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Rollup merge of #110377 - chrisnc:armv7-atomic-64, r=cjgillot

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Update max_atomic_width of armv7r and armv7_sony_vita targets to 64.

All armv7a and armv7r implementations support `ldrexd`/`strexd`, only armv7m does not.
This commit is contained in:
Yuki Okushi 2023-05-08 19:41:48 +09:00 • committed by GitHub
commit c9b4c63e01
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5 changed files with 5 additions and 5 deletions
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2
compiler/rustc_target/src/spec/armebv7r_none_eabi.rs
View file

@ -16,7 +16,7 @@ pub fn target() -> Target {
linker: Some("rust-lld".into()),
relocation_model: RelocModel::Static,
panic_strategy: PanicStrategy::Abort,
max_atomic_width: Some(32),
max_atomic_width: Some(64),
emit_debug_gdb_scripts: false,
// GCC and Clang default to 8 for arm-none here
c_enum_min_bits: Some(8),

2
compiler/rustc_target/src/spec/armebv7r_none_eabihf.rs
View file

@ -17,7 +17,7 @@ pub fn target() -> Target {
relocation_model: RelocModel::Static,
panic_strategy: PanicStrategy::Abort,
features: "+vfp3,-d32,-fp16".into(),
max_atomic_width: Some(32),
max_atomic_width: Some(64),
emit_debug_gdb_scripts: false,
// GCC and Clang default to 8 for arm-none here
c_enum_min_bits: Some(8),

2
compiler/rustc_target/src/spec/armv7_sony_vita_newlibeabihf.rs
View file

@ -33,7 +33,7 @@ pub fn target() -> Target {
pre_link_args,
exe_suffix: ".elf".into(),
panic_strategy: PanicStrategy::Abort,
max_atomic_width: Some(32),
max_atomic_width: Some(64),
..Default::default()
},
}

2
compiler/rustc_target/src/spec/armv7r_none_eabi.rs
View file

@ -15,7 +15,7 @@ pub fn target() -> Target {
linker: Some("rust-lld".into()),
relocation_model: RelocModel::Static,
panic_strategy: PanicStrategy::Abort,
max_atomic_width: Some(32),
max_atomic_width: Some(64),
emit_debug_gdb_scripts: false,
// GCC and Clang default to 8 for arm-none here
c_enum_min_bits: Some(8),

2
compiler/rustc_target/src/spec/armv7r_none_eabihf.rs
View file

@ -16,7 +16,7 @@ pub fn target() -> Target {
relocation_model: RelocModel::Static,
panic_strategy: PanicStrategy::Abort,
features: "+vfp3,-d32,-fp16".into(),
max_atomic_width: Some(32),
max_atomic_width: Some(64),
emit_debug_gdb_scripts: false,
// GCC and Clang default to 8 for arm-none here
c_enum_min_bits: Some(8),