1.0.29.44: Complex float improvements

[sbcl.git] / base-target-features.lisp-expr

diff --git a/base-target-features.lisp-expr b/base-target-features.lisp-expr
index 78139e0..f389507 100644 (file)
--- a/base-target-features.lisp-expr
+++ b/base-target-features.lisp-expr
@@ -145,6 +145,28 @@
  ;; code will also trap multiple readers.
  ; :sb-hash-table-debug
 
+ ;; Enabled automatically by make-config.sh for platforms which implement
+ ;; the %READ-CYCLE-COUNTER VOP. Can be disabled manually: affects TIME.
+ ;;
+ ;; FIXME: Should this be :SB-CYCLE-COUNTER instead? If so, then the same goes
+ ;; for :COMPARE-AND-SWAP-VOPS as well, and a bunch of others. Perhaps
+ ;; built-time convenience features like this should all live in eg. SB!INT
+ ;; instead?
+ ;;
+ ; :cycle-counter
+
+ ;; Enabled automatically for platforms which implement complex arithmetic
+ ;; VOPs. Such platforms should implement real-complex, complex-real and
+ ;; complex-complex addition and subtractions (for complex-single-float
+ ;; and complex-double-float). They should also also implement complex-real
+ ;; and real-complex multiplication, complex-real division, and
+ ;; sb!vm::swap-complex, which swaps the real and imaginary parts.
+ ;; Finally, they should implement conjugate and complex-real, real-complex
+ ;; and complex-complex CL:= (complex-complex EQL would usually be a good
+ ;; idea).
+ ;;
+ ; :complex-float-vops
+
  ;; Peter Van Eynde's increase-bulletproofness code for CMU CL
  ;;
  ;; Some of the code which was #+high-security before the fork has now
@@ -338,6 +360,7 @@
  ;;   :darwin  = We're intended to run under Darwin (including MacOS X).
  ;;   :sunos   = We're intended to run under Solaris user environment
  ;;              with the SunOS kernel.
+ ;;   :hpux    = We're intended to run under HP-UX 11.11 or later
  ;;   :osf1    = We're intended to run under Tru64 (aka Digital Unix
  ;;              aka OSF/1).
  ;;   :win32   = We're intended to under some version of Microsoft Windows.