Changes in directory llvm/lib/Target/CBackend:
Writer.cpp updated: 1.276 -> 1.277 --- Log message: For PR950: http://llvm.org/PR950 : Replace the REM instruction with UREM, SREM and FREM. --- Diffs of the changes: (+28 -10) Writer.cpp | 38 ++++++++++++++++++++++++++++---------- 1 files changed, 28 insertions(+), 10 deletions(-) Index: llvm/lib/Target/CBackend/Writer.cpp diff -u llvm/lib/Target/CBackend/Writer.cpp:1.276 llvm/lib/Target/CBackend/Writer.cpp:1.277 --- llvm/lib/Target/CBackend/Writer.cpp:1.276 Thu Oct 26 01:17:40 2006 +++ llvm/lib/Target/CBackend/Writer.cpp Wed Nov 1 19:53:58 2006 @@ -593,7 +593,9 @@ case Instruction::SDiv: case Instruction::UDiv: case Instruction::FDiv: - case Instruction::Rem: + case Instruction::URem: + case Instruction::SRem: + case Instruction::FRem: case Instruction::And: case Instruction::Or: case Instruction::Xor: @@ -613,10 +615,12 @@ case Instruction::Add: Out << " + "; break; case Instruction::Sub: Out << " - "; break; case Instruction::Mul: Out << " * "; break; + case Instruction::URem: + case Instruction::SRem: + case Instruction::FRem: Out << " % "; break; case Instruction::UDiv: case Instruction::SDiv: case Instruction::FDiv: Out << " / "; break; - case Instruction::Rem: Out << " % "; break; case Instruction::And: Out << " & "; break; case Instruction::Or: Out << " | "; break; case Instruction::Xor: Out << " ^ "; break; @@ -825,8 +829,12 @@ bool Result = false; const Type* Ty = CE->getOperand(0)->getType(); switch (CE->getOpcode()) { - case Instruction::UDiv: Result = Ty->isSigned(); break; - case Instruction::SDiv: Result = Ty->isUnsigned(); break; + case Instruction::UDiv: + case Instruction::URem: + Result = Ty->isSigned(); break; + case Instruction::SDiv: + case Instruction::SRem: + Result = Ty->isUnsigned(); break; default: break; } if (Result) { @@ -856,13 +864,16 @@ // for most instructions, it doesn't matter break; case Instruction::UDiv: - // For UDiv to have unsigned operands + case Instruction::URem: + // For UDiv/URem get correct type if (OpTy->isSigned()) { OpTy = OpTy->getUnsignedVersion(); shouldCast = true; } break; case Instruction::SDiv: + case Instruction::SRem: + // For SDiv/SRem get correct type if (OpTy->isUnsigned()) { OpTy = OpTy->getSignedVersion(); shouldCast = true; @@ -919,8 +930,12 @@ bool Result = false; const Type* Ty = I.getOperand(0)->getType(); switch (I.getOpcode()) { - case Instruction::UDiv: Result = Ty->isSigned(); break; - case Instruction::SDiv: Result = Ty->isUnsigned(); break; + case Instruction::UDiv: + case Instruction::URem: + Result = Ty->isSigned(); break; + case Instruction::SDiv: + case Instruction::SRem: + Result = Ty->isUnsigned(); break; default: break; } if (Result) { @@ -950,6 +965,7 @@ // for most instructions, it doesn't matter break; case Instruction::UDiv: + case Instruction::URem: // For UDiv to have unsigned operands if (OpTy->isSigned()) { OpTy = OpTy->getUnsignedVersion(); @@ -957,6 +973,7 @@ } break; case Instruction::SDiv: + case Instruction::SRem: if (OpTy->isUnsigned()) { OpTy = OpTy->getSignedVersion(); shouldCast = true; @@ -1774,8 +1791,7 @@ Out << "-("; writeOperand(BinaryOperator::getNegArgument(cast<BinaryOperator>(&I))); Out << ")"; - } else if (I.getOpcode() == Instruction::Rem && - I.getType()->isFloatingPoint()) { + } else if (I.getOpcode() == Instruction::FRem) { // Output a call to fmod/fmodf instead of emitting a%b if (I.getType() == Type::FloatTy) Out << "fmodf("; @@ -1800,10 +1816,12 @@ case Instruction::Add: Out << " + "; break; case Instruction::Sub: Out << " - "; break; case Instruction::Mul: Out << '*'; break; + case Instruction::URem: + case Instruction::SRem: + case Instruction::FRem: Out << '%'; break; case Instruction::UDiv: case Instruction::SDiv: case Instruction::FDiv: Out << '/'; break; - case Instruction::Rem: Out << '%'; break; case Instruction::And: Out << " & "; break; case Instruction::Or: Out << " | "; break; case Instruction::Xor: Out << " ^ "; break; _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
