target/6022: unable to generate reloads

target/6022: unable to generate reloads

[amodra]

>Number:         6022
>Category:       target
>Synopsis:       unable to generate reloads
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-legal-code
>Submitter-Id:   net
>Arrival-Date:   Wed Mar 20 20:26:00 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     Alan Modra
>Release:        3.1 20020319
>Organization:
>Environment:
--build=i686-linux --host=i686-linux --target=powerpc64-linux
>Description:
t5.c:222: unable to generate reloads for:
(jump_insn 2837 2863 3625 (parallel[ 
            (set (pc)
                (if_then_else (ne (reg/v:DI 63 f31 [121])
                        (const_int 1 [0x1]))
                    (label_ref 2868)
                    (pc)))
            (set (reg/v:DI 63 f31 [121])
                (plus:DI (reg/v:DI 63 f31 [121])
                    (const_int -1 [0xffffffffffffffff])))
            (clobber (scratch:CC))
            (clobber (scratch:DI))
        ] ) 501 {*ctrdi_internal1}
>How-To-Repeat:
-O2 -S on testcase attached to http://gcc.gnu.org/ml/gcc-patches/2002-02/msg01377.html
>Fix:
http://gcc.gnu.org/ml/gcc-patches/2002-02/msg01377.html
>Release-Note:
>Audit-Trail:
>Unformatted:

Re: target/6022: unable to generate reloads

[rth]

Synopsis: unable to generate reloads

Responsible-Changed-From-To: unassigned->dje
Responsible-Changed-By: rth
Responsible-Changed-When: Fri Mar 29 17:13:14 2002
Responsible-Changed-Why:
    ppc
State-Changed-From-To: open->analyzed
State-Changed-By: rth
State-Changed-When: Fri Mar 29 17:13:14 2002
State-Changed-Why:
    Looks correct to me, but I think you should review it.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=6022