1 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
3 * cccp.c: Do not #include <sys/stat.h> here; this is already done
5 * collect2.c: Likewise.
10 * protoize.c: Likewise.
13 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
14 and don't try to define it here.
15 * Makefile.in (cppmain.o): Depend on machmode.h.
17 (cpperror.o): Likewise.
19 (cppfiles.o): Likewise.
20 (cpphash.o): Likewise.
21 (cppalloc.o): Likewise.
22 (fix-header.o): Likewise.
23 (scan-decls.o): Likewise.
25 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
27 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
28 to determine if a register is live at a jump destination.
29 Everything is dead at a BARRIER.
31 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
33 * cse.c (simplify_unary_operation): Sign-extend constants when
34 they have the most significant bit set for the target.
35 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
37 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
38 HOST_WIDE_INT temporary before negating it.
39 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
41 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
43 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
46 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
48 * collect2.h: New header file for prototypes.
50 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
52 * collect2.c: Include collect2.h.
55 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
57 * flow.c: Update some comments.
59 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
61 * objc/objc-act.c (cpp_initialized): Removed.
62 (lang_init_options): Initialize cpplib.
63 (lang_decode_option): Move initialization of cpplib to
65 * c-lang.c: (parse_options,parse_in): Added.
66 (lang_init_options): Initialized cpplib here.
67 * c-decl.c (parse_options,cpp_initialized): Removed.
68 (c_decode_option): Move initialization of cpplib to
71 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
73 * reload1.c (reload_combine, reload_combine_note_store):
74 Make STORE_RUID always valid.
75 (reload_combine): Check if BASE is clobbered too early.
77 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
79 * reload.c (find_reloads): Display the insn that cannot be
82 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
84 * cccp.c (create_definition): Fix end of bufer logic.
86 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
88 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
89 pointer parameters changed to use the PARAMS() macro.
91 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
93 * except.h (struct handler_info): Add handler_number field.
94 * except.c (gen_exception_label): EH labels no longer need to be
95 on the permanent obstack.
96 (get_new_handler): Set the label number field.
97 (output_exception_table_entry): Regenerate handler label reference
98 from the label number field.
99 (init_eh): Remove a blank line.
100 * integrate.c (get_label_from_map): Labels no longer need to be
101 on the permanent obstack.
103 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
105 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
106 only when OUTER_CODE is SET.
108 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
110 * loop.c (strength_reduce): If scan_start points to the loop exit
111 test, be wary of subversive use of gotos inside expression statements.
112 Don't set maybe_multiple for a backward jump that does not
113 include the label under consideration into its range.
114 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
116 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
118 * explow.c (plus_constant_wide): Don't immediately return with
119 result of recursive call.
121 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
123 * eh-common.h (struct eh_context): Add table_index for rethrows.
125 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
126 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
127 processed when inlined or unrolled (ie duplicated in some way).
129 * rtl.c (reg_note_name): Add strings for new reg_note enums.
131 * expr.h (rethrow_libfunc): New library decl.
133 * optabs.c (rethrow_libfunc): Initialize.
135 * except.h (struct eh_entry): Add new field 'rethrow_label'.
136 (new_eh_region_entry): No longer exported from except.c.
137 (duplicate_handlers): Renamed to duplicate_eh_handlers and
139 (rethrow_symbol_map, rethrow_used): New exported functions.
140 (eh_region_from_symbol): New exported function.
142 * except.c (create_rethrow_ref): New function to create a single
143 SYMBOL_REF for a rethrow region.
144 (push_eh_entry): Initialize a rethrow ref.
145 (func_eh_entry): Add a rethrow_label field.
146 (new_eh_region_entry): Make static, and initialize the rethrow entry.
147 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
148 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
149 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
150 a region into an appropriate new symbol.
151 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
152 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
153 (end_catch_handler): Emit a barrier for new-exceptions since
154 control can never drop through the end of a catch block.
155 (expand_end_all_catch): new-exceptions never fall through a catch
157 (expand_rethrow): use __rethrow routine for new exceptions.
158 (output_exception_table_entry): Generate rethrow labels, if needed.
159 (output_exception_table): Generate start and end rethrow labels.
160 (init_eh): Create rethrow symbols for beginning and end of table.
161 (scan_region): Don't eliminate EH regions which are the targets of
164 * flow.c (make_edges): Add different edges for rethrow calls,
165 identified by having the REG_EH_RETHROW reg label.
166 (delete_unreachable_blocks): Don't delete regions markers which are
167 the target of a rethrow.
169 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
170 allow save_for_inline_copying to call duplicate_eh_handlers.
171 (save_for_inline_copying): Call duplicate_eh_handlers instead of
172 exposing internal details of exception regions.
173 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
174 (expand_inline_function_eh_labelmap): New callback routine to
175 allow expand_inline_function to call duplicate_eh_handlers.
176 (expand_inline_function): Call duplicate_eh_handlers instead of
177 exposing internal details of exception regions.
178 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
181 * libgcc2.c (find_exception_handler): Generalize to enable it to
182 pick up processing where it left off last time for a rethrow.
183 (__unwinding_cleanup): New function. debug hook which is called before
184 unwinding when __throw finds there is nothing but cleanups left.
185 (throw_helper): Common parts of __throw extracted out for reuse.
186 (__throw): Common parts moved to throw_helper.
187 (__rethrow): New function for performing rethrows.
189 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
191 * reload1.c (current_function_decl): Tweak declaration.
193 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
195 * c-decl.c (flag_isoc9x): Default off.
196 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
197 * cccp.c (print_help, main): Likewise.
198 * gcc.c (default_compilers): Update for -std=gnu*.
200 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
202 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
203 * demangle.h: Deleted.
205 * reload1.c (current_function_decl): Declare.
207 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
209 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
211 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
213 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
215 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
217 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
219 * configure: Rebuilt.
220 * system.h: If the *_unlocked functions are available use them
221 instead of the locked counterparts by defining macros.
222 * config.in: Regenerated.
224 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
226 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
227 wrong and should only be used for dump related things, not
228 debugging information, instead main_input_filename should be used.
229 Also, reuse output_file_directive if possible.
230 * i386/aix386ng.h (ASM_FILE_START): Likewise.
231 * i386/isc.h (ASM_FILE_START): Likewise.
232 * i386/win-nt.h (ASM_FILE_START): Likewise.
233 * i386/sun386.h (ASM_FILE_START): Likewise.
235 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
237 * configure.in (mips*-*-linux*): Handle big and little endian
239 * configure: Rebuilt.
241 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
243 * emit-rtl.c: Fix typo.
245 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
247 * reload1.c (eliminate_regs): Don't do anything, if we're not
250 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
252 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
254 * mips/mips.c (mips_select_section): Add comment.
256 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
258 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
259 characters in file names in #line to be consistent with #include
260 handling. We support escape prcessing in the # 1 "..." version of
261 the command. See also support in cp/lex.c.
262 (handle_directive): Likewise.
265 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
267 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
268 so it'll work on non-ASCII platforms. Always consider $ an
269 identifier character. Take no arguments.
270 (cpp_reader_init): Call initialize_char_syntax with no
272 (cpp_start_read): Don't call initialize_char_syntax again.
273 Clear is_idchar['$'] and is_idstart['$'] if not
274 opts->dollars_in_ident.
276 * cpplib.h (struct cpp_reader): Replace void *data element by
277 cpp_options *opts. Rearrange elements to make gdb printout
278 less annoying (put buffer stack at end).
279 (CPP_OPTIONS): Get rid of now-unnecessary cast.
281 * cppmain.c: s/data/opts/ when initializing cpp_reader
283 * c-decl.c: Likewise.
284 * objc/objc-act.c: Likewise.
285 * fix-header.c: Likewise.
287 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
289 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
290 with a struct file_name_list pointer.
291 (struct cpp_reader): Add pointer to chain of `actual
292 directory' include searchpath entries.
293 (struct file_name_list): Add *alloc pointer for the sake of
294 the actual-directory chain.
296 Move definition of HOST_WIDE_INT here.
297 (cpp_parse_escape): Change prototype to match changes in
300 * cppfiles.c (actual_directory): New function.
301 (finclude): Use it to initialize the buffer's actual_dir
303 (find_include_file): We don't need to fix up max_include_len
306 * cpplib.c (do_include): Don't allocate a file_name_list on
307 the fly for current directory "" includes, use the one that's
308 been preallocated in pfile->buffer->actual_dir. Hoist out
309 duplicate code from the search_start selection logic.
310 (cpp_reader_init): Initialize pfile->actual_dirs.
312 Remove definition of HOST_WIDE_INT. Change calls
313 to cpp_parse_escape to match changes in cppexp.c (note
314 hardcoded MASK, which is safe since this is the source
317 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
318 to handle wide character constants in #if directives. The
319 function now returns a HOST_WIDE_INT, and takes a third
320 argument which is a binary mask for all legal values (0x00ff
321 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
322 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
323 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
325 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
327 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
329 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
331 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
332 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
333 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
335 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
337 * final.c (output_asm_name): Use tabs to seperate comments from
340 Include instruction lengths (if defined) in output.
342 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
344 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
345 in the loop_info structure.
347 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
349 * configure.in: (arm*-*-ecos-elf): New target.
350 * configure: Regenerated.
351 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
352 * config/arm/ecos-elf.h: New file.
353 * config/arm/unknown-elf.h (TARGET_VERSION): Check
356 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
358 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
360 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
362 * version.c: Bump for snapshot.
364 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
366 * loop.c (check_dbra_loop): New argument loop_info. Update fields
369 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
371 * version.c: Bump for snapshot.
373 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
375 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
376 compressed reports are ok and preferred over URLs
378 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
380 * invoke.texi (Warning Options): Soften the tone of -pedantic
382 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
384 * print-rtl.c (print_rtx): Add prototype.
386 * unroll.c (iteration_info): Make it static.
388 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
390 * alias.c (memrefs_conflict_p): A second ANDed address
391 disables the aligned address optimization.
393 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
395 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
398 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
400 * i960.h (BOOL_TYPE_SIZE): Define.
402 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
404 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
405 from old valid_parallel_operands_4.
406 (valid_parallel_operands_4): Check that operands for 4 operand
407 parallel insns are valid, excluding load/store insns.
408 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
409 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
410 valid_parallel_load_store instead of valid_parallel_operands_4.
411 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
412 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
413 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
414 *notqi_movqi_clobber): Use valid_parallel_operands_4.
415 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
416 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
417 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
419 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
421 * config/c4x/c4x.c (iteration_info): Delete extern.
423 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
425 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
427 * final.c (cleanup_subreg_operands): Delete some unused code.
429 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
430 (struct insn_alternative): New structure definition.
431 (recog_op_alt): Declare variable.
432 (preprocess_constraints): Declare function.
433 * recog.c (recog_op_alt): New variable.
434 (extract_insn): Verify number of alternatives is in range.
435 (preprocess_constraints): New function.
436 * reg-stack.c: Include recog.h.
437 (constrain_asm_operands): Delete.
438 (get_asm_operand_lengths): Delete.
439 (get_asm_operand_n_inputs): New function.
440 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
441 N_OUTPUTS args. All callers changed.
442 Compute number of inputs and outputs here by calling
443 get_asm_operand_n_inputs.
444 Instead of constrain_asm_operands, call extract_insn,
445 constrain_operands and preprocess_constaints. Use information
446 computed by these functions throughout.
447 (record_reg_life): Delete code that is unused due to changes in
449 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
450 N_INPUTS and N_OUTPUTS args. All callers changed.
451 Similar changes as in record_asm_reg_life.
452 (subst_stack_regs): Move n_operands declaration into the if statement
454 Delete code that is unused due to changes in subst_asm_stack_regs.
455 * stmt.c (expand_asm_operands): Verify number of alternatives is in
457 * Makefile.in (reg-stack.o): Depend on recog.h.
459 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
461 * except.c (set_exception_version_code): Argument is an "int".
463 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
465 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
466 * configure: Rebuilt.
468 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
470 * configure.in (mipsel-*-linux*): New target.
471 * mips/linux.h: New file, based on other Linux targets.
473 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
475 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
476 runs in the context of the deleter, not the deletee, so we must
477 use taskVarGet to find the correct memory to free.
478 (__gthread_key_create): Initialize the task
479 variable subsystem so that the task variable is still active when
480 the delete hook is run.
482 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
484 * pdp11.h: Use optimize_size for space optimizations.
486 * pdp11.md: Likewise.
488 * pdp11.h (TARGET_40_PLUS): Fix typo.
490 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
492 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
495 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
497 * alias.c (addr_side_effect_eval): New function.
498 (memrefs_conflict_p): Use it.
499 * rtl.h (addr_side_effect_eval): Prototype it.
501 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
503 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
505 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
507 * reload.c (find_reloads): When force const to memory, put result
508 in substed_operand not *recog_operand_loc.
510 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
512 * c-lex.c: Fix indentation from last patch.
513 Remove trailing whitespace.
516 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
518 * flow.c (delete_block): Call set_last_insn after we have reset
519 NEXT_INSN (kept_tail).
521 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
523 * mips.md (trap_if): Use "$0" for the value zero.
525 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
526 Stephen L Moshier <moshier@world.std.com>
527 Richard Henderson <rth@cygnus.com>
529 * c-common.c (declare_function_name): Declare predefinied variable
532 * c-decl.c (flag_isoc9x): Set to 1 by default.
533 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
534 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
536 * c-parse.in: Allow constructors in ISO C 9x.
537 Rewrite designator list handling.
538 Allow [*] parameters.
539 Don't warn about comma at end of enum definition for ISO C 9x.
541 * cccp.c (c9x): New variable.
542 (rest_extension): New variable.
543 (print_help): Document new -std= option.
544 (main): Recognize -std= option. Set c9x appropriately.
545 (create_definition): Recognize ISO C 9x vararg macros.
547 * gcc.c (default_compilers): Adjust specs for -std options.
548 (option_map): Add --std.
549 (display_help): Document -std.
551 * toplev.c (documented_lang_options): Add -std and remove
554 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
555 or REAL_VALUE_HTOF based on base of the constants.
556 * fold-const.c (real_hex_to_f): New function. Replacement function
557 for hex FP conversion if REAL_ARITHMETIC is not defined.
558 * real.c (asctoeg): Add handling of hex FP constants.
559 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
562 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
564 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
565 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
566 expansion. Use hi/lo as destination register.
568 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
569 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
570 Avoid as macro expansion. Use hi/lo as destination register.
572 * mips.h (MASK_CHECK_RANGE_DIV): New.
573 (MASK_NO_CHECK_ZERO_DIV): New.
574 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
575 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
576 return address for leaf functions out of r31 to support
577 builtin_return_address.
579 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
581 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
582 NEXT_INSN(x) to check insn x.
584 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
586 * flow.c (delete_block): Call set_last_insn if we end up deleting the
587 last insn in the rtl chain.
589 * reload1.c (reload): Do not set reload_completed or split insns
591 * toplev.c (rest_of_compilation): Set reload_completed after
592 reload returns. Split insns after reload_cse has run.
594 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
596 * final.c (final_scan_insn): Abort if block_depth falls below 0.
598 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
600 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
602 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
604 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
605 use of user-label_prefix.
607 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
609 * reload1.c (emit_reload_insns): Clear spill_reg_store
610 when doing a new non-inherited reload from the same pseudo.
612 * local-alloc.c (function_invariant_p): New function.
613 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
614 to decide if an equivalence should be recorded.
615 * reload1.c (num_eliminable_invariants): New static variable.
616 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
617 to decide if an equivalence should be recorded.
619 (calculate_needs_all_insns): Skip insns that only set an equivalence.
620 Take num_eliminable_invariants into account when deciding
621 if register elimination should be done.
622 (reload_as_needed): Take num_eliminable_invariants into account
623 when deciding if register elimination should be done.
624 (eliminate_regs): Handle non-constant reg_equiv_constant.
625 * rtl.h (function_invariant_p): Declare.
627 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
629 * version.c: Bump for snapshot.
631 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
633 * version.c: Bump for snapshot.
635 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
637 * except.c (add_new_handler): Complain about additional handlers
638 after one that catches everything.
640 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
642 * configure.in (alpha*-*-netbsd): Fix typo.
643 * configure: Rebuilt.
645 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
647 * system.h: Include libiberty.h.
649 * c-aux-info.c: Remove prototypes for concat/concat3. Change
650 function `concat' from fixed parameters to variable parameters,
651 as is done in libiberty. All callers of concat/concat3
652 changed to use the new `concat' with variable args.
654 * cccp.c: Remove things made redundant by libiberty.h and/or
655 conform to libiberty standards.
657 * collect2.c: Likewise.
658 * config/1750a/1750a.h: Likewise.
659 * cppalloc.c: Likewise.
660 * cppexp.c: Likewise.
661 * cppfiles.c: Likewise.
662 * cpphash.c: Likewise.
663 * cpplib.c: Likewise.
664 * dyn-string.c: Likewise.
665 * fix-header.c: Likewise.
668 * genattr.c: Likewise.
669 * genattrtab.c: Likewise.
670 * gencheck.c: Likewise.
671 * gencodes.c: Likewise.
672 * genconfig.c: Likewise.
673 * genemit.c: Likewise.
674 * genextract.c: Likewise.
675 * genflags.c: Likewise.
676 * gengenrtl.c: Likewise.
677 * genopinit.c: Likewise.
678 * genoutput.c: Likewise.
679 * genpeep.c: Likewise.
680 * genrecog.c: Likewise.
681 * getpwd.c: Likewise.
682 * halfpic.c: Likewise.
684 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
685 in NEED_DECLARATION_* macros.
687 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
688 conform to libiberty standards.
689 (fatal): Fix const-ification of variable `format' in
690 !ANSI_PROTOTYPES case.
692 * prefix.c: Remove things made redundant by libiberty.h and/or
693 conform to libiberty standards.
695 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
696 conflicting with function `spaces' from libiberty.
698 * profile.c: Remove things made redundant by libiberty.h and/or
699 conform to libiberty standards.
700 * protoize.c: Likewise.
704 * toplev.c: Likewise.
705 * toplev.h: Likewise.
708 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
710 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
712 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
714 * README.C4X: Updated URLs.
715 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
716 (valid_parallel_operands_5): Remove unused variable.
718 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
720 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
722 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
724 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
725 which can be configured.
726 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
727 (Makefile): Pass actual LANGUAGES through the environment when
729 (cstamp-h): Likewise.
730 (config.status): Likewise.
732 * configure.in (enable_languages): Add new configuration parameter
733 "--enable-languages=lang1,lang2,...".
734 (${srcdir}/*/config-lang.in): Change handling to configure only
735 those directories, that the user might have enabled; default to
736 "all" existing languages.
737 * configure: Regenerate.
739 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
741 * rtlanal.c (regs_set_between_p): New function.
742 * rtl.h (regs_set_between_p): Prototype it.
743 * jump.c (jump_optimize): Use it instead of modified_between_p
746 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
747 Matthias Pfaller <leo@dachau.marco.de>
749 * invoke.texi (Option Summary, NS32K Options): add description
750 of NS32K specific options.
752 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
753 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
754 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
755 negdf2, absdf2): Use l instead of f since the double class and
756 float class are no longer the same.
757 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
758 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
759 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
760 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
762 (cmpsi, cmphi, cmpqi): use general_operand instead of
763 non_immediate_operand. Removes erroneous assumption that can't
765 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
766 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
768 (movstrsi, movstrsi1, movstrsi2): completely new block move
770 (...): Patterns to exploit multiply-add instructions.
771 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
772 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
773 patterns to exploit extended divide insns.
774 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
777 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
778 float return values as well as simple scalar floats.
779 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
780 support new flag to denote 32381 fpu.
781 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
782 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
784 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
785 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
786 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
787 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
788 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
789 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
790 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
791 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
792 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
793 fpu registers and special register classes for new 32381
794 instructions dotf and polyf.
795 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
797 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
798 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
800 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
801 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
802 (REGISTER_MOVE_COST): move code to register_move_cost function for
803 ease of coding and debugging.
804 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
805 LONG_FLOAT_REGO is likely spilled but not caught by default
807 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
808 instead of hard coded numbers in range check.
809 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
810 (...): Add prototypes for functions in ns32k.c but disable because
811 of problems when ns32k.h is included in machine independant files.
813 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
814 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
815 hard_regno_mode_ok, secondary_reload_class,
816 print_operand, print_operand_address): new register scheme to
817 include 32381 fpu registers and special register classes for new
818 32381 instructions dotf and polyf.
819 (gen_indexed_expr): Make static to keep namespace clean.
820 (check_reg): remove since never called.
821 (move_tail, expand_block_move): helper functions for "movstrsi"
823 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
824 Increase cost of moves which go via memory.
825 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
826 (CPP_PREDEFINES): nolonger predefine "unix".
828 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
829 Remove erroneous %$. print_operand() can work out from the rtx is
830 an immediate prefix is required.
832 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
833 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
834 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
836 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
839 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
840 Correct handling of pic operands.
841 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
842 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
843 -mrtd calling convention.
845 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
847 * gcc.c (option_map): Recognize --output-class-directory.
849 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
851 * loop.h (precondition_loop_p): Added new mode argument.
852 * unroll.c (precondition_loop_p): Likewise.
853 (approx_final_value): Function deleted and subsumed
854 into loop_iterations.
855 (loop_find_equiv_value): New function.
856 (loop_iterations): Use loop_find_equiv_value to find increments
857 too large to be immediate constants. Also use it to find terms
858 common to initial and final iteration values that can be removed.
860 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
862 * loop.h (struct loop_info): Define new structure.
863 (precondition_loop_p): Added prototype.
864 (unroll_loop): Added new argument loop_info to prototype.
865 (final_biv_value, final_giv_value): Added new argument n_iterations
867 * loop.c (strength_reduce): Declare new structure loop_iteration_info
868 and new pointer loop_info.
869 (loop_n_iterations): Replace global variable by element in
871 (check_final_value): New argument n_iterations.
872 (insert_bct): New argument loop_info.
873 (loop_unroll_factor): Replace global array by element in
875 (loop_optimize): Remove code to allocate and initialise
876 loop_unroll_factor_array.
877 * unroll.c (precondition_loop_p): No longer static since
878 used by branch on count optimization.
879 (precondition_loop_p, unroll_loop): New argument loop_info.
880 (final_biv_value, final_giv_value, find_splittable_regs): New
881 argument n_iterations.
882 (loop_iteration_var, loop_initial_value, loop_increment,
883 loop_final_value, loop_comparison_code, loop_unroll_factor):
884 Replaced global variables by loop_info structure.
885 (loop_unroll_factor): Replace global array by element in
888 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
890 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
893 * unroll.c (precondition_loop_p): Return loop_initial_value
894 for initial_value instead of loop_iteration_var.
896 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
898 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
899 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
900 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
901 to output the instruction sequences.
903 (rptb_top): Provide alternatives to use any register or memory
905 (rptb_end): Emit use of operands rather than assigning them
906 explicitly to the RS and RE registers.
908 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
910 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
911 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
912 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
913 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
914 c4x_merge_notes, c4x_parallel_process,
915 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
916 c4x_combine_parallel): Delete.
918 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
920 * config/c4x/c4x.c: (c4x_override_options): For compatibility
921 with old target options clear flag_branch_on_count_reg if
922 -mno-rptb specified and set flag_argument_alias is -mno-aliases
924 (c4x_output_cbranch): Handle a sequence of insns rather than a
926 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
927 has not been allocated as the loop counter.
928 (c4x_address_conflict): Do not allow two volatile memory references.
929 (valid_parallel_operands_4, valid_parallel_operands_5,
930 valid_parallel_operands_6): Reject pattern if the register destination
931 of the first set is used as part of an address in the second set.
933 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
935 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
936 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
937 is no longer enabled if PARALLEL_MPY_FLAG set.
938 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
939 (REG_CLASS_CONTENTS): Add braces around initializers.
940 (HAVE_MULTIPLE_PACK): Define.
941 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
942 REAL_VALUE_TO_DECIMAL.
943 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
944 REAL_VALUE_TO_DECIMAL.
945 (ar0_reg_operand): Add prototype.
946 (ar0_mem_operand): Likewise.
947 (ar1_reg_operand): Likewise.
948 (ar1_mem_operand): Likewise.
949 (ar2_reg_operand): Likewise.
950 (ar2_mem_operand): Likewise.
951 (ar3_reg_operand): Likewise.
952 (ar3_mem_operand): Likewise.
953 (ar4_reg_operand): Likewise.
954 (ar4_mem_operand): Likewise.
955 (ar5_reg_operand): Likewise.
956 (ar5_mem_operand): Likewise.
957 (ar6_reg_operand): Likewise.
958 (ar6_mem_operand): Likewise.
959 (ar7_reg_operand): Likewise.
960 (ar7_mem_operand): Likewise.
961 (ir0_reg_operand): Likewise.
962 (ir0_mem_operand): Likewise.
963 (ir1_reg_operand): Likewise.
964 (ir1_mem_operand): Likewise.
965 (group1_reg_operand): Likewise.
966 (group1_mem_operand): Likewise.
967 (ir1_reg_operand): Likewise.
968 (arx_reg_operand): Likewise.
969 (not_rc_reg): Likewise.
970 (not_modify_reg): Likewise.
971 (c4x_group1_reg_operand): Remove prototype.
972 (c4x_group1_mem_operand): Likewise.
973 (c4x_arx_reg_operand): Likewise.
975 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
977 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
978 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
980 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
982 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
985 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
987 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
988 unless FMOVD_WORKS is defined.
990 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
992 * regclass.c (init_reg_sets): Move code that calculates tables
993 dependent on reg_class_contents from here...
994 (init_reg_sets_1): To here.
996 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
998 * cpplib.h: Delete struct import_file. Add ihash element to
999 struct cpp_buffer. Delete dont_repeat_files and
1000 import_hash_table elements from cpp_reader; change
1001 all_include_files to a hash table. Delete all foobar_include
1002 / last_foobar_include elements from struct cpp_options; put
1003 back four such: quote_include, bracket_include,
1004 system_include, after_include. Redo struct file_name_list
1005 completely. Add new structure type include_hash. Add
1006 prototypes for merge_include_chains and include_hash. Change
1007 prototypes for finclude, find_include_file, and
1008 append_include_chain to match changes below.
1010 * cppfiles.c (simplify_pathname, include_hash,
1011 remap_filename, merge_include_chains): New functions.
1012 (add_import, lookup_import, open_include_file): Removed.
1013 (INO_T_EQ): Define this (copied from cccp.c).
1014 (hack_vms_include_specification): Remove all calls and #if 0
1015 out the definition. It was being called incorrectly and at
1016 the wrong times. Until a VMSie can look at this, it's better
1017 to not pretend to support it.
1018 (append_include_chain): Change calling convention; now takes
1019 only one directory at a time, and sets up the data structure
1021 (redundant_include_p): Rewritten - this is now used for all
1022 include redundancy, whether by #ifndef, #import, or #pragma
1023 once. Looks up things in the include hash table.
1024 (file_cleanup): Decrement pfile->system_include_depth here if
1026 (find_include_file): Calling convention changed; now passes
1027 around a struct include_hash instead of 3 separate parameters.
1028 Guts ripped out and replaced with new include_hash mechanism.
1029 (finclude): Calling convention changed as for
1030 find_include_file. Error exits pulled out-of-line. Reformat.
1031 (safe_read): Return a long, not an int.
1032 (deps_output): Don't recurse.
1034 * cpplib.c (is_system_include): Deleted.
1035 (path_include): Fix up call to append_include_chain.
1036 (do_include): Fix up calls to find_include_file and finclude.
1037 Clean up dependency output a bit. Shorten obnoxiously lengthy
1038 #import warning message. Don't decrement
1039 pfile->system_include_depth here.
1040 (do_pragma): Understand the include_hash structure. Reformat.
1041 (do_endif): Correct handling of control macros. Understand
1043 (cpp_start_read): Fix up calls to finclude. Call
1044 merge_include_chains.
1045 (cpp_handle_option): Fix up calls to append_include_chain.
1046 Understand the four partial include chains.
1047 (cpp_finish): Add debugging code (#if 0-ed out) for the
1049 (cpp_cleanup): Free the include_hash, not the import hash and
1050 the all_include and dont_repeat lists which no longer exist.
1052 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1054 * toplev.c (no_new_pseudos): Define.
1055 (rest_of_compilation): Set no_new_pseudos as needed.
1056 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1057 if no_new_pseudos is set.
1058 * rtl.h (no_new_pseudos): Declare it.
1059 * reload1.c (reload): Update comments.
1060 * md.texi: Corresponding changes.
1062 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1064 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1065 (choose_reload_regs): Rename it here as well. When computing it,
1066 also merge in used hardregs.
1068 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1070 * gcc.c: Split out Objective-C specs to...
1071 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1074 * c-lex.c (init_parse): Always initialize the filename global.
1075 * objc/objc-act.c (lang_init): Always call check_newline at
1078 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1080 * reload1.c (reload): Remove unused variable.
1081 (reload_reg_free_for_value_p): Add missing parameter definition.
1083 * jump.c (jump_optimize): Remove unused variable.
1085 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1087 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1089 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1091 * expr.c (move_by_pieces): Similarly.
1092 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1093 * flow.c (find_auto_inc): Similarly.
1094 (try_pre_increment): Similarly.
1095 * loop.c (strength_reduce): Similarly.
1096 * regclass.c (auto_inc_dec_reg_p): Similarly.
1097 * regmove.c (try_auto_increment): Similarly.
1098 (fixup_match_1): Similarly.
1099 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1100 (HAVE_PRE_DECREMENT): Similarly.
1101 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1102 * Corresponding changes to all target header files.
1103 * tm.texi: Update docs for autoinc addressing modes.
1105 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1107 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1108 * configure: Rebuild.
1109 * config/elfos.h: New file.
1110 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1111 config/m68k/t-m68kelf: New file.
1113 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1115 * Makefile.in (HOST_AR): Define.
1116 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1117 (libcpp.a): Use the host tools explicitly.
1118 (STAGESTUFF): Add libcpp.a.
1120 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1122 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1123 to source and destination registers.
1125 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1127 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1128 The strategy we now use is to pre allocate the top_elt along
1129 with the EH context so that each thread has its own top_elt.
1130 This is necessary as the dynmanic cleanup chain is used on the
1131 top element of the stack and each thread MUST have its own.
1132 (eh_context_static): Likewise.
1133 (new_eh_context): Likewise.
1134 (__sjthrow): Likewise.
1136 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1138 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1139 * i386.md (prologue_get_pc): Remove unused variable.
1141 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1143 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1145 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1147 * Makefile.in (OBJS): Add graph.o
1148 (graph.o): New dependency list.
1149 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1150 * print-rtl.c (dump_for_graph): Define new variable.
1151 (print_rtx): Rewrite to allow use in graph dumping functions.
1152 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1153 finish_graph_dump_file.
1154 Define graph_dump_format.
1155 (compile_file): If graph dumping is enabled also clear these files.
1156 Finish graph dump files.
1157 (rest_of_compilation): Also dump graph information if enabled.
1158 (main): Recognize -dv to enabled VCG based graph dumping.
1159 * graph.c: New file. Graph dumping functions.
1161 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1163 * configure.in: Look for <sys/stat.h>.
1164 * system.h: Include it before substitute S_ISREG definitions.
1166 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1168 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1169 * config/mips/iris6.h: Same.
1170 * config/mips/mips.md: Same.
1171 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1172 * config/mips/mips.h: Same; also define ABI_O64.
1174 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1176 * configure.in: Use AC_PREREQ(2.12.1).
1178 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1180 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1181 * cpplib.c, gcc.c: Likewise.
1182 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1184 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1186 * local-alloc.c (local_alloc): Use malloc not alloca for
1187 reg_qty, reg_offset, ref_next_in_qty.
1189 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1191 * caller-save.c (insert_one_insn): Initialize the live_before and
1192 live_after register sets.
1196 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1197 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1198 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1199 (fp_reg_names, assembler_dialect): New variables.
1200 (print_operand_address): Handle SUBREGs.
1201 (print_operand): Added 'o' case.
1202 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1203 Name of FP registers depends on mode.
1204 (expand_block_move): Emit different code for SH4 hardware.
1205 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1206 (from_compare): Likewise.
1207 (add_constant): New argument last_value. Changed all callers.
1208 (find_barrier): Don't try HImode load for FPUL_REG.
1209 (machine_dependent_reorg): Likewise.
1210 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1211 (gen_far_branch): Emit a barrier after the new jump.
1212 (barrier_align): Don't trust instruction lengths before
1214 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1215 Use auto-inc addressing for fp registers if doubles need to
1216 be loaded in two steps.
1217 Set sh_flag_remove_dead_before_cse.
1218 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1219 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1220 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1221 Support for FIRST_XD_REG .. LAST_XD_REG.
1222 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1223 (sh_expand_epilogue): Likewise.
1224 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1225 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1226 (arith_reg_operand): FPUL_REG is OK for SH4.
1227 (fp_arith_reg_operand, fp_extended_operand) New functions.
1228 (tertiary_reload_operand, fpscr_operand): Likewise.
1229 (commutative_float_operator, noncommutative_float_operator): Likewise.
1230 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1231 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1232 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1233 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1234 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1235 (CONDITIONAL_REGISTER_USAGE): Likewise.
1236 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1237 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1238 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1239 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1240 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1241 to -1 and sh_flag_remove_dead_before_cse to 1.
1242 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1243 (assembler_dialect, fp_reg_names): Declare.
1244 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1245 Hide names of registers that are not accessible.
1246 (CACHE_LOG): Take TARGET_CACHE32 into account.
1247 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1248 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1249 (FIRST_PSEUDO_REGISTER: Now 49.
1250 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1251 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1252 (HARD_REGNO_MODE_OK): Update.
1253 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1254 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1255 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1256 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1257 (NPARM_REGS): Eight floating point parameter registers on SH4.
1258 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1259 in floating point registers.
1260 (GET_SH_ARG_CLASS) Likewise.
1261 Complex float types are also returned in float registers.
1262 (BASE_ARG_REG): Complex float types are also passes in float registers.
1263 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1264 (LIBCALL_VALUE): Remove trailing semicolon.
1265 (ROUND_REG): Round when double precision value is passed in floating
1267 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1268 passed on the stack.
1269 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1270 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1271 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1272 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1273 (MODE_DISP_OK_8): Not for SH4 DFmode.
1274 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1275 Allow indexed addressing for PSImode after reload.
1276 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1277 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1278 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1279 (DOUBLE_TYPE_SIZE): 64 for SH4.
1280 (RTX_COSTS): Add PLUS case.
1281 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1282 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1283 MAC_REGS, PR_REGS, DF_REGS.
1284 (REGISTER_NAMES): Use fp_reg_names.
1285 (enum processor_type): Add PROCESSOR_SH4.
1286 (sh_flag_remove_dead_before_cse): Declare.
1287 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1288 (PREDICATE_CODES): Add binary_float_operator,
1289 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1290 fpscr_operand, noncommutative_float_operator.
1291 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1292 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1293 * sh.md (attribute cpu): Add value sh4.
1294 (attrbutes fmovd, issues): Define.
1295 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1296 (function units memory, int, mpy, fp): Make dependent on issue rate.
1297 (function units issue, single_issue, load_si, load): Define.
1298 (function units load_store, fdiv, gp_fpul): Define.
1299 (attribute hit_stack): Provide proper default.
1300 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1301 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1302 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1303 (mulsi3_call): Now uses match_operand for function address.
1304 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1306 (push, pop, push_e, pop_e): Now define_expands.
1307 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1308 (movsi_ie): Added y/i alternative.
1309 (ic_invalidate_line_i, movdf_i4): New insns.
1310 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1311 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1312 (movdf): Add special code for SH4.
1313 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1314 (call_valuei, calli, call_value): Likewise.
1315 (movsf): Emit no-op move.
1316 (mov_nop, movsi_y): New insns.
1317 (blt, sge): generalize to handle DFmode.
1318 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1319 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1320 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1321 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1322 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1323 (toggle_sz): New insn.
1324 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1325 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1326 (macsf3): Make use of fpscr visible. Disable for SH4.
1327 (floatsisf2): Make use of fpscr visible.
1328 (floatsisf2_i4): New insn.
1329 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1330 (ieee_ccmpeqsf_t): Likewise.
1331 (fix_truncsfsi2): Emit different code for SH4.
1332 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1333 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1334 (negsf2, sqrtsf2, abssf2): Now expanders.
1335 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1336 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1337 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1338 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1339 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1340 (fix_truncdfsi2_i4_2+1): New splitters.
1341 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1342 (extendsfdf2, truncdfsf2): New expanders.
1343 (truncdfsf2_i4): New insn.
1344 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1345 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1346 * float-sh.h: When testing for __SH3E__, also test for
1347 __SH4_SINGLE_ONLY__ .
1348 * va-sh.h (__va_freg): Define to float.
1349 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1350 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1351 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1352 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1354 (TARGET_SH4_P): Define.
1357 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1358 init_expr_once is satisfied about the existence of load / store insns.
1360 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1361 change m constraint in source operand to mr / mf .
1363 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1365 * (__VA_REEF): Define.
1366 (__va_arg_sh1): Use it.
1368 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1370 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1372 * i386/dgux.c (struct option): Add new "description field".
1373 * m88k/m88k.c (struct option): Likewise.
1375 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1377 * version.c: Bump for snapshot.
1379 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1381 * regmove.c (regmove_profitable_p): Use return value of find_matches
1384 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1386 * version.c: Bump for snapshot.
1388 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1390 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1391 without reload having been called earlier.
1393 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1395 (v850_reorg): Similarly.
1397 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1399 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1401 * loop.c (move_movables): Start of libcall might be new loop start.
1403 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1405 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1407 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1409 * function.c (nonlocal_goto_handler_slots): Renamed from
1410 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1411 (push_function_context_to): Adjust for this change.
1412 (pop_function_context_from): Likewise.
1413 (init_function_start): Likewise.
1414 (expand_function_end): Likewise.
1415 * function.h (struct function): Likewise.
1416 * calls.c (expand_call): Likewise.
1417 * explow.c (allocate_dynamic_stack_space): Likewise.
1418 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1419 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1421 (expand_goto): When doing a nonlocal goto, find corresponding handler
1422 slot for it. Don't put the label address in the static chain register.
1423 (expand_end_bindings): Break out nonlocal goto handling code into
1424 three new functions.
1425 (expand_nl_handler_label, expand_nl_goto_receiver,
1426 expand_nl_goto_receivers): New static functions, broken out of
1427 expand_end_bindings and adapted to create one handler per nonlocal
1429 * function.c (delete_handlers): Delete insn if it references any of
1430 the nonlocal goto handler slots.
1431 * i960.md (nonlocal_goto): Comment out code that modifies
1433 * sparc.md (nonlocal_goto): Likewise.
1434 (goto_handler_and_restore_v9): Comment out.
1435 (goto_handler_and_restore_v9_sp64): Comment out.
1437 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1439 * expr.c (STACK_BYTES): Delete unused macro.
1440 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1441 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1442 (expand_call): Likewise.
1443 (emit_library_call): Likewise.
1444 (emit_library_call_value): Likewise.
1445 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1446 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1447 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1448 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1449 (allocate_dynamic_stack_space): Likewise.
1450 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1451 (STACK_BOUNDARY): Update description to reflect the new situation.
1453 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1455 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1456 return with a filled delay slot is followed by a return with an
1457 unfilled delay slot, delete the first return and reemit the insn
1458 that was previously in its delay slot.
1460 * i860.c (single_insn_src_p): Add missing parens.
1461 * ginclude/math-3300.h: Likewise.
1463 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1465 * regclass.c (init_reg_sets_1): Add prototype.
1466 (init_reg_modes): Likewise.
1468 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1470 * c-common.c: Change warning messages to say `comparison is
1471 always true' or `comparison is always false' instead of the
1472 confusing `is always 0', `is always 1'.
1474 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1476 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1477 break instead of return (which loses closing '>').
1479 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1481 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1482 standard 387 constants.
1484 * i386.md (jump): Explicitly set "memory" attribute.
1485 (indirect_jump, prologue_set_stack_ptr): Likewise.
1486 (prologue_get_pc_and_set_got, pop): Likewise.
1487 (allocate_stack_worder, blockage, return_internal): Likewise.
1488 (return_pop_internal, nop): Likewise.
1489 (epilogue_set_stack_ptr, leave): Likewise.
1491 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1493 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1495 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1497 * reload1.c (reload_reg_free_for_value_p):
1498 Early auto_inc reloads don't conflict with outputs.
1500 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1502 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1503 Instead call AC_HEADER_SYS_WAIT.
1505 * collect2.c: Don't provide defaults for sys/wait.h macros.
1507 * protoize.c: Likewise. Also, don't include sys/wait.h.
1509 * system.h: Include sys/wait.h and provide macro defaults.
1511 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1513 * Makefile.in (mandir): Set to @mandir@.
1514 (man1dir): New variable to hold the former value of $(mandir).
1515 Replace all uses of $(mandir) by $(man1dir).
1517 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1519 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1520 a new one before passing it to force_const_mem.
1522 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1523 find_reloads_address call.
1525 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1527 * expr.c (store_expr): Don't generate load-store pair
1528 if TEMP is identical (according to ==) with TARGET.
1530 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1532 * reload1.c (reload_reg_free_for_value_p): When considered reload
1533 has an output, matching inputs are not sufficient to avoid conflict.
1535 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1537 * hash.h (hash_table_key): New type.
1538 (hash_entry): Change `string' field to generic `key'.
1539 (hash_table): Add `comp' and `hash' functions.
1540 (hash_table_init): Take them as input.
1541 (hash_table_init_n): Likewise.
1542 (hash_lookup): Modify for generic keys.
1543 (hash_newfunc): Likewise.
1544 (hash_traverse): Likewise.
1545 (string_hash): New function.
1546 (string_compare): Likewise.
1547 (string_copy): Likewise.
1548 * hash.c (hash_table_init_n): Modify for generic keys.
1549 (hash_table_init): Likewise.
1550 (hash_lookup): Likewise.
1551 (hash_newfunc): Likewise.
1552 (hash_traverse): Likewise.
1553 (string_hash): Split out from hash_lookup.
1554 (string_compare): New function.
1555 (string_copy): Split out from hash_lookup.
1556 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1558 (symbol_hash_lookup): Likewise.
1559 (file_hash_newfunc): Likewise.
1560 (file_hash_lookup): Likewise.
1561 (demangled_hash_newfunc): Likewise.
1562 (demangled_hash_lookup): Likewise.
1563 (tlink_int): Likewise.
1564 (read_repo_file): Likewise.
1565 (recompile_files): Likewise.
1566 (demangle_new_symbols): Likewise.
1567 (scan_linker_output): Likewise.
1569 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1571 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1573 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1575 * rs6000.c (output_mi_thunk): Improve test for local branch.
1577 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1579 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1581 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1583 * reload1.c (reload_reg_free_before_p): Delete.
1584 Changed all callers to use reload_reg_free_for_value_p instead.
1585 (reload_reg_free_for_value_p): Handle more reload types.
1586 A RELOAD_FOR_INPUT doesn't conflict with its
1587 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1588 Add special case for OUT == const0_rtx.
1589 Added ignore_address_reloads argument. Changed all callers.
1591 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1593 * toplev.c (compile_file): Don't pedwarn about undefined static
1594 functions just because we passed -Wunused.
1596 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1598 * function.c (purge_addressof_1): Unshare rtl created by
1601 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1603 * regmove.c (regmove_optimize): Don't do anything but
1604 optimize_reg_copy[123] when flag_regmove is not set.
1606 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1608 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1609 value in paradoxical SImode result, rather than truncating midpoint.
1611 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1613 * alpha.c (reg_not_elim_operand): New.
1614 * alpha.h (PREDICATE_CODES): Add it.
1615 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1616 for the multiplicand.
1618 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1620 * rs6000.md (movsf): Remove explicit secondary-reload-like
1621 functionality. Only truncate SFmode store if in FPR.
1622 (movsf splitters): Combine const_double splitters.
1623 (movsf_hardfloat): Add GPR support.
1625 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1627 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1628 deprecate -mlive-g0 and -mbroken-saverestore.
1629 * t-splet (MULTILIB_OPTIONS): Likewise.
1631 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1632 in a leaf function. Clarify total_size/extra_size relationship.
1634 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1636 * i386/cygwin32.asm: Delete.
1637 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1638 * i386/cygwin32.h: Delete.
1639 * i386/cygwin.h: New file, renamed from cygwin32.h.
1640 * i386/t-cygwin32: Delete.
1641 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1642 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1643 * i386/x-cygwin32: Delete.
1644 * i386/x-cygwin: New file, renamed from x-cygwin32.
1645 * i386/xm-cygwin32: Delete.
1646 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1647 renamed cygwin_ funcs for path translations.
1648 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1649 * i386/winnt.c: Remove "32" from comment about cygwin.
1650 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1651 * rs6000/cygwin32.h: Delete.
1652 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1653 -D__CYGWIN__ to CPP_PREDEFINES.
1654 * rs6000/x-cygwin32: Delete.
1655 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1656 * rs6000/xm-cygwin32: Delete.
1657 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1659 * configure.in: Check for cygwin* instead of cygwin32. Account
1660 for the rename of cygwin-related config files to lose the "32"s.
1661 * configure: Regenerate.
1663 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1664 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1666 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1668 * Makefile.in (JAVAGC): New macro.
1669 * configure: Rebuilt.
1670 * configure.in: Recognize --enable-java-gc argument. Subst
1673 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1675 Handle equivalences that have been obscured by gcse:
1677 * reload1.c (reload): Handle equivalences set up in multiple places.
1678 * local-alloc.c (reg_equiv_init_insns): New variable.
1679 (no_equiv): New function.
1680 (update_equiv_regs): Handle equivalences set up in multiple places.
1681 Don't ignore an insn just because its destination is likely to be
1684 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1686 * except.c (expand_eh_return): Readd force_operand call lost in
1689 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1691 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1693 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1695 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1697 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1699 * regmove.c (regmove_optimize): Fix error in last change.
1701 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1703 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1704 offset in the .mask pseudo to compensate for frame pointer adjustments.
1705 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1706 word swap arguments moved to/from FP registers.
1707 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1709 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1711 * version.c: Bump for snapshot.
1713 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1715 * version.c: Bump for snapshot.
1717 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1719 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1720 times, then it can not be completely replaced.
1722 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1724 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1726 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1728 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1729 (to distinguish it from the macro wrapping ansidecl.h.)
1730 Include libiberty's ansidecl.h. Remove all redundant definitions.
1731 Define the PROTO() style macros in terms of the PARAMS() ones.
1734 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1735 __STDC__, when deciding whether to use ANSI variable args.
1736 (emit_library_call_value): Likewise.
1738 * cccp.c (error): Likewise.
1739 (warning): Likewise.
1740 (error_with_line): Likewise.
1741 (warning_with_line): Likewise.
1742 (pedwarn): Likewise.
1743 (pedwarn_with_line): Likewise.
1744 (pedwarn_with_file_and_line): Likewise.
1747 * cexp.y (error): Likewise.
1748 (pedwarn): Likewise.
1749 (warning): Likewise.
1751 * collect2.c (fatal_perror): Likewise.
1755 * combine.c (gen_rtx_combine): Likewise.
1757 * cpperror.c (cpp_message): Likewise.
1758 (cpp_fatal): Likewise.
1760 * cpplib.c (cpp_error): Likewise.
1761 (cpp_warning): Likewise.
1762 (cpp_pedwarn): Likewise.
1763 (cpp_error_with_line): Likewise.
1764 (cpp_warning_with_line): Likewise.
1765 (cpp_pedwarn_with_line): Likewise.
1766 (cpp_pedwarn_with_file_and_line): Likewise.
1768 * cpplib.h: Don't define PARAMS() macro.
1770 * demangle.h: Likewise.
1772 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1773 when deciding whether to use ANSI variable args.
1775 * emit-rtl.c (gen_rtx): Likewise.
1776 (gen_rtvec): Likewise.
1778 * final.c (asm_fprintf): Likewise.
1780 * fix-header.c (cpp_message): Likewise.
1782 (cpp_fatal): Likewise.
1784 * gcc.c (concat): Likewise.
1788 * genattr.c (fatal): Likewise.
1790 * genattrtab.c (attr_rtx): Likewise.
1791 (attr_printf): Likewise.
1794 * gencodes.c (fatal): Likewise.
1796 * genconfig.c (fatal): Likewise.
1798 * genemit.c (fatal): Likewise.
1800 * genextract.c (fatal): Likewise.
1802 * genflags.c (fatal): Likewise.
1804 * genopinit.c (fatal): Likewise.
1806 * genoutput.c (fatal): Likewise.
1809 * genpeep.c (fatal): Likewise.
1811 * genrecog.c (fatal): Likewise.
1813 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1814 deciding whether to declare `tree_node' and `rtx_def'.
1816 * hash.h: Don't define stuff we get from gansidecl.h.
1818 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1819 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1820 whether to use ANSI variable args.
1823 * prefix.c (concat): Likewise.
1827 * system.h: Likewise.
1829 * toplev.c (error_with_file_and_line): Likewise.
1830 (error_with_decl): Likewise.
1831 (error_for_asm): Likewise.
1834 (warning_with_file_and_line): Likewise.
1835 (warning_with_decl): Likewise.
1836 (warning_for_asm): Likewise.
1837 (warning): Likewise.
1838 (pedwarn): Likewise.
1839 (pedwarn_with_decl): Likewise.
1840 (pedwarn_with_file_and_line): Likewise.
1842 (really_sorry): Likewise.
1844 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1845 whether to declare `tree_node' and `rtx_def'.
1847 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1848 deciding whether to use ANSI variable args.
1849 (build_nt): Likewise.
1850 (build_parse_node): Likewise.
1852 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1854 * version.c: Bump for snapshot.
1856 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1858 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1860 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1862 * collect2.c (main, case 'b'): Use else if.
1864 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1866 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1867 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1868 before the config/ directory headers.
1869 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1870 gansidecl.h in the list of dependencies.
1872 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1873 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1874 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1875 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1876 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1877 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1880 * cccp.c: Don't include gansidecl.h.
1882 * collect2.c: Likewise.
1883 * config/c4x/c4x.c: Likewise.
1884 * config/v850/v850.h: Likewise.
1885 * cppalloc.c: Likewise.
1886 * cpperror.c: Likewise.
1887 * cppexp.c: Likewise.
1888 * cppfiles.c: Likewise.
1889 * cpphash.c: Likewise.
1890 * cpplib.c: Likewise.
1891 * cppmain.c: Likewise.
1892 * cppulp.c: Likewise.
1893 * demangle.h: Likewise.
1894 * doprint.c: Likewise.
1895 * dyn-string.c: Likewise.
1896 * eh-common.h: Likewise.
1897 * fix-header.c: Likewise.
1898 * frame.c: Likewise.
1901 * gen-protos.c: Likewise.
1902 * gencheck.c: Likewise.
1903 * halfpic.h: Likewise.
1905 * machmode.h: Likewise.
1906 * mbchar.c: Likewise.
1907 * prefix.c: Likewise.
1908 * protoize.c: Likewise.
1909 * recog.h: Likewise.
1911 * scan-decls.c: Likewise.
1913 * varray.h: Likewise.
1915 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
1917 * i386.md (call_value_pop): If we're not popping anything,
1918 defer to call_value.
1919 (call_pop): Likewise defer to call.
1921 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
1923 * function.c (purge_addressof): Clear purge_addressof_replacements
1924 only after processing the whole function.
1926 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
1928 * reload1.c (reload): If we can not perform a particular elimination
1929 when we thought we could earlier, then we must always iterate through
1930 the loop at least one more time.
1932 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
1934 * alpha.c (add_operand): Simplify the CONST_INT match.
1935 (sext_add_operand): Correct typo in comparison by using
1936 CONST_OK_FOR_LETTER_P.
1937 * alpha.md (s?addq): Use sext_add_operand to allow the negative
1938 constant alternatives to be generated.
1939 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
1940 small constants, since the hw instructions do.
1942 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1944 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
1945 previous insn to store directly into our reload register, make sure
1946 that if the source of the previous insn is a reload register, its
1947 spill_reg_store and spill_reg_stored_to values are cleared.
