[PowerPC] PR23774 stack backchain broken saga

[Richard Henderson]

On Sat, Sep 10, 2005 at 01:00:04AM +0930, Alan Modra wrote:
> 2) Next, I defined parallels to keep things together.  Like the
> following, with another for DImode.

This seems most reasonable to me.

> This works, but doesn't give ideal power4/5 insn grouping, with (I
> think) one too many nops being emitted.

Who cares?  This is after a longjmp isn't it?


r~