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2000-06-06eh-common.h (EH_ALLOC_SIZE, [...]): New #defines.Nathan Sidwell1-0/+69
gcc: * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines. (eh_context): Add alloc_mask and alloc_buffer emergency fallback space. * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on emergency eh_context buffer, if malloc fails. (__eh_free): Moved from cp/exception.cc. Release to emergency eh_context buffer, if appropriate. gcc/cp: * exception.cc: (__eh_alloc, __eh_free): Moved to libgcc2.c From-SVN: r34429
2000-05-25except.c (func_eh_entry): Add emitted field.Andrew MacLeod1-0/+167
2000-05-25 Andrew MacLeod <amacleod@cygnus.com> Andrew Haley <aph@cygnus.com> * except.c (func_eh_entry): Add emitted field. (new_eh_region_entry): Set emitted field to 0; (output_exception_table_entry): Only emit previously un-emitted data, and send it to the eh_data section. (output_exception_table): Break out common parts. Output exception table for entire compilation unit to eh_data section. (output_exception_table_data): Common parts of output_exception_table. Send output to eh_data section. (output_function_exception_table): Output exception table data for a single function to eh_data section. (free_exception_table): New external to free the table. * except.h (free_exception_table): Add prototype. (output_function_exception_table): Add prototype. * final.c (final_end_function): Output function exception table for IA64_UNWIND_INFO. (final_scan_insn): Emit any unwind directives for an insn. * frame-dwarf2.c: New file containing all DWARF 2 specific code from frame.c. * frame.c: Remove all DWARF 2 specific code. * config/ia64/frame-ia64.c: New file. (gthread_stuff): Make all gthread available with IA64_UNWIND_INFO. (dwarf_fde): Define an IA64 struct for dwarf_fde. (__register_frame_info, __register_frame): Move to common area of file. (__register_frame_info_table, __register_frame_table): Move to common i area. (__deregister_frame_info, __deregister_frame): Move to common area. (__frame_init, find_fde): New versions for IA64_UNWIND_INFO. (read_uleb128): New version for ia64. (get_unwind_record): Read the next IA-64 unwind record. (read_R_record): Read a region header record. (process_a_b_reg_code): X record helper. (read_X_record): Read an X format record. (read_B_record): Read a B format record. (P3_record_types): List of record types matching the P3 format. (P7_record_types): List of record types matching the P7 format. (P8_record_types): List of record types matching the P8 format. (read_P_record): Read a P format record. (init_ia64_reg_loc): Set default fields for a register. (init_ia64_unwind_frame): Set defaults for all register records. (execute_one_ia64_descriptor): Execute one descriptor record. (rse_address_add): Calculate the position of a local reg in memory. (normalize_reg_loc): Turn a location descriptor into a memory address. (maybe_normalize_reg_loc): Only normalize a descriptor if it falls within a specified PC offset range. (get_real_reg_value): Given a register location, retrieve its value. (set_real_reg_value): Change the value of a register location. (copy_reg_value): Copy reg values, if needed. (copy_saved_reg_state): Copy all registers that need to be copied. (process_state_between): Normalize all frame register records that fall within the specified PC range. (frame_translate): Take a processed frame description, and turn everything into addresses. (build_ia64_frame_state ): Find and create frame state record for a PC. (get_personality): Get the personality routine for a given frame. (get_except_table): Get the exception table for a given frame. (record_name): Unwind record names for debugging. (print_record): Print and unwind record. (print_all_records): Print an entire unwind image. (__ia64_backtrace): Print a backtrace. (ia64_backtrace_helper): New function. (__register_frame_info_aux): New function. * config/ia64/crtend.asm (__do_frame_setup_aux): New function. * frame.h (enum unw_record_type): New unwind record types. (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records. (struct unw_r_record, unwind_record): New unwind record structs. (struct unwind_info_ptr): Unwind information layout. (IA64_UNW_LOC_TYPE_*): Macros for different types for location descriptors. (struct ia64_reg_loc): Register location description. (struct ia64_frame_state): Location of all registers in a frame. (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO. * libgcc2.c (__ia64_personality_v1): Personality routine. (__calc_caller_bsp): Calculate the bsp register for the caller's frame. (ia64_throw_helper): Figure out who to return to and set up the registers. (__throw): Throw routine. * output.h (assemble_eh_align, assemble_eh_label): New functions to generate EH info where we want it. (assemble_eh_integer): New function. * toplev.c (compile_file): Output module level exception table for non-ia64 targets. (main): Set exceptions_via_longjump and flag_new_exceptions based on IA64_UNWIND_INFO too. * varasm.c (assemble_eh_label): Generate a label via ASM_OUTPUT_EH_LABEL if it has been specified. (assemble_eh_align): Generate an alignment directive via ASM_OUTPUT_EH_ALIGN if it has been specified. (assemble_eh_label): Generate an integer value via ASM_OUTPUT_EH_type if they have been specified. * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs. (ia64_init_builtins): Add __builtin_ia64_bsp and __builtin_ia64_flushrs. (ia64_expand_builtin): Add IA64_BUILTIN_BSP and IA64_BUILTIN_FLUSHRS. * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and IA64_BUILTIN_FLUSHRS. * config/ia64/ia64.md (flushrs): New insn to flush the register stack. Add to unspec list. * config/ia64/crtbegin.asm (frame_object): Change size. (__do_frame_setup_aux): New function. * config/ia64/crtend.asm: call __do_frame_setup_aux. * config/ia64/t-ia64 (LIB2ADDEH): Add. * Makefile.in (LIB2ADDEH): Add. (LIB2ADD): Use LIB2ADDEH. Co-Authored-By: Andrew Haley <aph@cygnus.com> From-SVN: r34169
2000-05-24configure.in: Redefine inhibit_libc conditions.Eric Christopher1-7/+0
* configure.in: Redefine inhibit_libc conditions. * libgcc2.c: Remove inhibit_libc conditional define. * configure: Regenerate. From-SVN: r34126
2000-05-15Update to libgcc copyright exception clause.Jeff Law1-7/+9
From-SVN: r33916
2000-05-04libgcc2.c (near eh_context_specific): Comment #endif string.Richard Henderson1-1/+1
* libgcc2.c (near eh_context_specific): Comment #endif string. * longlong.h: Don't use strings with embedded newlines. From-SVN: r33687
2000-04-15configure.in (alpha*-*-*): Aad config/alpha/t-alpha.Richard Kenner1-28/+31
* configure.in (alpha*-*-*): Aad config/alpha/t-alpha. * configure: Rebuilt. * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi. (__fixunsxfDI): Renamed from __fixunsxfdi. (__fixunsdfDI): Renamed from __fixunsdfdi. (__fixunssfDI): Renamed from __fixunssfdi. (__floatdisf): Use proper type in REP_BIT macro. (__fixunsxfSI): Renamed from __fixunsxfsi. (__fixunsdfSI): Renamed from __fixunsdfsi. (__fixunssfSI): Renamed from __fixunssfsi. * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4. Change location of macros and upper-case some names as above. * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd. * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files. From-SVN: r33166
2000-03-23rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.Jason Merrill1-16/+0
* config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define. * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define. * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define. * frame.h (frame_state): Revert last change. * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg. * libgcc2.c (throw_helper): Revert last change. From-SVN: r32705
2000-03-22Implement dwarf2 exception handling for the ARM.Jason Merrill1-0/+16
* config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define. (DWARF_FRAME_RETURN_COLUMN): Define. * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach REG_FRAME_RELATED_EXPR note. (emit_sfm): Likewise. (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything. * dwarf2out.c (reg_save): Handle saving a register to itself. (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg. * except.c (eh_regs): Don't use the static chain reg if it's callee-saved. * frame.h (frame_state): Add cfa_saved field. * frame.c (execute_cfa_insn): Set it. * libgcc2.c (throw_helper): Don't adjust sp if it's restored in the epilogue. * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET. Now takes a parm. (instantiate_virtual_regs): Adjust. * tm.texi: Adjust. * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define. * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define. * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm. * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER. (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number. From-SVN: r32696
2000-03-09libgcc2.h: New file.Kaveh R. Ghazi1-199/+3
* libgcc2.h: New file. * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h. From-SVN: r32440
2000-02-01frame.c (find_fde): Convert for loop to do-while so compiler sees it's ↵Zack Weinberg1-8/+7
