1 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
3 * alpha.c (alpha_expand_block_move): mode_for_size expects
4 bits, not bytes. Infer extra alignment from addressof.
6 1998-12-11 Michael Meissner <meissner@cygnus.com>
8 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
9 .sbss section, not .sdata.
11 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
13 * cccp.c: Do not #include <sys/stat.h> here; this is already done
15 * collect2.c: Likewise.
20 * protoize.c: Likewise.
23 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
24 and don't try to define it here.
25 * Makefile.in (cppmain.o): Depend on machmode.h.
27 (cpperror.o): Likewise.
29 (cppfiles.o): Likewise.
30 (cpphash.o): Likewise.
31 (cppalloc.o): Likewise.
32 (fix-header.o): Likewise.
33 (scan-decls.o): Likewise.
35 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
37 * sh.c (print_operand): lookup interrupt_handler attribute instead
38 of relying on static variable.
39 * (calc_live_regs): Likewise.
40 * (sh_pragma_insert_attributes): Create interrupt_handler
41 attribute if a pragma was specified
42 * (sh_valid_machine_decl_attribute): Don't set static flag.
43 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
45 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
47 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
48 to determine if a register is live at a jump destination.
49 Everything is dead at a BARRIER.
51 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
53 * cse.c (simplify_unary_operation): Sign-extend constants when
54 they have the most significant bit set for the target.
55 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
57 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
58 HOST_WIDE_INT temporary before negating it.
59 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
61 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
63 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
66 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
68 * collect2.h: New header file for prototypes.
70 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
72 * collect2.c: Include collect2.h.
75 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
77 * flow.c: Update some comments.
79 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
81 * objc/objc-act.c (cpp_initialized): Removed.
82 (lang_init_options): Initialize cpplib.
83 (lang_decode_option): Move initialization of cpplib to
85 * c-lang.c: (parse_options,parse_in): Added.
86 (lang_init_options): Initialized cpplib here.
87 * c-decl.c (parse_options,cpp_initialized): Removed.
88 (c_decode_option): Move initialization of cpplib to
91 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
93 * reload1.c (reload_combine, reload_combine_note_store):
94 Make STORE_RUID always valid.
95 (reload_combine): Check if BASE is clobbered too early.
97 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
99 * reload.c (find_reloads): Display the insn that cannot be
102 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
104 * cccp.c (create_definition): Fix end of bufer logic.
106 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
108 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
109 pointer parameters changed to use the PARAMS() macro.
111 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
113 * except.h (struct handler_info): Add handler_number field.
114 * except.c (gen_exception_label): EH labels no longer need to be
115 on the permanent obstack.
116 (get_new_handler): Set the label number field.
117 (output_exception_table_entry): Regenerate handler label reference
118 from the label number field.
119 (init_eh): Remove a blank line.
120 * integrate.c (get_label_from_map): Labels no longer need to be
121 on the permanent obstack.
123 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
125 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
126 only when OUTER_CODE is SET.
128 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
130 * loop.c (strength_reduce): If scan_start points to the loop exit
131 test, be wary of subversive use of gotos inside expression statements.
132 Don't set maybe_multiple for a backward jump that does not
133 include the label under consideration into its range.
134 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
136 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
138 * explow.c (plus_constant_wide): Don't immediately return with
139 result of recursive call.
141 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
143 * eh-common.h (struct eh_context): Add table_index for rethrows.
145 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
146 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
147 processed when inlined or unrolled (ie duplicated in some way).
149 * rtl.c (reg_note_name): Add strings for new reg_note enums.
151 * expr.h (rethrow_libfunc): New library decl.
153 * optabs.c (rethrow_libfunc): Initialize.
155 * except.h (struct eh_entry): Add new field 'rethrow_label'.
156 (new_eh_region_entry): No longer exported from except.c.
157 (duplicate_handlers): Renamed to duplicate_eh_handlers and
159 (rethrow_symbol_map, rethrow_used): New exported functions.
160 (eh_region_from_symbol): New exported function.
162 * except.c (create_rethrow_ref): New function to create a single
163 SYMBOL_REF for a rethrow region.
164 (push_eh_entry): Initialize a rethrow ref.
165 (func_eh_entry): Add a rethrow_label field.
166 (new_eh_region_entry): Make static, and initialize the rethrow entry.
167 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
168 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
169 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
170 a region into an appropriate new symbol.
171 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
172 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
173 (end_catch_handler): Emit a barrier for new-exceptions since
174 control can never drop through the end of a catch block.
175 (expand_end_all_catch): new-exceptions never fall through a catch
177 (expand_rethrow): use __rethrow routine for new exceptions.
178 (output_exception_table_entry): Generate rethrow labels, if needed.
179 (output_exception_table): Generate start and end rethrow labels.
180 (init_eh): Create rethrow symbols for beginning and end of table.
181 (scan_region): Don't eliminate EH regions which are the targets of
184 * flow.c (make_edges): Add different edges for rethrow calls,
185 identified by having the REG_EH_RETHROW reg label.
186 (delete_unreachable_blocks): Don't delete regions markers which are
187 the target of a rethrow.
189 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
190 allow save_for_inline_copying to call duplicate_eh_handlers.
191 (save_for_inline_copying): Call duplicate_eh_handlers instead of
192 exposing internal details of exception regions.
193 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
194 (expand_inline_function_eh_labelmap): New callback routine to
195 allow expand_inline_function to call duplicate_eh_handlers.
196 (expand_inline_function): Call duplicate_eh_handlers instead of
197 exposing internal details of exception regions.
198 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
201 * libgcc2.c (find_exception_handler): Generalize to enable it to
202 pick up processing where it left off last time for a rethrow.
203 (__unwinding_cleanup): New function. debug hook which is called before
204 unwinding when __throw finds there is nothing but cleanups left.
205 (throw_helper): Common parts of __throw extracted out for reuse.
206 (__throw): Common parts moved to throw_helper.
207 (__rethrow): New function for performing rethrows.
209 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
211 * reload1.c (current_function_decl): Tweak declaration.
213 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
215 * c-decl.c (flag_isoc9x): Default off.
216 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
217 * cccp.c (print_help, main): Likewise.
218 * gcc.c (default_compilers): Update for -std=gnu*.
220 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
222 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
223 * demangle.h: Deleted.
225 * reload1.c (current_function_decl): Declare.
227 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
229 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
231 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
233 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
235 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
237 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
239 * configure: Rebuilt.
240 * system.h: If the *_unlocked functions are available use them
241 instead of the locked counterparts by defining macros.
242 * config.in: Regenerated.
244 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
246 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
247 wrong and should only be used for dump related things, not
248 debugging information, instead main_input_filename should be used.
249 Also, reuse output_file_directive if possible.
250 * i386/aix386ng.h (ASM_FILE_START): Likewise.
251 * i386/isc.h (ASM_FILE_START): Likewise.
252 * i386/win-nt.h (ASM_FILE_START): Likewise.
253 * i386/sun386.h (ASM_FILE_START): Likewise.
255 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
257 * configure.in (mips*-*-linux*): Handle big and little endian
259 * configure: Rebuilt.
261 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
263 * emit-rtl.c: Fix typo.
265 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
267 * reload1.c (eliminate_regs): Don't do anything, if we're not
270 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
272 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
274 * mips/mips.c (mips_select_section): Add comment.
276 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
278 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
279 characters in file names in #line to be consistent with #include
280 handling. We support escape prcessing in the # 1 "..." version of
281 the command. See also support in cp/lex.c.
282 (handle_directive): Likewise.
285 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
287 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
288 so it'll work on non-ASCII platforms. Always consider $ an
289 identifier character. Take no arguments.
290 (cpp_reader_init): Call initialize_char_syntax with no
292 (cpp_start_read): Don't call initialize_char_syntax again.
293 Clear is_idchar['$'] and is_idstart['$'] if not
294 opts->dollars_in_ident.
296 * cpplib.h (struct cpp_reader): Replace void *data element by
297 cpp_options *opts. Rearrange elements to make gdb printout
298 less annoying (put buffer stack at end).
299 (CPP_OPTIONS): Get rid of now-unnecessary cast.
301 * cppmain.c: s/data/opts/ when initializing cpp_reader
303 * c-decl.c: Likewise.
304 * objc/objc-act.c: Likewise.
305 * fix-header.c: Likewise.
307 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
309 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
310 with a struct file_name_list pointer.
311 (struct cpp_reader): Add pointer to chain of `actual
312 directory' include searchpath entries.
313 (struct file_name_list): Add *alloc pointer for the sake of
314 the actual-directory chain.
316 Move definition of HOST_WIDE_INT here.
317 (cpp_parse_escape): Change prototype to match changes in
320 * cppfiles.c (actual_directory): New function.
321 (finclude): Use it to initialize the buffer's actual_dir
323 (find_include_file): We don't need to fix up max_include_len
326 * cpplib.c (do_include): Don't allocate a file_name_list on
327 the fly for current directory "" includes, use the one that's
328 been preallocated in pfile->buffer->actual_dir. Hoist out
329 duplicate code from the search_start selection logic.
330 (cpp_reader_init): Initialize pfile->actual_dirs.
332 Remove definition of HOST_WIDE_INT. Change calls
333 to cpp_parse_escape to match changes in cppexp.c (note
334 hardcoded MASK, which is safe since this is the source
337 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
338 to handle wide character constants in #if directives. The
339 function now returns a HOST_WIDE_INT, and takes a third
340 argument which is a binary mask for all legal values (0x00ff
341 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
342 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
343 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
345 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
347 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
349 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
351 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
352 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
353 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
355 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
357 * final.c (output_asm_name): Use tabs to seperate comments from
360 Include instruction lengths (if defined) in output.
362 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
364 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
365 in the loop_info structure.
367 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
369 * configure.in: (arm*-*-ecos-elf): New target.
370 * configure: Regenerated.
371 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
372 * config/arm/ecos-elf.h: New file.
373 * config/arm/unknown-elf.h (TARGET_VERSION): Check
376 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
378 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
380 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
382 * version.c: Bump for snapshot.
384 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
386 * loop.c (check_dbra_loop): New argument loop_info. Update fields
389 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
391 * version.c: Bump for snapshot.
393 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
395 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
396 compressed reports are ok and preferred over URLs
398 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
400 * invoke.texi (Warning Options): Soften the tone of -pedantic
402 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
404 * print-rtl.c (print_rtx): Add prototype.
406 * unroll.c (iteration_info): Make it static.
408 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
410 * alias.c (memrefs_conflict_p): A second ANDed address
411 disables the aligned address optimization.
413 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
415 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
418 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
420 * i960.h (BOOL_TYPE_SIZE): Define.
422 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
424 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
425 from old valid_parallel_operands_4.
426 (valid_parallel_operands_4): Check that operands for 4 operand
427 parallel insns are valid, excluding load/store insns.
428 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
429 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
430 valid_parallel_load_store instead of valid_parallel_operands_4.
431 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
432 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
433 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
434 *notqi_movqi_clobber): Use valid_parallel_operands_4.
435 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
436 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
437 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
439 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
441 * config/c4x/c4x.c (iteration_info): Delete extern.
443 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
445 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
447 * final.c (cleanup_subreg_operands): Delete some unused code.
449 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
450 (struct insn_alternative): New structure definition.
451 (recog_op_alt): Declare variable.
452 (preprocess_constraints): Declare function.
453 * recog.c (recog_op_alt): New variable.
454 (extract_insn): Verify number of alternatives is in range.
455 (preprocess_constraints): New function.
456 * reg-stack.c: Include recog.h.
457 (constrain_asm_operands): Delete.
458 (get_asm_operand_lengths): Delete.
459 (get_asm_operand_n_inputs): New function.
460 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
461 N_OUTPUTS args. All callers changed.
462 Compute number of inputs and outputs here by calling
463 get_asm_operand_n_inputs.
464 Instead of constrain_asm_operands, call extract_insn,
465 constrain_operands and preprocess_constaints. Use information
466 computed by these functions throughout.
467 (record_reg_life): Delete code that is unused due to changes in
469 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
470 N_INPUTS and N_OUTPUTS args. All callers changed.
471 Similar changes as in record_asm_reg_life.
472 (subst_stack_regs): Move n_operands declaration into the if statement
474 Delete code that is unused due to changes in subst_asm_stack_regs.
475 * stmt.c (expand_asm_operands): Verify number of alternatives is in
477 * Makefile.in (reg-stack.o): Depend on recog.h.
479 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
481 * except.c (set_exception_version_code): Argument is an "int".
483 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
485 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
486 * configure: Rebuilt.
488 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
490 * configure.in (mipsel-*-linux*): New target.
491 * mips/linux.h: New file, based on other Linux targets.
493 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
495 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
496 runs in the context of the deleter, not the deletee, so we must
497 use taskVarGet to find the correct memory to free.
498 (__gthread_key_create): Initialize the task
499 variable subsystem so that the task variable is still active when
500 the delete hook is run.
502 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
504 * pdp11.h: Use optimize_size for space optimizations.
506 * pdp11.md: Likewise.
508 * pdp11.h (TARGET_40_PLUS): Fix typo.
510 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
512 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
515 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
517 * alias.c (addr_side_effect_eval): New function.
518 (memrefs_conflict_p): Use it.
519 * rtl.h (addr_side_effect_eval): Prototype it.
521 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
523 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
525 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
527 * reload.c (find_reloads): When force const to memory, put result
528 in substed_operand not *recog_operand_loc.
530 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
532 * c-lex.c: Fix indentation from last patch.
533 Remove trailing whitespace.
536 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
538 * flow.c (delete_block): Call set_last_insn after we have reset
539 NEXT_INSN (kept_tail).
541 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
543 * mips.md (trap_if): Use "$0" for the value zero.
545 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
546 Stephen L Moshier <moshier@world.std.com>
547 Richard Henderson <rth@cygnus.com>
549 * c-common.c (declare_function_name): Declare predefinied variable
552 * c-decl.c (flag_isoc9x): Set to 1 by default.
553 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
554 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
556 * c-parse.in: Allow constructors in ISO C 9x.
557 Rewrite designator list handling.
558 Allow [*] parameters.
559 Don't warn about comma at end of enum definition for ISO C 9x.
561 * cccp.c (c9x): New variable.
562 (rest_extension): New variable.
563 (print_help): Document new -std= option.
564 (main): Recognize -std= option. Set c9x appropriately.
565 (create_definition): Recognize ISO C 9x vararg macros.
567 * gcc.c (default_compilers): Adjust specs for -std options.
568 (option_map): Add --std.
569 (display_help): Document -std.
571 * toplev.c (documented_lang_options): Add -std and remove
574 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
575 or REAL_VALUE_HTOF based on base of the constants.
576 * fold-const.c (real_hex_to_f): New function. Replacement function
577 for hex FP conversion if REAL_ARITHMETIC is not defined.
578 * real.c (asctoeg): Add handling of hex FP constants.
579 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
582 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
584 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
585 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
586 expansion. Use hi/lo as destination register.
588 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
589 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
590 Avoid as macro expansion. Use hi/lo as destination register.
592 * mips.h (MASK_CHECK_RANGE_DIV): New.
593 (MASK_NO_CHECK_ZERO_DIV): New.
594 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
595 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
596 return address for leaf functions out of r31 to support
597 builtin_return_address.
599 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
601 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
602 NEXT_INSN(x) to check insn x.
604 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
606 * flow.c (delete_block): Call set_last_insn if we end up deleting the
607 last insn in the rtl chain.
609 * reload1.c (reload): Do not set reload_completed or split insns
611 * toplev.c (rest_of_compilation): Set reload_completed after
612 reload returns. Split insns after reload_cse has run.
614 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
616 * final.c (final_scan_insn): Abort if block_depth falls below 0.
618 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
620 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
622 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
624 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
625 use of user-label_prefix.
627 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
629 * reload1.c (emit_reload_insns): Clear spill_reg_store
630 when doing a new non-inherited reload from the same pseudo.
632 * local-alloc.c (function_invariant_p): New function.
633 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
634 to decide if an equivalence should be recorded.
635 * reload1.c (num_eliminable_invariants): New static variable.
636 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
637 to decide if an equivalence should be recorded.
639 (calculate_needs_all_insns): Skip insns that only set an equivalence.
640 Take num_eliminable_invariants into account when deciding
641 if register elimination should be done.
642 (reload_as_needed): Take num_eliminable_invariants into account
643 when deciding if register elimination should be done.
644 (eliminate_regs): Handle non-constant reg_equiv_constant.
645 * rtl.h (function_invariant_p): Declare.
647 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
649 * version.c: Bump for snapshot.
651 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
653 * version.c: Bump for snapshot.
655 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
657 * except.c (add_new_handler): Complain about additional handlers
658 after one that catches everything.
660 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
662 * configure.in (alpha*-*-netbsd): Fix typo.
663 * configure: Rebuilt.
665 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
667 * system.h: Include libiberty.h.
669 * c-aux-info.c: Remove prototypes for concat/concat3. Change
670 function `concat' from fixed parameters to variable parameters,
671 as is done in libiberty. All callers of concat/concat3
672 changed to use the new `concat' with variable args.
674 * cccp.c: Remove things made redundant by libiberty.h and/or
675 conform to libiberty standards.
677 * collect2.c: Likewise.
678 * config/1750a/1750a.h: Likewise.
679 * cppalloc.c: Likewise.
680 * cppexp.c: Likewise.
681 * cppfiles.c: Likewise.
682 * cpphash.c: Likewise.
683 * cpplib.c: Likewise.
684 * dyn-string.c: Likewise.
685 * fix-header.c: Likewise.
688 * genattr.c: Likewise.
689 * genattrtab.c: Likewise.
690 * gencheck.c: Likewise.
691 * gencodes.c: Likewise.
692 * genconfig.c: Likewise.
693 * genemit.c: Likewise.
694 * genextract.c: Likewise.
695 * genflags.c: Likewise.
696 * gengenrtl.c: Likewise.
697 * genopinit.c: Likewise.
698 * genoutput.c: Likewise.
699 * genpeep.c: Likewise.
700 * genrecog.c: Likewise.
701 * getpwd.c: Likewise.
702 * halfpic.c: Likewise.
704 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
705 in NEED_DECLARATION_* macros.
707 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
708 conform to libiberty standards.
709 (fatal): Fix const-ification of variable `format' in
710 !ANSI_PROTOTYPES case.
712 * prefix.c: Remove things made redundant by libiberty.h and/or
713 conform to libiberty standards.
715 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
716 conflicting with function `spaces' from libiberty.
718 * profile.c: Remove things made redundant by libiberty.h and/or
719 conform to libiberty standards.
720 * protoize.c: Likewise.
724 * toplev.c: Likewise.
725 * toplev.h: Likewise.
728 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
730 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
732 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
734 * README.C4X: Updated URLs.
735 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
736 (valid_parallel_operands_5): Remove unused variable.
738 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
740 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
742 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
744 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
745 which can be configured.
746 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
747 (Makefile): Pass actual LANGUAGES through the environment when
749 (cstamp-h): Likewise.
750 (config.status): Likewise.
752 * configure.in (enable_languages): Add new configuration parameter
753 "--enable-languages=lang1,lang2,...".
754 (${srcdir}/*/config-lang.in): Change handling to configure only
755 those directories, that the user might have enabled; default to
756 "all" existing languages.
757 * configure: Regenerate.
759 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
761 * rtlanal.c (regs_set_between_p): New function.
762 * rtl.h (regs_set_between_p): Prototype it.
763 * jump.c (jump_optimize): Use it instead of modified_between_p
766 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
767 Matthias Pfaller <leo@dachau.marco.de>
769 * invoke.texi (Option Summary, NS32K Options): add description
770 of NS32K specific options.
772 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
773 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
774 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
775 negdf2, absdf2): Use l instead of f since the double class and
776 float class are no longer the same.
777 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
778 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
779 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
780 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
782 (cmpsi, cmphi, cmpqi): use general_operand instead of
783 non_immediate_operand. Removes erroneous assumption that can't
785 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
786 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
788 (movstrsi, movstrsi1, movstrsi2): completely new block move
790 (...): Patterns to exploit multiply-add instructions.
791 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
792 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
793 patterns to exploit extended divide insns.
794 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
797 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
798 float return values as well as simple scalar floats.
799 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
800 support new flag to denote 32381 fpu.
801 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
802 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
804 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
805 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
806 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
807 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
808 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
809 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
810 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
811 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
812 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
813 fpu registers and special register classes for new 32381
814 instructions dotf and polyf.
815 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
817 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
818 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
820 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
821 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
822 (REGISTER_MOVE_COST): move code to register_move_cost function for
823 ease of coding and debugging.
824 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
825 LONG_FLOAT_REGO is likely spilled but not caught by default
827 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
828 instead of hard coded numbers in range check.
829 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
830 (...): Add prototypes for functions in ns32k.c but disable because
831 of problems when ns32k.h is included in machine independant files.
833 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
834 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
835 hard_regno_mode_ok, secondary_reload_class,
836 print_operand, print_operand_address): new register scheme to
837 include 32381 fpu registers and special register classes for new
838 32381 instructions dotf and polyf.
839 (gen_indexed_expr): Make static to keep namespace clean.
840 (check_reg): remove since never called.
841 (move_tail, expand_block_move): helper functions for "movstrsi"
843 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
844 Increase cost of moves which go via memory.
845 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
846 (CPP_PREDEFINES): nolonger predefine "unix".
848 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
849 Remove erroneous %$. print_operand() can work out from the rtx is
850 an immediate prefix is required.
852 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
853 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
854 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
856 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
859 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
860 Correct handling of pic operands.
861 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
862 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
863 -mrtd calling convention.
865 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
867 * gcc.c (option_map): Recognize --output-class-directory.
869 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
871 * loop.h (precondition_loop_p): Added new mode argument.
872 * unroll.c (precondition_loop_p): Likewise.
873 (approx_final_value): Function deleted and subsumed
874 into loop_iterations.
875 (loop_find_equiv_value): New function.
876 (loop_iterations): Use loop_find_equiv_value to find increments
877 too large to be immediate constants. Also use it to find terms
878 common to initial and final iteration values that can be removed.
880 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
882 * loop.h (struct loop_info): Define new structure.
883 (precondition_loop_p): Added prototype.
884 (unroll_loop): Added new argument loop_info to prototype.
885 (final_biv_value, final_giv_value): Added new argument n_iterations
887 * loop.c (strength_reduce): Declare new structure loop_iteration_info
888 and new pointer loop_info.
889 (loop_n_iterations): Replace global variable by element in
891 (check_final_value): New argument n_iterations.
892 (insert_bct): New argument loop_info.
893 (loop_unroll_factor): Replace global array by element in
895 (loop_optimize): Remove code to allocate and initialise
896 loop_unroll_factor_array.
897 * unroll.c (precondition_loop_p): No longer static since
898 used by branch on count optimization.
899 (precondition_loop_p, unroll_loop): New argument loop_info.
900 (final_biv_value, final_giv_value, find_splittable_regs): New
901 argument n_iterations.
902 (loop_iteration_var, loop_initial_value, loop_increment,
903 loop_final_value, loop_comparison_code, loop_unroll_factor):
904 Replaced global variables by loop_info structure.
905 (loop_unroll_factor): Replace global array by element in
908 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
910 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
913 * unroll.c (precondition_loop_p): Return loop_initial_value
914 for initial_value instead of loop_iteration_var.
916 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
918 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
919 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
920 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
921 to output the instruction sequences.
923 (rptb_top): Provide alternatives to use any register or memory
925 (rptb_end): Emit use of operands rather than assigning them
926 explicitly to the RS and RE registers.
928 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
930 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
931 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
932 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
933 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
934 c4x_merge_notes, c4x_parallel_process,
935 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
936 c4x_combine_parallel): Delete.
938 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
940 * config/c4x/c4x.c: (c4x_override_options): For compatibility
941 with old target options clear flag_branch_on_count_reg if
942 -mno-rptb specified and set flag_argument_alias is -mno-aliases
944 (c4x_output_cbranch): Handle a sequence of insns rather than a
946 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
947 has not been allocated as the loop counter.
948 (c4x_address_conflict): Do not allow two volatile memory references.
949 (valid_parallel_operands_4, valid_parallel_operands_5,
950 valid_parallel_operands_6): Reject pattern if the register destination
951 of the first set is used as part of an address in the second set.
953 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
955 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
956 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
957 is no longer enabled if PARALLEL_MPY_FLAG set.
958 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
959 (REG_CLASS_CONTENTS): Add braces around initializers.
960 (HAVE_MULTIPLE_PACK): Define.
961 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
962 REAL_VALUE_TO_DECIMAL.
963 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
964 REAL_VALUE_TO_DECIMAL.
965 (ar0_reg_operand): Add prototype.
966 (ar0_mem_operand): Likewise.
967 (ar1_reg_operand): Likewise.
968 (ar1_mem_operand): Likewise.
969 (ar2_reg_operand): Likewise.
970 (ar2_mem_operand): Likewise.
971 (ar3_reg_operand): Likewise.
972 (ar3_mem_operand): Likewise.
973 (ar4_reg_operand): Likewise.
974 (ar4_mem_operand): Likewise.
975 (ar5_reg_operand): Likewise.
976 (ar5_mem_operand): Likewise.
977 (ar6_reg_operand): Likewise.
978 (ar6_mem_operand): Likewise.
979 (ar7_reg_operand): Likewise.
980 (ar7_mem_operand): Likewise.
981 (ir0_reg_operand): Likewise.
982 (ir0_mem_operand): Likewise.
983 (ir1_reg_operand): Likewise.
984 (ir1_mem_operand): Likewise.
985 (group1_reg_operand): Likewise.
986 (group1_mem_operand): Likewise.
987 (ir1_reg_operand): Likewise.
988 (arx_reg_operand): Likewise.
989 (not_rc_reg): Likewise.
990 (not_modify_reg): Likewise.
991 (c4x_group1_reg_operand): Remove prototype.
992 (c4x_group1_mem_operand): Likewise.
993 (c4x_arx_reg_operand): Likewise.
995 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
997 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
998 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1000 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1002 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1005 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1007 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1008 unless FMOVD_WORKS is defined.
1010 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1012 * regclass.c (init_reg_sets): Move code that calculates tables
1013 dependent on reg_class_contents from here...
1014 (init_reg_sets_1): To here.
