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* ttypes.ads (Target_Double_Float_Alignment): New variable. (Target_Double_Scalar_Alignment): Likewise. * get_targ.ads (Get_Strict_Alignment): Adjust external name. (Get_Double_Float_Alignment): New imported function. (Get_Double_Scalar_Alignment): Likewise. * layout.adb (Set_Elem_Alignment): Take into account specific caps for the alignment of "double" floating-point types and "double" or larger scalar types, as parameterized by Target_Double_Float_Alignment and Target_Double_Scalar_Alignment respectively. * gcc-interface/gigi.h (double_float_alignment): Declare. (double_scalar_alignment): Likewise. (is_double_float_or_array): Likewise. (is_double_scalar_or_array): Likewise. (get_target_double_float_alignment): Likewise. (get_target_double_scalar_alignment): Likewise. * gcc-interface/targtyps.c (get_strict_alignment): Rename into... (get_target_strict_alignment): ...this. (get_target_double_float_alignment): New function. (get_target_double_scalar_alignment): Likewise. * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Signed_Integer_Subtype>: Test the presence of an alignment clause for under-aligned integer types. Take into account specific caps for the alignment of "double" floating-point types and "double" or larger scalar types, as parameterized by Target_Double_Float_Alignment and Target_Double_Scalar_Alignment respectively. (validate_alignment): Likewise. * gcc-interface/trans.c (Attribute_to_gnu) <Attr_Alignment>: Likewise. (gigi): Initialize double_float_alignment and double_scalar_alignment. * gcc-interface/utils.c (double_float_alignment): New global variable. (double_scalar_alignment): Likewise. (is_double_float_or_array): New predicate. (is_double_scalar_or_array): Likewise. From-SVN: r146675
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