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[Bug target/72851] [6/7 Regression] memory hog with -O3 on s390x-linux-gnu
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 12 Aug 2016 07:35:12 +0000
- Subject: [Bug target/72851] [6/7 Regression] memory hog with -O3 on s390x-linux-gnu
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- Auto-submitted: auto-generated
- References: <bug-72851-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72851
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Aug 12 07:34:40 2016
New Revision: 239405
URL: https://gcc.gnu.org/viewcvs?rev=239405&root=gcc&view=rev
Log:
2016-08-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/72851
* tree-ssa-propagate.c: Include cfganal.h. Rewrite block and stmt
worklists to use bitmaps indexed in execution order.
(executable_blocks, cfg_blocks_num, cfg_blocks_tail, cfg_blocks_head,
bb_in_list, interesting_ssa_edges, varying_ssa_edges): Remove.
(cfg_blocks): Make a bitmap.
(bb_to_cfg_order, cfg_order_to_bb, ssa_edge_worklist, uid_to_stmt):
New globals.
(cfg_blocks_empty_p): Adjust.
(cfg_blocks_add): Likewise.
(cfg_blocks_get): Likewise.
(add_ssa_edge): Likewise.
(add_control_edge): Likewise.
(simulate_stmt): Likewise.
(process_ssa_edge_worklist): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Compute PRE order and stmt UIDs.
(ssa_prop_fini): Adjust.
(ssa_propagate): Adjust.
* gcc.dg/torture/pr72851.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr72851.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-propagate.c