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-rw-r--r--CHANGELOG2
-rw-r--r--Makefile2
-rw-r--r--backends/cxxrtl/cxxrtl.h3
-rw-r--r--frontends/ast/simplify.cc49
-rw-r--r--passes/opt/opt.cc24
-rw-r--r--passes/techmap/abc9.cc2
-rw-r--r--techlibs/common/synth.cc6
-rw-r--r--techlibs/ecp5/synth_ecp5.cc26
-rw-r--r--techlibs/gowin/synth_gowin.cc8
-rw-r--r--techlibs/ice40/synth_ice40.cc4
-rw-r--r--techlibs/intel/synth_intel.cc2
-rw-r--r--techlibs/intel_alm/common/dsp_sim.v2
-rw-r--r--techlibs/intel_alm/common/megafunction_bb.v431
-rw-r--r--techlibs/intel_alm/synth_intel_alm.cc5
-rw-r--r--techlibs/xilinx/synth_xilinx.cc4
-rw-r--r--tests/arch/anlogic/dffs.ys3
-rw-r--r--tests/arch/ecp5/fsm.ys6
-rw-r--r--tests/arch/efinix/adffs.ys6
-rw-r--r--tests/arch/efinix/dffs.ys3
-rw-r--r--tests/arch/gowin/init.ys19
-rw-r--r--tests/arch/intel_alm/adffs.ys10
-rw-r--r--tests/arch/intel_alm/fsm.ys12
-rwxr-xr-xtests/tools/autotest.sh6
-rw-r--r--tests/various/const_func.v12
-rw-r--r--tests/various/const_func_block_var.v23
-rw-r--r--tests/various/const_func_block_var.ys1
26 files changed, 576 insertions, 95 deletions
diff --git a/CHANGELOG b/CHANGELOG
index 08af3f4c9..6dcd05de6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -62,7 +62,6 @@ Yosys 0.9 .. Yosys 0.9-dev
- Improved support of $readmem[hb] Memory Content File inclusion
- Added "opt_lut_ins" pass
- Added "logger" pass
- - Removed "dffsr2dff" (use opt_rmdff instead)
- Added "design -delete"
- Added "select -unset"
- Use YosysHQ/abc instead of upstream berkeley-abc/abc
@@ -70,6 +69,7 @@ Yosys 0.9 .. Yosys 0.9-dev
- Added $adffe, $dffsre, $sdff, $sdffe, $sdffce, $adlatch cells
- Added "dfflegalize" pass
- Added "_TECHMAP_CELLNAME_" parameter for "techmap" pass
+ - Merged "dffsr2dff", "opt_rmdff", "dff2dffe", "dff2dffs", "peepopt.dffmux" passes into a new "opt_dff" pass
Yosys 0.8 .. Yosys 0.9
----------------------
diff --git a/Makefile b/Makefile
index 127fd972b..dfdb7afd8 100644
--- a/Makefile
+++ b/Makefile
@@ -123,7 +123,7 @@ LDFLAGS += -rdynamic
LDLIBS += -lrt
endif
-YOSYS_VER := 0.9+3468
+YOSYS_VER := 0.9+3477
GIT_REV := $(shell cd $(YOSYS_SRC) && git rev-parse --short HEAD 2> /dev/null || echo UNKNOWN)
OBJS = kernel/version_$(GIT_REV).o
diff --git a/backends/cxxrtl/cxxrtl.h b/backends/cxxrtl/cxxrtl.h
index f0d7b9fc7..e3c96d422 100644
--- a/backends/cxxrtl/cxxrtl.h
+++ b/backends/cxxrtl/cxxrtl.h
@@ -452,10 +452,11 @@ struct value : public expr_base<value<Bits>> {
bool carry = CarryIn;
for (size_t n = 0; n < result.chunks; n++) {
result.data[n] = data[n] + (Invert ? ~other.data[n] : other.data[n]) + carry;
+ if (result.chunks - 1 == n)
+ result.data[result.chunks - 1] &= result.msb_mask;
carry = (result.data[n] < data[n]) ||
(result.data[n] == data[n] && carry);
}
- result.data[result.chunks - 1] &= result.msb_mask;
return {result, carry};
}
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index b0f936c15..5ed5e7647 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -3052,7 +3052,7 @@ skip_dynamic_range_lvalue_expansion:;
bool all_args_const = true;
for (auto child : children) {
while (child->simplify(true, false, false, 1, -1, false, true)) { }
- if (child->type != AST_CONSTANT)
+ if (child->type != AST_CONSTANT && child->type != AST_REALVALUE)
all_args_const = false;
}
@@ -4411,27 +4411,9 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
size_t argidx = 0;
for (auto child : children)
{
- if (child->type == AST_WIRE)
- {
- while (child->simplify(true, false, false, 1, -1, false, true)) { }
- if (!child->range_valid)
- log_file_error(child->filename, child->location.first_line, "Can't determine size of variable %s\n%s:%d.%d-%d.%d: ... called from here.\n",
- child->str.c_str(), fcall->filename.c_str(), fcall->location.first_line, fcall->location.first_column, fcall->location.last_line, fcall->location.last_column);
- variables[child->str].val = RTLIL::Const(RTLIL::State::Sx, abs(child->range_left - child->range_right)+1);
- variables[child->str].offset = min(child->range_left, child->range_right);
- variables[child->str].is_signed = child->is_signed;
- if (child->is_input && argidx < fcall->children.size())
- variables[child->str].val = fcall->children.at(argidx++)->bitsAsConst(variables[child->str].val.bits.size());
- backup_scope[child->str] = current_scope[child->str];
- current_scope[child->str] = child;
- continue;
- }
-
block->children.push_back(child->clone());
}
- log_assert(variables.count(str) != 0);
-
while (!block->children.empty())
{
AstNode *stmt = block->children.front();
@@ -4443,6 +4425,35 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
stmt->dumpAst(NULL, "stmt> ");
#endif
+ if (stmt->type == AST_WIRE)
+ {
+ while (stmt->simplify(true, false, false, 1, -1, false, true)) { }
+ if (!stmt->range_valid)
+ log_file_error(stmt->filename, stmt->location.first_line, "Can't determine size of variable %s\n%s:%d.%d-%d.%d: ... called from here.\n",
