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r114116 - in /trunk/gcc: ChangeLog tree-ssa-ali...
- From: ebotcazou at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Thu, 25 May 2006 14:11:37 -0000
- Subject: r114116 - in /trunk/gcc: ChangeLog tree-ssa-ali...
Author: ebotcazou
Date: Thu May 25 14:11:36 2006
New Revision: 114116
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=114116
Log:
* tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
(struct alias_info): Add new field ref_all_symbol_mem_tag.
* tree-ssa-alias.c (compute_may_aliases): If the program contains
ref-all pointers, run a finalization pass for them.
(compute_flow_insensitive_aliasing): Skip ref-all pointers.
(finalize_ref_all_pointers): New function.
(is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
regular pointer type to a ref-all pointer type.
(get_tmt_for): Return the special memory tag for ref-all pointers.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-alias.c
trunk/gcc/tree-ssa-structalias.h