Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1 | // Copyright (c) 1994-2006 Sun Microsystems Inc. |
| 2 | // All Rights Reserved. |
| 3 | // |
| 4 | // Redistribution and use in source and binary forms, with or without |
| 5 | // modification, are permitted provided that the following conditions |
| 6 | // are met: |
| 7 | // |
| 8 | // - Redistributions of source code must retain the above copyright notice, |
| 9 | // this list of conditions and the following disclaimer. |
| 10 | // |
| 11 | // - Redistribution in binary form must reproduce the above copyright |
| 12 | // notice, this list of conditions and the following disclaimer in the |
| 13 | // documentation and/or other materials provided with the |
| 14 | // distribution. |
| 15 | // |
| 16 | // - Neither the name of Sun Microsystems or the names of contributors may |
| 17 | // be used to endorse or promote products derived from this software without |
| 18 | // specific prior written permission. |
| 19 | // |
| 20 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| 23 | // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| 24 | // COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 25 | // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 26 | // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 27 | // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 28 | // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 29 | // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 30 | // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 31 | // OF THE POSSIBILITY OF SUCH DAMAGE. |
| 32 | |
| 33 | // The original source code covered by the above license above has been modified |
| 34 | // significantly by Google Inc. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 35 | // Copyright 2012 the V8 project authors. All rights reserved. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 36 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 37 | #include "src/ia32/assembler-ia32.h" |
| 38 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 39 | #include <cstring> |
| 40 | |
| 41 | #if V8_TARGET_ARCH_IA32 |
| 42 | |
| 43 | #if V8_LIBC_MSVCRT |
| 44 | #include <intrin.h> // _xgetbv() |
| 45 | #endif |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 46 | #if V8_OS_MACOSX |
| 47 | #include <sys/sysctl.h> |
| 48 | #endif |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 49 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 50 | #include "src/base/bits.h" |
| 51 | #include "src/base/cpu.h" |
| 52 | #include "src/disassembler.h" |
| 53 | #include "src/macro-assembler.h" |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 54 | #include "src/v8.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 55 | |
| 56 | namespace v8 { |
| 57 | namespace internal { |
| 58 | |
| 59 | // ----------------------------------------------------------------------------- |
| 60 | // Implementation of CpuFeatures |
| 61 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 62 | namespace { |
| 63 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 64 | #if !V8_LIBC_MSVCRT |
| 65 | |
| 66 | V8_INLINE uint64_t _xgetbv(unsigned int xcr) { |
| 67 | unsigned eax, edx; |
| 68 | // Check xgetbv; this uses a .byte sequence instead of the instruction |
| 69 | // directly because older assemblers do not include support for xgetbv and |
| 70 | // there is no easy way to conditionally compile based on the assembler |
| 71 | // used. |
| 72 | __asm__ volatile(".byte 0x0f, 0x01, 0xd0" : "=a"(eax), "=d"(edx) : "c"(xcr)); |
| 73 | return static_cast<uint64_t>(eax) | (static_cast<uint64_t>(edx) << 32); |
| 74 | } |
| 75 | |
| 76 | #define _XCR_XFEATURE_ENABLED_MASK 0 |
| 77 | |
| 78 | #endif // !V8_LIBC_MSVCRT |
| 79 | |
| 80 | |
| 81 | bool OSHasAVXSupport() { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 82 | #if V8_OS_MACOSX |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 83 | // Mac OS X up to 10.9 has a bug where AVX transitions were indeed being |
| 84 | // 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] | 85 | char buffer[128]; |
| 86 | size_t buffer_size = arraysize(buffer); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 87 | int ctl_name[] = {CTL_KERN, KERN_OSRELEASE}; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 88 | if (sysctl(ctl_name, 2, buffer, &buffer_size, nullptr, 0) != 0) { |
| 89 | V8_Fatal(__FILE__, __LINE__, "V8 failed to get kernel version"); |
| 90 | } |
| 91 | // 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] | 92 | // XX is the major kernel version component. |
| 93 | char* period_pos = strchr(buffer, '.'); |
| 94 | DCHECK_NOT_NULL(period_pos); |
| 95 | *period_pos = '\0'; |
| 96 | long kernel_version_major = strtol(buffer, nullptr, 10); // NOLINT |
| 97 | if (kernel_version_major <= 13) return false; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 98 | #endif // V8_OS_MACOSX |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 99 | // Check whether OS claims to support AVX. |
| 100 | uint64_t feature_mask = _xgetbv(_XCR_XFEATURE_ENABLED_MASK); |
| 101 | return (feature_mask & 0x6) == 0x6; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | } // namespace |
| 105 | |
| 106 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 107 | void CpuFeatures::ProbeImpl(bool cross_compile) { |
| 108 | base::CPU cpu; |
| 109 | CHECK(cpu.has_sse2()); // SSE2 support is mandatory. |
| 110 | CHECK(cpu.has_cmov()); // CMOV support is mandatory. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 111 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 112 | // Only use statically determined features for cross compile (snapshot). |
| 113 | if (cross_compile) return; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 114 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 115 | if (cpu.has_sse41() && FLAG_enable_sse4_1) supported_ |= 1u << SSE4_1; |
| 116 | if (cpu.has_sse3() && FLAG_enable_sse3) supported_ |= 1u << SSE3; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 117 | if (cpu.has_avx() && FLAG_enable_avx && cpu.has_osxsave() && |
| 118 | OSHasAVXSupport()) { |
| 119 | supported_ |= 1u << AVX; |
| 120 | } |
| 121 | if (cpu.has_fma3() && FLAG_enable_fma3 && cpu.has_osxsave() && |
| 122 | OSHasAVXSupport()) { |
| 123 | supported_ |= 1u << FMA3; |
| 124 | } |
| 125 | if (cpu.has_bmi1() && FLAG_enable_bmi1) supported_ |= 1u << BMI1; |
| 126 | if (cpu.has_bmi2() && FLAG_enable_bmi2) supported_ |= 1u << BMI2; |
| 127 | if (cpu.has_lzcnt() && FLAG_enable_lzcnt) supported_ |= 1u << LZCNT; |
| 128 | if (cpu.has_popcnt() && FLAG_enable_popcnt) supported_ |= 1u << POPCNT; |
| 129 | if (strcmp(FLAG_mcpu, "auto") == 0) { |
| 130 | if (cpu.is_atom()) supported_ |= 1u << ATOM; |
| 131 | } else if (strcmp(FLAG_mcpu, "atom") == 0) { |
| 132 | supported_ |= 1u << ATOM; |
| 133 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 137 | void CpuFeatures::PrintTarget() { } |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 138 | void CpuFeatures::PrintFeatures() { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 139 | printf( |
| 140 | "SSE3=%d SSE4_1=%d AVX=%d FMA3=%d BMI1=%d BMI2=%d LZCNT=%d POPCNT=%d " |
| 141 | "ATOM=%d\n", |
| 142 | CpuFeatures::IsSupported(SSE3), CpuFeatures::IsSupported(SSE4_1), |
| 143 | CpuFeatures::IsSupported(AVX), CpuFeatures::IsSupported(FMA3), |
| 144 | CpuFeatures::IsSupported(BMI1), CpuFeatures::IsSupported(BMI2), |
| 145 | CpuFeatures::IsSupported(LZCNT), CpuFeatures::IsSupported(POPCNT), |
| 146 | CpuFeatures::IsSupported(ATOM)); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 147 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 148 | |
| 149 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 150 | // ----------------------------------------------------------------------------- |
| 151 | // Implementation of Displacement |
| 152 | |
| 153 | void Displacement::init(Label* L, Type type) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 154 | DCHECK(!L->is_bound()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 155 | int next = 0; |
| 156 | if (L->is_linked()) { |
| 157 | next = L->pos(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 158 | DCHECK(next > 0); // Displacements must be at positions > 0 |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 159 | } |
| 160 | // Ensure that we _never_ overflow the next field. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 161 | DCHECK(NextField::is_valid(Assembler::kMaximalBufferSize)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 162 | data_ = NextField::encode(next) | TypeField::encode(type); |
| 163 | } |
| 164 | |
| 165 | |
| 166 | // ----------------------------------------------------------------------------- |
| 167 | // Implementation of RelocInfo |
| 168 | |
| 169 | |
| 170 | const int RelocInfo::kApplyMask = |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 171 | RelocInfo::kCodeTargetMask | 1 << RelocInfo::RUNTIME_ENTRY | |
| 172 | 1 << RelocInfo::INTERNAL_REFERENCE | 1 << RelocInfo::CODE_AGE_SEQUENCE | |
| 173 | RelocInfo::kDebugBreakSlotMask; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 174 | |
| 175 | |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 176 | bool RelocInfo::IsCodedSpecially() { |
| 177 | // The deserializer needs to know whether a pointer is specially coded. Being |
| 178 | // specially coded on IA32 means that it is a relative address, as used by |
| 179 | // branch instructions. These are also the ones that need changing when a |
| 180 | // code object moves. |
| 181 | return (1 << rmode_) & kApplyMask; |
| 182 | } |
| 183 | |
| 184 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 185 | bool RelocInfo::IsInConstantPool() { |
| 186 | return false; |
| 187 | } |
| 188 | |
| 189 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 190 | // ----------------------------------------------------------------------------- |
| 191 | // Implementation of Operand |
| 192 | |
| 193 | Operand::Operand(Register base, int32_t disp, RelocInfo::Mode rmode) { |
| 194 | // [base + disp/r] |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 195 | if (disp == 0 && RelocInfo::IsNone(rmode) && !base.is(ebp)) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 196 | // [base] |
| 197 | set_modrm(0, base); |
| 198 | if (base.is(esp)) set_sib(times_1, esp, base); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 199 | } else if (is_int8(disp) && RelocInfo::IsNone(rmode)) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 200 | // [base + disp8] |
| 201 | set_modrm(1, base); |
| 202 | if (base.is(esp)) set_sib(times_1, esp, base); |
| 203 | set_disp8(disp); |
| 204 | } else { |
| 205 | // [base + disp/r] |
| 206 | set_modrm(2, base); |
| 207 | if (base.is(esp)) set_sib(times_1, esp, base); |
| 208 | set_dispr(disp, rmode); |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | |
| 213 | Operand::Operand(Register base, |
| 214 | Register index, |
| 215 | ScaleFactor scale, |
| 216 | int32_t disp, |
| 217 | RelocInfo::Mode rmode) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 218 | DCHECK(!index.is(esp)); // illegal addressing mode |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 219 | // [base + index*scale + disp/r] |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 220 | if (disp == 0 && RelocInfo::IsNone(rmode) && !base.is(ebp)) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 221 | // [base + index*scale] |
| 222 | set_modrm(0, esp); |
| 223 | set_sib(scale, index, base); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 224 | } else if (is_int8(disp) && RelocInfo::IsNone(rmode)) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 225 | // [base + index*scale + disp8] |
| 226 | set_modrm(1, esp); |
| 227 | set_sib(scale, index, base); |
| 228 | set_disp8(disp); |
| 229 | } else { |
| 230 | // [base + index*scale + disp/r] |
| 231 | set_modrm(2, esp); |
| 232 | set_sib(scale, index, base); |
| 233 | set_dispr(disp, rmode); |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | |
| 238 | Operand::Operand(Register index, |
| 239 | ScaleFactor scale, |
| 240 | int32_t disp, |
| 241 | RelocInfo::Mode rmode) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 242 | DCHECK(!index.is(esp)); // illegal addressing mode |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 243 | // [index*scale + disp/r] |
| 244 | set_modrm(0, esp); |
| 245 | set_sib(scale, index, ebp); |
| 246 | set_dispr(disp, rmode); |
| 247 | } |
| 248 | |
| 249 | |
| 250 | bool Operand::is_reg(Register reg) const { |
| 251 | return ((buf_[0] & 0xF8) == 0xC0) // addressing mode is register only. |
| 252 | && ((buf_[0] & 0x07) == reg.code()); // register codes match. |
| 253 | } |
| 254 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 255 | |
| 256 | bool Operand::is_reg_only() const { |
| 257 | return (buf_[0] & 0xF8) == 0xC0; // Addressing mode is register only. |
| 258 | } |
| 259 | |
| 260 | |
| 261 | Register Operand::reg() const { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 262 | DCHECK(is_reg_only()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 263 | return Register::from_code(buf_[0] & 0x07); |
| 264 | } |
| 265 | |
| 266 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 267 | // ----------------------------------------------------------------------------- |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 268 | // Implementation of Assembler. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 269 | |
| 270 | // Emit a single byte. Must always be inlined. |
| 271 | #define EMIT(x) \ |
| 272 | *pc_++ = (x) |
| 273 | |
| 274 | |
| 275 | #ifdef GENERATED_CODE_COVERAGE |
| 276 | static void InitCoverageLog(); |
| 277 | #endif |
| 278 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 279 | Assembler::Assembler(Isolate* isolate, void* buffer, int buffer_size) |
| 280 | : AssemblerBase(isolate, buffer, buffer_size), |
| 281 | positions_recorder_(this) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 282 | // Clear the buffer in debug mode unless it was provided by the |
| 283 | // caller in which case we can't be sure it's okay to overwrite |
| 284 | // existing code in it; see CodePatcher::CodePatcher(...). |
| 285 | #ifdef DEBUG |
| 286 | if (own_buffer_) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 287 | memset(buffer_, 0xCC, buffer_size_); // int3 |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 288 | } |
| 289 | #endif |
| 290 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 291 | reloc_info_writer.Reposition(buffer_ + buffer_size_, pc_); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 292 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 293 | #ifdef GENERATED_CODE_COVERAGE |
| 294 | InitCoverageLog(); |
| 295 | #endif |
| 296 | } |
| 297 | |
| 298 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 299 | void Assembler::GetCode(CodeDesc* desc) { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 300 | // Finalize code (at this point overflow() may be true, but the gap ensures |
