| 1 | @
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| 2 | @ ARMv4L optimized DSP utils
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| 3 | @ Copyright (c) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
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| 4 | @
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| 5 | @ This library is free software; you can redistribute it and/or
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| 6 | @ modify it under the terms of the GNU Lesser General Public
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| 7 | @ License as published by the Free Software Foundation; either
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| 8 | @ version 2 of the License, or (at your option) any later version.
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| 9 | @
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| 10 | @ This library is distributed in the hope that it will be useful,
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| 11 | @ but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | @ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 13 | @ Lesser General Public License for more details.
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| 14 | @
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| 15 | @ You should have received a copy of the GNU Lesser General Public
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| 16 | @ License along with this library; if not, write to the Free Software
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| 17 | @ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| 18 | @
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| 19 |
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| 20 | .macro ADJ_ALIGN_QUADWORD_D shift, Rd0, Rd1, Rd2, Rd3, Rn0, Rn1, Rn2, Rn3, Rn4
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| 21 | mov \Rd0, \Rn0, lsr #(\shift * 8)
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| 22 | mov \Rd1, \Rn1, lsr #(\shift * 8)
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| 23 | mov \Rd2, \Rn2, lsr #(\shift * 8)
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| 24 | mov \Rd3, \Rn3, lsr #(\shift * 8)
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| 25 | orr \Rd0, \Rd0, \Rn1, lsl #(32 - \shift * 8)
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| 26 | orr \Rd1, \Rd1, \Rn2, lsl #(32 - \shift * 8)
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| 27 | orr \Rd2, \Rd2, \Rn3, lsl #(32 - \shift * 8)
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| 28 | orr \Rd3, \Rd3, \Rn4, lsl #(32 - \shift * 8)
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| 29 | .endm
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| 30 | .macro ADJ_ALIGN_DOUBLEWORD shift, R0, R1, R2
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| 31 | mov \R0, \R0, lsr #(\shift * 8)
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| 32 | orr \R0, \R0, \R1, lsl #(32 - \shift * 8)
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| 33 | mov \R1, \R1, lsr #(\shift * 8)
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| 34 | orr \R1, \R1, \R2, lsl #(32 - \shift * 8)
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| 35 | .endm
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| 36 | .macro ADJ_ALIGN_DOUBLEWORD_D shift, Rdst0, Rdst1, Rsrc0, Rsrc1, Rsrc2
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| 37 | mov \Rdst0, \Rsrc0, lsr #(\shift * 8)
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| 38 | mov \Rdst1, \Rsrc1, lsr #(\shift * 8)
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| 39 | orr \Rdst0, \Rdst0, \Rsrc1, lsl #(32 - (\shift * 8))
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| 40 | orr \Rdst1, \Rdst1, \Rsrc2, lsl #(32 - (\shift * 8))
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| 41 | .endm
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| 42 |
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| 43 | .macro RND_AVG32 Rd0, Rd1, Rn0, Rn1, Rm0, Rm1, Rmask
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| 44 | @ Rd = (Rn | Rm) - (((Rn ^ Rm) & ~0x01010101) >> 1)
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| 45 | @ Rmask = 0xFEFEFEFE
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| 46 | @ Rn = destroy
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| 47 | eor \Rd0, \Rn0, \Rm0
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| 48 | eor \Rd1, \Rn1, \Rm1
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| 49 | orr \Rn0, \Rn0, \Rm0
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| 50 | orr \Rn1, \Rn1, \Rm1
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| 51 | and \Rd0, \Rd0, \Rmask
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| 52 | and \Rd1, \Rd1, \Rmask
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| 53 | sub \Rd0, \Rn0, \Rd0, lsr #1
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| 54 | sub \Rd1, \Rn1, \Rd1, lsr #1
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| 55 | .endm
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| 56 |
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| 57 | .macro NO_RND_AVG32 Rd0, Rd1, Rn0, Rn1, Rm0, Rm1, Rmask
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| 58 | @ Rd = (Rn & Rm) - (((Rn ^ Rm) & ~0x01010101) >> 1)
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| 59 | @ Rmask = 0xFEFEFEFE
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| 60 | @ Rn = destroy
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| 61 | eor \Rd0, \Rn0, \Rm0
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| 62 | eor \Rd1, \Rn1, \Rm1
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| 63 | and \Rn0, \Rn0, \Rm0
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| 64 | and \Rn1, \Rn1, \Rm1
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| 65 | and \Rd0, \Rd0, \Rmask
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| 66 | and \Rd1, \Rd1, \Rmask
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| 67 | add \Rd0, \Rn0, \Rd0, lsr #1
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| 68 | add \Rd1, \Rn1, \Rd1, lsr #1
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| 69 | .endm
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| 70 |
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| 71 | @ ----------------------------------------------------------------
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| 72 | .align 8
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| 73 | .global put_pixels16_arm
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| 74 | put_pixels16_arm:
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| 75 | @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
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| 76 | @ block = word aligned, pixles = unaligned
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| 77 | pld [r1]
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| 78 | stmfd sp!, {r4-r11, lr} @ R14 is also called LR
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| 79 | adr r5, 5f
