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| author |  Benjamin Barenblat <bbaren@google.com> | 2021-04-08 10:23:55 -0400 |
|---|---|---|
| committer | Benjamin Barenblat <bbaren@google.com> | 2021-04-08 10:23:55 -0400 |
| commit | feac56827dd1f0d159ea0bcf2ce37ef1990ac743 (patch) | |
| tree | bc8ca767be02a5b22118108f9712b72ec64064c3 /absl/flags/config.h | |
| parent | 2b91b17d526b464840a3f45504c594cdb50152c5 (diff) | |
| parent | 997aaf3a28308eba1b9156aa35ab7bca9688e9f6 (diff) | |
Merge new upstream LTS 20210324.0
Diffstat (limited to 'absl/flags/config.h')
| -rw-r--r-- | absl/flags/config.h | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/absl/flags/config.h b/absl/flags/config.h index 813a9257..5ab1f311 100644 --- a/absl/flags/config.h +++ b/absl/flags/config.h @@ -45,17 +45,6 @@ #define ABSL_FLAGS_STRIP_HELP ABSL_FLAGS_STRIP_NAMES #endif -// ABSL_FLAGS_INTERNAL_ATOMIC_DOUBLE_WORD macro is used for using atomics with -// double words, e.g. absl::Duration. -// For reasons in bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80878, modern -// versions of GCC do not support cmpxchg16b instruction in standard atomics. -#ifdef ABSL_FLAGS_INTERNAL_ATOMIC_DOUBLE_WORD -#error "ABSL_FLAGS_INTERNAL_ATOMIC_DOUBLE_WORD should not be defined." -#elif defined(__clang__) && defined(__x86_64__) && \ - defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16) -#define ABSL_FLAGS_INTERNAL_ATOMIC_DOUBLE_WORD 1 -#endif - // ABSL_FLAGS_INTERNAL_HAS_RTTI macro is used for selecting if we can use RTTI // for flag type identification. #ifdef ABSL_FLAGS_INTERNAL_HAS_RTTI |