diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-10-05 20:26:33 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-10-05 20:26:33 +0000 |
| commit | 9bb272c900b46ebf78aa1b9daa7e3991bec8ff18 (patch) | |
| tree | 231f7061b610861b8eb0db2f6814e86f4a6a956e /lib/Target/X86/X86RegisterInfo.h | |
| parent | 11f1a8335e207971f66eb60609e16b8719be5450 (diff) | |
| download | external_llvm-9bb272c900b46ebf78aa1b9daa7e3991bec8ff18.zip external_llvm-9bb272c900b46ebf78aa1b9daa7e3991bec8ff18.tar.gz external_llvm-9bb272c900b46ebf78aa1b9daa7e3991bec8ff18.tar.bz2 | |
Override TRI::getSubClassWithSubReg for X86.
There are fewer registers with sub_8bit sub-registers in 32-bit mode
than in 64-bit mode. In 32-bit mode, sub_8bit behaves the same as
sub_8bit_hi.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141206 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86RegisterInfo.h')
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.h b/lib/Target/X86/X86RegisterInfo.h index f293814..7d39c68 100644 --- a/lib/Target/X86/X86RegisterInfo.h +++ b/lib/Target/X86/X86RegisterInfo.h @@ -74,6 +74,9 @@ public: getMatchingSuperRegClass(const TargetRegisterClass *A, const TargetRegisterClass *B, unsigned Idx) const; + virtual const TargetRegisterClass * + getSubClassWithSubReg(const TargetRegisterClass *RC, unsigned Idx) const; + const TargetRegisterClass* getLargestLegalSuperClass(const TargetRegisterClass *RC) const; |