Add support for emitting functions with coldcc in LLVM

The eventual goal is to try using this for things like the internal panicking stuff, to see whether it helps.
2022-05-29 00:25:14 -07:00
parent 0acc4a3585
commit e90be842fb
12 changed files with 128 additions and 3 deletions
--- a/compiler/rustc_target/src/spec/mod.rs
+++ b/compiler/rustc_target/src/spec/mod.rs
@@ -1618,7 +1618,8 @@ impl Target {
            | PlatformIntrinsic
            | Unadjusted
            | Cdecl { .. }
-            | EfiApi => true,
+            | EfiApi
+            | RustCold => true,
            X86Interrupt => ["x86", "x86_64"].contains(&&self.arch[..]),
            Aapcs { .. } => "arm" == self.arch,
            CCmseNonSecureCall => ["arm", "aarch64"].contains(&&self.arch[..]),