1 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
4 to determine if a register is live at a jump destination.
5 Everything is dead at a BARRIER.
7 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
9 * cse.c (simplify_unary_operation): Sign-extend constants when
10 they have the most significant bit set for the target.
11 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
13 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
14 HOST_WIDE_INT temporary before negating it.
15 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
17 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
19 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
22 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24 * collect2.h: New header file for prototypes.
26 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
28 * collect2.c: Include collect2.h.
31 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
33 * flow.c: Update some comments.
35 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
37 * objc/objc-act.c (cpp_initialized): Removed.
38 (lang_init_options): Initialize cpplib.
39 (lang_decode_option): Move initialization of cpplib to
41 * c-lang.c: (parse_options,parse_in): Added.
42 (lang_init_options): Initialized cpplib here.
43 * c-decl.c (parse_options,cpp_initialized): Removed.
44 (c_decode_option): Move initialization of cpplib to
47 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
49 * reload1.c (reload_combine, reload_combine_note_store):
50 Make STORE_RUID always valid.
51 (reload_combine): Check if BASE is clobbered too early.
53 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
55 * reload.c (find_reloads): Display the insn that cannot be
58 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
60 * cccp.c (create_definition): Fix end of bufer logic.
62 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
64 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
65 pointer parameters changed to use the PARAMS() macro.
67 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
69 * except.h (struct handler_info): Add handler_number field.
70 * except.c (gen_exception_label): EH labels no longer need to be
71 on the permanent obstack.
72 (get_new_handler): Set the label number field.
73 (output_exception_table_entry): Regenerate handler label reference
74 from the label number field.
75 (init_eh): Remove a blank line.
76 * integrate.c (get_label_from_map): Labels no longer need to be
77 on the permanent obstack.
79 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
81 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
82 only when OUTER_CODE is SET.
84 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
86 * loop.c (strength_reduce): If scan_start points to the loop exit
87 test, be wary of subversive use of gotos inside expression statements.
88 Don't set maybe_multiple for a backward jump that does not
89 include the label under consideration into its range.
90 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
92 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
94 * explow.c (plus_constant_wide): Don't immediately return with
95 result of recursive call.
97 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
99 * eh-common.h (struct eh_context): Add table_index for rethrows.
101 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
102 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
103 processed when inlined or unrolled (ie duplicated in some way).
105 * rtl.c (reg_note_name): Add strings for new reg_note enums.
107 * expr.h (rethrow_libfunc): New library decl.
109 * optabs.c (rethrow_libfunc): Initialize.
111 * except.h (struct eh_entry): Add new field 'rethrow_label'.
112 (new_eh_region_entry): No longer exported from except.c.
113 (duplicate_handlers): Renamed to duplicate_eh_handlers and
115 (rethrow_symbol_map, rethrow_used): New exported functions.
116 (eh_region_from_symbol): New exported function.
118 * except.c (create_rethrow_ref): New function to create a single
119 SYMBOL_REF for a rethrow region.
120 (push_eh_entry): Initialize a rethrow ref.
121 (func_eh_entry): Add a rethrow_label field.
122 (new_eh_region_entry): Make static, and initialize the rethrow entry.
123 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
124 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
125 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
126 a region into an appropriate new symbol.
127 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
128 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
129 (end_catch_handler): Emit a barrier for new-exceptions since
130 control can never drop through the end of a catch block.
131 (expand_end_all_catch): new-exceptions never fall through a catch
133 (expand_rethrow): use __rethrow routine for new exceptions.
134 (output_exception_table_entry): Generate rethrow labels, if needed.
135 (output_exception_table): Generate start and end rethrow labels.
136 (init_eh): Create rethrow symbols for beginning and end of table.
137 (scan_region): Don't eliminate EH regions which are the targets of
140 * flow.c (make_edges): Add different edges for rethrow calls,
141 identified by having the REG_EH_RETHROW reg label.
142 (delete_unreachable_blocks): Don't delete regions markers which are
143 the target of a rethrow.
145 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
146 allow save_for_inline_copying to call duplicate_eh_handlers.
147 (save_for_inline_copying): Call duplicate_eh_handlers instead of
148 exposing internal details of exception regions.
149 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
150 (expand_inline_function_eh_labelmap): New callback routine to
151 allow expand_inline_function to call duplicate_eh_handlers.
152 (expand_inline_function): Call duplicate_eh_handlers instead of
153 exposing internal details of exception regions.
154 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
157 * libgcc2.c (find_exception_handler): Generalize to enable it to
158 pick up processing where it left off last time for a rethrow.
159 (__unwinding_cleanup): New function. debug hook which is called before
160 unwinding when __throw finds there is nothing but cleanups left.
161 (throw_helper): Common parts of __throw extracted out for reuse.
162 (__throw): Common parts moved to throw_helper.
163 (__rethrow): New function for performing rethrows.
165 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
167 * reload1.c (current_function_decl): Tweak declaration.
169 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
171 * c-decl.c (flag_isoc9x): Default off.
172 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
173 * cccp.c (print_help, main): Likewise.
174 * gcc.c (default_compilers): Update for -std=gnu*.
176 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
178 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
179 * demangle.h: Deleted.
181 * reload1.c (current_function_decl): Declare.
183 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
185 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
187 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
189 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
191 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
193 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
195 * configure: Rebuilt.
196 * system.h: If the *_unlocked functions are available use them
197 instead of the locked counterparts by defining macros.
198 * config.in: Regenerated.
200 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
202 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
203 wrong and should only be used for dump related things, not
204 debugging information, instead main_input_filename should be used.
205 Also, reuse output_file_directive if possible.
206 * i386/aix386ng.h (ASM_FILE_START): Likewise.
207 * i386/isc.h (ASM_FILE_START): Likewise.
208 * i386/win-nt.h (ASM_FILE_START): Likewise.
209 * i386/sun386.h (ASM_FILE_START): Likewise.
211 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
213 * configure.in (mips*-*-linux*): Handle big and little endian
215 * configure: Rebuilt.
217 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
219 * emit-rtl.c: Fix typo.
221 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
223 * reload1.c (eliminate_regs): Don't do anything, if we're not
226 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
228 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
230 * mips/mips.c (mips_select_section): Add comment.
232 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
234 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
235 characters in file names in #line to be consistent with #include
236 handling. We support escape prcessing in the # 1 "..." version of
237 the command. See also support in cp/lex.c.
238 (handle_directive): Likewise.
241 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
243 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
244 so it'll work on non-ASCII platforms. Always consider $ an
245 identifier character. Take no arguments.
246 (cpp_reader_init): Call initialize_char_syntax with no
248 (cpp_start_read): Don't call initialize_char_syntax again.
249 Clear is_idchar['$'] and is_idstart['$'] if not
250 opts->dollars_in_ident.
252 * cpplib.h (struct cpp_reader): Replace void *data element by
253 cpp_options *opts. Rearrange elements to make gdb printout
254 less annoying (put buffer stack at end).
255 (CPP_OPTIONS): Get rid of now-unnecessary cast.
257 * cppmain.c: s/data/opts/ when initializing cpp_reader
259 * c-decl.c: Likewise.
260 * objc/objc-act.c: Likewise.
261 * fix-header.c: Likewise.
263 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
265 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
266 with a struct file_name_list pointer.
267 (struct cpp_reader): Add pointer to chain of `actual
268 directory' include searchpath entries.
269 (struct file_name_list): Add *alloc pointer for the sake of
270 the actual-directory chain.
272 Move definition of HOST_WIDE_INT here.
273 (cpp_parse_escape): Change prototype to match changes in
276 * cppfiles.c (actual_directory): New function.
277 (finclude): Use it to initialize the buffer's actual_dir
279 (find_include_file): We don't need to fix up max_include_len
282 * cpplib.c (do_include): Don't allocate a file_name_list on
283 the fly for current directory "" includes, use the one that's
284 been preallocated in pfile->buffer->actual_dir. Hoist out
285 duplicate code from the search_start selection logic.
286 (cpp_reader_init): Initialize pfile->actual_dirs.
288 Remove definition of HOST_WIDE_INT. Change calls
289 to cpp_parse_escape to match changes in cppexp.c (note
290 hardcoded MASK, which is safe since this is the source
293 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
294 to handle wide character constants in #if directives. The
295 function now returns a HOST_WIDE_INT, and takes a third
296 argument which is a binary mask for all legal values (0x00ff
297 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
298 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
299 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
301 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
303 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
305 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
307 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
308 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
309 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
311 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
313 * final.c (output_asm_name): Use tabs to seperate comments from
316 Include instruction lengths (if defined) in output.
318 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
320 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
321 in the loop_info structure.
323 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
325 * configure.in: (arm*-*-ecos-elf): New target.
326 * configure: Regenerated.
327 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
328 * config/arm/ecos-elf.h: New file.
329 * config/arm/unknown-elf.h (TARGET_VERSION): Check
332 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
334 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
336 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
338 * version.c: Bump for snapshot.
340 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
342 * loop.c (check_dbra_loop): New argument loop_info. Update fields
345 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
347 * version.c: Bump for snapshot.
349 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
351 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
352 compressed reports are ok and preferred over URLs
354 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
356 * invoke.texi (Warning Options): Soften the tone of -pedantic
358 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
360 * print-rtl.c (print_rtx): Add prototype.
362 * unroll.c (iteration_info): Make it static.
364 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
366 * alias.c (memrefs_conflict_p): A second ANDed address
367 disables the aligned address optimization.
369 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
371 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
374 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
376 * i960.h (BOOL_TYPE_SIZE): Define.
378 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
380 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
381 from old valid_parallel_operands_4.
382 (valid_parallel_operands_4): Check that operands for 4 operand
383 parallel insns are valid, excluding load/store insns.
384 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
385 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
386 valid_parallel_load_store instead of valid_parallel_operands_4.
387 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
388 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
389 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
390 *notqi_movqi_clobber): Use valid_parallel_operands_4.
391 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
392 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
393 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
395 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
397 * config/c4x/c4x.c (iteration_info): Delete extern.
399 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
401 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
403 * final.c (cleanup_subreg_operands): Delete some unused code.
405 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
406 (struct insn_alternative): New structure definition.
407 (recog_op_alt): Declare variable.
408 (preprocess_constraints): Declare function.
409 * recog.c (recog_op_alt): New variable.
410 (extract_insn): Verify number of alternatives is in range.
411 (preprocess_constraints): New function.
412 * reg-stack.c: Include recog.h.
413 (constrain_asm_operands): Delete.
414 (get_asm_operand_lengths): Delete.
415 (get_asm_operand_n_inputs): New function.
416 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
417 N_OUTPUTS args. All callers changed.
418 Compute number of inputs and outputs here by calling
419 get_asm_operand_n_inputs.
420 Instead of constrain_asm_operands, call extract_insn,
421 constrain_operands and preprocess_constaints. Use information
422 computed by these functions throughout.
423 (record_reg_life): Delete code that is unused due to changes in
425 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
426 N_INPUTS and N_OUTPUTS args. All callers changed.
427 Similar changes as in record_asm_reg_life.
428 (subst_stack_regs): Move n_operands declaration into the if statement
430 Delete code that is unused due to changes in subst_asm_stack_regs.
431 * stmt.c (expand_asm_operands): Verify number of alternatives is in
433 * Makefile.in (reg-stack.o): Depend on recog.h.
435 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
437 * except.c (set_exception_version_code): Argument is an "int".
439 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
441 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
442 * configure: Rebuilt.
444 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
446 * configure.in (mipsel-*-linux*): New target.
447 * mips/linux.h: New file, based on other Linux targets.
449 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
451 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
452 runs in the context of the deleter, not the deletee, so we must
453 use taskVarGet to find the correct memory to free.
454 (__gthread_key_create): Initialize the task
455 variable subsystem so that the task variable is still active when
456 the delete hook is run.
458 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
460 * pdp11.h: Use optimize_size for space optimizations.
462 * pdp11.md: Likewise.
464 * pdp11.h (TARGET_40_PLUS): Fix typo.
466 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
468 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
471 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
473 * alias.c (addr_side_effect_eval): New function.
474 (memrefs_conflict_p): Use it.
475 * rtl.h (addr_side_effect_eval): Prototype it.
477 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
479 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
481 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
483 * reload.c (find_reloads): When force const to memory, put result
484 in substed_operand not *recog_operand_loc.
486 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
488 * c-lex.c: Fix indentation from last patch.
489 Remove trailing whitespace.
492 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
494 * flow.c (delete_block): Call set_last_insn after we have reset
495 NEXT_INSN (kept_tail).
497 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
499 * mips.md (trap_if): Use "$0" for the value zero.
501 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
502 Stephen L Moshier <moshier@world.std.com>
503 Richard Henderson <rth@cygnus.com>
505 * c-common.c (declare_function_name): Declare predefinied variable
508 * c-decl.c (flag_isoc9x): Set to 1 by default.
509 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
510 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
512 * c-parse.in: Allow constructors in ISO C 9x.
513 Rewrite designator list handling.
514 Allow [*] parameters.
515 Don't warn about comma at end of enum definition for ISO C 9x.
517 * cccp.c (c9x): New variable.
518 (rest_extension): New variable.
519 (print_help): Document new -std= option.
520 (main): Recognize -std= option. Set c9x appropriately.
521 (create_definition): Recognize ISO C 9x vararg macros.
523 * gcc.c (default_compilers): Adjust specs for -std options.
524 (option_map): Add --std.
525 (display_help): Document -std.
527 * toplev.c (documented_lang_options): Add -std and remove
530 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
531 or REAL_VALUE_HTOF based on base of the constants.
532 * fold-const.c (real_hex_to_f): New function. Replacement function
533 for hex FP conversion if REAL_ARITHMETIC is not defined.
534 * real.c (asctoeg): Add handling of hex FP constants.
535 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
538 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
540 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
541 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
542 expansion. Use hi/lo as destination register.
544 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
545 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
546 Avoid as macro expansion. Use hi/lo as destination register.
548 * mips.h (MASK_CHECK_RANGE_DIV): New.
549 (MASK_NO_CHECK_ZERO_DIV): New.
550 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
551 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
552 return address for leaf functions out of r31 to support
553 builtin_return_address.
555 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
557 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
558 NEXT_INSN(x) to check insn x.
560 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
562 * flow.c (delete_block): Call set_last_insn if we end up deleting the
563 last insn in the rtl chain.
565 * reload1.c (reload): Do not set reload_completed or split insns
567 * toplev.c (rest_of_compilation): Set reload_completed after
568 reload returns. Split insns after reload_cse has run.
570 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
572 * final.c (final_scan_insn): Abort if block_depth falls below 0.
574 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
576 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
578 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
580 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
581 use of user-label_prefix.
583 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
585 * reload1.c (emit_reload_insns): Clear spill_reg_store
586 when doing a new non-inherited reload from the same pseudo.
588 * local-alloc.c (function_invariant_p): New function.
589 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
590 to decide if an equivalence should be recorded.
591 * reload1.c (num_eliminable_invariants): New static variable.
592 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
593 to decide if an equivalence should be recorded.
595 (calculate_needs_all_insns): Skip insns that only set an equivalence.
596 Take num_eliminable_invariants into account when deciding
597 if register elimination should be done.
598 (reload_as_needed): Take num_eliminable_invariants into account
599 when deciding if register elimination should be done.
600 (eliminate_regs): Handle non-constant reg_equiv_constant.
601 * rtl.h (function_invariant_p): Declare.
603 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
605 * version.c: Bump for snapshot.
607 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
609 * version.c: Bump for snapshot.
611 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
613 * except.c (add_new_handler): Complain about additional handlers
614 after one that catches everything.
616 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
618 * configure.in (alpha*-*-netbsd): Fix typo.
619 * configure: Rebuilt.
621 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
623 * system.h: Include libiberty.h.
625 * c-aux-info.c: Remove prototypes for concat/concat3. Change
626 function `concat' from fixed parameters to variable parameters,
627 as is done in libiberty. All callers of concat/concat3
628 changed to use the new `concat' with variable args.
630 * cccp.c: Remove things made redundant by libiberty.h and/or
631 conform to libiberty standards.
633 * collect2.c: Likewise.
634 * config/1750a/1750a.h: Likewise.
635 * cppalloc.c: Likewise.
636 * cppexp.c: Likewise.
637 * cppfiles.c: Likewise.
638 * cpphash.c: Likewise.
639 * cpplib.c: Likewise.
640 * dyn-string.c: Likewise.
641 * fix-header.c: Likewise.
644 * genattr.c: Likewise.
645 * genattrtab.c: Likewise.
646 * gencheck.c: Likewise.
647 * gencodes.c: Likewise.
648 * genconfig.c: Likewise.
649 * genemit.c: Likewise.
650 * genextract.c: Likewise.
651 * genflags.c: Likewise.
652 * gengenrtl.c: Likewise.
653 * genopinit.c: Likewise.
654 * genoutput.c: Likewise.
655 * genpeep.c: Likewise.
656 * genrecog.c: Likewise.
657 * getpwd.c: Likewise.
658 * halfpic.c: Likewise.
660 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
661 in NEED_DECLARATION_* macros.
663 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
664 conform to libiberty standards.
665 (fatal): Fix const-ification of variable `format' in
666 !ANSI_PROTOTYPES case.
668 * prefix.c: Remove things made redundant by libiberty.h and/or
669 conform to libiberty standards.
671 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
672 conflicting with function `spaces' from libiberty.
674 * profile.c: Remove things made redundant by libiberty.h and/or
675 conform to libiberty standards.
676 * protoize.c: Likewise.
680 * toplev.c: Likewise.
681 * toplev.h: Likewise.
684 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
686 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
688 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
690 * README.C4X: Updated URLs.
691 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
692 (valid_parallel_operands_5): Remove unused variable.
694 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
696 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
698 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
700 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
701 which can be configured.
702 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
703 (Makefile): Pass actual LANGUAGES through the environment when
705 (cstamp-h): Likewise.
706 (config.status): Likewise.
708 * configure.in (enable_languages): Add new configuration parameter
709 "--enable-languages=lang1,lang2,...".
710 (${srcdir}/*/config-lang.in): Change handling to configure only
711 those directories, that the user might have enabled; default to
712 "all" existing languages.
713 * configure: Regenerate.
715 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
717 * rtlanal.c (regs_set_between_p): New function.
718 * rtl.h (regs_set_between_p): Prototype it.
719 * jump.c (jump_optimize): Use it instead of modified_between_p
722 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
723 Matthias Pfaller <leo@dachau.marco.de>
725 * invoke.texi (Option Summary, NS32K Options): add description
726 of NS32K specific options.
728 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
729 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
730 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
731 negdf2, absdf2): Use l instead of f since the double class and
732 float class are no longer the same.
733 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
734 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
735 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
736 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
738 (cmpsi, cmphi, cmpqi): use general_operand instead of
739 non_immediate_operand. Removes erroneous assumption that can't
741 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
742 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
744 (movstrsi, movstrsi1, movstrsi2): completely new block move
746 (...): Patterns to exploit multiply-add instructions.
747 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
748 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
749 patterns to exploit extended divide insns.
750 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
753 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
754 float return values as well as simple scalar floats.
755 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
756 support new flag to denote 32381 fpu.
757 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
758 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
760 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
761 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
762 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
763 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
764 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
765 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
766 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
767 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
768 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
769 fpu registers and special register classes for new 32381
770 instructions dotf and polyf.
771 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
773 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
774 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
776 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
777 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
778 (REGISTER_MOVE_COST): move code to register_move_cost function for
779 ease of coding and debugging.
780 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
781 LONG_FLOAT_REGO is likely spilled but not caught by default
783 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
784 instead of hard coded numbers in range check.
785 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
786 (...): Add prototypes for functions in ns32k.c but disable because
787 of problems when ns32k.h is included in machine independant files.
789 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
790 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
791 hard_regno_mode_ok, secondary_reload_class,
792 print_operand, print_operand_address): new register scheme to
793 include 32381 fpu registers and special register classes for new
794 32381 instructions dotf and polyf.
795 (gen_indexed_expr): Make static to keep namespace clean.
796 (check_reg): remove since never called.
797 (move_tail, expand_block_move): helper functions for "movstrsi"
799 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
800 Increase cost of moves which go via memory.
801 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
802 (CPP_PREDEFINES): nolonger predefine "unix".
804 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
805 Remove erroneous %$. print_operand() can work out from the rtx is
806 an immediate prefix is required.
808 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
809 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
810 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
812 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
815 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
816 Correct handling of pic operands.
817 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
818 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
819 -mrtd calling convention.
821 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
823 * gcc.c (option_map): Recognize --output-class-directory.
825 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
827 * loop.h (precondition_loop_p): Added new mode argument.
828 * unroll.c (precondition_loop_p): Likewise.
829 (approx_final_value): Function deleted and subsumed
830 into loop_iterations.
831 (loop_find_equiv_value): New function.
832 (loop_iterations): Use loop_find_equiv_value to find increments
833 too large to be immediate constants. Also use it to find terms
834 common to initial and final iteration values that can be removed.
836 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
838 * loop.h (struct loop_info): Define new structure.
839 (precondition_loop_p): Added prototype.
840 (unroll_loop): Added new argument loop_info to prototype.
841 (final_biv_value, final_giv_value): Added new argument n_iterations
843 * loop.c (strength_reduce): Declare new structure loop_iteration_info
844 and new pointer loop_info.
845 (loop_n_iterations): Replace global variable by element in
847 (check_final_value): New argument n_iterations.
848 (insert_bct): New argument loop_info.
849 (loop_unroll_factor): Replace global array by element in
851 (loop_optimize): Remove code to allocate and initialise
852 loop_unroll_factor_array.
853 * unroll.c (precondition_loop_p): No longer static since
854 used by branch on count optimization.
855 (precondition_loop_p, unroll_loop): New argument loop_info.
856 (final_biv_value, final_giv_value, find_splittable_regs): New
857 argument n_iterations.
858 (loop_iteration_var, loop_initial_value, loop_increment,
859 loop_final_value, loop_comparison_code, loop_unroll_factor):
860 Replaced global variables by loop_info structure.
861 (loop_unroll_factor): Replace global array by element in
864 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
866 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
869 * unroll.c (precondition_loop_p): Return loop_initial_value
870 for initial_value instead of loop_iteration_var.
872 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
874 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
875 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
876 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
877 to output the instruction sequences.
879 (rptb_top): Provide alternatives to use any register or memory
881 (rptb_end): Emit use of operands rather than assigning them
882 explicitly to the RS and RE registers.
884 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
886 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
887 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
888 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
889 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
890 c4x_merge_notes, c4x_parallel_process,
891 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
892 c4x_combine_parallel): Delete.
894 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
896 * config/c4x/c4x.c: (c4x_override_options): For compatibility
897 with old target options clear flag_branch_on_count_reg if
898 -mno-rptb specified and set flag_argument_alias is -mno-aliases
900 (c4x_output_cbranch): Handle a sequence of insns rather than a
902 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
903 has not been allocated as the loop counter.
904 (c4x_address_conflict): Do not allow two volatile memory references.
905 (valid_parallel_operands_4, valid_parallel_operands_5,
906 valid_parallel_operands_6): Reject pattern if the register destination
907 of the first set is used as part of an address in the second set.
909 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
911 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
912 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
913 is no longer enabled if PARALLEL_MPY_FLAG set.
914 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
915 (REG_CLASS_CONTENTS): Add braces around initializers.
916 (HAVE_MULTIPLE_PACK): Define.
917 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
918 REAL_VALUE_TO_DECIMAL.
919 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
920 REAL_VALUE_TO_DECIMAL.
921 (ar0_reg_operand): Add prototype.
922 (ar0_mem_operand): Likewise.
923 (ar1_reg_operand): Likewise.
924 (ar1_mem_operand): Likewise.
925 (ar2_reg_operand): Likewise.
926 (ar2_mem_operand): Likewise.
927 (ar3_reg_operand): Likewise.
928 (ar3_mem_operand): Likewise.
929 (ar4_reg_operand): Likewise.
930 (ar4_mem_operand): Likewise.
931 (ar5_reg_operand): Likewise.
932 (ar5_mem_operand): Likewise.
933 (ar6_reg_operand): Likewise.
934 (ar6_mem_operand): Likewise.
935 (ar7_reg_operand): Likewise.
936 (ar7_mem_operand): Likewise.
937 (ir0_reg_operand): Likewise.
938 (ir0_mem_operand): Likewise.
939 (ir1_reg_operand): Likewise.
940 (ir1_mem_operand): Likewise.
941 (group1_reg_operand): Likewise.
942 (group1_mem_operand): Likewise.
943 (ir1_reg_operand): Likewise.
944 (arx_reg_operand): Likewise.
945 (not_rc_reg): Likewise.
946 (not_modify_reg): Likewise.
947 (c4x_group1_reg_operand): Remove prototype.
948 (c4x_group1_mem_operand): Likewise.
949 (c4x_arx_reg_operand): Likewise.
951 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
953 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
954 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
956 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
958 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
961 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
963 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
964 unless FMOVD_WORKS is defined.
966 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
968 * regclass.c (init_reg_sets): Move code that calculates tables
969 dependent on reg_class_contents from here...
970 (init_reg_sets_1): To here.
972 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
974 * cpplib.h: Delete struct import_file. Add ihash element to
975 struct cpp_buffer. Delete dont_repeat_files and
976 import_hash_table elements from cpp_reader; change
977 all_include_files to a hash table. Delete all foobar_include
978 / last_foobar_include elements from struct cpp_options; put
979 back four such: quote_include, bracket_include,
980 system_include, after_include. Redo struct file_name_list
981 completely. Add new structure type include_hash. Add
982 prototypes for merge_include_chains and include_hash. Change
983 prototypes for finclude, find_include_file, and
984 append_include_chain to match changes below.
986 * cppfiles.c (simplify_pathname, include_hash,
987 remap_filename, merge_include_chains): New functions.
988 (add_import, lookup_import, open_include_file): Removed.
989 (INO_T_EQ): Define this (copied from cccp.c).
990 (hack_vms_include_specification): Remove all calls and #if 0
991 out the definition. It was being called incorrectly and at
992 the wrong times. Until a VMSie can look at this, it's better
993 to not pretend to support it.
