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[Bug rtl-optimization/19580] [3.4/4.0 Regression] missed load/store monition
- From: "belyshev at depni dot sinp dot msu dot ru" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Jan 2005 04:35:03 -0000
- Subject: [Bug rtl-optimization/19580] [3.4/4.0 Regression] missed load/store monition
- References: <20050123013419.19580.belyshev@depni.sinp.msu.ru>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From belyshev at depni dot sinp dot msu dot ru 2005-01-23 04:34 -------
Caused by this patch:
2003-04-01 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
* gcse.c (struct ls_expr): Added pattern_regs field.
(ldst_entry): Initialize it.
(extract_mentioned_regs, extract_mentioned_regs_helper): New.
(store_ops_ok): Use regs precomputed by them.
(find_loads, store_killed_in_insn, load_kills_store): Change return
type to bool.
(store_killed_before, store_killed_after): Take position of register
set in account.
(reg_set_info): Store position of the setter.
(gcse_main): Enable store motion.
(mems_conflict_for_gcse_p): Enable load motion of non-symbol mems.
(pre_insert_copy_insn, update_ld_motion_stores, insert_store): Prevent rtl
sharing.
(simple_mem): Enable store motion of non-symbol mems.
(regvec): Type changed.
(LAST_AVAIL_CHECK_FAILURE): New.
(compute_store_table_current_insn): New.
(build_store_vectors): Computation of availability and anticipatability
moved ...
(compute_store_table, find_moveable_store): ... here.
(delete_store): Remove senseless comment.
(store_motion): Reorganize.
--
What |Removed |Added
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Keywords| |ra
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19580