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88 Commits

Author SHA1 Message Date
Paolo Carlini
4b90c838d2 re PR libstdc++/22203 (std::numeric_limits<int>::traps is wrong on PPC) 
2005-11-05  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/22203
	* include/bits/c++config: Include cpu_defines.h.
	* include/Makefile.am: Add cpu_defines.h to host_headers.
	* configure.host: Add cpu_defines_dir.
	* configure.ac: Use it.
	* config/cpu/powerpc/cpu_defines.h: New.
	* config/cpu/generic/cpu_defines.h: Likewise.
	* configure: Regenerate.
	* Makefile.in: Likewise.
	* include/Makefile.in: Likewise.
	* libmath/Makefile.in: Likewise.
	* libsupc++/Makefile.in: Likewise.
	* po/Makefile.in: Likewise.
	* src/Makefile.in: Likewise.	
	* testsuite/Makefile.in: Likewise.

From-SVN: r106524
 2005-11-05 09:42:01 +00:00
J"orn Rennecke
e27ce37987 atomicity.h: Replace broken generic code with current copy of generic/atomicity.h . 
* config/cpu/sh/atomicity.h: Replace broken generic code with current
	copy of generic/atomicity.h .

From-SVN: r103274
 2005-08-19 12:50:21 +01:00
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
Adrian Straetling
e0374221d9 s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants. 
2005-06-07  Adrian Straetling  <straetling@de.ibm.com>

gcc/ChangeLog:
	* config/s390/s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants.
	("type"): Add "sem" to 'type' attribute.
	("memory_barrier", "*memory_barrier", "sync_compare_and_swapdi",
	"sync_compare_and_swapsi", "sync_compare_and_swap_ccdi",
	"sync_compare_and_swap_ccsi", "*sync_compare_and_swap_ccdi",
	"*sync_compare_and_swap_ccsi"): New patterns.
	* config/s390/2064.md: ("z_sem"): New insn_reservation.
	* config/s390/2084.md: ("x_sem"): New insn_reservation.
	* config/s390/s390.c: (s390_compare_emitted): New global variable.
	(s390_emit_compare): Do not emit comparison again after cas.
	* config/s390/s390.h (s390_compare_emitted): Declare.

libstdc++/ChangeLog:
	* config/cpu/s390/atomicity.h: (__exchange_and_add,
	__atomic_add): Use the builtins for atomic memory operations.

From-SVN: r100711
 2005-06-07 16:35:27 +00:00
Paolo Carlini
5bf6892e61 atomicity.h: Use the builtins for atomic memory operations. 
2005-05-25  Paolo Carlini  <pcarlini@suse.de>

	* config/cpu/alpha/atomicity.h: Use the builtins for
	atomic memory operations.
	* config/cpu/powerpc/atomicity.h: Likewise.
	* config/cpu/ia64/atomicity.h: Do not include ia64intrin.h.

From-SVN: r100139
 2005-05-25 09:25:25 +00:00
Ulrich Weigand
8270a21775 atomicity.h (__exchange_and_add): Add "memory" clobber to inline assembly statement. 
* config/cpu/s390/atomicity.h (__exchange_and_add): Add "memory"
	clobber to inline assembly statement.

From-SVN: r97728
 2005-04-06 16:54:26 +00:00
Hans-Peter Nilsson
b98c9bf289 re PR target/19065 (Make CRIS libstdc++ asms autoincrement-safe) 
PR target/19065
	* config/cpu/cris/atomicity.h (__exchange_and_add): In asm, use
	'Q' constraint, not 'm'.

From-SVN: r95648
 2005-02-28 02:33:39 +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
John David Anglin
dd8b67a1a8 atomicity.h (__exchange_and_add, [...]): Add memory barrier to locking asm. 
* cpu/hppa/atomicity.h (__exchange_and_add, __atomic_add): Add memory
	barrier to locking asm.

