Commit cb6a528d by Noémie Fong

### Fix logical shifts

parent efa54754
 ... ... @@ -32,22 +32,32 @@ extand_const_n(c:[n]) = (o:[n + offset]) where end where shift_by_shamt_n(input:[n], shamt:[m], is_right, keep_sign) = (* logical shifts *) shift_by_const_n(input:[n], const:[m], is_right, keep_sign) = (out:[n]) where aux = mux(shamt[m-1], aux = mux(const[m-1], mux(is_right, extand_right_n (input[..(n-1) - shift_val], mux(keep_sign, input[0])), extand_left_n (input[shift_val..])), input); out = shift_by_const_n(aux, shamt[..m-2], is_right, keep_sign); if 2 * shift_val > n then out = shift_by_const_n(aux, const[..m-2], is_right, keep_sign); else out = shift_by_const_n (aux, const[..m-2], is_right, keep_sign); end where shift_by_shamt(input:[32], shamt:[5], is_right, keep_sign) = (out:[32]) where out = shift_by_shamt_n<32, 5, 1>(input, shamt, is_right, keep_sign) (* shift by shamt, either to the right or to the left. Arithmetic or not.*) shift_by_shamt_ALU(input:[32], shamt:[5], is_right, keep_sign) = (out:[32]) where out = shift_by_const_n<32, 5, 1>(input, shamt, is_right, keep_sign) end where (* shift by value stored in reg, to the right or left, arithmetic or not *) shift_by_reg_ALU(input:[32], const:[32], is_right, keep_sign) = (out:[32]) where out = shift_by_const_n<32, 32, 1>(input, const, is_right, keep_sign) (* ------------------------------------------------------------------------- *) (* Opérations booléennes *) ... ...
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