GCC bug: ICE during checking build on sparc
Nathan Sidwell
nathan@acm.org
Fri Dec 17 03:20:00 GMT 1999
Hi,
cvs 19991217 fails building libgcc2.a, when checking is enabled on
sparc-sun-solaris2.7 [this may or may not be a long standing problem,
I've not built with enable checking for some months]
/home/staff/nathan/egcs/devel/egcs/gcc/xgcc -B/home/staff/nathan/egcs/devel/egcs/gcc/ -B/local/nathan/devel/sparc-sun-solaris2.7/bin/ -I/local/nathan/devel/sparc-sun-solaris2.7/include -O2 -DIN_GCC -DSVR4 -g -O2 -I./include -fPIC -g1 -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -I. -I. -I./config -I./../include -c -DL${name} \
./libgcc2.c -o ${name}.o; \
if [ $? -eq 0 ] ; then true; else exit 1; fi; \
ar rc tmplibgcc2.a ${name}.o; \
rm -f ${name}.o; \
done
_muldi3
_divdi3
./libgcc2.c: In function `__divdi3':
./libgcc2.c:700: RTL check: expected code `set' or `clobber', have `use'
./libgcc2.c:700: Internal compiler error in `mark_referenced_resources', at resource.c:350
Please submit a full bug report.
I attach the (stripped) preprocessed code, which gives the following,
nathan@manao:379>./xgcc -B./ -g -O2 -c divdi3.i
divdi3.i: In function `__divdi3':
divdi3.i:895: RTL check: expected code `set' or `clobber', have `use'
divdi3.i:895: Internal compiler error in `mark_referenced_resources', at resource.c:350
nathan
--
Dr Nathan Sidwell :: Computer Science Department :: Bristol University
Never hand someone a gun unless you are sure where they will point it
nathan@acm.org http://www.cs.bris.ac.uk/~nathan/ nathan@cs.bris.ac.uk
enum cmodel {
CM_32,
CM_MEDLOW,
CM_MEDMID,
CM_MEDANY,
CM_EMBMEDANY
};
extern const char *sparc_cmodel_string;
extern enum cmodel sparc_cmodel;
extern int target_flags;
enum processor_type {
PROCESSOR_V7,
PROCESSOR_CYPRESS,
PROCESSOR_V8,
PROCESSOR_SUPERSPARC,
PROCESSOR_SPARCLITE,
PROCESSOR_F930,
PROCESSOR_F934,
PROCESSOR_HYPERSPARC,
PROCESSOR_SPARCLITE86X,
PROCESSOR_SPARCLET,
PROCESSOR_TSC701,
PROCESSOR_V9,
PROCESSOR_ULTRASPARC
};
extern enum processor_type sparc_cpu;
struct sparc_cpu_select
{
const char *string;
const char *name;
int set_tune_p;
int set_arch_p;
};
extern struct sparc_cpu_select sparc_select[];
extern int *hard_regno_mode_classes;
extern int sparc_mode_class[];
enum reg_class { NO_REGS, FPCC_REGS, I64_REGS, GENERAL_REGS, FP_REGS,
EXTRA_FP_REGS, GENERAL_OR_FP_REGS, GENERAL_OR_EXTRA_FP_REGS,
ALL_REGS, LIM_REG_CLASSES };
extern enum reg_class sparc_regno_reg_class[];
extern char leaf_reg_remap[];
struct sparc_args {
int words;
int prototype_p;
int libcall_p;
};
extern struct rtx_def *sparc_compare_op0, *sparc_compare_op1;
extern char sparc_hard_reg_printed[8];
extern int flag_pic;
typedef struct {
int quot;
int rem;
} div_t;
typedef struct {
long quot;
long rem;
} ldiv_t;
typedef struct {
long long quot;
long long rem;
} lldiv_t;
typedef unsigned int size_t;
typedef long uid_t;
typedef long wchar_t;
extern unsigned char __ctype[];
extern double atof(const char *);
extern int atoi(const char *);
extern long int atol(const char *);
extern double strtod(const char *, char **);
extern long int strtol(const char *, char **, int);
extern unsigned long int strtoul(const char *, char **, int);
extern int rand(void);
extern void srand(unsigned int);
