Arm Begins Adding Armv9 Support To The GNU Compiler Toolchain

[phoronix]

Phoronix: Arm Begins Adding Armv9 Support To The GNU Compiler Toolchain

Arm engineers have begun landing their Armv9 enablement work in the GNU compiler toolchain...

https://www.phoronix.com/scan.php?page=news_item&px=Armv9-GNU-Toolchain-Starting

[carewolf]

With the interesting part being

+#define AARCH64_ARCH_V9 AARCH64_FEATURE (AARCH64_ARCH_V8_5, \
+ AARCH64_FEATURE_SVE \
+ | AARCH64_FEATURE_SVE2 \
+ | AARCH64_FEATURE_V9

So armv9 is aarch64 only, armv8.5 + sve + sve2 + some specific new v9 features not mentioned yet.