On Sat, Jun 21, 2014 at 10:47 PM, Segher Boessenkool
wrote:
> All instructions that are "var_shift" for some alternative have the shift
> amount as operands[2].
>
> This patch introduces an attribute "maybe_var_shift". If that is set to
> "yes", the default value of "var_shift" is set based on th
> (define_insn "rotl3"
> - [(set (match_operand:GPR 0 "gpc_reg_operand" "=r,r")
> - (rotate:GPR (match_operand:GPR 1 "gpc_reg_operand" "r,r")
> - (match_operand:GPR 2 "reg_or_cint_operand" "r,n")))]
> + [(set (match_operand:GPR 0 "gpc_reg_operand" "=r")
> + (rotate:GPR (m
All instructions that are "var_shift" for some alternative have the shift
amount as operands[2].
This patch introduces an attribute "maybe_var_shift". If that is set to
"yes", the default value of "var_shift" is set based on the operands[2]
value.
With that, we can merge the var_shift yes/no cas
