diff options
Diffstat (limited to 'sysdeps/ia64/fpu/sfp-machine.h')
| -rw-r--r-- | sysdeps/ia64/fpu/sfp-machine.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/sysdeps/ia64/fpu/sfp-machine.h b/sysdeps/ia64/fpu/sfp-machine.h new file mode 100644 index 0000000000..45e844d3da --- /dev/null +++ b/sysdeps/ia64/fpu/sfp-machine.h @@ -0,0 +1,100 @@ +#define _FP_W_TYPE_SIZE 64 +#define _FP_W_TYPE unsigned long +#define _FP_WS_TYPE signed long +#define _FP_I_TYPE long + +typedef int TItype __attribute__ ((mode (TI))); +typedef unsigned int UTItype __attribute__ ((mode (TI))); + +#define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype)) + +/* 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 + +#define _FP_MUL_MEAT_Q(R,X,Y) \ + _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y) + +#define _FP_NANFRAC_S _FP_QNANBIT_S +#define _FP_NANFRAC_D _FP_QNANBIT_D +#define _FP_NANFRAC_E _FP_QNANBIT_E, 0 +#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0 + +#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) + +#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) + +#define _FP_TININESS_AFTER_ROUNDING 1 + +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_ALL) + +#define FP_RND_NEAREST 0 +#define FP_RND_ZERO 0xc00L +#define FP_RND_PINF 0x800L +#define FP_RND_MINF 0x400L + +#define FP_RND_MASK 0xc00L + +#define _FP_DECL_EX \ + unsigned long int _fcw __attribute__ ((unused)) = FP_RND_NEAREST + +#define FP_INIT_ROUNDMODE \ + do { \ + __asm__ __volatile__ ("mov.m %0 = ar.fpsr" : "=r" (_fcw)); \ + } while (0) + +#define FP_ROUNDMODE (_fcw & FP_RND_MASK) + +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 + +#define __BYTE_ORDER __LITTLE_ENDIAN + +/* Define ALIASNAME as a strong alias for NAME. */ +#define strong_alias(name, aliasname) _strong_alias(name, aliasname) +#define _strong_alias(name, aliasname) \ + extern __typeof (name) aliasname __attribute__ ((alias (#name))); |