2001-01-29 Thomas Pfaff * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in cygwin.h. 2001-01-29 Jeffrey Oldham * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition to use flag_gnu_linker. 2001-01-29 Neil Booth * cpplib.c (T_BAD_DIRECTIVE): Remove. (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1. 2001-01-29 Joseph S. Myers * tree.c, tree.h (build_parse_node): Remove; was identical to build_nt. * c-lang.c (start_cdtor), objc/objc-act.c (build_module_descriptor): Use build_nt instead of build_parse_node. 2001-01-29 Jakub Jelinek * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI). (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does not have any upper bits set. 2001-01-29 Phil Edwards * COPYING.LIB: Update to LGPL 2.1 from the FSF. 2001-01-28 Kaveh R. Ghazi * stmt.c (estimate_case_costs): Use integer_minus_one_node. * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node. * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE. (integer_minus_one_node): Define. 2001-01-28 Alexandre Oliva * Makefile.in (bootstrap2-lean): Fix typo. 2001-01-28 Neil Booth * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash) : Don't set fe_value. * cpplib.h (AVOID_LPASTE): New flag. (struct cpp_hashnode): Remove fe_value. * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number. * cppmacro.c (builtin_macro): Don't set flags here. (replace_args): Set AVOID_LPASTE flag on first token of an argument, and the token following it. (cpp_get_token): Set AVOID_LPASTE flag on first token of a macro expansion, and on the token following it. Do it for builtins too. * cppmain.c (scan_buffer): Avoid pasting only flagged tokens. 2001-01-27 Richard Henderson * config/alpha/t-ieee: Remove multilibbing. (TARGET_LIBGCC2_CFLAGS): Add -mieee. 2001-01-27 Kaveh R. Ghazi * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h. * Makefile.in: Remove all dependencies on defaults.h. * builtins.c: Don't include defaults.h. * c-common.c: Likewise. * c-decl.c: Likewise. * c-pragma.c: Likewise. * c-typeck.c: Likewise. * combine.c: Likewise. * i386.c: Likewise. * frame-ia64.c: Likewise. * cppexp.c: Likewise. * crtstuff.c: Likewise. * dbxout.c: Likewise. * dwarf2out.c: Likewise. * dwarfout.c: Likewise. * emit-rtl.c: Likewise. * except.c: Likewise. * expr.c: Likewise. * final.c: Likewise. * frame-dwarf2.c: Likewise. * libgcc2.c: Likewise. * optabs.c: Likewise. * profile.c: Likewise. * sdbout.c: Likewise. * toplev.c: Likewise. * tradcif.y: Likewise. * tree.c: Likewise. * varasm.c: Likewise. 2001-01-27 Kaveh R. Ghazi * builtins.c (expand_builtin_fputs): Use size_one_node when transforming into fwrite. 2001-01-27 Joseph S. Myers * extend.texi (Attribute Syntax): New section. 2001-01-27 Michael Sokolov * fixproto: Correctly install synthesised unistd.h and stdlib.h when they didn't need fixing. 2001-01-27 Janis Johnson * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h if appropriate. * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and to remove macro definitions that are duplicated from elfos.h. 2001-01-27 Richard Henderson * config/i386/sco5gas.h: Move ... * config/usegas.h: ... here. * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update. 2001-01-27 Jakub Jelinek * c-typeck.c (struct constructor_stack): Add range_stack member. (really_start_incremental_init): Clear it. (push_init_level): Save constructor_range_stack and clear it if pushing explicit braces. (pop_init_level): abort if constructor_range_stack is non-zero at explicit closing brace. Restore saved constructor_range_stack if not implicit. 2001-01-27 Alexandre Oliva * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded into register was forced into memory. 2001-01-27 Alexandre Oliva * Makefile.in: Remove uses of + before $(MAKE). 2001-01-26 Richard Henderson * stmt.c (cost_table): Remove. (COST_TABLE, cost_table_initialized): New. (estimate_case_costs): Use the later instead of the former. (balance_case_nodes): Likewise. 2001-01-26 Richard Henderson * alias.c (objects_must_conflict_p): Read-only slots may not conflict despite having the same type. 2001-01-27 Michael Hayes * loop.c (loop_giv_reduce_benefit): Copy mode size into int variable. (check_ext_dependant_givs): Initialise u_start_val and u_end_val. (load_mems): Make last_max_reg unsigned. (try_swap_copy_prop): Use INSN_P and initialise set. Fri Jan 26 23:22:58 2001 Denis Chertykov * README.AVR : Removed. Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com) * pa-64.h (text_section): Remove declaration. * pa.md (return_internal): Remove mode on PIC register use. 2001-01-25 lars brinkhoff * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN, ASM_CLOSE_PAREN): fix typos. 2001-01-25 Mark Mitchell * acconfig.h: Define `const' to the empty string if neither __STDC__ nor __cplusplus is defined. * config.in: Regenerated. 2001-01-25 David Edelsohn * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h. * collect2.c (main): Delete importf. Add ".obj" file extension. (GCC_CHECK_HDR): Handle AIX V5 new magic number. (aix_std_libs): Add additional AIX libraries to skip. * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number. * config/rs6000/aix51.h: New file. 2001-01-25 Michael Hayes * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New. (loop_insn_emit_before): No longer static. (move_movables): Replace emit_insn_after with loop_insn_emit_after. (loop_givs_rescan, load_mems): Likewise. (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before. (maybe_eliminate_biv_1): (move_movables): Replace emit_call_insn_before with loop_call_insn_hoist. * loop.h (loop_insn_emit_before): Add. * unroll.c (copy_loop_body): Replace emit_insn_before with loop_insn_emit_before. 2001-01-25 Neil Booth * diagnostic.c (fatal): Request preprocessed source. Thu Jan 25 02:01:16 2001 J"orn Rennecke * c-decl.c (duplicate_decls): If different_binding_level is nonzero, olddecl has argument types and newdecl has none, use the argument types from olddecl. 2001-01-24 Ulrich Drepper * dwarf2out.c (prefix_of): New function. Determine longest common prefix of the two arguments. The units are whole path components. (output_file_names): When adding a new directory find the one entry with the longest common prefix already in the list. Artificially generate entry if there is none for this prefix. Fix test to check whether the zeroth directory entry is used. Wed Jan 24 23:51:55 2001 J"orn Rennecke * reload1.c (reload_reg_free_for_value_p): New parameter start_regno. Changed all callers. Take it into account when deciding if a previously loaded value matches. 2001-01-24 Richard Henderson * reload.c (find_reloads_subreg_address): Fail the substitution if the resulting address is insufficiently aligned. 2001-01-24 DJ Delorie * combine.c (combine_simplify_rtx): If the modes are all VOIDmode, check the original operand's mode also. * simplify-rtx.c (simplify_ternary_operation): Ditto. 2001-01-24 Joseph S. Myers * c-parse.in (cast_expr): Move compound literals from here ... (primary): ... to here. Use standard terminology "compound literal" instead of "constructor expression". 2001-01-24 Joseph S. Myers * gcc.1, cpp.1: Regenerate. 2001-01-24 Alexandre Oliva * calls.c (emit_library_call_value_1): Memory slot for pass-by-reference argument should have the mode of the argument, not of the pointer to it. 2001-01-24 Tom Tromey * gcc.texi (G++ and GCC): Mention gcj manual. (Standards): Link to section of manual mentioning gcj/Java compatibility. 2001-01-24 Jakub Jelinek * cppfiles.c (_cpp_read_file): Add to dependencies if requested. * cppinit.c (cpp_start_read): Remove deps_add_dep call. * tradcpp.c (main): Add -imacros or -include'd dependencies for -M*. * cpp.texi (-M, -MM): Document -M -include behaviour. 2001-01-24 Roger Collins * config/i386/xm-i386.h: Make __i386__ a boolean macro. 2001-01-24 Will Cohen * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account whether registers are 32 bits or 64 bits in size. 2001-01-24 Ben Elliston * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg. 2001-01-24 Richard Henderson * config/alpha/alpha.md (builtin_longjmp_internal): New. (builtin_longjmp): Use it instead of emit_indirect_jump. 2001-01-23 John David Anglin * bb-reorder.c (make_reorder_chain_1): Handle case where jump edge goes to the same block as the fallthru edge. 2001-01-23 Jim Wilson * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned. * frame.h (__ia64_personality_v1): Add prototype. * libgcc2.c (ia64_throw_helper): Change personality declaration to prototype form. Add void * cast to first argument to personality call. * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs. (asctoe113): Likewise. * config/ia64/frame-ia64.c: Include eh-common.h. * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add prototypes. * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED to dump parameter. (itanium_split_issue): Add prototype. (gen_nop_type): Ifdef out. (find_best_packet): Initialize best_packet. (ia64_encode_section_info): New local string. Use for ggc_alloc_string result. * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0. * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start. (flushrs): Add explicit stop bit at end. * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change trailing \ to >. 2001-01-23 Chris Demetriou * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list of EH symbols. * libgcc2.c (__terminate_func): Make variable static. (__terminate_set_func): New function to set __terminate_func. * libgcc2.h (__terminate_func_ptr): New typedef. (__terminate_set_func): New function. 2001-01-23 Richard Henderson * flow.c (init_propagate_block_info): Don't consider unchanging memories for dead frame store elimination. 2001-01-23 Richard Henderson * varasm.c (UNIQUE_SECTION): Move default implementation ... * defaults.h: ... here. 2001-01-24 Michael Hayes * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define. 2001-01-23 Neil Booth * c-lex.c (lex_charconst): Fix typo: s/p/str. 2001-01-23 Franz Sirl * rs6000.h (rs6000_return_addr): Move prototype from here... * rs6000-protos.h (rs6000_return_addr): ...to here. (rs6000_init_expanders): Delete prototype. 2001-01-23 Nick Clifton * invoke.texi: Replace , with \, inside @gccoptlist macros. (Spec Files): Document %B and %j and %. and %v3 and %M and %{S*&T} spec switches. 2001-01-24 Herman A.J. ten Brugge * c4x.c (c4x_r11_set_p): Calculate rtx code correctly. 2001-01-23 Chris Demetriou Neil Booth * cpperror.c: Merge handlers of PEDWARN and WARNING. Have -Werror make pedantic warnings errors, like the rest of GCC. 2001-01-23 Phil Edwards * c-tree.texi (IDENTIFIER_LENGTH): Fix typo. 2001-01-23 Jakub Jelinek * integrate.h (struct inline_remap): Add compare_src, compare_mode. * integrate.c (expand_inline_function): Initialize them. (subst_constants): If changing COMPARE so that both its arguments will be VOIDmode and the comparison mode will be lost, note compare_mode. Use the recorded compare_mode to optimize IF_THEN_ELSE. 2001-01-23 Jason Merrill * dwarf2out.c (new_die): Use xcalloc. (output_die): Abort rather than emit a local reference to offset 0. 2001-01-17 Andrew Haley * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy of a saved register; return NULL instead. (copy_reg): Take a pointer to a source register rather than a frame_state. (next_stack_level): Remember the address in the stack frame of all saved registers. Use the saved register pointer array as the source of the CFA. (throw_helper): Rewrite. Unwind once rather than twice and keep track of saved registers as we go. 2001-01-23 Herman A.J. ten Brugge * c4x-protos.h (c4x_legitimize_reload_address): Remove. * c4x.c (c4x_legitimize_reload_address): Remove. * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct reload address for ldp(k) insn. Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com) * pa.md (return_internal): Add a USE of the PIC register to ensure it is restored after each call. (return expander): Corresponding changes. 