Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 5 | #include "src/x64/assembler-x64.h" |
| 6 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 7 | #include <cstring> |
| 8 | |
| 9 | #if V8_TARGET_ARCH_X64 |
| 10 | |
| 11 | #if V8_LIBC_MSVCRT |
| 12 | #include <intrin.h> // _xgetbv() |
| 13 | #endif |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 14 | #if V8_OS_MACOSX |
| 15 | #include <sys/sysctl.h> |
| 16 | #endif |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 17 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 18 | #include "src/base/bits.h" |
| 19 | #include "src/macro-assembler.h" |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 20 | #include "src/v8.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 21 | |
| 22 | namespace v8 { |
| 23 | namespace internal { |
| 24 | |
| 25 | // ----------------------------------------------------------------------------- |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 26 | // Implementation of CpuFeatures |
| 27 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 28 | namespace { |
| 29 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 30 | #if !V8_LIBC_MSVCRT |
| 31 | |
| 32 | V8_INLINE uint64_t _xgetbv(unsigned int xcr) { |
| 33 | unsigned eax, edx; |
| 34 | // Check xgetbv; this uses a .byte sequence instead of the instruction |
| 35 | // directly because older assemblers do not include support for xgetbv and |
| 36 | // there is no easy way to conditionally compile based on the assembler |
| 37 | // used. |
| 38 | __asm__ volatile(".byte 0x0f, 0x01, 0xd0" : "=a"(eax), "=d"(edx) : "c"(xcr)); |
| 39 | return static_cast<uint64_t>(eax) | (static_cast<uint64_t>(edx) << 32); |
| 40 | } |
| 41 | |
| 42 | #define _XCR_XFEATURE_ENABLED_MASK 0 |
| 43 | |
| 44 | #endif // !V8_LIBC_MSVCRT |
| 45 | |
| 46 | |
| 47 | bool OSHasAVXSupport() { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 48 | #if V8_OS_MACOSX |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 49 | // Mac OS X up to 10.9 has a bug where AVX transitions were indeed being |
| 50 | // caused by ISRs, so we detect that here and disable AVX in that case. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 51 | char buffer[128]; |
| 52 | size_t buffer_size = arraysize(buffer); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 53 | int ctl_name[] = {CTL_KERN, KERN_OSRELEASE}; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 54 | if (sysctl(ctl_name, 2, buffer, &buffer_size, nullptr, 0) != 0) { |
| 55 | V8_Fatal(__FILE__, __LINE__, "V8 failed to get kernel version"); |
| 56 | } |
| 57 | // The buffer now contains a string of the form XX.YY.ZZ, where |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 58 | // XX is the major kernel version component. |
| 59 | char* period_pos = strchr(buffer, '.'); |
| 60 | DCHECK_NOT_NULL(period_pos); |
| 61 | *period_pos = '\0'; |
| 62 | long kernel_version_major = strtol(buffer, nullptr, 10); // NOLINT |
| 63 | if (kernel_version_major <= 13) return false; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 64 | #endif // V8_OS_MACOSX |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 65 | // Check whether OS claims to support AVX. |
| 66 | uint64_t feature_mask = _xgetbv(_XCR_XFEATURE_ENABLED_MASK); |
| 67 | return (feature_mask & 0x6) == 0x6; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | } // namespace |
| 71 | |
| 72 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 73 | void CpuFeatures::ProbeImpl(bool cross_compile) { |
| 74 | base::CPU cpu; |
| 75 | CHECK(cpu.has_sse2()); // SSE2 support is mandatory. |
| 76 | CHECK(cpu.has_cmov()); // CMOV support is mandatory. |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 77 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 78 | // Only use statically determined features for cross compile (snapshot). |
| 79 | if (cross_compile) return; |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 80 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 81 | if (cpu.has_sse41() && FLAG_enable_sse4_1) supported_ |= 1u << SSE4_1; |
| 82 | if (cpu.has_sse3() && FLAG_enable_sse3) supported_ |= 1u << SSE3; |
| 83 | // SAHF is not generally available in long mode. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 84 | if (cpu.has_sahf() && FLAG_enable_sahf) supported_ |= 1u << SAHF; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 85 | if (cpu.has_avx() && FLAG_enable_avx && cpu.has_osxsave() && |
| 86 | OSHasAVXSupport()) { |
| 87 | supported_ |= 1u << AVX; |
| 88 | } |
| 89 | if (cpu.has_fma3() && FLAG_enable_fma3 && cpu.has_osxsave() && |
| 90 | OSHasAVXSupport()) { |
| 91 | supported_ |= 1u << FMA3; |
| 92 | } |
| 93 | if (cpu.has_bmi1() && FLAG_enable_bmi1) supported_ |= 1u << BMI1; |
| 94 | if (cpu.has_bmi2() && FLAG_enable_bmi2) supported_ |= 1u << BMI2; |
| 95 | if (cpu.has_lzcnt() && FLAG_enable_lzcnt) supported_ |= 1u << LZCNT; |
| 96 | if (cpu.has_popcnt() && FLAG_enable_popcnt) supported_ |= 1u << POPCNT; |
| 97 | if (strcmp(FLAG_mcpu, "auto") == 0) { |
| 98 | if (cpu.is_atom()) supported_ |= 1u << ATOM; |
| 99 | } else if (strcmp(FLAG_mcpu, "atom") == 0) { |
| 100 | supported_ |= 1u << ATOM; |
| 101 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 105 | void CpuFeatures::PrintTarget() { } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 106 | void CpuFeatures::PrintFeatures() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 107 | printf( |
| 108 | "SSE3=%d SSE4_1=%d SAHF=%d AVX=%d FMA3=%d BMI1=%d BMI2=%d LZCNT=%d " |
| 109 | "POPCNT=%d ATOM=%d\n", |
| 110 | CpuFeatures::IsSupported(SSE3), CpuFeatures::IsSupported(SSE4_1), |
| 111 | CpuFeatures::IsSupported(SAHF), CpuFeatures::IsSupported(AVX), |
| 112 | CpuFeatures::IsSupported(FMA3), CpuFeatures::IsSupported(BMI1), |
| 113 | CpuFeatures::IsSupported(BMI2), CpuFeatures::IsSupported(LZCNT), |
| 114 | CpuFeatures::IsSupported(POPCNT), CpuFeatures::IsSupported(ATOM)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 115 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 116 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 117 | // ----------------------------------------------------------------------------- |
| 118 | // Implementation of RelocInfo |
| 119 | |
| 120 | Address RelocInfo::wasm_memory_reference() { |
| 121 | DCHECK(IsWasmMemoryReference(rmode_)); |
| 122 | return Memory::Address_at(pc_); |
| 123 | } |
| 124 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 125 | Address RelocInfo::wasm_global_reference() { |
| 126 | DCHECK(IsWasmGlobalReference(rmode_)); |
| 127 | return Memory::Address_at(pc_); |
| 128 | } |
| 129 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 130 | uint32_t RelocInfo::wasm_memory_size_reference() { |
| 131 | DCHECK(IsWasmMemorySizeReference(rmode_)); |
| 132 | return Memory::uint32_at(pc_); |
| 133 | } |
| 134 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 135 | void RelocInfo::unchecked_update_wasm_memory_reference( |
| 136 | Address address, ICacheFlushMode flush_mode) { |
| 137 | Memory::Address_at(pc_) = address; |
| 138 | } |
| 139 | |
| 140 | void RelocInfo::unchecked_update_wasm_memory_size(uint32_t size, |
| 141 | ICacheFlushMode flush_mode) { |
| 142 | Memory::uint32_at(pc_) = size; |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 143 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 144 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 145 | // ----------------------------------------------------------------------------- |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 146 | // Implementation of Operand |
| 147 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 148 | Operand::Operand(Register base, int32_t disp) : rex_(0) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 149 | len_ = 1; |
| 150 | if (base.is(rsp) || base.is(r12)) { |
| 151 | // SIB byte is needed to encode (rsp + offset) or (r12 + offset). |
| 152 | set_sib(times_1, rsp, base); |
| 153 | } |
| 154 | |
| 155 | if (disp == 0 && !base.is(rbp) && !base.is(r13)) { |
| 156 | set_modrm(0, base); |
| 157 | } else if (is_int8(disp)) { |
| 158 | set_modrm(1, base); |
| 159 | set_disp8(disp); |
| 160 | } else { |
| 161 | set_modrm(2, base); |
| 162 | set_disp32(disp); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | |
| 167 | Operand::Operand(Register base, |
| 168 | Register index, |
| 169 | ScaleFactor scale, |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 170 | int32_t disp) : rex_(0) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 171 | DCHECK(!index.is(rsp)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 172 | len_ = 1; |
| 173 | set_sib(scale, index, base); |
| 174 | if (disp == 0 && !base.is(rbp) && !base.is(r13)) { |
| 175 | // This call to set_modrm doesn't overwrite the REX.B (or REX.X) bits |
| 176 | // possibly set by set_sib. |
| 177 | set_modrm(0, rsp); |
| 178 | } else if (is_int8(disp)) { |
| 179 | set_modrm(1, rsp); |
| 180 | set_disp8(disp); |
| 181 | } else { |
| 182 | set_modrm(2, rsp); |
| 183 | set_disp32(disp); |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 188 | Operand::Operand(Register index, |
| 189 | ScaleFactor scale, |
| 190 | int32_t disp) : rex_(0) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 191 | DCHECK(!index.is(rsp)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 192 | len_ = 1; |
| 193 | set_modrm(0, rsp); |
| 194 | set_sib(scale, index, rbp); |
| 195 | set_disp32(disp); |
| 196 | } |
| 197 | |
| 198 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 199 | Operand::Operand(Label* label) : rex_(0), len_(1) { |
| 200 | DCHECK_NOT_NULL(label); |
| 201 | set_modrm(0, rbp); |
| 202 | set_disp64(reinterpret_cast<intptr_t>(label)); |
| 203 | } |
| 204 | |
| 205 | |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 206 | Operand::Operand(const Operand& operand, int32_t offset) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 207 | DCHECK(operand.len_ >= 1); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 208 | // Operand encodes REX ModR/M [SIB] [Disp]. |
| 209 | byte modrm = operand.buf_[0]; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 210 | DCHECK(modrm < 0xC0); // Disallow mode 3 (register target). |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 211 | bool has_sib = ((modrm & 0x07) == 0x04); |
| 212 | byte mode = modrm & 0xC0; |
| 213 | int disp_offset = has_sib ? 2 : 1; |
| 214 | int base_reg = (has_sib ? operand.buf_[1] : modrm) & 0x07; |
| 215 | // Mode 0 with rbp/r13 as ModR/M or SIB base register always has a 32-bit |
| 216 | // displacement. |
| 217 | bool is_baseless = (mode == 0) && (base_reg == 0x05); // No base or RIP base. |
| 218 | int32_t disp_value = 0; |
| 219 | if (mode == 0x80 || is_baseless) { |
| 220 | // Mode 2 or mode 0 with rbp/r13 as base: Word displacement. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 221 | disp_value = *bit_cast<const int32_t*>(&operand.buf_[disp_offset]); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 222 | } else if (mode == 0x40) { |
| 223 | // Mode 1: Byte displacement. |
| 224 | disp_value = static_cast<signed char>(operand.buf_[disp_offset]); |
| 225 | } |
| 226 | |
| 227 | // Write new operand with same registers, but with modified displacement. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 228 | DCHECK(offset >= 0 ? disp_value + offset > disp_value |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 229 | : disp_value + offset < disp_value); // No overflow. |
| 230 | disp_value += offset; |
| 231 | rex_ = operand.rex_; |
| 232 | if (!is_int8(disp_value) || is_baseless) { |
| 233 | // Need 32 bits of displacement, mode 2 or mode 1 with register rbp/r13. |
| 234 | buf_[0] = (modrm & 0x3f) | (is_baseless ? 0x00 : 0x80); |
| 235 | len_ = disp_offset + 4; |
| 236 | Memory::int32_at(&buf_[disp_offset]) = disp_value; |
| 237 | } else if (disp_value != 0 || (base_reg == 0x05)) { |
| 238 | // Need 8 bits of displacement. |
| 239 | buf_[0] = (modrm & 0x3f) | 0x40; // Mode 1. |
| 240 | len_ = disp_offset + 1; |
| 241 | buf_[disp_offset] = static_cast<byte>(disp_value); |
| 242 | } else { |
| 243 | // Need no displacement. |
| 244 | buf_[0] = (modrm & 0x3f); // Mode 0. |
| 245 | len_ = disp_offset; |
| 246 | } |
| 247 | if (has_sib) { |
| 248 | buf_[1] = operand.buf_[1]; |
| 249 | } |
| 250 | } |
| 251 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 252 | |
| 253 | bool Operand::AddressUsesRegister(Register reg) const { |
| 254 | int code = reg.code(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 255 | DCHECK((buf_[0] & 0xC0) != 0xC0); // Always a memory operand. |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 256 | // Start with only low three bits of base register. Initial decoding doesn't |
| 257 | // distinguish on the REX.B bit. |
| 258 | int base_code = buf_[0] & 0x07; |
| 259 | if (base_code == rsp.code()) { |
| 260 | // SIB byte present in buf_[1]. |
| 261 | // Check the index register from the SIB byte + REX.X prefix. |
| 262 | int index_code = ((buf_[1] >> 3) & 0x07) | ((rex_ & 0x02) << 2); |
| 263 | // Index code (including REX.X) of 0x04 (rsp) means no index register. |
| 264 | if (index_code != rsp.code() && index_code == code) return true; |
| 265 | // Add REX.B to get the full base register code. |
| 266 | base_code = (buf_[1] & 0x07) | ((rex_ & 0x01) << 3); |
| 267 | // A base register of 0x05 (rbp) with mod = 0 means no base register. |
| 268 | if (base_code == rbp.code() && ((buf_[0] & 0xC0) == 0)) return false; |
| 269 | return code == base_code; |
| 270 | } else { |
| 271 | // A base register with low bits of 0x05 (rbp or r13) and mod = 0 means |
| 272 | // no base register. |
| 273 | if (base_code == rbp.code() && ((buf_[0] & 0xC0) == 0)) return false; |
| 274 | base_code |= ((rex_ & 0x01) << 3); |
| 275 | return code == base_code; |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 280 | // ----------------------------------------------------------------------------- |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 281 | // Implementation of Assembler. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 282 | |
| 283 | #ifdef GENERATED_CODE_COVERAGE |
| 284 | static void InitCoverageLog(); |
| 285 | #endif |
| 286 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 287 | Assembler::Assembler(Isolate* isolate, void* buffer, int buffer_size) |
| 288 | : AssemblerBase(isolate, buffer, buffer_size), |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 289 | code_targets_(100), |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 290 | positions_recorder_(this) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 291 | // Clear the buffer in debug mode unless it was provided by the |
| 292 | // caller in which case we can't be sure it's okay to overwrite |
| 293 | // existing code in it. |
| 294 | #ifdef DEBUG |
| 295 | if (own_buffer_) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 296 | memset(buffer_, 0xCC, buffer_size_); // int3 |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 297 | } |
| 298 | #endif |
| 299 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 300 | reloc_info_writer.Reposition(buffer_ + buffer_size_, pc_); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 301 | |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 302 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 303 | #ifdef GENERATED_CODE_COVERAGE |
| 304 | InitCoverageLog(); |
| 305 | #endif |
| 306 | } |
| 307 | |
| 308 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 309 | void Assembler::GetCode(CodeDesc* desc) { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 310 | // Finalize code (at this point overflow() may be true, but the gap ensures |
| 311 | // that we are still not overlapping instructions and relocation info). |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 312 | reloc_info_writer.Finish(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 313 | DCHECK(pc_ <= reloc_info_writer.pos()); // No overlap. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 314 | // Set up code descriptor. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 315 | desc->buffer = buffer_; |
| 316 | desc->buffer_size = buffer_size_; |
| 317 | desc->instr_size = pc_offset(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 318 | DCHECK(desc->instr_size > 0); // Zero-size code objects upset the system. |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 319 | desc->reloc_size = |
| 320 | static_cast<int>((buffer_ + buffer_size_) - reloc_info_writer.pos()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 321 | desc->origin = this; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 322 | desc->constant_pool_size = 0; |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 323 | desc->unwinding_info_size = 0; |
| 324 | desc->unwinding_info = nullptr; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | |
| 328 | void Assembler::Align(int m) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 329 | DCHECK(base::bits::IsPowerOfTwo32(m)); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 330 | int delta = (m - (pc_offset() & (m - 1))) & (m - 1); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 331 | Nop(delta); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 335 | void Assembler::CodeTargetAlign() { |
| 336 | Align(16); // Preferred alignment of jump targets on x64. |
| 337 | } |
| 338 | |
| 339 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 340 | bool Assembler::IsNop(Address addr) { |
| 341 | Address a = addr; |
| 342 | while (*a == 0x66) a++; |
| 343 | if (*a == 0x90) return true; |
| 344 | if (a[0] == 0xf && a[1] == 0x1f) return true; |
| 345 | return false; |
| 346 | } |
| 347 | |
| 348 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 349 | void Assembler::bind_to(Label* L, int pos) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 350 | DCHECK(!L->is_bound()); // Label may only be bound once. |
| 351 | DCHECK(0 <= pos && pos <= pc_offset()); // Position must be valid. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 352 | if (L->is_linked()) { |
| 353 | int current = L->pos(); |
| 354 | int next = long_at(current); |
| 355 | while (next != current) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 356 | if (current >= 4 && long_at(current - 4) == 0) { |
| 357 | // Absolute address. |
| 358 | intptr_t imm64 = reinterpret_cast<intptr_t>(buffer_ + pos); |
| 359 | *reinterpret_cast<intptr_t*>(addr_at(current - 4)) = imm64; |
| 360 | internal_reference_positions_.push_back(current - 4); |
| 361 | } else { |
| 362 | // Relative address, relative to point after address. |
| 363 | int imm32 = pos - (current + sizeof(int32_t)); |
| 364 | long_at_put(current, imm32); |
| 365 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 366 | current = next; |
| 367 | next = long_at(next); |
| 368 | } |
| 369 | // Fix up last fixup on linked list. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 370 | if (current >= 4 && long_at(current - 4) == 0) { |
| 371 | // Absolute address. |
| 372 | intptr_t imm64 = reinterpret_cast<intptr_t>(buffer_ + pos); |
| 373 | *reinterpret_cast<intptr_t*>(addr_at(current - 4)) = imm64; |
| 374 | internal_reference_positions_.push_back(current - 4); |
| 375 | } else { |
| 376 | // Relative address, relative to point after address. |
| 377 | int imm32 = pos - (current + sizeof(int32_t)); |
| 378 | long_at_put(current, imm32); |
| 379 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 380 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 381 | while (L->is_near_linked()) { |
| 382 | int fixup_pos = L->near_link_pos(); |
| 383 | int offset_to_next = |
| 384 | static_cast<int>(*reinterpret_cast<int8_t*>(addr_at(fixup_pos))); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 385 | DCHECK(offset_to_next <= 0); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 386 | int disp = pos - (fixup_pos + sizeof(int8_t)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 387 | CHECK(is_int8(disp)); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 388 | set_byte_at(fixup_pos, disp); |
| 389 | if (offset_to_next < 0) { |
| 390 | L->link_to(fixup_pos + offset_to_next, Label::kNear); |
| 391 | } else { |
| 392 | L->UnuseNear(); |
| 393 | } |
| 394 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 395 | L->bind_to(pos); |
| 396 | } |
| 397 | |
| 398 | |
| 399 | void Assembler::bind(Label* L) { |
| 400 | bind_to(L, pc_offset()); |
| 401 | } |
| 402 | |
| 403 | |
| 404 | void Assembler::GrowBuffer() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 405 | DCHECK(buffer_overflow()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 406 | if (!own_buffer_) FATAL("external code buffer is too small"); |
| 407 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 408 | // Compute new buffer size. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 409 | CodeDesc desc; // the new buffer |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 410 | desc.buffer_size = 2 * buffer_size_; |
| 411 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 412 | // Some internal data structures overflow for very large buffers, |
| 413 | // they must ensure that kMaximalBufferSize is not too large. |
| 414 | if ((desc.buffer_size > kMaximalBufferSize) || |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 415 | (desc.buffer_size > isolate()->heap()->MaxOldGenerationSize())) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 416 | V8::FatalProcessOutOfMemory("Assembler::GrowBuffer"); |
| 417 | } |
| 418 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 419 | // Set up new buffer. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 420 | desc.buffer = NewArray<byte>(desc.buffer_size); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 421 | desc.origin = this; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 422 | desc.instr_size = pc_offset(); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 423 | desc.reloc_size = |
| 424 | static_cast<int>((buffer_ + buffer_size_) - (reloc_info_writer.pos())); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 425 | |
| 426 | // Clear the buffer in debug mode. Use 'int3' instructions to make |
| 427 | // sure to get into problems if we ever run uninitialized code. |
| 428 | #ifdef DEBUG |
| 429 | memset(desc.buffer, 0xCC, desc.buffer_size); |
| 430 | #endif |
| 431 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 432 | // Copy the data. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 433 | intptr_t pc_delta = desc.buffer - buffer_; |
| 434 | intptr_t rc_delta = (desc.buffer + desc.buffer_size) - |
| 435 | (buffer_ + buffer_size_); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 436 | MemMove(desc.buffer, buffer_, desc.instr_size); |
| 437 | MemMove(rc_delta + reloc_info_writer.pos(), reloc_info_writer.pos(), |
| 438 | desc.reloc_size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 439 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 440 | // Switch buffers. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 441 | DeleteArray(buffer_); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 442 | buffer_ = desc.buffer; |
