[gcc]
2013-03-20  Pat Haugen <pthaugen@us.ibm.com>

	* config/rs6000/predicates.md (indexed_address, update_address_mem
	update_indexed_address_mem): New predicates.
	* config/rs6000/vsx.md (vsx_extract_<mode>_zero): Set correct "type"
	attribute for load/store instructions.
	* config/rs6000/dfp.md (movsd_store): Likewise.
	(movsd_load): Likewise.
	* config/rs6000/rs6000.md (zero_extend<mode>di2_internal1): Likewise.
	(unnamed HI->DI extend define_insn): Likewise.
	(unnamed SI->DI extend define_insn): Likewise.
	(unnamed QI->SI extend define_insn): Likewise.
	(unnamed QI->HI extend define_insn): Likewise.
	(unnamed HI->SI extend define_insn): Likewise.
	(unnamed HI->SI extend define_insn): Likewise.
	(extendsfdf2_fpr): Likewise.
	(movsi_internal1): Likewise.
	(movsi_internal1_single): Likewise.
	(movhi_internal): Likewise.
	(movqi_internal): Likewise.
	(movcc_internal1): Correct mnemonic for stw insn. Set correct "type"
	attribute for load/store instructions.
	(mov<mode>_hardfloat): Set correct "type" attribute for load/store
	instructions.
	(mov<mode>_softfloat): Likewise.
	(mov<mode>_hardfloat32): Likewise.
	(mov<mode>_hardfloat64): Likewise.
	(mov<mode>_softfloat64): Likewise.
	(movdi_internal32): Likewise.
	(movdi_internal64): Likewise.
	(probe_stack_<mode>): Likewise.

2013-03-20  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/vector.md (VEC_R): Add 32-bit integer, binary
	floating point, and decimal floating point to reload iterator.

	* config/rs6000/constraints.md (wl constraint): New constraints to
	return FLOAT_REGS if certain options are used to reduce the number
	of separate patterns that exist in the file.
	(wx constraint): Likewise.
	(wz constraint): Likewise.

	* config/rs6000/rs6000.c (rs6000_debug_reg_global): If
	-mdebug=reg, print wg, wl, wx, and wz constraints.
	(rs6000_init_hard_regno_mode_ok): Initialize new constraints.
	Initialize the reload functions for 64-bit binary/decimal floating
	point types.
	(reg_offset_addressing_ok_p): If we are on a power7 or later, use
	LFIWZX and STFIWX to load/store 32-bit decimal types, and don't
	create the buffer on the stack to overcome not having a 32-bit
	load and store.
	(rs6000_emit_move): Likewise.
	(rs6000_secondary_memory_needed_rtx): Likewise.
	(rs6000_alloc_sdmode_stack_slot): Likewise.
	(rs6000_preferred_reload_class): On VSX, we can create SFmode 0.0f
	via xxlxor, just like DFmode 0.0.

	* config/rs6000/rs6000.h (TARGET_NO_SDMODE_STACK): New macro,
	define as 1 if we are running on a power7 or newer.
	(enum r6000_reg_class_enum): Add new constraints.

	* config/rs6000/dfp.md (movsd): Delete, combine with binary
	floating point moves in rs6000.md.  Combine power6x (mfpgpr) moves
	with other moves by using conditional constraits (wg).  Use LFIWZX
	and STFIWX for loading SDmode on power7.  Use xxlxor to create
	0.0f.
	(movsd splitter): Likewise.
	(movsd_hardfloat): Likewise.
	(movsd_softfloat): Likewise.

	* config/rs6000/rs6000.md (FMOVE32): New iterators to combine
	binary and decimal floating point moves.
	(fmove_ok): New attributes to combine binary and decimal floating
	point moves, and to combine power6x (mfpgpr) moves along normal
	floating moves.
	(real_value_to_target): Likewise.
	(f32_lr): Likewise.
	(f32_lm): Likewise.
	(f32_li): Likewise.
	(f32_sr): Likewise.
	(f32_sm): Likewise.
	(f32_si): Likewise.
	(movsf): Combine binary and decimal floating point moves.  Combine
	power6x (mfpgpr) moves with other moves by using conditional
	constraits (wg).  Use LFIWZX and STFIWX for loading SDmode on
	power7.
	(mov<mode> for SFmode/SDmode); Likewise.
	(SFmode/SDmode splitters): Likewise.
	(movsf_hardfloat): Likewise.
	(mov<mode>_hardfloat for SFmode/SDmode): Likewise.
	(movsf_softfloat): Likewise.
	(mov<mode>_softfloat for SFmode/SDmode): Likewise.

