Changeset 61851 in webkit for trunk/JavaScriptCore/assembler

Timestamp:

Jun 25, 2010, 4:58:24 AM (15 years ago)

Author:

[email protected]

Message:

2010-06-25 Nathan Lawrence <​[email protected]>

Reviewed by Geoffrey Garen.

Aligning AssemblerBuffer to 128 bytes gives a 0.4% speedup on
sunspider.

• assembler/AssemblerBuffer.h: (JSC::AssemblerBuffer::AssemblerBuffer):

File:

• trunk/JavaScriptCore/assembler/AssemblerBuffer.h (modified) (2 diffs)

trunk/JavaScriptCore/assembler/AssemblerBuffer.h

@@ -38 +38 @@
 
     class AssemblerBuffer {
-        static const int inlineCapacity = 256;
+        static const int inlineCapacity = 128 - sizeof(char*) - 2 * sizeof(int);
     public:
         AssemblerBuffer()
@@ -45 +45 @@
             , m_size(0)
         {
+            COMPILE_ASSERT(sizeof(AssemblerBuffer) == 128, AssemblerBuffer_should_be_128_bytes);
         }