File: op_iput.S

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android-platform-art 8.1.0%2Br23-3
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%default { "helper":"artSet32InstanceFromMterp" }
    /*
     * General 32-bit instance field put.
     *
     * for: iput, iput-boolean, iput-byte, iput-char, iput-short
     */
    /* op vA, vB, field//CCCC */
    .extern $helper
    EXPORT_PC
    lhu     a0, 2(rPC)                  # a0 <- field ref CCCC
    srl     a1, rINST, 12               # a1 <- B
    GET_VREG_U a1, a1                   # a1 <- fp[B], the object pointer
    ext     a2, rINST, 8, 4             # a2 <- A
    GET_VREG a2, a2                     # a2 <- fp[A]
    ld      a3, OFF_FP_METHOD(rFP)      # a3 <- referrer
    PREFETCH_INST 2
    jal     $helper
    bnez    v0, MterpPossibleException  # bail out
    ADVANCE 2
    GET_INST_OPCODE v0                  # extract opcode from rINST
    GOTO_OPCODE v0                      # jump to next instruction