	* doc/md.texi (PowerPC and IBM RS6000 constraints): Document wl,
	wx and wz constraints.

	* config/rs6000/constraints.md (wg constraint): New constraint to
	return FLOAT_REGS if -mmfpgpr (power6x) was used.

	* config/rs6000/rs6000.h (enum r6000_reg_class_enum): Add wg
	constraint.

	* config/rs6000/rs6000.c (rs6000_debug_reg_global): If
	-mdebug=reg, print wg, wl, wx, and wz constraints.
	(rs6000_init_hard_regno_mode_ok): Initialize new constraints.
	Initialize the reload functions for 64-bit binary/decimal floating
	point types.
	(reg_offset_addressing_ok_p): If we are on a power7 or later, use
	LFIWZX and STFIWX to load/store 32-bit decimal types, and don't
	create the buffer on the stack to overcome not having a 32-bit
	load and store.
	(rs6000_emit_move): Likewise.
	(rs6000_secondary_memory_needed_rtx): Likewise.
	(rs6000_alloc_sdmode_stack_slot): Likewise.
	(rs6000_preferred_reload_class): On VSX, we can create SFmode 0.0f
	via xxlxor, just like DFmode 0.0.


	* config/rs6000/dfp.md (movdd): Delete, combine with binary
	floating point moves in rs6000.md.  Combine power6x (mfpgpr) moves
	with other moves by using conditional constraits (wg).  Use LFIWZX
	and STFIWX for loading SDmode on power7.
	(movdd splitters): Likewise.
	(movdd_hardfloat32): Likewise.
	(movdd_softfloat32): Likewise.
	(movdd_hardfloat64_mfpgpr): Likewise.
	(movdd_hardfloat64): Likewise.
	(movdd_softfloat64): Likewise.

	* config/rs6000/rs6000.md (FMOVE64): New iterators to combine
	64-bit binary and decimal floating point moves.
	(FMOVE64X): Likewise.
	(movdf): Combine 64-bit binary and decimal floating point moves.
	Combine power6x (mfpgpr) moves with other moves by using
	conditional constraits (wg).
	(mov<mode> for DFmode/DDmode): Likewise.
	(DFmode/DDmode splitters): Likewise.
	(movdf_hardfloat32): Likewise.
	(mov<mode>_hardfloat32 for DFmode/DDmode): Likewise.
	(movdf_softfloat32): Likewise.
	(movdf_hardfloat64_mfpgpr): Likewise.
	(movdf_hardfloat64): Likewise.
	(mov<mode>_hardfloat64 for DFmode/DDmode): Likewise.
	(movdf_softfloat64): Likewise.
	(mov<mode>_softfloat64 for DFmode/DDmode): Likewise.
	(reload_<mode>_load): Move to later in the file so they aren't in
	the middle of the floating point move insns.
	(reload_<mode>_store): Likewise.

	* doc/md.texi (PowerPC and IBM RS6000 constraints): Document wg
	constraint.

	* config/rs6000/rs6000.c (rs6000_debug_reg_global): Print out wg
	constraint if -mdebug=reg.
	(rs6000_initi_hard_regno_mode_ok): Enable wg constraint if
	-mfpgpr.  Enable using dd reload support if needed.

	* config/rs6000/dfp.md (movtd): Delete, combine with 128-bit
	binary and decimal floating point moves in rs6000.md.
	(movtd_internal): Likewise.

	* config/rs6000/rs6000.md (FMOVE128): Combine 128-bit binary and
	decimal floating point moves.
	(movtf): Likewise.
	(movtf_internal): Likewise.
	(mov<mode>_internal, TDmode/TFmode): Likewise.
	(movtf_softfloat): Likewise.
	(mov<mode>_softfloat, TDmode/TFmode): Likewise.

	* config/rs6000/rs6000.md (movdi_mfpgpr): Delete, combine with
	movdi_internal64, using wg constraint for move direct operations.
	(movdi_internal64): Likewise.

	* config/rs6000/rs6000.c (rs6000_debug_reg_global): Print
	MODES_TIEABLE_P for selected modes.  Print the numerical value of
	the various virtual registers. Use GPR/FPR first/last values,
	instead of hard coding the register numbers.  Print which modes
	have reload functions registered.
	(rs6000_option_override_internal): If -mdebug=reg, trace the
	options settings before/after setting cpu, target and subtarget
	settings.
	(rs6000_secondary_reload_trace): Improve the RTL dump for
	-mdebug=addr and for secondary reload failures in
	rs6000_secondary_reload_inner.
	(rs6000_secondary_reload_fail): Likewise.
	(rs6000_secondary_reload_inner): Likewise.

