source: trunk/lib/sse_simd.h @ 414

Last change on this file since 414 was 414, checked in by cameron, 9 years ago

Library fixes

File size: 19.0 KB
Line 
1/*  Idealized SIMD Operations with SSE versions
2    Copyright (C) 2006, 2007, 2008, Robert D. Cameron
3    Licensed to the public under the Open Software License 3.0.
4    Licensed to International Characters Inc.
5       under the Academic Free License version 3.0.
6*/
7#ifndef SSE_SIMD_H
8#define SSE_SIMD_H
9
10#include <stdio.h>
11
12/*------------------------------------------------------------*/
13#ifndef _MSC_VER
14#include <stdint.h>
15#endif
16#ifdef _MSC_VER
17#include "stdint.h"
18#define LITTLE_ENDIAN 1234
19#define BIG_ENDIAN 4321
20#define BYTE_ORDER LITTLE_ENDIAN
21#endif
22
23#include <emmintrin.h>
24#ifdef USE_LDDQU
25#include <pmmintrin.h>
26#endif
27typedef __m128i SIMD_type;
28/*------------------------------------------------------------*/
29/* I. SIMD bitwise logical operations */
30
31#define simd_or(b1, b2) _mm_or_si128(b1, b2)
32#define simd_and(b1, b2) _mm_and_si128(b1, b2)
33#define simd_xor(b1, b2) _mm_xor_si128(b1, b2)
34#define simd_andc(b1, b2) _mm_andnot_si128(b2, b1)
35#define simd_if(cond, then_val, else_val) \
36  simd_or(simd_and(then_val, cond), simd_andc(else_val, cond))
37#define simd_not(b) (simd_xor(b, _mm_set1_epi32(0xFFFFFFFF)))
38#define simd_nor(a,b) (simd_not(simd_or(a,b)))
39
40
41/*  Specific constants. */
42#define simd_himask_2 _mm_set1_epi32(0xAAAAAAAA)
43#define simd_himask_4 _mm_set1_epi32(0xCCCCCCCC)
44#define simd_himask_8 _mm_set1_epi32(0xF0F0F0F0)
45/* Little-endian */
46#define simd_himask_16 _mm_set1_epi32(0xFF00FF00)
47#define simd_himask_32 _mm_set1_epi32(0xFFFF0000)
48#define simd_himask_64 _mm_set_epi32(-1,0,-1,0)
49#define simd_himask_128 _mm_set_epi32(-1,-1,0,0)
50
51/* Idealized operations with direct implementation by built-in
52   operations for various target architectures. */
53
54#define simd_add_8(a, b) _mm_add_epi8(a, b)
55#define simd_add_16(a, b) _mm_add_epi16(a, b)
56#define simd_add_32(a, b) _mm_add_epi32(a, b)
57#define simd_add_64(a, b) _mm_add_epi64(a, b)
58#define simd_sub_8(a, b) _mm_sub_epi8(a, b)
59#define simd_sub_16(a, b) _mm_sub_epi16(a, b)
60#define simd_sub_32(a, b) _mm_sub_epi32(a, b)
61#define simd_sub_64(a, b) _mm_sub_epi64(a, b)
62#define simd_mult_16(a, b) _mm_mullo_epi16(a, b)
63#define simd_slli_16(r, shft) _mm_slli_epi16(r, shft)
64#define simd_srli_16(r, shft) _mm_srli_epi16(r, shft)
65#define simd_srai_16(r, shft) _mm_srai_epi16(r, shft)
66#define simd_slli_32(r, shft) _mm_slli_epi32(r, shft)
67#define simd_srli_32(r, shft) _mm_srli_epi32(r, shft)
68#define simd_srai_32(r, shft) _mm_srai_epi32(r, shft)
