[PATCH] aarch64: Reimplement vaba* intrinsics using builtins

[Kyrylo Tkachov via Gcc-patches]

Hi all,

This patch reimplements the vaba* arm_neon.h intrinsics using RTL builtins that 
expand to proper RTL patterns
rather than using inline asm.
The implementation is fairly straightforward by defining new builtins and using 
them in the header.

Bootstrapped and tested on aarch64-none-linux-gnu.

Pushing to trunk.
Thanks,
Kyrill

gcc/
        * config/aarch64/aarch64-simd-builtins.def (saba, uaba): Define 
builtins.
        * config/aarch64/arm_neon.h (vaba_s8): Implement using builtin.
        (vaba_s16): Likewise.
        (vaba_s32): Likewise.
        (vaba_u8): Likewise.
        (vaba_u16): Likewise.
        (vaba_u32): Likewise.
        (vabaq_s8): Likewise.
        (vabaq_s16): Likewise.
        (vabaq_s32): Likewise.
        (vabaq_u8): Likewise.
        (vabaq_u16): Likewise.
        (vabaq_u32): Likewise.

vaba-int.patch
Description: vaba-int.patch