+ stmt->str.c_str(), fcall->filename.c_str(), fcall->location.first_line, fcall->location.first_column, fcall->location.last_line, fcall->location.last_column);
+ variables[stmt->str].val = RTLIL::Const(RTLIL::State::Sx, abs(stmt->range_left - stmt->range_right)+1);
+ variables[stmt->str].offset = min(stmt->range_left, stmt->range_right);
+ variables[stmt->str].is_signed = stmt->is_signed;
+ if (stmt->is_input && argidx < fcall->children.size()) {
+ int width = variables[stmt->str].val.bits.size();
+ auto* arg_node = fcall->children.at(argidx++);
+ if (arg_node->type == AST_CONSTANT) {
+ variables[stmt->str].val = arg_node->bitsAsConst(width);
+ } else {
+ log_assert(arg_node->type == AST_REALVALUE);
+ variables[stmt->str].val = arg_node->realAsConst(width);
+ }
+ }
+ if (!backup_scope.count(stmt->str))
+ backup_scope[stmt->str] = current_scope[stmt->str];
+ current_scope[stmt->str] = stmt;
+
+ block->children.erase(block->children.begin());
+ continue;
+ }
+
+ log_assert(variables.count(str) != 0);
+
if (stmt->type == AST_ASSIGN_EQ)
{
if (stmt->children.at(0)->type == AST_IDENTIFIER && stmt->children.at(0)->children.size() != 0 &&
diff --git a/passes/opt/opt.cc b/passes/opt/opt.cc
index 77877b408..4b052d9a2 100644
--- a/passes/opt/opt.cc
+++ b/passes/opt/opt.cc
@@ -45,7 +45,7 @@ struct OptPass : public Pass {
log(" opt_reduce [-fine] [-full]\n");
log(" opt_merge [-share_all]\n");
log(" opt_share (-full only)\n");
- log(" opt_rmdff [-keepdc] [-sat] (except when called with -noff)\n");
+ log(" opt_dff [-nodffe] [-nosdff] [-keepdc] [-sat] (except when called with -noff)\n");
log(" opt_clean [-purge]\n");
log(" opt_expr [-mux_undef] [-mux_bool] [-undriven] [-noclkinv] [-fine] [-full] [-keepdc]\n");
log(" while <changed design>\n");
@@ -55,9 +55,9 @@ struct OptPass : public Pass {
log(" do\n");
log(" opt_expr [-mux_undef] [-mux_bool] [-undriven] [-noclkinv] [-fine] [-full] [-keepdc]\n");
log(" opt_merge [-share_all]\n");
- log(" opt_rmdff [-keepdc] [-sat] (except when called with -noff)\n");
+ log(" opt_dff [-nodffe] [-nosdff] [-keepdc] [-sat] (except when called with -noff)\n");
log(" opt_clean [-purge]\n");
- log(" while <changed design in opt_rmdff>\n");
+ log(" while <changed design in opt_dff>\n");
log("\n");
log("Note: Options in square brackets (such as [-keepdc]) are passed through to\n");
log("the opt_* commands when given to 'opt'.\n");
@@ -70,7 +70,7 @@ struct OptPass : public Pass {
std::string opt_expr_args;
std::string opt_reduce_args;
std::string opt_merge_args;
- std::string opt_rmdff_args;
+ std::string opt_dff_args;
bool opt_share = false;
bool fast_mode = false;
bool noff_mode = false;
@@ -113,11 +113,19 @@ struct OptPass : public Pass {
}
if (args[argidx] == "-keepdc") {
opt_expr_args += " -keepdc";
- opt_rmdff_args += " -keepdc";
+ opt_dff_args += " -keepdc";
+ continue;
+ }
+ if (args[argidx] == "-nodffe") {
+ opt_dff_args += " -nodffe";
+ continue;
+ }
+ if (args[argidx] == "-nosdff") {
+ opt_dff_args += " -nosdff";
continue;
}
if (args[argidx] == "-sat") {
- opt_rmdff_args += " -sat";
+ opt_dff_args += " -sat";
continue;
}
if (args[argidx] == "-share_all") {
@@ -143,7 +151,7 @@ struct OptPass : public Pass {
Pass::call(design, "opt_merge" + opt_merge_args);
design->scratchpad_unset("opt.did_something");
if (!noff_mode)
- Pass::call(design, "opt_rmdff" + opt_rmdff_args);
+ Pass::call(design, "opt_dff" + opt_dff_args);
if (design->scratchpad_get_bool("opt.did_something") == false)
break;
Pass::call(design, "opt_clean" + opt_clean_args);
@@ -163,7 +171,7 @@ struct OptPass : public Pass {
if (opt_share)
Pass::call(design, "opt_share");
if (!noff_mode)
- Pass::call(design, "opt_rmdff" + opt_rmdff_args);
+ Pass::call(design, "opt_dff" + opt_dff_args);
Pass::call(design, "opt_clean" + opt_clean_args);
Pass::call(design, "opt_expr" + opt_expr_args);
if (design->scratchpad_get_bool("opt.did_something") == false)
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index e99c56d8d..7d017ac40 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -295,7 +295,7 @@ struct Abc9Pass : public ScriptPass
run("proc");
run("wbflip");
run("techmap -wb -map %$abc9 -map +/techmap.v A:abc9_flop");
- run("opt");
+ run("opt -nodffe -nosdff");
if (dff_mode || help_mode) {
if (!help_mode)
active_design->scratchpad_unset("abc9_ops.prep_dff_submod.did_something");
diff --git a/techlibs/common/synth.cc b/techlibs/common/synth.cc
index b4c65e658..89d6e530e 100644
--- a/techlibs/common/synth.cc
+++ b/techlibs/common/synth.cc
@@ -220,6 +220,9 @@ struct SynthPass : public ScriptPass
run("opt_expr");
run("opt_clean");
run("check");
+ run("opt -nodffe -nosdff");
+ if (!nofsm)
+ run("fsm" + fsm_opts, " (unless -nofsm)");
run("opt");
run("wreduce");
run("peepopt");
@@ -233,9 +236,6 @@ struct SynthPass : public ScriptPass
