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299b83b7 | 1 | /* Header file for libgcc2.c. */ |
7adcbafe | 2 | /* Copyright (C) 2000-2022 Free Software Foundation, Inc. |
299b83b7 | 3 | |
1322177d | 4 | This file is part of GCC. |
299b83b7 | 5 | |
1322177d LB |
6 | GCC is free software; you can redistribute it and/or modify it under |
7 | the terms of the GNU General Public License as published by the Free | |
748086b7 | 8 | Software Foundation; either version 3, or (at your option) any later |
1322177d | 9 | version. |
299b83b7 | 10 | |
1322177d LB |
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
299b83b7 | 15 | |
748086b7 JJ |
16 | Under Section 7 of GPL version 3, you are granted additional |
17 | permissions described in the GCC Runtime Library Exception, version | |
18 | 3.1, as published by the Free Software Foundation. | |
77c915d8 | 19 | |
748086b7 JJ |
20 | You should have received a copy of the GNU General Public License and |
21 | a copy of the GCC Runtime Library Exception along with this program; | |
22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | <http://www.gnu.org/licenses/>. */ | |
77c915d8 | 24 | |
88657302 RH |
25 | #ifndef GCC_LIBGCC2_H |
26 | #define GCC_LIBGCC2_H | |
299b83b7 | 27 | |
7370bebd | 28 | #ifndef HIDE_EXPORTS |
3fc1f660 | 29 | #pragma GCC visibility push(default) |
7370bebd | 30 | #endif |
3fc1f660 | 31 | |
299b83b7 | 32 | extern int __gcc_bcmp (const unsigned char *, const unsigned char *, size_t); |
a90b0cdd | 33 | extern void __clear_cache (void *, void *); |
3fe68d0a ZW |
34 | extern void __eprintf (const char *, const char *, unsigned int, const char *) |
35 | __attribute__ ((__noreturn__)); | |
299b83b7 | 36 | |
0abcd6cc JG |
37 | #ifdef __LIBGCC_HAS_HF_MODE__ |
38 | #define LIBGCC2_HAS_HF_MODE 1 | |
39 | #else | |
40 | #define LIBGCC2_HAS_HF_MODE 0 | |
41 | #endif | |
42 | ||
8cc4b7a2 JM |
43 | #ifdef __LIBGCC_HAS_SF_MODE__ |
44 | #define LIBGCC2_HAS_SF_MODE 1 | |
45 | #else | |
46 | #define LIBGCC2_HAS_SF_MODE 0 | |
cfa7bd9c RS |
47 | #endif |
48 | ||
8cc4b7a2 JM |
49 | #ifdef __LIBGCC_HAS_DF_MODE__ |
50 | #define LIBGCC2_HAS_DF_MODE 1 | |
51 | #else | |
52 | #define LIBGCC2_HAS_DF_MODE 0 | |
4e9db8b2 SE |
53 | #endif |
54 | ||
8cc4b7a2 JM |
55 | #ifdef __LIBGCC_HAS_XF_MODE__ |
56 | #define LIBGCC2_HAS_XF_MODE 1 | |
57 | #else | |
58 | #define LIBGCC2_HAS_XF_MODE 0 | |
4e9db8b2 SE |
59 | #endif |
60 | ||
8cc4b7a2 JM |
61 | #ifdef __LIBGCC_HAS_TF_MODE__ |
62 | #define LIBGCC2_HAS_TF_MODE 1 | |
63 | #else | |
64 | #define LIBGCC2_HAS_TF_MODE 0 | |
4e9db8b2 SE |
65 | #endif |
66 | ||
66bb34c0 | 67 | #ifndef __LIBGCC_SF_MANT_DIG__ |
4a73d865 | 68 | #if LIBGCC2_HAS_SF_MODE |
66bb34c0 | 69 | #error __LIBGCC_SF_MANT_DIG__ not defined |
4a73d865 | 70 | #else |
66bb34c0 | 71 | #define __LIBGCC_SF_MANT_DIG__ 0 |
4a73d865 JM |
72 | #endif |
73 | #endif | |
74 | ||
66bb34c0 | 75 | #ifndef __LIBGCC_DF_MANT_DIG__ |
4a73d865 | 76 | #if LIBGCC2_HAS_DF_MODE |
66bb34c0 | 77 | #error __LIBGCC_DF_MANT_DIG__ not defined |
