Reland r10908 (Ensure consistent result of transcendental function0.)

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index b89cc14c6611f7b9b90c1e325756e2817d643c1b..5b6f6873c264326d8b843343161e556a79103884 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -2510,7 +2510,7 @@ void TranscendentalCacheStub::Generate(MacroAssembler* masm) {
     __ fld_d(Operand(esp, 0));
     __ add(esp, Immediate(kDoubleSize));
   }
-  GenerateOperation(masm);
+  GenerateOperation(masm, type_);
   __ mov(Operand(ecx, 0), ebx);
   __ mov(Operand(ecx, kIntSize), edx);
   __ mov(Operand(ecx, 2 * kIntSize), eax);
@@ -2526,7 +2526,7 @@ void TranscendentalCacheStub::Generate(MacroAssembler* masm) {
     __ sub(esp, Immediate(kDoubleSize));
     __ movdbl(Operand(esp, 0), xmm1);
     __ fld_d(Operand(esp, 0));
-    GenerateOperation(masm);
+    GenerateOperation(masm, type_);
     __ fstp_d(Operand(esp, 0));
     __ movdbl(xmm1, Operand(esp, 0));
     __ add(esp, Immediate(kDoubleSize));
@@ -2578,14 +2578,15 @@ Runtime::FunctionId TranscendentalCacheStub::RuntimeFunction() {
 }
 
 
-void TranscendentalCacheStub::GenerateOperation(MacroAssembler* masm) {
+void TranscendentalCacheStub::GenerateOperation(
+    MacroAssembler* masm, TranscendentalCache::Type type) {
   // Only free register is edi.
   // Input value is on FP stack, and also in ebx/edx.
   // Input value is possibly in xmm1.
   // Address of result (a newly allocated HeapNumber) may be in eax.
-  if (type_ == TranscendentalCache::SIN ||
-      type_ == TranscendentalCache::COS ||
-      type_ == TranscendentalCache::TAN) {
+  if (type == TranscendentalCache::SIN ||
+      type == TranscendentalCache::COS ||
+      type == TranscendentalCache::TAN) {
     // Both fsin and fcos require arguments in the range +/-2^63 and
     // return NaN for infinities and NaN. They can share all code except
     // the actual fsin/fcos operation.
@@ -2649,7 +2650,7 @@ void TranscendentalCacheStub::GenerateOperation(MacroAssembler* masm) {
 
     // FPU Stack: input % 2*pi
     __ bind(&in_range);
-    switch (type_) {
+    switch (type) {
       case TranscendentalCache::SIN:
         __ fsin();
         break;
@@ -2667,7 +2668,7 @@ void TranscendentalCacheStub::GenerateOperation(MacroAssembler* masm) {
     }
     __ bind(&done);
   } else {
-    ASSERT(type_ == TranscendentalCache::LOG);
+    ASSERT(type == TranscendentalCache::LOG);
     __ fldln2();
     __ fxch();
     __ fyl2x();