| 443 | buffer_size_ = desc.buffer_size; |
| 444 | pc_ += pc_delta; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 445 | reloc_info_writer.Reposition(reloc_info_writer.pos() + rc_delta, |
| 446 | reloc_info_writer.last_pc() + pc_delta); |
| 447 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 448 | // Relocate internal references. |
| 449 | for (auto pos : internal_reference_positions_) { |
| 450 | intptr_t* p = reinterpret_cast<intptr_t*>(buffer_ + pos); |
| 451 | *p += pc_delta; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 452 | } |
| 453 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 454 | DCHECK(!buffer_overflow()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 455 | } |
| 456 | |
| 457 | |
| 458 | void Assembler::emit_operand(int code, const Operand& adr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 459 | DCHECK(is_uint3(code)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 460 | const unsigned length = adr.len_; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 461 | DCHECK(length > 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 462 | |
| 463 | // Emit updated ModR/M byte containing the given register. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 464 | DCHECK((adr.buf_[0] & 0x38) == 0); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 465 | *pc_++ = adr.buf_[0] | code << 3; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 466 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 467 | // Recognize RIP relative addressing. |
| 468 | if (adr.buf_[0] == 5) { |
| 469 | DCHECK_EQ(9u, length); |
| 470 | Label* label = *bit_cast<Label* const*>(&adr.buf_[1]); |
| 471 | if (label->is_bound()) { |
| 472 | int offset = label->pos() - pc_offset() - sizeof(int32_t); |
| 473 | DCHECK_GE(0, offset); |
| 474 | emitl(offset); |
| 475 | } else if (label->is_linked()) { |
| 476 | emitl(label->pos()); |
| 477 | label->link_to(pc_offset() - sizeof(int32_t)); |
| 478 | } else { |
| 479 | DCHECK(label->is_unused()); |
| 480 | int32_t current = pc_offset(); |
| 481 | emitl(current); |
| 482 | label->link_to(current); |
| 483 | } |
| 484 | } else { |
| 485 | // Emit the rest of the encoded operand. |
| 486 | for (unsigned i = 1; i < length; i++) *pc_++ = adr.buf_[i]; |
| 487 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 488 | } |
| 489 | |
| 490 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 491 | // Assembler Instruction implementations. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 492 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 493 | void Assembler::arithmetic_op(byte opcode, |
| 494 | Register reg, |
| 495 | const Operand& op, |
| 496 | int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 497 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 498 | emit_rex(reg, op, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 499 | emit(opcode); |
| 500 | emit_operand(reg, op); |
| 501 | } |
| 502 | |
| 503 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 504 | void Assembler::arithmetic_op(byte opcode, |
| 505 | Register reg, |
| 506 | Register rm_reg, |
| 507 | int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 508 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 509 | DCHECK((opcode & 0xC6) == 2); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 510 | if (rm_reg.low_bits() == 4) { // Forces SIB byte. |
| 511 | // Swap reg and rm_reg and change opcode operand order. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 512 | emit_rex(rm_reg, reg, size); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 513 | emit(opcode ^ 0x02); |
| 514 | emit_modrm(rm_reg, reg); |
| 515 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 516 | emit_rex(reg, rm_reg, size); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 517 | emit(opcode); |
| 518 | emit_modrm(reg, rm_reg); |
| 519 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 520 | } |
| 521 | |
| 522 | |
| 523 | void Assembler::arithmetic_op_16(byte opcode, Register reg, Register rm_reg) { |
| 524 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 525 | DCHECK((opcode & 0xC6) == 2); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 526 | if (rm_reg.low_bits() == 4) { // Forces SIB byte. |
| 527 | // Swap reg and rm_reg and change opcode operand order. |
| 528 | emit(0x66); |
| 529 | emit_optional_rex_32(rm_reg, reg); |
| 530 | emit(opcode ^ 0x02); |
| 531 | emit_modrm(rm_reg, reg); |
| 532 | } else { |
| 533 | emit(0x66); |
| 534 | emit_optional_rex_32(reg, rm_reg); |
| 535 | emit(opcode); |
| 536 | emit_modrm(reg, rm_reg); |
| 537 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 538 | } |
| 539 | |
| 540 | |
| 541 | void Assembler::arithmetic_op_16(byte opcode, |
| 542 | Register reg, |
| 543 | const Operand& rm_reg) { |
| 544 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 545 | emit(0x66); |
| 546 | emit_optional_rex_32(reg, rm_reg); |
| 547 | emit(opcode); |
| 548 | emit_operand(reg, rm_reg); |
| 549 | } |
| 550 | |
| 551 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 552 | void Assembler::arithmetic_op_8(byte opcode, Register reg, const Operand& op) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 553 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 554 | if (!reg.is_byte_register()) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 555 | emit_rex_32(reg, op); |
| 556 | } else { |
| 557 | emit_optional_rex_32(reg, op); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 558 | } |
| 559 | emit(opcode); |
| 560 | emit_operand(reg, op); |
| 561 | } |
| 562 | |
| 563 | |
| 564 | void Assembler::arithmetic_op_8(byte opcode, Register reg, Register rm_reg) { |
| 565 | EnsureSpace ensure_space(this); |
| 566 | DCHECK((opcode & 0xC6) == 2); |
| 567 | if (rm_reg.low_bits() == 4) { // Forces SIB byte. |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 568 | // Swap reg and rm_reg and change opcode operand order. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 569 | if (!rm_reg.is_byte_register() || !reg.is_byte_register()) { |
| 570 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 571 | emit_rex_32(rm_reg, reg); |
| 572 | } |
| 573 | emit(opcode ^ 0x02); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 574 | emit_modrm(rm_reg, reg); |
| 575 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 576 | if (!reg.is_byte_register() || !rm_reg.is_byte_register()) { |
| 577 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 578 | emit_rex_32(reg, rm_reg); |
| 579 | } |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 580 | emit(opcode); |
| 581 | emit_modrm(reg, rm_reg); |
| 582 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 583 | } |
| 584 | |
| 585 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 586 | void Assembler::immediate_arithmetic_op(byte subcode, |
| 587 | Register dst, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 588 | Immediate src, |
| 589 | int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 590 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 591 | emit_rex(dst, size); |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 592 | if (is_int8(src.value_) && RelocInfo::IsNone(src.rmode_)) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 593 | emit(0x83); |
| 594 | emit_modrm(subcode, dst); |
| 595 | emit(src.value_); |
| 596 | } else if (dst.is(rax)) { |
| 597 | emit(0x05 | (subcode << 3)); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 598 | emit(src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 599 | } else { |
| 600 | emit(0x81); |
| 601 | emit_modrm(subcode, dst); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 602 | emit(src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 603 | } |
| 604 | } |
| 605 | |
| 606 | void Assembler::immediate_arithmetic_op(byte subcode, |
| 607 | const Operand& dst, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 608 | Immediate src, |
| 609 | int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 610 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 611 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 612 | if (is_int8(src.value_)) { |
| 613 | emit(0x83); |
| 614 | emit_operand(subcode, dst); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 615 | if (!RelocInfo::IsNone(src.rmode_)) { |
| 616 | RecordRelocInfo(src.rmode_); |
| 617 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 618 | emit(src.value_); |
| 619 | } else { |
| 620 | emit(0x81); |
| 621 | emit_operand(subcode, dst); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 622 | emit(src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 623 | } |
| 624 | } |
| 625 | |
| 626 | |
| 627 | void Assembler::immediate_arithmetic_op_16(byte subcode, |
| 628 | Register dst, |
| 629 | Immediate src) { |
| 630 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 631 | emit(0x66); // Operand size override prefix. |
| 632 | emit_optional_rex_32(dst); |
| 633 | if (is_int8(src.value_)) { |
| 634 | emit(0x83); |
| 635 | emit_modrm(subcode, dst); |
| 636 | emit(src.value_); |
| 637 | } else if (dst.is(rax)) { |
| 638 | emit(0x05 | (subcode << 3)); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 639 | emitw(src.value_); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 640 | } else { |
| 641 | emit(0x81); |
| 642 | emit_modrm(subcode, dst); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 643 | emitw(src.value_); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 644 | } |
| 645 | } |
| 646 | |
| 647 | |
| 648 | void Assembler::immediate_arithmetic_op_16(byte subcode, |
| 649 | const Operand& dst, |
| 650 | Immediate src) { |
| 651 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 652 | emit(0x66); // Operand size override prefix. |
| 653 | emit_optional_rex_32(dst); |
| 654 | if (is_int8(src.value_)) { |
| 655 | emit(0x83); |
| 656 | emit_operand(subcode, dst); |
| 657 | emit(src.value_); |
| 658 | } else { |
| 659 | emit(0x81); |
| 660 | emit_operand(subcode, dst); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 661 | emitw(src.value_); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 662 | } |
| 663 | } |
| 664 | |
| 665 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 666 | void Assembler::immediate_arithmetic_op_8(byte subcode, |
| 667 | const Operand& dst, |
| 668 | Immediate src) { |
| 669 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 670 | emit_optional_rex_32(dst); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 671 | DCHECK(is_int8(src.value_) || is_uint8(src.value_)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 672 | emit(0x80); |
| 673 | emit_operand(subcode, dst); |
| 674 | emit(src.value_); |
| 675 | } |
| 676 | |
| 677 | |
| 678 | void Assembler::immediate_arithmetic_op_8(byte subcode, |
| 679 | Register dst, |
| 680 | Immediate src) { |
| 681 | EnsureSpace ensure_space(this); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 682 | if (!dst.is_byte_register()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 683 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 684 | emit_rex_32(dst); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 685 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 686 | DCHECK(is_int8(src.value_) || is_uint8(src.value_)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 687 | emit(0x80); |
| 688 | emit_modrm(subcode, dst); |
| 689 | emit(src.value_); |
| 690 | } |
| 691 | |
| 692 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 693 | void Assembler::shift(Register dst, |
| 694 | Immediate shift_amount, |
| 695 | int subcode, |
| 696 | int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 697 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 698 | DCHECK(size == kInt64Size ? is_uint6(shift_amount.value_) |
| 699 | : is_uint5(shift_amount.value_)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 700 | if (shift_amount.value_ == 1) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 701 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 702 | emit(0xD1); |
| 703 | emit_modrm(subcode, dst); |
| 704 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 705 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 706 | emit(0xC1); |
| 707 | emit_modrm(subcode, dst); |
| 708 | emit(shift_amount.value_); |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 713 | void Assembler::shift(Operand dst, Immediate shift_amount, int subcode, |
| 714 | int size) { |
| 715 | EnsureSpace ensure_space(this); |
| 716 | DCHECK(size == kInt64Size ? is_uint6(shift_amount.value_) |
| 717 | : is_uint5(shift_amount.value_)); |
| 718 | if (shift_amount.value_ == 1) { |
| 719 | emit_rex(dst, size); |
| 720 | emit(0xD1); |
| 721 | emit_operand(subcode, dst); |
| 722 | } else { |
| 723 | emit_rex(dst, size); |
| 724 | emit(0xC1); |
| 725 | emit_operand(subcode, dst); |
| 726 | emit(shift_amount.value_); |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 731 | void Assembler::shift(Register dst, int subcode, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 732 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 733 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 734 | emit(0xD3); |
| 735 | emit_modrm(subcode, dst); |
| 736 | } |
| 737 | |
| 738 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 739 | void Assembler::shift(Operand dst, int subcode, int size) { |
| 740 | EnsureSpace ensure_space(this); |
| 741 | emit_rex(dst, size); |
| 742 | emit(0xD3); |
| 743 | emit_operand(subcode, dst); |
| 744 | } |
| 745 | |
| 746 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 747 | void Assembler::bt(const Operand& dst, Register src) { |
| 748 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 749 | emit_rex_64(src, dst); |
| 750 | emit(0x0F); |
| 751 | emit(0xA3); |
| 752 | emit_operand(src, dst); |
| 753 | } |
| 754 | |
| 755 | |
| 756 | void Assembler::bts(const Operand& dst, Register src) { |
| 757 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 758 | emit_rex_64(src, dst); |
| 759 | emit(0x0F); |
| 760 | emit(0xAB); |
| 761 | emit_operand(src, dst); |
| 762 | } |
| 763 | |
| 764 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 765 | void Assembler::bsrl(Register dst, Register src) { |
| 766 | EnsureSpace ensure_space(this); |
| 767 | emit_optional_rex_32(dst, src); |
| 768 | emit(0x0F); |
| 769 | emit(0xBD); |
| 770 | emit_modrm(dst, src); |
| 771 | } |
| 772 | |
| 773 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 774 | void Assembler::bsrl(Register dst, const Operand& src) { |
| 775 | EnsureSpace ensure_space(this); |
| 776 | emit_optional_rex_32(dst, src); |
| 777 | emit(0x0F); |
| 778 | emit(0xBD); |
| 779 | emit_operand(dst, src); |
| 780 | } |
| 781 | |
| 782 | |
| 783 | void Assembler::bsrq(Register dst, Register src) { |
| 784 | EnsureSpace ensure_space(this); |
| 785 | emit_rex_64(dst, src); |
| 786 | emit(0x0F); |
| 787 | emit(0xBD); |
| 788 | emit_modrm(dst, src); |
| 789 | } |
| 790 | |
| 791 | |
| 792 | void Assembler::bsrq(Register dst, const Operand& src) { |
| 793 | EnsureSpace ensure_space(this); |
| 794 | emit_rex_64(dst, src); |
| 795 | emit(0x0F); |
| 796 | emit(0xBD); |
| 797 | emit_operand(dst, src); |
| 798 | } |
| 799 | |
| 800 | |
| 801 | void Assembler::bsfl(Register dst, Register src) { |
| 802 | EnsureSpace ensure_space(this); |
| 803 | emit_optional_rex_32(dst, src); |
| 804 | emit(0x0F); |
| 805 | emit(0xBC); |
| 806 | emit_modrm(dst, src); |
| 807 | } |
| 808 | |
| 809 | |
| 810 | void Assembler::bsfl(Register dst, const Operand& src) { |
| 811 | EnsureSpace ensure_space(this); |
| 812 | emit_optional_rex_32(dst, src); |
| 813 | emit(0x0F); |
| 814 | emit(0xBC); |
| 815 | emit_operand(dst, src); |
| 816 | } |
| 817 | |
| 818 | |
| 819 | void Assembler::bsfq(Register dst, Register src) { |
| 820 | EnsureSpace ensure_space(this); |
| 821 | emit_rex_64(dst, src); |
| 822 | emit(0x0F); |
| 823 | emit(0xBC); |
| 824 | emit_modrm(dst, src); |
| 825 | } |
| 826 | |
| 827 | |
| 828 | void Assembler::bsfq(Register dst, const Operand& src) { |
| 829 | EnsureSpace ensure_space(this); |
| 830 | emit_rex_64(dst, src); |
| 831 | emit(0x0F); |
| 832 | emit(0xBC); |
| 833 | emit_operand(dst, src); |
| 834 | } |
| 835 | |
| 836 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 837 | void Assembler::call(Label* L) { |
| 838 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 839 | // 1110 1000 #32-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 840 | emit(0xE8); |
| 841 | if (L->is_bound()) { |
| 842 | int offset = L->pos() - pc_offset() - sizeof(int32_t); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 843 | DCHECK(offset <= 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 844 | emitl(offset); |
| 845 | } else if (L->is_linked()) { |
| 846 | emitl(L->pos()); |
| 847 | L->link_to(pc_offset() - sizeof(int32_t)); |
| 848 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 849 | DCHECK(L->is_unused()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 850 | int32_t current = pc_offset(); |
| 851 | emitl(current); |
| 852 | L->link_to(current); |
| 853 | } |
| 854 | } |
| 855 | |
| 856 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 857 | void Assembler::call(Address entry, RelocInfo::Mode rmode) { |
| 858 | DCHECK(RelocInfo::IsRuntimeEntry(rmode)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 859 | EnsureSpace ensure_space(this); |
| 860 | // 1110 1000 #32-bit disp. |
| 861 | emit(0xE8); |
| 862 | emit_runtime_entry(entry, rmode); |
| 863 | } |
| 864 | |
| 865 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 866 | void Assembler::call(Handle<Code> target, |
| 867 | RelocInfo::Mode rmode, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 868 | TypeFeedbackId ast_id) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 869 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 870 | // 1110 1000 #32-bit disp. |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 871 | emit(0xE8); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 872 | emit_code_target(target, rmode, ast_id); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 873 | } |
| 874 | |
| 875 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 876 | void Assembler::call(Register adr) { |
| 877 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 878 | // Opcode: FF /2 r64. |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 879 | emit_optional_rex_32(adr); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 880 | emit(0xFF); |
| 881 | emit_modrm(0x2, adr); |
| 882 | } |
| 883 | |
| 884 | |
| 885 | void Assembler::call(const Operand& op) { |
| 886 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 887 | // Opcode: FF /2 m64. |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 888 | emit_optional_rex_32(op); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 889 | emit(0xFF); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 890 | emit_operand(0x2, op); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 891 | } |
| 892 | |
| 893 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 894 | // Calls directly to the given address using a relative offset. |
| 895 | // Should only ever be used in Code objects for calls within the |
| 896 | // same Code object. Should not be used when generating new code (use labels), |
| 897 | // but only when patching existing code. |
| 898 | void Assembler::call(Address target) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 899 | EnsureSpace ensure_space(this); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 900 | // 1110 1000 #32-bit disp. |
| 901 | emit(0xE8); |
| 902 | Address source = pc_ + 4; |
| 903 | intptr_t displacement = target - source; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 904 | DCHECK(is_int32(displacement)); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 905 | emitl(static_cast<int32_t>(displacement)); |
| 906 | } |
| 907 | |
| 908 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 909 | void Assembler::clc() { |
| 910 | EnsureSpace ensure_space(this); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 911 | emit(0xF8); |
| 912 | } |
| 913 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 914 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 915 | void Assembler::cld() { |
| 916 | EnsureSpace ensure_space(this); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 917 | emit(0xFC); |
| 918 | } |
| 919 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 920 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 921 | void Assembler::cdq() { |
| 922 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 923 | emit(0x99); |
| 924 | } |
| 925 | |
| 926 | |
| 927 | void Assembler::cmovq(Condition cc, Register dst, Register src) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 928 | if (cc == always) { |
| 929 | movq(dst, src); |
| 930 | } else if (cc == never) { |
| 931 | return; |
| 932 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 933 | // No need to check CpuInfo for CMOV support, it's a required part of the |
| 934 | // 64-bit architecture. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 935 | DCHECK(cc >= 0); // Use mov for unconditional moves. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 936 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 937 | // Opcode: REX.W 0f 40 + cc /r. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 938 | emit_rex_64(dst, src); |
| 939 | emit(0x0f); |
| 940 | emit(0x40 + cc); |
| 941 | emit_modrm(dst, src); |
| 942 | } |
| 943 | |
| 944 | |
| 945 | void Assembler::cmovq(Condition cc, Register dst, const Operand& src) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 946 | if (cc == always) { |
| 947 | movq(dst, src); |
| 948 | } else if (cc == never) { |
| 949 | return; |
| 950 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 951 | DCHECK(cc >= 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 952 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 953 | // Opcode: REX.W 0f 40 + cc /r. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 954 | emit_rex_64(dst, src); |
| 955 | emit(0x0f); |
| 956 | emit(0x40 + cc); |
| 957 | emit_operand(dst, src); |
| 958 | } |
| 959 | |
| 960 | |
| 961 | void Assembler::cmovl(Condition cc, Register dst, Register src) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 962 | if (cc == always) { |
| 963 | movl(dst, src); |
| 964 | } else if (cc == never) { |
| 965 | return; |
| 966 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 967 | DCHECK(cc >= 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 968 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 969 | // Opcode: 0f 40 + cc /r. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 970 | emit_optional_rex_32(dst, src); |
| 971 | emit(0x0f); |
| 972 | emit(0x40 + cc); |
| 973 | emit_modrm(dst, src); |
| 974 | } |
| 975 | |
