[Bug rtl-optimization/70602] [6 Regression] wrong code at -O1 and above on x86_64-linux-gnu in 32-bit mode (and at -Os only in 64-bit mode)

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Apr 8 17:49:00 GMT 2016


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70602

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alan.lawrence at arm dot com,
                   |                            |jakub at gcc dot gnu.org,
                   |                            |jamborm at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The bug is in addition of
+  MEM[(struct S0[21] *)&*.LC0].f1 = SR.7_2;
for constant_decl_p (root->base) we really can't ever store anything there, we
can just read it.


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