// 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; }