| buzbee | 1452bee | 2015-03-06 14:43:04 -0800 | [diff] [blame] | 1 | /* |
| Bill Buzbee | 1d011d9 | 2016-04-04 16:59:29 +0000 | [diff] [blame] | 2 | * Generic one-operand compare-and-branch operation. Provide a "condition" |
| 3 | * fragment that specifies the comparison to perform. |
| buzbee | 1452bee | 2015-03-06 14:43:04 -0800 | [diff] [blame] | 4 | * |
| 5 | * for: if-eqz, if-nez, if-ltz, if-gez, if-gtz, if-lez |
| 6 | */ |
| 7 | /* if-cmp vAA, +BBBB */ |
| buzbee | 1452bee | 2015-03-06 14:43:04 -0800 | [diff] [blame] | 8 | mov r0, rINST, lsr #8 @ r0<- AA |
| Bill Buzbee | 1d011d9 | 2016-04-04 16:59:29 +0000 | [diff] [blame] | 9 | GET_VREG r0, r0 @ r0<- vAA |
| Bill Buzbee | fd522f9 | 2016-02-11 22:37:42 +0000 | [diff] [blame] | 10 | FETCH_S rINST, 1 @ rINST<- branch offset, in code units |
| Bill Buzbee | 1d011d9 | 2016-04-04 16:59:29 +0000 | [diff] [blame] | 11 | cmp r0, #0 @ compare (vA, 0) |
| 12 | b${condition} MterpCommonTakenBranchNoFlags |
| 13 | cmp rPROFILE, #JIT_CHECK_OSR @ possible OSR re-entry? |
| 14 | beq .L_check_not_taken_osr |
| 15 | FETCH_ADVANCE_INST 2 |
| buzbee | f1dcacc | 2016-02-24 14:24:24 -0800 | [diff] [blame] | 16 | GET_INST_OPCODE ip @ extract opcode from rINST |
| 17 | GOTO_OPCODE ip @ jump to next instruction |