rustc_target/spec/targets/
amdgcn_amd_amdhsa.rs

1use crate::spec::{Cc, LinkerFlavor, Lld, PanicStrategy, Target, TargetMetadata, TargetOptions};
2
3pub(crate) fn target() -> Target {
4    Target {
5        arch: "amdgpu".into(),
6        data_layout: "e-p:64:64-p1:64:64-p2:32:32-p3:32:32-p4:64:64-p5:32:32-p6:32:32-p7:160:256:256:32-p8:128:128-p9:192:256:256:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64-S32-A5-G1-ni:7:8:9".into(),
7        llvm_target: "amdgcn-amd-amdhsa".into(),
8        metadata: TargetMetadata {
9            description: Some("AMD GPU".into()),
10            tier: Some(3),
11            host_tools: Some(false),
12            std: Some(false),
13        },
14        pointer_width: 64,
15
16        options: TargetOptions {
17            os: "amdhsa".into(),
18            vendor: "amd".into(),
19            linker_flavor: LinkerFlavor::Gnu(Cc::No, Lld::Yes),
20            linker: Some("rust-lld".into()),
21
22            // There are many CPUs, one for each hardware generation.
23            // Require to set one explicitly as there is no good default.
24            need_explicit_cpu: true,
25
26            max_atomic_width: Some(64),
27
28            // Unwinding on GPUs is not useful.
29            panic_strategy: PanicStrategy::Abort,
30
31            // amdgpu backend does not support libcalls.
32            no_builtins: true,
33            simd_types_indirect: false,
34
35            // Allow `cdylib` crate type.
36            dynamic_linking: true,
37            only_cdylib: true,
38            executables: false,
39            dll_prefix: "".into(),
40            dll_suffix: ".elf".into(),
41
42            // The LLVM backend does not support stack canaries for this target
43            supports_stack_protector: false,
44
45            // Force LTO, object linking does not yet work with amdgpu.
46            requires_lto: true,
47
48            ..Default::default()
49        },
50    }
51}