: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu dot org
GCC build triplet: powerpc64-linux
GCC host triplet: powerpc64-linux
GCC target triplet: powerpc64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi
--- Comment #2 from pthaugen at gcc dot gnu dot org 2008-11-24 22:28
---
Working fine after updating my source. Must have been fixed within the past
week.
--
pthaugen at gcc dot gnu dot org changed:
What|Removed |Added
--
pthaugen at gcc dot gnu dot org changed:
What|Removed |Added
CC||pthaugen at gcc dot gnu dot
--- Comment #2 from pthaugen at gcc dot gnu dot org 2009-06-19 14:41
---
Created an attachment (id=18024)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18024&action=view)
testcase
The attatched testcase is from cpu2006 component 464.h264ref and appears to
fail in the same
signedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu dot org
GCC build triplet: powerpc64-linux
GCC host triplet: powerpc64-linux
GCC target triplet: powerpc64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40496
--- Comment #1 from pthaugen at gcc dot gnu dot org 2009-06-19 21:32
---
Created an attachment (id=18026)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18026&action=view)
testcase
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40496
--- Comment #20 from pthaugen at gcc dot gnu dot org 2009-07-08 21:53
---
Created an attachment (id=18165)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18165&action=view)
Reduced testcase
The attatched testcase exhibits the problem with the load-hit-store. It's
re
--- Comment #22 from pthaugen at gcc dot gnu dot org 2009-07-14 21:15
---
The original problem, multi-block loop preventing movement of loads, was
reintroduced with revision 149206, Jan's CD-DCE patch to remove empty loops.
--
pthaugen at gcc dot gnu dot org ch
d at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu dot org
GCC build triplet: powerpc64*-*-*
GCC host triplet: powerpc64*-*-*
GCC target triplet: powerpc64*-*-*
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40842
--- Comment #1 from pthaugen at gcc dot gnu dot org 2009-07-23 21:33
---
Created an attachment (id=18248)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18248&action=view)
Testcase
The reduced testcase (since you can't attatch one when opening a new bz).
--- Comment #23 from pthaugen at gcc dot gnu dot org 2009-07-23 23:48
---
I opened a new bugzilla, 40482, for the Load-hit-store RA issue discussed in
comments 17-20 since that's a separate problem.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39976
mmary: Invalid insn with pre_inc
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: rtl-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu do
--- Comment #6 from pthaugen at gcc dot gnu dot org 2007-09-21 20:17
---
Subject: Bug 30113
Author: pthaugen
Date: Fri Sep 21 20:17:04 2007
New Revision: 128656
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128656
Log:
2007-09-21 Pat Haugen <[EMAI
in extract_muldiv for cpu2006 benchmark
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc
--- Comment #7 from pthaugen at gcc dot gnu dot org 2007-10-01 15:15
---
Subject: Bug 30565
Author: pthaugen
Date: Mon Oct 1 15:14:57 2007
New Revision: 128907
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128907
Log:
2007-10-01 Pat Haugen <[EMAI
--- Comment #18 from pthaugen at gcc dot gnu dot org 2007-10-10 22:28
---
I'm appear to be seeing the same thing trying to build 445.gobmk from cpu2006
on PowerPC.
run/build_base_gcc_64.> cat junk.c
int board_size;
void print_eye(int eye[400])
{
int m, n;
int mi
everity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu dot org
GCC build triplet: powerpc64-linux
GCC host triplet: powerpc64-linux
GCC target triplet: powerpc64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33742
--- Comment #11 from pthaugen at gcc dot gnu dot org 2007-10-17 16:14
---
Created an attachment (id=14364)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14364&action=view)
Testcase
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32921
--- Comment #12 from pthaugen at gcc dot gnu dot org 2007-10-17 16:18
---
And now some comments to go with the prior attatchment...
This checkin is causing a 75% degradation on leslie3d for PowerPC. As HJ
observed earlier, it depends on a second function accessing some of the global
rity: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu dot org
GCC build triplet: powerpc64-linux
GCC host triplet: powerpc64-linux
GCC target triplet: powerpc64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37194
ent: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu dot org
GCC build triplet: powerpc64-linux
GCC host triplet: powerpc64-linux
GCC target triplet: powerpc64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34976
--- Comment #60 from pthaugen at gcc dot gnu dot org 2009-02-02 19:16
---
I tried leslie3d on PPC. The alias-improvements branch does indeed seem to fix
the issue. The version of leslie3d built with the alias-improvements branch is
about 10% faster than a version built with trunk, and
--- Comment #5 from pthaugen at gcc dot gnu dot org 2009-09-09 20:23
---
Didn't mean to change the component when CC'ing myself, changing back.
