This is the mail archive of the
mailing list for the GCC project.
Re: [RFC]: MD_FALLBACK_FRAME_STATE_FOR macro for darwin PPC
On Jan 21, 2004, at 11:19 AM, Andreas Tobler wrote:
David Daney wrote:
I know next to nothing about PPC ABIs, but are any of these floating
There are, yes.
Are there any call saved FP registers in this ABI? and if so are you
restoring them. Although I don't think that the unwinder uses
floating point, it seems that restoring call saved FP registers is a
good idea if you are not already doing it.
Well, here I expect the advise from the experts, I have floats around
and I may try to restore them.
But, I need some guidance here.
Thanks for the feedback.
Saved regs are described in rs6000.h of course.
Floats are F14-F31 and I think you may need CR also, some of its
subregs are caller-saved.
And then there's Altivec, V20-V31 and VRSAVE. They don't exist on all