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| author | Yiran Wang <yiran@google.com> | 2015-06-23 15:33:17 -0700 |
|---|---|---|
| committer | Yiran Wang <yiran@google.com> | 2015-06-29 10:56:28 -0700 |
| commit | 1d9fec7937f45dde5e04cac966a2d9a12f2fc15a (patch) | |
| tree | 3fbcd18a379a05fd6d43491a107e1f36bc61b185 /gcc-4.9/gcc/tree-vrp.c | |
| parent | f378ebf14df0952eae870c9865bab8326aa8f137 (diff) | |
| download | toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.gz toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.bz2 toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.zip | |
Synchronize with google/gcc-4_9 to r224707 (from r214835)
Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d
Diffstat (limited to 'gcc-4.9/gcc/tree-vrp.c')
| -rw-r--r-- | gcc-4.9/gcc/tree-vrp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc-4.9/gcc/tree-vrp.c b/gcc-4.9/gcc/tree-vrp.c index b31194410..fb3e05d85 100644 --- a/gcc-4.9/gcc/tree-vrp.c +++ b/gcc-4.9/gcc/tree-vrp.c @@ -7172,7 +7172,7 @@ vrp_evaluate_conditional (enum tree_code code, tree op0, tree op1, gimple stmt) tree type = TREE_TYPE (op0); value_range_t *vr0 = get_value_range (op0); - if (vr0->type != VR_VARYING + if (vr0->type == VR_RANGE && INTEGRAL_TYPE_P (type) && vrp_val_is_min (vr0->min) && vrp_val_is_max (vr0->max) @@ -9377,8 +9377,10 @@ simplify_internal_call_using_ranges (gimple_stmt_iterator *gsi, gimple stmt) } else { - tree r1 = int_const_binop (subcode, vr0.min, vr1.min); - tree r2 = int_const_binop (subcode, vr0.max, vr1.max); + tree r1 = int_const_binop (subcode, vr0.min, + subcode == MINUS_EXPR ? vr1.max : vr1.min); + tree r2 = int_const_binop (subcode, vr0.max, + subcode == MINUS_EXPR ? vr1.min : vr1.max); if (r1 == NULL_TREE || TREE_OVERFLOW (r1) || r2 == NULL_TREE || TREE_OVERFLOW (r2)) return false; |