| buzbee | 1452bee | 2015-03-06 14:43:04 -0800 | [diff] [blame^] | 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 |