Moved initialization of xmm3 making sure it is initialized on all paths in Ge...

src/ia32/codegen-ia32.cc

 // Copyright 2010 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 5278 matching lines @@
     Result y = frame_->Pop();
     Result x= frame_->Pop();
     if (p.is_valid() && p.reg().is(eax)) {
       x.ToRegister();
       y.ToRegister();
       frame_->Spill(x.reg());
       frame_->Spill(y.reg());
       ASSERT(x.is_valid());
       ASSERT(y.is_valid());
 
+      // Save 1 in xmm3 - we need this several times later on
+      __ mov(p.reg(), Immediate(1));
+      __ cvtsi2sd(xmm3, Operand(p.reg()));
+
       Label y_nonsmi;
       Label x_is_double;
       // If y is a heap number go to that specific case.
       __ test(y.reg(), Immediate(kSmiTagMask));
       __ j(not_zero, &y_nonsmi);
       __ test(x.reg(), Immediate(kSmiTagMask));
       __ j(not_zero, &x_is_double);
 
       // Bot numbers are smis.
       Label powi;
       __ SmiUntag(x.reg());
       __ cvtsi2sd(xmm0, Operand(x.reg()));
       __ jmp(&powi);
       // Y is smi and x is a double.
       __ bind(&x_is_double);
       __ cmp(FieldOperand(x.reg(), HeapObject::kMapOffset),
              Factory::heap_number_map());
       __ j(not_equal, &go_runtime);
       __ movdbl(xmm0, FieldOperand(x.reg(), HeapNumber::kValueOffset));
 
       __ bind(&powi);
       __ SmiUntag(y.reg());
 
       // Save y in x as we need to check if y is negative later.
       __ mov(x.reg(), y.reg());
-      // Save 1 in xmm3 - we need this several times later on
-      __ mov(p.reg(), Immediate(1));
-      __ cvtsi2sd(xmm3, Operand(p.reg()));
+
 
       // Get absolute value of y.
       Label no_neg;
       __ cmp(y.reg(), 0);
       __ j(greater_equal, &no_neg);
       __ neg(y.reg());
       __ bind(&no_neg);
 
       // Optimized version of pow if y is an integer.
       // Load xmm1 with 1.
@@ skipping 5893 matching lines @@
 
   // Call the runtime; it returns -1 (less), 0 (equal), or 1 (greater)
   // tagged as a small integer.
   __ bind(&runtime);
   __ TailCallRuntime(Runtime::kStringCompare, 2, 1);
 }
 
 #undef __
 
 } }  // namespace v8::internal