mirror of
https://github.com/pound-emu/ballistic.git
synced 2026-01-31 01:15:21 +01:00
262 lines
13 KiB
XML
262 lines
13 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
|
|
<?xml-stylesheet type="text/xsl" encoding="UTF-8" href="iform.xsl" version="1.0"?>
|
|
<!DOCTYPE instructionsection PUBLIC "-//ARM//DTD instructionsection //EN" "iform-p.dtd">
|
|
<!-- Copyright (c) 2010-2022 Arm Limited or its affiliates. All rights reserved. -->
|
|
<!-- 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. -->
|
|
|
|
<instructionsection id="zip1_p_pp" title="ZIP1, ZIP2 (predicates)" type="instruction">
|
|
<docvars>
|
|
<docvar key="instr-class" value="sve" />
|
|
<docvar key="isa" value="A64" />
|
|
</docvars>
|
|
<heading>ZIP1, ZIP2 (predicates)</heading>
|
|
<desc>
|
|
<brief>Interleave elements from two half predicates</brief>
|
|
<description>
|
|
<para>Interleave alternating elements from the lowest or highest halves of the first and second source predicates and place in elements of the destination predicate. This instruction is unpredicated.</para>
|
|
</description>
|
|
<status>Green</status>
|
|
<predicated>False</predicated>
|
|
<uses_dit condition="FEAT_SVE2 is implemented or FEAT_SME is implemented">True</uses_dit>
|
|
</desc>
|
|
<alias_list howmany="0"></alias_list>
|
|
<classes>
|
|
<classesintro count="2">
|
|
<txt>It has encodings from 2 classes:</txt>
|
|
<a href="#iclass_sve_high_halves">High halves</a>
|
|
<txt> and </txt>
|
|
<a href="#iclass_sve_low_halves">Low halves</a>
|
|
</classesintro>
|
|
<iclass name="High halves" oneof="2" id="iclass_sve_high_halves" no_encodings="1" isa="A64">
|
|
<docvars>
|
|
<docvar key="instr-class" value="sve" />
|
|
<docvar key="isa" value="A64" />
|
|
<docvar key="mnemonic" value="ZIP2" />
|
|
<docvar key="sve-halves" value="sve-high-halves" />
|
|
</docvars>
|
|
<iclassintro count="1"></iclassintro>
|
|
<regdiagram form="32" psname="ZIP2-P.PP-_" tworows="1">
|
|
<box hibit="31" width="8" settings="8">
|
|
<c>0</c>
|
|
<c>0</c>
|
|
<c>0</c>
|
|
<c>0</c>
|
|
<c>0</c>
|
|
<c>1</c>
|
|
<c>0</c>
|
|
<c>1</c>
|
|
</box>
|
|
<box hibit="23" width="2" name="size" usename="1">
|
|
<c colspan="2"></c>
|
|
</box>
|
|
<box hibit="21" width="2" settings="2">
|
|
<c>1</c>
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="19" width="4" name="Pm" usename="1">
|
|
<c colspan="4"></c>
|
|
</box>
|
|
<box hibit="15" width="3" settings="3">
|
|
<c>0</c>
|
|
<c>1</c>
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="12" name="opc<1>" settings="1">
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="11" name="opc<0>" settings="1">
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="10" name="H" usename="1" settings="1">
|
|
<c>1</c>
|
|
</box>
|
|
<box hibit="9" settings="1">
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="8" width="4" name="Pn" usename="1">
|
|
<c colspan="4"></c>
|
|
</box>
|
|
<box hibit="4" settings="1">
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="3" width="4" name="Pd" usename="1">
|
|
<c colspan="4"></c>
|
|
</box>
|
|
</regdiagram>
|
|
<encoding name="zip2_p_pp_" oneofinclass="1" oneof="2" label="">
|
|
<docvars>
|
|
<docvar key="instr-class" value="sve" />
|
|
<docvar key="isa" value="A64" />
|
|
<docvar key="mnemonic" value="ZIP2" />
|
|
<docvar key="sve-halves" value="sve-high-halves" />
|
|
</docvars>
|
|
<asmtemplate><text>ZIP2 </text><a link="sa_pd" hover="Destination scalable predicate register (field "Pd")"><Pd></a><text>.</text><a link="sa_t" hover="Size specifier (field "size") [B,D,H,S]"><T></a><text>, </text><a link="sa_pn" hover="First source scalable predicate register (field "Pn")"><Pn></a><text>.</text><a link="sa_t" hover="Size specifier (field "size") [B,D,H,S]"><T></a><text>, </text><a link="sa_pm" hover="Second source scalable predicate register (field "Pm")"><Pm></a><text>.</text><a link="sa_t" hover="Size specifier (field "size") [B,D,H,S]"><T></a></asmtemplate>
