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| author | Rickard Green <[email protected]> | 2014-11-25 19:24:35 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2014-11-25 19:24:35 +0100 |
| commit | 91d8aa57c11688395b5b966f65d2a78d1985dcf1 (patch) | |
| tree | 75a30fb6c612c2a390f043a23e69d9e4c1a13d14 /lib/erl_interface/aclocal.m4 | |
| parent | 0ab1d950b2ead9611cb31abd6a612ef378ff5b88 (diff) | |
| parent | d642dc89e098b572d1b7419fc98c36f324d8407e (diff) | |
| download | otp-91d8aa57c11688395b5b966f65d2a78d1985dcf1.tar.gz otp-91d8aa57c11688395b5b966f65d2a78d1985dcf1.tar.bz2 otp-91d8aa57c11688395b5b966f65d2a78d1985dcf1.zip | |
Merge branch 'rickard/libatomic_ops_improvements/OTP-12302' into maint
* rickard/libatomic_ops_improvements/OTP-12302:
Implement support for double word atomics using libatomic_ops
Improve usage of libatomic_ops for word size atomics
Diffstat (limited to 'lib/erl_interface/aclocal.m4')
| -rw-r--r-- | lib/erl_interface/aclocal.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/erl_interface/aclocal.m4 b/lib/erl_interface/aclocal.m4 index ed492d55ff..d78025b0be 100644 --- a/lib/erl_interface/aclocal.m4 +++ b/lib/erl_interface/aclocal.m4 @@ -1421,9 +1421,31 @@ case "$THR_LIB_NAME" in int z; AO_nop_full(); +#if defined(AO_HAVE_store) AO_store(&x, (AO_t) 0); +#elif defined(AO_HAVE_store_release) + AO_store_release(&x, (AO_t) 0); +#else +#error No store +#endif +#if defined(AO_HAVE_load) z = AO_load(&x); +#elif defined(AO_HAVE_load_acquire) + z = AO_load_acquire(&x); +#else +#error No load +#endif +#if defined(AO_HAVE_compare_and_swap_full) z = AO_compare_and_swap_full(&x, (AO_t) 0, (AO_t) 1); +#elif defined(AO_HAVE_compare_and_swap_release) + z = AO_compare_and_swap_release(&x, (AO_t) 0, (AO_t) 1); +#elif defined(AO_HAVE_compare_and_swap_acquire) + z = AO_compare_and_swap_acquire(&x, (AO_t) 0, (AO_t) 1); +#elif defined(AO_HAVE_compare_and_swap) + z = AO_compare_and_swap(&x, (AO_t) 0, (AO_t) 1); +#else +#error No compare_and_swap +#endif ], [ethr_have_native_atomics=yes ethr_have_libatomic_ops=yes]) |