| /* |
| * Unconditional branch, 8-bit offset. |
| * |
| * The branch distance is a signed code-unit offset, which we need to |
| * double to get a byte offset. |
| */ |
| /* goto +AA */ |
| /* tuning: use sbfx for 6t2+ targets */ |
| #if MTERP_SUSPEND |
| mov r0, rINST, lsl #16 @ r0<- AAxx0000 |
| movs r1, r0, asr #24 @ r1<- ssssssAA (sign-extended) |
| add r2, r1, r1 @ r2<- byte offset, set flags |
| @ If backwards branch refresh rIBASE |
| ldrmi rIBASE, [rSELF, #THREAD_CURRENT_IBASE_OFFSET] @ refresh handler base |
| FETCH_ADVANCE_INST_RB r2 @ update rPC, load rINST |
| GET_INST_OPCODE ip @ extract opcode from rINST |
| GOTO_OPCODE ip @ jump to next instruction |
| #else |
| ldr lr, [rSELF, #THREAD_FLAGS_OFFSET] |
| mov r0, rINST, lsl #16 @ r0<- AAxx0000 |
| movs r1, r0, asr #24 @ r1<- ssssssAA (sign-extended) |
| add r2, r1, r1 @ r2<- byte offset, set flags |
| FETCH_ADVANCE_INST_RB r2 @ update rPC, load rINST |
| @ If backwards branch refresh rIBASE |
| bmi MterpCheckSuspendAndContinue |
| GET_INST_OPCODE ip @ extract opcode from rINST |
| GOTO_OPCODE ip @ jump to next instruction |
| #endif |
