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1999-02-25Flow rewrite to use basic block structures and edge lists.Richard Henderson1-0/+1
From-SVN: r25450
1999-02-08output.h (current_function_has_computed_jump): Rename from ↵Richard Henderson1-1/+1
current_function_addresses_labels. * output.h (current_function_has_computed_jump): Rename from current_function_addresses_labels. * function.h (struct function): Likewise for addresses_labels member. * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise. * function.c (current_function_has_computed_jump): Likewise. Update all references. * integrate.c (function_cannot_inline_p): Test current_function_has_computed_jump instead of addresses_labels. (initialize_for_inline): Likewise save. (output_inline_function): Likewise restore. * expr.c (expand_expr): Don't reference addresses_labels variables. * stmt.c (expand_computed_goto): Set has_computed_jump. From-SVN: r25100
1999-01-26Merge in gcc2 snapshot 19980929. See gcc/ChangeLog and gcc/FSFChangeLog forJeffrey A Law1-0/+1
details. From-SVN: r24879
1998-11-20function.c (nonlocal_goto_handler_slots): Renamed from ↵Bernd Schmidt1-1/+1
nonlocal_goto_handler_slot; now an EXPR_LIST chain. * function.c (nonlocal_goto_handler_slots): Renamed from nonlocal_goto_handler_slot; now an EXPR_LIST chain. (push_function_context_to): Adjust for this change. (pop_function_context_from): Likewise. (init_function_start): Likewise. (expand_function_end): Likewise. * function.h (struct function): Likewise. * calls.c (expand_call): Likewise. * explow.c (allocate_dynamic_stack_space): Likewise. * expr.h (nonlocal_goto_handler_slots): Rename its declaration. * stmt.c (declare_nonlocal_label): Make a new handler slot for each label. (expand_goto): When doing a nonlocal goto, find corresponding handler slot for it. Don't put the label address in the static chain register. (expand_end_bindings): Break out nonlocal goto handling code into three new functions. (expand_nl_handler_label, expand_nl_goto_receiver, expand_nl_goto_receivers): New static functions, broken out of expand_end_bindings and adapted to create one handler per nonlocal label. * function.c (delete_handlers): Delete insn if it references any of the nonlocal goto handler slots. * i960.md (nonlocal_goto): Comment out code that modifies static_chain_rtx. * sparc.md (nonlocal_goto): Likewise. (goto_handler_and_restore_v9): Comment out. (goto_handler_and_restore_v9_sp64): Comment out. From-SVN: r23732
1998-10-22expr.c (pending_chain): Move up.Jason Merrill1-0/+1
* expr.c (pending_chain): Move up. (save_expr_status): Do save pending_chain. (restore_expr_status): And restore it. * function.h (struct function): Add pending_chain. From-SVN: r23241
1998-10-11Fine-grained control of -fcheck-memory-usage with new no_check_memory_usage ↵Ken Raeburn1-0/+1
attribute. Fine-grained control of -fcheck-memory-usage with new no_check_memory_usage attribute. Misc minor bugfixes and tests for it too. From-SVN: r22983
1998-09-15tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused.Richard Henderson1-2/+0
* 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
1998-09-09except.h (current_function_eh_stub_label): Declare.Bernd Schmidt1-0/+2
* except.h (current_function_eh_stub_label): Declare. (current_function_eh_old_stub_label): Declare. * function.h (struct function): New members eh_stub_label and eh_old_stub_label. * except.c (current_function_eh_stub_label): New variable. (current_function_eh_old_stub_label): New variable. (init_eh_for_function): Clear them. (save_eh_status): Save them. (restore_eh_status): Restore them. (expand_builtin_eh_stub): Set current_function_eh_stub_label. (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label. * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't make an edge from the block that contains it to the block starting with the label if this label is one of the eh stub labels. If eh stub labels exist, show they are reachable from the last block in the function. From-SVN: r22369
1998-07-30Function entry/exit profiling instrumentation:Ken Raeburn1-0/+1
