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2012-07-13re PR c/53937 (Pack'ing struct causes gcc to not recognize that an field's ↵Richard Guenther1-0/+7
address is aligned) 2012-07-13 Richard Guenther <rguenther@suse.de> PR middle-end/53937 * builtins.c (get_pointer_alignment_1): Handle constant pointers. From-SVN: r189458
2012-06-21re PR middle-end/53688 (191.fma3d in SPEC CPU 2000 miscompiled)Michael Matz1-109/+26
PR middle-end/53688 * builtins.c (get_memory_rtx): Always build an all-aliasing MEM_REF with correct size. testsuite/ * gcc.c-torture/execute/pr53688.c: New test. From-SVN: r188852
2012-06-022012-06-2 Kenneth Zadeck <zadeck@naturalbridge.com>Kenneth Zadeck1-2/+2
* expmed.c (expand_mult, choose_multiplier): Change "2 * HOST_BITS_PER_WIDE_INT" to "HOST_BITS_PER_DOUBLE_INT". * expr.c (convert_modes): Likewise. * explow.c (plus_constant): Likewise. * fixed-value.c (fixed_saturate1, fixed_saturate2) (do_fixed_add, do_fixed_multiply, do_fixed_multiply) (do_fixed_multiply, do_fixed_multiply, do_fixed_divide) (do_fixed_divide, do_fixed_divide, do_fixed_divide) (do_fixed_divide, do_fixed_divide, do_fixed_shift, do_fixed_shift) (do_fixed_shift, fixed_convert, fixed_convert) (fixed_convert_from_int, fixed_convert_from_int) (fixed_convert_from_real): Likewise. * fold-const.c (fold_convert_const_int_from_fixed, sign_bit_p) (native_interpret_int, fold_binary_loc, fold_ternary_loc): Likewise. * varasm.c (output_constructor_bitfield): Likewise. * tree-vrp.c (register_edge_assert_for_2): Likewise. * double-int.c (rshift_double, lshift_double): Likewise. * double-int.h (double_int_fits_in_uhwi_p, double_int, double_int): Likewise. * simplify-rtx.c (mode_signbit_p) (simplify_const_unary_operation, simplify_binary_operation_1) (simplify_immed_subreg): Likewise. * builtins.c (c_readstr, fold_builtin_bitop): Likewise. * tree-vect-generic.c (build_replicated_const): Likewise. * dbxout.c (stabstr_O): Likewise. * emit-rtl.c (immed_double_int_const, immed_double_const) (gen_lowpart_common, init_emit_once): Likewise. * tree.c (integer_pow2p, tree_log2, tree_floor_log2) (widest_int_cst_value, upper_bound_in_type): Likewise. * stor-layout.c (initialize_sizetypes, fixup_signed_type) (fixup_unsigned_type): Likewise. * real.c (real_to_integer2, real_from_integer): Likewise. * dwarf2out.c (size_of_loc_descr, size_of_die, output_die) (clz_loc_descriptor, mem_loc_descriptor): Likewise. From-SVN: r188139
2012-05-29rtl.h (assign_stack_temp, [...]): Remove 'keep' argument.Michael Matz1-2/+2
* rtl.h (assign_stack_temp, assign_stack_temp_for_type, assign_temp): Remove 'keep' argument. (mark_temp_addr_taken): Remove prototype. * tree.h (expand_decl): Remove prototype. * function.c (struct temp_slot): Remove addr_taken and keep member. (assign_stack_temp_for_type) Don't initialize above, remove keep argument. (assign_stack_temp, assign_temp): Remove keep argument. (mark_temp_addr_taken): Remove. (preserve_temp_slots): Remove handling of addr_taken and keep members. (free_temp_slots): Ditto. * expr.c (expand_expr_real_1 <COMPOUND_LITERAL_EXPR>): Remove dead code. * stmt.c (expand_asm_operands): Remove dead code. (expand_decl): Remove. * c-decl.c (finish_struct): Don't call expand_decl. * builtins.c (expand_builtin_cexpi): Adjust calls to assign_temp and assign_stack_temp. * calls.c (save_fixed_argument_area, initialize_argument_information, expand_call, emit_library_call_value_1, store_one_arg): Ditto. * expmed.c (extract_bit_field_1): Ditto. * expr.c (emit_group_load_1, emit_group_store, copy_blkmode_from_reg, emit_push_insn, expand_assignment, store_field, expand_constructor, expand_cond_expr_using_cmove, expand_expr_real_2, expand_expr_real_1): Ditto. * stmt.c (expand_asm_operands, expand_return): Ditto. * function.c (pop_temp_slots): Call free_temp_slots. * calls.c (store_one_arg): Don't call preserve_temp_slots or free_temp_slots. * expr.c (expand_assignment): Don't call free_temp_slots. * config/arm/arm.c (neon_expand_vector_init): Ditto. * config/i386/i386.c (ix86_expand_vector_set): Ditto. (ix86_expand_vector_extract): Ditto. * config/ia64/ia64.c (spill_xfmode_rfmode_operand, ia64_expand_movxf_movrf): Ditto. * config/mips/mips.c (mips_expand_vi_general): Ditto. * config/mmix/mmix.md (floatdisf2, floatunsdisf2, truncdfsf2, extendsfdf2): Ditto. * config/rs6000/rs6000.c (rs6000_expand_vector_init, rs6000_expand_vector_set, rs6000_expand_vector_extract, rs6000_allocate_stack_temp): Ditto. * config/rs6000/rs6000.md (fix_trunctfsi2_fprs): Ditto. * config/sparc/sparc.c (emit_soft_tfmode_libcall, sparc_emit_float_lib_cmp, sparc_emit_float_lib_cmp, sparc_expand_vector_init): Ditto. From-SVN: r187965
2012-05-05rtl.h (plus_constant, [...]): Merge into a single plus_constant function.Richard Sandiford1-11/+15
gcc/ * rtl.h (plus_constant, plus_constant_mode): Merge into a single plus_constant function. * explow.c (plus_constant, plus_constant_mode): Likewise. Assert that the mode is sensible. (use_anchored_address, round_push, allocate_dynamic_stack_space) (probe_stack_range, anti_adjust_stack_and_probe): Update calls to plus_constant. * alias.c (canon_rtx): Likewise. (init_alias_analysis): Likewise. * builtins.c (expand_builtin_return_addr) (expand_builtin_setjmp_setup, expand_builtin_longjmp) (expand_builtin_nonlocal_goto, expand_builtin_update_setjmp_buf) (expand_builtin_apply_args_1, expand_builtin_apply, expand_movstr) (expand_builtin_stpcpy): Likewise. * calls.c (save_fixed_argument_area, restore_fixed_argument_area) (compute_argument_addresses, internal_arg_pointer_based_exp) (expand_call, emit_library_call_value_1): Likewise. * cfgexpand.c (expand_one_stack_var_at, expand_debug_expr): Likewise. * combine-stack-adj.c (try_apply_stack_adjustment): Likewise. * combine.c (combine_simplify_rtx, force_to_mode): Likewise. * cse.c (insert_const_anchor, find_reg_offset_for_const) (use_related_value, fold_rtx): Likewise. * cselib.c (cselib_subst_to_values): Likewise. * dse.c (record_store, check_mem_read_rtx): Likewise. * dwarf2out.c (rtl_for_decl_location, gen_variable_die): Likewise. * emit-rtl.c (adjust_address_1): Likewise. * except.c (sjlj_emit_function_enter) (expand_builtin_extract_return_addr) (expand_builtin_frob_return_addr): Likewise. * expmed.c (expand_divmod): Likewise. * expr.c (move_by_pieces, store_by_pieces, store_by_pieces_1) (emit_move_resolve_push, push_block, emit_push_insn, store_expr) (expand_expr_addr_expr_1, expand_expr_real_1): Likewise. * function.c (assign_stack_local_1) (instantiate_virtual_regs_in_rtx): Likewise. * optabs.c (prepare_cmp_insn): Likewise. * recog.c (offsettable_address_addr_space_p): Likewise. * reload.c (find_reloads_address, form_sum) (find_reloads_subreg_address): Likewise. * reload1.c (init_reload, eliminate_regs_1) (eliminate_regs_in_insn): Likewise. * simplify-rtx.c (simplify_unary_operation_1) (simplify_binary_operation_1, simplify_plus_minus): Likewise. * var-tracking.c (compute_cfa_pointer, prepare_call_arguments) (vt_add_function_parameter): Likewise. * config/alpha/alpha.h (EH_RETURN_HANDLER_RTX): Likewise. * config/alpha/vms.h (EH_RETURN_HANDLER_RTX): Likewise. * config/alpha/alpha.c (alpha_legitimize_address_1) (get_unaligned_address, alpha_expand_unaligned_load) (alpha_expand_unaligned_store, alpha_expand_unaligned_load_words) (alpha_expand_unaligned_store_words, alpha_expand_block_clear) (alpha_expand_builtin_establish_vms_condition_handler) (alpha_setup_incoming_varargs, emit_frame_store_1) (alpha_expand_prologue, alpha_expand_epilogue) (alpha_use_linkage): Likewise. * config/alpha/alpha.md: Likewise. * config/arm/arm.c (arm_trampoline_init, legitimize_pic_address) (arm_load_pic_register, arm_pic_static_addr, arm_legitimize_address) (thumb_legitimize_address, arm_gen_load_multiple_1) (arm_gen_store_multiple_1, arm_gen_multiple_op, gen_ldm_seq) (gen_stm_seq, gen_const_stm_seq, arm_block_move_unaligned_straight) (arm_block_move_unaligned_loop, arm_gen_movmemqi, arm_reload_in_hi) (arm_reload_out_hi, arm_reorg, vfp_emit_fstmd, emit_multi_reg_push) (emit_sfm, thumb_set_frame_pointer, arm_expand_prologue) (thumb1_emit_multi_reg_push, thumb1_expand_prologue) (thumb_expand_movmemqi, arm_set_return_address) (thumb_set_return_address): Likewise. * config/arm/arm.md: Likewise. * config/avr/avr.c (avr_incoming_return_addr_rtx) (avr_prologue_setup_frame, expand_epilogue) (avr_const_address_lo16): Likewise. * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Likewise. * config/bfin/bfin.c (setup_incoming_varargs, bfin_load_pic_reg) (bfin_expand_prologue, bfin_trampoline_init, bfin_expand_call) (bfin_output_mi_thunk): Likewise. * config/c6x/c6x.c (c6x_initialize_trampoline) (c6x_output_mi_thunk): Likewise. * config/cr16/cr16.h (EH_RETURN_HANDLER_RTX): Likewise. * config/cr16/cr16.c (cr16_create_dwarf_for_multi_push): Likewise. * config/cris/cris.c (cris_return_addr_rtx, cris_split_movdx) (cris_expand_prologue, cris_expand_epilogue, cris_gen_movem_load) (cris_emit_movem_store, cris_trampoline_init): Likewise. * config/cris/cris.md: Likewise. * config/darwin.c (machopic_indirect_data_reference) (machopic_legitimize_pic_address): Likewise. * config/epiphany/epiphany.c (epiphany_emit_save_restore) (epiphany_expand_prologue, epiphany_expand_epilogue) (epiphany_trampoline_init): Likewise. * config/epiphany/epiphany.md: Likewise. * config/fr30/fr30.c (fr30_move_double): Likewise. * config/frv/frv.c (frv_dwarf_store, frv_expand_prologue) (frv_expand_block_move, frv_expand_block_clear, frv_return_addr_rtx) (frv_index_memory, unspec_got_name, frv_find_base_term) (frv_output_dwarf_dtprel): Likewise. * config/h8300/h8300.c (h8300_push_pop, h8300_return_addr_rtx) (h8300_swap_into_er6, h8300_swap_out_of_er6): Likewise. * config/i386/i386.h (RETURN_ADDR_RTX): Likewise. * config/i386/i386.c (setup_incoming_varargs_64) (setup_incoming_varargs_ms_64, choose_baseaddr) (ix86_emit_save_reg_using_mov, ix86_adjust_stack_and_probe) (ix86_emit_probe_stack_range, ix86_expand_prologue) (ix86_emit_restore_reg_using_pop, ix86_emit_leave) (ix86_expand_epilogue, legitimize_pic_address, ix86_legitimize_address) (ix86_split_long_move, ix86_expand_movmem, ix86_expand_setmem) (ix86_static_chain, ix86_trampoline_init, x86_this_parameter) (x86_output_mi_thunk): Likewise. * config/i386/i386.md: Likewise. * config/ia64/ia64.c (ia64_expand_load_address) (ia64_expand_tls_address, ia64_expand_move, ia64_split_tmode) (do_spill, ia64_trampoline_init): Likewise. * config/iq2000/iq2000.c (iq2000_va_start) (iq2000_emit_frame_related_store, iq2000_expand_prologue) (iq2000_expand_eh_return, iq2000_setup_incoming_varargs) (iq2000_print_operand, iq2000_legitimize_address): Likewise. * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise. * config/m32c/m32c.c (m32c_return_addr_rtx) (m32c_expand_insv): Likewise. * config/m32r/m32r.c (m32r_setup_incoming_varargs) (m32r_legitimize_pic_address, m32r_print_operand) (m32r_print_operand_address): Likewise. * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise. * config/m68k/m68k.h (RETURN_ADDR_RTX): Likewise. (EH_RETURN_HANDLER_RTX): Likewise. * config/m68k/m68k.c (m68k_emit_movem, m68k_expand_prologue) (m68k_expand_epilogue, legitimize_pic_address) (m68k_output_mi_thunk): Likewise. * config/m68k/m68k.md: Likewise. * config/mcore/mcore.c (mcore_expand_prolog): Likewise. (mcore_expand_epilog): Likewise. * config/mcore/mcore.md: Likewise. * config/mep/mep.c (mep_allocate_initial_value) (mep_expand_prologue, mep_expand_epilogue): Likewise. * config/microblaze/microblaze.c (double_memory_operand) (microblaze_block_move_loop): Likewise. * config/mips/mips.c (mips_strip_unspec_address, mips_add_offset) (mips_setup_incoming_varargs, mips_va_start, mips_block_move_loop) (mips_print_operand, mips16e_save_restore_reg, mips_save_restore_reg) (mips_expand_prologue, mips_epilogue_set_cfa) (mips_expand_epilogue): Likewise. * config/mips/mips.md: Likewise. * config/mmix/mmix.c (mmix_dynamic_chain_address, mmix_return_addr_rtx) (mmix_expand_prologue, mmix_expand_epilogue): Likewise. * config/mn10300/mn10300.c (mn10300_gen_multiple_store) (mn10300_builtin_saveregs, mn10300_trampoline_init): Likewise. * config/moxie/moxie.h (INCOMING_RETURN_ADDR_RTX): Likewise. (EH_RETURN_HANDLER_RTX): Likewise. * config/moxie/moxie.c (moxie_static_chain): Likewise. * config/pa/pa.c (legitimize_pic_address, hppa_legitimize_address) (store_reg, set_reg_plus_d, pa_expand_prologue, load_reg) (pa_return_addr_rtx, hppa_builtin_saveregs) (pa_trampoline_init): Likewise. * config/pa/pa.md: Likewise. * config/pdp11/pdp11.c (pdp11_expand_epilogue): Likewise. * config/picochip/picochip.c (picochip_static_chain): Likewise. * config/rs6000/rs6000.h (RS6000_SAVE_TOC): Likewise. * config/rs6000/rs6000.c (rs6000_legitimize_address) (setup_incoming_varargs, print_operand, rs6000_return_addr) (rs6000_emit_eh_reg_restore, rs6000_emit_probe_stack_range) (rs6000_emit_epilogue) (rs6000_machopic_legitimize_pic_address): Likewise. * config/rx/rx.c (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise. * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Likewise. (DYNAMIC_CHAIN_ADDRESS): Likewise. * config/s390/s390.c (s390_decompose_address, legitimize_pic_address) (s390_delegitimize_address, print_operand, annotate_constant_pool_refs) (replace_constant_pool_ref, s390_return_addr_rtx, s390_back_chain_rtx) (save_fpr, restore_fpr, save_gprs, restore_gprs, s390_emit_prologue) (s390_emit_epilogue, s390_function_profiler): Likewise. * config/s390/s390.md: Likewise. * config/score/score.c (score_add_offset, score_prologue): Likewise. * config/sh/sh.c (expand_block_move, push_regs, sh_builtin_saveregs) (sh_output_mi_thunk): Likewise. * config/sh/sh.md: Likewise. * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS, FRAME_ADDR_RTX) (RETURN_ADDR_RTX, INCOMING_RETURN_ADDR_RTX): Likewise. * config/sparc/sparc.c (sparc_legitimize_pic_address) (sparc_emit_probe_stack_range, emit_save_or_restore_regs) (emit_window_save, sparc_flat_expand_prologue, sparc_struct_value_rtx) (emit_and_preserve): Likewise. * config/sparc/sparc.md: Likewise. * config/spu/spu.h (DYNAMIC_CHAIN_ADDRESS): Likewise. * config/spu/spu.c (spu_expand_insv, spu_machine_dependent_reorg) (spu_setup_incoming_varargs, ea_load_store_inline) (spu_expand_load): Likewise. * config/stormy16/stormy16.c (xstormy16_expand_prologue) (combine_bnp): Likewise. * config/tilegx/tilegx.h (DYNAMIC_CHAIN_ADDRESS): Likewise. * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs) (tilegx_expand_unaligned_load, tilegx_trampoline_init): Likewise. * config/tilepro/tilepro.h (DYNAMIC_CHAIN_ADDRESS): Likewise. * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs) (tilepro_expand_unaligned_load, tilepro_trampoline_init): Likewise. * config/v850/v850.c (expand_prologue, expand_epilogue): Likewise. * config/v850/v850.md: Likewise. * config/vax/elf.h (EH_RETURN_STACKADJ_RTX): Likewise. (EH_RETURN_HANDLER_RTX): Likewise. * config/vax/vax.h (DYNAMIC_CHAIN_ADDRESS, RETURN_ADDR_RTX): Likewise. * config/vax/vax.c (vax_add_reg_cfa_offset, vax_expand_prologue) (print_operand_address, vax_trampoline_init): Likewise. * config/xtensa/xtensa.c (xtensa_expand_prologue, xtensa_return_addr) (xtensa_function_value_regno_p): Likewise. From-SVN: r187199
2012-05-03builtins.c (get_object_alignment_1): Return whether we can determine the ↵Martin Jambor1-59/+95
alignment or conservatively assume byte... 2012-05-03 Martin Jambor <mjambor@suse.cz> * builtins.c (get_object_alignment_1): Return whether we can determine the alignment or conservatively assume byte alignment. Return the alignment by reference. Use get_pointer_alignment_1 for dereference alignment. (get_pointer_alignment_1): Return whether we can determine the alignment or conservatively assume byte alignment. Return the alignment by reference. Use get_ptr_info_alignment to get SSA name alignment. (get_object_alignment): Update call to get_object_alignment_1. (get_object_or_type_alignment): Likewise, fall back to type alignment only when it returned false. (get_pointer_alignment): Update call to get_pointer_alignment_1. * fold-const.c (get_pointer_modulus_and_residue): Update call to get_object_alignment_1. * ipa-prop.c (ipa_modify_call_arguments): Update call to get_pointer_alignment_1. * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type of MEM_REF or TARGET_MEM_REF only when it returns false. * tree-ssa-ccp.c (get_value_from_alignment): Update call to get_object_alignment_1. (ccp_finalize): Use set_ptr_info_alignment. * tree.h (get_object_alignment_1): Update declaration. (get_pointer_alignment_1): Likewise. * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment. (dump_gimple_stmt): Likewise. * tree-flow.h (ptr_info_def): Updated comments of fields align and misalign. (get_ptr_info_alignment): Declared. (mark_ptr_info_alignment_unknown): Likewise. (set_ptr_info_alignment): Likewise. (adjust_ptr_info_misalignment): Likewise. * tree-ssa-address.c (copy_ref_info): Use new access functions to get and set alignment of SSA names. * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call mark_ptr_info_alignment_unknown. * tree-ssanames.c (get_ptr_info_alignment): New function. (mark_ptr_info_alignment_unknown): Likewise. (set_ptr_info_alignment): Likewise. (adjust_ptr_info_misalignment): Likewise. (get_ptr_info): Call mark_ptr_info_alignment_unknown. * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Likewise. (bump_vector_ptr): Likewise. * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment. (vectorizable_store): Likewise. (vectorizable_load): Likewise. From-SVN: r187101
2012-05-02ChangeLog entry:Kirill Yukhin1-10/+25
* coretypes (MEMMODEL_MASK): New. * builtins.c (get_memmodel): Add val. Call target.memmodel_check and return new variable. (expand_builtin_atomic_exchange): Mask memmodel values. (expand_builtin_atomic_compare_exchange): Ditto. (expand_builtin_atomic_load): Ditto. (expand_builtin_atomic_store): Ditto. (expand_builtin_atomic_clear): Ditto. * doc/extend.texi: Mention port-dependent memory model flags. * config/i386/cpuid.h (bit_HLE): New. * config/i386/driver-i386.c (host_detect_local_cpu): Detect HLE support. * config/i386/i386-protos.h (ix86_generate_hle_prefix): New. * config/i386/i386-c.c (ix86_target_macros_internal): Set HLE defines. (ix86_target_string)<-mhle>: New. (ix86_valid_target_attribute_inner_p)<OPT_mhle>: Ditto. * config/i386/i386.c (ix86_target_string)<OPTION_MASK_ISA_HLE>: New. (ix86_valid_target_attribute_inner_p)<OPT_mhle>: Ditto. (ix86_option_override_internal)<PTA_HLE>: New switch, set it enabled for generic, generic64 and core-avx2. (ix86_print_operand): Generate HLE lock prefixes. (ix86_memmodel_check): New. (TARGET_MEMMODEL_CHECK): Ditto. * config/i386/i386.h (OPTION_ISA_HLE): Ditto. (IX86_HLE_ACQUIRE): Ditto. (IX86_HLE_RELEASE): Ditto. * config/i386/i386.h (ix86_generate_hle_prefix): Ditto. * config/i386/i386.opt (mhle): Ditto. * config/i386/sync.md(atomic_compare_and_swap<mode>): Pass success model to instruction emitter. (atomic_fetch_add<mode>): Ditto. (atomic_exchange<mode>): Ditto. (atomic_add<mode>): Ditto. (atomic_sub<mode>): Ditto. (atomic_<code><mode>): Ditto. (*atomic_compare_and_swap_doubledi_pic): Ditto. (atomic_compare_and_swap_single<mode>): Define and use argument for success model. (atomic_compare_and_swap_double<mode>): Ditto. * configure.ac: Check if assembler support HLE prefixes. * configure: Regenerate. * config.in: Ditto. testsuite/ChangeLog entry: * gcc.target/i386/hle-cmpxchg-acq-1.c: New. * gcc.target/i386/hle-cmpxchg-rel-1.c: Ditto. * gcc.target/i386/hle-add-acq-1.c: Ditto. * gcc.target/i386/hle-add-rel-1.c: Ditto. * gcc.target/i386/hle-and-acq-1.c: Ditto. * gcc.target/i386/hle-and-rel-1.c: Ditto. * gcc.target/i386/hle-or-acq-1.c: Ditto. * gcc.target/i386/hle-or-rel-1.c: Ditto. * gcc.target/i386/hle-sub-acq-1.c: Ditto. * gcc.target/i386/hle-sub-rel-1.c: Ditto. * gcc.target/i386/hle-xadd-acq-1.c: Ditto. * gcc.target/i386/hle-xadd-rel-1.c: Ditto. * gcc.target/i386/hle-xchg-acq-1.c: Ditto. * gcc.target/i386/hle-xchg-rel-1.c: Ditto. * gcc.target/i386/hle-xor-acq-1.c: Ditto. * gcc.target/i386/hle-xor-rel-1.c: Ditto. Co-Authored-By: Andi Kleen <ak@linux.intel.com> From-SVN: r187051
2012-04-30Add -Wvarargs optionDodji Seketeli1-4/+4
Several warnings related to questionable usage cases of variadic function related macros (like va_start) could not be controlled by any warning-related macro. Fixed thus, by introducing the -Wvarargs option. Tested on x86_64-unknown-linux-gnu against trunk. gcc/c-family/ * c.opt (Wvarargs): Define new option. gcc/ * builtins.c (fold_builtin_next_arg): Use OPT_Wvarargs as an argument for the various warning_at calls. gcc/doc/ * invoke.texi: Update the documentation. gcc/testsuite/ * c-c++-common/Wvarargs.c: New test case. * c-c++-common/Wvarargs-2.c: Likewise. From-SVN: r186978
2012-04-30Fix va_start related locationDodji Seketeli1-4/+19
In gcc/testsuite/gcc.dg/pr30457.c, the first warning was not being emitted because the relevant location was inside the var_start macro defined in a system header. It can even point to a token for a builtin macro there. This patch unwinds to the first token in real source code in that case. Tested on x86_64-unknown-linux-gnu against trunk. * builtins.c (fold_builtin_next_arg): Unwinds to the first location in real source code. From-SVN: r186975
