diff options
Diffstat (limited to 'source/slang/slang-emit-c-like.cpp')
| -rw-r--r-- | source/slang/slang-emit-c-like.cpp | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/source/slang/slang-emit-c-like.cpp b/source/slang/slang-emit-c-like.cpp index 582f5e445..733811183 100644 --- a/source/slang/slang-emit-c-like.cpp +++ b/source/slang/slang-emit-c-like.cpp @@ -2341,16 +2341,20 @@ void CLikeSourceEmitter::defaultEmitInstExpr(IRInst* inst, const EmitOpInfo& inO case kIROp_BitCast: { - // TODO: we can simplify the logic for arbitrary bitcasts - // by always bitcasting the source to a `uint*` type (if it - // isn't already) and then bitcasting that to the destination - // type (if it isn't already `uint*`. + // Note: we are currently emitting casts as plain old + // C-style casts, which may not always perform a bitcast. // - // For now we are assuming the source type is *already* - // a `uint*` type of the appropriate size. - // - // auto fromType = extractBaseType(inst->getOperand(0)->getDataType()); + // TODO: This operation should map to an intrinsic to be + // provided in a prelude for C/C++, so that the target + // can easily emit code for whatever the best possible + // bitcast is on the platform. + auto prec = getInfo(EmitOp::Prefix); + needClose = maybeEmitParens(outerPrec, prec); + + m_writer->emit("("); + emitType(inst->getDataType()); + m_writer->emit(")"); m_writer->emit("("); emitOperand(inst->getOperand(0), getInfo(EmitOp::General)); m_writer->emit(")"); |