CPU FLAGS

This page lists processor instruction sets that can be enabled on Funtoo Linux systems using the CPU_FLAGS_* variables.

CPU_FLAGS_X86

Flag	Introduced	By	Part of	Adopted in	Name	Links
mmx	1997 (Pentium MMX)	Intel	sse		MMX	See Wikipedia:MMX (instruction set)
3dnow	1998 (AMD K6-2)	AMD			3DNow!	See Wikipedia:3DNow!
mmxext	1999	AMD		Intel Pentium III (as part of SSE)	AMD MMX Extensions	See Wikipedia:Extended MMX
3dnowext	1999 (AMD Athlon)	AMD			3DNow! Extensions	See Wikipedia:3DNow!#3DNow extensions
sse	1999 (Pentium III)	AMD		Athlon XP	Streaming SIMD Extensions (SSE)	See Wikipedia:Streaming SIMD Extensions
sse2	2001 (Pentium 4)	Intel		AMD Athlon 64/Opteron	Streaming SIMD Extensions 2 (SSE2)	See Wikipedia:SSE2
sse3	2004 (Pentium 4 Prescott)	Intel		AMD Athlon 64 (some steppings)	Streaming SIMD Extensions 3 (SSE3/PNI)	See Wikipedia:SSE3
ssse3	2006 (Core 2 Woodcrest)	Intel		AMD Bobcat/Bulldozer	Supplemental Streaming SIMD Extensions 3 (SSSE3)	See Wikipedia:SSSE3
sse4_1	2007 (Core Penryn)	Intel		AMD Bulldozer	Supplemental Streaming SIMD Extensions 4.1	See Wikipedia:SSSE4#SSE4.1
sse4a	late 2007 (Barcelona/Phenom)	AMD		N/A	Supplemental Streaming SIMD Extensions 4a	See Wikipedia:SSSE4#SSE4a
sse4_2	late 2008 (Nehalem/Core i7)	Intel		AMD Bulldozer	Supplemental Streaming SIMD Extensions 4.2	See Wikipedia:SSSE4#SSE4.2
popcnt	2007	AMD		Intel Nehalem	POPCNT	See Wikipedia:SSE4#POPCNT_and_LZCNT
lzcnt	2007	AMD		Intel Haswell	LZCNT	See Wikipedia:SSE4#POPCNT_and_LZCNT
xop	2011 (Bulldozer)	AMD			XOP Instruction set	See Wikipedia:XOP instruction set
avx	2011 (Sandy Bridge)	Intel		AMD Bulldozer	Advanced Vector Extensions	See Wikipedia:Advanced Vector Extensions
fma4	2011 (Bulldozer)	AMD		N/A	FMA3	See Wikipedia:FMA instruction set
fma3	2012 (Piledriver)	AMD		Intel Haswell	FMA3	See Wikipedia:FMA instruction set