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Reduce extraneous warnings from get_cells
1 parent ccc1532 commit 75d9154

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syn/axis_async_fifo.tcl

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -33,19 +33,19 @@ foreach fifo_inst [get_cells -hier -filter {(ORIG_REF_NAME == axis_async_fifo ||
3333
set min_clk_period [expr $read_clk_period < $write_clk_period ? $read_clk_period : $write_clk_period]
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# reset synchronization
36-
set reset_ffs [get_cells -hier -regexp ".*/(s|m)_rst_sync\[123\]_reg_reg" -filter "PARENT == $fifo_inst"]
36+
set reset_ffs [get_cells -quiet -hier -regexp ".*/(s|m)_rst_sync\[123\]_reg_reg" -filter "PARENT == $fifo_inst"]
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if {[llength $reset_ffs]} {
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set_property ASYNC_REG TRUE $reset_ffs
4040
set_false_path -to [get_pins -of_objects $reset_ffs -filter {IS_PRESET || IS_RESET}]
4141
}
4242

43-
if {[llength [get_cells $fifo_inst/s_rst_sync2_reg_reg]]} {
43+
if {[llength [get_cells -quiet $fifo_inst/s_rst_sync2_reg_reg]]} {
4444
set_false_path -to [get_pins $fifo_inst/s_rst_sync2_reg_reg/D]
4545
set_max_delay -from [get_cells $fifo_inst/s_rst_sync2_reg_reg] -to [get_cells $fifo_inst/s_rst_sync3_reg_reg] $min_clk_period
4646
}
4747

48-
if {[llength [get_cells $fifo_inst/m_rst_sync2_reg_reg]]} {
48+
if {[llength [get_cells -quiet $fifo_inst/m_rst_sync2_reg_reg]]} {
4949
set_false_path -to [get_pins $fifo_inst/m_rst_sync2_reg_reg/D]
5050
set_max_delay -from [get_cells $fifo_inst/m_rst_sync2_reg_reg] -to [get_cells $fifo_inst/m_rst_sync3_reg_reg] $min_clk_period
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}
@@ -55,11 +55,11 @@ foreach fifo_inst [get_cells -hier -filter {(ORIG_REF_NAME == axis_async_fifo ||
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set_max_delay -from [get_cells "$fifo_inst/rd_ptr_reg_reg[*] $fifo_inst/rd_ptr_gray_reg_reg[*]"] -to [get_cells $fifo_inst/rd_ptr_gray_sync1_reg_reg[*]] -datapath_only $read_clk_period
5757
set_bus_skew -from [get_cells "$fifo_inst/rd_ptr_reg_reg[*] $fifo_inst/rd_ptr_gray_reg_reg[*]"] -to [get_cells $fifo_inst/rd_ptr_gray_sync1_reg_reg[*]] $write_clk_period
58-
set_max_delay -from [get_cells "$fifo_inst/wr_ptr_reg_reg[*] $fifo_inst/wr_ptr_gray_reg_reg[*] $fifo_inst/wr_ptr_sync_gray_reg_reg[*]"] -to [get_cells $fifo_inst/wr_ptr_gray_sync1_reg_reg[*]] -datapath_only $write_clk_period
59-
set_bus_skew -from [get_cells "$fifo_inst/wr_ptr_reg_reg[*] $fifo_inst/wr_ptr_gray_reg_reg[*] $fifo_inst/wr_ptr_sync_gray_reg_reg[*]"] -to [get_cells $fifo_inst/wr_ptr_gray_sync1_reg_reg[*]] $read_clk_period
58+
set_max_delay -from [get_cells -quiet "$fifo_inst/wr_ptr_reg_reg[*] $fifo_inst/wr_ptr_gray_reg_reg[*] $fifo_inst/wr_ptr_sync_gray_reg_reg[*]"] -to [get_cells $fifo_inst/wr_ptr_gray_sync1_reg_reg[*]] -datapath_only $write_clk_period
59+
set_bus_skew -from [get_cells -quiet "$fifo_inst/wr_ptr_reg_reg[*] $fifo_inst/wr_ptr_gray_reg_reg[*] $fifo_inst/wr_ptr_sync_gray_reg_reg[*]"] -to [get_cells $fifo_inst/wr_ptr_gray_sync1_reg_reg[*]] $read_clk_period
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# frame FIFO pointer update synchronization
62-
set update_ffs [get_cells -hier -regexp ".*/wr_ptr_update(_ack)?_sync\[123\]_reg_reg" -filter "PARENT == $fifo_inst"]
62+
set update_ffs [get_cells -quiet -hier -regexp ".*/wr_ptr_update(_ack)?_sync\[123\]_reg_reg" -filter "PARENT == $fifo_inst"]
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6464
if {[llength $update_ffs]} {
6565
set_property ASYNC_REG TRUE $update_ffs

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