Commit 1b2b0af50d4845aa867b2bdbb57dc62149e3ce1a

Authored by bellard
1 parent e774a278

64 bit fix


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1842 c046a42c-6fe2-441c-8c8c-71466251a162
Showing 1 changed file with 20 additions and 5 deletions
fpu/softfloat-native.c
... ... @@ -23,8 +23,8 @@ void set_floatx80_rounding_precision(int val STATUS_PARAM)
23 23 #endif
24 24  
25 25 #if defined(_BSD)
26   -#define lrint(d) ((int32_t)rint(d))
27   -#define llrint(d) ((int64_t)rint(d))
  26 +#define lrint(d) ((long)rint(d))
  27 +#define llrint(d) ((long long)rint(d))
28 28 #endif
29 29  
30 30 #if defined(__powerpc__)
... ... @@ -80,12 +80,27 @@ floatx80 int64_to_floatx80( int64_t v STATUS_PARAM)
80 80 }
81 81 #endif
82 82  
  83 +/* XXX: this code implements the x86 behaviour, not the IEEE one. */
  84 +#if HOST_LONG_BITS == 32
  85 +static inline int long_to_int32(long a)
  86 +{
  87 + return a;
  88 +}
  89 +#else
  90 +static inline int long_to_int32(long a)
  91 +{
  92 + if (a != (int32_t)a)
  93 + a = 0x80000000;
  94 + return a;
  95 +}
  96 +#endif
  97 +
83 98 /*----------------------------------------------------------------------------
84 99 | Software IEC/IEEE single-precision conversion routines.
85 100 *----------------------------------------------------------------------------*/
86 101 int float32_to_int32( float32 a STATUS_PARAM)
87 102 {
88   - return lrintf(a);
  103 + return long_to_int32(lrintf(a));
89 104 }
90 105 int float32_to_int32_round_to_zero( float32 a STATUS_PARAM)
91 106 {
... ... @@ -167,7 +182,7 @@ char float32_is_signaling_nan( float32 a1)
167 182 *----------------------------------------------------------------------------*/
168 183 int float64_to_int32( float64 a STATUS_PARAM)
169 184 {
170   - return lrint(a);
  185 + return long_to_int32(lrint(a));
171 186 }
172 187 int float64_to_int32_round_to_zero( float64 a STATUS_PARAM)
173 188 {
... ... @@ -276,7 +291,7 @@ char float64_is_signaling_nan( float64 a1)
276 291 *----------------------------------------------------------------------------*/
277 292 int floatx80_to_int32( floatx80 a STATUS_PARAM)
278 293 {
279   - return lrintl(a);
  294 + return long_to_int32(lrintl(a));
280 295 }
281 296 int floatx80_to_int32_round_to_zero( floatx80 a STATUS_PARAM)
282 297 {
... ...