From-SVN: r14837

From-SVN: r14834

From-SVN: r14831

        * Makefile.in (F77_SRCS): Re-alphabetize.
        * Make-lang.in (F77_OBJS): Likewise.
Minor nit from Craig Burley.

From-SVN: r14829

From-SVN: r14828

From-SVN: r14827

From-SVN: r14826

Makefile.in (sub-makes): Pass the current value of LANGUAGES down to sub-makes to avoid building more...

        * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
        to sub-makes to avoid building more passes than the user might have
        requested on the command line.
From Manfred Hollstein.

From-SVN: r14825

        * INSTALL: Rebuilt.
        * install.texi: Remove "Object File Differences" section.  Remove
        all references to zzz.o failing comparison tests.
        * version.c, version.h: Renamed from zzz.c and zzz.h.  Remove
        date and time stamps so a 3 stage build reports no differences.
        * Make-lang.in: Corresponding changes.
        * Makefile.in: Likewise.
        * g77.c, parse.c: Likewise.
So 3-stage build compares OK.  Rename zzz.[ch] files to version.[ch].

From-SVN: r14824

        * configure.in: Expurgate `broken_install' (install is
        autoconfed).

        * configure.lang: Substitute autoconfed ${INSTALL} (not currently
        relevant).
From Dave love.

From-SVN: r14823

        * gcc.c (default_compilers): Add __EGCS__ and __EGCS_MINOR__
        predefines.

From-SVN: r14822

From-SVN: r14820

From-SVN: r14819

        * loop.c (is_power_of_2, is_conditional_branch): Delete unused
        functions and declarations.
        (analyze_loop_iterations): Use condjump_p.
        (insert_bct): Likewise.  Use exact_log2.
Just cleanup up some haifa code.

From-SVN: r14818

        * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
        (schedule_region): Likewise.
        (schedule_insns): Likewise.
To avoid leaking memory.

        * PROJECTS: Update with Haifa stuff.

From-SVN: r14817

        * loop.c (is_conditional_branch): Make definition match declaration.
Found by the sunos compiler

From-SVN: r14815

From-SVN: r14814

in the built-in defines are > 2.7.

From-SVN: r14813

        * Makefile.in, Make-lang.in: Remove "^L" at the beginning
        of lines.
Some makes don't like them.

From-SVN: r14812

        * version.c: Change the version string to look like:
        egcs-1.0.0 970814 (gcc2-970802 experimental).

        * gcc.c: Take out experimental snapshot warning message.

From-SVN: r14811

From-SVN: r14810

From-SVN: r14803

        * c-lex.c (check_newline): Pass finput again to HANDLE_PRAGMA.
Bring over from the FSF.

From-SVN: r14802

        * toplev.c (main): In -g handling code, add code to set len.

        * alpha.md (extendqihi2): Use HImode not QImode in force_reg call.

Brought over from gcc2.

From-SVN: r14801

From-SVN: r14800

Remove pre-built into files.

From-SVN: r14799

From-SVN: r14784

	* configure.in (haifa configury): Fix typo.
	* configure: Regenerate.

From-SVN: r14783

        * version.c: Bump version to "gcc-3.0.0 970802 experimental".

        * gcc.info*: Rebuilt.

        * COPYING.g77, README.g77: New files.
        * real.c (ereal_unto_float, ereal_unto_double): New functions.
        * real.h (ereal_unto_float, ereal_unto_double): Declare them.
        (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
Get g77 to work with gcc3.

From-SVN: r14776

        * g77.info*: Rebuilt.

        * config-lang.in: Don't demand the backend patch.
        * com.c (lang_printable_name): Second argument is now an int.  Don't
        store into the value of the second argument.
        * top.c (ffe_decode_option): Temporarily disable setting
        of "Toon" loop options until we figure out how to address
        them.

Make g77 work with gcc3.

From-SVN: r14775

From-SVN: r14772

From-SVN: r14771

        * Integrate regmove pass.
See ChangeLog for deatils.

