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| author | Eddie Hung <eddie@fpgeh.com> | 2019-09-20 09:02:29 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-09-20 09:02:29 -0700 |
| commit | 289cf688b76328d62c7416d1327d2d6777b0ffd9 (patch) | |
| tree | bf4bf4a5fca4242ab9d61cb0dfb054bf8f067333 | |
| parent | 829e4f5d2c8a521b5e4f80e85b9d58191d64f0d5 (diff) | |
| download | yosys-289cf688b76328d62c7416d1327d2d6777b0ffd9.tar.gz yosys-289cf688b76328d62c7416d1327d2d6777b0ffd9.tar.bz2 yosys-289cf688b76328d62c7416d1327d2d6777b0ffd9.zip | |
Re-add DSP_A_MINWIDTH, remove unnec. opt_expr -fine from synth_ice40
| -rw-r--r-- | techlibs/ice40/synth_ice40.cc | 3 | ||||
| -rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 2 |
2 files changed, 2 insertions, 3 deletions
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index 284bc90d0..7a8f3d70c 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -274,9 +274,8 @@ struct SynthIce40Pass : public ScriptPass run("opt_clean"); if (help_mode || dsp) { run("techmap -map +/mul2dsp.v -map +/ice40/dsp_map.v -D DSP_A_MAXWIDTH=16 -D DSP_B_MAXWIDTH=16 " - "-D DSP_A_MINWIDTH=2 -D DSP_Y_MINWIDTH=11 " + "-D DSP_A_MINWIDTH=2 -D DSP_B_MINWIDTH=2 -D DSP_Y_MINWIDTH=11 " "-D DSP_NAME=$__MUL16X16", "(if -dsp)"); - run("opt_expr -fine", " (if -dsp)"); run("wreduce", " (if -dsp)"); run("ice40_dsp", " (if -dsp)"); run("chtype -set $mul t:$__soft_mul","(if -dsp)"); diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 6687a0786..022b0d108 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -343,7 +343,7 @@ struct SynthXilinxPass : public ScriptPass if (!nodsp || help_mode) { // NB: Xilinx multipliers are signed only run("techmap -map +/mul2dsp.v -map +/xilinx/dsp_map.v -D DSP_A_MAXWIDTH=25 -D DSP_A_MAXWIDTH_PARTIAL=18 -D DSP_B_MAXWIDTH=18 " - "-D DSP_B_MINWIDTH=2 " // Blocks Nx1 multipliers + "-D DSP_A_MINWIDTH=2 -D DSP_B_MINWIDTH=2 " // Blocks Nx1 multipliers "-D DSP_Y_MINWIDTH=9 " // UG901 suggests small multiplies are those 4x4 and smaller "-D DSP_SIGNEDONLY=1 -D DSP_NAME=$__MUL25X18"); run("xilinx_dsp"); |