Implemented loads with register offsets

tests/programs/array-index-dynamic.q

@@ -0,0 +1,23 @@
+import mem
+
+main() {
+	a := mem.alloc(4)
+	i := 0
+
+	a[i] = i * 2
+	i += 1
+	a[i] = i * 2
+	i += 1
+	a[i] = i * 2
+	i += 1
+	a[i] = i * 2
+
+	i = 0
+	assert a[i] == i * 2
+	i += 1
+	assert a[i] == i * 2
+	i += 1
+	assert a[i] == i * 2
+	i += 1
+	assert a[i] == i * 2
+}

tests/programs/array-index-static.q

@@ -0,0 +1,20 @@
+import mem
+
+main() {
+	a := mem.alloc(4)
+
+	assert a[0] == 0
+	assert a[1] == 0
+	assert a[2] == 0
+	assert a[3] == 0
+
+	a[0] = 0
+	a[1] = 1
+	a[2] = 2
+	a[3] = 3
+
+	assert a[0] == 0
+	assert a[1] == 1
+	assert a[2] == 2
+	assert a[3] == 3
+}

tests/programs/array.q

@@ -1,44 +0,0 @@
-import mem
-
-main() {
-	a := mem.alloc(5)
-
-	assert a[0] == 0
-	assert a[1] == 0
-	assert a[2] == 0
-	assert a[3] == 0
-	assert a[4] == 0
-
-	a[0] = 0
-	a[1] = 1
-	a[2] = 2
-	a[3] = 3
-	a[4] = 4
-
-	assert a[0] == 0
-	assert a[1] == 1
-	assert a[2] == 2
-	assert a[3] == 3
-	assert a[4] == 4
-
-	i := 0
-	a[i] = i * 2
-
-	i += 1
-	a[i] = i * 2
-
-	i += 1
-	a[i] = i * 2
-
-	i += 1
-	a[i] = i * 2
-
-	i += 1
-	a[i] = i * 2
-
-	assert a[0] == 0
-	assert a[1] == 2
-	assert a[2] == 4
-	assert a[3] == 6
-	assert a[4] == 8
-}