Support for the LoongArch architecture instruction set has been added.
The Loongson CPU codename LA464 and LoongArch 64-bit generic CPU codename loongarch64 are supported through the -march= and -mtune= options (GCC identifiers in parentheses).
- Loongson LA464 core (la464).
- LoongArch 64-bit generic core (loongarch64).```