| commit | f85da3081d001909929a19e530e69cea0487f00e | |
| author | Richard Henderson <rth@twiddle.net> | |
| Thu, 7 Sep 2017 18:50:53 +0000 (7 11:50 -0700) | ||
| committer | Aurelien Jarno <aurelien@aurel32.net> | |
| Mon, 18 Dec 2017 22:29:31 +0000 (18 23:29 +0100) | ||
| tree | 411c4cb169d1d71a319ffb03e9beb16021ae2dae | treesnapshot (tar.gz zip) |
| parent | 6d56fc6cc372284a4571f09b361a9ccd99318103 | commitdiff |
target/sh4: Use cmpxchg for movco when parallel_cpus
As for other targets, cmpxchg isn't quite right for ll/sc,
suffering from an ABA race, but is sufficient to implement
portable atomic operations.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <20170907185057.23421-2-richard.henderson@linaro.org>
[aurel32: fix whitespace]
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
As for other targets, cmpxchg isn't quite right for ll/sc,
suffering from an ABA race, but is sufficient to implement
portable atomic operations.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <20170907185057.23421-2-richard.henderson@linaro.org>
[aurel32: fix whitespace]
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
| linux-user/main.c | diffblobblamehistory | |
| target/sh4/cpu.h | diffblobblamehistory | |
| target/sh4/helper.c | diffblobblamehistory | |
| target/sh4/translate.c | diffblobblamehistory |