| Message ID | 54770654.7050803@arm.com |
|---|---|
| State | New |
| Headers | show |
On 27/11/14 11:09, Kyrill Tkachov wrote: > > On 27/11/14 08:52, Ramana Radhakrishnan wrote: >> On Thu, Nov 13, 2014 at 5:25 PM, Kyrill Tkachov <kyrylo.tkachov@arm.com> wrote: >>> Hi all, >>> >>> This patch adds support for the Cortex-A17 processor to the arm backend. >>> Cortex-A17 is an ARMv7ve core with the same architectural features as the >>> Cortex-A7, A12 and A15 cores. >>> The -m{tune, cpu}=cortex-a17 option is added and a pipeline description for >>> instruction scheduling is provided. >>> This has given an uplift over -mcpu=cortex-a15 tuning on a number of >>> benchmarks. >>> >>> The patch is fairly self-contained with the bulk of the diffstat being the >>> pipeline description files. >>> >>> Bootstrapped and tested on arm-none-linux-gnueabihf. >>> >>> Ok for trunk? >>> >> Ok with documentation update in invoke.texi and an entry for changes.html > > Hi Ramana, > > Thanks for the review. The invoke.texi changes were posted and approved > at https://gcc.gnu.org/ml/gcc-patches/2014-11/msg02683.html > and I'm attaching the proposed changes.html patch. Ok thanks. Ramana > > Kyrill > >> >> Ramana >> >>> Thanks, >>> Kyrill >>> >>> 2014-11-13 Kyrylo Tkachov <kyrylo.tkachov@arm.com> >>> >>> * config/arm/arm.md (generic_sched): Specify cortexa17 in 'no' list. >>> Include cortex-a17.md. >>> * config/arm/arm.c (arm_issue_rate): Specify 2 for cortexa17. >>> * config/arm/arm-cores.def (cortex-a17): New entry. >>> * config/arm/arm-tables.opt: Regenerate. >>> * config/arm/arm-tune.md: Regenerate. >>> * config/arm/bpabi.h (BE8_LINK_SPEC): Specify mcpu=cortex-a17. >>> * config/arm/cortex-a17.md: New file. >>> * config/arm/cortex-a17-neon.md: New file. >>> * config/arm/driver-arm.c (arm_cpu_table): Add entry for cortex-a17. >>> * config/arm/t-aprofile: Add cortex-a17 entries to MULTILIB_MATCHES. >
Index: htdocs/gcc-5/changes.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-5/changes.html,v retrieving revision 1.43 diff -U 3 -r1.43 changes.html --- htdocs/gcc-5/changes.html 27 Nov 2014 09:50:04 -0000 1.43 +++ htdocs/gcc-5/changes.html 27 Nov 2014 09:57:19 -0000 @@ -398,6 +398,14 @@ configure option with either of <code>--with-tune</code> or <code>--with-arch</code>. </li> + <li> Support for the Cortex-A17 processor has been added through the + <code>-mcpu=cortex-a17</code> and <code>-mtune=cortex-a17</code> options. + </li> + <li> Initial big.LITTLE tuning support for the combination of Cortex-A17 + and Cortex-A7 was added through the <code>-mcpu=cortex-a17.cortex-a7 + </code> and <code>-mtune=cortex-a17.cortex-a7</code> options. + </li> + </ul> <h3 id="x86">IA-32/x86-64</h3>