Roy Oursler
af9c0c0f46
igzip: update update_hash to match stateless and stateful compression.
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Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-05 11:01:01 -07:00
Roy Oursler
f97de75fc6
igzip: Port improvements to stateless compress to stateful compress
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Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-02 18:40:27 -07:00
Roy Oursler
eb1b7788d0
igzip: Move code in igzip_stateless to hide latencies more in ivybridge.
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Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-02 17:23:29 -07:00
Roy Oursler
cf30138c7b
igzip: Load memory into xmm in stateless registers
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Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-02 17:22:52 -07:00
Roy Oursler
4d1fe78bfa
igzip: Modify stateless hash updating to match the length 4 short match
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Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-02 17:19:15 -07:00
Roy Oursler
31814483c0
igzip: Create assembly version of isal_update_histogram
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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
Roy Oursler
7c91df5e50
igzip: add macros for shrx, shlx, and bzhi instructions on old architectures
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Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-02 17:11:06 -07:00
Roy Oursler
bbc886cf01
igzip: Modify igzip to ignore matches which are shorter than 4
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Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-02 17:07:45 -07:00
Greg Tucker
45311ea249
Change common and igzip multibinary check from sse4.1 to sse4.2
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SSE optimized compression function is using crc32 instruction that is in SSE 4.2
not SSE4.1 as stated. Fixes incorect choice on core 2 duo that is SSE 4.1 only.
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-02 17:05:23 -07:00
Xiaodong Liu
b34cb054fd
build: Fix an include path to be srcdir relative
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Allows configure to again build in an external directory. When building ISAL in
an external path, assembler or compiler needs relative include paths.
Signed-off-by: Xiaodong Liu <xiaodong.liu@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-02 16:54:40 -07:00
Greg Tucker
1abf68b7db
igzip: Fix missing .note.gnu-stack for non-executable stack
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One asm file in the source list for compression missed an include that adds
.note.gnu-stack. Without it an executable could be marked has having an
executable stack and miss some hardware protections.
Reported-by: Ondřej Nový <novy@ondrej.org>
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
2016-07-11 14:42:25 -07:00
Greg Tucker
660f49b02d
Add data compression unit
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Include fast DEFLATE compatable compression functions.
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
2016-06-10 17:03:38 -07:00
