Run stdarch tests in the CI

Author: antoyo

.github/workflows/release.yml

@@ -110,3 +110,8 @@ jobs:
     - name: Run tests
       run: |
         ./test.sh --release --clean --release-sysroot --build-sysroot --mini-tests --std-tests # --test-libcore # FIXME(antoyo): libcore tests fail.
+
+    - name: Run stdarch tests
+      run: |
+        cd build_sysroot/sysroot_src/library/stdarch/
+        CHANNEL=release TARGET=x86_64-unknown-linux-gnu ../../../../cargo.sh test

src/base.rs

@@ -101,7 +101,7 @@ pub fn compile_codegen_unit<'tcx>(tcx: TyCtxt<'tcx>, cgu_name: Symbol, supports_
         context.add_command_line_option("-m64");
         context.add_command_line_option("-mbmi");
         context.add_command_line_option("-mgfni");
-        context.add_command_line_option("-mavxvnni");
+        //context.add_command_line_option("-mavxvnni"); // The CI doesn't support this option.
         context.add_command_line_option("-mf16c");
         context.add_command_line_option("-maes");
         context.add_command_line_option("-mxsavec");