regalloc: start implementing linear scan

1 files changed, 13 insertions, 0 deletions

diff --git a/test/fact.c b/test/fact.c
new file mode 100644
index 0000000..1147d8f
--- /dev/null
+++ b/test/fact.c
@@ -0,0 +1,13 @@
+int
+fact(int x)
+{
+   int y = 1;
+   while (x >= 1) {
+      y *= x;
+      x -= 1;
+   }
+   return y;
+}
+
+extern int printf();
+int main() { printf("6! = %d\n", fact(6)); }