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Fix 473.astar miscompile.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog.graphite
index 89e1a0a..bdeaf83 100644 (file)
@@ -1,4 +1,21 @@
-2010-04-04  Sebastian Pop  <sebastian.pop@amd.com>
+2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR middle-end/43519
+       * graphite-clast-to-gimple.c (max_signed_precision_type): Use
+       lang_hooks.types.type_for_size instead of build_nonstandard_integer_type.
+       When converting an unsigned type to signed, double its precision.
+       (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
+       (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
+       (graphite_create_new_loop_guard): When ub + 1 wraps around, use lb <= ub.
+
+2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR middle-end/43519
+       * graphite-clast-to-gimple.c (max_signed_precision_type): Use
+       build_nonstandard_integer_type.
+       (gcc_type_for_interval): Same.
+
+2010-04-05  Sebastian Pop  <sebastian.pop@amd.com>
 
        PR middle-end/43519
        * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use