From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53488) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bJ1sE-0002Be-44 for qemu-devel@nongnu.org; Fri, 01 Jul 2016 13:05:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bJ1sC-0005K7-1d for qemu-devel@nongnu.org; Fri, 01 Jul 2016 13:05:01 -0400 Received: from mail-pa0-x241.google.com ([2607:f8b0:400e:c03::241]:35548) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bJ1sB-0005K0-RH for qemu-devel@nongnu.org; Fri, 01 Jul 2016 13:04:59 -0400 Received: by mail-pa0-x241.google.com with SMTP id hf6so10129786pac.2 for ; Fri, 01 Jul 2016 10:04:59 -0700 (PDT) Sender: Richard Henderson From: Richard Henderson Date: Fri, 1 Jul 2016 10:04:30 -0700 Message-Id: <1467392693-22715-5-git-send-email-rth@twiddle.net> In-Reply-To: <1467392693-22715-1-git-send-email-rth@twiddle.net> References: <1467392693-22715-1-git-send-email-rth@twiddle.net> Subject: [Qemu-devel] [PATCH v2 04/27] int128: Use __int128 if available List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: cota@braap.org, alex.bennee@linaro.org, pbonzini@redhat.com, peter.maydell@linaro.org, serge.fdrv@gmail.com Signed-off-by: Richard Henderson --- include/qemu/int128.h | 135 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 134 insertions(+), 1 deletion(-) diff --git a/include/qemu/int128.h b/include/qemu/int128.h index 52aaf99..08f1db1 100644 --- a/include/qemu/int128.h +++ b/include/qemu/int128.h @@ -1,6 +1,138 @@ #ifndef INT128_H #define INT128_H +#ifdef CONFIG_INT128 + +typedef __int128 Int128; + +static inline Int128 int128_make64(uint64_t a) +{ + return a; +} + +static inline uint64_t int128_get64(Int128 a) +{ + uint64_t r = a; + assert(r == a); + return r; +} + +static inline uint64_t int128_getlo(Int128 a) +{ + return a; +} + +static inline int64_t int128_gethi(Int128 a) +{ + return a >> 64; +} + +static inline Int128 int128_zero(void) +{ + return 0; +} + +static inline Int128 int128_one(void) +{ + return 1; +} + +static inline Int128 int128_2_64(void) +{ + return (Int128)1 << 64; +} + +static inline Int128 int128_exts64(int64_t a) +{ + return a; +} + +static inline Int128 int128_and(Int128 a, Int128 b) +{ + return a & b; +} + +static inline Int128 int128_rshift(Int128 a, int n) +{ + return a >> n; +} + +static inline Int128 int128_add(Int128 a, Int128 b) +{ + return a + b; +} + +static inline Int128 int128_neg(Int128 a) +{ + return -a; +} + +static inline Int128 int128_sub(Int128 a, Int128 b) +{ + return a - b; +} + +static inline bool int128_nonneg(Int128 a) +{ + return a >= 0; +} + +static inline bool int128_eq(Int128 a, Int128 b) +{ + return a == b; +} + +static inline bool int128_ne(Int128 a, Int128 b) +{ + return a != b; +} + +static inline bool int128_ge(Int128 a, Int128 b) +{ + return a >= b; +} + +static inline bool int128_lt(Int128 a, Int128 b) +{ + return a < b; +} + +static inline bool int128_le(Int128 a, Int128 b) +{ + return a <= b; +} + +static inline bool int128_gt(Int128 a, Int128 b) +{ + return a > b; +} + +static inline bool int128_nz(Int128 a) +{ + return a != 0; +} + +static inline Int128 int128_min(Int128 a, Int128 b) +{ + return a < b ? a : b; +} + +static inline Int128 int128_max(Int128 a, Int128 b) +{ + return a > b ? a : b; +} + +static inline void int128_addto(Int128 *a, Int128 b) +{ + *a += b; +} + +static inline void int128_subfrom(Int128 *a, Int128 b) +{ + *a -= b; +} + +#else /* !CONFIG_INT128 */ typedef struct Int128 Int128; @@ -153,4 +285,5 @@ static inline void int128_subfrom(Int128 *a, Int128 b) *a = int128_sub(*a, b); } -#endif +#endif /* CONFIG_INT128 */ +#endif /* INT128_H */ -- 2.5.5