From: Hans Boehm <Hans_Boehm@hp.com>
Date: Sat, 15 Mar 2003 01:04:08 +0000 (+0000)
Subject: * java/lang/natObject.cc (JV_SYNC_HASH): replace signed % by &.
X-Git-Tag: releases/gcc-3.4.0~7913
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=adf936a606445e0e6c0d1de74338a5e237d9217e;p=thirdparty%2Fgcc.git

* java/lang/natObject.cc (JV_SYNC_HASH): replace signed % by &.

From-SVN: r64386
---

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index b1d3b4993987..afa56a7b2113 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,7 @@
+2003-03-14  Hans Boehm  <Hans.Boehm@hp.com>
+
+	* java/lang/natObject.cc (JV_SYNC_HASH): replace signed % by &.
+
 2003-02-14  Jeroen Frijters  <jeroen@sumatra.nl>
 
 	* java/io/ObjectInputStream.java (readObject): Cleaned up the class
diff --git a/libjava/java/lang/natObject.cc b/libjava/java/lang/natObject.cc
index e9c74fdb285b..24faf29e51e1 100644
--- a/libjava/java/lang/natObject.cc
+++ b/libjava/java/lang/natObject.cc
@@ -351,7 +351,7 @@ struct heavy_lock {
   obj_addr_t address;		// Object to which this lock corresponds.
 				// Should not be traced by GC.
   				// Cleared as heavy_lock is destroyed.
-  				// Together with the rest of the hevy lock
+  				// Together with the rest of the heavy lock
   				// chain, this is protected by the lock
   				// bit in the hash table entry to which
   				// the chain is attached.
@@ -457,12 +457,12 @@ struct hash_entry {
 };
 
 #ifndef JV_SYNC_TABLE_SZ
-# define JV_SYNC_TABLE_SZ 2048
+# define JV_SYNC_TABLE_SZ 2048	// Must be power of 2.
 #endif
 
 hash_entry light_locks[JV_SYNC_TABLE_SZ];
 
-#define JV_SYNC_HASH(p) (((long)p ^ ((long)p >> 10)) % JV_SYNC_TABLE_SZ)
+#define JV_SYNC_HASH(p) (((long)p ^ ((long)p >> 10)) & (JV_SYNC_TABLE_SZ-1))
 
 // Note that the light_locks table is scanned conservatively by the
 // collector.  It is essential the the heavy_locks field is scanned.