Merge commit 'c07d1e2f88cb3b1a0604ae8f18b478c1aeb7a7fa' into sync_cg_clif-2023-10-21

Author: bjorn3

.cirrus.yml

@@ -3,7 +3,7 @@ task:
   freebsd_instance:
     image: freebsd-13-2-release-amd64
   setup_rust_script:
-    - pkg install -y git bash
+    - pkg install -y git bash binutils
     - curl https://sh.rustup.rs -sSf --output rustup.sh
     - sh rustup.sh --default-toolchain none -y --profile=minimal
   target_cache:

.github/workflows/main.yml

@@ -50,10 +50,12 @@ jobs:
           - os: ubuntu-latest
             env:
               TARGET_TRIPLE: aarch64-unknown-linux-gnu
-          # s390x requires QEMU 6.1 or greater, we could build it from source, but ubuntu 22.04 comes with 6.2 by default
           - os: ubuntu-latest
             env:
               TARGET_TRIPLE: s390x-unknown-linux-gnu
+          - os: ubuntu-latest
+            env:
+              TARGET_TRIPLE: riscv64gc-unknown-linux-gnu
           - os: windows-latest
             env:
               TARGET_TRIPLE: x86_64-pc-windows-msvc
@@ -92,6 +94,12 @@ jobs:
         sudo apt-get update
         sudo apt-get install -y gcc-s390x-linux-gnu qemu-user
 
+    - name: Install riscv64gc toolchain and qemu
+      if: matrix.env.TARGET_TRIPLE == 'riscv64gc-unknown-linux-gnu'
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y gcc-riscv64-linux-gnu qemu-user
+
     - name: Prepare dependencies
       run: ./y.sh prepare
 

Cargo.lock

@@ -8,12 +8,12 @@ crate-type = ["dylib"]
 
 [dependencies]
 # These have to be in sync with each other
-cranelift-codegen = { version = "0.100", features = ["unwind", "all-arch"] }
-cranelift-frontend = { version = "0.100" }
-cranelift-module = { version = "0.100" }
-cranelift-native = { version = "0.100" }
-cranelift-jit = { version = "0.100", optional = true }
-cranelift-object = { version = "0.100" }
+cranelift-codegen = { version = "0.101", features = ["unwind", "all-arch"] }
+cranelift-frontend = { version = "0.101" }
+cranelift-module = { version = "0.101" }
+cranelift-native = { version = "0.101" }
+cranelift-jit = { version = "0.101", optional = true }
+cranelift-object = { version = "0.101" }
 target-lexicon = "0.12.0"
 gimli = { version = "0.28", default-features = false, features = ["write"]}
 object = { version = "0.32", default-features = false, features = ["std", "read_core", "write", "archive", "coff", "elf", "macho", "pe"] }

Cargo.toml

@@ -1,3 +1,4 @@
+use std::env;
 use std::fs;
 use std::path::{Path, PathBuf};
 use std::process::Command;
@@ -259,6 +260,14 @@ fn build_clif_sysroot_for_triple(
         // inlining.
         rustflags.push("-Zinline-mir".to_owned());
     }
+    if let Some(prefix) = env::var_os("CG_CLIF_STDLIB_REMAP_PATH_PREFIX") {
+        rustflags.push("--remap-path-prefix".to_owned());
+        rustflags.push(format!(
+            "{}={}",
+            STDLIB_SRC.to_path(dirs).to_str().unwrap(),
+            prefix.to_str().unwrap()
+        ));
+    }
     compiler.rustflags.extend(rustflags);
     let mut build_cmd = STANDARD_LIBRARY.build(&compiler, dirs);
     maybe_incremental(&mut build_cmd);

build_system/build_sysroot.rs

@@ -143,6 +143,7 @@ impl GitRepo {
             RelPath::PATCHES.to_path(dirs).join(format!("{}-lock.toml", self.patch_name));
         let target_lockfile = download_dir.join("Cargo.lock");
         if source_lockfile.exists() {
+            assert!(!target_lockfile.exists());
             fs::copy(source_lockfile, target_lockfile).unwrap();
         } else {
             assert!(target_lockfile.exists());

build_system/prepare.rs

@@ -104,8 +104,8 @@ const BASE_SYSROOT_SUITE: &[TestCase] = &[
 pub(crate) static RAND_REPO: GitRepo = GitRepo::github(
     "rust-random",
     "rand",
-    "f3dd0b885c4597b9617ca79987a0dd899ab29fcb",
-    "3f869e4fcd602b66",
+    "9a02c819cc1e4ec6959ae25eafbb5cf6acb68234",
+    "4934f0afb1d1c2ca",
     "rand",
 );
 
@@ -125,7 +125,7 @@ pub(crate) static PORTABLE_SIMD_REPO: GitRepo = GitRepo::github(
     "rust-lang",
     "portable-simd",
     "4825b2a64d765317066948867e8714674419359b",
-    "8b188cc41f5af835",
+    "9e67d07c00f5fb0b",
     "portable-simd",
 );
 

build_system/tests.rs

@@ -42,6 +42,16 @@ impl Compiler {
                     "/usr/s390x-linux-gnu".to_owned(),
                 ];
             }
+            "riscv64gc-unknown-linux-gnu" => {
+                // We are cross-compiling for riscv64. Use the correct linker and run tests in qemu.
+                self.rustflags.push("-Clinker=riscv64-linux-gnu-gcc".to_owned());
+                self.rustdocflags.push("-Clinker=riscv64-linux-gnu-gcc".to_owned());
+                self.runner = vec![
+                    "qemu-riscv64".to_owned(),
+                    "-L".to_owned(),
+                    "/usr/riscv64-linux-gnu".to_owned(),
+                ];
+            }
             "x86_64-pc-windows-gnu" => {
                 // We are cross-compiling for Windows. Run tests in wine.
                 self.runner = vec!["wine".to_owned()];