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1 | 158142c2 | bellard | /*============================================================================
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2 | 158142c2 | bellard | |
3 | 158142c2 | bellard | This C header file is part of the SoftFloat IEC/IEEE Floating-point Arithmetic
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4 | 158142c2 | bellard | Package, Release 2b.
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5 | 158142c2 | bellard | |
6 | 158142c2 | bellard | Written by John R. Hauser. This work was made possible in part by the
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7 | 158142c2 | bellard | International Computer Science Institute, located at Suite 600, 1947 Center
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8 | 158142c2 | bellard | Street, Berkeley, California 94704. Funding was partially provided by the
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9 | 158142c2 | bellard | National Science Foundation under grant MIP-9311980. The original version
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10 | 158142c2 | bellard | of this code was written as part of a project to build a fixed-point vector
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11 | 158142c2 | bellard | processor in collaboration with the University of California at Berkeley,
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12 | 158142c2 | bellard | overseen by Profs. Nelson Morgan and John Wawrzynek. More information
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13 | 158142c2 | bellard | is available through the Web page `http://www.cs.berkeley.edu/~jhauser/
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14 | 158142c2 | bellard | arithmetic/SoftFloat.html'.
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15 | 158142c2 | bellard | |
16 | 158142c2 | bellard | THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort has
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17 | 158142c2 | bellard | been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES
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18 | 158142c2 | bellard | RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS
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19 | 158142c2 | bellard | AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ALL LOSSES,
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20 | 158142c2 | bellard | COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE
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21 | 158142c2 | bellard | EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE
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22 | 158142c2 | bellard | INSTITUTE (possibly via similar legal warning) AGAINST ALL LOSSES, COSTS, OR
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23 | 158142c2 | bellard | OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE.
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24 | 158142c2 | bellard | |
25 | 158142c2 | bellard | Derivative works are acceptable, even for commercial purposes, so long as
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26 | 158142c2 | bellard | (1) the source code for the derivative work includes prominent notice that
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27 | 158142c2 | bellard | the work is derivative, and (2) the source code includes prominent notice with
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28 | 158142c2 | bellard | these four paragraphs for those parts of this code that are retained.
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29 | 158142c2 | bellard | |
30 | 158142c2 | bellard | =============================================================================*/
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31 | 158142c2 | bellard | |
32 | 158142c2 | bellard | #ifndef SOFTFLOAT_H
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33 | 158142c2 | bellard | #define SOFTFLOAT_H
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34 | 158142c2 | bellard | |
35 | 158142c2 | bellard | #include <inttypes.h> |
36 | 158142c2 | bellard | #include "config.h" |
37 | 158142c2 | bellard | |
38 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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39 | 158142c2 | bellard | | Each of the following `typedef's defines the most convenient type that holds
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40 | 158142c2 | bellard | | integers of at least as many bits as specified. For example, `uint8' should
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41 | 158142c2 | bellard | | be the most convenient type that can hold unsigned integers of as many as
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42 | 158142c2 | bellard | | 8 bits. The `flag' type must be able to hold either a 0 or 1. For most
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43 | 158142c2 | bellard | | implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
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44 | 158142c2 | bellard | | to the same as `int'.
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45 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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46 | 158142c2 | bellard | typedef char flag; |
47 | 158142c2 | bellard | typedef uint8_t uint8;
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48 | 158142c2 | bellard | typedef int8_t int8;
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49 | 158142c2 | bellard | typedef int uint16; |
50 | 158142c2 | bellard | typedef int int16; |
51 | 158142c2 | bellard | typedef unsigned int uint32; |
52 | 158142c2 | bellard | typedef signed int int32; |
53 | 158142c2 | bellard | typedef uint64_t uint64;
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54 | 158142c2 | bellard | typedef int64_t int64;
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55 | 158142c2 | bellard | |
56 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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57 | 158142c2 | bellard | | Each of the following `typedef's defines a type that holds integers
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58 | 158142c2 | bellard | | of _exactly_ the number of bits specified. For instance, for most
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59 | 158142c2 | bellard | | implementation of C, `bits16' and `sbits16' should be `typedef'ed to
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60 | 158142c2 | bellard | | `unsigned short int' and `signed short int' (or `short int'), respectively.
