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2011-07-29* function.c: Remove unwanted commit.Uros Bizjak1-10/+0
From-SVN: r176925
2011-07-29re PR target/47715 ([x32] TLS doesn't work)Uros Bizjak1-0/+10
PR target/47715 * config/i386/i386.md (*load_tp_x32): New. (*load_tp_x32_zext): Ditto. (*add_tp_x32): Ditto. (*add_tp_x32_zext): Ditto. (*load_tp_<mode>): Disable for TARGET_X32 targets. (*add_tp_<mode>): Ditto. * config/i386/i386.c (get_thread_pointer): Load thread pointer in ptr_mode and convert to Pmode if needed. From-SVN: r176924
2011-07-28rtlanal.c (tablejump_p): False for returns.Bernd Schmidt1-2/+19
* rtlanal.c (tablejump_p): False for returns. * reorg.c (first_active_target_insn): New static function. (find_end_label): Set JUMP_LABEL for a new returnjump. (optimize_skip, get_jump_flags, rare_destination, mostly_true_jump, get_branch_condition, steal_delay_list_from_target, own_thread_p, fill_simple_delay_slots, follow_jumps, fill_slots_from_thread, fill_eager_delay_slots, relax_delay_slots, make_return_insns, dbr_schedule): Adjust to handle ret_rtx in JUMP_LABELs. * jump.c (delete_related_insns): Likewise. (jump_to_label_p): New function. (redirect_target): New static function. (redirect_exp_1): Use it. Adjust to handle ret_rtx in JUMP_LABELS. (redirect_jump_1): Assert that the new label is nonnull. (redirect_jump): Likewise. (redirect_jump_2): Check for ANY_RETURN_P rather than NULL labels. * ifcvt.c (find_if_case_1): Take care when redirecting jumps to the exit block. (dead_or_predicable): Change NEW_DEST arg to DEST_EDGE. All callers changed. Ensure that the right label is passed to redirect_jump. * function.c (emit_return_into_block, thread_prologue_and_epilogue_insns): Ensure new returnjumps have ret_rtx in their JUMP_LABEL. * print-rtl.c (print_rtx): Handle ret_rtx in a JUMP_LABEL. * emit-rtl.c (skip_consecutive_labels): Allow the caller to pass ret_rtx as label. * cfglayout.c (fixup_reorder_chain): Use force_nonfallthru_and_redirect rather than force_nonfallthru. (duplicate_insn_chain): Copy JUMP_LABELs for returns. * rtl.h (ANY_RETURN_P): New macro. (jump_to_label_p): Declare. * resource.c (find_dead_or_set_registers): Handle ret_rtx in JUMP_LABELs. (mark_target_live_regs): Likewise. * basic-block.h (force_nonfallthru_and_redirect): Declare. * cfgrtl.c (force_nonfallthru_and_redirect): No longer static. * config/alpha/alpha.c (alpha_tablejump_addr_vec, alpha_tablejump_best_label): Remove functions. * config/alpha/alpha-protos.c (alpha_tablejump_addr_vec, alpha_tablejump_best_label): Remove declarations. * config/sh/sh.c (barrier_align, split_branches): Adjust for ret_rtx in JUMP_LABELs. * config/arm/arm.c (is_jump_table): Likewise. From-SVN: r176881
2011-07-19rtl.texi (MEM_OFFSET_KNOWN_P): Document.Richard Sandiford1-7/+4
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 Sandiford1-2/+1
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
2011-07-12tm.texi.in (FUNCTION_ARG_PADDING): Mention TARGET_FUNCTION_ARG_ROUND_BOUNDARY.Bernd Schmidt1-5/+7
* doc/tm.texi.in (FUNCTION_ARG_PADDING): Mention TARGET_FUNCTION_ARG_ROUND_BOUNDARY. (TARGET_FUNCTION_ARG_ROUND_BOUNDARY): Add hook. * function.c (locate_and_pad_parm): Take it into account. * target.def (function_arg_round_boundary): New hook. * targhooks.c (default_function_arg_round_boundary): New function. * targhooks.h (default_function_arg_round_boundary): Declare. * doc/tm.texi: Regenerate. From-SVN: r176207
2011-07-01Use proper mode for stack save area.H.J. Lu1-2/+3
2011-07-01 H.J. Lu <hongjiu.lu@intel.com> PR middle-end/48016 * explow.c (update_nonlocal_goto_save_area): Use proper mode for stack save area. * function.c (expand_function_start): Likewise. From-SVN: r175756
2011-06-16re PR middle-end/46500 (target.h includes tm.h)Joern Rennecke1-16/+22
PR middle-end/46500 gcc: * doc/tm.texi.in: Update Copyright date. * doc/tm.texi: Regenerate. * targhooks.c (default_setup_incoming_varargs): Replace CUMULATIVE_ARGS* argument type with cumulative_args_t. (default_pretend_outgoing_varargs_named): Likewise. (hook_pass_by_reference_must_pass_in_stack): Likewise. (hook_callee_copies_named): Likewise. (default_function_arg_advance): Likewise. (default_function_arg): Likewise. (default_function_incoming_arg): Likewise. (hook_bool_CUMULATIVE_ARGS_false): Likewise. (hook_bool_CUMULATIVE_ARGS_true): Likewise. (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Likewise. (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): Likewise. (hook_int_CUMULATIVE_ARGS_mode_tree_bool_0): Likewise. * targhooks.h (default_setup_incoming_varargs): Likewise. (default_pretend_outgoing_varargs_named): Likewise. (hook_pass_by_reference_must_pass_in_stack): Likewise. (hook_callee_copies_named): Likewise. (default_function_arg_advance): Likewise. (default_function_arg): Likewise. (default_function_incoming_arg): Likewise. (hook_bool_CUMULATIVE_ARGS_false): Likewise. (hook_bool_CUMULATIVE_ARGS_true): Likewise. (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Likewise. (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): Likewise. (hook_int_CUMULATIVE_ARGS_mode_tree_bool_0): Likewise. * target.def (pass_by_reference): Likewise. (setup_incoming_varargs, strict_argument_naming): Likewise. (pretend_outgoing_varargs_named, callee_copies): Likewise. (arg_partial_bytes, function_arg_advance, function_arg): Likewise. (function_incoming_arg): Likewise. * target.h: Don't include "tm.h" . (cumulative_args_t): New typedef. [GCC_TM_H] (get_cumulative_args): New static inline function. [GCC_TM_H] (pack_cumulative_args): Likewise. * config/alpha/alpha.c (alpha_function_arg): Replace CUMULATIVE_ARGS* argument type with cumulative_args_t. (alpha_function_arg_advance, alpha_arg_partial_bytes): Likewise. (alpha_pass_by_reference, alpha_setup_incoming_varargs): Likewise. * config/frv/frv.c (frv_setup_incoming_varargs): Likewise. (frv_arg_partial_bytes, frv_function_arg): Likewise. (frv_function_incoming_arg, frv_function_arg_advance): Likewise. (frv_function_arg_1): Likewise. * config/s390/s390.c (s390_pass_by_reference): Likewise. (s390_function_arg_advance, s390_function_arg): Likewise. * config/m32c/m32c.c (m32c_function_arg): Likewise. (m32c_pass_by_reference, m32c_function_arg_advance): Likewise. (m32c_strict_argument_naming): Likewise. * config/spu/spu.c (spu_pass_by_reference, spu_function_arg): Likewise. (spu_function_arg_advance): Likewise. (spu_setup_incoming_varargs): Likewise. Make static. * config/spu/spu-protos.h (spu_setup_incoming_varargs): Remove prototype. * config/sparc/sparc.c (sparc_strict_argument_naming): Replace CUMULATIVE_ARGS* argument type with cumulative_args_t. (sparc_pass_by_reference, sparc_function_arg_advance): Likewise. (sparc_function_arg, sparc_function_incoming_arg): Likewise. (sparc_arg_partial_bytes, sparc_function_arg_1): Likewise. * config/mep/mep.c (mep_setup_incoming_varargs): Likewise. (mep_pass_by_reference, mep_function_arg): Likewise. (mep_function_arg_advance): Likewise. * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise. (m32r_pass_by_reference, m32r_arg_partial_bytes): Likewise. (m32r_function_arg, m32r_function_arg_advance): Likewise. * config/rx/rx.c (rx_function_arg, rx_function_arg_advance): Likewise. * config/i386/i386.c (ix86_function_arg_advance): Likewise. (ix86_function_arg, ix86_pass_by_reference): Likewise. (ix86_setup_incoming_varargs): Likewise. * config/sh/sh.c (sh_setup_incoming_varargs): Likewise. (sh_strict_argument_naming): Likewise. (sh_pretend_outgoing_varargs_named, sh_pass_by_reference): Likewise. (sh_callee_copies, sh_arg_partial_bytes): Likewise. (sh_function_arg_advance, sh_function_arg): Likewise. * config/pdp11/pdp11.c (pdp11_function_arg): Likewise. (pdp11_function_arg_advance): Likewise. * config/microblaze/microblaze.c (microblaze_function_arg_advance): Likewise. (microblaze_function_arg, function_arg_partial_bytes): Likewise. * config/avr/avr.c (avr_function_arg): Likewise. (avr_function_arg_advance): Likewise. * config/xtensa/xtensa.c (xtensa_function_arg_advance): Likewise. (xtensa_function_arg, xtensa_function_incoming_arg): Likewise. (xtensa_function_arg_1): Likewise. * config/stormy16/stormy16.c (xstormy16_function_arg_advance): Likewise. (xstormy16_function_arg): Likewise. * config/fr30/fr30.c (fr30_setup_incoming_varargs): Likewise. (fr30_arg_partial_bytes, fr30_function_arg): Likewise. (fr30_function_arg_advance): Likewise. * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise. (lm32_function_arg, lm32_function_arg_advance): Likewise. * config/moxie/moxie.c (moxie_setup_incoming_varargs): Likewise. (moxie_function_arg, moxie_function_arg_advance): Likewise. (moxie_pass_by_reference, moxie_arg_partial_bytes): Likewise. * config/cris/cris.c (cris_setup_incoming_varargs): Likewise. (cris_pass_by_reference, cris_arg_partial_bytes): Likewise. (cris_function_arg, cris_function_incoming_arg): Likewise. (cris_function_arg_advance, cris_function_arg_1): Likewise. * config/iq2000/iq2000.c (iq2000_setup_incoming_varargs): Likewise. (iq2000_pass_by_reference, iq2000_arg_partial_bytes): Likewise. (iq2000_function_arg, iq2000_function_arg_advance): Likewise. * config/mn10300/mn10300.c (mn10300_pass_by_reference): Likewise. (mn10300_function_arg, mn10300_function_arg_advance): Likewise. (mn10300_arg_partial_bytes): Likewise. * config/ia64/ia64.c (ia64_setup_incoming_varargs): Likewise. (ia64_arg_partial_bytes, ia64_function_arg): Likewise. (ia64_function_incoming_arg, ia64_function_arg_advance): Likewise. (ia64_function_arg_1): Likewise. * config/m68k/m68k.c (m68k_function_arg_advance): Likewise. (m68k_function_arg): Likewise. * config/rs6000/rs6000.c (rs6000_function_arg_advance): Likewise. (rs6000_function_arg, setup_incoming_varargs): Likewise. (rs6000_pass_by_reference, rs6000_arg_partial_bytes): Likewise. * config/picochip/picochip.c (picochip_arg_partial_bytes): Likewise. (picochip_function_arg, picochip_incoming_function_arg): Likewise. (picochip_arg_advance): Likewise. * config/mcore/mcore.c (mcore_setup_incoming_varargs): Likewise. (mcore_arg_partial_bytes, mcore_function_arg): Likewise. (mcore_function_arg_advance): Likewise. * config/score/score.c (score_pass_by_reference): Likewise. (score_function_arg_advance): Likewise. (score_arg_partial_bytes): Likewise. Make static. * config/score/score-protos.h (score_arg_partial_bytes): Don't declare. * config/arm/arm.c (arm_arg_partial_bytes): Replace CUMULATIVE_ARGS* argument type with cumulative_args_t. (arm_function_arg, arm_function_arg_advance): Likewise. (arm_setup_incoming_varargs, arm_pass_by_reference): Likewise. * config/pa/pa.c (pa_pass_by_reference): Likewise. (pa_arg_partial_bytes, pa_function_arg_advance): Likewise. (pa_function_arg): Likewise. * config/mips/mips.c (mips_strict_argument_naming): Likewise. (mips_function_arg, mips_function_arg_advance): Likewise. (mips_arg_partial_bytes, mips_pass_by_reference): Likewise. (mips_callee_copies, mips_setup_incoming_varargs): Likewise. * config/vax/vax.c (vax_function_arg): Likewise. (vax_function_arg_advance): Likewise. * config/h8300/h8300.c (h8300_function_arg): Likewise. (h8300_function_arg_advance): Likewise. * config/v850/v850.c (v850_pass_by_reference): Likewise. (v850_strict_argument_naming, v850_function_arg): Likewise. (v850_arg_partial_bytes, v850_function_arg_advance): Likewise. (v850_setup_incoming_varargs): Likewise. * config/mmix/mmix.c (mmix_setup_incoming_varargs): Likewise. (mmix_function_arg_advance, mmix_function_incoming_arg): Likewise. (mmix_function_arg, mmix_pass_by_reference): Likewise. (mmix_function_arg_1): Replace const CUMULATIVE_ARGS* argument type with const void *. * config/bfin/bfin.c (setup_incoming_varargs): Replace CUMULATIVE_ARGS* argument type with cumulative_args_t. (bfin_function_arg_advance, bfin_function_arg): Likewise. (bfin_arg_partial_bytes, bfin_pass_by_reference): Likewise. * calls.c (emit_call_1): Change type of args_so_far to cumulative_args_t. Changed all callers. (initialize_argument_information): Likewise. (expand_call, emit_library_call_value_1): Use pack_cumulative_args. * dse.c (get_call_args): Likewise. * expr.c (block_move_libcall_safe_for_call_parm): Likewise. * function.c (pass_by_reference, reference_callee_copied): Likewise. (struct assign_parm_data_all): Rename args_so_far to args_so_far_v. New member args_so_far_v. Changed all users. * var-tracking.c (prepare_call_arguments): Use pack_cumulative_args. * config/iq2000/iq2000.c (iq2000_expand_prologue): Likewise. * config/mips/mips.c (mips_output_args_xfer): Likewise. * config/s390/s390.c (s390_call_saved_register_used): Likewise. * config/sh/sh.c (sh_output_mi_thunk): Likewise. * config/microblaze/microblaze.c (microblaze_expand_prologue): Likewise. * config/m32r/m32r.c (m32r_return_in_memory): Adjust for changed m32r_pass_by_reference. gcc/ada: * gcc-interface/decl.c (gnat_to_gnu_param): Use pack_cumulative_args. From-SVN: r175103
2011-06-15target-def.h (TARGET_HAVE_NAMED_SECTIONS): Move to common/common-target-def.h.Joseph Myers1-2/+3
* target-def.h (TARGET_HAVE_NAMED_SECTIONS): Move to common/common-target-def.h. * target.def (default_target_flags, handle_option, supports_split_stack, optimization_table, init_struct, except_unwind_info, unwind_tables_default, have_named_sections): Move to common/common-target.def. * target.h (enum opt_levels, struct default_options): Move to common/common-target.h. * targhooks.c (default_except_unwind_info, dwarf2_except_unwind_info, sjlj_except_unwind_info, default_target_handle_option, empty_optimization_table): Move to common/common-targhooks.c. * targhooks.h (default_except_unwind_info, dwarf2_except_unwind_info, sjlj_except_unwind_info, default_target_handle_option, empty_optimization_table): Move to common/common-targhooks.h. * common/common-target-def.h: Include common/common-targhooks.h. (TARGET_HAVE_NAMED_SECTIONS): Define if TARGET_ASM_NAMED_SECTION defined. * common/common-target.def (handle_option, option_init_struct, option_optimization_table, default_target_flags, except_unwind_info, supports_split_stack, unwind_tables_default, have_named_sections): Move from target.def. (HOOK_PREFIX): Undefine at end of file. * common/common-target.h: Include input.h. (enum opt_levels, struct default_options): Move from target.h. * common/common-targhooks.c, common/common-targhooks.h: New. * config.gcc (target_has_targetm_common): Default to yes. (moxie*): Set target_has_targetm_common=no. (hppa*-*-*): Don't set target_has_targetm_common=yes. * doc/tm.texi: Regenerate. * Makefile.in (COMMON_TARGET_H): Add $(INPUT_H). (C_TARGET_DEF_H): Add common/common-targhooks.h. (GCC_OBJS): Remove vec.o. (OBJS): Remove hooks.o and vec.o. (OBJS-libcommon-target): Add vec.o, hooks.o and common/common-targhooks.o. (c-family/c-common.o, c-family/c-cppbuiltin.o, lto-opts.o, tree.o, tree-tailcall.o, opts.o, toplev.o, varasm.o, function.o, except.o, expr.o, explow.o, dbxout.o, dwarf2out.o, cfgrtl.o, haifa-sched.o, cfglayout.o, $(out_object_file), $(common_out_object_file)): Update dependencies. (common/common-targhooks.o): New. * common/config/default-common.c: Include tm.h. Add FIXME comment. * common/config/pa/pa-common.c: Include more headers. Take copyright dates from pa.c. (pa_option_optimization_table, pa_handle_option, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Move from pa.c. * common/config/alpha/alpha-common.c, common/config/arm/arm-common.c, common/config/avr/avr-common.c, common/config/bfin/bfin-common.c, common/config/cris/cris-common.c, common/config/fr30/fr30-common.c, common/config/frv/frv-common.c, common/config/h8300/h8300-common.c, common/config/i386/i386-common.c, common/config/ia64/ia64-common.c, common/config/iq2000/iq2000-common.c, common/config/lm32/lm32-common.c, common/config/m32c/m32c-common.c, common/config/m32r/m32r-common.c, common/config/m68k/m68k-common.c, common/config/mcore/mcore-common.c, common/config/mep/mep-common.c, common/config/microblaze/microblaze-common.c, common/config/mips/mips-common.c, common/config/mmix/mmix-common.c, common/config/mn10300/mn10300-common.c, common/config/pdp11/pdp11-common.c, common/config/picochip/picochip-common.c, common/config/rs6000/rs6000-common.c, common/config/rx/rx-common.c, common/config/s390/s390-common.c, common/config/score/score-common.c, common/config/sh/sh-common.c, common/config/sparc/sparc-common.c, common/config/spu/spu-common.c, common/config/v850/v850-common.c, common/config/vax/vax-common.c, common/config/xstormy16/xstormy16-common.c, common/config/xtensa/xtensa-common.c: New. * config/alpha/alpha.c: Include common/common-target.h. (alpha_option_optimization_table, alpha_handle_option, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE): Move to alpha-common.c. * config/arm/arm-protos.h (arm_except_unwind_info): Declare. * config/arm/arm.c (arm_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO, arm_except_unwind_info): Move to arm-common.c. * config/avr/avr.c (avr_option_optimization_table, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO): Move to avr-common.c. * config/bfin/bfin.c (struct bfin_cpu): Move to bfin.h. (bfin_cpus, bfin_handle_option, TARGET_HANDLE_OPTION, TARGET_DEFAULT_TARGET_FLAGS): Move