always executed at least once. * frame.c (find_fde): Convert for loop to do-while so compiler sees it's always executed at least once. * libgcc2.c (BBINBUFSIZE): Kill. (__bb_init_prg): Use fgets. (__bb_exit_trace_func): Don't paste strings. * unroll.c (unroll_loop): Initialize unroll_type, not unroll_number, and tweak logic to match. * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in all failure paths. (ix86_flags_dependant): Likewise. Disentangle control flow. (ix86_sched_reorder): Break guts out to ix86_sched_reorder_pentium and ix86_sched_reorder_ppro. (ix86_sched_reorder_ppro): Initialize pair2 and insnp before any possible use. * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't use string concatenation. Don't save and restore esi. * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def. (machname.h): Remove script to separate file. Use two-step sequence so target is not created if script fails. * fixinc/gen-machname.h: New file. Handle case where no non-reserved identifiers are defined. * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is an empty string, machine_name doesn't need to do anything at all. (is_cxx_header): Add more cases to regexp. * fixinc/fixlib.h: Update prototype. * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of mn_get_regexps. * fixinc/fixincl.c: Define NO_BOGOSITY. * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out. (hp_sysfile): Add missing comma. (math_exception): Put the wrapper ifdefs at the beginning and the end of the file. * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate. From-SVN: r31744
2000-02-01tsystem.h: New file.Kaveh R. Ghazi1-27/+1
* tsystem.h: New file. * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o, s-crtS): Depend on tsystem.h. * crtstuff.c: Include tsystem.h. * frame.c: Likewise. * libgcc2.c: Likewise. From-SVN: r31741
2000-01-26calls.c (special_function_p): New argument fork_or_exec.J"orn Rennecke1-14/+80
gcc: * calls.c (special_function_p): New argument fork_or_exec. (expand_call): When profile_arc_flag is set and the function is in the fork_or_exec group, call __bb_fork_func first. * libgcc2.c, _bb module (__bb_fork_func): New function. (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock output file. * config/svr4.h (TARGET_HAS_F_SETLKW): Define. * tree.h (special_function_p): Update prototype. gcc/cp: * cp/optimize.c (calls_setjmp_r): Supply new argument to special_function_p. From-SVN: r31635
2000-01-23libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.Richard Henderson1-2/+2
* libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS. (throw_helper): Iterate over DWARF_FRAME_REGISTERS. From-SVN: r31576
1999-12-29crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.Kaveh R. Ghazi1-1/+1
* crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h. Otherwise provide a declaration for atexit. (init_dummy): Make sure dummy call to atexit is nevertheless called with correct number of args. * frame.c: Update comments referring to other files. * libgcc2.c: Likewise. From-SVN: r31124
1999-12-27h8300.h (TARGET_H8300H, [...]): Make sure UNITS_PER_WORD and BITS_PER_WORD ↵Jakub Jelinek1-191/+283
are compile time constants when... * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure UNITS_PER_WORD and BITS_PER_WORD are compile time constants when compiling libgcc2. * config/mips/mips.h (TARGET_64BIT): Likewise. * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise. * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead of {SI,DI}type and DIunion. Define these types to QI/HI modes on dsps. Give routines proper names if SI/DI modes are not used. * longlong.h: Use DWunion instead of DIunion. From-SVN: r31095
1999-12-12gthr-single.h (__gthread_active_p): Add prototype arguments.Kaveh R. Ghazi1-68/+60
* gthr-single.h (__gthread_active_p): Add prototype arguments. * libgcc2.c (__udivmoddi4): Remove unnecessary decls. (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg, __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret, function_ptr, getpagesize, __enable_execute_stack, __enable_execute_stack, __clear_insn_cache, __enable_execute_stack, __do_global_dtors, __do_global_ctors, _cleanup, _exit, __default_terminate, __terminate_func, __terminate, __empty, __throw, new_eh_context, eh_context_initialize, eh_context_static, eh_context_specific, get_eh_context, __get_eh_context, __get_eh_info, init_reg_size_table, eh_threads_initialize, __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow, __unwinding_cleanup, throw_helper, __throw, __rethrow, __pure_virtual): Add prototype arguments. (__bb_exit_func): Cast a sizeof to long when comparing against one. Cast a signed value to unsigned long when comparing against one. (new_eh_context): Wrap in _GTHREADS macro. (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at declaration. (in_reg_window): Mark parameters with __attribute__ ((__unused__)). (throw_helper): Initialize variables `handler_p' and `pc_p'. From-SVN: r30872
