diff options
| author | Dan Gohman <sunfish@mozilla.com> | 2014-01-29 16:33:10 -0800 |
|---|---|---|
| committer | Dan Gohman <sunfish@mozilla.com> | 2014-01-31 12:45:16 -0800 |
| commit | b4814d1155650a681822bad96d4bd0d660e65fd6 (patch) | |
| tree | 059e91178c433be59c5c618cf8d5c3afbd86927b /lib/Target/JSBackend/JSBackend.cpp | |
| parent | b8c6d7658d89d53acaae44e8f4359578a7fa5dba (diff) | |
Implement FNeg operators.
Diffstat (limited to 'lib/Target/JSBackend/JSBackend.cpp')
| -rw-r--r-- | lib/Target/JSBackend/JSBackend.cpp | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/lib/Target/JSBackend/JSBackend.cpp b/lib/Target/JSBackend/JSBackend.cpp index fccdb52bf7..8231af4f25 100644 --- a/lib/Target/JSBackend/JSBackend.cpp +++ b/lib/Target/JSBackend/JSBackend.cpp @@ -876,7 +876,6 @@ bool JSWriter::generateSIMDInstruction(const std::string &iName, const Instructi switch (I->getOpcode()) { default: dumpIR(I); error("invalid vector instr"); break; case Instruction::FAdd: Code << "SIMD.float32x4.add(" + getValueAsStr(I->getOperand(0)) + "," + getValueAsStr(I->getOperand(1)) + ")"; break; - case Instruction::FSub: Code << "SIMD.float32x4.sub(" + getValueAsStr(I->getOperand(0)) + "," + getValueAsStr(I->getOperand(1)) + ")"; break; case Instruction::FMul: Code << "SIMD.float32x4.mul(" + getValueAsStr(I->getOperand(0)) + "," + getValueAsStr(I->getOperand(1)) + ")"; break; case Instruction::FDiv: Code << "SIMD.float32x4.div(" + getValueAsStr(I->getOperand(0)) + "," + getValueAsStr(I->getOperand(1)) + ")"; break; case Instruction::Add: Code << "SIMD.int32x4.add(" + getValueAsStr(I->getOperand(0)) + "," + getValueAsStr(I->getOperand(1)) + ")"; break; @@ -885,6 +884,14 @@ bool JSWriter::generateSIMDInstruction(const std::string &iName, const Instructi case Instruction::And: Code << "SIMD.int32x4.and(" + getValueAsStr(I->getOperand(0)) + "," + getValueAsStr(I->getOperand(1)) + ")"; break; case Instruction::Or: Code << "SIMD.int32x4.or(" + getValueAsStr(I->getOperand(0)) + "," + getValueAsStr(I->getOperand(1)) + ")"; break; case Instruction::Xor: Code << "SIMD.int32x4.xor(" + getValueAsStr(I->getOperand(0)) + "," + getValueAsStr(I->getOperand(1)) + ")"; break; + case Instruction::FSub: + // LLVM represents an fneg(x) as -0.0 - x. + if (BinaryOperator::isFNeg(I)) { + Code << "SIMD.float32x4.neg(" + getValueAsStr(BinaryOperator::getFNegArgument(I)) + ")"; + } else { + Code << "SIMD.float32x4.sub(" + getValueAsStr(I->getOperand(0)) + "," + getValueAsStr(I->getOperand(1)) + ")"; + } + break; case Instruction::BitCast: { if (cast<VectorType>(I->getType())->getElementType()->isIntegerTy()) { Code << "SIMD.float32x4.bitsToInt32x4(" + getValueAsStr(I->getOperand(0)) + ')'; @@ -1071,10 +1078,17 @@ void JSWriter::generateInstruction(const Instruction *I, raw_string_ostream& Cod break; } case Instruction::FAdd: Code << getValueAsStr(I->getOperand(0)) + " + " + getValueAsStr(I->getOperand(1)); break; // TODO: ensurefloat here - case Instruction::FSub: Code << getValueAsStr(I->getOperand(0)) + " - " + getValueAsStr(I->getOperand(1)); break; case Instruction::FMul: Code << getValueAsStr(I->getOperand(0)) + " * " + getValueAsStr(I->getOperand(1)); break; case Instruction::FDiv: Code << getValueAsStr(I->getOperand(0)) + " / " + getValueAsStr(I->getOperand(1)); break; case Instruction::FRem: Code << getValueAsStr(I->getOperand(0)) + " % " + getValueAsStr(I->getOperand(1)); break; + case Instruction::FSub: + // LLVM represents an fneg(x) as -0.0 - x. + if (BinaryOperator::isFNeg(I)) { + Code << "-" + getValueAsStr(BinaryOperator::getFNegArgument(I)); + } else { + Code << getValueAsStr(I->getOperand(0)) + " - " + getValueAsStr(I->getOperand(1)); + } + break; default: error("bad icmp"); break; } Code << ';'; |