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-rw-r--r--chromium/third_party/libvpx/source/libvpx/vp8/common/arm/neon/variance_neon.asm276
1 files changed, 0 insertions, 276 deletions
diff --git a/chromium/third_party/libvpx/source/libvpx/vp8/common/arm/neon/variance_neon.asm b/chromium/third_party/libvpx/source/libvpx/vp8/common/arm/neon/variance_neon.asm
deleted file mode 100644
index e3b48327d3f..00000000000
--- a/chromium/third_party/libvpx/source/libvpx/vp8/common/arm/neon/variance_neon.asm
+++ /dev/null
@@ -1,276 +0,0 @@
-;
-; 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_variance16x16_neon|
- EXPORT |vp8_variance16x8_neon|
- EXPORT |vp8_variance8x16_neon|
- EXPORT |vp8_variance8x8_neon|
-
- ARM
- REQUIRE8
- PRESERVE8
-
- AREA ||.text||, CODE, READONLY, ALIGN=2
-
-; r0 unsigned char *src_ptr
-; r1 int source_stride
-; r2 unsigned char *ref_ptr
-; r3 int recon_stride
-; stack unsigned int *sse
-|vp8_variance16x16_neon| PROC
- vmov.i8 q8, #0 ;q8 - sum
- vmov.i8 q9, #0 ;q9, q10 - sse
- vmov.i8 q10, #0
-
- mov r12, #8
-
-variance16x16_neon_loop
- vld1.8 {q0}, [r0], r1 ;Load up source and reference
- vld1.8 {q2}, [r2], r3
- vld1.8 {q1}, [r0], r1
- vld1.8 {q3}, [r2], r3
-
- vsubl.u8 q11, d0, d4 ;calculate diff
- vsubl.u8 q12, d1, d5
- vsubl.u8 q13, d2, d6
- vsubl.u8 q14, d3, d7
-
- ;VPADAL adds adjacent pairs of elements of a vector, and accumulates
- ;the results into the elements of the destination vector. The explanation
- ;in ARM guide is wrong.
- vpadal.s16 q8, q11 ;calculate sum
- vmlal.s16 q9, d22, d22 ;calculate sse
- vmlal.s16 q10, d23, d23
-
- subs r12, r12, #1
-
- vpadal.s16 q8, q12
- vmlal.s16 q9, d24, d24
- vmlal.s16 q10, d25, d25
- vpadal.s16 q8, q13
- vmlal.s16 q9, d26, d26
- vmlal.s16 q10, d27, d27
- vpadal.s16 q8, q14
- vmlal.s16 q9, d28, d28
- vmlal.s16 q10, d29, d29
-
- bne variance16x16_neon_loop
-
- vadd.u32 q10, q9, q10 ;accumulate sse
- vpaddl.s32 q0, q8 ;accumulate sum
-
- ldr r12, [sp] ;load *sse from stack
-
- vpaddl.u32 q1, q10
- vadd.s64 d0, d0, d1
- vadd.u64 d1, d2, d3
-
- ;vmov.32 r0, d0[0] ;this instruction costs a lot
- ;vmov.32 r1, d1[0]
- ;mul r0, r0, r0
- ;str r1, [r12]
- ;sub r0, r1, r0, lsr #8
-
- ; while sum is signed, sum * sum is always positive and must be treated as
- ; unsigned to avoid propagating the sign bit.
- vmull.s32 q5, d0, d0
- vst1.32 {d1[0]}, [r12] ;store sse
- vshr.u32 d10, d10, #8
- vsub.u32 d0, d1, d10
-
- vmov.32 r0, d0[0] ;return
- bx lr
-
- ENDP
-
-;================================
-;unsigned int vp8_variance16x8_c(
-; unsigned char *src_ptr,
-; int source_stride,
-; unsigned char *ref_ptr,
-; int recon_stride,
-; unsigned int *sse)
-|vp8_variance16x8_neon| PROC
- vmov.i8 q8, #0 ;q8 - sum
- vmov.i8 q9, #0 ;q9, q10 - sse
- vmov.i8 q10, #0
-
- mov r12, #4
-
-variance16x8_neon_loop
- vld1.8 {q0}, [r0], r1 ;Load up source and reference
- vld1.8 {q2}, [r2], r3
- vld1.8 {q1}, [r0], r1
- vld1.8 {q3}, [r2], r3
-
- vsubl.u8 q11, d0, d4 ;calculate diff
- vsubl.u8 q12, d1, d5
- vsubl.u8 q13, d2, d6
- vsubl.u8 q14, d3, d7
-
- vpadal.s16 q8, q11 ;calculate sum
- vmlal.s16 q9, d22, d22 ;calculate sse
- vmlal.s16 q10, d23, d23