1016 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1018 * cpplib.h: Delete struct import_file. Add ihash element to
1019 struct cpp_buffer. Delete dont_repeat_files and
1020 import_hash_table elements from cpp_reader; change
1021 all_include_files to a hash table. Delete all foobar_include
1022 / last_foobar_include elements from struct cpp_options; put
1023 back four such: quote_include, bracket_include,
1024 system_include, after_include. Redo struct file_name_list
1025 completely. Add new structure type include_hash. Add
1026 prototypes for merge_include_chains and include_hash. Change
1027 prototypes for finclude, find_include_file, and
1028 append_include_chain to match changes below.
1030 * cppfiles.c (simplify_pathname, include_hash,
1031 remap_filename, merge_include_chains): New functions.
1032 (add_import, lookup_import, open_include_file): Removed.
1033 (INO_T_EQ): Define this (copied from cccp.c).
1034 (hack_vms_include_specification): Remove all calls and #if 0
1035 out the definition. It was being called incorrectly and at
1036 the wrong times. Until a VMSie can look at this, it's better
1037 to not pretend to support it.
1038 (append_include_chain): Change calling convention; now takes
1039 only one directory at a time, and sets up the data structure
1041 (redundant_include_p): Rewritten - this is now used for all
1042 include redundancy, whether by #ifndef, #import, or #pragma
1043 once. Looks up things in the include hash table.
1044 (file_cleanup): Decrement pfile->system_include_depth here if
1046 (find_include_file): Calling convention changed; now passes
1047 around a struct include_hash instead of 3 separate parameters.
1048 Guts ripped out and replaced with new include_hash mechanism.
1049 (finclude): Calling convention changed as for
1050 find_include_file. Error exits pulled out-of-line. Reformat.
1051 (safe_read): Return a long, not an int.
1052 (deps_output): Don't recurse.
1054 * cpplib.c (is_system_include): Deleted.
1055 (path_include): Fix up call to append_include_chain.
1056 (do_include): Fix up calls to find_include_file and finclude.
1057 Clean up dependency output a bit. Shorten obnoxiously lengthy
1058 #import warning message. Don't decrement
1059 pfile->system_include_depth here.
1060 (do_pragma): Understand the include_hash structure. Reformat.
1061 (do_endif): Correct handling of control macros. Understand
1063 (cpp_start_read): Fix up calls to finclude. Call
1064 merge_include_chains.
1065 (cpp_handle_option): Fix up calls to append_include_chain.
1066 Understand the four partial include chains.
1067 (cpp_finish): Add debugging code (#if 0-ed out) for the
1069 (cpp_cleanup): Free the include_hash, not the import hash and
1070 the all_include and dont_repeat lists which no longer exist.
1072 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1074 * toplev.c (no_new_pseudos): Define.
1075 (rest_of_compilation): Set no_new_pseudos as needed.
1076 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1077 if no_new_pseudos is set.
1078 * rtl.h (no_new_pseudos): Declare it.
1079 * reload1.c (reload): Update comments.
1080 * md.texi: Corresponding changes.
1082 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1084 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1085 (choose_reload_regs): Rename it here as well. When computing it,
1086 also merge in used hardregs.
1088 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1090 * gcc.c: Split out Objective-C specs to...
1091 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1094 * c-lex.c (init_parse): Always initialize the filename global.
1095 * objc/objc-act.c (lang_init): Always call check_newline at
1098 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1100 * reload1.c (reload): Remove unused variable.
1101 (reload_reg_free_for_value_p): Add missing parameter definition.
1103 * jump.c (jump_optimize): Remove unused variable.
1105 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1107 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1109 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1111 * expr.c (move_by_pieces): Similarly.
1112 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1113 * flow.c (find_auto_inc): Similarly.
1114 (try_pre_increment): Similarly.
1115 * loop.c (strength_reduce): Similarly.
1116 * regclass.c (auto_inc_dec_reg_p): Similarly.
1117 * regmove.c (try_auto_increment): Similarly.
1118 (fixup_match_1): Similarly.
1119 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1120 (HAVE_PRE_DECREMENT): Similarly.
1121 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1122 * Corresponding changes to all target header files.
1123 * tm.texi: Update docs for autoinc addressing modes.
1125 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1127 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1128 * configure: Rebuild.
1129 * config/elfos.h: New file.
1130 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1131 config/m68k/t-m68kelf: New file.
1133 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1135 * Makefile.in (HOST_AR): Define.
1136 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1137 (libcpp.a): Use the host tools explicitly.
1138 (STAGESTUFF): Add libcpp.a.
1140 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1142 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1143 to source and destination registers.
1145 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1147 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1148 The strategy we now use is to pre allocate the top_elt along
1149 with the EH context so that each thread has its own top_elt.
1150 This is necessary as the dynmanic cleanup chain is used on the
1151 top element of the stack and each thread MUST have its own.
1152 (eh_context_static): Likewise.
1153 (new_eh_context): Likewise.
1154 (__sjthrow): Likewise.
1156 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1158 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1159 * i386.md (prologue_get_pc): Remove unused variable.
1161 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1163 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1165 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1167 * Makefile.in (OBJS): Add graph.o
1168 (graph.o): New dependency list.
1169 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1170 * print-rtl.c (dump_for_graph): Define new variable.
1171 (print_rtx): Rewrite to allow use in graph dumping functions.
1172 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1173 finish_graph_dump_file.
1174 Define graph_dump_format.
1175 (compile_file): If graph dumping is enabled also clear these files.
1176 Finish graph dump files.
1177 (rest_of_compilation): Also dump graph information if enabled.
1178 (main): Recognize -dv to enabled VCG based graph dumping.
1179 * graph.c: New file. Graph dumping functions.
1181 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1183 * configure.in: Look for <sys/stat.h>.
1184 * system.h: Include it before substitute S_ISREG definitions.
1186 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1188 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1189 * config/mips/iris6.h: Same.
1190 * config/mips/mips.md: Same.
1191 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1192 * config/mips/mips.h: Same; also define ABI_O64.
1194 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1196 * configure.in: Use AC_PREREQ(2.12.1).
1198 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1200 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1201 * cpplib.c, gcc.c: Likewise.
1202 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1204 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1206 * local-alloc.c (local_alloc): Use malloc not alloca for
1207 reg_qty, reg_offset, ref_next_in_qty.
1209 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1211 * caller-save.c (insert_one_insn): Initialize the live_before and
1212 live_after register sets.
1216 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1217 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1218 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1219 (fp_reg_names, assembler_dialect): New variables.
1220 (print_operand_address): Handle SUBREGs.
1221 (print_operand): Added 'o' case.
1222 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1223 Name of FP registers depends on mode.
1224 (expand_block_move): Emit different code for SH4 hardware.
1225 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1226 (from_compare): Likewise.
1227 (add_constant): New argument last_value. Changed all callers.
1228 (find_barrier): Don't try HImode load for FPUL_REG.
1229 (machine_dependent_reorg): Likewise.
1230 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1231 (gen_far_branch): Emit a barrier after the new jump.
1232 (barrier_align): Don't trust instruction lengths before
1234 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1235 Use auto-inc addressing for fp registers if doubles need to
1236 be loaded in two steps.
1237 Set sh_flag_remove_dead_before_cse.
1238 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1239 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1240 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1241 Support for FIRST_XD_REG .. LAST_XD_REG.
1242 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1243 (sh_expand_epilogue): Likewise.
1244 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1245 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1246 (arith_reg_operand): FPUL_REG is OK for SH4.
1247 (fp_arith_reg_operand, fp_extended_operand) New functions.
1248 (tertiary_reload_operand, fpscr_operand): Likewise.
1249 (commutative_float_operator, noncommutative_float_operator): Likewise.
1250 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1251 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1252 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1253 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1254 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1255 (CONDITIONAL_REGISTER_USAGE): Likewise.
1256 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1257 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1258 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1259 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1260 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1261 to -1 and sh_flag_remove_dead_before_cse to 1.
1262 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1263 (assembler_dialect, fp_reg_names): Declare.
1264 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1265 Hide names of registers that are not accessible.
1266 (CACHE_LOG): Take TARGET_CACHE32 into account.
1267 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1268 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1269 (FIRST_PSEUDO_REGISTER: Now 49.
1270 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1271 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1272 (HARD_REGNO_MODE_OK): Update.
1273 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1274 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1275 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1276 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1277 (NPARM_REGS): Eight floating point parameter registers on SH4.
1278 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1279 in floating point registers.
1280 (GET_SH_ARG_CLASS) Likewise.
1281 Complex float types are also returned in float registers.
1282 (BASE_ARG_REG): Complex float types are also passes in float registers.
1283 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1284 (LIBCALL_VALUE): Remove trailing semicolon.
1285 (ROUND_REG): Round when double precision value is passed in floating
1287 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1288 passed on the stack.
1289 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1290 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1291 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1292 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1293 (MODE_DISP_OK_8): Not for SH4 DFmode.
1294 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1295 Allow indexed addressing for PSImode after reload.
1296 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1297 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1298 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1299 (DOUBLE_TYPE_SIZE): 64 for SH4.
1300 (RTX_COSTS): Add PLUS case.
1301 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1302 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1303 MAC_REGS, PR_REGS, DF_REGS.
1304 (REGISTER_NAMES): Use fp_reg_names.
1305 (enum processor_type): Add PROCESSOR_SH4.
1306 (sh_flag_remove_dead_before_cse): Declare.
1307 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1308 (PREDICATE_CODES): Add binary_float_operator,
1309 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1310 fpscr_operand, noncommutative_float_operator.
1311 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1312 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1313 * sh.md (attribute cpu): Add value sh4.
1314 (attrbutes fmovd, issues): Define.
1315 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1316 (function units memory, int, mpy, fp): Make dependent on issue rate.
1317 (function units issue, single_issue, load_si, load): Define.
1318 (function units load_store, fdiv, gp_fpul): Define.
1319 (attribute hit_stack): Provide proper default.
1320 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1321 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1322 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1323 (mulsi3_call): Now uses match_operand for function address.
1324 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1326 (push, pop, push_e, pop_e): Now define_expands.
1327 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1328 (movsi_ie): Added y/i alternative.
1329 (ic_invalidate_line_i, movdf_i4): New insns.
1330 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1331 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1332 (movdf): Add special code for SH4.
1333 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1334 (call_valuei, calli, call_value): Likewise.
1335 (movsf): Emit no-op move.
1336 (mov_nop, movsi_y): New insns.
1337 (blt, sge): generalize to handle DFmode.
1338 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1339 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1340 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1341 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1342 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1343 (toggle_sz): New insn.
1344 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1345 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1346 (macsf3): Make use of fpscr visible. Disable for SH4.
1347 (floatsisf2): Make use of fpscr visible.
1348 (floatsisf2_i4): New insn.
1349 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1350 (ieee_ccmpeqsf_t): Likewise.
1351 (fix_truncsfsi2): Emit different code for SH4.
1352 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1353 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1354 (negsf2, sqrtsf2, abssf2): Now expanders.
1355 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1356 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1357 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1358 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1359 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1360 (fix_truncdfsi2_i4_2+1): New splitters.
1361 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1362 (extendsfdf2, truncdfsf2): New expanders.
1363 (truncdfsf2_i4): New insn.
1364 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1365 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1366 * float-sh.h: When testing for __SH3E__, also test for
1367 __SH4_SINGLE_ONLY__ .
1368 * va-sh.h (__va_freg): Define to float.
1369 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1370 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1371 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1372 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1374 (TARGET_SH4_P): Define.
1377 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1378 init_expr_once is satisfied about the existence of load / store insns.
1380 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1381 change m constraint in source operand to mr / mf .
1383 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1385 * (__VA_REEF): Define.
1386 (__va_arg_sh1): Use it.
1388 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1390 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1392 * i386/dgux.c (struct option): Add new "description field".
1393 * m88k/m88k.c (struct option): Likewise.
1395 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1397 * version.c: Bump for snapshot.
1399 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1401 * regmove.c (regmove_profitable_p): Use return value of find_matches
1404 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1406 * version.c: Bump for snapshot.
1408 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1410 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1411 without reload having been called earlier.
1413 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1415 (v850_reorg): Similarly.
1417 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1419 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1421 * loop.c (move_movables): Start of libcall might be new loop start.
1423 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1425 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1427 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1429 * function.c (nonlocal_goto_handler_slots): Renamed from
1430 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1431 (push_function_context_to): Adjust for this change.
1432 (pop_function_context_from): Likewise.
1433 (init_function_start): Likewise.
1434 (expand_function_end): Likewise.
1435 * function.h (struct function): Likewise.
1436 * calls.c (expand_call): Likewise.
1437 * explow.c (allocate_dynamic_stack_space): Likewise.
1438 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1439 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1441 (expand_goto): When doing a nonlocal goto, find corresponding handler
1442 slot for it. Don't put the label address in the static chain register.
1443 (expand_end_bindings): Break out nonlocal goto handling code into
1444 three new functions.
1445 (expand_nl_handler_label, expand_nl_goto_receiver,
1446 expand_nl_goto_receivers): New static functions, broken out of
1447 expand_end_bindings and adapted to create one handler per nonlocal
1449 * function.c (delete_handlers): Delete insn if it references any of
1450 the nonlocal goto handler slots.
1451 * i960.md (nonlocal_goto): Comment out code that modifies
1453 * sparc.md (nonlocal_goto): Likewise.
1454 (goto_handler_and_restore_v9): Comment out.
1455 (goto_handler_and_restore_v9_sp64): Comment out.
1457 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1459 * expr.c (STACK_BYTES): Delete unused macro.
1460 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1461 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1462 (expand_call): Likewise.
1463 (emit_library_call): Likewise.
1464 (emit_library_call_value): Likewise.
1465 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1466 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1467 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1468 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1469 (allocate_dynamic_stack_space): Likewise.
1470 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1471 (STACK_BOUNDARY): Update description to reflect the new situation.
1473 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1475 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1476 return with a filled delay slot is followed by a return with an
1477 unfilled delay slot, delete the first return and reemit the insn
1478 that was previously in its delay slot.
1480 * i860.c (single_insn_src_p): Add missing parens.
1481 * ginclude/math-3300.h: Likewise.
1483 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1485 * regclass.c (init_reg_sets_1): Add prototype.
1486 (init_reg_modes): Likewise.
1488 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1490 * c-common.c: Change warning messages to say `comparison is
1491 always true' or `comparison is always false' instead of the
1492 confusing `is always 0', `is always 1'.
1494 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1496 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1497 break instead of return (which loses closing '>').
1499 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1501 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1502 standard 387 constants.
1504 * i386.md (jump): Explicitly set "memory" attribute.
1505 (indirect_jump, prologue_set_stack_ptr): Likewise.
1506 (prologue_get_pc_and_set_got, pop): Likewise.
1507 (allocate_stack_worder, blockage, return_internal): Likewise.
1508 (return_pop_internal, nop): Likewise.
1509 (epilogue_set_stack_ptr, leave): Likewise.
1511 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1513 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1515 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1517 * reload1.c (reload_reg_free_for_value_p):
1518 Early auto_inc reloads don't conflict with outputs.
1520 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1522 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1523 Instead call AC_HEADER_SYS_WAIT.
1525 * collect2.c: Don't provide defaults for sys/wait.h macros.
1527 * protoize.c: Likewise. Also, don't include sys/wait.h.
1529 * system.h: Include sys/wait.h and provide macro defaults.
1531 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1533 * Makefile.in (mandir): Set to @mandir@.
1534 (man1dir): New variable to hold the former value of $(mandir).
1535 Replace all uses of $(mandir) by $(man1dir).
1537 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1539 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1540 a new one before passing it to force_const_mem.
1542 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1543 find_reloads_address call.
1545 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1547 * expr.c (store_expr): Don't generate load-store pair
1548 if TEMP is identical (according to ==) with TARGET.
1550 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1552 * reload1.c (reload_reg_free_for_value_p): When considered reload
1553 has an output, matching inputs are not sufficient to avoid conflict.
1555 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1557 * hash.h (hash_table_key): New type.
1558 (hash_entry): Change `string' field to generic `key'.
1559 (hash_table): Add `comp' and `hash' functions.
1560 (hash_table_init): Take them as input.
1561 (hash_table_init_n): Likewise.
1562 (hash_lookup): Modify for generic keys.
1563 (hash_newfunc): Likewise.
1564 (hash_traverse): Likewise.
1565 (string_hash): New function.
1566 (string_compare): Likewise.
1567 (string_copy): Likewise.
1568 * hash.c (hash_table_init_n): Modify for generic keys.
1569 (hash_table_init): Likewise.
1570 (hash_lookup): Likewise.
1571 (hash_newfunc): Likewise.
1572 (hash_traverse): Likewise.
1573 (string_hash): Split out from hash_lookup.
1574 (string_compare): New function.
1575 (string_copy): Split out from hash_lookup.
1576 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1578 (symbol_hash_lookup): Likewise.
1579 (file_hash_newfunc): Likewise.
1580 (file_hash_lookup): Likewise.
1581 (demangled_hash_newfunc): Likewise.
1582 (demangled_hash_lookup): Likewise.
1583 (tlink_int): Likewise.
1584 (read_repo_file): Likewise.
1585 (recompile_files): Likewise.
1586 (demangle_new_symbols): Likewise.
1587 (scan_linker_output): Likewise.
1589 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1591 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1593 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1595 * rs6000.c (output_mi_thunk): Improve test for local branch.
1597 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1599 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1601 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1603 * reload1.c (reload_reg_free_before_p): Delete.
1604 Changed all callers to use reload_reg_free_for_value_p instead.
1605 (reload_reg_free_for_value_p): Handle more reload types.
1606 A RELOAD_FOR_INPUT doesn't conflict with its
1607 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1608 Add special case for OUT == const0_rtx.
1609 Added ignore_address_reloads argument. Changed all callers.
1611 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1613 * toplev.c (compile_file): Don't pedwarn about undefined static
1614 functions just because we passed -Wunused.
1616 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1618 * function.c (purge_addressof_1): Unshare rtl created by
1621 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1623 * regmove.c (regmove_optimize): Don't do anything but
1624 optimize_reg_copy[123] when flag_regmove is not set.
1626 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1628 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1629 value in paradoxical SImode result, rather than truncating midpoint.
1631 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1633 * alpha.c (reg_not_elim_operand): New.
1634 * alpha.h (PREDICATE_CODES): Add it.
1635 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1636 for the multiplicand.
1638 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1640 * rs6000.md (movsf): Remove explicit secondary-reload-like
1641 functionality. Only truncate SFmode store if in FPR.
1642 (movsf splitters): Combine const_double splitters.
1643 (movsf_hardfloat): Add GPR support.
1645 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1647 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1648 deprecate -mlive-g0 and -mbroken-saverestore.
1649 * t-splet (MULTILIB_OPTIONS): Likewise.
1651 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1652 in a leaf function. Clarify total_size/extra_size relationship.
1654 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1656 * i386/cygwin32.asm: Delete.
1657 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1658 * i386/cygwin32.h: Delete.
1659 * i386/cygwin.h: New file, renamed from cygwin32.h.
1660 * i386/t-cygwin32: Delete.
1661 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1662 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1663 * i386/x-cygwin32: Delete.
1664 * i386/x-cygwin: New file, renamed from x-cygwin32.
1665 * i386/xm-cygwin32: Delete.
1666 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1667 renamed cygwin_ funcs for path translations.
1668 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1669 * i386/winnt.c: Remove "32" from comment about cygwin.
1670 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1671 * rs6000/cygwin32.h: Delete.
1672 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1673 -D__CYGWIN__ to CPP_PREDEFINES.
1674 * rs6000/x-cygwin32: Delete.
1675 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1676 * rs6000/xm-cygwin32: Delete.
1677 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1679 * configure.in: Check for cygwin* instead of cygwin32. Account
1680 for the rename of cygwin-related config files to lose the "32"s.
1681 * configure: Regenerate.
1683 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1684 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1686 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1688 * Makefile.in (JAVAGC): New macro.
1689 * configure: Rebuilt.
1690 * configure.in: Recognize --enable-java-gc argument. Subst
1693 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1695 Handle equivalences that have been obscured by gcse:
1697 * reload1.c (reload): Handle equivalences set up in multiple places.
1698 * local-alloc.c (reg_equiv_init_insns): New variable.
1699 (no_equiv): New function.
1700 (update_equiv_regs): Handle equivalences set up in multiple places.
1701 Don't ignore an insn just because its destination is likely to be
1704 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1706 * except.c (expand_eh_return): Readd force_operand call lost in
1709 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1711 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1713 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1715 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1717 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1719 * regmove.c (regmove_optimize): Fix error in last change.
1721 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1723 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1724 offset in the .mask pseudo to compensate for frame pointer adjustments.
1725 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1726 word swap arguments moved to/from FP registers.
1727 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1729 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1731 * version.c: Bump for snapshot.
1733 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1735 * version.c: Bump for snapshot.
1737 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1739 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1740 times, then it can not be completely replaced.
1742 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1744 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1746 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1748 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1749 (to distinguish it from the macro wrapping ansidecl.h.)
1750 Include libiberty's ansidecl.h. Remove all redundant definitions.
1751 Define the PROTO() style macros in terms of the PARAMS() ones.
1754 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1755 __STDC__, when deciding whether to use ANSI variable args.
1756 (emit_library_call_value): Likewise.
1758 * cccp.c (error): Likewise.
1759 (warning): Likewise.
1760 (error_with_line): Likewise.
1761 (warning_with_line): Likewise.
1762 (pedwarn): Likewise.
1763 (pedwarn_with_line): Likewise.
1764 (pedwarn_with_file_and_line): Likewise.
1767 * cexp.y (error): Likewise.
1768 (pedwarn): Likewise.
1769 (warning): Likewise.
1771 * collect2.c (fatal_perror): Likewise.
1775 * combine.c (gen_rtx_combine): Likewise.
1777 * cpperror.c (cpp_message): Likewise.
1778 (cpp_fatal): Likewise.
1780 * cpplib.c (cpp_error): Likewise.
1781 (cpp_warning): Likewise.
1782 (cpp_pedwarn): Likewise.
1783 (cpp_error_with_line): Likewise.
1784 (cpp_warning_with_line): Likewise.
1785 (cpp_pedwarn_with_line): Likewise.
1786 (cpp_pedwarn_with_file_and_line): Likewise.
1788 * cpplib.h: Don't define PARAMS() macro.
1790 * demangle.h: Likewise.
1792 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1793 when deciding whether to use ANSI variable args.
1795 * emit-rtl.c (gen_rtx): Likewise.
1796 (gen_rtvec): Likewise.
1798 * final.c (asm_fprintf): Likewise.
1800 * fix-header.c (cpp_message): Likewise.
1802 (cpp_fatal): Likewise.
1804 * gcc.c (concat): Likewise.
1808 * genattr.c (fatal): Likewise.
1810 * genattrtab.c (attr_rtx): Likewise.
1811 (attr_printf): Likewise.
1814 * gencodes.c (fatal): Likewise.
1816 * genconfig.c (fatal): Likewise.
1818 * genemit.c (fatal): Likewise.
1820 * genextract.c (fatal): Likewise.
1822 * genflags.c (fatal): Likewise.
1824 * genopinit.c (fatal): Likewise.
1826 * genoutput.c (fatal): Likewise.
1829 * genpeep.c (fatal): Likewise.
1831 * genrecog.c (fatal): Likewise.
1833 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1834 deciding whether to declare `tree_node' and `rtx_def'.
1836 * hash.h: Don't define stuff we get from gansidecl.h.
1838 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1839 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1840 whether to use ANSI variable args.
1843 * prefix.c (concat): Likewise.
1847 * system.h: Likewise.
1849 * toplev.c (error_with_file_and_line): Likewise.
1850 (error_with_decl): Likewise.
1851 (error_for_asm): Likewise.
1854 (warning_with_file_and_line): Likewise.
1855 (warning_with_decl): Likewise.
1856 (warning_for_asm): Likewise.
1857 (warning): Likewise.
1858 (pedwarn): Likewise.
1859 (pedwarn_with_decl): Likewise.
1860 (pedwarn_with_file_and_line): Likewise.
1862 (really_sorry): Likewise.
1864 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1865 whether to declare `tree_node' and `rtx_def'.
1867 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1868 deciding whether to use ANSI variable args.
1869 (build_nt): Likewise.
1870 (build_parse_node): Likewise.
1872 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1874 * version.c: Bump for snapshot.
1876 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1878 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1880 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1882 * collect2.c (main, case 'b'): Use else if.
1884 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1886 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1887 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1888 before the config/ directory headers.
1889 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1890 gansidecl.h in the list of dependencies.
1892 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1893 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1894 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1895 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1896 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1897 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1900 * cccp.c: Don't include gansidecl.h.
1902 * collect2.c: Likewise.
1903 * config/c4x/c4x.c: Likewise.
1904 * config/v850/v850.h: Likewise.
1905 * cppalloc.c: Likewise.
1906 * cpperror.c: Likewise.
1907 * cppexp.c: Likewise.
1908 * cppfiles.c: Likewise.
1909 * cpphash.c: Likewise.
1910 * cpplib.c: Likewise.
1911 * cppmain.c: Likewise.
1912 * cppulp.c: Likewise.
1913 * demangle.h: Likewise.
1914 * doprint.c: Likewise.
1915 * dyn-string.c: Likewise.
1916 * eh-common.h: Likewise.
1917 * fix-header.c: Likewise.
1918 * frame.c: Likewise.
1921 * gen-protos.c: Likewise.
1922 * gencheck.c: Likewise.
1923 * halfpic.h: Likewise.
1925 * machmode.h: Likewise.
1926 * mbchar.c: Likewise.
1927 * prefix.c: Likewise.
1928 * protoize.c: Likewise.
1929 * recog.h: Likewise.
1931 * scan-decls.c: Likewise.
1933 * varray.h: Likewise.
1935 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
1937 * i386.md (call_value_pop): If we're not popping anything,
1938 defer to call_value.
1939 (call_pop): Likewise defer to call.
1941 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
1943 * function.c (purge_addressof): Clear purge_addressof_replacements
1944 only after processing the whole function.
1946 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
1948 * reload1.c (reload): If we can not perform a particular elimination
1949 when we thought we could earlier, then we must always iterate through
1950 the loop at least one more time.
