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authorJan Hubicka <jh@suse.cz>2006-07-29 15:14:22 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2006-07-29 13:14:22 +0000
commit370adb7b5dcde35845e0d7b43cf05628a6193c7a (patch)
tree331dc480555ba8c366d3435b80e94c76d4cc12f0 /gcc/cfgrtl.c
parent76ebb8de0046b5bbdb13c086618be11becd964d1 (diff)
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re PR middle-end/28071 (A file that can not be compiled in reasonable time/space)
PR rtl-optimization/28071 * cfgrtl.c (rtl_delete_block): Free regsets. * flow.c (allocate_bb_life_data): Re-use regsets if available. From-SVN: r115810
Diffstat (limited to 'gcc/cfgrtl.c')
-rw-r--r--gcc/cfgrtl.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c
index 723e323..b07bb94 100644
--- a/gcc/cfgrtl.c
+++ b/gcc/cfgrtl.c
@@ -386,6 +386,13 @@ rtl_delete_block (basic_block b)
/* Selectively delete the entire chain. */
BB_HEAD (b) = NULL;
delete_insn_chain (insn, end);
+ if (b->il.rtl->global_live_at_start)
+ {
+ FREE_REG_SET (b->il.rtl->global_live_at_start);
+ FREE_REG_SET (b->il.rtl->global_live_at_end);
+ b->il.rtl->global_live_at_start = NULL;
+ b->il.rtl->global_live_at_end = NULL;
+ }
}
/* Records the basic block struct in BLOCK_FOR_INSN for every insn. */