Displaying 2 results from an estimated 2 matches for "op_index".
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2016 Nov 01
3
BoF: Debug info for optimized code.
On 11/1/2016 4:28 PM, Martin J. O'Riordan via llvm-dev wrote:
> I do not even pretend to know much about Dwarf and the representation of debug information, but it does appear that there is little or no support for the idea that a single "instruction" can correspond to multiple diverse lines in the source file.
There is. There is even a patch for LLVM:
2016 Nov 02
2
BoF: Debug info for optimized code.
...at least one step for getting it into LLVM has been
attempted (the patch was reverted shortly after commit).
-Krzysztof
On 11/2/2016 4:03 AM, Martin J. O'Riordan via llvm-dev wrote:
> Thanks Krzysztof, I hadn't noticed this.
>
> The patch refers to the target providing an 'op_index' register, but this seems like something that can only be handled by an integrated assembler. We use an external assembler and I am curious if there are new directives that we need to support for this? At the moment our assembler is unable to accept '.loc' directives between each oper...