2012-04-11re PR target/52624 (missing __builtin_bswap16)Eric Botcazou1-15/+23
PR target/52624 * doc/extend.texi (Other Builtins): Document __builtin_bswap16. (PowerPC AltiVec/VSX Built-in Functions): Remove it. * doc/md.texi (Standard Names): Add bswap. * builtin-types.def (BT_UINT16): New primitive type. (BT_FN_UINT16_UINT16): New function type. * builtins.def (BUILT_IN_BSWAP16): New. * builtins.c (expand_builtin_bswap): Add TARGET_MODE argument. (expand_builtin) <BUILT_IN_BSWAP16>: New case. Pass TARGET_MODE to expand_builtin_bswap. (fold_builtin_bswap): Add BUILT_IN_BSWAP16 case. (fold_builtin_1): Likewise. (is_inexpensive_builtin): Likewise. * optabs.c (expand_unop): Deal with bswap in HImode specially. Add missing bits for bswap to libcall code. * tree.c (build_common_tree_nodes): Build uint16_type_node. * tree.h (enum tree_index): Add TI_UINT16_TYPE. (uint16_type_node): New define. * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete. * config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of above builtin. (rs6000_init_builtins): Likewise. * config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate. c-family/ * c-common.h (uint16_type_node): Rename into... (c_uint16_type_node): ...this. * c-common.c (c_common_nodes_and_builtins): Adjust for above renaming. * c-cppbuiltin.c (builtin_define_stdint_macros): Likewise. From-SVN: r186308
2012-03-19builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of ↵Uros Bizjak1-3/+3
copy_to_mode_reg (Pmode, ...). * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of copy_to_mode_reg (Pmode, ...). (expand_builtin_frame_address): Ditto. * expr.c (emit_block_move_via_libcall): Ditto. (set_storage_via_libcall): Ditto. * config/i386/i386.c (ix86_expand_movmem): Ditto. (ix86_expand_setmem): Ditto. (ix86_trampoline_init): DItto. * config/i386/i386.md (cmpstrnsi): Ditto. (allocate_stack): Ditto. From-SVN: r185541
2012-03-15re PR middle-end/52592 (compilation failure with undefined reference to ↵Jakub Jelinek1-23/+52
`__builtin_iround') PR middle-end/52592 * builtins.c (expand_builtin_int_roundingfn_2): If expanding BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}* calls instead of __builtin_ir{int,ound}*. * gcc.dg/pr52592.c: New test. Co-Authored-By: Andrew Pinski <apinski@cavium.com> From-SVN: r185431
2012-02-10re PR middle-end/52177 (ICE: verify_gimple failed: non-trivial conversion at ↵Jakub Jelinek1-7/+7
assignment with __atomic_is_lock_free()) PR middle-end/52177 * builtins.c (fold_builtin_atomic_always_lock_free, expand_builtin_atomic_always_lock_free, fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free): Return and/or test boolean_true_node/boolean_false_node instead of integer_one_node/integer_zero_node. * c-c++-common/pr52177.c: New test. From-SVN: r184096
2012-02-09re PR middle-end/51867 (GCC generates inconsistent code for same sources ↵Bin Cheng1-1/+0
calling builtin calls, like sqrtf) PR target/51867 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P. PR target/51867 * testsuite/c-c++-common/dfp/signbit-2.c: Change '-O0' to '-O1'. * testsuite/gcc.dg/pr51867.c: New test. From-SVN: r184037
2012-01-27compiler: Use new __builtin_init_heap_trampoline.Ian Lance Taylor1-10/+18
PR go/47656 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define. * builtins.c (expand_builtin_init_trampoline): Add onstack parameter. Change caller. (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE. * tree.c (build_common_builtin_nodes): Declare __builtin_init_heap_trampoline. From-SVN: r183650
2012-01-25tree.h (get_pointer_alignment_1): Declare.Richard Guenther1-14/+36
2012-01-25 Richard Guenther <rguenther@suse.de> * tree.h (get_pointer_alignment_1): Declare. * builtins.c (get_pointer_alignment_1): New function. (get_pointer_alignment): Use it. From-SVN: r183514
2011-12-15builtins.def (BUILT_IN_STPNCPY_CHK): New definition.Romain Geissler1-7/+23
* builtins.def (BUILT_IN_STPNCPY_CHK): New definition. * builtins.c (expand_builtin, fold_builtin_4, maybe_emit_chk_warning): Add BUILT_IN_STPNCPY_CHK case. * gimple-fold.c (gimple_fold_builtin): Likewise. * tree-object-size.c (pass_through_call): Likewise. * tree-ssa-alias.c (ref_maybe_used_by_call_p_1, call_may_clobber_ref_p_1): Likewise. * tree-ssa-structalias.c (find_func_aliases_for_builtin_call, find_func_clobbers): Likewise. * tree.h (fold_builtin_strncpy_chk): Rename to fold_builtin_stxncpy_chk * builtins.c (fold_builtin_strncpy_chk): Likewise. Rewrite stpncpy_chk calls to strncpy_chk calls if returned value is ignored. * gcc.c-torture/execute/builtins/chk.h (stpncpy, stpncpy_disallowed): New definitions. * gcc.c-torture/execute/builtins/lib/chk.c (stpncpy_disallowed): Likewise. (stpncpy, __stpncpy_chk): New functions. * gcc.c-torture/execute/builtins/stpncpy-chk-lib.c: New file. * gcc.c-torture/execute/builtins/stpncpy-chk.c: Likewise. From-SVN: r182378
2011-12-08re PR tree-optimization/51315 (unaligned memory accesses generated with ↵Eric Botcazou1-0/+25
-ftree-sra) PR tree-optimization/51315 * tree.h (get_object_or_type_alignment): Declare. * expr.c (get_object_or_type_alignment): Move to... * builtins.c (get_object_or_type_alignment): ...here. Add assertion. * tree-sra.c (tree_non_mode_aligned_mem_p): Rename to... (tree_non_aligned_mem_p): ...this. Add ALIGN parameter. Look into MEM_REFs and use get_object_or_type_alignment for them. (build_accesses_from_assign): Adjust for above change. (access_precludes_ipa_sra_p): Likewise. From-SVN: r182102
2011-12-05cgraph.c (cgraph_create_edge_1): Initialize call_stmt_cannot_inline_p from ↵Richard Guenther1-2/+2
the stmt if possible. 2011-12-05 Richard Guenther <rguenther@suse.de> * cgraph.c (cgraph_create_edge_1): Initialize call_stmt_cannot_inline_p from the stmt if possible. (cgraph_make_edge_direct): Likewise. * gimple-streamer-in.c (input_gimple_stmt): Do not call gimple_call_set_cannot_inline. * gimple.h (enum gf_mask): Remove GF_CALL_CANNOT_INLINE, shift values. (gimple_call_set_cannot_inline): Remove. (gimple_call_cannot_inline_p): Likewise. * ipa-inline-analysis.c (initialize_inline_failed): Look at the edge call_stmt_cannot_inline_p flag. * ipa-inline.c (can_inline_edge_p): Likewise. (early_inliner): Only update the edge flag. * ipa-prop.c (update_indirect_edges_after_inlining): Likewise. (ipa_modify_call_arguments): Do not call gimple_call_set_cannot_inline. * cgraphunit.c (assemble_thunk): Likewise. * gimple-fold.c (gimple_fold_call): Likewise. * tree.h (CALL_CANNOT_INLINE_P): Remove. * tree-mudflap.c (mf_xform_statements): Do not modify alloca calls. * builtins.c (expand_builtin_alloca): With -fmudflap do not expand alloca calls inline. * cfgexpand.c (expand_call_stmt): Do not set CALL_CANNOT_INLINE_P. * gimple.c (gimple_build_call_from_tree): Do not read CALL_CANNOT_INLINE_P. * gimplify.c (gimplify_call_expr): Do not copy CALL_CANNOT_INLINE_P. From-SVN: r182001
2011-11-25re PR other/51011 (FAIL: gcc.dg/atomic-generic.c (test for excess errors))Andrew MacLeod1-1/+1