extern void *calloc(size_t, size_t);
extern void free(void *);
extern void *malloc(size_t);
extern void *realloc(void *, size_t);
extern void abort(void);
extern int atexit(void (*)(void));
extern void exit(int);
extern void _exithandle(void);
extern char *getenv(const char *);
extern int system(const char *);
extern void *bsearch(const void *, const void *, size_t, size_t,
int (*)(const void *, const void *));
extern void qsort(void *, size_t, size_t,
int (*)(const void *, const void *));
extern int abs(int);
extern div_t div(int, int);
extern long int labs(long);
extern ldiv_t ldiv(long, long);
extern int mbtowc(wchar_t *, const char *, size_t);
extern int mblen(const char *, size_t);
extern int wctomb(char *, wchar_t);
extern size_t mbstowcs(wchar_t *, const char *, size_t);
extern size_t wcstombs(char *, const wchar_t *, size_t);
extern double drand48(void);
extern double erand48(unsigned short *);
extern long jrand48(unsigned short *);
extern void lcong48(unsigned short *);
extern long lrand48(void);
extern long mrand48(void);
extern long nrand48(unsigned short *);
extern unsigned short *seed48(unsigned short *);
extern void srand48(long);
extern int putenv(char *);
extern void setkey(const char *);
extern void swab(const char *, char *, int);
extern int mkstemp(char *);
extern int mkstemp64(char *);
extern long a64l(const char *);
extern char *ecvt(double, int, int *, int *);
extern char *fcvt(double, int, int *, int *);
extern char *gcvt(double, int, char *);
extern int getsubopt(char **, char *const *, char **);
extern int grantpt(int);
extern char *initstate(unsigned, char *, size_t);
extern char *l64a(long);
extern char *mktemp(char *);
extern char *ptsname(int);
extern long random(void);
extern char *realpath(const char *, char *);
extern char *setstate(const char *);
extern void srandom(unsigned);
extern int ttyslot(void);
extern int unlockpt(int);
extern void *valloc(size_t);
extern int dup2(int, int);
extern char *qecvt(long double, int, int *, int *);
extern char *qfcvt(long double, int, int *, int *);
extern char *qgcvt(long double, int, char *);
extern char *getcwd(char *, size_t);
extern const char *getexecname(void);
extern char *getlogin(void);
extern int getopt(int, char *const *, const char *);
extern char *optarg;
extern int optind, opterr, optopt;
extern char *getpass(const char *);
extern char *getpassphrase(const char *);
extern int getpw(uid_t, char *);
extern int isatty(int);
extern void *memalign(size_t, size_t);
extern char *ttyname(int);
extern long long atoll(const char *);
extern long long llabs(long long);
extern lldiv_t lldiv(long long, long long);
extern char *lltostr(long long, char *);
extern long long strtoll(const char *, char **, int);
extern unsigned long long strtoull(const char *, char **, int);
extern char *ulltostr(unsigned long long, char *);
typedef struct _physadr_t { int r[1]; } *physadr_t;
typedef struct _label_t { long val[2]; } label_t;
typedef unsigned char lock_t;
typedef char int8_t;
typedef short int16_t;
typedef int int32_t;
typedef long long int64_t;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long long uint64_t;
typedef int64_t intmax_t;
typedef uint64_t uintmax_t;
typedef int intptr_t;
typedef unsigned int uintptr_t;
