Merge mysql.com:/home/pz/mysql/mysql-4.1-root

into mysql.com:/home/pz/mysql/mysql-4.1

.bzrignore

@@ -75,6 +75,7 @@ Makefile.in'
 PENDING/*
 TAGS
 aclocal.m4
+autom4te.cache/*
 bdb/README
 bdb/btree/btree_auto.c
 bdb/build_unix/*
@@ -192,6 +193,7 @@ config.h.in
 config.log
 config.status
 configure
+configure.lineno
 core
 db-*.*.*
 dbug/user.t
@@ -209,10 +211,13 @@ include/my_config.h
 include/my_global.h
 include/mysql_version.h
 include/widec.h
+innobase/autom4te.cache/*
+innobase/configure.lineno
 innobase/conftest.s1
 innobase/conftest.subs
 innobase/ib_config.h
 innobase/ib_config.h.in
+innobase/stamp-h1
 isam/isamchk
 isam/isamlog
 isam/pack_isam
@@ -302,6 +307,7 @@ libmysqld/sql_db.cc
 libmysqld/sql_delete.cc
 libmysqld/sql_do.cc
 libmysqld/sql_handler.cc
+libmysqld/sql_help.cc
 libmysqld/sql_insert.cc
 libmysqld/sql_lex.cc
 libmysqld/sql_list.cc
@@ -361,6 +367,8 @@ myisam/myisamchk
 myisam/myisamlog
 myisam/myisampack
 myisam/rt_test
+myisam/rt_test.MYD
+myisam/rt_test.MYI
 myisam/sp_test
 myisam/test1.MYD
 myisam/test1.MYI
@@ -405,6 +413,8 @@ repl-tests/test-repl/foo-dump-slave.master.
 repl-tests/test-repl/sum-wlen-slave.master.
 repl-tests/test-repl/sum-wlen-slave.master.re
 repl-tests/test-repl/sum-wlen-slave.master.reje
+scripts/fill_func_tables
+scripts/fill_func_tables.sql
 scripts/make_binary_distribution
 scripts/msql2mysql
 scripts/mysql_config
@@ -474,8 +484,11 @@ sql/sql_select.cc.orig
 sql/sql_yacc.cc
 sql/sql_yacc.h
 sql/sql_yacc.yy.orig
+sql_error.cc
+sql_prepare.cc
 stamp-h
 stamp-h.in
+stamp-h1
 strings/conf_to_src
 strings/ctype_autoconf.c
 strings/ctype_extra_sources.c
@@ -503,13 +516,3 @@ vio/test-ssl
 vio/test-sslclient
 vio/test-sslserver
 vio/viotest-ssl
-sql_error.cc
-sql_prepare.cc
-autom4te.cache/*
-innobase/autom4te.cache/*
-configure.lineno
-innobase/configure.lineno
-innobase/stamp-h1
-myisam/rt_test.MYD
-myisam/rt_test.MYI
-stamp-h1

BitKeeper/etc/config

@@ -69,4 +69,5 @@ pager:
 hours: 
 [serg:]checkout:get
 [arjen:]checkout:get
+[nick:]checkout:get
 checkout:edit

include/thr_lock.h

@@ -74,6 +74,7 @@ typedef struct st_thr_lock_data {
   enum thr_lock_type type;
   ulong thread_id;
   void *status_param;			/* Param to status functions */
+  void *debug_print_param;
 } THR_LOCK_DATA;
 
 struct st_lock_list {
@@ -97,6 +98,9 @@ typedef struct st_thr_lock {
 } THR_LOCK;
 
 
+extern LIST *thr_lock_thread_list;
+extern pthread_mutex_t THR_LOCK_lock;
+
 my_bool init_thr_lock(void);		/* Must be called once/thread */
 void thr_lock_init(THR_LOCK *lock);
 void thr_lock_delete(THR_LOCK *lock);

mysql-test/r/derived.result

@@ -18,3 +18,9 @@ a	y
 3	3
 3	3
 drop table if exists  t1.t2,t3;
+select * from (select 1);
+1
+1
+select a from (select 1 as a);
+a
+1

mysql-test/t/derived.test

@@ -9,3 +9,5 @@ CREATE TABLE t3 (a int not null, b char (10) not null);
 insert into t3 values (3,'f'),(4,'y'),(5,'z'),(6,'c');
 select t1.a,t4.y from t1,(select t2.a as y from t2,(select t3.b from t3 where t3.a>3) as t5  where t2.b=t5.b) as t4  where t1.a = t4.y;
 drop table if exists  t1.t2,t3;
+select * from (select 1);
+select a from (select 1 as a);

mysys/thr_lock.c

@@ -91,7 +91,7 @@ enum thr_lock_type thr_upgraded_concurrent_insert_lock = TL_WRITE;
 #define MAX_LOCKS   100
 