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61 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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62 | 158142c2 | bellard | typedef uint8_t bits8;
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63 | 158142c2 | bellard | typedef int8_t sbits8;
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64 | 158142c2 | bellard | typedef uint16_t bits16;
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65 | 158142c2 | bellard | typedef int16_t sbits16;
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66 | 158142c2 | bellard | typedef uint32_t bits32;
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67 | 158142c2 | bellard | typedef int32_t sbits32;
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68 | 158142c2 | bellard | typedef uint64_t bits64;
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69 | 158142c2 | bellard | typedef int64_t sbits64;
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70 | 158142c2 | bellard | |
71 | 158142c2 | bellard | #define LIT64( a ) a##LL |
72 | 158142c2 | bellard | #define INLINE static inline |
73 | 158142c2 | bellard | |
74 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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75 | 158142c2 | bellard | | The macro `FLOATX80' must be defined to enable the extended double-precision
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76 | 158142c2 | bellard | | floating-point format `floatx80'. If this macro is not defined, the
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77 | 158142c2 | bellard | | `floatx80' type will not be defined, and none of the functions that either
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78 | 158142c2 | bellard | | input or output the `floatx80' type will be defined. The same applies to
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79 | 158142c2 | bellard | | the `FLOAT128' macro and the quadruple-precision format `float128'.
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80 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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81 | 158142c2 | bellard | #ifdef CONFIG_SOFTFLOAT
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82 | 158142c2 | bellard | /* bit exact soft float support */
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83 | 158142c2 | bellard | #define FLOATX80
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84 | 158142c2 | bellard | #define FLOAT128
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85 | 158142c2 | bellard | #else
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86 | 158142c2 | bellard | /* native float support */
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87 | 158142c2 | bellard | #if (defined(__i386__) || defined(__x86_64__)) && !defined(_BSD)
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88 | 158142c2 | bellard | #define FLOATX80
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89 | 158142c2 | bellard | #endif
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90 | 158142c2 | bellard | #endif /* !CONFIG_SOFTFLOAT */ |
91 | 158142c2 | bellard | |
92 | 158142c2 | bellard | #define STATUS_PARAM , float_status *status
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93 | 158142c2 | bellard | #define STATUS(field) status->field
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94 | 158142c2 | bellard | #define STATUS_VAR , status
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95 | 158142c2 | bellard | |
96 | 1d6bda35 | bellard | /*----------------------------------------------------------------------------
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97 | 1d6bda35 | bellard | | Software IEC/IEEE floating-point ordering relations
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98 | 1d6bda35 | bellard | *----------------------------------------------------------------------------*/
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99 | 1d6bda35 | bellard | enum {
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100 | 1d6bda35 | bellard | float_relation_less = -1,
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101 | 1d6bda35 | bellard | float_relation_equal = 0,
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102 | 1d6bda35 | bellard | float_relation_greater = 1,
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103 | 1d6bda35 | bellard | float_relation_unordered = 2
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104 | 1d6bda35 | bellard | }; |
105 | 1d6bda35 | bellard | |
106 | 158142c2 | bellard | #ifdef CONFIG_SOFTFLOAT
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107 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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108 | 158142c2 | bellard | | Software IEC/IEEE floating-point types.
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109 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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110 | 158142c2 | bellard | typedef uint32_t float32;
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111 | 158142c2 | bellard | typedef uint64_t float64;
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112 | 158142c2 | bellard | #ifdef FLOATX80
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113 | 158142c2 | bellard | typedef struct { |
114 | 158142c2 | bellard | uint64_t low; |
115 | 158142c2 | bellard | uint16_t high; |
116 | 158142c2 | bellard | } floatx80; |
117 | 158142c2 | bellard | #endif
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118 | 158142c2 | bellard | #ifdef FLOAT128
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119 | 158142c2 | bellard | typedef struct { |
120 | 158142c2 | bellard | #ifdef WORDS_BIGENDIAN
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121 | 158142c2 | bellard | uint64_t high, low; |
122 | 158142c2 | bellard | #else
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123 | 158142c2 | bellard | uint64_t low, high; |
124 | 158142c2 | bellard | #endif
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125 | 158142c2 | bellard | } float128; |
126 | 158142c2 | bellard | #endif
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127 | 158142c2 | bellard | |
128 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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129 | 158142c2 | bellard | | Software IEC/IEEE floating-point underflow tininess-detection mode.
