1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/sh/pragma-isr-nosave_low_regs.c b/gcc-4.9/gcc/testsuite/gcc.target/sh/pragma-isr-nosave_low_regs.c
new file mode 100644
index 0000000..e1d880d
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/sh/pragma-isr-nosave_low_regs.c
@@ -0,0 +1,23 @@
+/* A call will clobber all call-saved registers.
+   If #pragma nosave_low_regs is specified, do not save/restore r0..r7.
+   (On SH3* and SH4* r0..r7 are banked)
+   One of these registers will also do fine to hold the function address.
+   Call-saved registers r8..r13 also don't need to be restored.  */
+/* { dg-do compile { target { { "sh*-*-*" } && nonpic } } }  */
+/* { dg-skip-if "" { "sh*-*-*" } { "-m1*" "-m2*" "-m5*" } { "" } }  */
+/* { dg-options "-O" }  */
+/* { dg-final { scan-assembler-times "rte" 1 } }  */
+/* { dg-final { scan-assembler-not "\[^f\]r\[0-9\]\[ \t\]*," } }  */
+/* { dg-final { scan-assembler-not "\[^f\]r\[89\]" } }  */
+/* { dg-final { scan-assembler-not "\[^f\]r1\[,0-3\]" } }  */
+/* { dg-final { scan-assembler-times "macl" 2 } }  */
+
+extern void foo (void);
+
+#pragma interrupt
+#pragma nosave_low_regs
+void
+isr (void)
+{
+  foo ();
+}