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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Alpha optimized DSP utils |
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| 3 | * Copyright (c) 2002 Falk Hueffner |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | /* |
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| 23 | * These functions are scheduled for pca56. They should work |
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| 24 | * reasonably on ev6, though. |
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| 25 | */ |
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| 26 | |||
| 27 | #include "regdef.h" |
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| 28 | |||
| 29 | |||
| 30 | .set noat |
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| 31 | .set noreorder |
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| 32 | .arch pca56 |
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| 33 | .text |
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| 34 | |||
| 35 | /************************************************************************ |
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| 36 | * void put_pixels_axp_asm(uint8_t *block, const uint8_t *pixels, |
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| 37 | * int line_size, int h) |
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| 38 | */ |
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| 39 | .align 6 |
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| 40 | .globl put_pixels_axp_asm |
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| 41 | .ent put_pixels_axp_asm |
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| 42 | put_pixels_axp_asm: |
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| 43 | .frame sp, 0, ra |
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| 44 | .prologue 0 |
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| 45 | |||
| 46 | and a1, 7, t0 |
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| 47 | beq t0, $aligned |
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| 48 | |||
| 49 | .align 4 |
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| 50 | $unaligned: |
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| 51 | ldq_u t0, 0(a1) |
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| 52 | ldq_u t1, 8(a1) |
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| 53 | addq a1, a2, a1 |
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| 54 | nop |
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| 55 | |||
| 56 | ldq_u t2, 0(a1) |
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| 57 | ldq_u t3, 8(a1) |
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| 58 | addq a1, a2, a1 |
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| 59 | nop |
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| 60 | |||
| 61 | ldq_u t4, 0(a1) |
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| 62 | ldq_u t5, 8(a1) |
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| 63 | addq a1, a2, a1 |
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| 64 | nop |
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| 65 | |||
| 66 | ldq_u t6, 0(a1) |
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| 67 | ldq_u t7, 8(a1) |
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| 68 | extql t0, a1, t0 |
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| 69 | addq a1, a2, a1 |
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| 70 | |||
| 71 | extqh t1, a1, t1 |
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| 72 | addq a0, a2, t8 |
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| 73 | extql t2, a1, t2 |
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| 74 | addq t8, a2, t9 |
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| 75 | |||
| 76 | extqh t3, a1, t3 |
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| 77 | addq t9, a2, ta |
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| 78 | extql t4, a1, t4 |
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| 79 | or t0, t1, t0 |
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| 80 | |||
| 81 | extqh t5, a1, t5 |
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| 82 | or t2, t3, t2 |
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| 83 | extql t6, a1, t6 |
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| 84 | or t4, t5, t4 |
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| 85 | |||
| 86 | extqh t7, a1, t7 |
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| 87 | or t6, t7, t6 |
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| 88 | stq t0, 0(a0) |
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| 89 | stq t2, 0(t8) |
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| 90 | |||
| 91 | stq t4, 0(t9) |
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| 92 | subq a3, 4, a3 |
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| 93 | stq t6, 0(ta) |
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| 94 | addq ta, a2, a0 |
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| 95 | |||
| 96 | bne a3, $unaligned |
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| 97 | ret |
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| 98 | |||
| 99 | .align 4 |
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| 100 | $aligned: |
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| 101 | ldq t0, 0(a1) |
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| 102 | addq a1, a2, a1 |
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| 103 | ldq t1, 0(a1) |
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| 104 | addq a1, a2, a1 |
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| 105 | |||
| 106 | ldq t2, 0(a1) |
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| 107 | addq a1, a2, a1 |
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| 108 | ldq t3, 0(a1) |
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| 109 | |||
| 110 | addq a0, a2, t4 |
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| 111 | addq a1, a2, a1 |
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| 112 | addq t4, a2, t5 |
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| 113 | subq a3, 4, a3 |
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| 114 | |||
| 115 | stq t0, 0(a0) |
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| 116 | addq t5, a2, t6 |
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| 117 | stq t1, 0(t4) |
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| 118 | addq t6, a2, a0 |
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| 119 | |||
| 120 | stq t2, 0(t5) |
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| 121 | stq t3, 0(t6) |
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| 122 | |||
| 123 | bne a3, $aligned |
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| 124 | ret |
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| 125 | .end put_pixels_axp_asm |