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Add targets thumbv7neon-linux-androideabi and thumbv7neon-unknown-lin…
…ux-gnueabihf These two targets enable both thumb-mode and NEON for ARMv7 CPUs.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| // Copyright 2016 The Rust Project Developers. See the COPYRIGHT | ||
| // file at the top-level directory of this distribution and at | ||
| // http://rust-lang.org/COPYRIGHT. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
| // option. This file may not be copied, modified, or distributed | ||
| // except according to those terms. | ||
|
|
||
| use spec::{LinkerFlavor, Target, TargetOptions, TargetResult}; | ||
|
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| // This target if is for the Android v7a ABI in thumb mode with | ||
| // NEON unconditionally enabled and, therefore, with 32 FPU registers | ||
| // enabled as well. See section A2.6.2 on page A2-56 in | ||
| // https://static.docs.arm.com/ddi0406/cd/DDI0406C_d_armv7ar_arm.pdf | ||
|
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| // See https://developer.android.com/ndk/guides/abis.html#v7a | ||
| // for target ABI requirements. | ||
|
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| pub fn target() -> TargetResult { | ||
| let mut base = super::android_base::opts(); | ||
| base.features = "+v7,+thumb-mode,+thumb2,+vfp3,+neon".to_string(); | ||
| base.max_atomic_width = Some(64); | ||
| base.pre_link_args | ||
| .get_mut(&LinkerFlavor::Gcc).unwrap().push("-march=armv7-a".to_string()); | ||
|
|
||
| Ok(Target { | ||
| llvm_target: "armv7-none-linux-android".to_string(), | ||
| target_endian: "little".to_string(), | ||
| target_pointer_width: "32".to_string(), | ||
| target_c_int_width: "32".to_string(), | ||
| data_layout: "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64".to_string(), | ||
| arch: "arm".to_string(), | ||
| target_os: "android".to_string(), | ||
| target_env: "".to_string(), | ||
| target_vendor: "unknown".to_string(), | ||
| linker_flavor: LinkerFlavor::Gcc, | ||
| options: TargetOptions { | ||
| abi_blacklist: super::arm_base::abi_blacklist(), | ||
| .. base | ||
| }, | ||
| }) | ||
| } |
42 changes: 42 additions & 0 deletions
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src/librustc_target/spec/thumbv7neon_unknown_linux_gnueabihf.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| // Copyright 2016 The Rust Project Developers. See the COPYRIGHT | ||
| // file at the top-level directory of this distribution and at | ||
| // http://rust-lang.org/COPYRIGHT. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
| // option. This file may not be copied, modified, or distributed | ||
| // except according to those terms. | ||
|
|
||
| use spec::{LinkerFlavor, Target, TargetOptions, TargetResult}; | ||
|
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| // This target is for glibc Linux on ARMv7 with thumb mode enabled | ||
| // (for consistency with Android and Debian-based distributions) | ||
| // and with NEON unconditionally enabled and, therefore, with 32 FPU | ||
| // registers enabled as well. See section A2.6.2 on page A2-56 in | ||
| // https://static.docs.arm.com/ddi0406/cd/DDI0406C_d_armv7ar_arm.pdf | ||
|
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| pub fn target() -> TargetResult { | ||
| let base = super::linux_base::opts(); | ||
| Ok(Target { | ||
| llvm_target: "armv7-unknown-linux-gnueabihf".to_string(), | ||
| target_endian: "little".to_string(), | ||
| target_pointer_width: "32".to_string(), | ||
| target_c_int_width: "32".to_string(), | ||
| data_layout: "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64".to_string(), | ||
| arch: "arm".to_string(), | ||
| target_os: "linux".to_string(), | ||
| target_env: "gnu".to_string(), | ||
| target_vendor: "unknown".to_string(), | ||
| linker_flavor: LinkerFlavor::Gcc, | ||
|
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| options: TargetOptions { | ||
| // Info about features at https://wiki.debian.org/ArmHardFloatPort | ||
| features: "+v7,+thumb-mode,+thumb2,+vfp3,+neon".to_string(), | ||
| cpu: "generic".to_string(), | ||
| max_atomic_width: Some(64), | ||
| abi_blacklist: super::arm_base::abi_blacklist(), | ||
| .. base | ||
| } | ||
| }) | ||
| } |
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