I get the followince ICE on s390. I don't know if this is related to the other
extract_insn, at recog.c:2077 ICEs that have recently been reported.
sh-3.1# g++ -O2 -funroll-loops -c -x c -fPIC libjsw-disk.cc
libjsw-disk.cc: In function 'PrefixPaths':
libjsw-disk.cc:12: error: unrecognizable insn:
(insn 398 397 400 24 (set (reg/f:SI 67)
(plus:SI (reg:SI 12 %r12)
(const:SI (plus:SI (unspec:SI [
(symbol_ref:SI ("rtn_path.1515") [flags 0x2]
<var_decl 0x77dae310 rtn_path>)
] 112)
(const_int 4096 [0x1000]))))) -1 (nil)
(nil))
libjsw-disk.cc:12: internal compiler error: in extract_insn, at recog.c:2077
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.1/README.Bugs>.
sh-3.1# g++ -O1 -funroll-loops -c -x c -fPIC libjsw-disk.cc
sh-3.1# cat libjsw-disk.cc
PrefixPaths (const char *parent, const char *child)
{
char *strptr1, *strend;
const char *strptr2;
static char rtn_path[4096];
strend = rtn_path + 4096;
while ((strptr1 < strend) && (*strptr2 != '\0'))
{
strptr1++;
strptr2++;
}
}
--
Summary: [4.2 regression] ICE in extract_insn, at recog.c:2077 on
s390
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: tbm at cyrius dot com
GCC target triplet: s390-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28717
