[Bug target/94538] [10 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2223 (insn does not satisfy its constraints) with -mcpu=cortex-m23 -mslow-flash-data

clyon at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Apr 14 12:16:37 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94538

--- Comment #8 from Christophe Lyon <clyon at gcc dot gnu.org> ---

> Adding Christophe. I'm thinking the best approach right now is to revert
> given -mpure-code doesn't work at all on Thumb-1 targets - it still emits
> literal pools, switch tables etc. That's not pure code!

Do you have testcases that show these failures?

I did check some of the problematic testcases in the GCC testsuite when I
committed that patch. Did I miss some of them?

Can you point me to offending testcases and compiler options so that I can
reproduce them?


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