Rename `target_word_size` to `target_pointer_width`

Closes #20421

[breaking-change]

36 files changed, 91 insertions, 69 deletions

diff --git a/src/libcore/iter.rs b/src/libcore/iter.rs
index d30cfc405a1..f0f4a191e4f 100644
--- a/src/libcore/iter.rs
+++ b/src/libcore/iter.rs
@@ -2749,9 +2749,9 @@ macro_rules! step_impl_no_between {
 }
 
 step_impl!(uint u8 u16 u32 int i8 i16 i32);
-#[cfg(target_word_size = "64")]
+#[cfg(any(all(stage0, target_word_size = "64"), all(not(stage0), target_pointer_width = "64")))]
 step_impl!(u64 i64);
-#[cfg(target_word_size = "32")]
+#[cfg(any(all(stage0, target_word_size = "32"), all(not(stage0), target_pointer_width = "32")))]
 step_impl_no_between!(u64 i64);
 
 
diff --git a/src/libcore/num/int.rs b/src/libcore/num/int.rs
index 91c5e4163f9..93f5b31ca72 100644
--- a/src/libcore/num/int.rs
+++ b/src/libcore/num/int.rs
@@ -13,5 +13,8 @@
 #![stable]
 #![doc(primitive = "int")]
 
-#[cfg(target_word_size = "32")] int_module! { int, 32 }
-#[cfg(target_word_size = "64")] int_module! { int, 64 }
+#[cfg(stage0)] #[cfg(target_word_size = "32")] int_module! { int, 32 }
+#[cfg(stage0)] #[cfg(target_word_size = "64")] int_module! { int, 64 }
+
+#[cfg(not(stage0))] #[cfg(target_pointer_width = "32")] int_module! { int, 32 }
+#[cfg(not(stage0))] #[cfg(target_pointer_width = "64")] int_module! { int, 64 }
diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs
index 490d8111f46..47da5de5391 100644
--- a/src/libcore/num/mod.rs
+++ b/src/libcore/num/mod.rs
@@ -496,7 +496,7 @@ uint_impl! { u64 = u64, 64,
     intrinsics::u64_sub_with_overflow,
     intrinsics::u64_mul_with_overflow }
 
-#[cfg(target_word_size = "32")]
+#[cfg(any(all(stage0, target_word_size = "32"), all(not(stage0), target_pointer_width = "32")))]
 uint_impl! { uint = u32, 32,
     intrinsics::ctpop32,
     intrinsics::ctlz32,
@@ -506,7 +506,7 @@ uint_impl! { uint = u32, 32,
     intrinsics::u32_sub_with_overflow,
     intrinsics::u32_mul_with_overflow }
 
-#[cfg(target_word_size = "64")]
+#[cfg(any(all(stage0, target_word_size = "64"), all(not(stage0), target_pointer_width = "64")))]
 uint_impl! { uint = u64, 64,
     intrinsics::ctpop64,
     intrinsics::ctlz64,
@@ -601,13 +601,13 @@ int_impl! { i64 = i64, u64, 64,
     intrinsics::i64_sub_with_overflow,
     intrinsics::i64_mul_with_overflow }
 
-#[cfg(target_word_size = "32")]
+#[cfg(any(all(stage0, target_word_size = "32"), all(not(stage0), target_pointer_width = "32")))]
 int_impl! { int = i32, u32, 32,
     intrinsics::i32_add_with_overflow,
     intrinsics::i32_sub_with_overflow,
     intrinsics::i32_mul_with_overflow }
 
-#[cfg(target_word_size = "64")]
+#[cfg(any(all(stage0, target_word_size = "64"), all(not(stage0), target_pointer_width = "64")))]
 int_impl! { int = i64, u64, 64,
     intrinsics::i64_add_with_overflow,
     intrinsics::i64_sub_with_overflow,
diff --git a/src/librustc/metadata/filesearch.rs b/src/librustc/metadata/filesearch.rs
index 29625d0a6af..e8160487e16 100644
--- a/src/librustc/metadata/filesearch.rs
+++ b/src/librustc/metadata/filesearch.rs
@@ -272,12 +272,12 @@ fn find_libdir(sysroot: &Path) -> String {
         }
     }
 
-    #[cfg(target_word_size = "64")]
+    #[cfg(any(all(stage0, target_word_size = "64"), all(not(stage0), target_pointer_width = "64")))]
     fn primary_libdir_name() -> String {
         "lib64".to_string()
     }
 