to bfin-common.c. * config/bfin/bfin.h struct bfin_cpu): Move from bfin.c. * config/cris/cris.c (cris_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE, cris_handle_option): Move to cris-common.c. * config/fr30/fr30.c (fr30_option_optimization_table, TARGET_EXCEPT_UNWIND_INFO, TARGET_OPTION_OPTIMIZATION_TABLE): Move to fr30-common.c. * config/frv/frv.c (frv_option_optimization_table, MASK_DEFAULT_ALLOC_CC, TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE): Move to frv-common.c. * config/h8300/h8300.c (h8300_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO): Move to h8300-common.c. * config/i386/i386-protos.h (ix86_handle_option): Declare. * config/i386/i386.c: Include common/common-target.h. (OPTION_MASK_ISA_MMX_SET, OPTION_MASK_ISA_3DNOW_SET, OPTION_MASK_ISA_SSE_SET, OPTION_MASK_ISA_SSE2_SET, OPTION_MASK_ISA_SSE3_SET, OPTION_MASK_ISA_SSSE3_SET, OPTION_MASK_ISA_SSE4_1_SET, OPTION_MASK_ISA_SSE4_2_SET, OPTION_MASK_ISA_AVX_SET, OPTION_MASK_ISA_FMA_SET, OPTION_MASK_ISA_SSE4_SET, OPTION_MASK_ISA_SSE4A_SET, OPTION_MASK_ISA_FMA4_SET, OPTION_MASK_ISA_XOP_SET, OPTION_MASK_ISA_LWP_SET, OPTION_MASK_ISA_AES_SET, OPTION_MASK_ISA_PCLMUL_SET, OPTION_MASK_ISA_ABM_SET, OPTION_MASK_ISA_BMI_SET, OPTION_MASK_ISA_TBM_SET, OPTION_MASK_ISA_POPCNT_SET, OPTION_MASK_ISA_CX16_SET, OPTION_MASK_ISA_SAHF_SET, OPTION_MASK_ISA_MOVBE_SET, OPTION_MASK_ISA_CRC32_SET, OPTION_MASK_ISA_FSGSBASE_SET, OPTION_MASK_ISA_RDRND_SET, OPTION_MASK_ISA_F16C_SET, OPTION_MASK_ISA_MMX_UNSET, OPTION_MASK_ISA_3DNOW_UNSET, OPTION_MASK_ISA_3DNOW_A_UNSET, OPTION_MASK_ISA_SSE_UNSET, OPTION_MASK_ISA_SSE2_UNSET, OPTION_MASK_ISA_SSE3_UNSET, OPTION_MASK_ISA_SSSE3_UNSET, OPTION_MASK_ISA_SSE4_1_UNSET, OPTION_MASK_ISA_SSE4_2_UNSET, OPTION_MASK_ISA_AVX_UNSET, OPTION_MASK_ISA_FMA_UNSET, OPTION_MASK_ISA_SSE4_UNSET, OPTION_MASK_ISA_SSE4A_UNSET, OPTION_MASK_ISA_FMA4_UNSET, OPTION_MASK_ISA_XOP_UNSET, OPTION_MASK_ISA_LWP_UNSET, OPTION_MASK_ISA_AES_UNSET, OPTION_MASK_ISA_PCLMUL_UNSET, OPTION_MASK_ISA_ABM_UNSET, OPTION_MASK_ISA_BMI_UNSET, OPTION_MASK_ISA_TBM_UNSET, OPTION_MASK_ISA_POPCNT_UNSET, OPTION_MASK_ISA_CX16_UNSET, OPTION_MASK_ISA_SAHF_UNSET, OPTION_MASK_ISA_MOVBE_UNSET, OPTION_MASK_ISA_CRC32_UNSET, OPTION_MASK_ISA_FSGSBASE_UNSET, OPTION_MASK_ISA_RDRND_UNSET, OPTION_MASK_ISA_F16C_UNSET, ix86_handle_option, ix86_option_optimization_table, ix86_option_init_struct, ix86_supports_split_stack, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_OPTION_INIT_STRUCT, TARGET_SUPPORTS_SPLIT_STACK): Move to i386-common.c. * config/i386/t-i386 (i386.o): Update dependencies. * config/ia64/ia64-protos.h (ia64_except_unwind_info): Declare. * config/ia64/ia64.c (ia64_option_optimization_table, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, ia64_handle_option): Move to ia64-common.c. * config/iq2000/iq2000.c (iq2000_option_optimization_table, TARGET_OPTION_OPTIMIZATION_TABLE): Move to iq2000-common.c. * config/lm32/lm32.c (lm32_option_optimization_table, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO): Move to lm32-common.c. * config/m32c/m32c.c (TARGET_HAVE_NAMED_SECTIONS): Move to m32c-common.c. * config/m32r/m32r.c (m32r_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO, m32r_handle_option): Move to m32r-common.c. (m32r_memory_move_cost): Remove comment referring to TARGET_HANDLE_OPTION. * config/m68k/m68k.c (TARGET_HANDLE_OPTION, m68k_handle_option): Move to m68k-common.c. * config/mcore/mcore.c (mcore_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO): Move to mcore-common.c. * config/mep/mep.c (mep_option_optimization_table, mep_handle_option, TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_DEFAULT_TARGET_FLAGS): Move to mep-common.c. * config/microblaze/microblaze.c (microblaze_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO): Move to microblaze-common.c. * config/mips/mips.c (mips_handle_option, mips_option_optimization_table, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Move to mips-common.c. * config/mmix/mmix.c (mmix_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE): Move to mmix-common.c. * config/mn10300/mn10300.c (mn10300_option_optimization_table, mn10300_handle_option, TARGET_EXCEPT_UNWIND_INFO, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE): Move to mn10300-common.c. * config/pa/pa.c: Include common/common-target.h. (pa_option_optimization_table, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, pa_handle_option): Move to pa-common.c. (pa_option_override): Use targetm_common.except_unwind_info. (pa_asm_output_mi_thunk, pa_function_section): Use targetm_common.have_named_sections. * config/pdp11/pdp11.c (pdp11_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_OPTION_INIT_STRUCT, pdp11_handle_option, pdp11_option_init_struct): Move to pdp11-common.c. * config/picochip/picochip.c (picochip_option_optimization_table, TARGET_HAVE_NAMED_SECTIONS, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO): Move to picochip-common.c. * config/rs6000/rs6000.c: Include common/common-target.h. (rs6000_option_optimization_table, TARGET_HANDLE_OPTION, TARGET_OPTION_INIT_STRUCT, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_DEFAULT_TARGET_FLAGS, rs6000_option_init_struct, rs6000_handle_option): Move to rs6000-common.c. * config/rs6000/t-rs6000 (rs6000.o): Update dependencies. * config/rx/rx.c (rx_handle_option, rx_option_optimization_table, TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_EXCEPT_UNWIND_INFO): Move to rx-common.c. * config/s390/s390.c (processor_flags_table, s390_option_optimization_table, s390_option_init_struct, s390_handle_option, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_OPTION_INIT_STRUCT): Move to s390-common.c. * config/s390/s390.h (processor_flags_table): Declare. * config/score/score.c (score_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE, MASK_ALL_CPU_BITS, score_handle_option): Move to score-common.c. * config/sh/sh.c (sh_option_optimization_table, TARGET_OPTION_OPTIMIZATION_TABLE, TARGET_OPTION_INIT_STRUCT, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, sh_handle_option, sh_option_init_struct): Move to sh-common.c. * config/sparc/sparc.c: Include common/common-target.h. (sparc_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE): Move to sparc-common.c. * config/spu/spu.c (TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_INIT_STRUCT, TARGET_EXCEPT_UNWIND_INFO, spu_option_init_struct): Move to spu-common.c. * config/stormy16/stormy16.c (xstorym16_option_optimization_table, TARGET_OPTION_OPTIMIZATION_TABLE): Move to xstormy16-common.c. * config/v850/v850.c (small_memory_physical_max, v850_handle_memory_optionn v850_handle_option, v850_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION, TARGET_OPTION_OPTIMIZATION_TABLE): Move to v850-common.c. * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Move to vax-common.c. * config/xtensa/xtensa.c (xtensa_option_optimization_table, TARGET_DEFAULT_TARGET_FLAGS, TARGET_OPTION_OPTIMIZATION_TABLE): Move to xtensa-common.c. * cfglayout.c: Include common/common-target.h. (fixup_reorder_chain): Use targetm_common.have_named_sections. * cfgrtl.c: Include common/common-target.h. (force_nonfallthru_and_redirect, commit_one_edge_insertion): Use targetm_common.have_named_sections. * dbxout.c: Include common/common-target.h. (dbxout_function_end): Use targetm_common.have_named_sections. * defaults.h (STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT): Use targetm_common.except_unwind_info. * dwarf2out.c: Include common/common-target.h. (dwarf2out_do_frame, dwarf2out_do_cfi_asm, dwarf2out_begin_prologue, dwarf2out_frame_init, dwarf2out_frame_finish, dwarf2out_assembly_start): Use targetm_common.except_unwind_info. * except.c: Include common/common-target.h. (init_eh, finish_eh_generation, output_one_function_exception_table): Use targetm_common.except_unwind_info. (switch_to_exception_section): Use targetm_common.have_named_sections. * explow.c: Include common/common-target.h. * expr.c: Include common/common-target.h. (build_personality_function): Use targetm_common.except_unwind_info. * function.c: Include common/common-target.h. (expand_function_end): Use targetm_common.except_unwind_info. * haifa-sched.c: Include common/common-target.h. (sched_create_recovery_edges): Use targetm_common.have_named_sections. * lto-opts.c: Include common/common-target.h instead of target.h. (lto_reissue_options): Use targetm_common.handle_option. * opts.c: Include common/common-target.h. (target_handle_option): Use targetm_common.handle_option. (init_options_struct): Update