1999-12-08longlong.h: Merge in changes from glibc.Jakub Jelinek1-0/+8
* longlong.h: Merge in changes from glibc. Also don't clobber %g2 register in 32bit SPARC assembly, so that -mno-app-regs libgcc can be compiled. * libgcc2.c: Add defines so that the updated longlong.h can be used in libgcc2.a. Also, make sure on most architectures (at least on all which have optimized code in longlong.h defined for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests. From-SVN: r30836
1999-11-22xm-i386.h: Define `__i386__' if not defined...David O'Brien1-1/+1
* xm-i386.h: Define `__i386__' if not defined, rather than `i386' which is in the user's namespace. * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs. `i386' which is not in our namespace. From-SVN: r30627
1999-11-02libgcc2.c (__do_global_dtors): Only do EH frame stuff if ! HAS_INIT_SECTION.Jason Merrill1-1/+1
* libgcc2.c (__do_global_dtors): Only do EH frame stuff if ! HAS_INIT_SECTION. From-SVN: r30339
1999-10-31[multiple changes]Richard Kenner1-2/+2
Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR> * gcov.c (DIR_SEPARATOR): Provide default. (output_data): Add test for MS-DOS format absolute filename. (fancy_abort): Correct program name. (open_files): Open all files in binary mode. * libgcc2.c (__bb_exit_func): Likewise. * profile.c (init_branch_prob): Specify binary when opening files. * flags.h (flag_unwind_tables): New decl. * toplev.c (flag_unwind_table): New definition. (f_options): Add -funwind-tables. (decode_g_option): Clarify warning when unknown -g option is given. (rest_of_compilation): If inside an inlined external function, pretend we are just being declared. * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables. (dwarf2out_frame_finish): Likewise. Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com> * flow.c (propagate_block): When the last reference to a label before an ADDR_VEC is deleted because the reference is a dead store, delete the ADDR_VEC. Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt> * fold-const.c (merge_ranges): In not in0, but in1, handle upper bounds equal like subset case. Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com> * dbxout.c (dbxout_parms): Generate a second stabs line for parameters passed in a register but moved to the stack. Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr> * gcc.c (pass_exit_codes, greatest_status): New variables. (struct option_map): Add entry for "--pass-exit-codes". (execute): Update greatest_status if error. (display_help): Add documentation for -pass-exit-codes. (process_command): Handle -pass-exit-codes. (main): Look at pass_exit_codes and greatest_status on call to exit. Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * reload.c (find_reloads): Refine test for no input reload case to not includes reloads emitted after insn. * function.c (find_temp_slots_from_address): Handle sum involving a register that points to a temp slot. (update_temp_slot_address): Make recursive call if both old and new are PLUS with a common operand. * calls.c (expand_call): Mark temp slot for result as having address taken. * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case. * gcc.c (process_command): Add standard_exec_prefix with "GCC" component as well as "BINUTILS". * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS. * integrate.c (copy_rtx_and_substitute): Likewise. (expand_inline_function, integrate_parm_decls, integrate_decl_tree): All callers changed. * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise. * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use gdb extensions, write size of type; also be more consistent in using references when this is a subtype. * pa.md (extv, extzv, insv): Use define_expand to reject constant that is out of range. * loop.c (unknown_constant_address_altered): New variable. (prescan_loop): Initialize it. (note_addr_stored): Set it for RTX_UNCHANGING_P MEM. (invariant_p, case MEM): Remove handling for volatile and readony; check new variable if readonly. (check_dbra_loop): Chdeck unknown_constant_address_altered. * cse.c (canon_hash, case MEM): Do not record if BLKmode. (addr_affects_sp_p): Removed from note_mem_written and only define #ifdef AUTO_INC_DEC. * alpha.c (input_operand, case ADDRESSOF): Treat as REG. * regclass.c (record_reg_classes): Properly handle register move directions. * varasm.c (initializer_constant_valid_p, case MINUS_EXPR): Don't think valid if both operands are invalid. (struct constant_descriptor): New field RTL. (mark_const_hash_entry): Mark it. (record_constant{,_rtx}): Initialize it. (output_constant_def): Allocate RTL in permanent obstack and save in table. ({record,compare}_constant_1): Modes must match for CONSTRUCTOR of ARRAY_TYPE. * c-common.h (initializer_constant_valid_p): Delete decl from here. * output.h (initializer_constant_valid_p): Move decl to here. * c-common.c (initializer_constant_valid_p): Delete function from here. * varasm.c (initializer_constant_valid_p): Move function to here. * tree.h (STRIP_SIGN_NOPS): New macro. * fold-const.c (optimize_minmax_comparison): New function. (invert_truthvalue, case WITH_RECORD_EXPR): New case. (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS. (fold, case EQ_EXPR): Call optimize_minmax_comparison and add cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and widening conversions. (fold, case LE_EXPR): Rework changing unsigned to signed comparisons to look at size of mode, not precision of type; also add missing cases. (optimize_bit_field_compare, decode_field_reference): Don't try to optimize COMPONENT_REF of a PLACEHOLDER_EXPR. * dwarf2out.c (ctype.h): Include. (dwarf2out_set_demangle_name_func): New function. (size_of_line_info): Deleted. (output_line_info): Compute size of line info table from difference of labels. (base_type_die, add_name_attribute): Call demangle function, if any. (field_byte_offset): Use bits per word for variable length fields. (gen_array_type_die): Add array name. (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline. (dwarf2out_add_library_unit_info): New function. * explow.c (set_stack_check_libfunc): New function. (stack_check_libfunc): New static variable. (probe_stack_range): Allow front-end to set up a libfunc to call. * combine.c (simplify_comparison): When making comparison in wider mode, check for having commuted an AND and a SUBREG. (contains_muldiv): New function. (try_combine): Call it when dividing a PARALLEL. (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart. (simplify_comparison, case ASHIFTRT): Recognize sign-extension of a PLUS. (record_value_for_reg): If TEM is a binary operation with two CLOBBERs, use one of the CLOBBERs instead. (if_then_else_cond): If comparing against zero, just return thing being compared. * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x). Don't generate shifts and subtract if have conditional arithmetic. * rtl.h (delete_barrier): New declaration. * jump.c (jump_optimize): Set up to handle conditional call. In conditional arithmetic case, handle CALL_INSN followed by a BARRIER. (delete_barrier): New function. * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode. * recog.c (nonmemory_operand): Accept ADDRESSOF. * tree.c (build_type_attribute_variant): Push to obstack of ttype around type_hash_canon call. * expr.c (placeholder_list): Move decl to file scope. (expand_expr): Don't force access to volatile just because its address is taken. If ignoring reference operations, just expand the operands. (expand_expr, case COMPONENT_REF): Propagate EXPAND_CONST_ADDRESS to recursive call when expanding inner. Refine test for using bitfield operations vs pointer punning. (expand_expr, case CONVERT_EXPR): If converting to BLKmode UNION_TYPE from BLKmode, just return inner object. Use proper mode in store_field call. Properly set sizes of object to store and total size in store_field call for convert to union. (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in memory (like for ADDR_EXPR). Also, don't put constant in register if we'll want it in memory. (readonly_fields_p): New function. (expand_expr, case INDIRECT_REF): Call it if LHS. (expand_assignment): Handle a RESULT_DECL where DECL_RTL is a PARALLEL. (do_jump, case WITH_RECORD_EXPR): New case. (get_inner_reference): Always go inside a CONVERT_EXPR and NOP_EXPR if both modes are the same. (store_field): Use bitfield operations if size of bitsize is not same as size of RHS's type. Check for bitpos not a multiple of alignment in BLKmode case. Do block move in largest possible alignment. (store_constructor): Set BITSIZE to -1 for variable size and properly in case of array of BLKmode. (expand_expr_unaligned): New function. (do_compare_and_jump): Call it. * mips/iris5.h (SWITCHES_NEED_SPACES): New macro. * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES does not include 'o'. * function.c (instantiate_virtual_regs_1, case SET): Handle case where both SET_DEST and SET_SRC reference a virtual register. (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG. * integrate.c (expand_inline_function): Handle case of setting virtual stack vars register (from built in setjmp); when parameter lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early. (subst_constant): Add new parm, MEMONLY. (expand_inline_function, integrate_parm_decls): Pass new parm. (integrate_decl_tree): Likewise. (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P. (try_constants): Call subst_constants twice, with MEMONLY 0 and 1. (copy_rtx_and_substitute, case SET): Add explicit calls to copy_rtx_and_substitute for both sides. * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for constraints. (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for within INDEX_TYPE, instead of before. (fixup_gotos): Use f->target_rtl, not the next insn, since latter may be from a later fixup. (expand_value_return): Correctly convert VAL when promoting function return; support RETURN_REG being a PARALLEL. (expand_return): When checking for result in regs and having cleanup, consider PARALLEL in DECL_RTL as being in regs. From-SVN: r30299
