Hi,

This patch declares unsigned type-qualified builtins and uses them to
implement (rounding) halving-narrowing-add Neon intrinsics. This
removes the need for many casts in arm_neon.h.

Bootstrapped and regression tested on aarch64-none-linux-gnu - no
issues.

Ok for master?

Thanks,
Jonathan

---

gcc/ChangeLog:

2021-11-09  Jonathan Wright  <jonathan.wri...@arm.com>

        * config/aarch64/aarch64-simd-builtins.def: Declare unsigned
        builtins for [r]addhn[2].
        * config/aarch64/arm_neon.h (vaddhn_s16): Remove unnecessary
        cast.
        (vaddhn_s32): Likewise.
        (vaddhn_s64): Likewise.
        (vaddhn_u16): Use type-qualified builtin and remove casts.
        (vaddhn_u32): Likewise.
        (vaddhn_u64): Likewise.
        (vraddhn_s16): Remove unnecessary cast.
        (vraddhn_s32): Likewise.
        (vraddhn_s64): Likewise.
        (vraddhn_u16): Use type-qualified builtin and remove casts.
        (vraddhn_u32): Likewise.
        (vraddhn_u64): Likewise.
        (vaddhn_high_s16): Remove unnecessary cast.
        (vaddhn_high_s32): Likewise.
        (vaddhn_high_s64): Likewise.
        (vaddhn_high_u16): Use type-qualified builtin and remove
        casts.
        (vaddhn_high_u32): Likewise.
        (vaddhn_high_u64): Likewise.
        (vraddhn_high_s16): Remove unnecessary cast.
        (vraddhn_high_s32): Likewise.
        (vraddhn_high_s64): Likewise.
        (vraddhn_high_u16): Use type-qualified builtin and remove
        casts.
        (vraddhn_high_u32): Likewise.
        (vraddhn_high_u64): Likewise.

Attachment: rb15037.patch
Description: rb15037.patch

Reply via email to