[Bug rtl-optimization/42429] Miscompilation of 2fish on s390

jakub at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Sun Dec 20 20:49:00 GMT 2009



------- Comment #5 from jakub at gcc dot gnu dot org  2009-12-20 20:49 -------
I believe the bug is in [7 %sfp+-140 S1 A8], IMHO it should have been S4,
because otherwise the MEM attrs say it is 1 byte at %sfp+-140, which
nonoverlapping_memrefs_p says can't overlap with [7 %sfp+-137 S1 A8].  Nothing
looks at MEM's MODE when a specific MEM_SIZE is given.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42429



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