AVX512FP16: Add testcase for fpclass/getmant/getexp instructions.
gcc/testsuite/ChangeLog:
* gcc.target/i386/avx512fp16-helper.h (V512):
Add xmm component.
* gcc.target/i386/avx512fp16-vfpclassph-1a.c: New test.
* gcc.target/i386/avx512fp16-vfpclassph-1b.c: Ditto.
* gcc.target/i386/avx512fp16-vfpclasssh-1a.c: Ditto.
* gcc.target/i386/avx512fp16-vfpclasssh-1b.c: Ditto.
* gcc.target/i386/avx512fp16-vgetexpph-1a.c: Ditto.
* gcc.target/i386/avx512fp16-vgetexpph-1b.c: Ditto.
* gcc.target/i386/avx512fp16-vgetexpsh-1a.c: Ditto.
* gcc.target/i386/avx512fp16-vgetexpsh-1b.c: Ditto.
* gcc.target/i386/avx512fp16-vgetmantph-1a.c: Ditto.
* gcc.target/i386/avx512fp16-vgetmantph-1b.c: Ditto.
* gcc.target/i386/avx512fp16-vgetmantsh-1a.c: Ditto.
* gcc.target/i386/avx512fp16-vgetmantsh-1b.c: Ditto.
* gcc.target/i386/avx512fp16vl-vfpclassph-1a.c: Ditto.
* gcc.target/i386/avx512fp16vl-vfpclassph-1b.c: Ditto.
* gcc.target/i386/avx512fp16vl-vgetexpph-1a.c: Ditto.
* gcc.target/i386/avx512fp16vl-vgetexpph-1b.c: Ditto.
* gcc.target/i386/avx512fp16vl-vgetmantph-1a.c: Ditto.
* gcc.target/i386/avx512fp16vl-vgetmantph-1b.c: Ditto.