From-SVN: r86328
 2004-08-20 16:08:49 +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
Alexandre Oliva
312209c6a5 Introduce sh4a support. 
gcc/ChangeLog:
Introduce sh4a support.
* config.gcc: Handle sh4a multilibs and cpu selection.
* config/sh/sh.h: Likewise.  Handle sh4a command line flags.
* config/sh/t-mlib-sh4a: New.
* config/sh/t-mlib-sh4al: New.
* config/sh/t-mlib-sh4a-nofpu: New.
* config/sh/t-mlib-sh4a-single: New.
* config/sh/t-mlib-sh4a-single-only: New.
2004-02-20  DJ Delorie  <dj@redhat.com>
* config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
* config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
2003-08-22  Eric Christopher  <echristo@redhat.com>
* config/sh/sh4a.md: Update for chip errata.
2003-08-07  Eric Christopher  <echristo@redhat.com>
* config/sh/sh4a.md: New file. sh4a processor description.
2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
of -m4a-nofpu.
(SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
* config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
* doc/invoke.texi (SH Options): Document -m4al.
2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (expand_block_move): Remove commented-out code
checked in by mistake.
(sh_cannot_change_mode_class): Enable SUBREGs to be used to select
single elements from SFmode vectors.
* config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
register.
(sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): Remove variable declarations.
* config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): New functions.
(sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
sh_fsca_int2sf_rtx): New static variables.
* config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): Declare.
* config/sh/sh.md: Adjust.
* doc/invoke.texi (SH Options): Document new options.
* config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
compatibility from SH4 code.
2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (expand_block_move): Don't emit POST_INC too
early.
(memory_movsrc_operand): Renamed to...
(unaligned_load_operand): ... this.  Simplified.
* config/sh/sh.h (PREDICATE_CODES): Adjust.
* config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
input operand to SImode, and adjust the others.  Introduce
post-increment by peephole.
* config/sh/sh.c (expand_block_move): Give the target address the
same mode as the temp reg.
* config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
copying.
2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
Introduce support for SH4a.
* config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
__SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
* config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): New.
(sh_init_builtins): Initialize them.
(print_operand): Support `d'.
(expand_block_move): Use movua if src is misaligned.
(memory_movsrc_operand): New.
* config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
and one of the SH4 macros.
(SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
SELECT_SH4A_SINGLE): New.
(TARGET_NONE): Add SH4A_BIT.
(TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
(SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
(sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
(OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
(enum processor_type): Added PROCESSOR_SH4A.
(PREDICATE_CODES): Add memory_movsrc_operand.
* config/sh/sh.md: Removed unused variables.
(attr cpu): Add sh4a.
(attr type): Add movua, fsrra and fsca.
(prefetch): New, for SH4.
(ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
(toggle_sz): Set type to fp.
(toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
(movua, extv, extzv): New.
* config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
and 4a-single-only.
gcc/testsuite/ChangeLog:
2003-07-06  Alexandre Oliva  <aoliva@redhat.com>
* gcc.dg/sh4a-memmovua.c: Tweak regular expression.
2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
* gcc.dg/sh4a-bitmovua.c: New.
* gcc.dg/sh4a-cos.c: New.
* gcc.dg/sh4a-cosf.c: New.
* gcc.dg/sh4a-fprun.c: New.
* gcc.dg/sh4a-fsrra.c: New.
* gcc.dg/sh4a-memmovua.c: New.
* gcc.dg/sh4a-sin.c: New.
* gcc.dg/sh4a-sincos.c: New.
* gcc.dg/sh4a-sincosf.c: New.
* gcc.dg/sh4a-sinf.c: New.
libstdc++-v3/ChangeLog:
2003-10-01  Eric Christopher  <echristo@redhat.com>
* config/cpu/sh/atomicity.h (__exchange_and_add): Remove 'm'
constraint.
2003-07-09  Alexandre Oliva  <aoliva@redhat.com>
* config/cpu/sh/atomicity.h: New.  Use movli and movco on SH4a.

