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authorEddie Hung <eddie@fpgeh.com>2019-09-25 17:25:44 -0700
committerEddie Hung <eddie@fpgeh.com>2019-09-25 17:25:44 -0700
commita4238637acc4e6670ccefb1894b00c602a827408 (patch)
tree7ba3faeb674ee09e5d4c372265dc780704e0f140 /techlibs/common
parentf4387e817c3f75a06c9c94f307fa60572ea06383 (diff)
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Revert "Remove _TECHMAP_CELLTYPE_ check since all $mul"
This reverts commit 234738b103d4f2b3d937ed928fd89bc4e31627f1.
Diffstat (limited to 'techlibs/common')
-rw-r--r--techlibs/common/mul2dsp.v8
1 files changed, 6 insertions, 2 deletions
diff --git a/techlibs/common/mul2dsp.v b/techlibs/common/mul2dsp.v
index 953fc28d1..3ca69b7b1 100644
--- a/techlibs/common/mul2dsp.v
+++ b/techlibs/common/mul2dsp.v
@@ -61,6 +61,8 @@ module _80_mul (A, B, Y);
input [B_WIDTH-1:0] B;
output [Y_WIDTH-1:0] Y;
+ parameter _TECHMAP_CELLTYPE_ = "";
+
generate
if (0) begin end
`ifdef DSP_A_MINWIDTH
@@ -75,8 +77,10 @@ module _80_mul (A, B, Y);
else if (Y_WIDTH < `DSP_Y_MINWIDTH)
wire _TECHMAP_FAIL_ = 1;
`endif
+ else if (_TECHMAP_CELLTYPE_ == "$mul" && A_SIGNED != B_SIGNED)
+ wire _TECHMAP_FAIL_ = 1;
`ifdef DSP_SIGNEDONLY
- else if (!A_SIGNED)
+ else if (_TECHMAP_CELLTYPE_ == "$mul" && !A_SIGNED)
\$mul #(
.A_SIGNED(1),
.B_SIGNED(1),
@@ -89,7 +93,7 @@ module _80_mul (A, B, Y);
.Y(Y)
);
`endif
- else if (A_WIDTH < B_WIDTH)
+ else if (_TECHMAP_CELLTYPE_ == "$mul" && A_WIDTH < B_WIDTH)
\$mul #(
.A_SIGNED(B_SIGNED),
.B_SIGNED(A_SIGNED),