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| author | Richard Sandiford <richard.sandiford@linaro.org> | 2018-05-02 07:40:22 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2018-05-02 07:40:22 +0000 |
| commit | 9e4da9b5d5d3d8e14ab1748fafb08c6b9bfcf629 (patch) | |
| tree | cc2d2a65d221c55d054add0a6d8e0909b1c800d6 /gcc/config.gcc | |
| parent | c2e1580cbe2023f9a7ff832d52587825c85c2f6d (diff) | |
| download | gcc-9e4da9b5d5d3d8e14ab1748fafb08c6b9bfcf629.zip gcc-9e4da9b5d5d3d8e14ab1748fafb08c6b9bfcf629.tar.gz gcc-9e4da9b5d5d3d8e14ab1748fafb08c6b9bfcf629.tar.bz2 | |
Tighten early exit in vect_analyze_data_ref_dependence (PR85586)
The problem in this PR was that we didn't consider aliases between
writes in the same strided group. After tightening the early exit
we get the expected abs(step) >= 2 versioning check.
2018-05-02 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
PR tree-optimization/85586
* tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Only
exit early for statements in the same group if the accesses are
not strided.
gcc/testsuite/
PR tree-optimization/85586
* gcc.dg/vect/pr85586.c: New test.
From-SVN: r259822
Diffstat (limited to 'gcc/config.gcc')
0 files changed, 0 insertions, 0 deletions