gcc/testsuite/gcc.dg/torture/pr98219-2.c

   1 /* { dg-do run { target { { i?86-*-* x86_64-*-* } && { ! ia32 } } } } */
   2 /* { dg-skip-if "PR81210 sp not aligned to 16 bytes" { *-*-darwin* } } */
   3 /* { dg-options "-muintr -mgeneral-regs-only" } */
   4
   5 #include <x86gprintrin.h>
   6
   7 extern void exit (int);
   8 typedef unsigned int uword_t __attribute__ ((mode (__word__)));
   9 typedef int aligned __attribute__((aligned(64)));
  10
  11 #define UIRRV           0x12345670
  12 #define RIP             0x12345671
  13 #define RFLAGS          0x12345672
  14 #define RSP             0x12345673
  15
  16 #define STRING(x)       XSTRING(x)
  17 #define XSTRING(x)      #x
  18 #define ASMNAME(cname)  ASMNAME2 (__USER_LABEL_PREFIX__, cname)
  19 #define ASMNAME2(prefix, cname) XSTRING (prefix) cname
  20
  21 int
  22 check_int (int *i, int align)
  23 {
  24   *i = 20;
  25   if ((((ptrdiff_t) i) & (align - 1)) != 0)
  26     __builtin_abort ();
  27   return *i;
  28 }
  29
  30 void
  31 __attribute__((interrupt, used))
  32 fn (struct __uintr_frame *frame, uword_t uirrv)
  33 {
  34   aligned i;
  35   if (check_int (&i, __alignof__(i)) != i)
  36     __builtin_abort ();
  37
  38   if (UIRRV != uirrv)
  39     __builtin_abort ();
  40   if (RIP != frame->rip)
  41     __builtin_abort ();
  42   if (RFLAGS != frame->rflags)
  43     __builtin_abort ();
  44   if (RSP != frame->rsp)
  45     __builtin_abort ();
  46
  47   exit (0);
  48 }
  49
  50 int
  51 main ()
  52 {
  53   asm ("push    $" STRING (RSP) ";              \
  54         push    $" STRING (RFLAGS) ";           \
  55         push    $" STRING (RIP) ";              \
  56         push    $" STRING (UIRRV) ";            \
  57         jmp     " ASMNAME ("fn"));
  58   return 0;
  59 }