2001-01-22 Franz Sirl * rs6000.h (INIT_EXPANDERS): Delete. (RETURN_ADDR_RTX): Call rs6000_return_addr(). * rs6000.c (rs6000_override_options): Call *_machine_status from here... (rs6000_init_expanders): ...instead of here. Delete. (rs6000_mark_machine_status): New function. (rs6000_init_machine_status): Use xcalloc. (rs6000_return_addr): Generate RTX for the return address. (rs6000_ra_ever_killed): New, check if LR was ever destroyed. (rs6000_stack_info): Use it. 2001-01-22 Thomas Pfaff * gthr-win32.h: Include errno.h to get a declaration for EINVAL and _mingw.h if the target is mingw32. 2001-01-22 Andres Felipe Vargas * cpp.texi: Correct typos. Mon Jan 22 13:59:09 2001 Richard Kenner * explow.c (probe_stack_range): Ensure value passed to stack_check_libfunc is ptr_mode, not Pmode. Mon Jan 22 16:53:06 2001 J"orn Rennecke * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND case, don't use operand_subword to calculate a SUBREG that is wider than a word. * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE. 2001-01-22 Herman A.J. ten Brugge * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions. (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is valid. If not replace it by equivalent insns. 2001-01-22 Herman A.J. ten Brugge * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST contains SYMBOL_REF, LABEL_REF and CONST_INT. (c4x_U_constraint, symbolic_address_operand): Likewise. (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in memory. (c4x_r11_set_p, c4x_check_laj_p): New functions. * c4x-protos.h (c4x_check_laj_p): Add prototype. * c4x.md (in_annul_slot_3): Do not allow auto-increment in last anulling slot because of silicon bug. (laj, lajv): Call c4x_check_laj_p to check for silicon bug. 2001-01-22 Alan Modra * cppexp.c (parse_charconst): Change `mask' type to agree with parse_escape. 2001-01-21 Richard Henderson * config/i386/i386.c (ix86_asm_file_end): Disable putting pic_label_name in a linkonce section. 2001-01-17 Philipp Thomas * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was found in libintl. * configure: Regenerate. Sun Jan 21 02:38:56 2001 J"orn Rennecke * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks. Sun Jan 21 09:44:17 2001 Denis Chertykov * config/avr/avr.c (ret_cond_branch): New argument (reverse) added. If REVERSE nonzero then condition code in X must be reversed. (encode_section_info): Optimise if/else. (avr_function_value): Fix formatting. * config/avr/avr.md (branch): Call to ret_cond_branch changed. (difficult_branch): Likewise. (rvbranch): Likewise. (difficult_rvbranch): Likewise. * config/avr/avr-protos.h (ret_cond_branch): Prototype changed. * config/avr/libgcc.S: Fix comment. 2001-01-20 Michael Sokolov * sdbout.c (PUT_SDB_DEF): Fix after last bogus change. 2001-01-20 Michael Sokolov * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting. 2001-01-20 Michael Sokolov * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro. * configure.in (gcc_AC_FUNC_STRSTR): Add invokation. * configure, config.in: Regenerate. * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables. (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling. (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules. (doprint.o): New rule. 2001-01-20 Joseph S. Myers * c-typeck.c (digest_init): Handle boolean types as scalars. Sat Jan 20 12:46:57 2001 Richard Kenner * stmt.c (expand_return): Don't return anything if size is zero. Delete redundant assignment to BYTES. * expr.c (move_block_from_reg): Do nothing if NREGS is zero. 2001-01-20 Marek Michalkiewicz * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was the same as the default library function names. * config/avr/avr.md: Document special characters after '%'. (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves, knowing which of the call-used registers are really clobbered. (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4): New. Both quotient and remainder from one libgcc.S call. * config/avr/libgcc.S: Optimize mul/divmod for the new insns above, clobber as few registers as possible. * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes. 2001-01-20 Neil Booth * cppmacro.c (funlike_invocation_p): Don't move back up to the context of the top of the stack. 2001-01-20 Jakub Jelinek * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling... (fixup_var_refs_insns): ...here. 2001-01-20 Zack Weinberg * function.c (fixup_var_refs_insns): Break up into fixup_var_refs_insn [body of loop], fixup_var_refs_insns [loop over entire insn list], and fixup_var_refs_insns_with_hash [loop over hash table entries]. (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or fixup_var_refs_insns_with_hash, to match above changes. 2001-01-19 John David Anglin * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable. (libgcc.a): Likewise. (stmp-multilib): Likewise. (STAGE2_FLAGS_TO_PASS): Likewise. 2001-01-19 Alexandre Oliva * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as temporary if no_new_pseudos. 2001-01-19 Neil Booth * cppinternals.texi: Update. 2001-01-19 Richard Earnshaw * arm.c (arm_init_builtins): Re-enable builtins. Fri Jan 19 13:02:56 2001 Richard Kenner * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility. * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow element to be null, and always expect an EXPR_LIST. * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise. * sched-deps.c (sched_analyze_1): Likewise. * sched-rgn.c (check_live_1, update_live_1): Likewise. * regclass.c (max_set_parallel): New variable. (reg_scan): Take it into account in computation of max_parallel. (reg_scan_mark_refs, case SET): Compute it. * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume args are REG. * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM. * function.c (assign_parms): Use INTVAL for a CONST_INT. 2001-01-19 Jason Merrill * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl for the abstract instance of an inline function. Fri Jan 19 14:31:35 2001 Alexandre Oliva J"orn Rennecke * reload1.c (move2add_note_store): Treat all registers directly or indirectly derived from a base register as members of the same set of values. (reload_cse_move2add): Adjust accordingly. Take mode and offset of base register into account. Fri Jan 19 09:18:42 2001 J"orn Rennecke * alias.c (find_base_value): Recognize TRUNCATE. (record_set): In PLUS case, invalidate if other summand is also a base value. Thu Jan 18 06:43:04 2001 Richard Kenner * flow.c (mark_set_1, case PARALLEL): New case; rework to allow entry to be EXPR_LIST. * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to be an EXPR_LIST (but not null, which other code doesn't allow). (note_stores): Properly handle PARALLEL in SET. Recursively call for top-level PARALLEL. * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET. * sched-rgn.c (check_live_1, update_live_1): Likewise. * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h. 2001-01-18 Neil Booth * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping, not pfile->skipping (== 0). 2001-01-17 Nick Clifton * config/rs6000/rs6000.c: Add prototypes for {init|free}_ machine_status. 2001-01-17 Jim Wilson * invoke.texi (IA-64 options): Improve. 2001-01-17 Tom Tromey * invoke.texi (Optimize Options): Use `{}' to around @samp argument. 2001-01-17 Aldy Hernandez * invoke.texi (-fno-guess-branch-probability): New option. Wed Jan 17 13:26:34 2001 Richard Kenner * combine.c (try_combine): Don't set i3_subst_into_i2 for case of making new double-word constant. Revert last change: instead just test i3_subst_into_i2. 2001-01-17 Jakub Jelinek * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation. Use q constraints instead of r. Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au) * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove. (machine_function): Define. (PIC_OFFSET_TABLE_SAVE_RTX) : Define. * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status, pa_free_machine_status): New functions. (override_options): Set {init,mark,free}_machine_status to above. (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of PIC_OFFSET_TABLE_REGNUM_SAVED. * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of PIC_OFFSET_TABLE_REGNUM_SAVED throughout. * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove references to PIC_OFFSET_TABLE_REGNUM_SAVED. * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise. 2001-01-15 DJ Delorie * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing. (cpp.1): Ditto. (gcc.1): Ditto. Tue Jan 16 17:20:43 2001 Richard Kenner * flow.c (propagate_on_insn): Make trying to delete a prologue or epilogue insn an ICE, not a warning. Allow doing this if the current function returns with stack pointer depressed. * combine.c (try_combine): If i3_subst_into_i2, properly check for I3 having more than one SET. 2001-01-16 Jim Wilson * invoke.texi: Document IA-64 options. * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support. (fixup_errata): Delete TARGET_A_STEP use. * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete. (TARGET_SWITCHES): Delete -ma-step option. * config/ia64/ia64.md (all FP patterns): Delete %B0. (movqicc_astep, movqi_internal_astep, movhicc_astep, movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1, movdi_internal_astep, movsfcc_astep, movsf_internal_astep, movdfcc_astep, movdf_internal_astep, movtfcc_astep, movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep): Delete. (movqi_internal, movhi_internal, movsi_internal, movdi_internal, movsf_internal, movdf_internal, movtf_internal, cmovdi_internal, cmovsi_internal): Delete ! TARGET_A_STEP check. 2001-01-16 Gerald Pfeifer * gcc.texi (Bug Lists): Do not mention newsgroups nor the possibility to report bugs via postal mail. Change a URL and merge in a nearly duplicate statement... (Bug Reporting): ...from here. (Service): Refer to the Bug Reporting section instead of duplicating an URL. (Contributing): Remove trivial explanations concerning snapshots. 2001-01-16 Alan Modra * cppmain.c (general_init): Don't use ANSI prototype. 2001-01-16 Tom Tromey * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT. 2001-01-16 Richard Henderson * config/i386/i386.h: Fix comment typo. * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/ (ashr+compare patterns): Match CCGOCmode not CCNOmode. 2001-01-16 Phil Edwards * gcc.c: Revert previous -fsyntax-only-related change; move to cp/g++spec.c. 2001-01-16 Jakub Jelinek * config/i386/i386.c (fcmov_comparison_operator): Only initialize inmode after checking GET_CODE (op). 2001-01-16 Richard Henderson * flow.c (struct propagate_block_info): Add mem_set_list_len. (MAX_MEM_SET_LIST_LEN): New. (propagate_one_insn): Update mem_set_list_len. (invalidate_mems_from_autoinc): Likewise. (invalidate_mems_from_set): Likewise. (mark_used_regs): Likewise. (init_propagate_block_info): Likewise. Stop collecting memories when we reach MAX_MEM_SET_LIST_LEN. (mark_set_1): Likewise. 2001-01-16 Richard Henderson * unroll.c (precondition_loop_p): Fail if no iteration variable found. 2001-01-16 Phil Edwards * gcc.c: When -fsyntax-only is given, do not complain about unused libraries. 2001-01-15 Richard Henderson * config/i386/i386.c (asm_output_function_prefix): Remove. (ix86_asm_file_end): New. (load_pic_register): Generate pic_label_name into a staticly allocated buffer. * config/i386/i386-protos.h: Update. * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove. (ASM_FILE_END): New. * config/i386/i386afe.h: New file. * config.gcc (i?86-*-elf) [tm_file]: Use it. (i?86-*-{freebsd,linux*,moss*}): Likewise. * config/elfos.h (ASM_FILE_END): Undef before redefinition. * config/i386/cygwin.h (ASM_FILE_END): Likewise. * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end. * config/i386/sco5.h (ASM_FILE_END): Likewise. * config/i386/winnt.c (i386_pe_asm_file_end): Likewise. 