libgcc/config/arm/sfp-machine.h

   1 #define _FP_W_TYPE_SIZE         32
   2 #define _FP_W_TYPE              unsigned long
   3 #define _FP_WS_TYPE             signed long
   4 #define _FP_I_TYPE              long
   5
   6 /* The type of the result of a floating point comparison.  This must
   7    match `__libgcc_cmp_return__' in GCC for the target.  */
   8 typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
   9 #define CMPtype __gcc_CMPtype
  10
  11 #define _FP_MUL_MEAT_S(R,X,Y)                           \
  12   _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
  13 #define _FP_MUL_MEAT_D(R,X,Y)                           \
  14   _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
  15 #define _FP_MUL_MEAT_Q(R,X,Y)                           \
  16   _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
  17
  18 #define _FP_DIV_MEAT_S(R,X,Y)   _FP_DIV_MEAT_1_loop(S,R,X,Y)
  19 #define _FP_DIV_MEAT_D(R,X,Y)   _FP_DIV_MEAT_2_udiv(D,R,X,Y)
  20 #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
  21
  22 /* According to RTABI, QNAN is only with the most significant bit of the
  23    significand set, and all other significand bits zero.  */
  24 #define _FP_NANFRAC_H           _FP_QNANBIT_H
  25 #define _FP_NANFRAC_S           _FP_QNANBIT_S
  26 #define _FP_NANFRAC_D           _FP_QNANBIT_D, 0
  27 #define _FP_NANFRAC_Q           _FP_QNANBIT_Q, 0, 0, 0
  28 #define _FP_NANSIGN_H           0
  29 #define _FP_NANSIGN_S           0
  30 #define _FP_NANSIGN_D           0
  31 #define _FP_NANSIGN_Q           0
  32
  33 #define _FP_KEEPNANFRACP 1
  34 #define _FP_QNANNEGATEDP 0
  35
  36 /* Someone please check this.  */
  37 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)                      \
  38   do {                                                          \
  39     if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)          \
  40         && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))     \
  41       {                                                         \
  42         R##_s = Y##_s;                                          \
  43         _FP_FRAC_COPY_##wc(R,Y);                                \
  44       }                                                         \
  45     else                                                        \
  46       {                                                         \
  47         R##_s = X##_s;                                          \
  48         _FP_FRAC_COPY_##wc(R,X);                                \
  49       }                                                         \
  50     R##_c = FP_CLS_NAN;                                         \
  51   } while (0)
  52
  53 #define _FP_TININESS_AFTER_ROUNDING 0
  54
  55 #define __LITTLE_ENDIAN 1234
  56 #define __BIG_ENDIAN    4321
  57
  58 #if defined __ARMEB__
  59 # define __BYTE_ORDER __BIG_ENDIAN
  60 #else
  61 # define __BYTE_ORDER __LITTLE_ENDIAN
  62 #endif
  63
  64
  65 /* Define ALIASNAME as a strong alias for NAME.  */
  66 # define strong_alias(name, aliasname) _strong_alias(name, aliasname)
  67 # define _strong_alias(name, aliasname) \
  68   extern __typeof (name) aliasname __attribute__ ((alias (#name)));
  69
  70 #ifdef __ARM_EABI__
  71 /* Rename functions to their EABI names.  */
  72 /* The comparison functions need wrappers for EABI semantics, so
  73    leave them unmolested.  */
  74 #define __negsf2        __aeabi_fneg
  75 #define __subsf3        __aeabi_fsub
  76 #define __addsf3        __aeabi_fadd
  77 #define __floatunsisf   __aeabi_ui2f
  78 #define __floatsisf     __aeabi_i2f
  79 #define __floatundisf   __aeabi_ul2f
  80 #define __floatdisf     __aeabi_l2f
  81 #define __mulsf3        __aeabi_fmul
  82 #define __divsf3        __aeabi_fdiv
  83 #define __unordsf2      __aeabi_fcmpun
  84 #define __fixsfsi       __aeabi_f2iz
  85 #define __fixunssfsi    __aeabi_f2uiz
  86 #define __fixsfdi       __aeabi_f2lz
  87 #define __fixunssfdi    __aeabi_f2ulz
  88 #define __floatdisf     __aeabi_l2f
  89
  90 #define __negdf2        __aeabi_dneg
  91 #define __subdf3        __aeabi_dsub
  92 #define __adddf3        __aeabi_dadd
  93 #define __floatunsidf   __aeabi_ui2d
  94 #define __floatsidf     __aeabi_i2d
  95 #define __extendsfdf2   __aeabi_f2d
  96 #define __truncdfsf2    __aeabi_d2f
  97 #define __floatundidf   __aeabi_ul2d
  98 #define __floatdidf     __aeabi_l2d
  99 #define __muldf3        __aeabi_dmul
 100 #define __divdf3        __aeabi_ddiv
 101 #define __unorddf2      __aeabi_dcmpun
 102 #define __fixdfsi       __aeabi_d2iz
 103 #define __fixunsdfsi    __aeabi_d2uiz
 104 #define __fixdfdi       __aeabi_d2lz
 105 #define __fixunsdfdi    __aeabi_d2ulz
 106 #define __floatdidf     __aeabi_l2d
 107 #define __extendhfsf2   __gnu_h2f_ieee
 108 #define __truncsfhf2    __gnu_f2h_ieee
 109
 110 #endif /* __ARM_EABI__ */