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Clarify that fpaccuracy metadata is giving the compiler permission to use a

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less accurate method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154319 91177308-0d34-0410-b5e6-96231b3b80d8
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Duncan Sands 2012-04-09 14:08:00 +00:00
parent e80aa7c783
commit 92fc76c901
1 changed files with 4 additions and 2 deletions
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docs/LangRef.html
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@ -3006,8 +3006,10 @@ call void @llvm.dbg.value(metadata !24, i64 0, metadata !25)
<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>