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2003-03-17function.c (assign_parms): For a struct value address passed as first ↵Olivier Hainque1-18/+20
argument... * function.c (assign_parms): For a struct value address passed as first argument, delay the function's result RTL setup code until after the emission of parameter conversions. From-SVN: r64493
2003-03-17function.c (thread_prologue_and_epilogue_insns): Set delete_unused argument ↵Michael Hayes1-1/+1
to 0 for redirect_jump. * function.c (thread_prologue_and_epilogue_insns): Set delete_unused argument to 0 for redirect_jump. From-SVN: r64468
2003-03-15re PR rtl-optimization/9387 (jump threading bug)Michael Hayes1-12/+1
PR optimization/9387 * function.c (thread_prologue_and_epilogue_insns): Use redirect_jump for conditional returns. From-SVN: r64390
2003-03-04function.c (STACK_ALIGNMENT_NEEDED): New macro.John David Anglin1-7/+22
* function.c (STACK_ALIGNMENT_NEEDED): New macro. Default to 1. (assign_stack_local_1): Perform overall stack alignment only when STACK_ALIGNMENT_NEEDED is non-zero. * doc/tm.texi (STACK_ALIGNMENT_NEEDED): Document. * pa.c (compute_frame_size): Rename fsize to size. Account for alignment to a word boundary before general register save block. Only account for double-word alignment before floating point register save block if one or more are saved. Don't allocate space for %r3 when frame pointer is needed. (hppa_expand_prologue): Include alignment to word boundary in local frame size. * pa.h (STARTING_FRAME_OFFSET): Define to 8 on both 32 and 64-bit ports. (STACK_ALIGNMENT_NEEDED): Define. From-SVN: r63771
2003-02-28emit-rtl.c (set_reg_attrs_for_parm): New function.Josef Zlomek1-1/+1
* emit-rtl.c (set_reg_attrs_for_parm): New function. * rtl.h (set_reg_attrs_for_parm): New exported function. * function.c (assign_parms): Use set_reg_attrs_for_parm instead of set_reg_attrs_from_mem. From-SVN: r63548
2003-02-26function.c (assign_stack_local_1): Truncate constant added to ↵Alexandre Oliva1-3/+6
frame_pointer_rtx or virtual_stack_vars_rtx for Pmode. * function.c (assign_stack_local_1): Truncate constant added to frame_pointer_rtx or virtual_stack_vars_rtx for Pmode. From-SVN: r63488
2003-02-26function.c (assign_parms): Set reg_attrs for parameters passed in registers.Josef Zlomek1-0/+4
* function.c (assign_parms): Set reg_attrs for parameters passed in registers. From-SVN: r63458
2003-02-19calls.c (expand_call): Update call of INIT_CUMULATIVE_ARGSJan Hubicka1-1/+1
* calls.c (expand_call): Update call of INIT_CUMULATIVE_ARGS * function.c (assign_params): Likewise. * arm-protos.h (arm_init_cumulative_args): Update prototype. * arm.c (arm_init_cumulative_args): Update function. * arm.h (INIT_CUMULATIVE_ARGS): Update. * avr-protos.h (init_cumulative_args): Update prototype. * avr.c (init_cumulative_args): Update function. * avr.h (INIT_CUMULATIVE_ARGS): Update. * d30v-protos.h (d30v_init_cumulative_args): Update prototype. * d30v.c (d30v_init_cumulative_args): Update function. * d30v.h (INIT_CUMULATIVE_ARGS): Update. * frv-protos.h (frv_init_cumulative_args): Update prototype. * frv.c (frv_init_cumulative_args): Update function. * frv.h (INIT_CUMULATIVE_ARGS): Update. * mips.c (mips_expand_prolgue): Update call of INIT_CUMULATIVE_ARGS. * pa.h (INIT_CUMULATIVE_ARGS): Update. * sparc-protos.h (init_cumulative_args): Update prototype. * sparc.c (init_cumulative_args): Update function. * sparc.h (INIT_CUMULATIVE_ARGS): Update. * tm.texi (INIT_CUMULATIVE_ARGS): Update documentation. From-SVN: r63126
2003-02-15bb-reorder.c (find_traces_1_round): Don't connect easy to copy successors ↵Richard Henderson1-0/+2
with multiple predecessors. * bb-reorder.c (find_traces_1_round): Don't connect easy to copy successors with multiple predecessors. (connect_traces): Try harder to copy traces of length 1. * function.h (struct function): Add computed_goto_common_label, computed_goto_common_reg. * function.c (free_after_compilation): Zap them. * stmt.c (expand_computed_goto): Use them to produce one indirect branch per function. From-SVN: r62944
2003-02-01[multiple changes]Richard Henderson1-0/+2
2003-02-01 Richard Henderson <rth@redhat.com> * optabs.c (expand_unop): Use word_mode for outmode of bit scaners. * libgcc2.c (__ffsdi2, __clzsi2, __clzdi2, __ctzsi2, __ctzdi2, __popcountsi2, __popcountdi2, __paritysi2 __paritydi2): Change return type to Wtype. * libgcc-std.ver (GCC_3.4): Fix inheritance. * config/i386/i386.md (ffssi2): Use nonimmediate_operand for expander input constraint. 