From-SVN: r85257
 2004-07-28 09:13:58 +00:00
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
Hans-Peter Nilsson
fea41ef911 atomicity.h (__atomic_add): Remove "static inline" and attribute-unused. 
* config/cpu/cris/atomicity.h (__atomic_add): Remove "static
	inline" and attribute-unused.  Qualify parameter __mem with
	"volatile".
	(__exchange_and_add): Ditto.  Add back memory clobber to asm.

From-SVN: r79804
 2004-03-22 01:37:04 +00:00
Michael Eager
1b1a632b4d atomicity.h: Prevent reg loads between LL and SC instructions. 
2004-03-19  Michael Eager  <eager@mvista.com>

	* config/cpu/mips/atomicity.h:  Prevent reg loads between LL and
	SC instructions.

From-SVN: r79711
 2004-03-19 23:12:10 +00:00
Benjamin Kosnik
f83295bafc re PR libstdc++/12658 (Thread safety problems in locale::global() and locale::locale()) 
2004-03-06  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/12658
	* src/locale_init.cc (locale::locale): Lock critical regions with
	external mutexes.
	(locale::global): Same.
	* include/bits/concurrence.h (__glibcxx_mutex_define_initialized):
	Add in once bits for cases without __GTHREAD_MUTEX_INIT.
	(__glibcxx_mutex_lock): Same.

	* config/cpu/generic/atomicity.h: Remove
	_GLIBCXX_NEED_GENERIC_MUTEX, use concurrence.h.
	* src/misc-inst.cc: Move all locking bits out of this file.

	* config/os/hpux/os_defines.h: Remove _GLIBCXX_INST_ATOMICITY_LOCK.
	* src/misc-inst.cc: Same.
	* config/cpu/hppa/atomicity.h: Same.

	* config/linker-map.gnu: Remove types in the signature of atomic
	exports, as they may vary.

From-SVN: r79043
 2004-03-07 01:32:43 +00:00
John David Anglin
3a1a4ed26e atomicity.h (__atomic_add): Make first argument volatile. 
* config/cpu/hppa/atomicity.h (__atomic_add): Make first argument
	volatile.
	* config/os/hpux/os_defines.h (_GLIBCXX_INST_ATOMICITY_LOCK): Use
	__GXX_WEAK__ instead of _GLIBCXX_SUPPORTS_WEAK.

From-SVN: r78633
 2004-02-28 22:46:32 +00:00
Benjamin Kosnik
00d04db682 atomicity.h: Include c++config.h to get defines. 
2004-02-27  Benjamin Kosnik  <bkoz@redhat.com>

	* config/cpu/hppa/atomicity.h: Include c++config.h to get defines.

	* src/misc-inst.cc (_S_atomicity_lock): Move to __gnu_cxx.

	* config/os/irix/irix5.2/atomicity.h: Merge..
	* config/os/irix/irix6.5/atomicity.h: Merge..
	* config/os/irix/atomicity.h: ...into this.
	* config/os/irix/atomic_word.h: New.
	* configure.host: Set atomic_word_dir for irix.

	* hppa/atomicity.h: Change __Atomicity_lock to _Atomicity_lock.
	* i386/atomicity.h: Same.
	* m68k/atomicity.h: Same.
	* sparc/atomicity.h: Same.