if (!noshare)
run("share", " (unless -noshare)");
run("opt");
- if (!nofsm)
- run("fsm" + fsm_opts, " (unless -nofsm)");
- run("opt -fast");
run("memory -nomap" + memory_opts);
run("opt_clean");
}
diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc
index 46d051e44..3cee9722e 100644
--- a/techlibs/ecp5/synth_ecp5.cc
+++ b/techlibs/ecp5/synth_ecp5.cc
@@ -257,6 +257,8 @@ struct SynthEcp5Pass : public ScriptPass
run("opt_expr");
run("opt_clean");
run("check");
+ run("opt -nodffe -nosdff");
+ run("fsm");
run("opt");
run("wreduce");
run("peepopt");
@@ -271,8 +273,6 @@ struct SynthEcp5Pass : public ScriptPass
}
run("alumacc");
run("opt");
- run("fsm");
- run("opt -fast");
run("memory -nomap");
run("opt_clean");
}
@@ -311,16 +311,20 @@ struct SynthEcp5Pass : public ScriptPass
if (check_label("map_ffs"))
{
- run("dff2dffs");
run("opt_clean");
- if (!nodffe)
- run("dff2dffe -direct-match $_DFF_* -direct-match $_SDFF_*");
- if (help_mode)
- run("dfflegalize -cell $_DFF_?_ 01 -cell $_DFFE_??_ 01 -cell $_DFF_?P?_ r -cell $_DFFE_?P??_ r -cell $_SDFF_?P?_ r -cell $_SDFFE_?P??_ r -cell $_DLATCH_?_ x [-cell $_DFFSR_?PP_ x]", "($_DFFSR_*_ only if -asyncprld)");
- else if (asyncprld)
- run("dfflegalize -cell $_DFF_?_ 01 -cell $_DFFE_??_ 01 -cell $_DFF_?P?_ r -cell $_DFFE_?P??_ r -cell $_SDFF_?P?_ r -cell $_SDFFE_?P??_ r -cell $_DLATCH_?_ x -cell $_DFFSR_?PP_ x");
- else
- run("dfflegalize -cell $_DFF_?_ 01 -cell $_DFFE_??_ 01 -cell $_DFF_?P?_ r -cell $_DFFE_?P??_ r -cell $_SDFF_?P?_ r -cell $_SDFFE_?P??_ r -cell $_DLATCH_?_ x");
+ std::string dfflegalize_args = " -cell $_DFF_?_ 01 -cell $_DFF_?P?_ r -cell $_SDFF_?P?_ r";
+ if (help_mode) {
+ dfflegalize_args += " [-cell $_DFFE_??_ 01 -cell $_DFFE_?P??_ r -cell $_SDFFE_?P??_ r]";
+ } else if (!nodffe) {
+ dfflegalize_args += " -cell $_DFFE_??_ 01 -cell $_DFFE_?P??_ r -cell $_SDFFE_?P??_ r";
+ }
+ dfflegalize_args += " -cell $_DLATCH_?_ x";
+ if (help_mode) {
+ dfflegalize_args += " [-cell $_DFFSR_?PP_ x]";
+ } else if (asyncprld) {
+ dfflegalize_args += " -cell $_DFFSR_?PP_ x";
+ }
+ run("dfflegalize" + dfflegalize_args, "($_DFFSR_*_ only if -asyncprld, $_*DFFE_* only if not -nodffe)");
if ((abc9 && dff) || help_mode)
run("zinit -all w:* t:$_DFF_?_ t:$_DFFE_??_ t:$_SDFF*", "(only if -abc9 and -dff");
run(stringf("techmap -D NO_LUT %s -map +/ecp5/cells_map.v", help_mode ? "[-D ASYNC_PRLD]" : (asyncprld ? "-D ASYNC_PRLD" : "")));
diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc
index d7b11d431..4d1e968ae 100644
--- a/techlibs/gowin/synth_gowin.cc
+++ b/techlibs/gowin/synth_gowin.cc
@@ -219,11 +219,11 @@ struct SynthGowinPass : public ScriptPass
if (check_label("map_ffs"))
{
- run("dff2dffs -match-init");
run("opt_clean");
- if (!nodffe)
- run("dff2dffe -direct-match $_DFF_* -direct-match $_SDFF_*");
- run("dfflegalize -cell $_DFF_?_ 0 -cell $_DFFE_?P_ 0 -cell $_SDFF_?P?_ r -cell $_SDFFE_?P?P_ r -cell $_DFF_?P?_ r -cell $_DFFE_?P?P_ r");
+ if (nodffe)
+ run("dfflegalize -cell $_DFF_?_ 0 -cell $_SDFF_?P?_ r -cell $_DFF_?P?_ r");
+ else
+ run("dfflegalize -cell $_DFF_?_ 0 -cell $_DFFE_?P_ 0 -cell $_SDFF_?P?_ r -cell $_SDFFE_?P?P_ r -cell $_DFF_?P?_ r -cell $_DFFE_?P?P_ r");
run("techmap -map +/gowin/cells_map.v");
run("opt_expr -mux_undef");
run("simplemap");
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc
index ae6d3539c..b945889fe 100644
--- a/techlibs/ice40/synth_ice40.cc
+++ b/techlibs/ice40/synth_ice40.cc
@@ -292,11 +292,9 @@ struct SynthIce40Pass : public ScriptPass
run("opt_expr");
run("opt_clean");
run("check");
- run("opt");
+ run("opt -nodffe -nosdff");
run("fsm");
run("opt");
- run("opt_dff");
- run("opt");
run("wreduce");
run("peepopt");
run("opt_clean");
diff --git a/techlibs/intel/synth_intel.cc b/techlibs/intel/synth_intel.cc
index 1fa98d098..090237722 100644
--- a/techlibs/intel/synth_intel.cc
+++ b/techlibs/intel/synth_intel.cc
@@ -202,8 +202,6 @@ struct SynthIntelPass : public ScriptPass {
run("opt -fast -mux_undef -undriven -fine -full");
run("memory_map");
run("opt -undriven -fine");
- run("dff2dffe -direct-match $_DFF_*");
- run("opt -fine");
run("techmap -map +/techmap.v");
run("opt -full");
run("clean -purge");
diff --git a/techlibs/intel_alm/common/dsp_sim.v b/techlibs/intel_alm/common/dsp_sim.v
index 7e72dab0d..45fdebb3f 100644
--- a/techlibs/intel_alm/common/dsp_sim.v
+++ b/techlibs/intel_alm/common/dsp_sim.v
@@ -1,5 +1,5 @@
(* abc9_box *)
-module MISTRAL_MUL27x27(input [26:0] A, input [26:0] B, output [53:0] Y);
+module MISTRAL_MUL27X27(input [26:0] A, input [26:0] B, output [53:0] Y);
// TODO: Cyclone 10 GX timings; the below are for Cyclone V
specify
diff --git a/techlibs/intel_alm/common/megafunction_bb.v b/techlibs/intel_alm/common/megafunction_bb.v
index 820b0430e..530e44054 100644
--- a/techlibs/intel_alm/common/megafunction_bb.v