2001-01-15 Joseph S. Myers * Makefile.in (install-man): Remove explicit dependency on $(srcdir)/gcc.1. * configure.in, configure: Revert previous patch requiring perl 5.6.0. 2001-01-12 Aldy Hernandez * toplev.c (flag_guess_branch_prob): New. (f_options): Add guess-branch-probability option. (rest_of_decl_compilation): Only estimate branch probability if flag set. (main): set flag_guess_branch_prob. * flags.h (flag_guess_branch_prob): New. 2001-01-15 DJ Delorie * gcc.texi (Makefile): Add documentation for Makefile targets. 2001-01-15 Philip Blundell * config/arm/arm.c (arm_finalize_pic): New arg "prologue". (is_pic): Delete. * config/arm/arm-protos.h (arm_finalize_pic): Update prototype. (is_pic): Delete declaration. * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic. (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address. * config/arm/arm.md (builtin_setjmp_receiver): New. 2001-01-15 Richard Earnshaw * arm.c (use_return_insn): Don't try to determine the function type until after reload has completed. (arm_output_epilogue): Don't adjust the sp value recovered from the stack. (emit_multi_reg_push): Don't record dwarf information for the pc. * arm.md (eh_epilogue): The function type may have changed, so it needs to be recalculated. * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2 unwind tables on arm/netbsd. 2001-01-15 Richard Earnshaw * arm.md (cbranchsi4): Correct calculation of branch ranges. (negated_cbranchsi4): Likewise. 2001-01-15 Richard Earnshaw * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define. (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string. (ASM_SPEC): Call subtarget_extra_asm_spec. Don't pass -mapcs-* options to assembler. * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define. (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string. (ASM_SPEC): Call subtarget_extra_asm_spec. 2001-01-15 Andreas Jaeger * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove warnings. (ix86_expand_builtin): Likewise. * gencodes.c (output_predicate_decls): Make i size_t to avoid warning about comparison between signed and unsigned. 2001-01-14 Geoffrey Keating * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs. 2001-01-14 Ralf Baechle * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change SUBTARGET_CPP_SPEC apropriatly. 2001-01-12 Mark Mitchell * varasm.c (make_decl_rtl): Fix typo in last change. 2001-01-14 Jeffrey Oldham * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the linker supports the init_priority C++ attribute. * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro. * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix linker does not support init_priority C++ attribute. Sun Jan 14 22:31:30 2001 J"orn Rennecke * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs. 2001-01-14 Neil Booth * c-parse.in (finish_parse): Add comment about cpp_destroy. * cp/lex.c (finish_parse): Similarly. * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity. Return the number of errors encountered. * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int. * cppmain.c (main): Don't call cpp_destroy. 2001-01-14 Joseph S. Myers * configure.in: Require at least perl 5.6.0 to regenerate manpages. * configure: Regenerate. 2001-01-14 Richard Henderson * genrecog.c (DT_veclen_ge): New. (add_to_sequence) [MATCH_PARALLEL]: Generate one. (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge. (nodes_identical_1): Handle DT_veclen_ge. (write_cond, debug_decision_2): Likewise. 2001-01-14 Richard Earnshaw * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace with ... (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New. 2001-01-14 Neil Booth * cppmain.c (do_preprocessing): New function; most of the old main. (main): Call it to do most of the work. (cb): Move from global scope to set_callbacks (). (setup_callbacks): Get the callback pointer. (general_init, printer_init): Clean up code and comments. 2001-01-14 Richard Earnshaw * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when compiling PIC. 2001-01-14 Kazu Hirata * config/h8300/h8300.c (get_shift_alg): Update comments. Sun Jan 14 06:20:49 2001 Richard Kenner * ggc-page.c (alloc_annon): Call perror and correctly call exit. (alloc_page, ggc_alloc): Add casts to remove warnings. 2001-01-14 Geoffrey Keating * combine.c (simplify_comparison): Don't change `code' when can't reverse comparison. 2001-01-14 Richard Henderson * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem; update all call sites. Return true for all non-label constants. Sun Jan 14 10:09:48 MET 2001 Jan hubicka * i386.c (ix86_expand_compare): Add bypass_test and second_test parameters. (ix86_expand_branch): Update. (ix86_expand_setcc): Update to handle multiple test conditions. (expand_int_movcc): Likewise. (expand_fp_movcc): Likewise. * i386-protos.h (ix86_expand_compare): New. * i386.md (andqi_?_slp, orqi_?_slp): New. (conditional trap expander): Update call to ix86_expand_compare. 2001-01-14 Richard Henderson * config/vax/vax.md: Use nonimmediate_operand instead of general_operand in destinations. * config/vax/vax.md (indirect_jump): Use register_operand. * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments. * config/vax/vax.md (call_pop): Turn into an expander. (call_value_pop): Likewise. (call, call_value): New. 2001-01-14 Andreas Jaeger * config/i386/i386.c (ix86_split_fp_branch): Remove unused variables. (ix86_fp_compare_mode): Add unused attribute. (ix86_expand_fp_movcc): Remove unused variable. (ix86_expand_builtin): Make fcode unsigned. * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned. (expand_expr): Add cast to avoid signed warning. (store_field): Likewise. (store_constructor_field): Likewise. (store_constructor): Likewise. (store_expr): Likewise. (clear_storage): Likewise. (emit_group_store): Likewise. (emit_group_load): Likewise. 2001-01-13 Joseph S. Myers * c-common.c: Move format checking code to ... * c-format.c: ... here. New file. Reorder some functions and declarations. (decl_handle_format_attribute, decl_handle_format_arg_attribute): New functions. * c-common.h (decl_handle_format_attribute, decl_handle_format_arg_attribute): Declare. * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o. (c-common.o): Adjust dependencies. (c-format.o): New list of dependencies. 2001-01-13 Jakub Jelinek * unroll.c (loop_iterations): If we cannot prove iteration variable is set once in each iteration, punt. Sun Jan 14 00:23:15 2001 Denis Chertykov * config/avr/avr.md ("strlenhi"): Remove clobber of input address. (*strlenhi): Remove clobber (which was buggy) of output address. 2001-01-13 Joseph S. Myers * Makefile.in (generated-manpages): Add gcc.1 ($(srcdir)/gcc.1): New target. (maintainer-clean): Delete $(srcdir)/gcc.1. * gcc.texi: Add macros @gccoptlist and @gol. * invoke.texi: Include option summary in manpage. Mark up option summary with @gccoptlist and @gol. Use @r in one place where appropriate. * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org. * gcc.1: Generate from invoke.texi. 2001-01-13 Richard Henderson * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap. (struct page_entry): Add group member. (struct page_group): New. (struct globals): Add page_groups member. (alloc_anon): Only define for using mmap; remove valloc call. (page_group_index): New. (set_page_group_in_use): New. (clear_page_group_in_use): New. (alloc_page): Implement USING_MALLOC_PAGE_GROUPS. (free_page, release_pages): Likewise. * configure.in (with-gc): Default to ggc-page always. 2001-01-13 Alexandre Oliva * reload1.c (replace_pseudos_in_call_usage): Use reg_equiv_constant and reg_equiv_address, and don't try regno_reg_rtx first. 2001-01-13 Richard Henderson * ggc-page.c (alloc_page): Round up allocation size to one page. Set e->order on extra pages. 2001-01-13 Richard Henderson * genrecog.c (nodes_identical): Expand commentary. (write_switch): Watch out for identical nodes. 2001-01-13 Neil Booth * cppfiles.c (_cpp_fake_include): New function. * cpphash.h (_cpp_fake_include): New. * cpplib.c (do_line): Call _cpp_fake_include when entering header files in preprocessed input. * cppmain.c (cb_pragma_implementation): Remove handling. (setup_callbacks): Don't register pragmas. 2001-01-13 Neil Booth * extend.texi: Udate for CPP. 2001-01-13 Andreas Jaeger * reload1.c: Add prototype for replace_pseudos_in_call_usage. * regmove.c: Add prototype for replace_in_call_usage. 2001-01-13 Neil Booth * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro, struct cpp_chunk, struct htab, struct toklist, struct cpp_context, CPP_STACK_MAX, struct lexer_state, struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER, CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h. (struct macro_args): Delete. * cpphash.h: See above. 2001-01-13 Neil Booth * cppmain.c (struct printer): Remove no_line_dirs. (options, cb): New. (main, setup_callbacks, scan_buffer, printer_init, cb_define) : Use options rather than CPP_OPTION. (setup_callbacks): Use cb rather than pfile->cb. (main): No need to check for a buffer. Use cpp_errors. (printer_init): Don't set no_line_dirs. (maybe_print_line): Use options not no_line_dirs. (cb_file_change): Don't call print_line if -P. 2001-01-13 Neil Booth * c-lex.c (init_c_lex): Use cpp_get_callbacks to set callbacks. * c-parse.in (finish_parse): Use cpp_errors. (__yylex): Use return value of cpp_pop_buffer. * cp/lex.c (finish_parse): Use cpp_errors. * cp/spew.c (read_token): Use return value of cpp_pop_buffer. Sat Jan 13 16:57:40 2001 Denis Chertykov * README.AVR: URLs corrected. Sat Jan 13 07:30:02 2001 Richard Kenner * c-decl.c (start_function): Don't warn if old prototype is builtin that's not in C's namespace. * libgcc2.c (_varargs): Update definition of __builtin_saveregs. (_bb): Add prototype for ctime. * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos. Sat Jan 13 09:53:32 MET 2001 Jan Hubicka * i386.c (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost, ix86_fp_comparison_cost): New functions. (ix86_expand_fp_compare): Use the costs to choose best bethod; add two new parameters SECOND_TEST and BYPASS_TEST; allow generating two-branch sequences; make static. (ix86_use_fcomi_compare): Do decision according to the costs. (split_fp_branch): New. * i386.md (compare-and-branch patterns): Use split_fp_branch. * i386-protos.h (ix86_expand_fp_compare): Remove (ix86_split_fp_branch): Declare. * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand and ix86_comparison_operator. * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison to make it cheaper. * i386.c (put_condition_code): Output properly the unordered/ordered compares in fp case. (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure. * tm.texi (REVERSE_CONDITION): Document. * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode in -ffast-math mode. * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro. 2001-01-13 Alexandre Oliva * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly. * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be optimized away. * config/sh/sh.c (mova_p): Fix test for mova_const. 2001-01-13 Neil Booth * fix-header.c (read_scan_file): Use cpp_get_callbacks and cpp_get_options rather than dereferencing pfile and using CPP_OPTION. * scan-decls.c (scan_decls): Use return value of cpp_pop_buffer rather than CPP_BUFFER. 2001-01-13 Neil Booth * cppinit.c (cpp_handle_option): help_only is now part of the cpp_options structure. * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks, cpp_set_callbacks): New functions. * cpplib.h (cpp_callbacks): Break out as a named structure. (cpp_options): Move help_only here from cpp_reader. (CPP_FATAL_ERRORS): Update to use cpp_errors. (cpp_errors, cpp_get_options, cpp_get_callbacks, cpp_set_callbacks): New prototypes. * cppmain.c (main): Update for help_only. 2001-01-13 Joseph S. Myers * Makefile.in (info, maintainer-clean, install-info, uninstall): Also build and remove and install and uninstall c-tree.info and cppinternals.info. ($(srcdir)/gcc.info): Add dependency on contrib.texi. ($(srcdir)/cppinternals.info): New target. * c-tree.texi: Change file name used when makeinfo used without -o from ir.info to c-tree.info. Add info directory entry. * cppinternals.texi: Add info directory entry. * .cvsignore: Update. 