> The actual problem (or maybe my misunderstanding) is that it
> combines the two original insns, then does some substitutions and tries
> to match the combined and transformed insn against those defined in the
> machine description. If it can't find anything there it reverts
> everything and proc
Hi all,
I'm currently trying to find the best way to solve PR 49263 and I've ran
into some questions regarding the combine pass.
Summary of the story:
The SH machine description has a pattern that is supposed to generate
the "tst #imm, r0" instruction as a combination of an and and a
comparison,