| 301 | // that we are still not overlapping instructions and relocation info). |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 302 | reloc_info_writer.Finish(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 303 | DCHECK(pc_ <= reloc_info_writer.pos()); // No overlap. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 304 | // Set up code descriptor. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 305 | desc->buffer = buffer_; |
| 306 | desc->buffer_size = buffer_size_; |
| 307 | desc->instr_size = pc_offset(); |
| 308 | desc->reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos(); |
| 309 | desc->origin = this; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 310 | desc->constant_pool_size = 0; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 311 | } |
| 312 | |
| 313 | |
| 314 | void Assembler::Align(int m) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 315 | DCHECK(base::bits::IsPowerOfTwo32(m)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 316 | int mask = m - 1; |
| 317 | int addr = pc_offset(); |
| 318 | Nop((m - (addr & mask)) & mask); |
| 319 | } |
| 320 | |
| 321 | |
| 322 | bool Assembler::IsNop(Address addr) { |
| 323 | Address a = addr; |
| 324 | while (*a == 0x66) a++; |
| 325 | if (*a == 0x90) return true; |
| 326 | if (a[0] == 0xf && a[1] == 0x1f) return true; |
| 327 | return false; |
| 328 | } |
| 329 | |
| 330 | |
| 331 | void Assembler::Nop(int bytes) { |
| 332 | EnsureSpace ensure_space(this); |
| 333 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 334 | // Multi byte nops from http://support.amd.com/us/Processor_TechDocs/40546.pdf |
| 335 | while (bytes > 0) { |
| 336 | switch (bytes) { |
| 337 | case 2: |
| 338 | EMIT(0x66); |
| 339 | case 1: |
| 340 | EMIT(0x90); |
| 341 | return; |
| 342 | case 3: |
| 343 | EMIT(0xf); |
| 344 | EMIT(0x1f); |
| 345 | EMIT(0); |
| 346 | return; |
| 347 | case 4: |
| 348 | EMIT(0xf); |
| 349 | EMIT(0x1f); |
| 350 | EMIT(0x40); |
| 351 | EMIT(0); |
| 352 | return; |
| 353 | case 6: |
| 354 | EMIT(0x66); |
| 355 | case 5: |
| 356 | EMIT(0xf); |
| 357 | EMIT(0x1f); |
| 358 | EMIT(0x44); |
| 359 | EMIT(0); |
| 360 | EMIT(0); |
| 361 | return; |
| 362 | case 7: |
| 363 | EMIT(0xf); |
| 364 | EMIT(0x1f); |
| 365 | EMIT(0x80); |
| 366 | EMIT(0); |
| 367 | EMIT(0); |
| 368 | EMIT(0); |
| 369 | EMIT(0); |
| 370 | return; |
| 371 | default: |
| 372 | case 11: |
| 373 | EMIT(0x66); |
| 374 | bytes--; |
| 375 | case 10: |
| 376 | EMIT(0x66); |
| 377 | bytes--; |
| 378 | case 9: |
| 379 | EMIT(0x66); |
| 380 | bytes--; |
| 381 | case 8: |
| 382 | EMIT(0xf); |
| 383 | EMIT(0x1f); |
| 384 | EMIT(0x84); |
| 385 | EMIT(0); |
| 386 | EMIT(0); |
| 387 | EMIT(0); |
| 388 | EMIT(0); |
| 389 | EMIT(0); |
| 390 | bytes -= 8; |
| 391 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 392 | } |
| 393 | } |
| 394 | |
| 395 | |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 396 | void Assembler::CodeTargetAlign() { |
| 397 | Align(16); // Preferred alignment of jump targets on ia32. |
| 398 | } |
| 399 | |
| 400 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 401 | void Assembler::cpuid() { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 402 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 403 | EMIT(0x0F); |
| 404 | EMIT(0xA2); |
| 405 | } |
| 406 | |
| 407 | |
| 408 | void Assembler::pushad() { |
| 409 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 410 | EMIT(0x60); |
| 411 | } |
| 412 | |
| 413 | |
| 414 | void Assembler::popad() { |
| 415 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 416 | EMIT(0x61); |
| 417 | } |
| 418 | |
| 419 | |
| 420 | void Assembler::pushfd() { |
| 421 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 422 | EMIT(0x9C); |
| 423 | } |
| 424 | |
| 425 | |
| 426 | void Assembler::popfd() { |
| 427 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 428 | EMIT(0x9D); |
| 429 | } |
| 430 | |
| 431 | |
| 432 | void Assembler::push(const Immediate& x) { |
| 433 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 434 | if (x.is_int8()) { |
| 435 | EMIT(0x6a); |
| 436 | EMIT(x.x_); |
| 437 | } else { |
| 438 | EMIT(0x68); |
| 439 | emit(x); |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 444 | void Assembler::push_imm32(int32_t imm32) { |
| 445 | EnsureSpace ensure_space(this); |
| 446 | EMIT(0x68); |
| 447 | emit(imm32); |
| 448 | } |
| 449 | |
| 450 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 451 | void Assembler::push(Register src) { |
| 452 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 453 | EMIT(0x50 | src.code()); |
| 454 | } |
| 455 | |
| 456 | |
| 457 | void Assembler::push(const Operand& src) { |
| 458 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 459 | EMIT(0xFF); |
| 460 | emit_operand(esi, src); |
| 461 | } |
| 462 | |
| 463 | |
| 464 | void Assembler::pop(Register dst) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 465 | DCHECK(reloc_info_writer.last_pc() != NULL); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 466 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 467 | EMIT(0x58 | dst.code()); |
| 468 | } |
| 469 | |
| 470 | |
| 471 | void Assembler::pop(const Operand& dst) { |
| 472 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 473 | EMIT(0x8F); |
| 474 | emit_operand(eax, dst); |
| 475 | } |
| 476 | |
| 477 | |
| 478 | void Assembler::enter(const Immediate& size) { |
| 479 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 480 | EMIT(0xC8); |
| 481 | emit_w(size); |
| 482 | EMIT(0); |
| 483 | } |
| 484 | |
| 485 | |
| 486 | void Assembler::leave() { |
| 487 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 488 | EMIT(0xC9); |
| 489 | } |
| 490 | |
| 491 | |
| 492 | void Assembler::mov_b(Register dst, const Operand& src) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 493 | CHECK(dst.is_byte_register()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 494 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 495 | EMIT(0x8A); |
| 496 | emit_operand(dst, src); |
| 497 | } |
| 498 | |
| 499 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 500 | void Assembler::mov_b(const Operand& dst, const Immediate& src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 501 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 502 | EMIT(0xC6); |
| 503 | emit_operand(eax, dst); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 504 | EMIT(static_cast<int8_t>(src.x_)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 505 | } |
| 506 | |
| 507 | |
| 508 | void Assembler::mov_b(const Operand& dst, Register src) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 509 | CHECK(src.is_byte_register()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 510 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 511 | EMIT(0x88); |
| 512 | emit_operand(src, dst); |
| 513 | } |
| 514 | |
| 515 | |
| 516 | void Assembler::mov_w(Register dst, const Operand& src) { |
| 517 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 518 | EMIT(0x66); |
| 519 | EMIT(0x8B); |
| 520 | emit_operand(dst, src); |
| 521 | } |
| 522 | |
| 523 | |
| 524 | void Assembler::mov_w(const Operand& dst, Register src) { |
| 525 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 526 | EMIT(0x66); |
| 527 | EMIT(0x89); |
| 528 | emit_operand(src, dst); |
| 529 | } |
| 530 | |
| 531 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 532 | void Assembler::mov_w(const Operand& dst, const Immediate& src) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 533 | EnsureSpace ensure_space(this); |
| 534 | EMIT(0x66); |
| 535 | EMIT(0xC7); |
| 536 | emit_operand(eax, dst); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 537 | EMIT(static_cast<int8_t>(src.x_ & 0xff)); |
| 538 | EMIT(static_cast<int8_t>(src.x_ >> 8)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 539 | } |
| 540 | |
| 541 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 542 | void Assembler::mov(Register dst, int32_t imm32) { |
| 543 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 544 | EMIT(0xB8 | dst.code()); |
| 545 | emit(imm32); |
| 546 | } |
| 547 | |
| 548 | |
| 549 | void Assembler::mov(Register dst, const Immediate& x) { |
| 550 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 551 | EMIT(0xB8 | dst.code()); |
| 552 | emit(x); |
| 553 | } |
| 554 | |
| 555 | |
| 556 | void Assembler::mov(Register dst, Handle<Object> handle) { |
| 557 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 558 | EMIT(0xB8 | dst.code()); |
| 559 | emit(handle); |
| 560 | } |
| 561 | |
| 562 | |
| 563 | void Assembler::mov(Register dst, const Operand& src) { |
| 564 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 565 | EMIT(0x8B); |
| 566 | emit_operand(dst, src); |
| 567 | } |
| 568 | |
| 569 | |
| 570 | void Assembler::mov(Register dst, Register src) { |
| 571 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 572 | EMIT(0x89); |
| 573 | EMIT(0xC0 | src.code() << 3 | dst.code()); |
| 574 | } |
| 575 | |
| 576 | |
| 577 | void Assembler::mov(const Operand& dst, const Immediate& x) { |
| 578 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 579 | EMIT(0xC7); |
| 580 | emit_operand(eax, dst); |
| 581 | emit(x); |
| 582 | } |
| 583 | |
| 584 | |
| 585 | void Assembler::mov(const Operand& dst, Handle<Object> handle) { |
| 586 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 587 | EMIT(0xC7); |
| 588 | emit_operand(eax, dst); |
| 589 | emit(handle); |
| 590 | } |
| 591 | |
| 592 | |
| 593 | void Assembler::mov(const Operand& dst, Register src) { |
| 594 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 595 | EMIT(0x89); |
| 596 | emit_operand(src, dst); |
| 597 | } |
| 598 | |
| 599 | |
| 600 | void Assembler::movsx_b(Register dst, const Operand& src) { |
| 601 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 602 | EMIT(0x0F); |
| 603 | EMIT(0xBE); |
| 604 | emit_operand(dst, src); |
| 605 | } |
| 606 | |
| 607 | |
| 608 | void Assembler::movsx_w(Register dst, const Operand& src) { |
| 609 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 610 | EMIT(0x0F); |
| 611 | EMIT(0xBF); |
| 612 | emit_operand(dst, src); |
| 613 | } |
| 614 | |
| 615 | |
| 616 | void Assembler::movzx_b(Register dst, const Operand& src) { |
| 617 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 618 | EMIT(0x0F); |
| 619 | EMIT(0xB6); |
| 620 | emit_operand(dst, src); |
| 621 | } |
| 622 | |
| 623 | |
| 624 | void Assembler::movzx_w(Register dst, const Operand& src) { |
| 625 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 626 | EMIT(0x0F); |
| 627 | EMIT(0xB7); |
| 628 | emit_operand(dst, src); |
| 629 | } |
| 630 | |
| 631 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 632 | void Assembler::cmov(Condition cc, Register dst, const Operand& src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 633 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 634 | // Opcode: 0f 40 + cc /r. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 635 | EMIT(0x0F); |
| 636 | EMIT(0x40 + cc); |
| 637 | emit_operand(dst, src); |
| 638 | } |
| 639 | |
| 640 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 641 | void Assembler::cld() { |
| 642 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 643 | EMIT(0xFC); |
| 644 | } |
| 645 | |
| 646 | |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 647 | void Assembler::rep_movs() { |
| 648 | EnsureSpace ensure_space(this); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 649 | EMIT(0xF3); |
| 650 | EMIT(0xA5); |
| 651 | } |
| 652 | |
| 653 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 654 | void Assembler::rep_stos() { |
| 655 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 656 | EMIT(0xF3); |
| 657 | EMIT(0xAB); |
| 658 | } |
| 659 | |
| 660 | |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 661 | void Assembler::stos() { |
| 662 | EnsureSpace ensure_space(this); |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 663 | EMIT(0xAB); |
| 664 | } |
| 665 | |
| 666 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 667 | void Assembler::xchg(Register dst, Register src) { |
| 668 | EnsureSpace ensure_space(this); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 669 | if (src.is(eax) || dst.is(eax)) { // Single-byte encoding. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 670 | EMIT(0x90 | (src.is(eax) ? dst.code() : src.code())); |
| 671 | } else { |
| 672 | EMIT(0x87); |
| 673 | EMIT(0xC0 | src.code() << 3 | dst.code()); |
| 674 | } |
| 675 | } |
| 676 | |
| 677 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 678 | void Assembler::xchg(Register dst, const Operand& src) { |
| 679 | EnsureSpace ensure_space(this); |
| 680 | EMIT(0x87); |
| 681 | emit_operand(dst, src); |
| 682 | } |
| 683 | |
| 684 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 685 | void Assembler::adc(Register dst, int32_t imm32) { |
| 686 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 687 | emit_arith(2, Operand(dst), Immediate(imm32)); |
| 688 | } |
| 689 | |
| 690 | |
| 691 | void Assembler::adc(Register dst, const Operand& src) { |
| 692 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 693 | EMIT(0x13); |
| 694 | emit_operand(dst, src); |
| 695 | } |
| 696 | |
| 697 | |
| 698 | void Assembler::add(Register dst, const Operand& src) { |
| 699 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 700 | EMIT(0x03); |
| 701 | emit_operand(dst, src); |
| 702 | } |
| 703 | |
| 704 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 705 | void Assembler::add(const Operand& dst, Register src) { |
| 706 | EnsureSpace ensure_space(this); |
| 707 | EMIT(0x01); |
| 708 | emit_operand(src, dst); |
| 709 | } |
| 710 | |
| 711 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 712 | void Assembler::add(const Operand& dst, const Immediate& x) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 713 | DCHECK(reloc_info_writer.last_pc() != NULL); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 714 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 715 | emit_arith(0, dst, x); |
| 716 | } |
| 717 | |
| 718 | |
| 719 | void Assembler::and_(Register dst, int32_t imm32) { |
Steve Block | 5915150 | 2010-09-22 15:07:15 +0100 | [diff] [blame] | 720 | and_(dst, Immediate(imm32)); |
| 721 | } |
| 722 | |
| 723 | |
| 724 | void Assembler::and_(Register dst, const Immediate& x) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 725 | EnsureSpace ensure_space(this); |
Steve Block | 5915150 | 2010-09-22 15:07:15 +0100 | [diff] [blame] | 726 | emit_arith(4, Operand(dst), x); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 727 | } |
| 728 | |
| 729 | |
| 730 | void Assembler::and_(Register dst, const Operand& src) { |
| 731 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 732 | EMIT(0x23); |
| 733 | emit_operand(dst, src); |
| 734 | } |
| 735 | |
| 736 | |
| 737 | void Assembler::and_(const Operand& dst, const Immediate& x) { |
| 738 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 739 | emit_arith(4, dst, x); |
| 740 | } |
| 741 | |
| 742 | |
| 743 | void Assembler::and_(const Operand& dst, Register src) { |
| 744 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 745 | EMIT(0x21); |
| 746 | emit_operand(src, dst); |
| 747 | } |