| 976 | |
| 977 | void Assembler::cmovl(Condition cc, Register dst, const Operand& src) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 978 | if (cc == always) { |
| 979 | movl(dst, src); |
| 980 | } else if (cc == never) { |
| 981 | return; |
| 982 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 983 | DCHECK(cc >= 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 984 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 985 | // Opcode: 0f 40 + cc /r. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 986 | emit_optional_rex_32(dst, src); |
| 987 | emit(0x0f); |
| 988 | emit(0x40 + cc); |
| 989 | emit_operand(dst, src); |
| 990 | } |
| 991 | |
| 992 | |
| 993 | void Assembler::cmpb_al(Immediate imm8) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 994 | DCHECK(is_int8(imm8.value_) || is_uint8(imm8.value_)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 995 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 996 | emit(0x3c); |
| 997 | emit(imm8.value_); |
| 998 | } |
| 999 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1000 | void Assembler::lock() { |
| 1001 | EnsureSpace ensure_space(this); |
| 1002 | emit(0xf0); |
| 1003 | } |
| 1004 | |
| 1005 | void Assembler::cmpxchgb(const Operand& dst, Register src) { |
| 1006 | EnsureSpace ensure_space(this); |
| 1007 | if (!src.is_byte_register()) { |
| 1008 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 1009 | emit_rex_32(src, dst); |
| 1010 | } else { |
| 1011 | emit_optional_rex_32(src, dst); |
| 1012 | } |
| 1013 | emit(0x0f); |
| 1014 | emit(0xb0); |
| 1015 | emit_operand(src, dst); |
| 1016 | } |
| 1017 | |
| 1018 | void Assembler::cmpxchgw(const Operand& dst, Register src) { |
| 1019 | EnsureSpace ensure_space(this); |
| 1020 | emit(0x66); |
| 1021 | emit_optional_rex_32(src, dst); |
| 1022 | emit(0x0f); |
| 1023 | emit(0xb1); |
| 1024 | emit_operand(src, dst); |
| 1025 | } |
| 1026 | |
| 1027 | void Assembler::emit_cmpxchg(const Operand& dst, Register src, int size) { |
| 1028 | EnsureSpace ensure_space(this); |
| 1029 | emit_rex(src, dst, size); |
| 1030 | emit(0x0f); |
| 1031 | emit(0xb1); |
| 1032 | emit_operand(src, dst); |
| 1033 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1034 | |
| 1035 | void Assembler::cpuid() { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1036 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1037 | emit(0x0F); |
| 1038 | emit(0xA2); |
| 1039 | } |
| 1040 | |
| 1041 | |
| 1042 | void Assembler::cqo() { |
| 1043 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1044 | emit_rex_64(); |
| 1045 | emit(0x99); |
| 1046 | } |
| 1047 | |
| 1048 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1049 | void Assembler::emit_dec(Register dst, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1050 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1051 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1052 | emit(0xFF); |
| 1053 | emit_modrm(0x1, dst); |
| 1054 | } |
| 1055 | |
| 1056 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1057 | void Assembler::emit_dec(const Operand& dst, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1058 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1059 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1060 | emit(0xFF); |
| 1061 | emit_operand(1, dst); |
| 1062 | } |
| 1063 | |
| 1064 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1065 | void Assembler::decb(Register dst) { |
| 1066 | EnsureSpace ensure_space(this); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1067 | if (!dst.is_byte_register()) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1068 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 1069 | emit_rex_32(dst); |
| 1070 | } |
| 1071 | emit(0xFE); |
| 1072 | emit_modrm(0x1, dst); |
| 1073 | } |
| 1074 | |
| 1075 | |
| 1076 | void Assembler::decb(const Operand& dst) { |
| 1077 | EnsureSpace ensure_space(this); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1078 | emit_optional_rex_32(dst); |
| 1079 | emit(0xFE); |
| 1080 | emit_operand(1, dst); |
| 1081 | } |
| 1082 | |
| 1083 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1084 | void Assembler::enter(Immediate size) { |
| 1085 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1086 | emit(0xC8); |
| 1087 | emitw(size.value_); // 16 bit operand, always. |
| 1088 | emit(0); |
| 1089 | } |
| 1090 | |
| 1091 | |
| 1092 | void Assembler::hlt() { |
| 1093 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1094 | emit(0xF4); |
| 1095 | } |
| 1096 | |
| 1097 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1098 | void Assembler::emit_idiv(Register src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1099 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1100 | emit_rex(src, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1101 | emit(0xF7); |
| 1102 | emit_modrm(0x7, src); |
| 1103 | } |
| 1104 | |
| 1105 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1106 | void Assembler::emit_div(Register src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1107 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1108 | emit_rex(src, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1109 | emit(0xF7); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1110 | emit_modrm(0x6, src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1111 | } |
| 1112 | |
| 1113 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1114 | void Assembler::emit_imul(Register src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1115 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1116 | emit_rex(src, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1117 | emit(0xF7); |
| 1118 | emit_modrm(0x5, src); |
| 1119 | } |
| 1120 | |
| 1121 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1122 | void Assembler::emit_imul(const Operand& src, int size) { |
| 1123 | EnsureSpace ensure_space(this); |
| 1124 | emit_rex(src, size); |
| 1125 | emit(0xF7); |
| 1126 | emit_operand(0x5, src); |
| 1127 | } |
| 1128 | |
| 1129 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1130 | void Assembler::emit_imul(Register dst, Register src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1131 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1132 | emit_rex(dst, src, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1133 | emit(0x0F); |
| 1134 | emit(0xAF); |
| 1135 | emit_modrm(dst, src); |
| 1136 | } |
| 1137 | |
| 1138 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1139 | void Assembler::emit_imul(Register dst, const Operand& src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1140 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1141 | emit_rex(dst, src, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1142 | emit(0x0F); |
| 1143 | emit(0xAF); |
| 1144 | emit_operand(dst, src); |
| 1145 | } |
| 1146 | |
| 1147 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1148 | void Assembler::emit_imul(Register dst, Register src, Immediate imm, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1149 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1150 | emit_rex(dst, src, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1151 | if (is_int8(imm.value_)) { |
| 1152 | emit(0x6B); |
| 1153 | emit_modrm(dst, src); |
| 1154 | emit(imm.value_); |
| 1155 | } else { |
| 1156 | emit(0x69); |
| 1157 | emit_modrm(dst, src); |
| 1158 | emitl(imm.value_); |
| 1159 | } |
| 1160 | } |
| 1161 | |
| 1162 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1163 | void Assembler::emit_imul(Register dst, const Operand& src, Immediate imm, |
| 1164 | int size) { |
| 1165 | EnsureSpace ensure_space(this); |
| 1166 | emit_rex(dst, src, size); |
| 1167 | if (is_int8(imm.value_)) { |
| 1168 | emit(0x6B); |
| 1169 | emit_operand(dst, src); |
| 1170 | emit(imm.value_); |
| 1171 | } else { |
| 1172 | emit(0x69); |
| 1173 | emit_operand(dst, src); |
| 1174 | emitl(imm.value_); |
| 1175 | } |
| 1176 | } |
| 1177 | |
| 1178 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1179 | void Assembler::emit_inc(Register dst, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1180 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1181 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1182 | emit(0xFF); |
| 1183 | emit_modrm(0x0, dst); |
| 1184 | } |
| 1185 | |
| 1186 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1187 | void Assembler::emit_inc(const Operand& dst, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1188 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1189 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1190 | emit(0xFF); |
| 1191 | emit_operand(0, dst); |
| 1192 | } |
| 1193 | |
| 1194 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1195 | void Assembler::int3() { |
| 1196 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1197 | emit(0xCC); |
| 1198 | } |
| 1199 | |
| 1200 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1201 | void Assembler::j(Condition cc, Label* L, Label::Distance distance) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1202 | if (cc == always) { |
| 1203 | jmp(L); |
| 1204 | return; |
| 1205 | } else if (cc == never) { |
| 1206 | return; |
| 1207 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1208 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1209 | DCHECK(is_uint4(cc)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1210 | if (L->is_bound()) { |
| 1211 | const int short_size = 2; |
| 1212 | const int long_size = 6; |
| 1213 | int offs = L->pos() - pc_offset(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1214 | DCHECK(offs <= 0); |
| 1215 | // Determine whether we can use 1-byte offsets for backwards branches, |
| 1216 | // which have a max range of 128 bytes. |
| 1217 | |
| 1218 | // We also need to check predictable_code_size() flag here, because on x64, |
| 1219 | // when the full code generator recompiles code for debugging, some places |
| 1220 | // need to be padded out to a certain size. The debugger is keeping track of |
| 1221 | // how often it did this so that it can adjust return addresses on the |
| 1222 | // stack, but if the size of jump instructions can also change, that's not |
| 1223 | // enough and the calculated offsets would be incorrect. |
| 1224 | if (is_int8(offs - short_size) && !predictable_code_size()) { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1225 | // 0111 tttn #8-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1226 | emit(0x70 | cc); |
| 1227 | emit((offs - short_size) & 0xFF); |
| 1228 | } else { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1229 | // 0000 1111 1000 tttn #32-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1230 | emit(0x0F); |
| 1231 | emit(0x80 | cc); |
| 1232 | emitl(offs - long_size); |
| 1233 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1234 | } else if (distance == Label::kNear) { |
| 1235 | // 0111 tttn #8-bit disp |
| 1236 | emit(0x70 | cc); |
| 1237 | byte disp = 0x00; |
| 1238 | if (L->is_near_linked()) { |
| 1239 | int offset = L->near_link_pos() - pc_offset(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1240 | DCHECK(is_int8(offset)); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1241 | disp = static_cast<byte>(offset & 0xFF); |
| 1242 | } |
| 1243 | L->link_to(pc_offset(), Label::kNear); |
| 1244 | emit(disp); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1245 | } else if (L->is_linked()) { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1246 | // 0000 1111 1000 tttn #32-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1247 | emit(0x0F); |
| 1248 | emit(0x80 | cc); |
| 1249 | emitl(L->pos()); |
| 1250 | L->link_to(pc_offset() - sizeof(int32_t)); |
| 1251 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1252 | DCHECK(L->is_unused()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1253 | emit(0x0F); |
| 1254 | emit(0x80 | cc); |
| 1255 | int32_t current = pc_offset(); |
| 1256 | emitl(current); |
| 1257 | L->link_to(current); |
| 1258 | } |
| 1259 | } |
| 1260 | |
| 1261 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1262 | void Assembler::j(Condition cc, Address entry, RelocInfo::Mode rmode) { |
| 1263 | DCHECK(RelocInfo::IsRuntimeEntry(rmode)); |
| 1264 | EnsureSpace ensure_space(this); |
| 1265 | DCHECK(is_uint4(cc)); |
| 1266 | emit(0x0F); |
| 1267 | emit(0x80 | cc); |
| 1268 | emit_runtime_entry(entry, rmode); |
| 1269 | } |
| 1270 | |
| 1271 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1272 | void Assembler::j(Condition cc, |
| 1273 | Handle<Code> target, |
| 1274 | RelocInfo::Mode rmode) { |
| 1275 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1276 | DCHECK(is_uint4(cc)); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1277 | // 0000 1111 1000 tttn #32-bit disp. |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1278 | emit(0x0F); |
| 1279 | emit(0x80 | cc); |
| 1280 | emit_code_target(target, rmode); |
| 1281 | } |
| 1282 | |
| 1283 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1284 | void Assembler::jmp(Label* L, Label::Distance distance) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1285 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1286 | const int short_size = sizeof(int8_t); |
| 1287 | const int long_size = sizeof(int32_t); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1288 | if (L->is_bound()) { |
| 1289 | int offs = L->pos() - pc_offset() - 1; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1290 | DCHECK(offs <= 0); |
| 1291 | if (is_int8(offs - short_size) && !predictable_code_size()) { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1292 | // 1110 1011 #8-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1293 | emit(0xEB); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1294 | emit((offs - short_size) & 0xFF); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1295 | } else { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1296 | // 1110 1001 #32-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1297 | emit(0xE9); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1298 | emitl(offs - long_size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1299 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1300 | } else if (distance == Label::kNear) { |
| 1301 | emit(0xEB); |
| 1302 | byte disp = 0x00; |
| 1303 | if (L->is_near_linked()) { |
| 1304 | int offset = L->near_link_pos() - pc_offset(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1305 | DCHECK(is_int8(offset)); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1306 | disp = static_cast<byte>(offset & 0xFF); |
| 1307 | } |
| 1308 | L->link_to(pc_offset(), Label::kNear); |
| 1309 | emit(disp); |
| 1310 | } else if (L->is_linked()) { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1311 | // 1110 1001 #32-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1312 | emit(0xE9); |
| 1313 | emitl(L->pos()); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1314 | L->link_to(pc_offset() - long_size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1315 | } else { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1316 | // 1110 1001 #32-bit disp. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1317 | DCHECK(L->is_unused()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1318 | emit(0xE9); |
| 1319 | int32_t current = pc_offset(); |
| 1320 | emitl(current); |
| 1321 | L->link_to(current); |
| 1322 | } |
| 1323 | } |
| 1324 | |
| 1325 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1326 | void Assembler::jmp(Handle<Code> target, RelocInfo::Mode rmode) { |
| 1327 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1328 | // 1110 1001 #32-bit disp. |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1329 | emit(0xE9); |
| 1330 | emit_code_target(target, rmode); |
| 1331 | } |
| 1332 | |
| 1333 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1334 | void Assembler::jmp(Address entry, RelocInfo::Mode rmode) { |
| 1335 | DCHECK(RelocInfo::IsRuntimeEntry(rmode)); |
| 1336 | EnsureSpace ensure_space(this); |
| 1337 | DCHECK(RelocInfo::IsRuntimeEntry(rmode)); |
| 1338 | emit(0xE9); |
| 1339 | emit_runtime_entry(entry, rmode); |
| 1340 | } |
| 1341 | |
| 1342 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1343 | void Assembler::jmp(Register target) { |
| 1344 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1345 | // Opcode FF/4 r64. |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1346 | emit_optional_rex_32(target); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1347 | emit(0xFF); |
| 1348 | emit_modrm(0x4, target); |
| 1349 | } |
| 1350 | |
| 1351 | |
| 1352 | void Assembler::jmp(const Operand& src) { |
| 1353 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1354 | // Opcode FF/4 m64. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1355 | emit_optional_rex_32(src); |
| 1356 | emit(0xFF); |
| 1357 | emit_operand(0x4, src); |
| 1358 | } |
| 1359 | |
| 1360 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1361 | void Assembler::emit_lea(Register dst, const Operand& src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1362 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1363 | emit_rex(dst, src, size); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1364 | emit(0x8D); |
| 1365 | emit_operand(dst, src); |
| 1366 | } |
| 1367 | |
| 1368 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1369 | void Assembler::load_rax(void* value, RelocInfo::Mode mode) { |
| 1370 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1371 | if (kPointerSize == kInt64Size) { |
| 1372 | emit(0x48); // REX.W |
| 1373 | emit(0xA1); |
| 1374 | emitp(value, mode); |
| 1375 | } else { |
| 1376 | DCHECK(kPointerSize == kInt32Size); |
| 1377 | emit(0xA1); |
| 1378 | emitp(value, mode); |
| 1379 | // In 64-bit mode, need to zero extend the operand to 8 bytes. |
| 1380 | // See 2.2.1.4 in Intel64 and IA32 Architectures Software |
| 1381 | // Developer's Manual Volume 2. |
| 1382 | emitl(0); |
| 1383 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1384 | } |
| 1385 | |
| 1386 | |
| 1387 | void Assembler::load_rax(ExternalReference ref) { |
| 1388 | load_rax(ref.address(), RelocInfo::EXTERNAL_REFERENCE); |
| 1389 | } |
| 1390 | |
| 1391 | |
| 1392 | void Assembler::leave() { |
| 1393 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1394 | emit(0xC9); |
| 1395 | } |
| 1396 | |
| 1397 | |
| 1398 | void Assembler::movb(Register dst, const Operand& src) { |
| 1399 | EnsureSpace ensure_space(this); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1400 | if (!dst.is_byte_register()) { |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 1401 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 1402 | emit_rex_32(dst, src); |
| 1403 | } else { |
| 1404 | emit_optional_rex_32(dst, src); |
| 1405 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1406 | emit(0x8A); |
| 1407 | emit_operand(dst, src); |
| 1408 | } |
| 1409 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1410 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1411 | void Assembler::movb(Register dst, Immediate imm) { |
| 1412 | EnsureSpace ensure_space(this); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1413 | if (!dst.is_byte_register()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1414 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 1415 | emit_rex_32(dst); |
| 1416 | } |
| 1417 | emit(0xB0 + dst.low_bits()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1418 | emit(imm.value_); |
| 1419 | } |
| 1420 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1421 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1422 | void Assembler::movb(const Operand& dst, Register src) { |
| 1423 | EnsureSpace ensure_space(this); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1424 | if (!src.is_byte_register()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1425 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 1426 | emit_rex_32(src, dst); |
| 1427 | } else { |
| 1428 | emit_optional_rex_32(src, dst); |
| 1429 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1430 | emit(0x88); |
| 1431 | emit_operand(src, dst); |
| 1432 | } |
| 1433 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1434 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1435 | void Assembler::movb(const Operand& dst, Immediate imm) { |
| 1436 | EnsureSpace ensure_space(this); |
| 1437 | emit_optional_rex_32(dst); |
| 1438 | emit(0xC6); |
| 1439 | emit_operand(0x0, dst); |
| 1440 | emit(static_cast<byte>(imm.value_)); |
| 1441 | } |
| 1442 | |
| 1443 | |
| 1444 | void Assembler::movw(Register dst, const Operand& src) { |
| 1445 | EnsureSpace ensure_space(this); |
| 1446 | emit(0x66); |
| 1447 | emit_optional_rex_32(dst, src); |
| 1448 | emit(0x8B); |
| 1449 | emit_operand(dst, src); |
| 1450 | } |
| 1451 | |
| 1452 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1453 | void Assembler::movw(const Operand& dst, Register src) { |
| 1454 | EnsureSpace ensure_space(this); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1455 | emit(0x66); |
| 1456 | emit_optional_rex_32(src, dst); |
| 1457 | emit(0x89); |
| 1458 | emit_operand(src, dst); |
| 1459 | } |
| 1460 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 1461 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1462 | void Assembler::movw(const Operand& dst, Immediate imm) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1463 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1464 | emit(0x66); |
| 1465 | emit_optional_rex_32(dst); |
| 1466 | emit(0xC7); |
| 1467 | emit_operand(0x0, dst); |
| 1468 | emit(static_cast<byte>(imm.value_ & 0xff)); |
| 1469 | emit(static_cast<byte>(imm.value_ >> 8)); |
| 1470 | } |
| 1471 | |
| 1472 | |
| 1473 | void Assembler::emit_mov(Register dst, const Operand& src, int size) { |
| 1474 | EnsureSpace ensure_space(this); |
| 1475 | emit_rex(dst, src, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1476 | emit(0x8B); |
| 1477 | emit_operand(dst, src); |
| 1478 | } |
| 1479 | |
| 1480 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1481 | void Assembler::emit_mov(Register dst, Register src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1482 | EnsureSpace ensure_space(this); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 1483 | if (src.low_bits() == 4) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1484 | emit_rex(src, dst, size); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 1485 | emit(0x89); |
| 1486 | emit_modrm(src, dst); |
| 1487 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1488 | emit_rex(dst, src, size); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 1489 | emit(0x8B); |
| 1490 | emit_modrm(dst, src); |
| 1491 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1492 | } |
| 1493 | |
| 1494 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1495 | void Assembler::emit_mov(const Operand& dst, Register src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1496 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1497 | emit_rex(src, dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1498 | emit(0x89); |