-
- subs r12, r12, #1
-
- vpadal.s16 q8, q12
- vmlal.s16 q9, d24, d24
- vmlal.s16 q10, d25, d25
- vpadal.s16 q8, q13
- vmlal.s16 q9, d26, d26
- vmlal.s16 q10, d27, d27
- vpadal.s16 q8, q14
- vmlal.s16 q9, d28, d28
- vmlal.s16 q10, d29, d29
-
- bne variance16x8_neon_loop
-
- vadd.u32 q10, q9, q10 ;accumulate sse
- vpaddl.s32 q0, q8 ;accumulate sum
-
- ldr r12, [sp] ;load *sse from stack
-
- vpaddl.u32 q1, q10
- vadd.s64 d0, d0, d1
- vadd.u64 d1, d2, d3
-
- vmull.s32 q5, d0, d0
- vst1.32 {d1[0]}, [r12] ;store sse
- vshr.u32 d10, d10, #7
- vsub.u32 d0, d1, d10
-
- vmov.32 r0, d0[0] ;return
- bx lr
-
- ENDP
-
-;=================================
-;unsigned int vp8_variance8x16_c(
-; unsigned char *src_ptr,
-; int source_stride,
-; unsigned char *ref_ptr,
-; int recon_stride,
-; unsigned int *sse)
-
-|vp8_variance8x16_neon| PROC
- vmov.i8 q8, #0 ;q8 - sum
- vmov.i8 q9, #0 ;q9, q10 - sse
- vmov.i8 q10, #0
-
- mov r12, #8
-
-variance8x16_neon_loop
- vld1.8 {d0}, [r0], r1 ;Load up source and reference
- vld1.8 {d4}, [r2], r3
- vld1.8 {d2}, [r0], r1
- vld1.8 {d6}, [r2], r3
-
- vsubl.u8 q11, d0, d4 ;calculate diff
- vsubl.u8 q12, d2, d6
-
- vpadal.s16 q8, q11 ;calculate sum
- vmlal.s16 q9, d22, d22 ;calculate sse
- vmlal.s16 q10, d23, d23
-
- subs r12, r12, #1
-
- vpadal.s16 q8, q12
- vmlal.s16 q9, d24, d24
- vmlal.s16 q10, d25, d25
-
- bne variance8x16_neon_loop
-
- vadd.u32 q10, q9, q10 ;accumulate sse
- vpaddl.s32 q0, q8 ;accumulate sum
-
- ldr r12, [sp] ;load *sse from stack
-
- vpaddl.u32 q1, q10
- vadd.s64 d0, d0, d1
- vadd.u64 d1, d2, d3
-
- vmull.s32 q5, d0, d0
- vst1.32 {d1[0]}, [r12] ;store sse
- vshr.u32 d10, d10, #7
- vsub.u32 d0, d1, d10
-
- vmov.32 r0, d0[0] ;return
- bx lr
-
- ENDP
-
-;==================================
-; r0 unsigned char *src_ptr
-; r1 int source_stride
-; r2 unsigned char *ref_ptr
-; r3 int recon_stride
-; stack unsigned int *sse
-|vp8_variance8x8_neon| PROC
- vmov.i8 q8, #0 ;q8 - sum
- vmov.i8 q9, #0 ;q9, q10 - sse
- vmov.i8 q10, #0
-
- mov r12, #2
-
-variance8x8_neon_loop
- vld1.8 {d0}, [r0], r1 ;Load up source and reference
- vld1.8 {d4}, [r2], r3
- vld1.8 {d1}, [r0], r1
- vld1.8 {d5}, [r2], r3
- vld1.8 {d2}, [r0], r1
- vld1.8 {d6}, [r2], r3
- vld1.8 {d3}, [r0], r1
- vld1.8 {d7}, [r2], r3
-
- vsubl.u8 q11, d0, d4 ;calculate diff
- vsubl.u8 q12, d1, d5
- vsubl.u8 q13, d2, d6
- vsubl.u8 q14, d3, d7
-
- vpadal.s16 q8, q11 ;calculate sum
- vmlal.s16 q9, d22, d22 ;calculate sse
- vmlal.s16 q10, d23, d23
-
- subs r12, r12, #1
-
- vpadal.s16 q8, q12
- vmlal.s16 q9, d24, d24
- vmlal.s16 q10, d25, d25
- vpadal.s16 q8, q13
- vmlal.s16 q9, d26, d26
- vmlal.s16 q10, d27, d27
- vpadal.s16 q8, q14
- vmlal.s16 q9, d28, d28
- vmlal.s16 q10, d29, d29
-
- bne variance8x8_neon_loop
-
- vadd.u32 q10, q9, q10 ;accumulate sse
- vpaddl.s32 q0, q8 ;accumulate sum
-
- ldr r12, [sp] ;load *sse from stack
-
- vpaddl.u32 q1, q10
- vadd.s64 d0, d0, d1
- vadd.u64 d1, d2, d3
-
- vmull.s32 q5, d0, d0
- vst1.32 {d1[0]}, [r12] ;store sse
- vshr.u32 d10, d10, #6
- vsub.u32 d0, d1, d10
-
- vmov.32 r0, d0[0] ;return
- bx lr
-
- ENDP
-
- END
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