2003-02-01 Falk Hueffner <falk.hueffner@student.uni-tuebingen.de> * optabs.h (optab_index): Add OTI_clz, OTI_ctz, OTI_popcount and OTI_parity. (clz_optab, ctz_optab, popcount_optab, parity_optab): New. * optabs.c (widen_clz, expand_parity): New. (expand_unop): Handle clz and parity. Hardcode SImode as outmode for libcalls to clz, ctz, popcount, and parity. (init_optabs): Init clz_optab, ctz_optab, popcount_optab and parity_optab, and set up libfunc handlers. * libgcc2.c (__clzsi2, __clzdi2, __ctzsi2, __ctzdi2, __popcountsi2, __popcountdi2, __paritysi2 __paritydi2, __popcount_tab): New. * libgcc2.h: Declare them. * libgcc-std.ver (GCC_3.4): Add new functions from libgcc2.c. * genopinit.c (optabs): Add clz_optab, ctz_optab, popcount_optab and parity_optab. * builtin-types.def (BT_FN_INT_LONG, BT_FN_INT_LONGLONG): New. * builtins.def (BUILT_IN_CLZ, BUILT_IN_CTZ, BUILT_IN_POPCOUNT, BUILT_IN_PARITY, BUILT_IN_FFSL, BUILT_IN_CLZL, BUILT_IN_CTZL, BUILT_IN_POPCOUNTL, BUILT_IN_PARITYL, BUILT_IN_FFSLL, BUILT_IN_CLZLL, BUILT_IN_CTZLL, BUILT_IN_POPCOUNTLL, BUILT_IN_PARITYLL): New. * builtins.c (expand_builtin_unop): Rename from expand_builtin_ffs and add optab argument. (expand_builtin): Expand BUILT_IN_{FFS,CLZ,POPCOUNT,PARITY}*. * tree.def (CLZ_EXPR, CTZ_EXPR, POPCOUNT_EXPR, PARITY_EXPR): New. * expr.c (expand_expr): Handle them. * fold-const.c (tree_expr_nonnegative_p): Likewise. * rtl.def (CLZ, CTZ, POPCOUNT, PARITY): New. * reload1.c (eliminate_regs): Handle them. (elimination_effects): Likewise. * function.c (instantiate_virtual_regs_1): Likewise * genattrtab.c (check_attr_value): Likewise. * simplify-rtx.c (simplify_unary_operation): Likewise. * c-common.c (c_common_truthvalue_conversion): Handle POPCOUNT_EXPR. * combine.c (combine_simplify_rtx): Handle POPCOUNT and PARITY. (nonzero_bits): Handle CLZ, CTZ, POPCOUNT and PARITY. * config/alpha/alpha.md (clzdi2, ctzdi2, popcountdi2): New. * config/arm/arm.c (arm_init_builtins): Rename __builtin_clz to __builtin_arm_clz. * Makefile.in (LIB2FUNCS_1, LIB2FUNCS_2): Move... * mklibgcc.in (lib2funcs): ...here and merge. Add new members. * doc/extend.texi (Other Builtins): Add new builtins. * doc/md.texi (Standard Names): Add new patterns. From-SVN: r62252
2003-01-27re PR rtl-optimization/9090 ([3.2/3.3/3.4 regression?] arm ICE with >= -O2; ↵Richard Earnshaw1-4/+1
regression from 2.95) PR optimization/9090 * function.c (purge_addressof_1): After pushing an addressed register onto the stack, simplify the result. From-SVN: r61881
2003-01-25builtins.c (purge_builtin_constant_p): Scan insn stream sequentially rather ↵Roger Sayle1-2/+1
than by basic block. * builtins.c (purge_builtin_constant_p): Scan insn stream sequentially rather than by basic block. * function.c (purge_addressof): Simplify test with INSN_P. From-SVN: r61789
2003-01-25function.h (struct function): New field calls_constant_p.Roger Sayle1-0/+2
* function.h (struct function): New field calls_constant_p. (current_function_calls_constant_p): New macro for above. * function.c (prepare_function_start): Initialize calls_eh_return and calls_constant_p. * builtins.c (expand_builtin_constant_p): Set calls_constant_p. * toplev.c (rest_of_compilation): Only call purge_builtin_constant_p when the current_function_calls_constant_p. * integrate.c (expand_inline_function): Set calls_constant_p if the function being inlined has calls_constant_p set. From-SVN: r61786
2003-01-24emit-rtl.c (reg_attrs_htab): New static variable.Jan Hubicka1-9/+0
* emit-rtl.c (reg_attrs_htab): New static variable. (reg_attrs_htab_hash, reg_attrs_htab_eq, get_reg_attrs): New static functions. (reg_rtx): Do not maintain regno_decl. (gen_rtx_REG_offset, set_reg_attrs_from_mem, set_delc_rtx, set_mem_attrs_from_reg): New global function. (init_emit): Do not initialize regno_decl. (init_emit_once): initialize reg_attrs_htab. * final.c (alter_subreg): Do not replace REG by SUBREG. (gen_mem_expr_from_op): Improve output. (output_asm_operands): Likewise. * function.c (assign_params): Do not set REGNO_DECL. * function.h (struct function): Kill regno_decl. (REGNO_DECL): Kill. * gengtype.c (adjust_field_rtx_def): Handle new field of reg. * print_rtl.c (print_rtx): Output REG information. * regclass.c (reg_scan_mark_refs): Update attrs. * reload1.c (alter_reg): Likewise. * simplify_rtx.c (simplify_subreg): Likewise. * stmt.c (expand_decl): Likewise. * rtl.def (REG): Add new field. * rtl.h (struct reg_attrs): New. (rtunion_def): At rtreg. (X0MEMATTR): Add checking. (X0REGATTR, REG_ATTRS, REG_EXPR, REG_OFFSET): New macro. (set_reg_attrs_from_mem, set_mem_attrs_from_reg, gen_rtx_REG_offset): Declare. * tree.h (SET_DECL_RTL): Call set_decl_rtl. From-SVN: r61741
2003-01-24Rename -W to -Wextra.Phil Edwards1-2/+3
2003-01-24 Phil Edwards <pme@gcc.gnu.org> Rename -W to -Wextra. * c-decl.c: Update comments. * c-typeck.c: Likewise. * flags.h: Likewise. * function.c: Likewise. * stmt.c: Likewise. * toplev.c: Update comments. (W_options): Add 'extra'. (display_help): Remove '-W'. (decode_W_option): Special warn_uninitialized treatment in the case of -Wextra. * doc/invoke.texi: Update with new entries. From-SVN: r61696
2003-01-16arm.h (CONDITIONAL_REGISTER_USAGE): Avoid signed/unsigned warning.Kaveh R. Ghazi1-1/+1
* arm.h (CONDITIONAL_REGISTER_USAGE): Avoid signed/unsigned warning. * emit-rtl.c (gen_rtx_REG, set_mem_attributes_minus_bitpos, init_emit_once): Likewise. * flow.c (mark_regs_live_at_end, calculate_global_regs_live): Likewise. * function.c (assign_stack_temp_for_type): Likewise. * loop.c (loop_invariant_p): Likewise. * recog.c (push_operand): Likewise. * regclass.c (init_reg_sets_1): Likewise. * reload.c (update_auto_inc_notes): Likewise. * reload1.c (reload_as_needed, emit_input_reload_insns): Likewise. * stmt.c (expand_asm_operands): Likewise. * stor-layout.c (start_record_layout): Likewise. cp: * class.c (layout_virtual_bases): Avoid signed/unsigned warning. java: * jcf-write.c (generate_bytecode_insns): Avoid signed/unsigned warning. From-SVN: r61389
