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CPU FLAGS
Revision as of 22:46, March 26, 2015 by Mgorny (talk | contribs) (→CPU_FLAGS_X86: explain FMA a little better)
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 | MMX | See Wikipedia:MMX (instruction set) | ||
3dnow | 1998 (AMD K6-2) | AMD | 3DNow! | See Wikipedia:3DNow! | ||
mmxext | 1999 | AMD | sse | 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 | 4-operand fused multiply-add (a × b + c) | See Wikipedia:FMA instruction set | |
fma3 | 2012 (Piledriver) | AMD | Intel Haswell | 3-operand fused multiply-add (a × b + c) | See Wikipedia:FMA instruction set |