All went to the interpreter. vh2f works in integers to match vfpu_h2f,
since FCVTL neither flushes subnormal halves nor keeps inf/NaN mantissa
bits unshifted. The color conversions are bitfield extracts and inserts.
vbfy, vcrs and vdet follow the IR frontend, and vmscl scales element
by element. Results go through scratch registers, so a destination that
overlaps a source is fine.
Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>