Changeset 85f2064 in mainline for uspace/lib/softfloat/include/sftypes.h

Timestamp:

2012-04-12T14:21:46Z (12 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

bb8f69d

Parents:

751cabc (diff), d11a181 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline changes

File:

• uspace/lib/softfloat/include/sftypes.h (modified) (1 diff)

uspace/lib/softfloat/include/sftypes.h

@@ -40 +40 @@
 #include <stdint.h>
 
-typedef union {
-        float f;
-        uint32_t binary;
-        
-        struct {
+/*
+ * For recognizing NaNs or infinity use specialized comparison
+ * functions, comparing with these constants is not sufficient.
+ */
+
+#define FLOAT32_NAN     UINT32_C(0x7FC00001)
+#define FLOAT32_SIGNAN  UINT32_C(0x7F800001)
+#define FLOAT32_INF     UINT32_C(0x7F800000)
+
+#define FLOAT64_NAN     UINT64_C(0x7FF8000000000001)
+#define FLOAT64_SIGNAN  UINT64_C(0x7FF0000000000001)
+#define FLOAT64_INF     UINT64_C(0x7FF0000000000000)
+
+#define FLOAT96_NAN_HI     UINT64_C(0x7FFF80000000)
+#define FLOAT96_NAN_LO     UINT32_C(0x00010000)
+#define FLOAT96_SIGNAN_HI  UINT64_C(0x7FFF00000000)
+#define FLOAT96_SIGNAN_LO  UINT32_C(0x00010000)
+
+#define FLOAT128_NAN_HI     UINT64_C(0x7FFF800000000000)
+#define FLOAT128_NAN_LO     UINT64_C(0x0000000000000001)
+#define FLOAT128_SIGNAN_HI  UINT64_C(0x7FFF000000000000)
+#define FLOAT128_SIGNAN_LO  UINT64_C(0x0000000000000001)
+#define FLOAT128_INF_HI     UINT64_C(0x7FFF000000000000)
+#define FLOAT128_INF_LO     UINT64_C(0x0000000000000000)
+
+#define FLOAT32_FRACTION_SIZE   23
+#define FLOAT64_FRACTION_SIZE   52
+#define FLOAT96_FRACTION_SIZE   64
+#define FLOAT128_FRACTION_SIZE  112
+#define FLOAT128_FRAC_HI_SIZE   48
+#define FLOAT128_FRAC_LO_SIZE   64
+
+#define FLOAT32_HIDDEN_BIT_MASK      UINT32_C(0x800000)
+#define FLOAT64_HIDDEN_BIT_MASK      UINT64_C(0x10000000000000)
+#define FLOAT128_HIDDEN_BIT_MASK_HI  UINT64_C(0x1000000000000)
+#define FLOAT128_HIDDEN_BIT_MASK_LO  UINT64_C(0x0000000000000000)
+
+#define FLOAT32_MAX_EXPONENT   0xFF
+#define FLOAT64_MAX_EXPONENT   0x7FF
+#define FLOAT96_MAX_EXPONENT   0x7FFF
+#define FLOAT128_MAX_EXPONENT  0x7FFF
+
+#define FLOAT32_BIAS   0x7F
+#define FLOAT64_BIAS   0x3FF
+#define FLOAT96_BIAS   0x3FFF
+#define FLOAT128_BIAS  0x3FFF
+
 #if defined(__BE__)
+
+typedef union {
+        uint32_t bin;
+        
+        struct {
                 uint32_t sign : 1;
                 uint32_t exp : 8;
                 uint32_t fraction : 23;
-#elif defined(__LE__)
-                uint32_t fraction : 23;
-                uint32_t exp : 8;
-                uint32_t sign : 1;
-#else
-        #error Unknown endianess
-#endif
-        } parts __attribute__ ((packed));
+        } parts __attribute__((packed));
 } float32;
 
