diff options
Diffstat (limited to 'riscv/vector_unit.h')
| -rw-r--r-- | riscv/vector_unit.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/riscv/vector_unit.h b/riscv/vector_unit.h index b9f706c..a057c62 100644 --- a/riscv/vector_unit.h +++ b/riscv/vector_unit.h @@ -2,6 +2,9 @@ #ifndef _RISCV_VECTOR_UNIT_H #define _RISCV_VECTOR_UNIT_H +#include <array> +#include <cstdint> + #include "decode.h" #include "csrs.h" @@ -69,6 +72,17 @@ struct type_sew_t<64> using type=int64_t; }; +// Element Group of 4 32 bits elements (128b total). +using EGU32x4_t = std::array<uint32_t, 4>; + +// Element Group of 8 32 bits elements (256b total). +using EGU32x8_t = std::array<uint32_t, 8>; + +// Element Group of 4 64 bits elements (256b total). +using EGU64x4_t = std::array<uint64_t, 4>; + +// Element Group of 16 8 bits elements (128b total). +using EGU8x16_t = std::array<uint8_t, 16>; class vectorUnit_t { @@ -88,8 +102,11 @@ public: bool vill; bool vstart_alu; - // vector element for varies SEW + // vector element for various SEW template<class T> T& elt(reg_t vReg, reg_t n, bool is_write = false); + // vector element group access, where EG is a std::array<T, N>. + template<typename EG> EG& + elt_group(reg_t vReg, reg_t n, bool is_write = false); public: |