2001-01-12 Jakub Jelinek * c-typeck.c (store_init_value): Don't require constant initializer elements with -pedantic -std=c99. (digest_init): Change error about non-constant initializer elements into pedwarn. (constructor_range_end): Remove. (constructor_incremental, designator_depth, designator_errorneous): New variables. (struct constructor_stack): Remove range_end, add incremental. (struct constructor_range_stack, constructor_range_stack): New. (struct initializer_stack): Add constructor_range_stack. (finish_init): Set it. (start_init): Likewise. require_constant_elements for non-static trees only if not flag_isoc99. (really_start_incremental_init): Remove constructor_range_end, add constructor_incremental. (pop_init_level): Likewise. (push_init_level): Likewise. If implicit and the subobject had some value set already, preinitialize the level with it. Warn about missing braces only if not pushing due to designators. (set_designator, push_range_stack): New functions. (set_init_label): Use them. (set_init_index): Likewise. Remove constructor_range_end. Error if designator index is outside of array bounds. (add_pending_init): Compare values of purpose index trees, not the trees themselves. Allow overwriting of already initialized element. Issue a warning if it had side-effects. (set_nonincremental_init, set_nonincremental_init_from_string): New functions. (pending_init_member): Rename to... (find_init_member): ...this function. Call set_nonincremental_init if necessary. Compare values of purpose index trees, not the trees themselves. Return the actual value, not just non-zero if something is found. (output_init_element): Remove checks for duplicates. If field has zero size, only check the initializer for correctness. Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL if constructor_incremental is zero. Change error about initializers not computable at load time into pedwarn. (output_pending_init_elements): Compare bit positions, not FIELD_DECLs to take into account zero-sized fields. (process_init_element): Use constructor_range_stack to fill all ranges in the designator lists from current level up. * extend.texi: Update documentation for labeled elements. 2001-01-12 Alexandre Oliva * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs to function usage for arguments passed by reference. Optimize callee-copied arguments. * regmove.c (replace_in_call_usage): New function. (fixup_match_1): Call it. * cse.c (cse_insn): Canonicalize registers in function usage. * reload1.c (replace_pseudos_in_call_usage): New function. (reload): Call it. * Makefile.in: Reverted yesterday's wrong patch. Installed the right version. 2001-01-12 Jakub Jelinek * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp, not XEXP (tmp, 0). 2001-01-12 DJ Delorie * Makefile.in (bootstrap): rename stages to be mnemonic. Add restageN, unstageN, bubblestrap, quickstrap, and cleanstrap targets. 2001-01-12 Joseph S. Myers * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi, tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to -std options alongside references to -ansi. Update some documentation for C99. * cpp.1: Regenerate. 2001-01-12 Andreas Jaeger * haifa-sched.c (restore_line_notes): Remove argument block B since it's unused. * sched-ebb.c (schedule_ebb): Change caller. * sched-rgn.c (schedule_region): Likewise. * sched-int.h (restore_line_notes): Adjust prototype. * loop.h: Remove wrong declaration of doloop_condition_get. 2001-01-12 Phil Edwards * extend.texi: Move C++-extension-related node from the C section into the C++ section. 2001-01-12 Joseph S. Myers * extend.texi: Refer to an array of pointers to functions instead of one of functions. Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger Jan Hubicka * combine.c (reversed_comparison): Fix typo in last patch. Check X for NULL. (combine_reversed_comparison_code): Make static to follow prototype declaration. 2001-01-12 Phil Edwards * install.texi: Remove misplaced duplicate entry. 2001-01-11 Ulrich Drepper * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99. Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com) * final.c: (leaf_function_p): Fix typo. 2001-01-11 Zack Weinberg * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten. Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending which you have. (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE. * configure.in: Set GGC to ggc-page if any of mmap_dev_zero, mmap_anon, and valloc is available. * ggc-page.c: Restructure ifdef logic to match new autoconf spec. Don't throw away the test page in init_ggc. * configure, config.in: Regenerate. 2001-01-12 Michael Hayes * loop.h (total_biv_increment): Constify iv_class pointer. (struct induction): Replace `mem_mode' with `mem' rtx. * unroll.c (total_biv_increment): Constify iv_class pointer. * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx. (find_mem_givs, combine_givs_p): Likewise. (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New. 2001-01-10 Thomas Pfaff * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32 LastError. (__gthread_getspecific): Ditto. Fri Jan 12 00:04:00 MET 2001 Jan Hubicka * i386.c (ix86_comparison_operator, fcmov_comparison_operator, put_condition_code): Convert fp comparison codes to integer before handling. (ix86_expand_fp_compare): Postnote the fp comparison code converison to final. * i386.c (unsigned_comparison, no_comparison_operator): Kill. * i386-protos.h (no_comparison_operator): Kill. * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion. * combine.c (REVERSIBLE_CC_MODE): Remove. (reversible_comparison_p): Remove. (combine_reversed_comparison_code): New. (reversed_comparison): New. (combine_simplify_rtx): Use combine_reversed_comparison_code/reversed_comparison instead of reversible_comparison_p. (simplify_if_then_else): Likewise. (simplify_set): Likewise. (simplify_logical): Likewise. (if_then_else_cond): Likewise. (known_cond): Likewise. (simplify_comparison): Likewise. 2001-01-11 Alan Lehotsky * builtins.c (std_expand_builtin_va_start): Handle varargs when sizeof (int) is larger than sizeof(__word__). 2001-01-11 Neil Booth * cppinit.c (do_includes): Fix typo. 2001-01-11 Stephane Carrez * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading in S_REGS does not occur because not all sources are possible when a S_REGS is a destination (sometimes needs a clobber). (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise. (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise. (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise. (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise. (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise. (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise. (lshrdi_const1, lshrsi3_const16): Likewise. (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise. (*movhi_68hc12, *movqi_68hc12): Likewise. (movstrictqi): Make sure reloading in D_REGS as a destination does not happen. 2001-01-11 Neil Booth * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ. 2001-01-11 Neil Booth * cppinit.c (cpp_start_read): If -fpreprocessed, ignore -D, -U and -A, and don't initialize the builtins. (do_includes): Error if -include or -imacros with -fpreprocessed. * cppmain.c (cb_define, cb_undef): Unconditionally process the callback. * tradcpp.c (main): Fix typo. 2000-01-11 Mark Elbrecht * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include) (read_name_map): Use IS_ABSOLUTE_PATH. * tradcpp.c (get_filename): Likewise. 2001-01-11 Stephane Carrez * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers. (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise. (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise. (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise. (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise. (cmphi_z_used): Don't use '@' for the output. (tstqi_z_used): Likewise. (cmpqi_z_used): Likewise. (one_cmplsi2): Likewise. 2001-01-11 Alexandre Oliva * config/sh/sh.c (barrier_align): Recognize branch around far branch and redundant insn. 2001-01-11 Neil Booth * invoke.texi: Restore documentation of the drivers' switches -MD and -MMD. 2001-01-11 Alexandre Oliva * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1. * Makefile.in (check-gcc//%, check-g++//%, check-g77//%, check-objc//%): Support parallel testing of multilibs. (TESTSUITEDIR): Set to testsuite by default, but override for parallel testing. (check-gcc, check-g++, check-g77, check-objc): Enter $(TESTSUITEDIR). 2001-01-11 Bernd Schmidt * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO. * sched-deps.c (deps_may_trap_p): Likewise. * basic-block.h: Remove a comment. * flow.c (PROP_POSTRELOAD): Remove. (update_life_info): Don't add it to prop_flags. (mark_set_1): Lose the code that was enabled by it. 2001-01-11 Michael Hayes * flow.c (flow_call_edges_add): New. * basic_block.h (flow_call_edges_add): New. 2001-01-11 J"orn Rennecke * reload1.c (move2add_note_store): Update reg_set_luid even if base reg remains the same. 2001-01-10 Nick Clifton * config/d30v/d30v.c (d30v_init_machine_status): Initialise machine_function structure to zero. Add prototypes for machine_status functions. 2001-01-10 Mark Mitchell * c-common.h (CTI_VOID_LIST): Remove. (void_list_node): Likewise. * tree.h (TI_VOID_LIST_NODE): New enumeral. (void_list_node): New macro. * config/arm/arm.c (arm_init_builtins): Use void_list_node. * config/i386/i386.c (ix86_init_builtins): Likewise. * config/ia64a/ia64.c (ia64_init_builtins): Likewise. 2001-01-10 Neil Booth * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o * cppinit.c (cpp_start_read): Update comment, remove unneeded if statement. * tradcpp.c: Include mkdeps.h. (deps, print_deps_phony_targets, deps_append, output_deps, init_dependency_output, output_deps): New. (deps_buffer, deps_allocated_size, deps_size, deps_column, deps_output): Delete. (print_deps_missing_files): Rename deps_missing_files. (inhibit_output): Make global. (main): Delete inhibit_output, deps_stream, deps_target. Use mkdeps functionality in the same way as cpplib. Remove -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of -M and -MM. Remove old handling of deps via deps_out, and old reading of environment variables. (get_filename): Update to use deps_add_dep. 2001-01-10 Mark Mitchell * output.h (make_function_rtl): Remove prototype. (make_decl_rtl): Likewise. * varasm.c (make_function_rtl): Remove. (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather than from a third parameter. * tree.h (make_decl_rtl): Remove last parameter. * c-decl.c (builtin_function): Remove last argument in call to make_decl_rtl; use make_function_rtl instead of make_decl_rtl. (start_function): Likewise. * except.c (call_get_eh_context): Likewise. * expr.c (emit_block_move): Likewise. (clear_storage): Likewise. * profile.c (output_func_start_profiler): Likewise. * toplev.c (rest_of_decl_compilation): Likewise. * objc/objc-act.c (create_builtin_decl): Likewise. (synth_module_prologue): Likewise. (generate_static_reference): Likewise. (build_selector_reference_decl): Likewise. (build_class_reference_decl): Likewise. (build_objc_string_decl): Likewise. (build_protocol_reference): Likewise. 2001-01-10 Richard Henderson * hwint.h: Revert yesterday's change. 