994 (append_include_chain): Change calling convention; now takes
995 only one directory at a time, and sets up the data structure
997 (redundant_include_p): Rewritten - this is now used for all
998 include redundancy, whether by #ifndef, #import, or #pragma
999 once. Looks up things in the include hash table.
1000 (file_cleanup): Decrement pfile->system_include_depth here if
1002 (find_include_file): Calling convention changed; now passes
1003 around a struct include_hash instead of 3 separate parameters.
1004 Guts ripped out and replaced with new include_hash mechanism.
1005 (finclude): Calling convention changed as for
1006 find_include_file. Error exits pulled out-of-line. Reformat.
1007 (safe_read): Return a long, not an int.
1008 (deps_output): Don't recurse.
1010 * cpplib.c (is_system_include): Deleted.
1011 (path_include): Fix up call to append_include_chain.
1012 (do_include): Fix up calls to find_include_file and finclude.
1013 Clean up dependency output a bit. Shorten obnoxiously lengthy
1014 #import warning message. Don't decrement
1015 pfile->system_include_depth here.
1016 (do_pragma): Understand the include_hash structure. Reformat.
1017 (do_endif): Correct handling of control macros. Understand
1019 (cpp_start_read): Fix up calls to finclude. Call
1020 merge_include_chains.
1021 (cpp_handle_option): Fix up calls to append_include_chain.
1022 Understand the four partial include chains.
1023 (cpp_finish): Add debugging code (#if 0-ed out) for the
1025 (cpp_cleanup): Free the include_hash, not the import hash and
1026 the all_include and dont_repeat lists which no longer exist.
1028 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1030 * toplev.c (no_new_pseudos): Define.
1031 (rest_of_compilation): Set no_new_pseudos as needed.
1032 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1033 if no_new_pseudos is set.
1034 * rtl.h (no_new_pseudos): Declare it.
1035 * reload1.c (reload): Update comments.
1036 * md.texi: Corresponding changes.
1038 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1040 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1041 (choose_reload_regs): Rename it here as well. When computing it,
1042 also merge in used hardregs.
1044 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1046 * gcc.c: Split out Objective-C specs to...
1047 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1050 * c-lex.c (init_parse): Always initialize the filename global.
1051 * objc/objc-act.c (lang_init): Always call check_newline at
1054 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1056 * reload1.c (reload): Remove unused variable.
1057 (reload_reg_free_for_value_p): Add missing parameter definition.
1059 * jump.c (jump_optimize): Remove unused variable.
1061 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1063 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1065 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1067 * expr.c (move_by_pieces): Similarly.
1068 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1069 * flow.c (find_auto_inc): Similarly.
1070 (try_pre_increment): Similarly.
1071 * loop.c (strength_reduce): Similarly.
1072 * regclass.c (auto_inc_dec_reg_p): Similarly.
1073 * regmove.c (try_auto_increment): Similarly.
1074 (fixup_match_1): Similarly.
1075 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1076 (HAVE_PRE_DECREMENT): Similarly.
1077 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1078 * Corresponding changes to all target header files.
1079 * tm.texi: Update docs for autoinc addressing modes.
1081 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1083 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1084 * configure: Rebuild.
1085 * config/elfos.h: New file.
1086 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1087 config/m68k/t-m68kelf: New file.
1089 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1091 * Makefile.in (HOST_AR): Define.
1092 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1093 (libcpp.a): Use the host tools explicitly.
1094 (STAGESTUFF): Add libcpp.a.
1096 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1098 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1099 to source and destination registers.
1101 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1103 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1104 The strategy we now use is to pre allocate the top_elt along
1105 with the EH context so that each thread has its own top_elt.
1106 This is necessary as the dynmanic cleanup chain is used on the
1107 top element of the stack and each thread MUST have its own.
1108 (eh_context_static): Likewise.
1109 (new_eh_context): Likewise.
1110 (__sjthrow): Likewise.
1112 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1114 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1115 * i386.md (prologue_get_pc): Remove unused variable.
1117 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1119 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1121 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1123 * Makefile.in (OBJS): Add graph.o
1124 (graph.o): New dependency list.
1125 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1126 * print-rtl.c (dump_for_graph): Define new variable.
1127 (print_rtx): Rewrite to allow use in graph dumping functions.
1128 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1129 finish_graph_dump_file.
1130 Define graph_dump_format.
1131 (compile_file): If graph dumping is enabled also clear these files.
1132 Finish graph dump files.
1133 (rest_of_compilation): Also dump graph information if enabled.
1134 (main): Recognize -dv to enabled VCG based graph dumping.
1135 * graph.c: New file. Graph dumping functions.
1137 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1139 * configure.in: Look for <sys/stat.h>.
1140 * system.h: Include it before substitute S_ISREG definitions.
1142 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1144 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1145 * config/mips/iris6.h: Same.
1146 * config/mips/mips.md: Same.
1147 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1148 * config/mips/mips.h: Same; also define ABI_O64.
1150 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1152 * configure.in: Use AC_PREREQ(2.12.1).
1154 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1156 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1157 * cpplib.c, gcc.c: Likewise.
1158 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1160 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1162 * local-alloc.c (local_alloc): Use malloc not alloca for
1163 reg_qty, reg_offset, ref_next_in_qty.
1165 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1167 * caller-save.c (insert_one_insn): Initialize the live_before and
1168 live_after register sets.
1172 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1173 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1174 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1175 (fp_reg_names, assembler_dialect): New variables.
1176 (print_operand_address): Handle SUBREGs.
1177 (print_operand): Added 'o' case.
1178 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1179 Name of FP registers depends on mode.
1180 (expand_block_move): Emit different code for SH4 hardware.
1181 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1182 (from_compare): Likewise.
1183 (add_constant): New argument last_value. Changed all callers.
1184 (find_barrier): Don't try HImode load for FPUL_REG.
1185 (machine_dependent_reorg): Likewise.
1186 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1187 (gen_far_branch): Emit a barrier after the new jump.
1188 (barrier_align): Don't trust instruction lengths before
1190 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1191 Use auto-inc addressing for fp registers if doubles need to
1192 be loaded in two steps.
1193 Set sh_flag_remove_dead_before_cse.
1194 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1195 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1196 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1197 Support for FIRST_XD_REG .. LAST_XD_REG.
1198 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1199 (sh_expand_epilogue): Likewise.
1200 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1201 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1202 (arith_reg_operand): FPUL_REG is OK for SH4.
1203 (fp_arith_reg_operand, fp_extended_operand) New functions.
1204 (tertiary_reload_operand, fpscr_operand): Likewise.
1205 (commutative_float_operator, noncommutative_float_operator): Likewise.
1206 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1207 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1208 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1209 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1210 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1211 (CONDITIONAL_REGISTER_USAGE): Likewise.
1212 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1213 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1214 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1215 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1216 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1217 to -1 and sh_flag_remove_dead_before_cse to 1.
1218 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1219 (assembler_dialect, fp_reg_names): Declare.
1220 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1221 Hide names of registers that are not accessible.
1222 (CACHE_LOG): Take TARGET_CACHE32 into account.
1223 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1224 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1225 (FIRST_PSEUDO_REGISTER: Now 49.
1226 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1227 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1228 (HARD_REGNO_MODE_OK): Update.
1229 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1230 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1231 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1232 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1233 (NPARM_REGS): Eight floating point parameter registers on SH4.
1234 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1235 in floating point registers.
1236 (GET_SH_ARG_CLASS) Likewise.
1237 Complex float types are also returned in float registers.
1238 (BASE_ARG_REG): Complex float types are also passes in float registers.
1239 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1240 (LIBCALL_VALUE): Remove trailing semicolon.
1241 (ROUND_REG): Round when double precision value is passed in floating
1243 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1244 passed on the stack.
1245 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1246 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1247 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1248 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1249 (MODE_DISP_OK_8): Not for SH4 DFmode.
1250 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1251 Allow indexed addressing for PSImode after reload.
1252 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1253 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1254 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1255 (DOUBLE_TYPE_SIZE): 64 for SH4.
1256 (RTX_COSTS): Add PLUS case.
1257 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1258 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1259 MAC_REGS, PR_REGS, DF_REGS.
1260 (REGISTER_NAMES): Use fp_reg_names.
1261 (enum processor_type): Add PROCESSOR_SH4.
1262 (sh_flag_remove_dead_before_cse): Declare.
1263 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1264 (PREDICATE_CODES): Add binary_float_operator,
1265 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1266 fpscr_operand, noncommutative_float_operator.
1267 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1268 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1269 * sh.md (attribute cpu): Add value sh4.
1270 (attrbutes fmovd, issues): Define.
1271 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1272 (function units memory, int, mpy, fp): Make dependent on issue rate.
1273 (function units issue, single_issue, load_si, load): Define.
1274 (function units load_store, fdiv, gp_fpul): Define.
1275 (attribute hit_stack): Provide proper default.
1276 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1277 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1278 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1279 (mulsi3_call): Now uses match_operand for function address.
1280 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1282 (push, pop, push_e, pop_e): Now define_expands.
1283 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1284 (movsi_ie): Added y/i alternative.
1285 (ic_invalidate_line_i, movdf_i4): New insns.
1286 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1287 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1288 (movdf): Add special code for SH4.
1289 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1290 (call_valuei, calli, call_value): Likewise.
1291 (movsf): Emit no-op move.
1292 (mov_nop, movsi_y): New insns.
1293 (blt, sge): generalize to handle DFmode.
1294 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1295 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1296 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1297 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1298 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1299 (toggle_sz): New insn.
1300 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1301 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1302 (macsf3): Make use of fpscr visible. Disable for SH4.
1303 (floatsisf2): Make use of fpscr visible.
1304 (floatsisf2_i4): New insn.
1305 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1306 (ieee_ccmpeqsf_t): Likewise.
1307 (fix_truncsfsi2): Emit different code for SH4.
1308 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1309 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1310 (negsf2, sqrtsf2, abssf2): Now expanders.
1311 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1312 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1313 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1314 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1315 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1316 (fix_truncdfsi2_i4_2+1): New splitters.
1317 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1318 (extendsfdf2, truncdfsf2): New expanders.
1319 (truncdfsf2_i4): New insn.
1320 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1321 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1322 * float-sh.h: When testing for __SH3E__, also test for
1323 __SH4_SINGLE_ONLY__ .
1324 * va-sh.h (__va_freg): Define to float.
1325 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1326 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1327 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1328 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1330 (TARGET_SH4_P): Define.
1333 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1334 init_expr_once is satisfied about the existence of load / store insns.
1336 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1337 change m constraint in source operand to mr / mf .
1339 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1341 * (__VA_REEF): Define.
1342 (__va_arg_sh1): Use it.
1344 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1346 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1348 * i386/dgux.c (struct option): Add new "description field".
1349 * m88k/m88k.c (struct option): Likewise.
1351 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1353 * version.c: Bump for snapshot.
1355 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1357 * regmove.c (regmove_profitable_p): Use return value of find_matches
1360 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1362 * version.c: Bump for snapshot.
1364 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1366 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1367 without reload having been called earlier.
1369 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1371 (v850_reorg): Similarly.
1373 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1375 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1377 * loop.c (move_movables): Start of libcall might be new loop start.
1379 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1381 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1383 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1385 * function.c (nonlocal_goto_handler_slots): Renamed from
1386 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1387 (push_function_context_to): Adjust for this change.
1388 (pop_function_context_from): Likewise.
1389 (init_function_start): Likewise.
1390 (expand_function_end): Likewise.
1391 * function.h (struct function): Likewise.
1392 * calls.c (expand_call): Likewise.
1393 * explow.c (allocate_dynamic_stack_space): Likewise.
1394 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1395 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1397 (expand_goto): When doing a nonlocal goto, find corresponding handler
1398 slot for it. Don't put the label address in the static chain register.
1399 (expand_end_bindings): Break out nonlocal goto handling code into
1400 three new functions.
1401 (expand_nl_handler_label, expand_nl_goto_receiver,
1402 expand_nl_goto_receivers): New static functions, broken out of
1403 expand_end_bindings and adapted to create one handler per nonlocal
1405 * function.c (delete_handlers): Delete insn if it references any of
1406 the nonlocal goto handler slots.
1407 * i960.md (nonlocal_goto): Comment out code that modifies
1409 * sparc.md (nonlocal_goto): Likewise.
1410 (goto_handler_and_restore_v9): Comment out.
1411 (goto_handler_and_restore_v9_sp64): Comment out.
1413 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1415 * expr.c (STACK_BYTES): Delete unused macro.
1416 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1417 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1418 (expand_call): Likewise.
1419 (emit_library_call): Likewise.
1420 (emit_library_call_value): Likewise.
1421 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1422 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1423 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1424 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1425 (allocate_dynamic_stack_space): Likewise.
1426 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1427 (STACK_BOUNDARY): Update description to reflect the new situation.
1429 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1431 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1432 return with a filled delay slot is followed by a return with an
1433 unfilled delay slot, delete the first return and reemit the insn
1434 that was previously in its delay slot.
1436 * i860.c (single_insn_src_p): Add missing parens.
1437 * ginclude/math-3300.h: Likewise.
1439 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1441 * regclass.c (init_reg_sets_1): Add prototype.
1442 (init_reg_modes): Likewise.
1444 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1446 * c-common.c: Change warning messages to say `comparison is
1447 always true' or `comparison is always false' instead of the
1448 confusing `is always 0', `is always 1'.
1450 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1452 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1453 break instead of return (which loses closing '>').
1455 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1457 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1458 standard 387 constants.
1460 * i386.md (jump): Explicitly set "memory" attribute.
1461 (indirect_jump, prologue_set_stack_ptr): Likewise.
1462 (prologue_get_pc_and_set_got, pop): Likewise.
1463 (allocate_stack_worder, blockage, return_internal): Likewise.
1464 (return_pop_internal, nop): Likewise.
1465 (epilogue_set_stack_ptr, leave): Likewise.
1467 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1469 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1471 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1473 * reload1.c (reload_reg_free_for_value_p):
1474 Early auto_inc reloads don't conflict with outputs.
1476 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1478 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1479 Instead call AC_HEADER_SYS_WAIT.
1481 * collect2.c: Don't provide defaults for sys/wait.h macros.
1483 * protoize.c: Likewise. Also, don't include sys/wait.h.
1485 * system.h: Include sys/wait.h and provide macro defaults.
1487 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1489 * Makefile.in (mandir): Set to @mandir@.
1490 (man1dir): New variable to hold the former value of $(mandir).
1491 Replace all uses of $(mandir) by $(man1dir).
1493 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1495 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1496 a new one before passing it to force_const_mem.
1498 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1499 find_reloads_address call.
1501 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1503 * expr.c (store_expr): Don't generate load-store pair
1504 if TEMP is identical (according to ==) with TARGET.
1506 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1508 * reload1.c (reload_reg_free_for_value_p): When considered reload
1509 has an output, matching inputs are not sufficient to avoid conflict.
1511 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1513 * hash.h (hash_table_key): New type.
1514 (hash_entry): Change `string' field to generic `key'.
1515 (hash_table): Add `comp' and `hash' functions.
1516 (hash_table_init): Take them as input.
1517 (hash_table_init_n): Likewise.
1518 (hash_lookup): Modify for generic keys.
1519 (hash_newfunc): Likewise.
1520 (hash_traverse): Likewise.
1521 (string_hash): New function.
1522 (string_compare): Likewise.
1523 (string_copy): Likewise.
1524 * hash.c (hash_table_init_n): Modify for generic keys.
1525 (hash_table_init): Likewise.
1526 (hash_lookup): Likewise.
1527 (hash_newfunc): Likewise.
1528 (hash_traverse): Likewise.
1529 (string_hash): Split out from hash_lookup.
1530 (string_compare): New function.
1531 (string_copy): Split out from hash_lookup.
1532 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1534 (symbol_hash_lookup): Likewise.
1535 (file_hash_newfunc): Likewise.
1536 (file_hash_lookup): Likewise.
1537 (demangled_hash_newfunc): Likewise.
1538 (demangled_hash_lookup): Likewise.
1539 (tlink_int): Likewise.
1540 (read_repo_file): Likewise.
1541 (recompile_files): Likewise.
1542 (demangle_new_symbols): Likewise.
1543 (scan_linker_output): Likewise.
1545 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1547 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1549 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1551 * rs6000.c (output_mi_thunk): Improve test for local branch.
1553 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1555 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1557 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1559 * reload1.c (reload_reg_free_before_p): Delete.
1560 Changed all callers to use reload_reg_free_for_value_p instead.
1561 (reload_reg_free_for_value_p): Handle more reload types.
1562 A RELOAD_FOR_INPUT doesn't conflict with its
1563 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1564 Add special case for OUT == const0_rtx.
1565 Added ignore_address_reloads argument. Changed all callers.
1567 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1569 * toplev.c (compile_file): Don't pedwarn about undefined static
1570 functions just because we passed -Wunused.
1572 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1574 * function.c (purge_addressof_1): Unshare rtl created by
1577 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1579 * regmove.c (regmove_optimize): Don't do anything but
1580 optimize_reg_copy[123] when flag_regmove is not set.
1582 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1584 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1585 value in paradoxical SImode result, rather than truncating midpoint.
1587 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1589 * alpha.c (reg_not_elim_operand): New.
1590 * alpha.h (PREDICATE_CODES): Add it.
1591 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1592 for the multiplicand.
1594 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1596 * rs6000.md (movsf): Remove explicit secondary-reload-like
1597 functionality. Only truncate SFmode store if in FPR.
1598 (movsf splitters): Combine const_double splitters.
1599 (movsf_hardfloat): Add GPR support.
1601 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1603 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1604 deprecate -mlive-g0 and -mbroken-saverestore.
1605 * t-splet (MULTILIB_OPTIONS): Likewise.
1607 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1608 in a leaf function. Clarify total_size/extra_size relationship.
1610 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1612 * i386/cygwin32.asm: Delete.
1613 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1614 * i386/cygwin32.h: Delete.
1615 * i386/cygwin.h: New file, renamed from cygwin32.h.
1616 * i386/t-cygwin32: Delete.
1617 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1618 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1619 * i386/x-cygwin32: Delete.
1620 * i386/x-cygwin: New file, renamed from x-cygwin32.
1621 * i386/xm-cygwin32: Delete.
1622 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1623 renamed cygwin_ funcs for path translations.
1624 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1625 * i386/winnt.c: Remove "32" from comment about cygwin.
1626 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1627 * rs6000/cygwin32.h: Delete.
1628 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1629 -D__CYGWIN__ to CPP_PREDEFINES.
1630 * rs6000/x-cygwin32: Delete.
1631 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1632 * rs6000/xm-cygwin32: Delete.
1633 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1635 * configure.in: Check for cygwin* instead of cygwin32. Account
1636 for the rename of cygwin-related config files to lose the "32"s.
1637 * configure: Regenerate.
1639 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1640 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1642 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1644 * Makefile.in (JAVAGC): New macro.
1645 * configure: Rebuilt.
1646 * configure.in: Recognize --enable-java-gc argument. Subst
1649 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1651 Handle equivalences that have been obscured by gcse:
1653 * reload1.c (reload): Handle equivalences set up in multiple places.
1654 * local-alloc.c (reg_equiv_init_insns): New variable.
1655 (no_equiv): New function.
1656 (update_equiv_regs): Handle equivalences set up in multiple places.
1657 Don't ignore an insn just because its destination is likely to be
1660 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1662 * except.c (expand_eh_return): Readd force_operand call lost in
1665 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1667 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1669 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1671 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1673 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1675 * regmove.c (regmove_optimize): Fix error in last change.
1677 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1679 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1680 offset in the .mask pseudo to compensate for frame pointer adjustments.
1681 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1682 word swap arguments moved to/from FP registers.
1683 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1685 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1687 * version.c: Bump for snapshot.
1689 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1691 * version.c: Bump for snapshot.
1693 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1695 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1696 times, then it can not be completely replaced.
1698 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1700 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1702 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1704 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1705 (to distinguish it from the macro wrapping ansidecl.h.)
1706 Include libiberty's ansidecl.h. Remove all redundant definitions.
1707 Define the PROTO() style macros in terms of the PARAMS() ones.
1710 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1711 __STDC__, when deciding whether to use ANSI variable args.
1712 (emit_library_call_value): Likewise.
1714 * cccp.c (error): Likewise.
1715 (warning): Likewise.
1716 (error_with_line): Likewise.
1717 (warning_with_line): Likewise.
1718 (pedwarn): Likewise.
1719 (pedwarn_with_line): Likewise.
1720 (pedwarn_with_file_and_line): Likewise.
1723 * cexp.y (error): Likewise.
1724 (pedwarn): Likewise.
1725 (warning): Likewise.
1727 * collect2.c (fatal_perror): Likewise.
1731 * combine.c (gen_rtx_combine): Likewise.
1733 * cpperror.c (cpp_message): Likewise.
1734 (cpp_fatal): Likewise.
1736 * cpplib.c (cpp_error): Likewise.
1737 (cpp_warning): Likewise.
1738 (cpp_pedwarn): Likewise.
1739 (cpp_error_with_line): Likewise.
1740 (cpp_warning_with_line): Likewise.
1741 (cpp_pedwarn_with_line): Likewise.
1742 (cpp_pedwarn_with_file_and_line): Likewise.
1744 * cpplib.h: Don't define PARAMS() macro.
1746 * demangle.h: Likewise.
1748 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1749 when deciding whether to use ANSI variable args.
1751 * emit-rtl.c (gen_rtx): Likewise.
1752 (gen_rtvec): Likewise.
1754 * final.c (asm_fprintf): Likewise.
1756 * fix-header.c (cpp_message): Likewise.
1758 (cpp_fatal): Likewise.
1760 * gcc.c (concat): Likewise.
1764 * genattr.c (fatal): Likewise.
1766 * genattrtab.c (attr_rtx): Likewise.
1767 (attr_printf): Likewise.
1770 * gencodes.c (fatal): Likewise.
1772 * genconfig.c (fatal): Likewise.
1774 * genemit.c (fatal): Likewise.
1776 * genextract.c (fatal): Likewise.
1778 * genflags.c (fatal): Likewise.
1780 * genopinit.c (fatal): Likewise.
1782 * genoutput.c (fatal): Likewise.
1785 * genpeep.c (fatal): Likewise.
1787 * genrecog.c (fatal): Likewise.
1789 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1790 deciding whether to declare `tree_node' and `rtx_def'.
1792 * hash.h: Don't define stuff we get from gansidecl.h.
1794 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1795 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1796 whether to use ANSI variable args.
1799 * prefix.c (concat): Likewise.
1803 * system.h: Likewise.
1805 * toplev.c (error_with_file_and_line): Likewise.
1806 (error_with_decl): Likewise.
1807 (error_for_asm): Likewise.
1810 (warning_with_file_and_line): Likewise.
1811 (warning_with_decl): Likewise.
1812 (warning_for_asm): Likewise.
1813 (warning): Likewise.
1814 (pedwarn): Likewise.
1815 (pedwarn_with_decl): Likewise.
1816 (pedwarn_with_file_and_line): Likewise.
1818 (really_sorry): Likewise.
1820 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1821 whether to declare `tree_node' and `rtx_def'.
1823 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1824 deciding whether to use ANSI variable args.
1825 (build_nt): Likewise.
1826 (build_parse_node): Likewise.
1828 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1830 * version.c: Bump for snapshot.
1832 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1834 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1836 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1838 * collect2.c (main, case 'b'): Use else if.
1840 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1842 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1843 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1844 before the config/ directory headers.
1845 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1846 gansidecl.h in the list of dependencies.
1848 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1849 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1850 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1851 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1852 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1853 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1856 * cccp.c: Don't include gansidecl.h.
1858 * collect2.c: Likewise.
1859 * config/c4x/c4x.c: Likewise.
1860 * config/v850/v850.h: Likewise.
1861 * cppalloc.c: Likewise.
1862 * cpperror.c: Likewise.
1863 * cppexp.c: Likewise.
1864 * cppfiles.c: Likewise.
1865 * cpphash.c: Likewise.
1866 * cpplib.c: Likewise.
1867 * cppmain.c: Likewise.
1868 * cppulp.c: Likewise.
1869 * demangle.h: Likewise.
1870 * doprint.c: Likewise.
1871 * dyn-string.c: Likewise.
1872 * eh-common.h: Likewise.
1873 * fix-header.c: Likewise.
1874 * frame.c: Likewise.
1877 * gen-protos.c: Likewise.
1878 * gencheck.c: Likewise.
1879 * halfpic.h: Likewise.
1881 * machmode.h: Likewise.
1882 * mbchar.c: Likewise.
1883 * prefix.c: Likewise.
1884 * protoize.c: Likewise.
1885 * recog.h: Likewise.
1887 * scan-decls.c: Likewise.
1889 * varray.h: Likewise.
1891 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
1893 * i386.md (call_value_pop): If we're not popping anything,
1894 defer to call_value.
1895 (call_pop): Likewise defer to call.
1897 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
1899 * function.c (purge_addressof): Clear purge_addressof_replacements
1900 only after processing the whole function.
1902 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
1904 * reload1.c (reload): If we can not perform a particular elimination
1905 when we thought we could earlier, then we must always iterate through
1906 the loop at least one more time.
1908 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
1910 * alpha.c (add_operand): Simplify the CONST_INT match.
1911 (sext_add_operand): Correct typo in comparison by using
1912 CONST_OK_FOR_LETTER_P.
1913 * alpha.md (s?addq): Use sext_add_operand to allow the negative
1914 constant alternatives to be generated.
1915 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
1916 small constants, since the hw instructions do.
1918 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1920 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
1921 previous insn to store directly into our reload register, make sure
1922 that if the source of the previous insn is a reload register, its
1923 spill_reg_store and spill_reg_stored_to values are cleared.
1925 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
1927 * rs6000.md (floatunssidf2_internal splitter): Use base register
1928 operand, not hard-coded SP.
1930 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1932 * jump.c (calculate_can_reach_end): Fix thinko.
1934 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
1936 * reorg.c (fill_simple_delay_slots): Fix typo.
1938 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
1940 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
1942 * i386.md (extendsidi2): Use # in the output template.
1943 (extendsidi splitters): New splitters.
1945 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
1947 * configure.in: Use unknown-elf.h as tm_file for arm-elf
1949 * configure: Regenerate.
