1/* PowerPC AltiVec include file.
2 Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
3 Contributed by Aldy Hernandez (aldyh@redhat.com).
4 Rewritten by Paolo Bonzini (bonzini@gnu.org).
5
6 This file is part of GCC.
7
8 GCC is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published
10 by the Free Software Foundation; either version 2, or (at your
11 option) any later version.
12
13 GCC is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
16 License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to the
20 Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
21 MA 02110-1301, USA. */
22
23/* As a special exception, if you include this header file into source
24 files compiled by GCC, this header file does not by itself cause
25 the resulting executable to be covered by the GNU General Public
26 License. This exception does not however invalidate any other
27 reasons why the executable file might be covered by the GNU General
28 Public License. */
29
30/* Implemented to conform to the specification included in the AltiVec
31 Technology Programming Interface Manual (ALTIVECPIM/D 6/1999 Rev 0). */
32
33#ifndef _ALTIVEC_H
34#define _ALTIVEC_H 1
35
36#if !defined(__VEC__) || !defined(__ALTIVEC__)
37#error Use the "-maltivec" flag to enable PowerPC AltiVec support
38#endif
39
40/* If __APPLE_ALTIVEC__ is defined, the compiler supports 'vector',
41 'pixel' and 'bool' as context-sensitive AltiVec keywords (in
42 non-AltiVec contexts, they revert to their original meanings,
43 if any), so we do not need to define them as macros. */
44
45#if !defined(__APPLE_ALTIVEC__)
46/* You are allowed to undef these for C++ compatibility. */
47#define vector __vector
48#define pixel __pixel
49#define bool __bool
50#endif
51
52/* Condition register codes for AltiVec predicates. */
53
54#define __CR6_EQ 0
55#define __CR6_EQ_REV 1
56#define __CR6_LT 2
57#define __CR6_LT_REV 3
58
59/* Synonyms. */
60#define vec_vaddcuw vec_addc
61#define vec_vand vec_and
62#define vec_vandc vec_andc
63#define vec_vrfip vec_ceil
64#define vec_vcmpbfp vec_cmpb
65#define vec_vcmpgefp vec_cmpge
66#define vec_vctsxs vec_cts
67#define vec_vctuxs vec_ctu
68#define vec_vexptefp vec_expte
69#define vec_vrfim vec_floor
70#define vec_lvx vec_ld
71#define vec_lvxl vec_ldl
72#define vec_vlogefp vec_loge
73#define vec_vmaddfp vec_madd
74#define vec_vmhaddshs vec_madds
75#define vec_vmladduhm vec_mladd
76#define vec_vmhraddshs vec_mradds
77#define vec_vnmsubfp vec_nmsub
78#define vec_vnor vec_nor
79#define vec_vor vec_or
80#define vec_vpkpx vec_packpx
81#define vec_vperm vec_perm
82#define vec_vrefp vec_re
83#define vec_vrfin vec_round
84#define vec_vrsqrtefp vec_rsqrte
85#define vec_vsel vec_sel
86#define vec_vsldoi vec_sld
87#define vec_vsl vec_sll
88#define vec_vslo vec_slo
89#define vec_vspltisb vec_splat_s8
90#define vec_vspltish vec_splat_s16
91#define vec_vspltisw vec_splat_s32
92#define vec_vsr vec_srl
93#define vec_vsro vec_sro
94#define vec_stvx vec_st
95#define vec_stvxl vec_stl
96#define vec_vsubcuw vec_subc
97#define vec_vsum2sws vec_sum2s
98#define vec_vsumsws vec_sums
99#define vec_vrfiz vec_trunc
100#define vec_vxor vec_xor
101
102/* Functions that are resolved by the backend to one of the
103 typed builtins. */
104#define vec_vaddfp __builtin_vec_vaddfp
105#define vec_addc __builtin_vec_addc
106#define vec_vaddsws __builtin_vec_vaddsws
107#define vec_vaddshs __builtin_vec_vaddshs
108#define vec_vaddsbs __builtin_vec_vaddsbs
109#define vec_vavgsw __builtin_vec_vavgsw
110#define vec_vavguw __builtin_vec_vavguw
111#define vec_vavgsh __builtin_vec_vavgsh
112#define vec_vavguh __builtin_vec_vavguh
113#define vec_vavgsb __builtin_vec_vavgsb
114#define vec_vavgub __builtin_vec_vavgub
115#define vec_ceil __builtin_vec_ceil
116#define vec_cmpb __builtin_vec_cmpb
117#define vec_vcmpeqfp __builtin_vec_vcmpeqfp
118#define vec_cmpge __builtin_vec_cmpge
119#define vec_vcmpgtfp __builtin_vec_vcmpgtfp
120#define vec_vcmpgtsw __builtin_vec_vcmpgtsw
121#define vec_vcmpgtuw __builtin_vec_vcmpgtuw
122#define vec_vcmpgtsh __builtin_vec_vcmpgtsh
123#define vec_vcmpgtuh __builtin_vec_vcmpgtuh
124#define vec_vcmpgtsb __builtin_vec_vcmpgtsb
125#define vec_vcmpgtub __builtin_vec_vcmpgtub
126#define vec_vcfsx __builtin_vec_vcfsx
127#define vec_vcfux __builtin_vec_vcfux
128#define vec_cts __builtin_vec_cts
129#define vec_ctu __builtin_vec_ctu
130#define vec_expte __builtin_vec_expte
131#define vec_floor __builtin_vec_floor
132#define vec_loge __builtin_vec_loge
133#define vec_madd __builtin_vec_madd
134#define vec_madds __builtin_vec_madds
135#define vec_mtvscr __builtin_vec_mtvscr
136#define vec_vmaxfp __builtin_vec_vmaxfp
137#define vec_vmaxsw __builtin_vec_vmaxsw
138#define vec_vmaxsh __builtin_vec_vmaxsh
139#define vec_vmaxsb __builtin_vec_vmaxsb
140#define vec_vminfp __builtin_vec_vminfp
141#define vec_vminsw __builtin_vec_vminsw
142#define vec_vminsh __builtin_vec_vminsh
143#define vec_vminsb __builtin_vec_vminsb
144#define vec_mradds __builtin_vec_mradds
145#define vec_vmsumshm __builtin_vec_vmsumshm
146#define vec_vmsumuhm __builtin_vec_vmsumuhm
147#define vec_vmsummbm __builtin_vec_vmsummbm
148#define vec_vmsumubm __builtin_vec_vmsumubm
149#define vec_vmsumshs __builtin_vec_vmsumshs
150#define vec_vmsumuhs __builtin_vec_vmsumuhs
151#define vec_vmulesb __builtin_vec_vmulesb
152#define vec_vmulesh __builtin_vec_vmulesh
153#define vec_vmuleuh __builtin_vec_vmuleuh
154#define vec_vmuleub __builtin_vec_vmuleub
155#define vec_vmulosh __builtin_vec_vmulosh
156#define vec_vmulouh __builtin_vec_vmulouh
157#define vec_vmulosb __builtin_vec_vmulosb
158#define vec_vmuloub __builtin_vec_vmuloub
159#define vec_nmsub __builtin_vec_nmsub
160#define vec_packpx __builtin_vec_packpx
161#define vec_vpkswss __builtin_vec_vpkswss
162#define vec_vpkuwus __builtin_vec_vpkuwus
163#define vec_vpkshss __builtin_vec_vpkshss
164#define vec_vpkuhus __builtin_vec_vpkuhus
165#define vec_vpkswus __builtin_vec_vpkswus
166#define vec_vpkshus __builtin_vec_vpkshus
167#define vec_re __builtin_vec_re
168#define vec_round __builtin_vec_round
169#define vec_rsqrte __builtin_vec_rsqrte
170#define vec_vsubfp __builtin_vec_vsubfp
171#define vec_subc __builtin_vec_subc
172#define vec_vsubsws __builtin_vec_vsubsws
173#define vec_vsubshs __builtin_vec_vsubshs
174#define vec_vsubsbs __builtin_vec_vsubsbs
175#define vec_sum4s __builtin_vec_sum4s
176#define vec_vsum4shs __builtin_vec_vsum4shs
177#define vec_vsum4sbs __builtin_vec_vsum4sbs
178#define vec_vsum4ubs __builtin_vec_vsum4ubs
179#define vec_sum2s __builtin_vec_sum2s
180#define vec_sums __builtin_vec_sums
181#define vec_trunc __builtin_vec_trunc
182#define vec_vupkhpx __builtin_vec_vupkhpx
183#define vec_vupkhsh __builtin_vec_vupkhsh
184#define vec_vupkhsb __builtin_vec_vupkhsb
185#define vec_vupklpx __builtin_vec_vupklpx
186#define vec_vupklsh __builtin_vec_vupklsh
187#define vec_vupklsb __builtin_vec_vupklsb
188#define vec_abs __builtin_vec_abs
189#define vec_abss __builtin_vec_abss
190#define vec_add __builtin_vec_add
191#define vec_adds __builtin_vec_adds
192#define vec_and __builtin_vec_and
193#define vec_andc __builtin_vec_andc
194#define vec_avg __builtin_vec_avg
195#define vec_cmpeq __builtin_vec_cmpeq
196#define vec_cmpgt __builtin_vec_cmpgt
197#define vec_ctf __builtin_vec_ctf
198#define vec_dst __builtin_vec_dst
199#define vec_dstst __builtin_vec_dstst
200#define vec_dststt __builtin_vec_dststt
201#define vec_dstt __builtin_vec_dstt
202#define vec_ld __builtin_vec_ld
203#define vec_lde __builtin_vec_lde
204#define vec_ldl __builtin_vec_ldl
205#define vec_lvebx __builtin_vec_lvebx
206#define vec_lvehx __builtin_vec_lvehx
207#define vec_lvewx __builtin_vec_lvewx
208#define vec_lvsl __builtin_vec_lvsl
209#define vec_lvsr __builtin_vec_lvsr
210#define vec_max __builtin_vec_max
211#define vec_mergeh __builtin_vec_mergeh
212#define vec_mergel __builtin_vec_mergel
213#define vec_min __builtin_vec_min
214#define vec_mladd __builtin_vec_mladd
215#define vec_msum __builtin_vec_msum
216#define vec_msums __builtin_vec_msums
217#define vec_mule __builtin_vec_mule
218#define vec_mulo __builtin_vec_mulo
219#define vec_nor __builtin_vec_nor
220#define vec_or __builtin_vec_or
221#define vec_pack __builtin_vec_pack
222#define vec_packs __builtin_vec_packs
223#define vec_packsu __builtin_vec_packsu
224#define vec_perm __builtin_vec_perm
225#define vec_rl __builtin_vec_rl
226#define vec_sel __builtin_vec_sel
227#define vec_sl __builtin_vec_sl
228#define vec_sld __builtin_vec_sld
229#define vec_sll __builtin_vec_sll
230#define vec_slo __builtin_vec_slo
231#define vec_splat __builtin_vec_splat
232#define vec_sr __builtin_vec_sr
233#define vec_sra __builtin_vec_sra
234#define vec_srl __builtin_vec_srl
235#define vec_sro __builtin_vec_sro
236#define vec_st __builtin_vec_st
237#define vec_ste __builtin_vec_ste
238#define vec_stl __builtin_vec_stl
239#define vec_stvebx __builtin_vec_stvebx
240#define vec_stvehx __builtin_vec_stvehx
241#define vec_stvewx __builtin_vec_stvewx
242#define vec_sub __builtin_vec_sub
243#define vec_subs __builtin_vec_subs
244#define vec_sum __builtin_vec_sum
245#define vec_unpackh __builtin_vec_unpackh
246#define vec_unpackl __builtin_vec_unpackl
247#define vec_vaddubm __builtin_vec_vaddubm
248#define vec_vaddubs __builtin_vec_vaddubs
249#define vec_vadduhm __builtin_vec_vadduhm
250#define vec_vadduhs __builtin_vec_vadduhs
251#define vec_vadduwm __builtin_vec_vadduwm
252#define vec_vadduws __builtin_vec_vadduws
253#define vec_vcmpequb __builtin_vec_vcmpequb
254#define vec_vcmpequh __builtin_vec_vcmpequh
255#define vec_vcmpequw __builtin_vec_vcmpequw
256#define vec_vmaxub __builtin_vec_vmaxub
257#define vec_vmaxuh __builtin_vec_vmaxuh
258#define vec_vmaxuw __builtin_vec_vmaxuw
259#define vec_vminub __builtin_vec_vminub
260#define vec_vminuh __builtin_vec_vminuh
261#define vec_vminuw __builtin_vec_vminuw
262#define vec_vmrghb __builtin_vec_vmrghb
263#define vec_vmrghh __builtin_vec_vmrghh
264#define vec_vmrghw __builtin_vec_vmrghw
265#define vec_vmrglb __builtin_vec_vmrglb
266#define vec_vmrglh __builtin_vec_vmrglh
267#define vec_vmrglw __builtin_vec_vmrglw
268#define vec_vpkuhum __builtin_vec_vpkuhum
269#define vec_vpkuwum __builtin_vec_vpkuwum
270#define vec_vrlb __builtin_vec_vrlb
271#define vec_vrlh __builtin_vec_vrlh
272#define vec_vrlw __builtin_vec_vrlw
273#define vec_vslb __builtin_vec_vslb
274#define vec_vslh __builtin_vec_vslh
275#define vec_vslw __builtin_vec_vslw
276#define vec_vspltb __builtin_vec_vspltb
277#define vec_vsplth __builtin_vec_vsplth
278#define vec_vspltw __builtin_vec_vspltw
279#define vec_vsrab __builtin_vec_vsrab
280#define vec_vsrah __builtin_vec_vsrah
281#define vec_vsraw __builtin_vec_vsraw
282#define vec_vsrb __builtin_vec_vsrb
283#define vec_vsrh __builtin_vec_vsrh
284#define vec_vsrw __builtin_vec_vsrw
285#define vec_vsububs __builtin_vec_vsububs
286#define vec_vsububm __builtin_vec_vsububm
287#define vec_vsubuhm __builtin_vec_vsubuhm
288#define vec_vsubuhs __builtin_vec_vsubuhs
289#define vec_vsubuwm __builtin_vec_vsubuwm
290#define vec_vsubuws __builtin_vec_vsubuws
291#define vec_xor __builtin_vec_xor
292
293/* Predicates.