+++ b/techlibs/intel_alm/common/megafunction_bb.v
@@ -2,6 +2,306 @@
`default_nettype none
(* blackbox *)
+module altera_pll
+#(
+ parameter reference_clock_frequency = "0 ps",
+ parameter fractional_vco_multiplier = "false",
+ parameter pll_type = "General",
+ parameter pll_subtype = "General",
+ parameter number_of_clocks = 1,
+ parameter operation_mode = "internal feedback",
+ parameter deserialization_factor = 4,
+ parameter data_rate = 0,
+
+ parameter sim_additional_refclk_cycles_to_lock = 0,
+ parameter output_clock_frequency0 = "0 ps",
+ parameter phase_shift0 = "0 ps",
+ parameter duty_cycle0 = 50,
+
+ parameter output_clock_frequency1 = "0 ps",
+ parameter phase_shift1 = "0 ps",
+ parameter duty_cycle1 = 50,
+
+ parameter output_clock_frequency2 = "0 ps",
+ parameter phase_shift2 = "0 ps",
+ parameter duty_cycle2 = 50,
+
+ parameter output_clock_frequency3 = "0 ps",
+ parameter phase_shift3 = "0 ps",
+ parameter duty_cycle3 = 50,
+
+ parameter output_clock_frequency4 = "0 ps",
+ parameter phase_shift4 = "0 ps",
+ parameter duty_cycle4 = 50,
+
+ parameter output_clock_frequency5 = "0 ps",
+ parameter phase_shift5 = "0 ps",
+ parameter duty_cycle5 = 50,
+
+ parameter output_clock_frequency6 = "0 ps",
+ parameter phase_shift6 = "0 ps",
+ parameter duty_cycle6 = 50,
+
+ parameter output_clock_frequency7 = "0 ps",
+ parameter phase_shift7 = "0 ps",
+ parameter duty_cycle7 = 50,
+
+ parameter output_clock_frequency8 = "0 ps",
+ parameter phase_shift8 = "0 ps",
+ parameter duty_cycle8 = 50,
+
+ parameter output_clock_frequency9 = "0 ps",
+ parameter phase_shift9 = "0 ps",
+ parameter duty_cycle9 = 50,
+
+
+ parameter output_clock_frequency10 = "0 ps",
+ parameter phase_shift10 = "0 ps",
+ parameter duty_cycle10 = 50,
+
+ parameter output_clock_frequency11 = "0 ps",
+ parameter phase_shift11 = "0 ps",
+ parameter duty_cycle11 = 50,
+
+ parameter output_clock_frequency12 = "0 ps",
+ parameter phase_shift12 = "0 ps",
+ parameter duty_cycle12 = 50,
+
+ parameter output_clock_frequency13 = "0 ps",
+ parameter phase_shift13 = "0 ps",
+ parameter duty_cycle13 = 50,
+
+ parameter output_clock_frequency14 = "0 ps",
+ parameter phase_shift14 = "0 ps",
+ parameter duty_cycle14 = 50,
+
+ parameter output_clock_frequency15 = "0 ps",
+ parameter phase_shift15 = "0 ps",
+ parameter duty_cycle15 = 50,
+
+ parameter output_clock_frequency16 = "0 ps",
+ parameter phase_shift16 = "0 ps",
+ parameter duty_cycle16 = 50,
+
+ parameter output_clock_frequency17 = "0 ps",
+ parameter phase_shift17 = "0 ps",
+ parameter duty_cycle17 = 50,
+
+ parameter clock_name_0 = "",
+ parameter clock_name_1 = "",
+ parameter clock_name_2 = "",
+ parameter clock_name_3 = "",
+ parameter clock_name_4 = "",
+ parameter clock_name_5 = "",
+ parameter clock_name_6 = "",
+ parameter clock_name_7 = "",
+ parameter clock_name_8 = "",
+
+ parameter clock_name_global_0 = "false",
+ parameter clock_name_global_1 = "false",
+ parameter clock_name_global_2 = "false",
+ parameter clock_name_global_3 = "false",
+ parameter clock_name_global_4 = "false",
+ parameter clock_name_global_5 = "false",
+ parameter clock_name_global_6 = "false",
+ parameter clock_name_global_7 = "false",
+ parameter clock_name_global_8 = "false",
+
+ parameter m_cnt_hi_div = 1,
+ parameter m_cnt_lo_div = 1,
+ parameter m_cnt_bypass_en = "false",
+ parameter m_cnt_odd_div_duty_en = "false",
+ parameter n_cnt_hi_div = 1,
+ parameter n_cnt_lo_div = 1,
+ parameter n_cnt_bypass_en = "false",
+ parameter n_cnt_odd_div_duty_en = "false",
+ parameter c_cnt_hi_div0 = 1,
+ parameter c_cnt_lo_div0 = 1,
+ parameter c_cnt_bypass_en0 = "false",
+ parameter c_cnt_in_src0 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en0 = "false",
+ parameter c_cnt_prst0 = 1,
+ parameter c_cnt_ph_mux_prst0 = 0,
+ parameter c_cnt_hi_div1 = 1,
+ parameter c_cnt_lo_div1 = 1,
+ parameter c_cnt_bypass_en1 = "false",
+ parameter c_cnt_in_src1 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en1 = "false",
+ parameter c_cnt_prst1 = 1,
+ parameter c_cnt_ph_mux_prst1 = 0,
+ parameter c_cnt_hi_div2 = 1,
+ parameter c_cnt_lo_div2 = 1,
+ parameter c_cnt_bypass_en2 = "false",
+ parameter c_cnt_in_src2 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en2 = "false",
+ parameter c_cnt_prst2 = 1,
+ parameter c_cnt_ph_mux_prst2 = 0,
+ parameter c_cnt_hi_div3 = 1,
+ parameter c_cnt_lo_div3 = 1,
+ parameter c_cnt_bypass_en3 = "false",
+ parameter c_cnt_in_src3 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en3 = "false",
+ parameter c_cnt_prst3 = 1,
+ parameter c_cnt_ph_mux_prst3 = 0,
+ parameter c_cnt_hi_div4 = 1,
+ parameter c_cnt_lo_div4 = 1,
+ parameter c_cnt_bypass_en4 = "false",
+ parameter c_cnt_in_src4 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en4 = "false",
+ parameter c_cnt_prst4 = 1,
+ parameter c_cnt_ph_mux_prst4 = 0,
+ parameter c_cnt_hi_div5 = 1,
