1 /* 2 * Generic 64-bit floating point "/2addr" binary operation. Provide 3 * an "instr" line that specifies an instruction that performs 4 * "d2 = d0 op d1". 5 * 6 * For: add-double/2addr, sub-double/2addr, mul-double/2addr, 7 * div-double/2addr 8 */ 9 /* binop/2addr vA, vB */ 10 mov r3, rINST, lsr #12 @ r3<- B 11 mov r9, rINST, lsr #8 @ r9<- A+ 12 VREG_INDEX_TO_ADDR(r3, r3) @ r3<- &vB 13 and r9, r9, #15 @ r9<- A 14 fldd d1, [r3] @ d1<- vB 15 VREG_INDEX_TO_ADDR(r9, r9) @ r9<- &vA 16 FETCH_ADVANCE_INST(1) @ advance rPC, load rINST 17 fldd d0, [r9] @ d0<- vA 18 19 $instr @ d2<- op 20 GET_INST_OPCODE(ip) @ extract opcode from rINST 21 fstd d2, [r9] @ vAA<- d2 22 GOTO_OPCODE(ip) @ jump to next instruction 23