1 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
3 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
6 * configure.in: Call AC_FUNC_MMAP_FILE.
7 * configure: Regenerate.
8 * config.in: Regenerate.
10 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
11 * fixinc/fixincl.c: Likewise.
13 2000-04-17 Richard Henderson <rth@cygnus.com>
15 * builtins.c (expand_builtin_expect): New.
16 (expand_builtin): Call it.
17 * builtins.def (BUILT_IN_EXPECT): New.
18 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
19 * extend.texi: Document it.
21 * predict.c (expected_value_to_br_prob): New.
22 (find_expected_value): New.
23 * basic-block.h (expected_value_to_br_prob): Declare.
24 * toplev.c (rest_of_compilation): Invoke it.
26 * rtl.h (NOTE_EXPECTED_VALUE): New.
27 (NOTE_INSN_EXPECTED_VALUE): New.
28 * rtl.c (note_insn_name): Update.
29 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
30 cases; handle NOTE_INSN_EXPECTED_VALUE.
32 2000-04-17 Jakub Jelinek <jakub@redhat.com>
34 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
35 leaf sibcall delay slot if flag_pic.
36 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
38 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
40 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
42 * fixproto: If fix-header fails, exit with an error.
44 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
46 * cse.c (struct check_depdendence_data): New.
47 (check_dependence): New function.
48 (invalidate): Use check_depdenence.
50 2000-04-16 Mark Mitchell <mark@codesourcery.com>
52 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
53 UNITS_PER_WORD is unsigned.
55 * tree.h (struct tree_common): Remove misleading comment.
57 2000-04-16 Dave Pitts <dpitts@cozx.com>
59 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
60 message in quotes. Otherwise, IBM's make program treats the '#' as the
61 start of a comment and ignores the remainder of the line.
63 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
65 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
66 * cexp.y (initialize_random_junk): Likewise.
67 * cppfiles.c (find_include_file): Cast alloca return value.
68 * cppinit.c (initialize_standard_includes): Likewise.
69 * cpplib.c (cpp_define, cpp_undef): Likewise.
70 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
71 * final.c (output_asm_insn): Allow for holes in EBCDIC.
72 * fold-const.c (CHARMASK): New.
73 (real_hex_to_f): Use it.
74 * real.c (CHARMASK): New.
75 (etoasc, asctoeg): Use it.
76 (asctoeg): EBCDIC lower case characters preceed upper case.
78 * i370.c (mvs_add_label): Change spacing for coding conventions.
79 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
80 outputing case vectors.
81 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
82 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
83 since vector in in the data CSECT.
84 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
85 * i370.md (Many patterns): Put the length in the XL directives.
86 (movdi): Put back STM and MVC in definition.
87 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
88 pattern using the TCA.
89 * oe.h (CPP_SPEC): Added to allow trigraphs.
90 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
91 not support the "long long" type.
93 2000-04-16 Mark Mitchell <mark@codesourcery.com>
95 * config/mips/mips-protos.h (mips_legitimate_address_p): New
97 (mips_reg_mode_ok_for_base_p): Likewise.
98 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
99 (REG_OK_FOR_INDEX_P): Define unconditionally.
100 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
101 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
102 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
103 that GET_MODE_SIZE is unsigned.
104 (mips_reg_mode_ok_for_base_p): Define.
105 (mips_legitimate_address_p): Likewise. Adjust now
106 that GET_MODE_SIZE is unsigned.
107 (block_move_loop): Make the number of bytes unsigned.
108 (expand_block_move): Likewise.
109 (function_arg): Make the loop counter unsigned to match the
112 2000-04-16 Richard Henderson <rth@cygnus.com>
114 * rtl.h (enum insn_note): New enumeration. Subsume
115 NOTE_INSN_DELETED and friends.
116 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
117 * rtl.c (note_insn_name): Tweak string order.
119 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
121 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
124 * cpplex.c (output_line_command): Remove debugging prints.
125 (cpp_output_tokens): Don't write out a zero-length buffer or
126 try to see if it has a newline in it.
127 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
128 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
129 the end of the loop. Use memmove. Don't read past the end of
130 the buffer. Remove trailing newlines from error messages.
132 2004-04-16 Neil Booth <NeilB@earthling.net>
134 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
135 * cpplib.c: Add new syntax flags to directive table, and
138 2000-04-15 Ulrich Drepper <drepper@redhat.com>
140 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
143 2000-04-15 David Edelsohn <edelsohn@gnu.org>
145 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
146 * haifa-sched.c: Update -fsched-verbose comments to use "=".
148 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
150 * Makefile.in (ggc-page.o): Now includes toplev.h.
151 * ggc-page.c (toplev.h): Now included.
152 (gc_time): Remove declaration.
153 (ggc_collect): TIME now long.
154 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
156 * toplev.h (gc_time, parse_time, gc_time): New declarations.
158 * toplev.c: Make *_time variable long to reduce chance of overflow.
159 (TIMEVAR): Likewise for `otime'.
160 (print_time): Arg is now long; compute percentage in FP and round.
161 * toplev.h (print_time): Arg is long.
163 * tree.c: Minor whitespace changes.
165 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
166 * configure: Rebuilt.
167 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
168 (__fixunsxfDI): Renamed from __fixunsxfdi.
169 (__fixunsdfDI): Renamed from __fixunsdfdi.
170 (__fixunssfDI): Renamed from __fixunssfdi.
171 (__floatdisf): Use proper type in REP_BIT macro.
172 (__fixunsxfSI): Renamed from __fixunsxfsi.
173 (__fixunsdfSI): Renamed from __fixunsdfsi.
174 (__fixunssfSI): Renamed from __fixunssfsi.
175 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
176 Change location of macros and upper-case some names as above.
177 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
178 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
180 * varasm.c (assemble_variable): Add cast to remove warning.
181 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
183 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
184 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
187 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
189 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
190 call unshare_all_rtl.
192 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
194 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
196 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
197 Use .s1 not .s0 for all FP instructions.
199 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
201 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
203 (safe_fwrite, output_line_command): New static functions.
204 (cpp_expand_to_buffer): Now private to cpplib.
205 (cpp_scan_buffer): Take a printer.
207 * cpphash.h: Update prototypes.
208 * cpplib.h: Update prototypes.
210 (cpp_buffer): Remove last_nominal_fname.
211 (cpp_reader): Remove lineno.
213 * cppmain.c: Use a cpp_printer.
214 * fix-header.c: No need to inhibit line commands. Call
215 cpp_start_read with no printer.
217 * cpperror.c (cpp_notice_from_errno): Provide default name.
218 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
219 (find_include_file, cpp_read_file): Use make_IHASH.
220 (file_cleanup): Set control_macro and clear
221 input_stack_listing_current here.
222 (_cpp_execute_include): Don't output entering-file marker.
223 * cpphash.c (special_symbol): Look for the line number in the
224 buffer, not the reader.
225 (_cpp_macroexpand): No need to disable line commands.
226 (_cpp_dump_definition): No need to generate line commands.
227 (dump_hash_helper): Remove excess newline from output.
228 * cppinit.c (dump_special_to_buffer): No need to generate line
230 (cpp_printer_init): New.
231 (cpp_start_read): Take a printer, and start it up if it's not
232 NULL. No need to generate line commands.
233 (cpp_finish): Expect no buffers stacked at all. Take a
234 printer argument, and flush the output buffer if it's not
236 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
237 Don't put two hashes at the beginning of an assertion.
238 (cpp_get_token): Don't increment pfile->lineno or emit line
239 commands here. Return EOF if there's no buffer when we get
241 * cpplib.c (do_define, skip_if_group):
242 No need to disable line commands.
243 (_cpp_output_line_command): Delete function.
244 (do_line): Don't emit line commands here, but set things up so
245 they will be emitted if necessary. Use _cpp_fake_ihash to
246 make unique nominal_fnames if necessary.
247 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
248 with 0 for column, not -1.
249 (_cpp_handle_eof): Don't set the control macro here. Don't
250 clear input_stack_listing_current here. Don't emit line
253 2000-04-14 Geoff Keating <geoffk@cygnus.com>
255 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
256 always, use the default SVR4 start address.
258 * config/rs6000/linux.h (LINK_SPEC): Don't define.
259 (LINK_SHLIB_SPEC): Define.
260 (LINK_START_DEFAULT_SPEC): Define.
261 (LINK_OS_DEFAULT_SPEC): Define.
263 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
265 * config/rs6000/eabi.asm (__eabi): Call __init rather than
266 __do_global_ctors to handle constructors.
267 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
268 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
269 (STARTFILE_MVME_SPEC): Likewise.
270 (STARTFILE_SIM_SPEC): Likewise.
271 (ENDFILE_ADS_SPEC): Use crtend.
272 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
273 (ENDFILE_MVME_SPEC): Likewise.
274 (ENDFILE_SIM_SPEC): Likewise.
275 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
276 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
277 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
278 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
279 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
280 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
281 (CRTSTUFF_T_CFLAGS_S): Define.
282 * config/rs6000/eabi-ctors.c: Delete.
284 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
287 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
291 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
293 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
294 plus mask size is smaller or equal to the mode size.
296 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
298 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
301 * expr.c (reload.h): Now included.
302 (emit_block_move): Set volatile_ok when checking for movstr.
303 (emit_move_1): Check for replacements in addresses in multi-word case.
304 * Makefile.in (expr.o): Now includes reload.h.
306 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
307 Never have a LIBCALL end a basic block.
308 (find_basic_blocks_1): Likewise.
309 Reorganize CALL_INSN cases.
311 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
313 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
315 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
316 completers from mov.ret instruction.
318 2000-04-14 Richard Henderson <rth@cygnus.com>
320 * fold-const.c (extract_muldiv): Don't distribute and widen
321 multiply across plus for non-sizetype unsigned types.
323 2000-04-14 Richard Henderson <rth@cygnus.com>
325 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
326 If the original source is dead in the incr insn, it's dead now.
328 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
330 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
331 see if DECL_BIT_FIELD needs to still be set.
333 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
335 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
336 print_int_cst_octal with something that's not an INTEGER_CST.
338 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
339 and not a SUBREG to a FLOAT rtl.
341 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
343 * emit-rtl.c (try_split): Avoid infinite loop if the split
344 results in a sequence that contains the original insn.
346 2000-04-13 Andreas Jaeger <aj@suse.de>
348 * config/mips/mips.c (expand_block_move): Pass alignment
349 argument to move_by_pieces in bits, not bytes.
351 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
352 __pic__ for little endian.
354 2000-04-13 Andreas Jaeger <aj@suse.de>
356 * config/i386/i386-protos.h: Add prototype for
357 uno_comparison_operator.
359 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
361 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
362 * calls.c (ECF_PURE): New flag.
363 (emit_call_1): Handle ECF_PURE calls.
364 (initialize_argument_information): Unset ECF_PURE flag too.
365 (precompute_arguments): Precompute for ECF_PURE too.
366 (expand_call): Handle ECF_PURE calls too.
367 (emit_library_call_value_1): Rename no_queue argument to fn_type,
368 accept value of 2 as pure function.
369 (emit_library_call_value, emit_library_call): Rename no_queue argument
371 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
373 * tree.h (DECL_IS_PURE): New macro.
374 (struct tree_decl): Add pure_flag.
375 * c-common.c (enum attrs): Add attribute "pure".
376 (init_attributes): Initialize attribute "pure"
377 (decl_attributes): Handle attribute "pure".
378 * extend.texi (Attribute "pure"): Document.
379 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
381 (flags_from_decl_or_type): Support attribute "pure".
383 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
385 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
386 the token except for numbers and identifiers.
388 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
390 * i386.c (ix86_expand_binary_operator,
391 ix86_expand_unary_operator): Check no_new_pseudos
392 instead of reload_in_progress and reload_completed.
393 (ix86_split_ashldi, ix86_split_ashrdi,
394 ix86_split_lshrdi): Check no_new_pseudos instead
397 2000-04-12 Jeffrey A Law (law@cygnus.com)
399 * function.c (purge_addressof): Unshare any shared rtl created by
400 purge_addressof and its children.
402 2000-04-12 Mark Mitchell <mark@codesourcery.com>
404 * function.c (aggregate_value_p): VOID_TYPE nodes are never
407 2000-04-05 Andreas Jaeger <aj@suse.de>
409 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
410 not compiling PIC code, add flags for mabi=64.
411 (SUBTARGET_CPP_SIZE_SPEC): New.
412 (SUBTARGET_CPP_SPEC): New.
413 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
414 for MIPS/Linux and lots of code needs these defines.
416 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
418 * reorg.c (fill_slots_from_thread): Check side_effects_p when
419 trying the "opposite arithmetic" approach.
421 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
423 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
424 (struct sh_args): Add new field force_mem.
425 (INIT_CUMULATIVE_ARGS): Initialize it.
426 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
428 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
430 * calls.c (expand_call): Do not reverse args in "equal from" field.
431 (emit_library_call_value_1): Emit_libcall_block for const and pure
434 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
436 * reload1.c (reload_combine): Don't enable optimization for fixed
437 registers when encountering a BARRIER.
439 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
441 * builtins.c (expand_builtin_memcmp): Do expansion even with
442 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
444 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
445 stack is propertly aligned; add sanity checking for aligned
447 (expand_library_call_value_1): Add sanity checking for aligned
450 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
452 * calls.c (emit_library_call_value_1): Change 3rd arg to
453 locate_and_pad_parm to disregard the setting of partial.
455 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
457 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
459 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
460 CALL_INSN from the normal case.
462 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
464 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
465 New global variables.
466 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
468 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
470 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
471 TARGET_ADD_ESP_8): New macros.
472 * i386.md: Add peep2s to convert esp adjustments to push and pop
474 (pushsi_prologue, popsi_epilogue): New patterns.
476 2000-04-12 Jakub Jelinek <jakub@redhat.com>
478 * real.c (toe64): Remove stale #endif from the last change.
480 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
482 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
483 * real.c (toe64): Revert previous change.
485 2000-04-12 Jakub Jelinek <jakub@redhat.com>
487 * objc/objc-act.c: Include ggc.h.
488 (objc_tree_index, objc_global_trees): Convert most of the
489 static tree variables into a static array with previous names
491 (objc_ellipsis_node): New variable.
492 (lang_init): Call objc_act_parse_init and c_parse_init.
493 Create objc_ellipsis_node.
494 (build_selector_translation_table): Use objc_ellipsis_node instead
496 (hack_method_prototype): Likewise.
497 (get_arg_type_list): Likewise.
498 (start_method_def): Likewise.
499 (continue_method_def): Likewise.
500 (gen_method_decl): Likewise.
501 (ggc_mark_imp_list): New function.
502 (ggc_mark_hash_table): New function.
503 (objc_act_parse_init): New function.
504 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
505 * c-parse.in (c_parse_init): For objc add roots of objc specific
506 local tree variables.
507 * objc/objc-parse.y: Rebuilt.
508 * objc/objc-parse.c: Rebuilt.
509 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
511 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
513 * cse.c (delete_trivially_dead_insns): Also delete insns
514 that copy a register to itself where the destination is
517 2000-04-11 Richard Henderson <rth@cygnus.com>
519 * flow.c (struct propagate_block_info): Add new_dead, new_live.
520 (propagate_block): Initialize them. Use them in parallel instead
521 of one tmp variable, ie revert much of the 0408 and 0407 functional
522 changes, but keep the structural changes.
523 (mark_set_regs): Take new_dead from propagate_block_info instead.
524 (mark_set_1, mark_set_reg): Likewise.
525 (mark_used_regs): Likewise with new_live.
526 (mark_used_reg): Likewise. Revert 0408 change.
528 2000-04-11 Nick Clifton <nickc@cygnus.com>
530 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
532 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
534 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
536 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
537 const section to output a CONSTRUCTOR based on the same conditions
540 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
542 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
543 * pa/pa-protos.h (output_call): Add additional argument indicating
544 if the call is a sibling/tail call.
545 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
546 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
547 (function_arg, function_arg_partial_nregs): Likewise
548 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
549 (emit_move_sequence): Zero extend certain constants as needed
551 (compute_zdepdi_operands, output_64bit_and): New functions.
552 (output_64bit_ior, function_arg): Likewise.
553 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
554 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
555 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
556 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
557 (output_bvb): Likewise.
558 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
559 (output_call): New argument 'sibcall'. Generate sibcall sequences
561 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
562 (ouput_arg_descriptor): Do not emit argument descriptors for
564 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
566 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
567 (FUNCTION_OK_FOR_SIBALL): Define.
568 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
569 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
570 (CPP_SPEC): Use new spec infrastructure.
571 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
572 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
573 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
574 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
575 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
576 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
577 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
578 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
579 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
580 (FUNCTION_ARG); Call out to C code.
581 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
582 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
583 (MIN_UNITS_PER_WORD): Likewise.
584 * pa/pa.md (cmpdi): New expander.
585 (scc patterns, movstrsi): Not available for TARGET_64BIT.
586 (64bit conditional arithmetic): New patterns.
587 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
588 (movsicc): Not available if modes on all the operands to not match.
589 (movdicc): New expander and associated patterns.
590 (64bit branches): New patterns.
591 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
592 (pre_ldd, post_std): New patterns.
593 (64bit addil, load low part): New patterns.
594 (special movsf constant): Not available for TARGET_64BIT.
595 (movsf, movdf expanders): Force constants into memory.
596 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
597 (64bit movdf/movdi patterns): New patterns.
598 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
600 (extendqidi2, extendhidi2, extendsidi2): Similarly.
601 (adddi3 expander): Allow "arith_operand" for second input.
602 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
603 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
604 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
605 (muldi3): New expander for TARGET_64BIT.
606 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
608 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
609 patterns for TARGET_64BIT.
610 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
611 patterns for TARGET_64BIT.
612 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
613 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
614 (sibcall_epilogue): New expander.
615 (casesi): Tweak for TARGET_64BIT.
616 (call expanders): Set & use the outgoing argument pointer. Use the
617 64bit call patterns as needed. Add additional arg to output_call.
618 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
619 (sibcall, sibcall_internal_symref): New expanders.
620 (sibcall_value, sibcall_value_internal_symref
621 (interspace_jump): Turn into an expander + matching patterns.
622 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
623 * pa/pa64-regs.h: Eliminate trigraph sequences.
624 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
626 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
628 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
629 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
630 cpp_token with cpp_ttype everywhere.
631 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
632 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
633 CPP_BUF_COL. Line and column numbers are unsigned int, not
635 * cpplex.c (cpp_buf_line_and_col): Delete.
636 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
637 'long lineno' to 'unsigned int lineno'.
638 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
640 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
642 * extend.texi: ISO C99 is not a draft anymore.
643 * invoke.texi: ISO C++ is not a draft anymore.
644 * cpp.texi: __cplusplus is required by the ISO standard.
646 * extend.texi (-fthis-is-variable): Undocument.
647 * flags.h (warn_template_debugging): Remove declaration.
648 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
649 -Wenum-clash, -Wtemplate-debugging): Undocument.
651 2000-04-10 Nick Clifton <nickc@cygnus.com>
653 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
655 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
657 (ARM_SIGN_EXTEND): Use HOST_UINT.
658 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
659 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
660 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
661 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
663 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
664 (arm_gen_constant): Use HOST_UINT.
665 (arm_canonicalize_constant): Use HOST_UINT.
666 (arm_reload_in_hi): Use HOST_UINT.
667 (arm_reload_out_hi): Use HOST_UINT.
668 (output_multi_immediate): Use HOST_UINT.
669 (int_log2): Use HOST_UINT.
670 (arm_poke_function_name): Use HOST_UINT.
671 (arm_output_epilogue): Use arm_volatile_func().
672 (output_thumb_prologue): Use arm_strip_name_encoding().
674 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
676 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
677 of sequence point problems.
679 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
681 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
683 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
685 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
687 * sbitmap.h: Whitespace changes and use upper-case macro args.
688 (struct simple_bitmap_def): All sizes now unsigned.
689 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
690 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
691 (sbitmap_vector_alloc): Parms and local vars now unsigned.
692 (sbitmap_zero): Cast bzero arg to PTR.
693 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
694 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
695 loop to make structure clearer.
696 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
697 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
698 (sbitmap_a_and_b_or_c): Likewise.
699 (sbitmap_intersection_of_succs): Minor cleanups.
700 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
701 (sbitmap_union_of_preds): Likewise.
702 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
703 (debug_sbitmap): New function.
705 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
706 * c-typeck.c (convert_for_assignment): Likewise.
708 * expmed.c (init_expmed): Don't free objects we make.
709 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
711 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
712 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
714 * gcse.c (expr_hash_table_size): Now unsigned.
715 (compute_ae_gen): Local variable `i' now unsigned.
716 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
717 (compute_transout, hoist_code): Likewise.
718 (compute_local_properties): Likewise, also hash_table_size.
719 (alloc_expr_hash_table): N_INSNS now unsigned.
720 (delete_null_pointer_checks): Mark arg F as unused.
722 * regrename.c: Minor cleanups, including chang some variables
725 2000-04-10 Neil Booth <NeilB@earthling.net>
727 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
729 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
731 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
733 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
734 __classof__, and __headof__ from the list of gnu keywords.
735 (-ansi): Remove -foperator-names from list of implied options.
736 Do not call it ANSI C++.
737 (-foperator-names): Document as -fno-operator-names.
739 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
741 * cpphash.c (timestamp): Delete.
742 (del_HASHNODE): If type is T_MCONST, free value.cpval.
743 (special_symbol): Remove unnecessary braces. Remove
744 T_VERSION. Treat T_STDC like T_CONST unless
745 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
746 when one is encountered, then convert them into T_MCONST
748 * cppinit.c (builtin_array): version_string is T_MCONST.
749 __STDC__ has a "1" in its cpval. Don't have a terminator
750 entry. Clean up which entries are dumped.
751 (initialize_builtins): Only __STDC__ gets the special
752 -traditional treatment. Count the length of builtin_array.
753 Render version_string here.
754 * cpphash.h: Remove T_VERSION. Add T_MCONST.
755 * cpplib.h (struct cpp_reader): Remove timebuf.
757 2000-04-09 Richard Henderson <rth@cygnus.com>
759 * genrecog.c (pred): Update comparison_operator for the unordered
762 * config/i386/i386.c (no_comparison_operator): Disallow unordered
764 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
765 (uno_comparison_operator): New.
766 (put_condition_code): Handle UNORDERED/ORDERED.
767 (unsigned_comparison): Likewise.
768 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
769 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
770 (ix86_expand_fp_compare): Use them. Take scratch as argument,
771 update all callers. Handle all 8 unordered operators.
772 (ix86_expand_setcc): Lose the unordered argument, update all callers.
773 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
774 * config/i386/i386.h (PREDICATE_CODES): Update.
775 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
776 (ix86_expand_branch, ix86_expand_setcc): Update.
777 * config/i386/i386.md (sunordered, sordered): New.
778 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
779 (bunordered, bordered): New.
780 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
781 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
782 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
784 2000-04-09 Philip Blundell <philb@gnu.org>
786 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
788 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
790 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
791 fix_truncxfhi2): New patterns.
792 * i386.c (output_fix_trunc): Handle converting to HImode.
794 2000-04-08 Alex Samuel <samuel@codesourcery.com>
796 * ssa.c (convert_to_ssa): Eliminate dead code when calling
798 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
799 (for_each_successor_phi): Change parameter to basic_block.
800 (coalesce_regs_in_successor_phi_nodes): Likewise.
801 (coalesce_regs_in_copies): Likewise.
802 (compute_coalesced_reg_partition): Use basic_block instead of index.
803 * rtl.h (convert_to_ssa): Delete.
804 (convert_from_ssa): Likewise.
805 (successor_phi_fn): Likewise.
806 (for_each_successor_phi): Likewise.
807 (in_ssa_form): Likewise.
808 * basic-block.h (convert_to_ssa): Moved from rtl.h.
809 (convert_from_ssa): Likewise.
810 (successor_phi_fn): Likewise.
811 (in_ssa_form): Likewise.
812 (for_each_successor_phi): Likewise. Change parameter to basic_block.
813 * flow.c (calculate_global_regs_live): Pass a basic_block to
814 for_each_successor_phi.
816 2000-04-08 Richard Henderson <rth@cygnus.com>
818 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
819 was modified in the current insn.
821 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
823 * arm/thumb.md: Delete.
824 * arm/thumb-protos.h: Delete.
826 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
828 Merge changes from merged-arm-thumb-backend-branch onto trunk.
830 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
832 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
835 * arm.md (nop): Use the standard RTL expression. Don't code as a
837 (*arm_nop, *thumb_nop): Delete.
839 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
840 constants. Use casts instead.
841 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
842 output_multi_immediate, arm_poke_function_name): Likewise.
843 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
844 MASK_RETURN_ADDDR): Likewise.
846 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
848 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
851 * arm.md (eh_epilogue): New function.
852 * arm.h (struct machine_function): Move to here ...
853 * arm.c: ... from here.
854 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
855 (thumb_exit): Extra parameter eh_ofs. All callers changed.
856 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
858 2000-03-30 Nick Clifton <nickc@cygnus.com>
860 * config/arm/semi.h (ASM_SPEC): Restore definition.
861 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
863 * config/arm/elf.h (ASM_SPEC): Restore definition.
864 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
866 * config/arm/arm.h (ASM_SPEC): Remove definition.
867 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
869 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
871 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
873 2000-03-24 Nick Clifton <nickc@cygnus.com>
875 Various formating tidyups, elimination of compile time
876 warnings and synchronisation with internal sources:
878 * config/arm/arm-protos.h (assemble_align): Add prototype.
879 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
880 (gen_comapre_reg): Rename to arm_gen_compare_reg.
881 (arm_return_addr_rtx): Rename to arm_return_addr.
883 * config/arm/arm.c: Include except.h.
884 Define shorter typenames for strict minipool_node and struct
886 (arm_return_in_memory): For WinCE return all structures <= 32 bits
888 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
889 (gen_comapre_reg): Rename to arm_gen_compare_reg.
891 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
893 (ASM_SPEC): Define if not already defined.
894 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
896 * config/arm/arm.md: Rename references to gen_rotated_half_load to
897 arm_gen_rotated_half_load, and references to gen_comapre_reg to
899 (indirect_jump): Only accept register operands.
900 (load_indirect_jump): Keep this pattern since combine can generate
903 * config/arm/coff.h: Include aout.h.
904 (MULTILIB_DEFAULTS): Only define if not already defined.
906 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
907 into arm.h (so that COFF ports can support thumb based aliases).
908 (ASM_SPEC): Move definition into arm.h
910 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
912 (ASM_SPEC): Move definition to arm.h
914 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
916 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
917 for entries in the .bss section
919 2000-03-23 Nick Clifton <nickc@cygnus.com>
921 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
922 to thumb_far_jump_used_p.
924 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
925 single integer parameter.
927 * config/arm/arm.c (struct machine_function): Add two new
928 fields, 'far_jump_used' and 'arg_pointer_live'.
929 (thumb_far_jump_used_p): Once the decision has been made that
930 far jumps might be used, always return true.
931 If being called from the initial elimination offset macro then
932 do not bother to perform the test if the arg pointer is not
934 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
935 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
937 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
939 * arm.c (output_return_instruction): Handle more cases where we can
940 return from a function with an ldr instruction.
941 (arm_output_epilogue): Likewise.
943 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
944 if we need to push a large stack frame and there are no callee-saved
947 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
948 in ARM code if the frame pointer has been eliminated.
950 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
951 unspec_volatile arguments to avoid duplicates.
952 (consttable_1, consttable_2): Fixes for big-endian mode.
954 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
957 Re-write constant pool code.
958 * arm.c (minipool_node, minipool_fix): New types.
959 (minifix): Delete type.
960 (arm_add_minipool_constant): Delete.
961 (arm_compute_minipool_offsets, arm_find_barrier,
962 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
963 (get_jump_table_size): Now returns HOST_WIDE_INT.
964 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
966 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
967 (assign_minipool_offsets, arm_print_value): Likewise.
968 (dump_minipool): Rewrite.
969 (arm_barrier_cost): New function.
970 (create_fix_barrier): New function.
971 (push_minipool_barrier): New function.
972 (push_minipool_fix): Record additional information about the fixup
974 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
975 check the mode of what needs fixing.
976 (arm_reorg): Rewrite.
978 2000-03-08 Nick Clifton <nickc@cygnus.com>
980 * config/arm/arm.md (indirect_jump): Force constant addresses into
983 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
985 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
987 2000-02-24 Nick Clifton <nickc@cygnus.com>
989 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
990 adjust is word aligned.
991 (thumb_expand_epilogue): Make sure that stack adjust is word
994 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
996 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
998 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
999 pointer relative addresses.
1001 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
1003 * arm.c (find_barrier): Find the last barrier within the allowed
1006 2000-02-09 Nick Clifton <nickc@cygnus.com>
1008 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
1010 2000-02-09 Nick Clifton <nickc@cygnus.com>
1012 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
1013 ARM_FUNCTION_PROFILER.
1015 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
1016 ARM_FUNCTION_PROFILER.
1018 * config/arm/linux-oldld.h: Imported from mainline sources.
1020 2000-02-07 Nick Clifton <nickc@cygnus.com>
1022 * config/arm/lib1funcs.asm: Merge in thumb functions from
1025 * config/arm/lib1thumb.asm: Delete.
1027 2000-02-04 Nick Clifton <nickc@cygnus.com>
1029 * config/arm/arm.c: Sychronised with current Red hat local
1031 * config/arm/arm.h: Ditto.
1032 * config/arm/arm-protos.h: Ditto.
1034 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
1036 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
1038 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
1041 2000-02-02 Nick Clifton <nickc@cygnus.com>
1043 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
1045 * config/arm/arm.md (epilogue): Fix rtl checking abort because
1046 (return) was emited using an emit_insn() call.
1048 2000-01-31 Nick Clifton <nickc@cygnus.com>
1050 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
1052 (thumb_exit): Move frame pointer back into hard frame pointer
1053 register if backtracing is being used.
1055 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
1057 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
1060 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
1062 * config/arm/arm.md (neg_pool_offset): Provide default for new
1064 (arm_movsi_insn): Add neg_pool_offset attribute.
1065 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
1066 rtx for the insn that starts the scan and an unsigned long for its
1067 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
1068 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
1069 instructions in *PINSERTED.
1070 (struct minipool_fixup): Add MIN_ADDRESS elt.
1071 (sort_fixups): Compute it.
1072 (arm_reorg): Changes to support inserting pools before the insn to be
1075 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
1077 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
1078 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
1079 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
1081 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
1083 * config/arm/semi.h (TARGET_VERSION): Do not define if already
1085 (TARGET_DEFAULT): Do not define if already defined.
1087 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
1089 * config/arm/arm.md (anddi3): Allow disjoint source operands.
1090 (iordi3): Allow disjoint source operands.
1091 (xordi3): Allow disjoint source operands.
1092 (negdi2): Permit construction for ARM and Thumb.
1093 (arm_negdi2): Renamed version of old negdi2 pattern.
1094 (thumb_negdi2): New pattern: Only permit non-overlapping
1095 source and destination.
1097 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
1099 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
1100 scratch low register so that it will not be deleted.
1102 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
1104 * config/arm/pe.h (ARM_PE): Define.
1106 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
1107 interfacearm attribute if this is a PE toolchain.
1108 (output_return_instruction): Do not emit anything if the function
1109 has the naked attribute set.
1110 (is_called_in_ARM_mode): If the function has the interfacearm
1111 attribute then return true.
1112 (thumb_expand_prologue): Do not generate a prologue for naked
1114 (thumb_expand_epilogue): Do not generate an epilogie for a naked
1116 (output_thumb_prologue): Do not bother if the function is naked.
1117 Strip PE encoding from function name before emitting.
1119 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
1121 * arm.md (pic_load_addr): Fix constraints.
1123 * arm.md (casesi_insn): Fix mis-applied patch.
1125 * arm.md ("core" function unit): Add rules for single- and
1127 (All TARGET_THUMB patterns): Add "type" attribute information
1129 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
1130 the following insn is a CALL.
1132 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
1134 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
1135 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
1136 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
1138 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
1140 * config/arm/linux-gas.h: oops - this file was missed out when the
1141 branch was created...
1143 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
1145 * thumb.c: Deleted. Move contents to ...
1147 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
1149 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
1152 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
1153 declare a prototype for asm_output_align();
1155 * arm.c (thumb_condition_code): Delete.
1156 (arm_print_operand): Always use arm_condition_code array.
1158 * arm.c (thumb_return_addr_rtx): Delete.
1159 (arm_save_machine_status, arm_restore_machine_status): Delete.
1160 (arm_init_machine_status, arm_mark_machine_status): New functions.
1161 (arm_init_expanders): Update accordingly.
1162 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
1163 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
1164 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
1166 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
1168 * configure.in : Fix arm-*-aout target to use new t-arm-aout
1170 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
1173 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
1175 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
1176 stack backtrace structure.
1178 * config/arm/arm-protos.h: Add prototypes for functions defined in
1181 * config/arm/arm.c (arm_override_options): Fix selection of
1182 attributes of default processor.
1184 * config/arm/coff.h: Delete needless #include.
1186 * config/arm/pe.c: Delete unused code.
1188 * config/arm/pe.h (CPP_DEFINES): Delete
1189 (SUBTARGET_CPP_SPEC): Define.
1190 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
1192 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
1194 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
1196 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
1198 (CAN_DEBUG_WITHOUT_FP): Define.
1199 (FIXED_REGISTERS): Make r11 call-saved.
1200 (CALL_USED_REGISTERS): Likewise.
1201 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
1202 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
1203 frame-pointer is required.
1204 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
1205 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
1206 if the target normally needs a stack frame in non-leaf functions.
1207 (use_return_insn): Correct logic for determining when a return
1208 instruction can be used.
1209 (output_return_instruction): Handle the frame-pointer register as
1210 a normal register when not TARGET_APCS_FRAME.
1211 (arm_output_prologue): Likewise.
1212 (arm_output_epilogue): Likewise.
1213 (output_func_epilogue): Likewise.
1214 (arm_expand_prologue): Likewise.
1215 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
1217 * arm.c (use_return_insn): No need to check floating point regs if
1219 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
1220 the code of value stored in the minipool array.
1221 (arm_add_minipool_constant): Likewise.
1223 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1225 * basic-block.h (conflict_graph_enum_fn): K&R fix.
1227 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1229 * tree.c (tree_expr_nonnegative_p): New function.
1231 * tree.h (tree_expr_nonnegative_p): Declare.
1233 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
1234 elide some sign_compare warnings.
1235 (build_conditional_expr): Likewise.
1237 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
1239 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
1241 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
1242 * i386.c (print_operand): Use the proper suffix for a 387 HImode
1243 operand. Abort if a 387 operand has an unsupported size.
1245 2000-04-08 Neil Booth <NeilB@earthling.net>
1247 * cppexp.c (parse_charconst): Null does not end character
1249 * cppinit.c (ISTABLE): Null character handled as whitespace.
1250 * cpplex.c (null_warning): new function.
1251 (skip_string): Emit warning if nulls encountered.
1252 (_cpp_skip_hspace): Emit warning if nulls encountered.
1253 (_cpp_lex_token): Emit warning if nulls encountered. Drop
1257 2000-04-07 Richard Henderson <rth@cygnus.com>
1259 * flow.c (loop_depth): Remove.
1260 (reg_next_use, cc0_live, mem_set_list): Replace with ...
1261 (struct propagate_block_info): New.
1262 (life_analysis): Don't allocate reg_next_use.
1263 (propagate_block_delete_insn): Break out of propagate_block.
1264 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
1265 (propagate_block_delete_libcall): Likewise.
1266 (propagate_block): Create a propagate_block_info struct to pass
1267 to subroutines. Allocate one not two temporary regsets. Don't
1268 clobber memory for const calls. Look for clobbers in
1269 CALL_INSN_FUNCTION_USAGE.
1270 (mark_set_regs): Recognize COND_EXEC.
1271 (mark_set_reg): Break out of mark_set_1.
1272 (mark_used_reg): Break out of mark_used_regs.
1273 (mark_used_regs): Recognize COND_EXEC.
1274 (insn_dead_p): Use propagate_block_info struct.
1275 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
1276 (find_auto_inc, try_pre_increment_1): Likewise.
1277 (print_rtl_with_bb): Dump regs live at end too.
1278 (count_reg_sets_1): Pass in loop_depth.
1279 (count_reg_sets, count_reg_references): Likewise.
1280 (recompute_reg_usage): Provide it.
1282 2000-04-07 Richard Henderson <rth@cygnus.com>
1284 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
1287 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
1289 * cpplib.c (do_elif): Skip the rest of the line if we're
1290 not going to bother evaluating it.
1291 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
1292 to avoid pointless calls to the lexer.
1294 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
1296 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
1298 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
1300 * calls.c (expand_call): emit_queue if we're trying a sibcall.
1302 2000-04-07 Jakub Jelinek <jakub@redhat.com>
1304 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
1306 2000-04-06 Geoff Keating <geoffk@cygnus.com>
1308 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
1309 crtend so they can be multilibbed.
1310 (STAGESTUFF): Remove s-crt and s-crtS.
1312 2000-04-07 Richard Henderson <rth@cygnus.com>
1314 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
1315 if we discover we need a pseudo and no_new_pseudos is true.
1316 * config/alpha/alpha.md (ne:DI insn): New.
1317 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
1319 2000-04-07 Richard Henderson <rth@cygnus.com>
1321 * rtl.def (COND_EXEC): New.
1322 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
1323 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
1325 * genconfig.c (have_cond_arith_flag): Remove.
1326 (have_cond_exec_flag): New.
1327 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
1328 (main): Print HAVE_conditional_execution.
1330 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
1331 (sched_analyze_insn, print_pattern): Likewise.
1332 * reload.c (find_equiv_reg): Likewise.
1333 * rtlanal.c (reg_referenced_p): Likewise.
1334 (note_stores, dead_or_set_regno_p): Likewise.
1335 (reg_overlap_mentioned_p): Rewrite to use a switch.
1337 * ggc.h (struct rtx_def): Forward declare.
1339 * print-rtl.c (debug_rtx_range): New.
1340 * rtl.h (debug_rtx_range): Declare.
1342 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
1344 * gcse.c (gcse_main): Don't rebuild the CFG here.
1345 (delete_null_pointer_checks): Likewise.
1346 * ssa.c (convert_to_ssa): Likewise.
1347 * toplev.c (rest_of_compilation): Do it here instead. Combine
1348 sequential calls to TIMEVAR. Consistently use `insns' instead of
1349 `get_insns()'. Always split insns after reload when optimizing.
1351 * basic-block.h (merge_blocks_nomove): Declare.
1352 (tidy_fallthru_edge): Declare.
1353 * flow.c (merge_blocks_nomove): Document as merging into previous
1354 blocks. Remove cruft from between blocks; remove all edges out of A.
1355 (tidy_fallthru_edge): Export.
1357 2000-04-06 Alex Samuel <samuel@codesourcery.com>
1359 * ssa.c (compute_conservative_reg_partition): Declare with
1361 * toplev.c (clean_dump_file): Remove previously-deleted function
1362 inadvertantly merged back in.
1363 * conflict.c (conflict_graph_add): Use a single call to
1364 htab_find_slot to look up and insert.
1366 2000-04-06 Richard Henderson <rth@cygnus.com>
1368 * genrecog.c (*): Rename _last_insn to last_insn.
1369 (make_insn_sequence): Set the position of the peephole2 C test
1370 to be at the last insn.
1372 2000-04-06 Richard Henderson <rth@cygnus.com>
1374 * flow.c (compute_flow_dominators): Free worklist.
1376 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
1378 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
1380 2000-04-06 Alex Samuel <samuel@codesourcery.com>
1382 * rtl.h (INSN_P): New macro.
1383 (successor_phi_fn): New typedef.
1384 (for_each_successor_phi): New prototype.
1385 (in_ssa_form): New variable.
1386 (PHI_NODE_P): Likewise.
1387 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
1388 phi nodes in successors.
1389 (mark_used_regs): Add PHI case.
1390 (set_phi_alternative_reg): New function.
1391 (life_analysis): Assert that dead code elimination is not selected
1393 * toplev.c (to_ssa_time): New variable.
1394 (from_ssa_time): Likewise.
1395 (compile_file): Zero to_ssa_time and from_ssa_time.
1396 Print time to convert to and from SSA.
1397 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
1398 (print_time): Compute percent fraction as integer.
1399 * ssa.c (PHI_NODE_P): Moved to rtl.h.
1400 (convert_to_ssa): Check if we're already in SSA.
1401 Don't eliminate dead code in life_analysis.
1402 Rerun flow and life analysis at bottom.
1403 (eliminate_phi): Use canonical regnos when adding nodes.
1404 (mark_reg_in_phi): New function.
1405 (mark_phi_and_copy_regs): Likewise.
1406 (convert_from_ssa): Rerun life analysis at top.
1407 Use coalesced partition.
1408 Check for removing a phi node at the end of the block.
1409 (compute_coalesced_reg_partition): New function.
1410 (coalesce_regs_in_copies): Likewise.
1411 (coalesce_reg_in_phi): Likewise.
1412 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
1413 (for_each_successor_phi): Likewise.
1414 (rename_context): New struct.
1415 (rename_block): Use a rename_context with rename_insn_1. When
1416 renaming sets of a subreg, emit a copy of the entire reg first.
1417 (rename_insn_1): Treat data as a rename_context *. Save current
1419 (rename_set_data): Add field set_insn.
1420 * Makefile.in (HASHTAB_H): Move up in file.
1421 (OBSTACK_H): New macro.
1422 (collect2.o): Use OBSTACK_H in dependencies.
1423 (sdbout.o): Likewise.
1424 (emit-rtl.o): Likewise.
1425 (simplify-rtx.o): Likewise.
1426 (fix-header.o): Likewise.
1427 (OBJS): Add conflict.o.
1428 (conflict.o): New rule.
1429 * basic-block.h: Include partition.h.
1430 (conflict_graph): New typedef.
1431 (conflict_graph_enum_fn): Likewise.
1432 (conflict_graph_new): New prototype.
1433 (conflict_graph_delete): Likewise.
1434 (conflict_graph_add): Likewise.
1435 (conflict_graph_conflict_p): Likewise.
1436 (conflict_graph_enum): Likewise.
1437 (conflict_graph_merge_regs): Likewise.
1438 (conflict_graph_print): Likewise.
1439 (conflict_graph_compute): Likewise.
1440 * conflict.c: New file.
1442 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
1444 * tlink.c (read_repo_files): Don't look for .rpo info for
1447 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1449 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
1451 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1453 * config/sh/lib1funcs.asm (___udivsi3_i4):
1454 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
1455 only depends on FMOVD_WORKS.
1457 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1459 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
1460 make double constant 8-byte aligned.
1462 2000-04-06 Jakub Jelinek <jakub@redhat.com>
1464 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
1465 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
1466 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
1467 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
1468 Accept storing GENERAL_REGS into offsetable memory.
1469 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
1470 building a TFmode constant other than 0.0L into GENERAL_REGS.
1472 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
1474 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
1476 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
1478 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
1479 (macro_cleanup): No need to cast pbuf->macro.
1480 (collect_expansion): Use _cpp_get_define_token. Goto done if
1481 it returns VSPACE. Remove check for trailing space after
1483 (_cpp_create_definition): Don't diddle flags here. Return
1485 (unsafe_chars): Handle c1 being EOF.
1486 (push_macro_expansion): Use unsafe_chars for both accidental-paste
1487 checks. Don't push the buffer till after we're done with
1489 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
1490 (PEEKN, FORWARD, GETC, PEEKC): Use them.
1491 (cpp_push_buffer): Don't set new->alimit. Set new->mark
1493 (_cpp_parse_assertion): Don't NUL terminate.
1494 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
1495 hspace before calling _cpp_parse_assertion. Remove all sets
1496 of only_seen_white. Treat '\f' as hspace. Don't do anything
1497 special with '\n' here.
1498 (maybe_macroexpand): Handle T_EMPTY hash entries without
1499 pushing a buffer at all.
1500 (cpp_get_token): Handle clearing only_seen_white here. Handle
1501 incrementing the line number here. Clear
1502 potential_control_macro as well as only_seen_white, if
1504 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
1505 (_cpp_get_define_token): New function, basically like
1506 _cpp_get_directive_token was but doesn't eat horizontal space.
1507 Don't do anything with only_seen_white here.
1508 (_cpp_get_directive_token): Just call _cpp_get_define_token
1509 repeatedly till it returns non-hspace.
1511 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
1512 (conditional_skip, skip_if_group): Return int.
1513 (DIRECTIVE_TABLE): Change origin of all conditional directives
1515 (TRAD_DIRECT_P): New macro.
1516 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
1517 an error for a bogus directive, unless -lang-asm. Use
1518 TRAD_DIRECT_P. Loop calling handler functions till one returns
1520 (get_macro_name): Don't diddle flags here.
1521 (do_define): Diddle flags here. Use _cpp_get_directive_token.
1522 Create T_EMPTY nodes for #define macro /* nothing */.
1523 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
1524 Use hp->name when calling pass_thru_directive.
1525 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
1526 Return the result of conditional_skip and/or skip_if_group.
1527 Don't call _cpp_output_line_command.
1528 (consider_directive_while_skipping): Use _cpp_get_directive_token.
1529 Issue -Wtraditional warnings as appropriate. Don't complain
1530 about unrecognized directives. If we are to stop skipping,
1531 return the number of the directive that ended the skip.
1532 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
1533 expansion and line commands while skipping. Return the result
1534 of consider_directive_while_skipping, if nonzero.
1535 (do_endif): Just set potential_control_macro here.
1536 (validate_else): Use _cpp_get_directive_token.
1537 (do_assert, do_unassert): Don't save pointers into the
1538 token_buffer across calls to the lexer. Use
1539 _cpp_get_directive_token.
1541 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
1542 pointer, not an offset. Replace 'data', which was a generic
1543 pointer, with 'macro', which points to a struct hashnode.
1544 (cpp_reader): Add 'potential_control_macro' pointer.
1545 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
1546 (CPP_BUF_GET, CPP_FORWARD): Delete.
1547 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
1548 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
1549 ACTIVE_MARK_P): Update.
1550 (_cpp_get_define_token): New internal function.
1551 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
1553 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
1555 * configure.in: And here.
1556 * configure: Regenerate.
1557 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
1558 --enable-libstdcxx-v3 is passed at configure time.
1559 * config.h.in: Regenerate.
1561 2000-04-05 Mark Mitchell <mark@codesourcery.com>
1563 * final.c (final): Use xcalloc to allocate line_note_exists.
1564 * function.c (free_after_compilation): Free the temp_slots.
1565 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
1566 (combine_temp_slot): Free temp_slots when they get combined.
1567 (purge_addressof): Fix typo in comment.
1568 * stmt.c (mark_goto_fixup): Mark the fixup itself.
1569 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
1571 * ggc.h: Include varray.h.
1572 (ggc_pending_trees): Declare.
1573 (ggc_mark_tree_children): Remove declaration.
1574 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
1575 * ggc-common.c (ggc_pending_trees): New variable.
1576 (ggc_mark_roots): Call ggc_mark_trees.
1577 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
1578 the ggc_pending_trees.
1579 * Makefile.in (GGC_H): New variable. Use it throughout in place
1582 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1584 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
1587 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1589 * sh.c (sh_insn_length_adjustment): New function.
1590 * sh-protos.h (sh_insn_length_adjustment): Declare.
1591 * sh.h (ADJUST_INSN_LENGTH): Use it.
1593 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
1595 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
1596 from the insn where REG_RETVAL is added.
1597 (emit_no_conflict_block): Ditto.
1599 * md.texi (Standard Names): Clarify when movX is needed.
1601 * combine.c (simplify_comparison) [MINUS]: Do not replace
1602 all (op (minus A B) 0) with (op A B).
1604 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
1605 J"orn Rennecke <amylaar@cygnus.co.uk>
1607 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
1608 (block_lump_real): Likewise.
1610 2000-04-05 Chris Demetriou <cgd@netbsd.org>
1612 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
1613 remaining non-zero debugging masks.
1615 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
1617 * basic-block.h (verify_flow_info): Declare.
1618 (flow_loop_outside_edge_p): Declare.
1619 * flow.c (verify_flow_info): Remove declaration.
1620 (clear_log_links, flow_loop_outside_edge_p): Likewise.
1622 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
1624 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
1627 2000-04-05 Jakub Jelinek <jakub@redhat.com>
1629 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
1630 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
1631 seqdi_zero_trunc+1): Allow splits only if registers are
1634 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
1636 * acconfig.h: Add HAVE_GAS_HIDDEN.
1637 * config.in: Regenerated.
1638 * configure.in: Add test for .hidden pseudo-op in gas.
1639 * configure: Regenerated.
1640 * crtstuff.c: Include auto-host.h.
1641 Emit additional .hidden pseudo-op for __dso_handle if the
1642 assembler knows about it.
1644 2000-04-04 Philippe De Muyter <phdm@macqel.be>
1646 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
1647 before freeing argnames.
1648 * cpplib.c (do_ifndef): Cast return value of xstrdup.
1650 2000-04-05 Michael Meissner <meissner@redhat.com>
1652 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
1653 Walton <jonboy@gordian.com> to make memory references with update
1654 work wtih -mregnames.
1656 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1658 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
1659 (regrename_optimize): Rename variables `def_uses' and
1660 `ext_basic_blocks' to avoid conflicts with similarly named
1661 typedefs in traditional C.
1663 * calls.c (initialize_argument_information): Fix typo in previous
1666 2000-04-04 Richard Henderson <rth@cygnus.com>
1668 * regrename.c (consider_available): Test fixed_regs not
1669 PIC_OFFSET_TABLE_REGNUM.
1671 2000-04-04 Geoff Keating <geoffk@cygnus.com>
1673 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
1675 (CRTSTUFF_T_CFLAGS_S): Delete definition.
1676 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
1677 (ENDFILE_LINUX_SPEC): Always use crtend.
1678 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
1679 (powerpc-*-linux-gnu): Likewise.
1680 * configure: Regenerate.
1682 * config/rs6000/eabi.h: Don't include sysv4.h.
1683 (MULTILIB_DEFAULTS): Don't define.
1684 * config/rs6000/eabiaix.h: Don't include eabi.h.
1685 * config/rs6000/eabile.h: Delete.
1686 * config/rs6000/eabilesim.h: Delete.
1687 * config/rs6000/eabisim.h: Don't include eabi.h.
1688 * config/rs6000/linux.h: Don't include sysv4.h.
1689 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
1690 (MULTILIB_DEFAULTS): Don't redefine.
1691 * config/rs6000/rtems.h: Don't include eabi.h.
1692 * config/rs6000/sol2.h: Don't include sysv4le.h.
1693 * config/rs6000/sysv4le.h: Don't include sysv4.h.
1694 * config/rs6000/t-ppc: Delete.
1695 * config/rs6000/t-ppcgas: Correct comment.
1696 * config/rs6000/t-ppcos: Correct comment. Don't build
1697 multilibs for -fPIC, rather use -fPIC -mstrict-align
1699 * config/rs6000/t-ppc: Delete.
1700 * config/rs6000/vxppc.h: Don't include sysv4.h.
1701 * config/rs6000/vxppcle.h: Delete.
1702 * configure.in: Use multiple header files for p2pc ELF targets
1703 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
1704 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
1705 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
1706 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
1707 always available for these platforms.
1709 2000-04-04 Richard Henderson <rth@cygnus.com>
1711 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
1713 2000-04-04 Stan Cox <scox@cygnus.com>
1715 * Makefile.in: Add rules for regrename.o
1716 * regrename.c: New file.
1717 * rtl.h (regrename_optimize): Add prototype.
1718 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
1719 (compile_file, decode_d_option): Add support for -frename-registers.
1720 (rest_of_compilation): Call regrename_optimize.
1721 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
1724 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1726 * Makefile (gccbug): New target.
1727 (doc): Depend on it.
1728 * gcc.texi (Bugs): Link subnodes.
1730 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
1731 Document severities, priorities, and classes in bug form.
1733 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1735 * cpplex.c (trigraph_map, speccase): Combine into single
1737 (NORMAL, NONTRI): New macros.
1738 (_cpp_read_and_prescan): Change to use unified table. Use
1739 is_hspace to test for whitespace.
1741 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1742 definition that doesn't provoke the "empty body in an
1743 if-statement" warning.
1745 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1747 * builtins.c (expand_builtin_strlen): Force the source to
1748 be a memory address.
1750 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1752 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1754 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1756 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1757 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1758 (ECF_IS_CONST): Rename to ECF_CONST.
1759 (special_function_p): Make static, change interface.
1760 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1761 (expand_call) ... here; convert number of variables to flags.
1762 (emit_library_call_vlue_1): Likewise.
1763 (setjmp_call_p): New function.
1764 (initialize_argument_information): Accepts flags as argument;
1766 (precompute_arguments): Likewise.
1767 * tree.h (special_function_p): Remove.
1768 (setjmp_call_p): Add prototype.
1770 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1772 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1773 so that addresses are offsetable by up to 16 bytes.
1774 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1775 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1778 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1779 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1780 (movsf): Don't force any constant to memory if target is integer
1782 Move fp_zero_operand check below the const0_rtx check.
1783 (movtf): Likewise. Also allow fp_zero_operand for stores into
1785 (movdf): Likewise. Also allow fp_zero_operand for stores into
1786 memory and into integer hard registers.
1787 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1788 movdf_const_intreg_sp64): Remove.
1789 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1791 (movdf_no_e_insn_v9_sp32): New pattern.
1792 (movdf_insn_v9only): Remove.
1793 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1794 (movdf_insn_sp64): Remove.
1795 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1796 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1797 (following splits): Rewrite conditions. Add two new splits
1798 for storing 0.0 into memory and registers.
1799 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1800 (movtf_insn_sp32): Redo constraints and conditions.
1801 (movtf_insn_vis_sp32): New pattern.
1802 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1803 (movtf_insn_hq_sp64): Likewise.
1804 (movtf_insn_hq_vis_sp64): New pattern.
1805 (movtf_insn_sp64): Redo constraints and conditions.
1806 (movtf_insn_vis_sp64): New pattern.
1807 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1808 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1810 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1811 -mvis or -m64 to take down the number of various reload patterns.
1813 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1815 * pa/pa-64.h: New file.
1816 * pa/pa64-regs.h: New file.
1817 * pa/pa64-start.h: New file.
1818 * pa/t-pa64: New file.
1819 * pa/xm-pa64hpux.h: New file.
1821 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1823 * sparc.c (output_restore_regs): Prototype.
1824 (sparc_emit_float_lib_cmp): Constification.
1826 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1828 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1831 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1832 (get_value_hash, hash_rtx): Likewise.
1834 * ssa.c (compute_conservative_reg_partition): Prototype.
1836 * tree.c (mark_hash_entry): Prototype.
1838 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1840 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1841 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1842 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1844 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1845 * objc/lang-specs.h: Likewise.
1847 2000-04-03 Neil Booth <NeilB@earthling.net>
1849 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1850 and SYNTAX_ERROR2. Replace `' in messages with ''.
1851 (op_to_str): Make re-entrant.
1852 (_cpp_parse_expr): Implement new error macros. Use | rather
1853 than || to logically or 2 boolean integers. Simply expression
1854 checking we have a left operand iff needed.
1856 2000-04-03 Nick Clifton <nickc@cygnus.com>
1858 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1860 2000-04-03 Philip Blundell <philb@gnu.org>
1862 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1864 2000-04-03 Felix Lee <flee@cygnus.com>
1866 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1867 (run_shell): Use it.
1869 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1871 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1872 (stmp-fixproto): ...rather than here.
1874 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1876 * pa.c (print_operand): Compute 'base' only inside the code paths
1879 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1881 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1884 2000-04-03 Philipp Thomas <pthomas@suse.de>
1886 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1888 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1890 * Makefile.in (alias.o): Depend on $(TREE_H).
1892 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1894 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1896 * cpplib.c (_cpp_handle_directive): Improve warnings for
1897 traditional C and indented directives.
1899 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1900 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1901 fixinc/inclhack.def: Indent the # of #include_next one space.
1902 * cp/rtti.c: Un-indent #if and #endif.
1904 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1905 syntax error, but an error has already been printed.
1906 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1907 message when called with nothing remaining on the line.
1908 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1909 OTHER token, not an ASSERTION.
1910 * cpplib.c (do_assert): When we create a 'base' node, clear
1911 its aschain pointer.
1913 2000-04-02 Neil Booth <NeilB@earthling.net>
1915 * cppexp.c: New typedef op_t. struct operation and struct
1916 token updated to use it.
1917 (op_to_str): New function.
1918 (_cpp_parse_expr): Error messages modified to use op_to_str.
1920 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1922 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1923 before checking MUST_PASS_IN_STACK.
1925 2000-04-02 Neil Booth <NeilB@earthling.net>
1927 * cppexp.c: New FINISHED dummy token. Combine operator initial
1928 flags and initial priority into a single constant. New
1929 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1930 (_parse_cpp_expr): Implement new constants. Take left operand
1931 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1932 parse indicated by reducing FINISHED token. Remove new lines
1933 from cpp_error messages.
1935 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1937 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1940 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1942 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1943 directive. Add origin values to DIRECTIVE_TABLE. Generate
1944 the strings and function names on the fly. Take the #sccs
1945 entry out of the table if SCCS_DIRECTIVE is not defined.
1946 (_cpp_handle_directive): Decide if the # was at the beginning
1947 of the line here. Issue -pedantic warnings for extended
1948 directives here. Warn about K+R directives with the #
1949 indented, and C89/extended directives with the # not indented,
1951 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1952 do_assert, do_unassert): Don't issue pedantic warning here.
1954 * cpphash.h: Add CPP_WTRADITIONAL macro.
1955 * cpplib.h (struct cpp_options): Rename warn_stringify to
1956 warn_traditional; update comments.
1957 * cppinit.c (handle_option): Set warn_traditional not
1959 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1960 CPP_WTRADITIONAL (pfile).
1961 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1962 be ignored in -traditional mode here.
1964 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1965 to initialize speccase[] and trigraph_map[]. Delete all
1966 references to pfile->input_speccase. Always treat '?' as a
1967 special character. Remove table-initialization code from
1968 _cpp_init_input_buffer.
1970 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1971 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1973 2000-04-01 Richard Henderson <rth@cygnus.com>
1975 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1976 (mostlyclean): Likewise.
1978 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1979 (struct dump_file_info, enum dump_file_index, dump_file): New.
1980 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1981 not a string. Clean out file if we havn't yet done so. Do nothing
1982 if the dump isn't enabled.
1983 (close_dump_file): Do nothing if the dump isn't open. Dump
1984 graph data if requested.
1985 (dump_rtl, clean_dump_file): Remove.
1986 (compile_file): Don't clean the dump files. Only finalize .bp dump
1987 if flag_test_coverage or flag_branch_probabilities. Only finalize
1988 .combine dump if optimizing. Iterate over dump_file to finalize the
1990 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1991 Convert all uses of dump_rtl.
1992 (decode_d_option): Iterate over dump_file to implement 'a' and to
1993 locate pass-specific dumps.
1995 2000-04-01 Neil Booth <NeilB@earthling.net>
1997 * cppexp.c: Redefine priority constants.
1998 (_cpp_parse_expr): Replace left and right priority scheme with
1999 single priority logic. Move LOGICAL to same place as COMPARE.
2000 Remove bogus check for multiple unary +/- operators.
2002 2000-04-01 Neil Booth <NeilB@earthling.net>
2004 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
2005 within the switch statement. Binary operations break out of
2006 the switch naturally. '(' tokens handled by forcing
2007 immediate shift. ')' handled by forcing immediate reduce to
2008 the previous '('. New error messages.
2010 2000-03-31 Geoff Keating <geoffk@cygnus.com>
2012 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
2013 part', it's already in use. Use %K instead. Add a return at the
2014 end of what is now %K.
2015 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
2017 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2019 * builtins.c (expand_builtin_apply): Pass proper parameters to
2020 allocate_dynamic_stack_space.
2021 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
2022 update stack_pointer_delta; do not update arg_size_so_far.
2023 (compute_argument_block_size): Use stack_delta instead of
2024 stack_pointer_pending and arg_size_so_far.
2025 (expand_call): Add sanity checking for stack_pointer_delta;
2026 save and restore stack_pointer_delta for SIB, use
2027 stack_pointer_delta for alignment; do not update arg_space_so_far.
2028 (emit_library_call_value): Use stack_pointer_delta for alignment.
2029 (store_one_arg): Do not update arg_space_so_far.
2030 * explow.c (adjust_stack, anti_adjust_stack): Update
2031 stack_pointer_delta.
2032 (allocate_dynamic_stack_space): Add sanity checking for
2033 stack_pointer_delta.
2034 * expr.c (init_expr, clear_pending_stack_adjust): Clear
2035 stack_pointer_delta.
2036 (emit_push_insn): Update stack_pointer_delta.
2037 * function.h (struct expr_status): Add x_stack_pointer_delta;
2038 remove x_arg_space_so_far.
2039 (arg_space_so_far): Remove.
2040 (stack_pointer_delta): New macro.
2042 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
2044 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
2045 Reorder struct cpp_options and struct cpp_reader for better
2046 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
2047 takes two args. Change all 'char' flags to 'unsigned char'.
2048 Move show_column flag into struct cpp_options. Don't
2049 prototype cpp_options_init.
2050 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
2051 cppinit.c, cpplex.c, cpplib.c:
2052 Replace CPP_OPTIONS (pfile)->whatever with
2053 CPP_OPTION (pfile, whatever), and likewise for
2054 opts = CPP_OPTIONS (pfile); ... opts->whatever;
2056 * cppinit.c (merge_include_chains): Take a cpp_reader *.
2057 Extract CPP_OPTION (pfile, pending) and work with that
2059 (cpp_options_init): Delete.
2060 (cpp_reader_init): Turn on on-by-default options here.
2061 Allocate the pending structure here.
2062 (cl_options, enum opt_code): Define these from the same table,
2063 kept in a large macro. Add -fshow-column and -fno-show-column
2066 * cpperror.c (v_message): If show_column is off, don't print
2069 * cppmain.c: Update for new interface.
2070 * fix-header.c: Likewise.
2072 2000-03-30 Geoff Keating <geoffk@cygnus.com>
2074 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
2076 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
2077 are passed to any invocation of AR_FOR_TARGET.
2078 (AR_CREATE_FOR_TARGET): New macro.
2079 (AR_EXTRACT_FOR_TARGET): New macro.
2080 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
2081 AR_EXTRACT_FOR_TARGET.
2082 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
2083 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
2084 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
2085 AR_EXTRACT_FOR_TARGET to sub-makes.
2087 2000-03-31 Neil Booth <NeilB@earthling.net>
2089 * cppexp.c: Delete SKIP_OPERAND. Correct priority
2091 (_cpp_parse_expr): Check for multiple unary +/- operators.
2092 Correct priorities of ':' and '?'. Treat ')' as having a
2093 value. Ensure conditional expression is not void.
2095 2000-03-31 Mark Mitchell <mark@codesourcery.com>
2097 * alias.c (canon_rtx): Make it global.
2098 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
2100 * cse.c (struct table_elt): Add canon_exp.
2102 (invalidate): Canonicalize expressions only once.
2103 * rtl.h (canon_rtx): Declare.
2105 2000-03-30 Mark Mitchell <mark@codesourcery.com>
2107 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
2108 * alias.c (reg_known_value): Add comments.
2109 (init_alias_analysis): Likewise.
2110 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
2112 (cse_basic_block): Fix typo in comment.
2113 * emit-rtl.c: Include hashtab.h.
2114 (const_int_htab): New variable.
2115 (const_int_htab_hash): New function.
2116 (const_int_htab_eq): Likewise.
2117 (rtx_htab_mark_1): Likewise.
2118 (rtx_htab_mark): Likewise.
2119 (gen_rtx_CONST_INT): Cache all CONST_INTs.
2120 (unshare_all_rtx): Fix formatting.
2121 (init_emit_once): Initialize const_int_htab.
2122 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
2124 * rtl.texi: Document the fact that all CONST_INTs with the same
2127 2000-03-30 Richard Henderson <rth@cygnus.com>
2129 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
2131 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
2133 * configure.in: Comment out --enable-c-cpplib stanza.
2134 * configure: Regenerate.
2136 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2138 * expr.c (store_constructor): Properly compute displacement and
2139 alignment when offset is variable.
2141 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
2142 cases of alignment in bytes.
2144 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
2146 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
2147 since it is used to generate c-parse.y.
2148 * objc-parse.c, objc-parse.y: Regenerated.
2150 * function.c (expand_function_end): Pass alignment argument to
2151 emit_block_move in bits, not bytes.
2153 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2155 * expr.c (move_by_pieces_ninsns): Fix one more missing align
2158 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
2160 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
2161 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
2162 * function.c (assign_parms): Likewise.
2163 * integrate.c (expand_inline_function): Likewise.
2164 * stmt.c (expand_decl): Likewise.
2165 (copy_rtx_and_substitute): Likewise.
2166 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
2167 (clear_by_pieces): Fix error in last change.
2168 * emit-rtl.c (init_emit): Set known registers alignment in bits.
2169 * function.h (regno_pointer_align): Now unsigned.
2170 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
2172 * config/i386/i386.c (aligned_operand): Likewise.
2173 * config/sparc/sparc.c (mem_min_alignment): Likewise.
2174 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
2175 (unaligned_memory_operand): Likewise.
2176 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2177 Also make alignments and sizes unsigned and some whitespace cleanup.
2178 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
2180 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
2181 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
2182 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
2183 (expand_builtin_memset): Likewise, but to clear_storage.
2184 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
2185 (restore_fixed_argument_area): Likewise.
2186 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
2187 (load_register_parameters): Likewise, to emit_group_load.
2188 (expand_call): Likewise, to emit_group_store and emit_block_move.
2189 (emit_library_call_value_1): Likewise, to emit_block_move.
2190 (store_one_arg): Likewise, and to emit_push_insn.
2191 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
2192 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
2193 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
2194 (emit_block_move, emit_group_load, emit_group_store): Likewise.
2195 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
2196 (expand_assigment, store_expr, store_constructor_field): Likewise.
2197 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
2198 (store_constructor, store_field, get_inner_reference): Likewise.
2199 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
2200 (expand_expr, case COMPONENT_REF): Likewise.
2201 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
2202 and positions; reindent code.
2203 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
2204 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
2205 (assign_parms): Likewise to emit_group_store.
2206 * optabs.c (prepare_cmp_insn): Alignment is in bits.
2207 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
2208 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
2209 (expand_return): Likewise to {extract,store}_bit_field.
2210 * stor-layout.c (get_mode_alignment): Minor cleanup.
2211 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
2212 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
2214 2000-03-29 Nick Clifton <nickc@cygnus.com>
2216 * config/arm/arm.h: Undo effects of previous delta:
2217 (ASM_SPEC): Do not define.
2218 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
2220 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
2223 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
2225 * cppinit.c (cpp_start_read): Call initialize_dependency_output
2226 only after reading in the primary source file.
2228 2000-03-29 Geoff Keating <geoffk@cygnus.com>
2230 * c-common.c (c_common_nodes_and_builtins): The first parameter to
2231 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
2232 or a reference to a va_list.
2233 * builtins.c (stabilize_va_list): Simplify now we don't have to
2234 work around C array address decay.
2235 * c-typeck.c (convert_for_assignment): Handle assignment to
2236 a reference parameter by taking the address of the RHS.
2237 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
2238 (va_copy): Likewise.
2239 (__va_copy): Likewise.
2240 * ginclude/varargs.h (va_start): Likewise.
2241 (__va_copy): Likewise.
2243 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
2245 * i386/djgpp.h: Remove extraneous "+".
2247 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
2249 * calls.c (expand_call): Fix typo in last change.
2251 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
2253 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
2256 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2258 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
2259 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
2260 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
2261 * tree.c (bit_position, byte_position): Likewise.
2262 * tree.h: Declare new functions.
2264 2000-03-29 Nick Clifton <nickc@cygnus.com>
2266 * config/arm/arm.c: Minor formatting changes/
2267 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2269 (ASM_SPEC): Define if not already defined.
2271 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
2273 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
2276 2000-03-29 Jakub Jelinek <jakub@redhat.com>
2278 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
2279 value, don't output it as unsigned.
2281 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
2283 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
2285 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2287 * c-common.c (c_common_nodes_and_builtins): Don't special case
2288 cplus_mode when declaring builtin bzero/bcmp, always avoid
2289 prototype arguments.
2291 2000-03-29 Bruce Korb <bkorb@gnu.org>
2293 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
2296 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
2298 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
2299 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
2300 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
2301 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
2302 (save_fixed_argument_area, restore_fixed_argument_area):
2303 conditionize by #ifdef REG_PARM_STACK_SPACE only.
2304 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
2305 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
2306 (precompute_register_parameters): Avoid #ifdefs on
2307 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
2308 (stire_one_args): Likewise.
2309 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
2310 (emit_library_call_value_1): Likewise.
2311 (compute_argument_block_size): Align to STACK_BOUNDARY only for
2312 ACCUMULATE_OUTGOING_ARGS.
2313 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
2315 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
2316 (use_crosses_set_p): Likewise.
2317 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
2318 #define ACCUMULATE_OUTGOING_ARGS 1.
2319 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
2321 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
2323 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
2324 (TARGET_SWITCHES): Add push-args, no-push-args,
2325 accumulate-outgoing-args and no-accumulate-outgoing-args.
2326 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
2327 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
2328 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
2330 (emit_push_insn): Likewise.
2331 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
2332 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
2333 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
2334 (STACK_DYNAMIC_OFFSET): Define correctly for both
2335 ACCUMULATE_OUTGOING_ARGS and normal mode.
2336 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
2337 * tm.texi (PUSH_ARGS): Document.
2338 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
2340 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
2342 * flags.h (flag_optimize_sibling_calls): Declare.
2343 * calls.c (expand_call): Fail sibcall when
2344 !flag_optimize_sibling_calls
2345 * invoke.texi (flag_optimize_sibling_calls): Document.
2346 * toplev.c (flag_optimize_sibling_calls): New global variable.
2347 (f_options): Add flag_optimize_sibling_calls.
2348 (rest_of_compilation): Conditionize
2349 optimize_sibling_and_tail_recursive_calls by
2350 flag_optimize_sibling_calls.
2351 (main): Set flag_optimize_sibling_calls for -O2.
2352 * stmt.c (expand_return): Conditionize tail recursion by
2353 flag_optimize_sibling_calls.
2355 2000-03-29 Richard Henderson <rth@cygnus.com>
2357 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
2358 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
2360 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
2362 * except.c (add_eh_table_entry): Mark type_info's as referenced.
2364 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2366 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
2368 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
2369 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
2370 * config/rs6000/aix.h: then modified likewise.
2372 2000-03-28 Richard Henderson <rth@cygnus.com>
2374 * rtl.h: Redistribute enum reg_note documentation.
2375 Kill trailing whitespace.
2376 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
2377 Kill trailing whitespace.
2379 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
2381 * cppfiles.c (hash_IHASH): Just return i->hash.
2382 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
2383 htab_find_with_hash.
2384 (cpp_read_file): Likewise.
2385 (find_include_file): Likewise. Properly initialize
2386 ih->nshort. Share ih->name and ih->nshort if possible.
2387 * cpphash.c (_cpp_calc_hash): New function.
2388 (hash_HASHNODE): Just return h->hash.
2389 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
2390 htab_find_with_hash.
2391 * cpphash.h: Prototype _cpp_calc_hash.
2392 * cppinit.c (initialize_builtins): Provide a valid hash
2393 to _cpp_make_hashnode, using _cpp_calc_hash.
2395 * cpphash.c (collect_expansion): # is not a special character
2396 in object-like macros. In -traditional mode, /**/ is not
2397 token paste at the beginning or end of the line.
2398 * cpplib.c (do_include, do_import, do_include_next): If
2399 parse_include fails, return immediately.
2401 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
2403 * config/arm/arm.md (return peepholes): Update to reflect the new
2405 * config/arm/arm.c (arm_volatile_func): Also check
2406 current_function_nothrow.
2407 (output_return_instruction, output_func_prologue): Use it.
2408 (arm_output_epilogue, arm_expand_prologue): Likewise.
2410 2000-03-27 Tom Tromey <tromey@cygnus.com>
2412 * gcc.c (handle_braces): In {x*...} case, break out of loop if
2415 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2417 * expr.c (store_constructor): SIZE now signed.
2418 For EXPR_SIZE, don't evaluate size; just needed if constant.
2419 * fold-const.c (fold): Fix a number of cases when folded tree is
2421 * function.c (flush_addressof): Reenable.
2422 * tree.h (flush_addressof): Likewise.
2423 * toplev.c (independent_decode_option): Look at strings_processed.
2424 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
2426 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
2428 * sibcall.c (indentify_call_return_value): Find last call in the chain;
2429 Allow stack adjustment after function call.
2431 * regmove.c (struct csa_memlist): Make mem field rtx *.
2432 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
2433 (try_apply_stack_adjustment): Replace whole MEM rtx.
2434 (combine_stack_adjustments_for_block): Update calls
2435 to record_one_stack_ref.
2437 2000-03-28 Neil Booth <NeilB@earthling.net>
2439 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
2440 '\\' rather than a null character, so nulls are not special. Fix
2441 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
2442 speed trigraph conversion.
2443 (_cpp_init_input_buffer): Initialize trigraph map.
2445 2000-03-27 Alan Modra <alan@linuxcare.com.au>
2447 * config/i386/i386.c (output_387_binary_op): Correct intel
2448 mode assembly output, and add spaces after commas in AT&T
2449 output. Correct Unixware assembler comment. Document input
2450 constraints. Comment fp operations. Reduce profligate buffer
2451 size. Remove extraneous abort. Localize temp var.
2452 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
2453 (output_fix_trunc): Add spaces after commas in assembly output.
2455 2000-03-27 Richard Henderson <rth@cygnus.com>
2457 * i386-protos.h (ix86_match_ccmode): Declare.
2458 * i386.c (ix86_match_ccmode): New.
2459 (ix86_expand_fp_compare): Update for pattern renames.
2460 (ix86_expand_strlensi_unroll_1): Likewise.
2461 * i386.h (EXTRA_CC_MODES): Add CCZ.
2462 (SELECT_CC_MODE): Use it for EQ/NE zero.
2463 * i386.md (cmpsi_ccz_1): New.
2465 (*testsi_ccz_1): New.
2466 (testqi_ccz_1): New.
2467 (cmpsi_ccno_1): Rename from cmpsi_0.
2468 (testsi_ccno_1): Rename from testsi_1.
2469 (testqi_ccno_1): Rename from testqi_1.
2470 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
2471 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
2472 (*cmphi_0): Use ix86_match_ccmode.
2473 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
2474 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
2475 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
2476 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
2477 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
2478 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
2479 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
2480 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
2481 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
2482 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
2483 (appropriate peepholes): Likewise.
2484 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
2485 (*subsi_3, *subhi_3, *subqi_3): Remove.
2486 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
2487 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
2488 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
2489 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
2490 (x86_shift_adj_1): Use CCZ.
2491 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
2493 2000-03-27 Stan Cox <scox@cygnus.com>
2495 * resource.h (mark_resource_type): New.
2496 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
2497 find_free_register): Use mark_resource_type.
2498 (mark_set_resources): Change include_delayed_effects
2499 to mark_resource_type.
2500 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
2501 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
2502 Use mark_resource_type.
2504 2000-03-27 Richard Henderson <rth@cygnus.com>
2506 * i386.md (call_pop_0, call_value_pop_0): New.
2507 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
2508 (call_value_pop_1): Likewise.
2509 (call_0, call_value_0): New.
2510 (call_1, call_value_1): Remove constraint from unused arg.
2512 2000-03-27 Nick Clifton <nickc@cygnus.com>
2514 * invoke.texi (Spec Files): Document new spec % command created by
2515 Tom Tromey's recent patch.
2517 2000-03-27 Jakub Jelinek <jakub@redhat.com>
2519 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
2522 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2524 * expr.c (expand_assignment): Fix typo in last change.
2526 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
2528 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2530 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
2531 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
2532 and DECL_INLINE if FUNCTION_DECL.
2533 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
2534 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
2535 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
2536 (combine_parm_decls): Likewise.
2537 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
2538 * print-tree.c (print_node): Likewise.
2539 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
2540 DECL_TRANSPARENT_UNION on proper decl types.
2541 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
2542 * stor-layout.c (layout_decl): Only check DECL_PACKED and
2543 DECL_BIT_FIELD of FIELD_DECL.
2544 * tree.h (DECL_RESULT_FLD): New macro.
2546 * expr.c (expand_assignment): Add code to handle variable-sized
2549 2000-03-26 Richard Henderson <rth@cygnus.com>
2551 * calls.c (expand_call): Pass parms not original exp to
2552 optimize_tail_recursion. Mind return value instead of looking
2554 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
2555 call_expr. Move checks for call_expr and current_function_decl ...
2556 (expand_return): ... here.
2558 2000-03-26 Tom Tromey <tromey@cygnus.com>
2560 * gcc.c (handle_braces): Recognize `%{<S}' construct.
2561 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
2563 (process_command): Use them.
2564 (check_live_switch): Likewise.
2565 (give_switch): Skip ignored switches.
2567 2000-03-26 Jan Hubicka <jh@suse.cz>
2569 * jump.c (jump_optimize_1): Fix typo in elide optimizations
2570 for minimal jump pass test.
2572 2000-03-26 Mark Mitchell <mark@codesourcery.com>
2574 * integrate.c (function_cannot_inline_p): Do inline functions that
2577 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2579 * stor-layout.c (layout_type, set_sizetype): early_type_list is
2580 now a list of TREE_LIST entries, not types.
2581 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
2583 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
2584 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
2586 * config/mips/mips.c (function_arg): Likewise; also remove cast
2587 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
2588 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
2589 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
2590 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
2591 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
2592 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
2593 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
2594 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
2595 num_adjusts now unsigned.
2596 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
2597 * config/sparc/sparc.c (struct function_arg_record_value_parms):
2599 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
2600 as is BITPOS variable; use host_integerp and int_bit_position.
2601 (function_arg_record_value_2): Likewise.
2602 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
2603 Variable REGNO now unsigned.
2604 (function_arg_record_value): NREGS now unsigned.
2606 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2608 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
2610 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2612 * Rework fields used to describe positions of bitfields and
2613 modify sizes to be unsigned and use HOST_WIDE_INT.
2614 * alias.c (reg_known_value_size): Now unsigned.
2615 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
2616 (really_start_incremental_init): Use bitsize_zero_node.
2617 (push_init_level, pop_init_level, output_init_element): Likewise.
2618 Use bitsize_unit_node and bitsize_one_node.
2619 (output_pending_init_elements, process_init_element): Likewise.
2620 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
2621 (make_extraction): Position and length HOST_WIDE_INT and unsigned
2622 HOST_WIDE_INT, respectively.
2623 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
2624 (num_sign_bit_copies): Returns unsigned.
2625 BITWIDTH now unsigned; rework arithmetic.
2626 Remove recursive call from arg to MAX.
2627 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
2628 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
2630 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
2631 (find_split_point, expand_compound_operation, make_extraction): LEN
2632 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
2633 (make_field_assignment): Likewise.
2634 (combine_simplify_rtx): Add cast.
2635 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
2636 (force_to_mode): WIDTH now unsigned; add cast.
2637 (if_then_else_cond): SIZE now unsigned.
2638 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
2639 (extended_count): Now returns unsigned.
2640 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
2641 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
2642 (simplify_comparison): MODE_WIDTH now unsigned.
2643 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
2644 (mark_used_regs_combine): Likewise; rework arithmetic.
2645 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
2646 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
2647 (record_promoted_value): REGNO now unsigned.
2648 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
2649 (get_last_value): REGNO now unsigned.
2650 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
2651 (reg_dead_regno, reg_dead_endregno): Now unsigned.
2652 (remove_death): Arg REGNO now unsigned.
2653 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
2654 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
2656 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
2657 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
2658 (struct cse_reg_info): REGNO now unsigned.
2659 (cached_regno): Now unsigned.
2660 (REGNO_QTY_VALID_P): Add cast.
2661 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
2662 (remove_invalid_regs): Likewise.
2663 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
2664 as are variables END and I.
2665 (get_cse_reg_info, insert): Likewise.
2666 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
2667 (canon_hash): Likewise.
2668 (insert_regs, lookup_for_remove): REGNO now unsigned.
2669 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
2671 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
2672 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
2673 * emit-rtl.c (subreg_realpart_p): Add cast.
2674 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
2675 (operand_subword_force): Arg I is now unsigned.
2676 * except.c (eh_regs): Variable I is now unsigned.
2677 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
2678 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
2679 length is unsigned HOST_WIDE_INT; likewise for internal variables.
2680 (store_split_bit_field, extract_fixed_bit_field): Likewise.
2681 (extract_split_bit_field, store_bit_field, extract_bit_field):
2683 * expr.c (store_constructor_fields, store_constructor, store_field):
2684 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
2685 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
2686 (do_jump): Likewise.
2687 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
2688 MAX_SIZE is now unsigned.
2689 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
2690 (emit_group_store): Likewise.
2691 (emit_move_insn): I now unsigned.
2692 (store_constructor): Use host_integerp, tree_low_cst, and
2694 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
2695 Rework all calculations to use trees and new fields.
2696 * expr.h (promoted_input_arg): Regno now unsigned.
2697 (store_bit_field, extract_bit_field): Adjust types of pos and size.
2698 (mark_seen_cases): Arg is HOST_WIDE_INT.
2699 * flow.c (verify_wide_reg_1): REGNO now unsigned.
2700 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
2701 precisions and alignments are unsigned.
2702 (optimize_bit_field_compare, fold_truthop): Likewise.
2703 (int_const_binop): Adjust threshold for size_int_type_wide call.
2704 (fold_convert): Likewise.
2705 (size_int_type_wide): Make table larger and fix thinko that only
2706 had half of table used.
2707 (all_ones_mask_p, fold): Precisions are unsigned.
2708 * function.c (put_reg_info_stack): REGNO is unsigned.
2709 (instantiate_decl): Size is HOST_WIDE_INT.
2710 (instantiate_virtual_regs): I is unsigned.
2711 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
2712 (promoted_input_arg): REGNO is unsigned.
2713 * function.h (struct function): x_max_parm_reg is now unsigned.
2714 * gcse.c (max_gcse_regno): Now unsigned.
2715 (struct null_pointer_info): min_reg and max_reg now unsigned.
2716 (lookup_set, next_set): REGNO arg now unsigned.
2717 (compute_hash_table): REGNO and I now unsigned.
2718 (handle_avail_expr): regnum_for_replacing now unsigned.
2719 (cprop_insn): REGNO now unsigned.
2720 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
2721 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
2722 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
2723 * hard-reg-set.h (reg_class_size): Now unsigned.
2724 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
2725 * jump.c (mark_modified_reg): I now unsigned; add cast.
2726 (rtx_equal_for_thread_p): Add cast.
2727 * loop.c (max_reg_before_loop): Now unsigned.
2728 (struct_movable): REGNO now unsigned.
2729 (try_copy_prop): REGNO arg unsigned.
2730 (regs_match_p): XN and YN now unsigned.
2731 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
2732 (strength_reduce): Likewise; NREGS also unsigned.
2733 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2734 * loop.h (struct iv_class): REGNO now unsigned.
2735 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2737 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2738 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2739 * optabs.c (expand_binop): I and NWORDS now unsigned.
2740 (expand_unop): I now unsigned.
2741 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2742 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2743 * real.c (significand_size): Now returns unsigned.
2744 * real.h (significand_size): Likewise.
2745 * regclass.c (reg_class_size): Now unsigned.
2746 (choose_hard_reg_mode): Both operands now unsigned.
2747 (record_reg_classes): REGNO and NR now unsigned.
2748 (reg_scan): NREGS now unsigned.
2749 (reg_scan_update): old_max_regno now unsigned.
2750 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2751 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2752 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2753 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2754 Likewise for variable R.
2755 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2756 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2757 (find_equiv_reg): Add casts.
2758 (regno_clobbered_p): Arg REGNO now unsigned.
2759 * reload.h (struct reload): NREGS now unsigned.
2760 (refers_to_regno_for_reload_p): Regno args are unsigned.
2761 (regno_clobbered_p): Likewise.
2762 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2763 (compute_use_by_pseudos): REGNO now unsigned.
2764 (find_reg): I and J now unsigned, new variable K, and change loop
2765 variables accordingly; THIS_NREGS now unsigned.
2766 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2767 (spill_hard_reg): REGNO arg now unsigned; add casts.
2768 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2769 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2770 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2771 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2772 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2773 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2774 (emit_reload_insns): REGNO now unsigned.
2775 (reload_cse_move2add): Add cast.
2776 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2778 * resource.c (mark_referenced_resources, mark_set_resources): New
2779 variable R; REGNO and LAST_REGNO now unsigned.
2780 (mark_target_live_regs): J and REGNO now unsigned.
2781 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2782 * rtl.h (union rtunion_def): New field rtuint.
2783 (XCUINT): New macro.
2784 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2785 (operand_subword, operand_subword_force): Word number is unsigned.
2786 (choose_hard_reg_mode): Operands are unsigned.
2787 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2788 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2789 (regno_use_in, combine_instructions, remove_death): Likewise.
2790 (reg_scan, reg_scan_update): Likewise.
2791 (extended_count): Return is unsigned.
2792 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2793 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2794 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2795 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2796 (reg_reg_last_1): FIRS and LAST now unsigned.
2797 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2798 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2800 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2801 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2802 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2803 (replace_regs): Arg NREGS now unsigned.
2804 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2805 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2806 (simplify_binary_operation): Likewise.
2807 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2808 THIS_LAST now unsigned.
2809 (cselib_record_set): Add cast.
2810 * ssa.c (ssa_max_reg_num): Now unsigned.
2811 (rename_block): REGNO now unsigned.
2812 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2814 (all_cases_count): Just return -1 not -2.
2815 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2816 Rework tests to use trees whenever possible.
2817 Use host_integerp and tree_low_cst.
2818 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2819 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2820 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2821 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2822 (smallest_mode_for_size): Likewise.
2823 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2824 KNOWN_ALIGN is now an alignment, so simplify code.
2825 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2826 (start_record_layout): Renamed from new_record_layout_info.
2827 Update to new fields.
2828 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2830 (place_union_field): Renamed from layout_union_field.
2831 Update to use new fields in rli.
2832 (place_field): Renamed from layout_field.
2833 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2834 (finalize_record_size): Rework to use new fields in rli and handle
2836 (compute_record_mode): Rework to simplify and to use new DECL fields.
2837 (finalize_type_size): Make rounding more consistent.
2838 (finish_union_layout): Deleted.
2839 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2840 (layout_type, case RECORD_TYPE): Call new function names.
2841 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2842 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2843 (get_best_mode): UNIT is now unsigned; remove casts.
2844 * tree.c (bit_position): Compute from new fields.
2845 (byte_position, int_byte_position): New functions.
2846 (print_type_hash_statistics): Cast to remove warning.
2847 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2848 (build_index_type): Likewise; make subtype of sizetype.
2849 (build_index_2_type): Pass sizetype to build_range_type.
2850 (build_common_tree_nodes): Use size_int and bitsize_int to
2851 initialize nodes; add bitsize_{zero,one,unit}_node.
2852 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2853 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2854 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2855 (DECL_FIELD_BITPOS): Deleted.
2856 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2857 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2858 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2859 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2860 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2861 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2862 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2863 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2864 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2865 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2866 (DECL_ALIGN): Adjust to new field in union.
2867 (DECL_OFFSET_ALIGN): New field.
2868 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2869 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2870 (union tree_decl): Add struct for both aligns.
2871 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2872 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2873 (struct record_layout_info): Rework fields to have offset
2874 alignment and byte and bit position.
2875 (start_record_layout, place_field): Renamed from old names.
2876 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2877 (byte_position, int_byte_position): Likewise.
2878 (get_inner_reference): Change types of position and length.
2879 * unroll.c (unroll_loop): New variable R; use for some loops.
2880 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2881 (calculate_giv_inc): Arg REGNO now unsigned.
2882 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2883 * varasm.c (assemble_variable): Clean up handling of size using
2884 host_integerp and tree_low_cst.
2885 (decode_addr_const): Use byte, not bit, position.
2886 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2887 use tree_low_cst and int_bit_position.
2888 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2890 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2892 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2893 (reorder_block_def): New members eff_head and eff_end.
2894 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2895 (verify_insn_chain): New function.
2896 (skip_insns_between_block): Add code to skip deleted insns.
2897 Check for note before using.
2898 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2899 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2900 Check for note before using.
2901 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2902 (fixup_reorder_chain): Restructure, clean up, defect removal.
2903 (reorder_basic_blocks): Remove last_insn and references to it.
2904 Moved insn chain verification code into a new function (see above).
2905 Delete defective code that sets last insn.
2906 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2909 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2911 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2913 2000-03-24 Richard Henderson <rth@cygnus.com>
2915 * tree.c (lang_safe_for_unsave): Remove.
2916 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2917 allowing for two levels of unsafeness. Remove lang hook.
2918 * tree.h: Update declarations.
2919 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2920 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2921 Always fail sibcalls when there are pending cleanups.
2923 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2925 * flow.c (propagate_block): When we delete an ADDR_VEC,
2926 also delete the BARRIER following it if there is one.
2928 2000-03-24 Richard Henderson <rth@cygnus.com>
2930 * builtins.c (expand_builtin_bzero): Convert `length' argument
2933 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2935 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2936 comparison if regno's are equal.
2937 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2938 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2939 (expand_call): Update caller.
2940 Avoid making a sibling call if argument size of the callee is larger
2941 than argument size of the caller.
