| # Copyright 1999-2017 Gentoo Foundation. |
| # Distributed under the terms of the GNU General Public License v2 |
| |
| aes - Use the AES cryptography instruction set |
| crc32 - Use the CRC32 instruction set |
| edsp - Use the enhanced DSP instructions (ARMv*E and ARMv6+) |
| iwmmxt - Use the iwMMXt instruction set |
| neon - Use the NEON (ASIMD) instruction set |
| sha1 - Use the SHA-1 cryptography instruction set |
| sha2 - Use the SHA-2 cryptography instruction set |
| thumb - Enable Thumb instruction set (ARMv*T and ARMv6+) |
| thumb2 - Enable Thumb-2 instruction set (ARMv*T2 and ARMv7+) |
| v4 - Use instructions added in ARMv4 |
| v5 - Use instructions added in ARMv5 |
| v6 - Use instructions added in ARMv6 |
| v7 - Use instructions added in ARMv7 |
| v8 - Use instructions added in ARMv8 |
| vfp - Use the VFP version 2 instruction set |
| vfpv3 - Use the VFP version 3 instruction set |
| vfpv4 - Use the VFP version 4 instruction set |
| vfp-d32 - Indicate that the FPU has 32 64-bit VFP (v3+) registers (16 otherwise) |