--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/i386/sad8x8avg_i386.c Fri Apr 16 16:46:38 2010 +0300
@@ -0,0 +1,163 @@
+/*
+ * LIBOIL - Library of Optimized Inner Loops
+ * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <liboil/liboilfunction.h>
+
+OIL_DECLARE_CLASS (sad8x8_u8_avg);
+
+static void
+sad8x8_u8_avg_mmx (uint32_t *dest, uint8_t *src1, int ss1, uint8_t *src2, uint8_t *src3, int ss2)
+{
+#if !defined(__WINSCW__) && !defined(__WINS__)
+uint32_t diff;
+
+ __asm__ __volatile__ (
+ " pcmpeqd %%mm5, %%mm5 \n\t" /* fefefefefefefefe in mm5 */
+ " paddb %%mm5, %%mm5 \n\t"
+
+ " pxor %%mm6, %%mm6 \n\t" /* zero out mm6 for unpack */
+ " pxor %%mm7, %%mm7 \n\t" /* mm7 contains the result */
+ " mov $8, %%edi \n\t" /* 8 rows */
+ "1: \n\t"
+ " movq (%1), %%mm0 \n\t" /* take 8 bytes */
+
+ " movq (%2), %%mm2 \n\t"
+ " movq (%3), %%mm3 \n\t" /* take average of mm2 and mm3 */
+ " movq %%mm2, %%mm1 \n\t"
+ " pand %%mm3, %%mm1 \n\t"
+ " pxor %%mm2, %%mm3 \n\t"
+ " pand %%mm5, %%mm3 \n\t"
+ " psrlq $1, %%mm3 \n\t"
+ " paddb %%mm3, %%mm1 \n\t"
+
+ " movq %%mm0, %%mm2 \n\t"
+
+ " psubusb %%mm1, %%mm0 \n\t" /* A - B */
+ " psubusb %%mm2, %%mm1 \n\t" /* B - A */
+ " por %%mm1, %%mm0 \n\t" /* and or gives abs difference */
+ " movq %%mm0, %%mm1 \n\t"
+
+ " punpcklbw %%mm6, %%mm0 \n\t" /* unpack to higher precision for accumulation */
+ " paddw %%mm0, %%mm7 \n\t" /* accumulate difference... */
+ " punpckhbw %%mm6, %%mm1 \n\t" /* unpack high four bytes to higher precision */
+ " add %4, %1 \n\t" /* Inc pointer into the new data */
+ " paddw %%mm1, %%mm7 \n\t" /* accumulate difference... */
+ " add %5, %2 \n\t" /* Inc pointer into ref data */
+ " add %5, %3 \n\t" /* Inc pointer into ref data */
+
+ " dec %%edi \n\t"
+ " jnz 1b \n\t"
+
+ " movq %%mm7, %%mm0 \n\t"
+ " psrlq $32, %%mm7 \n\t"
+ " paddw %%mm0, %%mm7 \n\t"
+ " movq %%mm7, %%mm0 \n\t"
+ " psrlq $16, %%mm7 \n\t"
+ " paddw %%mm0, %%mm7 \n\t"
+ " movd %%mm7, %0 \n\t"
+ " andl $0xffff, %0 \n\t"
+ " emms \n\t"
+
+ : "=m" (diff),
+ "+r" (src1),
+ "+r" (src2),
+ "+r" (src3)
+ : "m" (ss1),
+ "m" (ss2)
+ : "edi", "memory"
+ );
+ *dest = diff;
+#endif
+}
+
+OIL_DEFINE_IMPL_FULL (sad8x8_u8_avg_mmx, sad8x8_u8_avg, OIL_IMPL_FLAG_MMX);
+
+static void
+sad8x8_u8_avg_mmxext (uint32_t *dest, uint8_t *src1, int ss1, uint8_t *src2, uint8_t *src3, int ss2)
+{
+#if !defined(__WINSCW__) && !defined(__WINS__)
+ uint32_t diff;
+
+ __asm__ __volatile__ (
+ " pxor %%mm7, %%mm7 \n\t" /* mm7 contains the result */
+ " mov $0x01010101, %%eax \n\t"
+ " movd %%eax, %%mm6 \n\t"
+ " punpcklbw %%mm6, %%mm6 \n\t"
+ " mov $8, %%eax \n\t"
+ "1: \n\t"
+ " movq (%1), %%mm0 \n\t" /* take 8 bytes */
+ " movq (%2), %%mm1 \n\t"
+ " movq (%3), %%mm2 \n\t"
+ " movq %%mm1, %%mm3 \n\t"
+ " pavgb %%mm2, %%mm1 \n\t"
+ " pxor %%mm2, %%mm3 \n\t"
+ " pand %%mm6, %%mm3 \n\t"
+ " psubb %%mm3, %%mm1 \n\t"
+ " psadbw %%mm1, %%mm0 \n\t"
+
+ " add %4, %1 \n\t" /* Inc pointer into the new data */
+ " paddw %%mm0, %%mm7 \n\t" /* accumulate difference... */
+ " add %5, %2 \n\t" /* Inc pointer into ref data */
+ " add %5, %3 \n\t" /* Inc pointer into ref data */
+ " decl %%eax \n\t"
+ " jnz 1b \n\t"
+
+ " movd %%mm7, %0 \n\t"
+ " emms \n\t"
+ : "=m" (diff),
+ "+r" (src1),
+ "+r" (src2),
+ "+r" (src3)
+ : "m" (ss1),
+ "m" (ss2)
+ : "eax", "memory"
+ );
+ *dest = diff;
+#endif
+}
+OIL_DEFINE_IMPL_FULL (sad8x8_u8_avg_mmxext, sad8x8_u8_avg, OIL_IMPL_FLAG_MMX | OIL_IMPL_FLAG_MMXEXT);
+
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_sad8x8_u8_avg_mmx, sad8x8_u8_avg() {
+ return &_oil_function_impl_sad8x8_u8_avg_mmx, sad8x8_u8_avg;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_sad8x8_u8_avg_mmxext, sad8x8_u8_avg() {
+ return &_oil_function_impl_sad8x8_u8_avg_mmxext, sad8x8_u8_avg;
+}
+#endif
+