port udivmoddi4 and __aeabi_uldivmod#25

Merged

japaric merged 11 commits intomasterfrom

Aug 11, 2016

Commits on Aug 11, 2016

port udivmoddi4 and __aeabi_uldivmod
Jorge Aparicio
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some targets need gcc to be installed
Jorge Aparicio
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and libc6-dev
Jorge Aparicio
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port __udivmodsi4, aeabi_uidivmod and udivsi3
Jorge Aparicio
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*mut T -> Option<&mut T>
Jorge Aparicio
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move return into if branches
Jorge Aparicio
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note about calling convention
Jorge Aparicio
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refactor: use Int traits, words -> U64, fmt
Jorge Aparicio
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put div intrinsics in their own module + some docs
Jorge Aparicio
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don't transmute in test
Jorge Aparicio
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address second row of review
Jorge Aparicio
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