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r162597 - in /trunk/gcc: ChangeLog basic-block....
- From: mkuvyrkov at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 27 Jul 2010 19:48:15 -0000
- Subject: r162597 - in /trunk/gcc: ChangeLog basic-block....
Author: mkuvyrkov
Date: Tue Jul 27 19:48:15 2010
New Revision: 162597
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162597
Log:
PR target/42495
PR middle-end/42574
* basic-block.h (get_dominated_to_depth): Declare.
* dominance.c (get_dominated_to_depth): New function, use
get_all_dominated_blocks as a base.
(get_all_dominated_blocks): Use get_dominated_to_depth.
* gcse.c (occr_t, VEC (occr_t, heap)): Define.
(hoist_exprs): Remove.
(alloc_code_hoist_mem, free_code_hoist_mem): Update.
(compute_code_hoist_vbeinout): Add debug print outs.
(hoist_code): Partially rewrite, simplify. Use get_dominated_to_depth.
* params.def (PARAM_MAX_HOIST_DEPTH): New parameter to avoid
quadratic behavior.
* params.h (MAX_HOIST_DEPTH): New macro.
* doc/invoke.texi (max-hoist-depth): Document.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/basic-block.h
trunk/gcc/doc/invoke.texi
trunk/gcc/dominance.c
trunk/gcc/gcse.c
trunk/gcc/params.def
trunk/gcc/params.h