vm/mterp/mips/unopWide.S

   1 %default {"preinstr":"", "result0":"a0", "result1":"a1"}
   2     /*
   3      * Generic 64-bit unary operation.  Provide an "instr" line that
   4      * specifies an instruction that performs "result = op a0/a1".
   5      * This could be MIPS instruction or a function call.
   6      *
   7      * For: neg-long, not-long, neg-double, long-to-double, double-to-long
   8      */
   9     /* unop vA, vB */
  10     GET_OPA4(t1)                           #  t1 <- A+
  11     GET_OPB(a3)                            #  a3 <- B
  12     EAS2(a3, rFP, a3)                      #  a3 <- &fp[B]
  13     EAS2(rOBJ, rFP, t1)                    #  rOBJ <- &fp[A]
  14     LOAD64(a0, a1, a3)                     #  a0/a1 <- vAA
  15     FETCH_ADVANCE_INST(1)                  #  advance rPC, load rINST
  16     $preinstr                              #  optional op
  17     $instr                                 #  a0/a1 <- op, a2-a3 changed
  18     GET_INST_OPCODE(t0)                    #  extract opcode from rINST
  19     STORE64($result0, $result1, rOBJ)      #  vAA <- a0/a1
  20     GOTO_OPCODE(t0)                        #  jump to next instruction
  21     /* 12-13 instructions */