294 For C++, we use templates in order to allow non-parenthesized arguments.
295 For C, instead, we use macros since non-parenthesized arguments were
296 not allowed even in older GCC implementation of AltiVec.
297
298 In the future, we may add more magic to the back-end, so that no
299 one- or two-argument macros are used. */
300
301#ifdef __cplusplus__
302#define __altivec_unary_pred(NAME, CALL) \
303template <class T> int NAME (T a1) { return CALL; }
304
305#define __altivec_scalar_pred(NAME, CALL) \
306template <class T, class U> int NAME (T a1, U a2) { return CALL; }
307
308/* Given the vec_step of a type, return the corresponding bool type. */
309template <int STEP> class __altivec_bool_ret { };
310template <> class __altivec_bool_ret <4> {
311 typedef __vector __bool int __ret;
312};
313template <> class __altivec_bool_ret <8> {
314 typedef __vector __bool short __ret;
315};
316template <> class __altivec_bool_ret <16> {
317 typedef __vector __bool char __ret;
318};
319
320/* Be very liberal in the pairs we accept. Mistakes such as passing
321 a `vector char' and `vector short' will be caught by the middle-end,
322 while any attempt to detect them here would produce hard to understand
323 error messages involving the implementation details of AltiVec. */
324#define __altivec_binary_pred(NAME, CALL) \
325template <class T, class U> \
326typename __altivec_bool_ret <vec_step (T)>::__ret \
327NAME (T a1, U a2) \
328{ \
329 return CALL; \
330}
331
332__altivec_binary_pred(vec_cmplt,
333 __builtin_vec_cmpgt (a2, a1))
334__altivec_binary_pred(vec_cmple,
335 __builtin_altivec_cmpge (a2, a1))
336
337__altivec_scalar_pred(vec_all_in,
338 __builtin_altivec_vcmpbfp_p (__CR6_EQ, a1, a2))
339__altivec_scalar_pred(vec_any_out,
340 __builtin_altivec_vcmpbfp_p (__CR6_EQ_REV, a1, a2))
341
342__altivec_unary_pred(vec_all_nan,
343 __builtin_altivec_vcmpeqfp_p (__CR6_EQ, a1, a1))
344__altivec_unary_pred(vec_any_nan,
345 __builtin_altivec_vcmpeqfp_p (__CR6_LT_REV, a1, a1))
346
347__altivec_unary_pred(vec_all_numeric,
348 __builtin_altivec_vcmpeqfp_p (__CR6_LT, a1, a1))
349__altivec_unary_pred(vec_any_numeric,
350 __builtin_altivec_vcmpeqfp_p (__CR6_EQ_REV, a1, a1))
351
352__altivec_scalar_pred(vec_all_eq,
353 __builtin_vec_vcmpeq_p (__CR6_LT, a1, a2))
354__altivec_scalar_pred(vec_all_ne,
355 __builtin_vec_vcmpeq_p (__CR6_EQ, a1, a2))
356__altivec_scalar_pred(vec_any_eq,
357 __builtin_vec_vcmpeq_p (__CR6_EQ_REV, a1, a2))
358__altivec_scalar_pred(vec_any_ne,
359 __builtin_vec_vcmpeq_p (__CR6_LT_REV, a1, a2))
360
361__altivec_scalar_pred(vec_all_gt,
362 __builtin_vec_vcmpgt_p (__CR6_LT, a1, a2))
363__altivec_scalar_pred(vec_all_lt,
364 __builtin_vec_vcmpgt_p (__CR6_LT, a2, a1))
365__altivec_scalar_pred(vec_any_gt,
366 __builtin_vec_vcmpgt_p (__CR6_EQ_REV, a1, a2))
367__altivec_scalar_pred(vec_any_lt,
368 __builtin_vec_vcmpgt_p (__CR6_EQ_REV, a2, a1))
369
370__altivec_scalar_pred(vec_all_ngt,
371 __builtin_altivec_vcmpgtfp_p (__CR6_EQ, a1, a2))
372__altivec_scalar_pred(vec_all_nlt,
373 __builtin_altivec_vcmpgtfp_p (__CR6_EQ, a2, a1))
374__altivec_scalar_pred(vec_any_ngt,
375 __builtin_altivec_vcmpgtfp_p (__CR6_LT_REV, a1, a2))
376__altivec_scalar_pred(vec_any_nlt,
377 __builtin_altivec_vcmpgtfp_p (__CR6_LT_REV, a2, a1))
378
379/* __builtin_vec_vcmpge_p is vcmpgefp for floating-point vector types,
380 while for integer types it is converted to __builtin_vec_vcmpgt_p,
381 with inverted args and condition code. */
382__altivec_scalar_pred(vec_all_le,
383 __builtin_vec_vcmpge_p (__CR6_LT, a2, a1))
384__altivec_scalar_pred(vec_all_ge,
385 __builtin_vec_vcmpge_p (__CR6_LT, a1, a2))
386__altivec_scalar_pred(vec_any_le,
387 __builtin_vec_vcmpge_p (__CR6_EQ_REV, a2, a1))
388__altivec_scalar_pred(vec_any_ge,
389 __builtin_vec_vcmpge_p (__CR6_EQ_REV, a1, a2))
390
391__altivec_scalar_pred(vec_all_nge,
392 __builtin_altivec_vcmpgefp_p (__CR6_EQ, a1, a2))
393__altivec_scalar_pred(vec_all_nle,
394 __builtin_altivec_vcmpgefp_p (__CR6_EQ, a2, a1))
395__altivec_scalar_pred(vec_any_nge,
396 __builtin_altivec_vcmpgefp_p (__CR6_LT_REV, a1, a2))
397__altivec_scalar_pred(vec_any_nle,
398 __builtin_altivec_vcmpgefp_p (__CR6_LT_REV, a2, a1))
399
400#undef __altivec_scalar_pred
401#undef __altivec_unary_pred
402#undef __altivec_binary_pred
403#else
404#define vec_cmplt(a1, a2) __builtin_vec_cmpgt ((a2), (a1))
405#define vec_cmple(a1, a2) __builtin_altivec_vcmpgefp ((a2), (a1))
406
407#define vec_all_in(a1, a2) __builtin_altivec_vcmpbfp_p (__CR6_EQ, (a1), (a2))
408#define vec_any_out(a1, a2) __builtin_altivec_vcmpbfp_p (__CR6_EQ_REV, (a1), (a2))
409
410#define vec_all_nan(a1) __builtin_altivec_vcmpeqfp_p (__CR6_EQ, (a1), (a1))
411#define vec_any_nan(a1) __builtin_altivec_vcmpeqfp_p (__CR6_LT_REV, (a1), (a1))
412
413#define vec_all_numeric(a1) __builtin_altivec_vcmpeqfp_p (__CR6_LT, (a1), (a1))
414#define vec_any_numeric(a1) __builtin_altivec_vcmpeqfp_p (__CR6_EQ_REV, (a1), (a1))
415
416#define vec_all_eq(a1, a2) __builtin_vec_vcmpeq_p (__CR6_LT, (a1), (a2))
417#define vec_all_ne(a1, a2) __builtin_vec_vcmpeq_p (__CR6_EQ, (a1), (a2))
418#define vec_any_eq(a1, a2) __builtin_vec_vcmpeq_p (__CR6_EQ_REV, (a1), (a2))
419#define vec_any_ne(a1, a2) __builtin_vec_vcmpeq_p (__CR6_LT_REV, (a1), (a2))
420
421#define vec_all_gt(a1, a2) __builtin_vec_vcmpgt_p (__CR6_LT, (a1), (a2))
422#define vec_all_lt(a1, a2) __builtin_vec_vcmpgt_p (__CR6_LT, (a2), (a1))
423#define vec_any_gt(a1, a2) __builtin_vec_vcmpgt_p (__CR6_EQ_REV, (a1), (a2))
424#define vec_any_lt(a1, a2) __builtin_vec_vcmpgt_p (__CR6_EQ_REV, (a2), (a1))
425
426#define vec_all_ngt(a1, a2) __builtin_altivec_vcmpgtfp_p (__CR6_EQ, (a1), (a2))
427#define vec_all_nlt(a1, a2) __builtin_altivec_vcmpgtfp_p (__CR6_EQ, (a2), (a1))
428#define vec_any_ngt(a1, a2) __builtin_altivec_vcmpgtfp_p (__CR6_LT_REV, (a1), (a2))
429#define vec_any_nlt(a1, a2) __builtin_altivec_vcmpgtfp_p (__CR6_LT_REV, (a2), (a1))
430
431/* __builtin_vec_vcmpge_p is vcmpgefp for floating-point vector types,
432 while for integer types it is converted to __builtin_vec_vcmpgt_p,
433 with inverted args and condition code. */
434#define vec_all_le(a1, a2) __builtin_vec_vcmpge_p (__CR6_LT, (a2), (a1))
435#define vec_all_ge(a1, a2) __builtin_vec_vcmpge_p (__CR6_LT, (a1), (a2))
436#define vec_any_le(a1, a2) __builtin_vec_vcmpge_p (__CR6_EQ_REV, (a2), (a1))
437#define vec_any_ge(a1, a2) __builtin_vec_vcmpge_p (__CR6_EQ_REV, (a1), (a2))
438
439#define vec_all_nge(a1, a2) __builtin_altivec_vcmpgefp_p (__CR6_EQ, (a1), (a2))
440#define vec_all_nle(a1, a2) __builtin_altivec_vcmpgefp_p (__CR6_EQ, (a2), (a1))
441#define vec_any_nge(a1, a2) __builtin_altivec_vcmpgefp_p (__CR6_LT_REV, (a1), (a2))
442#define vec_any_nle(a1, a2) __builtin_altivec_vcmpgefp_p (__CR6_LT_REV, (a2), (a1))
443#endif
444
445/* These do not accept vectors, so they do not have a __builtin_vec_*
446 counterpart. */
447#define vec_dss(x) __builtin_altivec_dss((x))
448#define vec_dssall() __builtin_altivec_dssall ()
449#define vec_mfvscr() ((__vector unsigned short) __builtin_altivec_mfvscr ())
450#define vec_splat_s8(x) __builtin_altivec_vspltisb ((x))
451#define vec_splat_s16(x) __builtin_altivec_vspltish ((x))
452#define vec_splat_s32(x) __builtin_altivec_vspltisw ((x))
453#define vec_splat_u8(x) ((__vector unsigned char) vec_splat_s8 ((x)))
454#define vec_splat_u16(x) ((__vector unsigned short) vec_splat_s16 ((x)))
455#define vec_splat_u32(x) ((__vector unsigned int) vec_splat_s32 ((x)))
456
457/* This also accepts a type for its parameter, so it is not enough
458 to #define vec_step to __builtin_vec_step. */
459#define vec_step(x) __builtin_vec_step (* (__typeof__ (x) *) 0)
460
461#endif /* _ALTIVEC_H */
2 Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
3 Contributed by Aldy Hernandez (aldyh@redhat.com).
4 Rewritten by Paolo Bonzini (bonzini@gnu.org).
5
6 This file is part of GCC.
7
8 GCC is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published
10 by the Free Software Foundation; either version 2, or (at your
11 option) any later version.