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130 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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131 | 158142c2 | bellard | enum {
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132 | 158142c2 | bellard | float_tininess_after_rounding = 0,
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133 | 158142c2 | bellard | float_tininess_before_rounding = 1
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134 | 158142c2 | bellard | }; |
135 | 158142c2 | bellard | |
136 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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137 | 158142c2 | bellard | | Software IEC/IEEE floating-point rounding mode.
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138 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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139 | 158142c2 | bellard | enum {
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140 | 158142c2 | bellard | float_round_nearest_even = 0,
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141 | 158142c2 | bellard | float_round_down = 1,
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142 | 158142c2 | bellard | float_round_up = 2,
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143 | 158142c2 | bellard | float_round_to_zero = 3
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144 | 158142c2 | bellard | }; |
145 | 158142c2 | bellard | |
146 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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147 | 158142c2 | bellard | | Software IEC/IEEE floating-point exception flags.
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148 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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149 | 158142c2 | bellard | enum {
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150 | 158142c2 | bellard | float_flag_invalid = 1,
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151 | 158142c2 | bellard | float_flag_divbyzero = 4,
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152 | 158142c2 | bellard | float_flag_overflow = 8,
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153 | 158142c2 | bellard | float_flag_underflow = 16,
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154 | 158142c2 | bellard | float_flag_inexact = 32
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155 | 158142c2 | bellard | }; |
156 | 158142c2 | bellard | |
157 | 158142c2 | bellard | typedef struct float_status { |
158 | 158142c2 | bellard | signed char float_detect_tininess; |
159 | 158142c2 | bellard | signed char float_rounding_mode; |
160 | 158142c2 | bellard | signed char float_exception_flags; |
161 | 158142c2 | bellard | #ifdef FLOATX80
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162 | 158142c2 | bellard | signed char floatx80_rounding_precision; |
163 | 158142c2 | bellard | #endif
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164 | 158142c2 | bellard | } float_status; |
165 | 158142c2 | bellard | |
166 | 158142c2 | bellard | void set_float_rounding_mode(int val STATUS_PARAM); |
167 | 1d6bda35 | bellard | void set_float_exception_flags(int val STATUS_PARAM); |
168 | 1d6bda35 | bellard | INLINE int get_float_exception_flags(float_status *status)
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169 | 1d6bda35 | bellard | { |
170 | 1d6bda35 | bellard | return STATUS(float_exception_flags);
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171 | 1d6bda35 | bellard | } |
172 | 158142c2 | bellard | #ifdef FLOATX80
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173 | 158142c2 | bellard | void set_floatx80_rounding_precision(int val STATUS_PARAM); |
174 | 158142c2 | bellard | #endif
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175 | 158142c2 | bellard | |
176 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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177 | 158142c2 | bellard | | Routine to raise any or all of the software IEC/IEEE floating-point
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178 | 158142c2 | bellard | | exception flags.
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179 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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180 | 158142c2 | bellard | void float_raise( signed char STATUS_PARAM); |
181 | 158142c2 | bellard | |
182 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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183 | 158142c2 | bellard | | Software IEC/IEEE integer-to-floating-point conversion routines.