4a73d865 | 78 | #else |
66bb34c0 | 79 | #define __LIBGCC_DF_MANT_DIG__ 0 |
4a73d865 JM |
80 | #endif |
81 | #endif | |
82 | ||
66bb34c0 | 83 | #ifndef __LIBGCC_XF_MANT_DIG__ |
4a73d865 | 84 | #if LIBGCC2_HAS_XF_MODE |
66bb34c0 | 85 | #error __LIBGCC_XF_MANT_DIG__ not defined |
4a73d865 | 86 | #else |
66bb34c0 | 87 | #define __LIBGCC_XF_MANT_DIG__ 0 |
4a73d865 JM |
88 | #endif |
89 | #endif | |
90 | ||
66bb34c0 | 91 | #ifndef __LIBGCC_TF_MANT_DIG__ |
4a73d865 | 92 | #if LIBGCC2_HAS_TF_MODE |
66bb34c0 | 93 | #error __LIBGCC_TF_MANT_DIG__ not defined |
4a73d865 | 94 | #else |
66bb34c0 | 95 | #define __LIBGCC_TF_MANT_DIG__ 0 |
4a73d865 JM |
96 | #endif |
97 | #endif | |
98 | ||
b04c9063 AM |
99 | /* FIXME: This #ifdef probably should be removed, ie. enable the test |
100 | for mips too. */ | |
5fb54b91 RH |
101 | /* Don't use IBM Extended Double TFmode for TI->SF calculations. |
102 | The conversion from long double to float suffers from double | |
103 | rounding, because we convert via double. In other cases, going | |
104 | through the software fp routines is much slower than the fallback. */ | |
b04c9063 | 105 | #ifdef __powerpc__ |
5fb54b91 RH |
106 | #define AVOID_FP_TYPE_CONVERSION(SIZE) (SIZE == 106) |
107 | #elif defined(WIDEST_HARDWARE_FP_SIZE) | |
108 | #define AVOID_FP_TYPE_CONVERSION(SIZE) (SIZE > WIDEST_HARDWARE_FP_SIZE) | |
b04c9063 | 109 | #else |
5fb54b91 | 110 | #define AVOID_FP_TYPE_CONVERSION(SIZE) 0 |
b04c9063 AM |
111 | #endif |
112 | ||
299b83b7 KG |
113 | /* In the first part of this file, we are interfacing to calls generated |
114 | by the compiler itself. These calls pass values into these routines | |
115 | which have very specific modes (rather than very specific types), and | |
116 | these compiler-generated calls also expect any return values to have | |
117 | very specific modes (rather than very specific types). Thus, we need | |
118 | to avoid using regular C language type names in this part of the file | |
119 | because the sizes for those types can be configured to be anything. | |
120 | Instead we use the following special type names. */ | |
121 | ||
122 | typedef int QItype __attribute__ ((mode (QI))); | |
123 | typedef unsigned int UQItype __attribute__ ((mode (QI))); | |
124 | typedef int HItype __attribute__ ((mode (HI))); | |
125 | typedef unsigned int UHItype __attribute__ ((mode (HI))); | |
aa63d244 | 126 | #if MIN_UNITS_PER_WORD > 1 |
6614fd40 | 127 | /* These typedefs are usually forbidden on dsp's with UNITS_PER_WORD 1. */ |
299b83b7 KG |
128 | typedef int SItype __attribute__ ((mode (SI))); |
129 | typedef unsigned int USItype __attribute__ ((mode (SI))); | |
4471aff6 | 130 | #if __SIZEOF_LONG_LONG__ > 4 |
6614fd40 | 131 | /* These typedefs are usually forbidden on archs with UNITS_PER_WORD 2. */ |
299b83b7 KG |
132 | typedef int DItype __attribute__ ((mode (DI))); |
133 | typedef unsigned int UDItype __attribute__ ((mode (DI))); | |
6da9c622 | 134 | #if MIN_UNITS_PER_WORD > 4 |
6614fd40 | 135 | /* These typedefs are usually forbidden on archs with UNITS_PER_WORD 4. */ |
6da9c622 RK |
136 | typedef int TItype __attribute__ ((mode (TI))); |
137 | typedef unsigned int UTItype __attribute__ ((mode (TI))); | |
138 | #endif | |
299b83b7 KG |
139 | #endif |
140 | #endif | |
141 | ||
0abcd6cc JG |
142 | #if LIBGCC2_HAS_HF_MODE |
143 | typedef float HFtype __attribute__ ((mode (HF))); | |
144 | typedef _Complex float HCtype __attribute__ ((mode (HC))); | |
145 | #endif | |
cfa7bd9c | 146 | #if LIBGCC2_HAS_SF_MODE |
299b83b7 | 147 | typedef float SFtype __attribute__ ((mode (SF))); |
7e7e470f | 148 | typedef _Complex float SCtype __attribute__ ((mode (SC))); |
cfa7bd9c | 149 | #endif |
4e9db8b2 | 150 | #if LIBGCC2_HAS_DF_MODE |
4f2e0d5e RH |
151 | typedef float DFtype __attribute__ ((mode (DF))); |
152 | typedef _Complex float DCtype __attribute__ ((mode (DC))); | |
153 | #endif | |
4e9db8b2 | 154 | #if LIBGCC2_HAS_XF_MODE |
299b83b7 | 155 | typedef float XFtype __attribute__ ((mode (XF))); |
7e7e470f | 156 | typedef _Complex float XCtype __attribute__ ((mode (XC))); |
299b83b7 | 157 | #endif |
4e9db8b2 | 158 | #if LIBGCC2_HAS_TF_MODE |
299b83b7 | 159 | typedef float TFtype __attribute__ ((mode (TF))); |
7e7e470f | 160 | typedef _Complex float TCtype __attribute__ ((mode (TC))); |
299b83b7 KG |
161 | #endif |
162 | ||
c7ff6e7a AK |
163 | typedef int cmp_return_type __attribute__((mode (__libgcc_cmp_return__))); |
164 | typedef int shift_count_type __attribute__((mode (__libgcc_shift_count__))); | |
299b83b7 KG |
165 | |
166 | /* Make sure that we don't accidentally use any normal C language built-in | |
167 | type names in the first part of this file. Instead we want to use *only* | |
168 | the type names defined above. The following macro definitions insure | |
169 | that if we *do* accidentally use some normal C language built-in type name, | |
170 | we will get a syntax error. */ | |
171 | ||
172 | #define char bogus_type | |
173 | #define short bogus_type | |
174 | #define int bogus_type | |
175 | #define long bogus_type | |
176 | #define unsigned bogus_type | |
177 | #define float bogus_type | |
178 | #define double bogus_type | |
179 | ||
0aec6014 EB |
180 | /* Versions prior to 3.4.4 were not taking into account the word size for |
181 | the 5 trapping arithmetic functions absv, addv, subv, mulv and negv. As | |
182 | a consequence, the si and di variants were always and the only ones emitted. | |
183 | To maintain backward compatibility, COMPAT_SIMODE_TRAPPING_ARITHMETIC is | |
184 | defined on platforms where it makes sense to still have the si variants | |
185 | emitted. As a bonus, their implementation is now correct. Note that the | |
186 | same mechanism should have been implemented for the di variants, but it | |
187 | turns out that no platform would define COMPAT_DIMODE_TRAPPING_ARITHMETIC | |
188 | if it existed. */ | |
189 | ||
baffad1f | 190 | #if LIBGCC2_UNITS_PER_WORD == 8 |
a153644f | 191 | #define W_TYPE_SIZE (8 * __CHAR_BIT__) |
