rustc_target: Move `target_endian` from `Target` to `TargetOptions`

152 files changed, 75 insertions, 168 deletions

diff --git a/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs b/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs
index 13352fa772c..ff15f32ca9d 100644
--- a/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs
+++ b/compiler/rustc_target/src/spec/aarch64_apple_darwin.rs
@@ -16,7 +16,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target,
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".to_string(),
         arch: arch.to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_apple_ios.rs b/compiler/rustc_target/src/spec/aarch64_apple_ios.rs
index 84a133315e7..ce59163e0aa 100644
--- a/compiler/rustc_target/src/spec/aarch64_apple_ios.rs
+++ b/compiler/rustc_target/src/spec/aarch64_apple_ios.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     let base = opts(Arch::Arm64);
     Target {
         llvm_target: "arm64-apple-ios".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_apple_tvos.rs b/compiler/rustc_target/src/spec/aarch64_apple_tvos.rs
index 2a0db66c3e9..a8126c81add 100644
--- a/compiler/rustc_target/src/spec/aarch64_apple_tvos.rs
+++ b/compiler/rustc_target/src/spec/aarch64_apple_tvos.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     let base = opts(Arch::Arm64);
     Target {
         llvm_target: "arm64-apple-tvos".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:o-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_fuchsia.rs b/compiler/rustc_target/src/spec/aarch64_fuchsia.rs
index 6850eb6f2df..65254d5d019 100644
--- a/compiler/rustc_target/src/spec/aarch64_fuchsia.rs
+++ b/compiler/rustc_target/src/spec/aarch64_fuchsia.rs
@@ -6,7 +6,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-fuchsia".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_linux_android.rs b/compiler/rustc_target/src/spec/aarch64_linux_android.rs
index 425d1ef1cb9..caf17fe4e0b 100644
--- a/compiler/rustc_target/src/spec/aarch64_linux_android.rs
+++ b/compiler/rustc_target/src/spec/aarch64_linux_android.rs
@@ -11,7 +11,6 @@ pub fn target() -> Target {
     base.features = "+neon,+fp-armv8".to_string();
     Target {
         llvm_target: "aarch64-linux-android".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_pc_windows_msvc.rs b/compiler/rustc_target/src/spec/aarch64_pc_windows_msvc.rs
index ad63284a2a1..382e2b9272a 100644
--- a/compiler/rustc_target/src/spec/aarch64_pc_windows_msvc.rs
+++ b/compiler/rustc_target/src/spec/aarch64_pc_windows_msvc.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-pc-windows-msvc".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_cloudabi.rs b/compiler/rustc_target/src/spec/aarch64_unknown_cloudabi.rs
index bd800a2d730..ab8e5ad0755 100644
--- a/compiler/rustc_target/src/spec/aarch64_unknown_cloudabi.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_cloudabi.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-unknown-cloudabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_freebsd.rs b/compiler/rustc_target/src/spec/aarch64_unknown_freebsd.rs
index e36b6e3fc6e..c2dd63e6fc4 100644
--- a/compiler/rustc_target/src/spec/aarch64_unknown_freebsd.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_freebsd.rs
@@ -6,7 +6,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-unknown-freebsd".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_hermit.rs b/compiler/rustc_target/src/spec/aarch64_unknown_hermit.rs
index 8098267e6ef..541c485f7ac 100644
--- a/compiler/rustc_target/src/spec/aarch64_unknown_hermit.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_hermit.rs
@@ -6,7 +6,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-unknown-hermit".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/aarch64_unknown_linux_gnu.rs
index 48284654906..58b461bf0d6 100644
--- a/compiler/rustc_target/src/spec/aarch64_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_linux_gnu.rs
@@ -6,7 +6,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-unknown-linux-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         target_env: "gnu".to_string(),
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/aarch64_unknown_linux_musl.rs
index 23555b46ca7..391672365f9 100644
--- a/compiler/rustc_target/src/spec/aarch64_unknown_linux_musl.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_linux_musl.rs
@@ -6,7 +6,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-unknown-linux-musl".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         target_env: "musl".to_string(),
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_netbsd.rs b/compiler/rustc_target/src/spec/aarch64_unknown_netbsd.rs
index 6e3eed92866..08b54edf4fd 100644
--- a/compiler/rustc_target/src/spec/aarch64_unknown_netbsd.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_netbsd.rs
@@ -7,7 +7,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-unknown-netbsd".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_none.rs b/compiler/rustc_target/src/spec/aarch64_unknown_none.rs
index c8c4224ac8c..6f24787d8fa 100644
--- a/compiler/rustc_target/src/spec/aarch64_unknown_none.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_none.rs
@@ -23,7 +23,6 @@ pub fn target() -> Target {
     };
     Target {
         llvm_target: "aarch64-unknown-none".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         target_os: "none".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_none_softfloat.rs b/compiler/rustc_target/src/spec/aarch64_unknown_none_softfloat.rs
index 22dd397145b..b72c1600397 100644
--- a/compiler/rustc_target/src/spec/aarch64_unknown_none_softfloat.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_none_softfloat.rs
@@ -23,7 +23,6 @@ pub fn target() -> Target {
     };
     Target {
         llvm_target: "aarch64-unknown-none".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         target_os: "none".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_openbsd.rs b/compiler/rustc_target/src/spec/aarch64_unknown_openbsd.rs
index 56e3d893d20..0f50da1e86c 100644
--- a/compiler/rustc_target/src/spec/aarch64_unknown_openbsd.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_openbsd.rs
@@ -7,7 +7,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-unknown-openbsd".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_redox.rs b/compiler/rustc_target/src/spec/aarch64_unknown_redox.rs
index 9d169043cc3..c2c00af0380 100644
--- a/compiler/rustc_target/src/spec/aarch64_unknown_redox.rs
+++ b/compiler/rustc_target/src/spec/aarch64_unknown_redox.rs
@@ -6,7 +6,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-unknown-redox".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_uwp_windows_msvc.rs b/compiler/rustc_target/src/spec/aarch64_uwp_windows_msvc.rs
index a60186cebd8..143e6651c6b 100644
--- a/compiler/rustc_target/src/spec/aarch64_uwp_windows_msvc.rs
+++ b/compiler/rustc_target/src/spec/aarch64_uwp_windows_msvc.rs
@@ -7,7 +7,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-pc-windows-msvc".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/aarch64_wrs_vxworks.rs b/compiler/rustc_target/src/spec/aarch64_wrs_vxworks.rs
index 96597bc0bca..a0ba61ca83e 100644
--- a/compiler/rustc_target/src/spec/aarch64_wrs_vxworks.rs
+++ b/compiler/rustc_target/src/spec/aarch64_wrs_vxworks.rs
@@ -6,7 +6,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "aarch64-unknown-linux-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
         arch: "aarch64".to_string(),
diff --git a/compiler/rustc_target/src/spec/arm_linux_androideabi.rs b/compiler/rustc_target/src/spec/arm_linux_androideabi.rs
index 87233ebf573..f94b6c7cbba 100644
--- a/compiler/rustc_target/src/spec/arm_linux_androideabi.rs
+++ b/compiler/rustc_target/src/spec/arm_linux_androideabi.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "arm-linux-androideabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/arm_unknown_linux_gnueabi.rs b/compiler/rustc_target/src/spec/arm_unknown_linux_gnueabi.rs
index 7914204c79f..c0751eb4b03 100644
--- a/compiler/rustc_target/src/spec/arm_unknown_linux_gnueabi.rs
+++ b/compiler/rustc_target/src/spec/arm_unknown_linux_gnueabi.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     base.max_atomic_width = Some(64);
     Target {
         llvm_target: "arm-unknown-linux-gnueabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/arm_unknown_linux_gnueabihf.rs b/compiler/rustc_target/src/spec/arm_unknown_linux_gnueabihf.rs
index 47f9a4fbdab..c218b8a033f 100644
--- a/compiler/rustc_target/src/spec/arm_unknown_linux_gnueabihf.rs
+++ b/compiler/rustc_target/src/spec/arm_unknown_linux_gnueabihf.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     base.max_atomic_width = Some(64);
     Target {
         llvm_target: "arm-unknown-linux-gnueabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/arm_unknown_linux_musleabi.rs b/compiler/rustc_target/src/spec/arm_unknown_linux_musleabi.rs
index 31e137d4b42..310a1c96e66 100644
--- a/compiler/rustc_target/src/spec/arm_unknown_linux_musleabi.rs
+++ b/compiler/rustc_target/src/spec/arm_unknown_linux_musleabi.rs
@@ -12,7 +12,6 @@ pub fn target() -> Target {
         // to determine the calling convention and float ABI, and it doesn't
         // support the "musleabi" value.
         llvm_target: "arm-unknown-linux-gnueabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/arm_unknown_linux_musleabihf.rs b/compiler/rustc_target/src/spec/arm_unknown_linux_musleabihf.rs
index 35de9e3fbd0..b48886263fd 100644
--- a/compiler/rustc_target/src/spec/arm_unknown_linux_musleabihf.rs
+++ b/compiler/rustc_target/src/spec/arm_unknown_linux_musleabihf.rs
@@ -12,7 +12,6 @@ pub fn target() -> Target {
         // uses it to determine the calling convention and float ABI, and it
         // doesn't support the "musleabihf" value.
         llvm_target: "arm-unknown-linux-gnueabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armebv7r_none_eabi.rs b/compiler/rustc_target/src/spec/armebv7r_none_eabi.rs
index 8b59a7c4ad7..4f8371b5add 100644
--- a/compiler/rustc_target/src/spec/armebv7r_none_eabi.rs
+++ b/compiler/rustc_target/src/spec/armebv7r_none_eabi.rs
@@ -6,7 +6,6 @@ use crate::spec::{Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "armebv7r-unknown-none-eabi".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
@@ -16,6 +15,7 @@ pub fn target() -> Target {
         linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
 
