在 2022/11/15 下午5:17, Xi Ruoyao 写道:
On Sat, 2022-11-12 at 17:45 +0800, Xi Ruoyao via Gcc-patches wrote:
void prefetch(char *ptr, int off)
{
return __builtin_prefetch(ptr + off);
}
It's compiled to "preldx 0,$r4,$r5". I don't think it's correct
because
according to the doc, rk should
On Sat, 2022-11-12 at 17:45 +0800, Xi Ruoyao via Gcc-patches wrote:
> void prefetch(char *ptr, int off)
> {
> return __builtin_prefetch(ptr + off);
> }
>
> It's compiled to "preldx 0,$r4,$r5". I don't think it's correct
> because
> according to the doc, rk should contains several bit-fiel
On Sat, 2022-11-12 at 15:37 +0800, Lulu Cheng wrote:
> Co-Authored-By: xujiahao
>
> gcc/ChangeLog:
>
> * config/loongarch/loongarch-def.c: Initial number of parallel
> prefetch.
> * config/loongarch/loongarch-tune.h (struct loongarch_cache):
> Define number of parallel pr