| 748 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 749 | void Assembler::cmpb(const Operand& op, Immediate imm8) { |
| 750 | DCHECK(imm8.is_int8() || imm8.is_uint8()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 751 | EnsureSpace ensure_space(this); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 752 | if (op.is_reg(eax)) { |
| 753 | EMIT(0x3C); |
| 754 | } else { |
| 755 | EMIT(0x80); |
| 756 | emit_operand(edi, op); // edi == 7 |
| 757 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 758 | emit_b(imm8); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 759 | } |
| 760 | |
| 761 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 762 | void Assembler::cmpb(const Operand& op, Register reg) { |
| 763 | CHECK(reg.is_byte_register()); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 764 | EnsureSpace ensure_space(this); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 765 | EMIT(0x38); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 766 | emit_operand(reg, op); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 767 | } |
| 768 | |
| 769 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 770 | void Assembler::cmpb(Register reg, const Operand& op) { |
| 771 | CHECK(reg.is_byte_register()); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 772 | EnsureSpace ensure_space(this); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 773 | EMIT(0x3A); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 774 | emit_operand(reg, op); |
Leon Clarke | d91b9f7 | 2010-01-27 17:25:45 +0000 | [diff] [blame] | 775 | } |
| 776 | |
| 777 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 778 | void Assembler::cmpw(const Operand& op, Immediate imm16) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 779 | DCHECK(imm16.is_int16()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 780 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 781 | EMIT(0x66); |
| 782 | EMIT(0x81); |
| 783 | emit_operand(edi, op); |
| 784 | emit_w(imm16); |
| 785 | } |
| 786 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 787 | void Assembler::cmpw(Register reg, const Operand& op) { |
| 788 | EnsureSpace ensure_space(this); |
| 789 | EMIT(0x66); |
| 790 | EMIT(0x39); |
| 791 | emit_operand(reg, op); |
| 792 | } |
| 793 | |
| 794 | void Assembler::cmpw(const Operand& op, Register reg) { |
| 795 | EnsureSpace ensure_space(this); |
| 796 | EMIT(0x66); |
| 797 | EMIT(0x3B); |
| 798 | emit_operand(reg, op); |
| 799 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 800 | |
| 801 | void Assembler::cmp(Register reg, int32_t imm32) { |
| 802 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 803 | emit_arith(7, Operand(reg), Immediate(imm32)); |
| 804 | } |
| 805 | |
| 806 | |
| 807 | void Assembler::cmp(Register reg, Handle<Object> handle) { |
| 808 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 809 | emit_arith(7, Operand(reg), Immediate(handle)); |
| 810 | } |
| 811 | |
| 812 | |
| 813 | void Assembler::cmp(Register reg, const Operand& op) { |
| 814 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 815 | EMIT(0x3B); |
| 816 | emit_operand(reg, op); |
| 817 | } |
| 818 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 819 | void Assembler::cmp(const Operand& op, Register reg) { |
| 820 | EnsureSpace ensure_space(this); |
| 821 | EMIT(0x39); |
| 822 | emit_operand(reg, op); |
| 823 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 824 | |
| 825 | void Assembler::cmp(const Operand& op, const Immediate& imm) { |
| 826 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 827 | emit_arith(7, op, imm); |
| 828 | } |
| 829 | |
| 830 | |
| 831 | void Assembler::cmp(const Operand& op, Handle<Object> handle) { |
| 832 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 833 | emit_arith(7, op, Immediate(handle)); |
| 834 | } |
| 835 | |
| 836 | |
| 837 | void Assembler::cmpb_al(const Operand& op) { |
| 838 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 839 | EMIT(0x38); // CMP r/m8, r8 |
| 840 | emit_operand(eax, op); // eax has same code as register al. |
| 841 | } |
| 842 | |
| 843 | |
| 844 | void Assembler::cmpw_ax(const Operand& op) { |
| 845 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 846 | EMIT(0x66); |
| 847 | EMIT(0x39); // CMP r/m16, r16 |
| 848 | emit_operand(eax, op); // eax has same code as register ax. |
| 849 | } |
| 850 | |
| 851 | |
| 852 | void Assembler::dec_b(Register dst) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 853 | CHECK(dst.is_byte_register()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 854 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 855 | EMIT(0xFE); |
| 856 | EMIT(0xC8 | dst.code()); |
| 857 | } |
| 858 | |
| 859 | |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 860 | void Assembler::dec_b(const Operand& dst) { |
| 861 | EnsureSpace ensure_space(this); |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 862 | EMIT(0xFE); |
| 863 | emit_operand(ecx, dst); |
| 864 | } |
| 865 | |
| 866 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 867 | void Assembler::dec(Register dst) { |
| 868 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 869 | EMIT(0x48 | dst.code()); |
| 870 | } |
| 871 | |
| 872 | |
| 873 | void Assembler::dec(const Operand& dst) { |
| 874 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 875 | EMIT(0xFF); |
| 876 | emit_operand(ecx, dst); |
| 877 | } |
| 878 | |
| 879 | |
| 880 | void Assembler::cdq() { |
| 881 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 882 | EMIT(0x99); |
| 883 | } |
| 884 | |
| 885 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 886 | void Assembler::idiv(const Operand& src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 887 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 888 | EMIT(0xF7); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 889 | emit_operand(edi, src); |
| 890 | } |
| 891 | |
| 892 | |
| 893 | void Assembler::div(const Operand& src) { |
| 894 | EnsureSpace ensure_space(this); |
| 895 | EMIT(0xF7); |
| 896 | emit_operand(esi, src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 897 | } |
| 898 | |
| 899 | |
| 900 | void Assembler::imul(Register reg) { |
| 901 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 902 | EMIT(0xF7); |
| 903 | EMIT(0xE8 | reg.code()); |
| 904 | } |
| 905 | |
| 906 | |
| 907 | void Assembler::imul(Register dst, const Operand& src) { |
| 908 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 909 | EMIT(0x0F); |
| 910 | EMIT(0xAF); |
| 911 | emit_operand(dst, src); |
| 912 | } |
| 913 | |
| 914 | |
| 915 | void Assembler::imul(Register dst, Register src, int32_t imm32) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 916 | imul(dst, Operand(src), imm32); |
| 917 | } |
| 918 | |
| 919 | |
| 920 | void Assembler::imul(Register dst, const Operand& src, int32_t imm32) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 921 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 922 | if (is_int8(imm32)) { |
| 923 | EMIT(0x6B); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 924 | emit_operand(dst, src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 925 | EMIT(imm32); |
| 926 | } else { |
| 927 | EMIT(0x69); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 928 | emit_operand(dst, src); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 929 | emit(imm32); |
| 930 | } |
| 931 | } |
| 932 | |
| 933 | |
| 934 | void Assembler::inc(Register dst) { |
| 935 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 936 | EMIT(0x40 | dst.code()); |
| 937 | } |
| 938 | |
| 939 | |
| 940 | void Assembler::inc(const Operand& dst) { |
| 941 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 942 | EMIT(0xFF); |
| 943 | emit_operand(eax, dst); |
| 944 | } |
| 945 | |
| 946 | |
| 947 | void Assembler::lea(Register dst, const Operand& src) { |
| 948 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 949 | EMIT(0x8D); |
| 950 | emit_operand(dst, src); |
| 951 | } |
| 952 | |
| 953 | |
| 954 | void Assembler::mul(Register src) { |
| 955 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 956 | EMIT(0xF7); |
| 957 | EMIT(0xE0 | src.code()); |
| 958 | } |
| 959 | |
| 960 | |
| 961 | void Assembler::neg(Register dst) { |
| 962 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 963 | EMIT(0xF7); |
| 964 | EMIT(0xD8 | dst.code()); |
| 965 | } |
| 966 | |
| 967 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 968 | void Assembler::neg(const Operand& dst) { |
| 969 | EnsureSpace ensure_space(this); |
| 970 | EMIT(0xF7); |
| 971 | emit_operand(ebx, dst); |
| 972 | } |
| 973 | |
| 974 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 975 | void Assembler::not_(Register dst) { |
| 976 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 977 | EMIT(0xF7); |
| 978 | EMIT(0xD0 | dst.code()); |
| 979 | } |
| 980 | |
| 981 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 982 | void Assembler::not_(const Operand& dst) { |
| 983 | EnsureSpace ensure_space(this); |
| 984 | EMIT(0xF7); |
| 985 | emit_operand(edx, dst); |
| 986 | } |
| 987 | |
| 988 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 989 | void Assembler::or_(Register dst, int32_t imm32) { |
| 990 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 991 | emit_arith(1, Operand(dst), Immediate(imm32)); |
| 992 | } |
| 993 | |
| 994 | |
| 995 | void Assembler::or_(Register dst, const Operand& src) { |
| 996 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 997 | EMIT(0x0B); |
| 998 | emit_operand(dst, src); |
| 999 | } |
| 1000 | |
| 1001 | |
| 1002 | void Assembler::or_(const Operand& dst, const Immediate& x) { |
| 1003 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1004 | emit_arith(1, dst, x); |
| 1005 | } |
| 1006 | |
| 1007 | |
| 1008 | void Assembler::or_(const Operand& dst, Register src) { |
| 1009 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1010 | EMIT(0x09); |
| 1011 | emit_operand(src, dst); |
| 1012 | } |
| 1013 | |
| 1014 | |
| 1015 | void Assembler::rcl(Register dst, uint8_t imm8) { |
| 1016 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1017 | DCHECK(is_uint5(imm8)); // illegal shift count |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1018 | if (imm8 == 1) { |
| 1019 | EMIT(0xD1); |
| 1020 | EMIT(0xD0 | dst.code()); |
| 1021 | } else { |
| 1022 | EMIT(0xC1); |
| 1023 | EMIT(0xD0 | dst.code()); |
| 1024 | EMIT(imm8); |
| 1025 | } |
| 1026 | } |
| 1027 | |
| 1028 | |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 1029 | void Assembler::rcr(Register dst, uint8_t imm8) { |
| 1030 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1031 | DCHECK(is_uint5(imm8)); // illegal shift count |
Iain Merrick | 7568138 | 2010-08-19 15:07:18 +0100 | [diff] [blame] | 1032 | if (imm8 == 1) { |
| 1033 | EMIT(0xD1); |
| 1034 | EMIT(0xD8 | dst.code()); |
| 1035 | } else { |
| 1036 | EMIT(0xC1); |
| 1037 | EMIT(0xD8 | dst.code()); |
| 1038 | EMIT(imm8); |
| 1039 | } |
| 1040 | } |
| 1041 | |
| 1042 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1043 | void Assembler::ror(const Operand& dst, uint8_t imm8) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1044 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1045 | DCHECK(is_uint5(imm8)); // illegal shift count |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1046 | if (imm8 == 1) { |
| 1047 | EMIT(0xD1); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1048 | emit_operand(ecx, dst); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1049 | } else { |
| 1050 | EMIT(0xC1); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1051 | emit_operand(ecx, dst); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1052 | EMIT(imm8); |
| 1053 | } |
| 1054 | } |
| 1055 | |
| 1056 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1057 | void Assembler::ror_cl(const Operand& dst) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1058 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1059 | EMIT(0xD3); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1060 | emit_operand(ecx, dst); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1061 | } |
| 1062 | |
| 1063 | |
| 1064 | void Assembler::sar(const Operand& dst, uint8_t imm8) { |
| 1065 | EnsureSpace ensure_space(this); |
| 1066 | DCHECK(is_uint5(imm8)); // illegal shift count |
| 1067 | if (imm8 == 1) { |
| 1068 | EMIT(0xD1); |
| 1069 | emit_operand(edi, dst); |
| 1070 | } else { |
| 1071 | EMIT(0xC1); |
| 1072 | emit_operand(edi, dst); |
| 1073 | EMIT(imm8); |
| 1074 | } |
| 1075 | } |
| 1076 | |
| 1077 | |
| 1078 | void Assembler::sar_cl(const Operand& dst) { |
| 1079 | EnsureSpace ensure_space(this); |
| 1080 | EMIT(0xD3); |
| 1081 | emit_operand(edi, dst); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1082 | } |
| 1083 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1084 | void Assembler::sbb(Register dst, const Operand& src) { |
| 1085 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1086 | EMIT(0x1B); |
| 1087 | emit_operand(dst, src); |
| 1088 | } |
| 1089 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1090 | void Assembler::shld(Register dst, Register src, uint8_t shift) { |
| 1091 | DCHECK(is_uint5(shift)); |
| 1092 | EnsureSpace ensure_space(this); |
| 1093 | EMIT(0x0F); |
| 1094 | EMIT(0xA4); |
| 1095 | emit_operand(src, Operand(dst)); |
| 1096 | EMIT(shift); |
| 1097 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1098 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1099 | void Assembler::shld_cl(Register dst, Register src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1100 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1101 | EMIT(0x0F); |
| 1102 | EMIT(0xA5); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1103 | emit_operand(src, Operand(dst)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1104 | } |
| 1105 | |
| 1106 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1107 | void Assembler::shl(const Operand& dst, uint8_t imm8) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1108 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1109 | DCHECK(is_uint5(imm8)); // illegal shift count |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1110 | if (imm8 == 1) { |
| 1111 | EMIT(0xD1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1112 | emit_operand(esp, dst); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1113 | } else { |
| 1114 | EMIT(0xC1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1115 | emit_operand(esp, dst); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1116 | EMIT(imm8); |
| 1117 | } |
| 1118 | } |
| 1119 | |
| 1120 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1121 | void Assembler::shl_cl(const Operand& dst) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1122 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1123 | EMIT(0xD3); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1124 | emit_operand(esp, dst); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1125 | } |
