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Add a warning about CAS2: 060 doesn't have it, we'll loose 64bit atomics :^)

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22704 a95241bf-73f2-0310-859d-f6bbb57e9c96
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François Revol
2007-10-25 00:39:27 +00:00
parent 82a9fd6a48
commit 00c8f3104c
1 changed files with 2 additions and 0 deletions
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src/system/libroot/os/arch/m68k/atomic.S
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@@ -79,6 +79,8 @@ FUNCTION(atomic_get):
/* m68k elf convention is to return structs in (a0) */
/* other conventions use d0/d1 but which is MSB ?? */
#warning M68K: 68060 doesn't have CAS2: use spinlock ??
/* see http://retropc.net/x68000/software/develop/as/has060/m68k.htm */
/* int64 atomic_add64(vint64 *value, int64 addValue) */
FUNCTION(atomic_add64):