| 1499 | emit_operand(src, dst); |
| 1500 | } |
| 1501 | |
| 1502 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1503 | void Assembler::emit_mov(Register dst, Immediate value, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1504 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1505 | emit_rex(dst, size); |
| 1506 | if (size == kInt64Size) { |
| 1507 | emit(0xC7); |
| 1508 | emit_modrm(0x0, dst); |
| 1509 | } else { |
| 1510 | DCHECK(size == kInt32Size); |
| 1511 | emit(0xB8 + dst.low_bits()); |
| 1512 | } |
| 1513 | emit(value); |
| 1514 | } |
| 1515 | |
| 1516 | |
| 1517 | void Assembler::emit_mov(const Operand& dst, Immediate value, int size) { |
| 1518 | EnsureSpace ensure_space(this); |
| 1519 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1520 | emit(0xC7); |
| 1521 | emit_operand(0x0, dst); |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 1522 | emit(value); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1523 | } |
| 1524 | |
| 1525 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1526 | void Assembler::movp(Register dst, void* value, RelocInfo::Mode rmode) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1527 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1528 | emit_rex(dst, kPointerSize); |
| 1529 | emit(0xB8 | dst.low_bits()); |
| 1530 | emitp(value, rmode); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1531 | } |
| 1532 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1533 | void Assembler::movq(Register dst, int64_t value, RelocInfo::Mode rmode) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1534 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1535 | emit_rex_64(dst); |
| 1536 | emit(0xB8 | dst.low_bits()); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1537 | if (!RelocInfo::IsNone(rmode)) { |
| 1538 | RecordRelocInfo(rmode, value); |
| 1539 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1540 | emitq(value); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1541 | } |
| 1542 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1543 | void Assembler::movq(Register dst, uint64_t value, RelocInfo::Mode rmode) { |
| 1544 | movq(dst, static_cast<int64_t>(value), rmode); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1545 | } |
| 1546 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1547 | // Loads the ip-relative location of the src label into the target location |
| 1548 | // (as a 32-bit offset sign extended to 64-bit). |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1549 | void Assembler::movl(const Operand& dst, Label* src) { |
| 1550 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1551 | emit_optional_rex_32(dst); |
| 1552 | emit(0xC7); |
| 1553 | emit_operand(0, dst); |
| 1554 | if (src->is_bound()) { |
| 1555 | int offset = src->pos() - pc_offset() - sizeof(int32_t); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1556 | DCHECK(offset <= 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1557 | emitl(offset); |
| 1558 | } else if (src->is_linked()) { |
| 1559 | emitl(src->pos()); |
| 1560 | src->link_to(pc_offset() - sizeof(int32_t)); |
| 1561 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1562 | DCHECK(src->is_unused()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1563 | int32_t current = pc_offset(); |
| 1564 | emitl(current); |
| 1565 | src->link_to(current); |
| 1566 | } |
| 1567 | } |
| 1568 | |
| 1569 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1570 | void Assembler::movsxbl(Register dst, Register src) { |
| 1571 | EnsureSpace ensure_space(this); |
| 1572 | if (!src.is_byte_register()) { |
| 1573 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 1574 | emit_rex_32(dst, src); |
| 1575 | } else { |
| 1576 | emit_optional_rex_32(dst, src); |
| 1577 | } |
| 1578 | emit(0x0F); |
| 1579 | emit(0xBE); |
| 1580 | emit_modrm(dst, src); |
| 1581 | } |
| 1582 | |
| 1583 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1584 | void Assembler::movsxbl(Register dst, const Operand& src) { |
| 1585 | EnsureSpace ensure_space(this); |
| 1586 | emit_optional_rex_32(dst, src); |
| 1587 | emit(0x0F); |
| 1588 | emit(0xBE); |
| 1589 | emit_operand(dst, src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1590 | } |
| 1591 | |
| 1592 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1593 | void Assembler::movsxbq(Register dst, const Operand& src) { |
| 1594 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1595 | emit_rex_64(dst, src); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1596 | emit(0x0F); |
| 1597 | emit(0xBE); |
| 1598 | emit_operand(dst, src); |
| 1599 | } |
| 1600 | |
| 1601 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1602 | void Assembler::movsxwl(Register dst, Register src) { |
| 1603 | EnsureSpace ensure_space(this); |
| 1604 | emit_optional_rex_32(dst, src); |
| 1605 | emit(0x0F); |
| 1606 | emit(0xBF); |
| 1607 | emit_modrm(dst, src); |
| 1608 | } |
| 1609 | |
| 1610 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1611 | void Assembler::movsxwl(Register dst, const Operand& src) { |
| 1612 | EnsureSpace ensure_space(this); |
| 1613 | emit_optional_rex_32(dst, src); |
| 1614 | emit(0x0F); |
| 1615 | emit(0xBF); |
| 1616 | emit_operand(dst, src); |
| 1617 | } |
| 1618 | |
| 1619 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1620 | void Assembler::movsxwq(Register dst, const Operand& src) { |
| 1621 | EnsureSpace ensure_space(this); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1622 | emit_rex_64(dst, src); |
| 1623 | emit(0x0F); |
| 1624 | emit(0xBF); |
| 1625 | emit_operand(dst, src); |
| 1626 | } |
| 1627 | |
| 1628 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1629 | void Assembler::movsxlq(Register dst, Register src) { |
| 1630 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1631 | emit_rex_64(dst, src); |
| 1632 | emit(0x63); |
| 1633 | emit_modrm(dst, src); |
| 1634 | } |
| 1635 | |
| 1636 | |
| 1637 | void Assembler::movsxlq(Register dst, const Operand& src) { |
| 1638 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1639 | emit_rex_64(dst, src); |
| 1640 | emit(0x63); |
| 1641 | emit_operand(dst, src); |
| 1642 | } |
| 1643 | |
| 1644 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1645 | void Assembler::emit_movzxb(Register dst, const Operand& src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1646 | EnsureSpace ensure_space(this); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1647 | // 32 bit operations zero the top 32 bits of 64 bit registers. Therefore |
| 1648 | // there is no need to make this a 64 bit operation. |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1649 | emit_optional_rex_32(dst, src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1650 | emit(0x0F); |
| 1651 | emit(0xB6); |
| 1652 | emit_operand(dst, src); |
| 1653 | } |
| 1654 | |
| 1655 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1656 | void Assembler::emit_movzxb(Register dst, Register src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1657 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1658 | // 32 bit operations zero the top 32 bits of 64 bit registers. Therefore |
| 1659 | // there is no need to make this a 64 bit operation. |
| 1660 | if (!src.is_byte_register()) { |
| 1661 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 1662 | emit_rex_32(dst, src); |
| 1663 | } else { |
| 1664 | emit_optional_rex_32(dst, src); |
| 1665 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1666 | emit(0x0F); |
| 1667 | emit(0xB6); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1668 | emit_modrm(dst, src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1669 | } |
| 1670 | |
| 1671 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1672 | void Assembler::emit_movzxw(Register dst, const Operand& src, int size) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1673 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1674 | // 32 bit operations zero the top 32 bits of 64 bit registers. Therefore |
| 1675 | // there is no need to make this a 64 bit operation. |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1676 | emit_optional_rex_32(dst, src); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1677 | emit(0x0F); |
| 1678 | emit(0xB7); |
| 1679 | emit_operand(dst, src); |
| 1680 | } |
| 1681 | |
| 1682 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1683 | void Assembler::emit_movzxw(Register dst, Register src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1684 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1685 | // 32 bit operations zero the top 32 bits of 64 bit registers. Therefore |
| 1686 | // there is no need to make this a 64 bit operation. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1687 | emit_optional_rex_32(dst, src); |
| 1688 | emit(0x0F); |
| 1689 | emit(0xB7); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1690 | emit_modrm(dst, src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1691 | } |
| 1692 | |
| 1693 | |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 1694 | void Assembler::repmovsb() { |
| 1695 | EnsureSpace ensure_space(this); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 1696 | emit(0xF3); |
| 1697 | emit(0xA4); |
| 1698 | } |
| 1699 | |
| 1700 | |
| 1701 | void Assembler::repmovsw() { |
| 1702 | EnsureSpace ensure_space(this); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 1703 | emit(0x66); // Operand size override. |
| 1704 | emit(0xF3); |
| 1705 | emit(0xA4); |
| 1706 | } |
| 1707 | |
| 1708 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1709 | void Assembler::emit_repmovs(int size) { |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 1710 | EnsureSpace ensure_space(this); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 1711 | emit(0xF3); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1712 | emit_rex(size); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 1713 | emit(0xA5); |
| 1714 | } |
| 1715 | |
| 1716 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1717 | void Assembler::mull(Register src) { |
| 1718 | EnsureSpace ensure_space(this); |
| 1719 | emit_optional_rex_32(src); |
| 1720 | emit(0xF7); |
| 1721 | emit_modrm(0x4, src); |
| 1722 | } |
| 1723 | |
| 1724 | |
| 1725 | void Assembler::mull(const Operand& src) { |
| 1726 | EnsureSpace ensure_space(this); |
| 1727 | emit_optional_rex_32(src); |
| 1728 | emit(0xF7); |
| 1729 | emit_operand(0x4, src); |
| 1730 | } |
| 1731 | |
| 1732 | |
| 1733 | void Assembler::mulq(Register src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1734 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1735 | emit_rex_64(src); |
| 1736 | emit(0xF7); |
| 1737 | emit_modrm(0x4, src); |
| 1738 | } |
| 1739 | |
| 1740 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1741 | void Assembler::emit_neg(Register dst, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1742 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1743 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1744 | emit(0xF7); |
| 1745 | emit_modrm(0x3, dst); |
| 1746 | } |
| 1747 | |
| 1748 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1749 | void Assembler::emit_neg(const Operand& dst, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1750 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1751 | emit_rex_64(dst); |
| 1752 | emit(0xF7); |
| 1753 | emit_operand(3, dst); |
| 1754 | } |
| 1755 | |
| 1756 | |
| 1757 | void Assembler::nop() { |
| 1758 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1759 | emit(0x90); |
| 1760 | } |
| 1761 | |
| 1762 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1763 | void Assembler::emit_not(Register dst, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1764 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1765 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1766 | emit(0xF7); |
| 1767 | emit_modrm(0x2, dst); |
| 1768 | } |
| 1769 | |
| 1770 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1771 | void Assembler::emit_not(const Operand& dst, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1772 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1773 | emit_rex(dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1774 | emit(0xF7); |
| 1775 | emit_operand(2, dst); |
| 1776 | } |
| 1777 | |
| 1778 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1779 | void Assembler::Nop(int n) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1780 | // The recommended muti-byte sequences of NOP instructions from the Intel 64 |
| 1781 | // and IA-32 Architectures Software Developer's Manual. |
| 1782 | // |
| 1783 | // Length Assembly Byte Sequence |
| 1784 | // 2 bytes 66 NOP 66 90H |
| 1785 | // 3 bytes NOP DWORD ptr [EAX] 0F 1F 00H |
| 1786 | // 4 bytes NOP DWORD ptr [EAX + 00H] 0F 1F 40 00H |
| 1787 | // 5 bytes NOP DWORD ptr [EAX + EAX*1 + 00H] 0F 1F 44 00 00H |
| 1788 | // 6 bytes 66 NOP DWORD ptr [EAX + EAX*1 + 00H] 66 0F 1F 44 00 00H |
| 1789 | // 7 bytes NOP DWORD ptr [EAX + 00000000H] 0F 1F 80 00 00 00 00H |
| 1790 | // 8 bytes NOP DWORD ptr [EAX + EAX*1 + 00000000H] 0F 1F 84 00 00 00 00 00H |
| 1791 | // 9 bytes 66 NOP DWORD ptr [EAX + EAX*1 + 66 0F 1F 84 00 00 00 00 |
| 1792 | // 00000000H] 00H |
| 1793 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1794 | EnsureSpace ensure_space(this); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1795 | while (n > 0) { |
| 1796 | switch (n) { |
| 1797 | case 2: |
| 1798 | emit(0x66); |
| 1799 | case 1: |
| 1800 | emit(0x90); |
| 1801 | return; |
| 1802 | case 3: |
| 1803 | emit(0x0f); |
| 1804 | emit(0x1f); |
| 1805 | emit(0x00); |
| 1806 | return; |
| 1807 | case 4: |
| 1808 | emit(0x0f); |
| 1809 | emit(0x1f); |
| 1810 | emit(0x40); |
| 1811 | emit(0x00); |
| 1812 | return; |
| 1813 | case 6: |
| 1814 | emit(0x66); |
| 1815 | case 5: |
| 1816 | emit(0x0f); |
| 1817 | emit(0x1f); |
| 1818 | emit(0x44); |
| 1819 | emit(0x00); |
| 1820 | emit(0x00); |
| 1821 | return; |
| 1822 | case 7: |
| 1823 | emit(0x0f); |
| 1824 | emit(0x1f); |
| 1825 | emit(0x80); |
| 1826 | emit(0x00); |
| 1827 | emit(0x00); |
| 1828 | emit(0x00); |
| 1829 | emit(0x00); |
| 1830 | return; |
| 1831 | default: |
| 1832 | case 11: |
| 1833 | emit(0x66); |
| 1834 | n--; |
| 1835 | case 10: |
| 1836 | emit(0x66); |
| 1837 | n--; |
| 1838 | case 9: |
| 1839 | emit(0x66); |
| 1840 | n--; |
| 1841 | case 8: |
| 1842 | emit(0x0f); |
| 1843 | emit(0x1f); |
| 1844 | emit(0x84); |
| 1845 | emit(0x00); |
| 1846 | emit(0x00); |
| 1847 | emit(0x00); |
| 1848 | emit(0x00); |
| 1849 | emit(0x00); |
| 1850 | n -= 8; |
| 1851 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1852 | } |
| 1853 | } |
| 1854 | |
| 1855 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1856 | void Assembler::popq(Register dst) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1857 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1858 | emit_optional_rex_32(dst); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1859 | emit(0x58 | dst.low_bits()); |
| 1860 | } |
| 1861 | |
| 1862 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1863 | void Assembler::popq(const Operand& dst) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1864 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1865 | emit_optional_rex_32(dst); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1866 | emit(0x8F); |
| 1867 | emit_operand(0, dst); |
| 1868 | } |
| 1869 | |
| 1870 | |
| 1871 | void Assembler::popfq() { |
| 1872 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1873 | emit(0x9D); |
| 1874 | } |
| 1875 | |
| 1876 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1877 | void Assembler::pushq(Register src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1878 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1879 | emit_optional_rex_32(src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1880 | emit(0x50 | src.low_bits()); |
| 1881 | } |
| 1882 | |
| 1883 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1884 | void Assembler::pushq(const Operand& src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1885 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 1886 | emit_optional_rex_32(src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1887 | emit(0xFF); |
| 1888 | emit_operand(6, src); |
| 1889 | } |
| 1890 | |
| 1891 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1892 | void Assembler::pushq(Immediate value) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1893 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1894 | if (is_int8(value.value_)) { |
| 1895 | emit(0x6A); |
| 1896 | emit(value.value_); // Emit low byte of value. |
| 1897 | } else { |
| 1898 | emit(0x68); |
| 1899 | emitl(value.value_); |
| 1900 | } |
| 1901 | } |
| 1902 | |
| 1903 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1904 | void Assembler::pushq_imm32(int32_t imm32) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1905 | EnsureSpace ensure_space(this); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1906 | emit(0x68); |
| 1907 | emitl(imm32); |
| 1908 | } |
| 1909 | |
| 1910 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1911 | void Assembler::pushfq() { |
| 1912 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1913 | emit(0x9C); |
| 1914 | } |
| 1915 | |
| 1916 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1917 | void Assembler::ret(int imm16) { |
| 1918 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1919 | DCHECK(is_uint16(imm16)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1920 | if (imm16 == 0) { |
| 1921 | emit(0xC3); |
| 1922 | } else { |
| 1923 | emit(0xC2); |
| 1924 | emit(imm16 & 0xFF); |
| 1925 | emit((imm16 >> 8) & 0xFF); |
| 1926 | } |
| 1927 | } |
| 1928 | |
| 1929 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1930 | void Assembler::ud2() { |
| 1931 | EnsureSpace ensure_space(this); |
| 1932 | emit(0x0F); |
| 1933 | emit(0x0B); |
| 1934 | } |
| 1935 | |
| 1936 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1937 | void Assembler::setcc(Condition cc, Register reg) { |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1938 | if (cc > last_condition) { |
| 1939 | movb(reg, Immediate(cc == always ? 1 : 0)); |
| 1940 | return; |
| 1941 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1942 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1943 | DCHECK(is_uint4(cc)); |
| 1944 | if (!reg.is_byte_register()) { |
| 1945 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1946 | emit_rex_32(reg); |
| 1947 | } |
| 1948 | emit(0x0F); |
| 1949 | emit(0x90 | cc); |
| 1950 | emit_modrm(0x0, reg); |
| 1951 | } |
| 1952 | |
| 1953 | |
| 1954 | void Assembler::shld(Register dst, Register src) { |
| 1955 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1956 | emit_rex_64(src, dst); |
| 1957 | emit(0x0F); |
| 1958 | emit(0xA5); |
| 1959 | emit_modrm(src, dst); |
| 1960 | } |
| 1961 | |
| 1962 | |
| 1963 | void Assembler::shrd(Register dst, Register src) { |
| 1964 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1965 | emit_rex_64(src, dst); |
| 1966 | emit(0x0F); |
| 1967 | emit(0xAD); |
| 1968 | emit_modrm(src, dst); |
| 1969 | } |
| 1970 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1971 | void Assembler::xchgb(Register reg, const Operand& op) { |
| 1972 | EnsureSpace ensure_space(this); |
| 1973 | if (!reg.is_byte_register()) { |
| 1974 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 1975 | emit_rex_32(reg, op); |
| 1976 | } else { |
| 1977 | emit_optional_rex_32(reg, op); |
| 1978 | } |
| 1979 | emit(0x86); |
| 1980 | emit_operand(reg, op); |
| 1981 | } |
| 1982 | |
| 1983 | void Assembler::xchgw(Register reg, const Operand& op) { |
| 1984 | EnsureSpace ensure_space(this); |
| 1985 | emit(0x66); |
| 1986 | emit_optional_rex_32(reg, op); |
| 1987 | emit(0x87); |
| 1988 | emit_operand(reg, op); |
| 1989 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1990 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1991 | void Assembler::emit_xchg(Register dst, Register src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1992 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1993 | if (src.is(rax) || dst.is(rax)) { // Single-byte encoding |
| 1994 | Register other = src.is(rax) ? dst : src; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1995 | emit_rex(other, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1996 | emit(0x90 | other.low_bits()); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 1997 | } else if (dst.low_bits() == 4) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1998 | emit_rex(dst, src, size); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 1999 | emit(0x87); |
| 2000 | emit_modrm(dst, src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2001 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2002 | emit_rex(src, dst, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2003 | emit(0x87); |
| 2004 | emit_modrm(src, dst); |
| 2005 | } |
| 2006 | } |
| 2007 | |
| 2008 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2009 | void Assembler::emit_xchg(Register dst, const Operand& src, int size) { |
| 2010 | EnsureSpace ensure_space(this); |
| 2011 | emit_rex(dst, src, size); |
| 2012 | emit(0x87); |
| 2013 | emit_operand(dst, src); |
| 2014 | } |
| 2015 | |
| 2016 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2017 | void Assembler::store_rax(void* dst, RelocInfo::Mode mode) { |
| 2018 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2019 | if (kPointerSize == kInt64Size) { |
| 2020 | emit(0x48); // REX.W |
| 2021 | emit(0xA3); |
| 2022 | emitp(dst, mode); |
| 2023 | } else { |
| 2024 | DCHECK(kPointerSize == kInt32Size); |
| 2025 | emit(0xA3); |
| 2026 | emitp(dst, mode); |
| 2027 | // In 64-bit mode, need to zero extend the operand to 8 bytes. |
| 2028 | // See 2.2.1.4 in Intel64 and IA32 Architectures Software |
| 2029 | // Developer's Manual Volume 2. |
| 2030 | emitl(0); |
| 2031 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2032 | } |
| 2033 | |
| 2034 | |
| 2035 | void Assembler::store_rax(ExternalReference ref) { |
| 2036 | store_rax(ref.address(), RelocInfo::EXTERNAL_REFERENCE); |
| 2037 | } |
| 2038 | |
| 2039 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2040 | void Assembler::testb(Register dst, Register src) { |
| 2041 | EnsureSpace ensure_space(this); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 2042 | if (src.low_bits() == 4) { |
| 2043 | emit_rex_32(src, dst); |
| 2044 | emit(0x84); |
| 2045 | emit_modrm(src, dst); |
| 2046 | } else { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2047 | if (!dst.is_byte_register() || !src.is_byte_register()) { |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 2048 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 2049 | emit_rex_32(dst, src); |
| 2050 | } |
| 2051 | emit(0x84); |
| 2052 | emit_modrm(dst, src); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2053 | } |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2054 | } |
