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re PR tree-optimization/83232 (fma3d spec2000 regression on zen with -Ofast (generic...
authorRichard Biener <rguenther@suse.de>
Fri, 1 Dec 2017 13:33:40 +0000 (13:33 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Fri, 1 Dec 2017 13:33:40 +0000 (13:33 +0000)
commitfb607032b8009d141409b8dc3c5e4df42c93a231
tree57a7118f898507f4361145e0aa9875bb0e7c7f81tree
parentd5f9df6a08d8f41fb7f77d588a63d6fecf2429d7commit | diff
re PR tree-optimization/83232 (fma3d spec2000 regression on zen with -Ofast (generic tuning) after r255268 by missed SLP oppurtunity)

2017-12-01  Richard Biener  <rguenther@suse.de>

PR tree-optimization/83232
* tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Fix
detection of same access. Instead of breaking the group here
do not consider the duplicate.  Add comment explaining real fix.

* gfortran.dg/vect/pr83232.f90: New testcase.

From-SVN: r255307
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gfortran.dg/vect/pr83232.f90 [new file with mode: 0644] blob
gcc/tree-vect-data-refs.c diff | blob | history