[meta] Simplify and comment instruction building a bit;

2019-09-03 18:14:58 +02:00
parent 0acddc08ea
commit 38656cce35
2 changed files with 67 additions and 73 deletions
--- a/cranelift/codegen/meta/src/cdsl/formats.rs
+++ b/cranelift/codegen/meta/src/cdsl/formats.rs
@@ -189,7 +189,9 @@ impl FormatRegistry {
            if operand.is_value() {
                num_values += 1;
            }
-            has_varargs = has_varargs || operand.is_varargs();
+            if !has_varargs {
+                has_varargs = operand.is_varargs();
+            }
            if let Some(imm_key) = operand.kind.imm_key() {
                imm_keys.push(imm_key);
            }