2942 Call hard_function_value with outgoing set if in sibcall pass.
2943 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2945 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2946 Change LEAF_REGISTERS from an array initializer to actual array
2947 identifier. Move static global variable into the function.
2948 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2949 sequences for leaf functions.
2950 * global.c (global_alloc): Likewise.
2951 * tm.texi (LEAF_REGISTERS): Update documentation.
2953 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2954 TARGET_FLAT leaf disabling hack.
2955 (LEAF_REGISTERS): Changed from an array initializer to actual array
2956 identifier to avoid duplication and remove the above hack.
2957 (FUNCTION_OK_FOR_SIBCALL): Define.
2958 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2959 always like call attribute.
2960 (eligible_for_sibcall_delay): New attribute.
2961 (sibcall): New delay type.
2962 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2963 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2964 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2965 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2966 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2968 (output_function_epilogue): Move part of the code into
2969 output_restore_regs.
2970 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2972 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2975 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2976 until infrastructure is finished.
2978 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2980 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2981 (save_parm_insns): Not here.
2983 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2985 * builtins.c (expand_builtin_bzero): New function.
2986 (expand_builtin): Handle bzero.
2988 * builtins.def: Add BUILT_IN_BZERO.
2990 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2991 prototype & function for bzero.
2993 2000-03-23 Michael Meissner <meissner@redhat.com>
2995 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2996 change adding TARGET_FP to the TF floating point insns, except for
2997 trunctfsf2, which generates direct calls to truncdfsf2.
2999 2000-03-23 Geoff Keating <geoffk@cygnus.com>
3001 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
3002 try to protect against middle-end changes that break binary
3004 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
3006 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3008 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
3010 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3012 * calls.c (expand_call): If TARGET is passed by reference and
3013 is readonly, write a CLOBBER.
3015 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3017 * builtins.c (expand_builtin): Handle bcmp.
3019 * builtins.def: Add BUILT_IN_BCMP.
3021 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3022 prototype & function for bcmp.
3024 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
3026 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
3027 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
3028 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
3030 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
3032 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
3033 alternative when using -fp64 -gp32.
3035 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
3037 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
3038 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
3039 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
3041 * frame.h (frame_state): Revert last change.
3042 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
3043 * libgcc2.c (throw_helper): Revert last change.
3045 2000-03-22 Richard Henderson <rth@cygnus.com>
3047 * stmt.c (expand_asm_operands): Don't promote the temporary.
3049 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3051 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
3052 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
3053 c_get_alias_set): Likewise.
3054 * c-decl.c (duplicate_decls): Likewise.
3055 * c-typeck.c (default_conversion,build_unary_op): Likewise.
3056 * calls.c (initialize_argument_information): Likewise.
3057 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
3059 * dwarfout.c (decl_class_context,output_type): Likewise.
3060 * expr.c (get_inner_reference): Likewise.
3061 * fold-const.c (simple_operand_p,fold): Likewise.
3062 * function.c (aggregate_value_p): Likewise.
3063 * stmt.c (expand_asm_operands): Likewise.
3064 * varasm.c (named_section): Likewise.
3066 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
3068 Implement dwarf2 exception handling for the ARM.
3069 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
3070 (DWARF_FRAME_RETURN_COLUMN): Define.
3071 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
3072 REG_FRAME_RELATED_EXPR note.
3073 (emit_sfm): Likewise.
3074 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
3075 * dwarf2out.c (reg_save): Handle saving a register to itself.
3076 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
3077 * except.c (eh_regs): Don't use the static chain reg if it's
3079 * frame.h (frame_state): Add cfa_saved field.
3080 * frame.c (execute_cfa_insn): Set it.
3081 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
3083 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
3085 (instantiate_virtual_regs): Adjust.
3087 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
3088 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
3089 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
3091 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
3092 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
3094 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3096 * builtins.def: New file.
3098 * Makefile.in (TREE_H): Depend on builtins.def.
3100 * builtins.c (built_in_names): Use builtins.def.
3102 * tree.h (built_in_function): Likewise.
3104 2000-03-22 Mark Mitchell <mark@codesourcery.com>
3106 * tree.c (size_in_bytes): Return size_zero_node, not
3109 2000-03-22 Geoff Keating <geoffk@cygnus.com>
3111 * config/fp-bit.c (pack_d): Correct the case when a denormal
3112 is rounded up and stops being denormal.
3114 2000-03-21 Richard Henderson <rth@cygnus.com>
3116 * config/alpha/alpha.c (function_arg): Check for void_type_node
3117 before using MUST_PASS_IN_STACK.
3119 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
3121 * regmove.c (combine_stack_adjustments_for_block): Check that
3122 the stack pointer is a valid memory address.
3124 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
3126 * calls.c: re-install Mar 16 emit_library_call merge.
3128 2000-03-21 Jakub Jelinek <jakub@redhat.com>
3130 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
3131 we cannot be sure that if reload_completed base register will
3132 be properly aligned.
3134 2000-03-21 Richard Henderson <rth@cygnus.com>
3136 * flow.c (delete_block): Fix typo last change.
3138 2000-03-21 Mark Mitchell <mark@codesourcery.com>
3140 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
3141 not COMPLETE_TYPE_P, to check the type of the expression.
3143 2000-03-21 Michael Meissner <meissner@redhat.com>
3145 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
3146 all floating point insns that just tested the macro
3147 TARGET_HAS_XFLOATING_LIBS.
3148 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
3149 used to only use the gprs.
3151 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
3153 * tree.h (COMPLETE_TYPE_P): New macro.
3154 (COMPLETE_OR_VOID_TYPE_P): New macro.
3155 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
3156 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
3157 * c-aux-info.c (gen_type): Use them.
3158 * c-common.c (c_expand_expr_stmt): Likewise.
3159 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
3160 grokdeclarator, grokparms, finish_struct, start_function,
3161 store_parm_decls, combine_parm_decls): Likewise.
3162 * c-parse.y (cast_expr): Likewise.
3163 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
3164 c_size_in_bytes, c_alignof, build_component_ref,
3165 build_indirect_ref, build_array_ref, convert_arguments,
3166 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
3167 * calls.c (initialize_argument_information): Likewise.
3168 * convert.c (convert_to_integer): Likewise.
3169 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
3170 * dwarfout.c (location_or_const_value_attribute,
3171 output_enumeration_type_die, output_structure_type_die,
3172 output_union_type_die, output_type): Likewise.
3173 * expr.c (safe_from_p, expand_expr): Likewise.
3174 * function.c (assign_parms): Likewise.
3175 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
3176 * tree.c (build_array_type, build_function_type,
3177 build_method_type, build_offset_type, build_complex_type): Likewise.
3178 * c-parse.c, c-parse.h: Regenerated.
3180 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3182 * config/c4x/rtems.h: Include config/rtems.h.
3184 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
3186 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
3187 decl is a FUNCTION_DECL
3189 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
3191 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
3192 function uses output registers. Don't save RP for leaf functions.
3193 Do save RP even if no epilogue.
3194 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
3195 (CALL_USED_REGISTERS): Unmark in registers.
3196 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
3199 2000-03-20 Geoff Keating <geoffk@cygnus.com>
3201 * config/rs6000/rs6000.md (bunordered): New expander.
3202 (bordered): New expander.
3203 (buneq): New expander.
3204 (bunge): New expander.
3205 (bungt): New expander.
3206 (bunle): New expander.
3207 (bunlt): New expander.
3208 (bltgt): New expander.
3210 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
3211 (ccr_bit_negated_p): New function.
3212 (print_operand): For %C, generate appropriate cror for UNEQ,
3213 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
3215 2000-03-20 Andreas Jaeger <aj@suse.de>
3217 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
3220 * tree.h (safe_for_unsave): Prototype.
3222 2000-03-20 Richard Henderson <rth@cygnus.com>
3224 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
3225 (combine_stack_adjustments_for_block): Don't allow sp references
3226 in the side of a set we're not fixing up.
3227 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
3228 after life_analysis.
3230 2000-03-20 Richard Henderson <rth@cygnus.com>
3232 * calls.c (expand_call): Don't bother generating tail call
3233 sequences if there are pending cleanups. Use
3234 expand_start_target_temps/expand_end_target_temps to elide
3235 cleanups created during sibcall expansion.
3237 2000-03-20 Geoff Keating <geoffk@cygnus.com>
3239 * configure.in: Set $IFS to a value if it doesn't already have one
3240 in the --enable-checking handling.
3241 * configure: Regenerate.
3243 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3245 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
3246 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3249 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
3251 * jump.c (delete_noop_moves): Remove code attempting to
3252 combine stack adjustments.
3254 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3256 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
3257 * except.c (emit_cleanup_handler): Use them.
3258 (expand_end_all_catch): Likewise.
3259 * function.c (fixup_var_refs): Likewise.
3260 (expand_function_end): Clear catch_clauses_last.
3261 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
3262 * except.h (struct eh_status): New field x_catch_clauses_last.
3263 (catch_clauses_last): New define.
3265 * Makefile.in (tree.o): Depend on HASHTAB_H.
3266 * tree.c: Include hashtab.h.
3267 (struct type_hash): Remove next field.
3268 (TYPE_HASH_SIZE): Remove.
3269 (TYPE_HASH_INITIAL_SIZE): New define.
3270 (type_hash_table): Change type to htab_t.
3271 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
3272 mark_hash_entry): New functions.
3273 (init_obstacks): Allocate type hash.
3274 (type_hash_lookup): Use htab functions.
3275 (type_hash_add, mark_type_hash): Likewise.
3276 (dump_tree_statistics): Call print_type_hash_statistics.
3278 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3280 * rs6000/t-aix41: New file.
3282 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
3284 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
3286 * tm.texi (Driver): Fix typos and tweak entry for
3288 Move misplaced STRUCT_FORCE_BLK entry ...
3289 (Storage Layout): ... to here.
3290 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
3292 2000-03-19 Richard Henderson <rth@cygnus.com>
3294 * flow.c (delete_block): Delete the addr_vec along with the block.
3295 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
3298 * fold-const.c (extract_muldiv): Apply type check for defined
3299 overflow to multiply as well as divide.
3301 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
3303 2000-03-18 Mark Mitchell <mark@codesourcery.com>
3305 * emit-rtl.c (remove_unncessary_notes): Check that all
3306 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
3307 associated NOTE_BLOCK.
3308 * function.h (identify_blocks): Update comments.
3309 (reorder_blocks): Declare.
3310 * function.c (identify_blocks): Don't take paramters.
3311 (reorder_blocks): Don't take parameters.
3312 * loop.h (find_loop_tree_blocks): Remove.
3313 (unroll_block_trees): Likewise.
3314 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
3315 reorder_blocks instead of unroll_block_trees.h
3316 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
3317 * stmt.c (find_loop_tree_blocks): Remove.
3318 (unroll_block_trees): Likewise.
3319 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
3320 in whole-function mode.
3321 * tree.h (reorder_blocks): Remove declaration.
3323 * expr.c: Include intl.h.
3324 * Makefile.in (expr.o): Depend on intl.h.
3326 2000-03-18 Richard Henderson <rth@cygnus.com>
3328 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
3330 2000-03-18 Mark Mitchell <mark@codesourcery.com>
3332 * tree.h (tree_index): Remove enumerals for integer types.
3333 (integer_type_kind): New type.
3334 (integer_types): New variable.
3335 (char_type_node): Adjust.
3336 (signed_char_type_node): Likewise.
3337 (unsigned_char_type_node): Likewise.
3338 (short_integer_type_node): Likewise.
3339 (short_unsigned_type_node): Likewise.
3340 (integer_type_node): Likewise.
3341 (unsigned_type_node): Likewise.
3342 (long_integer_type_node): Likewise.
3343 (long_unsigned_type_node): Likewise.
3344 (long_long_integer_type_node): Likewise.
3345 (long_long_unsigned_type_node): Likewise.
3346 * tree.c (integer_types): New variable.
3347 (init_obstacks): Register it as a root.
3349 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
3351 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
3352 NEXT_INSN. Update last insn in chain.
3354 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
3356 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
3357 with TYPE_DECL_SUPPRESS_DEBUG set.
3359 2000-03-18 Richard Henderson <rth@cygnus.com>
3361 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
3363 2000-03-18 Richard Henderson <rth@cygnus.com>
3365 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
3366 care for HALF_PIC_P.
3367 (expander_call_insn_operand): Remove.
3368 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
3369 * i386.h (PREDICATE_CODES): Update.
3370 * i386.md (all call expanders): Remove predicates, remove special
3371 handling for half-pic.
3372 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
3373 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
3374 (sibcall_epilogue): New.
3376 2000-03-17 Richard Henderson <rth@cygnus.com>
3378 * rtlanal.c (single_set): Reject if the parallel has anything
3379 except SET or USE or CLOBBER.
3381 2000-03-17 Jeff Law <law@cygnus.com>
3382 Richard Henderson <rth@cygnus.com>
3384 * Makefile.in (OBJS): Add sibcall.o.
3386 * sibcall.c: New file.
3387 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
3388 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
3389 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
3390 Emit sibcall patterns when requested. Update all callers.
3391 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
3392 elimination seems feasable.
3393 * final.c (leaf_function_p): Sibling calls don't discount being
3395 * flow.c (HAVE_sibcall_epilogue): Provide default.
3396 (find_basic_blocks_1): Sibling calls don't throw.
3397 (make_edges): Make edge from sibling call to EXIT.
3398 (propagate_block): Don't remove sibcall_epilogue insns.
3399 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
3400 (sibcall_epilogue): New.
3401 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
3402 (identify_blocks_1): Likewise. Break out from ...
3403 (identify_blocks): ... here.
3404 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
3405 (reorder_blocks): ... here.
3406 (init_function_for_compilation): Zap prologue/epilogue as varrays.
3407 (record_insns): Extend a varray instead of mallocing new memory.
3408 (contains): Read a varray not array of ints.
3409 (sibcall_epilogue_contains): New.
3410 (thread_prologue_and_epilogue_insns): Emit and record
3411 sibcall_epilogue patterns.
3412 (init_function_once): Allocate prologue/epilogue varrays.
3413 * genflags.c (gen_insn): Treat sibcall patterns as calls.
3414 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
3416 (save_for_inline_nocopy): ... here.
3417 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
3419 (expand_inline_function): ... here.
3420 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
3421 (subst_constants): Handle 'n' formats.
3422 * jump.c (jump_optimize_minimal): New.
3423 (jump_optimize_1): New arg `minimal'; update callers. Elide most
3424 optimizations if it's set.
3425 * rtl.c (copy_rtx): Do copy jump & call for insns.
3426 * rtl.h (struct rtx_def): Document use of jump and call for insns.
3427 (SIBLING_CALL_P): New.
3428 (sibcall_use_t): New.
3429 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
3430 Invoke optimize_sibling_and_tail_recursive_calls.
3431 * tree.c (lang_safe_for_unsave): New.
3432 (safe_for_unsave): New.
3433 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
3435 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
3436 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
3437 (*sibcall_osf_1, *sibcall_value_osf_1): New.
3439 2000-03-17 Mark Mitchell <mark@codesourcery.com>
3441 * objc/objc-act.c (encode_method_prototype): Pass types, not
3442 PARM_DECLs, to int_size_in_bytes.
3444 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
3446 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
3448 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
3449 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
3451 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3453 * Clean up usages of TREE_INT_CST_LOW.
3454 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
3455 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3457 * c-tree.h (min_precision): Move declaration to here.
3458 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
3459 (build_unary_op, add_pending_init): Use bit_position.
3460 (pending_init_member, process_init_element): Likewise.
3461 (really_start_incremental_init, push_init_level, pop_init_level):
3462 Don't make copies of nodes or modify them in place, use consistent
3463 types when tracking positions, and use tree routines computations.
3464 (set_init_index, output_init_element): Likewise.
3465 (output_pending_init_elements, process_init_element): Likewise.
3466 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
3467 tree_low_cst and int_bit_position; also minor cleanup.
3468 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
3469 (print_cst_octal): Precision is unsigned.
3470 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
3471 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
3472 (simple_type_align_in_bits): Result is unsigned int.
3473 Use tree_int_low_cst and host_integerp.
3474 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
3475 (field_byte_offset): Result is HOST_WIDE_INT.
3476 Change types of internal variables so alignments are unsigned int,
3477 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
3478 Use host_integerp, tree_low_cst, and int_bit_position.
3479 (add_bit_offset_attribute): Likewise.
3480 (add_data_member_location_attribute): Use tree_cst_low.
3481 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
3482 (add_bit_size_attribute): Use tree_low_cst.
3483 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
3484 * dwarfout.c: Similar changes to dwarf2out.c.
3485 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
3486 * genoutput.c (n_occurences): Return -1 for null string.
3487 (strip_whitespace): Accept null string and make into function.
3488 (scan_operands): Reflect above changes.
3489 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
3490 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
3491 * ssa.c (rename_registers): Add missing cast of arg to bzero.
3492 * tree.c (int_size_in_bytes): Check for too big to represent.
3493 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
3494 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
3496 (min_precision): Delete from here.
3497 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
3498 and int_bit_position.
3499 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
3500 (encode_method_def): Likewise.
3501 (build_ivar_list_initializer): Use int_bit_position.
3502 (generate_shared_structures): Convert size.
3503 (encode_type, encode_complete_bitfield): Use integer_zerop.
3504 (encode_bitfield): Use tree_low_cst and int_bit_position.
3506 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3508 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
3510 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3512 * call.c (special_function_p): It is only malloc if it returns
3515 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3517 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
3518 (C33_FLAG, TARGET_C3X): Add macros.
3519 (TARGET_SWITCHES): Add -m33 option.
3520 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
3522 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3524 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
3525 (PARALLEL_PACK_FLAG): Delete.
3526 (TARGET_SWITCHES): Update.
3527 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
3529 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3531 * fold-const.c (fold): Fix a few cases when the returned result
3532 is not of the same type as the input.
3534 2000-03-16 Nick Clifton <nickc@cygnus.com>
3536 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
3539 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3541 * libgcc2.h: Move prototypes above macros with the same name.
3542 Wrap some function prototypes in the conditional which indicates
3543 whether they are supported, i.e. "BITS_PER_UNIT == 8".
3545 2000-03-16 Richard Henderson <rth@cygnus.com>
3547 * calls.c: Revert last two changes.
3549 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
3551 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
3552 has exponent 0 is a zero.
3554 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
3555 HASH may already be nonzero. Add code/mode into hash value
3556 immediately after repeat label.
3557 (cselib_lookup): Don't leave the hash table in an inconsistent
3558 state before a hash lookup operation.
3560 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
3562 * i386.md (all HI and QI mode non-move patterns): Conditionize
3563 by TARGET_[HQ]IMODE_MATH.
3564 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3565 x86_promote_qi_regs): Declare.
3566 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
3567 TARGET_PROMOTE_QI_REGS): New macros.
3568 (PROMOTE_MODE): New macro.
3569 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
3570 x86_promote_qi_regs): New global variables.
3572 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
3574 * calls.c (emit_library_call_value_1): Break out from ...; handle
3575 VOIDmode function calls too.
3576 (emit_library_call_value): ... here.
3577 (emit_library_call): Implement by calling emit_library_call_value_1.
3579 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
3581 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
3582 Update arg_space_so_far on stack adjustments.
3583 (emit_library_call, emit_library_call_value): Likewise; take into
3584 account arg_space_so_far and pending_stack_adjust when calculcating
3587 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
3589 * flow.c: Move all basic block reordering code into its own file.
3590 (create_basic_block): Externalize.
3591 * bb-reorder.c: New file. Copy all basic block reordering code from
3592 flow.c to this file.
3593 (reorder_basic_blocks): Fix fencepost error in for-loop.
3594 (reorder_basic_blocks): Remove braces from single statement for-loops.
3595 * basic-block.h: Add declaration for create_basic_block.
3596 * Makefile.in: Add rules for bb-reorder.o.
3598 2000-03-16 Neil Booth <NeilB@earthling.net>
3600 * cppinit.c (handle_option): Implement #unassert directive
3601 as -A- command line option.
3602 (print_help): Update.
3603 * cpptexi.c: Update.
3605 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
3607 * md.texi (Standard Names): Document `jump'.
3609 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
3611 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
3614 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3616 Merge changes from newppc-branch onto trunk.
3618 2000-03-15 Geoff Keating <geoffk@cygnus.com>
3620 * rs6000.c (toc_hash_table): Update for new hash table functions.
3621 (toc_hash_function): Likewise.
3622 (toc_hash_eq): Likewise.
3623 (toc_hash_mark_entry): Likewise.
3624 (toc_hash_mark_table): Likewise.
3625 (output_toc): Likewise.
3626 (rs6000_add_gc_roots): Likewise.
3628 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3630 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
3631 (AR_FLAGS_FOR_TARGET): here. New macro.
3633 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
3635 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
3636 fpmem_operand) Delete.
3638 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
3639 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
3640 (rs6000_save_machine_status, rs6000_restore_machine_status,
3641 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
3642 references to above variables.
3643 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
3644 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
3645 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
3646 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
3647 (XER_REGNO_P, XER_REGNO): New.
3648 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
3649 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
3650 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
3652 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3653 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
3654 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
3656 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3658 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
3659 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
3660 * rs6000.h: from here.
3662 * rs6000-protos.h (rs6000_select_section): Provide prototype.
3663 (rs6000_select_rtx_section): Likewise.
3664 (rs6000_encode_section_info): Likewise.
3665 (sdata_section): Likewise.
3666 (sdata2_section): Likewise.
3667 (sbss_section): Likewise.
3668 * sysv4.h (rs6000_select_section): Delete prototype.
3669 (rs6000_select_rtx_section): Likewise.
3670 (rs6000_encode_section_info): Likewise.
3671 (sdata_section): Likewise.
3672 (sdata2_section): Likewise.
3673 (sbss_section): Likewise.
3674 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
3676 * sysv4.h: Delete various unnecessary #undef's and put a comment
3677 on the remaining ones.
3678 Change various comments according to coding standard.
3680 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
3682 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
3683 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
3684 (CR0_REGNO_P) Remove.
3685 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
3686 setup_incoming_varargs, mtcrf_operation, print_operand,
3687 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
3688 Use the above macros.
3690 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
3692 * config/rs6000/rs6000.md: Added a new alternative for each
3693 pattern that had a 'x' alternative but no 'y' alternative.
3694 Added a new split for each of the above patterns.
3696 2000-02-18 Geoff Keating <geoffk@cygnus.com>
3698 * aix41.h (ASM_CPU_SPEC): Delete.
3699 (CPP_CPU_SPEC): Delete.
3701 * aix.h (RS6000_OUTPUT_BASENAME): Define.
3702 (ASM_OUTPUT_LABEL): Define.
3703 (ASM_GLOBALIZE_LABEL): Define.
3704 (STRIP_NAME_ENCODING): Define.
3705 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
3706 (STRIP_NAME_ENCODING): Don't define.
3707 (ASM_OUTPUT_LABEL): Don't define.
3708 (ASM_GLOBALIZE_LABEL): Don't define.
3709 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
3710 names, and ASM_OUTPUT_LABEL to output labels, rather than
3712 (ASM_OUTPUT_LABEL): Define.
3713 (ASM_OUTPUT_INT): Use assemble_name.
3714 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
3715 (STRIP_NAME_ENCODING): Don't undefine first.
3716 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
3718 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
3719 specified with 'asm' even with -fleading-underscore.
3720 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
3721 (output_epilog): Likewise.
3722 (output_toc): Likewise.
3723 * tramp.asm: Handle -fleading-underscore correctly.
3725 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
3727 (nonlocal_goto_receiver): Delete.
3728 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
3730 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
3731 (SET_ASM_OP): Define.
3732 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
3734 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
3737 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
3738 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
3740 * rs6000.h: Add 'u' to more constants.
3742 2000-02-18 David Edelsohn <edelsohn@gnu.org>
3744 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
3746 2000-02-15 David Edelsohn <edelsohn@gnu.org>
3748 * rs6000.c (reg_or_u_cint_operand): New function.
3749 (logical_operand): Handle 64-bit hosts.
3750 (logical_u_operand): New function.
3751 (non_logical_cint_operand): Handle 64-bit hosts.
3752 (non_logical_u_cint_operand): New function.
3753 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
3754 (PREDICATE_CODES): Define new functions.
3755 * rs6000-protos.h: Declare new functions.
3756 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
3757 (movdi_64): Bracket code intended for 64-bit hosts. Create
3758 CONST_DOUBLE for 32-bit values.
3759 (scc insns): Generate DImode compares.
3760 (mfcr insns): Create DImode versions.
3761 (sge matchers): New patterns.
3763 2000-02-15 Gabriel Paubert <paubert@iram.es>
3765 * rs6000.md: Correct instructions length attributes and
3766 constraints on unsigned compare instructions.
3767 (*ne0): Disable for PowerPC64.
3769 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3771 * rs6000.c (output_function_profiler): Use .long for a 32-bit
3772 quantity, fix profile1.C test failure under -fPIC.
3774 * rs6000.c: Add 'u' to many constants to suppress warnings.
3775 (constant_pool_expr_1): Make static.
3776 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
3777 * rs6000.h: Add 'u' to many constants to suppress warnings.
3779 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
3780 for the start of the TOC, instead of LCTOC..0.
3781 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
3783 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
3784 (load_toc_aix_di): Use LCTOC..1.
3786 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
3787 * rs6000.c (rs6000_legitimize_address): New function from
3788 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
3789 symbols in the constant pool that really are TOC references.
3790 (print_operand_address): For ELF, write TOC offsets under
3791 -fPIC as subtractions in the insn.
3792 (output_toc): For ELF, define symbols in TOC as normal labels,
3794 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
3795 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
3796 (create_TOC_reference): Prototype only when RTX_CODE is defined.
3797 * rs6000.md (movsi): Only use create_TOC_reference on
3798 symbols in the constant pool that really are TOC references.
3800 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
3801 * rs6000.c (rs6000_reorg): Delete.
3802 * rs6000-protos.h (rs6000_reorg): Delete.
3804 2000-02-09 Geoff Keating <geoffk@cygnus.com>
3806 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
3808 * aix.h (SETUP_FRAME_ADDRESSES): Define.
3809 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
3810 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
3811 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
3812 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
3813 rs6000_aix_emit_builtin_unwind_init.
3814 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
3815 rs6000_emit_eh_toc_restore on AIX.
3816 (return_eh_si): Use r2.
3817 (return_eh_di): Use r2.
3819 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
3820 since we're breaking binary compatibility anyway.
3822 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3824 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
3825 constant_pool_expr_p): Declare them.
3826 (constant_pool_expr_p): Declare it.
3827 * config/rs6000/rs6000.c (toc_label_name): Define.
3828 (rs6000_override_options): Set toc_label_name.
3829 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
3830 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
3831 uses_TOC): New functions.
3832 (print_operand): Delete old '*' case.
3833 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
3834 and strip off rtl for TOC before calling output_addr_const.
3835 (rs6000_emit_load_toc_table): Use toc_label_name.
3836 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
3838 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
3839 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
3840 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
3841 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
3842 into explicit TOC_REGISTER offsets.
3843 (TOC_REGISTER): New macro.
3844 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
3845 TARGET_TOC to reference TOC_REGISTER.
3846 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
3847 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
3848 uses_TOC before emitting label references.
3850 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3852 * rs6000.md (stack_tie): Fix warning.
3854 * eabi-ctors.c: Use 'asm' names for the start/end variables,
3855 to handle -fleading-underscore.
3856 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
3857 (USER_LABEL_PREFIX): New macro.
3858 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
3859 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
3860 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
3861 call-linux can use the same multilibs.
3862 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
3863 and call-linux multilibs. Do multilib with -fleading-underscore.
3864 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
3865 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
3868 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
3869 have MASK_SOFT_FLOAT set.
3870 (CPP_FLOAT_DEFAULT_SPEC): New macro.
3871 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
3872 CPP_FLOAT_DEFAULT_SPEC.
3874 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
3875 * rs6000.md: Whitespace change.
3876 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
3877 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
3879 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3881 * rs6000.md (eh_epilogue): New expander.
3882 (eh_reg_restore): New expand/split/insn combination.
3883 (return_eh_si): New insn.
3884 (return_eh_di): New insn.
3886 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
3887 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
3888 * eabi-ctors.c (__do_global_ctors): Register this object's
3889 frame. Clean up. Call atexit() after the constructors.
3890 (__do_global_dtors): Deregister this object's frame. Clean up.
3891 Allow for recursive calls to exit().
3892 * rs6000.c (fixuplabelno): New variable.
3893 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
3894 TARGET_RELOCATABLE, it slows down exec() under linux.
3895 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
3897 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
3898 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
3899 (ASM_OUTPUT_DWARF_DELTA2): New macro.
3900 (ASM_OUTPUT_DWARF_DELTA4): New macro.
3901 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
3902 (ASM_OUTPUT_DWARF_ADDR): New macro.
3903 (ASM_OUTPUT_DWARF_DATA4): New macro.
3904 (ASM_OUTPUT_DWARF_DATA2): New macro.
3905 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
3906 (ASM_OUTPUT_DWARF_OFFSET): New macro.
3907 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
3909 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3911 * rs6000.c (rs6000_sr_alias_set): New variable.
3912 (rs6000_override_options): Initialise rs6000_sr_alias_set.
3913 (rs6000_emit_stack_tie): New function.
3914 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
3915 in a way that dwarf2out can understand.
3916 (rs6000_frame_related): New function.
3917 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
3918 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
3919 Use rs6000_emit_stack_tie when needed.
3920 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
3921 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
3922 * rs6000.md (stack_tie): New insn.
3923 (return_internal_si): Allow return value to be in the count
3925 (return_internal_di): Likewise.
3927 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
3929 2000-02-03 Geoff Keating <geoffk@cygnus.com>
3931 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
3933 2000-01-31 Geoff Keating <geoffk@cygnus.com>
3935 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
3937 * rs6000.md (stmw): Use the right POWER opcode.
3940 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3942 * rs6000-protos.h: New file.
3944 * rs6000.c: Include tm_p.h. Fix compile time warnings.
3946 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
3949 * sysv4.h: Likewise.
3951 2000-01-28 Geoff Keating <geoffk@cygnus.com>
3953 * ../../configure.in: Delete powerpcle-*-winnt*
3954 and powerpcle-*-pe|powerpcle-*-cygwin*.
3955 * ../../configure: Regenerated.
3957 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
3958 (TARGET_WINDOWS_NT): Delete.
3960 (CALL_NT_DLLIMPORT): Delete.
3961 Delete NT-specific code.
3962 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
3965 * nt-ci.asm: Delete.
3966 * nt-cn.asm: Delete.
3967 * ntstack.asm: Delete.
3969 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3971 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
3972 (ASM_FILE_START): Likewise.
3973 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3974 (ASM_OUTPUT_LABELREF): Likewise.
3975 (ASM_OUTPUT_SKIP): Likewise.
3976 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3977 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3978 (ASM_OUTPUT_CASE_LABEL): Likewise.
3979 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3980 (ASM_OUTPUT_ASCII): Likewise.
3982 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
3984 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
3985 reload_toc_labelno for non-prologue TOC reloads. Also, don't
3986 increment rs6000_pic_labelno here.
3987 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
3988 and increment rs6000_pic_labelno here.
3990 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
3992 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
3993 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
3994 allocation knows (reg) is dead before the insn.
3996 2000-01-21 Geoff Keating <geoffk@cygnus.com>
3998 * rs6000.md (movsi_to_cr): Correct typo in output template.
4000 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
4002 * rs6000.c (rs6000_pic_labelno): Always define.
4003 (rs6000_pic_func_labelno): Delete.
4004 (lmw_operation): Check for a zero base register,
4005 which doesn't mean what we want.
4006 (stmw_operation): New function.
4007 (print_operand): Define new 'l' modifier.
4008 (rs6000_stack_info): We must save all 64 bits of the registers
4009 if TARGET_POWERPC64.
4010 (rs6000_output_load_toc_table): Delete.
4011 (rs6000_emit_load_toc_table): New function.
4012 (rs6000_allocate_stack_space): Delete.
4013 (rs6000_emit_allocate_stack): New function.
4014 (rs6000_emit_prologue): New function.
4015 (output_prolog): Use rs6000_emit_prologue.
4016 (rs6000_emit_epilogue): Change a few variable names to be
4017 more accurate. Restore all 64 bits of the registers if
4018 TARGET_POWERPC64. Only restore the FP registers which were used
4019 if they are being saved/restored one-at-a-time.
4020 (output_mi_thunk): Delete inefficient code generation.
4021 (output_function_profiler): Don't use rs6000_output_load_toc_table.
4022 * rs6000.h: Declare rs6000_emit_load_toc_table,
4023 rs6000_allocate_stack_space, stmw_operation. Don't declare
4024 rs6000_output_load_toc_table.
4025 * rs6000.md (elf_high): Allow register 0, but discourage it
4027 (elf_low): Support loading into register 0.
4028 (load_toc_aix_si): New pattern.
4029 (load_toc_aix_di): New pattern.
4030 (load_toc_v4_pic_si): New pattern.
4031 (load_toc_v4_pic_di): New pattern.
4032 (load_toc_v4_PIC_1): New pattern.
4033 (load_toc_v4_PIC_1b): New pattern.
4034 (load_toc_v4_PIC_2): New pattern.
4035 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
4036 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
4037 (prologue): New expander.
4038 (movesi_from_cr): New pattern.
4039 (stmw): New pattern.
4040 (save_fpregs_si): New pattern.
4041 (save_fpregs_di): New pattern.
4043 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4045 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
4050 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4052 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
4054 (movsi_got_internal): Likewise.
4055 (movsi_got_internal+1): Likewise.
4056 (set_sp): 'unspec 7' does a SImode clobber.
4058 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4060 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
4061 allocate a stack temporary.
4062 (floatsidf2_internal): Likewise.
4063 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
4065 (floatunssidf2): Don't use the fpmem "register", just
4066 allocate a stack temporary.
4067 (floatunssidf2_internal): Likewise.
4068 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
4070 (floatsidf2_loadaddr): Delete.
4071 (floatsidf2_store1): Delete.
4072 (floatsidf2_store2): Delete.
4073 (floatsidf2_load): Delete.
4074 (fix_truncdfsi2): Don't use the fpmem "register", just
4075 allocate a stack temporary.
4076 (fix_truncdfsi2_internal_si): Delete.
4077 (fix_truncdfsi2_internal_di): Delete.
4078 (fix_truncdfsi2_internal): New insn.
4079 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
4080 (fix_truncdfsi2_store): Delete.
4081 (fix_truncdfsi2_load): Delete.
4082 (fctiwz): Produce gen_fctiwz.
4084 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
4086 * eabi.h (INVOKE__main): Define.
4087 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
4089 (rs6000_emit_prologue): Likewise.
4090 * rs6000.h (struct rs6000_stack): Don't keep track of whether
4091 this is the main program.
4093 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4095 * rs6000.c (rs6000_va_arg): Delete some unused variables.
4097 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4099 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
4100 goes after the argument.
4102 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4104 * rs6000.md: Document 'unspec' values used.
4105 (epilogue): New expander.
4106 (movesi_to_cr_one): New expander.
4107 (movesi_to_cr and following): New pattern.
4109 (return_internal_si): New pattern.
4110 (return_internal_di): New pattern.
4111 (return_and_restore_fpregs_si): New pattern.
4112 (return_and_restore_fpregs_di): New pattern.
4113 * rs6000.h: Declare new functions.
4114 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
4115 rather than rs6000_calls_p.
4116 (rs6000_makes_calls): Delete.
4117 (lmw_operation): New function.
4118 (mtcrf_operation): New function.
4119 (rs6000_emit_epilogue): New function.
4120 (output_epilog): Call rs6000_emit_epilogue and final if
4121 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
4123 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4125 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
4126 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
4127 * aix.h (SUBTARGET_SWITCHES): Document switches.
4128 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
4129 sched-prolog and sched-epilog the same. Document all the
4131 (TARGET_OPTIONS): No longer allow -mdebug-.
4133 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4135 * rs6000.h (ASM_FILE_END): Move to aix.h.
4136 (EXTRA_SECTIONS): Move to aix.h.
4137 (READONLY_DATA_SECTION): Move to aix.h.
4138 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
4139 (SELECT_SECTION): Move to aix.h.
4140 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
4141 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
4142 (LINK_REGISTER_REGNUM): New definition.
4143 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
4144 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
4146 * sysv4.h: Delete the code between the inclusion of rs6000.h
4148 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
4149 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
4150 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
4151 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
4152 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
4153 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
4154 (fix_truncdfsi2_internal_di): New pattern.
4155 (fix_truncdfsi2_store): The second arg here is Pmode too.
4156 (fix_truncdfsi2_load): The second arg here is Pmode too.
4157 (tablejumpdi): Now that switch tables hold only SImode values,
4158 gcc needs to know how to add them to the pc which is DImode.
4159 * rs6000.c (rs6000_stack_info): Use symbolic name for
4160 LINK_REGISTER_REGNUM.
4161 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
4162 (output_toc): Delete unused variables s1 and s2.
4163 (output_ascii): Use fputs not fprintf on a variable string.
4165 2000-01-07 David Edelsohn <edelsohn@gnu.org>
4167 * rs6000.c (processor_target_table): Add power3 as alias for 630.
4168 * aix43.h: Revert Aug 2 change.
4169 (HAS_INIT_SECTION): Define, not visible yet.
4170 (LD_INIT_SWITCH): Define, not visible yet.
4171 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
4173 2000-01-04 Joel Sherrill (joel@OARcorp.com>
4175 * config/rs6000/rtems.h: Include config/rtems.h.
4177 2000-01-04 David Edelsohn <edelsohn@gnu.org>
4179 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
4180 (SLOW_UNALIGNED_ACCESS): Define.
4181 (CASE_VECTOR_MODE): Always use 32-bit offsets.
4182 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
4183 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
4184 (toc_section): Likewise and .toc pseudo-op.
4185 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
4187 (TEXT_SECTION_ASM_OP): Likewise.
4188 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
4191 1999-12-17 Jakub Jelinek <jakub@redhat.com>
4193 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
4194 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
4197 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4199 * rs6000.h: Move more stuff from here...
4201 * sysv4.h: Cleanup accordingly.
4202 * netware.h: Likewise
4204 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4206 * rs6000.h: Continue cleanup.
4209 * netware.h: Likewise.
4211 * sysv4.h: Likewise.
4212 * win-nt.h: Likewise.
4214 * rs6000.h (TARGET_SWITCHES): Add descriptions.
4215 (TARGET_OPTIONS): Likewise.
4217 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
4218 (SUBTARGET_OPTIONS): Likewise.
4220 * rs6000.md: Fix compile time warnings.
4222 2000-01-04 Geoff Keating <geoffk@cygnus.com>
4224 vxworks patches from the Cygnus tree originally by
4225 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
4226 <vmakarov@cygnus.com>.
4227 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
4228 (ENDFILE_SPEC): Likewise.
4229 (LIB_VXWORKS_SPEC): New macro.
4230 (STARTFILE_VXWORKS_SPEC): New macro.
4231 (ENDFILE_VXWORKS_SPEC): New macro.
4232 (LINK_START_VXWORKS_SPEC): New macro.
4233 (LINK_OS_VXWORKS_SPEC): New macro.
4234 (CPP_OS_VXWORKS_SPEC): New macro.
4235 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
4236 * vxppc.h: Rewrite to use proper configuration method.
4237 * vxppcle.h: New file.
4238 * ../../configure.in: Add powerpcle-wrs-vxworks*.
4239 * ../../configure: Rebuilt.
4241 2000-01-04 Geoff Keating <geoffk@cygnus.com>
4243 Lots of changes to rs6000.h, sysv4.h, aix.h,
4244 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
4245 with the aim that rs6000.h is the first header
4246 included and the others override it.
4249 * x-aix41-gld: Remove.
4251 * x-aix41: Remove target-specific switches, and don't specify
4252 -Wl,-bbigtoc as we don't need it any more.
4253 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
4254 Use t-aix43 for AIX 4.3 and above.
4255 * ../../configure: Regenerated.
4257 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
4258 options, that don't do anything yet.
4259 (MASK_SCHED_PROLOG): New macro.
4260 (MASK_SCHED_EPILOG): New macro.
4261 (TARGET_SCHED_PROLOG): New macro.
4262 (TARGET_SCHED_EPILOG): New macro.
4264 2000-01-04 Geoff Keating <geoffk@cygnus.com>
4266 * rs6000.c: Correct comment, the `minimal' TOCs are actually
4267 one per translation unit, not one per function.
4268 (output_toc): Also do duplicate constant elimination
4269 for per-translation-unit TOCs.
4271 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
4272 a comment explaining _exactly_ when this pattern gets used.
4273 (builtin_setjmp_receiver): New pattern for better clarity.
4274 (init_v4_pic): Move it into a section dealing with TOC registers.
4276 1999-12-30 Geoff Keating <geoffk@cygnus.com>
4278 * rs6000.c (toc_hash_table): New variable.
4279 (rs6000_hash_constant): New function.
4280 (toc_hash_function): New function.
4281 (toc_hash_eq): New function.
4282 (toc_hash_mark_entry): New function.
4283 (toc_hash_mark_table): New function.
4284 (output_toc): Don't output duplicate TOC entries in
4286 (rs6000_add_gc_roots): Add the hash table as a GC root.
4287 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
4288 where they clearly shouldn't be. This may need to be fixed
4289 later when there is a GNU ar for AIX.
4290 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
4291 Don't define BOOT_LDFLAGS as it is now not necessary.
4293 1999-12-29 Geoff Keating <geoffk@cygnus.com>
4295 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
4296 for va_list on AIX. Use unsigned_char_type_node rather than
4297 constructing our own version on svr4.
4299 1999-12-17 Geoff Keating <geoffk@cygnus.com>
4301 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
4302 since patently it's not.
4304 1999-12-08 Geoff Keating <geoffk@cygnus.com>
4306 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
4307 define_expand/define_insn pair, and handle restore of the
4308 SVR4 -fpic register.
4310 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
4312 * acconfig.h (HAVE_GAS_WEAK): New define.
4313 * configure.in (assembler weak support): Check for .weak support.
4314 * config.in, configure: Rebuilt.
4315 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
4316 HAVE_GAS_WEAK is defined.
4318 2000-03-15 Nick Clifton <nickc@cygnus.com>
4320 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
4323 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
4325 * cppfiles.c (open_include_file): New function.
4326 (find_include_file, cpp_read_file): Use it.
4328 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4330 * cpphash.c (dump_hash_helper): Take the slot, not the element.
4332 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
4334 * flow.c (verify_flow_info): Check for unconditional return.
4336 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
4338 * config/ia64/ia64.md (restore_stack_nonlocal): New.
4339 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
4340 (__ia64_restore_stack_nonlocal): New.
4341 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
4343 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4345 * cpphash.c (collect_formal_parameters): Do not complain about
4346 parameter names that just start with `__VA_ARGS__'.
4348 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
4350 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
4351 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
4352 * i386.c (pentiumpro_cost): Set mul cost to 4.
4353 (x86_use_movx): Set for PPro.
4355 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
4357 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
4358 STACK_BOUNDARY for empty frames now.
4360 2000-03-14 Mark Mitchell <mark@codesourcery.com>
4362 * stor-layout.c (layout_union): Remove.
4363 (layout_union_field): New function, split out from layout_union.
4364 (finish_union_layout): Likewise.
4365 (layout_field): Handle unions by calling layout_union_field.
4366 (finish_record_layout): Handle unions.
4367 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
4368 QUAL_UNION_TYPE handling.
4370 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
4372 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
4373 end of basic block is jump_insn, not barrier; use create_basic_block
4374 instead of creating basic block by hand.
4376 2000-03-14 Jason Eckhardt <jle@cygnus.com>
4378 * flow.c (reorder_basic_blocks): Account for barriers when writing
4379 over NEXT_INSN (last_bb->end).
4380 (verify_flow_info): Add check for missing barriers.
4382 2000-03-14 Greg McGary <gkm@gnu.org>
4384 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
4385 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
4386 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
4387 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
4388 __unbounded, __unbounded__): New keywords.
4389 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
4390 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
4391 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
4393 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
4395 * cselib.h: New file.
4396 * alias.c: Include "cselib.h".
4397 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
4398 MEMs as two new arguments.
4399 (get_addr): New static function.
4400 (find_base_term): Handle VALUEs.
4401 (memrefs_conflict_p): Likewise.
4402 (true_dependence): Call get_addr on the addresses.
4403 Call fixed_scalar_and_varying_struct_p with addresses that have been
4404 passed through get_addr and canon_rtx.
4405 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
4406 with true_dependence.
4407 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
4408 * loop.c: Include "cselib.h".
4409 (load_mems): Process extended basic block that enters the loop with
4410 cselib. Use that information to change initialization of the shadow
4411 register so that a constant equivalence is seen by later passes.
4412 * reload1.c: Include "cselib.h".
4413 (reload_cse_invalidate_regno): Delete function.
4414 (reload_cse_mem_conflict_p): Likewise.
4415 (reload_cse_invalidate_mem): Likewise.
4416 (reload_cse_invalidate_rtx): Likewise.
4417 (reload_cse_regno_equal_p): Likewise.
4418 (reload_cse_check_clobber): Likewise.
4419 (reload_cse_record_set): Likewise.
4420 (reg_values): Delete static variable.
4421 (invalidate_regno_rtx): Likewise.
4422 (reload_cse_delete_noop_set): New static function.
4423 (reload_cse_simplify): New static function, broken out of
4425 (reload_cse_noop_set_p): Delete unused argument INSN.
4426 Just call rtx_equal_for_cselib_p on set source and destination.
4427 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
4428 reload_cse_delete_noop_set. Delete code to keep track of values; use
4429 cselib functions instead. Delete code to push/pop obstacks.
4430 (reload_cse_simplify_set): Use cselib to find equivalent values.
4431 Delete code to push/pop obstacks.
4432 (reload_cse_simplify_operands): Likewise.
4433 * rtl.def (VALUE): New rtx code.
4434 * rtl.h (union rtunion_def): New elt rt_cselib.
4435 (X0CSELIB, CSELIB_VAL_PTR): New macros.
4436 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
4437 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
4438 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
4439 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
4440 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
4441 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
4442 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
4443 cselib_record_set, cselib_record_sets): New static functions.
4444 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
4445 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
4446 references_value_p): New functions.
4447 (MAX_USELESS_VALUES, REG_VALUES): New macros.
4448 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
4449 n_useless_values, reg_values, callmem, cselib_obstack,
4450 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
4451 New static variables.
4452 * varray.h (union varray_data_tag): New elt te.
4453 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
4454 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
4457 2000-03-14 Nick Clifton <nickc@cygnus.com>
4459 * gcc.c (do_spec_1): Catch the case where %* is used in a
4460 substitution pattern, but it has not been initialised.
4461 Issue a meaningful error message if an unrecognised operator
4462 is encountered in a spec string.
4464 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
4466 * function.c (prepare_function_start): Correctly initialize
4467 cfun->stack_alignment_needed.
4469 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
4471 * cppfiles.c (find_include_file): Don't assume nshort is a
4474 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
4476 * configure.in (hppa configurations): Add pa32-regs.h to the
4477 list of tm files as appropriate.
4478 * configure: Rebuilt.
4479 * pa.c (compute_frame_size): Remove explicit knowledge about FP
4481 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
4482 (fmpyaddoperands, fmpysuboperands): Likewise.
4483 * pa.h: Remove various definitions which depend on knowing
4484 how registers are numbered.
4485 * pa32-regs.h: New file with PA32 register numbering specific
4488 2000-03-14 Richard Henderson <rth@cygnus.com>
4490 * regmove.c (combine_stack_adjustments): New.
4491 (stack_memref_p, single_set_for_csa): New.
4492 (free_csa_memlist, record_one_stack_memref): New.
4493 (try_apply_stack_adjustment): New.
4494 (combine_stack_adjustments_for_block): New.
4495 * rtl.h (combine_stack_adjustments): Declare.
4496 * toplev.c (rest_of_compilation): Call it.
4498 * i386.md: Revert 2000-01-16 change.
4500 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4502 * gccbug.in: Add web category, gcc specific classes.
4504 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
4506 * stor-layout.c (finalize_record_size): Fix typo.
4508 2000-03-14 Stan Shebs <shebs@apple.com>
4510 * c-typeck.c (c_alignof): Error on incomplete types.
4511 * extend.texi (Alignment): Document this.
4513 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4515 * cppfiles.c: Include mkdeps.h.
4516 (find_include_file, read_include_file): Remove _cpp_ prefix
4517 from name, make static.
4518 (_cpp_execute_include): New function, broken out of
4521 * cpplib.c: Don't include mkdeps.h.
4522 (struct directive): Remove type field. Reorder entries. The
4523 function takes only one argument.
4524 (struct if_stack): Make type field an int.
4525 (directive_table): Rename to dtable. Generate it, the
4526 prototypes of the directive handlers, and the enum for the
4527 directive numbers, from a template macro.
4528 (do_ifndef, do_include_next, do_import): New functions.
4529 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
4530 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
4531 do_ident, do_assert, do_unassert, do_sccs): Take only one
4533 (do_sccs): Define always, but alter behavior based on
4535 (_cpp_handle_directive, consider_directive_while_skipping):
4536 Restructure for new directive table layout.
4538 (pass_thru_directive): Take a directive number, not a pointer
4539 to a struct directive.
4540 (parse_include): New function, broken out of do_include.
4541 (do_include, do_import, do_include_next): Use parse_include
4542 and _cpp_execute_include.
4543 (do_elif, do_else): Test for T_ELSE specifically when checking
4544 for #elif/#else after #else.
4545 (parse_ifdef): New function, broken out of do_ifdef.
4546 (validate_else): Expect a name arg without a leading #.
4547 (if_directive_name): Delete.
4548 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
4549 directive handlers with only one argument.
4551 * cpphash.h: Update prototypes.
4552 (enum node_type): Remove entries for directives.
4553 * Makefile.in: Update dependencies.
4555 * cpphash.c (dump_hash_helper): Only dump nodes of type
4556 T_MACRO. Emit a newline after each definition.
4558 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4560 * gccbug.in: New file.
4561 * configure.in (all_outputs): Add gccbug.
4562 * Makefile.in (install-common): Install gccbug.
4563 (GCCBUG_INSTALL_NAME): New variable.
4564 * configure: Rebuilt.
4566 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4568 * function.c (put_var_into_stack): Use type_for_mode to calculate
4569 part_type. Use MEM_SET_IN_STRUCT_P.
4570 * expr.c (store_field): Handle CONCAT.
4571 (store_constructor): Use fields_length.
4572 * tree.c (fields_length): New fn.
4573 * tree.h: Declare it.
4575 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4577 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
4578 (cpplex.o): New target.
4579 * po/POTFILES.in: Add cpplex.c.
4581 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
4582 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
4583 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
4584 skip_block_comment, skip_line_comment, skip_comment,
4585 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
4586 _cpp_parse_name, skip_string, parse_string,
4587 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
4588 _cpp_get_directive_token, find_position,
4589 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
4590 (maybe_macroexpand, _cpp_lex_token): New functions.
4592 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
4593 parse_goto_mark): Delete.
4594 (_cpp_handle_eof): New function.
4595 (_cpp_handle_directive): Rename from handle_directive.
4596 (_cpp_output_line_command): Rename from output_line_command.
4597 (do_if, do_elif): Call _cpp_parse_expr directly.
4598 * cppfiles.c (_cpp_read_include_file): Don't call
4599 init_input_buffer here.
4600 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
4601 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
4602 here; pop the token_buffer and skip the rest of the line here.
4603 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
4606 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
4608 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
4609 CPP_GOTO_MARK): New macros.
4610 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
4611 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
4612 _cpp_read_and_prescan, _cpp_init_input_buffer,
4613 _cpp_grow_token_buffer, _cpp_get_directive_token,
4614 _cpp_handle_directive, _cpp_handle_eof,
4615 _cpp_output_line_command): Prototype them here.
4616 * cpplib.h (enum cpp_token): Add CPP_MACRO.
4617 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
4618 quote_string, output_line_command): Remove.
4620 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
4622 * stmt.c (expand_end_case): RANGE may be signed, and when checking
4623 whether it is too large we must also verify that it isn't negative.
4625 2000-03-13 Jakub Jelinek <jakub@redhat.com>
4627 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
4628 (movsi_zero_liveg0): Remove.
4629 (movsf_insn_novis_liveg0): Remove.
4631 (negsi2_not_liveg0): Rename to negsi2.
4632 (one_cmplsi2): Remove.
4633 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
4634 (one_cmplsi2_liveg0): Remove.
4635 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
4636 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
4637 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
4638 (PREDICATE_CODES): Remove zero_operand.
4639 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
4640 TARGET_BROKEN_SAVERESTORE.
4641 (zero_operand): Remove.
4642 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
4643 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
4645 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4646 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4647 TARGET_BROKEN_SAVERESTORE): Remove.
4648 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4650 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4652 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
4655 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
4657 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
4659 * cpplib.c (do_pragma_implementation): Fix off-by-one error
4660 truncating a string. Don't assume tokens are nul terminated.
4661 Problem noted by Andreas Jaeger <aj@suse.de>
4663 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
4665 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
4666 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
4667 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
4669 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
4671 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
4672 STRUCTURE_SIZE_BOUNDARY.
4674 2000-03-13 Mark Mitchell <mark@codesourcery.com>
4676 * tree.h (record_layout_info_s): New structure.
4677 (record_layout_info): New type.
4678 (new_record_layout_info): New function.
4679 (layout_field): Likewise.
4680 (finish_record_layout): Likewise.
4681 * stor-layout.c (layout_record): Remove.
4682 (new_record_layout_info): New function.
4683 (layout_field): New function, broken out from layout_record.
4684 (finalize_record_size): Likewise.
4685 (compute_record_mode): Likewise.
4686 (finalize_type_size): New function, broken out from layout_type.
4687 (finish_record_layout): Likewise.
4688 (layout_type): Use them.
4690 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4692 * cpphash.c: Don't include version.h.
4693 (special_symbol) [case T_VERSION]: Look for the string in
4694 hp->value.cpval; don't use version_string.
4695 * cppinit.c (initialize_builtins): Set hp->value.cpval for
4696 __VERSION__ to version_string.
4697 * Makefile.in (cpphash.o): Update deps.
4699 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
4701 Convert cpplib to use libiberty/hashtab.c.
4703 * cpplib.h (struct cpp_reader): Make hashtab and
4704 all_include_files of type 'struct htab *'. Delete HASHSIZE
4705 and ALL_INCLUDE_HASHSIZE macros.
4707 * cpphash.h: Update prototypes.
4708 (struct hashnode): Remove next, prev, and bucket_hdr members.
4709 Make length a size_t. Add hash member.
4710 (struct ihash): Remove next member. Add hash member. Make
4711 name a flexible array member.
4713 * cppfiles.c: Include hashtab.h.
4714 (include_hash): Delete.
4715 (IHASHSIZE): New macro.
4716 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
4717 (cpp_included): Do the hash lookup here.
4718 (_cpp_find_include_file): Rewrite.
4719 (cpp_read_file): Put the "fake" hash entry into the hash
4720 table. Honor the control_macro, if it turns out we've seen
4721 the file before. Don't push the buffer here.
4722 (_cpp_read_include_file): Push the buffer here.
4723 (OMODES): New macro. Use it whenever we call open(2).
4725 * cpphash.c: Include hashtab.h.
4726 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
4727 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
4728 _cpp_lookup_slot): New functions.
4729 (HASHSIZE): new macro.
4730 (hashf, _cpp_install, _cpp_delete_macro): Delete.
4731 (_cpp_lookup): Use hashtab.h routines.
4733 * cppinit.c: Include hashtab.h.
4734 (cpp_reader_init): Call _cpp_init_macro_hash and
4735 _cpp_init_include_hash. Don't allocate hashtab directly.
4736 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
4737 pfile->all_include_files.
4738 (initialize_builtins): Use _cpp_make_hashnode and
4739 htab_find_slot to add hash entries.
4740 (cpp_finish): Just call _cpp_dump_macro_hash.
4741 * cpplib.c: Include hashtab.h.
4742 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
4743 create hash entries.
4744 (do_pragma_poison, do_assert): Likewise.
4745 (do_include): Don't push the buffer here. Don't increment
4746 system_include_depth unless _cpp_read_include_file succeeds.
4747 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
4749 (do_pragma_implementation): Use alloca to create copy.
4751 * Makefile.in: Update dependencies.
4753 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4755 * cppinit.c (cl_directive_handler): More K&R fixing.
4757 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
4759 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
4761 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
4763 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4765 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
4766 Change from char[] to macros.
4768 2000-03-12 Neil Booth <NeilB@earthling.net>
4770 * cppinit.c (cpp_start_read): Update indirect function
4773 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
4775 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
4778 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4779 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
4781 2000-03-11 Neil Booth <NeilB@earthling.net>
4783 * cppinit.c (struct pending option): Replace undef with a
4784 pointer to a directive handling routine.
4785 (struct cpp_pending): Replace separate assert_ and define_
4786 lists with one directive_ list.
4787 (new_pending_define): Rename new_pending_directive. Extra
4788 argument is the directive's handling routine.
4789 (handle_option): Update to use new_pending_directive.
4791 2000-03-11 Neil Booth <NeilB@earthling.net>
4793 * cppfiles.c (file_cleanup, _cpp_find_include_file,
4794 remap_filename, _cpp_read_include_file, actual_directory,
4795 hack_vms_include_specification): Replace bcopy(), index() etc
4796 calls. Add casts to some allocations. Make some variables
4797 pointers to const [unsigned] char.
4798 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
4799 collect_formal_parameters): Similarly.
4800 * cppinit.c (struct pending_option, append_include_chain,
4801 cpp_options_init, cpp_reader_init, initialize_standard_includes,
4802 cpp_start_read, new_pending_define, handle_option): Similarly.
4803 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
4804 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
4805 do_pragma_implementation, detect_if_not_defined,
4806 do_ifdef, skip_if_group, cpp_get_token, parse_string,
4807 do_assert, do_unassert): Similarly.
4808 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
4809 function prototypes.
4810 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
4812 2000-03-10 Richard Henderson <rth@cygnus.com>
4814 * builtins.c (expand_builtin_strlen): Revert last change.
4815 Use emit_insn_before if we're at the beginning of a sequence.
4817 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
4819 * builtins.c (expand_builtin_strlen): Make sure that we have something
4820 at the beginning of the sequence.
4822 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
4825 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
4827 2000-03-10 Richard Henderson <rth@cygnus.com>
4829 * except.c (can_throw): Use INTVAL on a CONST_INT.
4830 (reachable_handlers): Likewise.
4831 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
4833 2000-03-10 Andreas Jaeger <aj@suse.de>
4835 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
4836 MD_STARTFILE_PREFIX since those are not needed on linux.
4837 (ASM_FILE_START): New, from mips/gnu.h.
4839 2000-03-09 Richard Henderson <rth@cygnus.com>
4840 Alex Samuel <samuel@codesourcery.com> and others
4842 * Makefile.in (ssa.o): New rule.
4844 (STAGESTUFF): Add *.ssa and *.ussa.
4845 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
4846 * rtl.def (PHI): New RTL expression.
4847 * rtl.h (clear_log_links): New declaration.
4848 (convert_to_ssa): Likewise.
4849 (convert_from_ssa): Likewise.
4850 * flow.c (split_edge): If the entry node falls through to the
4851 split edge's source block, split the entry edge.
4852 (clear_log_links): New function.
4853 * toplev.c (ssa_dump): New variable.
4854 (flag_ssa): Likewise.
4855 (f_options): Add "ssa".
4856 (compile_file): Create SSA dump files.
4857 (rest_of_compilation): Go to and from SSA if enabled.
4858 (decide_d_option): Handle -de for SSA dump files.
4861 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
4863 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
4866 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
4868 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
4870 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
4872 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
4873 (MD_STARTFILE_PREFIX_1): New macro.
4875 2000-03-09 Robert Lipe <robertl@sco.com>
4877 * config/ia64/ia64.c: Include system.h.
4879 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4881 * except.c (nothrow_function_p): If -fno-exceptions, just return.
4882 (init_eh_nesting_info): Likewise.
4884 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
4885 (TREE_NOTHROW): Rename from TREE_RAISES.
4886 * toplev.c (rest_of_compilation): Set it.
4887 * print-tree.c (print_node): Adjust.
4888 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
4889 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
4890 * calls.c (emit_call_1): Add 'nothrow' parm. Add
4891 REG_EH_REGION note as appropriate.
4892 (libfunc_nothrow): New fn.
4893 (emit_library_call, emit_library_call_value): Use it.
4894 (expand_call): Check TREE_NOTHROW.
4896 * varasm.c (make_decl_rtl): Skip initial '*' when setting
4897 DECL_ASSEMBLER_NAME.
4899 2000-03-09 Andreas Jaeger <aj@suse.de>
4901 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
4902 (TARGET_MEM_FUNCTIONS): Define.
4904 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
4906 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
4908 * except.c (can_throw): See through a SEQUENCE.
4909 (nothrow_function_p): New fn.
4910 * except.h: Declare it.
4911 * function.c (current_function_nothrow): New var.
4912 (prepare_function_start): Initialize it.
4913 * output.h: Declare it.
4914 * toplev.c (rest_of_compilation): Set it.
4915 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
4917 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
4919 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
4920 match. (cpp_compare_defs): Count the nul separator when
4921 advancing over argument names.
4923 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
4925 * recog.c (preprocess_constraints): Matching constraints affect
4926 same alternative/different operand, not same operand/different
4929 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
4930 register and a constant specially.
4932 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4934 * libgcc2.h: New file.
4935 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
4937 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
4939 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
4940 * configure: Regenerate.
4943 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4945 * Makefile.in (LIBCPP_DEPS): New macro.
4946 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
4948 * cpperror.c: Include cpphash.h.
4949 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
4951 (lex): Don't use CPP_WARN_UNDEF.
4952 (_cpp_parse_expr): Return an int, the truth value.
4953 * cppfiles.c: Include cpphash.h.
4954 (_cpp_merge_include_chains): Move to cppinit.c and make static.
4955 * cppinit.c (include_defaults_array): Disentangle.
4956 (cpp_cleanup): Don't free the if stack here.
4957 (cpp_finish): Pop off all buffers, not just one.
4958 * cpplib.c (eval_if_expr): Return int.
4959 (do_xifdef): Rename do_ifdef.
4960 (handle_directive): Don't use CPP_PREPROCESSED.
4961 (cpp_get_token): Don't use CPP_C89.
4962 * fix-header.c: Don't use CPP_OPTIONS.
4964 * cpplib.h: Move U_CHAR, enum node_type, struct
4965 file_name_list, struct ihash, is_idchar, is_idstart,
4966 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
4967 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
4968 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
4969 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
4970 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
4971 of _cpp_simplify_pathname, _cpp_find_include_file,
4972 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
4973 Move struct if_stack to cpplib.c. Move struct cpp_pending to
4975 Change all uses of U_CHAR to be unsigned char instead.
4976 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
4978 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
4980 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
4981 (dwarf2out_begin_prologue): Set it.
4982 (output_call_frame_info): Don't emit EH unwind info for leaves.
4984 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
4985 can occur outside of an EH region.
4986 * except.c: Correct comments about rethrow behavior.
4987 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
4989 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
4991 * flow.c (make_edges): Always call make_eh_edge for calls.
4993 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
4995 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
4996 (struct cpp_buffer): Remove fname and underflow fields.
4997 (struct cpp_reader): Remove get_token field.
4998 (struct include_hash): Rename to struct ihash. Add typedef to
5000 (struct if_stack): Remove fname field.
5001 (IF_STACK_FRAME): Rename to IF_STACK.
5003 * cpperror.c (print_containing_files): Trust that there are no
5004 macro buffers below the top file buffer.
5005 * cppfiles.c: Replace all references to 'struct include_hash'
5006 with 'IHASH'. Rename initialize_input_buffer to
5007 init_input_buffer. Don't set or reference cpp_buffer->fname,
5008 use buffer->ihash->name instead.
5009 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
5010 not CPP_NULL_BUFFER.
5011 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
5012 IF_STACK_FRAME, IHASH not struct include_hash.
5013 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
5014 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
5015 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
5016 references to cpp_buffer->fname (delete entirely, or use
5017 ->ihash->name instead) and IF_STACK->fname.
5018 (cpp_push_buffer): Don't set new->underflow.
5019 (do_include): Use cpp_file_buffer.
5021 * cpphash.c (collect_formal_parameters): Remove duplicate
5022 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
5023 used as a macro argument name. Don't append "..." to namebuf
5024 for varargs macros. After we're done scanning, go through
5025 namebuf and make it NUL separated, not comma separated.
5026 (_cpp_compare_defs): Remove register tag from variables.
5027 Expect defn->argnames to be NUL separated.
5028 (_cpp_dump_definition): Expect defn->argnames to be NUL
5029 separated and in forward order.
5030 * cpphash.h: Update documentation of argnames field.
5032 2000-03-08 Richard Henderson <rth@cygnus.com>
5034 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
5035 to fail. Don't pre-expand the source operand.
5037 * i386.md (strlensi): Initialize eoschar and align before use.
5039 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5041 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
5042 CONSTRUCTOR element.
5044 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
5046 * mips.c (mips_expand_prologue): If the last
5047 named argument is the vararg marker "va_list", treat it as
5048 an unnamed argument.
5050 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
5052 * dbxout.c (dbxout_parms): When correcting for promoted
5053 big-endian parameters, use the mode of the DECL_RTL rather
5054 than UNITS_PER_WORD.
5056 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
5058 * c-common.h (make_fname_decl): Declare.
5059 * c-common.c (make_fname_decl): Define.
5060 (declare_hidden_char_array): Remove.
5061 (declare_function_name): Use make_fname_decl.
5062 * c-decl.c (c_make_fname_decl): New function.
5063 (init_decl_processing): Set make_fname_decl.
5065 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
5067 * cccp.c (handle_directive): Initialize backslash_newlines_p.
5069 2000-03-07 Philipp Thomas <pthomas@suse.de>
5071 * po/POTFILES.in: Remove cppalloc.c from file list.
5073 2000-03-07 Steve Chamberlain <sac@pobox.com>
5075 * pj.c (pj_expand_prologue): current_function->args_info is
5076 now current_function_args_info.
5078 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
5079 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
5080 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
5082 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5084 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
5085 output as hexadecimal rather than the default octal.
5087 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
5089 * cpphash.c (special_symbol): Fix thinko in previous commit.
5091 2000-03-07 Neil Booth <NeilB@earthling.net>
5093 * cppexp.c (struct operation, left_shift, right_shift,
5094 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
5095 "int"s to "unsigned int"s.
5096 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
5098 * cpplib.h: Update for above.
5099 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
5100 returned from allocations.
5102 * cppinit.c (opt_comp, parse_options): New functions.
5103 (handle_option): Use parse_option to parse a single command
5104 line option, that possibly takes an argument.
5105 (cpp_handle_options): Sort the array of command line options on
5106 first invocation (non-ASCII hosts only).
5107 (print_help): Update.
5109 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
5111 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
5112 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
5114 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
5116 * cppinit.c (cpp_cleanup): Free imp->nshort also.
5118 * cpperror.c (cpp_print_containing_files,
5119 cpp_print_file_and_line, v_cpp_message): Rename to
5120 print_containing_files, print_file_and_line, and v_message.
5121 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
5122 to _cpp_parse_expr, parse_escape, and lex.
5123 (parse_charconst): Remove broken multibyte support.
5124 * cppfiles.c (include_hash): Make static.
5125 (cpp_included): New function.
5126 (merge_include_chains, find_include_file, finclude,
5127 simplify_pathname): Rename to _cpp_merge_include_chains,
5128 _cpp_find_include_file, _cpp_read_include_file, and
5129 _cpp_simplify_pathname.
5130 * cpphash.c (cpp_lookup, free_definition, delete_macro,
5131 cpp_install, create_definition, macroexpand, compare_defs,
5132 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
5133 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
5134 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
5135 * cppinit.c (cpp_handle_option): Rename to handle_option, make
5137 * cpplib.c: Remove extern prototype of cpp_parse_expr.
5139 * cpphash.h: Update prototypes.
5140 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
5142 2000-03-07 Andrew Haley <aph@cygnus.com>
5144 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
5145 PTRDIFF_TYPE should be based solely on Pmode.
5148 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5150 * rtl.h (rtunion_def): Constify member `rtstr'.
5151 (emit_line_note_after, emit_line_note, emit_line_note_force,
5152 emit_note, decode_asm_operands): Constify.
5154 * cse.c (canon_hash): Likewise.
5156 * dbxout.c (dbxout_block): Likewise.
5158 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
5159 v_warning_for_asm): Likewise.
5161 * dwarfout.c (function_start_label): Likewise.
5163 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
5164 emit_line_note_force): Likewise.
5166 * final.c (last_filename, asm_insn_count, final_scan_insn,
5167 output_source_line): Likewise.
5169 * function.h (struct emit_status): Likewise.
5171 * gcse.c (hash_expr_1): Likewise.
5173 * genattr.c (gen_attr, main): Likewise.
5175 * genattrtab.c (struct function_unit, current_alternative_string,
5176 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
5177 attr_numeral, check_attr_test, check_attr_value,
5178 convert_set_attr_alternative, convert_set_attr,
5179 compute_alternative_mask, simplify_by_exploding, gen_attr,
5180 gen_unit): Likewise.
5182 * genflags.c (gen_insn): Likewise.
5184 * gengenrtl.c (type_from_format): Likewise.
5186 * genopinit.c (gen_insn): Likewise.
5188 * genoutput.c (n_occurrences, process_template, process_template):
5191 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
5194 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
5197 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
5198 ggc_set_mark, ggc_get_size): Likewise.
5200 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
5202 * optabs.c (init_one_libfunc): Likewise.
5204 * output.h (assemble_start_function): Likewise.
5206 * recog.c (decode_asm_operands): Likewise.
5208 * toplev.c (rest_of_compilation): Likewise.
5210 * tree.h (emit_line_note_after, emit_line_note,
5211 emit_line_note_force): Likewise.
5213 * varasm.c (asm_output_bss, asm_output_aligned_bss,
5214 asm_emit_uninitialised, assemble_start_function,
5215 assemble_variable, const_hash, compare_constant_1,
5216 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
5218 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
5220 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
5222 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
5224 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
5226 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
5227 arm_dllimport_name_p): Likewise.
5229 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
5232 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
5234 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5236 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
5237 arm_mark_dllexport, arm_mark_dllimport,
5238 arm_pe_encode_section_info): Likewise.
5240 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
5241 ASM_FINISH_DECLARE_OBJECT): Likewise.
5243 * arm/thumb.c (thumb_function_prologue): Likewise.
5245 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
5247 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5249 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
5251 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
5253 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
5255 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5257 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
5258 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
5260 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
5262 * i386/i386.c (asm_output_function_prefix): Likewise.
5264 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
5266 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5268 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
5270 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
5271 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
5272 ASM_OUTPUT_SECTION_NAME): Likewise.
5274 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
5276 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
5278 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
5280 * m32r/m32r.c (m32r_encode_section_info): Likewise.
5282 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5284 * mcore/mcore.c (mcore_encode_section_info): Likewise.
5286 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5288 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5290 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5292 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
5294 * mips/mips.md (movdi, movsi): Likewise.
5296 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5298 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5300 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5302 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
5303 ASM_OUTPUT_ASCII): Likewise.
5305 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
5306 output_mi_thunk, output_toc): Likewise.
5308 * rs6000/rs6000.md (movsi): Likewise.
5310 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
5312 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
5314 * v850/v850.c (print_operand, print_operand_address,
5315 v850_encode_data_area): Likewise.
5317 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
5319 * config/mips/mips.md (zero_extendsidi2): Always force operand
5320 one to memory for mips16.
5322 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5324 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
5325 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
5326 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
5327 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
5328 (min_precision): Result is unsigned.
5329 (add_double, neg_double, mul_double): Low word is unsigned.
5330 (lshift_double, rshift_double, lrotate_double): Likewise.
5331 (rrotate_double, div_and_round_double): Likewise.
5332 (tree_floor_log2, compare_tree_int): New functions.
5333 (preserve_rtl_expr_temps): New declaration.
5334 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
5335 (decl_attributes): Use tree_log2 to find alignment.
5336 Check for TREE_INT_CST_HIGH for format args.
5337 (min_precision): Now unsigned.
5338 Use tree_floor_log2.
5339 (truthvalue_conversion): Delete long-disabled code.
5340 * c-decl.c (finish_struct): Clean up tests on field width.
5341 (finish_function): Use compare_tree_int.
5342 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
5343 * c-typeck.c (comptypes): Use tree_int_cst_equal.
5344 (default_conversion, digest_init): Use compare_tree_int.
5345 (build_binary_op): Use integer_all_onesp and compare_tree_int.
5346 Fix type errors in forming masks.
5347 * calls.c (initialize_argument_information): Use compare_tree_int.
5348 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
5349 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
5350 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
5351 (store_field): Use compare_tree_int.
5352 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
5353 (expand_expr, case ARRAY_REF): Use compare_tree_int.
5354 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
5355 (do_store_flag): Use compare_tree_int.
5356 * fold-const.c (encode, decode): Low part is always unsigned.
5357 (force_fit_type, add_double, neg_double, mul_double): Likewise.
5358 (lshift_double, rshift_double, lrotate_double): Likewise.
5359 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
5360 (fold_convert): Use compare_tree_int.
5361 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
5362 (invert_truthvalue, case INTEGER_CST): Likewise.
5363 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
5364 * mkdeps.c (deps_dummy_targets): Make I unsigned.
5365 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
5366 (lshift_double, rshift_double, lrotate_double, rrotate_double):
5368 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
5369 (expand_end_case): Use compare_tree_int.
5370 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
5371 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
5372 (layout_decl): Likewise.
5373 (layout_record, layout_union): Make sizes unsigned.
5374 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
5375 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
5376 * tree.c (struct type_hash): hashcode is unsigned.
5377 (build_type_attribute_variant, type_hash_list): Likewise.
5378 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
5379 (attribute_hash_list, build_array_type, build_method_type): Likewise.
5380 (build_complex_type): Likewise.
5381 (real_value_from_int_cst): Remove unneeded casts.
5382 (integer_all_onesp): Add casts.
5383 (tree_floor_log2, compare_tree_int): New functions.
5384 (build_index_type): Use tree_int_cst_sgn.
5385 * varasm.c (assemble_variable): Use compare_tree_int.
5387 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
5389 * cpphash.c (collect_expansion): Also catch ## at start of macro.
5391 * varasm.c (make_decl_rtl): Don't add a number to members of
5393 (make_function_rtl): Likewise.
5395 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5397 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
5398 patch from 2000-01-28.
5400 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
5402 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
5403 filled with an insn from the jump target.
5405 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5407 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
5408 (c4x_external_ref): Likewise.
5409 * config/c4x/c4x.c (struct name_list): Likewise.
5411 1999-12-16 Ben Collins <bcollins@debian.org>
5413 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
5414 argument to genmultilib.
5415 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
5416 the contents into the multilib.h header.
5417 * gcc.c: Declare multilib_exclusions for the specs file.
5418 (set_multilib_dir): Use it.
5419 (print_multilib_info): Likewise.
5420 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
5421 to pass to genmultilib.
5423 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5425 * builtins.c (built_in_class_names, built_in_names): Constify a
5428 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
5430 (_mcleanup): Ensure value matches format specifier in sprintf.
5432 * cpphash.c (special_symbol): Don't needlessly cast away
5435 * cppinit.c (base_name): Delete unused prototype.
5437 * mkdeps.c (deps_init): Make definition K&R safe.
5439 * tree.h (built_in_class_names, built_in_names): Constify a
5442 2000-03-06 Jakub Jelinek <jakub@redhat.com>
5444 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
5445 floating point instructions for epilogue delay.
5447 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
5448 to gas if it supports .register pseudo.
5450 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
5451 LONG_DOUBLE_TYPE_SIZE if not defined.
5452 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
5453 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
5455 * gengenrtl.c: Likewise.
5456 * print-rtl.c: Likewise.
5458 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
5459 MASK_LONG_DOUBLE_128.
5460 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
5461 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
5462 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
5463 (SUBTARGET_SWITCHES): Define.
5464 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
5465 with -mlong-double-128.
5466 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5467 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5468 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5469 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
5470 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
5471 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
5472 with -mlong-double-128.
5473 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
5474 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
5475 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
5476 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
5477 TARGET_LONG_DOUBLE_128): Define.
5478 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
5479 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
5480 long double on TARGET_ARCH64.
5482 2000-03-06 Mark Mitchell <mark@codesourcery.com>
5484 * function.c (free_temps_for_rtl_expr): Don't free slots
5485 that have been pushed into a higher level.
5488 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5490 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5492 * basic-block.h (ALLOCA_REG_SET): Remove.
5493 (INITIALIZE_REG_SET): New macro.
5494 * flow.c (update_life_info): Use it.
5495 (calculate_global_regs_live): Likewise.
5496 (propagate_block): Likewise.
5497 * global.c (build_insn_chain): Likewise.
5498 * haifa-sched.c (schedule_region): Likewise.
5500 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
5502 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
5503 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
5504 (DWARF_ARANGES_PAD_SIZE): New define.
5505 (output_aranges): Use it to pad the address range header.
5506 (DWARF_ROUND): Fix for non power of 2 rounding.
5508 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
5510 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
5512 2000-03-05 Mark Mitchell <mark@codesourcery.com>
5514 * tree.def (RTL_EXPR): Update documentation.
5515 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
5516 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
5517 * function.c (preserve_rtl_expr_temp): New function.
5518 (preserve_rtl_expr_temps): Likewise.
5519 (preserve_rtl_expr_result): Use it.
5522 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5524 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
5526 * regmove.c (copy_src_to_dest) Do not create src->dest move
5527 for unchanging destination.
5529 2000-03-04 Mark Mitchell <mark@codesourcery.com>
5531 * function.h (struct sequence_stack): Remove rtl_expr.
5532 (struct emit_staus): Likewise.
5533 (seq_rtl_expr): Remove.
5534 * tree.h (free_temps_for_rtl_expr): Don't declare.
5535 (start_sequence_for_rtl_expr): Likewise.
5536 * rtl.h (preserve_rtl_expr_result): Likewise.
5537 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
5538 (start_sequence_for_rtl_expr): Remove.
5539 (push_topmost_sequence): Don't save sequence_rtl_expr.
5540 (pop_topmost_sequence): Remove comment about not restoring it.
5541 (end_sequence): Don't set seq_rtl_expr.
5542 (init_emit): Don't initialize it.
5543 (mark_sequence_stack): Don't mark it.
5544 (mark_emit_status): Likewise.
5545 * except.c (protect_with_terminate): Use
5546 start_sequence_for_rtl_expr, not start_sequence.
5547 * expr.c (expand_expr, case RTL_EXPR): Don't call
5548 preserve_rtl_expr_result or free_temps_for_rtl_expr.
5549 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
5550 (preserve_rtl_expr_result): Remove.
5551 (free_temps_for_rtl_expr): Likewise.
5552 (pop_temp_slots): Likewise.
5553 (mark_temp_slot): Don't mark the rtl_expr.
5554 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
5555 start_sequence_for_rtl_expr.
5557 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
5559 * mkdeps.c, mkdeps.h: New files.
5560 * po/POTFILES.in: Add them.
5561 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
5562 (cpplib.o, cppinit.o): Depend on mkdeps.h.
5563 (mkdeps.o): New target.
5565 * cppfiles.c: Delete deps_output.
5566 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
5567 OBJECT_SUFFIX, and base_name.
5568 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
5570 (initialize_dependency_output): Use deps_init,
5571 deps_add_target, deps_calc_target, and deps_add_dep. Remove
5572 all the unnecessary string bashing.
5573 (cpp_finish): Use deps_write. Remove an unnecessary nesting
5575 * cpplib.c (do_include): Use deps_add_dep.
5576 * cpplib.h (struct cpp_reader): Replace deps_buffer,
5577 deps_allocated_size, deps_size, deps_column members with
5578 single pointer to a struct deps. Delete prototype of
5581 * cppinit.c: Fix thinko in previous patch.
5583 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5585 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
5586 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
5587 (mode_for_size_tree): New function.
5588 (layout_decl, layout_type): Call it and clean up BLKmode checks.
5589 * tree.h (mode_for_size_tree): New declaration.
5591 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
5593 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
5595 * stmt.c (is_body_block): Move...
5596 * dwarfout.c, dwarf2out.c: ...from here.
5597 * tree.h: Declare it.
5598 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
5599 * final.c (final_start_function): Do call remove_unnecessary_notes
5602 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5604 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
5606 * cpplib.h (_dollar_ok): New macro.
5607 (is_idchar, is_idstart): Use it.
5608 (IStable): Rename to _cpp_IStable. Declare it const if
5609 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
5610 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
5611 is_space): Update for renamed IStable.
5613 * cppinit.c: Delete all references to FAKE_CONST and CAT
5614 macros. Define init_IStable as empty macro if gcc >=2.7 or
5615 C99. Change TABLE() to ISTABLE and hardcode name of table.
5616 (cpp_start_read): Don't change the IStable based on
5619 * cpphash.c (unsafe_chars): Add pfile argument. All callers
5620 changed. Handle '$' for char1 correctly.
5621 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
5623 * cppexp.c (tokentab2): Make const.
5624 (cpp_lex): Make toktab const.
5625 * cppinit.c (include_defaults_array): Make const.
5626 (initialize_standard_includes): Make default_include const.
5628 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5630 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
5631 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
5632 (gen_decl_die): Likewise.
5633 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
5634 (output_decl): Likewise.
5636 * varasm.c (make_function_rtl): If we change the name used in the
5637 rtl, update DECL_ASSEMBLER_NAME accordingly.
5638 (make_decl_rtl): Likewise.
5640 * toplev.c (rest_of_compilation): Tweak formatting.
5642 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
5643 remove_unnecessary_notes.
5644 (debug_ignore_block): New fn.
5645 * toplev.h: Declare it.
5646 * emit-rtl.c (remove_unncessary_notes): Call it.
5647 * dwarf2out.c (dwarf2out_ignore_block): New fn.
5648 * dwarf2out.h: Declare it.
5649 * final.c (final_start_function): Don't call remove_unnecessary_notes
5650 if we did insn scheduling.
5652 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
5654 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
5655 * cpplib.h: Delete SET_CPP_PEDANTIC.
5657 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5659 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
5660 result is a RECORD_TYPE.
5662 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
5664 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
5666 2000-03-03 Richard Henderson <rth@cygnus.com>
5668 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
5669 addition over compliments over shifts.
5671 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5673 * reload1.c (reload_combine_note_use): Handle return register USEs.
5674 REG case: Handle multi-hard-register hard regs.
5676 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5678 * md.texi: Document use of '*' in insn pattern name.
5680 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
5682 * calls.c (special_function_p): operator new may not be malloc-like.
5684 * gcse.c (dump_hash_table): Really fix error in last change.
5686 2000-03-02 Denis Chertykov <denisc@overta.ru>
5688 * avr.c (print_operand): Use print_operand_address instead of
5690 * avr/libgcc.S: Cleanup code.
5692 2000-03-02 Richard Henderson <rth@cygnus.com>
5694 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
5696 2000-03-02 Mark Mitchell <mark@codesourcery.com>
5698 * tree.h (TYPE_ALIGN_UNIT): New macro.
5700 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
5702 * i386.c: (constant_call_address_operand): Reject CONST_INT.
5704 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
5706 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
5708 (SET_CPP_PEDANTIC): New macro.
5709 * cpplib.c (do_include): Don't bother checking system_header_p.
5710 (do_warning, do_ident, do_assert, do_unassert): Likewise.
5711 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
5713 * function.h (struct expr_status): Add x_arg_space_so_far.
5714 (arg_space_so_far): New macro.
5715 * expr.c (init_expr): Initialize it.
5716 * calls.c (emit_call_1): Reset it.
5717 (compute_argument_block_size, expand_call): Use it.
5718 (expand_call, store_one_arg): Increment it.
5720 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5722 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
5725 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
5727 * cppfiles.c (cpp_read_file): New function.
5729 * cpphash.c (collect_expansion): Make sure to reset last_token
5730 to NORM when we hit a string. Handle trailing whitespace
5731 properly when the expansion is empty.
5732 (create_definition): Disable line commands while parsing the
5734 (dump_definition): If pfile->lineno == 0, output a line
5735 command ahead of the dump, and add a trailing newline.
5737 * cppinit.c (append_include_chain): Add fifth argument, which
5738 indicates whether or not system headers are C++ aware.
5739 (initialize_standard_includes): New function,
5740 broken out of read_and_prescan. Pass 'cxx_aware' value from
5741 the include_defaults_array on to append_include_chain.
5742 (dump_special_to_buffer): Const-ify char array.
5743 (builtin_array): Don't dump __BASE_FILE__.
5744 (cpp_start_read): Use cpp_read_file. Reorder code for
5745 clarity. Don't output line commands here for -D/-A/-U
5746 switches. Don't call deps_output for files included with
5747 -include or -imacros.
5749 * cpplib.c (do_define): Don't pay any attention to the second
5751 (cpp_expand_to_buffer): Disable line commands while scanning.
5752 (output_line_command): Work in the file buffer.
5753 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
5754 Fix formatting of comments. Prototype cpp_read_file.
5756 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5758 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
5759 reference the language-equivalent of sizetype.
5760 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
5761 * fold-const.c (size_binop, size_diffop): Put back checks.
5762 * gcse.c (dump_hash_table): Fix minor error in last change.
5763 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
5764 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
5767 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
5769 * calls.c (expand_call) Do not attempt to combine stack adjustments
5770 with inhibit_defer_pop set.
5772 2000-03-01 Mark Mitchell <mark@codesourcery.com>
5774 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
5775 the DECL_SIZE for a FIELD_DECL.
5777 2000-03-01 Bruce Korb <bkorb@gnu.org>
5779 * fixinc/inclhack.tpl: remove unused symlinks
5780 * fixinc/README: GCC Maintainer info
5781 * fixinc/inclhack.sh: regen
5782 * fixinc/fixincl.sh: regen
5784 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
5786 * cpphash.c (collect_expansion): Trim trailing white space
5787 from macro definitions, but don't go past the last insertion
5790 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
5792 * i386.md (mulqi3): New pattern.
5794 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
5796 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
5798 (struct cpp_reader): Add parsing_if_directive and
5799 parsing_define_directive flags.
5800 (struct cpp_options): Remove output_conditionals flag.
5801 (check_macro_name): Delete prototype.
5803 * cpphash.h (struct macrodef): Delete.
5804 (struct reflist): Separate from struct definition.
5805 (struct definition): Remove unused fields. Add column number.
5806 (create_definition): Returns a DEFINITION *. Takes a
5807 cpp_reader * and an int.
5809 * cpphash.c (SKIP_WHITE_SPACE): Delete.
5810 (PEEKC): Copy defn from cpplib.c.
5811 (rest_extension, REST_EXTENSION_LENGTH): Delete.
5813 (struct arglist): Simplify.
5814 (collect_expansion): Rewrite. Get tokens by calling
5815 cpp_get_token. Add more error checking.
5816 (collect_formal_parameters): New function, broken out of
5817 create_definition and reworked to use get_directive_token.
5818 (create_definition): All real work is now in collect_expansion
5819 and collect_formal_parameters. do_define handles finding the
5820 macro name. Return a DEFINITION, not a MACRODEF.
5821 (macroexpand): Replace bcopy with memcpy throughout. Replace
5822 character-at-a-time copy loop with memcpy and pointer increments.
5823 (compare-defs): d1->argnames / d2->argnames might be null.
5825 * cpplib.c (copy_rest_of_line): Delete function.
5826 (skip_rest_of_line): Do all the work ourselves.
5827 (skip_string): New function.
5828 (parse_string): Use skip_string.
5829 (get_macro_name): New function.
5830 (check_macro_name): Delete.
5831 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
5832 (cpp_skip_hspace): Use CPP_BUMP_LINE.
5833 (handle_directive): ICE if we're called on a macro buffer.
5834 (do_define): Determine macro name and type (funlike/objlike)
5835 here. Expunge all uses of MACRODEF.
5836 (cpp_push_buffer): Set line_base to NULL.
5837 (do_undef, read_line_number): Don't worry about getting a POP token.
5838 (eval_if_expression): Set/reset parsing_if_directive around
5839 cpp_parse_expr. Don't clear only_seen_white.
5840 (skip_if_group): Remove output_conditionals logic. Use
5842 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
5843 tokens under appropriate conditions.
5844 (cpp_unassert): Call do_unassert not do_assert. Oops.
5846 * cppexp.c (parse_defined): New function, break out of
5848 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
5849 ourselves, with cpp_defined.
5850 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
5852 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
5853 * gcc.dg/strpaste-2.c: New.
5855 2000-02-29 Mark Mitchell <mark@codesourcery.com>
5857 * fold-const.c (size_binop): Don't asert inputs are the same and
5858 have TYPE_IS_SIZETYPE set.
5859 (size_diffop): Likewise.
5861 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
5863 * dwarfout.c (output_block): Output abstract blocks even if they
5864 don't have TREE_ASM_WRITTEN set.
5866 * calls.c (emit_library_call): Check for null REG.
5868 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
5870 * c-decl.c (current_function_decl): Move to toplev.c.
5871 (init_decl_processing): Don't add current_function_decl as a ggc
5873 * dbxout.c (dbxout_symbol): Change return type to int.
5874 (dbxout_symbol_location, dbxout_syms): Likewise.
5875 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
5876 any locals. Use current_function_func_begin_label if set.
5877 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
5878 * dwarf2out.c (dwarf2out_begin_prologue): Set
5879 current_function_func_begin_label.
5880 * final.c (final_start_function): Reset it.
5881 * toplev.c (current_function_decl): Define it here.
5882 (current_function_func_begin_label): New variable.
