?? xst.xmsgs
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<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">write_data_58</arg>> is unconnected in block <<arg fmt="%s" index="2">ddr_cntl_a_data_write_0</arg>>.
</msg>
<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">write_data_59</arg>> is unconnected in block <<arg fmt="%s" index="2">ddr_cntl_a_data_write_0</arg>>.
</msg>
<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">write_data_60</arg>> is unconnected in block <<arg fmt="%s" index="2">ddr_cntl_a_data_write_0</arg>>.
</msg>
<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">write_data_61</arg>> is unconnected in block <<arg fmt="%s" index="2">ddr_cntl_a_data_write_0</arg>>.
</msg>
<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">write_data_62</arg>> is unconnected in block <<arg fmt="%s" index="2">ddr_cntl_a_data_write_0</arg>>.
</msg>
<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">write_data_63</arg>> is unconnected in block <<arg fmt="%s" index="2">ddr_cntl_a_data_write_0</arg>>.
</msg>
<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">config_reg_3</arg>> is unconnected in block <<arg fmt="%s" index="2">ddr_cntl_a_controller_0</arg>>.
</msg>
<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">config_reg_7</arg>> is unconnected in block <<arg fmt="%s" index="2">ddr_cntl_a_controller_0</arg>>.
</msg>
<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">config_reg_8</arg>> is unconnected in block <<arg fmt="%s" index="2">ddr_cntl_a_controller_0</arg>>.
</msg>
<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">config_reg_9</arg>> is unconnected in block <<arg fmt="%s" index="2">ddr_cntl_a_controller_0</arg>>.
</msg>
<msg type="info" file="Xst" num="2261" delta="unknown" >The FF/Latch <<arg fmt="%s" index="1">row_address_reg_0</arg>> in Unit <<arg fmt="%s" index="2">ddr_cntl_a_controller_0</arg>> is equivalent to the following <arg fmt="%s" index="3">FF/Latch</arg>, which will be removed : <arg fmt="%s" index="4"><column_address_reg_11> </arg>
</msg>
<msg type="info" file="Xst" num="2261" delta="unknown" >The FF/Latch <<arg fmt="%s" index="1">row_address_reg_1</arg>> in Unit <<arg fmt="%s" index="2">ddr_cntl_a_controller_0</arg>> is equivalent to the following <arg fmt="%s" index="3">FF/Latch</arg>, which will be removed : <arg fmt="%s" index="4"><column_address_reg_12> </arg>
</msg>
<msg type="warning" file="Xst" num="1710" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">u_cmd_0</arg>> (without init value) has a constant value of <arg fmt="%d" index="2">0</arg> in block <<arg fmt="%s" index="3">ddr_cntl_a_cmd_fsm_0</arg>>.
</msg>
<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">ar_done</arg>> is unconnected in block <<arg fmt="%s" index="2">controller0</arg>>.
</msg>
<msg type="warning" file="Xst" num="1291" delta="unknown" >FF/Latch <<arg fmt="%s" index="1">rst0_r</arg>> is unconnected in block <<arg fmt="%s" index="2">ddr1_test_bench0</arg>>.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">cnt_roll</arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">burst_done</arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">burst_length<0></arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">burst_length<1></arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">burst_length<2></arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">cas_latency<0></arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">cas_latency<1></arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">cas_latency<2></arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">AUTO_REF_detect</arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">write_cmd3</arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">dqs_enable</arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">dqs_reset</arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">4</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">read_cmd5</arg>> and currently occupies <arg fmt="%d" index="3">4</arg> logic cells (<arg fmt="%d" index="4">2</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">3</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">auto_ref</arg>> and currently occupies <arg fmt="%d" index="3">3</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">read_valid_data_1_r1</arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">3</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">u_data_val</arg>> and currently occupies <arg fmt="%d" index="3">3</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">3</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">fifo_00_wr_addr_3d<0></arg>> and currently occupies <arg fmt="%d" index="3">3</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">3</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">fifo_00_wr_addr_3d<1></arg>> and currently occupies <arg fmt="%d" index="3">3</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">3</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">fifo_00_wr_addr_3d<2></arg>> and currently occupies <arg fmt="%d" index="3">3</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">3</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">fifo_00_wr_addr_3d<3></arg>> and currently occupies <arg fmt="%d" index="3">3</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">3</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">fifo_01_wr_addr_3d<0></arg>> and currently occupies <arg fmt="%d" index="3">3</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">3</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">fifo_01_wr_addr_3d<1></arg>> and currently occupies <arg fmt="%d" index="3">3</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">3</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">fifo_01_wr_addr_3d<2></arg>> and currently occupies <arg fmt="%d" index="3">3</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">3</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">fifo_01_wr_addr_3d<3></arg>> and currently occupies <arg fmt="%d" index="3">3</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">rst_calib1_r2</arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">sys_rst_val</arg>> and currently occupies <arg fmt="%d" index="3">2</arg> logic cells (<arg fmt="%d" index="4">1</arg> slices). Removing the set/reset logic would take advantage of SRL16 (and derived) primitives and reduce this to 1 logic cells (1 slices). Evaluate if the set/reset can be removed for this simple shift register. The majority of simple pipeline structures do not need to be set/reset operationally.
</msg>
<msg type="info" file="Xst" num="2387" delta="unknown" >HDL ADVISOR - A <arg fmt="%d" index="1">2</arg>-bit shift register was found for signal <<arg fmt="%s" index="2">sys_rst90_val</arg>> and cu?? 快捷鍵說明
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