diff options
Diffstat (limited to 'gcc-4.8/gcc/testsuite/gcc.target/i386/sibcall-5.c')
-rw-r--r-- | gcc-4.8/gcc/testsuite/gcc.target/i386/sibcall-5.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/testsuite/gcc.target/i386/sibcall-5.c b/gcc-4.8/gcc/testsuite/gcc.target/i386/sibcall-5.c new file mode 100644 index 000000000..7cf67dbe1 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.target/i386/sibcall-5.c @@ -0,0 +1,44 @@ +/* Check that indirect sibcalls understand regparm. */ +/* { dg-do run } */ +/* { dg-require-effective-target ia32 } */ +/* { dg-options "-O2" } */ + +extern void abort (void); + +int (*f)(int, int) __attribute__((regparm(2))); +int (*g)(int, int, int) __attribute__((regparm(3))); + +int __attribute__((noinline)) +foo(void) +{ + return f(1, 2); +} + +int __attribute__((noinline)) +bar(void) +{ + return g(1, 2, 3); +} + +int __attribute__((regparm(2))) +f1(int x, int y) +{ + return x*3 + y; +} + +int __attribute__((regparm(3))) +g1(int x, int y, int z) +{ + return x*9 + y*3 + z; +} + +int main() +{ + f = f1; + g = g1; + if (foo() != 1*3 + 2) + abort (); + if (bar() != 1*9 + 2*3 + 3) + abort (); + return 0; +} |