 
-static LIST *thread_list;			/* List of threads in use */
+LIST *thr_lock_thread_list;			/* List of threads in use */
 ulong max_write_lock_count= ~(ulong) 0L;
 
 static inline pthread_cond_t *get_cond(void)
@@ -307,7 +307,7 @@ void thr_lock_init(THR_LOCK *lock)
 
   pthread_mutex_lock(&THR_LOCK_lock);		/* Add to locks in use */
   lock->list.data=(void*) lock;
-  thread_list=list_add(thread_list,&lock->list);
+  thr_lock_thread_list=list_add(thr_lock_thread_list,&lock->list);
   pthread_mutex_unlock(&THR_LOCK_lock);
   DBUG_VOID_RETURN;
 }
@@ -318,7 +318,7 @@ void thr_lock_delete(THR_LOCK *lock)
   DBUG_ENTER("thr_lock_delete");
   VOID(pthread_mutex_destroy(&lock->mutex));
   pthread_mutex_lock(&THR_LOCK_lock);
-  thread_list=list_delete(thread_list,&lock->list);
+  thr_lock_thread_list=list_delete(thr_lock_thread_list,&lock->list);
   pthread_mutex_unlock(&THR_LOCK_lock);
   DBUG_VOID_RETURN;
 }
@@ -1061,7 +1061,7 @@ void thr_print_locks(void)
 
   pthread_mutex_lock(&THR_LOCK_lock);
   puts("Current locks:");
-  for (list=thread_list ; list && count++ < MAX_THREADS ; list=rest(list))
+  for (list=thr_lock_thread_list ; list && count++ < MAX_THREADS ; list=rest(list))
   {
     THR_LOCK *lock=(THR_LOCK*) list->data;
     VOID(pthread_mutex_lock(&lock->mutex));

sql/lock.cc

@@ -69,6 +69,12 @@
 #include "mysql_priv.h"
 #include <hash.h>
 #include <assert.h>
+#include <ha_myisammrg.h>
+#ifndef MASTER
+#include "../srclib/myisammrg/myrg_def.h"
+#else
+#include "../myisammrg/myrg_def.h"
+#endif
 
 extern HASH open_cache;
 
@@ -154,6 +160,7 @@ MYSQL_LOCK *mysql_lock_tables(THD *thd,TABLE **tables,uint count)
       sql_lock=0;
     }
   }
+
   thd->lock_time();
   DBUG_RETURN (sql_lock);
 }
@@ -410,8 +417,12 @@ static MYSQL_LOCK *get_lock_data(THD *thd, TABLE **table_ptr, uint count,
 	return 0;
       }
     }
+    THR_LOCK_DATA **org_locks = locks;
     locks=table->file->store_lock(thd, locks, get_old_locks ? TL_IGNORE :
 				  lock_type);
+    if (locks)
+      for ( ; org_locks != locks ; org_locks++)
+	(*org_locks)->debug_print_param= (void *) table;
   }
   return sql_lock;
 }

sql/log_event.h

@@ -54,6 +54,11 @@
 #define LINE_START_EMPTY	0x8
 #define ESCAPED_EMPTY		0x10
 
+/*****************************************************************************
+
+  old_sql_ex struct
+
+ ****************************************************************************/
 struct old_sql_ex
 {
   char field_term;
@@ -67,6 +72,11 @@ struct old_sql_ex
 
 #define NUM_LOAD_DELIM_STRS 5
 
+/*****************************************************************************
+
+  sql_ex_info struct
+
+ ****************************************************************************/
 struct sql_ex_info
 {
   char* field_term;
@@ -99,13 +109,19 @@ struct sql_ex_info
   }
 };
 
-/*
-  Binary log consists of events. Each event has a fixed length header,
-  followed by possibly variable ( depending on the type of event) length
-  data body. The data body consists of an optional fixed length segment
-  (post-header), and an optional variable length segment. See #defines and
-  comments below for the format specifics
-*/
+/*****************************************************************************
+
+  MySQL Binary Log
+
+  This log consists of events.  Each event has a fixed-length header,
+  possibly followed by a variable length data body.
+
+  The data body consists of an optional fixed length segment (post-header)
+  and  an optional variable length segment.
+
+  See the #defines below for the format specifics.
+
+ ****************************************************************************/
 