2003-01-10Merge from pch-branch.Geoffrey Keating1-1/+1
From-SVN: r61136
2003-01-09function.c (assign_parms): Don't set pretend_args_size if REG_PARM_STACK_SPACE.Dale Johannesen1-0/+6
2003-01-08 Dale Johannesen <dalej@apple.com> * function.c (assign_parms): Don't set pretend_args_size if REG_PARM_STACK_SPACE. config/rs6000/rs6000.c (setup_incoming_varargs): Don't set pretend_args_size. From-SVN: r61063
2002-12-16Merge basic-improvements-branch to trunkZack Weinberg1-74/+3
From-SVN: r60174
2002-12-13c-decl.c: Fix a comment typo.Kazu Hirata1-1/+1
* c-decl.c: Fix a comment typo. * cfg.c: Likewise. * cfgcleanup.c: Likewise. * cfglayout.c: Likewise. * cfgrtl.c: Likewise. * c-typeck.c: Likewise. * dominance.c: Likewise. * dwarf2asm.c: Likewise. * dwarfout.c: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * final.c: Likewise. * flow.c: Likewise. * function.c: Likewise. * gcc.c: Likewise. * genautomata.c: Likewise. * integrate.c: Likewise. * loop.c: Likewise. * loop.h: Likewise. * output.h: Likewise. * profile.c: Likewise. * ra.h: Likewise. * reload1.c: Likewise. * reload.c: Likewise. * sched-rgn.c: Likewise. * stmt.c: Likewise. * tree.h: Likewise. * vmsdbgout.c: Likewise. From-SVN: r60085
2002-11-27expr.c (gen_group_rtx, [...]): New functions.John David Anglin1-12/+19
* expr.c (gen_group_rtx, emit_group_move): New functions. * expr.h (gen_group_rtx, emit_group_move): Prototype. * function.c (expand_function_start): Use gen_group_rtx to create a PARALLEL rtx to hold the return value when the real return rtx is a PARALLEL. (expand_function_end): Use emit_group_move to move the return value from a PARALLEL to the real return registers. * rtl.h (REG_FUNCTION_VALUE_P): Allow function values to be returned in PARALLELs. From-SVN: r59554
2002-10-14re PR rtl-optimization/6631 (Miscompiled structure access)Mark Mitchell1-1/+2
PR optimization/6631 * Makefile.in (function.o): Depend on langhooks.h. * alias.c (objects_must_conflict_p): Check honor_readonly when examining TYPE_READONLY. * function.c (assign_stack_temp_for_type): Likewise. PR optimization/6631 * g++.dg/opt/const2.C: New test. From-SVN: r58136
2002-10-11re PR c/7344 (performance regression on huge case statements)Jan Hubicka1-0/+2
* calls.c (expand_call): Simplify noreturn call. PR c/7344 * cfgbuild.c (make_edges): Create edge cache when we do have large jumptable. (do_tablejump): Note size of maximal jumptable. * function.c (prepare_function_start): Zero out size. * function.h (function): Add max_jumptable_ents. * cfgcleanup.c (insn_match_p): Verify sibcall flag for calls to. From-SVN: r58063
2002-10-11decl.c (typename_hash): Use htab_hash_pointer.Kaveh R. Ghazi1-1/+1
cp: * decl.c (typename_hash): Use htab_hash_pointer. gcc: * fold-const.c (size_htab_hash): Use htab_hash_pointer. * function.c (insns_for_mem_hash): Likewise. * varasm.c (STRHASH): Likewise. java: * class.c (JAVA_TREEHASHHASH_H): Use htab_hash_pointer. From-SVN: r58036
2002-09-22dbxout.c: Follow spelling conventions.Kazu Hirata1-6/+6
* dbxout.c: Follow spelling conventions. * defaults.h: Likewise. * df.c: Likewise. * diagnostic.h: Likewise. * doloop.c: Likewise. * dwarf2out.c: Likewise. * dwarfout.c: Likewise. * emit-rtl.c: Likewise. * except.c: Likewise. * explow.c: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. * flags.h: Likewise. * flow.c: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * function.h: Likewise. * gcc.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattrtab.c: Likewise. * genconfig.c: Likewise. * genrecog.c: Likewise. * ggc-page.c: Likewise. * ggc.h: Likewise. * global.c: Likewise. * gthr-win32.h: Likewise. * integrate.c: Likewise. * jump.c: Likewise. * langhooks.c: Likewise. * langhooks.h: Likewise. * line-map.h: Likewise. * local-alloc.c: Likewise. * longlong.h: Likewise. * loop.c: Likewise. * loop.h: Likewise. From-SVN: r57406
2002-09-17calls.c (store_one_arg): Set default alignment for BLKmode arguments to ↵John David Anglin1-7/+20
BITS_PER_UNIT when... * calls.c (store_one_arg): Set default alignment for BLKmode arguments to BITS_PER_UNIT when ARGS_GROW_DOWNWARD and the padding direction is downward. * function.c (pad_below): Always compile. (locate_and_pad_parm): If defined ARGS_GROW_DOWNWARD, pad argument to alignment when it is not in a register or REG_PARM_STACK_SPACE is true. Pad below when the argument is not in a register and the padding direction is downward. * pa-64.h (MUST_PASS_IN_STACK): Move define to pa.h. (PAD_VARARGS_DOWN): Define. * pa.c (function_arg_padding): Revise padding directions to make them compatible with the 32 and 64-bit runtime architecture documentation. (hppa_va_arg): Add code to handle variable and size zero arguments passed by reference on TARGET_64BIT. Reformat. (function_arg): Use a PARALLEL for BLKmode and aggregates args on TARGET_64BIT. Use a DImode PARALLEL for BLKmode args 5 to 8 bytes wide when !TARGET_64BIT. Move forward check for mode==VOIDmode. Add comments. * pa.h (MAX_PARM_BOUNDARY): Correct define for TARGET_64BIT. (RETURN_IN_MEMORY): Return size zero types in memory. (FUNCTION_VALUE): Return TFmode in general registers. (MUST_PASS_IN_STACK): Define. (FUNCTION_ARG_BOUNDARY): Simplify. (FUNCTION_ARG_PASS_BY_REFERENCE): Pass variable and zero sized types by reference. (FUNCTION_ARG_CALLEE_COPIES): Define to FUNCTION_ARG_PASS_BY_REFERENCE. From-SVN: r57226