1999-10-14libgcc2.c (__do_global_dtors): Protect __deregister_frame_info from multiple ↵Gavin Romig-Koch1-1/+8
calls. * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info from multiple calls. From-SVN: r29979
1999-10-05Do not include stddef.h if building trampoline support and inhibit_libc is ↵Michael Meissner1-1/+3
defined From-SVN: r29831
1999-10-05Mark args as unused.Michael Meissner1-1/+2
From-SVN: r29830
1999-10-05Declare malloc, free, and atexit if inhibit_libc is defined.Michael Meissner1-1/+13
From-SVN: r29829
1999-09-30Use lookup table to get register sizes in dwarf2 ehBernd Schmidt1-2/+25
From-SVN: r29730
1999-09-23libgcc2.c (num_digits): Add prototype with __attribute__((const)).Dan Nicolaescu1-0/+4
* libgcc2.c (num_digits): Add prototype with __attribute__((const)). (__terminate): Add prototype. From-SVN: r29616
1999-09-17libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.Jason Merrill1-3/+3
* libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT. * sparc/sunos4.h (HAVE_ON_EXIT): Remove. From-SVN: r29481
1999-09-16libgcc2.c (__do_global_ctors): Call atexit with one arg.Kaveh R. Ghazi1-1/+1
* libgcc2.c (__do_global_ctors): Call atexit with one arg. * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS(). Define HAVE_ON_EXIT. From-SVN: r29465
1999-09-15gbl-ctors.h: Lose HAVE_ATEXIT.Jason Merrill1-65/+16
* gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT. * libgcc2.c: Lose obsolete defn of WEAK_ALIAS. (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT. (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl. (atexit, exit): Simplify. * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT. * config/lots: Remove defns of HAVE_ATEXIT. From-SVN: r29439
1999-09-09defaults.h (EH_FRAME_SECTION, [...]): Define here.Jason Merrill1-0/+18
* defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here. * crtstuff.c: Not here. * dwarf2out.c: Or here. * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame info. From-SVN: r29241
1999-09-06Merge in gcc2-ss-010999Jeff Law1-2/+5
From-SVN: r29150
1999-06-10Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.Jeffrey A Law1-6/+15
* Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument. * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide initializers is some circumstances. From-SVN: r27489
1999-03-30libgcc2.c (throw_helper): Just return the SP offset, rather than a whole udata.Jason Merrill1-35/+43
* libgcc2.c (throw_helper): Just return the SP offset, rather than a whole udata. Include args_size in the offset. (__throw, __rethrow): Adjust. From-SVN: r26066
1999-03-23libgcc2.c (__CTOR_LIST__, [...]): Initialize on all platforms.Jim Blandy1-9/+5
* libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Initialize on all platforms. From-SVN: r25939
1999-03-10cppfiles.c (INO_T_EQ): Handle UWIN.Mumit Khan1-2/+2
* cppfiles.c (INO_T_EQ): Handle UWIN. * c-common.c (decl_attributes): Flag unrecognized attribute functions as warnings instead of as errors. Support for i386-pc-uwin. * i386/uwin.h: New file. * i386/xm-uwin.h: New file. * i386/t-uwin: New file. * i386/uwin.asm: New file. * configure.in (i[3456]86-*-uwin*): Define. Add Workaround for vfork bug when hosted on uwin. * configure: Regenerate. * cccp.c (INO_T_EQ): Undefine. UWIN has inodes. (absolute_filename): UWIN uses POSIX pathnames only. * libgcc2.c (getpagesize): Do not define for UWIN. (mprotect): Likewise. * protoize.c (dirent.h): Conditionally include. (fputc): Prototype only if it's not a macro. From-SVN: r25696
1999-01-26tweak formattingJason Merrill1-17/+19
From-SVN: r24874
1999-01-19[multiple changes]Vladimir Makarov1-11/+15
1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com> * invoke.texi (-mlong-double-64): New option description. 1999-01-19 Jim Wilson <wilson@cygnus.com> * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to LIBGCC2_LONG_DOUBLE_TYPE_SIZE. (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE if not defined. * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics. (CPP_SPECS): Add -mlong-double-64 support. (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New. (TARGET_SWITCHES): Add -mlong-double-64 support. (LONG_DOUBLE_TYPE_SIZE): Likewise. (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define. * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float. (CPP_SPECS): Add -mlong-double-64 support. * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64. (MULTILIB_DIRNAMES): Add ld64. * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise. From-SVN: r24764
