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Proper bounds checking of the left operator of right shift.

This commit is contained in:
steve 2000-04-29 01:19:47 +00:00
parent 77361fb8a0
commit 3aef1be0e7
1 changed files with 5 additions and 2 deletions
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7
vvm/vvm_func.cc
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: vvm_func.cc,v 1.7 2000/04/26 03:32:40 steve Exp $" #ident "$Id: vvm_func.cc,v 1.8 2000/04/29 01:19:47 steve Exp $"
#endif #endif
# include "vvm_func.h" # include "vvm_func.h"
@ -162,7 +162,7 @@ void vvm_binop_shiftr(vvm_bitset_t&v,
assert(v.nbits == l.nbits); assert(v.nbits == l.nbits);
vvm_u32 s = r.as_unsigned(); vvm_u32 s = r.as_unsigned();
for (unsigned idx = 0 ; idx < v.nbits ; idx += 1) for (unsigned idx = 0 ; idx < v.nbits ; idx += 1)
v[idx] = (idx < (v.nbits-s)) ? l[idx+s] : St0; v[idx] = ((idx+s) < l.nbits) ? l[idx+s] : St0;
} }
void vvm_binop_xnor(vvm_bitset_t&v, const vvm_bitset_t&l, const vvm_bitset_t&r) void vvm_binop_xnor(vvm_bitset_t&v, const vvm_bitset_t&l, const vvm_bitset_t&r)
@ -496,6 +496,9 @@ void vvm_ternary(vvm_bitset_t&v, vpip_bit_t c,
/* /*
* $Log: vvm_func.cc,v $ * $Log: vvm_func.cc,v $
* Revision 1.8 2000/04/29 01:19:47 steve
* Proper bounds checking of the left operator of right shift.
*
* Revision 1.7 2000/04/26 03:32:40 steve * Revision 1.7 2000/04/26 03:32:40 steve
* AND handles argument padding if necessary. * AND handles argument padding if necessary.
* *