1 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3 * output.h (force_data_section): New prototype.
4 * varasm.c (force_data_section): New function to force the
5 data section, regardless of what in_section thinks.
6 * dwarf2out.c (output_call_frame_info): Call force_data_section
7 since varasm may not realize we've changes sections.
9 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
11 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
12 after completeing reload.
14 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
17 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
19 * rtl.h (multiple_sets): Fix prototype.
20 * rtlanal.c (multiple_sets): Fix return type.
22 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
24 * version.c: Bump for snapshot.
26 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
28 * version.c: Bump for snapshot.
30 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
32 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
34 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
36 * rtl.h (recompute_reg_usage): Add second argument.
37 * flow.c (recompute_reg_usage): Likewise.
38 * toplev.c (rest_of_compilation): Supply second argument to
41 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
44 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
46 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
47 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
48 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
51 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
53 * rtlanal.c (multiple_sets): New function.
54 * rtl.h (multiple_sets): Declare it.
55 * local-alloc.c (wipe_dead_reg): Use it.
56 * global.c (global_conflicts): Likewise.
58 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
60 * global.c (record_conflicts): Don't use an array of shorts to
61 store an array of ints.
62 (global_conflicts): Likewise.
64 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
66 * alpha.c (alpha_expand_block_move): mode_for_size expects
67 bits, not bytes. Infer extra alignment from addressof.
69 1998-12-11 Michael Meissner <meissner@cygnus.com>
71 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
72 .sbss section, not .sdata.
74 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
76 * cccp.c: Do not #include <sys/stat.h> here; this is already done
78 * collect2.c: Likewise.
83 * protoize.c: Likewise.
86 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
87 and don't try to define it here.
88 * Makefile.in (cppmain.o): Depend on machmode.h.
90 (cpperror.o): Likewise.
92 (cppfiles.o): Likewise.
93 (cpphash.o): Likewise.
94 (cppalloc.o): Likewise.
95 (fix-header.o): Likewise.
96 (scan-decls.o): Likewise.
98 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
100 * sh.c (print_operand): lookup interrupt_handler attribute instead
101 of relying on static variable.
102 * (calc_live_regs): Likewise.
103 * (sh_pragma_insert_attributes): Create interrupt_handler
104 attribute if a pragma was specified
105 * (sh_valid_machine_decl_attribute): Don't set static flag.
106 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
108 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
110 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
111 to determine if a register is live at a jump destination.
112 Everything is dead at a BARRIER.
114 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
116 * cse.c (simplify_unary_operation): Sign-extend constants when
117 they have the most significant bit set for the target.
118 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
120 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
121 HOST_WIDE_INT temporary before negating it.
122 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
124 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
126 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
129 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
131 * collect2.h: New header file for prototypes.
133 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
135 * collect2.c: Include collect2.h.
138 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
140 * flow.c: Update some comments.
142 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
144 * objc/objc-act.c (cpp_initialized): Removed.
145 (lang_init_options): Initialize cpplib.
146 (lang_decode_option): Move initialization of cpplib to
148 * c-lang.c: (parse_options,parse_in): Added.
149 (lang_init_options): Initialized cpplib here.
150 * c-decl.c (parse_options,cpp_initialized): Removed.
151 (c_decode_option): Move initialization of cpplib to
154 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
156 * reload1.c (reload_combine, reload_combine_note_store):
157 Make STORE_RUID always valid.
158 (reload_combine): Check if BASE is clobbered too early.
160 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
162 * reload.c (find_reloads): Display the insn that cannot be
165 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
167 * cccp.c (create_definition): Fix end of bufer logic.
169 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
171 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
172 pointer parameters changed to use the PARAMS() macro.
174 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
176 * except.h (struct handler_info): Add handler_number field.
177 * except.c (gen_exception_label): EH labels no longer need to be
178 on the permanent obstack.
179 (get_new_handler): Set the label number field.
180 (output_exception_table_entry): Regenerate handler label reference
181 from the label number field.
182 (init_eh): Remove a blank line.
183 * integrate.c (get_label_from_map): Labels no longer need to be
184 on the permanent obstack.
186 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
188 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
189 only when OUTER_CODE is SET.
191 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
193 * loop.c (strength_reduce): If scan_start points to the loop exit
194 test, be wary of subversive use of gotos inside expression statements.
195 Don't set maybe_multiple for a backward jump that does not
196 include the label under consideration into its range.
197 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
199 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
201 * explow.c (plus_constant_wide): Don't immediately return with
202 result of recursive call.
204 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
206 * eh-common.h (struct eh_context): Add table_index for rethrows.
208 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
209 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
210 processed when inlined or unrolled (ie duplicated in some way).
212 * rtl.c (reg_note_name): Add strings for new reg_note enums.
214 * expr.h (rethrow_libfunc): New library decl.
216 * optabs.c (rethrow_libfunc): Initialize.
218 * except.h (struct eh_entry): Add new field 'rethrow_label'.
219 (new_eh_region_entry): No longer exported from except.c.
220 (duplicate_handlers): Renamed to duplicate_eh_handlers and
222 (rethrow_symbol_map, rethrow_used): New exported functions.
223 (eh_region_from_symbol): New exported function.
225 * except.c (create_rethrow_ref): New function to create a single
226 SYMBOL_REF for a rethrow region.
227 (push_eh_entry): Initialize a rethrow ref.
228 (func_eh_entry): Add a rethrow_label field.
229 (new_eh_region_entry): Make static, and initialize the rethrow entry.
230 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
231 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
232 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
233 a region into an appropriate new symbol.
234 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
235 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
236 (end_catch_handler): Emit a barrier for new-exceptions since
237 control can never drop through the end of a catch block.
238 (expand_end_all_catch): new-exceptions never fall through a catch
240 (expand_rethrow): use __rethrow routine for new exceptions.
241 (output_exception_table_entry): Generate rethrow labels, if needed.
242 (output_exception_table): Generate start and end rethrow labels.
243 (init_eh): Create rethrow symbols for beginning and end of table.
244 (scan_region): Don't eliminate EH regions which are the targets of
247 * flow.c (make_edges): Add different edges for rethrow calls,
248 identified by having the REG_EH_RETHROW reg label.
249 (delete_unreachable_blocks): Don't delete regions markers which are
250 the target of a rethrow.
252 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
253 allow save_for_inline_copying to call duplicate_eh_handlers.
254 (save_for_inline_copying): Call duplicate_eh_handlers instead of
255 exposing internal details of exception regions.
256 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
257 (expand_inline_function_eh_labelmap): New callback routine to
258 allow expand_inline_function to call duplicate_eh_handlers.
259 (expand_inline_function): Call duplicate_eh_handlers instead of
260 exposing internal details of exception regions.
261 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
264 * libgcc2.c (find_exception_handler): Generalize to enable it to
265 pick up processing where it left off last time for a rethrow.
266 (__unwinding_cleanup): New function. debug hook which is called before
267 unwinding when __throw finds there is nothing but cleanups left.
268 (throw_helper): Common parts of __throw extracted out for reuse.
269 (__throw): Common parts moved to throw_helper.
270 (__rethrow): New function for performing rethrows.
272 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
274 * reload1.c (current_function_decl): Tweak declaration.
276 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
278 * c-decl.c (flag_isoc9x): Default off.
279 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
280 * cccp.c (print_help, main): Likewise.
281 * gcc.c (default_compilers): Update for -std=gnu*.
283 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
285 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
286 * demangle.h: Deleted.
288 * reload1.c (current_function_decl): Declare.
290 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
292 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
294 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
296 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
298 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
300 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
302 * configure: Rebuilt.
303 * system.h: If the *_unlocked functions are available use them
304 instead of the locked counterparts by defining macros.
305 * config.in: Regenerated.
307 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
309 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
310 wrong and should only be used for dump related things, not
311 debugging information, instead main_input_filename should be used.
312 Also, reuse output_file_directive if possible.
313 * i386/aix386ng.h (ASM_FILE_START): Likewise.
314 * i386/isc.h (ASM_FILE_START): Likewise.
315 * i386/win-nt.h (ASM_FILE_START): Likewise.
316 * i386/sun386.h (ASM_FILE_START): Likewise.
318 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
320 * configure.in (mips*-*-linux*): Handle big and little endian
322 * configure: Rebuilt.
324 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
326 * emit-rtl.c: Fix typo.
328 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
330 * reload1.c (eliminate_regs): Don't do anything, if we're not
333 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
335 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
337 * mips/mips.c (mips_select_section): Add comment.
339 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
341 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
342 characters in file names in #line to be consistent with #include
343 handling. We support escape prcessing in the # 1 "..." version of
344 the command. See also support in cp/lex.c.
345 (handle_directive): Likewise.
348 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
350 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
351 so it'll work on non-ASCII platforms. Always consider $ an
352 identifier character. Take no arguments.
353 (cpp_reader_init): Call initialize_char_syntax with no
355 (cpp_start_read): Don't call initialize_char_syntax again.
356 Clear is_idchar['$'] and is_idstart['$'] if not
357 opts->dollars_in_ident.
359 * cpplib.h (struct cpp_reader): Replace void *data element by
360 cpp_options *opts. Rearrange elements to make gdb printout
361 less annoying (put buffer stack at end).
362 (CPP_OPTIONS): Get rid of now-unnecessary cast.
364 * cppmain.c: s/data/opts/ when initializing cpp_reader
366 * c-decl.c: Likewise.
367 * objc/objc-act.c: Likewise.
368 * fix-header.c: Likewise.
370 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
372 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
373 with a struct file_name_list pointer.
374 (struct cpp_reader): Add pointer to chain of `actual
375 directory' include searchpath entries.
376 (struct file_name_list): Add *alloc pointer for the sake of
377 the actual-directory chain.
379 Move definition of HOST_WIDE_INT here.
380 (cpp_parse_escape): Change prototype to match changes in
383 * cppfiles.c (actual_directory): New function.
384 (finclude): Use it to initialize the buffer's actual_dir
386 (find_include_file): We don't need to fix up max_include_len
389 * cpplib.c (do_include): Don't allocate a file_name_list on
390 the fly for current directory "" includes, use the one that's
391 been preallocated in pfile->buffer->actual_dir. Hoist out
392 duplicate code from the search_start selection logic.
393 (cpp_reader_init): Initialize pfile->actual_dirs.
395 Remove definition of HOST_WIDE_INT. Change calls
396 to cpp_parse_escape to match changes in cppexp.c (note
397 hardcoded MASK, which is safe since this is the source
400 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
401 to handle wide character constants in #if directives. The
402 function now returns a HOST_WIDE_INT, and takes a third
403 argument which is a binary mask for all legal values (0x00ff
404 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
405 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
406 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
408 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
410 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
412 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
414 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
415 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
416 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
418 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
420 * final.c (output_asm_name): Use tabs to seperate comments from
423 Include instruction lengths (if defined) in output.
425 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
427 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
428 in the loop_info structure.
430 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
432 * configure.in: (arm*-*-ecos-elf): New target.
433 * configure: Regenerated.
434 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
435 * config/arm/ecos-elf.h: New file.
436 * config/arm/unknown-elf.h (TARGET_VERSION): Check
439 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
441 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
443 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
445 * version.c: Bump for snapshot.
447 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
449 * loop.c (check_dbra_loop): New argument loop_info. Update fields
452 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
454 * version.c: Bump for snapshot.
456 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
458 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
459 compressed reports are ok and preferred over URLs
461 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
463 * invoke.texi (Warning Options): Soften the tone of -pedantic
465 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
467 * print-rtl.c (print_rtx): Add prototype.
469 * unroll.c (iteration_info): Make it static.
471 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
473 * alias.c (memrefs_conflict_p): A second ANDed address
474 disables the aligned address optimization.
476 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
478 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
481 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
483 * i960.h (BOOL_TYPE_SIZE): Define.
485 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
487 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
488 from old valid_parallel_operands_4.
489 (valid_parallel_operands_4): Check that operands for 4 operand
490 parallel insns are valid, excluding load/store insns.
491 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
492 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
493 valid_parallel_load_store instead of valid_parallel_operands_4.
494 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
495 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
496 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
497 *notqi_movqi_clobber): Use valid_parallel_operands_4.
498 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
499 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
500 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
502 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
504 * config/c4x/c4x.c (iteration_info): Delete extern.
506 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
508 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
510 * final.c (cleanup_subreg_operands): Delete some unused code.
512 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
513 (struct insn_alternative): New structure definition.
514 (recog_op_alt): Declare variable.
515 (preprocess_constraints): Declare function.
516 * recog.c (recog_op_alt): New variable.
517 (extract_insn): Verify number of alternatives is in range.
518 (preprocess_constraints): New function.
519 * reg-stack.c: Include recog.h.
520 (constrain_asm_operands): Delete.
521 (get_asm_operand_lengths): Delete.
522 (get_asm_operand_n_inputs): New function.
523 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
524 N_OUTPUTS args. All callers changed.
525 Compute number of inputs and outputs here by calling
526 get_asm_operand_n_inputs.
527 Instead of constrain_asm_operands, call extract_insn,
528 constrain_operands and preprocess_constaints. Use information
529 computed by these functions throughout.
530 (record_reg_life): Delete code that is unused due to changes in
532 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
533 N_INPUTS and N_OUTPUTS args. All callers changed.
534 Similar changes as in record_asm_reg_life.
535 (subst_stack_regs): Move n_operands declaration into the if statement
537 Delete code that is unused due to changes in subst_asm_stack_regs.
538 * stmt.c (expand_asm_operands): Verify number of alternatives is in
540 * Makefile.in (reg-stack.o): Depend on recog.h.
542 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
544 * except.c (set_exception_version_code): Argument is an "int".
546 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
548 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
549 * configure: Rebuilt.
551 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
553 * configure.in (mipsel-*-linux*): New target.
554 * mips/linux.h: New file, based on other Linux targets.
556 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
558 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
559 runs in the context of the deleter, not the deletee, so we must
560 use taskVarGet to find the correct memory to free.
561 (__gthread_key_create): Initialize the task
562 variable subsystem so that the task variable is still active when
563 the delete hook is run.
565 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
567 * pdp11.h: Use optimize_size for space optimizations.
569 * pdp11.md: Likewise.
571 * pdp11.h (TARGET_40_PLUS): Fix typo.
573 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
575 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
578 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
580 * alias.c (addr_side_effect_eval): New function.
581 (memrefs_conflict_p): Use it.
582 * rtl.h (addr_side_effect_eval): Prototype it.
584 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
586 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
588 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
590 * reload.c (find_reloads): When force const to memory, put result
591 in substed_operand not *recog_operand_loc.
593 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
595 * c-lex.c: Fix indentation from last patch.
596 Remove trailing whitespace.
599 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
601 * flow.c (delete_block): Call set_last_insn after we have reset
602 NEXT_INSN (kept_tail).
604 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
606 * mips.md (trap_if): Use "$0" for the value zero.
608 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
609 Stephen L Moshier <moshier@world.std.com>
610 Richard Henderson <rth@cygnus.com>
612 * c-common.c (declare_function_name): Declare predefinied variable
615 * c-decl.c (flag_isoc9x): Set to 1 by default.
616 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
617 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
619 * c-parse.in: Allow constructors in ISO C 9x.
620 Rewrite designator list handling.
621 Allow [*] parameters.
622 Don't warn about comma at end of enum definition for ISO C 9x.
624 * cccp.c (c9x): New variable.
625 (rest_extension): New variable.
626 (print_help): Document new -std= option.
627 (main): Recognize -std= option. Set c9x appropriately.
628 (create_definition): Recognize ISO C 9x vararg macros.
630 * gcc.c (default_compilers): Adjust specs for -std options.
631 (option_map): Add --std.
632 (display_help): Document -std.
634 * toplev.c (documented_lang_options): Add -std and remove
637 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
638 or REAL_VALUE_HTOF based on base of the constants.
639 * fold-const.c (real_hex_to_f): New function. Replacement function
640 for hex FP conversion if REAL_ARITHMETIC is not defined.
641 * real.c (asctoeg): Add handling of hex FP constants.
642 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
645 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
647 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
648 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
649 expansion. Use hi/lo as destination register.
651 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
652 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
653 Avoid as macro expansion. Use hi/lo as destination register.
655 * mips.h (MASK_CHECK_RANGE_DIV): New.
656 (MASK_NO_CHECK_ZERO_DIV): New.
657 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
658 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
659 return address for leaf functions out of r31 to support
660 builtin_return_address.
662 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
664 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
665 NEXT_INSN(x) to check insn x.
667 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
669 * flow.c (delete_block): Call set_last_insn if we end up deleting the
670 last insn in the rtl chain.
672 * reload1.c (reload): Do not set reload_completed or split insns
674 * toplev.c (rest_of_compilation): Set reload_completed after
675 reload returns. Split insns after reload_cse has run.
677 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
679 * final.c (final_scan_insn): Abort if block_depth falls below 0.
681 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
683 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
685 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
687 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
688 use of user-label_prefix.
690 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
692 * reload1.c (emit_reload_insns): Clear spill_reg_store
693 when doing a new non-inherited reload from the same pseudo.
695 * local-alloc.c (function_invariant_p): New function.
696 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
697 to decide if an equivalence should be recorded.
698 * reload1.c (num_eliminable_invariants): New static variable.
699 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
700 to decide if an equivalence should be recorded.
702 (calculate_needs_all_insns): Skip insns that only set an equivalence.
703 Take num_eliminable_invariants into account when deciding
704 if register elimination should be done.
705 (reload_as_needed): Take num_eliminable_invariants into account
706 when deciding if register elimination should be done.
707 (eliminate_regs): Handle non-constant reg_equiv_constant.
708 * rtl.h (function_invariant_p): Declare.
710 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
712 * version.c: Bump for snapshot.
714 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
716 * version.c: Bump for snapshot.
718 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
720 * except.c (add_new_handler): Complain about additional handlers
721 after one that catches everything.
723 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
725 * configure.in (alpha*-*-netbsd): Fix typo.
726 * configure: Rebuilt.
728 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
730 * system.h: Include libiberty.h.
732 * c-aux-info.c: Remove prototypes for concat/concat3. Change
733 function `concat' from fixed parameters to variable parameters,
734 as is done in libiberty. All callers of concat/concat3
735 changed to use the new `concat' with variable args.
737 * cccp.c: Remove things made redundant by libiberty.h and/or
738 conform to libiberty standards.
740 * collect2.c: Likewise.
741 * config/1750a/1750a.h: Likewise.
742 * cppalloc.c: Likewise.
743 * cppexp.c: Likewise.
744 * cppfiles.c: Likewise.
745 * cpphash.c: Likewise.
746 * cpplib.c: Likewise.
747 * dyn-string.c: Likewise.
748 * fix-header.c: Likewise.
751 * genattr.c: Likewise.
752 * genattrtab.c: Likewise.
753 * gencheck.c: Likewise.
754 * gencodes.c: Likewise.
755 * genconfig.c: Likewise.
756 * genemit.c: Likewise.
757 * genextract.c: Likewise.
758 * genflags.c: Likewise.
759 * gengenrtl.c: Likewise.
760 * genopinit.c: Likewise.
761 * genoutput.c: Likewise.
762 * genpeep.c: Likewise.
763 * genrecog.c: Likewise.
764 * getpwd.c: Likewise.
765 * halfpic.c: Likewise.
767 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
768 in NEED_DECLARATION_* macros.
770 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
771 conform to libiberty standards.
772 (fatal): Fix const-ification of variable `format' in
773 !ANSI_PROTOTYPES case.
775 * prefix.c: Remove things made redundant by libiberty.h and/or
776 conform to libiberty standards.
778 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
779 conflicting with function `spaces' from libiberty.
781 * profile.c: Remove things made redundant by libiberty.h and/or
782 conform to libiberty standards.
783 * protoize.c: Likewise.
787 * toplev.c: Likewise.
788 * toplev.h: Likewise.
791 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
793 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
795 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
797 * README.C4X: Updated URLs.
798 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
799 (valid_parallel_operands_5): Remove unused variable.
801 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
803 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
805 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
807 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
808 which can be configured.
809 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
810 (Makefile): Pass actual LANGUAGES through the environment when
812 (cstamp-h): Likewise.
813 (config.status): Likewise.
815 * configure.in (enable_languages): Add new configuration parameter
816 "--enable-languages=lang1,lang2,...".
817 (${srcdir}/*/config-lang.in): Change handling to configure only
818 those directories, that the user might have enabled; default to
819 "all" existing languages.
820 * configure: Regenerate.
822 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
824 * rtlanal.c (regs_set_between_p): New function.
825 * rtl.h (regs_set_between_p): Prototype it.
826 * jump.c (jump_optimize): Use it instead of modified_between_p
829 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
830 Matthias Pfaller <leo@dachau.marco.de>
832 * invoke.texi (Option Summary, NS32K Options): add description
833 of NS32K specific options.
835 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
836 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
837 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
838 negdf2, absdf2): Use l instead of f since the double class and
839 float class are no longer the same.
840 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
841 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
842 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
843 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
845 (cmpsi, cmphi, cmpqi): use general_operand instead of
846 non_immediate_operand. Removes erroneous assumption that can't
848 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
849 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
851 (movstrsi, movstrsi1, movstrsi2): completely new block move
853 (...): Patterns to exploit multiply-add instructions.
854 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
855 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
856 patterns to exploit extended divide insns.
857 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
860 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
861 float return values as well as simple scalar floats.
862 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
863 support new flag to denote 32381 fpu.
864 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
865 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
867 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
868 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
869 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
870 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
871 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
872 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
873 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
874 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
875 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
876 fpu registers and special register classes for new 32381
877 instructions dotf and polyf.
878 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
880 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
881 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
883 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
884 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
885 (REGISTER_MOVE_COST): move code to register_move_cost function for
886 ease of coding and debugging.
887 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
888 LONG_FLOAT_REGO is likely spilled but not caught by default
890 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
891 instead of hard coded numbers in range check.
892 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
893 (...): Add prototypes for functions in ns32k.c but disable because
894 of problems when ns32k.h is included in machine independant files.
896 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
897 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
898 hard_regno_mode_ok, secondary_reload_class,
899 print_operand, print_operand_address): new register scheme to
900 include 32381 fpu registers and special register classes for new
901 32381 instructions dotf and polyf.
902 (gen_indexed_expr): Make static to keep namespace clean.
903 (check_reg): remove since never called.
904 (move_tail, expand_block_move): helper functions for "movstrsi"
906 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
907 Increase cost of moves which go via memory.
908 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
909 (CPP_PREDEFINES): nolonger predefine "unix".
911 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
912 Remove erroneous %$. print_operand() can work out from the rtx is
913 an immediate prefix is required.
915 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
916 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
917 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
919 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
922 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
923 Correct handling of pic operands.
924 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
925 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
926 -mrtd calling convention.
928 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
930 * gcc.c (option_map): Recognize --output-class-directory.
932 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
934 * loop.h (precondition_loop_p): Added new mode argument.
935 * unroll.c (precondition_loop_p): Likewise.
936 (approx_final_value): Function deleted and subsumed
937 into loop_iterations.
938 (loop_find_equiv_value): New function.
939 (loop_iterations): Use loop_find_equiv_value to find increments
940 too large to be immediate constants. Also use it to find terms
941 common to initial and final iteration values that can be removed.
943 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
945 * loop.h (struct loop_info): Define new structure.
946 (precondition_loop_p): Added prototype.
947 (unroll_loop): Added new argument loop_info to prototype.
948 (final_biv_value, final_giv_value): Added new argument n_iterations
950 * loop.c (strength_reduce): Declare new structure loop_iteration_info
951 and new pointer loop_info.
952 (loop_n_iterations): Replace global variable by element in
954 (check_final_value): New argument n_iterations.
955 (insert_bct): New argument loop_info.
956 (loop_unroll_factor): Replace global array by element in
958 (loop_optimize): Remove code to allocate and initialise
959 loop_unroll_factor_array.
960 * unroll.c (precondition_loop_p): No longer static since
961 used by branch on count optimization.
962 (precondition_loop_p, unroll_loop): New argument loop_info.
963 (final_biv_value, final_giv_value, find_splittable_regs): New
964 argument n_iterations.
965 (loop_iteration_var, loop_initial_value, loop_increment,
966 loop_final_value, loop_comparison_code, loop_unroll_factor):
967 Replaced global variables by loop_info structure.
968 (loop_unroll_factor): Replace global array by element in
971 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
973 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
976 * unroll.c (precondition_loop_p): Return loop_initial_value
977 for initial_value instead of loop_iteration_var.
979 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
981 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
982 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
983 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
984 to output the instruction sequences.
986 (rptb_top): Provide alternatives to use any register or memory
988 (rptb_end): Emit use of operands rather than assigning them
989 explicitly to the RS and RE registers.
991 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
993 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
994 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
995 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
996 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
997 c4x_merge_notes, c4x_parallel_process,
998 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
999 c4x_combine_parallel): Delete.
1001 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1003 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1004 with old target options clear flag_branch_on_count_reg if
1005 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1007 (c4x_output_cbranch): Handle a sequence of insns rather than a
1009 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1010 has not been allocated as the loop counter.
1011 (c4x_address_conflict): Do not allow two volatile memory references.
1012 (valid_parallel_operands_4, valid_parallel_operands_5,
1013 valid_parallel_operands_6): Reject pattern if the register destination
1014 of the first set is used as part of an address in the second set.
1016 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1018 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1019 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1020 is no longer enabled if PARALLEL_MPY_FLAG set.
1021 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1022 (REG_CLASS_CONTENTS): Add braces around initializers.
1023 (HAVE_MULTIPLE_PACK): Define.
1024 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1025 REAL_VALUE_TO_DECIMAL.
1026 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1027 REAL_VALUE_TO_DECIMAL.
1028 (ar0_reg_operand): Add prototype.
1029 (ar0_mem_operand): Likewise.
1030 (ar1_reg_operand): Likewise.
1031 (ar1_mem_operand): Likewise.
1032 (ar2_reg_operand): Likewise.
1033 (ar2_mem_operand): Likewise.
1034 (ar3_reg_operand): Likewise.
1035 (ar3_mem_operand): Likewise.
1036 (ar4_reg_operand): Likewise.
1037 (ar4_mem_operand): Likewise.
1038 (ar5_reg_operand): Likewise.
