Add a few miscellaneous comments.

2018-08-11 07:22:38 -07:00
parent f34531ab36
commit d4a83576e4
2 changed files with 3 additions and 1 deletions
--- a/lib/codegen/src/isa/x86/abi.rs
+++ b/lib/codegen/src/isa/x86/abi.rs
@@ -217,6 +217,7 @@ fn callee_saved_gprs(isa: &TargetIsa) -> &'static [RU] {
    }
 }

+/// Get the set of callee-saved registers that are used.
 fn callee_saved_gprs_used(isa: &TargetIsa, func: &ir::Function) -> RegisterSet {
    let mut all_callee_saved = RegisterSet::empty();
    for reg in callee_saved_gprs(isa) {