From: Richard Henderson <rth@redhat.com>
Date: Tue, 13 Dec 2011 20:10:36 +0000 (-0800)
Subject: rwlock.cc (gtm_rwlock::write_lock_generic): Fix signed/unsigned comparison werror.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5d9d05d349e55217a11841377fda0646d86e17ba;p=gcc.git

rwlock.cc (gtm_rwlock::write_lock_generic): Fix signed/unsigned comparison werror.

        * config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
        signed/unsigned comparison werror.

From-SVN: r182302
---

diff --git a/libitm/ChangeLog b/libitm/ChangeLog
index cfb959dd05c..1b5966ecdbe 100644
--- a/libitm/ChangeLog
+++ b/libitm/ChangeLog
@@ -1,5 +1,8 @@
 2011-12-13  Richard Henderson  <rth@redhat.com>
 
+	* config/posix/rwlock.cc (gtm_rwlock::write_lock_generic): Fix
+	signed/unsigned comparison werror.
+
 	* local_atomic: New file.
 	* libitm_i.h: Include it.
 	(gtm_thread::shared_state): Use atomic template.
diff --git a/libitm/config/posix/rwlock.cc b/libitm/config/posix/rwlock.cc
index e1e3dcf22d0..2464f041c5a 100644
--- a/libitm/config/posix/rwlock.cc
+++ b/libitm/config/posix/rwlock.cc
@@ -193,7 +193,7 @@ gtm_rwlock::write_lock_generic (gtm_thread *tx)
 	  it = it->next_thread)
 	{
 	  // Don't count ourself if this is an upgrade.
-	  if (it->shared_state.load(memory_order_relaxed) != -1)
+	  if (it->shared_state.load(memory_order_relaxed) != (gtm_word)-1)
 	    readers++;
 	}