my rust fork
https://www.rust-lang.org
aefb22c51e
This was historically done as the contents of the `i686` module wouldn't actually compile on i586 for various reasons. I believe I've tracked this down to #300 where LLVM refuses to compile a function using the `x86_mmx` type without actually enabling the `mmx` feature (sort of reasonably so!). This commit will now compile in both the `i586` and `i686` modules of this crate into the `i586-unknown-linux-gnu` target, and the relevant functions now also enable the `mmx` feature if they're using the `__m64` type. I believe this is uncovering a more widespread problem where the `__m64` isn't usable outside the context of `mmx`-enabled functions. The i686 and x86_64 targets have this feature enabled by default which is why it's worked there, but they're not enabled for the i586 target. We'll probably want to consider this when stabilizing! |
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