diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/simplify-rtx.c | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2869df4..ef86e13 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-12-26 Richard Henderson <rth@redhat.com> + + * simplify-rtx.c (simplify_relational_operation_1): Don't simplify + plus/minus across EQ for floating-point. + 2004-12-26 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> PR target/17643 diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 8d7cb3f..34b0ab8 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); |