%verify "executed" %verify "forward and backward" /* * 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 */ 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, #offThread_curHandlerTable] @ refresh handler base FETCH_ADVANCE_INST_RB(r2) @ update rPC, load rINST #if defined(WITH_JIT) ldr r0, [rSELF, #offThread_pJitProfTable] bmi common_testUpdateProfile @ (r0) check for trace hotness #endif GET_INST_OPCODE(ip) @ extract opcode from rINST GOTO_OPCODE(ip) @ jump to next instruction