Fix warnings

src/attributes.rs

@@ -1,4 +1,6 @@
-use gccjit::{FnAttribute, Function};
+#[cfg_attr(not(feature="master"), allow(unused_imports))]
+use gccjit::FnAttribute;
+use gccjit::Function;
 use rustc_attr::InstructionSetAttr;
 use rustc_codegen_ssa::target_features::tied_target_features;
 use rustc_data_structures::fx::FxHashMap;
@@ -72,6 +74,7 @@ fn to_gcc_features<'a>(sess: &Session, s: &'a str) -> SmallVec<[&'a str; 2]> {
 /// attributes.
 pub fn from_fn_attrs<'gcc, 'tcx>(
     cx: &CodegenCx<'gcc, 'tcx>,
+    #[cfg_attr(not(feature="master"), allow(unused_variables))]
     func: Function<'gcc>,
     instance: ty::Instance<'tcx>,
 ) {
@@ -109,6 +112,7 @@ pub fn from_fn_attrs<'gcc, 'tcx>(
     function_features.extend(&mut global_features);
     let target_features = function_features.join(",");
     if !target_features.is_empty() {
+        #[cfg(feature="master")]
         func.add_attribute(FnAttribute::Target, &target_features);
     }
 }

src/base.rs

@@ -100,20 +100,6 @@ pub fn compile_codegen_unit<'tcx>(tcx: TyCtxt<'tcx>, cgu_name: Symbol, supports_
         context.add_command_line_option("-mvpclmulqdq");
         context.add_command_line_option("-mavx");
 
-        if env::var("CG_GCCJIT_ENABLE_AVX512").as_deref() == Ok("1") {
-            context.add_command_line_option("-mavx512f");
-            context.add_command_line_option("-mavx512vpopcntdq");
-            context.add_command_line_option("-mavx512vl");
-            context.add_command_line_option("-mavx512vnni");
-            context.add_command_line_option("-mavx512bw");
-            context.add_command_line_option("-mavx512bitalg");
-            context.add_command_line_option("-mavx512bf16");
-            context.add_command_line_option("-mavx512vbmi2");
-            context.add_command_line_option("-mavx512vbmi");
-            context.add_command_line_option("-mavx512ifma");
-            context.add_command_line_option("-mavx512cd");
-        }
-
         for arg in &tcx.sess.opts.cg.llvm_args {
             context.add_command_line_option(arg);
         }

src/intrinsic/llvm.rs

@@ -287,9 +287,9 @@ pub fn adjust_intrinsic_arguments<'a, 'b, 'gcc, 'tcx>(builder: &Builder<'a, 'gcc
 pub fn adjust_intrinsic_return_value<'a, 'gcc, 'tcx>(builder: &Builder<'a, 'gcc, 'tcx>, mut return_value: RValue<'gcc>, func_name: &str, args: &[RValue<'gcc>], args_adjusted: bool) -> RValue<'gcc> {
     match func_name {
         "__builtin_ia32_vfmaddss3_round" | "__builtin_ia32_vfmaddsd3_round" => {
-            let zero = builder.context.new_rvalue_zero(builder.int_type);
             #[cfg(feature="master")]
             {
+                let zero = builder.context.new_rvalue_zero(builder.int_type);
                 return_value = builder.context.new_vector_access(None, return_value, zero).to_rvalue();
             }
         },

src/intrinsic/simd.rs

@@ -1,4 +1,6 @@
-use gccjit::{BinaryOp, RValue, Type, ToRValue, ComparisonOp, UnaryOp};
+#[cfg_attr(not(feature="master"), allow(unused_imports))]
+use gccjit::{ToRValue, ComparisonOp, UnaryOp};
+use gccjit::{BinaryOp, RValue, Type};
 use rustc_codegen_ssa::base::compare_simd_types;
 use rustc_codegen_ssa::common::{TypeKind, span_invalid_monomorphization_error};
 use rustc_codegen_ssa::mir::operand::OperandRef;

src/lib.rs

@@ -190,24 +190,6 @@ pub struct GccContext {
     context: Context<'static>,
 }
 
-impl GccContext {
-    fn new<'tcx>(tcx: TyCtxt<'tcx>) -> Self {
-        let context = create_context(tcx);
-        Self {
-            context,
-        }
-    }
-}
-
-fn create_context<'gcc, 'tcx>(tcx: TyCtxt<'tcx>) -> Context<'gcc> {
-    let context = Context::default();
-    if tcx.sess.target.is_builtin {
-        //let features = global_gcc_features(sess, false);
-        println!("Features: {:?}", tcx.sess.opts.cg.target_feature);
-    }
-    context
-}
-
 unsafe impl Send for GccContext {}
 // FIXME(antoyo): that shouldn't be Sync. Parallel compilation is currently disabled with "-Zno-parallel-llvm". Try to disable it here.
 unsafe impl Sync for GccContext {}