100b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze%default {}
200b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    /*:
300b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze     * Generic 64-bit floating-point operation.
400b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze     *
500b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze     * For: add-double, sub-double, mul-double, div-double.
600b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze     * form: <op> f0, f0, f1
700b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze     */
800b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    /* binop vAA, vBB, vCC */
900b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    srl     a4, rINST, 8                # a4 <- AA
1000b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    lbu     a2, 2(rPC)                  # a2 <- BB
1100b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    lbu     a3, 3(rPC)                  # a3 <- CC
1200b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    GET_VREG_DOUBLE f0, a2              # f0 <- vBB
1300b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    GET_VREG_DOUBLE f1, a3              # f1 <- vCC
1400b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    $instr                              # f0 <- f0 op f1
1500b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    FETCH_ADVANCE_INST 2                # advance rPC, load rINST
1600b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    GET_INST_OPCODE v0                  # extract opcode from rINST
1700b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    SET_VREG_DOUBLE f0, a4              # vAA <- f0
1800b53b7f3f9ce5996b767b52c28dd846f47a723cAlexey Frunze    GOTO_OPCODE v0                      # jump to next instruction
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