--
pthaugen at gcc dot gnu dot org changed:
What|Removed
: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu dot org
GCC build triplet: powerpc64-linux
GCC host triplet: powerpc64-linux
GCC
--- Comment #7 from pthaugen at gcc dot gnu dot org 2010-02-12 23:16
---
This looks like an ira/reload bug. The ira dump is where the offending insns
first show up.
(insn 17 26 244 3 pr42431.f:27 (set (mem:V4SI (reg/f:DI 29 29 [255]) [4 S16
A128])
(reg:V4SI 108 31 [269])) 942
--- Comment #25 from pthaugen at gcc dot gnu dot org 2009-11-30 21:29
---
I am still seeing the 2-block loop using revision 154838, both 32 and 64 bit,
compile options -O3 -mcpu=power6 -funroll-loops.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39976
--- Comment #3 from pthaugen at gcc dot gnu dot org 2010-01-13 22:11
---
Created an attachment (id=19585)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19585&action=view)
Testcase
Adding a shortened executable testcase that still fails.
This looks like an aliasing issue
--- Comment #11 from pthaugen at gcc dot gnu dot org 2010-01-14 15:45
---
I'll test on PPC.
--
pthaugen at gcc dot gnu dot org changed:
What|Removed |
--- Comment #12 from pthaugen at gcc dot gnu dot org 2010-01-14 17:29
---
The first patch appeared to work, resulting in correct ordering, but the second
patch had some issues. It also corrected the original ordering, but introduced
some new incorrect code for handling the args coming
--- Comment #15 from pthaugen at gcc dot gnu dot org 2010-01-17 16:54
---
Updated patch works for testcase and bootstrap/regtest on PPC passed. Thx.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42248
--- Comment #2 from pthaugen at gcc dot gnu dot org 2010-07-14 15:11
---
Created an attachment (id=21200)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21200&action=view)
dump file
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44932
--- Comment #3 from pthaugen at gcc dot gnu dot org 2010-07-14 15:12
---
Created an attachment (id=21201)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21201&action=view)
dump file
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44932
--- Comment #4 from pthaugen at gcc dot gnu dot org 2010-07-14 18:18
---
Based on the last post in the patch thread should the patch be committed so the
testsuite failures go away and this can be closed?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42855
--- Comment #33 from pthaugen at gcc dot gnu dot org 2010-07-16 19:14
---
gcc.dg/tree-ssa/loop-19.c started failing on powerpc with -m64 between 7/5 and
7/7. The tree dump now looks like the following:
:
ivtmp.10_12 = (long unsigned int) &a[-1];
ivtmp.16_15 = (long unsigned
--- Comment #39 from pthaugen at gcc dot gnu dot org 2010-07-21 21:51
---
(In reply to comment #38)
>
> .L2:
> addi 11,8,9216
> ldx 0,10,9
> stdx 0,11,9
> addi 9,9,8
> bdnz .L2
>
> and in r161844:
>
> .L2:
>
--- Comment #3 from pthaugen at gcc dot gnu dot org 2010-09-14 20:04
---
Not sure I understand everything involved here, but isn't the test a little
suspect any time higher optimization levels and instruction scheduling are
enabled?
--
pthaugen at gcc dot gnu dot org ch
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu dot org
GCC build triplet: powerpc64-unknown-linux-gnu
GCC host triplet: powerpc64-unknown-linux-gnu
GCC target triplet: powerpc64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45671
--- Comment #3 from pthaugen at gcc dot gnu dot org 2010-09-20 20:00
---
As Steven mentioned in the mailing list, this did introduce a degradation for
cpu2000 benchmark galgel. I'm seeing about -10% on PowerPC.
--
pthaugen at gcc dot gnu dot org changed:
--- Comment #4 from pthaugen at gcc dot gnu dot org 2010-09-20 20:45
---
(In reply to comment #2)
> Created an attachment (id=21777)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21777&action=view) [edit]
> patch restoring the previous behaviour.
>
Applying thi
--- Comment #9 from pthaugen at gcc dot gnu dot org 2010-05-20 16:23
---
Spec testing went fine, differences in the noise range.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44199
--- Comment #11 from pthaugen at gcc dot gnu dot org 2010-05-20 17:59
---
No I didn't bootstrap/regtest. I can take care of trunk if you want to do 4.4.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44199
--- Comment #13 from pthaugen at gcc dot gnu dot org 2010-05-21 02:32
---
Bootstrap of trunk went fine. Regression test (contrib/test_summary) showed the
following difference between base/patched versions, but didn't have any
testcases show up in the diff, so not sure what to ma
--- Comment #22 from pthaugen at gcc dot gnu dot org 2010-05-26 15:51
---
The 4.4 patch isn't complete.
