diff -Naurd mpfr-2.4.2-a/mpfr-longlong.h mpfr-2.4.2-b/mpfr-longlong.h
--- -a/mpfr-2.4.2/mpfr-longlong.h	2009-11-30 02:43:08.000000000 +0000
+++ -b/mpfr-2.4.2/mpfr-longlong.h	2009-12-18 12:04:29.000000000 +0000
@@ -1011,7 +1011,15 @@
 #endif /* __m88000__ */
 
 #if defined (__mips) && W_TYPE_SIZE == 32
-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
+#if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
+#define umul_ppmm(w1, w0, u, v) \
+  do {									\
+    UDItype _r;							\
+    _r = (UDItype) u * v;						\
+    (w1) = _r >> 32;							\
+    (w0) = (USItype) _r;						\
+  } while (0)
+#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
 #define umul_ppmm(w1, w0, u, v) \
   __asm__ ("multu %2,%3" : "=l" (w0), "=h" (w1) : "d" (u), "d" (v))
 #else
@@ -1024,7 +1032,16 @@
 #endif /* __mips */
 
 #if (defined (__mips) && __mips >= 3) && W_TYPE_SIZE == 64
-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
+#if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
+typedef unsigned int UTItype __attribute__ ((mode (TI)));
+#define umul_ppmm(w1, w0, u, v) \
+  do {									\
+    UTItype _r;							\
+    _r = (UTItype) u * v;						\
+    (w1) = _r >> 64;							\
+    (w0) = (UDItype) _r;						\
+  } while (0)
+#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
 #define umul_ppmm(w1, w0, u, v) \
   __asm__ ("dmultu %2,%3" : "=l" (w0), "=h" (w1) : "d" (u), "d" (v))
 #else