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author | Stefan Monnier <monnier@iro.umontreal.ca> | 2014-10-22 09:38:47 -0400 |
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committer | Stefan Monnier <monnier@iro.umontreal.ca> | 2014-10-22 09:38:47 -0400 |
commit | be603ee9b653b14f62bb1bbcc6bded35e76f3ee7 (patch) | |
tree | e1e6ec218a93b275bc5c2d8ca41fb0c46658c1b1 /lisp/emacs-lisp/bytecomp.el | |
parent | bdc9a8b5acdffe0acd6360b1cade8ff732df3e76 (diff) | |
download | emacs-be603ee9b653b14f62bb1bbcc6bded35e76f3ee7.tar.gz emacs-be603ee9b653b14f62bb1bbcc6bded35e76f3ee7.tar.bz2 emacs-be603ee9b653b14f62bb1bbcc6bded35e76f3ee7.zip |
* lisp/emacs-lisp/bytecomp.el (byte-compile-and-folded): Optimize case where
all args are copyable.
(=, <, >, <=, >=): Re-enable the optimization.
Fixes: debbugs:18767
Diffstat (limited to 'lisp/emacs-lisp/bytecomp.el')
-rw-r--r-- | lisp/emacs-lisp/bytecomp.el | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el index 69c4e0f1628..6ab0efff86b 100644 --- a/lisp/emacs-lisp/bytecomp.el +++ b/lisp/emacs-lisp/bytecomp.el @@ -120,7 +120,7 @@ (require 'backquote) (require 'macroexp) (require 'cconv) -(eval-when-compile (require 'cl-lib)) +(require 'cl-lib) (or (fboundp 'defsubst) ;; This really ought to be loaded already! @@ -3261,11 +3261,11 @@ If it is nil, then the handler is \"byte-compile-SYMBOL.\"" (byte-defop-compiler cons 2) (byte-defop-compiler aref 2) (byte-defop-compiler set 2) -(byte-defop-compiler (= byte-eqlsign) 2) ;; -and bug#18767 -(byte-defop-compiler (< byte-lss) 2) ;; -and bug#18767 -(byte-defop-compiler (> byte-gtr) 2) ;; -and bug#18767 -(byte-defop-compiler (<= byte-leq) 2) ;; -and bug#18767 -(byte-defop-compiler (>= byte-geq) 2) ;; -and bug#18767 +(byte-defop-compiler (= byte-eqlsign) 2-and) +(byte-defop-compiler (< byte-lss) 2-and) +(byte-defop-compiler (> byte-gtr) 2-and) +(byte-defop-compiler (<= byte-leq) 2-and) +(byte-defop-compiler (>= byte-geq) 2-and) (byte-defop-compiler get 2) (byte-defop-compiler nth 2) (byte-defop-compiler substring 2-3) @@ -3332,13 +3332,14 @@ If it is nil, then the handler is \"byte-compile-SYMBOL.\"" (defun byte-compile-and-folded (form) "Compile calls to functions like `<='. These implicitly `and' together a bunch of two-arg bytecodes." - ;; FIXME: bug#18767 means we can't do it this way! (let ((l (length form))) (cond ((< l 3) (byte-compile-form `(progn ,(nth 1 form) t))) ((= l 3) (byte-compile-two-args form)) - (t (byte-compile-form `(and (,(car form) ,(nth 1 form) ,(nth 2 form)) - (,(car form) ,@(nthcdr 2 form)))))))) + ((cl-every #'macroexp-copyable-p (nthcdr 2 form)) + (byte-compile-form `(and (,(car form) ,(nth 1 form) ,(nth 2 form)) + (,(car form) ,@(nthcdr 2 form))))) + (t (byte-compile-normal-call form))))) (defun byte-compile-three-args (form) (if (not (= (length form) 4)) |