WUMERGE
Purpose: Merge fields from src1 and src2
- FLAGS → data from src1, flags from src2
- EXP17 → sign from src1, exponent from src2, mantissa from src1
- DTYPE → merge nibble from src1 into src2
- SIGN → sign from src2, rest from src1
- SIGNEXP17 → sign+rebased exponent from src2, mantissa from src1
- SWAPFLAGS → swap/move flags
Flags: usually from src2 unless overridden
references
Patent US5574942
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