1951 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1953 * jump.c (init_label_info, delete_barrier_successors,
1954 mark_all_labels, delete_unreferenced_labels,
1955 delete_noop_moves, calculate_can_reach_end): New functions broken
1956 out of jump_optimize.
1957 (jump_optimize): Use them.
1959 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1961 * except.c (expand_fixup_region_end): Make sure outer context labels
1962 are not issued in an inner context during cleanups.
1964 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
1966 * alpha.md (addsi3, subsi3): No new temporaries once cse is
1969 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
1971 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
1972 to expose this midpoint to CSE.
1974 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1976 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
1978 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1980 * configure.in: Bring over gcc2 change of Nov 19 1997.
1982 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
1984 * toplev.c (output_lang_identify): Make definition dependent on
1985 ASM_IDENTIFY_LANGUAGE.
1987 * print-rtl.c (spaces): Make static.
1989 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
1991 * extend.texi: Clarify proper uses for register clobbers in asms.
1993 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1995 * recog.h (enum op_type): Define.
1996 (constrain_operands): Adjust prototype.
1997 (recog_op_type): Declare new variable.
1998 * recog.c (recog_op_type): New variable.
1999 (insn_invalid_p): Allow modifying an asm statement after reload.
2000 (extract_insn): Set up recog_op_type.
2001 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2002 Don't compute operand types, use recog_op_type.
2003 Use the information computed by extract_insn instead of the previous
2004 method of finding it by insn code number.
2005 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2006 * reorg.c (fill_slots_from_thread): Likewise.
2007 * reload1.c (reload_as_needed): Likewise.
2008 (gen_reload): Likewise.
2009 (inc_for_reload): Likewise.
2010 (reload_cse_simplify_operands): Likewise.
2011 Use the information computed by extract_insn instead of the previous
2012 method of finding it by insn code number.
2013 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2015 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2016 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2017 Use the information computed by extract_insn instead of the previous
2018 method of finding it by insn code number.
2019 * regmove.c (find_matches): Likewise. Change meaning of the return
2020 value to be nonzero if the optimization can be performed, zero if
2021 not. All callers changed.
2022 Shorten some variable names to fix formatting problems.
2023 (regmove_optimize): Shorten some variable names to fix formatting
2025 Use the information computed by extract_insn instead of the previous
2026 method of finding it by insn code number.
2027 * regclass.c (scan_one_insn): Likewise.
2028 (record_reg_classes): Don't compute operand types, use recog_op_type.
2029 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2030 recog_constraints instead.
2032 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2034 * rtl.h (flow2_completed): Declare.
2035 * flow.c (flow2_completed): Definition.
2036 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2039 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2041 * Makefile.in (libcpp.a): Ranlib libcpp.a
2043 * cppulp.c (user_label_prefix): Initialize.
2045 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2047 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2048 at a RETURN if current_function_sp_is_unchanging is set.
2050 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2052 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2054 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2056 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2057 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2058 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2059 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2060 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2061 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2063 (LIB_SPEC): Handle -mno-cyginw option.
2064 (LINK_SPEC): Handle -mdll.
2066 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2068 * reload.c (find_reloads): Fix test for usage by other reload
2069 to handle secondary reloads properly.
2071 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2073 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2074 intermediate structure which has exactly the members provided by
2075 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2076 static intermediate structure.
2078 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2079 from the intermediate structure. Do the same analogous fix in
2080 the case where ELIMINABLE_REGS is not defined.
2082 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2084 * pa.h (SELECT_SECTION): Fix thinko.
2086 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2088 * dwarf2out.c (output_call_frame_info): Comments on last change.
2090 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2092 * arm.c (add_constant): When taking the address of an item in the
2093 pool, get the mode of the item addressed.
2095 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2096 contain a SET or a PARALLEL, don't consider it for conditional
2099 Restore ABI compatibility for NetBSD.
2100 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2102 (RETURN_IN_MEMORY): Likewise.
2104 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2106 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2107 (m32r_output_block_move): Rewrite bytes < 4 handling.
2109 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2111 * configure.in: Call AC_FUNC_VFORK.
2113 * collect2.c: Define VFORK_STRING as a printable string for
2114 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2115 defined, include vfork.h. If VMS is defined, define vfork()
2116 appropriately. Remove vfork check on USG, we're using autoconf.
2117 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2118 checking locally what string to pass.
2119 (scan_prog_file): Likewise.
2120 (scan_libraries): Likewise.
2122 * gcc.c: Remove vfork check on USG, we're using autoconf.
2123 Besides, no calls to vfork/fork occur in this file.
2125 * protoize.c: Likewise.
2127 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2129 * configure.in (DEFAULT_LINKER): renamed from LD
2130 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2131 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2132 * configure: rebuilt
2134 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2136 * BUGS: fix the regexp for `more' to find the appropriate node.
2137 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2139 * BUGS: added link to the WWW FAQ
2141 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2143 * version.c: Bump for snapshot.
2145 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2147 * From Christian Gafton:
2148 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2149 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2150 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2152 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2154 * c-common.c (c_get_alias_set): Allow all type-punning through
2155 unions. Don't get confused about the type of a bit-field, despite
2156 the antics of build_modify_expr.
2158 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2160 * fixinc.sco: Paramaterize #include_next values.
2161 * fixinc/fixinc.sco: Likewise.
2163 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2165 * toplev.c (rest_of_compilation): No longer set reload_completed.
2166 * reload1.c (reload): Set it here. Perform instruction splitting
2167 after reload has completed if we will be running the scheduler
2170 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2172 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2173 EH region if exceptions are enabled and we're performing cross
2175 (find_cross_jump): Exit loop if the insns are in different EH regions.
2177 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2179 * dwarf2out.c (output_call_frame_info): Use
2180 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2182 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2184 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2185 * c-common.c (check_format_info): Don't check for the 'x'
2186 format character twice, instead check for 'x' and 'X'
2188 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2190 * configure.in (assembler features): Also make gas is configured if
2191 we find it in the souce tree.
2193 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2195 * i386.c (i386_comp_type_attributes): Compare whether the
2196 attributes are defined, not their tree nodes.
2198 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2200 * configure.in (gxx_include_dir): bitten by autoconf quoting
2202 * configure: rebuilt
2204 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2206 * configure.in: Ignore non-absolute value in $AS.
2208 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2210 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2212 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2214 * configure.in (msdosdjgpp): Set exeext and target_alias.
2216 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2218 * flow.c (XNMALLOC): New macro.
2219 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2221 (add_edge, add_edge_to_label): New static functions.
2222 (free_bb_memory): New function.
2223 (flow_delete_insn): Delete function.
2224 (basic_block_drops_in): Delete variable.
2225 (find_basic_blocks): Allocate and initialize basic_block_head,
2226 basic_block_succ. Don't allocate basic_block_drops_in.
2227 Call free_bb_memory at the beginning.
2228 (find_basic_blocks_1): Don't do multiple passes.
2229 Delete code to compute basic_block_drops_in.
2230 After calling make_edges, mark blocks reached by current block live.
2231 Update test for unreachable live blocks.
2232 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2234 Simplify to call add_edge_to_label when a LABEL_REF is found.
2235 (make_edges): Simplify to call add_edge_to_label instead of
2236 mark_label_ref most of the time.
2237 Compute here whether control drops into the next block.
2238 (delete_unreachable_blocks): Return void. All callers changed.
2239 Delete unreachable blocks in reverse order.
2240 After deleting all unreachable blocks, renumber the remaining ones
2241 and update n_basic_blocks.
2242 (delete_block): Speed up deletion a bit.
2243 Don't set basic_block_drops_in for deleted blocks.
2244 (free_basic_block_vars): Don't free basic_block_drops_in.
2245 (life_analysis_1): Update to use new edge representation.
2246 (dump_flow_info): Delete code to print basic block info; call
2247 dump_bb_data instead.
2248 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2249 and uid_block_number.
2250 Simply copy the previously computed cfg.
2251 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2252 Print register lifetime information if LIVE_INFO is nonzero.
2253 * basic-block.h (dump_bb_data): Adjust prototype.
2254 * gcse.c (gcse_main): Update call to dump_bb_data.
2255 * rtl.h (free_bb_memory): Declare.
2256 * toplev.c (rest_of_compilation): Call free_bb_memory.
2258 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2259 (update_eliminable_offsets): Don't compute it.
2260 (set_initial_elim_offsets): Don't initialize it.
2261 Break out some code into set_initial_label_offsets so the rest of
2262 this function can be called from reload_as_needed.
2263 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2264 ELIMINABLE_REGS isn't.
2265 (set_initial_label_offsets): New function, broken out of
2266 set_initial_elim_offsets.
2267 (set_offsets_for_label): New function, broken out of set_label_offsets
2268 and reload_as_needed.
2269 (reload): Call the two new functions.
2270 (reload_as_needed): Call set_initial_elim_offsets instead of
2271 duplicating the code. Likewise for set_offsets_for_label.
2273 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2274 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2275 any hard reg, reg_reloaded_dead contains valid data.
2277 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2279 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2280 "stdcall" and "cdecl" attributes.
2282 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2284 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2285 handle deleted no-op moves of hard registers.
2286 * haifa-sched.c (update_flow_info): Likewise.
2288 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2290 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2291 of the sequences to reload the HILO register which do not actually
2294 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2296 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2298 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2300 * except.c (emit_eh_context): Make the EH context register stay alive
2301 at -O0 so stupid.c doesn't get confused.
2303 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2305 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2307 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2308 Jeffrey A Law (law@cygnus.com)
2310 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2311 (zero_extendsidi2): Use # in output template and handle completely by
2313 (zero_extend splitters): New define_splits.
2314 (ashiftrt_32): New pattern.
2316 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2318 * tree.c (append_random_chars): New fn.
2319 (get_file_function_name_long): Use it.
2321 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2323 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2324 (LIBCPP_OBJS): New. Add cppulp.o.
2325 (cppmain, fix-header): Depend on and use libcpp.a.
2326 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2327 of the individual object files.
2328 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2331 * cccp.c (user_label_prefix): New.
2332 (main): Set it off -f*leading-underscore.
2333 (special_symbol): Use it.
2334 * cpplib.c (special_symbol): Likewise.
2335 (cpp_handle_option): Handle -f*leading-underscore.
2336 * cppulp.c: New file.
2338 * output.h (user_label_prefix): Declare it.
2339 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2340 * toplev.c (f_options, main): Handle -f*leading-underscore.
2342 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2343 referencing USER_LABEL_PREFIX directly.
2344 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2345 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2346 * final.c (asm_fprintf): Use user_label_prefix instead.
2347 * arm/thumb.c (thumb_print_operand): Likewise.
2349 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2350 cpp wherever appropriate.
2352 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2354 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2355 specific compiler switches.
2357 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2359 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2362 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2364 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2365 structure which has exactly the members provided by EXTRA_SPECS.
2366 Xmalloc() the real `extra_specs', and initialize it from this
2367 intermediate structure.
2369 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2371 * mips.h (EXTRA_SPECS): Likewise.
2373 * sparc.h (EXTRA_SPECS): Likewise.
2375 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2377 * function.c (purge_addressof_1): Instead of aborting when a
2378 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2379 work just put the ADDRESSOF on stack. Otherwise remember all such
2380 successfull replacements, so that exactly the same replacements
2381 can be made on the REG_NOTEs. Remove the special case for CALL
2383 (purge_addressof_replacements): New variable.
2384 (purge_addressof): Clear it at end.
2386 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2388 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2389 (lang_init): Call check_newline always.
2390 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2391 cpp_start_read, set yy_cur and yy_lim to read from
2392 parse_in.token_buffer, so that we'll see the first #line
2394 * cpplib.c (cpp_start_read): finclude the main input file
2395 before processing -include/-imacros. Process -imacros and
2396 -include separately, and handle -include by stacking a
2397 buffer for the file in question as if it'd been #included.
2398 * toplev.c (documented_lang_options) Recognize -H when
2401 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2403 * cpplib.c: Merge do_once into do_pragma. Break file handling
2404 code out of do_include.
2405 Move append_include_chain, deps_output,
2406 file_cleanup, redundant_include_p, import_hash,
2407 lookup_import, add_import, read_filename_string, read_name_map,
2408 open_include_file, finclude, safe_read to cppfiles.c.
2409 Move prototypes for deps_output, append_include_chain,
2410 finclude to cpplib.h. Move definition of struct
2411 file_name_list there also.
2413 * cppfiles.c: New file. Contains all the above functions
2414 broken out of cpplib.c; also hack_vms_include_specification
2415 from cccp.c and find_include_file, a new function broken out of
2418 * Makefile.in (cppmain): Depend on cppfiles.o.
2419 (fix-header): Likewise.
2420 (cppfiles.o): New target.
2421 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2422 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2424 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2426 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2427 if pending_types is non-zero.
2428 (dwarfout_finish): Verify pending_types is zero before finishing.
2430 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2432 * expr.c (convert_move): Use shifts to perform the move if a
2433 suitable extend pattern cannot be found. Code written by
2434 Richard Henderson <rth@cygnus.com>.
2436 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2438 * regclass.c (renumber, regno_allocated): New static variables, moved
2439 out of allocate_reg_info.
2440 (allocate_reg_info): Move these two variables outside the function.
2441 Move code to free memory into new function free_reg_info.
2442 (free_reg_info): New function, broken out of allocate_reg_info.
2443 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2444 * rtl.h (allocate_reg_info): Don't declare.
2445 (free_reg_info): Declare.
2447 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2449 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2451 * toplev.c (compile_file): Temporarily revert last change.
2453 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2455 * c-typeck.c (convert_for_assignment): Parenthesize.
2457 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2459 * reload1.c (delete_output_reload): Avoid ambigous else.
2461 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2463 * toplev.c (compile_file): Call allocate_reg_info to free register
2465 * rtl.h (allocate_reg_info): Declare.
2467 * PROJECTS: Remove entry for local spilling.
2469 * final.c (cleanup_subreg_operands): New function.
2470 (final_scan_insn): Use it.
2471 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2473 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2474 operands when reload has finished.
2475 * reload.h (cleanup_subreg_operands): Declare..
2476 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2477 reload. Handled in reload itself.
2479 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2481 * reload1.c (verify_initial_offsets): New function.
2482 (reload): Call it after reload_as_needed. Also verify that the frame
2483 size stays constant during reload_as_needed.
2484 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2486 * reload.h (struct insn_chain): Add need_operand_change element.
2487 * reload1.c (new_insn_chain): Clear it.
2488 (calculate_needs_all_insns): Set it; don't overload need_reload.
2489 (reload_as_needed): Use it.
2491 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2492 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2493 and reload_address_index_reg_class.
2494 (find_reloads_address_1): Likewise.
2495 * reload.h (reload_address_base_reg_class,
2496 reload_address_index_reg_class): Don't declare.
2497 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2498 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2499 (used_spill_regs): Now static.
2500 (reload_address_base_reg_class, reload_address_index_reg_class,
2501 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2502 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2503 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2506 (init_reload): Delete code to compute base/index reg classes.
2507 (reload): Delete variable J.
2508 Delete code to manage basic_block_needs.
2509 Don't compute regs_explicitly_used.
2510 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2511 pseudo_previous_regs.
2512 Initialize bad_spill_regs_global.
2513 Don't call order_regs_for_reload here.
2514 Don't initialize spill_reg_order and n_spills.
2515 Don't forbid explicitly used regs to be used for spill regs.
2516 Change main loop to infinite loop, with explicit break statements.
2517 Make SOMETHING_CHANGED variable local to that loop.
2518 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2519 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2520 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2522 Don't call dump_needs.
2523 Delete code to reset potential_reload_regs.
2524 Delete code to terminate loop conditional on the global needs variables
2525 showing no further needs.
2526 (calculate_needs_all_insns): Return void. All callers changed.
2527 Initialize somehing_needs_elimination here, not in reload.
2528 Delete avoid_return_reg kludge.
2529 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2530 All callers changed.
2531 Initialize the group_mode and group_size elements of the arg CHAIN.
2532 Delete code to manage basic_block_needs.
2533 Operate on elements of CHAIN instead of global variables.
2534 Delete avoid_return_reg kludge.
2535 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2536 All callers changed.
2537 Operate on elements of CHAIN instead of global variables.
2538 Delete special SMALL_REGISTER_CLASSES code.
2539 Delete spill_failure code; now in new_spill_reg.
2540 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2541 All callers changed.
2542 Operate on elements of CHAIN instead of global variables.
2543 (maybe_mark_pseudo_spilled): New static function.
2544 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2545 All callers changed.
2546 Operate on elements of CHAIN instead of global variables.
2547 Call order_regs_for_reload here, not in reload.
2548 Initialize spill_reg_order and n_spills.
2549 Simplify test whether an asm insn is involved.
2550 Delete spill_failure code; now in new_spill_reg.
2551 Call maybe_mark_pseudo_spilled for everything marked as live in
2552 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2554 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2555 compiler from optimizing this function (now unused) away.
2556 Operate on elements of CHAIN instead of global variables.
2557 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2559 Operate on elements of CHAIN instead of global variables.
2560 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2561 take CHAIN arg. All callers changed.
2562 Operate on elements of CHAIN instead of global variables.
2563 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2564 CHAIN, NONGROUP args. Return void. All callers changed.
2565 Verify caller isn't trying to spill a pseudo.
2566 Simplify test for illegal reg, just use bad_spill_regs.
2567 Generate better error messages.
2568 Operate on elements of CHAIN instead of global variables.
2569 Mark spilled register in CHAIN's used_spill_regs element.
2570 Don't call spill_hard_reg.
2571 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2572 Mark spilled hard regs in bad_spill_regs_global.
2573 Mark affected pseudos in spilled_pseudos, but don't spill them.
2574 (ior_hard_reg_set): New static function.
2575 (finish_spills): Return int. All callers changed.
2576 Compute spill_reg_order, n_spills and spill_regs here. Also update
2577 regs_ever_live for regs used as spills.
2578 For every pseudo in spilled_pseudos, spill it and mark the previous
2579 hard reg it had in pseudo_previous_regs. Compute which hard regs
2580 arseudo): New static function.
2581 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2582 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2583 hard registers explicitly used across the current insn into the set.
2584 Compute hard_reg_n_uses taking only pseudos live across this insn
2586 Tweak sorting of potential_reload_regs.
2587 (compare_spill_regs): Delete function.
2588 (reload_as_needed): Don't sort the spill_regs array, it's computed
2589 in proper order in finish_spills.
2590 Delete avoid_return_reg kludge.
2591 Delete code to manage basic_block_needs.
2592 (allocate_reload_reg): Minor speed/readability tweaks.
2593 Operate on elements of CHAIN instead of global variables.
2594 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2595 Delete avoid_return_reg kludge.
2596 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2597 Delete unused label FAIL.
2598 (reload_combine): Replce reload_address_index_reg_class with
2600 Don't use used_spill_regs to determine information about lifetime of
2603 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2605 * toplev.c (display_help): Ignore empty target specific
2606 options, and if -W is also specified on the command line then
2607 display undocumented options.
2609 * config/arm/arm.c: Updated with changes in devo sources.
2610 * config/arm/arm.h: Updated with changes in devo sources.
2611 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2612 * config/arm/lib1thumb.asm: Add ELF support.
2614 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2616 * collect2.c (aix64_flag): New variable.
2617 (main, case 'b'): Parse it.
2618 (GCC_CHECK_HDR): object magic number must match mode.
2619 (scan_prog_file): Only check for shared object if valid header.
2620 Print debugging if header/mode mismatch.
2622 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2624 Added support for arm-elf-linux configuration, submitted by Philip
2625 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2626 code developed by Catherine Moore <clm@cygnus.com>. The following
2629 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2632 * configure: Regenerated.
2634 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2635 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2636 definitions conditional on their not having been already defined.
2638 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2639 and .type directives, and add "(PLT)" qualification to function
2642 * config/arm/linux.h: Deleted. This file is now superceeded by
2643 either linux-elf.h or linux-aout.h.
2645 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2646 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2648 Move definitions from old linux.h file here.
2650 * config/arm/elf.h: New file. Generic ARM/ELF support.
2652 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2654 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2656 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2657 using the 26bit APCS.
2659 * config/arm/unknown-elf.h: New file. Support for OS'es other
2660 than Linux with ELF.
2662 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2665 * config/arm/coff.h: Include aout.h for basic assembler macros.
2666 Add support for -mstructure_size_boundary=<n> command line option.
2668 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2669 command line option. Make macro definitions conditional on their
2670 not having been already defined.
2672 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2673 command line option.
2676 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2678 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2679 has been changed to not include a newline. Use this macro instead.
2680 (output_enumeral_list, const_value_attribute, name_attribute,
2681 comp_dir_attribute, prototyped_attribute, producer_attribute,
2682 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2683 dwarfout_file_scope_decl, generate_new_sfname_entry,
2684 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2685 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2687 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2689 * combine.c (subst): Process the inputs to a parallel asm_operands
2692 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2694 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2696 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2698 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2700 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2702 * version.c: Bump for snapshot.
2704 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2706 * stmt.c (expand_fixup): Set fixup->before_jump to a
2707 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2709 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2711 * Makefile.in (recog.o): Depend on toplev.h.
2712 (insn-emit.o): Depend on recog.h.
2713 (insn-peep.o): Depend on recog.h and insn-config.h.
2715 * combine.c (simplify_set): Remove unused variable `scratches'.
2717 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2718 and `idx' in macro conditional controlling their use.
2720 * genemit.c (main): Make the generated output file include
2721 recog.h. Don't have it declare `insn_operand_constraint', since
2722 we get it from recog.h.
2724 * genpeep.c (main): Make the generated output file include
2725 insn-config.h and recog.h.
2727 * recog.c: Include toplev.h.
2728 (extract_insn): Remove unused variable `p'.
2730 * regclass.c (fix_register): Add missing braces around initializer
2732 (allocate_reg_info): Move variable `i' into the scope where it is
2733 used. Change its type to `size_t'.
2735 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2737 * reload.c (push_reload): When merging reloads, make sure
2738 that reload_in_reg and reload_in are from the same reload in
2741 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2743 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2744 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2746 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2748 * loop.c (loop_has_tablejump): New variable.
2749 (prescan_loop): Scan for it.
2750 (insert_bct): Replace explicit scan with use of it.
2751 * regclass.c (regclass): Restore loop variable j.
2752 (record_reg_classes): Deterine op_types modifiers and initialize
2753 classes[i] before matching constraints. Handle matching
2756 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2758 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2761 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2763 * mips.h (EXTRA_SPECS): Add missing initializers.
2765 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2767 * sparc.h (EXTRA_SPECS): Add missing initializers.
2768 (sparc_defer_case_vector): Provide a prototype.
2770 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2771 comparing it to the result of a pointer subtraction.
2773 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2775 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2776 the argument to (unsigned char).
2778 * alpha.h (EXTRA_SPECS): Add missing initializers.
2779 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2782 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2784 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2785 (propagate_block): Delete dead code after reload.
2787 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2788 back Oct 15, 1998 change.
2789 * haifa-sched.c (update_flow_info): Likewise.
2790 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2792 * mn10200.md (truncated shift): Accept constant inputs too.
2794 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2796 * machmode.h (mode_mask_array): No longer const.
2797 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2799 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2801 * frame.c: Somewhat explain `FDE'.
2802 Suggested by Brendan Kehoe
2804 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2806 * expr.c (pending_chain): Move up.
2807 (save_expr_status): Do save pending_chain.
2808 (restore_expr_status): And restore it.
2809 * function.h (struct function): Add pending_chain.
2811 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2813 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2814 did not match the code.
2816 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2818 * regclass.c (regclass): Break out some code into new function
2819 scan_one_insn, and into regclass_init.
2820 (init_cost): New static variable, moved out of regclass.
2821 (regclass_init): Initialize it here, not in .
2822 (scan_one_insn): New static function, broken out of regclass.
2823 * recog.c (apply_change_group): Break out some code into new
2824 function insn_invalid_p.
2825 (insn_invalid_p): New static fn, broken out of apply_change_group.
2827 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2829 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2830 reg_reloaded_contents matches incremented pseudo.
2832 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2834 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2836 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2837 addressing modes with side effects. These are currently
2838 placeholders for the C4x target.
2840 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2842 * loop.c (express_from): Make sure that when generating a PLUS of
2843 a PLUS, any constant expression appears on the outermost PLUS.
2845 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2847 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2848 works if "$(srcdir)" != ".".
2850 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2852 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2853 existing SUBREG if we can, otherwise abort.
2855 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2857 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2858 `restrict' is applied to a non-pointer variable.
2860 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2862 * invoke.texi: Document -flang-isoc9x.
2864 * Makefile.in (OBJS): Add splay-tree.o.
2865 (c-common.o): Depend on rtl.h.
2866 (splay-tree.o): List dependencies and provide build rule.
2868 * rtl.h (record_alias_subset): New function.
2869 * alias.c: Include splay-tree.h.
2870 (alias_set_entry): New type.
2871 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2872 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2873 (mems_in_disjoin_alias_sets_p): New function.
2874 (alias_set_compare): Likewise.
2875 (insert_subset_children): Likewise.
2876 (get_alias_set_entry): Likewise.
2878 * tree.h (TYPE_RESTRICT): New macro.
2879 (TYPE_UNQUALIFIED): New manifest constant.
2880 (TYPE_QUAL_CONST): Likewise
2881 (TYPE_QUAL_VOLATILE): Likewise.
2882 (TYPE_QUAL_RESTRICT): Likewise.
2883 (tree_type): Add restrict_flag. Reduce count of free bits.
2884 (DECL_POINTER_ALIAS_SET): New macro.
2885 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
2886 (tree_decl): Add pointer_alias_set.
2887 (build_qualified_type): New function.
2888 (build_type_variant): Define in terms of build_qualified_type.
2889 * tree.c (set_type_quals): New function.
2890 (make_node): Initializae DECL_POINTER_ALIAS_SET.
2891 (build_type_attribute_variant): Use build_qualified_type and
2893 (build_type_variant): Rename, and modify, to become...
2894 (build_qualified_type): New function.
2895 (build_complex_type): Use set_type_quals.
2897 * c-tree.h (C_TYPE_OBJECT_P): New macro.
