Revision: 18319
Author: [email protected]
Date: Tue Dec 17 09:09:55 2013 UTC
Log: Fix NotifyStubFailureSaveDoubles generation for ia32.
[email protected]
Review URL: https://chromiumcodereview.appspot.com/112833002
http://code.google.com/p/v8/source/detail?r=18319
Modified:
/branches/bleeding_edge/src/arguments.cc
/branches/bleeding_edge/src/ia32/builtins-ia32.cc
=======================================
--- /branches/bleeding_edge/src/arguments.cc Fri Nov 22 10:21:47 2013 UTC
+++ /branches/bleeding_edge/src/arguments.cc Tue Dec 17 09:09:55 2013 UTC
@@ -120,6 +120,7 @@
double ClobberDoubleRegisters(double x1, double x2, double x3, double x4) {
// TODO(ulan): This clobbers only subset of registers depending on
compiler,
// Rewrite this in assembly to really clobber all registers.
+ // GCC for ia32 uses the FPU and does not touch XMM registers.
return x1 * 1.01 + x2 * 2.02 + x3 * 3.03 + x4 * 4.04;
}
=======================================
--- /branches/bleeding_edge/src/ia32/builtins-ia32.cc Thu Dec 5 16:17:44
2013 UTC
+++ /branches/bleeding_edge/src/ia32/builtins-ia32.cc Tue Dec 17 09:09:55
2013 UTC
@@ -627,7 +627,12 @@
void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm)
{
- Generate_NotifyStubFailureHelper(masm, kSaveFPRegs);
+ if (Serializer::enabled()) {
+ PlatformFeatureScope sse2(SSE2);
+ Generate_NotifyStubFailureHelper(masm, kSaveFPRegs);
+ } else {
+ Generate_NotifyStubFailureHelper(masm, kSaveFPRegs);
+ }
}
--
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