-    #[cfg(target_word_size = "32")]
+    #[cfg(any(all(stage0, target_word_size = "32"), all(not(stage0), target_pointer_width = "32")))]
     fn primary_libdir_name() -> String {
         "lib32".to_string()
     }
diff --git a/src/librustc/session/config.rs b/src/librustc/session/config.rs
index 4968066f7b6..ebf8c52a614 100644
--- a/src/librustc/session/config.rs
+++ b/src/librustc/session/config.rs
@@ -594,7 +594,7 @@ pub fn default_configuration(sess: &Session) -> ast::CrateConfig {
 
     let end = sess.target.target.target_endian.index(&FullRange);
     let arch = sess.target.target.arch.index(&FullRange);
-    let wordsz = sess.target.target.target_word_size.index(&FullRange);
+    let wordsz = sess.target.target.target_pointer_width.index(&FullRange);
     let os = sess.target.target.target_os.index(&FullRange);
 
     let fam = match sess.target.target.options.is_like_windows {
@@ -609,7 +609,7 @@ pub fn default_configuration(sess: &Session) -> ast::CrateConfig {
          mk(InternedString::new("target_family"), fam),
          mk(InternedString::new("target_arch"), intern(arch)),
          mk(InternedString::new("target_endian"), intern(end)),
-         mk(InternedString::new("target_word_size"),
+         mk(InternedString::new("target_pointer_width"),
             intern(wordsz))
     );
 }
@@ -643,7 +643,7 @@ pub fn build_target_config(opts: &Options, sp: &SpanHandler) -> Config {
     }
     };
 
-    let (int_type, uint_type) = match target.target_word_size.index(&FullRange) {
+    let (int_type, uint_type) = match target.target_pointer_width.index(&FullRange) {
         "32" => (ast::TyI32, ast::TyU32),
         "64" => (ast::TyI64, ast::TyU64),
         w    => sp.handler().fatal((format!("target specification was invalid: unrecognized \
diff --git a/src/librustc_back/target/aarch64_unknown_linux_gnu.rs b/src/librustc_back/target/aarch64_unknown_linux_gnu.rs
index 296552a6abd..a3ef6372f06 100644
--- a/src/librustc_back/target/aarch64_unknown_linux_gnu.rs
+++ b/src/librustc_back/target/aarch64_unknown_linux_gnu.rs
@@ -18,7 +18,7 @@ pub fn target() -> Target {
                       n32:64-S128".to_string(),
         llvm_target: "aarch64-unknown-linux-gnu".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "64".to_string(),
+        target_pointer_width: "64".to_string(),
         arch: "aarch64".to_string(),
         target_os: "linux".to_string(),
         options: base,
diff --git a/src/librustc_back/target/arm_apple_ios.rs b/src/librustc_back/target/arm_apple_ios.rs
index 8bb64eae625..e0afef6e390 100644
--- a/src/librustc_back/target/arm_apple_ios.rs
+++ b/src/librustc_back/target/arm_apple_ios.rs
@@ -19,7 +19,7 @@ pub fn target() -> Target {
                       -a:0:64-n32".to_string(),
         llvm_target: "arm-apple-ios".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "32".to_string(),
+        target_pointer_width: "32".to_string(),
         arch: "arm".to_string(),
         target_os: "ios".to_string(),
         options: TargetOptions {
diff --git a/src/librustc_back/target/arm_linux_androideabi.rs b/src/librustc_back/target/arm_linux_androideabi.rs
index ecfb1667f60..6fc77a715a5 100644
--- a/src/librustc_back/target/arm_linux_androideabi.rs
+++ b/src/librustc_back/target/arm_linux_androideabi.rs
@@ -27,7 +27,7 @@ pub fn target() -> Target {
                       -a:0:64-n32".to_string(),
         llvm_target: "arm-linux-androideabi".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "32".to_string(),
+        target_pointer_width: "32".to_string(),
         arch: "arm".to_string(),
         target_os: "android".to_string(),
         options: base,
diff --git a/src/librustc_back/target/arm_unknown_linux_gnueabi.rs b/src/librustc_back/target/arm_unknown_linux_gnueabi.rs
index 985af35e145..32eccaf54b0 100644
--- a/src/librustc_back/target/arm_unknown_linux_gnueabi.rs
+++ b/src/librustc_back/target/arm_unknown_linux_gnueabi.rs
@@ -20,7 +20,7 @@ pub fn target() -> Target {
                       -a:0:64-n32".to_string(),
         llvm_target: "arm-unknown-linux-gnueabi".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "32".to_string(),
+        target_pointer_width: "32".to_string(),
         arch: "arm".to_string(),
         target_os: "linux".to_string(),
 
diff --git a/src/librustc_back/target/arm_unknown_linux_gnueabihf.rs b/src/librustc_back/target/arm_unknown_linux_gnueabihf.rs
index 3cf0c312820..eff3601250f 100644
--- a/src/librustc_back/target/arm_unknown_linux_gnueabihf.rs
+++ b/src/librustc_back/target/arm_unknown_linux_gnueabihf.rs
@@ -20,7 +20,7 @@ pub fn target() -> Target {
                       -a:0:64-n32".to_string(),
         llvm_target: "arm-unknown-linux-gnueabihf".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "32".to_string(),
+        target_pointer_width: "32".to_string(),
         arch: "arm".to_string(),
         target_os: "linux".to_string(),
 