typedef char int_least8_t;
typedef short int_least16_t;
typedef int int_least32_t;
typedef long long int_least64_t;
typedef unsigned char uint_least8_t;
typedef unsigned short uint_least16_t;
typedef unsigned int uint_least32_t;
typedef unsigned long long uint_least64_t;
typedef long long longlong_t;
typedef unsigned long long u_longlong_t;
typedef long t_scalar_t;
typedef unsigned long t_uscalar_t;
typedef unsigned char uchar_t;
typedef unsigned short ushort_t;
typedef unsigned int uint_t;
typedef unsigned long ulong_t;
typedef char *caddr_t;
typedef long daddr_t;
typedef short cnt_t;
typedef ulong_t paddr_t;
typedef int ptrdiff_t;
typedef ulong_t pfn_t;
typedef ulong_t pgcnt_t;
typedef long spgcnt_t;
typedef uchar_t use_t;
typedef short sysid_t;
typedef short index_t;
typedef void *timeout_id_t;
typedef void *bufcall_id_t;
typedef long off_t;
typedef longlong_t off64_t;
typedef ulong_t ino_t;
typedef long blkcnt_t;
typedef ulong_t fsblkcnt_t;
typedef ulong_t fsfilcnt_t;
typedef u_longlong_t ino64_t;
typedef longlong_t blkcnt64_t;
typedef u_longlong_t fsblkcnt64_t;
typedef u_longlong_t fsfilcnt64_t;
typedef long blksize_t;
typedef enum { B_FALSE, B_TRUE } boolean_t;
typedef int64_t pad64_t;
typedef uint64_t upad64_t;
typedef longlong_t offset_t;
typedef u_longlong_t u_offset_t;
typedef u_longlong_t len_t;
typedef longlong_t diskaddr_t;
typedef union {
offset_t _f;
struct {
int32_t _u;
int32_t _l;
} _p;
} lloff_t;
typedef union {
diskaddr_t _f;
struct {
int32_t _u;
int32_t _l;
} _p;
} lldaddr_t;
typedef uint_t k_fltset_t;
typedef long id_t;
typedef uint_t useconds_t;
typedef long suseconds_t;
typedef ulong_t major_t;
typedef ulong_t minor_t;
typedef short pri_t;
typedef ushort_t o_mode_t;
typedef short o_dev_t;
typedef ushort_t o_uid_t;
typedef o_uid_t o_gid_t;
typedef short o_nlink_t;
typedef short o_pid_t;
typedef ushort_t o_ino_t;
typedef int key_t;
typedef ulong_t mode_t;
typedef uid_t gid_t;
typedef unsigned int pthread_t;
typedef unsigned int pthread_key_t;
typedef struct _pthread_mutex {
struct {
uint8_t __pthread_mutex_flag[4];
uint32_t __pthread_mutex_type;
} __pthread_mutex_flags;
union {
struct {
uint8_t __pthread_mutex_pad[8];
} __pthread_mutex_lock64;
upad64_t __pthread_mutex_owner64;
} __pthread_mutex_lock;
upad64_t __pthread_mutex_data;
} pthread_mutex_t;
typedef struct _pthread_cond {
struct {
uint8_t __pthread_cond_flag[4];
uint32_t __pthread_cond_type;
} __pthread_cond_flags;
upad64_t __pthread_cond_data;
} pthread_cond_t;
typedef struct _pthread_rwlock {
int32_t __pthread_rwlock_readers;
uint16_t __pthread_rwlock_type;
uint16_t __pthread_rwlock_magic;
upad64_t __pthread_rwlock_pad1[3];
upad64_t __pthread_rwlock_pad2[2];
upad64_t __pthread_rwlock_pad3[2];
} pthread_rwlock_t;
typedef struct _pthread_attr {
void *__pthread_attrp;
} pthread_attr_t;
typedef struct _pthread_mutexattr {
void *__pthread_mutexattrp;
} pthread_mutexattr_t;
typedef struct _pthread_condattr {
void *__pthread_condattrp;
} pthread_condattr_t;
typedef struct _once {
upad64_t __pthread_once_pad[4];
} pthread_once_t;
typedef struct _pthread_rwlockattr {
void *__pthread_rwlockattrp;
} pthread_rwlockattr_t;
typedef ulong_t dev_t;
typedef ulong_t nlink_t;
typedef long pid_t;
typedef int ssize_t;
