Remove asmjs

compiler/rustc_codegen_llvm/src/back/write.rs

@@ -990,11 +990,7 @@ unsafe fn embed_bitcode(
  // reason (see issue #90326 for historical background).
  let is_aix = target_is_aix(cgcx);
  let is_apple = target_is_apple(cgcx);
- if is_apple
- || is_aix
- || cgcx.opts.target_triple.triple().starts_with("wasm")
- || cgcx.opts.target_triple.triple().starts_with("asmjs")
- {
+ if is_apple || is_aix || cgcx.opts.target_triple.triple().starts_with("wasm") {
  // We don't need custom section flags, create LLVM globals.
  let llconst = common::bytes_in_context(llcx, bitcode);
  let llglobal = llvm::LLVMAddGlobal(

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -2251,9 +2251,9 @@ fn linker_with_args<'a>(
  // ------------ Late order-dependent options ------------
 
  // Doesn't really make sense.
- // FIXME: In practice built-in target specs use this for arbitrary order-independent options,
- // introduce a target spec option for order-independent linker options, migrate built-in specs
- // to it and remove the option.
+ // FIXME: In practice built-in target specs use this for arbitrary order-independent options.
+ // Introduce a target spec option for order-independent linker options, migrate built-in specs
+ // to it and remove the option. Currently the last holdout is wasm32-unknown-emscripten.
  add_post_link_args(cmd, sess, flavor);
 
  Ok(cmd.take_cmd())

compiler/rustc_target/src/abi/call/mod.rs

@@ -836,7 +836,6 @@ impl<'a, Ty> FnAbi<'a, Ty> {
  wasm::compute_c_abi_info(cx, self)
  }
  }
- "asmjs" => wasm::compute_c_abi_info(cx, self),
  "bpf" => bpf::compute_abi_info(self),
  arch => {
  return Err(AdjustForForeignAbiError::Unsupported {

compiler/rustc_target/src/spec/mod.rs

@@ -1641,7 +1641,6 @@ supported_targets! {
  ("thumbv7a-pc-windows-msvc", thumbv7a_pc_windows_msvc),
  ("thumbv7a-uwp-windows-msvc", thumbv7a_uwp_windows_msvc),
 
- ("asmjs-unknown-emscripten", asmjs_unknown_emscripten),
  ("wasm32-unknown-emscripten", wasm32_unknown_emscripten),
  ("wasm32-unknown-unknown", wasm32_unknown_unknown),
  ("wasm32-wasi", wasm32_wasi),
@@ -2276,10 +2275,6 @@ impl TargetOptions {
  add_link_args(&mut self.pre_link_args, flavor, args);
  }
 
- fn add_post_link_args(&mut self, flavor: LinkerFlavor, args: &[&'static str]) {
- add_link_args(&mut self.post_link_args, flavor, args);
- }
-
  fn update_from_cli(&mut self) {
  self.linker_flavor = LinkerFlavor::from_cli_json(
  self.linker_flavor_json,

library/core/src/ffi/mod.rs

@@ -241,7 +241,6 @@ impl fmt::Debug for c_void {
  ),
  all(target_arch = "aarch64", any(target_os = "macos", target_os = "ios", target_os = "tvos")),
  target_family = "wasm",
- target_arch = "asmjs",
  target_os = "uefi",
  windows,
 ))]
@@ -270,7 +269,6 @@ pub struct VaListImpl<'f> {
  ),
  all(target_arch = "aarch64", any(target_os = "macos", target_os = "ios", target_os = "tvos")),
  target_family = "wasm",
- target_arch = "asmjs",
  target_os = "uefi",
  windows,
 ))]
@@ -395,7 +393,6 @@ pub struct VaList<'a, 'f: 'a> {
  any(target_os = "macos", target_os = "ios", target_os = "tvos")
  ),
  target_family = "wasm",
- target_arch = "asmjs",
  target_os = "uefi",
  windows,
  ))]
@@ -413,7 +410,6 @@ pub struct VaList<'a, 'f: 'a> {
  not(any(target_os = "macos", target_os = "ios", target_os = "tvos"))
  ),
  not(target_family = "wasm"),
- not(target_arch = "asmjs"),
  not(target_os = "uefi"),
  not(windows),
  ))]
@@ -431,7 +427,6 @@ pub struct VaList<'a, 'f: 'a> {
  ),
  all(target_arch = "aarch64", any(target_os = "macos", target_os = "ios", target_os = "tvos")),
  target_family = "wasm",
- target_arch = "asmjs",
  target_os = "uefi",
  windows,
 ))]
@@ -461,7 +456,6 @@ impl<'f> VaListImpl<'f> {
  not(any(target_os = "macos", target_os = "ios", target_os = "tvos"))
  ),
  not(target_family = "wasm"),
- not(target_arch = "asmjs"),
  not(target_os = "uefi"),
  not(windows),
 ))]