diff --git a/src/librustc_back/target/i386_apple_ios.rs b/src/librustc_back/target/i386_apple_ios.rs
index 45669bc9585..a1fcc9ac53f 100644
--- a/src/librustc_back/target/i386_apple_ios.rs
+++ b/src/librustc_back/target/i386_apple_ios.rs
@@ -19,7 +19,7 @@ pub fn target() -> Target {
                       -n8:16:32".to_string(),
         llvm_target: "i386-apple-ios".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "32".to_string(),
+        target_pointer_width: "32".to_string(),
         arch: "x86".to_string(),
         target_os: "ios".to_string(),
 
diff --git a/src/librustc_back/target/i686_apple_darwin.rs b/src/librustc_back/target/i686_apple_darwin.rs
index feef5b98dcb..1b079323bf9 100644
--- a/src/librustc_back/target/i686_apple_darwin.rs
+++ b/src/librustc_back/target/i686_apple_darwin.rs
@@ -22,7 +22,7 @@ pub fn target() -> Target {
                       -n8:16:32".to_string(),
         llvm_target: "i686-apple-darwin".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "32".to_string(),
+        target_pointer_width: "32".to_string(),
         arch: "x86".to_string(),
         target_os: "macos".to_string(),
         options: base,
diff --git a/src/librustc_back/target/i686_pc_windows_gnu.rs b/src/librustc_back/target/i686_pc_windows_gnu.rs
index 4d75590e664..c2ab68ee052 100644
--- a/src/librustc_back/target/i686_pc_windows_gnu.rs
+++ b/src/librustc_back/target/i686_pc_windows_gnu.rs
@@ -26,7 +26,7 @@ pub fn target() -> Target {
         data_layout: "e-p:32:32-f64:64:64-i64:64:64-f80:32:32-n8:16:32".to_string(),
         llvm_target: "i686-pc-windows-gnu".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "32".to_string(),
+        target_pointer_width: "32".to_string(),
         arch: "x86".to_string(),
         target_os: "windows".to_string(),
         options: options,
diff --git a/src/librustc_back/target/i686_unknown_dragonfly.rs b/src/librustc_back/target/i686_unknown_dragonfly.rs
index a12657ff4dc..7910eba7ea1 100644
--- a/src/librustc_back/target/i686_unknown_dragonfly.rs
+++ b/src/librustc_back/target/i686_unknown_dragonfly.rs
@@ -18,7 +18,7 @@ pub fn target() -> Target {
         data_layout: "e-p:32:32-f64:32:64-i64:32:64-f80:32:32-n8:16:32".to_string(),
         llvm_target: "i686-unknown-dragonfly".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "32".to_string(),
+        target_pointer_width: "32".to_string(),
         arch: "x86".to_string(),
         target_os: "dragonfly".to_string(),
         options: base,
diff --git a/src/librustc_back/target/i686_unknown_linux_gnu.rs b/src/librustc_back/target/i686_unknown_linux_gnu.rs
index 1a4560d5cd5..c93a564fef5 100644
--- a/src/librustc_back/target/i686_unknown_linux_gnu.rs
+++ b/src/librustc_back/target/i686_unknown_linux_gnu.rs
@@ -18,7 +18,7 @@ pub fn target() -> Target {
         data_layout: "e-p:32:32-f64:32:64-i64:32:64-f80:32:32-n8:16:32".to_string(),
         llvm_target: "i686-unknown-linux-gnu".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "32".to_string(),
+        target_pointer_width: "32".to_string(),
         arch: "x86".to_string(),
         target_os: "linux".to_string(),
         options: base,
diff --git a/src/librustc_back/target/mips_unknown_linux_gnu.rs b/src/librustc_back/target/mips_unknown_linux_gnu.rs
index c8c5ddcbd0d..8acc248e234 100644
--- a/src/librustc_back/target/mips_unknown_linux_gnu.rs
+++ b/src/librustc_back/target/mips_unknown_linux_gnu.rs
@@ -19,7 +19,7 @@ pub fn target() -> Target {
                       -a:0:64-n32".to_string(),
         llvm_target: "mips-unknown-linux-gnu".to_string(),
         target_endian: "big".to_string(),
-        target_word_size: "32".to_string(),
+        target_pointer_width: "32".to_string(),
         arch: "mips".to_string(),
         target_os: "linux".to_string(),
         options: super::linux_base::opts()
diff --git a/src/librustc_back/target/mipsel_unknown_linux_gnu.rs b/src/librustc_back/target/mipsel_unknown_linux_gnu.rs
index 3571f7b26c0..604c62eb69f 100644
--- a/src/librustc_back/target/mipsel_unknown_linux_gnu.rs
+++ b/src/librustc_back/target/mipsel_unknown_linux_gnu.rs
@@ -19,7 +19,7 @@ pub fn target() -> Target {
                       -a:0:64-n32".to_string(),
         llvm_target: "mipsel-unknown-linux-gnu".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "32".to_string(),
+        target_pointer_width: "32".to_string(),
         arch: "mips".to_string(),
         target_os: "linux".to_string(),
 
diff --git a/src/librustc_back/target/mod.rs b/src/librustc_back/target/mod.rs
index 23c8fc7de51..87897c28857 100644
--- a/src/librustc_back/target/mod.rs
+++ b/src/librustc_back/target/mod.rs
@@ -85,8 +85,8 @@ pub struct Target {
     pub llvm_target: String,
     /// String to use as the `target_endian` `cfg` variable.
     pub target_endian: String,
-    /// String to use as the `target_word_size` `cfg` variable.
-    pub target_word_size: String,
+    /// String to use as the `target_pointer_width` `cfg` variable.
+    pub target_pointer_width: String,
     /// OS name to use for conditional compilation.
     pub target_os: String,
     /// Architecture to use for ABI considerations. Valid options: "x86", "x86_64", "arm",
@@ -233,7 +233,7 @@ impl Target {
             data_layout: get_req_field("data-layout"),
             llvm_target: get_req_field("llvm-target"),
             target_endian: get_req_field("target-endian"),
-            target_word_size: get_req_field("target-word-size"),
+            target_pointer_width: get_req_field("target-word-size"),
             arch: get_req_field("arch"),
             target_os: get_req_field("os"),
             options: Default::default(),
diff --git a/src/librustc_back/target/x86_64_apple_darwin.rs b/src/librustc_back/target/x86_64_apple_darwin.rs
index 07e6cdfed2c..0ebd3bd3215 100644
--- a/src/librustc_back/target/x86_64_apple_darwin.rs
+++ b/src/librustc_back/target/x86_64_apple_darwin.rs
@@ -21,7 +21,7 @@ pub fn target() -> Target {
                       s0:64:64-f80:128:128-n8:16:32:64".to_string(),
         llvm_target: "x86_64-apple-darwin".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "64".to_string(),
+        target_pointer_width: "64".to_string(),
         arch: "x86_64".to_string(),
         target_os: "macos".to_string(),
         options: base,
diff --git a/src/librustc_back/target/x86_64_pc_windows_gnu.rs b/src/librustc_back/target/x86_64_pc_windows_gnu.rs
index 6ca74eb7fc0..9e1294a8962 100644
--- a/src/librustc_back/target/x86_64_pc_windows_gnu.rs
+++ b/src/librustc_back/target/x86_64_pc_windows_gnu.rs
@@ -23,7 +23,7 @@ pub fn target() -> Target {
                       s0:64:64-f80:128:128-n8:16:32:64-S128".to_string(),
         llvm_target: "x86_64-pc-windows-gnu".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "64".to_string(),
+        target_pointer_width: "64".to_string(),
         arch: "x86_64".to_string(),
         target_os: "windows".to_string(),
         options: base,
diff --git a/src/librustc_back/target/x86_64_unknown_dragonfly.rs b/src/librustc_back/target/x86_64_unknown_dragonfly.rs
index bff3eaf6bc8..6635306b0e1 100644
--- a/src/librustc_back/target/x86_64_unknown_dragonfly.rs
+++ b/src/librustc_back/target/x86_64_unknown_dragonfly.rs
@@ -20,7 +20,7 @@ pub fn target() -> Target {
                      s0:64:64-f80:128:128-n8:16:32:64-S128".to_string(),
         llvm_target: "x86_64-unknown-dragonfly".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "64".to_string(),
+        target_pointer_width: "64".to_string(),
         arch: "x86_64".to_string(),
         target_os: "dragonfly".to_string(),
         options: base,
diff --git a/src/librustc_back/target/x86_64_unknown_freebsd.rs b/src/librustc_back/target/x86_64_unknown_freebsd.rs
index 8d5603a3878..2aba2b8defb 100644
--- a/src/librustc_back/target/x86_64_unknown_freebsd.rs
+++ b/src/librustc_back/target/x86_64_unknown_freebsd.rs
@@ -20,7 +20,7 @@ pub fn target() -> Target {
                      s0:64:64-f80:128:128-n8:16:32:64-S128".to_string(),
         llvm_target: "x86_64-unknown-freebsd".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "64".to_string(),
+        target_pointer_width: "64".to_string(),
         arch: "x86_64".to_string(),
         target_os: "freebsd".to_string(),
         options: base,
diff --git a/src/librustc_back/target/x86_64_unknown_linux_gnu.rs b/src/librustc_back/target/x86_64_unknown_linux_gnu.rs
index e0a67cd6250..d7a6df3a8b0 100644
--- a/src/librustc_back/target/x86_64_unknown_linux_gnu.rs
+++ b/src/librustc_back/target/x86_64_unknown_linux_gnu.rs
@@ -20,7 +20,7 @@ pub fn target() -> Target {
                       s0:64:64-f80:128:128-n8:16:32:64-S128".to_string(),
         llvm_target: "x86_64-unknown-linux-gnu".to_string(),
         target_endian: "little".to_string(),
-        target_word_size: "64".to_string(),
+        target_pointer_width: "64".to_string(),
         arch: "x86_64".to_string(),
         target_os: "linux".to_string(),
         options: base,
diff --git a/src/librustc_trans/trans/base.rs b/src/librustc_trans/trans/base.rs
index 057d0f378e6..39632f2b084 100644
--- a/src/librustc_trans/trans/base.rs
+++ b/src/librustc_trans/trans/base.rs
@@ -1128,7 +1128,7 @@ pub fn call_lifetime_end(cx: Block, ptr: ValueRef) {
 pub fn call_memcpy(cx: Block, dst: ValueRef, src: ValueRef, n_bytes: ValueRef, align: u32) {
     let _icx = push_ctxt("call_memcpy");
     let ccx = cx.ccx();
-    let key = match ccx.sess().target.target.target_word_size.index(&FullRange) {
+    let key = match ccx.sess().target.target.target_pointer_width.index(&FullRange) {
         "32" => "llvm.memcpy.p0i8.p0i8.i32",
         "64" => "llvm.memcpy.p0i8.p0i8.i64",
         tws => panic!("Unsupported target word size for memcpy: {}", tws),
@@ -1175,7 +1175,7 @@ fn memzero<'a, 'tcx>(b: &Builder<'a, 'tcx>, llptr: ValueRef, ty: Ty<'tcx>) {
 