         options: TargetOptions {
+            target_endian: "big".to_string(),
             executables: true,
             linker: Some("rust-lld".to_owned()),
             relocation_model: RelocModel::Static,
diff --git a/compiler/rustc_target/src/spec/armebv7r_none_eabihf.rs b/compiler/rustc_target/src/spec/armebv7r_none_eabihf.rs
index 2da6422ba8f..6b75e70ce5a 100644
--- a/compiler/rustc_target/src/spec/armebv7r_none_eabihf.rs
+++ b/compiler/rustc_target/src/spec/armebv7r_none_eabihf.rs
@@ -6,7 +6,6 @@ use crate::spec::{Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "armebv7r-unknown-none-eabihf".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
@@ -16,6 +15,7 @@ pub fn target() -> Target {
         linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
 
         options: TargetOptions {
+            target_endian: "big".to_string(),
             executables: true,
             linker: Some("rust-lld".to_owned()),
             relocation_model: RelocModel::Static,
diff --git a/compiler/rustc_target/src/spec/armv4t_unknown_linux_gnueabi.rs b/compiler/rustc_target/src/spec/armv4t_unknown_linux_gnueabi.rs
index 59e22cc3413..cc7f1bb28d1 100644
--- a/compiler/rustc_target/src/spec/armv4t_unknown_linux_gnueabi.rs
+++ b/compiler/rustc_target/src/spec/armv4t_unknown_linux_gnueabi.rs
@@ -4,7 +4,6 @@ pub fn target() -> Target {
     let base = super::linux_base::opts();
     Target {
         llvm_target: "armv4t-unknown-linux-gnueabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv5te_unknown_linux_gnueabi.rs b/compiler/rustc_target/src/spec/armv5te_unknown_linux_gnueabi.rs
index 8a6c1a2b3fb..75e0d4a3db7 100644
--- a/compiler/rustc_target/src/spec/armv5te_unknown_linux_gnueabi.rs
+++ b/compiler/rustc_target/src/spec/armv5te_unknown_linux_gnueabi.rs
@@ -4,7 +4,6 @@ pub fn target() -> Target {
     let base = super::linux_base::opts();
     Target {
         llvm_target: "armv5te-unknown-linux-gnueabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv5te_unknown_linux_musleabi.rs b/compiler/rustc_target/src/spec/armv5te_unknown_linux_musleabi.rs
index 7c637acdc13..834b4b38999 100644
--- a/compiler/rustc_target/src/spec/armv5te_unknown_linux_musleabi.rs
+++ b/compiler/rustc_target/src/spec/armv5te_unknown_linux_musleabi.rs
@@ -7,7 +7,6 @@ pub fn target() -> Target {
         // uses it to determine the calling convention and float ABI, and LLVM
         // doesn't support the "musleabihf" value.
         llvm_target: "armv5te-unknown-linux-gnueabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv6_unknown_freebsd.rs b/compiler/rustc_target/src/spec/armv6_unknown_freebsd.rs
index f81108753b8..1cd6fae2152 100644
--- a/compiler/rustc_target/src/spec/armv6_unknown_freebsd.rs
+++ b/compiler/rustc_target/src/spec/armv6_unknown_freebsd.rs
@@ -4,7 +4,6 @@ pub fn target() -> Target {
     let base = super::freebsd_base::opts();
     Target {
         llvm_target: "armv6-unknown-freebsd-gnueabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv6_unknown_netbsd_eabihf.rs b/compiler/rustc_target/src/spec/armv6_unknown_netbsd_eabihf.rs
index 9aafd3a2837..9cda9945726 100644
--- a/compiler/rustc_target/src/spec/armv6_unknown_netbsd_eabihf.rs
+++ b/compiler/rustc_target/src/spec/armv6_unknown_netbsd_eabihf.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     base.max_atomic_width = Some(64);
     Target {
         llvm_target: "armv6-unknown-netbsdelf-eabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7_apple_ios.rs b/compiler/rustc_target/src/spec/armv7_apple_ios.rs
index 03465ac439e..3df6c2f7c56 100644
--- a/compiler/rustc_target/src/spec/armv7_apple_ios.rs
+++ b/compiler/rustc_target/src/spec/armv7_apple_ios.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     let base = opts(Arch::Armv7);
     Target {
         llvm_target: "armv7-apple-ios".to_string(),
-        target_endian: "little".to_string(),
         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".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7_linux_androideabi.rs b/compiler/rustc_target/src/spec/armv7_linux_androideabi.rs
index e210e36d1e1..34ffe21d0cf 100644
--- a/compiler/rustc_target/src/spec/armv7_linux_androideabi.rs
+++ b/compiler/rustc_target/src/spec/armv7_linux_androideabi.rs
@@ -16,7 +16,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "armv7-none-linux-android".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7_unknown_cloudabi_eabihf.rs b/compiler/rustc_target/src/spec/armv7_unknown_cloudabi_eabihf.rs
index 72604008615..e29b9bfee12 100644
--- a/compiler/rustc_target/src/spec/armv7_unknown_cloudabi_eabihf.rs
+++ b/compiler/rustc_target/src/spec/armv7_unknown_cloudabi_eabihf.rs
@@ -10,7 +10,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "armv7-unknown-cloudabi-eabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7_unknown_freebsd.rs b/compiler/rustc_target/src/spec/armv7_unknown_freebsd.rs
index 7ce45670f6b..ca96dccc847 100644
--- a/compiler/rustc_target/src/spec/armv7_unknown_freebsd.rs
+++ b/compiler/rustc_target/src/spec/armv7_unknown_freebsd.rs
@@ -4,7 +4,6 @@ pub fn target() -> Target {
     let base = super::freebsd_base::opts();
     Target {
         llvm_target: "armv7-unknown-freebsd-gnueabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabi.rs b/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabi.rs
index 630c9b3ba6a..b0251a3d9cb 100644
--- a/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabi.rs
+++ b/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabi.rs
@@ -7,7 +7,6 @@ pub fn target() -> Target {
     let base = super::linux_base::opts();
     Target {
         llvm_target: "armv7-unknown-linux-gnueabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabihf.rs b/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabihf.rs
index f3d21d2f009..97c2fe21d33 100644
--- a/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabihf.rs
+++ b/compiler/rustc_target/src/spec/armv7_unknown_linux_gnueabihf.rs
@@ -7,7 +7,6 @@ pub fn target() -> Target {
     let base = super::linux_base::opts();
     Target {
         llvm_target: "armv7-unknown-linux-gnueabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabi.rs b/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabi.rs
index 3d2d62284be..095a7c80879 100644
--- a/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabi.rs
+++ b/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabi.rs
@@ -12,7 +12,6 @@ pub fn target() -> Target {
         // to determine the calling convention and float ABI, and it doesn't
         // support the "musleabi" value.
         llvm_target: "armv7-unknown-linux-gnueabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabihf.rs b/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabihf.rs
index 1ebb73476f4..414ab7fccf7 100644
--- a/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabihf.rs
+++ b/compiler/rustc_target/src/spec/armv7_unknown_linux_musleabihf.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
         // uses it to determine the calling convention and float ABI, and LLVM
         // doesn't support the "musleabihf" value.
         llvm_target: "armv7-unknown-linux-gnueabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7_unknown_netbsd_eabihf.rs b/compiler/rustc_target/src/spec/armv7_unknown_netbsd_eabihf.rs
index f2ec067a671..c25a23d8231 100644
--- a/compiler/rustc_target/src/spec/armv7_unknown_netbsd_eabihf.rs
+++ b/compiler/rustc_target/src/spec/armv7_unknown_netbsd_eabihf.rs
@@ -4,7 +4,6 @@ pub fn target() -> Target {
     let base = super::netbsd_base::opts();
     Target {
         llvm_target: "armv7-unknown-netbsdelf-eabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7_wrs_vxworks_eabihf.rs b/compiler/rustc_target/src/spec/armv7_wrs_vxworks_eabihf.rs
index 29f15687638..e40086dfea4 100644
--- a/compiler/rustc_target/src/spec/armv7_wrs_vxworks_eabihf.rs
+++ b/compiler/rustc_target/src/spec/armv7_wrs_vxworks_eabihf.rs
@@ -4,7 +4,6 @@ pub fn target() -> Target {
     let base = super::vxworks_base::opts();
     Target {
         llvm_target: "armv7-unknown-linux-gnueabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7a_none_eabi.rs b/compiler/rustc_target/src/spec/armv7a_none_eabi.rs
index 0391dd7e86f..c84dbcace72 100644
--- a/compiler/rustc_target/src/spec/armv7a_none_eabi.rs
+++ b/compiler/rustc_target/src/spec/armv7a_none_eabi.rs
@@ -34,7 +34,6 @@ pub fn target() -> Target {
     };
     Target {
         llvm_target: "armv7a-none-eabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         target_os: "none".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/armv7a_none_eabihf.rs b/compiler/rustc_target/src/spec/armv7a_none_eabihf.rs
index dcaae8e41bd..432b841ca7d 100644
--- a/compiler/rustc_target/src/spec/armv7a_none_eabihf.rs
+++ b/compiler/rustc_target/src/spec/armv7a_none_eabihf.rs
@@ -22,7 +22,6 @@ pub fn target() -> Target {
     };
     Target {
         llvm_target: "armv7a-none-eabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         target_os: "none".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/armv7r_none_eabi.rs b/compiler/rustc_target/src/spec/armv7r_none_eabi.rs
index 9ed81d400a0..54f105639ff 100644
--- a/compiler/rustc_target/src/spec/armv7r_none_eabi.rs
+++ b/compiler/rustc_target/src/spec/armv7r_none_eabi.rs
@@ -6,7 +6,6 @@ use crate::spec::{Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "armv7r-unknown-none-eabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7r_none_eabihf.rs b/compiler/rustc_target/src/spec/armv7r_none_eabihf.rs
index 572bc033c00..7efc0e31da1 100644
--- a/compiler/rustc_target/src/spec/armv7r_none_eabihf.rs
+++ b/compiler/rustc_target/src/spec/armv7r_none_eabihf.rs
@@ -6,7 +6,6 @@ use crate::spec::{Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "armv7r-unknown-none-eabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/armv7s_apple_ios.rs b/compiler/rustc_target/src/spec/armv7s_apple_ios.rs
index 62bc45e9120..85892eaf065 100644
--- a/compiler/rustc_target/src/spec/armv7s_apple_ios.rs
