X64: Change some fpu operations to use XMM registers.

src/x64/assembler-x64.cc

Index: src/x64/assembler-x64.cc
diff --git a/src/x64/assembler-x64.cc b/src/x64/assembler-x64.cc
index edad1e2a01b44889d08f24edc4ceddc0243376f2..58d473920efcaee99f61db56bb4b01463d1f0b64 100644
--- a/src/x64/assembler-x64.cc
+++ b/src/x64/assembler-x64.cc
@@ -2606,6 +2606,28 @@ void Assembler::movsd(XMMRegister dst, const Operand& src) {
 }
 
 
+void Assembler::movss(XMMRegister dst, const Operand& src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xF3);  // single
+  emit_optional_rex_32(dst, src);
+  emit(0x0F);
+  emit(0x10);  // load
+  emit_sse_operand(dst, src);
+}
+
+
+void Assembler::movss(const Operand& src, XMMRegister dst) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xF3);  // single
+  emit_optional_rex_32(dst, src);
+  emit(0x0F);
+  emit(0x11);  // store
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::cvttss2si(Register dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
@@ -2661,6 +2683,17 @@ void Assembler::cvtlsi2sd(XMMRegister dst, Register src) {
 }
 
 
+void Assembler::cvtlsi2ss(XMMRegister dst, Register src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xF3);
+  emit_optional_rex_32(dst, src);
+  emit(0x0F);
+  emit(0x2A);
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::cvtqsi2sd(XMMRegister dst, Register src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
@@ -2683,6 +2716,28 @@ void Assembler::cvtss2sd(XMMRegister dst, XMMRegister src) {
 }
 
 
+void Assembler::cvtss2sd(XMMRegister dst, const Operand& src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xF3);
+  emit_optional_rex_32(dst, src);
+  emit(0x0F);
+  emit(0x5A);
+  emit_sse_operand(dst, src);
+}
+
+
+void Assembler::cvtsd2ss(XMMRegister dst, XMMRegister src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xF2);
+  emit_optional_rex_32(dst, src);
+  emit(0x0F);
+  emit(0x5A);
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::addsd(XMMRegister dst, XMMRegister src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
@@ -2760,6 +2815,18 @@ void Assembler::ucomisd(XMMRegister dst, XMMRegister src) {
 }
 
 
+void Assembler::ucomisd(XMMRegister dst, const Operand& src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0x66);
+  emit_optional_rex_32(dst, src);
+  emit(0x0f);
+  emit(0x2e);
+  emit_sse_operand(dst, src);
+}
+
+
+
 void Assembler::emit_sse_operand(XMMRegister reg, const Operand& adr) {
   Register ireg = { reg.code() };
   emit_operand(ireg, adr);