| 0,0 → 1,85 |
|---|
| #ifdef __MINGW32__ |
| /* Make sure we are using gnu-style bitfield handling. */ |
| #define _FP_STRUCT_LAYOUT __attribute__ ((gcc_struct)) |
| #endif |
| |
| /* The type of the result of a floating point comparison. This must |
| match `__libgcc_cmp_return__' in GCC for the target. */ |
| typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__))); |
| #define CMPtype __gcc_CMPtype |
| |
| #ifdef __x86_64__ |
| #include "config/i386/64/sfp-machine.h" |
| #else |
| #include "config/i386/32/sfp-machine.h" |
| #endif |
| |
| #define _FP_KEEPNANFRACP 1 |
| #define _FP_QNANNEGATEDP 0 |
| |
| #define _FP_NANSIGN_S 1 |
| #define _FP_NANSIGN_D 1 |
| #define _FP_NANSIGN_E 1 |
| #define _FP_NANSIGN_Q 1 |
| |
| /* Here is something Intel misdesigned: the specs don't define |
| the case where we have two NaNs with same mantissas, but |
| different sign. Different operations pick up different NaNs. */ |
| #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ |
| do { \ |
| if (_FP_FRAC_GT_##wc(X, Y) \ |
| || (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*'))) \ |
| { \ |
| R##_s = X##_s; \ |
| _FP_FRAC_COPY_##wc(R,X); \ |
| } \ |
| else \ |
| { \ |
| R##_s = Y##_s; \ |
| _FP_FRAC_COPY_##wc(R,Y); \ |
| } \ |
| R##_c = FP_CLS_NAN; \ |
| } while (0) |
| |
| #ifndef _SOFT_FLOAT |
| #define FP_EX_INVALID 0x01 |
| #define FP_EX_DENORM 0x02 |
| #define FP_EX_DIVZERO 0x04 |
| #define FP_EX_OVERFLOW 0x08 |
| #define FP_EX_UNDERFLOW 0x10 |
| #define FP_EX_INEXACT 0x20 |
| #define FP_EX_ALL \ |
| (FP_EX_INVALID | FP_EX_DENORM | FP_EX_DIVZERO | FP_EX_OVERFLOW \ |
| | FP_EX_UNDERFLOW | FP_EX_INEXACT) |
| |
| void __sfp_handle_exceptions (int); |
| |
| #define FP_HANDLE_EXCEPTIONS \ |
| do { \ |
| if (__builtin_expect (_fex, 0)) \ |
| __sfp_handle_exceptions (_fex); \ |
| } while (0); |
| |
| #define FP_TRAPPING_EXCEPTIONS ((~_fcw >> FP_EX_SHIFT) & FP_EX_ALL) |
| |
| #define FP_ROUNDMODE (_fcw & FP_RND_MASK) |
| #endif |
| |
| #define _FP_TININESS_AFTER_ROUNDING 1 |
| |
| #define __LITTLE_ENDIAN 1234 |
| #define __BIG_ENDIAN 4321 |
| |
| #define __BYTE_ORDER __LITTLE_ENDIAN |
| |
| /* Define ALIASNAME as a strong alias for NAME. */ |
| #if defined __MACH__ |
| /* Mach-O doesn't support aliasing. If these functions ever return |
| anything but CMPtype we need to revisit this... */ |
| #define strong_alias(name, aliasname) \ |
| CMPtype aliasname (TFtype a, TFtype b) { return name(a, b); } |
| #else |
| # define strong_alias(name, aliasname) _strong_alias(name, aliasname) |
| # define _strong_alias(name, aliasname) \ |
| extern __typeof (name) aliasname __attribute__ ((alias (#name))); |
| #endif |