This is the mail archive of the
binutils@sources.redhat.com
mailing list for the binutils project.
Re: [PATCH] MIPS gas: 64 bit aware rol/ror macros
- From: cgd at broadcom dot com
- To: ica2_ts at csv dot ica dot uni-stuttgart dot de
- Cc: binutils at sources dot redhat dot com
- Date: 13 May 2002 11:50:06 -0700
- Subject: Re: [PATCH] MIPS gas: 64 bit aware rol/ror macros
- References: <20020511092539.GH910@rembrandt.csv.ica.uni-stuttgart.de><mailpost.1021109182.8497@news-sj1-1>
At Sat, 11 May 2002 09:26:22 +0000 (UTC), "Thiemo Seufer" wrote:
> this extends the rotate macros of MIPS gas to do the right
> thing for 64 bit registers.
Personally, I disagree with this.
Manuals such as See Mips Run document rol/ror to be 32-bit, and add
drol/dror macros to do 64-bit rotates. (SMR pages 188-189, 196.)
Further, if you redefine rol/ror to be 64-bit on machines with 64-bit
GPRs... well, how do you do 32-bit rotates on those machines?
chris