6da9c622 RK |
192 | #define Wtype DItype |
193 | #define UWtype UDItype | |
194 | #define HWtype DItype | |
195 | #define UHWtype UDItype | |
196 | #define DWtype TItype | |
197 | #define UDWtype UTItype | |
cdbf4541 BS |
198 | #ifdef LIBGCC2_GNU_PREFIX |
199 | #define __NW(a,b) __gnu_ ## a ## di ## b | |
200 | #define __NDW(a,b) __gnu_ ## a ## ti ## b | |
201 | #else | |
6da9c622 RK |
202 | #define __NW(a,b) __ ## a ## di ## b |
203 | #define __NDW(a,b) __ ## a ## ti ## b | |
cdbf4541 | 204 | #endif |
0aec6014 | 205 | #define COMPAT_SIMODE_TRAPPING_ARITHMETIC |
baffad1f | 206 | #elif LIBGCC2_UNITS_PER_WORD == 4 |
a153644f | 207 | #define W_TYPE_SIZE (4 * __CHAR_BIT__) |
299b83b7 KG |
208 | #define Wtype SItype |
209 | #define UWtype USItype | |
210 | #define HWtype SItype | |
211 | #define UHWtype USItype | |
212 | #define DWtype DItype | |
213 | #define UDWtype UDItype | |
cdbf4541 BS |
214 | #ifdef LIBGCC2_GNU_PREFIX |
215 | #define __NW(a,b) __gnu_ ## a ## si ## b | |
216 | #define __NDW(a,b) __gnu_ ## a ## di ## b | |
217 | #else | |
299b83b7 KG |
218 | #define __NW(a,b) __ ## a ## si ## b |
219 | #define __NDW(a,b) __ ## a ## di ## b | |
cdbf4541 | 220 | #endif |
baffad1f | 221 | #elif LIBGCC2_UNITS_PER_WORD == 2 |
a153644f | 222 | #define W_TYPE_SIZE (2 * __CHAR_BIT__) |
299b83b7 KG |
223 | #define Wtype HItype |
224 | #define UWtype UHItype | |
225 | #define HWtype HItype | |
226 | #define UHWtype UHItype | |
227 | #define DWtype SItype | |
228 | #define UDWtype USItype | |
cdbf4541 BS |
229 | #ifdef LIBGCC2_GNU_PREFIX |
230 | #define __NW(a,b) __gnu_ ## a ## hi ## b | |
231 | #define __NDW(a,b) __gnu_ ## a ## si ## b | |
232 | #else | |
299b83b7 KG |
233 | #define __NW(a,b) __ ## a ## hi ## b |
234 | #define __NDW(a,b) __ ## a ## si ## b | |
cdbf4541 | 235 | #endif |
299b83b7 | 236 | #else |
a153644f | 237 | #define W_TYPE_SIZE __CHAR_BIT__ |
299b83b7 KG |
238 | #define Wtype QItype |
239 | #define UWtype UQItype | |
240 | #define HWtype QItype | |
241 | #define UHWtype UQItype | |
242 | #define DWtype HItype | |
243 | #define UDWtype UHItype | |
cdbf4541 BS |
244 | #ifdef LIBGCC2_GNU_PREFIX |
245 | #define __NW(a,b) __gnu_ ## a ## qi ## b | |
246 | #define __NDW(a,b) __gnu_ ## a ## hi ## b | |
247 | #else | |
299b83b7 KG |
248 | #define __NW(a,b) __ ## a ## qi ## b |
249 | #define __NDW(a,b) __ ## a ## hi ## b | |
250 | #endif | |
cdbf4541 | 251 | #endif |
299b83b7 | 252 | |
cdbf4541 BS |
253 | #ifdef LIBGCC2_GNU_PREFIX |
254 | #define __N(a) __gnu_ ## a | |
255 | #else | |
256 | #define __N(a) __ ## a | |
257 | #endif | |
5d0e6486 AO |
258 | #define Wtype_MAX ((Wtype)(((UWtype)1 << (W_TYPE_SIZE - 1)) - 1)) |
259 | #define Wtype_MIN (- Wtype_MAX - 1) | |
260 | ||
4f2e0d5e RH |
261 | #if W_TYPE_SIZE == 8 |
262 | # define Wtype_MAXp1_F 0x1p8f | |
263 | #elif W_TYPE_SIZE == 16 | |
264 | # define Wtype_MAXp1_F 0x1p16f | |
265 | #elif W_TYPE_SIZE == 32 | |
266 | # define Wtype_MAXp1_F 0x1p32f | |
267 | #elif W_TYPE_SIZE == 64 | |
