| Index: third_party/libvpx/source/libvpx/vp8/common/arm/armv6/dequantize_v6.asm
|
| diff --git a/third_party/libvpx/source/libvpx/vp8/common/arm/armv6/dequantize_v6.asm b/third_party/libvpx/source/libvpx/vp8/common/arm/armv6/dequantize_v6.asm
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..72f7e0ee57febf8af9c25d55f5d851c8f56dee6e
|
| --- /dev/null
|
| +++ b/third_party/libvpx/source/libvpx/vp8/common/arm/armv6/dequantize_v6.asm
|
| @@ -0,0 +1,69 @@
|
| +;
|
| +; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
|
| +;
|
| +; Use of this source code is governed by a BSD-style license
|
| +; that can be found in the LICENSE file in the root of the source
|
| +; tree. An additional intellectual property rights grant can be found
|
| +; in the file PATENTS. All contributing project authors may
|
| +; be found in the AUTHORS file in the root of the source tree.
|
| +;
|
| +
|
| +
|
| + EXPORT |vp8_dequantize_b_loop_v6|
|
| +
|
| + AREA |.text|, CODE, READONLY ; name this block of code
|
| +;-------------------------------
|
| +;void vp8_dequantize_b_loop_v6(short *Q, short *DQC, short *DQ);
|
| +; r0 short *Q,
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| +; r1 short *DQC
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| +; r2 short *DQ
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| +|vp8_dequantize_b_loop_v6| PROC
|
| + stmdb sp!, {r4-r9, lr}
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| +
|
| + ldr r3, [r0] ;load Q
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| + ldr r4, [r1] ;load DQC
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| + ldr r5, [r0, #4]
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| + ldr r6, [r1, #4]
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| +
|
| + mov r12, #2 ;loop counter
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| +
|
| +dequant_loop
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| + smulbb r7, r3, r4 ;multiply
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| + smultt r8, r3, r4
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| + smulbb r9, r5, r6
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| + smultt lr, r5, r6
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| +
|
| + ldr r3, [r0, #8]
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| + ldr r4, [r1, #8]
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| + ldr r5, [r0, #12]
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| + ldr r6, [r1, #12]
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| +
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| + strh r7, [r2], #2 ;store result
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| + smulbb r7, r3, r4 ;multiply
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| + strh r8, [r2], #2
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| + smultt r8, r3, r4
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| + strh r9, [r2], #2
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| + smulbb r9, r5, r6
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| + strh lr, [r2], #2
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| + smultt lr, r5, r6
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| +
|
| + subs r12, r12, #1
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| +
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| + add r0, r0, #16
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| + add r1, r1, #16
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| +
|
| + ldrne r3, [r0]
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| + strh r7, [r2], #2 ;store result
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| + ldrne r4, [r1]
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| + strh r8, [r2], #2
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| + ldrne r5, [r0, #4]
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| + strh r9, [r2], #2
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| + ldrne r6, [r1, #4]
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| + strh lr, [r2], #2
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| +
|
| + bne dequant_loop
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| +
|
| + ldmia sp!, {r4-r9, pc}
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| + ENDP ;|vp8_dequantize_b_loop_v6|
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| +
|
| + END
|
|
|