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184 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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185 | 158142c2 | bellard | float32 int32_to_float32( int STATUS_PARAM );
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186 | 158142c2 | bellard | float64 int32_to_float64( int STATUS_PARAM );
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187 | 1d6bda35 | bellard | float32 uint32_to_float32( unsigned int STATUS_PARAM ); |
188 | 1d6bda35 | bellard | float64 uint32_to_float64( unsigned int STATUS_PARAM ); |
189 | 158142c2 | bellard | #ifdef FLOATX80
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190 | 158142c2 | bellard | floatx80 int32_to_floatx80( int STATUS_PARAM );
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191 | 158142c2 | bellard | #endif
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192 | 158142c2 | bellard | #ifdef FLOAT128
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193 | 158142c2 | bellard | float128 int32_to_float128( int STATUS_PARAM );
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194 | 158142c2 | bellard | #endif
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195 | 158142c2 | bellard | float32 int64_to_float32( int64_t STATUS_PARAM ); |
196 | 158142c2 | bellard | float64 int64_to_float64( int64_t STATUS_PARAM ); |
197 | 158142c2 | bellard | #ifdef FLOATX80
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198 | 158142c2 | bellard | floatx80 int64_to_floatx80( int64_t STATUS_PARAM ); |
199 | 158142c2 | bellard | #endif
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200 | 158142c2 | bellard | #ifdef FLOAT128
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201 | 158142c2 | bellard | float128 int64_to_float128( int64_t STATUS_PARAM ); |
202 | 158142c2 | bellard | #endif
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203 | 158142c2 | bellard | |
204 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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205 | 158142c2 | bellard | | Software IEC/IEEE single-precision conversion routines.
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206 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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207 | 158142c2 | bellard | int float32_to_int32( float32 STATUS_PARAM );
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208 | 158142c2 | bellard | int float32_to_int32_round_to_zero( float32 STATUS_PARAM );
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209 | 1d6bda35 | bellard | unsigned int float32_to_uint32( float32 STATUS_PARAM ); |
210 | 1d6bda35 | bellard | unsigned int float32_to_uint32_round_to_zero( float32 STATUS_PARAM ); |
211 | 158142c2 | bellard | int64_t float32_to_int64( float32 STATUS_PARAM ); |
212 | 158142c2 | bellard | int64_t float32_to_int64_round_to_zero( float32 STATUS_PARAM ); |
213 | 158142c2 | bellard | float64 float32_to_float64( float32 STATUS_PARAM ); |
214 | 158142c2 | bellard | #ifdef FLOATX80
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215 | 158142c2 | bellard | floatx80 float32_to_floatx80( float32 STATUS_PARAM ); |
216 | 158142c2 | bellard | #endif
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217 | 158142c2 | bellard | #ifdef FLOAT128
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218 | 158142c2 | bellard | float128 float32_to_float128( float32 STATUS_PARAM ); |
219 | 158142c2 | bellard | #endif
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220 | 158142c2 | bellard | |
221 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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222 | 158142c2 | bellard | | Software IEC/IEEE single-precision operations.
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223 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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224 | 158142c2 | bellard | float32 float32_round_to_int( float32 STATUS_PARAM ); |
225 | 158142c2 | bellard | float32 float32_add( float32, float32 STATUS_PARAM ); |
226 | 158142c2 | bellard | float32 float32_sub( float32, float32 STATUS_PARAM ); |
227 | 158142c2 | bellard | float32 float32_mul( float32, float32 STATUS_PARAM ); |
228 | 158142c2 | bellard | float32 float32_div( float32, float32 STATUS_PARAM ); |
229 | 158142c2 | bellard | float32 float32_rem( float32, float32 STATUS_PARAM ); |
230 | 158142c2 | bellard | float32 float32_sqrt( float32 STATUS_PARAM ); |
231 | 158142c2 | bellard | char float32_eq( float32, float32 STATUS_PARAM );
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232 | 158142c2 | bellard | char float32_le( float32, float32 STATUS_PARAM );
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233 | 158142c2 | bellard | char float32_lt( float32, float32 STATUS_PARAM );
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234 | 158142c2 | bellard | char float32_eq_signaling( float32, float32 STATUS_PARAM );
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235 | 158142c2 | bellard | char float32_le_quiet( float32, float32 STATUS_PARAM );
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236 | 158142c2 | bellard | char float32_lt_quiet( float32, float32 STATUS_PARAM );
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237 | 1d6bda35 | bellard | char float32_compare( float32, float32 STATUS_PARAM );
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238 | 1d6bda35 | bellard | char float32_compare_quiet( float32, float32 STATUS_PARAM );
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239 | 158142c2 | bellard | char float32_is_signaling_nan( float32 );
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240 | 158142c2 | bellard | |
241 | 1d6bda35 | bellard | INLINE float32 float32_abs(float32 a) |
242 | 1d6bda35 | bellard | { |
243 | 1d6bda35 | bellard | return a & 0x7fffffff; |
244 | 1d6bda35 | bellard | } |
245 | 1d6bda35 | bellard | |
246 | 1d6bda35 | bellard | INLINE float32 float32_chs(float32 a) |
247 | 1d6bda35 | bellard | { |
248 | 1d6bda35 | bellard | return a ^ 0x80000000; |
249 | 1d6bda35 | bellard | } |
250 | 1d6bda35 | bellard | |
251 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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252 | 158142c2 | bellard | | Software IEC/IEEE double-precision conversion routines.
