nsz Git - libfirm/commit

author	Christoph Mallon <christoph.mallon@gmx.de>
	Thu, 13 Sep 2007 09:48:38 +0000 (09:48 +0000)
committer	Christoph Mallon <christoph.mallon@gmx.de>
	Thu, 13 Sep 2007 09:48:38 +0000 (09:48 +0000)
commit	2371b8fc6ac91c910f501c659871892d1f6d1d06
tree	2365242729190fbbee234fa98a7f693a5a7189c1	tree \| snapshot
parent	706308925e898f1b4cff2330321b0fb9d811e036	commit \| diff

Implement
- -a * const -> a * -const
- -a * -b -> a * b
- -a * (b - c) -> a * (c - b)
- (a - b) * -c -> (b - a) * c

[r15778]