[RFA:] Split REG_LABEL into REG_LABEL_TARGET and REG_LABEL_OPERAND

[Hans-Peter Nilsson]

> Date: Mon, 30 Jan 2006 21:31:10 +0100
> From: Hans-Peter Nilsson <hp@axis.com>

> This patch has been bootstrapped and regression-tested on
> i686-pc-linux-gnu (FC2) and regression-tested cross to cris-axis-elf,
> cris-axis-linux-gnu, mmix-knuth-mmixware, sh-elf, sh64-elf and mips-elf.
> The documentation changes have been "make info dvi" and those parts of
> gccint.dvi visually inspected.

I forgot to mention that I also built cc1 for an alpha target
(which one, I've since forgot) with the earlier version, to
sanity-check the (purely textual) alpha.md changes.

brgds, H-P