| Message ID | 1467392693-22715-5-git-send-email-rth@twiddle.net |
|---|---|
| State | New |
| Headers | show |
Richard Henderson <rth@twiddle.net> writes: > Signed-off-by: Richard Henderson <rth@twiddle.net> > --- > 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 */ This breaks the tests/test-int128.c compile. This is mainly because the test itself assumes details of the internals of the Int128 structure however the expand() function will also need fixing if using GCC __int128's. -- Alex Bennée
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 */
Signed-off-by: Richard Henderson <rth@twiddle.net> --- include/qemu/int128.h | 135 +++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 134 insertions(+), 1 deletion(-)