+++ b/compiler/rustc_target/src/spec/armv7s_apple_ios.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     let base = opts(Arch::Armv7s);
     Target {
         llvm_target: "armv7s-apple-ios".to_string(),
-        target_endian: "little".to_string(),
         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".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/avr_gnu_base.rs b/compiler/rustc_target/src/spec/avr_gnu_base.rs
index fd597ca89b1..e2340efadef 100644
--- a/compiler/rustc_target/src/spec/avr_gnu_base.rs
+++ b/compiler/rustc_target/src/spec/avr_gnu_base.rs
@@ -8,7 +8,6 @@ pub fn target(target_cpu: String) -> Target {
         arch: "avr".to_string(),
         data_layout: "e-P1-p:16:8-i8:8-i16:8-i32:8-i64:8-f32:8-f64:8-n8-a:8".to_string(),
         llvm_target: "avr-unknown-unknown".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 16,
         linker_flavor: LinkerFlavor::Gcc,
         target_os: "unknown".to_string(),
diff --git a/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs
index 13a67ef550e..f7df7fcff76 100644
--- a/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs
+++ b/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs
@@ -19,7 +19,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "hexagon-unknown-linux-musl".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: concat!(
             "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32",
diff --git a/compiler/rustc_target/src/spec/i386_apple_ios.rs b/compiler/rustc_target/src/spec/i386_apple_ios.rs
index 911ee27495e..e3e13585af3 100644
--- a/compiler/rustc_target/src/spec/i386_apple_ios.rs
+++ b/compiler/rustc_target/src/spec/i386_apple_ios.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     let base = opts(Arch::I386);
     Target {
         llvm_target: "i386-apple-ios".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:o-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             f64:32:64-f80:128-n8:16:32-S128"
diff --git a/compiler/rustc_target/src/spec/i686_apple_darwin.rs b/compiler/rustc_target/src/spec/i686_apple_darwin.rs
index c7db4f8bf7e..2f5a3da57ab 100644
--- a/compiler/rustc_target/src/spec/i686_apple_darwin.rs
+++ b/compiler/rustc_target/src/spec/i686_apple_darwin.rs
@@ -17,7 +17,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target,
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:o-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             f64:32:64-f80:128-n8:16:32-S128"
diff --git a/compiler/rustc_target/src/spec/i686_linux_android.rs b/compiler/rustc_target/src/spec/i686_linux_android.rs
index 44f74382033..f973ec163b1 100644
--- a/compiler/rustc_target/src/spec/i686_linux_android.rs
+++ b/compiler/rustc_target/src/spec/i686_linux_android.rs
@@ -15,7 +15,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-linux-android".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             f64:32:64-f80:32-n8:16:32-S128"
diff --git a/compiler/rustc_target/src/spec/i686_pc_windows_gnu.rs b/compiler/rustc_target/src/spec/i686_pc_windows_gnu.rs
index b4b6f3af1f7..05cd6495448 100644
--- a/compiler/rustc_target/src/spec/i686_pc_windows_gnu.rs
+++ b/compiler/rustc_target/src/spec/i686_pc_windows_gnu.rs
@@ -18,7 +18,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-pc-windows-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             i64:64-f80:32-n8:16:32-a:0:32-S32"
diff --git a/compiler/rustc_target/src/spec/i686_pc_windows_msvc.rs b/compiler/rustc_target/src/spec/i686_pc_windows_msvc.rs
index 9ff53d8f890..a9496dc0636 100644
--- a/compiler/rustc_target/src/spec/i686_pc_windows_msvc.rs
+++ b/compiler/rustc_target/src/spec/i686_pc_windows_msvc.rs
@@ -22,7 +22,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-pc-windows-msvc".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             i64:64-f80:32-n8:16:32-a:0:32-S32"
diff --git a/compiler/rustc_target/src/spec/i686_unknown_cloudabi.rs b/compiler/rustc_target/src/spec/i686_unknown_cloudabi.rs
index 2b66a178d0c..1e7cafe785e 100644
--- a/compiler/rustc_target/src/spec/i686_unknown_cloudabi.rs
+++ b/compiler/rustc_target/src/spec/i686_unknown_cloudabi.rs
@@ -10,7 +10,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-unknown-cloudabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             f64:32:64-f80:32-n8:16:32-S128"
diff --git a/compiler/rustc_target/src/spec/i686_unknown_freebsd.rs b/compiler/rustc_target/src/spec/i686_unknown_freebsd.rs
index 1e3f767acc9..7b03fbae90b 100644
--- a/compiler/rustc_target/src/spec/i686_unknown_freebsd.rs
+++ b/compiler/rustc_target/src/spec/i686_unknown_freebsd.rs
@@ -11,7 +11,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-unknown-freebsd".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             f64:32:64-f80:32-n8:16:32-S128"
diff --git a/compiler/rustc_target/src/spec/i686_unknown_haiku.rs b/compiler/rustc_target/src/spec/i686_unknown_haiku.rs
index 21afe751f80..5e26a6f5540 100644
--- a/compiler/rustc_target/src/spec/i686_unknown_haiku.rs
+++ b/compiler/rustc_target/src/spec/i686_unknown_haiku.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-unknown-haiku".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             f64:32:64-f80:32-n8:16:32-S128"
diff --git a/compiler/rustc_target/src/spec/i686_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/i686_unknown_linux_gnu.rs
index 7f068b6e888..209446e9851 100644
--- a/compiler/rustc_target/src/spec/i686_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/i686_unknown_linux_gnu.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-unknown-linux-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             f64:32:64-f80:32-n8:16:32-S128"
diff --git a/compiler/rustc_target/src/spec/i686_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/i686_unknown_linux_musl.rs
index 04f308edcfe..11f23e50233 100644
--- a/compiler/rustc_target/src/spec/i686_unknown_linux_musl.rs
+++ b/compiler/rustc_target/src/spec/i686_unknown_linux_musl.rs
@@ -24,7 +24,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-unknown-linux-musl".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             f64:32:64-f80:32-n8:16:32-S128"
diff --git a/compiler/rustc_target/src/spec/i686_unknown_netbsd.rs b/compiler/rustc_target/src/spec/i686_unknown_netbsd.rs
index e73d9c0bd88..7f94e9d65ae 100644
--- a/compiler/rustc_target/src/spec/i686_unknown_netbsd.rs
+++ b/compiler/rustc_target/src/spec/i686_unknown_netbsd.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-unknown-netbsdelf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             f64:32:64-f80:32-n8:16:32-S128"
diff --git a/compiler/rustc_target/src/spec/i686_unknown_openbsd.rs b/compiler/rustc_target/src/spec/i686_unknown_openbsd.rs
index a673f0e2911..8fc72fa3b8f 100644
--- a/compiler/rustc_target/src/spec/i686_unknown_openbsd.rs
+++ b/compiler/rustc_target/src/spec/i686_unknown_openbsd.rs
@@ -10,7 +10,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-unknown-openbsd".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             f64:32:64-f80:32-n8:16:32-S128"
diff --git a/compiler/rustc_target/src/spec/i686_unknown_uefi.rs b/compiler/rustc_target/src/spec/i686_unknown_uefi.rs
index 7ede7954901..fcc1e77600f 100644
--- a/compiler/rustc_target/src/spec/i686_unknown_uefi.rs
+++ b/compiler/rustc_target/src/spec/i686_unknown_uefi.rs
@@ -78,7 +78,6 @@ pub fn target() -> Target {
     // remove -gnu and use the default one.
     Target {
         llvm_target: "i686-unknown-windows-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             i64:64-f80:32-n8:16:32-a:0:32-S32"
diff --git a/compiler/rustc_target/src/spec/i686_uwp_windows_gnu.rs b/compiler/rustc_target/src/spec/i686_uwp_windows_gnu.rs
index 687ead31526..1c8791974e6 100644
--- a/compiler/rustc_target/src/spec/i686_uwp_windows_gnu.rs
+++ b/compiler/rustc_target/src/spec/i686_uwp_windows_gnu.rs
@@ -17,7 +17,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-pc-windows-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             i64:64-f80:32-n8:16:32-a:0:32-S32"
diff --git a/compiler/rustc_target/src/spec/i686_uwp_windows_msvc.rs b/compiler/rustc_target/src/spec/i686_uwp_windows_msvc.rs
index fade8655e92..962c69860ca 100644
--- a/compiler/rustc_target/src/spec/i686_uwp_windows_msvc.rs
+++ b/compiler/rustc_target/src/spec/i686_uwp_windows_msvc.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-pc-windows-msvc".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:x-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             i64:64-f80:32-n8:16:32-a:0:32-S32"
diff --git a/compiler/rustc_target/src/spec/i686_wrs_vxworks.rs b/compiler/rustc_target/src/spec/i686_wrs_vxworks.rs
index 5226bab1e6b..86c5ca1adbc 100644
--- a/compiler/rustc_target/src/spec/i686_wrs_vxworks.rs
+++ b/compiler/rustc_target/src/spec/i686_wrs_vxworks.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "i686-unknown-linux-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             f64:32:64-f80:32-n8:16:32-S128"
diff --git a/compiler/rustc_target/src/spec/mips64_unknown_linux_gnuabi64.rs b/compiler/rustc_target/src/spec/mips64_unknown_linux_gnuabi64.rs
index 64d86acd69a..e27d7d073bc 100644
--- a/compiler/rustc_target/src/spec/mips64_unknown_linux_gnuabi64.rs
+++ b/compiler/rustc_target/src/spec/mips64_unknown_linux_gnuabi64.rs
@@ -3,7 +3,6 @@ use crate::spec::{LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "mips64-unknown-linux-gnuabi64".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128".to_string(),
         arch: "mips64".to_string(),
@@ -12,6 +11,7 @@ pub fn target() -> Target {
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
+            target_endian: "big".to_string(),
             // NOTE(mips64r2) matches C toolchain
             cpu: "mips64r2".to_string(),
             features: "+mips64r2".to_string(),
diff --git a/compiler/rustc_target/src/spec/mips64_unknown_linux_muslabi64.rs b/compiler/rustc_target/src/spec/mips64_unknown_linux_muslabi64.rs
index 31047ce220c..f40f0e587ad 100644
--- a/compiler/rustc_target/src/spec/mips64_unknown_linux_muslabi64.rs
