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From: "steven at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/19038] [4.0 Regression] out of ssa causing loops to have more than one BB
Date: Fri, 21 Jan 2005 13:27:00 -0000 [thread overview]
Message-ID: <20050121132709.12469.qmail@sourceware.org> (raw)
In-Reply-To: <20041216155140.19038.dje@gcc.gnu.org>
------- Additional Comments From steven at gcc dot gnu dot org 2005-01-21 13:27 -------
Correctemundo Zdenek!
Before dom3:
# BLOCK 2
# PRED: 1 [100.0%] (fallthru) 2 [89.0%] (dfs_back,false,exec)
# ivtmp.3_12 = PHI <0(1), ivtmp.3_20(2)>;
# __BLNK___2 = PHI <__BLNK___8(1), __BLNK___11(2)>;
<L8>:;
D.498_25 = (<unnamed type>) lsm_tmp.2_14;
D.499_26 = ivtmp.3_12 + D.498_25;
D.500_27 = D.499_26 + ffffffffffffffff;
D.501_28 = &__BLNK__.array1[D.500_27];
ruatmp.9_29 = D.501_28;
# __BLNK___11 = V_MAY_DEF <__BLNK___2>;
*ruatmp.9_29 = 1.0e+0;
ivtmp.3_20 = ivtmp.3_12 + 1;
D.503_30 = D.457_4 - lsm_tmp.2_14;
D.504_31 = (<unnamed type>) D.503_30;
D.505_32 = D.504_31 + 1;
if (ivtmp.3_20 == D.505_32) goto <L12>; else goto <L8>;
# SUCC: 3 [11.0%] (loop_exit,true,exec) 2 [89.0%] (dfs_back,false,exec)
# BLOCK 3
# PRED: 2 [11.0%] (loop_exit,true,exec)
# ivtmp.3_24 = PHI <ivtmp.3_20(2)>;
<L12>:;
D.496_21 = (<unnamed type>) lsm_tmp.2_14;
D.497_22 = ivtmp.3_24 + D.496_21;
lsm_tmp.2_23 = (int4) D.497_22;
lsm_tmp.2_19 = lsm_tmp.2_23;
# j_7 = V_MUST_DEF <j_6>;
j = lsm_tmp.2_19;
# SUCC: 4 [100.0%] (fallthru)
After dom3:
# BLOCK 2
# PRED: 1 [100.0%] (fallthru) 2 [89.0%] (dfs_back,false,exec)
# ivtmp.3_12 = PHI <0(1), ivtmp.3_20(2)>;
# __BLNK___2 = PHI <__BLNK___8(1), __BLNK___11(2)>;
<L8>:;
D.498_25 = 1;
D.499_26 = ivtmp.3_12 + 1;
D.500_27 = ivtmp.3_12;
D.501_28 = &__BLNK__.array1[ivtmp.3_12];
ruatmp.9_29 = D.501_28;
# __BLNK___11 = V_MAY_DEF <__BLNK___2>;
*D.501_28 = 1.0e+0;
ivtmp.3_20 = ivtmp.3_12 + 1;
D.503_30 = D.457_4 - 1;
D.504_31 = (<unnamed type>) D.503_30;
D.505_32 = D.504_31 + 1;
if (ivtmp.3_20 == D.505_32) goto <L12>; else goto <L8>;
# SUCC: 3 [11.0%] (loop_exit,true,exec) 2 [89.0%] (dfs_back,false,exec)
# BLOCK 3
# PRED: 2 [11.0%] (loop_exit,true,exec)
# ivtmp.3_24 = PHI <ivtmp.3_20(2)>;
<L12>:;
D.496_21 = 1;
D.497_22 = ivtmp.3_12 + 2;
lsm_tmp.2_23 = (int4) D.497_22;
lsm_tmp.2_19 = lsm_tmp.2_23;
# j_7 = V_MUST_DEF <j_6>;
j = lsm_tmp.2_23;
# SUCC: 4 [100.0%] (fallthru)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19038
next prev parent reply other threads:[~2005-01-21 13:27 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-16 15:52 [Bug rtl-optimization/19038] New: Loop header copying dje at gcc dot gnu dot org
2004-12-16 21:39 ` [Bug rtl-optimization/19038] " dje at gcc dot gnu dot org
2004-12-16 22:55 ` steven at gcc dot gnu dot org
2004-12-17 4:04 ` pinskia at gcc dot gnu dot org