|
|
</encoding>
|
|
<ps_section howmany="1">
|
|
<ps name="ZIP2-P.PP-_" mylink="ZIP2-P.PP-_" enclabels="" sections="1" secttype="noheading">
|
|
<pstext mayhavelinks="1" section="Decode" rep_section="decode">if !<a link="impl-aarch64.HaveSVE.0" file="shared_pseudocode.xml" hover="function: boolean HaveSVE()">HaveSVE</a>() && !<a link="impl-aarch64.HaveSME.0" file="shared_pseudocode.xml" hover="function: boolean HaveSME()">HaveSME</a>() then UNDEFINED;
|
|
constant integer esize = 8 << <a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(size);
|
|
integer n = <a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(Pn);
|
|
integer m = <a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(Pm);
|
|
integer d = <a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(Pd);
|
|
integer part = 1;</pstext>
|
|
</ps>
|
|
</ps_section>
|
|
</iclass>
|
|
<iclass name="Low halves" oneof="2" id="iclass_sve_low_halves" no_encodings="1" isa="A64">
|
|
<docvars>
|
|
<docvar key="instr-class" value="sve" />
|
|
<docvar key="isa" value="A64" />
|
|
<docvar key="mnemonic" value="ZIP1" />
|
|
<docvar key="sve-halves" value="sve-low-halves" />
|
|
</docvars>
|
|
<iclassintro count="1"></iclassintro>
|
|
<regdiagram form="32" psname="ZIP1-P.PP-_" tworows="1">
|
|
<box hibit="31" width="8" settings="8">
|
|
<c>0</c>
|
|
<c>0</c>
|
|
<c>0</c>
|
|
<c>0</c>
|
|
<c>0</c>
|
|
<c>1</c>
|
|
<c>0</c>
|
|
<c>1</c>
|
|
</box>
|
|
<box hibit="23" width="2" name="size" usename="1">
|
|
<c colspan="2"></c>
|
|
</box>
|
|
<box hibit="21" width="2" settings="2">
|
|
<c>1</c>
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="19" width="4" name="Pm" usename="1">
|
|
<c colspan="4"></c>
|
|
</box>
|
|
<box hibit="15" width="3" settings="3">
|
|
<c>0</c>
|
|
<c>1</c>
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="12" name="opc<1>" settings="1">
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="11" name="opc<0>" settings="1">
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="10" name="H" usename="1" settings="1">
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="9" settings="1">
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="8" width="4" name="Pn" usename="1">
|
|
<c colspan="4"></c>
|
|
</box>
|
|
<box hibit="4" settings="1">
|
|
<c>0</c>
|
|
</box>
|
|
<box hibit="3" width="4" name="Pd" usename="1">
|
|
<c colspan="4"></c>
|
|
</box>
|
|
</regdiagram>
|
|
<encoding name="zip1_p_pp_" oneofinclass="1" oneof="2" label="">
|
|
<docvars>
|
|
<docvar key="instr-class" value="sve" />
|
|
<docvar key="isa" value="A64" />
|
|
<docvar key="mnemonic" value="ZIP1" />
|
|
<docvar key="sve-halves" value="sve-low-halves" />
|
|
</docvars>
|
|
<asmtemplate><text>ZIP1 </text><a link="sa_pd" hover="Destination scalable predicate register (field "Pd")"><Pd></a><text>.</text><a link="sa_t" hover="Size specifier (field "size") [B,D,H,S]"><T></a><text>, </text><a link="sa_pn" hover="First source scalable predicate register (field "Pn")"><Pn></a><text>.</text><a link="sa_t" hover="Size specifier (field "size") [B,D,H,S]"><T></a><text>, </text><a link="sa_pm" hover="Second source scalable predicate register (field "Pm")"><Pm></a><text>.</text><a link="sa_t" hover="Size specifier (field "size") [B,D,H,S]"><T></a></asmtemplate>
|
|
</encoding>
|
|
<ps_section howmany="1">
|
|
<ps name="ZIP1-P.PP-_" mylink="ZIP1-P.PP-_" enclabels="" sections="1" secttype="noheading">
|
|
<pstext mayhavelinks="1" section="Decode" rep_section="decode">if !<a link="impl-aarch64.HaveSVE.0" file="shared_pseudocode.xml" hover="function: boolean HaveSVE()">HaveSVE</a>() && !<a link="impl-aarch64.HaveSME.0" file="shared_pseudocode.xml" hover="function: boolean HaveSME()">HaveSME</a>() then UNDEFINED;
|
|
constant integer esize = 8 << <a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(size);
|
|
integer n = <a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(Pn);
|
|
integer m = <a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(Pm);