1039 (ar5_mem_operand): Likewise.
1040 (ar6_reg_operand): Likewise.
1041 (ar6_mem_operand): Likewise.
1042 (ar7_reg_operand): Likewise.
1043 (ar7_mem_operand): Likewise.
1044 (ir0_reg_operand): Likewise.
1045 (ir0_mem_operand): Likewise.
1046 (ir1_reg_operand): Likewise.
1047 (ir1_mem_operand): Likewise.
1048 (group1_reg_operand): Likewise.
1049 (group1_mem_operand): Likewise.
1050 (ir1_reg_operand): Likewise.
1051 (arx_reg_operand): Likewise.
1052 (not_rc_reg): Likewise.
1053 (not_modify_reg): Likewise.
1054 (c4x_group1_reg_operand): Remove prototype.
1055 (c4x_group1_mem_operand): Likewise.
1056 (c4x_arx_reg_operand): Likewise.
1058 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1060 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1061 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1063 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1065 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1068 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1070 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1071 unless FMOVD_WORKS is defined.
1073 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1075 * regclass.c (init_reg_sets): Move code that calculates tables
1076 dependent on reg_class_contents from here...
1077 (init_reg_sets_1): To here.
1079 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1081 * cpplib.h: Delete struct import_file. Add ihash element to
1082 struct cpp_buffer. Delete dont_repeat_files and
1083 import_hash_table elements from cpp_reader; change
1084 all_include_files to a hash table. Delete all foobar_include
1085 / last_foobar_include elements from struct cpp_options; put
1086 back four such: quote_include, bracket_include,
1087 system_include, after_include. Redo struct file_name_list
1088 completely. Add new structure type include_hash. Add
1089 prototypes for merge_include_chains and include_hash. Change
1090 prototypes for finclude, find_include_file, and
1091 append_include_chain to match changes below.
1093 * cppfiles.c (simplify_pathname, include_hash,
1094 remap_filename, merge_include_chains): New functions.
1095 (add_import, lookup_import, open_include_file): Removed.
1096 (INO_T_EQ): Define this (copied from cccp.c).
1097 (hack_vms_include_specification): Remove all calls and #if 0
1098 out the definition. It was being called incorrectly and at
1099 the wrong times. Until a VMSie can look at this, it's better
1100 to not pretend to support it.
1101 (append_include_chain): Change calling convention; now takes
1102 only one directory at a time, and sets up the data structure
1104 (redundant_include_p): Rewritten - this is now used for all
1105 include redundancy, whether by #ifndef, #import, or #pragma
1106 once. Looks up things in the include hash table.
1107 (file_cleanup): Decrement pfile->system_include_depth here if
1109 (find_include_file): Calling convention changed; now passes
1110 around a struct include_hash instead of 3 separate parameters.
1111 Guts ripped out and replaced with new include_hash mechanism.
1112 (finclude): Calling convention changed as for
1113 find_include_file. Error exits pulled out-of-line. Reformat.
1114 (safe_read): Return a long, not an int.
1115 (deps_output): Don't recurse.
1117 * cpplib.c (is_system_include): Deleted.
1118 (path_include): Fix up call to append_include_chain.
1119 (do_include): Fix up calls to find_include_file and finclude.
1120 Clean up dependency output a bit. Shorten obnoxiously lengthy
1121 #import warning message. Don't decrement
1122 pfile->system_include_depth here.
1123 (do_pragma): Understand the include_hash structure. Reformat.
1124 (do_endif): Correct handling of control macros. Understand
1126 (cpp_start_read): Fix up calls to finclude. Call
1127 merge_include_chains.
1128 (cpp_handle_option): Fix up calls to append_include_chain.
1129 Understand the four partial include chains.
1130 (cpp_finish): Add debugging code (#if 0-ed out) for the
1132 (cpp_cleanup): Free the include_hash, not the import hash and
1133 the all_include and dont_repeat lists which no longer exist.
1135 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1137 * toplev.c (no_new_pseudos): Define.
1138 (rest_of_compilation): Set no_new_pseudos as needed.
1139 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1140 if no_new_pseudos is set.
1141 * rtl.h (no_new_pseudos): Declare it.
1142 * reload1.c (reload): Update comments.
1143 * md.texi: Corresponding changes.
1145 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1147 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1148 (choose_reload_regs): Rename it here as well. When computing it,
1149 also merge in used hardregs.
1151 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1153 * gcc.c: Split out Objective-C specs to...
1154 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1157 * c-lex.c (init_parse): Always initialize the filename global.
1158 * objc/objc-act.c (lang_init): Always call check_newline at
1161 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1163 * reload1.c (reload): Remove unused variable.
1164 (reload_reg_free_for_value_p): Add missing parameter definition.
1166 * jump.c (jump_optimize): Remove unused variable.
1168 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1170 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1172 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1174 * expr.c (move_by_pieces): Similarly.
1175 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1176 * flow.c (find_auto_inc): Similarly.
1177 (try_pre_increment): Similarly.
1178 * loop.c (strength_reduce): Similarly.
1179 * regclass.c (auto_inc_dec_reg_p): Similarly.
1180 * regmove.c (try_auto_increment): Similarly.
1181 (fixup_match_1): Similarly.
1182 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1183 (HAVE_PRE_DECREMENT): Similarly.
1184 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1185 * Corresponding changes to all target header files.
1186 * tm.texi: Update docs for autoinc addressing modes.
1188 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1190 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1191 * configure: Rebuild.
1192 * config/elfos.h: New file.
1193 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1194 config/m68k/t-m68kelf: New file.
1196 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1198 * Makefile.in (HOST_AR): Define.
1199 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1200 (libcpp.a): Use the host tools explicitly.
1201 (STAGESTUFF): Add libcpp.a.
1203 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1205 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1206 to source and destination registers.
1208 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1210 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1211 The strategy we now use is to pre allocate the top_elt along
1212 with the EH context so that each thread has its own top_elt.
1213 This is necessary as the dynmanic cleanup chain is used on the
1214 top element of the stack and each thread MUST have its own.
1215 (eh_context_static): Likewise.
1216 (new_eh_context): Likewise.
1217 (__sjthrow): Likewise.
1219 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1221 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1222 * i386.md (prologue_get_pc): Remove unused variable.
1224 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1226 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1228 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1230 * Makefile.in (OBJS): Add graph.o
1231 (graph.o): New dependency list.
1232 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1233 * print-rtl.c (dump_for_graph): Define new variable.
1234 (print_rtx): Rewrite to allow use in graph dumping functions.
1235 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1236 finish_graph_dump_file.
1237 Define graph_dump_format.
1238 (compile_file): If graph dumping is enabled also clear these files.
1239 Finish graph dump files.
1240 (rest_of_compilation): Also dump graph information if enabled.
1241 (main): Recognize -dv to enabled VCG based graph dumping.
1242 * graph.c: New file. Graph dumping functions.
1244 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1246 * configure.in: Look for <sys/stat.h>.
1247 * system.h: Include it before substitute S_ISREG definitions.
1249 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1251 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1252 * config/mips/iris6.h: Same.
1253 * config/mips/mips.md: Same.
1254 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1255 * config/mips/mips.h: Same; also define ABI_O64.
1257 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1259 * configure.in: Use AC_PREREQ(2.12.1).
1261 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1263 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1264 * cpplib.c, gcc.c: Likewise.
1265 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1267 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1269 * local-alloc.c (local_alloc): Use malloc not alloca for
1270 reg_qty, reg_offset, ref_next_in_qty.
1272 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1274 * caller-save.c (insert_one_insn): Initialize the live_before and
1275 live_after register sets.
1279 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1280 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1281 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1282 (fp_reg_names, assembler_dialect): New variables.
1283 (print_operand_address): Handle SUBREGs.
1284 (print_operand): Added 'o' case.
1285 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1286 Name of FP registers depends on mode.
1287 (expand_block_move): Emit different code for SH4 hardware.
1288 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1289 (from_compare): Likewise.
1290 (add_constant): New argument last_value. Changed all callers.
1291 (find_barrier): Don't try HImode load for FPUL_REG.
1292 (machine_dependent_reorg): Likewise.
1293 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1294 (gen_far_branch): Emit a barrier after the new jump.
1295 (barrier_align): Don't trust instruction lengths before
1297 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1298 Use auto-inc addressing for fp registers if doubles need to
1299 be loaded in two steps.
1300 Set sh_flag_remove_dead_before_cse.
1301 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1302 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1303 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1304 Support for FIRST_XD_REG .. LAST_XD_REG.
1305 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1306 (sh_expand_epilogue): Likewise.
1307 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1308 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1309 (arith_reg_operand): FPUL_REG is OK for SH4.
1310 (fp_arith_reg_operand, fp_extended_operand) New functions.
1311 (tertiary_reload_operand, fpscr_operand): Likewise.
1312 (commutative_float_operator, noncommutative_float_operator): Likewise.
1313 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1314 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1315 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1316 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1317 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1318 (CONDITIONAL_REGISTER_USAGE): Likewise.
1319 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1320 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1321 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1322 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1323 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1324 to -1 and sh_flag_remove_dead_before_cse to 1.
1325 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1326 (assembler_dialect, fp_reg_names): Declare.
1327 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1328 Hide names of registers that are not accessible.
1329 (CACHE_LOG): Take TARGET_CACHE32 into account.
1330 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1331 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1332 (FIRST_PSEUDO_REGISTER: Now 49.
1333 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1334 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1335 (HARD_REGNO_MODE_OK): Update.
1336 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1337 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1338 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1339 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1340 (NPARM_REGS): Eight floating point parameter registers on SH4.
1341 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1342 in floating point registers.
1343 (GET_SH_ARG_CLASS) Likewise.
1344 Complex float types are also returned in float registers.
1345 (BASE_ARG_REG): Complex float types are also passes in float registers.
1346 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1347 (LIBCALL_VALUE): Remove trailing semicolon.
1348 (ROUND_REG): Round when double precision value is passed in floating
1350 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1351 passed on the stack.
1352 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1353 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1354 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1355 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1356 (MODE_DISP_OK_8): Not for SH4 DFmode.
1357 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1358 Allow indexed addressing for PSImode after reload.
1359 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1360 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1361 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1362 (DOUBLE_TYPE_SIZE): 64 for SH4.
1363 (RTX_COSTS): Add PLUS case.
1364 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1365 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1366 MAC_REGS, PR_REGS, DF_REGS.
1367 (REGISTER_NAMES): Use fp_reg_names.
1368 (enum processor_type): Add PROCESSOR_SH4.
1369 (sh_flag_remove_dead_before_cse): Declare.
1370 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1371 (PREDICATE_CODES): Add binary_float_operator,
1372 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1373 fpscr_operand, noncommutative_float_operator.
1374 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1375 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1376 * sh.md (attribute cpu): Add value sh4.
1377 (attrbutes fmovd, issues): Define.
1378 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1379 (function units memory, int, mpy, fp): Make dependent on issue rate.
1380 (function units issue, single_issue, load_si, load): Define.
1381 (function units load_store, fdiv, gp_fpul): Define.
1382 (attribute hit_stack): Provide proper default.
1383 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1384 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1385 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1386 (mulsi3_call): Now uses match_operand for function address.
1387 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1389 (push, pop, push_e, pop_e): Now define_expands.
1390 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1391 (movsi_ie): Added y/i alternative.
1392 (ic_invalidate_line_i, movdf_i4): New insns.
1393 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1394 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1395 (movdf): Add special code for SH4.
1396 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1397 (call_valuei, calli, call_value): Likewise.
1398 (movsf): Emit no-op move.
1399 (mov_nop, movsi_y): New insns.
1400 (blt, sge): generalize to handle DFmode.
1401 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1402 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1403 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1404 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1405 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1406 (toggle_sz): New insn.
1407 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1408 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1409 (macsf3): Make use of fpscr visible. Disable for SH4.
1410 (floatsisf2): Make use of fpscr visible.
1411 (floatsisf2_i4): New insn.
1412 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1413 (ieee_ccmpeqsf_t): Likewise.
1414 (fix_truncsfsi2): Emit different code for SH4.
1415 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1416 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1417 (negsf2, sqrtsf2, abssf2): Now expanders.
1418 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1419 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1420 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1421 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1422 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1423 (fix_truncdfsi2_i4_2+1): New splitters.
1424 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1425 (extendsfdf2, truncdfsf2): New expanders.
1426 (truncdfsf2_i4): New insn.
1427 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1428 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1429 * float-sh.h: When testing for __SH3E__, also test for
1430 __SH4_SINGLE_ONLY__ .
1431 * va-sh.h (__va_freg): Define to float.
1432 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1433 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1434 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1435 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1437 (TARGET_SH4_P): Define.
1440 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1441 init_expr_once is satisfied about the existence of load / store insns.
1443 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1444 change m constraint in source operand to mr / mf .
1446 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1448 * (__VA_REEF): Define.
1449 (__va_arg_sh1): Use it.
1451 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1453 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1455 * i386/dgux.c (struct option): Add new "description field".
1456 * m88k/m88k.c (struct option): Likewise.
1458 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1460 * version.c: Bump for snapshot.
1462 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1464 * regmove.c (regmove_profitable_p): Use return value of find_matches
1467 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1469 * version.c: Bump for snapshot.
1471 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1473 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1474 without reload having been called earlier.
1476 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1478 (v850_reorg): Similarly.
1480 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1482 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1484 * loop.c (move_movables): Start of libcall might be new loop start.
1486 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1488 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1490 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1492 * function.c (nonlocal_goto_handler_slots): Renamed from
1493 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1494 (push_function_context_to): Adjust for this change.
1495 (pop_function_context_from): Likewise.
1496 (init_function_start): Likewise.
1497 (expand_function_end): Likewise.
1498 * function.h (struct function): Likewise.
1499 * calls.c (expand_call): Likewise.
1500 * explow.c (allocate_dynamic_stack_space): Likewise.
1501 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1502 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1504 (expand_goto): When doing a nonlocal goto, find corresponding handler
1505 slot for it. Don't put the label address in the static chain register.
1506 (expand_end_bindings): Break out nonlocal goto handling code into
1507 three new functions.
1508 (expand_nl_handler_label, expand_nl_goto_receiver,
1509 expand_nl_goto_receivers): New static functions, broken out of
1510 expand_end_bindings and adapted to create one handler per nonlocal
1512 * function.c (delete_handlers): Delete insn if it references any of
1513 the nonlocal goto handler slots.
1514 * i960.md (nonlocal_goto): Comment out code that modifies
1516 * sparc.md (nonlocal_goto): Likewise.
1517 (goto_handler_and_restore_v9): Comment out.
1518 (goto_handler_and_restore_v9_sp64): Comment out.
1520 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1522 * expr.c (STACK_BYTES): Delete unused macro.
1523 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1524 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1525 (expand_call): Likewise.
1526 (emit_library_call): Likewise.
1527 (emit_library_call_value): Likewise.
1528 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1529 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1530 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1531 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1532 (allocate_dynamic_stack_space): Likewise.
1533 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1534 (STACK_BOUNDARY): Update description to reflect the new situation.
1536 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1538 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1539 return with a filled delay slot is followed by a return with an
1540 unfilled delay slot, delete the first return and reemit the insn
1541 that was previously in its delay slot.
1543 * i860.c (single_insn_src_p): Add missing parens.
1544 * ginclude/math-3300.h: Likewise.
1546 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1548 * regclass.c (init_reg_sets_1): Add prototype.
1549 (init_reg_modes): Likewise.
1551 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1553 * c-common.c: Change warning messages to say `comparison is
1554 always true' or `comparison is always false' instead of the
1555 confusing `is always 0', `is always 1'.
1557 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1559 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1560 break instead of return (which loses closing '>').
1562 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1564 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1565 standard 387 constants.
1567 * i386.md (jump): Explicitly set "memory" attribute.
1568 (indirect_jump, prologue_set_stack_ptr): Likewise.
1569 (prologue_get_pc_and_set_got, pop): Likewise.
1570 (allocate_stack_worder, blockage, return_internal): Likewise.
1571 (return_pop_internal, nop): Likewise.
1572 (epilogue_set_stack_ptr, leave): Likewise.
1574 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1576 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1578 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1580 * reload1.c (reload_reg_free_for_value_p):
1581 Early auto_inc reloads don't conflict with outputs.
1583 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1585 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1586 Instead call AC_HEADER_SYS_WAIT.
1588 * collect2.c: Don't provide defaults for sys/wait.h macros.
1590 * protoize.c: Likewise. Also, don't include sys/wait.h.
1592 * system.h: Include sys/wait.h and provide macro defaults.
1594 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1596 * Makefile.in (mandir): Set to @mandir@.
1597 (man1dir): New variable to hold the former value of $(mandir).
1598 Replace all uses of $(mandir) by $(man1dir).
1600 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1602 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1603 a new one before passing it to force_const_mem.
1605 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1606 find_reloads_address call.
1608 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1610 * expr.c (store_expr): Don't generate load-store pair
1611 if TEMP is identical (according to ==) with TARGET.
1613 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1615 * reload1.c (reload_reg_free_for_value_p): When considered reload
1616 has an output, matching inputs are not sufficient to avoid conflict.
1618 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1620 * hash.h (hash_table_key): New type.
1621 (hash_entry): Change `string' field to generic `key'.
1622 (hash_table): Add `comp' and `hash' functions.
1623 (hash_table_init): Take them as input.
1624 (hash_table_init_n): Likewise.
1625 (hash_lookup): Modify for generic keys.
1626 (hash_newfunc): Likewise.
1627 (hash_traverse): Likewise.
1628 (string_hash): New function.
1629 (string_compare): Likewise.
1630 (string_copy): Likewise.
1631 * hash.c (hash_table_init_n): Modify for generic keys.
1632 (hash_table_init): Likewise.
1633 (hash_lookup): Likewise.
1634 (hash_newfunc): Likewise.
1635 (hash_traverse): Likewise.
1636 (string_hash): Split out from hash_lookup.
1637 (string_compare): New function.
1638 (string_copy): Split out from hash_lookup.
1639 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1641 (symbol_hash_lookup): Likewise.
1642 (file_hash_newfunc): Likewise.
1643 (file_hash_lookup): Likewise.
1644 (demangled_hash_newfunc): Likewise.
1645 (demangled_hash_lookup): Likewise.
1646 (tlink_int): Likewise.
1647 (read_repo_file): Likewise.
1648 (recompile_files): Likewise.
1649 (demangle_new_symbols): Likewise.
1650 (scan_linker_output): Likewise.
1652 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1654 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1656 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1658 * rs6000.c (output_mi_thunk): Improve test for local branch.
1660 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1662 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1664 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1666 * reload1.c (reload_reg_free_before_p): Delete.
1667 Changed all callers to use reload_reg_free_for_value_p instead.
1668 (reload_reg_free_for_value_p): Handle more reload types.
1669 A RELOAD_FOR_INPUT doesn't conflict with its
1670 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1671 Add special case for OUT == const0_rtx.
1672 Added ignore_address_reloads argument. Changed all callers.
1674 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1676 * toplev.c (compile_file): Don't pedwarn about undefined static
1677 functions just because we passed -Wunused.
1679 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1681 * function.c (purge_addressof_1): Unshare rtl created by
1684 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1686 * regmove.c (regmove_optimize): Don't do anything but
1687 optimize_reg_copy[123] when flag_regmove is not set.
1689 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1691 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1692 value in paradoxical SImode result, rather than truncating midpoint.
1694 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1696 * alpha.c (reg_not_elim_operand): New.
1697 * alpha.h (PREDICATE_CODES): Add it.
1698 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1699 for the multiplicand.
1701 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1703 * rs6000.md (movsf): Remove explicit secondary-reload-like
1704 functionality. Only truncate SFmode store if in FPR.
1705 (movsf splitters): Combine const_double splitters.
1706 (movsf_hardfloat): Add GPR support.
1708 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1710 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1711 deprecate -mlive-g0 and -mbroken-saverestore.
1712 * t-splet (MULTILIB_OPTIONS): Likewise.
1714 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1715 in a leaf function. Clarify total_size/extra_size relationship.
1717 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1719 * i386/cygwin32.asm: Delete.
1720 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1721 * i386/cygwin32.h: Delete.
1722 * i386/cygwin.h: New file, renamed from cygwin32.h.
1723 * i386/t-cygwin32: Delete.
1724 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1725 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1726 * i386/x-cygwin32: Delete.
1727 * i386/x-cygwin: New file, renamed from x-cygwin32.
1728 * i386/xm-cygwin32: Delete.
1729 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1730 renamed cygwin_ funcs for path translations.
1731 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1732 * i386/winnt.c: Remove "32" from comment about cygwin.
1733 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1734 * rs6000/cygwin32.h: Delete.
1735 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1736 -D__CYGWIN__ to CPP_PREDEFINES.
1737 * rs6000/x-cygwin32: Delete.
1738 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1739 * rs6000/xm-cygwin32: Delete.
1740 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1742 * configure.in: Check for cygwin* instead of cygwin32. Account
1743 for the rename of cygwin-related config files to lose the "32"s.
1744 * configure: Regenerate.
1746 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1747 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1749 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1751 * Makefile.in (JAVAGC): New macro.
1752 * configure: Rebuilt.
1753 * configure.in: Recognize --enable-java-gc argument. Subst
1756 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1758 Handle equivalences that have been obscured by gcse:
1760 * reload1.c (reload): Handle equivalences set up in multiple places.
1761 * local-alloc.c (reg_equiv_init_insns): New variable.
1762 (no_equiv): New function.
1763 (update_equiv_regs): Handle equivalences set up in multiple places.
1764 Don't ignore an insn just because its destination is likely to be
1767 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1769 * except.c (expand_eh_return): Readd force_operand call lost in
1772 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1774 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1776 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1778 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1780 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1782 * regmove.c (regmove_optimize): Fix error in last change.
1784 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1786 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1787 offset in the .mask pseudo to compensate for frame pointer adjustments.
1788 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1789 word swap arguments moved to/from FP registers.
1790 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1792 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1794 * version.c: Bump for snapshot.
1796 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1798 * version.c: Bump for snapshot.
1800 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1802 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1803 times, then it can not be completely replaced.
1805 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1807 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1809 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1811 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1812 (to distinguish it from the macro wrapping ansidecl.h.)
1813 Include libiberty's ansidecl.h. Remove all redundant definitions.
1814 Define the PROTO() style macros in terms of the PARAMS() ones.
1817 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1818 __STDC__, when deciding whether to use ANSI variable args.
1819 (emit_library_call_value): Likewise.
1821 * cccp.c (error): Likewise.
1822 (warning): Likewise.
1823 (error_with_line): Likewise.
1824 (warning_with_line): Likewise.
1825 (pedwarn): Likewise.
1826 (pedwarn_with_line): Likewise.
1827 (pedwarn_with_file_and_line): Likewise.
1830 * cexp.y (error): Likewise.
1831 (pedwarn): Likewise.
1832 (warning): Likewise.
1834 * collect2.c (fatal_perror): Likewise.
1838 * combine.c (gen_rtx_combine): Likewise.
1840 * cpperror.c (cpp_message): Likewise.
1841 (cpp_fatal): Likewise.
1843 * cpplib.c (cpp_error): Likewise.
1844 (cpp_warning): Likewise.
1845 (cpp_pedwarn): Likewise.
1846 (cpp_error_with_line): Likewise.
1847 (cpp_warning_with_line): Likewise.
1848 (cpp_pedwarn_with_line): Likewise.
1849 (cpp_pedwarn_with_file_and_line): Likewise.
1851 * cpplib.h: Don't define PARAMS() macro.
1853 * demangle.h: Likewise.
1855 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1856 when deciding whether to use ANSI variable args.
1858 * emit-rtl.c (gen_rtx): Likewise.
1859 (gen_rtvec): Likewise.
1861 * final.c (asm_fprintf): Likewise.
1863 * fix-header.c (cpp_message): Likewise.
1865 (cpp_fatal): Likewise.
1867 * gcc.c (concat): Likewise.
1871 * genattr.c (fatal): Likewise.
1873 * genattrtab.c (attr_rtx): Likewise.
1874 (attr_printf): Likewise.
1877 * gencodes.c (fatal): Likewise.
1879 * genconfig.c (fatal): Likewise.
1881 * genemit.c (fatal): Likewise.
1883 * genextract.c (fatal): Likewise.
1885 * genflags.c (fatal): Likewise.
1887 * genopinit.c (fatal): Likewise.
1889 * genoutput.c (fatal): Likewise.
1892 * genpeep.c (fatal): Likewise.
1894 * genrecog.c (fatal): Likewise.
1896 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1897 deciding whether to declare `tree_node' and `rtx_def'.
1899 * hash.h: Don't define stuff we get from gansidecl.h.
1901 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1902 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1903 whether to use ANSI variable args.
1906 * prefix.c (concat): Likewise.
1910 * system.h: Likewise.
1912 * toplev.c (error_with_file_and_line): Likewise.
1913 (error_with_decl): Likewise.
1914 (error_for_asm): Likewise.
1917 (warning_with_file_and_line): Likewise.
1918 (warning_with_decl): Likewise.
1919 (warning_for_asm): Likewise.
1920 (warning): Likewise.
1921 (pedwarn): Likewise.
1922 (pedwarn_with_decl): Likewise.
1923 (pedwarn_with_file_and_line): Likewise.
1925 (really_sorry): Likewise.
1927 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1928 whether to declare `tree_node' and `rtx_def'.
1930 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1931 deciding whether to use ANSI variable args.
1932 (build_nt): Likewise.
1933 (build_parse_node): Likewise.
1935 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1937 * version.c: Bump for snapshot.
1939 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1941 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1943 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1945 * collect2.c (main, case 'b'): Use else if.
1947 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1949 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1950 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1951 before the config/ directory headers.
1952 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1953 gansidecl.h in the list of dependencies.
1955 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1956 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1957 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1958 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1959 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1960 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1963 * cccp.c: Don't include gansidecl.h.
1965 * collect2.c: Likewise.
1966 * config/c4x/c4x.c: Likewise.
1967 * config/v850/v850.h: Likewise.
1968 * cppalloc.c: Likewise.
1969 * cpperror.c: Likewise.
1970 * cppexp.c: Likewise.
1971 * cppfiles.c: Likewise.
1972 * cpphash.c: Likewise.
1973 * cpplib.c: Likewise.
