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1 | 00406dff | bellard | /*
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2 | 00406dff | bellard | -------------------------------------------------------------------------------
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3 | 00406dff | bellard | The macro `BITS64' can be defined to indicate that 64-bit integer types are
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4 | 00406dff | bellard | supported by the compiler.
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5 | 00406dff | bellard | -------------------------------------------------------------------------------
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6 | 00406dff | bellard | */
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7 | 00406dff | bellard | #define BITS64
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8 | 00406dff | bellard | |
9 | 00406dff | bellard | /*
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10 | 00406dff | bellard | -------------------------------------------------------------------------------
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11 | 00406dff | bellard | Each of the following `typedef's defines the most convenient type that holds
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12 | 00406dff | bellard | integers of at least as many bits as specified. For example, `uint8' should
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13 | 00406dff | bellard | be the most convenient type that can hold unsigned integers of as many as
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14 | 00406dff | bellard | 8 bits. The `flag' type must be able to hold either a 0 or 1. For most
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15 | 00406dff | bellard | implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
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16 | 00406dff | bellard | to the same as `int'.
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17 | 00406dff | bellard | -------------------------------------------------------------------------------
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18 | 00406dff | bellard | */
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19 | 00406dff | bellard | typedef char flag; |
20 | 00406dff | bellard | typedef unsigned char uint8; |
21 | 00406dff | bellard | typedef signed char int8; |
22 | 00406dff | bellard | typedef int uint16; |
23 | 00406dff | bellard | typedef int int16; |
24 | 00406dff | bellard | typedef unsigned int uint32; |
25 | 00406dff | bellard | typedef signed int int32; |
26 | 00406dff | bellard | #ifdef BITS64
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27 | 00406dff | bellard | typedef unsigned long long int bits64; |
28 | 00406dff | bellard | typedef signed long long int sbits64; |
29 | 00406dff | bellard | #endif
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30 | 00406dff | bellard | |
31 | 00406dff | bellard | /*
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32 | 00406dff | bellard | -------------------------------------------------------------------------------
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33 | 00406dff | bellard | Each of the following `typedef's defines a type that holds integers
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34 | 00406dff | bellard | of _exactly_ the number of bits specified. For instance, for most
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35 | 00406dff | bellard | implementation of C, `bits16' and `sbits16' should be `typedef'ed to
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36 | 00406dff | bellard | `unsigned short int' and `signed short int' (or `short int'), respectively.
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37 | 00406dff | bellard | -------------------------------------------------------------------------------
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38 | 00406dff | bellard | */
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39 | 00406dff | bellard | typedef unsigned char bits8; |
40 | 00406dff | bellard | typedef signed char sbits8; |
41 | 00406dff | bellard | typedef unsigned short int bits16; |
42 | 00406dff | bellard | typedef signed short int sbits16; |
43 | 00406dff | bellard | typedef unsigned int bits32; |
44 | 00406dff | bellard | typedef signed int sbits32; |
45 | 00406dff | bellard | #ifdef BITS64
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46 | 00406dff | bellard | typedef unsigned long long int uint64; |
47 | 00406dff | bellard | typedef signed long long int int64; |
48 | 00406dff | bellard | #endif
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49 | 00406dff | bellard | |
50 | 00406dff | bellard | #ifdef BITS64
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51 | 00406dff | bellard | /*
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52 | 00406dff | bellard | -------------------------------------------------------------------------------
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53 | 00406dff | bellard | The `LIT64' macro takes as its argument a textual integer literal and if
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54 | 00406dff | bellard | necessary ``marks'' the literal as having a 64-bit integer type. For
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55 | 00406dff | bellard | example, the Gnu C Compiler (`gcc') requires that 64-bit literals be
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56 | 00406dff | bellard | appended with the letters `LL' standing for `long long', which is `gcc's
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57 | 00406dff | bellard | name for the 64-bit integer type. Some compilers may allow `LIT64' to be
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58 | 00406dff | bellard | defined as the identity macro: `#define LIT64( a ) a'.
