rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Merge commit 'e4fe941b11a55c5005630696e9b6d81c65f7bd04' into subtree-update_cg_gcc_2023-10-25

Browse Source
This commit is contained in:
Antoni Boucher
2023-10-26 17:42:02 -04:00
parent 8396efecf7 e4fe941b11
commit c797cccda6
47 changed files with 2659 additions and 502 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
compiler/rustc_codegen_gcc/src/intrinsic/llvm.rs
View File

@@ -432,15 +432,21 @@ pub fn ignore_arg_cast(func_name: &str, index: usize, args_len: usize) -> bool {
#[cfg(not(feature="master"))]
pub fn intrinsic<'gcc, 'tcx>(name: &str, cx: &CodegenCx<'gcc, 'tcx>) -> Function<'gcc> {
match name {
"llvm.x86.xgetbv" | "llvm.x86.sse2.pause" => {
let gcc_name = "__builtin_trap";
let func = cx.context.get_builtin_function(gcc_name);
cx.functions.borrow_mut().insert(gcc_name.to_string(), func);
return func;
},
_ => unimplemented!("unsupported LLVM intrinsic {}", name),
}
let gcc_name =
match name {
"llvm.x86.sse2.pause" => {
// NOTE: pause is only a hint, so we use a dummy built-in because target built-ins
// are not supported in libgccjit 12.
"__builtin_inff"
},
"llvm.x86.xgetbv" => {
"__builtin_trap"
},
_ => unimplemented!("unsupported LLVM intrinsic {}", name),
};
let func = cx.context.get_builtin_function(gcc_name);
cx.functions.borrow_mut().insert(gcc_name.to_string(), func);
return func;
}
#[cfg(feature="master")]