     let llty = type_of::type_of(ccx, ty);
 
-    let intrinsic_key = match ccx.sess().target.target.target_word_size.index(&FullRange) {
+    let intrinsic_key = match ccx.sess().target.target.target_pointer_width.index(&FullRange) {
         "32" => "llvm.memset.p0i8.i32",
         "64" => "llvm.memset.p0i8.i64",
         tws => panic!("Unsupported target word size for memset: {}", tws),
diff --git a/src/librustc_trans/trans/context.rs b/src/librustc_trans/trans/context.rs
index 35fb34eafb4..d450ce24de7 100644
--- a/src/librustc_trans/trans/context.rs
+++ b/src/librustc_trans/trans/context.rs
@@ -721,7 +721,7 @@ impl<'b, 'tcx> CrateContext<'b, 'tcx> {
     /// currently conservatively bounded to 1 << 47 as that is enough to cover the current usable
     /// address space on 64-bit ARMv8 and x86_64.
     pub fn obj_size_bound(&self) -> u64 {
-        match self.sess().target.target.target_word_size.index(&FullRange) {
+        match self.sess().target.target.target_pointer_width.index(&FullRange) {
             "32" => 1 << 31,
             "64" => 1 << 47,
             _ => unreachable!() // error handled by config::build_target_config
diff --git a/src/librustc_trans/trans/type_.rs b/src/librustc_trans/trans/type_.rs
index 66e27ed1188..2e236154d48 100644
--- a/src/librustc_trans/trans/type_.rs
+++ b/src/librustc_trans/trans/type_.rs
@@ -103,7 +103,7 @@ impl Type {
     }
 
     pub fn int(ccx: &CrateContext) -> Type {
-        match ccx.tcx().sess.target.target.target_word_size.index(&FullRange) {
+        match ccx.tcx().sess.target.target.target_pointer_width.index(&FullRange) {
             "32" => Type::i32(ccx),
             "64" => Type::i64(ccx),
             tws => panic!("Unsupported target word size for int: {}", tws),
diff --git a/src/libserialize/json.rs b/src/libserialize/json.rs
index b7bf40a6ec5..9e87c90d2e5 100644
--- a/src/libserialize/json.rs
+++ b/src/libserialize/json.rs
@@ -3481,7 +3481,7 @@ mod tests {
         }
     }
     #[test]
-    #[cfg_attr(target_word_size = "32", ignore)] // FIXME(#14064)
+    #[cfg_attr(target_pointer_width = "32", ignore)] // FIXME(#14064)
     fn test_streaming_parser() {
         assert_stream_equal(
             r#"{ "foo":"bar", "array" : [0, 1, 2, 3, 4, 5], "idents":[null,true,false]}"#,
@@ -3520,7 +3520,7 @@ mod tests {
     }
 
