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Link signals that are source of procedural continuous assign.

This commit is contained in:
steve 2005-05-01 22:04:12 +00:00
parent 99aff5f10b
commit df271c9fa3
1 changed files with 24 additions and 7 deletions
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31
tgt-vvp/vvp_process.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001-2004 Stephen Williams (steve@icarus.com)
* Copyright (c) 2001-2005 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: vvp_process.c,v 1.105 2005/03/22 05:18:34 steve Exp $"
#ident "$Id: vvp_process.c,v 1.106 2005/05/01 22:04:12 steve Exp $"
#endif
# include "vvp_priv.h"
@ -804,11 +804,25 @@ static int show_stmt_cassign(ivl_statement_t net)
the expression value to the l-value. */
force_vector_to_lval(net, rvec);
/* FIXME: The above, left as is, assumes that the expression
is a constant value to be assigned to the target. If it is
not, then we will need to generate a thread or netlist to
deal with the expression and repetitively assign to the
target. */
/* If the r-value expression is not a signal, then this
expression is apparently just to be continuous-assigned as
a constant value. */
if (ivl_expr_type(rval) != IVL_EX_SIGNAL)
return 0;
{
ivl_signal_t rsig = ivl_expr_signal(rval);
ivl_lval_t lval;
ivl_signal_t lsig;
assert(ivl_stmt_lvals(net) == 1);
lval = ivl_stmt_lval(net, 0);
lsig = ivl_lval_sig(lval);
fprintf(vvp_out, " %%cassign/link");
fprintf(vvp_out, " V_%s", vvp_signal_label(lsig));
fprintf(vvp_out, ", V_%s;\n", vvp_signal_label(rsig));
}
return 0;
}
@ -1468,6 +1482,9 @@ int draw_func_definition(ivl_scope_t scope)
/*
* $Log: vvp_process.c,v $
* Revision 1.106 2005/05/01 22:04:12 steve
* Link signals that are source of procedural continuous assign.
*
* Revision 1.105 2005/03/22 05:18:34 steve
* The indexed set can write a vector, not just a bit.
*