Re: libgo patch committed: Update to Go1.16beta1 release

[Ian Lance Taylor via Gcc-patches]

On Fri, Jan 1, 2021 at 1:32 AM Andreas Schwab <sch...@linux-m68k.org> wrote:
>
> --- a/libgo/go/internal/cpu/cpu_gccgo.c
> +++ b/libgo/go/internal/cpu/cpu_gccgo.c
> @@ -200,3 +200,29 @@ struct queryResult kdsaQuery() {
>  }
>
>  #endif /* defined(__s390x__)  */
> +
> +#ifdef __aarch64__
> +
> +uint64_t getisar0(void)
> +  __asm__(GOSYM_PREFIX "internal_1cpu.getisar0")
> +  __attribute__((no_split_stack));
> +
> +uint64_t getisar0() {
> +       uint64_t isar0;
> +
> +       __asm__("mrs %0,id_aa64isar0_el1" : "=r"(isar0));
> +       return isar0;
> +}
> +
> +uint64_t getMIDR(void)
> +  __asm__(GOSYM_PREFIX "internal_1cpu.getMIDR")
> +  __attribute__((no_split_stack));
> +
> +uint64_t getMIDR() {
> +       uint64_t MIDR;
> +
> +       __asm__("mrs %0,midr_el1" : "=r"(MIDR));
> +       return MIDR;
> +}
> +
> +#endif /* defined(__aarch64__) */


Thanks!

Committed to mainline.

Ian