ms-intrin.cpp
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// RUN: %clang_cc1 -triple i386-pc-win32 -target-cpu pentium4 \
// RUN: -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -ffreestanding -fsyntax-only -Werror \
// RUN: -isystem %S/Inputs/include %s
// RUN: %clang_cc1 -triple i386-pc-win32 -target-cpu broadwell \
// RUN: -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -ffreestanding -emit-obj -o /dev/null -Werror \
// RUN: -isystem %S/Inputs/include %s
// RUN: %clang_cc1 -triple x86_64-pc-win32 \
// RUN: -fms-extensions -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -ffreestanding -emit-obj -o /dev/null -Werror \
// RUN: -isystem %S/Inputs/include %s
// RUN: %clang_cc1 -triple thumbv7--windows \
// RUN: -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -ffreestanding -fsyntax-only -Werror \
// RUN: -isystem %S/Inputs/include %s
// REQUIRES: x86-registered-target
// intrin.h needs size_t, but -ffreestanding prevents us from getting it from
// stddef.h. Work around it with this typedef.
typedef __SIZE_TYPE__ size_t;
#include <intrin.h>
// Use some C++ to make sure we closed the extern "C" brackets.
template <typename T>
void foo(T V) {}
// __asm__ blocks are only checked for inline functions that end up being
// emitted, so call functions with __asm__ blocks to make sure their inline
// assembly parses.
void f() {
__movsb(0, 0, 0);
__movsd(0, 0, 0);
__movsw(0, 0, 0);
__stosd(0, 0, 0);
__stosw(0, 0, 0);
#ifdef _M_X64
__movsq(0, 0, 0);
__stosq(0, 0, 0);
#endif
int info[4];
__cpuid(info, 0);
__cpuidex(info, 0, 0);
#if defined(_M_X64) || defined(_M_IX86)
_xgetbv(0);
#endif
__halt();
__nop();
__readmsr(0);
__readcr3();
__writecr3(0);
#ifdef _M_ARM
__dmb(_ARM_BARRIER_ISHST);
#endif
#ifdef _M_ARM64
__dmb(_ARM64_BARRIER_SY);
#endif
}