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Getting "'+fp' is not a recognized feature for this target (ignoring feature)" on newest nightly #49782

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andre-richter opened this issue Apr 8, 2018 · 0 comments · Fixed by #49857
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Getting "'+fp' is not a recognized feature for this target (ignoring feature)" on newest nightly #49782

andre-richter opened this issue Apr 8, 2018 · 0 comments · Fixed by #49857

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@andre-richter
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As of today, when compiling for my custom aarch64 target, I get the following error spews that were not there previously:

Compiling volatile-register v0.2.0
'+fp' is not a recognized feature for this target (ignoring feature)
'+fp' is not a recognized feature for this target (ignoring feature)

Example project here: https://github.com/andre-richter/rust-raspi3-tutorial/tree/master/05_uart0

I am unsure where this is injected. If I try to explicitly turn it off, I get the same error spew, so this feature seems to not exist at all:

Compiling volatile-register v0.2.0
'-fp' is not a recognized feature for this target (ignoring feature)
'-fp' is not a recognized feature for this target (ignoring feature)
'+fp' is not a recognized feature for this target (ignoring feature)
@nagisa nagisa mentioned this issue Apr 8, 2018
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@varkor varkor mentioned this issue Apr 10, 2018
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kennytm added a commit to kennytm/rust that referenced this issue Apr 11, 2018
@kennytm
Rollup merge of rust-lang#49857 - Amanieu:aarch64_fp, r=alexcrichton
dfdcf63 
Fix "fp" target feature for AArch64

This fixes the following warning on AArch64:
```
'+fp' is not a recognized feature for this target (ignoring feature)
```

Fixes rust-lang#49782
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Fix "fp" target feature for AArch64 Amanieu/rust
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@andre-richter