[Bug rtl-optimization/30841] [4.3 regression] Missed optimizations for sbi/cbi instructions
bonzini at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Tue Mar 20 08:31:00 GMT 2007
------- Comment #4 from bonzini at gnu dot org 2007-03-20 08:31 -------
Subject: Bug 30841
Author: bonzini
Date: Tue Mar 20 08:31:13 2007
New Revision: 123084
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123084
Log:
2007-03-19 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/30907
* fwprop.c (forward_propagate_into): Never propagate inside a loop.
(fwprop_init): Always call loop_optimizer_initialize.
(fwprop_done): Always call loop_optimizer_finalize.
(fwprop): We always have loop info now.
(gate_fwprop_addr): Remove.
(pass_fwprop_addr): Use gate_fwprop as gate.
PR rtl-optimization/30841
* df-problems.c (df_ru_local_compute, df_rd_local_compute,
df_chain_alloc): Call df_reorganize_refs unconditionally.
* df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
refs_organized to refs_organized_size.
(df_ref_create_structure): Use refs_organized_size instead of
bitmap_size if refs had been organized, and keep refs_organized_size
up-to-date.
* df.h (struct df_ref_info): Change refs_organized to
refs_organized_size.
(DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
bitmap_size.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/df-problems.c
trunk/gcc/df-scan.c
trunk/gcc/df.h
trunk/gcc/fwprop.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30841
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