[PATCH] [RISC-V] add TC for save-restore cfi directives.

[Fei Gao]

gcc/testsuite/ChangeLog:

        * gcc.target/riscv/save-restore-cfi.c: New test to check save-restore 
cfi directives.
---
 .../gcc.target/riscv/save-restore-cfi.c         | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/riscv/save-restore-cfi.c

diff --git a/gcc/testsuite/gcc.target/riscv/save-restore-cfi.c 
b/gcc/testsuite/gcc.target/riscv/save-restore-cfi.c
new file mode 100644
index 00000000000..a39f3060981
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/save-restore-cfi.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-g -Os -march=rv32imafc -mabi=ilp32f -msave-restore 
-mcmodel=medlow" } */
+/* { dg-skip-if "" { *-*-* } {"-O2" "-O1" "-O0" "-Og" "-O3" "-Oz" "-flto"} } */
+/* { dg-final { scan-assembler-times {\.cfi_def_cfa_offset 16} 2} } */
+/* { dg-final { scan-assembler-times {\.cfi_def_cfa_offset 32} 1} } */
+/* { dg-final { scan-assembler-times {\.cfi_def_cfa_offset 0} 1} } */
+
+char my_getchar();
+float getf();
+
+int foo()
+{
+  int s0 = my_getchar();
+  float f0 = getf();
+  int b = my_getchar();
+  return f0 + s0 + b;
+}
-- 
2.17.1