From-SVN: r78577
 2004-02-27 20:56:46 +00:00
Benjamin Kosnik
2c5d0ae842 atomicity.h: New, forward declarations for __atomic_add and __exchange_and_add. 
2004-02-25  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/atomicity.h: New, forward declarations for __atomic_add
	and __exchange_and_add.
	* config/cpu/generic/atomic_word.h: New, typdef for atomic word.
	* config/cpu/cris/atomic_word.h: Same.
	* config/cpu/sparc/atomic_word.h: Same.
	* include/bits/ios_base.h (_Callback_list::_M_remove_reference):
	Qualifiy with __gnu_cxx.
	(_Callback_list::_M_add_reference): Same.
	* include/bits/locale_classes.h (locale::facet::_M_add_reference): Add.
	(locale::facet::_M_remove_reference): Same.
	(locale::_Impl::_M_add_reference): Add.
	(locale::_Impl::_M_remove_reference): Same.
	* include/bits/basic_string.h (basic_string::_Rep::_M_refcopy): Same.
	(basic_string::_Rep::_M_dispose): Same.
	* src/ios.cc (ios_base::xalloc): Same.
	* src/ios_init.cc (ios_base::Init::Init): Same.
	(ios_base::Init::~Init): Same.
	* src/locale.cc (locale:🆔:_M_id): Same.
	* config/cpu/i486/atomicity.h: Use __gnu_cxx namespace. Remove
	static, and inline keyworks.
	* config/cpu/alpha/atomicity.h: Same.
	* config/cpu/cris/atomicity.h: Same.
	* config/cpu/generic/atomicity.h: Same.
	* config/cpu/hppa/atomicity.h: Same.
	* config/cpu/i386/atomicity.h: Same.
	* config/cpu/ia64/atomicity.h: Same.
	* config/cpu/m68k/atomicity.h: Same.
	* config/cpu/mips/atomicity.h: Same.
	* config/cpu/powerpc/atomicity.h: Same.
	* config/cpu/s390/atomicity.h: Same.
	* config/cpu/sparc/atomicity.h: Same.

	* src/Makefile.am (host_sources): Add atomicity.cc.
	(atomicity.cc): New rule.
	* src/Makefile.in: Regenerate.
	* include/Makefile.am (host_headers): Remove host atomicity.h.
	(host_headers): Add atomic_word.h.
	(bits_headers): Add bits atomicity.h.
	Change ATOMICITY_INC_SRCDIR to ATOMICITY_SRCDIR.
	* include/Makefile.in: Regenerate.
	* configure.host (atomic_word_dir): Add.
	* configure.ac: Substitute ATOMIC_WORD_SRCDIR. Change
	ATOMICITY_INC_SRCDIR to ATOMICITY_SRCDIR.
	* configure: Regenerate.
	* config/linker-map.gnu: Export __exchange_and_add, and __atomic_add.

	* testsuite/27_io/ios_base/cons/assign_neg.cc: Adjust line numbers.
	* testsuite/27_io/ios_base/cons/copy_neg.cc: Same.

From-SVN: r78544
 2004-02-27 00:49:50 +00:00
Andrew Pinski
be88628621 atomicity.h (__exchange_and_add): Fix output constraint. 
* config/cpu/i386/atomicity.h (__exchange_and_add): Fix output
        constraint.

From-SVN: r75017
 2003-12-24 20:27:58 -08:00
Andrew Pinski
a51c409779 re PR libstdc++/13480 (bits/atomicity.h:56: warning: read-write constraint does not allow a register) 
2003-12-24  Andrew Pinski  <pinskia@physics.uc.edu>

        PR libstdc++/13480
        * config/cpu/i486/atomicity.h: Split up read-write memory operand.

From-SVN: r75016
 2003-12-24 18:04:06 -08:00
Jason Merrill
778e99e55f fix thinko 
From-SVN: r74889
 2003-12-20 12:44:11 -05:00
Jason Merrill
46eb4b3989 atomicity.h: Remove memory clobbers. 
* config/cpu/cris/atomicity.h: Remove memory clobbers.
        * config/cpu/mips/atomicity.h: Likewise.
        * config/cpu/i486/atomicity.h: Remove memory clobbers.
        Split up read-write memory operand.
        * config/cpu/m68k/atomicity.h: Likewise.
        * config/cpu/powerpc/atomicity.h: Make memory I/O explicit.
        * config/cpu/s390/atomicity.h: Likewise.
        * config/cpu/sparc/atomicity.h: Likewise.