 /* event-specific post-header sizes */
 #define LOG_EVENT_HEADER_LEN 19
@@ -221,6 +237,13 @@ class THD;
 
 struct st_relay_log_info;
 
+/*****************************************************************************
+
+  Log_event class
+
+  This is the abstract base class for binary log events.
+
+ ****************************************************************************/
 class Log_event
 {
 public:
@@ -303,6 +326,13 @@ class Log_event
 };
 
 
+/*****************************************************************************
+
+  Query Log Event class
+
+  Logs SQL queries
+
+ ****************************************************************************/
 class Query_log_event: public Log_event
 {
 protected:
@@ -355,6 +385,11 @@ class Query_log_event: public Log_event
 };
 
 
+/*****************************************************************************
+
+  Slave Log Event class
+
+ ****************************************************************************/
 class Slave_log_event: public Log_event
 {
 protected:
@@ -384,6 +419,12 @@ class Slave_log_event: public Log_event
   int write_data(IO_CACHE* file );
 };
 
+
+/*****************************************************************************
+
+  Load Log Event class
+
+ ****************************************************************************/
 class Load_log_event: public Log_event
 {
 protected:
@@ -446,6 +487,11 @@ class Load_log_event: public Log_event
 
 extern char server_version[SERVER_VERSION_LENGTH];
 
+/*****************************************************************************
+
+  Start Log Event class
+
+ ****************************************************************************/
 class Start_log_event: public Log_event
 {
 public:
@@ -477,6 +523,13 @@ class Start_log_event: public Log_event
 };
 
 
+/*****************************************************************************
+
+  Intvar Log Event class
+
+  Logs special variables such as auto_increment values
+
+ ****************************************************************************/
 class Intvar_log_event: public Log_event
 {
 public:
@@ -503,9 +556,11 @@ class Intvar_log_event: public Log_event
 };
 
 /*****************************************************************************
- *
- *  Rand log event class
- *
+
+  Rand Log Event class
+
+  Logs random seed used by the next RAND()
+
  ****************************************************************************/
 class Rand_log_event: public Log_event
 {
@@ -531,6 +586,12 @@ class Rand_log_event: public Log_event
   bool is_valid() { return 1; }
 };
 
+
+/*****************************************************************************
+
+  Stop Log Event class
+
+ ****************************************************************************/
 class Stop_log_event: public Log_event
 {
 public:
@@ -551,6 +612,13 @@ class Stop_log_event: public Log_event
 };
 
 
+/*****************************************************************************
+
+  Rotate Log Event class
+
+  This will be depricated when we move to using sequence ids.
+
+ ****************************************************************************/
 class Rotate_log_event: public Log_event
 {
 public:
@@ -585,6 +653,11 @@ class Rotate_log_event: public Log_event
 
 /* the classes below are for the new LOAD DATA INFILE logging */
 
+/*****************************************************************************
+
+  Create File Log Event class
+
+ ****************************************************************************/
 class Create_file_log_event: public Load_log_event
 {
 protected:
@@ -641,6 +714,11 @@ class Create_file_log_event: public Load_log_event
 };
 
 
+/*****************************************************************************
+
+  Append Block Log Event class
+
+ ****************************************************************************/
 class Append_block_log_event: public Log_event
 {
 public:
@@ -665,7 +743,11 @@ class Append_block_log_event: public Log_event
   int write_data(IO_CACHE* file);
 };
 
+/*****************************************************************************
 
+  Delete File Log Event class
+
+ ****************************************************************************/
 class Delete_file_log_event: public Log_event
 {
 public:
@@ -687,6 +769,11 @@ class Delete_file_log_event: public Log_event
   int write_data(IO_CACHE* file);
 };
 
