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* [Bug target/42263] New: Wrong code bugs in SMP support
@ 2009-12-03 14:45 rearnsha at gcc dot gnu dot org
2009-12-03 14:46 ` [Bug target/42263] " rearnsha at gcc dot gnu dot org
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: rearnsha at gcc dot gnu dot org @ 2009-12-03 14:45 UTC (permalink / raw)
To: gcc-bugs
There are two subtle wrong code bugs in the __sync_... primitives that severely
affect code generation for linux. Both of these have been fixed on trunk.
http://gcc.gnu.org/ml/gcc-patches/2009-12/msg00198.html
http://gcc.gnu.org/ml/gcc-patches/2009-08/msg00600.html
but need back-porting to 4.4
--
Summary: Wrong code bugs in SMP support
Product: gcc
Version: 4.4.3
Status: UNCONFIRMED
Keywords: wrong-code
Severity: major
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: rearnsha at gcc dot gnu dot org
GCC target triplet: arm-none-linux-gnueabi
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42263
^ permalink raw reply [flat|nested] 8+ messages in thread* [Bug target/42263] Wrong code bugs in SMP support 2009-12-03 14:45 [Bug target/42263] New: Wrong code bugs in SMP support rearnsha at gcc dot gnu dot org @ 2009-12-03 14:46 ` rearnsha at gcc dot gnu dot org 2009-12-03 14:58 ` rearnsha at gcc dot gnu dot org ` (5 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: rearnsha at gcc dot gnu dot org @ 2009-12-03 14:46 UTC (permalink / raw) To: gcc-bugs -- rearnsha at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P2 Target Milestone|--- |4.4.4 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42263 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/42263] Wrong code bugs in SMP support 2009-12-03 14:45 [Bug target/42263] New: Wrong code bugs in SMP support rearnsha at gcc dot gnu dot org 2009-12-03 14:46 ` [Bug target/42263] " rearnsha at gcc dot gnu dot org @ 2009-12-03 14:58 ` rearnsha at gcc dot gnu dot org 2009-12-03 14:59 ` rearnsha at gcc dot gnu dot org ` (4 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: rearnsha at gcc dot gnu dot org @ 2009-12-03 14:58 UTC (permalink / raw) To: gcc-bugs -- rearnsha at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2009-12-03 14:57:59 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42263 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/42263] Wrong code bugs in SMP support 2009-12-03 14:45 [Bug target/42263] New: Wrong code bugs in SMP support rearnsha at gcc dot gnu dot org 2009-12-03 14:46 ` [Bug target/42263] " rearnsha at gcc dot gnu dot org 2009-12-03 14:58 ` rearnsha at gcc dot gnu dot org @ 2009-12-03 14:59 ` rearnsha at gcc dot gnu dot org 2009-12-10 15:23 ` ramana at gcc dot gnu dot org ` (3 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: rearnsha at gcc dot gnu dot org @ 2009-12-03 14:59 UTC (permalink / raw) To: gcc-bugs -- rearnsha at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |rearnsha at gcc dot gnu dot |dot org |org Status|NEW |ASSIGNED Last reconfirmed|2009-12-03 14:57:59 |2009-12-03 14:59:29 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42263 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/42263] Wrong code bugs in SMP support 2009-12-03 14:45 [Bug target/42263] New: Wrong code bugs in SMP support rearnsha at gcc dot gnu dot org ` (2 preceding siblings ...) 2009-12-03 14:59 ` rearnsha at gcc dot gnu dot org @ 2009-12-10 15:23 ` ramana at gcc dot gnu dot org 2009-12-11 17:38 ` ramana at gcc dot gnu dot org ` (2 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: ramana at gcc dot gnu dot org @ 2009-12-10 15:23 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from ramana at gcc dot gnu dot org 2009-12-10 15:23 ------- Fixing target milestone and version reported against. cheers Ramana -- ramana at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|4.4.4 |4.4.3 Version|4.4.3 |4.4.2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42263 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/42263] Wrong code bugs in SMP support 2009-12-03 14:45 [Bug target/42263] New: Wrong code bugs in SMP support rearnsha at gcc dot gnu dot org ` (3 preceding siblings ...) 2009-12-10 15:23 ` ramana at gcc dot gnu dot org @ 2009-12-11 17:38 ` ramana at gcc dot gnu dot org 2009-12-11 17:46 ` ramana at gcc dot gnu dot org 2009-12-11 17:46 ` ramana at gcc dot gnu dot org 6 siblings, 0 replies; 8+ messages in thread From: ramana at gcc dot gnu dot org @ 2009-12-11 17:38 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from ramana at gcc dot gnu dot org 2009-12-11 17:37 ------- Subject: Bug 42263 Author: ramana Date: Fri Dec 11 17:37:34 2009 New Revision: 155171 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155171 Log: 2009-12-11 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> PR target/42263 2009-08-11 Andrew Haley <aph@redhat.com> * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize. Modified: branches/gcc-4_4-branch/gcc/ChangeLog branches/gcc-4_4-branch/gcc/config/arm/arm.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42263 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/42263] Wrong code bugs in SMP support 2009-12-03 14:45 [Bug target/42263] New: Wrong code bugs in SMP support rearnsha at gcc dot gnu dot org ` (4 preceding siblings ...) 2009-12-11 17:38 ` ramana at gcc dot gnu dot org @ 2009-12-11 17:46 ` ramana at gcc dot gnu dot org 2009-12-11 17:46 ` ramana at gcc dot gnu dot org 6 siblings, 0 replies; 8+ messages in thread From: ramana at gcc dot gnu dot org @ 2009-12-11 17:46 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from ramana at gcc dot gnu dot org 2009-12-11 17:45 ------- Subject: Bug 42263 Author: ramana Date: Fri Dec 11 17:45:32 2009 New Revision: 155172 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155172 Log: 2009-12-11 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> PR target/42263 Backport from mainline 2009-12-03 Richard Earnshaw <rearnsha@arm.com> * arm/linux-atomic.c (SYNC_LOCK_RELEASE): Place memory barrier before the lock release. Modified: branches/gcc-4_4-branch/gcc/ChangeLog branches/gcc-4_4-branch/gcc/config/arm/linux-atomic.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42263 ^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug target/42263] Wrong code bugs in SMP support 2009-12-03 14:45 [Bug target/42263] New: Wrong code bugs in SMP support rearnsha at gcc dot gnu dot org ` (5 preceding siblings ...) 2009-12-11 17:46 ` ramana at gcc dot gnu dot org @ 2009-12-11 17:46 ` ramana at gcc dot gnu dot org 6 siblings, 0 replies; 8+ messages in thread From: ramana at gcc dot gnu dot org @ 2009-12-11 17:46 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from ramana at gcc dot gnu dot org 2009-12-11 17:46 ------- Fixed. -- ramana at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42263 ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2009-12-11 17:46 UTC | newest] Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2009-12-03 14:45 [Bug target/42263] New: Wrong code bugs in SMP support rearnsha at gcc dot gnu dot org 2009-12-03 14:46 ` [Bug target/42263] " rearnsha at gcc dot gnu dot org 2009-12-03 14:58 ` rearnsha at gcc dot gnu dot org 2009-12-03 14:59 ` rearnsha at gcc dot gnu dot org 2009-12-10 15:23 ` ramana at gcc dot gnu dot org 2009-12-11 17:38 ` ramana at gcc dot gnu dot org 2009-12-11 17:46 ` ramana at gcc dot gnu dot org 2009-12-11 17:46 ` ramana at gcc dot gnu dot org
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