include/qemu/cpu-float.h

   1 #ifndef QEMU_CPU_FLOAT_H
   2 #define QEMU_CPU_FLOAT_H
   3
   4 #include "fpu/softfloat-types.h"
   5
   6 /* Unions for reinterpreting between floats and integers.  */
   7
   8 typedef union {
   9     float32 f;
  10     uint32_t l;
  11 } CPU_FloatU;
  12
  13 typedef union {
  14     float64 d;
  15 #if HOST_BIG_ENDIAN
  16     struct {
  17         uint32_t upper;
  18         uint32_t lower;
  19     } l;
  20 #else
  21     struct {
  22         uint32_t lower;
  23         uint32_t upper;
  24     } l;
  25 #endif
  26     uint64_t ll;
  27 } CPU_DoubleU;
  28
  29 typedef union {
  30      floatx80 d;
  31      struct {
  32          uint64_t lower;
  33          uint16_t upper;
  34      } l;
  35 } CPU_LDoubleU;
  36
  37 typedef union {
  38     float128 q;
  39 #if HOST_BIG_ENDIAN
  40     struct {
  41         uint32_t upmost;
  42         uint32_t upper;
  43         uint32_t lower;
  44         uint32_t lowest;
  45     } l;
  46     struct {
  47         uint64_t upper;
  48         uint64_t lower;
  49     } ll;
  50 #else
  51     struct {
  52         uint32_t lowest;
  53         uint32_t lower;
  54         uint32_t upper;
  55         uint32_t upmost;
  56     } l;
  57     struct {
  58         uint64_t lower;
  59         uint64_t upper;
  60     } ll;
  61 #endif
  62 } CPU_QuadU;
  63
  64 #endif /* QEMU_CPU_FLOAT_H */