69#define simd_slli_64(r, shft) _mm_slli_epi64(r, shft)
70#define simd_srli_64(r, shft) _mm_srli_epi64(r, shft)
71#define simd_sll_64(r, shft_reg) _mm_sll_epi64(r, shft_reg)
72#define simd_srl_64(r, shft_reg) _mm_srl_epi64(r, shft_reg)
73#define simd_pack_16(a, b) \
74  _mm_packus_epi16(simd_andc(b, simd_himask_16), simd_andc(a, simd_himask_16))
75#define simd_mergeh_8(a, b) _mm_unpackhi_epi8(b, a)
76#define simd_mergeh_16(a, b) _mm_unpackhi_epi16(b, a)
77#define simd_mergeh_32(a, b) _mm_unpackhi_epi32(b, a)
78#define simd_mergeh_64(a, b) _mm_unpackhi_epi64(b, a)
79#define simd_mergel_8(a, b) _mm_unpacklo_epi8(b, a)
80#define simd_mergel_16(a, b) _mm_unpacklo_epi16(b, a)
81#define simd_mergel_32(a, b) _mm_unpacklo_epi32(b, a)
82#define simd_mergel_64(a, b) _mm_unpacklo_epi64(b, a)
83#define simd_eq_8(a, b) _mm_cmpeq_epi8(a, b)
84#define simd_eq_16(a, b) _mm_cmpeq_epi16(a, b)
85#define simd_eq_32(a, b) _mm_cmpeq_epi32(a, b)
86
87#define simd_max_8(a, b) _mm_max_epu8(a, b)
88
89#define simd_slli_128(r, shft) \
90  ((shft) % 8 == 0 ? _mm_slli_si128(r, (shft)/8) : \
91   (shft) >= 64 ? simd_slli_64(_mm_slli_si128(r, 8), (shft) - 64) : \
92   simd_or(simd_slli_64(r, shft), _mm_slli_si128(simd_srli_64(r, 64-(shft)), 8)))
93
94#define simd_srli_128(r, shft) \
95  ((shft) % 8 == 0 ? _mm_srli_si128(r, (shft)/8) : \
96   (shft) >= 64 ? simd_srli_64(_mm_srli_si128(r, 8), (shft) - 64) : \
97   simd_or(simd_srli_64(r, shft), _mm_srli_si128(simd_slli_64(r, 64-(shft)), 8)))
98
99#define simd_sll_128(r, shft) \
100   simd_or(simd_sll_64(r, shft), \
101           simd_or(_mm_slli_si128(simd_sll_64(r, simd_sub_32(shft, sisd_from_int(64))), 8), \
102                   _mm_slli_si128(simd_srl_64(r, simd_sub_32(sisd_from_int(64), shft)), 8)))
103
104#define simd_srl_128(r, shft) \
105   simd_or(simd_srl_64(r, shft), \
106           simd_or(_mm_srli_si128(simd_srl_64(r, simd_sub_32(shft, sisd_from_int(64))), 8), \
107                   _mm_srli_si128(simd_sll_64(r, simd_sub_32(sisd_from_int(64), shft)), 8)))
108
109#define sisd_sll(r, shft) simd_sll_128(r, shft)
110#define sisd_srl(r, shft) simd_srl_128(r, shft)
111#define sisd_slli(r, shft) simd_slli_128(r, shft)
112#define sisd_srli(r, shft) simd_srli_128(r, shft)
113#define sisd_add(a, b) simd_add_128(a, b)
114#define sisd_sub(a, b) simd_sub_128(a, b)
115
116#define sisd_store_aligned(r, addr) _mm_store_si128(addr, r)
117#define sisd_store_unaligned(r, addr) _mm_storeu_si128(addr, r)
118#define sisd_load_aligned(addr) _mm_load_si128(addr)
119#ifndef USE_LDDQU
120#define sisd_load_unaligned(addr) _mm_loadu_si128(addr)
121#endif
122#ifdef USE_LDDQU
123#define sisd_load_unaligned(addr) _mm_lddqu_si128(addr)
124#endif
125
126
127
128#define simd_const_32(n) _mm_set1_epi32(n)
