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authorMisha Brukman <brukman+llvm@gmail.com>2004-12-27 19:05:16 +0000
committerMisha Brukman <brukman+llvm@gmail.com>2004-12-27 19:05:16 +0000
commitc57b9eb58112e576306eb7de1e8eefdc7afa376f (patch)
treeffe198affa2c48fe9a884d843728fe0857ea0df3 /llvm/docs
parentbb3d4a1b6481309f1a84bcf188ad632baba87a88 (diff)
downloadbcm5719-llvm-c57b9eb58112e576306eb7de1e8eefdc7afa376f.tar.gz
bcm5719-llvm-c57b9eb58112e576306eb7de1e8eefdc7afa376f.zip
Add a note about registering the backend so it's available in LLC and LLI
llvm-svn: 19168
Diffstat (limited to 'llvm/docs')
-rw-r--r--llvm/docs/WritingAnLLVMBackend.html12
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/docs/WritingAnLLVMBackend.html b/llvm/docs/WritingAnLLVMBackend.html
index 4066eec1dfa..dcea204e47c 100644
--- a/llvm/docs/WritingAnLLVMBackend.html
+++ b/llvm/docs/WritingAnLLVMBackend.html
@@ -91,6 +91,18 @@ implement the following:</p>
href="CodeGenerator.html#targetmachine">TargetMachine</a></tt>, which
configures <tt><a href="CodeGenerator.html#targetdata">TargetData</a></tt>
correctly</li>
+ <li>Register your new target using the <tt>RegisterTarget</tt>
+ template:<br><br>
+<div class="doc_code"><pre>
+RegisterTarget&lt;<em>MyTargetMachine</em>&gt; M("short_name", " Target name");
+</pre></div>
+ <br>Here, <em>MyTargetMachine</em> is the name of your implemented
+ subclass of <tt><a
+ href="CodeGenerator.html#targetmachine">TargetMachine</a></tt>,
+ <em>short_name</em> is the option that will be active following
+ <tt>-march=</tt> to select a target in llc and lli, and the last string
+ is the description of your target to appear in <tt>-help</tt>
+ listing.</li>
</ul></li>
<li>Implement the assembly printer for the architecture. Usually, if you have
described the instruction set with the assembly printer generator in mind, that
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