* expr.h (profile_function_entry_libfunc, profile_function_exit_libfunc): Declare new variables. * optabs.c: Define them here. (init_optabs): Initialize them. * tree.h (struct tree_decl): New flag no_instrument_function_entry_exit. (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro. * c-decl.c (duplicate_decls): Merge it. * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION. (init_attributes): Use it for "no_instrument_function". (decl_attributes): Handle it, for functions that have not yet been compiled. Set decl flag. * flags.h (flag_instrument_function_entry_exit): Declare new variable. * toplev.c (flag_instrument_function_entry_exit): Define it here. (f_options): New option "instrument-functions". * function.h (struct function): New field instrument_entry_exit. * function.c (current_function_instrument_entry_exit): New variable. (push_function_context_to, pop_function_context_from): Save and restore. (expand_function_start): Set current_ variable, maybe emit return label and entry profile call. (expand_function_end): Maybe emit exit profile call. Testsuite: * gcc.c-torture/special/eeprof-1.c: New test, for -finstrument-functions. * gcc.c-torture/special/special.exp: Run it. From-SVN: r21495
1998-06-20flow.c (allocate_for_life_analysis, [...]): Remove declaration.H.J. Lu1-0/+2
* flow.c (allocate_for_life_analysis, init_regset_vector): Remove declaration. * function.h (get_first_block_beg): New declaration. * gbl-ctors.h (__do_global_dtors): Add prototype. * gcov-io.h (__fetch_long): New declaration. (__store_long): Likewise. (__read_long): Likewise. (__write_long): Likewise. * gcov.c (print_usage): New declaration. * Makefile.in (c-iterate.o): Depend on insn-codes.h too. From-SVN: r20631
1998-06-08function.c: Define current_function_cannot_inline.Jason Merrill1-0/+1
* function.c: Define current_function_cannot_inline. (push_function_context_to): Save it. (pop_function_context_from): Restore it. * function.h (struct function): Provide it a home. * output.h: Declare it. * integrate.c (function_cannot_inline_p): Check it. * decl.c (cp_finish_decl): Disable inlining of extern inlines with static variables. From-SVN: r20332
1998-05-28Make rtx, tree types type correct if the appropriate include files was not ↵Michael Meissner1-4/+6
included From-SVN: r20114
1998-05-14First cut of changes to utilize the new exception handling modelAndrew MacLeod1-0/+1
From-SVN: r19746
1998-04-04* Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12Jeff Law1-1/+3
for details. * haifa-sched.c: Mirror recent changes from gcc2. From-SVN: r18984
1997-12-11[multiple changes]Teemu Torma1-6/+18
Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com> Thread-safe EH support for pthreads, DCE threads and Solaris threads. * integrate.c (expand_inline_function): If the inline fn uses eh context, make sure that the current fn has one. * toplev.c (rest_of_compilation): Call emit_eh_context. * except.c (use_eh_context): New fn. (get_eh_context_once): New fn. (call_get_eh_context): New fn. (emit_eh_context): New fn. (get_eh_context): Call either get_eh_context_once or call_get_eh_context, depending on what we have. (get_dynamic_handler_chain): Call get_eh_context_once. * except.h: Prototypes for fns above. * optabs.c (get_eh_context_libfunc): Removed. (init_optabs): Don't initialize it. * expr.h (get_eh_context_libfunc): Removed. * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT. * config/pa/pa.h (CPP_SPEC): Support for -threads. * config/pa/pa-hpux10.h (LIB_SPEC): Ditto. * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): New multilib for -threads. * config/sparc/t-sol2: Added multilibs for -threads and made -pthreads alias to it. * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC): Added -threads and -pthreads options. * libgcc-thr.h: New file. * libgcc2.c: (__get_cpp_eh_context): Removed. (struct cpp_eh_context): Removed. (struct eh_context): Replaced cpp_eh_context with generic language specific pointer. (__get_eh_info): New function. (__throw): Check eh_context::info. (__sjthrow): Ditto. * libgcc2.c: Include libgcc-thr.h. (new_eh_context, __get_eh_context, eh_pthread_initialize, eh_context_initialize, eh_context_static, eh_context_specific, eh_context_free): New functions. (get_eh_context, eh_context_key): New variables. (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use get_eh_context to get the