+/*****************************************************************************
+
+  Execute Load Log Event class
+
+ ****************************************************************************/
 class Execute_load_log_event: public Log_event
 {
 public:

sql/sql_derived.cc

@@ -70,7 +70,7 @@ int mysql_derived(THD *thd, LEX *lex, SELECT_LEX_UNIT *unit, TABLE_LIST *t,
     
   if (tables_is_opened || !(res=open_and_lock_tables(thd,tables)))
   {
-    if (tables && setup_fields(thd,tables,item_list,0,0,1))
+    if (setup_fields(thd,tables,item_list,0,0,1))
     {
       res=-1;
       goto exit;
@@ -113,6 +113,7 @@ int mysql_derived(THD *thd, LEX *lex, SELECT_LEX_UNIT *unit, TABLE_LIST *t,
 	  t->table=table;
 	  table->derived_select_number= sl->select_number;
 	  sl->exclude();
+	  t->db= (tables && tables->db && tables->db[0]) ? t->db : thd->db;
 	  t->derived=(SELECT_LEX *)0; // just in case ...
 	}
       }

sql/sql_parse.cc

@@ -1388,10 +1388,14 @@ mysql_execute_command(THD *thd)
     for (TABLE_LIST *cursor= tables;
 	 cursor;
 	 cursor= cursor->next)
-      if (cursor->derived && mysql_derived(thd, lex,
+      if (cursor->derived && (res=mysql_derived(thd, lex,
 					   (SELECT_LEX_UNIT *)cursor->derived,
-					   cursor, 0))
+						cursor, 0)))
+      {  
+	if (res < 0)
+	  send_error(thd,thd->killed ? ER_SERVER_SHUTDOWN : 0);
 	DBUG_VOID_RETURN;
+      }
   }
   if ((lex->select_lex.next_select_in_list() && 
        lex->unit.create_total_list(thd, lex, &tables)) ||
@@ -2781,7 +2785,7 @@ check_table_access(THD *thd, ulong want_access,TABLE_LIST *tables,
 	found=1;
       }
     }
-    else if (check_access(thd,want_access,tables->db,&tables->grant.privilege,
+    else if (tables->db && check_access(thd,want_access,tables->db,&tables->grant.privilege,
 			  0, no_errors))
       return TRUE;
   }

sql/sql_test.cc

@@ -26,6 +26,23 @@
 /* Intern key cache variables */
 extern "C" pthread_mutex_t THR_LOCK_keycache;
 
+static const char *lock_descriptions[] =
+{
+  "No lock",
+  "Low priority read lock",
+  "Shared Read lock",
+  "High priority read lock",
+  "Read lock  without concurrent inserts",
+  "Write lock that allows other writers",
+  "Write lock, but allow reading",
+  "Concurrent insert lock",
+  "Lock Used by delayed insert",
+  "Low priority write lock",
+  "High priority write lock",
+  "Highest priority write lock"
+};
+
+
 #ifndef DBUG_OFF
 
 void
@@ -45,29 +62,11 @@ print_where(COND *cond,const char *info)
     DBUG_UNLOCK_FILE;
   }
 }
-
 	/* This is for debugging purposes */
 
 extern HASH open_cache;
 extern TABLE *unused_tables;
 
-static const char *lock_descriptions[] =
-{
-  "No lock",
-  "Low priority read lock",
-  "Shared Read lock",
-  "High priority read lock",
-  "Read lock  without concurrent inserts",
-  "Write lock that allows other writers",
-  "Write lock, but allow reading",
-  "Concurrent insert lock",
-  "Lock Used by delayed insert",
-  "Low priority write lock",
-  "High priority write lock",
-  "Highest priority write lock"
-};
-
-
 void print_cached_tables(void)
 {
   uint idx,count,unused;
@@ -203,6 +202,99 @@ TEST_join(JOIN *join)
 
