Viewing file:  pr98219-2.c (1.3 KB) -rw-r--r--
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/* { dg-do run { target { { i?86-*-* x86_64-*-* } && { ! ia32 } } } } */
/* { dg-skip-if "PR81210 sp not aligned to 16 bytes" { *-*-darwin* } } */
/* { dg-options "-muintr -mgeneral-regs-only" } */
#include <x86gprintrin.h>
extern void exit (int);
typedef unsigned int uword_t __attribute__ ((mode (__word__)));
typedef int aligned __attribute__((aligned(64)));
#define UIRRV 0x12345670
#define RIP 0x12345671
#define RFLAGS 0x12345672
#define RSP 0x12345673
#define STRING(x) XSTRING(x)
#define XSTRING(x) #x
#define ASMNAME(cname) ASMNAME2 (__USER_LABEL_PREFIX__, cname)
#define ASMNAME2(prefix, cname) XSTRING (prefix) cname
int
check_int (int *i, int align)
{
*i = 20;
if ((((ptrdiff_t) i) & (align - 1)) != 0)
__builtin_abort ();
return *i;
}
void
__attribute__((interrupt, used))
fn (struct __uintr_frame *frame, uword_t uirrv)
{
aligned i;
if (check_int (&i, __alignof__(i)) != i)
__builtin_abort ();
if (UIRRV != uirrv)
__builtin_abort ();
if (RIP != frame->rip)
__builtin_abort ();
if (RFLAGS != frame->rflags)
__builtin_abort ();
if (RSP != frame->rsp)
__builtin_abort ();
exit (0);
}
int
main ()
{
asm ("push $" STRING (RSP) "; \
push $" STRING (RFLAGS) "; \
push $" STRING (RIP) "; \
push $" STRING (UIRRV) "; \
jmp " ASMNAME ("fn"));
return 0;
}
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