qemu_create_pidfile implementation for Win32, based on a patch by

[qemu.git] / fpu / softfloat-native.c

diff --git a/fpu/softfloat-native.c b/fpu/softfloat-native.c
index 89c0842af5945f44036cc324a5088e28833702c4..c629926f88dbe8df93d7a9c23749ff1915c0beb0 100644 (file)
--- a/fpu/softfloat-native.c
+++ b/fpu/softfloat-native.c
@@ -6,7 +6,7 @@
 void set_float_rounding_mode(int val STATUS_PARAM)
 {
     STATUS(float_rounding_mode) = val;
-#if defined(_BSD) && !defined(__APPLE__)
+#if defined(_BSD) && !defined(__APPLE__) || (defined(HOST_SOLARIS) && HOST_SOLARIS < 10)
     fpsetround(val);
 #elif defined(__arm__)
     /* nothing to do */
@@ -22,9 +22,14 @@ void set_floatx80_rounding_precision(int val STATUS_PARAM)
 }
 #endif
 
-#if defined(_BSD)
+#if defined(_BSD) || (defined(HOST_SOLARIS) && HOST_SOLARIS < 10)
 #define lrint(d)               ((int32_t)rint(d))
 #define llrint(d)              ((int64_t)rint(d))
+#define lrintf(f)              ((int32_t)rint(f))
+#define llrintf(f)             ((int64_t)rint(f))
+#define sqrtf(f)               ((float)sqrt(f))
+#define remainderf(fa, fb)     ((float)remainder(fa, fb))
+#define rintf(f)               ((float)rint(f))
 #endif
 
 #if defined(__powerpc__)
@@ -54,11 +59,21 @@ float32 int32_to_float32(int v STATUS_PARAM)
     return (float32)v;
 }
 
+float32 uint32_to_float32(unsigned int v STATUS_PARAM)
+{
+    return (float32)v;
+}
+
 float64 int32_to_float64(int v STATUS_PARAM)
 {
     return (float64)v;
 }
 
+float64 uint32_to_float64(unsigned int v STATUS_PARAM)
+{
+    return (float64)v;
+}
+
 #ifdef FLOATX80
 floatx80 int32_to_floatx80(int v STATUS_PARAM)
 {
@@ -69,10 +84,18 @@ float32 int64_to_float32( int64_t v STATUS_PARAM)
 {
     return (float32)v;
 }
+float32 uint64_to_float32( uint64_t v STATUS_PARAM)
+{
+    return (float32)v;
+}
 float64 int64_to_float64( int64_t v STATUS_PARAM)
 {
     return (float64)v;
 }
+float64 uint64_to_float64( uint64_t v STATUS_PARAM)
+{
+    return (float64)v;
+}
 #ifdef FLOATX80
 floatx80 int64_to_floatx80( int64_t v STATUS_PARAM)
 {
@@ -80,12 +103,27 @@ 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)
 {
@@ -112,6 +150,37 @@ floatx80 float32_to_floatx80( float32 a STATUS_PARAM)
 }
 #endif
 
+unsigned int float32_to_uint32( float32 a STATUS_PARAM)
+{
+    int64_t v;
+    unsigned int res;
+
+    v = llrintf(a);
+    if (v < 0) {
+        res = 0;
+    } else if (v > 0xffffffff) {
+        res = 0xffffffff;
+    } else {
+        res = v;
+    }
+    return res;
+}
+unsigned int float32_to_uint32_round_to_zero( float32 a STATUS_PARAM)
+{
+    int64_t v;
+    unsigned int res;
+
+    v = (int64_t)a;
+    if (v < 0) {
+        res = 0;
+    } else if (v > 0xffffffff) {
+        res = 0xffffffff;
+    } else {
+        res = v;
+    }
+    return res;
+}
+
 /*----------------------------------------------------------------------------
 | Software IEC/IEEE single-precision operations.
 *----------------------------------------------------------------------------*/
@@ -129,7 +198,7 @@ float32 float32_sqrt( float32 a STATUS_PARAM)
 {
     return sqrtf(a);
 }
-char float32_compare( float32 a, float32 b STATUS_PARAM )
+int float32_compare( float32 a, float32 b STATUS_PARAM )
 {
     if (a < b) {
         return -1;
@@ -141,7 +210,7 @@ char float32_compare( float32 a, float32 b STATUS_PARAM )
         return 2;
     }
 }
-char float32_compare_quiet( float32 a, float32 b STATUS_PARAM )
+int float32_compare_quiet( float32 a, float32 b STATUS_PARAM )
 {
     if (isless(a, b)) {
         return -1;
@@ -153,7 +222,7 @@ char float32_compare_quiet( float32 a, float32 b STATUS_PARAM )
         return 2;
     }
 }
-char float32_is_signaling_nan( float32 a1)
+int float32_is_signaling_nan( float32 a1)
 {
     float32u u;
     uint32_t a;
@@ -167,7 +236,7 @@ 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)
 {
@@ -198,9 +267,67 @@ float128 float64_to_float128( float64 a STATUS_PARAM)
 }
 #endif
 