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253 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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254 | 158142c2 | bellard | int float64_to_int32( float64 STATUS_PARAM );
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255 | 158142c2 | bellard | int float64_to_int32_round_to_zero( float64 STATUS_PARAM );
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256 | 1d6bda35 | bellard | unsigned int float64_to_uint32( float64 STATUS_PARAM ); |
257 | 1d6bda35 | bellard | unsigned int float64_to_uint32_round_to_zero( float64 STATUS_PARAM ); |
258 | 158142c2 | bellard | int64_t float64_to_int64( float64 STATUS_PARAM ); |
259 | 158142c2 | bellard | int64_t float64_to_int64_round_to_zero( float64 STATUS_PARAM ); |
260 | 158142c2 | bellard | float32 float64_to_float32( float64 STATUS_PARAM ); |
261 | 158142c2 | bellard | #ifdef FLOATX80
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262 | 158142c2 | bellard | floatx80 float64_to_floatx80( float64 STATUS_PARAM ); |
263 | 158142c2 | bellard | #endif
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264 | 158142c2 | bellard | #ifdef FLOAT128
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265 | 158142c2 | bellard | float128 float64_to_float128( float64 STATUS_PARAM ); |
266 | 158142c2 | bellard | #endif
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267 | 158142c2 | bellard | |
268 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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269 | 158142c2 | bellard | | Software IEC/IEEE double-precision operations.
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270 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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271 | 158142c2 | bellard | float64 float64_round_to_int( float64 STATUS_PARAM ); |
272 | 158142c2 | bellard | float64 float64_add( float64, float64 STATUS_PARAM ); |
273 | 158142c2 | bellard | float64 float64_sub( float64, float64 STATUS_PARAM ); |
274 | 158142c2 | bellard | float64 float64_mul( float64, float64 STATUS_PARAM ); |
275 | 158142c2 | bellard | float64 float64_div( float64, float64 STATUS_PARAM ); |
276 | 158142c2 | bellard | float64 float64_rem( float64, float64 STATUS_PARAM ); |
277 | 158142c2 | bellard | float64 float64_sqrt( float64 STATUS_PARAM ); |
278 | 158142c2 | bellard | char float64_eq( float64, float64 STATUS_PARAM );
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279 | 158142c2 | bellard | char float64_le( float64, float64 STATUS_PARAM );
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280 | 158142c2 | bellard | char float64_lt( float64, float64 STATUS_PARAM );
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281 | 158142c2 | bellard | char float64_eq_signaling( float64, float64 STATUS_PARAM );
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282 | 158142c2 | bellard | char float64_le_quiet( float64, float64 STATUS_PARAM );
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283 | 158142c2 | bellard | char float64_lt_quiet( float64, float64 STATUS_PARAM );
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284 | 1d6bda35 | bellard | char float64_compare( float64, float64 STATUS_PARAM );
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285 | 1d6bda35 | bellard | char float64_compare_quiet( float64, float64 STATUS_PARAM );
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286 | 158142c2 | bellard | char float64_is_signaling_nan( float64 );
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287 | 158142c2 | bellard | |
288 | 1d6bda35 | bellard | INLINE float64 float64_abs(float64 a) |
289 | 1d6bda35 | bellard | { |
290 | 1d6bda35 | bellard | return a & 0x7fffffffffffffffLL; |
291 | 1d6bda35 | bellard | } |
292 | 1d6bda35 | bellard | |
293 | 1d6bda35 | bellard | INLINE float64 float64_chs(float64 a) |
294 | 1d6bda35 | bellard | { |
295 | 1d6bda35 | bellard | return a ^ 0x8000000000000000LL; |
296 | 1d6bda35 | bellard | } |
297 | 1d6bda35 | bellard | |
298 | 158142c2 | bellard | #ifdef FLOATX80
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299 | 158142c2 | bellard | |
300 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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301 | 158142c2 | bellard | | Software IEC/IEEE extended double-precision conversion routines.