5883 (main): Add both as ggc roots.
5884 * tree.h (current_function_func_begin_label): Declare.
5886 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5888 * gcse.c: Cleanups throughout: mostly white-space, but also
5889 some minor rearrangement of code.
5891 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
5893 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
5894 returns a PARALLEL. Use emit_group_load and use_group_regs
5896 (emit_library_call_value): Similarly.
5898 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
5899 * pa/quadlib.asm: Remove.
5900 * pa/quadlib.c: New file.
5902 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
5903 * configure: Rebuilt.
5905 2000-02-29 Philip Blundell <pb@futuretv.com>
5907 * config/arm/conix-elf.h: New file.
5908 * configure.in (arm*-*-conix*): New configuration.
5909 * configure: Regenerate.
5911 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
5913 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
5914 don't have TREE_ASM_WRITTEN set.
5916 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5918 * Eliminate DECL_FIELD_SIZE.
5919 * builtins.c (built_in_class_names, built_in_names): New variables.
5920 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
5921 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
5922 DECL_SIZE, not DECL_FIELD_SIZE.
5923 * print-tree.c (print_node): Remove code that prints extra blank
5924 lines in some cases.
5925 Properly handle inline and builtin function cases.
5926 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
5927 * tree.h (built_in_class_named, built_in_names): New declarations.
5928 (union tree_decl): Rename internal unions to u1 and u2 and change
5929 some of their components.
5930 Add new field built_in_class.
5931 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
5932 Reflect above changes.
5933 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
5934 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
5935 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
5936 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
5938 2000-02-28 Dmitri Makarov <dim@windriver.com>
5940 * extend.texi: Document ARM's support for long/short calls.
5942 * invoke.texi: Document ARM's -mlong-calls command line switch.
5944 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
5945 (arm_encode_call_attribute): Add prototype.
5946 (arm_set_default_type_attribute): Add prototype.
5947 (arm_strip_name_encoding): Add prototype.
5949 * config/arm/arm.c (arm_init_cumulative_args): replace
5950 initialisation og 'long_calls' field with initialisation of
5951 'call_cookie' field.
5952 (enum arm_pragma_enum): New enum.
5953 (arm_pragma_long_calls): New static variable.
5954 (arm_process_pragma): Also process "#pragma long_calls_off".
5955 (arm_valid_type_attribute_p): Accept short_call attribute.
5956 (arm_comp_type_attributes): Check long/short call attributes.
5957 (arm_encode_call_attribute): New function: Encode long_call
5958 or short_call attribute in function name.
5959 (arm_set_default_type_attributes): New function: Assign
5960 default attributes to newly defined type.
5961 (current_file_function_operand): New function: Return true if
5962 the symbol is a function which has already been compiled.
5963 (arm_is_longcall_p): New function: Return true if the
5964 indicated function should be called via a long call.
5965 (arm_get_strip_length): New function. Returns number of
5966 prefix characters to be stripped from a function's name.
5967 (arm_strip_name_encoding): New function. Strip prefix characters
5968 from a function's name.
5970 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
5972 (SHORT_CALL_FAG_CHAR): Define.
5973 (LONG_CALL_FAG_CHAR): Define.
5974 (ENCODED_SHORT_CALL_ATTR_P): Define.
5975 (ENCODED_LONG_CALL_ATTR_P): Define.
5976 (ARM_NAME_ENCODING_LENGTHS): Define.
5977 (STRIP_NAME_ENCODING): Define.
5978 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
5979 (ARM_ENCODE_CALL_TYPE): Define.
5980 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
5981 (ARM_DECLARE_FUNCTION_SIZE): Define.
5982 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
5984 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
5985 if a long call is needed.
5986 (call_value): Ditto.
5987 (call_symbol): Ditto.
5989 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
5990 ARM_DECLARE_FUNCTION_SIZE.
5992 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
5993 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
5994 (ARM_STRIP_NAME_ENCODING): Undefine.
5995 (STRIP_NAME_ENCODING): Undefine.
5996 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
5997 (ASM_DECLARE_FUNCTION_NAME): Ditto.
5998 (ASM_OUTPUT_COMMON): Ditto.
5999 (ASM_DECLARE_OBJECT_NAME): Ditto.
6001 * config/arm/pe.c (arm_dllexport_name_p): Check for
6003 (arm_dllimport_name_p): Ditto.
6004 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
6005 (arm_mark_dllimport): Ditto.
6007 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6009 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
6011 2000-02-28 Mark Mitchell <mark@codesourcery.com>
6013 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
6015 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
6017 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
6018 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
6019 NO_BUILTIN_WCHAR_TYPE is not defined.
6020 (CPP_WCHAR_TYPE): Delete.
6021 * cccp.c (main): Don't change wchar_type if cplusplus.
6022 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
6024 2000-02-28 Nick Clifton <nickc@cygnus.com>
6026 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
6028 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
6030 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
6031 (ASM_WEAKEN_LABEL): Define.
6033 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
6035 * expr.c (store_constructor): Do not emit USE.
6036 * rtl.h (stupid_life_analysis): Remove.
6038 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6040 * function.c (number_blocks): Reset next_block_index based on
6041 what debugging format is used, not what is defined.
6043 * lcm.c: Minor reformatting throughout.
6044 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
6046 * toplev.c (rest_of_compilation): Account for time in
6047 optimize_mode_switching.
6049 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
6050 if only marking labels.
6052 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
6054 * calls.c (expand_call): Attempt to combine stack adjustments with
6055 pending stack adjustments.
6057 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6059 * loop.c (reg_in_basic_block_p): Don't abort when falling through
6060 to the end of the function.
6062 2000-02-27 Mark Mitchell <mark@codesourcery.com>
6064 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
6066 * final.c (next_block_index): Remove.
6067 (max_block_depth): Likewise.
6068 (pending_blocks): Likewise.
6069 (init_final): Don't initialize them.
6070 (final_start_function): Don't set next_block_index. Set up
6072 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
6073 * function.h (number_blocks): New function.
6074 * function.c (get_block_vector): New function.
6075 (identify_blocks): Use it.
6076 (reorder_blocks): Set NOTE_BLOCK.
6077 (number_blocks): New function.
6078 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
6079 * tree.h (BLOCK_NUMBER): New macro.
6080 (tree_block): Add block_num field.
6081 * dbxout.c (next_block_number): Remove.
6082 (dbxout_init): Don't set it.
6083 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
6084 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
6086 * toplev.c (rest_of_compilation): Always call
6087 find_loop_tree_blocks. Fix indentation.
6088 * dwarf2out.c (next_block_number): Remove.
6089 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
6090 to determine block numbers.
6091 (gen_inlined_subroutine_die): Likewise.
6092 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
6093 (decls_for_scope): Don't increment next_block_number.
6094 * dwarfout.c (next_block_number): Remove.
6095 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
6096 to determine block numbers.
6097 (output_inlined_subroutine_die): Likewise.
6098 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
6099 (output_decls_for_scope): Don't increment next_block_number.
6100 * sdbout.c (next_block_number): Remove.
6101 (sdbout_block): Use BLOCK_NUMBER.
6102 (sdbout_begin_block): Simplify.
6103 * xcoffout.c (next_block_number): Remove.
6104 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
6105 (xcoffout_begin_block): Don't set next_block_number.
6106 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
6109 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6111 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
6112 (expand_builtin_strcpy): Pass correct type to size_binop.
6113 (expand_builtin_strcmp): Likewise.
6114 Clean up conditional structure.
6115 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
6116 (complete_array_type): Don't use size_binop for MAXINDEX.
6117 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
6118 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
6119 (c_alignof): Use size_one_node.
6120 (build_unary_op): Pass arg of proper type to size_binop.
6121 (really_start_incremental_init, push_init_level): Use sizetype for
6122 constructor{,_bit,_unfilled}_index.
6123 (pop_init_label, output_init_element): Likewise.
6124 (output_pending_init_elements, process_init_element): Likewise.
6125 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
6126 * expr.c (store_expr): Use size_int.
6127 (store_constructor): Use proper types for size_binop args.
6128 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
6129 (expand_expr_unaligned): Likewise.
6130 (string_contant): Return object of sizetype.
6131 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
6132 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
6133 (ARGS_SIZE_TREE): Pass proper types to size_binop.
6134 * fold-const.c (int_const_binop): Refine when size_int is called.
6135 (fold_convert): Likewise.
6136 (size_int_wide): Rework to take KIND as arg, only take low order
6137 bits, handle new sizetype_tab datatype, and chain entries in
6139 (size_int_type_wide): New function.
6140 (size_binop): Validate types of arguments.
6141 (ssize_binop): Deleted.
6142 (size_diffop): New function.
6143 (extract_muldiv): Only fold division into multiplication for sizetypes.
6144 * function.c (assign_parms): Use size_diffop and make sure
6145 VAR field is of ssizetype; also pass proper type to size_binop.
6146 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
6147 (round_down): Deleted from here.
6148 * store-layout.c (sizetype_tab): Now an array.
6149 (sizetype_set, early_root_list): New variables.
6150 (variable_size): Use size_one_node.
6151 (round_up): Pass proper type to size_binop.
6152 (round_down): Moved to here and corrected as above.
6153 (layout_record): Pass proper arg types to size_binop.
6154 (layout_type): Likewise.
6155 If sizetype_set is zero, record the type just laid out.
6156 (make_unsigned_type): Don't call set_sizetype;
6157 (make_signed_type): Likewise; also, call fixup_signed_type.
6158 (initialize_sizetypes): New function.
6159 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
6160 set name of bitsizetype to "bit_size_type".
6161 Fix up type of sizes of all types made before call.
6162 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
6163 * tree.c (fix_sizetype): Deleted.
6164 (build_common_tree_nodes): Call initialize_sizetypes.
6165 (build_common_tree_nodes_2): Don't call fix_sizetype.
6166 * tree.h (TYPE_IS_SIZETYPE): New macro.
6167 (initialize_sizetype): New declaration.
6168 (enum size_type_kind): New type.
6169 (struct sizetype_tab): Deleted.
6170 (sizetype_tab): Now array; adjust sizetype macros.
6171 (size_diffop, size_int_type_wide): New functions.
6172 (size_int_wide): Change number of args and type; access macros changed.
6173 (ssize_int, sbitsize_int): New macros.
6174 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
6175 (ROUND_TYPE_SIZE_UNIT): New macro.
6177 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
6179 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
6181 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6183 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
6184 Mark as possibly unused.
6186 * cse.c (cse_insn): Delete dead code involving tablejump.
6187 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
6189 * Makefile.in (libcpp.a): Start by deleting it.
6191 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6193 * cpplib.h (enum file_change_code): Added rename_file.
6194 * cpplib.c (do_line): If a filename is given, set file_change to
6196 (output_line_command): If file_change is rename_file, always
6197 output a # directive with the file name.
6199 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
6201 2000-02-26 Mark Mitchell <mark@codesourcery.com>
6203 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
6204 when copying a PARM_DECL or RESULT_DECL.
6206 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6208 * fix-header.c (recognized_function): Also fix prototypes for
6209 functions taking "void".
6211 2000-02-26 Geoff Keating <geoffk@cygnus.com>
6213 * reload1.c (do_output_reload): Check reg_reloaded_valid before
6214 looking at reg_reloaded_contents.
6216 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
6218 * Makefile.in (STMP_FIXINC): New toggle.
6219 (LIBGCC2_DEPS): Delete all references.
6220 (stmp-headers): Delete target. All references either deleted
6221 or changed to stmp-int-headers.
6222 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
6223 (LIBCPP_OBJS): Take out cppalloc.o.
6224 (cppalloc.o): Delete target.
6225 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
6226 (gen-protos, fix-header): Link with libiberty.a.
6227 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
6230 * configure.in: Remove refs to strerror.
6231 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
6232 * system.h: Take out strerror stanza.
6234 * cpperror.c (my_strerror): Delete function.
6235 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
6236 * cppmain.c (main): Call xmalloc_set_program_name first thing.
6237 * cppalloc.c: Delete file.
6238 * gen-protos.c: Don't provide xrealloc.
6240 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
6241 xstrerror throughout.
6243 2000-02-26 Bruce Korb <bkorb@gnu.org>
6245 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
6246 match for DOS headers, too.
6247 * fixinc/inclhack.sh,fixincl.x: Regenerate.
6249 2000-02-26 Geoff Keating <geoffk@cygnus.com>
6251 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
6252 is right for most ELF targets.
6253 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
6254 Let the default file use %U properly.
6255 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
6258 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
6261 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6263 * toplev.c (documented_lang_options): Correct spelling error.
6264 (decode_d_option, decode_f_option, main): Likewise.
6266 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
6268 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
6269 to tell assembler it is permitted to expand large constants.
6271 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
6273 * protoize.c: (AUX_INFO_SUFFIX): New macro.
6274 (aux_info_suffix): Use.
6275 (SAVE_SUFFIX): New macro.
6277 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
6278 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
6279 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
6281 * invoke.texi (Running Protoize): Update documentation.
6283 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
6285 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
6287 2000-02-25 John Wehle (john@feith.com)
6289 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
6291 2000-02-25 Anthony Green <green@cygnus.com>
6293 * toplev.c (rest_of_compilation): Rebuild jump labels if
6294 combine_instructions has created a new direct jump.
6295 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
6297 (combine_instructions): Call try_combine with new argument.
6298 Return non-null value when new direct jump instruction is created.
6299 * rtl.h: combine_instructions returns an int.
6301 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
6303 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
6304 jump when changing a computed jump into a jump to a known
6307 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
6309 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
6310 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
6312 * i386.md (define_expand "clrstrsi"): Fix typo.
6314 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
6316 * rtl.texi: Fix typo.
6318 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6320 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
6321 UNITS_PER_WORD. Change caller initial_elimination_offset.
6322 (rounded_frame_size): Take into account that argument pushed has
6323 changed. Fix TARGET_ALIGN_DOUBLE problem.
6325 2000-02-25 Geoff Keating <geoffk@cygnus.com>
6327 * haifa-sched.c (schedule_block): Explain the real reason
6328 we delete REG_SAVE_NOTEs on the first insn of a block.
6329 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
6331 2000-02-24 Mark Mitchell <mark@codesourcery.com>
6333 * input.h (push_srcloc): New function.
6334 (pop_srcloc): Likewise.
6335 * toplev.c (push_srcloc): Define it.
6336 (pop_srcloc): Likewise.
6338 2000-02-24 Richard Henderson <rth@cygnus.com>
6340 * flow.c (life_analysis): When collecting reg info, clear
6343 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6345 Fix bug exposed by reload.c no longer rounding the frame
6346 size to BIGGEST_ALIGNMENT:
6347 * sh.c (rounded_frame_size): New function.
6348 (sh_expand_prologue, sh_expand_epilogue): Use it.
6349 (initial_elimination_offset): Likewise.
6351 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6353 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
6354 * sh-protos.h (sh_need_epilogue): Declare.
6355 * sh.c (sh_need_epilogue_known): New static variable.
6356 (sh_need_epilogue): New function.
6357 (function_epilogue): Clear need_epilogue_known.
6358 * sh.md (return): Split into expander / insn pattern.
6359 Make the expander conditional on ! sh_need_epilogue ().
6361 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
6363 * machmode.h (get_mode_alignment): Declare.
6364 (GET_MODE_ALIGNMENT): Call it.
6365 * stor-layout.c (get_mode_alignment): New function. Make
6366 sure alignment is always power of 2.
6368 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6370 * i386.h: Remove useless definition of "I386" and misleading
6373 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6375 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
6376 under which TREE_PERMANENT will be set.
6377 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
6378 build1): Use TREE_SET_PERMANENT.
6379 * print-tree.c (print_node): Don't report value of
6380 TREE_PERMANENT if ggc_p is true.
6382 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
6383 decide whether to give a type a new alias set.
6384 * objc/objc-act.c (build_objc_string_object): Never copy the string.
6385 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
6386 of value of 'obstack'.
6389 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6391 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
6393 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6395 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
6396 * cpplib.c (cpp_get_token): Produce them.
6397 * cppexp.c (cpp_lex): Handle them.
6399 2000-02-23 Nick Clifton <nickc@cygnus.com>
6401 * config/arm/arm.c (arm_comp_type_attributes): Simply and
6402 comment tests on type attributes.
6404 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6406 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
6407 conform to documentation.
6408 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
6409 to check for special cases.
6410 * sh-protos.h (sh_loop_align): Declare.
6411 * sh.c (sh_loop_align): Define.
6413 2000-02-22 Andrew Haley <aph@cygnus.com>
6415 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
6416 (SIZE_TYPE): Is 32 bits when using -mgp32.
6417 (PTRDIFF_TYPE): Ditto.
6419 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6421 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
6423 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
6425 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
6426 BIGGEST_FIELD_ALIGNMENT a constant.
6428 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
6430 * dwarf2out.c (output_line_info): Put the marker for the end of
6431 the line number info at the actual end.
6432 (gen_struct_or_union_type_die): Use decl_function_context
6433 to check for local classes.
6434 * dwarfout.c (output_type): Likewise.
6436 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
6438 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
6439 for arguments with a mode, but no type.
6440 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
6441 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
6442 * pa/long_double.h: New file.
6443 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
6444 both have 128bit wide long doubles.
6445 * configure: Rebuilt.
6447 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6449 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
6451 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
6452 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
6453 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
6455 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
6457 * integrate.c (compare_blocks, find_block): Likewise.
6459 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
6461 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
6463 * stmt.c (stmt_status, set_file_and_line_for_stmt,
6464 expand_asm_operands): Likewise.
6466 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
6468 * predict.c (estimate_probability): Added the pointer heuristic to
6469 the collection of static branch predictors.
6471 2000-02-21 Catherine Moore <clm@cygnus.com>
6473 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
6474 * invoke.texi (-mfix7000): Document.
6476 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
6478 * diagnostic.c (init_output_buffer): Make it possible to output at
6479 least 32 characters if we're given a too long prefix.
6481 2000-02-20 Mark Mitchell <mark@codesourcery.com>
6483 * varasm.c (initializer_constant_valid_p): Call
6484 lang_expand_constant to simplify the constant.
6486 2000-02-20 Bruce Korb <bkorb@gnu.org>
6488 * fixinc/inclhack.def(stdio_va_list):
6489 typedef needs to be disabled.
6490 * fixinc/inclhack.sh: regen
6491 * fixinc/fixincl.x: regen
6493 2000-02-20 Geoff Keating <geoffk@cygnus.com>
6495 * print-rtl.c (print_rtx): Don't print addresses when
6496 flag_dump_unnumbered.
6498 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6500 * sparc.c (sparc_output_scratch_registers): Mark parameter with
6502 (sparc_va_arg, sparc_flat_output_function_prologue,
6503 sparc_flat_output_function_epilogue): Cast value to unsigned in
6505 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
6507 * sparc.md: Add default case in switch.
6509 2000-02-19 Richard Henderson <rth@cygnus.com>
6511 * c-typeck.c (add_pending_init): Don't abort for multiple
6512 fields at the same offset.
6513 (pending_init_member): Test the correct member.
6515 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6517 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
6519 (start_catch_handler) : Same.
6521 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
6523 * Makefile.in: Have flow.o depend on $(EXPR_H)
6525 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6527 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
6528 * c-decl.c (duplicate_decls, finish_enum): Likewise.
6529 (finish_decl): Remove -Wlarger-than code from here.
6530 * flags.h (id_clash_len): Now int.
6531 (larger_than_size): Now HOST_WIDE_INT.
6532 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
6533 Clean up checking to see if in table.
6534 (make_bit_field_ref): Remove extra parm to bitsize_int.
6535 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
6536 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
6537 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
6538 and for computing size of decl.
6539 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
6540 Move -Wlarger-than code to here.
6541 (layout_record): Remove extra arg to bitsize_int.
6542 Set TYPE_BINFO_SIZE_UNIT.
6543 (layout_union): Remove extra arg to bitsize_int.
6544 Use proper type for size of QUAL_UNION.
6545 (layout_type): Remove extra arg to bitsize_int.
6546 * toplev.c (id_clash_len): Now int.
6547 (larger_than_size): Now HOST_WIDE_INT.
6548 (decode_W_option): Clean up id-clash and larger-than- cases.
6549 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
6550 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
6551 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
6552 (struct tree_decl): New field size_unit.
6553 (size_int_wide): No HIGH operand; NUMBER is now signed.
6554 (size_int_2): Deleted.
6555 (size_int, bitsize_int): Don't use it and rework args.
6556 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
6558 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
6560 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
6562 2000-02-18 Geoff Keating <geoffk@cygnus.com>
6564 * invoke.texi (Warning Options): Add an explanation of why
6565 you might want the -Wfloat-equal flag.
6567 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6569 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
6570 * cppinit.c (new_pending_define): Add cast to avoid warning.
6571 * expmed.c (extract_bit_field): Likewise.
6572 * flow.c (enum reorder_skip_type): New type.
6573 (skip_insns_between_blcok): New it.
6574 Rework to avoid warning about possibly undefined variable.
6575 * function.c (assign_parms): Make thisparm_boundary unsigned.
6576 * genrecog.c (write_switch): Cast XWINT result to int.
6577 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
6578 * mips-tfile.c (init_file): Make two versions of FDR intializer:
6579 one for MIPS and one for Alpha.
6580 (get_tag, copy_object): Add casts to avoid warnings.
6581 * optabs.c (init_one_libfunc): Cast NAME to (char *).
6582 * reload.c (find_reloads): Make TYPE enum reload_type.
6583 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
6584 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
6585 * varasm.c (compare_constant_1): Add cast to avoid warning.
6586 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
6588 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
6589 Cast switch operand of size to int.
6590 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
6591 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
6594 2000-02-18 Nick Clifton <nickc@cygnus.com>
6596 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
6597 anything for an alignment of zero.
6599 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
6600 anything for an alignment of zero.
6602 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
6604 * gcc.texi (Bug Reporting): Refer to bugs.html.
6605 (Bug Lists): Likewise.
6606 * system.h (GCCBUGURL): New preprocessor define.
6607 * rtl.c (fancy_abort): Use it.
6608 * gcc.c (main): Likewise.
6610 2000-02-18 Richard Henderson <rth@cygnus.com>
6612 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
6613 (life_analysis_1): Subsume into ...
6614 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
6615 Use update_life_info for the relaxation.
6616 (update_life_info): Update REG_BASIC_BLOCK for registers live on
6617 entry and regs_live_at_setjmp.
6618 (set_noop_p): Simplify.
6619 (notice_stack_pointer_modification_1): Renamed from s/_1//.
6620 (record_volatile_insns): Split into ...
6621 (delete_noop_moves): ... here,
6622 (notice_stack_pointer_modification): ... here,
6623 (insn_dead_p): ... and here.
6624 (propagate_block): Don't query INSN_VOLATILE.
6625 (mark_used_regs): Mind !PROP_REG_INFO.
6626 * toplev.c (rest_of_compilation): Call mark_constant_function here,
6627 not in life_analysis.
6629 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
6631 * loop.c (canonicalize_condition): New function,
6632 broken out of get_condition.
6633 (get_condition): Use it.
6634 * expr.h (canonicalize_condition): Prototype it.
6636 * tree.h (tree_int_cst_msb): Declare.
6637 * tree.c (tree_int_cst_msb): New function.
6639 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6641 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
6644 * invoke.texi (-fmessage-length=n): Document.
6646 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
6648 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
6650 2000-02-17 Mark Mitchell <mark@codesourcery.com>
6652 * function.c (thread_prologue_and_epilogue_insns): Put a line note
6655 2000-02-17 Nick Clifton <nickc@cygnus.com>
6657 * config/arm/thumb.c: Replace includes of system headers with
6658 #include "system.h".
6660 2000-02-16 Richard Henderson <rth@cygnus.com>
6662 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
6663 Add crtbeginS.o and crtendS.o.
6664 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
6665 (ENDFILE_SPEC): Use crtendS.o.
6666 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
6668 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
6669 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
6671 (__dso_handle): New variable.
6672 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
6673 bias to __CTOR_END__.
6675 2000-02-16 Richard Henderson <rth@cygnus.com>
6677 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
6679 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
6681 * longlong.h (__clz_tab): Declare as static to match definition.
6683 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
6684 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
6685 (XREF_FILE_NAME): Define.
6687 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
6688 (EH_FRAME_SECTION_ASM_OP): Define.
6689 (IDENT_ASM_OP): Define.
6690 (TEXT_SECTION_ASM_OP): Define.
6692 (CTORS_SECTION_ASM_OP): Define.
6693 (CTOR_SECTION_FUNCTION): Use it.
6694 (DTORS_SECTION_ASM_OP): Define.
6695 (DTOR_SECTION_FUNCTION): Use it.
6697 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
6699 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
6702 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
6703 debug_bb_n): New functions.
6704 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
6705 * basic-block.h: Prototype new functions.
6707 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
6709 * configure.in: Add support for avr target.
6710 * configure: Rebuilt.
6712 * invoke.texi: Add AVR invocation docs.
6713 * install.texi: Add information about AVR.
6714 * md.texi: Add AVR constraint letters description.
6715 * extend.texi: Add description for AVR specific attributes.
6717 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
6719 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
6721 2000-02-16 Nick Clifton <nickc@cygnus.com>
6723 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
6724 (make_insn_raw): Move RTL check here.
6726 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6728 * version.c: Include gansidecl.h and version.h.
6730 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
6732 * configure.in (gcc_version): When setting, narrow search to
6733 lines containing `version_string'.
6735 * Makefile.in (mainversion): Likewise.
6736 (GCC_H): New variable.
6737 (gcc.h): Delete target.
6738 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
6739 (version.o): Depend on version.h.
6740 (dbxout.o): Don't depend on gcc.h.
6742 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
6743 Michael Meissner <meissner@cygnus.com>
6745 * md.texi (Simple Constraints): Add item about whitespace.
6746 * genoutput.c (strip_whitespace): New.
6747 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
6748 strip_whitespace for constraints.
6749 Test pointer using NULL, not 0.
6751 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6753 * cpplib.c (do_line): Pedwarn for #line > 32767.
6755 * c-lex.c (readescape): Warn about '\x', but do not reject it.
6757 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
6759 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
6760 to default cpp spec.
6761 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
6762 * cpp.texi: Document __GNUC_PATCHLEVEL__.
6765 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
6768 2000-02-15 Denis Chertykov <denisc@overta.ru>
6770 * configure.in: Add support for avr target.
6772 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6774 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
6775 (sh_addr_diff_vec_mode): Don't declare.
6776 * sh.c (sh_addr_diff_vec_mode): Delete.
6778 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6780 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
6782 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6784 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
6785 (smulsi3_highpart_i): Name.
6786 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
6787 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
6788 (smulsi3_highpart, umulsi3_highpart): Likewise.
6790 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
6791 correctly independent of endianness.
6792 (mulsidi3, umulsidi3): Now define_insn. Hide details that
6793 confuse the optimizers.
6794 (mulsidi3+1, umulsidi3+1): New define_split.
6796 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
6798 * config/sh/sh.md: Guard insn splits against illegal registers.
6799 * config/sh/sh.h: Correct comment about macros.
6801 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6802 Andrew MacLeod <amacleod@cygnus.com>
6804 * Makefile.in (lcm.o): Depend on insn-attr.h.
6805 * basic-block.h (optimize_mode_switching): Declare.
6806 * lcm.c (tm_p.h, insn-attr.h): #include.
6807 (seginfo, bb_info): New structs.
6808 (antic, transp, comp, delete, insert) : New file-scope static variables.
6809 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
6810 (reg_becomes_live, optimize_mode_switching): Likewise.
6811 * tm.texi: Add description of mode switching macros.
6812 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
6814 * sh-protos.h (remove_dead_before_cse): Remove prototype.
6815 (fldi_ok, fpscr_set_from_mem): New prototypes.
6816 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
6817 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
6818 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6819 (sh_flag_remove_dead_before_cse): Remove declaration.
6820 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
6821 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
6822 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
6823 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
6824 (barrier_align): Allow for JUMP_INSNS containing a parallel.
6825 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
6826 (fldi_ok): New function.
6827 (get_fpscr_rtx): Add fpscr_rtx as GC root.
6828 (emit_sf_insn): Only generate fpu switches when optimize < 1.
6829 (emit_df_insn): Likewise.
6830 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
6831 (sh_flag_remove_dead_before_cse): Delete.
6832 (get_free_reg, fpscr_set_from_mem): New functions.
6833 * sh.md (movdf, movsf): Remove no_new_pseudos code.
6834 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
6836 2000-02-15 Loren Rittle <ljrittle@acm.org>
6838 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
6840 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6842 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
6843 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
6845 * cccp.c: Include version.h and/or don't declare `version_string'.
6846 * collect2.c: Likewise.
6847 * alpha.c: Likewise.
6848 * arm/aof.h: Likewise.
6849 * arm/coff.h: Likewise.
6850 * arm/elf.h: Likewise.
6851 * arm/pe.h: Likewise.
6852 * arm/tcoff.h: Likewise.
6853 * arm/telf.h: Likewise.
6854 * arm/tpe.h: Likewise.
6855 * arm/vxarm.h: Likewise.
6856 * convex/convex.c: Likewise.
6857 * i386/dgux.c: Likewise.
6858 * i386/sun386.h: Likewise.
6859 * m88k/m88k.c: Likewise.
6860 * mcore/mcore-pe.h: Likewise.
6861 * mips/mips.h: Likewise.
6862 * romp/romp.h: Likewise.
6863 * sh/sh.c: Likewise.
6864 * cpphash.c: Likewise.
6865 * cppinit.c: Likewise.
6866 * dwarf2out.c: Likewise.
6867 * dwarfout.c: Likewise.
6870 * mips-tfile.c: Likewise.
6871 * protoize.c: Likewise.
6872 * toplev.c: Likewise.
6875 * version.c (version_string): Constify a char*.
6877 * version.h: New file.
6879 2000-02-14 Nick Clifton <nickc@cygnus.com>
6881 * configure.in: Add mcore-elf and mcore-pe targets.
6882 * configure: Regenerate.
6884 * NEWS: Add note that MCore port has been contributed.
6886 * invoke.texi: Document command line switches for MCore port.
6887 * install.texi: Add MCore to list of supported targets.
6889 2000-02-14 Geoff Keating <geoffk@cygnus.com>
6891 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
6892 then we will need to import the frame handling functions.
6893 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
6894 to import the frames themselves.
6896 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
6897 Jason Eckhardt <jle@cygnus.com>
6899 * basic_block.h: Added prototype for reorder_basic_blocks.
6900 * toplev.c: Changes to add -freorder-blocks and graph dump after
6901 block reordering is done.
6902 * flow.c (reorder_block_def): New structure for use during block
6904 (REORDER_BLOCK_*): New macros to access members of above structure.
6905 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
6906 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
6907 functions for block reordering.
6909 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
6911 * gcc.texi (Passes): Fix typo.
6912 * md.texi (Standard Names): Ditto.
6913 * tm.texi (Storage Layout): Ditto.
6915 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6917 * cpplib.c (do_define): Only free the old definition if it
6920 2000-02-13 Neil Booth <NeilB@earthling.net>
6922 * cppfiles.c (read_and_prescan): When emitting deferred
6923 newlines, test speccase[] again instead of checking each
6924 possible whitespace character in turn. When we encounter \r,
6925 look behind for \n first, then ahead.
6927 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
6929 * cse.c (cse_altered): New internal flag.
6930 (cse_insn): Set it if we changed an insn.
6931 (cse_main): Clear cse_altered before each basic block.
6932 Only garbage collect if cse_altered is true afterward.
6934 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6936 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
6938 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
6940 * combine.c (simplify_comparison): Fix typo.
6942 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
6944 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
6947 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6949 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
6950 previously inserted node instead of root node. Caller changed.
6952 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6954 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
6956 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6958 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
6959 __dereg_frame_dtor): Add prototype argument.
6961 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
6963 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
6965 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
6967 * gthr-vxworks.h (__gthread_once): Likewise.
6969 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
6971 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
6973 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
6974 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
6975 stack pointer in functions w/o saved registers, output LEAVE more often
6976 on TARGET_USE_LEAVE machines.
6978 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
6980 * config/arm/arm.c (arm_init_cumulative_args); New function:
6981 Initlaise the CUMULATIE_ARGS strcuture for a function
6983 (arm_function_arg): New function: Determine where to place a
6984 function's argument. Also handles deciding the function's
6986 (current_file_function_operand): New function: Return true if
6987 the symbol is a function which has already been compiled.
6988 (arm_is_long_call_p): New function: Return true if the
6989 indicated function should be called via a long call.
6990 (arm_valid_type_attribute_p): New function: Return true if the
6991 attribute is a valid, arm specific, attribute.
6992 (arm_comp_type_attribute): New function: Return true if the
6993 two types have compatable, arm specific, attributes.
6995 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
6997 (FUNCTION_ARG): Redefine to call arm_function_arg.
6998 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
7000 (INIT_CUMULATIVE_ARGS): Redefine to call
7001 arm_init_cumulative_args.
7002 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
7004 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
7006 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
7008 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
7009 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
7010 (COMP_TYPE_ATTRIBUTES): Define.
7012 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
7013 if a long call is needed.
7014 (call_value): Call arm_is_long_call_p to decide if a long call
7016 (call_symbol): Call arm_is_long_call_p to decide if a long call
7019 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
7021 2000-02-11 Denis Chertykov <denisc@overta.ru>
7023 * README.AVR: New file with information about the avr ports.
7024 * config/avr: New directory with avr port files.
7026 2000-02-11 Andreas Jaeger <aj@suse.de>
7028 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
7030 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
7032 * cpphash.c: Fix formatting, update commentary.
7033 (dump_definition): Take three separate arguments instead of a
7034 MACRODEF structure argument.
7035 * cpphash.h: Update prototype of dump_definition.
7036 * cppinit.c (cpp_finish): Update call of dump_definition.
7038 * cpplib.c (do_define): Always create new hash entry with
7039 T_MACRO type. Remove redundant check for redefinition of
7040 poisoned identifier. Update call of dump_definition.
7041 (do_undef): Don't call check_macro_name. Rename sym_length to
7043 (do_error, do_warning): Don't use copy_rest_of_line or
7045 (do_warning): Don't use pedwarn for the actual warning,
7046 only the notice about its not being in the standard. (Fixes
7047 bug with #warning in system headers.)
7048 (do_ident): Stricter argument checking - accept only a single
7049 string after #ident. Also, macro-expand the line.
7050 (do_xifdef): Use cpp_defined. De-obfuscate.
7052 (do_pragma): Split out specific pragma handling to separate
7053 functions. Use get_directive_token. Update commentary. Do
7054 not pass on #pragma once or #pragma poison to the front end.
7055 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
7056 do_pragma_default): New.
7058 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
7060 * jump.c (jump_optimize_1): The first operand in a relational
7062 * optabs.c (emit_conditional_move): Handle relationals which
7063 have a known true/false result.
7065 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7067 * function.c (thread_prologue_and_epilogue_insns): Don't insert
7068 a RETURN insn into a block which already ends with a jump.
7070 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7072 * haifa-sched.c (BUF_LEN): Increase a lot.
7074 2000-02-11 Nick Clifton <nickc@cygnus.com>
7076 * configure.in: Add tm_p_file specification for thumb targets.
7077 * configure: Regenerate.
7079 * config/arm/thumb-protos.h: New file: Prototypes for exported
7080 functions defined in thumb.c.
7082 2000-02-11 Robert Lipe <robertl@sco.com>
7084 * Makefile.in (bootstrap-lean): Remove additional files.
7085 (bootstrap2-lean): Likewise.
7086 (VOL_FILES): List of files for above.
7088 2000-02-11 Nathan Sidwell <nathan@acm.org>
7090 * cpphash.c (special_symbol): Remove spurious argument to
7093 2000-02-11 Joel Sherrill (joel@OARcorp.com>
7095 * configure.in: (i*86-*-rtems*): Swapped elf and coff
7097 * configure: Rebuilt.
7099 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
7101 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
7103 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
7105 * pa.c, pa.h: Remove trigraph sequences within comments.
7107 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
7109 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
7111 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
7113 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
7115 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7117 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
7119 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7121 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
7122 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
7123 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
7124 (ASM_FILE_END): Use c4x_file_end.
7125 * config/c4x/c4x.c (c4x_global_label): New function.
7126 (c4x_external_ref, c4x_file_end): Likewise.
7128 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
7129 (c4x_external_ref, c4x_end_file): Likewise.
7131 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
7133 * cppexp.c: Don't include cpphash.h.
7134 (parse_charconst, cpp_lex): Use cpp_defined.
7135 (cpp_lex): Use get_directive_token throughout. Remove
7136 unnecessary cases from switch. Move assertion-handling code
7138 (cpp_parse_expr): If we see '+' or '-', check the context to
7139 determine if they are unary or binary operators. Streamline
7140 the jumps a bit. Do not call skip_rest_of_line.
7142 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
7143 static. Export get_directive_token. Update commentary.
7144 (cpp_defined): New function.
7145 (do_define): Remove reference to T_PCSTRING. Call
7146 free_definition to release memory for old definition, when
7148 (eval_if_expression): Set only_seen_white to 0 before calling
7149 cpp_parse_expr. Call skip_rest_of_line after it returns.
7150 (cpp_read_check_assertion): Don't preserve a pointer into the
7151 token buffer across a call to cpp_get_token.
7153 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
7154 * cppfiles.c (redundant_include_p): Use cpp_defined.
7155 * cpphash.c (free_definition): New function.
7156 (delete_macro): Use it. Update commentary.
7157 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
7159 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
7160 from enum node_type. Prototype cpp_defined and get_directive_token.
7161 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
7163 * fix-header.c (check_macro_names): Use cpp_defined.
7164 (read_scan_file): Set inhibit_warnings and inhibit_errors in
7165 the options structure.
7167 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7169 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
7171 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
7173 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
7174 rather than die->die_tag.
7176 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7178 * combine.c (make_extraction, force_to_mode): Avoid warning on
7179 mixed-signedness conditionals.
7180 (make_field_assignment, nonzero_bits): Likewise.
7181 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
7182 (store_split_bit_field, extract_split_bit_field): Likewise.
7183 (extract_fixed_bit_field, store_bit_field,
7184 * expr.c: Change alignment to be unsigned everywhere.
7185 (move_by_pieces, store_constructor_field, store_constructor):
7186 Alignment parm is unsigned.
7187 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7188 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
7189 (do_compare_rtx_and_jump): Likewise.
7190 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
7191 Compare align with GET_MODE_ALIGNMENT.
7192 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
7193 (get_inner_reference): Likewise.
7194 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
7195 (expand_assignment): Local vars for alignment now unsigned.
7196 (store_constructor, store_field, expand_expr, do_jump): Likewise.
7197 (do_compare_and_jump): Likewise.
7198 (store_field): Call new function expr_align.
7199 * expr.h (emit_block_move, emit_group_load, emit_group_store):
7200 Alignment arg now unsigned.
7201 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
7202 (do_compare_rtx_and_jump, store_bit_field): Likewise.
7203 (extract_bit_field): Likewise.
7204 * fold-const.c (add_double): Add cast to eliminate signedness warning.
7205 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
7206 (get_best_mode): Alignment arg is unsigned.
7207 * rtl.h (move_by_pieces): Likewise.
7208 * store-layout.c (maximum_field_alignment, set_alignment):
7210 (layout_decl): Alignment arg is now unsigned.
7211 Remove unneeded casts.
7212 (layout_record, layout_union, layout_type): Remove unneeded casts.
7213 Local alignment variables now unsigned.
7214 (get_best_mode): Alignment arg now unsigned.
7215 * tree.c (expr_align): New function.
7216 * tree.h (expr_align): Likewise.
7217 (maximum_field_alignment, set_alignment): Now unsigned.
7218 (get_inner_reference): Alignment argument is now pointer to unsigned.
7219 * varasm.c (assemble_variable): Add cast to eliminate warning.
7221 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
7223 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
7224 then store directly into op0.
7226 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
7227 the CALL_INSN, and emit the note immediately after it.
7229 2000-02-10 Nick Clifton <nickc@cygnus.com>
7231 * config/arm/thumb.md (epilogue): Include a (return) in the
7232 generated insn, and emit it using emit_jump_insn not
7235 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
7237 * function.c (assign_temp): Change zero-sized arrays to size 1.
7238 * integrate.c (expand_inline_function): Do not update
7239 stack_alignment_needed
7240 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
7241 add some sanity checking, remove optimization for function with
7244 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7246 * flow.c (mark_regs_live_at_end): Delete unused variables.
7248 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
7250 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
7251 in macro FRAME_GROWS_DOWNWARD.
7253 * stmt.c (expand_end_bindings): Delete unused variable.
7255 * unroll.c (iteration_info): Mark parameter `loop' with
7258 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7260 * fixinc/server.c (load_data): Return NULL if the marker line is
7262 (run_shell): If load_data returns NULL, retry the command once, in
7265 * configure: Rebuilt.
7267 2000-02-09 Bruce Korb <bkorb@gnu.org>
7269 * gcc/fixincludes: ** DELETED **
7270 * gcc/fixcpp: ** DELETED **
7271 * gcc/fixinc-nt.sed: ** DELETED **
7272 * gcc/just-fixinc: ** DELETED **
7273 * gcc/Makefile.in: Removed out-dated commentary
7274 * gcc/configure.in: Removed fast-fixincludes disablement.
7275 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
7277 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7278 * function.c (thread_prologue_and_epilogue_insns): Uncomment
7281 2000-02-09 Richard Henderson <rth@cygnus.com>
7283 * jump.c (delete_insn): Don't delete user labels at -O0.
7285 2000-02-09 Robert Lipe <robertl@sco.com>
7287 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
7288 Don't link with HOST_LIBS.
7290 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7292 * configure.in: Correct --help text for --with-dwarf2.
7293 Put tm-dwarf2.h after other tm files, if it's requested.
7294 * configure: Regenerate.
7295 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
7298 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7300 * cpplib.h: Provide HASHNODE typedef and forward decl of
7301 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
7302 DEFINITION, struct hashnode, struct macrodef, struct
7303 definition, scan_decls prototype, default defn of
7304 INCLUDE_LEN_FUDGE moved elsewhere.
7306 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
7307 definition, and struct hashnode moved here. Remove the unused
7308 'predefined' field from struct definition. Replace the 'args'
7309 union with its sole member. All users updated (cpphash.c).
7310 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
7311 multiple include guard.
7313 * cpphash.c (hashf): Make static; use better algorithm; drop
7314 HASHSIZE parameter; return an unsigned int.
7315 (cpp_lookup): Drop HASH parameter. PFILE parameter is
7316 used. Calculate HASHSIZE modulus here.
7317 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
7319 (create_definition): Drop PREDEFINITION parameter.
7320 * cpplib.c (do_define): Don't calculate a hash value here.
7321 Don't pass (keyword == NULL) to create_definition.
7323 * scan.h: Prototype scan_decls here.
7324 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
7325 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
7326 callers of cpp_lookup and cpp_install updated.
7328 * cpphash.c (macarg): Hoist all the flag diddling out of the
7330 (macroexpand): ... and out of the loop that calls macarg.
7331 Skip over the initial paren before macro arguments with
7332 cpp_get_non_space_token; point may be some distance before
7333 that paren. Abort if it's not there.
7335 * cpplib.c (parse_clear_mark): Delete function.
7336 (parse_set_mark, parse_goto_mark): Make static.
7337 (ACTIVE_MARK_P): New macro.
7338 (skip_block_comment, skip_line_comment): Do not bump the line
7339 if ACTIVE_MARK_P is true.
7340 (cpp_pop_buffer): The buffer to be popped may not have an
7342 (cpp_get_token): When looking for the initial paren before
7343 macro arguments, only set a mark in a file buffer, Always
7344 return to that mark before proceeding to call macroexpand or
7345 return a NAME token.
7347 * cpplib.h: Remove prototypes of parse_set_mark,
7348 parse_clear_mark, parse_goto_mark.
7349 (struct cpp_options): Rename 'put_out_comments' to
7350 'discard_comments' and invert its sense.
7351 * cppinit.c, cpphash.c, cpplib.c: All users of
7352 put_out_comments changed to use discard_comments, with
7355 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
7357 * function.c (thread_prologue_and_epilogue_insns): Don't delete
7358 the edge from a block that both jumps and falls through to the
7361 2000-02-09 Scott Bambrough <scottb@netwinder.org>
7363 * config/arm/arm.md (movsi): In PIC mode, make sure that a
7364 constant source address is legitimate.
7366 2000-02-09 Philip Blundell <pb@futuretv.com>
7368 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
7371 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
7373 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
7375 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
7377 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
7378 ends with a newline and a NUL. Don't be so clever manipulating
7381 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
7383 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
7384 not to BIGGEST_ALIGNMENT.
7386 2000-02-08 Geoff Keating <geoffk@cygnus.com>
7388 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
7389 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
7390 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
7391 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
7392 * frame.c (execute_cfa_insn): Handle
7393 DW_CFA_GNU_negative_offset_extended.
7395 2000-02-08 Richard Henderson <rth@cygnus.com>
7397 * flow.c (tidy_fallthru_edges): Split out from ...
7398 (delete_unreachable_blocks): ... here.
7399 (find_basic_blocks): Use it.
7401 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7403 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
7405 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
7407 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
7408 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
7409 (fix-header.o): Don't depend on cpphash.h.
7411 * scan.c (hashstr): New function.
7412 * scan.h: Prototype it.
7413 * fix-header.c: Don't include cpphash.h. Use hashstr.
7414 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
7415 hashstr. Report hash table statistics. Add private
7416 definition of xrealloc.
7418 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7420 * i386.h (TARGET_SWITCHES): Fix typo in option name.
7422 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
7424 * function.c (thread_prologue_and_epilogue_insns): Don't replace
7425 jumps with returns unless they are jumps to the fallthru block.
7427 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
7429 * i386.md (addqi3_cc): Fix contraints.
7431 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7433 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
7435 2000-02-07 Mark Mitchell <mark@codesourcery.com>
7437 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
7438 carriage return after a macro name.
7440 2000-02-07 Fred Fish <fnf@be.com>
7442 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
7443 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
7445 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
7447 * cppfiles.c (deps_output): Count spacers in deps_column.
7449 2000-02-07 Neil Booth <NeilB@earthling.net>
7451 * cppinit.c (initialize_dependency_output): If there is no
7452 suffix, don't try to look for known suffixes. Use strrchr.
7453 (cpp_start_read): Remove duplicate initialization.
7455 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
7457 * calls.c (compute_argument_block_size): New argument
7458 preferred_stack_boundary.
7459 (expand_call): update cfun->preferred_stack_boundary, update call of
7460 compute_argument_block_size
7461 (emit_library_call): Increate cfun->preferred_stack_boundary
7462 to PREFERRED_STACK_BOUNDARY
7463 (emit_library_call_value): Likewise.
7464 * explow.c (allocate_dynamic_stack_spave): Likewise.
7465 * function.c (prepare_function_start): Set
7466 cfun->preferred_stack_boundary
7467 * function.h (struct function): Add preferred_stack_boundary field.
7468 * integrate.c (expand_inline_function): Update
7469 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
7470 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
7471 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
7473 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
7475 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
7476 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
7477 cpp_pedwarn, cpp_pedwarn_with_line,
7478 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
7479 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
7480 v_cpp_error_with_line, v_cpp_warning_with_line,
7481 cpp_message_from_errno, cpp_perror_with_name): Delete.
7483 * cpperror.c (cpp_print_containing_files): Take starting
7485 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
7486 (v_cpp_message): Now called directly by all entry points.
7488 (cpp_pfatal_with_name, cpp_message): Delete.
7489 (cpp_notice_from_errno, cpp_ice): New functions.
7490 (cpp_notice): Is now for reporting error conditions, just
7491 without an associated file.
7492 (cpp_error, cpp_error_with_line): Don't do anything if
7493 opts->inhibit_errors is on.
7494 (cpp_pedwarn_with_file_and_line): Take column argument also.
7496 * cpplib.h: Update prototypes of exported functions.
7497 (struct cpp_options): Add inhibit_errors.
7499 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
7500 non-error messages. Include intl.h.
7502 * cppinit.c, cppmain.c: Likewise. Also, use
7503 cpp_notice_from_errno instead of cpp_perror_with_name or
7504 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
7506 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
7507 report internal errors.
7509 * cpplib.c (do_define): Switch bcopy to memcpy.
7510 Give cpp_pedwarn_with_file_and_line a dummy column argument.
7512 * cpplib.c (copy_rest_of_line): Revert previous change: don't
7513 bail out early if we hit a line comment.
7515 2000-02-06 Richard Henderson <rth@cygnus.com>
7517 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
7518 * basic-block.h: Declare them.
7519 * emit-rtl.h (active_insn_p): New.
7520 (next_active_insn, prev_active_insn): Use it.
7521 * rtl.h: Declare it.
7522 * function.c (emit_return_into_block): New.
7523 (thread_prologue_and_epilogue_insns): Insert return insns instead
7524 of epilogues when possible.
7525 * jump.c (jump_optimize_1): Remove code to insert a return insn
7526 on the fallthru to the exit block.
7528 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
7529 and for non-empty stack frames.
7530 * i386.md (return): Expand to return-pop as needed.
7532 2000-02-06 Richard Henderson <rth@cygnus.com>
7534 * simplify-rtx.c (simplify_relational_operation): Canonicalize
7535 constant to op1 for testing.
7537 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7539 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
7540 (fixuns_truncqfqi2): Use it.
7542 2000-02-06 Richard Henderson <rth@cygnus.com>
7544 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
7547 * i386.md (widening and peepholes): Mask the constant instead of
7550 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7552 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
7553 input pointer before possibly branching off to the backslash
7555 * cpphash.c (macroexpand): Correctly delete \r escapes when
7556 stringifying parameters.
7557 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
7558 if we can; bail out early if we hit a line comment.
7559 (handle_directive): Treat '# 123' in an .S file just like
7560 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
7561 Return 1 for '# not_a_directive'.
7562 (get_directive_token): Pop macro buffers here, so that
7563 cpp_get_token can't sneakily move past a newline.
7565 (cpp_get_token): goto randomchar if handle_directive returns 0.
7567 * cppalloc.c: Update copyright.
7568 * cpplib.c: Merge all the static function prototypes into one
7570 * cpplib.h: Remove #if 0 block.
7572 * cpperror.c: Remove #ifdef EMACS block.
7573 * cppmain.c: Likewise.
7574 * cpphash.c: Remove #if 0 blocks.
7575 * cppinit.c: Remove #if 0 blocks, and the -lint option.
7576 * cpplib.c: Remove #if 0 blocks and code referencing
7577 pcp_inside_if or for_lint. Remove duplicate error message.
7578 Fix error messages for #else after #else or #elif. Reformat.
7579 Remove archaic TODO list.
7580 * cpplib.h: Remove pcp_inside_if and for_lint flags.
7582 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
7584 * i386/osf1elf.h: Add missing backslash to multiline string.
7586 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7588 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
7590 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7592 * Makefile.in (c-common.o): Depend on $(EXPR_H).
7594 * c-common.c: Include expr.h.
7596 * c-pragma.c (mark_align_stack): Add prototype.
7598 * caller-save.c (add_stored_regs): Likewise.
7600 * combine.c (record_promoted_value): Likewise.
7602 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
7605 * cppinit.c (new_pending_define): Likewise.
7607 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
7609 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
7610 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7611 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
7612 class_scope_p): Likewise.
7614 * dwarf2out.h (dwarf2out_set_demangle_name_func,
7615 dwarf2out_add_library_unit_info): Likewise.
7617 * ggc.h (ggc_page_print_statistics): Likewise.
7619 * haifa-sched.c (propagate_deps): Likewise.
7621 * reg-stack.c (next_flags_user, record_label_references): Likewise.
7623 * rtl.h (set_stack_check_libfunc): Likewise.
7625 * toplev.h (set_fatal_function): Likewise.
7627 * toplev.c (set_fatal_function): Delete prototype.
7629 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
7631 2000-02-05 Geoff Keating <geoffk@cygnus.com>
7633 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
7634 (FUNC_END): Likewise.
7636 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7638 * caller-save.c: Include tm_p.h.
7640 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7642 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
7644 2000-02-04 Neil Booth <NeilB@earthling.net>
7646 * cccp.c (main): Check 'dir' for a NULL pointer before passing
7649 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
7651 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
7652 * genflags.c: Use the max_operand_1 logic from genemit.c to
7653 calculate how many arguments gen_insn prototypes have. Remove
7654 NO_MD_PROTOTYPES ifdefs from the generated file.
7655 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
7656 file. Cast gen_insn initializers to insn_gen_fn.
7657 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
7658 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
7660 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7662 * fixinc/Makefile.in (HDR): Add machname.h.
7665 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7667 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
7668 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
7669 (c4x_cpu_version): Ditto.
7670 * config/c4x/c4x-protos.h: ... here.
7672 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
7674 * dwarf2out.c (add_abstract_origin_attribute): Don't call
7675 gen_abstract_function on our context if we're a nested function.
7677 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7679 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
7680 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
7682 2000-02-04 Bruce Korb <bkorb@gnu.org>
7684 * fixinc/genfixes(machname.h):
7685 Move the functionality from gen-machine.h into this file.
7686 UNdef MN_NAME_PAT if there are no names to change.
7687 Also, be a little kinder when AutoGen is not present.
7689 * fixinc/Makefile.in(machname.h):
7690 Change the generation rule to use genfixes.
7692 * fixinc/fixfixes.c(machine_name):
7693 machine_name_fix's functionality now dependent upon whether
7694 MN_NAME_PAT is defined.
7696 * fixinc/fixtests.c(machine_name):
7699 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
7702 * fixinc/fixlib.h(mn_get_regexps):
7705 * fixinc/gen-machine.h: DELETED
7707 2000-02-04 Jan Hubicka <jh@suse.cz>
7708 Richard Henderson <rth@cygnus.com>
7710 * i386.c (SAVE_REGS_FIRST): Remove.
7711 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
7712 (ix86_compute_frame_size): Likewise.
7713 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
7714 (ix86_emit_restore_regs): Remove.
7715 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
7716 when a frame pointer is in use.
7717 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
7718 instead of pop to restore a register when profitable; emit leave
7720 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
7722 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
7723 * i386.md (prologue_allocate_stack): Remove.
7724 (epilogue_deallocate_stack): Remove.
7725 (pro_epilogue_adjust_stack): New.
7727 2000-02-04 Richard Henderson <rth@cygnus.com>
7729 * function.c (diddle_return_value): Rework to use a callback function.
7730 Use current_function_return_rtx if it's been set up.
7731 (do_clobber_return_reg, clobber_return_register): New.
7732 (do_use_return_reg, use_return_register): New.
7733 (expand_function_end): Use them.
7734 * stmt.c (expand_null_return): Likewise.
7735 * function.h: Declare them.
7736 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
7737 (mark_reg): Change arguments as appropriate for callback.
7738 * integrate.c (expand_inline_function): Revert 19 Jan change.
7740 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
7742 * tm.texi (Values in Registers): Fix typo: "fo" "for".
7743 (Misc): Say the scheduler, not the Haifa scheduler.
7745 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
7747 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
7748 when in_mem is set. Update all callers.
7750 2000-02-04 Richard Henderson <rth@cygnus.com>
7752 * i386/openbsd.h (INT_ASM_OP): Define.
7754 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
7756 * tm.texi: Fix various typos.
7758 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
7760 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
7761 (MD_STARTFILE_PREFIX_1): New macro.
7763 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
7765 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
7766 destination when needed.
7767 (strmovsi, strsetsi): New expander.
7768 (strmovsi_1, strsetsi_1): New pattern.
7769 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
7770 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
7771 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
7772 * invoke.texi (align-stringops, inline-all-stringops): Document.
7774 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
7776 * i386/netbsd.h (INT_ASM_OP): Define.
7778 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
7780 * cpplib.h (cpp_reader): Add new flag, no_directives.
7781 * cpphash.c (macarg): Set it.
7782 * cpplib.c (handle_directive): If no_directives is on and we
7783 find a directive, issue an error and discard the line.
7785 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
7787 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
7788 FP constants. Add ! TARGET_FPU check for FP constants.
7790 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
7792 * flow.c (find_basic_blocks): Don't kill label_value_list
7794 (cleanup_cfg): Kill it here.
7796 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7798 * expr.c (store_field): Ensure ALIGN is no stricter than the
7801 2000-02-02 Richard Henderson <rth@cygnus.com>
7803 * jump.c (delete_insn): Partially revert 19 Jan change;
7804 don't convert unused code labels to notes at -O0.
7806 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7808 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
7809 split_all_insns to recreate REG_LABEL notes for flow2 pass.
7811 2000-02-01 Richard Henderson <rth@cygnus.com>
7813 * i386.c (general_no_elim_operand): New.
7814 (nonmemory_no_elim_operand): New.
7815 (ix86_expand_move): Copy eliminable operands before a push.
7816 * i386-protos.h: Declare new functions.
7817 * i386.h (CAN_ELIMINATE): Simplify.
7818 (PREDICATE_CODES): Update.
7819 * i386.md (push insns): Don't allow eliminable register operands.
7821 2000-02-01 Richard Henderson <rth@cygnus.com>
7823 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
7824 replace BLKmode with DECL_RTL's mode.
7826 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
7828 * frame.c (find_fde): Convert for loop to do-while so compiler
7829 sees it's always executed at least once.
7830 * libgcc2.c (BBINBUFSIZE): Kill.
7831 (__bb_init_prg): Use fgets.
7832 (__bb_exit_trace_func): Don't paste strings.
7833 * unroll.c (unroll_loop): Initialize unroll_type, not
7834 unroll_number, and tweak logic to match.
7836 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
7838 (ix86_flags_dependant): Likewise. Disentangle control flow.
7839 (ix86_sched_reorder): Break guts out to
7840 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
7841 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
7844 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
7845 use string concatenation. Don't save and restore esi.
7847 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
7848 (machname.h): Remove script to separate file. Use two-step
7849 sequence so target is not created if script fails.
7850 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
7851 identifiers are defined.
7852 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
7853 an empty string, machine_name doesn't need to do anything at
7855 (is_cxx_header): Add more cases to regexp.
7856 * fixinc/fixlib.h: Update prototype.
7857 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
7859 * fixinc/fixincl.c: Define NO_BOGOSITY.
7861 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
7862 (hp_sysfile): Add missing comma.
7863 (math_exception): Put the wrapper ifdefs at the beginning and
7864 the end of the file.
7865 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
7867 2000-02-01 Richard Henderson <rth@cygnus.com>
7869 * sparc.c (fp_zero_operand): Turn into a normal predicate.
7870 Use CONST0_RTX. Update all callers.
7871 * sparc.h, sparc-protos.h: Update accordingly.
7872 * sparc.md (fp mov insns): Use fp_zero_operand directly
7875 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
7877 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
7880 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7882 * Makefile.in (specs.ready): New target.
7883 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
7885 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7887 * fixinc.irix: Use unique filenames for writing into /tmp,
7888 * fixinc.ptx: Likewise.
7889 * fixinc.sco: Likewise.
7890 * fixinc.svr4: Likewise.
7891 * fixinc.winnt: Likewise.
7893 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7895 * tsystem.h: New file.
7897 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
7898 s-crtS): Depend on tsystem.h.
7900 * crtstuff.c: Include tsystem.h.
7901 * frame.c: Likewise.
7902 * libgcc2.c: Likewise.
7904 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
7906 * builtins.c (expand_builtin_memset): Expand for variable sized
7909 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
7911 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
7914 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
7916 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
7918 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
7920 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
7922 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
7923 case 3->2 combining (combining with splitting) in which 2 is CC0
7924 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
7925 checked at the begining of the function with the aid of calling
7926 function 'can_combine_p'.
7928 2000-01-31 Dave Brolley <brolley@redhat.com>
7930 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
7932 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
7934 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
7937 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7939 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
7941 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
7944 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7946 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
7947 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
7948 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
7949 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
7950 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
7951 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
7952 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
7953 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
7954 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
7955 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
7957 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
7958 Add %(cpp_cpu) to CPP_SPEC.
7960 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
7961 Add %(cc1_cpu) to CC1_SPEC.
7963 2000-01-28 Ulrich Drepper <drepper@redhat.com>
7965 * c-decl.c (c_decode_option): Accept optional numeric argument to
7966 -Wformat and set warn_format.
7967 * c-common.c: Don't emit warning about non-constant printf format
7968 string unless warn_format > 1.
7970 2000-01-30 Richard Henderson <rth@cygnus.com>
7972 * alpha.md (return_internal): Allow after reload only.
7974 2000-01-30 Richard Henderson <rth@cygnus.com>
7976 * i386.c (ix86_compute_frame_size): Omit padding1 if the
7977 local frame size is zero.
7979 2000-01-30 Richard Henderson <rth@cygnus.com>
7981 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
7982 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
7983 * alpha.md (return): Turn into an expander.
7984 (return_internal): Don't use $26.
7985 (epilogue): Emit the return insn.
7987 2000-01-30 Richard Henderson <rth@cygnus.com>
7989 * alpha.md (negtf2, abstf2): Fix word order thinko.
7991 (trunctfsf2): Avoid intermediate rounding errors.
7993 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
7995 * cppfiles.c (find_position): Drop 'colp' argument, return the
7997 (read_and_prescan): Adjust to match. Don't ever manipulate
7998 line or line_base except via find_position.
8000 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8002 * c-parse.in: Apply Ulrich's changes from c-parse.y.
8003 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
8006 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8008 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
8009 just print "<command line>". If 'filename' is null or an
8010 empty string, print "<stdin>" for the filename.
8011 * cpplib.c (do_define): Don't print the 'location of the
8012 previous definition' message if we're still parsing the
8014 (cpp_pedwarn_with_file_and_line): Always call
8015 cpp_file_line_for_message.
8017 2000-01-29 Mark Mitchell <mark@codesourcery.com>
8019 * flow.c (mark_regs_live_at_end): Fix typo.
8021 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8023 * c-common.c: Adjust variable names, comments, help strings to c99.
8024 * c-lex.c: Likewise.
8025 * c-parse.y: Likewise.
8026 * c-tree.h: Likewise.
8028 * cpplib.h: Likewise.
8029 * c-decl.c: Likewise. Recognize options with names "*99" as well.
8030 * cppinit.c: Likewise.
8032 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8034 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
8035 * c4x.c: Define the optab rtx values.
8036 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
8037 (c4x_emit_libcall): Use new optab rtx values.
8038 (c4x_emit_libcall3): Likewise.
8039 (c4x_emit_libcall_mulhi): Likewise.
8040 * c4x-protos.h: Add prototypes for optab rtx values and change
8041 prototypes for above c4x_emit_libcall functions.
8043 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8045 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
8047 (c4x_function_prologue): Use regnames intead of float_reg_names when
8049 (c4x_function_epilogue): Likewise.
8050 (c4x_print_operand): Likewise.
8051 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
8052 * c4x.md (set_high): Disable for TARGET_TI.
8054 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8056 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
8057 of framepointer + constant to ADDR_REGS class.
8058 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
8059 * c4x.c (std_or_reg_operand): New function.
8060 * c4x-protos.h (std_or_reg_operand): Prototype it.
8062 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8064 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
8065 object names as libgcc2.c.
8066 * libgcc.S: Use newly defined names.
8068 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
8069 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
8071 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
8072 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
8073 (FLOW_LOOP_LAST_BLOCK): Likewise.
8075 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8077 * basic-block.h (struct loop): New fields 'first' and 'last'.
8078 * flow.c (flow_loops_find): Compute loop->first and loop->last.
8079 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
8080 and loop->last to check for NOTE_INSN_LOOP_END.
8082 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
8084 * predict.c (estimate_probability): Use the new FIRST and LAST fields
8085 of the loop descriptor rather than HEADER and LATCH. Also added
8086 missing break statements as well making some coding style modifications
8087 as suggested by Michael Hayes.
8089 2000-01-28 Richard Henderson <rth@cygnus.com>
8091 * flow.c (find_basic_blocks): Remove do_cleanup argument.
8092 Break out that code ...
8093 (cleanup_cfg): ... here.
8094 (commit_one_edge_insertion): Detect a return instruction being
8095 emitted to an edge. Emit a barrier following; clear fallthru.
8096 (commit_edge_insertions): Verify CFG consistency.
8097 * function.c (expand_function_start): Kill unused variable.
8098 (expand_function_end): Likewise.
8099 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
8100 to insert the epilogue.
8102 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
8103 (delete_null_pointer_checks): Likewise.
8104 * output.h: Likewise.
8105 * reg-stack.c (reg_to_stack): Likewise.
8106 * toplev.c (rest_of_compilation): Likewise. Run
8107 thread_prologue_and_epilogue_insns after rebuilding the CFG.
8109 2000-01-28 Richard Henderson <rth@cygnus.com>
8111 * Makefile.in (flow.o): Revert 24 Jan change.
8112 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
8113 FUNCTION_VALUE result to DECL_RESULT's mode.
8115 * haifa-sched.c (schedule_insns): Don't recompute reg info
8118 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
8120 * configure.in: Make --enable-cpplib the default.
8121 * configure: Regenerate.
8122 * gcc.dg/990119-1.c: No longer expected to fail.
8124 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
8126 * jump.c (jump_optimize_1): Delete an optimization that is also done
8127 by merge_blocks in flow.
8129 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8131 * diagnostic.c (build_message_string, output_printf,
8132 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
8133 (build_location_prefix): Fix non-literal format string.
8135 2000-01-27 Richard Henderson <rth@cygnus.com>
8137 * alpha.md (trunctfsf2): New.
8139 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
8141 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
8143 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
8145 * cppinit.c (cpp_handle_option): Recognize C++ comments under
8147 * cpplib.c (skip_block_comment, skip_line_comment): Split code
8149 (skip_comment) ... here. Permit C++ comments in system
8150 headers always. Warn about C++ comments in user code under
8151 -std=gnu89 -pedantic.
8152 (copy_comment): Use skip_comment.
8153 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
8155 (consider_directive_while_skipping, do_else, do_endif): Call
8156 validate_else unconditionally.
8157 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
8158 text after the conditional in a system header.
8159 * cpplib.h (struct cpp_buffer): Add flag
8160 warned_cplusplus_comments.
8162 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
8164 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
8165 Use unshare_all_rtl_1.
8166 (unshare_all_rtl_again): New function.
8167 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
8169 * function.c (purge_addressof_1): Use unshare_all_rtl_again
8170 rather than resetting the 'used' flags ourself.
8172 * toplev.c (rest_of_compilation): Add current_function_decl
8173 to the unshare_all_rtl call.
8174 * tree.h: Prototype unshare_all_rtl.
8175 * rtl.h: Prototype unshare_all_rtl_again here.
8177 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
8179 * genoutput.c (output_prologue): Include ggc.h in generated
8181 * Makefile.in (insn-output.o): Depends on ggc.h.
8183 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
8184 Hans-Peter Nilsson <hp@bitrange.com>
8186 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
8187 Remove redundant include of xm-ns32k.h.
8188 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
8189 Remove redundant include of xm-ns32k.h.
8190 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
8191 Remove redundant include of xm-ns32k.h.
8192 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
8194 * ns32k/ns32k.h: Update comment on multiply-add instructions.
8195 (TARGET_SWITCHES): Add documentation strings.
8196 (DWARF_FRAME_REGNUM): Override default definition.
8197 (REG_CLASS_CONTENTS): Add comments.
8198 (SUBSET_P): Format to reduce line length.
8199 (SMALL_REGISTER_CLASSES): Make a run time option.
8200 (GO_IF_NONINDEXED_ADDRESS): Reformat.
8201 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
8202 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
8203 (regclass_map): fix typo in comment.
8204 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
8205 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
8206 (trace, reg_or_mem_operand): Delete, unused function.
8207 (calc_address_cost): Small offsets are cheaper than large ones.
8208 (expand_block_move): Generate more efficient code when bytes is a
8209 known at compile time.
8210 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
8211 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
8212 instead of reg_or_mem_operand.
8214 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
8215 not general_operand. Similarly use "=rm" or stricter, not "=g".
8216 For input operands, use stricter constraints than "g" if not
8217 general_operand. Similarly use stricter predicate than
8218 "general_operand" when stricter constraints than "g" are present,
8219 except for matching constraints.
8220 (movstrsi): Use "memory_operand" for operands 0 and 1.
8221 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
8222 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
8223 not reg_or_mem_operand.
8224 (udivmoddisi4): Ditto.
8225 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
8226 Use nonimmediate_operand for operand 3, not register_operand.
8227 (udivmoddiqi4_internal): Use register_operand for operand 1, not
8230 2000-01-27 Fred Fish <fnf@be.com>
8232 * gthr-posix.h: Fix typo; compatibily -> compatibility.
8233 * gthr-single.h: Likewise.
8234 * gthr-solaris.h: Likewise.
8235 * gthr-vxworks.h: Likewise.
8236 * gthr-win32.h: Likewise.
8239 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
8241 * cppinit.c: Add " (cpplib)" to end of string printed by
8244 2000-01-27 Richard Henderson <rth@cygnus.com>
8246 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
8247 testing for a signed comparison.
8248 (alpha_emit_floatuns): New.
8249 * alpha-protos.h: Declare it.
8250 * alpha.md (floatunsdisf2, floatunsdidf2): New.
8251 (extendsfdf2): Tidy.
8253 2000-01-27 Jakub Jelinek <jakub@redhat.com>
8255 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
8256 no -g option specifying debugging format, default to -gstabs+.
8258 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8260 * calls.c (special_function_p): New argument fork_or_exec.
8261 (expand_call): When profile_arc_flag is set and the function
8262 is in the fork_or_exec group, call __bb_fork_func first.
8263 * libgcc2.c, _bb module (__bb_fork_func): New function.
8264 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
8266 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
8267 * tree.h (special_function_p): Update prototype.
8269 2000-01-26 Richard Henderson <rth@cygnus.com>
8271 * alpha.c (alpha_split_tfmode_pair): New.
8272 * alpha-protos.h: Declare it.
8273 * alpha.md (abstf2, negtf2): New.
8274 (movtf insn): Add input G constraint.
8275 (movtf splitter): Use alpha_split_tfmode_pair.
8277 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8279 * i386/cygwin.h: PROTO -> PARAMS.
8281 2000-01-26 Jakub Jelinek <jakub@redhat.com>
8283 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
8284 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
8285 using _Qp_cmp/_Q_cmp and testing the return value.
8286 (print_operand): Call reverse_condition_maybe_unordered if
8287 we are handling CCFPmode or CCFPEmode.
8288 Handle ORDERED, UN* and LTGT comparisons.
8289 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
8290 if not TARGET_HARD_QUAD.
8291 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
8292 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
8293 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
8294 Adjust gen_b* calls so that they reflect return comparison of
8295 sparc_emit_float_lib_cmp.
8297 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8299 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
8300 incoming operands array is large enough for one more operand.
8301 (alpha_emit_xfloating_arith): Likewise.
8303 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8305 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
8306 file with one line and no trailing newline.
8307 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
8308 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
8309 checking if the match is on the line.
8310 * fixinc/gnu-regex.c: Provide regerror not __regerror.
8312 2000-01-25 Richard Henderson <rth@cygnus.com>
8314 * sparc.c (output_cbranch): Fix accidental squashing of the
8315 fp branch pre-delay nop.
8317 2000-01-25 Richard Henderson <rth@cygnus.com>
8319 * tree.def (UNNE_EXPR): Remove.
8320 * c-typeck.c (build_binary_op): Don't handle it.
8321 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
8323 * rtl.def (UNNE): Remove.
8325 * jump.c (reverse_condition): Update accordingly.
8326 (swap_condition): Likewise.
8327 (comparison_dominates_p): Handle unordered comparisons.
8328 (reverse_condition_maybe_unordered): New.
8329 * rtl.h (reverse_condition_maybe_unordered): Declare.
8331 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
8332 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
8333 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
8334 * sparc.md (bltgt): New.
8336 2000-01-25 Nick Clifton <nickc@redhat.com>
8338 * emit-rtl.c (emit_insn): Only check machine class insns for
8339 improper emission of a RETURN.
8341 2000-01-25 Richard Henderson <rth@cygnus.com>
8343 * Makefile.in (flow.o): Depend on $(EXPR_H).
8344 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
8345 duplicate the structure of diddle_return_value for keeping regs live.
8347 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8349 * loop.c (current_loop_info): Delete.
8350 (consec_sets_invariant_p): Add loop argument, update callers.
8351 (get_condition_for_loop): Likewise.
8352 (count_nonfixed_reads, update_giv_derive): Likewise.
8353 (simplify_giv_expr, general_induction_var): Likewise.
8354 (consec_sets_giv, recombine_givs): Likewise.
8355 (move_movables): Delete loop_start and loop_end arguments,
8356 add loop argument, and update callers.
8357 (find_mem_givs, check_final_value): Likewise.
8358 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
8359 (loop_invariant_p): Rename from invariant_p, add loop argument, and
8361 (basic_induction_var): Add loop argument, delete loop_level argument,
8363 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
8364 add loop argument, and update callers.
8365 (find_splittable_regs, find_splittable_givs): Likewise.
8366 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
8367 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
8368 (biv_total_increment): Delete loop_start and loop_end arguments;
8370 (precondition_loop_p): Delete loop_start and loop_info arguments;
8372 * loop.h (get_condition_for_loop): Add loop argument.
8373 (biv_total_increment): Delete loop_start and loop_end arguments.
8374 (precondition_loop_p): Delete loop_start and loop_info arguments;
8376 (final_biv_value): Delete loop_start and loop_end arguments;
8378 (final_giv_value, back_branch_in_range_p): Likewise.
8380 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
8382 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
8384 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
8386 * Makefile.in (c-gperf.h) : Change the "See" pointer to
8387 point to the new "generated_files" doc.
8389 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
8391 * config/fp-bit.c (_unord_f2): Fix typo.
8393 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8395 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
8396 c-typeck.c, objc/objc-act.c: Remove all references to obstack
8397 functions obsoleted by GC, such as push_obstacks_nochange,
8398 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
8399 and code which existed only to decide whether or not to call
8400 them. Remove now-unused NESTED argument from start_function;
8401 all callers changed. Do not change behavior based on ggc_p.
8402 The use of the ixp_obstack in c-iterate.c and the util_obstack
8403 in objc/objc-act.c remain; these are not obsoleted by garbage
8405 * c-tree.h: Update prototype for start_function.
8407 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
8409 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
8411 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
8414 2000-01-25 Richard Henderson <rth@cygnus.com>
8416 * sparc-protos.h (select_cc_mode): Declare.
8417 * sparc.c (select_cc_mode): New. Handle unordered compares.
8418 (output_cbranch): Always reverse via code change. Handle
8419 unordered compares. Factor tests and string updates.
8420 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
8421 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
8422 * sparc.md (bunordered, bordered): New.
8423 (bungt, bunlt, buneq, bunge, bunle): New.
8425 2000-01-25 Richard Henderson <rth@cygnus.com>
8427 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
8428 * ggc-common.c (ggc_add_rtx_varray_root): New.
8429 (ggc_mark_rtx_varray): New.
8430 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
8431 functions down below ggc_mark_foo.
8432 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
8434 2000-01-25 Richard Henderson <rth@cygnus.com>
8436 * alpha.c (secondary_reload_class): Don't allocate a secondary
8437 for integral mode memories into FLOAT_REGS. Rearrange the more
8438 complicated memory expression inward.
8440 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
8442 * inclhack.def: Fixes to play nicer with FreeBSD, and
8443 corrections to comments.
8444 (cxx_unready): Add select expression.
8445 (irix_sockaddr): Add bypass expression.
8446 (machine_ansi_h_va_list): New fix.
8447 (stdio_va_list): No need to edit _BSD_VA_LIST_.
8448 Split out addition of "#include <stdarg.h>" to...
8449 (stdio_stdarg_h): ... here.
8450 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
8451 to stdlib.h also. Do not munge _BSD_SIZE_T_.
8452 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
8454 (ultrix_ifdef): Tighten up select expression.
8456 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
8457 re_ct and max_mach to avoid use of shell. Make printed names
8458 match names in inclhack.def. Use static copyright date.
8459 Don't count c_test and test expressions as requiring regex_t
8460 slots. Add some commentary.
8461 * inclhack.tpl: Do not include the 'This script contains N
8462 fixup scripts' line if PROGRAM is defined. Use static
8465 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
8467 * dwarf2out.c: include "varray.h", not dyn-string.h.
8468 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
8469 (addr_const_to_string, addr_to_string): Lose.
8470 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
8471 (struct dw_val_struct): val_addr is now an rtx.
8472 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
8473 (used_rtx_varray): New varray.
8474 (dwarf2out_init): Initialize it.
8476 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
8478 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
8479 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
8480 * Makefile.in (dwarf2out.o): Update dependencies.
8482 2000-01-24 Richard Henderson <rth@cygnus.com>
8484 * i386.c (i386_dwarf_output_addr_const): New.
8485 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
8487 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
8489 * dwarfout.c (output_mem_loc_descriptor): Likewise.
8490 * i386.c (i386_simplify_dwarf_addr): New.
8491 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
8493 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
8495 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
8496 TYPE_STUB_DECL is NULL.
8498 2000-01-24 Richard Henderson <rth@cygnus.com>
8500 * builtins.c (expand_tree_builtin): Move ...
8501 * c-common.c (expand_tree_builtin): ... here.
8503 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8505 * loop.h (LOOP_INFO): New accessor macro.
8506 * basic-block.h (struct loop): Rename field `info' to `aux'.
8507 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
8508 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
8509 * unroll.c (loop_iterations, unroll_loop): Likewise.
8511 2000-01-24 Christopher Faylor <cgf@cygnus.com>
8513 * config/i386/t-cygwin: Accomodate new winsup directory layout
8514 when searching for include files.
8516 2000-01-24 Richard Henderson <rth@cygnus.com>
8518 * rtl.def: Add unordered fp comparisions.
8519 * tree.def: Likewise.
8520 * tree.h: Add ISO C 9x unordered fp comparision builtins.
8522 * builtins.c (expand_tree_builtin): New function.
8523 * c-typeck.c (build_function_call): Use it.
8524 (build_binary_op): Support unordered compares.
8525 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
8527 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
8528 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
8529 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
8530 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
8531 * jump.c (reverse_condition): Don't abort for UNLE etc, but
8533 (swap_condition): Handle unordered compares.
8534 (thread_jumps): Check can_reverse before reversing.
8535 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
8538 * optabs.c (can_compare_p): New argument CODE. Verify branch or
8539 setcc is present before acking for cmp_optab. Update all callers.
8540 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
8541 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
8542 * expr.c (expand_expr): Likewise. Support unordered compares.
8543 (do_jump, do_store_flag): Likewise.
8544 * expr.h (enum libfunc_index): Add unordered compares.
8546 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
8547 (DPBIT_FUNCS): Add _unord_df.
8548 * config/fp-bit.c (_unord_f2): New.
8549 * fp-test.c (main): Try unordered compare builtins.
8551 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
8552 * alpha.c (alpha_comparison_operator): Check mode properly.
8553 (alpha_swapped_comparison_operator): Likewise.
8554 (signed_comparison_operator): Likewise.
8555 (alpha_fp_comparison_operator): New.
8556 (alpha_emit_conditional_branch): Handle unordered compares.
8557 * alpha.h (PREDICATE_CODES): Update.
8558 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
8559 (bunordered, bordered): New.
8561 2000-01-24 Richard Henderson <rth@cygnus.com>
8563 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
8564 * alpha.md (movtf): New expander, insn, and splitter.
8566 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
8568 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8571 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
8573 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
8574 (FIXED_REGISTERS, CALL_USED_REGISTERS,
8575 REG_ALLOC_ORDER): Add frame pointer
8576 (FRAME_POINTER_REGNUM): Set to 20
8577 (HARD_FRAME_POINTER_REGNUM): New macro.
8578 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
8579 to HARD_FRAME_POINTER.
8580 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
8581 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
8582 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
8583 (HI_REGISTER_NAMES): Add "frame".
8584 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
8585 (debug_reg): Handle FRAME_POINTER_REGNUM.
8586 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
8587 GENERAL_REGS and INDEX_REGS.
8588 * i386.c (SAVED_REGS_FIRST): new macro.
8589 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
8590 (ix86_decompose_address, memory_address_length): Likewise.
8591 (regclass_map): Add frame pointer.
8592 (call_insn_operand): Handle frame_pointer_rtx.
8593 (reg_no_sp_operand): Likewise.
8594 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
8595 (print_operand, legitimize_pic_address): Fix formating.
8596 (ix86_compute_frame_size): Make static, update prototype, new
8597 parameters padding1, padding2, use ix86_nsaved_regs, use
8598 stack_alignment_needed.
8599 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
8600 to HARD_FRAME_POINTER_REGNUM conversions.
8601 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
8602 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
8603 (print_reg): Abort on FRAME_POINTER_REGNUM
8605 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
8607 * i386.h (PREDICATE_CODES): Add aligned_operand.
8608 * i386.c (aligned_operand): New function.
8609 (ix86_aligned_p): Kill.
8610 * i386.md (movhi_1): Emit mov for aligned operands.
8611 (promoting peep2s): Use aligned_operand.
8613 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
8615 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
8616 expression to allow underscores in macro names.
8617 (fix_char_macro_defines): Increment scanning pointer.
8619 2000-01-23 Richard Henderson <rth@cygnus.com>
8621 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
8622 * alpha/osf5.h: New file.
8623 * configure.in (alpha-*-osf5): Add it to tm_file.
8625 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
8627 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
8628 (alpha_emit_xfloating_cvt, function_arg): Declare.
8629 * alpha.c (alpha_emit_conditional_branch): Call
8630 alpha_emit_xfloating_compare for TFmode compares.
8631 (alpha_lookup_xfloating_lib_func): New.
8632 (alpha_compute_xfloating_mode_arg): New.
8633 (alpha_emit_xfloating_libcall): New.
8634 (alpha_emit_xfloating_arith): New.
8635 (alpha_emit_xfloating_compare): New.
8636 (alpha_emit_xfloating_cvt): New.
8637 (print_operand): Add default abort case.
8638 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
8639 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
8640 (BIGGEST_ALIGNMENT): Increase to 128 bits.
8641 (RETURN_IN_MEMORY): True for TF/TCmode.
8642 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
8643 (FUNCTION_ARG): Move to function_arg.
8644 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
8645 (ASM_OUTPUT_LONG_DOUBLE): New.
8646 (ASM_OUTPUT_DOUBLE): Always output bits.
8647 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
8648 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
8649 (extenddftf2, trunctfdf2): New.
8651 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8653 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
8654 * config/sparc/sol2.h: ... here.
8656 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8658 * basic-block.h (struct loops): New field `levels'.
8659 * flow.c (flow_loops_level_compute): Traverse all outer loops.
8660 (flow_loop_level_compute): Initialise level to 1.
8661 (flow_loops_find): Set loops->levels.
8662 (flow_loops_dump): Print loops->levels.
8664 2000-01-23 Richard Henderson <rth@cygnus.com>
8666 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
8667 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
8669 2000-01-23 Richard Henderson <rth@cygnus.com>
8671 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
8672 * i386.h (DBX_REGISTER_NUMBER): Use them.
8673 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
8674 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
8675 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
8676 * i386/sequent.h: Kill incorrect comment.
8678 2000-01-23 Mark Mitchell <mark@codesourcery.com>
8680 * ggc-page.c (struct page_entry): Make `context_depth' an
8682 (struct globals): Likewise.
8684 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
8686 * loop.c (check_dbra_loop): When checking a loop for
8687 reversability, check the source of any stores to ensure
8688 they don't depend on an initial value.
8690 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8692 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
8694 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
8696 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
8697 'pz_scan' into scope of entire function. Only affects
8698 compiles with -DDEBUG.
8700 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
8702 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
8703 section naming to that prior to 2000-01-07 patch.
8704 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
8705 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
8706 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
8707 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
8708 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
8710 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
8712 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
8715 2000-01-21 Jim Wilson <wilson@cygnus.com>
8717 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
8718 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
8720 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8722 * cpphash.c (change_newlines): Delete function.
8723 (struct argdata): Delete 'newlines' and 'use_count' fields.
8724 (macroexpand): Remove code referencing those fields.
8726 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8728 * loop.c (loops_info): New variable.
8729 (loop_optimize): Allocate loops->array and free it on exit.
8730 Allocate memory for loops_info and assign to each loop,
8732 (find_and_verify_loops): Do not allocate loops->array.
8734 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
8736 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
8738 2000-01-21 Jakub Jelinek <jakub@redhat.com>
8740 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
8741 pseudos if expanded after first flow.
8742 (movdi_pic_label_ref): Likewise.
8744 2000-01-20 Richard Henderson <rth@cygnus.com>
8746 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
8748 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
8750 * Makefile.in (fixinc.sh): Depend on specs.
8751 * fixinc/Makefile.in: Add rule to create machname.h.
8752 (fixlib.o): Depend on machname.h.
8753 * fixinc/fixtests.c (machine_name): New test.
8754 * fixinc/fixfixes.c (machine_name): New fix.
8755 * fixinc/fixlib.c (mn_get_regexps): New helper function for
8756 the machine_name test and fix.
8757 * fixinc/fixlib.h: Prototype it.
8758 * fixinc/inclhack.def (machine_name): Use the C test and fix.
8759 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
8761 * gcc.c (do_spec_1) [case P]: Take care not to create
8762 identifiers with three leading or trailing underscores.
8764 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
8765 (fixincl): Don't specify libraries twice on link line.
8766 (gnu-regex.o): Remove special rule.
8767 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
8768 defined by config.h. Do not define _REGEX_RE_COMP.
8769 (regcomp): Allocate and initialize a fastmap.
8770 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
8772 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
8774 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
8776 2000-01-19 Richard Henderson <rth@cygnus.com>
8778 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
8779 arguments with BB. Update all callers. Tidy line wrapping.
8781 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
8783 * emit-rtl.c (try_split): Return last_insn if we split the
8786 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
8788 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
8789 (ix86_initial_elimination_offset): Declare.
8790 * i386.c (ix86_nsaved_regs): Break out from ...
8791 (ix86_can_use_return_insn_p): ... here.
8792 (ix86_emit_save_regs): Break out from ...
8793 (ix86_expand_prologue): ... here.
8794 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
8796 (ix86_expand_epilogue): ... here.
8797 (ix86_compute_frame_size): Make static, add prototype.
8798 (ix86_initial_elimination_offset): Break out from ...
8799 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
8801 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8803 * recog.h (OUT_FCN): Delete.
8805 * vax.md: Call `get_insn_template' instead of OUT_FCN.
8807 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8809 * cppalloc.c: PROTO -> PARAMS.
8810 * cpperror.c: Likewise.
8811 * cppfiles.c: Likewise.
8812 * cpplib.c: Likewise.
8813 * cpplib.h: Likewise.
8815 * config/arm/arm-protos.h: PROTO -> PARAMS.
8816 * config/arm/arm.c: Likewise.
8817 * config/c4x/c4x.c: Likewise.
8818 * config/fr30/fr30-protos.h: Likewise.
8819 * config/nextstep.c: Likewise.
8820 * config/pa/pa.c: Likewise.
8821 * config/pj/pj.c: Likewise.
8822 * config/rs6000/rs6000.c: Likewise.
8823 * config/v850/v850-protos.h: Likewise.
8824 * config/v850/v850.c: Likewise.
8826 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8828 * i370-protos.h: New file.
8830 * i370.c: Include tm_p.h. Fix compile time warnings.
8832 * i370.h: Move prototypes to i370-protos.h. Fix compile time
8835 * i370.md: Likewise.
8837 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8839 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
8840 (target_isinf, target_isnan, eisnan): Mark parameter with
8842 (eiisinf): Wrap in INFINITY.
8843 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
8844 (ibmtoe): Remove unused variable `rndsav'.
8846 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8848 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
8849 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
8851 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
8853 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
8854 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
8855 (fix_char_macro_defines, fix_char_macro_uses): New functions.
8857 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
8858 Recognize Emacs mode markers also.
8859 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
8860 C++ comments in C++ headers. Call is_cxx_header only if
8863 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
8865 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
8866 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
8867 ... these, which use the new C fixes.
8868 (math_exception): Escape literal '+' in bypass expression.
8870 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
8873 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8875 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
8878 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8880 * loop.c (loop_optimize): Allocate loop_info structure for each loop
8881 prior to calling scan_loop.
8883 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8885 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
8886 (split_branches, calc_live_regs): Likewise.
8888 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8890 * sh.md (fpu_single, fp_mode): New attributes.
8892 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8894 * loop.c (current_loop_info): Renamed from loop_info_data
8895 and changed to a pointer.
8896 (loop_optimize): Allocate loop_info structure for each loop
8897 and initialise to zero.
8898 (scan_loop): Set current_loop_info.
8900 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
8903 2000-01-19 Richard Henderson <rth@cygnus.com>
8905 * stupid.c: Die die die.
8906 * Makefile.in (OBJS): Remove stupid.o.
8907 (stupid.o): Likewise.
8909 * except.c (emit_eh_context): Don't emit USEs for stupid.
8910 * explow.c (probe_stack_range): Likewise.
8911 * flags.h (obey_regdecls): Remove.
8912 * flow.c (find_basic_blocks): Don't run try_merge_blocks
8913 when not optimizing.
8914 (life_analysis): Limit data collection when not optimizing.
8915 (mark_regs_live_at_end): Always mark the return value registers.
8916 (mark_used_regs): Remove dummy RETURN case.
8917 (print_rtl_with_bb): Don't consult obey_regdecls.
8918 * function.c (use_variable, use_variable_after): Remove.
8919 (assign_parms): Consult optimize not obey_regdecls.
8920 (expand_function_start): Don't emit USEs for stupid.
8921 (expand_function_end): Likewise.
8922 * global.c (build_insn_chain): Export.
