christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +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. |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 35 | // Copyright 2012 the V8 project authors. All rights reserved. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 36 | |
| 37 | #include "v8.h" |
| 38 | |
jkummerow@chromium.org | 93a47f4 | 2013-07-02 14:43:41 +0000 | [diff] [blame] | 39 | #if V8_TARGET_ARCH_IA32 |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 40 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 41 | #include "disassembler.h" |
| 42 | #include "macro-assembler.h" |
| 43 | #include "serialize.h" |
| 44 | |
kasperl@chromium.org | 71affb5 | 2009-05-26 05:44:31 +0000 | [diff] [blame] | 45 | namespace v8 { |
| 46 | namespace internal { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 47 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 48 | // ----------------------------------------------------------------------------- |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 49 | // Implementation of CpuFeatures |
| 50 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 51 | #ifdef DEBUG |
| 52 | bool CpuFeatures::initialized_ = false; |
| 53 | #endif |
| 54 | uint64_t CpuFeatures::supported_ = 0; |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 55 | uint64_t CpuFeatures::found_by_runtime_probing_only_ = 0; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 56 | |
| 57 | |
yangguo@chromium.org | 003650e | 2013-01-24 16:31:08 +0000 | [diff] [blame] | 58 | ExternalReference ExternalReference::cpu_features() { |
| 59 | ASSERT(CpuFeatures::initialized_); |
| 60 | return ExternalReference(&CpuFeatures::supported_); |
| 61 | } |
| 62 | |
| 63 | |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 64 | int IntelDoubleRegister::NumAllocatableRegisters() { |
| 65 | if (CpuFeatures::IsSupported(SSE2)) { |
| 66 | return XMMRegister::kNumAllocatableRegisters; |
| 67 | } else { |
danno@chromium.org | 169691d | 2013-07-15 08:01:13 +0000 | [diff] [blame] | 68 | return X87Register::kNumAllocatableRegisters; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 69 | } |
| 70 | } |
| 71 | |
| 72 | |
| 73 | int IntelDoubleRegister::NumRegisters() { |
| 74 | if (CpuFeatures::IsSupported(SSE2)) { |
| 75 | return XMMRegister::kNumRegisters; |
| 76 | } else { |
danno@chromium.org | 169691d | 2013-07-15 08:01:13 +0000 | [diff] [blame] | 77 | return X87Register::kNumRegisters; |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 78 | } |
| 79 | } |
| 80 | |
| 81 | |
| 82 | const char* IntelDoubleRegister::AllocationIndexToString(int index) { |
| 83 | if (CpuFeatures::IsSupported(SSE2)) { |
| 84 | return XMMRegister::AllocationIndexToString(index); |
| 85 | } else { |
danno@chromium.org | 169691d | 2013-07-15 08:01:13 +0000 | [diff] [blame] | 86 | return X87Register::AllocationIndexToString(index); |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 87 | } |
| 88 | } |
| 89 | |
| 90 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 91 | // The Probe method needs executable memory, so it uses Heap::CreateCode. |
| 92 | // Allocation failure is silent and leads to safe default. |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 93 | void CpuFeatures::Probe() { |
| 94 | ASSERT(!initialized_); |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 95 | ASSERT(supported_ == 0); |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 96 | #ifdef DEBUG |
| 97 | initialized_ = true; |
| 98 | #endif |
| 99 | if (Serializer::enabled()) { |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 100 | supported_ |= OS::CpuFeaturesImpliedByPlatform(); |
| 101 | return; // No features if we might serialize. |
| 102 | } |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 103 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 104 | const int kBufferSize = 4 * KB; |
| 105 | VirtualMemory* memory = new VirtualMemory(kBufferSize); |
| 106 | if (!memory->IsReserved()) { |
| 107 | delete memory; |
| 108 | return; |
| 109 | } |
| 110 | ASSERT(memory->size() >= static_cast<size_t>(kBufferSize)); |
| 111 | if (!memory->Commit(memory->address(), kBufferSize, true/*executable*/)) { |
| 112 | delete memory; |
| 113 | return; |
| 114 | } |
| 115 | |
| 116 | Assembler assm(NULL, memory->address(), kBufferSize); |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 117 | Label cpuid, done; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 118 | #define __ assm. |
| 119 | // Save old esp, since we are going to modify the stack. |
| 120 | __ push(ebp); |
| 121 | __ pushfd(); |
| 122 | __ push(ecx); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 123 | __ push(ebx); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 124 | __ mov(ebp, esp); |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 125 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 126 | // If we can modify bit 21 of the EFLAGS register, then CPUID is supported. |
| 127 | __ pushfd(); |
| 128 | __ pop(eax); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 129 | __ mov(edx, eax); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 130 | __ xor_(eax, 0x200000); // Flip bit 21. |
| 131 | __ push(eax); |
| 132 | __ popfd(); |
| 133 | __ pushfd(); |
| 134 | __ pop(eax); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 135 | __ xor_(eax, edx); // Different if CPUID is supported. |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 136 | __ j(not_zero, &cpuid); |
| 137 | |
| 138 | // CPUID not supported. Clear the supported features in edx:eax. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 139 | __ xor_(eax, eax); |
| 140 | __ xor_(edx, edx); |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 141 | __ jmp(&done); |
| 142 | |
| 143 | // Invoke CPUID with 1 in eax to get feature information in |
| 144 | // ecx:edx. Temporarily enable CPUID support because we know it's |
| 145 | // safe here. |
| 146 | __ bind(&cpuid); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 147 | __ mov(eax, 1); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 148 | supported_ = (1 << CPUID); |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 149 | { CpuFeatureScope fscope(&assm, CPUID); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 150 | __ cpuid(); |
| 151 | } |
| 152 | supported_ = 0; |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 153 | |
| 154 | // Move the result from ecx:edx to edx:eax and make sure to mark the |
| 155 | // CPUID feature as supported. |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 156 | __ mov(eax, edx); |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 157 | __ or_(eax, 1 << CPUID); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 158 | __ mov(edx, ecx); |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 159 | |
| 160 | // Done. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 161 | __ bind(&done); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 162 | __ mov(esp, ebp); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 163 | __ pop(ebx); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 164 | __ pop(ecx); |
| 165 | __ popfd(); |
| 166 | __ pop(ebp); |
| 167 | __ ret(0); |
| 168 | #undef __ |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 169 | |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 170 | typedef uint64_t (*F0)(); |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 171 | F0 probe = FUNCTION_CAST<F0>(reinterpret_cast<Address>(memory->address())); |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 172 | uint64_t probed_features = probe(); |
| 173 | uint64_t platform_features = OS::CpuFeaturesImpliedByPlatform(); |
| 174 | supported_ = probed_features | platform_features; |
| 175 | found_by_runtime_probing_only_ = probed_features & ~platform_features; |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 176 | |
| 177 | delete memory; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | |
| 181 | // ----------------------------------------------------------------------------- |
kasper.lund | 7276f14 | 2008-07-30 08:49:36 +0000 | [diff] [blame] | 182 | // Implementation of Displacement |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 183 | |
kasper.lund | 7276f14 | 2008-07-30 08:49:36 +0000 | [diff] [blame] | 184 | void Displacement::init(Label* L, Type type) { |
| 185 | ASSERT(!L->is_bound()); |
| 186 | int next = 0; |
| 187 | if (L->is_linked()) { |
| 188 | next = L->pos(); |
| 189 | ASSERT(next > 0); // Displacements must be at positions > 0 |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 190 | } |
kasper.lund | 7276f14 | 2008-07-30 08:49:36 +0000 | [diff] [blame] | 191 | // Ensure that we _never_ overflow the next field. |
| 192 | ASSERT(NextField::is_valid(Assembler::kMaximalBufferSize)); |
| 193 | data_ = NextField::encode(next) | TypeField::encode(type); |
| 194 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 195 | |
| 196 | |
| 197 | // ----------------------------------------------------------------------------- |
| 198 | // Implementation of RelocInfo |
| 199 | |
| 200 | |
| 201 | const int RelocInfo::kApplyMask = |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 202 | RelocInfo::kCodeTargetMask | 1 << RelocInfo::RUNTIME_ENTRY | |
lrn@chromium.org | c4e51ac | 2010-08-09 09:47:21 +0000 | [diff] [blame] | 203 | 1 << RelocInfo::JS_RETURN | 1 << RelocInfo::INTERNAL_REFERENCE | |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 204 | 1 << RelocInfo::DEBUG_BREAK_SLOT | 1 << RelocInfo::CODE_AGE_SEQUENCE; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 205 | |
| 206 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 207 | bool RelocInfo::IsCodedSpecially() { |
| 208 | // The deserializer needs to know whether a pointer is specially coded. Being |
| 209 | // specially coded on IA32 means that it is a relative address, as used by |
| 210 | // branch instructions. These are also the ones that need changing when a |
| 211 | // code object moves. |
| 212 | return (1 << rmode_) & kApplyMask; |
| 213 | } |
| 214 | |
| 215 | |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 216 | void RelocInfo::PatchCode(byte* instructions, int instruction_count) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 217 | // Patch the code at the current address with the supplied instructions. |
| 218 | for (int i = 0; i < instruction_count; i++) { |
| 219 | *(pc_ + i) = *(instructions + i); |
| 220 | } |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 221 | |
| 222 | // Indicate that code has changed. |
| 223 | CPU::FlushICache(pc_, instruction_count); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | |
| 227 | // Patch the code at the current PC with a call to the target address. |
| 228 | // Additional guard int3 instructions can be added if required. |
iposva@chromium.org | 245aa85 | 2009-02-10 00:49:54 +0000 | [diff] [blame] | 229 | void RelocInfo::PatchCodeWithCall(Address target, int guard_bytes) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 230 | // Call instruction takes up 5 bytes and int3 takes up one byte. |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 231 | static const int kCallCodeSize = 5; |
| 232 | int code_size = kCallCodeSize + guard_bytes; |
| 233 | |
| 234 | // Create a code patcher. |
| 235 | CodePatcher patcher(pc_, code_size); |
| 236 | |
| 237 | // Add a label for checking the size of the code used for returning. |
| 238 | #ifdef DEBUG |
| 239 | Label check_codesize; |
| 240 | patcher.masm()->bind(&check_codesize); |
| 241 | #endif |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 242 | |
| 243 | // Patch the code. |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 244 | patcher.masm()->call(target, RelocInfo::NONE32); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 245 | |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 246 | // Check that the size of the code generated is as expected. |
| 247 | ASSERT_EQ(kCallCodeSize, |
| 248 | patcher.masm()->SizeOfCodeGeneratedSince(&check_codesize)); |
| 249 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 250 | // Add the requested number of int3 instructions after the call. |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 251 | ASSERT_GE(guard_bytes, 0); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 252 | for (int i = 0; i < guard_bytes; i++) { |
| 253 | patcher.masm()->int3(); |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | |
| 258 | // ----------------------------------------------------------------------------- |
| 259 | // Implementation of Operand |
| 260 | |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 261 | Operand::Operand(Register base, int32_t disp, RelocInfo::Mode rmode) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 262 | // [base + disp/r] |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 263 | if (disp == 0 && RelocInfo::IsNone(rmode) && !base.is(ebp)) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 264 | // [base] |
| 265 | set_modrm(0, base); |
| 266 | if (base.is(esp)) set_sib(times_1, esp, base); |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 267 | } else if (is_int8(disp) && RelocInfo::IsNone(rmode)) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 268 | // [base + disp8] |
| 269 | set_modrm(1, base); |
| 270 | if (base.is(esp)) set_sib(times_1, esp, base); |
| 271 | set_disp8(disp); |
| 272 | } else { |
| 273 | // [base + disp/r] |
| 274 | set_modrm(2, base); |
| 275 | if (base.is(esp)) set_sib(times_1, esp, base); |
| 276 | set_dispr(disp, rmode); |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | |
| 281 | Operand::Operand(Register base, |
| 282 | Register index, |
| 283 | ScaleFactor scale, |
| 284 | int32_t disp, |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 285 | RelocInfo::Mode rmode) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 286 | ASSERT(!index.is(esp)); // illegal addressing mode |
| 287 | // [base + index*scale + disp/r] |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 288 | if (disp == 0 && RelocInfo::IsNone(rmode) && !base.is(ebp)) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 289 | // [base + index*scale] |
