[SPARC] Use op-then-halve instructions when we have VIS3#135718

koachan merged 15 commits intomainllvm/llvm-project:mainfrom

users/koachan/spr/sparc-use-op-then-halve-instructions-when-we-have-vis3llvm/llvm-project:users/koachan/spr/sparc-use-op-then-halve-instructions-when-we-have-vis3Copy head branch name to clipboard