:x86-64 :win32 :avx2 :sb-safepoint :sb-thruption :sb-wtimer :sb-safepoint-strictly :sb-futex :64-bit :gencgc :stack-grows-downward-not-upward :c-stack-is-control-stack :linkage-table :compare-and-swap-vops :unwind-to-frame-and-call-vop :fp-and-pc-standard-save :stack-allocatable-closures :stack-allocatable-vectors :stack-allocatable-lists :stack-allocatable-fixed-objects :alien-callbacks :cycle-counter :integer-eql-vop :sb-simd-pack :sb-simd-pack-256 :little-endian :sb-thread :call-symbol