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| author | Jeff Law <law@redhat.com> | 2004-06-01 01:42:35 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2004-06-01 01:42:35 -0600 |
| commit | 0b068ee90da7cbccbc7fd3ef66d58b9bcbcedabd (patch) | |
| tree | 2b16ad65ff14e5d87159e2e3e1d8d3ebbecfa368 /gcc | |
| parent | 61c627ed2c1b7184807d2101ab2d288e9ca4f39b (diff) | |
| download | gcc-0b068ee90da7cbccbc7fd3ef66d58b9bcbcedabd.zip gcc-0b068ee90da7cbccbc7fd3ef66d58b9bcbcedabd.tar.gz gcc-0b068ee90da7cbccbc7fd3ef66d58b9bcbcedabd.tar.bz2 | |
stmt.c (expand_decl): Be more selective about calling mark_reg_pointer.
* stmt.c (expand_decl): Be more selective about calling
mark_reg_pointer.
From-SVN: r82533
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/stmt.c | 19 |
2 files changed, 19 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9e3fd3b..8656d29 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-05-19 Jeff Law <law@redhat.com> + + * stmt.c (expand_decl): Be more selective about calling + mark_reg_pointer. + 2004-06-01 Nicola Pero <nicola@brainstorm.co.uk> PR objc/7993 @@ -3422,12 +3422,21 @@ expand_decl (tree decl) SET_DECL_RTL (decl, gen_reg_rtx (reg_mode)); + /* Note if the object is a user variable. */ if (!DECL_ARTIFICIAL (decl)) - mark_user_reg (DECL_RTL (decl)); - - if (POINTER_TYPE_P (type)) - mark_reg_pointer (DECL_RTL (decl), - TYPE_ALIGN (TREE_TYPE (TREE_TYPE (decl)))); + { + mark_user_reg (DECL_RTL (decl)); + + /* Trust user variables which have a pointer type to really + be pointers. Do not trust compiler generated temporaries + as our type system is totally busted as it relates to + pointer arithmetic which translates into lots of compiler + generated objects with pointer types, but which are not really + pointers. */ + if (POINTER_TYPE_P (type)) + mark_reg_pointer (DECL_RTL (decl), + TYPE_ALIGN (TREE_TYPE (TREE_TYPE (decl)))); + } maybe_set_unchanging (DECL_RTL (decl), decl); |