context. (longjmp): Move the declaration inside #ifdef DONT_USE_BUILTIN_SETJMP. * frame.c: Include libgcc-thr.h. (object_mutex): Mutex to protect the object list. (find_fde, __register_frame, __register_frame_table, __deregister_frame): Hold the lock while accessing objects. * except.h (get_eh_context): Declare. * except.c (current_function_ehc): Define. (current_function_dhc, current_function_dcc): Removed. (get_eh_context): New function. (get_dynamic_handler_chain): Use get_eh_context. (get_saved_pc_ref): Ditto. (get_dynamic_cleanup_chain): Removed references to current_function_dcc. (save_eh_status, restore_eh_status): Save and restore current_function_ehc instead. * optabs.c (get_eh_context_libfunc): New variable. (init_optabs): Initialize it. * expr.h: Declare get_eh_context_libfunc. * function.h (struct function): Replaced dhc and dcc with ehc. * except.c (get_saved_pc_ref): New functions. (eh_saved_pc_rtx, eh_saved_pc): Deleted. (expand_internal_throw_indirect): Use get_saved_pc_ref() instead of eh_saved_pc. (end_eh_unwinder): Likewise. (init_eh): Remove initialization of eh_saved_pc. * optabs.c (get_saved_pc_libfunc): New variable. (init_optabs): Initialize it. * expr.h: Declare get_saved_pc_libfunc. * except.h (eh_saved_pc_rtx): Deleted. (get_saved_pc_ref): Declared. From Scott Snyder <snyder@d0sgif.fnal.gov>: * libgcc2.c (__get_saved_pc): New. (__eh_type, __eh_pc): Deleted. (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc. (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside this fcn. cp/: Thu Dec 11 20:43:33 1997 Teemu Torma <tot@trema.com> * decl.c (ptr_ptr_type_node): Define. (init_decl_processing): Initialize it. * cp-tree.h: Declare it. * exception.cc (__cp_exception_info): Use __get_eh_info. (__cp_push_exception): Ditto. (__cp_pop_exception): Ditto. From Scott Snyder <snyder@d0sgif.fnal.gov>: * except.c (expand_builtin_throw): Use get_saved_pc_ref instead of saved_pc. (init_exception_processing): Removed saved_pc initialization. From-SVN: r17052
1997-04-24xJason Merrill1-0/+1
From-SVN: r13974
1997-04-23Add setjmp/longjmp exception handling.Mike Stump1-1/+2
From-SVN: r13968
1997-01-03(struct function): New field args_info.Richard Kenner1-1/+2
From-SVN: r13354
1996-12-07(struct function): Make frame_offset be HOST_WIDE_INT.Richard Kenner1-1/+6
(get_frame_size): Add definition. From-SVN: r13244
1996-07-23install EH codeMike Stump1-0/+8
From-SVN: r12549
1996-04-16(struct function): New field returns_pointer.Richard Kenner1-1/+2
From-SVN: r11813
1995-12-27(struct function): New field regno_pointer_align.Richard Kenner1-0/+1
From-SVN: r10867
1995-07-14(struct function): Add stdarg field.Richard Kenner1-1/+2
From-SVN: r10122
1995-06-15Update FSF address.Richard Kenner1-1/+2
From-SVN: r9961
1995-03-15Handle compilation of nested functions from another scope.Jason Merrill1-0/+10
From-SVN: r9185
1994-12-30({save_restore}_varasm_status): Add decls.Richard Kenner1-6/+10
From-SVN: r8711
1994-04-06(struct function): New field for current_function_varargs.Richard Kenner1-1/+2
From-SVN: r6985
1994-03-08(struct function): Add momentary_function_firstobjJim Wilson1-0/+1
field. From-SVN: r6724
1993-11-25(struct sequence_stack): New field sequence_rtl_expr.Richard Kenner1-1/+3
(struct function): Likewise. From-SVN: r6160
1993-10-11(struct function): New field `machine'.Richard Stallman1-1/+9
From-SVN: r5722
1993-09-15(struct function): New field has_nonlocal_goto.Jim Wilson1-0/+1
From-SVN: r5337
1993-03-23(struct function): Add apply_args_value field.Tom Wood1-0/+1
From-SVN: r3844
1993-03-19Add prototypes.Jim Wilson1-2/+2
From-SVN: r3794
1992-10-10(struct function): New fields const_rtx_hash_table,Richard Stallman1-0/+6
const_rtx_sym_hash_table, first_pool, last_pool, pool_offset. From-SVN: r2392
1992-09-24(struct function): Add epilogue_delay_list field.Jim Wilson1-0/+3
From-SVN: r2244
1992-09-19(struct var_refs_queue): Remove unused field ORIGINAL.Richard Kenner1-2/+3
Add new fields PROMOTED_MODE and UNSIGNEDP. From-SVN: r2176
1992-08-11(identify_blocks): Declare.Jim Wilson1-8/+12
(rtx, tree): Move undefs to the very end. From-SVN: r1798
1992-03-05entered into RCSCharles Hannum1-0/+188
From-SVN: r396
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