2005-12-02 Richard Guenther <rguenther@suse.de>

        * convert.c (convert_to_integer): Fix compare for nonpositive
        constant to use tree_int_cst_sgn <= 0.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107882 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b521d3f..b583ee5 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 2005-12-02  Richard Guenther  <rguenther@suse.de>
 
+       * convert.c (convert_to_integer): Fix compare for nonpositive
+       constant to use tree_int_cst_sgn <= 0.
+
+2005-12-02  Richard Guenther  <rguenther@suse.de>
+
        * convert.c (convert_to_integer): Use fold_convert instead
        of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
        instead of comparing against 0.  Use build_int_cst instead

diff --git a/gcc/convert.c b/gcc/convert.c
index ece3637..49d4a3a 100644 (file)
--- a/gcc/convert.c
+++ b/gcc/convert.c
@@ -500,7 +500,7 @@ convert_to_integer (tree type, tree expr)
          /* We can pass truncation down through right shifting
             when the shift count is a nonpositive constant.  */
          if (TREE_CODE (TREE_OPERAND (expr, 1)) == INTEGER_CST
-             && tree_int_cst_sgn (TREE_OPERAND (expr, 1)) < 0)
+             && tree_int_cst_sgn (TREE_OPERAND (expr, 1)) <= 0)
            goto trunc1;
          break;