diff options
| -rw-r--r-- | passes/pmgen/peepopt_shiftmul.pmg | 5 | ||||
| -rw-r--r-- | tests/various/peepopt.ys | 4 |
2 files changed, 5 insertions, 4 deletions
diff --git a/passes/pmgen/peepopt_shiftmul.pmg b/passes/pmgen/peepopt_shiftmul.pmg index d4748ae19..e1da52182 100644 --- a/passes/pmgen/peepopt_shiftmul.pmg +++ b/passes/pmgen/peepopt_shiftmul.pmg @@ -50,8 +50,9 @@ code if (GetSize(const_factor_cnst) > 20) reject; - if (GetSize(port(shift, \Y)) > const_factor) - reject; + if (shift->type.in($shift, $shiftx)) + if (GetSize(port(shift, \Y)) > const_factor) + reject; int factor_bits = ceil_log2(const_factor); SigSpec mul_din = port(mul, const_factor_port == \A ? \B : \A); diff --git a/tests/various/peepopt.ys b/tests/various/peepopt.ys index a476133a2..dcf3cacbd 100644 --- a/tests/various/peepopt.ys +++ b/tests/various/peepopt.ys @@ -16,7 +16,7 @@ select -assert-count 0 t:$shiftx t:* %D design -reset read_verilog <<EOT module peepopt_shiftmul_1 (output [7:0] y, input [2:0] w); -assign y = 1'b1 >> (w * (3'b110)); +assign y = 1'b1 >> (w * (8'b110)); endmodule EOT @@ -25,7 +25,7 @@ equiv_opt -assert peepopt design -load postopt clean select -assert-count 1 t:$shr -select -assert-count 1 t:$mul +select -assert-count 0 t:$mul select -assert-count 0 t:$shr t:$mul %% t:* %D #################### |