1974 * cppmain.c: Likewise.
1975 * cppulp.c: Likewise.
1976 * demangle.h: Likewise.
1977 * doprint.c: Likewise.
1978 * dyn-string.c: Likewise.
1979 * eh-common.h: Likewise.
1980 * fix-header.c: Likewise.
1981 * frame.c: Likewise.
1984 * gen-protos.c: Likewise.
1985 * gencheck.c: Likewise.
1986 * halfpic.h: Likewise.
1988 * machmode.h: Likewise.
1989 * mbchar.c: Likewise.
1990 * prefix.c: Likewise.
1991 * protoize.c: Likewise.
1992 * recog.h: Likewise.
1994 * scan-decls.c: Likewise.
1996 * varray.h: Likewise.
1998 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2000 * i386.md (call_value_pop): If we're not popping anything,
2001 defer to call_value.
2002 (call_pop): Likewise defer to call.
2004 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2006 * function.c (purge_addressof): Clear purge_addressof_replacements
2007 only after processing the whole function.
2009 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2011 * reload1.c (reload): If we can not perform a particular elimination
2012 when we thought we could earlier, then we must always iterate through
2013 the loop at least one more time.
2015 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2017 * alpha.c (add_operand): Simplify the CONST_INT match.
2018 (sext_add_operand): Correct typo in comparison by using
2019 CONST_OK_FOR_LETTER_P.
2020 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2021 constant alternatives to be generated.
2022 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2023 small constants, since the hw instructions do.
2025 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2027 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2028 previous insn to store directly into our reload register, make sure
2029 that if the source of the previous insn is a reload register, its
2030 spill_reg_store and spill_reg_stored_to values are cleared.
2032 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2034 * rs6000.md (floatunssidf2_internal splitter): Use base register
2035 operand, not hard-coded SP.
2037 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2039 * jump.c (calculate_can_reach_end): Fix thinko.
2041 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2043 * reorg.c (fill_simple_delay_slots): Fix typo.
2045 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2047 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2049 * i386.md (extendsidi2): Use # in the output template.
2050 (extendsidi splitters): New splitters.
2052 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2054 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2056 * configure: Regenerate.
2058 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2060 * jump.c (init_label_info, delete_barrier_successors,
2061 mark_all_labels, delete_unreferenced_labels,
2062 delete_noop_moves, calculate_can_reach_end): New functions broken
2063 out of jump_optimize.
2064 (jump_optimize): Use them.
2066 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2068 * except.c (expand_fixup_region_end): Make sure outer context labels
2069 are not issued in an inner context during cleanups.
2071 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2073 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2076 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2078 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2079 to expose this midpoint to CSE.
2081 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2083 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2085 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2087 * configure.in: Bring over gcc2 change of Nov 19 1997.
2089 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2091 * toplev.c (output_lang_identify): Make definition dependent on
2092 ASM_IDENTIFY_LANGUAGE.
2094 * print-rtl.c (spaces): Make static.
2096 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2098 * extend.texi: Clarify proper uses for register clobbers in asms.
2100 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2102 * recog.h (enum op_type): Define.
2103 (constrain_operands): Adjust prototype.
2104 (recog_op_type): Declare new variable.
2105 * recog.c (recog_op_type): New variable.
2106 (insn_invalid_p): Allow modifying an asm statement after reload.
2107 (extract_insn): Set up recog_op_type.
2108 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2109 Don't compute operand types, use recog_op_type.
2110 Use the information computed by extract_insn instead of the previous
2111 method of finding it by insn code number.
2112 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2113 * reorg.c (fill_slots_from_thread): Likewise.
2114 * reload1.c (reload_as_needed): Likewise.
2115 (gen_reload): Likewise.
2116 (inc_for_reload): Likewise.
2117 (reload_cse_simplify_operands): Likewise.
2118 Use the information computed by extract_insn instead of the previous
2119 method of finding it by insn code number.
2120 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2122 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2123 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2124 Use the information computed by extract_insn instead of the previous
2125 method of finding it by insn code number.
2126 * regmove.c (find_matches): Likewise. Change meaning of the return
2127 value to be nonzero if the optimization can be performed, zero if
2128 not. All callers changed.
2129 Shorten some variable names to fix formatting problems.
2130 (regmove_optimize): Shorten some variable names to fix formatting
2132 Use the information computed by extract_insn instead of the previous
2133 method of finding it by insn code number.
2134 * regclass.c (scan_one_insn): Likewise.
2135 (record_reg_classes): Don't compute operand types, use recog_op_type.
2136 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2137 recog_constraints instead.
2139 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2141 * rtl.h (flow2_completed): Declare.
2142 * flow.c (flow2_completed): Definition.
2143 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2146 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2148 * Makefile.in (libcpp.a): Ranlib libcpp.a
2150 * cppulp.c (user_label_prefix): Initialize.
2152 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2154 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2155 at a RETURN if current_function_sp_is_unchanging is set.
2157 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2159 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2161 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2163 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2164 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2165 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2166 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2167 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2168 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2170 (LIB_SPEC): Handle -mno-cyginw option.
2171 (LINK_SPEC): Handle -mdll.
2173 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2175 * reload.c (find_reloads): Fix test for usage by other reload
2176 to handle secondary reloads properly.
2178 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2180 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2181 intermediate structure which has exactly the members provided by
2182 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2183 static intermediate structure.
2185 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2186 from the intermediate structure. Do the same analogous fix in
2187 the case where ELIMINABLE_REGS is not defined.
2189 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2191 * pa.h (SELECT_SECTION): Fix thinko.
2193 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2195 * dwarf2out.c (output_call_frame_info): Comments on last change.
2197 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2199 * arm.c (add_constant): When taking the address of an item in the
2200 pool, get the mode of the item addressed.
2202 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2203 contain a SET or a PARALLEL, don't consider it for conditional
2206 Restore ABI compatibility for NetBSD.
2207 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2209 (RETURN_IN_MEMORY): Likewise.
2211 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2213 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2214 (m32r_output_block_move): Rewrite bytes < 4 handling.
2216 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2218 * configure.in: Call AC_FUNC_VFORK.
2220 * collect2.c: Define VFORK_STRING as a printable string for
2221 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2222 defined, include vfork.h. If VMS is defined, define vfork()
2223 appropriately. Remove vfork check on USG, we're using autoconf.
2224 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2225 checking locally what string to pass.
2226 (scan_prog_file): Likewise.
2227 (scan_libraries): Likewise.
2229 * gcc.c: Remove vfork check on USG, we're using autoconf.
2230 Besides, no calls to vfork/fork occur in this file.
2232 * protoize.c: Likewise.
2234 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2236 * configure.in (DEFAULT_LINKER): renamed from LD
2237 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2238 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2239 * configure: rebuilt
2241 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2243 * BUGS: fix the regexp for `more' to find the appropriate node.
2244 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2246 * BUGS: added link to the WWW FAQ
2248 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2250 * version.c: Bump for snapshot.
2252 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2254 * From Christian Gafton:
2255 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2256 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2257 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2259 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2261 * c-common.c (c_get_alias_set): Allow all type-punning through
2262 unions. Don't get confused about the type of a bit-field, despite
2263 the antics of build_modify_expr.
2265 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2267 * fixinc.sco: Paramaterize #include_next values.
2268 * fixinc/fixinc.sco: Likewise.
2270 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2272 * toplev.c (rest_of_compilation): No longer set reload_completed.
2273 * reload1.c (reload): Set it here. Perform instruction splitting
2274 after reload has completed if we will be running the scheduler
2277 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2279 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2280 EH region if exceptions are enabled and we're performing cross
2282 (find_cross_jump): Exit loop if the insns are in different EH regions.
2284 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2286 * dwarf2out.c (output_call_frame_info): Use
2287 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2289 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2291 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2292 * c-common.c (check_format_info): Don't check for the 'x'
2293 format character twice, instead check for 'x' and 'X'
2295 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2297 * configure.in (assembler features): Also make gas is configured if
2298 we find it in the souce tree.
2300 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2302 * i386.c (i386_comp_type_attributes): Compare whether the
2303 attributes are defined, not their tree nodes.
2305 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2307 * configure.in (gxx_include_dir): bitten by autoconf quoting
2309 * configure: rebuilt
2311 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2313 * configure.in: Ignore non-absolute value in $AS.
2315 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2317 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2319 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2321 * configure.in (msdosdjgpp): Set exeext and target_alias.
2323 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2325 * flow.c (XNMALLOC): New macro.
2326 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2328 (add_edge, add_edge_to_label): New static functions.
2329 (free_bb_memory): New function.
2330 (flow_delete_insn): Delete function.
2331 (basic_block_drops_in): Delete variable.
2332 (find_basic_blocks): Allocate and initialize basic_block_head,
2333 basic_block_succ. Don't allocate basic_block_drops_in.
2334 Call free_bb_memory at the beginning.
2335 (find_basic_blocks_1): Don't do multiple passes.
2336 Delete code to compute basic_block_drops_in.
2337 After calling make_edges, mark blocks reached by current block live.
2338 Update test for unreachable live blocks.
2339 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2341 Simplify to call add_edge_to_label when a LABEL_REF is found.
2342 (make_edges): Simplify to call add_edge_to_label instead of
2343 mark_label_ref most of the time.
2344 Compute here whether control drops into the next block.
2345 (delete_unreachable_blocks): Return void. All callers changed.
2346 Delete unreachable blocks in reverse order.
2347 After deleting all unreachable blocks, renumber the remaining ones
2348 and update n_basic_blocks.
2349 (delete_block): Speed up deletion a bit.
2350 Don't set basic_block_drops_in for deleted blocks.
2351 (free_basic_block_vars): Don't free basic_block_drops_in.
2352 (life_analysis_1): Update to use new edge representation.
2353 (dump_flow_info): Delete code to print basic block info; call
2354 dump_bb_data instead.
2355 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2356 and uid_block_number.
2357 Simply copy the previously computed cfg.
2358 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2359 Print register lifetime information if LIVE_INFO is nonzero.
2360 * basic-block.h (dump_bb_data): Adjust prototype.
2361 * gcse.c (gcse_main): Update call to dump_bb_data.
2362 * rtl.h (free_bb_memory): Declare.
2363 * toplev.c (rest_of_compilation): Call free_bb_memory.
2365 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2366 (update_eliminable_offsets): Don't compute it.
2367 (set_initial_elim_offsets): Don't initialize it.
2368 Break out some code into set_initial_label_offsets so the rest of
2369 this function can be called from reload_as_needed.
2370 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2371 ELIMINABLE_REGS isn't.
2372 (set_initial_label_offsets): New function, broken out of
2373 set_initial_elim_offsets.
2374 (set_offsets_for_label): New function, broken out of set_label_offsets
2375 and reload_as_needed.
2376 (reload): Call the two new functions.
2377 (reload_as_needed): Call set_initial_elim_offsets instead of
2378 duplicating the code. Likewise for set_offsets_for_label.
2380 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2381 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2382 any hard reg, reg_reloaded_dead contains valid data.
2384 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2386 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2387 "stdcall" and "cdecl" attributes.
2389 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2391 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2392 handle deleted no-op moves of hard registers.
2393 * haifa-sched.c (update_flow_info): Likewise.
2395 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2397 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2398 of the sequences to reload the HILO register which do not actually
2401 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2403 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2405 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2407 * except.c (emit_eh_context): Make the EH context register stay alive
2408 at -O0 so stupid.c doesn't get confused.
2410 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2412 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2414 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2415 Jeffrey A Law (law@cygnus.com)
2417 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2418 (zero_extendsidi2): Use # in output template and handle completely by
2420 (zero_extend splitters): New define_splits.
2421 (ashiftrt_32): New pattern.
2423 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2425 * tree.c (append_random_chars): New fn.
2426 (get_file_function_name_long): Use it.
2428 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2430 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2431 (LIBCPP_OBJS): New. Add cppulp.o.
2432 (cppmain, fix-header): Depend on and use libcpp.a.
2433 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2434 of the individual object files.
2435 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2438 * cccp.c (user_label_prefix): New.
2439 (main): Set it off -f*leading-underscore.
2440 (special_symbol): Use it.
2441 * cpplib.c (special_symbol): Likewise.
2442 (cpp_handle_option): Handle -f*leading-underscore.
2443 * cppulp.c: New file.
2445 * output.h (user_label_prefix): Declare it.
2446 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2447 * toplev.c (f_options, main): Handle -f*leading-underscore.
2449 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2450 referencing USER_LABEL_PREFIX directly.
2451 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2452 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2453 * final.c (asm_fprintf): Use user_label_prefix instead.
2454 * arm/thumb.c (thumb_print_operand): Likewise.
2456 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2457 cpp wherever appropriate.
2459 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2461 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2462 specific compiler switches.
2464 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2466 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2469 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2471 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2472 structure which has exactly the members provided by EXTRA_SPECS.
2473 Xmalloc() the real `extra_specs', and initialize it from this
2474 intermediate structure.
2476 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2478 * mips.h (EXTRA_SPECS): Likewise.
2480 * sparc.h (EXTRA_SPECS): Likewise.
2482 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2484 * function.c (purge_addressof_1): Instead of aborting when a
2485 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2486 work just put the ADDRESSOF on stack. Otherwise remember all such
2487 successfull replacements, so that exactly the same replacements
2488 can be made on the REG_NOTEs. Remove the special case for CALL
2490 (purge_addressof_replacements): New variable.
2491 (purge_addressof): Clear it at end.
2493 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2495 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2496 (lang_init): Call check_newline always.
2497 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2498 cpp_start_read, set yy_cur and yy_lim to read from
2499 parse_in.token_buffer, so that we'll see the first #line
2501 * cpplib.c (cpp_start_read): finclude the main input file
2502 before processing -include/-imacros. Process -imacros and
2503 -include separately, and handle -include by stacking a
2504 buffer for the file in question as if it'd been #included.
2505 * toplev.c (documented_lang_options) Recognize -H when
2508 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2510 * cpplib.c: Merge do_once into do_pragma. Break file handling
2511 code out of do_include.
2512 Move append_include_chain, deps_output,
2513 file_cleanup, redundant_include_p, import_hash,
2514 lookup_import, add_import, read_filename_string, read_name_map,
2515 open_include_file, finclude, safe_read to cppfiles.c.
2516 Move prototypes for deps_output, append_include_chain,
2517 finclude to cpplib.h. Move definition of struct
2518 file_name_list there also.
2520 * cppfiles.c: New file. Contains all the above functions
2521 broken out of cpplib.c; also hack_vms_include_specification
2522 from cccp.c and find_include_file, a new function broken out of
2525 * Makefile.in (cppmain): Depend on cppfiles.o.
2526 (fix-header): Likewise.
2527 (cppfiles.o): New target.
2528 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2529 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2531 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2533 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2534 if pending_types is non-zero.
2535 (dwarfout_finish): Verify pending_types is zero before finishing.
2537 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2539 * expr.c (convert_move): Use shifts to perform the move if a
2540 suitable extend pattern cannot be found. Code written by
2541 Richard Henderson <rth@cygnus.com>.
2543 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2545 * regclass.c (renumber, regno_allocated): New static variables, moved
2546 out of allocate_reg_info.
2547 (allocate_reg_info): Move these two variables outside the function.
2548 Move code to free memory into new function free_reg_info.
2549 (free_reg_info): New function, broken out of allocate_reg_info.
2550 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2551 * rtl.h (allocate_reg_info): Don't declare.
2552 (free_reg_info): Declare.
2554 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2556 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2558 * toplev.c (compile_file): Temporarily revert last change.
2560 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2562 * c-typeck.c (convert_for_assignment): Parenthesize.
2564 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2566 * reload1.c (delete_output_reload): Avoid ambigous else.
2568 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2570 * toplev.c (compile_file): Call allocate_reg_info to free register
2572 * rtl.h (allocate_reg_info): Declare.
2574 * PROJECTS: Remove entry for local spilling.
2576 * final.c (cleanup_subreg_operands): New function.
2577 (final_scan_insn): Use it.
2578 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2580 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2581 operands when reload has finished.
2582 * reload.h (cleanup_subreg_operands): Declare..
2583 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2584 reload. Handled in reload itself.
2586 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2588 * reload1.c (verify_initial_offsets): New function.
2589 (reload): Call it after reload_as_needed. Also verify that the frame
2590 size stays constant during reload_as_needed.
2591 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2593 * reload.h (struct insn_chain): Add need_operand_change element.
2594 * reload1.c (new_insn_chain): Clear it.
2595 (calculate_needs_all_insns): Set it; don't overload need_reload.
2596 (reload_as_needed): Use it.
2598 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2599 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2600 and reload_address_index_reg_class.
2601 (find_reloads_address_1): Likewise.
2602 * reload.h (reload_address_base_reg_class,
2603 reload_address_index_reg_class): Don't declare.
2604 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2605 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2606 (used_spill_regs): Now static.
2607 (reload_address_base_reg_class, reload_address_index_reg_class,
2608 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2609 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2610 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2613 (init_reload): Delete code to compute base/index reg classes.
2614 (reload): Delete variable J.
2615 Delete code to manage basic_block_needs.
2616 Don't compute regs_explicitly_used.
2617 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2618 pseudo_previous_regs.
2619 Initialize bad_spill_regs_global.
2620 Don't call order_regs_for_reload here.
2621 Don't initialize spill_reg_order and n_spills.
2622 Don't forbid explicitly used regs to be used for spill regs.
2623 Change main loop to infinite loop, with explicit break statements.
2624 Make SOMETHING_CHANGED variable local to that loop.
2625 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2626 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2627 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2629 Don't call dump_needs.
2630 Delete code to reset potential_reload_regs.
2631 Delete code to terminate loop conditional on the global needs variables
2632 showing no further needs.
2633 (calculate_needs_all_insns): Return void. All callers changed.
2634 Initialize somehing_needs_elimination here, not in reload.
2635 Delete avoid_return_reg kludge.
2636 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2637 All callers changed.
2638 Initialize the group_mode and group_size elements of the arg CHAIN.
2639 Delete code to manage basic_block_needs.
2640 Operate on elements of CHAIN instead of global variables.
2641 Delete avoid_return_reg kludge.
2642 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2643 All callers changed.
2644 Operate on elements of CHAIN instead of global variables.
2645 Delete special SMALL_REGISTER_CLASSES code.
2646 Delete spill_failure code; now in new_spill_reg.
2647 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2648 All callers changed.
2649 Operate on elements of CHAIN instead of global variables.
2650 (maybe_mark_pseudo_spilled): New static function.
2651 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2652 All callers changed.
2653 Operate on elements of CHAIN instead of global variables.
2654 Call order_regs_for_reload here, not in reload.
2655 Initialize spill_reg_order and n_spills.
2656 Simplify test whether an asm insn is involved.
2657 Delete spill_failure code; now in new_spill_reg.
2658 Call maybe_mark_pseudo_spilled for everything marked as live in
2659 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2661 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2662 compiler from optimizing this function (now unused) away.
2663 Operate on elements of CHAIN instead of global variables.
2664 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2666 Operate on elements of CHAIN instead of global variables.
2667 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2668 take CHAIN arg. All callers changed.
2669 Operate on elements of CHAIN instead of global variables.
2670 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2671 CHAIN, NONGROUP args. Return void. All callers changed.
2672 Verify caller isn't trying to spill a pseudo.
2673 Simplify test for illegal reg, just use bad_spill_regs.
2674 Generate better error messages.
2675 Operate on elements of CHAIN instead of global variables.
2676 Mark spilled register in CHAIN's used_spill_regs element.
2677 Don't call spill_hard_reg.
2678 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2679 Mark spilled hard regs in bad_spill_regs_global.
2680 Mark affected pseudos in spilled_pseudos, but don't spill them.
2681 (ior_hard_reg_set): New static function.
2682 (finish_spills): Return int. All callers changed.
2683 Compute spill_reg_order, n_spills and spill_regs here. Also update
2684 regs_ever_live for regs used as spills.
2685 For every pseudo in spilled_pseudos, spill it and mark the previous
2686 hard reg it had in pseudo_previous_regs. Compute which hard regs
2687 arseudo): New static function.
2688 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2689 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2690 hard registers explicitly used across the current insn into the set.
2691 Compute hard_reg_n_uses taking only pseudos live across this insn
2693 Tweak sorting of potential_reload_regs.
2694 (compare_spill_regs): Delete function.
2695 (reload_as_needed): Don't sort the spill_regs array, it's computed
2696 in proper order in finish_spills.
2697 Delete avoid_return_reg kludge.
2698 Delete code to manage basic_block_needs.
2699 (allocate_reload_reg): Minor speed/readability tweaks.
2700 Operate on elements of CHAIN instead of global variables.
2701 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2702 Delete avoid_return_reg kludge.
2703 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2704 Delete unused label FAIL.
2705 (reload_combine): Replce reload_address_index_reg_class with
2707 Don't use used_spill_regs to determine information about lifetime of
2710 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2712 * toplev.c (display_help): Ignore empty target specific
2713 options, and if -W is also specified on the command line then
2714 display undocumented options.
2716 * config/arm/arm.c: Updated with changes in devo sources.
2717 * config/arm/arm.h: Updated with changes in devo sources.
2718 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2719 * config/arm/lib1thumb.asm: Add ELF support.
2721 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2723 * collect2.c (aix64_flag): New variable.
2724 (main, case 'b'): Parse it.
2725 (GCC_CHECK_HDR): object magic number must match mode.
2726 (scan_prog_file): Only check for shared object if valid header.
2727 Print debugging if header/mode mismatch.
2729 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2731 Added support for arm-elf-linux configuration, submitted by Philip
2732 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2733 code developed by Catherine Moore <clm@cygnus.com>. The following
2736 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2739 * configure: Regenerated.
2741 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2742 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2743 definitions conditional on their not having been already defined.
2745 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2746 and .type directives, and add "(PLT)" qualification to function
2749 * config/arm/linux.h: Deleted. This file is now superceeded by
2750 either linux-elf.h or linux-aout.h.
2752 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2753 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2755 Move definitions from old linux.h file here.
2757 * config/arm/elf.h: New file. Generic ARM/ELF support.
2759 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2761 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2763 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2764 using the 26bit APCS.
2766 * config/arm/unknown-elf.h: New file. Support for OS'es other
2767 than Linux with ELF.
2769 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2772 * config/arm/coff.h: Include aout.h for basic assembler macros.
2773 Add support for -mstructure_size_boundary=<n> command line option.
2775 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2776 command line option. Make macro definitions conditional on their
2777 not having been already defined.
2779 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2780 command line option.
2783 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2785 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2786 has been changed to not include a newline. Use this macro instead.
2787 (output_enumeral_list, const_value_attribute, name_attribute,
2788 comp_dir_attribute, prototyped_attribute, producer_attribute,
2789 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2790 dwarfout_file_scope_decl, generate_new_sfname_entry,
2791 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2792 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2794 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2796 * combine.c (subst): Process the inputs to a parallel asm_operands
2799 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2801 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2803 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2805 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2807 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2809 * version.c: Bump for snapshot.
2811 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2813 * stmt.c (expand_fixup): Set fixup->before_jump to a
2814 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2816 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2818 * Makefile.in (recog.o): Depend on toplev.h.
2819 (insn-emit.o): Depend on recog.h.
2820 (insn-peep.o): Depend on recog.h and insn-config.h.
2822 * combine.c (simplify_set): Remove unused variable `scratches'.
2824 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2825 and `idx' in macro conditional controlling their use.
2827 * genemit.c (main): Make the generated output file include
2828 recog.h. Don't have it declare `insn_operand_constraint', since
2829 we get it from recog.h.
2831 * genpeep.c (main): Make the generated output file include
2832 insn-config.h and recog.h.
2834 * recog.c: Include toplev.h.
2835 (extract_insn): Remove unused variable `p'.
2837 * regclass.c (fix_register): Add missing braces around initializer
2839 (allocate_reg_info): Move variable `i' into the scope where it is
2840 used. Change its type to `size_t'.
2842 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2844 * reload.c (push_reload): When merging reloads, make sure
2845 that reload_in_reg and reload_in are from the same reload in
2848 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2850 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2851 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2853 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2855 * loop.c (loop_has_tablejump): New variable.
2856 (prescan_loop): Scan for it.
2857 (insert_bct): Replace explicit scan with use of it.
2858 * regclass.c (regclass): Restore loop variable j.
2859 (record_reg_classes): Deterine op_types modifiers and initialize
2860 classes[i] before matching constraints. Handle matching
2863 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2865 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2868 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2870 * mips.h (EXTRA_SPECS): Add missing initializers.
2872 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2874 * sparc.h (EXTRA_SPECS): Add missing initializers.
2875 (sparc_defer_case_vector): Provide a prototype.
2877 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2878 comparing it to the result of a pointer subtraction.
2880 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2882 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2883 the argument to (unsigned char).
2885 * alpha.h (EXTRA_SPECS): Add missing initializers.
2886 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2889 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2891 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2892 (propagate_block): Delete dead code after reload.
2894 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2895 back Oct 15, 1998 change.
2896 * haifa-sched.c (update_flow_info): Likewise.
2897 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2899 * mn10200.md (truncated shift): Accept constant inputs too.
2901 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2903 * machmode.h (mode_mask_array): No longer const.
2904 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2906 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2908 * frame.c: Somewhat explain `FDE'.
2909 Suggested by Brendan Kehoe
2911 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2913 * expr.c (pending_chain): Move up.
2914 (save_expr_status): Do save pending_chain.
2915 (restore_expr_status): And restore it.
2916 * function.h (struct function): Add pending_chain.
2918 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2920 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2921 did not match the code.
2923 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2925 * regclass.c (regclass): Break out some code into new function
2926 scan_one_insn, and into regclass_init.
2927 (init_cost): New static variable, moved out of regclass.
2928 (regclass_init): Initialize it here, not in .
2929 (scan_one_insn): New static function, broken out of regclass.
2930 * recog.c (apply_change_group): Break out some code into new
2931 function insn_invalid_p.
2932 (insn_invalid_p): New static fn, broken out of apply_change_group.
2934 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2936 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2937 reg_reloaded_contents matches incremented pseudo.
2939 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2941 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2943 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2944 addressing modes with side effects. These are currently
2945 placeholders for the C4x target.
