libgcc/config/i386/64/sfp-machine.h

   1 #define _FP_W_TYPE_SIZE         64
   2 #define _FP_W_TYPE              unsigned long long
   3 #define _FP_WS_TYPE             signed long long
   4 #define _FP_I_TYPE              long 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 #define _FP_MUL_MEAT_Q(R,X,Y)                           \
  12   _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
  13
  14 #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
  15
  16 #define _FP_NANFRAC_S           _FP_QNANBIT_S
  17 #define _FP_NANFRAC_D           _FP_QNANBIT_D
  18 #define _FP_NANFRAC_E           _FP_QNANBIT_E, 0
  19 #define _FP_NANFRAC_Q           _FP_QNANBIT_Q, 0
  20
  21 #ifndef _SOFT_FLOAT
  22 #define FP_EX_SHIFT 7
  23
  24 #define _FP_DECL_EX \
  25   unsigned int _fcw __attribute__ ((unused)) = FP_RND_NEAREST;
  26
  27 #define FP_RND_NEAREST          0
  28 #define FP_RND_ZERO             0x6000
  29 #define FP_RND_PINF             0x4000
  30 #define FP_RND_MINF             0x2000
  31
  32 #define FP_RND_MASK             0x6000
  33
  34 #define FP_INIT_ROUNDMODE                                       \
  35   do {                                                          \
  36     __asm__ __volatile__ ("%vstmxcsr\t%0" : "=m" (_fcw));       \
  37   } while (0)
  38 #endif