2002-09-16ABOUT-NLS: Follow spelling conventions.Kazu Hirata1-1/+1
* ABOUT-NLS: Follow spelling conventions. * ChangeLog: Likewise. * ChangeLog.1: Likewise. * ChangeLog.2: Likewise. * ChangeLog.3: Likewise. * ChangeLog.4: Likewise. * ChangeLog.5: Likewise. * ChangeLog.6: Likewise. * FSFChangeLog.10: Likewise. * FSFChangeLog.11: Likewise. * c-common.c: Likewise. * c-lex.c: Likewise. * c-objc-common.c: Likewise. * cppexp.c: Likewise. * cppinit.c: Likewise. * cpplex.c: Likewise. * doloop.c: Likewise. * flow.c: Likewise. * function.c: Likewise. * integrate.c: Likewise. * loop.c: Likewise. * reg-stack.c: Likewise. * reload.h: Likewise. * ssa.c: Likewise. From-SVN: r57188
2002-08-29expr.h (enum block_op_methods): New.Richard Henderson1-1/+1
* expr.h (enum block_op_methods): New. (emit_block_move): Update prototype. * expr.c (block_move_libcall_safe_for_call_parm): New. (emit_block_move_via_loop): New. (emit_block_move): Use them. New argument METHOD. (emit_push_insn): Always respect the given alignment. (expand_assignment): Update call to emit_block_move. (store_expr, store_field, expand_expr): Likewise. * builtins.c (expand_builtin_apply): Likewise. (expand_builtin_memcpy, expand_builtin_va_copy): Likewise. * function.c (expand_function_end): Likewise. * config/sh/sh.c (sh_initialize_trampoline): Likewise. * config/sparc/sparc.c (sparc_va_arg): Likewise. * calls.c (expand_call, emit_library_call_value_1): Likewise. (save_fixed_argument_area): Use emit_block_move with BLOCK_OP_CALL_PARM instead of move_by_pieces. (restore_fixed_argument_area): Likewise. (store_one_arg): Fix alignment parameter to emit_push_insn. From-SVN: r56661
2002-08-06* function.c (TRAMPOLINE_ALIGNMENT): Always defined.Neil Booth1-6/+1
From-SVN: r56078
2002-08-04Index: ChangeLogGeoffrey Keating1-3/+0
2002-08-04 Geoffrey Keating <geoffk@redhat.com> * Makefile.in (sdbout.o): Doesn't need $(OBSTACK_H). * collect2.h (permanent_obstack): Delete declaration. * collect2.c (permanent_obstack): Delete definition. (main): Don't initialise permanent_obstack. Use xstrdup instead. * expr.c: Don't include obstack.h. (permanent_obstack): Delete declaration. * function.c: Don't include obstack.h. (permanent_obstack): Delete declaration. * integrate.c: Don't include obstack.h. (function_maybepermanent_obstack): Delete declaration. * print-tree.c (debug_tree): Use x*alloc not permalloc. * sdbout.c (gen_fake_label): Use x*alloc not permalloc. * tlink.c (pfgets): Use xstrdup not permanent_obstack. * toplev.c (lang_independent_init): Rename init_obstacks to init_ttree. * tree.h: Rename init_obstacks to init_ttree. Remove declarations of permalloc, expralloc, perm_calloc. * tree.c (permanent_obstack): Delete definition. (init_ttree): Rename from init_obstacks. (permalloc): Delete. (perm_calloc): Delete. (dump_tree_statistics): Don't print information about permanent_obstack. * varasm.c (assemble_start_function): Use xstrdup instead of permalloc/strcpy. (assemble_variable): Likewise. * config/alpha/alpha.c (unicosmk_need_dex): Use xmalloc instead of permalloc. (unicosmk_add_extern): Likewise. * config/c4x/c4x.c (c4x_external_ref): Likewise. (c4x_global_label): Likewise. * config/frv/frv.c (frv_encode_section_info): Likewise. * config/i386/winnt.c (i386_pe_record_external_function): Likewise. (i386_pe_record_exported_symbol): Likewise. * config/mips/mips.c (mips_output_external): Likewise. (mips_output_external_libcall): Likewise. * config/pa/pa.c: (permanent_obstack): Delete declaration. (output_call): Use ggc_strdup instead of allocating on permanent_obstack. * config/romp/romp.c: Include ggc.h. (get_symref): Don't declare permanent_obstack, use ggc_strdup intead of permanent_obstack. * config/rs6000/aix31.h (ASM_OUTPUT_EXTERNAL): Use concat instead of permalloc. * config/rs6000/rs6000.c (rs6000_gen_section_name): Use xmalloc instead of permalloc * config/rs6000/xcoff.h (ASM_OUTPUT_EXTERNAL): Use concat instead of permalloc. * config/vax/vax.c (vms_check_external): Use xmalloc instead of permalloc. Index: cp/ChangeLog 2002-08-04 Geoffrey Keating <geoffk@redhat.com> * cvt.c (ocp_convert): Delete obsolete code. * parse.y (permanent_obstack): Delete declaration. * pt.c (permanent_obstack): Delete declaration. * repo.c (permanent_obstack): Delete declaration. (open_repo_file): Use xmalloc instead of permanent_obstack. (init_repo): Use xstrdup instead of permanent_obstack. Index: java/ChangeLog 2002-08-04 Geoffrey Keating <geoffk@redhat.com> * class.c: (permanent_obstack): Delete declaration. * constants.c: (permanent_obstack): Delete declaration. * except.c: (permanent_obstack): Delete declaration. * expr.c: (permanent_obstack): Delete declaration. * jcf-parse.c: (permanent_obstack): Delete declaration. (saveable_obstack): Delete declaration. * parse.h: (permanent_obstack): Delete declaration. * typeck.c: (permanent_obstack): Delete declaration. From-SVN: r56035
