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qemu/atomic: Add aligned_{int64,uint64}_t types

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Use it to avoid some clang-12 -Watomic-alignment errors,
forcing some structures to be aligned and as a pointer when
we have ensured that the address is aligned.

Tested-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-07-16 08:17:18 -07:00
parent 47345e7124
commit 9ef0c6d6a7
6 changed files with 20 additions and 8 deletions
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2
linux-user/hppa/cpu_loop.c
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@ -82,7 +82,7 @@ static abi_ulong hppa_lws(CPUHPPAState *env)
o64 = *(uint64_t *)g2h(cs, old);
n64 = *(uint64_t *)g2h(cs, new);
#ifdef CONFIG_ATOMIC64
r64 = qatomic_cmpxchg__nocheck((uint64_t *)g2h(cs, addr),
r64 = qatomic_cmpxchg__nocheck((aligned_uint64_t *)g2h(cs, addr),
o64, n64);
ret = r64 != o64;
#else