2011-11-24 Andrew MacLeod <amacleod@redhat.com> PR other/51011 * tree.h (is_builtin_name): No longer external. * builtins.c (is_builtin_name): Make static. * varasm.c (incorporeal_function_p): __sync and __atomic external calls are not incorporeal and may need asm label processing. From-SVN: r181721
2011-11-24optab.c (maybe_emit_atomic_exchange): New.Andrew MacLeod1-19/+17
2011-11-24 Andrew MacLeod <amacleod@redhat.com> * optab.c (maybe_emit_atomic_exchange): New. Try to emit an atomic_exchange pattern. (maybe_emit_sync_lock_test_and_set): New. Try to emit an exchange using __sync_lock_test_and_set. (maybe_emit_compare_and_swap_exchange_loop): New. Try to emit an exchange using a compare_and_swap loop. (expand_sync_lock_test_and_set): New. Expand sync_lock_test_and_set. (expand_atomic_test_and_set): New. Expand test_and_set operation. (expand_atomic_exchange): Use new maybe_emit_* functions. (expand_atomic_store): Use new maybe_emit_* functions. * builtins.c (expand_builtin_sync_lock_test_and_set): Call expand_sync_lock_test_and_set routine. (expand_builtin_atomic_exchange): Remove parameter from call. (expand_builtin_atomic_clear): Use atomic_clear pattern if present. (expand_builtin_atomic_test_and_set): Add target and simply call expand_atomic_test_and_set. (expand_builtin): Add target to expand_builtin_atomic_test_and_set. * expr.h (expand_atomic_exchange): Add parameter. (expand_sync_lock_test_and_set): New prototype. (expand_atomic_test_and_set, expand_atomic_clear): New prototypes. From-SVN: r181702
2011-11-17builtins.c (expand_builtin): Remove 4th parameter representing weak/strong ↵Andrew MacLeod1-6/+22
mode when... 2011-11-17 Andrew MacLeod <amacleod@redhat.com> * builtins.c (expand_builtin): Remove 4th parameter representing weak/strong mode when __atomic_compare_exchange becomes a library call. * gcc.dg/atomic-generic-aux.c (__atomic_compare_exchange): Fail if memory model parameters don't match expected values. * gcc.dg/atomic-generic.c: Pass specific memory model parameters to __atomic_compare_exchange. * gcc.dg/atomic-noinline.c: Pass specific memory model parameters to __atomic_compare_exchange_n. * gcc.dg/atomic-noinline-aux.c (__atomic_compare_exchange_2): Remove weak/strong parameter and fail if memory models aren't correct. From-SVN: r181453
2011-11-17Unify implementations of __builtin_mem_*_fence and __sync_synchronize.Richard Henderson1-86/+5
* builtins.c (expand_builtin_mem_thread_fence): Remove. (expand_builtin_mem_signal_fence): Remove. (expand_builtin_atomic_thread_fence): Use expand_mem_thread_fence. (expand_builtin_sync_synchronize): Likewise. (expand_builtin_atomic_signal_fence): Use expand_mem_signal_fence. * optabs.c (expand_asm_memory_barrier): Split out from expand_builtin_mem_signal_fence. (expand_mem_thread_fence): New, a combination of code from expand_builtin_mem_thread_fence and expand_builtin_sync_synchronize. (expand_mem_signal_fence): Moved and renamed from expand_builtin_mem_signal_fence. (expand_atomic_exchange): Use expand_mem_thread_fence. (expand_atomic_load, expand_atomic_store): Likewise. * expr.h, optabs.h: Update decls. From-SVN: r181451
2011-11-12builtins.c (expand_builtin_compare_and_swap): If target is const0, don't ↵Richard Henderson1-8/+15
pass the target to expand_atomic_compare_and_swap. * builtins.c (expand_builtin_compare_and_swap): If target is const0, don't pass the target to expand_atomic_compare_and_swap. (expand_builtin_atomic_compare_exchange): Likewise. From-SVN: r181323
2011-11-10re PR middle-end/51038 (29_atomics/atomic_flag/clear/1.cc ↵Andrew MacLeod1-0/+71
test_and_set/explicit.cc implicit.cc) PR middle-end/51038 libstdc++-v3 * include/bits/atomic_base.h (atomic_thread_fence): Call built-in. (atomic_signal_fence): Call built-in. (test_and_set, clear): Call new atomic built-ins. gcc * builtins.c (expand_builtin_atomic_clear): New. Expand atomic_clear. (expand_builtin_atomic_test_and_set): New. Expand atomic test_and_set. (expand_builtin): Add cases for test_and_set and clear. * sync-builtins.def (BUILT_IN_ATOMIC_TEST_AND_SET): New. (BUILT_IN_ATOMIC_CLEAR): New. testsuite * gcc.dg/atomic-invalid.c: Add test for invalid __atomic_clear models. * gcc.dg/atomic-flag.c: New. Test __atomic_test_and_set and __atomic_clear. From-SVN: r181271
2011-11-10re PR rtl-optimization/51040 (ICE: RTL check: access of elt 1 of 'not' with ↵Andrew MacLeod1-2/+11
last elt 0 in gen_rtx_fmt_ee_stat, at ./genrtl.h:33 with __atomic_nand_fetch()) PR rtl-optimization/51040 * optabs.c (expand_atomic_fetch_op): Patchup code for NAND should be AND followed by NOT. * builtins.c (expand_builtin_atomic_fetch_op): Patchup code for NAND should be AND followed by NOT. * testsuite/gcc.dg/atomic-noinline[-aux].c: Test no-inline NAND and patchup code. From-SVN: r181259
2011-11-07Allow libcalls to be installed for legacy __sync optabs.Richard Henderson1-1/+1
This allows a target which implements the __sync interfaces in libgcc to continue to use them transparently with the new __atomic builtins. It is assumed that these libgcc routines DO NOT use spinlocks. This is true of all extant libgcc instances. * optabs.h (OTI_sync_compare_and_swap, OTI_sync_lock_test_and_set, OTI_sync_old_add, OTI_sync_old_sub, OTI_sync_old_ior, OTI_sync_old_and, OTI_sync_old_xor, OTI_sync_old_nand, OTI_sync_new_add, OTI_sync_new_sub, OTI_sync_new_ior, OTI_sync_new_and, OTI_sync_new_xor, OTI_sync_new_nand): Move and rename from the direct_optab_index enum. (sync_compare_and_swap_optab, sync_lock_test_and_set_optab, sync_old_add_optab, sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab, sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab, sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab, sync_new_xor_optab, sync_new_nand_optab): Read from the optab_table, not the direct_optab_table. (init_sync_libfuncs): Declare. (can_compare_and_swap_p): Update parameters. * optabs.c (init_sync_libfuncs_1, init_sync_libfuncs): New. (can_compare_and_swap_p): Add allow_libcall parameter; if true, test for the legacy compare-and-swap libcall. (expand_atomic_exchange): Use the legacy test-and-set libcall. (expand_atomic_compare_and_swap): Use the legacy CAS libcall. (struct atomic_op_functions): Update for optab type changes. (maybe_emit_op): Likewise. (expand_atomic_fetch_op): Use the legacy fetch-op libcalls. * builtins.c (fold_builtin_atomic_always_lock_free): Update call to can_compare_and_swap_p. * omp-low.c (expand_omp_atomic_fetch_op): Likewise. (expand_omp_atomic_pipeline): Likewise. * genopinit.c (optabs): Make sync_old_*_optab, sync_new_*_optab, sync_compare_and_swap_optab, sync_lock_test_and_set_optab regular optabs. From-SVN: r181134
2011-11-07atomic_base.h (atomic_thread_fence): Call builtin.Andrew MacLeod1-4/+4
