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authorDale Johannesen <dalej@apple.com>2009-10-13 21:56:55 +0000
committerDale Johannesen <dalej@apple.com>2009-10-13 21:56:55 +0000
commit09fed25a07287d12ba74ec5f00b479fe1a9b56b7 (patch)
tree31e94178d0c8f8d234ce0739a540d0fd9346b967
parent73d64a6fd3294b2b265d4ca7b5c9f76989459fb7 (diff)
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Documentation for the new msasm flag, which is no
worse than the rest of the asm documentation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84037 91177308-0d34-0410-b5e6-96231b3b80d8
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diff --git a/docs/LangRef.html b/docs/LangRef.html
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@@ -2338,8 +2338,10 @@ has undefined behavior.</p>
to <a href="#moduleasm"> Module-Level Inline Assembly</a>) through the use of
a special value. This value represents the inline assembler as a string
(containing the instructions to emit), a list of operand constraints (stored
- as a string), and a flag that indicates whether or not the inline asm
- expression has side effects. An example inline assembler expression is:</p>
+ as a string), a flag that indicates whether or not the inline asm
+ expression has side effects, and a flag indicating whether the asm came
+ originally from an asm block. An example inline assembler
+ expression is:</p>
<div class="doc_code">
<pre>
@@ -2367,6 +2369,18 @@ call void asm sideeffect "eieio", ""()
</pre>
</div>
+<p>Inline asms derived from asm blocks are similarly marked with the
+ '<tt>msasm</tt>' keyword:</p>
+
+<div class="doc_code">
+<pre>
+call void asm msasm "eieio", ""()
+</pre>
+</div>
+
+<p>If both keywords appear the '<tt>sideeffect</tt>' keyword must come
+ first.</p>
+
<p>TODO: The format of the asm and constraints string still need to be
documented here. Constraints on what can be done (e.g. duplication, moving,
etc need to be documented). This is probably best done by reference to