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FFmpeg/libavcodec/i386/dsputil_mmx_avg.h

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  1. /*

  2.  * DSP utils : average functions are compiled twice for 3dnow/mmx2

  3.  * Copyright (c) 2000, 2001 Fabrice Bellard.

  4.  * Copyright (c) 2002-2004 Michael Niedermayer

  5.  *

  6.  * This library is free software; you can redistribute it and/or

  7.  * modify it under the terms of the GNU Lesser General Public

  8.  * License as published by the Free Software Foundation; either

  9.  * version 2 of the License, or (at your option) any later version.

  10.  *

  11.  * This library is distributed in the hope that it will be useful,

  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  14.  * Lesser General Public License for more details.

  15.  *

  16.  * You should have received a copy of the GNU Lesser General Public

  17.  * License along with this library; if not, write to the Free Software

  18.  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

  19.  *

  20.  * MMX optimization by Nick Kurshev <nickols_k@mail.ru>

  21.  * mostly rewritten by Michael Niedermayer <michaelni@gmx.at>

  22.  * and improved by Zdenek Kabelac <kabi@users.sf.net>

  23.  */

  24.  

  25. /* XXX: we use explicit registers to avoid a gcc 2.95.2 register asm

  26.    clobber bug - now it will work with 2.95.2 and also with -fPIC

  27.  */

  28. static void DEF(put_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)

  29. {

  30.     __asm __volatile(

  31. 	"lea (%3, %3), %%"REG_a"	\n\t"

  32. 	"1:				\n\t"

  33. 	"movq (%1), %%mm0		\n\t"

  34. 	"movq (%1, %3), %%mm1		\n\t"

  35. 	PAVGB" 1(%1), %%mm0		\n\t"

  36. 	PAVGB" 1(%1, %3), %%mm1		\n\t"

  37. 	"movq %%mm0, (%2)		\n\t"

  38. 	"movq %%mm1, (%2, %3)		\n\t"

  39. 	"add %%"REG_a", %1		\n\t"

  40. 	"add %%"REG_a", %2		\n\t"

  41. 	"movq (%1), %%mm0		\n\t"

  42. 	"movq (%1, %3), %%mm1		\n\t"

  43. 	PAVGB" 1(%1), %%mm0		\n\t"

  44. 	PAVGB" 1(%1, %3), %%mm1		\n\t"

  45. 	"add %%"REG_a", %1		\n\t"

  46. 	"movq %%mm0, (%2)		\n\t"

  47. 	"movq %%mm1, (%2, %3)		\n\t"

  48. 	"add %%"REG_a", %2		\n\t"

  49. 	"subl $4, %0			\n\t"

  50. 	"jnz 1b				\n\t"

  51. 	:"+g"(h), "+S"(pixels), "+D"(block)

  52. 	:"r" ((long)line_size)

  53. 	:"%"REG_a, "memory");

  54. }

  55. 

  56. static void DEF(put_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)

  57. {

  58.     __asm __volatile(

  59. 	"testl $1, %0			\n\t"

  60. 	    " jz 1f				\n\t"

  61. 	"movd	(%1), %%mm0		\n\t"

  62. 	"movd	(%2), %%mm1		\n\t"

  63. 	"add	%4, %1			\n\t"

  64. 	"add	$4, %2			\n\t"

  65. 	PAVGB" %%mm1, %%mm0		\n\t"

  66. 	"movd	%%mm0, (%3)		\n\t"

  67. 	"add	%5, %3			\n\t"

  68. 	"decl	%0			\n\t"

  69. 	"1:				\n\t"

  70. 	"movd	(%1), %%mm0		\n\t"

  71. 	"add	%4, %1			\n\t"

  72. 	"movd	(%1), %%mm1		\n\t"

  73. 	"add	%4, %1			\n\t"

  74. 	PAVGB" (%2), %%mm0		\n\t"

  75. 	PAVGB" 4(%2), %%mm1		\n\t"

  76. 	"movd	%%mm0, (%3)		\n\t"

  77. 	"add	%5, %3			\n\t"

  78. 	"movd	%%mm1, (%3)		\n\t"

  79. 	"add	%5, %3			\n\t"

  80. 	"movd	(%1), %%mm0		\n\t"

  81. 	"add	%4, %1			\n\t"

  82. 	"movd	(%1), %%mm1		\n\t"

  83. 	"add	%4, %1			\n\t"

  84. 	PAVGB" 8(%2), %%mm0		\n\t"

  85. 	PAVGB" 12(%2), %%mm1		\n\t"

  86. 	"movd	%%mm0, (%3)		\n\t"

  87. 	"add	%5, %3			\n\t"

  88. 	"movd	%%mm1, (%3)		\n\t"

  89. 	"add	%5, %3			\n\t"

  90. 	"add	$16, %2			\n\t"

  91. 	"subl	$4, %0			\n\t"

  92. 	"jnz	1b			\n\t"

  93. #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used

  94. 	:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  95. #else

  96. 	:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  97. #endif

  98. 	:"S"((long)src1Stride), "D"((long)dstStride)

  99. 	:"memory"); 

  100. }

  101. 

  102. 

