const internal/goarch.IsAmd64

4 uses

	internal/goarch (current package)
		zgoarch_amd64.go#L10: const IsAmd64 = 1

	runtime
		malloc.go#L308: 	arenaBaseOffset = 0xffff800000000000*goarch.IsAmd64 + 0x0a00000000000000*goos.IsAix
		panic.go#L1213: 	case goarch.IsAmd64 != 0:
		rand.go#L196: 	if goarch.IsAmd64|goarch.IsArm64|goarch.IsPpc64|