12
13 GCC is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
16 License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to the
20 Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
21 MA 02110-1301, USA. */
22
23/* As a special exception, if you include this header file into source
24 files compiled by GCC, this header file does not by itself cause
25 the resulting executable to be covered by the GNU General Public
26 License. This exception does not however invalidate any other
27 reasons why the executable file might be covered by the GNU General
28 Public License. */
29
30/* Implemented to conform to the specification included in the AltiVec
31 Technology Programming Interface Manual (ALTIVECPIM/D 6/1999 Rev 0). */
32
33#ifndef _ALTIVEC_H
34#define _ALTIVEC_H 1
35
36#if !defined(__VEC__) || !defined(__ALTIVEC__)
37#error Use the "-maltivec" flag to enable PowerPC AltiVec support
38#endif
39
40/* If __APPLE_ALTIVEC__ is defined, the compiler supports 'vector',
41 'pixel' and 'bool' as context-sensitive AltiVec keywords (in
42 non-AltiVec contexts, they revert to their original meanings,
43 if any), so we do not need to define them as macros. */
44
45#if !defined(__APPLE_ALTIVEC__)
46/* You are allowed to undef these for C++ compatibility. */
47#define vector __vector
48#define pixel __pixel
49#define bool __bool
50#endif
51
52/* Condition register codes for AltiVec predicates. */
53
54#define __CR6_EQ 0
55#define __CR6_EQ_REV 1
56#define __CR6_LT 2
57#define __CR6_LT_REV 3
58
59/* Synonyms. */
60#define vec_vaddcuw vec_addc
61#define vec_vand vec_and
62#define vec_vandc vec_andc
63#define vec_vrfip vec_ceil
64#define vec_vcmpbfp vec_cmpb
65#define vec_vcmpgefp vec_cmpge
66#define vec_vctsxs vec_cts
67#define vec_vctuxs vec_ctu
68#define vec_vexptefp vec_expte
69#define vec_vrfim vec_floor
70#define vec_lvx vec_ld
71#define vec_lvxl vec_ldl
72#define vec_vlogefp vec_loge
73#define vec_vmaddfp vec_madd
74#define vec_vmhaddshs vec_madds
75#define vec_vmladduhm vec_mladd
76#define vec_vmhraddshs vec_mradds
77#define vec_vnmsubfp vec_nmsub
78#define vec_vnor vec_nor
79#define vec_vor vec_or
80#define vec_vpkpx vec_packpx
81#define vec_vperm vec_perm
82#define vec_vrefp vec_re
83#define vec_vrfin vec_round
84#define vec_vrsqrtefp vec_rsqrte
85#define vec_vsel vec_sel
86#define vec_vsldoi vec_sld
87#define vec_vsl vec_sll
88#define vec_vslo vec_slo
89#define vec_vspltisb vec_splat_s8
90#define vec_vspltish vec_splat_s16
91#define vec_vspltisw vec_splat_s32
92#define vec_vsr vec_srl
93#define vec_vsro vec_sro
94#define vec_stvx vec_st
95#define vec_stvxl vec_stl
96#define vec_vsubcuw vec_subc
97#define vec_vsum2sws vec_sum2s
98#define vec_vsumsws vec_sums
99#define vec_vrfiz vec_trunc
100#define vec_vxor vec_xor
101
102/* Functions that are resolved by the backend to one of the
103 typed builtins. */
104#define vec_vaddfp __builtin_vec_vaddfp
105#define vec_addc __builtin_vec_addc
106#define vec_vaddsws __builtin_vec_vaddsws
107#define vec_vaddshs __builtin_vec_vaddshs
108#define vec_vaddsbs __builtin_vec_vaddsbs
109#define vec_vavgsw __builtin_vec_vavgsw
110#define vec_vavguw __builtin_vec_vavguw
111#define vec_vavgsh __builtin_vec_vavgsh
112#define vec_vavguh __builtin_vec_vavguh
113#define vec_vavgsb __builtin_vec_vavgsb
114#define vec_vavgub __builtin_vec_vavgub
115#define vec_ceil __builtin_vec_ceil
116#define vec_cmpb __builtin_vec_cmpb
117#define vec_vcmpeqfp __builtin_vec_vcmpeqfp
118#define vec_cmpge __builtin_vec_cmpge
119#define vec_vcmpgtfp __builtin_vec_vcmpgtfp
120#define vec_vcmpgtsw __builtin_vec_vcmpgtsw
121#define vec_vcmpgtuw __builtin_vec_vcmpgtuw
122#define vec_vcmpgtsh __builtin_vec_vcmpgtsh
123#define vec_vcmpgtuh __builtin_vec_vcmpgtuh
124#define vec_vcmpgtsb __builtin_vec_vcmpgtsb
125#define vec_vcmpgtub __builtin_vec_vcmpgtub
126#define vec_vcfsx __builtin_vec_vcfsx
127#define vec_vcfux __builtin_vec_vcfux
128#define vec_cts __builtin_vec_cts
129#define vec_ctu __builtin_vec_ctu
130#define vec_expte __builtin_vec_expte
131#define vec_floor __builtin_vec_floor
132#define vec_loge __builtin_vec_loge
133#define vec_madd __builtin_vec_madd
134#define vec_madds __builtin_vec_madds
135#define vec_mtvscr __builtin_vec_mtvscr
136#define vec_vmaxfp __builtin_vec_vmaxfp
137#define vec_vmaxsw __builtin_vec_vmaxsw
138#define vec_vmaxsh __builtin_vec_vmaxsh
139#define vec_vmaxsb __builtin_vec_vmaxsb
140#define vec_vminfp __builtin_vec_vminfp
141#define vec_vminsw __builtin_vec_vminsw
142#define vec_vminsh __builtin_vec_vminsh
143#define vec_vminsb __builtin_vec_vminsb
144#define vec_mradds __builtin_vec_mradds
145#define vec_vmsumshm __builtin_vec_vmsumshm
146#define vec_vmsumuhm __builtin_vec_vmsumuhm
147#define vec_vmsummbm __builtin_vec_vmsummbm
148#define vec_vmsumubm __builtin_vec_vmsumubm
149#define vec_vmsumshs __builtin_vec_vmsumshs
150#define vec_vmsumuhs __builtin_vec_vmsumuhs
151#define vec_vmulesb __builtin_vec_vmulesb
152#define vec_vmulesh __builtin_vec_vmulesh
153#define vec_vmuleuh __builtin_vec_vmuleuh
154#define vec_vmuleub __builtin_vec_vmuleub
155#define vec_vmulosh __builtin_vec_vmulosh
156#define vec_vmulouh __builtin_vec_vmulouh
157#define vec_vmulosb __builtin_vec_vmulosb
158#define vec_vmuloub __builtin_vec_vmuloub
159#define vec_nmsub __builtin_vec_nmsub
160#define vec_packpx __builtin_vec_packpx
161#define vec_vpkswss __builtin_vec_vpkswss
