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-rw-r--r--fold.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fold.c b/fold.c
index 019b739..521c911 100644
--- a/fold.c
+++ b/fold.c
@@ -371,15 +371,15 @@ foldint(Con *res, int op, int w, Con *cl, Con *cr)
 	switch (op) {
 	case Oadd:  x = l.u + r.u; break;
 	case Osub:  x = l.u - r.u; break;
-	case Odiv:  x = l.s / r.s; break;
-	case Orem:  x = l.s % r.s; break;
+	case Odiv:  x = w ? l.s / r.s : (int32_t)l.s / (int32_t)r.s; break;
+	case Orem:  x = w ? l.s % r.s : (int32_t)l.s % (int32_t)r.s; break;
 	case Oudiv: x = l.u / r.u; break;
 	case Ourem: x = l.u % r.u; break;
 	case Omul:  x = l.u * r.u; break;
 	case Oand:  x = l.u & r.u; break;
 	case Oor:   x = l.u | r.u; break;
 	case Oxor:  x = l.u ^ r.u; break;
-	case Osar:  x = l.s >> (r.u & 63); break;
+	case Osar:  x = (w ? l.s : (int32_t)l.s) >> (r.u & 63); break;
 	case Oshr:  x = l.u >> (r.u & 63); break;
 	case Oshl:  x = l.u << (r.u & 63); break;
 	case Oextsb: x = (int8_t)l.u;   break;