[Bug tree-optimization/59643] Predictive commoning unnecessarily punts on scimark2 SOR
jakub at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Jan 7 07:49:00 GMT 2014
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59643
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Jan 7 07:49:10 2014
New Revision: 206384
URL: http://gcc.gnu.org/viewcvs?rev=206384&root=gcc&view=rev
Log:
PR tree-optimization/59643
* tree-predcom.c (split_data_refs_to_components): If one dr is
read and one write, determine_offset fails and the write isn't
in the bad component, just put the read into the bad component.
* gcc.dg/pr59643.c: New test.
* gcc.c-torture/execute/pr59643.c: New test.
Added:
trunk/gcc/testsuite/gcc.c-torture/execute/pr59643.c
trunk/gcc/testsuite/gcc.dg/pr59643.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-predcom.c
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