t.registerTest("API release note check", &goTest{variant: "check", pkg: "cmd/relnote", testFlags: []string{"-check"}})
		t.registerTest("API check", &goTest{variant: "check", pkg: "cmd/api", timeout: 5 * time.Minute, testFlags: []string{"-check"}})
	}

	// Runtime CPU tests.
	if !t.compileOnly && t.hasParallelism() {
		for i := 1; i <= 4; i *= 2 {

	Op:  OpInvalid,
	Aux: StringToAux("BlockEnd"),
}

var FuncEnd = &Value{
	ID:  -30000,
	Op:  OpInvalid,
	Aux: StringToAux("FuncEnd"),
}

// RegisterSet is a bitmap of registers, indexed by Register.num.
type RegisterSet uint64

// logf prints debug-specific logging to stdout (always stdout) if the
// current function is tagged by GOSSAFUNC (for ssa output directed
// either to stdout or html).