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USE flags
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for cpu_flags_x86
cpu_flags_x86_padlock
(app-crypt/aespipe)
Use VIA padlock instructions, detected at run time, code still works on non-padlock processors
cpu_flags_x86_xop
Enable the XOP instruction set
cpu_flags_x86_mmx
Use the MMX instruction set
cpu_flags_x86_sse
Use the SSE instruction set
cpu_flags_x86_aes
Enable support for Intel's AES instruction set (AES-NI)
cpu_flags_x86_avx
Adds support for Advanced Vector Extensions instructions
cpu_flags_x86_fma4
Use the Fused Multiply Add 4 instruction set
cpu_flags_x86_sha
Use the SHA-NI instruction set
cpu_flags_x86_f16c
Adds support for F16C instruction set for converting between half-precision and single-precision floats
cpu_flags_x86_fma3
Use the Fused Multiply Add 3 instruction set ([fma] in cpuinfo)
cpu_flags_x86_avx2
Adds support for Advanced Vector Extensions 2 instructions
cpu_flags_x86_sse3
Use the SSE3 instruction set ([pni] in cpuinfo, NOT ssse3)
cpu_flags_x86_sse2
Use the SSE2 instruction set
cpu_flags_x86_ssse3
Use the SSSE3 instruction set (NOT sse3/pni)
cpu_flags_x86_sse4a
Enable SSE4a instruction support
cpu_flags_x86_3dnow
Use the 3DNow! instruction set
cpu_flags_x86_sse4_1
Enable SSE4.1 instruction support
cpu_flags_x86_mmxext
Use the Extended MMX instruction set (a subset of SSE) ([mmxext] or [sse] in cpuinfo)
cpu_flags_x86_popcnt
Enable popcnt instruction support ([abm] or [popcnt] in cpuinfo)
cpu_flags_x86_rdrand
Use the RDRAND instruction for generating random numbers
cpu_flags_x86_sse4_2
Enable SSE4.2 instruction support
cpu_flags_x86_pclmul
Use Carry-less Multiplication instructions ([pclmulqdq] in cpuinfo)
cpu_flags_x86_avx512f
Adds support for AVX-512 Foundation instructions
cpu_flags_x86_padlock
Use VIA padlock instructions ([phe] in cpuinfo)
cpu_flags_x86_avx512dq
Use AVX-512 double- and quad-word instructions
cpu_flags_x86_avx512bw
Use AVX-512 byte- and word instructions
cpu_flags_x86_3dnowext
Use the Enhanced 3DNow! instruction set
cpu_flags_x86_avx512cd
Use AVX-512 conflict detection instructions
cpu_flags_x86_avx512vl
Use AVX-512 vector-length instructions
cpu_flags_x86_avx512er
Use AVX-512 exponential and reciprocal instructions
cpu_flags_x86_avx512pf
Use AVX-512 prefetch instructions
cpu_flags_x86_vpclmulqdq
Use Vector Carry-Less Multiplication of Quadwords instruction set
cpu_flags_x86_avx512ifma
Use AVX-512 Integer Fused Multiply-Add instruction set
cpu_flags_x86_avx512_fp16
Use general-purpose numeric operations for 16-bit half-precision instruction set
cpu_flags_x86_avx512vbmi
Use AVX-512 vector byte manipulation instructions
cpu_flags_x86_avx512_bf16
Use AVX-512 BFloat16 instruction set
cpu_flags_x86_avx512_vnni
Use vector neural network instructions for 8- and 16-bit multiply-add operations
cpu_flags_x86_avx512_vbmi2
Use AVX-512 Vector Bit Manipulation Instructions 2
cpu_flags_x86_avx512_4vnniw
Use AVX-512 Vector Neural Network Instructions Word Variable Precision
cpu_flags_x86_avx512_bitalg
Use AVX-512 Bit Algorithms instruction set
cpu_flags_x86_avx512_4fmaps
Use AVX-512 Fused Multiply-Accumulate Packed Single Precision instruction set
cpu_flags_x86_avx512_vpopcntdq
Use AVX-512 Vector Population Count Doubleword and Quadword instruction set
cpu_flags_x86_avx512_vp2intersect
Use AVX-512 Intersect instruction set
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