Merge branch 'master' of ssh://steve-icarus@icarus.com/~steve-icarus/git/verilog

elab_net.cc

@@ -1794,8 +1794,32 @@ NetNet* PEIdent::elaborate_net(Design*des, NetScope*scope,
 	   that connects to a signal with the correct name. */
       if (par != 0) {
 
+	      // Detect and handle the special case that we have a
+	      // real valued parameter. Return a NetLiteral and a
+	      // properly typed net.
+	    if (const NetECReal*pc = dynamic_cast<const NetECReal*>(par)) {
+		  NetLiteral*tmp = new NetLiteral(scope, scope->local_symbol(),
+						  pc->value());
+		  des->add_node(tmp);
+		  tmp->set_line(*par);
+		  sig = new NetNet(scope, scope->local_symbol(),
+				   NetNet::IMPLICIT);
+		  sig->set_line(*tmp);
+		  sig->data_type(tmp->data_type());
+		  sig->local_flag(true);
+
+		  connect(tmp->pin(0), sig->pin(0));
+		  return sig;
+	    }
+
 	    const NetEConst*pc = dynamic_cast<const NetEConst*>(par);
-	    assert(pc);
+	    if (pc == 0) {
+		  cerr << get_fileline() << ": internal error: "
+		       << "Non-consant parameter value?: " << *par << endl;
+		  cerr << get_fileline() << ":               : "
+		       << "Expression type is " << par->expr_type() << endl;
+	    }
+	    ivl_assert(*this, pc);
 	    verinum pvalue = pc->value();
 
 	      /* If the parameter has declared dimensions, then apply

netlist.cc

@@ -1505,6 +1505,11 @@ NetLiteral::~NetLiteral()
 {
 }
 
+ivl_variable_type_t NetLiteral::data_type() const
+{
+      return IVL_VT_REAL;
+}
+
 const verireal& NetLiteral::value_real() const
 {
       return real_;

scripts/CREATE_VERSION.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# This script manually creates a version.h file.
+#
+# It is used when creating a MinGW executable from a Cygwin
+# hosted git repository. It assumes that git is available.
+#
+#    sh scripts/CREATE_VERSION.sh
+#
+
+echo "Building verion.h with git describe"
+tmp=`git describe | sed -e 's;\(.*\);#define VERSION_TAG "\1";'`
+echo "$tmp" > version.h

tgt-stub/expression.c

@@ -178,6 +178,11 @@ void show_unary_expression(ivl_expr_t net, unsigned ind)
 	    break;
       }
 
+      if (ivl_expr_opcode(net) == '!' && ivl_expr_type(net)==IVL_VT_REAL) {
+	    fprintf(out, "%*sERROR: Real argument to unary ! !?\n", ind,"");
+	    stub_errors += 1;
+      }
+
       fprintf(out, "%*s<unary \"%s\" width=%u, %s, type=%s>\n", ind, "",
 	      name, width, sign, vt);
       show_expression(ivl_expr_oper1(net), ind+4);

tgt-vvp/eval_real.c

@@ -441,7 +441,22 @@ static int draw_unary_real(ivl_expr_t exp)
 	    return res;
       }
 
+      if (ivl_expr_opcode(exp) == '!') {
+	    struct vector_info vi;
+	    vi = draw_eval_expr(exp, STUFF_OK_XZ);
+	    int res = allocate_word();
+	    const char*sign_flag = ivl_expr_signed(exp)? "/s" : "";
+	    fprintf(vvp_out, "    %%ix/get%s %d, %u, %u;\n",
+		    sign_flag, res, vi.base, vi.wid);
+
+	    fprintf(vvp_out, "    %%cvt/ri %d, %d;\n", res, res);
+
+	    clr_vector(vi);
+	    return res;
+      }
+
       ivl_expr_t sube = ivl_expr_oper1(exp);
+
       int sub = draw_eval_real(sube);
 
       if (ivl_expr_opcode(exp) == '+')
@@ -461,8 +476,8 @@ static int draw_unary_real(ivl_expr_t exp)
 	    return sub;
       }
 
-      fprintf(vvp_out, "; XXXX unary (%c)\n", ivl_expr_opcode(exp));
-      fprintf(stderr, "XXXX evaluate unary (%c)\n", ivl_expr_opcode(exp));
+      fprintf(vvp_out, "; XXXX unary (%c) on sube in %d\n", ivl_expr_opcode(exp), sub);
+      fprintf(stderr, "XXXX evaluate unary (%c) on sube in %d\n", ivl_expr_opcode(exp), sub);
       return 0;
 }