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re PR tree-optimization/89536 (wrong code at -Os and above on x86_64-linux-gnu)
authorEric Botcazou <ebotcazou@adacore.com>
Thu, 28 Feb 2019 23:03:01 +0000 (23:03 +0000)
committerEric Botcazou <ebotcazou@gcc.gnu.org>
Thu, 28 Feb 2019 23:03:01 +0000 (23:03 +0000)
commit85222504cc447607d81183e77a6c450351c20ff7
treea47b6dff799264fcfcaf4a9c9332dee53fd5023ctree
parentcc284d9cf738f0efd4dedd42476da8372d6a38d6commit | diff
re PR tree-optimization/89536 (wrong code at -Os and above on x86_64-linux-gnu)

PR tree-optimization/89536
* tree-ssa-dom.c (edge_info::derive_equivalences) <BIT_NOT_EXPR>: Test
only whether bit #0 of the value is 0 instead of the entire value.

From-SVN: r269289
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.c-torture/execute/20190228-1.c [new file with mode: 0644] blob
gcc/tree-ssa-dom.c diff | blob | history