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create_clock allow negative waveform time 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2021-08-16 12:18:10 -07:00
parent 4016dec51f
commit 243d88292f
1 changed files with 0 additions and 3 deletions
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3
tcl/Sdc.tcl
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@ -1102,9 +1102,6 @@ proc create_clock { args } {
foreach edge $wave_arg { foreach edge $wave_arg {
check_float "-waveform edge" $edge check_float "-waveform edge" $edge
set edge [time_ui_sta $edge] set edge [time_ui_sta $edge]
if { $edge < 0 } {
sta_error 340 "negative clock -waveform edge time."
}
if { !$first_edge && $edge < $prev_edge } { if { !$first_edge && $edge < $prev_edge } {
sta_error 338 "non-increasing clock -waveform edge times." sta_error 338 "non-increasing clock -waveform edge times."
} }