| 2055 | |
| 2056 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2057 | void Assembler::testb(Register reg, Immediate mask) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2058 | DCHECK(is_int8(mask.value_) || is_uint8(mask.value_)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2059 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2060 | if (reg.is(rax)) { |
| 2061 | emit(0xA8); |
| 2062 | emit(mask.value_); // Low byte emitted. |
| 2063 | } else { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2064 | if (!reg.is_byte_register()) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2065 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 2066 | emit_rex_32(reg); |
| 2067 | } |
| 2068 | emit(0xF6); |
| 2069 | emit_modrm(0x0, reg); |
| 2070 | emit(mask.value_); // Low byte emitted. |
| 2071 | } |
| 2072 | } |
| 2073 | |
| 2074 | |
| 2075 | void Assembler::testb(const Operand& op, Immediate mask) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2076 | DCHECK(is_int8(mask.value_) || is_uint8(mask.value_)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2077 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2078 | emit_optional_rex_32(rax, op); |
| 2079 | emit(0xF6); |
| 2080 | emit_operand(rax, op); // Operation code 0 |
| 2081 | emit(mask.value_); // Low byte emitted. |
| 2082 | } |
| 2083 | |
| 2084 | |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2085 | void Assembler::testb(const Operand& op, Register reg) { |
| 2086 | EnsureSpace ensure_space(this); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2087 | if (!reg.is_byte_register()) { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2088 | // Register is not one of al, bl, cl, dl. Its encoding needs REX. |
| 2089 | emit_rex_32(reg, op); |
| 2090 | } else { |
| 2091 | emit_optional_rex_32(reg, op); |
| 2092 | } |
| 2093 | emit(0x84); |
| 2094 | emit_operand(reg, op); |
| 2095 | } |
| 2096 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2097 | void Assembler::testw(Register dst, Register src) { |
| 2098 | EnsureSpace ensure_space(this); |
| 2099 | emit(0x66); |
| 2100 | if (src.low_bits() == 4) { |
| 2101 | emit_rex_32(src, dst); |
| 2102 | } |
| 2103 | emit(0x85); |
| 2104 | emit_modrm(src, dst); |
| 2105 | } |
| 2106 | |
| 2107 | void Assembler::testw(Register reg, Immediate mask) { |
| 2108 | DCHECK(is_int16(mask.value_) || is_uint16(mask.value_)); |
| 2109 | EnsureSpace ensure_space(this); |
| 2110 | emit(0x66); |
| 2111 | if (reg.is(rax)) { |
| 2112 | emit(0xA9); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2113 | emitw(mask.value_); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2114 | } else { |
| 2115 | if (reg.low_bits() == 4) { |
| 2116 | emit_rex_32(reg); |
| 2117 | } |
| 2118 | emit(0xF7); |
| 2119 | emit_modrm(0x0, reg); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2120 | emitw(mask.value_); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2121 | } |
| 2122 | } |
| 2123 | |
| 2124 | void Assembler::testw(const Operand& op, Immediate mask) { |
| 2125 | DCHECK(is_int16(mask.value_) || is_uint16(mask.value_)); |
| 2126 | EnsureSpace ensure_space(this); |
| 2127 | emit(0x66); |
| 2128 | emit_optional_rex_32(rax, op); |
| 2129 | emit(0xF7); |
| 2130 | emit_operand(rax, op); |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 2131 | emitw(mask.value_); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 2132 | } |
| 2133 | |
| 2134 | void Assembler::testw(const Operand& op, Register reg) { |
| 2135 | EnsureSpace ensure_space(this); |
| 2136 | emit(0x66); |
| 2137 | emit_optional_rex_32(reg, op); |
| 2138 | emit(0x85); |
| 2139 | emit_operand(rax, op); |
| 2140 | } |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2141 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2142 | void Assembler::emit_test(Register dst, Register src, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2143 | EnsureSpace ensure_space(this); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 2144 | if (src.low_bits() == 4) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2145 | emit_rex(src, dst, size); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 2146 | emit(0x85); |
| 2147 | emit_modrm(src, dst); |
| 2148 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2149 | emit_rex(dst, src, size); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 2150 | emit(0x85); |
| 2151 | emit_modrm(dst, src); |
| 2152 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2153 | } |
| 2154 | |
| 2155 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2156 | void Assembler::emit_test(Register reg, Immediate mask, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2157 | // testl with a mask that fits in the low byte is exactly testb. |
| 2158 | if (is_uint8(mask.value_)) { |
| 2159 | testb(reg, mask); |
| 2160 | return; |
| 2161 | } |
| 2162 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2163 | if (reg.is(rax)) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2164 | emit_rex(rax, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2165 | emit(0xA9); |
| 2166 | emit(mask); |
| 2167 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2168 | emit_rex(reg, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2169 | emit(0xF7); |
| 2170 | emit_modrm(0x0, reg); |
| 2171 | emit(mask); |
| 2172 | } |
| 2173 | } |
| 2174 | |
| 2175 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2176 | void Assembler::emit_test(const Operand& op, Immediate mask, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2177 | // testl with a mask that fits in the low byte is exactly testb. |
| 2178 | if (is_uint8(mask.value_)) { |
| 2179 | testb(op, mask); |
| 2180 | return; |
| 2181 | } |
| 2182 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2183 | emit_rex(rax, op, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2184 | emit(0xF7); |
| 2185 | emit_operand(rax, op); // Operation code 0 |
| 2186 | emit(mask); |
| 2187 | } |
| 2188 | |
| 2189 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2190 | void Assembler::emit_test(const Operand& op, Register reg, int size) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2191 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2192 | emit_rex(reg, op, size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2193 | emit(0x85); |
| 2194 | emit_operand(reg, op); |
| 2195 | } |
| 2196 | |
| 2197 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2198 | // FPU instructions. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2199 | |
| 2200 | |
| 2201 | void Assembler::fld(int i) { |
| 2202 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2203 | emit_farith(0xD9, 0xC0, i); |
| 2204 | } |
| 2205 | |
| 2206 | |
| 2207 | void Assembler::fld1() { |
| 2208 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2209 | emit(0xD9); |
| 2210 | emit(0xE8); |
| 2211 | } |
| 2212 | |
| 2213 | |
| 2214 | void Assembler::fldz() { |
| 2215 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2216 | emit(0xD9); |
| 2217 | emit(0xEE); |
| 2218 | } |
| 2219 | |
| 2220 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2221 | void Assembler::fldpi() { |
| 2222 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2223 | emit(0xD9); |
| 2224 | emit(0xEB); |
| 2225 | } |
| 2226 | |
| 2227 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2228 | void Assembler::fldln2() { |
| 2229 | EnsureSpace ensure_space(this); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2230 | emit(0xD9); |
| 2231 | emit(0xED); |
| 2232 | } |
| 2233 | |
| 2234 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2235 | void Assembler::fld_s(const Operand& adr) { |
| 2236 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2237 | emit_optional_rex_32(adr); |
| 2238 | emit(0xD9); |
| 2239 | emit_operand(0, adr); |
| 2240 | } |
| 2241 | |
| 2242 | |
| 2243 | void Assembler::fld_d(const Operand& adr) { |
| 2244 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2245 | emit_optional_rex_32(adr); |
| 2246 | emit(0xDD); |
| 2247 | emit_operand(0, adr); |
| 2248 | } |
| 2249 | |
| 2250 | |
| 2251 | void Assembler::fstp_s(const Operand& adr) { |
| 2252 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2253 | emit_optional_rex_32(adr); |
| 2254 | emit(0xD9); |
| 2255 | emit_operand(3, adr); |
| 2256 | } |
| 2257 | |
| 2258 | |
| 2259 | void Assembler::fstp_d(const Operand& adr) { |
| 2260 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2261 | emit_optional_rex_32(adr); |
| 2262 | emit(0xDD); |
| 2263 | emit_operand(3, adr); |
| 2264 | } |
| 2265 | |
| 2266 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2267 | void Assembler::fstp(int index) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2268 | DCHECK(is_uint3(index)); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2269 | EnsureSpace ensure_space(this); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2270 | emit_farith(0xDD, 0xD8, index); |
| 2271 | } |
| 2272 | |
| 2273 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2274 | void Assembler::fild_s(const Operand& adr) { |
| 2275 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2276 | emit_optional_rex_32(adr); |
| 2277 | emit(0xDB); |
| 2278 | emit_operand(0, adr); |
| 2279 | } |
| 2280 | |
| 2281 | |
| 2282 | void Assembler::fild_d(const Operand& adr) { |
| 2283 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2284 | emit_optional_rex_32(adr); |
| 2285 | emit(0xDF); |
| 2286 | emit_operand(5, adr); |
| 2287 | } |
| 2288 | |
| 2289 | |
| 2290 | void Assembler::fistp_s(const Operand& adr) { |
| 2291 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2292 | emit_optional_rex_32(adr); |
| 2293 | emit(0xDB); |
| 2294 | emit_operand(3, adr); |
| 2295 | } |
| 2296 | |
| 2297 | |
| 2298 | void Assembler::fisttp_s(const Operand& adr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2299 | DCHECK(IsEnabled(SSE3)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2300 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2301 | emit_optional_rex_32(adr); |
| 2302 | emit(0xDB); |
| 2303 | emit_operand(1, adr); |
| 2304 | } |
| 2305 | |
| 2306 | |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 2307 | void Assembler::fisttp_d(const Operand& adr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2308 | DCHECK(IsEnabled(SSE3)); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 2309 | EnsureSpace ensure_space(this); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 2310 | emit_optional_rex_32(adr); |
| 2311 | emit(0xDD); |
| 2312 | emit_operand(1, adr); |
| 2313 | } |
| 2314 | |
| 2315 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2316 | void Assembler::fist_s(const Operand& adr) { |
| 2317 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2318 | emit_optional_rex_32(adr); |
| 2319 | emit(0xDB); |
| 2320 | emit_operand(2, adr); |
| 2321 | } |
| 2322 | |
| 2323 | |
| 2324 | void Assembler::fistp_d(const Operand& adr) { |
| 2325 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2326 | emit_optional_rex_32(adr); |
| 2327 | emit(0xDF); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2328 | emit_operand(7, adr); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2329 | } |
| 2330 | |
| 2331 | |
| 2332 | void Assembler::fabs() { |
| 2333 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2334 | emit(0xD9); |
| 2335 | emit(0xE1); |
| 2336 | } |
| 2337 | |
| 2338 | |
| 2339 | void Assembler::fchs() { |
| 2340 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2341 | emit(0xD9); |
| 2342 | emit(0xE0); |
| 2343 | } |
| 2344 | |
| 2345 | |
| 2346 | void Assembler::fcos() { |
| 2347 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2348 | emit(0xD9); |
| 2349 | emit(0xFF); |
| 2350 | } |
| 2351 | |
| 2352 | |
| 2353 | void Assembler::fsin() { |
| 2354 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2355 | emit(0xD9); |
| 2356 | emit(0xFE); |
| 2357 | } |
| 2358 | |
| 2359 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2360 | void Assembler::fptan() { |
| 2361 | EnsureSpace ensure_space(this); |
| 2362 | emit(0xD9); |
| 2363 | emit(0xF2); |
| 2364 | } |
| 2365 | |
| 2366 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2367 | void Assembler::fyl2x() { |
| 2368 | EnsureSpace ensure_space(this); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2369 | emit(0xD9); |
| 2370 | emit(0xF1); |
| 2371 | } |
| 2372 | |
| 2373 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2374 | void Assembler::f2xm1() { |
| 2375 | EnsureSpace ensure_space(this); |
| 2376 | emit(0xD9); |
| 2377 | emit(0xF0); |
| 2378 | } |
| 2379 | |
| 2380 | |
| 2381 | void Assembler::fscale() { |
| 2382 | EnsureSpace ensure_space(this); |
| 2383 | emit(0xD9); |
| 2384 | emit(0xFD); |
| 2385 | } |
| 2386 | |
| 2387 | |
| 2388 | void Assembler::fninit() { |
| 2389 | EnsureSpace ensure_space(this); |
| 2390 | emit(0xDB); |
| 2391 | emit(0xE3); |
| 2392 | } |
| 2393 | |
| 2394 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2395 | void Assembler::fadd(int i) { |
| 2396 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2397 | emit_farith(0xDC, 0xC0, i); |
| 2398 | } |
| 2399 | |
| 2400 | |
| 2401 | void Assembler::fsub(int i) { |
| 2402 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2403 | emit_farith(0xDC, 0xE8, i); |
| 2404 | } |
| 2405 | |
| 2406 | |
| 2407 | void Assembler::fisub_s(const Operand& adr) { |
| 2408 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2409 | emit_optional_rex_32(adr); |
| 2410 | emit(0xDA); |
| 2411 | emit_operand(4, adr); |
| 2412 | } |
| 2413 | |
| 2414 | |
| 2415 | void Assembler::fmul(int i) { |
| 2416 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2417 | emit_farith(0xDC, 0xC8, i); |
| 2418 | } |
| 2419 | |
| 2420 | |
| 2421 | void Assembler::fdiv(int i) { |
| 2422 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2423 | emit_farith(0xDC, 0xF8, i); |
| 2424 | } |
| 2425 | |
| 2426 | |
| 2427 | void Assembler::faddp(int i) { |
| 2428 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2429 | emit_farith(0xDE, 0xC0, i); |
| 2430 | } |
| 2431 | |
| 2432 | |
| 2433 | void Assembler::fsubp(int i) { |
| 2434 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2435 | emit_farith(0xDE, 0xE8, i); |
| 2436 | } |
| 2437 | |
| 2438 | |
| 2439 | void Assembler::fsubrp(int i) { |
| 2440 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2441 | emit_farith(0xDE, 0xE0, i); |
| 2442 | } |
| 2443 | |
| 2444 | |
| 2445 | void Assembler::fmulp(int i) { |
| 2446 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2447 | emit_farith(0xDE, 0xC8, i); |
| 2448 | } |
| 2449 | |
| 2450 | |
| 2451 | void Assembler::fdivp(int i) { |
| 2452 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2453 | emit_farith(0xDE, 0xF8, i); |
| 2454 | } |
| 2455 | |
| 2456 | |
| 2457 | void Assembler::fprem() { |
| 2458 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2459 | emit(0xD9); |
| 2460 | emit(0xF8); |
| 2461 | } |
| 2462 | |
| 2463 | |
| 2464 | void Assembler::fprem1() { |
| 2465 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2466 | emit(0xD9); |
| 2467 | emit(0xF5); |
| 2468 | } |
| 2469 | |
| 2470 | |
| 2471 | void Assembler::fxch(int i) { |
| 2472 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2473 | emit_farith(0xD9, 0xC8, i); |
| 2474 | } |
| 2475 | |
| 2476 | |
| 2477 | void Assembler::fincstp() { |
| 2478 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2479 | emit(0xD9); |
| 2480 | emit(0xF7); |
| 2481 | } |
| 2482 | |
| 2483 | |
| 2484 | void Assembler::ffree(int i) { |
| 2485 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2486 | emit_farith(0xDD, 0xC0, i); |
| 2487 | } |
| 2488 | |
| 2489 | |
| 2490 | void Assembler::ftst() { |
| 2491 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2492 | emit(0xD9); |
| 2493 | emit(0xE4); |
| 2494 | } |
| 2495 | |
| 2496 | |
| 2497 | void Assembler::fucomp(int i) { |
| 2498 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2499 | emit_farith(0xDD, 0xE8, i); |
| 2500 | } |
| 2501 | |
| 2502 | |
| 2503 | void Assembler::fucompp() { |
| 2504 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2505 | emit(0xDA); |
| 2506 | emit(0xE9); |
| 2507 | } |
| 2508 | |
| 2509 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2510 | void Assembler::fucomi(int i) { |
| 2511 | EnsureSpace ensure_space(this); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2512 | emit(0xDB); |
| 2513 | emit(0xE8 + i); |
| 2514 | } |
| 2515 | |
| 2516 | |
| 2517 | void Assembler::fucomip() { |
| 2518 | EnsureSpace ensure_space(this); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2519 | emit(0xDF); |
| 2520 | emit(0xE9); |
| 2521 | } |
| 2522 | |
| 2523 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2524 | void Assembler::fcompp() { |
| 2525 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2526 | emit(0xDE); |
| 2527 | emit(0xD9); |
| 2528 | } |
| 2529 | |
| 2530 | |
| 2531 | void Assembler::fnstsw_ax() { |
| 2532 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2533 | emit(0xDF); |
| 2534 | emit(0xE0); |
| 2535 | } |
| 2536 | |
| 2537 | |
| 2538 | void Assembler::fwait() { |
| 2539 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2540 | emit(0x9B); |
| 2541 | } |
| 2542 | |
| 2543 | |
| 2544 | void Assembler::frndint() { |
| 2545 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2546 | emit(0xD9); |
| 2547 | emit(0xFC); |
| 2548 | } |
| 2549 | |
| 2550 | |
| 2551 | void Assembler::fnclex() { |
| 2552 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2553 | emit(0xDB); |
| 2554 | emit(0xE2); |
| 2555 | } |
| 2556 | |
| 2557 | |
| 2558 | void Assembler::sahf() { |
| 2559 | // TODO(X64): Test for presence. Not all 64-bit intel CPU's have sahf |
| 2560 | // in 64-bit mode. Test CpuID. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2561 | DCHECK(IsEnabled(SAHF)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2562 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2563 | emit(0x9E); |
| 2564 | } |
| 2565 | |
| 2566 | |
| 2567 | void Assembler::emit_farith(int b1, int b2, int i) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2568 | DCHECK(is_uint8(b1) && is_uint8(b2)); // wrong opcode |
| 2569 | DCHECK(is_uint3(i)); // illegal stack offset |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2570 | emit(b1); |
| 2571 | emit(b2 + i); |
| 2572 | } |
| 2573 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2574 | |
| 2575 | // SSE operations. |
| 2576 | |
| 2577 | void Assembler::andps(XMMRegister dst, XMMRegister src) { |
| 2578 | EnsureSpace ensure_space(this); |
| 2579 | emit_optional_rex_32(dst, src); |
| 2580 | emit(0x0F); |
| 2581 | emit(0x54); |
| 2582 | emit_sse_operand(dst, src); |
| 2583 | } |
| 2584 | |
| 2585 | |
| 2586 | void Assembler::andps(XMMRegister dst, const Operand& src) { |
| 2587 | EnsureSpace ensure_space(this); |
| 2588 | emit_optional_rex_32(dst, src); |
| 2589 | emit(0x0F); |
| 2590 | emit(0x54); |
| 2591 | emit_sse_operand(dst, src); |
| 2592 | } |
| 2593 | |
| 2594 | |
| 2595 | void Assembler::orps(XMMRegister dst, XMMRegister src) { |
| 2596 | EnsureSpace ensure_space(this); |
| 2597 | emit_optional_rex_32(dst, src); |
| 2598 | emit(0x0F); |
| 2599 | emit(0x56); |
| 2600 | emit_sse_operand(dst, src); |
| 2601 | } |
| 2602 | |
| 2603 | |
| 2604 | void Assembler::orps(XMMRegister dst, const Operand& src) { |
| 2605 | EnsureSpace ensure_space(this); |
| 2606 | emit_optional_rex_32(dst, src); |
| 2607 | emit(0x0F); |
| 2608 | emit(0x56); |
| 2609 | emit_sse_operand(dst, src); |
| 2610 | } |
| 2611 | |
| 2612 | |
| 2613 | void Assembler::xorps(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2614 | DCHECK(!IsEnabled(AVX)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2615 | EnsureSpace ensure_space(this); |
| 2616 | emit_optional_rex_32(dst, src); |
| 2617 | emit(0x0F); |
| 2618 | emit(0x57); |
| 2619 | emit_sse_operand(dst, src); |
| 2620 | } |
| 2621 | |
| 2622 | |
| 2623 | void Assembler::xorps(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2624 | DCHECK(!IsEnabled(AVX)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2625 | EnsureSpace ensure_space(this); |
| 2626 | emit_optional_rex_32(dst, src); |
| 2627 | emit(0x0F); |
| 2628 | emit(0x57); |
| 2629 | emit_sse_operand(dst, src); |
| 2630 | } |
| 2631 | |
| 2632 | |
| 2633 | void Assembler::addps(XMMRegister dst, XMMRegister src) { |
| 2634 | EnsureSpace ensure_space(this); |
| 2635 | emit_optional_rex_32(dst, src); |
| 2636 | emit(0x0F); |
| 2637 | emit(0x58); |
| 2638 | emit_sse_operand(dst, src); |
| 2639 | } |
| 2640 | |
| 2641 | |
| 2642 | void Assembler::addps(XMMRegister dst, const Operand& src) { |
| 2643 | EnsureSpace ensure_space(this); |
| 2644 | emit_optional_rex_32(dst, src); |
| 2645 | emit(0x0F); |
| 2646 | emit(0x58); |
| 2647 | emit_sse_operand(dst, src); |
| 2648 | } |
| 2649 | |
| 2650 | |
| 2651 | void Assembler::subps(XMMRegister dst, XMMRegister src) { |
| 2652 | EnsureSpace ensure_space(this); |
| 2653 | emit_optional_rex_32(dst, src); |
| 2654 | emit(0x0F); |
| 2655 | emit(0x5C); |
| 2656 | emit_sse_operand(dst, src); |
| 2657 | } |
| 2658 | |
| 2659 | |
| 2660 | void Assembler::subps(XMMRegister dst, const Operand& src) { |
| 2661 | EnsureSpace ensure_space(this); |
| 2662 | emit_optional_rex_32(dst, src); |
| 2663 | emit(0x0F); |
| 2664 | emit(0x5C); |
| 2665 | emit_sse_operand(dst, src); |
| 2666 | } |
| 2667 | |
| 2668 | |
| 2669 | void Assembler::mulps(XMMRegister dst, XMMRegister src) { |
| 2670 | EnsureSpace ensure_space(this); |
| 2671 | emit_optional_rex_32(dst, src); |
| 2672 | emit(0x0F); |
| 2673 | emit(0x59); |
| 2674 | emit_sse_operand(dst, src); |
| 2675 | } |
| 2676 | |
| 2677 | |
| 2678 | void Assembler::mulps(XMMRegister dst, const Operand& src) { |
| 2679 | EnsureSpace ensure_space(this); |
| 2680 | emit_optional_rex_32(dst, src); |
| 2681 | emit(0x0F); |
| 2682 | emit(0x59); |
| 2683 | emit_sse_operand(dst, src); |
| 2684 | } |
| 2685 | |
| 2686 | |
| 2687 | void Assembler::divps(XMMRegister dst, XMMRegister src) { |
| 2688 | EnsureSpace ensure_space(this); |
| 2689 | emit_optional_rex_32(dst, src); |
| 2690 | emit(0x0F); |
| 2691 | emit(0x5E); |
| 2692 | emit_sse_operand(dst, src); |
| 2693 | } |
| 2694 | |
| 2695 | |
| 2696 | void Assembler::divps(XMMRegister dst, const Operand& src) { |
| 2697 | EnsureSpace ensure_space(this); |
| 2698 | emit_optional_rex_32(dst, src); |
| 2699 | emit(0x0F); |
| 2700 | emit(0x5E); |
| 2701 | emit_sse_operand(dst, src); |
| 2702 | } |
| 2703 | |
| 2704 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2705 | // SSE 2 operations. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2706 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2707 | void Assembler::movd(XMMRegister dst, Register src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2708 | DCHECK(!IsEnabled(AVX)); |
| 2709 | EnsureSpace ensure_space(this); |
| 2710 | emit(0x66); |
| 2711 | emit_optional_rex_32(dst, src); |
