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| author | Richard Henderson <rth@twiddle.net> | 2013-07-10 11:05:59 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2013-07-19 13:54:23 -0700 |
| commit | a5c6eae4d6763e50101494b392ef6518c0ef96e9 (patch) | |
| tree | c87c5e3ee2b4729615297fcd0313095f9fc80995 /lib | |
| parent | 01350eb6c0d6fa7831b387d50e19830d8d0da354 (diff) | |
| download | lwn-a5c6eae4d6763e50101494b392ef6518c0ef96e9.tar.gz lwn-a5c6eae4d6763e50101494b392ef6518c0ef96e9.zip | |
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>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/mpi/longlong.h | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h index d411355f238e..aac511417ad1 100644 --- 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 */ |