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Re: rhug failure on alpha
- From: Tom Tromey <tromey at redhat dot com>
- To: Jeff Sturm <jsturm at one-point dot com>
- Cc: Java Discuss List <java at gcc dot gnu dot org>
- Date: 18 Mar 2002 10:24:33 -0700
- Subject: Re: rhug failure on alpha
- References: <Pine.LNX.4.10.10203181020360.24199-100000@mars.deadcafe.org>
- Reply-to: tromey at redhat dot com
>>>>> "Jeff" == Jeff Sturm <jsturm@one-point.com> writes:
Jeff> I'd guess this doesn't happen on x86? What revision of alpha
Jeff> (output of config.guess)?
alphaev67-unknown-linux-gnu
It doesn't happen on x86.
Jeff> Early alphas didn't have byte load/store instructions, so
Jeff> perhaps a BIT_FIELD_REF is generated somewhere to mask out the
Jeff> needed bits. I don't know why this would appear up at the tree
Jeff> level though. It sure doesn't have any relevance to bytecode.
I'm guessing it is introduced somewhere in fold-const or something
like that, as an optimization of some kind. At least, that's
possible. There could be other explanations.
Tom