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Author SHA1 Message Date
Kelley Cook 83f517994d All files: Update FSF address. 
2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>

	* All files: Update FSF address.

From-SVN: r103192
 2005-08-17 02:28:44 +00:00
Jason Merrill 445cf5eb0d Add memory barriers to the double-checked locking used for static initialization. 
libstdc++:
        Add memory barriers to the double-checked locking used for static
        initialization.
        * libsupc++/guard.cc (__test_and_acquire): Define default.
        (_GLIBCXX_GUARD_TEST_AND_ACQUIRE, __set_and_release)
        (_GLIBCXX_GUARD_SET_AND_RELEASE): Likewise.
        (recursion_push, recursion_pop): New abstraction functions.
        (__cxa_guard_acquire): Use _GLIBCXX_GUARD_TEST_AND_ACQUIRE.
        (__cxa_guard_release): Use _GLIBCXX_GUARD_SET_AND_RELEASE.
        * config/cpu/generic/cxxabi_tweaks.h (_GLIBCXX_GUARD_TEST): Rename
        from _GLIBCXX_GUARD_ACQUIRE and reverse sense.
        (_GLIBCXX_GUARD_SET): Rename from _GLIBCXX_GUARD_RELEASE.
        * config/cpu/arm/cxxabi_tweaks.h: Likewise.
        * config/cpu/alpha/atomic_word.h (_GLIBCXX_READ_MEM_BARRIER)
        (_GLIBCXX_WRITE_MEM_BARRIER): Define.
        * config/cpu/powerpc/atomic_word.h: Likewise.
        * config/cpu/sparc/atomic_word.h: Likewise.
        * config/cpu/generic/atomic_word.h: Define them, commented out.
        * include/bits/atomicity.h: Define defaults.
        * config/cpu/ia64/atomic_word.h (__test_and_acquire)
        (__set_and_release): New inlines.
        (_GLIBCXX_GUARD_TEST_AND_ACQUIRE): Define.
        (_GLIBCXX_GUARD_SET_AND_RELEASE): Define.

        * libsupc++/guard.cc (acquire_1): Use __builtin_trap instead of
        abort();

gcc:
        * doc/tm.texi (TARGET_RELAXED_ORDERING): Document.
        * target.h (struct gcc_target): Add relaxed_ordering field.
        * target-def.h (TARGET_RELAXED_ORDERING): Define default.
        (TARGET_INITIALIZER): Add it.
        * config/alpha/alpha.c (TARGET_RELAXED_ORDERING): Define.
        * config/ia64/ia64.c (TARGET_RELAXED_ORDERING): Define.
        * config/rs6000/rs6000.c (TARGET_RELAXED_ORDERING): Define.
        * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define.
        * cp/decl.c (expand_static_init): Don't use shortcut if
        targetm.relaxed_ordering.

From-SVN: r92659
 2004-12-27 23:36:54 -05:00
Mark Mitchell 511bbc8f91 cxxabi_tweaks.h (__cxa_cdtor_return_type): Define. 
* config/cpu/arm/cxxabi_tweaks.h (__cxa_cdtor_return_type):
	Define.
	* config/cpu/generic/cxxabi_tweaks.h (__cxa_cdtor_return_type):
	Define.
	* libsupc++/cxxabi.h (__cxa_cdtor_return_type): New type.
	(__cxa_vec_new): Use it.
	(__cxa_vec_new2): Likewise.
	(__cxa_vec_new3): Likewise.
	(__cxa_vec_cdtor): Likewise.
	(__cxa_vec_cctor): Likeiwse.
	(__cxa_vec_dtor): Likewise.
	(__cxa_vec_cleanup): Likewise.
	(__cxa_vec_delete2): Likewise.
	(__cxa_vec_delete3): Likewise.
	* libsupc++/vec.cc (__cxa_vec_new): Likewise.
	(__cxa_vec_new2): Likewise.
	(__cxa_vec_new3): Likewise.
	(__cxa_vec_cdtor): Likewise.
	(__cxa_vec_cctor): Likeiwse.
	(__cxa_vec_dtor): Likewise.
	(__cxa_vec_cleanup): Likewise.
	(__cxa_vec_delete2): Likewise.
	(__cxa_vec_delete3): Likewise.
	(__aeabi_vec_ctor_nocookie_nodtor): New function.
	(__aeabi_vec_ctor_cookie_nodtor): Likewise.
	(__aeabi_vec_cctor_nocookie_nodtor): Likewise.
	(__aeabi_vec_new_cookie_noctor): Likewise.
	(__aeabi_vec_new_nocookie): Likewise.
	(__aeabi_vec_new_cookie_nodtor): Likewise.
	(__aeabi_vec_new_cookie): Likewise.
	(__aeabi_vec_dtor): Likewise.
	(__aeabi_vec_dtor_cookie): Likewise.
	(__aeabi_vec_delete): Likewise.
	(__aeabi_vec_delete3): Likewise.
	(__aeabi_vec_delete3_nodtor): Likewise.
	(__aeabi_atexit): Likewise.