| 290 | set_modrm(0, esp); |
| 291 | set_sib(scale, index, base); |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 292 | } else if (is_int8(disp) && RelocInfo::IsNone(rmode)) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 293 | // [base + index*scale + disp8] |
| 294 | set_modrm(1, esp); |
| 295 | set_sib(scale, index, base); |
| 296 | set_disp8(disp); |
| 297 | } else { |
| 298 | // [base + index*scale + disp/r] |
| 299 | set_modrm(2, esp); |
| 300 | set_sib(scale, index, base); |
| 301 | set_dispr(disp, rmode); |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | |
| 306 | Operand::Operand(Register index, |
| 307 | ScaleFactor scale, |
| 308 | int32_t disp, |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 309 | RelocInfo::Mode rmode) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 310 | ASSERT(!index.is(esp)); // illegal addressing mode |
| 311 | // [index*scale + disp/r] |
| 312 | set_modrm(0, esp); |
| 313 | set_sib(scale, index, ebp); |
| 314 | set_dispr(disp, rmode); |
| 315 | } |
| 316 | |
| 317 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 318 | bool Operand::is_reg(Register reg) const { |
| 319 | return ((buf_[0] & 0xF8) == 0xC0) // addressing mode is register only. |
| 320 | && ((buf_[0] & 0x07) == reg.code()); // register codes match. |
| 321 | } |
| 322 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 323 | |
| 324 | bool Operand::is_reg_only() const { |
| 325 | return (buf_[0] & 0xF8) == 0xC0; // Addressing mode is register only. |
| 326 | } |
| 327 | |
| 328 | |
| 329 | Register Operand::reg() const { |
| 330 | ASSERT(is_reg_only()); |
| 331 | return Register::from_code(buf_[0] & 0x07); |
| 332 | } |
| 333 | |
| 334 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 335 | // ----------------------------------------------------------------------------- |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 336 | // Implementation of Assembler. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 337 | |
| 338 | // Emit a single byte. Must always be inlined. |
| 339 | #define EMIT(x) \ |
| 340 | *pc_++ = (x) |
| 341 | |
| 342 | |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 343 | #ifdef GENERATED_CODE_COVERAGE |
| 344 | static void InitCoverageLog(); |
| 345 | #endif |
| 346 | |
ulan@chromium.org | 8e8d882 | 2012-11-23 14:36:46 +0000 | [diff] [blame] | 347 | Assembler::Assembler(Isolate* isolate, void* buffer, int buffer_size) |
| 348 | : AssemblerBase(isolate, buffer, buffer_size), |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame] | 349 | positions_recorder_(this) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 350 | // Clear the buffer in debug mode unless it was provided by the |
| 351 | // caller in which case we can't be sure it's okay to overwrite |
| 352 | // existing code in it; see CodePatcher::CodePatcher(...). |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 353 | #ifdef DEBUG |
| 354 | if (own_buffer_) { |
ulan@chromium.org | 8e8d882 | 2012-11-23 14:36:46 +0000 | [diff] [blame] | 355 | memset(buffer_, 0xCC, buffer_size_); // int3 |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 356 | } |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 357 | #endif |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 358 | |
ulan@chromium.org | 8e8d882 | 2012-11-23 14:36:46 +0000 | [diff] [blame] | 359 | reloc_info_writer.Reposition(buffer_ + buffer_size_, pc_); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 360 | |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 361 | #ifdef GENERATED_CODE_COVERAGE |
| 362 | InitCoverageLog(); |
| 363 | #endif |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 364 | } |
| 365 | |
| 366 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 367 | void Assembler::GetCode(CodeDesc* desc) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 368 | // Finalize code (at this point overflow() may be true, but the gap ensures |
| 369 | // that we are still not overlapping instructions and relocation info). |
| 370 | ASSERT(pc_ <= reloc_info_writer.pos()); // No overlap. |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 371 | // Set up code descriptor. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 372 | desc->buffer = buffer_; |
| 373 | desc->buffer_size = buffer_size_; |
| 374 | desc->instr_size = pc_offset(); |
| 375 | desc->reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos(); |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 376 | desc->origin = this; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 377 | } |
| 378 | |
| 379 | |
| 380 | void Assembler::Align(int m) { |
| 381 | ASSERT(IsPowerOf2(m)); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 382 | int mask = m - 1; |
| 383 | int addr = pc_offset(); |
| 384 | Nop((m - (addr & mask)) & mask); |
| 385 | } |
| 386 | |
| 387 | |
| 388 | bool Assembler::IsNop(Address addr) { |
| 389 | Address a = addr; |
| 390 | while (*a == 0x66) a++; |
| 391 | if (*a == 0x90) return true; |
| 392 | if (a[0] == 0xf && a[1] == 0x1f) return true; |
| 393 | return false; |
| 394 | } |
| 395 | |
| 396 | |
| 397 | void Assembler::Nop(int bytes) { |
| 398 | EnsureSpace ensure_space(this); |
| 399 | |
| 400 | if (!CpuFeatures::IsSupported(SSE2)) { |
| 401 | // Older CPUs that do not support SSE2 may not support multibyte NOP |
| 402 | // instructions. |
| 403 | for (; bytes > 0; bytes--) { |
| 404 | EMIT(0x90); |
| 405 | } |
| 406 | return; |
| 407 | } |
| 408 | |
| 409 | // Multi byte nops from http://support.amd.com/us/Processor_TechDocs/40546.pdf |
| 410 | while (bytes > 0) { |
| 411 | switch (bytes) { |
| 412 | case 2: |
| 413 | EMIT(0x66); |
| 414 | case 1: |
| 415 | EMIT(0x90); |
| 416 | return; |
| 417 | case 3: |
| 418 | EMIT(0xf); |
| 419 | EMIT(0x1f); |
| 420 | EMIT(0); |
| 421 | return; |
| 422 | case 4: |
| 423 | EMIT(0xf); |
| 424 | EMIT(0x1f); |
| 425 | EMIT(0x40); |
| 426 | EMIT(0); |
| 427 | return; |
| 428 | case 6: |
| 429 | EMIT(0x66); |
| 430 | case 5: |
| 431 | EMIT(0xf); |
| 432 | EMIT(0x1f); |
| 433 | EMIT(0x44); |
| 434 | EMIT(0); |
| 435 | EMIT(0); |
| 436 | return; |
| 437 | case 7: |
| 438 | EMIT(0xf); |
| 439 | EMIT(0x1f); |
| 440 | EMIT(0x80); |
| 441 | EMIT(0); |
| 442 | EMIT(0); |
| 443 | EMIT(0); |
| 444 | EMIT(0); |
| 445 | return; |
| 446 | default: |
| 447 | case 11: |
| 448 | EMIT(0x66); |
| 449 | bytes--; |
| 450 | case 10: |
| 451 | EMIT(0x66); |
| 452 | bytes--; |
| 453 | case 9: |
| 454 | EMIT(0x66); |
| 455 | bytes--; |
| 456 | case 8: |
| 457 | EMIT(0xf); |
| 458 | EMIT(0x1f); |
| 459 | EMIT(0x84); |
| 460 | EMIT(0); |
| 461 | EMIT(0); |
| 462 | EMIT(0); |
| 463 | EMIT(0); |
| 464 | EMIT(0); |
| 465 | bytes -= 8; |
| 466 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 467 | } |
| 468 | } |
| 469 | |
| 470 | |
ricow@chromium.org | 5ad5ace | 2010-06-23 09:06:43 +0000 | [diff] [blame] | 471 | void Assembler::CodeTargetAlign() { |
| 472 | Align(16); // Preferred alignment of jump targets on ia32. |
| 473 | } |
| 474 | |
| 475 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 476 | void Assembler::cpuid() { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 477 | ASSERT(IsEnabled(CPUID)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 478 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 479 | EMIT(0x0F); |
| 480 | EMIT(0xA2); |
| 481 | } |
| 482 | |
| 483 | |
| 484 | void Assembler::pushad() { |
| 485 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 486 | EMIT(0x60); |
| 487 | } |
| 488 | |
| 489 | |
| 490 | void Assembler::popad() { |
| 491 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 492 | EMIT(0x61); |
| 493 | } |
| 494 | |
| 495 | |
| 496 | void Assembler::pushfd() { |
| 497 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 498 | EMIT(0x9C); |
| 499 | } |
| 500 | |
| 501 | |
| 502 | void Assembler::popfd() { |
| 503 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 504 | EMIT(0x9D); |
| 505 | } |
| 506 | |
| 507 | |
| 508 | void Assembler::push(const Immediate& x) { |
| 509 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 510 | if (x.is_int8()) { |
| 511 | EMIT(0x6a); |
| 512 | EMIT(x.x_); |
| 513 | } else { |
| 514 | EMIT(0x68); |
| 515 | emit(x); |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 520 | void Assembler::push_imm32(int32_t imm32) { |
| 521 | EnsureSpace ensure_space(this); |
| 522 | EMIT(0x68); |
| 523 | emit(imm32); |
| 524 | } |
| 525 | |
| 526 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 527 | void Assembler::push(Register src) { |
| 528 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 529 | EMIT(0x50 | src.code()); |
| 530 | } |
| 531 | |
| 532 | |
| 533 | void Assembler::push(const Operand& src) { |
| 534 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 535 | EMIT(0xFF); |
| 536 | emit_operand(esi, src); |
| 537 | } |
| 538 | |
| 539 | |
| 540 | void Assembler::pop(Register dst) { |
| 541 | ASSERT(reloc_info_writer.last_pc() != NULL); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 542 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 543 | EMIT(0x58 | dst.code()); |
| 544 | } |
| 545 | |
| 546 | |
| 547 | void Assembler::pop(const Operand& dst) { |
| 548 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 549 | EMIT(0x8F); |
| 550 | emit_operand(eax, dst); |
| 551 | } |
| 552 | |
| 553 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 554 | void Assembler::enter(const Immediate& size) { |
| 555 | EnsureSpace ensure_space(this); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 556 | EMIT(0xC8); |
| 557 | emit_w(size); |
| 558 | EMIT(0); |
| 559 | } |
| 560 | |
| 561 | |
| 562 | void Assembler::leave() { |
| 563 | EnsureSpace ensure_space(this); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 564 | EMIT(0xC9); |
| 565 | } |
| 566 | |
| 567 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 568 | void Assembler::mov_b(Register dst, const Operand& src) { |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 569 | CHECK(dst.is_byte_register()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 570 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 571 | EMIT(0x8A); |
| 572 | emit_operand(dst, src); |
| 573 | } |
| 574 | |
| 575 | |
| 576 | void Assembler::mov_b(const Operand& dst, int8_t imm8) { |
| 577 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 578 | EMIT(0xC6); |
| 579 | emit_operand(eax, dst); |
| 580 | EMIT(imm8); |
| 581 | } |
| 582 | |
| 583 | |
| 584 | void Assembler::mov_b(const Operand& dst, Register src) { |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 585 | CHECK(src.is_byte_register()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 586 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 587 | EMIT(0x88); |
| 588 | emit_operand(src, dst); |
| 589 | } |
| 590 | |
| 591 | |
| 592 | void Assembler::mov_w(Register dst, const Operand& src) { |
| 593 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 594 | EMIT(0x66); |
| 595 | EMIT(0x8B); |
| 596 | emit_operand(dst, src); |
| 597 | } |
| 598 | |
| 599 | |
| 600 | void Assembler::mov_w(const Operand& dst, Register src) { |
| 601 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 602 | EMIT(0x66); |
| 603 | EMIT(0x89); |
| 604 | emit_operand(src, dst); |
| 605 | } |
| 606 | |
| 607 | |
| 608 | void Assembler::mov(Register dst, int32_t imm32) { |
| 609 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 610 | EMIT(0xB8 | dst.code()); |
| 611 | emit(imm32); |
| 612 | } |
| 613 | |
| 614 | |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 615 | void Assembler::mov(Register dst, const Immediate& x) { |
| 616 | EnsureSpace ensure_space(this); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 617 | EMIT(0xB8 | dst.code()); |
| 618 | emit(x); |
| 619 | } |
| 620 | |
| 621 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 622 | void Assembler::mov(Register dst, Handle<Object> handle) { |
| 623 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 624 | EMIT(0xB8 | dst.code()); |
| 625 | emit(handle); |
| 626 | } |
| 627 | |
| 628 | |
| 629 | void Assembler::mov(Register dst, const Operand& src) { |
| 630 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 631 | EMIT(0x8B); |
| 632 | emit_operand(dst, src); |
| 633 | } |
| 634 | |
| 635 | |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 636 | void Assembler::mov(Register dst, Register src) { |
| 637 | EnsureSpace ensure_space(this); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 638 | EMIT(0x89); |
| 639 | EMIT(0xC0 | src.code() << 3 | dst.code()); |
| 640 | } |
| 641 | |
| 642 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 643 | void Assembler::mov(const Operand& dst, const Immediate& x) { |
| 644 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 645 | EMIT(0xC7); |
| 646 | emit_operand(eax, dst); |
| 647 | emit(x); |
| 648 | } |
| 649 | |
| 650 | |
| 651 | void Assembler::mov(const Operand& dst, Handle<Object> handle) { |
| 652 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 653 | EMIT(0xC7); |
| 654 | emit_operand(eax, dst); |
| 655 | emit(handle); |
| 656 | } |
| 657 | |
| 658 | |
| 659 | void Assembler::mov(const Operand& dst, Register src) { |
| 660 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 661 | EMIT(0x89); |
| 662 | emit_operand(src, dst); |
| 663 | } |
| 664 | |
| 665 | |
| 666 | void Assembler::movsx_b(Register dst, const Operand& src) { |
| 667 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 668 | EMIT(0x0F); |
| 669 | EMIT(0xBE); |
| 670 | emit_operand(dst, src); |
| 671 | } |
| 672 | |
| 673 | |
| 674 | void Assembler::movsx_w(Register dst, const Operand& src) { |
| 675 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 676 | EMIT(0x0F); |
| 677 | EMIT(0xBF); |
| 678 | emit_operand(dst, src); |
| 679 | } |
| 680 | |
| 681 | |
| 682 | void Assembler::movzx_b(Register dst, const Operand& src) { |
| 683 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 684 | EMIT(0x0F); |
| 685 | EMIT(0xB6); |
| 686 | emit_operand(dst, src); |
| 687 | } |
| 688 | |
| 689 | |
| 690 | void Assembler::movzx_w(Register dst, const Operand& src) { |
| 691 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 692 | EMIT(0x0F); |
