libgloss.h: Add a note discouraging use with ELF.

[thirdparty/gcc.git] / gcc / ChangeLog

Mon Aug  2 17:02:08 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * config/libgloss.h: Add a note discouraging use with ELF.
        * configure.in: Don't use libgloss.h for ELF targets.

Mon Aug  2 16:27:42 1999  Jim Wilson  <wilson@cygnus.com>

        * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
        (force_to_mode, case ASHIFTRT): Add shiftrt label.

Tue Aug  3 00:45:02 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (strength_reduce): When doing biv->giv conversion, update
        reg note of NEXT->insn.

1999-08-02  Jakub Jelinek  <jj@ultra.linux.cz>

        * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.

1999-08-02  Jakub Jelinek  <jj@ultra.linux.cz>

        * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
        PROMOTE_PROTOTYPES, so that it tests it as a C expression.
        Ensure expr.h is included.
        * c-typecheck.c (convert_arguments): Ditto.

        * expr.h: Supply default for PROMOTE_PROTOTYPES (0).

        * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
        * config/convex/convex.h: Ditto.
        * config/dsp16xx/dsp16xx.h: Ditto.
        * config/fx80/fx80.h: Ditto.
        * config/gmicro/gmicro.h: Ditto.
        * config/i370/i370.h: Ditto.
        * config/i386/i386.h: Ditto.
        * config/m32r/m32r.h: Ditto.
        * config/m68k/m68k.h: Ditto.
        * config/m88k/m88k.h: Ditto.
        * config/mips/mips.h: Ditto.
        * config/pa/pa.h: Ditto.
        * config/pyr/pyr.h: Ditto.
        * config/tahoe/tahoe.h: Ditto.
        * config/we32k/we32k.h: Ditto.

        * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
        based on arch size.

        * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.

        * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
        from comment.

        * tm.texi: Document new usage of PROMOTE_PROTOTYPES.

1999-08-02  Richard Henderson  <rth@cygnus.com>

        * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
        for the register spill block.
        (m32r_va_arg): New.
        * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
        (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.

        * m32r.h (INT8_P): Don't short-cut test with (unsigned).
        (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
        (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.

1999-08-02  Jakub Jelinek  <jj@ultra.linux.cz>

        * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
        MAX_WCHAR_TYPE defined in sparc.h.
        * config/sparc/linuxaout.h: Likewise.
        * config/sparc/linux64.h: Likewise.
        Also default to -mvis if CPU is UltraSPARC.

1999-08-02  Jakub Jelinek  <jj@ultra.linux.cz>

        * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
        (RTX_OK_FOR_OLO10): Likewise.
        (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
        %lo(), allow it in addresses...
        (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
        * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
        does not make sense.
        * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
        (sparc_output_scratch_registers): New function.
        (output_function_prologue, sparc_flat_output_function_prologue): Use
        it.
        * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
        defined.
        * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
        * configure.in: Add check for .register pseudo-op support in as and
        check for offsetable %lo().
        * acconfig.h: Add templates for the above checks.
        * configure: Regenerate.

1999-08-02  Richard Henderson  <rth@cygnus.com>

        * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
        * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
        * sparc/sol2.h (TARGET_DEFAULT): Likewise.

Mon Aug  2 23:46:45 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (strength_reduce): When doing biv->giv conversion, fix up
        reg_biv_class.

1999-08-02  Jakub Jelinek  <jj@ultra.linux.cz>

        * config/float-sparc.h: New file.
        * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
        sparc-*-linux-gnu and sparc64-*-linux*.

1999-08-02  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * rs6000.c (rs6000_va_list): Type is an array.
        (rs6000_va_start): Don't doubly adjust for varargs.
        (rs6000_va_arg): Evaluate long long GPR adjustment.

Mon Aug  2 16:15:57 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
        -maix64 and -maix32.
        (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
        LINK_SPEC): Change appropriately.
        * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
        (u_short_cint_operand): Likewise.
        * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
        for 64-bit hosts.
        * rs6000/t-aix43 (MULTILIB): Change to -m64.

        * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.

Mon Aug  2 16:15:57 1999  Geoff Keating  <geoffk@cygnus.com>

        * rs6000/rs6000.c (num_insns_constant_wide): Correct
        for type promotion.
        (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
        (non_add_cint_operand): Likewise.
        (logical_operand): Likewise.
        (non_logical_cint_operand): Likewise.
        (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
        (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
        (rs6000_select_rtx_section): Suppress warning.
        (small_data_operand): Suppress warning.
        (rs6000_got_register): Suppress warning.
        * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
        type, so `J' is generally the wrong constraint for a SImode value;
        use `L' instead.
        (andsi3_internal2): Likewise.
        (andsi3_internal3): Likewise.
        (iorsi3_internal1): Likewise.
        (xorsi3_internal1): Likewise.
        (movsi): Likewise.
        (movsf_softfloat): Likewise.
        (scc insns): Likewise.
        (movsi+2): Preserve sign bits of SImode constant.
        (floatsidf2_internal+1): Sign-extend SImode constant correctly.
        (movdf+1): Sign-extend properly.
        (movdi_32+1): Sign-extend properly.
        (scc insns): Sign-extend properly.

        * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
        K, L, and T.

1999-08-02  Richard Henderson  <rth@cygnus.com>

        * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
        -mcpu parsing code.
        (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
        * alpha.md (all fp insns): Likewise.

1999-08-02  Nick Clifton  <nickc@cygnus.com>

        * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
        already defined.

Mon Aug  2 03:38:33 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (legitimize_pic_address): Clarify comments.  Do not call the
        pic_load_label generator directly.
        * pa.md (pic_load_label): Clarify comments.  Remove modes on operands.
        No longer a named pattern.

Mon Aug  2 09:38:10 1999  Nick Clifton  <nickc@cygnus.com>

        * explow.c (force_reg): Call force_operand if X does not
        satisfy general_operand.

Mon Aug  2 01:34:22 1999  Jeffrey A Law  (law@cygnus.com)

        * fix-header.c (main): When testing for CONTINUED, use string
        equality, not pointer equality.

Mon Aug  2 01:27:24 1999  Dan Nicolaescu  <dann@ics.uci.edu>

        * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.

Sun Aug  1 22:46:42 1999  Jeffrey A Law  (law@cygnus.com)

        * cse.c (cse_insn): Fix loop which deletes insns after a jump
        that has become an unconditional jump.

        * m68k.c (output_function_prologue): Fix typo in CPU32 case.
        (output_function_epilogue): Similarly.

Sun Aug  1 20:14:00 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * tree.h (init_dummy_function_start): Declare.

Sun Aug  1 12:55:31 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
        last_expr_type, last_expr_value, block_start_count, block_stack,
        stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
        nesting_depth, goto_fixup_chain): Delete global vars; now allocated
        dynamically in stmt elt of struct function for each function.
        (struct nesting): Rename function_call_count elt to n_function_calls,
        target_temp_slot_level to block_target_temp_slot_level.  All users
        changed.
        (struct stmt_status): New structure definition.
        Add many accessor macros for stmt_status elements which previously
        were global variables.
        (init_stmt_for_function): Allocate stmt elt for current_function.
        Reflect that block_start_count was renamed to
        current_block_start_count.
        (save_stmt_status, restore_stmt_status): Delete functions.
        (preserve_subexpressions_p): Don't access loop_stack when outside
        a function.
        (expand_start_bindings): Reflect that block_start_count was renamed to
        current_block_start_count.
        (expand_fixup): Likewise.
        (expand_decl): Don't access block_stack when outside a function.
        (expand_decl_cleanup): Likewise.
        (expand_dcc_cleanup): Likewise.
        (expand_dhc_cleanup): Likewise.
        (expand_anon_union_decl): Likewise.
        (set_file_and_line_for_stmt): New function.
        (in_control_zone_p): New function.

        * function.h (struct function): Add new elt stmt.
        Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
        case_stack, nesting_stack, nesting_depth, block_start_count,
        last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
        emit_lineno, goto_fixup_chain.
        (save_eh_status, restore_eh_status, save_stmt_status,
        restore_stmt_status): Delete declarations.
        * function.c (push_function_context_to): Don't call save_stmt_status.
        (pop_function_context_to): Don't call restore_stmt_status.
        * tree.h (in_control_zone_p): Declare.
        * rtl.h (set_file_and_line_for_stmt): Declare.

        * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
        call set_file_and_line_for_stmt.

Thu Jul 31 12:34:45 1999  Joe Buck  <jbuck@synopsys.com>

        * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
        Also update copyright.

Sat Jul 31 11:10:07 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * c-pragma.c: Don't include "except.h".
        * emit-rtl.c: Likewise.
        * stor-layout.c: Likewise.
        * tree.c: Likewise.
        * varasm.c: Likewise.

        * flow.c: Include "function.h".
        * tree.h (init_dummy_function_start): Declare new function.
        
        * except.h (struct eh_status): New structure.
        (struct label_node, struct eh_entry): Declare even if tree.h hasn't
        been included.
        (eh_return_stub_label, ehstack, catchstack, ehqueue,
        catch_clauses, false_label_stack, caught_return_label_stack,
        protect_list, current_function_ehc): Add accessor macros for the
        corresponding fields in current_function->eh; delete declarations
        for all items that used to be declared here.
        * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
        catch_clauses, false_label_stack, caught_return_label_stack,
        protect_list, current_function_ehc): Delete variables.
        (init_eh_for_function): Allocate current_function->eh.
        (save_eh_status, restore_eh_status): Delete functions.

        * function.h (struct function): Add fields next_global and eh.
        Delete all exception handling related fields.
        * function.c (current_function): New variable.
        (all_functions): New variable.
        (push_function_context_to): Don't allocate a struct function,
        use current_function instead.  Call init_dummy_function_start when
        outside a function.  Clear current_function before returning.
        (pop_function_context_from): Restore current_function.
        Don't free the restored struct function.        
        (prepare_function_start): New function.
        (init_dummy_function_start): New function.
        (init_function_start): Break out some code into prepare_function_start
        and call it here.

        * stmt.c (save_stmt_status): Don't call save_eh_status.
        (restore_stmt_status): Don't call restore_eh_status.

        * Makefile.in: Update dependencies.

Sat Jul 31 04:10:01 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
        of depending on a magic constant value.  Update comments.
        (hppa_expand_prologue): Similarly.

        * pa.md (reload_indi, reload_outdi): Allow any register for the
        original reload register.

Fri Jul 30 19:41:35 1999  Jim Wilson  <wilson@cygnus.com>

        * cccp.c (print_help): Change marcos to macros.

1999-07-30  Richard Henderson  <rth@cygnus.com>

        * c-typeck.c (initializer_constant_valid_p): Move ...
        * c-common.c (initializer_constant_valid_p): ... here.  Use 
        FOO_TYPE_P instead of tests against TREE_CODE.  Allow subtraction
        of label addresses.
        * c-common.h (initializer_constant_valid_p): Declare.
        * c-tree.h (initializer_constant_valid_p): Remove.

