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* [Bug target/66224] New: PowerPC _GLIBCXX_READ_MEM_BARRIER too weak
@ 2015-05-20 16:55 dje at gcc dot gnu.org
2015-05-20 16:57 ` [Bug target/66224] " dje at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: dje at gcc dot gnu.org @ 2015-05-20 16:55 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66224
Bug ID: 66224
Summary: PowerPC _GLIBCXX_READ_MEM_BARRIER too weak
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: dje at gcc dot gnu.org
Target Milestone: ---
_GLIBCXX_READ_MEM_BARRIER should be lwsync on PowerPC for acquire barrier
(fence), not isync.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/66224] PowerPC _GLIBCXX_READ_MEM_BARRIER too weak
2015-05-20 16:55 [Bug target/66224] New: PowerPC _GLIBCXX_READ_MEM_BARRIER too weak dje at gcc dot gnu.org
@ 2015-05-20 16:57 ` dje at gcc dot gnu.org
2015-05-21 17:19 ` dje at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: dje at gcc dot gnu.org @ 2015-05-20 16:57 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66224
David Edelsohn <dje at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |powerpc*-*-*
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-05-20
CC| |bergner at gcc dot gnu.org,
| |munroesj at us dot ibm.com,
| |seurer at us dot ibm.com,
| |wschmidt at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from David Edelsohn <dje at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/66224] PowerPC _GLIBCXX_READ_MEM_BARRIER too weak
2015-05-20 16:55 [Bug target/66224] New: PowerPC _GLIBCXX_READ_MEM_BARRIER too weak dje at gcc dot gnu.org
2015-05-20 16:57 ` [Bug target/66224] " dje at gcc dot gnu.org
@ 2015-05-21 17:19 ` dje at gcc dot gnu.org
2015-05-22 12:43 ` dje at gcc dot gnu.org
2015-05-22 13:03 ` dje at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: dje at gcc dot gnu.org @ 2015-05-21 17:19 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66224
--- Comment #2 from David Edelsohn <dje at gcc dot gnu.org> ---
Author: dje
Date: Thu May 21 17:18:25 2015
New Revision: 223496
URL: https://gcc.gnu.org/viewcvs?rev=223496&root=gcc&view=rev
Log:
PR target/66224
* config/cpu/powerpc/atomic_word.h (_GLIBCXX_READ_MEM_BARRIER):
Don't use isync. Use lwsync if available.
* configure.host (atomic_word_dir) [aix[56789]*]: Delete to use
powerpc cpu definition.
Modified:
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/config/cpu/powerpc/atomic_word.h
trunk/libstdc++-v3/configure.host
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/66224] PowerPC _GLIBCXX_READ_MEM_BARRIER too weak
2015-05-20 16:55 [Bug target/66224] New: PowerPC _GLIBCXX_READ_MEM_BARRIER too weak dje at gcc dot gnu.org
2015-05-20 16:57 ` [Bug target/66224] " dje at gcc dot gnu.org
2015-05-21 17:19 ` dje at gcc dot gnu.org
@ 2015-05-22 12:43 ` dje at gcc dot gnu.org
2015-05-22 13:03 ` dje at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: dje at gcc dot gnu.org @ 2015-05-22 12:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66224
--- Comment #3 from David Edelsohn <dje at gcc dot gnu.org> ---
Author: dje
Date: Fri May 22 12:43:02 2015
New Revision: 223554
URL: https://gcc.gnu.org/viewcvs?rev=223554&root=gcc&view=rev
Log:
PR target/66224
* config/cpu/powerpc/atomic_word.h (_GLIBCXX_READ_MEM_BARRIER):
Don't use isync. Use lwsync if available.
* configure.host (atomic_word_dir) [aix[56789]*]: Delete to use
powerpc cpu definition.
Modified:
branches/gcc-5-branch/libstdc++-v3/ChangeLog
branches/gcc-5-branch/libstdc++-v3/config/cpu/powerpc/atomic_word.h
branches/gcc-5-branch/libstdc++-v3/configure.host
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/66224] PowerPC _GLIBCXX_READ_MEM_BARRIER too weak
2015-05-20 16:55 [Bug target/66224] New: PowerPC _GLIBCXX_READ_MEM_BARRIER too weak dje at gcc dot gnu.org
` (2 preceding siblings ...)
2015-05-22 12:43 ` dje at gcc dot gnu.org
@ 2015-05-22 13:03 ` dje at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: dje at gcc dot gnu.org @ 2015-05-22 13:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66224
--- Comment #4 from David Edelsohn <dje at gcc dot gnu.org> ---
Author: dje
Date: Fri May 22 13:02:34 2015
New Revision: 223564
URL: https://gcc.gnu.org/viewcvs?rev=223564&root=gcc&view=rev
Log:
PR target/66224
* config/cpu/powerpc/atomic_word.h (_GLIBCXX_READ_MEM_BARRIER):
Don't use isync. Use lwsync if available.
Modified:
branches/gcc-4_9-branch/libstdc++-v3/ChangeLog
branches/gcc-4_9-branch/libstdc++-v3/config/cpu/powerpc/atomic_word.h
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2015-05-22 13:03 UTC | newest]
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2015-05-20 16:55 [Bug target/66224] New: PowerPC _GLIBCXX_READ_MEM_BARRIER too weak dje at gcc dot gnu.org
2015-05-20 16:57 ` [Bug target/66224] " dje at gcc dot gnu.org
2015-05-21 17:19 ` dje at gcc dot gnu.org
2015-05-22 12:43 ` dje at gcc dot gnu.org
2015-05-22 13:03 ` dje at gcc dot gnu.org
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