typedef long time_t;
typedef long clock_t;
typedef int clockid_t;
typedef int timer_t;
typedef unsigned char unchar;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned int u_int;
typedef unsigned long u_long;
typedef struct _quad { int val[2]; } quad_t;
typedef quad_t quad;
struct timeval {
time_t tv_sec;
suseconds_t tv_usec;
};
struct timezone {
int tz_minuteswest;
int tz_dsttime;
};
struct itimerval {
struct timeval it_interval;
struct timeval it_value;
};
typedef longlong_t hrtime_t;
int adjtime(struct timeval *, struct timeval *);
int getitimer(int, struct itimerval *);
int utimes(const char *, const struct timeval *);
int setitimer(int, struct itimerval *, struct itimerval *);
int settimeofday(struct timeval *, void *);
hrtime_t gethrtime(void);
hrtime_t gethrvtime(void);
int gettimeofday(struct timeval *, void *);
struct tm {
int tm_sec;
int tm_min;
int tm_hour;
int tm_mday;
int tm_mon;
int tm_year;
int tm_wday;
int tm_yday;
int tm_isdst;
};
extern clock_t clock(void);
extern double difftime(time_t, time_t);
extern time_t mktime(struct tm *);
extern time_t time(time_t *);
extern char *asctime(const struct tm *);
extern char *ctime(const time_t *);
extern struct tm *gmtime(const time_t *);
extern struct tm *localtime(const time_t *);
extern size_t strftime(char *, size_t, const char *, const struct tm *);
extern char *strptime(const char *, const char *, struct tm *);
typedef struct timespec {
time_t tv_sec;
long tv_nsec;
} timespec_t;
typedef struct timespec timestruc_t;
typedef struct itimerspec {
struct timespec it_interval;
struct timespec it_value;
} itimerspec_t;
union sigval {
int sival_int;
void *sival_ptr;
};
struct sigevent {
int sigev_notify;
int sigev_signo;
union sigval sigev_value;
void (*sigev_notify_function)(union sigval);
pthread_attr_t *sigev_notify_attributes;
int __sigev_pad2;
};
extern int clock_getres(clockid_t, struct timespec *);
extern int clock_gettime(clockid_t, struct timespec *);
extern int clock_settime(clockid_t, const struct timespec *);
extern int timer_create(clockid_t, struct sigevent *, timer_t *);
extern int timer_delete(timer_t);
extern int timer_getoverrun(timer_t);
extern int timer_gettime(timer_t, struct itimerspec *);
extern int timer_settime(timer_t, int, const struct itimerspec *,
struct itimerspec *);
extern int nanosleep(const struct timespec *, struct timespec *);
extern void tzset(void);
extern char *tzname[2];
extern long _sysconf(int);
extern long timezone;
extern int daylight;
extern int cftime(char *, char *, const time_t *);
extern int ascftime(char *, const char *, const struct tm *);
extern long altzone;
extern struct tm *getdate(const char *);
extern int getdate_err;
typedef long fd_mask;
typedef long fds_mask;
typedef struct fd_set {
long fds_bits[((( 1024 )+(( (sizeof (fds_mask) * 8 ) )-1))/( (sizeof (fds_mask) * 8 ) )) ];
} fd_set;
extern int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
extern int access(const char *, int);
extern int acct(const char *);
extern unsigned alarm(unsigned);
extern int brk(void *);
extern int chdir(const char *);
extern int chown(const char *, uid_t, gid_t);
extern int chroot(const char *);
extern int close(int);
extern char *ctermid(char *);
extern char *cuserid(char *);