2001-01-10 Nick Clifton * function.h (save_machine_status): Delete. (restore_machine_status): Delete. Amend comment describing {init|mark|free}_machine_status. * function.c (save_machine_status): Delete. (restore_machine_status): Delete. Amend comment describing {init|mark|free}_machine_status. (push_function_context_to): Remove invocation of save_machine_status. (pop_function_context_from): Remove invocation of restore_machine_status. * emit-rtl.c (init_emit_once): Amend comment describing {init|mark|free}_machine_status. * tm.texi (Per-Function Data): New node. Describe the INIT_EXPANDERS macro and the {init|mark|free}_machine_status function pointers. 2001-01-10 Neil Booth * cppinit.c (OPT_g): Remove. (cpp_handle_option): Update for removed -g3. (print_help): Update. * cpplib.h (struct cpp_options): Remove debug_output. * cppmain.c (setup_callbacks, cb_define): Update. * gcc.c (cpp_options): Translate -g3 to -dD. 2001-01-10 Aldy Hernandez * config/i960/i960.md: Change modifier to + on the zero_extract pattern after the (rotate -2 reg) canonicalization pattern. 2001-01-10 Richard Henderson * config/alpha/alpha.c (alpha_free_machine_status): New. (override_options): Install it. (alpha_mark_machine_status): Verify machine non-null. * config/i386/i386.c (ix86_free_machine_status): New. (override_options): Install it. (ix86_init_machine_status): Use xcalloc. (ix86_mark_machine_status): Verify machine non-null. * config/ia64/ia64.c (ia64_free_machine_status): New. (ia64_override_options): Install it. (ia64_mark_machine_status): Verify machine non-null. Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com) * function.c (instantiate_virtual_regs): Instantiate virtual registers found in CALL_INSN_FUNCTION_USAGE. 2001-01-10 Joseph S. Myers * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as equivalent to -ansi in disabling -Di386. Wed Jan 10 16:38:31 MET 2001 Jan Hubicka * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes): new functions. (ix86_expand_fp_compare): Make trivial use of new infrastructure. 2001-01-10 Richard Earnshaw * arm.c (arm_init_builtins): Temporarily disable xscale builtins. 2001-01-10 Joseph S. Myers * invoke.texi: Document that -fcond-mismatch isn't supported for C++. 2001-01-10 Joseph S. Myers * gcc.texi: Define macro gcctabopt. * invoke.texi: Add manpage sections BUGS and AUTHOR. Use @command, @env and @option in some places where appropriate. Use @gcctabopt where appropriate. Put URLs and email addresses inside @w. 2001-01-10 Nathan Sidwell * gcc.c (cpp_options): Set MD file name from output filename, if specified. (suffix_subst): New static variable. (do_spec): Clear it. (do_spec_1, case '.'): Handle new `%.suffix' spec. Clear it. (give_switch): Handle suffix_subst. 2001-01-10 Phil Edwards * invoke.texi: Fix another typo. 2001-01-10 Phil Edwards * invoke.texi: Fix typo. 2001-01-10 Neil Booth * c-lang.c (lang_hooks): Update. (lang_decode_option): Remove. (lang_init_options): Rename c_init_options. * toplev.c (main): Use lang_hooks for lang_init_options and lang_decode_option. * toplev.h (lang_hooks): Add 2 new hooks. * tree.h: Remove lang_init_options and lang_decode_option. * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option. * cp/decl2.c: Similarly. * cp/lex.c (lang_init_options): Rename cxx_init_options. (lang_hooks): Update. * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish for consistency. (lang_init_options): Rename ffe_init_options. (lang_hooks): Update. (lang_decode_option): Remove. * java/lang.c (lang_init_options): Rename java_init_options. (lang_decode_option): Rename java_decode_option. (lang_hooks): Update. * objc/objc-act.c (lang_init_options): Rename objc_init_options. (lang_decode_option): Rename objc_decode_option. (lang_hooks): Update. 2001-01-09 Nick Clifton * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete. (d30v_return_addr_rtx): Delete. (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the cfun->machine structure. (struct machine_function): Move to d30v.h (d30v_save_machine_status): Delete. (d30v_restore_machine_status): Delete. (d30v_init_machine_status): New Function. (d30v_mark_machine_status): New Function. (d30v_free_machine_status): New Function. (d30v_init_expanders): Use new functions. (d30v_return_addr): Use ra_rtx field in cfun->machine. (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and d30v_return_addr_rtx. * config/d30v/d30v.h (struct_machine): Move here. Add eh_epilogue_sp_ofs field. *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs field in cfun->machine structure. Tue Jan 9 21:34:57 2001 John David Anglin * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code, PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register. * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise. Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com) * objc/lang-options.h: Remove bogus reference to Java trademark. 2001-01-09 Kazu Hirata * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to return the result. 2001-01-09 Alan Lehotsky * reload.c (find_reloads_address): Check for eliminable registers when substituting a constant expression for a pseudo. 2001-01-09 Joseph S. Myers * c-common.c (enum format_type): Add format_type_error. (decode_format_type): New function. (decl_attributes): Use it. (format_kind_info): Adjust comment. 2001-01-09 David O'Brien * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1, i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific files in tm_file. * config/i386/gnu.h: Don't include required platform specific .h files, tm.h will do it instead. * config/i386/i386elf.h: Likewise. * config/i386/linux.h: Likewise. * config/i386/moss.h: Likewise. * config/mips/gnu.h: Likewise. 2001-01-09 Franz Sirl * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h. (rs6000-ibm-aix3.[01]*): Likewise. (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise. (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise. (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise. (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise. (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h. (powerpc-*-eabiaix*): Likewise. (powerpc-*-eabisim*): Likewise. (powerpc-*-elf*): Likewise. (powerpc-*-eabi*): Likewise. (powerpc-*-rtems*): Likewise. (powerpc-*-linux*libc1): Likewise. (powerpc-*-linux*): Likewise. (powerpc-wrs-vxworks*): Likewise. (powerpcle-wrs-vxworks*): Likewise. (powerpcle-*-sysv*): Likewise. (powerpcle-*-elf*): Likewise. (powerpcle-*-eabisim*): Likewise. (powerpcle-*-eabi*): Likewise. (powerpcle-*-solaris2*): Likewise. * config/rs6000/aix31.h: Delete includes. * config/rs6000/aix3newas.h: Likewise. * config/rs6000/aix41.h: Likewise. * config/rs6000/aix43.h: Likewise. * config/rs6000/beos.h: Likewise. * config/rs6000/rtems.h: Likewise. * config/rs6000/sysv4.h: Likewise. 2001-01-09 Kazu Hirata * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu. Change an argument mode of machine_mode to shift_mode of shift_mode. Remove an extra error check. (emit_a_shift): Adopt to the new calling prototype of get_shift_alg. (function_prologue): Fix code for a monitor function. Support H8/S. (function_epilogue): Do not output pop for a monitor function. 2001-01-09 Nick Clifton * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete. (setup_incoming_varargs): Use sysv_varargs_p field of the cfun->machine structure. (struct machine_function): Move to rs6000.h (rs6000_save_machine_status): Delete. (rs6000_restore_machine_status): Delete. (rs6000_init_machine_status): New Function. (rs6000_free_machine_status): New Function. (rs6000_init_expanders): Use new functions. * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete export. (struct machine_function): Move here. * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use sysv_varargs_p field of the cfun->machine structure. * config/rs6000/rs6000-protos.h (rs6000_save_machine_status): Remove prototype. (rs6000_restore_machine_status): Remove prototype. 2001-01-09 Richard Henderson * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg. * sched-deps.c (sched_analyze_1): Update uses of struct deps. (sched_analyze_2, sched_analyze_insn): Likewise. (sched_analyze, init_deps): Likewise. (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET. * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument. (compute_block_backward_dependences): Update propagate_deps call. 2001-01-09 Mark Elbrecht * gcc.c (process_command): Set switches[n_switches].ordering to 0. 2001-01-09 Neil Booth * cppinit.c (OPT_MD, OPT_MMD): Restore. (cpp_handle_option): Handle them. (cpp_post_options): Ensure one of -M or -MM is specified with any other -M? option. (init_dependency_output): Suppress output with -MG. 2001-01-09 Neil Booth * cpp.texi: Update. * invoke.texi: Update. 2001-01-09 Bernd Schmidt * sh.md (reload_outsf): Generate recognizable patterns for TARGET_SH3E. 2001-01-09 Neil Booth * c-lang.c (lang_hooks): Update. (lang_init): Rename c_init. (lang_finish): Remove. * toplev.c (compile_file): Use lang_hooks for lang_init () and lang_finish (). * toplev.h (lang_hooks): Add init () and finish (). * tree.h (lang_init, lang_finish): Remove. * cp/tree.h (lang_init, lang_finish): Remove. * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c. * cp/lex.c (cxx_init, cxx_finish, cxx_post_options, lang_hooks): New. (lang_init, lang_finish): Remove. * f/com.c (lang_init, lang_finish): Rename f_init, f_finish. (lang_hooks): Update. * java/lang.c (lang_init): Rename java_init. (lang_finish): Remove. (lang_hooks): Update. * objc/objc-act.c (lang_init): Rename objc_init. (lang_finish): Remove. (lang_hoooks): Update. 20001-01-09 Graham Stott * cppfiles.c (_cpp_execute_include): Move `len` initialisation after `ptr` is initialised. 2001-01-09 Alexandre Oliva * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3. (INITIALIZE_TRAMPOLINE): Adjust accordingly. * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for stack adjusts, instead of r3. 2001-01-09 Michael Hayes * flow.c (flow_loop_scan): Break out of ... (flow_loops_find) ... here. * basic-block.h (flow_loop_scan): New. (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add. (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine. 2001-01-09 Alexandre Oliva * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero macro_buffer_len. * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when realloc()ing macro_buffer. * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long if it's wider than long and the target's long is wider than the host's. 2001-01-09 Mark Mitchell Remove support for using UWIN as a host machine. * configure.in: Issue an error message. * configure: Regenerated. * config.gcc: Remove xm_* UWIN configury. * config/i386/xm-uwin.h: Remove. 2001-01-08 Nick Clifton * config/v850/v850.c (ra_rtx): Delete. (v850_save_machine_status): Delete. (v850_restore_machine_status): Delete. (v850_init_machine_status): New function. (v850_mark_machine_status): New function. (v850_free_machine_status): New function. (v850_return_addr): Use ra_rtx field in machine structure. (v850_init_expanders): Use new functions. * config/v850/v850-protos.h: Fix prototypes for v850_output_* * config/v850/v850.c: Change arguments to v850_output+* functions to take a const char *, to avoid compile time warning. * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed. (USER_LABEL_PREFIX): Redefine. 2000-01-08 Jim Wilson * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast 1 to unsigned HOST_WIDE_INT before left shift. 2001-01-08 Nick Clifton * config/arm/arm.c (arm_mark_machine_status): Check to see if the machine structure has been allocated. (arm_free_machine_status): New function: Free the machine specific function structure. 2001-01-08 Richard Henderson * jump.c (simplejump_p): Revert last change. 2001-01-08 Neil Booth * cppinit.c (init): Rename init_library. (cpp_create_reader): Update. * gcc.c (cpp_options): If -o given, use it as the target of any -M options. 