library/std/build.rs

@@ -25,7 +25,6 @@ fn main() {
  || target.contains("vxworks")
  || target.contains("wasm32")
  || target.contains("wasm64")
- || target.contains("asmjs")
  || target.contains("espidf")
  || target.contains("solid")
  || target.contains("nintendo-3ds")

library/std/src/os/l4re/raw.rs

@@ -31,7 +31,6 @@ pub use self::arch::{blkcnt_t, blksize_t, ino_t, nlink_t, off_t, stat, time_t};
  target_arch = "powerpc",
  target_arch = "sparc",
  target_arch = "arm",
- target_arch = "asmjs",
  target_arch = "wasm32"
 ))]
 mod arch {

library/std/src/os/linux/raw.rs

@@ -31,7 +31,6 @@ pub use self::arch::{blkcnt_t, blksize_t, ino_t, nlink_t, off_t, stat, time_t};
  target_arch = "powerpc",
  target_arch = "sparc",
  target_arch = "arm",
- target_arch = "asmjs",
  target_arch = "wasm32"
 ))]
 mod arch {

library/std/src/sys/common/alloc.rs

@@ -14,7 +14,6 @@ use crate::ptr;
  target_arch = "powerpc",
  target_arch = "powerpc64",
  target_arch = "sparc",
- target_arch = "asmjs",
  target_arch = "wasm32",
  target_arch = "hexagon",
  all(target_arch = "riscv32", not(target_os = "espidf")),

library/std/src/sys/unix/env.rs

@@ -174,17 +174,6 @@ pub mod os {
  pub const EXE_EXTENSION: &str = "elf";
 }
 
-#[cfg(all(target_os = "emscripten", target_arch = "asmjs"))]
-pub mod os {
- pub const FAMILY: &str = "unix";
- pub const OS: &str = "emscripten";
- pub const DLL_PREFIX: &str = "lib";
- pub const DLL_SUFFIX: &str = ".so";
- pub const DLL_EXTENSION: &str = "so";
- pub const EXE_SUFFIX: &str = ".js";
- pub const EXE_EXTENSION: &str = "js";
-}
-
 #[cfg(all(target_os = "emscripten", target_arch = "wasm32"))]
 pub mod os {
  pub const FAMILY: &str = "unix";

src/bootstrap/src/lib.rs

@@ -97,7 +97,7 @@ const EXTRA_CHECK_CFGS: &[(Option<Mode>, &str, Option<&[&'static str]>)] = &[
  /* Extra values not defined in the built-in targets yet, but used in std */
  (Some(Mode::Std), "target_env", Some(&["libnx"])),
  // (Some(Mode::Std), "target_os", Some(&[])),
- (Some(Mode::Std), "target_arch", Some(&["asmjs", "spirv", "nvptx", "xtensa"])),
+ (Some(Mode::Std), "target_arch", Some(&["spirv", "nvptx", "xtensa"])),
  /* Extra names used by dependencies */
  // FIXME: Used by serde_json, but we should not be triggering on external dependencies.
  (Some(Mode::Rustc), "no_btreemap_remove_entry", None),

src/ci/docker/host-x86_64/dist-various-1/Dockerfile

@@ -75,8 +75,7 @@ ENV RUN_MAKE_TARGETS=$RUN_MAKE_TARGETS,thumbv7m-none-eabi
 ENV RUN_MAKE_TARGETS=$RUN_MAKE_TARGETS,thumbv7em-none-eabi
 ENV RUN_MAKE_TARGETS=$RUN_MAKE_TARGETS,thumbv7em-none-eabihf
 
-ENV TARGETS=asmjs-unknown-emscripten
-ENV TARGETS=$TARGETS,wasm32-unknown-emscripten
+ENV TARGETS=wasm32-unknown-emscripten
 ENV TARGETS=$TARGETS,arm-unknown-linux-musleabi
 ENV TARGETS=$TARGETS,arm-unknown-linux-musleabihf
 ENV TARGETS=$TARGETS,armv5te-unknown-linux-gnueabi