2947 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2949 * loop.c (express_from): Make sure that when generating a PLUS of
2950 a PLUS, any constant expression appears on the outermost PLUS.
2952 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2954 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2955 works if "$(srcdir)" != ".".
2957 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2959 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2960 existing SUBREG if we can, otherwise abort.
2962 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2964 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2965 `restrict' is applied to a non-pointer variable.
2967 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2969 * invoke.texi: Document -flang-isoc9x.
2971 * Makefile.in (OBJS): Add splay-tree.o.
2972 (c-common.o): Depend on rtl.h.
2973 (splay-tree.o): List dependencies and provide build rule.
2975 * rtl.h (record_alias_subset): New function.
2976 * alias.c: Include splay-tree.h.
2977 (alias_set_entry): New type.
2978 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2979 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2980 (mems_in_disjoin_alias_sets_p): New function.
2981 (alias_set_compare): Likewise.
2982 (insert_subset_children): Likewise.
2983 (get_alias_set_entry): Likewise.
2985 * tree.h (TYPE_RESTRICT): New macro.
2986 (TYPE_UNQUALIFIED): New manifest constant.
2987 (TYPE_QUAL_CONST): Likewise
2988 (TYPE_QUAL_VOLATILE): Likewise.
2989 (TYPE_QUAL_RESTRICT): Likewise.
2990 (tree_type): Add restrict_flag. Reduce count of free bits.
2991 (DECL_POINTER_ALIAS_SET): New macro.
2992 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
2993 (tree_decl): Add pointer_alias_set.
2994 (build_qualified_type): New function.
2995 (build_type_variant): Define in terms of build_qualified_type.
2996 * tree.c (set_type_quals): New function.
2997 (make_node): Initializae DECL_POINTER_ALIAS_SET.
2998 (build_type_attribute_variant): Use build_qualified_type and
3000 (build_type_variant): Rename, and modify, to become...
3001 (build_qualified_type): New function.
3002 (build_complex_type): Use set_type_quals.
3004 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3005 (C_TYPE_FUNCTION_P): Likewise.
3006 (C_TYPE_INCOMPLETE_P): Likewise.
3007 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3008 (c_apply_type_quals_to_decl): New function.
3009 (c_build_qualified_type): New function.
3010 (c_build_type_variant): Define in terms of c_build_qualified_type.
3011 (flag_isoc9x): Declare.
3012 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3013 (common_type): Change to use TYPE_QUALS.
3014 (comptypes): Likewise.
3015 (convert_for_assignment): Likewise.
3016 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3017 * c-decl.c (flag_isoc9x): Define.
3018 (c_decode_option): Handle -flang-isoc9x.
3019 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3020 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3021 * c-lex.c (init_lex): Deal with restrict.
3022 (init_lex): Don't treat restrict as a reserved word in
3023 -traditional mode, or without -flang-isoc9x.
3024 * c-lex.h (rid): Add RID_RESTRICT.
3025 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3026 equivalent to RID_RESTRICT.
3027 * c-parse.in (TYPE_QUAL): Update comment.
3028 * c-common.c: Include rtl.h.
3029 (c_find_base_decl): New function.
3030 (c_build_type_variant): Rename, and modify, to become ...
3031 (c_build_qualified_type): New function.
3032 (c_apply_type_quals_to_decl): Likewise.
3033 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3034 a particular alias set for the reference.
3035 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3037 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3039 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3040 command line switches.
3042 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3044 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3047 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3049 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3051 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3053 * regclass.c (fix_register): Add error message.
3054 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3057 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3059 * c-decl.c (warn_missing_noreturn): New global variable.
3060 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3061 (finish_function): Implement missing noreturn warning.
3063 * c-tree.h (warn_missing_noreturn): Declare extern.
3065 * invoke.texi: Document new flags.
3067 * toplev.c (documented_lang_options): Add description.
3069 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3071 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3072 loop optimization stable for the C4x.
3073 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3074 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3075 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3077 (c4x_address_conflict): Be more paranoid when packing a volatile
3078 memref in a parallel load/store.
3080 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3082 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3083 repeat_block_filler): Deleted.
3084 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3085 Condition code not set if destination register from 'c' class.
3086 (*subbqi3_carry_clobber): Fix typo.
3088 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3090 * reorg.c (steal_delay_list_from_target) Check for insns that
3091 modify the condition codes and effect the direction of the jump
3094 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3096 * function.c (purge_addressof_1): Replace call to
3097 emit_insns_before() with emit_insn_before().
3099 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3101 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3103 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3105 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3107 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3109 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3110 clobbered across calls.
3112 * loop.c (scan_loop): Be more selective about what invariants are
3113 moved out of a loop.
3115 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3117 * version.c: Bump for snapshot.
3119 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3121 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3122 static eh_context structure.
3124 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3126 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3128 (try_combine): Don't update max_scratch.
3129 * flow.c (max_scratch, num_scratch): Delete variables.
3130 (life_analysis_1): Don't initialize max_scratch.
3131 (propagate_block): Don't update max_scratch.
3132 (mark_set_1): Don't increment num_scratch.
3133 * regs.h (max_scratch): Delete declaration.
3135 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3137 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3138 is nonzero. This is temporary!
3140 * sched.c (update_flow_info): Handle death notes made invalid by
3141 instruction splitting. Partially reverts Oct 15, 1998 patch.
3142 * haifa-sched.c (update_flow_info): Likewise.
3144 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3146 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3147 if it has a nonzero DECL_INITIAL.
3149 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3151 * Makefile.in (flow.o): Depend on recog.h.
3153 * cpplib.h (directive_table): Add missing initializiers.
3154 (finclude): Change type of variable `bsize' to size_t.
3156 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3158 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3160 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3161 `int' when comparing against one.
3162 (cpp_file_line_for_message): Mark parameter `pfile' with
3164 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3166 * flow.c: Include recog.h.
3167 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3169 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3170 `f' with ATTRIBUTE_UNUSED.
3171 (reposition_prologue_and_epilogue_notes): Likewise.
3173 * genopinit.c (gen_insn): Cast argument of ctype functions to
3176 * haifa-sched.c: Include recog.h.
3177 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3178 comparing against one.
3180 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3182 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3184 (parse_ent): Likewise.
3185 (parse_input): Likewise.
3187 * optabs.c (init_libfuncs): Likewise.
3189 * protoize.c (find_rightmost_formals_list): Likewise.
3191 * recog.h (const_double_operand): Fix typo in prototype.
3193 * tlink.c (scan_linker_output): Cast the argument of ctype
3194 function to `unsigned char'.
3196 * toplev.c (check_lang_option): Cast the result of `strlen' to
3197 `int' when comparing against one.
3199 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3201 * gcse.c (dump_cuid_table): Correct typo.
3203 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3205 * toplev.c (display_help): Prepend '-m' to target specific
3207 (check_lang_option): Ignore text after end of first word of a
3208 language specific option.
3210 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3212 * reload1.c (reg_used_by_pseudo): New static variable.
3213 (choose_reload_regs): Initialize it.
3214 Use it instead of testing spill_reg_order to determine whether a
3215 pseudo is live in a hard register across the current insn.
3216 Fix a typo in a reference to reload_reg_rtx.
3218 * flow.c (propagate_block): Replace code that computes and uses
3219 regs_sometimes_live with simpler code that just walks the set of
3220 currently live registers.
3222 * Makefile.in (insn-extract.o): Fix dependencies.
3223 * genextract.c (main): Generate includes for insn-config.h and
3225 Delete generation of declarations which are now in recog.h.
3226 * genrecog.c (main): Delete generation of definitions which are
3228 * local-alloc.c (block_alloc): Use extract_insn and the variables
3229 it sets up instead of looking up values by insn_code.
3230 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3231 recog_dup_num): Define here instead of generating the definition in
3233 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3234 recog_operand_mode, recog_constraints, recog_operand_address_p):
3236 (extract_insn): New function.
3237 * recog.h (extract_insn): Declare function.
3238 (which_alternative, recog_n_operands, recog_n_dups,
3239 recog_n_alternatives, recog_operand_mode, recog_constraints,
3240 recog_operand_address_p): Declare variables.
3241 * regclass.c (n_occurrences): New static function.
3242 * reload.c (n_occurrences): Delete function.
3243 (find_reloads): Use extract_insn.
3244 * reload.h (n_occurrences): Delete declaration.
3246 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3248 * reload1.c (reload_as_needed): Fix test for when to call
3249 update_eliminable_offsets.
3251 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3253 Fix consistency problems with reg_equiv_{mem,address};
3254 Improve reload inheritance;
3256 * reload.c (reload_out_reg): New variable.
3257 (loc_mentioned_in_p, remove_address_replacements): New functions.
3258 (remove_replacements): Deleted.
3259 (push_reload): Set reload_out_reg[i].
3260 When merging, also set reload_{in,out}_reg[i], and remove
3261 duplicate address reloads.
3262 (combine_reloads): Copy reload_out_reg[i].
3263 (find_reloads): Do make_memloc substitution also when
3264 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3266 Include *recog_operand_loc in commutativity operand changes.
3267 Generate optional output reloads.
3268 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3269 processing operands. Call make_memloc in reg_equiv_address code.
3270 Set *recog_operand_loc only after processing operands, and only
3271 if replace is true. Return a value.
3272 When changing address reload types for operands that didn't get
3273 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3274 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3275 Don't emit USEs for pseudo SUBREGs when not replacing.
3276 (find_reloads_address): Do make_memloc substitution also when
3277 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3279 (find_reloads_toplev): Likewise.
3280 Call make_memloc in reg_equiv_address code.
3281 (debug_reload_to_stream): Add code to output reload_out_reg.
3282 (make_memloc): Delete local variable i, ifdefed out code, and
3283 references to memlocs and n_memlocs.
3284 (memlocs, n_memlocs): Delete.
3285 (push_secondary_reload): Clear reload_out_reg.
3286 (find_reloads_address_1): Provide memrefloc argument to all calls
3287 to find_reloads_address.
3288 In AUTO_INC code, handle non-directly addressable equivalences properly.
3289 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3290 (find_reloads): Add return type.
3291 (remove_address_replacements, deallocate_reload_reg): Declare.
3292 * reload1.c (num_not_at_initial_offset): No longer static.
3293 (delete_address_reloads, delete_address_reloads_1): Likewise.
3294 (deallocate_reload_reg): New function.
3295 (spill_reg_stored_to): New array.
3296 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3297 (eliminate_regs_in_insn): Move assignments of previous_offset and
3298 max_offset fields, and recalculation of num_not_at_initial_offset
3299 into new static function:
3300 (update_eliminable_offsets) .
3301 (reload_as_needed): Call update_eliminable_offsetss after calling
3303 Call forget_old_reloads_1 with contents of reloaded auto_inc
3304 expressions if the actual addressing can't be changed to match the
3306 (choose_reload_regs): For inheritance, replace
3307 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3308 remove stand-alone reload_reg_used_at_all test.
3309 Use reload_out_reg to determine which reload regs have output reloads.
3310 Treat reload_override_in more similar to inherited reloads.
3311 Handle (subreg (reg... for inheritance.
3312 For flag_expensive_optimizations, add an extra pass to remove
3313 unnecessary reloads from known working inheritance.
3314 Delete obsolete code for pseudos replaced with MEMs.
3315 Handle inheritance from auto_inc expressions.
3316 (emit_reload_insns): If reload_in is a MEM, set OLD to
3318 Don't reload directly from oldequiv; if it's a pseudo with a
3319 stack slot, use reload_in[j].
3320 Check that reload_in_reg[j] is a MEM before replacing reload_in
3321 from reg_reloaded_contents.
3322 Include non-spill registers in reload inheritance processing.
3323 Also try to use reload_out_reg to set spill_reg_store /
3324 reg_last_reload_reg.
3325 In code to set new_spill_reg_store, use single_set to find out if
3326 there is a single set.
3327 Add code that allows to delete optional output reloads.
3328 Add code to allow deletion of output reloads that use no spill reg.
3329 At the end, set reload_override_in to oldequiv.
3330 Also call delete_output_reload if reload_out_reg is equal to old
3332 Add code to call delete_output_reload for stores with no matching load.
3333 Set / use spill_reg_stored_to.
3334 Handle case where secondary output reload uses a temporary, but
3335 actual store isn't found.
3336 When looking for a store of a value not loaded in order to call
3337 delete_output_reload, count_occurences should return 0 for no
3338 loads; but discount inherited input reloadill_reg_stored_to.
3339 Do checks for extra uses of REG. Changed all
3341 Use delete_address_reloads.
3342 (reload): Take return value of find_reloads into account.
3343 If a no-op set needs more than one reload, delete it.
3344 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3345 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3346 for the same operand.
3347 (clear_reload_reg_in_use): Check for other reloads that keep a
3349 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3350 RELOAD_FOR_OPADDR_ADDR.
3351 Take into account when an address address reload is only needed
3352 for the address reload we are considering.
3353 (count_occurrences): Use rtx_equal_p for MEMs.
3354 (inc_for_reload): Return instruction that stores into RELOADREG.
3355 New argument two, IN, and rtx. Changed all callers.
3356 (calculate_needs_all_insns, reload_as_needed):
3357 Don't clear after_call for a CLOBBER.
3358 Keep track of how many hard registers need to be copied from
3359 after_call, and don't clear after_call before we have seen
3360 that much copies, or we see a different instruction.
3362 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3364 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3365 after reload has completed.
3367 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3369 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3370 a macro name and the next token with a single blank if that whitespace
3371 is in a macro buffer and the next token is not '('.
3373 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3375 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3377 (skip_if_group): Ditto.
3378 (skip_to_end_of_comment): Ditto.
3380 (discard_comments): Ditto.
3381 (change_newlines): Ditto.
3383 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3385 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3387 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3389 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3390 (TARGET_OPTIONS): Add --help documentation.
3392 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3394 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3396 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3398 * fixinc/* Moved in from ../contrib directory in preparation
3399 for integrating it into the normal build process. In particular,
3400 fixinc/Makefile.in must be config-ed into the build directory
3401 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3402 ./configure.in will be "in the mail" momentarily.
3404 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3406 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3407 accidently walk into the free list. Comment how that can happen.
3408 (invalidate): Fix indentation.
3410 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3411 Jeffrey A Law (law@cygnus.com)
3413 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3414 reload. Never perform rescans of the insn chain after reload.
3415 (propagate_block): Do not delete insn or create new autoinc addressing
3418 * jump.c (jump_optimize): Unconditionally use the code that was
3419 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3420 * reload1.c (reload): When reloading is finished, delete all
3421 REG_DEAD and REG_UNUSED notes.
3422 (emit_reload_insns): Delete all code that was conditional on
3423 PRESERVE_DEATH_INFO_REGNO_P.
3424 (no_longer_dead_regs): Delete variable.
3425 (reload_cse_delete_death_notes): Delete function.
3426 (reload_cse_no_longer_dead): Delete function.
3427 (reload_cse_regs_1): Delete all code to handle deletion of death
3429 (reload_cse_noop_set_p): Likewise.
3430 (reload_cse_simplify_set): Likewise.
3431 (reload_cse_simplify_operands): Likewise.
3432 (reload_cse_move2add): Likewise.
3433 * reorg.c (used_spill_regs): Delete declaration.
3434 (max_label_num_after_reload): Delete declaration.
3435 (find_dead_or_set_registers): Don't assume that spill regs are
3436 dead at a CODE_LABEL.
3437 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3439 * sched.c (sched_analyze_insn): Likewise.
3440 (update_flow_info): Likewise.
3441 * haifa-sched.c (sched_analyze_insn): Likewise.
3442 (update_flow_info): Likewise.
3443 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3444 * toplev.c (max_label_num_after_reload): Delete variable.
3445 (rest_of_compilation): Don't set max_label_num_after_reload.
3446 Call life_analysis after reload_cse_regs if optimizing.
3447 * config/gmicro/gmicro.h: Delete comment referring to
3448 PRESERVE_DEATH_INFO_REGNO_P.
3449 * config/i386/i386.h: Likewise.
3450 * config/m88k/m88k.h: Likewise.
3451 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3452 * config/sh/sh.h: Likewise.
3454 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3456 * loop.c (strength_reduce): Restore marking bct_p as
3458 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3459 HAVE_decrement_and_branch_on_count.
3460 (small_data_operand): Remove TARGET_ELF condition for marking
3461 parameters ATTRIBUTE_UNUSED.
3463 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3465 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3466 (SELECT_SECTION): Resync with svr4.h.
3468 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3470 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3473 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3475 * c-pragma.c (handle_pragma_token): Test for null tree before
3476 dereferencing TREE_CODE.
3478 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3480 * config/c4x/c4x.c: Convert to use GEN_INT.
3481 (c4x_parallel_process): Rework to handle new repeat loop structure.
3483 * config/c4x/c4x.md: Convert to use GEN_INT.
3484 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3485 (decrement_and_branch_on_count): Likewise.
3487 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3488 loop.c has the desired functionality.
3489 (rc_reg_operand): New prototype.
3491 * config/c4x/t-c4x: Can now build all front ends.
3493 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3495 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3497 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3499 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3500 * config/t-rtems: Do not install assert.h -- use newlib's.
3502 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3504 * combine.c (combine_instructions): When finished, call init_recog.
3505 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3507 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3509 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3511 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3513 * cppalloc.c (memory_full): Mark function prototype with
3516 * demangle.h (collect_exit): Likewise.
3518 * fix-header.c (v_fatal, fatal): Likewise.
3520 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3523 * gcov.c (print_usage): Likewise.
3525 * genattr.c (fatal, fancy_abort): Likewise.
3527 * genattrtab.c (fatal, fancy_abort): Likewise.
3529 * gencodes.c (fatal, fancy_abort): Likewise.
3531 * genconfig.c (fatal, fancy_abort): Likewise.
3533 * genemit.c (fatal, fancy_abort): Likewise.
3535 * genextract.c (fatal, fancy_abort): Likewise.
3537 * genflags.c (fatal, fancy_abort): Likewise.
3539 * genopinit.c (fatal, fancy_abort): Likewise.
3541 * genoutput.c (fatal, fancy_abort): Likewise.
3543 * genpeep.c (fatal, fancy_abort): Likewise.
3545 * genrecog.c (fatal, fancy_abort): Likewise.
3547 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3548 __sjpopnthrow, __throw): Likewise.
3550 * objc/objc-act.c (objc_fatal): Likewise.
3552 * protoize.c (usage, aux_info_corrupted,
3553 declare_source_confusing): Likewise.
3555 * rtl.c (dump_and_abort): Likewise.
3557 * rtl.h (sets_cc0_p): Likewise.
3559 * toplev.c (float_signal, pipe_closed): Likewise.
3561 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3563 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3564 when generating the decision tree for the general case.
3566 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3567 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3569 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3571 * Makefile.in (sched.o): Depend on recog.h.
3573 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3574 (unsigned) when comparing against one.
3575 (find_base_value): Likewise.
3576 (record_base_value): Cast variable `regno' to (unsigned) when
3577 comparing against one. Cast the result of REGNO() macro to
3578 (unsigned) when comparing against one.
3579 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3581 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3582 variable where an unsigned index is needed.
3584 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3585 before comparing against one.
3587 * collect2.c: Add prototypes for functions `error', `fatal' and
3588 `fatal_perror'. Make these functions take variable arguments
3589 instead of faking it with a fixed number of args.
3590 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3593 * combine.c (can_combine_p): Mark parameter `pred' with
3595 (find_split_point): Cast variable `src' to (unsigned
3596 HOST_WIDE_INT) when comparing against one.
3597 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3598 (simplify_logical): Likewise.
3599 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3600 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3601 HOST_WIDE_INT) in shift.
3602 (simplify_and_const_int): Cast result of INTVAL() macro to
3603 `unsigned HOST_WIDE_INT' when comparing against one.
3604 (merge_outer_ops): Cast variable const0 to `unsigned
3605 HOST_WIDE_INT' when comparing against the result of
3606 GET_MODE_MASK() macro.
3607 (simplify_comparison): Likewise for variable `c0'. Cast variable
3608 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3609 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3610 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3611 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3612 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3613 comparing against one.
3614 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3616 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3617 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3618 (output_block_move): Cast `sizeof' expression to (int) when
3619 comparing against one.
3620 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3622 (save_restore_insns): Cast `base_offset' to `long' to match format
3623 specifier in fprintf.
3625 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3626 to `enum machine_mode'.
3628 * flow.c (life_analysis_1): Remove unused variable `insn'.
3630 * gcc.c (translate_options): Move variables `j' and `k' into the
3631 scope in which they are used. Change their types to `size_t'.
3632 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3633 (read_specs): Likewise.
3634 (process_command): Cast `sizeof' to (int) when comparing against one.
3635 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3636 (handle_braces): Cast both sides of `==' expression to `long' to
3637 ensure sign matching.
3638 (main): Cast variable `i' to `int' when comparing against one.
3640 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3641 int to size_t. Cast variable `i' to size_t when comparing against
3644 * genattrtab.c (convert_set_attr_alternative): Remove unused
3645 parameter `insn_code'. All callers changed.
3646 (convert_set_attr): Likewise.
3648 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3649 size_t when comparing against one. Likewise for variable `len'.
3651 * global.c (global_alloc): Cast variable `max_regno' to size_t
3652 when comparing against one. Likewise for variable `max_allocno'.
3654 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3656 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3657 `set' with ATTRIBUTE_UNUSED.
3658 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3661 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3662 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3663 (get_condition): Cast variable `const_val' to `unsigned
3664 HOST_WIDE_INT' when comparing against one. Cast unsigned
3665 expression to HOST_WIDE_INT when comparing against one.
3666 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3667 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3668 `unsigned' when comparing against one.
3670 * protoize.c (is_id_char): Change type of parameter `ch' to
3672 (munge_compile_params): Cast argument of ctype macro to (const
3674 (process_aux_info_file): Cast variable `aux_info_size' to int when
3675 comparing against one.
3676 (forward_to_next_token_char): Cast argument of ctype macro to
3677 `const unsigned char'.
3678 (edit_formals_lists): Likewise.
3679 (find_rightmost_formals_list): Likewise.
3680 (add_local_decl): Likewise.
3681 (add_global_decls): Likewise.
3682 (edit_fn_definition): Likewise.
3683 (do_cleaning): Likewise.
3684 (scan_for_missed_items): Likewise.
3685 (edit_file): Cast variable `orig_size' to (int) when comparing
3687 (main): Cast argument of ctype macro to `const unsigned char'.
3689 * recog.c (const_int_operand): Mark parameter `mode' with
3692 * regclass.c (record_reg_classes): Change type of variable `c' to
3693 `unsigned char'. Cast `char' array index to `unsigned char'.
3695 * reload.c (push_secondary_reload): Cast argument to
3696 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3698 * reload1.c (calculate_needs): Cast `char' array index to
3700 (set_label_offsets): Change type of variable `i' to unsigned int.
3701 Cast result of XVECLEN() macro to unsigned when comparing against
3703 (mark_not_eliminable): Change type of variable `i' to unsigned.
3704 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3705 when comparing against one.
3706 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3707 comparing against one.
3708 (choose_reload_regs): Hide unused label `fail'.
3709 (reload_cse_simplify_operands): Cast `char' array index to
3711 (reload_combine_note_store): Mark parameter `set' with
3712 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3714 (reload_cse_move2add): Remove unused variable `src2'.
3716 * sched.c: Include recog.h.
3717 (sched_note_set): Remove unused parameter `b'. All callers
3719 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3720 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3721 when comparing against one.
3723 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3724 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3725 comparing against one.
3727 * unroll.c (precondition_loop_p): Remove unused parameter
3728 `loop_end'. All callers changed.
3730 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3732 * reload1.c (maybe_fix_stack_asms): New static function.
3735 * reload.h (compute_use_by_pseudos): Declare.
3737 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3738 (something_needs_reloads): Delete variable.
3739 (finish_spills): New function.
3740 (compute_use_by_pseudos): New function.
3742 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3743 Use the reload_insn_chain instead of walking the rtl directly.
3745 (reload): Allocate and free spilled_pseudos.
3746 Ensure that all calls of spill_hard_reg are followed by a call to
3748 Use the insns_need_reload list instead of something_needs_reloads
3749 to find out if reload_as_needed must be called.
3750 Clear unused_insn_chains at the end.
3752 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3754 Delete code to keep track of current basic block.
3755 Walk reload_insn_chain instead of the rtl structure. Build the
3756 insns_need_reload chain.
3757 Remember which insns need reloading/elimination by setting the
3758 appropriate fields in struct insn_chain, not by putting modes on the
3761 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3762 arg INSN. All callers changed.
3763 Delete declaration of struct needs.
3764 Don't set something_needs_reloads.
3765 Record insn needs in the CHAIN argument.
3767 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3769 (reload_as_needed): Lose FIRST arg. All callers changed.
3770 Walk the reload_insn_chain instead of the rtx structure.
3771 Delete code to keep track of current basic block.
3772 Rename one of the NEXT variables to OLD_NEXT.
3774 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3776 (choose_reload_regs): Likewise.
3778 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3781 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3782 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3783 (hard_regs_live, hard_regs_need_restore): Delete variables.
3784 (n_regs_saved): Now static.
3785 (referenced_regs, this_insn_sets): New variables.
3787 (setup_save_areas): Restructure the code a bit.
3789 (restore_referenced_regs): Delete function.
3790 (mark_referenced_regs): New function, similar to the old
3791 restore_referenced_regs, but mark registers in referenced_regs.
3793 (clear_reg_live): Delete function.
3794 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3795 Only mark registers in this_insn_sets.
3797 (save_call_clobbered_regs): Rework this function to walk the
3798 reload_insn_chain instead of using the list of instructions directly.
3799 Delete code to keep track of register lives, compute live regs on the
3800 fly from information in the chain.
3801 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3802 then walk the set it computes and call insert_restore as appropriate.
3804 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3806 Restructure the code a bit. Test hard_regs_saved instead of
3807 hard_regs_need_restore.
3808 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3809 args. All callers changed.
3810 Restructure the code a bit. Use TO_SAVE to determine which regs to
3811 save instead of more complicated test.
3812 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3814 Create a new insn_chain structure for the new insn and place it
3817 * rtl.texi: Update documentation to reflect that reload no longer
3818 puts modes on the insns.