From-SVN: r14770

        * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
        (process_command): Increment n_switches for them.  Don't discard
        their args.  Validate them.
        (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
        From Rohan Lenard.
        (process_command): Set include_prefixes from COMPILER_PATH.
        (main): Set COLLECT_GCC_OPTIONS sooner.
        * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
        * tlink.c, hash.c, hash.h: New files.
        * Makefile.in (USE_COLLECT2): Always use collect2.
        (collect2): Depend on and link in hash.o and tlink.o.
        (tlink.o, hash.o): Add dependencies.

tlink patches from Jason.

From-SVN: r14769

        * Makefile.in (OBJS): Add alias.o
        (alias.o): Add dependencies.
        * alias.c: New file.
        * sched.c: Remove alias analysis code.  It lives in alias.c now.
        (reg_last_uses_size): Declare.
        (sched_analyze_2): Add new arguments to true_dependence.
        (sched_analyze_insn): Use reg_last_uses_size instead of max_reg.
        (schedule_block): Initialize reg_last_uses_size.
        (schedule_insns): Always call init_alias_analysis.
        * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
        mark return value from such functions as a pointer and keep track of
        them for alias analysis.  If a return value from a function is a
        pointer, mark it as such.
        * combine.c (distribute_notes): Handle REG_NOALIAS.
        * cse.c (struct write_data): Delete.  No longer needed.
        (invalidate): Don't call set_nonvarying_address_components anymore.
        Use true_dependence to decide if an entry should be removed from
        the hash table.
        (invalidate_memory): Remove WRITES argument, simplify appropriately.
        Fix all callers.
        (note_mem_written): Similarly for WRITE_PTR argument.
        (invalidate_from_clobbers): Similarly for W argument.
        (invalidate_for_call): Remove memory elements from the hash table.
        (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
        (cse_rtx_varies_p): New function.  Derived from old
        cse_rtx_addr_varies_p.
        (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
        Don't call note_mem_written anymore.  Stack pushes invalidate the stack
        pointer if PUSH_ROUNDING is defined.  No longer need to call
        cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
        (skipped_writes_memory): Remove variable.
        (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
        (invalidate_skipped_block): Simplify for new alias analysis code.
        (cse_set_around_loop): Likewise.
        (cse_main): Call init_alias_analysis.
        * flags.h (flag_alias_check, flag_argument_noalias): Declare.
        * toplev.c (flag_alias_check, flag_argument_noalias): Define.
        (f_options): Add new alias checking arguments.
        (main): Set flag_alias_check when optimizing.
        * local_alloc (validate_equiv_mem_from_store): Add new arguments
        to true_dependence.
        (memref_referenced_p): Likewise.
        * loop.c (NUM_STORES): Increase to 30.
        (prescan_loop): Only non-constant calls set unknown_address_altered.
        (invariant_p): Add new arguments to true_dependence.
        (record_giv): Initialize unrolled and shared fields.
        (emit_iv_add_mult): Call record_base_value as needed.
        * loop.h (struct induction): Add unrolled and shared fields.
        * unroll.c  (unroll_loop): Call record_base_value as needed.
        (copy_loop_body): Likewise.
        (final_biv_value): Likewise.
        (final_giv_value): Likewise.
        (find_splittable_regs): Likewise.  Only create one new pseudo
        if we have multiple address GIVs that were combined with the same
        dst_reg GIV.  Note when a new register is created due to unrolling.
        * rtl.c (reg_note_name): Add REG_NOALIAS.
        * rtl.h (enum reg_note): Similarly.
        (rtx_varies_p, may_trap_p, side_effects_p): Declare.
        (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
        (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
        (true_dependence, read_dependence, anti_dependence): Likewise.
        (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
        (mark_user_reg, mark_reg_pointer): Likewise.
jfc's alias analysis code.

From-SVN: r14768

        to bootstrap again.
        * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
        OPERAND_ADDRESS when computing how many registers an insn needs.
        (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
        conflict.
        (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
        OPADDR_ADDR reload.
        (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
        in reload_reg_use_in_op_addr do not reach the end.
        do not reach the end.
        (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
        RELOAD_FOR_OPERAND_ADDRESS.



Start a new ChangeLog for gcc3.

From-SVN: r14767

From-SVN: r14764

From-SVN: r14727

From-SVN: r14676

From-SVN: r14671