2001-01-08 Richard Earnshaw * arm.c (arm_arch5e): New variable. (all_cores): XScale is a 5TE device. (arm_override_options): Set arm_arch5e. (arm_init_builtins): __builtin_prefetch is in arch5e. * arm.h (arm_arch5e): Declare it. * arm.h (PREDICATE_CODES): Add arm_hard_register_operand. * arm.md (define_constants): Add defines for UNSPEC and UNSPEC_VOLATILE insns. Update all users. (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM. * arm.c (multi_register_push, note_invalid_constants) (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants. * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines. (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM. Mon Jan 8 16:14:56 MET 2001 Jan Hubicka * jump.c (jump_optimize_1): Use reversed_comparison_code instead of can_reverse_comparison_p. (jump_back_p): Likewise. (invert_exp_1): Likewise. (thread_jumps): Likewise. * simplify-rtx.c (simplify_unary_operation): Likewise. (simplify_ternary_operation): Likewise. * cse.c (find_comparison_args): Convert to use can_reverse_comparison_p. (record_jump_equiv): Likewise. 2001-01-08 Richard Earnshaw * arm.h (HARD_REGNO_RENAME_OK): Delete. (EPILOGUE_USES): Define. (INITIAL_ELIMINATION_OFFSET): Current prologue code does not automatically stack the LR if it isn't live. Mon Jan 8 13:46:02 MET 2001 Jan Hubicka * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions properly. Sun Jan 7 18:37:43 2001 Mark P Mitchell * ggc-page.c (max_alignment): New structure. (MAX_ALIGNMENT): New macro. (init_ggc): Use it to round up the sizes in the extra_order_size_table. 2001-01-07 Franz Sirl * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register after reload. 2001-01-07 Kaveh R. Ghazi * builtins.def (BUILT_IN_FPRINTF): New entry. * c-common.c (c_expand_builtin_fprintf): New function. (init_function_format_info): Handle __builtin_fprintf. (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf. (c_expand_builtin): Handle BUILT_IN_FPRINTF. * c-decl.c (duplicate_decls): Adjust comment. * extend.texi (fprintf): Document new builtin. 2001-01-07 Richard Henderson * jump.c (simplejump_p): Recognize any single_set jump of the proper form. 2001-01-07 Richard Henderson * configure.in (slibdir): Accept an --with-slibdir option. Use "test" not "[" in configure. Default to $(libdir). * config/t-linux (SHLIB_INSTALL): Double quote slibdir; fix typo in rm -f. * config/t-aix43 (SHLIB_INSTALL): Likewise. * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise. (SHLIB_LINK): Create links for the soname. * config/mips/t-iris6: Likewise. * config/sparc/t-slibgcc: Likewise. * config/sparc/t-slibgcc-sld: Likewise. 2001-01-07 Jakub Jelinek * config/i386/i386.c (constant_call_address_operand): Accept (const (plus (symbol_ref) (const_int))). * config/i386/i386.h (PREDICATE_CODES): Add CONST for constant_call_address_operand. 2001-01-08 Michael Hayes * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1 and LONG_LONG_TYPE_SIZE > 32. 2001-01-07 Gerald Pfeifer * jump.c (reversed_comparison_code_parts): Fix typo introduced by the previous change. Sun Jan 7 19:37:48 MET 2001 Jan Hubicka * jump.c (reversed_comparison_code_parts, reversed_comparison_code): New. (can_reverse_comparison_p): Rewrite to use reversed_comparison_code. (reverse_condition_maybe_unordered): Abort on unsigned comparisons. * rtl.h (reversed_comparison_code_parts, reversed_comparison_code): Declare. 2001-01-07 Neil Booth * fix-header.c (read_scan_file): s/pfile/scan_in/. 2001-01-07 Neil Booth * c-lang.c (c_post_options): Call cpp_post_options. * objc/objc-act.c (objc_post_options): Similarly. * cppmain.c (main): Similarly. * fix-header.c (read_scan_file): Similarly. * cppinit.c (cpp_start_read): Move option consistency checks to cpp_post_options. Don't call init_dependency_output. If needed, add default target and main file dependency. (OPT_MD, OPT_MMD): Remove. (OPT_MF): New. (cpp_handle_option): Update for OPT_* changes. (cpp_post_options): New. (init_dependency_output): Command line -MF overrides environment variables. Don't set default target etc. Suppress output if dependencies are going to stdout. (print_help): Update. * cpplib.h (cpp_post_options): New. * gcc.c (cpp_options): Update for -MD, -MMD, -MF. Sun Jan 7 14:44:19 MET 2001 Jan Hubicka * jump.c (comparison_dominates_p): Support unordered compares. Sun Jan 7 14:39:07 MET 2001 Jan Hubicka * simplify-rtx.c (simplify_relational_operation): Always simplify ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE and UNGE. Sun Jan 7 14:35:13 MET 2001 Jan Hubicka * combine.c (combine_simplify_rtx): Recognize the unordered compares. (nonzero_bits): Likewise. (simplify_comparison): Likewise. (num_sign_bit_copies): Likewise; return more sane value depending on STORE_FLAG_VALUE. (known_cond): Do not assume EQ to be always true for equivalent operands. Sun Jan 7 14:31:57 MET 2001 Jan Hubicka * cse.c (fold_rtx): Handle unordered comparisons. Sun Jan 7 13:49:19 MET 2001 Jan Hubicka * rtlanal.c (set_of_1): New static function. (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag, reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno, reg_set_last_last_regno): Remove. (set_of): New global function. (set_of_data): New structure. (reg_set_p, reg_set_last): Revamp for set_of. * rtl.h (set_of): New. 2001-01-07 Joseph S. Myers * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin. * extend.texi: Document _Exit builtin. 2001-01-07 Neil Booth * (initialize, initialize_builtins, initialize_dependency_output, initialize_standard_includes): Rename s/initialize/init. Update. (init_dependency_output): Move to after cpp_handle_options, the correct location temporally at least. (opt_comp): Move next to init (), its caller. Fix prototype. (init): Make "initialized" local scope. (cpp_create_reader): Always call init (). (cpp_start_read): Update. (output_deps): New function, broken out of cpp_finish. (cpp_finish): Break out output_deps. 2001-01-07 Richard Henderson * collect2.c (COFF specific stuff): Revert 12-06 patch to prototype system functions. 2001-01-07 Michael Hayes * hard-reg-set.h: Add multiple include guard. * basic-block.h (struct loop): Add `sink' field. * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h. (emit_iv_add_mult): Delete. (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define. (loop_iv_add_mult_emit_before, loop_insn_sink): Define. (unroll_loop): Remove end_insert_before argument. * loop.c (loop_givs_rescan): Remove end_insert_before argument. (maybe_eliminate_biv_1): Likewise. (emit_iv_add_mult): Delete. (gen_add_mult, loop_regs_update): New. (loop_insn_emit_after, loop_insn_emit_before): New. (loop_insn_sink, loop_insn_sink_or_swim): New. (emit_iv_add_mult): Delete. (scan_loop): Set loop->sink. (loop_givs_reduce): Use loop_insn_sink and its ilk. (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise. (maybe_eliminate_biv_1): Likewise. (maybe_eliminate_biv_1): Add basic block argument. * unroll.c (unroll_loop): Remove end_insert_before argument. (find_splittable_regs): Likewise. (find_splittable_regs): Use loop_insn_sink and its ilk. (find_splittable_givs, final_biv_value, final_giv_value): Likewise. 2001-01-07 Michael Hayes * loop.h (loop_insn_hoist): New prototype. * loop.c (loop_insn_hoist, loop_insn_emit_before): New. (move_movables, loop_givs_rescan): Use loop_insn_hoist. (check_dbra_loop, load_mems): Likewise. * unroll.c (unroll_loop, find_splittable_regs): Likewise. (find_splittable_givs): Likewise. 2001-01-07 Michael Hayes * loop.c (emit_iv_add_mult): Use single_set to examine new insn. 2001-01-07 Richard Henderson * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change. 2001-01-07 Richard Henderson * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and NO_SHARED_LIBGCC_MULTILIB as required for the target. * gcc.c (init_spec): Massage the existing libgcc_spec into a variant that handles a shared libgcc. (process_command): Always validate -{static,shared}-libgcc. (do_spec_1): New 'M' case. * invoke.text (Link Options): Document -{static,shared}-libgcc. 2001-01-07 Richard Henderson * Makefile.in (slibdir): New variable. (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc. (installdirs): Create slibdir. (install-libgcc, install-multilib): Defer to libgcc.mk. * configure.in (slibdir): Substitute. * mklibgcc.in (install): New target. * config/t-linux (SHLIB_LINK): Create links for the soname. (SHLIB_INSTALL): New. * config/alpha/t-osf4 (SHLIB_INSTALL): New. * config/mips/t-iris6 (SHLIB_INSTALL): New. * config/rs6000/t-aix43 (SHLIB_INSTALL): New. * config/sparc/t-slibgcc (SHLIB_INSTALL): New. * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New. 2001-01-07 Richard Henderson * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New. * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove. * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove. 2001-01-07 Michael Hayes * loop.c (count_loop_regs_set): Delete. (load_mems_and_recount_loop_regs_set): Delete. (loop_regs_scan): Merge common code from count_loop_regs_set, scan_loop, and load_mems_and_recount_loop_regs_set. (scan_loop): Call load_mems directly and loop_regs_scan again if new registers created. 2001-01-07 Neil Booth * toplev.c (main): Call the front-end specific post_options hook if one is given. * toplev.h (struct_lang_hooks, lang_hooks): New. * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks for the C front end. * cp/decl2.c (cxx_post_options, lang_hooks): Implement lang_hooks for the C++ front end. * objc/objc-act.c (objc_post_options, lang_hooks): Implement lang_hooks for the ObjC front end. * f/com.c (lang_hooks): Hooks for the Fortran front end. * java/lang.c (lang_hooks): Hooks for the Java front end. 2001-01-07 Neil Booth * c-lex.c (init_c_lex): Request #define / #undef callbacks for verbose DWARF[2] debugging. (cb_define, cb_undef): The new callbacks. * toplev.h (debug_define, debug_undef): Make const correct. * toplev.c (debug_define, debug_undef): Similarly. Do not perform the verbosity tests here anymore. 2001-01-07 Alexandre Oliva * reload.c (subst_reloads): Take INSN argument. When replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note. * reload.h (subst_reloads): Adjust prototype. * reload1.c (reload_as_needed): Pass INSN to subst_reloads. * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes present in JUMP_INSNs and copy them to JUMP_LABEL. * flow.c (find_label_refs, find_basic_blocks_1): Skip JUMP_INSNs and insns with REG_LABELs that are followed by JUMP_INSNs with the same REG_LABEL. * sched-rgn.c (is_cfg_nonregular): Likewise. * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL note is available. * unroll.c (unroll_loop): Look for REG_LABEL notes in JUMP_INSNs too. * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs. 2001-01-06 Richard Henderson * loop.c (scan_loop): Use xcalloc for the regs array. (load_mems_and_recount_loop_regs_set): Zero the new memory received from xrealloc. 2001-01-06 Neil Booth * mkdeps.c (deps_add_dep): Fix vector re-allocation. Sat Jan 6 00:09:34 2001 J"orn Rennecke * integrate.c (copy_rtx_and_substitute): When copying an ignored return value, strip REG_FUNCTION_VALUE_P. 2001-01-06 Michael Hayes * loop.c (debug_biv, debug_giv): New. (loop_biv_dump): Break out from ... (record_biv): ... here. (loop_giv_dump): Break out from ... (record_giv): ... here. (loop_bivs_check): Use print_simple_rtl. * unroll.c (loop_iterations): Use print_simple_rtl. 2000-01-05 John David Anglin * pa.md (return, return_internal): Modify patterns to prevent regrename mucking with the return pointer. 2001-01-05 Richard Henderson * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change. Fri Jan 5 16:34:18 2001 Nick Clifton * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster version supplied by Matteo Frigo. 