| 693 | EMIT(0xB7); |
| 694 | emit_operand(dst, src); |
| 695 | } |
| 696 | |
| 697 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 698 | void Assembler::cmov(Condition cc, Register dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 699 | ASSERT(IsEnabled(CMOV)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 700 | EnsureSpace ensure_space(this); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 701 | // Opcode: 0f 40 + cc /r. |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 702 | EMIT(0x0F); |
| 703 | EMIT(0x40 + cc); |
| 704 | emit_operand(dst, src); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 705 | } |
| 706 | |
| 707 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 708 | void Assembler::cld() { |
| 709 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 710 | EMIT(0xFC); |
| 711 | } |
| 712 | |
| 713 | |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 714 | void Assembler::rep_movs() { |
| 715 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 716 | EMIT(0xF3); |
| 717 | EMIT(0xA5); |
| 718 | } |
| 719 | |
| 720 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 721 | void Assembler::rep_stos() { |
| 722 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 723 | EMIT(0xF3); |
| 724 | EMIT(0xAB); |
| 725 | } |
| 726 | |
| 727 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 728 | void Assembler::stos() { |
| 729 | EnsureSpace ensure_space(this); |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 730 | EMIT(0xAB); |
| 731 | } |
| 732 | |
| 733 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 734 | void Assembler::xchg(Register dst, Register src) { |
| 735 | EnsureSpace ensure_space(this); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 736 | if (src.is(eax) || dst.is(eax)) { // Single-byte encoding. |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 737 | EMIT(0x90 | (src.is(eax) ? dst.code() : src.code())); |
| 738 | } else { |
| 739 | EMIT(0x87); |
| 740 | EMIT(0xC0 | src.code() << 3 | dst.code()); |
| 741 | } |
| 742 | } |
| 743 | |
| 744 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 745 | void Assembler::adc(Register dst, int32_t imm32) { |
| 746 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 747 | emit_arith(2, Operand(dst), Immediate(imm32)); |
| 748 | } |
| 749 | |
| 750 | |
| 751 | void Assembler::adc(Register dst, const Operand& src) { |
| 752 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 753 | EMIT(0x13); |
| 754 | emit_operand(dst, src); |
| 755 | } |
| 756 | |
| 757 | |
| 758 | void Assembler::add(Register dst, const Operand& src) { |
| 759 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 760 | EMIT(0x03); |
| 761 | emit_operand(dst, src); |
| 762 | } |
| 763 | |
| 764 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 765 | void Assembler::add(const Operand& dst, Register src) { |
| 766 | EnsureSpace ensure_space(this); |
| 767 | EMIT(0x01); |
| 768 | emit_operand(src, dst); |
| 769 | } |
| 770 | |
| 771 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 772 | void Assembler::add(const Operand& dst, const Immediate& x) { |
ager@chromium.org | 7c537e2 | 2008-10-16 08:43:32 +0000 | [diff] [blame] | 773 | ASSERT(reloc_info_writer.last_pc() != NULL); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 774 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 775 | emit_arith(0, dst, x); |
| 776 | } |
| 777 | |
| 778 | |
| 779 | void Assembler::and_(Register dst, int32_t imm32) { |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 780 | and_(dst, Immediate(imm32)); |
| 781 | } |
| 782 | |
| 783 | |
| 784 | void Assembler::and_(Register dst, const Immediate& x) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 785 | EnsureSpace ensure_space(this); |
sgjesse@chromium.org | 2ec107f | 2010-09-13 09:19:46 +0000 | [diff] [blame] | 786 | emit_arith(4, Operand(dst), x); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 787 | } |
| 788 | |
| 789 | |
| 790 | void Assembler::and_(Register dst, const Operand& src) { |
| 791 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 792 | EMIT(0x23); |
| 793 | emit_operand(dst, src); |
| 794 | } |
| 795 | |
| 796 | |
| 797 | void Assembler::and_(const Operand& dst, const Immediate& x) { |
| 798 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 799 | emit_arith(4, dst, x); |
| 800 | } |
| 801 | |
| 802 | |
| 803 | void Assembler::and_(const Operand& dst, Register src) { |
| 804 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 805 | EMIT(0x21); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 806 | emit_operand(src, dst); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 807 | } |
| 808 | |
| 809 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 810 | void Assembler::cmpb(const Operand& op, int8_t imm8) { |
| 811 | EnsureSpace ensure_space(this); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 812 | if (op.is_reg(eax)) { |
| 813 | EMIT(0x3C); |
| 814 | } else { |
| 815 | EMIT(0x80); |
| 816 | emit_operand(edi, op); // edi == 7 |
| 817 | } |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 818 | EMIT(imm8); |
| 819 | } |
| 820 | |
| 821 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 822 | void Assembler::cmpb(const Operand& op, Register reg) { |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 823 | CHECK(reg.is_byte_register()); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 824 | EnsureSpace ensure_space(this); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 825 | EMIT(0x38); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 826 | emit_operand(reg, op); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 827 | } |
| 828 | |
| 829 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 830 | void Assembler::cmpb(Register reg, const Operand& op) { |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 831 | CHECK(reg.is_byte_register()); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 832 | EnsureSpace ensure_space(this); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 833 | EMIT(0x3A); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 834 | emit_operand(reg, op); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 835 | } |
| 836 | |
| 837 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 838 | void Assembler::cmpw(const Operand& op, Immediate imm16) { |
| 839 | ASSERT(imm16.is_int16()); |
| 840 | EnsureSpace ensure_space(this); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 841 | EMIT(0x66); |
| 842 | EMIT(0x81); |
| 843 | emit_operand(edi, op); |
| 844 | emit_w(imm16); |
| 845 | } |
| 846 | |
| 847 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 848 | void Assembler::cmp(Register reg, int32_t imm32) { |
| 849 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 850 | emit_arith(7, Operand(reg), Immediate(imm32)); |
| 851 | } |
| 852 | |
| 853 | |
| 854 | void Assembler::cmp(Register reg, Handle<Object> handle) { |
| 855 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 856 | emit_arith(7, Operand(reg), Immediate(handle)); |
| 857 | } |
| 858 | |
| 859 | |
| 860 | void Assembler::cmp(Register reg, const Operand& op) { |
| 861 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 862 | EMIT(0x3B); |
| 863 | emit_operand(reg, op); |
| 864 | } |
| 865 | |
| 866 | |
| 867 | void Assembler::cmp(const Operand& op, const Immediate& imm) { |
| 868 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 869 | emit_arith(7, op, imm); |
| 870 | } |
| 871 | |
| 872 | |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 873 | void Assembler::cmp(const Operand& op, Handle<Object> handle) { |
| 874 | EnsureSpace ensure_space(this); |
ager@chromium.org | 4af710e | 2009-09-15 12:20:11 +0000 | [diff] [blame] | 875 | emit_arith(7, op, Immediate(handle)); |
| 876 | } |
| 877 | |
| 878 | |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 879 | void Assembler::cmpb_al(const Operand& op) { |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 880 | EnsureSpace ensure_space(this); |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 881 | EMIT(0x38); // CMP r/m8, r8 |
| 882 | emit_operand(eax, op); // eax has same code as register al. |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 883 | } |
| 884 | |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 885 | |
| 886 | void Assembler::cmpw_ax(const Operand& op) { |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 887 | EnsureSpace ensure_space(this); |
christian.plesner.hansen@gmail.com | 37abdec | 2009-01-06 14:43:28 +0000 | [diff] [blame] | 888 | EMIT(0x66); |
| 889 | EMIT(0x39); // CMP r/m16, r16 |
| 890 | emit_operand(eax, op); // eax has same code as register ax. |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 891 | } |
| 892 | |
| 893 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 894 | void Assembler::dec_b(Register dst) { |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 895 | CHECK(dst.is_byte_register()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 896 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 897 | EMIT(0xFE); |
| 898 | EMIT(0xC8 | dst.code()); |
| 899 | } |
| 900 | |
| 901 | |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 902 | void Assembler::dec_b(const Operand& dst) { |
| 903 | EnsureSpace ensure_space(this); |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 904 | EMIT(0xFE); |
| 905 | emit_operand(ecx, dst); |
| 906 | } |
| 907 | |
| 908 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 909 | void Assembler::dec(Register dst) { |
| 910 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 911 | EMIT(0x48 | dst.code()); |
| 912 | } |
| 913 | |
| 914 | |
| 915 | void Assembler::dec(const Operand& dst) { |
| 916 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 917 | EMIT(0xFF); |
| 918 | emit_operand(ecx, dst); |
| 919 | } |
| 920 | |
| 921 | |
| 922 | void Assembler::cdq() { |
| 923 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 924 | EMIT(0x99); |
| 925 | } |
| 926 | |
| 927 | |
| 928 | void Assembler::idiv(Register src) { |
| 929 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 930 | EMIT(0xF7); |
| 931 | EMIT(0xF8 | src.code()); |
| 932 | } |
| 933 | |
| 934 | |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 935 | void Assembler::imul(Register reg) { |
| 936 | EnsureSpace ensure_space(this); |
kasperl@chromium.org | 2abc450 | 2009-07-02 07:00:29 +0000 | [diff] [blame] | 937 | EMIT(0xF7); |
| 938 | EMIT(0xE8 | reg.code()); |
| 939 | } |
| 940 | |
| 941 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 942 | void Assembler::imul(Register dst, const Operand& src) { |
| 943 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 944 | EMIT(0x0F); |
| 945 | EMIT(0xAF); |
| 946 | emit_operand(dst, src); |
| 947 | } |
| 948 | |
| 949 | |
| 950 | void Assembler::imul(Register dst, Register src, int32_t imm32) { |
| 951 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 952 | if (is_int8(imm32)) { |
| 953 | EMIT(0x6B); |
| 954 | EMIT(0xC0 | dst.code() << 3 | src.code()); |
| 955 | EMIT(imm32); |
| 956 | } else { |
| 957 | EMIT(0x69); |
| 958 | EMIT(0xC0 | dst.code() << 3 | src.code()); |
| 959 | emit(imm32); |
| 960 | } |
| 961 | } |
| 962 | |
| 963 | |
| 964 | void Assembler::inc(Register dst) { |
| 965 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 966 | EMIT(0x40 | dst.code()); |
| 967 | } |
| 968 | |
| 969 | |
| 970 | void Assembler::inc(const Operand& dst) { |
| 971 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 972 | EMIT(0xFF); |
| 973 | emit_operand(eax, dst); |
| 974 | } |
| 975 | |
| 976 | |
| 977 | void Assembler::lea(Register dst, const Operand& src) { |
| 978 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 979 | EMIT(0x8D); |
| 980 | emit_operand(dst, src); |
| 981 | } |
| 982 | |
| 983 | |
| 984 | void Assembler::mul(Register src) { |
| 985 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 986 | EMIT(0xF7); |
| 987 | EMIT(0xE0 | src.code()); |
| 988 | } |
| 989 | |
| 990 | |
| 991 | void Assembler::neg(Register dst) { |
| 992 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 993 | EMIT(0xF7); |
| 994 | EMIT(0xD8 | dst.code()); |
| 995 | } |
| 996 | |
| 997 | |
| 998 | void Assembler::not_(Register dst) { |
| 999 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1000 | EMIT(0xF7); |
| 1001 | EMIT(0xD0 | dst.code()); |
| 1002 | } |
| 1003 | |
| 1004 | |
| 1005 | void Assembler::or_(Register dst, int32_t imm32) { |
| 1006 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1007 | emit_arith(1, Operand(dst), Immediate(imm32)); |
| 1008 | } |
| 1009 | |
| 1010 | |
| 1011 | void Assembler::or_(Register dst, const Operand& src) { |
| 1012 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1013 | EMIT(0x0B); |
| 1014 | emit_operand(dst, src); |
| 1015 | } |
| 1016 | |
| 1017 | |
| 1018 | void Assembler::or_(const Operand& dst, const Immediate& x) { |
| 1019 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1020 | emit_arith(1, dst, x); |
| 1021 | } |
| 1022 | |
| 1023 | |
| 1024 | void Assembler::or_(const Operand& dst, Register src) { |
| 1025 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1026 | EMIT(0x09); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1027 | emit_operand(src, dst); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1028 | } |
| 1029 | |
| 1030 | |
| 1031 | void Assembler::rcl(Register dst, uint8_t imm8) { |
| 1032 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1033 | ASSERT(is_uint5(imm8)); // illegal shift count |
| 1034 | if (imm8 == 1) { |
| 1035 | EMIT(0xD1); |
| 1036 | EMIT(0xD0 | dst.code()); |
| 1037 | } else { |
| 1038 | EMIT(0xC1); |
| 1039 | EMIT(0xD0 | dst.code()); |
| 1040 | EMIT(imm8); |
| 1041 | } |
| 1042 | } |
| 1043 | |
| 1044 | |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 1045 | void Assembler::rcr(Register dst, uint8_t imm8) { |
| 1046 | EnsureSpace ensure_space(this); |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 1047 | ASSERT(is_uint5(imm8)); // illegal shift count |
| 1048 | if (imm8 == 1) { |
| 1049 | EMIT(0xD1); |
| 1050 | EMIT(0xD8 | dst.code()); |
| 1051 | } else { |
| 1052 | EMIT(0xC1); |
| 1053 | EMIT(0xD8 | dst.code()); |
| 1054 | EMIT(imm8); |
| 1055 | } |
| 1056 | } |
| 1057 | |
mstarzinger@chromium.org | e0e1b0d | 2013-07-08 08:38:06 +0000 | [diff] [blame] | 1058 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1059 | void Assembler::ror(Register dst, uint8_t imm8) { |
| 1060 | EnsureSpace ensure_space(this); |
| 1061 | ASSERT(is_uint5(imm8)); // illegal shift count |
| 1062 | if (imm8 == 1) { |
| 1063 | EMIT(0xD1); |
| 1064 | EMIT(0xC8 | dst.code()); |
| 1065 | } else { |
| 1066 | EMIT(0xC1); |
| 1067 | EMIT(0xC8 | dst.code()); |
| 1068 | EMIT(imm8); |
| 1069 | } |
| 1070 | } |
| 1071 | |
mstarzinger@chromium.org | e0e1b0d | 2013-07-08 08:38:06 +0000 | [diff] [blame] | 1072 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1073 | void Assembler::ror_cl(Register dst) { |
| 1074 | EnsureSpace ensure_space(this); |
| 1075 | EMIT(0xD3); |
| 1076 | EMIT(0xC8 | dst.code()); |
| 1077 | } |
| 1078 | |
vegorov@chromium.org | 26c16f8 | 2010-08-11 13:41:03 +0000 | [diff] [blame] | 1079 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1080 | void Assembler::sar(Register dst, uint8_t imm8) { |
| 1081 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1082 | ASSERT(is_uint5(imm8)); // illegal shift count |
| 1083 | if (imm8 == 1) { |
| 1084 | EMIT(0xD1); |
| 1085 | EMIT(0xF8 | dst.code()); |
| 1086 | } else { |
| 1087 | EMIT(0xC1); |
| 1088 | EMIT(0xF8 | dst.code()); |
| 1089 | EMIT(imm8); |
| 1090 | } |
| 1091 | } |
| 1092 | |
| 1093 | |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1094 | void Assembler::sar_cl(Register dst) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1095 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1096 | EMIT(0xD3); |
| 1097 | EMIT(0xF8 | dst.code()); |
| 1098 | } |
| 1099 | |
| 1100 | |
| 1101 | void Assembler::sbb(Register dst, const Operand& src) { |
| 1102 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1103 | EMIT(0x1B); |
| 1104 | emit_operand(dst, src); |
| 1105 | } |
| 1106 | |
| 1107 | |
| 1108 | void Assembler::shld(Register dst, const Operand& src) { |
| 1109 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1110 | EMIT(0x0F); |
| 1111 | EMIT(0xA5); |
| 1112 | emit_operand(dst, src); |
| 1113 | } |
| 1114 | |
| 1115 | |
| 1116 | void Assembler::shl(Register dst, uint8_t imm8) { |
| 1117 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1118 | ASSERT(is_uint5(imm8)); // illegal shift count |
| 1119 | if (imm8 == 1) { |
| 1120 | EMIT(0xD1); |
| 1121 | EMIT(0xE0 | dst.code()); |
| 1122 | } else { |
| 1123 | EMIT(0xC1); |
| 1124 | EMIT(0xE0 | dst.code()); |
| 1125 | EMIT(imm8); |
| 1126 | } |
| 1127 | } |
| 1128 | |
| 1129 | |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1130 | void Assembler::shl_cl(Register dst) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1131 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1132 | EMIT(0xD3); |
| 1133 | EMIT(0xE0 | dst.code()); |
| 1134 | } |
| 1135 | |
| 1136 | |
| 1137 | void Assembler::shrd(Register dst, const Operand& src) { |
| 1138 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1139 | EMIT(0x0F); |
| 1140 | EMIT(0xAD); |
| 1141 | emit_operand(dst, src); |
| 1142 | } |
| 1143 | |
| 1144 | |
| 1145 | void Assembler::shr(Register dst, uint8_t imm8) { |
| 1146 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1147 | ASSERT(is_uint5(imm8)); // illegal shift count |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1148 | if (imm8 == 1) { |
| 1149 | EMIT(0xD1); |
| 1150 | EMIT(0xE8 | dst.code()); |
| 1151 | } else { |
| 1152 | EMIT(0xC1); |
| 1153 | EMIT(0xE8 | dst.code()); |
| 1154 | EMIT(imm8); |
| 1155 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1156 | } |
| 1157 | |
| 1158 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1159 | void Assembler::shr_cl(Register dst) { |
| 1160 | EnsureSpace ensure_space(this); |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 1161 | EMIT(0xD3); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1162 | EMIT(0xE8 | dst.code()); |
| 1163 | } |
| 1164 | |
| 1165 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1166 | void Assembler::sub(const Operand& dst, const Immediate& x) { |
| 1167 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1168 | emit_arith(5, dst, x); |
| 1169 | } |
| 1170 | |
| 1171 | |
| 1172 | void Assembler::sub(Register dst, const Operand& src) { |
| 1173 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1174 | EMIT(0x2B); |
| 1175 | emit_operand(dst, src); |
| 1176 | } |
| 1177 | |
| 1178 | |
| 1179 | void Assembler::sub(const Operand& dst, Register src) { |
| 1180 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1181 | EMIT(0x29); |
ager@chromium.org | 3bf7b91 | 2008-11-17 09:09:45 +0000 | [diff] [blame] | 1182 | emit_operand(src, dst); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1183 | } |
| 1184 | |
| 1185 | |
| 1186 | void Assembler::test(Register reg, const Immediate& imm) { |
| 1187 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1188 | // Only use test against byte for registers that have a byte |
| 1189 | // variant: eax, ebx, ecx, and edx. |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 1190 | if (RelocInfo::IsNone(imm.rmode_) && |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 1191 | is_uint8(imm.x_) && |
| 1192 | reg.is_byte_register()) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1193 | uint8_t imm8 = imm.x_; |
| 1194 | if (reg.is(eax)) { |
| 1195 | EMIT(0xA8); |
| 1196 | EMIT(imm8); |
| 1197 | } else { |
| 1198 | emit_arith_b(0xF6, 0xC0, reg, imm8); |
| 1199 | } |
| 1200 | } else { |
| 1201 | // This is not using emit_arith because test doesn't support |
| 1202 | // sign-extension of 8-bit operands. |
| 1203 | if (reg.is(eax)) { |
| 1204 | EMIT(0xA9); |
| 1205 | } else { |
| 1206 | EMIT(0xF7); |
| 1207 | EMIT(0xC0 | reg.code()); |
| 1208 | } |
| 1209 | emit(imm); |
| 1210 | } |
| 1211 | } |
| 1212 | |
| 1213 | |
| 1214 | void Assembler::test(Register reg, const Operand& op) { |
| 1215 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1216 | EMIT(0x85); |
| 1217 | emit_operand(reg, op); |
| 1218 | } |
| 1219 | |
| 1220 | |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1221 | void Assembler::test_b(Register reg, const Operand& op) { |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 1222 | CHECK(reg.is_byte_register()); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1223 | EnsureSpace ensure_space(this); |
sgjesse@chromium.org | b302e56 | 2010-02-03 11:26:59 +0000 | [diff] [blame] | 1224 | EMIT(0x84); |
| 1225 | emit_operand(reg, op); |
| 1226 | } |
| 1227 | |
| 1228 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1229 | void Assembler::test(const Operand& op, const Immediate& imm) { |
danno@chromium.org | 5940060 | 2013-08-13 17:09:37 +0000 | [diff] [blame^] | 1230 | if (op.is_reg_only()) { |
| 1231 | test(op.reg(), imm); |
| 1232 | return; |
| 1233 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1234 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1235 | EMIT(0xF7); |
| 1236 | emit_operand(eax, op); |
| 1237 | emit(imm); |
| 1238 | } |
| 1239 | |
| 1240 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1241 | void Assembler::test_b(const Operand& op, uint8_t imm8) { |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 1242 | if (op.is_reg_only() && !op.reg().is_byte_register()) { |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1243 | test(op, Immediate(imm8)); |
| 1244 | return; |
| 1245 | } |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1246 | EnsureSpace ensure_space(this); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 1247 | EMIT(0xF6); |
| 1248 | emit_operand(eax, op); |
| 1249 | EMIT(imm8); |
| 1250 | } |
| 1251 | |
| 1252 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1253 | void Assembler::xor_(Register dst, int32_t imm32) { |
| 1254 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1255 | emit_arith(6, Operand(dst), Immediate(imm32)); |
| 1256 | } |
| 1257 | |
| 1258 | |
| 1259 | void Assembler::xor_(Register dst, const Operand& src) { |
| 1260 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1261 | EMIT(0x33); |
| 1262 | emit_operand(dst, src); |
| 1263 | } |
| 1264 | |
| 1265 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1266 | void Assembler::xor_(const Operand& dst, Register src) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1267 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1268 | EMIT(0x31); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 1269 | emit_operand(src, dst); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1270 | } |
| 1271 | |
| 1272 | |
| 1273 | void Assembler::xor_(const Operand& dst, const Immediate& x) { |
| 1274 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1275 | emit_arith(6, dst, x); |
| 1276 | } |
| 1277 | |
| 1278 | |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1279 | void Assembler::bt(const Operand& dst, Register src) { |
| 1280 | EnsureSpace ensure_space(this); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1281 | EMIT(0x0F); |
| 1282 | EMIT(0xA3); |
| 1283 | emit_operand(src, dst); |
| 1284 | } |
| 1285 | |
| 1286 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1287 | void Assembler::bts(const Operand& dst, Register src) { |
| 1288 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1289 | EMIT(0x0F); |
| 1290 | EMIT(0xAB); |
| 1291 | emit_operand(src, dst); |
| 1292 | } |
| 1293 | |
| 1294 | |
| 1295 | void Assembler::hlt() { |
| 1296 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1297 | EMIT(0xF4); |
| 1298 | } |
| 1299 | |
| 1300 | |
| 1301 | void Assembler::int3() { |
| 1302 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1303 | EMIT(0xCC); |
| 1304 | } |
| 1305 | |
| 1306 | |
| 1307 | void Assembler::nop() { |
| 1308 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1309 | EMIT(0x90); |
| 1310 | } |
| 1311 | |
| 1312 | |
| 1313 | void Assembler::rdtsc() { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1314 | ASSERT(IsEnabled(RDTSC)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1315 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1316 | EMIT(0x0F); |
| 1317 | EMIT(0x31); |
| 1318 | } |
| 1319 | |
| 1320 | |
| 1321 | void Assembler::ret(int imm16) { |
| 1322 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1323 | ASSERT(is_uint16(imm16)); |
| 1324 | if (imm16 == 0) { |
| 1325 | EMIT(0xC3); |
| 1326 | } else { |
| 1327 | EMIT(0xC2); |
| 1328 | EMIT(imm16 & 0xFF); |
| 1329 | EMIT((imm16 >> 8) & 0xFF); |
| 1330 | } |
| 1331 | } |
| 1332 | |
| 1333 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1334 | // Labels refer to positions in the (to be) generated code. |
| 1335 | // There are bound, linked, and unused labels. |
| 1336 | // |
| 1337 | // Bound labels refer to known positions in the already |
| 1338 | // generated code. pos() is the position the label refers to. |
| 1339 | // |
| 1340 | // Linked labels refer to unknown positions in the code |
| 1341 | // to be generated; pos() is the position of the 32bit |
| 1342 | // Displacement of the last instruction using the label. |
| 1343 | |
| 1344 | |
| 1345 | void Assembler::print(Label* L) { |
| 1346 | if (L->is_unused()) { |
| 1347 | PrintF("unused label\n"); |
| 1348 | } else if (L->is_bound()) { |
| 1349 | PrintF("bound label to %d\n", L->pos()); |
| 1350 | } else if (L->is_linked()) { |
| 1351 | Label l = *L; |
| 1352 | PrintF("unbound label"); |
| 1353 | while (l.is_linked()) { |
| 1354 | Displacement disp = disp_at(&l); |
| 1355 | PrintF("@ %d ", l.pos()); |
| 1356 | disp.print(); |
| 1357 | PrintF("\n"); |
| 1358 | disp.next(&l); |
| 1359 | } |
| 1360 | } else { |
| 1361 | PrintF("label in inconsistent state (pos = %d)\n", L->pos_); |
| 1362 | } |
| 1363 | } |
| 1364 | |
| 1365 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1366 | void Assembler::bind_to(Label* L, int pos) { |
| 1367 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1368 | ASSERT(0 <= pos && pos <= pc_offset()); // must have a valid binding position |
| 1369 | while (L->is_linked()) { |
| 1370 | Displacement disp = disp_at(L); |
| 1371 | int fixup_pos = L->pos(); |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1372 | if (disp.type() == Displacement::CODE_RELATIVE) { |
| 1373 | // Relative to Code* heap object pointer. |
| 1374 | long_at_put(fixup_pos, pos + Code::kHeaderSize - kHeapObjectTag); |
| 1375 | } else { |
| 1376 | if (disp.type() == Displacement::UNCONDITIONAL_JUMP) { |
| 1377 | ASSERT(byte_at(fixup_pos - 1) == 0xE9); // jmp expected |
| 1378 | } |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1379 | // Relative address, relative to point after address. |
ager@chromium.org | a74f0da | 2008-12-03 16:05:52 +0000 | [diff] [blame] | 1380 | int imm32 = pos - (fixup_pos + sizeof(int32_t)); |
| 1381 | long_at_put(fixup_pos, imm32); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1382 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1383 | disp.next(L); |
| 1384 | } |
karlklose@chromium.org | 83a4728 | 2011-05-11 11:54:09 +0000 | [diff] [blame] | 1385 | while (L->is_near_linked()) { |
| 1386 | int fixup_pos = L->near_link_pos(); |
| 1387 | int offset_to_next = |
| 1388 | static_cast<int>(*reinterpret_cast<int8_t*>(addr_at(fixup_pos))); |
| 1389 | ASSERT(offset_to_next <= 0); |
| 1390 | // Relative address, relative to point after address. |
| 1391 | int disp = pos - fixup_pos - sizeof(int8_t); |
yangguo@chromium.org | 9c741c8 | 2012-06-28 15:04:22 +0000 | [diff] [blame] | 1392 | CHECK(0 <= disp && disp <= 127); |
karlklose@chromium.org | 83a4728 | 2011-05-11 11:54:09 +0000 | [diff] [blame] | 1393 | set_byte_at(fixup_pos, disp); |
| 1394 | if (offset_to_next < 0) { |
| 1395 | L->link_to(fixup_pos + offset_to_next, Label::kNear); |
| 1396 | } else { |
| 1397 | L->UnuseNear(); |
| 1398 | } |
| 1399 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1400 | L->bind_to(pos); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1401 | } |
| 1402 | |
| 1403 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1404 | void Assembler::bind(Label* L) { |
| 1405 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1406 | ASSERT(!L->is_bound()); // label can only be bound once |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1407 | bind_to(L, pc_offset()); |
