search for: vprregs

Displaying 1 result from an estimated 1 matches for "vprregs".

Did you mean: gprregs
2020 Jun 26
2
How to implement load/store for vector predicate register
Hi, I am planning to expanding the pseudo instructions in XXXTargetLowering::EmitInstrWithCustomInserter(), and use temporary virtual registers as operands. If I use virtual registers, do I need to mark them as "early clobber"? I saw that sometimes they marked virtual register as "early clobber" in EmitInstrWithCustomInserter() in MIPS backend. What is the effect of marking a