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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-27 03:31:49 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-27 03:31:49 +0000 |
| commit | d55451893e475b21bf44de765ecba38736c8c33b (patch) | |
| tree | b5d173602e1a933bd93e68b8dd08cf5c3d5c9ec9 /gcc/simplify-rtx.c | |
| parent | e11e9ae3f6b8a724a71613817a2b075347e2da39 (diff) | |
| download | gcc-d55451893e475b21bf44de765ecba38736c8c33b.tar.gz | |
* simplify-rtx.c (simplify_relational_operation_1): Don't simplify
plus/minus across EQ for floating-point.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92631 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 8d7cb3ff247..34b0ab8fe20 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -2807,7 +2807,8 @@ simplify_relational_operation_1 (enum rtx_code code, enum machine_mode mode, if ((code == EQ || code == NE) && (op0code == PLUS || op0code == MINUS) && CONSTANT_P (op1) - && CONSTANT_P (XEXP (op0, 1))) + && CONSTANT_P (XEXP (op0, 1)) + && (INTEGRAL_MODE_P (cmp_mode) || flag_unsafe_math_optimizations)) { rtx x = XEXP (op0, 0); rtx c = XEXP (op0, 1); |