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Rollup merge of #117170 - he32:netbsd-i586, r=bjorn3

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Add support for i586-unknown-netbsd as target.

This restricts instructions to those offered by Pentium, to support e.g. AMD Geode.

There is already an entry for this target in the NetBSD platform support page at

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

...so this should forestall its removal.

Additional fixes are needed for some vendored modules, this is the changes in the rust compiler core itself.
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Jubilee 2023-10-28 17:10:29 -07:00 • committed by GitHub
commit 78b04b54f8
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18
compiler/rustc_target/src/spec/i586_unknown_netbsd.rs Normal file
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@ -0,0 +1,18 @@
use crate::spec::{StackProbeType, Target, TargetOptions};
pub fn target() -> Target {
let mut base = super::netbsd_base::opts();
base.cpu = "pentium".into();
base.max_atomic_width = Some(64);
base.stack_probes = StackProbeType::Call;
Target {
llvm_target: "i586-unknown-netbsdelf".into(),
pointer_width: 32,
data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
f64:32:64-f80:32-n8:16:32-S128"
.into(),
arch: "x86".into(),
options: TargetOptions { mcount: "__mcount".into(), ..base },
}
}

1
compiler/rustc_target/src/spec/mod.rs
View file

@ -1564,6 +1564,7 @@ supported_targets! {
("aarch64_be-unknown-netbsd", aarch64_be_unknown_netbsd),
("armv6-unknown-netbsd-eabihf", armv6_unknown_netbsd_eabihf),
("armv7-unknown-netbsd-eabihf", armv7_unknown_netbsd_eabihf),
("i586-unknown-netbsd", i586_unknown_netbsd),
("i686-unknown-netbsd", i686_unknown_netbsd),
("powerpc-unknown-netbsd", powerpc_unknown_netbsd),
("riscv64gc-unknown-netbsd", riscv64gc_unknown_netbsd),