	* testsuite/g++.old-deja/g++.abi/cxa_vec.C: Adjust for ARM
	EABI.

From-SVN: r87585
 2004-09-16 03:41:19 +00:00
Paul Brook 47bedfb079 cxxabi_tweaks.h: Define __cxa_vec_ctor_return and _GLIBCXX_CXA_VEC_CTOR_RETURN. 
* config/cpu/arm/cxxabi_tweaks.h: Define __cxa_vec_ctor_return and
	_GLIBCXX_CXA_VEC_CTOR_RETURN.
	* config/cpu/generic/cxxabi_tweaks.h: Ditto.
	* libsupc++/cxxabi.h (__cxa_vec_ctor, __cxa_vec_cctor): Use
	__cxa_vec_ctor_return.
	* libsupc++/vec.cc (__cxa_vec_ctor, __cxa_vec_cctor): Ditto.
	Use _GLIBCXX_CXA_VEC_CTOR_RETURN.

	* g++.dg/abi/arm_cxa_vec_1.C: New test.

From-SVN: r85891
 2004-08-12 18:50:38 +00:00
Jason Merrill d4794d1a61 fix typo 
From-SVN: r85575
 2004-08-04 17:13:16 -04:00
Paul Brook a7e4cdca85 cxxabi_tweaks.h: New file. 
* config/cpu/arm/cxxabi_tweaks.h: New file.
	* config/cpu/generic/cxxabi_tweaks.h: New file.

From-SVN: r84035
 2004-07-02 23:58:41 +00:00
Benjamin Kosnik 85ab9d2311 re PR libstdc++/7926 (i486 instructions in header files make c++ programs crash on i386) 
2002-11-01  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/7926
	* configure.target: Simplify.
	* config/cpu/i386/atomicity.h: Remove.
	* config/cpu/i386: Remove.
	* config/cpu/arm/atomicity.h: Remove.
	* config/cpu/arm: Remove.
	* config/cpu/x86-64/atomicity.h: Remove.
	* config/cpu/x86-64: Remove.

From-SVN: r58735
 2002-11-02 01:42:22 +00:00
Richard Earnshaw bfc1eae300 re PR libstdc++/3584 (arm-specific atomic operations not atomic) 
PR libstdc++/3584
* config/cpu/arm/atomicity.h (__exchange_and_add): Don't try to use
ASM sequences that don't give us atomic addition operations.  Instead
just add a comment explaining why it doesn't work.
(__atomic_add): Just use __exchange_and_add.
(__test_and_set, __always_swap): Delete.

From-SVN: r57778
 2002-10-03 15:58:29 +00:00
Benjamin Kosnik ca017eef3a Makefile.am (target_headers): Remove cpu_limits.h. 
2002-09-25  Benjamin Kosnik  <bkoz@redhat.com>

	* include/Makefile.am (target_headers): Remove cpu_limits.h.
	* include/Makefile.in: Regenerate.
	* configure.in (CPU_LIMITS_INC_SRCDIR): Remove
	* configure: Regenerate.
	* configure.target (CPULIMITS): Remove.

