archived-ballistic/spec/arm64_xml/tst_ands_log_imm.xml

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<instructionsection id="TST_ANDS_log_imm" title="TST (immediate) -- A64" type="alias">
  <docvars>
    <docvar key="alias_mnemonic" value="TST" />
    <docvar key="cond-setting" value="S" />
    <docvar key="immediate-type" value="imm12-bitfield" />
    <docvar key="instr-class" value="general" />
    <docvar key="isa" value="A64" />
    <docvar key="mnemonic" value="ANDS" />
  </docvars>
  <heading>TST (immediate)</heading>
  <desc>
    <brief>Test bits (immediate)</brief>
    <alg>Rn AND imm</alg>
    <longer>, setting the condition flags and discarding the result</longer>
  </desc>
  <aliasto refiform="ands_log_imm.xml" iformid="ANDS_log_imm">ANDS (immediate)</aliasto>
  <classes>
    <iclass name="Setting the condition flags" oneof="1" id="iclass_s" no_encodings="2" isa="A64">
      <docvars>
        <docvar key="cond-setting" value="S" />
        <docvar key="immediate-type" value="imm12-bitfield" />
        <docvar key="instr-class" value="general" />
        <docvar key="isa" value="A64" />
        <docvar key="mnemonic" value="ANDS" />
      </docvars>
      <iclassintro count="2"></iclassintro>
      <regdiagram form="32" psname="aarch64/instrs/integer/logical/immediate" tworows="1">
        <box hibit="31" name="sf" usename="1">
          <c></c>
        </box>
        <box hibit="30" width="2" name="opc" usename="1" settings="2" psbits="xx">
          <c>1</c>
          <c>1</c>
        </box>
        <box hibit="28" width="6" settings="6">
          <c>1</c>
          <c>0</c>
          <c>0</c>
          <c>1</c>
          <c>0</c>
          <c>0</c>
        </box>
        <box hibit="22" name="N" usename="1">
          <c></c>
        </box>
        <box hibit="21" width="6" name="immr" usename="1">
          <c colspan="6"></c>
        </box>
        <box hibit="15" width="6" name="imms" usename="1">
          <c colspan="6"></c>
        </box>
        <box hibit="9" width="5" name="Rn" usename="1">
          <c colspan="5"></c>
        </box>
        <box hibit="4" width="5" name="Rd" usename="1" settings="5" psbits="xxxxx">
          <c>1</c>
          <c>1</c>
          <c>1</c>
          <c>1</c>
          <c>1</c>
        </box>
      </regdiagram>
      <encoding name="TST_ANDS_32S_log_imm" oneofinclass="2" oneof="2" label="32-bit" bitdiffs="sf == 0 &amp;&amp; N == 0">
        <docvars>
          <docvar key="alias_mnemonic" value="TST" />
          <docvar key="cond-setting" value="S" />
          <docvar key="datatype" value="32" />
          <docvar key="immediate-type" value="imm12-bitfield" />
          <docvar key="instr-class" value="general" />
          <docvar key="isa" value="A64" />
          <docvar key="mnemonic" value="ANDS" />
        </docvars>
        <box hibit="31" width="1" name="sf">
          <c>0</c>
        </box>
        <box hibit="22" width="1" name="N">
          <c>0</c>
        </box>
        <asmtemplate><text>TST  </text><a link="sa_wn" hover="32-bit general-purpose source register (field &quot;Rn&quot;)">&lt;Wn&gt;</a><text>, #</text><a link="sa_imm" hover="Bitmask immediate (field &quot;imms:immr&quot;)">&lt;imm&gt;</a></asmtemplate>
        <equivalent_to>
          <asmtemplate><a href="ands_log_imm.xml#ANDS_32S_log_imm">ANDS</a><text> WZR, </text><a link="sa_wn" hover="32-bit general-purpose source register (field &quot;Rn&quot;)">&lt;Wn&gt;</a><text>, #</text><a link="sa_imm" hover="Bitmask immediate (field &quot;imms:immr&quot;)">&lt;imm&gt;</a></asmtemplate>
          <aliascond>Unconditionally</aliascond>
        </equivalent_to>
      </encoding>
      <encoding name="TST_ANDS_64S_log_imm" oneofinclass="2" oneof="2" label="64-bit" bitdiffs="sf == 1">
        <docvars>
          <docvar key="alias_mnemonic" value="TST" />
          <docvar key="cond-setting" value="S" />
          <docvar key="datatype" value="64" />
          <docvar key="immediate-type" value="imm12-bitfield" />
          <docvar key="instr-class" value="general" />
          <docvar key="isa" value="A64" />
          <docvar key="mnemonic" value="ANDS" />
        </docvars>
        <box hibit="31" width="1" name="sf">
          <c>1</c>
        </box>
        <asmtemplate><text>TST  </text><a link="sa_xn" hover="64-bit general-purpose source register (field &quot;Rn&quot;)">&lt;Xn&gt;</a><text>, #</text><a link="sa_imm_1" hover="Bitmask immediate (field &quot;N:imms:immr&quot;)">&lt;imm&gt;</a></asmtemplate>
        <equivalent_to>
          <asmtemplate><a href="ands_log_imm.xml#ANDS_64S_log_imm">ANDS</a><text> XZR, </text><a link="sa_xn" hover="64-bit general-purpose source register (field &quot;Rn&quot;)">&lt;Xn&gt;</a><text>, #</text><a link="sa_imm_1" hover="Bitmask immediate (field &quot;N:imms:immr&quot;)">&lt;imm&gt;</a></asmtemplate>
          <aliascond>Unconditionally</aliascond>
        </equivalent_to>
      </encoding>
    </iclass>
  </classes>
  <explanations scope="all">
    <explanation enclist="TST_ANDS_32S_log_imm" symboldefcount="1">
      <symbol link="sa_wn">&lt;Wn&gt;</symbol>
      <account encodedin="Rn">
        <intro>
          <para>Is the 32-bit name of the general-purpose source register, encoded in the "Rn" field.</para>
        </intro>
      </account>
    </explanation>
    <explanation enclist="TST_ANDS_64S_log_imm" symboldefcount="1">
      <symbol link="sa_xn">&lt;Xn&gt;</symbol>
      <account encodedin="Rn">
        <intro>
          <para>Is the 64-bit name of the general-purpose source register, encoded in the "Rn" field.</para>
        </intro>
      </account>
    </explanation>
    <explanation enclist="TST_ANDS_32S_log_imm" symboldefcount="1">
      <symbol link="sa_imm">&lt;imm&gt;</symbol>
      <account encodedin="immr:imms">
        <docvars>
          <docvar key="datatype" value="32" />
        </docvars>
        <intro>
          <para>For the 32-bit variant: is the bitmask immediate, encoded in "imms:immr".</para>
        </intro>
      </account>
    </explanation>
    <explanation enclist="TST_ANDS_64S_log_imm" symboldefcount="2">
      <symbol link="sa_imm_1">&lt;imm&gt;</symbol>
      <account encodedin="N:immr:imms">
        <docvars>
          <docvar key="datatype" value="64" />
        </docvars>
        <intro>
          <para>For the 64-bit variant: is the bitmask immediate, encoded in "N:imms:immr".</para>
        </intro>
      </account>
    </explanation>
  </explanations>
</instructionsection>