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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_X64 | 5 #if V8_TARGET_ARCH_X64 |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/base/division-by-constant.h" | 8 #include "src/base/division-by-constant.h" |
9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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3506 | 3506 |
3507 void MacroAssembler::Popcntq(Register dst, const Operand& src) { | 3507 void MacroAssembler::Popcntq(Register dst, const Operand& src) { |
3508 if (CpuFeatures::IsSupported(POPCNT)) { | 3508 if (CpuFeatures::IsSupported(POPCNT)) { |
3509 CpuFeatureScope scope(this, POPCNT); | 3509 CpuFeatureScope scope(this, POPCNT); |
3510 popcntq(dst, src); | 3510 popcntq(dst, src); |
3511 return; | 3511 return; |
3512 } | 3512 } |
3513 UNREACHABLE(); | 3513 UNREACHABLE(); |
3514 } | 3514 } |
3515 | 3515 |
| 3516 void MacroAssembler::Pshufd(XMMRegister dst, XMMRegister src, uint8_t shuffle) { |
| 3517 if (CpuFeatures::IsSupported(AVX)) { |
| 3518 CpuFeatureScope scope(this, AVX); |
| 3519 vpshufd(dst, src, shuffle); |
| 3520 } else { |
| 3521 pshufd(dst, src, shuffle); |
| 3522 } |
| 3523 } |
3516 | 3524 |
3517 void MacroAssembler::Pushad() { | 3525 void MacroAssembler::Pushad() { |
3518 Push(rax); | 3526 Push(rax); |
3519 Push(rcx); | 3527 Push(rcx); |
3520 Push(rdx); | 3528 Push(rdx); |
3521 Push(rbx); | 3529 Push(rbx); |
3522 // Not pushing rsp or rbp. | 3530 // Not pushing rsp or rbp. |
3523 Push(rsi); | 3531 Push(rsi); |
3524 Push(rdi); | 3532 Push(rdi); |
3525 Push(r8); | 3533 Push(r8); |
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5287 movl(rax, dividend); | 5295 movl(rax, dividend); |
5288 shrl(rax, Immediate(31)); | 5296 shrl(rax, Immediate(31)); |
5289 addl(rdx, rax); | 5297 addl(rdx, rax); |
5290 } | 5298 } |
5291 | 5299 |
5292 | 5300 |
5293 } // namespace internal | 5301 } // namespace internal |
5294 } // namespace v8 | 5302 } // namespace v8 |
5295 | 5303 |
5296 #endif // V8_TARGET_ARCH_X64 | 5304 #endif // V8_TARGET_ARCH_X64 |
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