Re: [PATCH v2 04/21] aarch64: Add __builtin_aarch64_chkfeat

2024-11-08 Thread Yury Khrustalev
Hello Kyrill, On Thu, Oct 31, 2024 at 02:11:02PM +, Kyrylo Tkachov wrote: > > > > On 31 Oct 2024, at 14:23, Yury Khrustalev wrote: > > > > From: Szabolcs Nagy > > > > Builtin for chkfeat: the input argument is used to initialize x16 then > > execute chkfeat and return the updated x16. >

Re: [PATCH v2 04/21] aarch64: Add __builtin_aarch64_chkfeat

2024-10-31 Thread Kyrylo Tkachov
> On 31 Oct 2024, at 14:23, Yury Khrustalev wrote: > > From: Szabolcs Nagy > > Builtin for chkfeat: the input argument is used to initialize x16 then > execute chkfeat and return the updated x16. > > Note: ACLE __chkfeat(x) plans to flip the bits to be more intuitive > (xor the input to outp