From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Wed, 9 Dec 2020 00:10:04 +0000 (+0100)
Subject: Make uncache_image slightly more efficient
X-Git-Tag: emacs-28.0.90~4840
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=85acde2ab5c2327c8f70ea3c284f26de4a44128b;p=emacs.git

Make uncache_image slightly more efficient

* src/image.c (uncache_image): Extremely minor speed-up: Only
compute the hash once.
---

diff --git a/src/image.c b/src/image.c
index 846f2d1a5b3..522a4cf7c0f 100644
--- a/src/image.c
+++ b/src/image.c
@@ -1633,12 +1633,13 @@ static void
 uncache_image (struct frame *f, Lisp_Object spec)
 {
   struct image *img;
+  EMACS_UINT hash = sxhash (spec);
 
   /* Because the background colors are based on the current face, we
      can have multiple copies of an image with the same spec. We want
      to remove them all to ensure the user doesn't see an old version
      of the image when the face changes.  */
-  while ((img = search_image_cache (f, spec, sxhash (spec), 0, 0, true)))
+  while ((img = search_image_cache (f, spec, hash, 0, 0, true)))
     {
       free_image (f, img);
       /* As display glyphs may still be referring to the image ID, we