Delete svn tags. We don't need them in git

[synfig.git] / synfig-core / tags / synfig_0_61_04 / synfig-core / src / modules / mod_libavcodec / libavcodec / i386 / fft_sse.c

diff --git a/synfig-core/tags/synfig_0_61_04/synfig-core/src/modules/mod_libavcodec/libavcodec/i386/fft_sse.c b/synfig-core/tags/synfig_0_61_04/synfig-core/src/modules/mod_libavcodec/libavcodec/i386/fft_sse.c
deleted file mode 100644 (file)
index 175cea5..0000000
--- a/synfig-core/tags/synfig_0_61_04/synfig-core/src/modules/mod_libavcodec/libavcodec/i386/fft_sse.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * FFT/MDCT transform with SSE optimizations
- * Copyright (c) 2002 Fabrice Bellard.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#include "../dsputil.h"
-#include <math.h>
-
-#ifdef HAVE_BUILTIN_VECTOR
-
-#include <xmmintrin.h>
-
-static const float p1p1p1m1[4] __attribute__((aligned(16))) = 
-    { 1.0, 1.0, 1.0, -1.0 };
-
-static const float p1p1m1p1[4] __attribute__((aligned(16))) = 
-    { 1.0, 1.0, -1.0, 1.0 };
-
-static const float p1p1m1m1[4] __attribute__((aligned(16))) = 
-    { 1.0, 1.0, -1.0, -1.0 };
-
-#if 0
-static void print_v4sf(const char *str, __m128 a)
-{
-    float *p = (float *)&a;
-    printf("%s: %f %f %f %f\n",
-           str, p[0], p[1], p[2], p[3]);
-}
-#endif
-
-/* XXX: handle reverse case */
-void fft_calc_sse(FFTContext *s, FFTComplex *z)
-{
-    int ln = s->nbits;
-    int        j, np, np2;
-    int        nblocks, nloops;
-    register FFTComplex *p, *q;
-    FFTComplex *cptr, *cptr1;
-    int k;
-
-    np = 1 << ln;
-
-    {
-        __m128 *r, a, b, a1, c1, c2;
-
-        r = (__m128 *)&z[0];
-        c1 = *(__m128 *)p1p1m1m1;
-        c2 = *(__m128 *)p1p1p1m1;
-        if (s->inverse)
-            c2 = *(__m128 *)p1p1m1p1;
-        else
-            c2 = *(__m128 *)p1p1p1m1;
-
-        j = (np >> 2);
-        do {
-            a = r[0];
-            b = _mm_shuffle_ps(a, a, _MM_SHUFFLE(1, 0, 3, 2));
-            a = _mm_mul_ps(a, c1);
-            /* do the pass 0 butterfly */
-            a = _mm_add_ps(a, b);
-
-            a1 = r[1];
-            b = _mm_shuffle_ps(a1, a1, _MM_SHUFFLE(1, 0, 3, 2));
-            a1 = _mm_mul_ps(a1, c1);
-            /* do the pass 0 butterfly */
-            b = _mm_add_ps(a1, b);
-
-            /* multiply third by -i */
-            b = _mm_shuffle_ps(b, b, _MM_SHUFFLE(2, 3, 1, 0));
-            b = _mm_mul_ps(b, c2);
-
-            /* do the pass 1 butterfly */
-            r[0] = _mm_add_ps(a, b);
-            r[1] = _mm_sub_ps(a, b);
-            r += 2;
-        } while (--j != 0);
-    }
-    /* pass 2 .. ln-1 */
-
-    nblocks = np >> 3;
-    nloops = 1 << 2;
-    np2 = np >> 1;
-
-    cptr1 = s->exptab1;
-    do {
-        p = z;
-        q = z + nloops;
-        j = nblocks;
-        do {
-            cptr = cptr1;
-            k = nloops >> 1;
-            do {
-                __m128 a, b, c, t1, t2;
-
-                a = *(__m128 *)p;
-                b = *(__m128 *)q;
-                
-                /* complex mul */
-                c = *(__m128 *)cptr;
-                /*  cre*re cim*re */
-                t1 = _mm_mul_ps(c, 
-                                _mm_shuffle_ps(b, b, _MM_SHUFFLE(2, 2, 0, 0))); 
-                c = *(__m128 *)(cptr + 2);
-                /*  -cim*im cre*im */
-                t2 = _mm_mul_ps(c,
-                                _mm_shuffle_ps(b, b, _MM_SHUFFLE(3, 3, 1, 1))); 
-                b = _mm_add_ps(t1, t2);
-                
-                /* butterfly */
-                *(__m128 *)p = _mm_add_ps(a, b);
-                *(__m128 *)q = _mm_sub_ps(a, b);
-                
-                p += 2;
-                q += 2;
-                cptr += 4;
-            } while (--k);
-        
-            p += nloops;
-            q += nloops;
-        } while (--j);
-        cptr1 += nloops * 2;
-        nblocks = nblocks >> 1;
-        nloops = nloops << 1;
-    } while (nblocks != 0);
-}
-
-#endif