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Merge remote-tracking branch 'origin/eddie/peepopt_dffmuxext' into xc7dsp

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Eddie Hung 2019-09-11 00:57:25 -07:00
commit fc7008671f
5 changed files with 110 additions and 59 deletions
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21
tests/various/peepopt.ys
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@ -49,12 +49,29 @@ select -assert-count 0 t:*
design -reset
read_verilog <<EOT
module peepopt_dffmuxext_signed(input clk, ce, input signed [1:0] i, output reg signed [3:0] o);
module peepopt_dffmuxext_unsigned(input clk, ce, input [1:0] i, output reg [3:0] o);
always @(posedge clk) if (ce) o <= i;
endmodule
EOT
prep -nokeepdc
proc
equiv_opt -assert peepopt
design -load postopt
clean
select -assert-count 1 t:$dff r:WIDTH=2 %i
select -assert-count 1 t:$mux r:WIDTH=2 %i
select -assert-count 0 t:$dff t:$mux %% t:* %D
####################
design -reset
read_verilog <<EOT
module peepopt_dffmuxext_signed(input clk, ce, input signed [1:0] i, output reg signed [3:0] o);
always @(posedge clk) if (ce) o <= i;
endmodule
EOT
proc
equiv_opt -assert peepopt
design -load postopt
clean