129#define simd_const_16(n) _mm_set1_epi16(n)
130#define simd_const_8(n) _mm_set1_epi8(n)
131#define simd_const_4(n) _mm_set1_epi8((n)<<4|(n))
132#define simd_const_2(n) simd_const_4((n)<<2|(n))
133#define simd_const_1(n) \
134  (n==0 ? simd_const_8(0): simd_const_8(-1))
135
136#define simd_pack_16_ll(a, b) simd_pack_16(a, b)
137#define simd_pack_16_hh(a, b) \
138  simd_pack_16(simd_srli_16(a, 8), simd_srli_16(b, 8))
139
140
141static inline
142SIMD_type simd_add_2(SIMD_type a, SIMD_type b)
143{
144         SIMD_type c1 = simd_xor(a,b);
145         SIMD_type borrow = simd_and(a,b);
146         SIMD_type c2 = simd_xor(c1,(sisd_slli(borrow,1)));
147         return simd_if(simd_himask_2,c2,c1);
148}
149#define simd_add_4(a, b)\
150        simd_if(simd_himask_8, simd_add_8(simd_and(a,simd_himask_8),simd_and(b,simd_himask_8))\
151        ,simd_add_8(simd_andc(a,simd_himask_8),simd_andc(b,simd_himask_8)))
152
153#define simd_srli_2(r, sh)\
154         simd_and(simd_srli_32(r,sh),simd_const_2(3>>sh))
155
156#define simd_srli_4(r, sh)\
157         simd_and(simd_srli_32(r,sh),simd_const_4(15>>sh))
158#define simd_srli_8(r, sh)\
159         simd_and(simd_srli_32(r,sh),simd_const_8(255>>sh))
160
161#define simd_slli_2(r, sh)\
162         simd_and(simd_slli_32(r,sh),simd_const_2((3<<sh)&3))
163
164#define simd_slli_4(r, sh)\
165         simd_and(simd_slli_32(r,sh),simd_const_4((15<<sh)&15))
166#define simd_slli_8(r, sh)\
167         simd_and(simd_slli_32(r,sh),simd_const_8((255<<sh) &255))
168
169
170
171
172#define simd_mergeh_4(a,b)\
173        simd_mergeh_8(simd_if(simd_himask_8,a,simd_srli_8(b,4)),\
174        simd_if(simd_himask_8,simd_slli_8(a,4),b))
175#define simd_mergel_4(a,b)\
176        simd_mergel_8(simd_if(simd_himask_8,a,simd_srli_8(b,4)),\
177        simd_if(simd_himask_8,simd_slli_8(a,4),b))
178#define simd_mergeh_2(a,b)\
179        simd_mergeh_4(simd_if(simd_himask_4,a,simd_srli_4(b,2)),\
180        simd_if(simd_himask_4,simd_slli_4(a,2),b))
181#define simd_mergel_2(a,b)\
182        simd_mergel_4(simd_if(simd_himask_4,a,simd_srli_4(b,2)),\
183        simd_if(simd_himask_4,simd_slli_4(a,2),b))
184#define simd_mergeh_1(a,b)\
185        simd_mergeh_2(simd_if(simd_himask_2,a,simd_srli_2(b,1)),\
186        simd_if(simd_himask_2,simd_slli_2(a,1),b))
187#define simd_mergel_1(a,b)\
188        simd_mergel_2(simd_if(simd_himask_2,a,simd_srli_2(b,1)),\
189        simd_if(simd_himask_2,simd_slli_2(a,1),b))
190
191#define sisd_to_int(x) _mm_cvtsi128_si32(x)
192
193#define sisd_from_int(n) _mm_cvtsi32_si128(n)
194
195static inline int simd_all_true_8(SIMD_type v) {
196  return _mm_movemask_epi8(v) == 0xFFFF;
197}
198
199static inline int simd_any_true_8(SIMD_type v) {