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| 80 | ands r4, r1, #3
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| 81 | bic r1, r1, #3
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| 82 | add r5, r5, r4, lsl #2
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| 83 | ldrne pc, [r5]
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| 84 | 1:
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| 85 | ldmia r1, {r4-r7}
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| 86 | add r1, r1, r2
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| 87 | stmia r0, {r4-r7}
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| 88 | pld [r1]
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| 89 | subs r3, r3, #1
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| 90 | add r0, r0, r2
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| 91 | bne 1b
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| 92 | ldmfd sp!, {r4-r11, pc}
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| 93 | .align 8
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| 94 | 2:
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| 95 | ldmia r1, {r4-r8}
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| 96 | add r1, r1, r2
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| 97 | ADJ_ALIGN_QUADWORD_D 1, r9, r10, r11, r12, r4, r5, r6, r7, r8
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| 98 | pld [r1]
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| 99 | subs r3, r3, #1
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| 100 | stmia r0, {r9-r12}
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| 101 | add r0, r0, r2
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| 102 | bne 2b
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| 103 | ldmfd sp!, {r4-r11, pc}
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| 104 | .align 8
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| 105 | 3:
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| 106 | ldmia r1, {r4-r8}
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| 107 | add r1, r1, r2
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| 108 | ADJ_ALIGN_QUADWORD_D 2, r9, r10, r11, r12, r4, r5, r6, r7, r8
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| 109 | pld [r1]
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| 110 | subs r3, r3, #1
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| 111 | stmia r0, {r9-r12}
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| 112 | add r0, r0, r2
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| 113 | bne 3b
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| 114 | ldmfd sp!, {r4-r11, pc}
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| 115 | .align 8
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| 116 | 4:
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| 117 | ldmia r1, {r4-r8}
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| 118 | add r1, r1, r2
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| 119 | ADJ_ALIGN_QUADWORD_D 3, r9, r10, r11, r12, r4, r5, r6, r7, r8
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| 120 | pld [r1]
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| 121 | subs r3, r3, #1
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| 122 | stmia r0, {r9-r12}
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| 123 | add r0, r0, r2
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| 124 | bne 4b
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| 125 | ldmfd sp!, {r4-r11,pc}
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| 126 | .align 8
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| 127 | 5:
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| 128 | .word 1b
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| 129 | .word 2b
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| 130 | .word 3b
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| 131 | .word 4b
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| 132 |
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| 133 | @ ----------------------------------------------------------------
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| 134 | .align 8
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| 135 | .global put_pixels8_arm
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| 136 | put_pixels8_arm:
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| 137 | @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
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| 138 | @ block = word aligned, pixles = unaligned
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| 139 | pld [r1]
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| 140 | stmfd sp!, {r4-r5,lr} @ R14 is also called LR
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| 141 | adr r5, 5f
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| 142 | ands r4, r1, #3
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| 143 | bic r1, r1, #3
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| 144 | add r5, r5, r4, lsl #2
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| 145 | ldrne pc, [r5]
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| 146 | 1:
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| 147 | ldmia r1, {r4-r5}
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| 148 | add r1, r1, r2
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| 149 | subs r3, r3, #1
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| 150 | pld [r1]
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| 151 | stmia r0, {r4-r5}
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| 152 | add r0, r0, r2
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| 153 | bne 1b
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| 154 | ldmfd sp!, {r4-r5,pc}
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| 155 | .align 8
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| 156 | 2:
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| 157 | ldmia r1, {r4-r5, r12}
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| 158 | add r1, r1, r2
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| 159 | ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r12
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| 160 | pld [r1]
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| 161 | subs r3, r3, #1
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| 162 | stmia r0, {r4-r5}
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| 163 | add r0, r0, r2
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| 164 | bne 2b
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| 165 | ldmfd sp!, {r4-r5,pc}
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| 166 | .align 8
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| 167 | 3:
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| 168 | ldmia r1, {r4-r5, r12}
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| 169 | add r1, r1, r2
