Author: imp Date: Tue Dec 17 03:20:37 2019 New Revision: 355841 URL: https://svnweb.freebsd.org/changeset/base/355841
Log: Two minor issues: (1) Don't define load/store 64 atomics for o32. They aren't atomic there. (2) Add comment about why we need 64 atomic define on n32 only. Modified: head/sys/mips/include/atomic.h Modified: head/sys/mips/include/atomic.h ============================================================================== --- head/sys/mips/include/atomic.h Tue Dec 17 02:02:26 2019 (r355840) +++ head/sys/mips/include/atomic.h Tue Dec 17 03:20:37 2019 (r355841) @@ -345,10 +345,16 @@ atomic_store_rel_##WIDTH(__volatile uint##WIDTH##_t *p } ATOMIC_STORE_LOAD(32) +#if defined(__mips_n64) || defined(__mips_n32) ATOMIC_STORE_LOAD(64) +#endif #undef ATOMIC_STORE_LOAD -#ifdef __mips_n32 +/* + * MIPS n32 is not a LP64 API, so atomic_load_64 isn't defined there. Define it + * here since n32 is an oddball !LP64 but that can do 64-bit atomics. + */ +#if defined(__mips_n32) #define atomic_load_64 atomic_load_acq_64 #endif _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
