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qsimd_p.h: add x86-64-v4

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Change-Id: Ib42b3adc93bf4d43bd55fffd16c1106092205f0d
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
This commit is contained in:
Thiago Macieira 2021-12-15 20:09:06 -03:00
parent ad65bbe4c0
commit 8b78439980
1 changed files with 15 additions and 0 deletions
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15
src/corelib/global/qsimd_p.h
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@ -260,6 +260,20 @@ static_assert(ARCH_HASWELL_MACROS, "Undeclared identifiers indicate which featur
# define __haswell__ 1
# endif
# undef ARCH_HASWELL_MACROS
// x86-64 sub-architecture version 4
//
// Similar to the above, x86-64-v4 marches the AVX512 variant of the Intel Core
// 6th generation (codename "Skylake").
# define ARCH_SKX_MACROS (__AVX512F__ + __AVX512BW__ + __AVX512CD__ + __AVX512DQ__ + __AVX512VL__)
# if ARCH_SKX_MACROS != 0
# if ARCH_SKX_MACROS != 5
# error "Please enable all x86-64-v4 extensions; you probably want to use -march=skylake-avx512 or -march=x86-64-v4 instead of -mavx512f"
# endif
static_assert(ARCH_SKX_MACROS, "Undeclared identifiers indicate which features are missing.");
# define __skylake_avx512__ 1
# endif
# undef ARCH_SKX_MACROS
#endif /* Q_PROCESSOR_X86 */
// NEON intrinsics
@ -364,6 +378,7 @@ extern "C" {
typedef uint64_t QCpuFeatureType;
static const QCpuFeatureType qCompilerCpuFeatures = _compilerCpuFeatures;
static const QCpuFeatureType CpuFeatureArchHaswell = cpu_haswell;
static const QCpuFeatureType CpuFeatureArchSkylakeAvx512 = cpu_skylake_avx512;
#else
typedef unsigned QCpuFeatureType;
#endif