diff options
| author | Eric Christopher <echristo@apple.com> | 2012-05-07 05:46:48 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2012-05-07 05:46:48 +0000 |
| commit | 1ce2034e43b94abb9930fd86430c46c0bf309ed7 (patch) | |
| tree | c9fce329e39557e2aa00395978bc4ee97efaeae1 /lib | |
| parent | 60cfc7908ef6acdfab0ea4af5b2c50087a8f36d8 (diff) | |
Add support for the 'O' constraint.
Patch by Jack Carter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156285 91177308-0d34-0410-b5e6-96231b3b80d8
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 ded6aa0608..97a0ef6736 100644 --- a/lib/Target/Mips/MipsISelLowering.cpp +++ b/lib/Target/Mips/MipsISelLowering.cpp @@ -3044,6 +3044,7 @@ MipsTargetLowering::getSingleConstraintMatchWeight( case 'K': // unsigned 16 bit immediate case 'L': // signed 32 bit immediate where lower 16 bits are 0 case 'N': // immediate in the range of -65535 to -1 (inclusive) + case 'O': // signed 15 bit immediate (+- 16383) if (isa<ConstantInt>(CallOperandVal)) weight = CW_Constant; break; @@ -3146,6 +3147,16 @@ void MipsTargetLowering::LowerAsmOperandForConstraint(SDValue Op, } } return; + case 'O': // signed 15 bit immediate + if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op)) { + EVT Type = Op.getValueType(); + int64_t Val = C->getSExtValue(); + if ((isInt<15>(Val))) { + Result = DAG.getTargetConstant(Val, Type); + break; + } + } + return; } if (Result.getNode()) { |