2011-08-31 Richard Guenther <rguenther@suse.de>

	* fold-const.c (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE
	special-casing.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@178377 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ef0d194..084ddd2 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-08-31  Richard Guenther  <rguenther@suse.de>
+
+       * fold-const.c (extract_muldiv_1): Remove bogus TYPE_IS_SIZETYPE
+       special-casing.
+
 2011-08-31  Marc Glisse  <marc.glisse@inria.fr>
 
        * doc/generic.texi (Types for C++): CP_TYPE_QUALS -> cp_type_quals.

diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 5807a55..0f4ca5e 100644 (file)
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -5888,11 +5888,9 @@ extract_muldiv_1 (tree t, tree c, enum tree_code code, tree wide_type,
         multiple of the other, in which case we replace this with either an
         operation or CODE or TCODE.
 
-        If we have an unsigned type that is not a sizetype, we cannot do
-        this since it will change the result if the original computation
-        overflowed.  */
-      if ((TYPE_OVERFLOW_UNDEFINED (ctype)
-          || (TREE_CODE (ctype) == INTEGER_TYPE && TYPE_IS_SIZETYPE (ctype)))
+        If we have an unsigned type, we cannot do this since it will change
+        the result if the original computation overflowed.  */
+      if (TYPE_OVERFLOW_UNDEFINED (ctype)
          && ((code == MULT_EXPR && tcode == EXACT_DIV_EXPR)
              || (tcode == MULT_EXPR
                  && code != TRUNC_MOD_EXPR && code != CEIL_MOD_EXPR