     #[test]
-    #[cfg_attr(target_word_size = "32", ignore)] // FIXME(#14064)
+    #[cfg_attr(target_pointer_width = "32", ignore)] // FIXME(#14064)
     fn test_read_object_streaming() {
         assert_eq!(last_event("{ "),      Error(SyntaxError(EOFWhileParsingObject, 1, 3)));
         assert_eq!(last_event("{1"),      Error(SyntaxError(KeyMustBeAString,      1, 2)));
@@ -3604,7 +3604,7 @@ mod tests {
         );
     }
     #[test]
-    #[cfg_attr(target_word_size = "32", ignore)] // FIXME(#14064)
+    #[cfg_attr(target_pointer_width = "32", ignore)] // FIXME(#14064)
     fn test_read_array_streaming() {
         assert_stream_equal(
             "[]",
diff --git a/src/libstd/num/mod.rs b/src/libstd/num/mod.rs
index f433cd1e664..9c6911cf4d1 100644
--- a/src/libstd/num/mod.rs
+++ b/src/libstd/num/mod.rs
@@ -424,12 +424,14 @@ mod tests {
         assert_eq!(int::MIN.to_u32(),  None);
         assert_eq!(int::MIN.to_u64(),  None);
 
-        #[cfg(target_word_size = "32")]
+        #[cfg(any(all(stage0, target_word_size = "32"),
+                  all(not(stage0), target_pointer_width = "32")))]
         fn check_word_size() {
             assert_eq!(int::MIN.to_i32(), Some(int::MIN as i32));
         }
 
-        #[cfg(target_word_size = "64")]
+        #[cfg(any(all(stage0, target_word_size = "64"),
+                  all(not(stage0), target_pointer_width = "64")))]
         fn check_word_size() {
             assert_eq!(int::MIN.to_i32(), None);
         }
@@ -492,12 +494,14 @@ mod tests {
         assert_eq!(i64::MIN.to_u32(),  None);
         assert_eq!(i64::MIN.to_u64(),  None);
 
-        #[cfg(target_word_size = "32")]
+        #[cfg(any(all(stage0, target_word_size = "32"),
+                  all(not(stage0), target_pointer_width = "32")))]
         fn check_word_size() {
             assert_eq!(i64::MIN.to_int(), None);
         }
 
-        #[cfg(target_word_size = "64")]
+        #[cfg(any(all(stage0, target_word_size = "64"),
+                  all(not(stage0), target_pointer_width = "64")))]
         fn check_word_size() {
             assert_eq!(i64::MIN.to_int(), Some(i64::MIN as int));
         }
@@ -517,13 +521,15 @@ mod tests {
         // int::MAX.to_u32() is word-size specific
         assert_eq!(int::MAX.to_u64(),  Some(int::MAX as u64));
 
-        #[cfg(target_word_size = "32")]
+        #[cfg(any(all(stage0, target_word_size = "32"),
+                  all(not(stage0), target_pointer_width = "32")))]
         fn check_word_size() {
             assert_eq!(int::MAX.to_i32(), Some(int::MAX as i32));
             assert_eq!(int::MAX.to_u32(), Some(int::MAX as u32));
         }
 
-        #[cfg(target_word_size = "64")]
+        #[cfg(any(all(stage0, target_word_size = "64"),
+                  all(not(stage0), target_pointer_width = "64")))]
         fn check_word_size() {
             assert_eq!(int::MAX.to_i32(), None);
             assert_eq!(int::MAX.to_u32(), None);
@@ -587,13 +593,15 @@ mod tests {
         assert_eq!(i64::MAX.to_u32(),  None);
         assert_eq!(i64::MAX.to_u64(),  Some(i64::MAX as u64));
 
-        #[cfg(target_word_size = "32")]
+        #[cfg(any(all(stage0, target_word_size = "32"),
+                  all(not(stage0), target_pointer_width = "32")))]
         fn check_word_size() {
             assert_eq!(i64::MAX.to_int(),  None);
             assert_eq!(i64::MAX.to_uint(), None);
         }
 
-        #[cfg(target_word_size = "64")]
+        #[cfg(any(all(stage0, target_word_size = "64"),
+                  all(not(stage0), target_pointer_width = "64")))]
         fn check_word_size() {
             assert_eq!(i64::MAX.to_int(),  Some(i64::MAX as int));
             assert_eq!(i64::MAX.to_uint(), Some(i64::MAX as uint));
@@ -684,13 +692,15 @@ mod tests {
         // uint::MAX.to_u32() is word-size specific
         assert_eq!(uint::MAX.to_u64(),  Some(uint::MAX as u64));
 