2002-07-26function.c (assign_parms): Handle frontend-directed pass by invisible reference.Jason Merrill1-0/+9
* function.c (assign_parms): Handle frontend-directed pass by invisible reference. cp/ * call.c (build_over_call): Likewise. (cp_convert_parm_for_inlining): New fn. (convert_for_arg_passing): New fn. (convert_default_arg, build_over_call): Use it. (type_passed_as): New fn. * pt.c (tsubst_decl): Use it. * decl2.c (cp_build_parm_decl): New fn. (build_artificial_parm): Use it. (start_static_storage_duration_function): Likewise. * decl.c (start_cleanup_fn, grokdeclarater): Likewise. (grokparms): Don't mess with DECL_ARG_TYPE. * typeck.c (convert_arguments): Use convert_for_arg_passing. * cp-lang.c (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Define. * cp-tree.h: Declare new fns. From-SVN: r55781
2002-07-21gengenrtl.c (gencode): Don't define obstack_alloc_rtx.Neil Booth1-1/+0
* gengenrtl.c (gencode): Don't define obstack_alloc_rtx. * function.c (SYMBOL__MAIN): Remove definition. * global.c (SET_CONFLICT, REGBITP, ALLOCNO_LIVE_P): Remove. * predict.c (PROB_NEVER, PROB_LIKELY, PROB_UNLIKELY): Remove. * profile.c (GCOV_INDEX_TO_BB): Remove. * sched-rgn.c (ABS_VALUE, MIN_DIFF_PRIORITY, MIN_PROB_DIFF): Remove. * simplify-rtx.c (FIXED_BASE_PLUS_P): Remove. From-SVN: r55631
2002-07-16varargs.h: Replace with stub which issues #error.Zack Weinberg1-30/+3
* ginclude/varargs.h: Replace with stub which issues #error. * ginclude/stdarg.h: __builtin_stdarg_start is renamed __builtin_va_start. * builtins.def (BUILT_IN_VARARGS_START): Delete. (BUILT_IN_VA_START): New. * builtins.c (expand_builtin_va_start): Eliminate first argument and code to implement pre-ISO varargs. (std_expand_builtin_va_start): Ignore first argument; it is always 1. (expand_builtin): Handle BUILT_IN_VA_START and BUILT_IN_STDARG_START identically. Delete BUILT_IN_VARARGS_START case. * function.c (assign_parms): Delete hide_last_arg and all its uses. (mark_varargs): Delete function. * function.h (struct function): Delete 'varargs' bit. (current_function_varargs): Delete macro. * tree.h: Don't declare mark_varargs. * c-decl.c (c_function_varargs, c_mark_varargs): Delete. (c_expand_body): Don't call mark_varargs. * c-objc-common.c: Handle BUILT_IN_VA_START and BUILT_IN_STDARG_START identically. Delete BUILT_IN_VARARGS_START case. * c-tree.h: Don't declare c_mark_varargs. * c-parse.in: Remove grammar rules for '&...' (which has been commented out since before 2.7.2) and for '...' in K+R argument declarations. * builtins.c, function.c, integrate.c, sibcall.c, config/alpha/unicosmk.h, config/arc/arc.c, config/arc/arc.h, config/avr/avr.c, config/cris/cris.c, config/fr30/fr30.c, config/i960/i960.c, config/i960/i960.md, config/m32r/m32r.c, config/m32r/m32r.h, config/m88k/m88k.c, config/m88k/m88k.h, config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.h, config/mn10300/mn10300.c, config/pa/som.h, config/s390/s390.c, config/sh/sh.c, config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.c: Delete all references to current_function_varargs, and code predicated on that flag. * config/alpha/alpha.c (alpha_va_start), config/arc/arc.c (arc_va_start), config/i386/i386.c (ix86_va_start), config/mips/mips.c (mips_va_start), config/mn10300/mn10300.c (mn10300_va_start), config/rs6000/rs6000.c (rs6000_va_start), config/s390/s390.c (s390_va_start), config/sh/sh.c (sh_va_start), Ignore first argument; it is always 1. * config/c4x/c4x-protos.h, config/c4x/c4x.c: Delete c4x_va_start. * config/ia64/ia64-protos.h, config/ia64/ia64.c: Delete ia64_va_start. * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c: Delete m68hc11_va_start. * config/c4x/c4x.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h: No need to define EXPAND_BUILTIN_VA_START. * doc/invoke.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi: Remove references to GCC-provided <varargs.h>. testsuite: * c-torture/execute/991216-3.c, c-torture/execute/strct-varg-1.c, c-torture/execute/va-arg-7.c, c-torture/execute/va-arg-8.c, c-torture/execute/va-arg-15.c, c-torture/execute/va-arg-16.c, c-torture/execute/va-arg-17.c, c-torture/execute/va-arg-19.c: Convert to use <stdarg.h>. * c-torture/execute/va-arg-3.c, c-torture/execute/va-arg-3.x: Delete. * gcc.dg/va-arg-2.c: New. * lib/gcc.exp, lib/objc.exp: Remove code to set -DNO_VARARGS. From-SVN: r55472
2002-06-22re PR middle-end/6963 (Linux kernel miscompile due to clobbered MEM_SIZE)Ulrich Weigand1-13/+11
PR middle-end/6963 * function.c (assign_stack_temp_for_type): Do not return the same MEM rtx for multiple uses of a stack slot. From-SVN: r54912
2002-06-17function.h (struct function): Rename profile_label_no.Richard Henderson1-4/+5