 typedef union {
-        double d;
-        uint64_t binary;
-        
-        struct {
-#if defined(__BE__)
+        uint64_t bin;
+        
+        struct {
                 uint64_t sign : 1;
                 uint64_t exp : 11;
                 uint64_t fraction : 52;
-#elif defined(__LE__)
-                uint64_t fraction : 52;
-                uint64_t exp : 11;
+        } parts __attribute__((packed));
+} float64;
+
+typedef union {
+        struct {
+                uint64_t hi;
+                uint32_t lo;
+        } bin __attribute__((packed));
+        
+        struct {
+                uint64_t padding : 16;
                 uint64_t sign : 1;
-#else
-        #error Unknown endianess
-#endif
-        } parts __attribute__ ((packed));
-} float64;
-
-typedef union {
-        long double ld;
-        struct {
-#if defined(__BE__)
+                uint64_t exp : 15;
+                uint64_t fraction : 64;
+        } parts __attribute__((packed));
+} float96;
+
+typedef union {
+        struct {
                 uint64_t hi;
                 uint64_t lo;
-#elif defined(__LE__)
-                uint64_t lo;
-                uint64_t hi;
-#else
-        #error Unknown endianess
-#endif
-        } binary;
-
-        struct {
-#if defined(__BE__)
+        } bin __attribute__((packed));
+        
+        struct {
                 uint64_t sign : 1;
                 uint64_t exp : 15;
                 uint64_t frac_hi : 48;
                 uint64_t frac_lo : 64;
+        } parts __attribute__((packed));
+} float128;
+
 #elif defined(__LE__)
+
+typedef union {
+        uint32_t bin;
+        
+        struct {
+                uint32_t fraction : 23;
+                uint32_t exp : 8;
+                uint32_t sign : 1;
+        } parts __attribute__((packed));
+} float32;
+
+typedef union {
+        uint64_t bin;
+        
+        struct {
+                uint64_t fraction : 52;
+                uint64_t exp : 11;
+                uint64_t sign : 1;
+        } parts __attribute__((packed));
+} float64;
+
+typedef union {
+        struct {
+                uint32_t lo;
+                uint64_t hi;
+        } bin __attribute__((packed));
+        
+        struct {
+                uint64_t fraction : 64;
+                uint64_t exp : 15;
+                uint64_t sign : 1;
+                uint64_t padding : 16;
+        } parts __attribute__((packed));
+} float96;
+
+typedef union {
+        struct {
+                uint64_t lo;
+                uint64_t hi;
+        } bin __attribute__((packed));
+        
+        struct {
                 uint64_t frac_lo : 64;
                 uint64_t frac_hi : 48;
                 uint64_t exp : 15;
                 uint64_t sign : 1;
+        } parts __attribute__((packed));
+} float128;
+
 #else
         #error Unknown endianess
 #endif
-        } parts __attribute__ ((packed));
-} float128;
-
-/*
- * For recognizing NaNs or infinity use specialized comparison functions,
- * comparing with these constants is not sufficient.
- */
-
-#define FLOAT32_NAN     0x7FC00001
-#define FLOAT32_SIGNAN  0x7F800001
-#define FLOAT32_INF     0x7F800000
-
-#define FLOAT64_NAN     0x7FF8000000000001ll
-#define FLOAT64_SIGNAN  0x7FF0000000000001ll
-#define FLOAT64_INF     0x7FF0000000000000ll
-
-#define FLOAT128_NAN_HI     0x7FFF800000000000ll
-#define FLOAT128_NAN_LO     0x0000000000000001ll
-#define FLOAT128_SIGNAN_HI  0x7FFF000000000000ll
-#define FLOAT128_SIGNAN_LO  0x0000000000000001ll
-#define FLOAT128_INF_HI     0x7FFF000000000000ll
-#define FLOAT128_INF_LO     0x0000000000000000ll
-
-#define FLOAT32_FRACTION_SIZE   23
-#define FLOAT64_FRACTION_SIZE   52
-#define FLOAT128_FRACTION_SIZE 112
-#define FLOAT128_FRAC_HI_SIZE   48
-#define FLOAT128_FRAC_LO_SIZE   64
-
-#define FLOAT32_HIDDEN_BIT_MASK      0x800000
-#define FLOAT64_HIDDEN_BIT_MASK      0x10000000000000ll
