Home | History | Annotate | Line # | Download | only in ia64 
      1 #define _FP_W_TYPE_SIZE		64
      2 #define _FP_W_TYPE		unsigned long
      3 #define _FP_WS_TYPE		signed long
      4 #define _FP_I_TYPE		long
      5 
      6 typedef int TItype __attribute__ ((mode (TI)));
      7 typedef unsigned int UTItype __attribute__ ((mode (TI)));
      8 
      9 #define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype))
     10 
     11 /* The type of the result of a floating point comparison.  This must
     12    match `__libgcc_cmp_return__' in GCC for the target.  */
     13 typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
     14 #define CMPtype __gcc_CMPtype
     15 
     16 #define _FP_MUL_MEAT_Q(R,X,Y)				\
     17   _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
     18 
     19 #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
     20 
     21 #define _FP_NANFRAC_S		_FP_QNANBIT_S
     22 #define _FP_NANFRAC_D		_FP_QNANBIT_D
     23 #define _FP_NANFRAC_E		_FP_QNANBIT_E, 0
     24 #define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0
     25 
     26 #define _FP_KEEPNANFRACP	1
     27 #define _FP_QNANNEGATEDP 0
     28 
     29 #define _FP_NANSIGN_S		1
     30 #define _FP_NANSIGN_D		1
     31 #define _FP_NANSIGN_E		1
     32 #define _FP_NANSIGN_Q		1
     33 
     34 /* Here is something Intel misdesigned: the specs don't define
     35    the case where we have two NaNs with same mantissas, but
     36    different sign. Different operations pick up different NaNs.  */
     37 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
     38   do {								\
     39     if (_FP_FRAC_GT_##wc(X, Y)					\
     40 	|| (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*')))	\
     41       {								\
     42 	R##_s = X##_s;						\
     43 	_FP_FRAC_COPY_##wc(R,X);				\
     44       }								\
     45     else							\
     46       {								\
     47 	R##_s = Y##_s;						\
     48 	_FP_FRAC_COPY_##wc(R,Y);				\
     49       }								\
     50     R##_c = FP_CLS_NAN;						\
     51   } while (0)
     52 
     53 #define FP_EX_INVALID		0x01
     54 #define FP_EX_DENORM		0x02
     55 #define FP_EX_DIVZERO		0x04
     56 #define FP_EX_OVERFLOW		0x08
     57 #define FP_EX_UNDERFLOW		0x10
     58 #define FP_EX_INEXACT		0x20
     59 #define FP_EX_ALL \
     60 	(FP_EX_INVALID | FP_EX_DENORM | FP_EX_DIVZERO | FP_EX_OVERFLOW \
     61 	 | FP_EX_UNDERFLOW | FP_EX_INEXACT)
     62 
     63 #define _FP_TININESS_AFTER_ROUNDING 1
     64 
     65 void __sfp_handle_exceptions (int);
     66 
     67 #define FP_HANDLE_EXCEPTIONS			\
     68   do {						\
     69     if (__builtin_expect (_fex, 0))		\
     70       __sfp_handle_exceptions (_fex);		\
     71   } while (0)
     72 
     73 #define FP_TRAPPING_EXCEPTIONS	(~_fcw & FP_EX_ALL)
     74 
     75 #define FP_RND_NEAREST		0
     76 #define FP_RND_ZERO		0xc00L
     77 #define FP_RND_PINF		0x800L
     78 #define FP_RND_MINF		0x400L
     79 
     80 #define FP_RND_MASK		0xc00L
     81 
     82 #define _FP_DECL_EX \
     83   unsigned long int _fcw __attribute__ ((unused)) = FP_RND_NEAREST
     84 
     85 #define FP_INIT_ROUNDMODE					\
     86   do {								\
     87     __asm__ __volatile__ ("mov.m %0 = ar.fpsr" : "=r" (_fcw));	\
     88   } while (0)
     89 
     90 #define FP_ROUNDMODE		(_fcw & FP_RND_MASK)
     91 
     92 #define	__LITTLE_ENDIAN	1234
     93 #define	__BIG_ENDIAN	4321
     94 
     95 #define __BYTE_ORDER __LITTLE_ENDIAN
     96 
     97 /* Define ALIASNAME as a strong alias for NAME.  */
     98 #define strong_alias(name, aliasname) _strong_alias(name, aliasname)
     99 #define _strong_alias(name, aliasname) \
    100   extern __typeof (name) aliasname __attribute__ ((alias (#name)));
    101