* function.h (struct function) [funcdef_no]: Rename profile_label_no. (current_function_funcdef_no): Similarly. * function.c (funcdef_no): Similarly. (prepare_function_start): Set current_function_funcdef_no. (expand_function_start): Don't set current_function_profile_label_no. * dwarf2out.h (current_funcdef_number): Remove. * dwarf2out.c (current_funcdef_number): Remove. Replace with current_function_funcdef_no throughout. * dwarfout.c, vmsdbgout.c: Similarly. * except.c (sjlj_funcdef_number): Remove. (sjlj_emit_function_enter): Use current_function_funcdef_no instead. (output_function_exception_table): Likewise. * final.c (profile_function): Use current_function_funcdef_no instead of current_function_profile_label_no. From-SVN: r54709
2002-06-17function.c (epilogue_done): Correctly build a sequence of insns for a ↵Richard Earnshaw1-1/+2
sibcall epilogue. * function.c (epilogue_done): Correctly build a sequence of insns for a sibcall epilogue. From-SVN: r54702
2002-06-13alias.c (argument_registers): Remove.Jeff Law1-3/+0
* alias.c (argument_registers): Remove. (init_alias_once): Initialize static_reg_base_value here. Remove initialization of argument_registers. (init_alias_once_per_function): Remove. (init_alias_analysis): Copy all the entries from static_reg_base_value into new_reg_base_value all at once. * rtl.h (init_alias_once_per_function): Remove declaration. * function.c (prepare_function_start): Do not call init_alias_once_per_function. * caller-save.c (init_caller_save): Use gen_rtx_INSN instead of starting a sequence and emitting an INSN. From-SVN: r54582
2002-06-11Delete SEQUENCE rtl usage outside of reorg and ssa passes.David S. Miller1-64/+72
2002-06-05 David S. Miller <davem@redhat.com> Delete SEQUENCE rtl usage outside of reorg and ssa passes. * rtl.h (gen_sequence, emit_insns, emit_insns_before, emit_insns_before_scope, emit_insns_after, emit_insns_after_scope): Delete declaration. * ada/misc.c (insert_code_for): Use emit_insn* instead of emit_insns_foo. * config/alpha/alpha.c (alpha_set_memflags_1): Abort on SEQUENCE. (alpha_set_memflags): Fix comment. (set_frame_related_p): Use get_insns instead of gen_sequence. * config/alpha/alpha.md (setjmp receiver splitter): Avoid emitting no insns. * config/arm/arm.c (arm_finalize_pic): Use get_insns instead of gen_sequence. (arm_gen_load_multiple, arm_gen_store_multiple): Likewise. * config/fr30/fr30.c (fr30_move_double): Likewise. * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_movstr): Likewise. * config/ia64/ia64.c (spill_restore_mem): Likewise. * config/ia64/ia64.md (conditional move spliiter): Avoid emitting no insns. * config/m32r/m32r.c (gen_split_move_double): Use get_insns instead of gen_sequence. * config/mips/mips.c (embedded_pic_fnaddr_reg): Likewise. (mips_expand_prologue, mips16_gp_pseudo_reg): Likewise. * config/sh/sh.c (sh_need_epilogue): Likewise. * config/sparc/sparc.md (current_function_calls_alloca, flat): New attributes. (setjmp pattern and split): Use them to avoid splitter which emits no RTL. * genattrtab.c (main): Emit include of function.h * config/stormy16/stormy16.c (xstormy16_split_cbranch): Use get_insns instead of gen_sequence. * config/cris/cris.c (cris_split_movdx): Likewise. * emit-rtl.c (emit_insns*): Kill. (try_split): Expect insn list instead of SEQUENCE. (make_jump_insn_raw, make_call_insn_raw): Fix comments. (emit_*insn*): Reimplement to work with INSN lists and PATTERNs. Make them abort if a SEQUENCE is given and RTL checking is enabled. (emit_*_scope): Don't forget to set scope on final insn. (gen_sequence): Move from here... * ssa.c (gen_sequence): To here as private function. * builtins.c (expand_builtin_apply_args): Use emit_insn_foo, fix comments. (expand_builtin_return, expand_builtin_mathfn): Likewise. (expand_builtin_strlen): Use get_insns instead of gen_sequence. (expand_builtin_saveregs): Use emit_insn_foo, fix comments. (expand_builtin_expect_jump): Use get_insns and fix comments. * calls.c (try_to_integrate): Use emit_insn_foo. (expand_call, emit_library_call_value_1): Likewise. * expr.c (emit_queue): Handle insn lists instead of SEQUENCE. (emit_move_insn_1): Use get_insns instead of gen_sequence. (expand_expr): Use emit_insn_foo. * cfgrtl.c (commit_one_edge_insertion): Use emit_insn_foo. * except.c (build_post_landing_pads): Likewise. * flow.c (attempt_auto_inc): Likewise. * stmt.c (expand_fixup, fixup_gotos, expand_nl_handler_label, expand_nl_goto_receivers, expand_decl_cleanup): Likewise. * function.c (fixup_var_refs_insn): Use get_insns instead of gen_sequence. (fixup_var_refs_1): Likewise and expect insn list from gen_foo. (fixup_memory_subreg): Use get_insns instead of gen_sequence. (fixup_stack_1, purge_addressof_1, expand_main_function, get_arg_pointer_save_area): Likewise. (optimize_bit_field, instantiate_virtual_regs_1, assign_parms, expand_function_end): Use emit_insn_foo. (record_insns, keep_stack_depressed): Work with insn list instead of SEQUENCE, fix comments. * ifcvt.c (noce_emit_store_flag, noce_try_store_flag, noce_try_store_flag_constants, noce_try_store_flag_inc, noce_try_store_flag_mask, noce_emit_cmove, noce_try_cmove_arith, noce_try_minmax, noce_try_abs): Use emit_insn_foo. (noce_process_if_block): Use get_insns instead of gen_sequence. * optabs.c (add_equal_note): Work with insn list, fix comments. (expand_binop): Expect insn list from GEN_FCN(), use