Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 521 insertions, 0 deletions

diff --git a/src/recompiler/fpu/softfloat-native.c b/src/recompiler/fpu/softfloat-native.c
new file mode 100644
index 00000000..7c7820ab
--- /dev/null
+++ b/src/recompiler/fpu/softfloat-native.c
@@ -0,0 +1,521 @@
+/* Native implementation of soft float functions. Only a single status
+   context is supported */
+#include "softfloat.h"
+#include <math.h>
+#if defined(CONFIG_SOLARIS)
+#include <fenv.h>
+#endif
+
+void set_float_rounding_mode(int val STATUS_PARAM)
+{
+    STATUS(float_rounding_mode) = val;
+#if (defined(CONFIG_BSD) && !defined(__APPLE__) && !defined(__GLIBC__)) || \
+    (defined(CONFIG_SOLARIS) && (CONFIG_SOLARIS_VERSION < 10 || CONFIG_SOLARIS_VERSION == 11)) /* VBOX adds sol 11 */
+    fpsetround(val);
+#else
+    fesetround(val);
+#endif
+}
+
+#ifdef FLOATX80
+void set_floatx80_rounding_precision(int val STATUS_PARAM)
+{
+    STATUS(floatx80_rounding_precision) = val;
+}
+#endif
+
+#if defined(CONFIG_BSD) || \
+    (defined(CONFIG_SOLARIS) && CONFIG_SOLARIS_VERSION < 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))
+# if defined(VBOX) && defined(HOST_BSD) /* Some defines which only apply to *BSD */
+#  define lrintl(f)            ((int32_t)rint(f))
+#  define llrintl(f)           ((int64_t)rint(f))
+#  define rintl(d)             ((int32_t)rint(d))
+#  define sqrtl(f)             (sqrt(f))
+#  define remainderl(fa, fb)   (remainder(fa, fb))
+# endif /* VBOX && _BSD */
+#if !defined(__sparc__) && \
+    (defined(CONFIG_SOLARIS) && CONFIG_SOLARIS_VERSION < 10)
+extern long double rintl(long double);
+extern long double scalbnl(long double, int);
+
+long long
+llrintl(long double x) {
+	return ((long long) rintl(x));
+}
+
+long
+lrintl(long double x) {
+	return ((long) rintl(x));
+}
+
+long double
+ldexpl(long double x, int n) {
+	return (scalbnl(x, n));
+}
+#endif
+#endif
+
+#if defined(_ARCH_PPC)
+
+/* correct (but slow) PowerPC rint() (glibc version is incorrect) */
+static double qemu_rint(double x)
+{
+    double y = 4503599627370496.0;
+    if (fabs(x) >= y)
+        return x;
+    if (x < 0)
+        y = -y;
+    y = (x + y) - y;
+    if (y == 0.0)
+        y = copysign(y, x);
+    return y;
+}
+
+#define rint qemu_rint
+#endif
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE integer-to-floating-point conversion routines.
+*----------------------------------------------------------------------------*/
+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)
+{
+    return (floatx80)v;
+}
+#endif
+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)
+{
+    return (floatx80)v;
+}
+#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 long_to_int32(lrintf(a));
+}
+int float32_to_int32_round_to_zero( float32 a STATUS_PARAM)
+{
+    return (int)a;
+}
+int64_t float32_to_int64( float32 a STATUS_PARAM)
+{
+    return llrintf(a);
+}
+
+int64_t float32_to_int64_round_to_zero( float32 a STATUS_PARAM)
+{
+    return (int64_t)a;
+}
+
+float64 float32_to_float64( float32 a STATUS_PARAM)
+{
+    return a;
+}
+#ifdef FLOATX80
+floatx80 float32_to_floatx80( float32 a STATUS_PARAM)
+{
+    return a;
+}
+#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.
+*----------------------------------------------------------------------------*/
+float32 float32_round_to_int( float32 a STATUS_PARAM)
+{
+    return rintf(a);
+}
+
+float32 float32_rem( float32 a, float32 b STATUS_PARAM)
+{
+    return remainderf(a, b);
+}
+
+float32 float32_sqrt( float32 a STATUS_PARAM)
+{
+    return sqrtf(a);
+}
+int float32_compare( float32 a, float32 b STATUS_PARAM )
+{
+    if (a < b) {
+        return float_relation_less;
+    } else if (a == b) {
+        return float_relation_equal;
+    } else if (a > b) {
+        return float_relation_greater;
+    } else {
+        return float_relation_unordered;
+    }
+}
+int float32_compare_quiet( float32 a, float32 b STATUS_PARAM )
+{
+    if (isless(a, b)) {
+        return float_relation_less;
+    } else if (a == b) {
+        return float_relation_equal;
+    } else if (isgreater(a, b)) {
+        return float_relation_greater;
+    } else {
+        return float_relation_unordered;
+    }
+}
+int float32_is_signaling_nan( float32 a1)
+{
+    float32u u;
+    uint32_t a;
+    u.f = a1;
+    a = u.i;
+    return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF );
+}
+
+int float32_is_nan( float32 a1 )
+{
+    float32u u;
+    uint64_t a;
+    u.f = a1;
+    a = u.i;
+    return ( 0xFF800000 < ( a<<1 ) );
+}
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE double-precision conversion routines.
