[cfe-commits] r66277 - in /cfe/trunk: lib/CodeGen/CGCall.cpp test/CodeGen/x86_64-arguments.c

[Eli Friedman]

On Fri, Mar 6, 2009 at 9:50 AM, Daniel Dunbar <daniel at zuster.org> wrote:
> +    // If X87Up is preceeded by X87, we don't need to do
> +    // anything. However, in some cases with unions it may not be
> +    // preceeded by X87. In such situations we follow gcc and pass the
> +    // extra bits in an SSE reg.

See http://gcc.gnu.org/ml/gcc-patches/2009-02/msg00137.html ?

-Eli