1 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
3 * real.c (endian): Disable last change unless
4 HOST_BITS_PER_WIDE_INT is greater than 32.
6 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
8 * output.h (force_data_section): New prototype.
9 * varasm.c (force_data_section): New function to force the
10 data section, regardless of what in_section thinks.
11 * dwarf2out.c (output_call_frame_info): Call force_data_section
12 since varasm may not realize we've changes sections.
14 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
16 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
17 after completeing reload.
19 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
22 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
24 * rtl.h (multiple_sets): Fix prototype.
25 * rtlanal.c (multiple_sets): Fix return type.
27 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
29 * version.c: Bump for snapshot.
31 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
33 * version.c: Bump for snapshot.
35 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
37 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
39 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
41 * rtl.h (recompute_reg_usage): Add second argument.
42 * flow.c (recompute_reg_usage): Likewise.
43 * toplev.c (rest_of_compilation): Supply second argument to
46 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
49 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
51 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
52 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
53 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
56 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
58 * rtlanal.c (multiple_sets): New function.
59 * rtl.h (multiple_sets): Declare it.
60 * local-alloc.c (wipe_dead_reg): Use it.
61 * global.c (global_conflicts): Likewise.
63 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
65 * global.c (record_conflicts): Don't use an array of shorts to
66 store an array of ints.
67 (global_conflicts): Likewise.
69 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
71 * alpha.c (alpha_expand_block_move): mode_for_size expects
72 bits, not bytes. Infer extra alignment from addressof.
74 1998-12-11 Michael Meissner <meissner@cygnus.com>
76 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
77 .sbss section, not .sdata.
79 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
81 * cccp.c: Do not #include <sys/stat.h> here; this is already done
83 * collect2.c: Likewise.
88 * protoize.c: Likewise.
91 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
92 and don't try to define it here.
93 * Makefile.in (cppmain.o): Depend on machmode.h.
95 (cpperror.o): Likewise.
97 (cppfiles.o): Likewise.
98 (cpphash.o): Likewise.
99 (cppalloc.o): Likewise.
100 (fix-header.o): Likewise.
101 (scan-decls.o): Likewise.
103 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
105 * sh.c (print_operand): lookup interrupt_handler attribute instead
106 of relying on static variable.
107 * (calc_live_regs): Likewise.
108 * (sh_pragma_insert_attributes): Create interrupt_handler
109 attribute if a pragma was specified
110 * (sh_valid_machine_decl_attribute): Don't set static flag.
111 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
113 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
115 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
116 to determine if a register is live at a jump destination.
117 Everything is dead at a BARRIER.
119 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
121 * cse.c (simplify_unary_operation): Sign-extend constants when
122 they have the most significant bit set for the target.
123 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
125 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
126 HOST_WIDE_INT temporary before negating it.
127 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
129 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
131 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
134 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
136 * collect2.h: New header file for prototypes.
138 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
140 * collect2.c: Include collect2.h.
143 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
145 * flow.c: Update some comments.
147 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
149 * objc/objc-act.c (cpp_initialized): Removed.
150 (lang_init_options): Initialize cpplib.
151 (lang_decode_option): Move initialization of cpplib to
153 * c-lang.c: (parse_options,parse_in): Added.
154 (lang_init_options): Initialized cpplib here.
155 * c-decl.c (parse_options,cpp_initialized): Removed.
156 (c_decode_option): Move initialization of cpplib to
159 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
161 * reload1.c (reload_combine, reload_combine_note_store):
162 Make STORE_RUID always valid.
163 (reload_combine): Check if BASE is clobbered too early.
165 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
167 * reload.c (find_reloads): Display the insn that cannot be
170 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
172 * cccp.c (create_definition): Fix end of bufer logic.
174 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
176 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
177 pointer parameters changed to use the PARAMS() macro.
179 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
181 * except.h (struct handler_info): Add handler_number field.
182 * except.c (gen_exception_label): EH labels no longer need to be
183 on the permanent obstack.
184 (get_new_handler): Set the label number field.
185 (output_exception_table_entry): Regenerate handler label reference
186 from the label number field.
187 (init_eh): Remove a blank line.
188 * integrate.c (get_label_from_map): Labels no longer need to be
189 on the permanent obstack.
191 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
193 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
194 only when OUTER_CODE is SET.
196 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
198 * loop.c (strength_reduce): If scan_start points to the loop exit
199 test, be wary of subversive use of gotos inside expression statements.
200 Don't set maybe_multiple for a backward jump that does not
201 include the label under consideration into its range.
202 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
204 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
206 * explow.c (plus_constant_wide): Don't immediately return with
207 result of recursive call.
209 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
211 * eh-common.h (struct eh_context): Add table_index for rethrows.
213 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
214 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
215 processed when inlined or unrolled (ie duplicated in some way).
217 * rtl.c (reg_note_name): Add strings for new reg_note enums.
219 * expr.h (rethrow_libfunc): New library decl.
221 * optabs.c (rethrow_libfunc): Initialize.
223 * except.h (struct eh_entry): Add new field 'rethrow_label'.
224 (new_eh_region_entry): No longer exported from except.c.
225 (duplicate_handlers): Renamed to duplicate_eh_handlers and
227 (rethrow_symbol_map, rethrow_used): New exported functions.
228 (eh_region_from_symbol): New exported function.
230 * except.c (create_rethrow_ref): New function to create a single
231 SYMBOL_REF for a rethrow region.
232 (push_eh_entry): Initialize a rethrow ref.
233 (func_eh_entry): Add a rethrow_label field.
234 (new_eh_region_entry): Make static, and initialize the rethrow entry.
235 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
236 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
237 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
238 a region into an appropriate new symbol.
239 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
240 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
241 (end_catch_handler): Emit a barrier for new-exceptions since
242 control can never drop through the end of a catch block.
243 (expand_end_all_catch): new-exceptions never fall through a catch
245 (expand_rethrow): use __rethrow routine for new exceptions.
246 (output_exception_table_entry): Generate rethrow labels, if needed.
247 (output_exception_table): Generate start and end rethrow labels.
248 (init_eh): Create rethrow symbols for beginning and end of table.
249 (scan_region): Don't eliminate EH regions which are the targets of
252 * flow.c (make_edges): Add different edges for rethrow calls,
253 identified by having the REG_EH_RETHROW reg label.
254 (delete_unreachable_blocks): Don't delete regions markers which are
255 the target of a rethrow.
257 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
258 allow save_for_inline_copying to call duplicate_eh_handlers.
259 (save_for_inline_copying): Call duplicate_eh_handlers instead of
260 exposing internal details of exception regions.
261 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
262 (expand_inline_function_eh_labelmap): New callback routine to
263 allow expand_inline_function to call duplicate_eh_handlers.
264 (expand_inline_function): Call duplicate_eh_handlers instead of
265 exposing internal details of exception regions.
266 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
269 * libgcc2.c (find_exception_handler): Generalize to enable it to
270 pick up processing where it left off last time for a rethrow.
271 (__unwinding_cleanup): New function. debug hook which is called before
272 unwinding when __throw finds there is nothing but cleanups left.
273 (throw_helper): Common parts of __throw extracted out for reuse.
274 (__throw): Common parts moved to throw_helper.
275 (__rethrow): New function for performing rethrows.
277 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
279 * reload1.c (current_function_decl): Tweak declaration.
281 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
283 * c-decl.c (flag_isoc9x): Default off.
284 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
285 * cccp.c (print_help, main): Likewise.
286 * gcc.c (default_compilers): Update for -std=gnu*.
288 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
290 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
291 * demangle.h: Deleted.
293 * reload1.c (current_function_decl): Declare.
295 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
297 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
299 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
301 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
303 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
305 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
307 * configure: Rebuilt.
308 * system.h: If the *_unlocked functions are available use them
309 instead of the locked counterparts by defining macros.
310 * config.in: Regenerated.
312 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
314 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
315 wrong and should only be used for dump related things, not
316 debugging information, instead main_input_filename should be used.
317 Also, reuse output_file_directive if possible.
318 * i386/aix386ng.h (ASM_FILE_START): Likewise.
319 * i386/isc.h (ASM_FILE_START): Likewise.
320 * i386/win-nt.h (ASM_FILE_START): Likewise.
321 * i386/sun386.h (ASM_FILE_START): Likewise.
323 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
325 * configure.in (mips*-*-linux*): Handle big and little endian
327 * configure: Rebuilt.
329 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
331 * emit-rtl.c: Fix typo.
333 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
335 * reload1.c (eliminate_regs): Don't do anything, if we're not
338 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
340 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
342 * mips/mips.c (mips_select_section): Add comment.
344 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
346 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
347 characters in file names in #line to be consistent with #include
348 handling. We support escape prcessing in the # 1 "..." version of
349 the command. See also support in cp/lex.c.
350 (handle_directive): Likewise.
353 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
355 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
356 so it'll work on non-ASCII platforms. Always consider $ an
357 identifier character. Take no arguments.
358 (cpp_reader_init): Call initialize_char_syntax with no
360 (cpp_start_read): Don't call initialize_char_syntax again.
361 Clear is_idchar['$'] and is_idstart['$'] if not
362 opts->dollars_in_ident.
364 * cpplib.h (struct cpp_reader): Replace void *data element by
365 cpp_options *opts. Rearrange elements to make gdb printout
366 less annoying (put buffer stack at end).
367 (CPP_OPTIONS): Get rid of now-unnecessary cast.
369 * cppmain.c: s/data/opts/ when initializing cpp_reader
371 * c-decl.c: Likewise.
372 * objc/objc-act.c: Likewise.
373 * fix-header.c: Likewise.
375 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
377 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
378 with a struct file_name_list pointer.
379 (struct cpp_reader): Add pointer to chain of `actual
380 directory' include searchpath entries.
381 (struct file_name_list): Add *alloc pointer for the sake of
382 the actual-directory chain.
384 Move definition of HOST_WIDE_INT here.
385 (cpp_parse_escape): Change prototype to match changes in
388 * cppfiles.c (actual_directory): New function.
389 (finclude): Use it to initialize the buffer's actual_dir
391 (find_include_file): We don't need to fix up max_include_len
394 * cpplib.c (do_include): Don't allocate a file_name_list on
395 the fly for current directory "" includes, use the one that's
396 been preallocated in pfile->buffer->actual_dir. Hoist out
397 duplicate code from the search_start selection logic.
398 (cpp_reader_init): Initialize pfile->actual_dirs.
400 Remove definition of HOST_WIDE_INT. Change calls
401 to cpp_parse_escape to match changes in cppexp.c (note
402 hardcoded MASK, which is safe since this is the source
405 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
406 to handle wide character constants in #if directives. The
407 function now returns a HOST_WIDE_INT, and takes a third
408 argument which is a binary mask for all legal values (0x00ff
409 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
410 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
411 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
413 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
415 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
417 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
419 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
420 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
421 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
423 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
425 * final.c (output_asm_name): Use tabs to seperate comments from
428 Include instruction lengths (if defined) in output.
430 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
432 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
433 in the loop_info structure.
435 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
437 * configure.in: (arm*-*-ecos-elf): New target.
438 * configure: Regenerated.
439 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
440 * config/arm/ecos-elf.h: New file.
441 * config/arm/unknown-elf.h (TARGET_VERSION): Check
444 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
446 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
448 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
450 * version.c: Bump for snapshot.
452 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
454 * loop.c (check_dbra_loop): New argument loop_info. Update fields
457 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
459 * version.c: Bump for snapshot.
461 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
463 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
464 compressed reports are ok and preferred over URLs
466 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
468 * invoke.texi (Warning Options): Soften the tone of -pedantic
470 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
472 * print-rtl.c (print_rtx): Add prototype.
474 * unroll.c (iteration_info): Make it static.
476 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
478 * alias.c (memrefs_conflict_p): A second ANDed address
479 disables the aligned address optimization.
481 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
483 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
486 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
488 * i960.h (BOOL_TYPE_SIZE): Define.
490 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
492 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
493 from old valid_parallel_operands_4.
494 (valid_parallel_operands_4): Check that operands for 4 operand
495 parallel insns are valid, excluding load/store insns.
496 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
497 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
498 valid_parallel_load_store instead of valid_parallel_operands_4.
499 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
500 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
501 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
502 *notqi_movqi_clobber): Use valid_parallel_operands_4.
503 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
504 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
505 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
507 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
509 * config/c4x/c4x.c (iteration_info): Delete extern.
511 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
513 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
515 * final.c (cleanup_subreg_operands): Delete some unused code.
517 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
518 (struct insn_alternative): New structure definition.
519 (recog_op_alt): Declare variable.
520 (preprocess_constraints): Declare function.
521 * recog.c (recog_op_alt): New variable.
522 (extract_insn): Verify number of alternatives is in range.
523 (preprocess_constraints): New function.
524 * reg-stack.c: Include recog.h.
525 (constrain_asm_operands): Delete.
526 (get_asm_operand_lengths): Delete.
527 (get_asm_operand_n_inputs): New function.
528 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
529 N_OUTPUTS args. All callers changed.
530 Compute number of inputs and outputs here by calling
531 get_asm_operand_n_inputs.
532 Instead of constrain_asm_operands, call extract_insn,
533 constrain_operands and preprocess_constaints. Use information
534 computed by these functions throughout.
535 (record_reg_life): Delete code that is unused due to changes in
537 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
538 N_INPUTS and N_OUTPUTS args. All callers changed.
539 Similar changes as in record_asm_reg_life.
540 (subst_stack_regs): Move n_operands declaration into the if statement
542 Delete code that is unused due to changes in subst_asm_stack_regs.
543 * stmt.c (expand_asm_operands): Verify number of alternatives is in
545 * Makefile.in (reg-stack.o): Depend on recog.h.
547 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
549 * except.c (set_exception_version_code): Argument is an "int".
551 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
553 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
554 * configure: Rebuilt.
556 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
558 * configure.in (mipsel-*-linux*): New target.
559 * mips/linux.h: New file, based on other Linux targets.
561 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
563 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
564 runs in the context of the deleter, not the deletee, so we must
565 use taskVarGet to find the correct memory to free.
566 (__gthread_key_create): Initialize the task
567 variable subsystem so that the task variable is still active when
568 the delete hook is run.
570 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
572 * pdp11.h: Use optimize_size for space optimizations.
574 * pdp11.md: Likewise.
576 * pdp11.h (TARGET_40_PLUS): Fix typo.
578 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
580 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
583 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
585 * alias.c (addr_side_effect_eval): New function.
586 (memrefs_conflict_p): Use it.
587 * rtl.h (addr_side_effect_eval): Prototype it.
589 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
591 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
593 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
595 * reload.c (find_reloads): When force const to memory, put result
596 in substed_operand not *recog_operand_loc.
598 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
600 * c-lex.c: Fix indentation from last patch.
601 Remove trailing whitespace.
604 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
606 * flow.c (delete_block): Call set_last_insn after we have reset
607 NEXT_INSN (kept_tail).
609 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
611 * mips.md (trap_if): Use "$0" for the value zero.
613 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
614 Stephen L Moshier <moshier@world.std.com>
615 Richard Henderson <rth@cygnus.com>
617 * c-common.c (declare_function_name): Declare predefinied variable
620 * c-decl.c (flag_isoc9x): Set to 1 by default.
