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Subject: optimization/10315: [3.2/3.3 regression] [powerpc] ICE: in extract_insn, at recog.c:2175
X-SW-Source: 2003-04/txt/msg00167.txt.bz2
List-Id: <gcc-prs.sourceware.org>


>Number:         10315
>Category:       optimization
>Synopsis:       [3.2/3.3 regression] [powerpc] ICE: in extract_insn, at recog.c:2175
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-legal-code
>Submitter-Id:   net
>Arrival-Date:   Sat Apr 05 13:56:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     Adam Conrad <adconrad@0c3.net>
>Release:        3.2.1 (Debian) (Debian unstable)
>Organization:
The Debian Project
>Environment:
System: Debian GNU/Linux (unstable)
Architecture: powerpc

>Description:
[ Reported to the Debian BTS as report #186299.
  Please CC 186299@bugs.debian.org on replies.
  Log of report can be found at http://bugs.debian.org/186299 ]
	

Rechecked with 3.2 20030314 and 3.3 20030404.

While building php3 on unstable/powerpc, gcc-3.2 ICEs on a file that gcc-2.95
handles fine.  Attemps were made with gcc-2.95 (success), gcc-3.2 (fail), and
gcc-snapshot (fail).

Using -O0 or omitting -fPIC doesn't show the ICE.

$ gcc -c -fPIC -O1 pack.i
../functions/pack.c: In function `php3_unpack':
../functions/pack.c:807: error: unrecognizable insn:
(insn 1275 1022 3 0 (nil) (set (reg/v:DF 311)
        (const_double:DF 0.0 [0x0.0p+0])) -1 (nil)
    (nil))
../functions/pack.c:807: internal compiler error: in extract_insn, at recog.c:2175
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

[appending the source in a followup]

>How-To-Repeat:
	
>Fix:
	
>Release-Note:
>Audit-Trail:
>Unformatted: