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| author | Eric Christopher <echristo@apple.com> | 2012-05-07 05:46:29 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2012-05-07 05:46:29 +0000 |
| commit | f49f846eec471ca64a72c151dbaa62a9306d4e37 (patch) | |
| tree | fa3170b709862895d305dd654ea2fd66d401be03 /lib/Target/Mips/MipsISelLowering.cpp | |
| parent | 5f9cccc509fc0a51ace855af19e8405cee900efd (diff) | |
Add support for the inline asm constraint 'K'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156282 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsISelLowering.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsISelLowering.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp index 97332cf00d..d056f542e7 100644 --- a/lib/Target/Mips/MipsISelLowering.cpp +++ b/lib/Target/Mips/MipsISelLowering.cpp @@ -3041,6 +3041,7 @@ MipsTargetLowering::getSingleConstraintMatchWeight( break; case 'I': // signed 16 bit immediate case 'J': // integer zero + case 'K': // unsigned 16 bit immediate if (isa<ConstantInt>(CallOperandVal)) weight = CW_Constant; break; @@ -3113,6 +3114,16 @@ void MipsTargetLowering::LowerAsmOperandForConstraint(SDValue Op, } } return; + case 'K': // unsigned 16 bit immediate + if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) { + EVT Type = Op.getValueType(); + uint64_t Val = (uint64_t)C->getZExtValue(); + if (isUInt<16>(Val)) { + Result = DAG.getTargetConstant(Val, Type); + break; + } + } + return; } if (Result.getNode()) { |