undo debugging code

[ghc-hetmet.git] / docs / users_guide / using.xml

diff --git a/docs/users_guide/using.xml b/docs/users_guide/using.xml
index eb6b0c0..6ffdf2a 100644 (file)
--- a/docs/users_guide/using.xml
+++ b/docs/users_guide/using.xml
@@ -1841,7 +1841,7 @@ f "2"    = 2
       special option or libraries compiled in a certain way.  To get access to
       the support libraries for Concurrent Haskell, just import
       <ulink
-       url="../libraries/base/Control-Concurrent.html"><literal>Control.Concurrent</literal></ulink>.  More information on Concurrent Haskell is provided in the documentation for that module.</para>
+       url="&libraryBaseLocation;/Control-Concurrent.html"><literal>Control.Concurrent</literal></ulink>.  More information on Concurrent Haskell is provided in the documentation for that module.</para>
 
     <para>The following RTS option(s) affect the behaviour of Concurrent
       Haskell programs:<indexterm><primary>RTS options, concurrent</primary></indexterm></para>
@@ -2074,9 +2074,27 @@ f "2"    = 2
     <variablelist>
 
       <varlistentry>
+       <term><option>-msse2</option>:</term>
+       <listitem>
+          <para>
+            (x86 only, added in GHC 6.14.1) Use the SSE2 registers and
+            instruction set to implement floating point operations
+            when using the native code generator.  This gives a
+            substantial performance improvement for floating point,
+            but the resulting compiled code will only run on
+            processors that support SSE2 (Intel Pentium 4 and later,
+            or AMD Athlon 64 and later).
+          </para>
+          <para>
+            SSE2 is unconditionally used on x86-64 platforms.
+          </para>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry>
        <term><option>-monly-[32]-regs</option>:</term>
        <listitem>
-         <para>(iX86 machines)<indexterm><primary>-monly-N-regs
+         <para>(x86 only)<indexterm><primary>-monly-N-regs
           option (iX86 only)</primary></indexterm> GHC tries to
           &ldquo;steal&rdquo; four registers from GCC, for performance
           reasons; it almost always works.  However, when GCC is
@@ -2107,7 +2125,7 @@ statements or clauses.
 
   <para>GHC can dump its optimized intermediate code (said to be in &ldquo;Core&rdquo; format) 
   to a file as a side-effect of compilation. Non-GHC back-end tools can read and process Core files; these files have the suffix
-  <filename>.hcr</filename>. The Core format is described in <ulink url="../ext-core/core.pdf">
+  <filename>.hcr</filename>. The Core format is described in <ulink url="../../core.pdf">
   <citetitle>An External Representation for the GHC Core Language</citetitle></ulink>, 
   and sample tools
   for manipulating Core files (in Haskell) are in the GHC source distribution