162#define vec_vpkuwus __builtin_vec_vpkuwus
163#define vec_vpkshss __builtin_vec_vpkshss
164#define vec_vpkuhus __builtin_vec_vpkuhus
165#define vec_vpkswus __builtin_vec_vpkswus
166#define vec_vpkshus __builtin_vec_vpkshus
167#define vec_re __builtin_vec_re
168#define vec_round __builtin_vec_round
169#define vec_rsqrte __builtin_vec_rsqrte
170#define vec_vsubfp __builtin_vec_vsubfp
171#define vec_subc __builtin_vec_subc
172#define vec_vsubsws __builtin_vec_vsubsws
173#define vec_vsubshs __builtin_vec_vsubshs
174#define vec_vsubsbs __builtin_vec_vsubsbs
175#define vec_sum4s __builtin_vec_sum4s
176#define vec_vsum4shs __builtin_vec_vsum4shs
177#define vec_vsum4sbs __builtin_vec_vsum4sbs
178#define vec_vsum4ubs __builtin_vec_vsum4ubs
179#define vec_sum2s __builtin_vec_sum2s
180#define vec_sums __builtin_vec_sums
181#define vec_trunc __builtin_vec_trunc
182#define vec_vupkhpx __builtin_vec_vupkhpx
183#define vec_vupkhsh __builtin_vec_vupkhsh
184#define vec_vupkhsb __builtin_vec_vupkhsb
185#define vec_vupklpx __builtin_vec_vupklpx
186#define vec_vupklsh __builtin_vec_vupklsh
187#define vec_vupklsb __builtin_vec_vupklsb
188#define vec_abs __builtin_vec_abs
189#define vec_abss __builtin_vec_abss
190#define vec_add __builtin_vec_add
191#define vec_adds __builtin_vec_adds
192#define vec_and __builtin_vec_and
193#define vec_andc __builtin_vec_andc
194#define vec_avg __builtin_vec_avg
195#define vec_cmpeq __builtin_vec_cmpeq
196#define vec_cmpgt __builtin_vec_cmpgt
197#define vec_ctf __builtin_vec_ctf
198#define vec_dst __builtin_vec_dst
199#define vec_dstst __builtin_vec_dstst
200#define vec_dststt __builtin_vec_dststt
201#define vec_dstt __builtin_vec_dstt
202#define vec_ld __builtin_vec_ld
203#define vec_lde __builtin_vec_lde
204#define vec_ldl __builtin_vec_ldl
205#define vec_lvebx __builtin_vec_lvebx
206#define vec_lvehx __builtin_vec_lvehx
207#define vec_lvewx __builtin_vec_lvewx
208#define vec_lvsl __builtin_vec_lvsl
209#define vec_lvsr __builtin_vec_lvsr
210#define vec_max __builtin_vec_max
211#define vec_mergeh __builtin_vec_mergeh
212#define vec_mergel __builtin_vec_mergel
213#define vec_min __builtin_vec_min
214#define vec_mladd __builtin_vec_mladd
215#define vec_msum __builtin_vec_msum
216#define vec_msums __builtin_vec_msums
217#define vec_mule __builtin_vec_mule
218#define vec_mulo __builtin_vec_mulo
219#define vec_nor __builtin_vec_nor
220#define vec_or __builtin_vec_or
221#define vec_pack __builtin_vec_pack
222#define vec_packs __builtin_vec_packs
223#define vec_packsu __builtin_vec_packsu
224#define vec_perm __builtin_vec_perm
225#define vec_rl __builtin_vec_rl
226#define vec_sel __builtin_vec_sel
227#define vec_sl __builtin_vec_sl
228#define vec_sld __builtin_vec_sld
229#define vec_sll __builtin_vec_sll
230#define vec_slo __builtin_vec_slo
231#define vec_splat __builtin_vec_splat
232#define vec_sr __builtin_vec_sr
233#define vec_sra __builtin_vec_sra
234#define vec_srl __builtin_vec_srl
235#define vec_sro __builtin_vec_sro
236#define vec_st __builtin_vec_st
237#define vec_ste __builtin_vec_ste
238#define vec_stl __builtin_vec_stl
239#define vec_stvebx __builtin_vec_stvebx
240#define vec_stvehx __builtin_vec_stvehx
241#define vec_stvewx __builtin_vec_stvewx
242#define vec_sub __builtin_vec_sub
243#define vec_subs __builtin_vec_subs
244#define vec_sum __builtin_vec_sum
245#define vec_unpackh __builtin_vec_unpackh
246#define vec_unpackl __builtin_vec_unpackl
247#define vec_vaddubm __builtin_vec_vaddubm
248#define vec_vaddubs __builtin_vec_vaddubs
249#define vec_vadduhm __builtin_vec_vadduhm
250#define vec_vadduhs __builtin_vec_vadduhs
251#define vec_vadduwm __builtin_vec_vadduwm
252#define vec_vadduws __builtin_vec_vadduws
253#define vec_vcmpequb __builtin_vec_vcmpequb
254#define vec_vcmpequh __builtin_vec_vcmpequh
255#define vec_vcmpequw __builtin_vec_vcmpequw
256#define vec_vmaxub __builtin_vec_vmaxub
257#define vec_vmaxuh __builtin_vec_vmaxuh
258#define vec_vmaxuw __builtin_vec_vmaxuw
259#define vec_vminub __builtin_vec_vminub
260#define vec_vminuh __builtin_vec_vminuh
261#define vec_vminuw __builtin_vec_vminuw
262#define vec_vmrghb __builtin_vec_vmrghb
263#define vec_vmrghh __builtin_vec_vmrghh
264#define vec_vmrghw __builtin_vec_vmrghw
265#define vec_vmrglb __builtin_vec_vmrglb
266#define vec_vmrglh __builtin_vec_vmrglh
267#define vec_vmrglw __builtin_vec_vmrglw
268#define vec_vpkuhum __builtin_vec_vpkuhum
269#define vec_vpkuwum __builtin_vec_vpkuwum
270#define vec_vrlb __builtin_vec_vrlb
271#define vec_vrlh __builtin_vec_vrlh
272#define vec_vrlw __builtin_vec_vrlw
273#define vec_vslb __builtin_vec_vslb
274#define vec_vslh __builtin_vec_vslh
275#define vec_vslw __builtin_vec_vslw
276#define vec_vspltb __builtin_vec_vspltb
277#define vec_vsplth __builtin_vec_vsplth
278#define vec_vspltw __builtin_vec_vspltw
279#define vec_vsrab __builtin_vec_vsrab
280#define vec_vsrah __builtin_vec_vsrah
281#define vec_vsraw __builtin_vec_vsraw
282#define vec_vsrb __builtin_vec_vsrb
283#define vec_vsrh __builtin_vec_vsrh
284#define vec_vsrw __builtin_vec_vsrw
285#define vec_vsububs __builtin_vec_vsububs
286#define vec_vsububm __builtin_vec_vsububm
287#define vec_vsubuhm __builtin_vec_vsubuhm
288#define vec_vsubuhs __builtin_vec_vsubuhs
289#define vec_vsubuwm __builtin_vec_vsubuwm
290#define vec_vsubuws __builtin_vec_vsubuws
291#define vec_xor __builtin_vec_xor
292
293/* Predicates.
