diff options
Diffstat (limited to 'src/pkg/runtime/vlrt_386.c')
| -rw-r--r-- | src/pkg/runtime/vlrt_386.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/pkg/runtime/vlrt_386.c b/src/pkg/runtime/vlrt_386.c index 8d965c086..ace1beb4c 100644 --- a/src/pkg/runtime/vlrt_386.c +++ b/src/pkg/runtime/vlrt_386.c @@ -32,6 +32,8 @@ * to generate the code directly now. Find and remove. */ +extern void runtime·panicdivide(void); + typedef unsigned long ulong; typedef unsigned int uint; typedef unsigned short ushort; @@ -240,6 +242,8 @@ dodiv(Vlong num, Vlong den, Vlong *qp, Vlong *rp) } } else { if(num.hi >= den.lo){ + if(den.lo == 0) + runtime·panicdivide(); q.hi = n = num.hi/den.lo; num.hi -= den.lo*n; } else { @@ -263,6 +267,8 @@ _divvu(Vlong *q, Vlong n, Vlong d) { if(n.hi == 0 && d.hi == 0) { + if(d.lo == 0) + runtime·panicdivide(); q->hi = 0; q->lo = n.lo / d.lo; return; @@ -281,6 +287,8 @@ _modvu(Vlong *r, Vlong n, Vlong d) { if(n.hi == 0 && d.hi == 0) { + if(d.lo == 0) + runtime·panicdivide(); r->hi = 0; r->lo = n.lo % d.lo; return; @@ -319,6 +327,8 @@ _divv(Vlong *q, Vlong n, Vlong d) q->hi = 0; return; } + if(d.lo == 0) + runtime·panicdivide(); q->lo = (long)n.lo / (long)d.lo; q->hi = ((long)q->lo) >> 31; return; @@ -353,6 +363,8 @@ _modv(Vlong *r, Vlong n, Vlong d) r->hi = 0; return; } + if(d.lo == 0) + runtime·panicdivide(); r->lo = (long)n.lo % (long)d.lo; r->hi = ((long)r->lo) >> 31; return; |