feat: support assignment between objects larger than register size

1 files changed, 87 insertions, 0 deletions

diff --git a/tests/072.sh b/tests/072.sh
new file mode 100644
index 0000000..9e7ab9b
--- /dev/null
+++ b/tests/072.sh
@@ -0,0 +1,87 @@
+set -e
+
+cat <<'EOF' > expected
+123 456
+0 0
+123 456
+EOF
+
+bash ../../test_diff.sh <<'EOF'
+struct S {
+    int a;
+    int b;
+};
+typedef struct S S;
+
+void* calloc();
+int printf();
+
+int main() {
+    S* s1 = calloc(1, sizeof(S));
+    S* s2 = calloc(1, sizeof(S));
+    s1->a = 123;
+    s1->b = 456;
+    printf("%d %d\n", s1->a, s1->b);
+    printf("%d %d\n", s2->a, s2->b);
+    *s2 = *s1;
+    printf("%d %d\n", s2->a, s2->b);
+}
+EOF
+
+cat <<'EOF' > expected
+123 456
+0 0
+123 456
+EOF
+
+bash ../../test_diff.sh <<'EOF'
+struct S {
+    long a;
+    long b;
+};
+typedef struct S S;
+
+void* calloc();
+int printf();
+
+int main() {
+    S* s1 = calloc(1, sizeof(S));
+    S* s2 = calloc(1, sizeof(S));
+    s1->a = 123;
+    s1->b = 456;
+    printf("%d %d\n", s1->a, s1->b);
+    printf("%d %d\n", s2->a, s2->b);
+    *s2 = *s1;
+    printf("%d %d\n", s2->a, s2->b);
+}
+EOF
+
+cat <<'EOF' > expected
+123 456
+0 0
+123 456
+EOF
+
+bash ../../test_diff.sh <<'EOF'
+struct S {
+    long a;
+    long b;
+};
+typedef struct S S;
+
+void* calloc();
+int printf();
+
+int main() {
+    S s1;
+    S s2;
+    s1.a = 123;
+    s1.b = 456;
+    s2.a = 0;
+    s2.b = 0;
+    printf("%d %d\n", s1.a, s1.b);
+    printf("%d %d\n", s2.a, s2.b);
+    s2 = s1;
+    printf("%d %d\n", s2.a, s2.b);
+}
+EOF