bench: commenting

diff --git a/8_benchs/src/fibmmem.s b/8_benchs/src/fibmmem.s
index 7ad7cb21c4bc8b2d919e515f964aa32bc141bf24..11a0aa719a3dc9d98066ec63df7f425f4997f473 100644 (file)
--- a/8_benchs/src/fibmmem.s
+++ b/8_benchs/src/fibmmem.s
@@ -21,20 +21,30 @@ main:
        ;   return list[n]
        ; }
 fibcall:
+       ;update counter for aligned access
        lls r1, r1, 2 ; *4
+       ;calculate adress of top element
        add r2, r10, r1
-;      addi r2, r2, 4
 fibmem:
-;      add r2, r10, r1
-;      ldw r0, 0(r2)
+       ;load top element
        ldw r0, 0(r2)
+       ;compare if set
        cmpi r0, 0
+       ;return if set
        retnz-
+       ;decrement adress for next lopp
        subi r2, r2, 4
-;      subi r1, r1, 4
+       ;iterative call for n-1 element
        call+ fibmem
+       ;load n-2 element
        ldw r3, 0-4(r2)
+       ;add n-1 and n-2 element
        add r0, r3, r0
+       ;increment address for n element
+       ;is needed because after return
+       ;we need r2 to be set to the address
+       ;of element n
        addi r2, r2, 4
-       stw r0, 0(r2) ; ergebnis speichern
+       ;store fib n
+       stw r0, 0(r2)
        ret+