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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PATCH v2 02/12] util: add atomic64 |
Date: | Tue, 18 Sep 2018 12:23:08 -0700 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 |
On 9/18/18 12:04 PM, Peter Maydell wrote: > Does libatomic give us a firm guarantee that for 32-bit > types it will definitely produce an inline atomic access > insn that will interwork with what we're using? At the > moment our guard against this going wrong is that we don't > link against libatomic (so we get a compile failure if the > compiler decides to do something weird and out of line). No, it does not. r~
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