2898 (C_TYPE_FUNCTION_P): Likewise.
2899 (C_TYPE_INCOMPLETE_P): Likewise.
2900 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
2901 (c_apply_type_quals_to_decl): New function.
2902 (c_build_qualified_type): New function.
2903 (c_build_type_variant): Define in terms of c_build_qualified_type.
2904 (flag_isoc9x): Declare.
2905 * c-typeck.c (qualify_type): Use c_build_qualified_type.
2906 (common_type): Change to use TYPE_QUALS.
2907 (comptypes): Likewise.
2908 (convert_for_assignment): Likewise.
2909 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
2910 * c-decl.c (flag_isoc9x): Define.
2911 (c_decode_option): Handle -flang-isoc9x.
2912 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
2913 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
2914 * c-lex.c (init_lex): Deal with restrict.
2915 (init_lex): Don't treat restrict as a reserved word in
2916 -traditional mode, or without -flang-isoc9x.
2917 * c-lex.h (rid): Add RID_RESTRICT.
2918 * c-parse.gperf (restrict, __restrict, __restrict__): Make
2919 equivalent to RID_RESTRICT.
2920 * c-parse.in (TYPE_QUAL): Update comment.
2921 * c-common.c: Include rtl.h.
2922 (c_find_base_decl): New function.
2923 (c_build_type_variant): Rename, and modify, to become ...
2924 (c_build_qualified_type): New function.
2925 (c_apply_type_quals_to_decl): Likewise.
2926 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
2927 a particular alias set for the reference.
2928 * toplev.c (documented_lang_options): Add -flang-isoc9x.
2930 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
2932 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
2933 command line switches.
2935 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
2937 * reload.c (loc_mentioned_in_p): Add missing braces to bind
2940 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
2942 * gcc.c (option_map): Added --classpath and --CLASSPATH.
2944 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
2946 * regclass.c (fix_register): Add error message.
2947 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
2950 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2952 * c-decl.c (warn_missing_noreturn): New global variable.
2953 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
2954 (finish_function): Implement missing noreturn warning.
2956 * c-tree.h (warn_missing_noreturn): Declare extern.
2958 * invoke.texi: Document new flags.
2960 * toplev.c (documented_lang_options): Add description.
2962 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2964 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
2965 loop optimization stable for the C4x.
2966 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
2967 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
2968 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
2970 (c4x_address_conflict): Be more paranoid when packing a volatile
2971 memref in a parallel load/store.
2973 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2975 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
2976 repeat_block_filler): Deleted.
2977 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
2978 Condition code not set if destination register from 'c' class.
2979 (*subbqi3_carry_clobber): Fix typo.
2981 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2983 * reorg.c (steal_delay_list_from_target) Check for insns that
2984 modify the condition codes and effect the direction of the jump
2987 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
2989 * function.c (purge_addressof_1): Replace call to
2990 emit_insns_before() with emit_insn_before().
2992 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
2994 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
2996 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2998 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3000 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3002 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3003 clobbered across calls.
3005 * loop.c (scan_loop): Be more selective about what invariants are
3006 moved out of a loop.
3008 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3010 * version.c: Bump for snapshot.
3012 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3014 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3015 static eh_context structure.
3017 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3019 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3021 (try_combine): Don't update max_scratch.
3022 * flow.c (max_scratch, num_scratch): Delete variables.
3023 (life_analysis_1): Don't initialize max_scratch.
3024 (propagate_block): Don't update max_scratch.
3025 (mark_set_1): Don't increment num_scratch.
3026 * regs.h (max_scratch): Delete declaration.
3028 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3030 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3031 is nonzero. This is temporary!
3033 * sched.c (update_flow_info): Handle death notes made invalid by
3034 instruction splitting. Partially reverts Oct 15, 1998 patch.
3035 * haifa-sched.c (update_flow_info): Likewise.
3037 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3039 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3040 if it has a nonzero DECL_INITIAL.
3042 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3044 * Makefile.in (flow.o): Depend on recog.h.
3046 * cpplib.h (directive_table): Add missing initializiers.
3047 (finclude): Change type of variable `bsize' to size_t.
3049 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3051 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3053 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3054 `int' when comparing against one.
3055 (cpp_file_line_for_message): Mark parameter `pfile' with
3057 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3059 * flow.c: Include recog.h.
3060 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3062 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3063 `f' with ATTRIBUTE_UNUSED.
3064 (reposition_prologue_and_epilogue_notes): Likewise.
3066 * genopinit.c (gen_insn): Cast argument of ctype functions to
3069 * haifa-sched.c: Include recog.h.
3070 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3071 comparing against one.
3073 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3075 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3077 (parse_ent): Likewise.
3078 (parse_input): Likewise.
3080 * optabs.c (init_libfuncs): Likewise.
3082 * protoize.c (find_rightmost_formals_list): Likewise.
3084 * recog.h (const_double_operand): Fix typo in prototype.
3086 * tlink.c (scan_linker_output): Cast the argument of ctype
3087 function to `unsigned char'.
3089 * toplev.c (check_lang_option): Cast the result of `strlen' to
3090 `int' when comparing against one.
3092 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3094 * gcse.c (dump_cuid_table): Correct typo.
3096 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3098 * toplev.c (display_help): Prepend '-m' to target specific
3100 (check_lang_option): Ignore text after end of first word of a
3101 language specific option.
3103 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3105 * reload1.c (reg_used_by_pseudo): New static variable.
3106 (choose_reload_regs): Initialize it.
3107 Use it instead of testing spill_reg_order to determine whether a
3108 pseudo is live in a hard register across the current insn.
3109 Fix a typo in a reference to reload_reg_rtx.
3111 * flow.c (propagate_block): Replace code that computes and uses
3112 regs_sometimes_live with simpler code that just walks the set of
3113 currently live registers.
3115 * Makefile.in (insn-extract.o): Fix dependencies.
3116 * genextract.c (main): Generate includes for insn-config.h and
3118 Delete generation of declarations which are now in recog.h.
3119 * genrecog.c (main): Delete generation of definitions which are
3121 * local-alloc.c (block_alloc): Use extract_insn and the variables
3122 it sets up instead of looking up values by insn_code.
3123 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3124 recog_dup_num): Define here instead of generating the definition in
3126 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3127 recog_operand_mode, recog_constraints, recog_operand_address_p):
3129 (extract_insn): New function.
3130 * recog.h (extract_insn): Declare function.
3131 (which_alternative, recog_n_operands, recog_n_dups,
3132 recog_n_alternatives, recog_operand_mode, recog_constraints,
3133 recog_operand_address_p): Declare variables.
3134 * regclass.c (n_occurrences): New static function.
3135 * reload.c (n_occurrences): Delete function.
3136 (find_reloads): Use extract_insn.
3137 * reload.h (n_occurrences): Delete declaration.
3139 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3141 * reload1.c (reload_as_needed): Fix test for when to call
3142 update_eliminable_offsets.
3144 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3146 Fix consistency problems with reg_equiv_{mem,address};
3147 Improve reload inheritance;
3149 * reload.c (reload_out_reg): New variable.
3150 (loc_mentioned_in_p, remove_address_replacements): New functions.
3151 (remove_replacements): Deleted.
3152 (push_reload): Set reload_out_reg[i].
3153 When merging, also set reload_{in,out}_reg[i], and remove
3154 duplicate address reloads.
3155 (combine_reloads): Copy reload_out_reg[i].
3156 (find_reloads): Do make_memloc substitution also when
3157 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3159 Include *recog_operand_loc in commutativity operand changes.
3160 Generate optional output reloads.
3161 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3162 processing operands. Call make_memloc in reg_equiv_address code.
3163 Set *recog_operand_loc only after processing operands, and only
3164 if replace is true. Return a value.
3165 When changing address reload types for operands that didn't get
3166 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3167 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3168 Don't emit USEs for pseudo SUBREGs when not replacing.
3169 (find_reloads_address): Do make_memloc substitution also when
3170 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3172 (find_reloads_toplev): Likewise.
3173 Call make_memloc in reg_equiv_address code.
3174 (debug_reload_to_stream): Add code to output reload_out_reg.
3175 (make_memloc): Delete local variable i, ifdefed out code, and
3176 references to memlocs and n_memlocs.
3177 (memlocs, n_memlocs): Delete.
3178 (push_secondary_reload): Clear reload_out_reg.
3179 (find_reloads_address_1): Provide memrefloc argument to all calls
3180 to find_reloads_address.
3181 In AUTO_INC code, handle non-directly addressable equivalences properly.
3182 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3183 (find_reloads): Add return type.
3184 (remove_address_replacements, deallocate_reload_reg): Declare.
3185 * reload1.c (num_not_at_initial_offset): No longer static.
3186 (delete_address_reloads, delete_address_reloads_1): Likewise.
3187 (deallocate_reload_reg): New function.
3188 (spill_reg_stored_to): New array.
3189 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3190 (eliminate_regs_in_insn): Move assignments of previous_offset and
3191 max_offset fields, and recalculation of num_not_at_initial_offset
3192 into new static function:
3193 (update_eliminable_offsets) .
3194 (reload_as_needed): Call update_eliminable_offsetss after calling
3196 Call forget_old_reloads_1 with contents of reloaded auto_inc
3197 expressions if the actual addressing can't be changed to match the
3199 (choose_reload_regs): For inheritance, replace
3200 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3201 remove stand-alone reload_reg_used_at_all test.
3202 Use reload_out_reg to determine which reload regs have output reloads.
3203 Treat reload_override_in more similar to inherited reloads.
3204 Handle (subreg (reg... for inheritance.
3205 For flag_expensive_optimizations, add an extra pass to remove
3206 unnecessary reloads from known working inheritance.
3207 Delete obsolete code for pseudos replaced with MEMs.
3208 Handle inheritance from auto_inc expressions.
3209 (emit_reload_insns): If reload_in is a MEM, set OLD to
3211 Don't reload directly from oldequiv; if it's a pseudo with a
3212 stack slot, use reload_in[j].
3213 Check that reload_in_reg[j] is a MEM before replacing reload_in
3214 from reg_reloaded_contents.
3215 Include non-spill registers in reload inheritance processing.
3216 Also try to use reload_out_reg to set spill_reg_store /
3217 reg_last_reload_reg.
3218 In code to set new_spill_reg_store, use single_set to find out if
3219 there is a single set.
3220 Add code that allows to delete optional output reloads.
3221 Add code to allow deletion of output reloads that use no spill reg.
3222 At the end, set reload_override_in to oldequiv.
3223 Also call delete_output_reload if reload_out_reg is equal to old
3225 Add code to call delete_output_reload for stores with no matching load.
3226 Set / use spill_reg_stored_to.
3227 Handle case where secondary output reload uses a temporary, but
3228 actual store isn't found.
3229 When looking for a store of a value not loaded in order to call
3230 delete_output_reload, count_occurences should return 0 for no
3231 loads; but discount inherited input reloadill_reg_stored_to.
3232 Do checks for extra uses of REG. Changed all
3234 Use delete_address_reloads.
3235 (reload): Take return value of find_reloads into account.
3236 If a no-op set needs more than one reload, delete it.
3237 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3238 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3239 for the same operand.
3240 (clear_reload_reg_in_use): Check for other reloads that keep a
3242 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3243 RELOAD_FOR_OPADDR_ADDR.
3244 Take into account when an address address reload is only needed
3245 for the address reload we are considering.
3246 (count_occurrences): Use rtx_equal_p for MEMs.
3247 (inc_for_reload): Return instruction that stores into RELOADREG.
3248 New argument two, IN, and rtx. Changed all callers.
3249 (calculate_needs_all_insns, reload_as_needed):
3250 Don't clear after_call for a CLOBBER.
3251 Keep track of how many hard registers need to be copied from
3252 after_call, and don't clear after_call before we have seen
3253 that much copies, or we see a different instruction.
3255 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3257 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3258 after reload has completed.
3260 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3262 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3263 a macro name and the next token with a single blank if that whitespace
3264 is in a macro buffer and the next token is not '('.
3266 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3268 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3270 (skip_if_group): Ditto.
3271 (skip_to_end_of_comment): Ditto.
3273 (discard_comments): Ditto.
3274 (change_newlines): Ditto.
3276 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3278 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3280 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3282 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3283 (TARGET_OPTIONS): Add --help documentation.
3285 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3287 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3289 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3291 * fixinc/* Moved in from ../contrib directory in preparation
3292 for integrating it into the normal build process. In particular,
3293 fixinc/Makefile.in must be config-ed into the build directory
3294 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3295 ./configure.in will be "in the mail" momentarily.
3297 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3299 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3300 accidently walk into the free list. Comment how that can happen.
3301 (invalidate): Fix indentation.
3303 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3304 Jeffrey A Law (law@cygnus.com)
3306 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3307 reload. Never perform rescans of the insn chain after reload.
3308 (propagate_block): Do not delete insn or create new autoinc addressing
3311 * jump.c (jump_optimize): Unconditionally use the code that was
3312 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3313 * reload1.c (reload): When reloading is finished, delete all
3314 REG_DEAD and REG_UNUSED notes.
3315 (emit_reload_insns): Delete all code that was conditional on
3316 PRESERVE_DEATH_INFO_REGNO_P.
3317 (no_longer_dead_regs): Delete variable.
3318 (reload_cse_delete_death_notes): Delete function.
3319 (reload_cse_no_longer_dead): Delete function.
3320 (reload_cse_regs_1): Delete all code to handle deletion of death
3322 (reload_cse_noop_set_p): Likewise.
3323 (reload_cse_simplify_set): Likewise.
3324 (reload_cse_simplify_operands): Likewise.
3325 (reload_cse_move2add): Likewise.
3326 * reorg.c (used_spill_regs): Delete declaration.
3327 (max_label_num_after_reload): Delete declaration.
3328 (find_dead_or_set_registers): Don't assume that spill regs are
3329 dead at a CODE_LABEL.
3330 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3332 * sched.c (sched_analyze_insn): Likewise.
3333 (update_flow_info): Likewise.
3334 * haifa-sched.c (sched_analyze_insn): Likewise.
3335 (update_flow_info): Likewise.
3336 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3337 * toplev.c (max_label_num_after_reload): Delete variable.
3338 (rest_of_compilation): Don't set max_label_num_after_reload.
3339 Call life_analysis after reload_cse_regs if optimizing.
3340 * config/gmicro/gmicro.h: Delete comment referring to
3341 PRESERVE_DEATH_INFO_REGNO_P.
3342 * config/i386/i386.h: Likewise.
3343 * config/m88k/m88k.h: Likewise.
3344 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3345 * config/sh/sh.h: Likewise.
3347 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3349 * loop.c (strength_reduce): Restore marking bct_p as
3351 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3352 HAVE_decrement_and_branch_on_count.
3353 (small_data_operand): Remove TARGET_ELF condition for marking
3354 parameters ATTRIBUTE_UNUSED.
3356 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3358 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3359 (SELECT_SECTION): Resync with svr4.h.
3361 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3363 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3366 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3368 * c-pragma.c (handle_pragma_token): Test for null tree before
3369 dereferencing TREE_CODE.
3371 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3373 * config/c4x/c4x.c: Convert to use GEN_INT.
3374 (c4x_parallel_process): Rework to handle new repeat loop structure.
3376 * config/c4x/c4x.md: Convert to use GEN_INT.
3377 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3378 (decrement_and_branch_on_count): Likewise.
3380 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3381 loop.c has the desired functionality.
3382 (rc_reg_operand): New prototype.
3384 * config/c4x/t-c4x: Can now build all front ends.
3386 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3388 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3390 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3392 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3393 * config/t-rtems: Do not install assert.h -- use newlib's.
3395 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3397 * combine.c (combine_instructions): When finished, call init_recog.
3398 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3400 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3402 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3404 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3406 * cppalloc.c (memory_full): Mark function prototype with
3409 * demangle.h (collect_exit): Likewise.
3411 * fix-header.c (v_fatal, fatal): Likewise.
3413 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3416 * gcov.c (print_usage): Likewise.
3418 * genattr.c (fatal, fancy_abort): Likewise.
3420 * genattrtab.c (fatal, fancy_abort): Likewise.
3422 * gencodes.c (fatal, fancy_abort): Likewise.
3424 * genconfig.c (fatal, fancy_abort): Likewise.
3426 * genemit.c (fatal, fancy_abort): Likewise.
3428 * genextract.c (fatal, fancy_abort): Likewise.
3430 * genflags.c (fatal, fancy_abort): Likewise.
3432 * genopinit.c (fatal, fancy_abort): Likewise.
3434 * genoutput.c (fatal, fancy_abort): Likewise.
3436 * genpeep.c (fatal, fancy_abort): Likewise.
3438 * genrecog.c (fatal, fancy_abort): Likewise.
3440 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3441 __sjpopnthrow, __throw): Likewise.
3443 * objc/objc-act.c (objc_fatal): Likewise.
3445 * protoize.c (usage, aux_info_corrupted,
3446 declare_source_confusing): Likewise.
3448 * rtl.c (dump_and_abort): Likewise.
3450 * rtl.h (sets_cc0_p): Likewise.
3452 * toplev.c (float_signal, pipe_closed): Likewise.
3454 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3456 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3457 when generating the decision tree for the general case.
3459 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3460 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3462 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3464 * Makefile.in (sched.o): Depend on recog.h.
3466 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3467 (unsigned) when comparing against one.
3468 (find_base_value): Likewise.
3469 (record_base_value): Cast variable `regno' to (unsigned) when
3470 comparing against one. Cast the result of REGNO() macro to
3471 (unsigned) when comparing against one.
3472 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3474 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3475 variable where an unsigned index is needed.
3477 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3478 before comparing against one.
3480 * collect2.c: Add prototypes for functions `error', `fatal' and
3481 `fatal_perror'. Make these functions take variable arguments
3482 instead of faking it with a fixed number of args.
3483 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3486 * combine.c (can_combine_p): Mark parameter `pred' with
3488 (find_split_point): Cast variable `src' to (unsigned
3489 HOST_WIDE_INT) when comparing against one.
3490 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3491 (simplify_logical): Likewise.
3492 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3493 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3494 HOST_WIDE_INT) in shift.
3495 (simplify_and_const_int): Cast result of INTVAL() macro to
3496 `unsigned HOST_WIDE_INT' when comparing against one.
3497 (merge_outer_ops): Cast variable const0 to `unsigned
3498 HOST_WIDE_INT' when comparing against the result of
3499 GET_MODE_MASK() macro.
3500 (simplify_comparison): Likewise for variable `c0'. Cast variable
3501 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3502 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3503 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3504 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3505 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3506 comparing against one.
3507 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3509 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3510 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3511 (output_block_move): Cast `sizeof' expression to (int) when
3512 comparing against one.
3513 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3515 (save_restore_insns): Cast `base_offset' to `long' to match format
3516 specifier in fprintf.
3518 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3519 to `enum machine_mode'.
3521 * flow.c (life_analysis_1): Remove unused variable `insn'.
3523 * gcc.c (translate_options): Move variables `j' and `k' into the
3524 scope in which they are used. Change their types to `size_t'.
3525 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3526 (read_specs): Likewise.
3527 (process_command): Cast `sizeof' to (int) when comparing against one.
3528 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3529 (handle_braces): Cast both sides of `==' expression to `long' to
3530 ensure sign matching.
3531 (main): Cast variable `i' to `int' when comparing against one.
3533 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3534 int to size_t. Cast variable `i' to size_t when comparing against
3537 * genattrtab.c (convert_set_attr_alternative): Remove unused
3538 parameter `insn_code'. All callers changed.
3539 (convert_set_attr): Likewise.
3541 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3542 size_t when comparing against one. Likewise for variable `len'.
3544 * global.c (global_alloc): Cast variable `max_regno' to size_t
3545 when comparing against one. Likewise for variable `max_allocno'.
3547 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3549 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3550 `set' with ATTRIBUTE_UNUSED.
3551 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3554 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3555 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3556 (get_condition): Cast variable `const_val' to `unsigned
3557 HOST_WIDE_INT' when comparing against one. Cast unsigned
3558 expression to HOST_WIDE_INT when comparing against one.
3559 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3560 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3561 `unsigned' when comparing against one.
3563 * protoize.c (is_id_char): Change type of parameter `ch' to
3565 (munge_compile_params): Cast argument of ctype macro to (const
3567 (process_aux_info_file): Cast variable `aux_info_size' to int when
3568 comparing against one.
3569 (forward_to_next_token_char): Cast argument of ctype macro to
3570 `const unsigned char'.
3571 (edit_formals_lists): Likewise.
3572 (find_rightmost_formals_list): Likewise.
3573 (add_local_decl): Likewise.
3574 (add_global_decls): Likewise.
3575 (edit_fn_definition): Likewise.
3576 (do_cleaning): Likewise.
3577 (scan_for_missed_items): Likewise.
3578 (edit_file): Cast variable `orig_size' to (int) when comparing
3580 (main): Cast argument of ctype macro to `const unsigned char'.
3582 * recog.c (const_int_operand): Mark parameter `mode' with
3585 * regclass.c (record_reg_classes): Change type of variable `c' to
3586 `unsigned char'. Cast `char' array index to `unsigned char'.
3588 * reload.c (push_secondary_reload): Cast argument to
3589 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3591 * reload1.c (calculate_needs): Cast `char' array index to
3593 (set_label_offsets): Change type of variable `i' to unsigned int.
3594 Cast result of XVECLEN() macro to unsigned when comparing against
3596 (mark_not_eliminable): Change type of variable `i' to unsigned.
3597 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3598 when comparing against one.
3599 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3600 comparing against one.
3601 (choose_reload_regs): Hide unused label `fail'.
3602 (reload_cse_simplify_operands): Cast `char' array index to
3604 (reload_combine_note_store): Mark parameter `set' with
3605 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3607 (reload_cse_move2add): Remove unused variable `src2'.
3609 * sched.c: Include recog.h.
3610 (sched_note_set): Remove unused parameter `b'. All callers
3612 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3613 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3614 when comparing against one.
3616 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3617 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3618 comparing against one.
3620 * unroll.c (precondition_loop_p): Remove unused parameter
3621 `loop_end'. All callers changed.
3623 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3625 * reload1.c (maybe_fix_stack_asms): New static function.
3628 * reload.h (compute_use_by_pseudos): Declare.
3630 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3631 (something_needs_reloads): Delete variable.
3632 (finish_spills): New function.
3633 (compute_use_by_pseudos): New function.
3635 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3636 Use the reload_insn_chain instead of walking the rtl directly.
3638 (reload): Allocate and free spilled_pseudos.
3639 Ensure that all calls of spill_hard_reg are followed by a call to
3641 Use the insns_need_reload list instead of something_needs_reloads
3642 to find out if reload_as_needed must be called.
3643 Clear unused_insn_chains at the end.
3645 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3647 Delete code to keep track of current basic block.
3648 Walk reload_insn_chain instead of the rtl structure. Build the
3649 insns_need_reload chain.
3650 Remember which insns need reloading/elimination by setting the
3651 appropriate fields in struct insn_chain, not by putting modes on the
3654 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3655 arg INSN. All callers changed.
3656 Delete declaration of struct needs.
3657 Don't set something_needs_reloads.
3658 Record insn needs in the CHAIN argument.
3660 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3662 (reload_as_needed): Lose FIRST arg. All callers changed.
3663 Walk the reload_insn_chain instead of the rtx structure.
3664 Delete code to keep track of current basic block.
3665 Rename one of the NEXT variables to OLD_NEXT.
3667 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3669 (choose_reload_regs): Likewise.
3671 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3674 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3675 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3676 (hard_regs_live, hard_regs_need_restore): Delete variables.
3677 (n_regs_saved): Now static.
3678 (referenced_regs, this_insn_sets): New variables.
3680 (setup_save_areas): Restructure the code a bit.
3682 (restore_referenced_regs): Delete function.
3683 (mark_referenced_regs): New function, similar to the old
3684 restore_referenced_regs, but mark registers in referenced_regs.
3686 (clear_reg_live): Delete function.
3687 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3688 Only mark registers in this_insn_sets.
3690 (save_call_clobbered_regs): Rework this function to walk the
3691 reload_insn_chain instead of using the list of instructions directly.
3692 Delete code to keep track of register lives, compute live regs on the
3693 fly from information in the chain.
3694 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3695 then walk the set it computes and call insert_restore as appropriate.
3697 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3699 Restructure the code a bit. Test hard_regs_saved instead of
3700 hard_regs_need_restore.
3701 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3702 args. All callers changed.
3703 Restructure the code a bit. Use TO_SAVE to determine which regs to
3704 save instead of more complicated test.
3705 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3707 Create a new insn_chain structure for the new insn and place it
3710 * rtl.texi: Update documentation to reflect that reload no longer
3711 puts modes on the insns.
3713 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3715 * function.c (purge_addressof_1): Force the first argument of a
3716 CALL insn to memory.
3718 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3720 * rtl.h: Delete duplicate prototypes. Add some missing
3722 * rtlanal.c: (for_each_rtx): Formatting tweak.
3724 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3726 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3727 to be compatible with TI compiler.
3729 * Makefile.in (USER_H): Add va-c4x.h to definition.
3731 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3733 * function.c (purge_addressof_1): Fix typo in inequality: do
3734 bitfield optimization for equal mode sizes.
3735 * expmed.c (store_bit_field): Don't take subregs of subregs in
3736 the movstrict case. Tidy a potential problem in the multi-word case.
3737 (extract_bit_field): Likewise.
3739 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3741 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3743 Compute max_uid_for_flow by calling get_max_uid after the scan.
3744 (find_basic_blocks_1): Don't emit NOPs here.
3746 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3748 * alias.c (base_alias_check): Accept new args for the modes of the
3749 two references. Use them to determine if an AND can overlap. Update
3751 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3752 to determine if an AND can overlap.
3754 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3756 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3757 check. Add comment to document problems with TARGET_SUN_FPA version
3759 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3761 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3763 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3765 * c-common.c (print_char_table): Add missing initializers.
3766 (scan_char_table): Likewise.
3767 (time_char_table): Likewise.
3769 * c-decl.c (c_decode_option): Mark parameter `argc' with
3771 (declare_parm_level): Mark parameter `definition_flag' with
3774 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3775 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3778 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3780 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3782 (expand_call): Cast result of MIN() to (unsigned int) when
3783 comparing against an unsigned value.