1949 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
1951 * rs6000.md (floatunssidf2_internal splitter): Use base register
1952 operand, not hard-coded SP.
1954 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1956 * jump.c (calculate_can_reach_end): Fix thinko.
1958 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
1960 * reorg.c (fill_simple_delay_slots): Fix typo.
1962 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
1964 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
1966 * i386.md (extendsidi2): Use # in the output template.
1967 (extendsidi splitters): New splitters.
1969 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
1971 * configure.in: Use unknown-elf.h as tm_file for arm-elf
1973 * configure: Regenerate.
1975 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1977 * jump.c (init_label_info, delete_barrier_successors,
1978 mark_all_labels, delete_unreferenced_labels,
1979 delete_noop_moves, calculate_can_reach_end): New functions broken
1980 out of jump_optimize.
1981 (jump_optimize): Use them.
1983 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1985 * except.c (expand_fixup_region_end): Make sure outer context labels
1986 are not issued in an inner context during cleanups.
1988 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
1990 * alpha.md (addsi3, subsi3): No new temporaries once cse is
1993 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
1995 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
1996 to expose this midpoint to CSE.
1998 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2000 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2002 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2004 * configure.in: Bring over gcc2 change of Nov 19 1997.
2006 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2008 * toplev.c (output_lang_identify): Make definition dependent on
2009 ASM_IDENTIFY_LANGUAGE.
2011 * print-rtl.c (spaces): Make static.
2013 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2015 * extend.texi: Clarify proper uses for register clobbers in asms.
2017 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2019 * recog.h (enum op_type): Define.
2020 (constrain_operands): Adjust prototype.
2021 (recog_op_type): Declare new variable.
2022 * recog.c (recog_op_type): New variable.
2023 (insn_invalid_p): Allow modifying an asm statement after reload.
2024 (extract_insn): Set up recog_op_type.
2025 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2026 Don't compute operand types, use recog_op_type.
2027 Use the information computed by extract_insn instead of the previous
2028 method of finding it by insn code number.
2029 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2030 * reorg.c (fill_slots_from_thread): Likewise.
2031 * reload1.c (reload_as_needed): Likewise.
2032 (gen_reload): Likewise.
2033 (inc_for_reload): Likewise.
2034 (reload_cse_simplify_operands): Likewise.
2035 Use the information computed by extract_insn instead of the previous
2036 method of finding it by insn code number.
2037 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2039 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2040 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2041 Use the information computed by extract_insn instead of the previous
2042 method of finding it by insn code number.
2043 * regmove.c (find_matches): Likewise. Change meaning of the return
2044 value to be nonzero if the optimization can be performed, zero if
2045 not. All callers changed.
2046 Shorten some variable names to fix formatting problems.
2047 (regmove_optimize): Shorten some variable names to fix formatting
2049 Use the information computed by extract_insn instead of the previous
2050 method of finding it by insn code number.
2051 * regclass.c (scan_one_insn): Likewise.
2052 (record_reg_classes): Don't compute operand types, use recog_op_type.
2053 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2054 recog_constraints instead.
2056 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2058 * rtl.h (flow2_completed): Declare.
2059 * flow.c (flow2_completed): Definition.
2060 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2063 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2065 * Makefile.in (libcpp.a): Ranlib libcpp.a
2067 * cppulp.c (user_label_prefix): Initialize.
2069 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2071 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2072 at a RETURN if current_function_sp_is_unchanging is set.
2074 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2076 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2078 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2080 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2081 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2082 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2083 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2084 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2085 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2087 (LIB_SPEC): Handle -mno-cyginw option.
2088 (LINK_SPEC): Handle -mdll.
2090 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2092 * reload.c (find_reloads): Fix test for usage by other reload
2093 to handle secondary reloads properly.
2095 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2097 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2098 intermediate structure which has exactly the members provided by
2099 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2100 static intermediate structure.
2102 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2103 from the intermediate structure. Do the same analogous fix in
2104 the case where ELIMINABLE_REGS is not defined.
2106 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2108 * pa.h (SELECT_SECTION): Fix thinko.
2110 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2112 * dwarf2out.c (output_call_frame_info): Comments on last change.
2114 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2116 * arm.c (add_constant): When taking the address of an item in the
2117 pool, get the mode of the item addressed.
2119 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2120 contain a SET or a PARALLEL, don't consider it for conditional
2123 Restore ABI compatibility for NetBSD.
2124 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2126 (RETURN_IN_MEMORY): Likewise.
2128 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2130 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2131 (m32r_output_block_move): Rewrite bytes < 4 handling.
2133 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2135 * configure.in: Call AC_FUNC_VFORK.
2137 * collect2.c: Define VFORK_STRING as a printable string for
2138 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2139 defined, include vfork.h. If VMS is defined, define vfork()
2140 appropriately. Remove vfork check on USG, we're using autoconf.
2141 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2142 checking locally what string to pass.
2143 (scan_prog_file): Likewise.
2144 (scan_libraries): Likewise.
2146 * gcc.c: Remove vfork check on USG, we're using autoconf.
2147 Besides, no calls to vfork/fork occur in this file.
2149 * protoize.c: Likewise.
2151 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2153 * configure.in (DEFAULT_LINKER): renamed from LD
2154 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2155 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2156 * configure: rebuilt
2158 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2160 * BUGS: fix the regexp for `more' to find the appropriate node.
2161 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2163 * BUGS: added link to the WWW FAQ
2165 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2167 * version.c: Bump for snapshot.
2169 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2171 * From Christian Gafton:
2172 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2173 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2174 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2176 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2178 * c-common.c (c_get_alias_set): Allow all type-punning through
2179 unions. Don't get confused about the type of a bit-field, despite
2180 the antics of build_modify_expr.
2182 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2184 * fixinc.sco: Paramaterize #include_next values.
2185 * fixinc/fixinc.sco: Likewise.
2187 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2189 * toplev.c (rest_of_compilation): No longer set reload_completed.
2190 * reload1.c (reload): Set it here. Perform instruction splitting
2191 after reload has completed if we will be running the scheduler
2194 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2196 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2197 EH region if exceptions are enabled and we're performing cross
2199 (find_cross_jump): Exit loop if the insns are in different EH regions.
2201 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2203 * dwarf2out.c (output_call_frame_info): Use
2204 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2206 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2208 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2209 * c-common.c (check_format_info): Don't check for the 'x'
2210 format character twice, instead check for 'x' and 'X'
2212 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2214 * configure.in (assembler features): Also make gas is configured if
2215 we find it in the souce tree.
2217 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2219 * i386.c (i386_comp_type_attributes): Compare whether the
2220 attributes are defined, not their tree nodes.
2222 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2224 * configure.in (gxx_include_dir): bitten by autoconf quoting
2226 * configure: rebuilt
2228 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2230 * configure.in: Ignore non-absolute value in $AS.
2232 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2234 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2236 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2238 * configure.in (msdosdjgpp): Set exeext and target_alias.
2240 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2242 * flow.c (XNMALLOC): New macro.
2243 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2245 (add_edge, add_edge_to_label): New static functions.
2246 (free_bb_memory): New function.
2247 (flow_delete_insn): Delete function.
2248 (basic_block_drops_in): Delete variable.
2249 (find_basic_blocks): Allocate and initialize basic_block_head,
2250 basic_block_succ. Don't allocate basic_block_drops_in.
2251 Call free_bb_memory at the beginning.
2252 (find_basic_blocks_1): Don't do multiple passes.
2253 Delete code to compute basic_block_drops_in.
2254 After calling make_edges, mark blocks reached by current block live.
2255 Update test for unreachable live blocks.
2256 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2258 Simplify to call add_edge_to_label when a LABEL_REF is found.
2259 (make_edges): Simplify to call add_edge_to_label instead of
2260 mark_label_ref most of the time.
2261 Compute here whether control drops into the next block.
2262 (delete_unreachable_blocks): Return void. All callers changed.
2263 Delete unreachable blocks in reverse order.
2264 After deleting all unreachable blocks, renumber the remaining ones
2265 and update n_basic_blocks.
2266 (delete_block): Speed up deletion a bit.
2267 Don't set basic_block_drops_in for deleted blocks.
2268 (free_basic_block_vars): Don't free basic_block_drops_in.
2269 (life_analysis_1): Update to use new edge representation.
2270 (dump_flow_info): Delete code to print basic block info; call
2271 dump_bb_data instead.
2272 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2273 and uid_block_number.
2274 Simply copy the previously computed cfg.
2275 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2276 Print register lifetime information if LIVE_INFO is nonzero.
2277 * basic-block.h (dump_bb_data): Adjust prototype.
2278 * gcse.c (gcse_main): Update call to dump_bb_data.
2279 * rtl.h (free_bb_memory): Declare.
2280 * toplev.c (rest_of_compilation): Call free_bb_memory.
2282 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2283 (update_eliminable_offsets): Don't compute it.
2284 (set_initial_elim_offsets): Don't initialize it.
2285 Break out some code into set_initial_label_offsets so the rest of
2286 this function can be called from reload_as_needed.
2287 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2288 ELIMINABLE_REGS isn't.
2289 (set_initial_label_offsets): New function, broken out of
2290 set_initial_elim_offsets.
2291 (set_offsets_for_label): New function, broken out of set_label_offsets
2292 and reload_as_needed.
2293 (reload): Call the two new functions.
2294 (reload_as_needed): Call set_initial_elim_offsets instead of
2295 duplicating the code. Likewise for set_offsets_for_label.
2297 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2298 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2299 any hard reg, reg_reloaded_dead contains valid data.
2301 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2303 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2304 "stdcall" and "cdecl" attributes.
2306 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2308 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2309 handle deleted no-op moves of hard registers.
2310 * haifa-sched.c (update_flow_info): Likewise.
2312 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2314 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2315 of the sequences to reload the HILO register which do not actually
2318 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2320 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2322 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2324 * except.c (emit_eh_context): Make the EH context register stay alive
2325 at -O0 so stupid.c doesn't get confused.
2327 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2329 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2331 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2332 Jeffrey A Law (law@cygnus.com)
2334 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2335 (zero_extendsidi2): Use # in output template and handle completely by
2337 (zero_extend splitters): New define_splits.
2338 (ashiftrt_32): New pattern.
2340 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2342 * tree.c (append_random_chars): New fn.
2343 (get_file_function_name_long): Use it.
2345 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2347 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2348 (LIBCPP_OBJS): New. Add cppulp.o.
2349 (cppmain, fix-header): Depend on and use libcpp.a.
2350 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2351 of the individual object files.
2352 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2355 * cccp.c (user_label_prefix): New.
2356 (main): Set it off -f*leading-underscore.
2357 (special_symbol): Use it.
2358 * cpplib.c (special_symbol): Likewise.
2359 (cpp_handle_option): Handle -f*leading-underscore.
2360 * cppulp.c: New file.
2362 * output.h (user_label_prefix): Declare it.
2363 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2364 * toplev.c (f_options, main): Handle -f*leading-underscore.
2366 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2367 referencing USER_LABEL_PREFIX directly.
2368 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2369 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2370 * final.c (asm_fprintf): Use user_label_prefix instead.
2371 * arm/thumb.c (thumb_print_operand): Likewise.
2373 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2374 cpp wherever appropriate.
2376 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2378 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2379 specific compiler switches.
2381 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2383 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2386 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2388 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2389 structure which has exactly the members provided by EXTRA_SPECS.
2390 Xmalloc() the real `extra_specs', and initialize it from this
2391 intermediate structure.
2393 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2395 * mips.h (EXTRA_SPECS): Likewise.
2397 * sparc.h (EXTRA_SPECS): Likewise.
2399 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2401 * function.c (purge_addressof_1): Instead of aborting when a
2402 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2403 work just put the ADDRESSOF on stack. Otherwise remember all such
2404 successfull replacements, so that exactly the same replacements
2405 can be made on the REG_NOTEs. Remove the special case for CALL
2407 (purge_addressof_replacements): New variable.
2408 (purge_addressof): Clear it at end.
2410 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2412 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2413 (lang_init): Call check_newline always.
2414 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2415 cpp_start_read, set yy_cur and yy_lim to read from
2416 parse_in.token_buffer, so that we'll see the first #line
2418 * cpplib.c (cpp_start_read): finclude the main input file
2419 before processing -include/-imacros. Process -imacros and
2420 -include separately, and handle -include by stacking a
2421 buffer for the file in question as if it'd been #included.
2422 * toplev.c (documented_lang_options) Recognize -H when
2425 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2427 * cpplib.c: Merge do_once into do_pragma. Break file handling
2428 code out of do_include.
2429 Move append_include_chain, deps_output,
2430 file_cleanup, redundant_include_p, import_hash,
2431 lookup_import, add_import, read_filename_string, read_name_map,
2432 open_include_file, finclude, safe_read to cppfiles.c.
2433 Move prototypes for deps_output, append_include_chain,
2434 finclude to cpplib.h. Move definition of struct
2435 file_name_list there also.
2437 * cppfiles.c: New file. Contains all the above functions
2438 broken out of cpplib.c; also hack_vms_include_specification
2439 from cccp.c and find_include_file, a new function broken out of
2442 * Makefile.in (cppmain): Depend on cppfiles.o.
2443 (fix-header): Likewise.
2444 (cppfiles.o): New target.
2445 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2446 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2448 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2450 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2451 if pending_types is non-zero.
2452 (dwarfout_finish): Verify pending_types is zero before finishing.
2454 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2456 * expr.c (convert_move): Use shifts to perform the move if a
2457 suitable extend pattern cannot be found. Code written by
2458 Richard Henderson <rth@cygnus.com>.
2460 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2462 * regclass.c (renumber, regno_allocated): New static variables, moved
2463 out of allocate_reg_info.
2464 (allocate_reg_info): Move these two variables outside the function.
2465 Move code to free memory into new function free_reg_info.
2466 (free_reg_info): New function, broken out of allocate_reg_info.
2467 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2468 * rtl.h (allocate_reg_info): Don't declare.
2469 (free_reg_info): Declare.
2471 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2473 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2475 * toplev.c (compile_file): Temporarily revert last change.
2477 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2479 * c-typeck.c (convert_for_assignment): Parenthesize.
2481 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2483 * reload1.c (delete_output_reload): Avoid ambigous else.
2485 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2487 * toplev.c (compile_file): Call allocate_reg_info to free register
2489 * rtl.h (allocate_reg_info): Declare.
2491 * PROJECTS: Remove entry for local spilling.
2493 * final.c (cleanup_subreg_operands): New function.
2494 (final_scan_insn): Use it.
2495 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2497 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2498 operands when reload has finished.
2499 * reload.h (cleanup_subreg_operands): Declare..
2500 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2501 reload. Handled in reload itself.
2503 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2505 * reload1.c (verify_initial_offsets): New function.
2506 (reload): Call it after reload_as_needed. Also verify that the frame
2507 size stays constant during reload_as_needed.
2508 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2510 * reload.h (struct insn_chain): Add need_operand_change element.
2511 * reload1.c (new_insn_chain): Clear it.
2512 (calculate_needs_all_insns): Set it; don't overload need_reload.
2513 (reload_as_needed): Use it.
2515 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2516 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2517 and reload_address_index_reg_class.
2518 (find_reloads_address_1): Likewise.
2519 * reload.h (reload_address_base_reg_class,
2520 reload_address_index_reg_class): Don't declare.
2521 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2522 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2523 (used_spill_regs): Now static.
2524 (reload_address_base_reg_class, reload_address_index_reg_class,
2525 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2526 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2527 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2530 (init_reload): Delete code to compute base/index reg classes.
2531 (reload): Delete variable J.
2532 Delete code to manage basic_block_needs.
2533 Don't compute regs_explicitly_used.
2534 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2535 pseudo_previous_regs.
2536 Initialize bad_spill_regs_global.
2537 Don't call order_regs_for_reload here.
2538 Don't initialize spill_reg_order and n_spills.
2539 Don't forbid explicitly used regs to be used for spill regs.
2540 Change main loop to infinite loop, with explicit break statements.
2541 Make SOMETHING_CHANGED variable local to that loop.
2542 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2543 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2544 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2546 Don't call dump_needs.
2547 Delete code to reset potential_reload_regs.
2548 Delete code to terminate loop conditional on the global needs variables
2549 showing no further needs.
2550 (calculate_needs_all_insns): Return void. All callers changed.
2551 Initialize somehing_needs_elimination here, not in reload.
2552 Delete avoid_return_reg kludge.
2553 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2554 All callers changed.
2555 Initialize the group_mode and group_size elements of the arg CHAIN.
2556 Delete code to manage basic_block_needs.
2557 Operate on elements of CHAIN instead of global variables.
2558 Delete avoid_return_reg kludge.
2559 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2560 All callers changed.
2561 Operate on elements of CHAIN instead of global variables.
2562 Delete special SMALL_REGISTER_CLASSES code.
2563 Delete spill_failure code; now in new_spill_reg.
2564 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2565 All callers changed.
2566 Operate on elements of CHAIN instead of global variables.
2567 (maybe_mark_pseudo_spilled): New static function.
2568 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2569 All callers changed.
2570 Operate on elements of CHAIN instead of global variables.
2571 Call order_regs_for_reload here, not in reload.
2572 Initialize spill_reg_order and n_spills.
2573 Simplify test whether an asm insn is involved.
2574 Delete spill_failure code; now in new_spill_reg.
2575 Call maybe_mark_pseudo_spilled for everything marked as live in
2576 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2578 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2579 compiler from optimizing this function (now unused) away.
2580 Operate on elements of CHAIN instead of global variables.
2581 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2583 Operate on elements of CHAIN instead of global variables.
2584 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2585 take CHAIN arg. All callers changed.
2586 Operate on elements of CHAIN instead of global variables.
2587 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2588 CHAIN, NONGROUP args. Return void. All callers changed.
2589 Verify caller isn't trying to spill a pseudo.
2590 Simplify test for illegal reg, just use bad_spill_regs.
2591 Generate better error messages.
2592 Operate on elements of CHAIN instead of global variables.
2593 Mark spilled register in CHAIN's used_spill_regs element.
2594 Don't call spill_hard_reg.
2595 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2596 Mark spilled hard regs in bad_spill_regs_global.
2597 Mark affected pseudos in spilled_pseudos, but don't spill them.
2598 (ior_hard_reg_set): New static function.
2599 (finish_spills): Return int. All callers changed.
2600 Compute spill_reg_order, n_spills and spill_regs here. Also update
2601 regs_ever_live for regs used as spills.
2602 For every pseudo in spilled_pseudos, spill it and mark the previous
2603 hard reg it had in pseudo_previous_regs. Compute which hard regs
2604 arseudo): New static function.
2605 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2606 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2607 hard registers explicitly used across the current insn into the set.
2608 Compute hard_reg_n_uses taking only pseudos live across this insn
2610 Tweak sorting of potential_reload_regs.
2611 (compare_spill_regs): Delete function.
2612 (reload_as_needed): Don't sort the spill_regs array, it's computed
2613 in proper order in finish_spills.
2614 Delete avoid_return_reg kludge.
2615 Delete code to manage basic_block_needs.
2616 (allocate_reload_reg): Minor speed/readability tweaks.
2617 Operate on elements of CHAIN instead of global variables.
2618 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2619 Delete avoid_return_reg kludge.
2620 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2621 Delete unused label FAIL.
2622 (reload_combine): Replce reload_address_index_reg_class with
2624 Don't use used_spill_regs to determine information about lifetime of
2627 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2629 * toplev.c (display_help): Ignore empty target specific
2630 options, and if -W is also specified on the command line then
2631 display undocumented options.
2633 * config/arm/arm.c: Updated with changes in devo sources.
2634 * config/arm/arm.h: Updated with changes in devo sources.
2635 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2636 * config/arm/lib1thumb.asm: Add ELF support.
2638 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2640 * collect2.c (aix64_flag): New variable.
2641 (main, case 'b'): Parse it.
2642 (GCC_CHECK_HDR): object magic number must match mode.
2643 (scan_prog_file): Only check for shared object if valid header.
2644 Print debugging if header/mode mismatch.
2646 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2648 Added support for arm-elf-linux configuration, submitted by Philip
2649 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2650 code developed by Catherine Moore <clm@cygnus.com>. The following
2653 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2656 * configure: Regenerated.
2658 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2659 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2660 definitions conditional on their not having been already defined.
2662 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2663 and .type directives, and add "(PLT)" qualification to function
2666 * config/arm/linux.h: Deleted. This file is now superceeded by
2667 either linux-elf.h or linux-aout.h.
2669 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2670 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2672 Move definitions from old linux.h file here.
2674 * config/arm/elf.h: New file. Generic ARM/ELF support.
2676 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2678 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2680 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2681 using the 26bit APCS.
2683 * config/arm/unknown-elf.h: New file. Support for OS'es other
2684 than Linux with ELF.
2686 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2689 * config/arm/coff.h: Include aout.h for basic assembler macros.
2690 Add support for -mstructure_size_boundary=<n> command line option.
2692 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2693 command line option. Make macro definitions conditional on their
2694 not having been already defined.
2696 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2697 command line option.
2700 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2702 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2703 has been changed to not include a newline. Use this macro instead.
2704 (output_enumeral_list, const_value_attribute, name_attribute,
2705 comp_dir_attribute, prototyped_attribute, producer_attribute,
2706 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2707 dwarfout_file_scope_decl, generate_new_sfname_entry,
2708 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2709 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2711 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2713 * combine.c (subst): Process the inputs to a parallel asm_operands
2716 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2718 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2720 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2722 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2724 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2726 * version.c: Bump for snapshot.
2728 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2730 * stmt.c (expand_fixup): Set fixup->before_jump to a
2731 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2733 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2735 * Makefile.in (recog.o): Depend on toplev.h.
2736 (insn-emit.o): Depend on recog.h.
2737 (insn-peep.o): Depend on recog.h and insn-config.h.
2739 * combine.c (simplify_set): Remove unused variable `scratches'.
2741 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2742 and `idx' in macro conditional controlling their use.
2744 * genemit.c (main): Make the generated output file include
2745 recog.h. Don't have it declare `insn_operand_constraint', since
2746 we get it from recog.h.
2748 * genpeep.c (main): Make the generated output file include
2749 insn-config.h and recog.h.
2751 * recog.c: Include toplev.h.
2752 (extract_insn): Remove unused variable `p'.
2754 * regclass.c (fix_register): Add missing braces around initializer
2756 (allocate_reg_info): Move variable `i' into the scope where it is
2757 used. Change its type to `size_t'.
2759 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2761 * reload.c (push_reload): When merging reloads, make sure
2762 that reload_in_reg and reload_in are from the same reload in
2765 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2767 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2768 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2770 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2772 * loop.c (loop_has_tablejump): New variable.
2773 (prescan_loop): Scan for it.
2774 (insert_bct): Replace explicit scan with use of it.
2775 * regclass.c (regclass): Restore loop variable j.
2776 (record_reg_classes): Deterine op_types modifiers and initialize
2777 classes[i] before matching constraints. Handle matching
2780 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2782 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2785 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2787 * mips.h (EXTRA_SPECS): Add missing initializers.
2789 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2791 * sparc.h (EXTRA_SPECS): Add missing initializers.
2792 (sparc_defer_case_vector): Provide a prototype.
2794 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2795 comparing it to the result of a pointer subtraction.
2797 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2799 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2800 the argument to (unsigned char).
2802 * alpha.h (EXTRA_SPECS): Add missing initializers.
2803 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2806 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2808 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2809 (propagate_block): Delete dead code after reload.
2811 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2812 back Oct 15, 1998 change.
2813 * haifa-sched.c (update_flow_info): Likewise.
2814 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2816 * mn10200.md (truncated shift): Accept constant inputs too.
2818 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2820 * machmode.h (mode_mask_array): No longer const.
2821 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2823 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2825 * frame.c: Somewhat explain `FDE'.
2826 Suggested by Brendan Kehoe
2828 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2830 * expr.c (pending_chain): Move up.
2831 (save_expr_status): Do save pending_chain.
2832 (restore_expr_status): And restore it.
2833 * function.h (struct function): Add pending_chain.
2835 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2837 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2838 did not match the code.
2840 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2842 * regclass.c (regclass): Break out some code into new function
2843 scan_one_insn, and into regclass_init.
2844 (init_cost): New static variable, moved out of regclass.
2845 (regclass_init): Initialize it here, not in .
2846 (scan_one_insn): New static function, broken out of regclass.
2847 * recog.c (apply_change_group): Break out some code into new
2848 function insn_invalid_p.
2849 (insn_invalid_p): New static fn, broken out of apply_change_group.
2851 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2853 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2854 reg_reloaded_contents matches incremented pseudo.
2856 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2858 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2860 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2861 addressing modes with side effects. These are currently
2862 placeholders for the C4x target.
2864 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2866 * loop.c (express_from): Make sure that when generating a PLUS of
2867 a PLUS, any constant expression appears on the outermost PLUS.
2869 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2871 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2872 works if "$(srcdir)" != ".".
2874 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2876 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2877 existing SUBREG if we can, otherwise abort.
2879 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2881 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2882 `restrict' is applied to a non-pointer variable.
2884 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2886 * invoke.texi: Document -flang-isoc9x.
2888 * Makefile.in (OBJS): Add splay-tree.o.
2889 (c-common.o): Depend on rtl.h.
2890 (splay-tree.o): List dependencies and provide build rule.
2892 * rtl.h (record_alias_subset): New function.
2893 * alias.c: Include splay-tree.h.
2894 (alias_set_entry): New type.
2895 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2896 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2897 (mems_in_disjoin_alias_sets_p): New function.
2898 (alias_set_compare): Likewise.
2899 (insert_subset_children): Likewise.
2900 (get_alias_set_entry): Likewise.
2902 * tree.h (TYPE_RESTRICT): New macro.
2903 (TYPE_UNQUALIFIED): New manifest constant.
2904 (TYPE_QUAL_CONST): Likewise
2905 (TYPE_QUAL_VOLATILE): Likewise.
2906 (TYPE_QUAL_RESTRICT): Likewise.
2907 (tree_type): Add restrict_flag. Reduce count of free bits.
2908 (DECL_POINTER_ALIAS_SET): New macro.
2909 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
2910 (tree_decl): Add pointer_alias_set.
