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| author | Diego Novillo <dnovillo@redhat.com> | 2004-12-20 18:18:37 +0000 |
|---|---|---|
| committer | Diego Novillo <dnovillo@gcc.gnu.org> | 2004-12-20 13:18:37 -0500 |
| commit | 90e34bd6374760bfdd0a8807e8323eaa50a749f1 (patch) | |
| tree | 4f20301c6201fe9b132e07d84f5911f4816afa44 /gcc/tree-flow-inline.h | |
| parent | c20a99d0c57237b78ceb267b6f42d20278b7b7ea (diff) | |
| download | gcc-90e34bd6374760bfdd0a8807e8323eaa50a749f1.zip gcc-90e34bd6374760bfdd0a8807e8323eaa50a749f1.tar.gz gcc-90e34bd6374760bfdd0a8807e8323eaa50a749f1.tar.bz2 | |
re PR tree-optimization/19080 (ICE while compiling linux kernel)
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.
From-SVN: r92423
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 fd31a76..b6bcb65 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) |