| 1408 | } |
| 1409 | |
| 1410 | |
| 1411 | void Assembler::call(Label* L) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1412 | positions_recorder()->WriteRecordedPositions(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1413 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1414 | if (L->is_bound()) { |
| 1415 | const int long_size = 5; |
| 1416 | int offs = L->pos() - pc_offset(); |
| 1417 | ASSERT(offs <= 0); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1418 | // 1110 1000 #32-bit disp. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1419 | EMIT(0xE8); |
| 1420 | emit(offs - long_size); |
| 1421 | } else { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1422 | // 1110 1000 #32-bit disp. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1423 | EMIT(0xE8); |
| 1424 | emit_disp(L, Displacement::OTHER); |
| 1425 | } |
| 1426 | } |
| 1427 | |
| 1428 | |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1429 | void Assembler::call(byte* entry, RelocInfo::Mode rmode) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1430 | positions_recorder()->WriteRecordedPositions(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1431 | EnsureSpace ensure_space(this); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1432 | ASSERT(!RelocInfo::IsCodeTarget(rmode)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1433 | EMIT(0xE8); |
ulan@chromium.org | 6e196bf | 2013-03-13 09:38:22 +0000 | [diff] [blame] | 1434 | if (RelocInfo::IsRuntimeEntry(rmode)) { |
| 1435 | emit(reinterpret_cast<uint32_t>(entry), rmode); |
| 1436 | } else { |
| 1437 | emit(entry - (pc_ + sizeof(int32_t)), rmode); |
| 1438 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1439 | } |
| 1440 | |
| 1441 | |
fschneider@chromium.org | fb144a0 | 2011-05-04 12:43:48 +0000 | [diff] [blame] | 1442 | int Assembler::CallSize(const Operand& adr) { |
| 1443 | // Call size is 1 (opcode) + adr.len_ (operand). |
| 1444 | return 1 + adr.len_; |
| 1445 | } |
| 1446 | |
| 1447 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1448 | void Assembler::call(const Operand& adr) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1449 | positions_recorder()->WriteRecordedPositions(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1450 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1451 | EMIT(0xFF); |
| 1452 | emit_operand(edx, adr); |
fschneider@chromium.org | fb144a0 | 2011-05-04 12:43:48 +0000 | [diff] [blame] | 1453 | } |
| 1454 | |
| 1455 | |
| 1456 | int Assembler::CallSize(Handle<Code> code, RelocInfo::Mode rmode) { |
| 1457 | return 1 /* EMIT */ + sizeof(uint32_t) /* emit */; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1458 | } |
| 1459 | |
| 1460 | |
sgjesse@chromium.org | 8e8294a | 2011-05-02 14:30:53 +0000 | [diff] [blame] | 1461 | void Assembler::call(Handle<Code> code, |
| 1462 | RelocInfo::Mode rmode, |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 1463 | TypeFeedbackId ast_id) { |
whesse@chromium.org | f0ac72d | 2010-11-08 12:47:26 +0000 | [diff] [blame] | 1464 | positions_recorder()->WriteRecordedPositions(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1465 | EnsureSpace ensure_space(this); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1466 | ASSERT(RelocInfo::IsCodeTarget(rmode)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1467 | EMIT(0xE8); |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 1468 | emit(code, rmode, ast_id); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1469 | } |
| 1470 | |
| 1471 | |
karlklose@chromium.org | 83a4728 | 2011-05-11 11:54:09 +0000 | [diff] [blame] | 1472 | void Assembler::jmp(Label* L, Label::Distance distance) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1473 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1474 | if (L->is_bound()) { |
| 1475 | const int short_size = 2; |
| 1476 | const int long_size = 5; |
| 1477 | int offs = L->pos() - pc_offset(); |
| 1478 | ASSERT(offs <= 0); |
| 1479 | if (is_int8(offs - short_size)) { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1480 | // 1110 1011 #8-bit disp. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1481 | EMIT(0xEB); |
| 1482 | EMIT((offs - short_size) & 0xFF); |
| 1483 | } else { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1484 | // 1110 1001 #32-bit disp. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1485 | EMIT(0xE9); |
| 1486 | emit(offs - long_size); |
| 1487 | } |
karlklose@chromium.org | 83a4728 | 2011-05-11 11:54:09 +0000 | [diff] [blame] | 1488 | } else if (distance == Label::kNear) { |
| 1489 | EMIT(0xEB); |
| 1490 | emit_near_disp(L); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1491 | } else { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1492 | // 1110 1001 #32-bit disp. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1493 | EMIT(0xE9); |
| 1494 | emit_disp(L, Displacement::UNCONDITIONAL_JUMP); |
| 1495 | } |
| 1496 | } |
| 1497 | |
| 1498 | |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1499 | void Assembler::jmp(byte* entry, RelocInfo::Mode rmode) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1500 | EnsureSpace ensure_space(this); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1501 | ASSERT(!RelocInfo::IsCodeTarget(rmode)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1502 | EMIT(0xE9); |
ulan@chromium.org | 6e196bf | 2013-03-13 09:38:22 +0000 | [diff] [blame] | 1503 | if (RelocInfo::IsRuntimeEntry(rmode)) { |
| 1504 | emit(reinterpret_cast<uint32_t>(entry), rmode); |
| 1505 | } else { |
| 1506 | emit(entry - (pc_ + sizeof(int32_t)), rmode); |
| 1507 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1508 | } |
| 1509 | |
| 1510 | |
| 1511 | void Assembler::jmp(const Operand& adr) { |
| 1512 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1513 | EMIT(0xFF); |
| 1514 | emit_operand(esp, adr); |
| 1515 | } |
| 1516 | |
| 1517 | |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1518 | void Assembler::jmp(Handle<Code> code, RelocInfo::Mode rmode) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1519 | EnsureSpace ensure_space(this); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 1520 | ASSERT(RelocInfo::IsCodeTarget(rmode)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1521 | EMIT(0xE9); |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 1522 | emit(code, rmode); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1523 | } |
| 1524 | |
| 1525 | |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1526 | void Assembler::j(Condition cc, Label* L, Label::Distance distance) { |
whesse@chromium.org | 4a1fe7d | 2010-09-27 12:32:04 +0000 | [diff] [blame] | 1527 | EnsureSpace ensure_space(this); |
danno@chromium.org | 72204d5 | 2012-10-31 10:02:10 +0000 | [diff] [blame] | 1528 | ASSERT(0 <= cc && static_cast<int>(cc) < 16); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1529 | if (L->is_bound()) { |
| 1530 | const int short_size = 2; |
| 1531 | const int long_size = 6; |
| 1532 | int offs = L->pos() - pc_offset(); |
| 1533 | ASSERT(offs <= 0); |
| 1534 | if (is_int8(offs - short_size)) { |
| 1535 | // 0111 tttn #8-bit disp |
| 1536 | EMIT(0x70 | cc); |
| 1537 | EMIT((offs - short_size) & 0xFF); |
| 1538 | } else { |
| 1539 | // 0000 1111 1000 tttn #32-bit disp |
| 1540 | EMIT(0x0F); |
| 1541 | EMIT(0x80 | cc); |
| 1542 | emit(offs - long_size); |
| 1543 | } |
karlklose@chromium.org | 83a4728 | 2011-05-11 11:54:09 +0000 | [diff] [blame] | 1544 | } else if (distance == Label::kNear) { |
| 1545 | EMIT(0x70 | cc); |
| 1546 | emit_near_disp(L); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1547 | } else { |
| 1548 | // 0000 1111 1000 tttn #32-bit disp |
| 1549 | // Note: could eliminate cond. jumps to this jump if condition |
| 1550 | // is the same however, seems to be rather unlikely case. |
| 1551 | EMIT(0x0F); |
| 1552 | EMIT(0x80 | cc); |
| 1553 | emit_disp(L, Displacement::OTHER); |
| 1554 | } |
| 1555 | } |
| 1556 | |
| 1557 | |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1558 | void Assembler::j(Condition cc, byte* entry, RelocInfo::Mode rmode) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1559 | EnsureSpace ensure_space(this); |
danno@chromium.org | 72204d5 | 2012-10-31 10:02:10 +0000 | [diff] [blame] | 1560 | ASSERT((0 <= cc) && (static_cast<int>(cc) < 16)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1561 | // 0000 1111 1000 tttn #32-bit disp. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1562 | EMIT(0x0F); |
| 1563 | EMIT(0x80 | cc); |
ulan@chromium.org | 6e196bf | 2013-03-13 09:38:22 +0000 | [diff] [blame] | 1564 | if (RelocInfo::IsRuntimeEntry(rmode)) { |
| 1565 | emit(reinterpret_cast<uint32_t>(entry), rmode); |
| 1566 | } else { |
| 1567 | emit(entry - (pc_ + sizeof(int32_t)), rmode); |
| 1568 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1569 | } |
| 1570 | |
| 1571 | |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1572 | void Assembler::j(Condition cc, Handle<Code> code) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1573 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1574 | // 0000 1111 1000 tttn #32-bit disp |
| 1575 | EMIT(0x0F); |
| 1576 | EMIT(0x80 | cc); |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 1577 | emit(code, RelocInfo::CODE_TARGET); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1578 | } |
| 1579 | |
| 1580 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1581 | // FPU instructions. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1582 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1583 | void Assembler::fld(int i) { |
| 1584 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1585 | emit_farith(0xD9, 0xC0, i); |
| 1586 | } |
| 1587 | |
| 1588 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1589 | void Assembler::fstp(int i) { |
| 1590 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1591 | emit_farith(0xDD, 0xD8, i); |
| 1592 | } |
| 1593 | |
| 1594 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1595 | void Assembler::fld1() { |
| 1596 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1597 | EMIT(0xD9); |
| 1598 | EMIT(0xE8); |
| 1599 | } |
| 1600 | |
| 1601 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1602 | void Assembler::fldpi() { |
| 1603 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1604 | EMIT(0xD9); |
| 1605 | EMIT(0xEB); |
| 1606 | } |
| 1607 | |
| 1608 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1609 | void Assembler::fldz() { |
| 1610 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1611 | EMIT(0xD9); |
| 1612 | EMIT(0xEE); |
| 1613 | } |
| 1614 | |
| 1615 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1616 | void Assembler::fldln2() { |
| 1617 | EnsureSpace ensure_space(this); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1618 | EMIT(0xD9); |
| 1619 | EMIT(0xED); |
| 1620 | } |
| 1621 | |
| 1622 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1623 | void Assembler::fld_s(const Operand& adr) { |
| 1624 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1625 | EMIT(0xD9); |
| 1626 | emit_operand(eax, adr); |
| 1627 | } |
| 1628 | |
| 1629 | |
| 1630 | void Assembler::fld_d(const Operand& adr) { |
| 1631 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1632 | EMIT(0xDD); |
| 1633 | emit_operand(eax, adr); |
| 1634 | } |
| 1635 | |
| 1636 | |
| 1637 | void Assembler::fstp_s(const Operand& adr) { |
| 1638 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1639 | EMIT(0xD9); |
| 1640 | emit_operand(ebx, adr); |
| 1641 | } |
| 1642 | |
| 1643 | |
| 1644 | void Assembler::fstp_d(const Operand& adr) { |
| 1645 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1646 | EMIT(0xDD); |
| 1647 | emit_operand(ebx, adr); |
| 1648 | } |
| 1649 | |
| 1650 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1651 | void Assembler::fst_d(const Operand& adr) { |
| 1652 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1653 | EMIT(0xDD); |
| 1654 | emit_operand(edx, adr); |
| 1655 | } |
| 1656 | |
| 1657 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1658 | void Assembler::fild_s(const Operand& adr) { |
| 1659 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1660 | EMIT(0xDB); |
| 1661 | emit_operand(eax, adr); |
| 1662 | } |
| 1663 | |
| 1664 | |
| 1665 | void Assembler::fild_d(const Operand& adr) { |
| 1666 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1667 | EMIT(0xDF); |
| 1668 | emit_operand(ebp, adr); |
| 1669 | } |
| 1670 | |
| 1671 | |
| 1672 | void Assembler::fistp_s(const Operand& adr) { |
| 1673 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1674 | EMIT(0xDB); |
| 1675 | emit_operand(ebx, adr); |
| 1676 | } |
| 1677 | |
| 1678 | |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 1679 | void Assembler::fisttp_s(const Operand& adr) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1680 | ASSERT(IsEnabled(SSE3)); |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 1681 | EnsureSpace ensure_space(this); |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 1682 | EMIT(0xDB); |
| 1683 | emit_operand(ecx, adr); |
| 1684 | } |
| 1685 | |
| 1686 | |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 1687 | void Assembler::fisttp_d(const Operand& adr) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1688 | ASSERT(IsEnabled(SSE3)); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 1689 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 1690 | EMIT(0xDD); |
| 1691 | emit_operand(ecx, adr); |
| 1692 | } |
| 1693 | |
| 1694 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1695 | void Assembler::fist_s(const Operand& adr) { |
| 1696 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1697 | EMIT(0xDB); |
| 1698 | emit_operand(edx, adr); |
| 1699 | } |
| 1700 | |
| 1701 | |
| 1702 | void Assembler::fistp_d(const Operand& adr) { |
| 1703 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1704 | EMIT(0xDF); |
| 1705 | emit_operand(edi, adr); |
| 1706 | } |
| 1707 | |
| 1708 | |
| 1709 | void Assembler::fabs() { |
| 1710 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1711 | EMIT(0xD9); |
| 1712 | EMIT(0xE1); |
| 1713 | } |
| 1714 | |
