alpha: Modernize lib/mpi/longlong.h

Remove the compile warning for __udiv_qrnnd not having a prototype.
Use the __builtin_alpha_umulh introduced in gcc 4.0.

Reviewed-and-Tested-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>

diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
index d411355f238e2088247f0cbf51631c77ae78b10e..aac511417ad19af5d9e3472747a983be5ed3ee4b 100644 (file)
--- a/lib/mpi/longlong.h
+++ b/lib/mpi/longlong.h
@@ -151,15 +151,12 @@ do { \
 #endif /* __a29k__ */
 
 #if defined(__alpha) && W_TYPE_SIZE == 64
-#define umul_ppmm(ph, pl, m0, m1) \
-do { \
-               UDItype __m0 = (m0), __m1 = (m1); \
-               __asm__ ("umulh %r1,%2,%0" \
-               : "=r" ((UDItype) ph) \
-               : "%rJ" (__m0), \
-                       "rI" (__m1)); \
-               (pl) = __m0 * __m1; \
-       } while (0)
+#define umul_ppmm(ph, pl, m0, m1)                      \
+do {                                                   \
+       UDItype __m0 = (m0), __m1 = (m1);               \
+       (ph) = __builtin_alpha_umulh(__m0, __m1);       \
+       (pl) = __m0 * __m1;                             \
+} while (0)
 #define UMUL_TIME 46
 #ifndef LONGLONG_STANDALONE
 #define udiv_qrnnd(q, r, n1, n0, d) \
@@ -167,7 +164,7 @@ do { UDItype __r; \
        (q) = __udiv_qrnnd(&__r, (n1), (n0), (d)); \
        (r) = __r; \
 } while (0)
-extern UDItype __udiv_qrnnd();
+extern UDItype __udiv_qrnnd(UDItype *, UDItype, UDItype, UDItype);
 #define UDIV_TIME 220
 #endif /* LONGLONG_STANDALONE */
 #endif /* __alpha */