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25 Commits

Author SHA1 Message Date
Jun He
b721db98e5 igzip: optimize convert_dist_to_dist_sym to branchless 
convert_dist_to_dist_sym uses long if/else branch to get look back distance.
The distance calculation is well formed for each distance range, so it could
be optimized for a branchless version.

Change-Id: I4e1e5170f8b3238631f3048087f95acc53e4498e
Signed-off-by: Jun He <jun.he@arm.com>
 2019-08-13 11:02:53 +08:00
Roy Oursler
5be1ba2215 igzip: Remove undefined unaligned loads 
Change-Id: I02591d958f8691d07b261218cf5ab361e8ad36c9
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2019-03-07 09:27:50 -07:00
Roy Oursler
e8ca21baf4 igzip: Fix update_histogram_base buffer finish 
Change-Id: Ib74988a79baca7f5095447458d7374f834d1c138
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2018-06-14 15:35:14 -07:00
Roy Oursler
bb05f0fcdb igzip: Fix sizeof(void *) in isal_create_hufftables 
Fixes #33

Change-Id: I43640b4ccdf165c84757ea7b3ace80f3dc4aafde
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2018-03-22 13:19:30 -07:00
Roy Oursler
4734834501 igzip: Fix uninitialized used of bl_count[0] 
Fixes #34

Change-Id: I489b1ae24212d81875b96f687f3543ac548e2278
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2018-03-22 13:05:56 -07:00
Daniel Verkamp
bcde6e410b igzip: mark huff_codes.c internal functions static 
Remove declarations from huff_codes.h (preserving doc comments where
applicable) and mark functions that are only called within huff_codes.c
as static.

Change-Id: Idc0113d4eca9e97347def86a502073ef7126114b
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
 2018-03-15 12:34:46 -07:00
Daniel Verkamp
07eac8fc12 igzip: mark private data as static 
These globals are only used within huff_codes.c, so they don't need to
be globally visible.

Change-Id: I1e118b3a95cfb7d21bf33c66559362483e460d58
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
 2018-03-12 08:28:10 -07:00
Jean-Yves VET
52bb322912 build: fix compilation with CPU not supporting SSE 
This patch makes the project compile and run (tests and
performance tests as well) with CPUs which are not
supporting SSE instructions.

Signed-off-by: Jean-Yves Vet <jyvet@ddn.com>
 2018-02-23 06:13:10 -05:00
Roy Oursler
4ae2d1be29 igzip: Implement optimized level 2 compression 
Change-Id: I8cf5bcd56f290d17205ac36dc2828c8acfc66947
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2017-12-15 14:27:14 -07:00
Roy Oursler
e79c57c7e3 igzip: Fix issue with isal_create_hufftables_subset 
isal_create_hufftables_subset failed to generate length symbols, but should
generate those symbols as a histogram does not guarantee finding all lengths
found in compression

Change-Id: I880210fe1b1078de8617cab0ecb93c9810b9c9de
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2017-09-21 17:24:56 -07:00
Peng Xiao
9099918dcb fixing huff_codes.c's compiling problem on CentOS 6.5 as gcc 4.4.7 only support C89 
Signed-off-by: Peng Xiao <xiao.peng61@zte.com.cn>
 2017-08-25 11:07:23 +00:00
Roy Oursler
64143a741e igzip: Implement type 0 blocks for level 1 compress 
Change-Id: If55ab161623d29fa6fb08df3bc813e654918e592
 2017-06-21 05:46:38 -04:00
Greg Tucker
c28be0d306 igzip: Remove unnecessary casts causing warnings in 32bit build 
Change-Id: I9fb85c097c9ade8fdc7907e9d6533d1997ccd406
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
 2017-03-30 20:22:36 -07:00
Greg Tucker
ec6e5de665 igzip: Move build_heap base functions to own file 
Change-Id: I0161cd65c71df00fadad9dd69e207e9fb29a54ef
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
 2017-03-30 18:20:09 -07:00
Roy Oursler
f80a1ed62b igzip: Create base functions for build_heap and build_huff_tree 
Change-Id: I19c2d7bbf1ac8270458b165a385c385a60f1cadc
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2017-03-30 18:18:14 -07:00
Roy Oursler
9992cc1920 igzip: Implement static header on level 1 compress 
Change-Id: I0fe61eb6d3994a0977a4486a2a4cf21af38dc250
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2017-03-30 17:13:12 -07:00
Roy Oursler
e38ed4b54e igzip: Increase isal_mod_hist size to stop histogram overflow 
Change-Id: I1c651c9625d0fb543cd89e53e2b78b391176ef68
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2017-03-30 17:11:51 -07:00
Roy Oursler
01dfbcc484 igzip: implement igzip two pass 
Change-Id: I9564b2da251a02197b39cab5f141e7aff1ae8439
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2017-03-30 16:50:48 -07:00
Roy Oursler
d4c6067d28 igzip: Fix bug in default histogram generation 
Change-Id: Ib1976633c2fbf6f48aeb4b38e73fd75d41c62be5
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2016-12-06 11:17:15 -07:00
Greg Tucker
88192ce59f igzip: Add missing slver for isal_create_hufftables_subset 
Change-Id: I331c3edacaeb4c3a86839d7f1e099e189aed8200
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
 2016-12-06 10:05:56 -07:00
Roy Oursler
8fe5cbeeed igzip: Decrease stack size of update_histogram_base. 
Change-Id: I7329fc0b560d706ff05e1766f4f3e8f9cb1cc306
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
 2016-12-06 09:13:41 -07:00
Roy Oursler
88f95d8594 igzip: Merge inflate.h and igzip_lib.h and fix external naming 
Merge inflate.h and igzip_lib.h and rename many defines to avoid conflicts,
along with general cleanup of the new header.

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
 2016-12-05 16:40:43 -07:00
Roy Oursler
d06e14b937 igzip: Port update_histogram and decode_huffman_code_block to windows 
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
 2016-12-05 16:17:54 -07:00
Roy Oursler
31814483c0 igzip: Create assembly version of isal_update_histogram 
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
 2016-12-02 17:16:55 -07:00
Greg Tucker
660f49b02d Add data compression unit 
Include fast DEFLATE compatable compression functions.

Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
 2016-06-10 17:03:38 -07:00