ArmPkg/Library/ArmSoftFloatLib/softfloat-for-gcc.h

   1 /* $NetBSD: softfloat-for-gcc.h,v 1.12 2013/08/01 23:21:19 matt Exp $ */
   2 /*-
   3  * Copyright (c) 2008 The NetBSD Foundation, Inc.
   4  * All rights reserved.
   5  *
   6  * This code is derived from software contributed to The NetBSD Foundation
   7  * by
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 /*
  32  * Move private identifiers with external linkage into implementation
  33  * namespace.  -- Klaus Klein <kleink@NetBSD.org>, May 5, 1999
  34  */
  35 #define float_exception_flags   _softfloat_float_exception_flags
  36 #define float_exception_mask    _softfloat_float_exception_mask
  37 #define float_rounding_mode     _softfloat_float_rounding_mode
  38 #define float_raise             _softfloat_float_raise
  39
  40 /* The following batch are called by GCC through wrappers */
  41 #define float32_eq      _softfloat_float32_eq
  42 #define float32_le      _softfloat_float32_le
  43 #define float32_lt      _softfloat_float32_lt
  44 #define float64_eq      _softfloat_float64_eq
  45 #define float64_le      _softfloat_float64_le
  46 #define float64_lt      _softfloat_float64_lt
  47 #define float128_eq     _softfloat_float128_eq
  48 #define float128_le     _softfloat_float128_le
  49 #define float128_lt     _softfloat_float128_lt
  50
  51 /*
  52  * Macros to define functions with the GCC expected names
  53  */
  54
  55 #define float32_add         __addsf3
  56 #define float64_add         __adddf3
  57 #define floatx80_add        __addxf3
  58 #define float128_add        __addtf3
  59
  60 #define float32_sub         __subsf3
  61 #define float64_sub         __subdf3
  62 #define floatx80_sub        __subxf3
  63 #define float128_sub        __subtf3
  64
  65 #define float32_mul         __mulsf3
  66 #define float64_mul         __muldf3
  67 #define floatx80_mul        __mulxf3
  68 #define float128_mul        __multf3
  69
  70 #define float32_div         __divsf3
  71 #define float64_div         __divdf3
  72 #define floatx80_div        __divxf3
  73 #define float128_div        __divtf3
  74
  75 #if 0
  76 #define float32_neg         __negsf2
  77 #define float64_neg         __negdf2
  78 #define floatx80_neg        __negxf2
  79 #define float128_neg        __negtf2
  80 #endif
  81
  82 #define int32_to_float32        __floatsisf
  83 #define int32_to_float64        __floatsidf
  84 #define int32_to_floatx80       __floatsixf
  85 #define int32_to_float128       __floatsitf
  86
  87 #define int64_to_float32        __floatdisf
  88 #define int64_to_float64        __floatdidf
  89 #define int64_to_floatx80       __floatdixf
  90 #define int64_to_float128       __floatditf
  91
  92 #define int128_to_float32       __floattisf
  93 #define int128_to_float64       __floattidf
  94 #define int128_to_floatx80      __floattixf
  95 #define int128_to_float128      __floattitf
  96
  97 #define uint32_to_float32       __floatunsisf
  98 #define uint32_to_float64       __floatunsidf
  99 #define uint32_to_floatx80      __floatunsixf
 100 #define uint32_to_float128      __floatunsitf
 101
 102 #define uint64_to_float32       __floatundisf
 103 #define uint64_to_float64       __floatundidf
 104 #define uint64_to_floatx80      __floatundixf
 105 #define uint64_to_float128      __floatunditf
 106
 107 #define uint128_to_float32      __floatuntisf
 108 #define uint128_to_float64      __floatuntidf
 109 #define uint128_to_floatx80     __floatuntixf
 110 #define uint128_to_float128     __floatuntitf
 111
 112 #define float32_to_int32_round_to_zero   __fixsfsi
 113 #define float64_to_int32_round_to_zero   __fixdfsi
 114 #define floatx80_to_int32_round_to_zero  __fixxfsi
 115 #define float128_to_int32_round_to_zero  __fixtfsi
 116
 117 #define float32_to_int64_round_to_zero   __fixsfdi
 118 #define float64_to_int64_round_to_zero   __fixdfdi
 119 #define floatx80_to_int64_round_to_zero  __fixxfdi
 120 #define float128_to_int64_round_to_zero  __fixtfdi
 121
 122 #define float32_to_int128_round_to_zero  __fixsfti
 123 #define float64_to_int128_round_to_zero  __fixdfti
 124 #define floatx80_to_int128_round_to_zero __fixxfti
 125 #define float128_to_int128_round_to_zero __fixtfti
 126
 127 #define float32_to_uint32_round_to_zero     __fixunssfsi
 128 #define float64_to_uint32_round_to_zero     __fixunsdfsi
 129 #define floatx80_to_uint32_round_to_zero    __fixunsxfsi
 130 #define float128_to_uint32_round_to_zero    __fixunstfsi
 131
 132 #define float32_to_uint64_round_to_zero     __fixunssfdi
 133 #define float64_to_uint64_round_to_zero     __fixunsdfdi
 134 #define floatx80_to_uint64_round_to_zero    __fixunsxfdi
 135 #define float128_to_uint64_round_to_zero    __fixunstfdi
 136
 137 #define float32_to_uint128_round_to_zero    __fixunssfti
 138 #define float64_to_uint128_round_to_zero    __fixunsdfti
 139 #define floatx80_to_uint128_round_to_zero   __fixunsxfti
 140 #define float128_to_uint128_round_to_zero   __fixunstfti
 141
 142 #define float32_to_float64      __extendsfdf2
 143 #define float32_to_floatx80     __extendsfxf2
 144 #define float32_to_float128     __extendsftf2
 145 #define float64_to_floatx80     __extenddfxf2
 146 #define float64_to_float128     __extenddftf2
 147
 148 #define float128_to_float64     __trunctfdf2
 149 #define floatx80_to_float64     __truncxfdf2
 150 #define float128_to_float32     __trunctfsf2
 151 #define floatx80_to_float32     __truncxfsf2
 152 #define float64_to_float32      __truncdfsf2
 153
 154 #if 0
 155 #define float32_cmp         __cmpsf2
 156 #define float32_unord       __unordsf2
 157 #define float32_eq          __eqsf2
 158 #define float32_ne          __nesf2
 159 #define float32_ge          __gesf2
 160 #define float32_lt          __ltsf2
 161 #define float32_le          __lesf2
 162 #define float32_gt          __gtsf2
 163 #endif
 164
 165 #if 0
 166 #define float64_cmp         __cmpdf2
 167 #define float64_unord       __unorddf2
 168 #define float64_eq          __eqdf2
 169 #define float64_ne          __nedf2
 170 #define float64_ge          __gedf2
 171 #define float64_lt          __ltdf2
 172 #define float64_le          __ledf2
 173 #define float64_gt          __gtdf2
 174 #endif
 175
 176 /* XXX not in libgcc */
 177 #if 1
 178 #define floatx80_cmp        __cmpxf2
 179 #define floatx80_unord      __unordxf2
 180 #define floatx80_eq         __eqxf2
 181 #define floatx80_ne         __nexf2
 182 #define floatx80_ge         __gexf2
 183 #define floatx80_lt         __ltxf2
 184 #define floatx80_le         __lexf2
 185 #define floatx80_gt         __gtxf2
 186 #endif
 187
 188 #if 0
 189 #define float128_cmp        __cmptf2
 190 #define float128_unord      __unordtf2
 191 #define float128_eq         __eqtf2
 192 #define float128_ne         __netf2
 193 #define float128_ge         __getf2
 194 #define float128_lt         __lttf2
 195 #define float128_le         __letf2
 196 #define float128_gt         __gttf2
 197 #endif
 198
 199 #if defined (__ARM_EABI__) || defined (__CC_ARM)
 200 #ifdef __ARM_PCS_VFP
 201 #include <arm/aeabi.h>
 202 #endif
 203 #define __addsf3            __aeabi_fadd
 204 #define __adddf3            __aeabi_dadd
 205
 206 #define __subsf3            __aeabi_fsub
 207 #define __subdf3            __aeabi_dsub
 208
 209 #define __mulsf3            __aeabi_fmul
 210 #define __muldf3            __aeabi_dmul
 211
 212 #define __divsf3            __aeabi_fdiv
 213 #define __divdf3            __aeabi_ddiv
 214
 215 #define __floatsisf         __aeabi_i2f
 216 #define __floatsidf         __aeabi_i2d
 217
 218 #define __floatdisf         __aeabi_l2f
 219 #define __floatdidf         __aeabi_l2d
 220
 221 #define __floatunsisf       __aeabi_ui2f
 222 #define __floatunsidf       __aeabi_ui2d
 223
 224 #define __floatundisf       __aeabi_ul2f
 225 #define __floatundidf       __aeabi_ul2d
 226
 227 #define __fixsfsi           __aeabi_f2iz
 228 #define __fixdfsi           __aeabi_d2iz
 229
 230 #define __fixsfdi           __aeabi_f2lz
 231 #define __fixdfdi           __aeabi_d2lz
 232
 233 #define __fixunssfsi        __aeabi_f2uiz
 234 #define __fixunsdfsi        __aeabi_d2uiz
 235
 236 #define __fixunssfdi        __aeabi_f2ulz
 237 #define __fixunsdfdi        __aeabi_d2ulz
 238
 239 #define __extendsfdf2       __aeabi_f2d
 240 #define __truncdfsf2        __aeabi_d2f
 241
 242 #endif /* __ARM_EABI__ */