From 433521231784c6ce26900f88c382bee63cdd169b Mon Sep 17 00:00:00 2001
From: Teddy <ted.sybil@gmail.com>
Date: Sun, 4 May 2014 02:37:59 +0800
Subject: resolve interval building issues in loops

---
 ssa.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'ssa.h')

diff --git a/ssa.h b/ssa.h
index 722545d..3699b9d 100644
--- a/ssa.h
+++ b/ssa.h
@@ -34,20 +34,24 @@ struct COpr {
     int dep;
     int mod;
     int reg;        /* -1 for spilled, -2 for discarded */
+    int begin, end; /* for reg allocation */
     CType_t type;
     CInst_t def;
     CRange_t range;
     COpr_t par;     /* union-find */
     COpr_t cval;
+    COpr_t spill;   /* check this reference if spilled */
 };
 
 typedef struct COList COList;
 typedef COList *COList_t;
 struct COList {
     COpr_t opr;
-    COList_t next;
+    COList_t next, prev;
 };
 
+void colist_remove(COList_t node);
+
 struct CInst {
     enum {
         BEQZ,   /* conditional jump */
-- 
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