-#define FLOAT128_HIDDEN_BIT_MASK_HI  0x1000000000000ll
-#define FLOAT128_HIDDEN_BIT_MASK_LO  0x0000000000000000ll
-
-#define FLOAT32_MAX_EXPONENT  0xFF
-#define FLOAT64_MAX_EXPONENT  0x7FF
-#define FLOAT128_MAX_EXPONENT 0x7FFF
-
-#define FLOAT32_BIAS  0x7F
-#define FLOAT64_BIAS  0x3FF
-#define FLOAT80_BIAS  0x3FFF
-#define FLOAT128_BIAS 0x3FFF
+
+typedef union {
+        float val;
+        
+#if defined(FLOAT_SIZE_32)
+        float32 data;
+#elif defined(FLOAT_SIZE_64)
+        float64 data;
+#elif defined(FLOAT_SIZE_96)
+        float96 data;
+#elif defined(FLOAT_SIZE_128)
+        float128 data;
+#else
+        #error Unsupported float size
+#endif
+} float_t;
+
+typedef union {
+        double val;
+        
+#if defined(DOUBLE_SIZE_32)
+        float32 data;
+#elif defined(DOUBLE_SIZE_64)
+        float64 data;
+#elif defined(DOUBLE_SIZE_96)
+        float96 data;
+#elif defined(DOUBLE_SIZE_128)
+        float128 data;
+#else
+        #error Unsupported double size
+#endif
+} double_t;
+
+typedef union {
+        long double val;
+        
+#if defined(LONG_DOUBLE_SIZE_32)
+        float32 data;
+#elif defined(LONG_DOUBLE_SIZE_64)
+        float64 data;
+#elif defined(LONG_DOUBLE_SIZE_96)
+        float96 data;
+#elif defined(LONG_DOUBLE_SIZE_128)
+        float128 data;
+#else
+        #error Unsupported long double size
+#endif
+} long_double_t;
+
+
+#if defined(INT_SIZE_8)
+
+#define _to_int   _to_int8
+#define from_int  int8
+
+#elif defined(INT_SIZE_16)
+
+#define _to_int   _to_int16
+#define from_int  int16
+
+#elif defined(INT_SIZE_32)
+
+#define _to_int   _to_int32
+#define from_int  int32
+
+#elif defined(INT_SIZE_64)
+
+#define _to_int   _to_int64
+#define from_int  int64
+
+#endif
+
+
+#if defined(UINT_SIZE_8)
+
+#define _to_uint   _to_uint8
+#define from_uint  uint8
+
+#elif defined(UINT_SIZE_16)
+
+#define _to_uint   _to_uint16
+#define from_uint  uint16
+
+#elif defined(UINT_SIZE_32)
+
+#define _to_uint   _to_uint32
+#define from_uint  uint32
+
+#elif defined(UINT_SIZE_64)
+
+#define _to_uint   _to_uint64
+#define from_uint  uint64
+
+#endif
+
+
+#if defined(LONG_SIZE_8)
+
+#define _to_long   _to_int8
+#define from_long  int8
+
+#elif defined(LONG_SIZE_16)
+
+#define _to_long   _to_int16
+#define from_long  int16
+
+#elif defined(LONG_SIZE_32)
+
+#define _to_long   _to_int32
+#define from_long  int32
+
+#elif defined(LONG_SIZE_64)
+
+#define _to_long   _to_int64
+#define from_long  int64
+
+#endif
+
+
+#if defined(ULONG_SIZE_8)
+
+#define _to_ulong   _to_uint8
+#define from_ulong  uint8
+
+#elif defined(ULONG_SIZE_16)
+
+#define _to_ulong   _to_uint16
+#define from_ulong  uint16
+
+#elif defined(ULONG_SIZE_32)
+
+#define _to_ulong   _to_uint32
+#define from_ulong  uint32
+
+#elif defined(ULONG_SIZE_64)
+
+#define _to_ulong   _to_uint64
+#define from_ulong  uint64
+
+#endif
+
+
+#if defined(LLONG_SIZE_8)
+
+#define _to_llong   _to_int8
+#define from_llong  int8
+
+#elif defined(LLONG_SIZE_16)
+
+#define _to_llong   _to_int16
+#define from_llong  int16
+
+#elif defined(LLONG_SIZE_32)
+
+#define _to_llong   _to_int32
+#define from_llong  int32
+
+#elif defined(LLONG_SIZE_64)
+
+#define _to_llong   _to_int64
+#define from_llong  int64
+
+#endif
+
+
+#if defined(ULLONG_SIZE_8)
+
+#define _to_ullong   _to_uint8
+#define from_ullong  uint8
+
+#elif defined(ULLONG_SIZE_16)
+
+#define _to_ullong   _to_uint16
+#define from_ullong  uint16
+
+#elif defined(ULLONG_SIZE_32)
+
+#define _to_ullong   _to_uint32
+#define from_ullong  uint32
+
+#elif defined(ULLONG_SIZE_64)
+
+#define _to_ullong   _to_uint64
+#define from_ullong  uint64
+
+#endif
+
+
+#if defined(FLOAT_SIZE_32)
+
+#define add_float     add_float32
+#define sub_float     sub_float32
+#define mul_float     mul_float32
+#define div_float     div_float32
+#define _to_float     _to_float32
+#define from_float    float32