	* config/rs6000/rs6000.md (FIRST_GPR_REGNO): Add convenience
	macros for first/last GPR and FPR registers.
	(LAST_GPR_REGNO): Likewise.
	(FIRST_FPR_REGNO): Likewise.
	(LAST_FPR_REGNO): Likewise.

	* config/rs6000/vector.md (mul<mode>3): Use the combined macro
	VECTOR_UNIT_ALTIVEC_OR_VSX_P instead of separate calls to
	VECTOR_UNIT_ALTIVEC_P and VECTOR_UNIT_VSX_P.
	(vcond<mode><mode>): Likewise.
	(vcondu<mode><mode>): Likewise.
	(vector_gtu<mode>): Likewise.
	(vector_gte<mode>): Likewise.
	(xor<mode>3): Don't allow logical operations on TImode in 32-bit
	to prevent the compiler from converting DImode operations to
	TImode.
	(ior<mode>3): Likewise.
	(and<mode>3): Likewise.
	(one_cmpl<mode>2): Likewise.
	(nor<mode>3): Likewise.
	(andc<mode>3): Likewise.

	* config/rs6000/constraints.md (wt constraint): New constraint
	that returns VSX_REGS if TImode is allowed in VSX registers.

	* config/rs6000/predicates.md (easy_fp_constant): 0.0f is an easy
	constant under VSX.

	* config/rs6000/rs6000-modes.def (PTImode): Define, PTImode is
	similar to TImode, but it is restricted to being in the GPRs.

	* config/rs6000/rs6000.opt (-mvsx-timode): New switch to allow
	TImode to occupy a single VSX register.

	* config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Default to
	-mvsx-timode for power7/power8.
	(power7 cpu): Likewise.
	(power8 cpu): Likewise.

	* config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Make
	sure that TFmode/TDmode take up two registers if they are ever
	allowed in the upper VSX registers.
	(rs6000_hard_regno_mode_ok): If -mvsx-timode, allow TImode in VSX
	registers.
	(rs6000_init_hard_regno_mode_ok): Likewise.
	(rs6000_debug_reg_global): Add debugging for PTImode and wt
	constraint.  Print if LRA is turned on.
	(rs6000_option_override_internal): Give an error if -mvsx-timode
	and VSX is not enabled.
	(invalid_e500_subreg): Handle PTImode, restricting it to GPRs.  If
	-mvsx-timode, restrict TImode to reg+reg addressing, and PTImode
	to reg+offset addressing.  Use PTImode when checking offset
	addresses for validity.
	(reg_offset_addressing_ok_p): Likewise.
	(rs6000_legitimate_offset_address_p): Likewise.
	(rs6000_legitimize_address): Likewise.
	(rs6000_legitimize_reload_address): Likewise.
	(rs6000_legitimate_address_p): Likewise.
	(rs6000_eliminate_indexed_memrefs): Likewise.
	(rs6000_emit_move): Likewise.
	(rs6000_secondary_reload): Likewise.
	(rs6000_secondary_reload_inner): Handle PTImode.  Allow 64-bit
	reloads to fpr registers to continue to use reg+offset addressing,
	but 64-bit reloads to altivec registers need reg+reg addressing.
	Drop test for PRE_MODIFY, since VSX loads/stores no longer support
	it.  Treat LO_SUM like a PLUS operation.
	(rs6000_secondary_reload_class): If type is 64-bit, prefer to use
	FLOAT_REGS instead of VSX_RGS to allow use of reg+offset
	addressing.
	(rs6000_cannot_change_mode_class): Do not allow TImode in VSX
	registers to share a register with a smaller sized type, since VSX
	puts scalars in the upper 64-bits.
	(print_operand): Add support for PTImode.
	(rs6000_register_move_cost): Use VECTOR_MEM_VSX_P instead of
	VECTOR_UNIT_VSX_P to catch types that can be loaded in VSX
	registers, but don't have arithmetic support.
	(rs6000_memory_move_cost): Add test for VSX.
	(rs6000_opt_masks): Add -mvsx-timode.