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| 170 | ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r12
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| 171 | pld [r1]
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| 172 | subs r3, r3, #1
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| 173 | stmia r0, {r4-r5}
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| 174 | add r0, r0, r2
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| 175 | bne 3b
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| 176 | ldmfd sp!, {r4-r5,pc}
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| 177 | .align 8
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| 178 | 4:
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| 179 | ldmia r1, {r4-r5, r12}
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| 180 | add r1, r1, r2
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| 181 | ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r12
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| 182 | pld [r1]
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| 183 | subs r3, r3, #1
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| 184 | stmia r0, {r4-r5}
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| 185 | add r0, r0, r2
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| 186 | bne 4b
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| 187 | ldmfd sp!, {r4-r5,pc}
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| 188 | .align 8
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| 189 | 5:
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| 190 | .word 1b
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| 191 | .word 2b
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| 192 | .word 3b
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| 193 | .word 4b
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| 194 |
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| 195 | @ ----------------------------------------------------------------
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| 196 | .align 8
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| 197 | .global put_pixels8_x2_arm
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| 198 | put_pixels8_x2_arm:
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| 199 | @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
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| 200 | @ block = word aligned, pixles = unaligned
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| 201 | pld [r1]
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| 202 | stmfd sp!, {r4-r10,lr} @ R14 is also called LR
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| 203 | adr r5, 5f
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| 204 | ands r4, r1, #3
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| 205 | ldr r12, [r5]
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| 206 | add r5, r5, r4, lsl #2
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| 207 | bic r1, r1, #3
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| 208 | ldrne pc, [r5]
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| 209 | 1:
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| 210 | ldmia r1, {r4-r5, r10}
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| 211 | add r1, r1, r2
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| 212 | ADJ_ALIGN_DOUBLEWORD_D 1, r6, r7, r4, r5, r10
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| 213 | pld [r1]
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| 214 | RND_AVG32 r8, r9, r4, r5, r6, r7, r12
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| 215 | subs r3, r3, #1
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| 216 | stmia r0, {r8-r9}
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| 217 | add r0, r0, r2
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| 218 | bne 1b
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| 219 | ldmfd sp!, {r4-r10,pc}
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| 220 | .align 8
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| 221 | 2:
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| 222 | ldmia r1, {r4-r5, r10}
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| 223 | add r1, r1, r2
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| 224 | ADJ_ALIGN_DOUBLEWORD_D 1, r6, r7, r4, r5, r10
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| 225 | ADJ_ALIGN_DOUBLEWORD_D 2, r8, r9, r4, r5, r10
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| 226 | pld [r1]
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| 227 | RND_AVG32 r4, r5, r6, r7, r8, r9, r12
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| 228 | subs r3, r3, #1
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| 229 | stmia r0, {r4-r5}
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| 230 | add r0, r0, r2
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| 231 | bne 2b
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| 232 | ldmfd sp!, {r4-r10,pc}
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| 233 | .align 8
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| 234 | 3:
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| 235 | ldmia r1, {r4-r5, r10}
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| 236 | add r1, r1, r2
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| 237 | ADJ_ALIGN_DOUBLEWORD_D 2, r6, r7, r4, r5, r10
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| 238 | ADJ_ALIGN_DOUBLEWORD_D 3, r8, r9, r4, r5, r10
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| 239 | pld [r1]
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| 240 | RND_AVG32 r4, r5, r6, r7, r8, r9, r12
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| 241 | subs r3, r3, #1
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| 242 | stmia r0, {r4-r5}
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| 243 | add r0, r0, r2
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| 244 | bne 3b
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| 245 | ldmfd sp!, {r4-r10,pc}
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| 246 | .align 8
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| 247 | 4:
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| 248 | ldmia r1, {r4-r5, r10}
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| 249 | add r1, r1, r2
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| 250 | ADJ_ALIGN_DOUBLEWORD_D 3, r6, r7, r4, r5, r10
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| 251 | pld [r1]
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| 252 | RND_AVG32 r8, r9, r6, r7, r5, r10, r12
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| 253 | subs r3, r3, #1
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| 254 | stmia r0, {r8-r9}
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| 255 | add r0, r0, r2
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| 256 | bne 4b
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| 257 | ldmfd sp!, {r4-r10,pc} @@ update PC with LR content.
