Roy Oursler
53b92e83f4
igzip: Avoid UB pointer arithmetic underflow for virtual file start
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Change-Id: I95c0e6f004eaf70227a6419fc14bf0958d1f4538
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2019-03-07 09:27:50 -07:00
Roy Oursler
aae6e29d28
igzip: Remove unaligned stores
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Change-Id: I8d351c8b7153178d26d6fc702ee3036b71165b93
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2019-03-07 09:27:50 -07:00
Roy Oursler
5be1ba2215
igzip: Remove undefined unaligned loads
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Change-Id: I02591d958f8691d07b261218cf5ab361e8ad36c9
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2019-03-07 09:27:50 -07:00
Roy Oursler
1fdc5941a3
igzip: Modify set_long_icf to handle small end_in
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Change-Id: I24c3420df5d9e84d27fe28eff96155e5fcd51760
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-12-04 10:41:40 -07:00
Roy Oursler
ba1a000680
igzip: Implement set_long_icf to compare more than 258
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Change-Id: Ia8813d176da6bfcd3c6ef441eca1c59ac99db7f2
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-12-04 10:41:40 -07:00
Roy Oursler
03bef684a4
igzip: Setup for variable hash mask
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Change-Id: I3be94dbc40c2e02dcff4f89e5a9df8ed1f744f02
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-09-18 14:27:25 -07:00
Roy Oursler
6317ce2b78
igzip: Setup for variable lookback distance
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Change-Id: Idd52c9392113dfc54feea3c66916a7f5aa128bef
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-09-18 14:27:25 -07:00
Roy Oursler
c1876a1221
igzip: Fixup level 3 first byte handling
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Change-Id: Id9f59934d43b09af3c2ec722f5a825aa9b02e2dc
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-08-21 16:35:30 -07:00
Roy Oursler
cd7b70dd41
igzip: Fix level 3 gen_map end of buffer handling
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Change-Id: I3ed75b0ade5af23a98d916e867bb93ee9ad3a992
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-08-21 16:35:30 -07:00
Roy Oursler
7faedc71bd
igzip: Rename tzcnt to more accurate tzbytecnt
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Change-Id: Ifc0b828f50e4c1feaf141e0164749eca3b227996
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-06-14 15:30:14 -07:00
Daniel Verkamp
69176f5428
igzip: mark igzip_icf_body.c internal function static
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compress_icf_map_g() is only used within igzip_icf_body.c.
Change-Id: Id488d6721c60c1909c922a5e0bd162b1542e71ca
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2018-03-15 12:34:12 -07:00
Daniel Verkamp
e815371be7
igzip: remove unused hash_section() function
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This isn't referenced anywhere and isn't part of the public API.
Change-Id: I1e4809c8cc4ac64310fa151425e710abb7351079
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2018-03-12 08:47:49 -07:00
Roy Oursler
4b45beff4f
igzip: Avoid some nested multibinary calls in deflate_body
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Change-Id: I2b433f63664ffa27fc125a6a859a1b8053212d7f
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-03-01 13:27:48 -07:00
Roy Oursler
9acc3ed2ac
igzip: Create AVX2 optimized version of level 3
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Change-Id: Icfdb67445ee5afff85441cfee23beb66bfe15d5e
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-03-01 13:27:38 -07:00
Roy Oursler
8965584ae3
igzip: Implement large hash table method as level 2
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Move current level 2 compression to be level 3 and create a level 2
compression which is the same algorithm as level 1 but with a larger
hashtable.
Change-Id: I398a6017c2ff218dded24e229fb51c23ea69f314
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
7a12bcb2a8
igzip: Separate concept of level and compression method
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Change-Id: I82a5fbeb93adc77057893c643e044e311e4f393c
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
fe68f02dac
igzip: Move hash_table and symbol histogram for icf compression
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Change-Id: I50df9c8915ff3e1af450aeb8e4c0cc3baf9624ae
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
4ae2d1be29
igzip: Implement optimized level 2 compression
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Change-Id: I8cf5bcd56f290d17205ac36dc2828c8acfc66947
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
