diff options
Diffstat (limited to 'lisp/emacs-lisp')
-rw-r--r-- | lisp/emacs-lisp/byte-opt.el | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/byte-opt.el b/lisp/emacs-lisp/byte-opt.el index 5441083a8b2..5594b918b37 100644 --- a/lisp/emacs-lisp/byte-opt.el +++ b/lisp/emacs-lisp/byte-opt.el @@ -1151,6 +1151,10 @@ ;;; state, so that constant folding them would be wrong, ;;; but we don't do constant folding based on this list. +;;; However, at present the only optimization we normally do +;;; is delete calls that need not occur, and we only do that +;;; with the error-free functions. + ;;; I wonder if I missed any :-\) (let ((side-effect-free-fns '(% * + - / /= 1+ 1- < <= = > >= abs acos append aref ash asin atan |