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| author | Richard Biener <rguenther@suse.de> | 2021-02-25 09:36:33 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2021-02-25 10:28:49 +0100 |
| commit | 1193d05465acd39b6e3c7095274d8351a1e2cd44 (patch) | |
| tree | 0f422ff8bf1153956f0617bed7b072e384aa3dab /gcc/builtins.c | |
| parent | 880682e7b2348d66f4089fa4af102b69eaaefbc2 (diff) | |
| download | gcc-1193d05465acd39b6e3c7095274d8351a1e2cd44.zip gcc-1193d05465acd39b6e3c7095274d8351a1e2cd44.tar.gz gcc-1193d05465acd39b6e3c7095274d8351a1e2cd44.tar.bz2 | |
tree-optimization/99253 - fix reduction path check
This fixes an ordering problem with verifying that no intermediate
computations in a reduction path are used outside of the chain. The
check was disabled for value-preserving conversions at the tail
but whether a stmt was a conversion or not was only computed after
the first use. The following fixes this by re-ordering things
accordingly.
2021-02-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/99253
* tree-vect-loop.c (check_reduction_path): First compute
code, then verify out-of-loop uses.
* gcc.dg/vect/pr99253.c: New testcase.
Diffstat (limited to 'gcc/builtins.c')
0 files changed, 0 insertions, 0 deletions