Arm Cortex-A710 Support Merged Into GCC 12 Compiler

Written by Michael Larabel in Arm on 11 November 2021 at 02:03 PM EST. 4 Comments
Announced back in May was the Cortex-A710 as the first-generation Armv9 "big" core and successor to the Cortex-A78. The initial Cortex-A710 support is now present in the GCC 12 code compiler.

Last month Armv9 and Cortex-A710 support began landing in the GNU Toolchain, first up with Binutils. This week the GNU Compiler Collection then introduced the -march=armv9-a targeting support and now the Cortex-A710 support has been merged.

This commit from Arm enables the Cortex-A710 support for the GCC 12 compiler with enabling Armv9 and the relevant capabilities of the processor. At least for now the A710 is making use of the older Cortex-A57 cost table / tuning. Presumably as Cortex-A710 SoCs are closer to appearing we'll see the updated tuning for this Armv9 processor with more accurate tuning.

Arm has talked up the Cortex-A710 as offering 30% more power efficiency than the Cortex-A78, up to 10% uplift in performance compared to the A78, and make full use of the Armv9-A architecture. The A710 can be paired with the likes of the Cortex-X2 and Cortex-A510 processors.

The GCC 12 compiler release with all the Armv9 goodies should be out around the start of Q2'2022.
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