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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2019-02-01 21:55:38 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2019-02-01 21:55:38 +0000 |
| commit | b52a3881f04799d410f7ec70d022179c8d734459 (patch) | |
| tree | eace57a9fb5df73173371815f0a0e1a5913a77a8 /libgo/config.h.in | |
| parent | a53a893b4fe04ec966a4ec178ee8f394426a5dad (diff) | |
| download | gcc-b52a3881f04799d410f7ec70d022179c8d734459.tar.gz | |
runtime, sync: use __atomic intrinsics instead of __sync
GCC has supported the __atomic intrinsics since 4.7. They are better
than the __sync intrinsics in that they specify a memory model and,
more importantly for our purposes, they are reliably implemented
either in the compiler or in libatomic.
Fixes https://gcc.gnu.org/PR52084
Reviewed-on: https://go-review.googlesource.com/c/160820
From-SVN: r268458
Diffstat (limited to 'libgo/config.h.in')
| -rw-r--r-- | libgo/config.h.in | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/libgo/config.h.in b/libgo/config.h.in index d47969dc8f1..bbb2516bbbf 100644 --- a/libgo/config.h.in +++ b/libgo/config.h.in @@ -246,22 +246,6 @@ /* Define to 1 if <math.h> defines struct exception */ #undef HAVE_STRUCT_EXCEPTION -/* Define to 1 if the compiler provides the __sync_add_and_fetch function for - uint64 */ -#undef HAVE_SYNC_ADD_AND_FETCH_8 - -/* Define to 1 if the compiler provides the __sync_bool_compare_and_swap - function for uint32 */ -#undef HAVE_SYNC_BOOL_COMPARE_AND_SWAP_4 - -/* Define to 1 if the compiler provides the __sync_bool_compare_and_swap - function for uint64 */ -#undef HAVE_SYNC_BOOL_COMPARE_AND_SWAP_8 - -/* Define to 1 if the compiler provides the __sync_fetch_and_add function for - uint32 */ -#undef HAVE_SYNC_FETCH_AND_ADD_4 - /* Define to 1 if you have the `sync_file_range' function. */ #undef HAVE_SYNC_FILE_RANGE |