extern int dup(int);
extern int dup2(int, int);
extern int execl(const char *, const char *, ...);
extern int execle(const char *, const char *, ...);
extern int execlp(const char *, const char *, ...);
extern int execv(const char *, char *const *);
extern int execve(const char *, char *const *, char *const *);
extern int execvp(const char *, char *const *);
extern void _exit(int);
extern int fattach(int, const char *);
extern int fchdir(int);
extern int fchown(int, uid_t, gid_t);
extern int fchroot(int);
extern int fdatasync(int);
extern int fdetach(const char *);
extern pid_t fork(void);
extern pid_t fork1(void);
extern long fpathconf(int, int);
extern int fsync(int);
extern int ftruncate(int, off_t);
extern char *getcwd(char *, size_t);
extern int getdtablesize(void);
extern gid_t getegid(void);
extern uid_t geteuid(void);
extern gid_t getgid(void);
extern int getgroups(int, gid_t *);
extern long gethostid(void);
extern int gethostname(char *, int);
extern char *getlogin(void);
extern int getpagesize(void);
extern pid_t getpgid(pid_t);
extern pid_t getpid(void);
extern pid_t getppid(void);
extern pid_t getpgrp(void);
char *gettxt(const char *, const char *);
extern pid_t getsid(pid_t);
extern uid_t getuid(void);
extern char *getwd(char *);
extern int ioctl(int, int, ...);
extern int isaexec(const char *, char *const *, char *const *);
extern int isatty(int);
extern int link(const char *, const char *);
extern int lchown(const char *, uid_t, gid_t);
extern int lockf(int, int, off_t);
extern int readlink(const char *, char *, size_t);
extern off_t lseek(int, off_t, int);
extern int nice(int);
extern long pathconf(const char *, int);
extern int pause(void);
extern int pipe(int *);
extern offset_t llseek(int, offset_t, int);
extern off_t tell(int);
extern int mincore(caddr_t, size_t, char *);
extern ssize_t pread(int, void *, size_t, off_t);
extern void profil(unsigned short *, size_t, unsigned long, unsigned int);
extern int pthread_atfork(void (*) (void), void (*) (void), void (*) (void));
extern long ptrace(int, pid_t, long, long);
extern ssize_t pwrite(int, const void *, size_t, off_t);
extern ssize_t read(int, void *, size_t);
extern int rename(const char *, const char *);
extern int resolvepath(const char *, char *, size_t);
extern int rmdir(const char *);
extern void *sbrk(intptr_t);
extern int setgid(gid_t);
extern int setegid(gid_t);
extern int setgroups(int, const gid_t *);
extern int setpgid(pid_t, pid_t);
extern pid_t setpgrp(void);
extern int setregid(gid_t, gid_t);
extern int setreuid(uid_t, uid_t);
extern pid_t setsid(void);
extern int setuid(uid_t);
extern int seteuid(uid_t);
extern unsigned sleep(unsigned);
extern int stime(const time_t *);
extern int symlink(const char *, const char *);
extern void sync(void);
extern long sysconf(int);
extern pid_t tcgetpgrp(int);
extern int tcsetpgrp(int, pid_t);
extern off_t tell(int);
extern int truncate(const char *, off_t);
extern char *ttyname(int);
extern useconds_t ualarm(useconds_t, useconds_t);
extern int unlink(const char *);
extern int usleep(useconds_t);
extern pid_t vfork(void);
extern void vhangup(void);
extern ssize_t write(int, const void *, size_t);
extern void yield(void);
extern int ftruncate64(int, off64_t);
