Displaying 2 results from an estimated 2 matches for "e5809b41".
2012 Jul 11
0
[LLVMdev] Saving one part of a register pair in the callee-saved list.
Hi Borja,
On Jul 10, 2012, at 6:26 PM, Borja Ferrer wrote:
> Hello,
>
> I would like to know if there's a way of setting the callee-saved register list inside getCalleeSavedRegs() to make the PEI pass save/restore only one half of a register pair if the other half is not being used, instead of saving the whole pair. Here is an example of what I try to explain to make things more
2012 Jul 11
2
[LLVMdev] Saving one part of a register pair in the callee-saved list.
Hello,
I would like to know if there's a way of setting the callee-saved register
list inside getCalleeSavedRegs() to make the PEI pass save/restore only one
half of a register pair if the other half is not being used, instead of
saving the whole pair. Here is an example of what I try to explain to make
things more clear:
Suppose this situation where we have a register file of 8bit regs, and