	* include/std/std_limits.h: Remove cpu_limits.h include.

	* config/os/solaris/solaris2.7/os_defines.h (__glibcpp_long_bits):
	Remove.
	* config/os/irix/irix6.5/os_defines.h
	(__glibcpp_long_double_bits): Remove.
	(__glibcpp_wchar_t_bits): Remove.
	(__glibcpp_long_bits): Remove.
	* config/os/irix/irix5.2/os_defines.h
	(__glibcpp_long_double_bits): Remove.
	(__glibcpp_long_bits): Remove.
	* config/os/hpux/os_defines.h (__glibcpp_wchar_t_is_signed): Remove.
	* config/os/bsd/freebsd/os_defines.h:
	(__glibcpp_long_double_bits): Remove.
	* config/os/aix/os_defines.h (__glibcpp_wchar_t_bits): Remove.
	(__glibcpp_wchar_t_is_signed): Remove.
	(__glibcpp_long_bits): Remove.
	* config/os/gnu-linux/os_defines.h (__glibcpp_long_bits): Remove.
	(__glibcpp_long_double_bits): Remove.

	* config/os/osf/osf5.0/cpu_limits.h: Remove.
	* config/cpu/alpha/cpu_limits.h: Remove.
	* config/cpu/arm/cpu_limits.h: Remove.
	* config/cpu/cris/cpu_limits.h: Remove.
	* config/cpu/generic/cpu_limits.h: Remove.
	* config/cpu/generic/limits.h: Remove.
	* config/cpu/ia64/cpu_limits.h: Remove.
	* config/cpu/m68k/cpu_limits.h: Remove.
	* config/cpu/mmix/cpu_limits.h: Remove.
	* config/cpu/powerpc/cpu_limits.h: Remove.
	* config/cpu/S390/cpu_limits.h: Remove.

From-SVN: r57524
 2002-09-26 05:25:14 +00:00
Richard Earnshaw 25cf83980b cpu_limits.h: New file. 
* config/cpu/arm/cpu_limits.h: New file.
* configure.target: Use config/cpu/arm for XScale and StrongARM
configurations.

From-SVN: r56653
 2002-08-29 09:14:27 +00:00
Phil Edwards d32e25dffa *: Move header files up a level. 
2002-06-24  Phil Edwards  <pme@gcc.gnu.org>

	* config/cpu/*/bits/*:  Move header files up a level.  Remove bits.
	* config/os/*/bits/*:  Likewise.
	* configure.in:  Update.
	* configure:  Regenerate.
	* configure.target:  Update.
	* docs/html/17_intro/porting.texi:  Update.

From-SVN: r54943
 2002-06-24 05:50:58 +00:00
Phil Edwards 744ee8b72b atomicity.h (__compare_and_swap): Remove unused function. 
2001-10-05  Phil Edwards  <pme@gcc.gnu.org>

	* config/cpu/alpha/bits/atomicity.h (__compare_and_swap):  Remove
	unused function.
	* config/cpu/arm/bits/atomicity.h:  Likewise.
	* config/cpu/generic/bits/atomicity.h:  Likewise.
	* config/cpu/i486/bits/atomicity.h:  Likewise.
	* config/cpu/ia64/bits/atomicity.h:  Likewise.
	* config/cpu/mips/bits/atomicity.h:  Likewise.
	* config/cpu/powerpc/bits/atomicity.h:  Likewise.
	* config/cpu/sparc/sparc32/bits/atomicity.h:  Likewise.
	* config/cpu/sparc/sparc64/bits/atomicity.h:  Likewise.

