LOG_LINKS

[Joern Rennecke]

> 1. Is there another insn code for which LOG_LINKS erroneously returns a
> non-zero value?

This is not an error.  It is rather an error to use the LOG_LINKS macro
on these rtxes, since they do not contain a LOG_LINKS field.

You can probably use a test like:
  if (GET_RTX_CLASS (GET_CODE (insn)) == 'i')
in your code.

The fields of the various rtx types are explained in rtl.texi.