re PR tree-optimization/29439 (ICE in fold-const.c:1385 with -O1 -fwrapv -ftree-vrp)

2006-11-13  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/29439
        * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
        checking for overflow.

From-SVN: r118763
This commit is contained in:
Andrew Pinski
2006-11-13 14:46:05 +00:00
committed by Andrew Pinski
parent 4063073db5
commit a5c132bf91
2 changed files with 7 additions and 1 deletions

View File

@@ -1,3 +1,9 @@
2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/29439
* tree-vrp.c (vrp_int_const_binop): Use the correct tree when
checking for overflow.
2006-11-13 Richard Guenther <rguenther@suse.de>
Backport from mainline:

View File

@@ -1177,7 +1177,7 @@ vrp_int_const_binop (enum tree_code code, tree val1, tree val2)
else if (code == MULT_EXPR && !integer_zerop (val1))
{
tree tmp = int_const_binop (TRUNC_DIV_EXPR,
TYPE_MAX_VALUE (TREE_TYPE (val1)),
res,
val1, 0);
int check = compare_values (tmp, val2);