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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 | 8f42a19fb0793e1af465e9cf315524fa81396c76 (patch) | |
| tree | b8ee91d25875a2781750285f6386781849074aad /lib | |
| parent | bf4699c56100a0184bbe4fb53937c7204ca1ceb0 (diff) | |
| download | llvm-8f42a19fb0793e1af465e9cf315524fa81396c76.tar.gz llvm-8f42a19fb0793e1af465e9cf315524fa81396c76.tar.bz2 llvm-8f42a19fb0793e1af465e9cf315524fa81396c76.tar.xz | |
Properly handle GR32_NOSP in X86RegisterInfo::getMatchingSuperRegClass.
This function looks like it is about ready to be generated by TebleGen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115876 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index 5d5dc6a9c7..c043554b32 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/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 || |