+++ b/compiler/rustc_target/src/spec/mips64_unknown_linux_muslabi64.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
     Target {
         // LLVM doesn't recognize "muslabi64" yet.
         llvm_target: "mips64-unknown-linux-musl".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128".to_string(),
         arch: "mips64".to_string(),
@@ -16,6 +15,10 @@ pub fn target() -> Target {
         target_env: "musl".to_string(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { target_mcount: "_mcount".to_string(), ..base },
+        options: TargetOptions {
+            target_endian: "big".to_string(),
+            target_mcount: "_mcount".to_string(),
+            ..base
+        },
     }
 }
diff --git a/compiler/rustc_target/src/spec/mips64el_unknown_linux_gnuabi64.rs b/compiler/rustc_target/src/spec/mips64el_unknown_linux_gnuabi64.rs
index 11141cd8fdc..a54d0e4c307 100644
--- a/compiler/rustc_target/src/spec/mips64el_unknown_linux_gnuabi64.rs
+++ b/compiler/rustc_target/src/spec/mips64el_unknown_linux_gnuabi64.rs
@@ -3,7 +3,6 @@ use crate::spec::{LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "mips64el-unknown-linux-gnuabi64".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128".to_string(),
         arch: "mips64".to_string(),
diff --git a/compiler/rustc_target/src/spec/mips64el_unknown_linux_muslabi64.rs b/compiler/rustc_target/src/spec/mips64el_unknown_linux_muslabi64.rs
index f08c2a5dc0e..b9971c1ebb6 100644
--- a/compiler/rustc_target/src/spec/mips64el_unknown_linux_muslabi64.rs
+++ b/compiler/rustc_target/src/spec/mips64el_unknown_linux_muslabi64.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
     Target {
         // LLVM doesn't recognize "muslabi64" yet.
         llvm_target: "mips64el-unknown-linux-musl".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128".to_string(),
         arch: "mips64".to_string(),
diff --git a/compiler/rustc_target/src/spec/mips_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/mips_unknown_linux_gnu.rs
index 5cfa34567ea..2eaed76e504 100644
--- a/compiler/rustc_target/src/spec/mips_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/mips_unknown_linux_gnu.rs
@@ -3,7 +3,6 @@ use crate::spec::{LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "mips-unknown-linux-gnu".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".to_string(),
         arch: "mips".to_string(),
@@ -12,6 +11,7 @@ pub fn target() -> Target {
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
+            target_endian: "big".to_string(),
             cpu: "mips32r2".to_string(),
             features: "+mips32r2,+fpxx,+nooddspreg".to_string(),
             max_atomic_width: Some(32),
diff --git a/compiler/rustc_target/src/spec/mips_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/mips_unknown_linux_musl.rs
index 91344ce47ed..47be91a89c7 100644
--- a/compiler/rustc_target/src/spec/mips_unknown_linux_musl.rs
+++ b/compiler/rustc_target/src/spec/mips_unknown_linux_musl.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
     base.crt_static_default = false;
     Target {
         llvm_target: "mips-unknown-linux-musl".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".to_string(),
         arch: "mips".to_string(),
@@ -16,6 +15,10 @@ pub fn target() -> Target {
         target_env: "musl".to_string(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { target_mcount: "_mcount".to_string(), ..base },
+        options: TargetOptions {
+            target_endian: "big".to_string(),
+            target_mcount: "_mcount".to_string(),
+            ..base
+        },
     }
 }
diff --git a/compiler/rustc_target/src/spec/mips_unknown_linux_uclibc.rs b/compiler/rustc_target/src/spec/mips_unknown_linux_uclibc.rs
index bb3b07bb941..8f5302a1687 100644
--- a/compiler/rustc_target/src/spec/mips_unknown_linux_uclibc.rs
+++ b/compiler/rustc_target/src/spec/mips_unknown_linux_uclibc.rs
@@ -3,7 +3,6 @@ use crate::spec::{LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "mips-unknown-linux-uclibc".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".to_string(),
         arch: "mips".to_string(),
@@ -12,6 +11,7 @@ pub fn target() -> Target {
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
+            target_endian: "big".to_string(),
             cpu: "mips32r2".to_string(),
             features: "+mips32r2,+soft-float".to_string(),
             max_atomic_width: Some(32),
diff --git a/compiler/rustc_target/src/spec/mipsel_sony_psp.rs b/compiler/rustc_target/src/spec/mipsel_sony_psp.rs
index c3d7c0d43fc..05828f738e5 100644
--- a/compiler/rustc_target/src/spec/mipsel_sony_psp.rs
+++ b/compiler/rustc_target/src/spec/mipsel_sony_psp.rs
@@ -10,7 +10,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "mipsel-sony-psp".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".to_string(),
         arch: "mips".to_string(),
diff --git a/compiler/rustc_target/src/spec/mipsel_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/mipsel_unknown_linux_gnu.rs
index 7005a7edc6b..81178dd23d7 100644
--- a/compiler/rustc_target/src/spec/mipsel_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/mipsel_unknown_linux_gnu.rs
@@ -3,7 +3,6 @@ use crate::spec::{LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "mipsel-unknown-linux-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".to_string(),
         arch: "mips".to_string(),
diff --git a/compiler/rustc_target/src/spec/mipsel_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/mipsel_unknown_linux_musl.rs
index 7ac2485e128..68660dfb6e8 100644
--- a/compiler/rustc_target/src/spec/mipsel_unknown_linux_musl.rs
+++ b/compiler/rustc_target/src/spec/mipsel_unknown_linux_musl.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
     base.crt_static_default = false;
     Target {
         llvm_target: "mipsel-unknown-linux-musl".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".to_string(),
         arch: "mips".to_string(),
diff --git a/compiler/rustc_target/src/spec/mipsel_unknown_linux_uclibc.rs b/compiler/rustc_target/src/spec/mipsel_unknown_linux_uclibc.rs
index 89693af7ba9..80a93ade583 100644
--- a/compiler/rustc_target/src/spec/mipsel_unknown_linux_uclibc.rs
+++ b/compiler/rustc_target/src/spec/mipsel_unknown_linux_uclibc.rs
@@ -3,7 +3,6 @@ use crate::spec::{LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "mipsel-unknown-linux-uclibc".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".to_string(),
         arch: "mips".to_string(),
diff --git a/compiler/rustc_target/src/spec/mipsisa32r6_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/mipsisa32r6_unknown_linux_gnu.rs
index 55e91318f70..bd6ad56f4de 100644
--- a/compiler/rustc_target/src/spec/mipsisa32r6_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/mipsisa32r6_unknown_linux_gnu.rs
@@ -3,7 +3,6 @@ use crate::spec::{LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "mipsisa32r6-unknown-linux-gnu".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".to_string(),
         arch: "mips".to_string(),
@@ -12,6 +11,7 @@ pub fn target() -> Target {
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
+            target_endian: "big".to_string(),
             cpu: "mips32r6".to_string(),
             features: "+mips32r6".to_string(),
             max_atomic_width: Some(32),
diff --git a/compiler/rustc_target/src/spec/mipsisa32r6el_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/mipsisa32r6el_unknown_linux_gnu.rs
index f0c85cbb775..6ae972af070 100644
--- a/compiler/rustc_target/src/spec/mipsisa32r6el_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/mipsisa32r6el_unknown_linux_gnu.rs
@@ -3,7 +3,6 @@ use crate::spec::{LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "mipsisa32r6el-unknown-linux-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".to_string(),
         arch: "mips".to_string(),
diff --git a/compiler/rustc_target/src/spec/mipsisa64r6_unknown_linux_gnuabi64.rs b/compiler/rustc_target/src/spec/mipsisa64r6_unknown_linux_gnuabi64.rs
index 4bf442d5ab8..278ffff40bc 100644
--- a/compiler/rustc_target/src/spec/mipsisa64r6_unknown_linux_gnuabi64.rs
+++ b/compiler/rustc_target/src/spec/mipsisa64r6_unknown_linux_gnuabi64.rs
@@ -3,7 +3,6 @@ use crate::spec::{LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "mipsisa64r6-unknown-linux-gnuabi64".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128".to_string(),
         arch: "mips64".to_string(),
@@ -12,6 +11,7 @@ pub fn target() -> Target {
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
+            target_endian: "big".to_string(),
             // NOTE(mips64r6) matches C toolchain
             cpu: "mips64r6".to_string(),
             features: "+mips64r6".to_string(),
diff --git a/compiler/rustc_target/src/spec/mipsisa64r6el_unknown_linux_gnuabi64.rs b/compiler/rustc_target/src/spec/mipsisa64r6el_unknown_linux_gnuabi64.rs
index 8a44545813f..4d785b309cf 100644
--- a/compiler/rustc_target/src/spec/mipsisa64r6el_unknown_linux_gnuabi64.rs
+++ b/compiler/rustc_target/src/spec/mipsisa64r6el_unknown_linux_gnuabi64.rs
@@ -3,7 +3,6 @@ use crate::spec::{LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "mipsisa64r6el-unknown-linux-gnuabi64".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128".to_string(),
         arch: "mips64".to_string(),
diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs
index 3de6b17a152..08e3949c728 100644
--- a/compiler/rustc_target/src/spec/mod.rs
+++ b/compiler/rustc_target/src/spec/mod.rs
@@ -665,8 +665,6 @@ supported_targets! {
 pub struct Target {
     /// Target triple to pass to LLVM.
     pub llvm_target: String,
-    /// String to use as the `target_endian` `cfg` variable.
-    pub target_endian: String,
     /// Number of bits in a pointer. Influences the `target_pointer_width` `cfg` variable.
     pub pointer_width: u32,
     /// OS name to use for conditional compilation.
@@ -706,7 +704,9 @@ pub struct TargetOptions {
     /// Whether the target is built-in or loaded from a custom target specification.
     pub is_builtin: bool,
 
