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11 Commits

Author SHA1 Message Date
Johann
1088b4f87c move neon load/stores to a new file 
Move the tran_low_t helper functions to a new file. Additional
load/store functions will be added here.

Change-Id: I52bf652c344c585ea2f3e1230886be93f5caefc3
 2017-05-15 08:29:43 -07:00
Linfeng Zhang
6fc2e57c2c Update 32x32 high bitdepth idct NEON optimization 
Preparation of CONVERT_TO_BYTEPTR/SHORTPTR clean up.

BUG=webm:1388

Change-Id: I928d30a5698023bb90888d783cf81c51ec183760
 2017-04-05 15:28:11 -07:00
James Zern
f91c3bb3ab idct_neon: prefix non-static functions w/'vpx_' 
Change-Id: I94fcdeae18468e6ef0cb7119b8142d982a048031
 2017-03-22 11:49:23 -07:00
Linfeng Zhang
50b13f75b8 Add vpx_highbd_idct32x32_34_add_neon() 
BUG=webm:1301

Change-Id: I74dd16c6c64e7bb71aa991cedccddf0663ef5e06
 2017-03-17 00:27:46 -07:00
Linfeng Zhang
c756eb01c8 Fix overflow issue in 32x32 idct NEON intrinsics 
Similar issue as Change bc1c18e.

The PartialIDctTest.ResultsMatch test on vpx_idct32x32_135_add_neon()
in high bit-depth mode exposes 16-bit overflow in final stage of pass
2, when changing the test number from 1,000 to 1,000,000.

Change to use saturating add/sub for vpx_idct32x32_34_add_neon(),
vpx_idct32x32_135_add_neon and vpx_idct32x32_1024_add_neon() in high
bit-depth mode.

Change-Id: Iaec0e9aeab41a3fdb4e170d7e9b3ad1fda922f6f
 2017-03-14 16:59:14 -07:00
Linfeng Zhang
c4e5c54d69 cosmetics,dsp/arm/: vpx_idct32x32_{34,135}_add_neon() 
No speed changes and disassembly is almost identical.

Change-Id: Id07996237d2607ca6004da5906b7d288b8307e1f
 2017-03-08 08:58:32 -08:00
Johann
2c24f7178d Move load_and_transpose to transpose_neon.h 
Allows for use outside the idcts without pulling in idct_neon.h

Change-Id: I4a94c1af3dac3e1b5bc8296ec9eab0ddcc8cfecf
 2016-12-09 12:54:55 -08:00
James Zern
568d4b1d63 idct_neon: rename load_tran_low_to_s16 -> ...s16q 
BUG=webm:1294

Change-Id: I164cfcbe9bc4511d1d04af9206cf351a0ec2957b
 2016-11-23 19:57:48 -08:00
James Zern
738c8f23c6 enable vpx_idct32x32_34_add_neon in hbd builds 
replace load_and_transpose_s16_8x8() in idct32_6_neon() with a separate
load_tran_low_to_s16() and transpose_s16_8x8(). the combined function is
used in idct32_8_neon() where the input is the correctly sized output
from the earlier stage.

BUG=webm:1294

Change-Id: I4257c4b3a421b2cf5d13651f966eee0680ef98a9
 2016-11-08 17:03:36 -08:00
Johann
bf8ab194ee arm idct: move to-be-shared code to header 
Change-Id: I67458cd358b4dc4434bbdbfcdd571769561b619e
 2016-11-01 15:43:56 -07:00
Johann
9720b58aac Optimize idct32x32_34_add for NEON 
Approximately 3 times faster than the 1024 version which was used
previously.

BUG=webm:1295

Change-Id: Id15fb3d096029ec38ef01c53e5f6eb08254347c9
 2016-10-25 15:43:58 -07:00