--- Comment #5 from meissner at linux dot vnet dot ibm dot com 2010-07-08
20:11 ---
Subject: Re: C++ compiler can no longer compile dealII for
VSX/Altivec vectorization
On Thu, Jul 08, 2010 at 08:02:00PM -, jakub at gcc dot gnu dot org wrote:
>
>
> --- Commen
--- Comment #13 from meissner at linux dot vnet dot ibm dot com 2010-05-05
23:30 ---
Subject: Re: Missing DW_AT_location for a variable
On Wed, May 05, 2010 at 09:40:00PM -, jakub at gcc dot gnu dot org wrote:
>
>
> --- Comment #12 from jakub at gcc dot gnu dot org
--- Comment #8 from meissner at linux dot vnet dot ibm dot com 2010-03-22
22:29 ---
Subject: Re: Powerpc generates worse code for
-mvsx on gromacs even though there are no VSX instructions used
On Mon, Mar 22, 2010 at 10:16:56PM -, vmakarov at redhat dot com wrote
--- Comment #7 from meissner at linux dot vnet dot ibm dot com 2010-03-22
22:24 ---
Subject: Re: Powerpc generates worse code for
-mvsx on gromacs even though there are no VSX instructions used
On Mon, Mar 22, 2010 at 10:20:21PM -, vmakarov at redhat dot com wrote
--- Comment #10 from meissner at linux dot vnet dot ibm dot com 2010-02-24
21:01 ---
Subject: Re: [4.5 Regression] wrong code for
200.sixtrack with vectorization and -fdata-sections
On Tue, Feb 23, 2010 at 09:57:17PM -, bergner at gcc dot gnu dot org wrote
--- Comment #11 from meissner at linux dot vnet dot ibm dot com 2010-01-05
18:40 ---
Subject: Re: October 23rd change to tree-ssa-pre.c breaks calculix on powerpc
with -ffast-math
On Tue, Jan 05, 2010 at 04:03:17PM -, rguenther at suse dot de wrote:
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>
> --- C
--- Comment #4 from meissner at linux dot vnet dot ibm dot com 2009-12-07
18:37 ---
Subject: Re: October 23rd change to tree-ssa-pre.c breaks calculix on powerpc
with -ffast-math
On Sun, Dec 06, 2009 at 01:25:15PM -, irar at il dot ibm dot com wrote:
>
>
> --- C
--- Comment #2 from meissner at linux dot vnet dot ibm dot com 2009-12-04
21:28 ---
Subject: Re: October 23rd change to tree-ssa-pre.c breaks calculix on powerpc
with -ffast-math
On Fri, Dec 04, 2009 at 09:18:45PM -, rguenth at gcc dot gnu dot org wrote:
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>
> --
--- Comment #35 from meissner at linux dot vnet dot ibm dot com 2009-07-23
23:00 ---
Subject: Re: Powerpc bootstrap is broken due to changes in expmed.c
On Thu, Jul 23, 2009 at 10:52:01PM -, paolo dot bonzini at gmail dot com
wrote:
>
>
> --- Comment #34 from
--- Comment #17 from meissner at linux dot vnet dot ibm dot com 2009-07-08
23:42 ---
Subject: Re: [4.5 Regression] Altivec builtins have inaccurate return types
On Wed, Jul 08, 2009 at 09:04:03PM -, rguenth at gcc dot gnu dot org wrote:
>
>
> --- Comment #16 from r
--- Comment #5 from meissner at linux dot vnet dot ibm dot com 2009-06-30
04:20 ---
Subject: Re: Powerpc bootstrap is broken due to
changes in expmed.c
On Mon, Jun 29, 2009 at 09:32:47PM -, bonzini at gnu dot org wrote:
>
>
> --- Comment #1 from bonzini a
--- Comment #4 from meissner at linux dot vnet dot ibm dot com 2009-06-29
21:46 ---
Subject: Re: Powerpc bootstrap is broken due to changes in expmed.c
On Mon, Jun 29, 2009 at 09:34:02PM -, bonzini at gnu dot org wrote:
>
>
> --- Comment #2 from bonzini at gnu dot
t gcc dot gnu dot org
ReportedBy: meissner at linux dot vnet dot ibm dot com
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=40221
--- Comment #1 from meissner at linux dot vnet dot ibm dot com 2009-05-21
13:14 ---
Created an attachment (id=17898)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17898&action=view)
Patch to avoid de-referencing outside array bounds
This patch fixes the particular proble
tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: meissner at linux dot vnet dot ibm dot com
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/bug
--- Comment #1 from meissner at linux dot vnet dot ibm dot com 2009-05-19
12:35 ---
Created an attachment (id=17892)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17892&action=view)
Define PTRDIFF_TYPE, SIZE_TYPE.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40197
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: meissner at linux dot vnet dot ibm dot com
GCC build triplet: powerpc64
--- Comment #23 from meissner at linux dot vnet dot ibm dot com 2009-05-19
02:33 ---
Subject: Re: [4.5 Regression] Revision 147596 breaks bootstrap
On Tue, May 19, 2009 at 12:38:08AM -, hjl dot tools at gmail dot com wrote:
>
>
> --- Comment #22 from hjl dot tools
--- Comment #20 from meissner at linux dot vnet dot ibm dot com 2009-05-18
23:48 ---
David, as I said in my message, this patch is just papering over the problem.
