From d55451893e475b21bf44de765ecba38736c8c33b Mon Sep 17 00:00:00 2001 From: rth Date: Mon, 27 Dec 2004 03:31:49 +0000 Subject: [PATCH] * 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 --- gcc/ChangeLog | 5 +++++ gcc/simplify-rtx.c | 3 ++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2869df4370b..ef86e1338bf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-12-26 Richard Henderson + + * simplify-rtx.c (simplify_relational_operation_1): Don't simplify + plus/minus across EQ for floating-point. + 2004-12-26 John David Anglin PR target/17643 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); -- 2.11.0