[Bug target/82248] probe_stack can generate unpredictable STR on arm
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Nov 23 08:18:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82248
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |rguenth at gcc dot gnu.org
See Also| |https://bugzilla.suse.com/s
| |how_bug.cgi?id=1068967
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Miscompiles mpfr for us on armv7. Isn't it easy enough to handle this in
the insn pattern by using some non pre/post-indexed memory_operand predicate
and or using an early clobbered match_scratch to allocate 'r0'?
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