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1 // RUN: %clang_cc1 -triple i386-pc-win32 -target-cpu pentium4 \
2 // RUN:     -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
3 // RUN:     -ffreestanding -fsyntax-only -Werror \
4 // RUN:     -isystem %S/Inputs/include %s
5 
6 // RUN: %clang_cc1 -triple i386-pc-win32 -target-cpu broadwell \
7 // RUN:     -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
8 // RUN:     -ffreestanding -emit-obj -o /dev/null -Werror \
9 // RUN:     -isystem %S/Inputs/include %s
10 
11 // RUN: %clang_cc1 -triple x86_64-pc-win32  \
12 // RUN:     -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
13 // RUN:     -ffreestanding -emit-obj -o /dev/null -Werror \
14 // RUN:     -isystem %S/Inputs/include %s
15 
16 // RUN: %clang_cc1 -triple thumbv7--windows \
17 // RUN:     -fms-compatibility -fms-compatibility-version=17.00 \
18 // RUN:     -ffreestanding -fsyntax-only -Werror \
19 // RUN:     -isystem %S/Inputs/include %s
20 
21 // REQUIRES: x86-registered-target
22 
23 // intrin.h needs size_t, but -ffreestanding prevents us from getting it from
24 // stddef.h.  Work around it with this typedef.
25 typedef __SIZE_TYPE__ size_t;
26 
27 #include <intrin.h>
28 
29 // Use some C++ to make sure we closed the extern "C" brackets.
30 template <typename T>
foo(T V)31 void foo(T V) {}
32 
33 // __asm__ blocks are only checked for inline functions that end up being
34 // emitted, so call functions with __asm__ blocks to make sure their inline
35 // assembly parses.
f()36 void f() {
37   __movsb(0, 0, 0);
38   __movsd(0, 0, 0);
39   __movsw(0, 0, 0);
40 
41   __stosb(0, 0, 0);
42   __stosd(0, 0, 0);
43   __stosw(0, 0, 0);
44 
45 #ifdef _M_X64
46   __movsq(0, 0, 0);
47   __stosq(0, 0, 0);
48 #endif
49 
50   int info[4];
51   __cpuid(info, 0);
52   __cpuidex(info, 0, 0);
53   _xgetbv(0);
54   __halt();
55   __readmsr(0);
56 
57   // FIXME: Call these in 64-bit too once the intrinsics have been fixed to
58   // work there, PR19301
59 #ifndef _M_X64
60   __readcr3();
61   __writecr3(0);
62 #endif
63 }
64