| commit | fff42f183ea4c3967405d4c1dce6d97dae4d64c8 | |
| author | Emilio G. Cota <cota@braap.org> | |
| Wed, 10 Oct 2018 14:48:50 +0000 (10 10:48 -0400) | ||
| committer | Richard Henderson <richard.henderson@linaro.org> | |
| Fri, 19 Oct 2018 01:58:10 +0000 (18 18:58 -0700) | ||
| tree | 5d68af55ddf42c9025133a17c0a21e318a47aaae | treesnapshot (tar.gz zip) |
| parent | d7f425fdea991f052241c6479acd9feae834063b | commitdiff |
tcg: access cpu->icount_decr.u16.high with atomics
Consistently access u16.high with atomics to avoid
undefined behaviour in MTTCG.
Note that icount_decr.u16.low is only used in icount mode,
so regular accesses to it are OK.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <20181010144853.13005-2-cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Consistently access u16.high with atomics to avoid
undefined behaviour in MTTCG.
Note that icount_decr.u16.low is only used in icount mode,
so regular accesses to it are OK.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <20181010144853.13005-2-cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| accel/tcg/tcg-all.c | diffblobblamehistory | |
| accel/tcg/translate-all.c | diffblobblamehistory | |
| qom/cpu.c | diffblobblamehistory |