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As requested, a blurb on sub-targets.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23769 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2005-10-17 12:19:10 +00:00
parent 7d6915cf43
commit 82d61a18d5
1 changed files with 5 additions and 1 deletions

6
docs/CodeGenerator.html

@ -444,7 +444,11 @@ href="TableGenFundamentals.html">TableGen</a> description of the register file.
<div class="doc_text">
<p>
TODO
<p>The <tt>TargetSubtarget</tt> class is used to provide information about the
specific chip set being targeted. A sub-target informs code generation of
which instructions are supported, instruction latencies and instruction
execution itinerary; i.e., which processing units are used, in what order, and
for how long.
</p>
</div>