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[Bug rtl-optimization/13653] [3.3 regression] -O2 -funroll-loop miscompiles POOMA testcase
- From: "ebotcazou at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 24 May 2004 16:01:54 -0000
- Subject: [Bug rtl-optimization/13653] [3.3 regression] -O2 -funroll-loop miscompiles POOMA testcase
- References: <20040112101346.13653.rguenth@tat.physik.uni-tuebingen.de>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From ebotcazou at gcc dot gnu dot org 2004-05-24 16:01 -------
Try first to revert this one:
2004-04-24 Richard Henderson <rth@redhat.com>
PR bootstrap/14671
* alias.c (alias_invariant, alias_invariant_size): Mark GTY.
(reg_known_value, reg_known_value_size): Likewise; make static.
(reg_known_equiv_p): Make static.
(clear_reg_alias_info): Update for new indexing.
(get_reg_known_value, set_reg_known_value): New.
(get_reg_known_equiv_p, set_reg_known_equiv_p): New.
(canon_rtx): Use them.
(init_alias_analysis): Likewise. Allocate reg_known_value with gc.
Don't play queer offsetting games with reg_known_value and
reg_known_equiv_p.
(end_alias_analysis): Don't free reg_known_value.
* rtl.h (get_reg_known_value, get_reg_known_equiv_p): Declare.
* sched-deps.c (reg_known_equiv_p, reg_known_value): Remove.
(deps_may_trap_p, sched_analyze_1, sched_analyze_2): Use the new
functions instead.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13653