Displaying 2 results from an estimated 2 matches for "b13568f1".
2012 Jul 11
0
[LLVMdev] Saving one part of a register pair in the callee-saved list.
...rectly. ARM and X86 both have examples of that. For ARM, look at the definitions of the QPR, DPR and SPR registers and associated register classes.
-Jim
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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