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authorAldy Hernandez <aldyh@redhat.com>2018-07-07 08:49:04 +0000
committerAldy Hernandez <aldyh@gcc.gnu.org>2018-07-07 08:49:04 +0000
commit4a669ac35988fa6de5931455fb59c713563bc58b (patch)
tree9d2011edd9c0f88e911bf1ca42ef0a447245abf3 /gcc/tree-ssa-phiopt.c
parent962b3564e98b2634a2d001eceb946d8f15f9bfae (diff)
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tree-vrp.c (vrp_int_const_binop): Change overflow type to overflow_type.
* tree-vrp.c (vrp_int_const_binop): Change overflow type to overflow_type. (combine_bound): Use wide-int overflow calculation instead of rolling our own. * calls.c (maybe_warn_alloc_args_overflow): Change overflow type to overflow_type. * fold-const.c (int_const_binop_2): Same. (extract_muldiv_1): Same. (fold_div_compare): Same. (fold_abs_const): Same. * match.pd: Same. * poly-int.h (add): Same. (sub): Same. (neg): Same. (mul): Same. * predict.c (predict_iv_comparison): Same. * profile-count.c (slow_safe_scale_64bit): Same. * simplify-rtx.c (simplify_const_binary_operation): Same. * tree-chrec.c (tree_fold_binomial): Same. * tree-data-ref.c (split_constant_offset_1): Same. * tree-if-conv.c (idx_within_array_bound): Same. * tree-scalar-evolution.c (iv_can_overflow_p): Same. * tree-ssa-phiopt.c (minmax_replacement): Same. * tree-vect-loop.c (is_nonwrapping_integer_induction): Same. * tree-vect-stmts.c (vect_truncate_gather_scatter_offset): Same. * vr-values.c (vr_values::adjust_range_with_scev): Same. * wide-int.cc (wi::add_large): Same. (wi::mul_internal): Same. (wi::sub_large): Same. (wi::divmod_internal): Same. * wide-int.h: Change overflow type to overflow_type for neg, add, mul, smul, umul, div_trunc, div_floor, div_ceil, div_round, mod_trunc, mod_ceil, mod_round, add_large, sub_large, mul_internal, divmod_internal. (overflow_type): New enum. (accumulate_overflow): New. cp/ * decl.c (build_enumerator): Change overflow type to overflow_type. * init.c (build_new_1): Same. From-SVN: r262494
Diffstat (limited to 'gcc/tree-ssa-phiopt.c')
-rw-r--r--gcc/tree-ssa-phiopt.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/gcc/tree-ssa-phiopt.c b/gcc/tree-ssa-phiopt.c
index b2575f1..656f840 100644
--- a/gcc/tree-ssa-phiopt.c
+++ b/gcc/tree-ssa-phiopt.c
@@ -1230,7 +1230,7 @@ minmax_replacement (basic_block cond_bb, basic_block middle_bb,
{
if (cmp == LT_EXPR)
{
- bool overflow;
+ wi::overflow_type overflow;
wide_int alt = wi::sub (wi::to_wide (larger), 1,
TYPE_SIGN (TREE_TYPE (larger)),
&overflow);
@@ -1239,7 +1239,7 @@ minmax_replacement (basic_block cond_bb, basic_block middle_bb,
}
else
{
- bool overflow;
+ wi::overflow_type overflow;
wide_int alt = wi::add (wi::to_wide (larger), 1,
TYPE_SIGN (TREE_TYPE (larger)),
&overflow);
@@ -1256,9 +1256,9 @@ minmax_replacement (basic_block cond_bb, basic_block middle_bb,
Likewise larger >= CST is equivalent to larger > CST-1. */
if (TREE_CODE (smaller) == INTEGER_CST)
{
+ wi::overflow_type overflow;
if (cmp == GT_EXPR)
{
- bool overflow;
wide_int alt = wi::add (wi::to_wide (smaller), 1,
TYPE_SIGN (TREE_TYPE (smaller)),
&overflow);
@@ -1267,7 +1267,6 @@ minmax_replacement (basic_block cond_bb, basic_block middle_bb,
}
else
{
- bool overflow;
wide_int alt = wi::sub (wi::to_wide (smaller), 1,
TYPE_SIGN (TREE_TYPE (smaller)),
&overflow);