200  return _mm_movemask_epi8(v) != 0;
201}
202
203static inline int simd_any_sign_bit_8(SIMD_type v) {
204  return _mm_movemask_epi8(v) != 0;
205}
206
207#define simd_all_eq_8(v1, v2) simd_all_true_8(_mm_cmpeq_epi8(v1, v2))
208#define simd_all_le_8(v1, v2) \
209  simd_all_eq_8(simd_max_8(v1, v2), v2)
210
211#define simd_all_signed_gt_8(v1, v2) simd_all_true_8(_mm_cmpgt_epi8(v1, v2))
212
213#define simd_cmpgt_8(v1,v2) _mm_cmpgt_epi8(v1, v2)
214
215static inline int bitblock_has_bit(SIMD_type v) {
216  return !simd_all_true_8(simd_eq_8(v, simd_const_8(0)));
217}
218
219
220
221#define bitblock_test_bit(blk, n) \
222   sisd_to_int(sisd_srli(sisd_slli(blk, ((BLOCKSIZE-1)-(n))), BLOCKSIZE-1))
223
224#define simd_pack_2(a,b)\
225        simd_pack_4(simd_if(simd_himask_2,sisd_srli(a,1),a),\
226        simd_if(simd_himask_2,sisd_srli(b,1),b))
227#define simd_pack_4(a,b)\
228        simd_pack_8(simd_if(simd_himask_4,sisd_srli(a,2),a),\
229        simd_if(simd_himask_4,sisd_srli(b,2),b))
230#define simd_pack_8(a,b)\
231        simd_pack_16(simd_if(simd_himask_8,sisd_srli(a,4),a),\
232        simd_if(simd_himask_8,sisd_srli(b,4),b))
233
234#ifndef simd_add_2_xx
235#define simd_add_2_xx(v1, v2) simd_add_2(v1, v2)
236#endif
237
238#ifndef simd_add_2_xl
239#define simd_add_2_xl(v1, v2) simd_add_2(v1, simd_andc(v2, simd_himask_2))
240#endif
241
242#ifndef simd_add_2_xh
243#define simd_add_2_xh(v1, v2) simd_add_2(v1, simd_srli_2(v2, 1))
244#endif
245
246#ifndef simd_add_2_lx
247#define simd_add_2_lx(v1, v2) simd_add_2(simd_andc(v1, simd_himask_2), v2)
248#endif
249
250#ifndef simd_add_2_ll
251#define simd_add_2_ll(v1, v2) simd_add_8(simd_andc(v1, simd_himask_2), simd_andc(v2, simd_himask_2))
252#endif
253
254#ifndef simd_add_2_lh
255#define simd_add_2_lh(v1, v2) simd_add_8(simd_andc(v1, simd_himask_2), simd_srli_2(v2, 1))
256#endif
257
258#ifndef simd_add_2_hx
259#define simd_add_2_hx(v1, v2) simd_add_2(simd_srli_2(v1, 1), v2)
260#endif
261
262#ifndef simd_add_2_hl
263#define simd_add_2_hl(v1, v2) simd_add_8(simd_srli_2(v1, 1), simd_andc(v2, simd_himask_2))
264#endif
265
266#ifndef simd_add_2_hh
267#define simd_add_2_hh(v1, v2) simd_add_8(simd_srli_2(v1, 1), simd_srli_2(v2, 1))
268#endif
269
270#ifndef simd_add_4_xx
271#define simd_add_4_xx(v1, v2) simd_add_4(v1, v2)
272#endif
273
274#ifndef simd_add_4_xl
275#define simd_add_4_xl(v1, v2) simd_add_4(v1, simd_andc(v2, simd_himask_4))
276#endif
277
278#ifndef simd_add_4_xh
279#define simd_add_4_xh(v1, v2) simd_add_4(v1, simd_srli_4(v2, 2))
280#endif
281
282#ifndef simd_add_4_lx
283#define simd_add_4_lx(v1, v2) simd_add_4(simd_andc(v1, simd_himask_4), v2)
284#endif
285
286#ifndef simd_add_4_ll
287#define simd_add_4_ll(v1, v2) simd_add_8(simd_andc(v1, simd_himask_4), simd_andc(v2, simd_himask_4))
288#endif
289
290#ifndef simd_add_4_lh
291#define simd_add_4_lh(v1, v2) simd_add_8(simd_andc(v1, simd_himask_4), simd_srli_4(v2, 2))
292#endif
293
294#ifndef simd_add_4_hx
295#define simd_add_4_hx(v1, v2) simd_add_4(simd_srli_4(v1, 2), v2)
296#endif
297
298#ifndef simd_add_4_hl
299#define simd_add_4_hl(v1, v2) simd_add_8(simd_srli_4(v1, 2), simd_andc(v2, simd_himask_4))
300#endif
301
302#ifndef simd_add_4_hh
303#define simd_add_4_hh(v1, v2) simd_add_8(simd_srli_4(v1, 2), simd_srli_4(v2, 2))
304#endif
305
306#ifndef simd_add_8_xx
307#define simd_add_8_xx(v1, v2) simd_add_8(v1, v2)
308#endif
309
310#ifndef simd_add_8_xl
311#define simd_add_8_xl(v1, v2) simd_add_8(v1, simd_andc(v2, simd_himask_8))
312#endif
313
314#ifndef simd_add_8_xh
315#define simd_add_8_xh(v1, v2) simd_add_8(v1, simd_srli_8(v2, 4))
316#endif
317
318#ifndef simd_add_8_lx
319#define simd_add_8_lx(v1, v2) simd_add_8(simd_andc(v1, simd_himask_8), v2)
320#endif
321
322#ifndef simd_add_8_ll
323#define simd_add_8_ll(v1, v2) simd_add_8(simd_andc(v1, simd_himask_8), simd_andc(v2, simd_himask_8))
324#endif
325
326#ifndef simd_add_8_lh
327#define simd_add_8_lh(v1, v2) simd_add_8(simd_andc(v1, simd_himask_8), simd_srli_8(v2, 4))
328#endif
329
330#ifndef simd_add_8_hx
331#define simd_add_8_hx(v1, v2) simd_add_8(simd_srli_8(v1, 4), v2)
332#endif
333
334#ifndef simd_add_8_hl
335#define simd_add_8_hl(v1, v2) simd_add_8(simd_srli_8(v1, 4), simd_andc(v2, simd_himask_8))
336#endif
337
338#ifndef simd_add_8_hh
339#define simd_add_8_hh(v1, v2) simd_add_8(simd_srli_8(v1, 4), simd_srli_8(v2, 4))
340#endif
341
342#ifndef simd_add_16_xx
343#define simd_add_16_xx(v1, v2) simd_add_16(v1, v2)
344#endif
345
346#ifndef simd_add_16_xl
347#define simd_add_16_xl(v1, v2) simd_add_16(v1, simd_andc(v2, simd_himask_16))
348#endif
349
350#ifndef simd_add_16_xh
351#define simd_add_16_xh(v1, v2) simd_add_16(v1, simd_srli_16(v2, 8))
352#endif
353
354#ifndef simd_add_16_lx
355#define simd_add_16_lx(v1, v2) simd_add_16(simd_andc(v1, simd_himask_16), v2)
356#endif
357
358#ifndef simd_add_16_ll
359#define simd_add_16_ll(v1, v2) simd_add_16(simd_andc(v1, simd_himask_16), simd_andc(v2, simd_himask_16))
360#endif
361
362#ifndef simd_add_16_lh
363#define simd_add_16_lh(v1, v2) simd_add_16(simd_andc(v1, simd_himask_16), simd_srli_16(v2, 8))
364#endif
365
366#ifndef simd_add_16_hx
367#define simd_add_16_hx(v1, v2) simd_add_16(simd_srli_16(v1, 8), v2)
368#endif
369
370#ifndef simd_add_16_hl
371#define simd_add_16_hl(v1, v2) simd_add_16(simd_srli_16(v1, 8), simd_andc(v2, simd_himask_16))
372#endif
373
374#ifndef simd_add_16_hh
375#define simd_add_16_hh(v1, v2) simd_add_16(simd_srli_16(v1, 8), simd_srli_16(v2, 8))