/home/gccbuild/gcc_4.4_anonsvn/gcc/gcc/config/rs6000/rs6000.c:17166: undefined
reference to `offset_below_red_zone_p'
/home/gccbuild/gcc_4.4_anonsvn/gcc/gcc/config/rs600
--- Comment #4 from pthaugen at gcc dot gnu dot org 2010-07-12 21:03
---
Adding '<>' to the "=m" constraint fixes the testcase, but adding a single '>'
(or '<') results in an error for impossible constraints. This is caused
--- Comment #5 from pthaugen at gcc dot gnu dot org 2010-07-12 21:05
---
Sorry, recog.c is where the prior code snippet came from.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44701
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: testsuite
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu dot org
GCC build triplet: powerpc64-unknown-linu
--- Comment #27 from pthaugen at gcc dot gnu dot org 2007-10-22 21:11
---
I tried a recent mainline on PowerPC for leslie3d, revision 129550 improved
over revision 129454 by 67%.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32921
--- Comment #29 from pthaugen at gcc dot gnu dot org 2007-10-23 20:29
---
Found another example on PowerPC in the same benchmark that is not fixed by
the checked in patches. Compiled with -m32 -O2. From the loop in procedure
FLUXI:
revision 126325:
.L47:
lfd
--- Comment #30 from pthaugen at gcc dot gnu dot org 2007-10-23 20:30
---
Created an attachment (id=14402)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14402&action=view)
Testcase
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32921
--- Comment #35 from pthaugen at gcc dot gnu dot org 2007-10-24 23:15
---
I reran leslie3d on PowerPC with --param max-aliased-vops=1. The result was
a 90% improvement over my prior revision 129550 run (218% improvement over the
original mainline run).
--
http://gcc.gnu.org
--- Comment #1 from pthaugen at gcc dot gnu dot org 2007-10-31 19:05
---
Looks like the -fpic/PIC/pie/PIE issue was fixed on mainline with the following
patch.
2007-09-04 Daniel Jacobowitz <[EMAIL PROTECTED]>
* config/rs6000/rs6000.c (rs6000_stack_info): Allocate spa
--- Comment #4 from pthaugen at gcc dot gnu dot org 2007-10-31 19:48
---
Subject: Bug 28966
Author: pthaugen
Date: Wed Oct 31 19:48:19 2007
New Revision: 129806
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129806
Log:
2007-10-01 Pat Haugen <[EMAI
--- Comment #7 from pthaugen at gcc dot gnu dot org 2007-10-31 19:48
---
Subject: Bug 29248
Author: pthaugen
Date: Wed Oct 31 19:48:19 2007
New Revision: 129806
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129806
Log:
2007-10-01 Pat Haugen <[EMAI
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu dot org
GCC build triplet: powerpc64-linux
GCC host triplet: powerpc64-linux
GCC target triplet: powerpc64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34087
--- Comment #1 from pthaugen at gcc dot gnu dot org 2007-11-13 21:08
---
Created an attachment (id=14549)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14549&action=view)
Testcase
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34087
--- Comment #4 from pthaugen at gcc dot gnu dot org 2008-04-18 14:47
---
Is the workaround still appropriate, and if so, can it go in 4.3 and trunk now?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34976
--- Comment #43 from pthaugen at gcc dot gnu dot org 2008-04-30 18:49
---
Created an attachment (id=15553)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15553&action=view)
Testcase
I tried a mainline with the latest patch. While we no longer have problems
with th
--- Comment #46 from pthaugen at gcc dot gnu dot org 2008-04-30 22:35
---
Just following up with comments posted on irc. The patch does fix the problem
I was seeing. Spec ratio improved from 5.18 to 9.07 with the patch (75%), not
quite the full 100% improvement I was seeing with
--- Comment #47 from pthaugen at gcc dot gnu dot org 2008-05-01 19:26
---
Created an attachment (id=15557)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15557&action=view)
Testcase
Found some more cases, which are contributing to the missing 25%. Looks like
similar co
P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pthaugen at gcc dot gnu dot org
GCC build triplet: powerpc64-linux
GCC host triplet: powerpc64-linux
GCC target triplet: powerpc64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36922
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