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| author | Torbjorn Granlund <tg@gmplib.org> | 2016-10-14 11:48:53 +0200 |
|---|---|---|
| committer | Torbjorn Granlund <tg@gmplib.org> | 2016-10-14 11:48:53 +0200 |
| commit | f6a353cd1acf1f81e48ebe38f1da4d7a7819c11e (patch) | |
| tree | 960d73dbd2e1217e85245c48f95b28661593fd42 /longlong.h | |
| parent | 231e6305ce18dda6e98e43c1bc53ba85682d3d89 (diff) | |
| download | gmp-f6a353cd1acf1f81e48ebe38f1da4d7a7819c11e.tar.gz | |
(riscv umul_ppmm): New.
Diffstat (limited to 'longlong.h')
| -rw-r--r-- | longlong.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/longlong.h b/longlong.h index 1f798fcbe..b1d3f11dd 100644 --- a/longlong.h +++ b/longlong.h @@ -1,6 +1,6 @@ /* longlong.h -- definitions for mixed size 32/64 bit arithmetic. -Copyright 1991-1994, 1996, 1997, 1999-2005, 2007-2009, 2011-2015 Free Software +Copyright 1991-1994, 1996, 1997, 1999-2005, 2007-2009, 2011-2016 Free Software Foundation, Inc. This file is part of the GNU MP Library. @@ -1584,6 +1584,15 @@ extern UWtype __MPN(udiv_qrnnd) (UWtype *, UWtype, UWtype, UWtype); } while (0) #endif /* RT/ROMP */ +#if defined (__riscv64) && W_TYPE_SIZE == 64 +#define umul_ppmm(ph, pl, u, v) \ + do { \ + UDItype __u = (u), __v = (v); \ + (pl) = __u * __v; \ + __asm__ ("mulhu\t%2, %1, %0" : "=r" (ph) : "%r" (__u), "r" (__v)); \ + } while (0) +#endif + #if (defined (__SH2__) || defined (__SH3__) || defined (__SH4__)) && W_TYPE_SIZE == 32 #define umul_ppmm(w1, w0, u, v) \ __asm__ ("dmulu.l %2,%3\n\tsts macl,%1\n\tsts mach,%0" \ |