RE: [PATCH] aarch64: Use RTL builtins for [su]mull_high_n intrinsics

[Kyrylo Tkachov via Gcc-patches]

> -----Original Message-----
> From: Jonathan Wright <jonathan.wri...@arm.com>
> Sent: 04 February 2021 13:26
> To: gcc-patches@gcc.gnu.org
> Cc: Kyrylo Tkachov <kyrylo.tkac...@arm.com>
> Subject: [PATCH] aarch64: Use RTL builtins for [su]mull_high_n intrinsics
> 
> Hi,
> 
> As subject, this patch rewrites [su]mull_high_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 and
> aarch64_be-none-elf - no issues.
> 
> Ok for master?

Ok.
Thanks,
Kyrill

> 
> Thanks,
> Jonathan
> 
> ---
> 
> gcc/ChangeLog:
> 
> 2021-02-03  Jonathan Wright  <jonathan.wri...@arm.com>
> 
> * config/aarch64/aarch64-simd-builtins.def: Add [su]mull_hi_n
> builtin generator macros.
> * config/aarch64/aarch64-simd.md
> (aarch64_<su>mull_hi_n<mode>_insn): Define.
> (aarch64_<su>mull_hi_n<mode>): Define.
> * config/aarch64/arm_neon.h (vmull_high_n_s16): Use RTL builtin
> instead of inline asm.
> (vmull_high_n_s32): Likewise.
> (vmull_high_n_u16): Likewise.
> (vmull_high_n_u32): Likewise.