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Re: SH5 compact register numbering in gcc -> gdb interface - include/elf/sh.h ?
- From: Joern Rennecke <joern dot rennecke at st dot com>
- To: ezannoni at redhat dot com
- Cc: ac131313 at cygnus dot com, binutils at sources dot redhat dot com,aoliva at redhat dot com, gcc at gcc dot gnu dot org, gdb at sources dot redhat dot com,bje at redhat dot com
- Date: Fri, 10 May 2002 11:25:33 +0100
- Subject: Re: SH5 compact register numbering in gcc -> gdb interface - include/elf/sh.h ?
- Organization: SuperH UK Ltd.
- References: <3CCED903.294513BE@st.com> <15568.36275.110744.510692@localhost.redhat.com> <3CD12BF8.7E1650C1@st.com> <or4rhotrng.fsf@livre.redhat.lsd.ic.unicamp.br> <3CD7EB51.7816DD1@st.com> <3CD803BC.5060900@cygnus.com> <3CD823D1.FC1E3717@st.com> <3CD85192.7020100@cygnus.com> <3CDAEDA4.3DE4A2D5@st.com> <15578.63785.429521.553723@localhost.redhat.com>
ezannoni@redhat.com wrote:
> What is the advantage of reusing media numbers for compact registers?
P.S.: a further - and maybe actually more important - advantage is that
the debug information is compacter, since register numbers < 128 can be
expressed with a single byte.
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