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doc: add mips, mips64 information to asm.html 

Fixes #18105

Change-Id: Id56e8782ff618761ec44b6dc20891c8b48fea8df
Reviewed-on: https://go-review.googlesource.com/34632
Reviewed-by: Rob Pike <r@golang.org>
This commit is contained in:
Vladimir Stefanovic 2016-12-20 18:24:40 +01:00 committed by Rob Pike
parent 2eae691d56
commit 6e87f88961
1 changed files with 38 additions and 0 deletions
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doc/asm.html
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@ -838,6 +838,44 @@ It is a scaled mode as on the x86, but the only scale allowed is <code>1</code>.
</ul>
<h3 id="mips">MIPS, MIPS64</h3>
<p>
General purpose registers are named <code>R0</code> through <code>R31</code>,
floating point registers are <code>F0</code> through <code>F31</code>.
</p>
<p>
<code>R30</code> is reserved to point to <code>g</code>.
<code>R23</code> is used as a temporary register.
</p>
<p>
In a <code>TEXT</code> directive, the frame size <code>$-4</code> for MIPS or
<code>$-8</code> for MIPS64 instructs the linker not to save <code>LR</code>.
</p>
<p>
<code>SP</code> refers to the virtual stack pointer.
For the hardware register, use <code>R29</code>.
</p>
<p>
Addressing modes:
</p>
<ul>
<li>
<code>16(R1)</code>: The location at <code>R1</code> plus 16.
</li>
<li>
<code>(R1)</code>: Alias for <code>0(R1)</code>.
</li>
</ul>
<h3 id="unsupported_opcodes">Unsupported opcodes</h3>
<p>