Support Intel SM4

gas/ChangeLog:

	* NEWS: Support Intel SM4.
	* config/tc-i386.c: Add sm4.
	* doc/c-i386.texi: Document .sm4.
	* testsuite/gas/i386/i386.exp: Run SM4 tests.
	* testsuite/gas/i386/x86-64.exp: Ditto.
	* testsuite/gas/i386/sm4-intel.d: Add SM4 tests.
	* testsuite/gas/i386/sm4.d: Ditto.
	* testsuite/gas/i386/sm4.s: Ditto.
	* testsuite/gas/i386/x86-64-sm4-intel.d: Ditto.
	* testsuite/gas/i386/x86-64-sm4.d: Ditto.
	* testsuite/gas/i386/x86-64-sm4.s: Ditto.

opcodes/ChangeLog:

	* i386-dis.c (prefix_table): Add SM4 instructions.
	* i386-gen.c (isa_dependencies): Add SM4.
	(cpu_flags): Ditto.
	* i386-init.h: Regenerated.
	* i386-mnem.h: Ditto.
	* i386-opc.h (CpuSM4): New.
	(i386_cpu_flags): Add cpusm4.
	* i386-opc.tbl: Add SM4 instructions.
	* i386-tbl.h: Regenerated.
18 files changed