diff options
Diffstat (limited to 'fpu')
| -rw-r--r-- | fpu/softfloat-native.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/fpu/softfloat-native.c b/fpu/softfloat-native.c index 89c0842af5..e54820239c 100644 --- a/fpu/softfloat-native.c +++ b/fpu/softfloat-native.c @@ -23,8 +23,8 @@ void set_floatx80_rounding_precision(int val STATUS_PARAM) #endif #if defined(_BSD) -#define lrint(d) ((int32_t)rint(d)) -#define llrint(d) ((int64_t)rint(d)) +#define lrint(d) ((long)rint(d)) +#define llrint(d) ((long long)rint(d)) #endif #if defined(__powerpc__) @@ -80,12 +80,27 @@ floatx80 int64_to_floatx80( int64_t v STATUS_PARAM) } #endif +/* XXX: this code implements the x86 behaviour, not the IEEE one. */ +#if HOST_LONG_BITS == 32 +static inline int long_to_int32(long a) +{ + return a; +} +#else +static inline int long_to_int32(long a) +{ + if (a != (int32_t)a) + a = 0x80000000; + return a; +} +#endif + /*---------------------------------------------------------------------------- | Software IEC/IEEE single-precision conversion routines. *----------------------------------------------------------------------------*/ int float32_to_int32( float32 a STATUS_PARAM) { - return lrintf(a); + return long_to_int32(lrintf(a)); } int float32_to_int32_round_to_zero( float32 a STATUS_PARAM) { @@ -167,7 +182,7 @@ char float32_is_signaling_nan( float32 a1) *----------------------------------------------------------------------------*/ int float64_to_int32( float64 a STATUS_PARAM) { - return lrint(a); + return long_to_int32(lrint(a)); } int float64_to_int32_round_to_zero( float64 a STATUS_PARAM) { @@ -276,7 +291,7 @@ char float64_is_signaling_nan( float64 a1) *----------------------------------------------------------------------------*/ int floatx80_to_int32( floatx80 a STATUS_PARAM) { - return lrintl(a); + return long_to_int32(lrintl(a)); } int floatx80_to_int32_round_to_zero( floatx80 a STATUS_PARAM) { |