| #
2772f7c3 |
| 27-Nov-2020 |
Nikita Popov |
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,
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.
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Revision tags: php-8.0.0, php-7.3.25, php-7.4.13, php-8.0.0RC5, php-7.4.13RC1, php-8.0.0RC4, php-7.3.25RC1, php-7.4.12, php-8.0.0RC3, php-7.3.24, php-8.0.0RC2, php-7.4.12RC1, php-7.3.24RC1, php-7.2.34, php-8.0.0rc1, php-7.4.11, php-7.3.23, php-8.0.0beta4, php-7.4.11RC1, php-7.3.23RC1 |
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| #
c3299d7d |
| 02-Sep-2020 |
Frank Du |
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:/
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
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