gcc/

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

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 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 
+       PR middle-end/39315
+       * cfgexpand.c (expand_one_stack_var_at): Change alignment
+       limit to MAX_SUPPORTED_STACK_ALIGNMENT.
+
+2009-03-27  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/39120
+       * tree-ssa-structalias.c (handle_rhs_call): Fill out return
+       constraints.
+       (handle_lhs_call): Process return constraints.  Add escape
+       constraints if necessary.
+       (handle_const_call): Fill out return constraints.  Make nested
+       case more precise.  Avoid consttmp if possible.
+       (handle_pure_call): Fill out return constraints.  Avoid
+       callused if possible.
+       (find_func_aliases): Simplify call handling.
+
+2009-03-27  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/39120
+       * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
+       as a representative.
+       (solve_graph): Do propagate CALLUSED.
+       (handle_pure_call): Use a scalar constraint from CALLUSED for
+       the return value.
+       (find_what_p_points_to): CALLUSED shall not appear in poins-to
+       solutions.
+
+2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
+
        PR c/39323
        * c-common.c (handle_aligned_attribute): Properly check alignment
        overflow.  Use (1U << i) instead of (1 << i).