Class: BOAST::Affectation

Inherits:
Operator show all
Defined in:
lib/BOAST/Operators.rb

Class Method Summary collapse

Methods inherited from Operator

convert, get_vector_name, inspect

Methods included from PrivateStateAccessor

private_boolean_state_accessor, private_state_accessor

Class Method Details

.basic_usage(arg1, arg2) ⇒ Object 



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# File 'lib/BOAST/Operators.rb', line 333

def Affectation.basic_usage(arg1, arg2)
  return "#{arg1} = #{arg2}"
end

.to_s(arg1, arg2, return_type) ⇒ Object 



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# File 'lib/BOAST/Operators.rb', line 228

def Affectation.to_s(arg1, arg2, return_type)
  if lang == C then
    if arg1.class == Variable and arg1.type.vector_length > 1 then
      #puts "#{arg1.type.vector_length} #{arg2.type.vector_length}"
      if arg1.type == arg2.type then
        return basic_usage(arg1, arg2)
      elsif arg1.type.vector_length == arg2.type.vector_length then
        return "#{arg1} = #{convert(arg2, arg1.type)}"
      elsif arg2.type.vector_length == 1 then
        size = arg1.type.total_size*8
        a2 = "#{arg2}"
        if a2[0] != "*" then
          a2 = "&" + a2
        else
          a2 = a2[1..-1]
        end
        case get_architecture
        when ARM
          intr_name = "vldl"
          intr_name += "q" if size == 128
          intr_name += "_#{get_vector_name(arg1.type)}"
        when X86
          if arg1.type.class == Int and size == 64 then
            return "#{arg1} = _m_from_int64( *((int64_t * ) #{a2} ) )"
          end
          intr_name = "_mm"
          if size > 128 then
            intr_name += "#{size}"
          end
          intr_name += "_load_"
          if arg1.type.class == Int then
            intr_name += "si#{size}"
          else
            intr_name += "#{get_vector_name(arg1.type)}"
          end
        else
          raise "Unsupported architecture!"
        end
        return "#{arg1} = #{intr_name}( (#{arg1.type.decl} * ) #{a2} )"
      else
        raise "Unknown convertion between vectors of different length!"
      end
    elsif arg2.class == Variable and arg2.type.vector_length > 1 then
      size = arg2.type.total_size*8
      a1 = "#{arg1}"
      if a1[0] != "*" then
        a1 = "&" + a1
      else
        a1 = a1[1..-1]
      end
      case get_architecture
      when ARM
        intr_name = "vstl"
        intr_name += "q" if size == 128
        intr_name += "_#{get_vector_name(arg2.type)}"
      when X86
        if arg2.type.class == Int and size == 64 then
          return " *((int64_t * ) #{a1}) = _m_to_int64( #{arg2} )"
        end
        intr_name = "_mm"
        if size > 128 then
          intr_name += "#{size}"
        end
        intr_name += "_store_"
        if arg2.type.class == Int then
          intr_name += "si#{size}"
        else
          intr_name += "#{get_vector_name(arg2.type)}"
        end
      else
        raise "Unsupported architecture!"
      end
      return "#{intr_name}((#{arg2.type.decl} * ) #{a1}, #{arg2} )"
    else
      return basic_usage(arg1, arg2)
    end
  elsif lang == CL then
    if arg1.class == Variable and arg1.type.vector_length > 1 then
      if arg2.class == Variable and arg2.type.vector_length == arg1.type.vector_length then
        return "#{arg1} = convert_#{arg1.type.decl}(#{arg2})"
      else
        a2 = "#{arg2}"
        if a2[0] != "*" then
          a2 = "&" + a2
        else
          a2 = a2[1..-1]
        end
        return "#{arg1} = vload#{arg1.type.vector_length}(0, #{a2})"
      end
    elsif arg2.class == Variable and arg2.type.vector_length > 1 then
      a1 = "#{arg1}"
      if a1[0] != "*" then
        a1 = "&" + a1
      else
        a1 = a1[1..-1]
      end
      return "vstore#{arg2.type.vector_length}(#{arg2}, 0, #{a1})"
    else
      return basic_usage(arg1, arg2)
    end
  else
    return basic_usage(arg1, arg2)
  end
end