Merged with trunk at revision 135858.

git-svn-id: https://gcc.gnu.org/svn/gcc/branches/stack@135866 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 25 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/arm/naked-1.c b/gcc/testsuite/gcc.target/arm/naked-1.c
new file mode 100644
index 00000000000..8f9ff711a5e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/naked-1.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-O0" } */
+/* Check that function arguments aren't assigned and copied to stack slots
+   in naked functions.  This ususally happens at -O0 (presumably for
+   better debugging), but is highly undesirable if we haven't created
+   a stack frame.  */
+void __attribute__((naked))
+foo(int n)
+{
+  __asm__ volatile ("frob r0\n");
+}
+/* { dg-final { scan-assembler "\tfrob r0" } } */
+/* { dg-final { scan-assembler-not "\tstr" } } */
diff --git a/gcc/testsuite/gcc.target/arm/naked-2.c b/gcc/testsuite/gcc.target/arm/naked-2.c
new file mode 100644
index 00000000000..92e7db4447d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/naked-2.c
@@ -0,0 +1,12 @@
+/* Verify that __attribute__((naked)) produces a naked function 
+   that does not use bx to return. Naked functions could be used
+   to implement interrupt routines and must not return using bx.  */
+/* { dg-do compile } */
+/* { dg-options "-O0" } */
+/* Use more arguments than we have argument registers.  */
+int __attribute__((naked)) foo(int a, int b, int c, int d, int e, int f)
+{
+  __asm__ volatile ("@ naked");
+}
+/* { dg-final { scan-assembler "\t@ naked" } } */
+/* { dg-final { scan-assembler-not "\tbx\tlr" } } */