[AArch64] Map frint intrinsics to standard pattern names directly.
gcc/
* config/aarch64/aarch64-builtins.c
(aarch64_builtin_vectorized_function): Fold to standard pattern names.
* config/aarch64/aarch64-simd-builtins.def (frintn): New.
(frintz): Rename to...
(btrunc): ...this.
(frintp): Rename to...
(ceil): ...this.
(frintm): Rename to...
(floor): ...this.
(frinti): Rename to...
(nearbyint): ...this.
(frintx): Rename to...
(rint): ...this.
(frinta): Rename to...
(round): ...this.
* config/aarch64/aarch64-simd.md
(aarch64_frint<frint_suffix><mode>): Delete.
(<frint_pattern><mode>2): Convert to insn.
* config/aarch64/aarch64.md (unspec): Add UNSPEC_FRINTN.
* config/aarch64/iterators.md (FRINT): Add UNSPEC_FRINTN.
(frint_pattern): Likewise.
(frint_suffix): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198394 138bc75d-0d04-0410-961f-82ee72b054a4