;; foreign code that uses a 32-bit off_t.
; :largefile
+ ;; Enabled automatically on platforms that have VOPs to compute the
+ ;; high half of a full word-by-word multiplication. When disabled,
+ ;; SB-KERNEL:%MULTIPLY-HIGH is implemented in terms of
+ ;; SB-BIGNUM:%MULTIPLY.
+ ; :multiply-high-vops
+
+ ;; SBCL has optional support for zlib-based compressed core files. Enable
+ ;; this feature to compile it in. Obviously, doing so adds a dependency
+ ;; on zlib.
+ ; :sb-core-compression
+
;;
;; miscellaneous notes on other things which could have special significance
;; in the *FEATURES* list
;; :compare-and-swap-vops
;; The backend implements compare-and-swap VOPs.
;;
+ ;; :memory-barrier-vops
+ ;; Memory barriers (for multi-threaded synchronization) have been
+ ;; implemented for this platform.
+ ;;
;; operating system features:
;; :unix = We're intended to run under some Unix-like OS. (This is not
;; exclusive with the features which indicate which particular