Fri Jul 30 16:33:42 1999  Mathias Froehlich  <frohlich@na.uni-tuebingen.de>

        * config/i386/sol2-c1.asm: Align the stack.
        * config/i386/sol2-gc1.asm: Likewise.

1999-07-30  Vladimir Makarov  <vmakarov@loony.cygnus.com>

        * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
        -Asparclite for sparc86x.
        (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
        sparc86x.
        (ASM_CPU_SPEC): Use -Asparclite for sparc86x.

Fri Jul 30 14:53:56 1999  Jakub Jelinek  <jj@ultra.linux.cz>

        * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
        the user if using the non-default arch size in BI_ARCH configuration.
        * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.

        * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
        Fix patterns so that they actually match.
        (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
        (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
        (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
        TARGET_HARD_MUL32.
        (mulsidi3): Reflect this in the expand.
        (smulsi3_highpart): Only on TARGET_ARCH32.
        (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
        (const_umulsidi3_sp32): Renamed from const_umulsidi3.
        (umulsidi3): Reflect this in the expand.
        (umulsi3_highpart): Only on TARGET_ARCH32.
        (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
        don't require g0 to be zero.
        (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
        ({,u}divsi3): New expands.
        ({,u}divsi3_sp64): New patterns.
        (after lshrdi3_v8plus): Four new patterns to help combiner
        optimizing nested mixed mode shifts.

        * config/sparc/sparc.c (sparc_override_options): Use deprecated
        v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
        speed things up. Don't use them by default on plain v9 in 64bit
        mode, according to what SPAMv9 sais.

        * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
        top 32 bits of %[og][0-7] in signal handlers.
        Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.

Fri Jul 30 03:00:41 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (zvdep_imm32): Renamed from zvdep_imm.
        (ashlsi3): Corresponding changes.

        * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.

Thu Jul 29 18:37:13 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.

Thu Jul 29 19:01:58 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * arm.h (Hint): Delete macro.
        Substitute HOST_WIDE_INT for Hint in some prototypes.
        * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.

Thu Jul 29 09:21:42 1999  Nick Clifton  <nickc@cygnus.com>

        * builtins.c (expand_builtin_setjmp): Use force_operand to
        make sure that the buffer address is in a suitable form to be
        passed to force_reg.

Wed Jul 28 12:50:48 1999  Geoff Keating  <geoffk@cygnus.com>

        * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
        them here.

Wed Jul 28 13:18:35 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (indirect_jump): Remove mode from match_operand.  Verify
        proper mode in the condition string.
        (icacheflush, dcacheflush): Remove modes from match_operands.

        * pa.c (emit_move_sequence): Always convert scratch_reg to the
        proper mode before using it.

        * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
        pair.

        * pa.c (store_reg): Do not call add_high_const generator directly.
        (load_reg, set_reg_plus_d): Likewise.
        * pa.md (add_high_const): No longer a named pattern.

        * pa.c (legitimize_address): Consistently use Pmode rather than
        SImode.  Do not call gen_pic2_highpart directly anymore.
        * pa.md (pic2_highpart): No longer a named pattern.
        (pic2_lo_sum): Similarly.  Reformat to make more readable.

        * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
        needed.

        * README: Update.

Wed Jul 28 11:28:04 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.

Wed Jul 28 11:23:48 1999  Richard Henderson  <rth@cygnus.com>

        * pa.c (hppa_builtin_saveregs):  Use get_varargs_alias_set
        and tag the spill mems.
        (hppa_va_start): New.
        (hppa_va_arg): New.
        * pa.h (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.

Wed Jul 28 11:22:21 1999  Richard Henderson  <rth@cygnus.com>

        * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
        and tag the spill mems.
        (mn10300_va_start): New.
        (mn10300_va_arg): New.
        * mn10300.h (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.

Wed Jul 28 11:20:19 1999  Richard Henderson  <rth@cygnus.com>

        * mn10200.c (mn10200_va_arg): New.
        * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.

Wed Jul 28 11:19:06 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
        rather than play with TREE_INT_CST_LOW.

1999-07-27  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/telf.h: Include dbxelf.h.
        (CPP_PREDEFINES): Only define if not already defined.
        (ASM_IDENTIFY_GCC): Likewise.
        (SUBTARGET_EXTRA_SECTIONS): Likewise.
        (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
        * config/arm/thumb.h (LINK_SPEC): Only define if not already
        defined.
        (DBX_DEBUGGING_INFO): Don't define.
        * config/arm/linux-telf.h: New file.
        * config/arm/linux-tgas.h: New file.
        * config/arm/t-thumb-linux: New file.
        * config/arm/uclinux-elf.h: New file.
        * config/arm/uclinux-telf.h: New file.
        * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
        thumb-*-uclinux): New targets.
        * configure: Regenerate.

Tue Jul 27 23:20:21 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.md (post_store, pre_load): New expanders.
        (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
        (post_ldwm, pre_stwm): Make these unnamed patterns since we never
        need to directly generate RTL for them.
        * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
        changes.

Tue Jul 27 16:05:52 1999  David Edelsohn  <edelsohn@gnu.org>

        * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
        * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
        (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
        (secndary_reload_class): Make TARGET_ELF conditional compile.
        (print_operand_address): Similar.
        (output_toc): Print all values as hex.
        (get_issue_rate): Rearrange and add RS64A and PPC630.
        * rs6000.h (processor_type): Add RS64A and PPC630.
        (PROCESSOR_POWERPC64): New.
        (PROMOTE_MODE): Use word_mode.
        (RTX_COSTS): Add RS64A and PPC630.
        * rs6000.md (scheduling information): Add lmul and ldiv
        representing 64-bit integer multiply and divide.  Add rs64a and
        PPC630 information.
        (ashldi3): Add support for "rldic" instruction.
        * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
        
Tue Jul 27 15:31:53 1999  Vladimir Makarov  <vmakarov@toad.to.cygnus.com>

        * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
        instead of V8 for sparclite86x in cpu_table.

Tue Jul 27 17:49:42 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
        output_file_directive.

Tue Jul 27 03:15:33 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the 
        tree for op1, not the rtl.

Tue Jul 27 00:18:34 1999  Richard Henderson  <rth@cygnus.com>

        * m88k.c (m88k_builtin_saveregs): Break out the constructor code
        to m88k_va_start, leaving only the register spill.
        (m88k_build_va_list): New.
        (m88k_va_start): New.
        (m88k_va_arg): New.
        * m88k.h (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.

Mon Jul 26 19:07:11 1999  Geoff Keating  <geoffk@cygnus.com>

        * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
        Rename from expand_builtin_saveregs.
        * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.

Mon Jul 26 22:52:47 1999  Richard Henderson  <rth@cygnus.com>

        * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
        for the register spill block.
        (i960_build_va_list): New.
        (i960_va_start): New.
        (i960_va_arg): New.
        * i960.h (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * i960.md (store_multiple): Use change_address on individul mems.

Mon Jul 26 22:43:12 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
        an ARRAY_TYPE.
        (std_expand_builtin_va_start): Back out one word if !stdarg_p.
        (expand_builtin_va_end): Evaluate arg for side effects.
        * c-common.c (c_common_nodes_and_builtins): Construct a
        va_list_arg_type_node to handle array decomposition to pointer.

Mon Jul 26 18:51:34 1999  Richard Henderson  <rth@cygnus.com>

        * except.c (start_dynamic_cleanup): Use force_operand on the
        buffer's address.

Mon Jul 26 16:43:26 1999  Richard Henderson  <rth@cygnus.com>

        * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
        * c4x.c (c4x_va_arg): New.

Mon Jul 26 12:30:09 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
        has manual_pop set.

1999-07-26  Nathan Sidwell  <nathan@acm.org>

        * eh-common.h (__eh_matcher): Prototype correctly.

Mon Jul 26 17:24:51 1999  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
        (TARGET_SINGLE_PIC_BASE): Likewise.
        (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
        definitions.
        (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
        (TARGET_SWITCHES): Add -m{no-}single-pic-base.
        (TARGET_OPTIONS): Add -mpic-register=N.
        (OUTPUT_INT_ADDR_CONST): New macro.
        (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
        LEGITIMATE_PIC_OPERAND_P): Likewise.
        (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
        (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
        output_addr_const directly.
        (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with 
        ARM port.
        (thumb_pic_register, thumb_pic_register_string): Declare.
        
        * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
        from arm.c.
        (label_mentioned_p): New function: Imported from arm.c.
        (legitimize_pic_address): New function: Imported from arm.c.
        (is_pic):New function: Imported from arm.c.
        (thumb_finalize_pic):New function: Imported from arm.c.
        (add_constant): Cope with PIC constants.
        (fixit): Cope with PIC constants.
        (output_return): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_function_prologue): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_expand_prologue): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_unexpand_epilogue): Do not treat the PIC register as live if
        TARGET_SINGLE_PIC_BASE is true.
        (thumb_print_operand): Accept '|'.
        (thumb_override_options): Process PIC options.
        
        * config/arm/thumb.md (movsi): Support PIC.
        (call_insn): Change "i" constraint to "X".
        (call_value_insn): Likewise.
        (consttable_4, consttable_8, consttable_end): Set and clear
        "making_const_table" as appropriate.
        (pic_load_addr, pic_add_dot_plus_four): New insns.
        
        * invoke.texi (Thumb Options): Fix spelling.  Document new 
        options -msingle-pic-base and -mpic-register=.
        
1999-07-26  Andrew Haley  <aph@cygnus.com>

        * config/m32r/initfini.c (__init): Use a full word immediate for
        __fini: this allows it to be placed in any memory region.

        * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
        -mmodel=medium.  This is OK for all memory models.

Mon Jul 26 11:58:46 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
        * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.

Mon Jul 26 10:23:36 1999  Nick Clifton  <nickc@cygnus.com>

        * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
        defined.

        * tm.texi: Document ASM_FPRINTF_EXTENSIONS.

Sun Jul 25 23:51:59 1999  Richard Henderson  <rth@cygnus.com>

        * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
        (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * i860.c (output_delayed_branch): Disable.
        (output_delay_insn): Likewise.
        (i860_saveregs): New.
        (i860_build_va_list): New.
        (i860_va_start): New.
        (i860_va_arg): New.
        * i860.md: Disable all peepholes using output_delayed_branch.
        * i860/sysv4.h (I860_SVR4_VA_LIST): New.

Sun Jul 25 23:44:13 1999  Richard Henderson  <rth@cygnus.com>

        * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
        (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * clipper.c (clipper_builtin_saveregs): Only dump registers.
        Return the address of the save area.
        (clipper_build_va_list): New.
        (clipper_va_start): New.
        (clipper_va_arg): New.

Sun Jul 25 22:56:47 1999  Richard Henderson  <rth@cygnus.com>

        * arc.h (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * arc.c (arc_setup_incoming_varargs): Set alias set of 
        varargs save area.
        (arc_va_start): New.
        (arc_va_arg): New.

Sun Jul 25 22:45:55 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
        (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START): New.
        (EXPAND_BUILTIN_VA_ARG): New.
        * alpha.c (alpha_builtin_saveregs): Delete.
        (alpha_build_va_list): New.
        (alpha_va_start): New.
        (alpha_va_arg): New.

