'ix' is unsigned but denormal_subf1() may return a negative int.
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
                iy = hy & 0x7fffffff;
                if (iy < 0x00800000) {
                        ix = denormal_subf1(ix, iy);
-                       if (ix < 0) {
+                       if ((int) ix < 0) {
                                ix = -ix;
                                sign ^= 0x80000000;
                        }
                iy = hy & 0x7fffffffffffffffLL;
                if (iy < 0x0010000000000000LL) {
                        ix = denormal_subd1(ix, iy);
-                       if (ix < 0) {
+                       if ((int) ix < 0) {
                                ix = -ix;
                                sign ^= 0x8000000000000000LL;
                        }