100b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze /* 200b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze * Unconditional branch, 16-bit offset. 300b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze * 400b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze * The branch distance is a signed code-unit offset, which we need to 500b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze * double to get a byte offset. 600b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze */ 700b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze /* goto/16 +AAAA */ 8db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze .extern MterpProfileBranch 9db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze lh rINST, 2(rPC) # rINST <- offset (sign-extended AAAA) 10db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze#if MTERP_PROFILE_BRANCHES 11db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze EXPORT_PC 12db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze move a0, rSELF 13db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze daddu a1, rFP, OFF_FP_SHADOWFRAME 14db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze move a2, rINST 15db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze jal MterpProfileBranch # (self, shadow_frame, offset) 16db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze bnezc v0, MterpOnStackReplacement # Note: offset must be in rINST 1700b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze#endif 18db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze dlsa rPC, rINST, rPC, 1 # rPC <- rPC + offset * 2 19db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze lw ra, THREAD_FLAGS_OFFSET(rSELF) # Preload flags for MterpCheckSuspendAndContinue 20db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze move a0, rINST # a0 <- offset 21db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze FETCH_INST # load rINST 22db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze bltz a0, MterpCheckSuspendAndContinue # suspend check if backwards branch 2300b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze GET_INST_OPCODE v0 # extract opcode from rINST 2400b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze GOTO_OPCODE v0 # jump to next instruction 25