| 2712 | emit(0x0F); |
| 2713 | emit(0x6E); |
| 2714 | emit_sse_operand(dst, src); |
| 2715 | } |
| 2716 | |
| 2717 | |
| 2718 | void Assembler::movd(XMMRegister dst, const Operand& src) { |
| 2719 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2720 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2721 | emit(0x66); |
| 2722 | emit_optional_rex_32(dst, src); |
| 2723 | emit(0x0F); |
| 2724 | emit(0x6E); |
| 2725 | emit_sse_operand(dst, src); |
| 2726 | } |
| 2727 | |
| 2728 | |
| 2729 | void Assembler::movd(Register dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2730 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2731 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2732 | emit(0x66); |
Ben Murdoch | bb769b2 | 2010-08-11 14:56:33 +0100 | [diff] [blame] | 2733 | emit_optional_rex_32(src, dst); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2734 | emit(0x0F); |
| 2735 | emit(0x7E); |
Ben Murdoch | bb769b2 | 2010-08-11 14:56:33 +0100 | [diff] [blame] | 2736 | emit_sse_operand(src, dst); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2737 | } |
| 2738 | |
| 2739 | |
| 2740 | void Assembler::movq(XMMRegister dst, Register src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2741 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2742 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2743 | emit(0x66); |
| 2744 | emit_rex_64(dst, src); |
| 2745 | emit(0x0F); |
| 2746 | emit(0x6E); |
| 2747 | emit_sse_operand(dst, src); |
| 2748 | } |
| 2749 | |
| 2750 | |
| 2751 | void Assembler::movq(Register dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2752 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2753 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2754 | emit(0x66); |
Ben Murdoch | bb769b2 | 2010-08-11 14:56:33 +0100 | [diff] [blame] | 2755 | emit_rex_64(src, dst); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2756 | emit(0x0F); |
| 2757 | emit(0x7E); |
Ben Murdoch | bb769b2 | 2010-08-11 14:56:33 +0100 | [diff] [blame] | 2758 | emit_sse_operand(src, dst); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2759 | } |
| 2760 | |
| 2761 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2762 | void Assembler::movq(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2763 | DCHECK(!IsEnabled(AVX)); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2764 | EnsureSpace ensure_space(this); |
| 2765 | if (dst.low_bits() == 4) { |
| 2766 | // Avoid unnecessary SIB byte. |
| 2767 | emit(0xf3); |
| 2768 | emit_optional_rex_32(dst, src); |
| 2769 | emit(0x0F); |
| 2770 | emit(0x7e); |
| 2771 | emit_sse_operand(dst, src); |
| 2772 | } else { |
| 2773 | emit(0x66); |
| 2774 | emit_optional_rex_32(src, dst); |
| 2775 | emit(0x0F); |
| 2776 | emit(0xD6); |
| 2777 | emit_sse_operand(src, dst); |
| 2778 | } |
| 2779 | } |
| 2780 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2781 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 2782 | void Assembler::movdqa(const Operand& dst, XMMRegister src) { |
| 2783 | EnsureSpace ensure_space(this); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2784 | emit(0x66); |
| 2785 | emit_rex_64(src, dst); |
| 2786 | emit(0x0F); |
| 2787 | emit(0x7F); |
| 2788 | emit_sse_operand(src, dst); |
| 2789 | } |
| 2790 | |
| 2791 | |
| 2792 | void Assembler::movdqa(XMMRegister dst, const Operand& src) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2793 | EnsureSpace ensure_space(this); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2794 | emit(0x66); |
| 2795 | emit_rex_64(dst, src); |
| 2796 | emit(0x0F); |
| 2797 | emit(0x6F); |
| 2798 | emit_sse_operand(dst, src); |
| 2799 | } |
| 2800 | |
| 2801 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2802 | void Assembler::movdqu(const Operand& dst, XMMRegister src) { |
| 2803 | EnsureSpace ensure_space(this); |
| 2804 | emit(0xF3); |
| 2805 | emit_rex_64(src, dst); |
| 2806 | emit(0x0F); |
| 2807 | emit(0x7F); |
| 2808 | emit_sse_operand(src, dst); |
| 2809 | } |
| 2810 | |
| 2811 | |
| 2812 | void Assembler::movdqu(XMMRegister dst, const Operand& src) { |
| 2813 | EnsureSpace ensure_space(this); |
| 2814 | emit(0xF3); |
| 2815 | emit_rex_64(dst, src); |
| 2816 | emit(0x0F); |
| 2817 | emit(0x6F); |
| 2818 | emit_sse_operand(dst, src); |
| 2819 | } |
| 2820 | |
| 2821 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2822 | void Assembler::extractps(Register dst, XMMRegister src, byte imm8) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2823 | DCHECK(IsEnabled(SSE4_1)); |
| 2824 | DCHECK(is_uint8(imm8)); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2825 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2826 | emit(0x66); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2827 | emit_optional_rex_32(src, dst); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2828 | emit(0x0F); |
| 2829 | emit(0x3A); |
| 2830 | emit(0x17); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2831 | emit_sse_operand(src, dst); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2832 | emit(imm8); |
| 2833 | } |
| 2834 | |
| 2835 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2836 | void Assembler::pextrd(Register dst, XMMRegister src, int8_t imm8) { |
| 2837 | DCHECK(IsEnabled(SSE4_1)); |
| 2838 | EnsureSpace ensure_space(this); |
| 2839 | emit(0x66); |
| 2840 | emit_optional_rex_32(src, dst); |
| 2841 | emit(0x0F); |
| 2842 | emit(0x3A); |
| 2843 | emit(0x16); |
| 2844 | emit_sse_operand(src, dst); |
| 2845 | emit(imm8); |
| 2846 | } |
| 2847 | |
| 2848 | |
| 2849 | void Assembler::pinsrd(XMMRegister dst, Register src, int8_t imm8) { |
| 2850 | DCHECK(IsEnabled(SSE4_1)); |
| 2851 | EnsureSpace ensure_space(this); |
| 2852 | emit(0x66); |
| 2853 | emit_optional_rex_32(dst, src); |
| 2854 | emit(0x0F); |
| 2855 | emit(0x3A); |
| 2856 | emit(0x22); |
| 2857 | emit_sse_operand(dst, src); |
| 2858 | emit(imm8); |
| 2859 | } |
| 2860 | |
| 2861 | |
| 2862 | void Assembler::pinsrd(XMMRegister dst, const Operand& src, int8_t imm8) { |
| 2863 | DCHECK(IsEnabled(SSE4_1)); |
| 2864 | EnsureSpace ensure_space(this); |
| 2865 | emit(0x66); |
| 2866 | emit_optional_rex_32(dst, src); |
| 2867 | emit(0x0F); |
| 2868 | emit(0x3A); |
| 2869 | emit(0x22); |
| 2870 | emit_sse_operand(dst, src); |
| 2871 | emit(imm8); |
| 2872 | } |
| 2873 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 2874 | void Assembler::insertps(XMMRegister dst, XMMRegister src, byte imm8) { |
| 2875 | DCHECK(CpuFeatures::IsSupported(SSE4_1)); |
| 2876 | DCHECK(is_uint8(imm8)); |
| 2877 | EnsureSpace ensure_space(this); |
| 2878 | emit(0x66); |
| 2879 | emit_optional_rex_32(dst, src); |
| 2880 | emit(0x0F); |
| 2881 | emit(0x3A); |
| 2882 | emit(0x21); |
| 2883 | emit_sse_operand(dst, src); |
| 2884 | emit(imm8); |
| 2885 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2886 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2887 | void Assembler::movsd(const Operand& dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2888 | DCHECK(!IsEnabled(AVX)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2889 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2890 | emit(0xF2); // double |
| 2891 | emit_optional_rex_32(src, dst); |
| 2892 | emit(0x0F); |
| 2893 | emit(0x11); // store |
| 2894 | emit_sse_operand(src, dst); |
| 2895 | } |
| 2896 | |
| 2897 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 2898 | void Assembler::movsd(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2899 | DCHECK(!IsEnabled(AVX)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2900 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2901 | emit(0xF2); // double |
| 2902 | emit_optional_rex_32(dst, src); |
| 2903 | emit(0x0F); |
| 2904 | emit(0x10); // load |
| 2905 | emit_sse_operand(dst, src); |
| 2906 | } |
| 2907 | |
| 2908 | |
| 2909 | void Assembler::movsd(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2910 | DCHECK(!IsEnabled(AVX)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2911 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2912 | emit(0xF2); // double |
| 2913 | emit_optional_rex_32(dst, src); |
| 2914 | emit(0x0F); |
| 2915 | emit(0x10); // load |
| 2916 | emit_sse_operand(dst, src); |
| 2917 | } |
| 2918 | |
| 2919 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2920 | void Assembler::movaps(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2921 | DCHECK(!IsEnabled(AVX)); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2922 | EnsureSpace ensure_space(this); |
| 2923 | if (src.low_bits() == 4) { |
| 2924 | // Try to avoid an unnecessary SIB byte. |
| 2925 | emit_optional_rex_32(src, dst); |
| 2926 | emit(0x0F); |
| 2927 | emit(0x29); |
| 2928 | emit_sse_operand(src, dst); |
| 2929 | } else { |
| 2930 | emit_optional_rex_32(dst, src); |
| 2931 | emit(0x0F); |
| 2932 | emit(0x28); |
| 2933 | emit_sse_operand(dst, src); |
| 2934 | } |
| 2935 | } |
| 2936 | |
| 2937 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2938 | void Assembler::shufps(XMMRegister dst, XMMRegister src, byte imm8) { |
| 2939 | DCHECK(is_uint8(imm8)); |
| 2940 | EnsureSpace ensure_space(this); |
| 2941 | emit_optional_rex_32(src, dst); |
| 2942 | emit(0x0F); |
| 2943 | emit(0xC6); |
| 2944 | emit_sse_operand(dst, src); |
| 2945 | emit(imm8); |
| 2946 | } |
| 2947 | |
| 2948 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2949 | void Assembler::movapd(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2950 | DCHECK(!IsEnabled(AVX)); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2951 | EnsureSpace ensure_space(this); |
| 2952 | if (src.low_bits() == 4) { |
| 2953 | // Try to avoid an unnecessary SIB byte. |
| 2954 | emit(0x66); |
| 2955 | emit_optional_rex_32(src, dst); |
| 2956 | emit(0x0F); |
| 2957 | emit(0x29); |
| 2958 | emit_sse_operand(src, dst); |
| 2959 | } else { |
| 2960 | emit(0x66); |
| 2961 | emit_optional_rex_32(dst, src); |
| 2962 | emit(0x0F); |
| 2963 | emit(0x28); |
| 2964 | emit_sse_operand(dst, src); |
| 2965 | } |
| 2966 | } |
| 2967 | |
| 2968 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2969 | void Assembler::addss(XMMRegister dst, XMMRegister src) { |
| 2970 | EnsureSpace ensure_space(this); |
| 2971 | emit(0xF3); |
| 2972 | emit_optional_rex_32(dst, src); |
| 2973 | emit(0x0F); |
| 2974 | emit(0x58); |
| 2975 | emit_sse_operand(dst, src); |
| 2976 | } |
| 2977 | |
| 2978 | |
| 2979 | void Assembler::addss(XMMRegister dst, const Operand& src) { |
| 2980 | EnsureSpace ensure_space(this); |
| 2981 | emit(0xF3); |
| 2982 | emit_optional_rex_32(dst, src); |
| 2983 | emit(0x0F); |
| 2984 | emit(0x58); |
| 2985 | emit_sse_operand(dst, src); |
| 2986 | } |
| 2987 | |
| 2988 | |
| 2989 | void Assembler::subss(XMMRegister dst, XMMRegister src) { |
| 2990 | EnsureSpace ensure_space(this); |
| 2991 | emit(0xF3); |
| 2992 | emit_optional_rex_32(dst, src); |
| 2993 | emit(0x0F); |
| 2994 | emit(0x5C); |
| 2995 | emit_sse_operand(dst, src); |
| 2996 | } |
| 2997 | |
| 2998 | |
| 2999 | void Assembler::subss(XMMRegister dst, const Operand& src) { |
| 3000 | EnsureSpace ensure_space(this); |
| 3001 | emit(0xF3); |
| 3002 | emit_optional_rex_32(dst, src); |
| 3003 | emit(0x0F); |
| 3004 | emit(0x5C); |
| 3005 | emit_sse_operand(dst, src); |
| 3006 | } |
| 3007 | |
| 3008 | |
| 3009 | void Assembler::mulss(XMMRegister dst, XMMRegister src) { |
| 3010 | EnsureSpace ensure_space(this); |
| 3011 | emit(0xF3); |
| 3012 | emit_optional_rex_32(dst, src); |
| 3013 | emit(0x0F); |
| 3014 | emit(0x59); |
| 3015 | emit_sse_operand(dst, src); |
| 3016 | } |
| 3017 | |
| 3018 | |
| 3019 | void Assembler::mulss(XMMRegister dst, const Operand& src) { |
| 3020 | EnsureSpace ensure_space(this); |
| 3021 | emit(0xF3); |
| 3022 | emit_optional_rex_32(dst, src); |
| 3023 | emit(0x0F); |
| 3024 | emit(0x59); |
| 3025 | emit_sse_operand(dst, src); |
| 3026 | } |
| 3027 | |
| 3028 | |
| 3029 | void Assembler::divss(XMMRegister dst, XMMRegister src) { |
| 3030 | EnsureSpace ensure_space(this); |
| 3031 | emit(0xF3); |
| 3032 | emit_optional_rex_32(dst, src); |
| 3033 | emit(0x0F); |
| 3034 | emit(0x5E); |
| 3035 | emit_sse_operand(dst, src); |
| 3036 | } |
| 3037 | |
| 3038 | |
| 3039 | void Assembler::divss(XMMRegister dst, const Operand& src) { |
| 3040 | EnsureSpace ensure_space(this); |
| 3041 | emit(0xF3); |
| 3042 | emit_optional_rex_32(dst, src); |
| 3043 | emit(0x0F); |
| 3044 | emit(0x5E); |
| 3045 | emit_sse_operand(dst, src); |
| 3046 | } |
| 3047 | |
| 3048 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3049 | void Assembler::maxss(XMMRegister dst, XMMRegister src) { |
| 3050 | EnsureSpace ensure_space(this); |
| 3051 | emit(0xF3); |
| 3052 | emit_optional_rex_32(dst, src); |
| 3053 | emit(0x0F); |
| 3054 | emit(0x5F); |
| 3055 | emit_sse_operand(dst, src); |
| 3056 | } |
| 3057 | |
| 3058 | |
| 3059 | void Assembler::maxss(XMMRegister dst, const Operand& src) { |
| 3060 | EnsureSpace ensure_space(this); |
| 3061 | emit(0xF3); |
| 3062 | emit_optional_rex_32(dst, src); |
| 3063 | emit(0x0F); |
| 3064 | emit(0x5F); |
| 3065 | emit_sse_operand(dst, src); |
| 3066 | } |
| 3067 | |
| 3068 | |
| 3069 | void Assembler::minss(XMMRegister dst, XMMRegister src) { |
| 3070 | EnsureSpace ensure_space(this); |
| 3071 | emit(0xF3); |
| 3072 | emit_optional_rex_32(dst, src); |
| 3073 | emit(0x0F); |
| 3074 | emit(0x5D); |
| 3075 | emit_sse_operand(dst, src); |
| 3076 | } |
| 3077 | |
| 3078 | |
| 3079 | void Assembler::minss(XMMRegister dst, const Operand& src) { |
| 3080 | EnsureSpace ensure_space(this); |
| 3081 | emit(0xF3); |
| 3082 | emit_optional_rex_32(dst, src); |
| 3083 | emit(0x0F); |
| 3084 | emit(0x5D); |
| 3085 | emit_sse_operand(dst, src); |
| 3086 | } |
| 3087 | |
| 3088 | |
| 3089 | void Assembler::sqrtss(XMMRegister dst, XMMRegister src) { |
| 3090 | EnsureSpace ensure_space(this); |
| 3091 | emit(0xF3); |
| 3092 | emit_optional_rex_32(dst, src); |
| 3093 | emit(0x0F); |
| 3094 | emit(0x51); |
| 3095 | emit_sse_operand(dst, src); |
| 3096 | } |
| 3097 | |
| 3098 | |
| 3099 | void Assembler::sqrtss(XMMRegister dst, const Operand& src) { |
| 3100 | EnsureSpace ensure_space(this); |
| 3101 | emit(0xF3); |
| 3102 | emit_optional_rex_32(dst, src); |
| 3103 | emit(0x0F); |
| 3104 | emit(0x51); |
| 3105 | emit_sse_operand(dst, src); |
| 3106 | } |
| 3107 | |
| 3108 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3109 | void Assembler::ucomiss(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3110 | DCHECK(!IsEnabled(AVX)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3111 | EnsureSpace ensure_space(this); |
| 3112 | emit_optional_rex_32(dst, src); |
| 3113 | emit(0x0f); |
| 3114 | emit(0x2e); |
| 3115 | emit_sse_operand(dst, src); |
| 3116 | } |
| 3117 | |
| 3118 | |
| 3119 | void Assembler::ucomiss(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3120 | DCHECK(!IsEnabled(AVX)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3121 | EnsureSpace ensure_space(this); |
| 3122 | emit_optional_rex_32(dst, src); |
| 3123 | emit(0x0f); |
| 3124 | emit(0x2e); |
| 3125 | emit_sse_operand(dst, src); |
| 3126 | } |
| 3127 | |
| 3128 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3129 | void Assembler::movss(XMMRegister dst, XMMRegister src) { |
| 3130 | DCHECK(!IsEnabled(AVX)); |
| 3131 | EnsureSpace ensure_space(this); |
| 3132 | emit(0xF3); // single |
| 3133 | emit_optional_rex_32(dst, src); |
| 3134 | emit(0x0F); |
| 3135 | emit(0x10); // load |
| 3136 | emit_sse_operand(dst, src); |
| 3137 | } |
| 3138 | |
| 3139 | |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3140 | void Assembler::movss(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3141 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3142 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3143 | emit(0xF3); // single |
| 3144 | emit_optional_rex_32(dst, src); |
| 3145 | emit(0x0F); |
| 3146 | emit(0x10); // load |
| 3147 | emit_sse_operand(dst, src); |
| 3148 | } |
| 3149 | |
| 3150 | |
| 3151 | void Assembler::movss(const Operand& src, XMMRegister dst) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3152 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3153 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3154 | emit(0xF3); // single |
| 3155 | emit_optional_rex_32(dst, src); |
| 3156 | emit(0x0F); |
| 3157 | emit(0x11); // store |
| 3158 | emit_sse_operand(dst, src); |
| 3159 | } |
| 3160 | |
| 3161 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3162 | void Assembler::psllq(XMMRegister reg, byte imm8) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3163 | DCHECK(!IsEnabled(AVX)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3164 | EnsureSpace ensure_space(this); |
| 3165 | emit(0x66); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3166 | emit_optional_rex_32(reg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3167 | emit(0x0F); |
| 3168 | emit(0x73); |
| 3169 | emit_sse_operand(rsi, reg); // rsi == 6 |
| 3170 | emit(imm8); |
| 3171 | } |
| 3172 | |
| 3173 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3174 | void Assembler::psrlq(XMMRegister reg, byte imm8) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3175 | DCHECK(!IsEnabled(AVX)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3176 | EnsureSpace ensure_space(this); |
| 3177 | emit(0x66); |
| 3178 | emit_optional_rex_32(reg); |
| 3179 | emit(0x0F); |
| 3180 | emit(0x73); |
| 3181 | emit_sse_operand(rdx, reg); // rdx == 2 |
| 3182 | emit(imm8); |
| 3183 | } |
| 3184 | |
| 3185 | |
| 3186 | void Assembler::pslld(XMMRegister reg, byte imm8) { |
| 3187 | EnsureSpace ensure_space(this); |
| 3188 | emit(0x66); |
| 3189 | emit_optional_rex_32(reg); |
| 3190 | emit(0x0F); |
| 3191 | emit(0x72); |
| 3192 | emit_sse_operand(rsi, reg); // rsi == 6 |
| 3193 | emit(imm8); |
| 3194 | } |
| 3195 | |
| 3196 | |
| 3197 | void Assembler::psrld(XMMRegister reg, byte imm8) { |
| 3198 | EnsureSpace ensure_space(this); |
| 3199 | emit(0x66); |
| 3200 | emit_optional_rex_32(reg); |
| 3201 | emit(0x0F); |
| 3202 | emit(0x72); |
| 3203 | emit_sse_operand(rdx, reg); // rdx == 2 |
| 3204 | emit(imm8); |
| 3205 | } |
| 3206 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3207 | void Assembler::cmpps(XMMRegister dst, XMMRegister src, int8_t cmp) { |
| 3208 | EnsureSpace ensure_space(this); |
| 3209 | emit_optional_rex_32(dst, src); |
| 3210 | emit(0x0F); |
| 3211 | emit(0xC2); |
| 3212 | emit_sse_operand(dst, src); |
| 3213 | emit(cmp); |
| 3214 | } |
| 3215 | |
| 3216 | void Assembler::cmpeqps(XMMRegister dst, XMMRegister src) { |
| 3217 | cmpps(dst, src, 0x0); |
| 3218 | } |
| 3219 | |
| 3220 | void Assembler::cmpltps(XMMRegister dst, XMMRegister src) { |
| 3221 | cmpps(dst, src, 0x1); |
| 3222 | } |
| 3223 | |
| 3224 | void Assembler::cmpleps(XMMRegister dst, XMMRegister src) { |
| 3225 | cmpps(dst, src, 0x2); |
| 3226 | } |
| 3227 | |
| 3228 | void Assembler::cmpneqps(XMMRegister dst, XMMRegister src) { |
| 3229 | cmpps(dst, src, 0x4); |
| 3230 | } |
| 3231 | |
| 3232 | void Assembler::cmpnltps(XMMRegister dst, XMMRegister src) { |
| 3233 | cmpps(dst, src, 0x5); |
| 3234 | } |
| 3235 | |
| 3236 | void Assembler::cmpnleps(XMMRegister dst, XMMRegister src) { |
| 3237 | cmpps(dst, src, 0x6); |
| 3238 | } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3239 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3240 | void Assembler::cvttss2si(Register dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3241 | DCHECK(!IsEnabled(AVX)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3242 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3243 | emit(0xF3); |
| 3244 | emit_optional_rex_32(dst, src); |
| 3245 | emit(0x0F); |
| 3246 | emit(0x2C); |
| 3247 | emit_operand(dst, src); |
| 3248 | } |
| 3249 | |
| 3250 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 3251 | void Assembler::cvttss2si(Register dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3252 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 3253 | EnsureSpace ensure_space(this); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 3254 | emit(0xF3); |
| 3255 | emit_optional_rex_32(dst, src); |
| 3256 | emit(0x0F); |
| 3257 | emit(0x2C); |
| 3258 | emit_sse_operand(dst, src); |
| 3259 | } |
| 3260 | |
| 3261 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3262 | void Assembler::cvttsd2si(Register dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3263 | DCHECK(!IsEnabled(AVX)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3264 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3265 | emit(0xF2); |
| 3266 | emit_optional_rex_32(dst, src); |
| 3267 | emit(0x0F); |
| 3268 | emit(0x2C); |
| 3269 | emit_operand(dst, src); |
| 3270 | } |
| 3271 | |
| 3272 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 3273 | void Assembler::cvttsd2si(Register dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3274 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 3275 | EnsureSpace ensure_space(this); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 3276 | emit(0xF2); |
| 3277 | emit_optional_rex_32(dst, src); |
| 3278 | emit(0x0F); |
| 3279 | emit(0x2C); |
| 3280 | emit_sse_operand(dst, src); |
| 3281 | } |
| 3282 | |
| 3283 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3284 | void Assembler::cvttss2siq(Register dst, XMMRegister src) { |
| 3285 | DCHECK(!IsEnabled(AVX)); |
| 3286 | EnsureSpace ensure_space(this); |
| 3287 | emit(0xF3); |
| 3288 | emit_rex_64(dst, src); |
| 3289 | emit(0x0F); |
| 3290 | emit(0x2C); |
| 3291 | emit_sse_operand(dst, src); |
| 3292 | } |
| 3293 | |
| 3294 | |
| 3295 | void Assembler::cvttss2siq(Register dst, const Operand& src) { |
| 3296 | DCHECK(!IsEnabled(AVX)); |
| 3297 | EnsureSpace ensure_space(this); |
| 3298 | emit(0xF3); |
| 3299 | emit_rex_64(dst, src); |
| 3300 | emit(0x0F); |
| 3301 | emit(0x2C); |
| 3302 | emit_sse_operand(dst, src); |
| 3303 | } |
| 3304 | |
| 3305 | |
Kristian Monsen | 25f6136 | 2010-05-21 11:50:48 +0100 | [diff] [blame] | 3306 | void Assembler::cvttsd2siq(Register dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3307 | DCHECK(!IsEnabled(AVX)); |
Kristian Monsen | 25f6136 | 2010-05-21 11:50:48 +0100 | [diff] [blame] | 3308 | EnsureSpace ensure_space(this); |
Kristian Monsen | 25f6136 | 2010-05-21 11:50:48 +0100 | [diff] [blame] | 3309 | emit(0xF2); |
| 3310 | emit_rex_64(dst, src); |
| 3311 | emit(0x0F); |
| 3312 | emit(0x2C); |
| 3313 | emit_sse_operand(dst, src); |
| 3314 | } |
| 3315 | |
| 3316 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3317 | void Assembler::cvttsd2siq(Register dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3318 | DCHECK(!IsEnabled(AVX)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3319 | EnsureSpace ensure_space(this); |
| 3320 | emit(0xF2); |
| 3321 | emit_rex_64(dst, src); |
| 3322 | emit(0x0F); |
| 3323 | emit(0x2C); |
| 3324 | emit_sse_operand(dst, src); |
| 3325 | } |
| 3326 | |
