diff options
| author |  Abseil Team <absl-team@google.com> | 2020-12-30 14:30:17 -0800 |
|---|---|---|
| committer |  Derek Mauro <dmauro@google.com> | 2020-12-31 03:16:21 +0000 |
| commit | 384af0e9141283172e2bff3210dae79fb7130d9c (patch) | |
| tree | ac7fe48ee33eae8f9f79653c7488f892ad233ec8 /absl/flags/config.h | |
| parent | e7ca23acac146b10edc4f752edd0bd28b0f14ea3 (diff) | |
Export of internal Abseil changes
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465461299a9814aca325fee599cefbfe462f12fe by Abseil Team <absl-team@google.com>:
Optimize trivially copyable flags with a sequence lock
PiperOrigin-RevId: 349602779
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73f39f959e21121684a51887243abad0814a335e by Abseil Team <absl-team@google.com>:
Internal change
PiperOrigin-RevId: 349590869
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6b3106fa66b8f075a39a1a8f3265ae132b7e2c84 by Abseil Team <absl-team@google.com>:
Remove ABSL_DLL from `log_prefix_hook` and `abort_hook`.
PiperOrigin-RevId: 349560499
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bb0d295e699a509f3284145e025d00036b70dbb2 by Abseil Team <absl-team@google.com>:
Tiny docstring fix
A small edit to make "use of this is useful" a little less redundant. :)
PiperOrigin-RevId: 349445689
GitOrigin-RevId: 465461299a9814aca325fee599cefbfe462f12fe
Change-Id: I08cc4091b8b95b68188cb9168ac622dacc5fa688
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 |