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cleanup: remove support for 3DNow! cpu features

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In llvm/llvm-project@f0eb5587ce all
support for 3DNow! intrinsics and instructions were removed. Per the commit message
there, only AMD chips between 1998 and 2011 or so actually supported
these instructions, and they were effectively replaced by SSE which was
available on many more chips. I'd be very surprised if anyone had ever
used these from Rust.
This commit is contained in:
Augie Fackler 2024-07-17 10:07:17 -04:00
parent a91f7d72f1
commit 72e22554ca
1 changed files with 1 additions and 3 deletions
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4
compiler/rustc_target/src/spec/targets/x86_64_unknown_none.rs
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@ -18,9 +18,7 @@ pub fn target() -> Target {
relro_level: RelroLevel::Full,
linker_flavor: LinkerFlavor::Gnu(Cc::No, Lld::Yes),
linker: Some("rust-lld".into()),
features:
"-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-3dnow,-3dnowa,-avx,-avx2,+soft-float"
.into(),
features: "-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-avx,-avx2,+soft-float".into(),
supported_sanitizers: SanitizerSet::KCFI | SanitizerSet::KERNELADDRESS,
disable_redzone: true,
panic_strategy: PanicStrategy::Abort,