From: Martin Perner <martin@perner.cc>
Date: Sun, 16 Jan 2011 15:23:15 +0000 (+0100)
Subject: sum: downto 64
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=calu.git;a=commitdiff_plain;h=0b162663e782326d8a6ffaedf97680a0819b1f31

sum: downto 64
---

diff --git a/progs/sum.s b/progs/sum.s
index c03df08..1a43351 100644
--- a/progs/sum.s
+++ b/progs/sum.s
@@ -84,6 +84,9 @@ sum:
 
 	andx r1, 0x3
 
+	cmpi r1, 0
+	breq+ go_loop
+
 	cmpi r1, 1
 	addideq r3, r3, 3
 	subideq r2, r2, 12
@@ -99,6 +102,7 @@ sum:
 	subideq r2, r2, 4
 	breq- loop3
 
+go_loop:
 	addi r3, r3, 4
 loop:
 	subi r3, r3, 4