Tweak Math.log on ia32/x64

test/cctest/test-disasm-ia32.cc

 // Copyright 2011 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 340 matching lines @@
   __ nop();
   {
     if (CpuFeatures::IsSupported(SSE2)) {
       CpuFeatureScope fscope(&assm, SSE2);
       __ cvttss2si(edx, Operand(ebx, ecx, times_4, 10000));
       __ cvtsi2sd(xmm1, Operand(ebx, ecx, times_4, 10000));
       __ addsd(xmm1, xmm0);
       __ mulsd(xmm1, xmm0);
       __ subsd(xmm1, xmm0);
       __ divsd(xmm1, xmm0);
-      __ movdbl(xmm1, Operand(ebx, ecx, times_4, 10000));
-      __ movdbl(Operand(ebx, ecx, times_4, 10000), xmm1);
+      __ movsd(xmm1, Operand(ebx, ecx, times_4, 10000));
+      __ movsd(Operand(ebx, ecx, times_4, 10000), xmm1);
       __ ucomisd(xmm0, xmm1);
 
       // 128 bit move instructions.
       __ movdqa(xmm0, Operand(ebx, ecx, times_4, 10000));
       __ movdqa(Operand(ebx, ecx, times_4, 10000), xmm0);
       __ movdqu(xmm0, Operand(ebx, ecx, times_4, 10000));
       __ movdqu(Operand(ebx, ecx, times_4, 10000), xmm0);
     }
   }
 
@@ skipping 76 matching lines @@
   CHECK(code->IsCode());
 #ifdef OBJECT_PRINT
   Code::cast(code)->Print();
   byte* begin = Code::cast(code)->instruction_start();
   byte* end = begin + Code::cast(code)->instruction_size();
   disasm::Disassembler::Disassemble(stdout, begin, end);
 #endif
 }
 
 #undef __