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| author | Duncan Sands <baldrick@free.fr> | 2012-04-09 14:08:00 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2012-04-09 14:08:00 +0000 |
| commit | 92fc76c901a26c3b769e0434996a452ca1abfef2 (patch) | |
| tree | 1617892ae7e2d24516312208700717fc942a4baa /docs | |
| parent | e80aa7c783ab27711505b540597d83e038fc6900 (diff) | |
| download | llvm-92fc76c901a26c3b769e0434996a452ca1abfef2.tar.gz llvm-92fc76c901a26c3b769e0434996a452ca1abfef2.tar.bz2 llvm-92fc76c901a26c3b769e0434996a452ca1abfef2.tar.xz | |
Clarify that fpaccuracy metadata is giving the compiler permission to use a
less accurate method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154319 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/LangRef.html | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index 50ce5a07f4..e6d47a6ce5 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -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> |