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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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/base/division-by-constant.h" | 10 #include "src/base/division-by-constant.h" |
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2446 movd(dst, src); | 2446 movd(dst, src); |
2447 return; | 2447 return; |
2448 } | 2448 } |
2449 DCHECK_EQ(1, imm8); | 2449 DCHECK_EQ(1, imm8); |
2450 if (CpuFeatures::IsSupported(SSE4_1)) { | 2450 if (CpuFeatures::IsSupported(SSE4_1)) { |
2451 CpuFeatureScope sse_scope(this, SSE4_1); | 2451 CpuFeatureScope sse_scope(this, SSE4_1); |
2452 pextrd(dst, src, imm8); | 2452 pextrd(dst, src, imm8); |
2453 return; | 2453 return; |
2454 } | 2454 } |
2455 pshufd(xmm0, src, 1); | 2455 pshufd(xmm0, src, 1); |
2456 movd(dst, src); | 2456 movd(dst, xmm0); |
2457 } | 2457 } |
2458 | 2458 |
2459 | 2459 |
2460 void MacroAssembler::Pinsrd(XMMRegister dst, const Operand& src, int8_t imm8) { | 2460 void MacroAssembler::Pinsrd(XMMRegister dst, const Operand& src, int8_t imm8) { |
2461 DCHECK(imm8 == 0 || imm8 == 1); | 2461 DCHECK(imm8 == 0 || imm8 == 1); |
2462 if (CpuFeatures::IsSupported(SSE4_1)) { | 2462 if (CpuFeatures::IsSupported(SSE4_1)) { |
2463 CpuFeatureScope sse_scope(this, SSE4_1); | 2463 CpuFeatureScope sse_scope(this, SSE4_1); |
2464 pinsrd(dst, src, imm8); | 2464 pinsrd(dst, src, imm8); |
2465 return; | 2465 return; |
2466 } | 2466 } |
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3235 if (mag.shift > 0) sar(edx, mag.shift); | 3235 if (mag.shift > 0) sar(edx, mag.shift); |
3236 mov(eax, dividend); | 3236 mov(eax, dividend); |
3237 shr(eax, 31); | 3237 shr(eax, 31); |
3238 add(edx, eax); | 3238 add(edx, eax); |
3239 } | 3239 } |
3240 | 3240 |
3241 | 3241 |
3242 } } // namespace v8::internal | 3242 } } // namespace v8::internal |
3243 | 3243 |
3244 #endif // V8_TARGET_ARCH_IA32 | 3244 #endif // V8_TARGET_ARCH_IA32 |
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