* emit MUL (when overflow checking is off), instead of IMUL for OP_IMUL in
  tcg8086.a_op_const_reg, when the target CPU is 8086/8088, because it's
  supposed to be faster on these processors, according to Intel's instruction
  timings.



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26493 3ad0048d-3df7-0310-abae-a5850022a9f2