From f133b4855f2922b309e0d1d71c8fc930971b8086 Mon Sep 17 00:00:00 2001 From: rguenth Date: Wed, 4 Nov 2009 10:18:33 +0000 Subject: 2009-11-04 Richard Guenther PR tree-optimization/41919 * tree-vrp.c (test_for_singularity): Properly compare values. * gcc.c-torture/execute/pr41919.c: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@153891 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/tree-vrp.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'gcc/tree-vrp.c') diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index 0cb227abbd1..5adc0da84da 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -6748,13 +6748,9 @@ test_for_singularity (enum tree_code cond_code, tree op0, value range information we have for op0. */ if (min && max) { - if (compare_values (vr->min, min) == -1) - min = min; - else + if (compare_values (vr->min, min) == 1) min = vr->min; - if (compare_values (vr->max, max) == 1) - max = max; - else + if (compare_values (vr->max, max) == -1) max = vr->max; /* If the new min/max values have converged to a single value, -- cgit v1.2.1