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59 | 00406dff | bellard | -------------------------------------------------------------------------------
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60 | 00406dff | bellard | */
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61 | 00406dff | bellard | #define LIT64( a ) a##LL |
62 | 00406dff | bellard | #endif
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63 | 00406dff | bellard | |
64 | 00406dff | bellard | /*
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65 | 00406dff | bellard | -------------------------------------------------------------------------------
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66 | 00406dff | bellard | The macro `INLINE' can be used before functions that should be inlined. If
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67 | 00406dff | bellard | a compiler does not support explicit inlining, this macro should be defined
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68 | 00406dff | bellard | to be `static'.
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69 | 00406dff | bellard | -------------------------------------------------------------------------------
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70 | 00406dff | bellard | */
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71 | 00406dff | bellard | #define INLINE extern __inline__ |
72 | 00406dff | bellard | |
73 | 00406dff | bellard | |
74 | 00406dff | bellard | /* For use as a GCC soft-float library we need some special function names. */
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75 | 00406dff | bellard | |
76 | 00406dff | bellard | #ifdef __LIBFLOAT__
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77 | 00406dff | bellard | |
78 | 00406dff | bellard | /* Some 32-bit ops can be mapped straight across by just changing the name. */
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79 | 00406dff | bellard | #define float32_add __addsf3
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80 | 00406dff | bellard | #define float32_sub __subsf3
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81 | 00406dff | bellard | #define float32_mul __mulsf3
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82 | 00406dff | bellard | #define float32_div __divsf3
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83 | 00406dff | bellard | #define int32_to_float32 __floatsisf
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84 | 00406dff | bellard | #define float32_to_int32_round_to_zero __fixsfsi
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85 | 00406dff | bellard | #define float32_to_uint32_round_to_zero __fixunssfsi
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86 | 00406dff | bellard | |
87 | 00406dff | bellard | /* These ones go through the glue code. To avoid namespace pollution
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88 | 00406dff | bellard | we rename the internal functions too. */
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89 | 00406dff | bellard | #define float32_eq ___float32_eq
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90 | 00406dff | bellard | #define float32_le ___float32_le
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91 | 00406dff | bellard | #define float32_lt ___float32_lt
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92 | 00406dff | bellard | |
93 | 00406dff | bellard | /* All the 64-bit ops have to go through the glue, so we pull the same
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94 | 00406dff | bellard | trick. */
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95 | 00406dff | bellard | #define float64_add ___float64_add
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96 | 00406dff | bellard | #define float64_sub ___float64_sub
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97 | 00406dff | bellard | #define float64_mul ___float64_mul
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98 | 00406dff | bellard | #define float64_div ___float64_div
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99 | 00406dff | bellard | #define int32_to_float64 ___int32_to_float64
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100 | 00406dff | bellard | #define float64_to_int32_round_to_zero ___float64_to_int32_round_to_zero
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101 | 00406dff | bellard | #define float64_to_uint32_round_to_zero ___float64_to_uint32_round_to_zero
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102 | 00406dff | bellard | #define float64_to_float32 ___float64_to_float32
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103 | 00406dff | bellard | #define float32_to_float64 ___float32_to_float64
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104 | 00406dff | bellard | #define float64_eq ___float64_eq
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105 | 00406dff | bellard | #define float64_le ___float64_le
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106 | 00406dff | bellard | #define float64_lt ___float64_lt
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107 | 00406dff | bellard | |
108 | 00406dff | bellard | #if 0
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109 | 00406dff | bellard | #define float64_add __adddf3
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110 | 00406dff | bellard | #define float64_sub __subdf3
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111 | 00406dff | bellard | #define float64_mul __muldf3
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112 | 00406dff | bellard | #define float64_div __divdf3
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113 | 00406dff | bellard | #define int32_to_float64 __floatsidf
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114 | 00406dff | bellard | #define float64_to_int32_round_to_zero __fixdfsi
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115 | 00406dff | bellard | #define float64_to_uint32_round_to_zero __fixunsdfsi
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116 | 00406dff | bellard | #define float64_to_float32 __truncdfsf2
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117 | 00406dff | bellard | #define float32_to_float64 __extendsfdf2
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118 | 00406dff | bellard | #endif
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119 | 00406dff | bellard | |
120 | 00406dff | bellard | #endif |