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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
| commit | 17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch) | |
| tree | 3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /compiler/rustc_target/src/spec/thumbv6m_none_eabi.rs | |
| parent | Adding upstream version 1.64.0+dfsg1. (diff) | |
| download | rustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.tar.xz rustc-f7f0cc2a5d72e2c61c1f6900e70eec992bea4273.zip | |
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_target/src/spec/thumbv6m_none_eabi.rs')
| -rw-r--r-- | compiler/rustc_target/src/spec/thumbv6m_none_eabi.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_target/src/spec/thumbv6m_none_eabi.rs b/compiler/rustc_target/src/spec/thumbv6m_none_eabi.rs index 2546ab9b7..c9bb0112f 100644 --- a/compiler/rustc_target/src/spec/thumbv6m_none_eabi.rs +++ b/compiler/rustc_target/src/spec/thumbv6m_none_eabi.rs @@ -13,7 +13,9 @@ pub fn target() -> Target { abi: "eabi".into(), // The ARMv6-M architecture doesn't support unaligned loads/stores so we disable them // with +strict-align. - features: "+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: "+strict-align,+atomics-32".into(), // There are no atomic CAS instructions available in the instruction set of the ARMv6-M // architecture atomic_cas: false, |