2001-01-05 Neil Booth * cpp.texi: Update for -MQ. * cppinit.c (cpp_create_reader): Always create pfile->deps. (cpp_cleanup): Always free pfile->deps. (initialize_dependency_output): Don't create pfile->deps. (cpp_handle_option): Similarly. (OPT_MQ): New. * gcc.c (cpp_options): Handle -MQ. (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ. * mkdeps.c (base_name): Remove. (deps_init): Don't allocate vector space until it's needed. (deps_free): Only free vectors if allocated. (deps_add_target, deps_add_dep): Update for initial allocation. (deps_add_default_target): Don't strip to the base_name. 2001-01-05 DJ Delorie * config/v850/v850.h (RETURN_ADDR_RTX): Define. (INIT_EXPANDERS): Define. * config/v850/v850.c (struct machine_function): Define. (v850_save_machine_status): New function. (v850_restore_machine_status): New function. (v850_return_addr): New function. (v850_init_expanders): New function. * config/v850/v850-protos.h: Add prototypes for v850_return_addr and v850_init_expanders. 2001-01-05 Zack Weinberg * cpplib.h (struct cpp_reader): Add help_only field. * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version. (cpp_handle_option): Set pfile->help_only if we see -h, --help, -target-help, or --version. Print version string but do not set help_only if we see -v or -version. Make text printed by -v match that printed by (-)-version. * cppmain.c (main): Exit after option parsing if pfile->help_only is true. * toplev.c (independent_decode_option): Call print_version, then exit, if we see --version (but not -version). (print_version): Split lengthy message into two lines. 2001-01-05 Nick Clifton * config/v850/v850.c (v850_encode_data_area): Use alloca to create temporary string for initialisation before calling ggc_alloc_string. 2001-01-06 Michael Hayes * rtl.h (print_simple_rtl): New. * print-rtl.c (print_simple_rtl): New. (flag_simple): New. (print_rtx): Disable printing of flags and modes, etc., if `flag_simple` nonzero. 2001-01-05 Zack Weinberg * function.c (fixup_var_refs): Use push_to_full_sequence where possible. 2001-01-05 Michael Meissner * flags.h (flag_reorder_blocks): Add declaration. (flag_rename_block): Ditto. 2001-01-05 DJ Delorie * function.c (reorder_blocks): Make sure the flags are all reset before using them to mark blocks, else a second invocation will corrupt the block chain. (reorder_blocks_0): New, resets the flags. Fri Jan 5 20:34:06 2001 J"orn Rennecke * cse.c (find_comparison_args): Stop if the argument is known to be constant. 2001-01-05 Alexandre Oliva * config/sh/sh.md (movdf): When splitting load into pair of registers, don't clobber the register used in the address too early. 2001-01-05 Jeffrey Oldham * varasm.c (mark_constant_pool): Improve initial comments. (mark_constants): Move marking of constants to mark_constant. (mark_constant): New function to recursively mark all constants referred to by a constant. 2001-01-05 Catherine Moore * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG. 2001-01-05 Phil Edwards * cp/lang-options.h: Bring comment in line with reality. * f/lang-options.h: Likewise. * java/lang-options.h: Likewise. * objc/lang-options.h: Likewise. * ch/lang-options.h: Likewise. * f/g77.texi: And update the manual. 2001-01-05 Marek Michalkiewicz Denis Chertykov * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype. * config/avr/avr.c (avr_peep2_scratch_safe): New function. * config/avr/avr.md (all peepholes that request a scratch register): Call it, FAIL the peephole if not safe (in interrupt functions). 2001-01-05 Mark Mitchell * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now. 2001-01-05 Joseph S. Myers * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG): Define. * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ, BUILT_IN_CREAL and BUILT_IN_CIMAG. * c-common.c (c_common_nodes_and_builtins): Create builtin conjf, conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl. (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and BUILT_IN_CIMAG. * extend.texi: Document these builtins. 2001-01-05 Daniel Berlin * c-common.c (lang_get_alias_set): Say we know nothing of VECTOR_TYPE aliasing. * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly. 2001-01-05 Bruce Korb * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to their x* equivalent versions for atexit-less systems * fixinc/fixincl.c(main): do not return from main() on atexit-less systems (or any other system any more). 2001-01-05 Richard Earnshaw * arm.md (ldmsi_postinc): Avoid use of match_dup between input and output operands. Use arm_hard_register_operand for operand 4. (stmsi_postinc): Similarly. (ldmsi): Use arm_hard_register_operand for opernand 2. (stmsi): Similarly. * arm.c (arm_hard_register_operand): New function. * arm-protos.h (arm_hard_register_operand): Prototype it. * arm.h (HARD_REGNO_RENAME_OK): Define. Fri Jan 5 16:29:49 MET 2001 Jan Hubicka * simplify-rtx.c (cfc_args): add "unordered" field. (check_fold_consts): Set unordered field. (simplify_relational_operation): Simplify the unordered comparisons. * reg-stack.c (swap_rtx_condition): Ensure that the transformation is valid. * emit-rtl.c (try_split): Fix code to mark labels. * jump.c (mark_jump_label): Make global. * rtl.h (mark_jump_label): Declare. * predict.c (estimate_probability): Handle unordred comparisons. 2001-01-05 Neil Booth * cpp.texi: Update for -MP. Clarify behaviour of -MT. * cppinit.c (initialize_dependency_output): Update. (cpp_finish): Output dummy targets for -MP. (OPT_MP): New. (cpp_handle_option): Handle -MP. Don't quote -MT options. * cpplib.h (struct cpp_options): Add deps_phony_targets. * gcc.c (cpp_options): Update to handle -MP. * mkdeps.c (deps_add_target, deps_add_default_target): Update to quote only the default target. (deps_phony_targets): Insert a preceding newline. Rename from deps_dummy_targets for consistency. * mkdeps.h: Update 2001-01-05 Alexandre Oliva * calls.c (emit_library_call_value_1): Support INIT_CUMULATIVE_LIBCALL_ARGS. * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it. 2001-01-04 Richard Henderson * c-decl.c (finish_struct): Detect flexible array members used in an inappropriate context. * c-typeck.c (really_start_incremental_init): Special case constructor_max_index for zero length arrays. (pop_init_level): Allow initialization of flexible array members. Deprecate initialization of zero length arrays. Don't issue missing initializer warning for flexible array members or zero length arrays. (process_init_element): Don't dereference null DECL_SIZE. * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT. Don't abort for empty constructors. Use size_binop (output_constructor): Add commentary regarding zero length array futures. Abort if we try to initialize an array of unspecified length with a non-empty constructor in the middle of a structure. * extend.texi (Zero Length): Update and clarify documentation on static initialization. 2001-01-05 Michael Hayes * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR with more than 32767 words of local storage. 2001-01-05 Michael Hayes * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support for 'abs', 'labs', and 'fabs'. (c4x_expand_builtin): Likewise. * config/c4x/c4x.h (enum c4x_builtins): Likewise. 2001-01-05 Alexandre Oliva * config/sh/sh.md (prget, prset): New insn types. (return delay slot): Dont' allow prset. (call, sfunc delay slot): Don't allow prget. (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives for prset and prget. 2001-01-05 Michael Hayes * loop.h (struct loop_reg): New. (struct loop_regs): Change to use array of `struct loop_reg'. * loop.c: Replace assortment of varrays with single regs array. (count_one_set): Delete may_not_move array argument and use regs array instead. All caller's changed. (count_loop_regs_set): Delete may_not_move and single_usage arguments and use regs array instead. All caller's changed. (find_single_use_in_loop): Replace usage array argument with pointer to regs structure. All caller's changed. (loop_optimize): Delete `moved_once' array. 2001-01-05 Michael Hayes * loop.c (prescan_loop): Set loop_info->has_nonconst_call. Use it instead of loop_info->has_call for scanning loop mems. (check_dbra_loop): Replace loop_info->has_call test with loop_info->has_nonconst_call. 2000-01-04 Matthew Hiller * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used for TARGET_SH3E. 2001-01-04 Joseph S. Myers * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST, use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND. 2001-01-04 Joseph S. Myers * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define. (flag_short_double, flag_short_wchar): Define. (c_common_nodes_and_builtins): Create many tree nodes shared between C and C++ here instead of in cp/decl.c and ... * c-decl.c (init_decl_processing): ... here. (SIZE_TYPE, WCHAR_TYPE): Don't define. (flag_short_double, flag_short_wchar): Don't define. (record_builtin_type): New function. (build_void_list_node): New function. * c-common.h (flag_short_double, flag_short_wchar, record_builtin_type, build_void_list_node): Declare. Thu Jan 4 21:09:47 2001 J"orn Rennecke * integrate.c (expand_inline_function): Don't put a virtual register into the reg map. * function.c (fixup_var_refs_1): If force_operand didn't put the address into the target, move it there. 2001-01-04 Mark Mitchell Special-case tree_decl/tree_list allocations. * ggc-page.c (OBJECT_PER_PAGE): Reimplement. (OBJECT_SIZE): New macro. (NUM_EXTRA_ORDER): Likewise. (extra_order_size_table): New variable. (NUM_ORDERS): New macro. (objects_per_page_table): New variable. (object_size_table): New variable. (G.pages): Use NUM_ORDERS to bound the array. (G.page_tails): Likewise. (DIV_ROUND_UP): Remove. (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP. (alloc_page): Use OBJECT_SIZE. (size_lookup): Don't make it const. (ggc_alloc): Use OBJECT_SIZE. (ggc_set_mark): Likewise. (ggc_get_size): Likewise. (init_ggc): Set up the object_size_table, objects_per_page_table, and adjust size_lookup. (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP. (ggc_pop_context): Use NUM_ORDERS. (clear_marks): Likewise. (sweep_pages): Likewise. (poison_pages): Likewise. (ggc_print_statistics): Use OBJECT_SIZE. Thu Jan 4 15:54:05 2001 Richard Kenner * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes. Only call array_size_for_constructor if last field and array type with no upper bound. 2001-01-04 Philip Blundell * config/arm/arm.c (arm_gen_constant): Prefer to emit constants from bit 31 downwards, if this requires no more insns. (count_insns_for_constant): New helper function for above. 2001-01-04 Alexandre Oliva * gencodes.c (output_predicate_decls): Remove empty initializer. 2001-01-04 Mark Mitchell * tree.c (copy_node): Remove documentation about obstacks. (buidl1): Check that nobody tries to build 2-argument nodes this way. 2001-01-04 Kaveh R. Ghazi * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and fp_high_losum_p. * gencodes.c (output_predicate_decls): Fill empty initializer braces. 2001-01-04 Jakub Jelinek * tradcpp.c (deps_file, print_deps_missing_files): New variables. (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M or -MM. (do_include): Handle missing headers like cpp0. * cppfiles.c (_cpp_execute_include): Don't prefix absolute header paths with first include pathname. Don't strcat to uninitialized string. 2001-01-04 Bernd Schmidt * regrename.c (regrename_optimize): Don't rename from frame pointer if frame_pointer_needed. (do_replace): Don't set ORIGINAL_REGNO to a hard register number. * config/ia64/ia64.c (emit_all_group_insn_barriers): New function. (ia64_reorg): Use it instead of scheduling if ! optimize. (errata_emit_nops): Properly call asm_noperands. (ia64_sched_reorder): Finish cycle if we see an asm. (ia64_variable_issue): Clear scheduling state after asms. 2001-01-04 Neil Booth * cpp.texi: Update for -MT. * cppinit.c (initialize_dependency_output): Add a default target if none has been given already. (no_tgt, OPT_MT): New. (cpp_handle_option): Handle -MT. Update -M etc. * cpplib.h (struct cpp_options): Remove deps_target. * gcc.c (cpp_options): Handle -MT. * mkdeps.c (struct deps): Move from mkdeps.h. (deps_calc_target): Rename deps_add_default_target. Add a default target if none has been specified already. * mkdeps.h (struct deps): Move to mkdeps.c. (deps_calc_target): Rename deps_add_default_target. 