8923 * integrate.c (expand_inline_function): Kill return-value USE
8925 * jump.c (jump_optimize_1): Do simple jump optimizations and
8926 dead code elimination.
8927 (calculate_can_reach_end): Remove check_deleted argument.
8928 (delete_insn): Patch out insns even when not optimizing.
8929 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
8930 * rtl.h (use_variable, use_variable_after): Remove declarations.
8931 (build_insn_chain): Declare.
8932 * stmt.c (expand_value_return): Don't emit USEs for stupid.
8933 (expand_end_bindings): Likewise.
8934 (expand_decl): Likewise. Consult optimize not obey_regdecls.
8935 * toplev.c (obey_regdecls): Remove.
8936 (rest_of_compilation): Don't set it. Kill stupid in favour of
8937 flow1, local-alloc, and reload.
8938 (main): Don't set obey_regdecls.
8940 * config/nextstep.c (handle_pragma): Likewise.
8942 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
8944 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
8946 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8948 * alpha-protos.h: PROTO -> PARAMS.
8949 * alpha.c: Likewise.
8951 * h8300.c: Likewise.
8952 * i386-protos.h: Likewise.
8954 * m32r-protos.h: Likewise.
8957 * mips.md: Likewise.
8958 * gmon-sol2.c: Likewise.
8959 * sparc.c: Likewise.
8961 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8963 * ns32k-protos.h: New file.
8965 * ns32k.c: Fix compile time warnings.
8967 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
8970 * ns32k.md: Likewise.
8972 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8974 * vax-protos.h: New file.
8976 * vax.c: Fix compile time warnings.
8978 * vax.h: Move prototypes to vax-protos.h. Fix compile time
8983 * vaxv.md: Likewise.
8985 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8987 * romp-protos.h: New file.
8989 * romp.c: Fix compile time warnings.
8991 * romp.h: Move prototypes to romp-protos.h. Fix compile time
8994 * romp.md: Likewise.
8996 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8998 * we32k-protos.h: New file.
9000 * we32k.c: Fix compile time warnings.
9002 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
9005 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9007 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
9009 * except.c (eh_regs): Likewise.
9011 * final.c (output_operand): Likewise.
9013 * fold-const.c (target_isinf, target_isnan): Likewise.
9015 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9017 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
9018 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
9020 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
9022 (clrstrsi): Rewrite.
9023 (strsethi, strsetqi): New expanders.
9024 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
9025 (cmpstrsi): Emit compare insn before cmpstrsi_1
9026 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
9027 (strlensi_1): Likewise.
9028 (cmpstrsi_1): Likewise; do not output compare.
9029 (strlen expander): Do not unroll when optimizing for size.
9030 (*subsi3_carry): Rename to subsi3_carry
9031 (addqi3_cc): New pattern.
9032 * i386.h (processor_costs): Add move_ratio field.
9033 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
9034 * i386.c (*_cost): Set move_ratio.
9035 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
9036 (x86_expand_strlensi_1): Rewrite the main loop.
9038 2000-01-17 Richard Henderson <rth@cygnus.com>
9040 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
9041 * cse.c (find_comparison_args, fold_rtx): Likewise.
9042 * integrate.c (subst_constants): Likewise.
9043 * loop.c (get_condition): Likewise.
9045 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
9047 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
9049 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9051 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
9052 (RESTORE_WARN_FLAGS): Unpack it.
9053 Change semantic type of extension to ttype.
9054 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
9055 * c-parse.y, c-parse.c, objc/objc-parse.y,
9056 objc/objc-parse.c: Regenerate.
9058 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
9060 * fixinc/fixlib.c: Add copyright notice.
9061 (compile_re): New function.
9062 * fixinc/fixlib.h: Prototype compile_re.
9064 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
9065 Use compile_re to compile regular expressions.
9067 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
9068 where the pattern matched.
9070 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
9072 (ultrix_ansi_compat): Likewise.
9073 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
9075 (interactv_add2, interactv_add3): Delete.
9076 (x11_sprintf): Don't use filename glob.
9077 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
9080 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9082 * print-rtl.c: PROTO -> PARAMS.
9084 * reg-stack.c: Likewise.
9085 * resource.c: Likewise.
9086 * sdbout.h: Likewise.
9087 * simplify-rtx.c: Likewise.
9088 * stor-layout.c: Likewise.
9089 * stupid.c: Likewise.
9090 * xcoffout.c: Likewise.
9091 * xcoffout.h: Likewise.
9093 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9095 * toplev.c: PROTO -> PARAMS.
9096 * toplev.h: Likewise.
9099 * unroll.c: Likewise.
9100 * varasm.c: Likewise.
9101 * varray.c: Likewise.
9102 * varray.h: Likewise.
9104 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9106 * reload.c: PROTO -> PARAMS.
9107 * reload.h: Likewise.
9108 * reload1.c: Likewise.
9109 * reorg.c: Likewise.
9110 * resource.h: Likewise.
9113 * rtlanal.c: Likewise.
9114 * sbitmap.h: Likewise.
9115 * sdbout.c: Likewise.
9116 * stack.h: Likewise.
9118 * system.h: Likewise.
9120 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9122 * machmode.h: PROTO -> PARAMS.
9123 * mbchar.h: Likewise.
9124 * mips-tdump.c: Likewise.
9125 * mips-tfile.c: Likewise.
9126 * optabs.c: Likewise.
9127 * output.h: Likewise.
9128 * prefix.c: Likewise.
9129 * profile.c: Likewise.
9130 * protoize.c: Likewise.
9132 * recog.c: Likewise.
9133 * recog.h: Likewise.
9134 * regclass.c: Likewise.
9135 * regmove.c: Likewise.
9138 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9140 * ggc-common.c: PROTO -> PARAMS.
9141 * ggc-page.c: Likewise.
9142 * ggc-simple.c: Likewise.
9144 * global.c: Likewise.
9145 * graph.c: Likewise.
9146 * gthr-win32.h: Likewise.
9147 * haifa-sched.c: Likewise.
9148 * halfpic.h: Likewise.
9149 * integrate.c: Likewise.
9150 * integrate.h: Likewise.
9153 * local-alloc.c: Likewise.
9157 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9159 * genattr.c: PROTO -> PARAMS.
9160 * genattrtab.c: Likewise.
9161 * gencheck.c: Likewise.
9162 * gencodes.c: Likewise.
9163 * genconfig.c: Likewise.
9164 * genemit.c: Likewise.
9165 * genextract.c: Likewise.
9166 * genflags.c: Likewise.
9167 * gengenrtl.c: Likewise.
9168 * genopinit.c: Likewise.
9169 * genoutput.c: Likewise.
9170 * genpeep.c: Likewise.
9171 * genrecog.c: Likewise.
9173 2000-01-16 Mark Mitchell <mark@codesourcery.com>
9175 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
9177 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9179 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
9180 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
9181 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
9182 * configure, config.in: Rebuilt.
9184 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
9186 * config/i386/i386.md: Add peephole to merge successive stack
9189 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
9191 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
9192 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
9193 when walking backwards to find all the parameter loads when
9194 the basic block ends in a call.
9196 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9198 * loop.c (this_loop_info): Delete.
9199 (uid_loop): Add in place of uid_loop_num. All uses updated.
9200 (loop_number_exit_count): Delete and replace with entry in loop
9201 structure. All uses updated.
9202 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
9203 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
9204 (loop_outer_loop): Likewise.
9205 (loop_invalid, loop_number_exit_labels): Likewise.
9206 (loop_used_count_register): Delete and replace with entry in
9207 loop_info structure.
9208 (find_and_verify_loops): Add loops argument.
9209 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
9210 loop_end, etc. arguments with loop structure pointer. All callers
9212 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
9213 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
9214 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
9215 (insert_bct): Likewise.
9216 (basic_induction_var): New argument level.
9217 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
9218 vtop, and cont. Add used_count_register.
9219 (uid_loop): Delete declaration.
9220 (loop_number_exit_count): Likewise.
9221 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
9222 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
9223 (loop_outer_loop, loop_used_count_register): Likewise.
9224 (loop_invalid, loop_number_exit_labels): Likewise.
9225 (unroll_loop): Replace loop_start and loop_end arguments
9226 with loop structure pointer.
9227 (loop_precondition_p, loop_iterations): Likewise.
9228 Include basic-block.h.
9229 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
9230 with loop structure pointer.
9231 (loop_precondition_p, loop_iterations): Likewise.
9232 * basic-block.h (struct loop): New entries vtop, cont,
9233 cont_dominator, start, end, top, scan_start, exit_labels,
9235 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
9237 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9239 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
9241 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
9243 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
9245 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9247 * pdp11-protos.h: New file.
9249 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
9252 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
9255 * pdp11.md: Likewise.
9259 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9261 * mn10300-protos.h: New file.
9263 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
9266 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
9269 * mn10300.md: Likewise.
9271 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9273 * mn10200-protos.h: New file.
9275 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
9278 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
9281 * mn10200.md: Likewise.
9283 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9285 * h8300-protos.h: New file.
9287 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
9290 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
9293 * h8300.md: Likewise.
9295 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9297 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
9298 (asm_emit_uninitialised): Likewise.
9300 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
9302 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
9303 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
9305 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9307 * config/mips/mips.c (override_options): Don't turn on extra
9308 alignment for mips16.
9310 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9312 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
9313 eabi, and make sure queued POSTINCREMENT rtl is emitted at
9316 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9318 * builtins.c (PAD_VARARGS_DOWN): Define.
9319 (std_expand_builtin_va_arg): Use the above macro.
9320 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
9321 * tm.texi (Register Arguments): Document the above macro.
9323 2000-01-14 Nick Clifton <nickc@cygnus.com>
9325 * emit-rtl.c (emit_insn): If checking is enabled, make sure
9326 that this function has not been used to emit a jump
9329 * jump.c (return_jump_1): Cope with being passed a null rtx.
9331 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9333 * eh-common.h: PROTO -> PARAMS.
9334 * emit-rtl.c: Likewise.
9335 * errors.c: Likewise.
9336 * errors.h: Likewise.
9337 * except.c: Likewise.
9338 * except.h: Likewise.
9339 * explow.c: Likewise.
9340 * expmed.c: Likewise.
9343 * final.c: Likewise.
9344 * fix-header.c: Likewise.
9346 * fold-const.c: Likewise.
9347 * function.c: Likewise.
9348 * function.h: Likewise.
9350 * gcov-io.h: Likewise.
9354 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9356 * sh-protos.h: New file.
9358 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
9359 Add static prototypes. Fix compile time warnings.
9361 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
9365 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9367 * arc-protos.h: New file.
9369 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
9372 * arc.h: Move prototypes to arc-protos.h. Fix compile time
9377 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9379 * dsp16xx-protos.h: New file.
9381 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
9384 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
9387 * dsp16xx.md: Likewise.
9389 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9391 * convex-protos.h: New file.
9393 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
9396 * convex.h: Move prototypes to convex-protos.h. Fix compile time
9399 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9401 * elxsi-protos.h: New file.
9403 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
9406 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
9409 * elxsi.md: Likewise.
9411 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
9413 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
9414 case for moving from HI/LO/HI_LO_REG. This makes the behavior
9415 match the comment for MIPS16.
9417 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
9419 * flow.c (split_edge): Do not call set_block_for_insn if we
9420 do not have a basic_block_for_insn structure.
9422 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
9423 and destination functions are 32bit aligned within the trampoline.
9424 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
9425 (TRAMPOLINE_ALIGNMENT): Define.
9427 * cse.c (cse_insn): When changing (set (pc) (reg)) to
9428 (set (pc) (label_ref)), verify the change creates a valid insn.
9430 * fr30.c (call_operand): Tighten and rework to match rules for
9431 call RTL expressions.
9432 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
9433 * fr30.md (call patterns): Improve constraints.
9435 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
9437 * fr30.c (fr30_expand_epilogue): Revert last change.
9438 Use emit_jump_insn for the return insn.
9440 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
9441 Stan Cox <scox@cygnus.com>
9443 * predict.c: New file. Preliminary infrastructure work for static
9444 branch prediction and basic block reordering.
9445 * basic-block.h: Add prototype for estimate_probability.
9446 * Makefile.in: Add rules for predict.o.
9448 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
9450 * fixincludes (va_list): Use __not_va_list__ for the dummy.
9451 * fixinc/*: Likewise.
9453 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9455 * cccp.c: PROTO -> PARAMS.
9457 * collect2.c: Likewise.
9458 * combine.c: Likewise.
9459 * convert.h: Likewise.
9461 * dbxout.c: Likewise.
9462 * dbxout.h: Likewise.
9463 * diagnostic.c: Likewise.
9464 * doprint.c: Likewise.
9465 * dwarf2out.c: Likewise.
9466 * dwarf2out.h: Likewise.
9467 * dwarfout.c: Likewise.
9468 * dwarfout.h: Likewise.
9469 * dyn-string.h: Likewise.
9471 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9473 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
9474 macro conditionals guarding use.
9476 * dwarf2out.c: Include "tm_p.h".
9478 * function.c (locate_and_pad_parm): Mark parameter with
9480 (expand_function_end): Likewise for variable `context'.
9482 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
9484 2000-01-13 Nick Clifton <nickc@cygnus.com>
9486 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
9487 register to prevent compile time warnings.
9489 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
9491 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
9492 to avoid -Wtraditional warning.
9494 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9496 * 1750a-protos.h: New file.
9498 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
9501 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
9504 * 1750a.md: Likewise.
9506 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9508 * a29k-protos.h: New file.
9510 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
9513 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
9516 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9518 * clipper-protos.h: New file.
9520 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
9523 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
9526 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9528 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
9530 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
9532 * configure.in (--enable-new-gxx-abi): New option.
9533 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
9534 * Makefile.in (GXX_ABI_FLAG): New variable.
9535 * configure: Regenerate.
9537 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9539 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
9540 * tm.texi (FORCE_STRUCT_BLK): Document.
9541 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
9543 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
9545 * config/ns32k/ns32k.md: Revert Jan 9 change.
9547 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
9548 to a mode-test, if the predicate is address_operand.
9550 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
9552 * combine.c (if_then_else_cond): Be careful about what kinds
9553 of RTL expressions are passed to operand_subword.
9555 * flow.c (split_edge): If we have to insert a new jump, make
9556 sure to associate it with a basic block.
9558 * flow.c (commit_one_edge_insertion): A block with one successor
9559 can end in a JUMP_INSN that is not a simplejump.
9561 2000-01-12 Robert Lipe <robertl@sco.com>
9563 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
9564 (BUILD_VA_LIST_TYPE): Define.
9565 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
9568 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
9570 * cccp.c (do_pragma): Add cast to (char *).
9572 2000-01-12 Richard Henderson <rth@cygnus.com>
9573 Fred Fish <fnf@be.com>
9574 Jason Merrill <jason@cygnus.com>
9576 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
9577 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
9578 * i386/beos-elf.h, i386/beos-pe.h: New files.
9580 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
9581 * cross-make (SYSTEM_HEADER_DIR): Define using
9582 CROSS_SYSTEM_HEADER_DIR.
9584 * gcc.c (LIBRARY_PATH_ENV): Provide default.
9585 (process_command): Use it.
9586 (main): Likewise. Kill trailing = from env vars.
9587 (build_search_list): Put it back.
9588 * collect2.c (main): Use LIBRARY_PATH_ENV.
9590 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
9591 * toplev.c: Use NEED_DECLARATION_ENVIRON.
9593 * tm.texi (Frame Layout): Document SMALL_STACK.
9594 * c-common.c (c_common_nodes_and_builtins): Check it.
9596 * system.h: Undef alloca after including glibc's <stdlib.h>,
9597 if USE_C_ALLOCA is defined.
9599 * gcc.c (set_input): New fn.
9600 (main): After all input files are compiled, reset the input file
9603 * aclocal.m4 (rindex, index): If already defined, don't attempt
9606 * ginclude/varargs.h: (__va_list__): Define ifndef.
9607 * ginclude/stdarg.h: Likewise.
9609 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
9610 instead of unsigned char.
9612 * hash.h (true, false, boolean): Undef before enum.
9614 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
9615 proper type of "HOST_WIDE_INT *", rather than their natural type of
9616 "unsigned HOST_WIDE_INT *".
9618 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9620 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
9622 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
9624 * regclass.c (choose_hard_reg_mode): Likewise.
9626 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
9628 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
9630 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9632 * c-common.c: PROTO -> PARAMS.
9633 * c-common.h: Likewise.
9634 * c-decl.c: Likewise.
9635 * c-iterate.c: Likewise.
9636 * c-lang.c: Likewise.
9637 * c-lex.c: Likewise.
9638 * c-lex.h: Likewise.
9639 * c-parse.in: Likewise.
9640 * c-pragma.c: Likewise.
9641 * c-pragma.h: Likewise.
9642 * c-tree.h: Likewise.
9643 * c-typeck.c: Likewise.
9644 * objc/objc-act.c: Likewise.
9645 * objc/objc-act.h: Likewise.
9647 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9649 * m88k-protos.h: New file.
9651 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
9654 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
9656 * m88k.md: Likewise.
9658 * tekXD88.h: Likewise.
9660 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9662 * m68k-protos.h: New file.
9664 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
9667 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
9669 * mot3300.h: Likewise.
9671 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
9673 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
9675 (extract_bitlist): Declare bitlen.
9677 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
9679 * cccp.c: Accept and ignore -lang-fortran.
9681 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
9682 qualifiers don't match at any level of pointerness.
9684 2000-01-12 Robert Lipe <robertl@sco.com>
9686 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
9688 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
9690 * reload1.c (reload_reg_unavailable): New static variable.
9691 (reload_reg_free_p): Test it.
9692 (reload_reg_free_for_value_p): Test it instead of
9694 (choose_reload_regs_init): Compute it.
9696 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
9698 * reorg.c (fill_slots_from_thread): Check modified_in_p
9701 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
9703 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
9704 these nodes even if INTERNALS is not set.
9706 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
9708 * gcse.c (delete_null_pointer_checks_1): Cope when
9709 get_condition cannot determine the condition.
9711 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
9713 * toplev.h (set_message_length): Declare.
9715 * diagnostic.c (obstack_chunk_alloc): Define macro.
9716 (obstack_chunk_free): Likewise.
9717 (struct output_buffer): New data structure.
9719 (output_maximum_width): New variable.
9720 (doing_line_wrapping, set_message_length, init_output_buffer,
9721 get_output_prefix, output_space_left, emit_output_prefix,
9722 output_newline, output_append, output_puts, dump_output,
9723 vbuild_message_string, build_message_string, build_location_prefix,
9724 voutput_notice, output_printf, line_wrapper_printf,
9725 vline_wrapper_message_with_location): New functions. Implement
9726 automatic line wrapping.
9727 (v_message_with_decl): Make it handle automatic line wrapping.
9728 (v_error_with_file_and_line): Likewise.
9729 (v_warning_with_file_and_line): Likewise.
9730 (announce_function): Likewise.
9731 (default_print_error_function): Likewise.
9733 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
9735 * cpplib.h (struct cpp_options): Change lang_asm to char.
9737 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
9738 done in cpp_handle_option now.
9739 (initialize_builtins): Take out special case code used only by
9741 (cpp_handle_option): Turn off trigraphs and trigraph warnings
9742 if -traditional. Recognize -lang-fortran and set
9743 lang_fortran, also turn off cplusplus_comments.
9744 (print_help): Document -lang-fortran.
9745 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
9746 lang_asm. Ignore all directives other than `# 123 "file"' if
9748 (cpp_get_token): If -traditional, don't recognize directives
9749 unless the # is in column 1.
9750 (parse_string): If lang_fortran or lang_asm, silently
9751 terminate strings ('' or "") at end of line.
9752 Remove unnecessary braces.
9754 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9755 Richard Henderson <rth@cygnus.com>
9757 * resource.c (mark_referenced_resources): Mark a set strict_low_part
9759 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
9760 strict_low_part when possible.
9762 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9764 * alias.c: PROTO -> PARAMS.
9765 * basic-block.h: Likewise.
9766 * bitmap.c: Likewise.
9767 * bitmap.h: Likewise.
9768 * builtins.c: Likewise.
9769 * c-aux-info.c: Likewise.
9770 * caller-save.c: Likewise.
9771 * calls.c: Likewise.
9773 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9775 * Makefile.in (toplev.o): Depend on regs.h.
9777 * output.h (tdesc_section): Prototype.
9779 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
9781 * sdbout.c: Include "tm_p.h".
9783 * toplev.c: Include "regs.h".
9785 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
9787 * unroll.c (unroll_loop): Add EH support.
9789 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9791 * pa-protos.h: New file.
9793 * pa.c: Include recog.h and tm_p.h.
9794 (compute_zdepwi_operands, compute_movstrsi_length,
9795 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
9796 find_addr_reg, import_milli): Add static prototypes.
9797 (pa_cpu_string, pa_arch_string): Constify a char*.
9798 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
9799 (read_only_operand): Add argument `mode'.
9800 (singlemove_string, output_move_double, output_fp_move_double,
9801 output_block_move, output_and, output_ior, output_ascii,
9802 remove_useless_addtr_insns, milli_names, output_mul_insn,
9803 output_div_insn, output_mod_insn, output_arg_descriptor,
9804 output_cbranch, output_bb, output_bvb, output_dbra, ,
9805 output_millicode_call, output_call, hppa_encode_label,
9806 output_parallel_movb, output_parallel_addb): Constify a char*.
9807 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
9808 (output_parallel_addb): Remove extra arg to `constrain_operands'
9810 * pa.h: Move all prototypes to pa-protos.h.
9811 (pa_cpu_string, pa_arch_string): Constify a char*.
9812 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
9814 * pa.md: Call `function_label_operand' with mode argument.
9815 Likewise for `read_only_operand'.
9816 Fix nesting of parens in call to `symbolic_operand'.
9818 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9820 * i860-protos.h: New file.
9822 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
9825 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
9827 * i860.md: Likewise.
9829 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
9831 * i386.md (movstrsi expander): Rewrite.
9832 (movstrsi_1 insn): Deleted.
9833 (strmovhi, strmovqi expander): New expanders.
9834 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
9835 * i386.c (x86_single_stringop): New global variable.
9836 * i386.h (x86_single_stringop): Declare.
9837 (TARGET_SINGLE_STRINGOP): New macro.
9839 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9841 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
9842 integer vararg POSTINCREMENT before the destination of the jump
9843 for the hard fp case.
9844 (function_arg_pass_by_reference): Pass a copy of CUM to
9847 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
9848 for CONSTANT_ADDRESS_P above while loop for subreg.
9850 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
9852 * flow.c (propagate_block): When a prologue/epilogue insn
9853 is marked dead, unconditionally clear libcall_is_dead and
9854 insn_is_dead, and only dump rtl if warnings aren't being
9857 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
9859 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
9860 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
9861 (FIXED_REGISTERS): Set dirflag as fixed.
9862 (CALL_USED_REGISTERS): Set dirflag as used.
9863 (REG_ALLOC_ORDER): Set dirflag as last one.
9864 (DIRFLAG_REG): New macro.
9865 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
9866 (HI_REGISTER_NAMES): Add dirflag.
9867 (DEBUF_PRINT_REG): Handle dirflag.
9868 * i386.md (type attribute): New cld and str types.
9869 (length_opcode attribute): Set cld and str to 1.
9870 (memory attribute): Set str to unknown - it is not clear from the
9872 (pent_np function unit): Prefixed string operations takes 12 cycles
9873 minimally; cld takes 2 cycles.
9874 (ppro_uops attribute): Str is "many" and cld is "few".
9875 (ppro_p0 unit): Handle cld here.
9876 (k6_alux unit): Handle cld and str types.
9877 (k6_load unit): It is ocupied by str opcodes.
9878 (k6_store unit): It is ocupied by str opcodes.
9879 (athlon_decode): Str is vector decoded.
9880 (athlon_ieu): Handle str and cld.
9882 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
9883 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
9884 cmpstrsi_nz_1 insn): Do not output cld instruction
9886 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
9888 * gcc.texi (G++ and GCC): Add Java and Chill.
9889 (Bug Critera): Don't list languages.
9891 * gcc.texi (Incompatibilities): No longer claim most C compilers
9894 * gcc.texi (G++ and GCC): Update other front-ends list.
9896 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
9898 * i386.c (ix86_expand_setcc): Fix typo.
9899 (ix86_expand_movcc): Similarly.
9901 * Band-aid until haifa's bitset implementation is nuked.
9902 * haifa-sched.c (extract_bitlst): New parameter for size of the
9903 bitset in bits. All callers changed. Avoid looking at undefined
9905 (edgeset_bitsize): New variable.
9906 (schedule_region): Initialize edgeset_bitsize.
9908 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9910 * Makefile.in (optabs.o): Depend on real.h
9911 (resource.o): Depend on insn-attr.h
9913 * builtins.c (result_vector): Wrap prototype in macro conditions
9914 governing definition and use.
9916 * c-common.c: Include tm_p.h.
9918 * c-lex.c: Likewise.
9920 * elfos.h: Constify a char*.
9922 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
9923 (get_attr_length, shorten_branches, profile_after_prologue): Mark
9924 parameter with ATTRIBUTE_UNUSED.
9926 * fold-const.c (exact_real_inverse): Wrap variable `i' in
9929 * haifa-sched.c (schedule_insns): Mark parameter with
9932 * optabs.c: Include real.h.
9934 * real.h (ereal_atof): Add prototype arguments.
9936 * resource.c: Include insn-attr.h.
9938 * sdbout.c (sdbout_queue_anonymous_type,
9939 sdbout_dequeue_anonymous_types): Wrap in macro
9940 SDB_ALLOW_FORWARD_REFERENCES.
9941 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
9944 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
9946 * stupid.c: Include tm_p.h.
9948 * tree.c (real_value_from_int_cst): Mark parameter with
9951 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9953 * i960-protos.h: New file.
9955 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
9958 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
9960 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9962 * combine.c (expand_field_assignment): Do not discard SUBREGs
9963 while computing nonzero_bits.
9965 2000-01-09 Nick Clifton <nickc@cygnus.com>
9967 * config/arm/arm.c: Fix compile time warnings about signed vs
9969 * config/arm/arm.h: Fix compile time warnings about signed vs
9972 2000-01-09 Philip Blundell <philb@gnu.org>
9974 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
9975 than `ldm' with only one register.
9976 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
9979 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
9982 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
9984 * config/ns32k/ns32k.md (load or push effective address): Operand 1
9987 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9989 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9990 assignment used as truth value.
9992 * function.c (assign_temp): Mark parameter `dont_promote' with
9993 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
9994 PROMOTE_FOR_CALL_ONLY.
9996 * genrecog.c (write_subroutine): Mark variable `operands' with
9999 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
10002 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
10003 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
10005 * toplev.c (note_deferral_of_defined_inline_function): Likewise
10008 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10010 * config/c4x.h: Tidy up comments.
10011 * config/c4x.c: Likewise.
10013 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
10015 * fold-const.c (lshift_double, rshift_double): Handle
10016 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
10018 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10020 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
10021 in prepare_function_start().
10023 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
10025 * config/v850/v850.c (expand_epilogue): Interrupt functions no
10026 longer allocate extra stack for function calls.
10028 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10030 * config/c4x/c4x.md (*subqf3_set): Fix typo.
10032 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10034 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
10036 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10038 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10039 * aix43.h: Revert Aug 2 change.
10040 (HAS_INIT_SECTION): Define, not visible yet.
10041 (LD_INIT_SWITCH): Define, not visible yet.
10042 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10044 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
10046 * collect2.c (main): Expand ld2 size further.
10047 (export_object_lst): Cast assignment to avoid warning.
10048 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
10049 (scan_prog_file, COFF): Do not collect initialization or
10050 finalization functions generated for entire shared object if
10051 init/fini support present.
10053 2000-01-07 Nick Clifton <nickc@cygnus.com>
10055 * config/elfos.h: Tidy up formatting of marcos. Make sure
10056 that .section directives are always prefixed by a tab.
10058 * config/svr4.h: Add #include "elfos.h" and remove duplicate
10061 2000-01-07 Matt Austern <austern@sgi.com>
10063 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
10066 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
10068 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
10070 (crtbegin.o, s-crtS): Likewise.
10072 2000-01-06 Richard Henderson <rth@cygnus.com>
10074 * alpha.md (adddi_2+1): Limit offset such that it will be
10075 loadable with a single ldah+lda pair.
10076 (adddi_2+2): Explicitly fail split if we can't make it work.
10078 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
10080 * protoize.c: Conditionally include unistd.h.
10081 (IS_SAME_PATH_CHAR): New macro.
10082 (IS_SAME_PATH): New macro.
10083 (CPLUS_FILE_SUFFIX): New macro.
10084 (cplus_suffix): New static variable.
10085 (is_abspath): New static function.
10086 (in_system_include_dir): Handle DOS style pathnames.
10087 (file_could_be_converted): Likewise.
10088 (file_normally_convertible): Likewise.
10089 (directory_specified_p): Likewise.
10090 (file_excluded_p): Likewise.
10091 (abspath): Likewise.
10092 (shortpath): Likewise.
10093 (referenced_file_is_newer): Likewise.
10094 (save_def_or_dec): Likewise.
10095 (do_processing): Likewise.
10097 (edit_file): Likewise. Use rename instead of link.
10098 (rename_c_file): Likewise. Don't rename syscalls file.
10099 (munge_compile_params): Define null device for DOS based systems.
10100 (process_aux_info_file): Use binary mode if appliable.
10101 (edit_file): Likewise.
10102 * invoke.texi (Running Protoize): Document C++ suffixes used.
10104 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
10105 IS_DIR_SEPARATOR macros.
10106 * collect2.c: Likewise.
10107 * cppinit.c: Likewise.
10108 * dwarf2out.c: Likewise.
10110 * gcov.c: Likewise.
10111 * prefix.c: Likewise.
10113 * toplev.c: Likewise.
10114 * system.h: And move to here.
10116 * prefix.c (update_path): Fix typo in variable name.
10118 2000-01-06 Richard Henderson <rth@cygnus.com>
10120 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
10121 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
10122 (count_reg_sets_1, count_reg_references): Likewise.
10123 (flow_loops_level_compute): Start counting actual loop depth at 1.
10124 (flow_loops_find): Likewise.
10125 * local-alloc.c (update_equiv_regs): Likewise.
10126 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
10128 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10130 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
10131 FIRST_PSEUDO_REGISTER
10132 * dwarf2out.c: Don't include frame.h
10133 * dwarfout.c: Likewise
10134 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
10137 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
10139 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10142 * i386.c (movsf splitter): Fix typo in my last checkin.
10144 2000-01-05 Nick Clifton <nickc@cygnus.com>
10146 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
10147 own definition of this macro.
10148 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
10149 flag_data_sections or UNIQUE_SECTION_P are true.
10151 * tm.texi (UNIQUE_SECTION): Document that it can be called for
10152 unitialised data decls.
10154 * config/i386/winnt.c (i386_pe_unique_section): Cope with
10155 being called for uninitialised data.
10157 * config/i386/interix.c (i386_pe_unique_section): Cope with
10158 being called for uninitialised data.
10160 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
10161 for uninitialised data.
10163 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
10164 for uninitialised data.
10166 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
10167 for uninitialised data.
10169 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
10170 (UNIQUE_SECTION_P): Always generate a unique section if
10171 flag_data_sections is true.
10172 (UNIQUE_SECTION): Also generate unique sections for
10173 uninitialised data.
10174 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
10175 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
10178 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10180 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
10183 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10185 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
10186 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
10187 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
10188 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
10189 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
10191 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
10193 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10195 * c-decl.c (finish_enum): Simplify code to determine minimum and
10196 maximum values of the enum, and calculate the type. Remove check
10197 for FUNCTION_DECLs in the values list, which cannot happen. Replace
10198 the DECL_INITIAL of each enumeration constant with a copy converted
10199 to the enumeration type. When updating variant types, don't bother
10200 updating the type itself.
10202 * c-typeck.c (build_binary_op): Simplify conditional expressions
10203 when weeding out spurious signed-unsigned warnings. Add new
10204 spurious warning category: if the unsigned quantity is an enum
10205 and its maximum value fits in signed_type(result_type). Update
10207 (build_conditional_expr): Warn here if one alternative is signed
10208 and the other is unsigned.
10210 2000-01-05 Nick Clifton <nickc@cygnus.com>
10212 * config/fr30/fr30.h: Remove extraneous comments.
10214 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
10216 * reload1.c (choose_reload_regs): When disabling a reload, also
10217 set reload_spill_index to -1.
10219 2000-01-04 Joel Sherrill (joel@OARcorp.com>
10221 * configure.in (m68*-*-rtemscoff*): New target, formal name for
10223 (m68*-*-rtemself*): New target.
10224 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
10225 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
10226 (sparc*-*-rtemself*): New target.
10227 (sparc*-*-rtems*): Now elf not a.out.
10228 * config/i386/rtems.h: Include config/rtems.h.
10229 * config/i386/rtemself.h: Include config/rtems.h.
10230 * config/i960/rtems.h: Include config/rtems.h.
10231 * config/m68k/rtems.h: Include config/rtems.h.
10232 * config/m68k/rtemself.h: Include config/rtems.h.
10233 * config/mips/rtems64.h: Include config/rtems.h.
10234 * config/pa/rtems.h: Include config/rtems.h.
10235 * config/rs6000/rtems.h: Include config/rtems.h.
10236 * config/sh/rtems.h: Include config/rtems.h.
10237 * config/sh/rtemself.h: Include config/rtems.h.
10238 * config/sparc/rtems.h: Include config/rtems.h.
10239 * config/sparc/rtemself.h: Include config/rtems.h
10241 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
10243 * final.c (shorten_branches): Correctly compute length of
10244 asms without operands.
10246 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
10248 * configure.in: Add pj target.
10249 * configure: Regenerate.
10250 * config/pj: New directory.
10251 * config/pj/lib1funcs.S: New file.
10252 * config/pj/linux.h: New file.
10253 * config/pj/pj.c: New file.
10254 * config/pj/pj.md: New file.
10255 * config/pj/pjl.h: New file.
10256 * config/pj/t-pj: New file.
10257 * config/pj/xm-pj.h: New file
10259 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
10261 * toplev.c (rest_of_compilation): Run shorten-branches before
10264 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10266 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
10267 macros so that they're consistent with their names.
10268 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
10269 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
10271 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10273 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
10274 modified inadvertently.
10276 2000-01-04 Joel Sherrill <joel@OARcorp.com>
10278 * configure.in (v850*-*-rtems*): New target.
10279 * configure: Regenerate.
10280 * config/v850/rtems.h: New file.
10282 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
10284 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
10285 (__gthread_key_create): Likewise.
10286 (__gthread_key_dtor): Likewise.
10287 (__gthread_once): Fix logic.
10288 (__gthread_key_delete): Cast away constness.
10290 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
10291 * invoke.texi: Document.
10292 * i386/mingw32.h (CPP_SPEC): Use.
10293 (LIBGCC_SPEC): Likewise.
10294 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
10296 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10298 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
10299 (HANDLE_PRAGMA_PACK): Undefine.
10300 (SLOW_UNALIGNED_ACCESS): Define.
10302 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10304 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
10305 to default definition.
10306 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
10307 (store_fixed_bit_field): Call macro with word_mode and alignment.
10308 (extract_bit_field): Call macro with relevant mode and alignment.
10309 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
10310 to default definition.
10311 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
10313 (move_by_pieces_ninsns): Likewise.
10314 (clear_by_pieces): Likewise.
10315 (emit_push_insn): Likewise.
10316 (store_field): Call macro with relevant mode and alignment.
10317 (expand_expr): Likewise.
10318 (expand_expr_unaligned): Likewise.
10320 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10321 (SLOW_UNALIGNED_ACCESS): Define.
10322 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10323 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10324 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10325 (toc_section): Likewise and .toc pseudo-op.
10326 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10328 (TEXT_SECTION_ASM_OP): Likewise.
10329 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10332 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
10333 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
10334 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
10335 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
10336 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
10338 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
10340 * regclass.c: Revert my Jan 4 change to loop cost computation.
10342 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10344 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
10347 2000-01-04 Stan Cox <scox@cygnus.com>
10349 * haifa-sched.c (build_control_flow): Change unreachable simple
10350 loop test to check if current block has only one predecessor.
10351 (find_rgns): Initialize degree. Use dest as degree index, not src.
10353 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10355 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
10357 * calls.c (expand_call): Likewise for
10358 `old_stack_arg_under_construction'.
10360 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
10362 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
10365 * gcc.c (execute): Likewise for `ut' and `st'.
10367 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
10369 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
10371 * jump.c (jump_optimize_1): Likewise for `temp2'.
10373 * local-alloc.c (block_alloc): Likewise for `r1'.
10375 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
10377 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
10378 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
10380 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
10383 * reload.c (find_reloads): Likewise for `goal_alternative_number'
10384 and `goal_earlyclobber'.
10386 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
10388 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
10390 * stupid.c (stupid_life_analysis): Likewise for `chain'.
10392 * unroll.c (copy_loop_body): Likewise for `copy'.
10394 * varasm.c (output_constructor): Likewise for `byte'.
10396 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10398 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
10399 all FP constants for constant->reg moves.
10400 (ix86_split_to_parts): Try to convert memory address into immediate
10401 when available in the constant pool.
10402 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
10404 (LEGITIMATE_CONSTANT_P): Return 1.
10405 * i386.md (pushsf): New splitter to convert constant pool memory
10406 reference to immediate.
10407 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
10410 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
10412 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
10413 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
10414 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
10415 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
10416 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
10418 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
10420 * ginclude/stdbool.h: Support compilation as C++.
10422 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10424 * fold-const.c (make_range): Don't try to reverse an unbounded range.
10426 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
10428 * regclass.c (regclass): Properly compute loop_cost. Adjust
10431 * regclass.c: Fix minor whitespace problems.
10433 2000-01-03 Anthony Green <green@cygnus.com>
10435 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
10436 Restore the pic register if required.
10438 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
10440 * c-common.c (format_char_info): Update comment.
10441 (check_format_info): Recognize 'z' modifier in the same way 'Z'
10442 was recognized. Emit warning for formats new in ISO C99 only
10443 if flag_isoc9x is not set.
10445 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
10447 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
10449 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10451 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
10452 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
10453 (make_compound_operation): Choose cheaper alternative between
10454 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
10456 * regclass.c (op_costs): Remove global variable.
10457 (record_reg_classes): New parameter "op_costs" and "reg_pref".
10458 (record_operand_costs): Break out from ...
10459 (scan_one_insn): ... here.
10460 (dump_regclass): Make dumps nicer.
10461 (regclass): Dump preferrences choosed and changes done during passes.
10463 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10465 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
10467 2000-01-03 Jakub Jelinek <jakub@redhat.com>
10469 * config/sparc/sparc.c (gen_df_reg): New function.
10470 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
10471 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
10472 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
10473 movtf_cc_reg_sp64+1): Use it.
10475 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10477 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
10478 copied LABEL_DECLs.
10480 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
10482 * config/i386/i386.c (ix86_expand_unary_operator): Function
10483 definition made void.
10484 (ix86_expand_binary_operator): Update outdated preceding comment.
10485 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
10488 * config/i386/i386.c (override_options): Fix option-name typo.
10490 2000-01-02 Mark Mitchell <mark@codesourcery.com>
10492 * system.h (CEIL): Define.
10493 * builtins.c (CEIL): Remove.
10494 * expmed.c (CEIL): Likewise.
10495 * expr.c (CEIL): Likewise.
10496 * stor-layout.c (CEIL): Likewise.
10498 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10500 * expr.c (store_constructor_field): Fix typo introduced with last
10503 2000-01-01 Mark Mitchell <mark@codesourcery.com>
10505 * tree.h (BINFO_N_BASETYPES): New macro.
10507 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
10509 * expmed.c (emit_store_flag): Prevent losing a pending stack
10510 adjust the same way we prevent losing queued increments.
10512 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10514 * function.c (update_temp_slot_address): Handle case where sum of
10515 temporary address plus offset in register is a valid address.
10517 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10519 * genrecog.c (change_state) Corrected typo.
10521 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10523 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
10524 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
10525 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
10527 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
10529 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
10530 case, expand GT comparisons correctly. Fix a comment before this
10533 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10535 * dwarfout.c: Include "frame.h"
10536 * dwarf2out.c: Likewise.
10537 * Makefile.in (dwarfout.o): Depend on frame.h
10538 (dwarf2out.o): Likewise.
10540 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
10542 Restore i386 binary compatibility in Dwarf EH info.
10543 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
10544 value of FIRST_PSEUDO_REGISTER.
10545 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
10546 (struct frame_state): Use DWARF_FRAME_REGISTERS.
10547 * dwarfout.c (output_reg_number): Ditto.
10548 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
10549 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
10551 1999-12-29 Bruce Korb <autogen@linuxbox.com>
10553 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
10554 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
10555 (<hack>_RE_CT): not needed
10556 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
10557 rewritten to scan the file text once only
10558 "template<..." test added
10559 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
10560 (is_cxx_header): declaration added
10561 * fixinc/fixtests.c(is_cxx_header): removed
10562 (apply_fix_p_t): removed
10563 (double_slash_test): is_cxx_header is only called once now
10564 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
10565 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
10566 within the templates.
10567 The borken spelling of "broken" was fixed.
10568 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
10569 The default level depends on FIXINC_DEBUG.
10571 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10573 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
10574 Otherwise provide a declaration for atexit.
10575 (init_dummy): Make sure dummy call to atexit is nevertheless
10576 called with correct number of args.
10578 * frame.c: Update comments referring to other files.
10580 * libgcc2.c: Likewise.
10582 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10584 * cse.c (free_element, get_element): Remove unused prototypes.
10586 * fold-const.c (extract_muldiv): Initialize variables `op0' and
10589 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
10592 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
10594 * configure.in,configure: case arm for mn10200-*-* now sets
10595 float_format=i32 so that float.h will correctly claim "double"
10596 to be 32 bits. Ran autoconf to generate configure from .in file.
10598 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
10600 * pa.md (conditional zero): If op1 is a register, force it into
10601 the same register as op0.
10603 1999-12-28 Mark Mitchell <mark@codesourcery.com>
10605 * tree.h (BINFO_BASETYPES): Improve documentation.
10607 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10609 * configure.in (--enable-checking): Use a more portable `for'
10612 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10614 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
10615 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
10617 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
10620 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
10621 Delete descriptions.
10623 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
10624 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
10625 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
10626 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
10627 xm-svr4.h: Remove all instances of sys_siglist handling.
10629 1999-12-27 Jakub Jelinek <jakub@redhat.com>
10631 * config/sparc/sparc.md (cmp_zero_qi,
10632 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
10633 cmp_zero_extendqidi2_andcc_set): New patterns.
10635 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
10637 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10638 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
10639 (fpgnulib.c, xfgnulib.c): Add rules.
10640 * m68k/t-mot3300-gas: Likewise.
10642 1999-12-27 Ian Lance Taylor <ian@zembu.com>
10644 * configure.in: Avoid [[ by using test and changequote. Add
10645 changequote required by 1999-12-14 change.
10646 * configure: Rebuild.
10648 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
10650 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
10652 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
10654 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
10655 * flow.c (find_use_as_address): Likewise.
10656 * function.c (fixup_var_refs_1): Likewise.
10657 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
10658 * jump.c (invert_exp, redirect_exp): Likewise.
10659 * loop.c (replace_call_address): Likewise.
10660 (count_nonfixed_reads): Likewise.
10661 * rtlanal.c (modified_between_p): Likewise.
10662 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
10663 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
10664 * unroll.c (remap_split_bivs): Likewise.
10666 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10668 * diagnostic.c (v_message_with_decl): Use .* format specifier
10669 instead of building the format specifier width manually.
10671 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
10672 determining whether to provide a prototype. Remove the
10673 sys_siglist clause in the conditional.
10675 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10677 * fold-const.c (operand_equal_p): Use memcmp to compare string
10679 Suggested by D. J. Bernstein
10681 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10683 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
10684 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10686 * config/mips/mips.h (TARGET_64BIT): Likewise.
10687 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
10688 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
10689 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
10690 dsps. Give routines proper names if SI/DI modes are not used.
10691 * longlong.h: Use DWunion instead of DIunion.
10693 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
10695 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
10696 GC_CHECKING, GC_ALWAYS_COLLECT.
10697 * configure.in: Allow --enable-checking with an argument
10698 listing check modes to enable.
10699 * config.in, configure: Rebuilt.
10700 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
10701 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
10702 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
10703 ENABLE_GC_ALWAYS_COLLECT.
10704 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
10706 * tree.h, tree.c: Change ENABLE_CHECKING to
10707 ENABLE_TREE_CHECKING throughout.
10709 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10711 * fold-const.c (fold_truthop): Properly check for FP RHS.
10713 1999-12-24 Mark Mitchell <mark@codesourcery.com>
10715 * toplev.h (note_deferall_of_defined_inline_function): Declare.
10716 * toplev.c (note_deferral_of_defined_inline_function): New
10717 function, split out from ...
10718 (rest_of_compilation): ... here. Use it.
10720 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10722 * expr.c (store_constructor): Don't call clear_storage if size is
10725 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10727 * Makefile.in (toplev.o): Depend on loop.h.
10729 * dwarfout.c: Include tm_p.h.
10731 * emit-rtl.c (restore_emit_status): Mark parameter with
10734 * final.c (final_scan_insn): Likewise.
10736 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
10737 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
10738 flow_depth_first_order_compute, flow_loop_pre_header_find,
10739 flow_loop_tree_node_add, flow_loops_tree_build,
10740 flow_loop_level_compute, flow_loops_level_compute,
10741 flow_loop_outside_edge_p): Add prototypes.
10742 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
10744 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
10745 Mark with ATTRIBUTE_NORETURN.
10747 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
10749 * local-alloc.c (no_conflict_p): Likewise.
10751 * loop.c (insert_bct): Hide definitions of variables with hidden
10753 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
10755 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
10756 with ATTRIBUTE_UNUSED.
10757 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
10758 (reg_scan): Likewise.
10760 * reload.c (find_reloads): Remove unused variables `changed'.
10762 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
10764 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
10765 Remove unused variable `insn'.
10767 * toplev.c: Include loop.h.
10768 (report_file_and_line): Remove unnecessary prototype.
10770 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
10772 * unroll.c (biv_total_increment): Likewise.
10774 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10776 * reload1.c (emit_input_reload_insns): Restore old behaviour
10777 wrt. 'special' reloads.
10779 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
10781 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
10782 hash.h. (cse.c): Don't depend on hashtab.h.
10784 * cse.c: Don't include hashtab.h.
10785 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
10787 * ggc-simple.c: Don't include hash.h.
10789 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
10791 * dwarf2out.c (add_abstract_origin_attribute): Call
10792 gen_abstract_function on our function context.
10794 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
10796 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
10798 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10800 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
10803 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10805 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
10806 constraints to "a!r".
10808 1999-12-21 Mark Mitchell <mark@codesourcery.com>
10810 * Makefile.in (calls.o): Depend on function.h.
10811 (alias.o): Likewise.
10813 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
10815 * reload1.c (emit_reload_insns): Break out code and variables into...
10816 (input_reload_insns, other_input_address_reload_insns,
10817 other_input_reload_insns, input_address_reload_insns,
10818 inpaddr_address_reload_insns, output_reload_insns,
10819 output_address_reload_insns, outaddr_address_reload_insns,
10820 operand_reload_insns, other_operand_reload_insns,
10821 other_output_reload_insns): ... new static variables, and...
10822 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
10823 do_output_reload): ... new functions.
10825 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10827 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
10829 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10831 * md.texi: Add c4x constraints documentation.
10833 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10835 * config/i386/dgux.c (struct option): Rename to
10836 lang_independent_option.
10837 (struct m_options): Add description field.
10838 (output_options): Rename option type, add sep declaration, output
10839 ix86_cpu_string and ix86_arch_string only if set.
10840 (output_file_start): Rename option type.
10842 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
10844 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
10846 (libgcc2.a): Similarly.
10848 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
10850 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
10851 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
10852 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
10854 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
10856 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
10857 Remove redundant initialization of "frexpon" and "expon".
10859 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10861 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
10863 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
10864 (store_constructor_field, expand_expr): Pass new arg.
10866 1999-12-20 Mark Mitchell <mark@codesourcery.com>
10868 * Makefile.in (explow.o): Depend on function.h.
10870 * stor-layout.c (set_sizetype): Fix typo.
10872 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
10874 * function.c (cfun): Renamed from current_function. All users
10876 * function.h (cfun): Rename declaration as well.
10878 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
10879 to be of type regset_head, not regset. All users changed by adding
10881 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
10883 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10885 * config/c4x/rtems.h: New file.
10887 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
10889 * reload1.c (spill_failure): Take class of failed reload as argument
10890 and print it. Caller changed.
10892 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10894 * rs6000.h (SUBTARGET_DEFAULT): New macro.
10895 (TARGET_SWITCHES): Allow subtargets to default switches.
10896 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
10898 1999-12-18 Mark Mitchell <mark@codesourcery.com>
10900 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
10903 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
10905 * cccp.c (main): Define __STDC_VERSION__ as necessary.
10906 * cppinit.c (cpp_handle_option): Likewise.
10908 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
10909 determine when to define.
10911 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
10913 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
10914 cmove with mismatched test and data modes.
10916 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
10918 * c-typeck.c (c_expand_start_case): Don't warn for long switch
10921 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10923 * alias.c: Minor reformatting.
10924 * flow.c: Likewise.
10925 * regs.h: Likewise.
10926 * stor-layout.c: Likewise.
10927 * fold-const.c: Likewise.
10928 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
10929 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
10931 (size_int_wide): Cache nodes even if garbage collecting.
10932 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
10933 of SAVE_EXPR has no side effects.
10934 * cse.c: Move a comment.
10935 * tree.c: Minor reformatting.
10936 (int_size_in_bytes): Return -1 if constant overflows.
10938 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10940 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
10942 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
10944 * objc/objc-parse.c: Regenerate. This file must be rebuilt
10945 after any change to c-parse.in, even if objc-parse.y didn't
10948 1999-12-18 David S. Miller <davem@redhat.com>
10950 * toplev.c (rest_of_compilation): Restore BLOCK tree
10951 reconstruction and branch shortening changes lost in
10952 December 18th change.
10954 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
10956 * config/arm/linux-elf.h: Change all instances of
10957 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
10958 * config/arm/uclinux-elf.h: Likewise.
10960 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
10962 * toplev.c (notice, vmessage, v_message_with_file_and_line,
10963 v_message_with_decl, file_and_line_for_asm,
10964 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
10965 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
10966 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
10967 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
10968 pfatal_with_name, fatal_io_error, need_error_newline,
10969 last_error_function, last_error_tick, announce_function,
10970 default_print_error_function, print_error_function,
10971 report_error_function, fnotice, error_with_file_and_line,
10972 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
10973 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
10974 warning_with_decl, warning_for_asm, warning, pedwarn,
10975 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
10977 (compile_file): Use fnotice instead of notice. Adjust call.
10979 * diagnostic.c: New file.
10981 * Makefile.in (OBJS): Include diagnostic.o
10982 (diagnostic.o): Define dependence.
10984 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10986 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
10989 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10991 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
10993 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10995 * fixtests.c (is_cxx_header): New fn, split out of
10997 (else_endif_label): Allow "#endif // comment" in C++ headers,
10998 as determined by is_cxx_header.
10999 * fixfixes.c (else_endif_label_fix): Update comment.
11000 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
11002 * genfixes: Correct double thinko in commandline parsing.
11003 * hackshell.tpl: Generate correct sh syntax for bypass
11006 * inclhack.def (all): Whenever an inserted preprocessor
11007 conditional is split over multiple lines, use double
11008 backslashes in this file so the fixed header will be readable.
11010 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
11011 and add bypass entry for correct version of this header.
11012 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
11013 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
11015 (hpux8_bogus_inlines): New fix, split from...
11016 (ultrix_atof_param) ... here.
11017 (math_expression): Add bypass entry keyed to glibc comment
11018 indicating the problem has been dealt with; disable
11019 unnecessary sed operations; update commentary.
11020 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
11021 add select and bypass entries, simplify shell operation.
11022 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
11024 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
11025 ultrix_atof_param): Add select entry.
11026 (stdio_va_list, sunos_mather_decl): Add bypass entry.
11027 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
11028 comments with the fixes they describe.
11030 * c-parse.in (string action): Do not warn about ANSI string
11031 concatenation in system headers. Affects C parser only.
11032 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
11034 1999-12-16 Jakub Jelinek <jakub@redhat.com>
11036 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
11037 compiling libgcc2 the macro depends always on arch cpp defines.
11039 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
11041 * loop.c (insert_loop_mem): Don't record MEMs from inside
11044 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
11046 * regclass.c (regclass): Do not use flowgraph when not optimizing.
11048 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
11049 notes too, create one when replacement failed, attempt to simplify
11051 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
11052 or REG_EQUIV notes.
11054 1999-12-16 Mark Mitchell <mark@codesourcery.com>
11056 * crtstuff.c (__dso_handle): Declare.
11057 (__cxa_finalize): Likewise.
11058 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
11061 * invoke.texi: Document -fuse-cxa-atexit.
11063 * tree.h (ptr_type_node): Document.
11064 (const_ptr_type_node): Likewise.
11066 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11068 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
11069 (optimize_reg_copy_2): Likewise.
11070 (optimize_reg_copy_3): Likewise.
11071 (fixup_match_2): Likewise.
11072 (regmove_optimize): Likewise.
11073 (fixup_match_1): Liekwise.
11075 * i386.md (HI to SImode promoting splitters): Rewrite.
11076 (pushsf mem peep2): New.
11077 (testhi to andhi peep2): Remove.
11078 * i386.h (x86_promote_QImode): New.
11079 (TARGET_PROMOTE_QImode): New.
11080 (PREDICATE_CODES): Add promotable_binary_operator.
11081 * i386.c (x86_promote_QImode0: New.
11082 (promotable_binary_operator): New.
11083 * i386-protos.h (promotable_binary_operator): New.
11085 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
11087 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
11089 1999-12-16 Mark Mitchell <mark@codesourcery.com>
11091 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
11092 * function.c (insert_block_after_note): Remove.
11093 (retrofit_block): Likewise.
11094 (identify_blocks): Fix indentation.
11095 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
11096 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
11097 * function.h (insert_block_after_note): Remove prototype.
11098 (retrofit_block): Likewise.
11099 * integrate.c (expand_inline_function): Don't call
11100 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
11101 just expand_start_bindings. Use the block_map to remap old
11102 NOTE_BLOCKs to new ones.
11103 (integrate_decl_tree): Keep track of remapped blocks.
11104 * integrate.h (struct inline_remap): Add block_map.
11105 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
11106 NOTE_BLOCK on the notes.
11107 (expand_start_bindings): Rename to ...
11108 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
11109 (expand_end_bindings): Set NOTE_BLOCK.
11110 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
11111 reconstruct the BLOCK tree.
11112 * tree.h (expand_start_bindings): Macroize. Call ...
11113 (expand_start_bindings_and_block): New function.
11115 1999-12-16 Jakub Jelinek <jakub@redhat.com>
11117 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
11118 to match the format.
11120 1999-12-16 David S. Miller <davem@redhat.com>
11122 * expr.c (emit_move_insn_1): Only emit clobbers if one of
11123 the outputs is a SUBREG.
11124 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
11127 * config/sparc/sparc.c (epilogue_renumber): Add default case
11130 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11132 * toplev.c (rest_of_compilation): Run branch shortening after
11135 * regclass.c (loop_depth): Remove
11136 (scan_one_insn): Do not handle LOOP_NOTE insns.
11137 (regclass): Go through basic blocks and set loop_cost
11139 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
11141 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
11143 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11145 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
11146 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
11147 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
11149 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
11151 * loop.c (insert_loop_mem): Ignore memory clobbers.
11153 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
11156 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
11158 * profile.c: Remove redundant #include "output.h".
11160 * h8300.md (HImode preinc peephole): Fix typo.
11162 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11164 * function.c (retrofit_block): Abort if we don't find a suitable insn.
11165 (insert_block_after_note): Abort if we don't have a previous block.
11166 Remove FN parameter.
11167 * function.h: Adjust.
11169 1999-12-15 Mark Mitchell <mark@codesourcery.com>
11171 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
11172 argument more than once.
11174 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11176 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
11178 1999-12-15 Jakub Jelinek <jakub@redhat.com>
11180 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
11182 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11184 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
11185 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
11186 update stack_alignment_needed.
11187 (prepare_function_start): Initialize stack_alignment_needed
11188 * function.h (struct function): Add field stack_alignment_needed.
11190 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11192 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
11193 Handle live_throughout / dead_or_set instead of live_before /
11195 (save_call_clobbered_regs): Get register livenessinformation from
11196 chain->live_throughout.
11197 (add_stored_regs): New function.
11198 (insert_restore, insert_save): Add restored / saved registers to
11200 * global.c (reg_dies): New parameter chain.
11201 (reg_becomes_live): Third parameter is regs_set now.
11202 Changed all callers.
11203 (reg_dies): New parameter chain. Changed all callers.
11204 (build_insn_chain): Set live_throughout instead of
11205 live_before / live_after.
11206 * reload.h (struct insn_chain): Replace members live_before /
11207 live_after with live_throughout / dead_or_set.
11208 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
11209 instead of live_before / live_after.
11210 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
11211 (order_regs_for_reload, find_reg, finish_spills): Likewise.
11212 (choose_reload_regs_init): Likewise.
11213 * stupid.c (current_chain, find_clobbered_regs): Delete.
11214 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
11215 instead of chain->live_before / chain->live_after.
11216 (mark_hard_ref): New function.
11217 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
11219 1999-12-15 David S. Miller <davem@redhat.com>
11221 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
11223 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11225 * flow.c (calculate_loop_depth): Make global, remove prototype,
11226 rewrite to use new loop infrastructure.
11227 (find_basic_block): Remove calculate_loop_depth call.
11228 * toplev.c (rest_of_compilation): Call find_basic_block.
11229 * output.h (calculate_loop_depth): Declare.
11231 * flow.c (dump_flow_info): Dump loop_depth.
11232 (flow_loops_nodes_find): Increase loop_depth for basic block in the
11234 (flow_loops_find): Initialize the loop_depth for each basic block.
11236 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11238 * tree.c (decl_function_context): Handle virtual functions.
11240 * tlink.c (scan_linker_output): Don't look in demangled name when
11241 looking for linker output keywords.
11243 * dwarfout.c (output_type): We can defer namespace-scope classes.
11245 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
11247 * regclass.c (record_reg_classes): Update comment for merging
11248 register class preferences in reg->reg copies. Tighten conditions
11249 for merging register class preferences in reg->reg copies.
11251 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
11253 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
11255 1999-12-14 Geoff Keating <geoffk@cygnus.com>
11257 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
11258 (INIT_SECTION_ASM_OP): Delete.
11259 (FINI_SECTION_ASM_OP): Delete.
11260 (STARTFILE_SPEC): Define to hold just crtbegin.o.
11262 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
11264 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
11265 the abstract origin wasn't emitted.
11267 * dwarf2out.c (class_scope_p): New fn.
11268 (gen_subprogram_die): Use it.
11269 (gen_variable_die): Use it. Tweak logic.
11270 (gen_struct_or_union_type_die): Check context_die to determine
11271 if we're function-local.
11272 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
11274 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11276 * loop.c (check_dbra_loop): Can't reverse a biv that has
11277 maybe_multiple set.
11279 1999-12-14 Nick Clifton <nickc@cygnus.com>
11281 * config/arm/arm.c: Add support for -mcpu=arm720 command line
11284 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11286 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
11287 for givs made from biv increments.
11289 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
11291 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
11292 * alpha.c (override_options): Recognize -mcpu=ev67.
11293 * alpha.h (CPP_CPU_EV67_SPEC): New.
11294 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
11295 (EXTRA_SPECS): Update.
11297 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
11299 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
11300 appropriate for -lang-c89 and -std=*.
11301 * cppinit.c (cpp_handle_option): Likewise.
11302 (new_pending_define): New, split out from cpp_handle_option.
11303 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
11304 or enable trigraphs for -ansi/-std=*.
11306 * ginclude/stdarg.h (__va_copy): New.
11307 (va_copy): Don't define for C89.
11309 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
11311 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
11312 for long long multiply-accumulate.
11314 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11316 * regclass.c (scan_one_insn): Set loop_cost to 1 when
11317 optimizing for size.
11319 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11321 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
11322 if something changed. Back out that part of yesterday's changes.
11324 * loop.c (loop_max_reg): New static variable.
11325 (loop_optimize): Initialize it. Eliminate one unnecessary call to
11327 (scan_loop): Call reg_scan_update whenever we may have added new
11328 registers, and update loop_max_reg.
11330 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11332 * regclass.c (record_reg_classes): Do not do the copying preferrencing
11333 when source does not die.
11335 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
11337 1999-12-14 Jakub Jelinek <jakub@redhat.com>
11339 * config/sparc/linux64.h (TARGET_LIVE_G0,
11340 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
11342 * config/sparc/linux.h (TARGET_LIVE_G0,
11343 TARGET_BROKEN_SAVERESTORE): Likewise.
11344 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
11345 TARGET_BROKEN_SAVERESTORE): Likewise.
11347 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
11348 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
11350 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
11351 as sparc64 block profiling register.
11352 * config/sparc/sparc.c (sparc_override_options): Allow block
11353 profiling with -m32.
11354 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
11355 profiling register.
11356 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
11357 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
11358 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
11360 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
11362 * config/sparc/sparc.h: Likewise.
11363 * config/sparc/xm-sysv4-64.h: Likewise.
11364 * config/float-sparc.h: Likewise.
11365 * glimits.h: Likewise.
11366 * longlong.h: Likewise.
11368 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
11369 (ASM_IDENTIFY_GCC): Remove.
11371 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
11373 * combine.c (combine_simplify_rtx): Don't make shared rtl.
11374 (simplify_logical): Likewise.
11376 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
11378 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
11379 * cppfiles.c (INO_T_EQ): Likewise.
11381 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
11383 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
11384 * i386/mingw32.h (LIB_SPEC): Likewise.
11385 (STARTFILE_SPEC): Likewise.
11386 * i386/uwin.h (LIB_SPEC): Likewise.
11387 (STARTFILE_SPEC): Likewise.
11389 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
11390 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
11392 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
11394 * combine.c (combine_simplify_rtx): Fix order of checks for
11395 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
11397 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
11399 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
11400 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
11402 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11404 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
11406 * regclass.c (inv_reg_alloc_order): New array.
11407 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
11409 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
11410 counted_for_groups, counted_for_nongroups. Add fields rld and
11412 * reload.c (push_secondary_reload): Don't set nongroup field of
11414 (push_reload): Likewise.
11415 (find_reloads): Delete code to compute nongroup fields.
11416 * reload1.c (reload_insn_firstobj): New static variable.
11417 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
11419 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
11420 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
11421 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
11423 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
11425 (struct hard_reg_n_uses): Deleted.
11426 (potential_reload_regs): Deleted.
11427 (init_reload): Initialize spilled_pseudos and pseudos_counted.
11428 (reload): Don't try to allocate reload registers if we already know
11429 we have to make another pass. Call select_reload_regs. Free memory
11430 starting with reload_firstobj when starting another pass.
11431 Don't allocate spilled_pseudos.
11432 (calculate_needs_all_insns): Call copy_reloads for an insn that
11433 needs reloads; don't call calculate_needs.
11434 (spill_cost): New static array.
11435 (used_spill_regs_local): New static variable.
11436 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
11437 to compute potential_reload_regs.
11438 (find_reload_regs): Completely rewritten to use find_reg.
11439 (allocate_reload_reg): Don't test counted_for_groups or
11440 counted_for_nongroups. Lose NOERROR arg and code to give an error;
11441 all cllers changed.
11442 (choose_reload_regs): Add fallback code that uses the existing
11443 register allocation from find_reload_regs.
11445 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
11447 * flow.c (create_edge_list): Cast xmalloc return value.
11449 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
11451 * doprnt.c: Remove incorrect comment closure.
11453 * cse.c: Fix a few minor whitespace goofs.
11455 1999-12-13 Don Bowman <don@pixstream.com>
11457 * mips/vxworks.h: Fix problem with comment termination.
11458 (EXTRA_SECTIONS): Add in_sbss.
11459 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
11461 1999-12-12 David S. Miller <davem@redhat.com>
11463 * cse.c (struct cse_reg_info): Add hash_next member,
11464 reorder rest of struct for better packing on 64-bit
11466 (cse_reg_info_tree): Kill.
11467 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
11468 REGHASH_FN): New custom pow2 hash mechanism.
11470 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
11471 use a pow2 hash table.
11472 (get_cse_reg_info): Rework to use new REGHASH.
11473 (new_basic_block): Likewise, use HASH_SIZE, and inline
11475 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
11476 and inline free_element call.
11477 (lookup_as_function, insert, flush_hash_table, invalidate,
11478 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
11479 invalidate_for_call, use_related_value, find_comparison_args,
11480 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
11481 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
11482 get_element): Kill.
11484 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
11486 * cse.c (cse_basic_block): Free qty_table consistently.
11488 1999-12-12 David S. Miller <davem@redhat.com>
11489 Jakub Jelinek <jakub@redhat.com>
11491 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
11492 SUBREGs by hand, gen the appropriate hard reg directly.
11493 (movtf reg/mem split): Likewise and alter_subreg on destination
11495 (movtf mem/reg split): Similarly.
11496 (movdf_cc_sp64): Rename from hidden pattern.
11497 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
11498 (movtf_cc_sp64, following split): New pattern and splitter.
11499 (movdf_cc_reg_sp64): Rename from hidden pattern.
11500 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
11502 (movtf_cc_reg_sp64, following split): New pattern and splitter.
11504 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
11506 * loop.c (load_mems): Don't hoist written floating point mem
11509 1999-12-12 Mark Mitchell <mark@codesourcery.com>
11511 * except.h (struct eh_queue): Add `next' pointer.
11512 (struct eh_status): Make x_ehqueue a pointer.
11513 (push_ehqueue): Declare.
11514 (pop_ehqueue): Likewise.
11515 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
11517 (expand_fixup_region_end): Likewise.
11518 (expand_leftover_cleanups): Likewise.
11519 (push_ehqueue): Define.
11520 (pop_ehqueue): Likewise.
11521 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
11522 than doing it inline.
11523 (expand_start_all_catch): Adjust now that ehqueue is a
11525 (mark_eh_queue): Mark all level of the queue.
11526 (mark_eh_status): Adjust now that ehqueue is a
11528 (init_eh_for_function): Allocate ehqueue.
11529 (free_eh_status): Free it.
11530 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
11531 expansion for a fixup.
11533 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11535 * gthr-single.h (__gthread_active_p): Add prototype arguments.
11537 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
11538 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
11539 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
11540 function_ptr, getpagesize, __enable_execute_stack,
11541 __enable_execute_stack, __clear_insn_cache,
11542 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
11543 _cleanup, _exit, __default_terminate, __terminate_func,
11544 __terminate, __empty, __throw, new_eh_context,
11545 eh_context_initialize, eh_context_static, eh_context_specific,
11546 get_eh_context, __get_eh_context, __get_eh_info,
11547 init_reg_size_table, eh_threads_initialize,
11548 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
11549 __unwinding_cleanup, throw_helper, __throw, __rethrow,
11550 __pure_virtual): Add prototype arguments.
11551 (__bb_exit_func): Cast a sizeof to long when comparing against one.
11552 Cast a signed value to unsigned long when comparing against one.
11553 (new_eh_context): Wrap in _GTHREADS macro.
11554 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
11556 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
11557 (throw_helper): Initialize variables `handler_p' and `pc_p'.
11559 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11561 * combine.c (record_promoted_value): Remove unused variable
11564 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
11566 * global.c (record_conflicts): Likewise for `j'.
11568 * genoutput.c (output_insn_data): Don't unnecessarily cast away
11571 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11573 * i386-protos.h (output_387_binary_op, output_fix_trunc,
11574 output_fp_compare): Constify a char*.
11576 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
11578 (override_options, ix86_comp_type_attributes, print_operand,
11579 output_387_binary_op, output_fix_trunc, output_fp_compare):
11581 (ix86_sched_reorder): Mark parameter `clock_var' with
11584 * i386.h (DEBUG_PRINT_REG): Constify a char*.
11586 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
11588 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
11589 operand, for use in the Java front-end.
11591 1999-12-10 Ben Collins <bcollins@debian.org>
11593 * configure.in: Fix typo for "-64" in 64bit as check.
11594 * configure: Rebuilt.
11596 1999-12-10 Jakub Jelinek <jakub@redhat.com>
11598 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
11601 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11603 * c-parse.in (string): With -Wtraditional, warn if ANSI string
11604 concatenation is utilized.
11606 * invoke.texi (-Wtraditional): Document it.
11608 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11610 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
11611 Cast a ptrdiff_t to long and pass it to printf with %ld.
11613 1999-12-10 Geoff Keating <geoffk@cygnus.com>
11615 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
11616 68881, we have no 68881 registers at all.
11617 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
11618 value in a 68881 register if it is available.
11620 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
11622 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
11623 for long long multiply-accumulate.
11625 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
11627 * loop.c (insert_loop_mem): Undo last change.
11629 1999-12-10 David S. Miller <davem@redhat.com>
11631 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
11633 * config/sparc/sparc-protos.h: Add them.
11634 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
11635 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
11636 constraints which use those helpers.
11637 (EXTRA_CONSTRAINT): Use this new macro.
11638 * md.texi: Update sparc target constraints documentation.
11639 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
11640 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
11641 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
11642 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
11643 (movsf high/lo_sum split): Rework for new patterns.
11644 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
11646 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11648 * c-common.c (c_common_nodes_and_builtins):
11649 Create __builtin_ptrdiff_t and __builtin_size_t.
11651 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
11653 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
11655 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11657 * regclass.c (globalize_reg): Re-instate test that allows
11658 fixed registers to be declared as a variable even after functions
11661 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11663 * i386.md (cpu attribute): Add "athlon".
11664 (athlon_decode): New attribute.
11665 (Athlon scheduling units definitions): New.
11666 (fcmp and shld patterns): Set athlon_decode to "vector".
11667 * i386.c (athlon_cost): New.
11669 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
11670 x86_use_sahf): Set for Athlon.
11671 (x86_use_fiop): Unset for Athlon.
11672 (override_options): Define Athlon alignments and "athlon" name.
11673 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
11674 * i386.h (TARGET_ATHLON): New.
11675 (enum processor_type): Add PROCESSOR_ATHLON.
11676 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
11678 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
11680 1999-12-09 Andreas Jaeger <aj@suse.de>
11682 * loop.c (record_biv): Declare parameter as int.
11684 * config/i386/i386-protos.h: Declare long_memory_operand.
11686 1999-12-09 Mark Mitchell <mark@codesourcery.com>
11688 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
11689 EXPR_WITH_FILE_LOCATION.
11691 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11693 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
11696 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
11698 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
11701 1999-12-09 Jakub Jelinek <jakub@redhat.com>
11703 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
11704 default on linux64 again.
11705 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
11706 models for multilibing.
11707 * genmultilib: Accept | as alternative separator within a set in
11710 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
11712 * calls.c (precompute_arguments): Make sure initial_value contains
11713 value pseudo which CSE expects.
11714 * cse.c (struct set): New entry orig_src.
11715 (cse_insn): Set it early on entry, use it for libcall EQUIV note
11718 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
11720 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
11722 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
11724 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
11726 1999-12-08 Jakub Jelinek <jakub@redhat.com>
11728 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
11729 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
11731 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
11734 * longlong.h: Merge in changes from glibc.
11735 Also don't clobber %g2 register in 32bit SPARC assembly, so that
11736 -mno-app-regs libgcc can be compiled.
11737 * libgcc2.c: Add defines so that the updated longlong.h
11738 can be used in libgcc2.a. Also, make sure on most architectures
11739 (at least on all which have optimized code in longlong.h defined
11740 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
11742 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11744 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
11745 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
11746 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
11748 * configure: Rebuilt.
11750 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
11752 * alpha.c (secondary_reload_class): For !BWX, sub-simode
11753 outputs require a register.
11755 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
11757 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
11758 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
11759 functions like dptoul will be resolved.
11760 (libgcc2.a): Make sure that the object files from DPBIT are named
11761 differently (prefix `_dp') from those that would be coming from
11764 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
11766 * configure.in: When target is sparc* and tm_file contains 64,
11767 test for 64bit support in assembler. If not supported, remove
11768 sparc/t-sol2-64 from target-dependent Makefile fragments.
11769 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
11770 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
11771 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
11772 * acconfig.h (AS_SPARC64_FLAG): Added.
11773 * configure, config.in: Rebuilt.
11774 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
11775 support. Use AS_SPARC64_FLAG.
11777 1999-12-07 Jakub Jelinek <jakub@redhat.com>
11779 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
11780 suitable for holding OFmode values so that gcc works with complex
11782 (hard_64bit_mode_classes): Likewise.
11784 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
11785 so that it is actually matched.
11786 (sethi_di_medlow): Likewise.
11788 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
11789 as legitimate constant if -mvis.
11790 * config/sparc/sparc.md (movtf): Likewise.
11791 (clear_sf): Use const_double_operand.
11792 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
11794 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
11795 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
11796 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
11797 routines, _Qp_* cannot be handled like that now.
11798 (INIT_TARGET_OPTABS): Likewise.
11799 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
11800 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
11801 sparc_emit_float_lib_cmp if ARCH64 and soft float.
11802 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
11803 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
11804 divtf3, sqrttf3): New expanders.
11805 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
11806 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
11807 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
11810 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
11811 * configure: Rebuilt.
11812 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
11813 -mcpu is given and we're doing 64bit compiles.
11815 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
11817 * loop.h (struct induction): Add multi_insn_incr.
11818 * loop.c (basic_induction_var): New multi_insn_incr argument.
11819 Set it if we search back through previous insns for the biv.
11820 (record_biv): New multi_insn_incr argument; fill in struct induction.
11821 (strength_reduce): Discard an iv with multiple bivs, any of
11822 which require multiple insns to increment.
11824 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11826 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
11829 1999-12-06 David S. Miller <davem@redhat.com>
11831 * combine.c (check_promoted_subreg): Do not conditionalize this upon
11832 PROMOTE_FUNCTION_RETURN.
11834 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
11836 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
11837 and handle REG_UNUSED note on insn.
11839 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
11840 inner_mask instead of mask.
11842 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
11844 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
11845 zero if there was an error.
11847 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11849 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
11852 * longlong.h: Fix clobbers in SPARC asm statements.
11854 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
11855 valid sethi operations when TARGET_ARCH64.
11857 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
11858 always use move_by_pieces to avoid infinite recursion.
11859 (restore_fixed_argument_area): Likewise.
11861 * combine.c (check_promoted_subreg, record_promoted_value): New
11863 (combine_instructions): Use them to retain nonzero and sign bit
11864 information after SUBREGs are eliminated by optimizations in
11865 this pass if PROMOTE_FUNCTION_RETURN.
11867 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
11868 .register declaration. Don't use variables with __ prefixes.
11870 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11872 * fold-const.c (optimize_bit_field_compare): Only use one mode
11873 for both RHS and LHS in non-constant case.
11875 1999-12-06 Nathan Sidwell <nathan@acm.org>
11877 * frame.c (start_fde_sort): Only allocate erratic array, if
11878 linear one was allocated. Return allocated flag.
11879 (fde_insert): Only insert, if there's a valid array.
11880 (fde_end_sort): Split, sort and merge if linear and erratic
11881 arrays exist, else just sort linear one.
11882 (search_fdes): New function. Linear search through original fde
11884 (frame_init): Permit multiple initializations. Cope with
11886 (find_fde): Fallback on linear search, if failed to sort array.
11887 (__deregister_frame_info): Only free sorted array, if we
11890 1999-12-06 Jakub Jelinek <jakub@redhat.com>
11892 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
11894 1999-12-05 Jakub Jelinek <jakub@redhat.com>
11896 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
11898 1999-12-05 Mark Mitchell <mark@codesourcery.com>
11900 * tree.h (special_function_p): Declare.
11901 * calls.c (special_function_p): Make it global. Don't take `name'
11902 as a parameter. Fix typo in 1999-11-28 change.
11903 (expand_cal): Adjust.
11905 1999-12-04 Mark Mitchell <mark@codesourcery.com>
11907 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
11908 * tree.h (EXPR_WFL_FILENAME): Define in terms of
11909 EXPR_WFL_FILENAME_NODE.
11910 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
11912 * print-tree.c (print_note): Print TREE_PRIVATE and
11915 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
11916 the original die cannot be found.
11918 * varray.h (varray_head_tag): Add elements_used.
11919 (VARRAY_PUSH): New macro.
11920 (VARRAY_POP): Likewise.
11921 (VARRAY_TOP): Likewise.
11922 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
11924 * varray.c (varray_init): Initialize elements_used.
11925 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
11926 (INTEGRATE_H): New variable.
11927 (integrate.o): Depend on INTEGRATE_H.
11928 (unroll.o): Likewise.
11930 * function.h (insert_block_after_note): Declare.
11931 * function.c (insert_block_after_note): Split out from ...
11932 (retrofit_block): ... here.
11934 * stmt.c (expand_fixup): Fix typo in comment.
11936 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11938 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
11939 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
11940 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
11941 (regmove_optimize, fixup_match_1): Likewise.
11943 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11945 * flow.c (flow_loops_dump): Add missing argument when calling
11946 flow_loop_nested_p.
11948 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
11949 Greg McGary <gkm@gnu.org>
11951 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
11952 (init_attributes): Add A_NO_LIMIT_STACK.
11953 (decl_attributes): Handle A_NO_LIMIT_STACK.
11954 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
11955 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
11956 Handle stack bounds checking.
11957 * flags.h (flag_stack_check): Use the word 'probe' rather than
11958 'check', because the flag doesn't actually cause any checking to
11960 * function.c (expand_function_start): Set
11961 current_function_limit_stack.
11962 * function.h (struct function): Add limit_stack.
11963 (current_function_limit_stack): Define.
11964 * invoke.texi (Code Gen Options): Document new options.
11965 * rtl.h: Declare stack_limit_rtx.
11966 * toplev.c (stack_limit_rtx): New variable.
11967 (decode_f_option): Handle new options -fstack-limit-register=REG,
11968 -fstack-limit-symbol=IDENT, -fno-stack-limit.
11969 (main): Add stack_limit_rtx as GC root.
11970 * tree.h (DECL_NO_LIMIT_STACK): New macro.
11971 (struct tree_decl): New member no_limit_stack.
11973 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
11975 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
11976 (conditional_trap+1): Get new mnemonic correct.
11977 (conditional_trap+2): New pattern for DImode traps.
11979 * config/m68k/m68k.c (output_function_prologue): Handle
11981 * config/m68k/m68k.md (trap): New insn.
11982 (conditional_trap): New insn.
11983 * md.texi (Standard Names): Document `trap' and
11984 `conditional_trap'.
11985 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
11986 so a cc0 setter doesn't get emitted at some random place in the
11989 * config/i960/i960.md (trap): New insn.
11990 (conditional_trap): New expander.
11991 (conditional_trap+1, conditional_trap+2): New insns for signed
11992 and unsigned cases.
11993 * config/i960/i960.c (i960_function_prologue): Use
11994 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
11996 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
11997 Geoffrey Keating <geoffk@cygnus.com>
11999 * flags.h (warn_padded, warn_packed): Add global var decls.
12000 * toplev.c (warn_padded, warn_packed): Add global var defns.
12001 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
12002 * stor-layout.c (layout_record): Add local variable `type'
12003 to hold often-used TREE_TYPE (field). Add local variable
12004 `unpacked_align' to hold alignment that would be in force
12005 if no `packed' attribute were present. Warn if `packed' attribute
12006 is unnecessary, or even harmful. Warn when gcc inserts padding
12007 to satisfy alignment requirements of members. Use NULL_TREE
12008 when checking whether var_size is set.
12009 * invoke.texi: Document new flags.
12011 1999-12-03 Nathan Sidwell <nathan@acm.org>
12013 * frame.c (fde_split): Reimplement to avoid variable sized array.
12015 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12017 * combine.c (try_combine): Before fixing up LOG_LINKS for the
12018 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
12020 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
12022 * invoke.texi: Document the mips option -mno-crt0
12024 1999-12-02 Mike Karr <mkarr@mathworks.com>
12026 * cccp.c (argdata): Added free_ptr member.
12027 (macroexpand): Initialize free_ptr of each argument. When an
12028 argument's buffers are freed, if the argument's free_ptr corresponds
12029 to a buffer on the input stack, then return the free_ptr to that stack
12030 frame, otherwise, free it.
12031 (macarg): If an argument begins and ends on the same input stack level,
12032 then transfer the free_ptr of that buffer to the argument in case
12033 the stack is popped during the processing of a subsequent argument.
12035 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
12037 * loop.c (note_reg_stored): New function.
12038 (struct note_reg_stored_arg): New structure.
12039 (try_copy_prop): Change to be more conservative; only replace within
12040 one extended basic block and stop replacing if a store to the
12041 replacement reg is seen.
12043 1999-12-02 Nick Clifton <nickc@cygnus.com>
12045 * config/fp-bit.c: Initialise all fields of the NAN
12048 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
12051 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
12053 * i386.md (extend?f?f2): Force the input into a register, not
12056 1999-12-01 Jakub Jelinek <jakub@redhat.com>
12058 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
12060 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
12061 alternative because setting up 64bit constant is usually costly,
12062 especially when reload is in progress or completed.
12063 (movdf_const_intreg_sp64): Likewise.
12064 (movdf_const_intreg split): Fix building up constants when
12065 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
12067 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
12069 * combine.c (if_then_else_cond): Use const_true_rtx instead of
12070 const1_rtx for return values in EQ/NE comparison against (const_int 0)
12073 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
12074 (asm_file_start): Emit .am33 into assembly file when compiling for
12076 (print_operand_address): Handle POST_INC addresses.
12077 (can_use_return_insn, initial_offset): Check AM33 registers too.
12078 (expand_prologue): Check & save AM33 registers too.
12079 (expand_epilogue): Similarly.
12080 (secondary_reload_class): Handle AM33 specific secondary reloads.
12081 (output_tst): Emit efficient code for the AM33 too.
12082 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
12083 (TARGET_SWITCHES): Add -mam33 switch.
12084 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
12085 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
12086 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
12087 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
12088 (enum reg_class, REG_CLASS_NAMES): Likewise.
12089 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
12090 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
12091 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
12092 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
12093 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
12094 (HAVE_POST_INCREMENT): Define.
12095 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
12096 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
12097 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
12098 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
12099 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
12100 (zero_extend to SI from QI/HI): Likewise.
12101 (sign_extend to SI from QI/HI): Likewise.
12102 (mulsidi3, umulsidi3): New patterns for the AM33.
12103 (tstsi with zero extension from QI/HI): Add AM33 variants.
12104 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
12105 (return_internal_regs, store_movm): Handle new AM33 registers.
12106 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
12107 (LIBGCC, INSTALL_LIBGCC): Likewise.
12108 * invoke.texi: Document new flags.
12110 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12112 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
12113 (addsi3_carry): Likewise.
12114 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
12115 (sbbsi3_carry): Likewise.
12116 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
12117 (mulhi3): Likewise.
12118 (test?i_1): Ensure that only one operand is memory.
12119 (conditional move patterns): likewise.
12120 (shift and rotate patterns): Rewrite to expander, add
12121 "binary_operator_ok" to the condition.
12123 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
12124 * i386.h (procesor_costs): Add movzbl_load field.
12125 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
12126 non-Q registers, accept DImode registers anywhere.
12128 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
12129 * i386.c (*_cost): Set value for movxbl_load field.
12131 * (addsi): New add to lea splitter.
12132 (ashlsi): Likewise.
12133 (lea to add/shift peep2): New.
12135 1999-12-01 Mark Salter <msalter@cygnus.com>
12137 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
12138 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
12139 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
12141 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12143 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
12144 * i386.md (movsi_xor): New.
12146 (movsi_1, movhi_1, movqi_1): Remove.
12147 (movsi_2): Rename to movsi_1.
12148 (movhi_2): Rename to movhi_1.
12149 (movqi_2): Rename to movqi_1.
12150 (movdi_1): Remove; remove splitter.
12151 (movdi_2): Rename to movdi_1.
12152 (divmodsi4 splitter): Do not emit clobbers for move patterns.
12153 (long move peep2): Do not create QI or HI mode mov0s
12154 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
12156 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
12159 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
12160 (abs?f2_if): Likewise.
12162 1999-11-30 Alex Samuel <samuel@codesourcery.com>
12164 * ggc.h (ggc_test_and_set_mark): New macro.
12165 (ggc_mark_rtx): Use ggc_test_and_set_mark.
12166 (ggc_mark_tree): Likewise.
12167 (ggc_mark_rtvec): Likewise.
12168 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
12170 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
12172 * dwarf2out.c (scope_die_for): Only handle types. Only search for
12174 (decl_scope_table): Just an array of trees now.
12175 (push_decl_scope): Simplify.
12176 (dwarf2out_init): Adjust.
12177 (local_scope_p): New fn.
12178 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
12179 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
12180 (gen_typedef_die): Likewise.
12181 (gen_lexical_block_die): Don't call push/pop_decl_scope.
12182 (gen_inlined_subroutine_die): Likewise.
12183 (gen_abstract_function): Set current_function_decl temporarily.
12184 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
12185 Handle block extern declarations. Don't call push/pop_decl_scope.
12186 (gen_decl_die): Fix logic for block externs.
12188 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12190 * calls.c (special_function_p): Remove `realloc' and add `strdup'
12191 to the list of functions which have attribute malloc by default.
12193 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12195 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
12196 integer constant does not match the traditional type, limit the
12197 warnings to cases where the base of the type is ten.
12199 * invoke.texi (-Wtraditional): Document it.
12201 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12203 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
12204 * rs6000.md: Only access a CONST_INT with INTVAL
12206 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
12208 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
12209 (compute_nearerout): Likewise.
12210 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
12211 size_t to unsigned long for formatting.
12213 1999-11-30 Jakub Jelinek <jakub@redhat.com>
12215 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
12216 Allow the user to override call-used/fixed state of %g2-5
12217 registers from the command line (with the exception of %g4 for
12219 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
12220 there is a higher chance of having a leaf function.
12221 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
12222 for ARCH64 which has %ccr register.
12223 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
12225 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
12226 insn accept into delay slot any insn which does not use %[ol]
12227 registers. Accept some LO_SUM and shift left by 1 for the normal
12229 (output_function_epilogue): Likewise.
12230 (epilogue_renumber): Added argument which inhibits any renumbering
12231 and just tests if the rtx does not use any %[ol] registers.
12232 (output_return): Reflect above change.
12234 1999-11-30 Jakub Jelinek <jakub@redhat.com>
12236 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
12237 aggregate passing for sizes <= 16 bytes.
12239 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
12241 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
12242 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
12243 * reload.c (find_dummy_reload): Likewise.
12244 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
12245 * reload1.c (reload_as_needed): Likewise.
12246 * stupid.c (stupid_find_reg): Likewise.
12247 * tm.texi (Obsolete Register Macros): Delete section.
12248 * gmicro.h: Remove all traces of the two macros.
12249 * i386.h: Likewise.
12250 * m88k.h: Likewise.
12251 * mips.h: Likewise.
12253 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
12255 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
12256 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
12257 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
12258 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
12259 units for the sparclite86x chip.
12260 (flush): Revert October 14th change; add SImode specifically.
12261 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
12262 * invoke.texi: Document it.
12264 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
12266 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
12267 psimode_truncation_operand.
12269 * config/mn10200/mn10200.c (psimode_truncation_operand): New
12270 function. Return true if the operand is either a MEM valid
12271 for a PSImode address or not a MEM at all.
12273 * config/mn10200/mn10200.md (truncsipsi2): Use
12274 psimode_truncation_operand.
12276 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12278 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
12279 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
12280 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
12281 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
12282 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
12283 (flow_loop_level_compute, low_loops_level_compute): Likewise.
12284 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
12285 * basic-block.h: Protect from multiple inclusion.
12286 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
12287 (struct loops, struct loop): Define structures.
12288 * sbitmap.c (sbitmap_a_subset_b_p): New function.
12289 * sbitmap.h: Protect from multiple inclusion.
12290 (sbitmap_a_subset_b_p): Add prototype.
12291 * Makefile.in (LOOP_H): New macro.
12292 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
12294 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
12296 * cppinit.c (CAT): The argument list of this macro may not contain
12299 1999-11-29 David S. Miller <davem@redhat.com>
12301 Move quantity tables and register equivalence chains into
12302 per-qty and per-register structure arrays respectively.
12303 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
12304 qty_const_insn, qty_comparison_code, qty_comparison_const,
12305 qty_comparison_qty): Delete, replace with...
12306 (qty_table): this structure table.
12307 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
12308 (reg_eqv_table): this structure table.
12309 (make_new_qty): Add argument MODE. Caller updated.
12310 Update to use qty_table and reg_eqv_table.
12311 (make_regs_eqv, delete_reg_equiv, insert_regs,
12312 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
12313 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
12314 cse_process_notes, cse_main, cse_basic_block): Likewise.
12316 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12318 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
12319 operation if C is negative.
12320 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
12321 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
12322 law for some divisions if constant is negative and change other
12323 divisions to the opposite rounding.
12325 * expr.c (store_constructor_field): If bit position is not multiple
12326 of alignment of TARGET's mode, use BLKmode.
12328 * expr.c (expand_expr_unaligned): Add more code from full case
12329 that is needed when OP0 is in a register.
12331 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12333 * dwarfout.c (field_byte_offset): Size can be zero if there was
12336 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
12338 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
12339 (associate_trees): Delete unused var TEM.
