* explow.c (probe_stack_range): Restore simple control flow and stop

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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
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@@ -1,3 +1,21 @@
+2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * explow.c (probe_stack_range): Restore simple control flow and stop
+       again when the probe cannot be generated if HAVE_check_stack.
+
+2012-05-30  Jakub Jelinek  <jakub@redhat.com>
+
+       PR rtl-optimization/53519
+       * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
+       instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
+
+2012-05-29  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/53516
+       * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
+       bitfield accesses.
+       * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
+
 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
 
        Backport from mainline