rust/compiler/rustc_target/src/spec/armv7_apple_ios.rs

use super::apple_base::{ios_llvm_target, opts, Arch};
use crate::spec::{Target, TargetOptions};

pub fn target() -> Target {
    let arch = Arch::Armv7;
    Target {
        // Clang automatically chooses a more specific target based on
        // IPHONEOS_DEPLOYMENT_TARGET.
        // This is required for the target to pick the right
        // MACH-O commands, so we do too.
        llvm_target: ios_llvm_target(arch).into(),
        pointer_width: 32,
        data_layout: "e-m:o-p:32:32-Fi8-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32".into(),
        arch: arch.target_arch(),
        options: TargetOptions {
            features: "+v7,+vfp3,+neon".into(),
            max_atomic_width: Some(64),
            ..opts("ios", arch)
        },
    }
}