12340 (extract_muldiv): Delete unused var CANCEL_P.
12342 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
12343 (target_isinf, target_isnan, target_negative): Add return types to
12344 function definitions.
12346 1999-11-29 Bruce Korb <autogen@linuxbox.com>
12348 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
12349 * fixinc/hackshell.tpl: ditto
12350 * fixinc/fixtests.c(double_slash_test): more C++ header testing
12351 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
12353 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
12355 * reload.c (push_reload): When looking for a register to put into
12356 reg_rtx, make sure all hard regs in a multi-reg register are in the
12357 right class and nonfixed.
12359 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
12360 pending_read_insns, pending_write_insns, pending_read_mems,
12361 pending_write_mems, pending_list_length, last_pending_memory_flush,
12362 last_function_call, sched_before_next_call): Move static variables
12364 (bb_ prefixed versions): Replace with single array bb_deps.
12365 (struct deps): New structure.
12366 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
12367 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
12368 argument of type "struct deps *"; use that instead of global
12369 variables. All callers changed.
12370 (init_rgn_data_dependencies): Delete function.
12371 (init_rtx_vector): Delete function.
12372 (init_deps): New function.
12374 (free_pending_lists): Simplify, we always use the bb_deps array even
12375 if only one basic block.
12376 (compute_block_backward_dependences): Likewise.
12377 (schedule_region): Likewise.
12379 (propagate_deps): New function, broken out of
12380 compute_block_backward_dependences.
12381 (compute_block_backward_dependences): Use it.
12383 * alpha.md: Delete useless patterns that tried to work around
12384 register elimination problems.
12386 * unroll.c (loop_iterations): Don't abort if iteration variable
12389 From Joern Rennecke:
12390 * reload1.c (reloads_conflict): Reverse test comparing operand
12391 numbers when testing for conflict between output/outaddr reloads.
12393 1999-11-29 David S. Miller <davem@redhat.com>
12395 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
12397 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
12399 1999-11-28 Robert Lipe <robertl@cygnus.com>
12401 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
12402 table from .fini into .dtor.
12404 1999-11-28 Anthony Green <green@cygnus.com>
12406 * tree.h (struct tree_decl): Add malloc_flag.
12407 (DECL_IS_MALLOC): Define.
12408 * c-common.c (attrs): Add A_MALLOC attribute.
12409 (init_attributes): Add this attribute to the table.
12410 (decl_attributes): Handle malloc attribute.
12411 * calls.c (special_function_p): Check for the malloc attribute.
12412 * extend.texi (Function Attributes): Document malloc attribute.
12414 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
12416 * pa.md (reload shift-add patterns): Remove.
12418 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12420 * reorg.c (dbr_schedule) Print more statistics. Corrected
12421 problem when printing info when 3 delay slots are filled.
12423 1999-11-28 Jakub Jelinek <jakub@redhat.com>
12425 * combine.c (setup_incoming_promotions): Pass an outgoing
12426 regno to FUNCTION_ARG_REGNO_P which it expects.
12428 1999-11-28 Andreas Jaeger <aj@suse.de>
12430 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
12432 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
12434 * cccp.c (do_include): Avoid initialization of automatic variable.
12436 * integrate.c (mark_stores): Function definition made void, to match
12437 previous declaration.
12438 * regclass.c (dump_regclass): Ditto.
12439 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
12441 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12443 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
12444 known to be multiple of divisor.
12446 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
12448 * combine.c (try_combine): Add code to try to merge a set of a
12449 two-word pseudo to a constant with a setting of one of those words
12452 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
12453 (split_tree): Completely rework to make more general.
12454 (make_range, fold): Call negate_expr.
12455 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
12456 (fold, associate): Call new split_tree and associate_trees.
12457 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
12459 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
12461 * loop.c (try_copy_prop): Avoid GNU C extension.
12463 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12465 * except.c (init_eh_for_function): Still zero eh_return_context,
12466 eh_return_stack_adjust, and eh_return_handler.
12468 * except.h (eh_status): Adjust documentation for x_protect_list.
12469 (begin_protect_partials): New function.
12470 * except.c (enqueue_eh_entry): Fix formatting.
12471 (get_first_handler): Add consistency check.
12472 (add_partial_entry): Adjust usage of protect_list.
12473 (emit_cleanup_handler): Save and restore ehqueue.
12474 (expand_start_all_catch): Add comment.
12475 (begin_protect_partials): New function.
12476 (end_protect_partials): Adjust usage of protect_list.
12477 (init_eh_for_function): Use xcalloc.
12479 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12481 * c-common.c (check_format_info): Don't call a variadic function
12482 with a non-literal format string.
12484 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
12486 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
12487 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
12490 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
12493 * collect2.c (collect_wait): Likewise.
12495 * dbxout.c (dbxout_type): Likewise.
12497 * gcc.c (do_spec_1): Likewise.
12499 * genemit.c (gen_insn, gen_expand): Likewise.
12501 * genrecog.c (write_switch, write_subroutine): Likewise.
12503 * mips-tfile.c (catch_signal, botch): Likewise.
12505 * print-rtl.c (print_rtx): Likewise.
12507 * toplev.c (default_print_error_function, report_error_function,
12508 _fatal_insn): Likewise.
12510 1999-11-25 Mark Mitchell <mark@codesourcery.com>
12512 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
12514 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12516 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
12517 operations when needed.
12518 * i386.md (fop_?f_comm): New.
12519 (fop_?f_1): Do not accept commutative operands.
12521 1999-11-25 Andreas Jaeger <aj@suse.de>
12523 * config/mips/mips.md (casesi_internal): Add missing brace.
12525 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
12527 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
12528 (splice_child_die): Handle moving a child DIE from the declaration
12529 DIE of a class to its specification.
12530 (gen_struct_or_union_type_die): Use 'complete' consistently.
12531 (gen_decl_die): Generate the virtual context DIE first.
12532 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
12534 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
12536 * config/mips/mips.md (call_value_multiple_interanal1): New.
12538 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
12540 * dwarf2out.c (free_AT, free_die): New fns.
12541 (remove_children): Call them.
12542 (output_line_info): Disable removal of duplicate notes.
12544 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
12545 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
12546 means pretend the type isn't defined.
12547 Don't defer emitting types.
12548 (gen_type_die_for_member): New fn.
12549 (gen_decl_die): Call it.
12550 (splice_child_die): New fn.
12551 (gen_member_die): Call it rather than generate duplicate dies.
12553 Defer emitting information for the abstract instance of an inline
12554 until we either inline it or emit an out-of-line copy.
12555 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
12556 from output_inline_function if DECL_ABSTRACT is also set.
12557 (block_ultimate_origin): Likewise.
12558 (gen_abstract_function): New fn.
12559 (gen_decl_die, gen_inlined_subroutine_die): Call it.
12560 (gen_subprogram_die): An abstract instance is not a declaration
12561 just because it doesn't match current_function_decl. Don't abort
12562 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
12563 has an abstract origin.
12564 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
12565 abstract instance here.
12567 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
12569 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
12570 where we need to reload fpul from a system register.
12572 1999-11-24 Andreas Jaeger <aj@suse.de>
12574 * config/mips/linux.h (CPP_PREDEFINES): Added.
12575 (LINK_SPEC): Remove -Y since this is only needed on sparc.
12577 1999-11-24 Andreas Jaeger <aj@suse.de>
12579 * config/mips/linux.h (TARGET_VERSION): Added.
12580 (HANDLE_SYSV_PRAGMA): Added.
12581 (DEFAULT_VTABLE_THUNKS): Added.
12583 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12585 * local-alloc.c (qty): New structure and static variable.
12586 (qty_phys_reg): Remove, all references changed to qty.
12587 (qty_n_refs): Likewise.
12588 (qty_min_class): Likewise.
12589 (qty_birth): Likewise.
12590 (qty_death): Likewise.
12591 (qty_size): Likewise.
12592 (qty_mode): Likewise.
12593 (qty_n_calls_crossed): Likewise.
12594 (qty_alternate_class): Likewise.
12595 (qty_changes_size): Likewise.
12596 (qty_first_reg): Likewise.
12597 (alloc_qty): Rename variable QTY to QTYNO.
12598 (finf_free_reg): Likewise.
12599 (local_alloc): Allocate qty, do not allocate the removed variables.
12601 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
12603 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
12604 when -membedded-pic is passed.
12606 * config/mips/mips.md (casesi): Handle 64-bit case too.
12607 (casesi_internal_di): New insn.
12609 * config/mips/mips.c (embedded_pic_offset): Always make the
12610 embedded-pic subtractions relative to the name of the current
12611 function by use of the magic string "..CURRENT_FUNCTION".
12612 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
12614 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
12616 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
12617 of (const_int 0), when what we really care about is
12618 whether it's a zero constant anyway.
12619 (div_trap_mips16): Likewise.
12621 1999-11-23 Mark Mitchell <mark@codesourcery.com>
12623 * loop.c (loop_optimize): Always find_loop_tree_blocks and
12624 unroll_block_trees when generating debuggable code.
12626 * tree.h (unsave_expr_1): New function.
12627 (lang_unsave): New variable.
12628 (get_callee_fndecl): New function.
12629 * tree.c (unsave_expr_now_r): New function.
12630 (lang_unsave): Define.
12631 (unsave_expr_1): Likewise.
12632 (unsave_expr_now_r): Split out from unsave_expr_now.
12633 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
12634 call unsave_expr_now_r.
12635 (get_callee_fndecl): Define.
12637 * Makefile.in (gencheck): Don't depend on lang_tree_files.
12638 (gencheck.o): Do depend on lang_tree_files.
12640 * integrate.h (copy_decl_for_inlining): New declaration.
12641 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
12642 (copy_decl_for_inlining): New function.
12643 (integrate_parm_decls): Use it.
12644 (integrate_decl_tree): Likewise.
12646 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
12648 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
12649 the second two from the first.
12650 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
12651 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
12652 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12654 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
12655 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
12658 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
12660 * pa.md (call_internal_symref, call_value_internal_symref): No mode
12661 needed on the address operand.
12662 * pa.c (call_operand_address): Check for the correct mode.
12664 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
12666 * loop.c: Include "basic-block.h".
12667 (try_copy_prop, replace_loop_reg): New functions.
12668 (load_mems): Detect registers that just hold copies of the hoisted
12669 mem, and call try_copy_prop to eliminate them.
12670 * Makefile.in (loop.o): Update dependencies.
12672 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
12674 * Makefile.in (gencheck.o): Depend on gencheck.h.
12675 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
12676 (insn-peep.o): Depend on except.h and function.h.
12677 (insn-attrtab.o): Depend on RECOG_H.
12678 (insn-output.o): Depend on toplev.h and flags.h.
12679 (gengenrtl.o): Depend on real.h.
12680 (gen-protos.o): Depend on cpplib.h and cpphash.h.
12681 Unify all dependencies to be on RECOG_H rather than recog.h.
12683 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12685 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
12686 * configure.in: Try building a bi-arch 32/64-bit compiler on
12687 sparc-*-solaris2.7 and higher.
12688 * configure: Rebuild.
12690 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
12692 * config/freebsd.h: New, FreeBSD architecture independent file.
12693 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
12694 independent pieces.
12695 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
12696 directly by i386/freebsd.h.
12697 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
12698 independent configuration file.
12699 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
12700 directly by i386/freebsd.h.
12701 * configure: Rebuilt.
12703 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
12704 which is in the user's namespace.
12705 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
12706 `i386' which is not in our namespace.
12708 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
12710 * invoke.texi (ARM Options): Add in -mno-alignment-traps
12712 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12714 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
12715 (add_dwarf_attr, add_child_die): Just push onto the front.
12716 (reverse_die_lists): New fn.
12717 (add_sibling_attributes): Use it.
12718 (push_decl_scope): Reorganize.
12719 (add_name_and_src_coords_attributes): Don't set file and line for
12720 an artificial decl.
12721 (gen_subprogram_die): An artificial function doesn't need to match
12723 (gen_compile_unit_die): Return the generated die. Only add
12724 AT_comp_dir if the filename is relative.
12725 (remove_AT): Simplify loop. Also free string values.
12726 (output_die): A DIE ref can't be null.
12727 (output_value_format, value_format): Take a dw_attr_ref.
12728 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
12729 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12730 AT_addr, AT_lbl): New fns.
12731 (various): Use them.
12732 (various): Constify.
12734 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12736 * combine.c (combine_simplify_rtx): When handling a SUBREG,
12737 take SUBREG_WORD into account.
12738 (if_then_else_cond): Likewise.
12740 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
12742 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
12743 clause from BSD license, pursuant with
12745 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
12747 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
12749 * loop.c (load_mems): Reformat slightly.
12750 * basic-block.h (regset_head): New typedef.
12751 (INIT_REG_SET): New macro.
12753 1999-11-22 Bruce Korb <autogen@linuxbox.com
12755 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
12756 (mips-dec-bsd*): non-functional code
12757 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
12759 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
12760 added three replacement fixes
12761 (no_double_slash): removed comments that are not (any longer) pertinent
12762 (bad_lval): this fix currently runs against many files.
12763 The comment seems to indicate that we should select for files
12764 containing 'pragma extern_prefix'.
12766 * fixinc/fixinc.x86-linux-gnu: deleted
12767 * fixinc/inclhack.sh: regen
12768 * fixinc/fixincl.x: regen
12769 * fixinc/fixincl.sh: regen
12771 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
12773 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
12774 its code is INSN and it has no notes.
12776 1999-11-22 Andrew Haley <aph@cygnus.com>
12778 * varasm.c (function_defined): Remove.
12779 (make_function_rtl): Don't set function_defined.
12780 (make_decl_rtl): Remove global register warning.
12781 * regclass.c (no_global_reg_vars): New variable.
12782 (globalize_reg): Warn if function has already been defined.
12783 (regclass_init): Set no_global_reg_vars.
12785 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12787 * regclass.c (reg_pref): New structure and static variable
12788 (prefclass): Delete.
12789 (altclass): Delete.
12790 (all uses of prefclass and altclass): Use reg_pref instead.
12792 1999-11-21 Nick Clifton <nickc@cygnus.com>
12794 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
12796 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
12797 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12798 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
12800 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
12802 * varasm.c (output_constructor): Solve problem with long long
12803 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
12805 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12807 * global.c (allocno): New structure and static variable.
12808 (allocno_reg): Remove, all references replaced by allocno.
12809 (allocno_size): Likewise.
12810 (hard_reg_conflicts): Likewise.
12811 (hard_reg_preferences): Likewise.
12812 (hard_reg_copy_preferences): Likewise.
12813 (hard_reg_full_preferences): Likewise.
12814 (regs_someone_prefers): Likewise.
12815 (allocno_calls_crossed): Likewise.
12816 (allocno_n_refs): Likewise.
12817 (allocno_live_length): Likewise.
12818 (find_reg): Rename ALLOCNO to NUM.
12820 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
12821 references updated.
12822 (may_move_out_cost): New variable.
12823 (init_reg_sets_1): Initialize may_move_out_cost.
12824 (record_reg_classes): Use may_move_out_cost.
12826 * regclass.c (dump_regclass): New function.
12827 (regclass): New parameter DUMP, call DUMP_REGCLASS.
12828 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
12829 pass rtl_dump_file to regclass.
12830 * rtl.h (regclass): Update prototype.
12832 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12834 * i386.md (neg, not and abs patterns): Revmap to use
12835 ix86_expand_unary_operator and ix86_unary_operator_ok.
12836 (add?f and sub?f expanders): Force operand 1 to register.
12837 * i386.c (ix86_expand_unary_operator): Rewrite.
12838 (ix86_unary_operator_ok): Ensure that memory operands
12840 (ix86_binary_operator_ok): Do not allow operand 1 to
12841 come into memory and operand 0 not.
12842 (ix86_expand_binary_operator): Ensure that
12843 src1 is not non-matching memory.
12845 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
12846 to support integer registers and memory.
12847 (abss?2_integer): Likewise.
12849 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
12850 (REG_CLASS_NAMES): Likewise.
12851 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
12853 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
12854 (movsf): Likewise; unify 4th and 5th alternative.
12855 (pushdf): Likewise.
12856 (movdf_1): Likewise; rename to movdf_integer.
12857 (pushxf): Likewise; rename to pushxf_integer; fix output template;
12858 remove redundant splitter.
12859 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
12860 (movdf_nointeger): New.
12861 (movxf_nointeger): New.
12862 (pushxf_nointeger): New.
12864 * i386.md (extend?f?f): Split to expander and pattern, refuse two
12865 memory operands in patterns.
12866 (fop*): Refuse two memory operands.
12868 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
12869 on !TARGET_USE_CLTD CPUs.
12871 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
12873 * extend.texi: Document C++ restricted pointers and references.
12875 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
12877 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
12878 (invalidate_skipped_set): Call it unconditionally.
12879 (cse_set_around_loop): Likewise.
12881 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12883 * rtl.texi (mem): Add documentation for alias-set argument
12886 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12888 * i386.h (struct_processor_costs): New fields int_load, int_store,
12889 fp_move, fp_load and fp_store
12890 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
12892 (MEMORY_MOVE_COST): New macro.
12893 * i386.c (386_cost): Define new fields.
12894 (i486_cost): Likewise.
12895 (pentium_cost): Likewise.
12896 (pentiumpro_cost): Likewise.
12897 (k6_cost): Likewise.
12899 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
12900 Geoffrey Keating <geoffk@cygnus.com>
12902 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
12904 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
12907 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
12908 (TARGET_STRICT_ALIGNMENT): New macro.
12909 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
12910 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
12911 * invoke.texi (M680x0 Options): Document -mstrict-align.
12913 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
12914 Richard Henderson <rth@cygnus.com>
12916 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
12917 (ix86_split_long_move): Declare.
12918 * i386.c (split_xf, ix86_split_movdi): Remove.
12919 (ix86_split_to_parts, ix86_split_long_move): New.
12920 * i386.md (dimode move splitters): Use ix86_split_long_move.
12921 (dfmode move splitters): Likewise.
12922 (xfmode move splitters): Likewise.
12923 (movsf_1): Allow F->r.
12924 (movdf_1, movxf_1): Allow F->ro.
12926 1999-11-17 Mark Mitchell <mark@codesourcery.com>
12928 * except.h (struct eh_entry): Add goto_entry_p.
12929 (eh_region_from_symbol): Remove prototype.
12930 * except.c (find_func_region_from_symbol): New function.
12931 (emit_cleanup_handler): Likewise.
12932 (eh_region_from_symbol): Make it static.
12933 (add_new_handler): Verify the argument.
12934 (find_func_region): Update comment.
12935 (expand_eh_region_end): Expand handlers here, rater than waiting
12936 until expand_leftover_cleanups or start_all_catch.
12937 (expand_leftover_cleanups): Don't expand here.
12938 (expand_start_all_catch): Or here.
12939 (expand_rethrow): Check the return value from find_func_region.
12940 * function.c (expand_function_end): Emit the catch_clauses.
12942 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
12944 * integrate.c (expand_inline_function): Add necessary check for NULL.
12946 1999-11-18 Nick Clifton <nickc@cygnus.com>
12948 * toplev.c (main): Correctly detect an unrecognised option.
12950 * cppinit.c (cpp_handle_option): Do not claim to have consumed
12951 a -f option if it has not been recognised.
12953 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
12955 * basic-block.h (update_life_extent): Remove trailing comma on
12956 enumeration type list.
12958 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12960 * varasm.c (output_constructor) Solved problem with long long
12961 bitfields. Corrected calculating this_time and shift. Also
12962 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
12964 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
12966 * flow.c (split_edge): Take looping structure into account when
12967 determining where to put the new block note.
12969 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
12971 * Makefile.in (ggc-none.o): Provide host specific version if
12974 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
12976 * cse.c (delete_trivially_dead_insns): Identify no-op insns
12977 containing subregs too.
12979 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12981 * invoke.texi: Add documentation for -muninit-const-in-rodata.
12982 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
12983 (TARGET_UNINIT_CONST_IN_RODATA): Define.
12984 (text_section): Add switches -munint-const-in-rodata and
12985 -mno-uninit-const-in-rodata.
12986 (ASM_OUTPUT_COMMON): Remove.
12987 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
12988 const objects should be placed in read-only data. Otherwise declare
12991 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
12993 * jump.c (jump_optimize_1): Revert last change.
12995 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
12997 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
12998 test if optimizing for size.
13000 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13002 * Makefile.in (toplev.o): Depend on except.h.
13003 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
13005 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13007 * i386.md (divmodsi4): Rewrite to expander.
13008 (*divmodsi4_nocltd): New.
13009 (*divmodsi4_cltd): New.
13010 (divmodsi4 splitter): Handle the case when input comes in edx.
13011 (udivmodhi4): Do not use constraints in exander.
13012 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
13014 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
13016 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
13017 for the common case.
13019 1999-11-16 Jakub Jelinek <jakub@redhat.com>
13021 * explow.c (hard_function_value): Add outgoing argument.
13022 * expr.h (hard_function_value): Declare it.
13023 * calls.c (expand_call, emit_library_call_value): Update callers.
13024 * function.c (aggregate_value_p): Ditto.
13025 (diddle_return_value): Must look at the outgoing registers
13026 on archs with register windows.
13028 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
13030 * alpha.c (alpha_build_va_list): Use make_lang_type and
13031 initialize TYPE_NAME for the va_list record.
13033 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
13035 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
13037 * ggc.h (struct ggc_statistics): Rearrange elements for better
13038 packing on 64-bit hosts.
13039 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
13040 (compute_nearerout): Likewise.
13042 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
13044 * config/rs6000/rs6000.c (first_reg_to_save): Save
13045 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
13047 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
13049 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
13050 notion of nesting to find the DIE for a type or function.
13051 DIEs can go in limbo even if we got a context_die.
13052 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
13053 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
13055 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
13056 (gen_type_die): Writing out the context doesn't cause member class
13057 template instantiations to be written out as well.
13059 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
13061 * rs6000.h (ASM_OUTPUT_DEF): New.
13062 Based on proposed addition from David Edelsohn.
13064 1999-11-15 Robert Lipe <RobertLipe@usa.net>
13065 Bruce Korb <autogen@linuxbox.com>
13067 * fixinc/inclhack.def
13068 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
13069 (unixware7_byteorder_fix): added. Removes conflicts for new defs
13071 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
13072 (svr4_endian): enabled with SVR5
13073 (svr4_mkdev): simplified syntax and enabled with SVR5
13075 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
13077 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
13078 * configure: Rebuilt.
13079 * config/t-freebsd-thread: New file.
13081 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
13083 * i386.c (ix86_decompose_address): Verify the base is a REG
13084 before trying to examine its register number.
13086 * basic-block.h: Remove all #defines and prototypes related to
13088 (free_bb_mem, compute_preds_succs): Remove prototype.
13089 * rtl.h (free_bb_mem): Remove prototype.
13090 * flow.c (alloc_int_list_node); Remove function.
13091 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
13092 (compute_preds_succs, free_bb_mem): Likewise.
13093 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
13094 * toplev.c (rest_of_compilation): Likewise.
13095 * haifa-sched.c (build_control_flow): Use flow generated edge
13096 list to build the haifa specific edge list.
13097 (find_rgns): Use new CFG data structures instead of pred/succ lists.
13098 (schedule_insns): Do not build pred/succ lists anymore. Instead
13099 build the edge table.
13101 * basic-block.h (dump_bb_data): Remove declaration.
13102 * flow.c (dump_bb_data): Remove function.
13103 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
13104 (sbitmap_union_of_predsucc): Likewise.
13106 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
13107 argument. All callers changed.
13108 (delete_null_pointer_checks_1): No longer need to compute the
13111 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
13112 All callers changed.
13113 (pre_expr_reaches_here_p_work): Likewise.
13114 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
13115 * lcm.c (compute_laterin): Fix initialization of LATER.
13116 (compute_nearerout): Similarly for NEARER.
13118 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13120 * cse.c (set_nonvarying_address_components): Delete unused function.
13121 (refers_to_p): Likewise.
13123 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
13125 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
13128 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13130 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
13131 definition in do while (0).
13133 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
13135 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
13137 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
13139 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
13141 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
13143 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
13144 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
13145 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
13146 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
13148 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
13149 saved on the stack. Output more accurate stack frame statistics
13150 into assembler file.
13152 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
13154 * genextract.c (record_insn_name): New function.
13155 (get_insn_name): No longer a stub.
13156 (main): Call record_insn_name for each insn. After each label
13157 written, print the insn name in a comment.
13159 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13161 * output.h (const_section, init_section, fini_section): Add
13164 * alpha/elf.h (const_section): Delete declaration.
13166 * svr4.h (const_section): Likewise.
13168 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
13170 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
13171 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
13172 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
13174 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
13175 variable-sized array bounds.
13177 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
13179 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
13182 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13184 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
13185 addresses the same way GO_IF_LEGITIMATE_INDEX does.
13187 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13189 * cse.c (hash_arg_in_struct): Delete.
13190 (struct table_elt): Delete elt in_struct.
13191 (struct set): Delete elt src_in_struct.
13192 (merge_equiv_classes): Don't set either hash_arg_in_struct or
13193 the corresponding in_struct elts.
13194 (canon_hash): Likewise.
13195 (safe_hash): Likewise.
13196 (find_best_addr): Likewise.
13197 (record_jump_cond): Likewise.
13198 (cse_insn): Likewise.
13200 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
13202 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
13204 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
13207 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
13209 * function.c (diddle_return_value): Put back check that the DECL_RTL
13210 for the function is a register.
13212 * function.c (diddle_return_value): Use hard_function_value to
13213 get an rtx suitable for use in the USE/CLOBBER insn.
13215 * global.c (global_conflicts): Update comments.
13216 (record_conflicts): No need to record conflicts between pseudos here.
13218 1999-11-11 Bruce Korb <autogen@linuxbox.com>
13220 * fixinc/fixincl.c: Added verbose levels for status messages
13222 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13224 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
13225 operand as argument to expand_and or expand_binop.
13227 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
13229 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
13230 gcc_add_string_root.
13232 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
13234 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
13236 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
13238 * flow.c (compute_flow_dominators): Initially put all blocks on
13240 * lcm.c (compute_antinout_edge, compute_available): Similarly.
13241 * gcse.c (compute_cprop_avinout): Remove.
13242 (compute_cprop_data): Use compute_available.
13243 (delete_null_pointer_checks_1): Use compute_available.
13245 * basic-block.h (compute_available): Returns a void now.
13246 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
13247 to return a value anymore.
13248 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
13249 worklists. Fix boundary cases. Compute maximal solutions.
13250 (compute_laterin, compute_nearerout): Similarly.
13252 * dwarf2out.c (add_AT_location_description): Allow
13253 (mem (plus (pseudo) (...)) too.
13255 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
13257 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
13259 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
13260 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13262 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
13264 * gansidecl.h: Likewise.
13270 * toplev.h: Likewise.
13272 * tree.c: Likewise.
13274 * tree.h: Likewise.
13276 * varray.c: Likewise.
13278 * varray.h: Likewise.
13280 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
13282 * gcov.c (struct arcdata): Add hits and total, remove prob.
13283 (output_branch_counts): New.
13284 (process_args): Set output_branch_counts if -c.
13285 (calculate_branch_probs): Store hits and total instead of
13287 (output_data): Emit counts if output_branch_counts is true.
13288 * gcov.texi (Invoking Gcov): Document -c switch..
13290 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
13292 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
13293 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
13295 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
13297 * invoke.texi (C Dialect Options): Add missing builtins from
13298 c-common.c to list.
13299 * extend.texi (Other Builtins): Copy to this list.
13301 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13303 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
13304 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
13305 redundant bitmap.h.
13307 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
13309 * flow.c (compute_flow_dominators): No longer treat basic block 0
13310 or (n_basic_blocks - 1) specially. Clear the AUX field before
13311 starting computation of doms/pdoms. Fix initial state for pdoms.
13313 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13315 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
13316 match rtl.o's: added ggc.h and toplev.h
13317 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
13318 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
13319 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
13321 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
13323 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
13324 from HAVE_DOS_BASED_FILESYSTEM.
13325 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
13326 HAVE_DOS_BASED_FILESYSTEM.
13328 (split_directories): Only special-case DOS file names if
13329 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
13330 instead of explicit tests. Conditionalize on !VMS.
13331 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
13332 tests. Conditionalize on !VMS.
13333 (process_command): Only use make_relative_prefix if !VMS.
13334 (free_split_directories): Conditionalize on !VMS.
13335 (DIR_UP): Conditionalize on !VMS.
13337 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
13339 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
13341 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
13343 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
13346 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
13348 * invoke.texi (Environment Variables): Document relative path
13350 * gcc.c (DIR_UP): If not defined, define as "..".
13351 (standard_bindir_prefix): New static, holds target location to
13353 (split_directories): New function to split a filename into
13354 component directories.
13355 (free_split_directories): New function, release memory allocated
13356 by split_directories.
13357 (make_relative_prefix): New function, make a relative pathname if
13358 the compiler is not in the expected location.
13359 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
13360 can figure out an appropriate prefix from argv[0].
13361 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
13362 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
13363 STANDARD_BINDIR_PREFIX.
13365 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13367 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
13369 * config/c4x/c4x.h: Moved prototypes to c4x.h.
13370 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
13371 c4x_secondary_memory_needed) Delete.
13372 (fp_zero_operand): Add mode argument.
13374 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
13376 * reload1.c (reload_reg_free_for_value_p): Don't use a register
13377 that is in reload_reg_used.
13379 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
13381 * config/arm/arm-protos.h: New file: Prototypes for functions
13382 defined in arm.c and pe.c.
13383 * config/arm/arm.h: Fix compile time warnings.
13384 * config/arm/arm.c: Fix compile time warnings.
13385 * config/arm/pe.h: Fix compile time warnings.
13386 * config/arm/aout.h: Fix compile time warnings.
13388 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
13390 * config/m32r/m32r-protos.h: New file: Prototypes for functions
13393 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
13394 Add support for subtargets.
13395 Add prototypes for new predicates.
13396 Add scheduling macros.
13398 * config/m32r/m32r.c: Fix compile time warnings.
13399 (int8_operand): New predicate function.
13400 (reg_or_cmp_int16_operand): New predicate function.
13401 (extend_operand): New predicate function.
13402 (m32r_adjust_code): New scheduling function.
13403 (m32r_adjust_priorty): New scheduling function.
13404 (m32r_sched_init): New scheduling function.
13405 (m32r_sched_reorder): New scheduling function.
13406 (m32r_sched_variable_issue): New scheduling function.
13407 (direct_return): New codegen function.
13408 (m32r_not_same_reg): New rtl testsing function.
13410 * config/m32r/m32r.md: Fix compile time warnings.
13411 Add support for pre decrement and post increment memory
13413 Add S<cc> patterns.
13416 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13418 * global.c (EXECUTE_IF_CONFLICT): Don't define.
13419 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
13420 (find_reg): Likewise.
13422 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
13424 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
13425 to avoid assembler errors.
13427 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
13429 * config/v850/v850-protos.h: New file: Prototypes for functions
13431 * config/v850/v850.h: Move prototypes to v850-protos.h
13432 * config/v850/v850.c: Move prototypes to v850-protos.h
13433 * config/v850/v850.md: Fix compile time warnings.
13435 * config/fr30/fr30-protos.h: New file: Prototypes for functions
13437 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
13438 * config/fr30/fr30.c: Fix compile time warnings.
13439 * config/fr30/fr30.md: Fix compile time warnings.
13441 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
13443 * tree.h (get_containing_scope): Declare it.
13444 * tree.c (get_containing_scope): New fucntion.
13445 (decl_function_context): Use it.
13446 * toplev.c (rest_of_compilation): Use get_containing_scope.
13448 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13450 * Makefile.in (rtl.o): Depend on toplev.h.
13452 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
13454 * cse.c (delete_trivially_dead_insns): Replace alloca with
13456 * except.c (update_rethrow_references): Likewise.
13457 (init_eh_nesting_info): Likewise.
13458 * function.c (identify_blocks): Likewise.
13459 * gcse.c (dump_hash_table): Likewise.
13460 * graph.c (print_rtl_graph_with_bb): Likewise.
13461 * loop.c (combine_movables): Likewise.
13462 (move_movables): Likewise.
13463 (count_loop_regs_set): Likewise.
13464 (strength_reduce): Likewise.
13465 * profile.c (compute_branch_probabilities): New function, split
13467 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
13468 * regclass.c (regclass): Likewise.
13469 * regmove.c (regmove_optimize): Likewise.
13470 * toplev.c (compile_file): Likewise.
13471 (main): Don't mess with the stack rlimit.
13473 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
13475 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
13476 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
13478 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
13480 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
13482 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
13484 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
13485 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
13488 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
13490 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
13492 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
13494 * gcse.c (post_dominators): Kill.
13495 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
13496 (compute_code_hoist_data): Use compute_flow_dominators. Do not
13497 pass in a pdom array since we do not need pdoms.
13498 * haifa-sched.c (schedule_insns): Similarly.
13499 * flow.c (compute_dominators): Remove dead function.
13500 (compute_flow_dominators): Do not compute doms or pdoms if the
13501 caller does not request them. Split up loop to build doms and
13502 pdoms. Use a worklist to compute doms and pdoms.
13503 * basic-block.h (compute_dominators): Remove prototype.
13505 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
13507 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
13508 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
13509 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
13510 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
13511 (cant_move, fed_by_spec_load, is_load_insn): Remove.
13512 (schedule_region): Remove unused variable.
13513 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
13515 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
13517 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
13518 (update_equiv_regs): Likewise.
13519 (block_alloc): Likewise.
13520 * reg-stack.c (reg_to_stack): Likewise.
13521 (convert_regs_2): Likewise.
13522 * reload1.c (reload_as_needed): Likewise.
13524 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
13526 * Makefile.in (dbxout.o): Depend on ggc.h.
13527 (dwarf2out.o): Likewise.
13528 (xcoffout.o): Likewise.
13529 * dbxout.c: Include ggc.h.
13530 (dbxout_init): Register lastfile as a root.
13531 * dwarf2out.c: Include ggc.h.
13532 (dwarf2out_line): Register lastfile as a root.
13533 * xcoffout.c: Include ggc.h.
13534 (xcoffout_source_line): Register xcoff_lastfile as a root.
13536 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
13538 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
13540 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
13542 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
13544 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13546 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13548 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
13549 (EXECUTE_IF_CONFLICT): Likewise.
13550 (ALLOCNO_LIVE_P): Avoid signed division.
13551 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
13552 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
13553 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
13555 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
13557 * haifa-sched.c (schedule_block): Don't crash if there's no
13558 next insn for an interblock movement.
13559 (add_branch_dependences): Don't allow clobber insns to move either.
13561 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
13563 * i386.c (split_xf): New.
13564 * i386-protos.h: Declare it.
13565 * i386.md (movxf_1): Add general regs alternatives.
13566 (movxf_1+1): New splitter for same.
13568 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
13570 * function.c (purge_addressof_1): Add missing return values.
13572 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
13574 * function.c (is_addressof): New function. Returns true if
13575 the given piece of RTL is an ADDRESSOF.
13576 (purge_addressof_1): Make boolean. Return false if the
13577 ADDRESSOFs could not be purged.
13578 (purge_addressof): If ADDRESSOFs could not be purged from the
13579 notes attached to an insn, remove the offending note(s),
13580 unless they are attached to a libcall.
13582 1999-11-05 Andreas Jaeger <aj@suse.de>
13584 * genoutput.c (null_operand =): Initialize all fields.
13586 * errors.h: Add extern to prototypes.
13588 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
13590 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
13591 * configure: Rebuilt.
13593 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13595 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
13596 (mirror_conflicts): New function.
13597 (global_alloc): Call it.
13598 (expand_preferences): Remove redundant CONFLICTP test.
13599 (find_reg, dump_conflicts): Likewise.
13600 (prune_preferences): Process conflicts one word at a time.
13602 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
13604 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
13605 instead of an explicit loop.
13607 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
13609 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
13610 if REG_RETVAL check succeeds, then put classp in src_elt.
13612 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
13614 * function.c (pad_to_arg_alignment): Only update argument_pad
13615 if the argument's alignment is greater than STACK_BOUNDARY.
13617 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
13619 * bitmap.h (BITMAP_XFREE): New.
13620 * flow.c (life_analysis): Use it.
13621 (life_analysis_1): Free blocks.
13623 * combine.c (undo_commit): New.
13624 (try_combine): Use it. Don't zap undobuf.undos.
13625 (combine_instructions): Don't zap undobuf.undos; free the
13626 undobuf.frees list.
13628 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
13630 * stmt.c (cost_table_): New.
13631 (estimate_case_costs): Use it instead of xmalloc.
13633 * toplev.c (compile_file): Reuse dumpname memory instead
13636 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
13638 * reg-stack.c (convert_regs_1): Initialize target_stack->top
13639 after verifying an EH edge.
13641 * haifa-sched.c (init_rgn_data_dependences): Correctly
13642 size bb_pending_lists_length when zeroing.
13644 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
13646 * function.c (diddle_return_value): New.
13647 (expand_function_end): Use it.
13648 * stmt.c (expand_null_return): Likewise.
13649 (expand_value_return): Likewise.
13651 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
13653 * reload1.c (reload): Don't remove return value clobbers.
13655 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
13657 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
13659 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
13661 * cse.c (cse_main): Use xmalloc, not alloca.
13662 (cse_basic_block): Likewise.
13663 * local-alloc.c (local_alloc): Likewise.
13665 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
13666 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13668 * rtl.c: Include toplev.h.
13669 (fatal): Remove declaration.
13671 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
13673 * haifa-sched.c (schedule_block): Fix thinko.
13675 1999-11-03 James McKelvey <mckelvey@fafnir.com>
13677 * fixinc/fixincl.c(create_file): Allow for systems that do not have
13678 S_IR* defined values
13680 1999-11-03 Philippe De Muyter <phdm@macqel.be>
13682 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
13683 call `malloc' instead.
13685 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
13687 * flags.h (flag_renumber_insns): Declare.
13688 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
13690 * rtl.h (renumber_insns): Change prototype.
13691 * toplev.c (flag_renumber_insns): Define.
13692 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
13694 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
13696 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
13697 and fpsqrtd. Use them and create fdiv function unit to more
13698 accurately represent fpu sqrt pipeline semantics on UltraSparc.
13699 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
13701 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
13703 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
13705 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
13706 insn into ready list, do not use just a raw swap.
13708 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
13710 * rtl.h (renumber_insns): New function.
13711 (remove_unnecessary_notes): Likewise.
13712 * emit-rtl.c (renumber_insns): Define.
13713 (remove_unncessary_notes): Likewise.
13714 * toplev.c (rest_of_compilation): Remove dead code.
13715 Use renumber_insns and remove_unncessary_notes.
13717 * gcse.c (struct null_pointer_info): New type.
13718 (get_bitmap_width): New function.
13719 (current_block): Remove.
13720 (nonnull_local): Likewise.
13721 (nonnull_killed): Likewise.
13722 (invalidate_nonnull_info): Take a null_pointer_info as input.
13723 (delete_null_pointer_checks_1): New function.
13724 (delete_null_pointer_checks): Use it.
13726 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
13727 (split_edges): Likewise.
13728 (schedule_block): Likewise.
13729 (compute_block_backward_dependencies): Likewise.
13730 (schedule_region): Likewise.
13731 (schedule_insns): Likewise.
13733 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
13735 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
13736 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
13737 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
13738 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
13739 * jump.c (delete_unreferenced_labels): Don't delete if
13740 LABEL_ALTERNATE_NAME is set.
13741 * print-rtl.c (print_rtx): Dump alternate name.
13742 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
13743 * rtl.h (LABEL_ALTERNATE_NAME): Define.
13744 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
13745 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
13747 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13749 * fix-header.c (recognized_extern, recognized_function): Constify
13752 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
13753 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13754 (compute_available): Remove unused variable `last'.
13755 (compute_nearerout): Remove unused variable `temp_bitmap'.
13756 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
13757 Remove unused variable `x'.
13759 * scan.h (recognized_function, recognized_extern): Constify a
13762 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
13764 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13766 * varasm.c (decode_rtx_const): Use XSTR to access the string
13769 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
13771 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
13773 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13775 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
13777 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
13779 * pa.c (ireg_operand): New function.
13780 * pa.h (PREDICATE_CODES): Handle ireg_operand.
13781 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
13782 Fix out of date comment.
13784 * pa.md (negdi2): Turn into expander + anonymous pattern.
13786 * reload.c (find_reloads): Fix typos in recent change.
13788 * dwarf2out.c: Do not include ctype.h.
13790 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13792 * regclass.c (record_reg_classes): Always use may_move_cost when
13793 seeing how operand fits with various register classes.
13795 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
13797 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
13798 * toplev.c: Revert Nov 1 13:22 change.
13800 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
13802 * config/pa/pa.md (height reduction patterns): Add checks for
13803 overlapping operands to avoid semantic-destroying splits for
13804 height reduction patterns.
13806 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13808 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
13809 have been an hyphen, fixed.
13810 * configure: Rebuilt.
13812 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
13814 * config/arm/tpe.h: Add prototypes for exported functions.
13815 * config/arm/pe.c: Fix compile time warnings.
13816 * config/arm/semi.h: Fix compile time warnings.
13817 * config/arm/arm.c: Fix compile time warnings.
13818 * config/arm/arm.h: Fix compile time warnings.
13819 * config/arm/arm.md: Fix compile time warnings.
13820 * config/arm/thumb.c: Fix compile time warnings.
13821 * config/arm/thumb.h: Fix compile time warnings.
13822 * config/arm/thumb.md: Fix compile time warnings.
13824 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
13826 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
13829 * unroll.c (unroll_loop): Remove LOOP notes when loop is
13830 completely unrolled.
13832 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13834 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
13836 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
13838 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
13839 * rtl.h (rtx_equal_p): Move prototype.
13840 * rtl.c (rtx_equal_function_value_matters): Move from
13842 (rtx_equal_p): Likewise.
13843 * rtlanal.c (rtx_equal_function_value_matters): Delete.
13844 (rtx_equal_p): Likewise.
13846 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13848 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
13849 ! HAS_INIT_SECTION.
13851 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
13853 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
13855 * pa.h (ADDR_VEC_ALIGN): Define.
13857 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
13858 notes when presented with "if (foo) break; end_of_loop" and
13859 the break sequence gets moved out of the loop.
13861 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
13862 Remove explicit zero initializations of entries within MAP.
13864 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
13866 * reg-stack.c (convert_regs_1): Handle EH edges specially.
13868 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
13870 * bitmap.h (BITMAP_XMALLOC): New macro.
13871 * flow.c (CLEAN_ALLOCA): Remove.
13872 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
13873 (life_analysis): Likewise.
13874 (update_life_info): Don't use CLEAN_ALLOCA.
13875 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
13876 (calculate_global_regs_live): Likewise.
13877 (print_rtl_with_bb): Likewise.
13878 (verify_flow_info): Likewise.
13879 * global.c (global_alloc): Likewise.
13880 (global_conflicts): Likewise.
13881 * integrate.c (save_for_inline_nocopy): Likewise.
13882 (expand_inline_function): Likewise.
13883 * jump.c (jump_optimize_1): Likewise.
13884 (duplicate_loop_exit_test): Likewise.
13885 (thread_jumps): Likewise.
13886 * loop.c (loop_optimize): Likewise.
13887 (combine_givs): Likewise.
13888 (recombine_givs): Likewise.
13889 * reorg.c (dbr_schedule): Likewise.
13890 * unroll.c (unroll_loop): Likewise.
13892 * combine.c (combine_instructions): Use xmalloc instead of alloca.
13894 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
13896 * toplev.c (rest_of_compilation): Don't optimize the CFG
13897 when rebuilding, just before dbr.
13899 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13901 * output.h (assemble_end_function, assemble_destructor,
13902 assemble_constructor, assemble_gc_entry, assemble_global,
13903 assemble_label, output_constant_pool) Constify a char*.
13905 * varasm.c (assemble_destructor, assemble_constructor,
13906 assemble_gc_entry, assemble_end_function, assemble_global,
13907 assemble_label, output_constant_pool): Likewise.
13909 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
13911 * config/arm/thumb.c (thumb_expand_prologue): Add comments
13912 explaining what is goin on in this function.
13914 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13916 * regclass.c (record_reg_classes): In matching case, recompute
13917 costs since the direction of movement is different.
13919 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13921 * resource.c (mark_target_live_regs): For unconditional branches,
13922 the resources found at the branch target should be added to the
13923 resources found so far, not intersected.
13925 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
13927 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
13929 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
13930 (sys/mman.h): Include this file only if #HAVE_MMAP.
13931 (run_compiles): Initialize `esac_fmt' with one old KR string, not
13932 with automatically concatenated ANSI strings.
13934 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
13936 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
13937 (DIV_ROUND_UP): Robustify.
13938 (ggc_recalculate_in_use_p): New function.
13939 (release_pages): Don't inline it.
13940 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
13942 (ggc_pop_context): Use ggc_recalculate_in_use_p.
13943 (clear_marks): Always save in_use_p.
13944 (sweep_pages): Use ggc_recalculate_in_use_p.
13945 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
13946 Release pages before counting statistics.
13948 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
13950 * toplev.c (rest_of_compilation): Fix thinko in this change:
13952 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
13954 (rest_of_compilation): If inside an inlined external function,
13955 pretend we are just being declared.
13957 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
13959 * flow.c (calculate_global_regs_live): Fix thinko.
13961 * integrate.c (expand_inline_function): Fix bugs in previous
13962 change from Oct 28, 1999.
13964 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
13966 * stmt.c (expand_value_return): Fix typo in this change:
13968 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13969 (expand_value_return): Correctly convert VAL when promoting function
13970 return; support RETURN_REG being a PARALLEL.
13972 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
13974 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
13976 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13978 * hard-reg-set.h (reg_names): Constify a char*.
13980 * regclass.c (reg_names): Likewise.
13982 * regs.h (reg_names): Likewise
13984 * a29k/a29k.c (reg_names): Delete declaration.
13986 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
13988 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
13989 arc_output_function_epilogue): Likewise.
13991 * elxsi/elxsi.c (reg_names): Likewise.
13993 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
13995 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
13998 * m88k/m88k.c (output_function_profiler): Likewise.
14000 * sparc/sparc.c (sparc_flat_output_function_prologue,
14001 sparc_flat_output_function_epilogue): Likewise.
14003 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
14005 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
14006 warning from -Wuninitialized and put it under -W.
14007 * function.c (uninitialized_vars_warning): Warn only when the
14008 corresponding flag is set.
14010 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
14012 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
14013 is nonzero and the single set does not have an elt, then assign
14016 * simplify-rtx.c: New file.
14017 * Makefile.in (OBJS): Add simplify-rtx.o
14018 (simplify-rtx.o): Add dependencies.
14019 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
14020 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
14021 (cse_gen_binary, simplify_unary_operation): Delete.
14022 (simplify_binary_operation, simplify_plus_minus): Likewise.
14023 (check_fold_consts, simplify_relation_operation): Likewise.
14024 (simplify_ternary_operation): Likewise.
14025 (delete_trivially_dead_insns): Simplify the contents of the
14026 REG_EQUAL note before trying to substitute it into the source
14027 of the reg-reg copy at the end of a libcall sequence.
14029 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
14030 references/callers changed.
14032 * mn10200.c (mn10200_va_arg): Force the return value into a
14035 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
14037 * cccp.c (macroexpand): Avoid out of range accesses for omitted
14040 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
14042 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
14044 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
14046 * fold-const.c (fold): Fix thinko when optimizing comparisons
14049 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
14051 * gcc.texi (Passes): Update front-end files to their current
14054 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
14056 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
14057 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
14058 (PREDICATE_CODES): Add addition_operation.
14059 * alpha-protos.h (addition_operation): Declare.
14060 (secondary_reload_class): Likewise.
14061 * alpha.c (addition_operation): New.
14062 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
14063 * alpha.md (adddi3): Turn into expander.
14064 (*lda, *adddi_2): New.
14065 (movsf, movdf patterns): Don't preference integer regs.
14066 (movsi, movdi patterns): Don't preference fp regs.
14068 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
14070 * genrecog.c (write_switch): Check for duplicate CODE cases.
14072 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
14074 * ggc-common.c: Update pre-function commentary.
14075 * ggc-page.c: Likewise.
14077 (poison_pages): Use memset directly.
14078 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
14079 (ggc_collect): Poison before sweeping.
14080 * ggc-simple.c: Update pre-function commentary.
14081 (ggc_alloc_obj): Poison non-zeroed memory.
14083 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
14085 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
14086 match format string, even on 64-bit hosts.
14087 * gcc-page.c (ggc_page_print_statistics): Likewise.
14089 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
14091 * config/i386/i386.c (ix86_cpu): Revert last patch.
14092 * config/i386/i386.h (ix86_cpu): Ditto.
14094 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
14096 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
14097 TYPE_SIZE, convert type of result to sizetype.
14099 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
14101 * flow.c (count_or_remove_death_notes): Equate NULL with the
14104 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
14105 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
14108 * i386.c (pic_label_no): Delete.
14109 (ix86_attr_length_default): Don't use single_set to peek
14112 * recog.c (peephole2_optimize): Allow recog_next_insn to index
14113 the first insn after bb->end.
14114 * i386.md (push mem peeps): Scratch is live after evaluation
14116 (cmp mem peep): Similarly.
14118 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
14120 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
14121 * function.c (pad_to_arg_alignment): Add missing braces.
14123 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14125 * alpha/alpha-protos.h (literal_section): Add prototype.
14126 (alpha_need_linkage, alpha_start_function,alpha_end_function):
14129 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
14131 (alpha_start_function, alpha_end_function, float_strings,
14132 alpha_need_linkage): Constify a char*
14134 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
14136 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
14138 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
14140 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
14142 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14144 * flow.c (debug_flow_info): Add prototype.
14146 * gcc.c (main): Likewise.
14148 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
14151 * reload1.c (failed_reload, set_reload_reg): Likewise.
14153 * mips-tfile.c (main): Likewise.
14154 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
14155 with ATTRIBUTE_NORETURN.
14157 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
14159 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
14160 DECL is not a memory ref.
14162 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
14164 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
14165 * config/i386/i386.c (ix86_cpu): Add extern attribute.
14167 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
14169 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
14170 * config/mips/elf64.h: ditto.
14172 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
14174 * expr.c (emit_push_insn): New argument alignment_pad.
14175 Update all callers. Adjust stack pointer based on alignment pad.
14176 * function.c (pad_to_arg_alignment): New argument alignment_pad.
14177 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
14178 (locate_and_pad_parm): New argument alignment_pad. Update all
14180 * expr.h (emit_push_insn): Update prototype.
14181 (locate_and_pad_parm): Update prototype.
14182 * calls.c (arg_data): Add new field alignment_pad.
14183 (initialize_argument_information): Initialize alignment_pad.
14185 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
14187 * except.c (free_eh_nesting_info): Free the info itself.
14188 * function.c (free_after_compilation): Don't free NULL.
14189 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
14190 (pre_edge_insert): Free inserted.
14191 * stmt.c (free_stmt_status): Don't free NULL.
14193 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14195 * gcov.c (DIR_SEPARATOR): Provide default.
14196 (output_data): Add test for MS-DOS format absolute filename.
14197 (fancy_abort): Correct program name.
14198 (open_files): Open all files in binary mode.
14199 * libgcc2.c (__bb_exit_func): Likewise.
14201 * profile.c (init_branch_prob): Specify binary when opening files.
14203 * flags.h (flag_unwind_tables): New decl.
14204 * toplev.c (flag_unwind_table): New definition.
14205 (f_options): Add -funwind-tables.
14206 (decode_g_option): Clarify warning when unknown -g option is given.
14207 (rest_of_compilation): If inside an inlined external function,
14208 pretend we are just being declared.
14210 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
14211 (dwarf2out_frame_finish): Likewise.
14213 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
14215 * fold-const.c (merge_ranges): If not in0, but in1, handle
14216 upper bounds equal like subset case.
14218 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
14220 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
14221 passed in a register but moved to the stack.
14223 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
14225 * gcc.c (pass_exit_codes, greatest_status): New variables.
14226 (struct option_map): Add entry for "--pass-exit-codes".
14227 (execute): Update greatest_status if error.
14228 (display_help): Add documentation for -pass-exit-codes.
14229 (process_command): Handle -pass-exit-codes.
14230 (main): Look at pass_exit_codes and greatest_status on call to exit.
14232 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14234 * reload.c (find_reloads): Refine test for no input reload
14235 case to not includes reloads emitted after insn.
14237 * function.c (find_temp_slots_from_address): Handle sum involving
14238 a register that points to a temp slot.
14239 (update_temp_slot_address): Make recursive call if both old and
14240 new are PLUS with a common operand.
14241 * calls.c (expand_call): Mark temp slot for result as having
14244 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
14246 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
14247 component as well as "BINUTILS".
14249 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
14250 * integrate.c (copy_rtx_and_substitute): Likewise.
14251 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
14252 All callers changed.
14253 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
14255 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
14256 gdb extensions, write size of type; also be more consistent
14257 in using references when this is a subtype.
14259 * pa.md (extv, extzv, insv): Use define_expand to reject constant
14260 that is out of range.
14262 * loop.c (unknown_constant_address_altered): New variable.
14263 (prescan_loop): Initialize it.
14264 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
14265 (invariant_p, case MEM): Remove handling for volatile and readonly;
14266 check new variable if readonly.
14267 (check_dbra_loop): Chdeck unknown_constant_address_altered.
14269 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
14270 (addr_affects_sp_p): Removed from note_mem_written and only
14271 define #ifdef AUTO_INC_DEC.
14273 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
14275 * regclass.c (record_reg_classes): Properly handle register move
14278 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
14279 Don't think valid if both operands are invalid.
14280 (struct constant_descriptor): New field RTL.
14281 (mark_const_hash_entry): Mark it.
14282 (record_constant{,_rtx}): Initialize it.
14283 (output_constant_def): Allocate RTL in permanent obstack and
14285 ({record,compare}_constant_1): Modes must match for
14286 CONSTRUCTOR of ARRAY_TYPE.
14288 * c-common.h (initializer_constant_valid_p): Delete decl from here.
14289 * output.h (initializer_constant_valid_p): Move decl to here.
14290 * c-common.c (initializer_constant_valid_p): Delete function from here.
14291 * varasm.c (initializer_constant_valid_p): Move function to here.
14293 * tree.h (STRIP_SIGN_NOPS): New macro.
14294 * fold-const.c (optimize_minmax_comparison): New function.
14295 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
14296 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
14297 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
14298 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
14299 widening conversions.
14300 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
14301 to look at size of mode, not precision of type; also add missing cases.
14302 (optimize_bit_field_compare, decode_field_reference): Don't try to
14303 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
14305 * dwarf2out.c (ctype.h): Include.
14306 (dwarf2out_set_demangle_name_func): New function.
14307 (size_of_line_info): Deleted.
14308 (output_line_info): Compute size of line info table from difference
14310 (base_type_die, add_name_attribute): Call demangle function, if any.
14311 (field_byte_offset): Use bits per word for variable length fields.
14312 (gen_array_type_die): Add array name.
14313 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
14314 (dwarf2out_add_library_unit_info): New function.
14316 * explow.c (set_stack_check_libfunc): New function.
14317 (stack_check_libfunc): New static variable.
14318 (probe_stack_range): Allow front-end to set up a libfunc to call.
14320 * combine.c (simplify_comparison): When making comparison in wider
14321 mode, check for having commuted an AND and a SUBREG.
14322 (contains_muldiv): New function.
14323 (try_combine): Call it when dividing a PARALLEL.
14324 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
14325 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
14327 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
14328 use one of the CLOBBERs instead.
14329 (if_then_else_cond): If comparing against zero, just return thing
14332 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
14333 Don't generate shifts and subtract if have conditional arithmetic.
14335 * rtl.h (delete_barrier): New declaration.
14336 * jump.c (jump_optimize): Set up to handle conditional call.
14337 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
14338 (delete_barrier): New function.
14340 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
14342 * recog.c (nonmemory_operand): Accept ADDRESSOF.
14344 * tree.c (build_type_attribute_variant): Push to obstack of
14345 ttype around type_hash_canon call.
14347 * expr.c (placeholder_list): Move decl to file scope.
14348 (expand_expr): Don't force access to volatile just because its
14350 If ignoring reference operations, just expand the operands.
14351 (expand_expr, case COMPONENT_REF): Propagate
14352 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
14353 Refine test for using bitfield operations vs pointer punning.
14354 (expand_expr, case CONVERT_EXPR): If converting to
14355 BLKmode UNION_TYPE from BLKmode, just return inner object.
14356 Use proper mode in store_field call.
14357 Properly set sizes of object to store and total size in store_field
14358 call for convert to union.
14359 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
14360 memory (like for ADDR_EXPR). Also, don't put constant in register if
14361 we'll want it in memory.
14362 (readonly_fields_p): New function.
14363 (expand_expr, case INDIRECT_REF): Call it if LHS.
14364 (expand_assignment): Handle a RESULT_DECL where
14365 DECL_RTL is a PARALLEL.
14366 (do_jump, case WITH_RECORD_EXPR): New case.
14367 (get_inner_reference): Always go inside a CONVERT_EXPR
14368 and NOP_EXPR if both modes are the same.
14369 (store_field): Use bitfield operations if size of bitsize is not same
14370 as size of RHS's type.
14371 Check for bitpos not a multiple of alignment in BLKmode case.
14372 Do block move in largest possible alignment.
14373 (store_constructor): Set BITSIZE to -1 for variable size and properly
14374 in case of array of BLKmode.
14375 (expand_expr_unaligned): New function.
14376 (do_compare_and_jump): Call it.
14378 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
14379 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
14380 does not include 'o'.
14382 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
14383 both SET_DEST and SET_SRC reference a virtual register.
14384 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
14386 * integrate.c (expand_inline_function): Handle case of setting
14387 virtual stack vars register (from built in setjmp); when parameter
14388 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
14389 (subst_constant): Add new parm, MEMONLY.
14390 (expand_inline_function, integrate_parm_decls): Pass new parm.
14391 (integrate_decl_tree): Likewise.
14392 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
14393 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
14394 (copy_rtx_and_substitute, case SET): Add explicit calls to
14395 copy_rtx_and_substitute for both sides.
14397 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
14399 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
14400 within INDEX_TYPE, instead of before.
14401 (fixup_gotos): Use f->target_rtl, not the next insn,
14402 since latter may be from a later fixup.
14403 (expand_value_return): Correctly convert VAL when promoting function
14404 return; support RETURN_REG being a PARALLEL.
14405 (expand_return): When checking for result in regs and having
14406 cleanup, consider PARALLEL in DECL_RTL as being in regs.
14408 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
14410 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
14411 last_nominal_fname): Mark const.
14412 (struct include_hash: name, nshort, control_macro): Mark
14414 (struct macrodef: symnam): Mark const.
14415 (struct if_stack: fname): Mark const.
14416 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
14417 (IStable): New character-syntax array which encompasses all
14418 the old is_foo arrays.
14419 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
14420 is_space): New macros for interrogating IStable.
14421 (check_macro_name): Kill last argument. All callers changed.
14423 * cppinit.c (initialize_char_syntax): Delete.
14424 (is_idchar, is_idstart, is_hor_space, is_space,
14425 trigraph_table): Delete.
14426 (IStable): New. Initialize with clever macros to avoid
14427 information duplication.
14428 (builtin_array): Table of builtins to get rid of explicit list
14429 in initialize_builtins.
14430 (initialize_builtins): Use builtins_array.
14431 (cpp_start_read): Call init_IStable, and set IStable['$'] if
14432 opts->dollars_in_ident.
14434 * cppexp.c: Change all refs to is_xyz[] arrays to use new
14436 (cpp_parse_expr): Avoid 'format string is not constant'
14437 warning. Use ISGRAPH to identify printable chars.
14438 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
14440 (read_and_prescan): Map trigraphs to chars with open-coded
14441 if-else-if-... sequence, not a lookup table.
14442 * cpphash.c: Change all refs to is_xyz[] arrays to use new
14444 * cpplib.c: Change all refs to is_xyz[] arrays to use new
14445 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
14446 (check_macro_name): Remove ability to report an invalid
14447 assertion name, which is never used.
14448 (do_line): Constify a couple of char *'s.
14449 * cppmain.c (main): Call cpp_cleanup before returning.
14451 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
14453 * ggc.h (struct ggc_statistics): New type.
14454 (ggc_get_size): New function.
14455 (ggc_print_statistics): Likewise.
14456 * ggc-common.c (ggc_stats): New variable.
14457 (ggc_mark_rtx_children): Keep statistics.
14458 (ggc_mark_tree_children): Likewise.
14459 (ggc_print_statistics): New function.
14460 * ggc-page.c (struct globals): Add bytes_mapped field.
14461 (alloc_anon): Update it.
14462 (release_pages): Likewise.
14463 (ggc_get_size): New function.
14464 (ggc_page_print_statistics): New function.
14465 * ggc-simple.c (ggc_get_size): New function.
14467 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
14469 * flow.c (propagate_block): When the last reference to a label
14470 before an ADDR_VEC is deleted because the reference is a dead
14471 store, delete the ADDR_VEC.
14473 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
14475 * resource.c (find_free_register): Don't use the frame pointer
14476 if frame_pointer_needed.
14478 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
14480 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
14481 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
14483 * config/i960/i960.c (i960_va_start): New locals base, num.
14484 Use INDIRECT_REF instead of ARRAY_REF on valist.
14485 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
14487 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
14489 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
14491 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
14493 * tree.def (PLACEHOLDER_EXPR): Update comments.
14495 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14497 * c-common.c (check_format_info): Avoid non-literal format string
14498 warnings when `first_arg_num' is zero.
14500 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14502 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
14504 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
14506 * arm.md (casesi_insn): Add a clobber of the condition code
14509 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
14511 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
14512 used by both cc1 and cc1plus.
14514 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
14516 * config/arm/arm.c: Initialise arm_structure_size_boundary to
14517 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
14518 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
14519 to the value 32 if it has not already been defined.
14520 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
14521 Override definition in arm.h with a value of 8.
14523 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
14525 * c-pragma.c (push_alignment): Don't check the return value
14528 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
14530 * sparc.h (ADJUST_COST): Fix thinko.
14532 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
14534 * cccp.c (rescan): Fixed obp pointer handling around call to
14535 check_expand subroutine.
14537 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
14539 * gcse.c (delete_null_pointer_checks): Only record non-null info
14540 for pseudos when examining stores.
14542 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
14543 splitters for these patterns. Use "#" for output templates.
14544 (addsi3_carryin_shift): New pattern.
14546 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
14548 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
14549 of the function return register into a plain REG until
14550 after function inlining is done.
14552 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14554 * jump.c (jump_optimize_1): If we did cross-jumping, and
14555 the data will matter, rebuild the CFG.
14556 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
14557 not optimizing. Don't run shorten_branches.
14558 * toplev.c (rest_of_compilation): Run shorten_branches after
14561 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
14563 * rtl.h (note_stores): Add additional paramter.
14564 * rtlanal.c (reg_set_p_1): Take additional paramter.
14565 (reg_set_last_1): Likewise.
14566 (reg_set_p): Adjust call to note_stores.
14567 (reg_set_last): Likewise.
14568 (note_stores): Pass data parameter to worker function.
14569 * alias.c (record_set): Take additional parameter.
14570 (init_alias_analysis): Pass it.
14571 * caller-save.c (mark_set_regs): Take additional parameter.
14572 (save_call_clobbered_regs): Pass NULL to note_stores.
14573 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
14575 (record_dead_and_set_regs_1): Likewise.
14576 (reg_dead_at_p_1): Likewise.
14577 (combine_instructions): Adjust calls to note_stores.
14578 (try_combine): Likewise.
14579 (record_dead_insn): Remove.
14580 (record_dead_and_set_regs): Adjust calls to note_stores.
14581 (reg_dead_at_p): Likewise.
14582 * cse.c (invalidate_skipped_set): Take additional parameter.
14583 (cse_check_loop_start): Likewise.
14584 (cse_check_loop_start_value): Remove.
14585 (cse_set_around_loop): Adjust calls to note_stores.
14586 * flow.c (notice_stack_pointer_modification): Take additional
14587 parameter. Remove duplicate declaration.
14588 (record_volatile_insns): Adjust calls to note_stores.
14589 * gcse.c (record_set_info): Take additional parameter.
14590 (record_last_set_info): Likewise.
14591 (invalidate_nonnull_info): Likewise.
14592 (record_set_insn): Remove.
14593 (compute_sets): Adjust calls to note_stores.
14594 (last_set_insn): Remove.
14595 (compute_hash_table): Adjust calls to note_stores.
14596 (insert_insn_end_bb): Likewise.
14597 (delete_null_pointer_checks): Likewise.
14598 * global.c (mark_reg_store): Take additional parameter.
14599 (mark_reg_clobber): Likewise.
14600 (reg_becomes_live): Likewise.
14601 (global_conflicts): Adjust calls to note_stores.
14602 (build_insn_chain): Likewise.
14603 * integrate.c (note_modified_parmregs): Take additional parameter.
14604 (mark_stores): Likewise. Make it static.
14605 (save_for_inline_nocopy): Adjust calls to note_stores.
14606 (try_constants): Likewise.
14607 * integrate.h (mark_stores): Remove declaration.
14608 * jump.c (mark_modified_reg): Take additional parameter.
14609 (thread_jumps): Adjust calls to note_stores.
14610 * local-alloc.c (validate_equiv_mem_from_store): Take additional
14612 (no_equiv): Likewise.
14613 (reg_is_set): Likewise.
14614 (validate_equiv_mem): Adjust calls to note_stores.
14615 (update_equiv_regs): Likewise.
14616 (block_alloc): Likewise.
14617 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
14618 (note_addr_stored): Take additional parameter.
14619 (note_set_pseudo_multiple_uses): Likewise.
14620 (record_initial): Likewise.
14621 (prescan_loop): Adjust calls to note_stores.
14622 (strength_reduce): Likewise.
14623 (check_dbra_loop): Likewise.
14624 * regmove.c (flags_set_1): Take additional paramter.
14625 (mark_flags_life_zones): Adjust calls to note_stores.
14626 * reload1.c (mark_not_eliminable): Take additional parameter.
14627 (forget_old_reloads_1): Likewise.
14628 (reload_cse_invalidate_rtx): Likewise.
14629 (reload_cse_check_clobber): Likewise.
14630 (reload_combine_note_store): Likewise.
14631 (move2add_note_store): Likewise.
14632 (reload): Adjust calls to note_stores.
14633 (reload_as_needed): Likewise.
14634 (emit_reload_insns): Likewise.
14635 (reload_cse_regs_1): Likewise.
14636 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
14637 (reload_combine): Adjust calls to note_stores.
14638 * resource.c (update_live_status): Take additional paramter.
14639 (mark_target_live_regs): Adjust calls to note_stores.
14640 * stupid.c (find_clobbered_regs): Take additional parameter.
14641 (stupid_life_analysis): Adjust calls to note_stores.
14643 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
14645 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
14648 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
14651 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
14652 of the variable arm_structure_size_boundary.
14654 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
14656 * alias.c (init_alias_analysis): Allocate reg_known_value and
14657 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
14659 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
14660 * cse.c (cse_main): Call end_alias_analysis.
14661 * haifa-sched.c (schedule_insns): Likewise.
14662 * local-alloc. (update_equiv_regs): Likewise.
14663 * reload1.c (reload_cse_regs): Likewise.
14665 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14667 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
14668 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
14669 mapping from MASK_FPU.
14671 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
14673 * sparc.md (call): Don't bound structure return size to 0xfff.
14675 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
14677 * resource.c (mark_target_live_regs): Check that the target
14678 insn wasn't created after compute_bb_for_insn.
14680 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
14682 * ggc-page.c (poison_pages): Don't be overzealous.
14684 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
14686 * alias.c: Update comments for ADDRESS.
14687 (nonlocal_reference_p): Look inside the ADDRESS to determine if
14688 it is a local memory reference.
14690 * c-typeck.c (build_function_call): Check that the built-in
14691 function is of class BUILT_IN_NORMAL before trying to recongize
14692 it as BUILT_IN_ABS.
14693 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
14694 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
14696 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
14698 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
14700 (pre_gcse): Likewise.
14701 (hoist_expr_reaches_here_p): Likewise.
14702 (hoist_code): Likewise.
14703 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
14705 (pre_expr_reaches_here_p_work): ... here.
14706 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
14708 (expr_reaches_here_p_work): ... here.
14710 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
14712 * resource.c (find_basic_block): Delete.
14713 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
14714 (init_resource_info): Call compute_bb_for_insn.
14716 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
14718 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
14719 with already adjacent blocks, but no fallthru.
14720 (merge_blocks_move_successor_nojumps): Simplify.
14721 (debug_flow_info): New.
14723 * toplev.c (rest_of_compilation): Open jump1 dump file before
14724 jump and close after, as opposed to just using dump_rtl.
14726 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14728 * reload.h (earlyclobber_operand_p): Declare.
14729 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
14730 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14731 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
14732 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
14734 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
14735 Richard Henderson <rth@cygnus.com>
14737 * emit-rtl.c (emit_block_insn_before): New.
14738 (emit_block_insn_after): New.
14739 * basic-block.h: Declare them.
14741 * bitmap.h: Protect from multiple inclusion.
14743 * recog.c (scratch_operand): Handle VOIDmode correctly.
14745 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
14747 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
14748 * function.c (assign_parms): Likewise.
14749 * global.c (global_conflicts): Clarify STACK_REGS commentary.
14751 * reg-stack.c (max_uid): Remove.
14752 (blocks, block_begin, block_end, block_drops_in): Remove.
14753 (block_stack_in, block_out_reg_set, block_number): Remove.
14754 (struct block_info_def, BLOCK_INFO): New.
14755 (enum emit_where): New.
14756 (current_block): New.
14757 (BLOCK_NUM): Remove.
14758 (mark_regs_pat, record_label_references): Remove.
14759 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
14761 (goto_block_pat, print_blocks, dump_stack_info): Remove.
14762 (reg_to_stack): Simplified test for existance of fp code. Use
14763 flow.c code. Call shorten_branches after cross-jump opt.
14764 (check_asm_stack_operands): Renamed from record_asm_reg_life.
14765 Return false if the asm doesn't use stack regs. Don't do life
14766 analysis on the asm.
14767 (emit_pop_insn): Replace function pointer arg `when' with
14768 enum `where'. Update all callers.
14769 (change_stack): Likewise. Update basic block end.
14770 (emit_swap_insn): Use current_block->head to limit reverse search
14771 for start of block. Use emit_block_insn_after.
14772 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
14773 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
14774 structure assignment instead of bcopy.
14775 (print_stack): New.
14776 (convert_regs_entry, convert_regs_exit): New.
14777 (convert_regs_1, convert_regs_2): Split out from convert_regs.
14778 Work on basic blocks and the CFG.
14779 (convert_regs): Use them.
14781 * i386.c (output_fix_trunc): Remove code for DImode input operand
14782 not at top-of-stack.
14783 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
14785 (fix_truncdi_1): Allow any mode scratch.
14787 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
14789 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
14790 * linux.h, netbsd.h, vms.h: Not here.
14792 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
14794 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
14795 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
14796 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
14797 CONDITIONAL_REGISTER_USEAGE): Use them.
14798 * config/mips/mips.c (mips_move_1word,mips_move_2words,
14799 gen_conditional_branch,override_options) : Use them.
14800 * config/mips/mips.md : Use them.
14802 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
14804 * i386.md (zero_extendqihi2): Use SImode register name with andl.
14806 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
14808 * integrate.c (function_cannot_inline_p): Don't allow inlining
14811 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14813 * c-parse.in (cast_expr): Constify.
14815 * cccp.c (special_symbol): Likewise.
14817 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
14819 * dwarf2out.c (base_type_die): Likewise.
14821 * global.c (allocno_compare): Likewise.
14823 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
14825 * regclass.c (fix_register): Likewise.
14827 * rtl.h (fix_register): Likewise.
14829 * stupid.c (stupid_reg_compare): Likewise.
14831 * toplev.c (decode_f_option): Likewise.
14833 * tree.c (build_complex_type): Likewise.
14835 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
14837 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
14839 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14841 * reload.c (find_reloads): Compute mode and nregs fields of all
14843 * reload1.c (calculate_needs_all_insns): Simplify a bit.
14844 (calculate_needs): Use precomputed mode/nregs values.
14845 (allocate_reload_reg): Likewise.
14847 (failed_reload, set_reload_reg): ... new functions.
14848 (choose_reload_regs_init): New function, mostly broken out from...
14849 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
14850 Also lose one #if 0 block.
14852 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
14854 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
14857 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
14859 * tree.h (BLOCK_TYPE_TAGS): Remove.
14860 (BLOCK_END_NOTE): Likewise.
14861 (BLOCK_LIVE_RANGE_FLAG): Likewise.
14862 (BLOCK_LIVE_RANGE_START): Likewise.
14863 (BLOCK_LIVE_RANGE_END): Likewise.
14864 (tree_block): Remove live_range_flag, live_range_var_flag, and
14865 type_tags. Remove end_note, live_range_start, and live_range_end.
14866 (remember_end_note): Remove prototype.
14867 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
14868 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
14870 * ggc-common.c (ggc_mark_tree_children): Don't mark
14871 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
14872 * integrate.c (adjust_copied_decl_tree): Remove.
14873 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
14874 * stmt.c (last_block_end_note): Remove.
14875 (init_stmt): Don't add a GC root for it.
14876 (expand_fixup): Don't set it.
14877 (remember_end_note): Remove.
14878 (expand_end_bindings): Don't set last_block_end_note.
14880 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14882 * reload1.c (reload_reg_free_for_value_p): Show
14883 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
14886 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
14888 * expmed.c (extract_bit_field): Allow for the case of non-integer
14889 objects that are smaller than a word (like SFmode on a 64-bit
14892 * loop.c (basic_induction_var): A non-integer variable which is
14893 being set by a paradoxical subreg is probably not a biv.
14895 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14897 * prefix.c (translate_name) Check for empty prefix string.
14899 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
14901 * Makefile.in (CPP_CROSS_NAME): New variable.
14902 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
14904 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
14905 names of the files to be uninstalled.
14907 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
14909 * collect2.c (IS_DIR_SEPARATOR): Define.
14910 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
14912 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
14915 * haifa-sched.c (add_dependence): Update the true dependency
14916 cache the first time we add a true dependence to the LOG_LINKS chain.
14918 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
14920 * fold-const.c (fold): Fix comment.
14922 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14924 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
14925 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
14926 dbxout_start_new_source_file, dbxout_source_file,
14927 dbxout_source_line, dbxout_finish, dbxout_type_fields,
14928 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
14930 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
14931 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
14932 (dbxout_block): Initialize variable `blocknum'.
14934 * dbxout.h (dbxout_init, dbxout_finish,
14935 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
14936 dbxout_args, dbxout_source_line): Constify a char*.
14938 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
14939 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
14940 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
14941 low_pc_attribute, high_pc_attribute, body_begin_attribute,
14942 body_end_attribute, comp_dir_attribute, sf_names_attribute,
14943 src_info_attribute, mac_info_attribute, producer_attribute,
14944 lookup_filename, generate_macinfo_entry, fundamental_type_code,
14945 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
14946 dwarfout_undef): Constify a char*.
14947 (add_incomplete_type, retry_incomplete_types): Add prototypes.
14949 * dwarfout.h (dwarfout_define, dwarfout_undef,
14950 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
14952 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
14954 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
14955 (MULTILIB_ISA_DEFAULT): New.
14956 (MULTILIB_DEFAULTS): Use it.
14957 * config/mips/mips.c (): Remove the now unnecessary definition
14958 of MIPS_ISA_DEFAULT.
14959 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
14960 unnecessary definition.
14962 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
14964 * arm.md (pic_load_addr): Add constraints to operand 1.
14966 1999-10-25 Bruce Korb <autogen@linuxbox.com>
14968 * fixinc/genfixes: Provide a means for specifying -D options to
14971 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
14973 * arm.c (arm_override_options): Correct initialization of
14974 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
14975 arm_is_strong, and arm_is_6_or_7.
14977 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
14978 (note_set_pseudo_multiple_uses): New function.
14979 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
14980 if a pseudo set in the loop exit is used elsewhere.
14982 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
14984 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
14986 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
14988 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
14989 a single load-address pattern.
14991 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
14993 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
14994 depending on whether or not line-number notes are present.
14996 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14998 * cccp.c (progname, file_buf, default_include, include_file,
14999 macrodef, definition, hashval, wchar_type, user_label_prefix,
15000 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
15001 expand_to_temp_buffer, is_system_include, base_name,
15002 absolute_filename, read_name_map, open_include_file,
15003 record_control_macro, check_precompiled, check_preconditions,
15004 pcfinclude, pass_thru_directive, create_definition,
15005 check_macro_name, comp_def_part, collect_expansion,
15006 check_assertion, read_token_list, assertion_install,
15007 assertion_lookup, eval_if_expression, conditional_skip,
15008 validate_else, skip_quoted_string, quote_string, macarg1,
15009 error_from_errno, install, lookup, hashf, dump_defn_1,
15010 perror_with_name, pfatal_with_name, main, trigraph_pcp,
15011 check_white_space, rescan, handle_directive, monthnames,
15012 special_symbol, do_include, remap_include_file, write_output,
15013 arglist, do_assert, do_unassert, do_line, do_error, do_once,
15014 do_ident, do_sccs, do_xifdef, skip_if_group,
15015 output_line_directive, macroexpand, macarg, change_newlines,
15016 initialize_builtins, make_definition): Constify a char*.
15018 * pcp.h (stringdef): Likewise.
15020 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
15022 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
15025 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
15026 Richard Henderson <rth@cygnus.com>
15028 * alias.c: Include ggc.h.
15029 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
15030 (record_set): Verify enough room in reg_base_value.
15031 (init_alias_analysis): Allocate reg_base_value with xcalloc.
15032 Register it as a GC root.
15033 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
15034 * Makefile.in (alias.o): Depend on ggc.h.
15036 * unroll.c (unroll_loop): Verify the insn before a barrier
15037 is a JUMP_INSN before checking JUMP_LABEL.
15039 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15041 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
15042 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
15043 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
15044 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
15045 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
15046 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
15048 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15050 * output.h (ctors_section, dtors_section, bss_section): Prototype.
15052 * alpha/alpha-interix.h (text_section): Delete prototype.
15053 * alpha/elf.h (text_section): Likewise.
15054 * arm/linux-elf.h (text_section): Likewise.
15055 * arm/linux-telf.h (text_section): Likewise.
15056 * c4x/c4x.h (text_section): Likewise.
15057 * dsp16xx/dsp16xx.h (bss_section): Likewise.
15058 * elfos.h (text_section): Likewise.
15059 * i386/aix386ng.h (text_section): Likewise.
15060 * i386/i386-interix.h (text_section): Likewise.
15061 * i386/sco5.h (text_section): Likewise.
15062 * i386/svr3gas.h (text_section): Likewise.
15063 * nextstep.h (text_section): Likewise.
15064 * psos.h (text_section): Likewise.
15065 * ptx4.h (text_section): Likewise.
15066 * svr3.h (text_section): Likewise.
15067 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
15069 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15071 * final.c (peephole): Delete prototype.
15073 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
15074 (pre_insert_copies): Remove unused variable `bb'.
15076 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
15079 * output.h (peephole): Add prototype.
15081 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
15083 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
15086 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
15088 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
15089 for inlined declarations.
15091 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
15093 * arm.c (logical_binary_operator): New fucntion.
15094 * arm.h (logical_binary_operator): Declare it.
15095 (PREDICATE_CODES): Handle logical_binary_operator.
15096 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
15097 output constraints. Add appropriate splitters.
15098 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
15099 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
15100 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
15102 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15104 * genoutput.c (struct operand_data): New elt eliminable.
15105 (output_operand_data): Write it.
15106 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
15107 (compare_operands): Take it into account.
15108 * recog.h (struct insn_operand_data): New elt eliminable.
15109 * reload1.c (check_eliminable_occurrences, elimination_effects): New
15111 (old_asm_operands_vec, new_asm_operands_vec): Delete.
15112 (eliminate_regs): Move code that detects changes to elimination
15113 target regs into new function elimination_effects.
15114 Delete one #if 0 block.
15115 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
15116 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
15117 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
15118 Only call eliminate_regs for real operands of the insn, not for parts
15119 of its structure or parts matched by things like match_operator.
15120 Use elimination_effects and check_eliminable_occurrences. Use
15121 copy_insn to duplicate the pattern when not in the final pass.
15123 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
15125 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
15128 1999-10-22 Bruce Korb <autogen@linuxbox.com>
15130 * fixinc/README: document the "mach" machine matching test
15131 * fixinc/fixfixes.c: Implement the #else/#endif label fix
15132 * fixinc/fixtests.c: Implement the #else/#endif label test
15133 * fixinc/inclhack.def: utilize these tests and fixes
15134 * fixinc/inclhack.sh: regen
15135 * fixinc/fixincl.x: regen
15136 * fixinc/fixincl.sh: regen
15138 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
15140 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
15143 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
15145 * gcc.1: Document exit codes.
15147 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15149 * calls.c: Include tm_p.h later, so everything we need is defined.
15150 * expr.c: Likewise.
15151 * function.c: Likewise.
15153 * except.c: Include tm_p.h.
15155 * sparc.c: Likewise.
15156 (dwarf2out_cfi_label): Don't prototype.
15157 (check_return_regs, epilogue_renumber,
15158 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
15159 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
15160 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
15161 ultra_schedule_insn): Add static prototype.
15162 (data_segment_operand, text_segment_operand): Call itself with the
15163 proper number of arguments.
15164 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
15166 * sparc.h: Move all declarations to sparc-protos.h.
15167 (SELECT_RTX_SECTION): Pass a missing MODE argument to
15170 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
15172 * config/svr4.h (text_section, ctors_section, dtors_section): Add
15174 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
15175 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
15176 ASM_OUTPUT_ASCII): Constify a char*.
15178 * sparc-protos.h: New file for sparc prototypes.
15180 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15182 * function.c (record_insns, contains): Always declare and define.
15183 (record_insns): Mark with ATTRIBUTE_UNUSED.
15185 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15187 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
15188 to .section when outputting a .bss section to deal with multiple
15189 .bss input sections (as happens with -fdata-sections)
15190 Also output %progbits, not @progbits so the assembler doesn't treat as
15192 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
15194 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
15195 thumb parts even when building with non-thumb CPUs, by forcing
15198 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
15200 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
15201 (movdf_const_intreg_sp64): Similarly.
15203 * local-alloc.c (update_equiv_regs): Check the correct insn
15204 for pre-existing REG_EQUIV notes.
15206 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
15208 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
15209 block reached by a branch if we're not going to actually process
15212 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
15214 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
15215 a local extern function declaration.
15217 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
15219 * i386.c (ix86_expand_prologue): Properly wrap USE around
15220 reg for CALL_INSN_FUNCTION_USAGE.
15222 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
15224 * config/mips/mips.md (movdf_internal1a): Allow floating-point
15225 move between GP_REGs.
15227 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
15229 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
15230 the mode size when finding out if an offset is legal.
15232 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
15234 * basic-block.h (PROP_*): Move constants from ...
15235 * flow.c: ... here.
15236 (compute_bb_for_insn): Free the array before reallocating.
15237 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
15238 (allocate_reg_life_data): Reset all reg variables collected by
15240 (get_block_head_tail): Don't convert from bb to block.
15241 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
15242 (find_insn_reg_weight): Take block not bb.
15243 (schedule_block): Don't set block num for moved insns.
15244 (schedule_region): Don't update_life_info or find_insn_reg_weight.
15245 (schedule_insns): Do it here instead.
15246 * combine.c (combine_instructions): Invoke compute_bb_for_insn
15247 before update_life_info.
15248 * recog.c (split_all_insns, peephole2_optimize): Update for
15249 new arg to update_life_info.
15250 * rtlanal.c (remove_note): Cope with NULL note.
15251 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
15254 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
15256 * jump.c (jump_optimize_1): More accurately detect casesi insns.
15258 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
15259 block records so that merge_blocks_nomove will clean up correctly.
15260 (split_edge): Handle casesi insns.
15262 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
15264 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
15266 * pa.md (call, call_value): Do not emit a blockage after restoring
15269 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
15271 * c-typeck.c (c_expand_asm_operands): Fix typo.
15273 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15275 * arm.c (fpu_rhs_operand): Verify modes.
15276 (fpu_add_operand): Likewise.
15277 (di_operand): Likewise.
15278 (soft_df_operand): Likewise.
15280 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
15282 * arm.c (arm_return_in_memory): APCS rules state that the elements
15283 of a structure returned in a register must be 'integer-like'.
15285 1999-10-19 Bruce Korb <autogen@linuxbox.com>
15287 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
15288 in the source tree when the generated targets are out of date
15289 * fixinc/genfixes: Alter it to run individual fixes for make.
15290 * fixinc/README: rewrite
15291 * fixinc/inclhack.def: moved initial comments to README
15293 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
15295 * toplev.c (main): Do not generate an error message if an
15296 unrecognised command line switch is recognisable by another
15297 language. If extra_warnings are enabled, then generate a
15298 warning message instead.
15300 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
15302 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
15303 (insert_pack_attributes): Delete prototype.
15305 * c-pragma.c (default_alignment): New static variable.
15306 (push_alignment): Initialize to current effective alignment.
15307 (pop_alignment): Use to set new alignment.
15308 (insert_pack_attributes): Delete function.
15309 (handle_pragma_token): Set default_alignment as well each time
15310 a #pragma pack(<n>) is encountered.
15312 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
15314 * reg-stack.c (stack_result): Aggregates are not returned in
15317 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15319 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
15321 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
15323 * basic-block.h (set_block_num): Declare.
15324 * flow.c (update_life_info): Don't call compute_bb_for_insn
15325 or free_basic_block_vars.
15326 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
15327 (insn_orig_block): Remove.
15328 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
15329 (schedule_block): Keep BLOCK_NUM up-to-date.
15330 (schedule_insns): Use compute_bb_for_insn.
15331 * recog.c (split_all_insns): Likewise.
15332 (peephole2_optimize): Likewise.
15334 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
15336 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
15337 if the pic register is used.
15339 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15341 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
15342 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
15343 if that tests TREE_PERMANENT.
15345 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
15347 * cse.c (invalidate_for_call): Do not remove memory references from
15348 the table here. It's handled elsewhere.
15350 * haifa-sched.c (add_dependence): Protect references to the
15351 true dependency cache with #ifdef INSN_SCHEDULING.
15352 (remove_dependence): Similarly.
15354 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
15355 to the cfg code that this is a return instruction.
15356 * mn10300.md (return_internal): Similarly.
15358 * combine.c (get_last_value): If the last set of a register
15359 is after subst_low_cuid, then we can not use it to determine
15360 the register's last value.
15362 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
15364 * Makefile.in: Back out previous change.
15366 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
15368 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
15370 * haifa-sched.c (add_dependence): Only check/update the cache
15372 (remove_dependence): Likewise.
15373 (schedule_insns): Only create the true_dependency_cache if the
15374 average number of instructions in a basic block is very large.
15376 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
15378 * Makefile.in (ggc-common.o): Depend on genrtl.h.
15379 (ggc-simple.o): Likewise.
15380 (ggc-page.o): Likewise.
15382 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
15384 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
15385 Prototype for exported functions.
15386 (pre_lcm, pre_rev_lcm): Remove prototypes.
15387 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
15388 (compute_available): Move to lcm.c, and change parameter order.
15389 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
15390 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
15391 (gcse_main): No longer call compute_preds_succs. Rebuild the
15392 set table after reach pre pass.
15393 (pre_insert_map, pre_delete_map, edge_list): New.
15394 (alloc_pre_mem): Allocate edge vectors.
15395 (free_pre_mem): Delete edge vectors.
15396 (compute_pre_data): Call new edge based lcm routines.
15397 (process_insert_insn): New function.
15398 (insert_insn_end_bb): Use it.
15399 (pre_edge_insert): New function.
15400 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
15402 (pre_insert_copies): Revamp using new edge based lcm outputs.
15403 (pre_delete): Likewise.
15404 (one_pre_gcse_pass): Insert & remove fake edges to the exit
15406 (compute_code_hoist_vbeinout): New new edge based routines.
15407 * lcm.c: Remove all the old LCM functions. Replace with new ones
15408 that work with the new cfg datastructures and work with edges
15411 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15413 * reload.h (struct reload): Add new fields "mode" and "nregs".
15414 * reload1.c: Change all occurrences of reload_mode and reload_nregs
15415 to reference the "mode" and "nregs" field within struct reload.
15417 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
15419 * haifa-sched.c (true_dependency_cache): New.
15420 (add_dependence): Use the true dependency cache to avoid expensive
15421 walks down the LOG_LINKS dependency list. Add entries to the
15422 cache as necessary.
15423 (remove_dependence): Remove entries from the true dependency cache
15425 (schedule_insns): Allocate and initialize and free the true
15428 * haifa-sched.c (schedule_insns): Do not remove inter-block
15429 dependencies anymore.
15431 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15433 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
15434 * i386/t-winnt: Likewise.
15436 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
15438 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
15440 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
15442 * Makefile.in (LANGUAGES): Omit "proto".
15443 (clean): Remove stale comment about removing unprotoize.c.
15445 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15447 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
15448 using arithmetic on void pointers.
15450 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
15452 * haifa-sched.c (compute_block_forward_dependencies): Only check
15453 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
15455 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
15457 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
15458 (expr_equiv_p): Reject memories with different alias sets.
15460 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
15462 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
15463 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
15464 (f_options): Add "bounded-pointers" and "bounds-check" entries.
15465 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
15466 (lang_init): Set default for flag_bounds_check if still "unspecified".
