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.
rb15037.patch
Description: rb15037.patch