| 1126 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1127 | void Assembler::shr(const Operand& dst, uint8_t imm8) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1128 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1129 | DCHECK(is_uint5(imm8)); // illegal shift count |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 1130 | if (imm8 == 1) { |
| 1131 | EMIT(0xD1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1132 | emit_operand(ebp, dst); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 1133 | } else { |
| 1134 | EMIT(0xC1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1135 | emit_operand(ebp, dst); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 1136 | EMIT(imm8); |
| 1137 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1138 | } |
| 1139 | |
| 1140 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1141 | void Assembler::shr_cl(const Operand& dst) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1142 | EnsureSpace ensure_space(this); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 1143 | EMIT(0xD3); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1144 | emit_operand(ebp, dst); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1145 | } |
| 1146 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1147 | void Assembler::shrd(Register dst, Register src, uint8_t shift) { |
| 1148 | DCHECK(is_uint5(shift)); |
| 1149 | EnsureSpace ensure_space(this); |
| 1150 | EMIT(0x0F); |
| 1151 | EMIT(0xAC); |
| 1152 | emit_operand(dst, Operand(src)); |
| 1153 | EMIT(shift); |
| 1154 | } |
| 1155 | |
| 1156 | void Assembler::shrd_cl(const Operand& dst, Register src) { |
| 1157 | EnsureSpace ensure_space(this); |
| 1158 | EMIT(0x0F); |
| 1159 | EMIT(0xAD); |
| 1160 | emit_operand(src, dst); |
| 1161 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1162 | |
| 1163 | void Assembler::sub(const Operand& dst, const Immediate& x) { |
| 1164 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1165 | emit_arith(5, dst, x); |
| 1166 | } |
| 1167 | |
| 1168 | |
| 1169 | void Assembler::sub(Register dst, const Operand& src) { |
| 1170 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1171 | EMIT(0x2B); |
| 1172 | emit_operand(dst, src); |
| 1173 | } |
| 1174 | |
| 1175 | |
| 1176 | void Assembler::sub(const Operand& dst, Register src) { |
| 1177 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1178 | EMIT(0x29); |
| 1179 | emit_operand(src, dst); |
| 1180 | } |
| 1181 | |
| 1182 | |
| 1183 | void Assembler::test(Register reg, const Immediate& imm) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1184 | if (imm.is_uint8()) { |
| 1185 | test_b(reg, imm); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1186 | return; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1187 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1188 | |
| 1189 | EnsureSpace ensure_space(this); |
| 1190 | // This is not using emit_arith because test doesn't support |
| 1191 | // sign-extension of 8-bit operands. |
| 1192 | if (reg.is(eax)) { |
| 1193 | EMIT(0xA9); |
| 1194 | } else { |
| 1195 | EMIT(0xF7); |
| 1196 | EMIT(0xC0 | reg.code()); |
| 1197 | } |
| 1198 | emit(imm); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1199 | } |
| 1200 | |
| 1201 | |
| 1202 | void Assembler::test(Register reg, const Operand& op) { |
| 1203 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1204 | EMIT(0x85); |
| 1205 | emit_operand(reg, op); |
| 1206 | } |
| 1207 | |
| 1208 | |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 1209 | void Assembler::test_b(Register reg, const Operand& op) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1210 | CHECK(reg.is_byte_register()); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 1211 | EnsureSpace ensure_space(this); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 1212 | EMIT(0x84); |
| 1213 | emit_operand(reg, op); |
| 1214 | } |
| 1215 | |
| 1216 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1217 | void Assembler::test(const Operand& op, const Immediate& imm) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1218 | if (op.is_reg_only()) { |
| 1219 | test(op.reg(), imm); |
| 1220 | return; |
| 1221 | } |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1222 | if (imm.is_uint8()) { |
| 1223 | return test_b(op, imm); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1224 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1225 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1226 | EMIT(0xF7); |
| 1227 | emit_operand(eax, op); |
| 1228 | emit(imm); |
| 1229 | } |
| 1230 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1231 | void Assembler::test_b(Register reg, Immediate imm8) { |
| 1232 | DCHECK(imm8.is_uint8()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1233 | EnsureSpace ensure_space(this); |
| 1234 | // Only use test against byte for registers that have a byte |
| 1235 | // variant: eax, ebx, ecx, and edx. |
| 1236 | if (reg.is(eax)) { |
| 1237 | EMIT(0xA8); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1238 | emit_b(imm8); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1239 | } else if (reg.is_byte_register()) { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1240 | emit_arith_b(0xF6, 0xC0, reg, static_cast<uint8_t>(imm8.x_)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1241 | } else { |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1242 | EMIT(0x66); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1243 | EMIT(0xF7); |
| 1244 | EMIT(0xC0 | reg.code()); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1245 | emit_w(imm8); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1246 | } |
| 1247 | } |
| 1248 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1249 | void Assembler::test_b(const Operand& op, Immediate imm8) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1250 | if (op.is_reg_only()) { |
| 1251 | test_b(op.reg(), imm8); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1252 | return; |
| 1253 | } |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1254 | EnsureSpace ensure_space(this); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1255 | EMIT(0xF6); |
| 1256 | emit_operand(eax, op); |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1257 | emit_b(imm8); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1258 | } |
| 1259 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame^] | 1260 | void Assembler::test_w(Register reg, Immediate imm16) { |
| 1261 | DCHECK(imm16.is_int16() || imm16.is_uint16()); |
| 1262 | EnsureSpace ensure_space(this); |
| 1263 | if (reg.is(eax)) { |
| 1264 | EMIT(0xA9); |
| 1265 | emit_w(imm16); |
| 1266 | } else { |
| 1267 | EMIT(0x66); |
| 1268 | EMIT(0xF7); |
| 1269 | EMIT(0xc0 | reg.code()); |
| 1270 | emit_w(imm16); |
| 1271 | } |
| 1272 | } |
| 1273 | |
| 1274 | void Assembler::test_w(Register reg, const Operand& op) { |
| 1275 | EnsureSpace ensure_space(this); |
| 1276 | EMIT(0x66); |
| 1277 | EMIT(0x85); |
| 1278 | emit_operand(reg, op); |
| 1279 | } |
| 1280 | |
| 1281 | void Assembler::test_w(const Operand& op, Immediate imm16) { |
| 1282 | DCHECK(imm16.is_int16() || imm16.is_uint16()); |
| 1283 | if (op.is_reg_only()) { |
| 1284 | test_w(op.reg(), imm16); |
| 1285 | return; |
| 1286 | } |
| 1287 | EnsureSpace ensure_space(this); |
| 1288 | EMIT(0x66); |
| 1289 | EMIT(0xF7); |
| 1290 | emit_operand(eax, op); |
| 1291 | emit_w(imm16); |
| 1292 | } |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 1293 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1294 | void Assembler::xor_(Register dst, int32_t imm32) { |
| 1295 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1296 | emit_arith(6, Operand(dst), Immediate(imm32)); |
| 1297 | } |
| 1298 | |
| 1299 | |
| 1300 | void Assembler::xor_(Register dst, const Operand& src) { |
| 1301 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1302 | EMIT(0x33); |
| 1303 | emit_operand(dst, src); |
| 1304 | } |
| 1305 | |
| 1306 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1307 | void Assembler::xor_(const Operand& dst, Register src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1308 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1309 | EMIT(0x31); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1310 | emit_operand(src, dst); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1311 | } |
| 1312 | |
| 1313 | |
| 1314 | void Assembler::xor_(const Operand& dst, const Immediate& x) { |
| 1315 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1316 | emit_arith(6, dst, x); |
| 1317 | } |
| 1318 | |
| 1319 | |
| 1320 | void Assembler::bt(const Operand& dst, Register src) { |
| 1321 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1322 | EMIT(0x0F); |
| 1323 | EMIT(0xA3); |
| 1324 | emit_operand(src, dst); |
| 1325 | } |
| 1326 | |
| 1327 | |
| 1328 | void Assembler::bts(const Operand& dst, Register src) { |
| 1329 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1330 | EMIT(0x0F); |
| 1331 | EMIT(0xAB); |
| 1332 | emit_operand(src, dst); |
| 1333 | } |
| 1334 | |
| 1335 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1336 | void Assembler::bsr(Register dst, const Operand& src) { |
| 1337 | EnsureSpace ensure_space(this); |
| 1338 | EMIT(0x0F); |
| 1339 | EMIT(0xBD); |
| 1340 | emit_operand(dst, src); |
| 1341 | } |
| 1342 | |
| 1343 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1344 | void Assembler::bsf(Register dst, const Operand& src) { |
| 1345 | EnsureSpace ensure_space(this); |
| 1346 | EMIT(0x0F); |
| 1347 | EMIT(0xBC); |
| 1348 | emit_operand(dst, src); |
| 1349 | } |
| 1350 | |
| 1351 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1352 | void Assembler::hlt() { |
| 1353 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1354 | EMIT(0xF4); |
| 1355 | } |
| 1356 | |
| 1357 | |
| 1358 | void Assembler::int3() { |
| 1359 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1360 | EMIT(0xCC); |
| 1361 | } |
| 1362 | |
| 1363 | |
| 1364 | void Assembler::nop() { |
| 1365 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1366 | EMIT(0x90); |
| 1367 | } |
| 1368 | |
| 1369 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1370 | void Assembler::ret(int imm16) { |
| 1371 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1372 | DCHECK(is_uint16(imm16)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1373 | if (imm16 == 0) { |
| 1374 | EMIT(0xC3); |
| 1375 | } else { |
| 1376 | EMIT(0xC2); |
| 1377 | EMIT(imm16 & 0xFF); |
| 1378 | EMIT((imm16 >> 8) & 0xFF); |
| 1379 | } |
| 1380 | } |
| 1381 | |
| 1382 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1383 | void Assembler::ud2() { |
| 1384 | EnsureSpace ensure_space(this); |
| 1385 | EMIT(0x0F); |
| 1386 | EMIT(0x0B); |
| 1387 | } |
| 1388 | |
| 1389 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1390 | // Labels refer to positions in the (to be) generated code. |
| 1391 | // There are bound, linked, and unused labels. |
| 1392 | // |
| 1393 | // Bound labels refer to known positions in the already |
| 1394 | // generated code. pos() is the position the label refers to. |
| 1395 | // |
| 1396 | // Linked labels refer to unknown positions in the code |
| 1397 | // to be generated; pos() is the position of the 32bit |
| 1398 | // Displacement of the last instruction using the label. |
| 1399 | |
| 1400 | |
| 1401 | void Assembler::print(Label* L) { |
| 1402 | if (L->is_unused()) { |
| 1403 | PrintF("unused label\n"); |
| 1404 | } else if (L->is_bound()) { |
| 1405 | PrintF("bound label to %d\n", L->pos()); |
| 1406 | } else if (L->is_linked()) { |
| 1407 | Label l = *L; |
| 1408 | PrintF("unbound label"); |
| 1409 | while (l.is_linked()) { |
| 1410 | Displacement disp = disp_at(&l); |
| 1411 | PrintF("@ %d ", l.pos()); |
| 1412 | disp.print(); |
| 1413 | PrintF("\n"); |
| 1414 | disp.next(&l); |
| 1415 | } |
| 1416 | } else { |
| 1417 | PrintF("label in inconsistent state (pos = %d)\n", L->pos_); |
| 1418 | } |
| 1419 | } |
| 1420 | |
| 1421 | |
| 1422 | void Assembler::bind_to(Label* L, int pos) { |
| 1423 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1424 | DCHECK(0 <= pos && pos <= pc_offset()); // must have a valid binding position |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1425 | while (L->is_linked()) { |
| 1426 | Displacement disp = disp_at(L); |
| 1427 | int fixup_pos = L->pos(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1428 | if (disp.type() == Displacement::CODE_ABSOLUTE) { |
| 1429 | long_at_put(fixup_pos, reinterpret_cast<int>(buffer_ + pos)); |
| 1430 | internal_reference_positions_.push_back(fixup_pos); |
| 1431 | } else if (disp.type() == Displacement::CODE_RELATIVE) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1432 | // Relative to Code* heap object pointer. |
| 1433 | long_at_put(fixup_pos, pos + Code::kHeaderSize - kHeapObjectTag); |
| 1434 | } else { |
| 1435 | if (disp.type() == Displacement::UNCONDITIONAL_JUMP) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1436 | DCHECK(byte_at(fixup_pos - 1) == 0xE9); // jmp expected |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1437 | } |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1438 | // Relative address, relative to point after address. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1439 | int imm32 = pos - (fixup_pos + sizeof(int32_t)); |
| 1440 | long_at_put(fixup_pos, imm32); |
| 1441 | } |
| 1442 | disp.next(L); |
| 1443 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1444 | while (L->is_near_linked()) { |
| 1445 | int fixup_pos = L->near_link_pos(); |
| 1446 | int offset_to_next = |
| 1447 | static_cast<int>(*reinterpret_cast<int8_t*>(addr_at(fixup_pos))); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1448 | DCHECK(offset_to_next <= 0); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1449 | // Relative address, relative to point after address. |
| 1450 | int disp = pos - fixup_pos - sizeof(int8_t); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1451 | CHECK(0 <= disp && disp <= 127); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1452 | set_byte_at(fixup_pos, disp); |
| 1453 | if (offset_to_next < 0) { |
| 1454 | L->link_to(fixup_pos + offset_to_next, Label::kNear); |
| 1455 | } else { |
| 1456 | L->UnuseNear(); |
| 1457 | } |
| 1458 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1459 | L->bind_to(pos); |
| 1460 | } |
| 1461 | |
| 1462 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1463 | void Assembler::bind(Label* L) { |
| 1464 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1465 | DCHECK(!L->is_bound()); // label can only be bound once |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1466 | bind_to(L, pc_offset()); |
| 1467 | } |
| 1468 | |
| 1469 | |
| 1470 | void Assembler::call(Label* L) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1471 | positions_recorder()->WriteRecordedPositions(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1472 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1473 | if (L->is_bound()) { |
| 1474 | const int long_size = 5; |
| 1475 | int offs = L->pos() - pc_offset(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1476 | DCHECK(offs <= 0); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1477 | // 1110 1000 #32-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1478 | EMIT(0xE8); |
