Merge pull request #1129 from cppalliance/1126

Add ARM64 windows runner and fix missing intrinsic on said platform

Author: mborland

.github/workflows/ci.yml

@@ -529,6 +529,10 @@ jobs:
             cxxstd: "03,11,14,17" # 20 has ICE
             addrmd: "64"
             os: windows-latest
+          - toolset: msvc-14.3
+            cxxstd: "14,17,20,latest"
+            addrmd: "64"
+            os: windows-11-arm
 
     runs-on: ${{matrix.os}}
 

include/boost/decimal/decimal_fast128_t.hpp

@@ -39,6 +39,11 @@ BOOST_DECIMAL_INLINE_CONSTEXPR_VARIABLE auto d128_fast_snan_high_bits = UINT64_M
 
 } // namespace detail
 
+#ifdef _MSC_VER
+#  pragma warning(push)
+#  pragma warning(disable : 4324) // Structure was padded due to alignment specifier
+#endif
+
 BOOST_DECIMAL_EXPORT class decimal_fast128_t final
 {
 public:
@@ -396,6 +401,10 @@ BOOST_DECIMAL_EXPORT class decimal_fast128_t final
     friend constexpr auto quantized128f(const decimal_fast128_t& lhs, const decimal_fast128_t& rhs) noexcept -> decimal_fast128_t;
 };
 
+#ifdef _MSC_VER
+#  pragma warning(pop)
+#endif
+
 #ifdef BOOST_DECIMAL_HAS_CONCEPTS
 template <BOOST_DECIMAL_UNSIGNED_INTEGRAL T1, BOOST_DECIMAL_INTEGRAL T2>
 #else

include/boost/decimal/detail/components.hpp

@@ -18,6 +18,11 @@ namespace detail {
 
 namespace impl {
 
+#ifdef _MSC_VER
+#  pragma warning(push)
+#  pragma warning(disable : 4324) // Structure was padded due to alignment specifier
+#endif
+
 template <typename SigType, typename BiasedExpType>
 struct decimal_components
 {
@@ -69,6 +74,10 @@ using decimal128_t_components = impl::decimal_components<boost::int128::uint128_
 
 using decimal_fast128_t_components = impl::decimal_components<boost::int128::uint128_t, std::int32_t>;
 
+#ifdef _MSC_VER
+#  pragma warning(pop)
+#endif
+
 } // namespace detail
 } // namespace decimal
 } // namespace boost

include/boost/decimal/detail/config.hpp

@@ -90,7 +90,7 @@
 #  ifndef BOOST_DECIMAL_BUILD_MODULE
 #    include <intrin.h>
 #  endif
-#  if defined(_WIN64)
+#  if defined(_M_AMD64)
 #    define BOOST_DECIMAL_HAS_MSVC_64BIT_INTRINSICS
 #  else
 #    define BOOST_DECIMAL_HAS_MSVC_32BIT_INTRINSICS

include/boost/decimal/detail/ryu/ryu_generic_128.hpp

@@ -31,13 +31,22 @@ namespace ryu {
 BOOST_DECIMAL_INLINE_CONSTEXPR_VARIABLE int32_t fd128_exceptional_exponent = 0x7FFFFFFF;
 BOOST_DECIMAL_INLINE_CONSTEXPR_VARIABLE unsigned_128_type one = 1;
 
+#ifdef _MSC_VER
+#  pragma warning(push)
+#  pragma warning(disable : 4324) // Structure was padded due to alignment specifier
+#endif
+
 struct floating_decimal_128
 {
     unsigned_128_type mantissa;
     int32_t exponent;
     bool sign;
 };
 
+#ifdef _MSC_VER
+#  pragma warning(pop)
+#endif
+
 #ifdef BOOST_DECIMAL_DEBUG_RYU
 static char* s(unsigned_128_type v) {
   int len = num_digits(v);