2911 (build_qualified_type): New function.
2912 (build_type_variant): Define in terms of build_qualified_type.
2913 * tree.c (set_type_quals): New function.
2914 (make_node): Initializae DECL_POINTER_ALIAS_SET.
2915 (build_type_attribute_variant): Use build_qualified_type and
2917 (build_type_variant): Rename, and modify, to become...
2918 (build_qualified_type): New function.
2919 (build_complex_type): Use set_type_quals.
2921 * c-tree.h (C_TYPE_OBJECT_P): New macro.
2922 (C_TYPE_FUNCTION_P): Likewise.
2923 (C_TYPE_INCOMPLETE_P): Likewise.
2924 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
2925 (c_apply_type_quals_to_decl): New function.
2926 (c_build_qualified_type): New function.
2927 (c_build_type_variant): Define in terms of c_build_qualified_type.
2928 (flag_isoc9x): Declare.
2929 * c-typeck.c (qualify_type): Use c_build_qualified_type.
2930 (common_type): Change to use TYPE_QUALS.
2931 (comptypes): Likewise.
2932 (convert_for_assignment): Likewise.
2933 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
2934 * c-decl.c (flag_isoc9x): Define.
2935 (c_decode_option): Handle -flang-isoc9x.
2936 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
2937 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
2938 * c-lex.c (init_lex): Deal with restrict.
2939 (init_lex): Don't treat restrict as a reserved word in
2940 -traditional mode, or without -flang-isoc9x.
2941 * c-lex.h (rid): Add RID_RESTRICT.
2942 * c-parse.gperf (restrict, __restrict, __restrict__): Make
2943 equivalent to RID_RESTRICT.
2944 * c-parse.in (TYPE_QUAL): Update comment.
2945 * c-common.c: Include rtl.h.
2946 (c_find_base_decl): New function.
2947 (c_build_type_variant): Rename, and modify, to become ...
2948 (c_build_qualified_type): New function.
2949 (c_apply_type_quals_to_decl): Likewise.
2950 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
2951 a particular alias set for the reference.
2952 * toplev.c (documented_lang_options): Add -flang-isoc9x.
2954 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
2956 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
2957 command line switches.
2959 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
2961 * reload.c (loc_mentioned_in_p): Add missing braces to bind
2964 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
2966 * gcc.c (option_map): Added --classpath and --CLASSPATH.
2968 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
2970 * regclass.c (fix_register): Add error message.
2971 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
2974 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2976 * c-decl.c (warn_missing_noreturn): New global variable.
2977 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
2978 (finish_function): Implement missing noreturn warning.
2980 * c-tree.h (warn_missing_noreturn): Declare extern.
2982 * invoke.texi: Document new flags.
2984 * toplev.c (documented_lang_options): Add description.
2986 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2988 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
2989 loop optimization stable for the C4x.
2990 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
2991 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
2992 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
2994 (c4x_address_conflict): Be more paranoid when packing a volatile
2995 memref in a parallel load/store.
2997 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2999 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3000 repeat_block_filler): Deleted.
3001 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3002 Condition code not set if destination register from 'c' class.
3003 (*subbqi3_carry_clobber): Fix typo.
3005 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3007 * reorg.c (steal_delay_list_from_target) Check for insns that
3008 modify the condition codes and effect the direction of the jump
3011 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3013 * function.c (purge_addressof_1): Replace call to
3014 emit_insns_before() with emit_insn_before().
3016 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3018 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3020 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3022 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3024 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3026 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3027 clobbered across calls.
3029 * loop.c (scan_loop): Be more selective about what invariants are
3030 moved out of a loop.
3032 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3034 * version.c: Bump for snapshot.
3036 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3038 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3039 static eh_context structure.
3041 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3043 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3045 (try_combine): Don't update max_scratch.
3046 * flow.c (max_scratch, num_scratch): Delete variables.
3047 (life_analysis_1): Don't initialize max_scratch.
3048 (propagate_block): Don't update max_scratch.
3049 (mark_set_1): Don't increment num_scratch.
3050 * regs.h (max_scratch): Delete declaration.
3052 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3054 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3055 is nonzero. This is temporary!
3057 * sched.c (update_flow_info): Handle death notes made invalid by
3058 instruction splitting. Partially reverts Oct 15, 1998 patch.
3059 * haifa-sched.c (update_flow_info): Likewise.
3061 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3063 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3064 if it has a nonzero DECL_INITIAL.
3066 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3068 * Makefile.in (flow.o): Depend on recog.h.
3070 * cpplib.h (directive_table): Add missing initializiers.
3071 (finclude): Change type of variable `bsize' to size_t.
3073 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3075 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3077 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3078 `int' when comparing against one.
3079 (cpp_file_line_for_message): Mark parameter `pfile' with
3081 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3083 * flow.c: Include recog.h.
3084 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3086 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3087 `f' with ATTRIBUTE_UNUSED.
3088 (reposition_prologue_and_epilogue_notes): Likewise.
3090 * genopinit.c (gen_insn): Cast argument of ctype functions to
3093 * haifa-sched.c: Include recog.h.
3094 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3095 comparing against one.
3097 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3099 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3101 (parse_ent): Likewise.
3102 (parse_input): Likewise.
3104 * optabs.c (init_libfuncs): Likewise.
3106 * protoize.c (find_rightmost_formals_list): Likewise.
3108 * recog.h (const_double_operand): Fix typo in prototype.
3110 * tlink.c (scan_linker_output): Cast the argument of ctype
3111 function to `unsigned char'.
3113 * toplev.c (check_lang_option): Cast the result of `strlen' to
3114 `int' when comparing against one.
3116 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3118 * gcse.c (dump_cuid_table): Correct typo.
3120 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3122 * toplev.c (display_help): Prepend '-m' to target specific
3124 (check_lang_option): Ignore text after end of first word of a
3125 language specific option.
3127 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3129 * reload1.c (reg_used_by_pseudo): New static variable.
3130 (choose_reload_regs): Initialize it.
3131 Use it instead of testing spill_reg_order to determine whether a
3132 pseudo is live in a hard register across the current insn.
3133 Fix a typo in a reference to reload_reg_rtx.
3135 * flow.c (propagate_block): Replace code that computes and uses
3136 regs_sometimes_live with simpler code that just walks the set of
3137 currently live registers.
3139 * Makefile.in (insn-extract.o): Fix dependencies.
3140 * genextract.c (main): Generate includes for insn-config.h and
3142 Delete generation of declarations which are now in recog.h.
3143 * genrecog.c (main): Delete generation of definitions which are
3145 * local-alloc.c (block_alloc): Use extract_insn and the variables
3146 it sets up instead of looking up values by insn_code.
3147 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3148 recog_dup_num): Define here instead of generating the definition in
3150 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3151 recog_operand_mode, recog_constraints, recog_operand_address_p):
3153 (extract_insn): New function.
3154 * recog.h (extract_insn): Declare function.
3155 (which_alternative, recog_n_operands, recog_n_dups,
3156 recog_n_alternatives, recog_operand_mode, recog_constraints,
3157 recog_operand_address_p): Declare variables.
3158 * regclass.c (n_occurrences): New static function.
3159 * reload.c (n_occurrences): Delete function.
3160 (find_reloads): Use extract_insn.
3161 * reload.h (n_occurrences): Delete declaration.
3163 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3165 * reload1.c (reload_as_needed): Fix test for when to call
3166 update_eliminable_offsets.
3168 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3170 Fix consistency problems with reg_equiv_{mem,address};
3171 Improve reload inheritance;
3173 * reload.c (reload_out_reg): New variable.
3174 (loc_mentioned_in_p, remove_address_replacements): New functions.
3175 (remove_replacements): Deleted.
3176 (push_reload): Set reload_out_reg[i].
3177 When merging, also set reload_{in,out}_reg[i], and remove
3178 duplicate address reloads.
3179 (combine_reloads): Copy reload_out_reg[i].
3180 (find_reloads): Do make_memloc substitution also when
3181 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3183 Include *recog_operand_loc in commutativity operand changes.
3184 Generate optional output reloads.
3185 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3186 processing operands. Call make_memloc in reg_equiv_address code.
3187 Set *recog_operand_loc only after processing operands, and only
3188 if replace is true. Return a value.
3189 When changing address reload types for operands that didn't get
3190 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3191 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3192 Don't emit USEs for pseudo SUBREGs when not replacing.
3193 (find_reloads_address): Do make_memloc substitution also when
3194 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3196 (find_reloads_toplev): Likewise.
3197 Call make_memloc in reg_equiv_address code.
3198 (debug_reload_to_stream): Add code to output reload_out_reg.
3199 (make_memloc): Delete local variable i, ifdefed out code, and
3200 references to memlocs and n_memlocs.
3201 (memlocs, n_memlocs): Delete.
3202 (push_secondary_reload): Clear reload_out_reg.
3203 (find_reloads_address_1): Provide memrefloc argument to all calls
3204 to find_reloads_address.
3205 In AUTO_INC code, handle non-directly addressable equivalences properly.
3206 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3207 (find_reloads): Add return type.
3208 (remove_address_replacements, deallocate_reload_reg): Declare.
3209 * reload1.c (num_not_at_initial_offset): No longer static.
3210 (delete_address_reloads, delete_address_reloads_1): Likewise.
3211 (deallocate_reload_reg): New function.
3212 (spill_reg_stored_to): New array.
3213 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3214 (eliminate_regs_in_insn): Move assignments of previous_offset and
3215 max_offset fields, and recalculation of num_not_at_initial_offset
3216 into new static function:
3217 (update_eliminable_offsets) .
3218 (reload_as_needed): Call update_eliminable_offsetss after calling
3220 Call forget_old_reloads_1 with contents of reloaded auto_inc
3221 expressions if the actual addressing can't be changed to match the
3223 (choose_reload_regs): For inheritance, replace
3224 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3225 remove stand-alone reload_reg_used_at_all test.
3226 Use reload_out_reg to determine which reload regs have output reloads.
3227 Treat reload_override_in more similar to inherited reloads.
3228 Handle (subreg (reg... for inheritance.
3229 For flag_expensive_optimizations, add an extra pass to remove
3230 unnecessary reloads from known working inheritance.
3231 Delete obsolete code for pseudos replaced with MEMs.
3232 Handle inheritance from auto_inc expressions.
3233 (emit_reload_insns): If reload_in is a MEM, set OLD to
3235 Don't reload directly from oldequiv; if it's a pseudo with a
3236 stack slot, use reload_in[j].
3237 Check that reload_in_reg[j] is a MEM before replacing reload_in
3238 from reg_reloaded_contents.
3239 Include non-spill registers in reload inheritance processing.
3240 Also try to use reload_out_reg to set spill_reg_store /
3241 reg_last_reload_reg.
3242 In code to set new_spill_reg_store, use single_set to find out if
3243 there is a single set.
3244 Add code that allows to delete optional output reloads.
3245 Add code to allow deletion of output reloads that use no spill reg.
3246 At the end, set reload_override_in to oldequiv.
3247 Also call delete_output_reload if reload_out_reg is equal to old
3249 Add code to call delete_output_reload for stores with no matching load.
3250 Set / use spill_reg_stored_to.
3251 Handle case where secondary output reload uses a temporary, but
3252 actual store isn't found.
3253 When looking for a store of a value not loaded in order to call
3254 delete_output_reload, count_occurences should return 0 for no
3255 loads; but discount inherited input reloadill_reg_stored_to.
3256 Do checks for extra uses of REG. Changed all
3258 Use delete_address_reloads.
3259 (reload): Take return value of find_reloads into account.
3260 If a no-op set needs more than one reload, delete it.
3261 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3262 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3263 for the same operand.
3264 (clear_reload_reg_in_use): Check for other reloads that keep a
3266 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3267 RELOAD_FOR_OPADDR_ADDR.
3268 Take into account when an address address reload is only needed
3269 for the address reload we are considering.
3270 (count_occurrences): Use rtx_equal_p for MEMs.
3271 (inc_for_reload): Return instruction that stores into RELOADREG.
3272 New argument two, IN, and rtx. Changed all callers.
3273 (calculate_needs_all_insns, reload_as_needed):
3274 Don't clear after_call for a CLOBBER.
3275 Keep track of how many hard registers need to be copied from
3276 after_call, and don't clear after_call before we have seen
3277 that much copies, or we see a different instruction.
3279 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3281 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3282 after reload has completed.
3284 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3286 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3287 a macro name and the next token with a single blank if that whitespace
3288 is in a macro buffer and the next token is not '('.
3290 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3292 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3294 (skip_if_group): Ditto.
3295 (skip_to_end_of_comment): Ditto.
3297 (discard_comments): Ditto.
3298 (change_newlines): Ditto.
3300 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3302 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3304 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3306 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3307 (TARGET_OPTIONS): Add --help documentation.
3309 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3311 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3313 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3315 * fixinc/* Moved in from ../contrib directory in preparation
3316 for integrating it into the normal build process. In particular,
3317 fixinc/Makefile.in must be config-ed into the build directory
3318 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3319 ./configure.in will be "in the mail" momentarily.
3321 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3323 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3324 accidently walk into the free list. Comment how that can happen.
3325 (invalidate): Fix indentation.
3327 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3328 Jeffrey A Law (law@cygnus.com)
3330 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3331 reload. Never perform rescans of the insn chain after reload.
3332 (propagate_block): Do not delete insn or create new autoinc addressing
3335 * jump.c (jump_optimize): Unconditionally use the code that was
3336 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3337 * reload1.c (reload): When reloading is finished, delete all
3338 REG_DEAD and REG_UNUSED notes.
3339 (emit_reload_insns): Delete all code that was conditional on
3340 PRESERVE_DEATH_INFO_REGNO_P.
3341 (no_longer_dead_regs): Delete variable.
3342 (reload_cse_delete_death_notes): Delete function.
3343 (reload_cse_no_longer_dead): Delete function.
3344 (reload_cse_regs_1): Delete all code to handle deletion of death
3346 (reload_cse_noop_set_p): Likewise.
3347 (reload_cse_simplify_set): Likewise.
3348 (reload_cse_simplify_operands): Likewise.
3349 (reload_cse_move2add): Likewise.
3350 * reorg.c (used_spill_regs): Delete declaration.
3351 (max_label_num_after_reload): Delete declaration.
3352 (find_dead_or_set_registers): Don't assume that spill regs are
3353 dead at a CODE_LABEL.
3354 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3356 * sched.c (sched_analyze_insn): Likewise.
3357 (update_flow_info): Likewise.
3358 * haifa-sched.c (sched_analyze_insn): Likewise.
3359 (update_flow_info): Likewise.
3360 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3361 * toplev.c (max_label_num_after_reload): Delete variable.
3362 (rest_of_compilation): Don't set max_label_num_after_reload.
3363 Call life_analysis after reload_cse_regs if optimizing.
3364 * config/gmicro/gmicro.h: Delete comment referring to
3365 PRESERVE_DEATH_INFO_REGNO_P.
3366 * config/i386/i386.h: Likewise.
3367 * config/m88k/m88k.h: Likewise.
3368 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3369 * config/sh/sh.h: Likewise.
3371 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3373 * loop.c (strength_reduce): Restore marking bct_p as
3375 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3376 HAVE_decrement_and_branch_on_count.
3377 (small_data_operand): Remove TARGET_ELF condition for marking
3378 parameters ATTRIBUTE_UNUSED.
3380 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3382 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3383 (SELECT_SECTION): Resync with svr4.h.
3385 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3387 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3390 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3392 * c-pragma.c (handle_pragma_token): Test for null tree before
3393 dereferencing TREE_CODE.
3395 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3397 * config/c4x/c4x.c: Convert to use GEN_INT.
3398 (c4x_parallel_process): Rework to handle new repeat loop structure.
3400 * config/c4x/c4x.md: Convert to use GEN_INT.
3401 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3402 (decrement_and_branch_on_count): Likewise.
3404 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3405 loop.c has the desired functionality.
3406 (rc_reg_operand): New prototype.
3408 * config/c4x/t-c4x: Can now build all front ends.
3410 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3412 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3414 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3416 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3417 * config/t-rtems: Do not install assert.h -- use newlib's.
3419 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3421 * combine.c (combine_instructions): When finished, call init_recog.
3422 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3424 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3426 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3428 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3430 * cppalloc.c (memory_full): Mark function prototype with
3433 * demangle.h (collect_exit): Likewise.
3435 * fix-header.c (v_fatal, fatal): Likewise.
3437 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3440 * gcov.c (print_usage): Likewise.
3442 * genattr.c (fatal, fancy_abort): Likewise.
3444 * genattrtab.c (fatal, fancy_abort): Likewise.
3446 * gencodes.c (fatal, fancy_abort): Likewise.
3448 * genconfig.c (fatal, fancy_abort): Likewise.
3450 * genemit.c (fatal, fancy_abort): Likewise.
3452 * genextract.c (fatal, fancy_abort): Likewise.
3454 * genflags.c (fatal, fancy_abort): Likewise.
3456 * genopinit.c (fatal, fancy_abort): Likewise.
3458 * genoutput.c (fatal, fancy_abort): Likewise.
3460 * genpeep.c (fatal, fancy_abort): Likewise.
3462 * genrecog.c (fatal, fancy_abort): Likewise.
3464 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3465 __sjpopnthrow, __throw): Likewise.
3467 * objc/objc-act.c (objc_fatal): Likewise.
3469 * protoize.c (usage, aux_info_corrupted,
3470 declare_source_confusing): Likewise.
3472 * rtl.c (dump_and_abort): Likewise.
3474 * rtl.h (sets_cc0_p): Likewise.
3476 * toplev.c (float_signal, pipe_closed): Likewise.
3478 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3480 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3481 when generating the decision tree for the general case.
3483 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3484 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3486 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3488 * Makefile.in (sched.o): Depend on recog.h.
3490 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3491 (unsigned) when comparing against one.
3492 (find_base_value): Likewise.
3493 (record_base_value): Cast variable `regno' to (unsigned) when
3494 comparing against one. Cast the result of REGNO() macro to
3495 (unsigned) when comparing against one.
3496 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3498 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3499 variable where an unsigned index is needed.
3501 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3502 before comparing against one.
3504 * collect2.c: Add prototypes for functions `error', `fatal' and
3505 `fatal_perror'. Make these functions take variable arguments
3506 instead of faking it with a fixed number of args.
3507 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3510 * combine.c (can_combine_p): Mark parameter `pred' with
3512 (find_split_point): Cast variable `src' to (unsigned
3513 HOST_WIDE_INT) when comparing against one.
3514 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3515 (simplify_logical): Likewise.
3516 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3517 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3518 HOST_WIDE_INT) in shift.
3519 (simplify_and_const_int): Cast result of INTVAL() macro to
3520 `unsigned HOST_WIDE_INT' when comparing against one.
3521 (merge_outer_ops): Cast variable const0 to `unsigned
3522 HOST_WIDE_INT' when comparing against the result of
3523 GET_MODE_MASK() macro.
3524 (simplify_comparison): Likewise for variable `c0'. Cast variable
3525 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3526 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3527 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3528 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3529 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3530 comparing against one.
3531 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3533 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3534 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3535 (output_block_move): Cast `sizeof' expression to (int) when
3536 comparing against one.
3537 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3539 (save_restore_insns): Cast `base_offset' to `long' to match format
3540 specifier in fprintf.
3542 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3543 to `enum machine_mode'.
3545 * flow.c (life_analysis_1): Remove unused variable `insn'.
3547 * gcc.c (translate_options): Move variables `j' and `k' into the
3548 scope in which they are used. Change their types to `size_t'.
3549 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3550 (read_specs): Likewise.
3551 (process_command): Cast `sizeof' to (int) when comparing against one.
3552 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3553 (handle_braces): Cast both sides of `==' expression to `long' to
3554 ensure sign matching.
3555 (main): Cast variable `i' to `int' when comparing against one.
3557 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3558 int to size_t. Cast variable `i' to size_t when comparing against
3561 * genattrtab.c (convert_set_attr_alternative): Remove unused
3562 parameter `insn_code'. All callers changed.
3563 (convert_set_attr): Likewise.
3565 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3566 size_t when comparing against one. Likewise for variable `len'.
3568 * global.c (global_alloc): Cast variable `max_regno' to size_t
3569 when comparing against one. Likewise for variable `max_allocno'.
3571 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3573 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3574 `set' with ATTRIBUTE_UNUSED.
3575 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3578 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3579 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3580 (get_condition): Cast variable `const_val' to `unsigned
3581 HOST_WIDE_INT' when comparing against one. Cast unsigned
3582 expression to HOST_WIDE_INT when comparing against one.
3583 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3584 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3585 `unsigned' when comparing against one.
3587 * protoize.c (is_id_char): Change type of parameter `ch' to
3589 (munge_compile_params): Cast argument of ctype macro to (const
3591 (process_aux_info_file): Cast variable `aux_info_size' to int when
3592 comparing against one.
3593 (forward_to_next_token_char): Cast argument of ctype macro to
3594 `const unsigned char'.
3595 (edit_formals_lists): Likewise.
3596 (find_rightmost_formals_list): Likewise.
3597 (add_local_decl): Likewise.
3598 (add_global_decls): Likewise.
3599 (edit_fn_definition): Likewise.
3600 (do_cleaning): Likewise.
3601 (scan_for_missed_items): Likewise.
3602 (edit_file): Cast variable `orig_size' to (int) when comparing
3604 (main): Cast argument of ctype macro to `const unsigned char'.
3606 * recog.c (const_int_operand): Mark parameter `mode' with
3609 * regclass.c (record_reg_classes): Change type of variable `c' to
3610 `unsigned char'. Cast `char' array index to `unsigned char'.
3612 * reload.c (push_secondary_reload): Cast argument to
3613 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3615 * reload1.c (calculate_needs): Cast `char' array index to
3617 (set_label_offsets): Change type of variable `i' to unsigned int.
3618 Cast result of XVECLEN() macro to unsigned when comparing against
3620 (mark_not_eliminable): Change type of variable `i' to unsigned.
3621 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3622 when comparing against one.
3623 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3624 comparing against one.
3625 (choose_reload_regs): Hide unused label `fail'.
3626 (reload_cse_simplify_operands): Cast `char' array index to
3628 (reload_combine_note_store): Mark parameter `set' with
3629 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3631 (reload_cse_move2add): Remove unused variable `src2'.
3633 * sched.c: Include recog.h.
3634 (sched_note_set): Remove unused parameter `b'. All callers
3636 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3637 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3638 when comparing against one.
3640 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3641 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3642 comparing against one.
3644 * unroll.c (precondition_loop_p): Remove unused parameter
3645 `loop_end'. All callers changed.
3647 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3649 * reload1.c (maybe_fix_stack_asms): New static function.
3652 * reload.h (compute_use_by_pseudos): Declare.
3654 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3655 (something_needs_reloads): Delete variable.
3656 (finish_spills): New function.
3657 (compute_use_by_pseudos): New function.
3659 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3660 Use the reload_insn_chain instead of walking the rtl directly.
3662 (reload): Allocate and free spilled_pseudos.
3663 Ensure that all calls of spill_hard_reg are followed by a call to
3665 Use the insns_need_reload list instead of something_needs_reloads
3666 to find out if reload_as_needed must be called.
3667 Clear unused_insn_chains at the end.
3669 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3671 Delete code to keep track of current basic block.
3672 Walk reload_insn_chain instead of the rtl structure. Build the
3673 insns_need_reload chain.
3674 Remember which insns need reloading/elimination by setting the
3675 appropriate fields in struct insn_chain, not by putting modes on the
3678 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3679 arg INSN. All callers changed.
3680 Delete declaration of struct needs.
3681 Don't set something_needs_reloads.
3682 Record insn needs in the CHAIN argument.
3684 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3686 (reload_as_needed): Lose FIRST arg. All callers changed.
3687 Walk the reload_insn_chain instead of the rtx structure.
3688 Delete code to keep track of current basic block.
3689 Rename one of the NEXT variables to OLD_NEXT.
3691 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3693 (choose_reload_regs): Likewise.
3695 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3698 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3699 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3700 (hard_regs_live, hard_regs_need_restore): Delete variables.
3701 (n_regs_saved): Now static.
3702 (referenced_regs, this_insn_sets): New variables.
3704 (setup_save_areas): Restructure the code a bit.
3706 (restore_referenced_regs): Delete function.
3707 (mark_referenced_regs): New function, similar to the old
3708 restore_referenced_regs, but mark registers in referenced_regs.
3710 (clear_reg_live): Delete function.
3711 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3712 Only mark registers in this_insn_sets.
3714 (save_call_clobbered_regs): Rework this function to walk the
3715 reload_insn_chain instead of using the list of instructions directly.
3716 Delete code to keep track of register lives, compute live regs on the
3717 fly from information in the chain.
3718 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3719 then walk the set it computes and call insert_restore as appropriate.
3721 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3723 Restructure the code a bit. Test hard_regs_saved instead of
3724 hard_regs_need_restore.
3725 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3726 args. All callers changed.
3727 Restructure the code a bit. Use TO_SAVE to determine which regs to
3728 save instead of more complicated test.
3729 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3731 Create a new insn_chain structure for the new insn and place it
3734 * rtl.texi: Update documentation to reflect that reload no longer
3735 puts modes on the insns.
3737 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3739 * function.c (purge_addressof_1): Force the first argument of a
3740 CALL insn to memory.
3742 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3744 * rtl.h: Delete duplicate prototypes. Add some missing
3746 * rtlanal.c: (for_each_rtx): Formatting tweak.
3748 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3750 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3751 to be compatible with TI compiler.
3753 * Makefile.in (USER_H): Add va-c4x.h to definition.
3755 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3757 * function.c (purge_addressof_1): Fix typo in inequality: do
3758 bitfield optimization for equal mode sizes.
3759 * expmed.c (store_bit_field): Don't take subregs of subregs in
3760 the movstrict case. Tidy a potential problem in the multi-word case.
3761 (extract_bit_field): Likewise.
3763 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3765 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3767 Compute max_uid_for_flow by calling get_max_uid after the scan.
3768 (find_basic_blocks_1): Don't emit NOPs here.
3770 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3772 * alias.c (base_alias_check): Accept new args for the modes of the
3773 two references. Use them to determine if an AND can overlap. Update
3775 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3776 to determine if an AND can overlap.