268 | # define Wtype_MAXp1_F 0x1p64f | |
269 | #else | |
270 | # error "expand the table" | |
271 | #endif | |
272 | ||
6da9c622 RK |
273 | #define __muldi3 __NDW(mul,3) |
274 | #define __divdi3 __NDW(div,3) | |
275 | #define __udivdi3 __NDW(udiv,3) | |
276 | #define __moddi3 __NDW(mod,3) | |
277 | #define __umoddi3 __NDW(umod,3) | |
278 | #define __negdi2 __NDW(neg,2) | |
279 | #define __lshrdi3 __NDW(lshr,3) | |
280 | #define __ashldi3 __NDW(ashl,3) | |
281 | #define __ashrdi3 __NDW(ashr,3) | |
6da9c622 RK |
282 | #define __cmpdi2 __NDW(cmp,2) |
283 | #define __ucmpdi2 __NDW(ucmp,2) | |
18362447 | 284 | #define __divmoddi4 __NDW(divmod,4) |
6da9c622 RK |
285 | #define __udivmoddi4 __NDW(udivmod,4) |
286 | #define __fixunstfDI __NDW(fixunstf,) | |
287 | #define __fixtfdi __NDW(fixtf,) | |
288 | #define __fixunsxfDI __NDW(fixunsxf,) | |
289 | #define __fixxfdi __NDW(fixxf,) | |
290 | #define __fixunsdfDI __NDW(fixunsdf,) | |
291 | #define __fixdfdi __NDW(fixdf,) | |
292 | #define __fixunssfDI __NDW(fixunssf,) | |
293 | #define __fixsfdi __NDW(fixsf,) | |
294 | #define __floatdixf __NDW(float,xf) | |
295 | #define __floatditf __NDW(float,tf) | |
296 | #define __floatdidf __NDW(float,df) | |
297 | #define __floatdisf __NDW(float,sf) | |
d7735880 JM |
298 | #define __floatundixf __NDW(floatun,xf) |
299 | #define __floatunditf __NDW(floatun,tf) | |
300 | #define __floatundidf __NDW(floatun,df) | |
301 | #define __floatundisf __NDW(floatun,sf) | |
6da9c622 RK |
302 | #define __fixunsxfSI __NW(fixunsxf,) |
303 | #define __fixunstfSI __NW(fixunstf,) | |
304 | #define __fixunsdfSI __NW(fixunsdf,) | |
305 | #define __fixunssfSI __NW(fixunssf,) | |
306 | ||
0aec6014 EB |
307 | #define __absvSI2 __NW(absv,2) |
308 | #define __addvSI3 __NW(addv,3) | |
309 | #define __subvSI3 __NW(subv,3) | |
310 | #define __mulvSI3 __NW(mulv,3) | |
311 | #define __negvSI2 __NW(negv,2) | |
312 | #define __absvDI2 __NDW(absv,2) | |
313 | #define __addvDI3 __NDW(addv,3) | |
314 | #define __subvDI3 __NDW(subv,3) | |
315 | #define __mulvDI3 __NDW(mulv,3) | |
316 | #define __negvDI2 __NDW(negv,2) | |
317 | ||
dfff898c | 318 | #define __ffsSI2 __NW(ffs,2) |
8275b011 RH |
319 | #define __clzSI2 __NW(clz,2) |
320 | #define __ctzSI2 __NW(ctz,2) | |
3801c801 | 321 | #define __clrsbSI2 __NW(clrsb,2) |
8275b011 RH |
322 | #define __popcountSI2 __NW(popcount,2) |
323 | #define __paritySI2 __NW(parity,2) | |
dfff898c | 324 | #define __ffsDI2 __NDW(ffs,2) |
8275b011 RH |
325 | #define __clzDI2 __NDW(clz,2) |
326 | #define __ctzDI2 __NDW(ctz,2) | |
3801c801 | 327 | #define __clrsbDI2 __NDW(clrsb,2) |
8275b011 RH |
328 | #define __popcountDI2 __NDW(popcount,2) |
329 | #define __parityDI2 __NDW(parity,2) | |
dfff898c | 330 | |
cdbf4541 | 331 | #define __clz_tab __N(clz_tab) |
0c007eb2 BS |
332 | #define __bswapsi2 __N(bswapsi2) |
333 | #define __bswapdi2 __N(bswapdi2) | |
334 | #define __udiv_w_sdiv __N(udiv_w_sdiv) | |
335 | #define __clear_cache __N(clear_cache) | |
336 | #define __enable_execute_stack __N(enable_execute_stack) | |
337 | ||
338 | #ifndef __powisf2 | |
cdbf4541 | 339 | #define __powisf2 __N(powisf2) |
0c007eb2 BS |
340 | #endif |
341 | #ifndef __powidf2 | |
cdbf4541 | 342 | #define __powidf2 __N(powidf2) |
0c007eb2 BS |
343 | #endif |
344 | #ifndef __powitf2 | |
cdbf4541 | 345 | #define __powitf2 __N(powitf2) |
0c007eb2 BS |
346 | #endif |
347 | #ifndef __powixf2 | |
cdbf4541 | 348 | #define __powixf2 __N(powixf2) |
0c007eb2 BS |
349 | #endif |
350 | #ifndef __mulsc3 | |
cdbf4541 | 351 | #define __mulsc3 __N(mulsc3) |
0c007eb2 BS |
352 | #endif |
353 | #ifndef __muldc3 | |
cdbf4541 | 354 | #define __muldc3 __N(muldc3) |
0c007eb2 BS |
355 | #endif |
356 | #ifndef __mulxc3 | |
cdbf4541 | 357 | #define __mulxc3 __N(mulxc3) |
0c007eb2 BS |
358 | #endif |
359 | #ifndef __multc3 | |
cdbf4541 | 360 | #define __multc3 __N(multc3) |
0c007eb2 BS |
361 | #endif |
362 | #ifndef __divsc3 | |
cdbf4541 | 363 | #define __divsc3 __N(divsc3) |
0c007eb2 BS |
364 | #endif |
365 | #ifndef __divdc3 | |
cdbf4541 | 366 | #define __divdc3 __N(divdc3) |
0c007eb2 BS |
367 | #endif |
368 | #ifndef __divxc3 | |
cdbf4541 | 369 | #define __divxc3 __N(divxc3) |
0c007eb2 BS |
370 | #endif |
371 | #ifndef __divtc3 | |
cdbf4541 | 372 | #define __divtc3 __N(divtc3) |
0c007eb2 | 373 | #endif |
cdbf4541 | 374 | |
d30d6e76 KG |
375 | extern DWtype __muldi3 (DWtype, DWtype); |
376 | extern DWtype __divdi3 (DWtype, DWtype); | |
377 | extern UDWtype __udivdi3 (UDWtype, UDWtype); | |
378 | extern UDWtype __umoddi3 (UDWtype, UDWtype); | |
379 | extern DWtype __moddi3 (DWtype, DWtype); | |
18362447 | 380 | extern DWtype __divmoddi4 (DWtype, DWtype, DWtype *); |
6da9c622 | 381 | |
d30d6e76 KG |
382 | /* __udivmoddi4 is static inline when building other libgcc2 portions. */ |
383 | #if (!defined (L_udivdi3) && !defined (L_divdi3) && \ | |
18362447 UB |
384 | !defined (L_umoddi3) && !defined (L_moddi3) && \ |
385 | !defined (L_divmoddi4)) | |
d30d6e76 KG |
386 | extern UDWtype __udivmoddi4 (UDWtype, UDWtype, UDWtype *); |
387 | #endif | |
388 | ||
389 | /* __negdi2 is static inline when building other libgcc2 portions. */ | |
390 | #if !defined(L_divdi3) && !defined(L_moddi3) | |
391 | extern DWtype __negdi2 (DWtype); | |
392 | #endif | |
393 | ||
c7ff6e7a AK |
394 | extern DWtype __lshrdi3 (DWtype, shift_count_type); |
395 | extern DWtype __ashldi3 (DWtype, shift_count_type); | |
396 | extern DWtype __ashrdi3 (DWtype, shift_count_type); | |
2928cd7a | 397 | |
d30d6e76 KG |
398 | /* __udiv_w_sdiv is static inline when building other libgcc2 portions. */ |
399 | #if (!defined(L_udivdi3) && !defined(L_divdi3) && \ | |
400 | !defined(L_umoddi3) && !defined(L_moddi3)) | |
401 | extern UWtype __udiv_w_sdiv (UWtype *, UWtype, UWtype, UWtype); | |
402 | #endif | |
403 | ||
c7ff6e7a | 404 | extern cmp_return_type __cmpdi2 (DWtype, DWtype); |
ebc4cd54 | 405 | extern cmp_return_type __ucmpdi2 (UDWtype, UDWtype); |
d30d6e76 | 406 | |
66965e90 EC |
407 | #if MIN_UNITS_PER_WORD > 1 |