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302 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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303 | 158142c2 | bellard | int floatx80_to_int32( floatx80 STATUS_PARAM );
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304 | 158142c2 | bellard | int floatx80_to_int32_round_to_zero( floatx80 STATUS_PARAM );
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305 | 158142c2 | bellard | int64_t floatx80_to_int64( floatx80 STATUS_PARAM ); |
306 | 158142c2 | bellard | int64_t floatx80_to_int64_round_to_zero( floatx80 STATUS_PARAM ); |
307 | 158142c2 | bellard | float32 floatx80_to_float32( floatx80 STATUS_PARAM ); |
308 | 158142c2 | bellard | float64 floatx80_to_float64( floatx80 STATUS_PARAM ); |
309 | 158142c2 | bellard | #ifdef FLOAT128
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310 | 158142c2 | bellard | float128 floatx80_to_float128( floatx80 STATUS_PARAM ); |
311 | 158142c2 | bellard | #endif
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312 | 158142c2 | bellard | |
313 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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314 | 158142c2 | bellard | | Software IEC/IEEE extended double-precision operations.
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315 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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316 | 158142c2 | bellard | floatx80 floatx80_round_to_int( floatx80 STATUS_PARAM ); |
317 | 158142c2 | bellard | floatx80 floatx80_add( floatx80, floatx80 STATUS_PARAM ); |
318 | 158142c2 | bellard | floatx80 floatx80_sub( floatx80, floatx80 STATUS_PARAM ); |
319 | 158142c2 | bellard | floatx80 floatx80_mul( floatx80, floatx80 STATUS_PARAM ); |
320 | 158142c2 | bellard | floatx80 floatx80_div( floatx80, floatx80 STATUS_PARAM ); |
321 | 158142c2 | bellard | floatx80 floatx80_rem( floatx80, floatx80 STATUS_PARAM ); |
322 | 158142c2 | bellard | floatx80 floatx80_sqrt( floatx80 STATUS_PARAM ); |
323 | 158142c2 | bellard | char floatx80_eq( floatx80, floatx80 STATUS_PARAM );
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324 | 158142c2 | bellard | char floatx80_le( floatx80, floatx80 STATUS_PARAM );
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325 | 158142c2 | bellard | char floatx80_lt( floatx80, floatx80 STATUS_PARAM );
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326 | 158142c2 | bellard | char floatx80_eq_signaling( floatx80, floatx80 STATUS_PARAM );
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327 | 158142c2 | bellard | char floatx80_le_quiet( floatx80, floatx80 STATUS_PARAM );
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328 | 158142c2 | bellard | char floatx80_lt_quiet( floatx80, floatx80 STATUS_PARAM );
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329 | 158142c2 | bellard | char floatx80_is_signaling_nan( floatx80 );
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330 | 158142c2 | bellard | |
331 | 1d6bda35 | bellard | INLINE floatx80 floatx80_abs(floatx80 a) |
332 | 1d6bda35 | bellard | { |
333 | 1d6bda35 | bellard | a.high &= 0x7fff;
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334 | 1d6bda35 | bellard | return a;
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335 | 1d6bda35 | bellard | } |
336 | 1d6bda35 | bellard | |
337 | 1d6bda35 | bellard | INLINE floatx80 floatx80_chs(floatx80 a) |
338 | 1d6bda35 | bellard | { |
339 | 1d6bda35 | bellard | a.high ^= 0x8000;
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340 | 1d6bda35 | bellard | return a;
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341 | 1d6bda35 | bellard | } |
342 | 1d6bda35 | bellard | |
343 | 158142c2 | bellard | #endif
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344 | 158142c2 | bellard | |
345 | 158142c2 | bellard | #ifdef FLOAT128
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346 | 158142c2 | bellard | |
347 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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348 | 158142c2 | bellard | | Software IEC/IEEE quadruple-precision conversion routines.