3820 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3822 * function.c (purge_addressof_1): Force the first argument of a
3823 CALL insn to memory.
3825 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3827 * rtl.h: Delete duplicate prototypes. Add some missing
3829 * rtlanal.c: (for_each_rtx): Formatting tweak.
3831 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3833 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3834 to be compatible with TI compiler.
3836 * Makefile.in (USER_H): Add va-c4x.h to definition.
3838 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3840 * function.c (purge_addressof_1): Fix typo in inequality: do
3841 bitfield optimization for equal mode sizes.
3842 * expmed.c (store_bit_field): Don't take subregs of subregs in
3843 the movstrict case. Tidy a potential problem in the multi-word case.
3844 (extract_bit_field): Likewise.
3846 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3848 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3850 Compute max_uid_for_flow by calling get_max_uid after the scan.
3851 (find_basic_blocks_1): Don't emit NOPs here.
3853 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3855 * alias.c (base_alias_check): Accept new args for the modes of the
3856 two references. Use them to determine if an AND can overlap. Update
3858 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3859 to determine if an AND can overlap.
3861 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3863 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3864 check. Add comment to document problems with TARGET_SUN_FPA version
3866 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3868 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3870 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3872 * c-common.c (print_char_table): Add missing initializers.
3873 (scan_char_table): Likewise.
3874 (time_char_table): Likewise.
3876 * c-decl.c (c_decode_option): Mark parameter `argc' with
3878 (declare_parm_level): Mark parameter `definition_flag' with
3881 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3882 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3885 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3887 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3889 (expand_call): Cast result of MIN() to (unsigned int) when
3890 comparing against an unsigned value.
3892 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3894 (make_definition): Remove unused parameter `op'. All callers
3896 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3897 comparing against the result of pointer arithmetic.
3899 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3900 when comparing against one.
3902 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3903 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3905 (output_die): Move variable `i' into the scope in which it is
3906 used. Change its type to `unsigned'.
3907 (output_die): Cast the result of `strlen' to (int) when passing it
3908 to ASM_OUTPUT_ASCII().
3909 (output_pubnames): Likewise.
3910 (output_line_info): Likewise.
3912 * emit-rtl.c (global_rtl): Add missing initializers.
3914 * explow.c (promote_mode): Mark parameter `for_call' with
3917 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3918 `unsigned HOST_WIDE_INT' when comparing against one.
3919 (synth_mult): Change type of variable `cost' to int.
3920 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3922 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3923 when comparing against one.
3924 (get_inner_reference): Change variable `alignment' to unsigned.
3925 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3926 int) when comparing against one.
3927 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3929 * fold-const.c (div_and_round_double): Cast BASE to
3930 (HOST_WIDE_INT) when comparing against one.
3932 * gencheck.c: Include gansidecl.h.
3933 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3935 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3936 `tcode' with ATTRIBUTE_UNUSED.
3938 * real.c (edivm): Cast constant value to (unsigned long) in
3939 expression compared against an unsigned value.
3941 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3942 comparing against one.
3943 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3944 when comparing against one.
3946 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3947 (unsigned int) when comparing against one. Likewise for
3949 (smallest_mode_for_size): Likewise.
3950 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3951 (restore_storage_status): Likewise.
3953 * toplev.c (debug_args): Add missing initializer.
3954 (f_options): Spelling correction. Add missing initializers.
3955 (documented_lang_options): Likewise.
3956 (debug_end_source_file): Mark parameter `lineno' with
3959 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3960 `decl' and `type' with ATTRIBUTE_UNUSED.
3962 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3963 when comparing against one.
3964 (assemble_variable): Mark parameter `top_level' with
3966 (assemble_external_libcall): Mark parameter `fun' with
3968 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3971 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3973 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3974 Replace use of r5 with use of r19.
3976 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3978 * config/v850/v850.c (compute_register_save_size): Allow for the
3979 fact that helper functions save all registers, not just those used
3982 Replace constant 31 with macro LINK_POINTER_REGNUM.
3984 * config/v850/v850.md: Use 'indirect_operand' rather than
3985 'memory_operand' for bit test/set/clear patterns.
3987 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
3989 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
3990 * varasm.c (assemble_start_function et al): Don't call
3991 ASM_GLOBALIZE_LABEL for weak symbols.
3993 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
3995 * cse.c (equiv_constant): Check for NULL return from
3996 gen_lowpart_if_possible().
3998 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4000 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4002 * collect2.c (main): Pass -EL/-EB through to the compiler.
4004 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4006 * expr.c (push_block): Handle targets where the stack grows
4007 to higher addresses, but args grow to lower addresses and
4008 ACCUMULATE_OUTGOING_ARGS is not defined.
4010 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4012 * config/v850/v850.c (print_operand): Extend meaning
4013 of 'c' operands to support .vtinherit.
4015 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4017 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4018 Added ATTRIBUTE_UNUSED to unused function arguments.
4019 (rc_reg_operand): New predicate.
4020 (c4x_rptb_insert): New function.
4021 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4022 (c4x_optimization_options): New function.
4024 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4025 (decrement_and_branch_on_count): New pattern.
4026 (rptb_top): Modified pattern to work with BCT optimization.
4028 * config/c4x/c4x.h (RC_REG): New register class.
4029 (rc_reg_operand): Define prototype.
4030 (IS_RC_REG): New macro.
4031 (IS_RC_OR_PSEUDO_REG): New macro.
4032 (IS_RC_OR_PSEUDO_REGNO): New macro.
4033 (OPTIMIZATION_OPTIONS): Define.
4035 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4037 * collect2.c (extract_init_priority): No priority is 65535.
4039 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4041 * Makefile.in (build_tooldir): new variable, same as old
4042 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4043 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4044 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4046 * configure.in (gxx_include_dir): set default based on unlibsubdir
4047 * Makefile.in (tooldir): ditto
4048 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4049 gxx_include_dir, includedir and tooldir
4050 (protoize.o, unprotoize.o): ditto
4052 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4054 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4056 * config/arm/thumb.c (thumb_override_options): Add warning about
4057 PIC code not being supported just yet.
4059 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4061 * flow.c: Update comment.
4062 (notice_stack_pointer_modification): New static function.
4063 (record_volatile_insns): Use it.
4064 (mark_regs_live_at_end): Mark the stack pointer as alive
4065 at the end of the function if current_function_sp_is_unchanging
4067 (life_analysis_1): Set current_function_sp_is_unchanging.
4068 * function.c: Define it.
4069 (init_function_start): Initialize it.
4070 * output.h: Declare it.
4071 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4072 the stack pointer as alive at the end of the function if
4073 current_function_sp_is_unchanging is set.
4074 * i386.c (ix86_epilogue): Optimize the restoring
4075 of the stack pointer.
4077 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4079 * version.c: Bump for snapshot.
4081 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4083 * c-pragma.c (handle_pragma_token): If passed a token instead
4084 of a tree, use that as the pack value.
4086 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4088 * flow.c (find_basic_blocks_1): Fix prototype.
4090 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4092 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4093 (struct tree_decl): New fields no_check_memory_usage.
4094 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4095 (init_attributes): Register it as a new attribute.
4096 (decl_attributes): Set flags on functions given that attribute.
4097 * c-decl.c (duplicate_decls): Merge new attribute.
4098 * expr.h (current_function_check_memory_usage): Declare new var.
4099 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4100 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4101 current_function_check_memory_usage.
4102 * function.h: Add field to struct function.
4103 * function.c (current_function_check_memory_usage): Define it.
4104 (push_function_context_to, pop_function_context_from): Save and
4106 (expand_function_start): Set it, based on global flag and function
4109 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4110 check non-automatic variables, to permit detection of writes to
4111 read-only locations in embedded systems without memory management.
4112 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4113 when emitting chkr_set_right_libfunc call, even if the argument is
4114 BLKmode or variable-sized; don't abort.
4116 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4117 symbols in Pmode, not VOIDmode.
4119 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4121 * cppexp.c: When forcing unsigned comparisons, cast both sides
4124 * cpphash.h: Move static declaration of hashtab[]...
4125 * cpphash.c: ...here.
4127 * cpplib.c: Cast difference of two pointers to size_t before
4128 comparing it to size_t. Cast signed to unsigned
4129 before comparing to size_t. (FIXME: struct argdata should use
4130 unsigned buffer sizes.)
4131 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4132 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4133 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4134 size_t before comparison.
4136 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4138 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4139 (find_basic_blocks_1): Similarly.
4140 * output.h (find_basic_blocks): Fix prototype.
4141 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4142 find_basic_blocks anymore.
4144 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4146 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4147 (sbitmap_free, sbitmap_vector_free): New macros.
4148 * output.h (rtl_dump_file): Declare.
4150 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4152 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4154 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4156 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4158 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4159 (divide): Remove unused variable `tmp'.
4160 (si_to_float): Cast numeric constant to (SItype) before comparing
4163 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4165 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4166 * gcc.c (add_preprocessor_option): Correct typo when allocating
4167 memory, sizeof() argument had one too many `*'.
4168 (add_assembler_option): Likewise.
4169 (add_linker_option): Likewise.
4170 * gcov.c (output_data): Likewise.
4171 * local-alloc.c (memref_used_between_p): Likewise.
4172 (update_equiv_regs): Likewise.
4173 * loop.c (strength_reduce): Likewise.
4174 * reg-stack.c (record_asm_reg_life): Likewise.
4175 (subst_asm_stack_reg): Likewise.
4176 * reorg.c (dbr_schedule): Likewise.
4178 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4180 * flow.c (life_analysis_1): Break out some functions.
4181 (find_basic_blocks_1): Likewise. Also move some variables out and
4183 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4184 new static var nonlocal_label_list with it.
4185 (active_eh_region, nested_eh_region, label_value_list,
4186 nonlocal_label_list): New static variables.
4187 (make_edges, delete_unreachable_blocks, delete_block): New static
4188 functions, broken out of find_basic_blocks_1.
4189 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4190 noop_move_p): New static functions, broken out of life_analysis_1.
4192 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4194 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4195 Take extra care for op0 now possibly being a subreg.
4196 (extract_bit_field): Likewise.
4197 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4198 the reg to memory if there is no equal sized integral mode.
4199 * stor-layout.c (int_mode_for_mode): New function.
4200 * machmode.h: Prototype it.
4202 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4204 * global.c (build_insn_chain): Verify no real insns exist past the
4205 end of the last basic block, then exit the loop.
4207 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4209 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4211 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4213 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4215 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4217 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4219 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4221 * flow.c (find_basic_blocks): Correctly determine when a call
4222 is within an exception region.
4224 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4226 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4228 * cpplib.h: Protect from multiple inclusions.
4229 * cpplib.c: Fix minor formatting problems.
4231 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4233 * jump.c (jump_optimize): Revert accidental patch.
4235 * Makefile.in (cpplib.o): Use unlibsubdir.
4237 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4239 * loop.c (get_condition): Allow combine when either compare is
4242 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4244 * version.c: Bump for snapshot.
4246 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4248 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4249 (init_lex): Initialize ridpointers[RID_BYREF].
4250 * c-lex.h (enum rid): Add RID_BYREF.
4251 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4252 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4253 (encode_type_qualifiers): Similarly
4254 * c-gperf.h: Rebuilt.
4256 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4258 * c-common.c (type_for_mode): Only return TItype nodes when
4259 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4260 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4261 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4262 (init_decl_processing): Only create TItype nodes when
4263 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4264 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4265 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4267 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4269 * stmt.c (n_occurrences): New static function.
4270 (expand_asm_operands): Verify that all constrains match in the
4271 number of alternatives.
4272 Verify that '+' or '=' are at the beginning of an output constraint.
4273 Don't allow '&' for input operands.
4274 Verify that '%' isn't written for the last operand.
4275 * reload.c (find_reloads): Abort if an asm is found with invalid
4276 constraints; all possible problems ought to be checked for earlier.
4278 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4280 * flags.h (flag_branch_on_count_reg): Always declare
4281 * toplev.c (flag_branch_on_count_reg): Likewise.
4282 * toplev.c: Fix typos.
4284 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4287 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4289 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4291 (find_basic_blocks_1): Add a nop to the end of a basic block when
4292 a trailing call insn does not have abnormal control flow.
4293 * gcse.c (pre_transpout): New variable.
4294 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4295 (compute_pre_transpout): Calculate it.
4296 (compute_pre_ppinout): Use it to eliminate impossible placements
4297 due to abnormal control flow through calls.
4298 (compute_pre_data): Call compute_pre_transpout.
4300 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4302 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4304 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4306 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4307 and matching define_insns): Tack on a `use' of the table label, so
4308 flow analysis will recognize a tablejump.
4310 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4312 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4313 always end basic blocks for abnormal edge reasons.
4315 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4317 * config/i386/i386.h: Remove definition of
4318 HANDLE_PRAGMA_PACK_PUSH_POP.
4320 * config/i386/go32.h: Add definition of
4321 HANDLE_PRAGMA_PACK_PUSH_POP.
4323 * config/i386/win32.h: Add definition of
4324 HANDLE_PRAGMA_PACK_PUSH_POP.
4326 * config/i386/cygwin32.h: Add definition of
4327 HANDLE_PRAGMA_PACK_PUSH_POP.
4329 * c-pragma.c (insert_pack_attributes): Do not insert
4330 attributes unless #pragma pack(push,<n>) is in effect.
4332 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4334 * expr.c (emit_group_store): Handle a PARALLEL destination.
4336 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4338 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4339 the new insns before the argument regs are loaded.
4341 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4343 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4344 (c-parse.gperf): Update comments describing invocation flags.
4345 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4347 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4349 * reload1.c (reload): Call free before clobbering the memory
4350 locations or constants pointers.
4352 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4354 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4355 for efficiency by checking whether we need to modify the current
4356 stack permission at all.
4357 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4358 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4359 __enable_execute_stack libcall here too if
4360 TRANSFER_FROM_TRAMPOLINE is defined.
4361 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4364 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4366 * Makefile.in (DRIVER_DEFINES): Remove last change.
4368 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4370 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4371 insns we're going to copy.
4372 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4374 * loop.c (count_one_set): Add prototype.
4376 * caller-save.c (restore_referenced_regs): Lose mode argument.
4377 (insert_save): Lose mode argument.
4378 (insert_restore): Lose mode argument.
4379 (insert_one_insn): Lose mode argument.
4380 (save_call_clobbered_regs): Lose mode argument.
4381 (setup_save_areas): Take no argument and return void. All callers
4383 Don't verify validity of memory addresses.
4384 * reload.h (setup_save_ares): Adjust prototype.
4385 (save_call_clobbered_regs): Likewise.
4386 * reload1.c (delete_caller_save_insns): New function.
4387 (caller_save_spill_class): Delete variable.
4388 (caller_save_group_size): Delete variable.
4389 (reload): Call setup_save_areas and save_call_clobbered_regs
4390 in the main loop, before calling calculate_needs_all_insns.
4391 Don't call save_call_clobbered_regs after the loop.
4392 Call delete_caller_save_insns at the end of an iteration if
4394 Delete code to manage caller_save_spill_class.
4395 Emit the final note before setting reload_first_uid.
4396 Simplify test that determines whether reload_as_needed gets run.
4397 (calculate_needs): Delete code to manage caller_save_spill_class.
4399 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4401 * collect2.c (main): Initialize ld_file_name.
4403 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4405 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4406 check for flag_function_sections.
4408 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4410 * cse.c (insert_regs): Fix bug in Sep 24 change.
4412 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4414 * flags.h (flag_dump_unnumbered): Declare.
4415 * toplev.c (flag_dump_unnumbered): Don't declare.
4416 * print-rtl.c (flags.h): Include.
4417 (print_rtl_single): Add return value.
4418 * rtl.h (print_rtl_single): Update declaration.
4419 * flow.c (flag_dump_unnumbered): Don't declare.
4420 (print_rtl_with_bb): Use return value of print_rtl_single.
4422 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4424 * loop.c (count_one_set): New static function, broken out of
4426 (count_loop_regs_set): Call it.
4427 * global.c (mark_reg_store): Handle clobbers here by not calling
4429 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4430 is in fact a clobber.
4431 * integrate.c (process_reg_param): New function, broken out of
4432 expand_inline_function.
4433 (expand_inline_function): Call it.
4436 * i386.md (addsidi3_1): Delete unused variable temp.
4437 (addsidi3_2): Likewise.
4438 (clstrstrsi): Delete unused variable addr1.
4440 * rtl.h: Don't declare any functions also declared in recog.h.
4442 * Makefile.in (stupid.o): Update dependencies.
4443 (global.o): Likewise.
4445 * global.c: Include reload.h
4446 (reg_becomes_live): New function.
4447 (reg_dies): New function.
4448 (build_insn_chain): New function.
4449 (global_alloc): Call build_insn_chain before calling reload.
4451 * reload.h (struct needs): New structure definition.
4452 (struct insn_chain): Likewise.
4453 (reload_insn_chain): Declare variable.
4454 (new_insn_chain): Declare function.
4457 * reload1.c (reload_startobj): New variable.
4458 (reload_insn_chain): New variable.
4459 (unused_insn_chains): New variable.
4460 (new_insn_chain): New function.
4461 (init_reload): Initialize reload_startobj, not reload_firstobj.
4462 (reload): Initialize reload_firstobj.
4463 Before returning, free everything on the reload_obstack.
4465 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4466 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4467 current_chain): New variables.
4468 (reg_where_born): Delete variable.
4469 (REG_WHERE_BORN): New macro.
4470 (find_clobbered_regs): New function.
4471 (stupid_life_analysis): Don't allocate/free reg_where_born.
4472 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4473 reg_where_dead_chain.
4474 Use REG_WHERE_BORN instead of reg_where_born.
4475 While processing the insns, build the reload_insn_chain with
4476 information about register lifetimes.
4477 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4478 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4480 Compute and information about birth and death of pseudo registers in
4481 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4482 Delete code to set elements of reg_where_born.
4484 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4486 * tree.def (GOTO_EXPR): Modified documentation.
4487 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4490 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4492 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4493 loop_final_value, loop_comparison_code): No longer static.
4494 (unroll_loop): Delete loop_start_value update.
4495 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4496 loop_final_value, loop_comparison_code): Extern.
4497 (loop_start_value): Delete extern.
4498 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4499 loop_comparison_value, loop_comparison_code): Delete.
4500 (loop_optimize): Remove initialization for deleted variables.
4501 (strength_reduce): Delete analyze_loop_iterations call. Only call
4502 insert_bct if flag_branch_count_on_reg set.
4503 (analyze_loop_iterations): Delete.
4504 (insert_bct): Remove iteration count calculation. Move checks for
4505 viable BCT optimization to here. Obtain iteration count from
4506 loop_iterations and correct for unrolling. Check for enough
4507 iteration to be beneficial. Comment out runtime iteration count
4509 (insert_bct): Print iteration count in dump file. Remove
4510 loop_var_mode and use word_mode directly.
4512 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4513 * rs6000.c (rs6000_override_options): Use it.
4514 (optimization_options): Enable use of flag_branch_on_count_reg.
4515 * rs6000.md (define_function_unit): Describe 604e.
4517 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4519 * loop.c (move_movables): Corrected threshold calculation for
4520 moved_once registers.
4522 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4524 * loop.c (combine_givs_p): Fix test for identical givs.
4526 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4528 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4529 call abort if the function is already defined.
4531 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4533 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4534 truncation is not a no-op.
4536 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4538 * version.c: Bump for snapshot.
4540 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4542 * version.c: Bump for snapshot.
4544 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4546 * expmed.c (expand_divmod): Don't widen for computing remainder
4547 if we seem to have a divmod pattern for needed mode.
4549 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4551 * cpplib.c (macroexpand): Correct off-by-one error in handling
4554 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4556 * combine.c (expand_field_assignment): Don't do bitwise operations
4557 on MODE_FLOAT; pun to MODE_INT if possible.
4559 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4560 scott snyder <snyder@d0sgif.fnal.gov>
4562 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4563 linker. Recognize mangled names in quotes.
4565 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4567 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4568 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4569 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4570 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4572 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4574 * function.c (purge_addressof_1): If trying to take a sub-word
4575 integral piece of a floating point mode, put it on the stack.
4577 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4579 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4581 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4583 * PROJECTS: Remove template friends.
4585 * collect2.c (sort_ids): Remove unused variable.
4587 * tm.texi (MATH_LIBRARY): Document.
4588 (NEED_MATH_LIBRARY): Remove.
4590 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4591 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4593 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4595 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4596 last_end to 0x7fffffff.
4598 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4600 * function.c (purge_addressof_1): Do not perform endianness
4601 corrections on bitpos, who we call will do it for us.
4603 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4605 * h8300.c (WORD_REG_USED): Fix typo.
4606 (initial_offset): Use WORD_REG_USED.
4608 * h8300.c (handle_pragma): Fix typo.
4610 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4612 * caller-save.c (insert_save_restore): Break this function up
4613 into new functions insert_restore, insert_save and insert_one_insn.
4614 All callers changed.
4615 (insert_restore): New function, mostly broken out of
4616 insert_save_restore.
4617 (insert_save): Likewise.
4618 (insert_one_insn): Likewise.
4619 (restore_referenced_regs): New argument BLOCK. All callers changed.
4620 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4621 in this function, do it in insert_one_insn instead.
4623 * reload1.c (reload): Break out some more pieces into separate
4625 (dump_needs): New function, broken out of reload.
4626 (set_initial_elim_offsets): Likewise.
4627 (init_elim_table): Likewise.
4628 (update_eliminables): Likewise.
4630 * global.c (global_alloc): Delete code to manage the scratch_list.
4631 * local-alloc.c (qty_scratch_rtx): Delete.
4632 (scratch_block): Delete.
4633 (scratch_list): Delete.
4634 (scratch_list_length): Delete.
4635 (scratch_index): Delete.
4636 (alloc_qty_for_scratch): Delete.
4637 (local-alloc): Update initialization of max_qty.
4638 Delete code to manage the scratch list.
4639 Delete code to allocate/initialize qty_scratch_rtx.
4640 (block_alloc): Don't allocate quantities for scratches.
4641 Delete code to manage the scratch list.
4642 * regs.h (scratch_list): Delete declaration.
4643 (scratch_block): Delete declaration.
4644 (scratch_list_length): Delete declaration.
4645 * reload1.c (reload): Delete code to manage the scratch list.
4646 (spill_hard_reg): Likewise.
4647 (mark_scratch_live): Delete.
4649 * recog.c (alter_subreg): Delete declaration.
4651 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4653 * Makefile.in (cccp.o): Fix typo in last patch.
4655 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4657 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4658 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4660 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4662 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4663 NULL_RTX as an argument.
4665 * Makefile.in (unlibsubdir): Define.
4666 (DRIVER_DEFINES): Use unlibsubdir.
4667 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4668 (stmp-fixinc): Similarly.
4670 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4672 * regmove.c (regmove_optimize): Add variable old_max_uid.
4673 At the end of the function, update basic_block_end.
4675 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4677 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4678 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4681 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4683 * config/arm/arm.c: Improve interworking support.
4685 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4687 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4688 copied from reload_out[r] .
4690 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4692 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4693 with more than three size ranges.
4695 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4697 * rtl.c (mode_name): Add a null string at the end of the array.
4698 (mode_wider_mode): Change type to unsigned char.
4699 (mode_mask_array): New variable.
4700 (init_rtl): Update for mode_wider_mode type change.
4702 * rtl.h (mode_wider_mode): Change type to unsigned char.
4703 (mode_mask_array): Declare.
4704 (GET_MODE_MASK): Use mode_mask_array.
4706 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4708 * calls.c (expand_call) : Encapsulate code into
4709 copy_blkmode_from_reg.
4710 * expr.c (copy_blkmode_from_reg): New function.
4711 * expr.h (copy_blkmode_from_reg): New function.
4712 * integrate.c (function_cannot_inline_p): We can inline
4714 (expand_inline_function): Use copy_blkmode_from_reg
4715 if needed. Avoid creating BLKmode REGs.
4716 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4719 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4721 * config/v850/v850.c: Add function prototypes.
4722 Add support for v850 special data areas.
4724 * config/v850/v850.h: Add support for v850 special data areas.
4726 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4727 HANDLE_PRAGMA_PACK_PUSH_POP.
4728 (push_alignment): New function: Cache an alignment requested
4729 by a #pragma pack(push,<n>).
4730 (pop_alignment): New function: Pop an alignment from the
4732 (insert_pack_attributes): New function: Generate __packed__
4733 and __aligned__ attributes for new decls whilst a #pragma pack
4735 (add_weak): New function: Cache a #pragma weak directive.
4736 (handle_pragma_token): Document calling conventions. Add
4737 support for #pragma pack(push,<n>) and #pragma pack (pop).
4739 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4740 are defined enable HANDLE_PRAGMA_PACK.
4741 Move 'struct weak_syms' here (from varasm.c).
4742 Add pragma states for push and pop pragmas.
4744 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4747 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4748 HANDLE_GENERIC_PRAGMAS.
4750 * varasm.c: Move definition of 'struct weak_syms' into
4752 (handle_pragma_weak): Deleted.
4754 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4756 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4758 * c-decl.c (start_function): Add invocation of
4759 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4761 * tm.texi: Remove description of non-existant macro
4762 SET_DEFAULT_SECTION_NAME.
4764 (HANDLE_SYSV_PRAGMA): Document.
4765 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4767 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4769 * config.sub: Recognize i[34567]86-pc-udk as new target.
4770 * configure.in: Likewise.
4771 * config/i386/t-udk: New file.
4772 * config/i386/udk.h: New file.
4774 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4776 * reorg.c (check_annul_list_true_false): Remove unused variables.
4777 (steal_delay_list_from_target): Add missing "used_annul" variable.
4778 (try_merge_delay_insns): Close out half formed comment.
4780 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4782 * cpplib.c (macroexpand): If arg->raw_before or
4783 arg->raw_after, remove any no-reexpansion escape at the
4784 beginning of the pasted token. Correct handling of whitespace
4785 markers and no-reexpand markers at the end if arg->raw_after.
4787 * toplev.c (documented_lang_options): Recognize -include,
4788 -imacros, -iwithprefix, -iwithprefixbefore.
