https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36010
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |rguenth at gcc dot gnu.org
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Hmm, the condition seems to be superfluous - we don't (in this case?) associate
when moving the load/store back into the loop or when we perform the
interchange?
In fact the comment before the block suggests that.
But yes, with -O2 -floop-interchange -ffast-math we now interchange the
original testcase (and the case from bwaves). This was fixed with
r8-5164-gfbdec14e80e939 which also introduced this check for associativity.
