[GROOVY-10395] SC: <=> compiled to ScriptBytecodeAdapter#compareTo for primitives

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0-rc-2
• Component/s: Static compilation
• Assignee: Eric Milles
• Reporter: Eric Milles
• Created: 28/Nov/21 18:02
• Updated: 03/Feb/22 22:29
• Resolved: 29/Nov/21 19:20

Description

Consider the following:

@groovy.transform.CompileStatic
int cmp(int a, int b) {
  a <=> b
}

"a <=> b" for primitive types is not optimized to make use of Integer#compare or similar – instead it is transformed into ScriptBytecodeAdapter.compareTo(a,b)