While we might want to install this patch temporarily, to get the mips and
rs6000 building again, I think a better
--- Comment #16 from meissner at linux dot vnet dot ibm dot com 2009-05-18
22:56 ---
Just to chime in, the warning is a useful warning, but the way rs6000 and mips
define FRAME_GROWS_DOWNWARD, the test in toplev.c will never succeed.
I can see a couple of ways to fix this:
1) Revert
--- Comment #2 from meissner at linux dot vnet dot ibm dot com 2009-05-12
12:54 ---
Created an attachment (id=17854)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17854&action=view)
Patch to fix bootstrap error message.
Patch applied to the tree as obvious.
--
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: meissner at linux dot vnet dot ibm dot com
GCC build triplet: powerpc64-unknown-linux-gnu
GCC host triplet: powerpc64
--- Comment #6 from meissner at linux dot vnet dot ibm dot com 2009-05-10
01:05 ---
Subject: Re: [4.5 Regression] Power bootstrap is broken in building libstdc++
On Sat, May 09, 2009 at 02:44:29PM -, hubicka at ucw dot cz wrote:
>
>
> --- Comment #3 from hubicka a
--- Comment #4 from meissner at linux dot vnet dot ibm dot com 2009-05-09
15:56 ---
Subject: Re: [4.5 Regression] Power bootstrap is broken in building libstdc++
On Sat, May 09, 2009 at 02:44:29PM -, hubicka at ucw dot cz wrote:
>
>
> --- Comment #3 from hubicka a
--- Comment #1 from meissner at linux dot vnet dot ibm dot com 2009-05-09
12:36 ---
Created an attachment (id=17836)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17836&action=view)
.ii file of file in libstdc++ that causes the failure
The options needed to show this
rity: normal
Priority: P3
Component: bootstrap
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: meissner at linux dot vnet dot ibm dot com
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=40082
--- Comment #1 from meissner at linux dot vnet dot ibm dot com 2009-05-08
16:59 ---
Created an attachment (id=17827)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17827&action=view)
test case
This code is an example of the code that generates sub-optimal code.
--
--- Comment #5 from meissner at linux dot vnet dot ibm dot com 2009-05-08
17:06 ---
Created an attachment (id=17831)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17831&action=view)
Vectorizer verbose output
This is the output from the Powerpc compiler with -fdump-tr
--- Comment #4 from meissner at linux dot vnet dot ibm dot com 2009-05-08
17:04 ---
Created an attachment (id=17830)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17830&action=view)
X86_64 example code
This code was compiled with an x86_64 compiler with the -O3 -msse3
--- Comment #3 from meissner at linux dot vnet dot ibm dot com 2009-05-08
17:03 ---
Created an attachment (id=17829)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17829&action=view)
Powerpc example code
This code was compiled with -O3 -maltivec.
--
http://gcc.
