Re: dejagnu multilib options and dg-{add|additional-}options

2013-09-24 Thread Vidya Praveen
On Tue, Aug 27, 2013 at 04:34:09PM +0100, Janis Johnson wrote: > On 08/27/2013 06:52 AM, Marcus Shawcroft wrote: > > On 23 July 2013 17:40, Janis Johnson wrote: > >> On 07/22/2013 02:59 AM, Vidya Praveen wrote: > >>> Hello, > >>> > >>> There are 42 test files (25 under gcc.dg) that specifies > >>>

Re: g++ -Wl,--as-needed -pthread behaviour

2013-09-24 Thread Jonathan Wakely
On 24 September 2013 02:22, Alan Modra wrote: > > Try compiling that testcase with -static rather than -Wl,--as-needed. > You'll hit std::system_error just like you do here. I believe that is > a libstdc++ bug, and can be solved by making libstdc++.a use strong > references to pthread symbols from

Re: g++ -Wl,--as-needed -pthread behaviour

2013-09-24 Thread Jakub Jelinek
On Tue, Sep 24, 2013 at 01:13:53PM +0100, Jonathan Wakely wrote: > > Try compiling that testcase with -static rather than -Wl,--as-needed. > > You'll hit std::system_error just like you do here. I believe that is > > a libstdc++ bug, and can be solved by making libstdc++.a use strong > > reference

Re: g++ -Wl,--as-needed -pthread behaviour

2013-09-24 Thread Jonathan Wakely
On 24 September 2013 13:24, Jakub Jelinek wrote: > On Tue, Sep 24, 2013 at 01:13:53PM +0100, Jonathan Wakely wrote: >> It's the std::thread constructor template that needs pthread_create. >> std::thread::join() needs pthread_join. > > Are any references to that needed in libstdc++.so.6, or just in

Re: g++ -Wl,--as-needed -pthread behaviour

2013-09-24 Thread Jakub Jelinek
On Tue, Sep 24, 2013 at 01:34:52PM +0100, Jonathan Wakely wrote: > On 24 September 2013 13:24, Jakub Jelinek wrote: > > On Tue, Sep 24, 2013 at 01:13:53PM +0100, Jonathan Wakely wrote: > >> It's the std::thread constructor template that needs pthread_create. > >> std::thread::join() needs pthread_j

Re: g++ -Wl,--as-needed -pthread behaviour

2013-09-24 Thread Jonathan Wakely
On 24 September 2013 13:45, Jakub Jelinek wrote: > On Tue, Sep 24, 2013 at 01:34:52PM +0100, Jonathan Wakely wrote: >> On 24 September 2013 13:24, Jakub Jelinek wrote: >> > On Tue, Sep 24, 2013 at 01:13:53PM +0100, Jonathan Wakely wrote: >> >> It's the std::thread constructor template that needs pt

Re: [RFC] Vectorization of indexed elements

2013-09-24 Thread Vidya Praveen
On Tue, Sep 10, 2013 at 09:25:32AM +0100, Richard Biener wrote: > On Mon, 9 Sep 2013, Marc Glisse wrote: > > > On Mon, 9 Sep 2013, Vidya Praveen wrote: > > > > > Hello, > > > > > > This post details some thoughts on an enhancement to the vectorizer that > > > could take advantage of the SIMD ins

GNU Toolchain on Google+ and Twitter

2013-09-24 Thread David Edelsohn
I have established Google+ and Twitter pages for the GNU Toolchain (GCC, Binutils, GDB) as additional, un-official communication channels for announcements and highlights of interesting mailing list discussions. https://plus.google.com/108467477471815191158 https://twitter.com/gnutools Anyone in

Re: GNU Toolchain on Google+ and Twitter

2013-09-24 Thread Marek Polacek
On Tue, Sep 24, 2013 at 11:33:31AM -0400, David Edelsohn wrote: > I have established Google+ and Twitter pages for the GNU Toolchain > (GCC, Binutils, GDB) as additional, un-official communication channels > for announcements and highlights of interesting mailing list > discussions. > > https://pl

Re: GNU Toolchain on Google+ and Twitter

2013-09-24 Thread Joseph S. Myers
On Tue, 24 Sep 2013, David Edelsohn wrote: > I have established Google+ and Twitter pages for the GNU Toolchain > (GCC, Binutils, GDB) as additional, un-official communication channels What about covering glibc there as well? -- Joseph S. Myers jos...@codesourcery.com

Re: [RFC] Vectorization of indexed elements

2013-09-24 Thread Vidya Praveen
On Mon, Sep 09, 2013 at 07:02:52PM +0100, Marc Glisse wrote: > On Mon, 9 Sep 2013, Vidya Praveen wrote: > > > Hello, > > > > This post details some thoughts on an enhancement to the vectorizer that > > could take advantage of the SIMD instructions that allows indexed element > > as an operand thus

Re: GNU Toolchain on Google+ and Twitter

2013-09-24 Thread David Edelsohn
On Tue, Sep 24, 2013 at 11:54 AM, Joseph S. Myers wrote: > On Tue, 24 Sep 2013, David Edelsohn wrote: > >> I have established Google+ and Twitter pages for the GNU Toolchain >> (GCC, Binutils, GDB) as additional, un-official communication channels > > What about covering glibc there as well? I wi

Re: GNU Toolchain on Google+ and Twitter

2013-09-24 Thread Diego Novillo
On Tue, Sep 24, 2013 at 11:33 AM, David Edelsohn wrote: > I have established Google+ and Twitter pages for the GNU Toolchain > (GCC, Binutils, GDB) as additional, un-official communication channels > for announcements and highlights of interesting mailing list > discussions. Thanks David. Defini

Re: GNU Toolchain on Google+ and Twitter

2013-09-24 Thread Andrew Pinski
On Tue, Sep 24, 2013 at 10:38 AM, Diego Novillo wrote: > On Tue, Sep 24, 2013 at 11:33 AM, David Edelsohn wrote: >> I have established Google+ and Twitter pages for the GNU Toolchain >> (GCC, Binutils, GDB) as additional, un-official communication channels >> for announcements and highlights of i

Re: Question about clobbering registers in prologue/epilogue code

2013-09-24 Thread Steve Ellcey
On Fri, 2013-09-20 at 07:39 +0100, Richard Sandiford wrote: > Well, it's really backend code that works out what registers need > to be saved and restored, although it's based on generic information. > So it should just be a case of making mips_save_reg_p return true for > all FP registers in an f

Re: Question about clobbering registers in prologue/epilogue code

2013-09-24 Thread Richard Sandiford
Steve Ellcey writes: > On Fri, 2013-09-20 at 07:39 +0100, Richard Sandiford wrote: >> Well, it's really backend code that works out what registers need >> to be saved and restored, although it's based on generic information. >> So it should just be a case of making mips_save_reg_p return true for

Re: g++ -Wl,--as-needed -pthread behaviour

2013-09-24 Thread Alan Modra
On Tue, Sep 24, 2013 at 01:13:53PM +0100, Jonathan Wakely wrote: > On 24 September 2013 02:22, Alan Modra wrote: > > > > Try compiling that testcase with -static rather than -Wl,--as-needed. > > You'll hit std::system_error just like you do here. I believe that is > > a libstdc++ bug, and can be s