aarch64: Use RTL builtins for vpaddq intrinsics
Rewrite vpaddq Neon intrinsics to use RTL builtins rather than inline
assembly code, allowing for better scheduling and optimization.
gcc/ChangeLog:
2021-02-08 Jonathan Wright <jonathan.wright@arm.com>
* config/aarch64/aarch64-simd-builtins.def: Use VDQ_I iterator
for aarch64_addp<mode> builtin macro generator.
* config/aarch64/aarch64-simd.md: Use VDQ_I iterator in
aarch64_addp<mode> RTL pattern.
* config/aarch64/arm_neon.h (vpaddq_s8): Use RTL builtin
instead of inline asm.
(vpaddq_s16): Likewise.
(vpaddq_s32): Likewise.
(vpaddq_s64): Likewise.
(vpaddq_u8): Likewise.
(vpaddq_u16): Likewise.
(vpaddq_u32): Likewise.
(vpaddq_u64): Likewise.