62 lines
2.9 KiB
C
62 lines
2.9 KiB
C
|
// RUN: %clang_cc1 -triple armv7 -fsyntax-only -verify %s
|
||
|
|
|
||
|
|
struct Simple {
|
||
|
|
char a, b;
|
||
|
|
};
|
||
|
|
|
||
|
|
int test_ldrex(char *addr) {
|
||
|
|
int sum = 0;
|
||
|
|
sum += __builtin_arm_ldrex(addr);
|
||
|
|
sum += __builtin_arm_ldrex((short *)addr);
|
||
|
|
sum += __builtin_arm_ldrex((int *)addr);
|
||
|
|
sum += __builtin_arm_ldrex((long long *)addr);
|
||
|
|
sum += __builtin_arm_ldrex((float *)addr);
|
||
|
|
sum += __builtin_arm_ldrex((double *)addr);
|
||
|
|
sum += *__builtin_arm_ldrex((int **)addr);
|
||
|
|
sum += __builtin_arm_ldrex((struct Simple **)addr)->a;
|
||
|
|
sum += __builtin_arm_ldrex((volatile char *)addr);
|
||
|
|
sum += __builtin_arm_ldrex((const volatile char *)addr);
|
||
|
|
|
||
|
|
// In principle this might be valid, but stick to ints and floats for scalar
|
||
|
|
// types at the moment.
|
||
|
|
sum += __builtin_arm_ldrex((struct Simple *)addr).a; // expected-error {{address argument to atomic builtin must be a pointer to}}
|
||
|
|
|
||
|
|
sum += __builtin_arm_ldrex((__int128 *)addr); // expected-error {{__int128 is not supported on this target}} expected-error {{address argument to load or store exclusive builtin must be a pointer to 1,2,4 or 8 byte type}}
|
||
|
|
|
||
|
|
__builtin_arm_ldrex(); // expected-error {{too few arguments to function call}}
|
||
|
|
__builtin_arm_ldrex(1, 2); // expected-error {{too many arguments to function call}}
|
||
|
|
return sum;
|
||
|
|
}
|
||
|
|
|
||
|
|
int test_strex(char *addr) {
|
||
|
|
int res = 0;
|
||
|
|
struct Simple var = {0};
|
||
|
|
res |= __builtin_arm_strex(4, addr);
|
||
|
|
res |= __builtin_arm_strex(42, (short *)addr);
|
||
|
|
res |= __builtin_arm_strex(42, (int *)addr);
|
||
|
|
res |= __builtin_arm_strex(42, (long long *)addr);
|
||
|
|
res |= __builtin_arm_strex(2.71828f, (float *)addr);
|
||
|
|
res |= __builtin_arm_strex(3.14159, (double *)addr);
|
||
|
|
res |= __builtin_arm_strex(&var, (struct Simple **)addr);
|
||
|
|
|
||
|
|
res |= __builtin_arm_strex(42, (volatile char *)addr);
|
||
|
|
res |= __builtin_arm_strex(42, (char *const)addr);
|
||
|
|
res |= __builtin_arm_strex(42, (const char *)addr); // expected-warning {{passing 'const char *' to parameter of type 'volatile char *' discards qualifiers}}
|
||
|
|
|
||
|
|
|
||
|
|
res |= __builtin_arm_strex(var, (struct Simple *)addr); // expected-error {{address argument to atomic builtin must be a pointer to}}
|
||
|
|
res |= __builtin_arm_strex(var, (struct Simple **)addr); // expected-error {{passing 'struct Simple' to parameter of incompatible type 'struct Simple *'}}
|
||
|
|
res |= __builtin_arm_strex(&var, (struct Simple **)addr).a; // expected-error {{is not a structure or union}}
|
||
|
|
|
||
|
|
res |= __builtin_arm_strex(1, (__int128 *)addr); // expected-error {{__int128 is not supported on this target}} expected-error {{address argument to load or store exclusive builtin must be a pointer to 1,2,4 or 8 byte type}}
|
||
|
|
|
||
|
|
__builtin_arm_strex(1); // expected-error {{too few arguments to function call}}
|
||
|
|
__builtin_arm_strex(1, 2, 3); // expected-error {{too many arguments to function call}}
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
void test_clrex() {
|
||
|
|
__builtin_arm_clrex();
|
||
|
|
__builtin_arm_clrex(1); // expected-error {{too many arguments to function call}}
|
||
|
|
}
|