--- /dev/null
- * This file is part of Libav.
+ /*
+ * Copyright (c) 2009 Loren Merritt <lorenm@u.washington.edu>
+ *
- * Libav is free software; you can redistribute it and/or
++ * This file is part of FFmpeg.
+ *
- * Libav is distributed in the hope that it will be useful,
++ * FFmpeg 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.
+ *
- * License along with Libav; if not, write to the Free Software
++ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+ #include "config.h"
+ #include "libavutil/x86/asm.h"
+ #include "dsputil_x86.h"
+
+ #if HAVE_INLINE_ASM
+
+ #if HAVE_7REGS
+ void ff_add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top,
+ const uint8_t *diff, int w,
+ int *left, int *left_top)
+ {
+ x86_reg w2 = -w;
+ x86_reg x;
+ int l = *left & 0xff;
+ int tl = *left_top & 0xff;
+ int t;
+ __asm__ volatile (
+ "mov %7, %3 \n"
+ "1: \n"
+ "movzbl (%3, %4), %2 \n"
+ "mov %2, %k3 \n"
+ "sub %b1, %b3 \n"
+ "add %b0, %b3 \n"
+ "mov %2, %1 \n"
+ "cmp %0, %2 \n"
+ "cmovg %0, %2 \n"
+ "cmovg %1, %0 \n"
+ "cmp %k3, %0 \n"
+ "cmovg %k3, %0 \n"
+ "mov %7, %3 \n"
+ "cmp %2, %0 \n"
+ "cmovl %2, %0 \n"
+ "add (%6, %4), %b0 \n"
+ "mov %b0, (%5, %4) \n"
+ "inc %4 \n"
+ "jl 1b \n"
+ : "+&q"(l), "+&q"(tl), "=&r"(t), "=&q"(x), "+&r"(w2)
+ : "r"(dst + w), "r"(diff + w), "rm"(top + w)
+ );
+ *left = l;
+ *left_top = tl;
+ }
+ #endif
+
+ #endif /* HAVE_INLINE_ASM */