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Re: PR 8146
- From: Joe Buck <jbuck at synopsys dot com>
- To: prj at po dot cwru dot edu (Paul Jarc)
- Cc: gcc at gcc dot gnu dot org
- Date: Fri, 1 Nov 2002 15:27:30 -0800 (PST)
- Subject: Re: PR 8146
I wrote:
> > Can you confirm, by looking at the output from make bootstrap (you saved
> > it, right?), that gcc 3.2 is never given any -O option of any kind?
Paul writes:
> Yes: the first occurrence of the string "-O" in the make output is on
> a line starting with "./xgcc".
Ouch. That would seem to eliminate strict aliasing.
I suppose the next question is to find out what's different. The easiest
way would be to capture the assembly for the three .o files that come out
different and compare that. I have no brilliant ideas.