15468 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15470 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
15472 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15474 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
15477 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15479 * config/c4x/c4x.md (*db_noclobber,
15480 *decrement_and_branch_until_zero_noclobber): New patterns and
15481 associated splitters.
15483 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15485 * config/c4x/c4x.md (parallel instruction patterns): Rework
15486 constraints to keep reload happy.
15488 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15490 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
15491 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
15492 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
15493 Add new patterns and associated post-reload splitters.
15495 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15497 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
15499 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15501 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
15503 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
15505 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15507 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
15510 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
15512 * pa.c (move_operand): Rely on memory_address_p to determine the
15513 validity of non-indexed memory addresses.
15514 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
15515 operand in DFmode and SFmode when generating PA2.0 code.
15517 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
15519 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
15521 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
15523 * mips.c (function_prologue): Fix argument types.
15524 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
15525 (casesi_internal): Write to the scratch register.
15527 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
15529 * cppexp.c (cpp_parse_escape): Make static. Change second arg
15531 (parse_charconst): Delete unnecessary cast when calling
15533 (cpplib.h): Kill prototype of cpp_parse_escape.
15535 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
15537 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
15538 * unroll.c (unroll_loop): Cast return value of alloca.
15539 * i370/i370.c: Include function.h and toplev.h.
15540 (i370_label_scan): Remove c++ commented abort.
15541 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
15542 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
15543 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
15544 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
15546 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
15548 * config/t-freebsd: Do not override USER_H.
15549 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
15551 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
15552 Mumit Khan <khan@xraylith.wisc.edu>
15554 * c-parse.in (component_decl): Support anonymous struct/union.
15556 * c-parse.y: Regenerate.
15557 * c-parse.c: Likewise.
15558 * objc/objc-parse.y: Likewise.
15559 * objc/objc-parse.c: Likewise.
15560 * c-decl.c (finish_struct): Don't sort the fields.
15561 (field_decl_cmp): Delete unused function.
15563 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
15565 * sparc.md (movsf_const_intreg): Revert last constraint change.
15566 (movdf_const_intreg_sp32): Likewise.
15568 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
15570 * cse.c: Include hashtab.h instead of splay-tree.h
15571 (struct cse_reg_info): No longer use variant union. Add new
15572 field "regno". All references changed to avoid union.
15573 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
15574 (free_cse_reg_info): Remove.
15575 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
15576 (get_cse_reg_info): Revamp to use expandable hash tables instead
15577 of splay trees. Initialize new fields in cse_reg_info structure.
15578 (new_basic_block): Similarly.
15580 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
15582 * genrecog.c (message_with_line): Prototype.
15583 (validate_pattern): Pass along the set for the dest, not a flag.
15584 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
15585 Check for PC/CC0 as sources.
15586 (nodes_identical): Check for children position match before
15587 allowing the combination.
15589 * rtl.c (read_rtx): Track line number across \\\n.
15591 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
15593 * mips.h (SPECIAL_MODE_PREDICATES): New.
15594 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
15595 (movdi+1, movsi+1): Add output reload constraint.
15596 (casesi_internal): Likewise. Fix commentary.
15597 (return_internal): Use pmode_register_operand.
15599 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
15601 * 1750a.md (movstrqi): Add missing output reload constraint.
15602 (call_value): Likewise.
15603 * a29k.md (cpxxx patterns): Add missing match_operator mode.
15604 (jmpfdec): Add missing inout reload constraint.
15605 * elxsi.md (addsi patterns): Add missing output reload constraint.
15606 (move from sp): Use @ alternates.
15607 (call_value): No constraint on output.
15608 * fr30.md (movsi_pop): Add missing output reload constraint.
15609 (movsf_constant_store): Likewise.
15610 (splits): Remove constraints.
15611 (subsi3): Add missing mode.
15612 * i370.md (cmpstrsi+1): Add missing output reload constraint.
15613 (call_value): Likewise.
15614 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
15615 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
15616 * m32r.md (movsicc_internal): Add output reload constraint.
15617 (movstrsi_internal): Add inout reload constraints.
15618 * m88k.h (reg_names): Don't declare.
15619 (SPECIAL_MODE_PREDICATES): New.
15620 * m88k.md (*): Use register_operand not reg_or_0_operand
15622 * mn10200.h (PREDICATE_CODES): New.
15623 * ns32k.md (ffs pattern): Add output reload constraint.
15624 * pdp11.md (sob pattern): Add inout reload constraint.
15625 * sh.md (splits): Remove constraints.
15626 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
15627 * v850.md (pattern_is_ok_for_epilogue): Likewise.
15628 * vax.md (jgequ pattern): Add inout reload constraint.
15630 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
15632 * configure.in (djgpp): Revert previous patch.
15633 * configure: Rebuit.
15634 * config/i386/djgpp.h: Revert previous patch.
15636 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
15638 * fixinc/inclhack.def: Restore patch lost during last merge of
15639 "no_bogosity" branch.
15640 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
15642 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15644 * fixincludes: Add a HPUX 11 fix for inttypes.h.
15645 * fixinc/inclhack.def: Same.
15646 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
15648 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
15650 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
15651 as the base of a PLUS.
15653 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15655 * config/c4x/c4x.md: Define mode for remaining unspec operators.
15656 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
15658 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
15660 * pa.md (post_stw+1): Use pmode_register_operand.
15661 (dcacheflush, icacheflush): Likewise.
15663 * i386.md (movstricthi_1): Allow r/r.
15665 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
15667 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
15668 to (not (and (arg0) (arg1))). Similary for and.
15670 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
15671 fallthrough to associate code.
15672 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
15675 * combine.c (simplify_logical): Convert XOR to IOR if operands have
15676 no bits in common; remove XOR to ROTATE conversion.
15678 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15680 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
15682 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15684 * config/c4x/c4x.c (dst_operand): New.
15685 (PREDICATE_CODES): Update.
15686 * config/c4x/c4x.h (dst_operand): Declare it.
15687 * config/c4x/c4x.md: Define mode for each unspec usage.
15688 (move patterns): Use dst_operand predicate instead of src_operand.
15689 (movqi_update, movqf_update): Delete.
15691 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
15693 * recog.c (pmode_register_operand): New.
15694 * recog.h: Declare it.
15695 * genrecog.c (pred_codes): Likewise.
15696 (special_mode_pred_table): Likewise.
15697 (validate_pattern): Don't warn no mode for address_operand.
15699 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
15700 if the operand is not insn-like.
15702 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
15703 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
15705 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
15707 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
15709 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
15710 instead of general_operand in a SET_DEST. Use const_double_operand
15711 instead of an explicit test against CONST_DOUBLE.
15712 (movsf_const_lo): Add missing register mode.
15713 (goto_handler_and_restore): Add auxiliary test for Pmode.
15714 (flush): Adjust to use address_operand.
15715 (return_sf_no_fpu): Add missing output constraint.
15717 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
15719 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
15720 for call return value.
15721 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
15723 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
15725 * toplev.c (main): Only warn about options for other languages.
15726 * collect2.c (main): Pass -w to sub-gcc.
15728 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
15730 * flow.c (propagate_block): Add call-clobbered registers to
15733 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
15734 zapping mem_set_list.
15735 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
15736 (mark_set_1, mark_used_regs): Likewise.
15738 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
15740 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
15742 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15744 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
15745 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
15746 options. Also add a new item "C-only Warning Options" to the
15749 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
15751 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
15752 from multiple calls.
15754 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
15756 * i386.md (call value patterns): Move to the end of the file.
15757 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
15759 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
15761 * configure.in (djgpp configuration): Define extra_objects..
15762 * configure: Rebuilt.
15763 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
15764 (DTORS_SECTION_ASM_OP): Define.
15765 (INIT_SECTION_ASM_OP): Define.
15766 (FINI_SECTION_ASM_OP): Define.
15767 (DATA_SECTION_ASM_OP): Define.
15768 (TEXT_SECTION_ASM_OP): Define.
15769 (EH_FRAME_SECTION_ASM_OP): Define.
15770 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
15771 (STARTFILE_SPEC): Add crtbegin.o.
15772 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
15773 to here from LINK_COMMAND_SPEC.
15774 (DO_GLOBAL_CTORS_BODY): Define.
15775 (CRTSTUFF_USE_FINI_SECTION): Define
15776 (HAS_INIT_SECTION): Delete.
15778 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
15780 * Makefile.in (all.cross): Depend on xcpp$(exeext).
15782 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
15784 * pa.h (PREDICATE_CODES): New.
15786 * genrecog.c (validate_pattern): Condense the destination
15787 non-lvalue message.
15789 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
15791 * alpha.md (call-1): Supply missing mode for operator.
15792 (*): Add missing output reload constraints. Remove constraints
15793 from define_splits.
15795 * i386.h (SPECIAL_MODE_PREDICATES): New.
15796 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
15797 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
15798 (addsi_lea_3): Add missing mode for op 3.
15799 (prologue_set_got, prologue_get_pc): Add missing modes.
15800 (*) Add missing output reload constraints.
15802 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
15804 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
15805 check for member bit-size overflow and use var_size if it occurs.
15806 (layout_record): Use bitsize_int() to define the type size in bits.
15807 Likewise for computation and assignment to DECL_FIELD_BITPOS.
15808 (layout_decl): Likewise when assigning to DECL_SIZE.
15810 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
15812 * genrecog.c (validate_pattern): Typo last change. Verify
15813 that output operands have output reloads.
15815 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
15817 * genrecog.c (special_mode_pred_table): New.
15818 (NUM_SPECIAL_MODE_PREDS): New.
15819 (find_operand): New.
15820 (validate_pattern): New argument `insn'. Warn for assignment to
15821 any predicate accepting non-lvalues. Conditionaly warn for
15822 match_operand without a mode. Try much harder to match source
15823 and destination modes on a set.
15824 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
15826 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
15828 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
15830 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
15832 * combine.c (simplify_logical): Recognize xor pattern that encodes
15835 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15837 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
15840 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
15842 * ggc-page.c (MAP_FAILED): Provide default.
15844 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
15846 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
15847 * sparc.h (PREDICATE_CODES): Update.
15849 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
15851 * alpha.c (some_ni_operand): New.
15852 * alpha-protos.h: Declare it.
15853 * alpha.h (PREDICATE_CODES): Update.
15854 * alpha.md (sXaddq reload insns): Use some_ni_operand
15855 for SET_DEST instead of some_operand.
15857 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
15858 Jim Wilson <wilson@cygnus.com>
15860 * genrecog.c (maybe_both_true_2): Don't compare modes of
15862 (process_tree): Elide peephole2_insns. Invoke simplify_tests
15863 after find_afterward.
15864 (debug_decision_1): Dump next and afterward codes.
15866 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
15868 * rtl.c (dump_and_abort): Remove.
15869 (fatal_with_file_and_line): New.
15870 (fatal_expected_char): New.
15871 (read_rtx_lineno, read_rtx_filename): New.
15872 (read_skip_spaces): Track line number.
15873 (read_name): Use fatal_with_file_and_line.
15874 (read_rtx): Use fatal_expected_char. Track line number.
15875 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
15877 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
15878 if it isn't a CODE_LABEL.
15880 * genattr.c (main): Set read_rtx_filename.
15881 * genattrtab.c (main): Likewise.
15882 * gencodes.c (main): Likewise.
15883 * genconfig.c (main): Likewise.
15884 * genemit.c (main): Likewise.
15885 * genextract.c (main): Likewise.
15886 * genflags.c (main): Likewise.
15887 * genopinit.c (main): Likewise.
15888 * genoutput.c (main): Likewise.
15889 * genpeep.c (main): Likewise.
15891 * genrecog.c (decision_test.u.insn): Add `lineno'.
15892 (pattern_lineno, error_count): New variables.
15893 (message_with_line): New.
15894 (add_to_sequence): Break out checking code to ...
15895 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
15896 (merge_insn): Use message_with_line.
15897 (make_insn_sequence): Use validate_pattern. Record insn lineno.
15898 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
15900 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15902 * expr.c (store_constructor): Clear union if constructor is empty.
15904 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
15906 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
15907 Add !endian checks. Change %{...} to %(...).
15909 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
15911 * i386.md (*addsi3_cc): Renamed from addcsi3.
15912 (*addsi3_carry): Renamed from addxsi3.
15913 (*subsi3_cc): Renamed from subcsi3.
15914 (*subsi3_carry): Renamed from subxsi3.
15915 (*xorqi_cc_1): Renamed from xorcqi_1.
15916 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
15917 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
15919 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
15921 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
15922 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
15924 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
15926 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
15927 climb up the chain of insns.
15929 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
15931 * genrecog.c (write_subroutine): Careful for null trees.
15932 (process_tree): Don't elide empty functions.
15934 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
15936 * Makefile.in (genrtl.o): Depend on ggc.h.
15937 * configure.in (valloc): Probe for it.
15938 (with-gc): Use ggc-page if valloc present.
15939 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
15940 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
15941 (ggc_alloc_string): Moved from ggc-page.c.
15942 * ggc-none.c (ggc_alloc_obj): New.
15943 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
15944 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
15945 (struct globals): Likewise for dev_zero_fd.
15946 (init_ggc): Likewise for it's initialization.
15947 (ggc_allocated_p): Move careful dereference from ...
15948 (ggc_lookup_page_table): ... here. Delete.
15949 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
15950 (alloc_anon): Use valloc if no mmap.
15951 (release_pages): Use free if using valloc.
15952 (ggc_alloc_obj): Renamed from alloc_obj.
15953 (ggc_set_mark): Renamed from mark_obj.
15954 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
15955 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
15956 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
15957 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
15958 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
15959 (ggc_collect): Use fp printing instead of our own rounding.
15960 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
15961 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
15962 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
15963 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
15964 (struct ggc_string, struct ggc_any): Delete.
15965 (offsetof): Provide default definition.
15966 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
15968 (struct ggc_mem): New, from corpse of ggc_any.
15969 (struct ggc_status): Delete.
15970 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
15971 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
15972 (n_strings_collected, n_anys_collected): Delete.
15973 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
15974 (ggc_alloc_string, ggc_alloc): Delete.
15975 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
15976 (ggc_free_string, ggc_free_any): Delete.
15977 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
15978 (ggc_compare_addresses, ggc_mark_string): Delete.
15979 (ggc_mark_string_if_gcable, ggc_mark): Delete.
15980 (search_data): Delete.
15981 (struct globals): New.
15982 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
15983 (tree_insert, tree_lookup): New.
15984 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
15985 (clear_marks, sweep_objs): New.
15986 (ggc_collect): Gut. Use clear_marks, sweep_objs.
15987 (init_ggc): Set allocated_last_gc.
15988 (ggc_push_context): Gut. Use G.context.
15989 (ggc_pop_context): Likewise.
15990 (ggc_pop_context_1): New.
15991 (debug_ggc_tree): New.
15992 (debug_ggc_balance, tally_leaves): New.
15993 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
15994 (ggc_mark_string_if_gcable): Remove decl.
15995 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
15996 (ggc_mark_rtvec_children): New.
15997 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
15998 (ggc_mark_if_gcable): New decl.
15999 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
16000 (ggc_alloc_tree, ggc_alloc): Likewise.
16001 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
16002 (ggc_alloc_obj): New decl.
16003 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
16004 (ggc_alloc_tree, ggc_alloc): Likewise.
16005 (ggc_set_mark): New decl.
16006 * rtl.h (struct rtx_def): Remove gc_mark.
16007 (struct rtvec_def): Likewise.
16008 * tree.h (struct tree_common): Likewise.
16010 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
16012 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
16013 float_format and thread_file definitions.
16014 * configure: Rebuilt.
16016 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
16018 * extend.texi (Function Names): Document types of function names.
16020 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16022 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16023 an earlyclobbered output conflict with RELOAD_INPUT reloads.
16025 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16027 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
16029 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16031 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
16033 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
16035 * collect2.c (main): Do prelimnary link on AIX if rflag.
16037 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16039 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
16040 __CTOR_LIST__ in opposite order, which is the correct order for sorted
16042 (__do_global_dtors): similarly for __DTOR_LIST__.
16044 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16045 Diego Novillo <dnovillo@cygnus.com>
16047 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
16050 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
16052 * fixincl/*: Merged "no_bogosity" branch
16053 * fixincl/fixlib.h: protect against doubly defining t_bool
16054 * fixincl/server.h: protect against doubly defining t_bool
16056 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
16058 * genoutput.c: Include toplev.h.
16060 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
16062 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
16064 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
16065 * configure: Regenerate.
16067 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
16069 * gcse.c (delete_null_pointer_checks): Returns void.
16071 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16073 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
16074 * emit-rtl.c (copy_insn_1): Likewise.
16076 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16078 * config/mips/mips.c (mips_build_va_list): Correct
16079 TREE_CHAIN setting when hard-float.
16080 (mips_va_start): Use corrected setting.
16081 (mips_va_arg): Likewise. Also pass a tree to build of
16082 POSTINCREMENT_EXPR rather than a naked 'int'.
16084 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
16086 * ggc.h (ggc_push_context): Fix comment.
16087 (ggc_pop_context): Likewise.
16088 (mark_string_if_gcable): Likewise.
16089 * ggc-common.c (ggc_mark_rtx_children): Use
16090 ggc_mark_string_if_gcable.
16091 * ggc-page.c (ggc_lookup_page_table): New function.
16092 (ggc_allocated_p): Likewise.
16093 (mark_obj): Fix formatting.
16094 (ggc_mark_string_if_gcable): New function.
16095 * ggc-simple.c (ggc_allocated_strings): New variable.
16096 (ggc_strings_used): Likewise.
16097 (ggc_compare_addresses): New function.
16098 (ggc_pop_context): Pop the `any' memory too.
16099 (ggc_mark_string_if_gcable): New function.
16100 (ggc_collect): Initialize and tear down ggc_allocated_strings.
16102 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
16104 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
16105 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
16106 * rs6000.c (expand_block_move): Match movstrsi_?reg register
16109 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
16111 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
16112 (sched_reg_live_length, sched_reg_basic_block): Delete.
16113 (current_block_num, bb_live_regs, old_live_regs): Delete.
16114 (dead_notes, struct sometimes): Delete.
16115 (sched_note_set, birthing_insn_p): Delete.
16116 (adjust_priority): Gut useless reg lifetime code.
16117 (create_reg_dead_note, attach_deaths): Delete.
16118 (attach_deaths_insn, new_sometimes_live): Delete.
16119 (finish_sometimes_live): Delete.
16120 (find_pre_sched_live, find_post_sched_live): Delete.
16121 (update_reg_usage): Delete.
16122 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
16123 (schedule_insns): Delete reg lifetime code.
16124 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
16125 (unlink_other_notes): Adjust REG_NOTE commentary.
16126 (reemit_notes): Use REG_SAVE_NOTE.
16127 (schedule_block): Likewise.
16128 (schedule_region): Allocate bitmap of blocks in region. Use
16129 count_or_remove_death_notes. Use update_life_info.
16131 * rtl.h (REG_SAVE_NOTE): New.
16132 * rtl.c (reg_note_name): Update.
16134 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
16136 * combine.c (refresh_blocks, need_refresh): New.
16137 (combine_instructions): Allocate refresh_blocks. Invoke
16138 update_life_info if needed.
16139 (distribute_notes): Mark refresh_blocks instead of installing
16141 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
16142 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
16144 * Makefile.in (recog.o): Depend on basic-block.h.
16146 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
16148 * genrecog.c (add_to_sequence): Thinko last change: delete
16149 shadowing allow_const_int variable.
16151 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16153 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
16154 __GNUC__ and __GNUC_MINOR__.
16156 * gansidecl.h: Likewise.
16162 * toplev.h: Likewise.
16164 * tree.c: Likewise.
16166 * tree.h: Likewise.
16168 * varray.c: Likewise.
16170 * varray.h: Likewise.
16172 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16174 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
16175 use one before a jump table.
16177 * rtl.def (ADDRESS): Change documentation to match reality.
16178 * md.texi: Don't document it.
16179 * gmicro.md (load address pattern): Use 'p' constraint, delete use
16182 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
16184 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
16186 * genrecog.c (add_to_sequence): Move allow_const_int test outside
16187 known predicate block; default allow_const_int true.
16188 (debug_decision_list): New.
16190 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
16192 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
16194 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
16196 * gcse.c (gcse_main): Avoid global optimizations if we have a
16197 large number of basic blocks and the ratio of edges to blocks
16199 (delete_null_pointer_checks): Likewise.
16201 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
16203 * c-common.c (check_format_info): Warn if format string isn't a
16206 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16208 * configure.in (arm*-*-*): Don't let autoconf remove brackets
16209 * configure: regenerate
16211 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
16213 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
16214 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
16215 (peepholes): Re-enable.
16217 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
16219 * Makefile.in (flow.o): Depend on TREE_H.
16220 * basic-block.h (REG_SET_EQUAL_P): New.
16221 (XOR_REG_SET): New.
16222 (n_edges): Declare.
16223 (free_regset_vector): Remove declaration.
16224 (flow_delete_insn_chain): Declare.
16225 (enum update_life_extent): New.
16226 (update_life_info, count_or_remove_death_notes): Declare.
16227 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
16228 Verify register live at bb->global_live_at_start before adding USE.
16229 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
16230 (CLEAN_ALLOCA): New.
16232 (PROP_*): New flags.
16233 (find_basic_blocks_1): Use alloc_EXPR_LIST.
16234 (clear_edges): Zero n_edges.
16235 (make_edge): Increment n_edges.
16236 (split_edge): Don't allocate bb->local_set. Increment n_edges.
16237 (flow_delete_insn_chain): Export.
16238 (delete_block): Decrement n_edges.
16239 (merge_blocks_nomove): Likewise.
16240 (life_analysis): Give life_analysis_1 PROP flags.
16241 (verify_wide_reg_1, verify_wide_reg): New.
16242 (verify_local_live_at_start): New.
16243 (update_life_info): Rewrite to call into propogate_block.
16245 (mark_regs_live_at_end): After reload, if epilogue as rtl,
16246 always mark stack pointer. Conditionally mark PIC register.
16247 After reload, mark call-saved registers, return regsiters.
16248 (life_analysis_1): Accept PROP flags not remove_dead_code.
16249 Call mark_regs_live_at_end before zeroing regs_ever_live.
16250 Use calculate_global_regs_live. Copy global_live_at_end before
16251 calling final propagate_block. Zero reg_next_use on exit.
16252 (calculate_global_regs_live): New.
16253 (allocate_bb_life_data): Don't allocate bb->local_set.
16254 (init_regset_vector, free_regset_vector): Remove.
16255 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
16256 Test flags before every operation. Warn if prologue/epilogue insn
16257 would have been deleted.
16258 (mark_set_regs, mark_set_1): Accept and use FLAGS.
16259 Use alloc_EXPR_LIST.
16260 (mark_used_regs): Accept and use FLAGS, not FINAL.
16261 Remove special handling for RETURN.
16262 (try_pre_increment): Use alloc_EXPR_LIST.
16263 (dump_flow_info): Dump n_edges.
16264 (unlink_insn_chain, split_hard_reg_notes): Remove.
16265 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
16266 (find_insn_with_note, new_insn_dead_notes): Remove.
16267 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
16268 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
16269 (replace_insns): Remove.
16270 (count_or_remove_death_notes): New.
16271 (verify_flow_info): Abort on error after all checks.
16272 (remove_edge): Decrement n_edges.
16273 (remove_fake_edges): Tweak format.
16274 * haifa-sched.c (schedule_insns): Use split_all_insns.
16275 * output.h (update_life_info): Remove declaration.
16276 * recog.c (split_all_insns): From the corpse of split_block_insns,
16277 do the whole function block by block. Use update_life_info.
16278 (recog_last_allowed_insn): New.
16279 (recog_next_insn): Mind it.
16280 (peephole2_optimize): Set it. Walk backwards through blocks.
16281 Use update_life_info.
16282 * rtl.h (update_flow_info, replace_insns): Remove declarations.
16283 (split_all_insns): Declare.
16284 * toplev.c (rest_of_compilation): Thread prologue before flow2.
16285 Use split_all_insns.
16287 * i386.md (or -1 peep2s): Disable.
16289 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
16291 * config/mips/mips.md (movstrsi+[123]) : Combine these into
16292 a single pattern. Scrap the 'd' versions as unnecessary.
16294 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
16295 tablejump_mips162,tablejump_internal4): The operands to a
16296 label_ref must be VOIDmode.
16298 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16300 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
16302 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
16304 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
16306 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
16308 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
16309 cache every function if ggc_p.
16311 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16313 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
16314 instead of copy_rtx. Accept sequences that contain asm statements.
16315 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
16316 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
16317 orig_asm_operands_vector, copy_asm_operands_vector,
16318 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
16320 * rtl.h (copy_insn, copy_insn_1): Declare.
16322 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16324 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
16326 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
16327 arguments to `current_file_function_operand'.
16329 * genrecog.c: Include hard-reg-set.h and resource.h in the
16330 generated output file.
16332 * real.c: Include tm_p.h.
16334 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16336 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
16339 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
16341 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
16342 before the fctiwz insn.
16344 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16345 Mark Mitchell <mark@codesourcery.com>
16347 * tree.c (make_lang_type_fn): New funtion pointer.
16348 (make_lang_type): Call it.
16349 * tree.h (make_lang_type): Declare.
16350 (make_lang_type_fn): Likewise.
16351 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
16353 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
16355 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
16356 make sure that HIGH instructions are copied into BASE_REGS.
16358 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
16360 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
16362 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
16364 * c-decl.c (finish_struct): Use simpler method of
16365 removing elements of a singly-linked list.
16367 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
16369 * alpha.md (peephole2's): Comment out peephole2's that generate
16372 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
16374 * genrecog.c (add_to_sequence): Disable mode check for
16377 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16379 * ggc-simple.c (init_ggc): Set empty_string.
16381 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
16383 * configure.in: Detect mmap. Add --with-gc=foo to select
16384 garbage collector; default to page if mmap available.
16385 * Makefile.in (GGC): Substitute.
16387 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
16389 * c-decl.c (ggc_p): Enable.
16391 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16393 * flow.c (verify_flow_info): Make it extern & unconditionally define.
16395 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
16397 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
16398 string for little-endian-data.
16400 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
16402 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
16403 case somebody tries to compile --enable-checking code with gcc
16406 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
16408 * genrecog.c (add_to_sequence): Verify operand to label_ref is
16411 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
16413 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
16414 * jump.c (jump_optimize_1): Document why.
16416 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16418 * collect2.c (scan_prog_file, scan_libraries): Prototype function
16419 pointers and casts for `int_handler' and `quit_handler'.
16421 * flow.c (verify_flow_info, split_hard_reg_notes,
16422 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
16423 remove_edge, remove_fake_successors): Add static prototypes.
16424 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
16425 (mark_set_1): Initialize variable `regno'.
16426 (unlink_insn_chain): Likewise for variable `curr'.
16427 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
16429 * loop.c (strength_reduce): Initialize variable
16430 `unrolled_insn_copies'.
16431 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
16432 prototypes. Change these functions to take const PTR parameters
16433 to avoid prototype conflict when used as the comparson argument
16435 (check_dbra_loop): Initialize variable `comparison_val'.
16437 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
16438 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
16439 (find_valid_class): Initialize variable `best_class'.
16440 (find_reloads): Call memcpy, not bcopy.
16442 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
16443 (hard_reg_use_compare): Don't needlessly cast away const.
16444 (reload_reg_class_lower): Likewise.
16445 (choose_reload_regs): Initialize variable `regno'.
16447 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
16449 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
16451 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
16453 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
16454 ({,d}discard): Add forward declarations. Declare parameter as
16456 (main_without_main): Explicitly declare return type to be int.
16457 (memcpy): Properly declare.
16459 * libgcc2.c (toplevel): If inhibit_libc is defined and not
16460 building the trampoline support, declare malloc, free, and
16462 (__clear_cache): Mark arguments as potentially unused.
16464 * frame.c (toplevel): If inhibit_libc is defined, declare
16467 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
16469 * flow.c (make_edge): Accept an optional 2D bitmap in which
16470 to cache edge existence. Update all callers.
16471 (make_label_edge, make_eh_edge): Pass through the edge cache.
16472 (make_edges): Provide the cache.
16474 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16476 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
16478 (local_mbtowc): Change the type of variable `i' from int to size_t.
16480 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
16481 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
16483 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
16485 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
16486 after other includes that define the appropriate types. Include
16487 tm_p.h for getting user prototypes.
16488 * ggc-callbacks.c (toplevel): Ditto.
16489 * ggc-none.c (toplevel): Ditto.
16490 * gcc-page.c (toplevel): Ditto.
16491 * ggc-simple.c (toplevel): Ditto.
16493 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
16494 Jonathan Larmour <jlarmour@cygnus.co.uk>
16496 * config/mips/mips.c (mips_move_2words): Split doubles if
16497 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
16499 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
16501 * genrecog.c (struct decision_test): New.
16502 (struct decision): Remove test-related members, sort the rest by size.
16503 (IS_SPLIT): Simplify.
16504 (new_decision, new_decision_test): New.
16505 (add_to_sequence): Use them. No special handling for args of
16507 (maybe_both_true): Renamed from not_both_true; return sense changed.
16508 (maybe_both_true_1, maybe_both_true_2): New. Broken out
16509 of maybe_both_true and adjusted for decision_test.
16510 (position_merit): Remove.
16511 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
16512 (merge_accept_insn): New, broken out of merge_trees.
16513 (merge_trees): Use them. No special case for c_test; no node
16514 splitting; use test type instead of position_merit.
16515 (factor_tests): New.
16516 (simplify_tests): New.
16517 (break_out_subroutines): Don't write code now.
16518 (find_afterward): New.
16519 (write_afterward, write_switch, write_cond): New.
16520 (write_action, is_unconditional): New.
16521 (write_node): New. Use them.
16522 (write_tree_1): Rewrite. Use the new functions above.
16523 (write_tree): Remove afterward processing.
16524 (write_subroutine): Simplify function variant emission.
16525 (write_subroutines): New.
16526 (same_codes, clear_codes): Remove.
16527 (same_modes, clear_modes): Remove.
16528 (write_header): New, broken out of main.
16529 (make_insn_sequence): Use new_decision and new_decision_test.
16530 (process_tree): New, broken out of main.
16531 (main): Adjust for merge_trees interface change.
16532 Don't #define operands in the output file.
16533 (record_insn_name): New, broken out of make_insn_sequence.
16534 (debug_decision_2, debug_decision_1, debug_decision_0): New.
16535 (debug_decision): New.
16537 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
16539 * resource.c (find_free_register): Mark class_str argument const.
16540 * resource.h: Update prototype to match.
16542 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
16543 * i386.md: Give all anonymous insns names.
16545 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
16547 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
16550 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
16552 * toplev.c (dbr_sched_time): Unconditional.
16553 (peephole2_time): New.
16554 (compile_file): Add pass numbers to all of the dump file suffixes.
16555 Dump peephole2_time. Don't dump times for non-applicable passes.
16556 (rest_of_compilation): Add pass numbers to dump file suffixes.
16557 Conditionalize calls to the scheduler.
16558 * invoke.texi: Update.
16560 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
16562 * flow.c (make_edges): Fix insn iteration.
16563 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
16564 (find_basic_blocks_1): Fix spelling mistake.
16566 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
16568 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
16569 always have side-effects. Use memset not bzero.
16570 (make_node): Likewise.
16572 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
16574 * stmt.c (expand_anon_union_decl): When any of the elements of the
16575 union is addressable, so is the entire union.
16577 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
16579 * sbitmap.c (sbitmap_ones): Don't set too many bits.
16581 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
16582 * bitmap.c (bitmap_operation): Return true iff TO changed.
16583 (bitmap_equal_p): New.
16584 (bitmap_bit_p): Tidy arithmetic.
16585 (debug_bitmap_file): Likewise.
16587 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
16589 * toplev.c (rest_of_compilation): Turn on cse_not_expected
16590 before cse2 instead of after.
16592 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
16594 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
16597 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16599 * cppinit.c (is_idchar initializer): Loosen tests to accept
16602 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
16604 * mips.md: Define conditional move patterns for floating point
16605 operands and DI mode conditions.
16607 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
16609 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
16610 always have side-effects.
16612 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
16614 * mn10200.c (asm_file_start): Fix typo.
16616 * cppinit.c (is_idchar initializer): Tighten tests for when
16617 to put the table into initialized memory.
16619 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
16620 not an array of rtunion.
16621 * gcc-page.c (ggc_alloc_rtvec): Similarly.
16622 * gcc-simple (ggc_free_rtvec): Similarly.
16624 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
16627 * mbchar.h: Add missing #endif.
16629 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
16630 (FPBIT, DPBIT): Define.
16632 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16634 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
16636 * profile.c (instrument_arcs, output_gcov_string,
16637 tablejump_entry_p): Add static prototypes.
16638 (output_gcov_string): Constify a char*.
16640 * regmove.c (replacement_quality, fixup_match_2): Add static
16643 * resource.h (reg_dead_p): Add extern prototype.
16645 * rtl.c (trim_filename): Add static prototype.
16647 * scan-decls.c (skip_to_closing_brace): Likewise.
16649 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
16650 (expand_end_case): Initialize variable `range'.
16651 (emit_case_nodes): Remove unused prototype `rtx_fn'.
16653 * varasm.c (asm_emit_uninitialised): Add static prototype.
16654 (asm_emit_uninitialised, assemble_variable): Mark parameter with
16657 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16659 * cpplib.c (if_directive_nameo): Add static prototype.
16661 * cse.c (cse_insn): Remove unused variable `p'.
16663 * except.c (create_rethrow_ref, push_entry,
16664 receive_exception_label, new_eh_region_entry, find_func_region,
16665 clear_function_eh_region, process_nestinfo): Add static prototypes.
16666 (get_reg_for_handler): Hide definition.
16667 (process_nestinfo): Initialize variable `extra_handlers'.
16669 * expr.h (expand_builtin_longjmp): Add extern prototype.
16671 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
16673 * function.c (prepare_function_start): Likewise.
16674 (pop_function_context_from): Mark parameter `context' with
16676 (push_temp_slots_for_block, flush_addressof): Hide definition.
16678 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
16679 solve_program_flow_graph, calculate_branch_probs,
16680 function_summary, main, fancy_abort): Add prototypes.
16682 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
16683 (add_hash): Constify a char*.
16685 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
16686 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
16687 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
16689 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
16691 * lists.c (free_list, zap_lists): Likewise.
16693 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16695 * alias.c (nonlocal_reference_p): Add static prototype.
16697 * bitmap.c (bitmap_element_allocate): Prototype args in function
16700 * builtins.c (stabilize_va_list): Add static prototype.
16701 (expand_builtin_va_arg): Constify a char*.
16703 * c-lex.c (getch, put_back, extend_token_buffer_to,
16704 read_line_number, token_getch, token_put_back): Add static
16707 * c-parse.gperf (hash, is_reserved_word): Likewise.
16709 * cccp.c (is_dir_separator): Likewise.
16711 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16713 * graph.h: New file to prototype functions exported by graph.c.
16715 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
16717 * graph.c: Include graph.h.
16719 * toplev.c: Likewise. Remove redundant prototypes.
16721 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
16723 * invoke.texi: Removed duplicated description for -Q.
16725 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
16727 * extend.texi: Grammar fix in __extension__ text.
16729 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
16731 * md.texi (define_peephole2): New section.
16733 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
16735 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
16736 (mov $-1 to or peepholer): Enable for pentium when optimizing for
16739 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
16741 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
16743 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
16745 * i386.md (ffs expander): Emit Pentium friendly code for
16748 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
16750 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
16752 (build1): Likewise.
16754 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16756 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
16758 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
16760 * config/m68k/m68k.c (use_return_insn): Return false if the pic
16761 register is in use.
16763 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16765 * md.texi (No Constraints): Delete section.
16766 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
16767 * final.c (final_scan_insn): We always have register constraints.
16768 * genattrtab.c: Don't include "insn-config.h".
16769 (write_attr_case): We always have register constraints.
16770 * genconfig.c (register_constraint_flag): Delete.
16771 (walk_insn_part): Don't check whether we have register constraints.
16772 (main): Don't write out "#define REGISTER_CONSTRAINTS".
16773 * genoutput.c (have_constraints): Delete.
16774 (main): Don't set it.
16775 (output_operand_data): We always have constraints.
16776 (scan_operands): Likewise.
16777 (compare_operands): Likewise.
16778 * local-alloc.c (block_alloc): We always have constraints.
16779 (requires_inout): Always compile this function.
16780 * recog.c (extract_insn): We always have constraints.
16781 (constrain_operands, reg_fits_class_p): Always compile these
16783 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
16785 (struct insn_operand_data): Likewise.
16786 * regclass.c (regclass): We always have constraints.
16787 (record_reg_classes, copy_cost, record_address_regs,
16788 auto_inc_dec_reg_p): Always compile these functions.
16789 * regmove.c (regmove_optimize): We always have constraints.
16790 * reload.c (find_reloads): Likewise.
16791 * reload1.c (reload): Likewise.
16792 (reload_cse_simplify_operands): Likewise.
16793 * i860.c (output_delay_insn): Likewise.
16795 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
16797 * iris6.h (BUILD_VA_LIST_TYPE): Define.
16799 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16801 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
16802 for the va_list record.
16804 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
16806 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
16809 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
16811 * alias.c: Include insn-flags.h.
16812 * Makefile.in (alias.o): Update.
16814 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
16816 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
16817 to LTU and GEU. Handle more cases using sbb.
16819 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
16821 * i386.md (truncatexfdf splitters): Do not use subreg.
16822 (fop XFmode patterns): Fix mode in operand testing.
16824 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
16826 * jump.c (jump_optimize_1): Amend last change to test only the
16827 form of the operand, not the insn.
16829 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
16830 not register_operand to determine when B may need preloading.
16832 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
16834 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
16835 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
16836 (call-value patterns): Move to end of file.
16837 (*): Remove mode from label_ref in (pc) context.
16838 (movstrqi): Use memory not general_operand for BLKmode operands.
16839 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
16840 to register_operand operands.
16841 (peep2 patterns): Convert from commented-out peephole patterns.
16843 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16845 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
16846 to BUILT_IN_INIT_DWARF_REG_SIZES.
16847 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
16848 Renamed from BUILT_IN_DWARF_REG_SIZE; call
16849 expand_builtin_init_dwarf_reg_sizes.
16850 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
16851 with __builtin_init_dwarf_reg_size_table.
16852 * dwarf2out.c (struct reg_size_range): Delete.
16853 (expand_builtin_init_dwarf_reg_sizes): New function.
16854 (expand_builtin_dwarf_reg_size): Delete.
16855 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
16856 (expand_builtin_dwarf_reg_size): Don't declare.
16857 * libgcc2.c (dwarf_reg_size_table_initialized): New.
16858 (dwarf_reg_size_table): New.
16859 (init_reg_size_table): New function.
16860 (copy_reg): Use dwarf_reg_size_table.
16861 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
16864 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
16866 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
16867 Correctly build argument list to constructor and destructor functions.
16869 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
16871 * c-tree.h (warn_float_equal): Declare.
16872 * c-decl.c (warn_float_equal): Define.
16873 (c_decode_option): Recognize -W[no-]float-equal.
16874 * c-typeck.c (build_binary_op): Conditionally warn
16875 about equality tests of floating point types.
16876 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
16877 * invoke.texi: Add docs for -Wfloat-equal warning.
16879 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
16881 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
16882 generating RTL directly.
16883 * mips.h (INIT_TARGET_OPTABS): Likewise.
16884 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
16886 * expr.h (init_mov_optab): Delete declaration
16888 * h8300.c (WORD_REG_USED): Update to avoid useless register
16889 saves in interrupt functions and functions which never return.
16891 * cse.c (struct set): Delete inner_dest_loc field.
16892 (cse_insn): Remove assignments to inner_dest_loc field.
16894 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
16896 * ggc-page.c: Don't include <unistd.h> etc taken care of
16897 by "system.h". Include <sys/mman.h> afterward.
16899 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
16901 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
16904 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
16906 * xcoffout.c (xcoffout_declare_function): Add documentation.
16907 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
16908 TARGET_64BIT. Compare constant to -1, not bit pattern.
16909 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
16910 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
16913 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
16915 * dwarf2out.c (add_abstract_origin_attribute): Abort if
16916 origin_die is NULL.
16917 (gen_inlined_enumeration_type_die): Do not abort if the type has
16918 not been writeen out.
16919 (gen_inlined_structure_type_die): Do not abort if the type has
16920 not been writeen out.
16921 (gen_inlined_union_type_die): Do not abort if the type has
16922 not been writeen out.
16923 (gen_tagged_type_instantiation_die): Do not abort if the type
16924 has not been written out.
16926 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16928 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
16930 * reg-stack.c (straighten_stack): Copy hard reg set with
16933 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
16935 * builtins.c (stabilize_va_list): Stabilize array type va_list
16936 to a pointer type, not the base record type.
16937 (expand_builtin_va_copy): Dereference the pointers explicitly;
16938 use the correct size for the copy.
16940 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
16941 (rs6000_va_arg): Likewise.
16943 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
16945 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
16947 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
16949 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
16951 (DECL_BUILT_IN_CLASS): Adjust accordingly.
16953 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
16955 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
16956 (init_ggc): Use it instead of a constant.
16957 (ggc_collect): Bound allocated_last_gc by it.
16959 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
16961 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
16964 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
16966 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
16967 (mips*-*-openbsd*): Let big endian configuration be a fragment.
16968 * configure: Regen.
16969 * config/mips/openbsd.h: New, OpenBSD little endian target.
16970 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
16971 * config/mips/xm-openbsd.h: New, OpenBSD host.
16973 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
16975 * config/m68k/m68k.c (output_function_prologue,
16976 output_function_epilogue): Use
16977 current_function_uses_pic_offset_table instead of regs_ever_live
16978 to decide whether to save/restore pic register.
16979 (legitimize_pic_address): Don't modify regs_ever_live any more.
16981 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
16983 * function.h (struct function): Add x_dont_save_pending_sizes_p.
16984 * stor-layout.c (variable_size): Don't add sizes to the pending
16985 sizes list if x_dont_save_pending_sizes_p is set.
16987 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
16989 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
16990 for symbolic_operand().
16991 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
16993 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16995 * combine.c (gen_rtx_combine): Add missing call to va_end().
16997 * final.c (asm_fprintf): Likewise.
16999 * genattrtab.c (attr_rtx): Likewise.
17001 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
17003 * cse.c: Update comments.
17004 (cse_insn): When converting a conditional/computed jump into
17005 an unconditional jump, always make sure a BARRIER immediately
17006 follows the converted jump. Do not delete unreachable code.
17007 (cse_basic_block): Do not delete unreachable code.
17008 * toplev.c (rest_of_compilation): Move call to
17009 delete_trivially_dead_insns after the conditional call to
17012 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17014 * collect2.c (make_temp_file): Don't prototype.
17016 * gcc.c (make_temp_file): Likewise.
17018 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
17020 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
17022 * varasm.c (asm_emit_uninitialised): New function: Generate
17023 the assembler statements necessary to declare an uninitialised
17025 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
17027 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
17028 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
17030 (assemble_variable): Use asm_emit_uninitialised to emit an
17031 uninitialised variable.
17033 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
17035 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
17036 constant on a 64 bit host. Patch supplied by Geoffrey Keating
17037 <geoffk@cygnus.com>.
17039 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17041 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
17042 * c-common.h (builtin_function): Don't declare.
17044 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
17046 (pushdecl): Likewise.
17047 (finish_decl): Likewise.
17048 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
17049 int. All callers changed.
17050 Set the builtin's DECL_BUILT_IN_CLASS.
17051 * tree.h (enum built_in_class): New.
17052 (enum built_in_function): Delete NOT_BUILT_IN.
17053 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
17055 (DECL_SET_FUNCTION_CODE): Likewise.
17056 (DECL_BUILT_IN_CLASS): New macro.
17057 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
17058 (struct tree_decl): Split builtin function code field into a
17060 (builtin_function): Declare.
17062 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
17064 * optabs.c (init_traps): Fix typo in last change.
17066 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
17068 * toplev.c (rest_of_decl_compilation): Update comment.
17070 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17072 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
17073 in .sbss if appropriate.
17074 (EXTRA_SECTION_FUNCTIONS): Add sbss.
17075 (SBSS_SECTION_ASM_OP): New macro.
17076 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
17077 (EXTRA_SECTIONS): Add in_sbss.
17078 * config/mips/mips.h: Prototype sbss_section.
17080 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
17082 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
17085 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
17087 * optabs.c (init_traps): Register trap_rtx as a GC root.
17089 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17091 * config/mips/mips.c (function_arg_pass_by_reference): Define
17092 unconditionally, since it's called unconditionally.
17094 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17096 * toplev.c (documented_lang_options): Add -fshort-wchar.
17097 * c-decl.c (c_decode_option): Likewise.
17098 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
17100 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
17101 * gcc.c (default_compilers): If -fshort-wchar,
17102 override __WCHAR_TYPE__.
17103 * tm.texi (C Dialect Options): Add -fshort-wchar.
17105 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
17106 symbol for a variable.
17108 * cpplib.h (CPP_PREPROCESSED): New macro.
17109 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
17110 we're seeing this input for a second time.
17112 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
17114 * emit-rtl.c (init_emit_once): Initialize modes first.
17116 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
17118 * config/i386/i386.c (pic_label_name): Change to char pointer.
17119 (global_offset_table): New variable.
17120 (load_pic_register): Fill global_offset_table if it hasn't
17121 already been done. Allocate pic_label_name dynamically.
17122 * ggc.h (empty_string): New variable.
17123 * ggc-simple.c (empty_string): Likewise.
17124 (init_ggc): Allocate empty_string and add as root.
17125 * stmt.c (digit_strings): New variable.
17126 (init_stmt): Add last_block_end_note as root. Allocate and
17127 initialize digit_strings.
17128 (expand_asm_operands): Use empty_string instead of string
17129 constant. Use digit_strings instead of string constants.
17130 * profile.c (init_arc_profiler): Allocate string with
17131 ggc_alloc_string instead of xmalloc.
17132 (output_func_start_profiler): Likewise.
17133 * c-typeck.c (digest_init): Check if init is error_mark_node.
17135 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
17136 Richard Henderson <rth@cygnus.com>
17138 * ggc-page.c: New file.
17139 * Makefile.in (ggc-page.o): New.
17141 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
17143 * invoke.texi: Document -fdelete-null-pointer-checks
17144 * toplev.c (flag_delete_null_pointer_checks): New.
17145 (f_options): Add entry for -fdelete-null-pointer-checks.
17146 (rest_of_compilation): Conditionalize null pointer check
17147 elimination on flag_delete_null_pointer_checks.
17148 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
17150 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
17152 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
17153 copyright notice and special exception to GPL.
17155 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17157 * abi64.h (mips_function_value): Add prototype arguments.
17159 * mips-protos.h: New file with mips prototypes.
17161 * mips.c: Include "tm_p.h".
17162 (mktemp, lookup_name): Add prototype arguments.
17163 (extern_list, string_constant, mips_fill_delay_slot,
17164 mips_output_external, mips_output_external_libcall,
17165 mips_output_filename, mips_declare_object, function_prologue,
17166 mips_expand_prologue, function_epilogue, mips16_constant,
17167 build_mips16_function_stub, mips_output_conditional_branch):
17169 (mips_va_start): Remove unused variable `u'.
17170 (mips_va_arg): Cast value to unsigned when comparing against one.
17172 (save_restore_insns, mips_expand_prologue): Add missing arg in
17173 call to `large_int'.
17175 * mips.h: Move prototypes to mips-protos.h.
17176 (data_section, memory_address_p, rdata_section,
17177 readonly_data_section, simple_epilogue_p, text_section): Delete
17178 prototypes delcared elsewhere.
17179 (mips_epilogue_delay_slots, print_options): Delete unused decls.
17181 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
17183 * mips.md: Delete extra args in call to `mips_move_2words'.
17185 * xm-iris6.h (alloca): Add prototype argument.
17187 * genpeep.c: Include "tm_p.h" in generated output file.
17189 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17191 * basic-block.h (find_edge_index): Change parameters.
17192 * flow.c (verify_edge_list): Pass basic_block parameters to
17193 find_edge_index instead of integers.
17195 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
17197 * combine.c (simplify_comparison): Use an unsigned shift to adjust
17200 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
17202 * gcc.1: Fix a formatting error.
17204 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17206 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
17207 i786, mn10200, mn10300, pdp11, v850.
17209 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
17211 * libgcc2.c (num_digits): Add prototype with
17212 __attribute__((const)).
17213 (__terminate): Add prototype.
17215 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
17217 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
17219 * alpha/alpha.c (print_operand): Fix type of `code'.
17220 (alpha_output_filename): Constify.
17221 * alpha/alpha.h: Move all function declarations ...
17222 * alpha/alpha-protos.h: ... here. New file.
17223 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
17224 (SECTION_FUNCTION_TEMPLATE): Likewise.
17226 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17228 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
17229 * expr.c (expand_expr): Likewise.
17230 (do_jump): Likewise.
17231 (do_store_flag): Pass ccp_store_flag to can_compare_p.
17232 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
17234 (enum can_compare_purpose): New.
17235 (can_compare_p): Adjust prototype.
17236 (prepare_cmp_insn, prepare_operand): Declare.
17237 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
17238 * optabs.c (cmp_available_p): Deleted.
17239 (expand_abs): Pass ccp_jump to can_compare_p.
17240 (can_compare_p): New arg PURPOSE. Check for combined optabs.
17241 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
17242 Call can_compare_p rather than cmp_available_p.
17243 (prepare_operand): No longer static.
17244 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
17245 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
17246 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
17247 sequence to use emit_cmp_and_jump_insns.
17248 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
17250 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
17252 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
17253 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
17254 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
17255 (plus (reg) (const_int 0))
17256 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
17258 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
17260 * rs6000.c (expand_block_move): DImode loads and stores require
17261 word-aligned displacements. Increment address registers with
17262 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
17264 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
17266 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
17267 is no name for the base type, rather than segfault. If we are
17268 writing out a complex integer type, use DW_ATE_lo_user.
17270 * expr.c (emit_move_insn_1): If we are copying a complex that fits
17271 in one word or less (complex char, complex short, or on 64 bit
17272 systems complex float) to/from a hard register, copy it through
17273 memory instead of dying in gen_{real,imag}part. If we have a
17274 short complex type, prevent inlining since it allocates stack
17277 * tree.c (build_complex_type): If we are writing dwarf2 output,
17278 generate a name for complex integer types.
17280 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17282 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
17283 * flow.c (remove_edge): Remove extra whitespace.
17284 (remove_fake_edges): Fix comment.
17285 (add_noreturn_fake_exit_edges): Use the correct name.
17287 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
17289 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
17290 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
17291 (clean): Depend on INTL_CLEAN.
17292 (maintainer-clean): Adjust.
17294 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17296 * configure.in (AC_PREREQ): Bump to 2.13.
17297 (AC_C_STRINGIZE): Call this instead of using a custom macro.
17299 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
17301 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
17303 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
17305 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
17306 (HAVE_STRINGIZE): Define.
17308 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
17310 * c-parse.in: save and restore warn_pointer_arith on __extension__
17311 along with pedantic.
17312 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
17313 Set the type of extension to itype rather than $<itype>1 kludge.
17314 * extend.texi (Alternate Keywords): Adjust documentation.
17315 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
17317 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
17319 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
17320 most assembler templates.
17322 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
17323 FP loads and stores.
17324 (following_call): Always return zero for the PA8000.
17325 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
17326 FP loads and stores.
17327 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
17329 * pa.h (BRANCH_COST): Define.
17331 * pa.md (return, return_internal): Use bve for PA2.0.
17333 * pa.md (fused multiply): Add variants which reduce height for the
17334 fused multiply, but which still generate 2 insns.
17335 (fnegabs): Similarly.
17337 * pa.md (subsi3): Turn into an expander. Create two anonymous
17338 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
17339 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
17341 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
17343 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
17345 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
17346 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
17348 * regclass.c (init_regs): Add "top_of_stack" as a garbage
17351 * flow.c (record_active_eh_regions): Terminate loop after finding
17352 the last insn in the last basic block.
17354 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17356 * config/c4x/c4x.md: Delete parallel instruction peepholes.
17358 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17360 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
17362 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17364 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
17365 splitting to not use output template.
17367 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17369 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
17370 * config/c4x/c4x.c (c4x_va_start): New function.
17372 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
17374 * genrecog.c (not_both_true): Handle correctly cases when called for
17375 tests with different positions in the insn.
17377 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17379 * machmode.h (HOST_PTR_PRINTF): Move from here ...
17381 * system.h (HOST_PTR_PRINTF): ... to here.
17383 * mips-tfile.c: Don't include machmode.h.
17385 * Makefile.in (MACHMODE_H): New variable. Update to use it.
17386 (mips-tfile.o): Don't depend on machmode.h.
17388 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17390 * haifa-sched.c (sched_analyze): Rename local variable `region' to
17391 avoid conflicts with typedef struct `region' at the top level scope.
17393 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
17395 * basic-block.h (basic_block): Add eh_beg, eh_end.
17396 * flow.c (entry_exit_blocks): Update.
17397 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
17398 Call new functions.
17399 (find_basic_blocks_1): Don't record eh_list at each bb. Use
17400 lists.c functions to allocate insn lists.
17401 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
17403 (make_eh_edge): ... here. New.
17404 (move_stray_eh_region_notes): New.
17405 (record_active_eh_regions): New.
17406 (delete_unreachable_blocks): Split out block merging ...
17407 (try_merge_blocks): ... here. New.
17408 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
17409 Dump debugging data.
17410 (merge_blocks_move_successor_nojumps): Likewise.
17411 (merge_blocks): Use eh_beg+eh_end to validate block movement.
17413 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17415 * extend.texi (Bound member functions): Document unbound pmf
17418 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17420 * flow.c (split_edge): Handle insertion on a fallthrough edge which
17421 has the EXIT_BLOCK as a dest.
17423 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17425 * flow.c (remove_edge): New function to remove an edge from the
17427 (remove_fake_successors): New function to remove fake successor edges.
17428 (remove_fake_edges): New function to remove all fake edges from the
17430 (add_fake_exit_edges): New function to add fake edges from all blocks
17431 with no successors to the exit block.
17432 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
17433 prototypes for new functions.
17435 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17437 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
17438 Use Pmode to determine whether to output .dword or .word.
17440 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
17442 * tree.c (built_in_filename): New variable.
17443 (BUILT_IN_FILENAME): New macro.
17444 (init_tree_codes): Allocate built_in_filename.
17445 (make_node): Use built_in_filename instead of string constant.
17447 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
17449 * configure.in: Add fr30 target.
17450 * configure: Regenerate.
17451 * config/fr30: New directory.
17452 * config/fr30/crti.asm: New file.
17453 * config/fr30/fr30.c: New file.
17454 * config/fr30/crtn.asm: New file.
17455 * config/fr30/fr30.h: New file.
17456 * config/fr30/fr30.md: New file.
17457 * config/fr30/lib1funcs.asm: New file.
17458 * config/fr30/t-fr30: New file.
17459 * config/fr30/xm-fr30.h: New file.
17461 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
17463 * flow.c (merge_blocks_move_successor_nojumps): Delete the
17464 BARRIER at the end of the successor, not the BARRIER before
17467 * pa.c (pa_add_gc_roots): Fix thinko in last change.
17469 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
17471 * stmt.c (any_pending_cleanups): Don't crash when
17472 current_function->stmt is unset.
17474 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17476 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
17477 other initializations that may use it for relative offsets.
17479 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17481 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
17482 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
17483 * config/i386/sol2dbg.h: Removed.
17484 * config/i386/sol2gas.h: New file, to enable gas work-around.
17485 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
17486 Don't use sol2dbg.h.
17487 * configure: Rebuilt.
17489 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
17491 * invoke.texi (-fthis-is-variable): Remove documentation.
17493 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
17495 * basic-block.h (compute_bb_for_insn): Declare.
17496 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
17497 to use; set size of basic_block_for_insn directly.
17498 (find_basic_blocks): Update.
17500 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17502 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
17504 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17506 * crtstuff.c (ON_EXIT): Delete empty macro definition.
17507 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
17509 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
17511 * c-decl.c (c_decode_option): Extend comment.
17513 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
17515 * toplev.c (progname): Make 'const char *'
17516 (flag_print_mem): Move out of main.
17517 (version_flag): Move out of main.
17518 (filename): Move out of main.
17519 (debug_args): Remove g prefix from options.
17520 (documented_lang_options): Remove cpplib specific options.
17521 (display_help): Add g prefix to debug options.
17522 (check_lang_option): Delete this function.
17523 (decode_d_option): New function: Decode -d... option.
17524 (decode_f_option): New function: Decode -f... option.
17525 (decode_W_option): New function: Decode -W... option.
17526 (decode_g_option): New function: Decode -g... option.
17527 (independent_decode_option): New function: Decode a language
17528 independent command line option.
17529 (main): Invoke lang_decode_option and then
17530 independent_decode_option on each command line option in
17533 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
17535 Revert this change. Gavin's patch to operand_equal_p is a better fix.
17536 * fold-const.c (fold_range_test): Do not try to fold the range
17537 test if the rhs or lhs has side effects.
17539 * basic-block.h (compute_flow_dominators): Declare.
17541 * gcse.c (alloc_code_hoist_mem): New function.
17542 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
17543 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
17544 (hoist_code, one_code_hoisting_pass): Likewise.
17545 (gcse_main): If optimizing for size, then hoist expressions
17546 computed in multiple dominated basic blocks.
17548 * gcse.c (invalid_nonnull_info): New function.
17549 (delete_null_pointer_checks): Likewise.
17550 * rtl.h (delete_null_pointer_checks): Declare.
17551 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
17553 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
17554 (merge-blocks_move_successor_nojumps): Likewise.
17555 (merge_blocks): Allow merging of some blocks, even if it requires
17556 physical movement of the blocks, but not if it requires new jumps.
17558 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
17559 Callers and prototype changed.
17560 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
17562 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17564 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
17565 -YP when both -p and -pg are present. From i386/sol2.h.
17567 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17569 * Makefile.in (distclean): Delete tm_p.h.
17570 * configure.in: Create a new file, "tm_p.h", from a list in
17571 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
17572 "i386/i386-protos.h".
17574 * alias.c: Include "tm_p.h".
17575 * c-typeck.c: Likewise.
17576 * calls.c: Likewise.
17578 * emit-rtl.c: Likewise.
17579 * explow.c: Likewise.
17580 * expmed.c: Likewise.
17581 * expr.c: Likewise.
17582 * final.c: Likewise.
17583 * flow.c: Likewise.
17584 * fold-const.c: Likewise.
17585 * function.c: Likewise.
17586 * gcse.c: Likewise.
17587 * global.c: Likewise.
17588 * haifa-sched.c: Likewise.
17589 * integrate.c: Likewise.
17590 * jump.c: Likewise.
17591 * local-alloc.c: Likewise.
17592 * loop.c: Likewise.
17593 * optabs.c: Likewise.
17594 * recog.c: Likewise.
17595 * reg-stack.c: Likewise.
17596 * regclass.c: Likewise.
17597 * regmove.c: Likewise.
17598 * reload.c: Likewise.
17599 * reload1.c: Likewise.
17600 * reorg.c: Likewise.
17601 * resource.c: Likewise.
17602 * stmt.c: Likewise.
17603 * stor-layout.c: Likewise.
17604 * toplev.c: Likewise.
17605 * tree.c: Likewise.
17606 * unroll.c: Likewise.
17607 * genattrtab.c (main): Make generated file include "tm_p.h".
17608 * genemit.c (main): Likewise.
17609 * genoutput.c (main): Likewise.
17610 * genrecog.c (main): Likewise.
17612 * i386.h: Delete all prototypes.
17613 * i386.c: Include "tm_p.h".
17614 (ix86_attr_length_default): Call constant_call_address_operand
17615 with correct number of arguments.
17616 * i386-protos.h: New file.
17617 * i386.md (unnamed patterns): Call constant_call_address_operand
17618 with correct number of arguments.
17619 (exception_receiver): Call load_pic_register with correct number
17622 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
17624 * c-pragma.c (mark_align_stack): Dereference the void* properly.
17626 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
17628 * rtl.h (insns_safe_to_move_p): New function.
17629 * loop.c (find_and_verify_loops): Use it.
17630 * rtlanal.c (insns_safe_to_move_p): Define it.
17632 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
17634 * c-pragma.c: Include ggc.h.
17635 * Makefile.in (c-pragma.o): Update.
17637 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17639 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
17640 (LIB_SPEC): Likewise.
17641 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
17642 Reindent -YP/-p/-pg.
17643 Copied from config/sparc/sol2.h.
17645 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
17647 * c-pragma.c (mark_align_stack): New.
17648 (init_pragma): New.
17649 * c-pragma.h (init_pragma): Declare it.
17650 * c-lex.c (init_parse): Call it.
17652 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17654 * configure.in: Pick up thread library on Solaris/x86 just
17655 like on Solaris/sparc.
17656 * configure: Rebuilt.
17658 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
17660 * rtl.h (global_rtx_index): New enum.
17661 (global_rtl): Change to array of rtx.
17662 (pc_rtx, cc0_rtx): Redefine accordingly.
17663 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
17664 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
17665 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
17666 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
17667 (const_int_rtx): Change to array of rtx.
17668 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
17670 * emit-rtl.c (global_rtl): Change to array of rtx.
17671 (const_int_rtx): Change to aray of rtx.
17672 (gen_rtx_CONST_INT): Redefine accordingly.
17673 (init_emit_once): Allocate and initialize global_rtl. Likewise
17674 for const_int_rtx. Add both as GC roots.
17675 * genattrtab.c (global_rtl): Update declaration.
17677 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
17679 * Makefile (USER_H): Add iso646.h back.
17681 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
17683 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
17684 zapping the LOG_LINKS of sched_before_next_call.
17686 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
17687 * pa.c (insn_refs_are_delayed): Renamed from
17688 insn_sets_and_refs_are_delayed.
17690 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
17692 * functiion.h (struct function): Add x_whole_function_mode_p.
17693 (retrofit_block): Declare.
17694 * function.c (retrofit_block): New function.
17695 (identify_blocks): Add assertions. Allow an incomplete set of
17696 block notes if we're still generating code for the function.
17697 * integrate.c: Include loop.h.
17698 (expand_inline_function): Call find_loop_tree_blocks to map block
17699 notes to blocks when in whole-function mode. Use retrofit_block
17700 to insert new BLOCKs for the inlined function, rather than
17702 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
17703 * Makefile.in (integrate.o): Depend on loop.h.
17705 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
17707 * tree.h (warn_about_unused_variables): Declare.
17708 * stmt.c (warn_about_unused_variables): New function, split out
17710 (expand_end_bindings): Here.
17712 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
17714 * stmt.c (preserve_subexpressions_p): Don't crash when
17715 current_function->stmt is unset.
17717 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
17719 * stmt.c (expand_start_bindings): Allow callers to pass a flag
17720 indicating that no NOTE_INSN_BLOCK_BEG note is required.
17721 (expand_start_target_temps): Use it.
17722 * except.c (expand_eh_region_start_for_decl): Likewise.
17723 * expr.c (expand_expr): Likewise.
17725 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17727 * fold-const.c (operand_equal_p): Pay attention to side effects.
17729 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
17731 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
17732 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
17734 * tlink.c (scan_linker_output): Look for keywords before accepting
17735 a mangled name in quotes.
17737 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
17739 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
17740 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
17742 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
17744 * alpha.md: Revert Thu Nov 26 change that came in through the
17745 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
17746 Avoid earlyclobber when possible.
17748 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17750 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
17752 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
17753 Define HAVE_ON_EXIT.
17755 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17757 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
17758 CTYPE_CONV in all ctype macros.
17760 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
17763 * cexp.y (initialize_random_junk): Likewise.
17765 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
17767 * i370.c (handle_pragma): Likewise.
17769 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
17771 * v850.c (override_options): Likewise.
17773 * doprint.c (_doprnt): Likewise.
17775 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
17778 * fixinc/server.c (load_data): Likewise.
17780 * fold-const.c (real_hex_to_f): Likewise.
17782 * genattr.c (write_upcase, gen_attr): Likewise.
17784 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
17785 write_upcase): Likewise.
17787 * genemit.c (print_code): Likewise.
17789 * genopinit.c (gen_insn): Likewise.
17791 * genpeep.c (print_code): Likewise.
17793 * genrecog.c (print_code): Likewise.
17795 * optabs.c (init_libfuncs): Likewise.
17797 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
17799 * haifa-sched.c (sched_analyze): Keep the list of notes organized
17801 (reemit_notes): Likewise.
17803 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
17805 * ggc.h (ggc_root): Move to ggc-common.c.
17807 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
17808 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
17809 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
17810 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
17811 * ggc-common.c (ggc_root): Move from ggc.h.
17812 (roots): Declare, static.
17813 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
17814 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
17815 null or check/set mark bit.
17816 (ggc_mark_roots): New.
17817 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
17819 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
17821 * m32r.c: Include toplev.h.
17822 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
17823 (gen_compare): Rename swap_p to must_swap to match uses.
17824 Add default abort case.
17825 (m32r_output_function_epilogue): Remove unused variables.
17826 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
17827 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
17828 define to empty parameter list. Update all uses.
17829 (predicate decls): Use enum machine_mode not int.
17830 * m32r.md (movsi): Call abort, not fatal_insn.
17831 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
17833 1999-09-14 Andrew Haley <aph@cygnus.com>
17835 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
17836 use $0 instead of 0.
17838 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17840 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
17841 computation out of loop over hard regs.
17843 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
17845 * function.c (identify_blocks): Don't shadow a variable in an
17847 * integrate.c (integrate_decl_tree): Don't use pushlevel,
17848 pushdecl, or poplevel to build up the new BLOCK tree.
17849 (expand_inline_function): Likewise.
17850 (integrate_parm_decls): Likewise.
17852 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
17854 * c-typeck.c (qualify_type): Merge qualifiers from both types.
17856 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
17858 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
17859 * invoke.texi: Document this change.
17861 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
17863 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
17865 (mark_emit_status): Renamed from mark_emit_state.
17866 * except.c (mark_eh_status): Renamed from mark_eh_state.
17867 Check not null before marking.
17868 (free_eh_status): New.
17869 * expr.c (mark_expr_status, free_expr_status): New.
17870 * function.c (free_machine_status): New.
17871 (free_after_parsing): New.
17872 (free_after_compilation): Move bits to free_after_parsing; call
17873 free_eh_status, free_expr_status; zero the marked members of the
17875 (prepare_function_start): No can_garbage_collect.
17876 Call init_eh_for_function.
17877 (expand_dummy_function_end): Free up current_function state.
17878 (mark_function_status): Renamed from mark_function_state.
17879 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
17880 * function.h (struct function): No can_garbage_collect.
17881 (free_machine_status, free_after_parsing): Declare.
17882 (free_eh_status, free_expr_status): Declare.
17883 * ggc.h (mark_expr_status): Declare.
17884 * stmt.c (free_stmt_status): Free the struct.
17885 (mark_stmt_status): Renamed from mark_stmt_state.
17886 (init_stmt): Don't call init_eh.
17887 (init_stmt_for_function): Don't call init_eh_for_function.
17888 * toplev.c (compile_file): Call init_eh.
17889 (rest_of_compilation): Free basic block info before ggc_collect.
17890 Call free_after_parsing; conditionally call free_after_compilation.
17891 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
17892 Check not null before marking.
17893 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
17895 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
17897 * c-lex.c (yylex): Initialize warn.
17899 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
17901 * pa.c (emit_move_sequence): Properly set the mode of the scratch
17902 register when performing secondary reloads for the SAR register.
17904 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
17906 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
17907 (NOTE_BLOCK): New macro.
17908 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
17909 * function.h (identify_blocks): Change prototype.
17910 * function.c (identify_blocks): Simplify.
17911 (reorder_blocks): Likewise.
17912 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
17913 NOTE_INSN_BLOCK_{BEG,END}.
17914 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
17915 the list of saved notes if the note isn't a
17916 NOTE_INSN_BLOCK_{BEG,END}.
17917 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
17919 (reemit_notes): Adjust recreation of notes to reflect new saved
17921 * print-rtl.c (print_rtx): Print the address of the BLOCK when
17922 printing a block note.
17923 * stmt.c (block_vector): Remove.
17924 (find_loop_tree_blocks): Simplify.
17925 (unroll_block_trees): Likewise.
17926 * tree.h (reorder_block): Change prototype.
17928 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
17930 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
17931 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
17932 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
17933 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
17934 (atexit, exit): Simplify.
17935 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
17936 * config/lots: Remove defns of HAVE_ATEXIT.
17938 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
17940 * calls.c (precompute_arguments): Fix typo in comment.
17941 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
17944 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
17946 * dsp16xx.c (override_options): Fix typos in GC root registration.
17948 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
17950 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
17951 from config/svr4.h.
17952 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
17953 (FUNCTION_PROFILER): Redefine appropriately for Linux.
17954 (CC1_SPEC): Likewise.
17956 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17958 * genattr.c (main): Add extern prototype. Call return, not exit.
17959 * genattrtab.c (main): Likewise.
17960 * gencheck.c (main): Likewise.
17961 * gencodes.c (main): Likewise.
17962 * genconfig.c (main): Likewise.
17963 * genemit.c (main): Likewise.
17964 * genextract.c (main): Likewise.
17965 * genflags.c (main): Likewise.
17966 * gengenrtl.c (main): Likewise.
17967 * genopinit.c (main): Likewise.
17968 * genoutput.c (main): Likewise.
17969 * genpeep.c (main): Likewise.
17970 * genrecog.c (main): Likewise.
17972 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
17973 * genattrtab.c (get_insn_name): Likewise.
17974 * gencodes.c (get_insn_name): Likewise.
17975 * genconfig.c (get_insn_name): Likewise.
17976 * genemit.c (get_insn_name): Likewise.
17977 * genextract.c (get_insn_name): Likewise.
17978 * genflags.c (get_insn_name): Likewise.
17979 * genopinit.c (get_insn_name): Likewise.
17980 * genpeep.c (get_insn_name): Likewise.
17982 * gencheck.c (usage): Add static prototype.
17983 * genextract.c (print_path): Constify a char*.
17984 * genopinit.c (optabs): Likewise.
17985 * genoutput.c (operand_data, data, output_predicate_decls,
17986 compare_operands): Likewise.
17987 * genrecog.c (write_tree): Add default case in switch.
17989 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17991 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
17993 * print-rtl.c (get_insn_name): Remove prototype.
17995 * toplev.h (progname): Declare const.
17997 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
17998 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
17999 dump_sched_info, dump_local_alloc, regset_release_memory,
18000 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
18001 error_with_file_and_line, error_with_decl, error_for_asm, error,
18002 fatal, warning_with_file_and_line, warning_with_decl, warning,
18003 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
18004 Remove redundant prototypes.
18006 (notice, check_lang_option, report_file_and_line, vnotice,
18007 mark_file_stack): Add static prototype.
18008 (set_fatal_function): Add prototype.
18009 (vnotice, report_file_and_line, set_fatal_function,
18010 check_lang_option): Constify a char*.
18011 (main): Prototype. Call return, not exit.
18013 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18015 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
18017 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
18019 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
18021 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
18023 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18025 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
18026 behave as if it's zero in all cases.
18027 (expand_function_start): Adjust call to assign_parms.
18028 * tree.h (assign_parms): Adjust prototype.
18029 * objc/objc-act.c (hack_method_prototype): Adjust call to
18032 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
18034 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
18035 arg_pointer_rtx fixed if the argument pointer register is
18037 (NONZERO_BASE_PLUS_P): Likewise.
18039 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
18041 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
18042 match_insn2 to match_insn.
18043 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
18045 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
18047 * Makefile.in (USER_H): Remove va-foo.h.
18049 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
18050 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
18051 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
18052 va-spur.h,va-v850.h}: Remove.
18054 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
18056 * sparc/sparc.md (eligible_for_return_delay): New attribute.
18057 (in_return_delay): Use it instead of match_insn.
18059 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18061 * config/alpha/va_list.h (va-alpha.h): Do not include.
18062 (__gnuc_va_list): Typedef as in varargs.h.
18064 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
18066 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
18067 DECL_LIVE_RANGE_RTL.
18069 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
18071 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
18072 not NOTE_BLOCK_NUMBER.
18073 (expand_eh_region_end): Likewise.
18074 (find_exception_handler_labels): Likewise.
18075 (scan_region): Likewise.
18076 (exception_optimize): Likewise.
18077 (update_rethrow_references): Likewise.
18078 (set_insn_eh_region): Likewise.
18079 * final.c (final_scan_insn): Likewise.
18080 * flow.c (make_edges): Likewise.
18081 * integrate.c (expand_inline_function): Likewise.
18082 * print-rtl.c (print_rtx): Likewise.
18084 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
18086 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
18087 terms of builtin functions and types.
18089 * mips.c (mips_build_va_list): New.
18090 (mips_va_start, mips_va_arg): New.
18091 * mips.h (BUILD_VA_LIST_TYPE): New.
18092 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
18094 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
18095 (sh_build_va_list, sh_va_start, sh_va_arg): New.
18096 * sh.h (BUILD_VA_LIST_TYPE): New.
18097 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
18099 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
18101 * recog.h (struct recog_data): Make dup_num, operand_address_p,
18102 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
18103 (struct insn_data): Likewise with n_operands, n_dups,
18104 n_alternatives, output_format.
18105 * regclass.c (scan_one_insn): Cast n_operands to int before
18106 arithmetic inside comparison.
18108 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
18110 * toplev.c (compile_function): Unconditionally emit nop.
18112 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18114 * haifa-sched.c (actual_hazard): Move declaration of variable
18115 `this_cost' into the scope where it is used.
18117 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18119 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
18120 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
18121 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
18123 * genrecog.c (make_insn_sequence): Call memset, not bzero.
18125 * jump.c (find_insert_position): Don't declare or define unless
18126 !HAVE_conditional_arithmetic.
18127 (returnjump_p_1, delete_prior_computation): Add static prototypes.
18129 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
18131 * recog.c (offsettable_address_p): Prototype function pointer.
18132 (preprocess_constraints): Call memset, not bzero.
18134 * tree.c (tree_node_kind_names): Constify a char*. Make static.
18135 (gcc_obstack_init): Don't declare.
18136 (fix_sizetype): Add static prototype.
18137 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
18138 (tree_cons): Call memset, not bzero.
18140 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
18141 definition in macro ASM_WEAKEN_LABEL.
18142 (mark_const_hash_entry): Add static prototype.
18144 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18146 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
18148 * unroll.c (find_common_reg_term, subtract_reg_term,
18149 loop_find_equiv_value): Add static prototypes.
18150 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
18151 (copy_loop_body): Remove unreachable break statement.
18153 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
18155 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
18157 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18159 Undo some changes from the gcc2 merge:
18160 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
18161 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
18165 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
18166 * emit-rtl.c (gen_lowpart_common): Disable optimization of
18167 initialized float-int union if the value is a NaN.
18169 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
18171 * gthr-win32.h: New file.
18173 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
18174 shared as a valid attribute.
18175 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
18176 * extend.texi: Document `shared' variable attribute.
18178 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
18180 * configure.in: Handle --enable-threads on FreeBSD.
18181 * configure: Rebuit.
18183 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
18185 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
18187 * configure: Rebuilt.
18189 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
18190 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
18191 Rosimildo DaSilva <rdasilva@connecttel.com>
18193 * configure.in (m68k-*-rtemscoff*): Added.
18194 * configure.in (mips64orion-*-rtems*): Converted to ELF.
18195 * configure.in (sparc-*-rtemsaout*): Added as alias for old
18196 sparc-rtems configuration.
18197 * configure.in (sparc-*-rtemself*): Added.
18198 * configure.in (sparc-*-rtems*): Now ELF not a.out.
18199 * config/i386/rtems.h: Added comment.
18200 * config/sparc/rtemself.h: New file.
18202 * configure.in (m68k-rtemself): Added.
18203 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
18204 and DWARF_DEBUGGING_INFO.
18205 * config/m68k/crti.s: New file.
18206 * config/m68k/crtn.s: New file.
18207 * config/m68k/t-crtstuff: New file.
18208 * config/m68k/rtemself.h: New file.
18210 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
18211 global ctor/dtor and C++ exception handling.
18212 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
18213 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
18215 * config/i386/t-rtems-i386: New File.
18217 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
18219 * stmt.c (expand_end_case): Return right away if the case stack is
18222 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
18224 * Makefile.in (version.c): Remove rule incorrectly brought in from
18227 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
18229 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
18230 * msdos/top.sed: Take into account a prepended $(SHELL) to
18232 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
18234 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
18236 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18238 * regmove.c (fixup_match_1): Don't change an unchanging register.
18239 (stable_but_for_p): Renamed to:
18240 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
18241 Changed all callers.
18243 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
18245 * loop.c (strength_reduce): Don't call reg_used_between_p if the
18246 insn from BL2 is after the insn from BL.
18248 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
18250 * recog.h (INSN_OUTPUT_FORMAT_*): New.
18251 (struct insn_data): Merge `template' and `outfun' into `output'.
18252 Add `output_format'.
18253 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
18254 (struct data): Remove `outfun'; add `output_format'.
18255 (name_for_index): Remove declaration.
18256 (output_insn_data): Handle output formats.
18257 (process_template): Emit the bare array for @.
18258 (gen_expand, gen_split): Set output_format to NONE.
18259 * output.h (get_insn_template): Declare.
18260 * final.c (get_insn_template): New.
18261 (final_scan_insn): Use it.
18262 * toplev.c (compile_file): Likewise.
18264 * c4x/c4x.c (c4x_process_after_reload): Likewise.
18265 * i860/i860.c (output_delayed_branch): Likewise.
18266 (output_delay_insn): Likewise.
18268 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18270 * rtl.c (obstack_alloc_rtx): Removed.
18272 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
18274 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
18276 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
18278 * i386.c (call_insn_operand): Reject const_int.
18279 (expander_call_insn_operand): Use call_insn_operand.
18281 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18283 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
18285 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
18287 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
18288 Use DImode operation.
18290 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
18292 * gcc.c: Include sys/resource.h.
18293 (report_times): New flag.
18294 (execute): If report_times is set, calculate and report the
18295 CPU time consumed by each subprocess.
18297 (rus, prus): New globals.
18298 (option_map): Add --time.
18299 (display_help): Document -time.
18300 (process_command): Set report_times if -time is given.
18301 Turn off -pipe if -time is given.
18303 * invoke.texi: Document new option -time.
18305 * configure.in: Check for getrusage. Check if we have to
18306 prototype getrusage.
18307 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
18308 * configure: Regenerate.
18309 * config.in: Regenerate.
18311 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
18313 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
18316 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
18318 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
18319 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
18320 (nan): Return _thenan_sf or _thenan_df as appropriate.
18321 (L_thenan_sf): Define _thenan_sf.
18322 (L_thenan_df): Define _thenan_df.
18324 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
18325 (DPBIT_FUNCS): Add _thenan_df.
18327 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
18329 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
18332 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18334 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
18337 (lang_specific_driver): Don't take a function pointer parameter.
18338 All callers changed.
18340 * gcc.c: Include gcc.h.
18341 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
18342 lang_specific_extra_outfiles, fatal): Don't declare.
18343 (multilib_defaults_raw): Constify.
18344 (read_specs): Call memset, rather than bzero.
18345 (main): Call return, not exit.
18346 (lookup_compiler): Call memcpy, not bcopy.
18347 (fatal): Make extern.
18349 * cppspec.c: Include gcc.h.
18350 (lang_specific_driver): Initialize variable `quote'. Constify a
18351 char*. All calls to the function pointer parameter now
18352 explicitly call `fatal'.
18354 * gccspec.c (lang_specific_driver): Include gcc.h.
18356 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
18358 * arm.c (note_invalid_constants): Use recog_data.operand_type
18361 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18363 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
18366 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
18367 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
18368 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
18369 reload_secondary_in_reload, reload_secondary_out_reload,
18370 reload_secondary_in_icode, reload_secondary_out_icode,
18371 reload_reg_rtx, reload_when_needed): Delete declarations.
18372 (struct reload): New structure.
18373 (rld): Declare new array.
18374 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
18375 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
18376 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
18377 reload_secondary_in_reload, reload_secondary_out_reload,
18378 reload_secondary_in_icode, reload_secondary_out_icode,
18379 reload_reg_rtx, reload_when_needed): Delete definitions.
18381 (whole file): Replace uses of the deleted arrays with uses of rld.
18382 * reload1.c (whole file): Replace uses of the deleted arrays with
18384 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
18385 explicit loops, not with bcopy.
18387 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
18389 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
18390 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
18391 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
18392 insn_name): Delete and consolidate into new structures.
18393 (insn_operand_predicate_fn): New.
18394 (insn_output_fn): New.
18395 (insn_gen_fn): New.
18396 (struct insn_operand_data): New.
18397 (struct insn_data): New.
18399 (OUT_FCN): Update for insn_data change.
18400 * builtins.c (expand_builtin_strlen): Likewise.
18401 (expand_builtin_memcmp): Likewise.
18402 * combine.c (make_extraction, simplify_comparison): Likewise.
18403 * cse.c (canon_reg, cse_insn): Likewise.
18404 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
18405 * expmed.c (store_bit_field, extract_bit_field): Likewise.
18406 (emit_store_flag): Likewise.
18407 * expr.c (convert_move, emit_block_move): Likewise.
18408 (clear_storage, emit_push_insn, expand_increment): Likewise.
18409 (do_store_flag): Likewise.
18410 * expr.h (GEN_FCN): Likewise.
18411 (insn_gen_function): Die.
18412 * final.c (final_scan_insn): Update for insn_data change.
18413 (output_asm_name): Likewise.
18414 * function.c (fixup_var_refs_1): Likewise.
18415 * loop.c (check_dbra_loop): Likewise.
18416 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
18417 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
18418 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
18419 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
18420 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
18421 * regmove.c (gen_add3_insn): Likewise.
18422 * reload.c (push_secondary_reload, combine_reloads): Likewise.
18423 (find_reloads, find_reloads_address_1): Likewise.
18424 (debug_reload_to_stream): Likewise.
18425 * reload1.c (emit_reload_insns, gen_reload): Likewise.
18426 * stmt.c (expand_end_case): Likewise.
18427 * toplev.c (compile_file): Likewise.
18429 * c4x/c4x.c (c4x_process_after_reload): Likewise.
18430 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18432 * print-rtl.c (insn_name_ptr): Remove declaration.
18433 (get_insn_name): Declare.
18434 (print_rtx): Use it.
18435 * genoutput.c (insn_name_ptr): Remove.
18436 (next_operand_number): New.
18437 (struct operand_data): New.
18438 (null_operand, odata, odata_end): New.
18439 (struct data): Use struct operand_data.
18440 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
18441 (get_insn_name): Renamed from name_for_index.
18442 (output_prologue): Define NO_MD_PROTOTYPES.
18443 (output_predicate_decls): Break out from output_epilogue.
18444 Iterate over the operands list.
18445 (output_operand_data): Break out from output_epilogue. Emit
18446 just the operands list.
18447 (output_insn_data): Break out from output_epilogue. Emit just
18449 (output_epilogue): Remove.
18450 (output_get_insn_name): New.
18451 (constraints, op_n_alternatives, predicates, address_p): Die.
18452 (modes, strict_low, seen): Die.
18453 (scan_operands): Take new param `d' instead of writing to
18454 seven global variables.
18455 (compare_operands): New.
18456 (place_operands): New.
18457 (validate_insn_alternatives): Update for struct data change.
18458 (gen_insn): Don't zero or copy 7 global arrays. Update for
18459 scan_operands; call place_operands.
18460 (gen_peephole, gen_expand, gen_split): Likewise.
18461 (main): Update for new output routines.
18463 * genattr.c (insn_name_ptr): Remove.
18464 (get_insn_name): New function.
18465 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
18466 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
18467 * genrecog.c: Likewise.
18469 * alpha.md (adddi3): Make `pattern' array static.
18471 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18473 * config/c4x/c4x.h (c4x_rpts_cycles_string,
18474 c4x_cpu_version_string): Constify char *.
18475 * config/c4x/c4x.c (c4x_rpts_cycles_string,
18476 c4x_cpu_version_string): Likewise.
18478 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
18480 * tree.c (save_tree_status): Revert 10 Sep change.
18481 (restore_tree_status): Likewise. Call obstack_free with NULL
18482 before freeing the obstack proper.
18484 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
18486 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
18488 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
18489 surrounding context.
18491 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
18493 * tree.c (type_hash_canon): Put all types in the hash-table, when
18496 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
18498 * recog.h (struct recog_data, recog_data): New.
18499 (recog_foo variables): Kill.
18500 * recog.c (recog_operand, recog_operand_loc): Kill.
18501 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
18502 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
18503 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
18504 (recog_data): Define.
18505 (extract_insn): Update all recog_foo references to use recog_data.
18506 (preprocess_constraints, constrain_operands): Likewise.
18507 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
18508 * genattrtab.c (main): Likewise.
18509 * genextract.c (main): Likewise.
18510 * genoutput.c: Likewise.
18511 * genrecog.c (write_subroutine, main): Likewise.
18512 * local-alloc.c (block_alloc): Likewise.
18513 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
18514 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
18515 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
18516 * reload.c (find_reloads, find_reloads_toplev): Likewise.
18517 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
18518 (reload_cse_simplify_operands): Likewise.
18520 * arc/arc.c (arc_final_prescan_insn): Likewise.
18521 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
18522 * h8300/h8300.c (notice_update_cc): Likewise.
18523 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
18524 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
18525 * mn10200/mn10200.c (notice_update_cc): Likewise.
18526 * mn10300/mn10300.c (notice_update_cc): Likewise.
18527 * romp/romp.c (update_cc): Likewise.
18528 * sparc/sparc.c (check_pic): Likewise.
18529 * v850/v850.c (notice_update_cc): Likewise.
18531 * genemit.c (main): Don't declare recog_operand.
18533 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
18535 * ggc.h (rtvec_def): Forward declare.
18536 (tree_node): Likewise.
18537 (ggc_root): Define.
18539 (ggc_set_mark_rtx): Add prototype.
18540 (ggc_set_mark_rtvec): Likewise.
18541 (ggc_set_mark_tree): Likewise.
18542 * ggc-simple.c (ggc_root): Don't define.
18543 (roots): Don't declare.
18544 (ggc_mark_rtx): Remove.
18545 (ggc_mark_rtvec): Likewise.
18546 (ggc_mark_tree): Likewise.
18547 (ggc_mark_varray): Likewise.
18548 (ggc_mark_tree_hash_table_entry): Likewise.
18549 (ggc_mark_tree_hash_table): Likewise.
18550 (ggc_set_mart_rtx): New function.
18551 (ggc_set_mark_rtvec): Likewise.
18552 (ggc_set_mark_tree): Likewise.
18553 (ggc_add_root): Remove.
18554 (ggc_add_rtx_root): Likewise.
18555 (ggc_remove_tree_root): Likewise.
18556 (ggc_add_string_root): Likewise.
18557 (ggc_add_tree_varray_root): Likewise.
18558 (ggc_add_tree_hash_table_root): Likewise.
18559 (ggc_del_root): Likewise.
18560 (ggc_mark_rtx_ptr): Likewise.
18561 (ggc_mark_tree_ptr): Likewise.
18562 (ggc_mark_string_ptr): Likewise.
18563 (ggc_mark_tree_varray_ptr): Likewise.
18564 (ggc_mark_tree_hash_table_ptr): Likewise.
18565 * ggc-common.c: New file.
18566 * Makefile.in (OBJS): Add ggc-common.o.
18567 (ggc-common.o): List dependencies.
18569 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
18571 * cppalloc.c (xstrdup): Use memcpy.
18572 * cpperror.c (cpp_print_containing_files): Don't use
18574 * cpplib.c (conditional_skip): Set temp->lineno.
18575 (do_endif): Make error message less obscure.
18576 (if_directive_name): New function.
18577 (cpp_get_token [case EOF]): Unwind the if stack and generate
18578 error messages for each unterminated conditional in this file.
18579 (parse_string): Do not behave differently if -traditional.
18581 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
18583 * builtins.c (expand_builtin_va_arg): Cope with an array-type
18584 va_list decomposing to pointer-type.
18585 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
18586 (rs6000_va_arg): Likewise.
18588 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
18590 * except.c (start_dynamic_handler): Compute size using
18591 STACK_SAVEAREA_MODE.
18593 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18595 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
18596 include directory headers. Don't define strrchr. Don't provide
18597 my_* replacement functions. Prefer PTR over `pointer_type'.
18598 Don't prototype system functions. Don't redefine getopt.
18600 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
18601 safe_read, safe_write, save_pointers, restore_pointers,
18602 is_id_char, in_system_include_dir, directory_specified_p,
18603 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
18604 find_corresponding_lparen, referenced_file_is_newer,
18605 save_def_or_dec, munge_compile_params, gen_aux_info_file,
18606 process_aux_info_file, identify_lineno, check_source,
18607 seek_to_line, forward_to_next_token_char, output_bytes,
18608 output_string, output_up_to, other_variable_style_function,
18609 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
18610 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
18611 find_static_definition, connect_defs_and_decs, add_local_decl,
18612 add_global_decls, needs_to_be_converted, visit_each_hash_node,
18613 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
18614 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
18615 scan_for_missed_items, edit_file, string_list_cons): Add static
18617 (standard_exec_prefix, target_machine, target_version,
18618 default_syscalls_dir, string_list, string_list_cons, find_file,
18619 do_cleaning): Constify a char*.
18620 (safe_read, safe_write): Use PTR, not a char*.
18621 (is_id_char): Take an int, not a char.
18622 (main): Add prototype. Call return, not exit.
18624 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
18626 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
18627 when comparing types.