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| 258 | .align 8
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| 259 | 5:
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| 260 | .word 0xFEFEFEFE
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| 261 | .word 2b
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| 262 | .word 3b
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| 263 | .word 4b
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| 264 |
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| 265 | .align 8
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| 266 | .global put_no_rnd_pixels8_x2_arm
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| 267 | put_no_rnd_pixels8_x2_arm:
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| 268 | @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
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| 269 | @ block = word aligned, pixles = unaligned
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| 270 | pld [r1]
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| 271 | stmfd sp!, {r4-r10,lr} @ R14 is also called LR
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| 272 | adr r5, 5f
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| 273 | ands r4, r1, #3
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| 274 | ldr r12, [r5]
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| 275 | add r5, r5, r4, lsl #2
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| 276 | bic r1, r1, #3
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| 277 | ldrne pc, [r5]
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| 278 | 1:
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| 279 | ldmia r1, {r4-r5, r10}
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| 280 | add r1, r1, r2
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| 281 | ADJ_ALIGN_DOUBLEWORD_D 1, r6, r7, r4, r5, r10
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| 282 | pld [r1]
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| 283 | NO_RND_AVG32 r8, r9, r4, r5, r6, r7, r12
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| 284 | subs r3, r3, #1
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| 285 | stmia r0, {r8-r9}
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| 286 | add r0, r0, r2
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| 287 | bne 1b
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| 288 | ldmfd sp!, {r4-r10,pc}
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| 289 | .align 8
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| 290 | 2:
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| 291 | ldmia r1, {r4-r5, r10}
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| 292 | add r1, r1, r2
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| 293 | ADJ_ALIGN_DOUBLEWORD_D 1, r6, r7, r4, r5, r10
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| 294 | ADJ_ALIGN_DOUBLEWORD_D 2, r8, r9, r4, r5, r10
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| 295 | pld [r1]
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| 296 | NO_RND_AVG32 r4, r5, r6, r7, r8, r9, r12
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| 297 | subs r3, r3, #1
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| 298 | stmia r0, {r4-r5}
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| 299 | add r0, r0, r2
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| 300 | bne 2b
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| 301 | ldmfd sp!, {r4-r10,pc}
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| 302 | .align 8
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| 303 | 3:
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| 304 | ldmia r1, {r4-r5, r10}
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| 305 | add r1, r1, r2
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| 306 | ADJ_ALIGN_DOUBLEWORD_D 2, r6, r7, r4, r5, r10
