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From: "olegendo at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/51244] [SH] Inefficient conditional branch and code around T bit
Date: Sat, 12 Oct 2013 20:47:00 -0000 [thread overview]
Message-ID: <bug-51244-4-CSKt9PEBeD@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-51244-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51244
--- Comment #70 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Author: olegendo
Date: Sat Oct 12 20:47:22 2013
New Revision: 203492
URL: http://gcc.gnu.org/viewcvs?rev=203492&root=gcc&view=rev
Log:
PR target/51244
* config/sh/sh_treg_combine.cc: New SH specific RTL pass.
* config.gcc (SH extra_objs): Add sh_ifcvt.o.
* config/sh/t-sh (sh_treg_combine.o): New entry.
* config/sh/sh.c (sh_fixed_condition_code_regs): New function that
implements the target hook TARGET_FIXED_CONDITION_CODE_REGS.
(register_sh_passes): New function. Register sh_treg_combine pass.
(sh_option_override): Invoke it.
(sh_canonicalize_comparison): Handle op0_preserve_value.
* sh.md (*cbranch_t"): Do not try to optimize missed test and branch
opportunities. Canonicalize branch condition.
(nott): Allow only if pseudos can be created for non-SH2A.
PR target/51244
* gcc.dg/torture/p51244-21.c: New.
* gcc.target/sh/pr51244-20.c: New.
* gcc.target/sh/pr51244-20-sh2a.c: New.
Added:
trunk/gcc/config/sh/sh_treg_combine.cc
trunk/gcc/testsuite/gcc.dg/torture/pr51244-21.c
trunk/gcc/testsuite/gcc.target/sh/pr51244-20-sh2a.c
trunk/gcc/testsuite/gcc.target/sh/pr51244-20.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config.gcc
trunk/gcc/config/sh/sh.c
trunk/gcc/config/sh/sh.md
trunk/gcc/config/sh/t-sh
trunk/gcc/testsuite/ChangeLog
next prev parent reply other threads:[~2013-10-12 20:47 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-20 20:29 [Bug target/51244] New: SH Target: Inefficient conditional branch oleg.endo@t-online.de
2011-11-22 23:36 ` [Bug target/51244] " kkojima at gcc dot gnu.org
2011-12-27 22:03 ` oleg.endo@t-online.de
2011-12-27 23:17 ` oleg.endo@t-online.de
2011-12-28 0:42 ` oleg.endo@t-online.de
2011-12-28 4:57 ` oleg.endo@t-online.de
2011-12-28 16:07 ` oleg.endo@t-online.de
2011-12-28 22:30 ` kkojima at gcc dot gnu.org
2011-12-30 22:18 ` oleg.endo@t-online.de
2012-02-26 23:36 ` olegendo at gcc dot gnu.org
2012-03-02 21:57 ` olegendo at gcc dot gnu.org
2012-03-03 12:32 ` olegendo at gcc dot gnu.org
2012-03-04 17:25 ` olegendo at gcc dot gnu.org
2012-03-05 23:13 ` olegendo at gcc dot gnu.org
2012-03-05 23:38 ` olegendo at gcc dot gnu.org
2012-03-06 8:28 ` olegendo at gcc dot gnu.org
2012-03-06 8:50 ` kkojima at gcc dot gnu.org
2012-03-06 9:48 ` olegendo at gcc dot gnu.org
2012-03-06 10:36 ` kkojima at gcc dot gnu.org
2012-03-06 10:38 ` kkojima at gcc dot gnu.org
2012-03-06 10:39 ` kkojima at gcc dot gnu.org
2012-03-06 10:40 ` kkojima at gcc dot gnu.org
2012-03-06 11:30 ` olegendo at gcc dot gnu.org
2012-03-06 23:43 ` olegendo at gcc dot gnu.org
2012-03-08 1:26 ` olegendo at gcc dot gnu.org
2012-03-08 11:12 ` kkojima at gcc dot gnu.org
