diff --git a/src/librustc_target/spec/aarch64_unknown_none.rs b/src/librustc_target/spec/aarch64_unknown_none.rs index 8c02bc61088b4..b9549ec2120dd 100644 --- a/src/librustc_target/spec/aarch64_unknown_none.rs +++ b/src/librustc_target/spec/aarch64_unknown_none.rs @@ -1,4 +1,4 @@ -// Generic AArch64 target for bare-metal code +// Generic AArch64 target for bare-metal code - Floating point enabled // // Can be used in conjunction with the `target-feature` and // `target-cpu` compiler flags to opt-in more hardware-specific @@ -11,7 +11,7 @@ use super::{LldFlavor, LinkerFlavor, Target, TargetOptions, PanicStrategy}; pub fn target() -> Result { let opts = TargetOptions { linker: Some("rust-lld".to_owned()), - features: "+strict-align".to_string(), + features: "+strict-align,+neon,+fp-armv8".to_string(), executables: true, relocation_model: "static".to_string(), disable_redzone: true, diff --git a/src/librustc_target/spec/aarch64_unknown_none_softfloat.rs b/src/librustc_target/spec/aarch64_unknown_none_softfloat.rs new file mode 100644 index 0000000000000..b91f2af68ecb8 --- /dev/null +++ b/src/librustc_target/spec/aarch64_unknown_none_softfloat.rs @@ -0,0 +1,37 @@ +// Generic AArch64 target for bare-metal code - Floating point disabled +// +// Can be used in conjunction with the `target-feature` and +// `target-cpu` compiler flags to opt-in more hardware-specific +// features. +// +// For example, `-C target-cpu=cortex-a53`. + +use super::{LldFlavor, LinkerFlavor, Target, TargetOptions, PanicStrategy}; + +pub fn target() -> Result { + let opts = TargetOptions { + linker: Some("rust-lld".to_owned()), + features: "+strict-align,-neon,-fp-armv8".to_string(), + executables: true, + relocation_model: "static".to_string(), + disable_redzone: true, + linker_is_gnu: true, + max_atomic_width: Some(128), + panic_strategy: PanicStrategy::Abort, + abi_blacklist: super::arm_base::abi_blacklist(), + .. Default::default() + }; + Ok(Target { + llvm_target: "aarch64-unknown-none".to_string(), + target_endian: "little".to_string(), + target_pointer_width: "64".to_string(), + target_c_int_width: "32".to_string(), + target_os: "none".to_string(), + target_env: String::new(), + target_vendor: String::new(), + data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(), + arch: "aarch64".to_string(), + linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld), + options: opts, + }) +} diff --git a/src/librustc_target/spec/mod.rs b/src/librustc_target/spec/mod.rs index 626fa374a1bd4..25add0cc6a4be 100644 --- a/src/librustc_target/spec/mod.rs +++ b/src/librustc_target/spec/mod.rs @@ -489,6 +489,7 @@ supported_targets! { ("riscv64gc-unknown-none-elf", riscv64gc_unknown_none_elf), ("aarch64-unknown-none", aarch64_unknown_none), + ("aarch64-unknown-none-softfloat", aarch64_unknown_none_softfloat), ("x86_64-fortanix-unknown-sgx", x86_64_fortanix_unknown_sgx),