376#endif
377
378#ifndef simd_add_32_xx
379#define simd_add_32_xx(v1, v2) simd_add_32(v1, v2)
380#endif
381
382#ifndef simd_add_32_xl
383#define simd_add_32_xl(v1, v2) simd_add_32(v1, simd_andc(v2, simd_himask_32))
384#endif
385
386#ifndef simd_add_32_xh
387#define simd_add_32_xh(v1, v2) simd_add_32(v1, simd_srli_32(v2, 16))
388#endif
389
390#ifndef simd_add_32_lx
391#define simd_add_32_lx(v1, v2) simd_add_32(simd_andc(v1, simd_himask_32), v2)
392#endif
393
394#ifndef simd_add_32_ll
395#define simd_add_32_ll(v1, v2) simd_add_32(simd_andc(v1, simd_himask_32), simd_andc(v2, simd_himask_32))
396#endif
397
398#ifndef simd_add_32_lh
399#define simd_add_32_lh(v1, v2) simd_add_32(simd_andc(v1, simd_himask_32), simd_srli_32(v2, 16))
400#endif
401
402#ifndef simd_add_32_hx
403#define simd_add_32_hx(v1, v2) simd_add_32(simd_srli_32(v1, 16), v2)
404#endif
405
406#ifndef simd_add_32_hl
407#define simd_add_32_hl(v1, v2) simd_add_32(simd_srli_32(v1, 16), simd_andc(v2, simd_himask_32))
408#endif
409
410#ifndef simd_add_32_hh
411#define simd_add_32_hh(v1, v2) simd_add_32(simd_srli_32(v1, 16), simd_srli_32(v2, 16))
412#endif
413
414#ifndef simd_add_64_xx
415#define simd_add_64_xx(v1, v2) simd_add_64(v1, v2)
416#endif
417
418#ifndef simd_add_64_xl
419#define simd_add_64_xl(v1, v2) simd_add_64(v1, simd_andc(v2, simd_himask_64))
420#endif
421
422#ifndef simd_add_64_xh
423#define simd_add_64_xh(v1, v2) simd_add_64(v1, simd_srli_64(v2, 32))
424#endif
425
426#ifndef simd_add_64_lx
427#define simd_add_64_lx(v1, v2) simd_add_64(simd_andc(v1, simd_himask_64), v2)
428#endif
429
430#ifndef simd_add_64_ll
431#define simd_add_64_ll(v1, v2) simd_add_64(simd_andc(v1, simd_himask_64), simd_andc(v2, simd_himask_64))
432#endif
433
434#ifndef simd_add_64_lh
435#define simd_add_64_lh(v1, v2) simd_add_64(simd_andc(v1, simd_himask_64), simd_srli_64(v2, 32))
436#endif
437
438#ifndef simd_add_64_hx
439#define simd_add_64_hx(v1, v2) simd_add_64(simd_srli_64(v1, 32), v2)
440#endif
441
442#ifndef simd_add_64_hl
443#define simd_add_64_hl(v1, v2) simd_add_64(simd_srli_64(v1, 32), simd_andc(v2, simd_himask_64))
444#endif
445
446#ifndef simd_add_64_hh
447#define simd_add_64_hh(v1, v2) simd_add_64(simd_srli_64(v1, 32), simd_srli_64(v2, 32))
448#endif
449
450#ifndef simd_add_128_xx
451#define simd_add_128_xx(v1, v2) simd_add_128(v1, v2)
452#endif
453
454#ifndef simd_add_128_xl
455#define simd_add_128_xl(v1, v2) simd_add_128(v1, simd_andc(v2, simd_himask_128))
456#endif
457
458#ifndef simd_add_128_xh
459#define simd_add_128_xh(v1, v2) simd_add_128(v1, simd_srli_128(v2, 64))
460#endif
461
462#ifndef simd_add_128_lx
463#define simd_add_128_lx(v1, v2) simd_add_128(simd_andc(v1, simd_himask_128), v2)
