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| author | Roger Sayle <roger@eyesopen.com> | 2004-09-30 23:44:30 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2004-09-30 23:44:30 +0000 |
| commit | 7d103eb5d4826dd66a937ee67eabf24256ed54bb (patch) | |
| tree | 5a3e19d770bb299e11c0c94361b5ebecc2eb39aa /gcc/combine.c | |
| parent | dc4f06d9728b0df11ea4f4d8b3a6cb07466e5545 (diff) | |
| download | gcc-7d103eb5d4826dd66a937ee67eabf24256ed54bb.zip gcc-7d103eb5d4826dd66a937ee67eabf24256ed54bb.tar.gz gcc-7d103eb5d4826dd66a937ee67eabf24256ed54bb.tar.bz2 | |
combine.c (force_to_mode): Only convert the expression (AND (NE FOO 0) CONST) into (AND FOO CONST) if...
* combine.c (force_to_mode) <NE_EXPR>: Only convert the expression
(AND (NE FOO 0) CONST) into (AND FOO CONST) if FOO has the same
machine mode as the result.
From-SVN: r88369
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 2c7fbf5..559ee15 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -7338,6 +7338,7 @@ force_to_mode (rtx x, enum machine_mode mode, unsigned HOST_WIDE_INT mask, in STORE_FLAG_VALUE and FOO has a single bit that might be nonzero, which is equal to STORE_FLAG_VALUE. */ if ((mask & ~STORE_FLAG_VALUE) == 0 && XEXP (x, 1) == const0_rtx + && GET_MODE (XEXP (x, 0)) == mode && exact_log2 (nonzero_bits (XEXP (x, 0), mode)) >= 0 && (nonzero_bits (XEXP (x, 0), mode) == (unsigned HOST_WIDE_INT) STORE_FLAG_VALUE)) |