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authorToon Moene <toon@moene.indiv.nluug.nl>2006-03-21 07:32:57 +0100
committerToon Moene <toon@gcc.gnu.org>2006-03-21 06:32:57 +0000
commit0698a1d2bd56fc3b12c1fe235b27030f5d8a54bf (patch)
treeb8851b36230f472b3fa762bc25e4577aed644008 /gcc/fortran
parente67c25c7381536222d154228d16467320ea1fcf8 (diff)
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options.c (gfc_init_options): Initialize flag_argument_noalias to 3.
2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl> * fortran/options.c (gfc_init_options): Initialize flag_argument_noalias to 3. * doc/invoke.texi: Document new flag -fargument-noalias-anything. * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2, argument pointers may not alias any other storage. * common.opt: Define option -fargument-noalias-anything. * tree-ssa-structalias.c (intra_create_variable_infos): Fortran alias semantics is specified by flag_argument_noalias > 2. From-SVN: r112243
Diffstat (limited to 'gcc/fortran')
-rw-r--r--gcc/fortran/ChangeLog5
-rw-r--r--gcc/fortran/options.c5
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 7256b6e..3cae704 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
+
+ * options.c (gfc_init_options): Initialize
+ flag_argument_noalias to 3.
+
2006-03-20 Thomas Koenig <Thomas.Koenig@online.de>
PR fortran/20935
diff --git a/gcc/fortran/options.c b/gcc/fortran/options.c
index ddab37e..438bc48 100644
--- a/gcc/fortran/options.c
+++ b/gcc/fortran/options.c
@@ -85,7 +85,10 @@ gfc_init_options (unsigned int argc ATTRIBUTE_UNUSED,
gfc_option.fpe = 0;
- flag_argument_noalias = 2;
+ /* Argument pointers cannot point to anything
+ but their argument. */
+ flag_argument_noalias = 3;
+
flag_errno_math = 0;
gfc_option.allow_std = GFC_STD_F95_OBS | GFC_STD_F95_DEL