3778 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3780 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3781 check. Add comment to document problems with TARGET_SUN_FPA version
3783 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3785 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3787 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3789 * c-common.c (print_char_table): Add missing initializers.
3790 (scan_char_table): Likewise.
3791 (time_char_table): Likewise.
3793 * c-decl.c (c_decode_option): Mark parameter `argc' with
3795 (declare_parm_level): Mark parameter `definition_flag' with
3798 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3799 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3802 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3804 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3806 (expand_call): Cast result of MIN() to (unsigned int) when
3807 comparing against an unsigned value.
3809 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3811 (make_definition): Remove unused parameter `op'. All callers
3813 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3814 comparing against the result of pointer arithmetic.
3816 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3817 when comparing against one.
3819 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3820 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3822 (output_die): Move variable `i' into the scope in which it is
3823 used. Change its type to `unsigned'.
3824 (output_die): Cast the result of `strlen' to (int) when passing it
3825 to ASM_OUTPUT_ASCII().
3826 (output_pubnames): Likewise.
3827 (output_line_info): Likewise.
3829 * emit-rtl.c (global_rtl): Add missing initializers.
3831 * explow.c (promote_mode): Mark parameter `for_call' with
3834 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3835 `unsigned HOST_WIDE_INT' when comparing against one.
3836 (synth_mult): Change type of variable `cost' to int.
3837 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3839 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3840 when comparing against one.
3841 (get_inner_reference): Change variable `alignment' to unsigned.
3842 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3843 int) when comparing against one.
3844 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3846 * fold-const.c (div_and_round_double): Cast BASE to
3847 (HOST_WIDE_INT) when comparing against one.
3849 * gencheck.c: Include gansidecl.h.
3850 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3852 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3853 `tcode' with ATTRIBUTE_UNUSED.
3855 * real.c (edivm): Cast constant value to (unsigned long) in
3856 expression compared against an unsigned value.
3858 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3859 comparing against one.
3860 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3861 when comparing against one.
3863 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3864 (unsigned int) when comparing against one. Likewise for
3866 (smallest_mode_for_size): Likewise.
3867 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3868 (restore_storage_status): Likewise.
3870 * toplev.c (debug_args): Add missing initializer.
3871 (f_options): Spelling correction. Add missing initializers.
3872 (documented_lang_options): Likewise.
3873 (debug_end_source_file): Mark parameter `lineno' with
3876 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3877 `decl' and `type' with ATTRIBUTE_UNUSED.
3879 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3880 when comparing against one.
3881 (assemble_variable): Mark parameter `top_level' with
3883 (assemble_external_libcall): Mark parameter `fun' with
3885 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3888 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3890 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3891 Replace use of r5 with use of r19.
3893 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3895 * config/v850/v850.c (compute_register_save_size): Allow for the
3896 fact that helper functions save all registers, not just those used
3899 Replace constant 31 with macro LINK_POINTER_REGNUM.
3901 * config/v850/v850.md: Use 'indirect_operand' rather than
3902 'memory_operand' for bit test/set/clear patterns.
3904 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
3906 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
3907 * varasm.c (assemble_start_function et al): Don't call
3908 ASM_GLOBALIZE_LABEL for weak symbols.
3910 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
3912 * cse.c (equiv_constant): Check for NULL return from
3913 gen_lowpart_if_possible().
3915 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
3917 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
3919 * collect2.c (main): Pass -EL/-EB through to the compiler.
3921 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3923 * expr.c (push_block): Handle targets where the stack grows
3924 to higher addresses, but args grow to lower addresses and
3925 ACCUMULATE_OUTGOING_ARGS is not defined.
3927 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
3929 * config/v850/v850.c (print_operand): Extend meaning
3930 of 'c' operands to support .vtinherit.
3932 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3934 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
3935 Added ATTRIBUTE_UNUSED to unused function arguments.
3936 (rc_reg_operand): New predicate.
3937 (c4x_rptb_insert): New function.
3938 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
3939 (c4x_optimization_options): New function.
3941 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
3942 (decrement_and_branch_on_count): New pattern.
3943 (rptb_top): Modified pattern to work with BCT optimization.
3945 * config/c4x/c4x.h (RC_REG): New register class.
3946 (rc_reg_operand): Define prototype.
3947 (IS_RC_REG): New macro.
3948 (IS_RC_OR_PSEUDO_REG): New macro.
3949 (IS_RC_OR_PSEUDO_REGNO): New macro.
3950 (OPTIMIZATION_OPTIONS): Define.
3952 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
3954 * collect2.c (extract_init_priority): No priority is 65535.
3956 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3958 * Makefile.in (build_tooldir): new variable, same as old
3959 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
3960 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
3961 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
3963 * configure.in (gxx_include_dir): set default based on unlibsubdir
3964 * Makefile.in (tooldir): ditto
3965 (cccp.o, cpplib.o): use unlibsubdir implicitly through
3966 gxx_include_dir, includedir and tooldir
3967 (protoize.o, unprotoize.o): ditto
3969 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
3971 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
3973 * config/arm/thumb.c (thumb_override_options): Add warning about
3974 PIC code not being supported just yet.
3976 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
3978 * flow.c: Update comment.
3979 (notice_stack_pointer_modification): New static function.
3980 (record_volatile_insns): Use it.
3981 (mark_regs_live_at_end): Mark the stack pointer as alive
3982 at the end of the function if current_function_sp_is_unchanging
3984 (life_analysis_1): Set current_function_sp_is_unchanging.
3985 * function.c: Define it.
3986 (init_function_start): Initialize it.
3987 * output.h: Declare it.
3988 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
3989 the stack pointer as alive at the end of the function if
3990 current_function_sp_is_unchanging is set.
3991 * i386.c (ix86_epilogue): Optimize the restoring
3992 of the stack pointer.
3994 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
3996 * version.c: Bump for snapshot.
3998 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4000 * c-pragma.c (handle_pragma_token): If passed a token instead
4001 of a tree, use that as the pack value.
4003 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4005 * flow.c (find_basic_blocks_1): Fix prototype.
4007 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4009 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4010 (struct tree_decl): New fields no_check_memory_usage.
4011 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4012 (init_attributes): Register it as a new attribute.
4013 (decl_attributes): Set flags on functions given that attribute.
4014 * c-decl.c (duplicate_decls): Merge new attribute.
4015 * expr.h (current_function_check_memory_usage): Declare new var.
4016 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4017 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4018 current_function_check_memory_usage.
4019 * function.h: Add field to struct function.
4020 * function.c (current_function_check_memory_usage): Define it.
4021 (push_function_context_to, pop_function_context_from): Save and
4023 (expand_function_start): Set it, based on global flag and function
4026 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4027 check non-automatic variables, to permit detection of writes to
4028 read-only locations in embedded systems without memory management.
4029 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4030 when emitting chkr_set_right_libfunc call, even if the argument is
4031 BLKmode or variable-sized; don't abort.
4033 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4034 symbols in Pmode, not VOIDmode.
4036 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4038 * cppexp.c: When forcing unsigned comparisons, cast both sides
4041 * cpphash.h: Move static declaration of hashtab[]...
4042 * cpphash.c: ...here.
4044 * cpplib.c: Cast difference of two pointers to size_t before
4045 comparing it to size_t. Cast signed to unsigned
4046 before comparing to size_t. (FIXME: struct argdata should use
4047 unsigned buffer sizes.)
4048 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4049 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4050 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4051 size_t before comparison.
4053 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4055 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4056 (find_basic_blocks_1): Similarly.
4057 * output.h (find_basic_blocks): Fix prototype.
4058 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4059 find_basic_blocks anymore.
4061 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4063 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4064 (sbitmap_free, sbitmap_vector_free): New macros.
4065 * output.h (rtl_dump_file): Declare.
4067 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4069 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4071 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4073 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4075 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4076 (divide): Remove unused variable `tmp'.
4077 (si_to_float): Cast numeric constant to (SItype) before comparing
4080 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4082 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4083 * gcc.c (add_preprocessor_option): Correct typo when allocating
4084 memory, sizeof() argument had one too many `*'.
4085 (add_assembler_option): Likewise.
4086 (add_linker_option): Likewise.
4087 * gcov.c (output_data): Likewise.
4088 * local-alloc.c (memref_used_between_p): Likewise.
4089 (update_equiv_regs): Likewise.
4090 * loop.c (strength_reduce): Likewise.
4091 * reg-stack.c (record_asm_reg_life): Likewise.
4092 (subst_asm_stack_reg): Likewise.
4093 * reorg.c (dbr_schedule): Likewise.
4095 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4097 * flow.c (life_analysis_1): Break out some functions.
4098 (find_basic_blocks_1): Likewise. Also move some variables out and
4100 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4101 new static var nonlocal_label_list with it.
4102 (active_eh_region, nested_eh_region, label_value_list,
4103 nonlocal_label_list): New static variables.
4104 (make_edges, delete_unreachable_blocks, delete_block): New static
4105 functions, broken out of find_basic_blocks_1.
4106 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4107 noop_move_p): New static functions, broken out of life_analysis_1.
4109 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4111 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4112 Take extra care for op0 now possibly being a subreg.
4113 (extract_bit_field): Likewise.
4114 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4115 the reg to memory if there is no equal sized integral mode.
4116 * stor-layout.c (int_mode_for_mode): New function.
4117 * machmode.h: Prototype it.
4119 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4121 * global.c (build_insn_chain): Verify no real insns exist past the
4122 end of the last basic block, then exit the loop.
4124 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4126 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4128 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4130 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4132 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4134 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4136 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4138 * flow.c (find_basic_blocks): Correctly determine when a call
4139 is within an exception region.
4141 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4143 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4145 * cpplib.h: Protect from multiple inclusions.
4146 * cpplib.c: Fix minor formatting problems.
4148 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4150 * jump.c (jump_optimize): Revert accidental patch.
4152 * Makefile.in (cpplib.o): Use unlibsubdir.
4154 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4156 * loop.c (get_condition): Allow combine when either compare is
4159 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4161 * version.c: Bump for snapshot.
4163 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4165 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4166 (init_lex): Initialize ridpointers[RID_BYREF].
4167 * c-lex.h (enum rid): Add RID_BYREF.
4168 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4169 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4170 (encode_type_qualifiers): Similarly
4171 * c-gperf.h: Rebuilt.
4173 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4175 * c-common.c (type_for_mode): Only return TItype nodes when
4176 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4177 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4178 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4179 (init_decl_processing): Only create TItype nodes when
4180 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4181 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4182 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4184 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4186 * stmt.c (n_occurrences): New static function.
4187 (expand_asm_operands): Verify that all constrains match in the
4188 number of alternatives.
4189 Verify that '+' or '=' are at the beginning of an output constraint.
4190 Don't allow '&' for input operands.
4191 Verify that '%' isn't written for the last operand.
4192 * reload.c (find_reloads): Abort if an asm is found with invalid
4193 constraints; all possible problems ought to be checked for earlier.
4195 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4197 * flags.h (flag_branch_on_count_reg): Always declare
4198 * toplev.c (flag_branch_on_count_reg): Likewise.
4199 * toplev.c: Fix typos.
4201 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4204 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4206 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4208 (find_basic_blocks_1): Add a nop to the end of a basic block when
4209 a trailing call insn does not have abnormal control flow.
4210 * gcse.c (pre_transpout): New variable.
4211 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4212 (compute_pre_transpout): Calculate it.
4213 (compute_pre_ppinout): Use it to eliminate impossible placements
4214 due to abnormal control flow through calls.
4215 (compute_pre_data): Call compute_pre_transpout.
4217 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4219 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4221 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4223 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4224 and matching define_insns): Tack on a `use' of the table label, so
4225 flow analysis will recognize a tablejump.
4227 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4229 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4230 always end basic blocks for abnormal edge reasons.
4232 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4234 * config/i386/i386.h: Remove definition of
4235 HANDLE_PRAGMA_PACK_PUSH_POP.
4237 * config/i386/go32.h: Add definition of
4238 HANDLE_PRAGMA_PACK_PUSH_POP.
4240 * config/i386/win32.h: Add definition of
4241 HANDLE_PRAGMA_PACK_PUSH_POP.
4243 * config/i386/cygwin32.h: Add definition of
4244 HANDLE_PRAGMA_PACK_PUSH_POP.
4246 * c-pragma.c (insert_pack_attributes): Do not insert
4247 attributes unless #pragma pack(push,<n>) is in effect.
4249 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4251 * expr.c (emit_group_store): Handle a PARALLEL destination.
4253 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4255 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4256 the new insns before the argument regs are loaded.
4258 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4260 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4261 (c-parse.gperf): Update comments describing invocation flags.
4262 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4264 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4266 * reload1.c (reload): Call free before clobbering the memory
4267 locations or constants pointers.
4269 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4271 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4272 for efficiency by checking whether we need to modify the current
4273 stack permission at all.
4274 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4275 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4276 __enable_execute_stack libcall here too if
4277 TRANSFER_FROM_TRAMPOLINE is defined.
4278 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4281 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4283 * Makefile.in (DRIVER_DEFINES): Remove last change.
4285 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4287 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4288 insns we're going to copy.
4289 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4291 * loop.c (count_one_set): Add prototype.
4293 * caller-save.c (restore_referenced_regs): Lose mode argument.
4294 (insert_save): Lose mode argument.
4295 (insert_restore): Lose mode argument.
4296 (insert_one_insn): Lose mode argument.
4297 (save_call_clobbered_regs): Lose mode argument.
4298 (setup_save_areas): Take no argument and return void. All callers
4300 Don't verify validity of memory addresses.
4301 * reload.h (setup_save_ares): Adjust prototype.
4302 (save_call_clobbered_regs): Likewise.
4303 * reload1.c (delete_caller_save_insns): New function.
4304 (caller_save_spill_class): Delete variable.
4305 (caller_save_group_size): Delete variable.
4306 (reload): Call setup_save_areas and save_call_clobbered_regs
4307 in the main loop, before calling calculate_needs_all_insns.
4308 Don't call save_call_clobbered_regs after the loop.
4309 Call delete_caller_save_insns at the end of an iteration if
4311 Delete code to manage caller_save_spill_class.
4312 Emit the final note before setting reload_first_uid.
4313 Simplify test that determines whether reload_as_needed gets run.
4314 (calculate_needs): Delete code to manage caller_save_spill_class.
4316 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4318 * collect2.c (main): Initialize ld_file_name.
4320 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4322 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4323 check for flag_function_sections.
4325 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4327 * cse.c (insert_regs): Fix bug in Sep 24 change.
4329 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4331 * flags.h (flag_dump_unnumbered): Declare.
4332 * toplev.c (flag_dump_unnumbered): Don't declare.
4333 * print-rtl.c (flags.h): Include.
4334 (print_rtl_single): Add return value.
4335 * rtl.h (print_rtl_single): Update declaration.
4336 * flow.c (flag_dump_unnumbered): Don't declare.
4337 (print_rtl_with_bb): Use return value of print_rtl_single.
4339 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4341 * loop.c (count_one_set): New static function, broken out of
4343 (count_loop_regs_set): Call it.
4344 * global.c (mark_reg_store): Handle clobbers here by not calling
4346 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4347 is in fact a clobber.
4348 * integrate.c (process_reg_param): New function, broken out of
4349 expand_inline_function.
4350 (expand_inline_function): Call it.
4353 * i386.md (addsidi3_1): Delete unused variable temp.
4354 (addsidi3_2): Likewise.
4355 (clstrstrsi): Delete unused variable addr1.
4357 * rtl.h: Don't declare any functions also declared in recog.h.
4359 * Makefile.in (stupid.o): Update dependencies.
4360 (global.o): Likewise.
4362 * global.c: Include reload.h
4363 (reg_becomes_live): New function.
4364 (reg_dies): New function.
4365 (build_insn_chain): New function.
4366 (global_alloc): Call build_insn_chain before calling reload.
4368 * reload.h (struct needs): New structure definition.
4369 (struct insn_chain): Likewise.
4370 (reload_insn_chain): Declare variable.
4371 (new_insn_chain): Declare function.
4374 * reload1.c (reload_startobj): New variable.
4375 (reload_insn_chain): New variable.
4376 (unused_insn_chains): New variable.
4377 (new_insn_chain): New function.
4378 (init_reload): Initialize reload_startobj, not reload_firstobj.
4379 (reload): Initialize reload_firstobj.
4380 Before returning, free everything on the reload_obstack.
4382 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4383 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4384 current_chain): New variables.
4385 (reg_where_born): Delete variable.
4386 (REG_WHERE_BORN): New macro.
4387 (find_clobbered_regs): New function.
4388 (stupid_life_analysis): Don't allocate/free reg_where_born.
4389 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4390 reg_where_dead_chain.
4391 Use REG_WHERE_BORN instead of reg_where_born.
4392 While processing the insns, build the reload_insn_chain with
4393 information about register lifetimes.
4394 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4395 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4397 Compute and information about birth and death of pseudo registers in
4398 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4399 Delete code to set elements of reg_where_born.
4401 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4403 * tree.def (GOTO_EXPR): Modified documentation.
4404 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4407 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4409 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4410 loop_final_value, loop_comparison_code): No longer static.
4411 (unroll_loop): Delete loop_start_value update.
4412 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4413 loop_final_value, loop_comparison_code): Extern.
4414 (loop_start_value): Delete extern.
4415 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4416 loop_comparison_value, loop_comparison_code): Delete.
4417 (loop_optimize): Remove initialization for deleted variables.
4418 (strength_reduce): Delete analyze_loop_iterations call. Only call
4419 insert_bct if flag_branch_count_on_reg set.
4420 (analyze_loop_iterations): Delete.
4421 (insert_bct): Remove iteration count calculation. Move checks for
4422 viable BCT optimization to here. Obtain iteration count from
4423 loop_iterations and correct for unrolling. Check for enough
4424 iteration to be beneficial. Comment out runtime iteration count
4426 (insert_bct): Print iteration count in dump file. Remove
4427 loop_var_mode and use word_mode directly.
4429 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4430 * rs6000.c (rs6000_override_options): Use it.
4431 (optimization_options): Enable use of flag_branch_on_count_reg.
4432 * rs6000.md (define_function_unit): Describe 604e.
4434 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4436 * loop.c (move_movables): Corrected threshold calculation for
4437 moved_once registers.
4439 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4441 * loop.c (combine_givs_p): Fix test for identical givs.
4443 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4445 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4446 call abort if the function is already defined.
4448 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4450 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4451 truncation is not a no-op.
4453 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4455 * version.c: Bump for snapshot.
4457 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4459 * version.c: Bump for snapshot.
4461 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4463 * expmed.c (expand_divmod): Don't widen for computing remainder
4464 if we seem to have a divmod pattern for needed mode.
4466 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4468 * cpplib.c (macroexpand): Correct off-by-one error in handling
4471 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4473 * combine.c (expand_field_assignment): Don't do bitwise operations
4474 on MODE_FLOAT; pun to MODE_INT if possible.
4476 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4477 scott snyder <snyder@d0sgif.fnal.gov>
4479 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4480 linker. Recognize mangled names in quotes.
4482 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4484 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4485 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4486 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4487 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4489 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4491 * function.c (purge_addressof_1): If trying to take a sub-word
4492 integral piece of a floating point mode, put it on the stack.
4494 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4496 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4498 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4500 * PROJECTS: Remove template friends.
4502 * collect2.c (sort_ids): Remove unused variable.
4504 * tm.texi (MATH_LIBRARY): Document.
4505 (NEED_MATH_LIBRARY): Remove.
4507 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4508 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4510 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4512 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4513 last_end to 0x7fffffff.
4515 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4517 * function.c (purge_addressof_1): Do not perform endianness
4518 corrections on bitpos, who we call will do it for us.
4520 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4522 * h8300.c (WORD_REG_USED): Fix typo.
4523 (initial_offset): Use WORD_REG_USED.
4525 * h8300.c (handle_pragma): Fix typo.
4527 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4529 * caller-save.c (insert_save_restore): Break this function up
4530 into new functions insert_restore, insert_save and insert_one_insn.
4531 All callers changed.
4532 (insert_restore): New function, mostly broken out of
4533 insert_save_restore.
4534 (insert_save): Likewise.
4535 (insert_one_insn): Likewise.
4536 (restore_referenced_regs): New argument BLOCK. All callers changed.
4537 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4538 in this function, do it in insert_one_insn instead.
4540 * reload1.c (reload): Break out some more pieces into separate
4542 (dump_needs): New function, broken out of reload.
4543 (set_initial_elim_offsets): Likewise.
4544 (init_elim_table): Likewise.
4545 (update_eliminables): Likewise.
4547 * global.c (global_alloc): Delete code to manage the scratch_list.
4548 * local-alloc.c (qty_scratch_rtx): Delete.
4549 (scratch_block): Delete.
4550 (scratch_list): Delete.
4551 (scratch_list_length): Delete.
4552 (scratch_index): Delete.
4553 (alloc_qty_for_scratch): Delete.
4554 (local-alloc): Update initialization of max_qty.
4555 Delete code to manage the scratch list.
4556 Delete code to allocate/initialize qty_scratch_rtx.
4557 (block_alloc): Don't allocate quantities for scratches.
4558 Delete code to manage the scratch list.
4559 * regs.h (scratch_list): Delete declaration.
4560 (scratch_block): Delete declaration.
4561 (scratch_list_length): Delete declaration.
4562 * reload1.c (reload): Delete code to manage the scratch list.
4563 (spill_hard_reg): Likewise.
4564 (mark_scratch_live): Delete.
4566 * recog.c (alter_subreg): Delete declaration.
4568 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4570 * Makefile.in (cccp.o): Fix typo in last patch.
4572 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4574 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4575 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4577 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4579 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4580 NULL_RTX as an argument.
4582 * Makefile.in (unlibsubdir): Define.
4583 (DRIVER_DEFINES): Use unlibsubdir.
4584 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4585 (stmp-fixinc): Similarly.
4587 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4589 * regmove.c (regmove_optimize): Add variable old_max_uid.
4590 At the end of the function, update basic_block_end.
4592 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4594 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4595 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4598 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4600 * config/arm/arm.c: Improve interworking support.
4602 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4604 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4605 copied from reload_out[r] .
4607 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4609 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4610 with more than three size ranges.
4612 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4614 * rtl.c (mode_name): Add a null string at the end of the array.
4615 (mode_wider_mode): Change type to unsigned char.
4616 (mode_mask_array): New variable.
4617 (init_rtl): Update for mode_wider_mode type change.
4619 * rtl.h (mode_wider_mode): Change type to unsigned char.
4620 (mode_mask_array): Declare.
4621 (GET_MODE_MASK): Use mode_mask_array.
4623 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4625 * calls.c (expand_call) : Encapsulate code into
4626 copy_blkmode_from_reg.
4627 * expr.c (copy_blkmode_from_reg): New function.
4628 * expr.h (copy_blkmode_from_reg): New function.
4629 * integrate.c (function_cannot_inline_p): We can inline
4631 (expand_inline_function): Use copy_blkmode_from_reg
4632 if needed. Avoid creating BLKmode REGs.
4633 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4636 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4638 * config/v850/v850.c: Add function prototypes.
4639 Add support for v850 special data areas.
4641 * config/v850/v850.h: Add support for v850 special data areas.
4643 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4644 HANDLE_PRAGMA_PACK_PUSH_POP.
4645 (push_alignment): New function: Cache an alignment requested
4646 by a #pragma pack(push,<n>).
4647 (pop_alignment): New function: Pop an alignment from the
4649 (insert_pack_attributes): New function: Generate __packed__
4650 and __aligned__ attributes for new decls whilst a #pragma pack
4652 (add_weak): New function: Cache a #pragma weak directive.
4653 (handle_pragma_token): Document calling conventions. Add
4654 support for #pragma pack(push,<n>) and #pragma pack (pop).
4656 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4657 are defined enable HANDLE_PRAGMA_PACK.
4658 Move 'struct weak_syms' here (from varasm.c).
4659 Add pragma states for push and pop pragmas.
4661 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4664 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4665 HANDLE_GENERIC_PRAGMAS.
4667 * varasm.c: Move definition of 'struct weak_syms' into
4669 (handle_pragma_weak): Deleted.
4671 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4673 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4675 * c-decl.c (start_function): Add invocation of
4676 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4678 * tm.texi: Remove description of non-existant macro
4679 SET_DEFAULT_SECTION_NAME.
4681 (HANDLE_SYSV_PRAGMA): Document.
4682 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4684 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4686 * config.sub: Recognize i[34567]86-pc-udk as new target.
4687 * configure.in: Likewise.
4688 * config/i386/t-udk: New file.
4689 * config/i386/udk.h: New file.
4691 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4693 * reorg.c (check_annul_list_true_false): Remove unused variables.
4694 (steal_delay_list_from_target): Add missing "used_annul" variable.
4695 (try_merge_delay_insns): Close out half formed comment.
4697 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4699 * cpplib.c (macroexpand): If arg->raw_before or
4700 arg->raw_after, remove any no-reexpansion escape at the
4701 beginning of the pasted token. Correct handling of whitespace
4702 markers and no-reexpand markers at the end if arg->raw_after.
4704 * toplev.c (documented_lang_options): Recognize -include,
4705 -imacros, -iwithprefix, -iwithprefixbefore.
4706 * cpplib.c (cpp_start_read): Process -imacros and -include
4707 switches at the same time and in command-line order, after
4708 initializing the dependency-output code. Emit properly nested
4709 #line directives for them. Emit a #line for the main file
4710 before processing these switches, and don't do it again
4713 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4715 * function.c (purge_addressof_1): Use bitfield manipulation
4716 routines to handle mem mode < reg mode.
4718 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4720 * reorg.c (try_merge_delay_insns): Account for resources referenced
4721 in each instruction in INSN's delay list before trying to eliminate
4722 useless instructions. Similarly when looking at a trial insn's delay
4725 * reorg.c (check_annul_list_true_false): New function.
4726 (steal_delay_list_from_{target,fallthrough}): Call it and also
4727 refine tests for when we may annul if already filled a slot.
4728 (fill_slots_from_thread): Likewise.
4729 (delete_from_delay_slot): Return newly-created thread.
4730 (try_merge_delay_isns): Use its new return value.
4732 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4734 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4735 used to compute a giv or as some other non-counting use.