extern off64_t lseek64(int, off64_t, int);
extern ssize_t pread64(int, void *, size_t, off64_t);
extern ssize_t pwrite64(int, const void *, size_t, off64_t);
extern off64_t tell64(int);
extern int truncate64(const char *, off64_t);
extern int lockf64(int, int, off64_t);
enum machine_mode {
VOIDmode ,
PQImode ,
QImode ,
PHImode ,
HImode ,
PSImode ,
SImode ,
PDImode ,
DImode ,
TImode ,
OImode ,
QFmode ,
HFmode ,
TQFmode ,
SFmode ,
DFmode ,
XFmode ,
TFmode ,
QCmode ,
HCmode ,
SCmode ,
DCmode ,
XCmode ,
TCmode ,
CQImode ,
CHImode ,
CSImode ,
CDImode ,
CTImode ,
COImode ,
BLKmode ,
CCmode ,
CCXmode , CC_NOOVmode , CCX_NOOVmode , CCFPmode , CCFPEmode ,
MAX_MACHINE_MODE };
extern const char * const mode_name[];
enum mode_class { MODE_RANDOM, MODE_INT, MODE_FLOAT, MODE_PARTIAL_INT, MODE_CC,
MODE_COMPLEX_INT, MODE_COMPLEX_FLOAT, MAX_MODE_CLASS};
extern const enum mode_class mode_class[];
extern const int mode_size[];
extern const int mode_unit_size[];
extern const unsigned char mode_wider_mode[];
extern enum machine_mode mode_for_size (unsigned int, enum mode_class, int) ;
extern enum machine_mode smallest_mode_for_size (unsigned int,
enum mode_class) ;
extern enum machine_mode int_mode_for_mode (enum machine_mode) ;
extern enum machine_mode get_best_mode (int, int, int, enum machine_mode, int) ;
extern const enum machine_mode class_narrowest_mode[];
extern enum machine_mode byte_mode;
extern enum machine_mode word_mode;
extern enum machine_mode ptr_mode;
typedef unsigned int wint_t;
typedef unsigned int UQItype __attribute__ ((mode (QI)));
typedef int SItype __attribute__ ((mode (SI)));
typedef unsigned int USItype __attribute__ ((mode (SI)));
typedef int DItype __attribute__ ((mode (DI)));
typedef unsigned int UDItype __attribute__ ((mode (DI)));
typedef float SFtype __attribute__ ((mode (SF)));
typedef float DFtype __attribute__ ((mode (DF)));
typedef float TFtype __attribute__ ((mode (TF)));
typedef int word_type __attribute__ ((mode (__word__)));
struct DIstruct {SItype high, low;};
typedef union
{
struct DIstruct s;
DItype ll;
} DIunion;
extern const UQItype __clz_tab[];
extern DItype __fixunssfdi (SFtype a);
extern DItype __fixunsdfdi (DFtype a);
extern DItype __fixunstfdi (TFtype a);
static __inline__
DItype
__negdi2 (DItype u)
{
DIunion w;
DIunion uu;
uu.ll = u;
w.s.low = -uu.s.low;
w.s.high = -uu.s.high - ((USItype) w.s.low > 0);
return w.ll;
}
static const UQItype __clz_tab[] =
{
0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
};
static __inline__
UDItype
__udivmoddi4 (UDItype n, UDItype d, UDItype *rp)
{
DIunion ww;
DIunion nn, dd;
DIunion rr;
USItype d0, d1, n0, n1, n2;
USItype q0, q1;
USItype b, bm;
nn.ll = n;
dd.ll = d;
d0 = dd.s.low;
d1 = dd.s.high;
n0 = nn.s.low;
n1 = nn.s.high;
if (d1 == 0)
{
if (d0 > n1)
{
__asm__ ("! Inlined udiv_qrnnd
mov 32,%%g1
subcc %1,%2,%%g0
1: bcs 5f
addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb
sub %1,%2,%1 ! this kills msb of n
addx %1,%1,%1 ! so this can't give carry
subcc %%g1,1,%%g1
2: bne 1b
subcc %1,%2,%%g0
bcs 3f
addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb
b 3f
sub %1,%2,%1 ! this kills msb of n
4: sub %1,%2,%1
5: addxcc %1,%1,%1
bcc 2b
subcc %%g1,1,%%g1
! Got carry from n. Subtract next step to cancel this carry.
