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QRandom: add support for RDSEED on INTEL_ICL & MSVC

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We set the macro for RDSEED because neither MSVC nor the Intel compiler
on Windows defines the macro. The implication is that when qRandomCpu()
calls qCpuHasFeature() in simd.cpp, qDetectCpuFeatures() correctly
receives the expected CPU features enabled in the build from
qCompilerCpuFeatures, namely CpuFeatureRDSEED (qsimd_x86_p.h)

Change-Id: I5741d4f956a93f21c358af8a4ee393c1741b85ee
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Francisco Boni 2019-10-15 17:56:26 -03:00
parent 7ac3bc9f83
commit a9b34f5726
1 changed files with 6 additions and 1 deletions
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7
mkspecs/win32-icc/qmake.conf
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@ -22,7 +22,7 @@ QMAKE_CFLAGS_WARN_OFF = -W0
QMAKE_CFLAGS_DEBUG = $$QMAKE_CFLAGS_OPTIMIZE_DEBUG -Zi -MDd
QMAKE_CFLAGS_UTF8_SOURCE = -Qoption,cpp,--unicode_source_kind,UTF-8
QMAKE_CFLAGS_LTCG = -Qipo
QMAKE_CFLAGS_DISABLE_LTCG = -Qno-ipo
QMAKE_CFLAGS_DISABLE_LTCG = -Qipo-
QMAKE_CFLAGS_SSE2 = -QxSSE2
QMAKE_CFLAGS_SSE3 = -QxSSE3
@ -39,6 +39,11 @@ QMAKE_CFLAGS_AVX512DQ += -QxCORE-AVX512
QMAKE_CFLAGS_AVX512BW += -QxCORE-AVX512
QMAKE_CFLAGS_AVX512VL += -QxCORE-AVX512
QMAKE_CFLAGS_F16C = $$QMAKE_CFLAGS_AVX2
QMAKE_CFLAGS_RDRND = $$QMAKE_CFLAGS_AVX2
# ICC on Windows lacks the mrdseed compiler option that sets the RDSEED macro
QMAKE_CFLAGS_RDSEED = -D__RDSEED__=1
QMAKE_CFLAGS_ARCH_HASWELL = $$QMAKE_CFLAGS_AVX2
QMAKE_CFLAGS_AESNI = -QxSSE2
QMAKE_CFLAGS_SHANI = -QxSSE4.2