libgccjit: Add support for sized integer types, including 128-bit integers [PR95325]

libgccjit: Add support for sized integer types, including 128-bit integers [PR95325]

gcc/jit/
	PR target/95325
	* docs/_build/texinfo/libgccjit.texi: Regenerate
	* docs/topics/compatibility.rst (LIBGCCJIT_ABI_20): New ABI tag.
	* docs/topics/types.rst: Add documentation for the new types
	GCC_JIT_TYPE_UINT8_T, GCC_JIT_TYPE_UINT16_T,
	GCC_JIT_TYPE_UINT32_T, GCC_JIT_TYPE_UINT64_T,
	GCC_JIT_TYPE_UINT128_T, GCC_JIT_TYPE_INT8_T, GCC_JIT_TYPE_INT16_T,
	GCC_JIT_TYPE_INT32_T, GCC_JIT_TYPE_INT64_T, GCC_JIT_TYPE_INT128_T and
	new functions (gcc_jit_compatible_types, gcc_jit_type_get_size).
	* jit-builtins.cc: Add support for BT_UINT128.
	* jit-common.h: Update the value of NUM_GCC_JIT_TYPES.
	* jit-playback.cc: Add support for the sized integer types.
	* jit-recording.cc: Add support for the sized integer types.
	* jit-recording.h: Add support for comparing integer types
	and new function (is_signed).
	* libgccjit.cc (gcc_jit_compatible_types): New.
	(gcc_jit_type_get_size) New.
	* libgccjit.h: New enum variants for gcc_jit_types
	(GCC_JIT_TYPE_UINT8_T, GCC_JIT_TYPE_UINT16_T,
	GCC_JIT_TYPE_UINT32_T, GCC_JIT_TYPE_UINT64_T,
	GCC_JIT_TYPE_UINT128_T, GCC_JIT_TYPE_INT8_T,
	GCC_JIT_TYPE_INT16_T, GCC_JIT_TYPE_INT32_T,
	GCC_JIT_TYPE_INT64_T, GCC_JIT_TYPE_INT128_T) and new functions
	(gcc_jit_compatible_types, gcc_jit_type_get_size).
	* libgccjit.map (LIBGCCJIT_ABI_20): New ABI tag.

gcc/testsuite/
	PR target/95325
	* jit.dg/test-types.c: Add tests for sized integer types.