621 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
622 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
624 * c-parse.in: Allow constructors in ISO C 9x.
625 Rewrite designator list handling.
626 Allow [*] parameters.
627 Don't warn about comma at end of enum definition for ISO C 9x.
629 * cccp.c (c9x): New variable.
630 (rest_extension): New variable.
631 (print_help): Document new -std= option.
632 (main): Recognize -std= option. Set c9x appropriately.
633 (create_definition): Recognize ISO C 9x vararg macros.
635 * gcc.c (default_compilers): Adjust specs for -std options.
636 (option_map): Add --std.
637 (display_help): Document -std.
639 * toplev.c (documented_lang_options): Add -std and remove
642 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
643 or REAL_VALUE_HTOF based on base of the constants.
644 * fold-const.c (real_hex_to_f): New function. Replacement function
645 for hex FP conversion if REAL_ARITHMETIC is not defined.
646 * real.c (asctoeg): Add handling of hex FP constants.
647 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
650 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
652 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
653 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
654 expansion. Use hi/lo as destination register.
656 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
657 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
658 Avoid as macro expansion. Use hi/lo as destination register.
660 * mips.h (MASK_CHECK_RANGE_DIV): New.
661 (MASK_NO_CHECK_ZERO_DIV): New.
662 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
663 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
664 return address for leaf functions out of r31 to support
665 builtin_return_address.
667 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
669 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
670 NEXT_INSN(x) to check insn x.
672 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
674 * flow.c (delete_block): Call set_last_insn if we end up deleting the
675 last insn in the rtl chain.
677 * reload1.c (reload): Do not set reload_completed or split insns
679 * toplev.c (rest_of_compilation): Set reload_completed after
680 reload returns. Split insns after reload_cse has run.
682 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
684 * final.c (final_scan_insn): Abort if block_depth falls below 0.
686 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
688 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
690 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
692 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
693 use of user-label_prefix.
695 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
697 * reload1.c (emit_reload_insns): Clear spill_reg_store
698 when doing a new non-inherited reload from the same pseudo.
700 * local-alloc.c (function_invariant_p): New function.
701 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
702 to decide if an equivalence should be recorded.
703 * reload1.c (num_eliminable_invariants): New static variable.
704 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
705 to decide if an equivalence should be recorded.
707 (calculate_needs_all_insns): Skip insns that only set an equivalence.
708 Take num_eliminable_invariants into account when deciding
709 if register elimination should be done.
710 (reload_as_needed): Take num_eliminable_invariants into account
711 when deciding if register elimination should be done.
712 (eliminate_regs): Handle non-constant reg_equiv_constant.
713 * rtl.h (function_invariant_p): Declare.
715 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
717 * version.c: Bump for snapshot.
719 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
721 * version.c: Bump for snapshot.
723 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
725 * except.c (add_new_handler): Complain about additional handlers
726 after one that catches everything.
728 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
730 * configure.in (alpha*-*-netbsd): Fix typo.
731 * configure: Rebuilt.
733 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
735 * system.h: Include libiberty.h.
737 * c-aux-info.c: Remove prototypes for concat/concat3. Change
738 function `concat' from fixed parameters to variable parameters,
739 as is done in libiberty. All callers of concat/concat3
740 changed to use the new `concat' with variable args.
742 * cccp.c: Remove things made redundant by libiberty.h and/or
743 conform to libiberty standards.
745 * collect2.c: Likewise.
746 * config/1750a/1750a.h: Likewise.
747 * cppalloc.c: Likewise.
748 * cppexp.c: Likewise.
749 * cppfiles.c: Likewise.
750 * cpphash.c: Likewise.
751 * cpplib.c: Likewise.
752 * dyn-string.c: Likewise.
753 * fix-header.c: Likewise.
756 * genattr.c: Likewise.
757 * genattrtab.c: Likewise.
758 * gencheck.c: Likewise.
759 * gencodes.c: Likewise.
760 * genconfig.c: Likewise.
761 * genemit.c: Likewise.
762 * genextract.c: Likewise.
763 * genflags.c: Likewise.
764 * gengenrtl.c: Likewise.
765 * genopinit.c: Likewise.
766 * genoutput.c: Likewise.
767 * genpeep.c: Likewise.
768 * genrecog.c: Likewise.
769 * getpwd.c: Likewise.
770 * halfpic.c: Likewise.
772 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
773 in NEED_DECLARATION_* macros.
775 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
776 conform to libiberty standards.
777 (fatal): Fix const-ification of variable `format' in
778 !ANSI_PROTOTYPES case.
780 * prefix.c: Remove things made redundant by libiberty.h and/or
781 conform to libiberty standards.
783 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
784 conflicting with function `spaces' from libiberty.
786 * profile.c: Remove things made redundant by libiberty.h and/or
787 conform to libiberty standards.
788 * protoize.c: Likewise.
792 * toplev.c: Likewise.
793 * toplev.h: Likewise.
796 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
798 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
800 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
802 * README.C4X: Updated URLs.
803 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
804 (valid_parallel_operands_5): Remove unused variable.
806 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
808 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
810 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
812 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
813 which can be configured.
814 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
815 (Makefile): Pass actual LANGUAGES through the environment when
817 (cstamp-h): Likewise.
818 (config.status): Likewise.
820 * configure.in (enable_languages): Add new configuration parameter
821 "--enable-languages=lang1,lang2,...".
822 (${srcdir}/*/config-lang.in): Change handling to configure only
823 those directories, that the user might have enabled; default to
824 "all" existing languages.
825 * configure: Regenerate.
827 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
829 * rtlanal.c (regs_set_between_p): New function.
830 * rtl.h (regs_set_between_p): Prototype it.
831 * jump.c (jump_optimize): Use it instead of modified_between_p
834 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
835 Matthias Pfaller <leo@dachau.marco.de>
837 * invoke.texi (Option Summary, NS32K Options): add description
838 of NS32K specific options.
840 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
841 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
842 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
843 negdf2, absdf2): Use l instead of f since the double class and
844 float class are no longer the same.
845 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
846 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
847 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
848 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
850 (cmpsi, cmphi, cmpqi): use general_operand instead of
851 non_immediate_operand. Removes erroneous assumption that can't
853 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
854 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
856 (movstrsi, movstrsi1, movstrsi2): completely new block move
858 (...): Patterns to exploit multiply-add instructions.
859 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
860 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
861 patterns to exploit extended divide insns.
862 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
865 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
866 float return values as well as simple scalar floats.
867 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
868 support new flag to denote 32381 fpu.
869 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
870 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
872 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
873 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
874 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
875 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
876 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
877 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
878 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
879 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
880 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
881 fpu registers and special register classes for new 32381
882 instructions dotf and polyf.
883 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
885 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
886 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
888 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
889 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
890 (REGISTER_MOVE_COST): move code to register_move_cost function for
891 ease of coding and debugging.
892 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
893 LONG_FLOAT_REGO is likely spilled but not caught by default
895 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
896 instead of hard coded numbers in range check.
897 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
898 (...): Add prototypes for functions in ns32k.c but disable because
899 of problems when ns32k.h is included in machine independant files.
901 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
902 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
903 hard_regno_mode_ok, secondary_reload_class,
904 print_operand, print_operand_address): new register scheme to
905 include 32381 fpu registers and special register classes for new
906 32381 instructions dotf and polyf.
907 (gen_indexed_expr): Make static to keep namespace clean.
908 (check_reg): remove since never called.
909 (move_tail, expand_block_move): helper functions for "movstrsi"
911 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
912 Increase cost of moves which go via memory.
913 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
914 (CPP_PREDEFINES): nolonger predefine "unix".
916 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
917 Remove erroneous %$. print_operand() can work out from the rtx is
918 an immediate prefix is required.
920 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
921 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
922 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
924 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
927 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
928 Correct handling of pic operands.
929 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
930 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
931 -mrtd calling convention.
933 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
935 * gcc.c (option_map): Recognize --output-class-directory.
937 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
939 * loop.h (precondition_loop_p): Added new mode argument.
940 * unroll.c (precondition_loop_p): Likewise.
941 (approx_final_value): Function deleted and subsumed
942 into loop_iterations.
943 (loop_find_equiv_value): New function.
944 (loop_iterations): Use loop_find_equiv_value to find increments
945 too large to be immediate constants. Also use it to find terms
946 common to initial and final iteration values that can be removed.
948 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
950 * loop.h (struct loop_info): Define new structure.
951 (precondition_loop_p): Added prototype.
952 (unroll_loop): Added new argument loop_info to prototype.
953 (final_biv_value, final_giv_value): Added new argument n_iterations
955 * loop.c (strength_reduce): Declare new structure loop_iteration_info
956 and new pointer loop_info.
957 (loop_n_iterations): Replace global variable by element in
959 (check_final_value): New argument n_iterations.
960 (insert_bct): New argument loop_info.
961 (loop_unroll_factor): Replace global array by element in
963 (loop_optimize): Remove code to allocate and initialise
964 loop_unroll_factor_array.
965 * unroll.c (precondition_loop_p): No longer static since
966 used by branch on count optimization.
967 (precondition_loop_p, unroll_loop): New argument loop_info.
968 (final_biv_value, final_giv_value, find_splittable_regs): New
969 argument n_iterations.
970 (loop_iteration_var, loop_initial_value, loop_increment,
971 loop_final_value, loop_comparison_code, loop_unroll_factor):
972 Replaced global variables by loop_info structure.
973 (loop_unroll_factor): Replace global array by element in
976 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
978 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
981 * unroll.c (precondition_loop_p): Return loop_initial_value
982 for initial_value instead of loop_iteration_var.
984 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
986 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
987 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
988 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
989 to output the instruction sequences.
991 (rptb_top): Provide alternatives to use any register or memory
993 (rptb_end): Emit use of operands rather than assigning them
994 explicitly to the RS and RE registers.
996 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
998 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
999 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1000 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1001 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1002 c4x_merge_notes, c4x_parallel_process,
1003 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1004 c4x_combine_parallel): Delete.
1006 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1008 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1009 with old target options clear flag_branch_on_count_reg if
1010 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1012 (c4x_output_cbranch): Handle a sequence of insns rather than a
1014 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1015 has not been allocated as the loop counter.
1016 (c4x_address_conflict): Do not allow two volatile memory references.
1017 (valid_parallel_operands_4, valid_parallel_operands_5,
1018 valid_parallel_operands_6): Reject pattern if the register destination
1019 of the first set is used as part of an address in the second set.
1021 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1023 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1024 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1025 is no longer enabled if PARALLEL_MPY_FLAG set.
1026 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1027 (REG_CLASS_CONTENTS): Add braces around initializers.
1028 (HAVE_MULTIPLE_PACK): Define.
1029 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1030 REAL_VALUE_TO_DECIMAL.
1031 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1032 REAL_VALUE_TO_DECIMAL.
1033 (ar0_reg_operand): Add prototype.
1034 (ar0_mem_operand): Likewise.
1035 (ar1_reg_operand): Likewise.
1036 (ar1_mem_operand): Likewise.
1037 (ar2_reg_operand): Likewise.
1038 (ar2_mem_operand): Likewise.
1039 (ar3_reg_operand): Likewise.
1040 (ar3_mem_operand): Likewise.
1041 (ar4_reg_operand): Likewise.
1042 (ar4_mem_operand): Likewise.
1043 (ar5_reg_operand): Likewise.
1044 (ar5_mem_operand): Likewise.
1045 (ar6_reg_operand): Likewise.
1046 (ar6_mem_operand): Likewise.
1047 (ar7_reg_operand): Likewise.
1048 (ar7_mem_operand): Likewise.
1049 (ir0_reg_operand): Likewise.
1050 (ir0_mem_operand): Likewise.
1051 (ir1_reg_operand): Likewise.
1052 (ir1_mem_operand): Likewise.
1053 (group1_reg_operand): Likewise.
1054 (group1_mem_operand): Likewise.
1055 (ir1_reg_operand): Likewise.
1056 (arx_reg_operand): Likewise.
1057 (not_rc_reg): Likewise.
1058 (not_modify_reg): Likewise.
1059 (c4x_group1_reg_operand): Remove prototype.
1060 (c4x_group1_mem_operand): Likewise.
1061 (c4x_arx_reg_operand): Likewise.
1063 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1065 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1066 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1068 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1070 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1073 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1075 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1076 unless FMOVD_WORKS is defined.
1078 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1080 * regclass.c (init_reg_sets): Move code that calculates tables
1081 dependent on reg_class_contents from here...
1082 (init_reg_sets_1): To here.
1084 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1086 * cpplib.h: Delete struct import_file. Add ihash element to
1087 struct cpp_buffer. Delete dont_repeat_files and
1088 import_hash_table elements from cpp_reader; change
1089 all_include_files to a hash table. Delete all foobar_include
1090 / last_foobar_include elements from struct cpp_options; put
1091 back four such: quote_include, bracket_include,
1092 system_include, after_include. Redo struct file_name_list
1093 completely. Add new structure type include_hash. Add
1094 prototypes for merge_include_chains and include_hash. Change
1095 prototypes for finclude, find_include_file, and
1096 append_include_chain to match changes below.
1098 * cppfiles.c (simplify_pathname, include_hash,
1099 remap_filename, merge_include_chains): New functions.
1100 (add_import, lookup_import, open_include_file): Removed.
1101 (INO_T_EQ): Define this (copied from cccp.c).
1102 (hack_vms_include_specification): Remove all calls and #if 0
1103 out the definition. It was being called incorrectly and at
1104 the wrong times. Until a VMSie can look at this, it's better
1105 to not pretend to support it.
1106 (append_include_chain): Change calling convention; now takes
1107 only one directory at a time, and sets up the data structure
1109 (redundant_include_p): Rewritten - this is now used for all
1110 include redundancy, whether by #ifndef, #import, or #pragma
1111 once. Looks up things in the include hash table.
1112 (file_cleanup): Decrement pfile->system_include_depth here if
1114 (find_include_file): Calling convention changed; now passes
1115 around a struct include_hash instead of 3 separate parameters.
1116 Guts ripped out and replaced with new include_hash mechanism.
1117 (finclude): Calling convention changed as for
1118 find_include_file. Error exits pulled out-of-line. Reformat.
1119 (safe_read): Return a long, not an int.
1120 (deps_output): Don't recurse.
1122 * cpplib.c (is_system_include): Deleted.
1123 (path_include): Fix up call to append_include_chain.
1124 (do_include): Fix up calls to find_include_file and finclude.
1125 Clean up dependency output a bit. Shorten obnoxiously lengthy
1126 #import warning message. Don't decrement
1127 pfile->system_include_depth here.
1128 (do_pragma): Understand the include_hash structure. Reformat.
1129 (do_endif): Correct handling of control macros. Understand
1131 (cpp_start_read): Fix up calls to finclude. Call
1132 merge_include_chains.
1133 (cpp_handle_option): Fix up calls to append_include_chain.
1134 Understand the four partial include chains.
1135 (cpp_finish): Add debugging code (#if 0-ed out) for the
1137 (cpp_cleanup): Free the include_hash, not the import hash and
1138 the all_include and dont_repeat lists which no longer exist.
1140 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1142 * toplev.c (no_new_pseudos): Define.
1143 (rest_of_compilation): Set no_new_pseudos as needed.
1144 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1145 if no_new_pseudos is set.
1146 * rtl.h (no_new_pseudos): Declare it.
1147 * reload1.c (reload): Update comments.
1148 * md.texi: Corresponding changes.
1150 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1152 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1153 (choose_reload_regs): Rename it here as well. When computing it,
1154 also merge in used hardregs.
1156 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1158 * gcc.c: Split out Objective-C specs to...
1159 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1162 * c-lex.c (init_parse): Always initialize the filename global.
1163 * objc/objc-act.c (lang_init): Always call check_newline at
1166 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1168 * reload1.c (reload): Remove unused variable.
1169 (reload_reg_free_for_value_p): Add missing parameter definition.
1171 * jump.c (jump_optimize): Remove unused variable.
1173 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1175 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1177 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1179 * expr.c (move_by_pieces): Similarly.
1180 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1181 * flow.c (find_auto_inc): Similarly.
1182 (try_pre_increment): Similarly.
1183 * loop.c (strength_reduce): Similarly.
1184 * regclass.c (auto_inc_dec_reg_p): Similarly.
1185 * regmove.c (try_auto_increment): Similarly.
1186 (fixup_match_1): Similarly.
1187 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1188 (HAVE_PRE_DECREMENT): Similarly.
1189 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1190 * Corresponding changes to all target header files.
1191 * tm.texi: Update docs for autoinc addressing modes.
1193 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1195 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1196 * configure: Rebuild.
1197 * config/elfos.h: New file.
1198 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1199 config/m68k/t-m68kelf: New file.
1201 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1203 * Makefile.in (HOST_AR): Define.
1204 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1205 (libcpp.a): Use the host tools explicitly.
1206 (STAGESTUFF): Add libcpp.a.
1208 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1210 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1211 to source and destination registers.
1213 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1215 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1216 The strategy we now use is to pre allocate the top_elt along
1217 with the EH context so that each thread has its own top_elt.
1218 This is necessary as the dynmanic cleanup chain is used on the
1219 top element of the stack and each thread MUST have its own.
1220 (eh_context_static): Likewise.
1221 (new_eh_context): Likewise.
1222 (__sjthrow): Likewise.
1224 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1226 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1227 * i386.md (prologue_get_pc): Remove unused variable.
1229 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1231 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1233 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1235 * Makefile.in (OBJS): Add graph.o
1236 (graph.o): New dependency list.
1237 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1238 * print-rtl.c (dump_for_graph): Define new variable.
1239 (print_rtx): Rewrite to allow use in graph dumping functions.
1240 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1241 finish_graph_dump_file.
1242 Define graph_dump_format.
1243 (compile_file): If graph dumping is enabled also clear these files.
1244 Finish graph dump files.
1245 (rest_of_compilation): Also dump graph information if enabled.
1246 (main): Recognize -dv to enabled VCG based graph dumping.
1247 * graph.c: New file. Graph dumping functions.
1249 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1251 * configure.in: Look for <sys/stat.h>.
1252 * system.h: Include it before substitute S_ISREG definitions.
1254 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1256 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1257 * config/mips/iris6.h: Same.
1258 * config/mips/mips.md: Same.
1259 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1260 * config/mips/mips.h: Same; also define ABI_O64.
1262 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1264 * configure.in: Use AC_PREREQ(2.12.1).
1266 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1268 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1269 * cpplib.c, gcc.c: Likewise.
1270 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1272 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1274 * local-alloc.c (local_alloc): Use malloc not alloca for
1275 reg_qty, reg_offset, ref_next_in_qty.
1277 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1279 * caller-save.c (insert_one_insn): Initialize the live_before and
1280 live_after register sets.
1284 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1285 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1286 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1287 (fp_reg_names, assembler_dialect): New variables.
1288 (print_operand_address): Handle SUBREGs.
1289 (print_operand): Added 'o' case.
1290 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1291 Name of FP registers depends on mode.
1292 (expand_block_move): Emit different code for SH4 hardware.
1293 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1294 (from_compare): Likewise.
1295 (add_constant): New argument last_value. Changed all callers.
1296 (find_barrier): Don't try HImode load for FPUL_REG.
1297 (machine_dependent_reorg): Likewise.
1298 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1299 (gen_far_branch): Emit a barrier after the new jump.
1300 (barrier_align): Don't trust instruction lengths before
1302 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1303 Use auto-inc addressing for fp registers if doubles need to
1304 be loaded in two steps.
1305 Set sh_flag_remove_dead_before_cse.
1306 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1307 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1308 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1309 Support for FIRST_XD_REG .. LAST_XD_REG.
1310 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1311 (sh_expand_epilogue): Likewise.
1312 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1313 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1314 (arith_reg_operand): FPUL_REG is OK for SH4.
1315 (fp_arith_reg_operand, fp_extended_operand) New functions.
1316 (tertiary_reload_operand, fpscr_operand): Likewise.
1317 (commutative_float_operator, noncommutative_float_operator): Likewise.
1318 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1319 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1320 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1321 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1322 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1323 (CONDITIONAL_REGISTER_USAGE): Likewise.
1324 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1325 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1326 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1327 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1328 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1329 to -1 and sh_flag_remove_dead_before_cse to 1.
1330 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1331 (assembler_dialect, fp_reg_names): Declare.
1332 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1333 Hide names of registers that are not accessible.
1334 (CACHE_LOG): Take TARGET_CACHE32 into account.
1335 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1336 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1337 (FIRST_PSEUDO_REGISTER: Now 49.
1338 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1339 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1340 (HARD_REGNO_MODE_OK): Update.
1341 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1342 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1343 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1344 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1345 (NPARM_REGS): Eight floating point parameter registers on SH4.
1346 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1347 in floating point registers.
1348 (GET_SH_ARG_CLASS) Likewise.
1349 Complex float types are also returned in float registers.
1350 (BASE_ARG_REG): Complex float types are also passes in float registers.
1351 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1352 (LIBCALL_VALUE): Remove trailing semicolon.
1353 (ROUND_REG): Round when double precision value is passed in floating
1355 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1356 passed on the stack.
1357 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1358 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1359 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1360 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1361 (MODE_DISP_OK_8): Not for SH4 DFmode.
1362 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1363 Allow indexed addressing for PSImode after reload.
1364 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1365 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1366 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1367 (DOUBLE_TYPE_SIZE): 64 for SH4.
1368 (RTX_COSTS): Add PLUS case.
1369 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1370 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1371 MAC_REGS, PR_REGS, DF_REGS.
1372 (REGISTER_NAMES): Use fp_reg_names.
1373 (enum processor_type): Add PROCESSOR_SH4.
1374 (sh_flag_remove_dead_before_cse): Declare.
1375 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1376 (PREDICATE_CODES): Add binary_float_operator,
1377 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1378 fpscr_operand, noncommutative_float_operator.
1379 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1380 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1381 * sh.md (attribute cpu): Add value sh4.
1382 (attrbutes fmovd, issues): Define.
1383 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1384 (function units memory, int, mpy, fp): Make dependent on issue rate.
1385 (function units issue, single_issue, load_si, load): Define.
1386 (function units load_store, fdiv, gp_fpul): Define.
1387 (attribute hit_stack): Provide proper default.
1388 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1389 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1390 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1391 (mulsi3_call): Now uses match_operand for function address.
1392 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1394 (push, pop, push_e, pop_e): Now define_expands.
1395 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1396 (movsi_ie): Added y/i alternative.
1397 (ic_invalidate_line_i, movdf_i4): New insns.
1398 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1399 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1400 (movdf): Add special code for SH4.
1401 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1402 (call_valuei, calli, call_value): Likewise.
1403 (movsf): Emit no-op move.
1404 (mov_nop, movsi_y): New insns.
1405 (blt, sge): generalize to handle DFmode.
1406 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1407 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1408 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1409 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1410 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1411 (toggle_sz): New insn.
1412 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1413 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1414 (macsf3): Make use of fpscr visible. Disable for SH4.
1415 (floatsisf2): Make use of fpscr visible.
1416 (floatsisf2_i4): New insn.
1417 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1418 (ieee_ccmpeqsf_t): Likewise.
1419 (fix_truncsfsi2): Emit different code for SH4.
1420 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1421 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1422 (negsf2, sqrtsf2, abssf2): Now expanders.
1423 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1424 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1425 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1426 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1427 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1428 (fix_truncdfsi2_i4_2+1): New splitters.
1429 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1430 (extendsfdf2, truncdfsf2): New expanders.
1431 (truncdfsf2_i4): New insn.
1432 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1433 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1434 * float-sh.h: When testing for __SH3E__, also test for
1435 __SH4_SINGLE_ONLY__ .
1436 * va-sh.h (__va_freg): Define to float.
1437 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1438 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1439 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1440 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1442 (TARGET_SH4_P): Define.
1445 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1446 init_expr_once is satisfied about the existence of load / store insns.
1448 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1449 change m constraint in source operand to mr / mf .
1451 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1453 * (__VA_REEF): Define.
1454 (__va_arg_sh1): Use it.
1456 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1458 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1460 * i386/dgux.c (struct option): Add new "description field".
1461 * m88k/m88k.c (struct option): Likewise.
1463 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1465 * version.c: Bump for snapshot.
1467 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1469 * regmove.c (regmove_profitable_p): Use return value of find_matches
1472 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1474 * version.c: Bump for snapshot.
1476 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1478 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1479 without reload having been called earlier.
1481 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1483 (v850_reorg): Similarly.
1485 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1487 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1489 * loop.c (move_movables): Start of libcall might be new loop start.
1491 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1493 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1495 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1497 * function.c (nonlocal_goto_handler_slots): Renamed from
1498 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1499 (push_function_context_to): Adjust for this change.
1500 (pop_function_context_from): Likewise.
1501 (init_function_start): Likewise.
1502 (expand_function_end): Likewise.
1503 * function.h (struct function): Likewise.
1504 * calls.c (expand_call): Likewise.
1505 * explow.c (allocate_dynamic_stack_space): Likewise.
1506 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1507 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1509 (expand_goto): When doing a nonlocal goto, find corresponding handler
1510 slot for it. Don't put the label address in the static chain register.
1511 (expand_end_bindings): Break out nonlocal goto handling code into
1512 three new functions.
1513 (expand_nl_handler_label, expand_nl_goto_receiver,
1514 expand_nl_goto_receivers): New static functions, broken out of
1515 expand_end_bindings and adapted to create one handler per nonlocal
1517 * function.c (delete_handlers): Delete insn if it references any of
1518 the nonlocal goto handler slots.
1519 * i960.md (nonlocal_goto): Comment out code that modifies
1521 * sparc.md (nonlocal_goto): Likewise.
1522 (goto_handler_and_restore_v9): Comment out.
1523 (goto_handler_and_restore_v9_sp64): Comment out.
1525 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1527 * expr.c (STACK_BYTES): Delete unused macro.
1528 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1529 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1530 (expand_call): Likewise.
1531 (emit_library_call): Likewise.
1532 (emit_library_call_value): Likewise.
1533 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1534 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1535 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1536 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1537 (allocate_dynamic_stack_space): Likewise.
1538 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1539 (STACK_BOUNDARY): Update description to reflect the new situation.
1541 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1543 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1544 return with a filled delay slot is followed by a return with an
1545 unfilled delay slot, delete the first return and reemit the insn
1546 that was previously in its delay slot.
1548 * i860.c (single_insn_src_p): Add missing parens.
1549 * ginclude/math-3300.h: Likewise.
1551 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1553 * regclass.c (init_reg_sets_1): Add prototype.
1554 (init_reg_modes): Likewise.
1556 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1558 * c-common.c: Change warning messages to say `comparison is
1559 always true' or `comparison is always false' instead of the
1560 confusing `is always 0', `is always 1'.
1562 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1564 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1565 break instead of return (which loses closing '>').
1567 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1569 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1570 standard 387 constants.
1572 * i386.md (jump): Explicitly set "memory" attribute.
1573 (indirect_jump, prologue_set_stack_ptr): Likewise.
1574 (prologue_get_pc_and_set_got, pop): Likewise.
1575 (allocate_stack_worder, blockage, return_internal): Likewise.
1576 (return_pop_internal, nop): Likewise.
1577 (epilogue_set_stack_ptr, leave): Likewise.
1579 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1581 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1583 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1585 * reload1.c (reload_reg_free_for_value_p):
1586 Early auto_inc reloads don't conflict with outputs.
1588 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1590 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1591 Instead call AC_HEADER_SYS_WAIT.
1593 * collect2.c: Don't provide defaults for sys/wait.h macros.
1595 * protoize.c: Likewise. Also, don't include sys/wait.h.
1597 * system.h: Include sys/wait.h and provide macro defaults.
1599 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1601 * Makefile.in (mandir): Set to @mandir@.
1602 (man1dir): New variable to hold the former value of $(mandir).
1603 Replace all uses of $(mandir) by $(man1dir).
1605 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1607 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1608 a new one before passing it to force_const_mem.
1610 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1611 find_reloads_address call.
1613 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1615 * expr.c (store_expr): Don't generate load-store pair
1616 if TEMP is identical (according to ==) with TARGET.
1618 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1620 * reload1.c (reload_reg_free_for_value_p): When considered reload
1621 has an output, matching inputs are not sufficient to avoid conflict.
1623 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1625 * hash.h (hash_table_key): New type.
1626 (hash_entry): Change `string' field to generic `key'.
1627 (hash_table): Add `comp' and `hash' functions.
1628 (hash_table_init): Take them as input.
1629 (hash_table_init_n): Likewise.
1630 (hash_lookup): Modify for generic keys.
1631 (hash_newfunc): Likewise.
1632 (hash_traverse): Likewise.
1633 (string_hash): New function.
1634 (string_compare): Likewise.
1635 (string_copy): Likewise.
1636 * hash.c (hash_table_init_n): Modify for generic keys.
1637 (hash_table_init): Likewise.
1638 (hash_lookup): Likewise.
1639 (hash_newfunc): Likewise.
1640 (hash_traverse): Likewise.
1641 (string_hash): Split out from hash_lookup.
1642 (string_compare): New function.
1643 (string_copy): Split out from hash_lookup.
1644 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1646 (symbol_hash_lookup): Likewise.
1647 (file_hash_newfunc): Likewise.
1648 (file_hash_lookup): Likewise.
1649 (demangled_hash_newfunc): Likewise.
1650 (demangled_hash_lookup): Likewise.
1651 (tlink_int): Likewise.
1652 (read_repo_file): Likewise.
1653 (recompile_files): Likewise.
1654 (demangle_new_symbols): Likewise.
1655 (scan_linker_output): Likewise.
1657 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1659 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1661 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1663 * rs6000.c (output_mi_thunk): Improve test for local branch.
1665 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1667 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1669 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1671 * reload1.c (reload_reg_free_before_p): Delete.
1672 Changed all callers to use reload_reg_free_for_value_p instead.
1673 (reload_reg_free_for_value_p): Handle more reload types.
1674 A RELOAD_FOR_INPUT doesn't conflict with its
1675 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1676 Add special case for OUT == const0_rtx.