+ parameter c_cnt_lo_div5 = 1,
+ parameter c_cnt_bypass_en5 = "false",
+ parameter c_cnt_in_src5 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en5 = "false",
+ parameter c_cnt_prst5 = 1,
+ parameter c_cnt_ph_mux_prst5 = 0,
+ parameter c_cnt_hi_div6 = 1,
+ parameter c_cnt_lo_div6 = 1,
+ parameter c_cnt_bypass_en6 = "false",
+ parameter c_cnt_in_src6 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en6 = "false",
+ parameter c_cnt_prst6 = 1,
+ parameter c_cnt_ph_mux_prst6 = 0,
+ parameter c_cnt_hi_div7 = 1,
+ parameter c_cnt_lo_div7 = 1,
+ parameter c_cnt_bypass_en7 = "false",
+ parameter c_cnt_in_src7 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en7 = "false",
+ parameter c_cnt_prst7 = 1,
+ parameter c_cnt_ph_mux_prst7 = 0,
+ parameter c_cnt_hi_div8 = 1,
+ parameter c_cnt_lo_div8 = 1,
+ parameter c_cnt_bypass_en8 = "false",
+ parameter c_cnt_in_src8 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en8 = "false",
+ parameter c_cnt_prst8 = 1,
+ parameter c_cnt_ph_mux_prst8 = 0,
+ parameter c_cnt_hi_div9 = 1,
+ parameter c_cnt_lo_div9 = 1,
+ parameter c_cnt_bypass_en9 = "false",
+ parameter c_cnt_in_src9 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en9 = "false",
+ parameter c_cnt_prst9 = 1,
+ parameter c_cnt_ph_mux_prst9 = 0,
+ parameter c_cnt_hi_div10 = 1,
+ parameter c_cnt_lo_div10 = 1,
+ parameter c_cnt_bypass_en10 = "false",
+ parameter c_cnt_in_src10 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en10 = "false",
+ parameter c_cnt_prst10 = 1,
+ parameter c_cnt_ph_mux_prst10 = 0,
+ parameter c_cnt_hi_div11 = 1,
+ parameter c_cnt_lo_div11 = 1,
+ parameter c_cnt_bypass_en11 = "false",
+ parameter c_cnt_in_src11 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en11 = "false",
+ parameter c_cnt_prst11 = 1,
+ parameter c_cnt_ph_mux_prst11 = 0,
+ parameter c_cnt_hi_div12 = 1,
+ parameter c_cnt_lo_div12 = 1,
+ parameter c_cnt_bypass_en12 = "false",
+ parameter c_cnt_in_src12 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en12 = "false",
+ parameter c_cnt_prst12 = 1,
+ parameter c_cnt_ph_mux_prst12 = 0,
+ parameter c_cnt_hi_div13 = 1,
+ parameter c_cnt_lo_div13 = 1,
+ parameter c_cnt_bypass_en13 = "false",
+ parameter c_cnt_in_src13 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en13 = "false",
+ parameter c_cnt_prst13 = 1,
+ parameter c_cnt_ph_mux_prst13 = 0,
+ parameter c_cnt_hi_div14 = 1,
+ parameter c_cnt_lo_div14 = 1,
+ parameter c_cnt_bypass_en14 = "false",
+ parameter c_cnt_in_src14 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en14 = "false",
+ parameter c_cnt_prst14 = 1,
+ parameter c_cnt_ph_mux_prst14 = 0,
+ parameter c_cnt_hi_div15 = 1,
+ parameter c_cnt_lo_div15 = 1,
+ parameter c_cnt_bypass_en15 = "false",
+ parameter c_cnt_in_src15 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en15 = "false",
+ parameter c_cnt_prst15 = 1,
+ parameter c_cnt_ph_mux_prst15 = 0,
+ parameter c_cnt_hi_div16 = 1,
+ parameter c_cnt_lo_div16 = 1,
+ parameter c_cnt_bypass_en16 = "false",
+ parameter c_cnt_in_src16 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en16 = "false",
+ parameter c_cnt_prst16 = 1,
+ parameter c_cnt_ph_mux_prst16 = 0,
+ parameter c_cnt_hi_div17 = 1,
+ parameter c_cnt_lo_div17 = 1,
+ parameter c_cnt_bypass_en17 = "false",
+ parameter c_cnt_in_src17 = "ph_mux_clk",
+ parameter c_cnt_odd_div_duty_en17 = "false",
+ parameter c_cnt_prst17 = 1,
+ parameter c_cnt_ph_mux_prst17 = 0,
+ parameter pll_vco_div = 1,
+ parameter pll_slf_rst = "false",
+ parameter pll_bw_sel = "low",
+ parameter pll_output_clk_frequency = "0 MHz",
+ parameter pll_cp_current = 0,
+ parameter pll_bwctrl = 0,
+ parameter pll_fractional_division = 1,
+ parameter pll_fractional_cout = 24,
+ parameter pll_dsm_out_sel = "1st_order",
+ parameter mimic_fbclk_type = "gclk",
+ parameter pll_fbclk_mux_1 = "glb",
+ parameter pll_fbclk_mux_2 = "fb_1",
+ parameter pll_m_cnt_in_src = "ph_mux_clk",
+ parameter pll_vcoph_div = 1,
+ parameter refclk1_frequency = "0 MHz",
+ parameter pll_clkin_0_src = "clk_0",
+ parameter pll_clkin_1_src = "clk_0",
+ parameter pll_clk_loss_sw_en = "false",
+ parameter pll_auto_clk_sw_en = "false",
+ parameter pll_manu_clk_sw_en = "false",
+ parameter pll_clk_sw_dly = 0,
+ parameter pll_extclk_0_cnt_src = "pll_extclk_cnt_src_vss",
+ parameter pll_extclk_1_cnt_src = "pll_extclk_cnt_src_vss"
+) (
+ //input
+ input refclk,
+ input refclk1,
+ input fbclk,
+ input rst,
+ input phase_en,
+ input updn,
+ input [2:0] num_phase_shifts,
+ input scanclk,
+ input [4:0] cntsel,
+ input [63:0] reconfig_to_pll,
+ input extswitch,
+ input adjpllin,
+ input cclk,
+
+ //output
+ output [ number_of_clocks -1 : 0] outclk,
+ output fboutclk,
+ output locked,
+ output phase_done,
+ output [63:0] reconfig_from_pll,
+ output activeclk,
+ output [1:0] clkbad,
+ output [7:0] phout,
+ output [1:0] lvds_clk,