comment referring to targetm.target_option.optimization. Use targetm_common.default_target_flags, targetm_common.unwind_tables_default and targetm_common.option_init_struct. (default_options_optimization): Use targetm_common.option_optimization_table. (finish_options): Use targetm_common.except_unwind_info, targetm_common.unwind_tables_default, targetm_common.have_named_sections and targetm_common.supports_split_stack. * toplev.c: Include common/common-target.h. (process_options): Use targetm_common.have_named_sections. * tree-tailcall.c: Include common/common-target.h. (suitable_for_tail_call_opt_p): Use targetm_common.except_unwind_info. * tree.c: Include common/common-target.h. (build_common_builtin_nodes): Use targetm_common.except_unwind_info. * varasm.c: Include common/common-target.h. (resolve_unique_section, hot_function_section, default_function_section): Use targetm_common.have_named_sections. ada: * gcc-interface/Make-lang.in (gnatbind$(exeext)): Use ggc-none.o. (ada/utils.o): Update dependencies. * gcc-interface/Makefile.in (EXTRA_GNATTOOLS_OBJS): Add ../../../libcpp/libcpp.a. * gcc-interface/utils.c: Include common/common-target.h. (process_attributes): Use targetm_common.have_named_sections. c-family: * c-common.c: Include common/common-target.h. (handle_section_attribute): Use targetm_common.have_named_sections. * c-cppbuiltin.c: Include common/common-target.h. (c_cpp_builtins): Use targetm_common.except_unwind_info. cp: * Make-lang.in (cp/method.o): Update dependencies. * method.c: Include common/common-target.h. (use_thunk): Use targetm_common.have_named_sections. go: * Make-lang.in (go/go-lang.o, go/go-backend.o): Update dependencies. * go-backend.c: Include common/common-target.h. (go_write_export_data): Use targetm_common.have_named_sections. * go-lang.c: Include common/common-target.h. (go_langhook_init_options_struct): Use targetm_common.supports_split_stack. po: * exgettext: Handle common/ directory and subdirectories. From-SVN: r175064
2011-06-14dumping cleanup phase 1 -- Removing TODO_dump_funcDavid Li1-3/+2
From-SVN: r175051
2011-06-02function.h (struct stack_usage): Remove dynamic_alloc_count field.Eric Botcazou1-11/+0
* function.h (struct stack_usage): Remove dynamic_alloc_count field. (current_function_dynamic_alloc_count): Delete. * builtins.c (expand_builtin_setjmp_setup): Do not set calls_setjmp. (expand_builtin_nonlocal_goto): Remove obsolete comment. (expand_builtin_update_setjmp_buf): Remove dead code. * cse.c (cse_find_path): Do not follow a single abnormal incoming edge. * explow.c (allocate_dynamic_stack_space): Remove SETJMP_VIA_SAVE_AREA support. * function.c (instantiate_virtual_regs): Likewise. * postreload-gcse.c (bb_has_well_behaved_predecessors): Return false for a block with a single abnormal incoming edge. * config/sparc/sparc.h (STACK_SAVEAREA_MODE): Define. * config/sparc/sparc-protos.h (load_got_register): Declare. * config/sparc/sparc.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define. (load_got_register): Make global. (sparc_frame_pointer_required): Add 'static'. (sparc_can_eliminate): Likewise. Call sparc_frame_pointer_required. (sparc_builtin_setjmp_frame_value): New function. * config/sparc/sparc.md (UNSPECV_SETJMP): Remove. (save_stack_nonlocal): New expander. (restore_stack_nonlocal): Likewise. (nonlocal_goto): Remove modes, adjust predicates and reimplement. (nonlocal_goto_internal): New insn. (goto_handler_and_restore): Delete. (builtin_setjmp_setup): Likewise. (do_builtin_setjmp_setup): Likewise. (setjmp): Likewise. (builtin_setjmp_receiver): New expander. From-SVN: r174564
2011-05-25common.opt (flag_stack_usage_info): New variable.Eric Botcazou1-3/+3
* common.opt (flag_stack_usage_info): New variable. (-Wstack-usage): New option. * doc/invoke.texi (Warning options): Document -Wstack-usage. * opts.c (common_handle_option) <OPT_Wstack_usage_>: New case. <OPT_fstack_usage>: Likewise. * toplev.c (output_stack_usage): Handle -Wstack-usage. * calls.c (expand_call): Test flag_stack_usage_info variable instead of flag_stack_usage. (emit_library_call_value_1): Likewise. * explow.c (allocate_dynamic_stack_space): Likewise. * function.c (instantiate_virtual_regs ): Likewise. (prepare_function_start): Likewise. (rest_of_handle_thread_prologue_and_epilogue): Likewise. * config/alpha/alpha.c (alpha_expand_prologue): Likewise. * config/arm/arm.c (arm_expand_prologue): Likewise. (thumb1_expand_prologue): Likewise. * config/avr/avr.c (expand_prologue): Likewise. * config/i386/i386.c (ix86_expand_prologue): Likewise. * config/ia64/ia64.c (ia64_expand_prologue): Likewise. * config/m68k/m68k.c (m68k_expand_prologue): Likewise. * config/mips/mips.c (mips_expand_prologue): Likewise. * config/pa/pa.c (hppa_expand_prologue): Likewise. * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise. * config/s390/s390.c (s390_emit_prologue): Likewise. * config/sh/sh.c (sh_expand_prologue): Likewise. * config/sparc/sparc.c (sparc_expand_prologue): Likewise. * config/spu/spu.c (spu_expand_prologue): Likewise. From-SVN: r174182
2011-05-11function.c (expand_function_start): Initialize stack_check_probe_note only ↵Eric Botcazou1-3/+2
if the generic stack checking mechanism... * function.c (expand_function_start): Initialize stack_check_probe_note only if the generic stack checking mechanism is used. From-SVN: r173661
2011-05-03function.c (init_function_start): Call decide_function_section.Bernd Schmidt1-0/+1
* function.c (init_function_start): Call decide_function_section. * varasm.c (decide_function_section): New function. (assemble_start_function): When not using flag_reorder_blocks_and_partition, don't compute in_cold_section_p or first_function_block_is_cold. * rtl.h (decide_function_section): Declare. * gcc.target/arm/cold-lc.c: New test. From-SVN: r173303
2011-04-29expr.h (expand_shift): Rename to ...Richard Guenther1-3/+1
2011-04-29 Richard Guenther <rguenther@suse.de> * expr.h (expand_shift): Rename to ... (expand_variable_shift): ... this. (expand_shift): Take a constant shift amount. * expmed.c (expand_shift): Rename to ... (expand_variable_shift): ... this. (expand_shift): New wrapper around expand_variable_shift. * expr.c (convert_move, emit_group_load_1, emit_group_store, optimize_bitfield_assignment_op, store_field, expand_expr_real_2, expand_expr_real_1, reduce_to_bit_field_precision): Adjust. * expmed.c (store_fixed_bit_field, extract_bit_field_1, extract_fixed_bit_field, extract_split_bit_field, expand_mult_const, expand_mult, expand_widening_mult, expand_mult_highpart_adjust, extract_high_half, expand_sdiv_pow2, expand_divmod, emit_cstore, emit_store_flag_1, emit_store_flag): Likewise. * builtins.c (expand_builtin_signbit): Likewise. * calls.c (load_register_parameters): Likewise. * function.c (assign_parm_setup_block): Likewise. * lower-subreg.c (resolve_shift_zext): Likewise. * optabs.c (widen_bswap, expand_abs_nojump, expand_one_cmpl_abs_nojump, expand_float): Likewise. * spu/spu.c (spu_expand_extv): Likewise. * sparc/sparc.c (sparc32_initialize_trampoline): Likewise. From-SVN: r173157
2011-04-22Remove cgraph pidXinliang David Li1-0/+7
From-SVN: r172848
2011-04-20remove useless if-before-free testsJim Meyering1-2/+1
Change "if (E) free (E);" to "free (E);" everywhere except in the libgo/, intl/, zlib/ and classpath/ directories. Also transform equivalent variants like "if (E != NULL) free (E);" and allow an extra cast on the argument to free. Otherwise, the tested and freed "E" expressions must be identical, modulo white space. From-SVN: r172785
2011-04-15tree.h (ALLOCA_FOR_VAR_P): Rename to CALL_ALLOCA_FOR_VAR_P.Michael Matz1-1/+1
* tree.h (ALLOCA_FOR_VAR_P): Rename to CALL_ALLOCA_FOR_VAR_P. * builtins.c (expand_builtin): Use CALL_ALLOCA_FOR_VAR_P. * function.c (gimplify_parameters): Ditto. * gimplify.c (gimplify_vla_decl): Ditto. * gimple.h (enum gf_mask): Add GF_CALL_ALLOCA_FOR_VAR. (gimple_call_set_alloca_for_var): New inline function. (gimple_call_alloca_for_var_p): Ditto. * gimple.c (gimple_build_call_from_tree): Remember CALL_ALLOCA_FOR_VAR_P state. * cfgexpand.c (expand_call_stmt): Restore CALL_ALLOCA_FOR_VAR_P state. * tree-inline.c (inline_forbidden_p_stmt): Don't reject alloca calls if they were for VLA objects. From-SVN: r172516
2011-04-14utils.c (gnat_poplevel): Use block_chainon.Nathan Froyd1-0/+28
gcc/ada/ * gcc-interface/utils.c (gnat_poplevel): Use block_chainon. gcc/ * function.h (block_chainon): Declare. * function.c (block_chainon): Define. gcc/cp/ * decl.c (poplevel): Use block_chainon. gcc/fortran// * f95-lang.c (poplevel): Use BLOCK_CHAIN and block_chainon. gcc/java/ * decl.c (poplevel): Use BLOCK_CHAIN and block_chainon. From-SVN: r172418
