PR target/12329

        * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
        attribute is used for nested functions.

testsuite/ChangeLog:

        PR target/12329
        * gcc.target/i386/pr12329.c: New test.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@133954 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 15 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.target/i386/pr12329.c b/gcc/testsuite/gcc.target/i386/pr12329.c
new file mode 100644
index 00000000000..aeefeb0ce80
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr12329.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target ilp32 } */
+/* { dg-options "-O2" } */
+
+extern void abort (void);
+
+int test_nested (int i)
+{
+  int __attribute__ ((__noinline__, __regparm__(3))) foo(int j, int k, int l)
+  { /* { dg-error "nested functions are limited to 2 register parameters" } */
+    return i + j + k + l;
+  }
+
+  return foo (i, i+1, i+2);
+}