HELPLIB.HLB  —  MACRO  MACRO Compiler Built-Ins, Itanium[R] Instruction Built-Ins
    Built-in        Operands  Description

    IA64_BREAK      <RQ>      Generate a break instruction fault with
                              the immediate operand provided
    IA64_          <WQ,RQ,RQ> Generate a move-from-indirect-register
    GETINDREG                 instruction with the first operand as
                              the destination, the second operand
                              as a literal specifying which indirect
                              register file to access, and the third
                              operand as the index into the register
                              file
    IA64_GETREG     <WQ,RQ>   Generate a move-from-application-
                              register or move-from-control-register
                              instruction with the first operand
                              as the destination and the second
                              operand as a literal specifying which
                              application or control register to read

    IA64_LFETCH      <RQ,RQ>  Generate a line prefetch (LFETCH) or
    IA64_LFETCH_EXCL <RQ,RQ>  exclusive line prefetch (LFETCH.EXCL)
                              instruction using the first operand as
                              the address to prefetch and the second
                              operand for either the reg-base-update-
                              form or the imm-base-update-form. If
                              the operand is the literal zero, the
                              no-base-update-form will be used

    IA64_PROBER    <WQ,RQ,RQ> Generate a probe.r instruction with the
                              first argument as the destination, the
                              second argument as the virtual address
                              to probe, and the third operand as the
                              privilege level
    IA64_PROBEW    <WQ,RQ,RQ> Generate a probe.w instruction with the
                              first argument as the destination, the
                              second argument as the virtual address
                              to probe, and the third operand as the
                              privilege level
    IA64_RSM        <RQ>      Generate a reset system mask ('RSM')
                              instruction with the specified mask
    IA64_RUM        <RQ>      Generate a reset user mask ('RUM')
                              instruction with the specified mask
    IA64_SETREG     <RQ,RQ>   Generate a move-to-application-register
                              or move-to-control-register instruction
                              with the first operand as a literal
                              specifying which application or control
                              register to write and the second
                              operand as the value to write into
                              the register
    IA64_SRLZD      <>        Generate a serialize data ('SRLZD')
                              instruction
    IA64_SRLZI      <>        Generate a serialize instruction
                              ('SRLZI') instruction
    IA64_SSM        <RQ>      Generate a set system mask ('SSM')
                              instruction with the specified mask
    IA64_SUM        <RQ>      Generate a set user mask ('SUM')
                              instruction with the specified mask
    IA64_TAK        <WK,RQ>   Generate a read translation access key
                              ('TAK') instruction
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