Revert "content/static/doc: update install docs for 387->softfloat transition"
This reverts commit fa50201c070a5a86377b23d38e0c92f5f6e6ac17.
Reason for revert: Shouldn't submit until 1.16 is released.
Also needs a rebuild of static.go when submitted (CL 261517).
Change-Id: Ib3548c759ee748cb063a44c3d165d796b8d8ef3c
Reviewed-on: https://go-review.googlesource.com/c/website/+/261557
Reviewed-by: Alberto Donizetti <alb.donizetti@gmail.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Alberto Donizetti <alb.donizetti@gmail.com>
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
diff --git a/content/static/doc/install-source.html b/content/static/doc/install-source.html
index c1db421..9f7b6c5 100644
--- a/content/static/doc/install-source.html
+++ b/content/static/doc/install-source.html
@@ -662,13 +662,16 @@
<code>arm</code> on an x86 system.
</p>
-<li><code>$GO386</code> (for <code>386</code> only, defaults to <code>sse2</code>)
+<li><code>$GO386</code> (for <code>386</code> only, default is auto-detected
+if built on either <code>386</code> or <code>amd64</code>, <code>387</code> otherwise)
<p>
-This variable controls how gc implements floating point computations.
+This controls the code generated by gc to use either the 387 floating-point unit
+(set to <code>387</code>) or SSE2 instructions (set to <code>sse2</code>) for
+floating point computations.
</p>
<ul>
- <li><code>GO386=softfloat</code>: use software floating point operations; should support all x86 chips (Pentium MMX or later).</li>
- <li><code>GO386=sse2</code>: use SSE2 for floating point operations; has better performance but only available on Pentium 4/Opteron/Athlon 64 or later.</li>
+ <li><code>GO386=387</code>: use x87 for floating point operations; should support all x86 chips (Pentium MMX or later).</li>
+ <li><code>GO386=sse2</code>: use SSE2 for floating point operations; has better performance than 387, but only available on Pentium 4/Opteron/Athlon 64 or later.</li>
</ul>
</li>