From-SVN: r74870
 2003-12-19 22:08:42 -05:00
Benjamin Kosnik
5ec3f5662c linker-map.gnu: Remove private ios_base members from export list. 
2003-12-09  Benjamin Kosnik  <bkoz@redhat.com>

        * config/linker-map.gnu: Remove private ios_base members from
        export list.

        * config/cpu/alpha/atomicity.h: Consistently format.
        * config/cpu/cris/atomicity.h: Same.
        * config/cpu/generic/atomicity.h: Same.
        * config/cpu/hppa/atomicity.h: Same.
        * config/cpu/i386/atomicity.h: Same.
        * config/cpu/i486/atomicity.h: Same.
        * config/cpu/ia64/atomicity.h: Same.
        * config/cpu/m68k/atomicity.h: Same.
        * config/cpu/mips/atomicity.h: Same.
        * config/cpu/powerpc/atomicity.h: Same.
        * config/cpu/s390/atomicity.h: Same.
        * config/cpu/sparc/atomicity.h: Same.

From-SVN: r74486
 2003-12-10 04:52:37 +00:00
David S. Miller
09755a8512 re PR libstdc++/12496 (wrong result for __atomic_add(&value, -1) when using -O0 -m64) 
2003-12-08  David S. Miller  <davem@redhat.com>

	PR libstdc++/12496
	* config/cpu/sparc/atomicity.h (__exchange_and_add, __atomic_add):
	Extend increment to _Atomic_word before giving to assembler.

From-SVN: r74409
 2003-12-08 02:01:01 -08:00
Rainer Orth
27d54b2a6c ffi.c: Use _ABIN32, _ABIO32 instead of external _MIPS_SIM_NABI32, _MIPS_SIM_ABI32. 
libffi:
	* src/mips/ffi.c: Use _ABIN32, _ABIO32 instead of external
	_MIPS_SIM_NABI32, _MIPS_SIM_ABI32.

	libstdc++-v3:
	* config/cpu/mips/atomicity.h (__atomic_add): Use _ABIO32 instead
	of external _MIPS_SIM_ABI32.

	boehm-gc:
	* mips_sgi_mach_dep.s: Use _ABIO32 instead of external
	_MIPS_SIM_ABI32.

	gcc:
	* config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Define _ABIO32.
	Use it in _MIPS_SIM definition.
	* config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Likewise.

From-SVN: r72713
 2003-10-20 18:37:22 +00:00
Bernardo Innocenti
068c84e3b5 atomicity.h (__exchange_and_add): Use TAS on __mcf5400__. 
* config/cpu/m68k/atomicity.h (__exchange_and_add): Use TAS on
	__mcf5400__. Don't rely on __mc68000__ to detect a bare 68000.
	Document SMP safeness of asm macros.

From-SVN: r72570
 2003-10-16 21:47:45 +02:00
Bernardo Innocenti
1c64ab6172 re PR libstdc++/11784 (atomic __exchange_and_add() broken for ColdFire and 68000 targets.) 
2003-08-07  Bernardo Innocenti  <bernie@develer.com>

	PR libstdc++/11784
	* libstdc++-v3/config/cpu/m68k/atomicity.h (__exchange_and_add):
	Replace variants with new BSET-based version.

[[Split portion of a mixed commit.]]

From-SVN: r70231.2
 2003-08-07 20:58:04 +00:00
Bernardo Innocenti
4e9ebd4bc8 re PR libstdc++/11784 (atomic __exchange_and_add() broken for ColdFire and 68000 targets.) 
2003-08-07  Bernardo Innocenti  <bernie@develer.com>

	PR libstdc++/11784
	* libstdc++-v3/config/cpu/m68k/atomicity.h (__exchange_and_add):
	Replace variants with new BSET-based version.