464#endif
465
466#ifndef simd_add_128_ll
467#define simd_add_128_ll(v1, v2) simd_add_128(simd_andc(v1, simd_himask_128), simd_andc(v2, simd_himask_128))
468#endif
469
470#ifndef simd_add_128_lh
471#define simd_add_128_lh(v1, v2) simd_add_128(simd_andc(v1, simd_himask_128), simd_srli_128(v2, 64))
472#endif
473
474#ifndef simd_add_128_hx
475#define simd_add_128_hx(v1, v2) simd_add_128(simd_srli_128(v1, 64), v2)
476#endif
477
478#ifndef simd_add_128_hl
479#define simd_add_128_hl(v1, v2) simd_add_128(simd_srli_128(v1, 64), simd_andc(v2, simd_himask_128))
480#endif
481
482#ifndef simd_add_128_hh
483#define simd_add_128_hh(v1, v2) simd_add_128(simd_srli_128(v1, 64), simd_srli_128(v2, 64))
484#endif
485
486#ifndef simd_pack_2_xx
487#define simd_pack_2_xx(v1, v2) simd_pack_2(v1, v2)
488#endif
489
490#ifndef simd_pack_2_xl
491#define simd_pack_2_xl(v1, v2) simd_pack_2(v1, v2)
492#endif
493
494#ifndef simd_pack_2_xh
495#define simd_pack_2_xh(v1, v2) simd_pack_2(v1, simd_srli_16(v2, 1))
496#endif
497
498#ifndef simd_pack_2_lx
499#define simd_pack_2_lx(v1, v2) simd_pack_2(v1, v2)
500#endif
501
502#ifndef simd_pack_2_ll
503#define simd_pack_2_ll(v1, v2) simd_pack_2(v1, v2)
504#endif
505
506#ifndef simd_pack_2_lh
507#define simd_pack_2_lh(v1, v2) simd_pack_2(v1, simd_srli_16(v2, 1))
508#endif
509
510#ifndef simd_pack_2_hx
511#define simd_pack_2_hx(v1, v2) simd_pack_2(simd_srli_16(v1, 1), v2)
512#endif
513
514#ifndef simd_pack_2_hl
515#define simd_pack_2_hl(v1, v2) simd_pack_2(simd_srli_16(v1, 1), v2)
516#endif
517
518#ifndef simd_pack_2_hh
519#define simd_pack_2_hh(v1, v2) simd_pack_2(simd_srli_16(v1, 1), simd_srli_16(v2, 1))
520#endif
521
522#ifndef simd_pack_4_xx
523#define simd_pack_4_xx(v1, v2) simd_pack_4(v1, v2)
524#endif
525
526#ifndef simd_pack_4_xl
527#define simd_pack_4_xl(v1, v2) simd_pack_4(v1, v2)
528#endif
529
530#ifndef simd_pack_4_xh
531#define simd_pack_4_xh(v1, v2) simd_pack_4(v1, simd_srli_16(v2, 2))
532#endif
533
534#ifndef simd_pack_4_lx
535#define simd_pack_4_lx(v1, v2) simd_pack_4(v1, v2)
536#endif
537
538#ifndef simd_pack_4_ll
539#define simd_pack_4_ll(v1, v2) simd_pack_4(v1, v2)
540#endif
541
542#ifndef simd_pack_4_lh
543#define simd_pack_4_lh(v1, v2) simd_pack_4(v1, simd_srli_16(v2, 2))
544#endif
545
546#ifndef simd_pack_4_hx
547#define simd_pack_4_hx(v1, v2) simd_pack_4(simd_srli_16(v1, 2), v2)
548#endif
549
550#ifndef simd_pack_4_hl
551#define simd_pack_4_hl(v1, v2) simd_pack_4(simd_srli_16(v1, 2), v2)
552#endif
553
554#ifndef simd_pack_4_hh
555#define simd_pack_4_hh(v1, v2) simd_pack_4(simd_srli_16(v1, 2), simd_srli_16(v2, 2))
556#endif
557
558#ifndef simd_pack_8_xx
559#define simd_pack_8_xx(v1, v2) simd_pack_8(v1, v2)
560#endif
561
