[x64] Make use of vucomiss and vucomisd when AVX is enabled.

src/x64/macro-assembler-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 2611 matching lines @@
 void MacroAssembler::Movmskpd(Register dst, XMMRegister src) {
   if (CpuFeatures::IsSupported(AVX)) {
     CpuFeatureScope scope(this, AVX);
     vmovmskpd(dst, src);
   } else {
     movmskpd(dst, src);
   }
 }
 
 
+void MacroAssembler::Ucomiss(XMMRegister src1, XMMRegister src2) {
+  if (CpuFeatures::IsSupported(AVX)) {
+    CpuFeatureScope scope(this, AVX);
+    vucomiss(src1, src2);
+  } else {
+    ucomiss(src1, src2);
+  }
+}
+
+
+void MacroAssembler::Ucomiss(XMMRegister src1, const Operand& src2) {
+  if (CpuFeatures::IsSupported(AVX)) {
+    CpuFeatureScope scope(this, AVX);
+    vucomiss(src1, src2);
+  } else {
+    ucomiss(src1, src2);
+  }
+}
+
+
+void MacroAssembler::Ucomisd(XMMRegister src1, XMMRegister src2) {
+  if (CpuFeatures::IsSupported(AVX)) {
+    CpuFeatureScope scope(this, AVX);
+    vucomisd(src1, src2);
+  } else {
+    ucomisd(src1, src2);
+  }
+}
+
+
+void MacroAssembler::Ucomisd(XMMRegister src1, const Operand& src2) {
+  if (CpuFeatures::IsSupported(AVX)) {
+    CpuFeatureScope scope(this, AVX);
+    vucomisd(src1, src2);
+  } else {
+    ucomisd(src1, src2);
+  }
+}
+
+
 void MacroAssembler::Xorpd(XMMRegister dst, XMMRegister src) {
   if (CpuFeatures::IsSupported(AVX)) {
     CpuFeatureScope scope(this, AVX);
     vxorpd(dst, dst, src);
   } else {
     xorpd(dst, src);
   }
 }
 
 
@@ skipping 698 matching lines @@
   j(zero, &done, Label::kNear);
   cmpl(result_reg, Immediate(1));
   j(overflow, &conv_failure, Label::kNear);
   movl(result_reg, Immediate(0));
   setcc(sign, result_reg);
   subl(result_reg, Immediate(1));
   andl(result_reg, Immediate(255));
   jmp(&done, Label::kNear);
   bind(&conv_failure);
   Set(result_reg, 0);
-  ucomisd(input_reg, temp_xmm_reg);
+  Ucomisd(input_reg, temp_xmm_reg);
   j(below, &done, Label::kNear);
   Set(result_reg, 255);
   bind(&done);
 }
 
 
 void MacroAssembler::LoadUint32(XMMRegister dst,
                                 Register src) {
   if (FLAG_debug_code) {
     cmpq(src, Immediate(0xffffffff));
@@ skipping 53 matching lines @@
 }
 
 
 void MacroAssembler::DoubleToI(Register result_reg, XMMRegister input_reg,
                                XMMRegister scratch,
                                MinusZeroMode minus_zero_mode,
                                Label* lost_precision, Label* is_nan,
                                Label* minus_zero, Label::Distance dst) {
   Cvttsd2si(result_reg, input_reg);
   Cvtlsi2sd(xmm0, result_reg);
-  ucomisd(xmm0, input_reg);
+  Ucomisd(xmm0, input_reg);
   j(not_equal, lost_precision, dst);
   j(parity_even, is_nan, dst);  // NaN.
   if (minus_zero_mode == FAIL_ON_MINUS_ZERO) {
     Label done;
     // The integer converted back is equal to the original. We
     // only have to test if we got -0 as an input.
     testl(result_reg, result_reg);
     j(not_zero, &done, Label::kNear);
     Movmskpd(result_reg, input_reg);
     // Bit 0 contains the sign of the double in input_reg.
@@ skipping 1816 matching lines @@
   movl(rax, dividend);
   shrl(rax, Immediate(31));
   addl(rdx, rax);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64