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Add 4 wide identity compare.

This commit is contained in:
steve 2001-09-10 03:48:34 +00:00
parent 4507351d48
commit 167f94bdbf
1 changed files with 65 additions and 1 deletions
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66
tgt-fpga/d-virtex.c
View File

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ident "$Id: d-virtex.c,v 1.2 2001/09/09 22:23:28 steve Exp $"
#ident "$Id: d-virtex.c,v 1.3 2001/09/10 03:48:34 steve Exp $"
# include "device.h"
# include "fpga_priv.h"
@ -362,6 +362,67 @@ static void edif_show_virtex_eq(ivl_lpm_t net)
"9009");
break;
case 4: {
char jbuf[1024];
fprintf(xnf, "(instance (rename U%u \"%s\")"
" (property INIT (string \"8\"))",
edif_uref, ivl_lpm_name(net));
fprintf(xnf, " (viewRef Netlist_representation"
" (cellRef LUT2 (libraryRef VIRTEX))))\n");
sprintf(jbuf, "(portRef O (instanceRef U%u))",
edif_uref);
edif_set_nexus_joint(ivl_lpm_q(net, 0), jbuf);
fprintf(xnf, "(instance U%uA"
" (property INIT (string \"9009\"))", edif_uref);
fprintf(xnf, " (viewRef Netlist_representation"
" (cellRef LUT4 (libraryRef VIRTEX))))\n");
fprintf(xnf, "(instance U%uB"
" (property INIT (string \"9009\"))", edif_uref);
fprintf(xnf, " (viewRef Netlist_representation"
" (cellRef LUT4 (libraryRef VIRTEX))))\n");
fprintf(xnf, "(net U%uNA (joined"
" (portRef O (instanceRef U%uA))"
" (portRef I0 (instanceRef U%u))))\n",
edif_uref, edif_uref, edif_uref);
fprintf(xnf, "(net U%uNB (joined"
" (portRef O (instanceRef U%uB))"
" (portRef I1 (instanceRef U%u))))\n",
edif_uref, edif_uref, edif_uref);
sprintf(jbuf, "(portRef I0 (instanceRef U%uA))", edif_uref);
edif_set_nexus_joint(ivl_lpm_data(net, 0), jbuf);
sprintf(jbuf, "(portRef I1 (instanceRef U%uA))", edif_uref);
edif_set_nexus_joint(ivl_lpm_datab(net, 0), jbuf);
sprintf(jbuf, "(portRef I2 (instanceRef U%uA))", edif_uref);
edif_set_nexus_joint(ivl_lpm_data(net, 1), jbuf);
sprintf(jbuf, "(portRef I3 (instanceRef U%uA))", edif_uref);
edif_set_nexus_joint(ivl_lpm_datab(net, 1), jbuf);
sprintf(jbuf, "(portRef I0 (instanceRef U%uB))", edif_uref);
edif_set_nexus_joint(ivl_lpm_data(net, 2), jbuf);
sprintf(jbuf, "(portRef I1 (instanceRef U%uB))", edif_uref);
edif_set_nexus_joint(ivl_lpm_datab(net, 2), jbuf);
sprintf(jbuf, "(portRef I2 (instanceRef U%uB))", edif_uref);
edif_set_nexus_joint(ivl_lpm_data(net, 3), jbuf);
sprintf(jbuf, "(portRef I3 (instanceRef U%uB))", edif_uref);
edif_set_nexus_joint(ivl_lpm_datab(net, 3), jbuf);
break;
}
default:
fprintf(stderr, "internal error: IVL_LPM_CMP_EQ: "
"Unsupported width (%u)\n", ivl_lpm_width(net));
@ -544,6 +605,9 @@ const struct device_s d_virtex_edif = {
/*
* $Log: d-virtex.c,v $
* Revision 1.3 2001/09/10 03:48:34 steve
* Add 4 wide identity compare.
*
* Revision 1.2 2001/09/09 22:23:28 steve
* Virtex support for mux devices and adders
* with carry chains. Also, make Virtex specific