AVX512FP16: Add testcases for vfcmaddcsh/vfmaddcsh/vfcmulcsh/vfmulcsh.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/avx512fp16-vfcmaddcsh-1a.c: New test.
	* gcc.target/i386/avx512fp16-vfcmaddcsh-1b.c: Ditto.
	* gcc.target/i386/avx512fp16-vfcmulcsh-1a.c: Ditto.
	* gcc.target/i386/avx512fp16-vfcmulcsh-1b.c: Ditto.
	* gcc.target/i386/avx512fp16-vfmaddcsh-1a.c: Ditto.
	* gcc.target/i386/avx512fp16-vfmaddcsh-1b.c: Ditto.
	* gcc.target/i386/avx512fp16-vfmulcsh-1a.c: Ditto.
	* gcc.target/i386/avx512fp16-vfmulcsh-1b.c: Ditto.
	* gcc.target/i386/avx512fp16-complex-constraints.c: Ditto.
9 files changed