dsputil: Split off global motion compensation bits into a separate context

1 files changed, 0 insertions, 124 deletions

diff --git a/libavcodec/ppc/gmc_altivec.c b/libavcodec/ppc/gmc_altivec.c
deleted file mode 100644
index ef35f9d46d..0000000000
--- a/libavcodec/ppc/gmc_altivec.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * GMC (Global Motion Compensation), AltiVec-enabled
- *
- * Copyright (c) 2003 Romain Dolbeau <romain@dolbeau.org>
- *
- * This file is part of Libav.
- *
- * Libav 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 2.1 of the License, or (at your option) any later version.
- *
- * Libav 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 Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "libavutil/mem.h"
-#include "libavutil/ppc/types_altivec.h"
-#include "libavutil/ppc/util_altivec.h"
-#include "dsputil_altivec.h"
-
-/* AltiVec-enhanced gmc1. ATM this code assumes stride is a multiple of 8
- * to preserve proper dst alignment. */
-void ff_gmc1_altivec(uint8_t *dst /* align 8 */, uint8_t *src /* align1 */,
-                     int stride, int h, int x16, int y16, int rounder)
-{
-    int i;
-    const DECLARE_ALIGNED(16, unsigned short, rounder_a) = rounder;
-    const DECLARE_ALIGNED(16, unsigned short, ABCD)[8] = {
-        (16 - x16) * (16 - y16), /* A */
-             (x16) * (16 - y16), /* B */
-        (16 - x16) * (y16),      /* C */
-             (x16) * (y16),      /* D */
-        0, 0, 0, 0               /* padding */
-    };
-    register const vector unsigned char vczero =
-        (const vector unsigned char) vec_splat_u8(0);
-    register const vector unsigned short vcsr8 =
-        (const vector unsigned short) vec_splat_u16(8);
-    register vector unsigned char dstv, dstv2, srcvB, srcvC, srcvD;
-    register vector unsigned short tempB, tempC, tempD;
-    unsigned long dst_odd        = (unsigned long) dst & 0x0000000F;
-    unsigned long src_really_odd = (unsigned long) src & 0x0000000F;
-    register vector unsigned short tempA =
-        vec_ld(0, (const unsigned short *) ABCD);
-    register vector unsigned short Av = vec_splat(tempA, 0);
-    register vector unsigned short Bv = vec_splat(tempA, 1);
-    register vector unsigned short Cv = vec_splat(tempA, 2);
-    register vector unsigned short Dv = vec_splat(tempA, 3);
-    register vector unsigned short rounderV =
-        vec_splat((vec_u16) vec_lde(0, &rounder_a), 0);
-
-    /* we'll be able to pick-up our 9 char elements at src from those
-     * 32 bytes we load the first batch here, as inside the loop we can
-     * reuse 'src + stride' from one iteration as the 'src' of the next. */
-    register vector unsigned char src_0 = vec_ld(0, src);
-    register vector unsigned char src_1 = vec_ld(16, src);
-    register vector unsigned char srcvA = vec_perm(src_0, src_1,
-                                                   vec_lvsl(0, src));
-
-    if (src_really_odd != 0x0000000F)
-        /* If src & 0xF == 0xF, then (src + 1) is properly aligned
-         * on the second vector. */
-        srcvB = vec_perm(src_0, src_1, vec_lvsl(1, src));
-    else
-        srcvB = src_1;
-    srcvA = vec_mergeh(vczero, srcvA);
-    srcvB = vec_mergeh(vczero, srcvB);
-
-    for (i = 0; i < h; i++) {
-        dst_odd        =   (unsigned long) dst            & 0x0000000F;
-        src_really_odd = (((unsigned long) src) + stride) & 0x0000000F;
-
-        dstv = vec_ld(0, dst);
-
-        /* We'll be able to pick-up our 9 char elements at src + stride from
-         * those 32 bytes then reuse the resulting 2 vectors srvcC and srcvD
-         * as the next srcvA and srcvB. */
-        src_0 = vec_ld(stride +  0, src);
-        src_1 = vec_ld(stride + 16, src);
-        srcvC = vec_perm(src_0, src_1, vec_lvsl(stride + 0, src));
-
-        if (src_really_odd != 0x0000000F)
-            /* If src & 0xF == 0xF, then (src + 1) is properly aligned
-             * on the second vector. */
-            srcvD = vec_perm(src_0, src_1, vec_lvsl(stride + 1, src));
-        else
-            srcvD = src_1;
-
-        srcvC = vec_mergeh(vczero, srcvC);
-        srcvD = vec_mergeh(vczero, srcvD);
-
-        /* OK, now we (finally) do the math :-)
-         * Those four instructions replace 32 int muls & 32 int adds.
-         * Isn't AltiVec nice? */
-        tempA = vec_mladd((vector unsigned short) srcvA, Av, rounderV);
-        tempB = vec_mladd((vector unsigned short) srcvB, Bv, tempA);
-        tempC = vec_mladd((vector unsigned short) srcvC, Cv, tempB);
-        tempD = vec_mladd((vector unsigned short) srcvD, Dv, tempC);
-
-        srcvA = srcvC;
-        srcvB = srcvD;
-
-        tempD = vec_sr(tempD, vcsr8);
-
-        dstv2 = vec_pack(tempD, (vector unsigned short) vczero);
-
-        if (dst_odd)
-            dstv2 = vec_perm(dstv, dstv2, vcprm(0, 1, s0, s1));
-        else
-            dstv2 = vec_perm(dstv, dstv2, vcprm(s0, s1, 2, 3));
-
-        vec_st(dstv2, 0, dst);
-
-        dst += stride;
-        src += stride;
-    }
-}