+ output [1:0] loaden,
+ output [1:0] extclk_out,
+ output [ number_of_clocks -1 : 0] cascade_out,
+
+ //inout
+ inout zdbfbclk
+);
+
+endmodule
+
+
+(* blackbox *)
module altera_std_synchronizer(clk, din, dout, reset_n);
parameter depth = 2;
@@ -14,6 +314,137 @@ output dout;
endmodule
(* blackbox *)
+module altddio_in (
+ datain, // required port, DDR input data
+ inclock, // required port, input reference clock to sample data by
+ inclocken, // enable data clock
+ aset, // asynchronous set
+ aclr, // asynchronous clear
+ sset, // synchronous set
+ sclr, // synchronous clear
+ dataout_h, // data sampled at the rising edge of inclock
+ dataout_l // data sampled at the falling edge of inclock
+);
+
+parameter width = 1;
+parameter power_up_high = "OFF";
+parameter invert_input_clocks = "OFF";
+parameter intended_device_family = "Stratix";
+parameter lpm_type = "altddio_in";
+parameter lpm_hint = "UNUSED";
+
+input [width-1:0] datain;
+input inclock;
+input inclocken;
+input aset;
+input aclr;
+input sset;
+input sclr;
+
+output [width-1:0] dataout_h;
+output [width-1:0] dataout_l;
+
+endmodule
+
+
+(* blackbox *)
+module altddio_out (
+ datain_h,
+ datain_l,
+ outclock,
+ outclocken,
+ aset,
+ aclr,
+ sset,
+ sclr,
+ oe,
+ dataout,
+ oe_out
+);
+
+parameter width = 1;
+parameter power_up_high = "OFF";
+parameter oe_reg = "UNUSED";
+parameter extend_oe_disable = "UNUSED";
+parameter intended_device_family = "Stratix";
+parameter invert_output = "OFF";
+parameter lpm_type = "altddio_out";
+parameter lpm_hint = "UNUSED";
+
+input [width-1:0] datain_h;
+input [width-1:0] datain_l;
+input outclock;
+input outclocken;
+input aset;
+input aclr;
+input sset;
+input sclr;
+input oe;
+
+output [width-1:0] dataout;
+output [width-1:0] oe_out;
+
+endmodule
+
+
+(* blackbox *)
+module altddio_bidir (
+ datain_h,
+ datain_l,
+ inclock,
+ inclocken,
+ outclock,
+ outclocken,
+ aset,
+ aclr,
+ sset,
+ sclr,
+ oe,
+ dataout_h,
+ dataout_l,
+ combout,
+ oe_out,
+ dqsundelayedout,
+ padio
+);
+
+// GLOBAL PARAMETER DECLARATION
+parameter width = 1; // required parameter
+parameter power_up_high = "OFF";
+parameter oe_reg = "UNUSED";
+parameter extend_oe_disable = "UNUSED";
+parameter implement_input_in_lcell = "UNUSED";
+parameter invert_output = "OFF";
+parameter intended_device_family = "Stratix";
+parameter lpm_type = "altddio_bidir";
+parameter lpm_hint = "UNUSED";
+
+// INPUT PORT DECLARATION
+input [width-1:0] datain_h;
+input [width-1:0] datain_l;
+input inclock;
+input inclocken;
+input outclock;
+input outclocken;
+input aset;
+input aclr;
+input sset;
+input sclr;
+input oe;
+
+// OUTPUT PORT DECLARATION
+output [width-1:0] dataout_h;
+output [width-1:0] dataout_l;
+output [width-1:0] combout;
+output [width-1:0] oe_out;
+output [width-1:0] dqsundelayedout;
+// BIDIRECTIONAL PORT DECLARATION
+inout [width-1:0] padio;
+
+endmodule
+
+
+(* blackbox *)
module altiobuf_in(datain, dataout);
parameter enable_bus_hold = "FALSE";
diff --git a/techlibs/intel_alm/synth_intel_alm.cc b/techlibs/intel_alm/synth_intel_alm.cc
index 9da91361a..83f0768a3 100644
--- a/techlibs/intel_alm/synth_intel_alm.cc
+++ b/techlibs/intel_alm/synth_intel_alm.cc
@@ -200,6 +200,8 @@ struct SynthIntelALMPass : public ScriptPass {
run("opt_expr");
run("opt_clean");
run("check");
+ run("opt -nodffe -nosdff");
+ run("fsm");
run("opt");
run("wreduce");
run("peepopt");
@@ -227,8 +229,6 @@ struct SynthIntelALMPass : public ScriptPass {
run("alumacc");
run("techmap -map +/intel_alm/common/arith_alm_map.v -map +/intel_alm/common/dsp_map.v");
run("opt");
- run("fsm");
- run("opt -fast");
run("memory -nomap");
run("opt_clean");
}
@@ -250,7 +250,6 @@ struct SynthIntelALMPass : public ScriptPass {
if (check_label("map_ffs")) {
run("techmap");
- run("dff2dffe");
run("dfflegalize -cell $_DFFE_PN0P_ 0 -cell $_SDFFCE_PP0P_ 0");
run("techmap -map +/intel_alm/common/dff_map.v");
run("opt -full -undriven -mux_undef");
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index 970196de9..0adec57a2 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -357,11 +357,9 @@ struct SynthXilinxPass : public ScriptPass
run("opt_expr");
run("opt_clean");
run("check");
- run("opt");
+ run("opt -nodffe -nosdff");
run("fsm");
run("opt");
- run("opt_dff");
- run("opt");
if (help_mode)
run("wreduce [-keepdc]", "(option for '-widemux')");
else
diff --git a/tests/arch/anlogic/dffs.ys b/tests/arch/anlogic/dffs.ys
index d3281ab89..deb90e051 100644
--- a/tests/arch/anlogic/dffs.ys
+++ b/tests/arch/anlogic/dffs.ys
@@ -15,6 +15,5 @@ proc
equiv_opt -assert -map +/anlogic/cells_sim.v synth_anlogic # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd dffe # Constrain all select calls below inside the top module
-select -assert-count 1 t:AL_MAP_LUT3
select -assert-count 1 t:AL_MAP_SEQ
-select -assert-none t:AL_MAP_LUT3 t:AL_MAP_SEQ %% t:* %D