src/doc/rustc/src/platform-support.md

@@ -148,7 +148,6 @@ target | std | notes
 `armv7a-none-eabi` | * | Bare ARMv7-A
 `armv7r-none-eabi` | * | Bare ARMv7-R
 `armv7r-none-eabihf` | * | Bare ARMv7-R, hardfloat
-`asmjs-unknown-emscripten` | ✓ | asm.js via Emscripten
 `i586-pc-windows-msvc` | * | 32-bit Windows w/o SSE [^x86_32-floats-x87]
 `i586-unknown-linux-gnu` | ✓ | 32-bit Linux w/o SSE (kernel 3.2, glibc 2.17) [^x86_32-floats-x87]
 `i586-unknown-linux-musl` | ✓ | 32-bit Linux w/o SSE, MUSL [^x86_32-floats-x87]

src/librustdoc/clean/cfg.rs

@@ -516,7 +516,6 @@ impl<'a> fmt::Display for Display<'a> {
  (sym::target_arch, Some(arch)) => match arch.as_str() {
  "aarch64" => "AArch64",
  "arm" => "ARM",
- "asmjs" => "JavaScript",
  "loongarch64" => "LoongArch LA64",
  "m68k" => "M68k",
  "csky" => "CSKY",

src/tools/build-manifest/src/main.rs

@@ -82,7 +82,6 @@ static TARGETS: &[&str] = &[
  "armv7r-none-eabi",
  "armv7r-none-eabihf",
  "armv7s-apple-ios",
- "asmjs-unknown-emscripten",
  "bpfeb-unknown-none",
  "bpfel-unknown-none",
  "i386-apple-ios",

src/tools/compiletest/src/common.rs

@@ -396,9 +396,6 @@ impl Config {
 
  pub fn matches_arch(&self, arch: &str) -> bool {
  self.target_cfg().arch == arch ||
- // Shorthand for convenience. The arch for
- // asmjs-unknown-emscripten is actually wasm32.
- (arch == "asmjs" && self.target.starts_with("asmjs")) ||
  // Matching all the thumb variants as one can be convenient.
  // (thumbv6m, thumbv7em, thumbv7m, etc.)
  (arch == "thumb" && self.target.starts_with("thumb"))

src/tools/compiletest/src/header/cfg.rs

@@ -146,19 +146,13 @@ pub(super) fn parse_cfg_name_directive<'a>(
  }
 
  // `wasm32-bare` is an alias to refer to just wasm32-unknown-unknown
- // (in contrast to `wasm32` which also matches non-bare targets like
- // asmjs-unknown-emscripten).
+ // (in contrast to `wasm32` which also matches non-bare targets)
  condition! {
  name: "wasm32-bare",
  condition: config.target == "wasm32-unknown-unknown",
  message: "when the target is WASM"
  }
 
- condition! {
- name: "asmjs",
- condition: config.target.starts_with("asmjs"),
- message: "when the architecture is asm.js",
- }
  condition! {
  name: "thumb",
  condition: config.target.starts_with("thumb"),

src/tools/compiletest/src/header/tests.rs

@@ -396,8 +396,6 @@ fn ignore_arch() {
  ("x86_64-unknown-linux-gnu", "x86_64"),
  ("i686-unknown-linux-gnu", "x86"),
  ("nvptx64-nvidia-cuda", "nvptx64"),
- ("asmjs-unknown-emscripten", "wasm32"),
- ("asmjs-unknown-emscripten", "asmjs"),
  ("thumbv7m-none-eabi", "thumb"),
  ];
  for (target, arch) in archs {
@@ -490,9 +488,6 @@ fn wasm_special() {
  ("wasm32-unknown-unknown", "wasm32", true),
  ("wasm32-unknown-unknown", "wasm32-bare", true),
  ("wasm32-unknown-unknown", "wasm64", false),
- ("asmjs-unknown-emscripten", "emscripten", true),
- ("asmjs-unknown-emscripten", "wasm32", true),
- ("asmjs-unknown-emscripten", "wasm32-bare", false),
  ("wasm32-unknown-emscripten", "emscripten", true),
  ("wasm32-unknown-emscripten", "wasm32", true),
  ("wasm32-unknown-emscripten", "wasm32-bare", false),

src/tools/miri/src/shims/foreign_items.rs

@@ -345,7 +345,7 @@ trait EvalContextExtPriv<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
  // List taken from `library/std/src/sys/common/alloc.rs`.
  // This list should be kept in sync with the one from libstd.
  let min_align = match this.tcx.sess.target.arch.as_ref() {
- "x86" | "arm" | "mips" | "mips32r6" | "powerpc" | "powerpc64" | "asmjs" | "wasm32" => 8,
+ "x86" | "arm" | "mips" | "mips32r6" | "powerpc" | "powerpc64" | "wasm32" => 8,
  "x86_64" | "aarch64" | "mips64" | "mips64r6" | "s390x" | "sparc64" | "loongarch64" =>
  16,
  arch => bug!("unsupported target architecture for malloc: `{}`", arch),