3785 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3787 (make_definition): Remove unused parameter `op'. All callers
3789 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3790 comparing against the result of pointer arithmetic.
3792 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3793 when comparing against one.
3795 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3796 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3798 (output_die): Move variable `i' into the scope in which it is
3799 used. Change its type to `unsigned'.
3800 (output_die): Cast the result of `strlen' to (int) when passing it
3801 to ASM_OUTPUT_ASCII().
3802 (output_pubnames): Likewise.
3803 (output_line_info): Likewise.
3805 * emit-rtl.c (global_rtl): Add missing initializers.
3807 * explow.c (promote_mode): Mark parameter `for_call' with
3810 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3811 `unsigned HOST_WIDE_INT' when comparing against one.
3812 (synth_mult): Change type of variable `cost' to int.
3813 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3815 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3816 when comparing against one.
3817 (get_inner_reference): Change variable `alignment' to unsigned.
3818 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3819 int) when comparing against one.
3820 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3822 * fold-const.c (div_and_round_double): Cast BASE to
3823 (HOST_WIDE_INT) when comparing against one.
3825 * gencheck.c: Include gansidecl.h.
3826 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3828 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3829 `tcode' with ATTRIBUTE_UNUSED.
3831 * real.c (edivm): Cast constant value to (unsigned long) in
3832 expression compared against an unsigned value.
3834 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3835 comparing against one.
3836 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3837 when comparing against one.
3839 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3840 (unsigned int) when comparing against one. Likewise for
3842 (smallest_mode_for_size): Likewise.
3843 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3844 (restore_storage_status): Likewise.
3846 * toplev.c (debug_args): Add missing initializer.
3847 (f_options): Spelling correction. Add missing initializers.
3848 (documented_lang_options): Likewise.
3849 (debug_end_source_file): Mark parameter `lineno' with
3852 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3853 `decl' and `type' with ATTRIBUTE_UNUSED.
3855 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3856 when comparing against one.
3857 (assemble_variable): Mark parameter `top_level' with
3859 (assemble_external_libcall): Mark parameter `fun' with
3861 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3864 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3866 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3867 Replace use of r5 with use of r19.
3869 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3871 * config/v850/v850.c (compute_register_save_size): Allow for the
3872 fact that helper functions save all registers, not just those used
3875 Replace constant 31 with macro LINK_POINTER_REGNUM.
3877 * config/v850/v850.md: Use 'indirect_operand' rather than
3878 'memory_operand' for bit test/set/clear patterns.
3880 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
3882 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
3883 * varasm.c (assemble_start_function et al): Don't call
3884 ASM_GLOBALIZE_LABEL for weak symbols.
3886 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
3888 * cse.c (equiv_constant): Check for NULL return from
3889 gen_lowpart_if_possible().
3891 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
3893 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
3895 * collect2.c (main): Pass -EL/-EB through to the compiler.
3897 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3899 * expr.c (push_block): Handle targets where the stack grows
3900 to higher addresses, but args grow to lower addresses and
3901 ACCUMULATE_OUTGOING_ARGS is not defined.
3903 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
3905 * config/v850/v850.c (print_operand): Extend meaning
3906 of 'c' operands to support .vtinherit.
3908 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3910 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
3911 Added ATTRIBUTE_UNUSED to unused function arguments.
3912 (rc_reg_operand): New predicate.
3913 (c4x_rptb_insert): New function.
3914 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
3915 (c4x_optimization_options): New function.
3917 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
3918 (decrement_and_branch_on_count): New pattern.
3919 (rptb_top): Modified pattern to work with BCT optimization.
3921 * config/c4x/c4x.h (RC_REG): New register class.
3922 (rc_reg_operand): Define prototype.
3923 (IS_RC_REG): New macro.
3924 (IS_RC_OR_PSEUDO_REG): New macro.
3925 (IS_RC_OR_PSEUDO_REGNO): New macro.
3926 (OPTIMIZATION_OPTIONS): Define.
3928 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
3930 * collect2.c (extract_init_priority): No priority is 65535.
3932 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3934 * Makefile.in (build_tooldir): new variable, same as old
3935 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
3936 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
3937 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
3939 * configure.in (gxx_include_dir): set default based on unlibsubdir
3940 * Makefile.in (tooldir): ditto
3941 (cccp.o, cpplib.o): use unlibsubdir implicitly through
3942 gxx_include_dir, includedir and tooldir
3943 (protoize.o, unprotoize.o): ditto
3945 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
3947 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
3949 * config/arm/thumb.c (thumb_override_options): Add warning about
3950 PIC code not being supported just yet.
3952 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
3954 * flow.c: Update comment.
3955 (notice_stack_pointer_modification): New static function.
3956 (record_volatile_insns): Use it.
3957 (mark_regs_live_at_end): Mark the stack pointer as alive
3958 at the end of the function if current_function_sp_is_unchanging
3960 (life_analysis_1): Set current_function_sp_is_unchanging.
3961 * function.c: Define it.
3962 (init_function_start): Initialize it.
3963 * output.h: Declare it.
3964 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
3965 the stack pointer as alive at the end of the function if
3966 current_function_sp_is_unchanging is set.
3967 * i386.c (ix86_epilogue): Optimize the restoring
3968 of the stack pointer.
3970 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
3972 * version.c: Bump for snapshot.
3974 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
3976 * c-pragma.c (handle_pragma_token): If passed a token instead
3977 of a tree, use that as the pack value.
3979 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
3981 * flow.c (find_basic_blocks_1): Fix prototype.
3983 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
3985 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
3986 (struct tree_decl): New fields no_check_memory_usage.
3987 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
3988 (init_attributes): Register it as a new attribute.
3989 (decl_attributes): Set flags on functions given that attribute.
3990 * c-decl.c (duplicate_decls): Merge new attribute.
3991 * expr.h (current_function_check_memory_usage): Declare new var.
3992 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
3993 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
3994 current_function_check_memory_usage.
3995 * function.h: Add field to struct function.
3996 * function.c (current_function_check_memory_usage): Define it.
3997 (push_function_context_to, pop_function_context_from): Save and
3999 (expand_function_start): Set it, based on global flag and function
4002 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4003 check non-automatic variables, to permit detection of writes to
4004 read-only locations in embedded systems without memory management.
4005 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4006 when emitting chkr_set_right_libfunc call, even if the argument is
4007 BLKmode or variable-sized; don't abort.
4009 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4010 symbols in Pmode, not VOIDmode.
4012 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4014 * cppexp.c: When forcing unsigned comparisons, cast both sides
4017 * cpphash.h: Move static declaration of hashtab[]...
4018 * cpphash.c: ...here.
4020 * cpplib.c: Cast difference of two pointers to size_t before
4021 comparing it to size_t. Cast signed to unsigned
4022 before comparing to size_t. (FIXME: struct argdata should use
4023 unsigned buffer sizes.)
4024 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4025 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4026 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4027 size_t before comparison.
4029 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4031 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4032 (find_basic_blocks_1): Similarly.
4033 * output.h (find_basic_blocks): Fix prototype.
4034 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4035 find_basic_blocks anymore.
4037 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4039 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4040 (sbitmap_free, sbitmap_vector_free): New macros.
4041 * output.h (rtl_dump_file): Declare.
4043 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4045 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4047 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4049 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4051 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4052 (divide): Remove unused variable `tmp'.
4053 (si_to_float): Cast numeric constant to (SItype) before comparing
4056 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4058 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4059 * gcc.c (add_preprocessor_option): Correct typo when allocating
4060 memory, sizeof() argument had one too many `*'.
4061 (add_assembler_option): Likewise.
4062 (add_linker_option): Likewise.
4063 * gcov.c (output_data): Likewise.
4064 * local-alloc.c (memref_used_between_p): Likewise.
4065 (update_equiv_regs): Likewise.
4066 * loop.c (strength_reduce): Likewise.
4067 * reg-stack.c (record_asm_reg_life): Likewise.
4068 (subst_asm_stack_reg): Likewise.
4069 * reorg.c (dbr_schedule): Likewise.
4071 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4073 * flow.c (life_analysis_1): Break out some functions.
4074 (find_basic_blocks_1): Likewise. Also move some variables out and
4076 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4077 new static var nonlocal_label_list with it.
4078 (active_eh_region, nested_eh_region, label_value_list,
4079 nonlocal_label_list): New static variables.
4080 (make_edges, delete_unreachable_blocks, delete_block): New static
4081 functions, broken out of find_basic_blocks_1.
4082 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4083 noop_move_p): New static functions, broken out of life_analysis_1.
4085 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4087 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4088 Take extra care for op0 now possibly being a subreg.
4089 (extract_bit_field): Likewise.
4090 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4091 the reg to memory if there is no equal sized integral mode.
4092 * stor-layout.c (int_mode_for_mode): New function.
4093 * machmode.h: Prototype it.
4095 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4097 * global.c (build_insn_chain): Verify no real insns exist past the
4098 end of the last basic block, then exit the loop.
4100 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4102 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4104 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4106 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4108 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4110 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4112 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4114 * flow.c (find_basic_blocks): Correctly determine when a call
4115 is within an exception region.
4117 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4119 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4121 * cpplib.h: Protect from multiple inclusions.
4122 * cpplib.c: Fix minor formatting problems.
4124 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4126 * jump.c (jump_optimize): Revert accidental patch.
4128 * Makefile.in (cpplib.o): Use unlibsubdir.
4130 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4132 * loop.c (get_condition): Allow combine when either compare is
4135 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4137 * version.c: Bump for snapshot.
4139 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4141 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4142 (init_lex): Initialize ridpointers[RID_BYREF].
4143 * c-lex.h (enum rid): Add RID_BYREF.
4144 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4145 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4146 (encode_type_qualifiers): Similarly
4147 * c-gperf.h: Rebuilt.
4149 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4151 * c-common.c (type_for_mode): Only return TItype nodes when
4152 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4153 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4154 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4155 (init_decl_processing): Only create TItype nodes when
4156 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4157 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4158 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4160 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4162 * stmt.c (n_occurrences): New static function.
4163 (expand_asm_operands): Verify that all constrains match in the
4164 number of alternatives.
4165 Verify that '+' or '=' are at the beginning of an output constraint.
4166 Don't allow '&' for input operands.
4167 Verify that '%' isn't written for the last operand.
4168 * reload.c (find_reloads): Abort if an asm is found with invalid
4169 constraints; all possible problems ought to be checked for earlier.
4171 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4173 * flags.h (flag_branch_on_count_reg): Always declare
4174 * toplev.c (flag_branch_on_count_reg): Likewise.
4175 * toplev.c: Fix typos.
4177 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4180 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4182 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4184 (find_basic_blocks_1): Add a nop to the end of a basic block when
4185 a trailing call insn does not have abnormal control flow.
4186 * gcse.c (pre_transpout): New variable.
4187 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4188 (compute_pre_transpout): Calculate it.
4189 (compute_pre_ppinout): Use it to eliminate impossible placements
4190 due to abnormal control flow through calls.
4191 (compute_pre_data): Call compute_pre_transpout.
4193 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4195 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4197 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4199 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4200 and matching define_insns): Tack on a `use' of the table label, so
4201 flow analysis will recognize a tablejump.
4203 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4205 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4206 always end basic blocks for abnormal edge reasons.
4208 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4210 * config/i386/i386.h: Remove definition of
4211 HANDLE_PRAGMA_PACK_PUSH_POP.
4213 * config/i386/go32.h: Add definition of
4214 HANDLE_PRAGMA_PACK_PUSH_POP.
4216 * config/i386/win32.h: Add definition of
4217 HANDLE_PRAGMA_PACK_PUSH_POP.
4219 * config/i386/cygwin32.h: Add definition of
4220 HANDLE_PRAGMA_PACK_PUSH_POP.
4222 * c-pragma.c (insert_pack_attributes): Do not insert
4223 attributes unless #pragma pack(push,<n>) is in effect.
4225 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4227 * expr.c (emit_group_store): Handle a PARALLEL destination.
4229 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4231 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4232 the new insns before the argument regs are loaded.
4234 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4236 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4237 (c-parse.gperf): Update comments describing invocation flags.
4238 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4240 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4242 * reload1.c (reload): Call free before clobbering the memory
4243 locations or constants pointers.
4245 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4247 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4248 for efficiency by checking whether we need to modify the current
4249 stack permission at all.
4250 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4251 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4252 __enable_execute_stack libcall here too if
4253 TRANSFER_FROM_TRAMPOLINE is defined.
4254 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4257 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4259 * Makefile.in (DRIVER_DEFINES): Remove last change.
4261 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4263 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4264 insns we're going to copy.
4265 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4267 * loop.c (count_one_set): Add prototype.
4269 * caller-save.c (restore_referenced_regs): Lose mode argument.
4270 (insert_save): Lose mode argument.
4271 (insert_restore): Lose mode argument.
4272 (insert_one_insn): Lose mode argument.
4273 (save_call_clobbered_regs): Lose mode argument.
4274 (setup_save_areas): Take no argument and return void. All callers
4276 Don't verify validity of memory addresses.
4277 * reload.h (setup_save_ares): Adjust prototype.
4278 (save_call_clobbered_regs): Likewise.
4279 * reload1.c (delete_caller_save_insns): New function.
4280 (caller_save_spill_class): Delete variable.
4281 (caller_save_group_size): Delete variable.
4282 (reload): Call setup_save_areas and save_call_clobbered_regs
4283 in the main loop, before calling calculate_needs_all_insns.
4284 Don't call save_call_clobbered_regs after the loop.
4285 Call delete_caller_save_insns at the end of an iteration if
4287 Delete code to manage caller_save_spill_class.
4288 Emit the final note before setting reload_first_uid.
4289 Simplify test that determines whether reload_as_needed gets run.
4290 (calculate_needs): Delete code to manage caller_save_spill_class.
4292 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4294 * collect2.c (main): Initialize ld_file_name.
4296 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4298 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4299 check for flag_function_sections.
4301 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4303 * cse.c (insert_regs): Fix bug in Sep 24 change.
4305 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4307 * flags.h (flag_dump_unnumbered): Declare.
4308 * toplev.c (flag_dump_unnumbered): Don't declare.
4309 * print-rtl.c (flags.h): Include.
4310 (print_rtl_single): Add return value.
4311 * rtl.h (print_rtl_single): Update declaration.
4312 * flow.c (flag_dump_unnumbered): Don't declare.
4313 (print_rtl_with_bb): Use return value of print_rtl_single.
4315 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4317 * loop.c (count_one_set): New static function, broken out of
4319 (count_loop_regs_set): Call it.
4320 * global.c (mark_reg_store): Handle clobbers here by not calling
4322 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4323 is in fact a clobber.
4324 * integrate.c (process_reg_param): New function, broken out of
4325 expand_inline_function.
4326 (expand_inline_function): Call it.
4329 * i386.md (addsidi3_1): Delete unused variable temp.
4330 (addsidi3_2): Likewise.
4331 (clstrstrsi): Delete unused variable addr1.
4333 * rtl.h: Don't declare any functions also declared in recog.h.
4335 * Makefile.in (stupid.o): Update dependencies.
4336 (global.o): Likewise.
4338 * global.c: Include reload.h
4339 (reg_becomes_live): New function.
4340 (reg_dies): New function.
4341 (build_insn_chain): New function.
4342 (global_alloc): Call build_insn_chain before calling reload.
4344 * reload.h (struct needs): New structure definition.
4345 (struct insn_chain): Likewise.
4346 (reload_insn_chain): Declare variable.
4347 (new_insn_chain): Declare function.
4350 * reload1.c (reload_startobj): New variable.
4351 (reload_insn_chain): New variable.
4352 (unused_insn_chains): New variable.
4353 (new_insn_chain): New function.
4354 (init_reload): Initialize reload_startobj, not reload_firstobj.
4355 (reload): Initialize reload_firstobj.
4356 Before returning, free everything on the reload_obstack.
4358 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4359 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4360 current_chain): New variables.
4361 (reg_where_born): Delete variable.
4362 (REG_WHERE_BORN): New macro.
4363 (find_clobbered_regs): New function.
4364 (stupid_life_analysis): Don't allocate/free reg_where_born.
4365 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4366 reg_where_dead_chain.
4367 Use REG_WHERE_BORN instead of reg_where_born.
4368 While processing the insns, build the reload_insn_chain with
4369 information about register lifetimes.
4370 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4371 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4373 Compute and information about birth and death of pseudo registers in
4374 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4375 Delete code to set elements of reg_where_born.
4377 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4379 * tree.def (GOTO_EXPR): Modified documentation.
4380 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4383 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4385 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4386 loop_final_value, loop_comparison_code): No longer static.
4387 (unroll_loop): Delete loop_start_value update.
4388 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4389 loop_final_value, loop_comparison_code): Extern.
4390 (loop_start_value): Delete extern.
4391 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4392 loop_comparison_value, loop_comparison_code): Delete.
4393 (loop_optimize): Remove initialization for deleted variables.
4394 (strength_reduce): Delete analyze_loop_iterations call. Only call
4395 insert_bct if flag_branch_count_on_reg set.
4396 (analyze_loop_iterations): Delete.
4397 (insert_bct): Remove iteration count calculation. Move checks for
4398 viable BCT optimization to here. Obtain iteration count from
4399 loop_iterations and correct for unrolling. Check for enough
4400 iteration to be beneficial. Comment out runtime iteration count
4402 (insert_bct): Print iteration count in dump file. Remove
4403 loop_var_mode and use word_mode directly.
4405 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4406 * rs6000.c (rs6000_override_options): Use it.
4407 (optimization_options): Enable use of flag_branch_on_count_reg.
4408 * rs6000.md (define_function_unit): Describe 604e.
4410 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4412 * loop.c (move_movables): Corrected threshold calculation for
4413 moved_once registers.
4415 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4417 * loop.c (combine_givs_p): Fix test for identical givs.
4419 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4421 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4422 call abort if the function is already defined.
4424 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4426 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4427 truncation is not a no-op.
4429 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4431 * version.c: Bump for snapshot.
4433 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4435 * version.c: Bump for snapshot.
4437 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4439 * expmed.c (expand_divmod): Don't widen for computing remainder
4440 if we seem to have a divmod pattern for needed mode.
4442 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4444 * cpplib.c (macroexpand): Correct off-by-one error in handling
4447 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4449 * combine.c (expand_field_assignment): Don't do bitwise operations
4450 on MODE_FLOAT; pun to MODE_INT if possible.
4452 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4453 scott snyder <snyder@d0sgif.fnal.gov>
4455 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4456 linker. Recognize mangled names in quotes.
4458 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4460 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4461 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4462 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4463 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4465 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4467 * function.c (purge_addressof_1): If trying to take a sub-word
4468 integral piece of a floating point mode, put it on the stack.
4470 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4472 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4474 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4476 * PROJECTS: Remove template friends.
4478 * collect2.c (sort_ids): Remove unused variable.
4480 * tm.texi (MATH_LIBRARY): Document.
4481 (NEED_MATH_LIBRARY): Remove.
4483 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4484 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4486 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4488 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4489 last_end to 0x7fffffff.
4491 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4493 * function.c (purge_addressof_1): Do not perform endianness
4494 corrections on bitpos, who we call will do it for us.
4496 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4498 * h8300.c (WORD_REG_USED): Fix typo.
4499 (initial_offset): Use WORD_REG_USED.
4501 * h8300.c (handle_pragma): Fix typo.
4503 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4505 * caller-save.c (insert_save_restore): Break this function up
4506 into new functions insert_restore, insert_save and insert_one_insn.
4507 All callers changed.
4508 (insert_restore): New function, mostly broken out of
4509 insert_save_restore.
4510 (insert_save): Likewise.
4511 (insert_one_insn): Likewise.
4512 (restore_referenced_regs): New argument BLOCK. All callers changed.
4513 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4514 in this function, do it in insert_one_insn instead.
4516 * reload1.c (reload): Break out some more pieces into separate
4518 (dump_needs): New function, broken out of reload.
4519 (set_initial_elim_offsets): Likewise.
4520 (init_elim_table): Likewise.
4521 (update_eliminables): Likewise.
4523 * global.c (global_alloc): Delete code to manage the scratch_list.
4524 * local-alloc.c (qty_scratch_rtx): Delete.
4525 (scratch_block): Delete.
4526 (scratch_list): Delete.
4527 (scratch_list_length): Delete.
4528 (scratch_index): Delete.
4529 (alloc_qty_for_scratch): Delete.
4530 (local-alloc): Update initialization of max_qty.
4531 Delete code to manage the scratch list.
4532 Delete code to allocate/initialize qty_scratch_rtx.
4533 (block_alloc): Don't allocate quantities for scratches.
4534 Delete code to manage the scratch list.
4535 * regs.h (scratch_list): Delete declaration.
4536 (scratch_block): Delete declaration.
4537 (scratch_list_length): Delete declaration.
4538 * reload1.c (reload): Delete code to manage the scratch list.
4539 (spill_hard_reg): Likewise.
4540 (mark_scratch_live): Delete.
4542 * recog.c (alter_subreg): Delete declaration.
4544 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4546 * Makefile.in (cccp.o): Fix typo in last patch.
4548 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4550 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4551 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4553 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4555 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4556 NULL_RTX as an argument.
4558 * Makefile.in (unlibsubdir): Define.
4559 (DRIVER_DEFINES): Use unlibsubdir.
4560 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4561 (stmp-fixinc): Similarly.
4563 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4565 * regmove.c (regmove_optimize): Add variable old_max_uid.
4566 At the end of the function, update basic_block_end.
4568 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4570 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4571 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4574 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4576 * config/arm/arm.c: Improve interworking support.
4578 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4580 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4581 copied from reload_out[r] .
4583 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4585 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4586 with more than three size ranges.
4588 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4590 * rtl.c (mode_name): Add a null string at the end of the array.
4591 (mode_wider_mode): Change type to unsigned char.
4592 (mode_mask_array): New variable.
4593 (init_rtl): Update for mode_wider_mode type change.
4595 * rtl.h (mode_wider_mode): Change type to unsigned char.
4596 (mode_mask_array): Declare.
4597 (GET_MODE_MASK): Use mode_mask_array.
4599 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4601 * calls.c (expand_call) : Encapsulate code into
4602 copy_blkmode_from_reg.
4603 * expr.c (copy_blkmode_from_reg): New function.
4604 * expr.h (copy_blkmode_from_reg): New function.
4605 * integrate.c (function_cannot_inline_p): We can inline
4607 (expand_inline_function): Use copy_blkmode_from_reg
4608 if needed. Avoid creating BLKmode REGs.
4609 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4612 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4614 * config/v850/v850.c: Add function prototypes.
4615 Add support for v850 special data areas.
4617 * config/v850/v850.h: Add support for v850 special data areas.
4619 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4620 HANDLE_PRAGMA_PACK_PUSH_POP.
4621 (push_alignment): New function: Cache an alignment requested
4622 by a #pragma pack(push,<n>).
4623 (pop_alignment): New function: Pop an alignment from the
4625 (insert_pack_attributes): New function: Generate __packed__
4626 and __aligned__ attributes for new decls whilst a #pragma pack
4628 (add_weak): New function: Cache a #pragma weak directive.
4629 (handle_pragma_token): Document calling conventions. Add
4630 support for #pragma pack(push,<n>) and #pragma pack (pop).
4632 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4633 are defined enable HANDLE_PRAGMA_PACK.
4634 Move 'struct weak_syms' here (from varasm.c).
4635 Add pragma states for push and pop pragmas.
4637 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4640 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4641 HANDLE_GENERIC_PRAGMAS.
4643 * varasm.c: Move definition of 'struct weak_syms' into
4645 (handle_pragma_weak): Deleted.
4647 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4649 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4651 * c-decl.c (start_function): Add invocation of
4652 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4654 * tm.texi: Remove description of non-existant macro
4655 SET_DEFAULT_SECTION_NAME.
4657 (HANDLE_SYSV_PRAGMA): Document.
4658 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4660 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4662 * config.sub: Recognize i[34567]86-pc-udk as new target.
4663 * configure.in: Likewise.
4664 * config/i386/t-udk: New file.
4665 * config/i386/udk.h: New file.
4667 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4669 * reorg.c (check_annul_list_true_false): Remove unused variables.
4670 (steal_delay_list_from_target): Add missing "used_annul" variable.
4671 (try_merge_delay_insns): Close out half formed comment.
4673 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4675 * cpplib.c (macroexpand): If arg->raw_before or
4676 arg->raw_after, remove any no-reexpansion escape at the
4677 beginning of the pasted token. Correct handling of whitespace
4678 markers and no-reexpand markers at the end if arg->raw_after.
4680 * toplev.c (documented_lang_options): Recognize -include,
4681 -imacros, -iwithprefix, -iwithprefixbefore.
4682 * cpplib.c (cpp_start_read): Process -imacros and -include
4683 switches at the same time and in command-line order, after
4684 initializing the dependency-output code. Emit properly nested
4685 #line directives for them. Emit a #line for the main file
4686 before processing these switches, and don't do it again
4689 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4691 * function.c (purge_addressof_1): Use bitfield manipulation
4692 routines to handle mem mode < reg mode.
4694 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4696 * reorg.c (try_merge_delay_insns): Account for resources referenced
4697 in each instruction in INSN's delay list before trying to eliminate
4698 useless instructions. Similarly when looking at a trial insn's delay
4701 * reorg.c (check_annul_list_true_false): New function.
4702 (steal_delay_list_from_{target,fallthrough}): Call it and also
4703 refine tests for when we may annul if already filled a slot.
4704 (fill_slots_from_thread): Likewise.
4705 (delete_from_delay_slot): Return newly-created thread.
4706 (try_merge_delay_isns): Use its new return value.
4708 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4710 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4711 used to compute a giv or as some other non-counting use.
4713 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4715 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4716 * local-alloc.c (find_free_reg): Use it.
4717 * global.c (find_reg): Likewise.
4718 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4720 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4721 * caller-save.c (init_caller_save): Use it.
4722 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4724 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4726 * configure.in: Add --enable-cpplib option which uses cpplib
4727 for cpp, but doesn't link cpplib into cc1. Make help text
4728 capitalization consistent.
