view gcc/testsuite/gnat.dg/unroll2.adb @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 84e7813d76e9
children
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-- { dg-do compile }
-- { dg-options "-O2 -fdump-tree-cunrolli-details" }

package body Unroll2 is

   function "+" (X, Y : Sarray) return Sarray is
      R : Sarray;
   begin
      for I in Sarray'Range loop
         pragma Loop_Optimize (Unroll);
         R(I) := X(I) + Y(I);
      end loop;
      return R;
   end;

   procedure Add (X, Y : Sarray; R : out Sarray) is
   begin
      for I in Sarray'Range loop
         pragma Loop_Optimize (Unroll);
         R(I) := X(I) + Y(I);
      end loop;
   end;

end Unroll2;

-- { dg-final { scan-tree-dump-times "loop with 3 iterations completely unrolled" 2 "cunrolli" } }