| # Copyright 1999-2015 Gentoo Foundation. |
| # Distributed under the terms of the GNU General Public License v2 |
| # $Id$ |
| |
| # Whenever the flag name does not correspond to /proc/cpuinfo flags, |
| # please put the cpuinfo flag in square brackets. If more than one flag |
| # is specified, any of them will enable the respective USE flag. |
| |
| 3dnow - Use the 3DNow! instruction set |
| 3dnowext - Use the Enhanced 3DNow! instruction set |
| aes - Enable support for Intel's AES instruction set (AES-NI) |
| avx - Adds support for Advanced Vector Extensions instructions |
| avx2 - Adds support for Advanced Vector Extensions 2 instructions |
| fma3 - Use the Fused Multiply Add 3 instruction set ([fma] in cpuinfo) |
| fma4 - Use the Fused Multiply Add 4 instruction set |
| mmx - Use the MMX instruction set |
| mmxext - Use the Extended MMX instruction set (a subset of SSE) ([mmxext] or [sse] in cpuinfo) |
| padlock - Use VIA padlock instructions ([phe] in cpuinfo) |
| popcnt - Enable popcnt instruction support ([abm] or [popcnt] in cpuinfo) |
| sse - Use the SSE instruction set |
| sse2 - Use the SSE2 instruction set |
| sse3 - Use the SSE3 instruction set ([pni] in cpuinfo, NOT ssse3) |
| sse4_1 - Enable SSE4.1 instruction support |
| sse4_2 - Enable SSE4.2 instruction support |
| sse4a - Enable SSE4a instruction support |
| ssse3 - Use the SSSE3 instruction set (NOT sse3/pni) |
| xop - Enable the XOP instruction set |