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Update platform support docs for new Windows support policy #121645

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Update platform support docs for new Windows support policy #121645

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12 changes: 4 additions & 8 deletions src/doc/rustc/src/platform-support.md
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Original file line number Diff line number Diff line change
Expand Up @@ -33,20 +33,18 @@ All tier 1 targets with host tools support the full standard library.
target | notes
-------|-------
`aarch64-unknown-linux-gnu` | ARM64 Linux (kernel 4.1, glibc 2.17+) [^missing-stack-probes]
`i686-pc-windows-gnu` | 32-bit MinGW (Windows 7+) [^windows-support] [^x86_32-floats-return-ABI]
`i686-pc-windows-msvc` | 32-bit MSVC (Windows 7+) [^windows-support] [^x86_32-floats-return-ABI]
`i686-pc-windows-gnu` | 32-bit MinGW (Windows 10+) [^x86_32-floats-return-ABI]
`i686-pc-windows-msvc` | 32-bit MSVC (Windows 10+) [^x86_32-floats-return-ABI]
`i686-unknown-linux-gnu` | 32-bit Linux (kernel 3.2+, glibc 2.17+) [^x86_32-floats-return-ABI]
`x86_64-apple-darwin` | 64-bit macOS (10.12+, Sierra+)
`x86_64-pc-windows-gnu` | 64-bit MinGW (Windows 7+) [^windows-support]
`x86_64-pc-windows-msvc` | 64-bit MSVC (Windows 7+) [^windows-support]
`x86_64-pc-windows-gnu` | 64-bit MinGW (Windows 10+)
`x86_64-pc-windows-msvc` | 64-bit MSVC (Windows 10+)
`x86_64-unknown-linux-gnu` | 64-bit Linux (kernel 3.2+, glibc 2.17+)

[^missing-stack-probes]: Stack probes support is missing on
`aarch64-unknown-linux-gnu`, but it's planned to be implemented in the near
future. The implementation is tracked on [issue #77071][77071].

[^windows-support]: Only Windows 10 currently undergoes automated testing. Earlier versions of Windows rely on testing and support from the community.

[^x86_32-floats-return-ABI]: Due to limitations of the C ABI, floating-point support on `i686` targets is non-compliant: floating-point return values are passed via an x87 register, so NaN payload bits can be lost. See [issue #114479][x86-32-float-issue].

[77071]: https://github.com/rust-lang/rust/issues/77071
Expand Down Expand Up @@ -292,7 +290,6 @@ target | std | host | notes
[`i586-pc-nto-qnx700`](platform-support/nto-qnx.md) | * | | 32-bit x86 QNX Neutrino 7.0 RTOS [^x86_32-floats-return-ABI]
[`i586-unknown-netbsd`](platform-support/netbsd.md) | ✓ | | 32-bit x86, restricted to Pentium
`i686-apple-darwin` | ✓ | ✓ | 32-bit macOS (10.12+, Sierra+) [^x86_32-floats-return-ABI]
`i686-pc-windows-msvc` | * | | 32-bit Windows XP support [^x86_32-floats-return-ABI]
[`i686-pc-windows-gnullvm`](platform-support/pc-windows-gnullvm.md) | ✓ | ✓ | [^x86_32-floats-return-ABI]
`i686-unknown-haiku` | ✓ | ✓ | 32-bit Haiku [^x86_32-floats-return-ABI]
[`i686-unknown-hurd-gnu`](platform-support/hurd.md) | ✓ | ✓ | 32-bit GNU/Hurd [^x86_32-floats-return-ABI]
Expand Down Expand Up @@ -367,7 +364,6 @@ target | std | host | notes
[`x86_64-apple-watchos-sim`](platform-support/apple-watchos.md) | ✓ | | x86 64-bit Apple WatchOS simulator
[`x86_64-pc-nto-qnx710`](platform-support/nto-qnx.md) | ✓ | | x86 64-bit QNX Neutrino 7.1 RTOS |
[`x86_64-pc-windows-gnullvm`](platform-support/pc-windows-gnullvm.md) | ✓ | ✓ |
`x86_64-pc-windows-msvc` | * | | 64-bit Windows XP support
[`x86_64-unikraft-linux-musl`](platform-support/unikraft-linux-musl.md) | ✓ | | 64-bit Unikraft with musl
`x86_64-unknown-dragonfly` | ✓ | ✓ | 64-bit DragonFlyBSD
`x86_64-unknown-haiku` | ✓ | ✓ | 64-bit Haiku
Expand Down