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is REG_WAS_0 usable in final pass
- To: gcc at gcc dot gnu dot org
- Subject: is REG_WAS_0 usable in final pass
- From: Denis Chertykov <denisc at overta dot ru>
- Date: Sat, 2 Jun 2001 14:32:31 +0400
Is REG_WAS_0 usable in final pass?
(While backend output asm patterns)
`bbro' pass can change REG_WAS_0 note, but bbro don't correct it.
Denis.
PS: Only 3 ports uses REG_WAS_0: vax, tahoe and AVR.
PS: vax and tahoe are pretty dead and I'm worry about AVR port.