100b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    /*
200b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze     * Unconditional branch, 8-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 +AA */
8db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    .extern MterpProfileBranch
9db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    srl     rINST, rINST, 8
10db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    seb     rINST, rINST                # rINST <- offset (sign-extended AA)
11db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze#if MTERP_PROFILE_BRANCHES
12db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    EXPORT_PC
13db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    move    a0, rSELF
14db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    daddu   a1, rFP, OFF_FP_SHADOWFRAME
15db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    move    a2, rINST
16db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    jal     MterpProfileBranch          # (self, shadow_frame, offset)
17db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    bnezc   v0, MterpOnStackReplacement # Note: offset must be in rINST
1800b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze#endif
19db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    dlsa    rPC, rINST, rPC, 1          # rPC <- rPC + offset * 2
20db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    lw      ra, THREAD_FLAGS_OFFSET(rSELF)  # Preload flags for MterpCheckSuspendAndContinue
21db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    move    a0, rINST                   # a0 <- offset
22db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    FETCH_INST                          # load rINST
23db045bea24d28ce6ad932fec4ce055af7be530e2Alexey Frunze    bltz    a0, MterpCheckSuspendAndContinue  # suspend check if backwards branch
2400b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    GET_INST_OPCODE v0                  # extract opcode from rINST
2500b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    GOTO_OPCODE v0                      # jump to next instruction
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