From-SVN: r70230
 2003-08-07 20:53:57 +00:00
Steve Ellcey
ff89cb01b7 atomicity.h: Change _GLIBCXX_INST_GLIBCXX_ATOMICITY_LOCK to _GLIBCXX_INST_ATOMICITY_LOCK to... 
* config/cpu/hppa/atomicity.h: Change
	_GLIBCXX_INST_GLIBCXX_ATOMICITY_LOCK to _GLIBCXX_INST_ATOMICITY_LOCK
	to match misc-inst.cc

From-SVN: r69720
 2003-07-23 21:17:43 +00:00
Benjamin Kosnik
3d7c150e3f Move from CPP to CXX. 
2003-07-04  Benjamin Kosnik  <bkoz@redhat.com>

	Move from CPP to CXX.
	* include/bits/c++config: Move to GLIBCXX from GLIBCPP.
	* testsuite/Makefile.am: Same.
	* testsuite/Makefile.in: Regenerate.
	* po/Makefile.am: Same.
	* po/Makefile.in: Regenerate.
	* libsupc++/Makefile.am: Same.
	* libsupc++/Makefile.in: Regenerate.
	* libmath/Makefile.am: Same.
	* libmath/Makefile.in: Regenerate.
	* include/Makefile.am: Same.
	* include/Makefile.in: Regenerate.
	* src/Makefile.am: Same.
	* src/Makefile.in: Regenerate.
	* acconfig.h: Same.
	* configure.host: Same.
	* configure.in: Same.
	* configure: Regenerate.
	* acinclude.m4: Same.
	* aclocal.m4: Same.
	* src: Change all files in this directory.
	* testsuite: Same.
	* include: Same, standardize include guards.
	* config: Same.
	* libsupc++: Same.

From-SVN: r68958
 2003-07-05 04:05:45 +00:00
Andrew Pinski
159ca3a3a4 re PR libstdc++/9815 (atomicity.h - fails to compile with -O3 -masm=intel) 
2003-06-02  Andrew Pinski  <pinskia@physics.uc.edu>

	PR libstdc++/9815
	* config/cpu/i386/atomicity.h (__exchange_and_add): add intel
	asm case to asm.
	* config/cpu/i486/atomicity.h (__exchange_and_add): Likewise.
	(__atomic_add): likewise.

From-SVN: r67343
 2003-06-02 18:38:32 +00:00
Richard Kreckel
cc9c608f08 re PR libstdc++/11062 (Please avoid __attribute__ ((unused))) 
2003-06-02  Richard Kreckel  <Richard.Kreckel@GiNaC.DE>

	PR libstdc++/11062
	* config/cpu/mips/atomicity.h:  Change __attribute__ ((unused)) to
	__attribute__ ((__unused__)).
	* config/os/aix/atomicity.h:  Likewise.

From-SVN: r67340
 2003-06-02 18:03:23 +00:00
Joel Sherrill
51dc3d74f8 atomicity.h: New file. 
2003-04-29 Joel Sherrill  <joel.sherrill@OARcorp.com>
	   Loren J. Rittle <ljrittle@acm.org>
	   Martin v. Loewis  <martin@v.loewis.de>

	* config/cpu/i386/atomicity.h: New file.

Co-Authored-By: Loren J. Rittle <ljrittle@acm.org>
Co-Authored-By: Martin v. Loewis <martin@v.loewis.de>

From-SVN: r66261
 2003-04-29 21:57:39 +00:00
Alexandre Oliva
951312c819 atomicity.h (__exchange_and_add, [...]): Only .set mips2 for the o32 ABI. 
* config/cpu/mips/atomicity.h (__exchange_and_add, __atomic_add):
Only .set mips2 for the o32 ABI.

From-SVN: r64604
 2003-03-20 02:30:42 +00:00
Phil Edwards
8d55a4aa3b atomicity.h (_Atomic_add_mutex): Fix declaration. 
2003-02-12  Phil Edwards  <pme@gcc.gnu.org>

	* config/cpu/generic/atomicity.h (_Atomic_add_mutex):  Fix declaration.
	(_GLIBCPP_NEED_GENERIC_MUTEX):  Define for this file.
	(_Atomic_add_mutex_once, __gthread_atomic_add_mutex_once):  Declare
	when we don't have static mutex initialization.
	(__exchange_and_add):  Use _Atomic_add_mutex_once.
	* src/misc-inst.cc:  Definitions of all the above.