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349 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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350 | 158142c2 | bellard | int float128_to_int32( float128 STATUS_PARAM );
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351 | 158142c2 | bellard | int float128_to_int32_round_to_zero( float128 STATUS_PARAM );
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352 | 158142c2 | bellard | int64_t float128_to_int64( float128 STATUS_PARAM ); |
353 | 158142c2 | bellard | int64_t float128_to_int64_round_to_zero( float128 STATUS_PARAM ); |
354 | 158142c2 | bellard | float32 float128_to_float32( float128 STATUS_PARAM ); |
355 | 158142c2 | bellard | float64 float128_to_float64( float128 STATUS_PARAM ); |
356 | 158142c2 | bellard | #ifdef FLOATX80
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357 | 158142c2 | bellard | floatx80 float128_to_floatx80( float128 STATUS_PARAM ); |
358 | 158142c2 | bellard | #endif
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359 | 158142c2 | bellard | |
360 | 158142c2 | bellard | /*----------------------------------------------------------------------------
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361 | 158142c2 | bellard | | Software IEC/IEEE quadruple-precision operations.
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362 | 158142c2 | bellard | *----------------------------------------------------------------------------*/
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363 | 158142c2 | bellard | float128 float128_round_to_int( float128 STATUS_PARAM ); |
364 | 158142c2 | bellard | float128 float128_add( float128, float128 STATUS_PARAM ); |
365 | 158142c2 | bellard | float128 float128_sub( float128, float128 STATUS_PARAM ); |
366 | 158142c2 | bellard | float128 float128_mul( float128, float128 STATUS_PARAM ); |
367 | 158142c2 | bellard | float128 float128_div( float128, float128 STATUS_PARAM ); |
368 | 158142c2 | bellard | float128 float128_rem( float128, float128 STATUS_PARAM ); |
369 | 158142c2 | bellard | float128 float128_sqrt( float128 STATUS_PARAM ); |
370 | 158142c2 | bellard | char float128_eq( float128, float128 STATUS_PARAM );
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371 | 158142c2 | bellard | char float128_le( float128, float128 STATUS_PARAM );
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372 | 158142c2 | bellard | char float128_lt( float128, float128 STATUS_PARAM );
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373 | 158142c2 | bellard | char float128_eq_signaling( float128, float128 STATUS_PARAM );
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374 | 158142c2 | bellard | char float128_le_quiet( float128, float128 STATUS_PARAM );
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375 | 158142c2 | bellard | char float128_lt_quiet( float128, float128 STATUS_PARAM );
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376 | 158142c2 | bellard | char float128_is_signaling_nan( float128 );
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377 | 158142c2 | bellard | |
378 | 1d6bda35 | bellard | INLINE float128 float128_abs(float128 a) |
379 | 1d6bda35 | bellard | { |
380 | 1d6bda35 | bellard | a.high &= 0x7fffffffffffffffLL;
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381 | 1d6bda35 | bellard | return a;
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382 | 1d6bda35 | bellard | } |
383 | 1d6bda35 | bellard | |
384 | 1d6bda35 | bellard | INLINE float128 float128_chs(float128 a) |
385 | 1d6bda35 | bellard | { |
386 | 1d6bda35 | bellard | a.high ^= 0x8000000000000000LL;
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387 | 1d6bda35 | bellard | return a;
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388 | 1d6bda35 | bellard | } |
389 | 1d6bda35 | bellard | |
390 | 158142c2 | bellard | #endif
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391 | 158142c2 | bellard | |
392 | 158142c2 | bellard | #else /* CONFIG_SOFTFLOAT */ |
393 | 158142c2 | bellard | |
394 | 158142c2 | bellard | #include "softfloat-native.h" |
395 | 158142c2 | bellard | |
396 | 158142c2 | bellard | #endif /* !CONFIG_SOFTFLOAT */ |
397 | 158142c2 | bellard | |
398 | 158142c2 | bellard | #endif /* !SOFTFLOAT_H */ |