| Message ID | 1297348008.23730.23.camel@otta |
|---|---|
| State | New |
| Headers | show |
On Thu, Feb 10, 2011 at 9:26 AM, Peter Bergner <bergner@vnet.ibm.com> wrote: > This patch changes the default processor tuning for powerpc64-linux builds > to POWER7. This passed bootstrapping and regtesting. Ok for mainline? > > Peter > > * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to > PROCESSOR_POWER7. > (PROCESSOR_DEFAULT64): Likewise. Okay. Thanks, David
On Thu, 2011-02-10 at 11:08 -0500, David Edelsohn wrote: > On Thu, Feb 10, 2011 at 9:26 AM, Peter Bergner <bergner@vnet.ibm.com> wrote: > > This patch changes the default processor tuning for powerpc64-linux builds > > to POWER7. This passed bootstrapping and regtesting. Ok for mainline? > > > > Peter > > > > * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to > > PROCESSOR_POWER7. > > (PROCESSOR_DEFAULT64): Likewise. > > Okay. Thanks, committed as revision 170015. Peter
On Thu, 10 Feb 2011, Peter Bergner wrote: > This patch changes the default processor tuning for powerpc64-linux > builds to POWER7. This passed bootstrapping and regtesting. Ok for > mainline? Any chance you can update the release notes at http://gcc.gnu.org/gcc-4.6/changes.html accordingly? Gerald
On Fri, Feb 11, 2011 at 6:02 PM, Gerald Pfeifer <gerald@pfeifer.com> wrote: > On Thu, 10 Feb 2011, Peter Bergner wrote: >> This patch changes the default processor tuning for powerpc64-linux >> builds to POWER7. This passed bootstrapping and regtesting. Ok for >> mainline? > > Any chance you can update the release notes at > http://gcc.gnu.org/gcc-4.6/changes.html accordingly? Gerald, Is the appended website patch okay? Thanks, David Index: changes.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.6/changes.html,v retrieving revision 1.114 diff -c -p -r1.114 changes.html *** changes.html 10 Feb 2011 01:01:42 -0000 1.114 --- changes.html 15 Feb 2011 16:18:41 -0000 *************** supported on several Xilinx Spartan and *** 845,850 **** --- 845,854 ---- instructions. If the VSX instruction set is available, you can now use the new builtin functions <code>vec_vsx_ld</code> and <code>vec_vsx_st</code> which always generates the VSX memory instructions.</li> + <li>The GCC compiler on AIX now defaults to a process layout with a + larger data space allowing larger programs to be compiled.</li> + <li>The default processor scheduling model and tuning for PowerPC64 + Linux and for AIX 6.1 and above now is POWER7.</li> </ul> <h3>S/390, zSeries and System z9/z10, IBM zEnterprise z196</h3>
On Tue, 15 Feb 2011, David Edelsohn wrote: > Is the appended website patch okay? This looks good, with one change: I believe Linux should be GNU/Linux, or is this really only refering to the kernel and not a distribution? > + <li>The GCC compiler on AIX now defaults to a process layout with a > + larger data space allowing larger programs to be compiled.</li> > + <li>The default processor scheduling model and tuning for PowerPC64 > + Linux and for AIX 6.1 and above now is POWER7.</li> And perhaps just say "GCC on AIX"? In any case, nice changes to the compiler. Thanks, Gerald
On Tue, Feb 15, 2011 at 9:21 PM, Gerald Pfeifer <gerald@pfeifer.com> wrote: > On Tue, 15 Feb 2011, David Edelsohn wrote: >> Is the appended website patch okay? > > This looks good, with one change: I believe Linux should be GNU/Linux, > or is this really only refering to the kernel and not a distribution? > >> + <li>The GCC compiler on AIX now defaults to a process layout with a >> + larger data space allowing larger programs to be compiled.</li> >> + <li>The default processor scheduling model and tuning for PowerPC64 >> + Linux and for AIX 6.1 and above now is POWER7.</li> > > And perhaps just say "GCC on AIX"? I wanted to distinguish that the process layout refers to the compiler itself, not to the applications produced by the compiler. - David
On Wed, 16 Feb 2011, David Edelsohn wrote: >>> + <li>The GCC compiler on AIX now defaults to a process layout with a >>> + larger data space allowing larger programs to be compiled.</li> >> And perhaps just say "GCC on AIX"? > I wanted to distinguish that the process layout refers to the compiler > itself, not to the applications produced by the compiler. And you did say that. My bad, the text is actually quite clear. Gerald
Index: config/rs6000/linux64.h =================================================================== --- config/rs6000/linux64.h (revision 169982) +++ config/rs6000/linux64.h (working copy) @@ -73,9 +73,9 @@ extern int dot_symbols; #endif #undef PROCESSOR_DEFAULT -#define PROCESSOR_DEFAULT PROCESSOR_POWER6 +#define PROCESSOR_DEFAULT PROCESSOR_POWER7 #undef PROCESSOR_DEFAULT64 -#define PROCESSOR_DEFAULT64 PROCESSOR_POWER6 +#define PROCESSOR_DEFAULT64 PROCESSOR_POWER7 /* We don't need to generate entries in .fixup, except when -mrelocatable or -mrelocatable-lib is given. */