X64: Fix floating point and integer instructions in assembler.

src/x64/assembler-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 453 matching lines @@
   }
 }
 
 
 void Assembler::immediate_arithmetic_op_32(byte subcode,
                                            Register dst,
                                            Immediate src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_optional_rex_32(dst);
+  if (is_int8(src.value_)) {
     emit(0x83);
-  if (is_int8(src.value_)) {
     emit_modrm(subcode, dst);
     emit(src.value_);
   } else if (dst.is(rax)) {
     emit(0x05 | (subcode << 3));
     emitl(src.value_);
   } else {
     emit(0x81);
     emit_modrm(subcode, dst);
     emitl(src.value_);
   }
@@ skipping 1068 matching lines @@
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit(0xD9);
   emit(0xEE);
 }
 
 
 void Assembler::fld_s(const Operand& adr) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
+  emit_optional_rex_32(adr);
   emit(0xD9);
   emit_operand(0, adr);
 }
 
 
 void Assembler::fld_d(const Operand& adr) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
+  emit_optional_rex_32(adr);
   emit(0xDD);
   emit_operand(0, adr);
 }
 
 
 void Assembler::fstp_s(const Operand& adr) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
+  emit_optional_rex_32(adr);
   emit(0xD9);
   emit_operand(3, adr);
 }
 
 
 void Assembler::fstp_d(const Operand& adr) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
+  emit_optional_rex_32(adr);
   emit(0xDD);
   emit_operand(3, adr);
 }
 
 
 void Assembler::fild_s(const Operand& adr) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
+  emit_optional_rex_32(adr);
   emit(0xDB);
   emit_operand(0, adr);
 }
 
 
 void Assembler::fild_d(const Operand& adr) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
+  emit_optional_rex_32(adr);
   emit(0xDF);
   emit_operand(5, adr);
 }
 
 
 void Assembler::fistp_s(const Operand& adr) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
+  emit_optional_rex_32(adr);
   emit(0xDB);
   emit_operand(3, adr);
 }
 
 
 void Assembler::fisttp_s(const Operand& adr) {
   ASSERT(CpuFeatures::IsEnabled(CpuFeatures::SSE3));
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
+  emit_optional_rex_32(adr);
   emit(0xDB);
   emit_operand(1, adr);
 }
 
 
 void Assembler::fist_s(const Operand& adr) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
+  emit_optional_rex_32(adr);
   emit(0xDB);
   emit_operand(2, adr);
 }
 
 
 void Assembler::fistp_d(const Operand& adr) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
+  emit_optional_rex_32(adr);
   emit(0xDF);
   emit_operand(8, adr);
 }
 
 
 void Assembler::fabs() {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit(0xD9);
   emit(0xE1);
@@ skipping 34 matching lines @@
 void Assembler::fsub(int i) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_farith(0xDC, 0xE8, i);
 }
 
 
 void Assembler::fisub_s(const Operand& adr) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
+  emit_optional_rex_32(adr);
   emit(0xDA);
   emit_operand(4, adr);
 }
 
 
 void Assembler::fmul(int i) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_farith(0xDC, 0xC8, i);
 }
@@ skipping 423 matching lines @@
 bool BreakLocationIterator::IsDebugBreakAtReturn()  {
   UNIMPLEMENTED();
   return false;
 }
 
 void BreakLocationIterator::SetDebugBreakAtReturn()  {
   UNIMPLEMENTED();
 }
 
 } }  // namespace v8::internal