From: Tom de Vries <vries@codesourcery.com>
To: gcc-patches@gcc.gnu.org, ebotcazou@libertysurf.fr
Subject: Re: [PATCH, PR43920, 4/9] Cross-jumping - Don't count use or clobber.
Date: Fri, 01 Apr 2011 14:48:00 -0000 [thread overview]
Message-ID: <4D95E5D2.6060603@codesourcery.com> (raw)
In-Reply-To: <4D94C957.6010800@codesourcery.com>
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Reposting, with ChangeLog.
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2011-04-01 Tom de Vries <tom@codesourcery.com>
PR target/43920
* cfgcleanup.c (flow_find_cross_jump): Don't count USE or CLOBBER as
insn.
Index: gcc/cfgcleanup.c
===================================================================
--- gcc/cfgcleanup.c (revision 170556)
+++ gcc/cfgcleanup.c (working copy)
@@ -1074,6 +1074,7 @@ flow_find_cross_jump (basic_block bb1, b
{
rtx i1, i2, last1, last2, afterlast1, afterlast2;
int ninsns = 0;
+ rtx p1;
/* Skip simple jumps at the end of the blocks. Complex jumps still
need to be compared for equivalence, which we'll do below. */
@@ -1122,7 +1123,9 @@ flow_find_cross_jump (basic_block bb1, b
afterlast1 = last1, afterlast2 = last2;
last1 = i1, last2 = i2;
- ninsns++;
+ p1 = PATTERN (i1);
+ if (!(GET_CODE (p1) == USE || GET_CODE (p1) == CLOBBER))
+ ninsns++;
}
i1 = PREV_INSN (i1);
next prev parent reply other threads:[~2011-04-01 14:48 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-31 18:27 [PATCH, PR43920] Improve code-size optimizations Tom de Vries
2011-03-31 18:29 ` [PATCH, PR43920, 1/9] ARM specific part Tom de Vries
2011-04-01 14:46 ` Tom de Vries
2011-04-01 15:19 ` Richard Earnshaw
2011-04-01 16:06 ` Tom de Vries
2011-04-02 7:47 ` Richard Guenther
2011-04-02 17:06 ` Tom de Vries
2011-04-03 7:38 ` Richard Guenther
2011-04-03 17:03 ` Tom de Vries
[not found] ` <BANLkTikEruAfGJ392FXtasLv6-yV2tYSRQ@mail.gmail.com>
2011-04-04 12:14 ` Richard Guenther
2011-04-04 12:23 ` Rainer Orth
2011-04-05 13:35 ` Tom de Vries
2011-05-03 18:19 ` Rainer Orth
2011-04-03 18:40 ` Mike Stump
2011-03-31 18:31 ` [PATCH, PR43920, 2/9] ARM specific part - test case Tom de Vries
2011-04-01 14:47 ` Tom de Vries
2011-04-01 15:17 ` Tom de Vries
2011-04-01 15:34 ` Richard Earnshaw
2011-04-01 16:10 ` Tom de Vries
2011-04-05 10:43 ` Tom de Vries
2011-04-05 12:20 ` Richard Earnshaw
2011-04-06 10:48 ` Ramana Radhakrishnan
2011-04-06 12:29 ` Tom de Vries
2011-03-31 18:35 ` [PATCH, PR43920, 4-9/9] Cross-jumping Tom de Vries
2011-03-31 18:36 ` [PATCH, PR43920, 4/9] Cross-jumping - Don't count use or clobber Tom de Vries
2011-03-31 18:40 ` Jeff Law
2011-03-31 19:09 ` Tom de Vries
2011-03-31 19:19 ` Jeff Law
2011-04-01 14:48 ` Tom de Vries [this message]
2011-04-04 19:11 ` Jeff Law
2011-03-31 18:42 ` [PATCH, PR43920, 5/9] Cross-jumping - Add missing use of return register Tom de Vries
2011-03-31 18:52 ` Jeff Law
2011-04-01 14:49 ` Tom de Vries
2011-04-04 19:11 ` Jeff Law
2011-03-31 18:44 ` [PATCH, PR43920, 6/9] Cross-jumping - Use reg-notes Tom de Vries
2011-03-31 18:56 ` Jeff Law
2011-03-31 21:25 ` Tom de Vries
2011-04-01 14:54 ` Tom de Vries
2011-04-04 16:14 ` Tom de Vries
2011-04-06 17:41 ` Jeff Law
2011-03-31 18:45 ` [PATCH, PR43920, 7/9] Cross-jumping - Extend search scope Tom de Vries
2011-03-31 18:58 ` Jeff Law
2011-04-05 11:44 ` Tom de Vries
2011-04-01 14:55 ` Tom de Vries
2011-04-05 21:45 ` Jeff Law
2011-03-31 18:46 ` [PATCH, PR43920, 8/9] Cross-jumping - Extend search scope - test case Tom de Vries
2011-03-31 19:00 ` Jeff Law
2011-04-01 14:56 ` Tom de Vries
2011-04-01 15:01 ` Jakub Jelinek
2011-04-01 15:18 ` Tom de Vries
2011-04-01 16:14 ` Tom de Vries
2011-04-05 21:46 ` Jeff Law
2011-03-31 18:56 ` [PATCH, PR43920, 9/9] Cross-jumping - Allow both directions Tom de Vries
2011-03-31 19:02 ` Jeff Law
2011-04-01 14:56 ` Tom de Vries
2011-04-05 21:46 ` Jeff Law
2011-03-31 18:35 ` [PATCH, PR43920, 3/9] Cleanup Tom de Vries
2011-03-31 18:43 ` Jeff Law
2011-04-01 14:48 ` Tom de Vries
2011-04-01 15:15 ` Tom de Vries
2011-04-04 18:26 ` Jeff Law
2011-03-31 21:16 ` [PATCH, PR43920] Improve code-size optimizations Eric Botcazou
2011-04-01 15:06 ` Tom de Vries
2011-04-01 16:06 ` Eric Botcazou
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