Messages in this thread | | | Date | Fri, 16 Mar 2018 17:13:49 +0000 | From | Mark Rutland <> | Subject | Re: arm64 kvm built with clang doesn't boot |
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On Fri, Mar 16, 2018 at 04:52:08PM +0000, Nick Desaulniers wrote: > + Sami (Google), Takahiro (Linaro) > > Just so I fully understand the problem enough to articulate it, we'd be > looking for the compiler to keep the jump tables for speed (I would guess > -fno-jump-tables would emit an if-else chain) but only emit relative jumps > (not absolute jumps)?
Our main concern is that there is no absolute addressing. If that rules out using a relative jump table, that's ok.
We want to avoid the fragility of collecting -f-no-* options as future compiler transformations end up introducing absolute addressing.
Thanks, Mark.
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