1952 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
1954 * alpha.c (add_operand): Simplify the CONST_INT match.
1955 (sext_add_operand): Correct typo in comparison by using
1956 CONST_OK_FOR_LETTER_P.
1957 * alpha.md (s?addq): Use sext_add_operand to allow the negative
1958 constant alternatives to be generated.
1959 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
1960 small constants, since the hw instructions do.
1962 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1964 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
1965 previous insn to store directly into our reload register, make sure
1966 that if the source of the previous insn is a reload register, its
1967 spill_reg_store and spill_reg_stored_to values are cleared.
1969 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
1971 * rs6000.md (floatunssidf2_internal splitter): Use base register
1972 operand, not hard-coded SP.
1974 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1976 * jump.c (calculate_can_reach_end): Fix thinko.
1978 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
1980 * reorg.c (fill_simple_delay_slots): Fix typo.
1982 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
1984 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
1986 * i386.md (extendsidi2): Use # in the output template.
1987 (extendsidi splitters): New splitters.
1989 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
1991 * configure.in: Use unknown-elf.h as tm_file for arm-elf
1993 * configure: Regenerate.
1995 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1997 * jump.c (init_label_info, delete_barrier_successors,
1998 mark_all_labels, delete_unreferenced_labels,
1999 delete_noop_moves, calculate_can_reach_end): New functions broken
2000 out of jump_optimize.
2001 (jump_optimize): Use them.
2003 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2005 * except.c (expand_fixup_region_end): Make sure outer context labels
2006 are not issued in an inner context during cleanups.
2008 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2010 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2013 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2015 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2016 to expose this midpoint to CSE.
2018 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2020 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2022 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2024 * configure.in: Bring over gcc2 change of Nov 19 1997.
2026 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2028 * toplev.c (output_lang_identify): Make definition dependent on
2029 ASM_IDENTIFY_LANGUAGE.
2031 * print-rtl.c (spaces): Make static.
2033 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2035 * extend.texi: Clarify proper uses for register clobbers in asms.
2037 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2039 * recog.h (enum op_type): Define.
2040 (constrain_operands): Adjust prototype.
2041 (recog_op_type): Declare new variable.
2042 * recog.c (recog_op_type): New variable.
2043 (insn_invalid_p): Allow modifying an asm statement after reload.
2044 (extract_insn): Set up recog_op_type.
2045 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2046 Don't compute operand types, use recog_op_type.
2047 Use the information computed by extract_insn instead of the previous
2048 method of finding it by insn code number.
2049 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2050 * reorg.c (fill_slots_from_thread): Likewise.
2051 * reload1.c (reload_as_needed): Likewise.
2052 (gen_reload): Likewise.
2053 (inc_for_reload): Likewise.
2054 (reload_cse_simplify_operands): Likewise.
2055 Use the information computed by extract_insn instead of the previous
2056 method of finding it by insn code number.
2057 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2059 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2060 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2061 Use the information computed by extract_insn instead of the previous
2062 method of finding it by insn code number.
2063 * regmove.c (find_matches): Likewise. Change meaning of the return
2064 value to be nonzero if the optimization can be performed, zero if
2065 not. All callers changed.
2066 Shorten some variable names to fix formatting problems.
2067 (regmove_optimize): Shorten some variable names to fix formatting
2069 Use the information computed by extract_insn instead of the previous
2070 method of finding it by insn code number.
2071 * regclass.c (scan_one_insn): Likewise.
2072 (record_reg_classes): Don't compute operand types, use recog_op_type.
2073 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2074 recog_constraints instead.
2076 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2078 * rtl.h (flow2_completed): Declare.
2079 * flow.c (flow2_completed): Definition.
2080 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2083 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2085 * Makefile.in (libcpp.a): Ranlib libcpp.a
2087 * cppulp.c (user_label_prefix): Initialize.
2089 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2091 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2092 at a RETURN if current_function_sp_is_unchanging is set.
2094 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2096 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2098 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2100 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2101 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2102 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2103 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2104 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2105 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2107 (LIB_SPEC): Handle -mno-cyginw option.
2108 (LINK_SPEC): Handle -mdll.
2110 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2112 * reload.c (find_reloads): Fix test for usage by other reload
2113 to handle secondary reloads properly.
2115 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2117 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2118 intermediate structure which has exactly the members provided by
2119 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2120 static intermediate structure.
2122 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2123 from the intermediate structure. Do the same analogous fix in
2124 the case where ELIMINABLE_REGS is not defined.
2126 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2128 * pa.h (SELECT_SECTION): Fix thinko.
2130 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2132 * dwarf2out.c (output_call_frame_info): Comments on last change.
2134 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2136 * arm.c (add_constant): When taking the address of an item in the
2137 pool, get the mode of the item addressed.
2139 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2140 contain a SET or a PARALLEL, don't consider it for conditional
2143 Restore ABI compatibility for NetBSD.
2144 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2146 (RETURN_IN_MEMORY): Likewise.
2148 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2150 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2151 (m32r_output_block_move): Rewrite bytes < 4 handling.
2153 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2155 * configure.in: Call AC_FUNC_VFORK.
2157 * collect2.c: Define VFORK_STRING as a printable string for
2158 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2159 defined, include vfork.h. If VMS is defined, define vfork()
2160 appropriately. Remove vfork check on USG, we're using autoconf.
2161 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2162 checking locally what string to pass.
2163 (scan_prog_file): Likewise.
2164 (scan_libraries): Likewise.
2166 * gcc.c: Remove vfork check on USG, we're using autoconf.
2167 Besides, no calls to vfork/fork occur in this file.
2169 * protoize.c: Likewise.
2171 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2173 * configure.in (DEFAULT_LINKER): renamed from LD
2174 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2175 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2176 * configure: rebuilt
2178 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2180 * BUGS: fix the regexp for `more' to find the appropriate node.
2181 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2183 * BUGS: added link to the WWW FAQ
2185 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2187 * version.c: Bump for snapshot.
2189 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2191 * From Christian Gafton:
2192 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2193 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2194 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2196 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2198 * c-common.c (c_get_alias_set): Allow all type-punning through
2199 unions. Don't get confused about the type of a bit-field, despite
2200 the antics of build_modify_expr.
2202 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2204 * fixinc.sco: Paramaterize #include_next values.
2205 * fixinc/fixinc.sco: Likewise.
2207 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2209 * toplev.c (rest_of_compilation): No longer set reload_completed.
2210 * reload1.c (reload): Set it here. Perform instruction splitting
2211 after reload has completed if we will be running the scheduler
2214 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2216 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2217 EH region if exceptions are enabled and we're performing cross
2219 (find_cross_jump): Exit loop if the insns are in different EH regions.
2221 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2223 * dwarf2out.c (output_call_frame_info): Use
2224 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2226 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2228 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2229 * c-common.c (check_format_info): Don't check for the 'x'
2230 format character twice, instead check for 'x' and 'X'
2232 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2234 * configure.in (assembler features): Also make gas is configured if
2235 we find it in the souce tree.
2237 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2239 * i386.c (i386_comp_type_attributes): Compare whether the
2240 attributes are defined, not their tree nodes.
2242 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2244 * configure.in (gxx_include_dir): bitten by autoconf quoting
2246 * configure: rebuilt
2248 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2250 * configure.in: Ignore non-absolute value in $AS.
2252 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2254 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2256 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2258 * configure.in (msdosdjgpp): Set exeext and target_alias.
2260 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2262 * flow.c (XNMALLOC): New macro.
2263 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2265 (add_edge, add_edge_to_label): New static functions.
2266 (free_bb_memory): New function.
2267 (flow_delete_insn): Delete function.
2268 (basic_block_drops_in): Delete variable.
2269 (find_basic_blocks): Allocate and initialize basic_block_head,
2270 basic_block_succ. Don't allocate basic_block_drops_in.
2271 Call free_bb_memory at the beginning.
2272 (find_basic_blocks_1): Don't do multiple passes.
2273 Delete code to compute basic_block_drops_in.
2274 After calling make_edges, mark blocks reached by current block live.
2275 Update test for unreachable live blocks.
2276 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2278 Simplify to call add_edge_to_label when a LABEL_REF is found.
2279 (make_edges): Simplify to call add_edge_to_label instead of
2280 mark_label_ref most of the time.
2281 Compute here whether control drops into the next block.
2282 (delete_unreachable_blocks): Return void. All callers changed.
2283 Delete unreachable blocks in reverse order.
2284 After deleting all unreachable blocks, renumber the remaining ones
2285 and update n_basic_blocks.
2286 (delete_block): Speed up deletion a bit.
2287 Don't set basic_block_drops_in for deleted blocks.
2288 (free_basic_block_vars): Don't free basic_block_drops_in.
2289 (life_analysis_1): Update to use new edge representation.
2290 (dump_flow_info): Delete code to print basic block info; call
2291 dump_bb_data instead.
2292 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2293 and uid_block_number.
2294 Simply copy the previously computed cfg.
2295 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2296 Print register lifetime information if LIVE_INFO is nonzero.
2297 * basic-block.h (dump_bb_data): Adjust prototype.
2298 * gcse.c (gcse_main): Update call to dump_bb_data.
2299 * rtl.h (free_bb_memory): Declare.
2300 * toplev.c (rest_of_compilation): Call free_bb_memory.
2302 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2303 (update_eliminable_offsets): Don't compute it.
2304 (set_initial_elim_offsets): Don't initialize it.
2305 Break out some code into set_initial_label_offsets so the rest of
2306 this function can be called from reload_as_needed.
2307 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2308 ELIMINABLE_REGS isn't.
2309 (set_initial_label_offsets): New function, broken out of
2310 set_initial_elim_offsets.
2311 (set_offsets_for_label): New function, broken out of set_label_offsets
2312 and reload_as_needed.
2313 (reload): Call the two new functions.
2314 (reload_as_needed): Call set_initial_elim_offsets instead of
2315 duplicating the code. Likewise for set_offsets_for_label.
2317 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2318 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2319 any hard reg, reg_reloaded_dead contains valid data.
2321 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2323 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2324 "stdcall" and "cdecl" attributes.
2326 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2328 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2329 handle deleted no-op moves of hard registers.
2330 * haifa-sched.c (update_flow_info): Likewise.
2332 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2334 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2335 of the sequences to reload the HILO register which do not actually
2338 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2340 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2342 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2344 * except.c (emit_eh_context): Make the EH context register stay alive
2345 at -O0 so stupid.c doesn't get confused.
2347 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2349 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2351 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2352 Jeffrey A Law (law@cygnus.com)
2354 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2355 (zero_extendsidi2): Use # in output template and handle completely by
2357 (zero_extend splitters): New define_splits.
2358 (ashiftrt_32): New pattern.
2360 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2362 * tree.c (append_random_chars): New fn.
2363 (get_file_function_name_long): Use it.
2365 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2367 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2368 (LIBCPP_OBJS): New. Add cppulp.o.
2369 (cppmain, fix-header): Depend on and use libcpp.a.
2370 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2371 of the individual object files.
2372 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2375 * cccp.c (user_label_prefix): New.
2376 (main): Set it off -f*leading-underscore.
2377 (special_symbol): Use it.
2378 * cpplib.c (special_symbol): Likewise.
2379 (cpp_handle_option): Handle -f*leading-underscore.
2380 * cppulp.c: New file.
2382 * output.h (user_label_prefix): Declare it.
2383 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2384 * toplev.c (f_options, main): Handle -f*leading-underscore.
2386 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2387 referencing USER_LABEL_PREFIX directly.
2388 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2389 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2390 * final.c (asm_fprintf): Use user_label_prefix instead.
2391 * arm/thumb.c (thumb_print_operand): Likewise.
2393 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2394 cpp wherever appropriate.
2396 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2398 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2399 specific compiler switches.
2401 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2403 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2406 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2408 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2409 structure which has exactly the members provided by EXTRA_SPECS.
2410 Xmalloc() the real `extra_specs', and initialize it from this
2411 intermediate structure.
2413 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2415 * mips.h (EXTRA_SPECS): Likewise.
2417 * sparc.h (EXTRA_SPECS): Likewise.
2419 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2421 * function.c (purge_addressof_1): Instead of aborting when a
2422 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2423 work just put the ADDRESSOF on stack. Otherwise remember all such
2424 successfull replacements, so that exactly the same replacements
2425 can be made on the REG_NOTEs. Remove the special case for CALL
2427 (purge_addressof_replacements): New variable.
2428 (purge_addressof): Clear it at end.
2430 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2432 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2433 (lang_init): Call check_newline always.
2434 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2435 cpp_start_read, set yy_cur and yy_lim to read from
2436 parse_in.token_buffer, so that we'll see the first #line
2438 * cpplib.c (cpp_start_read): finclude the main input file
2439 before processing -include/-imacros. Process -imacros and
2440 -include separately, and handle -include by stacking a
2441 buffer for the file in question as if it'd been #included.
2442 * toplev.c (documented_lang_options) Recognize -H when
2445 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2447 * cpplib.c: Merge do_once into do_pragma. Break file handling
2448 code out of do_include.
2449 Move append_include_chain, deps_output,
2450 file_cleanup, redundant_include_p, import_hash,
2451 lookup_import, add_import, read_filename_string, read_name_map,
2452 open_include_file, finclude, safe_read to cppfiles.c.
2453 Move prototypes for deps_output, append_include_chain,
2454 finclude to cpplib.h. Move definition of struct
2455 file_name_list there also.
2457 * cppfiles.c: New file. Contains all the above functions
2458 broken out of cpplib.c; also hack_vms_include_specification
2459 from cccp.c and find_include_file, a new function broken out of
2462 * Makefile.in (cppmain): Depend on cppfiles.o.
2463 (fix-header): Likewise.
2464 (cppfiles.o): New target.
2465 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2466 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2468 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2470 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2471 if pending_types is non-zero.
2472 (dwarfout_finish): Verify pending_types is zero before finishing.
2474 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2476 * expr.c (convert_move): Use shifts to perform the move if a
2477 suitable extend pattern cannot be found. Code written by
2478 Richard Henderson <rth@cygnus.com>.
2480 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2482 * regclass.c (renumber, regno_allocated): New static variables, moved
2483 out of allocate_reg_info.
2484 (allocate_reg_info): Move these two variables outside the function.
2485 Move code to free memory into new function free_reg_info.
2486 (free_reg_info): New function, broken out of allocate_reg_info.
2487 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2488 * rtl.h (allocate_reg_info): Don't declare.
2489 (free_reg_info): Declare.
2491 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2493 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2495 * toplev.c (compile_file): Temporarily revert last change.
2497 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2499 * c-typeck.c (convert_for_assignment): Parenthesize.
2501 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2503 * reload1.c (delete_output_reload): Avoid ambigous else.
2505 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2507 * toplev.c (compile_file): Call allocate_reg_info to free register
2509 * rtl.h (allocate_reg_info): Declare.
2511 * PROJECTS: Remove entry for local spilling.
2513 * final.c (cleanup_subreg_operands): New function.
2514 (final_scan_insn): Use it.
2515 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2517 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2518 operands when reload has finished.
2519 * reload.h (cleanup_subreg_operands): Declare..
2520 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2521 reload. Handled in reload itself.
2523 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2525 * reload1.c (verify_initial_offsets): New function.
2526 (reload): Call it after reload_as_needed. Also verify that the frame
2527 size stays constant during reload_as_needed.
2528 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2530 * reload.h (struct insn_chain): Add need_operand_change element.
2531 * reload1.c (new_insn_chain): Clear it.
2532 (calculate_needs_all_insns): Set it; don't overload need_reload.
2533 (reload_as_needed): Use it.
2535 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2536 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2537 and reload_address_index_reg_class.
2538 (find_reloads_address_1): Likewise.
2539 * reload.h (reload_address_base_reg_class,
2540 reload_address_index_reg_class): Don't declare.
2541 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2542 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2543 (used_spill_regs): Now static.
2544 (reload_address_base_reg_class, reload_address_index_reg_class,
2545 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2546 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2547 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2550 (init_reload): Delete code to compute base/index reg classes.
2551 (reload): Delete variable J.
2552 Delete code to manage basic_block_needs.
2553 Don't compute regs_explicitly_used.
2554 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2555 pseudo_previous_regs.
2556 Initialize bad_spill_regs_global.
2557 Don't call order_regs_for_reload here.
2558 Don't initialize spill_reg_order and n_spills.
2559 Don't forbid explicitly used regs to be used for spill regs.
2560 Change main loop to infinite loop, with explicit break statements.
2561 Make SOMETHING_CHANGED variable local to that loop.
2562 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2563 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2564 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2566 Don't call dump_needs.
2567 Delete code to reset potential_reload_regs.
2568 Delete code to terminate loop conditional on the global needs variables
2569 showing no further needs.
2570 (calculate_needs_all_insns): Return void. All callers changed.
2571 Initialize somehing_needs_elimination here, not in reload.
2572 Delete avoid_return_reg kludge.
2573 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2574 All callers changed.
2575 Initialize the group_mode and group_size elements of the arg CHAIN.
2576 Delete code to manage basic_block_needs.
2577 Operate on elements of CHAIN instead of global variables.
2578 Delete avoid_return_reg kludge.
2579 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2580 All callers changed.
2581 Operate on elements of CHAIN instead of global variables.
2582 Delete special SMALL_REGISTER_CLASSES code.
2583 Delete spill_failure code; now in new_spill_reg.
2584 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2585 All callers changed.
2586 Operate on elements of CHAIN instead of global variables.
2587 (maybe_mark_pseudo_spilled): New static function.
2588 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2589 All callers changed.
2590 Operate on elements of CHAIN instead of global variables.
2591 Call order_regs_for_reload here, not in reload.
2592 Initialize spill_reg_order and n_spills.
2593 Simplify test whether an asm insn is involved.
2594 Delete spill_failure code; now in new_spill_reg.
2595 Call maybe_mark_pseudo_spilled for everything marked as live in
2596 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2598 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2599 compiler from optimizing this function (now unused) away.
2600 Operate on elements of CHAIN instead of global variables.
2601 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2603 Operate on elements of CHAIN instead of global variables.
2604 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2605 take CHAIN arg. All callers changed.
2606 Operate on elements of CHAIN instead of global variables.
2607 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2608 CHAIN, NONGROUP args. Return void. All callers changed.
2609 Verify caller isn't trying to spill a pseudo.
2610 Simplify test for illegal reg, just use bad_spill_regs.
2611 Generate better error messages.
2612 Operate on elements of CHAIN instead of global variables.
2613 Mark spilled register in CHAIN's used_spill_regs element.
2614 Don't call spill_hard_reg.
2615 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2616 Mark spilled hard regs in bad_spill_regs_global.
2617 Mark affected pseudos in spilled_pseudos, but don't spill them.
2618 (ior_hard_reg_set): New static function.
2619 (finish_spills): Return int. All callers changed.
2620 Compute spill_reg_order, n_spills and spill_regs here. Also update
2621 regs_ever_live for regs used as spills.
2622 For every pseudo in spilled_pseudos, spill it and mark the previous
2623 hard reg it had in pseudo_previous_regs. Compute which hard regs
2624 arseudo): New static function.
2625 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2626 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2627 hard registers explicitly used across the current insn into the set.
2628 Compute hard_reg_n_uses taking only pseudos live across this insn
2630 Tweak sorting of potential_reload_regs.
2631 (compare_spill_regs): Delete function.
2632 (reload_as_needed): Don't sort the spill_regs array, it's computed
2633 in proper order in finish_spills.
2634 Delete avoid_return_reg kludge.
2635 Delete code to manage basic_block_needs.
2636 (allocate_reload_reg): Minor speed/readability tweaks.
2637 Operate on elements of CHAIN instead of global variables.
2638 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2639 Delete avoid_return_reg kludge.
2640 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2641 Delete unused label FAIL.
2642 (reload_combine): Replce reload_address_index_reg_class with
2644 Don't use used_spill_regs to determine information about lifetime of
2647 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2649 * toplev.c (display_help): Ignore empty target specific
2650 options, and if -W is also specified on the command line then
2651 display undocumented options.
2653 * config/arm/arm.c: Updated with changes in devo sources.
2654 * config/arm/arm.h: Updated with changes in devo sources.
2655 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2656 * config/arm/lib1thumb.asm: Add ELF support.
2658 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2660 * collect2.c (aix64_flag): New variable.
2661 (main, case 'b'): Parse it.
2662 (GCC_CHECK_HDR): object magic number must match mode.
2663 (scan_prog_file): Only check for shared object if valid header.
2664 Print debugging if header/mode mismatch.
2666 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2668 Added support for arm-elf-linux configuration, submitted by Philip
2669 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2670 code developed by Catherine Moore <clm@cygnus.com>. The following
2673 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2676 * configure: Regenerated.
2678 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2679 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2680 definitions conditional on their not having been already defined.
2682 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2683 and .type directives, and add "(PLT)" qualification to function
2686 * config/arm/linux.h: Deleted. This file is now superceeded by
2687 either linux-elf.h or linux-aout.h.
2689 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2690 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2692 Move definitions from old linux.h file here.
2694 * config/arm/elf.h: New file. Generic ARM/ELF support.
2696 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2698 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2700 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2701 using the 26bit APCS.
2703 * config/arm/unknown-elf.h: New file. Support for OS'es other
2704 than Linux with ELF.
2706 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2709 * config/arm/coff.h: Include aout.h for basic assembler macros.
2710 Add support for -mstructure_size_boundary=<n> command line option.
2712 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2713 command line option. Make macro definitions conditional on their
2714 not having been already defined.
2716 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2717 command line option.
2720 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2722 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2723 has been changed to not include a newline. Use this macro instead.
2724 (output_enumeral_list, const_value_attribute, name_attribute,
2725 comp_dir_attribute, prototyped_attribute, producer_attribute,
2726 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2727 dwarfout_file_scope_decl, generate_new_sfname_entry,
2728 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2729 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2731 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2733 * combine.c (subst): Process the inputs to a parallel asm_operands
2736 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2738 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2740 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2742 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2744 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2746 * version.c: Bump for snapshot.
2748 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2750 * stmt.c (expand_fixup): Set fixup->before_jump to a
2751 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2753 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2755 * Makefile.in (recog.o): Depend on toplev.h.
2756 (insn-emit.o): Depend on recog.h.
2757 (insn-peep.o): Depend on recog.h and insn-config.h.
2759 * combine.c (simplify_set): Remove unused variable `scratches'.
2761 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2762 and `idx' in macro conditional controlling their use.
2764 * genemit.c (main): Make the generated output file include
2765 recog.h. Don't have it declare `insn_operand_constraint', since
2766 we get it from recog.h.
2768 * genpeep.c (main): Make the generated output file include
2769 insn-config.h and recog.h.
2771 * recog.c: Include toplev.h.
2772 (extract_insn): Remove unused variable `p'.
2774 * regclass.c (fix_register): Add missing braces around initializer
2776 (allocate_reg_info): Move variable `i' into the scope where it is
2777 used. Change its type to `size_t'.
2779 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2781 * reload.c (push_reload): When merging reloads, make sure
2782 that reload_in_reg and reload_in are from the same reload in
2785 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2787 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2788 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2790 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2792 * loop.c (loop_has_tablejump): New variable.
2793 (prescan_loop): Scan for it.
2794 (insert_bct): Replace explicit scan with use of it.
2795 * regclass.c (regclass): Restore loop variable j.
2796 (record_reg_classes): Deterine op_types modifiers and initialize
2797 classes[i] before matching constraints. Handle matching
2800 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2802 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2805 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2807 * mips.h (EXTRA_SPECS): Add missing initializers.
2809 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2811 * sparc.h (EXTRA_SPECS): Add missing initializers.
2812 (sparc_defer_case_vector): Provide a prototype.
2814 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2815 comparing it to the result of a pointer subtraction.
2817 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2819 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2820 the argument to (unsigned char).
2822 * alpha.h (EXTRA_SPECS): Add missing initializers.
2823 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2826 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2828 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2829 (propagate_block): Delete dead code after reload.
2831 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2832 back Oct 15, 1998 change.
2833 * haifa-sched.c (update_flow_info): Likewise.
2834 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2836 * mn10200.md (truncated shift): Accept constant inputs too.
2838 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2840 * machmode.h (mode_mask_array): No longer const.
2841 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2843 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2845 * frame.c: Somewhat explain `FDE'.
2846 Suggested by Brendan Kehoe
2848 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2850 * expr.c (pending_chain): Move up.
2851 (save_expr_status): Do save pending_chain.
2852 (restore_expr_status): And restore it.
2853 * function.h (struct function): Add pending_chain.
2855 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2857 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2858 did not match the code.
2860 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2862 * regclass.c (regclass): Break out some code into new function
2863 scan_one_insn, and into regclass_init.
2864 (init_cost): New static variable, moved out of regclass.
2865 (regclass_init): Initialize it here, not in .
2866 (scan_one_insn): New static function, broken out of regclass.
2867 * recog.c (apply_change_group): Break out some code into new
2868 function insn_invalid_p.
2869 (insn_invalid_p): New static fn, broken out of apply_change_group.
2871 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2873 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2874 reg_reloaded_contents matches incremented pseudo.
2876 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2878 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2880 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2881 addressing modes with side effects. These are currently
2882 placeholders for the C4x target.
2884 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2886 * loop.c (express_from): Make sure that when generating a PLUS of
2887 a PLUS, any constant expression appears on the outermost PLUS.
2889 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2891 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2892 works if "$(srcdir)" != ".".
2894 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2896 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2897 existing SUBREG if we can, otherwise abort.
2899 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2901 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2902 `restrict' is applied to a non-pointer variable.
2904 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2906 * invoke.texi: Document -flang-isoc9x.
2908 * Makefile.in (OBJS): Add splay-tree.o.
2909 (c-common.o): Depend on rtl.h.
2910 (splay-tree.o): List dependencies and provide build rule.
2912 * rtl.h (record_alias_subset): New function.
2913 * alias.c: Include splay-tree.h.
2914 (alias_set_entry): New type.
2915 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2916 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2917 (mems_in_disjoin_alias_sets_p): New function.
2918 (alias_set_compare): Likewise.
2919 (insert_subset_children): Likewise.
2920 (get_alias_set_entry): Likewise.
2922 * tree.h (TYPE_RESTRICT): New macro.
