compiler: reject integer division by zero constant.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200436 138bc75d-0d04-0410-961f-82ee72b054a4
2013-06-25  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/23_containers/map/modifiers/erase/abi_tag.cc: Avoid
	spurious fails with check-debug.
	* testsuite/23_containers/multimap/modifiers/erase/abi_tag.cc:
	Likewise.
	* testsuite/23_containers/set/modifiers/erase/abi_tag.cc: Likewise.
	* testsuite/23_containers/multiset/modifiers/erase/abi_tag.cc:
	Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200438 138bc75d-0d04-0410-961f-82ee72b054a4
compiler: disallow fallthrough in last case of switch.

In spec: A "fallthrough" statement may appear as the last
statement of all but the last clause of an expression switch.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200440 138bc75d-0d04-0410-961f-82ee72b054a4
2013-06-16  David Holsgrove <david.holsgrove@xilinx.com>

	Add sync_compare_and_swapsi and sync_test_and_setsi.

	* gcc/config/microblaze/sync.md: New file.
	* gcc/config/microblaze/microblaze.md: Add UNSPEC_SYNC_CAS,
	UNSPEC_SYNC_XCHG and include sync.md.
	* gcc/config/microblaze/microblaze.c: Add print_operand 'y'.
	* gcc/config/microblaze/constraints.md: Add memory_contraint
	'Q' which is a single register.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200443 138bc75d-0d04-0410-961f-82ee72b054a4
Revert 200443.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200444 138bc75d-0d04-0410-961f-82ee72b054a4
Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200447 138bc75d-0d04-0410-961f-82ee72b054a4
	PR c++/57408
	* semantics.c (add_capture): Set type to error_mark_node after
	error.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200449 138bc75d-0d04-0410-961f-82ee72b054a4
	* typeck2.c (store_init_value): Diagnose a non-constant
	initializer for in-class static.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200450 138bc75d-0d04-0410-961f-82ee72b054a4
	DR 1589
	* g++.dg/cpp0x/initlist72.C: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200451 138bc75d-0d04-0410-961f-82ee72b054a4
2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c: Rename UNSPEC_CCU_TO_INT to
	UNSPEC_STRCMPCC_TO_INT and UNSPEC_CCZ_TO_INT to UNSPEC_CC_TO_INT.
	(struct machine_function): Add tbegin_p.
	(s390_canonicalize_comparison): Fold CC mode compares to
	conditional jump if possible.
	(s390_emit_jump): Return the emitted jump.
	(s390_branch_condition_mask, s390_branch_condition_mnemonic):
	Handle CCRAWmode compares.
	(s390_option_override): Default to -mhtm if available.
	(s390_reg_clobbered_rtx): Handle floating point regs as well.
	(s390_regs_ever_clobbered): Use s390_regs_ever_clobbered also for
	FPRs instead of df_regs_ever_live_p.
	(s390_optimize_nonescaping_tx): New function.
	(s390_init_frame_layout): Extend clobbered_regs array to cover
	FPRs as well.
	(s390_emit_prologue): Call s390_optimize_nonescaping_tx.
	(s390_expand_tbegin): New function.
	(enum s390_builtin): New enum definition.
	(code_for_builtin): New array definition.
	(s390_init_builtins): New function.
	(s390_expand_builtin): New function.
	(TARGET_INIT_BUILTINS): Define.
	(TARGET_EXPAND_BUILTIN): Define.
	* common/config/s390/s390-common.c (processor_flags_table): Add
	PF_TX.
	* config/s390/predicates.md (s390_comparison): Handle CCRAWmode.
	(s390_alc_comparison): Likewise.
	* config/s390/s390-modes.def: Add CCRAWmode.
	* config/s390/s390.h (processor_flags): Add PF_TX.
	(TARGET_CPU_HTM): Define macro.
	(TARGET_HTM): Define macro.
	(TARGET_CPU_CPP_BUILTINS): Define __HTM__ for htm.
	* config/s390/s390.md: Rename UNSPEC_CCU_TO_INT to
	UNSPEC_STRCMPCC_TO_INT and UNSPEC_CCZ_TO_INT to UNSPEC_CC_TO_INT.
	(UNSPECV_TBEGIN, UNSPECV_TBEGINC, UNSPECV_TEND, UNSPECV_TABORT)
	(UNSPECV_ETND, UNSPECV_NTSTG, UNSPECV_PPA): New unspecv enum
	values.
	(TBEGIN_MASK, TBEGINC_MASK): New constants.
	("*cc_to_int"): Move up.
	("*mov<mode>cc", "*cjump_64", "*cjump_31"): Accept integer
	constants other than 0.
	("*ccraw_to_int"): New insn and splitter definition.
	("tbegin", "tbegin_nofloat", "tbegin_retry")
	("tbegin_retry_nofloat", "tbeginc", "tend", "tabort")
	("tx_assist"): New expander.
	("tbegin_1", "tbegin_nofloat_1", "*tbeginc_1", "*tend_1")
	("*tabort_1", "etnd", "ntstg", "*ppa"): New insn definition.
	* config/s390/s390.opt: Add -mhtm option.
	* config/s390/s390-protos.h (s390_emit_jump): Add return type.
	* config/s390/htmxlintrin.h: New file.
	* config/s390/htmintrin.h: New file.
	* config/s390/s390intrin.h: New file.
	* doc/extend.texi: Document htm builtins.
	* config.gcc: Add the new header files to extra_headers.

2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* gcc.target/s390/htm-1.c: New file.
	* gcc.target/s390/htm-nofloat-1.c: New file.
	* gcc.target/s390/htm-xl-intrin-1.c: New file.

2013-06-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/target.h: Include htmintrin.h.
	(_HTM_ITM_RETRIES): New macro definition.
	(htm_available, htm_init, htm_begin, htm_begin_success)
	(htm_commit, htm_abort, htm_abort_should_retry): New functions.




git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200454 138bc75d-0d04-0410-961f-82ee72b054a4
2013-06-27  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/stl_deque.h (deque<>::insert(iterator,
	const value_type&), deque<>::insert(iterator, value_type&&),
	deque<>::emplace(iterator, _Args&&...)): Adjust C++11 signatures to
	take a const_iterator.
	(deque<>::erase): Simplify.
	* include/bits/stl_list.h: Likewise.
	(_List_iterator<>::_M_const_cast): Add.
	* include/bits/stl_vector.h: Likewise.
	* include/bits/stl_bvector.h: Likewise.
	(_Bit_iterator::_M_const_cast): Add.
	* include/bits/deque.tcc: Adjust definitions.
	* include/bits/list.tcc: Likewise.
	* include/bits/vector.tcc: Likewise.
	* include/bits/stl_iterator.h (__normal_iterator<>::_M_const_cast):
	Define trivial version in C++98 mode.
	* include/ext/vstring.h (__versa_string<>::insert(iterator, _CharT),
	__versa_string<>::replace(iterator, iterator, const __versa_string&),
	__versa_string<>::replace(iterator, iterator, const _CharT*,
	size_type), __versa_string<>::replace(iterator, iterator,
	const _CharT*), __versa_string<>::replace(iterator, iterator,
	size_type, _CharT)): Adjust C++11 signatures to take a pair of
	const_iterators.
	* include/debug/deque: Adjust.
	* include/debug/list: Likewise.
	* include/debug/vector: Likewise.
	* include/profile/deque: Likewise.
	* include/profile/list: Likewise.
	* include/profile/vector: Likewise.
	(vector<>::emplace): Add.
	* testsuite/util/exception/safety.h: Update.
	* testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc:
	New.
	* testsuite/23_containers/deque/modifiers/insert/const_iterator.cc:
	Likewise.
	* testsuite/23_containers/list/modifiers/emplace/const_iterator.cc:
	Likewise.
	* testsuite/23_containers/list/modifiers/insert/const_iterator.cc:
	Likewise.
	* testsuite/23_containers/vector/bool/modifiers/insert/
	const_iterator.cc: Likewise.
	* testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc:
	Likewise.
	* testsuite/23_containers/vector/modifiers/insert/const_iterator.cc:
	Likewise.
	* testsuite/ext/vstring/modifiers/insert/char/const_iterator.cc:
	Likewise.
	* testsuite/ext/vstring/modifiers/insert/wchar_t/const_iterator.cc:
	Likewise.
	* testsuite/ext/vstring/modifiers/replace/char/const_iterator.cc:
	Likewise.
	* testsuite/ext/vstring/modifiers/replace/wchar_t/const_iterator.cc:
	Likewise.

	* testsuite/ext/vstring/modifiers/char/54577.cc: Move to testsuite/
	ext/vstring/modifiers/erase/char/.
	* testsuite/ext/vstring/modifiers/wchar_t/54577.cc: Move to testsuite/
	ext/vstring/modifiers/wchar_t/.
	* testsuite/ext/vstring/modifiers/char/pop_back.cc: Move to testsuite/
	ext/vstring/modifiers/pop_back/char/.
	* testsuite/ext/vstring/modifiers/wchar_t/pop_back.cc: Move to
	testsuite/ext/vstring/modifiers/pop_back/wchar_t/.

	* testsuite/23_containers/deque/requirements/dr438/assign_neg.cc:
	Adjust dg-error line number.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
	Likewise.
	* testsuite/23_containers/list/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/list/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
	Likewise.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
	Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200458 138bc75d-0d04-0410-961f-82ee72b054a4