	* config/rs6000/vsx.md (VSm): Change to use 64-bit aligned moves
	for TImode.
	(VSs): Likewise.
	(VSr): Use wt constraint for TImode.
	(VSv): Drop TImode support.
	(vsx_movti): Delete, replace with versions for 32-bit and 64-bit.
	(vsx_movti_64bit): Likewise.
	(vsx_movti_32bit): Likewise.
	(vec_store_<mode>): Use VSX iterator instead of vector iterator.
	(vsx_and<mode>3): Delete use of '?' constraint on inputs, just put
	one '?' on the appropriate output constraint.  Do not allow TImode
	logical operations on 32-bit systems.
	(vsx_ior<mode>3): Likewise.
	(vsx_xor<mode>3): Likewise.
	(vsx_one_cmpl<mode>2): Likewise.
	(vsx_nor<mode>3): Likewise.
	(vsx_andc<mode>3): Likewise.
	(vsx_concat_<mode>): Likewise.
	(vsx_xxpermdi_<mode>): Fix thinko for non V2DF/V2DI modes.

	* config/rs6000/rs6000.h (MASK_VSX_TIMODE): Map from
	OPTION_MASK_VSX_TIMODE.
	(enum rs6000_reg_class_enum): Add RS6000_CONSTRAINT_wt.
	(STACK_SAVEAREA_MODE): Use PTImode instead of TImode.

	* config/rs6000/rs6000.md (INT mode attribute): Add PTImode.
	(TI2 iterator): New iterator for TImode, PTImode.
	(wd mode attribute): Add values for vector types.
	(movti_string): Replace TI move operations with operations for
	TImode and PTImode.  Add support for TImode being allowed in VSX
	registers.
	(mov<mode>_string, TImode/PTImode): Likewise.
	(movti_ppc64): Likewise.
	(mov<mode>_ppc64, TImode/PTImode): Likewise.
	(TI mode splitters): Likewise.

	* doc/md.texi (PowerPC and IBM RS6000 constraints): Document wt
	constraint.

[gcc/testsuite]
2013-03-20  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* gcc.target/powerpc/mmfpgpr.c: New test.
	* gcc.target/powerpc/sd-vsx.c: Likewise.
	* gcc.target/powerpc/sd-pwr6.c: Likewise.
	* gcc.target/powerpc/vsx-float0.c: Likewise.

From-SVN: r196831

2013-03-20  Marc Glisse  <marc.glisse@inria.fr>

	PR tree-optimization/56355
gcc/
	* fold-const.c (tree_binary_nonnegative_warnv_p) <MULT_EXPR>:
	Also handle integers with undefined overflow.

gcc/testsuite/
	* gcc.dg/pr56355-1.c: New file.

From-SVN: r196829

gcc/
2013-03-20  Catherine Moore  <clm@codesourcery.com>
	    Maciej W. Rozycki  <macro@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>
	    Nathan Sidwell <nathan@codesourcery.com>
	    Iain Sandoe  <iain@codesourcery.com>
	    Nathan Froyd  <froydnj@codesourcery.com>
	    Chao-ying Fu <fu@mips.com>

