From llvm: Fwd: [Bug 26519] Clang 3.8.0's "Target: powerpc-unknown-freebsd11.0" code generation is violating the SVR4 ABI (SEGV can result) [fixed in llvm -r280705]

Krzysztof Parzyszek kristof at swissmail.org
Thu Sep 8 13:01:44 UTC 2016


On 9/7/2016 9:42 PM, Mark Millard wrote:
>
> I think that "optimizations" here means (in part?) avoiding the floating point hardware as the kernel need not save/restore the registers and the like for its own activities. Only user-space gets that service as I understand.
>


Hi Mark,
Thanks, this helps. The kernel may not need this, but in general 
soft-float needs to generate library calls for floating-point 
operations. Is there a library for those for powerpc64? The compiler 
will need to know at least the names and parameters of these functions.

-Krzysztof


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