1998-12-08See ChangeLog..Andrew MacLeod1-70/+240
Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com> See ChangeLog.. These are the files that were changed: * eh-common.h (struct eh_context): Add table_index for rethrows. * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes. * rtl.c (reg_note_name): Add strings for new reg_note enums. * expr.h (rethrow_libfunc): New library decl. * optabs.c (rethrow_libfunc): Initialize. * except.h (struct eh_entry): Add new field 'rethrow_label'. * except.c (create_rethrow_ref): New function to create a single * flow.c (make_edges): Add different edges for rethrow calls, * integrate.c (save_for_inline_eh_labelmap): New callback routine to * libgcc2.c (find_exception_handler): Generalize to enable it to * cp/except.c * cp/exception.cc From-SVN: r24194
1998-11-23libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.Mike Stump1-10/+19
* libgcc2.c (top_elt): Remove top_elt, it isn't thread safe. The strategy we now use is to pre allocate the top_elt along with the EH context so that each thread has its own top_elt. This is necessary as the dynmanic cleanup chain is used on the top element of the stack and each thread MUST have its own. (eh_context_static): Likewise. (new_eh_context): Likewise. (__sjthrow): Likewise. From-SVN: r23818
1998-11-12Jumbo patch from Geoff Noer to rename CYGWIN32 to CYGWIN.Geoffrey Noer1-3/+3
From-SVN: r23622
1998-10-19* libgcc2.c (__pure_virtual): Call __terminate instead of _exit.Mike Stump1-1/+1
From-SVN: r23185
1998-10-19libgcc2.c (eh_context_static): Do not call malloc to allocate the static ↵Jeffrey A Law1-4/+9
eh_context structure. * libgcc2.c (eh_context_static): Do not call malloc to allocate the static eh_context structure. From-SVN: r23175
1998-10-17Warning fixes:Kaveh R. Ghazi1-1/+1
* Makefile.in (flow.o): Depend on recog.h. * cpplib.h (directive_table): Add missing initializiers. (finclude): Change type of variable `bsize' to size_t. * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED. * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE. * fix-header.c (lookup_std_proto): Cast the result of `strlen' to `int' when comparing against one. (cpp_file_line_for_message): Mark parameter `pfile' with ATTRIBUTE_UNUSED. (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED. * flow.c: Include recog.h. (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR). * function.c (thread_prologue_and_epilogue_insns): Mark parameter `f' with ATTRIBUTE_UNUSED. (reposition_prologue_and_epilogue_notes): Likewise. * genopinit.c (gen_insn): Cast argument of ctype functions to `unsigned char'. * haifa-sched.c: Include recog.h. (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when comparing against one. * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now. * mips-tfile.c (parse_end): Cast the argument of ctype function to `unsigned char'. (parse_ent): Likewise. (parse_input): Likewise. * optabs.c (init_libfuncs): Likewise. * protoize.c (find_rightmost_formals_list): Likewise. * recog.h (const_double_operand): Fix typo in prototype. * tlink.c (scan_linker_output): Cast the argument of ctype function to `unsigned char'. * toplev.c (check_lang_option): Cast the result of `strlen' to `int' when comparing against one. From-SVN: r23155
1998-10-14Add ATTRIBUTE_NORETURN in a bunch of places:Kaveh R. Ghazi1-0/+11
* cppalloc.c (memory_full): Mark function prototype with ATTRIBUTE_NORETURN. * demangle.h (collect_exit): Likewise. * fix-header.c (v_fatal, fatal): Likewise. * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort): Likewise. * gcov.c (print_usage): Likewise. * genattr.c (fatal, fancy_abort): Likewise. * genattrtab.c (fatal, fancy_abort): Likewise. * gencodes.c (fatal, fancy_abort): Likewise. * genconfig.c (fatal, fancy_abort): Likewise. * genemit.c (fatal, fancy_abort): Likewise. * genextract.c (fatal, fancy_abort): Likewise. * genflags.c (fatal, fancy_abort): Likewise. * genopinit.c (fatal, fancy_abort): Likewise. * genoutput.c (fatal, fancy_abort): Likewise. * genpeep.c (fatal, fancy_abort): Likewise. * genrecog.c (fatal, fancy_abort): Likewise. * libgcc2.c (__eprintf, __default_terminate, __sjthrow, __sjpopnthrow, __throw): Likewise. * objc/objc-act.c (objc_fatal): Likewise. * protoize.c (usage, aux_info_corrupted, declare_source_confusing): Likewise. * rtl.c (dump_and_abort): Likewise. * rtl.h (sets_cc0_p): Likewise. * toplev.c (float_signal, pipe_closed): Likewise. From-SVN: r23084
