summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gnat.dg/rep_clause1.adb
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gnat.dg/rep_clause1.adb')
-rw-r--r--gcc/testsuite/gnat.dg/rep_clause1.adb101
1 files changed, 101 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/rep_clause1.adb b/gcc/testsuite/gnat.dg/rep_clause1.adb
new file mode 100644
index 000000000..b7f5c7dd4
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/rep_clause1.adb
@@ -0,0 +1,101 @@
+-- { dg-do compile }
+
+with Ada.Text_IO; use Ada.Text_IO;
+
+procedure Rep_Clause1 is
+
+ type Int_16 is range 0 .. 65535;
+ for Int_16'Size use 16;
+
+ ----------------------------------------------
+
+ type Rec_A is
+ record
+ Int_1 : Int_16;
+ Int_2 : Int_16;
+ Int_3 : Int_16;
+ Int_4 : Int_16;
+ end record;
+
+
+ for Rec_A use record
+ Int_1 at 0 range 0 .. 15;
+ Int_2 at 2 range 0 .. 15;
+ Int_3 at 4 range 0 .. 15;
+ Int_4 at 6 range 0 .. 15;
+ end record;
+
+ Rec_A_Size : constant := 4 * 16;
+
+ for Rec_A'Size use Rec_A_Size;
+
+ ----------------------------------------------
+
+ type Rec_B_Version_1 is
+ record
+ Rec_1 : Rec_A;
+ Rec_2 : Rec_A;
+ Int_1 : Int_16;
+ end record;
+
+ for Rec_B_Version_1 use record
+ Rec_1 at 0 range 0 .. 63;
+ Rec_2 at 8 range 0 .. 63;
+ Int_1 at 16 range 0 .. 15;
+ end record;
+
+ Rec_B_Size : constant := 2 * Rec_A_Size + 16;
+
+ for Rec_B_Version_1'Size use Rec_B_Size;
+ for Rec_B_Version_1'Alignment use 2;
+
+ ----------------------------------------------
+
+ type Rec_B_Version_2 is
+ record
+ Int_1 : Int_16;
+ Rec_1 : Rec_A;
+ Rec_2 : Rec_A;
+ end record;
+
+ for Rec_B_Version_2 use record
+ Int_1 at 0 range 0 .. 15;
+ Rec_1 at 2 range 0 .. 63;
+ Rec_2 at 10 range 0 .. 63;
+ end record;
+
+ for Rec_B_Version_2'Size use Rec_B_Size;
+
+ ----------------------------------------------
+
+ Arr_A_Length : constant := 2;
+ Arr_A_Size : constant := Arr_A_Length * Rec_B_Size;
+
+ type Arr_A_Version_1 is array (1 .. Arr_A_Length) of Rec_B_Version_1;
+ type Arr_A_Version_2 is array (1 .. Arr_A_Length) of Rec_B_Version_2;
+
+ pragma Pack (Arr_A_Version_1);
+ pragma Pack (Arr_A_Version_2);
+
+ for Arr_A_Version_1'Size use Arr_A_Size;
+ for Arr_A_Version_2'Size use Arr_A_Size;
+
+ ----------------------------------------------
+
+begin
+ -- Put_Line ("Arr_A_Size =" & Arr_A_Size'Img);
+
+ if Arr_A_Version_1'Size /= Arr_A_Size then
+ Ada.Text_IO.Put_Line
+ ("Version 1 Size mismatch! " &
+ "Arr_A_Version_1'Size =" & Arr_A_Version_1'Size'Img);
+ end if;
+
+ if Arr_A_Version_2'Size /= Arr_A_Size then
+ Ada.Text_IO.Put_Line
+ ("Version 2 Size mismatch! " &
+ "Arr_A_Version_2'Size =" & Arr_A_Version_2'Size'Img);
+
+ end if;
+
+end;