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Re: port-macppc/53380: undefined reference to `__atomic_fetch_add_8'
The following reply was made to PR port-macppc/53380; it has been noted by GNATS.
From: "David H. Gutteridge" <david%gutteridge.ca@localhost>
Subject: Re: port-macppc/53380: undefined reference to `__atomic_fetch_add_8'
Date: Fri, 22 Mar 2019 01:17:09 -0400
On Thu, 21 Mar 2019 at 21:54:56 -0700, Jason Thorpe wrote:
>We should not be including GCC's libatomic... Can someone explain to me
>how __atomic_fetch_add_8() is implemented on 32-bit PowerPC?
My understanding is GCC's libatomic must implement this in software,
since it isn't available as a hardware instruction. (This solution for
this specific PowerPC problem has been applied by other projects.) Do
you have an alternate suggestion to fix this? (A serious question, not
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