2923 (TYPE_UNQUALIFIED): New manifest constant.
2924 (TYPE_QUAL_CONST): Likewise
2925 (TYPE_QUAL_VOLATILE): Likewise.
2926 (TYPE_QUAL_RESTRICT): Likewise.
2927 (tree_type): Add restrict_flag. Reduce count of free bits.
2928 (DECL_POINTER_ALIAS_SET): New macro.
2929 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
2930 (tree_decl): Add pointer_alias_set.
2931 (build_qualified_type): New function.
2932 (build_type_variant): Define in terms of build_qualified_type.
2933 * tree.c (set_type_quals): New function.
2934 (make_node): Initializae DECL_POINTER_ALIAS_SET.
2935 (build_type_attribute_variant): Use build_qualified_type and
2937 (build_type_variant): Rename, and modify, to become...
2938 (build_qualified_type): New function.
2939 (build_complex_type): Use set_type_quals.
2941 * c-tree.h (C_TYPE_OBJECT_P): New macro.
2942 (C_TYPE_FUNCTION_P): Likewise.
2943 (C_TYPE_INCOMPLETE_P): Likewise.
2944 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
2945 (c_apply_type_quals_to_decl): New function.
2946 (c_build_qualified_type): New function.
2947 (c_build_type_variant): Define in terms of c_build_qualified_type.
2948 (flag_isoc9x): Declare.
2949 * c-typeck.c (qualify_type): Use c_build_qualified_type.
2950 (common_type): Change to use TYPE_QUALS.
2951 (comptypes): Likewise.
2952 (convert_for_assignment): Likewise.
2953 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
2954 * c-decl.c (flag_isoc9x): Define.
2955 (c_decode_option): Handle -flang-isoc9x.
2956 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
2957 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
2958 * c-lex.c (init_lex): Deal with restrict.
2959 (init_lex): Don't treat restrict as a reserved word in
2960 -traditional mode, or without -flang-isoc9x.
2961 * c-lex.h (rid): Add RID_RESTRICT.
2962 * c-parse.gperf (restrict, __restrict, __restrict__): Make
2963 equivalent to RID_RESTRICT.
2964 * c-parse.in (TYPE_QUAL): Update comment.
2965 * c-common.c: Include rtl.h.
2966 (c_find_base_decl): New function.
2967 (c_build_type_variant): Rename, and modify, to become ...
2968 (c_build_qualified_type): New function.
2969 (c_apply_type_quals_to_decl): Likewise.
2970 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
2971 a particular alias set for the reference.
2972 * toplev.c (documented_lang_options): Add -flang-isoc9x.
2974 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
2976 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
2977 command line switches.
2979 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
2981 * reload.c (loc_mentioned_in_p): Add missing braces to bind
2984 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
2986 * gcc.c (option_map): Added --classpath and --CLASSPATH.
2988 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
2990 * regclass.c (fix_register): Add error message.
2991 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
2994 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2996 * c-decl.c (warn_missing_noreturn): New global variable.
2997 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
2998 (finish_function): Implement missing noreturn warning.
3000 * c-tree.h (warn_missing_noreturn): Declare extern.
3002 * invoke.texi: Document new flags.
3004 * toplev.c (documented_lang_options): Add description.
3006 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3008 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3009 loop optimization stable for the C4x.
3010 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3011 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3012 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3014 (c4x_address_conflict): Be more paranoid when packing a volatile
3015 memref in a parallel load/store.
3017 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3019 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3020 repeat_block_filler): Deleted.
3021 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3022 Condition code not set if destination register from 'c' class.
3023 (*subbqi3_carry_clobber): Fix typo.
3025 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3027 * reorg.c (steal_delay_list_from_target) Check for insns that
3028 modify the condition codes and effect the direction of the jump
3031 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3033 * function.c (purge_addressof_1): Replace call to
3034 emit_insns_before() with emit_insn_before().
3036 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3038 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3040 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3042 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3044 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3046 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3047 clobbered across calls.
3049 * loop.c (scan_loop): Be more selective about what invariants are
3050 moved out of a loop.
3052 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3054 * version.c: Bump for snapshot.
3056 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3058 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3059 static eh_context structure.
3061 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3063 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3065 (try_combine): Don't update max_scratch.
3066 * flow.c (max_scratch, num_scratch): Delete variables.
3067 (life_analysis_1): Don't initialize max_scratch.
3068 (propagate_block): Don't update max_scratch.
3069 (mark_set_1): Don't increment num_scratch.
3070 * regs.h (max_scratch): Delete declaration.
3072 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3074 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3075 is nonzero. This is temporary!
3077 * sched.c (update_flow_info): Handle death notes made invalid by
3078 instruction splitting. Partially reverts Oct 15, 1998 patch.
3079 * haifa-sched.c (update_flow_info): Likewise.
3081 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3083 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3084 if it has a nonzero DECL_INITIAL.
3086 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3088 * Makefile.in (flow.o): Depend on recog.h.
3090 * cpplib.h (directive_table): Add missing initializiers.
3091 (finclude): Change type of variable `bsize' to size_t.
3093 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3095 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3097 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3098 `int' when comparing against one.
3099 (cpp_file_line_for_message): Mark parameter `pfile' with
3101 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3103 * flow.c: Include recog.h.
3104 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3106 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3107 `f' with ATTRIBUTE_UNUSED.
3108 (reposition_prologue_and_epilogue_notes): Likewise.
3110 * genopinit.c (gen_insn): Cast argument of ctype functions to
3113 * haifa-sched.c: Include recog.h.
3114 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3115 comparing against one.
3117 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3119 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3121 (parse_ent): Likewise.
3122 (parse_input): Likewise.
3124 * optabs.c (init_libfuncs): Likewise.
3126 * protoize.c (find_rightmost_formals_list): Likewise.
3128 * recog.h (const_double_operand): Fix typo in prototype.
3130 * tlink.c (scan_linker_output): Cast the argument of ctype
3131 function to `unsigned char'.
3133 * toplev.c (check_lang_option): Cast the result of `strlen' to
3134 `int' when comparing against one.
3136 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3138 * gcse.c (dump_cuid_table): Correct typo.
3140 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3142 * toplev.c (display_help): Prepend '-m' to target specific
3144 (check_lang_option): Ignore text after end of first word of a
3145 language specific option.
3147 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3149 * reload1.c (reg_used_by_pseudo): New static variable.
3150 (choose_reload_regs): Initialize it.
3151 Use it instead of testing spill_reg_order to determine whether a
3152 pseudo is live in a hard register across the current insn.
3153 Fix a typo in a reference to reload_reg_rtx.
3155 * flow.c (propagate_block): Replace code that computes and uses
3156 regs_sometimes_live with simpler code that just walks the set of
3157 currently live registers.
3159 * Makefile.in (insn-extract.o): Fix dependencies.
3160 * genextract.c (main): Generate includes for insn-config.h and
3162 Delete generation of declarations which are now in recog.h.
3163 * genrecog.c (main): Delete generation of definitions which are
3165 * local-alloc.c (block_alloc): Use extract_insn and the variables
3166 it sets up instead of looking up values by insn_code.
3167 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3168 recog_dup_num): Define here instead of generating the definition in
3170 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3171 recog_operand_mode, recog_constraints, recog_operand_address_p):
3173 (extract_insn): New function.
3174 * recog.h (extract_insn): Declare function.
3175 (which_alternative, recog_n_operands, recog_n_dups,
3176 recog_n_alternatives, recog_operand_mode, recog_constraints,
3177 recog_operand_address_p): Declare variables.
3178 * regclass.c (n_occurrences): New static function.
3179 * reload.c (n_occurrences): Delete function.
3180 (find_reloads): Use extract_insn.
3181 * reload.h (n_occurrences): Delete declaration.
3183 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3185 * reload1.c (reload_as_needed): Fix test for when to call
3186 update_eliminable_offsets.
3188 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3190 Fix consistency problems with reg_equiv_{mem,address};
3191 Improve reload inheritance;
3193 * reload.c (reload_out_reg): New variable.
3194 (loc_mentioned_in_p, remove_address_replacements): New functions.
3195 (remove_replacements): Deleted.
3196 (push_reload): Set reload_out_reg[i].
3197 When merging, also set reload_{in,out}_reg[i], and remove
3198 duplicate address reloads.
3199 (combine_reloads): Copy reload_out_reg[i].
3200 (find_reloads): Do make_memloc substitution also when
3201 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3203 Include *recog_operand_loc in commutativity operand changes.
3204 Generate optional output reloads.
3205 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3206 processing operands. Call make_memloc in reg_equiv_address code.
3207 Set *recog_operand_loc only after processing operands, and only
3208 if replace is true. Return a value.
3209 When changing address reload types for operands that didn't get
3210 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3211 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3212 Don't emit USEs for pseudo SUBREGs when not replacing.
3213 (find_reloads_address): Do make_memloc substitution also when
3214 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3216 (find_reloads_toplev): Likewise.
3217 Call make_memloc in reg_equiv_address code.
3218 (debug_reload_to_stream): Add code to output reload_out_reg.
3219 (make_memloc): Delete local variable i, ifdefed out code, and
3220 references to memlocs and n_memlocs.
3221 (memlocs, n_memlocs): Delete.
3222 (push_secondary_reload): Clear reload_out_reg.
3223 (find_reloads_address_1): Provide memrefloc argument to all calls
3224 to find_reloads_address.
3225 In AUTO_INC code, handle non-directly addressable equivalences properly.
3226 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3227 (find_reloads): Add return type.
3228 (remove_address_replacements, deallocate_reload_reg): Declare.
3229 * reload1.c (num_not_at_initial_offset): No longer static.
3230 (delete_address_reloads, delete_address_reloads_1): Likewise.
3231 (deallocate_reload_reg): New function.
3232 (spill_reg_stored_to): New array.
3233 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3234 (eliminate_regs_in_insn): Move assignments of previous_offset and
3235 max_offset fields, and recalculation of num_not_at_initial_offset
3236 into new static function:
3237 (update_eliminable_offsets) .
3238 (reload_as_needed): Call update_eliminable_offsetss after calling
3240 Call forget_old_reloads_1 with contents of reloaded auto_inc
3241 expressions if the actual addressing can't be changed to match the
3243 (choose_reload_regs): For inheritance, replace
3244 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3245 remove stand-alone reload_reg_used_at_all test.
3246 Use reload_out_reg to determine which reload regs have output reloads.
3247 Treat reload_override_in more similar to inherited reloads.
3248 Handle (subreg (reg... for inheritance.
3249 For flag_expensive_optimizations, add an extra pass to remove
3250 unnecessary reloads from known working inheritance.
3251 Delete obsolete code for pseudos replaced with MEMs.
3252 Handle inheritance from auto_inc expressions.
3253 (emit_reload_insns): If reload_in is a MEM, set OLD to
3255 Don't reload directly from oldequiv; if it's a pseudo with a
3256 stack slot, use reload_in[j].
3257 Check that reload_in_reg[j] is a MEM before replacing reload_in
3258 from reg_reloaded_contents.
3259 Include non-spill registers in reload inheritance processing.
3260 Also try to use reload_out_reg to set spill_reg_store /
3261 reg_last_reload_reg.
3262 In code to set new_spill_reg_store, use single_set to find out if
3263 there is a single set.
3264 Add code that allows to delete optional output reloads.
3265 Add code to allow deletion of output reloads that use no spill reg.
3266 At the end, set reload_override_in to oldequiv.
3267 Also call delete_output_reload if reload_out_reg is equal to old
3269 Add code to call delete_output_reload for stores with no matching load.
3270 Set / use spill_reg_stored_to.
3271 Handle case where secondary output reload uses a temporary, but
3272 actual store isn't found.
3273 When looking for a store of a value not loaded in order to call
3274 delete_output_reload, count_occurences should return 0 for no
3275 loads; but discount inherited input reloadill_reg_stored_to.
3276 Do checks for extra uses of REG. Changed all
3278 Use delete_address_reloads.
3279 (reload): Take return value of find_reloads into account.
3280 If a no-op set needs more than one reload, delete it.
3281 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3282 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3283 for the same operand.
3284 (clear_reload_reg_in_use): Check for other reloads that keep a
3286 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3287 RELOAD_FOR_OPADDR_ADDR.
3288 Take into account when an address address reload is only needed
3289 for the address reload we are considering.
3290 (count_occurrences): Use rtx_equal_p for MEMs.
3291 (inc_for_reload): Return instruction that stores into RELOADREG.
3292 New argument two, IN, and rtx. Changed all callers.
3293 (calculate_needs_all_insns, reload_as_needed):
3294 Don't clear after_call for a CLOBBER.
3295 Keep track of how many hard registers need to be copied from
3296 after_call, and don't clear after_call before we have seen
3297 that much copies, or we see a different instruction.
3299 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3301 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3302 after reload has completed.
3304 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3306 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3307 a macro name and the next token with a single blank if that whitespace
3308 is in a macro buffer and the next token is not '('.
3310 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3312 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3314 (skip_if_group): Ditto.
3315 (skip_to_end_of_comment): Ditto.
3317 (discard_comments): Ditto.
3318 (change_newlines): Ditto.
3320 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3322 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3324 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3326 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3327 (TARGET_OPTIONS): Add --help documentation.
3329 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3331 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3333 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3335 * fixinc/* Moved in from ../contrib directory in preparation
3336 for integrating it into the normal build process. In particular,
3337 fixinc/Makefile.in must be config-ed into the build directory
3338 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3339 ./configure.in will be "in the mail" momentarily.
3341 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3343 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3344 accidently walk into the free list. Comment how that can happen.
3345 (invalidate): Fix indentation.
3347 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3348 Jeffrey A Law (law@cygnus.com)
3350 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3351 reload. Never perform rescans of the insn chain after reload.
3352 (propagate_block): Do not delete insn or create new autoinc addressing
3355 * jump.c (jump_optimize): Unconditionally use the code that was
3356 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3357 * reload1.c (reload): When reloading is finished, delete all
3358 REG_DEAD and REG_UNUSED notes.
3359 (emit_reload_insns): Delete all code that was conditional on
3360 PRESERVE_DEATH_INFO_REGNO_P.
3361 (no_longer_dead_regs): Delete variable.
3362 (reload_cse_delete_death_notes): Delete function.
3363 (reload_cse_no_longer_dead): Delete function.
3364 (reload_cse_regs_1): Delete all code to handle deletion of death
3366 (reload_cse_noop_set_p): Likewise.
3367 (reload_cse_simplify_set): Likewise.
3368 (reload_cse_simplify_operands): Likewise.
3369 (reload_cse_move2add): Likewise.
3370 * reorg.c (used_spill_regs): Delete declaration.
3371 (max_label_num_after_reload): Delete declaration.
3372 (find_dead_or_set_registers): Don't assume that spill regs are
3373 dead at a CODE_LABEL.
3374 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3376 * sched.c (sched_analyze_insn): Likewise.
3377 (update_flow_info): Likewise.
3378 * haifa-sched.c (sched_analyze_insn): Likewise.
3379 (update_flow_info): Likewise.
3380 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3381 * toplev.c (max_label_num_after_reload): Delete variable.
3382 (rest_of_compilation): Don't set max_label_num_after_reload.
3383 Call life_analysis after reload_cse_regs if optimizing.
3384 * config/gmicro/gmicro.h: Delete comment referring to
3385 PRESERVE_DEATH_INFO_REGNO_P.
3386 * config/i386/i386.h: Likewise.
3387 * config/m88k/m88k.h: Likewise.
3388 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3389 * config/sh/sh.h: Likewise.
3391 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3393 * loop.c (strength_reduce): Restore marking bct_p as
3395 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3396 HAVE_decrement_and_branch_on_count.
3397 (small_data_operand): Remove TARGET_ELF condition for marking
3398 parameters ATTRIBUTE_UNUSED.
3400 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3402 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3403 (SELECT_SECTION): Resync with svr4.h.
3405 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3407 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3410 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3412 * c-pragma.c (handle_pragma_token): Test for null tree before
3413 dereferencing TREE_CODE.
3415 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3417 * config/c4x/c4x.c: Convert to use GEN_INT.
3418 (c4x_parallel_process): Rework to handle new repeat loop structure.
3420 * config/c4x/c4x.md: Convert to use GEN_INT.
3421 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3422 (decrement_and_branch_on_count): Likewise.
3424 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3425 loop.c has the desired functionality.
3426 (rc_reg_operand): New prototype.
3428 * config/c4x/t-c4x: Can now build all front ends.
3430 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3432 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3434 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3436 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3437 * config/t-rtems: Do not install assert.h -- use newlib's.
3439 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3441 * combine.c (combine_instructions): When finished, call init_recog.
3442 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3444 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3446 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3448 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3450 * cppalloc.c (memory_full): Mark function prototype with
3453 * demangle.h (collect_exit): Likewise.
3455 * fix-header.c (v_fatal, fatal): Likewise.
3457 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3460 * gcov.c (print_usage): Likewise.
3462 * genattr.c (fatal, fancy_abort): Likewise.
3464 * genattrtab.c (fatal, fancy_abort): Likewise.
3466 * gencodes.c (fatal, fancy_abort): Likewise.
3468 * genconfig.c (fatal, fancy_abort): Likewise.
3470 * genemit.c (fatal, fancy_abort): Likewise.
3472 * genextract.c (fatal, fancy_abort): Likewise.
3474 * genflags.c (fatal, fancy_abort): Likewise.
3476 * genopinit.c (fatal, fancy_abort): Likewise.
3478 * genoutput.c (fatal, fancy_abort): Likewise.
3480 * genpeep.c (fatal, fancy_abort): Likewise.
3482 * genrecog.c (fatal, fancy_abort): Likewise.
3484 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3485 __sjpopnthrow, __throw): Likewise.
3487 * objc/objc-act.c (objc_fatal): Likewise.
3489 * protoize.c (usage, aux_info_corrupted,
3490 declare_source_confusing): Likewise.
3492 * rtl.c (dump_and_abort): Likewise.
3494 * rtl.h (sets_cc0_p): Likewise.
3496 * toplev.c (float_signal, pipe_closed): Likewise.
3498 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3500 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3501 when generating the decision tree for the general case.
3503 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3504 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3506 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3508 * Makefile.in (sched.o): Depend on recog.h.
3510 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3511 (unsigned) when comparing against one.
3512 (find_base_value): Likewise.
3513 (record_base_value): Cast variable `regno' to (unsigned) when
3514 comparing against one. Cast the result of REGNO() macro to
3515 (unsigned) when comparing against one.
3516 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3518 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3519 variable where an unsigned index is needed.
3521 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3522 before comparing against one.
3524 * collect2.c: Add prototypes for functions `error', `fatal' and
3525 `fatal_perror'. Make these functions take variable arguments
3526 instead of faking it with a fixed number of args.
3527 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3530 * combine.c (can_combine_p): Mark parameter `pred' with
3532 (find_split_point): Cast variable `src' to (unsigned
3533 HOST_WIDE_INT) when comparing against one.
3534 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3535 (simplify_logical): Likewise.
3536 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3537 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3538 HOST_WIDE_INT) in shift.
3539 (simplify_and_const_int): Cast result of INTVAL() macro to
3540 `unsigned HOST_WIDE_INT' when comparing against one.
3541 (merge_outer_ops): Cast variable const0 to `unsigned
3542 HOST_WIDE_INT' when comparing against the result of
3543 GET_MODE_MASK() macro.
3544 (simplify_comparison): Likewise for variable `c0'. Cast variable
3545 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3546 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3547 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3548 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3549 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3550 comparing against one.
3551 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3553 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3554 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3555 (output_block_move): Cast `sizeof' expression to (int) when
3556 comparing against one.
3557 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3559 (save_restore_insns): Cast `base_offset' to `long' to match format
3560 specifier in fprintf.
3562 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3563 to `enum machine_mode'.
3565 * flow.c (life_analysis_1): Remove unused variable `insn'.
3567 * gcc.c (translate_options): Move variables `j' and `k' into the
3568 scope in which they are used. Change their types to `size_t'.
3569 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3570 (read_specs): Likewise.
3571 (process_command): Cast `sizeof' to (int) when comparing against one.
3572 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3573 (handle_braces): Cast both sides of `==' expression to `long' to
3574 ensure sign matching.
3575 (main): Cast variable `i' to `int' when comparing against one.
3577 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3578 int to size_t. Cast variable `i' to size_t when comparing against
3581 * genattrtab.c (convert_set_attr_alternative): Remove unused
3582 parameter `insn_code'. All callers changed.
3583 (convert_set_attr): Likewise.
3585 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3586 size_t when comparing against one. Likewise for variable `len'.
3588 * global.c (global_alloc): Cast variable `max_regno' to size_t
3589 when comparing against one. Likewise for variable `max_allocno'.
3591 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3593 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3594 `set' with ATTRIBUTE_UNUSED.
3595 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3598 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3599 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3600 (get_condition): Cast variable `const_val' to `unsigned
3601 HOST_WIDE_INT' when comparing against one. Cast unsigned
3602 expression to HOST_WIDE_INT when comparing against one.
3603 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3604 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3605 `unsigned' when comparing against one.
3607 * protoize.c (is_id_char): Change type of parameter `ch' to
3609 (munge_compile_params): Cast argument of ctype macro to (const
3611 (process_aux_info_file): Cast variable `aux_info_size' to int when
3612 comparing against one.
3613 (forward_to_next_token_char): Cast argument of ctype macro to
3614 `const unsigned char'.
3615 (edit_formals_lists): Likewise.
3616 (find_rightmost_formals_list): Likewise.
3617 (add_local_decl): Likewise.
3618 (add_global_decls): Likewise.
3619 (edit_fn_definition): Likewise.
3620 (do_cleaning): Likewise.
3621 (scan_for_missed_items): Likewise.
3622 (edit_file): Cast variable `orig_size' to (int) when comparing
3624 (main): Cast argument of ctype macro to `const unsigned char'.
3626 * recog.c (const_int_operand): Mark parameter `mode' with
3629 * regclass.c (record_reg_classes): Change type of variable `c' to
3630 `unsigned char'. Cast `char' array index to `unsigned char'.
3632 * reload.c (push_secondary_reload): Cast argument to
3633 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3635 * reload1.c (calculate_needs): Cast `char' array index to
3637 (set_label_offsets): Change type of variable `i' to unsigned int.
3638 Cast result of XVECLEN() macro to unsigned when comparing against
3640 (mark_not_eliminable): Change type of variable `i' to unsigned.
3641 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3642 when comparing against one.
3643 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3644 comparing against one.
3645 (choose_reload_regs): Hide unused label `fail'.
3646 (reload_cse_simplify_operands): Cast `char' array index to
3648 (reload_combine_note_store): Mark parameter `set' with
3649 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3651 (reload_cse_move2add): Remove unused variable `src2'.
3653 * sched.c: Include recog.h.
3654 (sched_note_set): Remove unused parameter `b'. All callers
3656 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3657 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3658 when comparing against one.
3660 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3661 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3662 comparing against one.
3664 * unroll.c (precondition_loop_p): Remove unused parameter
3665 `loop_end'. All callers changed.
3667 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3669 * reload1.c (maybe_fix_stack_asms): New static function.
3672 * reload.h (compute_use_by_pseudos): Declare.
3674 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3675 (something_needs_reloads): Delete variable.
3676 (finish_spills): New function.
3677 (compute_use_by_pseudos): New function.
3679 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3680 Use the reload_insn_chain instead of walking the rtl directly.
3682 (reload): Allocate and free spilled_pseudos.
3683 Ensure that all calls of spill_hard_reg are followed by a call to
3685 Use the insns_need_reload list instead of something_needs_reloads
3686 to find out if reload_as_needed must be called.
3687 Clear unused_insn_chains at the end.
3689 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3691 Delete code to keep track of current basic block.
3692 Walk reload_insn_chain instead of the rtl structure. Build the
3693 insns_need_reload chain.
3694 Remember which insns need reloading/elimination by setting the
3695 appropriate fields in struct insn_chain, not by putting modes on the
3698 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3699 arg INSN. All callers changed.
3700 Delete declaration of struct needs.
3701 Don't set something_needs_reloads.
3702 Record insn needs in the CHAIN argument.
3704 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3706 (reload_as_needed): Lose FIRST arg. All callers changed.
3707 Walk the reload_insn_chain instead of the rtx structure.
3708 Delete code to keep track of current basic block.
3709 Rename one of the NEXT variables to OLD_NEXT.
3711 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3713 (choose_reload_regs): Likewise.
3715 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3718 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3719 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3720 (hard_regs_live, hard_regs_need_restore): Delete variables.
3721 (n_regs_saved): Now static.
3722 (referenced_regs, this_insn_sets): New variables.
3724 (setup_save_areas): Restructure the code a bit.
3726 (restore_referenced_regs): Delete function.
3727 (mark_referenced_regs): New function, similar to the old
3728 restore_referenced_regs, but mark registers in referenced_regs.
3730 (clear_reg_live): Delete function.
3731 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3732 Only mark registers in this_insn_sets.
3734 (save_call_clobbered_regs): Rework this function to walk the
3735 reload_insn_chain instead of using the list of instructions directly.
3736 Delete code to keep track of register lives, compute live regs on the
3737 fly from information in the chain.
3738 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3739 then walk the set it computes and call insert_restore as appropriate.
3741 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3743 Restructure the code a bit. Test hard_regs_saved instead of
3744 hard_regs_need_restore.
3745 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3746 args. All callers changed.
3747 Restructure the code a bit. Use TO_SAVE to determine which regs to
3748 save instead of more complicated test.
3749 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3751 Create a new insn_chain structure for the new insn and place it
3754 * rtl.texi: Update documentation to reflect that reload no longer
3755 puts modes on the insns.
3757 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3759 * function.c (purge_addressof_1): Force the first argument of a
3760 CALL insn to memory.
3762 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3764 * rtl.h: Delete duplicate prototypes. Add some missing
3766 * rtlanal.c: (for_each_rtx): Formatting tweak.
3768 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3770 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3771 to be compatible with TI compiler.
3773 * Makefile.in (USER_H): Add va-c4x.h to definition.
3775 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3777 * function.c (purge_addressof_1): Fix typo in inequality: do
3778 bitfield optimization for equal mode sizes.
3779 * expmed.c (store_bit_field): Don't take subregs of subregs in
3780 the movstrict case. Tidy a potential problem in the multi-word case.
3781 (extract_bit_field): Likewise.
3783 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3785 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3787 Compute max_uid_for_flow by calling get_max_uid after the scan.
3788 (find_basic_blocks_1): Don't emit NOPs here.
3790 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3792 * alias.c (base_alias_check): Accept new args for the modes of the
3793 two references. Use them to determine if an AND can overlap. Update
3795 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3796 to determine if an AND can overlap.
3798 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3800 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3801 check. Add comment to document problems with TARGET_SUN_FPA version
3803 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3805 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3807 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3809 * c-common.c (print_char_table): Add missing initializers.
3810 (scan_char_table): Likewise.
3811 (time_char_table): Likewise.
3813 * c-decl.c (c_decode_option): Mark parameter `argc' with
3815 (declare_parm_level): Mark parameter `definition_flag' with
3818 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3819 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3822 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3824 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3826 (expand_call): Cast result of MIN() to (unsigned int) when
3827 comparing against an unsigned value.
3829 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3831 (make_definition): Remove unused parameter `op'. All callers
3833 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3834 comparing against the result of pointer arithmetic.
3836 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3837 when comparing against one.
3839 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3840 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3842 (output_die): Move variable `i' into the scope in which it is
3843 used. Change its type to `unsigned'.
3844 (output_die): Cast the result of `strlen' to (int) when passing it
3845 to ASM_OUTPUT_ASCII().
3846 (output_pubnames): Likewise.
3847 (output_line_info): Likewise.
3849 * emit-rtl.c (global_rtl): Add missing initializers.
3851 * explow.c (promote_mode): Mark parameter `for_call' with
3854 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3855 `unsigned HOST_WIDE_INT' when comparing against one.
3856 (synth_mult): Change type of variable `cost' to int.
3857 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3859 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3860 when comparing against one.
3861 (get_inner_reference): Change variable `alignment' to unsigned.
3862 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3863 int) when comparing against one.
3864 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3866 * fold-const.c (div_and_round_double): Cast BASE to
3867 (HOST_WIDE_INT) when comparing against one.
3869 * gencheck.c: Include gansidecl.h.
3870 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3872 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3873 `tcode' with ATTRIBUTE_UNUSED.
3875 * real.c (edivm): Cast constant value to (unsigned long) in
3876 expression compared against an unsigned value.
3878 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3879 comparing against one.
3880 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3881 when comparing against one.
3883 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3884 (unsigned int) when comparing against one. Likewise for
3886 (smallest_mode_for_size): Likewise.
3887 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3888 (restore_storage_status): Likewise.
3890 * toplev.c (debug_args): Add missing initializer.
3891 (f_options): Spelling correction. Add missing initializers.
3892 (documented_lang_options): Likewise.
3893 (debug_end_source_file): Mark parameter `lineno' with
3896 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3897 `decl' and `type' with ATTRIBUTE_UNUSED.
3899 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3900 when comparing against one.
3901 (assemble_variable): Mark parameter `top_level' with
3903 (assemble_external_libcall): Mark parameter `fun' with
3905 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3908 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3910 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3911 Replace use of r5 with use of r19.
3913 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3915 * config/v850/v850.c (compute_register_save_size): Allow for the
3916 fact that helper functions save all registers, not just those used
3919 Replace constant 31 with macro LINK_POINTER_REGNUM.
3921 * config/v850/v850.md: Use 'indirect_operand' rather than
3922 'memory_operand' for bit test/set/clear patterns.
3924 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
3926 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
3927 * varasm.c (assemble_start_function et al): Don't call
3928 ASM_GLOBALIZE_LABEL for weak symbols.
3930 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
3932 * cse.c (equiv_constant): Check for NULL return from
3933 gen_lowpart_if_possible().
3935 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
3937 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
3939 * collect2.c (main): Pass -EL/-EB through to the compiler.
3941 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3943 * expr.c (push_block): Handle targets where the stack grows
3944 to higher addresses, but args grow to lower addresses and
3945 ACCUMULATE_OUTGOING_ARGS is not defined.
3947 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
3949 * config/v850/v850.c (print_operand): Extend meaning
3950 of 'c' operands to support .vtinherit.
3952 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3954 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
3955 Added ATTRIBUTE_UNUSED to unused function arguments.
3956 (rc_reg_operand): New predicate.
3957 (c4x_rptb_insert): New function.
3958 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
3959 (c4x_optimization_options): New function.
3961 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
3962 (decrement_and_branch_on_count): New pattern.
3963 (rptb_top): Modified pattern to work with BCT optimization.
3965 * config/c4x/c4x.h (RC_REG): New register class.
3966 (rc_reg_operand): Define prototype.
3967 (IS_RC_REG): New macro.
3968 (IS_RC_OR_PSEUDO_REG): New macro.
3969 (IS_RC_OR_PSEUDO_REGNO): New macro.
3970 (OPTIMIZATION_OPTIONS): Define.
3972 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
3974 * collect2.c (extract_init_priority): No priority is 65535.
3976 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3978 * Makefile.in (build_tooldir): new variable, same as old
3979 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
3980 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
3981 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
3983 * configure.in (gxx_include_dir): set default based on unlibsubdir
3984 * Makefile.in (tooldir): ditto
3985 (cccp.o, cpplib.o): use unlibsubdir implicitly through
3986 gxx_include_dir, includedir and tooldir
3987 (protoize.o, unprotoize.o): ditto
3989 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
3991 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
3993 * config/arm/thumb.c (thumb_override_options): Add warning about
3994 PIC code not being supported just yet.
3996 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
3998 * flow.c: Update comment.
3999 (notice_stack_pointer_modification): New static function.
4000 (record_volatile_insns): Use it.
4001 (mark_regs_live_at_end): Mark the stack pointer as alive
4002 at the end of the function if current_function_sp_is_unchanging
4004 (life_analysis_1): Set current_function_sp_is_unchanging.
4005 * function.c: Define it.
4006 (init_function_start): Initialize it.
4007 * output.h: Declare it.
4008 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4009 the stack pointer as alive at the end of the function if
4010 current_function_sp_is_unchanging is set.
4011 * i386.c (ix86_epilogue): Optimize the restoring
4012 of the stack pointer.
4014 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4016 * version.c: Bump for snapshot.
4018 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4020 * c-pragma.c (handle_pragma_token): If passed a token instead
4021 of a tree, use that as the pack value.
4023 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4025 * flow.c (find_basic_blocks_1): Fix prototype.
4027 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4029 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4030 (struct tree_decl): New fields no_check_memory_usage.
4031 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4032 (init_attributes): Register it as a new attribute.
4033 (decl_attributes): Set flags on functions given that attribute.
4034 * c-decl.c (duplicate_decls): Merge new attribute.
4035 * expr.h (current_function_check_memory_usage): Declare new var.
4036 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4037 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4038 current_function_check_memory_usage.
4039 * function.h: Add field to struct function.
4040 * function.c (current_function_check_memory_usage): Define it.
4041 (push_function_context_to, pop_function_context_from): Save and
4043 (expand_function_start): Set it, based on global flag and function
4046 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4047 check non-automatic variables, to permit detection of writes to
4048 read-only locations in embedded systems without memory management.
4049 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4050 when emitting chkr_set_right_libfunc call, even if the argument is
4051 BLKmode or variable-sized; don't abort.
4053 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4054 symbols in Pmode, not VOIDmode.
4056 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4058 * cppexp.c: When forcing unsigned comparisons, cast both sides
4061 * cpphash.h: Move static declaration of hashtab[]...
4062 * cpphash.c: ...here.
4064 * cpplib.c: Cast difference of two pointers to size_t before
4065 comparing it to size_t. Cast signed to unsigned
4066 before comparing to size_t. (FIXME: struct argdata should use
4067 unsigned buffer sizes.)
4068 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4069 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4070 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4071 size_t before comparison.
4073 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4075 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4076 (find_basic_blocks_1): Similarly.
4077 * output.h (find_basic_blocks): Fix prototype.
4078 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4079 find_basic_blocks anymore.
4081 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4083 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4084 (sbitmap_free, sbitmap_vector_free): New macros.
4085 * output.h (rtl_dump_file): Declare.
4087 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4089 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4091 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4093 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4095 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4096 (divide): Remove unused variable `tmp'.
4097 (si_to_float): Cast numeric constant to (SItype) before comparing
4100 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4102 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4103 * gcc.c (add_preprocessor_option): Correct typo when allocating
4104 memory, sizeof() argument had one too many `*'.
4105 (add_assembler_option): Likewise.
4106 (add_linker_option): Likewise.
4107 * gcov.c (output_data): Likewise.
4108 * local-alloc.c (memref_used_between_p): Likewise.
4109 (update_equiv_regs): Likewise.
4110 * loop.c (strength_reduce): Likewise.
4111 * reg-stack.c (record_asm_reg_life): Likewise.
4112 (subst_asm_stack_reg): Likewise.
4113 * reorg.c (dbr_schedule): Likewise.
4115 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4117 * flow.c (life_analysis_1): Break out some functions.
4118 (find_basic_blocks_1): Likewise. Also move some variables out and
4120 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4121 new static var nonlocal_label_list with it.
4122 (active_eh_region, nested_eh_region, label_value_list,
4123 nonlocal_label_list): New static variables.
4124 (make_edges, delete_unreachable_blocks, delete_block): New static
4125 functions, broken out of find_basic_blocks_1.
4126 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4127 noop_move_p): New static functions, broken out of life_analysis_1.
4129 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4131 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4132 Take extra care for op0 now possibly being a subreg.
4133 (extract_bit_field): Likewise.
4134 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4135 the reg to memory if there is no equal sized integral mode.
4136 * stor-layout.c (int_mode_for_mode): New function.
4137 * machmode.h: Prototype it.
4139 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4141 * global.c (build_insn_chain): Verify no real insns exist past the
4142 end of the last basic block, then exit the loop.
4144 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4146 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4148 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4150 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4152 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4154 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4156 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4158 * flow.c (find_basic_blocks): Correctly determine when a call
4159 is within an exception region.
4161 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4163 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4165 * cpplib.h: Protect from multiple inclusions.
4166 * cpplib.c: Fix minor formatting problems.
4168 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4170 * jump.c (jump_optimize): Revert accidental patch.
4172 * Makefile.in (cpplib.o): Use unlibsubdir.
4174 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4176 * loop.c (get_condition): Allow combine when either compare is
4179 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4181 * version.c: Bump for snapshot.
4183 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4185 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4186 (init_lex): Initialize ridpointers[RID_BYREF].
4187 * c-lex.h (enum rid): Add RID_BYREF.
4188 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4189 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4190 (encode_type_qualifiers): Similarly
4191 * c-gperf.h: Rebuilt.
4193 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4195 * c-common.c (type_for_mode): Only return TItype nodes when
4196 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4197 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4198 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4199 (init_decl_processing): Only create TItype nodes when
4200 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4201 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4202 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4204 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4206 * stmt.c (n_occurrences): New static function.
4207 (expand_asm_operands): Verify that all constrains match in the
4208 number of alternatives.
4209 Verify that '+' or '=' are at the beginning of an output constraint.
4210 Don't allow '&' for input operands.
4211 Verify that '%' isn't written for the last operand.
4212 * reload.c (find_reloads): Abort if an asm is found with invalid
4213 constraints; all possible problems ought to be checked for earlier.
4215 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4217 * flags.h (flag_branch_on_count_reg): Always declare
4218 * toplev.c (flag_branch_on_count_reg): Likewise.
4219 * toplev.c: Fix typos.
4221 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4224 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4226 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4228 (find_basic_blocks_1): Add a nop to the end of a basic block when
4229 a trailing call insn does not have abnormal control flow.
4230 * gcse.c (pre_transpout): New variable.
4231 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4232 (compute_pre_transpout): Calculate it.
4233 (compute_pre_ppinout): Use it to eliminate impossible placements
4234 due to abnormal control flow through calls.
4235 (compute_pre_data): Call compute_pre_transpout.
4237 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4239 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4241 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4243 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4244 and matching define_insns): Tack on a `use' of the table label, so
4245 flow analysis will recognize a tablejump.
4247 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4249 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4250 always end basic blocks for abnormal edge reasons.
4252 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4254 * config/i386/i386.h: Remove definition of
4255 HANDLE_PRAGMA_PACK_PUSH_POP.
4257 * config/i386/go32.h: Add definition of
4258 HANDLE_PRAGMA_PACK_PUSH_POP.
4260 * config/i386/win32.h: Add definition of
4261 HANDLE_PRAGMA_PACK_PUSH_POP.
4263 * config/i386/cygwin32.h: Add definition of
4264 HANDLE_PRAGMA_PACK_PUSH_POP.
4266 * c-pragma.c (insert_pack_attributes): Do not insert
4267 attributes unless #pragma pack(push,<n>) is in effect.
4269 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4271 * expr.c (emit_group_store): Handle a PARALLEL destination.
4273 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4275 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4276 the new insns before the argument regs are loaded.
4278 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4280 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4281 (c-parse.gperf): Update comments describing invocation flags.
4282 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4284 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4286 * reload1.c (reload): Call free before clobbering the memory
4287 locations or constants pointers.
4289 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4291 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4292 for efficiency by checking whether we need to modify the current
4293 stack permission at all.
4294 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4295 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4296 __enable_execute_stack libcall here too if
4297 TRANSFER_FROM_TRAMPOLINE is defined.
4298 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4301 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4303 * Makefile.in (DRIVER_DEFINES): Remove last change.
4305 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4307 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4308 insns we're going to copy.
4309 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4311 * loop.c (count_one_set): Add prototype.
4313 * caller-save.c (restore_referenced_regs): Lose mode argument.
4314 (insert_save): Lose mode argument.
4315 (insert_restore): Lose mode argument.
4316 (insert_one_insn): Lose mode argument.
4317 (save_call_clobbered_regs): Lose mode argument.
4318 (setup_save_areas): Take no argument and return void. All callers
4320 Don't verify validity of memory addresses.
4321 * reload.h (setup_save_ares): Adjust prototype.
4322 (save_call_clobbered_regs): Likewise.
4323 * reload1.c (delete_caller_save_insns): New function.
4324 (caller_save_spill_class): Delete variable.
4325 (caller_save_group_size): Delete variable.
4326 (reload): Call setup_save_areas and save_call_clobbered_regs
4327 in the main loop, before calling calculate_needs_all_insns.
4328 Don't call save_call_clobbered_regs after the loop.
4329 Call delete_caller_save_insns at the end of an iteration if
4331 Delete code to manage caller_save_spill_class.
4332 Emit the final note before setting reload_first_uid.
4333 Simplify test that determines whether reload_as_needed gets run.
4334 (calculate_needs): Delete code to manage caller_save_spill_class.
4336 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4338 * collect2.c (main): Initialize ld_file_name.
4340 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4342 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4343 check for flag_function_sections.
4345 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4347 * cse.c (insert_regs): Fix bug in Sep 24 change.
4349 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4351 * flags.h (flag_dump_unnumbered): Declare.
4352 * toplev.c (flag_dump_unnumbered): Don't declare.
4353 * print-rtl.c (flags.h): Include.
4354 (print_rtl_single): Add return value.
4355 * rtl.h (print_rtl_single): Update declaration.
4356 * flow.c (flag_dump_unnumbered): Don't declare.
4357 (print_rtl_with_bb): Use return value of print_rtl_single.
4359 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4361 * loop.c (count_one_set): New static function, broken out of
4363 (count_loop_regs_set): Call it.
4364 * global.c (mark_reg_store): Handle clobbers here by not calling
4366 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4367 is in fact a clobber.
4368 * integrate.c (process_reg_param): New function, broken out of
4369 expand_inline_function.
4370 (expand_inline_function): Call it.
4373 * i386.md (addsidi3_1): Delete unused variable temp.
4374 (addsidi3_2): Likewise.
4375 (clstrstrsi): Delete unused variable addr1.
4377 * rtl.h: Don't declare any functions also declared in recog.h.
4379 * Makefile.in (stupid.o): Update dependencies.
4380 (global.o): Likewise.
4382 * global.c: Include reload.h
4383 (reg_becomes_live): New function.
4384 (reg_dies): New function.
4385 (build_insn_chain): New function.
4386 (global_alloc): Call build_insn_chain before calling reload.
4388 * reload.h (struct needs): New structure definition.
4389 (struct insn_chain): Likewise.
4390 (reload_insn_chain): Declare variable.
4391 (new_insn_chain): Declare function.
4394 * reload1.c (reload_startobj): New variable.
4395 (reload_insn_chain): New variable.
4396 (unused_insn_chains): New variable.
4397 (new_insn_chain): New function.
4398 (init_reload): Initialize reload_startobj, not reload_firstobj.
4399 (reload): Initialize reload_firstobj.
4400 Before returning, free everything on the reload_obstack.
4402 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4403 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4404 current_chain): New variables.
4405 (reg_where_born): Delete variable.
4406 (REG_WHERE_BORN): New macro.
4407 (find_clobbered_regs): New function.
4408 (stupid_life_analysis): Don't allocate/free reg_where_born.
4409 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4410 reg_where_dead_chain.
4411 Use REG_WHERE_BORN instead of reg_where_born.
4412 While processing the insns, build the reload_insn_chain with
4413 information about register lifetimes.
4414 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4415 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4417 Compute and information about birth and death of pseudo registers in
4418 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4419 Delete code to set elements of reg_where_born.
4421 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4423 * tree.def (GOTO_EXPR): Modified documentation.
4424 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4427 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4429 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4430 loop_final_value, loop_comparison_code): No longer static.
4431 (unroll_loop): Delete loop_start_value update.
4432 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4433 loop_final_value, loop_comparison_code): Extern.
4434 (loop_start_value): Delete extern.
4435 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4436 loop_comparison_value, loop_comparison_code): Delete.
4437 (loop_optimize): Remove initialization for deleted variables.
4438 (strength_reduce): Delete analyze_loop_iterations call. Only call
4439 insert_bct if flag_branch_count_on_reg set.
4440 (analyze_loop_iterations): Delete.
4441 (insert_bct): Remove iteration count calculation. Move checks for
4442 viable BCT optimization to here. Obtain iteration count from
4443 loop_iterations and correct for unrolling. Check for enough
4444 iteration to be beneficial. Comment out runtime iteration count
4446 (insert_bct): Print iteration count in dump file. Remove
4447 loop_var_mode and use word_mode directly.
4449 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4450 * rs6000.c (rs6000_override_options): Use it.
4451 (optimization_options): Enable use of flag_branch_on_count_reg.
4452 * rs6000.md (define_function_unit): Describe 604e.
4454 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4456 * loop.c (move_movables): Corrected threshold calculation for
4457 moved_once registers.
4459 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4461 * loop.c (combine_givs_p): Fix test for identical givs.
4463 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4465 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4466 call abort if the function is already defined.
4468 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4470 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4471 truncation is not a no-op.
4473 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4475 * version.c: Bump for snapshot.
4477 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4479 * version.c: Bump for snapshot.
4481 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4483 * expmed.c (expand_divmod): Don't widen for computing remainder
4484 if we seem to have a divmod pattern for needed mode.
4486 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4488 * cpplib.c (macroexpand): Correct off-by-one error in handling
4491 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4493 * combine.c (expand_field_assignment): Don't do bitwise operations
4494 on MODE_FLOAT; pun to MODE_INT if possible.
4496 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4497 scott snyder <snyder@d0sgif.fnal.gov>
4499 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4500 linker. Recognize mangled names in quotes.
4502 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4504 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4505 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4506 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4507 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4509 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4511 * function.c (purge_addressof_1): If trying to take a sub-word
4512 integral piece of a floating point mode, put it on the stack.
4514 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4516 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4518 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4520 * PROJECTS: Remove template friends.
4522 * collect2.c (sort_ids): Remove unused variable.
4524 * tm.texi (MATH_LIBRARY): Document.
4525 (NEED_MATH_LIBRARY): Remove.
4527 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4528 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4530 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4532 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4533 last_end to 0x7fffffff.
4535 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4537 * function.c (purge_addressof_1): Do not perform endianness
4538 corrections on bitpos, who we call will do it for us.
4540 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4542 * h8300.c (WORD_REG_USED): Fix typo.
4543 (initial_offset): Use WORD_REG_USED.
4545 * h8300.c (handle_pragma): Fix typo.
4547 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4549 * caller-save.c (insert_save_restore): Break this function up
4550 into new functions insert_restore, insert_save and insert_one_insn.
4551 All callers changed.
4552 (insert_restore): New function, mostly broken out of
4553 insert_save_restore.
4554 (insert_save): Likewise.
4555 (insert_one_insn): Likewise.
4556 (restore_referenced_regs): New argument BLOCK. All callers changed.
4557 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4558 in this function, do it in insert_one_insn instead.
4560 * reload1.c (reload): Break out some more pieces into separate
4562 (dump_needs): New function, broken out of reload.
4563 (set_initial_elim_offsets): Likewise.
4564 (init_elim_table): Likewise.
4565 (update_eliminables): Likewise.
4567 * global.c (global_alloc): Delete code to manage the scratch_list.
4568 * local-alloc.c (qty_scratch_rtx): Delete.
4569 (scratch_block): Delete.
4570 (scratch_list): Delete.
4571 (scratch_list_length): Delete.
4572 (scratch_index): Delete.
4573 (alloc_qty_for_scratch): Delete.
4574 (local-alloc): Update initialization of max_qty.
4575 Delete code to manage the scratch list.
4576 Delete code to allocate/initialize qty_scratch_rtx.
4577 (block_alloc): Don't allocate quantities for scratches.
4578 Delete code to manage the scratch list.
4579 * regs.h (scratch_list): Delete declaration.
4580 (scratch_block): Delete declaration.
4581 (scratch_list_length): Delete declaration.
4582 * reload1.c (reload): Delete code to manage the scratch list.
4583 (spill_hard_reg): Likewise.
4584 (mark_scratch_live): Delete.
4586 * recog.c (alter_subreg): Delete declaration.
4588 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4590 * Makefile.in (cccp.o): Fix typo in last patch.
4592 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4594 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4595 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4597 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4599 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4600 NULL_RTX as an argument.
4602 * Makefile.in (unlibsubdir): Define.
4603 (DRIVER_DEFINES): Use unlibsubdir.
4604 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4605 (stmp-fixinc): Similarly.
4607 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4609 * regmove.c (regmove_optimize): Add variable old_max_uid.
4610 At the end of the function, update basic_block_end.
4612 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4614 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4615 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4618 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4620 * config/arm/arm.c: Improve interworking support.
4622 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4624 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4625 copied from reload_out[r] .
4627 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4629 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4630 with more than three size ranges.
4632 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4634 * rtl.c (mode_name): Add a null string at the end of the array.
4635 (mode_wider_mode): Change type to unsigned char.
4636 (mode_mask_array): New variable.
4637 (init_rtl): Update for mode_wider_mode type change.
4639 * rtl.h (mode_wider_mode): Change type to unsigned char.
4640 (mode_mask_array): Declare.
4641 (GET_MODE_MASK): Use mode_mask_array.
4643 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4645 * calls.c (expand_call) : Encapsulate code into
4646 copy_blkmode_from_reg.
4647 * expr.c (copy_blkmode_from_reg): New function.
4648 * expr.h (copy_blkmode_from_reg): New function.
4649 * integrate.c (function_cannot_inline_p): We can inline
4651 (expand_inline_function): Use copy_blkmode_from_reg
4652 if needed. Avoid creating BLKmode REGs.
4653 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4656 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4658 * config/v850/v850.c: Add function prototypes.
4659 Add support for v850 special data areas.
4661 * config/v850/v850.h: Add support for v850 special data areas.
4663 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4664 HANDLE_PRAGMA_PACK_PUSH_POP.
4665 (push_alignment): New function: Cache an alignment requested
4666 by a #pragma pack(push,<n>).
4667 (pop_alignment): New function: Pop an alignment from the
4669 (insert_pack_attributes): New function: Generate __packed__
4670 and __aligned__ attributes for new decls whilst a #pragma pack
4672 (add_weak): New function: Cache a #pragma weak directive.
4673 (handle_pragma_token): Document calling conventions. Add
4674 support for #pragma pack(push,<n>) and #pragma pack (pop).
4676 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4677 are defined enable HANDLE_PRAGMA_PACK.
4678 Move 'struct weak_syms' here (from varasm.c).
4679 Add pragma states for push and pop pragmas.
4681 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4684 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4685 HANDLE_GENERIC_PRAGMAS.
4687 * varasm.c: Move definition of 'struct weak_syms' into
4689 (handle_pragma_weak): Deleted.
4691 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4693 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4695 * c-decl.c (start_function): Add invocation of
4696 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4698 * tm.texi: Remove description of non-existant macro
4699 SET_DEFAULT_SECTION_NAME.
4701 (HANDLE_SYSV_PRAGMA): Document.
4702 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4704 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4706 * config.sub: Recognize i[34567]86-pc-udk as new target.
4707 * configure.in: Likewise.
4708 * config/i386/t-udk: New file.
4709 * config/i386/udk.h: New file.
4711 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4713 * reorg.c (check_annul_list_true_false): Remove unused variables.
4714 (steal_delay_list_from_target): Add missing "used_annul" variable.
4715 (try_merge_delay_insns): Close out half formed comment.
4717 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4719 * cpplib.c (macroexpand): If arg->raw_before or
4720 arg->raw_after, remove any no-reexpansion escape at the
4721 beginning of the pasted token. Correct handling of whitespace
4722 markers and no-reexpand markers at the end if arg->raw_after.
4724 * toplev.c (documented_lang_options): Recognize -include,
4725 -imacros, -iwithprefix, -iwithprefixbefore.
4726 * cpplib.c (cpp_start_read): Process -imacros and -include
4727 switches at the same time and in command-line order, after
4728 initializing the dependency-output code. Emit properly nested
4729 #line directives for them. Emit a #line for the main file
4730 before processing these switches, and don't do it again
4733 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4735 * function.c (purge_addressof_1): Use bitfield manipulation
4736 routines to handle mem mode < reg mode.
4738 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4740 * reorg.c (try_merge_delay_insns): Account for resources referenced
4741 in each instruction in INSN's delay list before trying to eliminate
4742 useless instructions. Similarly when looking at a trial insn's delay
4745 * reorg.c (check_annul_list_true_false): New function.
