1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/arm/thumb1-far-jump-2.c b/gcc/testsuite/gcc.target/arm/thumb1-far-jump-2.c
new file mode 100644
index 00000000000..c6878f8ef8b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/thumb1-far-jump-2.c
@@ -0,0 +1,57 @@
+/* Check for thumb1 far jump. This is the extreme case that far jump
+ * will be used with minimum number of instructions. By passing this case
+ * it means the heuristic of saving lr for far jump meets the most extreme
+ * requirement.  */
+/* { dg-options "-Os" } */
+/* { dg-skip-if "" { ! { arm_thumb1 } } } */
+
+volatile register r4 asm("r4");
+void f3(int i)
+{
+#define GO(n) \
+  extern volatile int g_##n; \
+  r4=(int)&g_##n;
+
+#define GO8(n) \
+  GO(n##_0) \
+  GO(n##_1) \
+  GO(n##_2) \
+  GO(n##_3) \
+  GO(n##_4) \
+  GO(n##_5) \
+  GO(n##_6) \
+  GO(n##_7)
+
+#define GO64(n) \
+  GO8(n##_0) \
+  GO8(n##_1) \
+  GO8(n##_2) \
+  GO8(n##_3) \
+  GO8(n##_4) \
+  GO8(n##_5) \
+  GO8(n##_6) \
+  GO8(n##_7) \
+
+#define GO498(n) \
+  GO64(n##_0) \
+  GO64(n##_1) \
+  GO64(n##_2) \
+  GO64(n##_3) \
+  GO64(n##_4) \
+  GO64(n##_5) \
+  GO64(n##_6) \
+  GO8(n##_0) \
+  GO8(n##_1) \
+  GO8(n##_2) \
+  GO8(n##_3) \
+  GO8(n##_4) \
+  GO8(n##_5) \
+  GO(n##_0) \
+  GO(n##_1) \
+
+  if (i) {
+    GO498(0);
+  }
+}
+
+/* { dg-final { scan-assembler "push.*lr" } } */