1998-09-21expr.h (eh_rtime_match_libfunc): New extern declaration.Andrew MacLeod1-2/+4
Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com> * expr.h (eh_rtime_match_libfunc): New extern declaration. * optabs.c (init_optabs): Set eh_rtime_match_libfunc. * except.c (start_catch_handler): Use eh_rtime_match_libfunc. * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is NULL. Only include <stdio.h> if inhibit_libc is not defined. From-SVN: r22532
1998-09-17[multiple changes]Andrew MacLeod1-3/+9
Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com> * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and re-align some code. * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>. 1998-09-17 Andrew MacLeod <amacleod@cygnus.com> * exception.cc (__cplus_type_matcher): realign some code. From-SVN: r22462
1998-09-15tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused.Richard Henderson1-82/+66
* tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill. (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill. (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill. (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New. * c-decl.c (init_decl_processing): Update accordingly. * expr.c (expand_builtin): Likewise. * cp/decl.c (init_decl_processing): Likewise. * rtl.h (global_rtl): Add cfa entry. (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New. (LAST_VIRTUAL_REGISTER): Update. * emit-rtl.c (global_rtl): Add cfa entry. (init_emit): Initialize it. * function.c (cfa_offset): New. (instantiate_virtual_regs): Initialize it. (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx. (expand_function_end): Call expand_eh_return. * tm.texi (ARG_POINTER_CFA_OFFSET): New. * except.c (current_function_eh_stub_label): Kill. (current_function_eh_old_stub_label): Likwise; update all references. (expand_builtin_set_return_addr_reg): Kill. (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill. (expand_builtin_set_eh_regs): Kill. (eh_regs): Produce a third reg for the actual handler address. (eh_return_context, eh_return_stack_adjust): New. (eh_return_handler, eh_return_stub_label): New. (init_eh_for_function): Initialize them. (expand_builtin_eh_return, expand_eh_return): New. * except.h: Update prototypes. * flow.c (find_basic_blocks_1): Update references to the stub label. * function.h (struct function): Kill stub label elements. * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the register number is one that would be in the previous window. Provide a dummy definition for non-windowed targets. (get_reg_addr): New function. (get_reg, put_reg, copy_reg): Use it. (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa. * alpha.c (alpha_eh_epilogue_sp_ofs): New. (alpha_init_expanders): Initialize it. (alpha_expand_epilogue): Use it. * alpha.h: Declare it. * alpha.md (eh_epilogue): New. * m68h.h (ARG_POINTER_CFA_OFFSET): New. * sparc.h (ARG_POINTER_CFA_OFFSET): New. From-SVN: r22436
1998-09-15[multiple changes]Andrew MacLeod1-0/+15
Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com> * except.h (struct eh_entry): Add false_label field. (end_catch_handler): Add prototype. * except.c (push_eh_entry): Set false_label field to NULL_RTX. (start_catch_handler): When using old style exceptions, issue runtime typematch code before continuing with the handler. (end_catch_handler): New function, generates label after handler if needed by older style exceptions. (expand_start_all_catch): No need to check for new style exceptions. (output_exception_table_entry): Only output the first handler label for old style exceptions. * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching mechanism into one function, if a runtime matcher is provided. 1998-09-15 Andrew MacLeod <amacleod@cygnus.com> * cp/except.c (expand_start_catch_block): No need to check for new exception model. (process_start_catch_block_old): Deleted. (process_start_catch_block): Add call to start_decl_1(). (expand_end_catch_block): Add call to end_catch_handler(). * cp/exception.cc (__cplus_type_matcher): Only check the exception language if there is an exception table. From-SVN: r22425
1998-07-06libgcc2.c (L_exit): Provide a fake for atexit on systems which define ↵Manfred Hollstein1-2/+10
ON_EXIT but not HAVE_ATEXIT. * libgcc2.c (L_exit): Provide a fake for atexit on systems which define ON_EXIT but not HAVE_ATEXIT. From-SVN: r20982
1998-07-06libgcc2.c (__eprintf): Make args consistent with prototype in assert.h.Dave Love1-1/+1
* libgcc2.c (__eprintf): Make args consistent with prototype in assert.h. From-SVN: r20943