emit_insn_foo. (expand_unop, expand_complex_abs, expand_unop_insn, expand_no_conflict_block): Likewise. (gen_move_insn): Use get_insns instead of gen_sequence. (gen_cond_trap): Likewise. * integrate.c (copy_rtx_and_substitute): Likewise. (emit_initial_value_sets): Use emit_insn_foo. * reload1.c (emit_output_reload_insns, emit_reload_insns): Likewise. (fixup_abnormal_edges): Avoid losing REG_NOTES more intelligently now that RTL generators give insn lists. * sibcall.c (replace_call_placeholder): Use emit_insn_foo. * doloop.c (doloop_modify, doloop_modify_runtime): Use get_insns instead of gen_sequence. (doloop_optimize): Work with insn lists instead of SEQUENCE rtl. * explow.c (emit_stack_save, emit_stack_restore): Use get_insns instead of gen_sequence. * loop.c (move_movables, emit_prefetch_instructions, gen_add_mult, check_dbra_loop, gen_load_of_final_value): Likewise. (loop_regs_update): Work with insn list instead of SEQUENCE rtl. (product_cheap_p): Likewise, and add commentary about RTL wastage here. * lcm.c (optimize_mode_switching): Use get_insns instead of gen_sequence. * profile.c (gen_edge_profiler): Likewise. * regmove.c (copy_src_to_dest): Likewise. * reg-stack.c (compensate_edge): Likewise and fix comment. * gcse.c (process_insert_insn): Likewise. (insert_insn_end_bb): Work with insn list instead of SEQUENCE rtl. * jump.c (delete_prior_computation): Update comment. * genemit.c (gen_expand, gen_split, main): Use get_insns instead of gen_sequence, update comments to match. * recog.c (peephole2_optimize): Work with insn lists instead of SEQUENCE rtl. * sched-vis.c (print_pattern): Abort on SEQUENCE. * unroll.c (unroll_loop, find_splittable_givs, final_giv_value): Use get_insns instead of gen_sequence. (copy_loop_body): Likewise and don't emit dummy NOTE. * genrecog.c: Don't mention SEQUENCE rtl in comments. * combine.c (try_combine): Expect insn lists from split generator. * reorg.c (relax_delay_slots): Emit SEQUENCE into insn list by hand. From-SVN: r54497
2002-06-10alias.c (static_reg_base_value): New to hold RTL for items allocated once ↵Jeff Law1-0/+3
per function for the aliasing code. * alias.c (static_reg_base_value): New to hold RTL for items allocated once per function for the aliasing code. (init_alias_once_per_function): Initialize static_reg_base_value. (init_alias_analysis): Avoid throw-away allocations of RTL by using pre-computed values in static_reg_base_value. * function.c (prepare_function_start): Call init_alias_once_per_function appropriately. * rtl.h (init_alias_once_per_function): Declare. * caller-save (init_caller_save): Restructure slightly to avoid lots of silly RTL generation. * expr.c (init_expr_once): Likewise. * reload1.c (reload_cse_regs_1): Allocate throw-away register RTL object here. Pass it into children. (reload_cse_simplify_operands): Use passed-in register RTL object. (reload_cse_simplify): Pass through throw-away register RTL object. From-SVN: r54442
2002-06-04Merge from pch-branch up to tag pch-commit-20020603.Geoffrey Keating1-216/+77
From-SVN: r54232
2002-05-21bb-reorder.c (make_reorder_chain_1): Modified.Zdenek Dvorak1-1/+1
* bb-reorder.c (make_reorder_chain_1): Modified. * cfganal.c (can_fallthru, flow_call_edges_add, flow_preorder_transversal_compute): Modified. * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks, find_sub_basic_blocks): Modified. * cfgcleanup.c (try_simplify_condjump, try_optimize_cfg): Modified. * cfglayout.c (skip_insns_after_block, fixup_reorder_chain, fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge): Modified. * cfgrtl.c (tidy_fallthru_edges, verify_flow_info): Modified. * combine.c (this_basic_block): Type changed to basic_block. (combine_instructions, set_nonzero_bits_and_sign_copies, try_combine, nonzero_bits, num_sign_bit_copies, get_last_value_validate, get_last_value, distribute_notes, distribute_links): Modified. * final.c (compute_alignments): Modified. * flow.c (regno_uninitialized, regno_clobbered_at_setjmp): Modified. * function.c (thread_prologue_and_epilogue_insns): Modified. * gcse.c (compute_code_hoist_vbeinout): Modified. * global.c (build_insn_chain): Modified. * ifcvt.c (find_if_block, find_cond_trap): Modified. * predict.c (last_basic_block_p, note_prediction_to_br_prob): Modified. * regmove.c (regmove_optimize): Modified. * resource.c (find_basic_block): Modified. * sched-ebb.c (schedule_ebbs): Modified. * ssa-dce.c (find_control_dependence, find_pdom): Modified. From-SVN: r53695
2002-05-17final.c: Fix formatting.Kazu Hirata1-5/+5
* final.c: Fix formatting. * fix-header.c: Likewise. * flow.c: Likewise. * fold-const.c: Likewise. * function.c: Likewise. From-SVN: r53563
2002-05-16Revert "Basic block renumbering removal", and two followup patches.Richard Henderson1-1/+1
From-SVN: r53537
2002-05-16Basic block renumbering removal.Zdenek Dvorak1-1/+1
From-SVN: r53522
2002-05-15invoke.texi (-malign-double): Re-add lost warning.Jan Hubicka1-0/+4
