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Rollup merge of #100622 - taiki-e:aarch64-atomic-128, r=Amanieu

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Support 128-bit atomics on all aarch64 targets

Some aarch64 targets currently set `max_atomic_width` to 64, but aarch64 always supports 128-bit atomics.

r? `@Amanieu`
This commit is contained in:
Dylan DPC 2022-08-16 18:16:16 +05:30 committed by GitHub
commit 35bd1d64cf
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5 changed files with 5 additions and 5 deletions
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2
compiler/rustc_target/src/spec/aarch64_pc_windows_gnullvm.rs
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@ -2,7 +2,7 @@ use crate::spec::Target;
pub fn target() -> Target { pub fn target() -> Target {
let mut base = super::windows_gnullvm_base::opts(); let mut base = super::windows_gnullvm_base::opts();
base.max_atomic_width = Some(64); base.max_atomic_width = Some(128);
base.features = "+neon,+fp-armv8".into(); base.features = "+neon,+fp-armv8".into();
base.linker = Some("aarch64-w64-mingw32-clang".into()); base.linker = Some("aarch64-w64-mingw32-clang".into());

2
compiler/rustc_target/src/spec/aarch64_pc_windows_msvc.rs
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@ -2,7 +2,7 @@ use crate::spec::Target;
pub fn target() -> Target { pub fn target() -> Target {
let mut base = super::windows_msvc_base::opts(); let mut base = super::windows_msvc_base::opts();
base.max_atomic_width = Some(64); base.max_atomic_width = Some(128);
base.features = "+neon,+fp-armv8".into(); base.features = "+neon,+fp-armv8".into();
Target { Target {

2
compiler/rustc_target/src/spec/aarch64_unknown_uefi.rs
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@ -7,7 +7,7 @@ use crate::spec::{LinkerFlavor, Target};
pub fn target() -> Target { pub fn target() -> Target {
let mut base = uefi_msvc_base::opts(); let mut base = uefi_msvc_base::opts();
base.max_atomic_width = Some(64); base.max_atomic_width = Some(128);
base.add_pre_link_args(LinkerFlavor::Msvc, &["/machine:arm64"]); base.add_pre_link_args(LinkerFlavor::Msvc, &["/machine:arm64"]);
Target { Target {

2
compiler/rustc_target/src/spec/aarch64_uwp_windows_msvc.rs
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@ -2,7 +2,7 @@ use crate::spec::Target;
pub fn target() -> Target { pub fn target() -> Target {
let mut base = super::windows_uwp_msvc_base::opts(); let mut base = super::windows_uwp_msvc_base::opts();
base.max_atomic_width = Some(64); base.max_atomic_width = Some(128);
Target { Target {
llvm_target: "aarch64-pc-windows-msvc".into(), llvm_target: "aarch64-pc-windows-msvc".into(),

2
compiler/rustc_target/src/spec/arm64_32_apple_watchos.rs
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@ -10,7 +10,7 @@ pub fn target() -> Target {
arch: "aarch64".into(), arch: "aarch64".into(),
options: TargetOptions { options: TargetOptions {
features: "+neon,+fp-armv8,+apple-a7".into(), features: "+neon,+fp-armv8,+apple-a7".into(),
max_atomic_width: Some(64), max_atomic_width: Some(128),
forces_embed_bitcode: true, forces_embed_bitcode: true,
// These arguments are not actually invoked - they just have // These arguments are not actually invoked - they just have
// to look right to pass App Store validation. // to look right to pass App Store validation.