PR tree-optimization/34244

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 438d303..e1215f1 100644 (file)
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+++ b/gcc/ChangeLog
@@ -1,3 +1,14 @@
+2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
+
+       PR tree-optimization/34244
+       * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
+       (record_numbers_of_iterations): New function.
+       (execute_vrp): Cache the numbers of iterations of loops.
+       * tree-scalar-evolution.c (scev_reset_except_niters):
+       New function.
+       (scev_reset): Use scev_reset_except_niters.
+       * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
+
 2007-11-29  Jan Hubicka  <jh@suse.cz>
            Jakub Jelinek  <jakub@redhat.com>