RE: aarch64: Use RTL builtins for [su]mlal_n intrinsics

[Kyrylo Tkachov via Gcc-patches]

> -----Original Message-----
> From: Jonathan Wright <jonathan.wri...@arm.com>
> Sent: 28 January 2021 12:04
> To: gcc-patches@gcc.gnu.org
> Cc: Kyrylo Tkachov <kyrylo.tkac...@arm.com>
> Subject: aarch64: Use RTL builtins for [su]mlal_n intrinsics
> 
> Hi,
> 
> As subject, this patch rewrites [su]mlal_n Neon intrinsics to use RTL builtins
> rather than inline assembly code, allowing for better scheduling and
> optimization.
> 
> Regression tested and bootstrapped on aarch64-none-linux-gnu - no
> issues.
> 
> Ok for master?

Ok.
Thanks,
Kyrill

> 
> Thanks,
> Jonathan
> 
> ---
> 
> gcc/ChangeLog:
> 
> 2021-01-26  Jonathan Wright  <jonathan.wri...@arm.com>
> 
> * config/aarch64/aarch64-simd-builtins.def: Add [su]mlal_n
> builtin generator macros.
> * config/aarch64/aarch64-simd.md (aarch64_<su>mlal_n<mode>):
> Define.
> * config/aarch64/arm_neon.h (vmlal_n_s16): Use RTL builtin
> instead of inline asm.
> (vmlal_n_s32): Likewise.
> (vmlal_n_u16): Likewise.
> (vmlal_n_u32): Likewise.