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optimization/3763: Internal compiler error in update_equiv_regs, at local-alloc.c:1097
- To: gcc-gnats at gcc dot gnu dot org
- Subject: optimization/3763: Internal compiler error in update_equiv_regs, at local-alloc.c:1097
- From: Andreas Schwab <schwab at suse dot de>
- Date: Sun, 22 Jul 2001 19:27:37 +0200
>Number: 3763
>Category: optimization
>Synopsis: Internal compiler error in update_equiv_regs, at local-alloc.c:1097
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: ice-on-legal-code
>Submitter-Id: net
>Arrival-Date: Sun Jul 22 10:36:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:
>Release: 3.0.1 20010720 (prerelease)
>Organization:
>Environment:
System: Linux sykes 2.4.4-SMP #1 SMP Fri Jun 8 09:14:46 GMT 2001 ia64 unknown
Architecture: ia64
host: ia64-unknown-linux-gnu
build: ia64-unknown-linux-gnu
target: m68k-unknown-linux-gnu
configured with: /cvs/branch/gcc/configure --target=m68k-linux --prefix=/usr/local/m68k-linux --enable-languages=c++ --with-ld=/usr/local/m68k-linux/m68k-linux/bin/ld --with-as=/usr/local/m68k-linux/m68k-linux/bin/as --disable-shared : (reconfigured) /cvs/branch/gcc/configure --target=m68k-linux --prefix=/usr/local/m68k-linux --enable-languages=c++ --with-ld=/usr/local/m68k-linux/m68k-linux/bin/ld --with-as=/usr/local/m68k-linux/m68k-linux/bin/as --disable-shared : (reconfigured)
>Description:
Internal compiler error in update_equiv_regs, at
local-alloc.c:1097, when compiling with -O1 or higher.
>How-To-Repeat:
$ cat x.i
typedef long int __clock_t;
typedef __clock_t clock_t;
struct tms
{
clock_t tms_utime;
clock_t tms_stime;
clock_t tms_cutime;
clock_t tms_cstime;
};
extern clock_t __times (struct tms *__buffer);
enum
{
_SC_ARG_MAX,
_SC_CHILD_MAX,
_SC_CLK_TCK,
};
extern long int sysconf (int __name) __attribute__ ((__const__));
clock_t
clock (void)
{
struct tms buf;
long clk_tck = __sysconf (_SC_CLK_TCK);
__times (&buf);
return
(clk_tck <= 1000000l)
? ((unsigned long) buf.tms_utime + buf.tms_stime) * (1000000l
/ clk_tck)
: ((unsigned long) buf.tms_utime + buf.tms_stime) / (clk_tck
/ 1000000l);
}
$ m68k-linux-gcc -c -O x.i -v
Reading specs from /usr/local/m68k-linux/lib/gcc-lib/m68k-linux/3.0.1/specs
Configured with: /cvs/branch/gcc/configure --target=m68k-linux --prefix=/usr/local/m68k-linux --enable-languages=c++ --with-ld=/usr/local/m68k-linux/m68k-linux/bin/ld --with-as=/usr/local/m68k-linux/m68k-linux/bin/as --disable-shared : (reconfigured) /cvs/branch/gcc/configure --target=m68k-linux --prefix=/usr/local/m68k-linux --enable-languages=c++ --with-ld=/usr/local/m68k-linux/m68k-linux/bin/ld --with-as=/usr/local/m68k-linux/m68k-linux/bin/as --disable-shared : (reconfigured)
Thread model: single
gcc version 3.0.1 20010720 (prerelease)
/usr/local/m68k-linux/lib/gcc-lib/m68k-linux/3.0.1/cc1 -fpreprocessed x.i -quiet -dumpbase x.i -O -version -o /tmp/cc8ryOGP.s
GNU CPP version 3.0.1 20010720 (prerelease) (cpplib) (68k GNU/Linux with ELF)
GNU C version 3.0.1 20010720 (prerelease) (m68k-linux)
compiled by GNU C version 2.96-ia64-000717 snap 001117.
x.i: In function `clock':
x.i:30: Internal compiler error in update_equiv_regs, at local-alloc.c:1097
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: