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ruby-changes:22332

From: nobu <ko1@a...>
Date: Fri, 27 Jan 2012 16:32:03 +0900 (JST)
Subject: [ruby-changes:22332] nobu:r34381 (trunk): * gc.c (HEAP_ALIGN, HEAP_ALIGN_MASK): DRY, let compiler calculate

nobu	2012-01-27 16:31:50 +0900 (Fri, 27 Jan 2012)

  New Revision: 34381

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=34381

  Log:
    * gc.c (HEAP_ALIGN, HEAP_ALIGN_MASK): DRY, let compiler calculate
      from HEAP_ALIGN_LOG.

  Modified files:
    trunk/ChangeLog
    trunk/gc.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 34380)
+++ ChangeLog	(revision 34381)
@@ -1,3 +1,8 @@
+Fri Jan 27 16:31:45 2012  Nobuyoshi Nakada  <nobu@r...>
+
+	* gc.c (HEAP_ALIGN, HEAP_ALIGN_MASK): DRY, let compiler calculate
+	  from HEAP_ALIGN_LOG.
+
 Thu Jan 26 11:03:37 2012  Eric Hodel  <drbrain@s...>
 
 	* lib/matrix.rb:  Clean up extra whitespace in output documentation.
Index: gc.c
===================================================================
--- gc.c	(revision 34380)
+++ gc.c	(revision 34381)
@@ -538,8 +538,8 @@
 
 /* tiny heap size: 16KB */
 #define HEAP_ALIGN_LOG 14
-#define HEAP_ALIGN 0x4000
-#define HEAP_ALIGN_MASK 0x3fff
+#define HEAP_ALIGN (1UL << HEAP_ALIGN_LOG)
+#define HEAP_ALIGN_MASK (~(~0UL << HEAP_ALIGN_LOG))
 #define REQUIRED_SIZE_BY_MALLOC (sizeof(size_t) * 5)
 #define HEAP_SIZE (HEAP_ALIGN - REQUIRED_SIZE_BY_MALLOC)
 

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