One more patch to fix the preprocessor conditions, this time to fix
--disable-threads builds.
Tested x86_64-linux, committed to trunk.
commit 911783907e5482c09d80fd8a5e3b5aa6d2b891d3
Author: Jonathan Wakely
Date: Sat Jan 31 22:01:43 2015 +
* src/c++11/futex.cc: Do not define for gthr
On 01/18/2015 05:19 AM, Jonathan Wakely wrote:
> On 17/01/15 19:51 -0700, Sandra Loosemore wrote:
>> On 01/17/2015 03:58 PM, Jonathan Wakely wrote:
>>>
>>> My fault, this additional chunk is needed alongside the patch I sent
>>> earlier:
>>>
>>> --- a/libstdc++-v3/include/bits/atomic_futex.h
>>> ++
On 16/01/15 18:00 +0100, Torvald Riegel wrote:
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ bool
+ __atomic_futex_unsigned_base::_M_futex_wait_until(unsigned *__addr,
+ unsigned __val,
+ bool __has_timeout, chrono::seconds __s, chrono::nanosecon
On 18/01/15 13:19 +, Jonathan Wakely wrote:
On 17/01/15 19:51 -0700, Sandra Loosemore wrote:
On 01/17/2015 03:58 PM, Jonathan Wakely wrote:
My fault, this additional chunk is needed alongside the patch I sent
earlier:
--- a/libstdc++-v3/include/bits/atomic_futex.h
+++ b/libstdc++-v3/inclu
On 17/01/15 19:51 -0700, Sandra Loosemore wrote:
On 01/17/2015 03:58 PM, Jonathan Wakely wrote:
My fault, this additional chunk is needed alongside the patch I sent
earlier:
--- a/libstdc++-v3/include/bits/atomic_futex.h
+++ b/libstdc++-v3/include/bits/atomic_futex.h
@@ -35,7 +35,7 @@
#include
On 01/17/2015 03:58 PM, Jonathan Wakely wrote:
My fault, this additional chunk is needed alongside the patch I sent
earlier:
--- a/libstdc++-v3/include/bits/atomic_futex.h
+++ b/libstdc++-v3/include/bits/atomic_futex.h
@@ -35,7 +35,7 @@
#include
#include
#include
-#if !defined(_GLIBCXX_HAVE_
On 17/01/15 15:54 -0700, Sandra Loosemore wrote:
On 01/17/2015 03:36 PM, Jonathan Wakely wrote:
On 17/01/15 15:22 -0700, Sandra Loosemore wrote:
[snip snip]
I'm getting a different series of build errors with this patch --
starting with
In file included from
/scratch/sandra/arm-fsf2/src/gcc-ma
On 01/17/2015 03:36 PM, Jonathan Wakely wrote:
On 17/01/15 15:22 -0700, Sandra Loosemore wrote:
[snip snip]
I'm getting a different series of build errors with this patch --
starting with
In file included from
/scratch/sandra/arm-fsf2/src/gcc-mainline/libstdc++-v3/src/c++11/futex.cc:27:0:
/scr
On 17/01/15 15:22 -0700, Sandra Loosemore wrote:
On 01/17/2015 01:23 PM, Jonathan Wakely wrote:
On 17/01/15 12:59 -0700, Sandra Loosemore wrote:
Re:
On 17/01/15 01:45 -0500, Hans-Peter Nilsson wrote:
On Fri, 16 Jan 2015, pins...@gmail.com wrote:
On Jan 16, 2015, at 9:57 PM, David Edelsohn
On 01/17/2015 01:23 PM, Jonathan Wakely wrote:
On 17/01/15 12:59 -0700, Sandra Loosemore wrote:
Re:
On 17/01/15 01:45 -0500, Hans-Peter Nilsson wrote:
On Fri, 16 Jan 2015, pins...@gmail.com wrote:
On Jan 16, 2015, at 9:57 PM, David Edelsohn
wrote:
This patch has broken bootstrap on AIX
Ma
On 17/01/15 12:59 -0700, Sandra Loosemore wrote:
Re:
On 17/01/15 01:45 -0500, Hans-Peter Nilsson wrote:
On Fri, 16 Jan 2015, pins...@gmail.com wrote:
On Jan 16, 2015, at 9:57 PM, David Edelsohn wrote:
This patch has broken bootstrap on AIX
May I mention that this really should have been te
Re:
On 17/01/15 01:45 -0500, Hans-Peter Nilsson wrote:
On Fri, 16 Jan 2015, pins...@gmail.com wrote:
> On Jan 16, 2015, at 9:57 PM, David Edelsohn wrote:
>
> This patch has broken bootstrap on AIX
>
> May I mention that this really should have been tested on systems
> other than x86 Linux.
I
On 17/01/15 01:45 -0500, Hans-Peter Nilsson wrote:
On Fri, 16 Jan 2015, pins...@gmail.com wrote:
> On Jan 16, 2015, at 9:57 PM, David Edelsohn wrote:
>
> This patch has broken bootstrap on AIX
>
> May I mention that this really should have been tested on systems
> other than x86 Linux.
It also
On 17 January 2015 at 06:45, Hans-Peter Nilsson wrote:
> On Fri, 16 Jan 2015, pins...@gmail.com wrote:
>> > On Jan 16, 2015, at 9:57 PM, David Edelsohn wrote:
>> >
>> > This patch has broken bootstrap on AIX
>> >
>> > May I mention that this really should have been tested on systems
>> > other th
On Fri, 16 Jan 2015, pins...@gmail.com wrote:
> > On Jan 16, 2015, at 9:57 PM, David Edelsohn wrote:
> >
> > This patch has broken bootstrap on AIX
> >
> > May I mention that this really should have been tested on systems
> > other than x86 Linux.
>
> It also broke all newlib targets too. So you c
> On Jan 16, 2015, at 9:57 PM, David Edelsohn wrote:
>
> This patch has broken bootstrap on AIX
>
> May I mention that this really should have been tested on systems
> other than x86 Linux.
It also broke all newlib targets too. So you could have tested one listed in
the sim-test web page.
This patch has broken bootstrap on AIX
May I mention that this really should have been tested on systems
other than x86 Linux.
In file included from /tmp/20150117/powerpc-ibm-aix7.1.0.0/libstdc++-v3/include/
future:44:0,
from
/nasfarm/edelsohn/src/src/libstdc++-v3/src/c++11/compa
On 16/01/15 18:00 +0100, Torvald Riegel wrote:
OK for trunk?
OK, thanks.
This patch optimizes synchronization in std::future by using atomic
operations and futexes if the latter are available, instead of the
mutex/condvar combination in the existing code. That reduces the space
overhead for futexes as well as synchronization runtime overheads.
To do that, the patch in
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