Sun Jul 25 21:40:33 1999  Jeffrey A Law  (law@cygnus.com)

        * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
        column zero.
        (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
        (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.

        * gcc.texi: More changes related to list conversion.
        * invoke.texi: Likewise.

Sun Jul 25 18:15:39 1999  Richard Henderson  <rth@cygnus.com>

        * builtins.c (expand_builtin_saveregs): Remove static, remove exp
        and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
        (expand_builtin_next_arg): Accept ARGLIST not EXP.
        (stabilize_va_list): New function.
        (std_expand_builtin_va_start): New function.
        (expand_builtin_va_start): New function.
        (get_varargs_alias_set): New function.
        (std_expand_builtin_va_arg): New function.
        (expand_builtin_va_arg): New function.
        (expand_builtin_va_end): New function.
        (expand_builtin_va_copy): New function.
        (expand_builtin): Call them.
        * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
        __builtin_{varargs_start,stdarg_start,end,copy}.
        (build_va_arg): New function.
        * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
        (build_va_arg): Declare.
        * c-decl.c (ptr_type_node, va_list_type_node): New.
        * c-parse.gperf (__builtin_va_arg): New.
        * c-parse.in (VA_ARG): New token.
        (unary_expr): Recognize it.
        * expr.c (expand_expr): Expand VA_ARG_EXPR.
        * expr.h (std_expand_builtin_va_start): Declare.
        (std_expand_builtin_va_arg): Declare.
        (expand_builtin_va_arg): Declare.
        (get_varargs_alias_set): Declare.
        * tree.def (VA_ARG_EXPR): New.
        * tree.h (BUILT_IN_VARARGS_START): New.
        (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
        (ptr_type_node, va_list_type_node): Declare.
        * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
        * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
        * m88k.h, m88k.c: Likewise.
        * mn10300.h, mn10300.c: Likewise.
        * pa.h, pa.c: Likewise.
        * rs6000.h, rs6000.c: Likewise.
        * sh.h, sh.c: Likewise.
        * sparc.h, sparc.c: Likewise.

        * emit-rtl.c (operand_subword): Copy alias set.
        (change_address): Likewise.

Sun Jul 25 15:04:37 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (compute_frame_size): Scan all the used callee saved registers,
        not just the first one.

Fri Jul 23 14:09:58 1999  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/arm.h (TARGET_SWITCHES): Add 
        -m{no-}single-pic-base.  Correct help string for -mshort-load-words.
        (TARGET_OPTIONS): Add -mpic-register=.
        (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
        (arm_pic_register_string): Declare.
        (NEED_PLT_GOT): Delete, replace with ...
        (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these.  New macros.
        (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
        (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
        * config/arm/arm.c (arm_override_options): Add new option
        -mpic-register=N.
        (arm_pic_register_string): New variable.
        (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
        (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
        register as never live.  Use NEED_PLT_RELOC not NEED_PLT_GOT.
        (output_return_instruction): Likewise. 
        * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
        (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these.  Define to flag_pic.
        * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.

        * invoke.texi (ARM Options): Fix spelling.  Remove duplicate
        mention of -msched-prolog.  Document new options -msingle-pic-base 
        and -mpic-register=.

Thu Jul 22 18:23:56 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (reemit_notes): Tidy.
        * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
        haifa's routine.

Thu Jul 22 18:21:04 1999  Richard Henderson  <rth@cygnus.com>

        * explow.c (trunc_int_for_mode): New function.
        (plus_constant_wide): Use it.
        * combine.c (simplify_and_const_int): Likewise.
        (merge_outer_ops): Likewise.
        (simplify_shift_const): Likewise.
        * cse.c (simplify_unary_operation): Likewise.
        (simplify_binary_operation): Likewise.
        * emit-rtl.c (operand_subword): Likewise.
        * rtl.h: Declare it.

Thu Jul 22 14:34:59 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
        (use NUM_REGS instead of NUM_INTS).

Thu Jul 22 11:25:20 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * builtins.c: New file.
        * expr.c (saveregs_value, apply_args_value):  Delete definition,
        moved into builtins.c.
        (string_constant): No longer static.
        (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
        apply_args_size, apply_result_size, result_vector,
        expand_builtin_apply_args, expand_builtin_apply,
        expand_builtin_return): Delete functions, moved into builtins.c.
        (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
        * expr.h (saveregs_value, apply_args_value): Declare variables.
        (expand_builtin, string_constant): Declare functions.
        * Makefile.in: Update to build builtin.o.

Wed Jul 21 00:46:58 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
        * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
        * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
        start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
        false.
        * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): 
        Define to zero.
        
1999-07-21  Michael Meissner  <meissner@cygnus.com>

        * print-rtl.c (print_rtx): Print the names of the virtual
        registers.

Wed Jul 21 16:00:32 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
        introduced in previous delta.

Wed Jul 21 14:30:51 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
        to avoid name clash.

Wed Jul 21 08:39:22 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * c-lex.c (yylex) : Correct the test for overflow when lexing
        integer literals.

Tue Jul 20 18:02:42 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
        (adjust_priority): Always call ADJUST_PRIORITY.
        (schedule_insn): Only put insns into the ready at cost 0.
        (schedule_block): Remove redundant initial sort.  Give clock_var
        and can_issue_more to MD_SCHED_REORDER.  Requeue if hazard cost
        is not 0.
        * tm.texi (MD_SCHED_REORDER): Update docs.

        * sparc.h (MD_SCHED_REORDER): Update.  Set CAN_ISSUE_MORE.
        * sparc.c (ultra_reorder_called_this_block): Delete.
        (ultrasparc_sched_init): Don't set it.
        (ultrasparc_sched_reorder): Don't check it.
        
Tue Jul 20 17:07:54 1999  Richard Henderson  <rth@cygnus.com>

        * rs6000.h (struct rs6000_args): Add sysv_gregno.
        * rs6000.c (init_cumulative_args): Init sysv_gregno.
        (function_arg_boundary): Align DFmode.
        (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
        to get fp reg and stack overflow correct.
        (function_arg): Likewise.
        (function_arg_pass_by_reference): True for TFmode for ABI_V4.
        (setup_incoming_varargs): Restructure for ABI_V4; use 
        function_arg_advance to skip final named argument.
        (expand_builtin_saveregs): Properly unskip the last integer arg
        when doing varargs.  Adjust overflow location calculation.

        * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr 
        explicitly unsigned.
        (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
        (__VA_GP_REGSAVE): Similarly.
        (__va_longlong_p): Delete.
        (__va_arg_type_violation): New declaration.
        (va_arg): Restructure.  Flag promotion errors.  Align double. 
        TFmode passed by reference.

        * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
        in the HOST_BITS_PER_WIDE_INT > 32 case.

Tue Jul 20 12:37:30 1999  Hans-Peter Nilsson  <hp@bitrange.com>

        * dwarf2out.c (output_abbrev_section): Terminate with a zero.

Tue Jul 20 12:12:27 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
        * toplev.c (documented_lang_options): Add -fpreprocessed.
        * cpplib.h (struct cpp_buffer): Add preprocessed.
        * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
        (cpp_start_read): Don't expand macros or emit an initial #line
        directive if -fpreprocessed.

Tue Jul 20 12:12:09 1999  Michael Tiemann  <tiemann@holodeck.cygnus.com>

        * cpplib.h (struct cpp_buffer): Added manual_pop for
        better C++ tokenization.
        * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
        Also, support C++ tokenization for ->*, .*, <?, and >? operators.
        * c-common.c (cpp_token): Make non-static.

Tue Jul 20 11:24:19 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * c-common.h: New file.
        * c-common.c (permanent_obstack): Delete unused declaration.
        (c_global_trees): New array.
        (c_common_nodes_and_builtins): New function; split off common code
        from init_decl_processing in both c-decl.c and cp/decl.c.
        * c-tree.h: Delete lots of declarations of tree nodes; replaced by
        c_global_trees and accessor macros defined in c-common.h.
        Include c-common.h.
        * c-decl.c: Delete definitions for tree nodes that were replaced by
        c_global_trees.
        (init_decl_processing): Build void_list_node.
        Call c_common_nodes_and_builtins; delete code to generate the common
        builtins here.
        * objc/objc-act.c (build_module_descriptor): Rename variable
        void_list_node to avoid clash with c-common.h.

        * Makefile.in: Update dependencies.
        * objc/Make-lang.in: Likewise.

Mon Jul 19 14:22:18 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
        (UNIQUE_SECTION_P): Likewise.
        (UNIQUE_SECTION): Likewise.

1999-07-19  Linas Vepstas  <linas@linas.org>

        * config/i370/README: New file.
        * config/i370/linux.h: New file.
        * config/i370/mvs.h: New file.
        * config/i370/oe.h: New file.
        * config/i370/t-linux: New file.
        * config/i370/t-mvs: New file.
        * config/i370/t-oe: New file.
        * config/i370/x-oe: New file.
        * config/i370/xm-linux.h: New file.
        * config/i370/xm-mvs.h: New file.
        * config/i370/xm-oe.h: New file.

        * i370.c (label_node_t): Add first_ref_page, label_addr, 
        label_first_ref, label_last_ref members.
        (mvs_need_base_reload): Renamed from mvs_label_emitted.
        (MAX_MVS_LABEL_SIZE): Define.
        (MAX_LONG_LABEL_SIZE): Define.
        (alias_node_t, alias_anchor, alias_number): New.
        (mvs_function_table): Reorder for EBCDIC.
        (ascebc, ebcasc): Unconditionally define.
        (i370_branch_dest, i370_branch_length): New functions.
        (i370_short_branch, i370_label_scan): New functions.
        (mvs_get_label): Renamed from mvs_add_label.  Search for
        an existing label before creating a new one.
        (mvs_add_label): New function.
        (mvs_get_label_page): New function.
        (mvs_free_label_list): Renamed from mvs_free_label.  Iterate
        over the entire list.
        (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
        (mvs_check_page) [TARGET_ELF_ABI]: New function.
        (mvs_add_alias, mvs_need_alias): New functions.
        (mvs_get_alias, mvs_check_alias): New functions.
        (handle_pragma): New function.
        (mvs_function_check): New function.
        (unsigned_jump_follows_p): Search harder.
        (i370_function_prolog) [TARGET_HLASM]: Handle LE370.  Scan labels.
        (i370_function_prolog) [TARGET_ELF_ABI]: New function.
        * i370.h (TARGET_VERSION): Delete.
        (CPP_SPEC, CPP_PREDEFINES): Delete.
        (mvs_label_emitted): Delete.
        (TARGET_EBCDIC): Delete.
        (MAP_CHARACTER): Define only if TARGET_EBCDIC.
        (HANDLE_PRAGMA): Define.
        (HARD_REGNO_NREGS): Handle complex modes.
        (HARD_REGNO_MODE_OK): Likewise.
        (CLASS_MAX_NREGS): Likewise.
        (RET_REG): Likewise.
        (EXTRA_CONSTRAINT): Define.
        (RETURN_IN_MEMORY): True for DImode.
        (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
        (FUNCTION_PROFILER): Delete.
        (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
        (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
        (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
        (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
        (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
        (ASM_FILE_START): Add "RMODE ANY".
        (ASM_OUTPUT_EXTERNAL): Check for aliases.
        (ASM_GLOBALIZE_LABEL): Likewise.
        (ASM_OUTPUT_LABELREF): Likewise.
        (ASM_OUTPUT_COMMON): Likewise.
        (PRINT_OPERAND): Handle 'K', 'W', default.
        (PRINT_OPERAND_ADDRESS): New.
        (Lots of defines): Add support for TARGET_ELF_ABI.
        * i370.md (attr length): New.  Define for all patterns.
        (*): Lots of tweeks to assembly output and constraints.

