| /* |
| * 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 w0, wINST, lsl #16 // w0<- AAxx0000 |
| movs w1, w0, asr #24 // w1<- ssssssAA (sign-extended) |
| add w2, w1, w1 // w2<- byte offset, set flags |
| // If backwards branch refresh rIBASE |
| ldrmi rIBASE, [xSELF, #THREAD_CURRENT_IBASE_OFFSET] // refresh handler base |
| FETCH_ADVANCE_INST_RB w2 // update rPC, load wINST |
| GET_INST_OPCODE ip // extract opcode from wINST |
| GOTO_OPCODE ip // jump to next instruction |
| #else |
| ldr w7, [xSELF, #THREAD_FLAGS_OFFSET] // Preload flags for MterpCheckSuspendAndContinue |
| lsl w0, wINST, #16 // w0<- AAxx0000 |
| asr w0, w0, #24 // w0<- ssssssAA (sign-extended) |
| adds w1, w0, w0 // Convert dalvik offset to byte offset, setting flags |
| FETCH_ADVANCE_INST_RB w1 // load wINST and advance xPC |
| // If backwards branch refresh rIBASE |
| b.mi MterpCheckSuspendAndContinue |
| GET_INST_OPCODE ip // extract opcode from wINST |
| GOTO_OPCODE ip // jump to next instruction |
| #endif |
