Date: Thu, 8 Sep 2016 08:01:31 -0500 From: Krzysztof Parzyszek <kristof@swissmail.org> To: freebsd-ppc@freebsd.org Subject: Re: 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] Message-ID: <0f2f330a-8eeb-722d-5dcf-12d70543436e@swissmail.org> In-Reply-To: <BF0692B3-495A-42A5-B37E-55E1CD7F16AD@dsl-only.net> References: <BF0692B3-495A-42A5-B37E-55E1CD7F16AD@dsl-only.net>
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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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