Mon Jul 19 15:09:29 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
        Disable patterns performing SImode comparisons with SImode values
        if TARGET_POWERPC64 and instruction does not sign-extend or does
        not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
        differ for signed quantities.
        (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
        (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
        (decrement_and_branch_on_count): Add 64-bit variant.

Mon Jul 19 09:36:27 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * final.c (output_asm_insn): When searching for the matching string
        for a given dialect, don't run past the end of the list of
        alternatives if there are fewer alternatives in the template than
        dialects.

1999-07-17  Alexandre Oliva  <oliva@dcc.unicamp.br>
        
        * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
        Removed paragraph about compression of files and size limitation,
        duplicated in the FAQ.  Use gcc-patches for posting patches.
        * gcc.c (main): Updated URL with bug reporting instructions to
        gcc.gnu.org.  Removed e-mail address.
        * system.h (abort): Likewise.

1999-07-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (stmp-multilib-sub): Make the files extracted
        from $(LIBGCC1) writable.

Sat Jul 17 14:25:46 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/aout.h: Reformat for improved readability.
        
        * config/arm/arm.h: Reformat for improved readability.
        Replace uses of fprintf with asm_fprintf where appropriate.
        (ARM_DECLARE_FUNCTION_NAME): New macro:  Perform any generic ARM
        function declaration assembler actions.
        (NUM_INTS): New macro: Convert from bytes to words.
        (NUM_REGS): New macro: Compute number of registers required to
        hold a quanitity of tyep MODE.
        (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
        types.
        (NUM_ARG_REGS): New macro: The number of argument registers
        available.
        (ARG_REGISTER): New macro: Compute the register number of the Nth
        argument register.
        (LAST_ARG_REGNUM): New macro: The number of the last argument
        register.
        (SP_REGNUM): New macro: Register number of the stack pointer.
        (FP_REGNUM): New macro: Register number of the frame pointer.
        (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
        FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
        CUMULATIVE_ARGS so that it counts registers not bytes.
        
        * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
        TARGET_INTERWORK.
        Replace uses of fprintf with asm_fprintf where appropriate.
        (output_ascii_pseudo_op): Replace with version from thumb.c

        * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.

        * config/arm/elf.h (CPP_PREDEFINES): Replace with
        SUBTARGET_CPP_SPEC.
        (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
        (ASM_FILE_START): Emit ASM_APP_OFF.
        
Fri Jul 16 13:48:09 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c (compute_frame_size): Round frame according to 
        STACK_BOUNDARY rather than a hardwired value.

        * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
        
        * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
        of "1".
        * configure: Rebuilt.

        * configure.in (hppa*-*-linux*): New configuration.
        * configure: Rebuilt.
        * pa.h (MAX_OFILE_ALIGNMENT): Delete.
        * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
        * pa/pa-linux.h: New file.
        * pa/t-linux: New file.
        * pa/xm-linux.h: New file.

        * pa.c (hppa_legitimize_address): Change references from SImode to
        either Pmode or word_mode as appropriate.
        (emit_move_sequence, store_reg, load_reg): Likewise.
        (set_reg_plus_d, hppa_expand_prologue): Likewise.
        (output_mul_insn): Likewise.
        * pa.h (PROMOTE_MODE): Likewise.
        (INITIALZE_TRAMPOLINE): Likewise.
        (Pmode): Define to word_mode.

        * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
        value of 4.  Allocate 8 bytes for each FP register save.
        (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
        value of 4.
        (hppa_expand_prologue): Likewise.
        * pa.h (PROMOTE_MODE): Likewise.
        (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
        (FUNCTION_ARG_BOUNDARY): Likewise.

        * invoke.texi (HPPA Options): Remove -mspace/-mno-space.

        * pa.c (out_of_line_prologue_epilogue): Delete.
        (override_options): Remove -mspace related code.
        (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
        (compute_frame_size): Only allocate space for register that
        actually need to be saved.
        * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
        (TARGET_SWITCHES): Remove -mspace, -mno-space
        * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
        * pa/t-pro (LIB2FUNCS_EXTRA): Likewise.  Remove -mspace multilib.
        * pa/ee.asm, pa/ee_fp.asm: Delete.

        * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.

        * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
        directive in column zero.

Fri Jul 16 01:39:57 1999  Jeffrey A Law  (law@cygnus.com)

        * m68k.c (output_function_prologue): Fix computation of save mask
        when generating PIC code.

Thu Jul 15 15:40:09 1999  Jim Wilson  <wilson@cygnus.com>

        * tree.c (build_type_attribute_variant): Move current_obstack restore
        after build_qualified_type call.

1999-07-15  Mark Mitchell  <mark@codesourcery.com>

        * configure.in: Use t-iris6, even with GNU LD.
        * config/mips/iris6gld.h: Fix typo in linker spec.
        * config/mips/t-iris6gld: Remove.

Thu Jul 15 15:15:43 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (insv, extzv): Remove SImode dependence in named
        patterns.  Explicitly generate DImode RTL if PowerPC64 and
        operand is DImode.
        (insvdi): Reverse start and size in instruction template.

1999-07-12  Joseph S. Myers  <jsm28@cam.ac.uk>

        * invoke.texi: Typo fixes.

Wed Jul 14 23:28:06 1999  Jeffrey A Law  (law@cygnus.com)

        * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
        handle at this time instead of silently generating incorrect code.
        (gen_imagpart): Likewise.

        * reload.c (find_reloads): Emit a USE for a pseudo register without
        a hard register if we could not create an optional reload for the
        pseudo.

Wed Jul 14 23:45:48 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * c-typeck.c (output_init_element, process_init_element):
        When advancing constructor_unfilled_fields for a RECORD_TYPE,
        check for nameless bit fields.

Wed Jul 14 01:57:39 1999  Richard Henderson  <rth@cygnus.com>

        * regclass.c (scan_one_insn): Notice subregs that change the
        size of their operand.
        (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.

Wed Jul 14 01:41:42 1999  Jeffrey A Law  (law@cygnus.com)

        * configure.in (alpha*-*-*): Include alpha/t-ieee.
        * configure: Rebuilt.
        * alpha/t-ieee: New file.

Tue Jul 13 10:45:58 1999  Jeffrey A Law  (law@cygnus.com)

        * rs6000.c (find_addr_reg): Do not select r0 as an address
        register.

Tue Jul 13 00:46:18 1999  Philippe De Muyter  <phdm@macqel.be>

        * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.

Mon Jul 12 14:29:15 1999  Jeffrey A Law  (law@cygnus.com)

        * rs6000.md (movsf): Do not force easy FP constants into memory.

        * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
        immed_double_const to ensure they are properly truncated then
        sign extended.

Mon Jul 12 10:40:01 1999  Vladimir Makarov  <vmakarov@tofu.to.cygnus.com>

        * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
        always unless NO_DEBUG is used.  Compile this code
        unconditionally.
        (replace_symbols_in_block): Compile it unconditionally.
        
Sun Jul 11 12:32:32 1999  Jeffrey A Law  (law@cygnus.com)

        * configure.in (i?86-*-elf*): New target.
        * configure: Rebuilt.
        * i386/i386elf.h, i386/t-i386elf: New files.

Fri Jul  9 22:39:44 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * toplev.c (main): Don't complain about saying -gdwarf.
        (rest_of_compilation): Remove redundant code.

Fri Jul  9 19:08:55 1999  Jim Wilson  <wilson@cygnus.com>

        * unroll.c (unroll_loops): Don't delete named CODE_LABELs.

Fri Jul  9 18:54:18 1999  Felix Lee  <flee@cygnus.com>

        * config/i960/i960.c (ret_label): Change asm label from "LR:" to
        "Li960R:", to avoid name clash.

Fri Jul  9 10:48:28 1999  Bernd Schmidt  <bernds@cygnus.co.uk>

        * loop.c (check_dbra_loop): When reversing a loop, delete all
        REG_EQUAL notes referencing the reversed biv except those which are
        for a giv based on it.

Fri Jul  9 03:51:52 1999  Jeffrey A Law  (law@cygnus.com)

        * version.c: Drop "gcc-" prefix from version #.

Thu Jul  8 18:06:30 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * dwarf2out.c (dwarf2out_line): Emit a line number comment after
        the label if we're being verbose.

Thu Jul  8 14:18:46 1999  Richard Henderson  <rth@cygnus.com>

        * m68k.c (output_function_prologue): Add pic register to mask
        if live and flag_pic.
        (output_function_epilogue): Likewise.

Thu Jul  8 12:55:12 1999  Jeffrey A Law  (law@cygnus.com)

        * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
        directives in column zero.

        * pa/elf.h (ASM_FILE_START): Define.
        * pa/som.h (ASM_FILE_START): Include .level directives.
        * pa/hpux10.h (ASM_FILE_START): Delete.
        * pa/hpux11.h (ASM_FILE_START): Delete.

        * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.

Thu Jul  8 18:03:19 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * reload1.c (choose_reload_regs): Never call remove_adress_replacements
        when reload_out equals reload_in.

Thu Jul  8 16:50:14 1999  Nick Clifton  <nickc@cygnus.com>

        * invoke.texi (Spec Files): New node: Describe the contents of
        spec files.

Thu Jul  8 10:28:25 1999  Craig Burley  <craig@jcb-sc.com>

        * invoke.texi (DEC Alpha Options): Put @end table at
        beginning of line, to avoid confusing texi2html.

Thu Jul  8 09:22:06 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
        introduced in previous delta.

Wed Jul  7 02:00:04 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * reload1.c (gen_reload): When synthesizing a 3 operand add
        sequence, improve test for when to reload OP1 into the reload
        register instead of OP0.

Wed Jul  7 01:38:03 1999  Jim Wilson  <wilson@cygnus.com>

        * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.

1999-07-07  Manfred Hollstein  <mhollstein@cygnus.com>

        * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
        string literal.

Wed Jul  7 01:16:43 1999  Richard Henderson  <rth@cygnus.com>

        * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
        (va_dcl): Use __builtin_va_alist_t.

Wed Jul  7 01:14:42 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
        on the permanent_obstack.
        * dwarfout.c (output_type): Likewise.

Tue Jul  6 15:25:32 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
        Merged from c-typeck.c and cp/typeck.c.
        * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
        Merged into c-common.

