qbe

commit 47a34dbd510ff890c4016d12ec8fbeaf5ae6e9c3
parent 6d264a2594d286fb513ff89afc6b984033ee4cda
Author: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date:   Fri, 23 Oct 2015 17:44:38 -0400

turn sum.ssa more C style

Diffstat:
M
lisc/test/sum.ssa
 | 
9
++++-----

1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/lisc/test/sum.ssa b/lisc/test/sum.ssa
@@ -2,19 +2,18 @@
 
 function w $sum(l %arr, w %num) {
 @start
-	%n0 =w sub %num, 1
 @loop
-	%n1 =w phi @start %n0, @loop1 %n2
+	%n1 =w phi @start %num, @loop1 %n2
 	%s0 =w phi @start 0, @loop1 %s1
-	%c =w cslt %n1, 0
+	%n2 =w sub %n1, 1
+	%c =w csle %n1, 0
 	jnz %c, @end, @loop1
 @loop1
-	%idx0 =l extuw %n1
+	%idx0 =l extuw %n2
 	%idx1 =l mul 4, %idx0
 	%idx2 =l add %idx1, %arr
 	%w =w loadw %idx2
 	%s1 =w add %w, %s0
-	%n2 =w sub %n1, 1
 	jmp @loop
 @end
 	ret %s0