https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90378
--- Comment #3 from Maxim Kuvyrkov <mkuvyrkov at gcc dot gnu.org> ---
The miscompilation went away for a while, but has reappeared just now after
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commit 2a07345c4f8dabc286fc470e76c53473e5bc3eb7
Author: Vladimir N. Makarov <vmaka...@redhat.com>
Date: Fri Jan 31 14:26:26 2020 -0500
Fix for PR 91333 - suboptimal register allocation for inline asm
2020-01-31 Vladimir Makarov <vmaka...@redhat.com>
PR rtl-optimization/91333
* ira-color.c (bucket_allocno_compare_func): Move conflict hard
reg preferences comparison up.
2020-01-31 Vladimir Makarov <vmaka...@redhat.com>
PR rtl-optimization/91333
* gcc.target/i386/pr91333.c: New.
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Miscompilation occurs in same configuration: arm-linux-gnueabihf at -O2 -flto.
I'll try to narrow this down to a single object.
