i A PHYSICAL IMPLEMENTATION WITH CUSTOM LOW POWER ...

#*************************PLACING inp1 ************************#
# Placing Pins inp1
set BANK_NO [expr {$NUMBER_OF_MODULES
-1}]
set Y_LOC $DIE_HEIGHT_ALU_STRIPE
#The subtraction of the input pin spacing is necessary
set X_LOC [expr {$INP1_OFFSET + $CHIP_OFFSET - $INPUT_PIN_SPACING}]
set FLAG 0
set PINS_PER_ALU_COUNT 1
set PIN_COUNT [expr {($NUMBER_OF_MODULES*32)-1}]
for {set i $PIN_COUNT} {$i > -1} {decr i 1} {
if {$PINS_PER_ALU_COUNT == 33} {
if {$FLAG == 0} {
set X_LOC [expr {($X_LOC - (31*$INPUT_PIN_SPACING)) + $PIN_BANK_SPACING +
$INTER_ALU_DISTANCE_MIN}]
set FLAG 1
} else {
set X_LOC [expr {($X_LOC - (31*$INPUT_PIN_SPACING)) + $PIN_BANK_SPACING +
$INTER_ALU_DISTANCE_MAX}] set FLAG 0
}
set PINS_PER_ALU_COUNT 2
} else {
set X_LOC [expr {$X_LOC
+ $INPUT_PIN_SPACING}]
incr PINS_PER_ALU_COUNT 1
}
set PIN_NAME "inp1\\\[$i\\\]"
puts "$PIN_NAME $X_LOC
$Y_LOC"
preassignPin stripe $PIN_NAME
-loc $X_LOC $Y_LOC -layer 2
}
#**************PLACING inp2 pins and
sel bus pins************************#
#Placing Pins inp2
set PIN_COUNT [expr {($NUMBER_OF_MODULES*32)-1}]
set Y_LOC $DIE_HEIGHT_ALU_STRIPE
set X_LOC [expr {$INP2_OFFSET + $CHIP_OFFSET
-$INPUT_PIN_SPACING}]
set FLAG 0
set PINS_PER_ALU_COUNT 1
set BANK_COUNT [expr {$NUMBER_OF_MODULES
-1}]
for {set i $PIN_COUNT} {$i > -1} {decr i 1}
{
if {$PINS_PER_ALU_COUNT == 33} {
set X_LOC [expr {$X_LOC + $INPUT_PIN_SPACING}]
set PIN_NAME "sel_bus\\\[$BANK_COUNT\\\]"
puts "$PIN_NAME"
preassignPin stripe $PIN_NAME -loc $X_LOC $Y_LOC -layer 2
decr BANK_COUNT 1
if {$FLAG == 0} {
set X_LOC [expr {($X_LOC
- (32*$INPUT_PIN_SPACING)) + $PIN_BANK_SPACING +
$ INTER_ALU_DISTANCE_MIN}]
set FLAG 1
} else {
set X_LOC [expr {($X_LOC - (32*$INPUT_PIN_SPACING))
+ $PIN_BANK_SPACING +
$ INTER_ALU_DISTANCE_MAX}]
set FLAG 0
}
set PINS_PER_ALU_COUNT 2
} else {
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