bne 4b
addcc %0,%0,%0 ! shift n1n0 and a 0-bit in lsb
sub %1,%2,%1
3: xnor %0,0,%0
! End of inline udiv_qrnnd" : "=&r" ((USItype) ( q0 )), "=&r" ((USItype) ( n0 )) : "r" ((USItype) ( d0 )), "1" ((USItype) ( n1 )), "0" ((USItype) ( n0 )) : "g1" , "cc" ) ;
q1 = 0;
}
else
{
if (d0 == 0)
d0 = 1 / d0;
__asm__ ("! Inlined udiv_qrnnd
mov 32,%%g1
subcc %1,%2,%%g0
1: bcs 5f
addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb
sub %1,%2,%1 ! this kills msb of n
addx %1,%1,%1 ! so this can't give carry
subcc %%g1,1,%%g1
2: bne 1b
subcc %1,%2,%%g0
bcs 3f
addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb
b 3f
sub %1,%2,%1 ! this kills msb of n
4: sub %1,%2,%1
5: addxcc %1,%1,%1
bcc 2b
subcc %%g1,1,%%g1
! Got carry from n. Subtract next step to cancel this carry.
bne 4b
addcc %0,%0,%0 ! shift n1n0 and a 0-bit in lsb
sub %1,%2,%1
3: xnor %0,0,%0
! End of inline udiv_qrnnd" : "=&r" ((USItype) ( q1 )), "=&r" ((USItype) ( n1 )) : "r" ((USItype) ( d0 )), "1" ((USItype) ( 0 )), "0" ((USItype) ( n1 )) : "g1" , "cc" ) ;
__asm__ ("! Inlined udiv_qrnnd
mov 32,%%g1
subcc %1,%2,%%g0
1: bcs 5f
addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb
sub %1,%2,%1 ! this kills msb of n
addx %1,%1,%1 ! so this can't give carry
subcc %%g1,1,%%g1
2: bne 1b
subcc %1,%2,%%g0
bcs 3f
addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb
b 3f
sub %1,%2,%1 ! this kills msb of n
4: sub %1,%2,%1
5: addxcc %1,%1,%1
bcc 2b
subcc %%g1,1,%%g1
! Got carry from n. Subtract next step to cancel this carry.
bne 4b
addcc %0,%0,%0 ! shift n1n0 and a 0-bit in lsb
sub %1,%2,%1
3: xnor %0,0,%0
! End of inline udiv_qrnnd" : "=&r" ((USItype) ( q0 )), "=&r" ((USItype) ( n0 )) : "r" ((USItype) ( d0 )), "1" ((USItype) ( n1 )), "0" ((USItype) ( n0 )) : "g1" , "cc" ) ;
}
if (rp != 0)
{
rr.s.low = n0;
rr.s.high = 0;
*rp = rr.ll;
}
}
else
{
if (d1 > n1)
{
q0 = 0;
q1 = 0;
if (rp != 0)
{
rr.s.low = n0;
rr.s.high = n1;
*rp = rr.ll;
}
}
else
{
do { USItype __xr = ( d1 ); USItype __a; if (32 <= 32) { __a = __xr < ((USItype )1<<2* (32 / 4) ) ? (__xr < ((USItype )1<< (32 / 4) ) ? 0 : (32 / 4) ) : (__xr < ((USItype )1<<3* (32 / 4) ) ? 2* (32 / 4) : 3* (32 / 4) ); } else { for (__a = 32 - 8; __a > 0; __a -= 8) if (((__xr >> __a) & 0xff) != 0) break; } ( bm ) = 32 - (__clz_tab[__xr >> __a] + __a); } while (0) ;
if (bm == 0)
{
if (n1 > d1 || n0 >= d0)
{
q0 = 1;
__asm__ ("subcc %r4,%5,%1
subx %r2,%3,%0" : "=r" ((USItype) ( n1 )), "=&r" ((USItype) ( n0 )) : "rJ" ((USItype) ( n1 )), "rI" ((USItype) ( d1 )), "rJ" ((USItype) ( n0 )), "rI" ((USItype) ( d0 )) : "cc" ) ;
}
else
q0 = 0;
q1 = 0;
if (rp != 0)
{
rr.s.low = n0;
rr.s.high = n1;
*rp = rr.ll;
}
}
else
{
USItype m1, m0;
b = 32 - bm;
d1 = (d1 << bm) | (d0 >> b);
d0 = d0 << bm;
n2 = n1 >> b;
n1 = (n1 << bm) | (n0 >> b);
n0 = n0 << bm;
__asm__ ("! Inlined udiv_qrnnd
mov 32,%%g1
subcc %1,%2,%%g0
1: bcs 5f
addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb
sub %1,%2,%1 ! this kills msb of n
addx %1,%1,%1 ! so this can't give carry
subcc %%g1,1,%%g1
2: bne 1b
subcc %1,%2,%%g0
bcs 3f
addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb
b 3f
sub %1,%2,%1 ! this kills msb of n
4: sub %1,%2,%1
5: addxcc %1,%1,%1
bcc 2b
subcc %%g1,1,%%g1
! Got carry from n. Subtract next step to cancel this carry.