2004-12-17 4:05 ` pinskia at gcc dot gnu dot org
2004-12-17 4:16 ` pinskia at gcc dot gnu dot org
2004-12-17 4:28 ` pinskia at gcc dot gnu dot org
2004-12-20 18:25 ` [Bug tree-optimization/19038] [4.0 Regression] out-of ssa causing loops to have more than one BB pinskia at gcc dot gnu dot org
2004-12-20 19:04 ` pinskia at gcc dot gnu dot org
2004-12-20 19:23 ` pinskia at gcc dot gnu dot org
2004-12-20 19:47 ` pinskia at gcc dot gnu dot org
2004-12-22 19:03 ` steven at gcc dot gnu dot org
2004-12-23 2:41 ` pinskia at gcc dot gnu dot org
2004-12-23 15:19 ` dje at gcc dot gnu dot org
2004-12-23 16:00 ` steven at gcc dot gnu dot org
2004-12-24 12:13 ` mustafa at il dot ibm dot com
2004-12-24 12:42 ` steven at gcc dot gnu dot org
2004-12-24 12:46 ` steven at gcc dot gnu dot org
2004-12-24 12:52 ` steven at gcc dot gnu dot org
2004-12-24 12:55 ` steven at gcc dot gnu dot org
2004-12-26 1:09 ` dberlin at gcc dot gnu dot org
2004-12-26 15:06 ` pinskia at gcc dot gnu dot org
2004-12-27 21:08 ` law at redhat dot com
2004-12-28 8:22 ` law at redhat dot com
2004-12-28 9:18 ` law at redhat dot com
2004-12-28 23:32 ` law at redhat dot com
2004-12-29 19:33 ` steven at gcc dot gnu dot org
2004-12-29 20:50 ` pinskia at gcc dot gnu dot org
2004-12-29 20:52 ` pinskia at gcc dot gnu dot org
2004-12-29 21:06 ` law at redhat dot com
2004-12-30 17:27 ` pinskia at gcc dot gnu dot org
2004-12-30 18:39 ` law at redhat dot com
2004-12-30 18:49 ` pinskia at gcc dot gnu dot org
2004-12-30 21:51 ` pinskia at gcc dot gnu dot org
2005-01-04 4:04 ` law at redhat dot com
2005-01-04 4:10 ` pinskia at gcc dot gnu dot org
2005-01-10 20:02 ` pinskia at gcc dot gnu dot org
2005-01-12 13:34 ` amacleod at redhat dot com
2005-01-18 0:50 ` [Bug tree-optimization/19038] [4.0 Regression] ivopts " pinskia at gcc dot gnu dot org
2005-01-18 5:02 ` law at redhat dot com
2005-01-19 22:50 ` cvs-commit at gcc dot gnu dot org
2005-01-19 23:25 ` [Bug tree-optimization/19038] [4.0 Regression] out of ssa " pinskia at gcc dot gnu dot org
2005-01-19 23:34 ` pinskia at gcc dot gnu dot org
2005-01-20 0:31 ` pinskia at gcc dot gnu dot org
2005-01-20 0:47 ` pinskia at gcc dot gnu dot org
2005-01-20 1:15 ` pinskia at gcc dot gnu dot org
2005-01-21 13:18 ` steven at gcc dot gnu dot org
2005-01-21 13:22 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-21 13:27 ` steven at gcc dot gnu dot org [this message]
2005-01-21 13:29 ` [Bug tree-optimization/19038] [4.0 Regression] tree-ssa " steven at gcc dot gnu dot org
2005-01-21 19:19 ` dberlin at gcc dot gnu dot org
2005-01-22 1:51 ` dberlin at gcc dot gnu dot org
2005-01-22 16:48 ` cvs-commit at gcc dot gnu dot org
2005-01-22 16:49 ` dberlin at gcc dot gnu dot org
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