Merge r162137 - Source/WTF/wtf/Atomics.h:300: Error: bad register nam…

…e `%bpl' https://bugs.webkit.org/show_bug.cgi?id=126985 Reviewed by Csaba Osztrogonác. Use the 'q' constraint to force using a register that allows access to its lower byte. * wtf/Atomics.h: (WTF::weakCompareAndSwap):
WebKit · Jan 21, 2014 · f80e15c · f80e15c
1 parent 9470f4d
commit f80e15c
Show file tree

Hide file tree

Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/Source/WTF/ChangeLog b/Source/WTF/ChangeLog
@@ -1,3 +1,16 @@
+2014-01-16  Alberto Garcia  <berto@igalia.com>
+
+        Source/WTF/wtf/Atomics.h:300: Error: bad register name `%bpl'
+        https://bugs.webkit.org/show_bug.cgi?id=126985
+
+        Reviewed by Csaba Osztrogonác.
+
+        Use the 'q' constraint to force using a register that allows
+        access to its lower byte.
+
+        * wtf/Atomics.h:
+        (WTF::weakCompareAndSwap):
+
 2014-01-15  Alberto Garcia  <berto@igalia.com>
 
         [GTK] v2.3.3 fails to build in Debian / FreeBSD

diff --git a/Source/WTF/wtf/Atomics.h b/Source/WTF/wtf/Atomics.h
@@ -284,7 +284,7 @@ inline bool weakCompareAndSwap(uint8_t* location, uint8_t expected, uint8_t newV
         "lock; cmpxchgb %3, %2\n\t"
         "sete %1"
         : "+a"(expected), "=q"(result), "+m"(*location)
-        : "r"(newValue)
+        : "q"(newValue)
         : "memory"
         );
     return result;