| 1715 | |
| 1716 | void Assembler::fchs() { |
| 1717 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1718 | EMIT(0xD9); |
| 1719 | EMIT(0xE0); |
| 1720 | } |
| 1721 | |
| 1722 | |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 1723 | void Assembler::fcos() { |
| 1724 | EnsureSpace ensure_space(this); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 1725 | EMIT(0xD9); |
| 1726 | EMIT(0xFF); |
| 1727 | } |
| 1728 | |
| 1729 | |
| 1730 | void Assembler::fsin() { |
| 1731 | EnsureSpace ensure_space(this); |
ager@chromium.org | eadaf22 | 2009-06-16 09:43:10 +0000 | [diff] [blame] | 1732 | EMIT(0xD9); |
| 1733 | EMIT(0xFE); |
| 1734 | } |
| 1735 | |
| 1736 | |
mstarzinger@chromium.org | 1b3afd1 | 2011-11-29 14:28:56 +0000 | [diff] [blame] | 1737 | void Assembler::fptan() { |
| 1738 | EnsureSpace ensure_space(this); |
| 1739 | EMIT(0xD9); |
| 1740 | EMIT(0xF2); |
| 1741 | } |
| 1742 | |
| 1743 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1744 | void Assembler::fyl2x() { |
| 1745 | EnsureSpace ensure_space(this); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1746 | EMIT(0xD9); |
| 1747 | EMIT(0xF1); |
| 1748 | } |
| 1749 | |
| 1750 | |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1751 | void Assembler::f2xm1() { |
| 1752 | EnsureSpace ensure_space(this); |
| 1753 | EMIT(0xD9); |
| 1754 | EMIT(0xF0); |
| 1755 | } |
| 1756 | |
| 1757 | |
| 1758 | void Assembler::fscale() { |
| 1759 | EnsureSpace ensure_space(this); |
| 1760 | EMIT(0xD9); |
| 1761 | EMIT(0xFD); |
| 1762 | } |
| 1763 | |
| 1764 | |
| 1765 | void Assembler::fninit() { |
| 1766 | EnsureSpace ensure_space(this); |
| 1767 | EMIT(0xDB); |
| 1768 | EMIT(0xE3); |
| 1769 | } |
| 1770 | |
| 1771 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1772 | void Assembler::fadd(int i) { |
| 1773 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1774 | emit_farith(0xDC, 0xC0, i); |
| 1775 | } |
| 1776 | |
| 1777 | |
| 1778 | void Assembler::fsub(int i) { |
| 1779 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1780 | emit_farith(0xDC, 0xE8, i); |
| 1781 | } |
| 1782 | |
| 1783 | |
| 1784 | void Assembler::fisub_s(const Operand& adr) { |
| 1785 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1786 | EMIT(0xDA); |
| 1787 | emit_operand(esp, adr); |
| 1788 | } |
| 1789 | |
| 1790 | |
danno@chromium.org | 169691d | 2013-07-15 08:01:13 +0000 | [diff] [blame] | 1791 | void Assembler::fmul_i(int i) { |
| 1792 | EnsureSpace ensure_space(this); |
| 1793 | emit_farith(0xD8, 0xC8, i); |
| 1794 | } |
| 1795 | |
| 1796 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1797 | void Assembler::fmul(int i) { |
| 1798 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1799 | emit_farith(0xDC, 0xC8, i); |
| 1800 | } |
| 1801 | |
| 1802 | |
| 1803 | void Assembler::fdiv(int i) { |
| 1804 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1805 | emit_farith(0xDC, 0xF8, i); |
| 1806 | } |
| 1807 | |
| 1808 | |
| 1809 | void Assembler::faddp(int i) { |
| 1810 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1811 | emit_farith(0xDE, 0xC0, i); |
| 1812 | } |
| 1813 | |
| 1814 | |
| 1815 | void Assembler::fsubp(int i) { |
| 1816 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1817 | emit_farith(0xDE, 0xE8, i); |
| 1818 | } |
| 1819 | |
| 1820 | |
| 1821 | void Assembler::fsubrp(int i) { |
| 1822 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1823 | emit_farith(0xDE, 0xE0, i); |
| 1824 | } |
| 1825 | |
| 1826 | |
| 1827 | void Assembler::fmulp(int i) { |
| 1828 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1829 | emit_farith(0xDE, 0xC8, i); |
| 1830 | } |
| 1831 | |
| 1832 | |
| 1833 | void Assembler::fdivp(int i) { |
| 1834 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1835 | emit_farith(0xDE, 0xF8, i); |
| 1836 | } |
| 1837 | |
| 1838 | |
| 1839 | void Assembler::fprem() { |
| 1840 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1841 | EMIT(0xD9); |
| 1842 | EMIT(0xF8); |
| 1843 | } |
| 1844 | |
| 1845 | |
| 1846 | void Assembler::fprem1() { |
| 1847 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1848 | EMIT(0xD9); |
| 1849 | EMIT(0xF5); |
| 1850 | } |
| 1851 | |
| 1852 | |
| 1853 | void Assembler::fxch(int i) { |
| 1854 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1855 | emit_farith(0xD9, 0xC8, i); |
| 1856 | } |
| 1857 | |
| 1858 | |
| 1859 | void Assembler::fincstp() { |
| 1860 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1861 | EMIT(0xD9); |
| 1862 | EMIT(0xF7); |
| 1863 | } |
| 1864 | |
| 1865 | |
| 1866 | void Assembler::ffree(int i) { |
| 1867 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1868 | emit_farith(0xDD, 0xC0, i); |
| 1869 | } |
| 1870 | |
| 1871 | |
| 1872 | void Assembler::ftst() { |
| 1873 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1874 | EMIT(0xD9); |
| 1875 | EMIT(0xE4); |
| 1876 | } |
| 1877 | |
| 1878 | |
| 1879 | void Assembler::fucomp(int i) { |
| 1880 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1881 | emit_farith(0xDD, 0xE8, i); |
| 1882 | } |
| 1883 | |
| 1884 | |
| 1885 | void Assembler::fucompp() { |
| 1886 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1887 | EMIT(0xDA); |
| 1888 | EMIT(0xE9); |
| 1889 | } |
| 1890 | |
| 1891 | |
ager@chromium.org | 3811b43 | 2009-10-28 14:53:37 +0000 | [diff] [blame] | 1892 | void Assembler::fucomi(int i) { |
| 1893 | EnsureSpace ensure_space(this); |
ager@chromium.org | 3811b43 | 2009-10-28 14:53:37 +0000 | [diff] [blame] | 1894 | EMIT(0xDB); |
| 1895 | EMIT(0xE8 + i); |
| 1896 | } |
| 1897 | |
| 1898 | |
| 1899 | void Assembler::fucomip() { |
| 1900 | EnsureSpace ensure_space(this); |
ager@chromium.org | 3811b43 | 2009-10-28 14:53:37 +0000 | [diff] [blame] | 1901 | EMIT(0xDF); |
| 1902 | EMIT(0xE9); |
| 1903 | } |
| 1904 | |
| 1905 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1906 | void Assembler::fcompp() { |
| 1907 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1908 | EMIT(0xDE); |
| 1909 | EMIT(0xD9); |
| 1910 | } |
| 1911 | |
| 1912 | |
| 1913 | void Assembler::fnstsw_ax() { |
| 1914 | EnsureSpace ensure_space(this); |
ager@chromium.org | 5aa501c | 2009-06-23 07:57:28 +0000 | [diff] [blame] | 1915 | EMIT(0xDF); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1916 | EMIT(0xE0); |
| 1917 | } |
| 1918 | |
| 1919 | |
| 1920 | void Assembler::fwait() { |
| 1921 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1922 | EMIT(0x9B); |
| 1923 | } |
| 1924 | |
| 1925 | |
| 1926 | void Assembler::frndint() { |
| 1927 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1928 | EMIT(0xD9); |
| 1929 | EMIT(0xFC); |
| 1930 | } |
| 1931 | |
| 1932 | |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 1933 | void Assembler::fnclex() { |
| 1934 | EnsureSpace ensure_space(this); |
kasperl@chromium.org | 061ef74 | 2009-02-27 12:16:20 +0000 | [diff] [blame] | 1935 | EMIT(0xDB); |
| 1936 | EMIT(0xE2); |
| 1937 | } |
| 1938 | |
| 1939 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1940 | void Assembler::sahf() { |
| 1941 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1942 | EMIT(0x9E); |
| 1943 | } |
| 1944 | |
| 1945 | |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1946 | void Assembler::setcc(Condition cc, Register reg) { |
| 1947 | ASSERT(reg.is_byte_register()); |
| 1948 | EnsureSpace ensure_space(this); |
kasperl@chromium.org | 7be3c99 | 2009-03-12 07:19:55 +0000 | [diff] [blame] | 1949 | EMIT(0x0F); |
| 1950 | EMIT(0x90 | cc); |
| 1951 | EMIT(0xC0 | reg.code()); |
| 1952 | } |
| 1953 | |
| 1954 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1955 | void Assembler::cvttss2si(Register dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1956 | ASSERT(IsEnabled(SSE2)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1957 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1958 | EMIT(0xF3); |
| 1959 | EMIT(0x0F); |
| 1960 | EMIT(0x2C); |
| 1961 | emit_operand(dst, src); |
| 1962 | } |
| 1963 | |
| 1964 | |
| 1965 | void Assembler::cvttsd2si(Register dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1966 | ASSERT(IsEnabled(SSE2)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1967 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1968 | EMIT(0xF2); |
| 1969 | EMIT(0x0F); |
| 1970 | EMIT(0x2C); |
| 1971 | emit_operand(dst, src); |
| 1972 | } |
| 1973 | |
| 1974 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1975 | void Assembler::cvtsd2si(Register dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1976 | ASSERT(IsEnabled(SSE2)); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1977 | EnsureSpace ensure_space(this); |
| 1978 | EMIT(0xF2); |
| 1979 | EMIT(0x0F); |
| 1980 | EMIT(0x2D); |
| 1981 | emit_sse_operand(dst, src); |
| 1982 | } |
| 1983 | |
| 1984 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1985 | void Assembler::cvtsi2sd(XMMRegister dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1986 | ASSERT(IsEnabled(SSE2)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1987 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 1988 | EMIT(0xF2); |
| 1989 | EMIT(0x0F); |
| 1990 | EMIT(0x2A); |
| 1991 | emit_sse_operand(dst, src); |
| 1992 | } |
| 1993 | |
| 1994 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1995 | void Assembler::cvtss2sd(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 1996 | ASSERT(IsEnabled(SSE2)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1997 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1998 | EMIT(0xF3); |
| 1999 | EMIT(0x0F); |
| 2000 | EMIT(0x5A); |
| 2001 | emit_sse_operand(dst, src); |
| 2002 | } |
| 2003 | |
| 2004 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2005 | void Assembler::cvtsd2ss(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2006 | ASSERT(IsEnabled(SSE2)); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2007 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2008 | EMIT(0xF2); |
| 2009 | EMIT(0x0F); |
| 2010 | EMIT(0x5A); |
| 2011 | emit_sse_operand(dst, src); |
| 2012 | } |
| 2013 | |
| 2014 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2015 | void Assembler::addsd(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2016 | ASSERT(IsEnabled(SSE2)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2017 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2018 | EMIT(0xF2); |
| 2019 | EMIT(0x0F); |
| 2020 | EMIT(0x58); |
| 2021 | emit_sse_operand(dst, src); |
| 2022 | } |
| 2023 | |
| 2024 | |
danno@chromium.org | 1f34ad3 | 2012-11-26 14:53:56 +0000 | [diff] [blame] | 2025 | void Assembler::addsd(XMMRegister dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2026 | ASSERT(IsEnabled(SSE2)); |
danno@chromium.org | 1f34ad3 | 2012-11-26 14:53:56 +0000 | [diff] [blame] | 2027 | EnsureSpace ensure_space(this); |
| 2028 | EMIT(0xF2); |
| 2029 | EMIT(0x0F); |
| 2030 | EMIT(0x58); |
| 2031 | emit_sse_operand(dst, src); |
| 2032 | } |
| 2033 | |
| 2034 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2035 | void Assembler::mulsd(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2036 | ASSERT(IsEnabled(SSE2)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2037 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2038 | EMIT(0xF2); |
| 2039 | EMIT(0x0F); |
| 2040 | EMIT(0x59); |
| 2041 | emit_sse_operand(dst, src); |
| 2042 | } |
| 2043 | |
| 2044 | |
danno@chromium.org | 1f34ad3 | 2012-11-26 14:53:56 +0000 | [diff] [blame] | 2045 | void Assembler::mulsd(XMMRegister dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2046 | ASSERT(IsEnabled(SSE2)); |
danno@chromium.org | 1f34ad3 | 2012-11-26 14:53:56 +0000 | [diff] [blame] | 2047 | EnsureSpace ensure_space(this); |
| 2048 | EMIT(0xF2); |
| 2049 | EMIT(0x0F); |
| 2050 | EMIT(0x59); |
| 2051 | emit_sse_operand(dst, src); |
| 2052 | } |
| 2053 | |
| 2054 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2055 | void Assembler::subsd(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2056 | ASSERT(IsEnabled(SSE2)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2057 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2058 | EMIT(0xF2); |
| 2059 | EMIT(0x0F); |
| 2060 | EMIT(0x5C); |
| 2061 | emit_sse_operand(dst, src); |
| 2062 | } |
| 2063 | |
| 2064 | |
| 2065 | void Assembler::divsd(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2066 | ASSERT(IsEnabled(SSE2)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2067 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2068 | EMIT(0xF2); |
| 2069 | EMIT(0x0F); |
| 2070 | EMIT(0x5E); |
| 2071 | emit_sse_operand(dst, src); |
| 2072 | } |
| 2073 | |
| 2074 | |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 2075 | void Assembler::xorpd(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2076 | ASSERT(IsEnabled(SSE2)); |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 2077 | EnsureSpace ensure_space(this); |
sgjesse@chromium.org | 846fb74 | 2009-12-18 08:56:33 +0000 | [diff] [blame] | 2078 | EMIT(0x66); |
| 2079 | EMIT(0x0F); |
| 2080 | EMIT(0x57); |
| 2081 | emit_sse_operand(dst, src); |
| 2082 | } |
| 2083 | |
| 2084 | |
fschneider@chromium.org | fb144a0 | 2011-05-04 12:43:48 +0000 | [diff] [blame] | 2085 | void Assembler::xorps(XMMRegister dst, XMMRegister src) { |
| 2086 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | fb144a0 | 2011-05-04 12:43:48 +0000 | [diff] [blame] | 2087 | EMIT(0x0F); |
| 2088 | EMIT(0x57); |
| 2089 | emit_sse_operand(dst, src); |
| 2090 | } |
| 2091 | |
| 2092 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2093 | void Assembler::sqrtsd(XMMRegister dst, XMMRegister src) { |
| 2094 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2095 | EMIT(0xF2); |
| 2096 | EMIT(0x0F); |
| 2097 | EMIT(0x51); |
| 2098 | emit_sse_operand(dst, src); |
| 2099 | } |
| 2100 | |
| 2101 | |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2102 | void Assembler::andpd(XMMRegister dst, XMMRegister src) { |
| 2103 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2104 | EMIT(0x66); |
| 2105 | EMIT(0x0F); |
| 2106 | EMIT(0x54); |
| 2107 | emit_sse_operand(dst, src); |
| 2108 | } |
| 2109 | |
| 2110 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2111 | void Assembler::orpd(XMMRegister dst, XMMRegister src) { |
