x86: Set EVex=2 on EVEX.128 only vmovd and vmovq

x86: Set EVex=2 on EVEX.128 only vmovd and vmovq

EVEX "VMOVD xmm1, r32/m32", "VMOVD r32/m32, xmm2", "VMOVQ xmm1, r64/m64",
"VMOVD r64/m64, xmm2", "VMOVQ xmm1, xmm2/m64" and "VMOVQ xmm1/m64, xmm2"
can only be encoded with EVEX.128.  Set EVex=2 on EVEX.128 only vmovd and
vmovq.

gas/

	PR gas/23670
	* testsuite/gas/i386/evex-lig-2.d: New file.
	* testsuite/gas/i386/evex-lig-2.s: Likewise.
	* testsuite/gas/i386/x86-64-evex-lig-2.d: Likewise.
	* testsuite/gas/i386/x86-64-evex-lig-2.s: Likewise.
	* testsuite/gas/i386/i386.exp: Run evex-lig-2 and
	x86-64-evex-lig-2.

opcodes/

	PR gas/23670
	* i386-dis-evex.h (evex_table): Use EVEX_LEN_0F6E_P_2,
	EVEX_LEN_0F7E_P_1, EVEX_LEN_0F7E_P_2 and EVEX_LEN_0FD6_P_2.
	(EVEX_LEN_0F6E_P_2): New EVEX_LEN_TABLE entry.
	(EVEX_LEN_0F7E_P_1): Likewise.
	(EVEX_LEN_0F7E_P_2): Likewise.
	(EVEX_LEN_0FD6_P_2): Likewise.
	* i386-dis.c (USE_EVEX_LEN_TABLE): New.
	(EVEX_LEN_TABLE): Likewise.
	(EVEX_LEN_0F6E_P_2): New enum.
	(EVEX_LEN_0F7E_P_1): Likewise.
	(EVEX_LEN_0F7E_P_2): Likewise.
	(EVEX_LEN_0FD6_P_2): Likewise.
	(evex_len_table): New.
	(get_valid_dis386): Handle USE_EVEX_LEN_TABLE.
	* i386-opc.tbl: Set EVex=2 on EVEX.128 only vmovd and vmovq.
	* i386-tbl.h: Regenerated.