4746 (steal_delay_list_from_{target,fallthrough}): Call it and also
4747 refine tests for when we may annul if already filled a slot.
4748 (fill_slots_from_thread): Likewise.
4749 (delete_from_delay_slot): Return newly-created thread.
4750 (try_merge_delay_isns): Use its new return value.
4752 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4754 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4755 used to compute a giv or as some other non-counting use.
4757 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4759 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4760 * local-alloc.c (find_free_reg): Use it.
4761 * global.c (find_reg): Likewise.
4762 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4764 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4765 * caller-save.c (init_caller_save): Use it.
4766 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4768 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4770 * configure.in: Add --enable-cpplib option which uses cpplib
4771 for cpp, but doesn't link cpplib into cc1. Make help text
4772 capitalization consistent.
4773 * configure: Rebuilt.
4775 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4777 * function.c (gen_mem_addressof): If the address REG is
4778 REG_USERVAR_P make the new REG be so also.
4779 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4780 in an attempt to clarify slightly.
4782 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4784 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4785 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4787 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4789 * toplev.c: Fix last patch.
4791 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4793 * loop.c (get_condition): Fix typo in May 9 change.
4795 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4797 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4799 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4801 * toplev.c (documented_lang_options): Spelling corrections.
4803 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4805 * configure.in: new flags --with-ld and --with-as, equivalent
4806 to setting LD and AS environment variables. Test whether
4807 specified arguments are GNU commands, and report them with
4808 checking messages. Use the specified AS for configure
4811 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4813 * gcc.c (find_a_file): when looking for `as' and `ld', return
4814 the DEFAULT program if it exists
4815 * collect2.c (main): use DEFAULT_LINKER if it exists
4817 * gcc.c (find_a_file): the test for existence of a full
4818 pathname was reversed
4820 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4822 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4823 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4825 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4827 * tree.h (TYPE_BINFO): Document.
4829 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4831 * i386-coff.h (dbxcoff.h): Added.
4833 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4835 * toplev.c: fix bad patch around flag_data_sections.
4837 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4839 * reload1.c (reload): Use reload_address_index_reg_class and
4840 reload_address_base_reg_class when setting
4841 caller_save_spill_class. (Patch generated by Jim Wilson:
4844 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4846 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4847 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4848 * expr.c (store_field): Add alias_set parameter. Set the
4849 MEM_ALIAS_SET accordingly, if the target is a MEM.
4850 (expand_assignment): Use it.
4851 (store_constructor_field): Pass 0.
4852 (expand_expr): Likewise.
4854 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4856 * flags.h: Add flag_data_sections.
4857 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4858 (compile_file): Error if flag_data_sections not supported.
4859 * varasm.c (assemble_variable): Handle flag_data_sections.
4860 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4861 * config/mips/elf.h: Likewise.
4862 * config/mips/elf64.h: Likewise.
4863 * invoke.texi: Describe -fdata-sections.
4865 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4867 * invoke.texi (-ffloat-store): Clarify that this option
4868 does not affect intermediate results -- only variables.
4870 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4872 * cpp.texi: Update for Fortran usage from Craig.
4874 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4876 * rs6000.c (function_arg_boundary): Revert accidental change on
4879 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4881 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4882 (output_mi_thunk): Declare.
4884 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4885 (output_function_profiler): Use r12 for temp, instead of r11 so
4886 that we preserve the static chain register.
4888 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4890 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4892 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4894 * sh.c (gen_shl_sext): Fix case 5.
4896 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4898 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4900 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4902 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4903 accessing variables until they are initialized via va_arg().
4905 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4907 * reload1.c (reload_combine): Initialize set before using.
4909 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4911 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4914 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4916 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4917 operand3 with mask before using it. Patch provided by Jim Wilson.
4919 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4921 * config/sparc/sparc.c (function_value): Perform the equivalent of
4922 PROMOTE_MODE for ARCH64.
4923 (eligible_for_epilogue_delay): Allow DImode operations in delay
4924 slot of a return for ARCH64.
4926 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4928 * sh.md (sqrtsf2): Fix mode of sqrt.
4930 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4932 * reload1.c (choose_reload_regs): Also try inheritance when
4933 reload_in is a stack slot of a pseudo, even if we already got a
4936 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4938 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
4939 (reload_cse_regs): New function body: call reload_cse_regs_1,
4940 reload_combine, reload_cse_move2add.
4941 When doing expensive_optimizations, call reload_cse_regs_1 a
4942 second time after reload_cse_move2add.
4943 (reload_combine, reload_combine_note_store): New functions.
4944 (reload_combine_note_use): New function.
4945 (reload_cse_move2add, move2add_note_store): New functions.
4947 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4949 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
4950 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
4952 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
4953 more than 3 such reloads.
4955 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
4956 RELOAD_FOR_X_ADDR_ADDR reload.
4958 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4960 * expr.c (store_constructor): When initializing a field that is smaller
4961 than a word, at the start of a word, try to widen it to a full word.
4963 * cse.c (cse_insn): When we are about to change a register,
4964 remove any invalid references to it.
4966 (remove_invalid_subreg_refs): New function.
4967 (mention_regs): Special treatment for SUBREGs.
4968 (insert_regs): Don't strip SUBREG for call to mention_regs.
4969 Check if reg_tick needs to be bumped up before that call.
4970 (lookup_as_function): Try to match known word_mode constants when
4971 looking for a norrower constant.
4972 (canon_hash): Special treatment for SUBREGs.
4974 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4976 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
4977 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
4978 defined, emit libcall to __enable_execute_stack. Also fix opcodes
4979 and offsets in actual stack trampoline code so they match the
4980 commentary and actually work.
4982 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4984 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
4986 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
4987 tmake_file. Set extra_parts to needed crt objects.
4988 * configure: Rebuilt.
4989 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
4990 (TARGET_DEFAULT): Set if default is v9 or ultra.
4991 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
4992 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
4993 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
4994 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4995 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
4996 (TARGET_VERSION): Define.
4997 (MULTILIB_DEFAULT): Define.
4998 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
4999 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5000 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5002 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5003 * config/sparc/sparc.c (sparc_override_options): If arch and
5004 pointer size disagree, emit diagnostic and fix it up. If
5005 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5006 V8PLUS in 64-bit mode.
5007 * config/sparc/t-linux64: New file.
5008 * config/sparc/t-sol2-64: New file.
5009 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5010 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5011 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5012 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5013 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5014 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5016 (STARTFILE_SPEC): Set approriately based upon those.
5017 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5018 disposition of DEFAULT_ARCH32_P.
5019 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5020 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5021 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5022 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5023 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5025 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5027 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5029 * rtl.h (init_virtual_regs): New function.
5030 * emit-rtl.c (init_virtual_regs): Define.
5031 (insn_emit): Use it.
5032 * integrate.c (save_for_inline_copying): Likewise.
5034 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5036 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5037 (enum reg_class): Add NONARG_LO_REGS support.
5038 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5039 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5040 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5041 completes. Re-enable HImode REG+OFFSET addresses.
5042 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5044 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5046 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5048 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5049 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5050 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5052 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5054 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5055 jumps as a single entity, taking into account the size of the
5058 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5060 * tree.def (SWITCH_EXPR): New tree node definition.
5062 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5064 * version.c: Bump for snapshot.
5066 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5068 * version.c: Bump for snapshot.
5070 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5072 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5075 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5077 * Revert this patch.
5078 * reload.c (find_reloads): Do not replace a pseudo with
5079 (MEM (reg_equiv_addr)) in the initializing insn for the
5082 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5084 * final.c (final_scan_insn): Disable tracking CC across branches.
5086 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5088 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5089 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5090 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5091 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5092 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5094 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5096 * toplev.c (rest_of_compilation): Skip compiling anything with
5097 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5099 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5101 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5102 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5103 use in_libcall_block.
5104 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5105 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5108 Mon Sep 21 14:02:23 1998
5110 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5111 typo in no-fancy-math-387 description.
5113 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5115 * version.c: Bump for snapshot.
5117 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5119 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5121 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5123 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5124 documented in install.texi.
5125 (TARGET_OPTIONS) Likewise.
5127 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5129 * version.c: Bump for snapshot.
5131 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5133 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5134 * cccp.c (main): Likewise.
5136 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5137 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5140 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5142 * Makefile.in (LIBS): Link in libiberty.a.
5143 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5145 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5147 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5148 it to update bb boundaries. Update caller.
5149 * function.c (reposition_prologue_and_epilogue_notes): Update
5150 bb boundaries wrt the moved note.
5152 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5154 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5156 * configure: Regenerate.
5158 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5160 * alpha.c (alpha_sr_alias_set): New variable.
5161 (override_options): Set it.
5162 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5163 (mode_mask_operand): Fix signed-unsigned comparision warning.
5164 (alpha_expand_block_move): Likewise.
5165 (print_operand): Likewise.
5166 (get_aligned_mem): Use change_address.
5167 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5168 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5169 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5170 (alpha_align_insns): Remade from old alphaev5_align_insns
5171 to handle multiple processors.
5172 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5173 * output.h (label_to_alignment): Prototype.
5175 * tree.c (new_alias_set): New function.
5176 * tree.h (new_alias_set): Declare it.
5177 * c-common.c (c_get_alias_set): Use it.
5179 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5181 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5182 to an ABS expr, convert an unsigned input to signed.
5184 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5186 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5188 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5190 * configure.in: Add support for c4x targets.
5191 * configure: Rebuilt.
5193 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5195 * combine.c (distribute_notes): If an insn is a cc0 user, only
5196 delete it if we can also delete the cc0 setter.
5198 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5200 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5201 (invert_truthvalue): Enable truthvalue inversion for
5202 floating-point operands if -ffast-math.
5204 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5206 * configure.in: Disable collect2 for nextstep. Instead use
5208 * configure: Rebuilt.
5209 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5210 (ENDFILE_SPEC): Define.
5211 (OBJECT_FORMAT_MACHO): Define.
5212 (EH_FRAME_SECTION_ASM_OP): Define.
5213 * crtstuff.c: Handle MACHO.
5215 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5217 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5219 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5221 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5222 (_fpadd_parts): Get sign right for 0.
5224 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5226 * ginclude/varargs.h: Add support for C4x target.
5227 * ginclude/stdargs.h: Likewise.
5229 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5231 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5232 (alpha_emit_set_long_const): Rewrite to be callable from reload
5234 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5235 * alpha.md (movdi): Likewise.
5237 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5239 * arm.c (add_constant): New parameter address_only, change caller.
5240 Set it non-zero if taking the address of an item in the pool.
5241 (arm_reorg): Handle cases where we need the address of an item in
5244 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5246 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5247 memory addresses that are not in standard canonical form.
5249 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5251 * README.C4X: New file with information about the c4x ports.
5252 * ginclude/va-c4x.h: New file for c4x varargs support.
5253 * config/c4x: New directory with c4x port files.
5255 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5257 * reload.c (find_reloads): Do not replace a pseudo with
5258 (MEM (reg_equiv_addr)) in the initializing insn for the
5261 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5263 * toplev.c (rest_of_compilation): Set bct_p on second call to
5265 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5267 (strength_reduce): Only call analyze_loop_iterations and
5268 insert_bct if bct_p set.
5269 (check_dbra_loop): Fix typo.
5270 (insert_bct): Use word_mode instead of SImode.
5271 (instrument_loop_bct): Likewise. Do not delete iteration count
5272 condition code generation insn. Initialize iteration count before
5274 * rtl.h (loop_optimize): Update prototype.
5276 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5277 not doubleword aligned.
5279 * rs6000.c (optimization_options): New function.
5280 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5281 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5282 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5283 first; cr1 can be used for FP record condition insns.
5285 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5287 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5290 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5293 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5295 (block_move_call): New function: Call a library routine to copy a
5297 (m32r_expand_block_move): New function: Expand a "movstrsi"
5298 pattern into a sequence of insns.
5299 (m32r_output_block_move): New function: Expand a
5300 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5301 (m32r_block_immediate_operand): New function: Return true if the
5302 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5304 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5306 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5308 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5310 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5312 * regmove.c (copy_src_to_dest): Check that modes match.
5314 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5316 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5318 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5320 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5321 narrower than FLOAT_REGS.
5323 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5325 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5327 * Makefile.in (old_gxx_include_dir): removed
5329 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5331 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5334 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5335 (sh_handle_pragma): Change function arguments to match new
5336 specification for HANDLE_PRAGMA.
5338 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5340 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5342 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5343 When generating output, initialize missing struct member to zero.
5345 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5347 * regmove.c (copy_src_to_dest): Don't copy if that requires
5348 (a) new register(s).
5350 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5352 * global.c (reg_allocno): Now static.
5353 * reload1.c (reg_allocno): Delete declaration.
5354 (order_regs_for_reload): Take no arguments. Don't treat regs
5355 allocated by global differently than those allocated by local-alloc.
5357 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5359 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5360 condition, fix format strings.
5361 (output_function_epilogue): Likewise.
5363 * m68k/m68k.c: Don't include <stdlib.h> directly.
5365 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5367 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5368 mem_first_set, mem_last_set; because 0 can be a CUID.
5369 (oprs_unchanged_p): Use new definition.
5370 (record_last_reg_set_info): Likewise.
5371 (record_last_mem_set_info): Likewise.
5372 (compute_hash_table): Likewise.
5374 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5376 * rs6000.c (output_epilogue): Handle Chill.
5378 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5379 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5381 * combine.c (make_extraction): If no mode is specified for
5382 an operand of insv, extv, or extzv, default it to word_mode.
5383 (simplify_comparison): Similarly.
5384 * expmed.c (store_bit_field): Similarly.
5385 (extract_bit_field): Similarly.
5386 * function.c (fixup_var_regs_1): Similarly.
5387 * recog.c (validate_replace_rtx_1): Similarly.
5388 * mips.md (extv, extzv, insv expanders): Default modes for most
5389 operands. Handle TARGET_64BIT.
5390 (movdi_uld, movdi_usd): New patterns.
5392 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5393 equivalent memory location unless we have been provided a scratch
5394 register. Similarly do not call find_replacement unless a
5395 scratch register has been provided.
5397 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5399 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5402 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5404 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5405 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5406 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5407 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5408 * c-decl.c (init_decl_processing): Update accordingly.
5409 * expr.c (expand_builtin): Likewise.
5411 * rtl.h (global_rtl): Add cfa entry.
5412 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5413 (LAST_VIRTUAL_REGISTER): Update.
5414 * emit-rtl.c (global_rtl): Add cfa entry.
5415 (init_emit): Initialize it.
5416 * function.c (cfa_offset): New.
5417 (instantiate_virtual_regs): Initialize it.
5418 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5419 (expand_function_end): Call expand_eh_return.
5420 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5422 * except.c (current_function_eh_stub_label): Kill.
5423 (current_function_eh_old_stub_label): Likwise; update all references.
5424 (expand_builtin_set_return_addr_reg): Kill.
5425 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5426 (expand_builtin_set_eh_regs): Kill.
5427 (eh_regs): Produce a third reg for the actual handler address.
5428 (eh_return_context, eh_return_stack_adjust): New.
5429 (eh_return_handler, eh_return_stub_label): New.
5430 (init_eh_for_function): Initialize them.
5431 (expand_builtin_eh_return, expand_eh_return): New.
5432 * except.h: Update prototypes.
5433 * flow.c (find_basic_blocks_1): Update references to the stub label.
5434 * function.h (struct function): Kill stub label elements.
5436 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5437 register number is one that would be in the previous window.
5438 Provide a dummy definition for non-windowed targets.
5439 (get_reg_addr): New function.
5440 (get_reg, put_reg, copy_reg): Use it.
5441 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5442 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5444 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5445 (alpha_init_expanders): Initialize it.
5446 (alpha_expand_epilogue): Use it.
5447 * alpha.h: Declare it.
5448 * alpha.md (eh_epilogue): New.
5450 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5451 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5453 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5455 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5458 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5460 * except.h (struct eh_entry): Add false_label field.
5461 (end_catch_handler): Add prototype.
5462 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5463 (start_catch_handler): When using old style exceptions, issue
5464 runtime typematch code before continuing with the handler.
5465 (end_catch_handler): New function, generates label after handler
5466 if needed by older style exceptions.
5467 (expand_start_all_catch): No need to check for new style exceptions.
5468 (output_exception_table_entry): Only output the first handler label
5469 for old style exceptions.
5470 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5471 mechanism into one function, if a runtime matcher is provided.
5473 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5475 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5477 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5479 * integrate.c (copy_decl_list): Fix typo.
5481 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5483 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5486 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5488 * version.c: Bump for snapshot.
5490 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5492 * version.c: Bump for snapshot.
5494 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5496 * version.c: Bump for snapshot.
5498 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5500 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5502 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5504 * configure.in: remove usage of `!' to negate the result of a
5505 command; some common shells do not support it
5507 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5509 * configure.in: in sparc9-sol2 config, use 'if test' not
5511 * configure: Rebuilt.
5513 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5515 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5516 (CPP_CPU_DEFAULT_SPEC): Likewise.
5517 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5518 for arch64 libfuncs.
5520 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5523 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5525 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5527 * collect2.c: Don't declare `sys_siglist' here.
5528 (my_strsignal): Prototype and define new function. Use it in
5529 place of `sys_siglist' hacks.
5531 * mips_tfile.c: Likewise.
5533 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5534 (GCC_NEED_DECLARATIONS): Likewise.
5536 * system.h (strsignal): Prototype it, if necessary.
5537 (sys_siglist): Declare it, if necessary.
5539 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5541 * loop.c (move_movables): While removing insn sequences, preserve
5542 the next pointer of the most recently deleted insn when we skip
5545 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5547 * objc/config-lang.in: Do not output the name of the selected
5548 thread file when building the front-end. The Makefile for the
5549 runtime library will do this.
5551 * objc/Make-lang.in: Do not build the runtime library or install
5552 the Objective C header files. The Makefile for the runtime
5553 library will do this.
5555 * objc/Makefile.in (all.indirect): Only build the front-end.
5556 (compiler): Rename to `frontend'.
5557 (obj-runtime): Remove target.
5558 (copy-headers): Likewise.
5559 (clean): No need to remove `libobjc.a' any longer.
5561 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5563 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5564 supported with -mcpu=xxx.
5566 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5568 * flow.c (mark_set_1): Recognize multi-register structure return
5569 values in CALL insns.
5570 (mark_used_regs): Likewise.
5571 (count_reg_sets_1): Likewise.
5572 (count_reg_references): Likewise.
5573 * rtlanal.c (note_stores): Likewise.
5574 (reg_overlap_mentioned_p): Likewise.
5575 * haifa-sched.c (check_live_1): Likewise.
5576 (update_live_1): Likewise.
5577 (sched_analyze_1): Likewise.
5578 (sched_note_set): Likewise.
5579 (birthing_insn_p): Likewise.
5580 (attach_deaths): Likewise.
5582 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5585 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5587 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5589 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5591 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5593 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5595 * configure.in: Add check for GAS subsection -1 support.
5596 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5597 * configure config.in: Rebuilt.
5598 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5599 SImode is subsection -1 works, else use DImode.
5600 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5601 subsection -1 works.
5602 * config/sparc/sparc.c (sparc_output_addr_vec,
5603 sparc_output_addr_diff_vec): Use them if defined.
5605 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5607 * tree.h (DECL_ORIGIN): New macro.
5608 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5609 (copy_decl_list): Use it.
5610 (integrate_parm_decls): Likewise.
5611 (integrate_decl_tree): Likewise.
5612 * dwarf2out.c (decl_ultimate_origin): Simplify.
5613 * dwarfout.c (decl_ultimate_origin): Likewise.
5614 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5615 (pushdecl): Likewise.
5617 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5619 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5621 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5623 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5625 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5627 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5628 empty or has a single entry.
5630 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5631 before calling reg_to_stack.
5633 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5635 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5636 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5638 * c-tree.h (warn_long_long): Declare it.
5640 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5642 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5643 initialized float-int union if the value is a NaN.
5645 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5647 * c-lex.c (real_yylex): Don't warn about long long constants if
5648 we're allowing long long
5650 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5652 * except.h (current_function_eh_stub_label): Declare.
5653 (current_function_eh_old_stub_label): Declare.
5654 * function.h (struct function): New members eh_stub_label and
5656 * except.c (current_function_eh_stub_label): New variable.
5657 (current_function_eh_old_stub_label): New variable.
5658 (init_eh_for_function): Clear them.
5659 (save_eh_status): Save them.
5660 (restore_eh_status): Restore them.
5661 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5662 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5663 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5664 make an edge from the block that contains it to the block starting
5665 with the label if this label is one of the eh stub labels.
5666 If eh stub labels exist, show they are reachable from the last block
5669 * reload1.c (reload): Break out several subroutines and make some
5671 (calculate_needs_all_insns): New function, broken out of reload.
5672 (calculate_needs): Likewise.
5673 (find_reload_regs): Likewise.
5674 (find_group): Likewise.
5675 (find_tworeg_group): Likewise.
5676 (something_needs_reloads): New global variable, formerly in reload.
5677 (something_needs_elimination): Likewise.
5678 (caller_save_spill_class): Likewise.
5679 (caller_save_group_size): Likewise.
5680 (max_needs): Likewise.
5681 (group_size): Likewise.
5682 (max_groups): Likewise.
5683 (max_nongroups): Likewise.
5684 (group_mode): Likewise.
5685 (max_needs_insn): Likewise.
5686 (max_groups_insn): Likewise.
5687 (max_nongroups_insn): Likewise.
5688 (failure): Likewise.
5690 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5692 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5694 * loop.c (load_mems): Copy rtx for output mem.
5696 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5698 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5699 mips1 or mips2 either.
5701 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5703 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5705 (pa_adjust_insn_length): Update to work with new marking scheme
5706 for jumps inside switch tables.
5707 * pa.md (switch_jump): Remove pattern.
5708 (jump): Handle jumps inside jump tables.
5710 * Makefile.in (profile.o): Depend on insn-config.h
5712 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5714 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5716 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5718 Add preliminary native sparcv9 Solaris support.
5719 * configure.in: Recognize sparv9-*-solaris2*
5720 * configure: rebuilt
5721 * config.sub: Recognize sparcv9 just like sparc64.
5722 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5723 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5724 32-bit and 64-bit Solaris systems.
5725 * config/sparc/t-sol2: Assemble those with cpp.
5726 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5727 (*TF*_LIBCALL): If ARCH64 use V9 names.
5728 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5730 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5732 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5733 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5735 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5737 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5738 to Pmode if CASE_VECTOR_MODE is something else.
5740 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5742 * prefix.c (update_path): Correctly handle cases where PATH is
5743 a substring of the builtin prefix, but specifies a different
5746 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5748 * expr.c: Corrected comment about what MOVE_RATIO does.
5749 * config/alpha/alpha.h: Ditto.
5750 * config/1750a/1750a.h: Ditto.
5751 * config/clipper/clipper.h: Ditto.
5752 * config/i386/i386.h: Ditto.
5754 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5756 * configure.in (m68k-next-nextstep3*): Use collect2.
5757 Similarly for x86 NeXT configurations.
5758 * configure: Rebuilt.
5760 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5762 * configure.in: Don't assume srcdir is .../gcc
5763 * configure: Rebuilt.
5765 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5767 * global.c: Update comments.
5768 (global_alloc): Assign allocation-numbers
5769 even for registers allocated by local_alloc in case
5770 they are later spilled and retry_global_alloc is called.
5771 (mark_reg_store, mark_reg_clobber,
5772 mark_reg_conflicts, mark_reg_death): Always record a
5773 conflict with a pseudo register even if it has been
5774 assigned to a hard register.
5775 (dump_conflicts): Don't list pseudo registers already assigned to
5776 a hard register as needing to be allocated, but do list their
5778 * local-alloc.c: Update comment.
5780 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5782 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5783 * configure: Rebuilt.
5785 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5787 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5789 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5790 for all targets that set -msoft-float.
5792 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5794 * toplev.c (print_switch_values): Make static to match prototype.
5796 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5798 * configure.in: If we are unable to find the "gnatbind" program,
5799 then do not configure the ada subdir.
5800 * configure: Rebuilt.
5802 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5804 * version.c: Bump for snapshot.
5806 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5808 * version.c: Bump for snapshot.
5810 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5812 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5813 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5815 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5817 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5819 * genextract.c: Have insn-extract.c include toplev.h.
5821 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5823 * toplev.c: Include expr.h.
5824 (really_sorry, fancy_abort): Remove prototypes.
5825 (set_target_switch): Add argument in prototype.
5826 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5827 (v_really_sorry): Likewise.
5828 (print_version, print_single_switch, print_switch_values): Make
5829 static and add prototype arguments.
5830 (decl_printable_name): Add prototype arguments.
5831 (lang_expand_expr_t): New typedef.
5832 (lang_expand_expr): Declare as a lang_expand_expr_t.
5833 (incomplete_decl_finalize_hook): Add prototype argument.
5834 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5835 (botch): Likewise for variable `s'.
5836 (rest_of_type_compilation): Mark variables `type' and `toplev'
5837 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5838 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5839 (display_help): Make variable `i' an `unsigned long'.
5840 (main): Remove unused parameter `envp'.
5841 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5842 Cast -1 when comparing it with a `size_t'.
5844 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5845 prototype with ATTRIBUTE_NORETURN.
5846 (fatal_insn_not_found, fatal_insn, really_sorry,
5847 push_float_handler, pop_float_handler): Add prototypes.
5848 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5849 (do_abort, botch): Add prototypes.
5851 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5853 * final.c (final): If a label is reached only from a single jump,
5854 call NOTICE_UPDATE_CC on the jump and its predecessor before
5855 emitting the insn after the label.
5857 * i386.h: Add AMD K6 support.
5858 Change TARGET_* macros to use table lookup.
5859 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5860 (ADJUST_COST): Change definition to call function in i386.c.
5861 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5862 * i386.c: Add AMD K6 support.
5863 Add constants for feature tests used by TARGET_* macros.
5864 (split_di): If before reload, call gen_lowpart and gen_highpart.
5865 (x86_adjust_cost): New function.
5866 (put_jump_code): New function.
5867 (print_operand): New codes 'D' and 'd'.
