Remove the comisd instruction from the ia32 and x64 assemblers. We...

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 2720 matching lines @@
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit(0xF2);
   emit_optional_rex_32(dst, src);
   emit(0x0F);
   emit(0x51);
   emit_sse_operand(dst, src);
 }
 
 
-void Assembler::comisd(XMMRegister dst, XMMRegister src) {
-  EnsureSpace ensure_space(this);
-  last_pc_ = pc_;
-  emit(0x66);
-  emit_optional_rex_32(dst, src);
-  emit(0x0f);
-  emit(0x2f);
-  emit_sse_operand(dst, src);
-}
-
-
 void Assembler::ucomisd(XMMRegister dst, XMMRegister 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);
 }
 
@@ skipping 104 matching lines @@
   // specially coded on x64 means that it is a relative 32 bit address, as used
   // by branch instructions.
   return (1 << rmode_) & kApplyMask;
 }
 
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64