| 1479 | emit(offs - long_size); |
| 1480 | } else { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1481 | // 1110 1000 #32-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1482 | EMIT(0xE8); |
| 1483 | emit_disp(L, Displacement::OTHER); |
| 1484 | } |
| 1485 | } |
| 1486 | |
| 1487 | |
| 1488 | void Assembler::call(byte* entry, RelocInfo::Mode rmode) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1489 | positions_recorder()->WriteRecordedPositions(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1490 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1491 | DCHECK(!RelocInfo::IsCodeTarget(rmode)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1492 | EMIT(0xE8); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1493 | if (RelocInfo::IsRuntimeEntry(rmode)) { |
| 1494 | emit(reinterpret_cast<uint32_t>(entry), rmode); |
| 1495 | } else { |
| 1496 | emit(entry - (pc_ + sizeof(int32_t)), rmode); |
| 1497 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1498 | } |
| 1499 | |
| 1500 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1501 | int Assembler::CallSize(const Operand& adr) { |
| 1502 | // Call size is 1 (opcode) + adr.len_ (operand). |
| 1503 | return 1 + adr.len_; |
| 1504 | } |
| 1505 | |
| 1506 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1507 | void Assembler::call(const Operand& adr) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1508 | positions_recorder()->WriteRecordedPositions(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1509 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1510 | EMIT(0xFF); |
| 1511 | emit_operand(edx, adr); |
| 1512 | } |
| 1513 | |
| 1514 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1515 | int Assembler::CallSize(Handle<Code> code, RelocInfo::Mode rmode) { |
| 1516 | return 1 /* EMIT */ + sizeof(uint32_t) /* emit */; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1517 | } |
| 1518 | |
| 1519 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1520 | void Assembler::call(Handle<Code> code, |
| 1521 | RelocInfo::Mode rmode, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1522 | TypeFeedbackId ast_id) { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1523 | positions_recorder()->WriteRecordedPositions(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1524 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1525 | DCHECK(RelocInfo::IsCodeTarget(rmode) |
| 1526 | || rmode == RelocInfo::CODE_AGE_SEQUENCE); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1527 | EMIT(0xE8); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1528 | emit(code, rmode, ast_id); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1529 | } |
| 1530 | |
| 1531 | |
| 1532 | void Assembler::jmp(Label* L, Label::Distance distance) { |
| 1533 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1534 | if (L->is_bound()) { |
| 1535 | const int short_size = 2; |
| 1536 | const int long_size = 5; |
| 1537 | int offs = L->pos() - pc_offset(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1538 | DCHECK(offs <= 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1539 | if (is_int8(offs - short_size)) { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1540 | // 1110 1011 #8-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1541 | EMIT(0xEB); |
| 1542 | EMIT((offs - short_size) & 0xFF); |
| 1543 | } else { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1544 | // 1110 1001 #32-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1545 | EMIT(0xE9); |
| 1546 | emit(offs - long_size); |
| 1547 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1548 | } else if (distance == Label::kNear) { |
| 1549 | EMIT(0xEB); |
| 1550 | emit_near_disp(L); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1551 | } else { |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1552 | // 1110 1001 #32-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1553 | EMIT(0xE9); |
| 1554 | emit_disp(L, Displacement::UNCONDITIONAL_JUMP); |
| 1555 | } |
| 1556 | } |
| 1557 | |
| 1558 | |
| 1559 | void Assembler::jmp(byte* entry, RelocInfo::Mode rmode) { |
| 1560 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1561 | DCHECK(!RelocInfo::IsCodeTarget(rmode)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1562 | EMIT(0xE9); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1563 | if (RelocInfo::IsRuntimeEntry(rmode)) { |
| 1564 | emit(reinterpret_cast<uint32_t>(entry), rmode); |
| 1565 | } else { |
| 1566 | emit(entry - (pc_ + sizeof(int32_t)), rmode); |
| 1567 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1568 | } |
| 1569 | |
| 1570 | |
| 1571 | void Assembler::jmp(const Operand& adr) { |
| 1572 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1573 | EMIT(0xFF); |
| 1574 | emit_operand(esp, adr); |
| 1575 | } |
| 1576 | |
| 1577 | |
| 1578 | void Assembler::jmp(Handle<Code> code, RelocInfo::Mode rmode) { |
| 1579 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1580 | DCHECK(RelocInfo::IsCodeTarget(rmode)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1581 | EMIT(0xE9); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1582 | emit(code, rmode); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1583 | } |
| 1584 | |
| 1585 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1586 | void Assembler::j(Condition cc, Label* L, Label::Distance distance) { |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 1587 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1588 | DCHECK(0 <= cc && static_cast<int>(cc) < 16); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1589 | if (L->is_bound()) { |
| 1590 | const int short_size = 2; |
| 1591 | const int long_size = 6; |
| 1592 | int offs = L->pos() - pc_offset(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1593 | DCHECK(offs <= 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1594 | if (is_int8(offs - short_size)) { |
| 1595 | // 0111 tttn #8-bit disp |
| 1596 | EMIT(0x70 | cc); |
| 1597 | EMIT((offs - short_size) & 0xFF); |
| 1598 | } else { |
| 1599 | // 0000 1111 1000 tttn #32-bit disp |
| 1600 | EMIT(0x0F); |
| 1601 | EMIT(0x80 | cc); |
| 1602 | emit(offs - long_size); |
| 1603 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1604 | } else if (distance == Label::kNear) { |
| 1605 | EMIT(0x70 | cc); |
| 1606 | emit_near_disp(L); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1607 | } else { |
| 1608 | // 0000 1111 1000 tttn #32-bit disp |
| 1609 | // Note: could eliminate cond. jumps to this jump if condition |
| 1610 | // is the same however, seems to be rather unlikely case. |
| 1611 | EMIT(0x0F); |
| 1612 | EMIT(0x80 | cc); |
| 1613 | emit_disp(L, Displacement::OTHER); |
| 1614 | } |
| 1615 | } |
| 1616 | |
| 1617 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1618 | void Assembler::j(Condition cc, byte* entry, RelocInfo::Mode rmode) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1619 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1620 | DCHECK((0 <= cc) && (static_cast<int>(cc) < 16)); |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1621 | // 0000 1111 1000 tttn #32-bit disp. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1622 | EMIT(0x0F); |
| 1623 | EMIT(0x80 | cc); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1624 | if (RelocInfo::IsRuntimeEntry(rmode)) { |
| 1625 | emit(reinterpret_cast<uint32_t>(entry), rmode); |
| 1626 | } else { |
| 1627 | emit(entry - (pc_ + sizeof(int32_t)), rmode); |
| 1628 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1629 | } |
| 1630 | |
| 1631 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1632 | void Assembler::j(Condition cc, Handle<Code> code, RelocInfo::Mode rmode) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1633 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1634 | // 0000 1111 1000 tttn #32-bit disp |
| 1635 | EMIT(0x0F); |
| 1636 | EMIT(0x80 | cc); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1637 | emit(code, rmode); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1638 | } |
| 1639 | |
| 1640 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 1641 | // FPU instructions. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1642 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1643 | void Assembler::fld(int i) { |
| 1644 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1645 | emit_farith(0xD9, 0xC0, i); |
| 1646 | } |
| 1647 | |
| 1648 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1649 | void Assembler::fstp(int i) { |
| 1650 | EnsureSpace ensure_space(this); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1651 | emit_farith(0xDD, 0xD8, i); |
| 1652 | } |
| 1653 | |
| 1654 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1655 | void Assembler::fld1() { |
| 1656 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1657 | EMIT(0xD9); |
| 1658 | EMIT(0xE8); |
| 1659 | } |
| 1660 | |
| 1661 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1662 | void Assembler::fldpi() { |
| 1663 | EnsureSpace ensure_space(this); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1664 | EMIT(0xD9); |
| 1665 | EMIT(0xEB); |
| 1666 | } |
| 1667 | |
| 1668 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1669 | void Assembler::fldz() { |
| 1670 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1671 | EMIT(0xD9); |
| 1672 | EMIT(0xEE); |
| 1673 | } |
| 1674 | |
| 1675 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1676 | void Assembler::fldln2() { |
| 1677 | EnsureSpace ensure_space(this); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1678 | EMIT(0xD9); |
| 1679 | EMIT(0xED); |
| 1680 | } |
| 1681 | |
| 1682 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1683 | void Assembler::fld_s(const Operand& adr) { |
| 1684 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1685 | EMIT(0xD9); |
| 1686 | emit_operand(eax, adr); |
| 1687 | } |
| 1688 | |
| 1689 | |
| 1690 | void Assembler::fld_d(const Operand& adr) { |
| 1691 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1692 | EMIT(0xDD); |
| 1693 | emit_operand(eax, adr); |
| 1694 | } |
| 1695 | |
| 1696 | |
| 1697 | void Assembler::fstp_s(const Operand& adr) { |
| 1698 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1699 | EMIT(0xD9); |
| 1700 | emit_operand(ebx, adr); |
| 1701 | } |
| 1702 | |
| 1703 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1704 | void Assembler::fst_s(const Operand& adr) { |
| 1705 | EnsureSpace ensure_space(this); |
| 1706 | EMIT(0xD9); |
| 1707 | emit_operand(edx, adr); |
| 1708 | } |
| 1709 | |
| 1710 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1711 | void Assembler::fstp_d(const Operand& adr) { |
| 1712 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1713 | EMIT(0xDD); |
| 1714 | emit_operand(ebx, adr); |
| 1715 | } |
| 1716 | |
| 1717 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1718 | void Assembler::fst_d(const Operand& adr) { |
| 1719 | EnsureSpace ensure_space(this); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1720 | EMIT(0xDD); |
| 1721 | emit_operand(edx, adr); |
| 1722 | } |
| 1723 | |
| 1724 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1725 | void Assembler::fild_s(const Operand& adr) { |
| 1726 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1727 | EMIT(0xDB); |
| 1728 | emit_operand(eax, adr); |
| 1729 | } |
| 1730 | |
| 1731 | |
| 1732 | void Assembler::fild_d(const Operand& adr) { |
| 1733 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1734 | EMIT(0xDF); |
| 1735 | emit_operand(ebp, adr); |
| 1736 | } |
| 1737 | |
| 1738 | |
| 1739 | void Assembler::fistp_s(const Operand& adr) { |
| 1740 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1741 | EMIT(0xDB); |
| 1742 | emit_operand(ebx, adr); |
| 1743 | } |
| 1744 | |
| 1745 | |
| 1746 | void Assembler::fisttp_s(const Operand& adr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1747 | DCHECK(IsEnabled(SSE3)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1748 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1749 | EMIT(0xDB); |
| 1750 | emit_operand(ecx, adr); |
| 1751 | } |
| 1752 | |
| 1753 | |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 1754 | void Assembler::fisttp_d(const Operand& adr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1755 | DCHECK(IsEnabled(SSE3)); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 1756 | EnsureSpace ensure_space(this); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 1757 | EMIT(0xDD); |
| 1758 | emit_operand(ecx, adr); |
| 1759 | } |
| 1760 | |
| 1761 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1762 | void Assembler::fist_s(const Operand& adr) { |
| 1763 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1764 | EMIT(0xDB); |
| 1765 | emit_operand(edx, adr); |
| 1766 | } |
| 1767 | |
| 1768 | |
| 1769 | void Assembler::fistp_d(const Operand& adr) { |
| 1770 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1771 | EMIT(0xDF); |
| 1772 | emit_operand(edi, adr); |
| 1773 | } |
| 1774 | |
| 1775 | |
| 1776 | void Assembler::fabs() { |
| 1777 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1778 | EMIT(0xD9); |
| 1779 | EMIT(0xE1); |
| 1780 | } |
| 1781 | |
| 1782 | |
| 1783 | void Assembler::fchs() { |
| 1784 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1785 | EMIT(0xD9); |
| 1786 | EMIT(0xE0); |
| 1787 | } |
| 1788 | |
| 1789 | |
| 1790 | void Assembler::fcos() { |
| 1791 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1792 | EMIT(0xD9); |
| 1793 | EMIT(0xFF); |
| 1794 | } |
| 1795 | |
| 1796 | |
| 1797 | void Assembler::fsin() { |
| 1798 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1799 | EMIT(0xD9); |
| 1800 | EMIT(0xFE); |
| 1801 | } |
| 1802 | |
| 1803 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1804 | void Assembler::fptan() { |
| 1805 | EnsureSpace ensure_space(this); |
| 1806 | EMIT(0xD9); |
| 1807 | EMIT(0xF2); |
| 1808 | } |
| 1809 | |
| 1810 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1811 | void Assembler::fyl2x() { |
| 1812 | EnsureSpace ensure_space(this); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1813 | EMIT(0xD9); |
| 1814 | EMIT(0xF1); |
| 1815 | } |
| 1816 | |
| 1817 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1818 | void Assembler::f2xm1() { |
| 1819 | EnsureSpace ensure_space(this); |
| 1820 | EMIT(0xD9); |
| 1821 | EMIT(0xF0); |
| 1822 | } |
| 1823 | |
| 1824 | |
| 1825 | void Assembler::fscale() { |
| 1826 | EnsureSpace ensure_space(this); |
| 1827 | EMIT(0xD9); |
| 1828 | EMIT(0xFD); |
| 1829 | } |
| 1830 | |
| 1831 | |
| 1832 | void Assembler::fninit() { |
| 1833 | EnsureSpace ensure_space(this); |
| 1834 | EMIT(0xDB); |
| 1835 | EMIT(0xE3); |
| 1836 | } |
| 1837 | |
| 1838 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1839 | void Assembler::fadd(int i) { |
| 1840 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1841 | emit_farith(0xDC, 0xC0, i); |
| 1842 | } |
| 1843 | |
| 1844 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1845 | void Assembler::fadd_i(int i) { |
| 1846 | EnsureSpace ensure_space(this); |
| 1847 | emit_farith(0xD8, 0xC0, i); |
| 1848 | } |
| 1849 | |
