diff options
Diffstat (limited to 'lib')
| -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 d056f542e7..3f445a0cc8 100644 --- a/lib/Target/Mips/MipsISelLowering.cpp +++ b/lib/Target/Mips/MipsISelLowering.cpp @@ -3042,6 +3042,7 @@ MipsTargetLowering::getSingleConstraintMatchWeight( case 'I': // signed 16 bit immediate case 'J': // integer zero case 'K': // unsigned 16 bit immediate + case 'L': // signed 32 bit immediate where lower 16 bits are 0 if (isa<ConstantInt>(CallOperandVal)) weight = CW_Constant; break; @@ -3124,6 +3125,16 @@ void MipsTargetLowering::LowerAsmOperandForConstraint(SDValue Op, } } return; + case 'L': // signed 32 bit immediate where lower 16 bits are 0 + if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) { + EVT Type = Op.getValueType(); + int64_t Val = C->getSExtValue(); + if ((isInt<32>(Val)) && ((Val & 0xffff) == 0)){ + Result = DAG.getTargetConstant(Val, Type); + break; + } + } + return; } if (Result.getNode()) { |