Remove E6500 insns from PPC_OPCODE_ALTIVEC2

[Peter Bergner]

On 4/7/17 4:53 AM, Alan Modra wrote:
> This isn't losing anything from the testsuite.  All of these insns
> appear in testsuite/gas/ppc/e6500.s
> 
> opcodes/
> 	* ppc-opc.c (powerpc_opcodes <mviwsplt, mvidsplt, lvexbx, lvepxl,
> 	lvexhx, lvepx, lvexwx, stvexbx, stvexhx, stvexwx, lvtrx, lvtlx,
> 	lvswx, stvfrx, stvflx, stvswx, lvsm, stvepxl, lvtrxl, stvepx,
> 	lvtlxl, lvswxl, stvfrxl, stvflxl, stvswxl>): Enable E6500 only
> 	vector instructions with E6500 not PPCVEC2.
> gas/
> 	* testsuite/gas/ppc/altivec2.s: Delete E6500 vector insns.
> 	* testsuite/gas/ppc/altivec2.d: Adjust to suit.

Looks good to me, but I have to wonder how you noticed these, unless
you read various PPC ISA docs in your free time? ;-)

Peter