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| author | Richard Biener <rguenther@suse.de> | 2014-02-21 13:14:23 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-02-21 13:14:23 +0000 |
| commit | 32417082bf9a8f2633e7960f2e45979ebab43e51 (patch) | |
| tree | b8ca0c2a0c74b596d5ba5799f42443e85678ca1b | |
| parent | b9b78c8ca0f8232d5baca64f5b3cd90076a8a799 (diff) | |
| download | gcc-32417082bf9a8f2633e7960f2e45979ebab43e51.zip gcc-32417082bf9a8f2633e7960f2e45979ebab43e51.tar.gz gcc-32417082bf9a8f2633e7960f2e45979ebab43e51.tar.bz2 | |
re PR middle-end/60291 (slow compile times for any mode (-O0/-O1/-O2) on large .c source file (30MBs))
2014-02-21 Richard Biener <rguenther@suse.de>
PR middle-end/60291
* tree-ssa-live.c (mark_all_vars_used_1): Do not walk
DECL_INITIAL for globals not in the current function context.
From-SVN: r207991
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-live.c | 3 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 29ed8c8..2acc2df 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-02-21 Richard Biener <rguenther@suse.de> + + PR middle-end/60291 + * tree-ssa-live.c (mark_all_vars_used_1): Do not walk + DECL_INITIAL for globals not in the current function context. + 2014-02-21 Jakub Jelinek <jakub@redhat.com> PR tree-optimization/56490 diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c index 13e4fb0..3cd3613 100644 --- a/gcc/tree-ssa-live.c +++ b/gcc/tree-ssa-live.c @@ -435,7 +435,8 @@ mark_all_vars_used_1 (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED) { /* When a global var becomes used for the first time also walk its initializer (non global ones don't have any). */ - if (set_is_used (t) && is_global_var (t)) + if (set_is_used (t) && is_global_var (t) + && DECL_CONTEXT (t) == current_function_decl) mark_all_vars_used (&DECL_INITIAL (t)); } /* remove_unused_scope_block_p requires information about labels |