AVX512FP16: Add ABI tests for xmm.
Copied from regular XMM ABI tests. Only run AVX512FP16 ABI tests for ELF
targets.
gcc/testsuite/ChangeLog:
* gcc.target/x86_64/abi/avx512fp16/abi-avx512fp16-xmm.exp: New exp
file for abi test.
* gcc.target/x86_64/abi/avx512fp16/args.h: New header file for abi test.
* gcc.target/x86_64/abi/avx512fp16/avx512fp16-check.h: Likewise.
* gcc.target/x86_64/abi/avx512fp16/avx512fp16-xmm-check.h: Likewise.
* gcc.target/x86_64/abi/avx512fp16/defines.h: Likewise.
* gcc.target/x86_64/abi/avx512fp16/macros.h: Likewise.
* gcc.target/x86_64/abi/avx512fp16/asm-support.S: New asm for abi check.
* gcc.target/x86_64/abi/avx512fp16/test_3_element_struct_and_unions.c:
New test.
* gcc.target/x86_64/abi/avx512fp16/test_basic_alignment.c: Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_basic_array_size_and_align.c:
Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_basic_returning.c: Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_basic_sizes.c: Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_basic_struct_size_and_align.c:
Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_basic_union_size_and_align.c:
Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_complex_returning.c: Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_m64m128_returning.c: Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_passing_floats.c: Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_passing_m64m128.c: Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_passing_structs.c: Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_passing_unions.c: Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_struct_returning.c: Likewise.
* gcc.target/x86_64/abi/avx512fp16/test_varargs-m128.c: Likewise.