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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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-- { dg-do compile }
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-- { dg-do compile }
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package Size_Clause1 is
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package Size_Clause1 is
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-- The record inherits the alignment of Integer, which is 4, so
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-- The record inherits the alignment of Integer, which is 4, so
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-- the real size is 64 instead of 40. That's OK, as long as the
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-- the real size is 64 instead of 40. That's OK, as long as the
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-- size of a component of type R1 in a packed record is 40.
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-- size of a component of type R1 in a packed record is 40.
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type R1 is record
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type R1 is record
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I : Integer;
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I : Integer;
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B : Boolean;
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B : Boolean;
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end record;
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end record;
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for R1'Size use 40;
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for R1'Size use 40;
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type S1 is record
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type S1 is record
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rr : R1; -- size must be 40
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rr : R1; -- size must be 40
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end record;
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end record;
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pragma Pack(S1);
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pragma Pack(S1);
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-- The record is explicitly given alignment 1 so its real type is 40 too.
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-- The record is explicitly given alignment 1 so its real type is 40 too.
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-- The size of a component of type R2 in a packed record is naturally 40.
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-- The size of a component of type R2 in a packed record is naturally 40.
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type R2 is record
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type R2 is record
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I : Integer;
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I : Integer;
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B : Boolean;
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B : Boolean;
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end record;
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end record;
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for R2'Size use 40;
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for R2'Size use 40;
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for R2'Alignment use 1;
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for R2'Alignment use 1;
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type S2 is record
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type S2 is record
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rr : R2; -- size must be 40
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rr : R2; -- size must be 40
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end record;
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end record;
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pragma Pack(S2);
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pragma Pack(S2);
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-- The record is explicitly given alignment 4 so its real type is 64.
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-- The record is explicitly given alignment 4 so its real type is 64.
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-- That's OK, as long as the size of a component of type R3 in a packed
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-- That's OK, as long as the size of a component of type R3 in a packed
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-- record is 40.
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-- record is 40.
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type R3 is record
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type R3 is record
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I : Integer;
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I : Integer;
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B : Boolean;
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B : Boolean;
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end record;
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end record;
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for R3'Size use 40;
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for R3'Size use 40;
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for R3'Alignment use 4;
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for R3'Alignment use 4;
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type S3 is record
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type S3 is record
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rr : R3; -- size must be 40
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rr : R3; -- size must be 40
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end record;
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end record;
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pragma Pack(S3);
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pragma Pack(S3);
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end Size_Clause1;
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end Size_Clause1;
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