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Re: 1.1.2: "unrec. insn" ICE in gcc on alphaev6-unknown-linux
- To: abel at bfr dot co dot il (Alexander L. Belikoff)
- Subject: Re: 1.1.2: "unrec. insn" ICE in gcc on alphaev6-unknown-linux
- From: Jeffrey A Law <law at upchuck dot cygnus dot com>
- Date: Fri, 09 Apr 1999 04:49:53 -0600
- cc: egcs-bugs at egcs dot cygnus dot com
- Reply-To: law at cygnus dot com
In message <m3iubb6o11.fsf@vermis.bfr.co.il>you write:
> Just found this one. Gcc spits an ICE on the code attached on a dp264
> Alpha running RedHat Linux 5.2 only when -O[23] -mcpu=21164 are
> specified.
>
>
> I. The machine
>
> $ uname -a
> Linux foobar 2.2.3-ac4 #1 SMP Wed Mar 24 11:26:44 EST 1999 alpha unknown
>
>
> II. The compiler
>
> $ gcc -v
> Reading specs from /bb/abel2/egcs-bin-1.1.2/lib/gcc-lib/alphaev6-unknown-li
> nux-gnu/egcs-2.91.66/specs
> gcc version egcs-2.91.66 19990314 (egcs-1.1.2 release)
>
>
> III. The bug
>
> $ gcc -O2 -mcpu=21164 -c egcs_crash4.i
> egcs_crash4.c: In function `foobar':
> egcs_crash4.c:41: internal error--unrecognizable insn:
> (insn 414 44 399 (set (reg:DI 0 $0)
> (mem/s:DI (and:DI (plus:DI (reg:DI 30 $30)
> (const_int 38994))
> (const_int -8)))) -1 (insn_list 409 (insn_list 402 (insn_li
> st 30 (insn_list:REG_DEP_ANTI 397 (insn_list:REG_DEP_ANTI 169 (nil))))))
> (nil))
> ../../egcs-1.1.2/gcc/toplev.c:1367: Internal compiler error in function fat
> al_insn
[ ... ]
Thanks. I just tried this with the current development sources and it seems
to be working fine now.
jeff