16 files changed, 131 insertions, 0 deletions
diff --git a/test/builtin-va-copy.c b/test/builtin-va-copy+aarch64.c
index 7a69596..7a69596 100644
--- a/test/builtin-va-copy.c
+++ b/test/builtin-va-copy+aarch64.c
diff --git a/test/builtin-va-copy.qbe b/test/builtin-va-copy+aarch64.qbe
index 6c8d288..6c8d288 100644
--- a/test/builtin-va-copy.qbe
+++ b/test/builtin-va-copy+aarch64.qbe
diff --git a/test/builtin-va-copy+x86_64.c b/test/builtin-va-copy+x86_64.c
new file mode 100644
index 0000000..7a69596
--- /dev/null
+++ b/test/builtin-va-copy+x86_64.c
@@ -0,0 +1,4 @@
+void f(void) {
+	static __builtin_va_list a, b;
+	__builtin_va_copy(a, b);
+}
diff --git a/test/builtin-va-copy+x86_64.qbe b/test/builtin-va-copy+x86_64.qbe
new file mode 100644
index 0000000..47e1d9e
--- /dev/null
+++ b/test/builtin-va-copy+x86_64.qbe
@@ -0,0 +1,18 @@
+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
+	ret
+}
diff --git a/test/varargs.c b/test/varargs+aarch64.c
index 0b5a73d..0b5a73d 100644
--- a/test/varargs.c
+++ b/test/varargs+aarch64.c
diff --git a/test/varargs.qbe b/test/varargs+aarch64.qbe
index 512a8c7..512a8c7 100644
--- a/test/varargs.qbe
+++ b/test/varargs+aarch64.qbe
diff --git a/test/varargs+riscv64.c b/test/varargs+riscv64.c
new file mode 100644
index 0000000..0b5a73d
--- /dev/null
+++ b/test/varargs+riscv64.c
@@ -0,0 +1,12 @@
+void f(int n, ...) {
+	__builtin_va_list ap;
+
+	__builtin_va_start(ap, n);
+	while (n) {
+		__builtin_va_arg(ap, int);
+		__builtin_va_arg(ap, float);
+		__builtin_va_arg(ap, char *);
+		--n;
+	}
+	__builtin_va_end(ap);
+}
diff --git a/test/varargs+riscv64.qbe b/test/varargs+riscv64.qbe
new file mode 100644
index 0000000..7fcda8d
--- /dev/null
+++ b/test/varargs+riscv64.qbe
@@ -0,0 +1,22 @@
+export
+function $f(w %.1, ...) {
+@start.1
+	%.2 =l alloc4 4
+	storew %.1, %.2
+	%.3 =l alloc8 8
+@body.2
+	vastart %.3
+@while_cond.3
+	%.4 =w loadw %.2
+	jnz %.4, @while_body.4, @while_join.5
+@while_body.4
+	%.5 =w vaarg %.3
+	%.6 =s vaarg %.3
+	%.7 =l vaarg %.3
+	%.8 =w loadw %.2
+	%.9 =w sub %.8, 1
+	storew %.9, %.2
+	jmp @while_cond.3
+@while_join.5
+	ret
+}
diff --git a/test/varargs+x86_64.c b/test/varargs+x86_64.c
new file mode 100644
index 0000000..0b5a73d
--- /dev/null
+++ b/test/varargs+x86_64.c
@@ -0,0 +1,12 @@
+void f(int n, ...) {
+	__builtin_va_list ap;
+
+	__builtin_va_start(ap, n);
+	while (n) {
+		__builtin_va_arg(ap, int);
+		__builtin_va_arg(ap, float);
+		__builtin_va_arg(ap, char *);
+		--n;
+	}
+	__builtin_va_end(ap);
+}
diff --git a/test/varargs+x86_64.qbe b/test/varargs+x86_64.qbe
new file mode 100644
index 0000000..641afa1
--- /dev/null
+++ b/test/varargs+x86_64.qbe
@@ -0,0 +1,22 @@
+export
+function $f(w %.1, ...) {
+@start.1
+	%.2 =l alloc4 4
+	storew %.1, %.2
+	%.3 =l alloc8 24
+@body.2
+	vastart %.3
+@while_cond.3
+	%.4 =w loadw %.2
+	jnz %.4, @while_body.4, @while_join.5
+@while_body.4
+	%.5 =w vaarg %.3
+	%.6 =s vaarg %.3
+	%.7 =l vaarg %.3
+	%.8 =w loadw %.2
+	%.9 =w sub %.8, 1
+	storew %.9, %.2
+	jmp @while_cond.3
+@while_join.5
+	ret
+}
diff --git a/test/varargs-pass-valist+aarch64.c b/test/varargs-pass-valist+aarch64.c
new file mode 100644
index 0000000..c1ede84
--- /dev/null
+++ b/test/varargs-pass-valist+aarch64.c
@@ -0,0 +1,5 @@
+void f(__builtin_va_list ap);
+void g(void) {
+	static __builtin_va_list ap;
+	f(ap);
+}
diff --git a/test/varargs-pass-valist+aarch64.qbe b/test/varargs-pass-valist+aarch64.qbe
new file mode 100644
index 0000000..67cef8a
--- /dev/null
+++ b/test/varargs-pass-valist+aarch64.qbe
@@ -0,0 +1,9 @@
+data $.Lap.2 = align 8 { z 32 }
+type :va_list.1 = align 8 { 32 }
+export
+function $g() {
+@start.1
+@body.2
+	call $f(:va_list.1 $.Lap.2)
+	ret
+}
diff --git a/test/varargs-pass-valist+riscv64.c b/test/varargs-pass-valist+riscv64.c
new file mode 100644
index 0000000..c1ede84
--- /dev/null
+++ b/test/varargs-pass-valist+riscv64.c
@@ -0,0 +1,5 @@
+void f(__builtin_va_list ap);
+void g(void) {
+	static __builtin_va_list ap;
+	f(ap);
+}
diff --git a/test/varargs-pass-valist+riscv64.qbe b/test/varargs-pass-valist+riscv64.qbe
new file mode 100644
index 0000000..937f50a
--- /dev/null
+++ b/test/varargs-pass-valist+riscv64.qbe
@@ -0,0 +1,9 @@
+data $.Lap.2 = align 8 { z 8 }
+export
+function $g() {
+@start.1
+@body.2
+	%.1 =l loadl $.Lap.2
+	call $f(l %.1)
+	ret
+}
diff --git a/test/varargs-pass-valist+x86_64.c b/test/varargs-pass-valist+x86_64.c
new file mode 100644
index 0000000..c1ede84
--- /dev/null
+++ b/test/varargs-pass-valist+x86_64.c
@@ -0,0 +1,5 @@
+void f(__builtin_va_list ap);
+void g(void) {
+	static __builtin_va_list ap;
+	f(ap);
+}
diff --git a/test/varargs-pass-valist+x86_64.qbe b/test/varargs-pass-valist+x86_64.qbe
new file mode 100644
index 0000000..50d9283
--- /dev/null
+++ b/test/varargs-pass-valist+x86_64.qbe
@@ -0,0 +1,8 @@
+data $.Lap.2 = align 8 { z 24 }
+export
+function $g() {
+@start.1
+@body.2
+	call $f(l $.Lap.2)
+	ret
+}