+select -assert-none t:AL_MAP_SEQ %% t:* %D
diff --git a/tests/arch/ecp5/fsm.ys b/tests/arch/ecp5/fsm.ys
index ba91e5fc0..a77986bbc 100644
--- a/tests/arch/ecp5/fsm.ys
+++ b/tests/arch/ecp5/fsm.ys
@@ -10,8 +10,8 @@ sat -verify -prove-asserts -show-public -set-at 1 in_reset 1 -seq 20 -prove-skip
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd fsm # Constrain all select calls below inside the top module
-select -assert-count 1 t:L6MUX21
-select -assert-count 15 t:LUT4
-select -assert-count 6 t:PFUMX
+select -assert-max 1 t:L6MUX21
+select -assert-max 16 t:LUT4
+select -assert-max 7 t:PFUMX
select -assert-count 6 t:TRELLIS_FF
select -assert-none t:L6MUX21 t:LUT4 t:PFUMX t:TRELLIS_FF %% t:* %D
diff --git a/tests/arch/efinix/adffs.ys b/tests/arch/efinix/adffs.ys
index 49dc7f256..86d446439 100644
--- a/tests/arch/efinix/adffs.ys
+++ b/tests/arch/efinix/adffs.ys
@@ -32,9 +32,8 @@ design -load postopt # load the post-opt design (otherwise equiv_opt loads the p
cd dffs # Constrain all select calls below inside the top module
select -assert-count 1 t:EFX_FF
select -assert-count 1 t:EFX_GBUFCE
-select -assert-count 1 t:EFX_LUT4
-select -assert-none t:EFX_FF t:EFX_GBUFCE t:EFX_LUT4 %% t:* %D
+select -assert-none t:EFX_FF t:EFX_GBUFCE %% t:* %D
design -load read
@@ -45,6 +44,5 @@ design -load postopt # load the post-opt design (otherwise equiv_opt loads the p
cd ndffnr # Constrain all select calls below inside the top module
select -assert-count 1 t:EFX_FF
select -assert-count 1 t:EFX_GBUFCE
-select -assert-count 1 t:EFX_LUT4
-select -assert-none t:EFX_FF t:EFX_GBUFCE t:EFX_LUT4 %% t:* %D
+select -assert-none t:EFX_FF t:EFX_GBUFCE %% t:* %D
diff --git a/tests/arch/efinix/dffs.ys b/tests/arch/efinix/dffs.ys
index af787ab67..f9111873c 100644
--- a/tests/arch/efinix/dffs.ys
+++ b/tests/arch/efinix/dffs.ys
@@ -19,6 +19,5 @@ design -load postopt # load the post-opt design (otherwise equiv_opt loads the p
cd dffe # Constrain all select calls below inside the top module
select -assert-count 1 t:EFX_FF
select -assert-count 1 t:EFX_GBUFCE
-select -assert-count 1 t:EFX_LUT4
-select -assert-none t:EFX_FF t:EFX_GBUFCE t:EFX_LUT4 %% t:* %D
+select -assert-none t:EFX_FF t:EFX_GBUFCE %% t:* %D
diff --git a/tests/arch/gowin/init.ys b/tests/arch/gowin/init.ys
index 88e88c15a..fba7c2fa5 100644
--- a/tests/arch/gowin/init.ys
+++ b/tests/arch/gowin/init.ys
@@ -45,24 +45,25 @@ flatten
synth_gowin -run coarse:
# check the flops mapped as expected
-select -assert-count 1 t:DFF
+select -assert-count 2 t:DFF
select -assert-count 1 t:DFFC
select -assert-count 1 t:DFFCE
-select -assert-count 1 t:DFFE
-select -assert-count 1 t:DFFN
+select -assert-count 0 t:DFFE
+select -assert-count 2 t:DFFN
select -assert-count 1 t:DFFNC
select -assert-count 1 t:DFFNCE
-select -assert-count 1 t:DFFNE
+select -assert-count 0 t:DFFNE
select -assert-count 1 t:DFFNP
select -assert-count 1 t:DFFNPE
select -assert-count 0 t:DFFNR
select -assert-count 0 t:DFFNRE
-select -assert-count 2 t:DFFNS
-select -assert-count 2 t:DFFNSE
+select -assert-count 3 t:DFFNS
+select -assert-count 1 t:DFFNSE
select -assert-count 1 t:DFFP
select -assert-count 1 t:DFFPE
select -assert-count 0 t:DFFR
select -assert-count 0 t:DFFRE
-select -assert-count 2 t:DFFS
-select -assert-count 2 t:DFFSE
-select -assert-count 12 t:LUT2
+select -assert-count 3 t:DFFS
+select -assert-count 1 t:DFFSE
+select -assert-count 4 t:LUT2
+select -assert-count 4 t:LUT4
diff --git a/tests/arch/intel_alm/adffs.ys b/tests/arch/intel_alm/adffs.ys
index 04fa2ad24..4565dcc64 100644
--- a/tests/arch/intel_alm/adffs.ys
+++ b/tests/arch/intel_alm/adffs.ys
@@ -77,10 +77,9 @@ equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd ndffnr # Constrain all select calls below inside the top module
select -assert-count 1 t:MISTRAL_FF
-select -assert-count 1 t:MISTRAL_NOT
-select -assert-count 1 t:MISTRAL_ALUT2
+select -assert-count 2 t:MISTRAL_NOT
-select -assert-none t:MISTRAL_FF t:MISTRAL_NOT t:MISTRAL_ALUT2 %% t:* %D
+select -assert-none t:MISTRAL_FF t:MISTRAL_NOT %% t:* %D
design -load read
@@ -90,7 +89,6 @@ equiv_opt -async2sync -assert -map +/intel_alm/common/alm_sim.v -map +/intel_alm
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd ndffnr # Constrain all select calls below inside the top module
select -assert-count 1 t:MISTRAL_FF
-select -assert-count 1 t:MISTRAL_NOT
-select -assert-count 1 t:MISTRAL_ALUT2
+select -assert-count 2 t:MISTRAL_NOT
-select -assert-none t:MISTRAL_FF t:MISTRAL_NOT t:MISTRAL_ALUT2 %% t:* %D
+select -assert-none t:MISTRAL_FF t:MISTRAL_NOT %% t:* %D
diff --git a/tests/arch/intel_alm/fsm.ys b/tests/arch/intel_alm/fsm.ys
index 6491b2e08..e54b5c21e 100644
--- a/tests/arch/intel_alm/fsm.ys
+++ b/tests/arch/intel_alm/fsm.ys
@@ -12,12 +12,13 @@ design -load postopt # load the post-opt design (otherwise equiv_opt loads the p