	* doc/extend.texi: (micromips, nomicromips, nocompression):
	Document new function attributes. 
	* doc/invoke.texi (minterlink-compressed, mmicromips,
	m14k, m14ke, m14kec): Document new options.
	(minterlink-mips16): Update documentation.
	* doc/md.texi (ZC, ZD): Document new constraints.
	* configure.ac (gcc_cv_as_micromips): Check if linker
	supports the .set micromips directive.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/mips/mips-tables.opt: Regenerate.
	* config/mips/micromips.md: New file.
	* constraints.md (ZC, ZD): New constraints.
	* config/mips/predicates.md (movep_src_register): New predicate.
	(movep_src_operand): New predicate.
	(non_volatile_mem_operand): New predicate.
	* config/mips/mips.md (multimem): New type.
	(length): Differentiate between 17-bit and 18-bit branch offsets.
	(MOVEP1, MOVEP2): New mode iterator.
 	(mov_<load>l): Use ZC constraint.
	(mov_<load>r): Likewise.
	(mov_<store>l): Likewise.
	(mov_<store>r): Likewise.
	(*branch_equality<mode>_inverted): Add microMIPS support.
	(*branch_equality<mode>): Likewise.
	(*jump_absolute): Likewise.
	(indirect_jump_<mode>): Likewise.
	(tablejump_<mode>): Likewise.
	(<optab>_internal): Likewise.
	(sibcall_internal): Likewise.
	(sibcall_value_internal): Likewise.
	(prefetch): Use constraint ZD.
	* config/mips/mips.opt (minterlink-compressed): New option.
	(minterlink-mips16): Now an alias for minterlink-compressed.
	(mmicromips): New option.
	* config/mips/sync.md (sync_compare_and_swap<mode>): Use ZR constraint.
	(compare_and_swap_12): Likewise.
	(sync_add<mode>): Likewise.
	(sync_<optab>_12): Likewise.
	(sync_old_<optab>_12): Likewise.
	(sync_new_<optab>_12): Likewise.
	(sync_nand_12): Likewise.
	(sync_old_nand_12): Likewise.
	(sync_new_nand_12): Likewise.
	(sync_sub<mode>): Likewise.
	(sync_old_add<mode>): Likewise.
	(sync_old_sub<mode>): Likewise.
	(sync_new_add<mode>): Likewise.
	(sync_new_sub<mode>): Likewise.
	(sync_<optab><mode>): Likewise.
	(sync_old_<optab><mode>): Likewise.
	(sync_new_<optab><mode>): Likewise.
	(sync_nand<mode>): Likewise.
	(sync_old_nand<mode>): Likewise.
	(sync_new_nand<mode>): Likewise.
	(sync_lock_test_and_set<mode>): Likewise.
	(test_and_set_12): Likewise.
	(atomic_compare_and_swap<mode>): Likewise.
	(atomic_exchange<mode>_llsc): Likewise.
	(atomic_fetch_add<mode>_llsc): Likewise.
	* config/mips/mips-cpus.def (m14kc, m14k): New processors.
	* config/mips/mips-protos.h (umips_output_save_restore): New prototype.
	(umips_save_restore_pattern_p): Likewise.
	(umips_load_store_pair_p): Likewise.
	(umips_output_load_store_pair): Likewise.
	(umips_movep_target_p): Likewise.
	(umips_12bit_offset_address_p): Likewise.
	* config/mips/mips.c (MIPS_MAX_FIRST_STEP): Update for microMIPS.
	(mips_base_mips16): Rename this...
	(mips_base_compression_flags): ...to this. Update all uses.
	(mips_attribute_table): Add micromips, nomicromips and nocompression.
	(mips_mips16_decl_p): Delete.
	(mips_nomips16_decl_p): Delete.
 	(mips_get_compress_on_flags): New function.
	(mips_get_compress_off_flags): New function.
	(mips_get_compress_mode): New function.
	(mips_get_compress_on_name): New function.
	(mips_get_compress_off_name): New function.
	(mips_insert_attributes): Support multiple compression types.
	(mips_merge_decl_attributes): Likewise.
	(umips_12bit_offset_address_p): New function.
	(mips_start_function_definition): Emit .set micromips directive.
	(mips_call_may_need_jalx_p): New function.
	(mips_function_ok_for_sibcall): Add microMIPS support.
	(mips_print_operand_punctuation): Support short delay slots and
	compact jumps.
	(umips_swm_mask, umips_swm_encoding): New.
	(umips_build_save_restore): New function.
	(mips_for_each_saved_gpr_and_fpr): Add microMIPS support.
	(was_mips16_p): Remove.
	(old_compression_mode): New.
	(mips_set_compression_mode): New function.
	(mips_set_current_function): Add microMIPS support.
	(mips_option_override): Likewise.
	(umips_save_restore_pattern_p): New function.
	(umips_output_save_restore): New function.
	(umips_load_store_pair_p_1): New function.
	(umips_load_store_pair_p): New function.
	(umips_output_load_store_pair_1): New function.
	(umips_output_load_store_pair): New function.
	(umips_movep_target_p) New function.
	(mips_prepare_pch_save): Add microMIPS support.
	* config/mips/mips.h (TARGET_COMPRESSION): New.
	(TARGET_CPU_CPP_BUILTINS): Update macro
	to use new compression flags and to support microMIPS.
	(MIPS_ISA_LEVEL_SPEC): Add m14k processors.
	(MIPS_ARCH_FLOAT_SPEC): Likewise.
	(ISA_HAS_LWXS): Include TARGET_MICROMIPS.
	(ISA_HAS_LOAD_DELAY): Exclude TARGET_MICROMIPS.
	(ASM_SPEC): Support mmicromips and mno-micromips.
	(M16STORE_REG_P): New macro.
	(MIPS_CALL): Support TARGET_MICROMIPS.
	(MICROMIPS_J): New macro.
	(mips_base_mips16): Rename this...
	(mips_base_compression_flags): ...to this.
	(UMIPS_12BIT_OFFSET_P): New macro.
	* config/mips/t-sde: (MULTILIB_OPTIONS): Add microMIPS.
	(MULTILIB_DIRNAMES): Likewise.
libgcc/
2013-03-20  Catherine Moore  <clm@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>
	    Chao-ying Fu  <fu@mips.com>

	* config/mips/mips16.S:  Don't build for microMIPS.
	* config/mips/linux-unwind.h: Handle microMIPS frame.
	* config/mips/crtn.S (fini, init): New labels.
gcc/testsuite/
2013-03-20  Catherine Moore  <clm@codesourcery.com>
	    Richard Sandiford <rdsandiford@googlemail.com>

	* gcc.target/mips/mips.exp: Add microMIPS support.
	* gcc.target/mips/umips-movep-2.c: New test.
	* gcc.target/mips/umips-lwp-2.c: New test.
	* gcc.target/mips/umips-swp-5.c: New test.
	* gcc.target/mips/umips-constraints-1.c: New test.
	* gcc.target/mips/umips-lwp-3.c: New test.
	* gcc.target/mips/umips-swp-6.c: New test.
	* gcc.target/mips/umips-constraints-2.c: New test.
	* gcc.target/mips/umips-save-restore-1.c: New test.
	* gcc.target/mips/umips-lwp-4.c: New test.
	* gcc.target/mips/umips-swp-7.c: New test.
	* gcc.target/mips/umips-save-restore-2.c: New test.
	* gcc.target/mips/umips-lwp-swp-volatile.c: New test.
	* gcc.target/mips/umips-lwp-5.c: New test.
	* gcc.target/mips/umips-save-restore-3.c: New test.
	* gcc.target/mips/umips-lwp-6.c: New test.
	* gcc.target/mips/umips-swp-1.c: New test.
	* gcc.target/mips/umips-lwp-7.c: New test.
	* gcc.target/mips/umips-swp-2.c: New test.
	* gcc.target/mips/umips-lwp-8.c: New test.
	* gcc.target/mips/umips-swp-3.c: New test.
	* gcc.target/mips/umips-movep-1.c: New test.
	* gcc.target/mips/umips-lwp-1.c: New test.
	* gcc.target/mips/umips-swp-4.c: New test.


Co-Authored-By: Chao-ying Fu <fu@mips.com>
Co-Authored-By: Iain Sandoe <iain@codesourcery.com>
Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
Co-Authored-By: Maciej W. Rozycki <macro@codesourcery.com>
Co-Authored-By: Nathan Froyd <froydnj@codesourcery.com>
Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com>
Co-Authored-By: Richard Sandiford <rdsandiford@googlemail.com>
Co-Authored-By: Tom de Vries <tom@codesourcery.com>

From-SVN: r196828

2013-03-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56661
	* tree-ssa-sccvn.c (visit_use): Only value-number calls if
	the result does not have to be distinct.

	* gcc.dg/torture/pr56661.c: New testcase.

From-SVN: r196825

2013-03-20  Richard Biener  <rguenther@suse.de>

	* tree-inline.c (copy_tree_body_r): Sync MEM_REF code with
	remap_gimple_op_r.

From-SVN: r196824

gcc:

2013-03-13  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
	    Steven Bosscher <steven@gcc.gnu.org>

	PR rtl-optimization/56605
	* loop-iv.c (implies_p): Handle equal RTXs and subregs.

gcc/testsuite:

2013-03-13  Bill Schmidt  wschmidt@linux.vnet.ibm.com>

	PR rtl-optimization/56605
	* gcc.target/powerpc/pr56605.c: New.

Co-Authored-By: Steven Bosscher <steven@gcc.gnu.org>

From-SVN: r196823

	PR fortran/54932
	* gfortran.dg/do_1.f90: Don't xfail.

From-SVN: r196821

2013-03-20  Tobias Burnus  <burnus@net-b.de>

        * i-fortra.ads: Update comment, add Ada 2012's optional
        Star and Kind data types for enhanced interoperability.

From-SVN: r196814

	PR bootstrap/56656
	* config/i386/i386.md (*movdi_internal): Handle broken assemblers
	that require movd instead of movq.

From-SVN: r196813

tree-ssa-structalias.c (struct variable_info): Add pointer to the first field of an aggregate with sub-vars.

2013-03-20  Richard Biener  <rguenther@suse.de>

	* tree-ssa-structalias.c (struct variable_info): Add pointer
	to the first field of an aggregate with sub-vars.  Make
	this and the pointer to the next subfield its ID.
	(vi_next): New function.
	(nothing_id, anything_id, readonly_id, escaped_id, nonlocal_id,
	storedanything_id, integer_id): Increment by one.
	(new_var_info, get_call_vi, lookup_call_clobber_vi,
	get_call_clobber_vi): Adjust.
	(solution_set_expand): Simplify and speedup.
	(solution_set_add): Inline into ...
	(set_union_with_increment): ... this.  Adjust accordingly.
	(do_sd_constraint): Likewise.
	(do_ds_constraint): Likewise.
	(do_complex_constraint): Simplify.
	(build_pred_graph): Adjust.
	(solve_graph): Likewise.  Simplify and speedup.
	(get_constraint_for_ssa_var, get_constraint_for_ptr_offset,
	get_constraint_for_component_ref, get_constraint_for_1,
	first_vi_for_offset, first_or_preceding_vi_for_offset,
	create_function_info_for, create_variable_info_for_1,
	create_variable_info_for, intra_create_variable_infos): Adjust.
	(init_base_vars): Push NULL for ID zero.
	(compute_points_to_sets): Adjust.

