3a_asm/2_isa: fixed our examples

[calu.git] / 2_isa / src / bittwiddling.s

diff --git a/2_isa/src/bittwiddling.s b/2_isa/src/bittwiddling.s
index 53861d5b8769883b193efe09c937e2bf0044d775..d4ecc81c50ef35e543e574d84df0011019a4edaf 100644 (file)
--- a/2_isa/src/bittwiddling.s
+++ b/2_isa/src/bittwiddling.s
@@ -10,7 +10,7 @@ B4: .fill 0x0000003F
 ;int countbits(int x) {
 countbits:
        ;x == r1
-       
+
        ;load address of B0 into r3
        ldil r3, B0@lo;
        ldih r3, B0@hi;
@@ -18,7 +18,7 @@ countbits:
        ;x = (x & B0) + ((x >>  1) & B0);
        ;r0 = (x >> 1)
        lrs r0,r1,1;
-       
+
        ;load B0 into r2
        ldw r2, 0(r3);
 
@@ -27,7 +27,7 @@ countbits:
 
        ;x & B0
        and r1, r1, r2;
-       
+
        ;x = (x & B0) + ((x >>  1) & B0);
        add r0, r0, r1;