mirror of
https://github.com/pound-emu/ballistic.git
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137 lines
6.6 KiB
XML
137 lines
6.6 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<?xml-stylesheet type="text/xsl" encoding="UTF-8" href="iform.xsl" version="1.0"?>
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<!DOCTYPE instructionsection PUBLIC "-//ARM//DTD instructionsection //EN" "iform-p.dtd">
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<!-- Copyright (c) 2010-2022 Arm Limited or its affiliates. All rights reserved. -->
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<!-- This document is Non-Confidential. This document may only be used and distributed in accordance with the terms of the agreement entered into by Arm and the party that Arm delivered this document to. -->
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<instructionsection id="GMI" title="GMI -- A64" type="instruction">
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<docvars>
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<docvar key="instr-class" value="general" />
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<docvar key="isa" value="A64" />
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<docvar key="mnemonic" value="GMI" />
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</docvars>
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<heading>GMI</heading>
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<desc>
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<brief>
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<para>Tag Mask Insert</para>
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</brief>
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<authored>
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<para>Tag Mask Insert inserts the tag in the first source register into the excluded set specified in the second source register, writing the new excluded set to the destination register.</para>
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</authored>
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</desc>
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<alias_list howmany="0"></alias_list>
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<classes>
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<iclass name="Integer" oneof="1" id="iclass_general" no_encodings="1" isa="A64">
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<docvars>
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<docvar key="instr-class" value="general" />
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<docvar key="isa" value="A64" />
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<docvar key="mnemonic" value="GMI" />
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</docvars>
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<iclassintro count="1"></iclassintro>
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<arch_variants>
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<arch_variant name="ARMv8.5" feature="FEAT_MTE" />
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</arch_variants>
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<regdiagram form="32" psname="aarch64/instrs/integer/tags/mcinserttagmask">
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<box hibit="31" name="sf" settings="1">
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<c>1</c>
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</box>
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<box hibit="30" settings="1">
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<c>0</c>
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</box>
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<box hibit="29" name="S" settings="1">
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<c>0</c>
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</box>
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<box hibit="28" width="8" settings="8">
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<c>1</c>
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<c>1</c>
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<c>0</c>
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<c>1</c>
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<c>0</c>
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<c>1</c>
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<c>1</c>
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<c>0</c>
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</box>
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<box hibit="20" width="5" name="Xm" usename="1">
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<c colspan="5"></c>
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</box>
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<box hibit="15" name="opcode<5>" settings="1">
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<c>0</c>
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</box>
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<box hibit="14" name="opcode<4>" settings="1">
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<c>0</c>
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</box>
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<box hibit="13" name="opcode<3>" settings="1">
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<c>0</c>
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</box>
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<box hibit="12" name="opcode<2>" settings="1">
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<c>1</c>
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</box>
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<box hibit="11" name="opcode<1>" settings="1">
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<c>0</c>
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</box>
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<box hibit="10" name="opcode<0>" settings="1">
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<c>1</c>
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</box>
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<box hibit="9" width="5" name="Xn" usename="1">
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<c colspan="5"></c>
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</box>
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<box hibit="4" width="5" name="Xd" usename="1">
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<c colspan="5"></c>
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</box>
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</regdiagram>
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<encoding name="GMI_64G_dp_2src" oneofinclass="1" oneof="1" label="">
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<docvars>
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<docvar key="instr-class" value="general" />
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<docvar key="isa" value="A64" />
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<docvar key="mnemonic" value="GMI" />
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</docvars>
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<asmtemplate><text>GMI </text><a link="sa_xd" hover="64-bit general-purpose destination register (field "Xd")"><Xd></a><text>, </text><a link="sa_xn_sp" hover="First 64-bit source general-purpose register or SP (field "Xn")"><Xn|SP></a><text>, </text><a link="sa_xm" hover="Second 64-bit general-purpose source register (field "Xm")"><Xm></a></asmtemplate>
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</encoding>
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<ps_section howmany="1">
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<ps name="aarch64/instrs/integer/tags/mcinserttagmask" mylink="aarch64.instrs.integer.tags.mcinserttagmask" enclabels="" sections="1" secttype="noheading">
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<pstext mayhavelinks="1" section="Decode" rep_section="decode">if !<a link="impl-shared.HaveMTEExt.0" file="shared_pseudocode.xml" hover="function: boolean HaveMTEExt()">HaveMTEExt</a>() then UNDEFINED;
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integer d = <a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(Xd);
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integer n = <a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(Xn);
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integer m = <a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(Xm);</pstext>
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</ps>
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</ps_section>
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</iclass>
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</classes>
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<explanations scope="all">
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<explanation enclist="GMI_64G_dp_2src" symboldefcount="1">
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<symbol link="sa_xd"><Xd></symbol>
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<account encodedin="Xd">
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<intro>
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<para>Is the 64-bit name of the general-purpose destination register, encoded in the "Xd" field.</para>
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</intro>
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</account>
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</explanation>
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<explanation enclist="GMI_64G_dp_2src" symboldefcount="1">
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<symbol link="sa_xn_sp"><Xn|SP></symbol>
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<account encodedin="Xn">
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<intro>
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<para>Is the 64-bit name of the first source general-purpose register or stack pointer, encoded in the "Xn" field.</para>
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</intro>
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</account>
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</explanation>
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<explanation enclist="GMI_64G_dp_2src" symboldefcount="1">
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<symbol link="sa_xm"><Xm></symbol>
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<account encodedin="Xm">
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<intro>
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<para>Is the 64-bit name of the second general-purpose source register, encoded in the "Xm" field.</para>
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</intro>
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</account>
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</explanation>
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</explanations>
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<ps_section howmany="1">
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<ps name="aarch64/instrs/integer/tags/mcinserttagmask" mylink="execute" enclabels="" sections="1" secttype="Operation">
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<pstext mayhavelinks="1" section="Execute" rep_section="execute">bits(64) address = if n == 31 then <a link="impl-aarch64.SP.read.0" file="shared_pseudocode.xml" hover="accessor: bits(64) SP[]">SP</a>[] else <a link="impl-aarch64.X.read.2" file="shared_pseudocode.xml" hover="accessor: bits(width) X[integer n, integer width]">X</a>[n, 64];
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bits(64) mask = <a link="impl-aarch64.X.read.2" file="shared_pseudocode.xml" hover="accessor: bits(width) X[integer n, integer width]">X</a>[m, 64];
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bits(4) tag = <a link="AArch64.AllocationTagFromAddress.1" file="shared_pseudocode.xml" hover="function: bits(4) AArch64.AllocationTagFromAddress(bits(64) tagged_address)">AArch64.AllocationTagFromAddress</a>(address);
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mask<<a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(tag)> = '1';
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<a link="impl-aarch64.X.write.2" file="shared_pseudocode.xml" hover="accessor: X[integer n, integer width] = bits(width) value">X</a>[d, 64] = mask;</pstext>
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</ps>
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</ps_section>
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</instructionsection>
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