18629 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
18631 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
18632 (strength_reduce): Release the varrays from the no-bivs early exit.
18634 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
18635 the loop over the registers.
18637 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
18639 (restore_tree_status): Check that instead when freeing the obstack.
18641 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
18643 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
18646 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18648 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
18649 operand size modifiers.
18651 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18653 * c-common.c (c_common_nodes_and_builtins): Don't build
18655 * c-common.h (enum c_tree_index and related accesor macros): Remove
18656 everything now declared in tree.h.
18657 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18658 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
18659 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
18660 (error_mark_node, void_type_node, char_type_node, integer_type_node,
18661 unsigned_type_node, ptr_type_node, va_list_type_node,
18662 integer_zero_node, null_pointer_node, integer_one_node): Delete.
18663 (init_decl_processing): Call build_common_tree_nodes and
18664 build_common_tree_nodes_2 instead of building their nodes here.
18665 Don't add roots for these nodes.
18666 * stor-layout.c (size_zero_node, size_one_node): Delete.
18667 (set_sizetype): Make a new node for bitsizetype each time.
18668 * tree.c (global_trees): New variable.
18669 (init_obstacks): Add a gc root for it.
18670 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
18671 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
18672 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
18673 (build_common_tree_nodes): New function.
18674 (fix_sizetype): New function.
18675 (build_common_tree_nodes_2): New function.
18676 * tree.h (enum tree_index): New.
18677 (global_trees): Declare.
18678 Add accessor macros for all nodes now moved to global_trees.
18679 Delete their declarations.
18681 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
18683 * c-decl.c (finish_function): When processing a nested function,
18684 push and pop GC context around rest_of_compilation.
18686 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
18688 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
18689 Default ix86_arch to PROCESSOR_I386.
18690 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
18691 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
18692 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
18693 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
18694 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
18695 (EXTRA_SPECS): Remove deleted specs.
18697 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
18699 * function.c (assign_stack_local_1): Allocate from
18700 function->x_frame_offset, not frame_offset.
18702 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
18704 * ggc.h (lang_cleanup_tree): Remove.
18705 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
18706 * ggc-callbacks.c (lang_cleanup_tree): Remove.
18708 * c-decl.c (finish_struct): Use ggc_alloc to allocate
18709 TYPE_LANG_SPECIFIC when garbage collecting.
18710 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
18711 (lang_cleanup_tree): Remove.
18713 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18715 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
18716 * crtstuff.c: Not here.
18717 * dwarf2out.c: Or here.
18718 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
18721 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
18723 * function.h (free_after_compilation): Remove decl parameter.
18724 (free_varasm_status0: Likewise.
18725 (free_emit_status): Likewise.
18726 (free_stmt_status): Likewise.
18727 (free_after_compilation): Likewise.
18728 (init_lang_status): New variable.
18729 (free_lang_status): Likewise.
18730 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
18731 * function.c (init_lang_status): New variable.
18732 (free_lang_status): Likewise.
18733 (push_function_context_to): Don't set function::decl here.
18734 (free_after_copmilation): Make decl parameter implicit. Call
18735 free_lang_status if defined.
18736 (prepare_function_start): Call init_lang_status if defined.
18737 (init_function_start): Set function::decl here.
18738 * profile.c (output_func_start_profiler): Don't call pushdecl
18739 until we've actually started the function.
18740 * stmt.c (free_stmt_status): Make decl parameter implicit.
18741 * toplev.c (rest_of_compilation): Don't pass decl to
18742 free_after_compilation.
18743 * varasm.c (free_varasm_status): Likewise.
18745 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18747 * except.c (call_get_eh_context): Add root when allocating static
18750 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
18752 * arm.c: Include "ggc.h".
18753 (arm_add_gc_roots): New function.
18754 (arm_override_options): Call it.
18755 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
18757 * arm.md (define_asm_attributes): Add a pool_range attribute.
18759 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
18761 * extend.texi (Volatiles): New node.
18763 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
18765 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
18766 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
18767 (struct ggc_any): Replace `mark' with `magic_mark'.
18768 (ggc_alloc_string): Use memcpy, not bcopy.
18769 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
18770 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
18771 (ggc_free_any): New.
18772 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
18773 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
18774 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
18775 Use IS_MARKED. Use ggc_free_any.
18777 1999-09-09 Scott Bambrough <scottb@netwinder.org>
18779 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
18781 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
18783 * toplev.c (main): Always init_ggc.
18785 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
18787 * except.c (find_all_handler_type_matches): Free the list if
18788 we found no matches.
18790 * combine.c (SUBST): Break out to a real function do_SUBST.
18791 (SUBST_INT): Likewise.
18792 * gcse.c (free_pre_mem): Free `temp_bitmap'.
18793 (pre_insert): Free `inserted'.
18794 * loop.c (basic_induction_var): Always set `location'.
18796 * function.c (expand_function_end): Add initial_trampoline as a root.
18797 * rtl.h (init_varasm_once): Declare.
18798 * toplev.c (compile_file): Call it.
18799 * ggc-simple.c (ggc_mark_string_ptr): New.
18800 (ggc_add_string_root): New.
18801 (ggc_collect): Disable collection avoidance temporarily.
18802 * ggc.h (ggc_add_string_root): Declare.
18803 * except.c (create_rethrow_ref): Use ggc_alloc_string.
18804 * optabs.c (init_libfuncs): Likewise.
18805 * varasm.c (named_section): Use ggc_alloc_string.
18806 (make_function_rtl): Likewise.
18807 (make_decl_rtl): Likewise.
18808 (assemble_static_space): Likewise.
18809 (assemble_trampoline_template): Likewise.
18810 (output_constant_def): Likewise.
18811 (force_const_mem): Likewise.
18812 (mark_const_hash_entry): New.
18813 (mark_pool_sym_hash_table): New.
18814 (mark_varasm_state): Use it.
18815 (init_varasm_once): New.
18817 * expr.h (init_one_libfunc): Declare.
18818 * optabs.c (init_one_libfunc): New.
18819 (init_optabs): Use it.
18820 * config/gofast.h: Likewise.
18821 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
18822 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
18824 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18826 * Makefile.in (cppexp.o): Depend on cpphash.h.
18827 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
18829 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
18830 * cpplib.c (do_define): Generalise to handle poisoned definitions,
18831 redefining poisoned identifiers, etc.
18832 (do_undef): Don't allow poisoned identifiers to be undefined.
18833 (do_pragma): Add #pragma poison.
18834 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18836 * cccp.c: Add T_POISON node type.
18837 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
18839 (do_define): Generalise to handle poisoned definitions,
18840 redefining poisoned identifiers, etc.
18841 (do_undef): Don't allow poisoned identifiers to be undefined.
18842 (do_pragma): Add #pragma poison.
18843 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
18845 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
18846 * c-pragma.h: Add ps_poison state. We now always have generic
18849 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
18851 * ggc.h (ggc_alloc): New function.
18852 (ggc_mark): Likewise.
18853 * ggc-simple.c (ggc_any): New structure.
18854 (ggc_status): Add anys.
18855 (n_anys_collected): New variable.
18856 (ggc_alloc): Define.
18857 (ggc_mark): Likewise.
18858 (ggc_collect): Collect the anys.
18860 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18862 * c-decl.c (mark_binding_level): Make static to match prototype.
18864 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
18866 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
18868 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
18870 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
18871 will use into account. Expand the max width to 5.
18874 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
18876 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
18877 for the rtx length.
18879 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
18881 * alpha.md (call value patterns): Remove the result predicates.
18883 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
18885 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
18888 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18890 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
18891 changed from extern char *, to extern PTR. Also fix typo in
18892 NEED_DECLARATION_REALLOC test.
18894 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
18896 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18898 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
18899 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
18900 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
18901 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
18903 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
18905 * cccp.c (pcfinclude): Likewise.
18907 * global.c (allocno_compare): Likewise.
18909 * haifa-sched.c (rank_for_schedule): Likewise.
18911 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
18913 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
18915 * stupid.c (stupid_reg_compare): Likewise.
18917 * tree.c (_obstack_allocated_p): Likewise.
18919 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
18921 1999-09-08 Bruce Korb autogen@linuxbox.com
18923 * Makefile.in: Give the hapless gperf user a hint about
18924 why "gperf -F" fails.
18926 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
18928 * lists.c: Include ggc.h.
18930 (init_EXPR_INSN_LIST_cache): Install it.
18932 * ggc-simple.c (init_ggc): Absorb the old init.
18933 (ggc_push_context): Use xcalloc.
18934 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
18935 (ggc_collect): Add [rvts] tags to the collection stats.
18937 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
18939 * cccp.c (main): Fix handling of -include and -imacros options.
18941 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
18943 * cpplib.c (cpp_push_buffer): Fix order of arguments.
18945 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18947 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
18950 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18952 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
18953 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
18954 and SET_DEST. Update comment.
18956 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18958 * config/c4x/c4x.c: Include ggc.h.
18959 (c4x_add_gc_roots): New function.
18960 (c4x_override_options): Call c4x_add_gc_roots.
18962 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
18964 * defaults.h (TARGET_ESC): Move ...
18965 * system.h: ... here, where Linas had it in the first place. Silly me.
18967 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
18969 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
18970 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
18971 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
18972 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
18973 * defaults.h (TARGET_ESC): Add default.
18975 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
18977 * configure.in: add i370-*-openedition, i370-*-mvs and
18978 i370-*-linux targets
18980 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
18982 * dsp16xxx.c: Include ggc.h
18983 (override_options): Mark GC roots.
18984 * mn10200.c: Include ggc.h.
18985 (asm_file_start): Mark GC roots.
18986 * tahoe.c: Include ggc.h.
18987 (extensible_operand): Mark GC roots.
18989 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
18991 * README: Add section discussing status of ELF ABI.
18992 * i370.c: Fix misc spelling mistakes.
18993 (i370_label_scan): Updated notes, exception handling.
18994 (i370_function_prolog): Simplify ELF stack handling.
18995 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
18996 (STACK_GROWS_DOWNWARD): ELF stack grows down.
18997 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
18998 * i370.md: (movdi): Add notes.
18999 (floatsidf2): Use stack not rtca for scratch float area.
19000 (iorsi3): Correct operand constraints.
19001 * x-oe: Restore TAROUTOPTS which are used by pax.
19003 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
19005 * rs6000.c: Include ggc.h.
19006 (rs6000_add_gc_roots): New function.
19007 (override_options): Call it.
19009 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
19011 * alpha.h (alpha_compare): New.
19012 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
19013 * alpha.c: Likewise for the definitions.
19014 (alpha_emit_conditional_branch): Update for alpha_compare.
19015 (alpha_emit_conditional_move): Likewise.
19016 * alpha.md (cmpdf, cmpdi): Likewise.
19017 (setcc patterns): Likewise. Zero alpha_compare after use.
19018 (sne): Optimize (x != 0) into (0U < x).
19020 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
19022 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
19023 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
19024 (INIT_EXPANDERS): Remove.
19025 * alpha.c: Include ggc.h.
19026 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
19027 (alpha_init_machine_status, alpha_mark_machine_status): New.
19028 (override_options): Install them.
19029 (struct machine_function): Moved to alpha.h.
19030 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
19031 (alpha_init_expanders): Remove.
19032 (alpha_return_addr): Adjust to use current_function->machine.
19033 (alpha_ra_ever_killed): Likewise.
19034 (alpha_expand_epilogue): Likewise.
19035 * alpha.md (eh_epilogue): Likewise.
19037 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
19038 Melissa O'Neill <oneill@cs.sfu.ca>
19039 Geoffrey Keating <geoffk@cygnus.com>
19041 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
19042 call-used registers (call-saved registers must still be contiguous
19043 and end with r31, of course).
19045 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
19047 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
19048 (self_promoting_type_p): Delete.
19049 (self_promoting_args_p): Move ...
19050 * c-common.c: ... here.
19051 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
19052 (simple_type_promotes_to): New.
19053 * builtins.c (lang_type_promotes_to): New.
19054 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
19055 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
19056 * c-common.h: ... here.
19057 (self_promoting_args_p, simple_type_promotes_to): Declare.
19058 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
19059 (grokdeclarator): Likewise.
19060 * tree.h (lang_type_promotes_to): Declare.
19062 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
19064 Add some machine-dependent GC roots.
19065 * sparc.c: Include ggc.h.
19066 (sparc_add_gc_roots): New function.
19067 (mark_ultrasparc_pipeline_state): Likewise.
19068 (override_options): Call sparc_add_gc_roots.
19069 * pa.c: Include ggc.h.
19070 (pa_add_gc_roots): New function.
19071 (mark_deferred_plabels): Likewise.
19072 (override_options): Call pa_add_gc_roots.
19073 * mips.c: Include ggc.h.
19074 (mips_add_gc_roots): New function.
19075 (override_options): Use it.
19077 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19079 * cpperror.c (cpp_file_line_for_message): Constify a char*.
19081 * cppexp.c (parse_number, parse_charconst, cpp_lex,
19082 cpp_parse_expr): Add static prototypes.
19083 (parse_charconst): Don't cast away const-ness.
19084 (token): Constify a char*.
19086 * cppfiles.c (file_name_list, include_hash, find_include_file,
19087 finclude, initialize_input_buffer): Constify a char*.
19088 (file_cleanup, find_position): Add static prototypes.
19090 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
19091 collect_expansion): Add static prototypes.
19092 (cpp_install, create_definition, monthnames): Constify a char*.
19094 * cpphash.h (cpp_install): Likewise.
19096 * cppinit.c (known_suffixes, default_include,
19097 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
19098 (base_name, dump_special_to_buffer, initialize_dependency_output):
19099 Add static prototypes.
19101 * cpplib.c (my_strerror): Constify a char*.
19102 (null_underflow, null_cleanup, skip_comment, copy_comment,
19103 copy_rest_of_line, handle_directive, pass_thru_directive,
19104 get_directive_token, read_line_number, cpp_print_file_and_line,
19105 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
19106 v_cpp_warning_with_line, detect_if_not_defined,
19107 consider_directive_while_skipping): Add static prototypes.
19108 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
19109 cpp_pedwarn_with_file_and_line): Constify a char*.
19111 * cpplib.h (cpp_options, include_hash, progname, definition,
19112 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
19113 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
19114 find_include_file, deps_output, include_hash): Constify a char*.
19116 * cppmain.c (progname): Constify.
19117 (main): Add prototype. Use return, not exit.
19119 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
19120 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
19121 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
19122 check_protection): Add static prototype.
19124 (progname, recognized_macrom, recognized_extern): Constify a char*.
19125 (main): Add prototype.
19127 * gen-protos.c (progname): Constify a char*.
19129 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
19131 * emit-rtl.c (free_emit_status): Take decl as a parameter.
19132 (init_emit_once): Add more GC roots.
19133 * except.c (mark_func_eh_entry): New function.
19134 (mark_eh_node): Mark false_label and rethrow_label.
19135 (init_eh): Add more GC roots.
19136 * function.c (free_after_compilation): Take decl as a paramter.
19137 Call free_stmt_status.
19138 (mark_function_state): Don't assume x_parm_reg_stack_loc is
19140 * function.h (free_after_compilation): Change prototype.
19141 (free_varasm_status): Likewise.
19142 (free_emit_status): Likewise.
19143 (free_stmt_status): New function.
19144 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
19145 Remove, replacing with ...
19146 (ggc_status): New structure.
19147 (ggc_chain): New variable.
19148 (init_gcc): Define.
19149 (ggc_push_context): New function.
19150 (ggc_pop_context): Likewise.
19151 (ggc_alloc_rtx): Adjust for use of ggc_chain.
19152 (ggc_alloc_rtvec): Likewise.
19153 (ggc_alloc_tree): Likewise.
19154 (ggc_alloc_string): Likewise.
19155 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
19156 (ggc_mark_tree): Give language-dependent code a chance to mark
19158 (ggc_mark_tree_varray): Handle empty arrays.
19159 (ggc_collect): Adjust for use of ggc_chain. Clear
19160 bytes_alloced_since_last_gc.
19161 * ggc.h (ggc_pop_context): New function.
19162 (ggc_push_context): Likewise.
19163 * print-tree.c (print_node): Don't print obstacks when GC'ing.
19164 * stmt.c (free_stmt_status): New function.
19165 (init_stmt_for_function): Clear last_expr_value.
19166 * toplev.c (rest_of_compilation): Always call free_after_compilation.
19167 Conditionalize call to ggc_collect.
19168 (main): Call init_ggc.
19169 * tree.c (push_obstacks): Do the push, even when GC'ing.
19170 (push_obstacks_nochange): Likewise.
19171 (pop_obstacks): Liekwise.
19172 * varasm.c (free_varasm_status): Take decl as a parameter.
19174 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
19176 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
19177 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
19178 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
19179 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
19181 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
19183 * pa/x-pa-mpeix: New file for the MPE port.
19185 * pa/quadlib.asm: New file for long double support.
19187 * configure.in: Add hppa1.0-*-mpeix for MPE port.
19188 * configure: Rebuilt.
19190 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
19192 * final.c (shorten_branches): Fix last change.
19194 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
19196 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
19198 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
19200 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
19203 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19205 * c-aux-info.c (concat): Don't define.
19207 * cccp.c (my_strerror): Likewise. All callers changed to use
19209 (do_include): Call xstrdup, not xmalloc/strcpy.
19210 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
19211 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
19213 * collect2.c (my_strsignal): Likewise. All callers changed to use
19215 (locatelib): Call xstrdup, not xmalloc/strcpy.
19217 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
19219 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
19221 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
19223 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
19225 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
19227 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
19229 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
19231 (find_all_handler_type_matches): Likewise. Don't check return
19233 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
19234 xmalloc, not malloc.
19235 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
19237 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
19238 (init_spec): Call xcalloc, not xmalloc/bzero.
19239 (set_spec): Call xstrdup, not save_string.
19240 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
19241 (find_a_file): Call xstrdup, not xmalloc/strcpy.
19242 (process_command): Call xstrdup, not save_string.
19243 (main): Call xcalloc, not xmalloc/bzero.
19245 * gcov.c (xmalloc): Don't define.
19246 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
19247 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
19248 (output_data): Call xcalloc, not xmalloc/bzero.
19250 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
19252 * mips-tdump.c (xmalloc): Don't define.
19253 (print_symbol): Call xmalloc, not malloc.
19254 (read_tfile): Call xcalloc, not calloc.
19256 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
19257 Don't define. All callers of xfree/my_strsignal changed to use
19258 free/strsignal instead.
19259 (allocate_cluster): Call xcalloc, not calloc.
19261 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
19262 Fix memory leak, free allocated memory.
19264 * prefix.c (translate_name): Call xstrdup, not save_string.
19265 (update_path): Likewise.
19267 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
19269 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
19270 Don't define. Callers of xfree/savestring2 changed to use
19271 free/concat instead.
19273 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
19274 (init_elim_table): Likewise.
19276 * resource.c (init_resource_info): Likewise.
19278 * stupid.c (stupid_life_analysis): Likewise.
19280 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
19281 (open_dump_file): Call concat, not xmalloc/strcpy/...
19282 (clean_dump_file): Likewise.
19283 (compile_file): Call xstrdup, not xmalloc/strcpy.
19285 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
19287 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
19288 * v850.c (v850_va_arg): New.
19290 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19292 * haifa-sched.c: Tidy comments.
19294 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19296 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
19297 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
19298 $(out_object_file)): Depend on ggc.h.
19299 * c-common.c: Include "ggc.h".
19300 (combine_strings): If doing GC, use ggc_alloc_string.
19301 * c-decl.c: Include "ggc.h".
19302 (ggc_p): Define with value 0.
19303 (mark_binding_level): New function.
19304 (init_decl_processing): Add GC roots.
19305 (mark_c_function_context): New function.
19306 (lang_mark_false_label_stack): New function.
19307 (lang_mark_tree): New function.
19308 (lang_cleanup_tree): New function.
19309 * c-lang.c: Include "ggc.h".
19310 (lang_init): Call c_parse_init.
19311 * c-lex.c: Include "ggc.h".
19312 (check_linenum): If doing GC, don't copy filenames to permanent
19314 * c-parse.in: Include "ggc.h".
19315 (c_parse_init): New function.
19316 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
19317 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
19319 * except.c (mark_eh_state): Mark more state.
19320 * function.c (mark_function_state): Likewise.
19321 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
19322 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
19323 * toplev.c (mark_file_stack): New function.
19324 (compile_file): If doing GC, use ggc_alloc_string on input filename.
19325 (main): Add root for input_file_stack.
19327 * i386.c: Include "ggc.h".
19328 (ix86_mark_machine_status): New function.
19329 (override_options): Set mark_machine_status.
19331 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19333 * tree.c (copy_node): Copy node contents also if doing GC.
19335 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19337 * collect2.c (scan_libraries): Fix double-thinko :-).
19339 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
19341 * collect2.c (scan_libraries): Fix thinko.
19343 * cse.c (delete_trivially_dead_insns): Do not skip the last
19344 insn if it is a real insn.
19346 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
19348 * Makefile.in (ggc-simple.o): Depend on hash.h.
19349 * ggc.h (ggc_add_tree_hash_table_root): Declare.
19350 (ggc_mark_tree_varray): Likewise.
19351 (ggc_mark_tree_hash_table): Likewise.
19352 * ggc-simple.c: Include hash.h.
19353 (ggc_mark_tree_hash_table_ptr): New function.
19354 (ggc_mark_tree_hash_table_entry): Likewise.
19355 (ggc_mark_tree_hash_table): Likewise.
19356 (ggc_add_tree_hash_table_root): Likewise.
19357 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
19358 rtx, when defining fields.
19360 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19362 * profile.c (output_func_start_profiler): Remove apparently
19363 nonsensical call to start_sequence.
19365 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
19367 * clipper/clipper.c (clipper_va_start): Fix typos.
19369 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
19370 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
19371 (spur_va_arg): New stub.
19373 * configure.in: Comment out pyramid.
19375 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
19377 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
19378 don't conflict with the bits that win32, cygwin, and dgux
19381 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
19382 Bernd Schmidt <bernds@cygnus.co.uk>
19384 * integrate.c (function_cannot_inline_p): Do not inline
19385 functions with forced labels.
19387 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
19388 Bernd Schmidt <bernds@cygnus.co.uk>
19389 Mark Mitchell <mark@codesourcery.com>
19391 * Makefile.in (ggc-simple.o): Depend on varray.h.
19392 (rtl.o): Depend on ggc.h.
19393 (genattrtab.o): Depend on ggc.h.
19394 (print-tree.o): Likewise.
19395 (fold-const.o): Likewise.
19396 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
19397 (make_insn_raw): Don't cache insns when GC'ing.
19398 (emit_insn_before): Likewise.
19399 (emit_insn_after): Likewise.
19400 (emit_insn): Likewise.
19401 (start_sequence): Use xmalloc to allocate the sequence_stack.
19402 (end_sequence): Add free to free it.
19403 (gen_sequence): Don't cache insns when GC'ing.
19404 (clear_emit_caches): Don't use sequence_element_free_list.
19405 (init_emit): Use xcalloc, not xmalloc+bzero.
19406 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
19407 * function.c (pop_function_context_from): Use free to free the
19408 fixup_var_refs_queue.
19409 (put_reg_into_stack): Allocate it with xmalloc.
19410 * genattrtab.c: Include ggc.h.
19411 (operate_exp): Don't use obstack_free when GC'ing.
19412 (simplify_cond): Likewise.
19413 (simplify_text_exp): Likewise.
19414 (optimize_attrs): Likewise.
19415 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
19417 (gencode): Generate a #include for ggc.h.
19418 * ggc-callbacks.c (ggc_p): Define it to zero.
19419 * ggc-none.c (ggc_p): Likewise.
19420 * ggc-simple.c: Include varray.h.
19421 (ggc_mark_tree_varray): New function.
19422 (ggc_add_tree_varray_root): Likewise.
19423 (ggc_mark_tree_varray_ptr): Likewise.
19424 * ggc.h (ggc_p): Declare.
19425 (varray_head_tag): Likewise.
19426 (ggc_add_tree_varray_root): Declare.
19427 * print-tree.c (print_node): Don't check for TREE_PERMANENT
19428 inconsistencies when GC'ing.
19429 * rtl.c: Include ggc.h.
19430 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
19431 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
19432 (rtx_free): Don't call obstack_free when GC'ing.
19433 * toplev.c (rest_of_compilation): Call ggc_collect after every
19435 * tree.c (push_obstacks): Do nothing, if GC'ing.
19436 (pop_obstacks_nochange): Likewise.
19437 (pop_obstacks): Likewise.
19438 (make_node): Use ggc_alloc_tree when GC'ing.
19439 (copy_node): Likewise.
19440 (get_identifier): Use ggc_alloc_string when GC'ing.
19441 (build_string): Likewise.
19442 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
19443 (tree_cons): Likewise.
19444 (build1): Likewise.
19445 (type_hash_canon): Don't call obstack_free when GC'ing.
19447 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
19449 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
19450 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
19452 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
19453 Bernd Schmidt <bernds@cygnus.co.uk>
19454 Mark Mitchell <mark@codesourcery.com>
19456 * Makefile.in (stor-layout.o): Depend on ggc.h.
19457 (expr.o): Depend on ggc.h.
19458 (profile.o): Depend on ggc.h.
19459 (stor-layout.o): Depend on ggc.h.
19460 * emit-rtl.c (init_emit_once): Add gc roots.
19461 * expr.c: Include ggc.h.
19462 (emit_block_move): Add gc roots.
19463 (clear_storage): Likewise.
19464 * expr.h (init_stor_layout_once): New function.
19465 * profile.c: Include ggc.h.
19466 (init_arc_profiler): profiler_label is a root.
19467 * scan.c (make_sstring_space): Trust xrealloc to function
19468 correctly with first parameter NULL.
19469 * stor-layout.c: Include ggc.h.
19470 (set_sizetype): Add gc root.
19471 (init_stor_layout_once): New function.
19472 * toplev.c (compile_file): Call it.
19474 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
19475 Bernd Schmidt <bernds@cygnus.co.uk>
19476 Mark Mitchell <mark@codesourcery.com>
19478 * Makefile.in (tree.o): Depend on ggc.h.
19479 (varasm.o): Likewise.
19480 (function.o): Likewise.
19481 (stmt.o): Likewise.
19482 (except.o): Likewise.
19483 (optabs.o): Likewise.
19484 (emit-rtl.o): Likewise.
19485 * emit-rtl.c: Include ggc.h.
19486 (sequence_element_free_list): Remove, and all references.
19487 (mark_sequence): New functions.
19488 (mark_emit_state): New function.
19489 * except.c: Include ggc.h.
19490 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
19491 (mark_tree_label_node): New functions.
19492 (mark_eh_state): New function.
19493 * function.c: Include ggc.h.
19494 (mark_temp_slot, mark_function_chain): New functions.
19495 (mark_function_state): New function.
19496 (init_function_once): New function.
19497 * function.h (init_function_once): New function.
19498 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
19499 * ggc.h (label_node): Declare.
19500 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
19501 (lang_mark_false_label_stack): New function.
19502 (mark_temp_slot): Remove declaration.
19503 (mark_function_chain): Likewise.
19504 (mark_eh_state): Adjust prototype.
19505 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
19507 * optabs.c: Include ggc.h.
19508 (mark_optab): New function.
19509 (init_optabs): Add gc roots.
19510 * stmt.c: Include ggc.h.
19511 (mark_cond_nesting, mark_loop_nesting): New functions.
19512 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
19513 (mark_stmt_state): New function.
19514 * toplev.c (compile_file): Call init_function_once.
19515 * tree.c: Include ggc.h.
19516 (type_hash): Move declaration earlier in file.
19517 (TYPE_HASH_SIZE, type_hash_table): Likewise.
19518 (init_obstacks): Add gc roots.
19519 (mark_type_hash): New function.
19520 * varasm.c: Include ggc.h.
19521 (mark_pool_constant): New function.
19522 (mark_varasm_state): New function.
19524 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19526 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
19528 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19530 * c-decl.c (struct language_function): Renamed from struct c_function.
19532 (c_function_chain): Delete.
19533 (push_c_function_context): New arg F. Don't warn about nested
19534 functions here. Fill LANGUAGE elt of F. Delete code to update
19535 c_function_chain. Don't call push_function_context.
19536 (pop_c_function_context): New arg F. Restore from there instead of
19537 from c_function_chain. Don't call pop_function_context. Clear out
19538 LANGUAGE field of F when done.
19539 * c-lang.c: Include "function.h"
19540 (lang_init): Initialize save_lang_status and restore_lang_status.
19541 * c-parse.in (nested_function, nested_function_notype): Warn about
19542 nested functions. Call push_function_context/pop_function_context
19543 instead of the _c_ variants.
19544 * c-tree.h (push_c_function_context, pop_c_function_context): Update
19546 * Makefile.in (c-lang.o): Update dependencies.
19548 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
19549 regno_pointer_flag, regno_pointer_align.
19550 (gen_reg_rtx): Use xrealloc to enlarge them.
19551 (free_emit_status): New function.
19552 * function.c (mark_machine_status, mark_lang_status): New variables.
19553 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
19554 in some bits from assign_stack_local. All callers changed to use new
19556 (assign_stack_local): Just call assign_stack_local_1.
19557 (free_after_compilation): New function.
19558 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
19559 (trampoline_address): Likewise.
19560 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
19561 (prepare_function_start): Explicitly clear some more variables.
19562 * function.h (struct function): New elt can_garbage_collect.
19563 (mark_machine_status, mark_lang_status): Declare variables.
19564 (free_after_compilation, free_emit_status, free_varasm_status,
19565 init_varasm_status): Declare functions.
19566 * toplev.c (rest_of_compilation): Call free_after_compilation when
19567 done with the current function.
19568 * varasm.c (free_varasm_status): New function.
19570 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
19572 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
19573 (EXPAND_BUILTIN_VA_ARG): Define.
19574 * sparc.c (sparc_va_start): New.
19575 (sparc_va_arg): New.
19577 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19579 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
19581 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19583 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
19585 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
19587 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
19588 (OBJS): Add $(GGC).
19589 (ggc-callbacks.o): New target.
19590 * ggc-callbacks.c: New file.
19592 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19594 * expr.h: Collapse individual optab and libfunc vars to arrays.
19595 (optab_index, libfunc_index): New enumerations.
19596 (optab_table, libfunc_table): New arrays.
19597 Add accessor macros for both.
19599 * optabs.c (optab_table, libfunc_table): New.
19600 Delete declarations for individual optab and libfunc vars.
19602 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
19604 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
19606 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19608 * Makefile.in (GGC, GGC_LIB): New.
19609 (HOST_RTL): Include ggc-none.o.
19610 (ggc-simple.o): New target.
19611 (ggc-none.o): Likewise.
19612 * tree.h (tree_common): Add gc_mark.
19613 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
19614 (struct rtvec_def): Add gc_mark.
19615 * emit-rtl.c (global_rtl): Update static initializers to contain
19616 enough initializers.
19617 * ggc.h, ggc-none.c, ggc-simple.c: New files.
19618 * toplev.c (gc_time): New variable.
19619 (all_time): New variable.
19620 (compile_file): Print gc time.
19621 (print_time): Calculate percentage of the whole.
19623 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19625 Change obstack memory management and varasm constant pool handling so
19626 that nested functions are treated like any other functions.
19627 * function.c (init_machine_status): New variable.
19628 (push_function_context_to): Set contains_functions for the outer
19629 function. Don't call save_varasm_status.
19630 (pop_function_context_from): Don't call restore_varasm_status. Don't
19631 set current_function_contains_functions.
19632 (prepare_function_start): Call init_varasm_status rather than
19633 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
19635 * function.h (struct function) Add field varasm. Delete fields
19636 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
19637 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
19638 (init_machine_status): Declare.
19639 (save_varasm_status, restore_varasm_status): Delete declarations.
19640 (save_tree_status, restore_tree_status): Delete last argument.
19641 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
19642 code. All callers changed.
19643 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
19644 save_constants_in_decl_trees, restore_constants, save_constants,
19645 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
19647 (inlining): New variable.
19648 (reg_map, label_map, insn_map, orig_asm_operands_vector,
19649 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
19651 (save_for_inline_nocopy): Don't save constants.
19652 Don't set inl_emit field in current_function.
19653 (expand_inline_function): Use emit field, not inl_emit, of the inlined
19654 function. Set new variable inlining before
19655 calling copy_rtx_and_substitute.
19656 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
19657 constant pool references if inlining is nonzero.
19658 Delete ADDRESS and (most of the) CONST cases.
19659 (output_inline_function): Save and restore current_function/
19660 current_function_decl. Delete restore_constants code. Don't call
19661 init_const_rtx_hash_table.
19662 * output.h (init_const_rtx_hash_table): Don't declare.
19663 * rtl.h (struct function): Declare.
19664 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
19665 * toplev.c (rest_of_compilation): Don't treat nested functions or
19666 functions containing them specially. Delete all code to deal with
19667 save_for_inline_copying.
19668 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
19669 inline_obstacks): Delete variables.
19670 (save_tree_status): Lose arg CONTEXT. All callers changed.
19671 Simply allocate a new function_maybepermanent_obstack for the new
19672 function, delete all the special cases.
19673 Don't save inline_obstacks.
19674 (restore_tree_status): Lose arg CONTEXT. All callers changed.
19675 Delete special handling for function_maybepermanent_obstack; simply
19677 Don't restore inline_obstacks.
19678 (permanent_allocation): Delete code that frees inline_obstacks.
19679 (print_inline_obstack_statistics): Delete function.
19680 (dump_tree_statistics): Don't call it.
19681 * varasm.c (struct varasm_status): New.
19682 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
19683 last_pool, pool_offset, const_double_chain): Delete global
19684 variables, replace with accessor macros.
19685 (immed_double_const): Don't walk const_double_chain outside a
19686 function, but don't treat nested functions specially anymore.
19687 (immed_real_const_1): Likewise.
19688 (clear_const_double_mem): Don't treat nested functions specially.
19689 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
19690 (save_varasm_status, restore_varasm_status): Delete functions.
19691 (init_varasm_status): New function.
19692 (force_const_mem): Don't treat nested functions specially.
19693 (find_pool_constant): Accept new arg F, search for constants in
19694 that function's pool rather than the current one. All callers
19696 (get_pool_constant_for_function, get_pool_mode_for_function): New
19699 * i386.c (init_386_machine_status): New function, mostly from
19700 clear_386_stack_locals.
19701 (struct machine_functions): Rename element names to avoid name
19703 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
19704 macros, replacing global variables.
19705 (clear_386_stack_locals, save_386_machine_status,
19706 restore_386_machine_status): Delete functions.
19707 (override_options): Initialize init_machine_status.
19708 * i386.h (INIT_EXPANDERS): Delete macro.
19709 (save_386_machine_status, restore_386_machine_status,
19710 clear_386_stack_locals): Delete declarations.
19712 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19714 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
19715 (doloop_begin): Simplify pattern and use emit_jump_insn.
19716 (doloop_end): Simplify pattern, switch operand order,
19717 and use emit_jump_insn.
19719 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
19721 * function.h (struct function): Add new element LANGUAGE.
19722 (save_lang_status): Declare new variable.
19723 (restore_lang_status): Likewise.
19724 * function.c (save_lang_status): Define.
19725 (restore_lang_status): Likewise.
19726 (push_function_context_to): Call language-specific save function.
19727 (pop_function_context_from): Call language-specific restore function.
19729 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19731 * i386.md (movsf_1): Check REG_P before use of REGNO.
19732 (movdf_1): Likewise.
19733 (movxf_1): Likewise.
19734 (extendsfdf2): Likewise.
19735 (extendsfxf2): Likewise.
19736 (extenddfxf2): Likewise.
19738 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19740 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
19741 constants into memory.
19742 (c4x_shiftable_constant): New function.
19743 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
19744 (c4x_shiftable_constant): Declare.
19745 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
19746 ashlqi3_noclobber): Add new patterns and associated splitters.
19748 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
19750 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
19751 * dwarf2out.c (dwarf2out_frame_init): Likewise.
19752 * final.c (shorten_branches): Likewise.
19753 * global.c (global_alloc): Likewise.
19754 * haifa-sched.c (build_control_flow): Likewise.
19755 * stmt.c (check_for_full_enumeration_handling): Likewise.
19756 (estimate_case_costs): Likewise.
19758 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
19760 * rtl.h (RTL_CHECKC2): Fix typo in last change.
19762 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
19764 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
19765 (recompute_reg_usage): Likewise.
19766 * rtlanal.c (find_regno_fusage): Likewise.
19768 * rtl.c (rtl_check_failed_code1): New function.
19769 (rtl_check_failed_code2): New.
19770 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
19771 (RTL_CHECKC1, RTL_CHECKC2): New.
19772 (XC*): New accessor macros.
19773 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
19774 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
19775 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
19776 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
19777 (TRAP_*, RANGE_INFO_*): Likewise.
19779 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19781 * Makefile.in (tlink.o): Don't depend on toplev.h.
19783 * collect2.c (c_file, o_file, export_file, import_file, ldout,
19784 output_file, nm_file_name, ldd_file_name, strip_file_name,
19785 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
19786 add_prefix, prefix_from_env, prefix_from_string, do_wait,
19787 fork_execute, maybe_unlink, add_to_list,
19788 extract_init_priority, write_list, dump_list,
19789 dump_prefix_list, write_list_with_asm, write_c_file,
19790 write_c_file_stat, write_c_file_glob, scan_prog_file,
19791 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
19792 ignore_library, extract_string, notice, dump_file, target_machine,
19793 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
19794 read_file, print_load_command): Constify a char*.
19795 (fdopen, error, fatal, fatal_perror): Don't prototype.
19796 (my_strerror): Remove. All callers use xstrerror instead.
19797 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
19798 (main): Add prototype. Constify lots of char* ptrs. Change calls
19799 to xcalloc/strcpy/strcat/... to one call to concat.
19800 (main, scan_prog_file, scan_libraries): Use an intermediate
19801 `const char **' to build an argv array.
19802 (mapfile, libselect, libcompare, locatelib): Add prototypes.
19804 * collect2.h (collect_execute, collect_wait, dump_file,
19805 file_exists): Constify a char*.
19806 (ldout, c_file_name, temporary_obstack, permanent_obstack,
19807 temporary_firstobj, vflag, debug): Add extern declarations.
19808 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
19810 * tlink.c: Don't include toplev.h.
19811 (vflag, debug, ldout, c_file_name, temporary_obstack,
19812 permanent_obstack, temporary_firstobj): Don't declare.
19813 (tlink_execute, frob_extension, symbol_hash_lookup,
19814 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
19815 recompile_files, read_repo_files, demangle_new_symbols,
19816 scan_linker_output): Constify a char*.
19817 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
19818 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
19820 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
19822 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
19823 (relative) rather than jsr (absolute) subroutine call insns.
19824 * config/m68k/m68k-coff.h: Ditto.
19826 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
19828 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
19829 now rework these too.
19830 (arm_reorg): If an insn can't reach the end of the current pool,
19831 ensure that we emit that pool before the insn.
19833 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
19835 * tlink.c (scan_linker_output): Skip the initial underscore in
19836 a mangled name if appropriate.
19838 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19840 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
19841 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
19842 error_with_ivar, gen_declarator, create_builtin_decl,
19843 my_build_string, generate_descriptor_table, generate_ivars_list,
19844 generate_dispatch_table, check_protocols, TAG_GETCLASS,
19845 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
19846 dump_base_name, lang_decode_option, build_encode_expr,
19847 start_class, finish_class, encode_pointer, really_start_method,
19848 gen_declaration, dump_interface, handle_class_ref, handle_impent):
19850 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
19851 Add static prototypes.
19852 (build_objc_string_decl, build_selector_reference_decl,
19853 encode_bitfield, build_class_reference_decl): Remove unused
19854 parameter, all callers changed.
19855 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
19856 (objc_printable_name): Likewise. Change second parameter to type int.
19857 (init_objc): Use memcpy, not bcopy, to avoid casts.
19859 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
19861 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
19862 reg notes on a deleted insn.
19863 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
19865 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
19867 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
19869 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19871 * stmt.c (expand_asm_operands): Fix index into inout_mode when
19874 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
19876 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
19877 * tm.texi (MD_ASM_CLOBBERS): Document it.
19879 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
19881 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
19882 * except.c (expand_rethrow): Remove unused variable.
19883 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
19884 * flow.c (replace_insns): Likewise.
19885 (create_edge_list, verify_edge_list): Likewise.
19886 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
19888 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
19889 is special code to run.
19890 (main): Don't define operands to emit_operand.
19891 * genrecog.c (main): Don't emit an empty peephole2_insn function.
19893 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
19895 * alpha/alpha.h (normal_memory_operand): Declare.
19896 (reg_no_subreg_operand): Declare.
19897 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
19899 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
19901 * c-parse.in (compstmt_primary_start): New, broken out of first
19902 part of compstmt handling in primary.
19903 (primary): Use it. Add an error clause.
19904 (compstmt_nostart): Renamed from compstmt; remove all
19905 initial invocations of compstmt_start.
19908 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
19910 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
19913 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
19915 * combine.c (simplify_shift_const): Remove extra semicolon.
19916 * dwarf2out.c (remove_AT): Likewise.
19917 * expmed.c (expand_mult): Likewise.
19918 * gcov.c (create_program_flow_graph): Likewise.
19919 * reorg.c (mostly_true_jump): Likewise.
19921 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
19923 * fold-const.c (fold_range_test): Do not try to fold the range
19924 test if the rhs or lhs has side effects.
19926 * combine.c (simplify_rtx): Recognize another case of a synthesized
19929 * varasm.c (mark_constant_pool): When marking indirect references,
19930 only look at SYMBOL_REFs.
19932 * except.c (expand_fixup_region_end): Do not peek at
19933 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
19935 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
19937 * flags.h: New variables align_loops, align_loops_log,
19938 align_jumps, align_jumps_log, align_labels, align_labels_log,
19939 align_functions, align_functions_log.
19940 * toplev.c: Define them.
19941 (f_options): Handle -falign-* when they have no argument.
19942 (main): Add logic to set variables for -falign-functions,
19943 -falign-jumps, -falign-labels, -falign-loops.
19944 Make it -fsched-verbose=<n> and -finline-limit=<n>.
19945 (display_help): Change help to match options.
19946 * final.c (LABEL_ALIGN): Default to align_labels_log.
19947 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
19948 (LOOP_ALIGN): Default to align_loops_log.
19949 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
19950 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
19951 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
19952 * varasm.c (assemble_start_function): Handle align_functions.
19954 * config/sparc/sparc.h: Don't declare sparc_align_*.
19955 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
19956 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
19958 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
19960 * config/sparc/sparc.c: Delete sparc_align_loops,
19961 sparc_align_jumps, sparc_align_funcs and the corresponding string
19963 (sparc_override_options): Default align_functions on ultrasparc.
19964 Delete -malign-* handling.
19966 * config/mips/mips.c (override_options): On 64-bit targets,
19967 try to align code to 64-bit boundaries.
19968 (print_operand): New substitution, %~,
19969 which aligns labels to align_labels_log.
19970 * config/mips/mips.md (div_trap_normal): Use %~.
19971 (div_trap_mips16): Likewise.
19973 (absdi2): Likewise.
19974 (ffssi2): Likewise.
19975 (ffsdi2): Likewise.
19976 (ashldi3_internal): Likewise.
19977 (ashrdi3_internal): Likewise.
19978 (lshrdi3_internal): Likewise.
19979 (casesi_internal): Likewise.
19981 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
19983 Merge new ia32 backend from the branch!
19985 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
19986 See ChangeLog.P2 on new_ia32_branch for details.
19988 * rtl.h (stack_regs_mentioned_p): Delete prototype.
19989 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
19990 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
19991 * i386/gas.h (ASM_FILE_START): Define.
19992 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
19993 for name change of ix86_valid_decl_attribute_p.
19994 (i386_pe_valid_type_attribute_p): Similarly.
19996 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
19998 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
19999 to step through CC modes.
20001 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20003 * regmove.c (fixup_match_1): Don't move INSN in front of P if
20004 it would end up in the shadow of a live flags regsiter.
20006 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20008 * reload1.c: Fix many indentation problems.
20009 * reload.c: Likewise.
20011 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
20013 * alias.c (non_local_reference_p): Constify fmt.
20015 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
20017 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
20019 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
20021 * cse.c (delete_trivially_dead_insns): Do not delete stores to
20022 the internal_arg_pointer.
20024 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
20026 Merge peephole2 from new_ia32_branch:
20027 * Makefile.in (STAGESTUFF): Add *.peephole2.
20028 (mostlyclean): Likewise.
20029 (recog.o): Depend on resource.h.
20031 * final.c (peephole): Conditionalize decl on HAVE_peephole.
20032 (final_scan_insn): Likewise for the invocation of peephole.
20033 * genconfig.c (main): Look for peephole and peephole2 patterns.
20034 Emit HAVE_peephole* accordingly.
20035 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
20036 * flags.h (flag_peephole2): Declare.
20037 * toplev.c: New pass peephole2. New flag -fpeephole2.
20039 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
20040 * gencodes.c (main): Likewise.
20041 * genextract.c (main): Likewise.
20042 * genoutput.c (main): Likewise.
20043 * genemit.c (max_operand_1): Look for the max scratch operand.
20044 (gen_rtx_scratch): New.
20045 (gen_exp): Use it, and pass on new arg subroutine_type.
20046 (gen_expand): Take max scratch into account.
20047 (gen_split): Emit peephole2 functions.
20048 (output_peephole2_scratch): New.
20049 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
20050 * genrecog.c (routine_type): Add PEEPHOLE2.
20052 (make_insn_sequence): Match outer parallel for peep2. Discard
20053 top level scratches and dups.
20054 (add_to_sequence): New args insn_type and top. Update all callers.
20055 Handle toplevel peep2 matching insns.
20056 (write_subroutine): Handle peep2.
20057 (write_tree_1): Likewise.
20058 (write_tree): Likewise.
20060 (change_state): New arg afterward. Update all callers.
20061 Handle matching separate insns.
20062 * recog.c (recog_next_insn): New.
20063 (peephole2_optimize): New.
20064 * rtl.def (DEFINE_PEEPHOLE2): New.
20065 * resource.c (find_free_register): New argument last_insn. Use it
20066 to find a register available through the entire span.
20067 * resource.h (find_free_register): Update prototype.
20069 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
20071 * i386.c (output_strlen_unroll): Don't write xops[7]
20072 label if it wasn't set.
20074 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
20076 * cpplib.c (struct directive): Const-ify name pointer and
20077 function pointer prototype.
20078 (validate_else, do_define, do_line, do_include, do_undef,
20079 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
20080 do_elif, do_endif, do_sccs, do_assert, do_unassert,
20081 do_warning): Const-ify second arg.
20082 (directive_table): Mark const. Reorder entries by frequency
20083 of usage, record statistics.
20085 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
20087 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
20088 bounds- check RTL accesses if --enable-checking.
20089 (RTVEC_ELT): Bounds check if --enable-checking.
20090 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
20091 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
20092 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
20094 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
20095 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
20097 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
20098 (NOTE_SOURCE_FILE): Use X0STR.
20099 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
20100 MEM_ALIAS_SET): Use X0INT.
20101 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
20102 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
20104 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
20105 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
20106 (rtl_check_failed_bounds, rtl_check_failed_type1,
20107 rtl_check_failed_type2, rtvec_check_failed_bounds): New
20109 (fancy_abort): Fix comment.
20111 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
20112 (cse_insn): Decrement LABEL_NUSES for jump target before
20113 deleting jump insn.
20114 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
20115 * final.c (alter_subreg): Compute regno before changing x to
20116 REG; set REGNO(x) after changing it.
20117 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
20118 notes containing CONST_INTs.
20119 (delete_eh_regions): Use NOTE_EH_HANDLER.
20120 * function.c (put_reg_into_stack): Make reg a MEM before
20122 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
20124 (gen_mem_addressof): Make reg a MEM before initializing it.
20125 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
20127 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
20128 deleting an insn, not after.
20129 (block_alloc): Only look at PATTERN(insn) if we have to, and
20130 only if it's format class 'i'.
20131 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
20132 CONST_INT before using its INTVAL.
20133 * print-rtl.c (print_rtx): Use X0STR.
20134 * regmove.c (fixup_match_1): Don't look at PATTERN of
20135 non-class-'i' insn chain elements.
20136 * reload.c (loc_mentioned_in_p): Take address of
20137 in->fld[1].rtx directly.
20138 * reload1.c (reload): Change reg to a MEM before initializing
20140 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
20142 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
20144 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
20146 * config/mips/mips.c (machine_dependent_reorg): Force a
20147 barrier to output the local constant pool if a barrier hasn't
20148 been found at a natural point in the instruction stream.
20150 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20152 * c-parse.in (language_string): Constify.
20154 * dwarf2out.c (language_string): Remove declaration.
20156 * dwarfout.c (language_string): Likewise.
20158 * toplev.c (language_string, init_parse, finish_parse): Likewise.
20160 * tree.h (language_string, init_parse, finish_parse): Declare.
20162 * i386/sun386.h (language_string): Remove declaration.
20164 * mips.h (language_string): Likewise.
20166 * nextstep.h (language_string): Likewise.
20168 * nextstep21.h (language_string): Likewise.
20170 * rs6000.c (language_string): Likewise.
20172 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20174 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
20175 (getpwd.o): Remove target.
20177 * getpwd.c: Delete file. Its in libiberty now.
20179 * dbxout.c (getpwd): Don't prototype.
20180 * dwarf2out.c (getpwd): Likewise
20181 * dwarfout.c (getpwd): Likewise
20182 * final.c (getpwd): Likewise.
20183 * protoize.c (getpwd): Likewise.
20185 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20187 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
20189 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
20191 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
20192 mark_set_resources.
20194 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
20196 * fixinc/Makefile.in (subdir): New.
20197 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
20200 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
20202 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
20203 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
20206 * invoke.texi: Fix typo.
20208 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
20209 changed. Handle autoincrement addressing modes.
20211 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
20212 just like we would the virtual incoming args register when
20215 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
20217 * rs6000.h (ASM_FILE_START): Specify complete filename, including
20218 path, in .file directive.
20220 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
20222 * gcc.texi (External Bugs): Remove obsolete note about Perl on
20225 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
20227 * stdbool.h: Make the typedef name _Bool, with bool a #defined
20230 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20232 * tree.c (tree_code_name): Constify a char*.
20234 * tree.h (tree_code_name, decl_printable_name): Likewise.
20236 * function.h (struct function): Likewise.
20238 * toplev.c (decl_name, decl_printable_name): Likewise.
20240 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
20242 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
20243 (init_objc): Remove function pointer cast.
20245 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20247 * pa.md (interspace_jump): New pattern.
20248 (builtin_longjmp): New expander.
20250 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
20252 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
20253 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
20254 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
20256 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
20258 * jump.c (delete_prior_computation): Also check calls
20259 to constant functions. Don't bother checking for a
20260 REG_UNUSED note before adding it.
20261 (delete_computation): Handle multi-word hard registers
20262 when synthesizing missing REG_DEAD notes for a register
20263 which is both set and used by an insn.
20265 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20267 * loop.c (this_loop_info): New variable.
20268 (loop_has_call, loop_has_volatile, loop_has_tablejump,
20269 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
20271 (prescan_loop, strength_reduce): New argument loop_info. All callers
20273 (scan_loop): New variable loop_info, initialise to address of
20275 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
20276 Delete variable loop_has_multiple_exit targets and replace with
20277 field in this_loop_info.
20278 (find_and_verify_loops): Rename this_loop to this_loop_num.
20279 (strength_reduce): Delete loop_iteration_info. Replace variable
20280 loop_info with function argument of same name.
20281 (insert_bct): Rework test for loop being completely unrolled.
20283 * loop.h (struct loop_info): New fields num, loops_enclosed,
20284 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
20285 has_indirect_jump, and cont. Redefine use of unroll_number.
20286 (loop_unroll_number): Delete.
20288 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
20289 field of loop_info.
20290 (loop_iterations): Delete variable vtop and instead use
20291 loop_info->vtop computed in prescan_loop.
20293 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
20295 * fix-header.c (main): Do not pass a null pointer to strcmp.
20297 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
20299 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
20301 * configure: Rebuilt.
20303 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
20305 * jump.c (jump_optimize_1): Do not delete assignments to
20306 internal_arg_pointer.
20307 * cse.c (delete_trivially_dead_insns): Always consider a set of
20308 the internal_arg_pointer live.
20310 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
20312 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
20313 (update_life_info) [REG_WAS_0]: Search the original insns rather
20314 than the new insns for the note. Fix typos finding note_dest.
20315 If no dest found, discard the note rather than abort.
20316 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
20317 (replace_insns): Remove the old insn list after update_life_info
20320 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
20322 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
20323 sched_analyze_insn.
20324 (sched_analyze_1): Let add_dependence care for not adding dups.
20325 (sched_analyze_2): Likewise.
20326 (add_branch_dependences): Likewise.
20328 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
20330 * i386/winnt.c (export_list): New type.
20331 (exports_head): Rename to
20332 (export_head): this.
20333 (i386_pe_record_exported_symbol): Add is_data flag.
20334 (i386_pe_asm_file_end): Emit directive for exported variables.
20335 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
20337 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
20338 (ASM_DECLARE_OBJECT_NAME): Likewise.
20339 (ASM_DECLARE_FUNCTION_NAME): Likewise.
20340 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
20342 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
20344 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
20346 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
20349 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
20351 * config/openbsd.h: Define SET_ASM_OP.
20352 * tm.texi: cross-reference SET_ASM_OP in the index.
20354 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
20356 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
20357 for a CONST_DOUBLE, at compile time. Initialize rtx_length
20358 and class_narrowest_mode at compile time. Kill init_rtl.
20359 Mark rtx_length, mode_class, mode_size, mode_unit_size,
20360 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
20361 rtx_format as const. Kill all references to EXTRA_CC_MODES or
20363 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
20365 * rtl.h: Declare rtx_length and rtx_format as const.
20366 * machmode.def: Define CC(). Use CC() to define CCmode. If
20367 EXTRA_CC_MODES is defined, expand it here.
20368 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
20369 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
20370 const. Kill all references to EXTRA_CC_MODES.
20372 * toplev.c: Don't prototype or call init_rtl.
20373 * optabs.c: Don't call init_mov_optab.
20374 * genemit.c: Don't generate init_mov_optab. Don't call
20376 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
20378 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
20379 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
20380 genrecog.c: Don't call init_rtl.
20382 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
20383 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
20384 definition of EXTRA_CC_MODES.
20386 * md.texi: Kill ref to EXTRA_CC_NAMES.
20387 * tm.texi: Document new way to define EXTRA_CC_MODES.
20389 * genrecog.c: Do not look up the name of a define_split.
20390 (Unrelated bugfix.)
20392 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
20394 * config/v850/v850.md: Fix typo introduced by previous delta.
20396 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20398 * gcc.c (fatal): Make definition static to match prototype.
20400 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20402 * combine.c (get_last_value): Don't look for earlier sets if the last
20403 known set is somewhere in between the insns being combined.
20405 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
20407 * configure.in: Don't use shell ! to negate exit codes
20408 * configure: Regenerate
20410 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
20412 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
20413 the fact that ALIGN is measured in bits, not bytes.
20415 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
20417 * errors.c: New file; defines functions error, warning, and
20418 fatal, variables have_error and progname.
20419 * errors.h: New file; prototypes and decls for stuff in errors.c.
20421 * Makefile: Add rules to build errors.o and
20422 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
20423 genopinit, genrecog, genextract, genpeep, genattr, and
20424 genoutput with errors.o. Add errors.h to deps of genconfig.o,
20425 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
20426 genpeep.o, genattr.o, and genoutput.o.
20428 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
20429 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
20430 define or prototype fatal. Set progname at beginning of main.
20431 * genoutput.c: Likewise, and don't define or prototype error
20434 * c-typeck.c (c_expand_start_case): Return immediately if exp
20436 * fold-const.c (operand_equal_p): Return immediately if arg1
20437 or arg0 are ERROR_MARKs.
20438 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
20439 fields of type ERROR_MARK when calculating if the record can
20442 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
20443 with much help from Jeffrey A Law and Richard Henderson
20445 * i386.md: In the 6 insns which call output_fix_trunc,
20446 earlyclobber operands[0].
20448 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
20450 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
20451 creating new registers.
20453 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
20455 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
20456 i386_reg_alloc_order, i386_regparm_string,
20457 i386_align_loops_string, i386_align_jumps_string,
20458 i386_align_funcs_string, i386_preferred_stack_boundary_string,
20459 and i386_branch_cost_string as type "const char *".
20460 * i386.c: Define all above strings as type "const char *".
20462 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
20464 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
20465 when emitting alignment padding. Emit padding byte of 0 instead of 4.
20467 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
20469 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
20470 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
20472 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
20474 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
20475 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
20476 (dwarf2out_line, dwarf2out_finish): Likewise.
20477 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
20479 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
20481 * tree.c (lang_unsave_expr_now) : Correct return type.
20482 * tree.h (lang_unsave_expr_now) : Same.
20484 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
20486 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
20487 instead of duplicating code.
20489 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20491 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
20493 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
20495 * tree.h: fancy_abort always takes three args.
20496 * resource.c: Move include of system.h before toplev.h.
20498 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
20500 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
20503 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
20505 * system.h: Don't redefine abort or trim_filename.
20506 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
20507 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
20508 whether or not __FUNCTION__ is available.
20509 * tree.h: Duplicate rtl.h's definition of abort, for files
20510 that don't include rtl.h. Delete all code to perform type
20511 checking with a compiler other than GCC.
20512 * varray.h: Delete all code to perform type checking with a
20513 compiler other than GCC. Make VARRAY_CHECK() always evaluate
20514 its arguments exactly once, using a statement expression.
20515 Adjust the VARRAY_<type> accessor macros to match.
20516 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
20517 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
20518 caller's location. Define fatal_insn and fatal_insn_not_found
20519 as macros that use _fatal_insn and _fatal_insn_not_found.
20520 (fancy_abort, trim_filename): Kill prototypes.
20522 * rtl.c (trim_filename): Move here from toplev.c.
20523 (fancy_abort): New function.
20524 (DIR_SEPARATOR): Provide default definition.
20525 * tree.c (tree_check_failed, tree_class_check_failed): Go
20526 through fancy_abort.
20527 (tree_check, tree_class_check, cst_or_constructor_check,
20528 expr_check): Delete.
20529 * varray.c (varray_check_failed): New function.
20530 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
20531 _fatal_insn and _fatal_insn_not_found. Go through
20533 (trim_filename, fancy_abort): Delete.
20535 * builtins.c (expand_builtin_args_info): Report ICE with abort.
20536 * except.c (start_catch_handler): Report ICE with error/abort
20538 * final.c (output_operand_lossage): Likewise.
20539 * flow.c (verify_flow_info): Likewise.
20541 * gcc.c: Prototype fatal.
20542 * gengenrtl.c: Undef abort after including rtl.h not system.h.
20543 * genattr.c, genattrtab.c, genemit.c, genextract.c,
20544 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
20545 Don't define fancy_abort.
20547 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
20549 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
20552 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
20554 * m88k.h (VERSION_INFO2): Kill.
20555 (VERSION_STRING): Kill.
20557 (VERSION_INFO1): Tidy.
20558 (TARGET_VERSION): Update.
20559 * m88k/dgux.h (VERSION_INFO2): Kill.
20560 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
20561 * m88k/luna.h (VERSION_INFO1): Tidy.
20562 * m88k/sysv4.h (VERSION_INFO1): Likewise.
20563 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
20564 (output_file_start): Adjust for death of VERSION_STRING.
20566 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
20568 * cpplib.c (detect_if_not_defined): New function.
20569 (do_if): Use it to detect potential once-only headers.
20571 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
20573 * c-common.c (combine_strings): Always set TREE_CONSTANT.
20575 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
20577 * combine.c (nonzero_bits) : Allow single-ly set registers to be
20578 anywere in the function only if they are pseudos and set before
20579 being used (not live at the start of the function).
20580 (num_sign_bit_copies) : Same.
20581 (get_last_value_validate) : Same.
20582 (get_last_value) : Same.
20584 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
20586 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
20587 where N and M are constant and N is an integer multiple of M.
20589 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20591 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
20592 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
20593 sbitmap_union_of_preds): Add prototypes.
20594 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
20595 the intersection of successors with the new flow graph structures.
20596 (sbitmap_intersection_of_preds): New function to compute the
20597 intersection of predecessors with the new flow graph structures.
20598 (sbitmap_union_of_succs): New function to compute the union of
20599 successors with the new flow graph structures.
20600 (sbitmap_union_of_preds): New function to compute the union of
20601 predecessors with the new flow graph structures.
20602 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
20603 (expr_reaches_here_p): Use edge and basic_block structures instead
20604 of s_preds and s_succs.
20605 (compute_cprop_avinout): Use new sbitmap routines.
20606 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
20607 of s_preds and s_succs.
20608 * flow.c (compute_flow_dominators): Compute dominators using
20609 edges and basic blocks instead of s_preds and s_succs.
20611 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20613 * lists.c (unused_insn_list, unused_expr_list): New file for
20614 maintaining various types of lists. New statics for maintaining a
20615 cache of available INSN_LIST and EXPR_LIST nodes.
20616 (free_list): Static function for freeing a list of INSN/EXPR nodes.
20617 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
20618 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
20619 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
20620 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
20621 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
20622 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
20623 (free_INSN_LIST_node): Free an individual INSN_LIST node.
20624 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
20625 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
20626 (remove_dependence, free_pending_lists): Use new global routines.
20627 (flush_pending_lists, sched_analyze_insn): Use new global routines.
20628 (sched_analyze, compute_block_backward_dependences): Use new routines.
20629 (sched_analyze_1, sched_analyze_2): Use new routines.
20630 (schedule_insns): Use new global routines.
20631 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
20633 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
20634 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
20636 * toplev.c (rest_of_compilation): Initialize node cache.
20637 * Makefile.in (OBJS): Add lists.o to list of object files.
20638 (lists.o): Add dependancies.
20640 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
20642 * config/v850/v850.md: Fix compile time warning messages.
20643 * config/v850/v850.c: Fix compile time warning messages.
20644 * config/v850/v850.h: Fix compile time warning messages.
20646 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20648 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
20649 Remove unused prototype for `init_lengths'.
20651 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20653 * calls.c (emit_call_1): Mark parameter `stack_size' with
20655 (expand_call): Initialize variable `insn'.
20656 (emit_library_call): Likewise for variable `high_to_save'.
20657 (emit_library_call_value): Likewise.
20658 (store_one_arg): Likewise for variables `lower_bound' and
20661 * combine.c (try_combine): Likewise for variables `i2_code_number'
20662 and `other_code_number'.
20663 (find_split_point): Likewise for variables `pos', `unsignedp' and
20665 (simplify_if_then_else): Likewise for variables `op' and `c1'.
20666 (simplify_and_const_int): Remove unused variable `width'.
20667 (merge_outer_ops): Likewise.
20669 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
20670 HOST_WIDE_INT' when comparing against one.
20671 (simplify_relational_operation): Likewise.
20672 (cse_insn): Initialize variables `src_eqv_volatile',
20673 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
20675 * final.c (init_final): Constify parameter `filename'.
20676 (final_start_function): Mark parameter `optimize' with
20678 (profile_function): Likewise for parameters `first' and `optimize'.
20679 (output_source_line): Likewise for parameter `file'.
20681 * integrate.c (subst_constants): Cast a value to `size_t' when
20682 comparing against one.
20683 (mark_stores): Initialize variable `mode'. Cast a value to
20684 `size_t' when comparing against one.
20686 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
20688 * loop.c (move_movables): Initialize variable `first'.
20689 (strength_reduce): Likewise for variable `increment'.
20690 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
20691 value to `size_t' when comparing against one.
20692 (load_mems): Initialize variable `end_label'.
20694 * output.h (init_final): Constify parameter.
20696 * reload.c (decompose): Initialize variable `base'.
20698 * reload1.c (reload): Likewise for variable `is_scalar'.
20699 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
20700 (choose_reload_regs): Initialize variable `mode'.
20701 (emit_reload_insns): Likewise for variable `store_insn'.
20702 (reload_cse_noop_set_p): Mark parameter `insn' with
20704 (reload_combine): Initialize variable `set'.
20706 * unroll.c (unroll_loop): Likewise for variable `local_label'.
20707 (copy_loop_body): Cast a value to `size_t' when comparing against
20710 * varasm.c (assemble_variable): Initialize variable `size_tree'.
20711 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
20712 (remove_from_pending_weak_list): Mark parameter `name' with
20715 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20717 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
20720 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
20722 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
20723 (ASM_DECLARE_FUNCTION_NAME): Define.
20724 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
20725 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
20726 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
20727 not already defined.
20729 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20731 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
20732 of n_popped when call/call_value are not defined.
20734 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
20736 * tm.texi: GNU CC -> GCC conversion.
20737 (CC1_SPEC): Indicate it is used for all language front ends.
20739 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
20741 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
20742 NOTE_INSN_EH_REGION_END correctly.
20744 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20745 Jeff Law <law@cygnus.com>
20747 * loop.c (strength_reduce): Automatically unroll loops if the
20748 unrolled loop size is smaller than the rolled loop size.
20750 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
20751 and delete comment that code should be rewritten.
20753 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
20755 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
20758 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
20760 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20762 * fixinc/mkfixinc.sh: Don't fix uwin headers.
20763 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
20764 (LINK_SPEC): Add -u _main when building executables.
20765 (ASM_DECLARE_FUNCTION): Update from Cygwin.
20766 (ASM_FILE_END): Use the default for ix86-pe.
20767 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
20769 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
20771 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
20772 and ASM_CLOSE_PAREN are empty strings.
20774 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
20775 Geoffrey Keating <geoffk@cygnus.com>
20777 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
20778 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
20779 (unprotoize.o): Ditto.
20780 (test-protoize-simple): Don't define STD_PROTO_DIR.
20781 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
20782 changes to make 'test-protoize-simple' pass.
20783 (STD_PROTO_DIR): Remove define.
20784 (STANDARD_EXEC_PREFIX): Supply default define.
20785 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
20786 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
20787 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
20788 (GET_ENV_PATH_LIST): New macro.
20789 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
20790 (do_processing): Initialize default_syscalls_dir using new
20791 macros. Use it to initialize syscalls_absolute_filename.
20793 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
20795 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
20796 B into a register before emit_conditional_move.
20798 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
20800 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
20801 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
20802 multiplicand out of (+ (* a b) (* c d)).
20804 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
20805 Richard Henderson <rth@cygnus.com>
20807 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
20808 (new_insn_dead_notes): Likewise.
20809 (update_n_sets): Likewise.
20810 (update_flow_info): Move to flow.c, renamed to update_life_info;
20811 extend to handle multiple source insns.
20812 * flow.c: Include resource.h
20813 (unlink_insn_chain): New.
20814 (split_hard_reg_notes): New.
20815 (maybe_add_dead_note): New.
20816 (maybe_add_dead_note_use): New.
20817 (find_insn_with_note): New.
20818 (new_insn_dead_notes): New.
20819 (update_n_sets): New.
20820 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
20821 (maybe_remove_dead_notes): New.
20822 (update_life_info): New.
20823 (prepend_reg_notes): New.
20824 (replace_insns): New.
20825 * output.h (update_life_info): Declare.
20826 * recog.c (split_block_insns): Use update_life_info.
20827 * resource.c (find_free_register): Use reg_alloc_order, don't use
20828 fixed regs, make sure the mode is supported, don't use new regs.
20830 * rtl.h (replace_insns): Declare.
20832 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
20834 * expr.c (expand_expr): Cope with COND_EXPRs with one
20835 non-returning branch.
20837 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
20839 * expr.c (store_expr): Always pass down the target, even when not
20842 1999-08-24 Nick Clifton <nickc@cygnus.com>
20844 * configure.in: Define target_cpu_default for v850 targets.
20845 * configure: Regenerate
20847 * config/v850/v850.h (TARGET_CPU_generic): Define.
20848 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
20849 addresses are 4 byte aligned.
20851 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
20854 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20856 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
20857 (main): Add prototypes.
20859 * genattrtab.c (substitute_address, write_const_num_delay_slots,
20860 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
20861 (write_attr_get): Emit prototypes along with function definition.
20862 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
20863 (write_complex_function): Emit static prototype along with
20864 function definition.
20866 * genemit.c (gen_split): Emit prototypes along with function
20869 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
20870 Likewise for predicates and `insn_operand_predicate'.
20871 (process_template): Emit static prototype along with function
20874 * genrecog.c (make_insn_sequence): Constify a char*. Add
20875 prototypes for get_split_*().
20876 (write_subroutine): Emit prototypes along with function
20879 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20881 * gcse.c (find_avail_set): Follow chains of register-register copies.
20882 Use oprs_not_set_p to guarantee that the returned value can be
20884 (cprop_insn): Don't verify the return value of find_avail_set with
20887 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
20888 (cprop_cc0_jump): New function.
20889 (cprop_insn): Break out new function cprop_jump and use it.
20890 Also use cprop_cc0_jump for machines with CC0.
20891 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
20893 * tree.h (current_function_calls_setjmp,
20894 current_function_calls_longjmp): Delete declarations.
20895 * dsp16xx.c: Include "function.h".
20896 * elxsi.c: Likewise.
20897 * gmicro.c: Likewise.
20898 * h8300.c: Likewise.
20899 * i370.c: Likewise.
20900 * m32r.c: Likewise.
20901 * mn10200.c: Likewise.
20902 * mn10300.c: Likewise.
20903 * ns32k.c: Likewise.
20904 * spur.c: Likewise.
20905 * v850.c: Likewise.
20907 * rtl.h (rtx_equal_function_value_matters): Declare.
20908 * toplev.c (rtx_equal_function_value_matters): Don't declare.
20910 * function.c: Likewise.
20911 * emit-rtl.c: Likewise.
20913 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
20915 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
20918 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20920 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
20923 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
20925 * cpp.texi: Add a node documenting macro varargs (copied
20928 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
20930 * cppspec.c: Put a null pointer at the end of the new argv.
20932 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
20934 * configure.in: Remove code to select/de-select the haifa
20935 scheduler. Every scheduled port gets haifa now.
20936 * configure: Rebuilt.
20937 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
20939 * Makefile.in: Corresponding changes.
20941 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20943 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
20944 All callers changed.
20945 (prepare_float_lib_cmp): Likewise.
20946 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
20947 * expr.h (emit_float_lib_cmp): Delete declaration.
20948 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
20949 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
20950 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
20952 (cmptf): Now conditional on TARGET_HARD_QUAD.
20954 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
20956 * resource.c (mark_target_live_regs): Use
20957 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
20959 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20961 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
20963 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
20965 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
20967 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20969 * rtl.h (rtx_format): Constify a char*.
20971 * rtl.c (rtx_format): Likewise.
20972 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
20973 (init_rtl): Use accessor macro, not `rtx_format'.
20975 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
20978 * caller-save.c (mark_referenced_regs): Likewise.
20980 * combine.c (subst, make_compound_operation, known_cond,
20981 gen_rtx_combine, update_table_tick, get_last_value_validate,
20982 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
20984 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
20985 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
20986 count_reg_usage): Likewise.
20988 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
20991 * final.c (leaf_renumber_regs_insn): Likewise.
20993 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
20994 dump_edge_info, count_reg_references): Likewise.
20996 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
20997 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
21000 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
21001 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
21002 add_label_notes): Likewise.
21004 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
21005 clear_struct_flag, count_sub_rtxs, count_alternatives,
21006 compares_alternatives_p, contained_in_p, walk_attr_value,
21007 write_expr_attr_cache): Likewise.
21009 * genconfig.c (walk_insn_part): Likewise.
21011 * genemit.c (max_operand_1, gen_exp): Likewise.
21013 * genextract.c (walk_rtx): Likewise.
21015 * genflags.c (num_operands): Likewise.
21017 * genoutput.c (scan_operands): Likewise.
21019 * genpeep.c (match_rtx): Likewise.
21021 * genrecog.c (add_to_sequence): Likewise.
21023 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
21026 * integrate.c (save_constants, copy_for_inline,
21027 copy_rtx_and_substitute, subst_constants, restore_constants):
21030 * jump.c (mark_jump_label, invert_exp, redirect_exp,
21031 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
21033 * local-alloc.c (contains_replace_regs, memref_referenced_p):
21036 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
21037 add_label_notes, replace_call_address, count_nonfixed_reads,
21038 invariant_p, find_single_use_in_loop, find_mem_givs,
21039 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
21042 * print-rtl.c (reg_names, print_rtx): Likewise.
21044 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
21046 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
21047 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
21048 print_blocks): Likewise.
21050 * regclass.c (fix_register, record_address_regs,
21051 reg_scan_mark_refs): Likewise.
21053 * regmove.c (stable_but_for_p): Likewise.
21055 * reload.c (loc_mentioned_in_p, operands_match_p,
21056 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
21057 copy_replacements, refers_to_regno_for_reload_p,
21058 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
21059 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
21062 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
21063 delete_address_reloads_1, count_occurrences,
21064 reload_cse_mem_conflict_p, reload_combine_note_use,
21065 add_auto_inc_notes): Likewise.
21067 * resource.c (mark_referenced_resources, mark_set_resources):
21070 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
21071 reg_mentioned_p, regs_set_between_p, modified_between_p,
21072 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
21073 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
21074 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
21075 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
21077 * sched.c (sched_analyze_2, attach_deaths): Likewise.
21079 * stupid.c (stupid_mark_refs): Likewise.
21081 * unroll.c (remap_split_bivs): Likewise.
21083 * varasm.c (mark_constants): Likewise.
21085 * a29k/a29k.c (uses_local_reg_p): Likewise.
21087 * alpha/alpha.c (summarize_insn): Likewise.
21089 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
21090 eliminate_lr2ip): Likewise.
21092 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
21094 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
21095 reg_mentioned_in_mem): Likewise.
21097 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
21098 symbolic_reference_mentioned_p): Likewise.
21100 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
21102 * sh/sh.c (regs_used, mark_use): Likewise.
21104 * vax/vax.c (vax_rtx_cost): Likewise.
21106 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21108 * machmode.h (mode_name): Constify a char*.
21110 * rtl.c (mode_name): Likewise.
21112 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
21114 * optabs.c (init_libfuncs): Constify a char*.
21116 * print-tree.c (mode_name): Remove redundant declaration.
21117 (print_node): Use accessor macro, not `mode_name'.
21119 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
21121 (new_spill_reg): Constify a char*.
21123 * tree.c (mode_name): Remove redundant declaration.
21125 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21127 * rtl.c (rtx_name): Constify a char*.
21129 * rtl.h (rtx_name, fix_sched_param): Likewise.
21131 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
21132 (mypr): Use accessor macro, not `rtx_name'.
21134 * genemit.c (print_code): Constify a char*.
21136 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
21138 * genpeep.c (print_code): Constify a char*.
21140 * genrecog.c (print_code): Likewise.
21142 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
21143 end_bb): Add static prototype.
21144 (draw_edge): Constify a char*.
21145 (end_bb): Remove unused parameter.
21147 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
21148 print_block_visualization): Constify a char*.
21150 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
21152 * c-common.c (c_get_alias_set): Update comment.
21154 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21156 * linux.h (LIB_SPEC): Added.
21158 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21160 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
21162 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
21164 * tree.c (expr_check): Fix typo in last change.
21166 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
21168 * rtl.def (NOTE): Change format to "iuu0n".
21169 (ADDR_DIFF_VEC): Change format to "eEee0".
21170 (ADDRESSOF): Change format to "eit".
21172 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
21173 (RTVEC_ELT): Change to match.
21174 (XVECEXP): Use XVEC and RTVEC_ELT.
21175 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
21176 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
21177 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
21178 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
21179 TRAP_CONDITION, TRAP_CODE): Use XEXP.
21180 (INTVAL): Use XWINT.
21181 (ADDRESSOF_DECL): Use XTREE.
21182 (SET_ADDRESSOF_DECL): Delete.
21183 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
21184 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
21185 ifdefed out since 2.6 at least.
21186 (gen_rtvec_vv): Delete prototype.
21188 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
21190 (copy_most_rtx): Handle 't' format letter.
21191 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
21192 (gen_rtvec_vv): Delete function. All callers changed to use
21193 gen_rtvec_v instead.
21194 * print-rtl.c (print_rtx): Move special casing of NOTEs to
21195 the '0' format letter.
21197 * function.c (gen_mem_addressof): Don't use
21198 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
21200 * integrate.c (copy_rtx_and_substitute): Likewise.
21201 Copy 't' slots with XTREE.
21202 (subst_constants): Treat 't' slots like '[swi]' slots.
21203 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
21204 * jump.c (rtx_equal_for_thread_p): Likewise.
21205 * rtlanal.c (rtx_equal_p): Likewise.
21206 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
21207 only four arguments.
21208 * gengenrtl.c (type_from_format): Provide correct types for
21212 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
21213 If a recent gcc is in use (always in stage2 and beyond), use
21214 statement expressions, so we don't make a function call unless
21215 the check fails. Evaluate arguments exactly once.
21216 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
21217 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
21219 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
21220 they evaluate their arguments exactly once, irrespective of
21221 the compiler in use.
21223 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
21224 is used by the currently-enabled check macros. This is:
21225 (tree_check_failed, tree_class_check_failed): For gcc.
21226 (tree_check, tree_class_check, cst_or_constructor_check,
21227 expr_check): For other compilers.
21229 * gencheck.c: Do not define any *_CHECK1 macros.
21231 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
21232 Mark Mitchell <mark@codesourcery.com>
21234 * c-common.c (c_get_alias_set): Fix support for poitners and
21237 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
21239 * alias.c: Include tree.h.
21240 (nonlocal_reference_p, mark_constant_function): New functions.
21241 * flow.c (life_analysis): Call mark_constant_function.
21242 * rtl.h (mark_constant_function): Declare it.
21244 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
21246 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
21247 unrecognisable switches.
21249 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21251 * loop.c (recombine_givs): Set ix field after sorting.
21252 (recombine_givs): Remove bogus index / giv lockstep looping.
21254 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21256 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
21258 (emit_store_flag_force): Use do_compare_rtx_and_jump.
21259 (do_cmp_and_jump): Formatting fixes.
21260 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
21261 do_compare_rtx_and_jump instead of compare_from_rtx.
21262 (do_compare_rtx_and_jump): New function; mostly copied from
21264 (do_jump_for_compare): Delete.
21265 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
21267 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
21268 of compare/do_jump_for_compare pairs.
21269 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
21270 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
21271 compare_from_rtx/do_jump_for_compare pairs.
21272 (do_jump_by_parts_equality): Likewise.
21273 (do_jump_by_parts_equality_rtx): Likewise.
21274 * expr.h (do_compare_rtx_and_jump): Declare.
21275 * optabs.c (prepare_cmp_insn): New function, contains most of the code
21276 that used to be in emit_cmp_insn.
21277 (cmp_available_p): New function.
21278 (prepare_operand): New function.
21279 (emit_cmp_and_jump_insn_1): New function, contains some code that used
21280 to be in emit_cmp_insn.
21281 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
21282 parameters to be pointers; don't emit final compare but modify some of
21283 the values pointed to by the args so the caller can perform the
21284 correct comparison.
21285 (expand_binop): Call emit_store_flag_force with signed forms of
21287 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
21288 emit_jump_insn pair.
21289 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
21290 emit_cmp_and_jump_insn_1. Call emit_queue.
21291 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
21293 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
21294 jump sets cc0 before deleting it.
21295 * integrate.c (expand_inline_function): Likewise.
21296 * unroll.c (unroll_loop): Similar changes in several places.
21297 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
21298 before deleting it.
21300 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21302 * Makefile.in (insn-recog.o): Update dependencies.
21303 * genrecog.c (main): Make generated file include "function.h".
21305 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
21307 * cse.c (cse_insn): Call never_reached_warning when a jump is
21308 changed to be unconditional.
21309 * flags.h: Declare warn_notreached.
21310 * flow.c (delete_block): Call never_reached_warning when
21311 a block is deleted.
21312 * jump.c (delete_barrier_successors): Call never_reached_warning
21313 when we delete everything after a BARRIER.
21314 (never_reached_warning): New function.
21315 * rtl.h: Declare never_reached_warning.
21316 * toplev.c (warn_notreached): New variable.
21317 (lang_independent_options): Set warn_notreached
21318 when -Wunreachable-code.
21319 (compile_file): We need line numbers for -Wunreachable-code.
21321 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
21323 * haifa-sched.c (insn_unit): Fix typo on out of range test.
21324 * sched.c (insn_unit): Likewise.
21326 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
21328 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
21330 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21332 * flow.c (create_edge_list): Use xmalloc, not malloc.
21334 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
21336 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
21337 C-style comments. Do not lose the character before double slash.
21339 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21341 * basic-block.h (struct edge_list): Stucture to maintain a vector
21343 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
21344 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
21345 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
21346 New function prototypes.
21347 * flow.c (create_edge_list): Function to create an edge list.
21348 (free_edge_list): Discards memory used by an edge list.
21349 (print_edge_list): Debug output showing an edge list.
21350 (verify_edge_list): Internal consistency check for an edge list.
21351 (find_edge_index): Function to find an edge index for a pred and succ.
21353 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
21355 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
21358 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
21360 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
21362 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
21364 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
21366 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
21368 * toplev.c (rest_of_compilation): Allow machine dependent
21369 reorganisation pass to place information into the RTL dump
21370 file if it so wishes.
21372 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
21374 * explow.c (hard_function_value): Use VOIDmode instead of
21376 * stmt.c (expand_return): Likewise.
21377 * stor-layout.c (get_best_mode): Likewise.
21379 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
21380 emit call instead of emit_insn call.
21382 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21384 * configure.in: Handle --disable/enable-win32-registry.
21385 * install.texi: Document --disable/enable-win32-registry.
21386 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
21387 (WIN32_REGISTRY_KEY): New macro.
21388 * prefix.c: Use to enable/disable win32-specific code.
21389 (lookup_key): Use versioned key.
21390 * configure: Regenerate.
21391 * config.in: Likewise.
21393 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
21395 * cpplib.c (read_line_number): New fn, split out of...
21398 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
21400 tree.c (lang_unsave_expr_now) : New.
21401 (unsave_expr_now): Call lang_unsave_expr_now.
21402 tree.h (lang_unsave_expr_now) : New.
21404 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
21406 * toplev.c (flag_new_exceptions): On by default.
21408 1999-08-13 Michael Meissner <meissner@cygnus.com>
21410 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
21412 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21414 * dwarfout.c (fundamental_type_code): Return FT_boolean for
21415 INTEGER_TYPE with precision==1, it's __java_boolean.
21417 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21419 * global.c (prune_preferences): Move some invariants out of the
21422 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
21424 * configure.in (alpha*-dec-osf*): Add osf5.
21426 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
21428 * configure.in: Rework handling of ARM GNU/Linux slightly.
21429 (arm*-*-linux-gnuoldld): New target.
21430 * configure: Regenerate.
21431 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
21432 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
21433 * config/arm/linux-oldld.h: New file.
21434 * config/arm/linux-elf26.h: Don't include linux-elf.h.
21435 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
21437 * config/arm/linux-elf.h (ASM_SPEC): Define.
21438 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
21439 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
21440 for 26-bit APCS and old linker.
21441 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
21443 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
21444 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
21445 don't define `arm' or `arm_elf'.
21446 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
21447 MULTILIB_DIRNAMES): Define. Fix typo in comment.
21449 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
21451 * rtl.texi: Fix typo.
21453 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
21455 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
21457 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
21459 * extend.texi (C++ Signatures): Remove node.
21460 * invoke.texi: Remove discussion of -fhandle-signatures,
21461 signature, sigof, __signature__, and __sigof__.
21463 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
21465 * Makefile.in (JAVAGC): Removed.
21467 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
21469 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21471 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
21473 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
21475 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
21477 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
21478 a register that is already known to be a pointer.
21480 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
21482 * fixinc/inclhack.tpl: Only install assert.h conditionally.
21483 * fixinc/inclhack.sh: Regenerated.
21484 * fixinc/fixincl.sh: Regenerated.
21486 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
21488 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
21489 Fix documentation of -ansi flag to describe its C++ behavior.
21490 Remove bogus reference to GCC 2.9.
21492 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
21494 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
21495 note if it is non-NULL.
21497 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21499 * except.h (eh_nesting_info): Add new structure defintion.
21500 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
21501 (reachable_handlers, update_rethrow_references): Add function
21503 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
21504 a rethrow symbol instead of an integer exception region number.
21505 * flow.c (Make_edges): Use new exception nesting routines to determine
21506 which handlers are reachable from a CALL or asynchronous insn.
21507 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
21509 (delete_eh_regions): Update rethrow labels, and don't delete
21510 regions which are the target of a rethrow.
21511 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
21512 avoid overloading the SYMBOL_REF_USED flag.
21513 (rethrow_symbol_map): Use new rethrow_ref field.
21514 (rethrow_used): Use new rethrow_ref field.
21515 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
21516 of an integer. Fix formatting.
21517 (output_exception_table_entry): Use new rethrow_ref field.
21518 (can_throw): Check for EH_REGION_NOTE before deciding
21519 whether a CALL can throw or not.
21520 (scan_region): Call rethrow_used() instead of accessing data structure.
21521 (update_rethrow_references): New function to make sure only regions
21522 which are still targets of a rethrow are flagged as such.
21523 (process_nestinfo): New static function to initialize a handler
21524 list for a specific region.
21525 (init_eh_nesting_info): New function to allocate and initialize
21526 the list of all EH handlers reachable from all regions.
21527 (reachable_handlers): New function to retrieve the list of handlers
21528 reachable from a specific region and insn.
21529 (free_eh_nesting_info): New function to dispose of a list of
21530 reachable handlers.
21532 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21534 * flow.c (split_edge): Set JUMP_LABEL field.
21535 (commit_one_edge_insertion): Set head correctly for insert_before.
21536 When inserting insns, update insn block numbers if allocated.
21538 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21540 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
21541 retry_incomplete_types): Add static prototype.
21542 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
21543 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
21544 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
21545 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
21546 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
21549 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
21550 dwarf2out_start_source_file, dwarf2out_line): Likewise.
21552 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21554 * output.h (assemble_name): Constify a char*.
21556 * varasm.c (UNIQUE_SECTION, assemble_start_function,
21557 assemble_variable, assemble_name): Likewise.
21559 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
21561 * arm/pe.c (arm_pe_unique_section): Likewise.
21563 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
21565 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
21567 * i386/interix.c (i386_pe_unique_section): Likewise.
21569 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
21571 * i386/winnt.c (i386_pe_unique_section): Likewise.
21573 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
21575 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
21577 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
21579 * pa/pa.c (output_call): Likewise.
21581 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
21583 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
21585 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
21588 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
21591 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
21593 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
21594 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
21596 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
21598 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21600 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
21602 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21604 * tree.h (lang_identify): Constify a char*.
21605 (print_error_function): Add extern prototype. Constify a char*.
21607 * c-lang.c (lang_identify): Constify a char*.
21609 * objc/objc-act.c (lang_identify): Constify a char*.
21611 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21613 * genpeep.c (main): Make generated file include "function.h".
21614 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
21616 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21618 * Makefile.in: Update dependencies.
21619 * alias.c: Include "function.h"
21620 * c-decl.c: Likewise.
21621 * caller-save.c: Likewise.
21622 * calls.c: Likewise.
21623 * combine.c: Likewise.
21625 * explow.c: Likewise.
21626 * final.c: Likewise.
21627 * global.c: Likewise.
21628 * graph.c: Likewise.
21629 * local-alloc.c: Likewise.
21630 * loop.c: Likewise.
21631 * optabs.c: Likewise.
21632 * profile.c: Likewise.
21633 * recog.c: Likewise.
21634 * regclass.c: Likewise.
21635 * regmove.c: Likewise.
21636 * reload.c: Likewise.
21637 * reorg.c: Likewise.
21638 * resource.c: Likewise.
21639 * sched.c: Likewise.
21640 * stupid.c: Likewise.
21641 * config/1750a/1750a.c: Likewise.
21642 * config/a29k/a29k.c: Likewise.
21643 * config/arc/arc.c: Likewise.
21644 * config/arm/arm.c: Likewise.
21645 * config/arm/thumb.c: Likewise.
21646 * config/c4x/c4x.c: Likewise.
21647 * config/clipper/clipper.c: Likewise.
21648 * config/convex/convex.c: Likewise.
21649 * config/fx80/fx80.c: Likewise.
21650 * config/i860/i860.c: Likewise.
21651 * config/m68k/m68k.c: Likewise.
21652 * config/m88k/m88k.c: Likewise.
21653 * config/mips/mips.c: Likewise.
21654 * config/pdp11/pdp11.c: Likewise.
21655 * config/pyr/pyr.c: Likewise.
21656 * config/romp/romp.c: Likewise.
21657 * config/sh/sh.c: Likewise.
21658 * config/tahoe/tahoe.c: Likewise.
21659 * config/vax/vax.c: Likewise.
21660 * config/we32k/we32k.c: Likewise.
21661 * config/sparc/sparc.c: Include "function.h".
21662 (mem_min_alignment): Test current_function rather than
21663 regno_pointer_align.
21664 * config/pa/pa.c: Likewise.
21665 (compute_frame_size): Delete declaration of
21666 current_function_outgoing_args_size.
21667 * config/arc/arc.h (current_function_varargs): Delete declaration.
21668 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
21670 * config/i370/i370.h (current_function_outgoing_args_size): Delete
21672 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
21673 current_function_uses_pic_offset_table.
21674 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
21675 of current_function_returns_pointer.