408 | extern SItype __bswapsi2 (SItype); | |
409 | #endif | |
4471aff6 | 410 | #if __SIZEOF_LONG_LONG__ > 4 |
66965e90 EC |
411 | extern DItype __bswapdi2 (DItype); |
412 | #endif | |
413 | ||
0aec6014 EB |
414 | extern Wtype __absvSI2 (Wtype); |
415 | extern Wtype __addvSI3 (Wtype, Wtype); | |
416 | extern Wtype __subvSI3 (Wtype, Wtype); | |
417 | extern Wtype __mulvSI3 (Wtype, Wtype); | |
418 | extern Wtype __negvSI2 (Wtype); | |
419 | extern DWtype __absvDI2 (DWtype); | |
420 | extern DWtype __addvDI3 (DWtype, DWtype); | |
421 | extern DWtype __subvDI3 (DWtype, DWtype); | |
422 | extern DWtype __mulvDI3 (DWtype, DWtype); | |
423 | extern DWtype __negvDI2 (DWtype); | |
424 | ||
425 | #ifdef COMPAT_SIMODE_TRAPPING_ARITHMETIC | |
cdbf4541 BS |
426 | #define __absvsi2 __N(absvsi2) |
427 | #define __negvsi2 __N(negvsi2) | |
428 | #define __addvsi3 __N(addvsi3) | |
429 | #define __subvsi3 __N(subvsi3) | |
430 | #define __mulvsi3 __N(mulvsi3) | |
431 | ||
0aec6014 EB |
432 | extern SItype __absvsi2 (SItype); |
433 | extern SItype __addvsi3 (SItype, SItype); | |
434 | extern SItype __subvsi3 (SItype, SItype); | |
435 | extern SItype __mulvsi3 (SItype, SItype); | |
436 | extern SItype __negvsi2 (SItype); | |
437 | #endif /* COMPAT_SIMODE_TRAPPING_ARITHMETIC */ | |
8f54374e | 438 | |
0b8495ae | 439 | #undef int |
0abcd6cc JG |
440 | #if LIBGCC2_HAS_HF_MODE |
441 | extern HCtype __divhc3 (HFtype, HFtype, HFtype, HFtype); | |
442 | extern HCtype __mulhc3 (HFtype, HFtype, HFtype, HFtype); | |
443 | #endif | |
cfa7bd9c | 444 | #if LIBGCC2_HAS_SF_MODE |
d30d6e76 | 445 | extern DWtype __fixsfdi (SFtype); |
d30d6e76 | 446 | extern SFtype __floatdisf (DWtype); |
d7735880 | 447 | extern SFtype __floatundisf (UDWtype); |
6da9c622 | 448 | extern UWtype __fixunssfSI (SFtype); |
f139f5fa | 449 | extern UDWtype __fixunssfDI (SFtype); |
0b8495ae | 450 | extern SFtype __powisf2 (SFtype, int); |
7e7e470f RH |
451 | extern SCtype __divsc3 (SFtype, SFtype, SFtype, SFtype); |
452 | extern SCtype __mulsc3 (SFtype, SFtype, SFtype, SFtype); | |
cfa7bd9c | 453 | #endif |
4e9db8b2 | 454 | #if LIBGCC2_HAS_DF_MODE |
4f2e0d5e RH |
455 | extern DWtype __fixdfdi (DFtype); |
456 | extern DFtype __floatdidf (DWtype); | |
d7735880 | 457 | extern DFtype __floatundidf (UDWtype); |
4f2e0d5e | 458 | extern UWtype __fixunsdfSI (DFtype); |
f139f5fa | 459 | extern UDWtype __fixunsdfDI (DFtype); |
0b8495ae | 460 | extern DFtype __powidf2 (DFtype, int); |
7e7e470f RH |
461 | extern DCtype __divdc3 (DFtype, DFtype, DFtype, DFtype); |
462 | extern DCtype __muldc3 (DFtype, DFtype, DFtype, DFtype); | |
4f2e0d5e | 463 | #endif |
7e7e470f | 464 | |
4e9db8b2 | 465 | #if LIBGCC2_HAS_XF_MODE |
d30d6e76 | 466 | extern DWtype __fixxfdi (XFtype); |
f139f5fa | 467 | extern UDWtype __fixunsxfDI (XFtype); |
d30d6e76 | 468 | extern XFtype __floatdixf (DWtype); |
d7735880 | 469 | extern XFtype __floatundixf (UDWtype); |
6da9c622 | 470 | extern UWtype __fixunsxfSI (XFtype); |
0b8495ae | 471 | extern XFtype __powixf2 (XFtype, int); |