2011-11-07 Andrew MacLeod <amacleod@redhat.com> libstdc++-v3 * include/bits/atomic_base.h (atomic_thread_fence): Call builtin. (atomic_signal_fence): Call builtin. (atomic_flag::test_and_set): Call __atomic_exchange when it is lockfree, otherwise fall back to call __sync_lock_test_and_set. (atomic_flag::clear): Call __atomic_store when it is lockfree, otherwise fall back to call __sync_lock_release. gcc * doc/extend.texi: Docuemnt behaviour change for __atomic_exchange and __atomic_store. * optabs.c (expand_atomic_exchange): Expand to __sync_lock_test_and_set only when originated from that builtin. (expand_atomic_store): Expand to __sync_lock_release when originated from that builtin. * builtins.c (expand_builtin_sync_lock_test_and_set): Add flag that expand_atomic_exchange call originated from here. (expand_builtin_sync_lock_release): Add flag that expand_atomic_store call originated from here. (expand_builtin_atomic_exchange): Add origination flag. (expand_builtin_atomic_store): Add origination flag. * expr.h (expand_atomic_exchange, expand_atomic_store): Add boolean parameters to indicate implementation fall back options. From-SVN: r181111
2011-11-06Check in patch/merge from cxx-mem-model BranchAndrew Macleod1-100/+735
From-SVN: r181031
2011-11-02re PR c++/50956 (-Wcast-qual does not work)Paolo Carlini1-1/+1
2011-11-02 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50956 * builtins.c (fold_builtin_memchr): Fix cast. /cp 2011-11-02 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50956 * typeck.c (build_const_cast_1): Fix -Wcast-qual for false comp_ptr_ttypes_const. /testsuite 2011-11-02 Paolo Carlini <paolo.carlini@oracle.com> PR c++/50956 * g++.dg/warn/Wcast-qual2.C: New. From-SVN: r180786
2011-10-24Remove extra newline added in October 11 changeMichael Meissner1-2/+1
From-SVN: r180408
2011-10-11Convert standard builtin functions from being arrays to using a functional ↵Michael Meissner1-92/+94
interface From-SVN: r179820
2011-10-07re PR middle-end/50527 (inconsistent vla align)Tom de Vries1-3/+19
2011-10-07 Tom de Vries <tom@codesourcery.com> PR middle-end/50527 * tree.c (build_common_builtin_nodes): Add local_define_builtin for BUILT_IN_ALLOCA_WITH_ALIGN. Mark that BUILT_IN_ALLOCA_WITH_ALIGN can throw. * builtins.c (expand_builtin_alloca): Handle BUILT_IN_ALLOCA_WITH_ALIGN arglist. Set align for BUILT_IN_ALLOCA_WITH_ALIGN. (expand_builtin): Handle BUILT_IN_ALLOCA_WITH_ALIGN. (is_inexpensive_builtin): Handle BUILT_IN_ALLOCA_WITH_ALIGN. * tree-ssa-ccp.c (evaluate_stmt): Set align for BUILT_IN_ALLOCA_WITH_ALIGN. (fold_builtin_alloca_for_var): Rename to ... (fold_builtin_alloca_with_align): Set DECL_ALIGN from 2nd BUILT_IN_ALLOCA_WITH_ALIGN argument. (ccp_fold_stmt): Try folding BUILT_IN_ALLOCA_WITH_ALIGN using fold_builtin_alloca_with_align. (optimize_stack_restore): Handle BUILT_IN_ALLOCA_WITH_ALIGN. * builtins.def (BUILT_IN_ALLOCA_WITH_ALIGN): Declare using DEF_BUILTIN_STUB. * ipa-pure-const.c (special_builtin_state): Handle BUILT_IN_ALLOCA_WITH_ALIGN. * tree-ssa-alias.c (ref_maybe_used_by_call_p_1) (call_may_clobber_ref_p_1): Same. * function.c (gimplify_parameters): Lower vla to BUILT_IN_ALLOCA_WITH_ALIGN. * gimplify.c (gimplify_vla_decl): Same. * cfgexpand.c (expand_call_stmt): Handle BUILT_IN_ALLOCA_WITH_ALIGN. * tree-mudflap.c (mf_xform_statements): Same. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary) (mark_all_reaching_defs_necessary_1, propagate_necessity): Same. * varasm.c (incorporeal_function_p): Same. * tree-object-size.c (alloc_object_size): Same. * gimple.c (gimple_build_call_from_tree): Same. From-SVN: r179655
2011-10-06tree.h (avoid_folding_inline_builtin): New prototype.Jakub Jelinek1-1/+1
* tree.h (avoid_folding_inline_builtin): New prototype. * builtins.c (avoid_folding_inline_builtin): No longer static. * gimple-fold.c (gimple_fold_builtin): Give up if avoid_folding_inline_builtin returns true. From-SVN: r179614
2011-10-04re PR middle-end/50604 (verify_gimple failed: type mismatch in binary ↵Jakub Jelinek1-3/+10
expression) PR tree-optimization/50604 * builtins.c (fold_builtin_strcpy, fold_builtin_stpcpy, fold_builtin_strncpy, fold_builtin_stxcpy_chk): Ensure last argument to memcpy has size_type_node type instead of ssizetype. * tree-ssa-strlen.c (handle_builtin_memcpy): Use size_type_node instead of TREE_TYPE (len) as type for newlen. * gcc.dg/pr50604.c: New test. From-SVN: r179508
2011-08-23re PR middle-end/38509 (Bogus "attempt to free a non-heap object" warning)Mark Heffernan1-5/+6
2011-08-23 Mark Heffernan <meheff@google.com> PR middle-end/38509 * common.opt (Wfree-nonheap-object): New option. * doc/invoke.texi (Warning options): Document -Wfree-nonheap-object. * builtins.c (maybe_emit_free_warning): Add OPT_Wfree_nonheap_object to warning. (expand_builtin): Make warning conditional. From-SVN: r178004
2011-08-17tree.h (convert_to_ptrofftype_loc): New function.Richard Guenther1-6/+6
2011-08-17 Richard Guenther <rguenther@suse.de> * tree.h (convert_to_ptrofftype_loc): New function. (convert_to_ptrofftype): Define. * builtins.c (expand_builtin_bzero): Use size_type_node. (fold_builtin_bzero): Likewise. (std_gimplify_va_arg_expr): Build the BIT_AND_EXPR on the pointer. * c-typeck.c (build_unary_op): Use convert_to_ptrofftype_loc. * cgraphunit.c (thunk_adjust): Use fold_build_pointer_plus_loc. (cgraph_redirect_edge_call_stmt_to_callee): Use size_int. * expr.c (expand_expr_addr_expr_1): Use fold_build_pointer_plus. * fold-const.c (build_range_check): Negate using the original type. (fold_unary_loc): Use fold_build_pointer_plus_loc. * gimple-fold.c (gimple_adjust_this_by_delta): Use convert_to_ptrofftype. * gimplify.c (gimplify_self_mod_expr): Likewise. * graphite-clast-to-gimple.c (clast_to_gcc_expression): Likewise. (graphite_create_new_loop_guard): Likewise. * graphite-sese-to-poly.c (my_long_long): Remove. (scop_ivs_can_be_represented): Adjust. * tree-cfg.c (verify_gimple_assign_unary): Use ptrofftype_p. * tree-chrec.c (chrec_fold_plus_1): Use fold_build_pointer_plus. * tree-loop-distribution.c (build_size_arg_loc): Use size_type_node. (generate_memset_zero): Simplify. * tree-mudflap.c: Use fold_convert, not convert. * tree-predcom.c (suitable_reference_p): Expand DR_OFFSET in its own type. (determine_offset): Likewise for DR_STEP. (valid_initializer_p): Likewise. * tree-profile.c (prepare_instrumented_value): Convert the pointer to an integer type of same size. * tree-scalar-evolution.c (interpret_rhs_expr): Do not refer to sizetype without need. * tree-ssa-address.c (tree_mem_ref_addr): Likewise. * tree-ssa-loop-ivopts.c (find_bivs): Use convert_to_ptrofftype. * tree-ssa-loop-manip.c (create_iv): Likewise. (determine_exit_conditions): Adjust comment. * tree-ssa-pre.c (create_expression_by_pieces): Use convert_to_ptrofftype. * tree-ssa-structalias.c (get_constraint_for_1): Likewise. * varasm.c (array_size_for_constructor): Compute using double_ints. From-SVN: r177828
2011-08-15re PR debug/50006 (ICE in in connect_traces, at dwarf2cfi.c:2677)Richard Henderson1-0/+1
PR middle-end/50006 * explow.c (allocate_dynamic_stack_space): Move suppress_reg_args_size setting out to include allocate_stack named pattern as well. * builtins.c (expand_builtin_apply): Add ARG_SIZE 0 note. * stmt.c (expand_stack_restore): Likewise. From-SVN: r177764
2011-08-12builtins.c (expand_builtin_memcmp): Do not use cmpstrnsi pattern.Nick Clifton1-20/+8
