From 0fc5c71d9777c4bf0fc2d0eb0a57569be8f777e2 Mon Sep 17 00:00:00 2001
From: Drahflow <drahflow@gmx.de>
Date: Thu, 14 May 2015 01:53:57 +0200
Subject: Minimal explanation of what is going on

---
 compiler/elymasAsmLib.ey | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'compiler')

diff --git a/compiler/elymasAsmLib.ey b/compiler/elymasAsmLib.ey
index e5d90c9..e5e242b 100644
--- a/compiler/elymasAsmLib.ey
+++ b/compiler/elymasAsmLib.ey
@@ -374,6 +374,10 @@
       /rbx :popqReg
       :retn
 
+      # free lists are accumulated during searchForFreeBlock when small blocks are skipped
+      # they always point downwards in the heap and are terminated by a null pointer
+      # only cells below unusedHeapStart may be present in the free lists
+
       @takeFromFreelist
       /rdi /rax :movqRegReg
       /rax :decqReg
-- 
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