| 1850 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1851 | void Assembler::fsub(int i) { |
| 1852 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1853 | emit_farith(0xDC, 0xE8, i); |
| 1854 | } |
| 1855 | |
| 1856 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1857 | void Assembler::fsub_i(int i) { |
| 1858 | EnsureSpace ensure_space(this); |
| 1859 | emit_farith(0xD8, 0xE0, i); |
| 1860 | } |
| 1861 | |
| 1862 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1863 | void Assembler::fisub_s(const Operand& adr) { |
| 1864 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1865 | EMIT(0xDA); |
| 1866 | emit_operand(esp, adr); |
| 1867 | } |
| 1868 | |
| 1869 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1870 | void Assembler::fmul_i(int i) { |
| 1871 | EnsureSpace ensure_space(this); |
| 1872 | emit_farith(0xD8, 0xC8, i); |
| 1873 | } |
| 1874 | |
| 1875 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1876 | void Assembler::fmul(int i) { |
| 1877 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1878 | emit_farith(0xDC, 0xC8, i); |
| 1879 | } |
| 1880 | |
| 1881 | |
| 1882 | void Assembler::fdiv(int i) { |
| 1883 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1884 | emit_farith(0xDC, 0xF8, i); |
| 1885 | } |
| 1886 | |
| 1887 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1888 | void Assembler::fdiv_i(int i) { |
| 1889 | EnsureSpace ensure_space(this); |
| 1890 | emit_farith(0xD8, 0xF0, i); |
| 1891 | } |
| 1892 | |
| 1893 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1894 | void Assembler::faddp(int i) { |
| 1895 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1896 | emit_farith(0xDE, 0xC0, i); |
| 1897 | } |
| 1898 | |
| 1899 | |
| 1900 | void Assembler::fsubp(int i) { |
| 1901 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1902 | emit_farith(0xDE, 0xE8, i); |
| 1903 | } |
| 1904 | |
| 1905 | |
| 1906 | void Assembler::fsubrp(int i) { |
| 1907 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1908 | emit_farith(0xDE, 0xE0, i); |
| 1909 | } |
| 1910 | |
| 1911 | |
| 1912 | void Assembler::fmulp(int i) { |
| 1913 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1914 | emit_farith(0xDE, 0xC8, i); |
| 1915 | } |
| 1916 | |
| 1917 | |
| 1918 | void Assembler::fdivp(int i) { |
| 1919 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1920 | emit_farith(0xDE, 0xF8, i); |
| 1921 | } |
| 1922 | |
| 1923 | |
| 1924 | void Assembler::fprem() { |
| 1925 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1926 | EMIT(0xD9); |
| 1927 | EMIT(0xF8); |
| 1928 | } |
| 1929 | |
| 1930 | |
| 1931 | void Assembler::fprem1() { |
| 1932 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1933 | EMIT(0xD9); |
| 1934 | EMIT(0xF5); |
| 1935 | } |
| 1936 | |
| 1937 | |
| 1938 | void Assembler::fxch(int i) { |
| 1939 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1940 | emit_farith(0xD9, 0xC8, i); |
| 1941 | } |
| 1942 | |
| 1943 | |
| 1944 | void Assembler::fincstp() { |
| 1945 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1946 | EMIT(0xD9); |
| 1947 | EMIT(0xF7); |
| 1948 | } |
| 1949 | |
| 1950 | |
| 1951 | void Assembler::ffree(int i) { |
| 1952 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1953 | emit_farith(0xDD, 0xC0, i); |
| 1954 | } |
| 1955 | |
| 1956 | |
| 1957 | void Assembler::ftst() { |
| 1958 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1959 | EMIT(0xD9); |
| 1960 | EMIT(0xE4); |
| 1961 | } |
| 1962 | |
| 1963 | |
| 1964 | void Assembler::fucomp(int i) { |
| 1965 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1966 | emit_farith(0xDD, 0xE8, i); |
| 1967 | } |
| 1968 | |
| 1969 | |
| 1970 | void Assembler::fucompp() { |
| 1971 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1972 | EMIT(0xDA); |
| 1973 | EMIT(0xE9); |
| 1974 | } |
| 1975 | |
| 1976 | |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1977 | void Assembler::fucomi(int i) { |
| 1978 | EnsureSpace ensure_space(this); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1979 | EMIT(0xDB); |
| 1980 | EMIT(0xE8 + i); |
| 1981 | } |
| 1982 | |
| 1983 | |
| 1984 | void Assembler::fucomip() { |
| 1985 | EnsureSpace ensure_space(this); |
Steve Block | 3ce2e20 | 2009-11-05 08:53:23 +0000 | [diff] [blame] | 1986 | EMIT(0xDF); |
| 1987 | EMIT(0xE9); |
| 1988 | } |
| 1989 | |
| 1990 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1991 | void Assembler::fcompp() { |
| 1992 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1993 | EMIT(0xDE); |
| 1994 | EMIT(0xD9); |
| 1995 | } |
| 1996 | |
| 1997 | |
| 1998 | void Assembler::fnstsw_ax() { |
| 1999 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2000 | EMIT(0xDF); |
| 2001 | EMIT(0xE0); |
| 2002 | } |
| 2003 | |
| 2004 | |
| 2005 | void Assembler::fwait() { |
| 2006 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2007 | EMIT(0x9B); |
| 2008 | } |
| 2009 | |
| 2010 | |
| 2011 | void Assembler::frndint() { |
| 2012 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2013 | EMIT(0xD9); |
| 2014 | EMIT(0xFC); |
| 2015 | } |
| 2016 | |
| 2017 | |
| 2018 | void Assembler::fnclex() { |
| 2019 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2020 | EMIT(0xDB); |
| 2021 | EMIT(0xE2); |
| 2022 | } |
| 2023 | |
| 2024 | |
| 2025 | void Assembler::sahf() { |
| 2026 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2027 | EMIT(0x9E); |
| 2028 | } |
| 2029 | |
| 2030 | |
| 2031 | void Assembler::setcc(Condition cc, Register reg) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2032 | DCHECK(reg.is_byte_register()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2033 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2034 | EMIT(0x0F); |
| 2035 | EMIT(0x90 | cc); |
| 2036 | EMIT(0xC0 | reg.code()); |
| 2037 | } |
| 2038 | |
| 2039 | |
| 2040 | void Assembler::cvttss2si(Register dst, const Operand& src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2041 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2042 | EMIT(0xF3); |
| 2043 | EMIT(0x0F); |
| 2044 | EMIT(0x2C); |
| 2045 | emit_operand(dst, src); |
| 2046 | } |
| 2047 | |
| 2048 | |
| 2049 | void Assembler::cvttsd2si(Register dst, const Operand& src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2050 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2051 | EMIT(0xF2); |
| 2052 | EMIT(0x0F); |
| 2053 | EMIT(0x2C); |
| 2054 | emit_operand(dst, src); |
| 2055 | } |
| 2056 | |
| 2057 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2058 | void Assembler::cvtsd2si(Register dst, XMMRegister src) { |
| 2059 | EnsureSpace ensure_space(this); |
| 2060 | EMIT(0xF2); |
| 2061 | EMIT(0x0F); |
| 2062 | EMIT(0x2D); |
| 2063 | emit_sse_operand(dst, src); |
| 2064 | } |
| 2065 | |
| 2066 | |
Ben Murdoch | 097c5b2 | 2016-05-18 11:27:45 +0100 | [diff] [blame] | 2067 | void Assembler::cvtsi2ss(XMMRegister dst, const Operand& src) { |
| 2068 | EnsureSpace ensure_space(this); |
| 2069 | EMIT(0xF3); |
| 2070 | EMIT(0x0F); |
| 2071 | EMIT(0x2A); |
| 2072 | emit_sse_operand(dst, src); |
| 2073 | } |
| 2074 | |
| 2075 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2076 | void Assembler::cvtsi2sd(XMMRegister dst, const Operand& src) { |
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(0xF2); |
| 2079 | EMIT(0x0F); |
| 2080 | EMIT(0x2A); |
| 2081 | emit_sse_operand(dst, src); |
| 2082 | } |
| 2083 | |
| 2084 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2085 | void Assembler::cvtss2sd(XMMRegister dst, const Operand& src) { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2086 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2087 | EMIT(0xF3); |
| 2088 | EMIT(0x0F); |
| 2089 | EMIT(0x5A); |
| 2090 | emit_sse_operand(dst, src); |
| 2091 | } |
| 2092 | |
| 2093 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2094 | void Assembler::cvtsd2ss(XMMRegister dst, const Operand& src) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2095 | EnsureSpace ensure_space(this); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2096 | EMIT(0xF2); |
| 2097 | EMIT(0x0F); |
| 2098 | EMIT(0x5A); |
| 2099 | emit_sse_operand(dst, src); |
| 2100 | } |
| 2101 | |
| 2102 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2103 | void Assembler::addsd(XMMRegister dst, const Operand& src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2104 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2105 | EMIT(0xF2); |
| 2106 | EMIT(0x0F); |
| 2107 | EMIT(0x58); |
| 2108 | emit_sse_operand(dst, src); |
| 2109 | } |
| 2110 | |
| 2111 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2112 | void Assembler::mulsd(XMMRegister dst, const Operand& src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2113 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2114 | EMIT(0xF2); |
| 2115 | EMIT(0x0F); |
| 2116 | EMIT(0x59); |
| 2117 | emit_sse_operand(dst, src); |
| 2118 | } |
| 2119 | |
| 2120 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2121 | void Assembler::subsd(XMMRegister dst, const Operand& src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2122 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2123 | EMIT(0xF2); |
| 2124 | EMIT(0x0F); |
| 2125 | EMIT(0x5C); |
| 2126 | emit_sse_operand(dst, src); |
| 2127 | } |
| 2128 | |
| 2129 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2130 | void Assembler::divsd(XMMRegister dst, const Operand& src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2131 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2132 | EMIT(0xF2); |
| 2133 | EMIT(0x0F); |
| 2134 | EMIT(0x5E); |
| 2135 | emit_sse_operand(dst, src); |
| 2136 | } |
| 2137 | |
| 2138 | |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2139 | void Assembler::xorpd(XMMRegister dst, XMMRegister src) { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2140 | EnsureSpace ensure_space(this); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2141 | EMIT(0x66); |
| 2142 | EMIT(0x0F); |
| 2143 | EMIT(0x57); |
| 2144 | emit_sse_operand(dst, src); |
| 2145 | } |
| 2146 | |
| 2147 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2148 | void Assembler::andps(XMMRegister dst, const Operand& src) { |
| 2149 | EnsureSpace ensure_space(this); |
| 2150 | EMIT(0x0F); |
| 2151 | EMIT(0x54); |
| 2152 | emit_sse_operand(dst, src); |
| 2153 | } |
| 2154 | |
| 2155 | |
| 2156 | void Assembler::orps(XMMRegister dst, const Operand& src) { |
| 2157 | EnsureSpace ensure_space(this); |
| 2158 | EMIT(0x0F); |
| 2159 | EMIT(0x56); |
| 2160 | emit_sse_operand(dst, src); |
| 2161 | } |
| 2162 | |
| 2163 | |
| 2164 | void Assembler::xorps(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2165 | EnsureSpace ensure_space(this); |
| 2166 | EMIT(0x0F); |
| 2167 | EMIT(0x57); |
| 2168 | emit_sse_operand(dst, src); |
| 2169 | } |
| 2170 | |
| 2171 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2172 | void Assembler::addps(XMMRegister dst, const Operand& src) { |
| 2173 | EnsureSpace ensure_space(this); |
| 2174 | EMIT(0x0F); |
| 2175 | EMIT(0x58); |
| 2176 | emit_sse_operand(dst, src); |
| 2177 | } |
| 2178 | |
| 2179 | |
| 2180 | void Assembler::subps(XMMRegister dst, const Operand& src) { |
| 2181 | EnsureSpace ensure_space(this); |
| 2182 | EMIT(0x0F); |
| 2183 | EMIT(0x5C); |
| 2184 | emit_sse_operand(dst, src); |
| 2185 | } |
| 2186 | |
| 2187 | |
| 2188 | void Assembler::mulps(XMMRegister dst, const Operand& src) { |
| 2189 | EnsureSpace ensure_space(this); |
| 2190 | EMIT(0x0F); |
| 2191 | EMIT(0x59); |
| 2192 | emit_sse_operand(dst, src); |
| 2193 | } |
| 2194 | |
| 2195 | |
| 2196 | void Assembler::divps(XMMRegister dst, const Operand& src) { |
| 2197 | EnsureSpace ensure_space(this); |
| 2198 | EMIT(0x0F); |
| 2199 | EMIT(0x5E); |
| 2200 | emit_sse_operand(dst, src); |
| 2201 | } |
| 2202 | |
| 2203 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2204 | void Assembler::sqrtsd(XMMRegister dst, const Operand& src) { |
| 2205 | EnsureSpace ensure_space(this); |
| 2206 | EMIT(0xF2); |
| 2207 | EMIT(0x0F); |
| 2208 | EMIT(0x51); |
| 2209 | emit_sse_operand(dst, src); |
| 2210 | } |
| 2211 | |
| 2212 | |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2213 | void Assembler::andpd(XMMRegister dst, XMMRegister src) { |
| 2214 | EnsureSpace ensure_space(this); |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2215 | EMIT(0x66); |
| 2216 | EMIT(0x0F); |
| 2217 | EMIT(0x54); |
| 2218 | emit_sse_operand(dst, src); |
| 2219 | } |
| 2220 | |
| 2221 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2222 | void Assembler::orpd(XMMRegister dst, XMMRegister src) { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2223 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2224 | EMIT(0x66); |
| 2225 | EMIT(0x0F); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2226 | EMIT(0x56); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2227 | emit_sse_operand(dst, src); |
| 2228 | } |
| 2229 | |
| 2230 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2231 | void Assembler::ucomisd(XMMRegister dst, const Operand& src) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2232 | EnsureSpace ensure_space(this); |
| 2233 | EMIT(0x66); |
| 2234 | EMIT(0x0F); |
| 2235 | EMIT(0x2E); |
| 2236 | emit_sse_operand(dst, src); |
| 2237 | } |
| 2238 | |
| 2239 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2240 | void Assembler::roundss(XMMRegister dst, XMMRegister src, RoundingMode mode) { |
| 2241 | DCHECK(IsEnabled(SSE4_1)); |
| 2242 | EnsureSpace ensure_space(this); |
| 2243 | EMIT(0x66); |
| 2244 | EMIT(0x0F); |
| 2245 | EMIT(0x3A); |
| 2246 | EMIT(0x0A); |
| 2247 | emit_sse_operand(dst, src); |
| 2248 | // Mask precision exeption. |
| 2249 | EMIT(static_cast<byte>(mode) | 0x8); |
| 2250 | } |
| 2251 | |
| 2252 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2253 | void Assembler::roundsd(XMMRegister dst, XMMRegister src, RoundingMode mode) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2254 | DCHECK(IsEnabled(SSE4_1)); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2255 | EnsureSpace ensure_space(this); |
| 2256 | EMIT(0x66); |
| 2257 | EMIT(0x0F); |
| 2258 | EMIT(0x3A); |
| 2259 | EMIT(0x0B); |
| 2260 | emit_sse_operand(dst, src); |
| 2261 | // Mask precision exeption. |
| 2262 | EMIT(static_cast<byte>(mode) | 0x8); |
| 2263 | } |
| 2264 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2265 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2266 | void Assembler::movmskpd(Register dst, XMMRegister src) { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2267 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2268 | EMIT(0x66); |
| 2269 | EMIT(0x0F); |
| 2270 | EMIT(0x50); |
| 2271 | emit_sse_operand(dst, src); |
| 2272 | } |
| 2273 | |
| 2274 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2275 | void Assembler::movmskps(Register dst, XMMRegister src) { |
| 2276 | EnsureSpace ensure_space(this); |
| 2277 | EMIT(0x0F); |
| 2278 | EMIT(0x50); |
| 2279 | emit_sse_operand(dst, src); |
| 2280 | } |
| 2281 | |
| 2282 | |
| 2283 | void Assembler::pcmpeqd(XMMRegister dst, XMMRegister src) { |
| 2284 | EnsureSpace ensure_space(this); |
| 2285 | EMIT(0x66); |
| 2286 | EMIT(0x0F); |
| 2287 | EMIT(0x76); |
| 2288 | emit_sse_operand(dst, src); |
