https://alphalinux.org/wiki/ 2026-07-12T22:30:26+00:00 https://alphalinux.org/wiki/ https://alphalinux.org/wiki/_media/wiki:logo.png text/html 2026-07-12T19:20:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://alphalinux.org/wiki/documentation:amask?rev=1783884008&do=diff Architecture Mask (amask) The Architecture Mask instruction is used to determine the presence of instruction set extensions at runtime. Example This program will use gcc's __builtin_alpha_amask intrinsic function to determine which architectural extensions are present in the host CPU. text/html 2026-07-12T19:20:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://alphalinux.org/wiki/documentation:books?rev=1783884008&do=diff Books Title ISBN / Order Number Alpha Architecture Handbook, Version 1 EC-H1689-10 Alpha Architecture Handbook, Version 2 EC–QD2KA–TE Alpha Architecture Handbook, Version 3 EC–QD2KB–TE Alpha Architecture Handbook, Version 4 EC–QD2KC–TE text/html 2026-07-12T19:20:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://alphalinux.org/wiki/documentation:instruction_set?rev=1783884008&do=diff Alpha Instruction Set Primer Raymond Chen's blog series about the Alpha is an excellent (albeit Windows-focused) discussion of the instruction set. * The Alpha AXP, part 1: Initial plunge * The Alpha AXP, part 2: Integer calculations * The Alpha AXP, part 3: Integer constants * The Alpha AXP, part 4: Bit 15. Ugh. Bit 15. * The Alpha AXP, part 5: Conditional operations and control flow * The Alpha AXP, part 6: Memory access, basics * The Alpha AXP, part 7: Memory access, loading …