2012-03-08 11:15 ` kkojima at gcc dot gnu.org
2012-03-08 11:17 ` kkojima at gcc dot gnu.org
2012-03-09 0:27 ` olegendo at gcc dot gnu.org
2012-03-09 1:45 ` kkojima at gcc dot gnu.org
2012-03-09 8:41 ` kkojima at gcc dot gnu.org
2012-03-09 10:02 ` olegendo at gcc dot gnu.org
2012-03-09 10:37 ` kkojima at gcc dot gnu.org
2012-03-11 13:18 ` olegendo at gcc dot gnu.org
2012-03-15 8:11 ` kkojima at gcc dot gnu.org
2012-03-20 1:46 ` olegendo at gcc dot gnu.org
2012-03-20 2:33 ` kkojima at gcc dot gnu.org
2012-03-20 20:41 ` olegendo at gcc dot gnu.org
2012-05-07 20:53 ` olegendo at gcc dot gnu.org
2012-05-08 21:43 ` olegendo at gcc dot gnu.org
2012-06-30 12:01 ` olegendo at gcc dot gnu.org
2012-07-02 19:24 ` olegendo at gcc dot gnu.org
2012-07-08 15:03 ` olegendo at gcc dot gnu.org
2012-07-23 22:58 ` olegendo at gcc dot gnu.org
2012-07-23 23:29 ` olegendo at gcc dot gnu.org
2012-07-26 0:20 ` olegendo at gcc dot gnu.org
2012-07-30 6:46 ` olegendo at gcc dot gnu.org
2012-08-09 15:55 ` olegendo at gcc dot gnu.org
2012-08-12 22:47 ` olegendo at gcc dot gnu.org
2012-08-20 20:51 ` olegendo at gcc dot gnu.org
2012-08-30 22:54 ` olegendo at gcc dot gnu.org
2012-08-31 10:55 ` kkojima at gcc dot gnu.org
2012-08-31 15:50 ` olegendo at gcc dot gnu.org
2012-09-04 8:03 ` olegendo at gcc dot gnu.org
2012-09-23 21:36 ` [Bug target/51244] [SH] Inefficient conditional branch and code around T bit olegendo at gcc dot gnu.org
2012-09-23 21:42 ` olegendo at gcc dot gnu.org
2012-10-03 21:39 ` olegendo at gcc dot gnu.org
2012-10-12 0:41 ` olegendo at gcc dot gnu.org
2012-10-15 22:08 ` olegendo at gcc dot gnu.org
2012-11-03 12:01 ` olegendo at gcc dot gnu.org
2013-07-18 16:11 ` laurent.alfonsi at st dot com
2013-07-18 16:12 ` laurent.alfonsi at st dot com
2013-07-20 14:38 ` olegendo at gcc dot gnu.org
2013-07-23 8:21 ` laurent.alfonsi at st dot com
2013-07-27 19:28 ` olegendo at gcc dot gnu.org
2013-07-28 8:51 ` olegendo at gcc dot gnu.org
2013-07-28 12:26 ` olegendo at gcc dot gnu.org
2013-07-31 21:46 ` olegendo at gcc dot gnu.org
2013-08-23 0:13 ` olegendo at gcc dot gnu.org
2013-08-23 0:25 ` kkojima at gcc dot gnu.org
2013-09-24 22:43 ` olegendo at gcc dot gnu.org
2013-10-03 22:50 ` olegendo at gcc dot gnu.org
2013-10-12 20:47 ` olegendo at gcc dot gnu.org [this message]
2013-10-12 21:26 ` olegendo at gcc dot gnu.org
2013-12-05 17:54 ` olegendo at gcc dot gnu.org
2013-12-06 10:47 ` olegendo at gcc dot gnu.org
2014-05-10 20:19 ` olegendo at gcc dot gnu.org
2014-05-16 22:55 ` olegendo at gcc dot gnu.org
2014-09-13 18:48 ` olegendo at gcc dot gnu.org
2014-11-22 15:07 ` olegendo at gcc dot gnu.org
2014-11-22 15:50 ` olegendo at gcc dot gnu.org
2014-11-22 16:08 ` olegendo at gcc dot gnu.org
2014-12-01 6:50 ` olegendo at gcc dot gnu.org
2014-12-17 22:53 ` olegendo at gcc dot gnu.org
2014-12-17 23:08 ` olegendo at gcc dot gnu.org
2014-12-17 23:15 ` olegendo at gcc dot gnu.org
2014-12-24 21:56 ` olegendo at gcc dot gnu.org
2015-01-24 13:06 ` olegendo at gcc dot gnu.org
2015-03-01 19:16 ` olegendo at gcc dot gnu.org
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