i386: Add AVX10.2 SAT CVT Intrinsics without Rounding Control

i386: Add AVX10.2 SAT CVT Intrinsics without Rounding Control

gcc/ChangeLog:

	* config/i386/avx10_2-512satcvtintrin.h: Add new intrinsics.
	* config/i386/avx10_2satcvtintrin.h: Ditto.
	* config/i386/i386-builtin-types.def:
	Add DEF_FUNCTION_TYPE (V32HI, V32HF, V32HI, USI),
	(V16SI, V16SF, V16SI, UHI), (V8DI, V8SF, V8DI, UQI),
	(V8DI, V8DF, V8DI, UQI), (V8SI, V8DF, V8SI, UQI).
	* config/i386/i386-builtin.def: Add new builtins.
	* config/i386/i386-expand.cc: Handle V16SI_FTYPE_V16SF_V16SI_UHI,
	V32HI_FTYPE_V32HF_V32HI_USI, V8DI_FTYPE_V8SF_V8DI_UQI,
	V8DI_FTYPE_V8DF_V8DI_UQI, V8SI_FTYPE_V8DF_V8SI_UQI.