From-SVN: r196812

2013-03-20  Richard Biener  <rguenther@suse.de>

	* cfgloop.c (verify_loop_structure): Streamline and avoid
	ICEing on corrupt loop tree.
	* graph.c (draw_cfg_nodes_for_loop): Avoid ICEing on corrupt
	loop tree.

From-SVN: r196811

2013-03-20  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop-manip.c (slpeel_can_duplicate_loop_p): Do not
	check whether an SSA update is needed.

From-SVN: r196810

gcc/
	* config/mips/constraints.md (T): Rename to...
	(Yf): ...this.
	(U): Rename to...
	(Yd): ...this.
	* config/mips/mips.md (*movdi_64bit, *movdi_64bit_mips16)
	(*mov<mode>_internal, *mov<mode>_mips16): Update accordingly.

From-SVN: r196807

2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/51825
        * io/list_read.c (nml_read_obj): Don't end the component loop on
        a nested derived type, but continue with the next loop iteration.
        (nml_get_obj_data): Don't move the first_nl pointer further in
        the list if a qualifier was found.

2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/51825
        * gcc/testsuite/gfortran.dg/namelist_77.f90: New.
        * gcc/testsuite/gfortran.dg/namelist_78.f90: New.

From-SVN: r196806

2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/48618
        * io/open.c (st_open): Raise error for unit number < 0 only if
        unit number does not exist already.

2013-03-20  Tilo Schwarz  <tilo@tilo-schwarz.de>

        PR libfortran/48618
        * gfortran.dg/open_negative_unit_1.f90: New.

From-SVN: r196805

From-SVN: r196804

From-SVN: r196800

From-SVN: r196799

From-SVN: r196797

From-SVN: r196796

From-SVN: r196795

2013-03-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56273
	* passes.c (init_optimization_passes): Move second VRP after DOM.

	* gcc.dg/tree-ssa/vrp47.c: Adjust.
	* c-c++-common/uninit-17.c: Likewise.

From-SVN: r196792

2013-03-19  Janne Blomqvist  <jb@gcc.gnu.org>

	* libgfortran.h: Include stdbool.h.
	(enum try): Remove.
	(notify_std): Change return type to bool.
	* intrinsics/chmod.c: Don't include stdbool.h.
	* intrinsics/execute_command_line.c: Likewise.
	* io/format.c: Likewise.
	* io/list_read.c (nml_parse_qualifier): Change return type to bool.
	(nml_read_obj): Likewise.
	(nml_get_obj_data): Likewise.
	* io/transfer.c (read_block_form): Fix comment.
	(write_buf): Change return type to bool.
	* io/write.c: Don't include stdbool.h.
	* io/write_float.def (output_float): Change return type to bool.
	(output_float_FMT_G_ ## x): Change type of result variable.
	* runtime/error.c (notify_std): Change return type to bool.

From-SVN: r196791

filenames.

From-SVN: r196790

From-SVN: r196789

From-SVN: r196788

	* config/i386/i386.md (*movti_internal): Merge from
	*movti_internal_rex64 and *movti_internal_sse.  Use x64 isa attribute.
	(*movdi_internal): Merge with *movdi_internal_rex64.  Use x64 and
	nox64 isa attributes.

From-SVN: r196784

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-ssa-structalias.c (find): Use gcc_checking_assert.
	(unite): Likewise.
	(merge_node_constraints): Likewise.
	(build_succ_graph): Likewise.
	(valid_graph_edge): Inline into single caller.
	(unify_nodes): Likewise.  Use bitmap_set_bit return value
	and cache varinfo.
	(scc_visit): Fix formatting and variable use.
	(do_sd_constraint): Use gcc_checking_assert.
	(do_ds_constraint): Likewise.
	(do_complex_constraint): Likewise.
	(condense_visit): Likewise.  Cleanup.
	(dump_pred_graph): New function.
	(perform_var_substitution): Dump the pred-graph before
	variable substitution.
	(find_equivalent_node): Use gcc_checking_assert.
	(rewrite_constraints): Guard checking loop with ENABLE_CHECKING.