From-SVN: r46038
 2001-10-05 18:43:43 +00:00
Benjamin Kosnik a29456b524 Correct license. 
2001-02-27  Benjamin Kosnik  <bkoz@redhat.com>

	Correct license.
	* config/cpu/alpha/bits/atomicity.h: Change.
	* config/cpu/arm/bits/atomicity.h
	* config/cpu/generic/bits/atomicity.h
	* config/cpu/i386/bits/atomicity.h
	* config/cpu/i486/bits/atomicity.h
	* config/cpu/ia64/bits/atomicity.h
	* config/cpu/powerpc/bits/atomicity.h
	* config/cpu/sparc/sparc32/bits/atomicity.h
	* config/cpu/sparc/sparc64/bits/atomicity.h
	* config/os/aix/bits/atomicity.h
	* config/os/irix/bits/atomicity.h

From-SVN: r40103
 2001-02-28 00:14:16 +00:00
Richard Earnshaw 529dec15d8 atomicity.h: Add support for compiling Thumb code. 
* config/cpu/arm/bits/atomicity.h: Add support for compiling Thumb
code.

From-SVN: r38033
 2000-12-05 10:36:33 +00:00
Franz Sirl 79f41ea419 atomicity.h (__exchange_and_add): Silence preprocessor multi-line string warnings. 
2000-11-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
	* config/cpu/powerpc/bits/atomicity.h (__exchange_and_add): Silence
	preprocessor multi-line string warnings.
	(__atomic_add): Likewise.
	(__compare_and_swap): Likewise.
	(__always_swap): Likewise.
	(__test_and_set): Likewise.
	* config/cpu/arm/bits/atomicity.h (__exchange_and_add): Likewise.
	(__atomic_add): Likewise.
	(__compare_and_swap): Likewise.
	(__always_swap): Likewise.
	(__test_and_set): Likewise.

From-SVN: r37831
 2000-11-28 22:28:49 +00:00
Franz Sirl 079c384ce3 atomicity.h (__exchange_and_add): Add __volatile__ to asm. 
2000-11-27  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
	* config/cpu/arm/bits/atomicity.h (__exchange_and_add): Add
	__volatile__ to asm.
	(__atomic_add): Likewise.
	(__compare_and_swap): Likewise.
	(__always_swap): Likewise.
	(__test_and_set): Likewise.

From-SVN: r37805
 2000-11-27 20:07:17 +00:00
Benjamin Kosnik 7e0ec38b14 atomicity.h: Change __attribute__ ((unused)) to __attribute__ ((__unused__)). 
2000-08-22  Richard B. Kreckel  <Richard.Kreckel@Uni-Mainz.DE>

	* config/cpu/alpha/bits/atomicity.h: Change __attribute__
	((unused)) to __attribute__ ((__unused__)).
	* config/cpu/arm/bits/atomicity.h: Same.
	* config/cpu/generic/bits/atomicity.h: Same.
	* config/cpu/i386/bits/atomicity.h: Same.
	* config/cpu/i486/bits/atomicity.h: Same.
	* config/cpu/powerpc/bits/atomicity.h: Same.
	* config/cpu/sparc/sparc32/bits/atomicity.h: Same.
	* config/cpu/sparc/sparc64/bits/atomicity.h: Same.

From-SVN: r35882
 2000-08-22 18:24:16 +00:00
Nathan Myers f17d6c73de cpu: Atomicity cleanups. 
2000-04-24  Nathan Myers  <ncm@cantrip.org>

	* config/cpu: Atomicity cleanups.
	* config/cpu/alpha/bits: New directory.
	* config/cpu/arm/bits: New directory.
	* config/cpu/generic/bits: New directory.
	* config/cpu/i386/bits: New directory.
	* config/cpu/powerpc/bits: New directory.
	* config/cpu/sparc/sparc32/bits: New directory.
	* config/cpu/sparc/sparc32/bits: New directory.
	* config/cpu/*/bits: Move atomicity.h files to here.

From-SVN: r33438
 2000-04-26 02:51:12 +00:00
Benjamin Kosnik b2dad0e372 libstdc++-v3: New directory. 
2000-04-21  Benjamin Kosnik  <bkoz@redhat.com>

	* libstdc++-v3: New directory.

From-SVN: r33317
 2000-04-21 20:33:34 +00:00