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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 | f1e1bb213f3da98cea0d0a8bc1ac3d8495503fd2 (patch) | |
| tree | 201823b299c5b25d5037193b3aaae9ca3b3c5e4e | |
| parent | a29e4627bce472b33b341aa9dd05f0df11113155 (diff) | |
| download | bcm5719-llvm-f1e1bb213f3da98cea0d0a8bc1ac3d8495503fd2.tar.gz bcm5719-llvm-f1e1bb213f3da98cea0d0a8bc1ac3d8495503fd2.zip | |
Clarify that fpaccuracy metadata is giving the compiler permission to use a
less accurate method.
llvm-svn: 154319
| -rw-r--r-- | llvm/docs/LangRef.html | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/docs/LangRef.html b/llvm/docs/LangRef.html index 50ce5a07f43..e6d47a6ce5b 100644 --- a/llvm/docs/LangRef.html +++ b/llvm/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> |
