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Pass +atomics-32 feature for {arm,thumb}v4t-none-eabi

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This commit is contained in:
Taiki Endo 2022-08-16 19:24:12 +09:00
parent 8556e6620e
commit 8439080f27
2 changed files with 6 additions and 2 deletions
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4
compiler/rustc_target/src/spec/armv4t_none_eabi.rs
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@ -38,7 +38,9 @@ pub fn target() -> Target {
linker_flavor: LinkerFlavor::Ld, linker_flavor: LinkerFlavor::Ld,
linker: Some("arm-none-eabi-ld".into()), linker: Some("arm-none-eabi-ld".into()),
asm_args: cvs!["-mthumb-interwork", "-march=armv4t", "-mlittle-endian",], asm_args: cvs!["-mthumb-interwork", "-march=armv4t", "-mlittle-endian",],
features: "+soft-float,+strict-align".into(), // Force-enable 32-bit atomics, which allows the use of atomic load/store only.
// The resulting atomics are ABI incompatible with atomics backed by libatomic.
features: "+soft-float,+strict-align,+atomics-32".into(),
main_needs_argc_argv: false, main_needs_argc_argv: false,
atomic_cas: false, atomic_cas: false,
has_thumb_interworking: true, has_thumb_interworking: true,

4
compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs
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@ -47,7 +47,9 @@ pub fn target() -> Target {
asm_args: cvs!["-mthumb-interwork", "-march=armv4t", "-mlittle-endian",], asm_args: cvs!["-mthumb-interwork", "-march=armv4t", "-mlittle-endian",],
// minimum extra features, these cannot be disabled via -C // minimum extra features, these cannot be disabled via -C
features: "+soft-float,+strict-align".into(), // Also force-enable 32-bit atomics, which allows the use of atomic load/store only.
// The resulting atomics are ABI incompatible with atomics backed by libatomic.
features: "+soft-float,+strict-align,+atomics-32".into(),
panic_strategy: PanicStrategy::Abort, panic_strategy: PanicStrategy::Abort,
relocation_model: RelocModel::Static, relocation_model: RelocModel::Static,