| 3327 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3328 | void Assembler::cvtlsi2sd(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3329 | DCHECK(!IsEnabled(AVX)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3330 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3331 | emit(0xF2); |
| 3332 | emit_optional_rex_32(dst, src); |
| 3333 | emit(0x0F); |
| 3334 | emit(0x2A); |
| 3335 | emit_sse_operand(dst, src); |
| 3336 | } |
| 3337 | |
| 3338 | |
| 3339 | void Assembler::cvtlsi2sd(XMMRegister dst, Register src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3340 | DCHECK(!IsEnabled(AVX)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3341 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3342 | emit(0xF2); |
| 3343 | emit_optional_rex_32(dst, src); |
| 3344 | emit(0x0F); |
| 3345 | emit(0x2A); |
| 3346 | emit_sse_operand(dst, src); |
| 3347 | } |
| 3348 | |
| 3349 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 3350 | void Assembler::cvtlsi2ss(XMMRegister dst, const Operand& src) { |
| 3351 | DCHECK(!IsEnabled(AVX)); |
| 3352 | EnsureSpace ensure_space(this); |
| 3353 | emit(0xF3); |
| 3354 | emit_optional_rex_32(dst, src); |
| 3355 | emit(0x0F); |
| 3356 | emit(0x2A); |
| 3357 | emit_sse_operand(dst, src); |
| 3358 | } |
| 3359 | |
| 3360 | |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3361 | void Assembler::cvtlsi2ss(XMMRegister dst, Register src) { |
| 3362 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3363 | emit(0xF3); |
| 3364 | emit_optional_rex_32(dst, src); |
| 3365 | emit(0x0F); |
| 3366 | emit(0x2A); |
| 3367 | emit_sse_operand(dst, src); |
| 3368 | } |
| 3369 | |
| 3370 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3371 | void Assembler::cvtqsi2ss(XMMRegister dst, const Operand& src) { |
| 3372 | DCHECK(!IsEnabled(AVX)); |
| 3373 | EnsureSpace ensure_space(this); |
| 3374 | emit(0xF3); |
| 3375 | emit_rex_64(dst, src); |
| 3376 | emit(0x0F); |
| 3377 | emit(0x2A); |
| 3378 | emit_sse_operand(dst, src); |
| 3379 | } |
| 3380 | |
| 3381 | |
| 3382 | void Assembler::cvtqsi2ss(XMMRegister dst, Register src) { |
| 3383 | DCHECK(!IsEnabled(AVX)); |
| 3384 | EnsureSpace ensure_space(this); |
| 3385 | emit(0xF3); |
| 3386 | emit_rex_64(dst, src); |
| 3387 | emit(0x0F); |
| 3388 | emit(0x2A); |
| 3389 | emit_sse_operand(dst, src); |
| 3390 | } |
| 3391 | |
| 3392 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3393 | void Assembler::cvtqsi2sd(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3394 | DCHECK(!IsEnabled(AVX)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3395 | EnsureSpace ensure_space(this); |
| 3396 | emit(0xF2); |
| 3397 | emit_rex_64(dst, src); |
| 3398 | emit(0x0F); |
| 3399 | emit(0x2A); |
| 3400 | emit_sse_operand(dst, src); |
| 3401 | } |
| 3402 | |
| 3403 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3404 | void Assembler::cvtqsi2sd(XMMRegister dst, Register src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3405 | DCHECK(!IsEnabled(AVX)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3406 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3407 | emit(0xF2); |
| 3408 | emit_rex_64(dst, src); |
| 3409 | emit(0x0F); |
| 3410 | emit(0x2A); |
| 3411 | emit_sse_operand(dst, src); |
| 3412 | } |
| 3413 | |
| 3414 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 3415 | void Assembler::cvtss2sd(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3416 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 3417 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 3418 | emit(0xF3); |
| 3419 | emit_optional_rex_32(dst, src); |
| 3420 | emit(0x0F); |
| 3421 | emit(0x5A); |
| 3422 | emit_sse_operand(dst, src); |
| 3423 | } |
| 3424 | |
| 3425 | |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3426 | void Assembler::cvtss2sd(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3427 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3428 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3429 | emit(0xF3); |
| 3430 | emit_optional_rex_32(dst, src); |
| 3431 | emit(0x0F); |
| 3432 | emit(0x5A); |
| 3433 | emit_sse_operand(dst, src); |
| 3434 | } |
| 3435 | |
| 3436 | |
| 3437 | void Assembler::cvtsd2ss(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3438 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3439 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3440 | emit(0xF2); |
| 3441 | emit_optional_rex_32(dst, src); |
| 3442 | emit(0x0F); |
| 3443 | emit(0x5A); |
| 3444 | emit_sse_operand(dst, src); |
| 3445 | } |
| 3446 | |
| 3447 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3448 | void Assembler::cvtsd2ss(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3449 | DCHECK(!IsEnabled(AVX)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3450 | EnsureSpace ensure_space(this); |
| 3451 | emit(0xF2); |
| 3452 | emit_optional_rex_32(dst, src); |
| 3453 | emit(0x0F); |
| 3454 | emit(0x5A); |
| 3455 | emit_sse_operand(dst, src); |
| 3456 | } |
| 3457 | |
| 3458 | |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3459 | void Assembler::cvtsd2si(Register dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3460 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3461 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3462 | emit(0xF2); |
| 3463 | emit_optional_rex_32(dst, src); |
| 3464 | emit(0x0F); |
| 3465 | emit(0x2D); |
| 3466 | emit_sse_operand(dst, src); |
| 3467 | } |
| 3468 | |
| 3469 | |
| 3470 | void Assembler::cvtsd2siq(Register dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3471 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3472 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3473 | emit(0xF2); |
| 3474 | emit_rex_64(dst, src); |
| 3475 | emit(0x0F); |
| 3476 | emit(0x2D); |
| 3477 | emit_sse_operand(dst, src); |
| 3478 | } |
| 3479 | |
| 3480 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3481 | void Assembler::addsd(XMMRegister dst, XMMRegister src) { |
| 3482 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3483 | emit(0xF2); |
| 3484 | emit_optional_rex_32(dst, src); |
| 3485 | emit(0x0F); |
| 3486 | emit(0x58); |
| 3487 | emit_sse_operand(dst, src); |
| 3488 | } |
| 3489 | |
| 3490 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3491 | void Assembler::addsd(XMMRegister dst, const Operand& src) { |
| 3492 | EnsureSpace ensure_space(this); |
| 3493 | emit(0xF2); |
| 3494 | emit_optional_rex_32(dst, src); |
| 3495 | emit(0x0F); |
| 3496 | emit(0x58); |
| 3497 | emit_sse_operand(dst, src); |
| 3498 | } |
| 3499 | |
| 3500 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3501 | void Assembler::mulsd(XMMRegister dst, XMMRegister src) { |
| 3502 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3503 | emit(0xF2); |
| 3504 | emit_optional_rex_32(dst, src); |
| 3505 | emit(0x0F); |
| 3506 | emit(0x59); |
| 3507 | emit_sse_operand(dst, src); |
| 3508 | } |
| 3509 | |
| 3510 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3511 | void Assembler::mulsd(XMMRegister dst, const Operand& src) { |
| 3512 | EnsureSpace ensure_space(this); |
| 3513 | emit(0xF2); |
| 3514 | emit_optional_rex_32(dst, src); |
| 3515 | emit(0x0F); |
| 3516 | emit(0x59); |
| 3517 | emit_sse_operand(dst, src); |
| 3518 | } |
| 3519 | |
| 3520 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3521 | void Assembler::subsd(XMMRegister dst, XMMRegister src) { |
| 3522 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3523 | emit(0xF2); |
| 3524 | emit_optional_rex_32(dst, src); |
| 3525 | emit(0x0F); |
| 3526 | emit(0x5C); |
| 3527 | emit_sse_operand(dst, src); |
| 3528 | } |
| 3529 | |
| 3530 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3531 | void Assembler::subsd(XMMRegister dst, const Operand& src) { |
| 3532 | EnsureSpace ensure_space(this); |
| 3533 | emit(0xF2); |
| 3534 | emit_optional_rex_32(dst, src); |
| 3535 | emit(0x0F); |
| 3536 | emit(0x5C); |
| 3537 | emit_sse_operand(dst, src); |
| 3538 | } |
| 3539 | |
| 3540 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3541 | void Assembler::divsd(XMMRegister dst, XMMRegister src) { |
| 3542 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3543 | emit(0xF2); |
| 3544 | emit_optional_rex_32(dst, src); |
| 3545 | emit(0x0F); |
| 3546 | emit(0x5E); |
| 3547 | emit_sse_operand(dst, src); |
| 3548 | } |
| 3549 | |
| 3550 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3551 | void Assembler::divsd(XMMRegister dst, const Operand& src) { |
| 3552 | EnsureSpace ensure_space(this); |
| 3553 | emit(0xF2); |
| 3554 | emit_optional_rex_32(dst, src); |
| 3555 | emit(0x0F); |
| 3556 | emit(0x5E); |
| 3557 | emit_sse_operand(dst, src); |
| 3558 | } |
| 3559 | |
| 3560 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3561 | void Assembler::maxsd(XMMRegister dst, XMMRegister src) { |
| 3562 | EnsureSpace ensure_space(this); |
| 3563 | emit(0xF2); |
| 3564 | emit_optional_rex_32(dst, src); |
| 3565 | emit(0x0F); |
| 3566 | emit(0x5F); |
| 3567 | emit_sse_operand(dst, src); |
| 3568 | } |
| 3569 | |
| 3570 | |
| 3571 | void Assembler::maxsd(XMMRegister dst, const Operand& src) { |
| 3572 | EnsureSpace ensure_space(this); |
| 3573 | emit(0xF2); |
| 3574 | emit_optional_rex_32(dst, src); |
| 3575 | emit(0x0F); |
| 3576 | emit(0x5F); |
| 3577 | emit_sse_operand(dst, src); |
| 3578 | } |
| 3579 | |
| 3580 | |
| 3581 | void Assembler::minsd(XMMRegister dst, XMMRegister src) { |
| 3582 | EnsureSpace ensure_space(this); |
| 3583 | emit(0xF2); |
| 3584 | emit_optional_rex_32(dst, src); |
| 3585 | emit(0x0F); |
| 3586 | emit(0x5D); |
| 3587 | emit_sse_operand(dst, src); |
| 3588 | } |
| 3589 | |
| 3590 | |
| 3591 | void Assembler::minsd(XMMRegister dst, const Operand& src) { |
| 3592 | EnsureSpace ensure_space(this); |
| 3593 | emit(0xF2); |
| 3594 | emit_optional_rex_32(dst, src); |
| 3595 | emit(0x0F); |
| 3596 | emit(0x5D); |
| 3597 | emit_sse_operand(dst, src); |
| 3598 | } |
| 3599 | |
| 3600 | |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 3601 | void Assembler::andpd(XMMRegister dst, XMMRegister src) { |
| 3602 | EnsureSpace ensure_space(this); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 3603 | emit(0x66); |
| 3604 | emit_optional_rex_32(dst, src); |
| 3605 | emit(0x0F); |
| 3606 | emit(0x54); |
| 3607 | emit_sse_operand(dst, src); |
| 3608 | } |
| 3609 | |
| 3610 | |
| 3611 | void Assembler::orpd(XMMRegister dst, XMMRegister src) { |
| 3612 | EnsureSpace ensure_space(this); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 3613 | emit(0x66); |
| 3614 | emit_optional_rex_32(dst, src); |
| 3615 | emit(0x0F); |
| 3616 | emit(0x56); |
| 3617 | emit_sse_operand(dst, src); |
| 3618 | } |
| 3619 | |
| 3620 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3621 | void Assembler::xorpd(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3622 | DCHECK(!IsEnabled(AVX)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3623 | EnsureSpace ensure_space(this); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3624 | emit(0x66); |
| 3625 | emit_optional_rex_32(dst, src); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 3626 | emit(0x0F); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3627 | emit(0x57); |
| 3628 | emit_sse_operand(dst, src); |
| 3629 | } |
| 3630 | |
| 3631 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3632 | void Assembler::sqrtsd(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3633 | DCHECK(!IsEnabled(AVX)); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 3634 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3635 | emit(0xF2); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 3636 | emit_optional_rex_32(dst, src); |
| 3637 | emit(0x0F); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3638 | emit(0x51); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 3639 | emit_sse_operand(dst, src); |
| 3640 | } |
| 3641 | |
| 3642 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3643 | void Assembler::sqrtsd(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3644 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 3645 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 3646 | emit(0xF2); |
| 3647 | emit_optional_rex_32(dst, src); |
| 3648 | emit(0x0F); |
| 3649 | emit(0x51); |
| 3650 | emit_sse_operand(dst, src); |
| 3651 | } |
| 3652 | |
| 3653 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3654 | void Assembler::ucomisd(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3655 | DCHECK(!IsEnabled(AVX)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3656 | EnsureSpace ensure_space(this); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 3657 | emit(0x66); |
| 3658 | emit_optional_rex_32(dst, src); |
| 3659 | emit(0x0f); |
| 3660 | emit(0x2e); |
| 3661 | emit_sse_operand(dst, src); |
| 3662 | } |
| 3663 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 3664 | |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3665 | void Assembler::ucomisd(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3666 | DCHECK(!IsEnabled(AVX)); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3667 | EnsureSpace ensure_space(this); |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3668 | emit(0x66); |
| 3669 | emit_optional_rex_32(dst, src); |
| 3670 | emit(0x0f); |
| 3671 | emit(0x2e); |
| 3672 | emit_sse_operand(dst, src); |
| 3673 | } |
| 3674 | |
| 3675 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3676 | void Assembler::cmpltsd(XMMRegister dst, XMMRegister src) { |
| 3677 | EnsureSpace ensure_space(this); |
| 3678 | emit(0xF2); |
| 3679 | emit_optional_rex_32(dst, src); |
| 3680 | emit(0x0F); |
| 3681 | emit(0xC2); |
| 3682 | emit_sse_operand(dst, src); |
| 3683 | emit(0x01); // LT == 1 |
| 3684 | } |
| 3685 | |
| 3686 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3687 | void Assembler::roundss(XMMRegister dst, XMMRegister src, RoundingMode mode) { |
| 3688 | DCHECK(!IsEnabled(AVX)); |
| 3689 | DCHECK(IsEnabled(SSE4_1)); |
| 3690 | EnsureSpace ensure_space(this); |
| 3691 | emit(0x66); |
| 3692 | emit_optional_rex_32(dst, src); |
| 3693 | emit(0x0f); |
| 3694 | emit(0x3a); |
| 3695 | emit(0x0a); |
| 3696 | emit_sse_operand(dst, src); |
| 3697 | // Mask precision exception. |
| 3698 | emit(static_cast<byte>(mode) | 0x8); |
| 3699 | } |
| 3700 | |
| 3701 | |
| 3702 | void Assembler::roundsd(XMMRegister dst, XMMRegister src, RoundingMode mode) { |
| 3703 | DCHECK(!IsEnabled(AVX)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3704 | DCHECK(IsEnabled(SSE4_1)); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 3705 | EnsureSpace ensure_space(this); |
| 3706 | emit(0x66); |
| 3707 | emit_optional_rex_32(dst, src); |
| 3708 | emit(0x0f); |
| 3709 | emit(0x3a); |
| 3710 | emit(0x0b); |
| 3711 | emit_sse_operand(dst, src); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3712 | // Mask precision exception. |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 3713 | emit(static_cast<byte>(mode) | 0x8); |
| 3714 | } |
| 3715 | |
| 3716 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 3717 | void Assembler::movmskpd(Register dst, XMMRegister src) { |
| 3718 | EnsureSpace ensure_space(this); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 3719 | emit(0x66); |
| 3720 | emit_optional_rex_32(dst, src); |
| 3721 | emit(0x0f); |
| 3722 | emit(0x50); |
| 3723 | emit_sse_operand(dst, src); |
| 3724 | } |
| 3725 | |
Steve Block | 8defd9f | 2010-07-08 12:39:36 +0100 | [diff] [blame] | 3726 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 3727 | void Assembler::movmskps(Register dst, XMMRegister src) { |
| 3728 | EnsureSpace ensure_space(this); |
| 3729 | emit_optional_rex_32(dst, src); |
| 3730 | emit(0x0f); |
| 3731 | emit(0x50); |
| 3732 | emit_sse_operand(dst, src); |
| 3733 | } |
| 3734 | |
| 3735 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3736 | void Assembler::pcmpeqd(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3737 | DCHECK(!IsEnabled(AVX)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3738 | EnsureSpace ensure_space(this); |
| 3739 | emit(0x66); |
| 3740 | emit_optional_rex_32(dst, src); |
| 3741 | emit(0x0F); |
| 3742 | emit(0x76); |
| 3743 | emit_sse_operand(dst, src); |
| 3744 | } |
| 3745 | |
| 3746 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3747 | void Assembler::punpckldq(XMMRegister dst, XMMRegister src) { |
| 3748 | EnsureSpace ensure_space(this); |
| 3749 | emit(0x66); |
| 3750 | emit_optional_rex_32(dst, src); |
| 3751 | emit(0x0F); |
| 3752 | emit(0x62); |
| 3753 | emit_sse_operand(dst, src); |
| 3754 | } |
| 3755 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 3756 | void Assembler::punpckldq(XMMRegister dst, const Operand& src) { |
| 3757 | EnsureSpace ensure_space(this); |
| 3758 | emit(0x66); |
| 3759 | emit_optional_rex_32(dst, src); |
| 3760 | emit(0x0F); |
| 3761 | emit(0x62); |
| 3762 | emit_sse_operand(dst, src); |
| 3763 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3764 | |
| 3765 | void Assembler::punpckhdq(XMMRegister dst, XMMRegister src) { |
| 3766 | EnsureSpace ensure_space(this); |
| 3767 | emit(0x66); |
| 3768 | emit_optional_rex_32(dst, src); |
| 3769 | emit(0x0F); |
| 3770 | emit(0x6A); |
| 3771 | emit_sse_operand(dst, src); |
| 3772 | } |
| 3773 | |
| 3774 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3775 | // AVX instructions |
| 3776 | void Assembler::vfmasd(byte op, XMMRegister dst, XMMRegister src1, |
| 3777 | XMMRegister src2) { |
| 3778 | DCHECK(IsEnabled(FMA3)); |
| 3779 | EnsureSpace ensure_space(this); |
| 3780 | emit_vex_prefix(dst, src1, src2, kLIG, k66, k0F38, kW1); |
| 3781 | emit(op); |
| 3782 | emit_sse_operand(dst, src2); |
| 3783 | } |
| 3784 | |
| 3785 | |
| 3786 | void Assembler::vfmasd(byte op, XMMRegister dst, XMMRegister src1, |
| 3787 | const Operand& src2) { |
| 3788 | DCHECK(IsEnabled(FMA3)); |
| 3789 | EnsureSpace ensure_space(this); |
| 3790 | emit_vex_prefix(dst, src1, src2, kLIG, k66, k0F38, kW1); |
| 3791 | emit(op); |
| 3792 | emit_sse_operand(dst, src2); |
| 3793 | } |
| 3794 | |
| 3795 | |
| 3796 | void Assembler::vfmass(byte op, XMMRegister dst, XMMRegister src1, |
| 3797 | XMMRegister src2) { |
| 3798 | DCHECK(IsEnabled(FMA3)); |
| 3799 | EnsureSpace ensure_space(this); |
| 3800 | emit_vex_prefix(dst, src1, src2, kLIG, k66, k0F38, kW0); |
| 3801 | emit(op); |
| 3802 | emit_sse_operand(dst, src2); |
| 3803 | } |
| 3804 | |
| 3805 | |
| 3806 | void Assembler::vfmass(byte op, XMMRegister dst, XMMRegister src1, |
| 3807 | const Operand& src2) { |
| 3808 | DCHECK(IsEnabled(FMA3)); |
| 3809 | EnsureSpace ensure_space(this); |
| 3810 | emit_vex_prefix(dst, src1, src2, kLIG, k66, k0F38, kW0); |
| 3811 | emit(op); |
| 3812 | emit_sse_operand(dst, src2); |
| 3813 | } |
| 3814 | |
| 3815 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3816 | void Assembler::vmovd(XMMRegister dst, Register src) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3817 | DCHECK(IsEnabled(AVX)); |
| 3818 | EnsureSpace ensure_space(this); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3819 | XMMRegister isrc = {src.code()}; |
| 3820 | emit_vex_prefix(dst, xmm0, isrc, kL128, k66, k0F, kW0); |
| 3821 | emit(0x6e); |
| 3822 | emit_sse_operand(dst, src); |
| 3823 | } |
| 3824 | |
| 3825 | |
| 3826 | void Assembler::vmovd(XMMRegister dst, const Operand& src) { |
| 3827 | DCHECK(IsEnabled(AVX)); |
| 3828 | EnsureSpace ensure_space(this); |
| 3829 | emit_vex_prefix(dst, xmm0, src, kL128, k66, k0F, kW0); |
| 3830 | emit(0x6e); |
| 3831 | emit_sse_operand(dst, src); |
| 3832 | } |
| 3833 | |
| 3834 | |
| 3835 | void Assembler::vmovd(Register dst, XMMRegister src) { |
| 3836 | DCHECK(IsEnabled(AVX)); |
| 3837 | EnsureSpace ensure_space(this); |
| 3838 | XMMRegister idst = {dst.code()}; |
| 3839 | emit_vex_prefix(src, xmm0, idst, kL128, k66, k0F, kW0); |
| 3840 | emit(0x7e); |
| 3841 | emit_sse_operand(src, dst); |
| 3842 | } |
| 3843 | |
| 3844 | |
| 3845 | void Assembler::vmovq(XMMRegister dst, Register src) { |
| 3846 | DCHECK(IsEnabled(AVX)); |
| 3847 | EnsureSpace ensure_space(this); |
| 3848 | XMMRegister isrc = {src.code()}; |
| 3849 | emit_vex_prefix(dst, xmm0, isrc, kL128, k66, k0F, kW1); |
| 3850 | emit(0x6e); |
| 3851 | emit_sse_operand(dst, src); |
| 3852 | } |
| 3853 | |
| 3854 | |
| 3855 | void Assembler::vmovq(XMMRegister dst, const Operand& src) { |
| 3856 | DCHECK(IsEnabled(AVX)); |
| 3857 | EnsureSpace ensure_space(this); |
| 3858 | emit_vex_prefix(dst, xmm0, src, kL128, k66, k0F, kW1); |
| 3859 | emit(0x6e); |
| 3860 | emit_sse_operand(dst, src); |
| 3861 | } |
| 3862 | |
| 3863 | |
| 3864 | void Assembler::vmovq(Register dst, XMMRegister src) { |
| 3865 | DCHECK(IsEnabled(AVX)); |
| 3866 | EnsureSpace ensure_space(this); |
| 3867 | XMMRegister idst = {dst.code()}; |
| 3868 | emit_vex_prefix(src, xmm0, idst, kL128, k66, k0F, kW1); |
| 3869 | emit(0x7e); |
| 3870 | emit_sse_operand(src, dst); |
| 3871 | } |
| 3872 | |
| 3873 | |
| 3874 | void Assembler::vsd(byte op, XMMRegister dst, XMMRegister src1, |
| 3875 | XMMRegister src2, SIMDPrefix pp, LeadingOpcode m, VexW w) { |
| 3876 | DCHECK(IsEnabled(AVX)); |
| 3877 | EnsureSpace ensure_space(this); |
| 3878 | emit_vex_prefix(dst, src1, src2, kLIG, pp, m, w); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3879 | emit(op); |
| 3880 | emit_sse_operand(dst, src2); |
| 3881 | } |
| 3882 | |
| 3883 | |
| 3884 | void Assembler::vsd(byte op, XMMRegister dst, XMMRegister src1, |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3885 | const Operand& src2, SIMDPrefix pp, LeadingOpcode m, |
| 3886 | VexW w) { |
| 3887 | DCHECK(IsEnabled(AVX)); |
| 3888 | EnsureSpace ensure_space(this); |
| 3889 | emit_vex_prefix(dst, src1, src2, kLIG, pp, m, w); |
| 3890 | emit(op); |
| 3891 | emit_sse_operand(dst, src2); |
| 3892 | } |
| 3893 | |
| 3894 | |
| 3895 | void Assembler::vps(byte op, XMMRegister dst, XMMRegister src1, |
| 3896 | XMMRegister src2) { |
| 3897 | DCHECK(IsEnabled(AVX)); |
| 3898 | EnsureSpace ensure_space(this); |
| 3899 | emit_vex_prefix(dst, src1, src2, kL128, kNone, k0F, kWIG); |
| 3900 | emit(op); |
| 3901 | emit_sse_operand(dst, src2); |
| 3902 | } |
| 3903 | |
| 3904 | |
| 3905 | void Assembler::vps(byte op, XMMRegister dst, XMMRegister src1, |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3906 | const Operand& src2) { |
| 3907 | DCHECK(IsEnabled(AVX)); |
| 3908 | EnsureSpace ensure_space(this); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3909 | emit_vex_prefix(dst, src1, src2, kL128, kNone, k0F, kWIG); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 3910 | emit(op); |
| 3911 | emit_sse_operand(dst, src2); |
| 3912 | } |
| 3913 | |
| 3914 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3915 | void Assembler::vpd(byte op, XMMRegister dst, XMMRegister src1, |
| 3916 | XMMRegister src2) { |
| 3917 | DCHECK(IsEnabled(AVX)); |
| 3918 | EnsureSpace ensure_space(this); |
| 3919 | emit_vex_prefix(dst, src1, src2, kL128, k66, k0F, kWIG); |
| 3920 | emit(op); |
| 3921 | emit_sse_operand(dst, src2); |
| 3922 | } |
| 3923 | |
| 3924 | |
| 3925 | void Assembler::vpd(byte op, XMMRegister dst, XMMRegister src1, |
