Implement __builtin_va_copy

2 files changed, 24 insertions, 0 deletions

diff --git a/tests/builtin-va-copy.c b/tests/builtin-va-copy.c
new file mode 100644
index 0000000..7a69596
--- /dev/null
+++ b/tests/builtin-va-copy.c
@@ -0,0 +1,4 @@
+void f(void) {
+	static __builtin_va_list a, b;
+	__builtin_va_copy(a, b);
+}
diff --git a/tests/builtin-va-copy.qbe b/tests/builtin-va-copy.qbe
new file mode 100644
index 0000000..7d88659
--- /dev/null
+++ b/tests/builtin-va-copy.qbe
@@ -0,0 +1,20 @@
+data $.La.2 = align 8 { z 24 }
+data $.Lb.3 = align 8 { z 24 }
+export
+function $f() {
+@start.1
+@body.2
+	%.1 =l loadl $.Lb.3
+	storel %.1, $.La.2
+	%.2 =l add $.Lb.3, 8
+	%.3 =l add $.La.2, 8
+	%.4 =l loadl %.2
+	storel %.4, %.3
+	%.5 =l add %.2, 8
+	%.6 =l add %.3, 8
+	%.7 =l loadl %.5
+	storel %.7, %.6
+	%.8 =l add %.5, 8
+	%.9 =l add %.6, 8
+	ret
+}