target/5002: Interesting ICE on sparc-sun-solaris2.8 on "normal" code

[lucier@math.purdue.edu]

>Number:         5002
>Category:       target
>Synopsis:       Interesting ICE on sparc-sun-solaris2.8 on "normal" code
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-legal-code
>Submitter-Id:   net
>Arrival-Date:   Mon Dec 03 22:36:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     B. Lucier
>Release:        gcc version 3.1 20011203 (experimental)
>Organization:
>Environment:
sparc-sun-solaris2.8, using sun as
>Description:
This code was hand-written, not machine-generated.

For some reason, cc1 ran for over 11 minutes before I killed
it when originally running gcc on this file.

banach-23% /pkgs/gcc-2.96/lib/gcc-lib/sparc-sun-solaris2.8/3.1/cc1 -m64 -fPIC -O1 -mcpu=ultrasparc -mtune=ultrasparc -fno-math-errno -fno-strict-aliasing -fomit-frame-pointer -fschedule-insns2 -fcall-used-g4 -fcall-used-g5 -fcall-used-g6 -fcall-used-g7 setup.i
 ___raise_interrupt
setup.c: In function `___raise_interrupt':
setup.c:96: unrecognizable insn:
(insn 13 12 15 (set (reg:DI 110)
        (lo_sum:DI (reg:DI 110)
            (unspec:DI[ 
                    (symbol_ref:SI ("___gstate"))
                ]  0))) -1 (insn_list 12 (nil))
    (nil))

setup.c:96: Internal compiler error in extract_insn, at recog.c:2128
>How-To-Repeat:
run the above command on

http://www.math.purdue.edu/~lucier/setup.i.gz
>Fix:
???
>Release-Note:
>Audit-Trail:
>Unformatted: