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Re: PATCH: Check all insns in fallthru to see if label is mentioned
- From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- To: dave at hiauly1 dot hia dot nrc dot ca
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Sun, 9 Dec 01 20:36:42 EST
- Subject: Re: PATCH: Check all insns in fallthru to see if label is mentioned
In looking at the rtl, I also noticed virtual-stack-vars are being
referenced before they are initialized. For example, I see the
following rtl in main:
This is to preserve the original value of the other bits in the byte
containing the field. Yes, they are undefined here, but the bitfield
code can't know that.