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| author | Andrew MacLeod <amacleod@redhat.com> | 2023-01-16 15:02:51 -0500 |
|---|---|---|
| committer | Andrew MacLeod <amacleod@redhat.com> | 2023-01-27 09:32:42 -0500 |
| commit | f884c133dde519b4d8fc89f2f151711d1b0eb368 (patch) | |
| tree | 632798a395c88d7716eb1014daf93ae61afce005 /gcc/tree-vectorizer.h | |
| parent | ec5e99e95954fd629283a9c9572193dd95471fea (diff) | |
| download | gcc-f884c133dde519b4d8fc89f2f151711d1b0eb368.zip gcc-f884c133dde519b4d8fc89f2f151711d1b0eb368.tar.gz gcc-f884c133dde519b4d8fc89f2f151711d1b0eb368.tar.bz2 | |
Correctly detect shifts out of range
get_shift_range was incorrectly communicating that it couldn't calculate
a range when the shift values was always out fo range. Fix this and
alwasy return [0, 0] when the shift value is always out of range.
PR tree-optimization/108306
gcc/
* range-op.cc (operator_lshift::fold_range): Return [0, 0] not
varying for shifts that are always out of void range.
(operator_rshift::fold_range): Return [0, 0] not
varying for shifts that are always out of void range.
gcc/testsuite/
* gcc.dg/pr108306.c: New.
Diffstat (limited to 'gcc/tree-vectorizer.h')
0 files changed, 0 insertions, 0 deletions