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No longer referencing "shared memory" as this can confuse people. The memory is 

clearly shared between processors if these instructions are being used, no 
further specification of what type of memory is necessary.

llvm-svn: 40118
This commit is contained in:
Chandler Carruth 2007-07-20 20:14:52 +00:00
parent 65a72e3775
commit fd418435be
1 changed files with 13 additions and 13 deletions
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26
llvm/docs/LangRef.html
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@ -4841,7 +4841,7 @@ Handling</a> document. </p>
provides an interface to the hardware, not an interface to the programmer. It
is aimed at a low enough level to allow any programming models or APIs which
need atomic behaviors to map cleanly onto it. It is also modeled primarily on
hardware behavior. Just as hardware provides a "unviresal IR" for source
hardware behavior. Just as hardware provides a "universal IR" for source
languages, it also provides a starting point for developing a "universal"
atomic operation and synchronization IR.
</p>
@ -4873,8 +4873,8 @@ declare i64 @llvm.atomic.lcs.i64.i64p.i64.i64( i64* &lt;ptr&gt;, i64 &lt;cmp&gt;
</pre>
<h5>Overview:</h5>
<p>
This loads a value in shared memory and compares it to a given value. If they
are equal, it stores a new value into the shared memory.
This loads a value in memory and compares it to a given value. If they are
equal, it stores a new value into the memory.
</p>
<h5>Arguments:</h5>
<p>
@ -4887,10 +4887,10 @@ declare i64 @llvm.atomic.lcs.i64.i64p.i64.i64( i64* &lt;ptr&gt;, i64 &lt;cmp&gt;
<h5>Semantics:</h5>
<p>
This entire intrinsic must be executed atomically. It first loads the value
in shared memory pointed to by <tt>ptr</tt> and compares it with the value
<tt>cmp</tt>. If they are equal, <tt>val</tt> is stored into the shared
memory. The loaded value is yielded in all cases. This provides the
equivalent of an atomic compare-and-swap operation within the SSA framework.
in memory pointed to by <tt>ptr</tt> and compares it with the value
<tt>cmp</tt>. If they are equal, <tt>val</tt> is stored into the memory. The
loaded value is yielded in all cases. This provides the equivalent of an
atomic compare-and-swap operation within the SSA framework.
</p>
<h5>Examples:</h5>
<pre>
@ -4928,9 +4928,9 @@ declare i64 @llvm.atomic.ls.i64.i64p.i64( i64* &lt;ptr&gt;, i64 &lt;val&gt; )
</pre>
<h5>Overview:</h5>
<p>
This intrinsic loads the value stored in shared memory at <tt>ptr</tt> and
yields the value from memory. It then stores the value in <tt>val</tt> in the
shared memory at <tt>ptr</tt>.
This intrinsic loads the value stored in memory at <tt>ptr</tt> and yields
the value from memory. It then stores the value in <tt>val</tt> in the memory
at <tt>ptr</tt>.
</p>
<h5>Arguments:</h5>
<p>
@ -4982,7 +4982,7 @@ declare i64 @llvm.atomic.las.i64.i64p.i64( i64* &lt;ptr&gt;, i64 &lt;delta&gt; )
</pre>
<h5>Overview:</h5>
<p>
This intrinsic adds <tt>delta</tt> to the value stored in shared memory at
This intrinsic adds <tt>delta</tt> to the value stored in memory at
<tt>ptr</tt>. It yields the original value at <tt>ptr</tt>.
</p>
<h5>Arguments:</h5>
@ -5029,8 +5029,8 @@ declare i64 @llvm.atomic.lss.i64.i64.i64( i64* &lt;ptr&gt;, i64 &lt;delta&gt; )
</pre>
<h5>Overview:</h5>
<p>
This intrinsic subtracts <tt>delta</tt> from the value stored in shared
memory at <tt>ptr</tt>. It yields the original value at <tt>ptr</tt>.
This intrinsic subtracts <tt>delta</tt> from the value stored in memory at
<tt>ptr</tt>. It yields the original value at <tt>ptr</tt>.
</p>
<h5>Arguments:</h5>
<p>