search for: tp70286p70476

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2014 Jul 09
3
[LLVMdev] Signed/Unsigned Instruction selection.
The sign information for binary operators is available in the llvm IR by the 'nsw' (no signed wrap) flag. Seems there is no use of this flag in the code generation phase. The sign information is no more available in the selection DAG. So how can I generate different instructions for binary operators with signed/unsigned operands in the assembler (e.g. mul/mulu)? -- View this message in