2011-04-09expr.c (expand_expr_real_1): Use add_to_hard_reg_set function instead of loop.Anatoly Sokolov1-6/+2
* expr.c (expand_expr_real_1): Use add_to_hard_reg_set function instead of loop. * sel-sched.c (mark_unavailable_hard_regs): Likewise. * function.c (record_hard_reg_sets): Likewise. * ira.c (compute_regs_asm_clobbered): Likewise. * sched-deps.c (sched_analyze_1): Likewise. * reload1.c (mark_reload_reg_in_use, choose_reload_regs): Likewise. From-SVN: r172231
2011-04-07basic-block.h (force_nonfallthru): Move to...Eric Botcazou1-6/+11
* basic-block.h (force_nonfallthru): Move to... * cfghooks.h (struct cfg_hooks): Add force_nonfallthru hook. (force_nonfallthru): ...here. * cfghooks.c (force_nonfallthru): New function. * cfgrtl.c (force_nonfallthru): Rename into... (rtl_force_nonfallthru): ...this. (commit_one_edge_insertion): Do not set AUX field. (commit_edge_insertions): Do not discover new basic blocks. (rtl_cfg_hooks): Add rtl_force_nonfallthru. (cfg_layout_rtl_cfg_hooks): Likewise. * function.c (thread_prologue_and_epilogue_insns): Remove bogus ATTRIBUTE_UNUSED. Discover new basic blocks in the prologue insns. * tree-cfg.c (gimple_cfg_hooks): Add NULL for force_nonfallthru. From-SVN: r172128
2011-04-05re PR middle-end/48461 (function.c:5268:1: error: ↵Tom de Vries1-1/+1
emit_use_return_register_into_block defined but not used) 2011-04-05 Tom de Vries <tom@codesourcery.com> PR middle-end/48461 * function.c (emit_use_return_register_into_block): Only define if HAVE_return. From-SVN: r171990
2011-04-05re PR target/43920 (Choosing conditional execution over conditional branches ↵Tom de Vries1-0/+25
for code size in some cases.) 2011-04-05 Tom de Vries <tom@codesourcery.com> PR target/43920 * function.c (emit_use_return_register_into_block): New function. (thread_prologue_and_epilogue_insns): Use emit_use_return_register_into_block. From-SVN: r171977
2011-03-25re PR target/4828 (can't install gcc for h8300-hms target)Nathan Froyd1-33/+26
PR bootstrap/4828 Revert: 2011-03-24 Nathan Froyd <froydnj@codesourcery.com> * function.c (instantiate_virtual_regs): Use FOR_EACH_BB and FOR_BB_INSNS_SAFE to iterate through insns. Re-indent. (pass_instantiate_virtual_regs): Require PROP_cfglayout. * passes.c (init_optimization_passes): Move pass_instantiate_virtual_regs after pass_into_cfg_layout_mode. From-SVN: r171447
2011-03-24function.c (instantiate_virtual_regs): Use FOR_EACH_BB and FOR_BB_INSNS_SAFE ↵Nathan Froyd1-26/+33
to iterate through insns. * function.c (instantiate_virtual_regs): Use FOR_EACH_BB and FOR_BB_INSNS_SAFE to iterate through insns. Re-indent. (pass_instantiate_virtual_regs): Require PROP_cfglayout. * passes.c (init_optimization_passes): Move pass_instantiate_virtual_regs after pass_into_cfg_layout_mode. From-SVN: r171426
2011-03-21expr.h (prepare_operand): Move to...Richard Sandiford1-12/+3
gcc/ 2011-03-21 Richard Sandiford <richard.sandiford@linaro.org> * expr.h (prepare_operand): Move to... * optabs.h (prepare_operand): ...here and change the insn code parameter from "int" to "enum insn_code". (insn_operand_matches): Declare. * expr.c (init_expr_target): Use insn_operand_matches. (compress_float_constant): Likewise. * function.c (safe_insn_predicate, assign_parm_setup_reg): Likewise. * optabs.c (can_compare_p, prepare_cmp_insn): Likewise. (emit_cmp_and_jump_insn_1, gen_add2_insn, gen_add3_insn): Likewise. (have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn): Likewise. (gen_cond_trap): Likewise. (prepare_operand): Likewise. Change icode to an insn_code. (insn_operand_matches): New function. * reload.c (find_reloads_address_1): Use insn_operand_matches. * reload1.c (gen_reload): Likewise. * targhooks.c (default_secondary_reload): Likewise. From-SVN: r171270
2011-03-17re PR debug/48163 (ICEs for cris-elf, like gcc.c-torture/compile/calls.c ↵Jakub Jelinek1-1/+9
gcc.c-torture/execute/complex-1.c) PR debug/48163 * function.c (assign_parms): For data.passed_pointer parms use MEM of data.entry_parm instead of data.entry_parm itself as DECL_INCOMING_RTL. * dwarf2out.c (rtl_for_decl_location): Use DECL_INCOMING_RTL also when passed and declared mode is the same, DECL_RTL is a MEM with pseudo as address and DECL_INCOMING_RTL is a MEM too. From-SVN: r171113
2011-03-09re PR rtl-optimization/47866 (gcc.dg/torture/vector-2.c fails on IA64)Jakub Jelinek1-2/+5
PR rtl-optimization/47866 * expr.c (store_field): If MEM_SCALAR_P (target), don't use MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx) if target wasn't scalar. * function.c (assign_stack_temp_for_type): Assert that neither MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P macro. * rtl.h (MEM_SET_IN_STRUCT_P): Removed. From-SVN: r170834
2011-03-03explow.c (emit_stack_save): Remove 'after' parameter.Richard Henderson1-3/+8
* explow.c (emit_stack_save): Remove 'after' parameter. (emit_stack_restore): Likewise. * expr.h: Update to match. * builtins.c, calls.c, stmt.c: Likewise. * config/alpha/alpha.md, config/avr/avr.md: Likewise. * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise. * function.c (expand_function_end): Insert the emit_stack_save sequence before parm_birth_insn instead of after. From-SVN: r170663
2011-02-28re PR middle-end/47893 (4.6 miscompiles mesa on i686)Jakub Jelinek1-33/+47
PR middle-end/47893 * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define. (assign_stack_local_1): Change last argument type to int. * function.c (assign_stack_local_1): Replace reduce_alignment_ok argument with kind. If bit ASLK_RECORD_PAD is not set in it, don't record padding space into frame_space_list nor use those areas. (assign_stack_local): Adjust caller. (assign_stack_temp_for_type): Call assign_stack_local_1 instead of assign_stack_local, pass 0 as last argument. * caller-save.c (setup_save_areas): Adjust assign_stack_local_1 callers. * gcc.dg/pr47893.c: New test. From-SVN: r170568
2011-01-19re PR debug/47079 (FAIL: gcc.dg/guality/nrv-1.c)Alexandre Oliva1-2/+27
PR debug/47079 PR debug/46724 * function.c (instantiate_expr): Instantiate incoming rtl of implicit arguments, and recurse on VALUE_EXPRs. (instantiate_decls): Instantiate rtl and VALUE_EXPR of result. * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx. From-SVN: r169034
2011-01-04function.c (thread_prologue_and_epilogue_insns): Do not crash on empty ↵Ulrich Weigand1-1/+2
epilogue sequences. * function.c (thread_prologue_and_epilogue_insns): Do not crash on empty epilogue sequences. From-SVN: r168463
2010-12-22re PR debug/46724 (Wrong debug info: Invalid variable location)Alexandre Oliva1-3/+13
PR debug/46724 * function.c (assign_parms_augmented_arg_list): Name and mark DECL of result address as NAMELESS rather than IGNORED. (assign_parms): Set DECL_VALUE_EXPR for indirect result. * tree.h (tree_decl_common::decl_flag_2): Document RESULT_DECL. (DECL_HAS_VALUE_EXPR_P): Accept RESULT_DECL. * dwarf2out.c (loc_list_from_tree) <RESULT_DECL>: Use DECL_VALUE_EXPR. * dbxout.c (dbxout_expand_expr) <RESULT_DECL>: Likewise. * var-tracking.c (vt_add_function_parameter): New, split out of... (vt_add_function_parameters): ... this. Handle incoming pointer to hold result. From-SVN: r168160
2010-12-17re PR c/20385 (Lame parse error message for undefined type)Paolo Bonzini1-0/+2
gcc: 2010-12-17 Paolo Bonzini <bonzini@gnu.org> PR c/20385 * function.c (used_types_insert): Handle ERROR_MARK. * c-decl.c (grokdeclarator): Handle ERROR_MARK. (declspecs_add_type): Leave error_mark_node in specs->type. (finish_declspecs): Change it to integer_type_node here. * c-parser.c (c_parser_peek_2nd_token): Move earlier. (enum c_lookahead_kind): New. (c_parser_next_token_starts_typename): New name of c_parser_next_tokens_start_typename. Accept lookahead enum and handle it here instead of... (c_parser_next_tokens_start_declaration): ... here. Call it. (c_parser_declspecs): Accept another argument. Do not exit on C_ID_ID if it is guessed to be an unknown typename. (c_parser_parms_declarator): Use 2nd token to distinguish a K&R declaration from an ANSI declaration starting with an unknown typename. (c_parser_struct_declaration, c_parser_objc_type_name, c_parser_typeof_specifier, c_parser_declarator, c_parser_direct_declarator_inner): Adjust calls. (c_parser_parameter_declaration): Likewise. (c_parser_type_name): Pass back an error_mark_node to the caller. (c_parser_postfix_expression): Do error recovery when c_parser_type_name returns NULL. testsuite: 2010-12-17 Paolo Bonzini <bonzini@gnu.org> PR c/20385 * objc.dg/tls/init-2.m: Adjust. * gcc.dg/noncompile/920923-1.c: Adjust. * gcc.dg/noncompile/pr44517.c: Adjust. * gcc.dg/declspec-18.c: New test. From-SVN: r167999
