diff options
| author | Lang Hames <lhames@gmail.com> | 2013-01-17 00:00:49 +0000 |
|---|---|---|
| committer | Lang Hames <lhames@gmail.com> | 2013-01-17 00:00:49 +0000 |
| commit | b0ec16b3a4452b26d8d48834aa0a7fad64d4e68e (patch) | |
| tree | de57763a32e40d0adce10c5da3299b48ccb72fb8 /docs/LangRef.rst | |
| parent | c3c8d2ad8d0005213c0073caccc84bc1a8fca42b (diff) | |
Update the description of the llvm.fmuladd.* intrinsics to avoid use of the
ambiguous term 'legal'.
Suggested by Andrew Booker. Thanks Andrew!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172680 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/LangRef.rst')
| -rw-r--r-- | docs/LangRef.rst | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/docs/LangRef.rst b/docs/LangRef.rst index 02c881bae6..d6cdbc4284 100644 --- a/docs/LangRef.rst +++ b/docs/LangRef.rst @@ -7689,8 +7689,10 @@ Overview: """"""""" The '``llvm.fmuladd.*``' intrinsic functions represent multiply-add -expressions that can be fused if the code generator determines that the -fused expression would be legal and efficient. +expressions that can be fused if the code generator determines that (a) the +target instruction set has support for a fused operation, and (b) that the +fused operation is more efficient than the equivalent, separate pair of mul +and add instructions. Arguments: """""""""" |