294 For C++, we use templates in order to allow non-parenthesized arguments.
295 For C, instead, we use macros since non-parenthesized arguments were
296 not allowed even in older GCC implementation of AltiVec.
297
298 In the future, we may add more magic to the back-end, so that no
299 one- or two-argument macros are used. */
300
301#ifdef __cplusplus__
302#define __altivec_unary_pred(NAME, CALL) \
303template <class T> int NAME (T a1) { return CALL; }
304
305#define __altivec_scalar_pred(NAME, CALL) \
306template <class T, class U> int NAME (T a1, U a2) { return CALL; }
307
308/* Given the vec_step of a type, return the corresponding bool type. */
309template <int STEP> class __altivec_bool_ret { };
310template <> class __altivec_bool_ret <4> {
311 typedef __vector __bool int __ret;
312};
313template <> class __altivec_bool_ret <8> {
314 typedef __vector __bool short __ret;
315};
316template <> class __altivec_bool_ret <16> {
317 typedef __vector __bool char __ret;
318};
319
320/* Be very liberal in the pairs we accept. Mistakes such as passing
321 a `vector char' and `vector short' will be caught by the middle-end,
322 while any attempt to detect them here would produce hard to understand
323 error messages involving the implementation details of AltiVec. */
324#define __altivec_binary_pred(NAME, CALL) \
325template <class T, class U> \
326typename __altivec_bool_ret <vec_step (T)>::__ret \
327NAME (T a1, U a2) \
328{ \
329 return CALL; \
330}
331
332__altivec_binary_pred(vec_cmplt,
333 __builtin_vec_cmpgt (a2, a1))
334__altivec_binary_pred(vec_cmple,
335 __builtin_altivec_cmpge (a2, a1))
336
337__altivec_scalar_pred(vec_all_in,
338 __builtin_altivec_vcmpbfp_p (__CR6_EQ, a1, a2))
339__altivec_scalar_pred(vec_any_out,
340 __builtin_altivec_vcmpbfp_p (__CR6_EQ_REV, a1, a2))
341
342__altivec_unary_pred(vec_all_nan,
343 __builtin_altivec_vcmpeqfp_p (__CR6_EQ, a1, a1))
344__altivec_unary_pred(vec_any_nan,
345 __builtin_altivec_vcmpeqfp_p (__CR6_LT_REV, a1, a1))
346
347__altivec_unary_pred(vec_all_numeric,
348 __builtin_altivec_vcmpeqfp_p (__CR6_LT, a1, a1))
349__altivec_unary_pred(vec_any_numeric,
350 __builtin_altivec_vcmpeqfp_p (__CR6_EQ_REV, a1, a1))
351
352__altivec_scalar_pred(vec_all_eq,
353 __builtin_vec_vcmpeq_p (__CR6_LT, a1, a2))
354__altivec_scalar_pred(vec_all_ne,
355 __builtin_vec_vcmpeq_p (__CR6_EQ, a1, a2))
356__altivec_scalar_pred(vec_any_eq,
357 __builtin_vec_vcmpeq_p (__CR6_EQ_REV, a1, a2))
358__altivec_scalar_pred(vec_any_ne,
359 __builtin_vec_vcmpeq_p (__CR6_LT_REV, a1, a2))
360
361__altivec_scalar_pred(vec_all_gt,
362 __builtin_vec_vcmpgt_p (__CR6_LT, a1, a2))
363__altivec_scalar_pred(vec_all_lt,
364 __builtin_vec_vcmpgt_p (__CR6_LT, a2, a1))
365__altivec_scalar_pred(vec_any_gt,
366 __builtin_vec_vcmpgt_p (__CR6_EQ_REV, a1, a2))
367__altivec_scalar_pred(vec_any_lt,
368 __builtin_vec_vcmpgt_p (__CR6_EQ_REV, a2, a1))
369
370__altivec_scalar_pred(vec_all_ngt,
371 __builtin_altivec_vcmpgtfp_p (__CR6_EQ, a1, a2))
372__altivec_scalar_pred(vec_all_nlt,
373 __builtin_altivec_vcmpgtfp_p (__CR6_EQ, a2, a1))
374__altivec_scalar_pred(vec_any_ngt,
375 __builtin_altivec_vcmpgtfp_p (__CR6_LT_REV, a1, a2))
376__altivec_scalar_pred(vec_any_nlt,
377 __builtin_altivec_vcmpgtfp_p (__CR6_LT_REV, a2, a1))
378
379/* __builtin_vec_vcmpge_p is vcmpgefp for floating-point vector types,
380 while for integer types it is converted to __builtin_vec_vcmpgt_p,
381 with inverted args and condition code. */
382__altivec_scalar_pred(vec_all_le,
383 __builtin_vec_vcmpge_p (__CR6_LT, a2, a1))
384__altivec_scalar_pred(vec_all_ge,
385 __builtin_vec_vcmpge_p (__CR6_LT, a1, a2))
386__altivec_scalar_pred(vec_any_le,
387 __builtin_vec_vcmpge_p (__CR6_EQ_REV, a2, a1))
388__altivec_scalar_pred(vec_any_ge,
389 __builtin_vec_vcmpge_p (__CR6_EQ_REV, a1, a2))
390
391__altivec_scalar_pred(vec_all_nge,
