[v8-dev] [v8] r13640 committed - Get rid of x87 in ia32 LCodeGen::DoBranch...

Mon, 11 Feb 2013 06:44:42 -0800 

Revision: 13640
Author:   [email protected]
Date:     Mon Feb 11 06:44:25 2013
Log:      Get rid of x87 in ia32 LCodeGen::DoBranch

Review URL: https://codereview.chromium.org/12208044
http://code.google.com/p/v8/source/detail?r=13640

Modified:
 /branches/bleeding_edge/src/ia32/lithium-codegen-ia32.cc

=======================================
--- /branches/bleeding_edge/src/ia32/lithium-codegen-ia32.cc Fri Feb 8 09:32:47 2013 +++ /branches/bleeding_edge/src/ia32/lithium-codegen-ia32.cc Mon Feb 11 06:44:25 2013 
@@ -2070,9 +2070,8 @@
         __ cmp(FieldOperand(reg, HeapObject::kMapOffset),
                factory()->heap_number_map());
         __ j(not_equal, &not_heap_number, Label::kNear);
-        __ fldz();
-        __ fld_d(FieldOperand(reg, HeapNumber::kValueOffset));
-        __ FCmp();
+        __ xorps(xmm0, xmm0);
+        __ ucomisd(xmm0, FieldOperand(reg, HeapNumber::kValueOffset));
         __ j(zero, false_label);
         __ jmp(true_label);
         __ bind(&not_heap_number);

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