gcc/gcc ChangeLog gthr-win32.h config/i386/gth ...

[mmitchel@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_4-branch
Changes by:	mmitchel@gcc.gnu.org	2004-09-06 01:25:48

Modified files:
	gcc            : ChangeLog gthr-win32.h 
	gcc/config/i386: gthr-win32.c 

Log message:
	PR bootstrap/17325
	Backport from mainline
	2004-06-23  Wu Yongwei  <adah@sh163.net>
	* gthr-win32.h (__GTHREAD_MUTEX_INIT_DEFAULT): Adjust.
	(__gthr_i486_lock_cmp_xchg): New inline assembly function.
	(__GTHR_W32_InterlockedCompareExchange): New macro to choose a
	suitable function for interlocked compare-and-exchange.
	(__gthread_mutex_trylock): Use
	__GTHR_W32_InterlockedCompareExchange.
	(__gthread_mutex_init_function, __gthread_mutex_lock,
	__gthread_mutex_trylock, __gthread_mutex_unlock): Adjust the
	initial counter value to work correctly under Windows 95.
	* config/i386/gthr-win32.c: Adjust include order.
	Define __GTHREAD_I486_INLINE_LOCK_PRIMITIVES before including
	gthr-win32.h.
	(__gthr_win32_mutex_init_function, __gthr_win32_mutex_lock,
	__gthr_win32_mutex_trylock, __gthr_win32_mutex_unlock): Adjust
	to match inline versions in gthr-win32.h.
	
	2004-04-27  Wu Yongwei  <adah@sh163.net>
	* gthr-win32.h (__gthread_mutex_t): Change typedef to new structure.
	(__GTHREAD_MUTEX_INIT_DEFAULT): Adjust.
	(__gthread_mutex_init_function): Replace CreateMutex with
	initialization of custom mutex using CreateSemaphore.
	(__gthread_mutex_lock): Use InterlockedIncrement.
	(__gthread_mutex_trylock): Use InterlockedCompareExchange.
	(__gthread_mutex_unlock): Use InterlockedDecrement and
	ReleaseSemaphore to unlock
	* config/i386/gthr-win32.c (__gthread_mutex_init_function,
	__gthread_mutex_lock, __gthread_mutex_trylock,
	__gthread_mutex_unlock): Adjust to match inline versions in
	gthr-win32.h.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=2.2326.2.609&r2=2.2326.2.610
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gthr-win32.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.21&r2=1.21.16.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/gthr-win32.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.4.4.1&r2=1.4.4.2