tests/assembly/stack-protector/stack-protector-target-support.rs

@@ -2,7 +2,7 @@
 // targets, with the exception of nvptx64-nvidia-cuda
 //
 // revisions: r1 r2 r3 r4 r5 r6 r7 r8 r9 r10 r11 r12 r13 r14 r15 r16 r17 r18 r19 r20 r21 r22 r23
-// revisions: r24 r25 r26 r27 r28 r29 r30 r31 r32 r33 r34 r35 r36 r37 r38 r39 r40 r41 r42 r43 r44
+// revisions: r24 r25 r26 r27 r28 r29 r30 r31 r32 r33   r35 r36 r37 r38 r39 r40 r41 r42 r43 r44
 // revisions: r45 r46 r47 r48 r49 r50 r51 r52 r53 r54 r55 r56 r57 r58 r59 r60 r61 r62 r63 r64 r65
 // revisions: r66 r67 r68 r69 r70 r71 r72 r73 r74 r75 r76 r77 r78 r79 r80 r81 r82 r83 r84
 // assembly-output: emit-asm
@@ -72,8 +72,7 @@
 // [r32] needs-llvm-components: arm
 // [r33] compile-flags: --target armv7-unknown-linux-musleabihf
 // [r33] needs-llvm-components: arm
-// [r34] compile-flags: --target asmjs-unknown-emscripten
-// [r34] needs-llvm-components: webassembly
+
 // [r35] compile-flags: --target i586-pc-windows-msvc
 // [r35] needs-llvm-components: x86
 // [r36] compile-flags: --target i586-unknown-linux-gnu

tests/incremental/commandline-args.rs

@@ -1,7 +1,6 @@
 // Test that changing a tracked commandline argument invalidates
 // the cache while changing an untracked one doesn't.
 
-// ignore-asmjs wasm2js does not support source maps yet
 // revisions:rpass1 rpass2 rpass3 rpass4
 // compile-flags: -Z query-dep-graph
 

tests/incremental/remapped_paths_cc/main.rs

@@ -2,7 +2,6 @@
 // compile-flags: -Z query-dep-graph -g
 // aux-build:extern_crate.rs
 
-// ignore-asmjs wasm2js does not support source maps yet
 // This test case makes sure that we detect if paths emitted into debuginfo
 // are changed, even when the change happens in an external crate.
 

tests/incremental/span_hash_stable/main.rs

@@ -3,7 +3,6 @@
 // the spans and this test makes sure that we handle them correctly by hashing
 // file:line:column instead of raw byte offset.
 
-// ignore-asmjs wasm2js does not support source maps yet
 // revisions:rpass1 rpass2
 // compile-flags: -g -Z query-dep-graph
 

tests/incremental/spans_in_type_debuginfo.rs

@@ -1,7 +1,6 @@
 // Test that moving a type definition within a source file does not affect
 // re-compilation.
 
-// ignore-asmjs wasm2js does not support source maps yet
 // revisions:rpass1 rpass2
 // compile-flags: -Z query-dep-graph -g
 

tests/incremental/spans_significant_w_debuginfo.rs

@@ -3,7 +3,6 @@
 
 // revisions:rpass1 rpass2
 
-// ignore-asmjs wasm2js does not support source maps yet
 // compile-flags: -g -Z query-dep-graph
 
 #![feature(rustc_attrs)]

tests/ui/abi/variadic-ffi.rs

@@ -8,11 +8,6 @@ use std::ffi::VaList;
 extern "C" {
  fn rust_interesting_average(_: u64, ...) -> f64;
 
- // FIXME: we need to disable this lint for `VaList`,
- // since it contains a `MaybeUninit<i32>` on the asmjs target,
- // and this type isn't FFI-safe. This is OK for now,
- // since the type is layout-compatible with `i32`.
- #[cfg_attr(target_arch = "asmjs", allow(improper_ctypes))]
  fn rust_valist_interesting_average(_: u64, _: VaList) -> f64;
 }
 

tests/ui/async-await/issue-60709.rs

@@ -3,7 +3,6 @@
 // compile-flags: -Copt-level=z -Cdebuginfo=2 --edition=2018
 
 // run-pass
-// ignore-asmjs wasm2js does not support source maps yet
 
 use std::future::Future;
 use std::task::Poll;

tests/ui/binding/match-arm-statics.rs

@@ -1,7 +1,6 @@
 // run-pass
 #![allow(dead_code)]
 // compile-flags: -g
-// ignore-asmjs wasm2js does not support source maps yet
 
 #[derive(PartialEq, Eq)]
 struct NewBool(bool);