-    /// Width of c_int type
+    /// String to use as the `target_endian` `cfg` variable. Defaults to "little".
+    pub target_endian: String,
+    /// Width of c_int type. Defaults to "32".
     pub target_c_int_width: String,
 
     /// Linker to invoke
@@ -987,6 +987,7 @@ impl Default for TargetOptions {
     fn default() -> TargetOptions {
         TargetOptions {
             is_builtin: false,
+            target_endian: "little".to_string(),
             target_c_int_width: "32".to_string(),
             linker: option_env!("CFG_DEFAULT_LINKER").map(|s| s.to_string()),
             lld_flavor: LldFlavor::Ld,
@@ -1158,7 +1159,6 @@ impl Target {
 
         let mut base = Target {
             llvm_target: get_req_field("llvm-target")?,
-            target_endian: get_req_field("target-endian")?,
             pointer_width: get_req_field("target-pointer-width")?
                 .parse::<u32>()
                 .map_err(|_| "target-pointer-width must be an integer".to_string())?,
@@ -1405,6 +1405,7 @@ impl Target {
         }
 
         key!(is_builtin, bool);
+        key!(target_endian);
         key!(target_c_int_width);
         key!(linker, optional);
         key!(lld_flavor, LldFlavor)?;
@@ -1633,7 +1634,6 @@ impl ToJson for Target {
         }
 
         target_val!(llvm_target);
-        target_val!(target_endian);
         d.insert("target-pointer-width".to_string(), self.pointer_width.to_string().to_json());
         target_val!(arch);
         target_val!(target_os, "os");
@@ -1642,6 +1642,7 @@ impl ToJson for Target {
         target_val!(data_layout);
         target_val!(linker_flavor);
 
+        target_option_val!(target_endian);
         target_option_val!(target_c_int_width);
         target_option_val!(is_builtin);
         target_option_val!(linker);
diff --git a/compiler/rustc_target/src/spec/msp430_none_elf.rs b/compiler/rustc_target/src/spec/msp430_none_elf.rs
index 5b2749f73dc..9170077dcec 100644
--- a/compiler/rustc_target/src/spec/msp430_none_elf.rs
+++ b/compiler/rustc_target/src/spec/msp430_none_elf.rs
@@ -3,7 +3,6 @@ use crate::spec::{LinkerFlavor, PanicStrategy, RelocModel, Target, TargetOptions
 pub fn target() -> Target {
     Target {
         llvm_target: "msp430-none-elf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 16,
         data_layout: "e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16".to_string(),
         arch: "msp430".to_string(),
diff --git a/compiler/rustc_target/src/spec/nvptx64_nvidia_cuda.rs b/compiler/rustc_target/src/spec/nvptx64_nvidia_cuda.rs
index 8387411bd87..315138878f7 100644
--- a/compiler/rustc_target/src/spec/nvptx64_nvidia_cuda.rs
+++ b/compiler/rustc_target/src/spec/nvptx64_nvidia_cuda.rs
@@ -13,7 +13,6 @@ pub fn target() -> Target {
 
