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XiangShan Vector Floating-Point Unit Design

: V2R2 - Status: OK - Date: 2025/01/20 - commit：xxx Glossary of Terms Design specifications - Support Vector Floating-Point Mul Calculation - Support vector floating-point FMA computation - Support Vector Floating-Point Div Calculation - Support for vector floating-point Sqrt computation - Supports fp32, fp64, fp16 computation - Supports computation of RV-V1.0 version vector floating-point instructions Function The VFPU module receives uop information issued from the Issue Queue and performs vector floating-point instruction calculations based on fuType and fuOpType information. It mainly consists of four modules: VFAlu, VFMA, VFDivSqrt, and VFCvt.

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