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(parent: 28a8a76) | patch
re PR target/85323 (SSE/AVX/AVX512 shift by 0 not optimized away)
authorJakub Jelinek <jakub@redhat.com>
Thu, 17 May 2018 10:01:33 +0000 (12:01 +0200)
committerJakub Jelinek <jakub@gcc.gnu.org>
Thu, 17 May 2018 10:01:33 +0000 (12:01 +0200)
commit6a03477e85e1b097ed6c0b86c76436de575aef04
treea877d05d5099bd2b766634559554ef01e36973e1tree | snapshot
parent28a8a768ebef5e31f950013f1b48b14c008b4b3bcommit | diff
re PR target/85323 (SSE/AVX/AVX512 shift by 0 not optimized away)

PR target/85323
* config/i386/i386.c (ix86_fold_builtin): Fold shift builtins by
vector.
(ix86_gimple_fold_builtin): Likewise.

* gcc.target/i386/pr85323-4.c: New test.
* gcc.target/i386/pr85323-5.c: New test.
* gcc.target/i386/pr85323-6.c: New test.

From-SVN: r260312
gcc/ChangeLog diff | blob | history
gcc/config/i386/i386.c diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.target/i386/pr85323-4.c [new file with mode: 0644] blob
gcc/testsuite/gcc.target/i386/pr85323-5.c [new file with mode: 0644] blob
gcc/testsuite/gcc.target/i386/pr85323-6.c [new file with mode: 0644] blob
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