[llvm] r188370 - Support C99 hexadecimal floating-point literals in assembly

[Tim Northover]

> Is this supported by GNU as? If not, do we have a place for documenting extensions?

Apparently not, and docs/Extensions.rst by the looks of it. How does
the attached diff look?

Tim.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: doc-ext.diff
Type: application/octet-stream
Size: 672 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20130814/489131b5/attachment.obj>