Viewing file:  20070507-1.c (1.63 KB) -rw-r--r--
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/* This failed on s390x due to bug in loop.c.
loop.c failed to remove a REG_EQUAL note when
hoisting an insn from a loop body. */
/* { dg-options "-O3 -fPIC" } */
/* { dg-do run { target fpic } } */
typedef __SIZE_TYPE__ size_t;
int memcmp(const void *s1, const void *s2, size_t n);
typedef struct
{
char name[30];
int a;
} LOCAL;
int global = 0;
int sy = 1;
int subroutine_offset;
LOCAL local = { "local", 0 };
LOCAL keywords = { "keywords", 1 };
int local_table = 0;
int keywords_table = 0;
void __attribute__((noinline)) bar (char *p_buffer)
{
p_buffer[255] = 1;
}
int __attribute__((noinline)) foo (char *p_str1)
{
global = 1;
return 1;
}
int __attribute__((noinline)) loop_next (int *p_table, char *p_table_head)
{
static int loop_next = 0;
if (loop_next == 1)
return 1;
loop_next = 1;
return 0;
}
int
main ()
{
char buffer[256];
int ende = 0;
int index;
int local_base = 2;
keywords.a = 1;
for (sy = 0;; sy++)
{
for (index = 1;;)
{
bar (buffer);
if (buffer[sy] != 0)
{
ende = 1;
break;
};
if (foo (buffer))
{
keywords.a += index - 1;
break;
}
index++;
}
if (ende)
break;
}
subroutine_offset = 0;
for (;;)
{
if (loop_next (&keywords_table, (char*)&keywords))
break;
if ((!memcmp (keywords.name, "+++", 3)))
local_base = 100;
else
local_base = 0;
if ((!memcmp (keywords.name, "+++", 3)))
subroutine_offset += local_table;
for (;;)
{
if (loop_next (&local_table, (char*)&local))
break;;
if ((local.a == 0))
continue;;
foo (local.name);
}
}
return 0;
}
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