diff options
Diffstat (limited to 'deps/v8/src/base/division-by-constant.h')
| -rw-r--r-- | deps/v8/src/base/division-by-constant.h | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/deps/v8/src/base/division-by-constant.h b/deps/v8/src/base/division-by-constant.h index 5d063f8bd5..744283981b 100644 --- a/deps/v8/src/base/division-by-constant.h +++ b/deps/v8/src/base/division-by-constant.h @@ -8,6 +8,7 @@ #include <stdint.h> #include "src/base/base-export.h" +#include "src/base/export-template.h" namespace v8 { namespace base { @@ -18,7 +19,7 @@ namespace base { // Delight", chapter 10. The template parameter must be one of the unsigned // integral types. template <class T> -struct V8_BASE_EXPORT MagicNumbersForDivision { +struct EXPORT_TEMPLATE_DECLARE(V8_BASE_EXPORT) MagicNumbersForDivision { MagicNumbersForDivision(T m, unsigned s, bool a) : multiplier(m), shift(s), add(a) {} bool operator==(const MagicNumbersForDivision& rhs) const { @@ -34,25 +35,35 @@ struct V8_BASE_EXPORT MagicNumbersForDivision { // Calculate the multiplier and shift for signed division via multiplication. // The divisor must not be -1, 0 or 1 when interpreted as a signed value. template <class T> -V8_BASE_EXPORT MagicNumbersForDivision<T> SignedDivisionByConstant(T d); +EXPORT_TEMPLATE_DECLARE(V8_BASE_EXPORT) +MagicNumbersForDivision<T> SignedDivisionByConstant(T d); // Calculate the multiplier and shift for unsigned division via multiplication, // see Warren's "Hacker's Delight", chapter 10. The divisor must not be 0 and // leading_zeros can be used to speed up the calculation if the given number of // upper bits of the dividend value are known to be zero. template <class T> -V8_BASE_EXPORT MagicNumbersForDivision<T> UnsignedDivisionByConstant( +EXPORT_TEMPLATE_DECLARE(V8_BASE_EXPORT) +MagicNumbersForDivision<T> UnsignedDivisionByConstant( T d, unsigned leading_zeros = 0); -extern template V8_BASE_EXPORT MagicNumbersForDivision<uint32_t> -SignedDivisionByConstant(uint32_t d); -extern template V8_BASE_EXPORT MagicNumbersForDivision<uint64_t> -SignedDivisionByConstant(uint64_t d); +// Explicit instantiation declarations. +extern template struct EXPORT_TEMPLATE_DECLARE(V8_BASE_EXPORT) + MagicNumbersForDivision<uint32_t>; +extern template struct EXPORT_TEMPLATE_DECLARE(V8_BASE_EXPORT) + MagicNumbersForDivision<uint64_t>; -extern template V8_BASE_EXPORT MagicNumbersForDivision<uint32_t> -UnsignedDivisionByConstant(uint32_t d, unsigned leading_zeros); -extern template V8_BASE_EXPORT MagicNumbersForDivision<uint64_t> -UnsignedDivisionByConstant(uint64_t d, unsigned leading_zeros); +extern template EXPORT_TEMPLATE_DECLARE(V8_BASE_EXPORT) + MagicNumbersForDivision<uint32_t> SignedDivisionByConstant(uint32_t d); +extern template EXPORT_TEMPLATE_DECLARE(V8_BASE_EXPORT) + MagicNumbersForDivision<uint64_t> SignedDivisionByConstant(uint64_t d); + +extern template EXPORT_TEMPLATE_DECLARE(V8_BASE_EXPORT) + MagicNumbersForDivision<uint32_t> UnsignedDivisionByConstant( + uint32_t d, unsigned leading_zeros); +extern template EXPORT_TEMPLATE_DECLARE(V8_BASE_EXPORT) + MagicNumbersForDivision<uint64_t> UnsignedDivisionByConstant( + uint64_t d, unsigned leading_zeros); } // namespace base } // namespace v8 |