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| author | Roger Sayle <roger@eyesopen.com> | 2007-02-19 00:54:29 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2007-02-19 00:54:29 +0000 |
| commit | 49e7a9d4b821c982a55f9783b7c15cb4bedc5548 (patch) | |
| tree | 0df33a267eac0cd5b69159ce8812e9f705957b24 /libjava/classpath/lib/java | |
| parent | 1b16dad6f4447d60879db3809d934836260cedf8 (diff) | |
| download | gcc-49e7a9d4b821c982a55f9783b7c15cb4bedc5548.zip gcc-49e7a9d4b821c982a55f9783b7c15cb4bedc5548.tar.gz gcc-49e7a9d4b821c982a55f9783b7c15cb4bedc5548.tar.bz2 | |
re PR rtl-optimization/28173 (misses constant folding)
PR rtl-optimization/28173
* simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
(X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
<AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
* gcc.target/i386/andor-1.c: New test case.
From-SVN: r122116
Diffstat (limited to 'libjava/classpath/lib/java')
0 files changed, 0 insertions, 0 deletions