2010-11-25target.def (supports_split_stack, [...]): Take gcc_options parameters.Joseph Myers1-2/+2
* target.def (supports_split_stack, except_unwind_info): Take gcc_options parameters. * targhooks.c (default_except_unwind_info, dwarf2_except_unwind_info, sjlj_except_unwind_info): Take gcc_options parameters. * targhooks.h (default_except_unwind_info, dwarf2_except_unwind_info, sjlj_except_unwind_info): Update prototypes. * doc/tm.texi.in (TARGET_IRA_COVER_CLASSES, TARGET_HAVE_NAMED_SECTIONS, TARGET_UNWIND_TABLES_DEFAULT): Document that hooks must not be modified. (TARGET_EXCEPT_UNWIND_INFO): Refer to opts argument. * doc/tm.texi: Regenerate. * defaults.h (STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT): Pass &global_options to targetm.except_unwind_info. * dwarf2out.c (dwarf2out_do_frame, dwarf2out_do_cfi_asm, dwarf2out_begin_prologue, dwarf2out_frame_init, dwarf2out_frame_finish, dwarf2out_assembly_start): Pass &global_options to targetm.except_unwind_info. * except.c (init_eh, finish_eh_generation, gate_convert_to_eh_region_ranges, output_one_function_exception_table): Pass &global_options to targetm.except_unwind_info. * expr.c (build_personality_function): Pass &global_options to targetm.except_unwind_info. * function.c (expand_function_end): Pass &global_options to targetm.except_unwind_info. * hooks.c (hook_bool_bool_gcc_optionsp_false): New. * hooks.h (hook_bool_bool_gcc_optionsp_false): Declare. * opts.c (finish_options): Pass opts to targetm.except_unwind_info and targetm.supports_split_stack. Remove assertions about opts and opts_set. (common_handle_option): Remove assertions about opts, opts_set and dc. * tree-tailcall.c (suitable_for_tail_call_opt_p): Pass &global_options to targetm.except_unwind_info. * tree.c (build_common_builtin_nodes: Pass &global_options to targetm.except_unwind_info. * config/arm/arm.c (arm_except_unwind_info): Add gcc_options parameter. (arm_compute_func_type, arm_expand_prologue, thumb_pushpop, thumb1_expand_prologue, thumb1_output_function_prologue, arm_unwind_emit, arm_output_fn_unwind): Update calls to arm_except_unwind_info. * config/i386/i386.c (ix86_supports_split_stack): Add gcc_options parameter. * config/ia64/ia64.c (ia64_except_unwind_info): Add gcc_options parameter. (ia64_output_function_prologue, ia64_add_bundle_selector_before, ia64_reorg, ia64_asm_unwind_emit): Update calls to ia64_except_unwind_info. * config/pa/pa.c (pa_option_override): Pass &global_options to targetm.except_unwind_info. * config/picochip/picochip-protos.h (picochip_except_unwind_info): Remove prototype. c-family: * c-cppbuiltin.c (c_cpp_builtins): Pass &global_options to targetm.except_unwind_info. From-SVN: r167145
2010-11-18re PR middle-end/46515 (Many libjava failures)Richard Henderson1-7/+13
PR middle-end/46515 * function.c (maybe_copy_prologue_epilogue_insn): Rename from maybe_copy_epilogue_insn; handle prologue insns as well. * rtl.h, cfglayout.c: Update for rename. * recog.c (peep2_attempt): Copy prologue/epilogue data for RTX_FRAME_RELATED_P insns. From-SVN: r166920
2010-11-16builtins.c (std_gimplify_va_arg_expr): Use targetm.calls.function_arg_boundary.Nathan Froyd1-7/+9
* builtins.c (std_gimplify_va_arg_expr): Use targetm.calls.function_arg_boundary. * function.c (assign_parms, locate_and_pad_parm): Likewise. * calls.c (struct arg_data): Update comment. * defaults.h (FUNCTION_ARG_BOUNDARY): Delete. * target.def (function_arg_boundary): Define. * targhooks.h (default_function_arg_boundary): Declare. * targhooks.c (default_function_arg_boundary): Define. * doc/tm.texi.in (FUNCTION_ARG_PADDING): Use TARGET_FUNCTION_ARG_BOUNDARY. (FUNCTION_ARG_BOUNDARY): Delete. (TARGET_FUNCTION_ARG_BOUNDARY): New. * doc/tm.texi: Regenerate. * system.h (FUNCTION_ARG_BOUNDARY): Poison. * config/arc/arc.h (FUNCTION_ARG_BOUNDARY): Delete. * config/arc/arc.c (arc_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/arm/arm.h (FUNCTION_ARG_BOUNDARY): Delete. * config/arm/arm-protos.h (arm_needs_doubleword_align): Delete. * config/arm/arm.c (arm_needs_doubleword_align): Make static. (arm_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/frv/frv.h (FUNCTION_ARG_BOUNDARY): Delete. * config/frv/frv-protos.h (frv_function_arg_boundary): Delete. * config/frv/frv.c (frv_function_arg_boundary): Make static. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/i386/i386.h (FUNCTION_ARG_BOUNDARY): Delete. * config/i386/i386-protos.h (ix86_function_arg_boundary): Delete. * config/i386/i386.c (ix86_function_arg_boundary): Make static. (ix86_compat_function_arg_boundary): Take and return unsigned int. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Delete. * config/ia64/ia64-protos.h (ia64_function_arg_boundary): Delete. * config/ia64/ia64.c (ia64_function_arg_boundary): Make static. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/m32c/m32c.h (FUNCTION_ARG_BOUNDARY): Delete. * config/m32c/m32c.c (m32c_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/m32r/m32r.h (FUNCTION_ARG_BOUNDARY): Delete. * config/mcore/mcore.h (FUNCTION_ARG_BOUNDARY): Delete. * config/mcore/mcore.c (mcore_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Delete. * config/mips/mips-protos.h (mips_function_arg_boundary): Delete. * config/mips/mips.c (mips_function_arg_boundary): Make static. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/pa/pa.h (FUNCTION_ARG_BOUNDARY): Delete. * config/pa/pa.c (pa_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/picochip/picochip.h (FUNCTION_ARG_BOUNDARY): Delete. * config/picochip/picochip-protos.h (picochip_get_function_arg_boundary): Delete. * config/picochip/picochip.c (picochip_get_function_arg_boundary): Rename to... (picochip_function_arg_boundary): ...this. Make static. (picochip_function_arg, picochip_arg_partial_bytes): Adjust. (picochip_arg_advance): Adjust. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/rs6000/rs6000.h (FUNCTION_ARG_BOUNDARY): Delete. * config/rs6000/rs6000-protos.h (function_arg_boundary): Delete. * config/rs6000/rs6000.c (function_arg_boundary): Rename to... (rs6000_function_arg_boundary): ...this. Make static. (rs6000_parm_start, rs6000_gimplify_va_arg): Adjust. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/rx/rx.h (FUNCTION_ARG_BOUNDARY): Delete. * config/rx/rx.c (rx_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/sparc/sparc.h (FUNCTION_ARG_BOUNDARY): Delete. * config/sparc/sparc.c (sparc_function_arg_boundary): Define. (TARGET_FUNCTION_ARG_BOUNDARY): Define. * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Delete. * config/xtensa/xtensa-protos.h (function_arg_boundary): Delete. * config/xtensa/xtensa.c (function_arg_boundary): Rename to... (xtensa_function_arg_boundary): ...this. Make static. (TARGET_FUNCTION_ARG_BOUNDARY): Define. From-SVN: r166803
2010-11-12function.c (expand_function_end): Set the locator of the prologue on the ↵Eric Botcazou1-0/+1
stack checking insns. * function.c (expand_function_end): Set the locator of the prologue on the stack checking insns. From-SVN: r166668
2010-11-04re PR bootstrap/44756 ([meta-bug] --enable-werror-always issues)Joern Rennecke1-2/+2
PR bootstrap/44756 * function.c (thread_prologue_and_epilogue_insns): Add ATTRIBUTE_UNUSED to seq, epilogue_end and entry_edge. From-SVN: r166320
2010-10-21basic-block.h (find_fallthru_edge): Define.Nathan Froyd1-6/+2
* basic-block.h (find_fallthru_edge): Define. * cfgcleanup.c (merge_blocks_move): Use it. (try_crossjump_bb): Likewise. * cfglayout.c (fixup_reorder_chains): Likewise. (fixup_fallthru_exit_predecessor): Likewise. * cfgrtl.c (rtl_split_edge): Likewise. (rtl_verify_flow_info): Likewise. * function.c (thread_prologue_and_epilogue_insns): Likewise. * gimple-pretty-print.c (dump_implicit_edges): Likewise. * ifcvt.c (block_fallthru): Likewise. * reload1.c (fixup_abnormal_edges): Likewise. * sched-ebb.c (being_schedule_ready): Likewise. (schedule_ebb): Likwise. * sched-rgn.c (find_single_block_region): Likewise. * sel-sched-ir.c (bb_ends_ebb_p): Likewise. * tree-complex.c (expand_complex_move): Likewise. * sched-int.h (find_fallthru_edge): Rename to... (find_fallthru_edge_from): ...this. * haifa-sched.c (find_fallthru_edge): Rename to... (find_fallthru_edge_from): ...this. Use new find_fallthru_edge. (init_before_recovery): Call find_fallthru_edge_from. * sel-sched-ir.c (merge_fences): Likewise. * sel-sched.c (in_fallthru_bb_p): Likewise. (move_cond_jump): Likewise. From-SVN: r165748
