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target/6927: ICE in final_scan_insn
- From: Bruno Haible <bruno at clisp dot org>
- To: gcc-gnats at gcc dot gnu dot org
- Date: Tue, 4 Jun 2002 14:06:38 +0200 (CEST)
- Subject: target/6927: ICE in final_scan_insn
>Number: 6927
>Category: target
>Synopsis: "could not split insn" error in C compiler for cris
>Confidential: no
>Severity: serious
>Priority: low
>Responsible: unassigned
>State: open
>Class: ice-on-legal-code
>Submitter-Id: net
>Arrival-Date: Tue Jun 04 05:16:02 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Bruno Haible
>Release: 3.1
>Organization:
GNU hackers
>Environment:
System: Linux linuix 2.4.18-4GB #1 Wed Mar 27 13:57:05 UTC 2002 i686 unknown
Architecture: i686
host: i686-pc-linux-gnu
build: i686-pc-linux-gnu
target: cris-axis-linux-gnu
configured with: /packages2/gcc-3.1/configure --enable-shared --disable-nls --target=cris-linux --prefix=/cross/cris-linux-tools --with-local-prefix=/cross/cris-linux/local --with-as=/cross/cris-linux-tools/bin/cris-linux-as --with-gnu-as --with-ld=/cross/cris-linux-tools/bin/cris-linux-ld --with-gnu-ld --enable-languages=c
>Description:
Internal compiler error is signaled for this input file. It occurs when
building glibc-2.2.5.
================================= swab.c ===============================
void swab (const char *from, char *to, int n)
{
n &= ~1;
while (n > 1)
{
const char b0 = from[--n], b1 = from[--n];
to[n] = b0;
to[n + 1] = b1;
}
}
========================================================================
$ cris-linux-gcc -O2 -c /tmp/swab.c -o /tmp/swab.o
/tmp/swab.c: In function `swab':
/tmp/swab.c:10: could not split insn
(insn 36 35 39 (parallel[
(set (mem:QI (plus:SI (reg/v/f:SI 11 r11 [24])
(reg/v:SI 12 r12 [25])) [0 S1 A8])
(reg/v:QI 9 r9 [26]))
(set (reg/f:SI 9 r9 [30])
(plus:SI (reg/v/f:SI 11 r11 [24])
(reg/v:SI 12 r12 [25])))
] ) 23 {*mov_sideqi_mem} (insn_list 30 (nil))
(nil))
/tmp/swab.c:10: Internal compiler error in final_scan_insn, at final.c:2622
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
>How-To-Repeat:
See above.
>Fix:
Unknown.
>Release-Note:
>Audit-Trail:
>Unformatted: