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Re: [PATCH v3 01/10] qemu/atomic: Use macros for CONFIG_ATOMIC64


From: Richard Henderson
Subject: Re: [PATCH v3 01/10] qemu/atomic: Use macros for CONFIG_ATOMIC64
Date: Tue, 20 Jul 2021 10:38:19 -1000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0

On 7/19/21 2:01 AM, Peter Maydell wrote:
-static inline void qatomic_set_u64(uint64_t *ptr, uint64_t val)
-{
-    qatomic_set__nocheck(ptr, val);
-}
...
+#define qatomic_set_u64   qatomic_set__nocheck

Previously if you tried to do qatomic_set_i64() etc on something
that wasn't an int64_t*, the compiler would complain. Now it will
silently store a different-sized value, I think. Is there a way
to retain the typechecking in the macro versions?

I can add a trivial _Generic wrapper.


r~



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