-        #[cfg(target_word_size = "32")]
+        #[cfg(any(all(stage0, target_word_size = "32"),
+                  all(not(stage0), target_pointer_width = "32")))]
         fn check_word_size() {
             assert_eq!(uint::MAX.to_u32(), Some(uint::MAX as u32));
             assert_eq!(uint::MAX.to_i64(), Some(uint::MAX as i64));
         }
 
-        #[cfg(target_word_size = "64")]
+        #[cfg(any(all(stage0, target_word_size = "64"),
+                  all(not(stage0), target_pointer_width = "64")))]
         fn check_word_size() {
             assert_eq!(uint::MAX.to_u32(), None);
             assert_eq!(uint::MAX.to_i64(), None);
@@ -740,12 +750,14 @@ mod tests {
         assert_eq!(u32::MAX.to_u32(),  Some(u32::MAX as u32));
         assert_eq!(u32::MAX.to_u64(),  Some(u32::MAX as u64));
 
-        #[cfg(target_word_size = "32")]
+        #[cfg(any(all(stage0, target_word_size = "32"),
+                  all(not(stage0), target_pointer_width = "32")))]
         fn check_word_size() {
             assert_eq!(u32::MAX.to_int(),  None);
         }
 
-        #[cfg(target_word_size = "64")]
+        #[cfg(any(all(stage0, target_word_size = "64"),
+                  all(not(stage0), target_pointer_width = "64")))]
         fn check_word_size() {
             assert_eq!(u32::MAX.to_int(),  Some(u32::MAX as int));
         }
@@ -766,12 +778,14 @@ mod tests {
         assert_eq!(u64::MAX.to_u32(),  None);
         assert_eq!(u64::MAX.to_u64(),  Some(u64::MAX as u64));
 
-        #[cfg(target_word_size = "32")]
+        #[cfg(any(all(stage0, target_word_size = "32"),
+                  all(not(stage0), target_pointer_width = "32")))]
         fn check_word_size() {
             assert_eq!(u64::MAX.to_uint(), None);
         }
 
-        #[cfg(target_word_size = "64")]
+        #[cfg(any(all(stage0, target_word_size = "64"),
+                  all(not(stage0), target_pointer_width = "64")))]
         fn check_word_size() {
             assert_eq!(u64::MAX.to_uint(), Some(u64::MAX as uint));
         }
diff --git a/src/libstd/rand/mod.rs b/src/libstd/rand/mod.rs
index d3e6cd166ec..91e3b4a0687 100644
--- a/src/libstd/rand/mod.rs
+++ b/src/libstd/rand/mod.rs
@@ -230,9 +230,9 @@ use rc::Rc;
 use result::Result::{Ok, Err};
 use vec::Vec;
 
-#[cfg(not(target_word_size="64"))]
+#[cfg(any(all(stage0, target_word_size = "32"), all(not(stage0), target_pointer_width = "32")))]
 use core_rand::IsaacRng as IsaacWordRng;
-#[cfg(target_word_size="64")]
+#[cfg(any(all(stage0, target_word_size = "64"), all(not(stage0), target_pointer_width = "64")))]
 use core_rand::Isaac64Rng as IsaacWordRng;
 
 pub use core_rand::{Rand, Rng, SeedableRng, Open01, Closed01};
diff --git a/src/libstd/sys/common/backtrace.rs b/src/libstd/sys/common/backtrace.rs
index be44aa99f49..f6161ec193d 100644
--- a/src/libstd/sys/common/backtrace.rs
+++ b/src/libstd/sys/common/backtrace.rs
@@ -12,8 +12,11 @@ use prelude::v1::*;
 
 use io::IoResult;
 
-#[cfg(target_word_size = "64")] pub const HEX_WIDTH: uint = 18;
-#[cfg(target_word_size = "32")] pub const HEX_WIDTH: uint = 10;
+#[cfg(any(all(stage0, target_word_size = "64"), all(not(stage0), target_pointer_width = "64")))]
+pub const HEX_WIDTH: uint = 18;
+
+#[cfg(any(all(stage0, target_word_size = "32"), all(not(stage0), target_pointer_width = "32")))]
+pub const HEX_WIDTH: uint = 10;
 
 // All rust symbols are in theory lists of "::"-separated identifiers. Some
 // assemblers, however, can't handle these characters in symbol names. To get
diff --git a/src/libstd/sys/unix/c.rs b/src/libstd/sys/unix/c.rs
index cc661877bc0..1d523ed6edd 100644
--- a/src/libstd/sys/unix/c.rs
+++ b/src/libstd/sys/unix/c.rs
@@ -169,13 +169,13 @@ mod signal {
     unsafe impl ::marker::Sync for sigaction { }
 
     #[repr(C)]
-    #[cfg(target_word_size = "32")]
+    #[cfg(any(all(stage0, target_word_size = "32"), all(not(stage0), target_pointer_width = "32")))]
     pub struct sigset_t {
         __val: [libc::c_ulong; 32],
     }
 