+*----------------------------------------------------------------------------*/
+int float64_to_int32( float64 a STATUS_PARAM)
+{
+    return long_to_int32(lrint(a));
+}
+int float64_to_int32_round_to_zero( float64 a STATUS_PARAM)
+{
+    return (int)a;
+}
+int64_t float64_to_int64( float64 a STATUS_PARAM)
+{
+    return llrint(a);
+}
+int64_t float64_to_int64_round_to_zero( float64 a STATUS_PARAM)
+{
+    return (int64_t)a;
+}
+float32 float64_to_float32( float64 a STATUS_PARAM)
+{
+    return a;
+}
+#ifdef FLOATX80
+floatx80 float64_to_floatx80( float64 a STATUS_PARAM)
+{
+    return a;
+}
+#endif
+#ifdef FLOAT128
+float128 float64_to_float128( float64 a STATUS_PARAM)
+{
+    return a;
+}
+#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__) && \
+    (defined(CONFIG_SOLARIS) && CONFIG_SOLARIS_VERSION < 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 )
+{
+    return rint(a);
+}
+
+float64 float64_rem( float64 a, float64 b STATUS_PARAM)
+{
+    return remainder(a, b);
+}
+
+float64 float64_sqrt( float64 a STATUS_PARAM)
+{
+    return sqrt(a);
+}
+int float64_compare( float64 a, float64 b STATUS_PARAM )
+{
+    if (a < b) {
+        return float_relation_less;
+    } else if (a == b) {
+        return float_relation_equal;
+    } else if (a > b) {
+        return float_relation_greater;
+    } else {
+        return float_relation_unordered;
+    }
+}
+int float64_compare_quiet( float64 a, float64 b STATUS_PARAM )
+{
+    if (isless(a, b)) {
+        return float_relation_less;
+    } else if (a == b) {
+        return float_relation_equal;
+    } else if (isgreater(a, b)) {
+        return float_relation_greater;
+    } else {
+        return float_relation_unordered;
+    }
+}
+int float64_is_signaling_nan( float64 a1)
+{
+    float64u u;
+    uint64_t a;
+    u.f = a1;
+    a = u.i;
+    return
+           ( ( ( a>>51 ) & 0xFFF ) == 0xFFE )
+        && ( a & LIT64( 0x0007FFFFFFFFFFFF ) );
+
+}
+
+int float64_is_nan( float64 a1 )
+{
+    float64u u;
+    uint64_t a;
+    u.f = a1;
+    a = u.i;
+
+    return ( LIT64( 0xFFF0000000000000 ) < (bits64) ( a<<1 ) );
+
+}
+
+#ifdef FLOATX80
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE extended double-precision conversion routines.
+*----------------------------------------------------------------------------*/
+int floatx80_to_int32( floatx80 a STATUS_PARAM)
+{
+    return long_to_int32(lrintl(a));
+}
+int floatx80_to_int32_round_to_zero( floatx80 a STATUS_PARAM)
+{
+    return (int)a;
+}
+int64_t floatx80_to_int64( floatx80 a STATUS_PARAM)
+{
+    return llrintl(a);
+}
+int64_t floatx80_to_int64_round_to_zero( floatx80 a STATUS_PARAM)
+{
+    return (int64_t)a;
+}
+float32 floatx80_to_float32( floatx80 a STATUS_PARAM)
+{
+    return a;
+}
+float64 floatx80_to_float64( floatx80 a STATUS_PARAM)
+{
+    return a;
+}
+
+/*----------------------------------------------------------------------------
+| Software IEC/IEEE extended double-precision operations.
+*----------------------------------------------------------------------------*/
+floatx80 floatx80_round_to_int( floatx80 a STATUS_PARAM)
+{
+    return rintl(a);
+}
+floatx80 floatx80_rem( floatx80 a, floatx80 b STATUS_PARAM)
+{
+    return remainderl(a, b);
+}
+floatx80 floatx80_sqrt( floatx80 a STATUS_PARAM)
+{
+    return sqrtl(a);
+}
+int floatx80_compare( floatx80 a, floatx80 b STATUS_PARAM )
+{
+    if (a < b) {
+        return float_relation_less;
+    } else if (a == b) {
+        return float_relation_equal;
+    } else if (a > b) {
+        return float_relation_greater;
+    } else {
+        return float_relation_unordered;
+    }
+}
+int floatx80_compare_quiet( floatx80 a, floatx80 b STATUS_PARAM )
+{
+    if (isless(a, b)) {
+        return float_relation_less;
+    } else if (a == b) {
+        return float_relation_equal;
+    } else if (isgreater(a, b)) {
+        return float_relation_greater;
+    } else {
+        return float_relation_unordered;
+    }
+}
+int floatx80_is_signaling_nan( floatx80 a1)
+{
+    floatx80u u;
+    uint64_t aLow;
+    u.f = a1;
+
+    aLow = u.i.low & ~ LIT64( 0x4000000000000000 );
+    return
+           ( ( u.i.high & 0x7FFF ) == 0x7FFF )
+        && (bits64) ( aLow<<1 )
+        && ( u.i.low == aLow );
+}
+
+int floatx80_is_nan( floatx80 a1 )
+{
+    floatx80u u;
+    u.f = a1;
+    return ( ( u.i.high & 0x7FFF ) == 0x7FFF ) && (bits64) ( u.i.low<<1 );
+}
+
+#endif