<?xml version="1.0" encoding="UTF-8"?>
<!-- IMPORTANT: This is an internal file that has been generated
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<messages>
<msg type="warning" file="HDLCompiler" num="321" delta="new" >"G:\Work\FPGA_CD\chapter4\exp4_1\ipcore_dir\tmp\_cg\_dbg\c_addsub_v11_0\c_addsub_pkg_v11_0.vhd" Line 760: Comparison between arrays of unequal length always returns <arg fmt="%s" index="1">TRUE</arg>.
</msg>

<msg type="warning" file="HDLCompiler" num="634" delta="new" >"G:\Work\FPGA_CD\chapter4\exp4_1\ipcore_dir\tmp\_cg\_dbg\c_addsub_v11_0\c_addsub_v11_0_legacy.vhd" Line 282: Net &lt;<arg fmt="%s" index="1">c_in_i</arg>&gt; does not have a driver.
</msg>

<msg type="warning" file="HDLCompiler" num="634" delta="new" >"G:\Work\FPGA_CD\chapter4\exp4_1\ipcore_dir\tmp\_cg\_dbg\c_addsub_v11_0\c_addsub_v11_0_xst.vhd" Line 234: Net &lt;<arg fmt="%s" index="1">i_baseblox.i_b_in</arg>&gt; does not have a driver.
</msg>

<msg type="info" file="Xst" num="3210" delta="new" >&quot;<arg fmt="%s" index="1">g:/work/fpga_cd/chapter4/exp4_1/ipcore_dir/tmp/_cg/_dbg/adder.vhd</arg>&quot; line <arg fmt="%s" index="2">109</arg>: Output port &lt;<arg fmt="%s" index="3">c_out</arg>&gt; of the instance &lt;<arg fmt="%s" index="4">U0</arg>&gt; is unconnected or connected to loadless signal.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">C_IN</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="info" file="Xst" num="3210" delta="new" >&quot;<arg fmt="%s" index="1">g:/work/fpga_cd/chapter4/exp4_1/ipcore_dir/tmp/_cg/_dbg/c_addsub_v11_0/c_addsub_v11_0_xst.vhd</arg>&quot; line <arg fmt="%s" index="2">240</arg>: Output port &lt;<arg fmt="%s" index="3">s</arg>&gt; of the instance &lt;<arg fmt="%s" index="4">i_baseblox.i_baseblox_addsub</arg>&gt; is unconnected or connected to loadless signal.
</msg>

<msg type="info" file="Xst" num="3210" delta="new" >&quot;<arg fmt="%s" index="1">g:/work/fpga_cd/chapter4/exp4_1/ipcore_dir/tmp/_cg/_dbg/c_addsub_v11_0/c_addsub_v11_0_xst.vhd</arg>&quot; line <arg fmt="%s" index="2">240</arg>: Output port &lt;<arg fmt="%s" index="3">ovfl</arg>&gt; of the instance &lt;<arg fmt="%s" index="4">i_baseblox.i_baseblox_addsub</arg>&gt; is unconnected or connected to loadless signal.
</msg>

<msg type="info" file="Xst" num="3210" delta="new" >&quot;<arg fmt="%s" index="1">g:/work/fpga_cd/chapter4/exp4_1/ipcore_dir/tmp/_cg/_dbg/c_addsub_v11_0/c_addsub_v11_0_xst.vhd</arg>&quot; line <arg fmt="%s" index="2">240</arg>: Output port &lt;<arg fmt="%s" index="3">c_out</arg>&gt; of the instance &lt;<arg fmt="%s" index="4">i_baseblox.i_baseblox_addsub</arg>&gt; is unconnected or connected to loadless signal.
</msg>

<msg type="info" file="Xst" num="3210" delta="new" >&quot;<arg fmt="%s" index="1">g:/work/fpga_cd/chapter4/exp4_1/ipcore_dir/tmp/_cg/_dbg/c_addsub_v11_0/c_addsub_v11_0_xst.vhd</arg>&quot; line <arg fmt="%s" index="2">240</arg>: Output port &lt;<arg fmt="%s" index="3">b_out</arg>&gt; of the instance &lt;<arg fmt="%s" index="4">i_baseblox.i_baseblox_addsub</arg>&gt; is unconnected or connected to loadless signal.
</msg>

<msg type="info" file="Xst" num="3210" delta="new" >&quot;<arg fmt="%s" index="1">g:/work/fpga_cd/chapter4/exp4_1/ipcore_dir/tmp/_cg/_dbg/c_addsub_v11_0/c_addsub_v11_0_xst.vhd</arg>&quot; line <arg fmt="%s" index="2">240</arg>: Output port &lt;<arg fmt="%s" index="3">q_ovfl</arg>&gt; of the instance &lt;<arg fmt="%s" index="4">i_baseblox.i_baseblox_addsub</arg>&gt; is unconnected or connected to loadless signal.
</msg>