562#ifndef simd_pack_8_xl
563#define simd_pack_8_xl(v1, v2) simd_pack_8(v1, v2)
564#endif
565
566#ifndef simd_pack_8_xh
567#define simd_pack_8_xh(v1, v2) simd_pack_8(v1, simd_srli_16(v2, 4))
568#endif
569
570#ifndef simd_pack_8_lx
571#define simd_pack_8_lx(v1, v2) simd_pack_8(v1, v2)
572#endif
573
574#ifndef simd_pack_8_ll
575#define simd_pack_8_ll(v1, v2) simd_pack_8(v1, v2)
576#endif
577
578#ifndef simd_pack_8_lh
579#define simd_pack_8_lh(v1, v2) simd_pack_8(v1, simd_srli_16(v2, 4))
580#endif
581
582#ifndef simd_pack_8_hx
583#define simd_pack_8_hx(v1, v2) simd_pack_8(simd_srli_16(v1, 4), v2)
584#endif
585
586#ifndef simd_pack_8_hl
587#define simd_pack_8_hl(v1, v2) simd_pack_8(simd_srli_16(v1, 4), v2)
588#endif
589
590#ifndef simd_pack_8_hh
591#define simd_pack_8_hh(v1, v2) simd_pack_8(simd_srli_16(v1, 4), simd_srli_16(v2, 4))
592#endif
593
594#ifndef simd_pack_16_xx
595#define simd_pack_16_xx(v1, v2) simd_pack_16(v1, v2)
596#endif
597
598#ifndef simd_pack_16_xl
599#define simd_pack_16_xl(v1, v2) simd_pack_16(v1, v2)
600#endif
601
602#ifndef simd_pack_16_xh
603#define simd_pack_16_xh(v1, v2) simd_pack_16(v1, simd_srli_16(v2, 8))
604#endif
605
606#ifndef simd_pack_16_lx
607#define simd_pack_16_lx(v1, v2) simd_pack_16(v1, v2)
608#endif
609
610#ifndef simd_pack_16_ll
611#define simd_pack_16_ll(v1, v2) simd_pack_16(v1, v2)
612#endif
613
614#ifndef simd_pack_16_lh
615#define simd_pack_16_lh(v1, v2) simd_pack_16(v1, simd_srli_16(v2, 8))
616#endif
617
618#ifndef simd_pack_16_hx
619#define simd_pack_16_hx(v1, v2) simd_pack_16(simd_srli_16(v1, 8), v2)
620#endif
621
622#ifndef simd_pack_16_hl
623#define simd_pack_16_hl(v1, v2) simd_pack_16(simd_srli_16(v1, 8), v2)
624#endif
625
626#ifndef simd_pack_16_hh
627#define simd_pack_16_hh(v1, v2) simd_pack_16(simd_srli_16(v1, 8), simd_srli_16(v2, 8))
628#endif
629
630
631// Splat the first 16-bit int into all positions.
632static inline SIMD_type simd_splat_16(SIMD_type x) {
633  SIMD_type t = _mm_shufflelo_epi16(x,0);
634  return _mm_shuffle_epi32(t,0);
635}
636
637// Splat the first 32-bit int into all positions.
638static inline SIMD_type simd_splat_32(SIMD_type x) {
639  return _mm_shuffle_epi32(x,0);
640}
641
642static inline int bitblock_bit_count(SIMD_type v) {
643  int bit_count = 0;
644  SIMD_type cts_2 = simd_add_2_lh(v, v);
645  SIMD_type cts_4 = simd_add_4_lh(cts_2, cts_2);
646  SIMD_type cts_8 = simd_add_8_lh(cts_4, cts_4);
647  SIMD_type cts_64 = _mm_sad_epu8(cts_8, simd_const_8(0));
648  /* SIMD_type cts_128 = simd_add_128_lh(cts_64, cts_64) */;
649  SIMD_type cts_128 = simd_add_64(cts_64, sisd_srli(cts_64,64));
650  return (int) sisd_to_int(cts_128);
651}
652
653#endif
654
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