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 ubfx r9, rINST, #8, #4 @ r9<- A 12 VREG_INDEX_TO_ADDR r3, r3 @ r3<- &vB 13 CLEAR_SHADOW_PAIR r9, ip, r0 @ Zero out shadow regs 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 $instr @ d2<- op 19 GET_INST_OPCODE ip @ extract opcode from rINST 20 fstd d2, [r9] @ vAA<- d2 21 GOTO_OPCODE ip @ jump to next instruction 22
