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• Decoding-left-inverse

Get-funct7-of-encode-of-instr

Theorems about get-funct7 applied to the encoding of different instructions.

Definitions and Theorems

Theorem: get-funct7-of-encode-of-instr-op

(defthm get-funct7-of-encode-of-instr-op
  (equal (get-funct7 (encode (instr-op funct rd rs1 rs2)
                             feat))
         (mv-nth 1 (encode-op-funct funct))))

Theorem: get-funct7-of-encode-of-instr-op-32

(defthm get-funct7-of-encode-of-instr-op-32
  (equal (get-funct7 (encode (instr-op-32 funct rd rs1 rs2)
                             feat))
         (mv-nth 1 (encode-op-32-funct funct))))