[PATCH 1/3] x86: slightly simplify VPBROADCASTQ -> VUNPCKLQDQ optimization again

[Jan Beulich]

To fix eb4031cb20aa, c117ca0fc276 ("x86: Check XMM destination when
optimizing 128-bit VPBROADCASTQ") should merely have changed which operand
is checked for being Xmmword. Drop the excess check.

--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -5825,7 +5825,6 @@ optimize_encoding (void)
 	   && i.operands == i.reg_operands
 	   && i.tm.opcode_modifier.vex
 	   && !(i.op[0].regs->reg_flags & RegRex)
-	   && i.op[0].regs->reg_type.bitfield.xmmword
 	   && i.op[1].regs->reg_type.bitfield.xmmword
 	   && pp.encoding != encoding_vex3)
     {