41 lines
953 B
C
41 lines
953 B
C
/* Check that constant constraints like "i", "n" and "s" can be used in
|
|
cases where the operand is an initializer constant. */
|
|
/* { dg-require-effective-target nonpic } */
|
|
|
|
int x[2] = { 1, 2 };
|
|
|
|
#ifdef __OPTIMIZE__
|
|
static inline void __attribute__((__always_inline__))
|
|
insn1 (int x)
|
|
{
|
|
asm volatile ("" :: "n" (x), "i" (x));
|
|
}
|
|
|
|
static inline void __attribute__((__always_inline__))
|
|
insn2 (const void *x)
|
|
{
|
|
asm volatile ("" :: "s" (x), "i" (x));
|
|
}
|
|
#endif
|
|
|
|
void
|
|
foo (void)
|
|
{
|
|
#ifdef __OPTIMIZE__
|
|
insn1 (2);
|
|
insn1 (2);
|
|
insn1 (400);
|
|
insn1 (__LINE__);
|
|
insn2 (x);
|
|
insn2 (x);
|
|
insn2 (&x[1]);
|
|
insn2 ("string");
|
|
#endif
|
|
asm volatile ("" :: "s" (x), "i" (x));
|
|
/* At the time of writing, &x[1] is decomposed before reaching expand
|
|
when compiling with -O0. */
|
|
asm volatile ("" :: "s" ("string"), "i" ("string"));
|
|
asm volatile ("" :: "s" (__FILE__), "i" (__FILE__));
|
|
asm volatile ("" :: "s" (__FUNCTION__), "i" (__FUNCTION__));
|
|
}
|