4737 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4739 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4740 * local-alloc.c (find_free_reg): Use it.
4741 * global.c (find_reg): Likewise.
4742 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4744 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4745 * caller-save.c (init_caller_save): Use it.
4746 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4748 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4750 * configure.in: Add --enable-cpplib option which uses cpplib
4751 for cpp, but doesn't link cpplib into cc1. Make help text
4752 capitalization consistent.
4753 * configure: Rebuilt.
4755 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4757 * function.c (gen_mem_addressof): If the address REG is
4758 REG_USERVAR_P make the new REG be so also.
4759 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4760 in an attempt to clarify slightly.
4762 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4764 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4765 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4767 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4769 * toplev.c: Fix last patch.
4771 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4773 * loop.c (get_condition): Fix typo in May 9 change.
4775 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4777 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4779 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4781 * toplev.c (documented_lang_options): Spelling corrections.
4783 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4785 * configure.in: new flags --with-ld and --with-as, equivalent
4786 to setting LD and AS environment variables. Test whether
4787 specified arguments are GNU commands, and report them with
4788 checking messages. Use the specified AS for configure
4791 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4793 * gcc.c (find_a_file): when looking for `as' and `ld', return
4794 the DEFAULT program if it exists
4795 * collect2.c (main): use DEFAULT_LINKER if it exists
4797 * gcc.c (find_a_file): the test for existence of a full
4798 pathname was reversed
4800 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4802 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4803 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4805 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4807 * tree.h (TYPE_BINFO): Document.
4809 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4811 * i386-coff.h (dbxcoff.h): Added.
4813 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4815 * toplev.c: fix bad patch around flag_data_sections.
4817 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4819 * reload1.c (reload): Use reload_address_index_reg_class and
4820 reload_address_base_reg_class when setting
4821 caller_save_spill_class. (Patch generated by Jim Wilson:
4824 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4826 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4827 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4828 * expr.c (store_field): Add alias_set parameter. Set the
4829 MEM_ALIAS_SET accordingly, if the target is a MEM.
4830 (expand_assignment): Use it.
4831 (store_constructor_field): Pass 0.
4832 (expand_expr): Likewise.
4834 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4836 * flags.h: Add flag_data_sections.
4837 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4838 (compile_file): Error if flag_data_sections not supported.
4839 * varasm.c (assemble_variable): Handle flag_data_sections.
4840 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4841 * config/mips/elf.h: Likewise.
4842 * config/mips/elf64.h: Likewise.
4843 * invoke.texi: Describe -fdata-sections.
4845 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4847 * invoke.texi (-ffloat-store): Clarify that this option
4848 does not affect intermediate results -- only variables.
4850 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4852 * cpp.texi: Update for Fortran usage from Craig.
4854 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4856 * rs6000.c (function_arg_boundary): Revert accidental change on
4859 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4861 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4862 (output_mi_thunk): Declare.
4864 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4865 (output_function_profiler): Use r12 for temp, instead of r11 so
4866 that we preserve the static chain register.
4868 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4870 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4872 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4874 * sh.c (gen_shl_sext): Fix case 5.
4876 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4878 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4880 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4882 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4883 accessing variables until they are initialized via va_arg().
4885 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4887 * reload1.c (reload_combine): Initialize set before using.
4889 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4891 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4894 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4896 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4897 operand3 with mask before using it. Patch provided by Jim Wilson.
4899 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4901 * config/sparc/sparc.c (function_value): Perform the equivalent of
4902 PROMOTE_MODE for ARCH64.
4903 (eligible_for_epilogue_delay): Allow DImode operations in delay
4904 slot of a return for ARCH64.
4906 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4908 * sh.md (sqrtsf2): Fix mode of sqrt.
4910 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4912 * reload1.c (choose_reload_regs): Also try inheritance when
4913 reload_in is a stack slot of a pseudo, even if we already got a
4916 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4918 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
4919 (reload_cse_regs): New function body: call reload_cse_regs_1,
4920 reload_combine, reload_cse_move2add.
4921 When doing expensive_optimizations, call reload_cse_regs_1 a
4922 second time after reload_cse_move2add.
4923 (reload_combine, reload_combine_note_store): New functions.
4924 (reload_combine_note_use): New function.
4925 (reload_cse_move2add, move2add_note_store): New functions.
4927 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4929 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
4930 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
4932 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
4933 more than 3 such reloads.
4935 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
4936 RELOAD_FOR_X_ADDR_ADDR reload.
4938 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4940 * expr.c (store_constructor): When initializing a field that is smaller
4941 than a word, at the start of a word, try to widen it to a full word.
4943 * cse.c (cse_insn): When we are about to change a register,
4944 remove any invalid references to it.
4946 (remove_invalid_subreg_refs): New function.
4947 (mention_regs): Special treatment for SUBREGs.
4948 (insert_regs): Don't strip SUBREG for call to mention_regs.
4949 Check if reg_tick needs to be bumped up before that call.
4950 (lookup_as_function): Try to match known word_mode constants when
4951 looking for a norrower constant.
4952 (canon_hash): Special treatment for SUBREGs.
4954 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4956 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
4957 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
4958 defined, emit libcall to __enable_execute_stack. Also fix opcodes
4959 and offsets in actual stack trampoline code so they match the
4960 commentary and actually work.
4962 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4964 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
4966 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
4967 tmake_file. Set extra_parts to needed crt objects.
4968 * configure: Rebuilt.
4969 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
4970 (TARGET_DEFAULT): Set if default is v9 or ultra.
4971 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
4972 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
4973 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
4974 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4975 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
4976 (TARGET_VERSION): Define.
4977 (MULTILIB_DEFAULT): Define.
4978 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
4979 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
4980 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
4982 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
4983 * config/sparc/sparc.c (sparc_override_options): If arch and
4984 pointer size disagree, emit diagnostic and fix it up. If
4985 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
4986 V8PLUS in 64-bit mode.
4987 * config/sparc/t-linux64: New file.
4988 * config/sparc/t-sol2-64: New file.
4989 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
4990 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
4991 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
4992 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
4993 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
4994 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
4996 (STARTFILE_SPEC): Set approriately based upon those.
4997 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
4998 disposition of DEFAULT_ARCH32_P.
4999 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5000 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5001 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5002 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5003 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5005 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5007 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5009 * rtl.h (init_virtual_regs): New function.
5010 * emit-rtl.c (init_virtual_regs): Define.
5011 (insn_emit): Use it.
5012 * integrate.c (save_for_inline_copying): Likewise.
5014 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5016 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5017 (enum reg_class): Add NONARG_LO_REGS support.
5018 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5019 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5020 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5021 completes. Re-enable HImode REG+OFFSET addresses.
5022 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5024 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5026 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5028 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5029 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5030 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5032 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5034 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5035 jumps as a single entity, taking into account the size of the
5038 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5040 * tree.def (SWITCH_EXPR): New tree node definition.
5042 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5044 * version.c: Bump for snapshot.
5046 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5048 * version.c: Bump for snapshot.
5050 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5052 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5055 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5057 * Revert this patch.
5058 * reload.c (find_reloads): Do not replace a pseudo with
5059 (MEM (reg_equiv_addr)) in the initializing insn for the
5062 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5064 * final.c (final_scan_insn): Disable tracking CC across branches.
5066 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5068 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5069 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5070 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5071 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5072 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5074 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5076 * toplev.c (rest_of_compilation): Skip compiling anything with
5077 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5079 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5081 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5082 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5083 use in_libcall_block.
5084 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5085 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5088 Mon Sep 21 14:02:23 1998
5090 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5091 typo in no-fancy-math-387 description.
5093 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5095 * version.c: Bump for snapshot.
5097 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5099 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5101 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5103 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5104 documented in install.texi.
5105 (TARGET_OPTIONS) Likewise.
5107 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5109 * version.c: Bump for snapshot.
5111 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5113 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5114 * cccp.c (main): Likewise.
5116 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5117 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5120 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5122 * Makefile.in (LIBS): Link in libiberty.a.
5123 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5125 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5127 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5128 it to update bb boundaries. Update caller.
5129 * function.c (reposition_prologue_and_epilogue_notes): Update
5130 bb boundaries wrt the moved note.
5132 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5134 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5136 * configure: Regenerate.
5138 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5140 * alpha.c (alpha_sr_alias_set): New variable.
5141 (override_options): Set it.
5142 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5143 (mode_mask_operand): Fix signed-unsigned comparision warning.
5144 (alpha_expand_block_move): Likewise.
5145 (print_operand): Likewise.
5146 (get_aligned_mem): Use change_address.
5147 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5148 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5149 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5150 (alpha_align_insns): Remade from old alphaev5_align_insns
5151 to handle multiple processors.
5152 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5153 * output.h (label_to_alignment): Prototype.
5155 * tree.c (new_alias_set): New function.
5156 * tree.h (new_alias_set): Declare it.
5157 * c-common.c (c_get_alias_set): Use it.
5159 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5161 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5162 to an ABS expr, convert an unsigned input to signed.
5164 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5166 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5168 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5170 * configure.in: Add support for c4x targets.
5171 * configure: Rebuilt.
5173 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5175 * combine.c (distribute_notes): If an insn is a cc0 user, only
5176 delete it if we can also delete the cc0 setter.
5178 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5180 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5181 (invert_truthvalue): Enable truthvalue inversion for
5182 floating-point operands if -ffast-math.
5184 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5186 * configure.in: Disable collect2 for nextstep. Instead use
5188 * configure: Rebuilt.
5189 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5190 (ENDFILE_SPEC): Define.
5191 (OBJECT_FORMAT_MACHO): Define.
5192 (EH_FRAME_SECTION_ASM_OP): Define.
5193 * crtstuff.c: Handle MACHO.
5195 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5197 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5199 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5201 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5202 (_fpadd_parts): Get sign right for 0.
5204 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5206 * ginclude/varargs.h: Add support for C4x target.
5207 * ginclude/stdargs.h: Likewise.
5209 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5211 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5212 (alpha_emit_set_long_const): Rewrite to be callable from reload
5214 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5215 * alpha.md (movdi): Likewise.
5217 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5219 * arm.c (add_constant): New parameter address_only, change caller.
5220 Set it non-zero if taking the address of an item in the pool.
5221 (arm_reorg): Handle cases where we need the address of an item in
5224 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5226 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5227 memory addresses that are not in standard canonical form.
5229 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5231 * README.C4X: New file with information about the c4x ports.
5232 * ginclude/va-c4x.h: New file for c4x varargs support.
5233 * config/c4x: New directory with c4x port files.
5235 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5237 * reload.c (find_reloads): Do not replace a pseudo with
5238 (MEM (reg_equiv_addr)) in the initializing insn for the
5241 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5243 * toplev.c (rest_of_compilation): Set bct_p on second call to
5245 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5247 (strength_reduce): Only call analyze_loop_iterations and
5248 insert_bct if bct_p set.
5249 (check_dbra_loop): Fix typo.
5250 (insert_bct): Use word_mode instead of SImode.
5251 (instrument_loop_bct): Likewise. Do not delete iteration count
5252 condition code generation insn. Initialize iteration count before
5254 * rtl.h (loop_optimize): Update prototype.
5256 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5257 not doubleword aligned.
5259 * rs6000.c (optimization_options): New function.
5260 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5261 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5262 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5263 first; cr1 can be used for FP record condition insns.
5265 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5267 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5270 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5273 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5275 (block_move_call): New function: Call a library routine to copy a
5277 (m32r_expand_block_move): New function: Expand a "movstrsi"
5278 pattern into a sequence of insns.
5279 (m32r_output_block_move): New function: Expand a
5280 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5281 (m32r_block_immediate_operand): New function: Return true if the
5282 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5284 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5286 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5288 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5290 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5292 * regmove.c (copy_src_to_dest): Check that modes match.
5294 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5296 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5298 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5300 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5301 narrower than FLOAT_REGS.
5303 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5305 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5307 * Makefile.in (old_gxx_include_dir): removed
5309 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5311 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5314 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5315 (sh_handle_pragma): Change function arguments to match new
5316 specification for HANDLE_PRAGMA.
5318 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5320 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5322 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5323 When generating output, initialize missing struct member to zero.
5325 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5327 * regmove.c (copy_src_to_dest): Don't copy if that requires
5328 (a) new register(s).
5330 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5332 * global.c (reg_allocno): Now static.
5333 * reload1.c (reg_allocno): Delete declaration.
5334 (order_regs_for_reload): Take no arguments. Don't treat regs
5335 allocated by global differently than those allocated by local-alloc.
5337 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5339 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5340 condition, fix format strings.
5341 (output_function_epilogue): Likewise.
5343 * m68k/m68k.c: Don't include <stdlib.h> directly.
5345 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5347 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5348 mem_first_set, mem_last_set; because 0 can be a CUID.
5349 (oprs_unchanged_p): Use new definition.
5350 (record_last_reg_set_info): Likewise.
5351 (record_last_mem_set_info): Likewise.
5352 (compute_hash_table): Likewise.
5354 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5356 * rs6000.c (output_epilogue): Handle Chill.
5358 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5359 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5361 * combine.c (make_extraction): If no mode is specified for
5362 an operand of insv, extv, or extzv, default it to word_mode.
5363 (simplify_comparison): Similarly.
5364 * expmed.c (store_bit_field): Similarly.
5365 (extract_bit_field): Similarly.
5366 * function.c (fixup_var_regs_1): Similarly.
5367 * recog.c (validate_replace_rtx_1): Similarly.
5368 * mips.md (extv, extzv, insv expanders): Default modes for most
5369 operands. Handle TARGET_64BIT.
5370 (movdi_uld, movdi_usd): New patterns.
5372 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5373 equivalent memory location unless we have been provided a scratch
5374 register. Similarly do not call find_replacement unless a
5375 scratch register has been provided.
5377 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5379 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5382 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5384 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5385 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5386 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5387 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5388 * c-decl.c (init_decl_processing): Update accordingly.
5389 * expr.c (expand_builtin): Likewise.
5391 * rtl.h (global_rtl): Add cfa entry.
5392 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5393 (LAST_VIRTUAL_REGISTER): Update.
5394 * emit-rtl.c (global_rtl): Add cfa entry.
5395 (init_emit): Initialize it.
5396 * function.c (cfa_offset): New.
5397 (instantiate_virtual_regs): Initialize it.
5398 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5399 (expand_function_end): Call expand_eh_return.
5400 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5402 * except.c (current_function_eh_stub_label): Kill.
5403 (current_function_eh_old_stub_label): Likwise; update all references.
5404 (expand_builtin_set_return_addr_reg): Kill.
5405 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5406 (expand_builtin_set_eh_regs): Kill.
5407 (eh_regs): Produce a third reg for the actual handler address.
5408 (eh_return_context, eh_return_stack_adjust): New.
5409 (eh_return_handler, eh_return_stub_label): New.
5410 (init_eh_for_function): Initialize them.
5411 (expand_builtin_eh_return, expand_eh_return): New.
5412 * except.h: Update prototypes.
5413 * flow.c (find_basic_blocks_1): Update references to the stub label.
5414 * function.h (struct function): Kill stub label elements.
5416 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5417 register number is one that would be in the previous window.
5418 Provide a dummy definition for non-windowed targets.
5419 (get_reg_addr): New function.
5420 (get_reg, put_reg, copy_reg): Use it.
5421 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5422 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5424 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5425 (alpha_init_expanders): Initialize it.
5426 (alpha_expand_epilogue): Use it.
5427 * alpha.h: Declare it.
5428 * alpha.md (eh_epilogue): New.
5430 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5431 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5433 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5435 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5438 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5440 * except.h (struct eh_entry): Add false_label field.
5441 (end_catch_handler): Add prototype.
5442 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5443 (start_catch_handler): When using old style exceptions, issue
5444 runtime typematch code before continuing with the handler.
5445 (end_catch_handler): New function, generates label after handler
5446 if needed by older style exceptions.
5447 (expand_start_all_catch): No need to check for new style exceptions.
5448 (output_exception_table_entry): Only output the first handler label
5449 for old style exceptions.
5450 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5451 mechanism into one function, if a runtime matcher is provided.
5453 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5455 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5457 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5459 * integrate.c (copy_decl_list): Fix typo.
5461 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5463 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5466 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5468 * version.c: Bump for snapshot.
5470 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5472 * version.c: Bump for snapshot.
5474 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5476 * version.c: Bump for snapshot.
5478 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5480 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5482 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5484 * configure.in: remove usage of `!' to negate the result of a
5485 command; some common shells do not support it
5487 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5489 * configure.in: in sparc9-sol2 config, use 'if test' not
5491 * configure: Rebuilt.
5493 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5495 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5496 (CPP_CPU_DEFAULT_SPEC): Likewise.
5497 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5498 for arch64 libfuncs.
5500 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5503 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5505 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5507 * collect2.c: Don't declare `sys_siglist' here.
5508 (my_strsignal): Prototype and define new function. Use it in
5509 place of `sys_siglist' hacks.
5511 * mips_tfile.c: Likewise.
5513 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5514 (GCC_NEED_DECLARATIONS): Likewise.
5516 * system.h (strsignal): Prototype it, if necessary.
5517 (sys_siglist): Declare it, if necessary.
5519 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5521 * loop.c (move_movables): While removing insn sequences, preserve
5522 the next pointer of the most recently deleted insn when we skip
5525 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5527 * objc/config-lang.in: Do not output the name of the selected
5528 thread file when building the front-end. The Makefile for the
5529 runtime library will do this.
5531 * objc/Make-lang.in: Do not build the runtime library or install
5532 the Objective C header files. The Makefile for the runtime
5533 library will do this.
5535 * objc/Makefile.in (all.indirect): Only build the front-end.
5536 (compiler): Rename to `frontend'.
5537 (obj-runtime): Remove target.
5538 (copy-headers): Likewise.
5539 (clean): No need to remove `libobjc.a' any longer.
5541 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5543 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5544 supported with -mcpu=xxx.
5546 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5548 * flow.c (mark_set_1): Recognize multi-register structure return
5549 values in CALL insns.
5550 (mark_used_regs): Likewise.
5551 (count_reg_sets_1): Likewise.
5552 (count_reg_references): Likewise.
5553 * rtlanal.c (note_stores): Likewise.
5554 (reg_overlap_mentioned_p): Likewise.
5555 * haifa-sched.c (check_live_1): Likewise.
5556 (update_live_1): Likewise.
5557 (sched_analyze_1): Likewise.
5558 (sched_note_set): Likewise.
5559 (birthing_insn_p): Likewise.
5560 (attach_deaths): Likewise.
5562 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5565 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5567 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5569 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5571 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5573 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5575 * configure.in: Add check for GAS subsection -1 support.
5576 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5577 * configure config.in: Rebuilt.
5578 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5579 SImode is subsection -1 works, else use DImode.
5580 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5581 subsection -1 works.
5582 * config/sparc/sparc.c (sparc_output_addr_vec,
5583 sparc_output_addr_diff_vec): Use them if defined.
5585 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5587 * tree.h (DECL_ORIGIN): New macro.
5588 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5589 (copy_decl_list): Use it.
5590 (integrate_parm_decls): Likewise.
5591 (integrate_decl_tree): Likewise.
5592 * dwarf2out.c (decl_ultimate_origin): Simplify.
5593 * dwarfout.c (decl_ultimate_origin): Likewise.
5594 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5595 (pushdecl): Likewise.
5597 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5599 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5601 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5603 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5605 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5607 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5608 empty or has a single entry.
5610 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5611 before calling reg_to_stack.
5613 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5615 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5616 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5618 * c-tree.h (warn_long_long): Declare it.
5620 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5622 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5623 initialized float-int union if the value is a NaN.
5625 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5627 * c-lex.c (real_yylex): Don't warn about long long constants if
5628 we're allowing long long
5630 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5632 * except.h (current_function_eh_stub_label): Declare.
5633 (current_function_eh_old_stub_label): Declare.
5634 * function.h (struct function): New members eh_stub_label and
5636 * except.c (current_function_eh_stub_label): New variable.
5637 (current_function_eh_old_stub_label): New variable.
5638 (init_eh_for_function): Clear them.
5639 (save_eh_status): Save them.
5640 (restore_eh_status): Restore them.
5641 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5642 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5643 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5644 make an edge from the block that contains it to the block starting
5645 with the label if this label is one of the eh stub labels.
5646 If eh stub labels exist, show they are reachable from the last block
5649 * reload1.c (reload): Break out several subroutines and make some
5651 (calculate_needs_all_insns): New function, broken out of reload.
5652 (calculate_needs): Likewise.
5653 (find_reload_regs): Likewise.
5654 (find_group): Likewise.
5655 (find_tworeg_group): Likewise.
5656 (something_needs_reloads): New global variable, formerly in reload.
5657 (something_needs_elimination): Likewise.
5658 (caller_save_spill_class): Likewise.
5659 (caller_save_group_size): Likewise.
5660 (max_needs): Likewise.
5661 (group_size): Likewise.
5662 (max_groups): Likewise.
5663 (max_nongroups): Likewise.
5664 (group_mode): Likewise.
5665 (max_needs_insn): Likewise.
5666 (max_groups_insn): Likewise.
5667 (max_nongroups_insn): Likewise.
5668 (failure): Likewise.
5670 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5672 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5674 * loop.c (load_mems): Copy rtx for output mem.
5676 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5678 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5679 mips1 or mips2 either.
5681 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5683 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5685 (pa_adjust_insn_length): Update to work with new marking scheme
5686 for jumps inside switch tables.
5687 * pa.md (switch_jump): Remove pattern.
5688 (jump): Handle jumps inside jump tables.
5690 * Makefile.in (profile.o): Depend on insn-config.h
5692 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5694 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5696 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5698 Add preliminary native sparcv9 Solaris support.
5699 * configure.in: Recognize sparv9-*-solaris2*
5700 * configure: rebuilt
5701 * config.sub: Recognize sparcv9 just like sparc64.
5702 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5703 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5704 32-bit and 64-bit Solaris systems.
5705 * config/sparc/t-sol2: Assemble those with cpp.
5706 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5707 (*TF*_LIBCALL): If ARCH64 use V9 names.
5708 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5710 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5712 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5713 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5715 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5717 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5718 to Pmode if CASE_VECTOR_MODE is something else.
5720 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5722 * prefix.c (update_path): Correctly handle cases where PATH is
5723 a substring of the builtin prefix, but specifies a different
5726 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5728 * expr.c: Corrected comment about what MOVE_RATIO does.
5729 * config/alpha/alpha.h: Ditto.
5730 * config/1750a/1750a.h: Ditto.
5731 * config/clipper/clipper.h: Ditto.
5732 * config/i386/i386.h: Ditto.
5734 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5736 * configure.in (m68k-next-nextstep3*): Use collect2.
5737 Similarly for x86 NeXT configurations.
5738 * configure: Rebuilt.
5740 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5742 * configure.in: Don't assume srcdir is .../gcc
5743 * configure: Rebuilt.
5745 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5747 * global.c: Update comments.
5748 (global_alloc): Assign allocation-numbers
5749 even for registers allocated by local_alloc in case
5750 they are later spilled and retry_global_alloc is called.
5751 (mark_reg_store, mark_reg_clobber,
5752 mark_reg_conflicts, mark_reg_death): Always record a
5753 conflict with a pseudo register even if it has been
5754 assigned to a hard register.
5755 (dump_conflicts): Don't list pseudo registers already assigned to
5756 a hard register as needing to be allocated, but do list their
5758 * local-alloc.c: Update comment.
5760 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5762 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5763 * configure: Rebuilt.
5765 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5767 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5769 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5770 for all targets that set -msoft-float.
5772 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5774 * toplev.c (print_switch_values): Make static to match prototype.
5776 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5778 * configure.in: If we are unable to find the "gnatbind" program,
5779 then do not configure the ada subdir.
5780 * configure: Rebuilt.
5782 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5784 * version.c: Bump for snapshot.
5786 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5788 * version.c: Bump for snapshot.
5790 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5792 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5793 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5795 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5797 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5799 * genextract.c: Have insn-extract.c include toplev.h.
5801 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5803 * toplev.c: Include expr.h.
5804 (really_sorry, fancy_abort): Remove prototypes.
5805 (set_target_switch): Add argument in prototype.
5806 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5807 (v_really_sorry): Likewise.
5808 (print_version, print_single_switch, print_switch_values): Make
5809 static and add prototype arguments.
5810 (decl_printable_name): Add prototype arguments.
5811 (lang_expand_expr_t): New typedef.
5812 (lang_expand_expr): Declare as a lang_expand_expr_t.
5813 (incomplete_decl_finalize_hook): Add prototype argument.
5814 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5815 (botch): Likewise for variable `s'.
5816 (rest_of_type_compilation): Mark variables `type' and `toplev'
5817 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5818 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5819 (display_help): Make variable `i' an `unsigned long'.
5820 (main): Remove unused parameter `envp'.
5821 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5822 Cast -1 when comparing it with a `size_t'.
5824 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5825 prototype with ATTRIBUTE_NORETURN.
5826 (fatal_insn_not_found, fatal_insn, really_sorry,
5827 push_float_handler, pop_float_handler): Add prototypes.
5828 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5829 (do_abort, botch): Add prototypes.
5831 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5833 * final.c (final): If a label is reached only from a single jump,
5834 call NOTICE_UPDATE_CC on the jump and its predecessor before
5835 emitting the insn after the label.
5837 * i386.h: Add AMD K6 support.
5838 Change TARGET_* macros to use table lookup.
5839 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5840 (ADJUST_COST): Change definition to call function in i386.c.
5841 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5842 * i386.c: Add AMD K6 support.
5843 Add constants for feature tests used by TARGET_* macros.
5844 (split_di): If before reload, call gen_lowpart and gen_highpart.
5845 (x86_adjust_cost): New function.
5846 (put_jump_code): New function.
5847 (print_operand): New codes 'D' and 'd'.
5848 * i386.md: New insn types. New insn attribute "memory".
5849 Redefine scheduling parameters to use new types and add AMD K6
5850 support. Explicitly set type of most insns.
5851 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5852 Pro and K6 prefer movl $1,reg to incl reg.
5853 (adddi3, subdi3): Set cc_status.
5854 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5855 to int; x86 can't have more than 2^31 DImode shifts per file.