  103. static void DEF(put_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)

  104. {

  105.     __asm __volatile(

  106. 	"testl $1, %0			\n\t"

  107. 	    " jz 1f				\n\t"

  108. 	"movq	(%1), %%mm0		\n\t"

  109. 	"movq	(%2), %%mm1		\n\t"

  110. 	"add	%4, %1			\n\t"

  111. 	"add	$8, %2			\n\t"

  112. 	PAVGB" %%mm1, %%mm0		\n\t"

  113. 	"movq	%%mm0, (%3)		\n\t"

  114. 	"add	%5, %3			\n\t"

  115. 	"decl	%0			\n\t"

  116. 	"1:				\n\t"

  117. 	"movq	(%1), %%mm0		\n\t"

  118. 	"add	%4, %1			\n\t"

  119. 	"movq	(%1), %%mm1		\n\t"

  120. 	"add	%4, %1			\n\t"

  121. 	PAVGB" (%2), %%mm0		\n\t"

  122. 	PAVGB" 8(%2), %%mm1		\n\t"

  123. 	"movq	%%mm0, (%3)		\n\t"

  124. 	"add	%5, %3			\n\t"

  125. 	"movq	%%mm1, (%3)		\n\t"

  126. 	"add	%5, %3			\n\t"

  127. 	"movq	(%1), %%mm0		\n\t"

  128. 	"add	%4, %1			\n\t"

  129. 	"movq	(%1), %%mm1		\n\t"

  130. 	"add	%4, %1			\n\t"

  131. 	PAVGB" 16(%2), %%mm0		\n\t"

  132. 	PAVGB" 24(%2), %%mm1		\n\t"

  133. 	"movq	%%mm0, (%3)		\n\t"

  134. 	"add	%5, %3			\n\t"

  135. 	"movq	%%mm1, (%3)		\n\t"

  136. 	"add	%5, %3			\n\t"

  137. 	"add	$32, %2			\n\t"

  138. 	"subl	$4, %0			\n\t"

  139. 	"jnz	1b			\n\t"

  140. #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used

  141. 	:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  142. #else

  143. 	:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  144. #endif

  145. 	:"S"((long)src1Stride), "D"((long)dstStride)

  146. 	:"memory"); 

  147. //the following should be used, though better not with gcc ...

  148. /*	:"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)

  149. 	:"r"(src1Stride), "r"(dstStride)

  150. 	:"memory");*/

  151. }

  152. 

  153. static void DEF(put_no_rnd_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)

  154. {

  155.     __asm __volatile(

  156. 	"pcmpeqb %%mm6, %%mm6	\n\t"

  157. 	"testl $1, %0			\n\t"

  158. 	    " jz 1f				\n\t"

  159. 	"movq	(%1), %%mm0		\n\t"

  160. 	"movq	(%2), %%mm1		\n\t"

  161. 	"add	%4, %1			\n\t"

  162. 	"add	$8, %2			\n\t"

  163. 	"pxor %%mm6, %%mm0		\n\t"

  164. 	"pxor %%mm6, %%mm1		\n\t"

  165. 	PAVGB" %%mm1, %%mm0		\n\t"

  166. 	"pxor %%mm6, %%mm0		\n\t"

  167. 	"movq	%%mm0, (%3)		\n\t"

  168. 	"add	%5, %3			\n\t"

  169. 	"decl	%0			\n\t"

  170. 	"1:				\n\t"

  171. 	"movq	(%1), %%mm0		\n\t"

  172. 	"add	%4, %1			\n\t"

  173. 	"movq	(%1), %%mm1		\n\t"

  174. 	"add	%4, %1			\n\t"

  175. 	"movq	(%2), %%mm2		\n\t"

  176. 	"movq	8(%2), %%mm3		\n\t"

  177. 	"pxor %%mm6, %%mm0		\n\t"

  178. 	"pxor %%mm6, %%mm1		\n\t"

  179. 	"pxor %%mm6, %%mm2		\n\t"

  180. 	"pxor %%mm6, %%mm3		\n\t"

  181. 	PAVGB" %%mm2, %%mm0		\n\t"

  182. 	PAVGB" %%mm3, %%mm1		\n\t"

  183. 	"pxor %%mm6, %%mm0		\n\t"

  184. 	"pxor %%mm6, %%mm1		\n\t"

  185. 	"movq	%%mm0, (%3)		\n\t"

  186. 	"add	%5, %3			\n\t"

  187. 	"movq	%%mm1, (%3)		\n\t"

  188. 	"add	%5, %3			\n\t"

  189. 	"movq	(%1), %%mm0		\n\t"

  190. 	"add	%4, %1			\n\t"

  191. 	"movq	(%1), %%mm1		\n\t"

  192. 	"add	%4, %1			\n\t"

  193. 	"movq	16(%2), %%mm2		\n\t"

  194. 	"movq	24(%2), %%mm3		\n\t"

  195. 	"pxor %%mm6, %%mm0		\n\t"

  196. 	"pxor %%mm6, %%mm1		\n\t"

  197. 	"pxor %%mm6, %%mm2		\n\t"

  198. 	"pxor %%mm6, %%mm3		\n\t"

  199. 	PAVGB" %%mm2, %%mm0		\n\t"

  200. 	PAVGB" %%mm3, %%mm1		\n\t"

  201. 	"pxor %%mm6, %%mm0		\n\t"

  202. 	"pxor %%mm6, %%mm1		\n\t"

  203. 	"movq	%%mm0, (%3)		\n\t"

  204. 	"add	%5, %3			\n\t"

  205. 	"movq	%%mm1, (%3)		\n\t"

  206. 	"add	%5, %3			\n\t"

  207. 	"add	$32, %2			\n\t"

  208. 	"subl	$4, %0			\n\t"

  209. 	"jnz	1b			\n\t"

  210. #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used

  211. 	:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  212. #else

  213. 	:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  214. #endif

  215. 	:"S"((long)src1Stride), "D"((long)dstStride)

  216. 	:"memory"); 

  217. //the following should be used, though better not with gcc ...

