| Commit message (Collapse) | Author | Age | Files | Lines |
|---|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
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>
|
| |
|
|
|
|
|
|
|
|
|
|
| |
By using -march= instead of -x, we turn on some other processor features
too. This was already the case for AVX2, which enabled all Haswell
features (notably FMA, BMI and BMI2).
Change-Id: If025d476890745368955fffd153126fc9eafc5d6
Reviewed-by: Alexander Shevchenko <sav_ix@ukr.net>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
|
|
|
linux-icc and macx-icc toolchains contain a significant amount of code
which can be merged to a common configuration file.
as a side effect, such merge resulted in reduction a parts of
linux-icc and macx-icc toolchains to the common view.
Change-Id: I37d110734eeeb9bd61ca0aa942de380ac8e75f1c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
|
