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Support wide divide nodes.

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This commit is contained in:
steve
2006-01-03 06:19:31 +00:00
parent 368c27c9e4
commit e1ce72e245
3 changed files with 31 additions and 22 deletions
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vvp/arith.cc
+20 -4
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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: arith.cc,v 1.47 2005/11/10 13:27:16 steve Exp $"
#ident "$Id: arith.cc,v 1.48 2006/01/03 06:19:31 steve Exp $"
#endif
# include "arith.h"
@@ -67,9 +67,22 @@ vvp_arith_div::~vvp_arith_div()
{
}
void vvp_arith_div::wide_(vvp_net_ptr_t ptr)
void vvp_arith_div::wide4_(vvp_net_ptr_t ptr)
{
assert(0);
vvp_vector2_t a2 (op_a_);
if (a2.is_NaN()) {
vvp_send_vec4(ptr.ptr()->out, x_val_);
return;
}
vvp_vector2_t b2 (op_b_);
if (b2.is_NaN()) {
vvp_send_vec4(ptr.ptr()->out, x_val_);
return;
}
vvp_vector2_t res2 = a2 / b2;
vvp_send_vec4(ptr.ptr()->out, vector2_to_vector4(res2, wid_));
}
void vvp_arith_div::recv_vec4(vvp_net_ptr_t ptr, const vvp_vector4_t&bit)
@@ -77,7 +90,7 @@ void vvp_arith_div::recv_vec4(vvp_net_ptr_t ptr, const vvp_vector4_t&bit)
dispatch_operand_(ptr, bit);
if (wid_ > 8 * sizeof(unsigned long)) {
wide_(ptr);
wide4_(ptr);
return ;
}
@@ -767,6 +780,9 @@ void vvp_arith_sub_real::recv_real(vvp_net_ptr_t ptr, double bit)
/*
* $Log: arith.cc,v $
* Revision 1.48 2006/01/03 06:19:31 steve
* Support wide divide nodes.
*
* Revision 1.47 2005/11/10 13:27:16 steve
* Handle very wide % and / operations using expanded vector2 support.
*