[AArch64] Support vrecp<esx> neon intrinsics in RTL.
gcc/
* config/aarch64/aarch64-builtins.c
(aarch64_simd_builtin_type_mode): Handle SF types.
(sf_UP): Define.
(BUILTIN_GPF): Define.
(aarch64_init_simd_builtins): Handle SF types.
* config/aarch64/aarch64-simd-builtins.def (frecpe): Add support.
(frecps): Likewise.
(frecpx): Likewise.
* config/aarch64/aarch64-simd.md
(simd_types): Update simd_frcp<esx> to simd_frecp<esx>.
(aarch64_frecpe<mode>): New.
(aarch64_frecps<mode>): Likewise.
* config/aarch64/aarch64.md (unspec): Add UNSPEC_FRECP<ESX>.
(v8type): Add frecp<esx>.
(aarch64_frecp<FRECP:frecp_suffix><mode>): New.
(aarch64_frecps<mode>): Likewise.
* config/aarch64/iterators.md (FRECP): New.
(frecp_suffix): Likewise.
* config/aarch64/arm_neon.h
(vrecp<esx><qsd>_<fd><32, 64>): Convert to using builtins.
gcc/testsuite/
* gcc.target/aarch64/vrecps.c: New.
* gcc.target/aarch64/vrecpx.c: Likewise.
From-SVN: r198136