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r177950 - in /branches/transactional-memory/lib...

From: torvald at gcc dot gnu dot org
To: gcc-cvs at gcc dot gnu dot org
Date: Mon, 22 Aug 2011 08:59:52 -0000
Subject: r177950 - in /branches/transactional-memory/lib...

Author: torvald
Date: Mon Aug 22 08:59:51 2011
New Revision: 177950

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=177950
Log:
Add futex-based serial lock.

	* config/linux/rwlock.h: New file.
	* config/linux/rwlock.c: New file.
	* configure.ac: Reenable futex support (undo SVN rev 157758).
	* Makefile.am: Same.
	* configure.tgt: Same.
	* config/linux/alpha/futex_bits.h: Same.
	* config/linux/futex.h: Same. Return number of woken processes.
	* config/linux/futex.cc: Same.
	(futex_wait): Remove spinning.
	* config/linux/x86/futex_bits.h: Same. Set futex timeout to zero.
	Use __x86_64__ instead of __LP64__.
	* aclocal.m4: Include generic futex checks.
	* configure: Rebuild.
	* Makefile.in: Rebuild.
	* testsuite/Makefile.in: Rebuild.
	* beginend.cc: Include pthread.h.
	* config/posix/cachepage.cc: Same.

Added:
    branches/transactional-memory/libitm/config/linux/
    branches/transactional-memory/libitm/config/linux/alpha/
    branches/transactional-memory/libitm/config/linux/alpha/futex_bits.h
    branches/transactional-memory/libitm/config/linux/futex.cc
    branches/transactional-memory/libitm/config/linux/futex.h
    branches/transactional-memory/libitm/config/linux/rwlock.cc
    branches/transactional-memory/libitm/config/linux/rwlock.h
    branches/transactional-memory/libitm/config/linux/x86/
    branches/transactional-memory/libitm/config/linux/x86/futex_bits.h
Modified:
    branches/transactional-memory/libitm/ChangeLog
    branches/transactional-memory/libitm/Makefile.am
    branches/transactional-memory/libitm/Makefile.in
    branches/transactional-memory/libitm/aclocal.m4
    branches/transactional-memory/libitm/beginend.cc
    branches/transactional-memory/libitm/config/posix/cachepage.cc
    branches/transactional-memory/libitm/configure
    branches/transactional-memory/libitm/configure.ac
    branches/transactional-memory/libitm/configure.tgt
    branches/transactional-memory/libitm/testsuite/Makefile.in

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