[PATCH] D26896: [libcxx] Make constexpr char_traits and char_traits

EricWF requested changes to this revision. EricWF added a comment. This revision now requires changes to proceed. Marking as "Changes requested". I'll take a look at this again once the if-def hell around `find` and `compare` are cleaned up. https://reviews.llvm.org/D26896

[PATCH] D26896: [libcxx] Make constexpr char_traits and char_traits

EricWF added a comment. The tests LGTM. The implementation still needs some tweaks. Thanks for working on this. Comment at: include/__config:925 +#if !__has_builtin(__builtin_memcpy) +#define _LIBCPP_HAS_NO_BUILTIN_MEMCPY AntonBikineev wrote: > EricWF

[PATCH] D26896: [libcxx] Make constexpr char_traits and char_traits

EricWF added a comment. FYI there is a relevent GCC bug here: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71537 https://reviews.llvm.org/D26896 ___ cfe-commits mailing list cfe-commits@lists.llvm.org

[PATCH] D26896: [libcxx] Make constexpr char_traits and char_traits

mclow.lists added inline comments. Comment at: include/__string:213 -static inline int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT -{return __n == 0 ? 0 : memcmp(__s1, __s2, __n);} -static inline size_t length(const char_type*

[PATCH] D26896: [libcxx] Make constexpr char_traits and char_traits

AntonBikineev marked 2 inline comments as done. AntonBikineev added inline comments. Comment at: include/__config:925 +#if !__has_builtin(__builtin_memcpy) +#define _LIBCPP_HAS_NO_BUILTIN_MEMCPY EricWF wrote: > What about GCC? Surely it implements some if not

[PATCH] D26896: [libcxx] Make constexpr char_traits and char_traits

AntonBikineev updated this revision to Diff 79218. AntonBikineev added a comment. Support gcc's __builtin_memcpy, memchr, strlen https://reviews.llvm.org/D26896 Files: include/__config include/__string

[PATCH] D26896: [libcxx] Make constexpr char_traits and char_traits

EricWF added inline comments. Comment at: include/__string:213 -static inline int compare(const char_type* __s1, const char_type* __s2, size_t __n) _NOEXCEPT -{return __n == 0 ? 0 : memcmp(__s1, __s2, __n);} -static inline size_t length(const char_type* __s)

[PATCH] D26896: [libcxx] Make constexpr char_traits and char_traits

EricWF added a comment. Could you please generate this patch with more context? (ie with -U999 or similar). Comment at: include/__config:925 +#if !__has_builtin(__builtin_memcpy) +#define _LIBCPP_HAS_NO_BUILTIN_MEMCPY What about GCC? Surely it implements

[PATCH] D26896: [libcxx] Make constexpr char_traits and char_traits

AntonBikineev updated this revision to Diff 78773. https://reviews.llvm.org/D26896 Files: include/__config include/__string test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char/assign2.pass.cpp

[PATCH] D26896: [libcxx] Make constexpr char_traits and char_traits

mclow.lists added a comment. Tests look good; I'm still staring at the stuff in `<__string>`. Comment at: include/__string:138 template -inline -const _CharT* +_LIBCPP_CONSTEXPR_AFTER_CXX14 inline const _CharT* char_traits<_CharT>::find(const char_type* __s, size_t __n,