diff options
Diffstat (limited to 'tests/lut')
| -rw-r--r-- | tests/lut/.gitignore | 1 | ||||
| -rw-r--r-- | tests/lut/check_map.ys | 6 | ||||
| -rw-r--r-- | tests/lut/check_map_lut6.ys | 7 | ||||
| -rw-r--r-- | tests/lut/map_and.v | 5 | ||||
| -rw-r--r-- | tests/lut/map_cmp.v | 30 | ||||
| -rw-r--r-- | tests/lut/map_mux.v | 5 | ||||
| -rw-r--r-- | tests/lut/map_not.v | 5 | ||||
| -rw-r--r-- | tests/lut/map_or.v | 5 | ||||
| -rw-r--r-- | tests/lut/map_xor.v | 5 | ||||
| -rwxr-xr-x | tests/lut/run-test.sh | 11 |
10 files changed, 80 insertions, 0 deletions
diff --git a/tests/lut/.gitignore b/tests/lut/.gitignore new file mode 100644 index 000000000..397b4a762 --- /dev/null +++ b/tests/lut/.gitignore @@ -0,0 +1 @@ +*.log diff --git a/tests/lut/check_map.ys b/tests/lut/check_map.ys new file mode 100644 index 000000000..46854e82e --- /dev/null +++ b/tests/lut/check_map.ys @@ -0,0 +1,6 @@ +simplemap +equiv_opt -assert techmap -D LUT_WIDTH=4 -map +/cmp2lut.v +design -load postopt +equiv_opt -assert techmap -D LUT_WIDTH=4 -map +/gate2lut.v +design -load postopt +select -assert-count 0 t:* t:$lut %d diff --git a/tests/lut/check_map_lut6.ys b/tests/lut/check_map_lut6.ys new file mode 100644 index 000000000..8a32e4d10 --- /dev/null +++ b/tests/lut/check_map_lut6.ys @@ -0,0 +1,7 @@ +chparam -set LUT_WIDTH 6 top +simplemap +equiv_opt -assert techmap -D LUT_WIDTH=6 -map +/cmp2lut.v +design -load postopt +equiv_opt -assert techmap -D LUT_WIDTH=6 -map +/gate2lut.v +design -load postopt +select -assert-count 0 t:* t:$lut %d diff --git a/tests/lut/map_and.v b/tests/lut/map_and.v new file mode 100644 index 000000000..68ae33fd6 --- /dev/null +++ b/tests/lut/map_and.v @@ -0,0 +1,5 @@ +module top(...); + input a, b; + output y; + assign y = a&b; +endmodule diff --git a/tests/lut/map_cmp.v b/tests/lut/map_cmp.v new file mode 100644 index 000000000..0014eb9ac --- /dev/null +++ b/tests/lut/map_cmp.v @@ -0,0 +1,30 @@ +module top(...); + parameter LUT_WIDTH = 4; // Multiples of 2 only + input [LUT_WIDTH-1:0] a; + + output o1_1 = {(LUT_WIDTH/2){2'b10}} <= a; + output o1_2 = {(LUT_WIDTH/2){2'b10}} < a; + output o1_3 = {(LUT_WIDTH/2){2'b10}} >= a; + output o1_4 = {(LUT_WIDTH/2){2'b10}} > a; + output o1_5 = {(LUT_WIDTH/2){2'b10}} == a; + output o1_6 = {(LUT_WIDTH/2){2'b10}} != a; + + output o2_1 = a <= {(LUT_WIDTH/2){2'b10}}; + output o2_2 = a < {(LUT_WIDTH/2){2'b10}}; + output o2_3 = a >= {(LUT_WIDTH/2){2'b10}}; + output o2_4 = a > {(LUT_WIDTH/2){2'b10}}; + output o2_5 = a == {(LUT_WIDTH/2){2'b10}}; + output o2_6 = a != {(LUT_WIDTH/2){2'b10}}; + + output o3_1 = {(LUT_WIDTH/2){2'sb01}} <= $signed(a); + output o3_2 = {(LUT_WIDTH/2){2'sb01}} < $signed(a); + output o3_3 = {(LUT_WIDTH/2){2'sb01}} >= $signed(a); + output o3_4 = {(LUT_WIDTH/2){2'sb01}} > $signed(a); + output o3_5 = {(LUT_WIDTH/2){2'sb01}} == $signed(a); + output o3_6 = {(LUT_WIDTH/2){2'sb01}} != $signed(a); + + output o4_1 = $signed(a) <= {LUT_WIDTH{1'sb0}}; + output o4_2 = $signed(a) < {LUT_WIDTH{1'sb0}}; + output o4_3 = $signed(a) >= {LUT_WIDTH{1'sb0}}; + output o4_4 = $signed(a) > {LUT_WIDTH{1'sb0}}; +endmodule diff --git a/tests/lut/map_mux.v b/tests/lut/map_mux.v new file mode 100644 index 000000000..ccecf3023 --- /dev/null +++ b/tests/lut/map_mux.v @@ -0,0 +1,5 @@ +module top(...); + input a, b, s; + output y; + assign y = s?a:b; +endmodule diff --git a/tests/lut/map_not.v b/tests/lut/map_not.v new file mode 100644 index 000000000..385997414 --- /dev/null +++ b/tests/lut/map_not.v @@ -0,0 +1,5 @@ +module top(...); + input a; + output y; + assign y = ~a; +endmodule diff --git a/tests/lut/map_or.v b/tests/lut/map_or.v new file mode 100644 index 000000000..8b8c55188 --- /dev/null +++ b/tests/lut/map_or.v @@ -0,0 +1,5 @@ +module top(...); + input a, b; + output y; + assign y = a|b; +endmodule diff --git a/tests/lut/map_xor.v b/tests/lut/map_xor.v new file mode 100644 index 000000000..708a05789 --- /dev/null +++ b/tests/lut/map_xor.v @@ -0,0 +1,5 @@ +module top(...); + input a, b; + output y; + assign y = a^b; +endmodule diff --git a/tests/lut/run-test.sh b/tests/lut/run-test.sh new file mode 100755 index 000000000..f8964f146 --- /dev/null +++ b/tests/lut/run-test.sh @@ -0,0 +1,11 @@ +#!/bin/bash +set -e +for x in *.v; do + echo "Running $x.." + ../../yosys -q -s check_map.ys -l ${x%.v}.log $x +done + +for x in map_cmp.v; do + echo "Running $x.." + ../../yosys -q -s check_map_lut6.ys -l ${x%.v}_lut6.log $x +done |