[llvm-commits] [llvm] r115876 - /llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp
Jakob Stoklund Olesen
stoklund at 2pi.dk
Wed Oct 6 16:56:46 PDT 2010
Author: stoklund
Date: Wed Oct 6 18:56:46 2010
New Revision: 115876
URL: http://llvm.org/viewvc/llvm-project?rev=115876&view=rev
Log:
Properly handle GR32_NOSP in X86RegisterInfo::getMatchingSuperRegClass.
This function looks like it is about ready to be generated by TebleGen.
Modified:
llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp
Modified: llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp?rev=115876&r1=115875&r2=115876&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp Wed Oct 6 18:56:46 2010
@@ -270,9 +270,14 @@
}
break;
case X86::sub_32bit:
- if (B == &X86::GR32RegClass || B == &X86::GR32_NOSPRegClass) {
+ if (B == &X86::GR32RegClass) {
if (A->getSize() == 8)
return A;
+ } else if (B == &X86::GR32_NOSPRegClass) {
+ if (A == &X86::GR64RegClass || &X86::GR64_NOSPRegClass)
+ return &X86::GR64_NOSPRegClass;
+ if (A->getSize() == 8)
+ return getCommonSubClass(A, &X86::GR64_NOSPRegClass);
} else if (B == &X86::GR32_ABCDRegClass) {
if (A == &X86::GR64RegClass || A == &X86::GR64_ABCDRegClass ||
A == &X86::GR64_NOREXRegClass ||
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