cd fsm # Constrain all select calls below inside the top module
select -assert-count 6 t:MISTRAL_FF
+select -assert-max 1 t:MISTRAL_NOT
select -assert-max 2 t:MISTRAL_ALUT2 # Clang returns 2, GCC returns 1
-select -assert-count 1 t:MISTRAL_ALUT3
-select -assert-max 1 t:MISTRAL_ALUT4 # Clang returns 0, GCC returns 1
+select -assert-max 1 t:MISTRAL_ALUT3
+select -assert-max 2 t:MISTRAL_ALUT4 # Clang returns 0, GCC returns 1
select -assert-max 6 t:MISTRAL_ALUT5 # Clang returns 5, GCC returns 4
select -assert-max 2 t:MISTRAL_ALUT6 # Clang returns 1, GCC returns 2
-select -assert-none t:MISTRAL_FF t:MISTRAL_ALUT2 t:MISTRAL_ALUT3 t:MISTRAL_ALUT4 t:MISTRAL_ALUT5 t:MISTRAL_ALUT6 %% t:* %D
+select -assert-none t:MISTRAL_FF t:MISTRAL_NOT t:MISTRAL_ALUT2 t:MISTRAL_ALUT3 t:MISTRAL_ALUT4 t:MISTRAL_ALUT5 t:MISTRAL_ALUT6 %% t:* %D
design -reset
read_verilog ../common/fsm.v
@@ -34,9 +35,10 @@ design -load postopt # load the post-opt design (otherwise equiv_opt loads the p
cd fsm # Constrain all select calls below inside the top module
select -assert-count 6 t:MISTRAL_FF
+select -assert-max 1 t:MISTRAL_NOT
select -assert-max 2 t:MISTRAL_ALUT2 # Clang returns 2, GCC returns 1
select -assert-max 2 t:MISTRAL_ALUT3 # Clang returns 2, GCC returns 1
-select -assert-max 1 t:MISTRAL_ALUT4 # Clang returns 0, GCC returns 1
+select -assert-max 2 t:MISTRAL_ALUT4 # Clang returns 0, GCC returns 1
select -assert-max 6 t:MISTRAL_ALUT5 # Clang returns 5, GCC returns 4
select -assert-max 2 t:MISTRAL_ALUT6 # Clang returns 1, GCC returns 2
-select -assert-none t:MISTRAL_FF t:MISTRAL_ALUT2 t:MISTRAL_ALUT3 t:MISTRAL_ALUT4 t:MISTRAL_ALUT5 t:MISTRAL_ALUT6 %% t:* %D
+select -assert-none t:MISTRAL_FF t:MISTRAL_NOT t:MISTRAL_ALUT2 t:MISTRAL_ALUT3 t:MISTRAL_ALUT4 t:MISTRAL_ALUT5 t:MISTRAL_ALUT6 %% t:* %D
diff --git a/tests/tools/autotest.sh b/tests/tools/autotest.sh
index 4d3478628..72a3d51eb 100755
--- a/tests/tools/autotest.sh
+++ b/tests/tools/autotest.sh
@@ -193,13 +193,13 @@ do
elif [ "$frontend" = "verific_gates" ]; then
test_passes -p "verific -vlog2k ${bn}_ref.${refext}; verific -import -gates -all; opt; memory;;"
else
- test_passes -f "$frontend $include_opts" -p "hierarchy; proc; opt; memory; opt; fsm; opt -full -fine" ${bn}_ref.${refext}
+ test_passes -f "$frontend $include_opts" -p "hierarchy; proc; opt -nodffe -nosdff; fsm; opt; memory; opt -full -fine" ${bn}_ref.${refext}
test_passes -f "$frontend $include_opts" -p "hierarchy; synth -run coarse; techmap; opt; abc -dff" ${bn}_ref.${refext}
if [ -n "$firrtl2verilog" ]; then
if test -z "$xfirrtl" || ! grep "$fn" "$xfirrtl" ; then
- "$toolsdir"/../../yosys -b "firrtl" -o ${bn}_ref.fir -f "$frontend $include_opts" -p "prep -nordff; proc; opt; memory; opt; fsm; opt -full -fine; pmuxtree" ${bn}_ref.${refext}
+ "$toolsdir"/../../yosys -b "firrtl" -o ${bn}_ref.fir -f "$frontend $include_opts" -p "prep -nordff; proc; opt -nodffe -nosdff; fsm; opt; memory; opt -full -fine; pmuxtree" ${bn}_ref.${refext}
$firrtl2verilog -i ${bn}_ref.fir -o ${bn}_ref.fir.v
- test_passes -f "$frontend $include_opts" -p "hierarchy; proc; opt; memory; opt; fsm; opt -full -fine" ${bn}_ref.fir.v
+ test_passes -f "$frontend $include_opts" -p "hierarchy; proc; opt -nodffe -nosdff; fsm; opt; memory; opt -full -fine" ${bn}_ref.fir.v
fi
fi
fi
diff --git a/tests/various/const_func.v b/tests/various/const_func.v
index 76cdc385d..541e63b19 100644
--- a/tests/various/const_func.v
+++ b/tests/various/const_func.v
@@ -53,6 +53,15 @@ module top(out);
c1, c2, c3, c4,
d1, d2, d3, d4};
+ function signed [31:0] negate;
+ input integer inp;
+ negate = ~inp;
+ endfunction
+ parameter W = 10;
+ parameter X = 3;
+ localparam signed Y = $floor(W / X);
+ localparam signed Z = negate($floor(W / X));
+
// `define VERIFY
`ifdef VERIFY
assert property (a1 == 0);
@@ -71,5 +80,8 @@ module top(out);
assert property (d2 == 0);
assert property (d3 == 1);
assert property (d4 == 1);
+
+ assert property (Y == 3);
+ assert property (Z == ~3);
`endif
endmodule
diff --git a/tests/various/const_func_block_var.v b/tests/various/const_func_block_var.v
new file mode 100644
index 000000000..98e83aa5b
--- /dev/null
+++ b/tests/various/const_func_block_var.v
@@ -0,0 +1,23 @@
+module top(out);
+ function integer operation;
+ input integer num;
+ begin
+ operation = 0;
+ begin : op_i
+ integer i;
+ for (i = 0; i < 2; i = i + 1)
+ begin : op_j
+ integer j;
+ for (j = i; j < i * 2; j = j + 1)
+ num = num + 1;
+ end
+ num = num * 2;
+ end
+ operation = num;
+ end
+ endfunction
+
+ localparam res = operation(4);
+ output wire [31:0] out;
+ assign out = res;
+endmodule
diff --git a/tests/various/const_func_block_var.ys b/tests/various/const_func_block_var.ys
new file mode 100644
index 000000000..7c2e85c64
--- /dev/null
+++ b/tests/various/const_func_block_var.ys
@@ -0,0 +1 @@
+read_verilog const_func_block_var.v