diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 9b143dcff73..a57bb567b8c 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -3857,8 +3857,8 @@ SDValue ARMTargetLowering::getARMCmp(SDValue LHS, SDValue RHS, ISD::CondCode CC, const SDLoc &dl) const { if (ConstantSDNode *RHSC = dyn_cast<ConstantSDNode>(RHS.getNode())) { unsigned C = RHSC->getZExtValue(); - if (!isLegalICmpImmediate(C)) { - // Constant does not fit, try adjusting it by one? + if (!isLegalICmpImmediate((int32_t)C)) { + // Constant does not fit, try adjusting it by one. switch (CC) { default: break; case ISD::SETLT: @@ -13208,9 +13208,11 @@ bool ARMTargetLowering::isLegalAddressingMode(const DataLayout &DL, bool ARMTargetLowering::isLegalICmpImmediate(int64_t Imm) const { // Thumb2 and ARM modes can use cmn for negative immediates. if (!Subtarget->isThumb()) - return ARM_AM::getSOImmVal(std::abs(Imm)) != -1; + return ARM_AM::getSOImmVal((uint32_t)Imm) != -1 || + ARM_AM::getSOImmVal(-(uint32_t)Imm) != -1; if (Subtarget->isThumb2()) - return ARM_AM::getT2SOImmVal(std::abs(Imm)) != -1; + return ARM_AM::getT2SOImmVal((uint32_t)Imm) != -1 || + ARM_AM::getT2SOImmVal(-(uint32_t)Imm) != -1; // Thumb1 doesn't have cmn, and only 8-bit immediates. return Imm >= 0 && Imm <= 255; } |
