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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-10-06 23:56:46 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-10-06 23:56:46 +0000 |
| commit | b2dd88db6b4eed6bbdd2d245926f32f445cf8da1 (patch) | |
| tree | c1f2343b5b2fb7be1ecc60092ce60d4592040598 /llvm/lib/Target/X86/X86RegisterInfo.cpp | |
| parent | 18842783cc0d442d292ae4fd40c8c04c4e8702c4 (diff) | |
| download | bcm5719-llvm-b2dd88db6b4eed6bbdd2d245926f32f445cf8da1.tar.gz bcm5719-llvm-b2dd88db6b4eed6bbdd2d245926f32f445cf8da1.zip | |
Properly handle GR32_NOSP in X86RegisterInfo::getMatchingSuperRegClass.
This function looks like it is about ready to be generated by TebleGen.
llvm-svn: 115876
Diffstat (limited to 'llvm/lib/Target/X86/X86RegisterInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86RegisterInfo.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86RegisterInfo.cpp b/llvm/lib/Target/X86/X86RegisterInfo.cpp index 5d5dc6a9c7a..c043554b321 100644 --- a/llvm/lib/Target/X86/X86RegisterInfo.cpp +++ b/llvm/lib/Target/X86/X86RegisterInfo.cpp @@ -270,9 +270,14 @@ X86RegisterInfo::getMatchingSuperRegClass(const TargetRegisterClass *A, } 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 || |