4729 * configure: Rebuilt.
4731 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4733 * function.c (gen_mem_addressof): If the address REG is
4734 REG_USERVAR_P make the new REG be so also.
4735 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4736 in an attempt to clarify slightly.
4738 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4740 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4741 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4743 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4745 * toplev.c: Fix last patch.
4747 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4749 * loop.c (get_condition): Fix typo in May 9 change.
4751 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4753 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4755 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4757 * toplev.c (documented_lang_options): Spelling corrections.
4759 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4761 * configure.in: new flags --with-ld and --with-as, equivalent
4762 to setting LD and AS environment variables. Test whether
4763 specified arguments are GNU commands, and report them with
4764 checking messages. Use the specified AS for configure
4767 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4769 * gcc.c (find_a_file): when looking for `as' and `ld', return
4770 the DEFAULT program if it exists
4771 * collect2.c (main): use DEFAULT_LINKER if it exists
4773 * gcc.c (find_a_file): the test for existence of a full
4774 pathname was reversed
4776 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4778 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4779 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4781 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4783 * tree.h (TYPE_BINFO): Document.
4785 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4787 * i386-coff.h (dbxcoff.h): Added.
4789 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4791 * toplev.c: fix bad patch around flag_data_sections.
4793 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4795 * reload1.c (reload): Use reload_address_index_reg_class and
4796 reload_address_base_reg_class when setting
4797 caller_save_spill_class. (Patch generated by Jim Wilson:
4800 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4802 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4803 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4804 * expr.c (store_field): Add alias_set parameter. Set the
4805 MEM_ALIAS_SET accordingly, if the target is a MEM.
4806 (expand_assignment): Use it.
4807 (store_constructor_field): Pass 0.
4808 (expand_expr): Likewise.
4810 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4812 * flags.h: Add flag_data_sections.
4813 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4814 (compile_file): Error if flag_data_sections not supported.
4815 * varasm.c (assemble_variable): Handle flag_data_sections.
4816 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4817 * config/mips/elf.h: Likewise.
4818 * config/mips/elf64.h: Likewise.
4819 * invoke.texi: Describe -fdata-sections.
4821 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4823 * invoke.texi (-ffloat-store): Clarify that this option
4824 does not affect intermediate results -- only variables.
4826 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4828 * cpp.texi: Update for Fortran usage from Craig.
4830 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4832 * rs6000.c (function_arg_boundary): Revert accidental change on
4835 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4837 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4838 (output_mi_thunk): Declare.
4840 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4841 (output_function_profiler): Use r12 for temp, instead of r11 so
4842 that we preserve the static chain register.
4844 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4846 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4848 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4850 * sh.c (gen_shl_sext): Fix case 5.
4852 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4854 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4856 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4858 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4859 accessing variables until they are initialized via va_arg().
4861 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4863 * reload1.c (reload_combine): Initialize set before using.
4865 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4867 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4870 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4872 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4873 operand3 with mask before using it. Patch provided by Jim Wilson.
4875 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4877 * config/sparc/sparc.c (function_value): Perform the equivalent of
4878 PROMOTE_MODE for ARCH64.
4879 (eligible_for_epilogue_delay): Allow DImode operations in delay
4880 slot of a return for ARCH64.
4882 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4884 * sh.md (sqrtsf2): Fix mode of sqrt.
4886 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4888 * reload1.c (choose_reload_regs): Also try inheritance when
4889 reload_in is a stack slot of a pseudo, even if we already got a
4892 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4894 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
4895 (reload_cse_regs): New function body: call reload_cse_regs_1,
4896 reload_combine, reload_cse_move2add.
4897 When doing expensive_optimizations, call reload_cse_regs_1 a
4898 second time after reload_cse_move2add.
4899 (reload_combine, reload_combine_note_store): New functions.
4900 (reload_combine_note_use): New function.
4901 (reload_cse_move2add, move2add_note_store): New functions.
4903 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4905 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
4906 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
4908 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
4909 more than 3 such reloads.
4911 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
4912 RELOAD_FOR_X_ADDR_ADDR reload.
4914 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4916 * expr.c (store_constructor): When initializing a field that is smaller
4917 than a word, at the start of a word, try to widen it to a full word.
4919 * cse.c (cse_insn): When we are about to change a register,
4920 remove any invalid references to it.
4922 (remove_invalid_subreg_refs): New function.
4923 (mention_regs): Special treatment for SUBREGs.
4924 (insert_regs): Don't strip SUBREG for call to mention_regs.
4925 Check if reg_tick needs to be bumped up before that call.
4926 (lookup_as_function): Try to match known word_mode constants when
4927 looking for a norrower constant.
4928 (canon_hash): Special treatment for SUBREGs.
4930 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4932 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
4933 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
4934 defined, emit libcall to __enable_execute_stack. Also fix opcodes
4935 and offsets in actual stack trampoline code so they match the
4936 commentary and actually work.
4938 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4940 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
4942 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
4943 tmake_file. Set extra_parts to needed crt objects.
4944 * configure: Rebuilt.
4945 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
4946 (TARGET_DEFAULT): Set if default is v9 or ultra.
4947 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
4948 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
4949 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
4950 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4951 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
4952 (TARGET_VERSION): Define.
4953 (MULTILIB_DEFAULT): Define.
4954 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
4955 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
4956 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
4958 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
4959 * config/sparc/sparc.c (sparc_override_options): If arch and
4960 pointer size disagree, emit diagnostic and fix it up. If
4961 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
4962 V8PLUS in 64-bit mode.
4963 * config/sparc/t-linux64: New file.
4964 * config/sparc/t-sol2-64: New file.
4965 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
4966 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
4967 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
4968 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
4969 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
4970 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
4972 (STARTFILE_SPEC): Set approriately based upon those.
4973 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
4974 disposition of DEFAULT_ARCH32_P.
4975 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
4976 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
4977 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
4978 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
4979 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
4981 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
4983 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
4985 * rtl.h (init_virtual_regs): New function.
4986 * emit-rtl.c (init_virtual_regs): Define.
4987 (insn_emit): Use it.
4988 * integrate.c (save_for_inline_copying): Likewise.
4990 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
4992 * config/arm/thumb.h: The following patches were made by Jim Wilson:
4993 (enum reg_class): Add NONARG_LO_REGS support.
4994 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4995 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
4996 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
4997 completes. Re-enable HImode REG+OFFSET addresses.
4998 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5000 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5002 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5004 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5005 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5006 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5008 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5010 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5011 jumps as a single entity, taking into account the size of the
5014 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5016 * tree.def (SWITCH_EXPR): New tree node definition.
5018 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5020 * version.c: Bump for snapshot.
5022 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5024 * version.c: Bump for snapshot.
5026 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5028 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5031 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5033 * Revert this patch.
5034 * reload.c (find_reloads): Do not replace a pseudo with
5035 (MEM (reg_equiv_addr)) in the initializing insn for the
5038 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5040 * final.c (final_scan_insn): Disable tracking CC across branches.
5042 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5044 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5045 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5046 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5047 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5048 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5050 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5052 * toplev.c (rest_of_compilation): Skip compiling anything with
5053 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5055 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5057 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5058 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5059 use in_libcall_block.
5060 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5061 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5064 Mon Sep 21 14:02:23 1998
5066 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5067 typo in no-fancy-math-387 description.
5069 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5071 * version.c: Bump for snapshot.
5073 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5075 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5077 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5079 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5080 documented in install.texi.
5081 (TARGET_OPTIONS) Likewise.
5083 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5085 * version.c: Bump for snapshot.
5087 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5089 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5090 * cccp.c (main): Likewise.
5092 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5093 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5096 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5098 * Makefile.in (LIBS): Link in libiberty.a.
5099 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5101 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5103 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5104 it to update bb boundaries. Update caller.
5105 * function.c (reposition_prologue_and_epilogue_notes): Update
5106 bb boundaries wrt the moved note.
5108 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5110 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5112 * configure: Regenerate.
5114 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5116 * alpha.c (alpha_sr_alias_set): New variable.
5117 (override_options): Set it.
5118 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5119 (mode_mask_operand): Fix signed-unsigned comparision warning.
5120 (alpha_expand_block_move): Likewise.
5121 (print_operand): Likewise.
5122 (get_aligned_mem): Use change_address.
5123 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5124 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5125 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5126 (alpha_align_insns): Remade from old alphaev5_align_insns
5127 to handle multiple processors.
5128 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5129 * output.h (label_to_alignment): Prototype.
5131 * tree.c (new_alias_set): New function.
5132 * tree.h (new_alias_set): Declare it.
5133 * c-common.c (c_get_alias_set): Use it.
5135 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5137 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5138 to an ABS expr, convert an unsigned input to signed.
5140 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5142 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5144 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5146 * configure.in: Add support for c4x targets.
5147 * configure: Rebuilt.
5149 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5151 * combine.c (distribute_notes): If an insn is a cc0 user, only
5152 delete it if we can also delete the cc0 setter.
5154 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5156 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5157 (invert_truthvalue): Enable truthvalue inversion for
5158 floating-point operands if -ffast-math.
5160 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5162 * configure.in: Disable collect2 for nextstep. Instead use
5164 * configure: Rebuilt.
5165 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5166 (ENDFILE_SPEC): Define.
5167 (OBJECT_FORMAT_MACHO): Define.
5168 (EH_FRAME_SECTION_ASM_OP): Define.
5169 * crtstuff.c: Handle MACHO.
5171 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5173 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5175 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5177 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5178 (_fpadd_parts): Get sign right for 0.
5180 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5182 * ginclude/varargs.h: Add support for C4x target.
5183 * ginclude/stdargs.h: Likewise.
5185 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5187 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5188 (alpha_emit_set_long_const): Rewrite to be callable from reload
5190 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5191 * alpha.md (movdi): Likewise.
5193 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5195 * arm.c (add_constant): New parameter address_only, change caller.
5196 Set it non-zero if taking the address of an item in the pool.
5197 (arm_reorg): Handle cases where we need the address of an item in
5200 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5202 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5203 memory addresses that are not in standard canonical form.
5205 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5207 * README.C4X: New file with information about the c4x ports.
5208 * ginclude/va-c4x.h: New file for c4x varargs support.
5209 * config/c4x: New directory with c4x port files.
5211 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5213 * reload.c (find_reloads): Do not replace a pseudo with
5214 (MEM (reg_equiv_addr)) in the initializing insn for the
5217 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5219 * toplev.c (rest_of_compilation): Set bct_p on second call to
5221 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5223 (strength_reduce): Only call analyze_loop_iterations and
5224 insert_bct if bct_p set.
5225 (check_dbra_loop): Fix typo.
5226 (insert_bct): Use word_mode instead of SImode.
5227 (instrument_loop_bct): Likewise. Do not delete iteration count
5228 condition code generation insn. Initialize iteration count before
5230 * rtl.h (loop_optimize): Update prototype.
5232 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5233 not doubleword aligned.
5235 * rs6000.c (optimization_options): New function.
5236 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5237 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5238 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5239 first; cr1 can be used for FP record condition insns.
5241 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5243 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5246 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5249 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5251 (block_move_call): New function: Call a library routine to copy a
5253 (m32r_expand_block_move): New function: Expand a "movstrsi"
5254 pattern into a sequence of insns.
5255 (m32r_output_block_move): New function: Expand a
5256 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5257 (m32r_block_immediate_operand): New function: Return true if the
5258 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5260 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5262 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5264 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5266 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5268 * regmove.c (copy_src_to_dest): Check that modes match.
5270 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5272 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5274 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5276 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5277 narrower than FLOAT_REGS.
5279 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5281 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5283 * Makefile.in (old_gxx_include_dir): removed
5285 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5287 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5290 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5291 (sh_handle_pragma): Change function arguments to match new
5292 specification for HANDLE_PRAGMA.
5294 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5296 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5298 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5299 When generating output, initialize missing struct member to zero.
5301 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5303 * regmove.c (copy_src_to_dest): Don't copy if that requires
5304 (a) new register(s).
5306 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5308 * global.c (reg_allocno): Now static.
5309 * reload1.c (reg_allocno): Delete declaration.
5310 (order_regs_for_reload): Take no arguments. Don't treat regs
5311 allocated by global differently than those allocated by local-alloc.
5313 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5315 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5316 condition, fix format strings.
5317 (output_function_epilogue): Likewise.
5319 * m68k/m68k.c: Don't include <stdlib.h> directly.
5321 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5323 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5324 mem_first_set, mem_last_set; because 0 can be a CUID.
5325 (oprs_unchanged_p): Use new definition.
5326 (record_last_reg_set_info): Likewise.
5327 (record_last_mem_set_info): Likewise.
5328 (compute_hash_table): Likewise.
5330 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5332 * rs6000.c (output_epilogue): Handle Chill.
5334 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5335 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5337 * combine.c (make_extraction): If no mode is specified for
5338 an operand of insv, extv, or extzv, default it to word_mode.
5339 (simplify_comparison): Similarly.
5340 * expmed.c (store_bit_field): Similarly.
5341 (extract_bit_field): Similarly.
5342 * function.c (fixup_var_regs_1): Similarly.
5343 * recog.c (validate_replace_rtx_1): Similarly.
5344 * mips.md (extv, extzv, insv expanders): Default modes for most
5345 operands. Handle TARGET_64BIT.
5346 (movdi_uld, movdi_usd): New patterns.
5348 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5349 equivalent memory location unless we have been provided a scratch
5350 register. Similarly do not call find_replacement unless a
5351 scratch register has been provided.
5353 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5355 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5358 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5360 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5361 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5362 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5363 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5364 * c-decl.c (init_decl_processing): Update accordingly.
5365 * expr.c (expand_builtin): Likewise.
5367 * rtl.h (global_rtl): Add cfa entry.
5368 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5369 (LAST_VIRTUAL_REGISTER): Update.
5370 * emit-rtl.c (global_rtl): Add cfa entry.
5371 (init_emit): Initialize it.
5372 * function.c (cfa_offset): New.
5373 (instantiate_virtual_regs): Initialize it.
5374 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5375 (expand_function_end): Call expand_eh_return.
5376 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5378 * except.c (current_function_eh_stub_label): Kill.
5379 (current_function_eh_old_stub_label): Likwise; update all references.
5380 (expand_builtin_set_return_addr_reg): Kill.
5381 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5382 (expand_builtin_set_eh_regs): Kill.
5383 (eh_regs): Produce a third reg for the actual handler address.
5384 (eh_return_context, eh_return_stack_adjust): New.
5385 (eh_return_handler, eh_return_stub_label): New.
5386 (init_eh_for_function): Initialize them.
5387 (expand_builtin_eh_return, expand_eh_return): New.
5388 * except.h: Update prototypes.
5389 * flow.c (find_basic_blocks_1): Update references to the stub label.
5390 * function.h (struct function): Kill stub label elements.
5392 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5393 register number is one that would be in the previous window.
5394 Provide a dummy definition for non-windowed targets.
5395 (get_reg_addr): New function.
5396 (get_reg, put_reg, copy_reg): Use it.
5397 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5398 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5400 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5401 (alpha_init_expanders): Initialize it.
5402 (alpha_expand_epilogue): Use it.
5403 * alpha.h: Declare it.
5404 * alpha.md (eh_epilogue): New.
5406 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5407 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5409 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5411 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5414 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5416 * except.h (struct eh_entry): Add false_label field.
5417 (end_catch_handler): Add prototype.
5418 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5419 (start_catch_handler): When using old style exceptions, issue
5420 runtime typematch code before continuing with the handler.
5421 (end_catch_handler): New function, generates label after handler
5422 if needed by older style exceptions.
5423 (expand_start_all_catch): No need to check for new style exceptions.
5424 (output_exception_table_entry): Only output the first handler label
5425 for old style exceptions.
5426 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5427 mechanism into one function, if a runtime matcher is provided.
5429 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5431 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5433 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5435 * integrate.c (copy_decl_list): Fix typo.
5437 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5439 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5442 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5444 * version.c: Bump for snapshot.
5446 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5448 * version.c: Bump for snapshot.
5450 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5452 * version.c: Bump for snapshot.
5454 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5456 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5458 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5460 * configure.in: remove usage of `!' to negate the result of a
5461 command; some common shells do not support it
5463 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5465 * configure.in: in sparc9-sol2 config, use 'if test' not
5467 * configure: Rebuilt.
5469 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5471 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5472 (CPP_CPU_DEFAULT_SPEC): Likewise.
5473 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5474 for arch64 libfuncs.
5476 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5479 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5481 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5483 * collect2.c: Don't declare `sys_siglist' here.
5484 (my_strsignal): Prototype and define new function. Use it in
5485 place of `sys_siglist' hacks.
5487 * mips_tfile.c: Likewise.
5489 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5490 (GCC_NEED_DECLARATIONS): Likewise.
5492 * system.h (strsignal): Prototype it, if necessary.
5493 (sys_siglist): Declare it, if necessary.
5495 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5497 * loop.c (move_movables): While removing insn sequences, preserve
5498 the next pointer of the most recently deleted insn when we skip
5501 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5503 * objc/config-lang.in: Do not output the name of the selected
5504 thread file when building the front-end. The Makefile for the
5505 runtime library will do this.
5507 * objc/Make-lang.in: Do not build the runtime library or install
5508 the Objective C header files. The Makefile for the runtime
5509 library will do this.
5511 * objc/Makefile.in (all.indirect): Only build the front-end.
5512 (compiler): Rename to `frontend'.
5513 (obj-runtime): Remove target.
5514 (copy-headers): Likewise.
5515 (clean): No need to remove `libobjc.a' any longer.
5517 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5519 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5520 supported with -mcpu=xxx.
5522 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5524 * flow.c (mark_set_1): Recognize multi-register structure return
5525 values in CALL insns.
5526 (mark_used_regs): Likewise.
5527 (count_reg_sets_1): Likewise.
5528 (count_reg_references): Likewise.
5529 * rtlanal.c (note_stores): Likewise.
5530 (reg_overlap_mentioned_p): Likewise.
5531 * haifa-sched.c (check_live_1): Likewise.
5532 (update_live_1): Likewise.
5533 (sched_analyze_1): Likewise.
5534 (sched_note_set): Likewise.
5535 (birthing_insn_p): Likewise.
5536 (attach_deaths): Likewise.
5538 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5541 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5543 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5545 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5547 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5549 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5551 * configure.in: Add check for GAS subsection -1 support.
5552 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5553 * configure config.in: Rebuilt.
5554 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5555 SImode is subsection -1 works, else use DImode.
5556 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5557 subsection -1 works.
5558 * config/sparc/sparc.c (sparc_output_addr_vec,
5559 sparc_output_addr_diff_vec): Use them if defined.
5561 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5563 * tree.h (DECL_ORIGIN): New macro.
5564 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5565 (copy_decl_list): Use it.
5566 (integrate_parm_decls): Likewise.
5567 (integrate_decl_tree): Likewise.
5568 * dwarf2out.c (decl_ultimate_origin): Simplify.
5569 * dwarfout.c (decl_ultimate_origin): Likewise.
5570 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5571 (pushdecl): Likewise.
5573 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5575 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5577 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5579 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5581 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5583 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5584 empty or has a single entry.
5586 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5587 before calling reg_to_stack.
5589 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5591 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5592 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5594 * c-tree.h (warn_long_long): Declare it.
5596 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5598 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5599 initialized float-int union if the value is a NaN.
5601 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5603 * c-lex.c (real_yylex): Don't warn about long long constants if
5604 we're allowing long long
5606 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5608 * except.h (current_function_eh_stub_label): Declare.
5609 (current_function_eh_old_stub_label): Declare.
5610 * function.h (struct function): New members eh_stub_label and
5612 * except.c (current_function_eh_stub_label): New variable.
5613 (current_function_eh_old_stub_label): New variable.
5614 (init_eh_for_function): Clear them.
5615 (save_eh_status): Save them.
5616 (restore_eh_status): Restore them.
5617 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5618 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5619 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5620 make an edge from the block that contains it to the block starting
5621 with the label if this label is one of the eh stub labels.
5622 If eh stub labels exist, show they are reachable from the last block
5625 * reload1.c (reload): Break out several subroutines and make some
5627 (calculate_needs_all_insns): New function, broken out of reload.
5628 (calculate_needs): Likewise.
5629 (find_reload_regs): Likewise.
5630 (find_group): Likewise.
5631 (find_tworeg_group): Likewise.
5632 (something_needs_reloads): New global variable, formerly in reload.
5633 (something_needs_elimination): Likewise.
5634 (caller_save_spill_class): Likewise.
5635 (caller_save_group_size): Likewise.
5636 (max_needs): Likewise.
5637 (group_size): Likewise.
5638 (max_groups): Likewise.
5639 (max_nongroups): Likewise.
5640 (group_mode): Likewise.
5641 (max_needs_insn): Likewise.
5642 (max_groups_insn): Likewise.
5643 (max_nongroups_insn): Likewise.
5644 (failure): Likewise.
5646 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5648 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5650 * loop.c (load_mems): Copy rtx for output mem.
5652 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5654 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5655 mips1 or mips2 either.
5657 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5659 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5661 (pa_adjust_insn_length): Update to work with new marking scheme
5662 for jumps inside switch tables.
5663 * pa.md (switch_jump): Remove pattern.
5664 (jump): Handle jumps inside jump tables.
5666 * Makefile.in (profile.o): Depend on insn-config.h
5668 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5670 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5672 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5674 Add preliminary native sparcv9 Solaris support.
5675 * configure.in: Recognize sparv9-*-solaris2*
5676 * configure: rebuilt
5677 * config.sub: Recognize sparcv9 just like sparc64.
5678 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5679 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5680 32-bit and 64-bit Solaris systems.
5681 * config/sparc/t-sol2: Assemble those with cpp.
5682 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5683 (*TF*_LIBCALL): If ARCH64 use V9 names.
5684 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5686 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5688 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5689 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5691 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5693 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5694 to Pmode if CASE_VECTOR_MODE is something else.
5696 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5698 * prefix.c (update_path): Correctly handle cases where PATH is
5699 a substring of the builtin prefix, but specifies a different
5702 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5704 * expr.c: Corrected comment about what MOVE_RATIO does.
5705 * config/alpha/alpha.h: Ditto.
5706 * config/1750a/1750a.h: Ditto.
5707 * config/clipper/clipper.h: Ditto.
5708 * config/i386/i386.h: Ditto.
5710 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5712 * configure.in (m68k-next-nextstep3*): Use collect2.
5713 Similarly for x86 NeXT configurations.
5714 * configure: Rebuilt.
5716 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5718 * configure.in: Don't assume srcdir is .../gcc
5719 * configure: Rebuilt.
5721 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5723 * global.c: Update comments.
5724 (global_alloc): Assign allocation-numbers
5725 even for registers allocated by local_alloc in case
5726 they are later spilled and retry_global_alloc is called.
5727 (mark_reg_store, mark_reg_clobber,
5728 mark_reg_conflicts, mark_reg_death): Always record a
5729 conflict with a pseudo register even if it has been
5730 assigned to a hard register.
5731 (dump_conflicts): Don't list pseudo registers already assigned to
5732 a hard register as needing to be allocated, but do list their
5734 * local-alloc.c: Update comment.
5736 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5738 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5739 * configure: Rebuilt.
5741 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5743 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5745 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5746 for all targets that set -msoft-float.
5748 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5750 * toplev.c (print_switch_values): Make static to match prototype.
5752 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5754 * configure.in: If we are unable to find the "gnatbind" program,
5755 then do not configure the ada subdir.
5756 * configure: Rebuilt.
5758 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5760 * version.c: Bump for snapshot.
5762 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5764 * version.c: Bump for snapshot.
5766 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5768 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5769 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5771 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5773 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5775 * genextract.c: Have insn-extract.c include toplev.h.
5777 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5779 * toplev.c: Include expr.h.
5780 (really_sorry, fancy_abort): Remove prototypes.
5781 (set_target_switch): Add argument in prototype.
5782 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5783 (v_really_sorry): Likewise.
5784 (print_version, print_single_switch, print_switch_values): Make
5785 static and add prototype arguments.
5786 (decl_printable_name): Add prototype arguments.
5787 (lang_expand_expr_t): New typedef.
5788 (lang_expand_expr): Declare as a lang_expand_expr_t.
5789 (incomplete_decl_finalize_hook): Add prototype argument.
5790 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5791 (botch): Likewise for variable `s'.
5792 (rest_of_type_compilation): Mark variables `type' and `toplev'
5793 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5794 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5795 (display_help): Make variable `i' an `unsigned long'.
5796 (main): Remove unused parameter `envp'.
5797 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5798 Cast -1 when comparing it with a `size_t'.
5800 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5801 prototype with ATTRIBUTE_NORETURN.
5802 (fatal_insn_not_found, fatal_insn, really_sorry,
5803 push_float_handler, pop_float_handler): Add prototypes.
5804 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5805 (do_abort, botch): Add prototypes.
5807 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5809 * final.c (final): If a label is reached only from a single jump,
5810 call NOTICE_UPDATE_CC on the jump and its predecessor before
5811 emitting the insn after the label.
5813 * i386.h: Add AMD K6 support.
5814 Change TARGET_* macros to use table lookup.
5815 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5816 (ADJUST_COST): Change definition to call function in i386.c.
5817 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5818 * i386.c: Add AMD K6 support.
5819 Add constants for feature tests used by TARGET_* macros.
5820 (split_di): If before reload, call gen_lowpart and gen_highpart.
5821 (x86_adjust_cost): New function.
5822 (put_jump_code): New function.
5823 (print_operand): New codes 'D' and 'd'.
5824 * i386.md: New insn types. New insn attribute "memory".
5825 Redefine scheduling parameters to use new types and add AMD K6
5826 support. Explicitly set type of most insns.
5827 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5828 Pro and K6 prefer movl $1,reg to incl reg.
5829 (adddi3, subdi3): Set cc_status.
5830 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5831 to int; x86 can't have more than 2^31 DImode shifts per file.
5832 (setcc): Combine all setcc patterns. Allow writing memory.
5833 Combine all jump patterns using match_operator.
5834 (*bzero): Name pattern. Emit mutliple stos instructions when that
5835 is faster than rep stos.
5836 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5839 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5841 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5844 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5846 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5847 not whatever we're generating now.