* builtins.c (expand_builtin_memcmp): Do not use cmpstrnsi pattern. * doc/md.texi (cmpstrn): Note that the comparison stops if both fetched bytes are zero. (cmpstr): Likewise. (cmpmem): Note that the comparison does not stop if both of the fetched bytes are zero. From-SVN: r177701
2011-08-12builtins.def (BUILT_IN_ICEIL{,F,L}, [...]): New builtin definitions.Uros Bizjak1-0/+63
* builtins.def (BUILT_IN_ICEIL{,F,L}, BUILT_IN_IFLOOR{,F,L} BUILT_IN_IRINT{,F,L}, BUILT_IN_IROUND{,F,L}: New builtin definitions. * convert.c (convert_to_integer): Convert to BUILT_IN_ICEIL, BUILT_IN_IFLOOR, BUILT_IN_IRINT or BUILT_INT_IROUND when converting to integer_type_node. * fold-const.c (tree_call_nonnegative_warnv_p): Handle BUILT_IN_ICEIL, BUILT_IN_IFLOOR, BUILT_IN_IRINT and BUILT_INT_IROUND. * builtins.c (expand_builtin_in): Ditto. (mathfn_built_in_1): Ditto. (expand_builtin_int_roundingfn): Handle BUILT_IN_ICEIL and BUILT_IN_IFLOOR. (expand_builtin_int_roundingfn_2): Handle BUILT_IN_IRINT and BUILT_IN_IROUND. (fold_fixed_mathfn): Canonicalize BUILT_IN_ICEIL, BUILTIN_IN_IFLOOR BUILT_IN_IRINT and BUILT_IN_IROUND to BUILT_IN_LCEIL, BUILTIN_IN_LFLOOR, BUILT_IN_LRINT and BUILT_IN_LROUND on ILP32 targets. testsuite/ChangeLog: * gcc.dg/builtins-67.c: New test. * gcc.target/i386/conversion.c: Ditto. From-SVN: r177694
2011-08-10tree.h (can_trust_pointer_alignment): Remove.Richard Guenther1-10/+0
2011-08-10 Richard Guenther <rguenther@suse.de> * tree.h (can_trust_pointer_alignment): Remove. * builtins.c (can_trust_pointer_alignment): Remove. cp/ * call.c (build_over_call): Call memcpy unconditionally. From-SVN: r177625
2011-08-10tree.h (get_pointer_alignment): Remove max-align argument.Richard Guenther1-43/+29
2011-08-10 Richard Guenther <rguenther@suse.de> * tree.h (get_pointer_alignment): Remove max-align argument. (get_object_alignment): Likewise. * builtins.c (get_object_alignment_1): Adjust. (get_object_alignment): Remove max-align argument. (get_pointer_alignment): Likewise. (expand_builtin_strlen): Adjust. (expand_builtin_memcpy): Likewise. (expand_builtin_mempcpy_args): Likewise. (expand_builtin_strncpy): Likewise. (expand_builtin_memset_args): Likewise. (expand_builtin_memcmp): Likewise. (expand_builtin_strcmp): Likewise. (expand_builtin_strncmp): Likewise. (get_builtin_sync_mem): Likewise. (fold_builtin_memset): Likewise. (fold_builtin_memory_op): Likewise. (expand_builtin_memory_chk): Likewise. * emit-rtl.c (get_mem_align_offset): Likewise. (set_mem_attributes_minus_bitpos): Likewise. * expr.c (expand_assignment): Likewise. (expand_expr_real_1): Likewise. * tree-sra.c (tree_non_mode_aligned_mem_p): Likewise. * tree-ssa-forwprop.c (simplify_builtin_call): Likewise. * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Likewise. * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise. * value-prof.c (gimple_stringops_transform): Likewise. From-SVN: r177620
2011-07-29builtins.c (fold_builtin_signbit): Build the comparison with a proper type.Richard Guenther1-2/+3
2011-07-29 Richard Guenther <rguenther@suse.de> * builtins.c (fold_builtin_signbit): Build the comparison with a proper type. From-SVN: r176922
2011-07-20builtins.c (fold_builtin_expect): See through the cast from ↵Kai Tietz1-12/+14
truthvalue_type_node to long. 2011-07-20 Kai Tietz <ktietz@redhat.com> * builtins.c (fold_builtin_expect): See through the cast from truthvalue_type_node to long. From-SVN: r176526
2011-07-19rtl.texi (MEM_OFFSET_KNOWN_P): Document.Richard Sandiford1-4/+6
gcc/ * doc/rtl.texi (MEM_OFFSET_KNOWN_P): Document. (MEM_OFFSET): Change from returning an rtx to returning a HOST_WIDE_INT. * rtl.h (MEM_OFFSET_KNOWN_P): New macro. (MEM_OFFSET): Return a HOST_WIDE_INT rather than an rtx. * emit-rtl.h (set_mem_offset): Take a HOST_WIDE_INT rather than an rtx. (clear_mem_offset): Declare. * alias.c (ao_ref_from_mem): Adjust uses of MEM_OFFSET, using MEM_OFFSET_KNOWN_P to test whether the offset is known, and MEM_OFFSET to get a HOST_WIDE_INT offset. (nonoverlapping_memrefs_p): Likewise. Adjust calls to... (adjust_offset_for_component_ref): Take a bool "known_p" parameter and a HOST_WIDE_INT "offset" parameter. * builtins.c (get_memory_rtx): As for ao_ref_from_mem. Adjust calls to set_mem_offset, passing a HOST_WIDE_INT rather than an rtx. Use clear_mem_offset to clear the offset. * cfgcleanup.c (merge_memattrs): Likewise. * dwarf2out.c (tls_mem_loc_descriptor): Likewise. * function.c (assign_parm_find_stack_rtl): Likewise. (assign_parm_setup_stack): Likewise. * print-rtl.c (print_rtx): Likewise. * reload.c (find_reloads_subreg_address): Likewise. * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise. * var-tracking.c (INT_MEM_OFFSET): Likewise. * emit-rtl.c (set_reg_attrs_from_value): Likewise. (get_mem_align_offset): Likewise. (set_mem_offset): Take a HOST_WIDE_INT rather than an rtx. (clear_mem_offset): New function. * config/mips/mips.c (r10k_safe_mem_expr_p): Take a HOST_WIDE_INT offset rather than an rtx. Assume both the expressio and offset are available. (r10k_needs_protection_p_1): Update accordingly, checking the expression and offset availability here instead. From-SVN: r176477
2011-07-19rtl.texi (MEM_SIZE_KNOWN_P): Document.Richard Sandiford1-4/+4
gcc/ * doc/rtl.texi (MEM_SIZE_KNOWN_P): Document. (MEM_SIZE): Change from returning an rtx to returning a HOST_WIDE_INT. * rtl.h (MEM_SIZE_KNOWN_P): New macro. (MEM_SIZE): Return a HOST_WIDE_INT rather than an rtx. * emit-rtl.h (set_mem_size): Take a HOST_WIDE_INT rather than an rtx. (clear_mem_size): Declare. * emit-rtl.c (set_mem_size): Take a HOST_WIDE_INT rather than an rtx. (clear_mem_size): New function. * alias.c (ao_ref_from_mem): Adjust uses of MEM_SIZE, using MEM_SIZE_KNOWN_P to test whether the size is known, and MEM_SIZE to get a HOST_WIDE_INT size. Adjust calls to set_mem_size, passing a HOST_WIDE_INT rather than an rtx. Use clear_mem_size to clear the size. (nonoverlapping_memrefs_p): Likewise. * builtins.c (get_memory_rtx, expand_builtin_memcmp): Likewise. (expand_builtin_init_trampoline): Likewise. * calls.c (compute_argument_addresses): Likewise. * cfgcleanup.c (merge_memattrs): Likewise. * dce.c (find_call_stack_args): Likewise. * dse.c (record_store, scan_insn): Likewise. * dwarf2out.c (dw_sra_loc_expr): Likewise. * expr.c (emit_block_move_hints): Likewise. * function.c (assign_parm_find_stack_rtl): Likewise. * print-rtl.c (print_rtx): Likewise. * reload.c (find_reloads_subreg_address): Likewise. * rtlanal.c (may_trap_p_1): Likewise. * var-tracking.c (track_expr_p): Likewise. * varasm.c (assemble_trampoline_template): Likewise. * config/arm/arm.c (arm_print_operand): Likewise. * config/h8300/h8300.c (h8sx_emit_movmd): Likewise. * config/i386/i386.c (expand_movmem_via_rep_mov): Likewise. (expand_setmem_via_rep_stos, expand_constant_movmem_prologue) (expand_constant_setmem_prologue): Likewise. * config/mips/mips.c (mips_get_unaligned_mem): Likewise. * config/rs6000/rs6000.c (expand_block_move): Likewise. (adjacent_mem_locations): Likewise. * config/s390/s390.c (s390_expand_setmem): Likewise. (s390_expand_insv): Likewise. * config/s390/s390.md (*extzv<mode>, *extv<mode>): Likewise. (*extendqi<mode>2_short_displ): Likewise. * config/sh/sh.c (expand_block_move): Likewise. * config/sh/sh.md (extv, extzv): Likewise. From-SVN: r176476