bne 4b
addcc %0,%0,%0 ! shift n1n0 and a 0-bit in lsb
sub %1,%2,%1
3: xnor %0,0,%0
! End of inline udiv_qrnnd" : "=&r" ((USItype) ( q0 )), "=&r" ((USItype) ( n1 )) : "r" ((USItype) ( d1 )), "1" ((USItype) ( n2 )), "0" ((USItype) ( n1 )) : "g1" , "cc" ) ;
__asm__ ("! Inlined umul_ppmm
wr %%g0,%2,%%y ! SPARC has 0-3 delay insn after a wr
sra %3,31,%%o5 ! Don't move this insn
and %2,%%o5,%%o5 ! Don't move this insn
andcc %%g0,0,%%g1 ! Don't move this insn
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,%3,%%g1
mulscc %%g1,0,%%g1
add %%g1,%%o5,%0
rd %%y,%1" : "=r" ((USItype) ( m1 )), "=r" ((USItype) ( m0 )) : "%rI" ((USItype) ( q0 )), "r" ((USItype) ( d0 )) : "g1", "o5" , "cc" ) ;
if (m1 > n1 || (m1 == n1 && m0 > n0))
{
q0--;
__asm__ ("subcc %r4,%5,%1
subx %r2,%3,%0" : "=r" ((USItype) ( m1 )), "=&r" ((USItype) ( m0 )) : "rJ" ((USItype) ( m1 )), "rI" ((USItype) ( d1 )), "rJ" ((USItype) ( m0 )), "rI" ((USItype) ( d0 )) : "cc" ) ;
}
q1 = 0;
if (rp != 0)
{
__asm__ ("subcc %r4,%5,%1
subx %r2,%3,%0" : "=r" ((USItype) ( n1 )), "=&r" ((USItype) ( n0 )) : "rJ" ((USItype) ( n1 )), "rI" ((USItype) ( m1 )), "rJ" ((USItype) ( n0 )), "rI" ((USItype) ( m0 )) : "cc" ) ;
rr.s.low = (n1 << b) | (n0 >> bm);
rr.s.high = n1 >> bm;
*rp = rr.ll;
}
}
}
}
ww.s.low = q0;
ww.s.high = q1;
return ww.ll;
}
DItype
__divdi3 (DItype u, DItype v)
{
word_type c = 0;
DIunion uu, vv;
DItype w;
uu.ll = u;
vv.ll = v;
if (uu.s.high < 0)
c = ~c,
uu.ll = __negdi2 (uu.ll);
if (vv.s.high < 0)
c = ~c,
vv.ll = __negdi2 (vv.ll);
w = __udivmoddi4 (uu.ll, vv.ll, (UDItype *) 0);
if (c)
w = __negdi2 (w);
return w;
}
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