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Diffstat (limited to 'testsuite/vests/vhdl-ams/ashenden/compliant/attributes-and-groups/add_with_overflow.vhd')
-rw-r--r-- | testsuite/vests/vhdl-ams/ashenden/compliant/attributes-and-groups/add_with_overflow.vhd | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/attributes-and-groups/add_with_overflow.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/attributes-and-groups/add_with_overflow.vhd new file mode 100644 index 0000000..dd06f91 --- /dev/null +++ b/testsuite/vests/vhdl-ams/ashenden/compliant/attributes-and-groups/add_with_overflow.vhd @@ -0,0 +1,68 @@ + +-- Copyright (C) 2002 Morgan Kaufmann Publishers, Inc + +-- This file is part of VESTs (Vhdl tESTs). + +-- VESTs is free software; you can redistribute it and/or modify it +-- under the terms of the GNU General Public License as published by the +-- Free Software Foundation; either version 2 of the License, or (at +-- your option) any later version. + +-- VESTs is distributed in the hope that it will be useful, but WITHOUT +-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +-- for more details. + +-- You should have received a copy of the GNU General Public License +-- along with VESTs; if not, write to the Free Software Foundation, +-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +entity add_with_overflow is +end entity add_with_overflow; + + +architecture test of add_with_overflow is +begin + +-- code from book + +process is + + procedure add_with_overflow ( a, b : in integer; + sum : out integer; + overflow : out boolean ) is -- . . . + + -- not in book + begin + end; + -- end not in book + + procedure add_with_overflow ( a, b : in bit_vector; + sum : out bit_vector; + overflow : out boolean ) is -- . . . + + -- not in book + begin + end; + -- end not in book + + attribute built_in : string; + + attribute built_in of + add_with_overflow [ integer, integer, + integer, boolean ] : procedure is "int_add_overflow"; + + attribute built_in of + add_with_overflow [ bit_vector, bit_vector, + bit_vector, boolean ] : procedure is "bit_vector_add_overflow"; + +begin + -- . . . + -- not in book + wait; + -- end not in book +end process; + +-- end code from book + +end architecture test; |