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Add support for structural multiply in t-dll.

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Add code generators and vvp support for both
 structural and behavioral multiply.
This commit is contained in:
steve
2001-06-16 23:45:05 +00:00
parent 63a02d1c0a
commit 4b82d26f5e
19 changed files with 344 additions and 41 deletions
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tgt-vvp/eval_expr.c
+14 -4
View File
@@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: eval_expr.c,v 1.29 2001/05/24 04:20:10 steve Exp $"
#ident "$Id: eval_expr.c,v 1.30 2001/06/16 23:45:05 steve Exp $"
#endif
# include "vvp_priv.h"
@@ -518,12 +518,12 @@ static struct vector_info draw_binary_expr_arith(ivl_expr_t exp, unsigned wid)
struct vector_info lv;
struct vector_info rv;
assert(ivl_expr_width(le) == wid);
assert(ivl_expr_width(re) == wid);
lv = draw_eval_expr_wid(le, wid);
rv = draw_eval_expr_wid(re, wid);
assert(lv.wid == wid);
assert(rv.wid == wid);
switch (ivl_expr_opcode(exp)) {
case '+':
fprintf(vvp_out, " %%add %u, %u, %u;\n", lv.base, rv.base, wid);
@@ -533,6 +533,10 @@ static struct vector_info draw_binary_expr_arith(ivl_expr_t exp, unsigned wid)
fprintf(vvp_out, " %%sub %u, %u, %u;\n", lv.base, rv.base, wid);
break;
case '*':
fprintf(vvp_out, " %%mul %u, %u, %u;\n", lv.base, rv.base, wid);
break;
case '%':
fprintf(vvp_out, " %%mod %u, %u, %u;\n", lv.base, rv.base, wid);
break;
@@ -572,6 +576,7 @@ static struct vector_info draw_binary_expr(ivl_expr_t exp, unsigned wid)
case '+':
case '-':
case '*':
case '%':
rv = draw_binary_expr_arith(exp, wid);
break;
@@ -1043,6 +1048,11 @@ struct vector_info draw_eval_expr(ivl_expr_t exp)
/*
* $Log: eval_expr.c,v $
* Revision 1.30 2001/06/16 23:45:05 steve
* Add support for structural multiply in t-dll.
* Add code generators and vvp support for both
* structural and behavioral multiply.
*
* Revision 1.29 2001/05/24 04:20:10 steve
* Add behavioral modulus.
*
tgt-vvp/vvp_scope.c
+14 -1
View File
@@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT)
#ident "$Id: vvp_scope.c,v 1.33 2001/06/16 02:41:42 steve Exp $"
#ident "$Id: vvp_scope.c,v 1.34 2001/06/16 23:45:05 steve Exp $"
#endif
# include "vvp_priv.h"
@@ -118,6 +118,7 @@ static const char* draw_net_input_drive(ivl_nexus_t nex, ivl_nexus_ptr_t nptr)
case IVL_LPM_RAM:
case IVL_LPM_ADD:
case IVL_LPM_SUB:
case IVL_LPM_MULT:
for (idx = 0 ; idx < ivl_lpm_width(lpm) ; idx += 1)
if (ivl_lpm_q(lpm, idx) == nex) {
sprintf(result, "L_%s[%u]",
@@ -138,7 +139,10 @@ static const char* draw_net_input_drive(ivl_nexus_t nex, ivl_nexus_ptr_t nptr)
}
fprintf(stderr, "internal error: no input to nexus %s\n",
ivl_nexus_name(nex));
assert(0);
return "C<z>";
}
static const char* draw_net_input(ivl_nexus_t nex)
@@ -706,6 +710,9 @@ static void draw_lpm_add(ivl_lpm_t net)
case IVL_LPM_SUB:
type = "sub";
break;
case IVL_LPM_MULT:
type = "mult";
break;
default:
assert(0);
}
@@ -779,6 +786,7 @@ static void draw_lpm_in_scope(ivl_lpm_t net)
case IVL_LPM_ADD:
case IVL_LPM_SUB:
case IVL_LPM_MULT:
draw_lpm_add(net);
return;
@@ -876,6 +884,11 @@ int draw_scope(ivl_scope_t net, ivl_scope_t parent)
/*
* $Log: vvp_scope.c,v $
* Revision 1.34 2001/06/16 23:45:05 steve
* Add support for structural multiply in t-dll.
* Add code generators and vvp support for both
* structural and behavioral multiply.
*
* Revision 1.33 2001/06/16 02:41:42 steve
* Generate code to support memory access in continuous
* assignment statements. (Stephan Boettcher)