[Bug tree-optimization/48616] -ftree-vectorize -mxop miscompiles right shift
jakub at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Apr 18 07:44:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48616
--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-04-18 07:38:17 UTC ---
Author: jakub
Date: Mon Apr 18 07:38:11 2011
New Revision: 172640
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172640
Log:
PR tree-optimization/48616
* tree-vect-stmts.c (vectorizable_shift): If SLP, determine
whether the shift is by scalar or vector based on whether all SLP
scalar stmts have the same rhs.
* gcc.dg/pr48616.c: New test.
Added:
branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/pr48616.c
Modified:
branches/gcc-4_6-branch/gcc/ChangeLog
branches/gcc-4_6-branch/gcc/testsuite/ChangeLog
branches/gcc-4_6-branch/gcc/tree-vect-stmts.c
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