Rollup merge of #137324 - flba-eb:rename_qnx_target_name_i586, r=workingjubilee

Make x86 QNX target name consistent with other Rust targets

Rename target to be consistent with other Rust targets: Use `i686` instead of `i586`
See also
- #136495
- #109173

CC: `@jonathanpallant` `@japaric` `@gh-tr` `@samkearney`

Author: workingjubilee

compiler/rustc_target/src/spec/mod.rs

@@ -2005,7 +2005,7 @@ supported_targets! {
     ("x86_64-pc-nto-qnx710", x86_64_pc_nto_qnx710),
     ("x86_64-pc-nto-qnx710_iosock", x86_64_pc_nto_qnx710_iosock),
     ("x86_64-pc-nto-qnx800", x86_64_pc_nto_qnx800),
-    ("i586-pc-nto-qnx700", i586_pc_nto_qnx700),
+    ("i686-pc-nto-qnx700", i686_pc_nto_qnx700),
 
     ("aarch64-unknown-linux-ohos", aarch64_unknown_linux_ohos),
     ("armv7-unknown-linux-ohos", armv7_unknown_linux_ohos),

compiler/rustc_target/src/spec/targets/i586_pc_nto_qnx700.rs renamed to compiler/rustc_target/src/spec/targets/i686_pc_nto_qnx700.rs

@@ -309,10 +309,10 @@ target | std | host | notes
 [`hexagon-unknown-linux-musl`](platform-support/hexagon-unknown-linux-musl.md) | ✓ | | Hexagon Linux with musl 1.2.3
 [`hexagon-unknown-none-elf`](platform-support/hexagon-unknown-none-elf.md)| * | | Bare Hexagon (v60+, HVX)
 [`i386-apple-ios`](platform-support/apple-ios.md) | ✓ |  | 32-bit x86 iOS (Penryn) [^x86_32-floats-return-ABI]
-[`i586-pc-nto-qnx700`](platform-support/nto-qnx.md) | * |  | 32-bit x86 QNX Neutrino 7.0 RTOS (Pentium 4) [^x86_32-floats-return-ABI]
 [`i586-unknown-netbsd`](platform-support/netbsd.md) | ✓ |  | 32-bit x86 (original Pentium) [^x86_32-floats-x87]
 [`i586-unknown-redox`](platform-support/redox.md) | ✓ |  | 32-bit x86 Redox OS (PentiumPro) [^x86_32-floats-x87]
 [`i686-apple-darwin`](platform-support/apple-darwin.md) | ✓ | ✓ | 32-bit macOS (10.12+, Sierra+, Penryn) [^x86_32-floats-return-ABI]
+[`i686-pc-nto-qnx700`](platform-support/nto-qnx.md) | * |  | 32-bit x86 QNX Neutrino 7.0 RTOS (Pentium 4) [^x86_32-floats-return-ABI]
 `i686-unknown-haiku` | ✓ | ✓ | 32-bit Haiku (Pentium 4) [^x86_32-floats-return-ABI]
 [`i686-unknown-hurd-gnu`](platform-support/hurd.md) | ✓ | ✓ | 32-bit GNU/Hurd (Pentium 4) [^x86_32-floats-return-ABI]
 [`i686-unknown-netbsd`](platform-support/netbsd.md) | ✓ | ✓ | NetBSD/i386 (Pentium 4) [^x86_32-floats-return-ABI]

src/doc/rustc/src/platform-support.md

@@ -31,7 +31,7 @@ Currently, the following QNX versions and compilation targets are supported:
 | `aarch64-unknown-nto-qnx710_iosock` | QNX Neutrino 7.1 with io-sock | AArch64             |      ?       |        ✓         |
 | `x86_64-pc-nto-qnx710_iosock`       | QNX Neutrino 7.1 with io-sock | x86_64              |      ?       |        ✓         |
 | `aarch64-unknown-nto-qnx700`        | QNX Neutrino 7.0              | AArch64             |      ?       |        ✓         |
-| `i586-pc-nto-qnx700`                | QNX Neutrino 7.0              | x86                 |              |        ✓         |
+| `i686-pc-nto-qnx700`                | QNX Neutrino 7.0              | x86                 |              |        ✓         |
 
 On QNX Neutrino 7.0 and 7.1, `io-pkt` is used as network stack by default.
 QNX Neutrino 7.1 includes the optional network stack `io-sock`.

src/doc/rustc/src/platform-support/nto-qnx.md

@@ -21,6 +21,7 @@ const EXCEPTIONS: &[&str] = &[
     "xtensa_esp32s2_espidf",
     "xtensa_esp32s3_none_elf",
     "xtensa_esp32s3_espidf",
+    "i586_pc_nto_qnx700", // Renamed to i686-pc-nto-qnx700, see https://github.com/rust-lang/rust/issues/136495
 ];
 
 pub fn check(root_path: &Path, bad: &mut bool) {

src/tools/tidy/src/target_policy.rs

@@ -216,9 +216,9 @@
 //@ revisions: hexagon_unknown_none_elf
 //@ [hexagon_unknown_none_elf] compile-flags: --target hexagon-unknown-none-elf
 //@ [hexagon_unknown_none_elf] needs-llvm-components: hexagon
-//@ revisions: i586_pc_nto_qnx700
-//@ [i586_pc_nto_qnx700] compile-flags: --target i586-pc-nto-qnx700
-//@ [i586_pc_nto_qnx700] needs-llvm-components: x86
+//@ revisions: i686_pc_nto_qnx700
+//@ [i686_pc_nto_qnx700] compile-flags: --target i686-pc-nto-qnx700
+//@ [i686_pc_nto_qnx700] needs-llvm-components: x86
 //@ revisions: i586_unknown_linux_gnu
 //@ [i586_unknown_linux_gnu] compile-flags: --target i586-unknown-linux-gnu
 //@ [i586_unknown_linux_gnu] needs-llvm-components: x86