</p>
<p>
-The Go compilers support three instruction sets.
+The Go compilers support five instruction sets.
There are important differences in the quality of the compilers for the different
architectures.
</p>
<dl>
<dt>
- <code>amd64</code> (a.k.a. <code>x86-64</code>); <code>6g,6l,6c,6a</code>
+ <code>amd64</code> (also known as <code>x86-64</code>)
</dt>
<dd>
A mature implementation. The compiler has an effective
<code>gccgo</code> can do noticeably better sometimes).
</dd>
<dt>
- <code>386</code> (a.k.a. <code>x86</code> or <code>x86-32</code>); <code>8g,8l,8c,8a</code>
+ <code>386</code> (<code>x86</code> or <code>x86-32</code>)
</dt>
<dd>
Comparable to the <code>amd64</code> port.
</dd>
<dt>
- <code>arm</code> (a.k.a. <code>ARM</code>); <code>5g,5l,5c,5a</code>
+ <code>arm</code> (<code>ARM</code>)
</dt>
<dd>
- Supports Linux, FreeBSD and NetBSD binaries. Less widely used than the other ports.
+ Supports Linux, FreeBSD, NetBSD and Darwin binaries. Less widely used than the other ports.
+</dd>
+<dt>
+ <code>arm64</code> (<code>AArch64</code>)
+</dt>
+<dd>
+ Supports Linux and Darwin binaries. New in 1.5 and not as well excercised as other ports.
+</dd>
+<dt>
+ <code>ppc64, ppc64le</code> (64-bit PowerPC big- and little-endian)
+</dt>
+<dd>
+ Supports Linux binaries. New in 1.5 and not as well excercised as other ports.
</dd>
</dl>
<p>
Choices for <code>$GOOS</code> are
-<code>darwin</code> (Mac OS X 10.6 and above), <code>dragonfly</code>, <code>freebsd</code>,
-<code>linux</code>, <code>netbsd</code>, <code>openbsd</code>,
+<code>darwin</code> (Mac OS X 10.6 and above and iOS), <code>dragonfly</code>, <code>freebsd</code>,
+<code>linux</code>, <code>netbsd</code>, <code>openbsd</code>,
<code>plan9</code>, <code>solaris</code> and <code>windows</code>.
Choices for <code>$GOARCH</code> are
<code>amd64</code> (64-bit x86, the most mature port),
-<code>386</code> (32-bit x86), and <code>arm</code> (32-bit ARM).
+<code>386</code> (32-bit x86), <code>arm</code> (32-bit ARM), <code>arm64</code> (64-bit ARM),
+<code>ppc64le</code> (PowerPC 64-bit, little-endian), and <code>ppc64</code> (PowerPC 64-bit, big-endian).
The valid combinations of <code>$GOOS</code> and <code>$GOARCH</code> are:
<table cellpadding="0">
<tr>
<td></td><td><code>darwin</code></td> <td><code>amd64</code></td>
</tr>
<tr>
-<td></td><td><code>dragonfly</code></td> <td><code>386</code></td>
+<td></td><td><code>darwin</code></td> <td><code>arm</code></td>
+</tr>
+<tr>
+<td></td><td><code>darwin</code></td> <td><code>arm64</code></td>
</tr>
<tr>
<td></td><td><code>dragonfly</code></td> <td><code>amd64</code></td>
<td></td><td><code>linux</code></td> <td><code>arm</code></td>
</tr>
<tr>
+<td></td><td><code>linux</code></td> <td><code>arm64</code></td>
+</tr>
+<tr>
+<td></td><td><code>linux</code></td> <td><code>ppc64</code></td>
+</tr>
+<tr>
+<td></td><td><code>linux</code></td> <td><code>ppc64le</code></td>
+</tr>
+<tr>
<td></td><td><code>netbsd</code></td> <td><code>386</code></td>
</tr>
<tr>
<td></td><td><code>openbsd</code></td> <td><code>amd64</code></td>
</tr>
<tr>
+<td></td><td><code>openbsd</code></td> <td><code>arm</code></td>
+</tr>
+<tr>
<td></td><td><code>plan9</code></td> <td><code>386</code></td>
</tr>
<tr>