From 32417082bf9a8f2633e7960f2e45979ebab43e51 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Fri, 21 Feb 2014 13:14:23 +0000 Subject: [PATCH] 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 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 --- gcc/ChangeLog | 6 ++++++ gcc/tree-ssa-live.c | 3 ++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 29ed8c833c4..2acc2dfd99f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-02-21 Richard Biener + + 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 PR tree-optimization/56490 diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c index 13e4fb0cfa4..3cd3613d732 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 -- 2.11.4.GIT