[Bug tree-optimization/56476] ARM volatile writes/str creates superfluous and uncalled for read/ldr with -Os
pinskia at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Feb 27 19:42:00 GMT 2013
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56476
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
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Keywords| |wrong-code
Component|target |tree-optimization
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-02-27 19:41:43 UTC ---
The tree pass CSElim is doing this for some reason. I think it forgot to check
for volatileness.
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