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| 307 | ADJ_ALIGN_DOUBLEWORD_D 3, r8, r9, r4, r5, r10
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| 308 | pld [r1]
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| 309 | NO_RND_AVG32 r4, r5, r6, r7, r8, r9, r12
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| 310 | subs r3, r3, #1
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| 311 | stmia r0, {r4-r5}
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| 312 | add r0, r0, r2
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| 313 | bne 3b
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| 314 | ldmfd sp!, {r4-r10,pc}
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| 315 | .align 8
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| 316 | 4:
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| 317 | ldmia r1, {r4-r5, r10}
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| 318 | add r1, r1, r2
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| 319 | ADJ_ALIGN_DOUBLEWORD_D 3, r6, r7, r4, r5, r10
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| 320 | pld [r1]
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| 321 | NO_RND_AVG32 r8, r9, r6, r7, r5, r10, r12
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| 322 | subs r3, r3, #1
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| 323 | stmia r0, {r8-r9}
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| 324 | add r0, r0, r2
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| 325 | bne 4b
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| 326 | ldmfd sp!, {r4-r10,pc} @@ update PC with LR content.
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| 327 | .align 8
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| 328 | 5:
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| 329 | .word 0xFEFEFEFE
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| 330 | .word 2b
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| 331 | .word 3b
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| 332 | .word 4b
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| 333 |
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| 334 |
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| 335 | @ ----------------------------------------------------------------
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| 336 | .align 8
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| 337 | .global put_pixels8_y2_arm
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| 338 | put_pixels8_y2_arm:
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| 339 | @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
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| 340 | @ block = word aligned, pixles = unaligned
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| 341 | pld [r1]
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| 342 | stmfd sp!, {r4-r11,lr} @ R14 is also called LR
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| 343 | adr r5, 5f
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| 344 | ands r4, r1, #3
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| 345 | mov r3, r3, lsr #1
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| 346 | ldr r12, [r5]
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| 347 | add r5, r5, r4, lsl #2
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| 348 | bic r1, r1, #3
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| 349 | ldrne pc, [r5]
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| 350 | 1:
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| 351 | ldmia r1, {r4-r5}
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| 352 | add r1, r1, r2
|
|---|
| 353 | 6: ldmia r1, {r6-r7}
|
|---|
| 354 | add r1, r1, r2
|
|---|
| 355 | pld [r1]
|
|---|
| 356 | RND_AVG32 r8, r9, r4, r5, r6, r7, r12
|
|---|
| 357 | ldmia r1, {r4-r5}
|
|---|
| 358 | add r1, r1, r2
|
|---|
