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Enable cross-language inlining for sleef-sys #126

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gnzlbg opened this issue Sep 3, 2018 · 0 comments
Open

Enable cross-language inlining for sleef-sys #126

gnzlbg opened this issue Sep 3, 2018 · 0 comments
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Enhancement New feature or request P-low Performance Something isn't fast

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@gnzlbg
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gnzlbg commented Sep 3, 2018

See rust-lang/rust#53031 (comment)

  • compile you're C code with clang 7 and -flto=thin,
  • make sure that you are using LLD as your linker (e.g. with -Clinker=clang -Clink-arg=-fuse-ld=lld,
  • add -Zcross-lang-lto -Ccodegen-units=1 to your RUSTFLAGS.
@gnzlbg gnzlbg added Enhancement New feature or request Performance Something isn't fast P-low labels Sep 3, 2018
@GabrielMajeri GabrielMajeri mentioned this issue Sep 4, 2018
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