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Merge pull request #504 from rust-lang/fix/aarch64

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Some fixes for aarch64
This commit is contained in:
antoyo 2024-04-24 20:37:34 -04:00 committed by GitHub
commit d408f23622
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3 changed files with 23 additions and 9 deletions
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8
src/attributes.rs
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@ -128,6 +128,12 @@ pub fn from_fn_attrs<'gcc, 'tcx>(
.join(",");
if !target_features.is_empty() {
#[cfg(feature = "master")]
func.add_attribute(FnAttribute::Target(&target_features));
match cx.sess().target.arch.as_ref() {
"x86" | "x86_64" | "powerpc" => {
func.add_attribute(FnAttribute::Target(&target_features))
}
// The target attribute is not supported on other targets in GCC.
_ => (),
}
}
}

2
src/builder.rs
View File

@ -1129,7 +1129,7 @@ fn atomic_store(
// the following cast is required to avoid this error:
// gcc_jit_context_new_call: mismatching types for argument 2 of function "__atomic_store_4": assignment to param arg1 (type: int) from loadedValue3577 (type: unsigned int __attribute__((aligned(4))))
let int_type = atomic_store.get_param(1).to_rvalue().get_type();
let value = self.context.new_cast(self.location, value, int_type);
let value = self.context.new_bitcast(self.location, value, int_type);
self.llbb().add_eval(
self.location,
self.context.new_call(self.location, atomic_store, &[ptr, value, ordering]),

12
src/intrinsic/llvm.rs
View File

@ -629,14 +629,22 @@ pub fn intrinsic<'gcc, 'tcx>(name: &str, cx: &CodegenCx<'gcc, 'tcx>) -> Function
#[cfg(feature = "master")]
pub fn intrinsic<'gcc, 'tcx>(name: &str, cx: &CodegenCx<'gcc, 'tcx>) -> Function<'gcc> {
if name == "llvm.prefetch" {
let gcc_name = match name {
"llvm.prefetch" => {
let gcc_name = "__builtin_prefetch";
let func = cx.context.get_builtin_function(gcc_name);
cx.functions.borrow_mut().insert(gcc_name.to_string(), func);
return func;
}
let gcc_name = match name {
"llvm.aarch64.isb" => {
// FIXME: GCC doesn't support __builtin_arm_isb yet, check if this builtin is OK.
let gcc_name = "__atomic_thread_fence";
let func = cx.context.get_builtin_function(gcc_name);
cx.functions.borrow_mut().insert(gcc_name.to_string(), func);
return func;
}
"llvm.x86.xgetbv" => "__builtin_ia32_xgetbv",
// NOTE: this doc specifies the equivalent GCC builtins: http://huonw.github.io/llvmint/llvmint/x86/index.html
"llvm.sqrt.v2f64" => "__builtin_ia32_sqrtpd",