| 359 | stmia r0, {r8-r9}
|
|---|
| 360 | add r0, r0, r2
|
|---|
| 361 | pld [r1]
|
|---|
| 362 | RND_AVG32 r8, r9, r6, r7, r4, r5, r12
|
|---|
| 363 | subs r3, r3, #1
|
|---|
| 364 | stmia r0, {r8-r9}
|
|---|
| 365 | add r0, r0, r2
|
|---|
| 366 | bne 6b
|
|---|
| 367 | ldmfd sp!, {r4-r11,pc}
|
|---|
| 368 | .align 8
|
|---|
| 369 | 2:
|
|---|
| 370 | ldmia r1, {r4-r6}
|
|---|
| 371 | add r1, r1, r2
|
|---|
| 372 | pld [r1]
|
|---|
| 373 | ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r6
|
|---|
| 374 | 6: ldmia r1, {r7-r9}
|
|---|
| 375 | add r1, r1, r2
|
|---|
| 376 | pld [r1]
|
|---|
| 377 | ADJ_ALIGN_DOUBLEWORD 1, r7, r8, r9
|
|---|
| 378 | RND_AVG32 r10, r11, r4, r5, r7, r8, r12
|
|---|
| 379 | stmia r0, {r10-r11}
|
|---|
| 380 | add r0, r0, r2
|
|---|
| 381 | ldmia r1, {r4-r6}
|
|---|
| 382 | add r1, r1, r2
|
|---|
| 383 | pld [r1]
|
|---|
| 384 | ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r6
|
|---|
| 385 | subs r3, r3, #1
|
|---|
| 386 | RND_AVG32 r10, r11, r7, r8, r4, r5, r12
|
|---|
| 387 | stmia r0, {r10-r11}
|
|---|
| 388 | add r0, r0, r2
|
|---|
| 389 | bne 6b
|
|---|
| 390 | ldmfd sp!, {r4-r11,pc}
|
|---|
| 391 | .align 8
|
|---|
| 392 | 3:
|
|---|
| 393 | ldmia r1, {r4-r6}
|
|---|
| 394 | add r1, r1, r2
|
|---|
| 395 | pld [r1]
|
|---|
| 396 | ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r6
|
|---|
| 397 | 6: ldmia r1, {r7-r9}
|
|---|
| 398 | add r1, r1, r2
|
|---|
| 399 | pld [r1]
|
|---|
| 400 | ADJ_ALIGN_DOUBLEWORD 2, r7, r8, r9
|
|---|
| 401 | RND_AVG32 r10, r11, r4, r5, r7, r8, r12
|
|---|
| 402 | stmia r0, {r10-r11}
|
|---|
| 403 | add r0, r0, r2
|
|---|
| 404 | ldmia r1, {r4-r6}
|
|---|
| 405 | add r1, r1, r2
|
|---|
| 406 | pld [r1]
|
|---|
| 407 | ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r6
|
|---|
| 408 | subs r3, r3, #1
|
|---|
| 409 | RND_AVG32 r10, r11, r7, r8, r4, r5, r12
|
|---|
| 410 | stmia r0, {r10-r11}
|
|---|
| 411 | add r0, r0, r2
|
|---|
| 412 | bne 6b
|
|---|
| 413 | ldmfd sp!, {r4-r11,pc}
|
|---|
| 414 | .align 8
|
|---|
| 415 | 4:
|
|---|
| 416 | ldmia r1, {r4-r6}
|
|---|
| 417 | add r1, r1, r2
|
|---|
| 418 | pld [r1]
|
|---|
| 419 | ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r6
|
|---|
| 420 | 6: ldmia r1, {r7-r9}
|
|---|
| 421 | add r1, r1, r2
|
|---|
| 422 | pld [r1]
|
|---|
| 423 | ADJ_ALIGN_DOUBLEWORD 3, r7, r8, r9
|
|---|
| 424 | RND_AVG32 r10, r11, r4, r5, r7, r8, r12
|
|---|
| 425 | stmia r0, {r10-r11}
|
|---|
| 426 | add r0, r0, r2
|
|---|
| 427 | ldmia r1, {r4-r6}
|
|---|
| 428 | add r1, r1, r2
|
|---|
| 429 | pld [r1]
|
|---|
| 430 | ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r6
|
|---|
| 431 | subs r3, r3, #1
|
|---|
| 432 | RND_AVG32 r10, r11, r7, r8, r4, r5, r12
|
|---|
| 433 | stmia r0, {r10-r11}
|
|---|
| 434 | add r0, r0, r2
|
|---|
| 435 | bne 6b
|
|---|
| 436 | ldmfd sp!, {r4-r11,pc}
|
|---|
| 437 |
|
|---|
| 438 | .align 8
|
|---|
| 439 | 5:
|
|---|
| 440 | .word 0xFEFEFEFE
|
|---|
| 441 | .word 2b
|
|---|
| 442 | .word 3b
|
|---|
| 443 | .word 4b
|
|---|
| 444 |
|
|---|
| 445 | .align 8
|
|---|
| 446 | .global put_no_rnd_pixels8_y2_arm
|
|---|
| 447 | put_no_rnd_pixels8_y2_arm:
|
|---|
| 448 | @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
|
|---|
| 449 | @ block = word aligned, pixles = unaligned
|
|---|
| 450 | pld [r1]
|
|---|
| 451 | stmfd sp!, {r4-r11,lr} @ R14 is also called LR
|
|---|
| 452 | adr r5, 5f
|
|---|
| 453 | ands r4, r1, #3
|
|---|
| 454 | mov r3, r3, lsr #1
|
|---|
| 455 | ldr r12, [r5]
|
|---|
| 456 | add r5, r5, r4, lsl #2
|
|---|
| 457 | bic r1, r1, #3
|
|---|
| 458 | ldrne pc, [r5]
|
|---|
| 459 | 1:
|
|---|
| 460 | ldmia r1, {r4-r5}
|
|---|
| 461 | add r1, r1, r2
|
|---|
| 462 | 6: ldmia r1, {r6-r7}
|
|---|
| 463 | add r1, r1, r2
|
|---|
| 464 | pld [r1]
|
|---|
| 465 | NO_RND_AVG32 r8, r9, r4, r5, r6, r7, r12
|
|---|
| 466 | ldmia r1, {r4-r5}
|
|---|
| 467 | add r1, r1, r2
|
|---|
| 468 | stmia r0, {r8-r9}
|
|---|
| 469 | add r0, r0, r2
|
|---|
| 470 | pld [r1]
|
|---|
| 471 | NO_RND_AVG32 r8, r9, r6, r7, r4, r5, r12
|
|---|
| 472 | subs r3, r3, #1
|
|---|
| 473 | stmia r0, {r8-r9}
|
|---|
| 474 | add r0, r0, r2
|
|---|
| 475 | bne 6b
|
|---|
| 476 | ldmfd sp!, {r4-r11,pc}
|
|---|
| 477 | .align 8
|
|---|
| 478 | 2:
|
|---|
| 479 | ldmia r1, {r4-r6}
|
|---|
| 480 | add r1, r1, r2
|
|---|
| 481 | pld [r1]
|
|---|
| 482 | ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r6
|
|---|
| 483 | 6: ldmia r1, {r7-r9}
|
|---|
| 484 | add r1, r1, r2
|
|---|
| 485 | pld [r1]
|
|---|
| 486 | ADJ_ALIGN_DOUBLEWORD 1, r7, r8, r9
|
|---|
| 487 | NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12
|
|---|
| 488 | stmia r0, {r10-r11}
|
|---|
| 489 | add r0, r0, r2
|
|---|
| 490 | ldmia r1, {r4-r6}
|
|---|
| 491 | add r1, r1, r2
|
|---|
| 492 | pld [r1]
|
|---|
| 493 | ADJ_ALIGN_DOUBLEWORD 1, r4, r5, r6
|
|---|
| 494 | subs r3, r3, #1
|
|---|
| 495 | NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12
|
|---|
| 496 | stmia r0, {r10-r11}
|
|---|
| 497 | add r0, r0, r2
|
|---|
| 498 | bne 6b
|
|---|
| 499 | ldmfd sp!, {r4-r11,pc}
|
|---|
| 500 | .align 8
|
|---|
| 501 | 3:
|
|---|
| 502 | ldmia r1, {r4-r6}
|
|---|
| 503 | add r1, r1, r2
|
|---|
| 504 | pld [r1]
|
|---|
| 505 | ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r6
|
|---|
| 506 | 6: ldmia r1, {r7-r9}
|
|---|
| 507 | add r1, r1, r2
|
|---|
| 508 | pld [r1]
|
|---|
| 509 | ADJ_ALIGN_DOUBLEWORD 2, r7, r8, r9
|
|---|
| 510 | NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12
|
|---|
| 511 | stmia r0, {r10-r11}
|
|---|
| 512 | add r0, r0, r2
|
|---|
| 513 | ldmia r1, {r4-r6}
|
|---|
| 514 | add r1, r1, r2
|
|---|
| 515 | pld [r1]
|
|---|
| 516 | ADJ_ALIGN_DOUBLEWORD 2, r4, r5, r6
|
|---|
| 517 | subs r3, r3, #1
|
|---|
| 518 | NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12
|
|---|
| 519 | stmia r0, {r10-r11}
|
|---|
| 520 | add r0, r0, r2
|
|---|
| 521 | bne 6b
|
|---|
| 522 | ldmfd sp!, {r4-r11,pc}
|
|---|
| 523 | .align 8
|
|---|
| 524 | 4:
|
|---|
| 525 | ldmia r1, {r4-r6}
|
|---|
| 526 | add r1, r1, r2
|
|---|
| 527 | pld [r1]
|
|---|
| 528 | ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r6
|
|---|
| 529 | 6: ldmia r1, {r7-r9}
|
|---|
| 530 | add r1, r1, r2
|
|---|
| 531 | pld [r1]
|
|---|
| 532 | ADJ_ALIGN_DOUBLEWORD 3, r7, r8, r9
|
|---|
| 533 | NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12
|
|---|
| 534 | stmia r0, {r10-r11}
|
|---|
| 535 | add r0, r0, r2
|
|---|
| 536 | ldmia r1, {r4-r6}
|
|---|
| 537 | add r1, r1, r2
|
|---|
| 538 | pld [r1]
|
|---|
| 539 | ADJ_ALIGN_DOUBLEWORD 3, r4, r5, r6
|
|---|
| 540 | subs r3, r3, #1
|
|---|
| 541 | NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12
|
|---|
| 542 | stmia r0, {r10-r11}
|
|---|
| 543 | add r0, r0, r2
|
|---|
| 544 | bne 6b
|
|---|
| 545 | ldmfd sp!, {r4-r11,pc}
|
|---|
| 546 | .align 8
|
|---|
| 547 | 5:
|
|---|
| 548 | .word 0xFEFEFEFE
|
|---|
| 549 | .word 2b
|
|---|
| 550 | .word 3b
|
|---|
| 551 | .word 4b
|
|---|
| 552 |
|
|---|
| 553 | @ ----------------------------------------------------------------
|
|---|
| 554 | .macro RND_XY2_IT align, rnd
|
|---|
| 555 | @ l1= (a & 0x03030303) + (b & 0x03030303) ?(+ 0x02020202)
|
|---|
| 556 | @ h1= ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2)
|
|---|
| 557 | .if \align == 0
|
|---|
| 558 | ldmia r1, {r6-r8}
|
|---|
| 559 | .elseif \align == 3
|
|---|
| 560 | ldmia r1, {r5-r7}
|
|---|
| 561 | .else
|
|---|
| 562 | ldmia r1, {r8-r10}
|
|---|
| 563 | .endif
|
|---|
| 564 | add r1, r1, r2
|
|---|
| 565 | pld [r1]
|
|---|
| 566 | .if \align == 0
|
|---|
| 567 | ADJ_ALIGN_DOUBLEWORD_D 1, r4, r5, r6, r7, r8
|
|---|
| 568 | .elseif \align == 1
|
|---|
| 569 | ADJ_ALIGN_DOUBLEWORD_D 1, r4, r5, r8, r9, r10
|
|---|
| 570 | ADJ_ALIGN_DOUBLEWORD_D 2, r6, r7, r8, r9, r10
|
|---|
| 571 | .elseif \align == 2
|
|---|
| 572 | ADJ_ALIGN_DOUBLEWORD_D 2, r4, r5, r8, r9, r10
|
|---|
| 573 | ADJ_ALIGN_DOUBLEWORD_D 3, r6, r7, r8, r9, r10