+#define is_float_nan  is_float32_nan
+#define is_float_eq   is_float32_eq
+#define is_float_lt   is_float32_lt
+#define is_float_gt   is_float32_gt
+
+#elif defined(FLOAT_SIZE_64)
+
+#define add_float     add_float64
+#define sub_float     sub_float64
+#define mul_float     mul_float64
+#define div_float     div_float64
+#define _to_float     _to_float64
+#define from_float    float64
+#define is_float_nan  is_float64_nan
+#define is_float_eq   is_float64_eq
+#define is_float_lt   is_float64_lt
+#define is_float_gt   is_float64_gt
+
+#elif defined(FLOAT_SIZE_96)
+
+#define add_float     add_float96
+#define sub_float     sub_float96
+#define mul_float     mul_float96
+#define div_float     div_float96
+#define _to_float     _to_float96
+#define from_float    float96
+#define is_float_nan  is_float96_nan
+#define is_float_eq   is_float96_eq
+#define is_float_lt   is_float96_lt
+#define is_float_gt   is_float96_gt
+
+#elif defined(FLOAT_SIZE_128)
+
+#define add_float     add_float128
+#define sub_float     sub_float128
+#define mul_float     mul_float128
+#define div_float     div_float128
+#define _to_float     _to_float128
+#define from_float    float128
+#define is_float_nan  is_float128_nan
+#define is_float_eq   is_float128_eq
+#define is_float_lt   is_float128_lt
+#define is_float_gt   is_float128_gt
+
+#endif
+
+
+#if defined(DOUBLE_SIZE_32)
+
+#define add_double     add_float32
+#define sub_double     sub_float32
+#define mul_double     mul_float32
+#define div_double     div_float32
+#define _to_double     _to_float32
+#define from_double    float32
+#define is_double_nan  is_float32_nan
+#define is_double_eq   is_float32_eq
+#define is_double_lt   is_float32_lt
+#define is_double_gt   is_float32_gt
+
+#elif defined(DOUBLE_SIZE_64)
+
+#define add_double     add_float64
+#define sub_double     sub_float64
+#define mul_double     mul_float64
+#define div_double     div_float64
+#define _to_double     _to_float64
+#define from_double    float64
+#define is_double_nan  is_float64_nan
+#define is_double_eq   is_float64_eq
+#define is_double_lt   is_float64_lt
+#define is_double_gt   is_float64_gt
+
+#elif defined(DOUBLE_SIZE_96)
+
+#define add_double     add_float96
+#define sub_double     sub_float96
+#define mul_double     mul_float96
+#define div_double     div_float96
+#define _to_double     _to_float96
+#define from_double    float96
+#define is_double_nan  is_float96_nan
+#define is_double_eq   is_float96_eq
+#define is_double_lt   is_float96_lt
+#define is_double_gt   is_float96_gt
+
+#elif defined(DOUBLE_SIZE_128)
+
+#define add_double     add_float128
+#define sub_double     sub_float128
+#define mul_double     mul_float128
+#define div_double     div_float128
+#define _to_double     _to_float128
+#define from_double    float128
+#define is_double_nan  is_float128_nan
+#define is_double_eq   is_float128_eq
+#define is_double_lt   is_float128_lt
+#define is_double_gt   is_float128_gt
+
+#endif
+
+
+#if defined(LONG_DOUBLE_SIZE_32)
+
+#define add_long_double     add_float32
+#define sub_long_double     sub_float32
+#define mul_long_double     mul_float32
+#define div_long_double     div_float32
+#define _to_long_double     _to_float32
+#define from_long_double    float32
+#define is_long_double_nan  is_float32_nan
+#define is_long_double_eq   is_float32_eq
+#define is_long_double_lt   is_float32_lt
+#define is_long_double_gt   is_float32_gt
+
+#elif defined(LONG_DOUBLE_SIZE_64)
+
+#define add_long_double     add_float64
+#define sub_long_double     sub_float64
+#define mul_long_double     mul_float64
+#define div_long_double     div_float64
+#define _to_long_double     _to_float64
+#define from_long_double    float64
+#define is_long_double_nan  is_float64_nan
+#define is_long_double_eq   is_float64_eq
+#define is_long_double_lt   is_float64_lt
+#define is_long_double_gt   is_float64_gt
+
