From: Doug Evans <dje@transmeta.com>
To: Stan Cox <scox@redhat.com>
Cc: cgen@sourceware.cygnus.com
Subject: patch for insn size > word size
Date: Wed, 04 Apr 2001 11:06:00 -0000 [thread overview]
Message-ID: <15051.25210.786209.678294@casey.transmeta.com> (raw)
In-Reply-To: <200104041605.f34G5OP05491@scox.meridian.redhat.com>
Stan Cox writes:
> This proposed patch adds support for architectures where the insn size
> is larger than the word size. The cgen changes adds
> CGEN_CPU_WORD_SIZE so it is easy to get this value from C code and
> makes insn_value an array. The opcode changes read, print, and insert
> each insn word individually. The code assumes if an insn is larger
> than the word size, then it is twice as large. Other possibilities are:
> 1. check that insn size is twice word size
> 2. generalize for an insn that is any multiple of word size
> (seems like it may not be worth the effort)
> Also tested on an existing port where CGEN_INT_INSN_P is 0
I'd like to think about this one for a day or two.
next prev parent reply other threads:[~2001-04-04 11:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-04 9:01 Stan Cox
2001-04-04 11:06 ` Doug Evans [this message]
[not found] ` <15051.25210.786209.678294.cygnus.local.cgen@casey.transmeta.com>
2001-04-04 13:20 ` Frank Ch. Eigler
2001-04-05 22:31 ` Doug Evans
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