|
|---|
| 574 | .elseif \align == 3
|
|---|
| 575 | ADJ_ALIGN_DOUBLEWORD_D 3, r4, r5, r5, r6, r7
|
|---|
| 576 | .endif
|
|---|
| 577 | ldr r14, [r12, #0] @ 0x03030303
|
|---|
| 578 | tst r3, #1
|
|---|
| 579 | and r8, r4, r14
|
|---|
| 580 | and r9, r5, r14
|
|---|
| 581 | and r10, r6, r14
|
|---|
| 582 | and r11, r7, r14
|
|---|
| 583 | .if \rnd == 1
|
|---|
| 584 | ldreq r14, [r12, #16] @ 0x02020202
|
|---|
| 585 | .else
|
|---|
| 586 | ldreq r14, [r12, #28] @ 0x01010101
|
|---|
| 587 | .endif
|
|---|
| 588 | add r8, r8, r10
|
|---|
| 589 | add r9, r9, r11
|
|---|
| 590 | addeq r8, r8, r14
|
|---|
| 591 | addeq r9, r9, r14
|
|---|
| 592 | ldr r14, [r12, #20] @ 0xFCFCFCFC >> 2
|
|---|
| 593 | and r4, r14, r4, lsr #2
|
|---|
| 594 | and r5, r14, r5, lsr #2
|
|---|
| 595 | and r6, r14, r6, lsr #2
|
|---|
| 596 | and r7, r14, r7, lsr #2
|
|---|
| 597 | add r10, r4, r6
|
|---|
| 598 | add r11, r5, r7
|
|---|
| 599 | .endm
|
|---|
| 600 |
|
|---|
| 601 | .macro RND_XY2_EXPAND align, rnd
|
|---|
| 602 | RND_XY2_IT \align, \rnd
|
|---|
| 603 | 6: stmfd sp!, {r8-r11}
|
|---|
| 604 | RND_XY2_IT \align, \rnd
|
|---|
| 605 | ldmfd sp!, {r4-r7}
|
|---|
| 606 | add r4, r4, r8
|
|---|
| 607 | add r5, r5, r9
|
|---|
| 608 | add r6, r6, r10
|
|---|
| 609 | add r7, r7, r11
|
|---|
| 610 | ldr r14, [r12, #24] @ 0x0F0F0F0F
|
|---|
| 611 | and r4, r14, r4, lsr #2
|
|---|
| 612 | and r5, r14, r5, lsr #2
|
|---|
| 613 | add r4, r4, r6
|
|---|
| 614 | add r5, r5, r7
|
|---|
| 615 | subs r3, r3, #1
|
|---|
| 616 | stmia r0, {r4-r5}
|
|---|
| 617 | add r0, r0, r2
|
|---|
| 618 | bne 6b
|
|---|
| 619 | ldmfd sp!, {r4-r11,pc}
|
|---|
| 620 | .endm
|
|---|
| 621 |
|
|---|
| 622 | .align 8
|
|---|
| 623 | .global put_pixels8_xy2_arm
|
|---|
| 624 | put_pixels8_xy2_arm:
|
|---|
| 625 | @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
|
|---|
| 626 | @ block = word aligned, pixles = unaligned
|
|---|
| 627 | pld [r1]
|
|---|
| 628 | stmfd sp!, {r4-r11,lr} @ R14 is also called LR
|
|---|
| 629 | adrl r12, 5f
|
|---|
| 630 | ands r4, r1, #3
|
|---|
| 631 | add r5, r12, r4, lsl #2
|
|---|
| 632 | bic r1, r1, #3
|
|---|
| 633 | ldrne pc, [r5]
|
|---|
| 634 | 1:
|
|---|
| 635 | RND_XY2_EXPAND 0, 1
|
|---|
| 636 |
|
|---|
| 637 | .align 8
|
|---|
| 638 | 2:
|
|---|
| 639 | RND_XY2_EXPAND 1, 1
|
|---|
| 640 |
|
|---|
| 641 | .align 8
|
|---|
| 642 | 3:
|
|---|
| 643 | RND_XY2_EXPAND 2, 1
|
|---|
| 644 |
|
|---|
| 645 | .align 8
|
|---|
| 646 | 4:
|
|---|
| 647 | RND_XY2_EXPAND 3, 1
|
|---|
| 648 |
|
|---|
| 649 | 5:
|
|---|
| 650 | .word 0x03030303
|
|---|
| 651 | .word 2b
|
|---|
| 652 | .word 3b
|
|---|
| 653 | .word 4b
|
|---|
| 654 | .word 0x02020202
|
|---|
| 655 | .word 0xFCFCFCFC >> 2
|
|---|
| 656 | .word 0x0F0F0F0F
|
|---|
| 657 | .word 0x01010101
|
|---|
| 658 |
|
|---|
| 659 | .align 8
|
|---|
| 660 | .global put_no_rnd_pixels8_xy2_arm
|
|---|
| 661 | put_no_rnd_pixels8_xy2_arm:
|
|---|
| 662 | @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
|
|---|
| 663 | @ block = word aligned, pixles = unaligned
|
|---|
| 664 | pld [r1]
|
|---|
| 665 | stmfd sp!, {r4-r11,lr} @ R14 is also called LR
|
|---|
| 666 | adrl r12, 5f
|
|---|
| 667 | ands r4, r1, #3
|
|---|
| 668 | add r5, r12, r4, lsl #2
|
|---|
| 669 | bic r1, r1, #3
|
|---|
| 670 | ldrne pc, [r5]
|
|---|
| 671 | 1:
|
|---|
| 672 | RND_XY2_EXPAND 0, 0
|
|---|
| 673 |
|
|---|
| 674 | .align 8
|
|---|
| 675 | 2:
|
|---|
| 676 | RND_XY2_EXPAND 1, 0
|
|---|
| 677 |
|
|---|
| 678 | .align 8
|
|---|
| 679 | 3:
|
|---|
| 680 | RND_XY2_EXPAND 2, 0
|
|---|
| 681 |
|
|---|
| 682 | .align 8
|
|---|
| 683 | 4:
|
|---|
| 684 | RND_XY2_EXPAND 3, 0
|
|---|
| 685 |
|
|---|
| 686 | 5:
|
|---|
| 687 | .word 0x03030303
|
|---|
| 688 | .word 2b
|
|---|
| 689 | .word 3b
|
|---|
| 690 | .word 4b
|
|---|
| 691 | .word 0x02020202
|
|---|
| 692 | .word 0xFCFCFCFC >> 2
|
|---|
| 693 | .word 0x0F0F0F0F
|
|---|
| 694 | .word 0x01010101
|
|---|
