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Re: What to do with gcc 3.4 regression on Itanium 1?
- From: "H. J. Lu" <hjl at lucon dot org>
- To: Jim Wilson <wilson at specifixinc dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Wed, 2 Jun 2004 12:50:05 -0700
- Subject: Re: What to do with gcc 3.4 regression on Itanium 1?
- References: <20040525223432.GA14649@lucon.org> <40B3CC8A.8000906@redhat.com> <20040525224855.GA14915@lucon.org> <40BC2FCD.3060006@specifixinc.com>
On Tue, Jun 01, 2004 at 12:27:09AM -0700, Jim Wilson wrote:
> H. J. Lu wrote:
> >It looks like a typo to me.
>
> Which part exactly is the typo? These ambiguous bug reports are not
> very useful.
>
> It looks OK to me. 1_ialu is used when both bundling_p and
> ia64_produce_address_p are false. 1_ialu_addr is used when bundling is
> false and ia64_produce_address_p is true. 1b_ialu is used when bundling
> is true and ia64_produce_address_p is false. 1b_ialu_addr is used when
> both bundling are ia64_produce_address_p are true.
Doesn't "1_M"/"1b_M" mean that "1_ialu_addr"/"1b_ialu_addr" will be
used for M unit only? That contradicts the comment
;; ??? howto describe ialu for I slot only. We use ialu_addr for that
which implies "ialu_addr" is for I unit.
H.J.