5868 * i386.md: New insn types. New insn attribute "memory".
5869 Redefine scheduling parameters to use new types and add AMD K6
5870 support. Explicitly set type of most insns.
5871 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5872 Pro and K6 prefer movl $1,reg to incl reg.
5873 (adddi3, subdi3): Set cc_status.
5874 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5875 to int; x86 can't have more than 2^31 DImode shifts per file.
5876 (setcc): Combine all setcc patterns. Allow writing memory.
5877 Combine all jump patterns using match_operator.
5878 (*bzero): Name pattern. Emit mutliple stos instructions when that
5879 is faster than rep stos.
5880 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5883 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5885 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5888 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5890 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5891 not whatever we're generating now.
5893 * alpha.c (set_frame_related_p, FRP): New.
5894 (alpha_expand_prologue): Mark frame related insns.
5895 (alpha_expand_epilogue): Likewise, but with a null FRP.
5896 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5897 * alpha.md (exception_receiver): New.
5898 * alpha/crtbegin.asm (.eh_frame): New beginning.
5899 (__do_frame_setup, __do_frame_takedown): New.
5900 * alpha/crtend.asm (.eh_frame): New ending.
5901 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5902 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5903 (ASM_FILE_START): Don't emit .file for dwarf2.
5905 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5906 * rtl.c (reg_note_name): Likewise.
5907 * rtl.texi (REG_NOTES): Likewise.
5908 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5911 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5913 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5914 * i386.md (movsf, movdf, movxf): Validate memory address returned
5915 from force_const_mem. Kill useless REG_EQUAL setting code.
5917 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5919 * m68k.md (zero_extendsidi2): Fix typo.
5921 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5923 * configure.in: Removed references to the removed file
5924 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
5925 * arm*-*-netbsd* and ns32k-*-netbsd*.
5926 * config/i386/xm-netbsd.h: Removed unnecessary file.
5927 * config/m68k/xm-netbsd.h: Likewise.
5928 * config/sparc/xm-netbsd.h: Likewise.
5929 * config/mips/xm-netbsd.h: Likewise.
5931 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
5933 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
5934 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
5936 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
5937 for exact section attributions.
5939 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
5941 * i386/crtdll.h (CPP_PREDEFINES): Define.
5943 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
5945 * m68k.md (5200 movqi): Do not allow byte sized memory references
5947 * m68k.c (output_move_qimode): Do not use byte sized operations on
5950 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
5951 explicit rules for building. Similarly for alloca, vfprintf,
5952 choose-temp and mkstemp, getopt, getopt1, and obstack.
5953 (INCLUDES): Add $(srcdir)/../include.
5954 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
5955 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
5957 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
5959 * gcc.c (do_spec_1): [case 'o'] Account for
5960 lang_specific_extra_outfiles.
5961 (main): Correctly clear all slots in outfiles for
5962 lang_specific_extra_outfiles. Set input_file_number before
5963 calling lang_specific_pre_link.
5965 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
5967 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
5969 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5971 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
5973 (sparc_output_deferred_case_vectors): If no work to do, return.
5974 Fix thinko in Sept 1 change.
5976 1998-09-03 SL Baur <steve@altair.xemacs.org>
5978 * Makefile.in: add semicolon in BISON definition for portability.
5980 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5982 * config/nextstep.c (handle_pragma): Correct name of third
5985 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
5987 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
5988 * config/m32r/m32r.h: Make register 17 be fixed.
5989 * config/m32r/m32r.c: Use SImode for cc operations.
5991 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
5993 * invoke.texi (Warning Options): Add -Wnon-template-friend
5996 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
5998 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6000 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6002 * rs6000.md (movsf): Disable explicit secondary-reload-like
6003 functionality if TARGET_POWERPC64.
6004 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6007 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6009 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6010 and term.h from fixinc.wrap.
6012 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6014 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6015 safe to include both string.h and strings.h together.
6016 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6017 which headers to search for function declarations. Continue to
6018 prefer string.h over strings.h when both are not acceptable.
6020 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6022 * configure.in: Call GCC_HEADER_STRING.
6024 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6025 to include. Continue to prefer string.h over strings.h when both
6028 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6030 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6031 not assume top 32-bits of symbolic addresses are zero if
6034 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6036 * ginclude/va-alpha.h: Protect entire second portion of the
6037 file against double inclusion.
6039 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6041 Added support for the Boehm's garbage collector.
6042 * configure.in: Handle --enable-objc-gc.
6043 * configure: Rebuilt.
6044 * Makefile.in (CHECK_TARGETS): Add check-objc.
6045 (check-objc): New rule.
6046 * objc/Make-lang.in: Build a different Objective-C library that
6047 runs with the Boehm's collector.
6048 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6049 * objc/encoding.c: Correctly compute the size of compound types in
6050 the presence of bitfields. Skip the variable name of the type if
6051 any. Added support for long long.
6052 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6053 (_F_GCINVISIBLE): New mask.
6054 * objc/gc.c: New file. Compute the type memory mask associated with
6055 a class based on the runtime information.
6056 * objc/misc.c: Added the hooks that use the Boehm's collector
6057 allocation functions.
6058 * objc/objc-act.c (build_class_template): Generate a new class
6059 member (gc_object_type) to hold the class' type memory mask.
6060 (build_shared_structure_initializer): Initialize the new member to
6062 (encode_complete_bitfield): New function. Generate the new
6064 (encode_field_decl): Generate the new encoding only for the GNU
6066 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6068 (class_get_gc_object_type): New function to mark a pointer instance
6069 variable as a weak pointer.
6070 * objc/objc-features.texi: New file.
6071 * objc/objc.h (gc_object_type): New class member.
6072 * objc/objects.c (class_create_instance): Create a typed memory
6073 object when compiled with Boehm's collector support.
6074 * objc/sendmsg.c (__objc_init_install_dtable): Call
6075 __objc_send_initialize instead of setting the initialize flag.
6076 (__objc_send_initialize): Call __objc_generate_gc_type_description
6077 to generate the class type memory mask. Rewrite the code that
6078 sends the +initialize so that it is called only once (bug report
6079 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6080 * testsuite/objc: New testsuite for Objective-C type encoding.
6081 * testsuite/lib/objc-torture.exp: New file.
6082 * testsuite/lib/objc.exp: New file.
6084 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6086 * jump.c (jump_optimize): In if/then/else transformations, add
6087 another call to modified_between_p for the jump insn.
6089 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6091 * fix-header.c (symlink): Treat like readlink.
6093 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6095 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6098 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6100 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6101 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6102 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6104 * config/nextstep.c (handle_pragma): Take three arguments, as per
6105 the new HANDLE_PRAGMA macro specification.
6106 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6107 per the new HANDLE_PRAGMA macro specification.
6108 * config/i960/i960.c (process_pragma): Take three arguments, as
6109 per the new HANDLE_PRAGMA macro specification.
6111 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6113 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6114 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6115 if unknown pragmas are encountered.
6116 (handle_sysv_pragma): Interpret return code from
6117 handle_pragma_token (). Return success/failure indication rather
6118 than next unprocessed character.
6119 (pragma_getc): New function: retrieves characters from the
6120 input stream. Defined when HANDLE_PRAGMA is enabled.
6121 (pragma_ungetc): New function: replaces characters back into the
6122 input stream. Defined when HANDLE_PRAGMA is enabled.
6124 * c-pragma.c (handle_pragma_token): Return success/failure status
6127 * c-pragma.h: Change prototype of handle_pragma_token().
6129 * varasm.c: (handle_pragma_weak): Only create this function if
6130 HANDLE_PRAGMA_WEAK is defined.
6132 * c-common,c (decl_attributes): If defined call the expression
6133 contained within the INSERT_ATTRIBUTES macro before adding
6134 attributes to a decl.
6136 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6137 HANDLE_PRAGMA, which takes three arguments.
6138 (INSERT_ATTRIBUTES): Document this new macro.
6140 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6141 new INSERT_ATTRIBUTES macro.
6143 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6145 * config/sparc/sparc.md (movdf): Only generate special RTL for
6146 LABEL_REFs when PIC.
6147 (move_label_di): Remove
6148 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6149 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6150 references when PIC.
6151 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6152 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6153 output an .xword for all 64-bit cases.
6155 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6157 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6158 alignment, use FUNCTION_BOUNDARY instead.
6159 (sparc_output_deferred_case_vectors): Likewise.
6161 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6163 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6164 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6166 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6168 * alpha/va_list.h: New file.
6169 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6171 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6173 * NEWS: Add SCO Openserver and Unixware 7 notes.
6177 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6179 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6180 (record_constant_1): Handle RANGE_EXPR.
6182 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6184 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6185 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6186 and NOTE_INSN_RANGE_END specially.
6187 (reemit_notes): Likewise.
6189 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6191 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6192 (ultrasparc_sched_init): Remove unneeded &.
6194 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6196 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6197 for m68020-60, to prevent the use of fintrz.
6199 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6201 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6203 * Makefile.in: Likewise.
6204 * configure: Regenerated.
6206 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6208 * configure.in (gxx_include_dir): Changed to
6209 '${prefix}/include/g++'-${libstdcxx_interface}.
6210 * configure: Rebuilt.
6212 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6214 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6216 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6217 *sequences* *below* which scalar moves will be used.
6219 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6221 * collect2.c (mktemp): Delete unused declaration.
6223 * config/xm-netbsd.h: Remove unnecessary file.
6224 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6225 file anymore, it is not needed.
6227 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6229 * convert.c (convert_to_integer): Issue an error on conversions to
6232 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6234 * Makefile.in: Add lang_tree_files and gencheck.h.
6235 * configure.in: Generate them.
6236 * gencheck.c: Include gencheck.h.
6238 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6240 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6241 movdi_lo_sum_pic and movdi_high_pic and make visible.
6242 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6243 emit these when Pmode is not SImode.
6244 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6246 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6248 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6249 .linkonce directive after the first time.
6251 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6253 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6254 the clobbered operand overlaps with an input.
6255 (bne0_di): Similarly.
6257 * Makefile.in (INSTALL): Remove "--no-header" argument.
6259 * NEWS: Various updates.
6261 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6263 * config/sparc/sparc.c (arith_operand, const64_operand,
6264 const64_high_operand, arith_double_4096_operand): Mark mode as
6266 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6268 (sparc_emit_set_const64): Remove unused variable i.
6269 (sparc_splitdi_legitimate): Likewise for addr_part.
6270 (ultra_code_from_mask): Likewise for mask.
6271 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6272 reverse return values so it matches usage and comments.
6273 (ultra_flush_pipeline): Likewise.
6274 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6275 this_type, and allow loads and stores of differing FP modes as
6276 they do not create a conflict.
6277 (ultra_find_type): Initialize fpmode to SFmode, fix
6278 parenthesization thinkos in large conditional.
6279 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6280 Init free_slot_mask after ultra_cur_hist is reset, not before.
6281 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6282 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6283 use ultra_flush_pipeline instead, then re-init group pointer.
6284 Fix statement with no effect. If no progress made in, and no
6285 instructions scheduled at all, advance to new pipeline cycle else
6286 we get into an endless loop.
6287 (ultrasparc_adjust_cost): Remove previous arg.
6288 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6290 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6292 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6293 code. Use reg_overlap_mentioned_p to detect when source and
6294 destination overlap.
6295 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6297 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6299 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6300 COMPARISON_VAL, into invariant_p.
6302 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6304 * regmove.c (regclass_compatible_p): New function.
6305 (regmove_optimize): Use it.
6307 Use NREGS parameter insted of calling max_reg_num.
6309 (fixup_match_1): Don't use code = MINUS when later tieing with
6310 a hard register is likely.
6312 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6314 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6315 COMPARISON_VAL was normalized.
6317 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6319 * loop.c (check_dbra_loop): The loop ending comparison value
6320 must be an invariant or we can not reverse the loop.
6322 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6323 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6325 (load_mems_and_recount_loop_regs_set): Likewise.
6327 * i386.c (print_operand): Remove obsolete 'c' docs.
6329 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6331 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6332 * frame.c (init_object_mutex): New function.
6333 (init_object_mutex_once): Likewise.
6334 (find_fde): Call it.
6335 (__register_frame_info): Likewise.
6336 (__register_frame_info_table): Likewise.
6337 (__deregister_frame_info): Likewise.
6339 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6341 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6343 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6345 * loop.c (check_dbra_loop): Enable code for reversal
6346 of some loops without a known constant loop end.
6348 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6350 * haifa-sched.c (last_clock_var): New.
6351 (schedule_block): Initialize it.
6352 (schedule_insn): Use it to fill insn modes with issue information.
6354 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6355 Tag trapb and next insn with TImode.
6356 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6357 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6358 Invoke alphaev5_align_insns as appropriate.
6359 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6360 (MD_SCHED_VARIABLE_ISSUE): New.
6361 * alpha.md (attr type): Add multi.
6362 (define_asm_attributes): New.
6363 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6364 (arg_home): Likewise.
6365 (fnop, unop, realign): New.
6367 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6369 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6370 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6372 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6373 (rs6000-ibm-aix4.[12]*): Likewise.
6374 * configure: Regnerate.
6376 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6378 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6379 already contains the return address.
6381 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6383 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6384 word sized hunks when loading unaligned args into registers.
6386 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6387 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6389 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6391 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6393 * loop.c (check_dbra_loop): Add some code that would allow reversal
6394 of some loops without a known constant loop end if it were enabled.
6396 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6398 * mips.md (lshrsi3_internal2+2): Fix type-o.
6400 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6402 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6403 correctly with regards to stdio.h.
6405 * calls.c: Remove stdarg.h/varargs.h.
6408 * combine.c: Likewise.
6409 * cpperror.c: Likewise.
6410 * cpplib.c: Likewise.
6411 * cpplib.h: Likewise.
6412 * doprint.c: Likewise.
6413 * emit-rtl.c: Likewise.
6414 * final.c: Likewise.
6415 * fix-header.c: Likewise.
6417 * genattr.c: Likewise.
6418 * genattrtab.c: Likewise.
6419 * gencodes.c: Likewise.
6420 * genconfig.c: Likewise.
6421 * genemit.c: Likewise.
6422 * genextract.c: Likewise.
6423 * genflags.c: Likewise.
6424 * genopinit.c: Likewise.
6425 * genoutput.c: Likewise.
6426 * genpeep.c: Likewise.
6427 * genrecog.c: Likewise.
6428 * mips-tfile.c: Likewise.
6429 * prefix.c: Likewise.
6430 * protoize.c: Likewise.
6431 * regmove.c: Likewise.
6432 * toplev.c: Likewise.
6435 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6437 * config/sparc/sparc.c (sparc_override_options): If not
6438 TARGET_FPU, turn off TARGET_VIS.
6439 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6440 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6441 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6442 (movdi_insn_sp64): Add VIS fzero alternative.
6443 (clear_sf, clear_df): New VIS patterns.
6444 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6446 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6448 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6450 * loop.c (n_times_set, n_times_used, may_not_optimize,
6451 reg_single_usage): Convert to varrays. All uses changed.
6452 (insert_loop_mem): Return a value.
6453 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6454 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6457 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6460 * configure.in: Do not set thread_file to "irix" since no such
6463 * sparc.md (float abs/neg splits): Check reload_completed before
6464 calling alter_subreg.
6466 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6468 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6470 * config/sparc/sparc.h: Declare it.
6471 * config/sparc/sparc.md (float abs/neg splits): Use it.
6472 (all other splits): Handle SUBREGs properly where necessary.
6473 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6475 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6477 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6478 an insn on the unfilled_slots_list that has no delay slots.
6479 (fill_eager_delay_slots): Similarly.
6481 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6483 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6484 as an ordinary operand.
6486 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6488 * tree.c (valid_machine_attribute): Don't apply attributes to both
6491 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6493 * reload.c (operands_match_p): Handle rtvecs.
6495 * i386.c (legitimate_pic_address_disp_p): New.
6496 (legitimate_address_p): Use it.
6497 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6498 Handle constant pool symbols just like statics.
6499 (emit_pic_move): Use Pmode not SImode for clarity.
6500 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6501 [UNSPEC]: New, handling what we killed above.
6502 [PLUS]: Detect and abort on invalid symbol arithmetic.
6503 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6505 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6507 * alias.c: Include output.h.
6508 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6509 different if we're in a varargs function.
6510 * Makefile.in (alias.o): Depend on output.h
6512 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6514 * sh.h (GIV_SORT_CRITERION): Delete.
6516 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6518 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6519 * stupid.c (stupid_life_analysis): Ditto.
6520 * reload1.c (reload): Ditto.
6522 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6524 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6525 arith_double_4096_operand, arith_double_add_operand): New
6527 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6528 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6529 them to transform add/sub 4096 into add/sub -4096.
6531 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6533 * loop.c (scan_loop): Allocate some slop to handle pseudos
6534 generated by move_movables.
6535 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6538 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6540 * tree.def (DECL_RESULT): Correct documentation.
6542 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6544 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6545 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6546 conflicts will all RELOAD_FOR_OUTPUT reloads.
6548 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6549 loads the function result, substitute with a USE.
6551 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6553 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6554 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6555 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6556 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6557 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6558 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6560 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6561 'o' to 'm' for GPR variant constraints.
6563 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6565 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6567 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6569 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6570 when the source and destination overlap.
6572 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6573 clash with global type.
6575 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6577 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6579 * c-common.c (combine_strings): Also set TREE_READONLY.
6580 Change warn_write_strings to flag_const_strings.
6581 * c-decl.c, c-tree.h: Likewise.
6583 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6585 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6586 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6587 sequence, use SET/IOR instead so CSE can see it.
6588 * config/sparc/sparc.md (movhi_const64_special,
6589 movsi_const64_special): New patterns necessitated by that change.
6590 (movhi_high): Remove.
6591 (movhi_lo_sum): Change to match an IOR.
6592 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6593 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6594 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6595 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6596 registers are involved.
6597 (snesi_zero_extend split): Remove reload_completed test.
6598 (unnamed plus and minus zero_extend sidi splits): Add it.
6600 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6602 * extend.texi: Remove description of extension to explicit
6603 instantiation that is now endorsed by standard C++.
6605 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6607 * config/arc/arc.c (arc_initialize_pic): Remove.
6608 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6609 nothing on any platform and is invoked by no-one, it does not even
6610 appear in the documentation.
6611 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6612 * config/sparc/sparc.c (initialize_pic): Likewise.
6613 (find_addr_reg): Remove this as well, no longer referenced after
6616 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6618 * recog.c (validate_replace_rtx_group): New function.
6619 * recog.h (validate_replace_rtx_group): Declare it.
6620 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6621 the entire group of substitutions.
6623 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6625 * loop.c (load_mems): Fix initializers.
6627 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6629 * config/sparc/sparc.md (TFmode splits): Handle destination
6630 registers being referenced in the address correctly.
6632 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6633 TREE_UNSIGNED, when bitsize of type's mode is larger than
6634 HOST_BITS_PER_WIDE_INT.
6636 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6638 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6639 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6640 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6642 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6645 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6647 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6648 * h8300.h (TINY_DATA_NAME_P): Likewise.
6649 (STRIP_NAME_ENCODING): Handle '&'.
6651 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6652 register (it could be accessed via an outer SUBREG).
6653 (REG_OK_FOR_BASE_P): Likewwise.
6654 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6656 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6659 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6661 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6663 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6664 must be offsettable so the splits can be made.
6666 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6668 * config/i386/winnt.c: Include system.h, not stdio.h to get
6669 sys/param.h pulled in before rtl.h in case the system defines MIN
6672 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6674 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6676 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6678 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6680 * cpplib.c (cpp_define): Handle macros with parameters.
6682 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6684 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6685 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6686 and DImode 64-bit. Use llong for minimal-toc SFmode and
6687 SYMBOL_REF / LABEL_REF 64-bit.
6688 (output_function_profiler): Use llong for profiler label and ld to
6689 load 64-bit label address.
6691 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6693 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6696 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6698 * version.c: Bump for snapshot.
6700 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6702 * version.c: Bump for snapshot.
6704 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6706 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6708 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6710 * tm.texi (Misc): Fix typo "teh".
6712 * tm.texi (PIC): Fix typo "PPIC".
6714 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6715 effect when -O2 and higher.
6716 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6718 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6720 * regclass.c: Changed register set documentation to be consistent
6723 * final.c (final_start_function) Removed redundant test for
6726 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6728 * rtl.h (rtx_function): New type.
6729 (for_each_rtx): New function.
6730 * rtlanal.c (for_each_rtx): Define it.
6732 * recog.c (change_t): New type.
6733 (change_objects, change_old_codes, change_locs, change_olds):
6735 (changes): New variable.
6736 (validate_change): Dynamically allocate room for more changes, if
6737 necessary. Uses changes array instead of change_objects, etc.
6738 (apply_change_group): Use changes array instead of
6739 change_objects, etc.
6741 * loop.c (loop_mem_info): New type.
6742 (loop_mems): New variable.
6743 (loop_mems_idx): Likewise.
6744 (looop_mems_allocated): Likewise.
6745 (scan_loop): Remove nregs parameter.
6746 (next_insn_in_loop): New function.
6747 (load_mems_and_recount_loop_regs_set): Likewise.
6748 (load_mems): Likewise.
6749 (insert_loop_mem): Likewise.
6750 (replace_loop_mem): Likewise.
6751 (replace_label): Likewise.
6752 (INSN_IN_RANGE_P): New macro.
6753 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6754 (scan_loop): Remove nregs parameter, compute it after any new
6755 registers are created by load_mems. Use INSN_IN_RANGE_P and
6756 next_insn_in_loop rather than expanding them inline. Call
6757 load_mems to load memory into pseudos, if appropriate.
6758 (prescan_loop): Figure out whether or not there are jumps from the
6759 loop to targets other than the label immediately following the
6760 loop. Call insert_loop_mem to notice all the MEMs used in the
6761 loop, if it could be safe to pull MEMs into REGs for the duration
6763 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6765 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6767 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6769 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6771 * config/sparc/sparc.c (finalize_pic): Check for the correct
6772 nonlocal_goto_receiver UNSPEC number.
6773 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6774 making note of this dependency existing in sparc.c
6775 (negtf2_notv9 split): Give NEG SFmode.
6776 (negsf2): Fix insn output string.
6778 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6780 * c-common.c (decl_attributes): Issue an error if the argument
6781 to alias is not a string.
6783 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6785 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6786 pending memory flush list.
6788 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6790 (try_combine): Allow combining insns with REG_LIBCALL notes.
6792 * expr.c (emit_block_move): Do not call memcpy as a libcall
6793 instead build up a CALL_EXPR and call it like any other
6795 (clear_storage): Similarly for memset.
6797 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6800 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6803 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6804 and REG_LIVE_LENGTH as successful substitutions are made.
6806 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6808 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6809 statement after end of loop label.
6811 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6813 * config/sparc/sparc.c (ultra_types_avail): New variable.
6814 (ultra_build_types_avail): New function to record mask of insn
6815 types in ready list at this cycle.
6816 (ultrasparc_sched_reorder): Call it.
6817 (ultra_find_type): Use it to quicken the search. Also simplif
6818 dependency check, don't use rtx_equal_p because we know exactly
6819 what we are looking for.
6821 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6823 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6824 for architecture v4.
6826 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6828 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6830 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6831 movdf_const_intreg and helper splits): New patterns to move float
6832 constants into integer registers.
6833 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6836 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6839 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6841 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6843 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6844 a BASE_REGS register is needed as an intermediate when copying
6845 a symbolic value into any register class other than BASE_REGS.
6847 * expr.c (move_by_pieces): No longer static. Remove prototype.
6848 * rtl.h (move_by_pieces): Add extern prototype.
6849 * mips.c (expand_block_move): Handle aligned straight line copy by
6850 calling move_by_pieces.
6852 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6855 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6857 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6858 jumps out of the loop to be treated as part of the exit test.
6860 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6861 Jeff Law <law@cygnus.com>
6863 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6864 * cplus-dem.c: Delete.
6866 * Makefile.in (fold-const.o): depend on $(RTL_H).
6868 * fold-const.c: Include rtl.h to get the prototype for
6869 `set_identifier_local_value'.
6871 * loop.c (express_from_1): Remove unused variable `tmp'.
6872 (combine_givs): cast the first argument of bzero to char *.
6874 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6876 * c-decl.c (init_decl_processing): Remove unneeded &.
6878 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6880 * except.c (set_exception_lang_code, set_exception_version_code):
6881 Change parameter from `short' to `int' to avoid using a gcc
6884 * except.h (set_exception_lang_code, set_exception_version_code):
6885 Likewise for prototypes.
6887 * flow.c (count_reg_references): Remove unused variables `regno'
6890 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6892 * prefix.c (translate_name): Cast the result of `alloca'.
6894 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6896 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6898 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6900 (valid_dbcc_comparison_p): Mark mode argument as unused.
6901 (symbolic_operand): Likewise.
6902 (legitimize_pic_address): Likewise.
6903 (const_uint32_operand): Likewise.
6904 (const_sint32_operand): Likewise.
6905 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6906 schedule_insns and comment out rest of file.
6908 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6910 (output_move_[hq]imode): Likewise.
6912 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6914 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6915 * invoke.texi: Corresponding changes.
6917 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6919 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6921 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6923 * config/sparc/sparc.c (ultra_code_from_mask,
6924 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
6925 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
6926 ultrasparc_sched_init, ultrasparc_variable_issue,
6927 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
6928 functions to describe UltraSPARC pipeline exactly to Haifa.
6929 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
6930 as there is nothing the scheduler can do about it. Indicate that
6931 REG_DEP_OUTPUT's collide. Fixup formatting.
6932 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
6933 divide costs on Ultra for DImode.
6934 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
6936 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
6937 ieuN and add call_no_delay_slot to type list.
6938 (cti function unit): New unit for branches on UltraSPARC.
6939 (subx/addx insns): Set type to misc.
6940 (sidi zero/sign extension insns on arch64): Set type to shift.
6941 (sign_extendhidi2_insn): Set type to sload.
6943 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
6945 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
6946 (output_epilog): Use if != 0 for offset.
6947 (rs6000_fatal_bad_address): Prepare for Intl.
6948 * rs6000.h (rs6000_fatal_bad_address): Declare.
6949 * rs6000.md (movsfcc, movdfcc): Use else if.
