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| author | clairexen <claire@symbioticeda.com> | 2020-05-29 16:37:23 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-29 16:37:23 +0200 |
| commit | 94c10353897c6b2b3f960bdd6647a5da9c1d9f2c (patch) | |
| tree | 695ca7d8b26c8c4268498c76e09c157d9846bde0 /tests | |
| parent | af36afe722dc35b129351af592ef340e512e0292 (diff) | |
| parent | f88bef767263590c94e157d0989afa91db3ccdb0 (diff) | |
| download | yosys-94c10353897c6b2b3f960bdd6647a5da9c1d9f2c.tar.gz yosys-94c10353897c6b2b3f960bdd6647a5da9c1d9f2c.tar.bz2 yosys-94c10353897c6b2b3f960bdd6647a5da9c1d9f2c.zip | |
Merge pull request #1885 from Xiretza/mod-rem-cells
Fix modulo/remainder semantics
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/simple/constmuldivmod.v | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/tests/simple/constmuldivmod.v b/tests/simple/constmuldivmod.v index d1d8be862..5dd8f9295 100644 --- a/tests/simple/constmuldivmod.v +++ b/tests/simple/constmuldivmod.v @@ -1,4 +1,4 @@ -module constmuldivmod(input [7:0] A, input [2:0] mode, output reg [7:0] Y); +module constmuldivmod(input [7:0] A, input [5:0] mode, output reg [7:0] Y); always @* begin case (mode) 0: Y = A / 8'd0; @@ -21,6 +21,46 @@ module constmuldivmod(input [7:0] A, input [2:0] mode, output reg [7:0] Y); 13: Y = A % 8'd8; 14: Y = A * 8'd8; + 15: Y = $signed(A) / $signed(8'd0); + 16: Y = $signed(A) % $signed(8'd0); + 17: Y = $signed(A) * $signed(8'd0); + + 18: Y = $signed(A) / $signed(8'd1); + 19: Y = $signed(A) % $signed(8'd1); + 20: Y = $signed(A) * $signed(8'd1); + + 21: Y = $signed(A) / $signed(8'd2); + 22: Y = $signed(A) % $signed(8'd2); + 23: Y = $signed(A) * $signed(8'd2); + + 24: Y = $signed(A) / $signed(8'd4); + 25: Y = $signed(A) % $signed(8'd4); + 26: Y = $signed(A) * $signed(8'd4); + + 27: Y = $signed(A) / $signed(8'd8); + 28: Y = $signed(A) % $signed(8'd8); + 29: Y = $signed(A) * $signed(8'd8); + + 30: Y = $signed(A) / $signed(-8'd0); + 31: Y = $signed(A) % $signed(-8'd0); + 32: Y = $signed(A) * $signed(-8'd0); + + 33: Y = $signed(A) / $signed(-8'd1); + 34: Y = $signed(A) % $signed(-8'd1); + 35: Y = $signed(A) * $signed(-8'd1); + + 36: Y = $signed(A) / $signed(-8'd2); + 37: Y = $signed(A) % $signed(-8'd2); + 38: Y = $signed(A) * $signed(-8'd2); + + 39: Y = $signed(A) / $signed(-8'd4); + 40: Y = $signed(A) % $signed(-8'd4); + 41: Y = $signed(A) * $signed(-8'd4); + + 42: Y = $signed(A) / $signed(-8'd8); + 43: Y = $signed(A) % $signed(-8'd8); + 44: Y = $signed(A) * $signed(-8'd8); + default: Y = 8'd16 * A; endcase end |