diff options
| author | Owen Anderson <resistor@mac.com> | 2011-06-27 21:06:21 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2011-06-27 21:06:21 +0000 |
| commit | bea6f615eefae279e53bbb63a31d2c3c67274c45 (patch) | |
| tree | 4c5b33c01d807a99de8411304c63cfdb5583b259 /utils/TableGen/FixedLenDecoderEmitter.cpp | |
| parent | d1f0bbee189ea7cd18d03c4f9f55d0a33b070814 (diff) | |
Add support for alternative register names, useful for instructions whose operands are logically equivalent to existing registers, but happen to be printed specially. For example, an instruciton that prints d0[0] instead of s0.
Patch by Jim Grosbach.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133940 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/FixedLenDecoderEmitter.cpp')
| -rw-r--r-- | utils/TableGen/FixedLenDecoderEmitter.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/utils/TableGen/FixedLenDecoderEmitter.cpp b/utils/TableGen/FixedLenDecoderEmitter.cpp index 9312fe8d02..ba6cd863c8 100644 --- a/utils/TableGen/FixedLenDecoderEmitter.cpp +++ b/utils/TableGen/FixedLenDecoderEmitter.cpp @@ -1305,8 +1305,10 @@ bool FixedLenDecoderEmitter::populateInstruction(const CodeGenInstruction &CGI, RecordRecTy *Type = dynamic_cast<RecordRecTy*>(TI->getType()); Record *TypeRecord = Type->getRecord(); bool isReg = false; + if (TypeRecord->isSubClassOf("RegisterOperand")) + TypeRecord = TypeRecord->getValueAsDef("RegClass"); if (TypeRecord->isSubClassOf("RegisterClass")) { - Decoder = "Decode" + Type->getRecord()->getName() + "RegisterClass"; + Decoder = "Decode" + TypeRecord->getName() + "RegisterClass"; isReg = true; } |