[Public]

Hello,

Patch attached here adds the following:
	* New AMD znver4 processor (family 25). In addition to znver3 features, the architecture has following features:
		*avx512f, avx512dq, avx512ifma, avx512cd, avx512bw, avx512vl, avx512bf16, avx512vbmi, avx512vbmi2, avx512vnni, avx512bitalg, avx512vpopcntdq, gfni, rmpquery
	* Details for new feature RMPQUERY are available in the public document : https://www.amd.com/system/files/TechDocs/24594.pdf
New test files added:
	* arch-14-1.s: New ISAs supported under march.
	* x86-64-arch-4-1.s: 64-bit version of the test.
	* rmpquery.s: The test checking the rmpquery instruction.
Make check passes on x86-64. Good to commit?

ChangeLog:

2022-09-28  Tejas Joshi <TejasSanjay.Joshi@amd.com>

gas/

	* config/tc-i386.c (cpu_arch): Add CPU_ZNVER4_FLAGS flags.
	* doc/c-i386.texi: Add znver4.
	* testsuite/gas/i386/arch-14-1.d: New.
	* testsuite/gas/i386/arch-14-1.s: New.
	* testsuite/gas/i386/arch-14-znver4.d: New.
	* testsuite/gas/i386/i386.exp: Add new znver4 test cases.
	* testsuite/gas/i386/rmpquery.d: New.
	* testsuite/gas/i386/rmpquery.s: New.
	* testsuite/gas/i386/x86-64-arch-4-1.d: New.
	* testsuite/gas/i386/x86-64-arch-4-1.s: New.
	* testsuite/gas/i386/x86-64-arch-4-znver4.d: New.

opcodes/

	* i386-dis.c (x86_64_table): Add rmpquery.
	* i386-gen.c (cpu_flag_init): Add CPU_ZNVER4_FLAGS and CpuRMPQUERY.
	(cpu_flags): Add CpuRMPQUERY.
	* i386-opc.h (enum): Add CpuRMPQUERY.
	(i386_cpu_flags): Add cpurmpquery.
	* i386-opc.tbl: Add rmpquery insn.
	* i386-init.h: Re-generated.
	* i386-tbl.h: Re-generated.

Regards,
Tejas