| 2289 | } |
| 2290 | |
| 2291 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2292 | void Assembler::punpckldq(XMMRegister dst, XMMRegister src) { |
| 2293 | EnsureSpace ensure_space(this); |
| 2294 | EMIT(0x66); |
| 2295 | EMIT(0x0F); |
| 2296 | EMIT(0x62); |
| 2297 | emit_sse_operand(dst, src); |
| 2298 | } |
| 2299 | |
| 2300 | |
| 2301 | void Assembler::punpckhdq(XMMRegister dst, XMMRegister src) { |
| 2302 | EnsureSpace ensure_space(this); |
| 2303 | EMIT(0x66); |
| 2304 | EMIT(0x0F); |
| 2305 | EMIT(0x6A); |
| 2306 | emit_sse_operand(dst, src); |
| 2307 | } |
| 2308 | |
| 2309 | |
| 2310 | void Assembler::maxsd(XMMRegister dst, const Operand& src) { |
| 2311 | EnsureSpace ensure_space(this); |
| 2312 | EMIT(0xF2); |
| 2313 | EMIT(0x0F); |
| 2314 | EMIT(0x5F); |
| 2315 | emit_sse_operand(dst, src); |
| 2316 | } |
| 2317 | |
| 2318 | |
| 2319 | void Assembler::minsd(XMMRegister dst, const Operand& src) { |
| 2320 | EnsureSpace ensure_space(this); |
| 2321 | EMIT(0xF2); |
| 2322 | EMIT(0x0F); |
| 2323 | EMIT(0x5D); |
| 2324 | emit_sse_operand(dst, src); |
| 2325 | } |
| 2326 | |
| 2327 | |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2328 | void Assembler::cmpltsd(XMMRegister dst, XMMRegister src) { |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2329 | EnsureSpace ensure_space(this); |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2330 | EMIT(0xF2); |
| 2331 | EMIT(0x0F); |
| 2332 | EMIT(0xC2); |
| 2333 | emit_sse_operand(dst, src); |
| 2334 | EMIT(1); // LT == 1 |
| 2335 | } |
| 2336 | |
| 2337 | |
| 2338 | void Assembler::movaps(XMMRegister dst, XMMRegister src) { |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2339 | EnsureSpace ensure_space(this); |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2340 | EMIT(0x0F); |
| 2341 | EMIT(0x28); |
| 2342 | emit_sse_operand(dst, src); |
| 2343 | } |
| 2344 | |
| 2345 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2346 | void Assembler::shufps(XMMRegister dst, XMMRegister src, byte imm8) { |
| 2347 | DCHECK(is_uint8(imm8)); |
| 2348 | EnsureSpace ensure_space(this); |
| 2349 | EMIT(0x0F); |
| 2350 | EMIT(0xC6); |
| 2351 | emit_sse_operand(dst, src); |
| 2352 | EMIT(imm8); |
| 2353 | } |
| 2354 | |
| 2355 | |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2356 | void Assembler::movdqa(const Operand& dst, XMMRegister src) { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2357 | EnsureSpace ensure_space(this); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2358 | EMIT(0x66); |
| 2359 | EMIT(0x0F); |
| 2360 | EMIT(0x7F); |
| 2361 | emit_sse_operand(src, dst); |
| 2362 | } |
| 2363 | |
| 2364 | |
| 2365 | void Assembler::movdqa(XMMRegister dst, const Operand& src) { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2366 | EnsureSpace ensure_space(this); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2367 | EMIT(0x66); |
| 2368 | EMIT(0x0F); |
| 2369 | EMIT(0x6F); |
| 2370 | emit_sse_operand(dst, src); |
| 2371 | } |
| 2372 | |
| 2373 | |
| 2374 | void Assembler::movdqu(const Operand& dst, XMMRegister src ) { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2375 | EnsureSpace ensure_space(this); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2376 | EMIT(0xF3); |
| 2377 | EMIT(0x0F); |
| 2378 | EMIT(0x7F); |
| 2379 | emit_sse_operand(src, dst); |
| 2380 | } |
| 2381 | |
| 2382 | |
| 2383 | void Assembler::movdqu(XMMRegister dst, const Operand& src) { |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2384 | EnsureSpace ensure_space(this); |
Leon Clarke | e46be81 | 2010-01-19 14:06:41 +0000 | [diff] [blame] | 2385 | EMIT(0xF3); |
| 2386 | EMIT(0x0F); |
| 2387 | EMIT(0x6F); |
| 2388 | emit_sse_operand(dst, src); |
| 2389 | } |
| 2390 | |
| 2391 | |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 2392 | void Assembler::prefetch(const Operand& src, int level) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2393 | DCHECK(is_uint2(level)); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 2394 | EnsureSpace ensure_space(this); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 2395 | EMIT(0x0F); |
| 2396 | EMIT(0x18); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2397 | // Emit hint number in Reg position of RegR/M. |
| 2398 | XMMRegister code = XMMRegister::from_code(level); |
Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 2399 | emit_sse_operand(code, src); |
| 2400 | } |
| 2401 | |
| 2402 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2403 | void Assembler::movsd(const Operand& dst, XMMRegister src ) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2404 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2405 | EMIT(0xF2); // double |
| 2406 | EMIT(0x0F); |
| 2407 | EMIT(0x11); // store |
| 2408 | emit_sse_operand(src, dst); |
| 2409 | } |
| 2410 | |
| 2411 | |
| 2412 | void Assembler::movsd(XMMRegister dst, const Operand& src) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2413 | EnsureSpace ensure_space(this); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2414 | EMIT(0xF2); // double |
| 2415 | EMIT(0x0F); |
| 2416 | EMIT(0x10); // load |
| 2417 | emit_sse_operand(dst, src); |
| 2418 | } |
| 2419 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2420 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2421 | void Assembler::movss(const Operand& dst, XMMRegister src ) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2422 | EnsureSpace ensure_space(this); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2423 | EMIT(0xF3); // float |
| 2424 | EMIT(0x0F); |
| 2425 | EMIT(0x11); // store |
| 2426 | emit_sse_operand(src, dst); |
| 2427 | } |
| 2428 | |
| 2429 | |
| 2430 | void Assembler::movss(XMMRegister dst, const Operand& src) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2431 | EnsureSpace ensure_space(this); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2432 | EMIT(0xF3); // float |
| 2433 | EMIT(0x0F); |
| 2434 | EMIT(0x10); // load |
| 2435 | emit_sse_operand(dst, src); |
| 2436 | } |
| 2437 | |
| 2438 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2439 | void Assembler::movd(XMMRegister dst, const Operand& src) { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2440 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2441 | EMIT(0x66); |
| 2442 | EMIT(0x0F); |
| 2443 | EMIT(0x6E); |
| 2444 | emit_sse_operand(dst, src); |
| 2445 | } |
| 2446 | |
| 2447 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2448 | void Assembler::movd(const Operand& dst, XMMRegister src) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2449 | EnsureSpace ensure_space(this); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2450 | EMIT(0x66); |
| 2451 | EMIT(0x0F); |
| 2452 | EMIT(0x7E); |
| 2453 | emit_sse_operand(src, dst); |
| 2454 | } |
| 2455 | |
| 2456 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2457 | void Assembler::extractps(Register dst, XMMRegister src, byte imm8) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2458 | DCHECK(IsEnabled(SSE4_1)); |
| 2459 | DCHECK(is_uint8(imm8)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2460 | EnsureSpace ensure_space(this); |
| 2461 | EMIT(0x66); |
| 2462 | EMIT(0x0F); |
| 2463 | EMIT(0x3A); |
| 2464 | EMIT(0x17); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2465 | emit_sse_operand(src, dst); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2466 | EMIT(imm8); |
| 2467 | } |
| 2468 | |
| 2469 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2470 | void Assembler::pand(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2471 | EnsureSpace ensure_space(this); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2472 | EMIT(0x66); |
| 2473 | EMIT(0x0F); |
| 2474 | EMIT(0xDB); |
| 2475 | emit_sse_operand(dst, src); |
| 2476 | } |
| 2477 | |
| 2478 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2479 | void Assembler::pxor(XMMRegister dst, XMMRegister src) { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2480 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2481 | EMIT(0x66); |
| 2482 | EMIT(0x0F); |
| 2483 | EMIT(0xEF); |
| 2484 | emit_sse_operand(dst, src); |
| 2485 | } |
| 2486 | |
| 2487 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2488 | void Assembler::por(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2489 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2490 | EMIT(0x66); |
| 2491 | EMIT(0x0F); |
| 2492 | EMIT(0xEB); |
| 2493 | emit_sse_operand(dst, src); |
| 2494 | } |
| 2495 | |
| 2496 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2497 | void Assembler::ptest(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2498 | DCHECK(IsEnabled(SSE4_1)); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2499 | EnsureSpace ensure_space(this); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2500 | EMIT(0x66); |
| 2501 | EMIT(0x0F); |
| 2502 | EMIT(0x38); |
| 2503 | EMIT(0x17); |
| 2504 | emit_sse_operand(dst, src); |
| 2505 | } |
| 2506 | |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2507 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2508 | void Assembler::pslld(XMMRegister reg, int8_t shift) { |
| 2509 | EnsureSpace ensure_space(this); |
| 2510 | EMIT(0x66); |
| 2511 | EMIT(0x0F); |
| 2512 | EMIT(0x72); |
| 2513 | emit_sse_operand(esi, reg); // esi == 6 |
| 2514 | EMIT(shift); |
| 2515 | } |
| 2516 | |
| 2517 | |
| 2518 | void Assembler::psrld(XMMRegister reg, int8_t shift) { |
| 2519 | EnsureSpace ensure_space(this); |
| 2520 | EMIT(0x66); |
| 2521 | EMIT(0x0F); |
| 2522 | EMIT(0x72); |
| 2523 | emit_sse_operand(edx, reg); // edx == 2 |
| 2524 | EMIT(shift); |
| 2525 | } |
| 2526 | |
| 2527 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2528 | void Assembler::psllq(XMMRegister reg, int8_t shift) { |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2529 | EnsureSpace ensure_space(this); |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2530 | EMIT(0x66); |
| 2531 | EMIT(0x0F); |
| 2532 | EMIT(0x73); |
| 2533 | emit_sse_operand(esi, reg); // esi == 6 |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2534 | EMIT(shift); |
| 2535 | } |
| 2536 | |
| 2537 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2538 | void Assembler::psllq(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2539 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2540 | EMIT(0x66); |
| 2541 | EMIT(0x0F); |
| 2542 | EMIT(0xF3); |
| 2543 | emit_sse_operand(dst, src); |
| 2544 | } |
| 2545 | |
| 2546 | |
| 2547 | void Assembler::psrlq(XMMRegister reg, int8_t shift) { |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2548 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2549 | EMIT(0x66); |
| 2550 | EMIT(0x0F); |
| 2551 | EMIT(0x73); |
| 2552 | emit_sse_operand(edx, reg); // edx == 2 |
| 2553 | EMIT(shift); |
| 2554 | } |
| 2555 | |
| 2556 | |
| 2557 | void Assembler::psrlq(XMMRegister dst, XMMRegister src) { |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2558 | EnsureSpace ensure_space(this); |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2559 | EMIT(0x66); |
| 2560 | EMIT(0x0F); |
| 2561 | EMIT(0xD3); |
| 2562 | emit_sse_operand(dst, src); |
| 2563 | } |
| 2564 | |
| 2565 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2566 | void Assembler::pshufd(XMMRegister dst, XMMRegister src, uint8_t shuffle) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2567 | EnsureSpace ensure_space(this); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2568 | EMIT(0x66); |
| 2569 | EMIT(0x0F); |
| 2570 | EMIT(0x70); |
| 2571 | emit_sse_operand(dst, src); |
| 2572 | EMIT(shuffle); |
| 2573 | } |
| 2574 | |
| 2575 | |
| 2576 | void Assembler::pextrd(const Operand& dst, XMMRegister src, int8_t offset) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2577 | DCHECK(IsEnabled(SSE4_1)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2578 | EnsureSpace ensure_space(this); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2579 | EMIT(0x66); |
| 2580 | EMIT(0x0F); |
| 2581 | EMIT(0x3A); |
| 2582 | EMIT(0x16); |
| 2583 | emit_sse_operand(src, dst); |
| 2584 | EMIT(offset); |
Kristian Monsen | 0d5e116 | 2010-09-30 15:31:59 +0100 | [diff] [blame] | 2585 | } |
| 2586 | |
| 2587 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2588 | void Assembler::pinsrd(XMMRegister dst, const Operand& src, int8_t offset) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2589 | DCHECK(IsEnabled(SSE4_1)); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2590 | EnsureSpace ensure_space(this); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2591 | EMIT(0x66); |
| 2592 | EMIT(0x0F); |
| 2593 | EMIT(0x3A); |
| 2594 | EMIT(0x22); |
| 2595 | emit_sse_operand(dst, src); |
| 2596 | EMIT(offset); |
| 2597 | } |
| 2598 | |
| 2599 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2600 | void Assembler::addss(XMMRegister dst, const Operand& src) { |
| 2601 | EnsureSpace ensure_space(this); |
| 2602 | EMIT(0xF3); |
| 2603 | EMIT(0x0F); |
| 2604 | EMIT(0x58); |
| 2605 | emit_sse_operand(dst, src); |
| 2606 | } |
| 2607 | |
| 2608 | |
| 2609 | void Assembler::subss(XMMRegister dst, const Operand& src) { |
| 2610 | EnsureSpace ensure_space(this); |
| 2611 | EMIT(0xF3); |
| 2612 | EMIT(0x0F); |
| 2613 | EMIT(0x5C); |
| 2614 | emit_sse_operand(dst, src); |
| 2615 | } |
| 2616 | |
| 2617 | |
| 2618 | void Assembler::mulss(XMMRegister dst, const Operand& src) { |
| 2619 | EnsureSpace ensure_space(this); |
| 2620 | EMIT(0xF3); |
| 2621 | EMIT(0x0F); |
| 2622 | EMIT(0x59); |
| 2623 | emit_sse_operand(dst, src); |
| 2624 | } |
| 2625 | |
| 2626 | |
| 2627 | void Assembler::divss(XMMRegister dst, const Operand& src) { |
| 2628 | EnsureSpace ensure_space(this); |
| 2629 | EMIT(0xF3); |
| 2630 | EMIT(0x0F); |
| 2631 | EMIT(0x5E); |
| 2632 | emit_sse_operand(dst, src); |
| 2633 | } |
| 2634 | |
| 2635 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2636 | void Assembler::sqrtss(XMMRegister dst, const Operand& src) { |
| 2637 | EnsureSpace ensure_space(this); |
| 2638 | EMIT(0xF3); |
| 2639 | EMIT(0x0F); |
| 2640 | EMIT(0x51); |
| 2641 | emit_sse_operand(dst, src); |
| 2642 | } |
| 2643 | |
| 2644 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2645 | void Assembler::ucomiss(XMMRegister dst, const Operand& src) { |
| 2646 | EnsureSpace ensure_space(this); |
| 2647 | EMIT(0x0f); |
| 2648 | EMIT(0x2e); |
| 2649 | emit_sse_operand(dst, src); |
| 2650 | } |
| 2651 | |
| 2652 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2653 | void Assembler::maxss(XMMRegister dst, const Operand& src) { |
| 2654 | EnsureSpace ensure_space(this); |
| 2655 | EMIT(0xF3); |
| 2656 | EMIT(0x0F); |
| 2657 | EMIT(0x5F); |
| 2658 | emit_sse_operand(dst, src); |
| 2659 | } |
| 2660 | |
| 2661 | |
| 2662 | void Assembler::minss(XMMRegister dst, const Operand& src) { |
| 2663 | EnsureSpace ensure_space(this); |
| 2664 | EMIT(0xF3); |
| 2665 | EMIT(0x0F); |
| 2666 | EMIT(0x5D); |
| 2667 | emit_sse_operand(dst, src); |
| 2668 | } |
| 2669 | |
| 2670 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2671 | // AVX instructions |
| 2672 | void Assembler::vfmasd(byte op, XMMRegister dst, XMMRegister src1, |
| 2673 | const Operand& src2) { |
