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Add example for vec_pmsum_be 

`vec_pmsum_be` is complex enough to warrant an example.

Fixes #33.

Signed-off-by: Paul A. Clarke <pc@us.ibm.com>
pull/69/head
Paul Clarke 3 years ago committed by Bill Schmidt
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1 changed files with 99 additions and 0 deletions
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      Intrinsics_Reference/ch_vec_reference.xml

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Intrinsics_Reference/ch_vec_reference.xml
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@ -25228,6 +25228,105 @@ xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="VIPR.vec-ref"> @@ -25228,6 +25228,105 @@ xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="VIPR.vec-ref">
<emphasis>i</emphasis> + 1 of <emphasis role="bold">a</emphasis> and
<emphasis role="bold">b</emphasis>.
</para>
<para>An example follows for inputs of type vector unsigned int:
<informaltable frame="all">
<tgroup cols="5">
<colspec colname="c0" colwidth="20*" />
<colspec colname="c1L" colwidth="10*" />
<colspec colname="c1R" colwidth="10*" />
<colspec colname="c2L" colwidth="10*" />
<colspec colname="c2R" colwidth="10*" />
<spanspec spanname="c1" namest="c1L" nameend="c1R"/>
<spanspec spanname="c2" namest="c2L" nameend="c2R"/>
<tbody>
<row>
<entry align="center" valign="middle">
<para> <emphasis role="bold">a</emphasis> </para>
</entry>
<entry align="center" valign="middle">
<para>A3000000</para>
</entry>
<entry align="center" valign="middle">
<para>00A20000</para>
</entry>
<entry align="center" valign="middle">
<para>0000A100</para>
</entry>
<entry align="center" valign="middle">
<para>000000A0</para>
</entry>
</row>
<row>
<entry align="center" valign="middle">
<para> <emphasis role="bold">b</emphasis> </para>
</entry>
<entry align="center" valign="middle">
<para>00B30000</para>
</entry>
<entry align="center" valign="middle">
<para>0000B200</para>
</entry>
<entry align="center" valign="middle">
<para>000000B1</para>
</entry>
<entry align="center" valign="middle">
<para>B00000B0</para>
</entry>
</row>
<row>
<entry align="center" valign="middle">
<para> <emphasis>binary polynomial multiplicands</emphasis> </para>
</entry>
<entry align="center" valign="middle">
<para>A3000000</para>
<para>00B30000</para>
</entry>
<entry align="center" valign="middle">
<para>00A20000</para>
<para>0000B200</para>
</entry>
<entry align="center" valign="middle">
<para>0000A100</para>
<para>000000B1</para>
</entry>
<entry align="center" valign="middle">
<para>000000A0</para>
<para>B00000B0</para>
</entry>
</row>
<row>
<entry align="center" valign="middle">
<para> <emphasis>intermediate results</emphasis> </para>
<para> <emphasis>XOR operands</emphasis> </para>
</entry>
<entry align="center" valign="middle">
<para>004E350000000000</para>
</entry>
<entry align="center" valign="middle">
<para>0000004E24000000</para>
</entry>
<entry align="center" valign="middle">
<para>00000000004E1100</para>
</entry>
<entry align="center" valign="middle">
<para>0000004E00004E00</para>
</entry>
</row>
<row>
<entry align="center" valign="middle">
<para> <emphasis role="bold">r</emphasis> </para>
</entry>
<entry align="center" spanname="c1" valign="middle">
<para>004E354E24000000</para>
</entry>
<entry align="center" spanname="c2" valign="middle">
<para>0000004E004E5F00</para>
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
<para><emphasis role="bold">Endian considerations:</emphasis>
All element numberings in the above description denote big-endian

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