6950 (elf_high): Use {liu|lis}.
6951 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
6952 (movsi): Use rs6000_fatal_bad_address.
6954 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
6956 * reload.c (find_equiv_reg): Reject equivalences separated
6957 by a volatile instruction.
6959 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6961 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
6963 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
6965 * alpha.md (movsicc): Fix mode mismatch.
6967 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
6969 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
6971 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
6973 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6975 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
6976 write-only modifier from operand 1 constraint.
6978 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6980 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
6981 emitting a XOR of -1 at the end, emit a NOT instead for combine's
6983 (sparc_emit_set_const64): Likewise, also when computing trailing
6984 bits do not negate low_bits and make fast_int an int.
6986 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
6988 * loop.c (add_label_notes): Do not ignore references to labels
6989 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
6990 * gcse.c (add_label_notes): Similarly.
6992 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
6994 * m68k.md (adddi_dilshr32): One of the operands must be a register.
6995 (adddi_dishl32): Similarly.
6997 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
6999 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7000 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7001 * cse.c (cse_basic_block): Add parens to shut up warnings.
7003 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7005 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7006 sparc_emit_set_const64_longway, const64_is_2insns,
7007 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7008 in 64-bit constant formation.
7009 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7010 rtl for addx not subx.
7011 (define_insn movdi_const64_special): Make available even when
7012 HOST_BITS_PER_WIDE_INT is not 64.
7013 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7014 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7015 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7016 instances of operand 1 inside a QI subreg.
7017 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7018 (one_cmpldi2_sp64): Fix output string.
7019 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7021 (unnamed arch64 ashift DI): Truncate shift count if greater than
7024 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7026 * expr.c (store_expr): Don't optimize away load-store pair
7027 when either source or destination have a side effect.
7029 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7031 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7032 operands of SET are incompatible.
7034 * alpha.md: Fix max and min patterns so modes of SET operands match.
7036 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7038 * configure.in: Avoid [[ by using test and changequote.
7039 * configure: Rebuild.
7041 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7043 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7045 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7046 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7047 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7048 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7049 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7050 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7051 Fix mismatching modes in SET operands.
7052 (conditional move patterns): Fix formatting.
7053 (unnamed subx arch64 pattern): Remove duplicate insn.
7055 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7057 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7058 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7059 (input_operand): Fixup test for what we accept for constant
7061 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7063 (safe_constDI): Remove.
7064 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7065 gen_safe_XOR64): New functions.
7066 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7067 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7069 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7070 available when HOST_BITS_PER_WIDE_INT is not 64.
7071 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7072 move before movdi_insn_sp64 pattern.
7073 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7074 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7075 symbolic_operand as predicate for second operand.
7076 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7077 expander): Give set VOIDmode.
7079 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7081 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7083 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7085 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7087 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7089 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7091 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7093 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7095 * install.texi: Various SCO OpenServer tweaks.
7097 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7099 * reload1.c (eliminate_regs_in_insn): Handle another case when
7100 eliminating the frame pointer to the hard frame pointer. Add
7101 missing ep->to_rtx check to one existing case.
7103 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7105 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7107 * tree.h: De-conditionalize init_priority code.
7109 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7110 * collect2.c (NM_FLAGS): Change from -p to -n.
7112 * configure.in: Turn on collect2 for mipstx39-elf.
7113 Handle use_collect2=no properly.
7115 * c-common.c: De-conditionalize init_priority code.
7116 * collect2.c (extract_init_priority, sort_ids): New fns.
7117 (main): Call sort_ids.
7118 Move sequence_number to file scope.
7120 * configure.in: Handle --enable-init-priority.
7121 * c-common.c (attrs): Add A_INIT_PRIORITY.
7122 (init_attributes, decl_attributes): Likewise.
7123 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7124 * tree.c (get_file_function_name_long): Split out...
7125 (get_file_function_name): ...from here.
7127 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7129 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7132 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7134 * toplev.c (display_help): Add braces to shut up warnings.
7135 * tree.c (simple_cst_equal): Likewise.
7137 * fold-const.c (non_lvalue): Don't deal with null pointer
7139 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7141 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7142 of any size to a pointer.
7144 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7146 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7148 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7150 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7151 which will be saved.
7152 * mn10300.md (prologue insn): Only save registers which need saving.
7153 (epilogue insn): Similarly.
7155 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7158 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7160 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7161 VAR_DECL's in gp addressable sections.
7163 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7165 * sparc.c: Change return <exp> to <exp>; return; in functions
7167 * sparc.md: Add empty semicolon statement after final label in
7170 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7172 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7173 addx_extend_sp64, only allow when TARGET_ARCH64.
7174 (define_insn addx_extend_sp32 and split): Version that works when
7176 (define_insn subx_extend): Likewise.
7177 (define_split adddi3 and subdi3 with zero extension): Fixup and
7178 correct bugs when not TARGET_ARCH64.
7180 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7182 * except.c (set_exception_lang_code, set_exception_version_code):
7183 Use prototype-style definition if __STDC__, to match declaration
7186 * genemit.c: Change FAIL and DONE macros not to use loops.
7188 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7190 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7191 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7193 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7195 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7197 * README.g77: Update from Craig.
7199 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7201 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7203 (safe_constDI sparc_emit_set_const64_quick1,
7204 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7205 analyze_64bit_constant, const64_is_2insns,
7206 create_simple_focus_bits): Fix some bugs when compiled on real
7208 (function_arg_record_value_3, function_arg_record_value_2,
7209 function_arg_record_value): Add fully prototyped forward decls.
7210 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7211 to cmpsi_insn and use on both 64 and 32 bit targets.
7212 (define_insn cmpsi_insn_sp64): Remove.
7213 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7214 (define_insn zero_extendsidi2_insn): Rename to
7215 zero_extendsidi2_insn_sp64.
7216 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7217 assosciated forced split for it.
7219 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7221 * config/sparc/sparc.h: Declare them.
7222 (PREDICATE_CODES): Add them.
7223 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7224 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7226 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7228 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7229 in v9 case as the latter makes the Solaris assembler crash.
7231 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7233 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7234 for TFmode when !v9. We require offsettable memory addresses.
7235 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7236 DFmode register number conversions.
7237 * config/sparc/sparc.md (define_split DFmode moves): If register
7238 is a SUBREG do alter_subreg on it before using.
7239 (define_expand movtf): Fixup comment about alignment on v9.
7240 (define_split TFmode moves): Don't use gen_{high,low}part, create
7241 explicit SUBREGs instead.
7243 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7245 * Makefile.in (mbchar.o): Depend on mbchar.c.
7247 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7248 Richard Henderson <rth@cygnus.com>
7250 Rewrite Sparc backend for better code generation and
7251 improved sparc64 support.
7252 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7254 * config/sparc/sysv4.h: Likewise.
7255 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7256 move_operand, v8plus_regcmp_op, emit_move_sequence,
7257 singlemove_string, doublemove_string, mem_aligned_8,
7258 output_move_double, output_move_quad, output_fp_move_double,
7259 move_quad_direction, output_fp_move_quad, output_scc_insn):
7261 (small_int_or_double): New predicate.
7262 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7263 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7264 old pic_{sethi,lo_sum}_si patterns.
7265 (mem_min_alignment): New generic function to replace
7266 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7267 available and can test for arbitrary alignments. All callers
7269 (save_regs, restore_regs, build_big_number,
7270 output_function_prologue, output_cbranch, output_return,
7271 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7272 sparc_flat_output_function_epilogue): Prettify
7274 (output_function_epilogue): Likewise and add code to output
7275 deferred case vectors.
7276 (output_v9branch): Likewise, add new arg INSN and use it to tack
7277 on branch prediction settings. All callers changed.
7278 (print_operand): Likewise and output %l44 for LO_SUMs when
7280 (sparc_splitdi_legitimate): New function to make sure DImode
7281 splits can be run properly when !arch64.
7282 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7283 Reformat example code in comments.
7284 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7285 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7286 of deferred case vectors we need to output.
7287 (sparc_defer_case_vector): Record a case vector.
7288 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7289 sparc_output_deferred_case_vectors): New functions to output them.
7290 (sparc_emit_set_const32): New function to form 32-bit constants in
7291 registers when that requires more than one instruction.
7292 (safe_constDI, sparc_emit_set_const64_quick1,
7293 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7294 analyze_64bit_constant, const64_is_2insns,
7295 create_simple_focus_bits, sparc_emit_set_const64): New functions
7296 which do the same for 64-bit constants when arch64.
7297 (sparc_emit_set_symbolic_const64): New function to emit address
7298 loading for all code models on v9.
7299 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7300 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7301 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7302 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7303 inaccuracies in comments, add symbolic and text_segment operands
7304 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7305 GENERAL_REGS in these cases as a temp REG is needed to load these
7306 addresses into a register properly.
7307 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7309 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7310 quads are guarenteed to have 16-byte alignment.
7311 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7312 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7313 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7314 deferred case vector implementation.
7315 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7316 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7317 Generate "internal label - label" instead of "label - 1b".
7318 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7319 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7320 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7322 (doublemove_string, output_block_move, output_fp_move_double,
7323 output_fp_move_quad, output_move_double, output_move_quad,
7324 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7325 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7326 (sparc_emit_set_const32, sparc_emit_set_const64,
7327 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7328 mem_min_alignment, small_int_or_double): Add externs.
7329 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7330 UNSPEC_VOLATILE in this backend.
7331 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7332 unary to types which execute in it.
7333 (define_function_unit ieu_shift): Rename to ieu0.
7334 (define_function_unit ieu1): New, executes compare, call, and
7335 uncond_branch type insns.
7336 (define_function_units for type fdivs, fdivd, fsqrt): These
7337 execute in the fpu multiply unit not the adder on UltraSparc.
7338 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7339 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7340 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7341 allows the arith_double_operand predicate and rHI constraint when
7343 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7344 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7345 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7346 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7347 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7348 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7349 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7350 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7351 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7352 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7353 sign_extendqihi2_insn, sign_extendqisi2_insn,
7354 sign_extendqidi2_insn, sign_extendhidi2_insn,
7355 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7356 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7357 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7358 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7359 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7360 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7361 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7362 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7363 smulsi3_highpart_v8plus, unnamed subreg mult,
7364 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7365 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7366 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7367 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7368 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7369 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7370 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7371 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7372 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7373 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7374 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7375 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7376 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7377 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7378 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7379 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7380 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7381 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7382 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7383 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7384 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7385 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7386 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7387 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7388 call_address_untyped_struct_value_sp32,
7389 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7390 call_value_symbolic_sp32, call_value_address_sp64,
7391 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7392 flush_register_windows, goto_handler_and_restore,
7393 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7394 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7395 return_addsi, return_di, return_adddi, return_sf, all call+jump
7396 peepholes, trap, unnamed trap insns): Prettify output strings.
7397 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7398 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7399 Likewise and force + implement splits for integer cases.
7400 (define_insn return_sf_no_fpu): Likewise and allow to match when
7401 no-fpu because of our subreg SFmode splits.
7402 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7403 zero_extendqidi2_insn, zero_extendhidi2_insn,
7404 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7405 input_operand for second operand.
7406 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7407 reg_or_0_operand for operand 2 so new splits can use it.
7408 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7409 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7411 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7412 CONST_DOUBLEs for operand 2.
7413 (define_insn move_label_di): Likewise and label distance
7414 optimization because it no longer works with new deferred case
7415 vector scheme. To be revisited.
7416 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7417 and allow reg_or_0_operand and J constraint for second operand.
7418 (define_insn jump): Set branch predict taken on V9.
7419 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7420 new deferred case vector scheme.
7421 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7422 (define_insn negdi2_sp32): Force + implement splits.
7423 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7424 one_cmplsi2_not_liveg0 respectively, and create expander of original
7425 names which emit special rtl for TARGET_LIVE_G0.
7426 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7427 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7428 gen_compare_reg, FAIL instead.
7429 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7430 values when trying to reverse condition codes, if they FAIL then
7432 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7433 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7434 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7435 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7436 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7437 set output string to # to indicate they are mandatory splits.
7438 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7439 pic_sethi_di, move_pic_label_si): Remove.
7440 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7441 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7443 (define_expand movsi_pic_label_ref, define_insn
7444 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7445 expander and insns to handle PIC label references and deferred
7447 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7449 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7450 Rewrite to not use emit_move_sequence, make use of new constant
7451 formation code, and new splits for all multi-insn cases.
7452 (define_insn movqi_insn): Remove sethi case, it can never happen.
7453 Use reg_or_zero_operand instead of const0_rtx explicit test,
7454 use input_operand instead of move_operand for source, and use
7455 general_operand now for dest.
7456 (define_insn movhi_insn): Similar but leave sethi case.
7457 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7458 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7459 movhi_lo_sum respectively, prettify output string.
7460 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7461 register when needed on TARGET_LIVE_G0.
7462 (define_insn movsi_insn): Use general_operand and input_operand
7463 for dest and src respectively. Simplify applicability test.
7464 Prettify output strings, and add clr alternative for J
7466 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7467 deprecated std and reg-reg DI moves): Remove and...
7468 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7469 implementation which uses forced splits for all non-single insn
7471 (define_split DI move cases on !arch64): New splits to handle all
7472 situations of 64-bit double register DImode on 32bit, and
7473 unaligned registers and memory addresses for all subtargets.
7474 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7476 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7477 input_operand for dest and src respectively, prettify output
7479 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7480 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7482 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7483 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7484 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7485 movtf_no_e_insn_sp64) Replace with new
7486 implementation which uses forced splits for all non-single insn
7488 (define_split DF move cases): New splits in similar vein to DI
7490 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7491 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7492 movdi_sp64_insn): Remove old v9 code model and constant loading
7494 (define_insn pic_lo_sum_di, pic_sethi_di,
7495 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7496 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7497 embmedany_sethi, embmedany_losum, embmedany_brsum,
7498 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7499 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7500 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7501 scheme, using unspecs, secondary reloads, and one to one sparc
7502 insn to rtl insn mapping for better scheduling and code gen.
7503 (define_expand reload_indi, reload_outdi): Reload helpers for
7504 MEDANY and EMBMEDANY symbol address loading cases which require a
7506 (define_expand movsicc): Remove v8plus_regcmp cases.
7507 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7508 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7509 cmp_diqi_trunc_set): New patterns used by some of the new scc
7511 (define_insn xordi3_sp64_dbl): New pattern used for constant
7512 formation when crossing from 32-bit targets.
7513 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7515 (define_insn addx, subx): Make visible and prettify.
7516 (define_insn adddi3_insn_sp32): Likewise and force split.
7517 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7518 64bit scc split usage.
7519 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7520 zero_extend, subdi3): Force and implement splits.
7522 * final.c (final_scan_insn): Don't output labels if target
7523 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7526 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7527 don't forget to walk inside SEQUENCESs too as these are what the
7528 delay slot scheduler will create.
7530 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7532 * alpha.md (extxl+1,+2): New patterns to work around
7535 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7537 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7538 caused bad assembly code to be generated.
7540 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7542 * netbsd.h: Fix typo.
7544 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7546 * config.sub: Fix typo.
7548 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7550 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7552 (Running Protoize): Typo: Change "ther" into "other".
7554 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7556 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7557 * m68k/netbsd.h: Likewise.
7558 * ns32k/netbsd.h: Likewise.
7559 * sparc/netbsd.h: Likewise.
7561 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7563 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7564 * ginclude/va-clipper.h (va_list): Likewise.
7566 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7568 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7569 load/store multiple instructions unless user overrides.
7571 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7573 * ns32k/netbsd.h: Fix typo.
7575 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7577 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7578 labels with .debugsym if no parallel insns.
7580 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7582 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7583 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7585 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7587 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7588 (AR_FOR_TARGET): Define.
7590 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7592 * dyn-string.h: New file.
7593 * dyn-string.c: Likewise.
7594 * Makefile.in (OBJS): Add dyn-string.o.
7595 (dwarf2out.o): Add dyn-string.h dependency.
7596 (dyn-string.o): List dependencies.
7597 * dwarf2out.c: Include dyn-string.h.
7598 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7599 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7600 prototype. Use dyn_string_append rather than strcat, throughout.
7601 (addr_to_string): Use dyn_string_t.
7603 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7605 Function entry/exit profiling instrumentation:
7606 * expr.h (profile_function_entry_libfunc,
7607 profile_function_exit_libfunc): Declare new variables.
7608 * optabs.c: Define them here.
7609 (init_optabs): Initialize them.
7610 * tree.h (struct tree_decl): New flag
7611 no_instrument_function_entry_exit.
7612 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7613 * c-decl.c (duplicate_decls): Merge it.
7614 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7615 (init_attributes): Use it for "no_instrument_function".
7616 (decl_attributes): Handle it, for functions that have not yet been
7617 compiled. Set decl flag.
7618 * flags.h (flag_instrument_function_entry_exit): Declare new
7620 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7621 (f_options): New option "instrument-functions".
7622 * function.h (struct function): New field instrument_entry_exit.
7623 * function.c (current_function_instrument_entry_exit): New
7625 (push_function_context_to, pop_function_context_from): Save and
7627 (expand_function_start): Set current_ variable, maybe emit return
7628 label and entry profile call.
7629 (expand_function_end): Maybe emit exit profile call.
7631 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7633 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7634 NON_QI_REG_P, pretend the register is SImode.
7636 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7638 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7639 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7640 manufacturer id for ns32k.
7641 * configure: Regenerated.
7642 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7643 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7644 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7645 * config/m68k/netbsd.h: Same.
7646 * config/ns32k/netbsd.h: Same.
7647 * config/sparc/netbsd.h: Same.
7649 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7651 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7652 or UNROLL_COMPLETELY loop that starts with a jump to its
7655 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7657 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7658 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7659 (print_operand, case 'B'): Don't fall through.
7660 (print_operand, case 'S'): Correct mask begin/end computation.
7661 Use HOST_BITS_PER_WIDE_INT.
7662 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7663 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7664 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7665 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7667 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7669 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7670 constraint from second alternative.
7672 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7674 * configure.in: Fix --without/--disable cases for local-prefix,
7675 gxx-include-dir and checking.
7677 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7679 * configure.in (enable_haifa): Set by default for sparc64 too.
7682 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7684 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7685 * i386/winnt.c (associated_type): New fn.
7686 (i386_pe_valid_type_attribute_p): New fn.
7687 (i386_pe_check_vtable_importexport): Remove.
7688 (i386_pe_dllexport_p): Use associated_type.
7689 (i386_pe_dllimport_p): Likewise.
7691 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7692 * i386.c (i386_valid_type_attribute_p): Also accept
7693 attributes for METHOD_TYPEs.
7695 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7697 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7699 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7701 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7703 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7704 them from generating a new base name for each occurence of
7707 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7709 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7711 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7715 * cplus-dem.c (type_kind_t): New type.
7716 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7717 on this paramter, rather than demangling the type again.
7718 (demangle_integral_value): Pass tk_integral.
7719 (demangle_template_: Pass the value returned from do_type.
7720 (do_type): Return a type_kind_t. Pass tk_integral to
7721 demangle_template_value_parm for array bounds.
7722 (demangle_fund_type): Likewise.
7724 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7726 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7729 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7731 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7733 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7735 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7737 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7740 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7742 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7743 (DEBUGGER_ARG_OFFSET): Likewise.
7745 * mn10300.md (movsf): Remove last change. Not needed.
7747 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7749 * c-lex.c (yylex): Fix boundary conditions in character literal and
7750 string literal loops.
7752 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7754 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7755 being invoked incorrectly.
7757 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7758 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7760 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7761 * configure.in: Added i[34567]86-*-win32
7762 * config.sub: Ditto.
7763 * configure: Rebuilt.
7765 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7767 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7768 the frame pointer and compiling PIC code and reload has not completed.
7770 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7773 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7775 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7777 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7779 * Makefile.in (install-info): Only try to update the info
7780 directory file if it exists in the first place.
7782 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7784 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7786 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7788 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7789 CONST_DOUBLE source.
7791 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7793 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7794 strings as the insertion of USER_LABEL_PREFIX.
7795 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7797 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7800 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7802 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7803 already defined type.
7805 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7807 * expr.c (check_max_integer_computation_mode): Allow conversions
7808 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7809 (expand_expr): Likewise.
7811 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7813 * expr.c (expand_expr): Expand RETURN_EXPR.
7815 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7817 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7819 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7821 * dwarf2out.c (output_aranges): Call stripattributes
7822 for TEXT_SECTION references.
7823 (output_line_info): Likewise.
7825 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7827 * profile.c (branch_prob): Call allocate_reg_info after outputting
7828 profile rtl in instrument_arcs.
7830 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7832 * fixinc.irix (math.h): Install wrapper instead of copying.
7834 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7836 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7837 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7838 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7839 lang_flag_0. Added documentation in the flag table.
7841 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7843 * cccp.c (do_include): Fix vax c style include handling.
7845 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7847 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7849 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7851 * fold-const.c (non_lvalue): Don't deal with null pointer
7853 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7855 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7857 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7858 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7859 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7860 (u_short_cint_operand): Same.
7861 (reg_or_cint_operand): Same.
7862 (logical_operand): Same.
7863 (input_operand): Same.
7864 (reg_or_short_operand): Use u_short_cint_operand.
7866 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7868 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7869 but keep the insns and splits. Adjust so when the ultimate destination
7870 is memory, use cvtql.
7872 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7874 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7876 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7878 * gcc.c (do_spec): Call "error" not "warning".
7880 * configure.in: Fix minor problems with gas feature detection code.
7881 * configure: Rebuilt.
7883 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7886 * gcc.c: Delete %[spec] support.
7887 (do_spec_1, case '('): Likewise.
7888 (do_spec_1, case '['): Call error.
7890 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7892 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7893 (CPP_SUBTARGET_SPEC): Default to empty string.
7894 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7895 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7896 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7897 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7899 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7900 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7901 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7902 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7903 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7904 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7905 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7906 * alpha/vxworks.h: Likewise.
7908 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7910 * mips.md (reload_outsi): Added missing REGNO call.
7911 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7913 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7914 another match_operator and compare the codes.
7916 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7918 * MIPS multiply pattern fixes:
7919 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7920 Add union classes for HI, LO, or HILO plus general registers.
7921 (GENERATE_MADD): Deleted.
7922 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7923 Add TARGET_MAD to condition.
7924 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
7925 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
7926 "*d" for accumulator, to give preference to LO initially but not
7929 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
7931 * configure.in (enable_c_mbchar): New configure option.
7932 (extra_cpp_objs): Always available now.
7934 * cexp.y (mbchar.h): #include it.
7935 (yylex): Handle Multibyte characters in character literals.
7937 * cccp.c (mbchar.h): #include it.
7938 (main): Set character set based on LANG environment variable.
7939 (rescan): Handle multibyte characters in comments.
7940 (skip_if_group): See above.
7941 (validate_else): See above.
7942 (skip_to_end_of_comment): See above.
7943 (macarg1): See above.
7944 (discard_comments): See above.
7945 (rescan): Handle multibyte characters in string and character literals.
7946 (collect_expansion): See above.
7947 (skip_quoted_string): See above.
7948 (macroexpand): See above.
7949 (macarg1): See above.
7950 (discard_comments): See above.
7951 (change_newlines): See above.
7953 * c-lex.c (mbchar.h): #include it.
7954 (GET_ENVIRONMENT): New macro.
7955 (init_lex): Set character set based on LANG environment variable.
7956 (yylex): Handle multibyte characters in character literals.
7957 (yylex): Handle multibyte characters in string literals.
7959 * Makefile.in (mbchar.o): New target.
7960 (cccp$(exeext)): @extra_cpp_objs@ is always available.
7961 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
7963 * mbchar.[ch]: New files for multibyte character handling.
7965 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7967 * jump.c (jump_optimize): When simplifying noop moves and
7968 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
7969 the PUSHes to rewrite in second loop as we did in the first.
7971 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7973 * cplus-dem.c (demangle_nested_args): Make function definition
7974 static to match the prototype.
7976 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
7978 * alloca.c: Respect USE_C_ALLOCA.
7979 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
7980 * gengenrtl.c (xmalloc): Likewise.
7982 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
7984 * loop.h (struct induction): Add no_const_addval.
7985 * loop.c (the_movables, reg_address_cost): New variables.
7986 (init_loop): Init reg_address_cost.
7987 (loop_optimize): Call end_alias_analysis.
7988 (scan_loop): Init the_movables.
7989 (record_giv): Init induction->no_const_addval.
7990 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
7991 [REG]: Rearrange loop search test to catch more cases.
7992 (general_induction_var): Return success not benefit; take an extra
7993 argument for that. Change all callers.
7994 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
7995 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
7996 [default]: Search the_movables for additional combinations.
7997 (sge_plus_constant, sge_plus): New functions.
7998 (express_from_1): New function.
7999 (express_from): Always define. Rewrite using express_from_1.
8000 (combine_givs_p): Handle more cases. Ignore address cost.
8001 (cmp_combine_givs_stats): New function.
8002 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8003 (combine_givs): Rewrite to do best-fit combination.
8005 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8006 (fold): Do a complete (A*C)+(B*C) association check.
8008 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8010 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8012 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8014 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8016 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8018 * tree.c (valid_machine_attribute): Only create a new type variant if
8019 there is a decl to use it.
8021 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8023 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8026 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8028 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8031 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8033 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8034 Simplify tests for clearing an address register.
8035 (expand_prologue): Corresponding changes.
8037 * mn10300.md (movXX patterns): Make sure the destination is an
8038 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8039 (logical patterns): Split into expanders + patterns
8040 (zero and sign extension patterns): Similarly.
8041 (shift patterns): Similarly.
8043 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8045 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8046 for the sequence, recording base values.
8048 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8050 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8052 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8054 * gcc.c: Remove ANSI-C ism from --help code.
8056 * toplev.c: Support --help with USE_CPPLIB.
8058 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8060 * configure.in: Rework gas feature code to work with symlink based
8063 * extend.texi: Clarify some issues related to local variables
8064 assigned to explicit registers.
8066 * mn10300.md (mulsi): Turn into expander + pattern.
8068 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8071 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8073 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8075 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8077 * version.c: Bump again to distinguish mainline tree from the
8080 See ChangeLog.0 for earlier changes.
8083 add-log-time-format: current-time-string