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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2009 Loren Merritt |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include "config.h" |
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| 22 | #include "libavutil/x86/asm.h" |
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| 23 | #include "dsputil_x86.h" |
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| 24 | |||
| 25 | #if HAVE_INLINE_ASM |
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| 26 | |||
| 27 | #if HAVE_7REGS |
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| 28 | void ff_add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top, |
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| 29 | const uint8_t *diff, int w, |
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| 30 | int *left, int *left_top) |
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| 31 | { |
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| 32 | x86_reg w2 = -w; |
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| 33 | x86_reg x; |
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| 34 | int l = *left & 0xff; |
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| 35 | int tl = *left_top & 0xff; |
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| 36 | int t; |
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| 37 | __asm__ volatile ( |
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| 38 | "mov %7, %3 \n" |
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| 39 | "1: \n" |
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| 40 | "movzbl (%3, %4), %2 \n" |
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| 41 | "mov %2, %k3 \n" |
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| 42 | "sub %b1, %b3 \n" |
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| 43 | "add %b0, %b3 \n" |
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| 44 | "mov %2, %1 \n" |
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| 45 | "cmp %0, %2 \n" |
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| 46 | "cmovg %0, %2 \n" |
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| 47 | "cmovg %1, %0 \n" |
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| 48 | "cmp %k3, %0 \n" |
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| 49 | "cmovg %k3, %0 \n" |
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| 50 | "mov %7, %3 \n" |
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| 51 | "cmp %2, %0 \n" |
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| 52 | "cmovl %2, %0 \n" |
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| 53 | "add (%6, %4), %b0 \n" |
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| 54 | "mov %b0, (%5, %4) \n" |
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| 55 | "inc %4 \n" |
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| 56 | "jl 1b \n" |
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| 57 | : "+&q"(l), "+&q"(tl), "=&r"(t), "=&q"(x), "+&r"(w2) |
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| 58 | : "r"(dst + w), "r"(diff + w), "rm"(top + w) |
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| 59 | ); |
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| 60 | *left = l; |
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| 61 | *left_top = tl; |
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| 62 | } |
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| 63 | #endif |
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| 64 | |||
| 65 | #endif /* HAVE_INLINE_ASM */ |