1 files changed, 37 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/sh/pr50749-qihisi-predec-3.c b/gcc-4.9/gcc/testsuite/gcc.target/sh/pr50749-qihisi-predec-3.c
new file mode 100644
index 0000000..5417497
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/sh/pr50749-qihisi-predec-3.c
@@ -0,0 +1,37 @@
+/* PR target/50749: Verify that pre-decrement addressing is generated
+   inside a loop.  */
+/* { dg-do compile }  */
+/* { dg-options "-O2" } */
+/* { dg-final { scan-assembler-times "mov.b\tr\[0-9]\+,@-r\[0-9]\+" 1 } } */
+/* { dg-final { scan-assembler-times "mov.w\tr\[0-9]\+,@-r\[0-9]\+" 1 } } */
+/* { dg-final { scan-assembler-times "mov.l\tr\[0-9]\+,@-r\[0-9]\+" 1 } } */
+
+char*
+test_func_00 (char* p, int c, int x)
+{
+  do
+  {
+    *--p = (char)x;
+  } while (--c);
+  return p;
+}
+
+short*
+test_func_01 (short* p, int c, int x)
+{
+  do
+  {
+    *--p = (short)x;
+  } while (--c);
+  return p;
+}
+
+int*
+test_func_02 (int* p, int c, int x)
+{
+  do
+  {
+    *--p = x;
+  } while (--c);
+  return p;
+}