qt5base-lts/config.tests/x86_simd
Thiago Macieira 780137d585 QRandom: add support for RDSEED
The Intel whitepaer[1] recommends using the RDSEED over RDRAND whenever
present. libstdc++ from GCC 10 will also use it in std::random_device.

[ChangeLog][QtCore][QRandomGenerator] The system() random generator will
now use the RDSEED instruction on x86 processors whenever available as
the first source of random data. It will fall back to RDRAND and then to
the system functions, in that order.

[1] https://software.intel.com/en-us/articles/intel-digital-random-number-generator-drng-software-implementation-guide

Change-Id: I907a43cd9a714da288a2fffd15bab176e54e1975
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
2019-10-09 07:31:28 -07:00
..
main.cpp QRandom: add support for RDSEED 2019-10-09 07:31:28 -07:00
x86_simd.pro Centralize the x86 SIMD testing in one place 2017-11-30 08:30:42 +00:00