Tue Jul  6 13:06:01 1999  Dave Brolley  <brolley@cygnus.com>

        * c-lex.c (errorcount): Declare it.
        (finish_parse): Update errorcount when using CPPLIB.

1999-07-06  Bruce Korb  <ddsinc09@ix.netcom.com>

        * fixinc/inclhack.def(end_else_label): Double the backslash so
        sed gets a chance to see it.
        * fixinc/inclhack.sh: regen
        * fixinc/fixincl.x: regen

Fri Jul  2 18:49:51 1999  Nick Clifton  <nickc@cygnus.com>

        Add framework to support armv5 architecture when it becomes
        available: 
        
        * config/arm/arm.c (FL_ARCH5): New processor capability flag.
        (arm_arch5): New variable.
        (all_architectures): Add armv5 line.
        * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
        -march=armv5 is specified on the command line.
        (arm_arch5): Export this variable.
        * invoke.texi: Document new string accepted by -march= switch for
        ARM ports.

        * config/arm/arm.h: Replace use of constant 12 as a register
        number with IP_REGNUM.  Similarly 14 and LR_REGNUM.
        * config/arm/arm.c: Replace use of constant 12 as a register
        number with IP_REGNUM.  Similarly 14 and LR_REGNUM.

        * config/arm/elf.h: Tidy up.
        * config/arm/coff.h: Tidy up.
        
Thu Jul  1 19:08:13 1999  Mark P. Mitchell  <mark@codesourcery.com>

        * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
        * gcc/config/mips/t-iris6gld: New file.
        * gcc/config/mips/iris6gld.h: Likewise.

Fri Jul  2 13:23:39 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * c-decl.c (widest_integer_literal_type_node,
        widest_unsigned_literal_type) : New.
        (init_decl_processing): Handle/use the two new types.
        * c-common.c (type_for_size,type_for_mode) : Same.
        * c-lex.c (yylex) : Same.
        * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
        Same.
        * c-tree.h (widest_integer_literal_type_node,
        widest_unsigned_literal_type) : New.

Fri Jul  2 03:05:44 1999  Jeffrey A Law  (law@cygnus.com)

        * dwarfout.c (field_byte_offset): Correctly compute the object's
        byte offset for the first bit of a field which crosses an alignment
        boundary on a !BYTES_BIG_ENDIAN target.

Fri Jul  2 01:36:36 1999  Robert Lipe  <robertlipe@usa.net>

        * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
        ntohs.

Fri Jul  2 00:46:47 1999  Richard Henderson  <rth@cygnus.com>
                          Jeff Law <law@cygnus.com>

        * ginclude/varargs.h (va_dcl): Use word_mode for type of
        __builtin_va_list.

        * except.c: Include intl.h.
        (expand_eh_return): Set current_function_cannot_inline.
        (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
        * function.h (struct function): Add eh_return_stub_label.
        * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
        * Makefile.in (except.o): Depend on intl.h.

Fri Jul  2 00:04:23 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
        same as offsettable in cases 1 and 2.

Thu Jul  1 20:54:10 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
        (extlh, extwh): Likewise.

Thu Jul  1 11:05:25 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * c-lex.c (yylex): Improve 'integer constant out of range' messages.

Wed Jun 30 16:51:41 1999  Nick Clifton  <nickc@cygnus.com>

        * configure.in: Add arm-pe and thumb-pe targets.
        * configure: Regenerate.

        * thumb.c (arm_naked_function_p): New function: Determines if
        a function is naked (has no gcc generated prologue/epilogue).
        (is_called_in_ARM_mode): Return true if the func has the
        interfacearm attribute.
        (output_return): Do not generate a return for naked functions.
        (thumb_function_prologue): Do not generate a prologue for
        naked functions.
        (thumb_expand_prologue): Do not generate a prologue for naked
        functions. 
        (thumb_expand_epilogue): Do not generate an epilogue for naked
        functions.
        (arm_valid_machine_decl_attribute): New function, copied from
        arm.c:  Permit naked and interfacearm attributes.
        
        * config/arm/pe.c: New file: Support code for arm-pe target.
        * config/arm/pe.h: New file: Header file for arm-pe target.
        * config/arm/tpe.h: New file: Header file for thumb-pe target.
        * config/arm/t-thumb-pe: New file: Makefile fragment for
        thumb-pe target.
        
1999-07-01  Mark Kettenis  <kettenis@gnu.org>

        * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
        -fPIC or -fpic is specified.

Wed Jun 30 03:31:54 1999  Jeffrey A Law  (law@cygnus.com)

        * expr.c (emit_block_move): Use copy_to_mode_reg for
        !TARGET_MEM_FUNCTIONS case too.

        * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
        appropriate.
        * configure: Rebuilt.
        (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
        * pa.h: Include dbxelf.h.  Delete various dbx/stabs related
        definitions made redundant by dbxelf.h inclusion.  Delete
        lots of definitions related to assembly output that are
        specific to the SOM object format.
        * pa.c (output_function_prologue): Do not emit the function's
        name for OBJ_ELF.
        * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
        * pa-pro.h: Deleted.
        * som.h: New file with SOM specific definitions.
        * elf.h: New file with ELF specific definitions.

        * elfos.h (const_section): Output a tab before assembler directives.
        (ctors_section, dtors_section): Likewise.
        (ASM_OUTPUT_SECTION_NAME): Likewise.

        * pa/pa1.h: Delete unused file.

Tue Jun 29 01:37:53 1999  Jeffrey A Law  (law@cygnus.com)

        * configure.in (hppa*-hp-hpux11*): New configuration.
        * configure: Rebuilt.
        * pa/pa-hpux11.h: New file.
        * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
        command line.

        * mips.md (leasi, leadi): New patterns.

        * expr.c (emit_block_move): Properly handle case where one of the
        block move arguments has a queued increment or decrement.
        (clear_storage): Similarly.  Fix formatting goof.

1999-06-28  "David O'Brien"  <obrien@NUXI.com>

        * fixinc/inclhack.def(stdio_va_list): This patch Removes a
        semicolon from the BSD VA_LIST replacement expression.

        * fixinc/inclhack.sh: regen
        * fixinc/fixincl.x: regen

        * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
        now use the fixincl program.

Mon Jun 28 05:28:12 1999  Jeffrey A Law  (law@cygnus.com)

        * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
        case.  Also make the PIC register call_used.

        * m68k.h (FINALIZE_PIC): Delete.
        * m68k.c (finalize_pic): Delete.
        
Mon Jun 28 05:16:35 1999  Richard Henderson  <rth@cygnus.com>

        * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
        to memory.

Mon Jun 28 04:07:27 1999  David Edelsohn  <edelsohn@gnu.org>

        * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.

Sun Jun 27 02:39:08 1999  Richard Henderson  <rth@cygnus.com>

        * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.

Sat Jun 26 17:18:18 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.

Fri Jun 25 11:33:24 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.

Fri Jun 25 13:41:25 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.c (output_toc): Always use hex values for floating-point
        constants.  Store single-precision values in upper-half of TOC
        entry in 64-bit mode.
        * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
        to final constraints.
        (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
        (fctiwz): Improve accuracy of RTL for pattern.

Fri Jun 25 11:26:38 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * expr.c (expand_expr): Allow RTL_EXPR's through the 
        MAX_INTEGER_COMPUTATION_MODE checks.

Fri Jun 25 06:06:37 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
        such that MASK_SUPPORT_ARCH is not negative.

Fri Jun 25 05:35:44 1999  Jeffrey A Law  (law@cygnus.com)

        * loop.c (verify_dominator): Properly handle ADDR_VEC and
        ADDR_DIFF_VEC insns that appear inside loops.

Thu Jun 24 22:54:05 1999  David Edelsohn  <edelsohn@gnu.org>
                          Jeff Law <law@cygnus.com>

        * rs6000.md (movdf_hardfloat32): Revert previous patch.
        Handle LO_SUM the same as offsettable in cases 1 and 2.
        * rs6000.c (find_addr_reg): Revert previous patch.

Thu Jun 24 22:43:12 1999  Philippe De Muyter  <phdm@macqel.be>

        * system.h (strstr): New external function declaration.
        * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
        * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
        * config.in, configure: Rebuilt.

1999-06-24  Tom Tromey  <tromey@cygnus.com>

        * gcc.c (main): Read user-specified specs files after computing
        additional startfile_prefixes.

Thu Jun 24 15:00:47 1999  Mark Mitchell  <mark@codesourcery.com>

        Revert these two patches:

        Thu Jun 17 21:34:24 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
        * loop.c (strength_reduce): When doing biv->giv conversion, update
        reg note of NEXT->insn.

        Thu Jun 17 17:22:07 1999  J"orn Rennecke <amylaar@cygnus.co.uk>
        * loop.c (strength_reduce): When doing biv->giv conversion, fix up
        reg_biv_class.
        (recombine_givs): Set ix field after sorting.

Wed Jun 23 21:26:00 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
        for the parts of an UNSPEC / UNSPEC_VOLATILE.

1999-06-23  Bruce Korb  <ddsinc09@ix.netcom.com>

        *fixinc/inclhack.def:  Add fix development commentary
        (read_ret_type): reactivate and add selection clause
        (zzz_*): tweak output file name to match what is used in hackshell.tpl
        *fixinc/{fixincl.x|inclhack.sh}: regen

Wed Jun 23 00:48:21 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * expr.c (expand_expr): STRIP_NOPS before checking against
        MAX_INTEGER_COMPUTATION_MODE
        (check_max_integer_computation_mode): Likewise.

Tue Jun 22 20:23:43 1999  Jim Wilson  <wilson@cygnus.com>

        * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.

1999-06-22  Jim Wilson  <wilson@cygnus.com>

        * expr.c (store_expr): When target is a promoted subreg, return a
        promoted subreg as a result.

Tue Jun 22 17:14:58 1999  Michael Meissner  <meissner@cygnus.com>

        * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
        coding standards.
        (dwarf2out_define): Mark unused parameters appropriately.
        (gen_unspecified_parameters_die): Ditto.
        (gen_subprogram_die): Fix signed/unsigned warnings.
        (gen_variable_die): Ditto.
        
1999-06-22  Bruce Korb <ddsinc09@ix.netcom.com>

        * fixinc/inclhack.def(end_else_label): combined else_label
        and endif_label and fixed the sed expression.
        *fixinc/{fixincl.x|inclhack.sh}: regen

Tue Jun 22 01:58:18 1999  Jeffrey A Law  (law@cygnus.com)

        * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
        'x' when handling non-offsettable addresses

Tue Jun 22 00:20:05 1999  Richard Earnshaw (rearnsha@arm.com)

        * final.c (shorten_branches): Don't try to split an insn that has
        been deleted.

Mon Jun 21 12:47:39 1999  Mark Mitchell  <mark@codesourcery.com>

        * config/mips/mips.c (symbolic_expression_p): New function.
        (mips_select_rtx_section): Put symbolic expressions in the
        data section, not the read-only data section.

