| commit | 239a4beafbd743137954b847d3fed3bda913f91d | |
| author | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Wed, 25 May 2016 15:53:21 +0000 (25 15:53 +0000) | ||
| committer | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Wed, 25 May 2016 15:53:21 +0000 (25 15:53 +0000) | ||
| tree | 131f0f77d0d7c2be0f18092dc8ec7993aaff6922 | treesnapshot (tar.gz zip) |
| parent | bf6382badd9778ccfc384143cb980a68947b9ae9 | commitdiff |
[RTL ifcvt] PR rtl-optimization/66940: Avoid signed overflow in noce_get_alt_condition
PR rtl-optimization/66940
* ifcvt.c (noce_get_alt_condition): Check that incrementing or
decrementing desired_val will not overflow before performing these
operations.
* gcc.c-torture/execute/pr66940.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@236728 138bc75d-0d04-0410-961f-82ee72b054a4
PR rtl-optimization/66940
* ifcvt.c (noce_get_alt_condition): Check that incrementing or
decrementing desired_val will not overflow before performing these
operations.
* gcc.c-torture/execute/pr66940.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@236728 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/ifcvt.c | diffblobblamehistory | |
| gcc/testsuite/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/gcc.c-torture/execute/pr66940.c | [new file with mode: 0644] | blob |