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Issue 1419983002: [x64] Implement vpcmpeqd, vpslld, vpsrld AVX instructions. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 2 months ago
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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"
(...skipping 2472 matching lines...) Expand 10 before | Expand all | Expand 10 after
2483 } 2483 }
2484 2484
2485 2485
2486 void MacroAssembler::Move(XMMRegister dst, uint32_t src) { 2486 void MacroAssembler::Move(XMMRegister dst, uint32_t src) {
2487 if (src == 0) { 2487 if (src == 0) {
2488 Xorpd(dst, dst); 2488 Xorpd(dst, dst);
2489 } else { 2489 } else {
2490 unsigned pop = base::bits::CountPopulation32(src); 2490 unsigned pop = base::bits::CountPopulation32(src);
2491 DCHECK_NE(0u, pop); 2491 DCHECK_NE(0u, pop);
2492 if (pop == 32) { 2492 if (pop == 32) {
2493 pcmpeqd(dst, dst); 2493 Pcmpeqd(dst, dst);
2494 } else { 2494 } else {
2495 movl(kScratchRegister, Immediate(src)); 2495 movl(kScratchRegister, Immediate(src));
2496 Movq(dst, kScratchRegister); 2496 Movq(dst, kScratchRegister);
2497 } 2497 }
2498 } 2498 }
2499 } 2499 }
2500 2500
2501 2501
2502 void MacroAssembler::Move(XMMRegister dst, uint64_t src) { 2502 void MacroAssembler::Move(XMMRegister dst, uint64_t src) {
2503 if (src == 0) { 2503 if (src == 0) {
2504 Xorpd(dst, dst); 2504 Xorpd(dst, dst);
2505 } else { 2505 } else {
2506 unsigned nlz = base::bits::CountLeadingZeros64(src); 2506 unsigned nlz = base::bits::CountLeadingZeros64(src);
2507 unsigned ntz = base::bits::CountTrailingZeros64(src); 2507 unsigned ntz = base::bits::CountTrailingZeros64(src);
2508 unsigned pop = base::bits::CountPopulation64(src); 2508 unsigned pop = base::bits::CountPopulation64(src);
2509 DCHECK_NE(0u, pop); 2509 DCHECK_NE(0u, pop);
2510 if (pop == 64) { 2510 if (pop == 64) {
2511 pcmpeqd(dst, dst); 2511 Pcmpeqd(dst, dst);
2512 } else if (pop + ntz == 64) { 2512 } else if (pop + ntz == 64) {
2513 pcmpeqd(dst, dst); 2513 Pcmpeqd(dst, dst);
2514 psllq(dst, ntz); 2514 Psllq(dst, ntz);
2515 } else if (pop + nlz == 64) { 2515 } else if (pop + nlz == 64) {
2516 pcmpeqd(dst, dst); 2516 Pcmpeqd(dst, dst);
2517 psrlq(dst, nlz); 2517 Psrlq(dst, nlz);
2518 } else { 2518 } else {
2519 uint32_t lower = static_cast<uint32_t>(src); 2519 uint32_t lower = static_cast<uint32_t>(src);
2520 uint32_t upper = static_cast<uint32_t>(src >> 32); 2520 uint32_t upper = static_cast<uint32_t>(src >> 32);
2521 if (upper == 0) { 2521 if (upper == 0) {
2522 Move(dst, lower); 2522 Move(dst, lower);
2523 } else { 2523 } else {
2524 movq(kScratchRegister, src); 2524 movq(kScratchRegister, src);
2525 Movq(dst, kScratchRegister); 2525 Movq(dst, kScratchRegister);
2526 } 2526 }
2527 } 2527 }
(...skipping 184 matching lines...) Expand 10 before | Expand all | Expand 10 after
2712 void MacroAssembler::Xorpd(XMMRegister dst, XMMRegister src) { 2712 void MacroAssembler::Xorpd(XMMRegister dst, XMMRegister src) {
2713 if (CpuFeatures::IsSupported(AVX)) { 2713 if (CpuFeatures::IsSupported(AVX)) {
2714 CpuFeatureScope scope(this, AVX); 2714 CpuFeatureScope scope(this, AVX);
2715 vxorpd(dst, dst, src); 2715 vxorpd(dst, dst, src);
2716 } else { 2716 } else {
2717 xorpd(dst, src); 2717 xorpd(dst, src);
2718 } 2718 }
2719 } 2719 }
2720 2720
2721 2721
2722 void MacroAssembler::Pcmpeqd(XMMRegister dst, XMMRegister src) {
2723 if (CpuFeatures::IsSupported(AVX)) {
2724 CpuFeatureScope scope(this, AVX);
2725 vpcmpeqd(dst, dst, src);
2726 } else {
2727 pcmpeqd(dst, src);
2728 }
2729 }
2730
2731
2732 void MacroAssembler::Psllq(XMMRegister dst, byte imm8) {
2733 if (CpuFeatures::IsSupported(AVX)) {
2734 CpuFeatureScope scope(this, AVX);
2735 vpsllq(dst, dst, imm8);
2736 } else {
2737 psllq(dst, imm8);
2738 }
2739 }
2740
2741
2742 void MacroAssembler::Psrlq(XMMRegister dst, byte imm8) {
2743 if (CpuFeatures::IsSupported(AVX)) {
2744 CpuFeatureScope scope(this, AVX);
2745 vpsrlq(dst, dst, imm8);
2746 } else {
2747 psrlq(dst, imm8);
2748 }
2749 }
2750
2751
2722 void MacroAssembler::Cmp(Register dst, Handle<Object> source) { 2752 void MacroAssembler::Cmp(Register dst, Handle<Object> source) {
2723 AllowDeferredHandleDereference smi_check; 2753 AllowDeferredHandleDereference smi_check;
2724 if (source->IsSmi()) { 2754 if (source->IsSmi()) {
2725 Cmp(dst, Smi::cast(*source)); 2755 Cmp(dst, Smi::cast(*source));
2726 } else { 2756 } else {
2727 MoveHeapObject(kScratchRegister, source); 2757 MoveHeapObject(kScratchRegister, source);
2728 cmpp(dst, kScratchRegister); 2758 cmpp(dst, kScratchRegister);
2729 } 2759 }
2730 } 2760 }
2731 2761
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5327 movl(rax, dividend); 5357 movl(rax, dividend);
5328 shrl(rax, Immediate(31)); 5358 shrl(rax, Immediate(31));
5329 addl(rdx, rax); 5359 addl(rdx, rax);
5330 } 5360 }
5331 5361
5332 5362
5333 } // namespace internal 5363 } // namespace internal
5334 } // namespace v8 5364 } // namespace v8
5335 5365
5336 #endif // V8_TARGET_ARCH_X64 5366 #endif // V8_TARGET_ARCH_X64
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