  218. /*	:"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)

  219. 	:"r"(src1Stride), "r"(dstStride)

  220. 	:"memory");*/

  221. }

  222. 

  223. static void DEF(avg_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)

  224. {

  225.     __asm __volatile(

  226. 	"testl $1, %0			\n\t"

  227. 	    " jz 1f				\n\t"

  228. 	"movd	(%1), %%mm0		\n\t"

  229. 	"movd	(%2), %%mm1		\n\t"

  230. 	"add	%4, %1			\n\t"

  231. 	"add	$4, %2			\n\t"

  232. 	PAVGB" %%mm1, %%mm0		\n\t"

  233. 	PAVGB" (%3), %%mm0		\n\t"

  234. 	"movd	%%mm0, (%3)		\n\t"

  235. 	"add	%5, %3			\n\t"

  236. 	"decl	%0			\n\t"

  237. 	"1:				\n\t"

  238. 	"movd	(%1), %%mm0		\n\t"

  239. 	"add	%4, %1			\n\t"

  240. 	"movd	(%1), %%mm1		\n\t"

  241. 	"add	%4, %1			\n\t"

  242. 	PAVGB" (%2), %%mm0		\n\t"

  243. 	PAVGB" 4(%2), %%mm1		\n\t"

  244. 	PAVGB" (%3), %%mm0	 	\n\t"

  245. 	"movd	%%mm0, (%3)		\n\t"

  246. 	"add	%5, %3			\n\t"

  247. 	PAVGB" (%3), %%mm1	 	\n\t"

  248. 	"movd	%%mm1, (%3)		\n\t"

  249. 	"add	%5, %3			\n\t"

  250. 	"movd	(%1), %%mm0		\n\t"

  251. 	"add	%4, %1			\n\t"

  252. 	"movd	(%1), %%mm1		\n\t"

  253. 	"add	%4, %1			\n\t"

  254. 	PAVGB" 8(%2), %%mm0		\n\t"

  255. 	PAVGB" 12(%2), %%mm1		\n\t"

  256. 	PAVGB" (%3), %%mm0	 	\n\t"

  257. 	"movd	%%mm0, (%3)		\n\t"

  258. 	"add	%5, %3			\n\t"

  259. 	PAVGB" (%3), %%mm1	 	\n\t"

  260. 	"movd	%%mm1, (%3)		\n\t"

  261. 	"add	%5, %3			\n\t"

  262. 	"add	$16, %2			\n\t"

  263. 	"subl	$4, %0			\n\t"

  264. 	"jnz	1b			\n\t"

  265. #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used

  266. 	:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  267. #else

  268. 	:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  269. #endif

  270. 	:"S"((long)src1Stride), "D"((long)dstStride)

  271. 	:"memory"); 

  272. }

  273. 

  274. 

  275. static void DEF(avg_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)

  276. {

  277.     __asm __volatile(

  278. 	"testl $1, %0			\n\t"

  279. 	    " jz 1f				\n\t"

  280. 	"movq	(%1), %%mm0		\n\t"

  281. 	"movq	(%2), %%mm1		\n\t"

  282. 	"add	%4, %1			\n\t"

  283. 	"add	$8, %2			\n\t"

  284. 	PAVGB" %%mm1, %%mm0		\n\t"

  285. 	PAVGB" (%3), %%mm0		\n\t"

  286. 	"movq	%%mm0, (%3)		\n\t"

  287. 	"add	%5, %3			\n\t"

  288. 	"decl	%0			\n\t"

  289. 	"1:				\n\t"

  290. 	"movq	(%1), %%mm0		\n\t"

  291. 	"add	%4, %1			\n\t"

  292. 	"movq	(%1), %%mm1		\n\t"

  293. 	"add	%4, %1			\n\t"

  294. 	PAVGB" (%2), %%mm0		\n\t"

  295. 	PAVGB" 8(%2), %%mm1		\n\t"

  296. 	PAVGB" (%3), %%mm0	 	\n\t"

  297. 	"movq	%%mm0, (%3)		\n\t"

  298. 	"add	%5, %3			\n\t"

  299. 	PAVGB" (%3), %%mm1	 	\n\t"

  300. 	"movq	%%mm1, (%3)		\n\t"

  301. 	"add	%5, %3			\n\t"

  302. 	"movq	(%1), %%mm0		\n\t"

  303. 	"add	%4, %1			\n\t"

  304. 	"movq	(%1), %%mm1		\n\t"

  305. 	"add	%4, %1			\n\t"

  306. 	PAVGB" 16(%2), %%mm0		\n\t"

  307. 	PAVGB" 24(%2), %%mm1		\n\t"

  308. 	PAVGB" (%3), %%mm0	 	\n\t"

  309. 	"movq	%%mm0, (%3)		\n\t"

  310. 	"add	%5, %3			\n\t"

  311. 	PAVGB" (%3), %%mm1	 	\n\t"

  312. 	"movq	%%mm1, (%3)		\n\t"

  313. 	"add	%5, %3			\n\t"

  314. 	"add	$32, %2			\n\t"

  315. 	"subl	$4, %0			\n\t"

  316. 	"jnz	1b			\n\t"

  317. #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used

  318. 	:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  319. #else

  320. 	:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  321. #endif

  322. 	:"S"((long)src1Stride), "D"((long)dstStride)

  323. 	:"memory"); 

  324. //the following should be used, though better not with gcc ...

  325. /*	:"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)

  326. 	:"r"(src1Stride), "r"(dstStride)

  327. 	:"memory");*/

  328. }

  329. 

