https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63258
Bug ID: 63258 Summary: [5.0 regression] FAIL: gcc.dg/vect/costmodel/ppc/costmodel-slp-33.c scan-tree-dump-times vect "vectorization not profitable" 1 Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: sch...@linux-m68k.org CC: rguenther at suse dot de Target: powerpc*-*-* $ gcc/xgcc -Bgcc/ ../gcc/gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-slp-33.c -O2 -ftree-vectorize -fvect-cost-model=dynamic -fno-common -maltivec -fdump-tree-vect-details -lm -m64 -o ./costmodel-slp-33.exe $ grep -c "vectorization not profitable" costmodel-slp-33.c.116t.vect 0 192f7876fdb268b0b31a109123e0bb952a255a37 is the first bad commit commit 192f7876fdb268b0b31a109123e0bb952a255a37 Author: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> Date: Thu Aug 28 13:13:45 2014 +0000 2014-08-28 Richard Biener <rguent...@suse.de> PR tree-optimization/62283 * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Do not peel loops for alignment where the vector loop likely doesn't run at least VF times. * gfortran.dg/vect/pr62283.f: New testcase. * gcc.dg/tree-ssa/cunroll-5.c: Adjust. * gcc.dg/vect/costmodel/i386/costmodel-vect-31.c: Likewise. * gcc.dg/vect/costmodel/i386/costmodel-vect-33.c: Likewise. * gcc.dg/vect/costmodel/x86_64/costmodel-vect-31.c: Likewise. * gcc.dg/vect/costmodel/x86_64/costmodel-vect-33.c: Likewise. * gcc.dg/vect/vect-33.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@214678 138bc75d-0d04-0410-961f-82ee72b054a4