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re PR target/45336 (pextr{b,w,d}, (worse than) redundant extensions)
authorJakub Jelinek <jakub@redhat.com>
Thu, 19 Aug 2010 17:43:50 +0000 (19:43 +0200)
committerJakub Jelinek <jakub@gcc.gnu.org>
Thu, 19 Aug 2010 17:43:50 +0000 (19:43 +0200)
commita5d8253f7aba67d7a3e05c5e0e361c9057bc5d54
treeefa8e5321c21db9e8b1edf44dcacc6bed954fab5tree | snapshot
parent0524d2d6623eb2ab287f464e05c206ceeb3839bfcommit | diff
re PR target/45336 (pextr{b,w,d}, (worse than) redundant extensions)

PR target/45336
* simplify-rtx.c (simplify_unary_operation_1): Optimize nested
SIGN_EXTENDs or ZERO_EXTENDs.

From-SVN: r163384
gcc/ChangeLog diff | blob | history
gcc/simplify-rtx.c diff | blob | history
Domain: System / Toolchain;