More on the thread from Chris since it was cross posted to gcc@ as well. -eric -----Forwarded Message----- > From: cgd@broadcom.com > To: long21st@yahoo.com > Cc: gcc@gcc.gnu.org > Subject: Re: gcc support for mips32 release 2 > Date: Fri, 05 Mar 2004 08:19:08 -0800 > > At Fri, 5 Mar 2004 07:54:19 +0000 (UTC), "Long Li" wrote: > > I have a question about gcc support for mips32 release > > 2. I noticed that in gnu as(assembler) 2.14, there is > > an option for it, but does newest gcc version support > > mips32 release 2? I did not find it in the mips.c or > > configure file. > > as others have noted, I contributed it to GCC and it should appear in > 3.4. > > Note that 3.4 has only partial support for the new instructions. In > particular, it only knows how to generate rotates and, IIRC, some of > the sign-extend instructions. (it's been a while since i did the > work.) > > It does *not* know how to do use the insert/extract instructions. > > > If anybody knows of a MIPS64 release 2 implementation, I also have > support for GCC to do that. (Problem is, the way the GCC MIPS > back-end currently is, it really wants a processor implementation > before a new ISA is added.) > > I also have a number of sim changes for 32r2 -- can't remember if i've > integrated all of them or not, yet -- and 64r2. (Fairly sure i've not > done the 64r2 changes.) > > > > chris -- Eric Christopher <echristo@redhat.com>
