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c506e6c13b
Scalar FRINTN/P/M/Z/A/X/I and FRECPX (Sd,Sn / Dd,Dn / Hd,Hn), and the FP-to-GPR converts FCVTAS/AU/MS/MU/NS/NU/PS/PU (Wd/Xd, Hn/Sn/Dn). All register-only forms: element type and W/X are selected by static bits, so specgen derives each from llvm-mc with the convert forms varying Rd and Rn independently (zero register for the 31 case). H variants tagged FP16. RD/RN encodings so decode reconstructs the scalar/GPR register class. All 19 representative forms byte-exact vs llvm-mc and decode-clean; 461 tests green.