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-rw-r--r--techlibs/common/mul2dsp.v4
1 files changed, 1 insertions, 3 deletions
diff --git a/techlibs/common/mul2dsp.v b/techlibs/common/mul2dsp.v
index 3ca69b7b1..9932e288f 100644
--- a/techlibs/common/mul2dsp.v
+++ b/techlibs/common/mul2dsp.v
@@ -77,10 +77,8 @@ module _80_mul (A, B, Y);
else if (Y_WIDTH < `DSP_Y_MINWIDTH)
wire _TECHMAP_FAIL_ = 1;
`endif
- else if (_TECHMAP_CELLTYPE_ == "$mul" && A_SIGNED != B_SIGNED)
- wire _TECHMAP_FAIL_ = 1;
`ifdef DSP_SIGNEDONLY
- else if (_TECHMAP_CELLTYPE_ == "$mul" && !A_SIGNED)
+ else if (_TECHMAP_CELLTYPE_ == "$mul" && !A_SIGNED && !B_SIGNED)
\$mul #(
.A_SIGNED(1),
.B_SIGNED(1),