clang/test/Sema/128bitfloat.cpp

   1 // RUN: %clang_cc1 -verify -std=gnu++11 %s
   2 // RUN: %clang_cc1 -verify -std=c++11 %s
   3 // RUN: %clang_cc1 -triple powerpc64-linux -verify -std=c++11 %s
   4 // RUN: %clang_cc1 -triple powerpc64-ibm-aix -target-feature +float128 -verify -std=c++11 %s
   5 // RUN: %clang_cc1 -triple i686-windows-gnu -verify -std=c++11 %s
   6 // RUN: %clang_cc1 -triple x86_64-windows-gnu -verify -std=c++11 %s
   7 // RUN: %clang_cc1 -triple x86_64-windows-msvc -verify -std=c++11 %s
   8
   9 #if defined(__FLOAT128__) || defined(__SIZEOF_FLOAT128__)
  10
  11 #if defined(__powerpc__)
  12 template <typename> struct __is_float128 { static constexpr bool value = false; };
  13 template <> struct __is_float128<__float128> { static constexpr bool value = true; };
  14 static_assert(__is_float128<__ieee128>::value, "__ieee128 aliases to __float128");
  15 #endif
  16
  17 __float128 f;
  18 template<typename> struct __is_floating_point_helper {};
  19 template<> struct __is_floating_point_helper<__float128> {};
  20 int g(int x, __float128 *y) {
  21   return x + *y;
  22 }
  23
  24 // expected-no-error {{__float128 is not supported on this target}}
  25 #else
  26 #if !defined(__STRICT_ANSI__)
  27 __float128 f;  // expected-error {{__float128 is not supported on this target}}
  28 // But this should work:
  29 template<typename> struct __is_floating_point_helper {};
  30 template<> struct __is_floating_point_helper<__float128> {};  // expected-error {{__float128 is not supported on this target}}
  31
  32 // FIXME: This could have a better diag.
  33 int g(int x, __float128 *y) {  // expected-error {{__float128 is not supported on this target}}
  34   return x + *y;
  35 }
  36
  37 #else
  38 __float128 f;  // expected-error {{__float128 is not supported on this target}}
  39 template<typename> struct __is_floating_point_helper {};
  40 template<> struct __is_floating_point_helper<__float128> {};  // expected-error {{__float128 is not supported on this target}}
  41
  42 int g(int x, __float128 *y) {  // expected-error {{__float128 is not supported on this target}}
  43   return x + *y;
  44 }
  45
  46 #endif
  47 #endif
  48
  49 #ifdef __powerpc__
  50 __ibm128 i;
  51 template <> struct __is_floating_point_helper<__ibm128> {};
  52 int w(int x, __ibm128 *y) {
  53   return x + *y;
  54 }
  55 // expected-no-error {{__ibm128 is not supported on this target}}
  56 #else
  57 __ibm128 i;                                                 // expected-error {{__ibm128 is not supported on this target}}
  58 template <> struct __is_floating_point_helper<__ibm128> {}; // expected-error {{__ibm128 is not supported on this target}}
  59 int w(int x, __ibm128 *y) {                                 // expected-error {{__ibm128 is not supported on this target}}
  60   return x + *y;
  61 }
  62 #endif