<msg type="info" file="Xst" num="3210" delta="new" >&quot;<arg fmt="%s" index="1">g:/work/fpga_cd/chapter4/exp4_1/ipcore_dir/tmp/_cg/_dbg/c_addsub_v11_0/c_addsub_v11_0_xst.vhd</arg>&quot; line <arg fmt="%s" index="2">240</arg>: Output port &lt;<arg fmt="%s" index="3">q_b_out</arg>&gt; of the instance &lt;<arg fmt="%s" index="4">i_baseblox.i_baseblox_addsub</arg>&gt; is unconnected or connected to loadless signal.
</msg>

<msg type="warning" file="Xst" num="2935" delta="new" >Signal &apos;<arg fmt="%s" index="1">i_baseblox.i_b_in</arg>&apos;, unconnected in block &apos;<arg fmt="%s" index="2">c_addsub_v11_0_xst</arg>&apos;, is tied to its initial value (<arg fmt="%s" index="3">0</arg>).
</msg>

<msg type="warning" file="Xst" num="2935" delta="new" >Signal &apos;<arg fmt="%s" index="1">i_baseblox.i_c_in</arg>&apos;, unconnected in block &apos;<arg fmt="%s" index="2">c_addsub_v11_0_xst</arg>&apos;, is tied to its initial value (<arg fmt="%s" index="3">0</arg>).
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">c_in</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">b_in</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">a_signed</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">b_signed</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="info" file="Xst" num="3210" delta="new" >&quot;<arg fmt="%s" index="1">g:/work/fpga_cd/chapter4/exp4_1/ipcore_dir/tmp/_cg/_dbg/c_addsub_v11_0/c_addsub_v11_0_legacy.vhd</arg>&quot; line <arg fmt="%s" index="2">402</arg>: Output port &lt;<arg fmt="%s" index="3">ovfl</arg>&gt; of the instance &lt;<arg fmt="%s" index="4">no_pipelining.the_addsub</arg>&gt; is unconnected or connected to loadless signal.
</msg>

<msg type="info" file="Xst" num="3210" delta="new" >&quot;<arg fmt="%s" index="1">g:/work/fpga_cd/chapter4/exp4_1/ipcore_dir/tmp/_cg/_dbg/c_addsub_v11_0/c_addsub_v11_0_legacy.vhd</arg>&quot; line <arg fmt="%s" index="2">402</arg>: Output port &lt;<arg fmt="%s" index="3">c_out</arg>&gt; of the instance &lt;<arg fmt="%s" index="4">no_pipelining.the_addsub</arg>&gt; is unconnected or connected to loadless signal.
</msg>

<msg type="info" file="Xst" num="3210" delta="new" >&quot;<arg fmt="%s" index="1">g:/work/fpga_cd/chapter4/exp4_1/ipcore_dir/tmp/_cg/_dbg/c_addsub_v11_0/c_addsub_v11_0_legacy.vhd</arg>&quot; line <arg fmt="%s" index="2">402</arg>: Output port &lt;<arg fmt="%s" index="3">q_ovfl</arg>&gt; of the instance &lt;<arg fmt="%s" index="4">no_pipelining.the_addsub</arg>&gt; is unconnected or connected to loadless signal.
</msg>

<msg type="info" file="Xst" num="3210" delta="new" >&quot;<arg fmt="%s" index="1">g:/work/fpga_cd/chapter4/exp4_1/ipcore_dir/tmp/_cg/_dbg/c_addsub_v11_0/c_addsub_v11_0_legacy.vhd</arg>&quot; line <arg fmt="%s" index="2">402</arg>: Output port &lt;<arg fmt="%s" index="3">q_c_out</arg>&gt; of the instance &lt;<arg fmt="%s" index="4">no_pipelining.the_addsub</arg>&gt; is unconnected or connected to loadless signal.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">ovfl</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">c_out</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">b_out</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">q_ovfl</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">q_c_out</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">q_b_out</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">c_in_i</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">add</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">c_in</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">bypass</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">sclr</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">sset</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">sinit</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">s</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">ovfl</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">c_out</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">q_ovfl</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="653" delta="new" >Signal &lt;<arg fmt="%s" index="1">q_c_out</arg>&gt; is used but never assigned. This sourceless signal will be automatically connected to value <arg fmt="%s" index="2">GND</arg>.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">ainit</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">aclr</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">aset</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">sinit</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">sclr</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">sset</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="info" file="Xst" num="2169" delta="new" >HDL ADVISOR - Some clock signals were not automatically buffered by XST with BUFG/BUFR resources. Please use the buffer_type constraint in order to insert these buffers to the clock signals to help prevent skew problems.
</msg>

</messages>