|
|
integer d = <a link="impl-shared.UInt.1" file="shared_pseudocode.xml" hover="function: integer UInt(bits(N) x)">UInt</a>(Pd);
|
|
integer part = 0;</pstext>
|
|
</ps>
|
|
</ps_section>
|
|
</iclass>
|
|
</classes>
|
|
<explanations scope="all">
|
|
<explanation enclist="zip1_p_pp_, zip2_p_pp_" symboldefcount="1">
|
|
<symbol link="sa_pd"><Pd></symbol>
|
|
<account encodedin="Pd">
|
|
<intro>
|
|
<para>Is the name of the destination scalable predicate register, encoded in the "Pd" field.</para>
|
|
</intro>
|
|
</account>
|
|
</explanation>
|
|
<explanation enclist="zip1_p_pp_, zip2_p_pp_" symboldefcount="1">
|
|
<symbol link="sa_t"><T></symbol>
|
|
<definition encodedin="size">
|
|
<intro>Is the size specifier, </intro>
|
|
<table class="valuetable">
|
|
<tgroup cols="2">
|
|
<thead>
|
|
<row>
|
|
<entry class="bitfield">size</entry>
|
|
<entry class="symbol"><T></entry>
|
|
</row>
|
|
</thead>
|
|
<tbody>
|
|
<row>
|
|
<entry class="bitfield">00</entry>
|
|
<entry class="symbol">B</entry>
|
|
</row>
|
|
<row>
|
|
<entry class="bitfield">01</entry>
|
|
<entry class="symbol">H</entry>
|
|
</row>
|
|
<row>
|
|
<entry class="bitfield">10</entry>
|
|
<entry class="symbol">S</entry>
|
|
</row>
|
|
<row>
|
|
<entry class="bitfield">11</entry>
|
|
<entry class="symbol">D</entry>
|
|
</row>
|
|
</tbody>
|
|
</tgroup>
|
|
</table>
|
|
</definition>
|
|
</explanation>
|
|
<explanation enclist="zip1_p_pp_, zip2_p_pp_" symboldefcount="1">
|
|
<symbol link="sa_pn"><Pn></symbol>
|
|
<account encodedin="Pn">
|
|
<intro>
|
|
<para>Is the name of the first source scalable predicate register, encoded in the "Pn" field.</para>
|
|
</intro>
|
|
</account>
|
|
</explanation>
|
|
<explanation enclist="zip1_p_pp_, zip2_p_pp_" symboldefcount="1">
|
|
<symbol link="sa_pm"><Pm></symbol>
|
|
<account encodedin="Pm">
|
|
<intro>
|
|
<para>Is the name of the second source scalable predicate register, encoded in the "Pm" field.</para>
|
|
</intro>
|
|
</account>
|
|
</explanation>
|
|
</explanations>
|
|
<ps_section howmany="1">
|
|
<ps name="ZIP2-P.PP-_" mylink="execute" enclabels="" sections="1" secttype="Operation">
|
|
<pstext mayhavelinks="1" section="Execute" rep_section="execute"><a link="impl-aarch64.CheckSVEEnabled.0" file="shared_pseudocode.xml" hover="function: CheckSVEEnabled()">CheckSVEEnabled</a>();
|
|
constant integer VL = <a link="impl-aarch64.CurrentVL.read.none" file="shared_pseudocode.xml" hover="accessor: integer CurrentVL">CurrentVL</a>;
|
|
constant integer PL = VL DIV 8;
|
|
constant integer pairs = VL DIV (esize * 2);
|
|
bits(PL) operand1 = <a link="impl-aarch64.P.read.2" file="shared_pseudocode.xml" hover="accessor: bits(width) P[integer n, integer width]">P</a>[n, PL];
|
|
bits(PL) operand2 = <a link="impl-aarch64.P.read.2" file="shared_pseudocode.xml" hover="accessor: bits(width) P[integer n, integer width]">P</a>[m, PL];
|
|
bits(PL) result;
|
|
|
|
integer base = part * pairs;
|
|
for p = 0 to pairs-1
|
|
<a link="impl-shared.Elem.write.3" file="shared_pseudocode.xml" hover="accessor: Elem[bits(N) &vector, integer e, integer size] = bits(size) value">Elem</a>[result, 2*p+0, esize DIV 8] = <a link="impl-shared.Elem.read.3" file="shared_pseudocode.xml" hover="accessor: bits(size) Elem[bits(N) vector, integer e, integer size]">Elem</a>[operand1, base+p, esize DIV 8];
|
|
<a link="impl-shared.Elem.write.3" file="shared_pseudocode.xml" hover="accessor: Elem[bits(N) &vector, integer e, integer size] = bits(size) value">Elem</a>[result, 2*p+1, esize DIV 8] = <a link="impl-shared.Elem.read.3" file="shared_pseudocode.xml" hover="accessor: bits(size) Elem[bits(N) vector, integer e, integer size]">Elem</a>[operand2, base+p, esize DIV 8];
|
|
|
|
<a link="impl-aarch64.P.write.2" file="shared_pseudocode.xml" hover="accessor: P[integer n, integer width] = bits(width) value">P</a>[d, PL] = result;</pstext>
|
|
</ps>
|
|
</ps_section>
|
|
</instructionsection>
|