| 3926 | const Operand& src2) { |
| 3927 | DCHECK(IsEnabled(AVX)); |
| 3928 | EnsureSpace ensure_space(this); |
| 3929 | emit_vex_prefix(dst, src1, src2, kL128, k66, k0F, kWIG); |
| 3930 | emit(op); |
| 3931 | emit_sse_operand(dst, src2); |
| 3932 | } |
| 3933 | |
| 3934 | |
| 3935 | void Assembler::vucomiss(XMMRegister dst, XMMRegister src) { |
| 3936 | DCHECK(IsEnabled(AVX)); |
| 3937 | EnsureSpace ensure_space(this); |
| 3938 | emit_vex_prefix(dst, xmm0, src, kLIG, kNone, k0F, kWIG); |
| 3939 | emit(0x2e); |
| 3940 | emit_sse_operand(dst, src); |
| 3941 | } |
| 3942 | |
| 3943 | |
| 3944 | void Assembler::vucomiss(XMMRegister dst, const Operand& src) { |
| 3945 | DCHECK(IsEnabled(AVX)); |
| 3946 | EnsureSpace ensure_space(this); |
| 3947 | emit_vex_prefix(dst, xmm0, src, kLIG, kNone, k0F, kWIG); |
| 3948 | emit(0x2e); |
| 3949 | emit_sse_operand(dst, src); |
| 3950 | } |
| 3951 | |
| 3952 | |
| 3953 | void Assembler::vss(byte op, XMMRegister dst, XMMRegister src1, |
| 3954 | XMMRegister src2) { |
| 3955 | DCHECK(IsEnabled(AVX)); |
| 3956 | EnsureSpace ensure_space(this); |
| 3957 | emit_vex_prefix(dst, src1, src2, kLIG, kF3, k0F, kWIG); |
| 3958 | emit(op); |
| 3959 | emit_sse_operand(dst, src2); |
| 3960 | } |
| 3961 | |
| 3962 | |
| 3963 | void Assembler::vss(byte op, XMMRegister dst, XMMRegister src1, |
| 3964 | const Operand& src2) { |
| 3965 | DCHECK(IsEnabled(AVX)); |
| 3966 | EnsureSpace ensure_space(this); |
| 3967 | emit_vex_prefix(dst, src1, src2, kLIG, kF3, k0F, kWIG); |
| 3968 | emit(op); |
| 3969 | emit_sse_operand(dst, src2); |
| 3970 | } |
| 3971 | |
| 3972 | |
| 3973 | void Assembler::bmi1q(byte op, Register reg, Register vreg, Register rm) { |
| 3974 | DCHECK(IsEnabled(BMI1)); |
| 3975 | EnsureSpace ensure_space(this); |
| 3976 | emit_vex_prefix(reg, vreg, rm, kLZ, kNone, k0F38, kW1); |
| 3977 | emit(op); |
| 3978 | emit_modrm(reg, rm); |
| 3979 | } |
| 3980 | |
| 3981 | |
| 3982 | void Assembler::bmi1q(byte op, Register reg, Register vreg, const Operand& rm) { |
| 3983 | DCHECK(IsEnabled(BMI1)); |
| 3984 | EnsureSpace ensure_space(this); |
| 3985 | emit_vex_prefix(reg, vreg, rm, kLZ, kNone, k0F38, kW1); |
| 3986 | emit(op); |
| 3987 | emit_operand(reg, rm); |
| 3988 | } |
| 3989 | |
| 3990 | |
| 3991 | void Assembler::bmi1l(byte op, Register reg, Register vreg, Register rm) { |
| 3992 | DCHECK(IsEnabled(BMI1)); |
| 3993 | EnsureSpace ensure_space(this); |
| 3994 | emit_vex_prefix(reg, vreg, rm, kLZ, kNone, k0F38, kW0); |
| 3995 | emit(op); |
| 3996 | emit_modrm(reg, rm); |
| 3997 | } |
| 3998 | |
| 3999 | |
| 4000 | void Assembler::bmi1l(byte op, Register reg, Register vreg, const Operand& rm) { |
| 4001 | DCHECK(IsEnabled(BMI1)); |
| 4002 | EnsureSpace ensure_space(this); |
| 4003 | emit_vex_prefix(reg, vreg, rm, kLZ, kNone, k0F38, kW0); |
| 4004 | emit(op); |
| 4005 | emit_operand(reg, rm); |
| 4006 | } |
| 4007 | |
| 4008 | |
| 4009 | void Assembler::tzcntq(Register dst, Register src) { |
| 4010 | DCHECK(IsEnabled(BMI1)); |
| 4011 | EnsureSpace ensure_space(this); |
| 4012 | emit(0xF3); |
| 4013 | emit_rex_64(dst, src); |
| 4014 | emit(0x0F); |
| 4015 | emit(0xBC); |
| 4016 | emit_modrm(dst, src); |
| 4017 | } |
| 4018 | |
| 4019 | |
| 4020 | void Assembler::tzcntq(Register dst, const Operand& src) { |
| 4021 | DCHECK(IsEnabled(BMI1)); |
| 4022 | EnsureSpace ensure_space(this); |
| 4023 | emit(0xF3); |
| 4024 | emit_rex_64(dst, src); |
| 4025 | emit(0x0F); |
| 4026 | emit(0xBC); |
| 4027 | emit_operand(dst, src); |
| 4028 | } |
| 4029 | |
| 4030 | |
| 4031 | void Assembler::tzcntl(Register dst, Register src) { |
| 4032 | DCHECK(IsEnabled(BMI1)); |
| 4033 | EnsureSpace ensure_space(this); |
| 4034 | emit(0xF3); |
| 4035 | emit_optional_rex_32(dst, src); |
| 4036 | emit(0x0F); |
| 4037 | emit(0xBC); |
| 4038 | emit_modrm(dst, src); |
| 4039 | } |
| 4040 | |
| 4041 | |
| 4042 | void Assembler::tzcntl(Register dst, const Operand& src) { |
| 4043 | DCHECK(IsEnabled(BMI1)); |
| 4044 | EnsureSpace ensure_space(this); |
| 4045 | emit(0xF3); |
| 4046 | emit_optional_rex_32(dst, src); |
| 4047 | emit(0x0F); |
| 4048 | emit(0xBC); |
| 4049 | emit_operand(dst, src); |
| 4050 | } |
| 4051 | |
| 4052 | |
| 4053 | void Assembler::lzcntq(Register dst, Register src) { |
| 4054 | DCHECK(IsEnabled(LZCNT)); |
| 4055 | EnsureSpace ensure_space(this); |
| 4056 | emit(0xF3); |
| 4057 | emit_rex_64(dst, src); |
| 4058 | emit(0x0F); |
| 4059 | emit(0xBD); |
| 4060 | emit_modrm(dst, src); |
| 4061 | } |
| 4062 | |
| 4063 | |
| 4064 | void Assembler::lzcntq(Register dst, const Operand& src) { |
| 4065 | DCHECK(IsEnabled(LZCNT)); |
| 4066 | EnsureSpace ensure_space(this); |
| 4067 | emit(0xF3); |
| 4068 | emit_rex_64(dst, src); |
| 4069 | emit(0x0F); |
| 4070 | emit(0xBD); |
| 4071 | emit_operand(dst, src); |
| 4072 | } |
| 4073 | |
| 4074 | |
| 4075 | void Assembler::lzcntl(Register dst, Register src) { |
| 4076 | DCHECK(IsEnabled(LZCNT)); |
| 4077 | EnsureSpace ensure_space(this); |
| 4078 | emit(0xF3); |
| 4079 | emit_optional_rex_32(dst, src); |
| 4080 | emit(0x0F); |
| 4081 | emit(0xBD); |
| 4082 | emit_modrm(dst, src); |
| 4083 | } |
| 4084 | |
| 4085 | |
| 4086 | void Assembler::lzcntl(Register dst, const Operand& src) { |
| 4087 | DCHECK(IsEnabled(LZCNT)); |
| 4088 | EnsureSpace ensure_space(this); |
| 4089 | emit(0xF3); |
| 4090 | emit_optional_rex_32(dst, src); |
| 4091 | emit(0x0F); |
| 4092 | emit(0xBD); |
| 4093 | emit_operand(dst, src); |
| 4094 | } |
| 4095 | |
| 4096 | |
| 4097 | void Assembler::popcntq(Register dst, Register src) { |
| 4098 | DCHECK(IsEnabled(POPCNT)); |
| 4099 | EnsureSpace ensure_space(this); |
| 4100 | emit(0xF3); |
| 4101 | emit_rex_64(dst, src); |
| 4102 | emit(0x0F); |
| 4103 | emit(0xB8); |
| 4104 | emit_modrm(dst, src); |
| 4105 | } |
| 4106 | |
| 4107 | |
| 4108 | void Assembler::popcntq(Register dst, const Operand& src) { |
| 4109 | DCHECK(IsEnabled(POPCNT)); |
| 4110 | EnsureSpace ensure_space(this); |
| 4111 | emit(0xF3); |
| 4112 | emit_rex_64(dst, src); |
| 4113 | emit(0x0F); |
| 4114 | emit(0xB8); |
| 4115 | emit_operand(dst, src); |
| 4116 | } |
| 4117 | |
| 4118 | |
| 4119 | void Assembler::popcntl(Register dst, Register src) { |
| 4120 | DCHECK(IsEnabled(POPCNT)); |
| 4121 | EnsureSpace ensure_space(this); |
| 4122 | emit(0xF3); |
| 4123 | emit_optional_rex_32(dst, src); |
| 4124 | emit(0x0F); |
| 4125 | emit(0xB8); |
| 4126 | emit_modrm(dst, src); |
| 4127 | } |
| 4128 | |
| 4129 | |
| 4130 | void Assembler::popcntl(Register dst, const Operand& src) { |
| 4131 | DCHECK(IsEnabled(POPCNT)); |
| 4132 | EnsureSpace ensure_space(this); |
| 4133 | emit(0xF3); |
| 4134 | emit_optional_rex_32(dst, src); |
| 4135 | emit(0x0F); |
| 4136 | emit(0xB8); |
| 4137 | emit_operand(dst, src); |
| 4138 | } |
| 4139 | |
| 4140 | |
| 4141 | void Assembler::bmi2q(SIMDPrefix pp, byte op, Register reg, Register vreg, |
| 4142 | Register rm) { |
| 4143 | DCHECK(IsEnabled(BMI2)); |
| 4144 | EnsureSpace ensure_space(this); |
| 4145 | emit_vex_prefix(reg, vreg, rm, kLZ, pp, k0F38, kW1); |
| 4146 | emit(op); |
| 4147 | emit_modrm(reg, rm); |
| 4148 | } |
| 4149 | |
| 4150 | |
| 4151 | void Assembler::bmi2q(SIMDPrefix pp, byte op, Register reg, Register vreg, |
| 4152 | const Operand& rm) { |
| 4153 | DCHECK(IsEnabled(BMI2)); |
| 4154 | EnsureSpace ensure_space(this); |
| 4155 | emit_vex_prefix(reg, vreg, rm, kLZ, pp, k0F38, kW1); |
| 4156 | emit(op); |
| 4157 | emit_operand(reg, rm); |
| 4158 | } |
| 4159 | |
| 4160 | |
| 4161 | void Assembler::bmi2l(SIMDPrefix pp, byte op, Register reg, Register vreg, |
| 4162 | Register rm) { |
| 4163 | DCHECK(IsEnabled(BMI2)); |
| 4164 | EnsureSpace ensure_space(this); |
| 4165 | emit_vex_prefix(reg, vreg, rm, kLZ, pp, k0F38, kW0); |
| 4166 | emit(op); |
| 4167 | emit_modrm(reg, rm); |
| 4168 | } |
| 4169 | |
| 4170 | |
| 4171 | void Assembler::bmi2l(SIMDPrefix pp, byte op, Register reg, Register vreg, |
| 4172 | const Operand& rm) { |
| 4173 | DCHECK(IsEnabled(BMI2)); |
| 4174 | EnsureSpace ensure_space(this); |
| 4175 | emit_vex_prefix(reg, vreg, rm, kLZ, pp, k0F38, kW0); |
| 4176 | emit(op); |
| 4177 | emit_operand(reg, rm); |
| 4178 | } |
| 4179 | |
| 4180 | |
| 4181 | void Assembler::rorxq(Register dst, Register src, byte imm8) { |
| 4182 | DCHECK(IsEnabled(BMI2)); |
| 4183 | DCHECK(is_uint8(imm8)); |
| 4184 | Register vreg = {0}; // VEX.vvvv unused |
| 4185 | EnsureSpace ensure_space(this); |
| 4186 | emit_vex_prefix(dst, vreg, src, kLZ, kF2, k0F3A, kW1); |
| 4187 | emit(0xF0); |
| 4188 | emit_modrm(dst, src); |
| 4189 | emit(imm8); |
| 4190 | } |
| 4191 | |
| 4192 | |
| 4193 | void Assembler::rorxq(Register dst, const Operand& src, byte imm8) { |
| 4194 | DCHECK(IsEnabled(BMI2)); |
| 4195 | DCHECK(is_uint8(imm8)); |
| 4196 | Register vreg = {0}; // VEX.vvvv unused |
| 4197 | EnsureSpace ensure_space(this); |
| 4198 | emit_vex_prefix(dst, vreg, src, kLZ, kF2, k0F3A, kW1); |
| 4199 | emit(0xF0); |
| 4200 | emit_operand(dst, src); |
| 4201 | emit(imm8); |
| 4202 | } |
| 4203 | |
| 4204 | |
| 4205 | void Assembler::rorxl(Register dst, Register src, byte imm8) { |
| 4206 | DCHECK(IsEnabled(BMI2)); |
| 4207 | DCHECK(is_uint8(imm8)); |
| 4208 | Register vreg = {0}; // VEX.vvvv unused |
| 4209 | EnsureSpace ensure_space(this); |
| 4210 | emit_vex_prefix(dst, vreg, src, kLZ, kF2, k0F3A, kW0); |
| 4211 | emit(0xF0); |
| 4212 | emit_modrm(dst, src); |
| 4213 | emit(imm8); |
| 4214 | } |
| 4215 | |
| 4216 | |
| 4217 | void Assembler::rorxl(Register dst, const Operand& src, byte imm8) { |
| 4218 | DCHECK(IsEnabled(BMI2)); |
| 4219 | DCHECK(is_uint8(imm8)); |
| 4220 | Register vreg = {0}; // VEX.vvvv unused |
| 4221 | EnsureSpace ensure_space(this); |
| 4222 | emit_vex_prefix(dst, vreg, src, kLZ, kF2, k0F3A, kW0); |
| 4223 | emit(0xF0); |
| 4224 | emit_operand(dst, src); |
| 4225 | emit(imm8); |
| 4226 | } |
| 4227 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 4228 | void Assembler::minps(XMMRegister dst, XMMRegister src) { |
| 4229 | EnsureSpace ensure_space(this); |
| 4230 | emit_optional_rex_32(dst, src); |
| 4231 | emit(0x0F); |
| 4232 | emit(0x5D); |
| 4233 | emit_sse_operand(dst, src); |
| 4234 | } |
| 4235 | |
| 4236 | void Assembler::minps(XMMRegister dst, const Operand& src) { |
| 4237 | EnsureSpace ensure_space(this); |
| 4238 | emit_optional_rex_32(dst, src); |
| 4239 | emit(0x0F); |
| 4240 | emit(0x5D); |
| 4241 | emit_sse_operand(dst, src); |
| 4242 | } |
| 4243 | |
| 4244 | void Assembler::maxps(XMMRegister dst, XMMRegister src) { |
| 4245 | EnsureSpace ensure_space(this); |
| 4246 | emit_optional_rex_32(dst, src); |
| 4247 | emit(0x0F); |
| 4248 | emit(0x5F); |
| 4249 | emit_sse_operand(dst, src); |
| 4250 | } |
| 4251 | |
| 4252 | void Assembler::maxps(XMMRegister dst, const Operand& src) { |
| 4253 | EnsureSpace ensure_space(this); |
| 4254 | emit_optional_rex_32(dst, src); |
| 4255 | emit(0x0F); |
| 4256 | emit(0x5F); |
| 4257 | emit_sse_operand(dst, src); |
| 4258 | } |
| 4259 | |
| 4260 | void Assembler::rcpps(XMMRegister dst, XMMRegister src) { |
| 4261 | EnsureSpace ensure_space(this); |
| 4262 | emit_optional_rex_32(dst, src); |
| 4263 | emit(0x0F); |
| 4264 | emit(0x53); |
| 4265 | emit_sse_operand(dst, src); |
| 4266 | } |
| 4267 | |
| 4268 | void Assembler::rcpps(XMMRegister dst, const Operand& src) { |
| 4269 | EnsureSpace ensure_space(this); |
| 4270 | emit_optional_rex_32(dst, src); |
| 4271 | emit(0x0F); |
| 4272 | emit(0x53); |
| 4273 | emit_sse_operand(dst, src); |
| 4274 | } |
| 4275 | |
| 4276 | void Assembler::rsqrtps(XMMRegister dst, XMMRegister src) { |
| 4277 | EnsureSpace ensure_space(this); |
| 4278 | emit_optional_rex_32(dst, src); |
| 4279 | emit(0x0F); |
| 4280 | emit(0x52); |
| 4281 | emit_sse_operand(dst, src); |
| 4282 | } |
| 4283 | |
| 4284 | void Assembler::rsqrtps(XMMRegister dst, const Operand& src) { |
| 4285 | EnsureSpace ensure_space(this); |
| 4286 | emit_optional_rex_32(dst, src); |
| 4287 | emit(0x0F); |
| 4288 | emit(0x52); |
| 4289 | emit_sse_operand(dst, src); |
| 4290 | } |
| 4291 | |
| 4292 | void Assembler::sqrtps(XMMRegister dst, XMMRegister src) { |
| 4293 | EnsureSpace ensure_space(this); |
| 4294 | emit_optional_rex_32(dst, src); |
| 4295 | emit(0x0F); |
| 4296 | emit(0x51); |
| 4297 | emit_sse_operand(dst, src); |
| 4298 | } |
| 4299 | |
| 4300 | void Assembler::sqrtps(XMMRegister dst, const Operand& src) { |
| 4301 | EnsureSpace ensure_space(this); |
| 4302 | emit_optional_rex_32(dst, src); |
| 4303 | emit(0x0F); |
| 4304 | emit(0x51); |
| 4305 | emit_sse_operand(dst, src); |
| 4306 | } |
| 4307 | |
| 4308 | void Assembler::cvtdq2ps(XMMRegister dst, XMMRegister src) { |
| 4309 | EnsureSpace ensure_space(this); |
| 4310 | emit_optional_rex_32(dst, src); |
| 4311 | emit(0x0F); |
| 4312 | emit(0x5B); |
| 4313 | emit_sse_operand(dst, src); |
| 4314 | } |
| 4315 | |
| 4316 | void Assembler::cvtdq2ps(XMMRegister dst, const Operand& src) { |
| 4317 | EnsureSpace ensure_space(this); |
| 4318 | emit_optional_rex_32(dst, src); |
| 4319 | emit(0x0F); |
| 4320 | emit(0x5B); |
| 4321 | emit_sse_operand(dst, src); |
| 4322 | } |
| 4323 | |
| 4324 | void Assembler::movups(XMMRegister dst, XMMRegister src) { |
| 4325 | EnsureSpace ensure_space(this); |
| 4326 | if (src.low_bits() == 4) { |
| 4327 | // Try to avoid an unnecessary SIB byte. |
| 4328 | emit_optional_rex_32(src, dst); |
| 4329 | emit(0x0F); |
| 4330 | emit(0x11); |
| 4331 | emit_sse_operand(src, dst); |
| 4332 | } else { |
| 4333 | emit_optional_rex_32(dst, src); |
| 4334 | emit(0x0F); |
| 4335 | emit(0x10); |
| 4336 | emit_sse_operand(dst, src); |
| 4337 | } |
| 4338 | } |
| 4339 | |
| 4340 | void Assembler::movups(XMMRegister dst, const Operand& src) { |
| 4341 | EnsureSpace ensure_space(this); |
| 4342 | emit_optional_rex_32(dst, src); |
| 4343 | emit(0x0F); |
| 4344 | emit(0x10); |
| 4345 | emit_sse_operand(dst, src); |
| 4346 | } |
| 4347 | |
| 4348 | void Assembler::movups(const Operand& dst, XMMRegister src) { |
| 4349 | EnsureSpace ensure_space(this); |
| 4350 | emit_optional_rex_32(src, dst); |
| 4351 | emit(0x0F); |
| 4352 | emit(0x11); |
| 4353 | emit_sse_operand(src, dst); |
| 4354 | } |
| 4355 | |
| 4356 | void Assembler::paddd(XMMRegister dst, XMMRegister src) { |
| 4357 | EnsureSpace ensure_space(this); |
| 4358 | emit(0x66); |
| 4359 | emit_optional_rex_32(dst, src); |
| 4360 | emit(0x0F); |
| 4361 | emit(0xFE); |
| 4362 | emit_sse_operand(dst, src); |
| 4363 | } |
| 4364 | |
| 4365 | void Assembler::paddd(XMMRegister dst, const Operand& src) { |
| 4366 | EnsureSpace ensure_space(this); |
| 4367 | emit(0x66); |
| 4368 | emit_optional_rex_32(dst, src); |
| 4369 | emit(0x0F); |
| 4370 | emit(0xFE); |
| 4371 | emit_sse_operand(dst, src); |
| 4372 | } |
| 4373 | |
| 4374 | void Assembler::psubd(XMMRegister dst, XMMRegister src) { |
| 4375 | EnsureSpace ensure_space(this); |
| 4376 | emit(0x66); |
| 4377 | emit_optional_rex_32(dst, src); |
| 4378 | emit(0x0F); |
| 4379 | emit(0xFA); |
| 4380 | emit_sse_operand(dst, src); |
| 4381 | } |
| 4382 | |
| 4383 | void Assembler::psubd(XMMRegister dst, const Operand& src) { |
| 4384 | EnsureSpace ensure_space(this); |
| 4385 | emit(0x66); |
| 4386 | emit_optional_rex_32(dst, src); |
| 4387 | emit(0x0F); |
| 4388 | emit(0xFA); |
| 4389 | emit_sse_operand(dst, src); |
| 4390 | } |
| 4391 | |
| 4392 | void Assembler::pmulld(XMMRegister dst, XMMRegister src) { |
| 4393 | DCHECK(IsEnabled(SSE4_1)); |
| 4394 | EnsureSpace ensure_space(this); |
| 4395 | emit(0x66); |
| 4396 | emit_optional_rex_32(dst, src); |
| 4397 | emit(0x0F); |
| 4398 | emit(0x38); |
| 4399 | emit(0x40); |
| 4400 | emit_sse_operand(dst, src); |
| 4401 | } |
| 4402 | |
| 4403 | void Assembler::pmulld(XMMRegister dst, const Operand& src) { |
| 4404 | EnsureSpace ensure_space(this); |
| 4405 | emit(0x66); |
| 4406 | emit_optional_rex_32(dst, src); |
| 4407 | emit(0x0F); |
| 4408 | emit(0x38); |
| 4409 | emit(0x40); |
| 4410 | emit_sse_operand(dst, src); |
| 4411 | } |
| 4412 | |
| 4413 | void Assembler::pmuludq(XMMRegister dst, XMMRegister src) { |
| 4414 | EnsureSpace ensure_space(this); |
| 4415 | emit(0x66); |
| 4416 | emit_optional_rex_32(dst, src); |
| 4417 | emit(0x0F); |
| 4418 | emit(0xF4); |
| 4419 | emit_sse_operand(dst, src); |
| 4420 | } |
| 4421 | |
| 4422 | void Assembler::pmuludq(XMMRegister dst, const Operand& src) { |
| 4423 | EnsureSpace ensure_space(this); |
| 4424 | emit(0x66); |
| 4425 | emit_optional_rex_32(dst, src); |
| 4426 | emit(0x0F); |
| 4427 | emit(0xF4); |
| 4428 | emit_sse_operand(dst, src); |
| 4429 | } |
| 4430 | |
| 4431 | void Assembler::psrldq(XMMRegister dst, uint8_t shift) { |
| 4432 | EnsureSpace ensure_space(this); |
| 4433 | emit(0x66); |
| 4434 | emit_optional_rex_32(dst); |
| 4435 | emit(0x0F); |
| 4436 | emit(0x73); |
| 4437 | emit_sse_operand(dst); |
| 4438 | emit(shift); |
| 4439 | } |
| 4440 | |
| 4441 | void Assembler::cvtps2dq(XMMRegister dst, XMMRegister src) { |
| 4442 | EnsureSpace ensure_space(this); |
| 4443 | emit(0x66); |
| 4444 | emit_optional_rex_32(dst, src); |
| 4445 | emit(0x0F); |
| 4446 | emit(0x5B); |
| 4447 | emit_sse_operand(dst, src); |
| 4448 | } |
| 4449 | |
| 4450 | void Assembler::cvtps2dq(XMMRegister dst, const Operand& src) { |
| 4451 | EnsureSpace ensure_space(this); |
| 4452 | emit(0x66); |
| 4453 | emit_optional_rex_32(dst, src); |
| 4454 | emit(0x0F); |
| 4455 | emit(0x5B); |
| 4456 | emit_sse_operand(dst, src); |
| 4457 | } |
| 4458 | |
| 4459 | void Assembler::pshufd(XMMRegister dst, XMMRegister src, uint8_t shuffle) { |
| 4460 | EnsureSpace ensure_space(this); |
| 4461 | emit(0x66); |
| 4462 | emit_optional_rex_32(dst, src); |
| 4463 | emit(0x0F); |
| 4464 | emit(0x70); |
| 4465 | emit_sse_operand(dst, src); |
| 4466 | emit(shuffle); |
| 4467 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 4468 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4469 | void Assembler::emit_sse_operand(XMMRegister reg, const Operand& adr) { |
| 4470 | Register ireg = { reg.code() }; |
| 4471 | emit_operand(ireg, adr); |
| 4472 | } |
| 4473 | |
| 4474 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4475 | void Assembler::emit_sse_operand(Register reg, const Operand& adr) { |
| 4476 | Register ireg = {reg.code()}; |
| 4477 | emit_operand(ireg, adr); |
| 4478 | } |
| 4479 | |
| 4480 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4481 | void Assembler::emit_sse_operand(XMMRegister dst, XMMRegister src) { |
| 4482 | emit(0xC0 | (dst.low_bits() << 3) | src.low_bits()); |
| 4483 | } |
| 4484 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4485 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4486 | void Assembler::emit_sse_operand(XMMRegister dst, Register src) { |
| 4487 | emit(0xC0 | (dst.low_bits() << 3) | src.low_bits()); |
| 4488 | } |
| 4489 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4490 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 4491 | void Assembler::emit_sse_operand(Register dst, XMMRegister src) { |
| 4492 | emit(0xC0 | (dst.low_bits() << 3) | src.low_bits()); |
| 4493 | } |
| 4494 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 4495 | void Assembler::emit_sse_operand(XMMRegister dst) { |
| 4496 | emit(0xD8 | dst.low_bits()); |
| 4497 | } |
| 4498 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4499 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 4500 | void Assembler::db(uint8_t data) { |
| 4501 | EnsureSpace ensure_space(this); |
| 4502 | emit(data); |
| 4503 | } |
| 4504 | |
| 4505 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 4506 | void Assembler::dd(uint32_t data) { |
| 4507 | EnsureSpace ensure_space(this); |
| 4508 | emitl(data); |
| 4509 | } |
| 4510 | |
| 4511 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 4512 | void Assembler::dq(uint64_t data) { |
| 4513 | EnsureSpace ensure_space(this); |
| 4514 | emitq(data); |
| 4515 | } |
| 4516 | |
| 4517 | |
| 4518 | void Assembler::dq(Label* label) { |
| 4519 | EnsureSpace ensure_space(this); |
| 4520 | if (label->is_bound()) { |
| 4521 | internal_reference_positions_.push_back(pc_offset()); |
| 4522 | emitp(buffer_ + label->pos(), RelocInfo::INTERNAL_REFERENCE); |
| 4523 | } else { |
| 4524 | RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE); |
| 4525 | emitl(0); // Zero for the first 32bit marks it as 64bit absolute address. |
| 4526 | if (label->is_linked()) { |
| 4527 | emitl(label->pos()); |
| 4528 | label->link_to(pc_offset() - sizeof(int32_t)); |
| 4529 | } else { |
| 4530 | DCHECK(label->is_unused()); |
| 4531 | int32_t current = pc_offset(); |
| 4532 | emitl(current); |
| 4533 | label->link_to(current); |
| 4534 | } |
| 4535 | } |
| 4536 | } |
| 4537 | |
| 4538 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 4539 | // Relocation information implementations. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4540 | |
| 4541 | void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4542 | DCHECK(!RelocInfo::IsNone(rmode)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4543 | // Don't record external references unless the heap will be serialized. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4544 | if (rmode == RelocInfo::EXTERNAL_REFERENCE && |
| 4545 | !serializer_enabled() && !emit_debug_code()) { |
| 4546 | return; |
| 4547 | } else if (rmode == RelocInfo::CODE_AGE_SEQUENCE) { |
| 4548 | // Don't record psuedo relocation info for code age sequence mode. |
| 4549 | return; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4550 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 4551 | RelocInfo rinfo(isolate(), pc_, rmode, data, NULL); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4552 | reloc_info_writer.Write(&rinfo); |
| 4553 | } |
| 4554 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4555 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 4556 | const int RelocInfo::kApplyMask = RelocInfo::kCodeTargetMask | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4557 | 1 << RelocInfo::RUNTIME_ENTRY | |
| 4558 | 1 << RelocInfo::INTERNAL_REFERENCE | |
| 4559 | 1 << RelocInfo::CODE_AGE_SEQUENCE; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4560 | |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 4561 | |
| 4562 | bool RelocInfo::IsCodedSpecially() { |
| 4563 | // The deserializer needs to know whether a pointer is specially coded. Being |
| 4564 | // specially coded on x64 means that it is a relative 32 bit address, as used |
| 4565 | // by branch instructions. |
| 4566 | return (1 << rmode_) & kApplyMask; |
| 4567 | } |
| 4568 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 4569 | |
| 4570 | bool RelocInfo::IsInConstantPool() { |
| 4571 | return false; |
| 4572 | } |
| 4573 | |
| 4574 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 4575 | } // namespace internal |
| 4576 | } // namespace v8 |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 4577 | |
| 4578 | #endif // V8_TARGET_ARCH_X64 |