Changeset 160730 in webkit

Timestamp:

Dec 17, 2013, 3:30:04 PM (11 years ago)

Author:

mark.lam@apple.com

Message:

Introduce a maxFrameExtentForSlowPathCallInRegisters value.
​https://bugs.webkit.org/show_bug.cgi?id=125877.

Reviewed by Michael Saboff.

Sometimes, we need this max frame extent value in units of Registers.
So, might as well provide it at the source.

• assembler/MaxFrameExtentForSlowPathCall.h:

Location:

branches/jsCStack/Source/JavaScriptCore

Files:

• ChangeLog (modified) (1 diff)
• assembler/MaxFrameExtentForSlowPathCall.h (modified) (2 diffs)

branches/jsCStack/Source/JavaScriptCore/ChangeLog

@@ +1 @@
+2013-12-17  Mark Lam  <mark.lam@apple.com>
+
+        Introduce a maxFrameExtentForSlowPathCallInRegisters value.
+        https://bugs.webkit.org/show_bug.cgi?id=125877.
+
+        Reviewed by Michael Saboff.
+
+        Sometimes, we need this max frame extent value in units of Registers.
+        So, might as well provide it at the source.
+
+        * assembler/MaxFrameExtentForSlowPathCall.h:
+
 2013-12-16  Michael Saboff  <msaboff@apple.com>
 

branches/jsCStack/Source/JavaScriptCore/assembler/MaxFrameExtentForSlowPathCall.h

@@ -26 +26 @@
 #ifndef MaxFrameExtentForSlowPathCall_h
 #define MaxFrameExtentForSlowPathCall_h
+
+#include "Register.h"
+#include <wtf/Assertions.h>
 
 namespace JSC {
@@ -69 +72 @@
 #endif
 
+COMPILE_ASSERT(!(maxFrameExtentForSlowPathCall % sizeof(Register)), extent_must_be_in_multiples_of_registers);
+
+static const size_t maxFrameExtentForSlowPathCallInRegisters = maxFrameExtentForSlowPathCall / sizeof(Register);
+
 } // namespace JSC