Mon Jun 21 22:13:06 1999  Jeffrey A Law  (law@cygnus.com)

        * rs6000.md (find_addr_reg): Handle LO_SUM addresses.

Mon Jun 21 20:10:42 1999  Richard Henderson  <rth@cygnus.com>

        * collect2.c (main): Log frame table count.
        (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
        (scan_prog_file) [COFF]: Handle frame tables.

        * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
        (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
        * alpha/elf.h: Undef them again.
        * alpha/vms.h: Remove their definitions.

Tue Jun 22 03:17:53 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
        remove the clobber of r0 and change the REG_UNUSED note to
        REG_INC.

1999-06-21  Jakub Jelinek  <jj@ultra.linux.cz>

        * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
        * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
        fits in HOST_WIDE_INT and one uses union to access a long constant
        as double.

Mon Jun 21 17:18:25 1999  Richard Henderson  <rth@cygnus.com>

        * sparc.c (sparc_override_options): Don't allow profiling for
        code models other than medlow.
        (sparc_function_profiler): New function from old FUNCTION_PROFILER
        macro.  Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
        (sparc_function_block_profiler): Likewise.  Use user_label_prefix.
        (sparc_block_profiler): Likewise.
        (sparc_function_block_profiler_exit): Likewise.
        * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
        (FUNCTION_BLOCK_PROFILER): Likewise.
        (BLOCK_PROFILER): Likewise.
        (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
        (MCOUNT_FUNCTION): New.
        * sparc/pbd.h (FUNCTION_PROFILER): Delete.
        (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
        * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
        (MCOUNT_FUNCTION): New.
        * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
        (BLOCK_PROFILER): Delete.
        (MCOUNT_FUNCTION): New.

Mon Jun 21 14:11:29 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (movdf_hardfloat32): Fix typo in case 2.

Mon Jun 21 12:27:17 1999  Vladimir Makarov  <vmakarov@tofu.to.cygnus.com>

        * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
        Add the macros.

        * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
        Ditto.

        * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
        Ditto.

        * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
        Ditto.

Mon Jun 21 14:58:42 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
        types. 

Mon Jun 21 06:22:21 1999  Mark Elbrecht <snowball3@bigfoot.com>

        * i386/djgpp.h (LIB_SPEC): New.
        (STARTFILE_SPEC): New.

        * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.

Mon Jun 21 06:19:33 1999  Philippe De Muyter  <phdm@macqel.be>

        * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
        compiler flags.

        * system.h (WSTOPSIG): New macro.

Mon Jun 21 05:33:15 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * c-pragma.c (push_alignment): Don't ignore alignments greater than
        4 bytes.
        (insert_pack_attributes): Take into account member natural 
        alignment.

        * i386/winnt.c (exports_head): New static variable.
        (i386_pe_record_exported_symbol): New function.
        (i386_pe_asm_file_end): Use.
        * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
        symbols to be emitted at end of assembly.
        (ASM_DECLARE_OBJECT_NAME): Likewise.
        (ASM_DECLARE_FUNCTION_NAME): Likewise.

        * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
        -iwithprefix.

Mon Jun 21 04:44:31 1999  Jeffrey A Law  (law@cygnus.com)

        * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
        in last change.

Sun Jun 20 17:27:20 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (sched_analyze_1): Use free_list instead of 
        zapping reg_last_uses directly.
        (sched_analyze_2, sched_analyze_insn): Likewise.
        (sched_analyze): Likewise.  Don't clear reg_last_uses on calls.

Sun Jun 20 16:57:29 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (movdf_hardfloat32): Use worst case insn length
        attributes for cases 1 and 2.

Sat Jun 19 22:52:55 1999  Richard Henderson  <rth@cygnus.com>

        * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
        instead of set.

Sat Jun 19 05:40:07 1999  Philip Blundell <pb@nexus.co.uk>

        * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.

Sat Jun 19 05:25:05 1999  Richard Earnshaw (rearnsha@arm.com)

        * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
        PIC_OFFSET_TABLE_REGNUM for general alloaction.
        (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
        must be stacked if it is used for PIC accesses.
        * arm.c (use_return_insn): Handle PIC register specially.
        (output_return_instruction): Likewise.
        (output_func_{prologue,epilogue}): Likewise.
        (output_expand_prologue): Likewise.

        * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
        (*strsi_predec): Renamed from *strqi_predec.
        (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
        (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.

        * arm.c (arm_override_options): Remove warning about PIC code
        not being supported.

Fri Jun 18 23:47:06 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.c (find_addr_reg): New function.
        * rs6000.h (find_addr_reg): Declare.
        (offsettable_addr_operand): Delete.
        * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
        from and stores to GPRs.

Fri Jun 18 15:44:18 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.c (alpha_expand_block_move): Use get_insns rather than
        gen_sequence as argument to emit_no_conflict_block.

Fri Jun 18 07:02 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
        * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
        *fixinc/fixincl.x: regen
        *fixinc/inclhack.sh: regen

Thu Jun 17 15:06:10 PDT 1999 Don Lindsay  <dlindsay@cygnus.com>

        * added support for -mpcrel (PC relative addressing for m68k) 
        based on code done by Michael Tiemann  <tiemann@axon.cygnus.com>.
        * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
        * m68k.c (print_operand_address): Handle 32-bit PIC case.
        (comments for general_src_operand): Add some explanation
        about EXTRA_CONSTRAINTS.
        (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
        * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
        (LEGITIMATE_PIC_OPERAND_P): Fix typo.
        (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
        * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
        (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
        (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
        if not already set.
        (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
        * m68k.h (TARGET_PCREL): New target flag.
        (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
        (OVERRIDE_OPTIONS): Add checks for -mpcrel.
        (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
        contains a SYMBOL_REF.  Relax this constraint during reload, since
        we want to use the predicates, not reload's built-in concept of a
        valid memory address, to control what insns need reloading.
        (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
        operands (essentially 'g', 'm', and 's' under normal circumstances).
        * m68k.c (print_operand): Cause printing of pc-relative addresses
        to include pc register.
        (print_operand_address): Ditto.
        (general_src_operand): Accept operands that are not only
        general_operands, but are also valid when used as a pc-relative
        source.
        (nonimmediate_src_operand): Similar, for nonimmediate_operands.
        (memory_src_operand): Similar, for memory_operands.
        (pcrel_address): New predicate to accept the special case of a
        pc-relative address.
        * m68k.md (many patterns): Rewrite common SImode, HImode, and
        QImode insns to accept *_src_operand instead of *_operand where
        pc-relative operands can fit.  For example, a pc-relative operand
        can be used as a memory source operand for addsi3, but not as a
        memory destination.
        * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.

Fri Jun 18 09:11:07 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
        .thumb_set pseudo op to mark aliases of thumb functions.

Wed Jun 16 18:19:13 1999  Nick Clifton  <nickc@cygnus.com>

        * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
        preference to ASM_OUTPUT_DEF, if it is defined.

        * tm.texi: Document new, optional target macro
        ASM_OUTPUT_DEF_FROM_DECLS.

Thu Jun 17 15:07 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        * fixincludes: ISCNTL patch
        * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
        (dgux_int_varargs): new for DG/UX
        * fixinc/{fixincl.x,inclhack.sh}: Regenerated.

Thu Jun 17 21:34:24 1999  Jeff Law <law@cygnus.com>

        * invoke.texi (ia32 options): Fix typo.

Thu Jun 17 21:34:24 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (strength_reduce): When doing biv->giv conversion, update
        reg note of NEXT->insn.

Thu Jun 17 14:25:08 1999  Jeffrey A Law  (law@cygnus.com)

        * loop.c (move_movables): Note issues with replacing REGs with
        SUBREGs.
        * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.

Thu Jun 17 13:28:30 1999  David O'Brien <obrien@FreeBSD.org>

        * i386/freebsd-elf.h (LINK_SPEC): Fix typo.

        * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
        the reference to `mcount' was not correct for the ELF on FreeBSD.

Thu Jun 17 17:22:07 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (strength_reduce): When doing biv->giv conversion, fix up
        reg_biv_class.

        (recombine_givs): Set ix field after sorting.

Thu Jun 17 02:54:30 1999  Jeffrey A Law  (law@cygnus.com)

        * emit-rtl.c (operand_subword): Tighten checks for when it is safe
        to safe to extract a subword out of a REG.

Thu Jun 17 01:45:24 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.md (mulsi3): Don't add a no-op move at the end.

Wed Jun 16 20:29:00 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * cse.c (cse_insn): Don't put hard register source into tables for
        the last insn of a libcall.

Wed Jun 16 19:44:33 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (strength_reduce): Insert sets of derived givs at every
        biv increment, even if it's the only one.

Wed Jun 16 10:33:02 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * dwarfout.c (add_incomplete_type): New fn.
        (output_type): Call it.
        (retry_incomplete_types): New fn.
        (dwarfout_finish): Call it.

        From Eric Raskin <ehr@listworks.com>:
        (output_type): Output types for bases.

Tue Jun 15 12:51:23 1999  Alexandre Oliva  <oliva@dcc.unicamp.br>

        * mips.c (mips_output_conditional_branch): Add `break' 
        between `default' label and `close braces'.

Tue Jun 15 01:55:20 1999  David O'Brien <obrien@FreeBSD.org>

        * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library 
        specifications and make it realistic.  
        (LIB_SPEC): Likewise.

Mon Jun 14 15:38:43 1999  Jim Wilson  <wilson@cygnus.com>

        * config/mips/mips.c (mips_secondary_reload_class): Check for
        (PLUS (SP) (REG)) and return appropriate register class.
        * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
        Handle (PLUS (SP) (REG)).
        (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
        (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
        of emit_insn for tablejump.
        
Mon Jun 14 17:26:40 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
        asm_fprintf format string by itself.
        (output_function_profiler): Likewise.

Mon Jun 14 12:57:38 1999  David Mosberger  <davidm@hpl.hp.com>

        * combine.c (simplify_logical, case AND): Only call
        simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
        or the constant is positive.

Mon Jun 14 11:43:41 1999  Nick Clifton  <nickc@cygnus.com>

        * configure.in: Fix typo in rs6000-ibm-aix4 case.
        * configure: Regenerate.

Mon Jun 14 03:55:40 1999  Jeffrey A Law  (law@cygnus.com)

        * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
        require a sub-version #.
        * configure: Rebuilt.

1999-06-14  Robert Lipe  (robertlipe@usa.net)

        * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.

Mon Jun 14 10:30:52 BST 1999  Nathan Sidwell  <nathan@acm.org>

        * c-typeck.c (process_init_element): Detect excess elements in
        char array initializer.

1999-06-14  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

        * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.

Sat Jun 12 22:29:48 EDT 1999  Jerry Quinn <jquinn@nortelnetworks.com>

        * invoke.texi (Option Summary): Add -fpermissive flag.

Sat Jun 12 03:40:42 1999  Jeffrey A Law  (law@cygnus.com)

        * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
        that require PIC code sequences.

