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| author | Richard Guenther <rguenther@suse.de> | 2010-04-07 13:08:24 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-04-07 13:08:24 +0000 |
| commit | 0d3c82d66efda2c9986612bd593097bdb2cd8c8f (patch) | |
| tree | 9913b9e1755325b176aaacb644c4fe572d4b95d0 /gcc/alias.c | |
| parent | 12bd5a1e9f42026f7ead1bad788f9cade67f88b7 (diff) | |
| download | gcc-0d3c82d66efda2c9986612bd593097bdb2cd8c8f.tar.gz | |
invoke.texi (-fargument-alias, [...]): Remove.
2010-04-07 Richard Guenther <rguenther@suse.de>
* doc/invoke.texi (-fargument-alias, -fargument-noalias,
-fargument-noalias-global, -fargument-noalias-anything): Remove.
* common.opt: Likewise.
* tree-ssa-structalias.c (intra_create_variable_infos): Adjust
comment.
* alias.c (base_alias_check): Remove flag_argument_noalias
handling.
(nonoverlapping_memrefs_p): Likewise.
* emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
* opts.c (common_handle_option): Handle OPT_fargument_alias,
OPT_fargument_noalias, OPT_fargument_noalias_anything and
OPT_fargument_noalias_global for backward compatibility.
fortran/
* options.c (gfc_init_options): Do not set.
From-SVN: r158060
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index 19a8292b454..c10b971e3df 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -1691,14 +1691,7 @@ base_alias_check (rtx x, rtx y, enum machine_mode x_mode, || (GET_CODE (y_base) == ADDRESS && GET_MODE (y_base) == Pmode)) return 0; - if (! flag_argument_noalias) - return 1; - - if (flag_argument_noalias > 1) - return 0; - - /* Weak noalias assertion (arguments are distinct, but may match globals). */ - return ! (GET_MODE (x_base) == VOIDmode && GET_MODE (y_base) == VOIDmode); + return 1; } /* Convert the address X into something we can use. This is done by returning @@ -2189,13 +2182,6 @@ nonoverlapping_memrefs_p (const_rtx x, const_rtx y) exprx = t; } } - else if (INDIRECT_REF_P (exprx)) - { - exprx = TREE_OPERAND (exprx, 0); - if (flag_argument_noalias < 2 - || TREE_CODE (exprx) != PARM_DECL) - return 0; - } moffsety = MEM_OFFSET (y); if (TREE_CODE (expry) == COMPONENT_REF) @@ -2217,13 +2203,6 @@ nonoverlapping_memrefs_p (const_rtx x, const_rtx y) expry = t; } } - else if (INDIRECT_REF_P (expry)) - { - expry = TREE_OPERAND (expry, 0); - if (flag_argument_noalias < 2 - || TREE_CODE (expry) != PARM_DECL) - return 0; - } if (! DECL_P (exprx) || ! DECL_P (expry)) return 0; |