1 /* 2 * Generic 64-bit double-precision floating point binary operation. 3 * Provide an "instr" line that specifies an instruction that performs 4 * "d2 = d0 op d1". 5 * 6 * for: add-double, sub-double, mul-double, div-double 7 */ 8 /* doubleop vAA, vBB, vCC */ 9 FETCH r0, 1 @ r0<- CCBB 10 mov r9, rINST, lsr #8 @ r9<- AA 11 mov r3, r0, lsr #8 @ r3<- CC 12 and r2, r0, #255 @ r2<- BB 13 VREG_INDEX_TO_ADDR r3, r3 @ r3<- &vCC 14 VREG_INDEX_TO_ADDR r2, r2 @ r2<- &vBB 15 fldd d1, [r3] @ d1<- vCC 16 fldd d0, [r2] @ d0<- vBB 17 FETCH_ADVANCE_INST 2 @ advance rPC, load rINST 18 $instr @ s2<- op 19 CLEAR_SHADOW_PAIR r9, ip, lr @ Zero shadow regs 20 GET_INST_OPCODE ip @ extract opcode from rINST 21 VREG_INDEX_TO_ADDR r9, r9 @ r9<- &vAA 22 fstd d2, [r9] @ vAA<- d2 23 GOTO_OPCODE ip @ jump to next instruction 24
