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// RUN: %clang_cc1 -triple i386-pc-linux-gnu -fsyntax-only -verify %s
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -verify %s
#if !__has_extension(gnu_asm)
#error Extension 'gnu_asm' should be available by default
#endif
#if !__has_extension(gnu_asm_goto_with_outputs)
#error Extension 'gnu_asm_goto_with_outputs' should be available by default
#endif
int a, b, c, d, e, f, g, h, i, j, k, l;
void test(void) {
__asm__ volatile goto (""
:: [a] "r" (a), [b] "r" (b), [c] "r" (c), [d] "r" (d),
[e] "r" (e), [f] "r" (f), [g] "r" (g), [h] "r" (h),
[i] "r" (i), [j] "r" (j), [k] "r" (k), [l] "r" (l)
::lab1,lab2);
lab1: return;
lab2: return;
}
void test2(void) {
__asm__ volatile goto (""
:: [a] "r,m" (a), [b] "r,m" (b), [c] "r,m" (c), [d] "r,m" (d),
[e] "r,m" (e), [f] "r,m" (f), [g] "r,m" (g), [h] "r,m" (h),
[i] "r,m" (i), [j] "r,m" (j), [k] "r,m" (k), [l] "r,m" (l)
:: lab);
lab: return;
}
int test3(int x) {
__asm__ volatile goto ("decl %0; jnz %l[a]"
: "=r" (x) : "m" (x) : "memory" : a);
a:
return -x;
}
int test4(int x) {
int y;
if (x > 42)
__asm__ volatile goto ("decl %0; jnz %l[a]"
: "=r" (x), "=r" (y) : "m" (x) : "memory" : a);
else
__asm__ volatile goto ("decl %0; jnz %l[b]"
: "=r" (x), "=r" (y) : "m" (x) : "memory" : b);
x = y + 42;
a:
return -x;
b:
return +x;
}
int test5(void) {
int x,cond,*e;
// expected-error@+1 {{expected ')'}}
asm ("mov %[e], %[e]" : : [e] "rm" (*e)::a)
// expected-error@+1 {{expected identifier}}
asm goto ("decl %0;" :: "m"(x) : "memory" : );
// expected-error@+1 {{expected ':'}}
asm goto ("decl %0;" :: "m"(x) : "memory" );
// expected-error@+1 {{use of undeclared label 'x'}}
asm goto ("decl %0;" :: "m"(x) : "memory" :x);
// expected-error@+1 {{use of undeclared label 'b'}}
asm goto ("decl %0;" :: "m"(x) : "memory" :b);
// expected-error@+1 {{invalid operand number in inline asm string}}
asm goto ("testl %0, %0; jne %l3;" :: "r"(cond)::label_true, loop);
// expected-error@+1 {{unknown symbolic operand name in inline assembly string}}
asm goto ("decl %0; jnz %l[b]" :: "m"(x) : "memory" : a);
a:
label_true:
loop:
return 0;
}
int test6(int y) {
int x,cond,*e;
// expected-error@+1 {{expected ')'}}
asm ("mov %[e], %[e]" : "=r" (y) : [e] "rm" (*e), "r" (y) :: a)
// expected-error@+1 {{expected identifier}}
asm goto ("decl %0;" : "=r" (y) : "m" (x), "r" (y) : "memory" :);
// expected-error@+1 {{expected ':'}}
asm goto ("decl %0;" : "=r" (y) : "m" (x), "r" (y) : "memory");
// expected-error@+1 {{use of undeclared label 'x'}}
asm goto ("decl %0;" : "=r" (y) : "m" (x), "r" (y) : "memory" : x);
// expected-error@+1 {{use of undeclared label 'b'}}
asm goto ("decl %0;" : "=r" (y) : "m" (x), "r" (y) : "memory" : b);
// expected-error@+1 {{invalid operand number in inline asm string}}
asm goto ("testl %0, %0; jne %l5;" : "=r" (y) : "r" (cond), "r" (y) :: label_true, loop);
// expected-error@+1 {{unknown symbolic operand name in inline assembly string}}
asm goto ("decl %0; jnz %l[b]" : "=r" (y) : "m" (x), "r" (y) : "memory" : a);
label_true:
loop:
a:
return 0;
}
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