         linker_flavor: LinkerFlavor::PtxLinker,
 
-        target_endian: "little".to_string(),
         pointer_width: 64,
 
         options: TargetOptions {
diff --git a/compiler/rustc_target/src/spec/powerpc64_unknown_freebsd.rs b/compiler/rustc_target/src/spec/powerpc64_unknown_freebsd.rs
index 6cda45828fa..803c079db54 100644
--- a/compiler/rustc_target/src/spec/powerpc64_unknown_freebsd.rs
+++ b/compiler/rustc_target/src/spec/powerpc64_unknown_freebsd.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc64-unknown-freebsd".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i64:64-n32:64".to_string(),
         arch: "powerpc64".to_string(),
@@ -16,6 +15,10 @@ pub fn target() -> Target {
         target_env: String::new(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { target_mcount: "_mcount".to_string(), ..base },
+        options: TargetOptions {
+            target_endian: "big".to_string(),
+            target_mcount: "_mcount".to_string(),
+            ..base
+        },
     }
 }
diff --git a/compiler/rustc_target/src/spec/powerpc64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/powerpc64_unknown_linux_gnu.rs
index 892efc5fbaa..cf5a10d1152 100644
--- a/compiler/rustc_target/src/spec/powerpc64_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/powerpc64_unknown_linux_gnu.rs
@@ -12,7 +12,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc64-unknown-linux-gnu".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i64:64-n32:64".to_string(),
         arch: "powerpc64".to_string(),
@@ -20,6 +19,10 @@ pub fn target() -> Target {
         target_env: "gnu".to_string(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { target_mcount: "_mcount".to_string(), ..base },
+        options: TargetOptions {
+            target_endian: "big".to_string(),
+            target_mcount: "_mcount".to_string(),
+            ..base
+        },
     }
 }
diff --git a/compiler/rustc_target/src/spec/powerpc64_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/powerpc64_unknown_linux_musl.rs
index b23c131e761..635a0e78d01 100644
--- a/compiler/rustc_target/src/spec/powerpc64_unknown_linux_musl.rs
+++ b/compiler/rustc_target/src/spec/powerpc64_unknown_linux_musl.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc64-unknown-linux-musl".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i64:64-n32:64".to_string(),
         arch: "powerpc64".to_string(),
@@ -16,6 +15,10 @@ pub fn target() -> Target {
         target_env: "musl".to_string(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { target_mcount: "_mcount".to_string(), ..base },
+        options: TargetOptions {
+            target_endian: "big".to_string(),
+            target_mcount: "_mcount".to_string(),
+            ..base
+        },
     }
 }
diff --git a/compiler/rustc_target/src/spec/powerpc64_wrs_vxworks.rs b/compiler/rustc_target/src/spec/powerpc64_wrs_vxworks.rs
index c29ff00daa0..fcf9bfdd20d 100644
--- a/compiler/rustc_target/src/spec/powerpc64_wrs_vxworks.rs
+++ b/compiler/rustc_target/src/spec/powerpc64_wrs_vxworks.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc64-unknown-linux-gnu".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i64:64-n32:64".to_string(),
         arch: "powerpc64".to_string(),
@@ -16,6 +15,6 @@ pub fn target() -> Target {
         target_env: "gnu".to_string(),
         target_vendor: "wrs".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { ..base },
+        options: TargetOptions { target_endian: "big".to_string(), ..base },
     }
 }
diff --git a/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_gnu.rs
index 0e854d55218..11fafa1201b 100644
--- a/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_gnu.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc64le-unknown-linux-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i64:64-n32:64".to_string(),
         arch: "powerpc64".to_string(),
diff --git a/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_musl.rs
index 242041c7657..23812b72340 100644
--- a/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_musl.rs
+++ b/compiler/rustc_target/src/spec/powerpc64le_unknown_linux_musl.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc64le-unknown-linux-musl".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-i64:64-n32:64".to_string(),
         arch: "powerpc64".to_string(),
diff --git a/compiler/rustc_target/src/spec/powerpc_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/powerpc_unknown_linux_gnu.rs
index 797216cc8c7..45525b9ba9a 100644
--- a/compiler/rustc_target/src/spec/powerpc_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/powerpc_unknown_linux_gnu.rs
@@ -7,7 +7,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc-unknown-linux-gnu".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:e-p:32:32-i64:64-n32".to_string(),
         arch: "powerpc".to_string(),
@@ -15,6 +14,10 @@ pub fn target() -> Target {
         target_env: "gnu".to_string(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { target_mcount: "_mcount".to_string(), ..base },
+        options: TargetOptions {
+            target_endian: "big".to_string(),
+            target_mcount: "_mcount".to_string(),
+            ..base
+        },
     }
 }
diff --git a/compiler/rustc_target/src/spec/powerpc_unknown_linux_gnuspe.rs b/compiler/rustc_target/src/spec/powerpc_unknown_linux_gnuspe.rs
index 6b479c80f26..677e9bae83a 100644
--- a/compiler/rustc_target/src/spec/powerpc_unknown_linux_gnuspe.rs
+++ b/compiler/rustc_target/src/spec/powerpc_unknown_linux_gnuspe.rs
@@ -7,7 +7,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc-unknown-linux-gnuspe".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:e-p:32:32-i64:64-n32".to_string(),
         arch: "powerpc".to_string(),
@@ -15,6 +14,10 @@ pub fn target() -> Target {
         target_env: "gnu".to_string(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { target_mcount: "_mcount".to_string(), ..base },
+        options: TargetOptions {
+            target_endian: "big".to_string(),
+            target_mcount: "_mcount".to_string(),
+            ..base
+        },
     }
 }
diff --git a/compiler/rustc_target/src/spec/powerpc_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/powerpc_unknown_linux_musl.rs
index cf3c0bf58e7..243ab7f666b 100644
--- a/compiler/rustc_target/src/spec/powerpc_unknown_linux_musl.rs
+++ b/compiler/rustc_target/src/spec/powerpc_unknown_linux_musl.rs
@@ -7,7 +7,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc-unknown-linux-musl".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:e-p:32:32-i64:64-n32".to_string(),
         arch: "powerpc".to_string(),
@@ -15,6 +14,10 @@ pub fn target() -> Target {
         target_env: "musl".to_string(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { target_mcount: "_mcount".to_string(), ..base },
+        options: TargetOptions {
+            target_endian: "big".to_string(),
+            target_mcount: "_mcount".to_string(),
+            ..base
+        },
     }
 }
diff --git a/compiler/rustc_target/src/spec/powerpc_unknown_netbsd.rs b/compiler/rustc_target/src/spec/powerpc_unknown_netbsd.rs
index b31154500d7..ef842375b17 100644
--- a/compiler/rustc_target/src/spec/powerpc_unknown_netbsd.rs
+++ b/compiler/rustc_target/src/spec/powerpc_unknown_netbsd.rs
@@ -7,7 +7,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc-unknown-netbsd".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:e-p:32:32-i64:64-n32".to_string(),
         arch: "powerpc".to_string(),
@@ -15,6 +14,10 @@ pub fn target() -> Target {
         target_env: String::new(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { target_mcount: "__mcount".to_string(), ..base },
+        options: TargetOptions {
+            target_endian: "big".to_string(),
+            target_mcount: "__mcount".to_string(),
+            ..base
+        },
     }
 }
diff --git a/compiler/rustc_target/src/spec/powerpc_wrs_vxworks.rs b/compiler/rustc_target/src/spec/powerpc_wrs_vxworks.rs
index a442ab31c60..3e940377ae5 100644
--- a/compiler/rustc_target/src/spec/powerpc_wrs_vxworks.rs
+++ b/compiler/rustc_target/src/spec/powerpc_wrs_vxworks.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc-unknown-linux-gnu".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:e-p:32:32-i64:64-n32".to_string(),
         arch: "powerpc".to_string(),
@@ -16,6 +15,10 @@ pub fn target() -> Target {
         target_env: "gnu".to_string(),
         target_vendor: "wrs".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { features: "+secure-plt".to_string(), ..base },
+        options: TargetOptions {
+            target_endian: "big".to_string(),
+            features: "+secure-plt".to_string(),
+            ..base
+        },
     }
 }
diff --git a/compiler/rustc_target/src/spec/powerpc_wrs_vxworks_spe.rs b/compiler/rustc_target/src/spec/powerpc_wrs_vxworks_spe.rs
index 188a80dfd82..9e019bd05d2 100644
--- a/compiler/rustc_target/src/spec/powerpc_wrs_vxworks_spe.rs
+++ b/compiler/rustc_target/src/spec/powerpc_wrs_vxworks_spe.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "powerpc-unknown-linux-gnuspe".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:e-p:32:32-i64:64-n32".to_string(),
         arch: "powerpc".to_string(),
@@ -17,6 +16,7 @@ pub fn target() -> Target {
         target_vendor: "wrs".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
         options: TargetOptions {
+            target_endian: "big".to_string(),
             // feature msync would disable instruction 'fsync' which is not supported by fsl_p1p2
             features: "+secure-plt,+msync".to_string(),
             ..base
diff --git a/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs
index ac6fa16b500..5314b53bd39 100644
--- a/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs
@@ -3,7 +3,6 @@ use crate::spec::{CodeModel, LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "riscv32-unknown-linux-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         target_env: "gnu".to_string(),
         data_layout: "e-m:e-p:32:32-i64:64-n32-S128".to_string(),
diff --git a/compiler/rustc_target/src/spec/riscv32i_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv32i_unknown_none_elf.rs
index 89471b68aba..e7dc614c88d 100644
--- a/compiler/rustc_target/src/spec/riscv32i_unknown_none_elf.rs
+++ b/compiler/rustc_target/src/spec/riscv32i_unknown_none_elf.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     Target {
         data_layout: "e-m:e-p:32:32-i64:64-n32-S128".to_string(),
         llvm_target: "riscv32".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         target_os: "none".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/riscv32imac_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv32imac_unknown_none_elf.rs
index d2302e958da..d7f6048c9c8 100644
--- a/compiler/rustc_target/src/spec/riscv32imac_unknown_none_elf.rs
+++ b/compiler/rustc_target/src/spec/riscv32imac_unknown_none_elf.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     Target {
         data_layout: "e-m:e-p:32:32-i64:64-n32-S128".to_string(),
         llvm_target: "riscv32".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         target_os: "none".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/riscv32imc_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv32imc_unknown_none_elf.rs
index 4f9631705f3..969a689c73e 100644
--- a/compiler/rustc_target/src/spec/riscv32imc_unknown_none_elf.rs
+++ b/compiler/rustc_target/src/spec/riscv32imc_unknown_none_elf.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     Target {
         data_layout: "e-m:e-p:32:32-i64:64-n32-S128".to_string(),
         llvm_target: "riscv32".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         target_os: "none".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/riscv64gc_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/riscv64gc_unknown_linux_gnu.rs
index c1357201d00..aa8e747ff20 100644
--- a/compiler/rustc_target/src/spec/riscv64gc_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/riscv64gc_unknown_linux_gnu.rs
@@ -3,7 +3,6 @@ use crate::spec::{CodeModel, LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "riscv64-unknown-linux-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         target_env: "gnu".to_string(),
         data_layout: "e-m:e-p:64:64-i64:64-i128:128-n64-S128".to_string(),
diff --git a/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs
index f2dbda027a4..214541484a5 100644
--- a/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs
+++ b/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     Target {
         data_layout: "e-m:e-p:64:64-i64:64-i128:128-n64-S128".to_string(),
         llvm_target: "riscv64".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         target_os: "none".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs
index 31f8eed5b8c..f805a531cdf 100644
--- a/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs
+++ b/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     Target {
         data_layout: "e-m:e-p:64:64-i64:64-i128:128-n64-S128".to_string(),
         llvm_target: "riscv64".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         target_os: "none".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/s390x_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/s390x_unknown_linux_gnu.rs
index 002d498f703..cf5500eea31 100644
--- a/compiler/rustc_target/src/spec/s390x_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/s390x_unknown_linux_gnu.rs
@@ -2,6 +2,7 @@ use crate::spec::{LinkerFlavor, Target};
 
 pub fn target() -> Target {
     let mut base = super::linux_base::opts();
+    base.target_endian = "big".to_string();
     // z10 is the oldest CPU supported by LLVM
     base.cpu = "z10".to_string();
     // FIXME: The data_layout string below and the ABI implementation in
@@ -13,7 +14,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "s390x-unknown-linux-gnu".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-a:8:16-n32:64".to_string(),
         arch: "s390x".to_string(),
diff --git a/compiler/rustc_target/src/spec/sparc64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/sparc64_unknown_linux_gnu.rs
index f8052dcc955..911183ad9a6 100644
--- a/compiler/rustc_target/src/spec/sparc64_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/sparc64_unknown_linux_gnu.rs
@@ -2,12 +2,12 @@ use crate::spec::{LinkerFlavor, Target};
 
 pub fn target() -> Target {
     let mut base = super::linux_base::opts();
+    base.target_endian = "big".to_string();
     base.cpu = "v9".to_string();
     base.max_atomic_width = Some(64);
 
     Target {
         llvm_target: "sparc64-unknown-linux-gnu".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i64:64-n32:64-S128".to_string(),
         arch: "sparc64".to_string(),
diff --git a/compiler/rustc_target/src/spec/sparc64_unknown_netbsd.rs b/compiler/rustc_target/src/spec/sparc64_unknown_netbsd.rs
index 07035bf15d5..161ace037e5 100644
--- a/compiler/rustc_target/src/spec/sparc64_unknown_netbsd.rs
+++ b/compiler/rustc_target/src/spec/sparc64_unknown_netbsd.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "sparc64-unknown-netbsd".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i64:64-n32:64-S128".to_string(),
         arch: "sparc64".to_string(),
@@ -16,6 +15,10 @@ pub fn target() -> Target {
         target_env: String::new(),
         target_vendor: "unknown".to_string(),
         linker_flavor: LinkerFlavor::Gcc,
-        options: TargetOptions { target_mcount: "__mcount".to_string(), ..base },
+        options: TargetOptions {
+            target_endian: "big".to_string(),
+            target_mcount: "__mcount".to_string(),
+            ..base
+        },
     }
 }
diff --git a/compiler/rustc_target/src/spec/sparc64_unknown_openbsd.rs b/compiler/rustc_target/src/spec/sparc64_unknown_openbsd.rs
index 5fa4b93dfd6..2ba531e9ef9 100644
--- a/compiler/rustc_target/src/spec/sparc64_unknown_openbsd.rs
+++ b/compiler/rustc_target/src/spec/sparc64_unknown_openbsd.rs
@@ -2,13 +2,13 @@ use crate::spec::{LinkerFlavor, Target};
 
 pub fn target() -> Target {
     let mut base = super::openbsd_base::opts();
+    base.target_endian = "big".to_string();
     base.cpu = "v9".to_string();
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
     base.max_atomic_width = Some(64);
 