+unsigned int float64_to_uint32( float64 a STATUS_PARAM)
+{
+    int64_t v;
+    unsigned int res;
+
+    v = llrint(a);
+    if (v < 0) {
+        res = 0;
+    } else if (v > 0xffffffff) {
+        res = 0xffffffff;
+    } else {
+        res = v;
+    }
+    return res;
+}
+unsigned int float64_to_uint32_round_to_zero( float64 a STATUS_PARAM)
+{
+    int64_t v;
+    unsigned int res;
+
+    v = (int64_t)a;
+    if (v < 0) {
+        res = 0;
+    } else if (v > 0xffffffff) {
+        res = 0xffffffff;
+    } else {
+        res = v;
+    }
+    return res;
+}
+uint64_t float64_to_uint64 (float64 a STATUS_PARAM)
+{
+    int64_t v;
+
+    v = llrint(a + (float64)INT64_MIN);
+
+    return v - INT64_MIN;
+}
+uint64_t float64_to_uint64_round_to_zero (float64 a STATUS_PARAM)
+{
+    int64_t v;
+
+    v = (int64_t)(a + (float64)INT64_MIN);
+
+    return v - INT64_MIN;
+}
+
 /*----------------------------------------------------------------------------
 | Software IEC/IEEE double-precision operations.
 *----------------------------------------------------------------------------*/
+#if ( defined(__sun__) && ( HOST_SOLARIS < 10 ))
+static inline float64 trunc(float64 x)
+{
+    return x < 0 ? -floor(-x) : floor(x);
+}
+#endif
+float64 float64_trunc_to_int( float64 a STATUS_PARAM )
+{
+    return trunc(a);
+}
+
 float64 float64_round_to_int( float64 a STATUS_PARAM )
 {
 #if defined(__arm__)
@@ -233,7 +360,7 @@ float64 float64_sqrt( float64 a STATUS_PARAM)
 {
     return sqrt(a);
 }
-char float64_compare( float64 a, float64 b STATUS_PARAM )
+int float64_compare( float64 a, float64 b STATUS_PARAM )
 {
     if (a < b) {
         return -1;
@@ -245,7 +372,7 @@ char float64_compare( float64 a, float64 b STATUS_PARAM )
         return 2;
     }
 }
-char float64_compare_quiet( float64 a, float64 b STATUS_PARAM )
+int float64_compare_quiet( float64 a, float64 b STATUS_PARAM )
 {
     if (isless(a, b)) {
         return -1;
@@ -257,7 +384,7 @@ char float64_compare_quiet( float64 a, float64 b STATUS_PARAM )
         return 2;
     }
 }
-char float64_is_signaling_nan( float64 a1)
+int float64_is_signaling_nan( float64 a1)
 {
     float64u u;
     uint64_t a;
@@ -269,6 +396,17 @@ char float64_is_signaling_nan( float64 a1)
 
 }
 
+int float64_is_nan( float64 a1 )
+{
+    float64u u;
+    uint64_t a;
+    u.f = a1;
+    a = u.i;
+
+    return ( LIT64( 0xFFE0000000000000 ) < (bits64) ( a<<1 ) );
+
+}
+
 #ifdef FLOATX80
 
 /*----------------------------------------------------------------------------
@@ -276,7 +414,7 @@ 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)
 {
@@ -314,7 +452,7 @@ floatx80 floatx80_sqrt( floatx80 a STATUS_PARAM)
 {
     return sqrtl(a);
 }
-char floatx80_compare( floatx80 a, floatx80 b STATUS_PARAM )
+int floatx80_compare( floatx80 a, floatx80 b STATUS_PARAM )
 {
     if (a < b) {
         return -1;
@@ -326,7 +464,7 @@ char floatx80_compare( floatx80 a, floatx80 b STATUS_PARAM )
         return 2;
     }
 }
-char floatx80_compare_quiet( floatx80 a, floatx80 b STATUS_PARAM )
+int floatx80_compare_quiet( floatx80 a, floatx80 b STATUS_PARAM )
 {
     if (isless(a, b)) {
         return -1;
@@ -338,7 +476,7 @@ char floatx80_compare_quiet( floatx80 a, floatx80 b STATUS_PARAM )
         return 2;
     }
 }
-char floatx80_is_signaling_nan( floatx80 a1)
+int floatx80_is_signaling_nan( floatx80 a1)
 {
     floatx80u u;
     u.f = a1;