diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/torture/stackalign/unwind-3.C')
-rw-r--r-- | gcc/testsuite/g++.dg/torture/stackalign/unwind-3.C | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/stackalign/unwind-3.C b/gcc/testsuite/g++.dg/torture/stackalign/unwind-3.C new file mode 100644 index 000000000..29dee2d5a --- /dev/null +++ b/gcc/testsuite/g++.dg/torture/stackalign/unwind-3.C @@ -0,0 +1,35 @@ +/* { dg-do run { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */ + +#include "test-unwind.h" + +#if !defined __PIC__ && !defined __USING_SJLJ_EXCEPTIONS__ +/* Test situation 3: Stack realign really happen with DRAP reg DI */ +void __attribute__ ((noinline)) __attribute__ ((regparm(3))) +bar (int arg1, int arg2, int arg3) +{ + int __attribute__ ((aligned(64))) a=1; + char * s = (char *) __builtin_alloca (arg3 + 1); + + copy (s, arg3); + if (__builtin_strncmp (s, "good", arg3) != 0) + { +#ifdef DEBUG + s[arg3] = '\0'; + printf ("Failed: %s != good\n", s); +#endif + abort (); + } + + if (check_int (&a, __alignof__(a)) != a) + abort (); + + ALTER_REGS(); + throw arg1+arg2+arg3+a; +} + +void +foo() +{ + bar (1,2,3); +} +#endif |