1677 Added ignore_address_reloads argument. Changed all callers.
1679 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1681 * toplev.c (compile_file): Don't pedwarn about undefined static
1682 functions just because we passed -Wunused.
1684 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1686 * function.c (purge_addressof_1): Unshare rtl created by
1689 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1691 * regmove.c (regmove_optimize): Don't do anything but
1692 optimize_reg_copy[123] when flag_regmove is not set.
1694 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1696 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1697 value in paradoxical SImode result, rather than truncating midpoint.
1699 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1701 * alpha.c (reg_not_elim_operand): New.
1702 * alpha.h (PREDICATE_CODES): Add it.
1703 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1704 for the multiplicand.
1706 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1708 * rs6000.md (movsf): Remove explicit secondary-reload-like
1709 functionality. Only truncate SFmode store if in FPR.
1710 (movsf splitters): Combine const_double splitters.
1711 (movsf_hardfloat): Add GPR support.
1713 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1715 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1716 deprecate -mlive-g0 and -mbroken-saverestore.
1717 * t-splet (MULTILIB_OPTIONS): Likewise.
1719 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1720 in a leaf function. Clarify total_size/extra_size relationship.
1722 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1724 * i386/cygwin32.asm: Delete.
1725 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1726 * i386/cygwin32.h: Delete.
1727 * i386/cygwin.h: New file, renamed from cygwin32.h.
1728 * i386/t-cygwin32: Delete.
1729 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1730 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1731 * i386/x-cygwin32: Delete.
1732 * i386/x-cygwin: New file, renamed from x-cygwin32.
1733 * i386/xm-cygwin32: Delete.
1734 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1735 renamed cygwin_ funcs for path translations.
1736 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1737 * i386/winnt.c: Remove "32" from comment about cygwin.
1738 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1739 * rs6000/cygwin32.h: Delete.
1740 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1741 -D__CYGWIN__ to CPP_PREDEFINES.
1742 * rs6000/x-cygwin32: Delete.
1743 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1744 * rs6000/xm-cygwin32: Delete.
1745 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1747 * configure.in: Check for cygwin* instead of cygwin32. Account
1748 for the rename of cygwin-related config files to lose the "32"s.
1749 * configure: Regenerate.
1751 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1752 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1754 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1756 * Makefile.in (JAVAGC): New macro.
1757 * configure: Rebuilt.
1758 * configure.in: Recognize --enable-java-gc argument. Subst
1761 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1763 Handle equivalences that have been obscured by gcse:
1765 * reload1.c (reload): Handle equivalences set up in multiple places.
1766 * local-alloc.c (reg_equiv_init_insns): New variable.
1767 (no_equiv): New function.
1768 (update_equiv_regs): Handle equivalences set up in multiple places.
1769 Don't ignore an insn just because its destination is likely to be
1772 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1774 * except.c (expand_eh_return): Readd force_operand call lost in
1777 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1779 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1781 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1783 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1785 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1787 * regmove.c (regmove_optimize): Fix error in last change.
1789 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1791 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1792 offset in the .mask pseudo to compensate for frame pointer adjustments.
1793 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1794 word swap arguments moved to/from FP registers.
1795 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1797 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1799 * version.c: Bump for snapshot.
1801 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1803 * version.c: Bump for snapshot.
1805 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1807 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1808 times, then it can not be completely replaced.
1810 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1812 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1814 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1816 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1817 (to distinguish it from the macro wrapping ansidecl.h.)
1818 Include libiberty's ansidecl.h. Remove all redundant definitions.
1819 Define the PROTO() style macros in terms of the PARAMS() ones.
1822 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1823 __STDC__, when deciding whether to use ANSI variable args.
1824 (emit_library_call_value): Likewise.
1826 * cccp.c (error): Likewise.
1827 (warning): Likewise.
1828 (error_with_line): Likewise.
1829 (warning_with_line): Likewise.
1830 (pedwarn): Likewise.
1831 (pedwarn_with_line): Likewise.
1832 (pedwarn_with_file_and_line): Likewise.
1835 * cexp.y (error): Likewise.
1836 (pedwarn): Likewise.
1837 (warning): Likewise.
1839 * collect2.c (fatal_perror): Likewise.
1843 * combine.c (gen_rtx_combine): Likewise.
1845 * cpperror.c (cpp_message): Likewise.
1846 (cpp_fatal): Likewise.
1848 * cpplib.c (cpp_error): Likewise.
1849 (cpp_warning): Likewise.
1850 (cpp_pedwarn): Likewise.
1851 (cpp_error_with_line): Likewise.
1852 (cpp_warning_with_line): Likewise.
1853 (cpp_pedwarn_with_line): Likewise.
1854 (cpp_pedwarn_with_file_and_line): Likewise.
1856 * cpplib.h: Don't define PARAMS() macro.
1858 * demangle.h: Likewise.
1860 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1861 when deciding whether to use ANSI variable args.
1863 * emit-rtl.c (gen_rtx): Likewise.
1864 (gen_rtvec): Likewise.
1866 * final.c (asm_fprintf): Likewise.
1868 * fix-header.c (cpp_message): Likewise.
1870 (cpp_fatal): Likewise.
1872 * gcc.c (concat): Likewise.
1876 * genattr.c (fatal): Likewise.
1878 * genattrtab.c (attr_rtx): Likewise.
1879 (attr_printf): Likewise.
1882 * gencodes.c (fatal): Likewise.
1884 * genconfig.c (fatal): Likewise.
1886 * genemit.c (fatal): Likewise.
1888 * genextract.c (fatal): Likewise.
1890 * genflags.c (fatal): Likewise.
1892 * genopinit.c (fatal): Likewise.
1894 * genoutput.c (fatal): Likewise.
1897 * genpeep.c (fatal): Likewise.
1899 * genrecog.c (fatal): Likewise.
1901 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1902 deciding whether to declare `tree_node' and `rtx_def'.
1904 * hash.h: Don't define stuff we get from gansidecl.h.
1906 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1907 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1908 whether to use ANSI variable args.
1911 * prefix.c (concat): Likewise.
1915 * system.h: Likewise.
1917 * toplev.c (error_with_file_and_line): Likewise.
1918 (error_with_decl): Likewise.
1919 (error_for_asm): Likewise.
1922 (warning_with_file_and_line): Likewise.
1923 (warning_with_decl): Likewise.
1924 (warning_for_asm): Likewise.
1925 (warning): Likewise.
1926 (pedwarn): Likewise.
1927 (pedwarn_with_decl): Likewise.
1928 (pedwarn_with_file_and_line): Likewise.
1930 (really_sorry): Likewise.
1932 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1933 whether to declare `tree_node' and `rtx_def'.
1935 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1936 deciding whether to use ANSI variable args.
1937 (build_nt): Likewise.
1938 (build_parse_node): Likewise.
1940 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1942 * version.c: Bump for snapshot.
1944 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1946 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1948 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1950 * collect2.c (main, case 'b'): Use else if.
1952 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1954 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1955 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1956 before the config/ directory headers.
1957 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1958 gansidecl.h in the list of dependencies.
1960 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1961 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1962 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1963 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1964 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1965 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1968 * cccp.c: Don't include gansidecl.h.
1970 * collect2.c: Likewise.
1971 * config/c4x/c4x.c: Likewise.
1972 * config/v850/v850.h: Likewise.
1973 * cppalloc.c: Likewise.
1974 * cpperror.c: Likewise.
1975 * cppexp.c: Likewise.
1976 * cppfiles.c: Likewise.
1977 * cpphash.c: Likewise.
1978 * cpplib.c: Likewise.
1979 * cppmain.c: Likewise.
1980 * cppulp.c: Likewise.
1981 * demangle.h: Likewise.
1982 * doprint.c: Likewise.
1983 * dyn-string.c: Likewise.
1984 * eh-common.h: Likewise.
1985 * fix-header.c: Likewise.
1986 * frame.c: Likewise.
1989 * gen-protos.c: Likewise.
1990 * gencheck.c: Likewise.
1991 * halfpic.h: Likewise.
1993 * machmode.h: Likewise.
1994 * mbchar.c: Likewise.
1995 * prefix.c: Likewise.
1996 * protoize.c: Likewise.
1997 * recog.h: Likewise.
1999 * scan-decls.c: Likewise.
2001 * varray.h: Likewise.
2003 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2005 * i386.md (call_value_pop): If we're not popping anything,
2006 defer to call_value.
2007 (call_pop): Likewise defer to call.
2009 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2011 * function.c (purge_addressof): Clear purge_addressof_replacements
2012 only after processing the whole function.
2014 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2016 * reload1.c (reload): If we can not perform a particular elimination
2017 when we thought we could earlier, then we must always iterate through
2018 the loop at least one more time.
2020 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2022 * alpha.c (add_operand): Simplify the CONST_INT match.
2023 (sext_add_operand): Correct typo in comparison by using
2024 CONST_OK_FOR_LETTER_P.
2025 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2026 constant alternatives to be generated.
2027 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2028 small constants, since the hw instructions do.
2030 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2032 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2033 previous insn to store directly into our reload register, make sure
2034 that if the source of the previous insn is a reload register, its
2035 spill_reg_store and spill_reg_stored_to values are cleared.
2037 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2039 * rs6000.md (floatunssidf2_internal splitter): Use base register
2040 operand, not hard-coded SP.
2042 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2044 * jump.c (calculate_can_reach_end): Fix thinko.
2046 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2048 * reorg.c (fill_simple_delay_slots): Fix typo.
2050 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2052 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2054 * i386.md (extendsidi2): Use # in the output template.
2055 (extendsidi splitters): New splitters.
2057 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2059 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2061 * configure: Regenerate.
2063 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2065 * jump.c (init_label_info, delete_barrier_successors,
2066 mark_all_labels, delete_unreferenced_labels,
2067 delete_noop_moves, calculate_can_reach_end): New functions broken
2068 out of jump_optimize.
2069 (jump_optimize): Use them.
2071 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2073 * except.c (expand_fixup_region_end): Make sure outer context labels
2074 are not issued in an inner context during cleanups.
2076 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2078 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2081 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2083 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2084 to expose this midpoint to CSE.
2086 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2088 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2090 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2092 * configure.in: Bring over gcc2 change of Nov 19 1997.
2094 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2096 * toplev.c (output_lang_identify): Make definition dependent on
2097 ASM_IDENTIFY_LANGUAGE.
2099 * print-rtl.c (spaces): Make static.
2101 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2103 * extend.texi: Clarify proper uses for register clobbers in asms.
2105 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2107 * recog.h (enum op_type): Define.
2108 (constrain_operands): Adjust prototype.
2109 (recog_op_type): Declare new variable.
2110 * recog.c (recog_op_type): New variable.
2111 (insn_invalid_p): Allow modifying an asm statement after reload.
2112 (extract_insn): Set up recog_op_type.
2113 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2114 Don't compute operand types, use recog_op_type.
2115 Use the information computed by extract_insn instead of the previous
2116 method of finding it by insn code number.
2117 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2118 * reorg.c (fill_slots_from_thread): Likewise.
2119 * reload1.c (reload_as_needed): Likewise.
2120 (gen_reload): Likewise.
2121 (inc_for_reload): Likewise.
2122 (reload_cse_simplify_operands): Likewise.
2123 Use the information computed by extract_insn instead of the previous
2124 method of finding it by insn code number.
2125 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2127 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2128 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2129 Use the information computed by extract_insn instead of the previous
2130 method of finding it by insn code number.
2131 * regmove.c (find_matches): Likewise. Change meaning of the return
2132 value to be nonzero if the optimization can be performed, zero if
2133 not. All callers changed.
2134 Shorten some variable names to fix formatting problems.
2135 (regmove_optimize): Shorten some variable names to fix formatting
2137 Use the information computed by extract_insn instead of the previous
2138 method of finding it by insn code number.
2139 * regclass.c (scan_one_insn): Likewise.
2140 (record_reg_classes): Don't compute operand types, use recog_op_type.
2141 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2142 recog_constraints instead.
2144 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2146 * rtl.h (flow2_completed): Declare.
2147 * flow.c (flow2_completed): Definition.
2148 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2151 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2153 * Makefile.in (libcpp.a): Ranlib libcpp.a
2155 * cppulp.c (user_label_prefix): Initialize.
2157 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2159 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2160 at a RETURN if current_function_sp_is_unchanging is set.
2162 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2164 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2166 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2168 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2169 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2170 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2171 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2172 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2173 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2175 (LIB_SPEC): Handle -mno-cyginw option.
2176 (LINK_SPEC): Handle -mdll.
2178 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2180 * reload.c (find_reloads): Fix test for usage by other reload
2181 to handle secondary reloads properly.
2183 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2185 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2186 intermediate structure which has exactly the members provided by
2187 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2188 static intermediate structure.
2190 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2191 from the intermediate structure. Do the same analogous fix in
2192 the case where ELIMINABLE_REGS is not defined.
2194 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2196 * pa.h (SELECT_SECTION): Fix thinko.
2198 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2200 * dwarf2out.c (output_call_frame_info): Comments on last change.
2202 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2204 * arm.c (add_constant): When taking the address of an item in the
2205 pool, get the mode of the item addressed.
2207 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2208 contain a SET or a PARALLEL, don't consider it for conditional
2211 Restore ABI compatibility for NetBSD.
2212 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2214 (RETURN_IN_MEMORY): Likewise.
2216 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2218 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2219 (m32r_output_block_move): Rewrite bytes < 4 handling.
2221 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2223 * configure.in: Call AC_FUNC_VFORK.
2225 * collect2.c: Define VFORK_STRING as a printable string for
2226 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2227 defined, include vfork.h. If VMS is defined, define vfork()
2228 appropriately. Remove vfork check on USG, we're using autoconf.
2229 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2230 checking locally what string to pass.
2231 (scan_prog_file): Likewise.
2232 (scan_libraries): Likewise.
2234 * gcc.c: Remove vfork check on USG, we're using autoconf.
2235 Besides, no calls to vfork/fork occur in this file.
2237 * protoize.c: Likewise.
2239 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2241 * configure.in (DEFAULT_LINKER): renamed from LD
2242 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2243 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2244 * configure: rebuilt
2246 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2248 * BUGS: fix the regexp for `more' to find the appropriate node.
2249 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2251 * BUGS: added link to the WWW FAQ
2253 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2255 * version.c: Bump for snapshot.
2257 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2259 * From Christian Gafton:
2260 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2261 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2262 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2264 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2266 * c-common.c (c_get_alias_set): Allow all type-punning through
2267 unions. Don't get confused about the type of a bit-field, despite
2268 the antics of build_modify_expr.
2270 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2272 * fixinc.sco: Paramaterize #include_next values.
2273 * fixinc/fixinc.sco: Likewise.
2275 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2277 * toplev.c (rest_of_compilation): No longer set reload_completed.
2278 * reload1.c (reload): Set it here. Perform instruction splitting
2279 after reload has completed if we will be running the scheduler
2282 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2284 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2285 EH region if exceptions are enabled and we're performing cross
2287 (find_cross_jump): Exit loop if the insns are in different EH regions.
2289 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2291 * dwarf2out.c (output_call_frame_info): Use
2292 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2294 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2296 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2297 * c-common.c (check_format_info): Don't check for the 'x'
2298 format character twice, instead check for 'x' and 'X'
2300 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2302 * configure.in (assembler features): Also make gas is configured if
2303 we find it in the souce tree.
2305 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2307 * i386.c (i386_comp_type_attributes): Compare whether the
2308 attributes are defined, not their tree nodes.
2310 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2312 * configure.in (gxx_include_dir): bitten by autoconf quoting
2314 * configure: rebuilt
2316 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2318 * configure.in: Ignore non-absolute value in $AS.
2320 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2322 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2324 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2326 * configure.in (msdosdjgpp): Set exeext and target_alias.
2328 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2330 * flow.c (XNMALLOC): New macro.
2331 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2333 (add_edge, add_edge_to_label): New static functions.
2334 (free_bb_memory): New function.
2335 (flow_delete_insn): Delete function.
2336 (basic_block_drops_in): Delete variable.
2337 (find_basic_blocks): Allocate and initialize basic_block_head,
2338 basic_block_succ. Don't allocate basic_block_drops_in.
2339 Call free_bb_memory at the beginning.
2340 (find_basic_blocks_1): Don't do multiple passes.
2341 Delete code to compute basic_block_drops_in.
2342 After calling make_edges, mark blocks reached by current block live.
2343 Update test for unreachable live blocks.
2344 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2346 Simplify to call add_edge_to_label when a LABEL_REF is found.
2347 (make_edges): Simplify to call add_edge_to_label instead of
2348 mark_label_ref most of the time.
2349 Compute here whether control drops into the next block.
2350 (delete_unreachable_blocks): Return void. All callers changed.
2351 Delete unreachable blocks in reverse order.
2352 After deleting all unreachable blocks, renumber the remaining ones
2353 and update n_basic_blocks.
2354 (delete_block): Speed up deletion a bit.
2355 Don't set basic_block_drops_in for deleted blocks.
2356 (free_basic_block_vars): Don't free basic_block_drops_in.
2357 (life_analysis_1): Update to use new edge representation.
2358 (dump_flow_info): Delete code to print basic block info; call
2359 dump_bb_data instead.
2360 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2361 and uid_block_number.
2362 Simply copy the previously computed cfg.
2363 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2364 Print register lifetime information if LIVE_INFO is nonzero.
2365 * basic-block.h (dump_bb_data): Adjust prototype.
2366 * gcse.c (gcse_main): Update call to dump_bb_data.
2367 * rtl.h (free_bb_memory): Declare.
2368 * toplev.c (rest_of_compilation): Call free_bb_memory.
2370 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2371 (update_eliminable_offsets): Don't compute it.
2372 (set_initial_elim_offsets): Don't initialize it.
2373 Break out some code into set_initial_label_offsets so the rest of
2374 this function can be called from reload_as_needed.
2375 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2376 ELIMINABLE_REGS isn't.
2377 (set_initial_label_offsets): New function, broken out of
2378 set_initial_elim_offsets.
2379 (set_offsets_for_label): New function, broken out of set_label_offsets
2380 and reload_as_needed.
2381 (reload): Call the two new functions.
2382 (reload_as_needed): Call set_initial_elim_offsets instead of
2383 duplicating the code. Likewise for set_offsets_for_label.
2385 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2386 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2387 any hard reg, reg_reloaded_dead contains valid data.
2389 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2391 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2392 "stdcall" and "cdecl" attributes.
2394 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2396 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2397 handle deleted no-op moves of hard registers.
2398 * haifa-sched.c (update_flow_info): Likewise.
2400 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2402 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2403 of the sequences to reload the HILO register which do not actually
2406 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2408 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2410 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2412 * except.c (emit_eh_context): Make the EH context register stay alive
2413 at -O0 so stupid.c doesn't get confused.
2415 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2417 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2419 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2420 Jeffrey A Law (law@cygnus.com)
2422 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2423 (zero_extendsidi2): Use # in output template and handle completely by
2425 (zero_extend splitters): New define_splits.
2426 (ashiftrt_32): New pattern.
2428 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2430 * tree.c (append_random_chars): New fn.
2431 (get_file_function_name_long): Use it.
2433 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2435 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2436 (LIBCPP_OBJS): New. Add cppulp.o.
2437 (cppmain, fix-header): Depend on and use libcpp.a.
2438 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2439 of the individual object files.
2440 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2443 * cccp.c (user_label_prefix): New.
2444 (main): Set it off -f*leading-underscore.
2445 (special_symbol): Use it.
2446 * cpplib.c (special_symbol): Likewise.
2447 (cpp_handle_option): Handle -f*leading-underscore.
2448 * cppulp.c: New file.
2450 * output.h (user_label_prefix): Declare it.
2451 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2452 * toplev.c (f_options, main): Handle -f*leading-underscore.
2454 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2455 referencing USER_LABEL_PREFIX directly.
2456 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2457 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2458 * final.c (asm_fprintf): Use user_label_prefix instead.
2459 * arm/thumb.c (thumb_print_operand): Likewise.
2461 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2462 cpp wherever appropriate.
2464 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2466 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2467 specific compiler switches.
2469 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2471 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2474 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2476 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2477 structure which has exactly the members provided by EXTRA_SPECS.
2478 Xmalloc() the real `extra_specs', and initialize it from this
2479 intermediate structure.
2481 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2483 * mips.h (EXTRA_SPECS): Likewise.
2485 * sparc.h (EXTRA_SPECS): Likewise.
2487 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2489 * function.c (purge_addressof_1): Instead of aborting when a
2490 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2491 work just put the ADDRESSOF on stack. Otherwise remember all such
2492 successfull replacements, so that exactly the same replacements
2493 can be made on the REG_NOTEs. Remove the special case for CALL
2495 (purge_addressof_replacements): New variable.
2496 (purge_addressof): Clear it at end.
2498 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2500 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2501 (lang_init): Call check_newline always.
2502 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2503 cpp_start_read, set yy_cur and yy_lim to read from
2504 parse_in.token_buffer, so that we'll see the first #line
2506 * cpplib.c (cpp_start_read): finclude the main input file
2507 before processing -include/-imacros. Process -imacros and
2508 -include separately, and handle -include by stacking a
2509 buffer for the file in question as if it'd been #included.
2510 * toplev.c (documented_lang_options) Recognize -H when
2513 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2515 * cpplib.c: Merge do_once into do_pragma. Break file handling
2516 code out of do_include.
2517 Move append_include_chain, deps_output,
2518 file_cleanup, redundant_include_p, import_hash,
2519 lookup_import, add_import, read_filename_string, read_name_map,
2520 open_include_file, finclude, safe_read to cppfiles.c.
2521 Move prototypes for deps_output, append_include_chain,
2522 finclude to cpplib.h. Move definition of struct
2523 file_name_list there also.
2525 * cppfiles.c: New file. Contains all the above functions
2526 broken out of cpplib.c; also hack_vms_include_specification
2527 from cccp.c and find_include_file, a new function broken out of
2530 * Makefile.in (cppmain): Depend on cppfiles.o.
2531 (fix-header): Likewise.
2532 (cppfiles.o): New target.
2533 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2534 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2536 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2538 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2539 if pending_types is non-zero.
2540 (dwarfout_finish): Verify pending_types is zero before finishing.
2542 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2544 * expr.c (convert_move): Use shifts to perform the move if a
2545 suitable extend pattern cannot be found. Code written by
2546 Richard Henderson <rth@cygnus.com>.
2548 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2550 * regclass.c (renumber, regno_allocated): New static variables, moved
2551 out of allocate_reg_info.
2552 (allocate_reg_info): Move these two variables outside the function.
2553 Move code to free memory into new function free_reg_info.
2554 (free_reg_info): New function, broken out of allocate_reg_info.
2555 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2556 * rtl.h (allocate_reg_info): Don't declare.
2557 (free_reg_info): Declare.
2559 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2561 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2563 * toplev.c (compile_file): Temporarily revert last change.
2565 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2567 * c-typeck.c (convert_for_assignment): Parenthesize.
2569 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2571 * reload1.c (delete_output_reload): Avoid ambigous else.
2573 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2575 * toplev.c (compile_file): Call allocate_reg_info to free register
2577 * rtl.h (allocate_reg_info): Declare.
2579 * PROJECTS: Remove entry for local spilling.
2581 * final.c (cleanup_subreg_operands): New function.
2582 (final_scan_insn): Use it.
2583 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2585 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2586 operands when reload has finished.
2587 * reload.h (cleanup_subreg_operands): Declare..
2588 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2589 reload. Handled in reload itself.
2591 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2593 * reload1.c (verify_initial_offsets): New function.
2594 (reload): Call it after reload_as_needed. Also verify that the frame
2595 size stays constant during reload_as_needed.
2596 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2598 * reload.h (struct insn_chain): Add need_operand_change element.
2599 * reload1.c (new_insn_chain): Clear it.
2600 (calculate_needs_all_insns): Set it; don't overload need_reload.
2601 (reload_as_needed): Use it.
2603 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2604 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2605 and reload_address_index_reg_class.
2606 (find_reloads_address_1): Likewise.
2607 * reload.h (reload_address_base_reg_class,
2608 reload_address_index_reg_class): Don't declare.
2609 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2610 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2611 (used_spill_regs): Now static.
2612 (reload_address_base_reg_class, reload_address_index_reg_class,
2613 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2614 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2615 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2618 (init_reload): Delete code to compute base/index reg classes.
2619 (reload): Delete variable J.
2620 Delete code to manage basic_block_needs.
2621 Don't compute regs_explicitly_used.
2622 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2623 pseudo_previous_regs.
2624 Initialize bad_spill_regs_global.
2625 Don't call order_regs_for_reload here.
2626 Don't initialize spill_reg_order and n_spills.
2627 Don't forbid explicitly used regs to be used for spill regs.
2628 Change main loop to infinite loop, with explicit break statements.
2629 Make SOMETHING_CHANGED variable local to that loop.
2630 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2631 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2632 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2634 Don't call dump_needs.
2635 Delete code to reset potential_reload_regs.
2636 Delete code to terminate loop conditional on the global needs variables
2637 showing no further needs.
2638 (calculate_needs_all_insns): Return void. All callers changed.
2639 Initialize somehing_needs_elimination here, not in reload.
2640 Delete avoid_return_reg kludge.
2641 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2642 All callers changed.
2643 Initialize the group_mode and group_size elements of the arg CHAIN.
2644 Delete code to manage basic_block_needs.
2645 Operate on elements of CHAIN instead of global variables.
2646 Delete avoid_return_reg kludge.
2647 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2648 All callers changed.
2649 Operate on elements of CHAIN instead of global variables.
2650 Delete special SMALL_REGISTER_CLASSES code.
2651 Delete spill_failure code; now in new_spill_reg.
2652 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2653 All callers changed.
2654 Operate on elements of CHAIN instead of global variables.
2655 (maybe_mark_pseudo_spilled): New static function.
2656 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2657 All callers changed.
2658 Operate on elements of CHAIN instead of global variables.
2659 Call order_regs_for_reload here, not in reload.
2660 Initialize spill_reg_order and n_spills.
2661 Simplify test whether an asm insn is involved.
2662 Delete spill_failure code; now in new_spill_reg.
2663 Call maybe_mark_pseudo_spilled for everything marked as live in
2664 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2666 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2667 compiler from optimizing this function (now unused) away.
2668 Operate on elements of CHAIN instead of global variables.
2669 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2671 Operate on elements of CHAIN instead of global variables.
2672 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2673 take CHAIN arg. All callers changed.
2674 Operate on elements of CHAIN instead of global variables.
2675 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2676 CHAIN, NONGROUP args. Return void. All callers changed.
2677 Verify caller isn't trying to spill a pseudo.
2678 Simplify test for illegal reg, just use bad_spill_regs.
2679 Generate better error messages.
2680 Operate on elements of CHAIN instead of global variables.
2681 Mark spilled register in CHAIN's used_spill_regs element.
2682 Don't call spill_hard_reg.
2683 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2684 Mark spilled hard regs in bad_spill_regs_global.
2685 Mark affected pseudos in spilled_pseudos, but don't spill them.
2686 (ior_hard_reg_set): New static function.
2687 (finish_spills): Return int. All callers changed.
2688 Compute spill_reg_order, n_spills and spill_regs here. Also update
2689 regs_ever_live for regs used as spills.
2690 For every pseudo in spilled_pseudos, spill it and mark the previous
2691 hard reg it had in pseudo_previous_regs. Compute which hard regs
2692 arseudo): New static function.
2693 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2694 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2695 hard registers explicitly used across the current insn into the set.
2696 Compute hard_reg_n_uses taking only pseudos live across this insn
2698 Tweak sorting of potential_reload_regs.
2699 (compare_spill_regs): Delete function.
2700 (reload_as_needed): Don't sort the spill_regs array, it's computed
2701 in proper order in finish_spills.
2702 Delete avoid_return_reg kludge.
2703 Delete code to manage basic_block_needs.
2704 (allocate_reload_reg): Minor speed/readability tweaks.
2705 Operate on elements of CHAIN instead of global variables.
2706 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2707 Delete avoid_return_reg kludge.
2708 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2709 Delete unused label FAIL.
2710 (reload_combine): Replce reload_address_index_reg_class with
2712 Don't use used_spill_regs to determine information about lifetime of
2715 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2717 * toplev.c (display_help): Ignore empty target specific
2718 options, and if -W is also specified on the command line then
2719 display undocumented options.
2721 * config/arm/arm.c: Updated with changes in devo sources.
2722 * config/arm/arm.h: Updated with changes in devo sources.
2723 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2724 * config/arm/lib1thumb.asm: Add ELF support.
2726 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2728 * collect2.c (aix64_flag): New variable.
2729 (main, case 'b'): Parse it.
2730 (GCC_CHECK_HDR): object magic number must match mode.
2731 (scan_prog_file): Only check for shared object if valid header.
2732 Print debugging if header/mode mismatch.
2734 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2736 Added support for arm-elf-linux configuration, submitted by Philip
2737 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2738 code developed by Catherine Moore <clm@cygnus.com>. The following
2741 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2744 * configure: Regenerated.
2746 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2747 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2748 definitions conditional on their not having been already defined.
2750 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2751 and .type directives, and add "(PLT)" qualification to function
2754 * config/arm/linux.h: Deleted. This file is now superceeded by
2755 either linux-elf.h or linux-aout.h.
2757 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2758 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2760 Move definitions from old linux.h file here.
2762 * config/arm/elf.h: New file. Generic ARM/ELF support.
2764 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2766 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2768 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2769 using the 26bit APCS.
2771 * config/arm/unknown-elf.h: New file. Support for OS'es other
2772 than Linux with ELF.
2774 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2777 * config/arm/coff.h: Include aout.h for basic assembler macros.
2778 Add support for -mstructure_size_boundary=<n> command line option.
2780 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2781 command line option. Make macro definitions conditional on their
2782 not having been already defined.
2784 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2785 command line option.
2788 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2790 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2791 has been changed to not include a newline. Use this macro instead.
2792 (output_enumeral_list, const_value_attribute, name_attribute,
2793 comp_dir_attribute, prototyped_attribute, producer_attribute,
2794 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2795 dwarfout_file_scope_decl, generate_new_sfname_entry,
2796 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2797 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2799 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2801 * combine.c (subst): Process the inputs to a parallel asm_operands
2804 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2806 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2808 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2810 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2812 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2814 * version.c: Bump for snapshot.
2816 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2818 * stmt.c (expand_fixup): Set fixup->before_jump to a
2819 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2821 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2823 * Makefile.in (recog.o): Depend on toplev.h.
2824 (insn-emit.o): Depend on recog.h.
2825 (insn-peep.o): Depend on recog.h and insn-config.h.
2827 * combine.c (simplify_set): Remove unused variable `scratches'.
2829 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2830 and `idx' in macro conditional controlling their use.
2832 * genemit.c (main): Make the generated output file include
2833 recog.h. Don't have it declare `insn_operand_constraint', since
2834 we get it from recog.h.
2836 * genpeep.c (main): Make the generated output file include
2837 insn-config.h and recog.h.
2839 * recog.c: Include toplev.h.
2840 (extract_insn): Remove unused variable `p'.
2842 * regclass.c (fix_register): Add missing braces around initializer
2844 (allocate_reg_info): Move variable `i' into the scope where it is
2845 used. Change its type to `size_t'.
2847 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2849 * reload.c (push_reload): When merging reloads, make sure
2850 that reload_in_reg and reload_in are from the same reload in
2853 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2855 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2856 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2858 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2860 * loop.c (loop_has_tablejump): New variable.
2861 (prescan_loop): Scan for it.
2862 (insert_bct): Replace explicit scan with use of it.
2863 * regclass.c (regclass): Restore loop variable j.
2864 (record_reg_classes): Deterine op_types modifiers and initialize
2865 classes[i] before matching constraints. Handle matching
2868 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2870 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2873 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2875 * mips.h (EXTRA_SPECS): Add missing initializers.
2877 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2879 * sparc.h (EXTRA_SPECS): Add missing initializers.
2880 (sparc_defer_case_vector): Provide a prototype.
2882 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2883 comparing it to the result of a pointer subtraction.
2885 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2887 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2888 the argument to (unsigned char).
2890 * alpha.h (EXTRA_SPECS): Add missing initializers.
2891 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2894 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2896 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2897 (propagate_block): Delete dead code after reload.
2899 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2900 back Oct 15, 1998 change.
2901 * haifa-sched.c (update_flow_info): Likewise.
2902 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2904 * mn10200.md (truncated shift): Accept constant inputs too.
2906 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2908 * machmode.h (mode_mask_array): No longer const.
2909 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2911 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2913 * frame.c: Somewhat explain `FDE'.
2914 Suggested by Brendan Kehoe
2916 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2918 * expr.c (pending_chain): Move up.
2919 (save_expr_status): Do save pending_chain.
2920 (restore_expr_status): And restore it.
2921 * function.h (struct function): Add pending_chain.
2923 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2925 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2926 did not match the code.
2928 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2930 * regclass.c (regclass): Break out some code into new function
2931 scan_one_insn, and into regclass_init.
2932 (init_cost): New static variable, moved out of regclass.
2933 (regclass_init): Initialize it here, not in .
2934 (scan_one_insn): New static function, broken out of regclass.
2935 * recog.c (apply_change_group): Break out some code into new
2936 function insn_invalid_p.
2937 (insn_invalid_p): New static fn, broken out of apply_change_group.
2939 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2941 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2942 reg_reloaded_contents matches incremented pseudo.
2944 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2946 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2948 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2949 addressing modes with side effects. These are currently
2950 placeholders for the C4x target.
2952 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2954 * loop.c (express_from): Make sure that when generating a PLUS of
2955 a PLUS, any constant expression appears on the outermost PLUS.
2957 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2959 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2960 works if "$(srcdir)" != ".".
2962 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2964 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2965 existing SUBREG if we can, otherwise abort.
2967 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2969 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2970 `restrict' is applied to a non-pointer variable.
2972 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2974 * invoke.texi: Document -flang-isoc9x.
2976 * Makefile.in (OBJS): Add splay-tree.o.
2977 (c-common.o): Depend on rtl.h.
2978 (splay-tree.o): List dependencies and provide build rule.
2980 * rtl.h (record_alias_subset): New function.
2981 * alias.c: Include splay-tree.h.
2982 (alias_set_entry): New type.
2983 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2984 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2985 (mems_in_disjoin_alias_sets_p): New function.
2986 (alias_set_compare): Likewise.
2987 (insert_subset_children): Likewise.
2988 (get_alias_set_entry): Likewise.
2990 * tree.h (TYPE_RESTRICT): New macro.
2991 (TYPE_UNQUALIFIED): New manifest constant.
2992 (TYPE_QUAL_CONST): Likewise
2993 (TYPE_QUAL_VOLATILE): Likewise.
2994 (TYPE_QUAL_RESTRICT): Likewise.
2995 (tree_type): Add restrict_flag. Reduce count of free bits.
2996 (DECL_POINTER_ALIAS_SET): New macro.
2997 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
2998 (tree_decl): Add pointer_alias_set.
2999 (build_qualified_type): New function.
3000 (build_type_variant): Define in terms of build_qualified_type.
3001 * tree.c (set_type_quals): New function.
3002 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3003 (build_type_attribute_variant): Use build_qualified_type and
3005 (build_type_variant): Rename, and modify, to become...
3006 (build_qualified_type): New function.
3007 (build_complex_type): Use set_type_quals.
3009 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3010 (C_TYPE_FUNCTION_P): Likewise.
3011 (C_TYPE_INCOMPLETE_P): Likewise.
3012 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3013 (c_apply_type_quals_to_decl): New function.
3014 (c_build_qualified_type): New function.
3015 (c_build_type_variant): Define in terms of c_build_qualified_type.
3016 (flag_isoc9x): Declare.
3017 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3018 (common_type): Change to use TYPE_QUALS.
3019 (comptypes): Likewise.
3020 (convert_for_assignment): Likewise.
3021 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3022 * c-decl.c (flag_isoc9x): Define.
3023 (c_decode_option): Handle -flang-isoc9x.
3024 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3025 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3026 * c-lex.c (init_lex): Deal with restrict.
3027 (init_lex): Don't treat restrict as a reserved word in
3028 -traditional mode, or without -flang-isoc9x.
3029 * c-lex.h (rid): Add RID_RESTRICT.
3030 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3031 equivalent to RID_RESTRICT.
3032 * c-parse.in (TYPE_QUAL): Update comment.
3033 * c-common.c: Include rtl.h.
3034 (c_find_base_decl): New function.
3035 (c_build_type_variant): Rename, and modify, to become ...
3036 (c_build_qualified_type): New function.
3037 (c_apply_type_quals_to_decl): Likewise.
3038 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3039 a particular alias set for the reference.
3040 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3042 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3044 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3045 command line switches.
3047 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3049 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3052 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3054 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3056 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3058 * regclass.c (fix_register): Add error message.
3059 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3062 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3064 * c-decl.c (warn_missing_noreturn): New global variable.
3065 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3066 (finish_function): Implement missing noreturn warning.
3068 * c-tree.h (warn_missing_noreturn): Declare extern.
3070 * invoke.texi: Document new flags.
3072 * toplev.c (documented_lang_options): Add description.
3074 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3076 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3077 loop optimization stable for the C4x.
3078 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3079 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3080 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3082 (c4x_address_conflict): Be more paranoid when packing a volatile
3083 memref in a parallel load/store.
3085 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3087 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3088 repeat_block_filler): Deleted.
3089 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3090 Condition code not set if destination register from 'c' class.
3091 (*subbqi3_carry_clobber): Fix typo.
3093 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3095 * reorg.c (steal_delay_list_from_target) Check for insns that
3096 modify the condition codes and effect the direction of the jump
3099 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3101 * function.c (purge_addressof_1): Replace call to
3102 emit_insns_before() with emit_insn_before().
3104 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3106 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3108 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3110 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3112 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3114 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3115 clobbered across calls.
3117 * loop.c (scan_loop): Be more selective about what invariants are
3118 moved out of a loop.
3120 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3122 * version.c: Bump for snapshot.
3124 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3126 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3127 static eh_context structure.
3129 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3131 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3133 (try_combine): Don't update max_scratch.
3134 * flow.c (max_scratch, num_scratch): Delete variables.
3135 (life_analysis_1): Don't initialize max_scratch.
3136 (propagate_block): Don't update max_scratch.
3137 (mark_set_1): Don't increment num_scratch.
3138 * regs.h (max_scratch): Delete declaration.
3140 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3142 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3143 is nonzero. This is temporary!
3145 * sched.c (update_flow_info): Handle death notes made invalid by
3146 instruction splitting. Partially reverts Oct 15, 1998 patch.
3147 * haifa-sched.c (update_flow_info): Likewise.
3149 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3151 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3152 if it has a nonzero DECL_INITIAL.
3154 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3156 * Makefile.in (flow.o): Depend on recog.h.
3158 * cpplib.h (directive_table): Add missing initializiers.
3159 (finclude): Change type of variable `bsize' to size_t.
3161 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3163 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3165 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3166 `int' when comparing against one.
3167 (cpp_file_line_for_message): Mark parameter `pfile' with
3169 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3171 * flow.c: Include recog.h.
3172 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3174 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3175 `f' with ATTRIBUTE_UNUSED.
3176 (reposition_prologue_and_epilogue_notes): Likewise.
3178 * genopinit.c (gen_insn): Cast argument of ctype functions to
3181 * haifa-sched.c: Include recog.h.
3182 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3183 comparing against one.
3185 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3187 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3189 (parse_ent): Likewise.
3190 (parse_input): Likewise.
3192 * optabs.c (init_libfuncs): Likewise.
3194 * protoize.c (find_rightmost_formals_list): Likewise.
3196 * recog.h (const_double_operand): Fix typo in prototype.
3198 * tlink.c (scan_linker_output): Cast the argument of ctype
3199 function to `unsigned char'.
3201 * toplev.c (check_lang_option): Cast the result of `strlen' to
3202 `int' when comparing against one.
3204 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3206 * gcse.c (dump_cuid_table): Correct typo.
3208 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3210 * toplev.c (display_help): Prepend '-m' to target specific
3212 (check_lang_option): Ignore text after end of first word of a
3213 language specific option.
3215 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3217 * reload1.c (reg_used_by_pseudo): New static variable.
3218 (choose_reload_regs): Initialize it.
3219 Use it instead of testing spill_reg_order to determine whether a
3220 pseudo is live in a hard register across the current insn.
3221 Fix a typo in a reference to reload_reg_rtx.
3223 * flow.c (propagate_block): Replace code that computes and uses
3224 regs_sometimes_live with simpler code that just walks the set of
3225 currently live registers.
3227 * Makefile.in (insn-extract.o): Fix dependencies.
3228 * genextract.c (main): Generate includes for insn-config.h and
3230 Delete generation of declarations which are now in recog.h.
3231 * genrecog.c (main): Delete generation of definitions which are
3233 * local-alloc.c (block_alloc): Use extract_insn and the variables
3234 it sets up instead of looking up values by insn_code.
3235 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3236 recog_dup_num): Define here instead of generating the definition in
3238 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3239 recog_operand_mode, recog_constraints, recog_operand_address_p):
3241 (extract_insn): New function.
3242 * recog.h (extract_insn): Declare function.
3243 (which_alternative, recog_n_operands, recog_n_dups,
3244 recog_n_alternatives, recog_operand_mode, recog_constraints,
3245 recog_operand_address_p): Declare variables.
3246 * regclass.c (n_occurrences): New static function.
3247 * reload.c (n_occurrences): Delete function.
3248 (find_reloads): Use extract_insn.
3249 * reload.h (n_occurrences): Delete declaration.
3251 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3253 * reload1.c (reload_as_needed): Fix test for when to call
3254 update_eliminable_offsets.
3256 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3258 Fix consistency problems with reg_equiv_{mem,address};
3259 Improve reload inheritance;
3261 * reload.c (reload_out_reg): New variable.
3262 (loc_mentioned_in_p, remove_address_replacements): New functions.
3263 (remove_replacements): Deleted.
3264 (push_reload): Set reload_out_reg[i].
3265 When merging, also set reload_{in,out}_reg[i], and remove
3266 duplicate address reloads.
3267 (combine_reloads): Copy reload_out_reg[i].
3268 (find_reloads): Do make_memloc substitution also when
3269 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3271 Include *recog_operand_loc in commutativity operand changes.
3272 Generate optional output reloads.
3273 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3274 processing operands. Call make_memloc in reg_equiv_address code.
3275 Set *recog_operand_loc only after processing operands, and only
3276 if replace is true. Return a value.
3277 When changing address reload types for operands that didn't get
3278 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3279 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3280 Don't emit USEs for pseudo SUBREGs when not replacing.
3281 (find_reloads_address): Do make_memloc substitution also when
3282 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3284 (find_reloads_toplev): Likewise.
3285 Call make_memloc in reg_equiv_address code.
3286 (debug_reload_to_stream): Add code to output reload_out_reg.
3287 (make_memloc): Delete local variable i, ifdefed out code, and
3288 references to memlocs and n_memlocs.
3289 (memlocs, n_memlocs): Delete.
3290 (push_secondary_reload): Clear reload_out_reg.
3291 (find_reloads_address_1): Provide memrefloc argument to all calls
3292 to find_reloads_address.
3293 In AUTO_INC code, handle non-directly addressable equivalences properly.
3294 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3295 (find_reloads): Add return type.
3296 (remove_address_replacements, deallocate_reload_reg): Declare.
3297 * reload1.c (num_not_at_initial_offset): No longer static.
3298 (delete_address_reloads, delete_address_reloads_1): Likewise.
3299 (deallocate_reload_reg): New function.
3300 (spill_reg_stored_to): New array.
3301 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3302 (eliminate_regs_in_insn): Move assignments of previous_offset and
3303 max_offset fields, and recalculation of num_not_at_initial_offset
3304 into new static function:
3305 (update_eliminable_offsets) .
3306 (reload_as_needed): Call update_eliminable_offsetss after calling
3308 Call forget_old_reloads_1 with contents of reloaded auto_inc
3309 expressions if the actual addressing can't be changed to match the
3311 (choose_reload_regs): For inheritance, replace
3312 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3313 remove stand-alone reload_reg_used_at_all test.
3314 Use reload_out_reg to determine which reload regs have output reloads.
3315 Treat reload_override_in more similar to inherited reloads.
3316 Handle (subreg (reg... for inheritance.
3317 For flag_expensive_optimizations, add an extra pass to remove
3318 unnecessary reloads from known working inheritance.
3319 Delete obsolete code for pseudos replaced with MEMs.
3320 Handle inheritance from auto_inc expressions.
3321 (emit_reload_insns): If reload_in is a MEM, set OLD to
3323 Don't reload directly from oldequiv; if it's a pseudo with a
3324 stack slot, use reload_in[j].
3325 Check that reload_in_reg[j] is a MEM before replacing reload_in
3326 from reg_reloaded_contents.
3327 Include non-spill registers in reload inheritance processing.
3328 Also try to use reload_out_reg to set spill_reg_store /
3329 reg_last_reload_reg.
3330 In code to set new_spill_reg_store, use single_set to find out if
3331 there is a single set.
3332 Add code that allows to delete optional output reloads.
3333 Add code to allow deletion of output reloads that use no spill reg.
3334 At the end, set reload_override_in to oldequiv.
3335 Also call delete_output_reload if reload_out_reg is equal to old
3337 Add code to call delete_output_reload for stores with no matching load.
3338 Set / use spill_reg_stored_to.
3339 Handle case where secondary output reload uses a temporary, but
3340 actual store isn't found.
3341 When looking for a store of a value not loaded in order to call
3342 delete_output_reload, count_occurences should return 0 for no
3343 loads; but discount inherited input reloadill_reg_stored_to.
3344 Do checks for extra uses of REG. Changed all
3346 Use delete_address_reloads.
3347 (reload): Take return value of find_reloads into account.
3348 If a no-op set needs more than one reload, delete it.
3349 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3350 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3351 for the same operand.
3352 (clear_reload_reg_in_use): Check for other reloads that keep a
3354 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3355 RELOAD_FOR_OPADDR_ADDR.
3356 Take into account when an address address reload is only needed
3357 for the address reload we are considering.
3358 (count_occurrences): Use rtx_equal_p for MEMs.
3359 (inc_for_reload): Return instruction that stores into RELOADREG.
3360 New argument two, IN, and rtx. Changed all callers.
3361 (calculate_needs_all_insns, reload_as_needed):
3362 Don't clear after_call for a CLOBBER.
3363 Keep track of how many hard registers need to be copied from
3364 after_call, and don't clear after_call before we have seen
3365 that much copies, or we see a different instruction.
3367 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3369 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3370 after reload has completed.
3372 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3374 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3375 a macro name and the next token with a single blank if that whitespace
3376 is in a macro buffer and the next token is not '('.
3378 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3380 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3382 (skip_if_group): Ditto.
3383 (skip_to_end_of_comment): Ditto.
3385 (discard_comments): Ditto.
3386 (change_newlines): Ditto.
3388 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3390 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3392 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3394 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3395 (TARGET_OPTIONS): Add --help documentation.
3397 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3399 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3401 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3403 * fixinc/* Moved in from ../contrib directory in preparation
3404 for integrating it into the normal build process. In particular,
3405 fixinc/Makefile.in must be config-ed into the build directory
3406 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3407 ./configure.in will be "in the mail" momentarily.
3409 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3411 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3412 accidently walk into the free list. Comment how that can happen.
3413 (invalidate): Fix indentation.
3415 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3416 Jeffrey A Law (law@cygnus.com)
3418 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3419 reload. Never perform rescans of the insn chain after reload.
3420 (propagate_block): Do not delete insn or create new autoinc addressing
3423 * jump.c (jump_optimize): Unconditionally use the code that was
3424 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3425 * reload1.c (reload): When reloading is finished, delete all
3426 REG_DEAD and REG_UNUSED notes.
3427 (emit_reload_insns): Delete all code that was conditional on
3428 PRESERVE_DEATH_INFO_REGNO_P.
3429 (no_longer_dead_regs): Delete variable.
3430 (reload_cse_delete_death_notes): Delete function.
3431 (reload_cse_no_longer_dead): Delete function.
3432 (reload_cse_regs_1): Delete all code to handle deletion of death
3434 (reload_cse_noop_set_p): Likewise.
3435 (reload_cse_simplify_set): Likewise.
3436 (reload_cse_simplify_operands): Likewise.
3437 (reload_cse_move2add): Likewise.
3438 * reorg.c (used_spill_regs): Delete declaration.
3439 (max_label_num_after_reload): Delete declaration.
3440 (find_dead_or_set_registers): Don't assume that spill regs are
3441 dead at a CODE_LABEL.
3442 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3444 * sched.c (sched_analyze_insn): Likewise.
3445 (update_flow_info): Likewise.
3446 * haifa-sched.c (sched_analyze_insn): Likewise.
3447 (update_flow_info): Likewise.
3448 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3449 * toplev.c (max_label_num_after_reload): Delete variable.
3450 (rest_of_compilation): Don't set max_label_num_after_reload.
3451 Call life_analysis after reload_cse_regs if optimizing.
3452 * config/gmicro/gmicro.h: Delete comment referring to
3453 PRESERVE_DEATH_INFO_REGNO_P.
3454 * config/i386/i386.h: Likewise.
3455 * config/m88k/m88k.h: Likewise.
3456 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3457 * config/sh/sh.h: Likewise.
3459 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3461 * loop.c (strength_reduce): Restore marking bct_p as
3463 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3464 HAVE_decrement_and_branch_on_count.
3465 (small_data_operand): Remove TARGET_ELF condition for marking
3466 parameters ATTRIBUTE_UNUSED.
3468 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3470 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3471 (SELECT_SECTION): Resync with svr4.h.
3473 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3475 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3478 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3480 * c-pragma.c (handle_pragma_token): Test for null tree before
3481 dereferencing TREE_CODE.
3483 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3485 * config/c4x/c4x.c: Convert to use GEN_INT.
3486 (c4x_parallel_process): Rework to handle new repeat loop structure.
3488 * config/c4x/c4x.md: Convert to use GEN_INT.
3489 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3490 (decrement_and_branch_on_count): Likewise.
3492 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3493 loop.c has the desired functionality.
3494 (rc_reg_operand): New prototype.
3496 * config/c4x/t-c4x: Can now build all front ends.
3498 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3500 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3502 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3504 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3505 * config/t-rtems: Do not install assert.h -- use newlib's.
3507 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3509 * combine.c (combine_instructions): When finished, call init_recog.
3510 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3512 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3514 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3516 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3518 * cppalloc.c (memory_full): Mark function prototype with
3521 * demangle.h (collect_exit): Likewise.
3523 * fix-header.c (v_fatal, fatal): Likewise.
3525 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3528 * gcov.c (print_usage): Likewise.
3530 * genattr.c (fatal, fancy_abort): Likewise.
3532 * genattrtab.c (fatal, fancy_abort): Likewise.
3534 * gencodes.c (fatal, fancy_abort): Likewise.
3536 * genconfig.c (fatal, fancy_abort): Likewise.
3538 * genemit.c (fatal, fancy_abort): Likewise.
3540 * genextract.c (fatal, fancy_abort): Likewise.
3542 * genflags.c (fatal, fancy_abort): Likewise.
3544 * genopinit.c (fatal, fancy_abort): Likewise.
3546 * genoutput.c (fatal, fancy_abort): Likewise.
3548 * genpeep.c (fatal, fancy_abort): Likewise.
3550 * genrecog.c (fatal, fancy_abort): Likewise.
3552 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3553 __sjpopnthrow, __throw): Likewise.
3555 * objc/objc-act.c (objc_fatal): Likewise.
3557 * protoize.c (usage, aux_info_corrupted,
3558 declare_source_confusing): Likewise.
3560 * rtl.c (dump_and_abort): Likewise.
3562 * rtl.h (sets_cc0_p): Likewise.
3564 * toplev.c (float_signal, pipe_closed): Likewise.
3566 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3568 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3569 when generating the decision tree for the general case.
3571 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3572 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3574 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3576 * Makefile.in (sched.o): Depend on recog.h.
3578 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3579 (unsigned) when comparing against one.
3580 (find_base_value): Likewise.
3581 (record_base_value): Cast variable `regno' to (unsigned) when
3582 comparing against one. Cast the result of REGNO() macro to
3583 (unsigned) when comparing against one.
3584 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3586 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3587 variable where an unsigned index is needed.
3589 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3590 before comparing against one.
3592 * collect2.c: Add prototypes for functions `error', `fatal' and
3593 `fatal_perror'. Make these functions take variable arguments
3594 instead of faking it with a fixed number of args.
3595 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3598 * combine.c (can_combine_p): Mark parameter `pred' with
3600 (find_split_point): Cast variable `src' to (unsigned
3601 HOST_WIDE_INT) when comparing against one.
3602 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3603 (simplify_logical): Likewise.
3604 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3605 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3606 HOST_WIDE_INT) in shift.
3607 (simplify_and_const_int): Cast result of INTVAL() macro to
3608 `unsigned HOST_WIDE_INT' when comparing against one.
3609 (merge_outer_ops): Cast variable const0 to `unsigned
3610 HOST_WIDE_INT' when comparing against the result of
3611 GET_MODE_MASK() macro.
3612 (simplify_comparison): Likewise for variable `c0'. Cast variable
3613 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3614 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3615 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3616 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3617 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3618 comparing against one.
3619 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3621 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3622 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3623 (output_block_move): Cast `sizeof' expression to (int) when
3624 comparing against one.
3625 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3627 (save_restore_insns): Cast `base_offset' to `long' to match format
3628 specifier in fprintf.
3630 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3631 to `enum machine_mode'.
3633 * flow.c (life_analysis_1): Remove unused variable `insn'.
3635 * gcc.c (translate_options): Move variables `j' and `k' into the
3636 scope in which they are used. Change their types to `size_t'.
3637 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3638 (read_specs): Likewise.
3639 (process_command): Cast `sizeof' to (int) when comparing against one.
3640 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3641 (handle_braces): Cast both sides of `==' expression to `long' to
3642 ensure sign matching.
3643 (main): Cast variable `i' to `int' when comparing against one.
3645 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3646 int to size_t. Cast variable `i' to size_t when comparing against
3649 * genattrtab.c (convert_set_attr_alternative): Remove unused
3650 parameter `insn_code'. All callers changed.
3651 (convert_set_attr): Likewise.
3653 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3654 size_t when comparing against one. Likewise for variable `len'.
3656 * global.c (global_alloc): Cast variable `max_regno' to size_t
3657 when comparing against one. Likewise for variable `max_allocno'.
3659 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3661 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3662 `set' with ATTRIBUTE_UNUSED.
3663 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3666 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3667 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3668 (get_condition): Cast variable `const_val' to `unsigned
3669 HOST_WIDE_INT' when comparing against one. Cast unsigned
3670 expression to HOST_WIDE_INT when comparing against one.
3671 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3672 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3673 `unsigned' when comparing against one.
3675 * protoize.c (is_id_char): Change type of parameter `ch' to
3677 (munge_compile_params): Cast argument of ctype macro to (const
3679 (process_aux_info_file): Cast variable `aux_info_size' to int when
3680 comparing against one.
3681 (forward_to_next_token_char): Cast argument of ctype macro to
3682 `const unsigned char'.
3683 (edit_formals_lists): Likewise.
3684 (find_rightmost_formals_list): Likewise.
3685 (add_local_decl): Likewise.
3686 (add_global_decls): Likewise.
3687 (edit_fn_definition): Likewise.
3688 (do_cleaning): Likewise.
3689 (scan_for_missed_items): Likewise.
3690 (edit_file): Cast variable `orig_size' to (int) when comparing
3692 (main): Cast argument of ctype macro to `const unsigned char'.
3694 * recog.c (const_int_operand): Mark parameter `mode' with
3697 * regclass.c (record_reg_classes): Change type of variable `c' to
3698 `unsigned char'. Cast `char' array index to `unsigned char'.
3700 * reload.c (push_secondary_reload): Cast argument to
3701 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3703 * reload1.c (calculate_needs): Cast `char' array index to
3705 (set_label_offsets): Change type of variable `i' to unsigned int.
3706 Cast result of XVECLEN() macro to unsigned when comparing against
3708 (mark_not_eliminable): Change type of variable `i' to unsigned.
3709 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3710 when comparing against one.
3711 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3712 comparing against one.
3713 (choose_reload_regs): Hide unused label `fail'.
3714 (reload_cse_simplify_operands): Cast `char' array index to
3716 (reload_combine_note_store): Mark parameter `set' with
3717 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3719 (reload_cse_move2add): Remove unused variable `src2'.
3721 * sched.c: Include recog.h.
3722 (sched_note_set): Remove unused parameter `b'. All callers
3724 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3725 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3726 when comparing against one.
3728 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3729 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3730 comparing against one.
3732 * unroll.c (precondition_loop_p): Remove unused parameter
3733 `loop_end'. All callers changed.
3735 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3737 * reload1.c (maybe_fix_stack_asms): New static function.
3740 * reload.h (compute_use_by_pseudos): Declare.
3742 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3743 (something_needs_reloads): Delete variable.
3744 (finish_spills): New function.
3745 (compute_use_by_pseudos): New function.
3747 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3748 Use the reload_insn_chain instead of walking the rtl directly.
3750 (reload): Allocate and free spilled_pseudos.
3751 Ensure that all calls of spill_hard_reg are followed by a call to
3753 Use the insns_need_reload list instead of something_needs_reloads
3754 to find out if reload_as_needed must be called.
3755 Clear unused_insn_chains at the end.
3757 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3759 Delete code to keep track of current basic block.
3760 Walk reload_insn_chain instead of the rtl structure. Build the
3761 insns_need_reload chain.
3762 Remember which insns need reloading/elimination by setting the
3763 appropriate fields in struct insn_chain, not by putting modes on the
3766 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3767 arg INSN. All callers changed.
3768 Delete declaration of struct needs.
3769 Don't set something_needs_reloads.
3770 Record insn needs in the CHAIN argument.
3772 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3774 (reload_as_needed): Lose FIRST arg. All callers changed.
3775 Walk the reload_insn_chain instead of the rtx structure.
3776 Delete code to keep track of current basic block.
3777 Rename one of the NEXT variables to OLD_NEXT.
3779 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3781 (choose_reload_regs): Likewise.
3783 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3786 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3787 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3788 (hard_regs_live, hard_regs_need_restore): Delete variables.
3789 (n_regs_saved): Now static.
3790 (referenced_regs, this_insn_sets): New variables.
3792 (setup_save_areas): Restructure the code a bit.
3794 (restore_referenced_regs): Delete function.
3795 (mark_referenced_regs): New function, similar to the old
3796 restore_referenced_regs, but mark registers in referenced_regs.
3798 (clear_reg_live): Delete function.
3799 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3800 Only mark registers in this_insn_sets.
3802 (save_call_clobbered_regs): Rework this function to walk the
3803 reload_insn_chain instead of using the list of instructions directly.
3804 Delete code to keep track of register lives, compute live regs on the
3805 fly from information in the chain.
3806 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3807 then walk the set it computes and call insert_restore as appropriate.
3809 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3811 Restructure the code a bit. Test hard_regs_saved instead of
3812 hard_regs_need_restore.
3813 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3814 args. All callers changed.
3815 Restructure the code a bit. Use TO_SAVE to determine which regs to
3816 save instead of more complicated test.
3817 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3819 Create a new insn_chain structure for the new insn and place it
3822 * rtl.texi: Update documentation to reflect that reload no longer
3823 puts modes on the insns.
3825 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3827 * function.c (purge_addressof_1): Force the first argument of a
3828 CALL insn to memory.
3830 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3832 * rtl.h: Delete duplicate prototypes. Add some missing
3834 * rtlanal.c: (for_each_rtx): Formatting tweak.
3836 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3838 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3839 to be compatible with TI compiler.
3841 * Makefile.in (USER_H): Add va-c4x.h to definition.
3843 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3845 * function.c (purge_addressof_1): Fix typo in inequality: do
3846 bitfield optimization for equal mode sizes.
3847 * expmed.c (store_bit_field): Don't take subregs of subregs in
3848 the movstrict case. Tidy a potential problem in the multi-word case.