2000-01-03 Richard Henderson * c-decl.c (grokdeclarator): Give zero-length arrays size zero. Remove dead code. * c-typeck.c (push_init_level): Move checks for flexible array members and zero length arrays ... (pop_init_level): ... here. Silently discard empty initializations. Remove dead code. * varasm.c (output_constructor): Update for sizeof change to zero-length arrays. * extend.texi (Zero Length): Clarify semantics. 2001-01-03 Alexandre Oliva * configure.in (tm.h): Include isns-codes.h last. * configure: Rebuilt. 2001-01-03 Richard Henderson * config/alpha/alpha.md (addvsi3, addvdi3): New. (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New. 2001-01-03 Franz Sirl * tradcpp.c (main): Make sure finclude() is called with a valid indepth value while handling -include. 2001-01-03 Alexandre Oliva * gencodes.c (output_predicate_decls): New function. (main): Call it. * machmode.h (GET_MODE_MASK): Arrange for it to be defined even if it is not the first time machmode.h is #included. * config/sh/sh.c (fpul_operand): Declare MODE argument. * tm.texi (PREDICATE_CODES): Document predicate declarations. * gcc.texi (Copyright): Added 2001. 2001-01-03 Joseph S. Myers * c-common.c (c_common_lang_init): New function. Warn if format warning options which only have effects when used with -Wformat are used without -Wformat. * c-common.h (c_common_lang_init): Declare. * c-lang.c (lang_init): Call c_common_lang_init. * objc/objc-act.c (lang_init): Call c_common_lang_init. 2001-01-03 Joseph S. Myers * configure.in: Check for the mktemp command. * configure: Regenerate. * gccbug.in: Use a separate temporary file $TEMP0 for one use of $TEMP. Create temporary files with mktemp, if available at configure time; otherwise use set -C. Remove temporary files before exit. 2001-01-03 Joseph S. Myers * configure.in: Require at least texinfo 4.0. Check for whether Pod::Man is sufficiently recent to regenerate GCC manpages. * configure: Regenerate. * Makefile.in (TEXI2POD): Call perl explicitly rather than relying on #!. (GENERATED_MANPAGES): Define. (generated-manpages): New target. Depend on cpp.1 as well as gcov.1. (install-man): Depend on $(GENERATED_MANPAGES) (defined by configure to generated-manpages or empty) rather than on the manpages directly. Remove execute permission from installed gcov.1 as well as cpp.1. * cpp.1, gcov.1: Regenerate. 2001-01-03 Kaveh R. Ghazi * builtins.c (expand_builtin_strncmp): Use host_integerp and tree_low_cst. Allow using cmpstrsi in more cases. Wed Jan 3 10:48:43 2001 Richard Kenner * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable sized types. Wed Jan 3 12:22:32 2001 Alexandre Oliva * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'. * Makefile.in (HOST_CFLAGS): Mention build-make. Wed Jan 3 08:53:50 2001 Richard Kenner * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore as JUMP_INSN. 2001-01-01 Bernd Schmidt * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on a REG rtx. * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All callers changed. * alias.c (throughout): Use ORIGINAL_REGNO when accessing reg_base_value and reg_known_value arrays. (init_alias_analysis): Add more cases to detect known values. * sched-deps.c (deps_may_trap_p): New function. (sched_analyze_2): Use it. 2001-01-03 Alexandre Oliva * combine.c (simplify_shift_const): Even if we're sign-extracting, don't discard an ASHIFTRT if we're shifting in a wider mode. 2000-01-02 John David Anglin * toplev.c (rest_of_compilation): Don't print basic block information when CFG isn't up to date. 2001-01-02 Mark Elbrecht * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define. (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define. (UNALIGNED_SHORT_ASM_OP): Define. (CPP_PREDEFINES): Remove defines for GO32 and DJGPP. 2001-01-02 Mark Mitchell * fold-const.c (fold_convert): Fix typo. 2001-01-02 Richard Henderson * c-common.h (ASM_INPUT_P): New. * c-parse.in (asm): Set it when needed. * c-semantics.c (genrtl_asm_stmt): Test it instead of the existance of an operand. Tue Jan 2 20:27:07 MET 2001 Jan Hubicka * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY. (dwarf2out_frame_debug_expr): Likewise. (mem_loc_descriptor): Handle PRE and POST_MODIFY. Tue Jan 2 20:21:31 MET 2001 Jan Hubicka * i386.c (ix86_split_to_parts): Return number of part required; handle TFmodes. (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle TFmodes. (ix86_split_long_move): Use number of part returned by ix86_split_to_parts * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE): New macros. (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double (LONG_DOUBLE_TYPE_SIZE): Change from constant. (MAX_LONG_DOUBLE_TYPE_SIZE): New macro. (INTEL_EXTENDED_IEEE_FORMAT): Likewise. (ALIGN_MODE_128): Add TFmode. (IS_STACK_MODE): Likewise. (HARD_REGNO_NREGS): TFmode needs 3 registers. (HARD_REGNO_OK): Support TFmodes. (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes. * i386.md (scheduler definitions): Use memory operand to determine fst/fld instructions; use mode attribute to determine real mode of the instruction. (*tf): New patterns, expanders and splitters; based on XFmode patterns. * invoke.texi (128bit-long-double, 96bit-long-double): Document. 2001-01-02 Mark Mitchell * tree.def (TRUTH_NOT_EXPR): Improve documentation. Tue Jan 2 10:47:38 2001 Richard Kenner * config/mips/mips.c (function_arg): Don't pass NULL_TREE to host_integerp. 2001-01-02 Jeffrey Oldham * tm.texi (FUNCTION_ARG): Document that @var{type} can be an incomplete type. Tue Jan 2 10:47:38 2001 Richard Kenner * tsystem.h: Define HAVE_DECL_GETOPT. 2001-01-02 Philip Blundell * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber of input operand. 2001-01-02 Richard Henderson * alpha.md (*ze_and_ne): Duplicate insn condition to split. 2001-01-02 Andreas Jaeger * c-decl.c (c_decode_option): Remove support of -Wmissing-noreturn. * toplev.c (documented_lang_options): Remove -Wmissing-noreturn. (W_options): Add -Wmissing-noreturn here. * flow.c: Define lang_missing_noreturn_ok_p. (check_function_return_warnings): Use it. * c-common.h: Declare lang_missing_noreturn_ok_p. * c-lang.c (c_missing_noreturn_ok_p): New function. (lang_init): Set lang_missing_noreturn_ok_p. * invoke.texi (Warning Options): Document this. 2000-12-27 Phil Edwards * extend.texi (C++ Extensions): New node for C++ attributes; describe init_priority and com_interface. * invoke.texi: Remove -finit-priority as it now has zero effect. * install.texi: Fix xref syntax. * md.texi: Likewise. Mon Jan 1 21:28:29 2001 Richard Kenner * config.gcc (sparc64-wrs-vxworks*): New case. * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files. * config/sparc/sparc.c (sparc_override_options): Do support different pointer and architecture size. * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4. (POINTERS_EXTEND_UNSIGNED): Define. (Pmode): Test TARGET_ARCH64, not TARGET_PTR64. (FUNCTION_MODE): Define to be Pmode. * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI. * function.c (expand_function_end): Properly handle DECL_RESULT and copy when ptr_mode != Pmode. * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed. 2001-01-01 Kaveh R. Ghazi * c-common.c (c_common_nodes_and_builtins): Set prototype parameters for __builtin_fputs, __builtin_fputc and __builtin_fwrite. Don't declare plain fputc as a builtin. 2001-01-01 John David Anglin * loop.c (add_label_notes): Increment the label usage count when a note is added to an insn which refers to a CODE_LABEL. * gcse.c (add_label_notes): Likewise. 2001-01-01 Andreas Jaeger * loop.c (scan_loop): Use xmalloc to allocate movables. 2001-01-01 Alexandre Oliva * tm.texi (REGISTER_MOVE_COST): Add a mode argument. * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers. * reload1.c (REGISTER_MOVE_COST): Likewise. * regclass.c (REGISTER_MOVE_COST): Likewise. (move_cost, may_move_in_cost, may_move_out_cost): Add mode dimension. Adjust all users. (init_reg_sets_1): Iterate on all modes. * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust. * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust. * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust. * config/arc/arc.h (REGISTER_MOVE_COST): Adjust. * config/arm/arm.h (REGISTER_MOVE_COST): Adjust. * config/avr/avr.h (REGISTER_MOVE_COST): Adjust. * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust. * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust. * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust. * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust. * config/i386/i386.h (REGISTER_MOVE_COST): Adjust. * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust. * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust. * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust. * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust. * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust. * config/mips/mips.h (REGISTER_MOVE_COST): Adjust. * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust. * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust. * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust. * config/pa/pa.h (REGISTER_MOVE_COST): Adjust. * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust. * config/pj/pj.h (REGISTER_MOVE_COST): Adjust. * config/romp/romp.h (REGISTER_MOVE_COST): Adjust. * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust. * config/sh/sh.h (REGISTER_MOVE_COST): Adjust. * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust. 2001-01-01 Bernd Schmidt * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of arg VARIES_P. Call it with extra arg. (true_dependence): Likewise. * rtl.h (rtx_addr_can_trap_p): Declare. (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update prototypes. * rtlanal.c (rtx_addr_can_trap_p): No longer static. (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow pic offset table register if it's zero. All callers changed. (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed. Mon Jan 1 07:38:33 2001 Richard Kenner * explow.c (convert_memory_address, case SYMBOL_REF): Copy STRING_POOL_ADDRESS_P. * config/sparc/sparc.c (input_operand): Properly test for short op. * config.gcc (sparc-*-elf): Include sparc/sol2.h. (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h. (sparclite-*-elf*, sparc86x-*-elf*): Likewise. * config/sparc/elf.h: No longer include sol2.h. * config/sparc/lifeelf.h: No longer include sparc/elf.h. * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise. * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64. 2001-01-01 Michael Hayes * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds. (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise. (record_initial): Likewise. * unroll.c (copy_loop_body, loop_iterations): Likewise. (remap_split_bivs): Likewise. 2001-01-01 Michael Hayes * loop.c (loop_ivs_free): New function. (strength_reduce): Break out from... 2001-01-01 Michael Hayes * loop.h (struct iv): New. (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'. (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info', 'reg_biv_class' fields with 'regs' and 'n_regs'. (struct ivs): Rename 'loop_iv_list' field to 'list'. * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array. * unroll.c (loop_iterations): Check array bounds with ivs->n_regs. 2000-12-31 Alexandre Oliva * resource.c (mark_referenced_resources): Abort() before attempting to mark a pseudo register. (mark_set_resources): Likewise. 2001-01-01 Michael Hayes * loop.h (REG_IV_CLASS): New accessor macro. * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array. * unroll.c (REG_IV_CLASS): Likewise. See ChangeLog.4 for earlier changes.