  330. static void DEF(put_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)

  331. {

  332.     __asm __volatile(

  333. 	"lea (%3, %3), %%"REG_a"	\n\t"

  334. 	"1:				\n\t"

  335. 	"movq (%1), %%mm0		\n\t"

  336. 	"movq (%1, %3), %%mm1		\n\t"

  337. 	"movq 8(%1), %%mm2		\n\t"

  338. 	"movq 8(%1, %3), %%mm3		\n\t"

  339. 	PAVGB" 1(%1), %%mm0		\n\t"

  340. 	PAVGB" 1(%1, %3), %%mm1		\n\t"

  341. 	PAVGB" 9(%1), %%mm2		\n\t"

  342. 	PAVGB" 9(%1, %3), %%mm3		\n\t"

  343. 	"movq %%mm0, (%2)		\n\t"

  344. 	"movq %%mm1, (%2, %3)		\n\t"

  345. 	"movq %%mm2, 8(%2)		\n\t"

  346. 	"movq %%mm3, 8(%2, %3)		\n\t"

  347. 	"add %%"REG_a", %1		\n\t"

  348. 	"add %%"REG_a", %2		\n\t"

  349. 	"movq (%1), %%mm0		\n\t"

  350. 	"movq (%1, %3), %%mm1		\n\t"

  351. 	"movq 8(%1), %%mm2		\n\t"

  352. 	"movq 8(%1, %3), %%mm3		\n\t"

  353. 	PAVGB" 1(%1), %%mm0		\n\t"

  354. 	PAVGB" 1(%1, %3), %%mm1		\n\t"

  355. 	PAVGB" 9(%1), %%mm2		\n\t"

  356. 	PAVGB" 9(%1, %3), %%mm3		\n\t"

  357. 	"add %%"REG_a", %1		\n\t"

  358. 	"movq %%mm0, (%2)		\n\t"

  359. 	"movq %%mm1, (%2, %3)		\n\t"

  360. 	"movq %%mm2, 8(%2)		\n\t"

  361. 	"movq %%mm3, 8(%2, %3)		\n\t"

  362. 	"add %%"REG_a", %2		\n\t"

  363. 	"subl $4, %0			\n\t"

  364. 	"jnz 1b				\n\t"

  365. 	:"+g"(h), "+S"(pixels), "+D"(block)

  366. 	:"r" ((long)line_size)

  367. 	:"%"REG_a, "memory");

  368. }

  369. 

  370. static void DEF(put_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)

  371. {

  372.     __asm __volatile(

  373. 	"testl $1, %0			\n\t"

  374. 	    " jz 1f				\n\t"

  375. 	"movq	(%1), %%mm0		\n\t"

  376. 	"movq	8(%1), %%mm1		\n\t"

  377. 	PAVGB" (%2), %%mm0		\n\t"

  378. 	PAVGB" 8(%2), %%mm1		\n\t"

  379. 	"add	%4, %1			\n\t"

  380. 	"add	$16, %2			\n\t"

  381. 	"movq	%%mm0, (%3)		\n\t"

  382. 	"movq	%%mm1, 8(%3)		\n\t"

  383. 	"add	%5, %3			\n\t"

  384. 	"decl	%0			\n\t"

  385. 	"1:				\n\t"

  386. 	"movq	(%1), %%mm0		\n\t"

  387. 	"movq	8(%1), %%mm1		\n\t"

  388. 	"add	%4, %1			\n\t"

  389. 	PAVGB" (%2), %%mm0		\n\t"

  390. 	PAVGB" 8(%2), %%mm1		\n\t"

  391. 	"movq	%%mm0, (%3)		\n\t"

  392. 	"movq	%%mm1, 8(%3)		\n\t"

  393. 	"add	%5, %3			\n\t"

  394. 	"movq	(%1), %%mm0		\n\t"

  395. 	"movq	8(%1), %%mm1		\n\t"

  396. 	"add	%4, %1			\n\t"

  397. 	PAVGB" 16(%2), %%mm0		\n\t"

  398. 	PAVGB" 24(%2), %%mm1		\n\t"

  399. 	"movq	%%mm0, (%3)		\n\t"

  400. 	"movq	%%mm1, 8(%3)		\n\t"

  401. 	"add	%5, %3			\n\t"

  402. 	"add	$32, %2			\n\t"

  403. 	"subl	$2, %0			\n\t"

  404. 	"jnz	1b			\n\t"

  405. #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used

  406. 	:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  407. #else

  408. 	:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  409. #endif

  410. 	:"S"((long)src1Stride), "D"((long)dstStride)

  411. 	:"memory"); 

  412. //the following should be used, though better not with gcc ...

  413. /*	:"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)

  414. 	:"r"(src1Stride), "r"(dstStride)

  415. 	:"memory");*/

  416. }

  417. 

