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Support C8 constants.

This commit is contained in:
steve 2005-02-12 03:27:18 +00:00
parent 2e6d2f8e98
commit 4fce321900
1 changed files with 45 additions and 1 deletions
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46
vvp/compile.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: compile.cc,v 1.185 2005/01/30 05:06:49 steve Exp $"
#ident "$Id: compile.cc,v 1.186 2005/02/12 03:27:18 steve Exp $"
#endif
# include "arith.h"
@ -713,6 +713,47 @@ void input_connect(vvp_net_t*fdx, unsigned port, char*label)
return;
}
/* Is this a vvp_vector8_t constant value? */
if ((strncmp(label, "C8<", 3) == 0)
&& ((tp = strchr(label,'>')))
&& (tp[1] == 0)
&& (strspn(label+3, "01234567xz") == (tp-label-3))) {
size_t vsize = tp-label-3;
assert(vsize%3 == 0);
vsize /= 3;
vvp_vector8_t tmp (vsize);
for (unsigned idx = 0 ; idx < vsize ; idx += 1) {
vvp_bit4_t bit = BIT4_Z;
unsigned dr0 = label[3+idx*3+0] - '0';
unsigned dr1 = label[3+idx*3+1] - '0';
switch (label[3+idx*3+2]) {
case '0':
bit = BIT4_0;
break;
case '1':
bit = BIT4_1;
break;
case 'x':
bit = BIT4_X;
break;
case 'z':
bit = BIT4_Z;
break;
}
tmp.set_bit(vsize-idx-1, vvp_scaler_t(bit, dr0, dr1));
}
schedule_set_vector(ifdx, tmp);
free(label);
return;
}
/* Handle the general case that this is a label for a node in
the vvp net. This arranges for the label to be preserved in
a linker list, and linked when the symbol table is
@ -1577,6 +1618,9 @@ void compile_param_string(char*label, char*name, char*str, char*value)
/*
* $Log: compile.cc,v $
* Revision 1.186 2005/02/12 03:27:18 steve
* Support C8 constants.
*
* Revision 1.185 2005/01/30 05:06:49 steve
* Get .arith/sub working.
*