Changeset 180516 in webkit

Timestamp:

Feb 23, 2015 2:08:41 PM (9 years ago)

Author:

mmirman@apple.com

Message:

r9 is volatile on ARMv7 for iOS 3 and up.
​https://bugs.webkit.org/show_bug.cgi?id=141489
rdar://problem/19432916

Reviewed by Michael Saboff.

• jit/RegisterSet.cpp:

(JSC::RegisterSet::calleeSaveRegisters): removed r9 from the list of ARMv7 callee save registers.

• tests/stress/regress-141489.js: Added.

(foo):

Location:

trunk/Source/JavaScriptCore

Files:

• ChangeLog (modified) (1 diff)
• jit/RegisterSet.cpp (modified) (1 diff)
• tests/stress/regress-141489.js (added)

trunk/Source/JavaScriptCore/ChangeLog

@@ +1 @@
+2015-02-23  Matthew Mirman  <mmirman@apple.com>
+
+        r9 is volatile on ARMv7 for iOS 3 and up. 
+        https://bugs.webkit.org/show_bug.cgi?id=141489
+        rdar://problem/19432916
+
+        Reviewed by Michael Saboff.
+
+        * jit/RegisterSet.cpp: 
+        (JSC::RegisterSet::calleeSaveRegisters): removed r9 from the list of ARMv7 callee save registers.
+        * tests/stress/regress-141489.js: Added.
+        (foo):
+
 2015-02-23  Csaba Osztrogonác  <ossy@webkit.org>
 

trunk/Source/JavaScriptCore/jit/RegisterSet.cpp

@@ -87 +87 @@
     result.set(ARMRegisters::r6);
     result.set(ARMRegisters::r8);
-    result.set(ARMRegisters::r9);
     result.set(ARMRegisters::r10);
     result.set(ARMRegisters::r11);