7e7e470f RH |
472 | extern XCtype __divxc3 (XFtype, XFtype, XFtype, XFtype); |
473 | extern XCtype __mulxc3 (XFtype, XFtype, XFtype, XFtype); | |
d30d6e76 KG |
474 | #endif |
475 | ||
4e9db8b2 | 476 | #if LIBGCC2_HAS_TF_MODE |
f139f5fa | 477 | extern UDWtype __fixunstfDI (TFtype); |
d30d6e76 KG |
478 | extern DWtype __fixtfdi (TFtype); |
479 | extern TFtype __floatditf (DWtype); | |
d7735880 | 480 | extern TFtype __floatunditf (UDWtype); |
0b8495ae | 481 | extern TFtype __powitf2 (TFtype, int); |
7e7e470f RH |
482 | extern TCtype __divtc3 (TFtype, TFtype, TFtype, TFtype); |
483 | extern TCtype __multc3 (TFtype, TFtype, TFtype, TFtype); | |
d30d6e76 | 484 | #endif |
0b8495ae | 485 | #define int bogus_type |
d30d6e76 | 486 | |
299b83b7 | 487 | /* DWstructs are pairs of Wtype values in the order determined by |
18ed6ee4 | 488 | __BYTE_ORDER__. */ |
299b83b7 | 489 | |
18ed6ee4 | 490 | #if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__ |
299b83b7 KG |
491 | struct DWstruct {Wtype high, low;}; |
492 | #else | |
493 | struct DWstruct {Wtype low, high;}; | |
494 | #endif | |
495 | ||
496 | /* We need this union to unpack/pack DImode values, since we don't have | |
497 | any arithmetic yet. Incoming DImode parameters are stored into the | |
498 | `ll' field, and the unpacked result is read from the struct `s'. */ | |
499 | ||
500 | typedef union | |
501 | { | |
502 | struct DWstruct s; | |
503 | DWtype ll; | |
504 | } DWunion; | |
505 | ||
dcfae47c NC |
506 | /* Defined for L_popcount_tab. Exported here because some targets may |
507 | want to use it for their own versions of the __popcount builtins. */ | |
508 | extern const UQItype __popcount_tab[256]; | |
509 | ||
510 | /* Defined for L_clz. Exported here because some targets may want to use | |
511 | it for their own versions of the __clz builtins. It contains the bit | |
512 | position of the first set bit for the numbers 0 - 255. This avoids the | |
6fc0bb99 | 513 | need for a separate table for the __ctz builtins. */ |
dcfae47c NC |
514 | extern const UQItype __clz_tab[256]; |
515 | ||
299b83b7 KG |
516 | #include "longlong.h" |
517 | ||
3fc1f660 MM |
518 | #undef int |
519 | extern int __clzDI2 (UDWtype); | |
520 | extern int __clzSI2 (UWtype); | |
521 | extern int __ctzSI2 (UWtype); | |
3801c801 BS |
522 | extern int __ctzDI2 (UDWtype); |
523 | extern int __clrsbSI2 (Wtype); | |
524 | extern int __clrsbDI2 (DWtype); | |
3fc1f660 MM |
525 | extern int __ffsSI2 (UWtype); |
526 | extern int __ffsDI2 (DWtype); | |
3fc1f660 MM |
527 | extern int __popcountSI2 (UWtype); |
528 | extern int __popcountDI2 (UDWtype); | |
529 | extern int __paritySI2 (UWtype); | |
530 | extern int __parityDI2 (UDWtype); | |
531 | #define int bogus_type | |
532 | ||
533 | extern void __enable_execute_stack (void *); | |
534 | ||
7370bebd | 535 | #ifndef HIDE_EXPORTS |
3fc1f660 | 536 | #pragma GCC visibility pop |
7370bebd | 537 | #endif |
3fc1f660 | 538 | |
88657302 | 539 | #endif /* ! GCC_LIBGCC2_H */ |