5856 (setcc): Combine all setcc patterns. Allow writing memory.
5857 Combine all jump patterns using match_operator.
5858 (*bzero): Name pattern. Emit mutliple stos instructions when that
5859 is faster than rep stos.
5860 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5863 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5865 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5868 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5870 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5871 not whatever we're generating now.
5873 * alpha.c (set_frame_related_p, FRP): New.
5874 (alpha_expand_prologue): Mark frame related insns.
5875 (alpha_expand_epilogue): Likewise, but with a null FRP.
5876 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5877 * alpha.md (exception_receiver): New.
5878 * alpha/crtbegin.asm (.eh_frame): New beginning.
5879 (__do_frame_setup, __do_frame_takedown): New.
5880 * alpha/crtend.asm (.eh_frame): New ending.
5881 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5882 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5883 (ASM_FILE_START): Don't emit .file for dwarf2.
5885 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5886 * rtl.c (reg_note_name): Likewise.
5887 * rtl.texi (REG_NOTES): Likewise.
5888 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5891 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5893 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5894 * i386.md (movsf, movdf, movxf): Validate memory address returned
5895 from force_const_mem. Kill useless REG_EQUAL setting code.
5897 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5899 * m68k.md (zero_extendsidi2): Fix typo.
5901 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5903 * configure.in: Removed references to the removed file
5904 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
5905 * arm*-*-netbsd* and ns32k-*-netbsd*.
5906 * config/i386/xm-netbsd.h: Removed unnecessary file.
5907 * config/m68k/xm-netbsd.h: Likewise.
5908 * config/sparc/xm-netbsd.h: Likewise.
5909 * config/mips/xm-netbsd.h: Likewise.
5911 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
5913 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
5914 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
5916 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
5917 for exact section attributions.
5919 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
5921 * i386/crtdll.h (CPP_PREDEFINES): Define.
5923 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
5925 * m68k.md (5200 movqi): Do not allow byte sized memory references
5927 * m68k.c (output_move_qimode): Do not use byte sized operations on
5930 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
5931 explicit rules for building. Similarly for alloca, vfprintf,
5932 choose-temp and mkstemp, getopt, getopt1, and obstack.
5933 (INCLUDES): Add $(srcdir)/../include.
5934 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
5935 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
5937 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
5939 * gcc.c (do_spec_1): [case 'o'] Account for
5940 lang_specific_extra_outfiles.
5941 (main): Correctly clear all slots in outfiles for
5942 lang_specific_extra_outfiles. Set input_file_number before
5943 calling lang_specific_pre_link.
5945 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
5947 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
5949 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5951 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
5953 (sparc_output_deferred_case_vectors): If no work to do, return.
5954 Fix thinko in Sept 1 change.
5956 1998-09-03 SL Baur <steve@altair.xemacs.org>
5958 * Makefile.in: add semicolon in BISON definition for portability.
5960 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5962 * config/nextstep.c (handle_pragma): Correct name of third
5965 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
5967 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
5968 * config/m32r/m32r.h: Make register 17 be fixed.
5969 * config/m32r/m32r.c: Use SImode for cc operations.
5971 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
5973 * invoke.texi (Warning Options): Add -Wnon-template-friend
5976 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
5978 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
5980 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
5982 * rs6000.md (movsf): Disable explicit secondary-reload-like
5983 functionality if TARGET_POWERPC64.
5984 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
5987 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
5989 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
5990 and term.h from fixinc.wrap.
5992 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5994 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
5995 safe to include both string.h and strings.h together.
5996 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
5997 which headers to search for function declarations. Continue to
5998 prefer string.h over strings.h when both are not acceptable.
6000 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6002 * configure.in: Call GCC_HEADER_STRING.
6004 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6005 to include. Continue to prefer string.h over strings.h when both
6008 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6010 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6011 not assume top 32-bits of symbolic addresses are zero if
6014 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6016 * ginclude/va-alpha.h: Protect entire second portion of the
6017 file against double inclusion.
6019 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6021 Added support for the Boehm's garbage collector.
6022 * configure.in: Handle --enable-objc-gc.
6023 * configure: Rebuilt.
6024 * Makefile.in (CHECK_TARGETS): Add check-objc.
6025 (check-objc): New rule.
6026 * objc/Make-lang.in: Build a different Objective-C library that
6027 runs with the Boehm's collector.
6028 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6029 * objc/encoding.c: Correctly compute the size of compound types in
6030 the presence of bitfields. Skip the variable name of the type if
6031 any. Added support for long long.
6032 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6033 (_F_GCINVISIBLE): New mask.
6034 * objc/gc.c: New file. Compute the type memory mask associated with
6035 a class based on the runtime information.
6036 * objc/misc.c: Added the hooks that use the Boehm's collector
6037 allocation functions.
6038 * objc/objc-act.c (build_class_template): Generate a new class
6039 member (gc_object_type) to hold the class' type memory mask.
6040 (build_shared_structure_initializer): Initialize the new member to
6042 (encode_complete_bitfield): New function. Generate the new
6044 (encode_field_decl): Generate the new encoding only for the GNU
6046 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6048 (class_get_gc_object_type): New function to mark a pointer instance
6049 variable as a weak pointer.
6050 * objc/objc-features.texi: New file.
6051 * objc/objc.h (gc_object_type): New class member.
6052 * objc/objects.c (class_create_instance): Create a typed memory
6053 object when compiled with Boehm's collector support.
6054 * objc/sendmsg.c (__objc_init_install_dtable): Call
6055 __objc_send_initialize instead of setting the initialize flag.
6056 (__objc_send_initialize): Call __objc_generate_gc_type_description
6057 to generate the class type memory mask. Rewrite the code that
6058 sends the +initialize so that it is called only once (bug report
6059 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6060 * testsuite/objc: New testsuite for Objective-C type encoding.
6061 * testsuite/lib/objc-torture.exp: New file.
6062 * testsuite/lib/objc.exp: New file.
6064 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6066 * jump.c (jump_optimize): In if/then/else transformations, add
6067 another call to modified_between_p for the jump insn.
6069 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6071 * fix-header.c (symlink): Treat like readlink.
6073 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6075 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6078 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6080 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6081 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6082 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6084 * config/nextstep.c (handle_pragma): Take three arguments, as per
6085 the new HANDLE_PRAGMA macro specification.
6086 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6087 per the new HANDLE_PRAGMA macro specification.
6088 * config/i960/i960.c (process_pragma): Take three arguments, as
6089 per the new HANDLE_PRAGMA macro specification.
6091 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6093 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6094 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6095 if unknown pragmas are encountered.
6096 (handle_sysv_pragma): Interpret return code from
6097 handle_pragma_token (). Return success/failure indication rather
6098 than next unprocessed character.
6099 (pragma_getc): New function: retrieves characters from the
6100 input stream. Defined when HANDLE_PRAGMA is enabled.
6101 (pragma_ungetc): New function: replaces characters back into the
6102 input stream. Defined when HANDLE_PRAGMA is enabled.
6104 * c-pragma.c (handle_pragma_token): Return success/failure status
6107 * c-pragma.h: Change prototype of handle_pragma_token().
6109 * varasm.c: (handle_pragma_weak): Only create this function if
6110 HANDLE_PRAGMA_WEAK is defined.
6112 * c-common,c (decl_attributes): If defined call the expression
6113 contained within the INSERT_ATTRIBUTES macro before adding
6114 attributes to a decl.
6116 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6117 HANDLE_PRAGMA, which takes three arguments.
6118 (INSERT_ATTRIBUTES): Document this new macro.
6120 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6121 new INSERT_ATTRIBUTES macro.
6123 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6125 * config/sparc/sparc.md (movdf): Only generate special RTL for
6126 LABEL_REFs when PIC.
6127 (move_label_di): Remove
6128 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6129 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6130 references when PIC.
6131 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6132 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6133 output an .xword for all 64-bit cases.
6135 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6137 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6138 alignment, use FUNCTION_BOUNDARY instead.
6139 (sparc_output_deferred_case_vectors): Likewise.
6141 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6143 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6144 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6146 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6148 * alpha/va_list.h: New file.
6149 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6151 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6153 * NEWS: Add SCO Openserver and Unixware 7 notes.
6157 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6159 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6160 (record_constant_1): Handle RANGE_EXPR.
6162 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6164 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6165 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6166 and NOTE_INSN_RANGE_END specially.
6167 (reemit_notes): Likewise.
6169 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6171 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6172 (ultrasparc_sched_init): Remove unneeded &.
6174 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6176 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6177 for m68020-60, to prevent the use of fintrz.
6179 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6181 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6183 * Makefile.in: Likewise.
6184 * configure: Regenerated.
6186 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6188 * configure.in (gxx_include_dir): Changed to
6189 '${prefix}/include/g++'-${libstdcxx_interface}.
6190 * configure: Rebuilt.
6192 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6194 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6196 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6197 *sequences* *below* which scalar moves will be used.
6199 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6201 * collect2.c (mktemp): Delete unused declaration.
6203 * config/xm-netbsd.h: Remove unnecessary file.
6204 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6205 file anymore, it is not needed.
6207 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6209 * convert.c (convert_to_integer): Issue an error on conversions to
6212 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6214 * Makefile.in: Add lang_tree_files and gencheck.h.
6215 * configure.in: Generate them.
6216 * gencheck.c: Include gencheck.h.
6218 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6220 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6221 movdi_lo_sum_pic and movdi_high_pic and make visible.
6222 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6223 emit these when Pmode is not SImode.
6224 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6226 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6228 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6229 .linkonce directive after the first time.
6231 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6233 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6234 the clobbered operand overlaps with an input.
6235 (bne0_di): Similarly.
6237 * Makefile.in (INSTALL): Remove "--no-header" argument.
6239 * NEWS: Various updates.
6241 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6243 * config/sparc/sparc.c (arith_operand, const64_operand,
6244 const64_high_operand, arith_double_4096_operand): Mark mode as
6246 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6248 (sparc_emit_set_const64): Remove unused variable i.
6249 (sparc_splitdi_legitimate): Likewise for addr_part.
6250 (ultra_code_from_mask): Likewise for mask.
6251 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6252 reverse return values so it matches usage and comments.
6253 (ultra_flush_pipeline): Likewise.
6254 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6255 this_type, and allow loads and stores of differing FP modes as
6256 they do not create a conflict.
6257 (ultra_find_type): Initialize fpmode to SFmode, fix
6258 parenthesization thinkos in large conditional.
6259 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6260 Init free_slot_mask after ultra_cur_hist is reset, not before.
6261 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6262 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6263 use ultra_flush_pipeline instead, then re-init group pointer.
6264 Fix statement with no effect. If no progress made in, and no
6265 instructions scheduled at all, advance to new pipeline cycle else
6266 we get into an endless loop.
6267 (ultrasparc_adjust_cost): Remove previous arg.
6268 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6270 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6272 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6273 code. Use reg_overlap_mentioned_p to detect when source and
6274 destination overlap.
6275 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6277 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6279 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6280 COMPARISON_VAL, into invariant_p.
6282 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6284 * regmove.c (regclass_compatible_p): New function.
6285 (regmove_optimize): Use it.
6287 Use NREGS parameter insted of calling max_reg_num.
6289 (fixup_match_1): Don't use code = MINUS when later tieing with
6290 a hard register is likely.
6292 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6294 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6295 COMPARISON_VAL was normalized.
6297 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6299 * loop.c (check_dbra_loop): The loop ending comparison value
6300 must be an invariant or we can not reverse the loop.
6302 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6303 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6305 (load_mems_and_recount_loop_regs_set): Likewise.
6307 * i386.c (print_operand): Remove obsolete 'c' docs.
6309 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6311 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6312 * frame.c (init_object_mutex): New function.
6313 (init_object_mutex_once): Likewise.
6314 (find_fde): Call it.
6315 (__register_frame_info): Likewise.
6316 (__register_frame_info_table): Likewise.
6317 (__deregister_frame_info): Likewise.
6319 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6321 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6323 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6325 * loop.c (check_dbra_loop): Enable code for reversal
6326 of some loops without a known constant loop end.
6328 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6330 * haifa-sched.c (last_clock_var): New.
6331 (schedule_block): Initialize it.
6332 (schedule_insn): Use it to fill insn modes with issue information.
6334 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6335 Tag trapb and next insn with TImode.
6336 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6337 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6338 Invoke alphaev5_align_insns as appropriate.
6339 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6340 (MD_SCHED_VARIABLE_ISSUE): New.
6341 * alpha.md (attr type): Add multi.
6342 (define_asm_attributes): New.
6343 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6344 (arg_home): Likewise.
6345 (fnop, unop, realign): New.
6347 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6349 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6350 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6352 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6353 (rs6000-ibm-aix4.[12]*): Likewise.
6354 * configure: Regnerate.
6356 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6358 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6359 already contains the return address.
6361 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6363 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6364 word sized hunks when loading unaligned args into registers.
6366 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6367 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6369 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6371 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6373 * loop.c (check_dbra_loop): Add some code that would allow reversal
6374 of some loops without a known constant loop end if it were enabled.
6376 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6378 * mips.md (lshrsi3_internal2+2): Fix type-o.
6380 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6382 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6383 correctly with regards to stdio.h.
6385 * calls.c: Remove stdarg.h/varargs.h.
6388 * combine.c: Likewise.
6389 * cpperror.c: Likewise.
6390 * cpplib.c: Likewise.
6391 * cpplib.h: Likewise.
6392 * doprint.c: Likewise.
6393 * emit-rtl.c: Likewise.
6394 * final.c: Likewise.
6395 * fix-header.c: Likewise.
6397 * genattr.c: Likewise.
6398 * genattrtab.c: Likewise.
6399 * gencodes.c: Likewise.
6400 * genconfig.c: Likewise.
6401 * genemit.c: Likewise.
6402 * genextract.c: Likewise.
6403 * genflags.c: Likewise.
6404 * genopinit.c: Likewise.
6405 * genoutput.c: Likewise.
6406 * genpeep.c: Likewise.
6407 * genrecog.c: Likewise.
6408 * mips-tfile.c: Likewise.
6409 * prefix.c: Likewise.
6410 * protoize.c: Likewise.
6411 * regmove.c: Likewise.
6412 * toplev.c: Likewise.
6415 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6417 * config/sparc/sparc.c (sparc_override_options): If not
6418 TARGET_FPU, turn off TARGET_VIS.
6419 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6420 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6421 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6422 (movdi_insn_sp64): Add VIS fzero alternative.
6423 (clear_sf, clear_df): New VIS patterns.
6424 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6426 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6428 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6430 * loop.c (n_times_set, n_times_used, may_not_optimize,
6431 reg_single_usage): Convert to varrays. All uses changed.
6432 (insert_loop_mem): Return a value.
6433 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6434 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6437 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6440 * configure.in: Do not set thread_file to "irix" since no such
6443 * sparc.md (float abs/neg splits): Check reload_completed before
6444 calling alter_subreg.
6446 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6448 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6450 * config/sparc/sparc.h: Declare it.
6451 * config/sparc/sparc.md (float abs/neg splits): Use it.
6452 (all other splits): Handle SUBREGs properly where necessary.
6453 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6455 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6457 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6458 an insn on the unfilled_slots_list that has no delay slots.
6459 (fill_eager_delay_slots): Similarly.
6461 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6463 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6464 as an ordinary operand.
6466 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6468 * tree.c (valid_machine_attribute): Don't apply attributes to both
6471 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6473 * reload.c (operands_match_p): Handle rtvecs.
6475 * i386.c (legitimate_pic_address_disp_p): New.
6476 (legitimate_address_p): Use it.
6477 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6478 Handle constant pool symbols just like statics.
6479 (emit_pic_move): Use Pmode not SImode for clarity.
6480 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6481 [UNSPEC]: New, handling what we killed above.
6482 [PLUS]: Detect and abort on invalid symbol arithmetic.
6483 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6485 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6487 * alias.c: Include output.h.
6488 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6489 different if we're in a varargs function.
6490 * Makefile.in (alias.o): Depend on output.h
6492 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6494 * sh.h (GIV_SORT_CRITERION): Delete.
6496 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6498 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6499 * stupid.c (stupid_life_analysis): Ditto.
6500 * reload1.c (reload): Ditto.
6502 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6504 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6505 arith_double_4096_operand, arith_double_add_operand): New
6507 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6508 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6509 them to transform add/sub 4096 into add/sub -4096.
6511 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6513 * loop.c (scan_loop): Allocate some slop to handle pseudos
6514 generated by move_movables.
6515 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6518 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6520 * tree.def (DECL_RESULT): Correct documentation.
6522 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6524 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6525 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6526 conflicts will all RELOAD_FOR_OUTPUT reloads.
6528 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6529 loads the function result, substitute with a USE.
6531 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6533 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6534 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6535 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6536 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6537 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6538 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6540 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6541 'o' to 'm' for GPR variant constraints.
6543 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6545 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6547 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6549 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6550 when the source and destination overlap.
6552 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6553 clash with global type.
6555 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6557 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6559 * c-common.c (combine_strings): Also set TREE_READONLY.
6560 Change warn_write_strings to flag_const_strings.
6561 * c-decl.c, c-tree.h: Likewise.
6563 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6565 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6566 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6567 sequence, use SET/IOR instead so CSE can see it.
6568 * config/sparc/sparc.md (movhi_const64_special,
6569 movsi_const64_special): New patterns necessitated by that change.
6570 (movhi_high): Remove.
6571 (movhi_lo_sum): Change to match an IOR.
6572 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6573 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6574 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6575 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6576 registers are involved.
6577 (snesi_zero_extend split): Remove reload_completed test.
6578 (unnamed plus and minus zero_extend sidi splits): Add it.
6580 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6582 * extend.texi: Remove description of extension to explicit
6583 instantiation that is now endorsed by standard C++.
6585 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6587 * config/arc/arc.c (arc_initialize_pic): Remove.
6588 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6589 nothing on any platform and is invoked by no-one, it does not even
6590 appear in the documentation.
6591 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6592 * config/sparc/sparc.c (initialize_pic): Likewise.
6593 (find_addr_reg): Remove this as well, no longer referenced after
6596 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6598 * recog.c (validate_replace_rtx_group): New function.
6599 * recog.h (validate_replace_rtx_group): Declare it.
6600 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6601 the entire group of substitutions.
6603 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6605 * loop.c (load_mems): Fix initializers.
6607 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6609 * config/sparc/sparc.md (TFmode splits): Handle destination
6610 registers being referenced in the address correctly.
6612 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6613 TREE_UNSIGNED, when bitsize of type's mode is larger than
6614 HOST_BITS_PER_WIDE_INT.
6616 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6618 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6619 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6620 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6622 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6625 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6627 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6628 * h8300.h (TINY_DATA_NAME_P): Likewise.
6629 (STRIP_NAME_ENCODING): Handle '&'.
6631 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6632 register (it could be accessed via an outer SUBREG).
6633 (REG_OK_FOR_BASE_P): Likewwise.
6634 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6636 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6639 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6641 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6643 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6644 must be offsettable so the splits can be made.
6646 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6648 * config/i386/winnt.c: Include system.h, not stdio.h to get
6649 sys/param.h pulled in before rtl.h in case the system defines MIN
6652 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6654 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6656 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6658 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6660 * cpplib.c (cpp_define): Handle macros with parameters.
6662 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6664 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6665 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6666 and DImode 64-bit. Use llong for minimal-toc SFmode and
6667 SYMBOL_REF / LABEL_REF 64-bit.
6668 (output_function_profiler): Use llong for profiler label and ld to
6669 load 64-bit label address.
6671 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6673 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6676 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6678 * version.c: Bump for snapshot.
6680 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6682 * version.c: Bump for snapshot.
6684 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6686 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6688 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6690 * tm.texi (Misc): Fix typo "teh".
6692 * tm.texi (PIC): Fix typo "PPIC".
6694 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6695 effect when -O2 and higher.
6696 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6698 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6700 * regclass.c: Changed register set documentation to be consistent
6703 * final.c (final_start_function) Removed redundant test for
6706 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6708 * rtl.h (rtx_function): New type.
6709 (for_each_rtx): New function.
6710 * rtlanal.c (for_each_rtx): Define it.
6712 * recog.c (change_t): New type.
6713 (change_objects, change_old_codes, change_locs, change_olds):
6715 (changes): New variable.
6716 (validate_change): Dynamically allocate room for more changes, if
6717 necessary. Uses changes array instead of change_objects, etc.
6718 (apply_change_group): Use changes array instead of
6719 change_objects, etc.
6721 * loop.c (loop_mem_info): New type.
6722 (loop_mems): New variable.
6723 (loop_mems_idx): Likewise.
6724 (looop_mems_allocated): Likewise.
6725 (scan_loop): Remove nregs parameter.
6726 (next_insn_in_loop): New function.
6727 (load_mems_and_recount_loop_regs_set): Likewise.
6728 (load_mems): Likewise.
6729 (insert_loop_mem): Likewise.
6730 (replace_loop_mem): Likewise.
6731 (replace_label): Likewise.
6732 (INSN_IN_RANGE_P): New macro.
6733 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6734 (scan_loop): Remove nregs parameter, compute it after any new
6735 registers are created by load_mems. Use INSN_IN_RANGE_P and
6736 next_insn_in_loop rather than expanding them inline. Call
6737 load_mems to load memory into pseudos, if appropriate.
6738 (prescan_loop): Figure out whether or not there are jumps from the
6739 loop to targets other than the label immediately following the
6740 loop. Call insert_loop_mem to notice all the MEMs used in the
6741 loop, if it could be safe to pull MEMs into REGs for the duration
6743 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6745 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6747 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6749 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6751 * config/sparc/sparc.c (finalize_pic): Check for the correct
6752 nonlocal_goto_receiver UNSPEC number.
6753 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6754 making note of this dependency existing in sparc.c
6755 (negtf2_notv9 split): Give NEG SFmode.
6756 (negsf2): Fix insn output string.
6758 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6760 * c-common.c (decl_attributes): Issue an error if the argument
6761 to alias is not a string.
6763 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6765 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6766 pending memory flush list.
6768 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6770 (try_combine): Allow combining insns with REG_LIBCALL notes.
6772 * expr.c (emit_block_move): Do not call memcpy as a libcall
6773 instead build up a CALL_EXPR and call it like any other
6775 (clear_storage): Similarly for memset.
6777 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6780 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6783 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6784 and REG_LIVE_LENGTH as successful substitutions are made.
6786 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6788 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6789 statement after end of loop label.
6791 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6793 * config/sparc/sparc.c (ultra_types_avail): New variable.
6794 (ultra_build_types_avail): New function to record mask of insn
6795 types in ready list at this cycle.
6796 (ultrasparc_sched_reorder): Call it.
6797 (ultra_find_type): Use it to quicken the search. Also simplif
6798 dependency check, don't use rtx_equal_p because we know exactly
6799 what we are looking for.
6801 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6803 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6804 for architecture v4.
6806 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6808 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6810 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6811 movdf_const_intreg and helper splits): New patterns to move float
6812 constants into integer registers.
6813 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6816 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6819 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6821 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6823 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6824 a BASE_REGS register is needed as an intermediate when copying
6825 a symbolic value into any register class other than BASE_REGS.
6827 * expr.c (move_by_pieces): No longer static. Remove prototype.
6828 * rtl.h (move_by_pieces): Add extern prototype.
6829 * mips.c (expand_block_move): Handle aligned straight line copy by
6830 calling move_by_pieces.
6832 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6835 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6837 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6838 jumps out of the loop to be treated as part of the exit test.
6840 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6841 Jeff Law <law@cygnus.com>
6843 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6844 * cplus-dem.c: Delete.
6846 * Makefile.in (fold-const.o): depend on $(RTL_H).
6848 * fold-const.c: Include rtl.h to get the prototype for
6849 `set_identifier_local_value'.
6851 * loop.c (express_from_1): Remove unused variable `tmp'.
6852 (combine_givs): cast the first argument of bzero to char *.
6854 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6856 * c-decl.c (init_decl_processing): Remove unneeded &.
6858 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6860 * except.c (set_exception_lang_code, set_exception_version_code):
6861 Change parameter from `short' to `int' to avoid using a gcc
6864 * except.h (set_exception_lang_code, set_exception_version_code):
6865 Likewise for prototypes.
6867 * flow.c (count_reg_references): Remove unused variables `regno'
6870 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6872 * prefix.c (translate_name): Cast the result of `alloca'.
6874 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6876 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6878 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6880 (valid_dbcc_comparison_p): Mark mode argument as unused.
6881 (symbolic_operand): Likewise.
6882 (legitimize_pic_address): Likewise.
6883 (const_uint32_operand): Likewise.
6884 (const_sint32_operand): Likewise.
6885 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6886 schedule_insns and comment out rest of file.
6888 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6890 (output_move_[hq]imode): Likewise.
6892 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6894 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6895 * invoke.texi: Corresponding changes.
6897 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6899 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6901 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6903 * config/sparc/sparc.c (ultra_code_from_mask,
6904 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
6905 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
6906 ultrasparc_sched_init, ultrasparc_variable_issue,
6907 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
6908 functions to describe UltraSPARC pipeline exactly to Haifa.
6909 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
6910 as there is nothing the scheduler can do about it. Indicate that
6911 REG_DEP_OUTPUT's collide. Fixup formatting.
6912 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
6913 divide costs on Ultra for DImode.
6914 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
6916 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
6917 ieuN and add call_no_delay_slot to type list.
6918 (cti function unit): New unit for branches on UltraSPARC.
6919 (subx/addx insns): Set type to misc.
6920 (sidi zero/sign extension insns on arch64): Set type to shift.
6921 (sign_extendhidi2_insn): Set type to sload.
6923 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
6925 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
6926 (output_epilog): Use if != 0 for offset.
6927 (rs6000_fatal_bad_address): Prepare for Intl.
6928 * rs6000.h (rs6000_fatal_bad_address): Declare.
6929 * rs6000.md (movsfcc, movdfcc): Use else if.
6930 (elf_high): Use {liu|lis}.
6931 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
6932 (movsi): Use rs6000_fatal_bad_address.
6934 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
6936 * reload.c (find_equiv_reg): Reject equivalences separated
6937 by a volatile instruction.
6939 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6941 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
6943 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
6945 * alpha.md (movsicc): Fix mode mismatch.