From-SVN: r62818
 2003-02-13 04:02:20 +00:00
John David Anglin
5053bdf834 atomicity.h (__Atomicity_lock<__inst>::_S_atomicity_lock): Correct alignment. 
* hppa/atomicity.h (__Atomicity_lock<__inst>::_S_atomicity_lock):
	Correct alignment.
	(__exchange_and_add, __atomic_add): Use PA 2.0 ordered store to reset
	lock.

From-SVN: r62593
 2003-02-09 03:23:13 +00:00
Jason Merrill
e55393db34 atomicity.h (__exchange_and_add, [...]): *__mem is also an output. 
* config/cpu/i486/atomicity.h (__exchange_and_add, __atomic_add):
        *__mem is also an output.
        * config/cpu/m68k/atomicity.h (__exchange_and_add): Likewise.

From-SVN: r60807
 2003-01-02 17:48:21 -05:00
Phil Edwards
7069c22117 atomicity.h: Provide atomic __exchange_and_add and __atomic_add. 
2002-11-07  Phil Edwards  <pme@gcc.gnu.org>
            Richard Earnshaw  <rearnsha@arm.com>

	* config/cpu/generic/atomicity.h:  Provide atomic __exchange_and_add
	and __atomic_add.

Co-Authored-By: Richard Earnshaw <rearnsha@arm.com>

From-SVN: r58929
 2002-11-08 19:24:41 +00:00
John David Anglin
fa3d9f57b0 os_defines.h (_GLIBCPP_INST_ATOMICITY_LOCK): Define. 
* config/os/hpux/os_defines.h (_GLIBCPP_INST_ATOMICITY_LOCK): Define.
	* src/misc-inst.cc (std): Instantiate atomicity lock when
	_GLIBCPP_INST_ATOMICITY_LOCK is defined.
	* config/cpu/hppa/atomicity.h: New file.

From-SVN: r58831
 2002-11-05 19:17:37 +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
Jakub Jelinek
750db234b1 configure.target: Use cpu_include_dir="config/cpu/sparc" for all sparc targets. 
* configure.target: Use cpu_include_dir="config/cpu/sparc" for all
	sparc targets.
	* config/cpu/sparc/bits/atomicity.h: New file.
	* config/cpu/sparc/sparc32/bits/atomicity.h: Removed.
	* config/cpu/sparc/sparc64/bits/atomicity.h: Removed.

[[Split portion of a mixed commit.]]

From-SVN: r56897.2
 2002-09-06 20:32:08 +02:00
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
Alan Modra
bd11db39e8 cpu_limits.h (__glibcpp_long_bits): Define. 
* config/cpu/powerpc/cpu_limits.h (__glibcpp_long_bits): Define.
	* configure.target (cpu_include_dir): Use cpu/powerpc for powerpc64.
	* config/cpu/powerpc/atomicity.h (__always_swap): Remove.
	(__test_and_set): Remove.
	(_STWCX): Define and use.

From-SVN: r55854
 2002-07-30 08:56:00 +09:30
Eric Christopher
17640f249b configure.target: Fix comment for mips atomicity. 
2002-07-08  Eric Christopher  <echristo@redhat.com>

	* configure.target: Fix comment for mips atomicity. Add
	mips*-*-linux* target, enable atomic operations there.
	* config/cpu/mips/atomicity.h: Fix comments, remove
	#ifndef/#endif. Add push/pop mips2.

From-SVN: r55331
 2002-07-08 19:41:57 +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
Marc Espie
04df515ada atomicity.h (__exchange_and_add): Fix inline assembly for old assemblers. 
* config/cpu/m68k/bits/atomicity.h(__exchange_and_add):  Fix inline
	assembly for old assemblers.

From-SVN: r54202
 2002-06-03 05:26:00 +00:00