     #[repr(C)]
-    #[cfg(target_word_size = "64")]
+    #[cfg(any(all(stage0, target_word_size = "64"), all(not(stage0), target_pointer_width = "64")))]
     pub struct sigset_t {
         __val: [libc::c_ulong; 16],
     }
diff --git a/src/libstd/sys/unix/stack_overflow.rs b/src/libstd/sys/unix/stack_overflow.rs
index 1fd619a28db..48a51813ba4 100644
--- a/src/libstd/sys/unix/stack_overflow.rs
+++ b/src/libstd/sys/unix/stack_overflow.rs
@@ -182,12 +182,14 @@ mod imp {
             sa_restorer: *mut libc::c_void,
         }
 
-        #[cfg(target_word_size = "32")]
+        #[cfg(any(all(stage0, target_word_size = "32"),
+                  all(not(stage0), target_pointer_width = "32")))]
         #[repr(C)]
         pub struct sigset_t {
             __val: [libc::c_ulong; 32],
         }
-        #[cfg(target_word_size = "64")]
+        #[cfg(any(all(stage0, target_word_size = "64"),
+                  all(not(stage0), target_pointer_width = "64")))]
         #[repr(C)]
         pub struct sigset_t {
             __val: [libc::c_ulong; 16],
diff --git a/src/test/compile-fail/huge-enum.rs b/src/test/compile-fail/huge-enum.rs
index 7c7a75abf3f..aef1fa85e0d 100644
--- a/src/test/compile-fail/huge-enum.rs
+++ b/src/test/compile-fail/huge-enum.rs
@@ -12,12 +12,12 @@
 
 // FIXME: work properly with higher limits
 
-#[cfg(target_word_size = "32")]
+#[cfg(any(all(stage0, target_word_size = "32"), all(not(stage0), target_pointer_width = "32")))]
 fn main() {
     let big: Option<[u32; (1<<29)-1]> = None;
 }
 
-#[cfg(target_word_size = "64")]
+#[cfg(any(all(stage0, target_word_size = "64"), all(not(stage0), target_pointer_width = "64")))]
 fn main() {
     let big: Option<[u32; (1<<45)-1]> = None;
 }
diff --git a/src/test/compile-fail/issue-17913.rs b/src/test/compile-fail/issue-17913.rs
index 3224edb381c..7ae8dfef9bc 100644
--- a/src/test/compile-fail/issue-17913.rs
+++ b/src/test/compile-fail/issue-17913.rs
@@ -10,14 +10,14 @@
 
 // error-pattern: too big for the current architecture
 
-#[cfg(target_word_size = "64")]
+#[cfg(any(all(stage0, target_word_size = "64"), all(not(stage0), target_pointer_width = "64")))]
 fn main() {
     let n = 0u;
     let a = box [&n; 0xF000000000000000u];
     println!("{}", a[0xFFFFFFu]);
 }
 
-#[cfg(target_word_size = "32")]
+#[cfg(any(all(stage0, target_word_size = "32"), all(not(stage0), target_pointer_width = "32")))]
 fn main() {
     let n = 0u;
     let a = box [&n; 0xFFFFFFFFu];
diff --git a/src/test/run-pass/huge-largest-array.rs b/src/test/run-pass/huge-largest-array.rs
index e24731546ed..e1b0c115365 100644
--- a/src/test/run-pass/huge-largest-array.rs
+++ b/src/test/run-pass/huge-largest-array.rs
@@ -10,12 +10,12 @@
 
 use std::mem::size_of;
 
-#[cfg(target_word_size = "32")]
+#[cfg(any(all(stage0, target_word_size = "32"), all(not(stage0), target_pointer_width = "32")))]
 pub fn main() {
     assert_eq!(size_of::<[u8; (1 << 31) - 1]>(), (1 << 31) - 1);
 }
 
-#[cfg(target_word_size = "64")]
+#[cfg(any(all(stage0, target_word_size = "64"), all(not(stage0), target_pointer_width = "64")))]
 pub fn main() {
     assert_eq!(size_of::<[u8; (1 << 47) - 1]>(), (1 << 47) - 1);
 }
diff --git a/src/test/run-pass/vec-fixed-length.rs b/src/test/run-pass/vec-fixed-length.rs
index 20e1becd008..101999bbe08 100644
--- a/src/test/run-pass/vec-fixed-length.rs
+++ b/src/test/run-pass/vec-fixed-length.rs
@@ -21,7 +21,7 @@ pub fn main() {
 
     // FIXME #10183
     // FIXME #18069
-    //if cfg!(target_word_size = "64") {
+    //if cfg!(target_pointer_width = "64") {
     //    assert_eq!(size_of::<[u8; (1 << 32)]>(), (1u << 32));
     //}
 }