| 2112 | EnsureSpace ensure_space(this); |
| 2113 | EMIT(0x66); |
| 2114 | EMIT(0x0F); |
| 2115 | EMIT(0x56); |
| 2116 | emit_sse_operand(dst, src); |
| 2117 | } |
| 2118 | |
| 2119 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2120 | void Assembler::ucomisd(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2121 | ASSERT(IsEnabled(SSE2)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2122 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2123 | EMIT(0x66); |
| 2124 | EMIT(0x0F); |
| 2125 | EMIT(0x2E); |
| 2126 | emit_sse_operand(dst, src); |
| 2127 | } |
| 2128 | |
| 2129 | |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 2130 | void Assembler::ucomisd(XMMRegister dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2131 | ASSERT(IsEnabled(SSE2)); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 2132 | EnsureSpace ensure_space(this); |
| 2133 | EMIT(0x66); |
| 2134 | EMIT(0x0F); |
| 2135 | EMIT(0x2E); |
| 2136 | emit_sse_operand(dst, src); |
| 2137 | } |
| 2138 | |
| 2139 | |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 2140 | void Assembler::roundsd(XMMRegister dst, XMMRegister src, RoundingMode mode) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2141 | ASSERT(IsEnabled(SSE4_1)); |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 2142 | EnsureSpace ensure_space(this); |
| 2143 | EMIT(0x66); |
| 2144 | EMIT(0x0F); |
| 2145 | EMIT(0x3A); |
| 2146 | EMIT(0x0B); |
| 2147 | emit_sse_operand(dst, src); |
| 2148 | // Mask precision exeption. |
| 2149 | EMIT(static_cast<byte>(mode) | 0x8); |
| 2150 | } |
| 2151 | |
mstarzinger@chromium.org | e0e1b0d | 2013-07-08 08:38:06 +0000 | [diff] [blame] | 2152 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 2153 | void Assembler::movmskpd(Register dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2154 | ASSERT(IsEnabled(SSE2)); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 2155 | EnsureSpace ensure_space(this); |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 2156 | EMIT(0x66); |
| 2157 | EMIT(0x0F); |
| 2158 | EMIT(0x50); |
| 2159 | emit_sse_operand(dst, src); |
| 2160 | } |
| 2161 | |
| 2162 | |
ulan@chromium.org | 4121f23 | 2012-12-27 15:57:11 +0000 | [diff] [blame] | 2163 | void Assembler::movmskps(Register dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2164 | ASSERT(IsEnabled(SSE2)); |
ulan@chromium.org | 4121f23 | 2012-12-27 15:57:11 +0000 | [diff] [blame] | 2165 | EnsureSpace ensure_space(this); |
| 2166 | EMIT(0x0F); |
| 2167 | EMIT(0x50); |
| 2168 | emit_sse_operand(dst, src); |
| 2169 | } |
| 2170 | |
| 2171 | |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2172 | void Assembler::pcmpeqd(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2173 | ASSERT(IsEnabled(SSE2)); |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2174 | EnsureSpace ensure_space(this); |
| 2175 | EMIT(0x66); |
| 2176 | EMIT(0x0F); |
| 2177 | EMIT(0x76); |
| 2178 | emit_sse_operand(dst, src); |
| 2179 | } |
| 2180 | |
| 2181 | |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2182 | void Assembler::cmpltsd(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2183 | ASSERT(IsEnabled(SSE2)); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2184 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2185 | EMIT(0xF2); |
| 2186 | EMIT(0x0F); |
| 2187 | EMIT(0xC2); |
| 2188 | emit_sse_operand(dst, src); |
| 2189 | EMIT(1); // LT == 1 |
| 2190 | } |
| 2191 | |
| 2192 | |
| 2193 | void Assembler::movaps(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2194 | ASSERT(IsEnabled(SSE2)); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2195 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2196 | EMIT(0x0F); |
| 2197 | EMIT(0x28); |
| 2198 | emit_sse_operand(dst, src); |
| 2199 | } |
| 2200 | |
| 2201 | |
| 2202 | void Assembler::movdqa(const Operand& dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2203 | ASSERT(IsEnabled(SSE2)); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 2204 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 2205 | EMIT(0x66); |
| 2206 | EMIT(0x0F); |
| 2207 | EMIT(0x7F); |
| 2208 | emit_sse_operand(src, dst); |
| 2209 | } |
| 2210 | |
| 2211 | |
| 2212 | void Assembler::movdqa(XMMRegister dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2213 | ASSERT(IsEnabled(SSE2)); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 2214 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 2215 | EMIT(0x66); |
| 2216 | EMIT(0x0F); |
| 2217 | EMIT(0x6F); |
| 2218 | emit_sse_operand(dst, src); |
| 2219 | } |
| 2220 | |
| 2221 | |
| 2222 | void Assembler::movdqu(const Operand& dst, XMMRegister src ) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2223 | ASSERT(IsEnabled(SSE2)); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 2224 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 2225 | EMIT(0xF3); |
| 2226 | EMIT(0x0F); |
| 2227 | EMIT(0x7F); |
| 2228 | emit_sse_operand(src, dst); |
| 2229 | } |
| 2230 | |
| 2231 | |
| 2232 | void Assembler::movdqu(XMMRegister dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2233 | ASSERT(IsEnabled(SSE2)); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 2234 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | 0c20e67 | 2010-01-14 15:28:53 +0000 | [diff] [blame] | 2235 | EMIT(0xF3); |
| 2236 | EMIT(0x0F); |
| 2237 | EMIT(0x6F); |
| 2238 | emit_sse_operand(dst, src); |
| 2239 | } |
| 2240 | |
| 2241 | |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2242 | void Assembler::movntdqa(XMMRegister dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2243 | ASSERT(IsEnabled(SSE4_1)); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2244 | EnsureSpace ensure_space(this); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2245 | EMIT(0x66); |
| 2246 | EMIT(0x0F); |
| 2247 | EMIT(0x38); |
| 2248 | EMIT(0x2A); |
| 2249 | emit_sse_operand(dst, src); |
| 2250 | } |
| 2251 | |
| 2252 | |
| 2253 | void Assembler::movntdq(const Operand& dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2254 | ASSERT(IsEnabled(SSE2)); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2255 | EnsureSpace ensure_space(this); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2256 | EMIT(0x66); |
| 2257 | EMIT(0x0F); |
| 2258 | EMIT(0xE7); |
| 2259 | emit_sse_operand(src, dst); |
| 2260 | } |
| 2261 | |
| 2262 | |
| 2263 | void Assembler::prefetch(const Operand& src, int level) { |
| 2264 | ASSERT(is_uint2(level)); |
| 2265 | EnsureSpace ensure_space(this); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2266 | EMIT(0x0F); |
| 2267 | EMIT(0x18); |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2268 | // Emit hint number in Reg position of RegR/M. |
| 2269 | XMMRegister code = XMMRegister::from_code(level); |
lrn@chromium.org | 1af7e1b | 2010-06-07 11:12:01 +0000 | [diff] [blame] | 2270 | emit_sse_operand(code, src); |
| 2271 | } |
| 2272 | |
| 2273 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2274 | void Assembler::movdbl(XMMRegister dst, const Operand& src) { |
| 2275 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2276 | movsd(dst, src); |
| 2277 | } |
| 2278 | |
| 2279 | |
| 2280 | void Assembler::movdbl(const Operand& dst, XMMRegister src) { |
| 2281 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2282 | movsd(dst, src); |
| 2283 | } |
| 2284 | |
| 2285 | |
| 2286 | void Assembler::movsd(const Operand& dst, XMMRegister src ) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2287 | ASSERT(IsEnabled(SSE2)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2288 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2289 | EMIT(0xF2); // double |
| 2290 | EMIT(0x0F); |
| 2291 | EMIT(0x11); // store |
| 2292 | emit_sse_operand(src, dst); |
| 2293 | } |
| 2294 | |
| 2295 | |
| 2296 | void Assembler::movsd(XMMRegister dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2297 | ASSERT(IsEnabled(SSE2)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2298 | EnsureSpace ensure_space(this); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2299 | EMIT(0xF2); // double |
| 2300 | EMIT(0x0F); |
| 2301 | EMIT(0x10); // load |
| 2302 | emit_sse_operand(dst, src); |
| 2303 | } |
| 2304 | |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 2305 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2306 | void Assembler::movsd(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2307 | ASSERT(IsEnabled(SSE2)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2308 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2309 | EMIT(0xF2); |
| 2310 | EMIT(0x0F); |
| 2311 | EMIT(0x10); |
| 2312 | emit_sse_operand(dst, src); |
| 2313 | } |
| 2314 | |
| 2315 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2316 | void Assembler::movss(const Operand& dst, XMMRegister src ) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2317 | ASSERT(IsEnabled(SSE2)); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2318 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2319 | EMIT(0xF3); // float |
| 2320 | EMIT(0x0F); |
| 2321 | EMIT(0x11); // store |
| 2322 | emit_sse_operand(src, dst); |
| 2323 | } |
| 2324 | |
| 2325 | |
| 2326 | void Assembler::movss(XMMRegister dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2327 | ASSERT(IsEnabled(SSE2)); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2328 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2329 | EMIT(0xF3); // float |
| 2330 | EMIT(0x0F); |
| 2331 | EMIT(0x10); // load |
| 2332 | emit_sse_operand(dst, src); |
| 2333 | } |
| 2334 | |
| 2335 | |
| 2336 | void Assembler::movss(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2337 | ASSERT(IsEnabled(SSE2)); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2338 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2339 | EMIT(0xF3); |
| 2340 | EMIT(0x0F); |
| 2341 | EMIT(0x10); |
| 2342 | emit_sse_operand(dst, src); |
| 2343 | } |
| 2344 | |
| 2345 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2346 | void Assembler::movd(XMMRegister dst, const Operand& src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2347 | ASSERT(IsEnabled(SSE2)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2348 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2349 | EMIT(0x66); |
| 2350 | EMIT(0x0F); |
| 2351 | EMIT(0x6E); |
| 2352 | emit_sse_operand(dst, src); |
| 2353 | } |
| 2354 | |
| 2355 | |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 2356 | void Assembler::movd(const Operand& dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2357 | ASSERT(IsEnabled(SSE2)); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 2358 | EnsureSpace ensure_space(this); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 2359 | EMIT(0x66); |
| 2360 | EMIT(0x0F); |
| 2361 | EMIT(0x7E); |
| 2362 | emit_sse_operand(src, dst); |
| 2363 | } |
| 2364 | |
| 2365 | |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 2366 | void Assembler::extractps(Register dst, XMMRegister src, byte imm8) { |
ulan@chromium.org | 837a67e | 2013-06-11 15:39:48 +0000 | [diff] [blame] | 2367 | ASSERT(IsEnabled(SSE4_1)); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 2368 | ASSERT(is_uint8(imm8)); |
| 2369 | EnsureSpace ensure_space(this); |
| 2370 | EMIT(0x66); |
| 2371 | EMIT(0x0F); |
| 2372 | EMIT(0x3A); |
| 2373 | EMIT(0x17); |
| 2374 | emit_sse_operand(dst, src); |
| 2375 | EMIT(imm8); |
| 2376 | } |
| 2377 | |
| 2378 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2379 | void Assembler::pand(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2380 | ASSERT(IsEnabled(SSE2)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2381 | EnsureSpace ensure_space(this); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2382 | EMIT(0x66); |
| 2383 | EMIT(0x0F); |
| 2384 | EMIT(0xDB); |
| 2385 | emit_sse_operand(dst, src); |
| 2386 | } |
| 2387 | |
| 2388 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2389 | void Assembler::pxor(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2390 | ASSERT(IsEnabled(SSE2)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2391 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2392 | EMIT(0x66); |
| 2393 | EMIT(0x0F); |
| 2394 | EMIT(0xEF); |
| 2395 | emit_sse_operand(dst, src); |
| 2396 | } |
| 2397 | |
| 2398 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2399 | void Assembler::por(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2400 | ASSERT(IsEnabled(SSE2)); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2401 | EnsureSpace ensure_space(this); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2402 | EMIT(0x66); |
| 2403 | EMIT(0x0F); |
| 2404 | EMIT(0xEB); |
| 2405 | emit_sse_operand(dst, src); |
| 2406 | } |
| 2407 | |
| 2408 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2409 | void Assembler::ptest(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2410 | ASSERT(IsEnabled(SSE4_1)); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2411 | EnsureSpace ensure_space(this); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 2412 | EMIT(0x66); |
| 2413 | EMIT(0x0F); |
| 2414 | EMIT(0x38); |
| 2415 | EMIT(0x17); |
| 2416 | emit_sse_operand(dst, src); |
| 2417 | } |
| 2418 | |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2419 | |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 2420 | void Assembler::psllq(XMMRegister reg, int8_t shift) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2421 | ASSERT(IsEnabled(SSE2)); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2422 | EnsureSpace ensure_space(this); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2423 | EMIT(0x66); |
| 2424 | EMIT(0x0F); |
| 2425 | EMIT(0x73); |
| 2426 | emit_sse_operand(esi, reg); // esi == 6 |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 2427 | EMIT(shift); |
| 2428 | } |
| 2429 | |
| 2430 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2431 | void Assembler::psllq(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2432 | ASSERT(IsEnabled(SSE2)); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2433 | EnsureSpace ensure_space(this); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2434 | EMIT(0x66); |
| 2435 | EMIT(0x0F); |
| 2436 | EMIT(0xF3); |
| 2437 | emit_sse_operand(dst, src); |
| 2438 | } |
| 2439 | |
