1 /* 2 * Generic 64-bit binary operation. Provide an "instr" line that 3 * specifies an instruction that performs "result = a0-a1 op a2-a3". 4 * This could be an MIPS instruction or a function call. 5 * 6 * for: add-double, sub-double, mul-double, div-double, 7 * rem-double 8 * 9 */ 10 /* binop vAA, vBB, vCC */ 11 FETCH(a0, 1) # a0 <- CCBB 12 GET_OPA(rOBJ) # s5 <- AA 13 and a2, a0, 255 # a2 <- BB 14 srl a3, a0, 8 # a3 <- CC 15 EAS2(a2, rFP, a2) # a2 <- &fp[BB] 16 EAS2(t1, rFP, a3) # a3 <- &fp[CC] 17 LOAD64_F(fa0, fa0f, a2) 18 LOAD64_F(fa1, fa1f, t1) 19 20 FETCH_ADVANCE_INST(2) # advance rPC, load rINST 21 $instr 22 SET_VREG64_F(fv0, fv0f, rOBJ) 23 b .L${opcode}_finish 24 %break 25 26 .L${opcode}_finish: 27 GET_INST_OPCODE(t0) # extract opcode from rINST 28 GOTO_OPCODE(t0) # jump to next instruction 29
