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Unified Diff: libvpx/source/libvpx/vp8/encoder/arm/neon/vp8_mse16x16_neon.asm

Issue 7624054: Revert r97185 "Update libvpx snapshot to v0.9.7-p1 (Cayuga)." (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party
Patch Set: Created 9 years, 4 months ago
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Index: libvpx/source/libvpx/vp8/encoder/arm/neon/vp8_mse16x16_neon.asm
diff --git a/libvpx/source/libvpx/vp8/encoder/arm/neon/vp8_mse16x16_neon.asm b/libvpx/source/libvpx/vp8/encoder/arm/neon/vp8_mse16x16_neon.asm
index 55edbf5129ed013ffa0b5ea32c5aa6682ad24e6c..6af4e87bab62f9609d78b7d6de7efdcc833cf7b3 100644
--- a/libvpx/source/libvpx/vp8/encoder/arm/neon/vp8_mse16x16_neon.asm
+++ b/libvpx/source/libvpx/vp8/encoder/arm/neon/vp8_mse16x16_neon.asm
@@ -10,6 +10,7 @@
EXPORT |vp8_mse16x16_neon|
+ EXPORT |vp8_get16x16pred_error_neon|
EXPORT |vp8_get4x4sse_cs_neon|
ARM
@@ -75,6 +76,62 @@ mse16x16_neon_loop
ENDP
+;============================
+; r0 unsigned char *src_ptr
+; r1 int src_stride
+; r2 unsigned char *ref_ptr
+; r3 int ref_stride
+|vp8_get16x16pred_error_neon| PROC
+ vmov.i8 q8, #0 ;q8 - sum
+ vmov.i8 q9, #0 ;q9, q10 - pred_error
+ vmov.i8 q10, #0
+
+ mov r12, #8
+
+get16x16pred_error_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
+ vsubl.u8 q12, d1, d5
+ vsubl.u8 q13, d2, d6
+ vsubl.u8 q14, d3, d7
+
+ vpadal.s16 q8, q11
+ vmlal.s16 q9, d22, d22
+ 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 get16x16pred_error_neon_loop
+
+ vadd.u32 q10, q9, q10
+ vpaddl.s32 q0, q8
+
+ vpaddl.u32 q1, q10
+ vadd.s64 d0, d0, d1
+ vadd.u64 d1, d2, d3
+
+ vmull.s32 q5, d0, d0
+ vshr.s32 d10, d10, #8
+ vsub.s32 d0, d1, d10
+
+ vmov.32 r0, d0[0]
+ bx lr
+
+ ENDP
;=============================
; r0 unsigned char *src_ptr,
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