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author | Clifford Wolf <clifford@clifford.at> | 2019-05-28 19:02:26 +0200 |
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committer | GitHub <noreply@github.com> | 2019-05-28 19:02:26 +0200 |
commit | 349c47250a9779bc58634870d2e3facfe95fbff8 (patch) | |
tree | 19e10d852edaafe47622ba570dff5d5053246c81 /tests | |
parent | 8e647901ef6ea484bfe41628f258c53590ae4114 (diff) | |
parent | cb285e4b87112779efe84a7b6c5ae4a76a69ae01 (diff) | |
download | yosys-349c47250a9779bc58634870d2e3facfe95fbff8.tar.gz yosys-349c47250a9779bc58634870d2e3facfe95fbff8.tar.bz2 yosys-349c47250a9779bc58634870d2e3facfe95fbff8.zip |
Merge pull request #1049 from YosysHQ/clifford/fix1047
Do not use shiftmul peepopt pattern when mul result is truncated
Diffstat (limited to 'tests')
-rw-r--r-- | tests/simple/peepopt.v | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/simple/peepopt.v b/tests/simple/peepopt.v index b27b9fe57..1bf427897 100644 --- a/tests/simple/peepopt.v +++ b/tests/simple/peepopt.v @@ -2,6 +2,10 @@ module peepopt_shiftmul_0 #(parameter N=3, parameter W=3) (input [N*W-1:0] i, in assign o = i[s*W+:W]; endmodule +module peepopt_shiftmul_1 (output y, input [2:0] w); +assign y = 1'b1 >> (w * (3'b110)); +endmodule + module peepopt_muldiv_0(input [1:0] i, output [1:0] o); wire [3:0] t; assign t = i * 3; |