  418. static void DEF(avg_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)

  419. {

  420.     __asm __volatile(

  421. 	"testl $1, %0			\n\t"

  422. 	    " jz 1f				\n\t"

  423. 	"movq	(%1), %%mm0		\n\t"

  424. 	"movq	8(%1), %%mm1		\n\t"

  425. 	PAVGB" (%2), %%mm0		\n\t"

  426. 	PAVGB" 8(%2), %%mm1		\n\t"

  427. 	"add	%4, %1			\n\t"

  428. 	"add	$16, %2			\n\t"

  429. 	PAVGB" (%3), %%mm0		\n\t"

  430. 	PAVGB" 8(%3), %%mm1		\n\t"

  431. 	"movq	%%mm0, (%3)		\n\t"

  432. 	"movq	%%mm1, 8(%3)		\n\t"

  433. 	"add	%5, %3			\n\t"

  434. 	"decl	%0			\n\t"

  435. 	"1:				\n\t"

  436. 	"movq	(%1), %%mm0		\n\t"

  437. 	"movq	8(%1), %%mm1		\n\t"

  438. 	"add	%4, %1			\n\t"

  439. 	PAVGB" (%2), %%mm0		\n\t"

  440. 	PAVGB" 8(%2), %%mm1		\n\t"

  441. 	PAVGB" (%3), %%mm0		\n\t"

  442. 	PAVGB" 8(%3), %%mm1		\n\t"

  443. 	"movq	%%mm0, (%3)		\n\t"

  444. 	"movq	%%mm1, 8(%3)		\n\t"

  445. 	"add	%5, %3			\n\t"

  446. 	"movq	(%1), %%mm0		\n\t"

  447. 	"movq	8(%1), %%mm1		\n\t"

  448. 	"add	%4, %1			\n\t"

  449. 	PAVGB" 16(%2), %%mm0		\n\t"

  450. 	PAVGB" 24(%2), %%mm1		\n\t"

  451. 	PAVGB" (%3), %%mm0		\n\t"

  452. 	PAVGB" 8(%3), %%mm1		\n\t"

  453. 	"movq	%%mm0, (%3)		\n\t"

  454. 	"movq	%%mm1, 8(%3)		\n\t"

  455. 	"add	%5, %3			\n\t"

  456. 	"add	$32, %2			\n\t"

  457. 	"subl	$2, %0			\n\t"

  458. 	"jnz	1b			\n\t"

  459. #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used

  460. 	:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  461. #else

  462. 	:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  463. #endif

  464. 	:"S"((long)src1Stride), "D"((long)dstStride)

  465. 	:"memory"); 

  466. //the following should be used, though better not with gcc ...

  467. /*	:"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)

  468. 	:"r"(src1Stride), "r"(dstStride)

  469. 	:"memory");*/

  470. }

  471. 

  472. static void DEF(put_no_rnd_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)

  473. {

  474.     __asm __volatile(

  475. 	"pcmpeqb %%mm6, %%mm6\n\t"

  476. 	"testl $1, %0			\n\t"

  477. 	    " jz 1f				\n\t"

  478. 	"movq	(%1), %%mm0		\n\t"

  479. 	"movq	8(%1), %%mm1		\n\t"

  480. 	"movq	(%2), %%mm2		\n\t"

  481. 	"movq	8(%2), %%mm3		\n\t"

  482. 	"pxor %%mm6, %%mm0		\n\t"

  483. 	"pxor %%mm6, %%mm1		\n\t"

  484. 	"pxor %%mm6, %%mm2		\n\t"

  485. 	"pxor %%mm6, %%mm3		\n\t"

  486. 	PAVGB" %%mm2, %%mm0		\n\t"

  487. 	PAVGB" %%mm3, %%mm1		\n\t"

  488. 	"pxor %%mm6, %%mm0		\n\t"

  489. 	"pxor %%mm6, %%mm1		\n\t"

  490. 	"add	%4, %1			\n\t"

  491. 	"add	$16, %2			\n\t"

  492. 	"movq	%%mm0, (%3)		\n\t"

  493. 	"movq	%%mm1, 8(%3)		\n\t"

  494. 	"add	%5, %3			\n\t"

  495. 	"decl	%0			\n\t"

  496. 	"1:				\n\t"

  497. 	"movq	(%1), %%mm0		\n\t"

  498. 	"movq	8(%1), %%mm1		\n\t"

  499. 	"add	%4, %1			\n\t"

  500. 	"movq	(%2), %%mm2		\n\t"

  501. 	"movq	8(%2), %%mm3		\n\t"

  502. 	"pxor %%mm6, %%mm0		\n\t"

  503. 	"pxor %%mm6, %%mm1		\n\t"

  504. 	"pxor %%mm6, %%mm2		\n\t"

  505. 	"pxor %%mm6, %%mm3		\n\t"

  506. 	PAVGB" %%mm2, %%mm0		\n\t"

  507. 	PAVGB" %%mm3, %%mm1		\n\t"

  508. 	"pxor %%mm6, %%mm0		\n\t"

  509. 	"pxor %%mm6, %%mm1		\n\t"

  510. 	"movq	%%mm0, (%3)		\n\t"

  511. 	"movq	%%mm1, 8(%3)		\n\t"

  512. 	"add	%5, %3			\n\t"

  513. 	"movq	(%1), %%mm0		\n\t"

  514. 	"movq	8(%1), %%mm1		\n\t"

  515. 	"add	%4, %1			\n\t"

  516. 	"movq	16(%2), %%mm2		\n\t"

  517. 	"movq	24(%2), %%mm3		\n\t"

  518. 	"pxor %%mm6, %%mm0		\n\t"

  519. 	"pxor %%mm6, %%mm1		\n\t"

  520. 	"pxor %%mm6, %%mm2		\n\t"

  521. 	"pxor %%mm6, %%mm3		\n\t"

  522. 	PAVGB" %%mm2, %%mm0		\n\t"

  523. 	PAVGB" %%mm3, %%mm1		\n\t"

  524. 	"pxor %%mm6, %%mm0		\n\t"

  525. 	"pxor %%mm6, %%mm1		\n\t"

  526. 	"movq	%%mm0, (%3)		\n\t"

  527. 	"movq	%%mm1, 8(%3)		\n\t"

  528. 	"add	%5, %3			\n\t"

  529. 	"add	$32, %2			\n\t"

  530. 	"subl	$2, %0			\n\t"

  531. 	"jnz	1b			\n\t"

  532. #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used

  533. 	:"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  534. #else

  535. 	:"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)

  536. #endif

  537. 	:"S"((long)src1Stride), "D"((long)dstStride)

  538. 	:"memory"); 

  539. //the following should be used, though better not with gcc ...

