diff -urN ./avr-gcc-3.3tinyos/gcc/config/avr/libgcc.S avr-gcc-3.3tinyos-xx/gcc/config/avr/libgcc.S
--- ./avr-gcc-3.3tinyos/gcc/config/avr/libgcc.S	2002-06-01 17:33:47.000000000 -0600
+++ avr-gcc-3.3tinyos-xx/gcc/config/avr/libgcc.S	2004-11-30 21:07:14.876377832 -0700
@@ -26,6 +26,8 @@
 the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
+#define JDR_HACK 1
+	
 #define __zero_reg__ r1
 #define __tmp_reg__ r0
 #define __SREG__ 0x3f
@@ -418,11 +420,19 @@
         eor     __tmp_reg__,r_arg2H   ; r0.7 is sign of result
 	rcall	__divmodhi4_neg1 ; dividend negative : negate
 	sbrc	r_arg2H,7
-	rcall	__divmodhi4_neg2 ; divisor negative : negate
+	rcall	__divmodhi4_neg2xx ; divisor negative : negate
 	rcall	__udivmodhi4	; do the unsigned div/mod
 	rcall	__divmodhi4_neg1 ; correct remainder sign
 	tst	__tmp_reg__
+#if JDR_HACK
+	brpl	__my_exit_a
+	rjmp	__skip_my_exit_a
+__my_exit_a:
+	ret
+__skip_my_exit_a:
+#else
 	brpl	__divmodhi4_exit
+#endif
 __divmodhi4_neg2:
 	com	r_arg2H
 	neg	r_arg2L		; correct divisor/result sign
@@ -430,11 +440,24 @@
 __divmodhi4_exit:
 	ret
 __divmodhi4_neg1:
+#if JDR_HACK
+	brtc	__my_exit_b
+	rjmp	__skip_my_exit_b
+__my_exit_b:
+	ret
+__skip_my_exit_b:
+#else
 	brtc	__divmodhi4_exit
+#endif
 	com	r_arg1H
 	neg	r_arg1L		; correct dividend/remainder sign
 	sbci	r_arg1H,0xff
 	ret
+__divmodhi4_neg2xx:
+	com	r_arg2H
+	neg	r_arg2L		; correct divisor/result sign
+	sbci	r_arg2H,0xff
+	ret
 	.endfunc
 #endif /* defined (L_divmodhi4) */