On Mon, 2012-06-04 at 13:03 +0200, Gabriel Paubert wrote: > There is no conflict to the ABI. These functions are supposed to be > directly reachable from whatever code > section may need them. > > Now I have a question: how did you get the need for this? > > None of my kernels uses them: > - if I compile with -O2, the compiler simply expands epilogue and > prologue to series of lwz and stw > - if I compile with -Os, the compiler generates lmw/stmw which give > the smallest possible cache footprint > > Neither did I find a single reference to these functions in several > systems that I grepped for.
Newer gcc's ... even worse, with -Os, it does it for a single register spill afaik. At least that's how I hit it with grub2 using whatever gcc is in fc17. Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
