[Bug c/13721] New: SEGV on inlune functions

["ysato at users dot sourceforge dot jp" <gcc-bugzilla at gcc dot gnu dot org>]

become SEGV when compile the this.

/* inline_test.c
   build option -O2 -mh -mint32 inline_test.c

   Result
    inline_test.c: In function `ice_func':
    inline_test.c:80: internal compiler error: Segmentation fault
*/

static __inline__ __attribute__((always_inline)) void set_bit(int nr, volatile void * addr) 
{
	volatile unsigned char *b_addr;
	b_addr = (volatile unsigned char *)addr + ((nr >> 3) ^ 3);
	nr &= 7;
	if (__builtin_constant_p (nr))					  
	{								  
		switch(nr)						  
		{							  
		case 0:							  
			__asm__("bset #0,%0" :"+m"(*b_addr) :"m"(*b_addr));
			break;	     					  
		case 1:		     					  
			__asm__("bset #1,%0" :"+m"(*b_addr) :"m"(*b_addr));
			break;	     					  
		case 2:		     					  
			__asm__("bset #2,%0" :"+m"(*b_addr) :"m"(*b_addr));
			break;	     					  
		case 3:		     					  
			__asm__("bset #3,%0" :"+m"(*b_addr) :"m"(*b_addr));
			break;	     					  
		case 4:		     					  
			__asm__("bset #4,%0" :"+m"(*b_addr) :"m"(*b_addr));
			break;	     					  
		case 5:		     					  
			__asm__("bset #5,%0" :"+m"(*b_addr) :"m"(*b_addr));
			break;	     					  
		case 6:		     					  
			__asm__("bset #6,%0" :"+m"(*b_addr) :"m"(*b_addr));
			break;	     					  
		case 7:		     					  
			__asm__("bset #7,%0" :"+m"(*b_addr) :"m"(*b_addr));
			break;						  
		}							  
	}								  
	else								  
	{								  
		__asm__("bset %w1,%0"					  
			:"+m"(*b_addr)					  
			:"g"(nr),"m"(*b_addr));				  
	}								  
}

static __inline__ __attribute__((always_inline)) int test_bit(int nr, const volatile void * addr)
{
	return (*((volatile unsigned char *)addr + ((nr >> 3) ^ 3)) & (1UL << (nr & 7))) != 0;
}

struct a {
        unsigned long a;
};

void dummy(struct a *a, int b);

int ice_func(struct a *a, int b)
{
  int c,d;
  unsigned int e;

  for(c=0;c<b;c++) {
    for(d=b; d <= b; d++) {
      if (!test_bit(d, &e)) {
        dummy(a, d * a->a);
        dummy(a, d * a->a);
        set_bit(d, &e);
      }
    }
    dummy(a, d * a->a);
  }

  return 0;
}

-- 
           Summary: SEGV on inlune functions
           Product: gcc
           Version: 3.3.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ysato at users dot sourceforge dot jp
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: linux i386
  GCC host triplet: linux i386
GCC target triplet: h8300-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13721