AVX10.2 ymm rounding: Support vfc{madd,mul}cph, vfixupimmp{s,d} intrins

gcc/ChangeLog:

	* config/i386/avx10_2roundingintrin.h: New intrins.
	* config/i386/i386-builtin-types.def: Add new DEF_FUNCTION_TYPE.
	* config/i386/i386-builtin.def (BDESC): Add new builtins.
	* config/i386/i386-expand.cc (ix86_expand_round_builtin): Handle
	V16HF_FTYPE_V16HF_V16HF_INT, V16HF_FTYPE_V16HF_V16HF_V16HF_INT,
	V16HF_FTYPE_V16HF_V16HF_V16HF_UQI_INT,
	V4DF_FTYPE_V4DF_V4DF_V4DI_INT_UQI_INT,
	V8SF_FTYPE_V8SF_V8SF_V8SI_INT_UQI_INT.
	* config/i386/sse.md:
	(<avx512>_fixupimm<mode><sd_maskz_name><round_saeonly_name>):
	Add condition check.
	(<avx512>_fixupimm<mode>_mask<round_saeonly_name>): Ditto.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/avx-1.c: Add new builtin test.
	* gcc.target/i386/sse-13.c: Ditto.
	* gcc.target/i386/sse-14.c: Ditto.
	* gcc.target/i386/sse-22.c: Add new macro test.
	* gcc.target/i386/sse-23.c: Ditto.
	* gcc.target/i386/avx10_2-rounding-3.c: New test.