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| author | Roger Sayle <roger@nextmovesoftware.com> | 2020-07-23 18:48:54 +0100 |
|---|---|---|
| committer | Roger Sayle <roger@nextmovesoftware.com> | 2020-07-23 18:48:54 +0100 |
| commit | d4b3ea941b1a15cadb79e7ff8a36891131f8804b (patch) | |
| tree | 7e59367812ceecf84f0a9b48f9a80d818c076ff2 /gcc/simplify-rtx.c | |
| parent | 914966e499dfe0861127447bc72c9071e80a4a9b (diff) | |
| download | gcc-d4b3ea941b1a15cadb79e7ff8a36891131f8804b.zip gcc-d4b3ea941b1a15cadb79e7ff8a36891131f8804b.tar.gz gcc-d4b3ea941b1a15cadb79e7ff8a36891131f8804b.tar.bz2 | |
Resolve regression rtl-optimization/96298. Sorry for the breakage.
2020-07-23 Roger Sayle <roger@nextmovesoftware.com>
gcc/ChangeLog
PR rtl-optimization/96298
* simplify-rtx.c (simplify_binary_operation_1) [XOR]: Xor doesn't
distribute over xor, so (a^b)^(c^b) is not the same as (a^c)^b.
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index e631da4..d221168 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -3372,7 +3372,6 @@ simplify_binary_operation_1 (enum rtx_code code, machine_mode mode, /* Convert (xor (and A C) (and B C)) into (and (xor A B) C). */ if (GET_CODE (op0) == GET_CODE (op1) && (GET_CODE (op0) == AND - || GET_CODE (op0) == XOR || GET_CODE (op0) == LSHIFTRT || GET_CODE (op0) == ASHIFTRT || GET_CODE (op0) == ASHIFT |