Wed Jun  9 16:29:01 1999  Nick Clifton  <nickc@cygnus.com>

        * configure.in: Add new target: thumb-elf.
        * configure: Regenerate.
        * config/arm/t-thumb-elf: New file: Makefile fragment for
        thumb-elf build.
        * config/arm/telf.h: New file: Header file for thumb-elf
        build. 

Fri Jun 11 03:17:51 1999  Jeffrey A Law  (law@cygnus.com)

        * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
        * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
        initializers is some circumstances.

        * fixinc/inclhack.def (endif_label): Add additional selector for
        more bogus stuff after #endif statements.
        * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.

Thu Jun 10 20:44:36 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * i386/cygwin.h (SET_ASM_OP): Define.

Thu Jun 10 20:37:57 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.

Thu Jun 10 19:23:00 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
        latter.

        * sh.md (ic_invalidate_line_i): Remove second alternative.

Thu Jun 10 06:55 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        *fixinc/inclhack.def(sun_auth_proto): We do not know how to
        test for the presence of valid prototypes.  Delete bypass expr.
        (ioctl_fix_ctrl): Correct the selection expression.
        (no_double_slash): Correct quoting rules
        *fixinc/fixincl.x: regen
        *fixinc/inclhack.sh: regen

Thu Jun 10 15:08:15 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.

Wed Jun  9 15:57:57 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * rs6000.md (movsi_got_internal_mem): Delete.
        * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
        (GOT_TOC_REGNUM): Delete.
        (PIC_OFFSET_TABLE_REGNUM): Define.
        (FINALIZE_PIC): Disable.
        * rs6000.c (rs6000_got_register): New code for fixed pic register.
        (rs6000_replace_regno): Delete.
        (rs6000_finalize_pic): Likewise.
        (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.

Wed Jun  9 19:44:26 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (loop_insn_first_p): Don't compare LUIDs when P
        is a note; use <= for the compare; advance P while it is
        a NOTE.

Wed Jun  9 13:12:24 1999  Jeffrey A Law  (law@cygnus.com)

        * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
        * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.

        * varasm.c (remove_from_pending_weak_list): Verify t->name
        is non-NULL before passing it to strcmp.

Wed Jun  9 06:50 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
        the typed arguments are not part of a comment
        (ioctl_fix_ctrl): Added a purpose comment
        *fixinc/fixincl.x: regenerate
        *fixinc/inclhack.sh: regenerate

Wed Jun  9 22:57:02 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * invoke.texi: Add C4x invocation docs.

Wed Jun  9 22:34:38 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
        Define new macros. 
        * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
        TARGET_EXPOSE_LDP.
        (c4x_legitimize_reload_address): New function.
        * config/c4x/c4x.md: Update docs.

Wed Jun  9 04:14:48 1999  Jeffrey A Law  (law@cygnus.com)

        * fixincludes: Avoid removing '.'.
        * fixinc/fixinc.svr4: Likewise.
        * fixinc/fixinc.winnt: Likewise.
        * fixinc/inclhack.tpl: Likewise.
        * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.

1999-06-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
        pattern.
        * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.

Wed Jun  9 03:10:34 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
        correctly.

Tue Jun  8 13:06:15 1999  Jim Wilson  <wilson@cygnus.com>

        * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
        * configure: Regenerate.
        
Tue Jun  8 05:47:48 1999  Richard Earnshaw (rearnsha@arm.com)

        * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
        values.

Mon Jun  7 22:30:37 1999  Jeffrey A Law  (law@cygnus.com)

        * fixinc/inclhack.def (avoid_bool): Also catch
        "typedef [unsigned] int bool".
        * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.

        * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
        * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
        * configure: Rebuilt.

Mon Jun  7 22:05:03 1999  Mark Kettenis  <kettenis@gnu.org>

        * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
        such that we can override its definitions if necessary.
        (CPP_SPEC): New define.  Support processor specific predefines via
        %(cpp_cpu).
        (CC1_SPEC): New define.  Support processor specific compiler
        options via %(cc1_cpu).
        (STARTFILE_SPEC): New define.  Use crt0.o instead of crt1.o for
        -static.

1999-06-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
        between sed's -e flag, and the open-quote following it.
        * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.

Mon Jun  7 20:34:20 1999  Robert Lipe <robertlipe@usa.net>
                          Jeffrey A Law  (law@cygnus.com)

        * varasm.c (assemble_start_function): Remove the function
        from the pending weak decls list when we define a function.
        (assemble_variable): Similarly for variables.
        (weak_finish): Ignore items on the list with a NULL name.
        (remove_from_ending_weak_list); New function to "remove" an item
        from the pending weak declarations list.

Mon Jun  7 19:27:07 1999  Jerry Quinn <jquinn@nortelnetworks.com>

        * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.

Mon Jun  7 14:07:39 1999  Dave Brolley  <brolley@cygnus.com>

        * c-lex.c (GETC): Redefine to call getch.
        (UNGETC): Redefine to call put_back.
        (putback_buffer): New structure type.
        (putback): New static structure.
        (getch): New function.
        (put_back): New function.
        (yylex): Replace unused bytes from bad multibyte character.

Mon Jun  7 13:33:39 1999  Dave Brolley  <brolley@cygnus.com>

        * cpplib.c (do_define): Cast `alloca' return value.
        (do_include, do_undef, do_pragma): Likewise.
        * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
        values.
        * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
        * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.

Sun Jun  6 11:58:34 1999  Jakub Jelinek  <jj@ultra.linux.cz>

        * sparc.md (abstf2): This should be an expand.
        (split after abstf2_notv9): Fix mode.
        (abstf2_hq_v9): New pattern.
        (abstf2_v9): Only use when no hard quad.
        (absdf2_v9): Fix if target is not the same as source.
        (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
        Add correct output constraints.

Sat Jun  5 17:04:16 1999  Craig Burley  <craig@jcb-sc.com>

        From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
        * invoke.texi: Clarify text vis-a-vis Intel CPUs.

Sat Jun  5 12:11:24 1999  Mark Mitchell  <mark@codesourcery.com>

        * mips.h (mips_output_conditional_branch): New function.
        (mips_adjust_insn_length): Likewise.
        (ASSEMBLER_SCRATCH_REGNUM): New macro.
        (ADJUST_INSN_LENGTH): Likewise.
        * mips.c (print_operand): Add `F' and `W' for floating-point
        comparison opcodes.
        (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
        are now in bytes.
        (mips_adjust_insn_length): New function.
        (mips_output_conditional_branch): New function.
        * mips.md (length): Adjust attribute definition to handle
        conditional branches.   Change lengths to bytes, rather than
        instructions throughout.  Remove length attribute from
        instructions whose length is four bytes, and rely on the default
        instead.
        (dslot): Fix typo in comment.
        Reword conditional branch patterns to use
        mips_output_conditional_branch.

Fri Jun  4 13:30:27 1999  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
        (LIB_SPEC): Likewise.
        Link with -lprof1_r for -g/-pg.

1999-06-04  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>

        * loop.c (check_dbra_loop): Fix change of Jan 19.

Fri Jun  4 00:12:40 1999  Marc Espie <espie@cvs.openbsd.org>

        * freebsd-elf.h (SWITCH_TAKES_ARG):  Redefine, not define.
        (STARTFILE_SPEC):  Define, override the svr4.h version.
        (ENDFILE_SPEC):  Likewise.

Thu Jun  3 23:58:55 1999  Jeffrey A Law  (law@cygnus.com)

        * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
        * fixinc/fixincl.x: Regenerated.
        * fixinc/inclhack.sh: Regenerated.

Fri Jun  4 05:42:23 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.c (barrier_align): Don't return early for normal branch/barrier
        when optimizing for SH2.

Thu Jun  3 22:27:50 1999  Robert Lipe  <robertlipe@usa.net>

        * i386/udk.h (LINK_SPEC): Correct linker search path for 
        system libraries.

Fri Jun  4 03:20:40 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
        (braf_label_ref_operand): Delete.
        * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
        * sh.md (casesi_jump_2): Operand1 is now the inside of a
        label_ref, and has no predicate.
        The patten has a predicate to guard against invalid substitutions.
        (dummy_jump): Delete.
        (casesi): Update use of casesi_jump_2.

Thu Jun 3 07:48 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
        *fixinc/fixincl.x: regenerate
        *fixinc/inclhack.sh: regenerate

Thu Jun  3 02:15:07 1999  Jason Merrill  <jason@yorick.cygnus.com>

        * dwarf2out.c (add_incomplete_type): New fn.
        (gen_struct_or_union_type_die): Call it.
        (retry_incomplete_types): New fn.
        (dwarf2out_finish): Call it.

Thu Jun  3 01:19:03 1999  Jeffrey A Law  (law@cygnus.com)

        * gcse.c (insert_insn_end_bb): Correct placement of insns when the
        current block starts with a CODE_LABEL and ends with a CALL and
        we can not find all the argument setup instructions for the CALL.

Wed Jun  2 15:44:15 1999  Mark Mitchell <mark@codesourcery.com>

        Revert this change:
        * fold-const.c (fold): STRIP_NOPS when deciding whether or not
        something is a candidate for optimize_bit_field_compare.

Wed Jun  2 21:53:05 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.

Wed Jun  2 12:25:55 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.c (override_options): Thinko in last patch.

        * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
        (LIB_SPEC): Recognize -pthread.

Wed Jun  2 08:42:55 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
        definition in config/arm/coff.h
        * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.

Wed Jun  2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>

        * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
        fixes that need "file=xxx\n" prepended before invocation
        (start_fixer - new): starting the fixer process is complex enough
        to warrent its own routine.  It prepends the "file=xxx\n" stuff.
        (process): uses the new routine; omit usage of putenv()
        * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
        * fixinc/fixincl.x: regenerate

Wed Jun  2 02:29:07 1999  Jeffrey A Law  (law@cygnus.com)

        * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
        and version #s (1.1 -> 2.96) as needed.
        * README.g77: Kill way out of date file in the toplevel directory.
 
Wed Jun  2 00:52:34 1999  David O'Brien <obrien@FreeBSD.org>

        * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
        i386/freebsd-elf.h no longer requires it.  Instead include svr4.h.
        * configure: Rebuilt.
        * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
        (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
        (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
        (SWITCH_TAKES_ARG): Likewise.
        * i386/freebsd.h: Remove FREEBSD_NATIVE support.
        * config/t-freebsd: Moved from config/i386/ so it can used for all
        FreeBSD targets.

Mon May 31 02:22:55 1999  Philippe De Muyter  <phdm@macqel.be>

        * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.

Wed Jun  2 00:08:34 1999  Robert Lipe  <robertlipe@usa.net>

        * configure.in (i[34567]86-*-udk*): Install headers with cpio.
        * configure: Rebuilt.

Tue Jun  1 19:06:22 1999  David Edelsohn  <edelsohn@gnu.org>

        * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
        * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
        * rs6000/rs6000.c (rs6000_file_start): Use putc.
        (rs6000_output_load_toc_table): Same.
        (output_prolog, output_mi_thunk): Same.
        * rs6000/rs6000.h (SELECT_SECTION): Formatting.
        (ASM_GLOBALIZE_LABEL): Use putc.

Mon May 31 15:23:23 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.md (reload_*_help): New patterns and splitters.
        (reload_*): Use them.
        (mov[qh]i): Likewise.

Mon May 31 11:48:07 1999  Mark Mitchell  <mark@codesourcery.com>

        * cccp.c (handle_directive): Handle backslash-newlines in quoted
        strings correctly.

Mon May 31 09:36:11 1999  Cort Dougan  <cort@cs.nmt.edu>

        * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.

Mon May 31 11:40:20 EDT 1999  John Wehle  (john@feith.com)

        * flow.c (mark_regs_live_at_end, insn_dead_p,
        mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
        and HARD_FRAME_POINTER_REGNUM special treatment if reload
        hasn't run or the frame pointer is needed.
        * haifa-sched.c (attach_deaths): Likewise.
        * sched.c (attach_deaths): Likewise.

Mon May 31 00:46:17 1999  Jeffrey A Law  (law@cygnus.com)

        * jump.c (jump_optimize_1): Only set CAN_REACH_END if 
        calculate_can_reach_end returns nonzero.

        * configure.in (native gas tests): Search for an assembler in the
        same manner that the installed compiler will.
        * configure: Rebuilt.
        * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.

        * alias.c (find_base_term): Improve handling of addresses
        constructed from binary operations.

Sun May 30 14:29:17 1999  Eric Raskin (ehr@listworks.com)

        * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.

Sun May 30 14:19:13 1999  Jeffrey A Law  (law@cygnus.com)

        * function.h (cleanup_label, frame_offset): Declare.
        (tail_recursion_label, tail_recursion_reentry): Likewise.
        (arg_pointer_save_area, rtl_expr_chain): Likewise.
        * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
        (tail_recursion_label, tail_recursion_reentry): Likewise.
        (arg_pointer_save_area, rtl_expr_chain): Likewise.

Sat May 29 19:08:10 1999  Philip Blundell  <philb@gnu.org>

        * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already 
        defined.
        * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
        (MAX_OFILE_ALIGNMENT): Define.

Fri May 28 21:40 1999  Robert Lipe <robertlipe@usa.net>

        * fixincl.c: Replace local include scheme with #includes of
        gansidecl.h and system.h.
        * procopen.c:  Likewise.
        * server.c:  Likewise.

Fri May 28 03:47:03 1999  Eric Raskin (ehr@listworks.com)

        * i386/t-dgux (EXTRA_PARTS): Add crti.o
        (crti.o): Add build rule and dependencies.
        * fixinc/fixinc.dgux:  Use modified _int_varargs.h

Fri May 28 03:41:02 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
        (LIB_LINUX_SPEC): Likewise.
        (LIB_LINUX_SPEC): Add support for -pthread
        (CPP_OS_LINUX_SPEC): Likewise.
        (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
        specified.

Thu May 27 13:04:52 1999  H.J. Lu  (hjl@gnu.org)

        * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
        conditional move.
        (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
        (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
        for IEEE math and CC_FCOMI.
        (put_jump_code): No IEEE if CC_FCOMI is set.

1999-05-27  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>

        * fold-const.c (fold_truthop): Make the field reference unsigned
        when converting a single bit compare.

Thu May 27 02:40:48 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * loop.c (strength_reduce): Don't do biv->giv conversion on constants.

Thu May 27 02:09:27 1999  Jeffrey A Law  (law@cygnus.com)

        * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
        * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
        version did.

        * reload.c (push_reload): Do not call remove_address_replacements
        when presented with identical optional reloads.

Wed May 26 14:18:05 1999  Richard Henderson  <rth@cygnus.com>

        * alpha.h (MASK_FIX, TARGET_FIX): New.
        (MASK_*): Reorganize constants.
        (CPP_AM_FIX_SPEC): New.
        (TARGET_SWITCHES): Add FIX.
        (EXTRA_SPECS): Likewise.
        (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
        (SECONDARY_MEMORY_NEEDED): Likewise.
        (REGISTER_MOVE_COST): Likewise.
        * alpha.c (override_options): Add FIX support.  Always use 
        ALPHA_TP_PROG for ev6.
        * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
        * alpha/elf.h (ASM_FILE_START): Look at FIX too.
        * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.

Wed May 26 09:53:05 1999  Mark Mitchell  <mark@codesourcery.com>

        * fold-const.c (fold): STRIP_NOPS when deciding whether or not
        something is a candidate for optimize_bit_field_compare.

Wed May 26 09:40:02 1999  Mark Mitchell  <mark@codesourcery.com>

        * gcc.texi (Passes): Document branch-shortening.
        * invoke.texi (Debugging Options): Document the fact that `-dp'
        outputs length information for instructions.

Wed May 26 08:49:31 1999  Nick Clifton  <nickc@cygnus.com>

        * flow.c: Revert previous delta.

Wed May 26 06:05:10 1999  Nick Clifton  <nickc@cygnus.com>

        * flow.c (insn_dead_p): Check against frame_pointer_rtx not
        FRAME_POINTER_REGNUM. 
        (mark_set_1): Ditto.
        (mark_used_regs): Ditto.

Wed May 26 02:19:31 1999  Philip Blundell  <pb@nexus.co.uk>

        * arm.h (NEED_PLT_GOT): Fix mistake in last change.
        (GOT_PCREL): New macro.  Define to 1 if not already defined.
        * arm/elf.h (GOT_PCREL): Define to 0.
        * arm.c (arm_finalize_pic): Take into account the setting of
        GOT_PCREL.

Tue May 25 14:06:06 1999  Jeffrey A Law  (law@cygnus.com)

        * output.h (STRIP_NAME_ENCODING): Provide default definition.
        * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.

        * flow.c (mark_set_1): Do not record BLKmode stores as dead
        store elimination candidates.

Tue May 25 08:55:57 1999  Gavin Romig-Koch  <gavin@cygnus.com>

        * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if 
        TARGET_GAS.

Mon May 24 20:30:08 1999  Jim Wilson  <wilson@cygnus.com>

        * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
        Add use of x-aix41-gld.
        
Mon May 24 16:44:09 1999  Jakub Jelinek  <jj@ultra.linux.cz>

        * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
        (ASM_OUTPUT_DESTRUCTOR): Define.

Mon May 24 14:35:24 1999  Jeffrey A Law  (law@cygnus.com)

        * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
        last CODE_LABEL in a loop if we have previously passed a jump
        to the top of the loop.

Mon May 24 07:56:29 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
        applying Philip's patch.

Mon May 24 01:02:12 1999  Mark Mitchell  <mark@codesourcery.com>

        * stmt.c (expand_end_bindings): Ignore any elements of VARS that
        are not VAR_DECLs.

Sun May 23 20:31:16 1999  Jeffrey A Law  (law@cygnus.com)

        * loop.c (strength_reduce): Grow reg_single_usage as needed.

Sun May 23 10:13:20 1999  David O'Brien <obrien@FreeBSD.org>

        * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
        Also remove a useless comment.

Sun May 23 10:05:23 1999  Jerry Quinn <jquinn@nortelnetworks.com>

        * pa.md (negdf2,negsf2):  Use fneg instead of fsub on pa 2.0.
 
Sat May 22 21:02:06 1999  David Edelsohn  <edelsohn@gnu.org>

        * collect2.c (main): Only generate import or export file and add
        to link arguments if non-empty.  Use xmalloc not alloca.
        (write_{export,import}_file): Delete.
        (write_aix_file): New function.
        (locatelib): Use xmalloc not malloc.
        (GCC_OK_SYMBOL): Do not check type if aix64.

Sat May 22 09:35:51 1999  Philip Blundell  <pb@nexus.co.uk>

        Based on patch by Scott Bambrough and Pat Beirne:
        * config/arm/arm.c (making_const_table): New variable.
        * config/arm/arm.h (making_const_table): Declare.
        (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
        appropriate.
        * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
        Keep track of when we are building the constant table.  

Sat May 22 09:34:22 1999  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/arm.c (arm_override_options): Fix erroneous warning
        message.
        
Sat May 22 09:06:33 1999  Nick Clifton  <nickc@cygnus.com>

        * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
        defined. 

Sat May 22 07:17:05 1999  Nick Clifton  <nickc@cygnus.com>

        * tm.texi (FUNCTION_ARG): Correct description of a stack element
        in a PARALLEL.

Sat May 22 01:27:49 1999  Mark Mitchell  <mark@codesourcery.com>

        * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.

Fri May 21 21:19:02 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * rs6000.c (output_mi_thunk): Enable full support again.

Fri May 21 20:09:52 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

        * sh.h (BRANCH_COST): Define.

Thu May 20 10:00:42 1999   Stephen L Moshier  <moshier@world.std.com>

        * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.

Thu May 20 09:58:57 1999  Jan Hubicka <hubicka@freesoft.cz>

        * function.c (assign_stack_local): Align stack slot propertly.
        (assign_outer_stack_local): Likewise.

Thu May 20 10:38:43 1999  Mark Mitchell  <mark@codesourcery.com>

        * expr.h (lang_expand_constant): Declare.
        * toplev.c (lang_expand_constant): Define it.
        * varasm.c (output_constant): Use it.

Thu May 20 11:28:53 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
        Change function definitions to K&R style.

Thu May 20 08:16:39 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        * fixinc/fixincl.c: We must not ignore SIGCLD now.

Thu May 20 07:06:39 1999  Alexandre Oliva  <aoliva@acm.org>

        * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
        * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
        (several places): omit static initialization
        (process): use single fd, since only the read fd is used
        * fixinc/gnu-regex.c: define 'const' away, if not supported
        * fixinc/procopen.c(several places): omit static initialization
        * fixinc/server.c: define 'volitile' away, if not supported

1999-05-20  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>

        * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
        asm_fprintf and %L to generate the label name.
        * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
        (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.

Thu May 20 01:40:55 1999  Jeffrey A Law  (law@cygnus.com)

        * jump.c (can_reverse_comparison_p): Do not abort if the comparison
        insn for a conditional jump can not be found.

Wed May 19 23:58:58 1999  Jeffrey A Law  (law@cygnus.com)

        * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
        on variables in specific sections other than .sbss and .sdata.

Wed May 19 03:56:56 1999  Mark Mitchell  <mark@codesourcery.com>

        * stmt.c (expand_return): Call start_cleanup_deferral and
        end_cleanup_deferral around conditional code.

Wed May 19 08:40:08 1999  Bruce Korb <ddsinc09@ix.netcom.com>

        * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
        filename lists.  Utilizes new "krstr" AutoGen function.
        * fixinc/fixincl.x: Rebuilt.

Wed May 19 02:47:11 1999  Jan Hubicka  (hubicka@freesoft.cz)

        * i386.c (output_float_compare): Avoid GNU-C extensions.

Wed May 19 00:34:40 1999  Jeffrey A Law  (law@cygnus.com)

        * version.c: Bump to distinguish mainline tree from the
        gcc-2.95 branch.

See ChangeLog.1 for earlier changes.

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