+#elif defined(LONG_DOUBLE_SIZE_96)
+
+#define add_long_double     add_float96
+#define sub_long_double     sub_float96
+#define mul_long_double     mul_float96
+#define div_long_double     div_float96
+#define _to_long_double     _to_float96
+#define from_long_double    float96
+#define is_long_double_nan  is_float96_nan
+#define is_long_double_eq   is_float96_eq
+#define is_long_double_lt   is_float96_lt
+#define is_long_double_gt   is_float96_gt
+
+#elif defined(LONG_DOUBLE_SIZE_128)
+
+#define add_long_double     add_float128
+#define sub_long_double     sub_float128
+#define mul_long_double     mul_float128
+#define div_long_double     div_float128
+#define _to_long_double     _to_float128
+#define from_long_double    float128
+#define is_long_double_nan  is_float128_nan
+#define is_long_double_eq   is_float128_eq
+#define is_long_double_lt   is_float128_lt
+#define is_long_double_gt   is_float128_gt
+
+#endif
+
+
+#define CONCAT(a, b)       CONCAT_ARGS(a, b)
+#define CONCAT_ARGS(a, b)  a ## b
+
+#define float32_to_float32(arg)    (arg)
+#define float64_to_float64(arg)    (arg)
+#define float96_to_float96(arg)    (arg)
+#define float128_to_float128(arg)  (arg)
+
+#define float_to_double       CONCAT(from_float, _to_double)
+#define float_to_long_double  CONCAT(from_float, _to_long_double)
+#define float_to_int          CONCAT(from_float, _to_int)
+#define float_to_uint         CONCAT(from_float, _to_uint)
+#define float_to_long         CONCAT(from_float, _to_long)
+#define float_to_ulong        CONCAT(from_float, _to_ulong)
+#define float_to_llong        CONCAT(from_float, _to_llong)
+#define float_to_ullong       CONCAT(from_float, _to_ullong)
+
+#define double_to_float        CONCAT(from_double, _to_float)
+#define double_to_long_double  CONCAT(from_double, _to_long_double)
+#define double_to_int          CONCAT(from_double, _to_int)
+#define double_to_uint         CONCAT(from_double, _to_uint)
+#define double_to_long         CONCAT(from_double, _to_long)
+#define double_to_ulong        CONCAT(from_double, _to_ulong)
+#define double_to_llong        CONCAT(from_double, _to_llong)
+#define double_to_ullong       CONCAT(from_double, _to_ullong)
+
+#define long_double_to_float   CONCAT(from_long_double, _to_float)
+#define long_double_to_double  CONCAT(from_long_double, _to_double)
+#define long_double_to_int     CONCAT(from_long_double, _to_int)
+#define long_double_to_uint    CONCAT(from_long_double, _to_uint)
+#define long_double_to_long    CONCAT(from_long_double, _to_long)
+#define long_double_to_ulong   CONCAT(from_long_double, _to_ulong)
+#define long_double_to_llong   CONCAT(from_long_double, _to_llong)
+#define long_double_to_ullong  CONCAT(from_long_double, _to_ullong)
+
+#define int_to_float        CONCAT(from_int, _to_float)
+#define int_to_double       CONCAT(from_int, _to_double)
+#define int_to_long_double  CONCAT(from_int, _to_long_double)
+
+#define uint_to_float        CONCAT(from_uint, _to_float)
+#define uint_to_double       CONCAT(from_uint, _to_double)
+#define uint_to_long_double  CONCAT(from_uint, _to_long_double)
+
+#define long_to_float        CONCAT(from_long, _to_float)
+#define long_to_double       CONCAT(from_long, _to_double)
+#define long_to_long_double  CONCAT(from_long, _to_long_double)
+
+#define ulong_to_float        CONCAT(from_ulong, _to_float)
+#define ulong_to_double       CONCAT(from_ulong, _to_double)
+#define ulong_to_long_double  CONCAT(from_ulong, _to_long_double)
+
+#define llong_to_float        CONCAT(from_llong, _to_float)
+#define llong_to_double       CONCAT(from_llong, _to_double)
+#define llong_to_long_double  CONCAT(from_llong, _to_long_double)
+
+#define ullong_to_float        CONCAT(from_ullong, _to_float)
+#define ullong_to_double       CONCAT(from_ullong, _to_double)
+#define ullong_to_long_double  CONCAT(from_ullong, _to_long_double)
+
 
 #endif