diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 2c10bacc4..f33a2fef4 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,8 @@
+2010-11-04  Ralf Corsépius  <ralf.corsepius@rtems.org>
+
+	* libm/complex/cacos.c: Reorder function calls to work around ICE
+	in arm/thumb-gcc.
+
 2010-10-27  Maurice Baijens  <maurice.baijens@ellips.nl>
 
 	* libc/stdlib/strtol.c: Make sure signed characters are not
diff --git a/newlib/libm/complex/cacos.c b/newlib/libm/complex/cacos.c
index d871617e3..3196d970f 100644
--- a/newlib/libm/complex/cacos.c
+++ b/newlib/libm/complex/cacos.c
@@ -83,6 +83,7 @@ cacos(double complex z)
 	double complex w;
 
 	w = casin(z);
-	w = (M_PI_2 - creal(w)) - cimag(w) * I;
+	w = M_PI_2 - creal(w);
+	w -= (cimag(w) * I);
 	return w;
 }