| 2674 | DCHECK(IsEnabled(FMA3)); |
| 2675 | EnsureSpace ensure_space(this); |
| 2676 | emit_vex_prefix(src1, kLIG, k66, k0F38, kW1); |
| 2677 | EMIT(op); |
| 2678 | emit_sse_operand(dst, src2); |
| 2679 | } |
| 2680 | |
| 2681 | |
| 2682 | void Assembler::vfmass(byte op, XMMRegister dst, XMMRegister src1, |
| 2683 | const Operand& src2) { |
| 2684 | DCHECK(IsEnabled(FMA3)); |
| 2685 | EnsureSpace ensure_space(this); |
| 2686 | emit_vex_prefix(src1, kLIG, k66, k0F38, kW0); |
| 2687 | EMIT(op); |
| 2688 | emit_sse_operand(dst, src2); |
| 2689 | } |
| 2690 | |
| 2691 | |
| 2692 | void Assembler::vsd(byte op, XMMRegister dst, XMMRegister src1, |
| 2693 | const Operand& src2) { |
| 2694 | DCHECK(IsEnabled(AVX)); |
| 2695 | EnsureSpace ensure_space(this); |
| 2696 | emit_vex_prefix(src1, kLIG, kF2, k0F, kWIG); |
| 2697 | EMIT(op); |
| 2698 | emit_sse_operand(dst, src2); |
| 2699 | } |
| 2700 | |
| 2701 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2702 | void Assembler::vss(byte op, XMMRegister dst, XMMRegister src1, |
| 2703 | const Operand& src2) { |
| 2704 | DCHECK(IsEnabled(AVX)); |
| 2705 | EnsureSpace ensure_space(this); |
| 2706 | emit_vex_prefix(src1, kLIG, kF3, k0F, kWIG); |
| 2707 | EMIT(op); |
| 2708 | emit_sse_operand(dst, src2); |
| 2709 | } |
| 2710 | |
| 2711 | |
| 2712 | void Assembler::vps(byte op, XMMRegister dst, XMMRegister src1, |
| 2713 | const Operand& src2) { |
| 2714 | DCHECK(IsEnabled(AVX)); |
| 2715 | EnsureSpace ensure_space(this); |
| 2716 | emit_vex_prefix(src1, kL128, kNone, k0F, kWIG); |
| 2717 | EMIT(op); |
| 2718 | emit_sse_operand(dst, src2); |
| 2719 | } |
| 2720 | |
| 2721 | |
| 2722 | void Assembler::vpd(byte op, XMMRegister dst, XMMRegister src1, |
| 2723 | const Operand& src2) { |
| 2724 | DCHECK(IsEnabled(AVX)); |
| 2725 | EnsureSpace ensure_space(this); |
| 2726 | emit_vex_prefix(src1, kL128, k66, k0F, kWIG); |
| 2727 | EMIT(op); |
| 2728 | emit_sse_operand(dst, src2); |
| 2729 | } |
| 2730 | |
| 2731 | |
| 2732 | void Assembler::bmi1(byte op, Register reg, Register vreg, const Operand& rm) { |
| 2733 | DCHECK(IsEnabled(BMI1)); |
| 2734 | EnsureSpace ensure_space(this); |
| 2735 | emit_vex_prefix(vreg, kLZ, kNone, k0F38, kW0); |
| 2736 | EMIT(op); |
| 2737 | emit_operand(reg, rm); |
| 2738 | } |
| 2739 | |
| 2740 | |
| 2741 | void Assembler::tzcnt(Register dst, const Operand& src) { |
| 2742 | DCHECK(IsEnabled(BMI1)); |
| 2743 | EnsureSpace ensure_space(this); |
| 2744 | EMIT(0xF3); |
| 2745 | EMIT(0x0F); |
| 2746 | EMIT(0xBC); |
| 2747 | emit_operand(dst, src); |
| 2748 | } |
| 2749 | |
| 2750 | |
| 2751 | void Assembler::lzcnt(Register dst, const Operand& src) { |
| 2752 | DCHECK(IsEnabled(LZCNT)); |
| 2753 | EnsureSpace ensure_space(this); |
| 2754 | EMIT(0xF3); |
| 2755 | EMIT(0x0F); |
| 2756 | EMIT(0xBD); |
| 2757 | emit_operand(dst, src); |
| 2758 | } |
| 2759 | |
| 2760 | |
| 2761 | void Assembler::popcnt(Register dst, const Operand& src) { |
| 2762 | DCHECK(IsEnabled(POPCNT)); |
| 2763 | EnsureSpace ensure_space(this); |
| 2764 | EMIT(0xF3); |
| 2765 | EMIT(0x0F); |
| 2766 | EMIT(0xB8); |
| 2767 | emit_operand(dst, src); |
| 2768 | } |
| 2769 | |
| 2770 | |
| 2771 | void Assembler::bmi2(SIMDPrefix pp, byte op, Register reg, Register vreg, |
| 2772 | const Operand& rm) { |
| 2773 | DCHECK(IsEnabled(BMI2)); |
| 2774 | EnsureSpace ensure_space(this); |
| 2775 | emit_vex_prefix(vreg, kLZ, pp, k0F38, kW0); |
| 2776 | EMIT(op); |
| 2777 | emit_operand(reg, rm); |
| 2778 | } |
| 2779 | |
| 2780 | |
| 2781 | void Assembler::rorx(Register dst, const Operand& src, byte imm8) { |
| 2782 | DCHECK(IsEnabled(BMI2)); |
| 2783 | DCHECK(is_uint8(imm8)); |
| 2784 | Register vreg = {0}; // VEX.vvvv unused |
| 2785 | EnsureSpace ensure_space(this); |
| 2786 | emit_vex_prefix(vreg, kLZ, kF2, k0F3A, kW0); |
| 2787 | EMIT(0xF0); |
| 2788 | emit_operand(dst, src); |
| 2789 | EMIT(imm8); |
| 2790 | } |
| 2791 | |
| 2792 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2793 | void Assembler::emit_sse_operand(XMMRegister reg, const Operand& adr) { |
| 2794 | Register ireg = { reg.code() }; |
| 2795 | emit_operand(ireg, adr); |
| 2796 | } |
| 2797 | |
| 2798 | |
| 2799 | void Assembler::emit_sse_operand(XMMRegister dst, XMMRegister src) { |
| 2800 | EMIT(0xC0 | dst.code() << 3 | src.code()); |
| 2801 | } |
| 2802 | |
| 2803 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 2804 | void Assembler::emit_sse_operand(Register dst, XMMRegister src) { |
| 2805 | EMIT(0xC0 | dst.code() << 3 | src.code()); |
| 2806 | } |
| 2807 | |
| 2808 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2809 | void Assembler::emit_sse_operand(XMMRegister dst, Register src) { |
| 2810 | EMIT(0xC0 | (dst.code() << 3) | src.code()); |
| 2811 | } |
| 2812 | |
| 2813 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2814 | void Assembler::emit_vex_prefix(XMMRegister vreg, VectorLength l, SIMDPrefix pp, |
| 2815 | LeadingOpcode mm, VexW w) { |
| 2816 | if (mm != k0F || w != kW0) { |
| 2817 | EMIT(0xc4); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2818 | // Change RXB from "110" to "111" to align with gdb disassembler. |
| 2819 | EMIT(0xe0 | mm); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 2820 | EMIT(w | ((~vreg.code() & 0xf) << 3) | l | pp); |
| 2821 | } else { |
| 2822 | EMIT(0xc5); |
| 2823 | EMIT(((~vreg.code()) << 3) | l | pp); |
| 2824 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2825 | } |
| 2826 | |
| 2827 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2828 | void Assembler::emit_vex_prefix(Register vreg, VectorLength l, SIMDPrefix pp, |
| 2829 | LeadingOpcode mm, VexW w) { |
| 2830 | XMMRegister ivreg = {vreg.code()}; |
| 2831 | emit_vex_prefix(ivreg, l, pp, mm, w); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2832 | } |
| 2833 | |
| 2834 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2835 | void Assembler::GrowBuffer() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2836 | DCHECK(buffer_overflow()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2837 | if (!own_buffer_) FATAL("external code buffer is too small"); |
| 2838 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2839 | // Compute new buffer size. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2840 | CodeDesc desc; // the new buffer |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2841 | desc.buffer_size = 2 * buffer_size_; |
| 2842 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2843 | // Some internal data structures overflow for very large buffers, |
| 2844 | // they must ensure that kMaximalBufferSize is not too large. |
| 2845 | if ((desc.buffer_size > kMaximalBufferSize) || |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2846 | (desc.buffer_size > isolate()->heap()->MaxOldGenerationSize())) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2847 | V8::FatalProcessOutOfMemory("Assembler::GrowBuffer"); |
| 2848 | } |
| 2849 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2850 | // Set up new buffer. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2851 | desc.buffer = NewArray<byte>(desc.buffer_size); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2852 | desc.origin = this; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2853 | desc.instr_size = pc_offset(); |
| 2854 | desc.reloc_size = (buffer_ + buffer_size_) - (reloc_info_writer.pos()); |
| 2855 | |
| 2856 | // Clear the buffer in debug mode. Use 'int3' instructions to make |
| 2857 | // sure to get into problems if we ever run uninitialized code. |
| 2858 | #ifdef DEBUG |
| 2859 | memset(desc.buffer, 0xCC, desc.buffer_size); |
| 2860 | #endif |
| 2861 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2862 | // Copy the data. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2863 | int pc_delta = desc.buffer - buffer_; |
| 2864 | int rc_delta = (desc.buffer + desc.buffer_size) - (buffer_ + buffer_size_); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2865 | MemMove(desc.buffer, buffer_, desc.instr_size); |
| 2866 | MemMove(rc_delta + reloc_info_writer.pos(), reloc_info_writer.pos(), |
| 2867 | desc.reloc_size); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2868 | |
Andrei Popescu | 3100271 | 2010-02-23 13:46:05 +0000 | [diff] [blame] | 2869 | // Switch buffers. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2870 | DeleteArray(buffer_); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2871 | buffer_ = desc.buffer; |
| 2872 | buffer_size_ = desc.buffer_size; |
| 2873 | pc_ += pc_delta; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2874 | reloc_info_writer.Reposition(reloc_info_writer.pos() + rc_delta, |
| 2875 | reloc_info_writer.last_pc() + pc_delta); |
| 2876 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2877 | // Relocate internal references. |
| 2878 | for (auto pos : internal_reference_positions_) { |
| 2879 | int32_t* p = reinterpret_cast<int32_t*>(buffer_ + pos); |
| 2880 | *p += pc_delta; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2881 | } |
| 2882 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2883 | DCHECK(!buffer_overflow()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2884 | } |
| 2885 | |
| 2886 | |
| 2887 | void Assembler::emit_arith_b(int op1, int op2, Register dst, int imm8) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2888 | DCHECK(is_uint8(op1) && is_uint8(op2)); // wrong opcode |
| 2889 | DCHECK(is_uint8(imm8)); |
| 2890 | DCHECK((op1 & 0x01) == 0); // should be 8bit operation |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2891 | EMIT(op1); |
| 2892 | EMIT(op2 | dst.code()); |
| 2893 | EMIT(imm8); |
| 2894 | } |
| 2895 | |
| 2896 | |
| 2897 | void Assembler::emit_arith(int sel, Operand dst, const Immediate& x) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2898 | DCHECK((0 <= sel) && (sel <= 7)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2899 | Register ireg = { sel }; |
| 2900 | if (x.is_int8()) { |
| 2901 | EMIT(0x83); // using a sign-extended 8-bit immediate. |
| 2902 | emit_operand(ireg, dst); |
| 2903 | EMIT(x.x_ & 0xFF); |
| 2904 | } else if (dst.is_reg(eax)) { |
| 2905 | EMIT((sel << 3) | 0x05); // short form if the destination is eax. |
| 2906 | emit(x); |
| 2907 | } else { |
| 2908 | EMIT(0x81); // using a literal 32-bit immediate. |
| 2909 | emit_operand(ireg, dst); |
| 2910 | emit(x); |
| 2911 | } |
| 2912 | } |
| 2913 | |
| 2914 | |
| 2915 | void Assembler::emit_operand(Register reg, const Operand& adr) { |
| 2916 | const unsigned length = adr.len_; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2917 | DCHECK(length > 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2918 | |
| 2919 | // Emit updated ModRM byte containing the given register. |
| 2920 | pc_[0] = (adr.buf_[0] & ~0x38) | (reg.code() << 3); |
| 2921 | |
| 2922 | // Emit the rest of the encoded operand. |
| 2923 | for (unsigned i = 1; i < length; i++) pc_[i] = adr.buf_[i]; |
| 2924 | pc_ += length; |
| 2925 | |
| 2926 | // Emit relocation information if necessary. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2927 | if (length >= sizeof(int32_t) && !RelocInfo::IsNone(adr.rmode_)) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2928 | pc_ -= sizeof(int32_t); // pc_ must be *at* disp32 |
| 2929 | RecordRelocInfo(adr.rmode_); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2930 | if (adr.rmode_ == RelocInfo::INTERNAL_REFERENCE) { // Fixup for labels |
| 2931 | emit_label(*reinterpret_cast<Label**>(pc_)); |
| 2932 | } else { |
| 2933 | pc_ += sizeof(int32_t); |
| 2934 | } |
| 2935 | } |
| 2936 | } |
| 2937 | |
| 2938 | |
| 2939 | void Assembler::emit_label(Label* label) { |
| 2940 | if (label->is_bound()) { |
| 2941 | internal_reference_positions_.push_back(pc_offset()); |
| 2942 | emit(reinterpret_cast<uint32_t>(buffer_ + label->pos())); |
| 2943 | } else { |
| 2944 | emit_disp(label, Displacement::CODE_ABSOLUTE); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2945 | } |
| 2946 | } |
| 2947 | |
| 2948 | |
| 2949 | void Assembler::emit_farith(int b1, int b2, int i) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2950 | DCHECK(is_uint8(b1) && is_uint8(b2)); // wrong opcode |
| 2951 | DCHECK(0 <= i && i < 8); // illegal stack offset |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2952 | EMIT(b1); |
| 2953 | EMIT(b2 + i); |
| 2954 | } |
| 2955 | |
| 2956 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2957 | void Assembler::db(uint8_t data) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2958 | EnsureSpace ensure_space(this); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2959 | EMIT(data); |
| 2960 | } |
| 2961 | |
| 2962 | |
| 2963 | void Assembler::dd(uint32_t data) { |
| 2964 | EnsureSpace ensure_space(this); |
| 2965 | emit(data); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2966 | } |
| 2967 | |
| 2968 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2969 | void Assembler::dq(uint64_t data) { |
| 2970 | EnsureSpace ensure_space(this); |
| 2971 | emit_q(data); |
| 2972 | } |
| 2973 | |
| 2974 | |
| 2975 | void Assembler::dd(Label* label) { |
| 2976 | EnsureSpace ensure_space(this); |
| 2977 | RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE); |
| 2978 | emit_label(label); |
| 2979 | } |
| 2980 | |
| 2981 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2982 | void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2983 | DCHECK(!RelocInfo::IsNone(rmode)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2984 | // Don't record external references unless the heap will be serialized. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2985 | if (rmode == RelocInfo::EXTERNAL_REFERENCE && |
| 2986 | !serializer_enabled() && !emit_debug_code()) { |
| 2987 | return; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2988 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 2989 | RelocInfo rinfo(isolate(), pc_, rmode, data, NULL); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 2990 | reloc_info_writer.Write(&rinfo); |
| 2991 | } |
| 2992 | |
| 2993 | |
| 2994 | #ifdef GENERATED_CODE_COVERAGE |
| 2995 | static FILE* coverage_log = NULL; |
| 2996 | |
| 2997 | |
| 2998 | static void InitCoverageLog() { |
| 2999 | char* file_name = getenv("V8_GENERATED_CODE_COVERAGE_LOG"); |
| 3000 | if (file_name != NULL) { |
| 3001 | coverage_log = fopen(file_name, "aw+"); |
| 3002 | } |
| 3003 | } |
| 3004 | |
| 3005 | |
| 3006 | void LogGeneratedCodeCoverage(const char* file_line) { |
| 3007 | const char* return_address = (&file_line)[-1]; |
| 3008 | char* push_insn = const_cast<char*>(return_address - 12); |
| 3009 | push_insn[0] = 0xeb; // Relative branch insn. |
| 3010 | push_insn[1] = 13; // Skip over coverage insns. |
| 3011 | if (coverage_log != NULL) { |
| 3012 | fprintf(coverage_log, "%s\n", file_line); |
| 3013 | fflush(coverage_log); |
| 3014 | } |
| 3015 | } |
| 3016 | |
| 3017 | #endif |
| 3018 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 3019 | } // namespace internal |
| 3020 | } // namespace v8 |
Leon Clarke | f7060e2 | 2010-06-03 12:02:55 +0100 | [diff] [blame] | 3021 | |
| 3022 | #endif // V8_TARGET_ARCH_IA32 |