     Target {
         llvm_target: "sparc64-unknown-openbsd".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i64:64-n32:64-S128".to_string(),
         arch: "sparc64".to_string(),
diff --git a/compiler/rustc_target/src/spec/sparc_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/sparc_unknown_linux_gnu.rs
index 868f618f2e2..d523a29eda2 100644
--- a/compiler/rustc_target/src/spec/sparc_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/sparc_unknown_linux_gnu.rs
@@ -2,13 +2,13 @@ use crate::spec::{LinkerFlavor, Target};
 
 pub fn target() -> Target {
     let mut base = super::linux_base::opts();
+    base.target_endian = "big".to_string();
     base.cpu = "v9".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-mv8plus".to_string());
 
     Target {
         llvm_target: "sparc-unknown-linux-gnu".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 32,
         data_layout: "E-m:e-p:32:32-i64:64-f128:64-n32-S64".to_string(),
         arch: "sparc".to_string(),
diff --git a/compiler/rustc_target/src/spec/sparcv9_sun_solaris.rs b/compiler/rustc_target/src/spec/sparcv9_sun_solaris.rs
index a6e8b7814c4..27146401532 100644
--- a/compiler/rustc_target/src/spec/sparcv9_sun_solaris.rs
+++ b/compiler/rustc_target/src/spec/sparcv9_sun_solaris.rs
@@ -2,6 +2,7 @@ use crate::spec::{LinkerFlavor, Target};
 