--- Comment #2 from meissner at linux dot vnet dot ibm dot com 2009-05-08
17:02 ---
Created an attachment (id=17828)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17828&action=view)
Replacement test case that doesn't need -DTYPE to show the bug
Replaceme
shifts generate sub-optimal code
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: meissner at linux dot vnet
--- Comment #9 from meissner at linux dot vnet dot ibm dot com 2009-05-07
21:33 ---
Created an attachment (id=17824)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17824&action=view)
Updated patch that fixes some internal compiler errors
I discovered in further testin
--- Comment #6 from meissner at linux dot vnet dot ibm dot com 2009-05-06
20:00 ---
Created an attachment (id=17813)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17813&action=view)
More targetted patch to fix the problem
This patch is much more targeted to just make sure
--- Comment #5 from meissner at linux dot vnet dot ibm dot com 2009-05-06
19:35 ---
Subject: Re: Incorrect tree made for vector shifted by constant on powerpc,
spu
On Wed, May 06, 2009 at 07:22:25PM -, rguenth at gcc dot gnu dot org wrote:
>
>
> --- Comment #4 fro
--- Comment #2 from meissner at linux dot vnet dot ibm dot com 2009-05-06
19:19 ---
Created an attachment (id=17812)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17812&action=view)
Simplified test case
This testcase shows the problem. Without the patch, it generates a
--- Comment #1 from meissner at linux dot vnet dot ibm dot com 2009-05-06
19:08 ---
Created an attachment (id=17811)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17811&action=view)
Patch to fix vector shift by constant on machines with vector/vector shift
This patch fi
iority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: meissner at linux dot vnet dot ibm dot com
GCC build triplet: powerpc64-unknown-linux-gnu
GCC host triplet: powerpc64-unknown-linux-gnu
GCC target triplet: powerpc64-unknown
--- Comment #1 from meissner at linux dot vnet dot ibm dot com 2009-04-14
17:48 ---
Created an attachment (id=17637)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17637&action=view)
Patch to fix the tests not to use floating point equality.
--
http://gcc.gnu.org/b
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: meissner at linux dot vnet dot ibm dot com
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
--- Comment #9 from meissner at linux dot vnet dot ibm dot com 2009-03-27
21:20 ---
Subject: Re: Bad interaction of decls named 'vector' and -maltivec vector
support
On Fri, Mar 27, 2009 at 05:55:05PM -, jakub at gcc dot gnu dot org wrote:
>
>
> --- Comme
--- Comment #7 from meissner at linux dot vnet dot ibm dot com 2009-03-27
15:59 ---
Subject: Re: Bad interaction of decls named 'vector' and -maltivec vector
support
On Fri, Mar 27, 2009 at 11:18:52AM -0400, Michael Meissner wrote:
> Note, there is problem with infin
--- Comment #6 from meissner at linux dot vnet dot ibm dot com 2009-03-27
15:19 ---
Subject: Re: Bad interaction of decls named 'vector' and -maltivec vector
support
On Fri, Mar 27, 2009 at 11:09:57AM -, jakub at gcc dot gnu dot org wrote:
>
>
> --- Comme
--- Comment #4 from meissner at linux dot vnet dot ibm dot com 2009-03-26
15:43 ---
Further testing shows that this only happens if you use the -save-temps option.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39558
--- Comment #3 from meissner at linux dot vnet dot ibm dot com 2009-03-26
15:24 ---
Subject: Re: Bad interaction of decls named 'vector' and -maltivec vector
support
On Thu, Mar 26, 2009 at 02:00:49PM -, jakub at gcc dot gnu dot org wrote:
>
>
> --- Comme
--- Comment #1 from meissner at linux dot vnet dot ibm dot com 2009-03-25
23:24 ---
Created an attachment (id=17543)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17543&action=view)
Simplified test case
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39558
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: meissner at linux dot vnet dot ibm dot com
GCC build triplet: powerpc64-unknown-linux-gnu
GCC host triplet: powerpc64-unknown-linux-gnu
GCC target
--- Comment #3 from meissner at linux dot vnet dot ibm dot com 2009-02-28
01:01 ---
Created an attachment (id=17374)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17374&action=view)
This patch fixes -save-temps so that it puts the temp file in the output
directory rather t
t org
ReportedBy: meissner at linux dot vnet dot ibm dot com
GCC build triplet: x86_64-gnu-linux
GCC host triplet: x86_64-gnu-linux
GCC target triplet: powerpc64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39293
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