const internal/goarch.IsAmd64

5 uses

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

	runtime
		malloc.go#L314: 	arenaBaseOffset = 0xffff800000000000*goarch.IsAmd64 + 0x0a00000000000000*goos.IsAix
		stubs.go#L131: 	if goarch.IsAmd64|goarch.IsArm64|goarch.IsPpc64|
		stubs.go#L437: var intArgRegs = abi.IntArgRegs * (goexperiment.RegabiArgsInt | goarch.IsAmd64)
		trace.go#L89: 	traceTickDiv = 16 + 48*(goarch.Is386|goarch.IsAmd64)