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Do not define `DSP_SIGNEDONLY macro if no exists

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This commit is contained in:
Eddie Hung 2019-07-18 16:04:58 -07:00
parent 42e40dbd0a
commit 15c2a79ab9
1 changed files with 3 additions and 4 deletions
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7
techlibs/common/mul2dsp.v
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@ -8,9 +8,6 @@ $error("Macro DSP_A_MAXWIDTH must be defined");
`ifndef DSP_B_MAXWIDTH `ifndef DSP_B_MAXWIDTH
$error("Macro DSP_B_MAXWIDTH must be defined"); $error("Macro DSP_B_MAXWIDTH must be defined");
`endif `endif
`ifndef DSP_SIGNEDONLY
`define DSP_SIGNEDONLY 0
`endif
`ifndef DSP_NAME `ifndef DSP_NAME
$error("Macro DSP_NAME must be defined"); $error("Macro DSP_NAME must be defined");
@ -33,7 +30,8 @@ module \$mul (A, B, Y);
generate generate
if (A_SIGNED != B_SIGNED) if (A_SIGNED != B_SIGNED)
wire _TECHMAP_FAIL_ = 1; wire _TECHMAP_FAIL_ = 1;
else if (`DSP_SIGNEDONLY && !A_SIGNED) begin `ifdef DSP_SIGNEDONLY
else if (!A_SIGNED) begin
wire [1:0] dummy; wire [1:0] dummy;
\$mul #( \$mul #(
.A_SIGNED(1), .A_SIGNED(1),
@ -47,6 +45,7 @@ module \$mul (A, B, Y);
.Y({dummy, Y}) .Y({dummy, Y})
); );
end end
`endif
// NB: A_SIGNED == B_SIGNED == 0 from here // NB: A_SIGNED == B_SIGNED == 0 from here
else if (A_WIDTH >= B_WIDTH) else if (A_WIDTH >= B_WIDTH)
\$__mul_gen #( \$__mul_gen #(