AVX512FP16: Add testcase for vcvtph2w/vcvtph2uw/vcvtph2dq/vcvtph2udq/vcvtph2qq/vcvtph2uqq.
gcc/testsuite/ChangeLog:
* gcc.target/i386/avx512fp16-helper.h (V512): Add QI
components.
* gcc.target/i386/avx512fp16-vcvtph2dq-1a.c: New test.
* gcc.target/i386/avx512fp16-vcvtph2dq-1b.c: Ditto.
* gcc.target/i386/avx512fp16-vcvtph2qq-1a.c: Ditto.
* gcc.target/i386/avx512fp16-vcvtph2qq-1b.c: Ditto.
* gcc.target/i386/avx512fp16-vcvtph2udq-1a.c: Ditto.
* gcc.target/i386/avx512fp16-vcvtph2udq-1b.c: Ditto.
* gcc.target/i386/avx512fp16-vcvtph2uqq-1a.c: Ditto.
* gcc.target/i386/avx512fp16-vcvtph2uqq-1b.c: Ditto.
* gcc.target/i386/avx512fp16-vcvtph2uw-1a.c: Ditto.
* gcc.target/i386/avx512fp16-vcvtph2uw-1b.c: Ditto.
* gcc.target/i386/avx512fp16-vcvtph2w-1a.c: Ditto.
* gcc.target/i386/avx512fp16-vcvtph2w-1b.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2dq-1a.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2dq-1b.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2qq-1a.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2qq-1b.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2udq-1a.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2udq-1b.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2uqq-1a.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2uqq-1b.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2uw-1a.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2uw-1b.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2w-1a.c: Ditto.
* gcc.target/i386/avx512fp16vl-vcvtph2w-1b.c: Ditto.