  540. /*	:"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)

  541. 	:"r"(src1Stride), "r"(dstStride)

  542. 	:"memory");*/

  543. }

  544.  

  545. /* GL: this function does incorrect rounding if overflow */

  546. static void DEF(put_no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)

  547. {

  548.     MOVQ_BONE(mm6);

  549.     __asm __volatile(

  550. 	"lea (%3, %3), %%"REG_a"	\n\t"

  551. 	"1:				\n\t"

  552. 	"movq (%1), %%mm0		\n\t"

  553. 	"movq (%1, %3), %%mm2		\n\t"

  554. 	"movq 1(%1), %%mm1		\n\t"

  555. 	"movq 1(%1, %3), %%mm3		\n\t"

  556. 	"add %%"REG_a", %1		\n\t"

  557. 	"psubusb %%mm6, %%mm0		\n\t"

  558. 	"psubusb %%mm6, %%mm2		\n\t"

  559. 	PAVGB" %%mm1, %%mm0		\n\t"

  560. 	PAVGB" %%mm3, %%mm2		\n\t"

  561. 	"movq %%mm0, (%2)		\n\t"

  562. 	"movq %%mm2, (%2, %3)		\n\t"

  563. 	"movq (%1), %%mm0		\n\t"

  564. 	"movq 1(%1), %%mm1		\n\t"

  565. 	"movq (%1, %3), %%mm2		\n\t"

  566. 	"movq 1(%1, %3), %%mm3		\n\t"

  567. 	"add %%"REG_a", %2		\n\t"

  568. 	"add %%"REG_a", %1		\n\t"

  569. 	"psubusb %%mm6, %%mm0		\n\t"

  570. 	"psubusb %%mm6, %%mm2		\n\t"

  571. 	PAVGB" %%mm1, %%mm0		\n\t"

  572. 	PAVGB" %%mm3, %%mm2		\n\t"

  573. 	"movq %%mm0, (%2)		\n\t"

  574. 	"movq %%mm2, (%2, %3)		\n\t"

  575. 	"add %%"REG_a", %2		\n\t"

  576. 	"subl $4, %0			\n\t"

  577. 	"jnz 1b				\n\t"

  578. 	:"+g"(h), "+S"(pixels), "+D"(block)

  579. 	:"r" ((long)line_size)

  580. 	:"%"REG_a, "memory");

  581. }

  582. 

  583. static void DEF(put_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)

  584. {

  585.     __asm __volatile(

  586. 	"lea (%3, %3), %%"REG_a"	\n\t"

  587. 	"movq (%1), %%mm0		\n\t"

  588. 	"sub %3, %2			\n\t"

  589. 	"1:				\n\t"

  590. 	"movq (%1, %3), %%mm1		\n\t"

  591. 	"movq (%1, %%"REG_a"), %%mm2	\n\t"

  592. 	"add %%"REG_a", %1		\n\t"

  593. 	PAVGB" %%mm1, %%mm0		\n\t"

  594. 	PAVGB" %%mm2, %%mm1		\n\t"

  595. 	"movq %%mm0, (%2, %3)		\n\t"

  596. 	"movq %%mm1, (%2, %%"REG_a")	\n\t"

  597. 	"movq (%1, %3), %%mm1		\n\t"

  598. 	"movq (%1, %%"REG_a"), %%mm0	\n\t"

  599. 	"add %%"REG_a", %2		\n\t"

  600. 	"add %%"REG_a", %1		\n\t"

  601. 	PAVGB" %%mm1, %%mm2		\n\t"

  602. 	PAVGB" %%mm0, %%mm1		\n\t"

  603. 	"movq %%mm2, (%2, %3)		\n\t"

  604. 	"movq %%mm1, (%2, %%"REG_a")	\n\t"

  605. 	"add %%"REG_a", %2		\n\t"

  606. 	"subl $4, %0			\n\t"

  607. 	"jnz 1b				\n\t"

  608. 	:"+g"(h), "+S"(pixels), "+D" (block)

  609. 	:"r" ((long)line_size)

  610. 	:"%"REG_a, "memory");

  611. }

  612. 

  613. /* GL: this function does incorrect rounding if overflow */

  614. static void DEF(put_no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)

  615. {

  616.     MOVQ_BONE(mm6);

  617.     __asm __volatile(

  618. 	"lea (%3, %3), %%"REG_a"	\n\t"

  619. 	"movq (%1), %%mm0		\n\t"

  620. 	"sub %3, %2			\n\t"

  621. 	"1:				\n\t"

  622. 	"movq (%1, %3), %%mm1		\n\t"

  623. 	"movq (%1, %%"REG_a"), %%mm2	\n\t"

  624. 	"add %%"REG_a", %1		\n\t"

  625. 	"psubusb %%mm6, %%mm1		\n\t"

  626. 	PAVGB" %%mm1, %%mm0		\n\t"

  627. 	PAVGB" %%mm2, %%mm1		\n\t"

  628. 	"movq %%mm0, (%2, %3)		\n\t"

  629. 	"movq %%mm1, (%2, %%"REG_a")	\n\t"

  630. 	"movq (%1, %3), %%mm1		\n\t"