2010-10-01re PR tree-optimization/43959 (FAIL: gcc.dg/torture/builtin-cproj-1.c -O1 ↵Richard Guenther1-2/+2
(test for excess errors)) PR tree-optimization/43959 * function.c (gimplify_parameters): Use create_tmp_reg instead of create_tmp_var. From-SVN: r164824
2010-09-30opt-functions.awk (static_var): Update comment.Joseph Myers1-1/+1
* opt-functions.awk (static_var): Update comment. (var_ref): Return offsetof expression or -1, not variable address. * optc-gen.awk: Generate structure field initializers instead of static variables. Expect -1 for missing variables instead of null pointer. Add gcc_options parameters to generated functions. * opth-gen.awk: Generate structure fields for static variables. Add gcc_options parameters to generated functions. * common.opt (optimize, optimize_size): Add variables. * config/i386/i386-c.c (ix86_pragma_target_parse): Pass &global_options to cl_target_option_restore. * config/i386/i386.c (ix86_valid_target_attribute_p): Pass &global_options to cl_optimization_restore, cl_target_option_save and cl_target_option_restore. (ix86_set_current_function): Pass &global_options to cl_target_option_restore. * config/pdp11/pdp11.h (optimize): Remove. * config/rs6000/rs6000.h (optimize): Remove. * config/sh/sh.h (optimize): Remove. * config/xtensa/xtensa.h (optimize): Remove. * coretypes.h (struct gcc_options): Declare. * diagnostic.c (diagnostic_initialize): Initialize context->option_state. (diagnostic_report_diagnostic): Pass option_state to option_enabled hook. * diagnostic.h (diagnostic_context.option_enabled): Add void * parameter. (diagnostic_context.option_state): New field. * final.c (final_start_function, final, final_scan_insn): Rename optimize parameter to optimize_p. * flags.h (optimize, optimize_size): Remove. * function.c (invoke_set_current_function_hook): Pass &global_options to cl_optimization_restore. * gcc.c (driver_handle_option): Take gcc_options parameter. Assert that it is &global_options. (process_command): Pass &global_options to read_cmdline_option. * ipa-pure-const.c (suggest_attribute): Pass &global_options to option_enabled. * lto-opts.c (lto_reissue_options): Use option_flag_var. Pass &global_options to set_option. * opts-common.c (handle_option, handle_generated_option, read_cmdline_option, set_option): Take explicit gcc_options parameters. Use option_flag_var. (option_flag_var): New. * opts.c (common_handle_option, lang_handle_option, target_handle_option): Take gcc_options parameter. Assert that it is &global_options. (read_cmdline_options): Pass &global_options to read_cmdline_option. (print_filtered_help): Use option_flag_var. Pass &global_options to option_enabled. (common_handle_option): Use option_flag_var. (option_enabled): Take opts parameter. Use option_flag_var. (get_option_state): Take gcc_options parameter. Use option_flag_var. Pass gcc_options parameter to option_enabled. (enable_warning_as_error): Pass &global_options to handle_generated_option. * opts.h (struct cl_option): Change flag_var to flag_var_offset. (cl_option_handler_func.handler): Take gcc_options parameter. (option_enabled, get_option_state, set_option, handle_option, handle_generated_option, read_cmdline_option): Take gcc_options parameters. * toplev.c (optimize, optimize_size): Remove. (print_switch_values): Pass &global_options to option_enabled. (option_affects_pch_p): Use option_flag_var. Pass &global_options to get_option_state. (general_init): Initialize global_dc->option_state. * tree.c (build_optimization_node): Pass &global_options to cl_optimization_save. (build_target_option_node): Pass &global_options to cl_target_option_save. c-family: * c-common.c (handle_optimize_attribute): Pass &global_options to cl_optimization_save and cl_optimization_restore. * c-opts.c (c_common_handle_option): Pass &global_options to handle_generated_option. * c-pragma.c (handle_pragma_diagnostic): Use option_flag_var. (handle_pragma_pop_options, handle_pragma_reset_options): Pass &global_options to cl_optimization_restore. From-SVN: r164751
2010-09-28Hookize TARGET_UNWIND_INFO et al.Richard Henderson1-2/+3
From-SVN: r164701
2010-09-27common.opt (fsplit-stack): New option.Ian Lance Taylor1-15/+43
gcc/: * common.opt (fsplit-stack): New option. * opts.c (decode_options): Set flag_split_stack to final value. * target.def (supports_split_stack): New hook. * gcc.c (STACK_SPLIT_SPEC): Define. (LINK_COMMAND_SPEC): Use STACK_SPLIT_SPEC. * doc/invoke.texi (Option Summary): Mention -fsplit-stack. (Code Gen Options): Document -fsplit-stack. * doc/extend.texi (Function Attributes): Mention no_split_stack. (Function Attributes): Document no_split_stack. * doc/tm.texi.in (Stack Smashing Protection): Add @hook TARGET_SUPPORTS_SPLIT_STACK. * doc/tm.texi: Rebuild. * function.c (thread_prologue_and_epilogue_insns): If flag_split_stack, add split stack prologue. * explow.c (allocate_dynamic_stack_space): Support -fsplit-stack. * varasm.c (saw_no_split_stack): New static variable. (assemble_start_function): Set saw_no_split_stack if the function has the no_split_stack attribute. (file_end_indicate_split_stack): New function. * output.h (file_end_indicate_split_stack): Declare. * libgcc-std.ver (GCC_4.6.0): Add -fsplit-stack support variables and function. * doc/libgcc.texi (Miscellaneous routines): Document -fsplit-stack routines. * config/i386/i386.c (ix86_option_override_internal): Don't set expand_builtin_va_start to NULL if -fsplit-stack. (ix86_function_regparm): Reduce local regparm by 1 for 32-bit -fsplit-stack. (ix86_va_start): If -fsplit-stack, get overflow pointer from scratch register set by prologue. (ix86_code_end): If -fsplit-stack, call file_end_indicate_split_stack. (ix86_supports_split_stack): New static function. (SPLIT_STACK_AVAILABLE): Define. (split_stack_prologue_scratch_regno): New static function. (split_stack_fn): New static variable. (ix86_expand_split_stack_prologue): New function. (ix86_live_on_entry): New static function. (ix86_legitimate_address_p): Handle UNSPEC_STACK_CHECK. (output_pic_addr_const): Likewise. (i386_asm_output_addr_const_extra): Likewise. (ix86_expand_call): Change return type to rtx. Return the new call instruction. (TARGET_SUPPORTS_SPLIT_STACK): Define. (TARGET_EXTRA_LIVE_ON_ENTRY): Define. * config/i386/i386.md (UNSPEC_STACK_CHECK): Define. (split_stack_prologue, split_stack_return): New insns. (split_stack_space_check): New insn. * config/i386/i386.h (struct machine_function): Add split_stack_varargs_pointer field. * config/i386/linux.h (TARGET_CAN_SPLIT_STACK): Define. (TARGET_THREAD_SPLIT_STACK_OFFSET): Define. * config/i386/linux64.h (TARGET_CAN_SPLIT_STACK): Define. (TARGET_THREAD_SPLIT_STACK_OFFSET): Define. * config/i386/i386-protos.h (ix86_expand_split_stack_prologue): Declare. (ix86_expand_call): Update declaration. gcc/c-family/: * c-common.c (c_common_attribute_table): Add no_split_stack. (handle_no_split_stack_attribute): New static function. gcc/testsuite/: * lib/target-supports.exp (check_effective_target_split_stack): New procedure. * gcc.dg/split-1.c: New test. * gcc.dg/split-2.c: New test. * gcc.dg/split-3.c: New test. * gcc.dg/split-4.c: New test. libgcc/: * generic-morestack.h: New file. * generic-morestack.c: New file. * generic-morestack-thread.c: New file. * config/i386/morestack.S: New file. * config/t-stack: New file. * config/i386/t-stack-i386: New file. * config.host (i[34567]86-*-linux* and friends): Add t-stack and i386/t-stack-i386 to tmake_file. From-SVN: r164661
2010-09-24re PR middle-end/45234 (ICE in expand_call, at calls.c:2845 when passing ↵Jakub Jelinek1-0/+5