 #endif
 
+typedef struct st_debug_lock
+{
+  ulong thread_id;
+  char table_name[FN_REFLEN];
+  bool waiting;
+  const char *lock_text;
+  enum thr_lock_type type;
+} TABLE_LOCK_INFO;
+
+static int dl_compare(TABLE_LOCK_INFO *a,TABLE_LOCK_INFO *b)
+{
+  if (a->thread_id > b->thread_id)
+    return 1;
+  if (a->thread_id < b->thread_id)
+    return -1;
+  if (a->waiting == b->waiting)
+    return 0;
+  else if (a->waiting)
+    return -1;
+  return 1;
+}
+
+static void push_locks_into_array(DYNAMIC_ARRAY *ar, THR_LOCK_DATA *data, bool wait, const char *text)
+{
+  if (data)
+  {
+    TABLE *table=(TABLE *)data->debug_print_param;
+    if (table && table->tmp_table == NO_TMP_TABLE)
+    {
+      TABLE_LOCK_INFO table_lock_info;
+      table_lock_info.thread_id=table->in_use->thread_id;
+      memcpy(table_lock_info.table_name, table->table_cache_key, table->key_length);
+      table_lock_info.table_name[strlen(table_lock_info.table_name)]='.';
+      table_lock_info.waiting=wait;
+      table_lock_info.lock_text=text;
+      table_lock_info.type=table->reginfo.lock_type; // obtainable also from THR_LOCK_DATA
+      VOID(push_dynamic(ar,(gptr) &table_lock_info));
+    }
+  }
+}
+/* 
+   Regarding MERGE tables:
+
+For now, the best option is to use the common TABLE *pointer for all
+cases;  The drawback is that for MERGE tables we will see many locks
+for the merge tables even if some of them are for individual tables.
+
+The way to solve this is to add to 'THR_LOCK' structure a pointer to
+the filename and use this when printing the data.
+(We can for now ignore this and just print the same name for all merge
+table parts;  Please add the above as a comment to the display_lock
+function so that we can easily add this if we ever need this.
+
+*/
+
+static void display_table_locks (void) 
+{
+  LIST *list;
+  DYNAMIC_ARRAY saved_table_locks;
+
+  VOID(my_init_dynamic_array(&saved_table_locks,sizeof(TABLE_LOCK_INFO),open_cache.records + 20,50));
+  VOID(pthread_mutex_lock(&THR_LOCK_lock));
+  for (list=thr_lock_thread_list ; list ; list=rest(list))
+  {
+    THR_LOCK *lock=(THR_LOCK*) list->data;
+
+    VOID(pthread_mutex_lock(&lock->mutex));
+    push_locks_into_array(&saved_table_locks, lock->write.data, false, "Locked - write");
+    push_locks_into_array(&saved_table_locks, lock->write_wait.data, true, "Waiting - write");
+    push_locks_into_array(&saved_table_locks, lock->read.data, false, "Locked - read");
+    push_locks_into_array(&saved_table_locks, lock->read_wait.data, true, "Waiting - read");
+    VOID(pthread_mutex_unlock(&lock->mutex));
+  }
+  VOID(pthread_mutex_unlock(&THR_LOCK_lock));
+  if (!saved_table_locks.elements) goto end;
+  
+  qsort((gptr) dynamic_element(&saved_table_locks,0,TABLE_LOCK_INFO *),saved_table_locks.elements,sizeof(TABLE_LOCK_INFO),(qsort_cmp) dl_compare);
+  freeze_size(&saved_table_locks);
+
+  puts("\nThread database.table_name          Locked/Waiting        Lock_type\n");
+  
+  for (uint i=0 ; i < saved_table_locks.elements ; i++)
+  {
+    TABLE_LOCK_INFO *dl_ptr=dynamic_element(&saved_table_locks,i,TABLE_LOCK_INFO*);
+    printf("%-8ld%-28.28s%-22s%s\n",
+	   dl_ptr->thread_id,dl_ptr->table_name,dl_ptr->lock_text,lock_descriptions[(int)dl_ptr->type]);
+  }
+  puts("\n\n");
+end:
+  delete_dynamic(&saved_table_locks);
+}
+
+
 void mysql_print_status(THD *thd)
 {
   char current_dir[FN_REFLEN];
@@ -268,6 +360,7 @@ Next alarm time: %lu\n",
 	 alarm_info.max_used_alarms,
 	 alarm_info.next_alarm_time);
 #endif
+  display_table_locks();
   fflush(stdout);
   if (thd)
     thd->proc_info="malloc";

sql/sql_yacc.yy

@@ -1449,20 +1449,6 @@ slave:
            lex->sql_command = SQLCOM_SLAVE_STOP;
 	   lex->type = 0;
          };
-         |
-	SLAVE START_SYM slave_thread_opts
-         {
-	   LEX *lex=Lex;
-           lex->sql_command = SQLCOM_SLAVE_START;
-	   lex->type = 0;
-         }
-         |
-	SLAVE STOP_SYM slave_thread_opts
-         {
-	   LEX *lex=Lex;
-           lex->sql_command = SQLCOM_SLAVE_STOP;
-	   lex->type = 0;
-         };
 
 slave_thread_opts:
 	slave_thread_opt

strings/longlong2str-x86.s

@@ -64,7 +64,7 @@ longlong2str:
 	jne .L150
 	movb $48,(%edi)
 	incl %edi
-	jmp .L164
+	jmp .L10_end
 	.align 4
 