2011-07-19tree.h (fold_build_pointer_plus_loc): New helper function.Richard Guenther1-25/+13
2011-07-19 Richard Guenther <rguenther@suse.de> * tree.h (fold_build_pointer_plus_loc): New helper function. (fold_build_pointer_plus_hwi_loc): Likewise. (fold_build_pointer_plus): Define. (fold_build_pointer_plus_hwi): Likewise. * builtins.c (std_gimplify_va_arg_expr): Use fold_build_pointer_plus. (fold_builtin_memory_op): Likewise. (fold_builtin_stpcpy): Likewise. (fold_builtin_memchr): Likewise. (fold_builtin_strstr): Likewise. (fold_builtin_strchr): Likewise. (fold_builtin_strrchr): Likewise. (fold_builtin_strpbrk): Likewise. (fold_builtin_strcat): Likewise. (expand_builtin_memory_chk): Likewise. (fold_builtin_memory_chk): Likewise. * c-typeck.c (build_unary_op): Likewise. * cgraphunit.c (thunk_adjust): Likewise. * fold-const.c (build_range_check): Likewise. (fold_binary_loc): Likewise. * omp-low.c (extract_omp_for_data): Likewise. (expand_omp_for_generic): Likewise. (expand_omp_for_static_nochunk): Likewise. (expand_omp_for_static_chunk): Likewise. * tree-affine.c (add_elt_to_tree): Likewise. * tree-data-ref.c (split_constant_offset_1): Likewise. * tree-loop-distribution.c (generate_memset_zero): Likewise. * tree-mudflap.c (mf_xform_derefs_1): Likewise. * tree-predcom.c (ref_at_iteration): Likewise. * tree-ssa-address.c (tree_mem_ref_addr): Likewise. (add_to_parts): Likewise. (create_mem_ref): Likewise. * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise. * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Likewise. (number_of_iterations_le): Likewise. * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Likewise. * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise. (vect_create_addr_base_for_vector_ref): Likewise. * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Likewise. (vect_create_cond_for_alias_checks): Likewise. * tree-vrp.c (extract_range_from_assert): Likewise. * config/alpha/alpha.c (alpha_va_start): Likewise. (alpha_gimplify_va_arg_1): Likewise. * config/i386/i386.c (ix86_va_start): Likewise. (ix86_gimplify_va_arg): Likewise. * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise. * config/mep/mep.c (mep_expand_va_start): Likewise. (mep_gimplify_va_arg_expr): Likewise. * config/mips/mips.c (mips_va_start): Likewise. (mips_gimplify_va_arg_expr): Likewise. * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise. * config/rs6000/rs6000.c (rs6000_va_start): Likewise. (rs6000_gimplify_va_arg): Likewise. * config/s390/s390.c (s390_va_start): Likewise. (s390_gimplify_va_arg): Likewise. * config/sh/sh.c (sh_va_start): Likewise. (sh_gimplify_va_arg_expr): Likewise. * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise. * config/spu/spu.c (spu_va_start): Likewise. (spu_gimplify_va_arg_expr): Likewise. * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start): Likewise. (xstormy16_gimplify_va_arg_expr): Likewise. * config/xtensa/xtensa.c (xtensa_va_start): Likewise. (xtensa_gimplify_va_arg_expr): Likewise. c-family/ * c-common.c (pointer_int_sum): Use fold_build_pointer_plus. * c-omp.c (c_finish_omp_for): Likewise. cp/ * call.c (build_special_member_call): Use fold_build_pointer_plus. * class.c (build_base_path): Likewise. (convert_to_base_statically): Likewise. (dfs_accumulate_vtbl_inits): Likewise. * cp-gimplify.c (cxx_omp_clause_apply_fn): Likewise. * except.c (expand_start_catch_block): Likewise. * init.c (expand_virtual_init): Likewise. (build_new_1): Likewise. (build_vec_delete_1): Likewise. (build_vec_delete): Likewise. * rtti.c (build_headof): Likewise. (tinfo_base_init): Likewise. * typeck.c (get_member_function_from_ptrfunc): Likewise. (cp_build_addr_expr_1): Likewise. * typeck2.c (build_m_component_ref): Likewise. fortran/ * trans-expr.c (fill_with_spaces): Use fold_build_pointer_plus. (gfc_trans_string_copy): Likewise. * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Likewise. * trans-types.c (gfc_get_array_descr_info): Likewise. * trans.c (gfc_build_array_ref): Likewise. java/ * builtins.c (static): Use fold_build_pointer_plus. * class.c (make_class_data): Likewise. (build_symbol_entry): Likewise. * except.c (build_exception_object_ref): Likewise. * expr.c (build_java_arrayaccess): Likewise. (build_field_ref): Likewise. (build_known_method_ref): Likewise. (build_invokevirtual): Likewise. objc/ * objc-next-runtime-abi-02.c (objc_v2_build_ivar_ref): Use fold_build_pointer_plus. (objc2_build_ehtype_initializer): Likewise. From-SVN: r176461
2011-06-29re PR middle-end/49545 (New C++ test failures)Richard Sandiford1-3/+24
gcc/ PR tree-optimization/49545 * builtins.c (get_object_alignment_1): Update function comment. Do not use DECL_ALIGN for functions, but test TARGET_PTRMEMFUNC_VBIT_LOCATION instead. * fold-const.c (get_pointer_modulus_and_residue): Don't check for functions here. * tree-ssa-ccp.c (get_value_from_alignment): Likewise. gcc/testsuite/ * gcc.dg/torture/pr49169.c: Restrict to ARM and MIPS targets. From-SVN: r175627
2011-06-27builtin-types.def (BT_FN_PTR_CONST_PTR_SIZE_VAR): New.Jakub Jelinek1-0/+20
* builtin-types.def (BT_FN_PTR_CONST_PTR_SIZE_VAR): New. * builtins.def (BUILT_IN_ASSUME_ALIGNED): New builtin. * tree-ssa-structalias.c (find_func_aliases_for_builtin_call, find_func_clobbers): Handle BUILT_IN_ASSUME_ALIGNED. * tree-ssa-ccp.c (bit_value_assume_aligned): New function. (evaluate_stmt, execute_fold_all_builtins): Handle BUILT_IN_ASSUME_ALIGNED. * tree-ssa-dce.c (propagate_necessity): Likewise. * tree-ssa-alias.c (ref_maybe_used_by_call_p_1, call_may_clobber_ref_p_1): Likewise. * builtins.c (is_simple_builtin, expand_builtin): Likewise. (expand_builtin_assume_aligned): New function. * doc/extend.texi (__builtin_assume_aligned): Document. * c-common.c (check_builtin_function_arguments): Handle BUILT_IN_ASSUME_ALIGNED. * gcc.dg/builtin-assume-aligned-1.c: New test. * gcc.dg/builtin-assume-aligned-2.c: New test. * gcc.target/i386/builtin-assume-aligned-1.c: New test. From-SVN: r175541
2011-06-21cosmetic. Add sync_ to all the expand_builtin defines which do not match the ↵Andrew MacLeod1-116/+118
actual builtin_sync_ names. 2011-06-21 Andrew MacLeod <amacleod@redhat.com> * builtins.c: Add sync_ or SYNC__ to builtin names. * sync-builtins.def: Add sync_ or SYNC__ to builtin names. * omp-low.c: Add sync_ or SYNC__ to builtin names. * c-family/c-common.c: Add sync_ or SYNC__ to builtin names. * c-family/c-omp.c: Add sync_ or SYNC__ to builtin names. * java/builtins.c: Add sync_ or SYNC__ to builtin names. * java/expr.c: Add sync_ or SYNC__ to builtin names. * cp/semantics.c: Add sync_ or SYNC__ to builtin names. * fortran/trans-openmp.c: Add sync_ or SYNC__ to builtin names. * fortran/trans-stmt.c: Add sync_ or SYNC__ to builtin names. * fortran/trans-decl.c: Add sync_ or SYNC__ to builtin names. From-SVN: r175270