diff options
author | dnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-20 18:18:37 +0000 |
---|---|---|
committer | dnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-12-20 18:18:37 +0000 |
commit | 0cf506c886ca609627c8a38b1b44f4309a68f552 (patch) | |
tree | 4f20301c6201fe9b132e07d84f5911f4816afa44 /gcc/tree-flow-inline.h | |
parent | 460651e85342dd28d9c32872e71579cbe0ba9059 (diff) | |
download | ppe42-gcc-0cf506c886ca609627c8a38b1b44f4309a68f552.tar.gz ppe42-gcc-0cf506c886ca609627c8a38b1b44f4309a68f552.zip |
PR tree-optimization/19080
Merge from tree-cleanup-branch
* tree-flow-inline.h (clear_call_clobbered): New function.
* tree-ssa-alias.c (init_alias_info): Call it.
testsuite/ChangeLog
PR tree-optimization/19080
* gcc.c-torture/compile/pr19080.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92423 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-flow-inline.h')
-rw-r--r-- | gcc/tree-flow-inline.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/tree-flow-inline.h b/gcc/tree-flow-inline.h index fd31a76f84c..b6bcb6528d9 100644 --- a/gcc/tree-flow-inline.h +++ b/gcc/tree-flow-inline.h @@ -625,6 +625,18 @@ mark_call_clobbered (tree var) ssa_ro_call_cache_valid = false; } +/* Clear the call-clobbered attribute from variable VAR. */ +static inline void +clear_call_clobbered (tree var) +{ + var_ann_t ann = var_ann (var); + if (ann->mem_tag_kind != NOT_A_TAG) + DECL_EXTERNAL (var) = 0; + bitmap_clear_bit (call_clobbered_vars, ann->uid); + ssa_call_clobbered_cache_valid = false; + ssa_ro_call_cache_valid = false; +} + /* Mark variable VAR as being non-addressable. */ static inline void mark_non_addressable (tree var) |