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| author | Scott Mabin <scott@mabez.dev> | 2022-02-22 10:44:56 +0000 |
|---|---|---|
| committer | Scott Mabin <scott@mabez.dev> | 2022-02-23 13:11:26 +0000 |
| commit | 65614e91ad847e3d2941e1308bb2b1d916eba25f (patch) | |
| tree | b125cb7d217596f52ab74cd6aa73733e48c57c45 | |
| parent | c651ba8a542c7d89b271efbf024a31091c824f4b (diff) | |
| download | rust-65614e91ad847e3d2941e1308bb2b1d916eba25f.tar.gz rust-65614e91ad847e3d2941e1308bb2b1d916eba25f.zip | |
riscv32imc_esp_espidf: set max_atomic_width to 64
| -rw-r--r-- | compiler/rustc_target/src/spec/riscv32imc_esp_espidf.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_target/src/spec/riscv32imc_esp_espidf.rs b/compiler/rustc_target/src/spec/riscv32imc_esp_espidf.rs index fb084afe960..d506e7f6aac 100644 --- a/compiler/rustc_target/src/spec/riscv32imc_esp_espidf.rs +++ b/compiler/rustc_target/src/spec/riscv32imc_esp_espidf.rs @@ -18,11 +18,11 @@ pub fn target() -> Target { cpu: "generic-rv32".to_string(), // While the RiscV32IMC architecture does not natively support atomics, ESP-IDF does support - // the __atomic* and __sync* GCC builtins, so setting `max_atomic_width` to `Some(32)` + // the __atomic* and __sync* GCC builtins, so setting `max_atomic_width` to `Some(64)` // and `atomic_cas` to `true` will cause the compiler to emit libcalls to these builtins. // // Support for atomics is necessary for the Rust STD library, which is supported by the ESP-IDF framework. - max_atomic_width: Some(32), + max_atomic_width: Some(64), atomic_cas: true, features: "+m,+c".to_string(), |