--- target-mips/translate.c	23 Apr 2006 15:21:24 -0000	1.12
+++ target-mips/translate.c	26 Apr 2006 14:02:19 -0000
@@ -1320,6 +1707,12 @@
     uint16_t op, op1;
     int16_t imm;
 
+	/* make sure instructions are on a word boundary */
+	if (ctx->pc & 0x3) {
+		generate_exception(ctx, EXCP_AdEL);
+		return;
+	}
+
     if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
         /* Handle blikely not taken case */
         MIPS_DEBUG("blikely condition (%08x)", ctx->pc + 4);