| commit | f359ebf1c4e74ebdb3be9ec639814b5a95a49525 | |
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 20 Apr 2018 10:31:23 +0000 (20 10:31 +0000) | ||
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 20 Apr 2018 10:31:23 +0000 (20 10:31 +0000) | ||
| tree | 0a6e7898b15bef90b476597b6234e27d96c2db2b | treesnapshot (tar.gz zip) |
| parent | f901a13d5e953ca20fa7c76bc0f0150138b5bca7 | commitdiff |
2018-04-20 Richard Biener <rguenther@suse.de>
PR middle-end/85475
* match.pd ((X * CST) * Y -> (X * Y) * CST): Avoid exponential
complexity by forcing a single use of the multiply operand.
* gcc.dg/torture/pr85475.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@259519 138bc75d-0d04-0410-961f-82ee72b054a4
PR middle-end/85475
* match.pd ((X * CST) * Y -> (X * Y) * CST): Avoid exponential
complexity by forcing a single use of the multiply operand.
* gcc.dg/torture/pr85475.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@259519 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/match.pd | diffblobblamehistory | |
| gcc/testsuite/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/gcc.dg/torture/pr85475.c | [new file with mode: 0644] | blob |