src/sys/powerpc/include/atomic.h, branch releng/6.0

MFC: Add atomic_fetchadd(9) operation for types int and 32.

2005-10-06T18:12:06Z

Other small updates to atomic(9) include: - Note that arm and ppc don't provide 64-bit atomic ops. - Update sample code. Approved by: re (scottl)

MFC: Stop using the '+' constraint modifier with memory operands in

2005-09-26T19:54:19Z

inline assembly. We still use it for register operands in various places. Approved by: re (kensmith)

MFC: Convert the atomic pointer operations to operate on uintptr_t rather

2005-08-05T19:44:00Z

than void *. Approved by: re (kensmith)

netchild's mega-patch to isolate compiler dependencies into a central

2005-03-02T21:33:29Z

place. This moves the dependency on GCC's and other compiler's features into the central sys/cdefs.h file, while the individual source files can then refer to #ifdef __COMPILER_FEATURE_FOO where they by now used to refer to #if __GNUC__ > 3.1415 && __BARC__ <= 42. By now, GCC and ICC (the Intel compiler) have been actively tested on IA32 platforms by netchild. Extension to other compilers is supposed to be possible, of course. Submitted by: netchild Reviewed by: various developers on arch@, some time ago

- change all u_int_XX to uint_XX

2005-02-01T11:17:24Z

- cast param for atomic_subtract_long, since Netgraph uses it.

Fix bugs with operand ordering and unnecessary sync/eieio ops. Mostly

2003-01-18T11:28:36Z

obtained from Alpha atomic.h Approved by: Benno

Fixed branch labels

2002-09-19T04:39:59Z

Approved by: benno

Make atomic_cmpset_32 correctly return 0 on failure.

2002-02-24T23:31:49Z

Fix the atomic_*_32 operations. These were written before I had the ability

2001-06-27T12:17:23Z

to test them properly and before I had a working knowledge of GCC asm constraints.

Don't initialise ret in atomic_cmpset_32.

2001-06-26T13:54:17Z

Add more synchronisation.