[Bug middle-end/38151] structures with _Complex arguments are not passed correctly

[rguenth at gcc dot gnu dot org]

------- Comment #29 from rguenth at gcc dot gnu dot org  2008-11-25 10:35 -------
Subject: Bug 38151

Author: rguenth
Date: Tue Nov 25 10:34:11 2008
New Revision: 142189

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142189
Log:
2008-11-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38151
        PR middle-end/38236
        * tree-ssa-alias.c (struct alias_info): Remove written_vars.
        Remove dereferenced_ptrs_store and dereferenced_ptrs_load
        in favor of dereferenced_ptrs.
        (init_alias_info): Adjust.
        (delete_alias_info): Likewise.
        (compute_flow_insensitive_aliasing): Properly
        include all aliased variables.
        (update_alias_info_1): Use dereferenced_ptrs.
        (setup_pointers_and_addressables): Likewise.
        (get_smt_for): Honor ref-all pointers and pointers with known alias
        set properly.
        * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers.

        * gcc.c-torture/execute/pr38151.c: New testcase.
        * gcc.c-torture/execute/pr38236.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr38151.c
    trunk/gcc/testsuite/gcc.c-torture/execute/pr38236.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-alias.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38151