From-SVN: r196783

tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): Remove cond_expr_stmt_list argument and do not gimplify the built expression.

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
	Remove cond_expr_stmt_list argument and do not gimplify the
	built expression.
	(vect_loop_versioning): Adjust.
	* tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
	Cleanup to use less temporaries.
	(vect_create_data_ref_ptr): Cleanup.

From-SVN: r196782

re PR tree-optimization/56635 (internal compiler error: in find_lattice_value, at tree-complex.c:15)

	PR tree-optimization/56635
	* fold-const.c (operand_equal_p): For MEM_REF and TARGET_MEM_REF,
	require types_compatible_p types.

	* g++.dg/torture/pr56635.C: New test.

From-SVN: r196781

	* config/stormy16/stormy16.c (xstormy16_expand_prologue): Remove
	spurious backslash.

From-SVN: r196779

	* config/mn10300/mn10300.c (mn10300_get_live_callee_saved_regs):
	Add missing line to comment describing function.

From-SVN: r196778

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56210
	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
	Handle string / character search functions.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Likewise.

From-SVN: r196777

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR middle-end/56483
	* cfgexpand.c (expand_gimple_cond): Inline gimple_cond_single_var_p
	and implement properly.
	* gimple.h (gimple_cond_single_var_p): Remove.

From-SVN: r196776

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-data-ref.h (find_data_references_in_loop): Declare.
	* tree-data-ref.c (get_references_in_stmt): Use a stack
	vector pre-allocated in the callers.
	(find_data_references_in_stmt): Adjust.
	(graphite_find_data_references_in_stmt): Likewise.
	(create_rdg_vertices): Likewise.
	(find_data_references_in_loop): Export.
	* tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
	Compute dependences here...
	(vect_analyze_data_refs): ...not here.  When we encounter
	a non-vectorizable data reference in basic-block vectorization
	truncate the data reference vector.  Do not bother to
	fixup data-dependence information for gather loads.
	* tree-vect-slp.c (vect_slp_analyze_bb_1): Check the number
	of data references, as reported.

From-SVN: r196775

2013-03-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/55977 (partial, std::vector and std::deque bits)
	* include/bits/stl_vector.h (_M_range_initialize(_InputIterator,
	_InputIterator, std::input_iterator_tag)): Use emplace_back.
	* include/bits/deque.tcc (_M_range_initialize(_InputIterator,
	_InputIterator, std::input_iterator_tag)): Likewise.
	* testsuite/23_containers/vector/cons/55977.cc: New.
	* testsuite/23_containers/deque/cons/55977.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
	Adjust dg-error line number.
	* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
	Likewise.

From-SVN: r196774

2013-03-18  Tobias Burnus  <burnus@net-b.de>

        * gfortran.h (gfc_option_t): Remove flag_whole_file.
        * invoke.texi (-fno-whole-file): Remove.
        * lang.opt (fwhole-file): Change to Ignore.
        * options.c (gfc_init_options, gfc_post_options,
        gfc_handle_option): Remove !flag_whole_file handling
        * parse.c (resolve_all_program_units,
        * translate_all_program_units,
        gfc_parse_file): Ditto.
        * resolve.c (resolve_global_procedure): Ditto.
        * trans-decl.c (gfc_get_symbol_decl,
        * gfc_get_extern_function_decl,
        gfc_create_module_variable): Ditto.
        * trans-types.c (gfc_get_derived_type): Ditto.

From-SVN: r196773

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/3713
	* tree-ssa-sccvn.c (visit_copy): Simplify.  Always propagate
	has_constants and expr.
	(stmt_has_constants): Properly valueize SSA names when deciding
	whether the stmt has constants.

	* g++.dg/ipa/devirt-12.C: New testcase.

From-SVN: r196771

tree-ssa-loop-manip.c (find_uses_to_rename): Do not scan the whole function when there is nothing to do.

2013-03-18  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-manip.c (find_uses_to_rename): Do not scan the
	whole function when there is nothing to do.
	* tree-ssa-loop.c (pass_vectorize): Remove TODO_update_ssa.
	* tree-vectorizer.c (vectorize_loops): Update virtual and
	loop-closed SSA once.
	* tree-vect-loop.c (vect_transform_loop): Do not update SSA here.

From-SVN: r196770

2013-03-18  Richard Biener  <rguenther@suse.de>

	PR middle-end/56113
	* domwalk.c (bb_postorder): New global static.
	(cmp_bb_postorder): New function.
	(walk_dominator_tree): Replace scheme imposing an order for
	visiting dominator sons by one sorting them at the time they
	are pushed on the stack.

From-SVN: r196769