From 71995702df08e91ae2aea7c23def5ffee0835cd1 Mon Sep 17 00:00:00 2001
From: Mathias Magnusson <mathias@magnusson.space>
Date: Thu, 31 Jul 2025 00:35:04 +0200
Subject: use saved rregisters when needed

& store and restore saved registers on the stack
---
 rec_fib.hgn | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 rec_fib.hgn

(limited to 'rec_fib.hgn')

diff --git a/rec_fib.hgn b/rec_fib.hgn
new file mode 100644
index 0000000..cc09993
--- /dev/null
+++ b/rec_fib.hgn
@@ -0,0 +1,11 @@
+main := proc() {
+    n := 10 # read_int(0)
+    f := fib(n)
+    print(f)
+    exit(0)
+}
+
+fib := proc(n) {
+    if n < 2 { return n }
+    return fib(n - 2) + fib(n - 1)
+}
-- 
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