libstdc++: Document new std::random_device tokens
libstdc++-v3/ChangeLog: * doc/xml/manual/status_cxx2011.xml: Document new tokens accepted by std::random_device constructor. * doc/html/manual/status.html: Regenerate.
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@ -325,6 +325,19 @@ particular release.
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instruction to read from an on-chip hardware random number generator.
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These tokens are only valid for x86 and x86_64 targets when both
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the assembler and CPU support the corresponding instruction.
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</dd><dt><span class="term"><code class="literal">"darn"</code></span></dt><dd>
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Use the Power ISA-3.0 <code class="literal">DARN</code>
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("Deliver A Random Number")
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instruction to read from an on-chip hardware random number generator.
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This token is only valid for 64-bit powerpc targets when both
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the assembler and CPU support the corresponding instruction.
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</dd><dt><span class="term"><code class="literal">"hw"</code>, </span><span class="term"><code class="literal">"hardware"</code></span></dt><dd>
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Use any available CPU
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instruction to read from an on-chip hardware random number generator.
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This is equivalent to trying each of the following and using the
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first that is supported:
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<code class="literal">"rdseed"</code><code class="literal">"rdrand"</code><code class="literal">"darn"</code></dd><dt><span class="term"><code class="literal">"arc4random"</code>, </span><span class="term"><code class="literal">"getentropy"</code></span></dt><dd>
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Use the named C library function, if available on the target.
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</dd><dt><span class="term"><code class="literal">"/dev/urandom"</code>, </span><span class="term"><code class="literal">"/dev/random"</code></span></dt><dd>
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Use the named character special file to read random bytes from.
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These tokens are only valid when the device files are present
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@ -2720,6 +2720,36 @@ particular release.
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the assembler and CPU support the corresponding instruction.
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><literal>"darn"</literal></term>
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<listitem>
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Use the Power ISA-3.0 <literal>DARN</literal>
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("Deliver A Random Number")
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instruction to read from an on-chip hardware random number generator.
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This token is only valid for 64-bit powerpc targets when both
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the assembler and CPU support the corresponding instruction.
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><literal>"hw"</literal></term>
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<term><literal>"hardware"</literal></term>
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<listitem>
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Use any available CPU
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instruction to read from an on-chip hardware random number generator.
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This is equivalent to trying each of the following and using the
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first that is supported:
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<literal>"rdseed"</literal>
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<literal>"rdrand"</literal>
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<literal>"darn"</literal>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><literal>"arc4random"</literal></term>
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<term><literal>"getentropy"</literal></term>
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<listitem>
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Use the named C library function, if available on the target.
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><literal>"/dev/urandom"</literal></term>
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<term><literal>"/dev/random"</literal></term>
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