5849 * alpha.c (set_frame_related_p, FRP): New.
5850 (alpha_expand_prologue): Mark frame related insns.
5851 (alpha_expand_epilogue): Likewise, but with a null FRP.
5852 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5853 * alpha.md (exception_receiver): New.
5854 * alpha/crtbegin.asm (.eh_frame): New beginning.
5855 (__do_frame_setup, __do_frame_takedown): New.
5856 * alpha/crtend.asm (.eh_frame): New ending.
5857 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5858 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5859 (ASM_FILE_START): Don't emit .file for dwarf2.
5861 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5862 * rtl.c (reg_note_name): Likewise.
5863 * rtl.texi (REG_NOTES): Likewise.
5864 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5867 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5869 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5870 * i386.md (movsf, movdf, movxf): Validate memory address returned
5871 from force_const_mem. Kill useless REG_EQUAL setting code.
5873 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5875 * m68k.md (zero_extendsidi2): Fix typo.
5877 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5879 * configure.in: Removed references to the removed file
5880 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
5881 * arm*-*-netbsd* and ns32k-*-netbsd*.
5882 * config/i386/xm-netbsd.h: Removed unnecessary file.
5883 * config/m68k/xm-netbsd.h: Likewise.
5884 * config/sparc/xm-netbsd.h: Likewise.
5885 * config/mips/xm-netbsd.h: Likewise.
5887 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
5889 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
5890 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
5892 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
5893 for exact section attributions.
5895 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
5897 * i386/crtdll.h (CPP_PREDEFINES): Define.
5899 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
5901 * m68k.md (5200 movqi): Do not allow byte sized memory references
5903 * m68k.c (output_move_qimode): Do not use byte sized operations on
5906 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
5907 explicit rules for building. Similarly for alloca, vfprintf,
5908 choose-temp and mkstemp, getopt, getopt1, and obstack.
5909 (INCLUDES): Add $(srcdir)/../include.
5910 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
5911 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
5913 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
5915 * gcc.c (do_spec_1): [case 'o'] Account for
5916 lang_specific_extra_outfiles.
5917 (main): Correctly clear all slots in outfiles for
5918 lang_specific_extra_outfiles. Set input_file_number before
5919 calling lang_specific_pre_link.
5921 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
5923 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
5925 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5927 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
5929 (sparc_output_deferred_case_vectors): If no work to do, return.
5930 Fix thinko in Sept 1 change.
5932 1998-09-03 SL Baur <steve@altair.xemacs.org>
5934 * Makefile.in: add semicolon in BISON definition for portability.
5936 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5938 * config/nextstep.c (handle_pragma): Correct name of third
5941 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
5943 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
5944 * config/m32r/m32r.h: Make register 17 be fixed.
5945 * config/m32r/m32r.c: Use SImode for cc operations.
5947 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
5949 * invoke.texi (Warning Options): Add -Wnon-template-friend
5952 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
5954 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
5956 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
5958 * rs6000.md (movsf): Disable explicit secondary-reload-like
5959 functionality if TARGET_POWERPC64.
5960 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
5963 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
5965 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
5966 and term.h from fixinc.wrap.
5968 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5970 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
5971 safe to include both string.h and strings.h together.
5972 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
5973 which headers to search for function declarations. Continue to
5974 prefer string.h over strings.h when both are not acceptable.
5976 * acconfig.h (STRING_WITH_STRINGS): Add stub.
5978 * configure.in: Call GCC_HEADER_STRING.
5980 * system.h: Test STRING_WITH_STRINGS when deciding which headers
5981 to include. Continue to prefer string.h over strings.h when both
5984 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5986 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
5987 not assume top 32-bits of symbolic addresses are zero if
5990 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
5992 * ginclude/va-alpha.h: Protect entire second portion of the
5993 file against double inclusion.
5995 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
5997 Added support for the Boehm's garbage collector.
5998 * configure.in: Handle --enable-objc-gc.
5999 * configure: Rebuilt.
6000 * Makefile.in (CHECK_TARGETS): Add check-objc.
6001 (check-objc): New rule.
6002 * objc/Make-lang.in: Build a different Objective-C library that
6003 runs with the Boehm's collector.
6004 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6005 * objc/encoding.c: Correctly compute the size of compound types in
6006 the presence of bitfields. Skip the variable name of the type if
6007 any. Added support for long long.
6008 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6009 (_F_GCINVISIBLE): New mask.
6010 * objc/gc.c: New file. Compute the type memory mask associated with
6011 a class based on the runtime information.
6012 * objc/misc.c: Added the hooks that use the Boehm's collector
6013 allocation functions.
6014 * objc/objc-act.c (build_class_template): Generate a new class
6015 member (gc_object_type) to hold the class' type memory mask.
6016 (build_shared_structure_initializer): Initialize the new member to
6018 (encode_complete_bitfield): New function. Generate the new
6020 (encode_field_decl): Generate the new encoding only for the GNU
6022 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6024 (class_get_gc_object_type): New function to mark a pointer instance
6025 variable as a weak pointer.
6026 * objc/objc-features.texi: New file.
6027 * objc/objc.h (gc_object_type): New class member.
6028 * objc/objects.c (class_create_instance): Create a typed memory
6029 object when compiled with Boehm's collector support.
6030 * objc/sendmsg.c (__objc_init_install_dtable): Call
6031 __objc_send_initialize instead of setting the initialize flag.
6032 (__objc_send_initialize): Call __objc_generate_gc_type_description
6033 to generate the class type memory mask. Rewrite the code that
6034 sends the +initialize so that it is called only once (bug report
6035 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6036 * testsuite/objc: New testsuite for Objective-C type encoding.
6037 * testsuite/lib/objc-torture.exp: New file.
6038 * testsuite/lib/objc.exp: New file.
6040 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6042 * jump.c (jump_optimize): In if/then/else transformations, add
6043 another call to modified_between_p for the jump insn.
6045 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6047 * fix-header.c (symlink): Treat like readlink.
6049 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6051 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6054 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6056 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6057 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6058 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6060 * config/nextstep.c (handle_pragma): Take three arguments, as per
6061 the new HANDLE_PRAGMA macro specification.
6062 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6063 per the new HANDLE_PRAGMA macro specification.
6064 * config/i960/i960.c (process_pragma): Take three arguments, as
6065 per the new HANDLE_PRAGMA macro specification.
6067 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6069 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6070 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6071 if unknown pragmas are encountered.
6072 (handle_sysv_pragma): Interpret return code from
6073 handle_pragma_token (). Return success/failure indication rather
6074 than next unprocessed character.
6075 (pragma_getc): New function: retrieves characters from the
6076 input stream. Defined when HANDLE_PRAGMA is enabled.
6077 (pragma_ungetc): New function: replaces characters back into the
6078 input stream. Defined when HANDLE_PRAGMA is enabled.
6080 * c-pragma.c (handle_pragma_token): Return success/failure status
6083 * c-pragma.h: Change prototype of handle_pragma_token().
6085 * varasm.c: (handle_pragma_weak): Only create this function if
6086 HANDLE_PRAGMA_WEAK is defined.
6088 * c-common,c (decl_attributes): If defined call the expression
6089 contained within the INSERT_ATTRIBUTES macro before adding
6090 attributes to a decl.
6092 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6093 HANDLE_PRAGMA, which takes three arguments.
6094 (INSERT_ATTRIBUTES): Document this new macro.
6096 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6097 new INSERT_ATTRIBUTES macro.
6099 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6101 * config/sparc/sparc.md (movdf): Only generate special RTL for
6102 LABEL_REFs when PIC.
6103 (move_label_di): Remove
6104 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6105 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6106 references when PIC.
6107 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6108 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6109 output an .xword for all 64-bit cases.
6111 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6113 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6114 alignment, use FUNCTION_BOUNDARY instead.
6115 (sparc_output_deferred_case_vectors): Likewise.
6117 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6119 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6120 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6122 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6124 * alpha/va_list.h: New file.
6125 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6127 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6129 * NEWS: Add SCO Openserver and Unixware 7 notes.
6133 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6135 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6136 (record_constant_1): Handle RANGE_EXPR.
6138 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6140 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6141 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6142 and NOTE_INSN_RANGE_END specially.
6143 (reemit_notes): Likewise.
6145 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6147 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6148 (ultrasparc_sched_init): Remove unneeded &.
6150 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6152 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6153 for m68020-60, to prevent the use of fintrz.
6155 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6157 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6159 * Makefile.in: Likewise.
6160 * configure: Regenerated.
6162 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6164 * configure.in (gxx_include_dir): Changed to
6165 '${prefix}/include/g++'-${libstdcxx_interface}.
6166 * configure: Rebuilt.
6168 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6170 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6172 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6173 *sequences* *below* which scalar moves will be used.
6175 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6177 * collect2.c (mktemp): Delete unused declaration.
6179 * config/xm-netbsd.h: Remove unnecessary file.
6180 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6181 file anymore, it is not needed.
6183 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6185 * convert.c (convert_to_integer): Issue an error on conversions to
6188 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6190 * Makefile.in: Add lang_tree_files and gencheck.h.
6191 * configure.in: Generate them.
6192 * gencheck.c: Include gencheck.h.
6194 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6196 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6197 movdi_lo_sum_pic and movdi_high_pic and make visible.
6198 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6199 emit these when Pmode is not SImode.
6200 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6202 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6204 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6205 .linkonce directive after the first time.
6207 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6209 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6210 the clobbered operand overlaps with an input.
6211 (bne0_di): Similarly.
6213 * Makefile.in (INSTALL): Remove "--no-header" argument.
6215 * NEWS: Various updates.
6217 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6219 * config/sparc/sparc.c (arith_operand, const64_operand,
6220 const64_high_operand, arith_double_4096_operand): Mark mode as
6222 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6224 (sparc_emit_set_const64): Remove unused variable i.
6225 (sparc_splitdi_legitimate): Likewise for addr_part.
6226 (ultra_code_from_mask): Likewise for mask.
6227 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6228 reverse return values so it matches usage and comments.
6229 (ultra_flush_pipeline): Likewise.
6230 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6231 this_type, and allow loads and stores of differing FP modes as
6232 they do not create a conflict.
6233 (ultra_find_type): Initialize fpmode to SFmode, fix
6234 parenthesization thinkos in large conditional.
6235 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6236 Init free_slot_mask after ultra_cur_hist is reset, not before.
6237 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6238 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6239 use ultra_flush_pipeline instead, then re-init group pointer.
6240 Fix statement with no effect. If no progress made in, and no
6241 instructions scheduled at all, advance to new pipeline cycle else
6242 we get into an endless loop.
6243 (ultrasparc_adjust_cost): Remove previous arg.
6244 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6246 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6248 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6249 code. Use reg_overlap_mentioned_p to detect when source and
6250 destination overlap.
6251 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6253 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6255 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6256 COMPARISON_VAL, into invariant_p.
6258 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6260 * regmove.c (regclass_compatible_p): New function.
6261 (regmove_optimize): Use it.
6263 Use NREGS parameter insted of calling max_reg_num.
6265 (fixup_match_1): Don't use code = MINUS when later tieing with
6266 a hard register is likely.
6268 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6270 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6271 COMPARISON_VAL was normalized.
6273 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6275 * loop.c (check_dbra_loop): The loop ending comparison value
6276 must be an invariant or we can not reverse the loop.
6278 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6279 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6281 (load_mems_and_recount_loop_regs_set): Likewise.
6283 * i386.c (print_operand): Remove obsolete 'c' docs.
6285 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6287 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6288 * frame.c (init_object_mutex): New function.
6289 (init_object_mutex_once): Likewise.
6290 (find_fde): Call it.
6291 (__register_frame_info): Likewise.
6292 (__register_frame_info_table): Likewise.
6293 (__deregister_frame_info): Likewise.
6295 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6297 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6299 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6301 * loop.c (check_dbra_loop): Enable code for reversal
6302 of some loops without a known constant loop end.
6304 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6306 * haifa-sched.c (last_clock_var): New.
6307 (schedule_block): Initialize it.
6308 (schedule_insn): Use it to fill insn modes with issue information.
6310 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6311 Tag trapb and next insn with TImode.
6312 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6313 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6314 Invoke alphaev5_align_insns as appropriate.
6315 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6316 (MD_SCHED_VARIABLE_ISSUE): New.
6317 * alpha.md (attr type): Add multi.
6318 (define_asm_attributes): New.
6319 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6320 (arg_home): Likewise.
6321 (fnop, unop, realign): New.
6323 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6325 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6326 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6328 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6329 (rs6000-ibm-aix4.[12]*): Likewise.
6330 * configure: Regnerate.
6332 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6334 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6335 already contains the return address.
6337 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6339 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6340 word sized hunks when loading unaligned args into registers.
6342 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6343 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6345 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6347 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6349 * loop.c (check_dbra_loop): Add some code that would allow reversal
6350 of some loops without a known constant loop end if it were enabled.
6352 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6354 * mips.md (lshrsi3_internal2+2): Fix type-o.
6356 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6358 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6359 correctly with regards to stdio.h.
6361 * calls.c: Remove stdarg.h/varargs.h.
6364 * combine.c: Likewise.
6365 * cpperror.c: Likewise.
6366 * cpplib.c: Likewise.
6367 * cpplib.h: Likewise.
6368 * doprint.c: Likewise.
6369 * emit-rtl.c: Likewise.
6370 * final.c: Likewise.
6371 * fix-header.c: Likewise.
6373 * genattr.c: Likewise.
6374 * genattrtab.c: Likewise.
6375 * gencodes.c: Likewise.
6376 * genconfig.c: Likewise.
6377 * genemit.c: Likewise.
6378 * genextract.c: Likewise.
6379 * genflags.c: Likewise.
6380 * genopinit.c: Likewise.
6381 * genoutput.c: Likewise.
6382 * genpeep.c: Likewise.
6383 * genrecog.c: Likewise.
6384 * mips-tfile.c: Likewise.
6385 * prefix.c: Likewise.
6386 * protoize.c: Likewise.
6387 * regmove.c: Likewise.
6388 * toplev.c: Likewise.
6391 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6393 * config/sparc/sparc.c (sparc_override_options): If not
6394 TARGET_FPU, turn off TARGET_VIS.
6395 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6396 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6397 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6398 (movdi_insn_sp64): Add VIS fzero alternative.
6399 (clear_sf, clear_df): New VIS patterns.
6400 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6402 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6404 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6406 * loop.c (n_times_set, n_times_used, may_not_optimize,
6407 reg_single_usage): Convert to varrays. All uses changed.
6408 (insert_loop_mem): Return a value.
6409 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6410 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6413 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6416 * configure.in: Do not set thread_file to "irix" since no such
6419 * sparc.md (float abs/neg splits): Check reload_completed before
6420 calling alter_subreg.
6422 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6424 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6426 * config/sparc/sparc.h: Declare it.
6427 * config/sparc/sparc.md (float abs/neg splits): Use it.
6428 (all other splits): Handle SUBREGs properly where necessary.
6429 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6431 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6433 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6434 an insn on the unfilled_slots_list that has no delay slots.
6435 (fill_eager_delay_slots): Similarly.
6437 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6439 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6440 as an ordinary operand.
6442 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6444 * tree.c (valid_machine_attribute): Don't apply attributes to both
6447 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6449 * reload.c (operands_match_p): Handle rtvecs.
6451 * i386.c (legitimate_pic_address_disp_p): New.
6452 (legitimate_address_p): Use it.
6453 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6454 Handle constant pool symbols just like statics.
6455 (emit_pic_move): Use Pmode not SImode for clarity.
6456 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6457 [UNSPEC]: New, handling what we killed above.
6458 [PLUS]: Detect and abort on invalid symbol arithmetic.
6459 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6461 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6463 * alias.c: Include output.h.
6464 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6465 different if we're in a varargs function.
6466 * Makefile.in (alias.o): Depend on output.h
6468 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6470 * sh.h (GIV_SORT_CRITERION): Delete.
6472 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6474 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6475 * stupid.c (stupid_life_analysis): Ditto.
6476 * reload1.c (reload): Ditto.
6478 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6480 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6481 arith_double_4096_operand, arith_double_add_operand): New
6483 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6484 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6485 them to transform add/sub 4096 into add/sub -4096.
6487 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6489 * loop.c (scan_loop): Allocate some slop to handle pseudos
6490 generated by move_movables.
6491 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6494 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6496 * tree.def (DECL_RESULT): Correct documentation.
6498 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6500 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6501 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6502 conflicts will all RELOAD_FOR_OUTPUT reloads.
6504 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6505 loads the function result, substitute with a USE.
6507 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6509 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6510 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6511 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6512 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6513 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6514 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6516 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6517 'o' to 'm' for GPR variant constraints.
6519 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6521 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6523 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6525 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6526 when the source and destination overlap.
6528 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6529 clash with global type.
6531 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6533 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6535 * c-common.c (combine_strings): Also set TREE_READONLY.
6536 Change warn_write_strings to flag_const_strings.
6537 * c-decl.c, c-tree.h: Likewise.
6539 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6541 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6542 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6543 sequence, use SET/IOR instead so CSE can see it.
6544 * config/sparc/sparc.md (movhi_const64_special,
6545 movsi_const64_special): New patterns necessitated by that change.
6546 (movhi_high): Remove.
6547 (movhi_lo_sum): Change to match an IOR.
6548 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6549 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6550 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6551 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6552 registers are involved.
6553 (snesi_zero_extend split): Remove reload_completed test.
6554 (unnamed plus and minus zero_extend sidi splits): Add it.
6556 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6558 * extend.texi: Remove description of extension to explicit
6559 instantiation that is now endorsed by standard C++.
6561 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6563 * config/arc/arc.c (arc_initialize_pic): Remove.
6564 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6565 nothing on any platform and is invoked by no-one, it does not even
6566 appear in the documentation.
6567 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6568 * config/sparc/sparc.c (initialize_pic): Likewise.
6569 (find_addr_reg): Remove this as well, no longer referenced after
6572 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6574 * recog.c (validate_replace_rtx_group): New function.
6575 * recog.h (validate_replace_rtx_group): Declare it.
6576 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6577 the entire group of substitutions.
6579 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6581 * loop.c (load_mems): Fix initializers.
6583 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6585 * config/sparc/sparc.md (TFmode splits): Handle destination
6586 registers being referenced in the address correctly.
6588 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6589 TREE_UNSIGNED, when bitsize of type's mode is larger than
6590 HOST_BITS_PER_WIDE_INT.
6592 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6594 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6595 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6596 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6598 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6601 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6603 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6604 * h8300.h (TINY_DATA_NAME_P): Likewise.
6605 (STRIP_NAME_ENCODING): Handle '&'.
6607 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6608 register (it could be accessed via an outer SUBREG).
6609 (REG_OK_FOR_BASE_P): Likewwise.
6610 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6612 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6615 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6617 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6619 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6620 must be offsettable so the splits can be made.
6622 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6624 * config/i386/winnt.c: Include system.h, not stdio.h to get
6625 sys/param.h pulled in before rtl.h in case the system defines MIN
6628 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6630 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6632 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6634 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6636 * cpplib.c (cpp_define): Handle macros with parameters.
6638 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6640 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6641 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6642 and DImode 64-bit. Use llong for minimal-toc SFmode and
6643 SYMBOL_REF / LABEL_REF 64-bit.
6644 (output_function_profiler): Use llong for profiler label and ld to
6645 load 64-bit label address.
6647 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6649 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6652 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6654 * version.c: Bump for snapshot.
6656 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6658 * version.c: Bump for snapshot.
6660 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6662 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6664 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6666 * tm.texi (Misc): Fix typo "teh".
6668 * tm.texi (PIC): Fix typo "PPIC".
6670 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6671 effect when -O2 and higher.
6672 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6674 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6676 * regclass.c: Changed register set documentation to be consistent
6679 * final.c (final_start_function) Removed redundant test for
6682 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6684 * rtl.h (rtx_function): New type.
6685 (for_each_rtx): New function.
6686 * rtlanal.c (for_each_rtx): Define it.
6688 * recog.c (change_t): New type.
6689 (change_objects, change_old_codes, change_locs, change_olds):
6691 (changes): New variable.
6692 (validate_change): Dynamically allocate room for more changes, if
6693 necessary. Uses changes array instead of change_objects, etc.
6694 (apply_change_group): Use changes array instead of
6695 change_objects, etc.
6697 * loop.c (loop_mem_info): New type.
6698 (loop_mems): New variable.
6699 (loop_mems_idx): Likewise.
6700 (looop_mems_allocated): Likewise.
6701 (scan_loop): Remove nregs parameter.
6702 (next_insn_in_loop): New function.
6703 (load_mems_and_recount_loop_regs_set): Likewise.
6704 (load_mems): Likewise.
6705 (insert_loop_mem): Likewise.
6706 (replace_loop_mem): Likewise.
6707 (replace_label): Likewise.
6708 (INSN_IN_RANGE_P): New macro.
6709 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6710 (scan_loop): Remove nregs parameter, compute it after any new
6711 registers are created by load_mems. Use INSN_IN_RANGE_P and
6712 next_insn_in_loop rather than expanding them inline. Call
6713 load_mems to load memory into pseudos, if appropriate.
6714 (prescan_loop): Figure out whether or not there are jumps from the
6715 loop to targets other than the label immediately following the
6716 loop. Call insert_loop_mem to notice all the MEMs used in the
6717 loop, if it could be safe to pull MEMs into REGs for the duration
6719 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6721 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6723 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6725 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6727 * config/sparc/sparc.c (finalize_pic): Check for the correct
6728 nonlocal_goto_receiver UNSPEC number.
6729 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6730 making note of this dependency existing in sparc.c
6731 (negtf2_notv9 split): Give NEG SFmode.
6732 (negsf2): Fix insn output string.
6734 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6736 * c-common.c (decl_attributes): Issue an error if the argument
6737 to alias is not a string.
6739 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6741 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6742 pending memory flush list.
6744 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6746 (try_combine): Allow combining insns with REG_LIBCALL notes.
6748 * expr.c (emit_block_move): Do not call memcpy as a libcall
6749 instead build up a CALL_EXPR and call it like any other
6751 (clear_storage): Similarly for memset.
6753 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6756 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6759 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6760 and REG_LIVE_LENGTH as successful substitutions are made.
6762 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6764 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6765 statement after end of loop label.
6767 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6769 * config/sparc/sparc.c (ultra_types_avail): New variable.
6770 (ultra_build_types_avail): New function to record mask of insn
6771 types in ready list at this cycle.
6772 (ultrasparc_sched_reorder): Call it.
6773 (ultra_find_type): Use it to quicken the search. Also simplif
6774 dependency check, don't use rtx_equal_p because we know exactly
6775 what we are looking for.
6777 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6779 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6780 for architecture v4.
6782 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6784 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6786 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6787 movdf_const_intreg and helper splits): New patterns to move float
6788 constants into integer registers.
6789 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6792 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6795 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6797 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6799 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6800 a BASE_REGS register is needed as an intermediate when copying
6801 a symbolic value into any register class other than BASE_REGS.
6803 * expr.c (move_by_pieces): No longer static. Remove prototype.
6804 * rtl.h (move_by_pieces): Add extern prototype.
6805 * mips.c (expand_block_move): Handle aligned straight line copy by
6806 calling move_by_pieces.
6808 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6811 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6813 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6814 jumps out of the loop to be treated as part of the exit test.
6816 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6817 Jeff Law <law@cygnus.com>
6819 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6820 * cplus-dem.c: Delete.
6822 * Makefile.in (fold-const.o): depend on $(RTL_H).
6824 * fold-const.c: Include rtl.h to get the prototype for
6825 `set_identifier_local_value'.
6827 * loop.c (express_from_1): Remove unused variable `tmp'.
6828 (combine_givs): cast the first argument of bzero to char *.
6830 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6832 * c-decl.c (init_decl_processing): Remove unneeded &.
6834 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6836 * except.c (set_exception_lang_code, set_exception_version_code):
6837 Change parameter from `short' to `int' to avoid using a gcc
6840 * except.h (set_exception_lang_code, set_exception_version_code):
6841 Likewise for prototypes.
6843 * flow.c (count_reg_references): Remove unused variables `regno'
6846 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6848 * prefix.c (translate_name): Cast the result of `alloca'.
6850 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6852 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6854 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6856 (valid_dbcc_comparison_p): Mark mode argument as unused.
6857 (symbolic_operand): Likewise.
6858 (legitimize_pic_address): Likewise.
6859 (const_uint32_operand): Likewise.
6860 (const_sint32_operand): Likewise.
6861 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6862 schedule_insns and comment out rest of file.
6864 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6866 (output_move_[hq]imode): Likewise.
6868 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6870 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6871 * invoke.texi: Corresponding changes.
6873 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6875 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6877 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6879 * config/sparc/sparc.c (ultra_code_from_mask,
6880 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
6881 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
6882 ultrasparc_sched_init, ultrasparc_variable_issue,
6883 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
6884 functions to describe UltraSPARC pipeline exactly to Haifa.
6885 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
6886 as there is nothing the scheduler can do about it. Indicate that
6887 REG_DEP_OUTPUT's collide. Fixup formatting.
6888 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
6889 divide costs on Ultra for DImode.
6890 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
6892 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
6893 ieuN and add call_no_delay_slot to type list.
6894 (cti function unit): New unit for branches on UltraSPARC.
6895 (subx/addx insns): Set type to misc.
6896 (sidi zero/sign extension insns on arch64): Set type to shift.
6897 (sign_extendhidi2_insn): Set type to sload.
6899 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
6901 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
6902 (output_epilog): Use if != 0 for offset.
6903 (rs6000_fatal_bad_address): Prepare for Intl.
6904 * rs6000.h (rs6000_fatal_bad_address): Declare.
6905 * rs6000.md (movsfcc, movdfcc): Use else if.
6906 (elf_high): Use {liu|lis}.
6907 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
6908 (movsi): Use rs6000_fatal_bad_address.
6910 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
6912 * reload.c (find_equiv_reg): Reject equivalences separated
6913 by a volatile instruction.
6915 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6917 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
6919 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
6921 * alpha.md (movsicc): Fix mode mismatch.
6923 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
6925 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
6927 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
6929 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6931 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
6932 write-only modifier from operand 1 constraint.
