[turbofan]IA: ChangeFloat32ToFloat64 supports mem operand

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 393 matching lines @@
     __ subps(xmm1, xmm0);
     __ subps(xmm1, Operand(ebx, ecx, times_4, 10000));
     __ mulps(xmm1, xmm0);
     __ mulps(xmm1, Operand(ebx, ecx, times_4, 10000));
     __ divps(xmm1, xmm0);
     __ divps(xmm1, Operand(ebx, ecx, times_4, 10000));
   }
   {
     __ cvttss2si(edx, Operand(ebx, ecx, times_4, 10000));
     __ cvtsi2sd(xmm1, Operand(ebx, ecx, times_4, 10000));
+    __ cvtss2sd(xmm1, Operand(ebx, ecx, times_4, 10000));
+    __ cvtss2sd(xmm1, xmm0);
     __ movsd(xmm1, Operand(ebx, ecx, times_4, 10000));
     __ movsd(Operand(ebx, ecx, times_4, 10000), 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);
 
     __ addsd(xmm1, xmm0);
     __ mulsd(xmm1, xmm0);
@@ skipping 63 matching lines @@
 #ifdef OBJECT_PRINT
   OFStream os(stdout);
   code->Print(os);
   byte* begin = code->instruction_start();
   byte* end = begin + code->instruction_size();
   disasm::Disassembler::Disassemble(stdout, begin, end);
 #endif
 }
 
 #undef __