1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +sse2 -fsyntax-only -verify %s
2 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -target-feature +sse2 -fsyntax-only -verify %s -x c++
3
f()4 void f() {
5 (void)_mm_getcsr(); // expected-warning{{implicitly declaring library function '_mm_getcsr'}} \
6 // expected-note{{include the header <xmmintrin.h> or explicitly provide a declaration for '_mm_getcsr'}}
7 _mm_setcsr(1); // expected-warning{{implicitly declaring library function '_mm_setcsr'}} \
8 // expected-note{{include the header <xmmintrin.h> or explicitly provide a declaration for '_mm_setcsr'}}
9 _mm_sfence(); // expected-warning{{implicitly declaring library function '_mm_sfence'}} \
10 // expected-note{{include the header <xmmintrin.h> or explicitly provide a declaration for '_mm_sfence'}}
11
12 _mm_clflush((void*)0); // expected-warning{{implicitly declaring library function '_mm_clflush'}} \
13 // expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_clflush'}}
14 _mm_lfence(); // expected-warning{{implicitly declaring library function '_mm_lfence'}} \
15 // expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_lfence'}}
16 _mm_mfence(); // expected-warning{{implicitly declaring library function '_mm_mfence'}} \
17 // expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_mfence'}}
18 _mm_pause(); // expected-warning{{implicitly declaring library function '_mm_pause'}} \
19 // expected-note{{include the header <emmintrin.h> or explicitly provide a declaration for '_mm_pause'}}
20 }
21
22 unsigned int _mm_getcsr();
23 void _mm_setcsr(unsigned int);
24 void _mm_sfence();
25
26 void _mm_clflush(void const *);
27 void _mm_lfence();
28 void _mm_mfence();
29 void _mm_pause();
30
g()31 void g() {
32 (void)_mm_getcsr();
33 _mm_setcsr(1);
34 _mm_sfence();
35
36 _mm_clflush((void*)0);
37 _mm_lfence();
38 _mm_mfence();
39 _mm_pause();
40 }
41