AArch64: Add support for __builtin_roundeven[f] (PR100966)
Enable __builtin_roundeven[f] by changing existing frintn to roundeven.
2021-10-20 Wilco Dijkstra <wdijkstr@arm.com>
gcc/
PR target/100966
* config/aarch64/aarch64.md (frint_pattern): Update comment.
* config/aarch64/aarch64-simd-builtins.def: Change frintn to roundeven.
* config/aarch64/arm_fp16.h: Change frintn to roundeven.
* config/aarch64/arm_neon.h: Likewise.
* config/aarch64/iterators.md (frint_pattern): Use roundeven for FRINTN.
gcc/testsuite/
PR target/100966
* gcc.target/aarch64/frint.x: Add roundeven tests.
* gcc.target/aarch64/frint_double.c: Likewise.
* gcc.target/aarch64/frint_float.c: Likewise.