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* [Bug c/27515] New: internal compiler error: in extract_insn, at recog.c:2083
@ 2006-05-09 2:31 nomura at netapp dot com
2006-05-09 3:27 ` [Bug target/27515] " pinskia at gcc dot gnu dot org
0 siblings, 1 reply; 2+ messages in thread
From: nomura at netapp dot com @ 2006-05-09 2:31 UTC (permalink / raw)
To: gcc-bugs
Please include in your bug report all of the following items, the first three
of which can be obtained from the output of gcc -v:
* the exact version of GCC;
* the system type;
* the options given when GCC was configured/built;
$ /x/sim/nomura/root.linux/gcc346/bin/gcc -v
Reading specs from
/x/sim/nomura/root.linux/gcc346/lib/gcc/x86_64-unknown-linux-gnu/3.4.6/specs
Configured with: ../gcc-3.4.6/configure --enable-languages=c
--prefix=/x/sim/nomura/root.linux/gcc346
Thread model: posix
gcc version 3.4.6
* the complete command line that triggers the bug;
[nahant]$ /x/sim/nomura/root.linux/gcc346/bin/gcc -O1 -fno-omit-frame-pointer
bug2.c
* the compiler output (error messages, warnings, etc.);
bug2.c: In function `foo':
bug2.c:13: error: unrecognizable insn:
(insn 39 19 38 0 (set (reg:SI 0 ax [63])
(subreg:SI (plus:DI (subreg:DI (reg:SI 6 bp) 0)
(const_int -4 [0xfffffffffffffffc])) 0)) -1 (nil)
(nil))
bug2.c:13: internal compiler error: in extract_insn, at recog.c:2083
and
* the preprocessed file (*.i*) that triggers the bug, generated by adding
-save-temps to the complete compilation command
[nahant]$ cat bug2.i
# 1 "bug2.c"
# 1 "<built-in>"
# 1 "<command line>"
# 1 "bug2.c"
void foo(int addr)
{
unsigned char * u8p;
unsigned char prefix_in_octet;
int num_octets_to_zero;
if (prefix_in_octet != 0)
u8p++;
num_octets_to_zero = u8p - (unsigned char *) &addr;
bar (u8p, num_octets_to_zero);
}
--
Summary: internal compiler error: in extract_insn, at
recog.c:2083
Product: gcc
Version: 3.4.6
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: nomura at netapp dot com
GCC host triplet: x86_64-redhat-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27515
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug target/27515] internal compiler error: in extract_insn, at recog.c:2083
2006-05-09 2:31 [Bug c/27515] New: internal compiler error: in extract_insn, at recog.c:2083 nomura at netapp dot com
@ 2006-05-09 3:27 ` pinskia at gcc dot gnu dot org
0 siblings, 0 replies; 2+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2006-05-09 3:27 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from pinskia at gcc dot gnu dot org 2006-05-09 03:27 -------
Fixed in 4.0.3. 3.4.x is no longer being supported.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Component|c |target
Keywords| |ice-on-valid-code
Known to fail| |3.3.6 3.4.6
Known to work| |4.0.3 4.1.0
Resolution| |FIXED
Target Milestone|--- |4.0.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27515
^ permalink raw reply [flat|nested] 2+ messages in thread
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2006-05-09 2:31 [Bug c/27515] New: internal compiler error: in extract_insn, at recog.c:2083 nomura at netapp dot com
2006-05-09 3:27 ` [Bug target/27515] " pinskia at gcc dot gnu dot org
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