4789 * cpplib.c (cpp_start_read): Process -imacros and -include
4790 switches at the same time and in command-line order, after
4791 initializing the dependency-output code. Emit properly nested
4792 #line directives for them. Emit a #line for the main file
4793 before processing these switches, and don't do it again
4796 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4798 * function.c (purge_addressof_1): Use bitfield manipulation
4799 routines to handle mem mode < reg mode.
4801 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4803 * reorg.c (try_merge_delay_insns): Account for resources referenced
4804 in each instruction in INSN's delay list before trying to eliminate
4805 useless instructions. Similarly when looking at a trial insn's delay
4808 * reorg.c (check_annul_list_true_false): New function.
4809 (steal_delay_list_from_{target,fallthrough}): Call it and also
4810 refine tests for when we may annul if already filled a slot.
4811 (fill_slots_from_thread): Likewise.
4812 (delete_from_delay_slot): Return newly-created thread.
4813 (try_merge_delay_isns): Use its new return value.
4815 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4817 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4818 used to compute a giv or as some other non-counting use.
4820 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4822 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4823 * local-alloc.c (find_free_reg): Use it.
4824 * global.c (find_reg): Likewise.
4825 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4827 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4828 * caller-save.c (init_caller_save): Use it.
4829 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4831 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4833 * configure.in: Add --enable-cpplib option which uses cpplib
4834 for cpp, but doesn't link cpplib into cc1. Make help text
4835 capitalization consistent.
4836 * configure: Rebuilt.
4838 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4840 * function.c (gen_mem_addressof): If the address REG is
4841 REG_USERVAR_P make the new REG be so also.
4842 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4843 in an attempt to clarify slightly.
4845 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4847 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4848 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4850 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4852 * toplev.c: Fix last patch.
4854 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4856 * loop.c (get_condition): Fix typo in May 9 change.
4858 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4860 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4862 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4864 * toplev.c (documented_lang_options): Spelling corrections.
4866 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4868 * configure.in: new flags --with-ld and --with-as, equivalent
4869 to setting LD and AS environment variables. Test whether
4870 specified arguments are GNU commands, and report them with
4871 checking messages. Use the specified AS for configure
4874 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4876 * gcc.c (find_a_file): when looking for `as' and `ld', return
4877 the DEFAULT program if it exists
4878 * collect2.c (main): use DEFAULT_LINKER if it exists
4880 * gcc.c (find_a_file): the test for existence of a full
4881 pathname was reversed
4883 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4885 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4886 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4888 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4890 * tree.h (TYPE_BINFO): Document.
4892 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4894 * i386-coff.h (dbxcoff.h): Added.
4896 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4898 * toplev.c: fix bad patch around flag_data_sections.
4900 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4902 * reload1.c (reload): Use reload_address_index_reg_class and
4903 reload_address_base_reg_class when setting
4904 caller_save_spill_class. (Patch generated by Jim Wilson:
4907 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4909 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4910 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4911 * expr.c (store_field): Add alias_set parameter. Set the
4912 MEM_ALIAS_SET accordingly, if the target is a MEM.
4913 (expand_assignment): Use it.
4914 (store_constructor_field): Pass 0.
4915 (expand_expr): Likewise.
4917 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4919 * flags.h: Add flag_data_sections.
4920 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4921 (compile_file): Error if flag_data_sections not supported.
4922 * varasm.c (assemble_variable): Handle flag_data_sections.
4923 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4924 * config/mips/elf.h: Likewise.
4925 * config/mips/elf64.h: Likewise.
4926 * invoke.texi: Describe -fdata-sections.
4928 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4930 * invoke.texi (-ffloat-store): Clarify that this option
4931 does not affect intermediate results -- only variables.
4933 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4935 * cpp.texi: Update for Fortran usage from Craig.
4937 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4939 * rs6000.c (function_arg_boundary): Revert accidental change on
4942 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4944 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4945 (output_mi_thunk): Declare.
4947 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4948 (output_function_profiler): Use r12 for temp, instead of r11 so
4949 that we preserve the static chain register.
4951 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4953 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4955 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4957 * sh.c (gen_shl_sext): Fix case 5.
4959 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4961 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4963 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4965 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4966 accessing variables until they are initialized via va_arg().
4968 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4970 * reload1.c (reload_combine): Initialize set before using.
4972 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4974 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4977 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4979 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4980 operand3 with mask before using it. Patch provided by Jim Wilson.
4982 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4984 * config/sparc/sparc.c (function_value): Perform the equivalent of
4985 PROMOTE_MODE for ARCH64.
4986 (eligible_for_epilogue_delay): Allow DImode operations in delay
4987 slot of a return for ARCH64.
4989 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4991 * sh.md (sqrtsf2): Fix mode of sqrt.
4993 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4995 * reload1.c (choose_reload_regs): Also try inheritance when
4996 reload_in is a stack slot of a pseudo, even if we already got a
4999 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5001 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5002 (reload_cse_regs): New function body: call reload_cse_regs_1,
5003 reload_combine, reload_cse_move2add.
5004 When doing expensive_optimizations, call reload_cse_regs_1 a
5005 second time after reload_cse_move2add.
5006 (reload_combine, reload_combine_note_store): New functions.
5007 (reload_combine_note_use): New function.
5008 (reload_cse_move2add, move2add_note_store): New functions.
5010 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5012 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5013 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5015 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5016 more than 3 such reloads.
5018 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5019 RELOAD_FOR_X_ADDR_ADDR reload.
5021 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5023 * expr.c (store_constructor): When initializing a field that is smaller
5024 than a word, at the start of a word, try to widen it to a full word.
5026 * cse.c (cse_insn): When we are about to change a register,
5027 remove any invalid references to it.
5029 (remove_invalid_subreg_refs): New function.
5030 (mention_regs): Special treatment for SUBREGs.
5031 (insert_regs): Don't strip SUBREG for call to mention_regs.
5032 Check if reg_tick needs to be bumped up before that call.
5033 (lookup_as_function): Try to match known word_mode constants when
5034 looking for a norrower constant.
5035 (canon_hash): Special treatment for SUBREGs.
5037 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5039 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5040 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5041 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5042 and offsets in actual stack trampoline code so they match the
5043 commentary and actually work.
5045 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5047 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5049 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5050 tmake_file. Set extra_parts to needed crt objects.
5051 * configure: Rebuilt.
5052 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5053 (TARGET_DEFAULT): Set if default is v9 or ultra.
5054 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5055 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5056 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5057 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5058 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5059 (TARGET_VERSION): Define.
5060 (MULTILIB_DEFAULT): Define.
5061 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5062 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5063 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5065 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5066 * config/sparc/sparc.c (sparc_override_options): If arch and
5067 pointer size disagree, emit diagnostic and fix it up. If
5068 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5069 V8PLUS in 64-bit mode.
5070 * config/sparc/t-linux64: New file.
5071 * config/sparc/t-sol2-64: New file.
5072 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5073 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5074 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5075 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5076 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5077 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5079 (STARTFILE_SPEC): Set approriately based upon those.
5080 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5081 disposition of DEFAULT_ARCH32_P.
5082 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5083 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5084 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5085 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5086 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5088 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5090 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5092 * rtl.h (init_virtual_regs): New function.
5093 * emit-rtl.c (init_virtual_regs): Define.
5094 (insn_emit): Use it.
5095 * integrate.c (save_for_inline_copying): Likewise.
5097 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5099 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5100 (enum reg_class): Add NONARG_LO_REGS support.
5101 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5102 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5103 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5104 completes. Re-enable HImode REG+OFFSET addresses.
5105 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5107 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5109 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5111 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5112 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5113 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5115 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5117 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5118 jumps as a single entity, taking into account the size of the
5121 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5123 * tree.def (SWITCH_EXPR): New tree node definition.
5125 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5127 * version.c: Bump for snapshot.
5129 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5131 * version.c: Bump for snapshot.
5133 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5135 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5138 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5140 * Revert this patch.
5141 * reload.c (find_reloads): Do not replace a pseudo with
5142 (MEM (reg_equiv_addr)) in the initializing insn for the
5145 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5147 * final.c (final_scan_insn): Disable tracking CC across branches.
5149 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5151 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5152 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5153 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5154 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5155 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5157 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5159 * toplev.c (rest_of_compilation): Skip compiling anything with
5160 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5162 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5164 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5165 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5166 use in_libcall_block.
5167 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5168 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5171 Mon Sep 21 14:02:23 1998
5173 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5174 typo in no-fancy-math-387 description.
5176 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5178 * version.c: Bump for snapshot.
5180 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5182 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5184 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5186 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5187 documented in install.texi.
5188 (TARGET_OPTIONS) Likewise.
5190 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5192 * version.c: Bump for snapshot.
5194 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5196 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5197 * cccp.c (main): Likewise.
5199 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5200 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5203 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5205 * Makefile.in (LIBS): Link in libiberty.a.
5206 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5208 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5210 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5211 it to update bb boundaries. Update caller.
5212 * function.c (reposition_prologue_and_epilogue_notes): Update
5213 bb boundaries wrt the moved note.
5215 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5217 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5219 * configure: Regenerate.
5221 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5223 * alpha.c (alpha_sr_alias_set): New variable.
5224 (override_options): Set it.
5225 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5226 (mode_mask_operand): Fix signed-unsigned comparision warning.
5227 (alpha_expand_block_move): Likewise.
5228 (print_operand): Likewise.
5229 (get_aligned_mem): Use change_address.
5230 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5231 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5232 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5233 (alpha_align_insns): Remade from old alphaev5_align_insns
5234 to handle multiple processors.
5235 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5236 * output.h (label_to_alignment): Prototype.
5238 * tree.c (new_alias_set): New function.
5239 * tree.h (new_alias_set): Declare it.
5240 * c-common.c (c_get_alias_set): Use it.
5242 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5244 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5245 to an ABS expr, convert an unsigned input to signed.
5247 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5249 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5251 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5253 * configure.in: Add support for c4x targets.
5254 * configure: Rebuilt.
5256 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5258 * combine.c (distribute_notes): If an insn is a cc0 user, only
5259 delete it if we can also delete the cc0 setter.
5261 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5263 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5264 (invert_truthvalue): Enable truthvalue inversion for
5265 floating-point operands if -ffast-math.
5267 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5269 * configure.in: Disable collect2 for nextstep. Instead use
5271 * configure: Rebuilt.
5272 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5273 (ENDFILE_SPEC): Define.
5274 (OBJECT_FORMAT_MACHO): Define.
5275 (EH_FRAME_SECTION_ASM_OP): Define.
5276 * crtstuff.c: Handle MACHO.
5278 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5280 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5282 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5284 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5285 (_fpadd_parts): Get sign right for 0.
5287 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5289 * ginclude/varargs.h: Add support for C4x target.
5290 * ginclude/stdargs.h: Likewise.
5292 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5294 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5295 (alpha_emit_set_long_const): Rewrite to be callable from reload
5297 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5298 * alpha.md (movdi): Likewise.
5300 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5302 * arm.c (add_constant): New parameter address_only, change caller.
5303 Set it non-zero if taking the address of an item in the pool.
5304 (arm_reorg): Handle cases where we need the address of an item in
5307 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5309 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5310 memory addresses that are not in standard canonical form.
5312 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5314 * README.C4X: New file with information about the c4x ports.
5315 * ginclude/va-c4x.h: New file for c4x varargs support.
5316 * config/c4x: New directory with c4x port files.
5318 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5320 * reload.c (find_reloads): Do not replace a pseudo with
5321 (MEM (reg_equiv_addr)) in the initializing insn for the
5324 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5326 * toplev.c (rest_of_compilation): Set bct_p on second call to
5328 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5330 (strength_reduce): Only call analyze_loop_iterations and
5331 insert_bct if bct_p set.
5332 (check_dbra_loop): Fix typo.
5333 (insert_bct): Use word_mode instead of SImode.
5334 (instrument_loop_bct): Likewise. Do not delete iteration count
5335 condition code generation insn. Initialize iteration count before
5337 * rtl.h (loop_optimize): Update prototype.
5339 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5340 not doubleword aligned.
5342 * rs6000.c (optimization_options): New function.
5343 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5344 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5345 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5346 first; cr1 can be used for FP record condition insns.
5348 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5350 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5353 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5356 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5358 (block_move_call): New function: Call a library routine to copy a
5360 (m32r_expand_block_move): New function: Expand a "movstrsi"
5361 pattern into a sequence of insns.
5362 (m32r_output_block_move): New function: Expand a
5363 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5364 (m32r_block_immediate_operand): New function: Return true if the
5365 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5367 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5369 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5371 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5373 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5375 * regmove.c (copy_src_to_dest): Check that modes match.
5377 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5379 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5381 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5383 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5384 narrower than FLOAT_REGS.
5386 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5388 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5390 * Makefile.in (old_gxx_include_dir): removed
5392 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5394 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5397 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5398 (sh_handle_pragma): Change function arguments to match new
5399 specification for HANDLE_PRAGMA.
5401 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5403 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5405 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5406 When generating output, initialize missing struct member to zero.
5408 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5410 * regmove.c (copy_src_to_dest): Don't copy if that requires
5411 (a) new register(s).
5413 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5415 * global.c (reg_allocno): Now static.
5416 * reload1.c (reg_allocno): Delete declaration.
5417 (order_regs_for_reload): Take no arguments. Don't treat regs
5418 allocated by global differently than those allocated by local-alloc.
5420 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5422 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5423 condition, fix format strings.
5424 (output_function_epilogue): Likewise.
5426 * m68k/m68k.c: Don't include <stdlib.h> directly.
5428 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5430 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5431 mem_first_set, mem_last_set; because 0 can be a CUID.
5432 (oprs_unchanged_p): Use new definition.
5433 (record_last_reg_set_info): Likewise.
5434 (record_last_mem_set_info): Likewise.
5435 (compute_hash_table): Likewise.
5437 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5439 * rs6000.c (output_epilogue): Handle Chill.
5441 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5442 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5444 * combine.c (make_extraction): If no mode is specified for
5445 an operand of insv, extv, or extzv, default it to word_mode.
5446 (simplify_comparison): Similarly.
5447 * expmed.c (store_bit_field): Similarly.
5448 (extract_bit_field): Similarly.
5449 * function.c (fixup_var_regs_1): Similarly.
5450 * recog.c (validate_replace_rtx_1): Similarly.
5451 * mips.md (extv, extzv, insv expanders): Default modes for most
5452 operands. Handle TARGET_64BIT.
5453 (movdi_uld, movdi_usd): New patterns.
5455 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5456 equivalent memory location unless we have been provided a scratch
5457 register. Similarly do not call find_replacement unless a
5458 scratch register has been provided.
5460 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5462 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5465 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5467 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5468 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5469 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5470 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5471 * c-decl.c (init_decl_processing): Update accordingly.
5472 * expr.c (expand_builtin): Likewise.
5474 * rtl.h (global_rtl): Add cfa entry.
5475 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5476 (LAST_VIRTUAL_REGISTER): Update.
5477 * emit-rtl.c (global_rtl): Add cfa entry.
5478 (init_emit): Initialize it.
5479 * function.c (cfa_offset): New.
5480 (instantiate_virtual_regs): Initialize it.
5481 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5482 (expand_function_end): Call expand_eh_return.
5483 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5485 * except.c (current_function_eh_stub_label): Kill.
5486 (current_function_eh_old_stub_label): Likwise; update all references.
5487 (expand_builtin_set_return_addr_reg): Kill.
5488 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5489 (expand_builtin_set_eh_regs): Kill.
5490 (eh_regs): Produce a third reg for the actual handler address.
5491 (eh_return_context, eh_return_stack_adjust): New.
5492 (eh_return_handler, eh_return_stub_label): New.
5493 (init_eh_for_function): Initialize them.
5494 (expand_builtin_eh_return, expand_eh_return): New.
5495 * except.h: Update prototypes.
5496 * flow.c (find_basic_blocks_1): Update references to the stub label.
5497 * function.h (struct function): Kill stub label elements.
5499 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5500 register number is one that would be in the previous window.
5501 Provide a dummy definition for non-windowed targets.
5502 (get_reg_addr): New function.
5503 (get_reg, put_reg, copy_reg): Use it.
5504 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5505 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5507 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5508 (alpha_init_expanders): Initialize it.
5509 (alpha_expand_epilogue): Use it.
5510 * alpha.h: Declare it.
5511 * alpha.md (eh_epilogue): New.
5513 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5514 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5516 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5518 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5521 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5523 * except.h (struct eh_entry): Add false_label field.
5524 (end_catch_handler): Add prototype.
5525 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5526 (start_catch_handler): When using old style exceptions, issue
5527 runtime typematch code before continuing with the handler.
5528 (end_catch_handler): New function, generates label after handler
5529 if needed by older style exceptions.
5530 (expand_start_all_catch): No need to check for new style exceptions.
5531 (output_exception_table_entry): Only output the first handler label
5532 for old style exceptions.
5533 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5534 mechanism into one function, if a runtime matcher is provided.
5536 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5538 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5540 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5542 * integrate.c (copy_decl_list): Fix typo.
5544 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5546 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5549 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5551 * version.c: Bump for snapshot.
5553 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5555 * version.c: Bump for snapshot.
5557 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5559 * version.c: Bump for snapshot.
5561 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5563 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5565 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5567 * configure.in: remove usage of `!' to negate the result of a
5568 command; some common shells do not support it
5570 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5572 * configure.in: in sparc9-sol2 config, use 'if test' not
5574 * configure: Rebuilt.
5576 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5578 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5579 (CPP_CPU_DEFAULT_SPEC): Likewise.
5580 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5581 for arch64 libfuncs.
5583 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5586 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5588 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5590 * collect2.c: Don't declare `sys_siglist' here.
5591 (my_strsignal): Prototype and define new function. Use it in
5592 place of `sys_siglist' hacks.
5594 * mips_tfile.c: Likewise.
5596 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5597 (GCC_NEED_DECLARATIONS): Likewise.
5599 * system.h (strsignal): Prototype it, if necessary.
5600 (sys_siglist): Declare it, if necessary.
5602 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5604 * loop.c (move_movables): While removing insn sequences, preserve
5605 the next pointer of the most recently deleted insn when we skip
5608 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5610 * objc/config-lang.in: Do not output the name of the selected
5611 thread file when building the front-end. The Makefile for the
5612 runtime library will do this.
5614 * objc/Make-lang.in: Do not build the runtime library or install
5615 the Objective C header files. The Makefile for the runtime
5616 library will do this.
5618 * objc/Makefile.in (all.indirect): Only build the front-end.
5619 (compiler): Rename to `frontend'.
5620 (obj-runtime): Remove target.
5621 (copy-headers): Likewise.
5622 (clean): No need to remove `libobjc.a' any longer.
5624 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5626 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5627 supported with -mcpu=xxx.
5629 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5631 * flow.c (mark_set_1): Recognize multi-register structure return
5632 values in CALL insns.
5633 (mark_used_regs): Likewise.
5634 (count_reg_sets_1): Likewise.
5635 (count_reg_references): Likewise.
5636 * rtlanal.c (note_stores): Likewise.
5637 (reg_overlap_mentioned_p): Likewise.
5638 * haifa-sched.c (check_live_1): Likewise.
5639 (update_live_1): Likewise.
5640 (sched_analyze_1): Likewise.
5641 (sched_note_set): Likewise.
5642 (birthing_insn_p): Likewise.
5643 (attach_deaths): Likewise.
5645 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5648 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5650 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5652 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5654 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5656 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5658 * configure.in: Add check for GAS subsection -1 support.
5659 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5660 * configure config.in: Rebuilt.
5661 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5662 SImode is subsection -1 works, else use DImode.
5663 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5664 subsection -1 works.
5665 * config/sparc/sparc.c (sparc_output_addr_vec,
5666 sparc_output_addr_diff_vec): Use them if defined.
5668 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5670 * tree.h (DECL_ORIGIN): New macro.
5671 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5672 (copy_decl_list): Use it.
5673 (integrate_parm_decls): Likewise.
5674 (integrate_decl_tree): Likewise.
5675 * dwarf2out.c (decl_ultimate_origin): Simplify.
5676 * dwarfout.c (decl_ultimate_origin): Likewise.
5677 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5678 (pushdecl): Likewise.
5680 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5682 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5684 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5686 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5688 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5690 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5691 empty or has a single entry.
5693 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5694 before calling reg_to_stack.
5696 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5698 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5699 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5701 * c-tree.h (warn_long_long): Declare it.
5703 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5705 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5706 initialized float-int union if the value is a NaN.
5708 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5710 * c-lex.c (real_yylex): Don't warn about long long constants if
5711 we're allowing long long
5713 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5715 * except.h (current_function_eh_stub_label): Declare.
5716 (current_function_eh_old_stub_label): Declare.
5717 * function.h (struct function): New members eh_stub_label and
5719 * except.c (current_function_eh_stub_label): New variable.
5720 (current_function_eh_old_stub_label): New variable.
5721 (init_eh_for_function): Clear them.
5722 (save_eh_status): Save them.
5723 (restore_eh_status): Restore them.
5724 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5725 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5726 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5727 make an edge from the block that contains it to the block starting
5728 with the label if this label is one of the eh stub labels.
5729 If eh stub labels exist, show they are reachable from the last block
5732 * reload1.c (reload): Break out several subroutines and make some
5734 (calculate_needs_all_insns): New function, broken out of reload.
5735 (calculate_needs): Likewise.
5736 (find_reload_regs): Likewise.
5737 (find_group): Likewise.
5738 (find_tworeg_group): Likewise.
5739 (something_needs_reloads): New global variable, formerly in reload.
5740 (something_needs_elimination): Likewise.
5741 (caller_save_spill_class): Likewise.
5742 (caller_save_group_size): Likewise.
5743 (max_needs): Likewise.
5744 (group_size): Likewise.
5745 (max_groups): Likewise.
5746 (max_nongroups): Likewise.
5747 (group_mode): Likewise.
5748 (max_needs_insn): Likewise.
5749 (max_groups_insn): Likewise.
5750 (max_nongroups_insn): Likewise.
5751 (failure): Likewise.
5753 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5755 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5757 * loop.c (load_mems): Copy rtx for output mem.
5759 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5761 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5762 mips1 or mips2 either.
5764 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5766 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5768 (pa_adjust_insn_length): Update to work with new marking scheme
5769 for jumps inside switch tables.
5770 * pa.md (switch_jump): Remove pattern.
5771 (jump): Handle jumps inside jump tables.
5773 * Makefile.in (profile.o): Depend on insn-config.h
5775 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5777 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5779 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5781 Add preliminary native sparcv9 Solaris support.
5782 * configure.in: Recognize sparv9-*-solaris2*
5783 * configure: rebuilt
5784 * config.sub: Recognize sparcv9 just like sparc64.
5785 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5786 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5787 32-bit and 64-bit Solaris systems.
5788 * config/sparc/t-sol2: Assemble those with cpp.
5789 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5790 (*TF*_LIBCALL): If ARCH64 use V9 names.
5791 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5793 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5795 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5796 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5798 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5800 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5801 to Pmode if CASE_VECTOR_MODE is something else.
5803 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5805 * prefix.c (update_path): Correctly handle cases where PATH is
5806 a substring of the builtin prefix, but specifies a different
5809 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5811 * expr.c: Corrected comment about what MOVE_RATIO does.
5812 * config/alpha/alpha.h: Ditto.
5813 * config/1750a/1750a.h: Ditto.
5814 * config/clipper/clipper.h: Ditto.
5815 * config/i386/i386.h: Ditto.
5817 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5819 * configure.in (m68k-next-nextstep3*): Use collect2.
5820 Similarly for x86 NeXT configurations.
5821 * configure: Rebuilt.
5823 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5825 * configure.in: Don't assume srcdir is .../gcc
5826 * configure: Rebuilt.
5828 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5830 * global.c: Update comments.
5831 (global_alloc): Assign allocation-numbers
5832 even for registers allocated by local_alloc in case
5833 they are later spilled and retry_global_alloc is called.
5834 (mark_reg_store, mark_reg_clobber,
5835 mark_reg_conflicts, mark_reg_death): Always record a
5836 conflict with a pseudo register even if it has been
5837 assigned to a hard register.
5838 (dump_conflicts): Don't list pseudo registers already assigned to
5839 a hard register as needing to be allocated, but do list their
5841 * local-alloc.c: Update comment.
5843 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5845 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5846 * configure: Rebuilt.
5848 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5850 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5852 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5853 for all targets that set -msoft-float.
5855 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5857 * toplev.c (print_switch_values): Make static to match prototype.
5859 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5861 * configure.in: If we are unable to find the "gnatbind" program,
5862 then do not configure the ada subdir.
5863 * configure: Rebuilt.
5865 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5867 * version.c: Bump for snapshot.
5869 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5871 * version.c: Bump for snapshot.
5873 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5875 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5876 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5878 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5880 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5882 * genextract.c: Have insn-extract.c include toplev.h.
5884 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5886 * toplev.c: Include expr.h.
5887 (really_sorry, fancy_abort): Remove prototypes.
5888 (set_target_switch): Add argument in prototype.
5889 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5890 (v_really_sorry): Likewise.
5891 (print_version, print_single_switch, print_switch_values): Make
5892 static and add prototype arguments.
5893 (decl_printable_name): Add prototype arguments.
5894 (lang_expand_expr_t): New typedef.
5895 (lang_expand_expr): Declare as a lang_expand_expr_t.
5896 (incomplete_decl_finalize_hook): Add prototype argument.
5897 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5898 (botch): Likewise for variable `s'.
5899 (rest_of_type_compilation): Mark variables `type' and `toplev'
5900 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5901 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5902 (display_help): Make variable `i' an `unsigned long'.
5903 (main): Remove unused parameter `envp'.
5904 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5905 Cast -1 when comparing it with a `size_t'.
5907 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5908 prototype with ATTRIBUTE_NORETURN.
5909 (fatal_insn_not_found, fatal_insn, really_sorry,
5910 push_float_handler, pop_float_handler): Add prototypes.
5911 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5912 (do_abort, botch): Add prototypes.
5914 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5916 * final.c (final): If a label is reached only from a single jump,
5917 call NOTICE_UPDATE_CC on the jump and its predecessor before
5918 emitting the insn after the label.
5920 * i386.h: Add AMD K6 support.
5921 Change TARGET_* macros to use table lookup.
5922 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5923 (ADJUST_COST): Change definition to call function in i386.c.
5924 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5925 * i386.c: Add AMD K6 support.
5926 Add constants for feature tests used by TARGET_* macros.
5927 (split_di): If before reload, call gen_lowpart and gen_highpart.
5928 (x86_adjust_cost): New function.
5929 (put_jump_code): New function.
5930 (print_operand): New codes 'D' and 'd'.
5931 * i386.md: New insn types. New insn attribute "memory".
5932 Redefine scheduling parameters to use new types and add AMD K6
5933 support. Explicitly set type of most insns.
5934 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5935 Pro and K6 prefer movl $1,reg to incl reg.
5936 (adddi3, subdi3): Set cc_status.
5937 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5938 to int; x86 can't have more than 2^31 DImode shifts per file.
5939 (setcc): Combine all setcc patterns. Allow writing memory.
5940 Combine all jump patterns using match_operator.
5941 (*bzero): Name pattern. Emit mutliple stos instructions when that
5942 is faster than rep stos.
5943 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5946 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5948 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5951 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5953 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5954 not whatever we're generating now.
5956 * alpha.c (set_frame_related_p, FRP): New.
5957 (alpha_expand_prologue): Mark frame related insns.
5958 (alpha_expand_epilogue): Likewise, but with a null FRP.
5959 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5960 * alpha.md (exception_receiver): New.
5961 * alpha/crtbegin.asm (.eh_frame): New beginning.
5962 (__do_frame_setup, __do_frame_takedown): New.
5963 * alpha/crtend.asm (.eh_frame): New ending.
5964 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5965 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5966 (ASM_FILE_START): Don't emit .file for dwarf2.
5968 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5969 * rtl.c (reg_note_name): Likewise.
5970 * rtl.texi (REG_NOTES): Likewise.
5971 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5974 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5976 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5977 * i386.md (movsf, movdf, movxf): Validate memory address returned
5978 from force_const_mem. Kill useless REG_EQUAL setting code.
5980 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5982 * m68k.md (zero_extendsidi2): Fix typo.
5984 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5986 * configure.in: Removed references to the removed file
5987 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
5988 * arm*-*-netbsd* and ns32k-*-netbsd*.
5989 * config/i386/xm-netbsd.h: Removed unnecessary file.
5990 * config/m68k/xm-netbsd.h: Likewise.
5991 * config/sparc/xm-netbsd.h: Likewise.
5992 * config/mips/xm-netbsd.h: Likewise.
5994 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
5996 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
5997 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
5999 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6000 for exact section attributions.
6002 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6004 * i386/crtdll.h (CPP_PREDEFINES): Define.
6006 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6008 * m68k.md (5200 movqi): Do not allow byte sized memory references
6010 * m68k.c (output_move_qimode): Do not use byte sized operations on
6013 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6014 explicit rules for building. Similarly for alloca, vfprintf,
6015 choose-temp and mkstemp, getopt, getopt1, and obstack.
6016 (INCLUDES): Add $(srcdir)/../include.
6017 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6018 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6020 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6022 * gcc.c (do_spec_1): [case 'o'] Account for
6023 lang_specific_extra_outfiles.
6024 (main): Correctly clear all slots in outfiles for
6025 lang_specific_extra_outfiles. Set input_file_number before
6026 calling lang_specific_pre_link.
6028 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6030 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6032 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6034 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6036 (sparc_output_deferred_case_vectors): If no work to do, return.
6037 Fix thinko in Sept 1 change.
6039 1998-09-03 SL Baur <steve@altair.xemacs.org>
6041 * Makefile.in: add semicolon in BISON definition for portability.
6043 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6045 * config/nextstep.c (handle_pragma): Correct name of third
6048 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6050 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6051 * config/m32r/m32r.h: Make register 17 be fixed.
6052 * config/m32r/m32r.c: Use SImode for cc operations.
6054 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6056 * invoke.texi (Warning Options): Add -Wnon-template-friend
6059 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6061 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6063 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6065 * rs6000.md (movsf): Disable explicit secondary-reload-like
6066 functionality if TARGET_POWERPC64.
6067 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6070 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6072 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6073 and term.h from fixinc.wrap.
6075 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6077 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6078 safe to include both string.h and strings.h together.
6079 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6080 which headers to search for function declarations. Continue to
6081 prefer string.h over strings.h when both are not acceptable.
6083 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6085 * configure.in: Call GCC_HEADER_STRING.
6087 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6088 to include. Continue to prefer string.h over strings.h when both
6091 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6093 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6094 not assume top 32-bits of symbolic addresses are zero if
6097 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6099 * ginclude/va-alpha.h: Protect entire second portion of the
6100 file against double inclusion.
6102 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6104 Added support for the Boehm's garbage collector.
6105 * configure.in: Handle --enable-objc-gc.
6106 * configure: Rebuilt.
6107 * Makefile.in (CHECK_TARGETS): Add check-objc.
6108 (check-objc): New rule.
6109 * objc/Make-lang.in: Build a different Objective-C library that
6110 runs with the Boehm's collector.
6111 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6112 * objc/encoding.c: Correctly compute the size of compound types in
6113 the presence of bitfields. Skip the variable name of the type if
6114 any. Added support for long long.
6115 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6116 (_F_GCINVISIBLE): New mask.
6117 * objc/gc.c: New file. Compute the type memory mask associated with
6118 a class based on the runtime information.
6119 * objc/misc.c: Added the hooks that use the Boehm's collector
6120 allocation functions.
6121 * objc/objc-act.c (build_class_template): Generate a new class
6122 member (gc_object_type) to hold the class' type memory mask.
6123 (build_shared_structure_initializer): Initialize the new member to
6125 (encode_complete_bitfield): New function. Generate the new
6127 (encode_field_decl): Generate the new encoding only for the GNU
6129 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6131 (class_get_gc_object_type): New function to mark a pointer instance
6132 variable as a weak pointer.
6133 * objc/objc-features.texi: New file.
6134 * objc/objc.h (gc_object_type): New class member.
6135 * objc/objects.c (class_create_instance): Create a typed memory
6136 object when compiled with Boehm's collector support.
6137 * objc/sendmsg.c (__objc_init_install_dtable): Call
6138 __objc_send_initialize instead of setting the initialize flag.
6139 (__objc_send_initialize): Call __objc_generate_gc_type_description
6140 to generate the class type memory mask. Rewrite the code that
6141 sends the +initialize so that it is called only once (bug report
6142 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6143 * testsuite/objc: New testsuite for Objective-C type encoding.
6144 * testsuite/lib/objc-torture.exp: New file.
6145 * testsuite/lib/objc.exp: New file.
6147 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6149 * jump.c (jump_optimize): In if/then/else transformations, add
6150 another call to modified_between_p for the jump insn.
6152 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6154 * fix-header.c (symlink): Treat like readlink.
6156 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6158 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6161 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6163 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6164 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6165 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6167 * config/nextstep.c (handle_pragma): Take three arguments, as per
6168 the new HANDLE_PRAGMA macro specification.
6169 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6170 per the new HANDLE_PRAGMA macro specification.
6171 * config/i960/i960.c (process_pragma): Take three arguments, as
6172 per the new HANDLE_PRAGMA macro specification.
6174 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6176 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6177 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6178 if unknown pragmas are encountered.
6179 (handle_sysv_pragma): Interpret return code from
6180 handle_pragma_token (). Return success/failure indication rather
6181 than next unprocessed character.
6182 (pragma_getc): New function: retrieves characters from the
6183 input stream. Defined when HANDLE_PRAGMA is enabled.
6184 (pragma_ungetc): New function: replaces characters back into the
6185 input stream. Defined when HANDLE_PRAGMA is enabled.
6187 * c-pragma.c (handle_pragma_token): Return success/failure status
6190 * c-pragma.h: Change prototype of handle_pragma_token().
6192 * varasm.c: (handle_pragma_weak): Only create this function if
6193 HANDLE_PRAGMA_WEAK is defined.
6195 * c-common,c (decl_attributes): If defined call the expression
6196 contained within the INSERT_ATTRIBUTES macro before adding
6197 attributes to a decl.
6199 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6200 HANDLE_PRAGMA, which takes three arguments.
6201 (INSERT_ATTRIBUTES): Document this new macro.
6203 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6204 new INSERT_ATTRIBUTES macro.
6206 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6208 * config/sparc/sparc.md (movdf): Only generate special RTL for
6209 LABEL_REFs when PIC.
6210 (move_label_di): Remove
6211 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6212 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6213 references when PIC.
6214 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6215 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6216 output an .xword for all 64-bit cases.
6218 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6220 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6221 alignment, use FUNCTION_BOUNDARY instead.
6222 (sparc_output_deferred_case_vectors): Likewise.
6224 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6226 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6227 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6229 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6231 * alpha/va_list.h: New file.
6232 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6234 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6236 * NEWS: Add SCO Openserver and Unixware 7 notes.
6240 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6242 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6243 (record_constant_1): Handle RANGE_EXPR.
6245 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6247 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6248 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6249 and NOTE_INSN_RANGE_END specially.
6250 (reemit_notes): Likewise.
6252 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6254 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6255 (ultrasparc_sched_init): Remove unneeded &.
6257 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6259 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6260 for m68020-60, to prevent the use of fintrz.
6262 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6264 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6266 * Makefile.in: Likewise.
6267 * configure: Regenerated.
6269 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6271 * configure.in (gxx_include_dir): Changed to
6272 '${prefix}/include/g++'-${libstdcxx_interface}.
6273 * configure: Rebuilt.
6275 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6277 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6279 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6280 *sequences* *below* which scalar moves will be used.
6282 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6284 * collect2.c (mktemp): Delete unused declaration.
6286 * config/xm-netbsd.h: Remove unnecessary file.
6287 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6288 file anymore, it is not needed.
6290 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6292 * convert.c (convert_to_integer): Issue an error on conversions to
6295 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6297 * Makefile.in: Add lang_tree_files and gencheck.h.
6298 * configure.in: Generate them.
6299 * gencheck.c: Include gencheck.h.
6301 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6303 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6304 movdi_lo_sum_pic and movdi_high_pic and make visible.
6305 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6306 emit these when Pmode is not SImode.
6307 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6309 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6311 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6312 .linkonce directive after the first time.
6314 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6316 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6317 the clobbered operand overlaps with an input.
6318 (bne0_di): Similarly.
6320 * Makefile.in (INSTALL): Remove "--no-header" argument.
6322 * NEWS: Various updates.
6324 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6326 * config/sparc/sparc.c (arith_operand, const64_operand,
6327 const64_high_operand, arith_double_4096_operand): Mark mode as
6329 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6331 (sparc_emit_set_const64): Remove unused variable i.
6332 (sparc_splitdi_legitimate): Likewise for addr_part.
6333 (ultra_code_from_mask): Likewise for mask.
6334 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6335 reverse return values so it matches usage and comments.
6336 (ultra_flush_pipeline): Likewise.
6337 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6338 this_type, and allow loads and stores of differing FP modes as
6339 they do not create a conflict.
6340 (ultra_find_type): Initialize fpmode to SFmode, fix
6341 parenthesization thinkos in large conditional.
6342 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6343 Init free_slot_mask after ultra_cur_hist is reset, not before.
6344 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6345 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6346 use ultra_flush_pipeline instead, then re-init group pointer.
6347 Fix statement with no effect. If no progress made in, and no
6348 instructions scheduled at all, advance to new pipeline cycle else
6349 we get into an endless loop.
6350 (ultrasparc_adjust_cost): Remove previous arg.
6351 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6353 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6355 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6356 code. Use reg_overlap_mentioned_p to detect when source and
6357 destination overlap.
6358 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6360 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6362 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6363 COMPARISON_VAL, into invariant_p.
6365 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6367 * regmove.c (regclass_compatible_p): New function.
6368 (regmove_optimize): Use it.
6370 Use NREGS parameter insted of calling max_reg_num.
6372 (fixup_match_1): Don't use code = MINUS when later tieing with
6373 a hard register is likely.
6375 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6377 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6378 COMPARISON_VAL was normalized.
6380 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6382 * loop.c (check_dbra_loop): The loop ending comparison value
6383 must be an invariant or we can not reverse the loop.
6385 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6386 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6388 (load_mems_and_recount_loop_regs_set): Likewise.
6390 * i386.c (print_operand): Remove obsolete 'c' docs.
6392 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6394 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6395 * frame.c (init_object_mutex): New function.
6396 (init_object_mutex_once): Likewise.
6397 (find_fde): Call it.
6398 (__register_frame_info): Likewise.
6399 (__register_frame_info_table): Likewise.
6400 (__deregister_frame_info): Likewise.
6402 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6404 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6406 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6408 * loop.c (check_dbra_loop): Enable code for reversal
6409 of some loops without a known constant loop end.
6411 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6413 * haifa-sched.c (last_clock_var): New.
6414 (schedule_block): Initialize it.
6415 (schedule_insn): Use it to fill insn modes with issue information.
6417 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6418 Tag trapb and next insn with TImode.
6419 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6420 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6421 Invoke alphaev5_align_insns as appropriate.
6422 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6423 (MD_SCHED_VARIABLE_ISSUE): New.
6424 * alpha.md (attr type): Add multi.
6425 (define_asm_attributes): New.
6426 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6427 (arg_home): Likewise.
6428 (fnop, unop, realign): New.
6430 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6432 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6433 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6435 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6436 (rs6000-ibm-aix4.[12]*): Likewise.
6437 * configure: Regnerate.
6439 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6441 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6442 already contains the return address.
6444 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6446 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6447 word sized hunks when loading unaligned args into registers.
6449 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6450 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6452 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6454 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6456 * loop.c (check_dbra_loop): Add some code that would allow reversal
6457 of some loops without a known constant loop end if it were enabled.
6459 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6461 * mips.md (lshrsi3_internal2+2): Fix type-o.
6463 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6465 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6466 correctly with regards to stdio.h.
6468 * calls.c: Remove stdarg.h/varargs.h.
6471 * combine.c: Likewise.
6472 * cpperror.c: Likewise.
6473 * cpplib.c: Likewise.
6474 * cpplib.h: Likewise.
6475 * doprint.c: Likewise.
6476 * emit-rtl.c: Likewise.
6477 * final.c: Likewise.
6478 * fix-header.c: Likewise.
6480 * genattr.c: Likewise.
6481 * genattrtab.c: Likewise.
6482 * gencodes.c: Likewise.
6483 * genconfig.c: Likewise.
6484 * genemit.c: Likewise.
6485 * genextract.c: Likewise.
6486 * genflags.c: Likewise.
6487 * genopinit.c: Likewise.
6488 * genoutput.c: Likewise.
6489 * genpeep.c: Likewise.
6490 * genrecog.c: Likewise.
6491 * mips-tfile.c: Likewise.
6492 * prefix.c: Likewise.
6493 * protoize.c: Likewise.
6494 * regmove.c: Likewise.
6495 * toplev.c: Likewise.
6498 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6500 * config/sparc/sparc.c (sparc_override_options): If not
6501 TARGET_FPU, turn off TARGET_VIS.
6502 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6503 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6504 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6505 (movdi_insn_sp64): Add VIS fzero alternative.
6506 (clear_sf, clear_df): New VIS patterns.
6507 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6509 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6511 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6513 * loop.c (n_times_set, n_times_used, may_not_optimize,
6514 reg_single_usage): Convert to varrays. All uses changed.
6515 (insert_loop_mem): Return a value.
6516 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6517 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6520 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6523 * configure.in: Do not set thread_file to "irix" since no such
6526 * sparc.md (float abs/neg splits): Check reload_completed before
6527 calling alter_subreg.
6529 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6531 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6533 * config/sparc/sparc.h: Declare it.
6534 * config/sparc/sparc.md (float abs/neg splits): Use it.
6535 (all other splits): Handle SUBREGs properly where necessary.
6536 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6538 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6540 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6541 an insn on the unfilled_slots_list that has no delay slots.
6542 (fill_eager_delay_slots): Similarly.
6544 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6546 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6547 as an ordinary operand.
6549 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6551 * tree.c (valid_machine_attribute): Don't apply attributes to both
6554 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6556 * reload.c (operands_match_p): Handle rtvecs.
6558 * i386.c (legitimate_pic_address_disp_p): New.
6559 (legitimate_address_p): Use it.
6560 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6561 Handle constant pool symbols just like statics.
6562 (emit_pic_move): Use Pmode not SImode for clarity.
6563 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6564 [UNSPEC]: New, handling what we killed above.
6565 [PLUS]: Detect and abort on invalid symbol arithmetic.
6566 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6568 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6570 * alias.c: Include output.h.
6571 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6572 different if we're in a varargs function.
6573 * Makefile.in (alias.o): Depend on output.h
6575 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6577 * sh.h (GIV_SORT_CRITERION): Delete.
6579 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6581 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6582 * stupid.c (stupid_life_analysis): Ditto.
6583 * reload1.c (reload): Ditto.
6585 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6587 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6588 arith_double_4096_operand, arith_double_add_operand): New
6590 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6591 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6592 them to transform add/sub 4096 into add/sub -4096.
6594 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6596 * loop.c (scan_loop): Allocate some slop to handle pseudos
6597 generated by move_movables.
6598 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6601 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6603 * tree.def (DECL_RESULT): Correct documentation.
6605 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6607 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6608 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6609 conflicts will all RELOAD_FOR_OUTPUT reloads.
6611 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6612 loads the function result, substitute with a USE.
6614 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6616 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6617 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6618 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6619 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6620 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6621 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6623 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6624 'o' to 'm' for GPR variant constraints.
6626 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6628 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6630 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6632 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6633 when the source and destination overlap.
6635 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6636 clash with global type.
6638 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6640 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6642 * c-common.c (combine_strings): Also set TREE_READONLY.
6643 Change warn_write_strings to flag_const_strings.
6644 * c-decl.c, c-tree.h: Likewise.
6646 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6648 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6649 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6650 sequence, use SET/IOR instead so CSE can see it.
6651 * config/sparc/sparc.md (movhi_const64_special,
6652 movsi_const64_special): New patterns necessitated by that change.
6653 (movhi_high): Remove.
6654 (movhi_lo_sum): Change to match an IOR.
6655 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6656 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6657 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6658 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6659 registers are involved.
6660 (snesi_zero_extend split): Remove reload_completed test.
6661 (unnamed plus and minus zero_extend sidi splits): Add it.
6663 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6665 * extend.texi: Remove description of extension to explicit
6666 instantiation that is now endorsed by standard C++.
6668 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6670 * config/arc/arc.c (arc_initialize_pic): Remove.
6671 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6672 nothing on any platform and is invoked by no-one, it does not even
6673 appear in the documentation.
6674 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6675 * config/sparc/sparc.c (initialize_pic): Likewise.
6676 (find_addr_reg): Remove this as well, no longer referenced after
6679 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6681 * recog.c (validate_replace_rtx_group): New function.
6682 * recog.h (validate_replace_rtx_group): Declare it.
6683 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6684 the entire group of substitutions.
6686 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6688 * loop.c (load_mems): Fix initializers.
6690 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6692 * config/sparc/sparc.md (TFmode splits): Handle destination
6693 registers being referenced in the address correctly.
6695 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6696 TREE_UNSIGNED, when bitsize of type's mode is larger than
6697 HOST_BITS_PER_WIDE_INT.
6699 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6701 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6702 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6703 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6705 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6708 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6710 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6711 * h8300.h (TINY_DATA_NAME_P): Likewise.
6712 (STRIP_NAME_ENCODING): Handle '&'.
6714 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6715 register (it could be accessed via an outer SUBREG).
6716 (REG_OK_FOR_BASE_P): Likewwise.
6717 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6719 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6722 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6724 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6726 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6727 must be offsettable so the splits can be made.
6729 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6731 * config/i386/winnt.c: Include system.h, not stdio.h to get
6732 sys/param.h pulled in before rtl.h in case the system defines MIN
6735 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6737 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6739 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6741 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6743 * cpplib.c (cpp_define): Handle macros with parameters.
6745 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6747 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6748 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6749 and DImode 64-bit. Use llong for minimal-toc SFmode and
6750 SYMBOL_REF / LABEL_REF 64-bit.
6751 (output_function_profiler): Use llong for profiler label and ld to
6752 load 64-bit label address.
6754 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6756 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6759 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6761 * version.c: Bump for snapshot.
6763 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6765 * version.c: Bump for snapshot.
6767 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6769 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6771 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6773 * tm.texi (Misc): Fix typo "teh".
6775 * tm.texi (PIC): Fix typo "PPIC".
6777 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6778 effect when -O2 and higher.
6779 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6781 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6783 * regclass.c: Changed register set documentation to be consistent
6786 * final.c (final_start_function) Removed redundant test for
6789 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6791 * rtl.h (rtx_function): New type.
6792 (for_each_rtx): New function.
6793 * rtlanal.c (for_each_rtx): Define it.
6795 * recog.c (change_t): New type.
6796 (change_objects, change_old_codes, change_locs, change_olds):
6798 (changes): New variable.
6799 (validate_change): Dynamically allocate room for more changes, if
6800 necessary. Uses changes array instead of change_objects, etc.
6801 (apply_change_group): Use changes array instead of
6802 change_objects, etc.
6804 * loop.c (loop_mem_info): New type.
6805 (loop_mems): New variable.
6806 (loop_mems_idx): Likewise.
6807 (looop_mems_allocated): Likewise.
6808 (scan_loop): Remove nregs parameter.
6809 (next_insn_in_loop): New function.
6810 (load_mems_and_recount_loop_regs_set): Likewise.
6811 (load_mems): Likewise.
6812 (insert_loop_mem): Likewise.
6813 (replace_loop_mem): Likewise.
6814 (replace_label): Likewise.
6815 (INSN_IN_RANGE_P): New macro.
6816 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6817 (scan_loop): Remove nregs parameter, compute it after any new
6818 registers are created by load_mems. Use INSN_IN_RANGE_P and
6819 next_insn_in_loop rather than expanding them inline. Call
6820 load_mems to load memory into pseudos, if appropriate.
6821 (prescan_loop): Figure out whether or not there are jumps from the
6822 loop to targets other than the label immediately following the
6823 loop. Call insert_loop_mem to notice all the MEMs used in the
6824 loop, if it could be safe to pull MEMs into REGs for the duration
6826 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6828 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6830 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6832 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6834 * config/sparc/sparc.c (finalize_pic): Check for the correct
6835 nonlocal_goto_receiver UNSPEC number.
6836 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6837 making note of this dependency existing in sparc.c
6838 (negtf2_notv9 split): Give NEG SFmode.
6839 (negsf2): Fix insn output string.
6841 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6843 * c-common.c (decl_attributes): Issue an error if the argument
6844 to alias is not a string.
6846 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6848 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6849 pending memory flush list.
6851 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6853 (try_combine): Allow combining insns with REG_LIBCALL notes.
6855 * expr.c (emit_block_move): Do not call memcpy as a libcall
6856 instead build up a CALL_EXPR and call it like any other
6858 (clear_storage): Similarly for memset.
6860 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6863 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6866 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6867 and REG_LIVE_LENGTH as successful substitutions are made.
6869 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6871 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6872 statement after end of loop label.
6874 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6876 * config/sparc/sparc.c (ultra_types_avail): New variable.
6877 (ultra_build_types_avail): New function to record mask of insn
6878 types in ready list at this cycle.
6879 (ultrasparc_sched_reorder): Call it.
6880 (ultra_find_type): Use it to quicken the search. Also simplif
6881 dependency check, don't use rtx_equal_p because we know exactly
6882 what we are looking for.
6884 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6886 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6887 for architecture v4.
6889 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6891 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6893 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6894 movdf_const_intreg and helper splits): New patterns to move float
6895 constants into integer registers.
6896 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6899 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6902 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6904 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6906 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6907 a BASE_REGS register is needed as an intermediate when copying
6908 a symbolic value into any register class other than BASE_REGS.
6910 * expr.c (move_by_pieces): No longer static. Remove prototype.
6911 * rtl.h (move_by_pieces): Add extern prototype.
6912 * mips.c (expand_block_move): Handle aligned straight line copy by
6913 calling move_by_pieces.
6915 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6918 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6920 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6921 jumps out of the loop to be treated as part of the exit test.
6923 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6924 Jeff Law <law@cygnus.com>
6926 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6927 * cplus-dem.c: Delete.
6929 * Makefile.in (fold-const.o): depend on $(RTL_H).
6931 * fold-const.c: Include rtl.h to get the prototype for
6932 `set_identifier_local_value'.
6934 * loop.c (express_from_1): Remove unused variable `tmp'.
6935 (combine_givs): cast the first argument of bzero to char *.
6937 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6939 * c-decl.c (init_decl_processing): Remove unneeded &.
6941 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6943 * except.c (set_exception_lang_code, set_exception_version_code):
6944 Change parameter from `short' to `int' to avoid using a gcc
6947 * except.h (set_exception_lang_code, set_exception_version_code):
6948 Likewise for prototypes.
6950 * flow.c (count_reg_references): Remove unused variables `regno'
6953 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6955 * prefix.c (translate_name): Cast the result of `alloca'.
6957 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6959 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6961 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6963 (valid_dbcc_comparison_p): Mark mode argument as unused.
6964 (symbolic_operand): Likewise.
6965 (legitimize_pic_address): Likewise.
6966 (const_uint32_operand): Likewise.
6967 (const_sint32_operand): Likewise.
6968 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6969 schedule_insns and comment out rest of file.
6971 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6973 (output_move_[hq]imode): Likewise.
6975 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6977 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6978 * invoke.texi: Corresponding changes.
6980 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6982 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6984 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6986 * config/sparc/sparc.c (ultra_code_from_mask,
6987 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
6988 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
6989 ultrasparc_sched_init, ultrasparc_variable_issue,
6990 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
6991 functions to describe UltraSPARC pipeline exactly to Haifa.
6992 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
6993 as there is nothing the scheduler can do about it. Indicate that
6994 REG_DEP_OUTPUT's collide. Fixup formatting.
6995 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
6996 divide costs on Ultra for DImode.
6997 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
6999 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7000 ieuN and add call_no_delay_slot to type list.
7001 (cti function unit): New unit for branches on UltraSPARC.
7002 (subx/addx insns): Set type to misc.
7003 (sidi zero/sign extension insns on arch64): Set type to shift.
7004 (sign_extendhidi2_insn): Set type to sload.
