diff options
Diffstat (limited to 'techlibs/achronix')
| -rw-r--r-- | techlibs/achronix/speedster22i/cells_arith.v | 6 | ||||
| -rw-r--r-- | techlibs/achronix/speedster22i/cells_map.v | 1 | ||||
| -rw-r--r-- | techlibs/achronix/synth_achronix.cc | 8 |
3 files changed, 11 insertions, 4 deletions
diff --git a/techlibs/achronix/speedster22i/cells_arith.v b/techlibs/achronix/speedster22i/cells_arith.v index e2194cbd7..8529706a7 100644 --- a/techlibs/achronix/speedster22i/cells_arith.v +++ b/techlibs/achronix/speedster22i/cells_arith.v @@ -26,8 +26,11 @@ module _80_altera_max10_alu (A, B, CI, BI, X, Y, CO); parameter B_WIDTH = 1; parameter Y_WIDTH = 1; + (* force_downto *) input [A_WIDTH-1:0] A; + (* force_downto *) input [B_WIDTH-1:0] B; + (* force_downto *) output [Y_WIDTH-1:0] X, Y; input CI, BI; @@ -36,11 +39,14 @@ module _80_altera_max10_alu (A, B, CI, BI, X, Y, CO); wire _TECHMAP_FAIL_ = Y_WIDTH <= 4; + (* force_downto *) wire [Y_WIDTH-1:0] A_buf, B_buf; \$pos #(.A_SIGNED(A_SIGNED), .A_WIDTH(A_WIDTH), .Y_WIDTH(Y_WIDTH)) A_conv (.A(A), .Y(A_buf)); \$pos #(.A_SIGNED(B_SIGNED), .A_WIDTH(B_WIDTH), .Y_WIDTH(Y_WIDTH)) B_conv (.A(B), .Y(B_buf)); + (* force_downto *) wire [Y_WIDTH-1:0] AA = A_buf; + (* force_downto *) wire [Y_WIDTH-1:0] BB = BI ? ~B_buf : B_buf; //wire [Y_WIDTH:0] C = {CO, CI}; wire [Y_WIDTH+1:0] COx; diff --git a/techlibs/achronix/speedster22i/cells_map.v b/techlibs/achronix/speedster22i/cells_map.v index 9f647cbef..a19e53f49 100644 --- a/techlibs/achronix/speedster22i/cells_map.v +++ b/techlibs/achronix/speedster22i/cells_map.v @@ -38,6 +38,7 @@ endmodule module \$lut (A, Y); parameter WIDTH = 0; parameter LUT = 0; + (* force_downto *) input [WIDTH-1:0] A; output Y; generate diff --git a/techlibs/achronix/synth_achronix.cc b/techlibs/achronix/synth_achronix.cc index 262a5e700..ddd9822b9 100644 --- a/techlibs/achronix/synth_achronix.cc +++ b/techlibs/achronix/synth_achronix.cc @@ -28,7 +28,7 @@ PRIVATE_NAMESPACE_BEGIN struct SynthAchronixPass : public ScriptPass { SynthAchronixPass() : ScriptPass("synth_achronix", "synthesis for Acrhonix Speedster22i FPGAs.") { } - void help() YS_OVERRIDE + void help() override { // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| log("\n"); @@ -63,7 +63,7 @@ struct SynthAchronixPass : public ScriptPass { string top_opt, family_opt, vout_file; bool retime, flatten; - void clear_flags() YS_OVERRIDE + void clear_flags() override { top_opt = "-auto-top"; vout_file = ""; @@ -71,7 +71,7 @@ struct SynthAchronixPass : public ScriptPass { flatten = true; } - void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE + void execute(std::vector<std::string> args, RTLIL::Design *design) override { string run_from, run_to; clear_flags(); @@ -118,7 +118,7 @@ struct SynthAchronixPass : public ScriptPass { log_pop(); } - void script() YS_OVERRIDE + void script() override { if (check_label("begin")) { |