 .L150:
@@ -81,9 +81,9 @@ longlong2str:
 	movl %eax,%ebp
 	movl %esi,%eax
 	divl %ebx
+	decl %ecx
 	movl %eax,%esi		# quotent in ebp:esi 
 	movb _dig_vec(%edx),%al   # al is faster than dl 
-	decl %ecx
 	movb %al,(%ecx)		# store value in buff 
 	.align 4
 .L155:
@@ -91,7 +91,7 @@ longlong2str:
 	ja .L153
 	testl %esi,%esi		# rest value 
 	jl .L153
-	je .L160		# Ready 
+	je .L10_mov		# Ready 
 	movl %esi,%eax
 	movl $_dig_vec,%ebp
 	.align 4
@@ -105,14 +105,14 @@ longlong2str:
 	movb %dl,(%ecx)
 	jne .L154
 
-.L160:
+.L10_mov:
 	movl %ecx,%esi
 	leal 92(%esp),%ecx	# End of buffer 
 	subl %esi,%ecx
 	rep
 	movsb
 
-.L164:
+.L10_end:
 	movl %edi,%eax		# Pointer to end null 
 	movb $0,(%edi)		# Store the end null 
 
@@ -131,10 +131,93 @@ longlong2str:
 .Lfe3:
 	.size	 longlong2str,.Lfe3-longlong2str
 
+#
+# This is almost equal to the above, except that we can do the final
+# loop much more efficient	
+#	
+
+	.align 4
+.Ltmp:
+        .long 0xcccccccd
+	.align 4
+	
 .globl	longlong10_to_str
 	.type	 longlong10_str,@function
 longlong10_to_str:
-	jmp longlong2str
+	subl $80,%esp
+	pushl %ebp
+	pushl %esi
+	pushl %edi
+	pushl %ebx
+	movl 100(%esp),%esi	# Lower part of val 
+	movl 104(%esp),%ebp	# Higher part of val 
+	movl 108(%esp),%edi	# get dst 
+	movl 112(%esp),%ebx	# Radix (10 or -10)
+	testl %ebx,%ebx
+	jge .L10_10		# Positive radix
+
+	negl %ebx		# Change radix to positive (= 10)
+
+	testl %ebp,%ebp		# Test if negative value
+	jge .L10_10
+	movb $45,(%edi)		# Add sign 
+	incl %edi
+	negl %esi		# Change sign of val (ebp:esi)
+	adcl $0,%ebp
+	negl %ebp
+	.align 4
+
+.L10_10:
+	leal 92(%esp),%ecx	# End of buffer 
+	movl %esi,%eax		# Test if zero (for easy loop) 
+	orl %ebp,%eax
+	jne .L10_30		# Not zero
+
+	# Here when value is zero
+	movb $48,(%edi)
+	incl %edi
+	jmp .L10_end
+	.align 4
+
+.L10_20:
+	# val is stored in in ebp:esi 
+	movl %ebp,%eax		# High part of value 
+	xorl %edx,%edx
+	divl %ebx		# Divide by 10
+	movl %eax,%ebp
+	movl %esi,%eax
+	divl %ebx		# Divide by 10
+	decl %ecx
+	movl %eax,%esi		# quotent in ebp:esi 
+	addl $48,%edx		# Convert to ascii
+	movb %dl,(%ecx)		# store value in buff 
+
+.L10_30:
+	testl %ebp,%ebp
+	ja .L10_20
+	testl %esi,%esi		# rest value 
+	jl .L10_20		# Unsigned, do ulonglong div once more
+	je .L10_mov		# Ready
+	movl %esi,%ebx		# Move val to %ebx
+
+	# The following code uses some tricks to change division by 10 to
+	# multiplication and shifts
+	movl .Ltmp,%esi		# set %esi to 0xcccccccd
+	
+.L10_40:
+        movl %ebx,%eax
+        mull %esi
+        decl %ecx
+        shrl $3,%edx
+        leal (%edx,%edx,4),%eax
+        addl %eax,%eax
+        subb %al,%bl		# %bl now contains val % 10
+        addb $48,%bl
+        movb %bl,(%ecx)
+        movl %edx,%ebx
+        testl %ebx,%ebx
+	jne .L10_40
+	jmp .L10_mov		# Shared end with longlong10_to_str
 
 .L10end:
 	.size	 longlong10_to_str,.L10end-longlong10_to_str