| commit | 14f944063affbcc7bd6df42b060793dbfee8a822 | |
| author | Laurent Vivier <laurent@vivier.eu> | |
| Mon, 11 Jan 2016 00:33:26 +0000 (11 01:33 +0100) | ||
| committer | Laurent Vivier <laurent@vivier.eu> | |
| Tue, 27 Dec 2016 17:21:09 +0000 (27 18:21 +0100) | ||
| tree | 38b0f3ba0c2537980c27456db475917cf04a12b2 | treesnapshot (tar.gz zip) |
| parent | fb5543d820018a46b713911e7653594be727ca98 | commitdiff |
target-m68k: add cas/cas2 ops
Implement CAS using cmpxchg.
Implement CAS2 using helper and either cmpxchg when
the 32bit addresses are consecutive, or with
parallel_cpus+cpu_loop_exit_atomic() otherwise.
Suggested-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Implement CAS using cmpxchg.
Implement CAS2 using helper and either cmpxchg when
the 32bit addresses are consecutive, or with
parallel_cpus+cpu_loop_exit_atomic() otherwise.
Suggested-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
| target/m68k/helper.h | diffblobblamehistory | |
| target/m68k/op_helper.c | diffblobblamehistory | |
| target/m68k/translate.c | diffblobblamehistory |