  631. 	"movq (%1, %%"REG_a"), %%mm0	\n\t"

  632. 	"add %%"REG_a", %2		\n\t"

  633. 	"add %%"REG_a", %1		\n\t"

  634. 	"psubusb %%mm6, %%mm1		\n\t"

  635. 	PAVGB" %%mm1, %%mm2		\n\t"

  636. 	PAVGB" %%mm0, %%mm1		\n\t"

  637. 	"movq %%mm2, (%2, %3)		\n\t"

  638. 	"movq %%mm1, (%2, %%"REG_a")	\n\t"

  639. 	"add %%"REG_a", %2		\n\t"

  640. 	"subl $4, %0			\n\t"

  641. 	"jnz 1b				\n\t"

  642. 	:"+g"(h), "+S"(pixels), "+D" (block)

  643. 	:"r" ((long)line_size)

  644. 	:"%"REG_a, "memory");

  645. }

  646. 

  647. static void DEF(avg_pixels8)(uint8_t *block, const uint8_t *pixels, int line_size, int h)

  648. {

  649.     __asm __volatile(

  650. 	"lea (%3, %3), %%"REG_a"	\n\t"

  651. 	"1:				\n\t"

  652. 	"movq (%2), %%mm0		\n\t"

  653. 	"movq (%2, %3), %%mm1		\n\t"

  654. 	PAVGB" (%1), %%mm0		\n\t"

  655. 	PAVGB" (%1, %3), %%mm1		\n\t"

  656. 	"movq %%mm0, (%2)		\n\t"

  657. 	"movq %%mm1, (%2, %3)		\n\t"

  658. 	"add %%"REG_a", %1		\n\t"

  659. 	"add %%"REG_a", %2		\n\t"

  660. 	"movq (%2), %%mm0		\n\t"

  661. 	"movq (%2, %3), %%mm1		\n\t"

  662. 	PAVGB" (%1), %%mm0		\n\t"

  663. 	PAVGB" (%1, %3), %%mm1		\n\t"

  664. 	"add %%"REG_a", %1		\n\t"

  665. 	"movq %%mm0, (%2)		\n\t"

  666. 	"movq %%mm1, (%2, %3)		\n\t"

  667. 	"add %%"REG_a", %2		\n\t"

  668. 	"subl $4, %0			\n\t"

  669. 	"jnz 1b				\n\t"

  670. 	:"+g"(h), "+S"(pixels), "+D"(block)

  671. 	:"r" ((long)line_size)

  672. 	:"%"REG_a, "memory");

  673. }

  674. 

  675. static void DEF(avg_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)

  676. {

  677.     __asm __volatile(

  678. 	"lea (%3, %3), %%"REG_a"	\n\t"

  679. 	"1:				\n\t"

  680. 	"movq (%1), %%mm0		\n\t"

  681. 	"movq (%1, %3), %%mm2		\n\t"

  682. 	PAVGB" 1(%1), %%mm0		\n\t"

  683. 	PAVGB" 1(%1, %3), %%mm2		\n\t"

  684. 	PAVGB" (%2), %%mm0		\n\t"

  685. 	PAVGB" (%2, %3), %%mm2		\n\t"

  686. 	"add %%"REG_a", %1		\n\t"

  687. 	"movq %%mm0, (%2)		\n\t"

  688. 	"movq %%mm2, (%2, %3)		\n\t"

  689. 	"movq (%1), %%mm0		\n\t"

  690. 	"movq (%1, %3), %%mm2		\n\t"

  691. 	PAVGB" 1(%1), %%mm0		\n\t"

  692. 	PAVGB" 1(%1, %3), %%mm2		\n\t"

  693. 	"add %%"REG_a", %2		\n\t"

  694. 	"add %%"REG_a", %1		\n\t"

  695. 	PAVGB" (%2), %%mm0		\n\t"

  696. 	PAVGB" (%2, %3), %%mm2		\n\t"

  697. 	"movq %%mm0, (%2)		\n\t"

  698. 	"movq %%mm2, (%2, %3)		\n\t"

  699. 	"add %%"REG_a", %2		\n\t"

  700. 	"subl $4, %0			\n\t"

  701. 	"jnz 1b				\n\t"

  702. 	:"+g"(h), "+S"(pixels), "+D"(block)

  703. 	:"r" ((long)line_size)

  704. 	:"%"REG_a, "memory");

  705. }

  706. 

  707. static void DEF(avg_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)

  708. {

  709.     __asm __volatile(

  710. 	"lea (%3, %3), %%"REG_a"	\n\t"

  711. 	"movq (%1), %%mm0		\n\t"

  712. 	"sub %3, %2			\n\t"

  713. 	"1:				\n\t"

  714. 	"movq (%1, %3), %%mm1		\n\t"

  715. 	"movq (%1, %%"REG_a"), %%mm2	\n\t"

  716. 	"add %%"REG_a", %1		\n\t"

  717. 	PAVGB" %%mm1, %%mm0		\n\t"

  718. 	PAVGB" %%mm2, %%mm1		\n\t"

  719. 	"movq (%2, %3), %%mm3		\n\t"

  720. 	"movq (%2, %%"REG_a"), %%mm4	\n\t"

  721. 	PAVGB" %%mm3, %%mm0		\n\t"

  722. 	PAVGB" %%mm4, %%mm1		\n\t"

  723. 	"movq %%mm0, (%2, %3)		\n\t"

  724. 	"movq %%mm1, (%2, %%"REG_a")	\n\t"

  725. 	"movq (%1, %3), %%mm1		\n\t"