* invoke.texi (-malign-double): Re-add lost warning. * i386-protos.h (x86_output_mi_thunk): Declare. * unix.h (ASM_OUTPUT_MI_THUNK): Move offline to ... * i386.c (x86_output_mi_thunk): ... here; handle 64bits. * dwarf2out.c (output_call_frame_info): Do not skip unwind info when flag_asynchronous_unwind_tables is set. * flags.h (flag_reorder_functions): Declare. * function.c (prepare_function_start): Initialize frequnecy. * params.def (HOT_BB_COUNT_FRACTION, HOT_BB_FREQUENCY_FRACTION): New paramters. * Makefile.in (predict.o): Add dependency on target.h and params.h * defaults.h (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME): New macros. * predict.c (choose_function_section): New function. (estimate_bb_frequencies): Use it. * toplev.c (flag_reorder_functions): New global variable. (lang_independent_options): New. (parse_options_and_default_flags): Set. * varasm.c (assemble_start_function): Bypass functdion alignment for never executed functions. * invoke.texi (-freorder-blocks, -freorder-functions): Document. (param hot-bb-count-fraction, hot-bb-frequency-fraction): New. * tm.texi (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Document. Thu Jan 3 21:52:09 CET 2002 Jan Hubicka <jh@suse.cz> * predict.c: Inlude profile.h (MIN_COUNT): Rename to MIN_COUNT_FRACTION (maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p): Use the information about maximal counter in the program. Thu Dec 20 22:14:00 CET 2001 Jan Hubicka <jh@suse.cz> * basic-block.h (maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p): New functions. * cfgcleanup.c (outgoing_edges_match): Use them. * predict.c (MIN_COUNT, MIN_FREQUENCY): New macros. (maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p): New functions. * function.h (function): Add new field function_frequency. * predict.c (compute_function_frequency): New function. (estimate_probability): Call it. From-SVN: r53478
2002-05-09final.c (end_final): Use C trees to output data structures for profiling.Jan Hubicka1-0/+2
* final.c (end_final): Use C trees to output data structures for profiling. * Makefile.in (LIBGCC_DEPS): Added missing dependency on gcov-io.h (profile.o): New dependency profile.h (final.o): New dependency profile.h * profile.h: New file. New global structure profile_info. * final.h (count_edges_instrumented_now): Declare. (current_function_cfg_checksum): Declare. (function_list): New structure. (functions_head, functions_tail): New static variables. (end_final): Emits more data, removed some -ax stuff. (final): Stores function names and chcksums. * gcov-io.h (__write_gcov_string): New function. (__read_gcov_string): New function. * gcov.c (read_profile): New function. (create_program_flow_graph): Uses read_profile instead of reading da_file. (read_files): Removed da_file checking, it's done by read_profile now. * libgcc2.c (bb_function_info): New structure. (bb): New field in structure, removed some -ax stuff. (__bb_exit_func): Changed structure of da_file. * profile.c (count_edges_instrumented_now): New global variable. (current_function_cfg_checksum): New global variable. (max_counter_in_program): New global variable. (get_exec_counts): New function. (compute_checksum): New function. (instrument_edges): Sets count_edges_instrumented_now. (compute_branch_probabilities): Uses get_exec_counts instead of reading da_file. (branch_prob): Calls compute_checksum and writes extra data to bbg_file. (init_branch_prob): Removed da_file checking, done in get_exec_counts now. (end_branch_prob): Removed da_file checking, done in get_exec_counts now. * gcov.texi: Updated information about gcov file format. Co-Authored-By: Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz> From-SVN: r53326
2002-05-03* function.c: Fix formatting.Kazu Hirata1-33/+33
From-SVN: r53075
2002-04-30cpplex.c: Fix comment formatting.Kazu Hirata1-1/+1
* cpplex.c: Fix comment formatting. * function.c: Likewise. * integrate.c: Likewise. * regrename.c: Likewise. * sibcall.c: Likewise. * simplify-rtx.c: Likewise. * tree-inline.c: Likewise. From-SVN: r52972
2002-04-23re PR target/6413 (PROFILE_HOOK label_no)Alan Modra1-2/+8
PR target/6413 * function.h: (struct function): Add profile_label_no field. (current_function_profile_label_no): Define. * function.c: (profile_label_no): New static var. (expand_function_start): Increment it, and copy to current_function_profile_label_no. * output.h (profile_label_no): Delete. * final.c (profile_label_no): Delete. (profile_function): Use current_function_profile_label_no. (final_end_function): Don't increment profile_label_no here. * config/i386/i386.c (ix86_osf_output_function_prologue): Replace profile_label_no with current_function_profile_label_no. * config/pa/pa.c (current_function_number): Delete. (pa_output_function_prologue): Don't output profile label here. (hppa_profile_hook): Use label_no param rather than current_function_number. (FUNC_BEGIN_PROLOG_LABEL): Move to .. * config/pa/pa.h: .. here. (FUNCTION_PROFILER): Output profile label here. From-SVN: r52656
2002-04-22re PR fortran/6138 (Incorrect access of integer*1 variables on PA)Mark Mitchell1-30/+54
PR f/6138. * function.c (fixup_memory_subreg): Add promoted_mode parameter. (walk_fixup_memory_subreg): Likewise. (fixup_var_refs_insn): Adjust accordingly. (fixup_var_refs_1): Likewise. From-SVN: r52631
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