| buzbee | 1452bee | 2015-03-06 14:43:04 -0800 | [diff] [blame^] | 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 | |
| 18 | FETCH_ADVANCE_INST 2 @ advance rPC, load rINST |
| 19 | $instr @ s2<- op |
| 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 |