6934 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6936 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
6937 emitting a XOR of -1 at the end, emit a NOT instead for combine's
6939 (sparc_emit_set_const64): Likewise, also when computing trailing
6940 bits do not negate low_bits and make fast_int an int.
6942 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
6944 * loop.c (add_label_notes): Do not ignore references to labels
6945 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
6946 * gcse.c (add_label_notes): Similarly.
6948 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
6950 * m68k.md (adddi_dilshr32): One of the operands must be a register.
6951 (adddi_dishl32): Similarly.
6953 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
6955 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
6956 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
6957 * cse.c (cse_basic_block): Add parens to shut up warnings.
6959 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6961 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
6962 sparc_emit_set_const64_longway, const64_is_2insns,
6963 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
6964 in 64-bit constant formation.
6965 * config/sparc/sparc.md (snesi_zero_extend split): Generate
6966 rtl for addx not subx.
6967 (define_insn movdi_const64_special): Make available even when
6968 HOST_BITS_PER_WIDE_INT is not 64.
6969 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
6970 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
6971 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
6972 instances of operand 1 inside a QI subreg.
6973 (xordi3_sp64_dbl): Remove '%' constraint for op1.
6974 (one_cmpldi2_sp64): Fix output string.
6975 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
6977 (unnamed arch64 ashift DI): Truncate shift count if greater than
6980 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6982 * expr.c (store_expr): Don't optimize away load-store pair
6983 when either source or destination have a side effect.
6985 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
6987 * genrecog.c (add_to_sequence): Fatal error if the modes of the
6988 operands of SET are incompatible.
6990 * alpha.md: Fix max and min patterns so modes of SET operands match.
6992 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
6994 * configure.in: Avoid [[ by using test and changequote.
6995 * configure: Rebuild.
6997 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6999 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7001 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7002 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7003 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7004 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7005 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7006 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7007 Fix mismatching modes in SET operands.
7008 (conditional move patterns): Fix formatting.
7009 (unnamed subx arch64 pattern): Remove duplicate insn.
7011 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7013 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7014 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7015 (input_operand): Fixup test for what we accept for constant
7017 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7019 (safe_constDI): Remove.
7020 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7021 gen_safe_XOR64): New functions.
7022 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7023 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7025 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7026 available when HOST_BITS_PER_WIDE_INT is not 64.
7027 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7028 move before movdi_insn_sp64 pattern.
7029 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7030 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7031 symbolic_operand as predicate for second operand.
7032 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7033 expander): Give set VOIDmode.
7035 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7037 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7039 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7041 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7043 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7045 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7047 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7049 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7051 * install.texi: Various SCO OpenServer tweaks.
7053 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7055 * reload1.c (eliminate_regs_in_insn): Handle another case when
7056 eliminating the frame pointer to the hard frame pointer. Add
7057 missing ep->to_rtx check to one existing case.
7059 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7061 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7063 * tree.h: De-conditionalize init_priority code.
7065 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7066 * collect2.c (NM_FLAGS): Change from -p to -n.
7068 * configure.in: Turn on collect2 for mipstx39-elf.
7069 Handle use_collect2=no properly.
7071 * c-common.c: De-conditionalize init_priority code.
7072 * collect2.c (extract_init_priority, sort_ids): New fns.
7073 (main): Call sort_ids.
7074 Move sequence_number to file scope.
7076 * configure.in: Handle --enable-init-priority.
7077 * c-common.c (attrs): Add A_INIT_PRIORITY.
7078 (init_attributes, decl_attributes): Likewise.
7079 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7080 * tree.c (get_file_function_name_long): Split out...
7081 (get_file_function_name): ...from here.
7083 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7085 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7088 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7090 * toplev.c (display_help): Add braces to shut up warnings.
7091 * tree.c (simple_cst_equal): Likewise.
7093 * fold-const.c (non_lvalue): Don't deal with null pointer
7095 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7097 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7098 of any size to a pointer.
7100 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7102 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7104 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7106 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7107 which will be saved.
7108 * mn10300.md (prologue insn): Only save registers which need saving.
7109 (epilogue insn): Similarly.
7111 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7114 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7116 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7117 VAR_DECL's in gp addressable sections.
7119 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7121 * sparc.c: Change return <exp> to <exp>; return; in functions
7123 * sparc.md: Add empty semicolon statement after final label in
7126 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7128 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7129 addx_extend_sp64, only allow when TARGET_ARCH64.
7130 (define_insn addx_extend_sp32 and split): Version that works when
7132 (define_insn subx_extend): Likewise.
7133 (define_split adddi3 and subdi3 with zero extension): Fixup and
7134 correct bugs when not TARGET_ARCH64.
7136 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7138 * except.c (set_exception_lang_code, set_exception_version_code):
7139 Use prototype-style definition if __STDC__, to match declaration
7142 * genemit.c: Change FAIL and DONE macros not to use loops.
7144 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7146 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7147 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7149 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7151 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7153 * README.g77: Update from Craig.
7155 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7157 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7159 (safe_constDI sparc_emit_set_const64_quick1,
7160 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7161 analyze_64bit_constant, const64_is_2insns,
7162 create_simple_focus_bits): Fix some bugs when compiled on real
7164 (function_arg_record_value_3, function_arg_record_value_2,
7165 function_arg_record_value): Add fully prototyped forward decls.
7166 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7167 to cmpsi_insn and use on both 64 and 32 bit targets.
7168 (define_insn cmpsi_insn_sp64): Remove.
7169 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7170 (define_insn zero_extendsidi2_insn): Rename to
7171 zero_extendsidi2_insn_sp64.
7172 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7173 assosciated forced split for it.
7175 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7177 * config/sparc/sparc.h: Declare them.
7178 (PREDICATE_CODES): Add them.
7179 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7180 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7182 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7184 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7185 in v9 case as the latter makes the Solaris assembler crash.
7187 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7189 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7190 for TFmode when !v9. We require offsettable memory addresses.
7191 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7192 DFmode register number conversions.
7193 * config/sparc/sparc.md (define_split DFmode moves): If register
7194 is a SUBREG do alter_subreg on it before using.
7195 (define_expand movtf): Fixup comment about alignment on v9.
7196 (define_split TFmode moves): Don't use gen_{high,low}part, create
7197 explicit SUBREGs instead.
7199 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7201 * Makefile.in (mbchar.o): Depend on mbchar.c.
7203 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7204 Richard Henderson <rth@cygnus.com>
7206 Rewrite Sparc backend for better code generation and
7207 improved sparc64 support.
7208 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7210 * config/sparc/sysv4.h: Likewise.
7211 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7212 move_operand, v8plus_regcmp_op, emit_move_sequence,
7213 singlemove_string, doublemove_string, mem_aligned_8,
7214 output_move_double, output_move_quad, output_fp_move_double,
7215 move_quad_direction, output_fp_move_quad, output_scc_insn):
7217 (small_int_or_double): New predicate.
7218 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7219 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7220 old pic_{sethi,lo_sum}_si patterns.
7221 (mem_min_alignment): New generic function to replace
7222 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7223 available and can test for arbitrary alignments. All callers
7225 (save_regs, restore_regs, build_big_number,
7226 output_function_prologue, output_cbranch, output_return,
7227 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7228 sparc_flat_output_function_epilogue): Prettify
7230 (output_function_epilogue): Likewise and add code to output
7231 deferred case vectors.
7232 (output_v9branch): Likewise, add new arg INSN and use it to tack
7233 on branch prediction settings. All callers changed.
7234 (print_operand): Likewise and output %l44 for LO_SUMs when
7236 (sparc_splitdi_legitimate): New function to make sure DImode
7237 splits can be run properly when !arch64.
7238 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7239 Reformat example code in comments.
7240 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7241 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7242 of deferred case vectors we need to output.
7243 (sparc_defer_case_vector): Record a case vector.
7244 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7245 sparc_output_deferred_case_vectors): New functions to output them.
7246 (sparc_emit_set_const32): New function to form 32-bit constants in
7247 registers when that requires more than one instruction.
7248 (safe_constDI, sparc_emit_set_const64_quick1,
7249 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7250 analyze_64bit_constant, const64_is_2insns,
7251 create_simple_focus_bits, sparc_emit_set_const64): New functions
7252 which do the same for 64-bit constants when arch64.
7253 (sparc_emit_set_symbolic_const64): New function to emit address
7254 loading for all code models on v9.
7255 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7256 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7257 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7258 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7259 inaccuracies in comments, add symbolic and text_segment operands
7260 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7261 GENERAL_REGS in these cases as a temp REG is needed to load these
7262 addresses into a register properly.
7263 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7265 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7266 quads are guarenteed to have 16-byte alignment.
7267 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7268 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7269 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7270 deferred case vector implementation.
7271 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7272 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7273 Generate "internal label - label" instead of "label - 1b".
7274 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7275 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7276 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7278 (doublemove_string, output_block_move, output_fp_move_double,
7279 output_fp_move_quad, output_move_double, output_move_quad,
7280 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7281 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7282 (sparc_emit_set_const32, sparc_emit_set_const64,
7283 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7284 mem_min_alignment, small_int_or_double): Add externs.
7285 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7286 UNSPEC_VOLATILE in this backend.
7287 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7288 unary to types which execute in it.
7289 (define_function_unit ieu_shift): Rename to ieu0.
7290 (define_function_unit ieu1): New, executes compare, call, and
7291 uncond_branch type insns.
7292 (define_function_units for type fdivs, fdivd, fsqrt): These
7293 execute in the fpu multiply unit not the adder on UltraSparc.
7294 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7295 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7296 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7297 allows the arith_double_operand predicate and rHI constraint when
7299 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7300 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7301 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7302 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7303 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7304 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7305 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7306 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7307 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7308 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7309 sign_extendqihi2_insn, sign_extendqisi2_insn,
7310 sign_extendqidi2_insn, sign_extendhidi2_insn,
7311 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7312 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7313 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7314 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7315 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7316 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7317 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7318 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7319 smulsi3_highpart_v8plus, unnamed subreg mult,
7320 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7321 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7322 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7323 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7324 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7325 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7326 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7327 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7328 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7329 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7330 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7331 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7332 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7333 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7334 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7335 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7336 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7337 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7338 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7339 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7340 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7341 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7342 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7343 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7344 call_address_untyped_struct_value_sp32,
7345 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7346 call_value_symbolic_sp32, call_value_address_sp64,
7347 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7348 flush_register_windows, goto_handler_and_restore,
7349 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7350 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7351 return_addsi, return_di, return_adddi, return_sf, all call+jump
7352 peepholes, trap, unnamed trap insns): Prettify output strings.
7353 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7354 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7355 Likewise and force + implement splits for integer cases.
7356 (define_insn return_sf_no_fpu): Likewise and allow to match when
7357 no-fpu because of our subreg SFmode splits.
7358 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7359 zero_extendqidi2_insn, zero_extendhidi2_insn,
7360 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7361 input_operand for second operand.
7362 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7363 reg_or_0_operand for operand 2 so new splits can use it.
7364 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7365 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7367 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7368 CONST_DOUBLEs for operand 2.
7369 (define_insn move_label_di): Likewise and label distance
7370 optimization because it no longer works with new deferred case
7371 vector scheme. To be revisited.
7372 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7373 and allow reg_or_0_operand and J constraint for second operand.
7374 (define_insn jump): Set branch predict taken on V9.
7375 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7376 new deferred case vector scheme.
7377 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7378 (define_insn negdi2_sp32): Force + implement splits.
7379 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7380 one_cmplsi2_not_liveg0 respectively, and create expander of original
7381 names which emit special rtl for TARGET_LIVE_G0.
7382 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7383 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7384 gen_compare_reg, FAIL instead.
7385 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7386 values when trying to reverse condition codes, if they FAIL then
7388 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7389 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7390 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7391 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7392 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7393 set output string to # to indicate they are mandatory splits.
7394 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7395 pic_sethi_di, move_pic_label_si): Remove.
7396 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7397 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7399 (define_expand movsi_pic_label_ref, define_insn
7400 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7401 expander and insns to handle PIC label references and deferred
7403 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7405 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7406 Rewrite to not use emit_move_sequence, make use of new constant
7407 formation code, and new splits for all multi-insn cases.
7408 (define_insn movqi_insn): Remove sethi case, it can never happen.
7409 Use reg_or_zero_operand instead of const0_rtx explicit test,
7410 use input_operand instead of move_operand for source, and use
7411 general_operand now for dest.
7412 (define_insn movhi_insn): Similar but leave sethi case.
7413 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7414 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7415 movhi_lo_sum respectively, prettify output string.
7416 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7417 register when needed on TARGET_LIVE_G0.
7418 (define_insn movsi_insn): Use general_operand and input_operand
7419 for dest and src respectively. Simplify applicability test.
7420 Prettify output strings, and add clr alternative for J
7422 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7423 deprecated std and reg-reg DI moves): Remove and...
7424 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7425 implementation which uses forced splits for all non-single insn
7427 (define_split DI move cases on !arch64): New splits to handle all
7428 situations of 64-bit double register DImode on 32bit, and
7429 unaligned registers and memory addresses for all subtargets.
7430 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7432 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7433 input_operand for dest and src respectively, prettify output
7435 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7436 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7438 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7439 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7440 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7441 movtf_no_e_insn_sp64) Replace with new
7442 implementation which uses forced splits for all non-single insn
7444 (define_split DF move cases): New splits in similar vein to DI
7446 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7447 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7448 movdi_sp64_insn): Remove old v9 code model and constant loading
7450 (define_insn pic_lo_sum_di, pic_sethi_di,
7451 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7452 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7453 embmedany_sethi, embmedany_losum, embmedany_brsum,
7454 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7455 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7456 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7457 scheme, using unspecs, secondary reloads, and one to one sparc
7458 insn to rtl insn mapping for better scheduling and code gen.
7459 (define_expand reload_indi, reload_outdi): Reload helpers for
7460 MEDANY and EMBMEDANY symbol address loading cases which require a
7462 (define_expand movsicc): Remove v8plus_regcmp cases.
7463 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7464 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7465 cmp_diqi_trunc_set): New patterns used by some of the new scc
7467 (define_insn xordi3_sp64_dbl): New pattern used for constant
7468 formation when crossing from 32-bit targets.
7469 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7471 (define_insn addx, subx): Make visible and prettify.
7472 (define_insn adddi3_insn_sp32): Likewise and force split.
7473 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7474 64bit scc split usage.
7475 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7476 zero_extend, subdi3): Force and implement splits.
7478 * final.c (final_scan_insn): Don't output labels if target
7479 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7482 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7483 don't forget to walk inside SEQUENCESs too as these are what the
7484 delay slot scheduler will create.
7486 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7488 * alpha.md (extxl+1,+2): New patterns to work around
7491 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7493 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7494 caused bad assembly code to be generated.
7496 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7498 * netbsd.h: Fix typo.
7500 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7502 * config.sub: Fix typo.
7504 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7506 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7508 (Running Protoize): Typo: Change "ther" into "other".
7510 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7512 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7513 * m68k/netbsd.h: Likewise.
7514 * ns32k/netbsd.h: Likewise.
7515 * sparc/netbsd.h: Likewise.
7517 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7519 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7520 * ginclude/va-clipper.h (va_list): Likewise.
7522 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7524 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7525 load/store multiple instructions unless user overrides.
7527 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7529 * ns32k/netbsd.h: Fix typo.
7531 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7533 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7534 labels with .debugsym if no parallel insns.
7536 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7538 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7539 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7541 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7543 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7544 (AR_FOR_TARGET): Define.
7546 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7548 * dyn-string.h: New file.
7549 * dyn-string.c: Likewise.
7550 * Makefile.in (OBJS): Add dyn-string.o.
7551 (dwarf2out.o): Add dyn-string.h dependency.
7552 (dyn-string.o): List dependencies.
7553 * dwarf2out.c: Include dyn-string.h.
7554 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7555 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7556 prototype. Use dyn_string_append rather than strcat, throughout.
7557 (addr_to_string): Use dyn_string_t.
7559 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7561 Function entry/exit profiling instrumentation:
7562 * expr.h (profile_function_entry_libfunc,
7563 profile_function_exit_libfunc): Declare new variables.
7564 * optabs.c: Define them here.
7565 (init_optabs): Initialize them.
7566 * tree.h (struct tree_decl): New flag
7567 no_instrument_function_entry_exit.
7568 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7569 * c-decl.c (duplicate_decls): Merge it.
7570 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7571 (init_attributes): Use it for "no_instrument_function".
7572 (decl_attributes): Handle it, for functions that have not yet been
7573 compiled. Set decl flag.
7574 * flags.h (flag_instrument_function_entry_exit): Declare new
7576 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7577 (f_options): New option "instrument-functions".
7578 * function.h (struct function): New field instrument_entry_exit.
7579 * function.c (current_function_instrument_entry_exit): New
7581 (push_function_context_to, pop_function_context_from): Save and
7583 (expand_function_start): Set current_ variable, maybe emit return
7584 label and entry profile call.
7585 (expand_function_end): Maybe emit exit profile call.
7587 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7589 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7590 NON_QI_REG_P, pretend the register is SImode.
7592 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7594 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7595 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7596 manufacturer id for ns32k.
7597 * configure: Regenerated.
7598 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7599 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7600 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7601 * config/m68k/netbsd.h: Same.
7602 * config/ns32k/netbsd.h: Same.
7603 * config/sparc/netbsd.h: Same.
7605 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7607 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7608 or UNROLL_COMPLETELY loop that starts with a jump to its
7611 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7613 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7614 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7615 (print_operand, case 'B'): Don't fall through.
7616 (print_operand, case 'S'): Correct mask begin/end computation.
7617 Use HOST_BITS_PER_WIDE_INT.
7618 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7619 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7620 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7621 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7623 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7625 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7626 constraint from second alternative.
7628 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7630 * configure.in: Fix --without/--disable cases for local-prefix,
7631 gxx-include-dir and checking.
7633 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7635 * configure.in (enable_haifa): Set by default for sparc64 too.
7638 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7640 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7641 * i386/winnt.c (associated_type): New fn.
7642 (i386_pe_valid_type_attribute_p): New fn.
7643 (i386_pe_check_vtable_importexport): Remove.
7644 (i386_pe_dllexport_p): Use associated_type.
7645 (i386_pe_dllimport_p): Likewise.
7647 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7648 * i386.c (i386_valid_type_attribute_p): Also accept
7649 attributes for METHOD_TYPEs.
7651 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7653 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7655 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7657 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7659 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7660 them from generating a new base name for each occurence of
7663 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7665 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7667 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7671 * cplus-dem.c (type_kind_t): New type.
7672 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7673 on this paramter, rather than demangling the type again.
7674 (demangle_integral_value): Pass tk_integral.
7675 (demangle_template_: Pass the value returned from do_type.
7676 (do_type): Return a type_kind_t. Pass tk_integral to
7677 demangle_template_value_parm for array bounds.
7678 (demangle_fund_type): Likewise.
7680 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7682 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7685 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7687 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7689 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7691 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7693 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7696 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7698 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7699 (DEBUGGER_ARG_OFFSET): Likewise.
7701 * mn10300.md (movsf): Remove last change. Not needed.
7703 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7705 * c-lex.c (yylex): Fix boundary conditions in character literal and
7706 string literal loops.
7708 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7710 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7711 being invoked incorrectly.
7713 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7714 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7716 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7717 * configure.in: Added i[34567]86-*-win32
7718 * config.sub: Ditto.
7719 * configure: Rebuilt.
7721 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7723 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7724 the frame pointer and compiling PIC code and reload has not completed.
7726 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7729 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7731 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7733 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7735 * Makefile.in (install-info): Only try to update the info
7736 directory file if it exists in the first place.
7738 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7740 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7742 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7744 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7745 CONST_DOUBLE source.
7747 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7749 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7750 strings as the insertion of USER_LABEL_PREFIX.
7751 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7753 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7756 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7758 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7759 already defined type.
7761 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7763 * expr.c (check_max_integer_computation_mode): Allow conversions
7764 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7765 (expand_expr): Likewise.
7767 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7769 * expr.c (expand_expr): Expand RETURN_EXPR.
7771 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7773 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7775 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7777 * dwarf2out.c (output_aranges): Call stripattributes
7778 for TEXT_SECTION references.
7779 (output_line_info): Likewise.
7781 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7783 * profile.c (branch_prob): Call allocate_reg_info after outputting
7784 profile rtl in instrument_arcs.
7786 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7788 * fixinc.irix (math.h): Install wrapper instead of copying.
7790 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7792 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7793 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7794 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7795 lang_flag_0. Added documentation in the flag table.
7797 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7799 * cccp.c (do_include): Fix vax c style include handling.
7801 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7803 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7805 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7807 * fold-const.c (non_lvalue): Don't deal with null pointer
7809 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7811 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7813 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7814 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7815 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7816 (u_short_cint_operand): Same.
7817 (reg_or_cint_operand): Same.
7818 (logical_operand): Same.
7819 (input_operand): Same.
7820 (reg_or_short_operand): Use u_short_cint_operand.
7822 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7824 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7825 but keep the insns and splits. Adjust so when the ultimate destination
7826 is memory, use cvtql.
7828 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7830 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7832 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7834 * gcc.c (do_spec): Call "error" not "warning".
7836 * configure.in: Fix minor problems with gas feature detection code.
7837 * configure: Rebuilt.
7839 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7842 * gcc.c: Delete %[spec] support.
7843 (do_spec_1, case '('): Likewise.
7844 (do_spec_1, case '['): Call error.
7846 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7848 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7849 (CPP_SUBTARGET_SPEC): Default to empty string.
7850 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7851 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7852 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7853 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7855 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7856 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7857 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7858 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7859 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7860 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7861 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7862 * alpha/vxworks.h: Likewise.
7864 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7866 * mips.md (reload_outsi): Added missing REGNO call.
7867 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7869 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7870 another match_operator and compare the codes.
7872 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7874 * MIPS multiply pattern fixes:
7875 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7876 Add union classes for HI, LO, or HILO plus general registers.
7877 (GENERATE_MADD): Deleted.
7878 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7879 Add TARGET_MAD to condition.
7880 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
7881 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
7882 "*d" for accumulator, to give preference to LO initially but not
7885 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
7887 * configure.in (enable_c_mbchar): New configure option.
7888 (extra_cpp_objs): Always available now.
7890 * cexp.y (mbchar.h): #include it.
7891 (yylex): Handle Multibyte characters in character literals.
7893 * cccp.c (mbchar.h): #include it.
7894 (main): Set character set based on LANG environment variable.
7895 (rescan): Handle multibyte characters in comments.
7896 (skip_if_group): See above.
7897 (validate_else): See above.
7898 (skip_to_end_of_comment): See above.
7899 (macarg1): See above.
7900 (discard_comments): See above.
7901 (rescan): Handle multibyte characters in string and character literals.
7902 (collect_expansion): See above.
7903 (skip_quoted_string): See above.
7904 (macroexpand): See above.
7905 (macarg1): See above.
7906 (discard_comments): See above.
7907 (change_newlines): See above.
7909 * c-lex.c (mbchar.h): #include it.
7910 (GET_ENVIRONMENT): New macro.
7911 (init_lex): Set character set based on LANG environment variable.
7912 (yylex): Handle multibyte characters in character literals.
7913 (yylex): Handle multibyte characters in string literals.
7915 * Makefile.in (mbchar.o): New target.
7916 (cccp$(exeext)): @extra_cpp_objs@ is always available.
7917 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
7919 * mbchar.[ch]: New files for multibyte character handling.
7921 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7923 * jump.c (jump_optimize): When simplifying noop moves and
7924 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
7925 the PUSHes to rewrite in second loop as we did in the first.
7927 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7929 * cplus-dem.c (demangle_nested_args): Make function definition
7930 static to match the prototype.
7932 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
7934 * alloca.c: Respect USE_C_ALLOCA.
7935 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
7936 * gengenrtl.c (xmalloc): Likewise.
7938 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
7940 * loop.h (struct induction): Add no_const_addval.
7941 * loop.c (the_movables, reg_address_cost): New variables.
7942 (init_loop): Init reg_address_cost.
7943 (loop_optimize): Call end_alias_analysis.
7944 (scan_loop): Init the_movables.
7945 (record_giv): Init induction->no_const_addval.
7946 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
7947 [REG]: Rearrange loop search test to catch more cases.
7948 (general_induction_var): Return success not benefit; take an extra
7949 argument for that. Change all callers.
7950 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
7951 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
7952 [default]: Search the_movables for additional combinations.
7953 (sge_plus_constant, sge_plus): New functions.
7954 (express_from_1): New function.
7955 (express_from): Always define. Rewrite using express_from_1.
7956 (combine_givs_p): Handle more cases. Ignore address cost.
7957 (cmp_combine_givs_stats): New function.
7958 (combine_givs_used_once, combine_givs_benefit_from): New functions.
7959 (combine_givs): Rewrite to do best-fit combination.
7961 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
7962 (fold): Do a complete (A*C)+(B*C) association check.
7964 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
7966 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
7968 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
7970 * mn10300.c (MODES_TIEABLE_P): Fix typo.
7972 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
7974 * tree.c (valid_machine_attribute): Only create a new type variant if
7975 there is a decl to use it.
7977 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
7979 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
7982 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
7984 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
7987 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
7989 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
7990 Simplify tests for clearing an address register.
7991 (expand_prologue): Corresponding changes.
7993 * mn10300.md (movXX patterns): Make sure the destination is an
7994 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
7995 (logical patterns): Split into expanders + patterns
7996 (zero and sign extension patterns): Similarly.
7997 (shift patterns): Similarly.
7999 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8001 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8002 for the sequence, recording base values.
8004 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8006 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8008 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8010 * gcc.c: Remove ANSI-C ism from --help code.
8012 * toplev.c: Support --help with USE_CPPLIB.
8014 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8016 * configure.in: Rework gas feature code to work with symlink based
8019 * extend.texi: Clarify some issues related to local variables
8020 assigned to explicit registers.
8022 * mn10300.md (mulsi): Turn into expander + pattern.
8024 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8027 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8029 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8031 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8033 * version.c: Bump again to distinguish mainline tree from the
8036 See ChangeLog.0 for earlier changes.
8039 add-log-time-format: current-time-string