392 __builtin_altivec_vcmpgefp_p (__CR6_EQ, a1, a2))
393__altivec_scalar_pred(vec_all_nle,
394 __builtin_altivec_vcmpgefp_p (__CR6_EQ, a2, a1))
395__altivec_scalar_pred(vec_any_nge,
396 __builtin_altivec_vcmpgefp_p (__CR6_LT_REV, a1, a2))
397__altivec_scalar_pred(vec_any_nle,
398 __builtin_altivec_vcmpgefp_p (__CR6_LT_REV, a2, a1))
399
400#undef __altivec_scalar_pred
401#undef __altivec_unary_pred
402#undef __altivec_binary_pred
403#else
404#define vec_cmplt(a1, a2) __builtin_vec_cmpgt ((a2), (a1))
405#define vec_cmple(a1, a2) __builtin_altivec_vcmpgefp ((a2), (a1))
406
407#define vec_all_in(a1, a2) __builtin_altivec_vcmpbfp_p (__CR6_EQ, (a1), (a2))
408#define vec_any_out(a1, a2) __builtin_altivec_vcmpbfp_p (__CR6_EQ_REV, (a1), (a2))
409
410#define vec_all_nan(a1) __builtin_altivec_vcmpeqfp_p (__CR6_EQ, (a1), (a1))
411#define vec_any_nan(a1) __builtin_altivec_vcmpeqfp_p (__CR6_LT_REV, (a1), (a1))
412
413#define vec_all_numeric(a1) __builtin_altivec_vcmpeqfp_p (__CR6_LT, (a1), (a1))
414#define vec_any_numeric(a1) __builtin_altivec_vcmpeqfp_p (__CR6_EQ_REV, (a1), (a1))
415
416#define vec_all_eq(a1, a2) __builtin_vec_vcmpeq_p (__CR6_LT, (a1), (a2))
417#define vec_all_ne(a1, a2) __builtin_vec_vcmpeq_p (__CR6_EQ, (a1), (a2))
418#define vec_any_eq(a1, a2) __builtin_vec_vcmpeq_p (__CR6_EQ_REV, (a1), (a2))
419#define vec_any_ne(a1, a2) __builtin_vec_vcmpeq_p (__CR6_LT_REV, (a1), (a2))
420
421#define vec_all_gt(a1, a2) __builtin_vec_vcmpgt_p (__CR6_LT, (a1), (a2))
422#define vec_all_lt(a1, a2) __builtin_vec_vcmpgt_p (__CR6_LT, (a2), (a1))
423#define vec_any_gt(a1, a2) __builtin_vec_vcmpgt_p (__CR6_EQ_REV, (a1), (a2))
424#define vec_any_lt(a1, a2) __builtin_vec_vcmpgt_p (__CR6_EQ_REV, (a2), (a1))
425
426#define vec_all_ngt(a1, a2) __builtin_altivec_vcmpgtfp_p (__CR6_EQ, (a1), (a2))
427#define vec_all_nlt(a1, a2) __builtin_altivec_vcmpgtfp_p (__CR6_EQ, (a2), (a1))
428#define vec_any_ngt(a1, a2) __builtin_altivec_vcmpgtfp_p (__CR6_LT_REV, (a1), (a2))
429#define vec_any_nlt(a1, a2) __builtin_altivec_vcmpgtfp_p (__CR6_LT_REV, (a2), (a1))
430
431/* __builtin_vec_vcmpge_p is vcmpgefp for floating-point vector types,
432 while for integer types it is converted to __builtin_vec_vcmpgt_p,
433 with inverted args and condition code. */
434#define vec_all_le(a1, a2) __builtin_vec_vcmpge_p (__CR6_LT, (a2), (a1))
435#define vec_all_ge(a1, a2) __builtin_vec_vcmpge_p (__CR6_LT, (a1), (a2))
436#define vec_any_le(a1, a2) __builtin_vec_vcmpge_p (__CR6_EQ_REV, (a2), (a1))
437#define vec_any_ge(a1, a2) __builtin_vec_vcmpge_p (__CR6_EQ_REV, (a1), (a2))
438
439#define vec_all_nge(a1, a2) __builtin_altivec_vcmpgefp_p (__CR6_EQ, (a1), (a2))
440#define vec_all_nle(a1, a2) __builtin_altivec_vcmpgefp_p (__CR6_EQ, (a2), (a1))
441#define vec_any_nge(a1, a2) __builtin_altivec_vcmpgefp_p (__CR6_LT_REV, (a1), (a2))
442#define vec_any_nle(a1, a2) __builtin_altivec_vcmpgefp_p (__CR6_LT_REV, (a2), (a1))
443#endif
444
445/* These do not accept vectors, so they do not have a __builtin_vec_*
446 counterpart. */
447#define vec_dss(x) __builtin_altivec_dss((x))
448#define vec_dssall() __builtin_altivec_dssall ()
449#define vec_mfvscr() ((__vector unsigned short) __builtin_altivec_mfvscr ())
450#define vec_splat_s8(x) __builtin_altivec_vspltisb ((x))
451#define vec_splat_s16(x) __builtin_altivec_vspltish ((x))
452#define vec_splat_s32(x) __builtin_altivec_vspltisw ((x))
453#define vec_splat_u8(x) ((__vector unsigned char) vec_splat_s8 ((x)))
454#define vec_splat_u16(x) ((__vector unsigned short) vec_splat_s16 ((x)))
455#define vec_splat_u32(x) ((__vector unsigned int) vec_splat_s32 ((x)))
456
457/* This also accepts a type for its parameter, so it is not enough
458 to #define vec_step to __builtin_vec_step. */
459#define vec_step(x) __builtin_vec_step (* (__typeof__ (x) *) 0)
460
461#endif /* _ALTIVEC_H */