7006 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7008 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7009 (output_epilog): Use if != 0 for offset.
7010 (rs6000_fatal_bad_address): Prepare for Intl.
7011 * rs6000.h (rs6000_fatal_bad_address): Declare.
7012 * rs6000.md (movsfcc, movdfcc): Use else if.
7013 (elf_high): Use {liu|lis}.
7014 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7015 (movsi): Use rs6000_fatal_bad_address.
7017 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7019 * reload.c (find_equiv_reg): Reject equivalences separated
7020 by a volatile instruction.
7022 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7024 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7026 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7028 * alpha.md (movsicc): Fix mode mismatch.
7030 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7032 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7034 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7036 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7038 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7039 write-only modifier from operand 1 constraint.
7041 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7043 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7044 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7046 (sparc_emit_set_const64): Likewise, also when computing trailing
7047 bits do not negate low_bits and make fast_int an int.
7049 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7051 * loop.c (add_label_notes): Do not ignore references to labels
7052 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7053 * gcse.c (add_label_notes): Similarly.
7055 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7057 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7058 (adddi_dishl32): Similarly.
7060 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7062 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7063 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7064 * cse.c (cse_basic_block): Add parens to shut up warnings.
7066 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7068 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7069 sparc_emit_set_const64_longway, const64_is_2insns,
7070 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7071 in 64-bit constant formation.
7072 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7073 rtl for addx not subx.
7074 (define_insn movdi_const64_special): Make available even when
7075 HOST_BITS_PER_WIDE_INT is not 64.
7076 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7077 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7078 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7079 instances of operand 1 inside a QI subreg.
7080 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7081 (one_cmpldi2_sp64): Fix output string.
7082 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7084 (unnamed arch64 ashift DI): Truncate shift count if greater than
7087 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7089 * expr.c (store_expr): Don't optimize away load-store pair
7090 when either source or destination have a side effect.
7092 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7094 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7095 operands of SET are incompatible.
7097 * alpha.md: Fix max and min patterns so modes of SET operands match.
7099 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7101 * configure.in: Avoid [[ by using test and changequote.
7102 * configure: Rebuild.
7104 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7106 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7108 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7109 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7110 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7111 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7112 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7113 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7114 Fix mismatching modes in SET operands.
7115 (conditional move patterns): Fix formatting.
7116 (unnamed subx arch64 pattern): Remove duplicate insn.
7118 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7120 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7121 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7122 (input_operand): Fixup test for what we accept for constant
7124 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7126 (safe_constDI): Remove.
7127 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7128 gen_safe_XOR64): New functions.
7129 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7130 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7132 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7133 available when HOST_BITS_PER_WIDE_INT is not 64.
7134 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7135 move before movdi_insn_sp64 pattern.
7136 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7137 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7138 symbolic_operand as predicate for second operand.
7139 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7140 expander): Give set VOIDmode.
7142 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7144 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7146 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7148 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7150 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7152 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7154 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7156 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7158 * install.texi: Various SCO OpenServer tweaks.
7160 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7162 * reload1.c (eliminate_regs_in_insn): Handle another case when
7163 eliminating the frame pointer to the hard frame pointer. Add
7164 missing ep->to_rtx check to one existing case.
7166 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7168 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7170 * tree.h: De-conditionalize init_priority code.
7172 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7173 * collect2.c (NM_FLAGS): Change from -p to -n.
7175 * configure.in: Turn on collect2 for mipstx39-elf.
7176 Handle use_collect2=no properly.
7178 * c-common.c: De-conditionalize init_priority code.
7179 * collect2.c (extract_init_priority, sort_ids): New fns.
7180 (main): Call sort_ids.
7181 Move sequence_number to file scope.
7183 * configure.in: Handle --enable-init-priority.
7184 * c-common.c (attrs): Add A_INIT_PRIORITY.
7185 (init_attributes, decl_attributes): Likewise.
7186 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7187 * tree.c (get_file_function_name_long): Split out...
7188 (get_file_function_name): ...from here.
7190 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7192 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7195 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7197 * toplev.c (display_help): Add braces to shut up warnings.
7198 * tree.c (simple_cst_equal): Likewise.
7200 * fold-const.c (non_lvalue): Don't deal with null pointer
7202 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7204 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7205 of any size to a pointer.
7207 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7209 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7211 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7213 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7214 which will be saved.
7215 * mn10300.md (prologue insn): Only save registers which need saving.
7216 (epilogue insn): Similarly.
7218 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7221 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7223 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7224 VAR_DECL's in gp addressable sections.
7226 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7228 * sparc.c: Change return <exp> to <exp>; return; in functions
7230 * sparc.md: Add empty semicolon statement after final label in
7233 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7235 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7236 addx_extend_sp64, only allow when TARGET_ARCH64.
7237 (define_insn addx_extend_sp32 and split): Version that works when
7239 (define_insn subx_extend): Likewise.
7240 (define_split adddi3 and subdi3 with zero extension): Fixup and
7241 correct bugs when not TARGET_ARCH64.
7243 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7245 * except.c (set_exception_lang_code, set_exception_version_code):
7246 Use prototype-style definition if __STDC__, to match declaration
7249 * genemit.c: Change FAIL and DONE macros not to use loops.
7251 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7253 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7254 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7256 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7258 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7260 * README.g77: Update from Craig.
7262 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7264 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7266 (safe_constDI sparc_emit_set_const64_quick1,
7267 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7268 analyze_64bit_constant, const64_is_2insns,
7269 create_simple_focus_bits): Fix some bugs when compiled on real
7271 (function_arg_record_value_3, function_arg_record_value_2,
7272 function_arg_record_value): Add fully prototyped forward decls.
7273 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7274 to cmpsi_insn and use on both 64 and 32 bit targets.
7275 (define_insn cmpsi_insn_sp64): Remove.
7276 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7277 (define_insn zero_extendsidi2_insn): Rename to
7278 zero_extendsidi2_insn_sp64.
7279 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7280 assosciated forced split for it.
7282 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7284 * config/sparc/sparc.h: Declare them.
7285 (PREDICATE_CODES): Add them.
7286 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7287 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7289 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7291 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7292 in v9 case as the latter makes the Solaris assembler crash.
7294 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7296 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7297 for TFmode when !v9. We require offsettable memory addresses.
7298 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7299 DFmode register number conversions.
7300 * config/sparc/sparc.md (define_split DFmode moves): If register
7301 is a SUBREG do alter_subreg on it before using.
7302 (define_expand movtf): Fixup comment about alignment on v9.
7303 (define_split TFmode moves): Don't use gen_{high,low}part, create
7304 explicit SUBREGs instead.
7306 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7308 * Makefile.in (mbchar.o): Depend on mbchar.c.
7310 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7311 Richard Henderson <rth@cygnus.com>
7313 Rewrite Sparc backend for better code generation and
7314 improved sparc64 support.
7315 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7317 * config/sparc/sysv4.h: Likewise.
7318 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7319 move_operand, v8plus_regcmp_op, emit_move_sequence,
7320 singlemove_string, doublemove_string, mem_aligned_8,
7321 output_move_double, output_move_quad, output_fp_move_double,
7322 move_quad_direction, output_fp_move_quad, output_scc_insn):
7324 (small_int_or_double): New predicate.
7325 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7326 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7327 old pic_{sethi,lo_sum}_si patterns.
7328 (mem_min_alignment): New generic function to replace
7329 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7330 available and can test for arbitrary alignments. All callers
7332 (save_regs, restore_regs, build_big_number,
7333 output_function_prologue, output_cbranch, output_return,
7334 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7335 sparc_flat_output_function_epilogue): Prettify
7337 (output_function_epilogue): Likewise and add code to output
7338 deferred case vectors.
7339 (output_v9branch): Likewise, add new arg INSN and use it to tack
7340 on branch prediction settings. All callers changed.
7341 (print_operand): Likewise and output %l44 for LO_SUMs when
7343 (sparc_splitdi_legitimate): New function to make sure DImode
7344 splits can be run properly when !arch64.
7345 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7346 Reformat example code in comments.
7347 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7348 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7349 of deferred case vectors we need to output.
7350 (sparc_defer_case_vector): Record a case vector.
7351 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7352 sparc_output_deferred_case_vectors): New functions to output them.
7353 (sparc_emit_set_const32): New function to form 32-bit constants in
7354 registers when that requires more than one instruction.
7355 (safe_constDI, sparc_emit_set_const64_quick1,
7356 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7357 analyze_64bit_constant, const64_is_2insns,
7358 create_simple_focus_bits, sparc_emit_set_const64): New functions
7359 which do the same for 64-bit constants when arch64.
7360 (sparc_emit_set_symbolic_const64): New function to emit address
7361 loading for all code models on v9.
7362 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7363 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7364 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7365 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7366 inaccuracies in comments, add symbolic and text_segment operands
7367 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7368 GENERAL_REGS in these cases as a temp REG is needed to load these
7369 addresses into a register properly.
7370 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7372 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7373 quads are guarenteed to have 16-byte alignment.
7374 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7375 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7376 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7377 deferred case vector implementation.
7378 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7379 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7380 Generate "internal label - label" instead of "label - 1b".
7381 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7382 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7383 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7385 (doublemove_string, output_block_move, output_fp_move_double,
7386 output_fp_move_quad, output_move_double, output_move_quad,
7387 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7388 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7389 (sparc_emit_set_const32, sparc_emit_set_const64,
7390 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7391 mem_min_alignment, small_int_or_double): Add externs.
7392 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7393 UNSPEC_VOLATILE in this backend.
7394 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7395 unary to types which execute in it.
7396 (define_function_unit ieu_shift): Rename to ieu0.
7397 (define_function_unit ieu1): New, executes compare, call, and
7398 uncond_branch type insns.
7399 (define_function_units for type fdivs, fdivd, fsqrt): These
7400 execute in the fpu multiply unit not the adder on UltraSparc.
7401 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7402 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7403 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7404 allows the arith_double_operand predicate and rHI constraint when
7406 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7407 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7408 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7409 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7410 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7411 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7412 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7413 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7414 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7415 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7416 sign_extendqihi2_insn, sign_extendqisi2_insn,
7417 sign_extendqidi2_insn, sign_extendhidi2_insn,
7418 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7419 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7420 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7421 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7422 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7423 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7424 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7425 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7426 smulsi3_highpart_v8plus, unnamed subreg mult,
7427 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7428 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7429 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7430 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7431 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7432 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7433 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7434 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7435 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7436 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7437 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7438 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7439 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7440 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7441 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7442 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7443 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7444 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7445 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7446 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7447 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7448 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7449 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7450 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7451 call_address_untyped_struct_value_sp32,
7452 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7453 call_value_symbolic_sp32, call_value_address_sp64,
7454 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7455 flush_register_windows, goto_handler_and_restore,
7456 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7457 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7458 return_addsi, return_di, return_adddi, return_sf, all call+jump
7459 peepholes, trap, unnamed trap insns): Prettify output strings.
7460 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7461 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7462 Likewise and force + implement splits for integer cases.
7463 (define_insn return_sf_no_fpu): Likewise and allow to match when
7464 no-fpu because of our subreg SFmode splits.
7465 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7466 zero_extendqidi2_insn, zero_extendhidi2_insn,
7467 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7468 input_operand for second operand.
7469 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7470 reg_or_0_operand for operand 2 so new splits can use it.
7471 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7472 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7474 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7475 CONST_DOUBLEs for operand 2.
7476 (define_insn move_label_di): Likewise and label distance
7477 optimization because it no longer works with new deferred case
7478 vector scheme. To be revisited.
7479 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7480 and allow reg_or_0_operand and J constraint for second operand.
7481 (define_insn jump): Set branch predict taken on V9.
7482 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7483 new deferred case vector scheme.
7484 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7485 (define_insn negdi2_sp32): Force + implement splits.
7486 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7487 one_cmplsi2_not_liveg0 respectively, and create expander of original
7488 names which emit special rtl for TARGET_LIVE_G0.
7489 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7490 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7491 gen_compare_reg, FAIL instead.
7492 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7493 values when trying to reverse condition codes, if they FAIL then
7495 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7496 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7497 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7498 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7499 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7500 set output string to # to indicate they are mandatory splits.
7501 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7502 pic_sethi_di, move_pic_label_si): Remove.
7503 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7504 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7506 (define_expand movsi_pic_label_ref, define_insn
7507 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7508 expander and insns to handle PIC label references and deferred
7510 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7512 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7513 Rewrite to not use emit_move_sequence, make use of new constant
7514 formation code, and new splits for all multi-insn cases.
7515 (define_insn movqi_insn): Remove sethi case, it can never happen.
7516 Use reg_or_zero_operand instead of const0_rtx explicit test,
7517 use input_operand instead of move_operand for source, and use
7518 general_operand now for dest.
7519 (define_insn movhi_insn): Similar but leave sethi case.
7520 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7521 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7522 movhi_lo_sum respectively, prettify output string.
7523 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7524 register when needed on TARGET_LIVE_G0.
7525 (define_insn movsi_insn): Use general_operand and input_operand
7526 for dest and src respectively. Simplify applicability test.
7527 Prettify output strings, and add clr alternative for J
7529 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7530 deprecated std and reg-reg DI moves): Remove and...
7531 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7532 implementation which uses forced splits for all non-single insn
7534 (define_split DI move cases on !arch64): New splits to handle all
7535 situations of 64-bit double register DImode on 32bit, and
7536 unaligned registers and memory addresses for all subtargets.
7537 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7539 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7540 input_operand for dest and src respectively, prettify output
7542 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7543 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7545 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7546 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7547 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7548 movtf_no_e_insn_sp64) Replace with new
7549 implementation which uses forced splits for all non-single insn
7551 (define_split DF move cases): New splits in similar vein to DI
7553 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7554 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7555 movdi_sp64_insn): Remove old v9 code model and constant loading
7557 (define_insn pic_lo_sum_di, pic_sethi_di,
7558 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7559 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7560 embmedany_sethi, embmedany_losum, embmedany_brsum,
7561 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7562 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7563 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7564 scheme, using unspecs, secondary reloads, and one to one sparc
7565 insn to rtl insn mapping for better scheduling and code gen.
7566 (define_expand reload_indi, reload_outdi): Reload helpers for
7567 MEDANY and EMBMEDANY symbol address loading cases which require a
7569 (define_expand movsicc): Remove v8plus_regcmp cases.
7570 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7571 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7572 cmp_diqi_trunc_set): New patterns used by some of the new scc
7574 (define_insn xordi3_sp64_dbl): New pattern used for constant
7575 formation when crossing from 32-bit targets.
7576 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7578 (define_insn addx, subx): Make visible and prettify.
7579 (define_insn adddi3_insn_sp32): Likewise and force split.
7580 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7581 64bit scc split usage.
7582 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7583 zero_extend, subdi3): Force and implement splits.
7585 * final.c (final_scan_insn): Don't output labels if target
7586 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7589 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7590 don't forget to walk inside SEQUENCESs too as these are what the
7591 delay slot scheduler will create.
7593 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7595 * alpha.md (extxl+1,+2): New patterns to work around
7598 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7600 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7601 caused bad assembly code to be generated.
7603 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7605 * netbsd.h: Fix typo.
7607 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7609 * config.sub: Fix typo.
7611 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7613 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7615 (Running Protoize): Typo: Change "ther" into "other".
7617 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7619 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7620 * m68k/netbsd.h: Likewise.
7621 * ns32k/netbsd.h: Likewise.
7622 * sparc/netbsd.h: Likewise.
7624 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7626 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7627 * ginclude/va-clipper.h (va_list): Likewise.
7629 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7631 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7632 load/store multiple instructions unless user overrides.
7634 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7636 * ns32k/netbsd.h: Fix typo.
7638 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7640 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7641 labels with .debugsym if no parallel insns.
7643 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7645 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7646 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7648 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7650 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7651 (AR_FOR_TARGET): Define.
7653 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7655 * dyn-string.h: New file.
7656 * dyn-string.c: Likewise.
7657 * Makefile.in (OBJS): Add dyn-string.o.
7658 (dwarf2out.o): Add dyn-string.h dependency.
7659 (dyn-string.o): List dependencies.
7660 * dwarf2out.c: Include dyn-string.h.
7661 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7662 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7663 prototype. Use dyn_string_append rather than strcat, throughout.
7664 (addr_to_string): Use dyn_string_t.
7666 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7668 Function entry/exit profiling instrumentation:
7669 * expr.h (profile_function_entry_libfunc,
7670 profile_function_exit_libfunc): Declare new variables.
7671 * optabs.c: Define them here.
7672 (init_optabs): Initialize them.
7673 * tree.h (struct tree_decl): New flag
7674 no_instrument_function_entry_exit.
7675 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7676 * c-decl.c (duplicate_decls): Merge it.
7677 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7678 (init_attributes): Use it for "no_instrument_function".
7679 (decl_attributes): Handle it, for functions that have not yet been
7680 compiled. Set decl flag.
7681 * flags.h (flag_instrument_function_entry_exit): Declare new
7683 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7684 (f_options): New option "instrument-functions".
7685 * function.h (struct function): New field instrument_entry_exit.
7686 * function.c (current_function_instrument_entry_exit): New
7688 (push_function_context_to, pop_function_context_from): Save and
7690 (expand_function_start): Set current_ variable, maybe emit return
7691 label and entry profile call.
7692 (expand_function_end): Maybe emit exit profile call.
7694 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7696 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7697 NON_QI_REG_P, pretend the register is SImode.
7699 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7701 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7702 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7703 manufacturer id for ns32k.
7704 * configure: Regenerated.
7705 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7706 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7707 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7708 * config/m68k/netbsd.h: Same.
7709 * config/ns32k/netbsd.h: Same.
7710 * config/sparc/netbsd.h: Same.
7712 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7714 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7715 or UNROLL_COMPLETELY loop that starts with a jump to its
7718 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7720 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7721 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7722 (print_operand, case 'B'): Don't fall through.
7723 (print_operand, case 'S'): Correct mask begin/end computation.
7724 Use HOST_BITS_PER_WIDE_INT.
7725 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7726 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7727 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7728 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7730 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7732 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7733 constraint from second alternative.
7735 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7737 * configure.in: Fix --without/--disable cases for local-prefix,
7738 gxx-include-dir and checking.
7740 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7742 * configure.in (enable_haifa): Set by default for sparc64 too.
7745 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7747 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7748 * i386/winnt.c (associated_type): New fn.
7749 (i386_pe_valid_type_attribute_p): New fn.
7750 (i386_pe_check_vtable_importexport): Remove.
7751 (i386_pe_dllexport_p): Use associated_type.
7752 (i386_pe_dllimport_p): Likewise.
7754 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7755 * i386.c (i386_valid_type_attribute_p): Also accept
7756 attributes for METHOD_TYPEs.
7758 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7760 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7762 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7764 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7766 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7767 them from generating a new base name for each occurence of
7770 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7772 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7774 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7778 * cplus-dem.c (type_kind_t): New type.
7779 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7780 on this paramter, rather than demangling the type again.
7781 (demangle_integral_value): Pass tk_integral.
7782 (demangle_template_: Pass the value returned from do_type.
7783 (do_type): Return a type_kind_t. Pass tk_integral to
7784 demangle_template_value_parm for array bounds.
7785 (demangle_fund_type): Likewise.
7787 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7789 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7792 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7794 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7796 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7798 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7800 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7803 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7805 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7806 (DEBUGGER_ARG_OFFSET): Likewise.
7808 * mn10300.md (movsf): Remove last change. Not needed.
7810 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7812 * c-lex.c (yylex): Fix boundary conditions in character literal and
7813 string literal loops.
7815 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7817 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7818 being invoked incorrectly.
7820 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7821 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7823 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7824 * configure.in: Added i[34567]86-*-win32
7825 * config.sub: Ditto.
7826 * configure: Rebuilt.
7828 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7830 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7831 the frame pointer and compiling PIC code and reload has not completed.
7833 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7836 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7838 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7840 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7842 * Makefile.in (install-info): Only try to update the info
7843 directory file if it exists in the first place.
7845 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7847 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7849 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7851 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7852 CONST_DOUBLE source.
7854 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7856 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7857 strings as the insertion of USER_LABEL_PREFIX.
7858 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7860 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7863 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7865 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7866 already defined type.
7868 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7870 * expr.c (check_max_integer_computation_mode): Allow conversions
7871 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7872 (expand_expr): Likewise.
7874 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7876 * expr.c (expand_expr): Expand RETURN_EXPR.
7878 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7880 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7882 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7884 * dwarf2out.c (output_aranges): Call stripattributes
7885 for TEXT_SECTION references.
7886 (output_line_info): Likewise.
7888 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7890 * profile.c (branch_prob): Call allocate_reg_info after outputting
7891 profile rtl in instrument_arcs.
7893 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7895 * fixinc.irix (math.h): Install wrapper instead of copying.
7897 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7899 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7900 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7901 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7902 lang_flag_0. Added documentation in the flag table.
7904 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7906 * cccp.c (do_include): Fix vax c style include handling.
7908 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7910 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7912 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7914 * fold-const.c (non_lvalue): Don't deal with null pointer
7916 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7918 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7920 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7921 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7922 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7923 (u_short_cint_operand): Same.
7924 (reg_or_cint_operand): Same.
7925 (logical_operand): Same.
7926 (input_operand): Same.
7927 (reg_or_short_operand): Use u_short_cint_operand.
7929 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7931 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7932 but keep the insns and splits. Adjust so when the ultimate destination
7933 is memory, use cvtql.
7935 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7937 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7939 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7941 * gcc.c (do_spec): Call "error" not "warning".
7943 * configure.in: Fix minor problems with gas feature detection code.
7944 * configure: Rebuilt.
7946 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7949 * gcc.c: Delete %[spec] support.
7950 (do_spec_1, case '('): Likewise.
7951 (do_spec_1, case '['): Call error.
7953 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7955 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7956 (CPP_SUBTARGET_SPEC): Default to empty string.
7957 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7958 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7959 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7960 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7962 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7963 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7964 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7965 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7966 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7967 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7968 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7969 * alpha/vxworks.h: Likewise.
7971 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7973 * mips.md (reload_outsi): Added missing REGNO call.
7974 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7976 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7977 another match_operator and compare the codes.
7979 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7981 * MIPS multiply pattern fixes:
7982 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7983 Add union classes for HI, LO, or HILO plus general registers.
7984 (GENERATE_MADD): Deleted.
7985 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7986 Add TARGET_MAD to condition.
7987 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
7988 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
7989 "*d" for accumulator, to give preference to LO initially but not
7992 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
7994 * configure.in (enable_c_mbchar): New configure option.
7995 (extra_cpp_objs): Always available now.
7997 * cexp.y (mbchar.h): #include it.
7998 (yylex): Handle Multibyte characters in character literals.
8000 * cccp.c (mbchar.h): #include it.
8001 (main): Set character set based on LANG environment variable.
8002 (rescan): Handle multibyte characters in comments.
8003 (skip_if_group): See above.
8004 (validate_else): See above.
8005 (skip_to_end_of_comment): See above.
8006 (macarg1): See above.
8007 (discard_comments): See above.
8008 (rescan): Handle multibyte characters in string and character literals.
8009 (collect_expansion): See above.
8010 (skip_quoted_string): See above.
8011 (macroexpand): See above.
8012 (macarg1): See above.
8013 (discard_comments): See above.
8014 (change_newlines): See above.
8016 * c-lex.c (mbchar.h): #include it.
8017 (GET_ENVIRONMENT): New macro.
8018 (init_lex): Set character set based on LANG environment variable.
8019 (yylex): Handle multibyte characters in character literals.
8020 (yylex): Handle multibyte characters in string literals.
8022 * Makefile.in (mbchar.o): New target.
8023 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8024 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8026 * mbchar.[ch]: New files for multibyte character handling.
8028 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8030 * jump.c (jump_optimize): When simplifying noop moves and
8031 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8032 the PUSHes to rewrite in second loop as we did in the first.
8034 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8036 * cplus-dem.c (demangle_nested_args): Make function definition
8037 static to match the prototype.
8039 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8041 * alloca.c: Respect USE_C_ALLOCA.
8042 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8043 * gengenrtl.c (xmalloc): Likewise.
8045 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8047 * loop.h (struct induction): Add no_const_addval.
8048 * loop.c (the_movables, reg_address_cost): New variables.
8049 (init_loop): Init reg_address_cost.
8050 (loop_optimize): Call end_alias_analysis.
8051 (scan_loop): Init the_movables.
8052 (record_giv): Init induction->no_const_addval.
8053 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8054 [REG]: Rearrange loop search test to catch more cases.
8055 (general_induction_var): Return success not benefit; take an extra
8056 argument for that. Change all callers.
8057 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8058 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8059 [default]: Search the_movables for additional combinations.
8060 (sge_plus_constant, sge_plus): New functions.
8061 (express_from_1): New function.
8062 (express_from): Always define. Rewrite using express_from_1.
8063 (combine_givs_p): Handle more cases. Ignore address cost.
8064 (cmp_combine_givs_stats): New function.
8065 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8066 (combine_givs): Rewrite to do best-fit combination.
8068 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8069 (fold): Do a complete (A*C)+(B*C) association check.
8071 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8073 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8075 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8077 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8079 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8081 * tree.c (valid_machine_attribute): Only create a new type variant if
8082 there is a decl to use it.
8084 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8086 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8089 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8091 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8094 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8096 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8097 Simplify tests for clearing an address register.
8098 (expand_prologue): Corresponding changes.
8100 * mn10300.md (movXX patterns): Make sure the destination is an
8101 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8102 (logical patterns): Split into expanders + patterns
8103 (zero and sign extension patterns): Similarly.
8104 (shift patterns): Similarly.
8106 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8108 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8109 for the sequence, recording base values.
8111 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8113 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8115 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8117 * gcc.c: Remove ANSI-C ism from --help code.
8119 * toplev.c: Support --help with USE_CPPLIB.
8121 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8123 * configure.in: Rework gas feature code to work with symlink based
8126 * extend.texi: Clarify some issues related to local variables
8127 assigned to explicit registers.
8129 * mn10300.md (mulsi): Turn into expander + pattern.
8131 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8134 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8136 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8138 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8140 * version.c: Bump again to distinguish mainline tree from the
8143 See ChangeLog.0 for earlier changes.
8146 add-log-time-format: current-time-string