21676 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21677 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21678 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21679 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21680 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21681 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
21682 * config/m88k/m88k.c: Include "function.h"
21683 (call_used_regs, current_function_pretend_args_size,
21684 current_function_outgoing_args_size, frame_pointer_needed): Delete
21686 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
21688 * config/mips/mips.h (current_function_calls_alloca): Delete
21690 * config/mn10200/mn10200.h (current_function_needs_context,
21691 rtx_equal_function_value_matters): Delete declarations.
21692 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
21693 flag_pic): Delete declarations.
21694 * config/pa/pa.h (current_function_pretend_args_size,
21695 current_function_decl): Delete declarations.
21696 * config/pa/som.h (current_function_varargs): Delete declaration.
21697 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
21699 * config/pyr/pyr.h (current_function_pretend_args_size,
21700 current_function_args_size, current_function_calls_alloca): Delete
21702 * config/sh/sh.h (current_function_varargs): Delete declaration.
21703 * config/sparc/sparc.h (current_function_outgoing_args_size,
21704 current_function_calls_alloca, current_function_decl): Delete
21706 * config/spur/spur.h (current_function_pretend_args_size,
21707 current_function_calls_alloca): Delete declarations.
21708 * config/v850/v850.c (current_function_outgoing_args_size): Delete
21710 * config/vax/vms.h (current_function_name): Delete declaration.
21711 * gcse.c: Include "function.h".
21712 (current_function_name, current_function_calls_setjmp): Delete
21714 * haifa-sched.c: Include "function.h".
21715 (forced_labels): Delete declaration.
21716 * jump.c: Likewise.
21717 * reg-stack.c: Likewise.
21718 * reload1.c: Likewise.
21719 * genemit.c (main): Make generated file include function.h.
21720 * genoutput.c (output_prologue): Likewise.
21722 * builtins.c (saveregs_value, apply_args_value): Delete variables.
21723 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
21724 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
21725 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
21726 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
21727 macros for some of them.
21728 (emit_filename, emit_lineno): Delete declarations.
21729 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
21730 regno_pointer_* variables through current_function.
21731 (gen_inline_header_rtx): Delete function.
21732 (save_emit_status): Delete function.
21733 (set_new_last_label_num): New function.
21734 (clear_emit_caches): New function.
21735 (restore_emit_status): Just clear last_labelnum and call
21737 (get_last_insn_anywhere): Variable sequence_stack is now accessed
21738 through macro seq_stack.
21739 (add_insn_after): Likewise.
21740 (add_insn_before): Likewise.
21741 (remove_insn): Likewise.
21742 (pop_topmost_sequence): Likewise.
21743 (in_sequence_p): Likewise.
21744 (start_sequence_for_rtl_expr): Likewise.
21745 (start_sequence): Likewise, and likewise for
21746 sequence_rtl_expr/seq_rtl_expr.
21747 (push_topmost_sequence): Likewise.
21748 (end_sequence): Likewise.
21749 (init_virtual_regs): Now takes a "struct emit_status *" argument.
21750 All callers changed. Store into that pointer instead of globals.
21751 (init_emit): Allocate emit elt of current_function.
21752 Changes for sequence_rtl_expr/sequence_stack renaming.
21753 Call clear_emit_caches instead of doing it in-line.
21754 Access regno_pointer_* variables through current_function.
21755 (init_emit_once) Don't clear sequence_stack.
21757 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
21759 (arg_pointer_save_area): Delete declaration.
21760 (finish_expr_for_function): Renamed from init_queue; no longer static.
21761 (init_expr): Don't call init_queue.
21762 (save_expr_status, restore_expr_status): Delete functions.
21763 (expand_expr): Changes to reflect new layout of struct function.
21764 Don't access current_function_check_memory_usage when current_function
21766 * expr.h (forced_labels, save_expr_regs, saveregs_value,
21767 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
21768 current_function_outgoing_args_size, current_function_arg_offset_rtx,
21769 current_function_uses_const_pool, function_call_count,
21770 current_function_uses_pic_offset_table, nonlocal_labels,
21771 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
21772 current_function_check_memory_usage, nonlocal_goto_handler_slots,
21773 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
21775 (finish_expr_for_function): Declare.
21776 * flags.h (current_function_has_nonlocal_label,
21777 current_function_has_nonlocal_goto, current_function_is_thunk,
21778 current_function_has_computed_jump): Delete declarations.
21779 * flow.c (forced_labels): Delete declaration.
21780 * function.c (current_function_pops_args,
21781 current_function_returns_struct, current_function_returns_pcc_struct,
21782 current_function_needs_context, current_function_calls_setjmp,
21783 current_function_calls_longjmp, current_function_has_nonlocal_label,
21784 current_function_has_nonlocal_goto, current_function_is_thunk,
21785 current_function_has_computed_jump, current_function_calls_alloca,
21786 current_function_contains_functions, current_function_returns_pointer,
21787 current_function_epilogue_delay_list, current_function_args_size,
21788 current_function_pretend_args_size, current_function_arg_offset_rtx,
21789 current_function_outgoing_args_size, current_function_varargs,
21790 current_function_stdarg, current_function_args_info, cleanup_label,
21791 current_function_name, current_function_uses_const_pool,
21792 current_function_instrument_entry_exit, current_function_return_rtx,
21793 current_function_uses_pic_offset_table, nonlocal_labels,
21794 current_function_internal_arg_pointer, current_function_cannot_inline,
21795 current_function_check_memory_usage, function_call_count,
21796 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
21797 nonlocal_goto_stack_level, return_label, save_expr_regs,
21798 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
21799 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
21800 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
21801 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
21802 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
21804 (push_function_context_to): Don't save them. Don't call
21805 save_storage_status, save_emit_status or save_expr_status.
21806 (pop_function_context_from): Don't restore them. Don't call
21807 restore_storage_status or restore_expr_status.
21808 (get_func_frame_size): New function.
21809 (get_frame_size): Use it.
21810 (assign_outer_stack_local): Reflect some member name changes in struct
21812 (put_reg_into_stack): Likewise.
21813 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
21815 (fixup_var_refs): Likewise.
21816 (fix_lexical_addr): Likewise.
21817 (trampoline_address): Likewise.
21818 (prepare_function_start): Clear field inlinable of current_function.
21819 (init_function_for_compilation): New function.
21820 (expand_dummy_function_end): New function.
21821 (expand_function_end): Call finish_expr_for_function.
21822 * function.h (struct emit_status): New; fields moved here from struct
21823 function and from global variables. Add accessor macros for some of
21825 (struct expr_status): Likewise.
21826 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
21827 (struct function): Add fields expr and emit, inlinable, inl_emit,
21828 original_arg_vector, original_decl_initial, inl_last_parm_insn,
21829 inl_max_label_num. Add many comments.
21830 Add accessor macros for all elts of struct function that no longer
21831 have a global variable.
21832 (cleanup_label, return_label, frame_offset, tail_recursion_label,
21833 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
21834 stack_slot_list): Delete declarations.
21835 (get_func_frame_size): Declare.
21836 (save_expr_status, restore_expr_status, save_emit_status,
21837 save_storage_status, restore_storage_status): Delete declarations.
21838 (init_virtual_regs): Declare.
21839 * output.h (current_function_pops_args,
21840 current_function_returns_struct, current_function_returns_pcc_struct,
21841 current_function_needs_context, current_function_calls_setjmp,
21842 current_function_calls_longjmp, current_function_calls_alloca,
21843 current_function_has_nonlocal_label, current_function_varargs,
21844 current_function_has_computed_jump, current_function_returns_pointer,
21845 current_function_contains_functions, current_function_args_size,
21846 current_function_pretend_args_size, current_function_stdarg,
21847 current_function_outgoing_args_size, current_function_args_info,
21848 current_function_name, current_function_return_rtx,
21849 current_function_epilogue_delay_list,
21850 current_function_uses_const_pool, current_function_cannot_inline):
21851 Delete declarations.
21852 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
21853 regno_reg_rtx): Delete declaration.
21854 (REGNO_POINTER_FLAG): Delete macro.
21855 * stmt.c (expand_goto): Changes to reflect that some fields in struct
21856 function were renamed.
21857 * stor-layout.c (save_storage_status, restore_storage_status): Delete
21859 * toplev.c: Include "function.h".
21860 (current_function_decl): Delete declaration.
21861 (compile_file): Call init_dummy_function_start and
21862 expand_dummy_function_end around some initializations that need to
21864 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
21865 Call init_function_for_compilation.
21866 * unroll.c: Include "function.h"
21867 (unroll_loop): Access regno_pointer_* variables through
21870 * tree.h (struct tree_decl): Add elt f to saved_insns member.
21871 (DECL_SAVED_INSNS): use it.
21872 (expand_dummy_function_end): Declare.
21873 (init_function_for_compilation): Declare.
21874 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
21875 that it's no longer an INLINE_HEADER.
21876 (expand_call): Likewise.
21877 * integrate.c (finish_inline): Delete function.
21878 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
21879 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
21880 args. Don't generate an INLINE_HEADER rtx, just return the arg
21881 vector. All callers changed.
21882 (save_for_inline_copying): Create a duplicate struct emit_status to
21883 hold the emit state for compiling the current function. Use this and
21884 the other new fields in struct function that are for integration
21885 instead of an INLINE_HEADER.
21886 Use memcpy instead of bcopy.
21887 Store the current struct function in DECL_SAVED_INSNS of fndecl.
21888 (save_for_inline_nocopy): Similar changes, except no new emit_status
21890 (expand_inline_function): Get information from function structure,
21891 not from an inline header rtx.
21892 (output_inline_function): Lose code to extract the necessary
21893 information from an inline header; simply put back the function
21894 structure into current_function. Clear its inlinable elt.
21895 * rtl.def (INLINE_HEADER): Delete.
21896 * rtl.h: Delete all accessors for an INLINE_HEADER.
21897 (gen_inline_header_rtx): Delete declaration.
21898 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
21899 Delete declarations.
21900 (REGNO_POINTER_ALIGN): Delete.
21901 (clear_emit_caches): Declare.
21902 (set_new_last_label_num): Declare.
21904 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
21906 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
21908 * except.c (expand_eh_region_start_for_decl): Always start a new block.
21909 * stmt.c (is_eh_region): Make sure current_function is present, too.
21911 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
21913 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
21914 for 64bit PA targets.
21916 * pa.h (SELECT_SECTION): Define.
21917 * som.h (SELECT_SECTION): Delete.
21919 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21921 * alias.c (init_alias_analysis): Wrap call to
21922 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
21924 1999-08-07 Bruce Korb <autogen@linuxbox.com>
21926 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
21927 <sys/asm.h> contains an asm comment with an apostrophe
21928 * fixinc/inclhack.sh: regen
21929 * fixinc/fixincl.x: regen
21931 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
21933 * function.c (init_function_start): Clear prologue & epilogue.
21934 (prologue_epilogue_contains): New function.
21935 * alias.c (init_alias_analysis): Use it.
21936 * rtl.h (prologue_epilogue_contains): Declare it.
21938 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
21940 * jump.c (onlyjump_p): New function.
21941 * rtl.h: Declare it.
21942 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
21943 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
21945 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
21947 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
21948 to invert loops. Simplify block scanning.
21950 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21952 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
21953 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
21955 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
21957 * config/sparc/liteelf.h: New file to support sparclite-elf target
21958 * config/sparc/t-sp86x: New file to support sparc86x targets
21959 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
21960 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
21961 * configure.in: Support above target triplets
21962 * configure: Regenerated
21964 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
21966 * fixinc/server.c (server_setup): Do not prefix function used as
21967 parameter with `&'.
21969 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
21971 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
21972 Remove fp reg alternatives.
21974 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
21976 * Makefiin (TAROUTOPTS): Kill.
21977 (install-headers-tar): Use "xpf" for tar headerfile extraction
21978 * i370/x-oe (TAROUTOPTS): Delete.
21979 * m68k/x-apollo68 (TAROUTOPTS): Delete.
21980 * m68k/x-hp320 (TAROUTOPTS): Delete.
21981 * m68k/x-hp320g (TAROUTOPTS): Delete.
21982 * gcc.texi: Update bug reporting text.
21984 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21986 * reg-stack.c (change_stack) Fixed problem with negative array index.
21988 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
21990 * extend.texi, install.texi: Fix spelling mistakes.
21992 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
21993 (s-attrtab); No longer try to use pre-made insn-attrtab file.
21994 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
21995 PREMADE_ATTRTAB_MD.
21996 * mips/t-ecoff: Likewise.
21997 * mips/t-elf: Likewise.
21998 * mips/t-mips: Likewise.
21999 * mips/t-osfrose: Likewise.
22000 * mips/t-r3900: Likewise.
22001 * mips/t-svr3: Likewise.
22002 * mips/t-svr4: Likewise.
22003 * mips/t-ultrix: Likewise.
22005 * gcc.texi: Document recommend means to provide software floating
22006 point libraries in libgcc.a
22008 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
22010 * c-lex.c (yylex): We can have a number with no digits.
22012 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
22014 * jump.c (delete_prior_computation): New function, broken
22015 out of delete_computation. Check for side effects with
22016 side_effects_p instead of FIND_REG_INC_NOTE. Handle
22017 multi-word hard registers.
22018 (delete_computation): Use it. Check for side effects with
22019 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
22020 missing REG_DEAD note for a register which is both set and
22023 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
22025 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
22026 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
22027 (ASM_FILE_START): Import _mcount with the right type.
22028 (ASM_DECLARE_FUNCTION_NAME): Define.
22029 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
22030 * pa.c (output_function_prologue): Always emit the function's label
22032 * pa.h (TEXT_SPACE_P): Define.
22033 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22034 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
22035 * som.h (TEXT_SPACE_P): Delete.
22036 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22037 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
22039 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
22041 * expr.c (emit_group_load): Allow src to be a CONCAT.
22043 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22045 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
22046 (___mulsi3): Use '!' comment character.
22048 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22050 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
22052 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
22054 * gcc.c: Update URLs and mail addresses.
22055 * gcc.texi: Likewise.
22057 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
22059 * rs6000.c (current_file_function_operand): Return zero for
22061 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
22063 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
22066 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
22068 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
22069 allocate space in the stack frame for the PIC register.
22071 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
22073 * m68k.md (xordi3, anddi3): These patterns are not available on
22076 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
22078 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
22079 (PUT_REAL): Likewise.
22081 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22083 * final.c (shorten_branches): Don't add an alignment for loops
22084 that have no label inside.
22086 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22088 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
22089 prototypes in macro HAVE_cmpstrsi.
22091 * cpplib.c (cpp_get_token): Remove unused label `op3'.
22093 * emit-rtl.c (operand_subword): Remove unused variable
22096 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
22098 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
22100 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
22102 * cpphash.c (macroexpand): Delete leading whitespace when arg
22103 is concatenated before.
22104 (unsafe_chars): Correct test for whether + and - can extend a
22107 * cppinit.c (cpp_start_read): Do dependencies for
22108 -include/-imacros files also.
22110 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
22111 tokenizing non-directive lines.
22112 (cpp_expand_to_buffer): Temporarily disable no-output mode.
22113 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
22116 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
22118 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
22120 * c-lex.c: Sync with C++ frontend.
22121 (linemode): New variable.
22122 (parse_float): imag, conversion_errno, and type are output only.
22123 (yylex): Adjust. Move initial '.' case into main switch.
22125 (handle_generic_pragma): Just deal with tokens.
22126 (readescape): Use ISXDIGIT and ISGRAPH.
22127 * c-parse.in: Add END_OF_LINE token.
22129 * c-lex.c (lang_init): Generalize.
22130 (nextchar): Remove. Replace uses with UNGETC.
22131 (skip_white_space): Handle linemode here. Optimize for cpplib.
22132 (skip_white_space_on_line): Remove.
22133 (extend_token_buffer_to): New fn.
22134 (extend_token_buffer): Use it.
22135 (read_line_number, check_newline): Just deal with tokens.
22136 (token_getch, token_put_back): New fns.
22137 (yylex): Use them. More cpplib optimizations. Simplify.
22139 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22140 Jason Merrill <jason@yorick.cygnus.com>
22142 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
22143 (consume_string): Make this smart about USE_CPPLIB.
22144 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
22145 (yylex): Rewrite to be intelligent about USE_CPPLIB.
22146 Also, clean up cases where we redundantly set token_buffer[0].
22147 (read_line_number): New fn.
22148 (ignore_escape_flag): New variable.
22150 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
22152 * a29k/t-a29kbare: Fix some comments.
22153 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
22154 (FPBIT, DPBIT): Define.
22155 * a29k/t-vx29k: Likewise.
22156 * arc/t-arc: Likewise.
22157 * arm/t-arm-elf: Likewise.
22158 * arm/t-bare: Likewise.
22159 * arm/t-pe: Likewise.
22160 * arm/t-pe-thumb: Likewise.
22161 * arm/t-semi: Likewise.
22162 * arm/t-thumb: Likewise.
22163 * arm/t-thumb-elf: Likewise.
22164 * arm/t-thumb-linux: Likewise.
22165 * h8300/t-h8300: Likewise.
22166 * i960/t-i960: Likewise.
22167 * i960/t-vxworks960: Likewise.
22168 * m32r/t-m32r: Likewise.
22169 * mips/t-ecoff: Likewise.
22170 * mips/t-elf: Likewise.
22171 * mips/t-r3900: Likewise.
22172 * pa/t-pro: Likewise.
22173 * rs6000/t-aix43: Likewise.
22174 * rs6000/t-beos: Likewise.
22175 * rs6000/t-newas: Likewise.
22176 * rs6000/t-ppccomm: Likewise.
22177 * rs6000/t-rs6000: Likewise.
22178 * rs6000/t-winnt: Likewise.
22179 * rs6000/t-xnewas: Likewise.
22180 * rs6000/t-xrs6000: Likewise.
22181 * sh/t-sh: Likewise.
22182 * sparc/t-elf: Likewise.
22183 * sparc/t-sparcbare: Likewise.
22184 * sparc/t-sparclite: Likewise.
22185 * sparc/t-splet: Likewise.
22186 * v850/t-v850: Likewise.
22187 * mn10200/t-mn10200: Fix comments.
22188 * mn10300/t-mn10300: Likewise.
22190 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
22191 dummy operand. Allocate a new pseudo for the dummy operand.
22192 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
22194 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
22196 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
22198 * configure: Rebuilt.
22199 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
22201 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
22203 * recog.c (preproces_constraints): Zero recog_op_alt before
22204 processing the constraints.
22206 * arm.c (typedef minipool_node): Renamed from pool_node.
22207 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
22208 (add_minipool_constant): New function.
22209 (dump_minipool): New function.
22210 (find_barrier): Remove special case for getting the insn size of
22211 an insn that references the constant pool.
22212 (minipool_fixup): New structure.
22213 (push_minipool_barrier): New function.
22214 (push_minipool_fix): New function.
22215 (note_invalid_constants): New function.
22216 (add_pool_constant, dump_table, fixit, broken_move): Delete.
22217 (arm_reorg): Rewrite code to fix up the constant pool into a
22218 series of mini-pools embedded in the insn stream.
22219 (arm_output_epilogue): New function, made mainly from the body
22220 of output_func_epilogue.
22221 (output_func_epilogue): Move insn generation part of epilogue code
22222 to arm_output_epilogue.
22223 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
22224 * arm.md (pool_range): New attribute.
22225 (zero_extendqidi2): Add attribute pool_range.
22226 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
22227 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
22228 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
22229 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
22230 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
22231 (epilogue): New expand.
22232 (epilogue_insn): New insn. Call arm_output_epilogue.
22234 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
22235 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
22237 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
22239 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22241 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
22243 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
22245 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
22247 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
22249 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
22251 * global.c: Fix comment.
22253 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
22255 * gcc.c (access_check): New static function.
22256 (find_a_file): Use it when searching a directory list.
22257 * collect2.c (find_a_file): Don't accept directories found when
22258 searching a directory list.
22260 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
22262 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
22263 function parameters with `&'.
22264 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
22266 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
22268 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
22269 or tidy_fallthru_edge if the last insn in the block is not
22270 an unconditional jump or a simple conditional jump.
22272 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22274 * Makefile.in (c-decl.o): Depends on defaults.h.
22276 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
22278 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
22280 (CLASS_MAX_NREGS): Likewise.
22282 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
22284 * cse.c (cse_insn): Fix dumb thinko in last change.
22286 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22288 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
22291 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
22293 * dwarf2out.c (add_location_or_const_value_attribute): Correct
22294 test for sizes of passed and declared parameter types.
22296 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22298 * fixincludes: Fix the return type of bsearch, char* -> void*.
22300 * fixinc/inclhack.def: Likewise.
22302 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
22304 * invoke.texi (-fdump-translation-unit): New option.
22306 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
22308 * expr.h (PROMOTE_PROTOTYPES): Move ...
22309 * defaults.h: ... to here.
22310 * c-decl.c: Include defaults.h instead of expr.h.
22311 * c-typeck.c: Include defaults.h.
22313 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
22315 * toplev.h (errorcount): Declare.
22316 (warningcount): Likewise.
22317 (sorrycount): Likewise.
22318 * c-lex.c (errorcount): Don't declare.
22319 * dwarf2out.c (errorcount): Don't declare.
22321 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
22323 * config/libgloss.h: Add a note discouraging use with ELF.
22324 * configure.in: Don't use libgloss.h for ELF targets.
22325 Always use_collect2 on a.out targets.
22327 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
22329 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
22330 (force_to_mode, case ASHIFTRT): Add shiftrt label.
22332 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22334 * loop.c (strength_reduce): When doing biv->giv conversion, update
22335 reg note of NEXT->insn.
22337 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22339 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
22341 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22343 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
22344 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
22345 Ensure expr.h is included.
22346 * c-typecheck.c (convert_arguments): Ditto.
22348 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
22350 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
22351 * config/convex/convex.h: Ditto.
22352 * config/dsp16xx/dsp16xx.h: Ditto.
22353 * config/fx80/fx80.h: Ditto.
22354 * config/gmicro/gmicro.h: Ditto.
22355 * config/i370/i370.h: Ditto.
22356 * config/i386/i386.h: Ditto.
22357 * config/m32r/m32r.h: Ditto.
22358 * config/m68k/m68k.h: Ditto.
22359 * config/m88k/m88k.h: Ditto.
22360 * config/mips/mips.h: Ditto.
22361 * config/pa/pa.h: Ditto.
22362 * config/pyr/pyr.h: Ditto.
22363 * config/tahoe/tahoe.h: Ditto.
22364 * config/we32k/we32k.h: Ditto.
22366 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
22367 based on arch size.
22369 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
22371 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
22374 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
22376 1999-08-02 Richard Henderson <rth@cygnus.com>
22378 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
22379 for the register spill block.
22380 (m32r_va_arg): New.
22381 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
22382 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
22384 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
22385 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
22386 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
22388 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22390 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
22391 MAX_WCHAR_TYPE defined in sparc.h.
22392 * config/sparc/linuxaout.h: Likewise.
22393 * config/sparc/linux64.h: Likewise.
22394 Also default to -mvis if CPU is UltraSPARC.
22396 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22398 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
22399 (RTX_OK_FOR_OLO10): Likewise.
22400 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
22401 %lo(), allow it in addresses...
22402 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
22403 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
22404 does not make sense.
22405 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
22406 (sparc_output_scratch_registers): New function.
22407 (output_function_prologue, sparc_flat_output_function_prologue): Use
22409 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
22411 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
22412 * configure.in: Add check for .register pseudo-op support in as and
22413 check for offsetable %lo().
22414 * acconfig.h: Add templates for the above checks.
22415 * configure: Regenerate.
22417 1999-08-02 Richard Henderson <rth@cygnus.com>
22419 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
22420 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
22421 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
22423 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22425 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22428 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
22430 * config/float-sparc.h: New file.
22431 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
22432 sparc-*-linux-gnu and sparc64-*-linux*.
22434 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22436 * rs6000.c (rs6000_va_list): Type is an array.
22437 (rs6000_va_start): Don't doubly adjust for varargs.
22438 (rs6000_va_arg): Evaluate long long GPR adjustment.
22440 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
22442 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
22443 -maix64 and -maix32.
22444 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
22445 LINK_SPEC): Change appropriately.
22446 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
22447 (u_short_cint_operand): Likewise.
22448 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
22450 * rs6000/t-aix43 (MULTILIB): Change to -m64.
22452 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
22454 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
22456 * rs6000/rs6000.c (num_insns_constant_wide): Correct
22457 for type promotion.
22458 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
22459 (non_add_cint_operand): Likewise.
22460 (logical_operand): Likewise.
22461 (non_logical_cint_operand): Likewise.
22462 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
22463 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
22464 (rs6000_select_rtx_section): Suppress warning.
22465 (small_data_operand): Suppress warning.
22466 (rs6000_got_register): Suppress warning.
22467 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
22468 type, so `J' is generally the wrong constraint for a SImode value;
22470 (andsi3_internal2): Likewise.
22471 (andsi3_internal3): Likewise.
22472 (iorsi3_internal1): Likewise.
22473 (xorsi3_internal1): Likewise.
22475 (movsf_softfloat): Likewise.
22476 (scc insns): Likewise.
22477 (movsi+2): Preserve sign bits of SImode constant.
22478 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
22479 (movdf+1): Sign-extend properly.
22480 (movdi_32+1): Sign-extend properly.
22481 (scc insns): Sign-extend properly.
22483 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
22486 1999-08-02 Richard Henderson <rth@cygnus.com>
22488 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
22489 -mcpu parsing code.
22490 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
22491 * alpha.md (all fp insns): Likewise.
22493 1999-08-02 Nick Clifton <nickc@cygnus.com>
22495 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
22498 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
22500 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
22501 pic_load_label generator directly.
22502 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
22503 No longer a named pattern.
22505 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
22507 * explow.c (force_reg): Call force_operand if X does not
22508 satisfy general_operand.
22510 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
22512 * fix-header.c (main): When testing for CONTINUED, use string
22513 equality, not pointer equality.
22515 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
22517 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
22519 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
22521 * cse.c (cse_insn): Fix loop which deletes insns after a jump
22522 that has become an unconditional jump.
22524 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
22525 (output_function_epilogue): Similarly.
22527 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22529 * tree.h (init_dummy_function_start): Declare.
22531 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22533 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
22534 last_expr_type, last_expr_value, block_start_count, block_stack,
22535 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
22536 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
22537 dynamically in stmt elt of struct function for each function.
22538 (struct nesting): Rename function_call_count elt to n_function_calls,
22539 target_temp_slot_level to block_target_temp_slot_level. All users
22541 (struct stmt_status): New structure definition.
22542 Add many accessor macros for stmt_status elements which previously
22543 were global variables.
22544 (init_stmt_for_function): Allocate stmt elt for current_function.
22545 Reflect that block_start_count was renamed to
22546 current_block_start_count.
22547 (save_stmt_status, restore_stmt_status): Delete functions.
22548 (preserve_subexpressions_p): Don't access loop_stack when outside
22550 (expand_start_bindings): Reflect that block_start_count was renamed to
22551 current_block_start_count.
22552 (expand_fixup): Likewise.
22553 (expand_decl): Don't access block_stack when outside a function.
22554 (expand_decl_cleanup): Likewise.
22555 (expand_dcc_cleanup): Likewise.
22556 (expand_dhc_cleanup): Likewise.
22557 (expand_anon_union_decl): Likewise.
22558 (set_file_and_line_for_stmt): New function.
22559 (in_control_zone_p): New function.
22561 * function.h (struct function): Add new elt stmt.
22562 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
22563 case_stack, nesting_stack, nesting_depth, block_start_count,
22564 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
22565 emit_lineno, goto_fixup_chain.
22566 (save_eh_status, restore_eh_status, save_stmt_status,
22567 restore_stmt_status): Delete declarations.
22568 * function.c (push_function_context_to): Don't call save_stmt_status.
22569 (pop_function_context_to): Don't call restore_stmt_status.
22570 * tree.h (in_control_zone_p): Declare.
22571 * rtl.h (set_file_and_line_for_stmt): Declare.
22573 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
22574 call set_file_and_line_for_stmt.
22576 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
22578 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
22579 Also update copyright.
22581 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22583 * c-pragma.c: Don't include "except.h".
22584 * emit-rtl.c: Likewise.
22585 * stor-layout.c: Likewise.
22586 * tree.c: Likewise.
22587 * varasm.c: Likewise.
22589 * flow.c: Include "function.h".
22590 * tree.h (init_dummy_function_start): Declare new function.
22592 * except.h (struct eh_status): New structure.
22593 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
22595 (eh_return_stub_label, ehstack, catchstack, ehqueue,
22596 catch_clauses, false_label_stack, caught_return_label_stack,
22597 protect_list, current_function_ehc): Add accessor macros for the
22598 corresponding fields in current_function->eh; delete declarations
22599 for all items that used to be declared here.
22600 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
22601 catch_clauses, false_label_stack, caught_return_label_stack,
22602 protect_list, current_function_ehc): Delete variables.
22603 (init_eh_for_function): Allocate current_function->eh.
22604 (save_eh_status, restore_eh_status): Delete functions.
22606 * function.h (struct function): Add fields next_global and eh.
22607 Delete all exception handling related fields.
22608 * function.c (current_function): New variable.
22609 (all_functions): New variable.
22610 (push_function_context_to): Don't allocate a struct function,
22611 use current_function instead. Call init_dummy_function_start when
22612 outside a function. Clear current_function before returning.
22613 (pop_function_context_from): Restore current_function.
22614 Don't free the restored struct function.
22615 (prepare_function_start): New function.
22616 (init_dummy_function_start): New function.
22617 (init_function_start): Break out some code into prepare_function_start
22620 * stmt.c (save_stmt_status): Don't call save_eh_status.
22621 (restore_stmt_status): Don't call restore_eh_status.
22623 * Makefile.in: Update dependencies.
22625 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
22627 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
22628 of depending on a magic constant value. Update comments.
22629 (hppa_expand_prologue): Similarly.
22631 * pa.md (reload_indi, reload_outdi): Allow any register for the
22632 original reload register.
22634 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
22636 * cccp.c (print_help): Change marcos to macros.
22638 1999-07-30 Richard Henderson <rth@cygnus.com>
22640 * c-typeck.c (initializer_constant_valid_p): Move ...
22641 * c-common.c (initializer_constant_valid_p): ... here. Use
22642 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
22643 of label addresses.
22644 * c-common.h (initializer_constant_valid_p): Declare.
22645 * c-tree.h (initializer_constant_valid_p): Remove.
22647 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
22649 * config/i386/sol2-c1.asm: Align the stack.
22650 * config/i386/sol2-gc1.asm: Likewise.
22652 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
22654 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
22655 -Asparclite for sparc86x.
22656 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
22658 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
22660 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
22662 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
22663 the user if using the non-default arch size in BI_ARCH configuration.
22664 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
22666 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
22667 Fix patterns so that they actually match.
22668 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
22669 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
22670 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
22672 (mulsidi3): Reflect this in the expand.
22673 (smulsi3_highpart): Only on TARGET_ARCH32.
22674 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
22675 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
22676 (umulsidi3): Reflect this in the expand.
22677 (umulsi3_highpart): Only on TARGET_ARCH32.
22678 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
22679 don't require g0 to be zero.
22680 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
22681 ({,u}divsi3): New expands.
22682 ({,u}divsi3_sp64): New patterns.
22683 (after lshrdi3_v8plus): Four new patterns to help combiner
22684 optimizing nested mixed mode shifts.
22686 * config/sparc/sparc.c (sparc_override_options): Use deprecated
22687 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
22688 speed things up. Don't use them by default on plain v9 in 64bit
22689 mode, according to what SPAMv9 sais.
22691 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
22692 top 32 bits of %[og][0-7] in signal handlers.
22693 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
22695 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
22697 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
22698 (ashlsi3): Corresponding changes.
22700 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
22702 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
22704 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
22706 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22708 * arm.h (Hint): Delete macro.
22709 Substitute HOST_WIDE_INT for Hint in some prototypes.
22710 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
22712 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
22714 * builtins.c (expand_builtin_setjmp): Use force_operand to
22715 make sure that the buffer address is in a suitable form to be
22716 passed to force_reg.
22718 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
22720 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
22723 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
22725 * pa.md (indirect_jump): Remove mode from match_operand. Verify
22726 proper mode in the condition string.
22727 (icacheflush, dcacheflush): Remove modes from match_operands.
22729 * pa.c (emit_move_sequence): Always convert scratch_reg to the
22730 proper mode before using it.
22732 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
22735 * pa.c (store_reg): Do not call add_high_const generator directly.
22736 (load_reg, set_reg_plus_d): Likewise.
22737 * pa.md (add_high_const): No longer a named pattern.
22739 * pa.c (legitimize_address): Consistently use Pmode rather than
22740 SImode. Do not call gen_pic2_highpart directly anymore.
22741 * pa.md (pic2_highpart): No longer a named pattern.
22742 (pic2_lo_sum): Similarly. Reformat to make more readable.
22744 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
22749 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22751 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
22753 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
22755 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
22756 and tag the spill mems.
22757 (hppa_va_start): New.
22758 (hppa_va_arg): New.
22759 * pa.h (EXPAND_BUILTIN_VA_START): New.
22760 (EXPAND_BUILTIN_VA_ARG): New.
22762 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
22764 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
22765 and tag the spill mems.
22766 (mn10300_va_start): New.
22767 (mn10300_va_arg): New.
22768 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
22769 (EXPAND_BUILTIN_VA_ARG): New.
22771 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
22773 * mn10200.c (mn10200_va_arg): New.
22774 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
22776 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
22778 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
22779 rather than play with TREE_INT_CST_LOW.
22781 1999-07-27 Philip Blundell <pb@nexus.co.uk>
22783 * config/arm/telf.h: Include dbxelf.h.
22784 (CPP_PREDEFINES): Only define if not already defined.
22785 (ASM_IDENTIFY_GCC): Likewise.
22786 (SUBTARGET_EXTRA_SECTIONS): Likewise.
22787 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
22788 * config/arm/thumb.h (LINK_SPEC): Only define if not already
22790 (DBX_DEBUGGING_INFO): Don't define.
22791 * config/arm/linux-telf.h: New file.
22792 * config/arm/linux-tgas.h: New file.
22793 * config/arm/t-thumb-linux: New file.
22794 * config/arm/uclinux-elf.h: New file.
22795 * config/arm/uclinux-telf.h: New file.
22796 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
22797 thumb-*-uclinux): New targets.
22798 * configure: Regenerate.
22800 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
22802 * pa.md (post_store, pre_load): New expanders.
22803 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
22804 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
22805 need to directly generate RTL for them.
22806 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
22809 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
22811 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
22812 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
22813 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
22814 (secndary_reload_class): Make TARGET_ELF conditional compile.
22815 (print_operand_address): Similar.
22816 (output_toc): Print all values as hex.
22817 (get_issue_rate): Rearrange and add RS64A and PPC630.
22818 * rs6000.h (processor_type): Add RS64A and PPC630.
22819 (PROCESSOR_POWERPC64): New.
22820 (PROMOTE_MODE): Use word_mode.
22821 (RTX_COSTS): Add RS64A and PPC630.
22822 * rs6000.md (scheduling information): Add lmul and ldiv
22823 representing 64-bit integer multiply and divide. Add rs64a and
22824 PPC630 information.
22825 (ashldi3): Add support for "rldic" instruction.
22826 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
22828 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
22830 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
22831 instead of V8 for sparclite86x in cpu_table.
22833 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22835 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
22836 output_file_directive.
22838 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
22840 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
22841 tree for op1, not the rtl.
22843 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
22845 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
22846 to m88k_va_start, leaving only the register spill.
22847 (m88k_build_va_list): New.
22848 (m88k_va_start): New.
22849 (m88k_va_arg): New.
22850 * m88k.h (BUILD_VA_LIST_TYPE): New.
22851 (EXPAND_BUILTIN_VA_START): New.
22852 (EXPAND_BUILTIN_VA_ARG): New.
22854 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
22856 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
22857 Rename from expand_builtin_saveregs.
22858 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
22860 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
22862 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
22863 for the register spill block.
22864 (i960_build_va_list): New.
22865 (i960_va_start): New.
22866 (i960_va_arg): New.
22867 * i960.h (BUILD_VA_LIST_TYPE): New.
22868 (EXPAND_BUILTIN_VA_START): New.
22869 (EXPAND_BUILTIN_VA_ARG): New.
22870 * i960.md (store_multiple): Use change_address on individul mems.
22872 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
22874 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
22876 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
22877 (expand_builtin_va_end): Evaluate arg for side effects.
22878 * c-common.c (c_common_nodes_and_builtins): Construct a
22879 va_list_arg_type_node to handle array decomposition to pointer.
22881 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
22883 * except.c (st_dynamic_cleanup): Use force_operand on the
22886 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
22888 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
22889 * c4x.c (c4x_va_arg): New.
22891 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
22893 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
22894 has manual_pop set.
22896 1999-07-26 Nathan Sidwell <nathan@acm.org>
22898 * eh-common.h (__eh_matcher): Prototype correctly.
22900 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
22902 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
22903 (TARGET_SINGLE_PIC_BASE): Likewise.
22904 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
22906 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
22907 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
22908 (TARGET_OPTIONS): Add -mpic-register=N.
22909 (OUTPUT_INT_ADDR_CONST): New macro.
22910 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
22911 LEGITIMATE_PIC_OPERAND_P): Likewise.
22912 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
22913 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
22914 output_addr_const directly.
22915 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
22917 (thumb_pic_register, thumb_pic_register_string): Declare.
22919 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
22921 (label_mentioned_p): New function: Imported from arm.c.
22922 (legitimize_pic_address): New function: Imported from arm.c.
22923 (is_pic):New function: Imported from arm.c.
22924 (thumb_finalize_pic):New function: Imported from arm.c.
22925 (add_constant): Cope with PIC constants.
22926 (fixit): Cope with PIC constants.
22927 (output_return): Do not treat the PIC register as live if
22928 TARGET_SINGLE_PIC_BASE is true.
22929 (thumb_function_prologue): Do not treat the PIC register as live if
22930 TARGET_SINGLE_PIC_BASE is true.
22931 (thumb_expand_prologue): Do not treat the PIC register as live if
22932 TARGET_SINGLE_PIC_BASE is true.
22933 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
22934 TARGET_SINGLE_PIC_BASE is true.
22935 (thumb_print_operand): Accept '|'.
22936 (thumb_override_options): Process PIC options.
22938 * config/arm/thumb.md (movsi): Support PIC.
22939 (call_insn): Change "i" constraint to "X".
22940 (call_value_insn): Likewise.
22941 (consttable_4, consttable_8, consttable_end): Set and clear
22942 "making_const_table" as appropriate.
22943 (pic_load_addr, pic_add_dot_plus_four): New insns.
22945 * invoke.texi (Thumb Options): Fix spelling. Document new
22946 options -msingle-pic-base and -mpic-register=.
22948 1999-07-26 Andrew Haley <aph@cygnus.com>
22950 * config/m32r/initfini.c (__init): Use a full word immediate for
22951 __fini: this allows it to be placed in any memory region.
22953 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
22954 -mmodel=medium. This is OK for all memory models.
22956 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
22958 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
22959 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
22961 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
22963 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
22966 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
22968 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
22970 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
22971 (BUILD_VA_LIST_TYPE): New.
22972 (EXPAND_BUILTIN_VA_START): New.
22973 (EXPAND_BUILTIN_VA_ARG): New.
22974 * i860.c (output_delayed_branch): Disable.
22975 (output_delay_insn): Likewise.
22976 (i860_saveregs): New.
22977 (i860_build_va_list): New.
22978 (i860_va_start): New.
22979 (i860_va_arg): New.
22980 * i860.md: Disable all peepholes using output_delayed_branch.
22981 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
22983 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
22985 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
22986 (BUILD_VA_LIST_TYPE): New.
22987 (EXPAND_BUILTIN_VA_START): New.
22988 (EXPAND_BUILTIN_VA_ARG): New.
22989 * clipper.c (clipper_builtin_saveregs): Only dump registers.
22990 Return the address of the save area.
22991 (clipper_build_va_list): New.
22992 (clipper_va_start): New.
22993 (clipper_va_arg): New.
22995 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
22997 * arc.h (EXPAND_BUILTIN_VA_START): New.
22998 (EXPAND_BUILTIN_VA_ARG): New.
22999 * arc.c (arc_setup_incoming_varargs): Set alias set of
23001 (arc_va_start): New.
23004 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
23006 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
23007 (BUILD_VA_LIST_TYPE): New.
23008 (EXPAND_BUILTIN_VA_START): New.
23009 (EXPAND_BUILTIN_VA_ARG): New.
23010 * alpha.c (alpha_builtin_saveregs): Delete.
23011 (alpha_build_va_list): New.
23012 (alpha_va_start): New.
23013 (alpha_va_arg): New.
23015 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
23017 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
23019 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
23020 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
23022 * gcc.texi: More changes related to list conversion.
23023 * invoke.texi: Likewise.
23025 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
23027 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
23028 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
23029 (expand_builtin_next_arg): Accept ARGLIST not EXP.
23030 (stabilize_va_list): New function.
23031 (std_expand_builtin_va_start): New function.
23032 (expand_builtin_va_start): New function.
23033 (get_varargs_alias_set): New function.
23034 (std_expand_builtin_va_arg): New function.
23035 (expand_builtin_va_arg): New function.
23036 (expand_builtin_va_end): New function.
23037 (expand_builtin_va_copy): New function.
23038 (expand_builtin): Call them.
23039 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
23040 __builtin_{varargs_start,stdarg_start,end,copy}.
23041 (build_va_arg): New function.
23042 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
23043 (build_va_arg): Declare.
23044 * c-decl.c (ptr_type_node, va_list_type_node): New.
23045 * c-parse.gperf (__builtin_va_arg): New.
23046 * c-parse.in (VA_ARG): New token.
23047 (unary_expr): Recognize it.
23048 * expr.c (expand_expr): Expand VA_ARG_EXPR.
23049 * expr.h (std_expand_builtin_va_start): Declare.
23050 (std_expand_builtin_va_arg): Declare.
23051 (expand_builtin_va_arg): Declare.
23052 (get_varargs_alias_set): Declare.
23053 * tree.def (VA_ARG_EXPR): New.
23054 * tree.h (BUILT_IN_VARARGS_START): New.
23055 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
23056 (ptr_type_node, va_list_type_node): Declare.
23057 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
23058 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
23059 * m88k.h, m88k.c: Likewise.
23060 * mn10300.h, mn10300.c: Likewise.
23061 * pa.h, pa.c: Likewise.
23062 * rs6000.h, rs6000.c: Likewise.
23063 * sh.h, sh.c: Likewise.
23064 * sparc.h, sparc.c: Likewise.
23066 * emit-rtl.c (operand_subword): Copy alias set.
23067 (change_address): Likewise.
23069 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
23071 * pa.c (compute_frame_size): Scan all the used callee saved registers,
23072 not just the first one.
23074 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
23076 * config/arm/arm.h (TARGET_SWITCHES): Add
23077 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
23078 (TARGET_OPTIONS): Add -mpic-register=.
23079 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
23080 (arm_pic_register_string): Declare.
23081 (NEED_PLT_GOT): Delete, replace with ...
23082 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
23083 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
23084 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
23085 * config/arm/arm.c (arm_override_options): Add new option
23087 (arm_pic_register_string): New variable.
23088 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
23089 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
23090 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
23091 (output_return_instruction): Likewise.
23092 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
23093 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
23094 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
23096 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
23097 mention of -msched-prolog. Document new options -msingle-pic-base
23098 and -mpic-register=.
23100 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
23102 * haifa-sched.c (reemit_notes): Tidy.
23103 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
23106 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
23108 * explow.c (trunc_int_for_mode): New function.
23109 (plus_constant_wide): Use it.
23110 * combine.c (simplify_and_const_int): Likewise.
23111 (merge_outer_ops): Likewise.
23112 (simplify_shift_const): Likewise.
23113 * cse.c (simplify_unary_operation): Likewise.
23114 (simplify_binary_operation): Likewise.
23115 * emit-rtl.c (operand_subword): Likewise.
23116 * rtl.h: Declare it.
23118 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23120 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
23121 (use NUM_REGS instead of NUM_INTS).
23123 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23125 * builtins.c: New file.
23126 * expr.c (saveregs_value, apply_args_value): Delete definition,
23127 moved into builtins.c.
23128 (string_constant): No longer static.
23129 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
23130 apply_args_size, apply_result_size, result_vector,
23131 expand_builtin_apply_args, expand_builtin_apply,
23132 expand_builtin_return): Delete functions, moved into builtins.c.
23133 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
23134 * expr.h (saveregs_value, apply_args_value): Declare variables.
23135 (expand_builtin, string_constant): Declare functions.
23136 * Makefile.in: Update to build builtin.o.
23138 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
23140 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
23141 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
23142 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
23143 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
23145 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
23148 1999-07-21 Michael Meissner <meissner@cygnus.com>
23150 * print-rtl.c (print_rtx): Print the names of the virtual
23153 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
23155 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
23156 introduced in previous delta.
23158 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23160 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
23161 to avoid name clash.
23163 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
23165 * c-lex.c (yylex) : Correct the test for overflow when lexing
23168 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
23170 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
23171 (adjust_priority): Always call ADJUST_PRIORITY.
23172 (schedule_insn): Only put insns into the ready at cost 0.
23173 (schedule_block): Remove redundant initial sort. Give clock_var
23174 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
23176 * tm.texi (MD_SCHED_REORDER): Update docs.
23178 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
23179 * sparc.c (ultra_reorder_called_this_block): Delete.
23180 (ultrasparc_sched_init): Don't set it.
23181 (ultrasparc_sched_reorder): Don't check it.
23183 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
23185 * rs6000.h (struct rs6000_args): Add sysv_gregno.
23186 * rs6000.c (init_cumulative_args): Init sysv_gregno.
23187 (function_arg_boundary): Align DFmode.
23188 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
23189 to get fp reg and stack overflow correct.
23190 (function_arg): Likewise.
23191 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
23192 (setup_incoming_varargs): Restructure for ABI_V4; use
23193 function_arg_advance to skip final named argument.
23194 (expand_builtin_saveregs): Properly unskip the last integer arg
23195 when doing varargs. Adjust overflow location calculation.
23197 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
23198 explicitly unsigned.
23199 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
23200 (__VA_GP_REGSAVE): Similarly.
23201 (__va_longlong_p): Delete.
23202 (__va_arg_type_violation): New declaration.
23203 (va_arg): Restructure. Flag promotion errors. Align double.
23204 TFmode passed by reference.
23206 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
23207 in the HOST_BITS_PER_WIDE_INT > 32 case.
23209 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
23211 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
23213 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
23215 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
23216 * toplev.c (documented_lang_options): Add -fpreprocessed.
23217 * cpplib.h (struct cpp_buffer): Add preprocessed.
23218 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
23219 (cpp_start_read): Don't expand macros or emit an initial #line
23220 directive if -fpreprocessed.
23222 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23224 * cpplib.h (struct cpp_buffer): Added manual_pop for
23225 better C++ tokenization.
23226 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
23227 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
23228 * c-common.c (cpp_token): Make non-static.
23230 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23232 * c-common.h: New file.
23233 * c-common.c (permanent_obstack): Delete unused declaration.
23234 (c_global_trees): New array.
23235 (c_common_nodes_and_builtins): New function; split off common code
23236 from init_decl_processing in both c-decl.c and cp/decl.c.
23237 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
23238 c_global_trees and accessor macros defined in c-common.h.
23239 Include c-common.h.
23240 * c-decl.c: Delete definitions for tree nodes that were replaced by
23242 (init_decl_processing): Build void_list_node.
23243 Call c_common_nodes_and_builtins; delete code to generate the common
23245 * objc/objc-act.c (build_module_descriptor): Rename variable
23246 void_list_node to avoid clash with c-common.h.
23248 * Makefile.in: Update dependencies.
23249 * objc/Make-lang.in: Likewise.
23251 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
23253 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
23254 (UNIQUE_SECTION_P): Likewise.
23255 (UNIQUE_SECTION): Likewise.
23257 1999-07-19 Linas Vepstas <linas@linas.org>
23259 * config/i370/README: New file.
23260 * config/i370/linux.h: New file.
23261 * config/i370/mvs.h: New file.
23262 * config/i370/oe.h: New file.
23263 * config/i370/t-linux: New file.
23264 * config/i370/t-mvs: New file.
23265 * config/i370/t-oe: New file.
23266 * config/i370/x-oe: New file.
23267 * config/i370/xm-linux.h: New file.
23268 * config/i370/xm-mvs.h: New file.
23269 * config/i370/xm-oe.h: New file.
23271 * i370.c (label_node_t): Add first_ref_page, label_addr,
23272 label_first_ref, label_last_ref members.
23273 (mvs_need_base_reload): Renamed from mvs_label_emitted.
23274 (MAX_MVS_LABEL_SIZE): Define.
23275 (MAX_LONG_LABEL_SIZE): Define.
23276 (alias_node_t, alias_anchor, alias_number): New.
23277 (mvs_function_table): Reorder for EBCDIC.
23278 (ascebc, ebcasc): Unconditionally define.
23279 (i370_branch_dest, i370_branch_length): New functions.
23280 (i370_short_branch, i370_label_scan): New functions.
23281 (mvs_get_label): Renamed from mvs_add_label. Search for
23282 an existing label before creating a new one.
23283 (mvs_add_label): New function.
23284 (mvs_get_label_page): New function.
23285 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
23286 over the entire list.
23287 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
23288 (mvs_check_page) [TARGET_ELF_ABI]: New function.
23289 (mvs_add_alias, mvs_need_alias): New functions.
23290 (mvs_get_alias, mvs_check_alias): New functions.
23291 (handle_pragma): New function.
23292 (mvs_function_check): New function.
23293 (unsigned_jump_follows_p): Search harder.
23294 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
23295 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
23296 * i370.h (TARGET_VERSION): Delete.
23297 (CPP_SPEC, CPP_PREDEFINES): Delete.
23298 (mvs_label_emitted): Delete.
23299 (TARGET_EBCDIC): Delete.
23300 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
23301 (HANDLE_PRAGMA): Define.
23302 (HARD_REGNO_NREGS): Handle complex modes.
23303 (HARD_REGNO_MODE_OK): Likewise.
23304 (CLASS_MAX_NREGS): Likewise.
23305 (RET_REG): Likewise.
23306 (EXTRA_CONSTRAINT): Define.
23307 (RETURN_IN_MEMORY): True for DImode.
23308 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
23309 (FUNCTION_PROFILER): Delete.
23310 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
23311 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
23312 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
23313 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
23314 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
23315 (ASM_FILE_START): Add "RMODE ANY".
23316 (ASM_OUTPUT_EXTERNAL): Check for aliases.
23317 (ASM_GLOBALIZE_LABEL): Likewise.
23318 (ASM_OUTPUT_LABELREF): Likewise.
23319 (ASM_OUTPUT_COMMON): Likewise.
23320 (PRINT_OPERAND): Handle 'K', 'W', default.
23321 (PRINT_OPERAND_ADDRESS): New.
23322 (Lots of defines): Add support for TARGET_ELF_ABI.
23323 * i370.md (attr length): New. Define for all patterns.
23324 (*): Lots of tweeks to assembly output and constraints.
23326 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
23328 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
23329 Disable patterns performing SImode comparisons with SImode values
23330 if TARGET_POWERPC64 and instruction does not sign-extend or does
23331 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
23332 differ for signed quantities.
23333 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
23334 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
23335 (decrement_and_branch_on_count): Add 64-bit variant.
23337 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23339 * final.c (output_asm_insn): When searching for the matching string
23340 for a given dialect, don't run past the end of the list of
23341 alternatives if there are fewer alternatives in the template than
23344 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
23346 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
23347 Removed paragraph about compression of files and size limitation,
23348 duplicated in the FAQ. Use gcc-patches for posting patches.
23349 * gcc.c (main): Updated URL with bug reporting instructions to
23350 gcc.gnu.org. Removed e-mail address.
23351 * system.h (abort): Likewise.
23353 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23355 * Makefile.in (stmp-multilib-sub): Make the files extracted
23356 from $(LIBGCC1) writable.
23358 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
23360 * config/arm/aout.h: Reformat for improved readability.
23362 * config/arm/arm.h: Reformat for improved readability.
23363 Replace uses of fprintf with asm_fprintf where appropriate.
23364 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
23365 function declaration assembler actions.
23366 (NUM_INTS): New macro: Convert from bytes to words.
23367 (NUM_REGS): New macro: Compute number of registers required to
23368 hold a quanitity of tyep MODE.
23369 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
23371 (NUM_ARG_REGS): New macro: The number of argument registers
23373 (ARG_REGISTER): New macro: Compute the register number of the Nth
23375 (LAST_ARG_REGNUM): New macro: The number of the last argument
23377 (SP_REGNUM): New macro: Register number of the stack pointer.
23378 (FP_REGNUM): New macro: Register number of the frame pointer.
23379 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
23380 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
23381 CUMULATIVE_ARGS so that it counts registers not bytes.
23383 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
23385 Replace uses of fprintf with asm_fprintf where appropriate.
23386 (output_ascii_pseudo_op): Replace with version from thumb.c
23388 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
23390 * config/arm/elf.h (CPP_PREDEFINES): Replace with
23391 SUBTARGET_CPP_SPEC.
23392 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
23393 (ASM_FILE_START): Emit ASM_APP_OFF.
23395 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
23397 * pa.c (compute_frame_size): Round frame according to
23398 STACK_BOUNDARY rather than a hardwired value.
23400 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
23402 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
23404 * configure: Rebuilt.
23406 * configure.in (hppa*-*-linux*): New configuration.
23407 * configure: Rebuilt.
23408 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
23409 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
23410 * pa/pa-linux.h: New file.
23411 * pa/t-linux: New file.
23412 * pa/xm-linux.h: New file.
23414 * pa.c (hppa_legitimize_address): Change references from SImode to
23415 either Pmode or word_mode as appropriate.
23416 (emit_move_sequence, store_reg, load_reg): Likewise.
23417 (set_reg_plus_d, hppa_expand_prologue): Likewise.
23418 (output_mul_insn): Likewise.
23419 * pa.h (PROMOTE_MODE): Likewise.
23420 (INITIALZE_TRAMPOLINE): Likewise.
23421 (Pmode): Define to word_mode.
23423 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
23424 value of 4. Allocate 8 bytes for each FP register save.
23425 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
23427 (hppa_expand_prologue): Likewise.
23428 * pa.h (PROMOTE_MODE): Likewise.
23429 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
23430 (FUNCTION_ARG_BOUNDARY): Likewise.
23432 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
23434 * pa.c (out_of_line_prologue_epilogue): Delete.
23435 (override_options): Remove -mspace related code.
23436 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
23437 (compute_frame_size): Only allocate space for register that
23438 actually need to be saved.
23439 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
23440 (TARGET_SWITCHES): Remove -mspace, -mno-space
23441 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
23442 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
23443 * pa/ee.asm, pa/ee_fp.asm: Delete.
23445 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
23447 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
23448 directive in column zero.
23450 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
23452 * m68k.c (output_function_prologue): Fix computation of save mask
23453 when generating PIC code.
23455 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
23457 * tree.c (build_type_attribute_variant): Move current_obstack restore
23458 after build_qualified_type call.
23460 1999-07-15 Mark Mitchell <mark@codesourcery.com>
23462 * configure.in: Use t-iris6, even with GNU LD.
23463 * config/mips/iris6gld.h: Fix typo in linker spec.
23464 * config/mips/t-iris6gld: Remove.
23466 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
23468 * rs6000.md (insv, extzv): Remove SImode dependence in named
23469 patterns. Explicitly generate DImode RTL if PowerPC64 and
23471 (insvdi): Reverse start and size in instruction template.
23473 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
23475 * invoke.texi: Typo fixes.
23477 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
23479 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
23480 handle at this time instead of silently generating incorrect code.
23481 (gen_imagpart): Likewise.
23483 * reload.c (find_reloads): Emit a USE for a pseudo register without
23484 a hard register if we could not create an optional reload for the
23487 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23489 * c-typeck.c (output_init_element, process_init_element):
23490 When advancing constructor_unfilled_fields for a RECORD_TYPE,
23491 check for nameless bit fields.
23493 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
23495 * regclass.c (scan_one_insn): Notice subregs that change the
23496 size of their operand.
23497 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
23499 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
23501 * configure.in (alpha*-*-*): Include alpha/t-ieee.
23502 * configure: Rebuilt.
23503 * alpha/t-ieee: New file.
23505 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
23507 * rs6000.c (find_addr_reg): Do not select r0 as an address
23510 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
23512 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
23514 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
23516 * rs6000.md (movsf): Do not force easy FP constants into memory.
23518 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
23519 immed_double_const to ensure they are properly truncated then
23522 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
23524 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
23525 always unless NO_DEBUG is used. Compile this code
23527 (replace_symbols_in_block): Compile it unconditionally.
23529 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
23531 * configure.in (i?86-*-elf*): New target.
23532 * configure: Rebuilt.
23533 * i386/i386elf.h, i386/t-i386elf: New files.
23535 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23537 * toplev.c (main): Don't complain about saying -gdwarf.
23538 (rest_of_compilation): Remove redundant code.
23540 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
23542 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
23544 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
23546 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
23547 "Li960R:", to avoid name clash.
23549 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23551 * loop.c (check_dbra_loop): When reversing a loop, delete all
23552 REG_EQUAL notes referencing the reversed biv except those which are
23553 for a giv based on it.
23555 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
23557 * version.c: Drop "gcc-" prefix from version #.
23559 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
23561 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
23562 the label if we're being verbose.
23564 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
23566 * m68k.c (output_function_prologue): Add pic register to mask
23567 if live and flag_pic.
23568 (output_function_epilogue): Likewise.
23570 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
23572 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
23573 directives in column zero.
23575 * pa/elf.h (ASM_FILE_START): Define.
23576 * pa/som.h (ASM_FILE_START): Include .level directives.
23577 * pa/hpux10.h (ASM_FILE_START): Delete.
23578 * pa/hpux11.h (ASM_FILE_START): Delete.
23580 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
23582 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23584 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
23585 when reload_out equals reload_in.
23587 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
23589 * invoke.texi (Spec Files): New node: Describe the contents of
23592 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
23594 * invoke.texi (DEC Alpha Options): Put @end table at
23595 beginning of line, to avoid confusing texi2html.
23597 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
23599 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
23600 introduced in previous delta.
23602 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23604 * reload1.c (gen_reload): When synthesizing a 3 operand add
23605 sequence, improve test for when to reload OP1 into the reload
23606 register instead of OP0.
23608 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
23610 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
23612 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
23614 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
23617 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
23619 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
23620 (va_dcl): Use __builtin_va_alist_t.
23622 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
23624 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
23625 on the permanent_obstack.
23626 * dwarfout.c (output_type): Likewise.
23628 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
23630 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23631 Merged from c-typeck.c and cp/typeck.c.
23632 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23633 Merged into c-common.
23635 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
23637 * c-lex.c (errorcount): Declare it.
23638 (finish_parse): Update errorcount when using CPPLIB.
23640 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
23642 * fixinc/inclhack.def(end_else_label): Double the backslash so
23643 sed gets a chance to see it.
23644 * fixinc/inclhack.sh: regen
23645 * fixinc/fixincl.x: regen
23647 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
23649 Add framework to support armv5 architecture when it becomes
23652 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
23653 (arm_arch5): New variable.
23654 (all_architectures): Add armv5 line.
23655 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
23656 -march=armv5 is specified on the command line.
23657 (arm_arch5): Export this variable.
23658 * invoke.texi: Document new string accepted by -march= switch for
23661 * config/arm/arm.h: Replace use of constant 12 as a register
23662 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23663 * config/arm/arm.c: Replace use of constant 12 as a register
23664 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
23666 * config/arm/elf.h: Tidy up.
23667 * config/arm/coff.h: Tidy up.
23669 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
23671 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
23672 * gcc/config/mips/t-iris6gld: New file.
23673 * gcc/config/mips/iris6gld.h: Likewise.
23675 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
23677 * c-decl.c (widest_integer_literal_type_node,
23678 widest_unsigned_literal_type) : New.
23679 (init_decl_processing): Handle/use the two new types.
23680 * c-common.c (type_for_size,type_for_mode) : Same.
23681 * c-lex.c (yylex) : Same.
23682 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
23684 * c-tree.h (widest_integer_literal_type_node,
23685 widest_unsigned_literal_type) : New.
23687 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
23689 * dwarfout.c (field_byte_offset): Correctly compute the object's
23690 byte offset for the first bit of a field which crosses an alignment
23691 boundary on a !BYTES_BIG_ENDIAN target.
23693 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
23695 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
23698 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
23699 Jeff Law <law@cygnus.com>
23701 * ginclude/varargs.h (va_dcl): Use word_mode for type of
23704 * except.c: Include intl.h.
23705 (expand_eh_return): Set current_function_cannot_inline.
23706 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
23707 * function.h (struct function): Add eh_return_stub_label.
23708 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
23709 * Makefile.in (except.o): Depend on intl.h.
23711 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
23713 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
23714 same as offsettable in cases 1 and 2.
23716 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
23718 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
23719 (extlh, extwh): Likewise.
23721 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
23723 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
23725 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
23727 * configure.in: Add arm-pe and thumb-pe targets.
23728 * configure: Regenerate.
23730 * thumb.c (arm_naked_function_p): New function: Determines if
23731 a function is naked (has no gcc generated prologue/epilogue).
23732 (is_called_in_ARM_mode): Return true if the func has the
23733 interfacearm attribute.
23734 (output_return): Do not generate a return for naked functions.
23735 (thumb_function_prologue): Do not generate a prologue for
23737 (thumb_expand_prologue): Do not generate a prologue for naked
23739 (thumb_expand_epilogue): Do not generate an epilogue for naked
23741 (arm_valid_machine_decl_attribute): New function, copied from
23742 arm.c: Permit naked and interfacearm attributes.
23744 * config/arm/pe.c: New file: Support code for arm-pe target.
23745 * config/arm/pe.h: New file: Header file for arm-pe target.
23746 * config/arm/tpe.h: New file: Header file for thumb-pe target.
23747 * config/arm/t-thumb-pe: New file: Makefile fragment for
23750 1999-07-01 Mark Kettenis <kettenis@gnu.org>
23752 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
23753 -fPIC or -fpic is specified.
23755 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
23757 * expr.c (emit_block_move): Use copy_to_mode_reg for
23758 !TARGET_MEM_FUNCTIONS case too.
23760 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
23762 * configure: Rebuilt.
23763 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
23764 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
23765 definitions made redundant by dbxelf.h inclusion. Delete
23766 lots of definitions related to assembly output that are
23767 specific to the SOM object format.
23768 * pa.c (output_function_prologue): Do not emit the function's
23770 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
23771 * pa-pro.h: Deleted.
23772 * som.h: New file with SOM specific definitions.
23773 * elf.h: New file with ELF specific definitions.
23775 * elfos.h (const_section): Output a tab before assembler directives.
23776 (ctors_section, dtors_section): Likewise.
23777 (ASM_OUTPUT_SECTION_NAME): Likewise.
23779 * pa/pa1.h: Delete unused file.
23781 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
23783 * configure.in (hppa*-hp-hpux11*): New configuration.
23784 * configure: Rebuilt.
23785 * pa/pa-hpux11.h: New file.
23786 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
23789 * mips.md (leasi, leadi): New patterns.
23791 * expr.c (emit_block_move): Properly handle case where one of the
23792 block move arguments has a queued increment or decrement.
23793 (clear_storage): Similarly. Fix formatting goof.
23795 1999-06-28 "David O'Brien" <obrien@NUXI.com>
23797 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
23798 semicolon from the BSD VA_LIST replacement expression.
23800 * fixinc/inclhack.sh: regen
23801 * fixinc/fixincl.x: regen
23803 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
23804 now use the fixincl program.
23806 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
23808 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
23809 case. Also make the PIC register call_used.
23811 * m68k.h (FINALIZE_PIC): Delete.
23812 * m68k.c (finalize_pic): Delete.
23814 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
23816 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
23819 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
23821 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
23823 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
23825 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
23827 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
23829 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
23831 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
23833 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
23835 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
23837 * rs6000.c (output_toc): Always use hex values for floating-point
23838 constants. Store single-precision values in upper-half of TOC
23839 entry in 64-bit mode.
23840 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
23841 to final constraints.
23842 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
23843 (fctiwz): Improve accuracy of RTL for pattern.
23845 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
23847 * expr.c (expand_expr): Allow RTL_EXPR's through the
23848 MAX_INTEGER_COMPUTATION_MODE checks.
23850 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
23852 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
23853 such that MASK_SUPPORT_ARCH is not negative.
23855 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
23857 * loop.c (verify_dominator): Properly handle ADDR_VEC and
23858 ADDR_DIFF_VEC insns that appear inside loops.
23860 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
23861 Jeff Law <law@cygnus.com>
23863 * rs6000.md (movdf_hardfloat32): Revert previous patch.
23864 Handle LO_SUM the same as offsettable in cases 1 and 2.
23865 * rs6000.c (find_addr_reg): Revert previous patch.
23867 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
23869 * system.h (strstr): New external function declaration.
23870 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
23871 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
23872 * config.in, configure: Rebuilt.
23874 1999-06-24 Tom Tromey <tromey@cygnus.com>
23876 * gcc.c (main): Read user-specified specs files after computing
23877 additional startfile_prefixes.
23879 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
23881 Revert these two patches:
23883 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23884 * loop.c (strength_reduce): When doing biv->giv conversion, update
23885 reg note of NEXT->insn.
23887 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23888 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23890 (recombine_givs): Set ix field after sorting.
23892 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23894 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
23895 for the parts of an UNSPEC / UNSPEC_VOLATILE.
23897 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
23899 *fixinc/inclhack.def: Add fix development commentary
23900 (read_ret_type): reactivate and add selection clause
23901 (zzz_*): tweak output file name to match what is used in hackshell.tpl
23902 *fixinc/{fixincl.x|inclhack.sh}: regen
23904 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
23906 * expr.c (expand_expr): STRIP_NOPS before checking against
23907 MAX_INTEGER_COMPUTATION_MODE
23908 (check_max_integer_computation_mode): Likewise.
23910 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
23912 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
23914 1999-06-22 Jim Wilson <wilson@cygnus.com>
23916 * expr.c (store_expr): When target is a promoted subreg, return a
23917 promoted subreg as a result.
23919 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
23921 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
23923 (dwarf2out_define): Mark unused parameters appropriately.
23924 (gen_unspecified_parameters_die): Ditto.
23925 (gen_subprogram_die): Fix signed/unsigned warnings.
23926 (gen_variable_die): Ditto.
23928 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
23930 * fixinc/inclhack.def(end_else_label): combined else_label
23931 and endif_label and fixed the sed expression.
23932 *fixinc/{fixincl.x|inclhack.sh}: regen
23934 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
23936 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
23937 'x' when handling non-offsettable addresses
23939 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
23941 * final.c (shorten_branches): Don't try to split an insn that has
23944 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
23946 * config/mips/mips.c (symbolic_expression_p): New function.
23947 (mips_select_rtx_section): Put symbolic expressions in the
23948 data section, not the read-only data section.
23950 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
23952 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
23954 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
23956 * collect2.c (main): Log frame table count.
23957 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
23958 (scan_prog_file) [COFF]: Handle frame tables.
23960 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
23961 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
23962 * alpha/elf.h: Undef them again.
23963 * alpha/vms.h: Remove their definitions.
23965 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23967 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
23968 remove the clobber of r0 and change the REG_UNUSED note to
23971 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
23973 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
23974 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
23975 fits in HOST_WIDE_INT and one uses union to access a long constant
23978 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
23980 * sparc.c (sparc_override_options): Don't allow profiling for
23981 code models other than medlow.
23982 (sparc_function_profiler): New function from old FUNCTION_PROFILER
23983 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
23984 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
23985 (sparc_block_profiler): Likewise.
23986 (sparc_function_block_profiler_exit): Likewise.
23987 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
23988 (FUNCTION_BLOCK_PROFILER): Likewise.
23989 (BLOCK_PROFILER): Likewise.
23990 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
23991 (MCOUNT_FUNCTION): New.
23992 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
23993 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
23994 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
23995 (MCOUNT_FUNCTION): New.
23996 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
23997 (BLOCK_PROFILER): Delete.
23998 (MCOUNT_FUNCTION): New.
24000 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
24002 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
24004 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24006 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24009 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24012 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24015 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24018 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
24020 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
24023 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
24025 * i386/djgpp.h (LIB_SPEC): New.
24026 (STARTFILE_SPEC): New.
24028 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
24030 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
24032 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
24035 * system.h (WSTOPSIG): New macro.
24037 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
24039 * c-pragma.c (push_alignment): Don't ignore alignments greater than
24041 (insert_pack_attributes): Take into account member natural
24044 * i386/winnt.c (exports_head): New static variable.
24045 (i386_pe_record_exported_symbol): New function.
24046 (i386_pe_asm_file_end): Use.
24047 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
24048 symbols to be emitted at end of assembly.
24049 (ASM_DECLARE_OBJECT_NAME): Likewise.
24050 (ASM_DECLARE_FUNCTION_NAME): Likewise.
24052 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
24055 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
24057 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
24060 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
24062 * haifa-sched.c (sched_analyze_1): Use free_list instead of
24063 zapping reg_last_uses directly.
24064 (sched_analyze_2, sched_analyze_insn): Likewise.
24065 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
24067 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
24069 * rs6000.md (movdf_hardfloat32): Use worst case insn length
24070 attributes for cases 1 and 2.
24072 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
24074 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
24077 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
24079 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
24081 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
24083 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
24084 PIC_OFFSET_TABLE_REGNUM for general alloaction.
24085 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
24086 must be stacked if it is used for PIC accesses.
24087 * arm.c (use_return_insn): Handle PIC register specially.
24088 (output_return_instruction): Likewise.
24089 (output_func_{prologue,epilogue}): Likewise.
24090 (output_expand_prologue): Likewise.
24092 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
24093 (*strsi_predec): Renamed from *strqi_predec.
24094 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
24095 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
24097 * arm.c (arm_override_options): Remove warning about PIC code
24098 not being supported.
24100 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
24102 * rs6000.c (find_addr_reg): New function.
24103 * rs6000.h (find_addr_reg): Declare.
24104 (offsettable_addr_operand): Delete.
24105 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
24106 from and stores to GPRs.
24108 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
24110 * alpha.c (alpha_expand_block_move): Use get_insns rather than
24111 gen_sequence as argument to emit_no_conflict_block.
24113 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24115 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
24116 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
24117 *fixinc/fixincl.x: regen
24118 *fixinc/inclhack.sh: regen
24120 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
24122 * added support for -mpcrel (PC relative addressing for m68k)
24123 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
24124 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
24125 * m68k.c (print_operand_address): Handle 32-bit PIC case.
24126 (comments for general_src_operand): Add some explanation
24127 about EXTRA_CONSTRAINTS.
24128 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
24129 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
24130 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
24131 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
24132 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
24133 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
24134 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
24135 if not already set.
24136 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
24137 * m68k.h (TARGET_PCREL): New target flag.
24138 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
24139 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
24140 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
24141 contains a SYMBOL_REF. Relax this constraint during reload, since
24142 we want to use the predicates, not reload's built-in concept of a
24143 valid memory address, to control what insns need reloading.
24144 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
24145 operands (essentially 'g', 'm', and 's' under normal circumstances).
24146 * m68k.c (print_operand): Cause printing of pc-relative addresses
24147 to include pc register.
24148 (print_operand_address): Ditto.
24149 (general_src_operand): Accept operands that are not only
24150 general_operands, but are also valid when used as a pc-relative
24152 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
24153 (memory_src_operand): Similar, for memory_operands.
24154 (pcrel_address): New predicate to accept the special case of a
24155 pc-relative address.
24156 * m68k.md (many patterns): Rewrite common SImode, HImode, and
24157 QImode insns to accept *_src_operand instead of *_operand where
24158 pc-relative operands can fit. For example, a pc-relative operand
24159 can be used as a memory source operand for addsi3, but not as a
24160 memory destination.
24161 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
24163 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
24165 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
24166 .thumb_set pseudo op to mark aliases of thumb functions.
24168 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
24170 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
24171 preference to ASM_OUTPUT_DEF, if it is defined.
24173 * tm.texi: Document new, optional target macro
24174 ASM_OUTPUT_DEF_FROM_DECLS.
24176 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24178 * fixincludes: ISCNTL patch
24179 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
24180 (dgux_int_varargs): new for DG/UX
24181 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
24183 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
24185 * invoke.texi (ia32 options): Fix typo.
24187 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24189 * loop.c (strength_reduce): When doing biv->giv conversion, update
24190 reg note of NEXT->insn.
24192 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
24194 * loop.c (move_movables): Note issues with replacing REGs with
24196 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
24198 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
24200 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
24202 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
24203 the reference to `mcount' was not correct for the ELF on FreeBSD.
24205 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24207 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24210 (recombine_givs): Set ix field after sorting.
24212 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
24214 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
24215 to safe to extract a subword out of a REG.
24217 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24219 * sh.md (mulsi3): Don't add a no-op move at the end.
24221 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24223 * cse.c (cse_insn): Don't put hard register source into tables for
24224 the last insn of a libcall.
24226 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24228 * loop.c (strength_reduce): Insert sets of derived givs at every
24229 biv increment, even if it's the only one.
24231 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
24233 * dwarfout.c (add_incomplete_type): New fn.
24234 (output_type): Call it.
24235 (retry_incomplete_types): New fn.
24236 (dwarfout_finish): Call it.
24238 From Eric Raskin <ehr@listworks.com>:
24239 (output_type): Output types for bases.
24241 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
24243 * mips.c (mips_output_conditional_branch): Add `break'
24244 between `default' label and `close braces'.
24246 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
24248 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
24249 specifications and make it realistic.
24250 (LIB_SPEC): Likewise.
24252 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
24254 * config/mips/mips.c (mips_secondary_reload_class): Check for
24255 (PLUS (SP) (REG)) and return appropriate register class.
24256 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
24257 Handle (PLUS (SP) (REG)).
24258 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
24259 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
24260 of emit_insn for tablejump.
24262 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
24264 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
24265 asm_fprintf format string by itself.
24266 (output_function_profiler): Likewise.
24268 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
24270 * combine.c (simplify_logical, case AND): Only call
24271 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
24272 or the constant is positive.
24274 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
24276 * configure.in: Fix typo in rs6000-ibm-aix4 case.
24277 * configure: Regenerate.
24279 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
24281 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
24282 require a sub-version #.
24283 * configure: Rebuilt.
24285 1999-06-14 Robert Lipe (robertlipe@usa.net)
24287 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
24289 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
24291 * c-typeck.c (process_init_element): Detect excess elements in
24292 char array initializer.
24294 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
24296 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
24298 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24300 * invoke.texi (Option Summary): Add -fpermissive flag.
24302 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
24304 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
24305 that require PIC code sequences.
24307 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
24309 * configure.in: Add new target: thumb-elf.
24310 * configure: Regenerate.
24311 * config/arm/t-thumb-elf: New file: Makefile fragment for
24313 * config/arm/telf.h: New file: Header file for thumb-elf
24316 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
24318 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
24319 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
24320 initializers is some circumstances.
24322 * fixinc/inclhack.def (endif_label): Add additional selector for
24323 more bogus stuff after #endif statements.
24324 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
24326 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
24328 * i386/cygwin.h (SET_ASM_OP): Define.
24330 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
24332 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
24334 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24336 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
24339 * sh.md (ic_invalidate_line_i): Remove second alternative.
24341 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24343 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
24344 test for the presence of valid prototypes. Delete bypass expr.
24345 (ioctl_fix_ctrl): Correct the selection expression.
24346 (no_double_slash): Correct quoting rules
24347 *fixinc/fixincl.x: regen
24348 *fixinc/inclhack.sh: regen
24350 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
24352 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
24354 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24356 * rs6000.md (movsi_got_internal_mem): Delete.
24357 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
24358 (GOT_TOC_REGNUM): Delete.
24359 (PIC_OFFSET_TABLE_REGNUM): Define.
24360 (FINALIZE_PIC): Disable.
24361 * rs6000.c (rs6000_got_register): New code for fixed pic register.
24362 (rs6000_replace_regno): Delete.
24363 (rs6000_finalize_pic): Likewise.
24364 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
24366 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24368 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
24369 is a note; use <= for the compare; advance P while it is
24372 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
24374 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
24375 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
24377 * varasm.c (remove_from_pending_weak_list): Verify t->name
24378 is non-NULL before passing it to strcmp.
24380 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24382 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
24383 the typed arguments are not part of a comment
24384 (ioctl_fix_ctrl): Added a purpose comment
24385 *fixinc/fixincl.x: regenerate
24386 *fixinc/inclhack.sh: regenerate
24388 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24390 * invoke.texi: Add C4x invocation docs.
24392 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24394 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
24396 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
24398 (c4x_legitimize_reload_address): New function.
24399 * config/c4x/c4x.md: Update docs.
24401 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
24403 * fixincludes: Avoid removing '.'.
24404 * fixinc/fixinc.svr4: Likewise.
24405 * fixinc/fixinc.winnt: Likewise.
24406 * fixinc/inclhack.tpl: Likewise.
24407 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
24409 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24411 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
24413 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
24415 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
24417 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
24420 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
24422 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
24423 * configure: Regenerate.
24425 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
24427 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
24430 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
24432 * fixinc/inclhack.def (avoid_bool): Also catch
24433 "typedef [unsigned] int bool".
24434 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24436 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
24437 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
24438 * configure: Rebuilt.
24440 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
24442 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
24443 such that we can override its definitions if necessary.
24444 (CPP_SPEC): New define. Support processor specific predefines via
24446 (CC1_SPEC): New define. Support processor specific compiler
24447 options via %(cc1_cpu).
24448 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
24451 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24453 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
24454 between sed's -e flag, and the open-quote following it.
24455 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
24457 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
24458 Jeffrey A Law (law@cygnus.com)
24460 * varasm.c (assemble_start_function): Remove the function
24461 from the pending weak decls list when we define a function.
24462 (assemble_variable): Similarly for variables.
24463 (weak_finish): Ignore items on the list with a NULL name.
24464 (remove_from_ending_weak_list); New function to "remove" an item
24465 from the pending weak declarations list.
24467 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24469 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
24471 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
24473 * c-lex.c (GETC): Redefine to call getch.
24474 (UNGETC): Redefine to call put_back.
24475 (putback_buffer): New structure type.
24476 (putback): New static structure.
24477 (getch): New function.
24478 (put_back): New function.
24479 (yylex): Replace unused bytes from bad multibyte character.
24481 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
24483 * cpplib.c (do_define): Cast `alloca' return value.
24484 (do_include, do_undef, do_pragma): Likewise.
24485 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
24487 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
24488 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
24490 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
24492 * sparc.md (abstf2): This should be an expand.
24493 (split after abstf2_notv9): Fix mode.
24494 (abstf2_hq_v9): New pattern.
24495 (abstf2_v9): Only use when no hard quad.
24496 (absdf2_v9): Fix if target is not the same as source.
24497 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
24498 Add correct output constraints.
24500 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
24502 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
24503 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
24505 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
24507 * mips.h (mips_output_conditional_branch): New function.
24508 (mips_adjust_insn_length): Likewise.
24509 (ASSEMBLER_SCRATCH_REGNUM): New macro.
24510 (ADJUST_INSN_LENGTH): Likewise.
24511 * mips.c (print_operand): Add `F' and `W' for floating-point
24512 comparison opcodes.
24513 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
24515 (mips_adjust_insn_length): New function.
24516 (mips_output_conditional_branch): New function.
24517 * mips.md (length): Adjust attribute definition to handle
24518 conditional branches. Change lengths to bytes, rather than
24519 instructions throughout. Remove length attribute from
24520 instructions whose length is four bytes, and rely on the default
24522 (dslot): Fix typo in comment.
24523 Reword conditional branch patterns to use
24524 mips_output_conditional_branch.
24526 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
24528 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
24529 (LIB_SPEC): Likewise.
24530 Link with -lprof1_r for -g/-pg.
24532 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24534 * loop.c (check_dbra_loop): Fix change of Jan 19.
24536 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
24538 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
24539 (STARTFILE_SPEC): Define, override the svr4.h version.
24540 (ENDFILE_SPEC): Likewise.
24542 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
24544 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
24545 * fixinc/fixincl.x: Regenerated.
24546 * fixinc/inclhack.sh: Regenerated.
24548 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24550 * sh.c (barrier_align): Don't return early for normal branch/barrier
24551 when optimizing for SH2.
24553 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
24555 * i386/udk.h (LINK_SPEC): Correct linker search path for
24558 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24560 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
24561 (braf_label_ref_operand): Delete.
24562 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
24563 * sh.md (casesi_jump_2): Operand1 is now the inside of a
24564 label_ref, and has no predicate.
24565 The patten has a predicate to guard against invalid substitutions.
24566 (dummy_jump): Delete.
24567 (casesi): Update use of casesi_jump_2.
24569 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24571 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
24572 *fixinc/fixincl.x: regenerate
24573 *fixinc/inclhack.sh: regenerate
24575 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
24577 * dwarf2out.c (add_incomplete_type): New fn.
24578 (gen_struct_or_union_type_die): Call it.
24579 (retry_incomplete_types): New fn.
24580 (dwarf2out_finish): Call it.
24582 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
24584 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
24585 current block starts with a CODE_LABEL and ends with a CALL and
24586 we can not find all the argument setup instructions for the CALL.
24588 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
24590 Revert this change:
24591 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24592 something is a candidate for optimize_bit_field_compare.
24594 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24596 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
24598 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
24600 * alpha.c (override_options): Thinko in last patch.
24602 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
24603 (LIB_SPEC): Recognize -pthread.
24605 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
24607 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
24608 definition in config/arm/coff.h
24609 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
24611 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24613 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
24614 fixes that need "file=xxx\n" prepended before invocation
24615 (start_fixer - new): starting the fixer process is complex enough
24616 to warrent its own routine. It prepends the "file=xxx\n" stuff.
24617 (process): uses the new routine; omit usage of putenv()
24618 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
24619 * fixinc/fixincl.x: regenerate
24621 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
24623 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
24624 and version #s (1.1 -> 2.96) as needed.
24625 * README.g77: Kill way out of date file in the toplevel directory.
24627 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
24629 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
24630 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
24631 * configure: Rebuilt.
24632 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
24633 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
24634 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
24635 (SWITCH_TAKES_ARG): Likewise.
24636 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
24637 * config/t-freebsd: Moved from config/i386/ so it can used for all
24640 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
24642 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
24644 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
24646 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
24647 * configure: Rebuilt.
24649 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
24651 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
24652 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
24653 * rs6000/rs6000.c (rs6000_file_start): Use putc.
24654 (rs6000_output_load_toc_table): Same.
24655 (output_prolog, output_mi_thunk): Same.
24656 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
24657 (ASM_GLOBALIZE_LABEL): Use putc.
24659 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
24661 * alpha.md (reload_*_help): New patterns and splitters.
24662 (reload_*): Use them.
24663 (mov[qh]i): Likewise.
24665 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
24667 * cccp.c (handle_directive): Handle backslash-newlines in quoted
24670 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
24672 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
24674 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
24676 * flow.c (mark_regs_live_at_end, insn_dead_p,
24677 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
24678 and HARD_FRAME_POINTER_REGNUM special treatment if reload
24679 hasn't run or the frame pointer is needed.
24680 * haifa-sched.c (attach_deaths): Likewise.
24681 * sched.c (attach_deaths): Likewise.
24683 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
24685 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
24686 calculate_can_reach_end returns nonzero.
24688 * configure.in (native gas tests): Search for an assembler in the
24689 same manner that the installed compiler will.
24690 * configure: Rebuilt.
24691 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
24693 * alias.c (find_base_term): Improve handling of addresses
24694 constructed from binary operations.
24696 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
24698 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
24700 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
24702 * function.h (cleanup_label, frame_offset): Declare.
24703 (tail_recursion_label, tail_recursion_reentry): Likewise.
24704 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24705 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
24706 (tail_recursion_label, tail_recursion_reentry): Likewise.
24707 (arg_pointer_save_area, rtl_expr_chain): Likewise.
24709 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
24711 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
24713 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
24714 (MAX_OFILE_ALIGNMENT): Define.
24716 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
24718 * fixincl.c: Replace local include scheme with #includes of
24719 gansidecl.h and system.h.
24720 * procopen.c: Likewise.
24721 * server.c: Likewise.
24723 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
24725 * i386/t-dgux (EXTRA_PARTS): Add crti.o
24726 (crti.o): Add build rule and dependencies.
24727 * fixinc/fixinc.dgux: Use modified _int_varargs.h
24729 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24731 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
24732 (LIB_LINUX_SPEC): Likewise.
24733 (LIB_LINUX_SPEC): Add support for -pthread
24734 (CPP_OS_LINUX_SPEC): Likewise.
24735 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
24738 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
24740 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
24742 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
24743 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
24744 for IEEE math and CC_FCOMI.
24745 (put_jump_code): No IEEE if CC_FCOMI is set.
24747 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24749 * fold-const.c (fold_truthop): Make the field reference unsigned
24750 when converting a single bit compare.
24752 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24754 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
24756 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
24758 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
24759 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
24762 * reload.c (push_reload): Do not call remove_address_replacements
24763 when presented with identical optional reloads.
24765 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
24767 * alpha.h (MASK_FIX, TARGET_FIX): New.
24768 (MASK_*): Reorganize constants.
24769 (CPP_AM_FIX_SPEC): New.
24770 (TARGET_SWITCHES): Add FIX.
24771 (EXTRA_SPECS): Likewise.
24772 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
24773 (SECONDARY_MEMORY_NEEDED): Likewise.
24774 (REGISTER_MOVE_COST): Likewise.
24775 * alpha.c (override_options): Add FIX support. Always use
24776 ALPHA_TP_PROG for ev6.
24777 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
24778 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
24779 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
24781 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
24783 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
24784 something is a candidate for optimize_bit_field_compare.
24786 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
24788 * gcc.texi (Passes): Document branch-shortening.
24789 * invoke.texi (Debugging Options): Document the fact that `-dp'
24790 outputs length information for instructions.
24792 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
24794 * flow.c: Revert previous delta.
24796 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
24798 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
24799 FRAME_POINTER_REGNUM.
24800 (mark_set_1): Ditto.
24801 (mark_used_regs): Ditto.
24803 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
24805 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
24806 (GOT_PCREL): New macro. Define to 1 if not already defined.
24807 * arm/elf.h (GOT_PCREL): Define to 0.
24808 * arm.c (arm_finalize_pic): Take into account the setting of
24811 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
24813 * output.h (STRIP_NAME_ENCODING): Provide default definition.
24814 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
24816 * flow.c (mark_set_1): Do not record BLKmode stores as dead
24817 store elimination candidates.
24819 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
24821 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
24824 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
24826 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
24827 Add use of x-aix41-gld.
24829 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
24831 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
24832 (ASM_OUTPUT_DESTRUCTOR): Define.
24834 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
24836 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
24837 last CODE_LABEL in a loop if we have previously passed a jump
24838 to the top of the loop.
24840 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
24842 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
24843 applying Philip's patch.
24845 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
24847 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
24850 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
24852 * loop.c (strength_reduce): Grow reg_single_usage as needed.
24854 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
24856 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
24857 Also remove a useless comment.
24859 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
24861 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
24863 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
24865 * collect2.c (main): Only generate import or export file and add
24866 to link arguments if non-empty. Use xmalloc not alloca.
24867 (write_{export,import}_file): Delete.
24868 (write_aix_file): New function.
24869 (locatelib): Use xmalloc not malloc.
24870 (GCC_OK_SYMBOL): Do not check type if aix64.
24872 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
24874 Based on patch by Scott Bambrough and Pat Beirne:
24875 * config/arm/arm.c (making_const_table): New variable.
24876 * config/arm/arm.h (making_const_table): Declare.
24877 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
24879 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
24880 Keep track of when we are building the constant table.
24882 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
24884 * config/arm/arm.c (arm_override_options): Fix erroneous warning
24887 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
24889 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
24892 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
24894 * tm.texi (FUNCTION_ARG): Correct description of a stack element
24897 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
24899 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
24901 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24903 * rs6000.c (output_mi_thunk): Enable full support again.
24905 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24907 * sh.h (BRANCH_COST): Define.
24909 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
24911 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
24913 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
24915 * function.c (assign_stack_local): Align stack slot propertly.
24916 (assign_outer_stack_local): Likewise.
24918 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
24920 * expr.h (lang_expand_constant): Declare.
24921 * toplev.c (lang_expand_constant): Define it.
24922 * varasm.c (output_constant): Use it.
24924 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24926 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
24927 Change function definitions to K&R style.
24929 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24931 * fixinc/fixincl.c: We must not ignore SIGCLD now.
24933 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
24935 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
24936 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
24937 (several places): omit static initialization
24938 (process): use single fd, since only the read fd is used
24939 * fixinc/gnu-regex.c: define 'const' away, if not supported
24940 * fixinc/procopen.c(several places): omit static initialization
24941 * fixinc/server.c: define 'volitile' away, if not supported
24943 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
24945 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
24946 asm_fprintf and %L to generate the label name.
24947 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
24948 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
24950 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
24952 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
24953 insn for a conditional jump can not be found.
24955 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
24957 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
24958 on variables in specific sections other than .sbss and .sdata.
24960 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
24962 * stmt.c (expand_return): Call start_cleanup_deferral and
24963 end_cleanup_deferral around conditional code.
24965 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24967 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
24968 filename lists. Utilizes new "krstr" AutoGen function.
24969 * fixinc/fixincl.x: Rebuilt.
24971 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
24973 * i386.c (output_float_compare): Avoid GNU-C extensions.
24975 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
24977 * version.c: Bump to distinguish mainline tree from the
24980 See ChangeLog.1 for earlier changes.