6947 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
6949 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
6951 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
6953 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6955 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
6956 write-only modifier from operand 1 constraint.
6958 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6960 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
6961 emitting a XOR of -1 at the end, emit a NOT instead for combine's
6963 (sparc_emit_set_const64): Likewise, also when computing trailing
6964 bits do not negate low_bits and make fast_int an int.
6966 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
6968 * loop.c (add_label_notes): Do not ignore references to labels
6969 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
6970 * gcse.c (add_label_notes): Similarly.
6972 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
6974 * m68k.md (adddi_dilshr32): One of the operands must be a register.
6975 (adddi_dishl32): Similarly.
6977 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
6979 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
6980 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
6981 * cse.c (cse_basic_block): Add parens to shut up warnings.
6983 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6985 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
6986 sparc_emit_set_const64_longway, const64_is_2insns,
6987 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
6988 in 64-bit constant formation.
6989 * config/sparc/sparc.md (snesi_zero_extend split): Generate
6990 rtl for addx not subx.
6991 (define_insn movdi_const64_special): Make available even when
6992 HOST_BITS_PER_WIDE_INT is not 64.
6993 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
6994 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
6995 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
6996 instances of operand 1 inside a QI subreg.
6997 (xordi3_sp64_dbl): Remove '%' constraint for op1.
6998 (one_cmpldi2_sp64): Fix output string.
6999 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7001 (unnamed arch64 ashift DI): Truncate shift count if greater than
7004 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7006 * expr.c (store_expr): Don't optimize away load-store pair
7007 when either source or destination have a side effect.
7009 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7011 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7012 operands of SET are incompatible.
7014 * alpha.md: Fix max and min patterns so modes of SET operands match.
7016 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7018 * configure.in: Avoid [[ by using test and changequote.
7019 * configure: Rebuild.
7021 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7023 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7025 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7026 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7027 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7028 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7029 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7030 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7031 Fix mismatching modes in SET operands.
7032 (conditional move patterns): Fix formatting.
7033 (unnamed subx arch64 pattern): Remove duplicate insn.
7035 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7037 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7038 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7039 (input_operand): Fixup test for what we accept for constant
7041 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7043 (safe_constDI): Remove.
7044 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7045 gen_safe_XOR64): New functions.
7046 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7047 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7049 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7050 available when HOST_BITS_PER_WIDE_INT is not 64.
7051 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7052 move before movdi_insn_sp64 pattern.
7053 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7054 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7055 symbolic_operand as predicate for second operand.
7056 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7057 expander): Give set VOIDmode.
7059 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7061 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7063 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7065 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7067 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7069 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7071 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7073 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7075 * install.texi: Various SCO OpenServer tweaks.
7077 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7079 * reload1.c (eliminate_regs_in_insn): Handle another case when
7080 eliminating the frame pointer to the hard frame pointer. Add
7081 missing ep->to_rtx check to one existing case.
7083 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7085 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7087 * tree.h: De-conditionalize init_priority code.
7089 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7090 * collect2.c (NM_FLAGS): Change from -p to -n.
7092 * configure.in: Turn on collect2 for mipstx39-elf.
7093 Handle use_collect2=no properly.
7095 * c-common.c: De-conditionalize init_priority code.
7096 * collect2.c (extract_init_priority, sort_ids): New fns.
7097 (main): Call sort_ids.
7098 Move sequence_number to file scope.
7100 * configure.in: Handle --enable-init-priority.
7101 * c-common.c (attrs): Add A_INIT_PRIORITY.
7102 (init_attributes, decl_attributes): Likewise.
7103 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7104 * tree.c (get_file_function_name_long): Split out...
7105 (get_file_function_name): ...from here.
7107 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7109 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7112 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7114 * toplev.c (display_help): Add braces to shut up warnings.
7115 * tree.c (simple_cst_equal): Likewise.
7117 * fold-const.c (non_lvalue): Don't deal with null pointer
7119 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7121 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7122 of any size to a pointer.
7124 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7126 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7128 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7130 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7131 which will be saved.
7132 * mn10300.md (prologue insn): Only save registers which need saving.
7133 (epilogue insn): Similarly.
7135 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7138 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7140 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7141 VAR_DECL's in gp addressable sections.
7143 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7145 * sparc.c: Change return <exp> to <exp>; return; in functions
7147 * sparc.md: Add empty semicolon statement after final label in
7150 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7152 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7153 addx_extend_sp64, only allow when TARGET_ARCH64.
7154 (define_insn addx_extend_sp32 and split): Version that works when
7156 (define_insn subx_extend): Likewise.
7157 (define_split adddi3 and subdi3 with zero extension): Fixup and
7158 correct bugs when not TARGET_ARCH64.
7160 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7162 * except.c (set_exception_lang_code, set_exception_version_code):
7163 Use prototype-style definition if __STDC__, to match declaration
7166 * genemit.c: Change FAIL and DONE macros not to use loops.
7168 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7170 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7171 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7173 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7175 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7177 * README.g77: Update from Craig.
7179 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7181 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7183 (safe_constDI sparc_emit_set_const64_quick1,
7184 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7185 analyze_64bit_constant, const64_is_2insns,
7186 create_simple_focus_bits): Fix some bugs when compiled on real
7188 (function_arg_record_value_3, function_arg_record_value_2,
7189 function_arg_record_value): Add fully prototyped forward decls.
7190 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7191 to cmpsi_insn and use on both 64 and 32 bit targets.
7192 (define_insn cmpsi_insn_sp64): Remove.
7193 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7194 (define_insn zero_extendsidi2_insn): Rename to
7195 zero_extendsidi2_insn_sp64.
7196 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7197 assosciated forced split for it.
7199 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7201 * config/sparc/sparc.h: Declare them.
7202 (PREDICATE_CODES): Add them.
7203 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7204 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7206 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7208 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7209 in v9 case as the latter makes the Solaris assembler crash.
7211 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7213 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7214 for TFmode when !v9. We require offsettable memory addresses.
7215 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7216 DFmode register number conversions.
7217 * config/sparc/sparc.md (define_split DFmode moves): If register
7218 is a SUBREG do alter_subreg on it before using.
7219 (define_expand movtf): Fixup comment about alignment on v9.
7220 (define_split TFmode moves): Don't use gen_{high,low}part, create
7221 explicit SUBREGs instead.
7223 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7225 * Makefile.in (mbchar.o): Depend on mbchar.c.
7227 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7228 Richard Henderson <rth@cygnus.com>
7230 Rewrite Sparc backend for better code generation and
7231 improved sparc64 support.
7232 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7234 * config/sparc/sysv4.h: Likewise.
7235 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7236 move_operand, v8plus_regcmp_op, emit_move_sequence,
7237 singlemove_string, doublemove_string, mem_aligned_8,
7238 output_move_double, output_move_quad, output_fp_move_double,
7239 move_quad_direction, output_fp_move_quad, output_scc_insn):
7241 (small_int_or_double): New predicate.
7242 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7243 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7244 old pic_{sethi,lo_sum}_si patterns.
7245 (mem_min_alignment): New generic function to replace
7246 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7247 available and can test for arbitrary alignments. All callers
7249 (save_regs, restore_regs, build_big_number,
7250 output_function_prologue, output_cbranch, output_return,
7251 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7252 sparc_flat_output_function_epilogue): Prettify
7254 (output_function_epilogue): Likewise and add code to output
7255 deferred case vectors.
7256 (output_v9branch): Likewise, add new arg INSN and use it to tack
7257 on branch prediction settings. All callers changed.
7258 (print_operand): Likewise and output %l44 for LO_SUMs when
7260 (sparc_splitdi_legitimate): New function to make sure DImode
7261 splits can be run properly when !arch64.
7262 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7263 Reformat example code in comments.
7264 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7265 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7266 of deferred case vectors we need to output.
7267 (sparc_defer_case_vector): Record a case vector.
7268 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7269 sparc_output_deferred_case_vectors): New functions to output them.
7270 (sparc_emit_set_const32): New function to form 32-bit constants in
7271 registers when that requires more than one instruction.
7272 (safe_constDI, sparc_emit_set_const64_quick1,
7273 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7274 analyze_64bit_constant, const64_is_2insns,
7275 create_simple_focus_bits, sparc_emit_set_const64): New functions
7276 which do the same for 64-bit constants when arch64.
7277 (sparc_emit_set_symbolic_const64): New function to emit address
7278 loading for all code models on v9.
7279 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7280 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7281 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7282 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7283 inaccuracies in comments, add symbolic and text_segment operands
7284 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7285 GENERAL_REGS in these cases as a temp REG is needed to load these
7286 addresses into a register properly.
7287 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7289 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7290 quads are guarenteed to have 16-byte alignment.
7291 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7292 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7293 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7294 deferred case vector implementation.
7295 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7296 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7297 Generate "internal label - label" instead of "label - 1b".
7298 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7299 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7300 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7302 (doublemove_string, output_block_move, output_fp_move_double,
7303 output_fp_move_quad, output_move_double, output_move_quad,
7304 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7305 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7306 (sparc_emit_set_const32, sparc_emit_set_const64,
7307 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7308 mem_min_alignment, small_int_or_double): Add externs.
7309 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7310 UNSPEC_VOLATILE in this backend.
7311 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7312 unary to types which execute in it.
7313 (define_function_unit ieu_shift): Rename to ieu0.
7314 (define_function_unit ieu1): New, executes compare, call, and
7315 uncond_branch type insns.
7316 (define_function_units for type fdivs, fdivd, fsqrt): These
7317 execute in the fpu multiply unit not the adder on UltraSparc.
7318 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7319 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7320 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7321 allows the arith_double_operand predicate and rHI constraint when
7323 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7324 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7325 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7326 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7327 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7328 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7329 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7330 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7331 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7332 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7333 sign_extendqihi2_insn, sign_extendqisi2_insn,
7334 sign_extendqidi2_insn, sign_extendhidi2_insn,
7335 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7336 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7337 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7338 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7339 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7340 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7341 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7342 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7343 smulsi3_highpart_v8plus, unnamed subreg mult,
7344 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7345 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7346 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7347 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7348 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7349 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7350 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7351 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7352 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7353 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7354 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7355 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7356 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7357 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7358 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7359 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7360 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7361 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7362 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7363 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7364 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7365 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7366 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7367 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7368 call_address_untyped_struct_value_sp32,
7369 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7370 call_value_symbolic_sp32, call_value_address_sp64,
7371 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7372 flush_register_windows, goto_handler_and_restore,
7373 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7374 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7375 return_addsi, return_di, return_adddi, return_sf, all call+jump
7376 peepholes, trap, unnamed trap insns): Prettify output strings.
7377 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7378 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7379 Likewise and force + implement splits for integer cases.
7380 (define_insn return_sf_no_fpu): Likewise and allow to match when
7381 no-fpu because of our subreg SFmode splits.
7382 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7383 zero_extendqidi2_insn, zero_extendhidi2_insn,
7384 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7385 input_operand for second operand.
7386 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7387 reg_or_0_operand for operand 2 so new splits can use it.
7388 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7389 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7391 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7392 CONST_DOUBLEs for operand 2.
7393 (define_insn move_label_di): Likewise and label distance
7394 optimization because it no longer works with new deferred case
7395 vector scheme. To be revisited.
7396 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7397 and allow reg_or_0_operand and J constraint for second operand.
7398 (define_insn jump): Set branch predict taken on V9.
7399 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7400 new deferred case vector scheme.
7401 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7402 (define_insn negdi2_sp32): Force + implement splits.
7403 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7404 one_cmplsi2_not_liveg0 respectively, and create expander of original
7405 names which emit special rtl for TARGET_LIVE_G0.
7406 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7407 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7408 gen_compare_reg, FAIL instead.
7409 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7410 values when trying to reverse condition codes, if they FAIL then
7412 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7413 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7414 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7415 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7416 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7417 set output string to # to indicate they are mandatory splits.
7418 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7419 pic_sethi_di, move_pic_label_si): Remove.
7420 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7421 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7423 (define_expand movsi_pic_label_ref, define_insn
7424 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7425 expander and insns to handle PIC label references and deferred
7427 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7429 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7430 Rewrite to not use emit_move_sequence, make use of new constant
7431 formation code, and new splits for all multi-insn cases.
7432 (define_insn movqi_insn): Remove sethi case, it can never happen.
7433 Use reg_or_zero_operand instead of const0_rtx explicit test,
7434 use input_operand instead of move_operand for source, and use
7435 general_operand now for dest.
7436 (define_insn movhi_insn): Similar but leave sethi case.
7437 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7438 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7439 movhi_lo_sum respectively, prettify output string.
7440 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7441 register when needed on TARGET_LIVE_G0.
7442 (define_insn movsi_insn): Use general_operand and input_operand
7443 for dest and src respectively. Simplify applicability test.
7444 Prettify output strings, and add clr alternative for J
7446 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7447 deprecated std and reg-reg DI moves): Remove and...
7448 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7449 implementation which uses forced splits for all non-single insn
7451 (define_split DI move cases on !arch64): New splits to handle all
7452 situations of 64-bit double register DImode on 32bit, and
7453 unaligned registers and memory addresses for all subtargets.
7454 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7456 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7457 input_operand for dest and src respectively, prettify output
7459 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7460 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7462 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7463 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7464 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7465 movtf_no_e_insn_sp64) Replace with new
7466 implementation which uses forced splits for all non-single insn
7468 (define_split DF move cases): New splits in similar vein to DI
7470 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7471 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7472 movdi_sp64_insn): Remove old v9 code model and constant loading
7474 (define_insn pic_lo_sum_di, pic_sethi_di,
7475 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7476 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7477 embmedany_sethi, embmedany_losum, embmedany_brsum,
7478 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7479 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7480 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7481 scheme, using unspecs, secondary reloads, and one to one sparc
7482 insn to rtl insn mapping for better scheduling and code gen.
7483 (define_expand reload_indi, reload_outdi): Reload helpers for
7484 MEDANY and EMBMEDANY symbol address loading cases which require a
7486 (define_expand movsicc): Remove v8plus_regcmp cases.
7487 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7488 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7489 cmp_diqi_trunc_set): New patterns used by some of the new scc
7491 (define_insn xordi3_sp64_dbl): New pattern used for constant
7492 formation when crossing from 32-bit targets.
7493 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7495 (define_insn addx, subx): Make visible and prettify.
7496 (define_insn adddi3_insn_sp32): Likewise and force split.
7497 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7498 64bit scc split usage.
7499 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7500 zero_extend, subdi3): Force and implement splits.
7502 * final.c (final_scan_insn): Don't output labels if target
7503 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7506 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7507 don't forget to walk inside SEQUENCESs too as these are what the
7508 delay slot scheduler will create.
7510 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7512 * alpha.md (extxl+1,+2): New patterns to work around
7515 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7517 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7518 caused bad assembly code to be generated.
7520 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7522 * netbsd.h: Fix typo.
7524 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7526 * config.sub: Fix typo.
7528 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7530 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7532 (Running Protoize): Typo: Change "ther" into "other".
7534 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7536 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7537 * m68k/netbsd.h: Likewise.
7538 * ns32k/netbsd.h: Likewise.
7539 * sparc/netbsd.h: Likewise.
7541 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7543 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7544 * ginclude/va-clipper.h (va_list): Likewise.
7546 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7548 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7549 load/store multiple instructions unless user overrides.
7551 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7553 * ns32k/netbsd.h: Fix typo.
7555 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7557 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7558 labels with .debugsym if no parallel insns.
7560 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7562 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7563 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7565 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7567 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7568 (AR_FOR_TARGET): Define.
7570 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7572 * dyn-string.h: New file.
7573 * dyn-string.c: Likewise.
7574 * Makefile.in (OBJS): Add dyn-string.o.
7575 (dwarf2out.o): Add dyn-string.h dependency.
7576 (dyn-string.o): List dependencies.
7577 * dwarf2out.c: Include dyn-string.h.
7578 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7579 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7580 prototype. Use dyn_string_append rather than strcat, throughout.
7581 (addr_to_string): Use dyn_string_t.
7583 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7585 Function entry/exit profiling instrumentation:
7586 * expr.h (profile_function_entry_libfunc,
7587 profile_function_exit_libfunc): Declare new variables.
7588 * optabs.c: Define them here.
7589 (init_optabs): Initialize them.
7590 * tree.h (struct tree_decl): New flag
7591 no_instrument_function_entry_exit.
7592 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7593 * c-decl.c (duplicate_decls): Merge it.
7594 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7595 (init_attributes): Use it for "no_instrument_function".
7596 (decl_attributes): Handle it, for functions that have not yet been
7597 compiled. Set decl flag.
7598 * flags.h (flag_instrument_function_entry_exit): Declare new
7600 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7601 (f_options): New option "instrument-functions".
7602 * function.h (struct function): New field instrument_entry_exit.
7603 * function.c (current_function_instrument_entry_exit): New
7605 (push_function_context_to, pop_function_context_from): Save and
7607 (expand_function_start): Set current_ variable, maybe emit return
7608 label and entry profile call.
7609 (expand_function_end): Maybe emit exit profile call.
7611 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7613 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7614 NON_QI_REG_P, pretend the register is SImode.
7616 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7618 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7619 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7620 manufacturer id for ns32k.
7621 * configure: Regenerated.
7622 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7623 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7624 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7625 * config/m68k/netbsd.h: Same.
7626 * config/ns32k/netbsd.h: Same.
7627 * config/sparc/netbsd.h: Same.
7629 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7631 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7632 or UNROLL_COMPLETELY loop that starts with a jump to its
7635 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7637 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7638 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7639 (print_operand, case 'B'): Don't fall through.
7640 (print_operand, case 'S'): Correct mask begin/end computation.
7641 Use HOST_BITS_PER_WIDE_INT.
7642 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7643 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7644 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7645 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7647 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7649 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7650 constraint from second alternative.
7652 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7654 * configure.in: Fix --without/--disable cases for local-prefix,
7655 gxx-include-dir and checking.
7657 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7659 * configure.in (enable_haifa): Set by default for sparc64 too.
7662 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7664 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7665 * i386/winnt.c (associated_type): New fn.
7666 (i386_pe_valid_type_attribute_p): New fn.
7667 (i386_pe_check_vtable_importexport): Remove.
7668 (i386_pe_dllexport_p): Use associated_type.
7669 (i386_pe_dllimport_p): Likewise.
7671 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7672 * i386.c (i386_valid_type_attribute_p): Also accept
7673 attributes for METHOD_TYPEs.
7675 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7677 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7679 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7681 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7683 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7684 them from generating a new base name for each occurence of
7687 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7689 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7691 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7695 * cplus-dem.c (type_kind_t): New type.
7696 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7697 on this paramter, rather than demangling the type again.
7698 (demangle_integral_value): Pass tk_integral.
7699 (demangle_template_: Pass the value returned from do_type.
7700 (do_type): Return a type_kind_t. Pass tk_integral to
7701 demangle_template_value_parm for array bounds.
7702 (demangle_fund_type): Likewise.
7704 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7706 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7709 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7711 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7713 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7715 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7717 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7720 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7722 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7723 (DEBUGGER_ARG_OFFSET): Likewise.
7725 * mn10300.md (movsf): Remove last change. Not needed.
7727 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7729 * c-lex.c (yylex): Fix boundary conditions in character literal and
7730 string literal loops.
7732 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7734 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7735 being invoked incorrectly.
7737 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7738 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7740 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7741 * configure.in: Added i[34567]86-*-win32
7742 * config.sub: Ditto.
7743 * configure: Rebuilt.
7745 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7747 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7748 the frame pointer and compiling PIC code and reload has not completed.
7750 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7753 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7755 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7757 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7759 * Makefile.in (install-info): Only try to update the info
7760 directory file if it exists in the first place.
7762 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7764 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7766 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7768 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7769 CONST_DOUBLE source.
7771 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7773 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7774 strings as the insertion of USER_LABEL_PREFIX.
7775 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7777 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7780 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7782 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7783 already defined type.
7785 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7787 * expr.c (check_max_integer_computation_mode): Allow conversions
7788 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7789 (expand_expr): Likewise.
7791 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7793 * expr.c (expand_expr): Expand RETURN_EXPR.
7795 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7797 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7799 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7801 * dwarf2out.c (output_aranges): Call stripattributes
7802 for TEXT_SECTION references.
7803 (output_line_info): Likewise.
7805 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7807 * profile.c (branch_prob): Call allocate_reg_info after outputting
7808 profile rtl in instrument_arcs.
7810 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7812 * fixinc.irix (math.h): Install wrapper instead of copying.
7814 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7816 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7817 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7818 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7819 lang_flag_0. Added documentation in the flag table.
7821 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7823 * cccp.c (do_include): Fix vax c style include handling.
7825 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7827 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7829 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7831 * fold-const.c (non_lvalue): Don't deal with null pointer
7833 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7835 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7837 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7838 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7839 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7840 (u_short_cint_operand): Same.
7841 (reg_or_cint_operand): Same.
7842 (logical_operand): Same.
7843 (input_operand): Same.
7844 (reg_or_short_operand): Use u_short_cint_operand.
7846 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7848 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7849 but keep the insns and splits. Adjust so when the ultimate destination
7850 is memory, use cvtql.
7852 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7854 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7856 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7858 * gcc.c (do_spec): Call "error" not "warning".
7860 * configure.in: Fix minor problems with gas feature detection code.
7861 * configure: Rebuilt.
7863 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7866 * gcc.c: Delete %[spec] support.
7867 (do_spec_1, case '('): Likewise.
7868 (do_spec_1, case '['): Call error.
7870 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7872 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7873 (CPP_SUBTARGET_SPEC): Default to empty string.
7874 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7875 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7876 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7877 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7879 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7880 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7881 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7882 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7883 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7884 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7885 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7886 * alpha/vxworks.h: Likewise.
7888 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7890 * mips.md (reload_outsi): Added missing REGNO call.
7891 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7893 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7894 another match_operator and compare the codes.
7896 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7898 * MIPS multiply pattern fixes:
7899 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7900 Add union classes for HI, LO, or HILO plus general registers.
7901 (GENERATE_MADD): Deleted.
7902 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7903 Add TARGET_MAD to condition.
7904 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
7905 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
7906 "*d" for accumulator, to give preference to LO initially but not
7909 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
7911 * configure.in (enable_c_mbchar): New configure option.
7912 (extra_cpp_objs): Always available now.
7914 * cexp.y (mbchar.h): #include it.
7915 (yylex): Handle Multibyte characters in character literals.
7917 * cccp.c (mbchar.h): #include it.
7918 (main): Set character set based on LANG environment variable.
7919 (rescan): Handle multibyte characters in comments.
7920 (skip_if_group): See above.
7921 (validate_else): See above.
7922 (skip_to_end_of_comment): See above.
7923 (macarg1): See above.
7924 (discard_comments): See above.
7925 (rescan): Handle multibyte characters in string and character literals.
7926 (collect_expansion): See above.
7927 (skip_quoted_string): See above.
7928 (macroexpand): See above.
7929 (macarg1): See above.
7930 (discard_comments): See above.
7931 (change_newlines): See above.
7933 * c-lex.c (mbchar.h): #include it.
7934 (GET_ENVIRONMENT): New macro.
7935 (init_lex): Set character set based on LANG environment variable.
7936 (yylex): Handle multibyte characters in character literals.
7937 (yylex): Handle multibyte characters in string literals.
7939 * Makefile.in (mbchar.o): New target.
7940 (cccp$(exeext)): @extra_cpp_objs@ is always available.
7941 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
7943 * mbchar.[ch]: New files for multibyte character handling.
7945 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7947 * jump.c (jump_optimize): When simplifying noop moves and
7948 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
7949 the PUSHes to rewrite in second loop as we did in the first.
7951 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7953 * cplus-dem.c (demangle_nested_args): Make function definition
7954 static to match the prototype.
7956 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
7958 * alloca.c: Respect USE_C_ALLOCA.
7959 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
7960 * gengenrtl.c (xmalloc): Likewise.
7962 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
7964 * loop.h (struct induction): Add no_const_addval.
7965 * loop.c (the_movables, reg_address_cost): New variables.
7966 (init_loop): Init reg_address_cost.
7967 (loop_optimize): Call end_alias_analysis.
7968 (scan_loop): Init the_movables.
7969 (record_giv): Init induction->no_const_addval.
7970 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
7971 [REG]: Rearrange loop search test to catch more cases.
7972 (general_induction_var): Return success not benefit; take an extra
7973 argument for that. Change all callers.
7974 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
7975 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
7976 [default]: Search the_movables for additional combinations.
7977 (sge_plus_constant, sge_plus): New functions.
7978 (express_from_1): New function.
7979 (express_from): Always define. Rewrite using express_from_1.
7980 (combine_givs_p): Handle more cases. Ignore address cost.
7981 (cmp_combine_givs_stats): New function.
7982 (combine_givs_used_once, combine_givs_benefit_from): New functions.
7983 (combine_givs): Rewrite to do best-fit combination.
7985 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
7986 (fold): Do a complete (A*C)+(B*C) association check.
7988 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
7990 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
7992 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
7994 * mn10300.c (MODES_TIEABLE_P): Fix typo.
7996 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
7998 * tree.c (valid_machine_attribute): Only create a new type variant if
7999 there is a decl to use it.
8001 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8003 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8006 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8008 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8011 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8013 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8014 Simplify tests for clearing an address register.
8015 (expand_prologue): Corresponding changes.
8017 * mn10300.md (movXX patterns): Make sure the destination is an
8018 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8019 (logical patterns): Split into expanders + patterns
8020 (zero and sign extension patterns): Similarly.
8021 (shift patterns): Similarly.
8023 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8025 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8026 for the sequence, recording base values.
8028 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8030 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8032 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8034 * gcc.c: Remove ANSI-C ism from --help code.
8036 * toplev.c: Support --help with USE_CPPLIB.
8038 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8040 * configure.in: Rework gas feature code to work with symlink based
8043 * extend.texi: Clarify some issues related to local variables
8044 assigned to explicit registers.
8046 * mn10300.md (mulsi): Turn into expander + pattern.
8048 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8051 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8053 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8055 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8057 * version.c: Bump again to distinguish mainline tree from the
8060 See ChangeLog.0 for earlier changes.
8063 add-log-time-format: current-time-string
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