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Re: [PATCH] PR tree-optimization/96779 Adding a missing pattern to match.pd
authorNavid Rahimi <navidrahimi@microsoft.com>
Tue, 23 Nov 2021 00:46:17 +0000 (19:46 -0500)
committerJeff Law <jeffreyalaw@gmail.com>
Tue, 23 Nov 2021 00:48:04 +0000 (19:48 -0500)
commite888bea2384a0d8d29a6545c4f57f41cb49df0a6
tree3fd897a928b34900e4dfbe6ecff6956659b620actree | snapshot
parent06be28f64a0b5bfc5ee23b9c6289cf6bb57a1d17commit | diff
Re: [PATCH] PR tree-optimization/96779 Adding a missing pattern to match.pd

PR tree-optimization/96779
gcc/
* match.pd (-x == x) -> (x == 0): New optimization.

gcc/testsuite
* gcc.dg/tree-ssa/pr96779.c: Testcase for this optimization.
* gcc.dg/tree-ssa/pr96779-disabled.c: Testcase for this optimization
when -fwrapv passed.
gcc/match.pd diff | blob | history
gcc/testsuite/gcc.dg/tree-ssa/pr96779-disabled.c [new file with mode: 0644] blob
gcc/testsuite/gcc.dg/tree-ssa/pr96779.c [new file with mode: 0644] blob
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