| 2440 | |
| 2441 | void Assembler::psrlq(XMMRegister reg, int8_t shift) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2442 | ASSERT(IsEnabled(SSE2)); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2443 | EnsureSpace ensure_space(this); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2444 | EMIT(0x66); |
| 2445 | EMIT(0x0F); |
| 2446 | EMIT(0x73); |
| 2447 | emit_sse_operand(edx, reg); // edx == 2 |
| 2448 | EMIT(shift); |
| 2449 | } |
| 2450 | |
| 2451 | |
| 2452 | void Assembler::psrlq(XMMRegister dst, XMMRegister src) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2453 | ASSERT(IsEnabled(SSE2)); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2454 | EnsureSpace ensure_space(this); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2455 | EMIT(0x66); |
| 2456 | EMIT(0x0F); |
| 2457 | EMIT(0xD3); |
| 2458 | emit_sse_operand(dst, src); |
| 2459 | } |
| 2460 | |
| 2461 | |
danno@chromium.org | 1f34ad3 | 2012-11-26 14:53:56 +0000 | [diff] [blame] | 2462 | void Assembler::pshufd(XMMRegister dst, XMMRegister src, uint8_t shuffle) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2463 | ASSERT(IsEnabled(SSE2)); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 2464 | EnsureSpace ensure_space(this); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 2465 | EMIT(0x66); |
| 2466 | EMIT(0x0F); |
| 2467 | EMIT(0x70); |
| 2468 | emit_sse_operand(dst, src); |
| 2469 | EMIT(shuffle); |
| 2470 | } |
| 2471 | |
| 2472 | |
| 2473 | void Assembler::pextrd(const Operand& dst, XMMRegister src, int8_t offset) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2474 | ASSERT(IsEnabled(SSE4_1)); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 2475 | EnsureSpace ensure_space(this); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 2476 | EMIT(0x66); |
| 2477 | EMIT(0x0F); |
| 2478 | EMIT(0x3A); |
| 2479 | EMIT(0x16); |
| 2480 | emit_sse_operand(src, dst); |
| 2481 | EMIT(offset); |
fschneider@chromium.org | c20610a | 2010-09-22 09:44:58 +0000 | [diff] [blame] | 2482 | } |
| 2483 | |
| 2484 | |
erik.corry@gmail.com | d91075f | 2011-02-10 07:45:38 +0000 | [diff] [blame] | 2485 | void Assembler::pinsrd(XMMRegister dst, const Operand& src, int8_t offset) { |
ulan@chromium.org | 750145a | 2013-03-07 15:14:13 +0000 | [diff] [blame] | 2486 | ASSERT(IsEnabled(SSE4_1)); |
erik.corry@gmail.com | d91075f | 2011-02-10 07:45:38 +0000 | [diff] [blame] | 2487 | EnsureSpace ensure_space(this); |
erik.corry@gmail.com | d91075f | 2011-02-10 07:45:38 +0000 | [diff] [blame] | 2488 | EMIT(0x66); |
| 2489 | EMIT(0x0F); |
| 2490 | EMIT(0x3A); |
| 2491 | EMIT(0x22); |
| 2492 | emit_sse_operand(dst, src); |
| 2493 | EMIT(offset); |
| 2494 | } |
| 2495 | |
| 2496 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2497 | void Assembler::emit_sse_operand(XMMRegister reg, const Operand& adr) { |
| 2498 | Register ireg = { reg.code() }; |
| 2499 | emit_operand(ireg, adr); |
| 2500 | } |
| 2501 | |
| 2502 | |
| 2503 | void Assembler::emit_sse_operand(XMMRegister dst, XMMRegister src) { |
| 2504 | EMIT(0xC0 | dst.code() << 3 | src.code()); |
| 2505 | } |
| 2506 | |
| 2507 | |
vegorov@chromium.org | f837290 | 2010-03-15 10:26:20 +0000 | [diff] [blame] | 2508 | void Assembler::emit_sse_operand(Register dst, XMMRegister src) { |
| 2509 | EMIT(0xC0 | dst.code() << 3 | src.code()); |
| 2510 | } |
| 2511 | |
| 2512 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2513 | void Assembler::Print() { |
ulan@chromium.org | 09d7ab5 | 2013-02-25 15:50:35 +0000 | [diff] [blame] | 2514 | Disassembler::Decode(isolate(), stdout, buffer_, pc_); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2515 | } |
| 2516 | |
| 2517 | |
| 2518 | void Assembler::RecordJSReturn() { |
whesse@chromium.org | f0ac72d | 2010-11-08 12:47:26 +0000 | [diff] [blame] | 2519 | positions_recorder()->WriteRecordedPositions(); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2520 | EnsureSpace ensure_space(this); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 2521 | RecordRelocInfo(RelocInfo::JS_RETURN); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2522 | } |
| 2523 | |
| 2524 | |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 2525 | void Assembler::RecordDebugBreakSlot() { |
whesse@chromium.org | f0ac72d | 2010-11-08 12:47:26 +0000 | [diff] [blame] | 2526 | positions_recorder()->WriteRecordedPositions(); |
vegorov@chromium.org | 2356e6f | 2010-06-09 09:38:56 +0000 | [diff] [blame] | 2527 | EnsureSpace ensure_space(this); |
| 2528 | RecordRelocInfo(RelocInfo::DEBUG_BREAK_SLOT); |
| 2529 | } |
| 2530 | |
| 2531 | |
kmillikin@chromium.org | 49edbdf | 2011-02-16 12:32:18 +0000 | [diff] [blame] | 2532 | void Assembler::RecordComment(const char* msg, bool force) { |
| 2533 | if (FLAG_code_comments || force) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2534 | EnsureSpace ensure_space(this); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 2535 | RecordRelocInfo(RelocInfo::COMMENT, reinterpret_cast<intptr_t>(msg)); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2536 | } |
| 2537 | } |
| 2538 | |
| 2539 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2540 | void Assembler::GrowBuffer() { |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2541 | ASSERT(overflow()); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2542 | if (!own_buffer_) FATAL("external code buffer is too small"); |
| 2543 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2544 | // Compute new buffer size. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2545 | CodeDesc desc; // the new buffer |
| 2546 | if (buffer_size_ < 4*KB) { |
| 2547 | desc.buffer_size = 4*KB; |
| 2548 | } else { |
| 2549 | desc.buffer_size = 2*buffer_size_; |
| 2550 | } |
| 2551 | // Some internal data structures overflow for very large buffers, |
| 2552 | // they must ensure that kMaximalBufferSize is not too large. |
| 2553 | if ((desc.buffer_size > kMaximalBufferSize) || |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2554 | (desc.buffer_size > isolate()->heap()->MaxOldGenerationSize())) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2555 | V8::FatalProcessOutOfMemory("Assembler::GrowBuffer"); |
| 2556 | } |
| 2557 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 2558 | // Set up new buffer. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2559 | desc.buffer = NewArray<byte>(desc.buffer_size); |
| 2560 | desc.instr_size = pc_offset(); |
| 2561 | desc.reloc_size = (buffer_ + buffer_size_) - (reloc_info_writer.pos()); |
| 2562 | |
| 2563 | // Clear the buffer in debug mode. Use 'int3' instructions to make |
| 2564 | // sure to get into problems if we ever run uninitialized code. |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 2565 | #ifdef DEBUG |
| 2566 | memset(desc.buffer, 0xCC, desc.buffer_size); |
| 2567 | #endif |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2568 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2569 | // Copy the data. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2570 | int pc_delta = desc.buffer - buffer_; |
| 2571 | int rc_delta = (desc.buffer + desc.buffer_size) - (buffer_ + buffer_size_); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 2572 | OS::MemMove(desc.buffer, buffer_, desc.instr_size); |
| 2573 | OS::MemMove(rc_delta + reloc_info_writer.pos(), |
| 2574 | reloc_info_writer.pos(), desc.reloc_size); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2575 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2576 | // Switch buffers. |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2577 | if (isolate()->assembler_spare_buffer() == NULL && |
| 2578 | buffer_size_ == kMinimalBufferSize) { |
| 2579 | isolate()->set_assembler_spare_buffer(buffer_); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2580 | } else { |
| 2581 | DeleteArray(buffer_); |
| 2582 | } |
| 2583 | buffer_ = desc.buffer; |
| 2584 | buffer_size_ = desc.buffer_size; |
| 2585 | pc_ += pc_delta; |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2586 | reloc_info_writer.Reposition(reloc_info_writer.pos() + rc_delta, |
| 2587 | reloc_info_writer.last_pc() + pc_delta); |
| 2588 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2589 | // Relocate runtime entries. |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2590 | for (RelocIterator it(desc); !it.done(); it.next()) { |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 2591 | RelocInfo::Mode rmode = it.rinfo()->rmode(); |
ulan@chromium.org | 6e196bf | 2013-03-13 09:38:22 +0000 | [diff] [blame] | 2592 | if (rmode == RelocInfo::INTERNAL_REFERENCE) { |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 2593 | int32_t* p = reinterpret_cast<int32_t*>(it.rinfo()->pc()); |
| 2594 | if (*p != 0) { // 0 means uninitialized. |
| 2595 | *p += pc_delta; |
| 2596 | } |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2597 | } |
| 2598 | } |
| 2599 | |
| 2600 | ASSERT(!overflow()); |
| 2601 | } |
| 2602 | |
| 2603 | |
| 2604 | void Assembler::emit_arith_b(int op1, int op2, Register dst, int imm8) { |
| 2605 | ASSERT(is_uint8(op1) && is_uint8(op2)); // wrong opcode |
| 2606 | ASSERT(is_uint8(imm8)); |
| 2607 | ASSERT((op1 & 0x01) == 0); // should be 8bit operation |
| 2608 | EMIT(op1); |
| 2609 | EMIT(op2 | dst.code()); |
| 2610 | EMIT(imm8); |
| 2611 | } |
| 2612 | |
| 2613 | |
| 2614 | void Assembler::emit_arith(int sel, Operand dst, const Immediate& x) { |
| 2615 | ASSERT((0 <= sel) && (sel <= 7)); |
| 2616 | Register ireg = { sel }; |
| 2617 | if (x.is_int8()) { |
| 2618 | EMIT(0x83); // using a sign-extended 8-bit immediate. |
| 2619 | emit_operand(ireg, dst); |
| 2620 | EMIT(x.x_ & 0xFF); |
| 2621 | } else if (dst.is_reg(eax)) { |
| 2622 | EMIT((sel << 3) | 0x05); // short form if the destination is eax. |
| 2623 | emit(x); |
| 2624 | } else { |
| 2625 | EMIT(0x81); // using a literal 32-bit immediate. |
| 2626 | emit_operand(ireg, dst); |
| 2627 | emit(x); |
| 2628 | } |
| 2629 | } |
| 2630 | |
| 2631 | |
| 2632 | void Assembler::emit_operand(Register reg, const Operand& adr) { |
ager@chromium.org | ddb913d | 2009-01-27 10:01:48 +0000 | [diff] [blame] | 2633 | const unsigned length = adr.len_; |
| 2634 | ASSERT(length > 0); |
| 2635 | |
| 2636 | // Emit updated ModRM byte containing the given register. |
| 2637 | pc_[0] = (adr.buf_[0] & ~0x38) | (reg.code() << 3); |
| 2638 | |
| 2639 | // Emit the rest of the encoded operand. |
| 2640 | for (unsigned i = 1; i < length; i++) pc_[i] = adr.buf_[i]; |
| 2641 | pc_ += length; |
| 2642 | |
| 2643 | // Emit relocation information if necessary. |
jkummerow@chromium.org | 59297c7 | 2013-01-09 16:32:23 +0000 | [diff] [blame] | 2644 | if (length >= sizeof(int32_t) && !RelocInfo::IsNone(adr.rmode_)) { |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2645 | pc_ -= sizeof(int32_t); // pc_ must be *at* disp32 |
| 2646 | RecordRelocInfo(adr.rmode_); |
| 2647 | pc_ += sizeof(int32_t); |
| 2648 | } |
| 2649 | } |
| 2650 | |
| 2651 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2652 | void Assembler::emit_farith(int b1, int b2, int i) { |
| 2653 | ASSERT(is_uint8(b1) && is_uint8(b2)); // wrong opcode |
| 2654 | ASSERT(0 <= i && i < 8); // illegal stack offset |
| 2655 | EMIT(b1); |
| 2656 | EMIT(b2 + i); |
| 2657 | } |
| 2658 | |
| 2659 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2660 | void Assembler::db(uint8_t data) { |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 2661 | EnsureSpace ensure_space(this); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2662 | EMIT(data); |
| 2663 | } |
| 2664 | |
| 2665 | |
| 2666 | void Assembler::dd(uint32_t data) { |
| 2667 | EnsureSpace ensure_space(this); |
| 2668 | emit(data); |
ager@chromium.org | 236ad96 | 2008-09-25 09:45:57 +0000 | [diff] [blame] | 2669 | } |
| 2670 | |
| 2671 | |
| 2672 | void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) { |
yangguo@chromium.org | 4cd70b4 | 2013-01-04 08:57:54 +0000 | [diff] [blame] | 2673 | ASSERT(!RelocInfo::IsNone(rmode)); |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 2674 | // Don't record external references unless the heap will be serialized. |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 2675 | if (rmode == RelocInfo::EXTERNAL_REFERENCE) { |
| 2676 | #ifdef DEBUG |
| 2677 | if (!Serializer::enabled()) { |
| 2678 | Serializer::TooLateToEnableNow(); |
| 2679 | } |
| 2680 | #endif |
ricow@chromium.org | badaffc | 2011-03-17 12:15:27 +0000 | [diff] [blame] | 2681 | if (!Serializer::enabled() && !emit_debug_code()) { |
ager@chromium.org | c4c9272 | 2009-11-18 14:12:51 +0000 | [diff] [blame] | 2682 | return; |
| 2683 | } |
mads.s.ager@gmail.com | 769cc96 | 2008-08-06 10:02:49 +0000 | [diff] [blame] | 2684 | } |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2685 | RelocInfo rinfo(pc_, rmode, data, NULL); |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2686 | reloc_info_writer.Write(&rinfo); |
| 2687 | } |
| 2688 | |
kasperl@chromium.org | 5a8ca6c | 2008-10-23 13:57:19 +0000 | [diff] [blame] | 2689 | |
ager@chromium.org | 65dad4b | 2009-04-23 08:48:43 +0000 | [diff] [blame] | 2690 | #ifdef GENERATED_CODE_COVERAGE |
| 2691 | static FILE* coverage_log = NULL; |
| 2692 | |
| 2693 | |
| 2694 | static void InitCoverageLog() { |
| 2695 | char* file_name = getenv("V8_GENERATED_CODE_COVERAGE_LOG"); |
| 2696 | if (file_name != NULL) { |
| 2697 | coverage_log = fopen(file_name, "aw+"); |
| 2698 | } |
| 2699 | } |
| 2700 | |
| 2701 | |
| 2702 | void LogGeneratedCodeCoverage(const char* file_line) { |
| 2703 | const char* return_address = (&file_line)[-1]; |
| 2704 | char* push_insn = const_cast<char*>(return_address - 12); |
| 2705 | push_insn[0] = 0xeb; // Relative branch insn. |
| 2706 | push_insn[1] = 13; // Skip over coverage insns. |
| 2707 | if (coverage_log != NULL) { |
| 2708 | fprintf(coverage_log, "%s\n", file_line); |
| 2709 | fflush(coverage_log); |
| 2710 | } |
| 2711 | } |
| 2712 | |
| 2713 | #endif |
| 2714 | |
christian.plesner.hansen | 43d26ec | 2008-07-03 15:10:15 +0000 | [diff] [blame] | 2715 | } } // namespace v8::internal |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 2716 | |
| 2717 | #endif // V8_TARGET_ARCH_IA32 |