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| author | Richard Guenther <rguenther@suse.de> | 2010-10-12 12:56:32 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-10-12 12:56:32 +0000 |
| commit | 1f181fdea6f08eface959ea0786917ccce898c6b (patch) | |
| tree | 75c0cca2b9391bc3f99d1ccb330405d2f8802b2c | |
| parent | 85c3f0b9e91b7a4bb421b945577890ebcead33ac (diff) | |
| download | gcc-1f181fdea6f08eface959ea0786917ccce898c6b.zip gcc-1f181fdea6f08eface959ea0786917ccce898c6b.tar.gz gcc-1f181fdea6f08eface959ea0786917ccce898c6b.tar.bz2 | |
tree-ssa-structalias.c (get_constraint_for_1): Constants only point to nonlocal, not anything.
2010-10-12 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (get_constraint_for_1): Constants
only point to nonlocal, not anything.
From-SVN: r165372
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 11 |
2 files changed, 15 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cf4ca0f..9ce3832 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-10-12 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (get_constraint_for_1): Constants + only point to nonlocal, not anything. + 2010-10-11 Hariharan Sandanagobalane <hariharan@picochip.com> * config/picochip/picochip.c (TARGET_EXCEPT_UNWIND_INFO): Use sjlj diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 83cc953..c2a82ef 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -3335,7 +3335,7 @@ get_constraint_for_1 (tree t, VEC (ce_s, heap) **results, bool address_p, if (flag_delete_null_pointer_checks) temp.var = nothing_id; else - temp.var = anything_id; + temp.var = nonlocal_id; temp.type = ADDRESSOF; temp.offset = 0; VEC_safe_push (ce_s, heap, *results, &temp); @@ -3428,6 +3428,15 @@ get_constraint_for_1 (tree t, VEC (ce_s, heap) **results, bool address_p, get_constraint_for_ssa_var (t, results, address_p); return; } + case tcc_constant: + { + /* We cannot refer to automatic variables through constants. */ + temp.type = ADDRESSOF; + temp.var = nonlocal_id; + temp.offset = 0; + VEC_safe_push (ce_s, heap, *results, &temp); + return; + } default:; } |