From: Richard Earnshaw <rearnsha@arm.com>
Date: Tue, 21 May 2002 14:46:01 +0000 (+0000)
Subject: bitmap.c (bitmap_find_bit): Return early if we have the correct element cached.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=279be7c8be548f0f0905ce019632b9f09cf06853;p=gcc.git

bitmap.c (bitmap_find_bit): Return early if we have the correct element cached.

* bitmap.c (bitmap_find_bit): Return early if we have the correct
element cached.

From-SVN: r53686
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6f4a44248ed..c3d26dc2c1c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2002-05-21  Richard Earnshaw  <rearnsha@arm.com>
+
+	* bitmap.c (bitmap_find_bit): Return early if we have the correct
+	element cached.
+
 Tue May 21 10:51:54 CEST 2002  Jan Hubicka  <jh@suse.cz>
 
 	* profile.c (gen_edge_profiler):  Set alias set before the memory is
diff --git a/gcc/bitmap.c b/gcc/bitmap.c
index b735d1409d0..786689b4ad5 100644
--- a/gcc/bitmap.c
+++ b/gcc/bitmap.c
@@ -300,8 +300,9 @@ bitmap_find_bit (head, bit)
   bitmap_element *element;
   unsigned HOST_WIDE_INT indx = bit / BITMAP_ELEMENT_ALL_BITS;
 
-  if (head->current == 0)
-    return 0;
+  if (head->current == 0
+      || head->indx == indx)
+    return head->current;
 
   if (head->indx > indx)
     for (element = head->current;