[cfe-commits] r143136 - in /cfe/trunk: lib/CodeGen/CGExpr.cpp lib/CodeGen/CGExprScalar.cpp lib/CodeGen/CodeGenFunction.h test/CodeGenOpenCL/fpaccuracy.cl

[Chris Lattner]

On Oct 27, 2011, at 12:19 PM, Peter Collingbourne wrote:

> Author: pcc
> Date: Thu Oct 27 14:19:51 2011
> New Revision: 143136
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=143136&view=rev
> Log:
> Annotate imprecise FP division with fpaccuracy metadata
> 
> The OpenCL single precision division operation is only required to
> be accurate to 2.5ulp.  Annotate the fdiv instruction with metadata
> which signals to the backend that an imprecise divide instruction
> may be used.

Hi Peter,

Please make sure that these annotations are documented in LangRef.

-Chris