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3 Commits

Author SHA1 Message Date
Patrick Allaert
8c60e21515
Avoid possible [-Wstrict-prototypes] build warnings 2022-02-24 16:14:47 +01:00
Nikita Popov
2772f7c3ad Avoid direct calls to zend_cpu_supports() 
While the use of zend_cpu_supports_*() is only strictly necessary
inside ifunc resolvers, where the cpu state has not been initialized
yet, we should prefer the compiler builtins in all cases.
 2020-11-27 11:18:10 +01:00
Frank Du
c3299d7dab X86: Fast CRC32 computation using PCLMULQDQ instruction 
Based on:
"Fast CRC Computation for Generic Polynomials Using PCLMULQDQ Instruction"
V. Gopal, E. Ozturk, et al., 2009, http://intel.ly/2ySEwL0

Signed-off-by: Frank Du <frank.du@intel.com>

Closes GH-6018
 2020-09-02 15:10:41 +02:00