[llvm-commits] [llvm] r154319 - /llvm/trunk/docs/LangRef.html

Duncan Sands baldrick at free.fr
Mon Apr 9 07:08:00 PDT 2012


Author: baldrick
Date: Mon Apr  9 09:08:00 2012
New Revision: 154319

URL: http://llvm.org/viewvc/llvm-project?rev=154319&view=rev
Log:
Clarify that fpaccuracy metadata is giving the compiler permission to use a
less accurate method.

Modified:
    llvm/trunk/docs/LangRef.html

Modified: llvm/trunk/docs/LangRef.html
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/LangRef.html?rev=154319&r1=154318&r2=154319&view=diff
==============================================================================
--- llvm/trunk/docs/LangRef.html (original)
+++ llvm/trunk/docs/LangRef.html Mon Apr  9 09:08:00 2012
@@ -3006,8 +3006,10 @@
 <div>
 
 <p><tt>fpaccuracy</tt> metadata may be attached to any instruction of floating
-   point type.  It expresses the maximum relative error of the result of
-   that instruction, in ULPs. ULP is defined as follows:</p>
+   point type.  It expresses the maximum relative error allowed in the result
+   of that instruction, in ULPs, thus potentially allowing the compiler to use
+   a more efficient but less accurate method of computing it.
+   ULP is defined as follows:</p>
 
 <blockquote>
 





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