clang/test/Headers/ms-intrin.cpp

   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 -Wsystem-headers \
   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 -Wsystem-headers \
   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 -Wsystem-headers \
  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 -Wsystem-headers \
  19 // RUN:     -isystem %S/Inputs/include %s
  20
  21 // RUN: %clang_cc1 -triple aarch64--windows \
  22 // RUN:     -fms-compatibility -fms-compatibility-version=17.00 \
  23 // RUN:     -ffreestanding -fsyntax-only -Werror -Wsystem-headers \
  24 // RUN:     -isystem %S/Inputs/include %s
  25
  26 // RUN: %clang_cc1 -triple arm64ec--windows \
  27 // RUN:     -fms-compatibility -fms-compatibility-version=17.00 \
  28 // RUN:     -ffreestanding -fsyntax-only -Werror -Wsystem-headers \
  29 // RUN:     -isystem %S/Inputs/include %s
  30
  31 // REQUIRES: x86-registered-target
  32
  33 // intrin.h needs size_t, but -ffreestanding prevents us from getting it from
  34 // stddef.h.  Work around it with this typedef.
  35 typedef __SIZE_TYPE__ size_t;
  36
  37 #include <intrin.h>
  38
  39 // Use some C++ to make sure we closed the extern "C" brackets.
  40 template <typename T>
  41 void foo(T V) {}
  42
  43 // __asm__ blocks are only checked for inline functions that end up being
  44 // emitted, so call functions with __asm__ blocks to make sure their inline
  45 // assembly parses.
  46 void f() {
  47   __movsb(0, 0, 0);
  48   __movsd(0, 0, 0);
  49   __movsw(0, 0, 0);
  50
  51   __stosd(0, 0, 0);
  52   __stosw(0, 0, 0);
  53
  54 #if defined(_M_X64) && !defined(_M_ARM64EC)
  55   __movsq(0, 0, 0);
  56   __stosq(0, 0, 0);
  57 #endif
  58
  59   int info[4];
  60   __cpuid(info, 0);
  61   __cpuidex(info, 0, 0);
  62 #if (defined(_M_X64) && !defined(_M_ARM64EC)) || defined(_M_IX86)
  63   _xgetbv(0);
  64 #endif
  65   __halt();
  66   __nop();
  67   __readmsr(0);
  68
  69   __readcr3();
  70   __writecr3(0);
  71
  72 #ifdef _M_ARM
  73   __dmb(_ARM_BARRIER_ISHST);
  74 #endif
  75
  76 #ifdef _M_ARM64
  77   __dmb(_ARM64_BARRIER_SY);
  78 #endif
  79 }