aligned function argument from unaligned stack after alloca) PR middle-end/45234 * rtl.h (enum global_rtl_index): Add GR_VIRTUAL_PREFERRED_STACK_BOUNDARY. (LAST_VIRTUAL_POINTER_REGISTER): Define. (virtual_preferred_stack_boundary_rtx, VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM): Define. (LAST_VIRTUAL_REGISTER): Increase by one. (REGNO_PTR_FRAME_P): Use LAST_VIRTUAL_POINTER_REGISTER instead of LAST_VIRTUAL_REGISTER. * function.c (instantiate_new_reg): Handle virtual_preferred_stack_boundary_rtx. * emit-rtl.c (init_virtual_regs): Handle VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM. (init_emit_regs): Initialize virtual_preferred_stack_boundary_rtx. * explow.c (round_push): If crtl->preferred_stack_boundary is smaller than MAX_SUPPORTED_STACK_ALIGNMENT, use virtual_preferred_stack_boundary_rtx alignment instead of crtl->preferred_stack_boundary alignment. (allocate_dynamic_stack_space): Use CONST_INT_P and REG_P macros. Never decrease crtl->preferred_stack_boundary, use crtl->preferred_stack_boundary or MAX_SUPPORTED_STACK_ALIGNMENT instead of PREFERRED_STACK_BOUNDARY. Don't modify stack_pointer_delta in dynamic allocation, even when size is constant. (probe_stack_range, anti_adjust_stack_and_probe): Use CONST_INT_P macro. * print-rtl.c (print_rtx): Handle VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM. * config/alpha/alpha.h (NONSTRICT_REG_OK_FP_BASE_P): Use LAST_VIRTUAL_POINTER_REGISTER instead of LAST_VIRTUAL_REGISTER. * config/frv/frv.c (frv_emit_movsi): Likewise. * config/arm/arm.c (thumb1_legitimate_address_p): Likewise. * config/rs6000/rs6000.c (virtual_stack_registers_memory_p): Likewise. * gcc.dg/torture/stackalign/alloca-6.c: New test. * gcc.target/i386/pr45234.c: New test. Revert: 2010-09-17 H.J. Lu <hongjiu.lu@intel.com> PR middle-end/45234 * calls.c (expand_call): Make sure that all variable sized adjustments are multiple of preferred stack boundary after stack alignment. From-SVN: r164593
2010-09-15function.c (get_arg_pointer_save_area): Set arg_pointer_save_area_init to true.Ian Lance Taylor1-0/+2
* function.c (get_arg_pointer_save_area): Set arg_pointer_save_area_init to true. From-SVN: r164307
2010-08-30Stack usage supportEric Botcazou1-1/+26
Stack usage support * common.opt (-fstack-usage): New option. * doc/invoke.texi (Debugging options): Document it. * builtins.c (expand_builtin_apply): Pass TRUE as 4th argument to allocate_dynamic_stack_space. (expand_builtin_alloca): Add 4th bool parameter CANNOT_ACCUMULATE and propagate it to allocate_dynamic_stack_space. (expand_builtin) <BUILT_IN_ALLOCA>: Adjust for above change. * calls.c (initialize_argument_information): Pass TRUE as 4th argument to allocate_dynamic_stack_space. (expand_call): Set current_function_has_unbounded_dynamic_stack_size to 1 when pushing a variable-sized argument onto the stack. Pass TRUE as 4th argument to allocate_dynamic_stack_space. Update current_function_pushed_stack_size. (emit_library_call_value_1): Likewise. * explow.c (allocate_dynamic_stack_space): Add 4th bool parameter CANNOT_ACCUMULATE. If flag_stack_usage, look into the size and attempt to find an upper bound. Remove redundant code for the SETJMP_VIA_SAVE_AREA case. * expr.h (allocate_dynamic_stack_space): Add 4th bool parameter. * function.h (struct stack_usage): New structure. (current_function_static_stack_size): New macro. (current_function_dynamic_stack_size): Likewise. (current_function_pushed_stack_size): Likewise. (current_function_dynamic_alloc_count): Likewise. (current_function_has_unbounded_dynamic_stack_size): Likewise. (current_function_allocates_dynamic_stack_space): Likewise. (struct function): Add new field 'su'. * function.c (instantiate_virtual_regs): If SETJMP_VIA_SAVE_AREA, add the value of the dynamic offset to the dynamic stack usage. (gimplify_parameters): Set ALLOCA_FOR_VAR_P on call to BUILT_IN_ALLOCA for variable-sized objects. (prepare_function_start): Allocate cfun->su if flag_stack_usage. (rest_of_handle_thread_prologue_and_epilogue): Call output_stack_usage. * gimplify.c (gimplify_decl_expr): Set ALLOCA_FOR_VAR_P on call to BUILT_IN_ALLOCA for variable-sized objects. * output.h (output_stack_usage): Declare. * toplev.c (stack_usage_file): New file pointer. (output_stack_usage): New function. (open_auxiliary_file): Likewise. (lang_dependent_init): Open file if flag_stack_usage is set. (finalize): Close file if stack_usage_file is not null. * tree.h (ALLOCA_FOR_VAR_P): New macro. * config/alpha/alpha.c (compute_frame_size): New function. (alpha_expand_prologue): Use it. (alpha_start_function): Likewise. (alpha_expand_epilogue): Likewise. Set stack usage info. * config/i386/i386.c (ix86_expand_prologue): Likewise. * config/ia64/ia64.c (ia64_expand_prologue): Likewise. * config/mips/mips.c (mips_expand_prologue): Likewise. * config/pa/pa.c (hppa_expand_prologue): Likewise. * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise. * config/sparc/sparc.c (sparc_expand_prologue): Likewise. testsuite/ * lib/gcc-dg.exp (cleanup-stack-usage): New procedure. * lib/scanasm.exp (scan-stack-usage): Likewise. (scan-stack-usage-not): Likewise. * gcc.dg/stack-usage-1.c: New test. * gcc.target/i386/stack-usage-realign.c: Likewise. From-SVN: r163660
2010-08-20vec.h (FOR_EACH_VEC_ELT): Define.Nathan Froyd1-3/+3
gcc/ * vec.h (FOR_EACH_VEC_ELT): Define. * c-decl.c: Use it. * cfgloop.c: Likewise. * cfgloopmanip.c: Likewise. * cgraph.c: Likewise. * cgraphunit.c: Likewise. * combine.c: Likewise. * config/bfin/bfin.c: Likewise. * config/mips/mips.c: Likewise. * config/rs6000/rs6000.c: Likewise. * dbxout.c: Likewise. * df-scan.c: Likewise. * dominance.c: Likewise. * dse.c: Likewise. * dwarf2out.c: Likewise. * except.c: Likewise. * expr.c: Likewise. * function.c: Likewise. * gcse.c: Likewise. * genattr.c: Likewise. * ggc-common.c: Likewise. * gimplify.c: Likewise. * graphite-blocking.c: Likewise. * graphite-clast-to-gimple.c: Likewise. * graphite-dependences.c: Likewise. * graphite-interchange.c: Likewise. * graphite-poly.c: Likewise. * graphite-scop-detection.c: Likewise. * graphite-sese-to-poly.c: Likewise. * graphite.c: Likewise. * haifa-sched.c: Likewise. * ifcvt.c: Likewise. * implicit-zee.c: Likewise. * ipa-prop.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-emit.c: Likewise. * lambda-code.c: Likewise. * loop-invariant.c: Likewise. * loop-unroll.c: Likewise. * lower-subreg.c: Likewise. * lto-cgraph.c: Likewise. * lto-opts.c: Likewise. * lto-streamer-in.c: Likewise. * lto-streamer-out.c: Likewise. * lto-streamer.c: Likewise. * lto-symtab.c: Likewise. * matrix-reorg.c: Likewise. * opts.c: Likewise. * predict.c: Likewise. * print-tree.c: Likewise. * sdbout.c: Likewise. * sel-sched-dump.c: Likewise. * sel-sched-ir.c: Likewise. * sel-sched.c: Likewise. * sese.c: Likewise. * stor-layout.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-chrec.c: Likewise. * tree-data-ref.c: Likewise. * tree-emutls.c: Likewise. * tree-inline.c: Likewise. * tree-into-ssa.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-loop-linear.c: Likewise. * tree-mudflap.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-parloops.c: Likewise. * tree-predcom.c: Likewise. * tree-pretty-print.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-reassoc.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * value-prof.c: Likewise. * var-tracking.c: Likewise. * varasm.c: Likewise. * vmsdbgout.c: Likewise. gcc/ada/ * gcc-interface/decl.c: Use FOR_EACH_VEC_ELT. * gcc-interface/trans.c: Likewise. * gcc-interface/utils.c: Likewise. gcc/c-family/ * c-common.c: Use FOR_EACH_VEC_ELT. * c-gimplify.c: Likewise. * c-pragma.c: Likewise. gcc/cp/ * call.c: Use FOR_EACH_VEC_ELT. * class.c: Likewise. * decl.c: Likewise. * decl2.c: Likewise. * error.c: Likewise. * except.c: Likewise. * mangle.c: Likewise. * method.c: Likewise. * name-lookup.c: Likewise. * parser.c: Likewise. * pt.c: Likewise. * repo.c: Likewise. * semantics.c: Likewise. * typeck2.c: Likewise. gcc/fortran/ * trans-openmp.c: Use FOR_EACH_VEC_ELT. gcc/java/ * class.c: Use FOR_EACH_VEC_ELT. * expr.c: Likewise. * jcf-parse.c: Likewise. * resource.c: Likewise. gcc/lto/ * lto.c: Use FOR_EACH_VEC_ELT. From-SVN: r163401
2010-08-17function.c (block_fragments_nreverse, [...]): New functions.Jakub Jelinek1-11/+48
* function.c (block_fragments_nreverse, blocks_nreverse_all): New functions. (reorder_blocks): Use blocks_nreverse_all instead of blocks_nreverse. (reorder_blocks_1): Assert BLOCK_FRAGMENT_ORIGIN is NULL. Don't call block_nreverse here. (blocks_nreverse): Rename decl temporary to block. From-SVN: r163292
2010-08-09builtins.c (fold_builtin_next_arg): Use stdarg_p.Nathan Froyd1-5/+1
gcc/ * builtins.c (fold_builtin_next_arg): Use stdarg_p. * config/arm/arm.c (arm_get_pcs_model): Likewise. * config/avr/avr.c (init_cumulative_args): Likewise. * config/iq2000/iq2000.c (iq2000_expand_prologue): Likewise. * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise. * config/m68k/m68k.c (m68k_return_pops_args): Likewise. * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise. * config/pa/pa.c (hppa_builtin_saveregs): Likewise. * config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Likewise. * config/rs6000/rs6000.c (init_cumulative_args): Likewise. * dwarf2out.c (gen_subprogram_die): Likewise. * function.c (allocate_struct_function): Likewise. * c-aux-info.c (gen_formal_list_for_func_dec): Likewise. (deserves_ellipsis): Delete. gcc/cp/ * tree.c (varargs_function_p): Use stdarg_p. From-SVN: r163033
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