RE: [PATCH][GCC] aarch64: enable cortex-a710 CPU

[Kyrylo Tkachov via Gcc-patches]

> -----Original Message-----
> From: Przemyslaw Wirkus <przemyslaw.wir...@arm.com>
> Sent: Wednesday, September 22, 2021 9:37 AM
> To: gcc-patches@gcc.gnu.org
> Cc: Richard Earnshaw <richard.earns...@arm.com>; Richard Sandiford
> <richard.sandif...@arm.com>; Marcus Shawcroft
> <marcus.shawcr...@arm.com>; Kyrylo Tkachov <kyrylo.tkac...@arm.com>
> Subject: [PATCH][GCC] aarch64: enable cortex-a710 CPU
> 
> Patch is adding 'cortex-a710' to -mcpu command line option.
> 
> gcc/ChangeLog:
> 
> 2021-09-02  Przemyslaw Wirkus  <przemyslaw.wir...@arm.com>
> 
>       * config/aarch64/aarch64-cores.def (AARCH64_CORE): New
>       Cortex-A710 core.
>       * config/aarch64/aarch64-tune.md: Regenerate.
>       * doc/invoke.texi: Update docs.

diff --git a/gcc/config/aarch64/aarch64-cores.def 
b/gcc/config/aarch64/aarch64-cores.def
index 
478f7e1c8145365f42f43ad94d90c633aae66ebd..a8027e92fa8f7554e2b19d00f7c85c6ed48a92e5
 100644
--- a/gcc/config/aarch64/aarch64-cores.def
+++ b/gcc/config/aarch64/aarch64-cores.def
@@ -166,4 +166,6 @@ AARCH64_CORE("cortex-r82", cortexr82, cortexa53, 8R, 
AARCH64_FL_FOR_ARCH8_R, cor
 /* Arm ('A') cores. */
 AARCH64_CORE("cortex-a510",  cortexa510, cortexa55, 9A,  AARCH64_FL_FOR_ARCH9 
| AARCH64_FL_SVE2_BITPERM | AARCH64_FL_MEMTAG | AARCH64_FL_I8MM | 
AARCH64_FL_BF16, neoversen2, 0x41, 0xd46, -1)
 
+AARCH64_CORE("cortex-a710",  cortexa710, cortexa55, 9A,  AARCH64_FL_FOR_ARCH9 
| AARCH64_FL_SVE2_BITPERM | AARCH64_FL_MEMTAG | AARCH64_FL_I8MM | 
AARCH64_FL_BF16, neoversen2, 0x41, 0xd47, -1)
+

Again, we'd need to revisit big-core scheduling properly at some point, but for 
now I think for the scheduling field (3rd) we should use cortexa57 rather than 
cortexa55.
Ok with that change.
Thanks,
Kyrill