Docs: mention that we support float reductions when -ffast-math is used.

llvm-svn: 171873
2013-01-08 17:46:30 +00:00 · 2013-01-08 17:46:30 +00:00 · 9f20781bad
parent 0652dfd40c
commit 9f20781bad
1 changed files with 2 additions and 0 deletions
--- a/llvm/docs/Vectorizers.rst
+++ b/llvm/docs/Vectorizers.rst
@ -120,6 +120,8 @@ reduction operations, such as addition, multiplication, XOR, AND and OR.
    return sum;
  }

+We support floating point reduction operations when `-ffast-math` is used.
+
 Inductions
 ^^^^^^^^^^