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| author | Jason Merrill <jason@redhat.com> | 2004-06-09 11:32:44 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2004-06-09 11:32:44 -0400 |
| commit | cd3ce9b44c1c3b4f4567de0d2767df058b89ce58 (patch) | |
| tree | a63536f7f79b61493abe2609fb704c1c740bcd7d /gcc/alias.c | |
| parent | e072ae27e0898a7244b08d003a43b4cecf146df0 (diff) | |
| download | gcc-cd3ce9b44c1c3b4f4567de0d2767df058b89ce58.tar.gz | |
Gimplify VA_ARG_EXPR into simpler forms.
* target.h: Add gimplify_va_arg_expr hook.
* target-def.h: Add TARGET_GIMPLIFY_VA_ARG_EXPR.
* fold-const.c (build_fold_addr_expr)
(build_fold_addr_expr_with_type): Move from gimplify.c.
* tree.h: Declare them.
* gimplify.c (gimplify_and_add): New fn.
(build_addr_expr, build_addr_expr_with_type): Move to fold-const.c.
(gimplify_array_ref_to_plus, gimplify_modify_expr)
(gimplify_expr): Use build_fold_*.
(copy_if_shared_r): Only mark VA_ARG_EXPR volatile if we
don't know how to gimplify it.
* builtins.c (std_gimplify_va_arg_expr): New fn.
(dummy_object): New static fn.
(gimplify_va_arg_expr): New fn.
(stabilize_va_list): Use build_fold_*.
* tree-gimple.h: Declare new fns.
* config/i386/i386.c (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
(ix86_gimplify_va_arg): New fn.
* config/i386/ia64.c (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
(ia64_gimplify_va_arg): New fn.
* config/i386/rs6000.c (rs6000_gimplify_va_arg): New fn.
(TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
* config/i386/sparc.c (sparc_gimplify_va_arg): New fn.
* alias.c (get_varargs_alias_set): Just return 0 for now.
* c-objc-common.c (c_tree_printer): Improve handling of %T.
From-SVN: r82838
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index e41e456892a..3e2bbbbad5d 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -737,10 +737,18 @@ static GTY(()) HOST_WIDE_INT varargs_set = -1; HOST_WIDE_INT get_varargs_alias_set (void) { +#if 1 + /* We now lower VA_ARG_EXPR, and there's currently no way to attach the + varargs alias set to an INDIRECT_REF (FIXME!), so we can't + consistently use the varargs alias set for loads from the varargs + area. So don't use it anywhere. */ + return 0; +#else if (varargs_set == -1) varargs_set = new_alias_set (); return varargs_set; +#endif } /* Likewise, but used for the fixed portions of the frame, e.g., register |