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Re: A question about fold_rtx when it attempts to fold PC

From: Kazu Hirata <kazu at cs dot umass dot edu>
To: dave at hiauly1 dot hia dot nrc dot ca
Cc: gcc at gcc dot gnu dot org, stevenb at suse dot de, dave dot anglin at nrc dot ca, matt at 3am-software dot com
Date: Wed, 26 Jan 2005 11:29:35 -0500 (EST)
Subject: Re: A question about fold_rtx when it attempts to fold PC
References: <20050126.095323.116352535.kazu@cs.umass.edu><200501261556.j0QFuM29029133@hiauly1.hia.nrc.ca>

Hi John,

> It's not true to say that a dispatch table is something that a table
> jump insn references but does not jump to.  There are some implementations
> of the dispatch table on the PA which contain code that's jumped to.

Err, do you mean we jump to a dispatch table itself on PA?  A dispatch
table is a collection of addresses, not something to interpret as
executable code.  I am afraid I am missing something here.  Or do you
mean PA has some executable code between a label and a dispatch table?

Kazu Hirata

Follow-Ups:
- Re: A question about fold_rtx when it attempts to fold PC
  - From: Jeffrey A Law

References:
- A question about fold_rtx when it attempts to fold PC
  - From: Kazu Hirata
- Re: A question about fold_rtx when it attempts to fold PC
  - From: John David Anglin

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