diff options
author | Duncan Sands <baldrick@free.fr> | 2012-04-16 19:39:33 +0000 |
---|---|---|
committer | Duncan Sands <baldrick@free.fr> | 2012-04-16 19:39:33 +0000 |
commit | 2867c85a3754320f96e36afb63325bb76269caa4 (patch) | |
tree | c5bd58459f230d669f87a597c75213ab42b9529d /docs/LangRef.html | |
parent | 2c651fe6f445724627dcc48064797dca2aa4aedc (diff) | |
download | llvm-2867c85a3754320f96e36afb63325bb76269caa4.tar.gz llvm-2867c85a3754320f96e36afb63325bb76269caa4.tar.bz2 llvm-2867c85a3754320f96e36afb63325bb76269caa4.tar.xz |
Remove support for the special 'fast' value for fpmath accuracy for the moment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154850 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/LangRef.html')
-rw-r--r-- | docs/LangRef.html | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index 3a474a554d..9989cc8197 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -3008,10 +3008,8 @@ call void @llvm.dbg.value(metadata !24, i64 0, metadata !25) <p><tt>fpmath</tt> metadata may be attached to any instruction of floating point type. It can be used to express the maximum acceptable error 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. The number of ULPs - may also be the string <tt>"fast"</tt>, which tells the compiler that speed - matters more than accuracy, so any fairly accurate method of computation is - fine as long as it is quick. ULP is defined as follows:</p> + more efficient but less accurate method of computing it. ULP is defined as + follows:</p> <blockquote> @@ -3024,13 +3022,11 @@ call void @llvm.dbg.value(metadata !24, i64 0, metadata !25) </blockquote> <p>The metadata node shall consist of a single positive floating point number - representing the maximum relative error, or the string <tt>"fast"</tt>. - For example:</p> + representing the maximum relative error, for example:</p> <div class="doc_code"> <pre> !0 = metadata !{ float 2.5 } ; maximum acceptable inaccuracy is 2.5 ULPs -!1 = metadata !{ !metadata !"fast" } ; potentially unbounded inaccuracy </pre> </div> |