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target/i386: Inline cmpxchg8b

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Use tcg_gen_atomic_cmpxchg_i64 for the atomic case,
and tcg_gen_nonatomic_cmpxchg_i64 otherwise.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-11-09 15:59:03 +11:00
parent 6218c177af
commit 326ad06cf5
3 changed files with 49 additions and 64 deletions
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2
target/i386/helper.h
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@ -66,8 +66,6 @@ DEF_HELPER_1(rsm, void, env)
#endif /* !CONFIG_USER_ONLY */
DEF_HELPER_2(into, void, env, int)
DEF_HELPER_2(cmpxchg8b_unlocked, void, env, tl)
DEF_HELPER_2(cmpxchg8b, void, env, tl)
#ifdef TARGET_X86_64
DEF_HELPER_2(cmpxchg16b_unlocked, void, env, tl)
DEF_HELPER_2(cmpxchg16b, void, env, tl)