  726. 	"movq (%1, %%"REG_a"), %%mm0	\n\t"

  727. 	PAVGB" %%mm1, %%mm2		\n\t"

  728. 	PAVGB" %%mm0, %%mm1		\n\t"

  729. 	"add %%"REG_a", %2		\n\t"

  730. 	"add %%"REG_a", %1		\n\t"

  731. 	"movq (%2, %3), %%mm3		\n\t"

  732. 	"movq (%2, %%"REG_a"), %%mm4	\n\t"

  733. 	PAVGB" %%mm3, %%mm2		\n\t"

  734. 	PAVGB" %%mm4, %%mm1		\n\t"

  735. 	"movq %%mm2, (%2, %3)		\n\t"

  736. 	"movq %%mm1, (%2, %%"REG_a")	\n\t"

  737. 	"add %%"REG_a", %2		\n\t"

  738. 	"subl $4, %0			\n\t"

  739. 	"jnz 1b				\n\t"

  740. 	:"+g"(h), "+S"(pixels), "+D"(block)

  741. 	:"r" ((long)line_size)

  742. 	:"%"REG_a, "memory");

  743. }

  744. 

  745. // Note this is not correctly rounded, but this function is only used for b frames so it doesnt matter 

  746. static void DEF(avg_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)

  747. {

  748.     MOVQ_BONE(mm6);

  749.     __asm __volatile(

  750. 	"lea (%3, %3), %%"REG_a"	\n\t"

  751. 	"movq (%1), %%mm0		\n\t"

  752. 	PAVGB" 1(%1), %%mm0		\n\t"

  753. 	".balign 8			\n\t"

  754. 	"1:				\n\t"

  755. 	"movq (%1, %%"REG_a"), %%mm2	\n\t"

  756. 	"movq (%1, %3), %%mm1		\n\t"

  757. 	"psubusb %%mm6, %%mm2		\n\t"

  758. 	PAVGB" 1(%1, %3), %%mm1		\n\t"

  759. 	PAVGB" 1(%1, %%"REG_a"), %%mm2	\n\t"

  760. 	"add %%"REG_a", %1		\n\t"

  761. 	PAVGB" %%mm1, %%mm0		\n\t"

  762. 	PAVGB" %%mm2, %%mm1		\n\t"

  763. 	PAVGB" (%2), %%mm0		\n\t"

  764. 	PAVGB" (%2, %3), %%mm1		\n\t"

  765. 	"movq %%mm0, (%2)		\n\t"

  766. 	"movq %%mm1, (%2, %3)		\n\t"

  767. 	"movq (%1, %3), %%mm1		\n\t"

  768. 	"movq (%1, %%"REG_a"), %%mm0	\n\t"

  769. 	PAVGB" 1(%1, %3), %%mm1		\n\t"

  770. 	PAVGB" 1(%1, %%"REG_a"), %%mm0	\n\t"

  771. 	"add %%"REG_a", %2		\n\t"

  772. 	"add %%"REG_a", %1		\n\t"

  773. 	PAVGB" %%mm1, %%mm2		\n\t"

  774. 	PAVGB" %%mm0, %%mm1		\n\t"

  775. 	PAVGB" (%2), %%mm2		\n\t"

  776. 	PAVGB" (%2, %3), %%mm1		\n\t"

  777. 	"movq %%mm2, (%2)		\n\t"

  778. 	"movq %%mm1, (%2, %3)		\n\t"

  779. 	"add %%"REG_a", %2		\n\t"

  780. 	"subl $4, %0			\n\t"

  781. 	"jnz 1b				\n\t"

  782. 	:"+g"(h), "+S"(pixels), "+D"(block)

  783. 	:"r" ((long)line_size)

  784. 	:"%"REG_a,  "memory");

  785. }

  786. 

  787. //FIXME the following could be optimized too ...

  788. static void DEF(put_no_rnd_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){

  789.     DEF(put_no_rnd_pixels8_x2)(block  , pixels  , line_size, h);

  790.     DEF(put_no_rnd_pixels8_x2)(block+8, pixels+8, line_size, h);

  791. }

  792. static void DEF(put_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){

  793.     DEF(put_pixels8_y2)(block  , pixels  , line_size, h);

  794.     DEF(put_pixels8_y2)(block+8, pixels+8, line_size, h);

  795. }

  796. static void DEF(put_no_rnd_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){

  797.     DEF(put_no_rnd_pixels8_y2)(block  , pixels  , line_size, h);

  798.     DEF(put_no_rnd_pixels8_y2)(block+8, pixels+8, line_size, h);

  799. }

  800. static void DEF(avg_pixels16)(uint8_t *block, const uint8_t *pixels, int line_size, int h){

  801.     DEF(avg_pixels8)(block  , pixels  , line_size, h);

  802.     DEF(avg_pixels8)(block+8, pixels+8, line_size, h);

  803. }

  804. static void DEF(avg_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){

  805.     DEF(avg_pixels8_x2)(block  , pixels  , line_size, h);

  806.     DEF(avg_pixels8_x2)(block+8, pixels+8, line_size, h);

  807. }

  808. static void DEF(avg_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){

  809.     DEF(avg_pixels8_y2)(block  , pixels  , line_size, h);

  810.     DEF(avg_pixels8_y2)(block+8, pixels+8, line_size, h);

  811. }

  812. static void DEF(avg_pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){

  813.     DEF(avg_pixels8_xy2)(block  , pixels  , line_size, h);

  814.     DEF(avg_pixels8_xy2)(block+8, pixels+8, line_size, h);

  815. }