diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCISelLowering.cpp')
-rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index 193ee3097c4..f53557319ef 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -8292,6 +8292,8 @@ PPCTargetLowering::getConstraintType(const std::string &Constraint) const { // suboptimal. return C_Memory; } + } else if (Constraint == "wc") { // individual CR bits. + return C_RegisterClass; } return TargetLowering::getConstraintType(Constraint); } @@ -8309,7 +8311,11 @@ PPCTargetLowering::getSingleConstraintMatchWeight( if (CallOperandVal == NULL) return CW_Default; Type *type = CallOperandVal->getType(); + // Look at the constraint type. + if (StringRef(constraint) == "wc" && type->isIntegerTy(1)) + return CW_Register; // an individual CR bit. + switch (*constraint) { default: weight = TargetLowering::getSingleConstraintMatchWeight(info, constraint); @@ -8365,6 +8371,8 @@ PPCTargetLowering::getRegForInlineAsmConstraint(const std::string &Constraint, case 'y': // crrc return std::make_pair(0U, &PPC::CRRCRegClass); } + } else if (Constraint == "wc") { // an individual CR bit. + return std::make_pair(0U, &PPC::CRBITRCRegClass); } std::pair<unsigned, const TargetRegisterClass*> R = |