From: Simon Marlow <marlowsd@gmail.com>
Date: Wed, 4 Jun 2008 09:12:44 +0000 (+0000)
Subject: tiny tweak to the stack squeezing heuristic (fixes cg060)
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=804a84fbc46cd07146ed7689bb8fa3e94eeb756a

tiny tweak to the stack squeezing heuristic (fixes cg060)
---

diff --git a/rts/ThreadPaused.c b/rts/ThreadPaused.c
index 3aa66ed..c32a75b 100644
--- a/rts/ThreadPaused.c
+++ b/rts/ThreadPaused.c
@@ -310,7 +310,7 @@ end:
     // the number of words we have to shift down is less than the
     // number of stack words we squeeze away by doing so.
     if (RtsFlags.GcFlags.squeezeUpdFrames == rtsTrue &&
-	((weight <= 4 && words_to_squeeze > 0) || weight < words_to_squeeze)) {
+	((weight <= 5 && words_to_squeeze > 0) || weight < words_to_squeeze)) {
 	stackSqueeze(tso, (StgPtr)frame);
     }
 }