[turbofan] Support for %_DoubleHi, %_DoubleLo and %_ConstructDouble.

src/ia32/macro-assembler-ia32.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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
@@ skipping 2423 matching lines @@
     } else {
       push(Immediate(upper));
       push(Immediate(lower));
       movsd(dst, Operand(esp, 0));
       add(esp, Immediate(kDoubleSize));
     }
   }
 }
 
 
+void MacroAssembler::Pextrd(Register dst, XMMRegister src, int8_t imm8) {
+  if (imm8 == 0) {
+    movd(dst, src);
+    return;
+  }
+  DCHECK_EQ(1, imm8);
+  if (CpuFeatures::IsSupported(SSE4_1)) {
+    CpuFeatureScope sse_scope(this, SSE4_1);
+    pextrd(dst, src, imm8);
+    return;
+  }
+  pshufd(xmm0, src, 1);
+  movd(dst, src);
+}
+
+
+void MacroAssembler::Pinsrd(XMMRegister dst, const Operand& src, int8_t imm8) {
+  DCHECK(imm8 == 0 || imm8 == 1);
+  if (CpuFeatures::IsSupported(SSE4_1)) {
+    CpuFeatureScope sse_scope(this, SSE4_1);
+    pinsrd(dst, src, imm8);
+    return;
+  }
+  movd(xmm0, src);
+  if (imm8 == 1) {
+    punpckldq(dst, xmm0);
+  } else {
+    DCHECK_EQ(0, imm8);
+    psrlq(dst, 32);
+    punpckldq(xmm0, dst);
+    movaps(dst, xmm0);
+  }
+}
+
+
 void MacroAssembler::SetCounter(StatsCounter* counter, int value) {
   if (FLAG_native_code_counters && counter->Enabled()) {
     mov(Operand::StaticVariable(ExternalReference(counter)), Immediate(value));
   }
 }
 
 
 void MacroAssembler::IncrementCounter(StatsCounter* counter, int value) {
   DCHECK(value > 0);
   if (FLAG_native_code_counters && counter->Enabled()) {
@@ skipping 746 matching lines @@
   if (mag.shift > 0) sar(edx, mag.shift);
   mov(eax, dividend);
   shr(eax, 31);
   add(edx, eax);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32