 pub fn target() -> Target {
     let mut base = super::solaris_base::opts();
+    base.target_endian = "big".to_string();
     base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-m64".to_string()]);
     // llvm calls this "v9"
     base.cpu = "v9".to_string();
@@ -9,7 +10,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "sparcv9-sun-solaris".to_string(),
-        target_endian: "big".to_string(),
         pointer_width: 64,
         data_layout: "E-m:e-i64:64-n32:64-S128".to_string(),
         // Use "sparc64" instead of "sparcv9" here, since the former is already
diff --git a/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs b/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs
index 9741ebf4bd2..c50d7d71ee7 100644
--- a/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs
+++ b/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs
@@ -13,7 +13,6 @@ use crate::spec::{LinkerFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "thumbv4t-none-eabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         target_os: "none".to_string(),
         target_env: "".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv6m_none_eabi.rs b/compiler/rustc_target/src/spec/thumbv6m_none_eabi.rs
index 080d5e4f283..b21853850d6 100644
--- a/compiler/rustc_target/src/spec/thumbv6m_none_eabi.rs
+++ b/compiler/rustc_target/src/spec/thumbv6m_none_eabi.rs
@@ -5,7 +5,6 @@ use crate::spec::{LinkerFlavor, LldFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "thumbv6m-none-eabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv7a_pc_windows_msvc.rs b/compiler/rustc_target/src/spec/thumbv7a_pc_windows_msvc.rs
index 60d10b0a47c..642fccb9abb 100644
--- a/compiler/rustc_target/src/spec/thumbv7a_pc_windows_msvc.rs
+++ b/compiler/rustc_target/src/spec/thumbv7a_pc_windows_msvc.rs
@@ -23,7 +23,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "thumbv7a-pc-windows-msvc".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:w-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv7a_uwp_windows_msvc.rs b/compiler/rustc_target/src/spec/thumbv7a_uwp_windows_msvc.rs
index b1d467b966d..709c70f2547 100644
--- a/compiler/rustc_target/src/spec/thumbv7a_uwp_windows_msvc.rs
+++ b/compiler/rustc_target/src/spec/thumbv7a_uwp_windows_msvc.rs
@@ -11,7 +11,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "thumbv7a-pc-windows-msvc".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:w-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv7em_none_eabi.rs b/compiler/rustc_target/src/spec/thumbv7em_none_eabi.rs
index 9858123b775..bd833ce1138 100644
--- a/compiler/rustc_target/src/spec/thumbv7em_none_eabi.rs
+++ b/compiler/rustc_target/src/spec/thumbv7em_none_eabi.rs
@@ -14,7 +14,6 @@ use crate::spec::{LinkerFlavor, LldFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "thumbv7em-none-eabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv7em_none_eabihf.rs b/compiler/rustc_target/src/spec/thumbv7em_none_eabihf.rs
index da4ad58f46a..b735014b885 100644
--- a/compiler/rustc_target/src/spec/thumbv7em_none_eabihf.rs
+++ b/compiler/rustc_target/src/spec/thumbv7em_none_eabihf.rs
@@ -13,7 +13,6 @@ use crate::spec::{LinkerFlavor, LldFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "thumbv7em-none-eabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv7m_none_eabi.rs b/compiler/rustc_target/src/spec/thumbv7m_none_eabi.rs
index fe051b69ae1..7bd33589266 100644
--- a/compiler/rustc_target/src/spec/thumbv7m_none_eabi.rs
+++ b/compiler/rustc_target/src/spec/thumbv7m_none_eabi.rs
@@ -5,7 +5,6 @@ use crate::spec::{LinkerFlavor, LldFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "thumbv7m-none-eabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv7neon_linux_androideabi.rs b/compiler/rustc_target/src/spec/thumbv7neon_linux_androideabi.rs
index ebee5a21c3a..f628eff477b 100644
--- a/compiler/rustc_target/src/spec/thumbv7neon_linux_androideabi.rs
+++ b/compiler/rustc_target/src/spec/thumbv7neon_linux_androideabi.rs
@@ -16,7 +16,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "armv7-none-linux-android".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_gnueabihf.rs b/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_gnueabihf.rs
index 3d6c69d3eec..735a82c785e 100644
--- a/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_gnueabihf.rs
+++ b/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_gnueabihf.rs
@@ -10,7 +10,6 @@ pub fn target() -> Target {
     let base = super::linux_base::opts();
     Target {
         llvm_target: "armv7-unknown-linux-gnueabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_musleabihf.rs b/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_musleabihf.rs
index b6bcaff99f4..ab2e9588df6 100644
--- a/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_musleabihf.rs
+++ b/compiler/rustc_target/src/spec/thumbv7neon_unknown_linux_musleabihf.rs
@@ -13,7 +13,6 @@ pub fn target() -> Target {
         // uses it to determine the calling convention and float ABI, and LLVM
         // doesn't support the "musleabihf" value.
         llvm_target: "armv7-unknown-linux-gnueabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv8m_base_none_eabi.rs b/compiler/rustc_target/src/spec/thumbv8m_base_none_eabi.rs
index 7f73697f64d..e89f07f6c52 100644
--- a/compiler/rustc_target/src/spec/thumbv8m_base_none_eabi.rs
+++ b/compiler/rustc_target/src/spec/thumbv8m_base_none_eabi.rs
@@ -5,7 +5,6 @@ use crate::spec::{LinkerFlavor, LldFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "thumbv8m.base-none-eabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv8m_main_none_eabi.rs b/compiler/rustc_target/src/spec/thumbv8m_main_none_eabi.rs
index 2c63ee7e4ac..911d5b087f2 100644
--- a/compiler/rustc_target/src/spec/thumbv8m_main_none_eabi.rs
+++ b/compiler/rustc_target/src/spec/thumbv8m_main_none_eabi.rs
@@ -6,7 +6,6 @@ use crate::spec::{LinkerFlavor, LldFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "thumbv8m.main-none-eabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/thumbv8m_main_none_eabihf.rs b/compiler/rustc_target/src/spec/thumbv8m_main_none_eabihf.rs
index a40e4f53c4d..b02d3e8fc92 100644
--- a/compiler/rustc_target/src/spec/thumbv8m_main_none_eabihf.rs
+++ b/compiler/rustc_target/src/spec/thumbv8m_main_none_eabihf.rs
@@ -6,7 +6,6 @@ use crate::spec::{LinkerFlavor, LldFlavor, Target, TargetOptions};
 pub fn target() -> Target {
     Target {
         llvm_target: "thumbv8m.main-none-eabihf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
         arch: "arm".to_string(),
diff --git a/compiler/rustc_target/src/spec/wasm32_unknown_emscripten.rs b/compiler/rustc_target/src/spec/wasm32_unknown_emscripten.rs
index 3712bf26c2c..3aaf9f6e0de 100644
--- a/compiler/rustc_target/src/spec/wasm32_unknown_emscripten.rs
+++ b/compiler/rustc_target/src/spec/wasm32_unknown_emscripten.rs
@@ -30,7 +30,6 @@ pub fn target() -> Target {
     };
     Target {
         llvm_target: "wasm32-unknown-emscripten".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         target_os: "emscripten".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/wasm32_unknown_unknown.rs b/compiler/rustc_target/src/spec/wasm32_unknown_unknown.rs
index 69854dbc48b..70727d7d78a 100644
--- a/compiler/rustc_target/src/spec/wasm32_unknown_unknown.rs
+++ b/compiler/rustc_target/src/spec/wasm32_unknown_unknown.rs
@@ -32,7 +32,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "wasm32-unknown-unknown".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         target_os: "unknown".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/wasm32_wasi.rs b/compiler/rustc_target/src/spec/wasm32_wasi.rs
index 83ed37c30a2..ae076f27529 100644
--- a/compiler/rustc_target/src/spec/wasm32_wasi.rs
+++ b/compiler/rustc_target/src/spec/wasm32_wasi.rs
@@ -106,7 +106,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "wasm32-wasi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         target_os: "wasi".to_string(),
         target_env: String::new(),
diff --git a/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs b/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs
index a474cc94ac1..3a35af3d935 100644
--- a/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs
+++ b/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs
@@ -20,7 +20,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target,
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_apple_ios.rs b/compiler/rustc_target/src/spec/x86_64_apple_ios.rs
index 8e2dd51c902..967c4a35cbe 100644
--- a/compiler/rustc_target/src/spec/x86_64_apple_ios.rs
+++ b/compiler/rustc_target/src/spec/x86_64_apple_ios.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     let base = opts(Arch::X86_64);
     Target {
         llvm_target: "x86_64-apple-ios".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_apple_ios_macabi.rs b/compiler/rustc_target/src/spec/x86_64_apple_ios_macabi.rs
index a45d5c2fcc4..c427b91a18d 100644
--- a/compiler/rustc_target/src/spec/x86_64_apple_ios_macabi.rs
+++ b/compiler/rustc_target/src/spec/x86_64_apple_ios_macabi.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     let base = opts(Arch::X86_64_macabi);
     Target {
         llvm_target: "x86_64-apple-ios13.0-macabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_apple_tvos.rs b/compiler/rustc_target/src/spec/x86_64_apple_tvos.rs
index de52ef332b5..1124fc4b09a 100644
--- a/compiler/rustc_target/src/spec/x86_64_apple_tvos.rs
+++ b/compiler/rustc_target/src/spec/x86_64_apple_tvos.rs
@@ -5,7 +5,6 @@ pub fn target() -> Target {
     let base = opts(Arch::X86_64);
     Target {
         llvm_target: "x86_64-apple-tvos".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:o-i64:64-f80:128-n8:16:32:64-S128".to_string(),
         arch: "x86_64".to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_fortanix_unknown_sgx.rs b/compiler/rustc_target/src/spec/x86_64_fortanix_unknown_sgx.rs
index dfbc400f5c7..db1ac26a0e0 100644
--- a/compiler/rustc_target/src/spec/x86_64_fortanix_unknown_sgx.rs
+++ b/compiler/rustc_target/src/spec/x86_64_fortanix_unknown_sgx.rs
@@ -76,7 +76,6 @@ pub fn target() -> Target {
     };
     Target {
         llvm_target: "x86_64-elf".into(),
-        target_endian: "little".into(),
         pointer_width: 64,
         target_os: "unknown".into(),
         target_env: "sgx".into(),
diff --git a/compiler/rustc_target/src/spec/x86_64_fuchsia.rs b/compiler/rustc_target/src/spec/x86_64_fuchsia.rs
index 39f010773df..3a2a032e535 100644
--- a/compiler/rustc_target/src/spec/x86_64_fuchsia.rs
+++ b/compiler/rustc_target/src/spec/x86_64_fuchsia.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-fuchsia".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_linux_android.rs b/compiler/rustc_target/src/spec/x86_64_linux_android.rs
index a70c6b67091..2a3aaa932b4 100644
--- a/compiler/rustc_target/src/spec/x86_64_linux_android.rs
+++ b/compiler/rustc_target/src/spec/x86_64_linux_android.rs
@@ -11,7 +11,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-linux-android".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_linux_kernel.rs b/compiler/rustc_target/src/spec/x86_64_linux_kernel.rs
index 7dde4a87be1..1ebe53b891f 100644
--- a/compiler/rustc_target/src/spec/x86_64_linux_kernel.rs
+++ b/compiler/rustc_target/src/spec/x86_64_linux_kernel.rs
@@ -16,7 +16,6 @@ pub fn target() -> Target {
     Target {
         // FIXME: Some dispute, the linux-on-clang folks think this should use "Linux"
         llvm_target: "x86_64-elf".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_pc_windows_gnu.rs b/compiler/rustc_target/src/spec/x86_64_pc_windows_gnu.rs
index a8278dbc6a4..5721d01503b 100644
--- a/compiler/rustc_target/src/spec/x86_64_pc_windows_gnu.rs
+++ b/compiler/rustc_target/src/spec/x86_64_pc_windows_gnu.rs
@@ -14,7 +14,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-pc-windows-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_pc_windows_msvc.rs b/compiler/rustc_target/src/spec/x86_64_pc_windows_msvc.rs
index 741ca81c953..94dbfdafc38 100644
--- a/compiler/rustc_target/src/spec/x86_64_pc_windows_msvc.rs
+++ b/compiler/rustc_target/src/spec/x86_64_pc_windows_msvc.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-pc-windows-msvc".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_rumprun_netbsd.rs b/compiler/rustc_target/src/spec/x86_64_rumprun_netbsd.rs
index 95c53d11afb..1ed9cd0af20 100644
--- a/compiler/rustc_target/src/spec/x86_64_rumprun_netbsd.rs
+++ b/compiler/rustc_target/src/spec/x86_64_rumprun_netbsd.rs
@@ -15,7 +15,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-rumprun-netbsd".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_sun_solaris.rs b/compiler/rustc_target/src/spec/x86_64_sun_solaris.rs
index d427e5a297e..879060c6d08 100644
--- a/compiler/rustc_target/src/spec/x86_64_sun_solaris.rs
+++ b/compiler/rustc_target/src/spec/x86_64_sun_solaris.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-pc-solaris".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_cloudabi.rs b/compiler/rustc_target/src/spec/x86_64_unknown_cloudabi.rs
index 1f463994ca6..87fabb3ee45 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_cloudabi.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_cloudabi.rs
@@ -10,7 +10,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-cloudabi".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_dragonfly.rs b/compiler/rustc_target/src/spec/x86_64_unknown_dragonfly.rs
index 5c9359da1a1..b4dfb6a9e0c 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_dragonfly.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_dragonfly.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-dragonfly".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_freebsd.rs b/compiler/rustc_target/src/spec/x86_64_unknown_freebsd.rs
index 9172c0203b9..884a00f9844 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_freebsd.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_freebsd.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-freebsd".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_haiku.rs b/compiler/rustc_target/src/spec/x86_64_unknown_haiku.rs
index ee5074d8c72..18d68596e12 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_haiku.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_haiku.rs
@@ -11,7 +11,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-haiku".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_hermit.rs b/compiler/rustc_target/src/spec/x86_64_unknown_hermit.rs
index 3faa0bb1469..a00627f343f 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_hermit.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_hermit.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-hermit".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_hermit_kernel.rs b/compiler/rustc_target/src/spec/x86_64_unknown_hermit_kernel.rs
index f8e2025eb00..08f501e3bb0 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_hermit_kernel.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_hermit_kernel.rs
@@ -11,7 +11,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-hermit".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_illumos.rs b/compiler/rustc_target/src/spec/x86_64_unknown_illumos.rs
index e350efc7943..51fd05c2712 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_illumos.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_illumos.rs
@@ -10,7 +10,6 @@ pub fn target() -> Target {
         // LLVM does not currently have a separate illumos target,
         // so we still pass Solaris to it
         llvm_target: "x86_64-pc-solaris".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_l4re_uclibc.rs b/compiler/rustc_target/src/spec/x86_64_unknown_l4re_uclibc.rs
index a1677fb65af..956f31973f6 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_l4re_uclibc.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_l4re_uclibc.rs
@@ -7,7 +7,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-l4re-uclibc".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs
index a737b0fdd49..e5578ae67a2 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-linux-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnux32.rs b/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnux32.rs
index 8e3762ab190..96d172411ec 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnux32.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnux32.rs
@@ -13,7 +13,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-linux-gnux32".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 32,
         data_layout: "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-\
             i64:64-f80:128-n8:16:32:64-S128"
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/x86_64_unknown_linux_musl.rs
index c866101ec54..343b6677bb5 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_linux_musl.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_linux_musl.rs
@@ -10,7 +10,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-linux-musl".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_netbsd.rs b/compiler/rustc_target/src/spec/x86_64_unknown_netbsd.rs
index 7c8980a1d01..76c741516cb 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_netbsd.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_netbsd.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-netbsd".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_openbsd.rs b/compiler/rustc_target/src/spec/x86_64_unknown_openbsd.rs
index 06f6e647988..6dc749ef05e 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_openbsd.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_openbsd.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-openbsd".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_redox.rs b/compiler/rustc_target/src/spec/x86_64_unknown_redox.rs
index 2701562e3ef..824502cb791 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_redox.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_redox.rs
@@ -9,7 +9,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-redox".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_uefi.rs b/compiler/rustc_target/src/spec/x86_64_unknown_uefi.rs
index cc3784928c5..23e73c423f6 100644
--- a/compiler/rustc_target/src/spec/x86_64_unknown_uefi.rs
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_uefi.rs
@@ -30,7 +30,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-windows".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_uwp_windows_gnu.rs b/compiler/rustc_target/src/spec/x86_64_uwp_windows_gnu.rs
index f23808e1680..c156a3a214f 100644
--- a/compiler/rustc_target/src/spec/x86_64_uwp_windows_gnu.rs
+++ b/compiler/rustc_target/src/spec/x86_64_uwp_windows_gnu.rs
@@ -13,7 +13,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-pc-windows-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_uwp_windows_msvc.rs b/compiler/rustc_target/src/spec/x86_64_uwp_windows_msvc.rs
index 126da3996bb..d5186fb2093 100644
--- a/compiler/rustc_target/src/spec/x86_64_uwp_windows_msvc.rs
+++ b/compiler/rustc_target/src/spec/x86_64_uwp_windows_msvc.rs
@@ -8,7 +8,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-pc-windows-msvc".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),
diff --git a/compiler/rustc_target/src/spec/x86_64_wrs_vxworks.rs b/compiler/rustc_target/src/spec/x86_64_wrs_vxworks.rs
index 53ea4e04c41..4a40ebffcf8 100644
--- a/compiler/rustc_target/src/spec/x86_64_wrs_vxworks.rs
+++ b/compiler/rustc_target/src/spec/x86_64_wrs_vxworks.rs
@@ -10,7 +10,6 @@ pub fn target() -> Target {
 
     Target {
         llvm_target: "x86_64-unknown-linux-gnu".to_string(),
-        target_endian: "little".to_string(),
         pointer_width: 64,
         data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
             .to_string(),