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Enable CMPXCHG16B, SSE3, SAHF/LAHF and 128-bit Atomics (in nightly) in Windows x64 #120820

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merged 7 commits into from
Feb 29, 2024
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Enable CMPXCHG16B, SSE3, SAHF/LAHF and 128-bit Atomics (in nightly) in Windows x64 #120820

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d51e703
As Windows 10 requires certain features like CMPXCHG16B and a few oth…
CKingX Feb 9, 2024
d6766e2
Update x86_64_pc_windows_msvc.rs
CKingX Feb 9, 2024
fcb06f7
Update x86_64_pc_windows_msvc.rs
CKingX Feb 9, 2024
abeac8f
Update x86_64_uwp_windows_gnu.rs
CKingX Feb 9, 2024
1c6dda7
Possibly removed merge policy
CKingX Feb 9, 2024
376c7b9
Added sahf feature to windows targets
CKingX Feb 13, 2024
2d25c3b
Updated test to account for added previous features (thanks erikdesja…
CKingX Feb 20, 2024
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Update x86_64_pc_windows_msvc.rs 
As CMPXCHG16B is supported, I updated the max atomic width to 128-bits from 64-bits
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@CKingX
CKingX authored Feb 9, 2024
commit fcb06f7ca2a20d030fdd5f9c53b684557f17c00c
2 changes: 1 addition & 1 deletion compiler/rustc_target/src/spec/targets/x86_64_pc_windows_msvc.rs
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Expand Up @@ -5,7 +5,7 @@ pub fn target() -> Target {
base.cpu = "x86-64".into();
base.features = "+cx16,+sse3".into();
base.plt_by_default = false;
base.max_atomic_width = Some(64);
base.max_atomic_width = Some(128);
base.supported_sanitizers = SanitizerSet::ADDRESS;

Target {
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