codekingpro/portable-devtools

1// asmcheck -gcflags=-spectre=ret2 3//go:build amd644 5package codegen6 7func CallFunc(f func()) {8	// amd64:`CALL runtime.retpoline`9	f()10}11 12func CallInterface(x interface{ M() }) {13	// amd64:`CALL runtime.retpoline`14	x.M()15}16 17// Check to make sure that jump tables are disabled18// when retpoline is on. See issue 57097.19func noJumpTables(x int) int {20	switch x {21	case 0:22		return 023	case 1:24		return 125	case 2:26		return 227	case 3:28		return 329	case 4:30		return 431	case 5:32		return 533	case 6:34		return 635	case 7:36		return 737	case 8:38		return 839	case 9:40		return 941	}42	return 1043}44