2 * LIBOIL - Library of Optimized Inner Loops
3 * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
19 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
23 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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25 * POSSIBILITY OF SUCH DAMAGE.
31 #include <liboil/liboilfunction.h>
32 #include <liboil/liboilclasses.h>
37 conv_f32_s16_3dnow (float *dst, int dst_stride, int16_t * src, int src_stride,
42 for (i = 0; i < n; i++) {
43 asm volatile (" movswl 0(%0), %%eax \n"
44 " movd %%eax, %%mm0 \n"
45 " pi2fd %%mm0, %%mm0 \n" " movd %%mm0, 0(%1) \n"
46 ::"r" (src), "r" (dst)
49 dst = OIL_OFFSET (dst, dst_stride);
50 src = OIL_OFFSET (src, src_stride);
52 asm volatile ("emms");
55 OIL_DEFINE_IMPL_FULL (conv_f32_s16_3dnow, conv_f32_s16, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_3DNOW);
57 #ifdef ENABLE_BROKEN_IMPLS
59 /* This appears to fail because of differences in rounding of half
62 conv_s32_f32_3dnow (int32_t * dst, int dst_stride, float *src, int src_stride,
66 const float constants[][2] = {
71 for (i = 0; i < n; i++) {
73 " movq 0(%0), %%mm0 \n"
74 " pxor %%mm1, %%mm1 \n"
75 " pfcmpgt %%mm0, %%mm1 \n"
76 " movq %%mm0, %%mm2 \n"
77 " pfadd 0(%2), %%mm0 \n"
78 " pfcmpeq %%mm0, %%mm2 \n"
79 " pandn %%mm1, %%mm2 \n"
80 " pf2id %%mm0, %%mm0 \n"
81 " paddd %%mm2, %%mm0 \n"
82 " movd %%mm0, 0(%1) \n"
84 :"r" (src), "r" (dst), "r" (constants)
87 dst = OIL_OFFSET (dst, dst_stride);
88 src = OIL_OFFSET (src, src_stride);
90 asm volatile ("emms");
93 OIL_DEFINE_IMPL_FULL (conv_s32_f32_3dnow, conv_s32_f32, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_3DNOW);