3849 (extract_bit_field): Likewise.
3851 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3853 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3855 Compute max_uid_for_flow by calling get_max_uid after the scan.
3856 (find_basic_blocks_1): Don't emit NOPs here.
3858 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3860 * alias.c (base_alias_check): Accept new args for the modes of the
3861 two references. Use them to determine if an AND can overlap. Update
3863 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3864 to determine if an AND can overlap.
3866 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3868 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3869 check. Add comment to document problems with TARGET_SUN_FPA version
3871 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3873 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3875 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3877 * c-common.c (print_char_table): Add missing initializers.
3878 (scan_char_table): Likewise.
3879 (time_char_table): Likewise.
3881 * c-decl.c (c_decode_option): Mark parameter `argc' with
3883 (declare_parm_level): Mark parameter `definition_flag' with
3886 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3887 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3890 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3892 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3894 (expand_call): Cast result of MIN() to (unsigned int) when
3895 comparing against an unsigned value.
3897 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3899 (make_definition): Remove unused parameter `op'. All callers
3901 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3902 comparing against the result of pointer arithmetic.
3904 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3905 when comparing against one.
3907 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3908 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3910 (output_die): Move variable `i' into the scope in which it is
3911 used. Change its type to `unsigned'.
3912 (output_die): Cast the result of `strlen' to (int) when passing it
3913 to ASM_OUTPUT_ASCII().
3914 (output_pubnames): Likewise.
3915 (output_line_info): Likewise.
3917 * emit-rtl.c (global_rtl): Add missing initializers.
3919 * explow.c (promote_mode): Mark parameter `for_call' with
3922 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3923 `unsigned HOST_WIDE_INT' when comparing against one.
3924 (synth_mult): Change type of variable `cost' to int.
3925 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3927 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3928 when comparing against one.
3929 (get_inner_reference): Change variable `alignment' to unsigned.
3930 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3931 int) when comparing against one.
3932 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3934 * fold-const.c (div_and_round_double): Cast BASE to
3935 (HOST_WIDE_INT) when comparing against one.
3937 * gencheck.c: Include gansidecl.h.
3938 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3940 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3941 `tcode' with ATTRIBUTE_UNUSED.
3943 * real.c (edivm): Cast constant value to (unsigned long) in
3944 expression compared against an unsigned value.
3946 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3947 comparing against one.
3948 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3949 when comparing against one.
3951 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3952 (unsigned int) when comparing against one. Likewise for
3954 (smallest_mode_for_size): Likewise.
3955 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3956 (restore_storage_status): Likewise.
3958 * toplev.c (debug_args): Add missing initializer.
3959 (f_options): Spelling correction. Add missing initializers.
3960 (documented_lang_options): Likewise.
3961 (debug_end_source_file): Mark parameter `lineno' with
3964 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3965 `decl' and `type' with ATTRIBUTE_UNUSED.
3967 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3968 when comparing against one.
3969 (assemble_variable): Mark parameter `top_level' with
3971 (assemble_external_libcall): Mark parameter `fun' with
3973 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3976 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3978 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3979 Replace use of r5 with use of r19.
3981 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3983 * config/v850/v850.c (compute_register_save_size): Allow for the
3984 fact that helper functions save all registers, not just those used
3987 Replace constant 31 with macro LINK_POINTER_REGNUM.
3989 * config/v850/v850.md: Use 'indirect_operand' rather than
3990 'memory_operand' for bit test/set/clear patterns.
3992 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
3994 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
3995 * varasm.c (assemble_start_function et al): Don't call
3996 ASM_GLOBALIZE_LABEL for weak symbols.
3998 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4000 * cse.c (equiv_constant): Check for NULL return from
4001 gen_lowpart_if_possible().
4003 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4005 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4007 * collect2.c (main): Pass -EL/-EB through to the compiler.
4009 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4011 * expr.c (push_block): Handle targets where the stack grows
4012 to higher addresses, but args grow to lower addresses and
4013 ACCUMULATE_OUTGOING_ARGS is not defined.
4015 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4017 * config/v850/v850.c (print_operand): Extend meaning
4018 of 'c' operands to support .vtinherit.
4020 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4022 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4023 Added ATTRIBUTE_UNUSED to unused function arguments.
4024 (rc_reg_operand): New predicate.
4025 (c4x_rptb_insert): New function.
4026 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4027 (c4x_optimization_options): New function.
4029 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4030 (decrement_and_branch_on_count): New pattern.
4031 (rptb_top): Modified pattern to work with BCT optimization.
4033 * config/c4x/c4x.h (RC_REG): New register class.
4034 (rc_reg_operand): Define prototype.
4035 (IS_RC_REG): New macro.
4036 (IS_RC_OR_PSEUDO_REG): New macro.
4037 (IS_RC_OR_PSEUDO_REGNO): New macro.
4038 (OPTIMIZATION_OPTIONS): Define.
4040 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4042 * collect2.c (extract_init_priority): No priority is 65535.
4044 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4046 * Makefile.in (build_tooldir): new variable, same as old
4047 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4048 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4049 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4051 * configure.in (gxx_include_dir): set default based on unlibsubdir
4052 * Makefile.in (tooldir): ditto
4053 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4054 gxx_include_dir, includedir and tooldir
4055 (protoize.o, unprotoize.o): ditto
4057 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4059 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4061 * config/arm/thumb.c (thumb_override_options): Add warning about
4062 PIC code not being supported just yet.
4064 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4066 * flow.c: Update comment.
4067 (notice_stack_pointer_modification): New static function.
4068 (record_volatile_insns): Use it.
4069 (mark_regs_live_at_end): Mark the stack pointer as alive
4070 at the end of the function if current_function_sp_is_unchanging
4072 (life_analysis_1): Set current_function_sp_is_unchanging.
4073 * function.c: Define it.
4074 (init_function_start): Initialize it.
4075 * output.h: Declare it.
4076 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4077 the stack pointer as alive at the end of the function if
4078 current_function_sp_is_unchanging is set.
4079 * i386.c (ix86_epilogue): Optimize the restoring
4080 of the stack pointer.
4082 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4084 * version.c: Bump for snapshot.
4086 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4088 * c-pragma.c (handle_pragma_token): If passed a token instead
4089 of a tree, use that as the pack value.
4091 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4093 * flow.c (find_basic_blocks_1): Fix prototype.
4095 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4097 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4098 (struct tree_decl): New fields no_check_memory_usage.
4099 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4100 (init_attributes): Register it as a new attribute.
4101 (decl_attributes): Set flags on functions given that attribute.
4102 * c-decl.c (duplicate_decls): Merge new attribute.
4103 * expr.h (current_function_check_memory_usage): Declare new var.
4104 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4105 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4106 current_function_check_memory_usage.
4107 * function.h: Add field to struct function.
4108 * function.c (current_function_check_memory_usage): Define it.
4109 (push_function_context_to, pop_function_context_from): Save and
4111 (expand_function_start): Set it, based on global flag and function
4114 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4115 check non-automatic variables, to permit detection of writes to
4116 read-only locations in embedded systems without memory management.
4117 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4118 when emitting chkr_set_right_libfunc call, even if the argument is
4119 BLKmode or variable-sized; don't abort.
4121 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4122 symbols in Pmode, not VOIDmode.
4124 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4126 * cppexp.c: When forcing unsigned comparisons, cast both sides
4129 * cpphash.h: Move static declaration of hashtab[]...
4130 * cpphash.c: ...here.
4132 * cpplib.c: Cast difference of two pointers to size_t before
4133 comparing it to size_t. Cast signed to unsigned
4134 before comparing to size_t. (FIXME: struct argdata should use
4135 unsigned buffer sizes.)
4136 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4137 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4138 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4139 size_t before comparison.
4141 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4143 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4144 (find_basic_blocks_1): Similarly.
4145 * output.h (find_basic_blocks): Fix prototype.
4146 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4147 find_basic_blocks anymore.
4149 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4151 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4152 (sbitmap_free, sbitmap_vector_free): New macros.
4153 * output.h (rtl_dump_file): Declare.
4155 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4157 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4159 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4161 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4163 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4164 (divide): Remove unused variable `tmp'.
4165 (si_to_float): Cast numeric constant to (SItype) before comparing
4168 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4170 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4171 * gcc.c (add_preprocessor_option): Correct typo when allocating
4172 memory, sizeof() argument had one too many `*'.
4173 (add_assembler_option): Likewise.
4174 (add_linker_option): Likewise.
4175 * gcov.c (output_data): Likewise.
4176 * local-alloc.c (memref_used_between_p): Likewise.
4177 (update_equiv_regs): Likewise.
4178 * loop.c (strength_reduce): Likewise.
4179 * reg-stack.c (record_asm_reg_life): Likewise.
4180 (subst_asm_stack_reg): Likewise.
4181 * reorg.c (dbr_schedule): Likewise.
4183 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4185 * flow.c (life_analysis_1): Break out some functions.
4186 (find_basic_blocks_1): Likewise. Also move some variables out and
4188 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4189 new static var nonlocal_label_list with it.
4190 (active_eh_region, nested_eh_region, label_value_list,
4191 nonlocal_label_list): New static variables.
4192 (make_edges, delete_unreachable_blocks, delete_block): New static
4193 functions, broken out of find_basic_blocks_1.
4194 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4195 noop_move_p): New static functions, broken out of life_analysis_1.
4197 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4199 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4200 Take extra care for op0 now possibly being a subreg.
4201 (extract_bit_field): Likewise.
4202 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4203 the reg to memory if there is no equal sized integral mode.
4204 * stor-layout.c (int_mode_for_mode): New function.
4205 * machmode.h: Prototype it.
4207 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4209 * global.c (build_insn_chain): Verify no real insns exist past the
4210 end of the last basic block, then exit the loop.
4212 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4214 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4216 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4218 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4220 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4222 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4224 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4226 * flow.c (find_basic_blocks): Correctly determine when a call
4227 is within an exception region.
4229 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4231 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4233 * cpplib.h: Protect from multiple inclusions.
4234 * cpplib.c: Fix minor formatting problems.
4236 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4238 * jump.c (jump_optimize): Revert accidental patch.
4240 * Makefile.in (cpplib.o): Use unlibsubdir.
4242 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4244 * loop.c (get_condition): Allow combine when either compare is
4247 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4249 * version.c: Bump for snapshot.
4251 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4253 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4254 (init_lex): Initialize ridpointers[RID_BYREF].
4255 * c-lex.h (enum rid): Add RID_BYREF.
4256 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4257 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4258 (encode_type_qualifiers): Similarly
4259 * c-gperf.h: Rebuilt.
4261 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4263 * c-common.c (type_for_mode): Only return TItype nodes when
4264 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4265 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4266 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4267 (init_decl_processing): Only create TItype nodes when
4268 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4269 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4270 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4272 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4274 * stmt.c (n_occurrences): New static function.
4275 (expand_asm_operands): Verify that all constrains match in the
4276 number of alternatives.
4277 Verify that '+' or '=' are at the beginning of an output constraint.
4278 Don't allow '&' for input operands.
4279 Verify that '%' isn't written for the last operand.
4280 * reload.c (find_reloads): Abort if an asm is found with invalid
4281 constraints; all possible problems ought to be checked for earlier.
4283 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4285 * flags.h (flag_branch_on_count_reg): Always declare
4286 * toplev.c (flag_branch_on_count_reg): Likewise.
4287 * toplev.c: Fix typos.
4289 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4292 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4294 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4296 (find_basic_blocks_1): Add a nop to the end of a basic block when
4297 a trailing call insn does not have abnormal control flow.
4298 * gcse.c (pre_transpout): New variable.
4299 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4300 (compute_pre_transpout): Calculate it.
4301 (compute_pre_ppinout): Use it to eliminate impossible placements
4302 due to abnormal control flow through calls.
4303 (compute_pre_data): Call compute_pre_transpout.
4305 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4307 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4309 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4311 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4312 and matching define_insns): Tack on a `use' of the table label, so
4313 flow analysis will recognize a tablejump.
4315 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4317 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4318 always end basic blocks for abnormal edge reasons.
4320 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4322 * config/i386/i386.h: Remove definition of
4323 HANDLE_PRAGMA_PACK_PUSH_POP.
4325 * config/i386/go32.h: Add definition of
4326 HANDLE_PRAGMA_PACK_PUSH_POP.
4328 * config/i386/win32.h: Add definition of
4329 HANDLE_PRAGMA_PACK_PUSH_POP.
4331 * config/i386/cygwin32.h: Add definition of
4332 HANDLE_PRAGMA_PACK_PUSH_POP.
4334 * c-pragma.c (insert_pack_attributes): Do not insert
4335 attributes unless #pragma pack(push,<n>) is in effect.
4337 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4339 * expr.c (emit_group_store): Handle a PARALLEL destination.
4341 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4343 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4344 the new insns before the argument regs are loaded.
4346 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4348 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4349 (c-parse.gperf): Update comments describing invocation flags.
4350 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4352 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4354 * reload1.c (reload): Call free before clobbering the memory
4355 locations or constants pointers.
4357 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4359 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4360 for efficiency by checking whether we need to modify the current
4361 stack permission at all.
4362 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4363 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4364 __enable_execute_stack libcall here too if
4365 TRANSFER_FROM_TRAMPOLINE is defined.
4366 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4369 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4371 * Makefile.in (DRIVER_DEFINES): Remove last change.
4373 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4375 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4376 insns we're going to copy.
4377 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4379 * loop.c (count_one_set): Add prototype.
4381 * caller-save.c (restore_referenced_regs): Lose mode argument.
4382 (insert_save): Lose mode argument.
4383 (insert_restore): Lose mode argument.
4384 (insert_one_insn): Lose mode argument.
4385 (save_call_clobbered_regs): Lose mode argument.
4386 (setup_save_areas): Take no argument and return void. All callers
4388 Don't verify validity of memory addresses.
4389 * reload.h (setup_save_ares): Adjust prototype.
4390 (save_call_clobbered_regs): Likewise.
4391 * reload1.c (delete_caller_save_insns): New function.
4392 (caller_save_spill_class): Delete variable.
4393 (caller_save_group_size): Delete variable.
4394 (reload): Call setup_save_areas and save_call_clobbered_regs
4395 in the main loop, before calling calculate_needs_all_insns.
4396 Don't call save_call_clobbered_regs after the loop.
4397 Call delete_caller_save_insns at the end of an iteration if
4399 Delete code to manage caller_save_spill_class.
4400 Emit the final note before setting reload_first_uid.
4401 Simplify test that determines whether reload_as_needed gets run.
4402 (calculate_needs): Delete code to manage caller_save_spill_class.
4404 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4406 * collect2.c (main): Initialize ld_file_name.
4408 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4410 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4411 check for flag_function_sections.
4413 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4415 * cse.c (insert_regs): Fix bug in Sep 24 change.
4417 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4419 * flags.h (flag_dump_unnumbered): Declare.
4420 * toplev.c (flag_dump_unnumbered): Don't declare.
4421 * print-rtl.c (flags.h): Include.
4422 (print_rtl_single): Add return value.
4423 * rtl.h (print_rtl_single): Update declaration.
4424 * flow.c (flag_dump_unnumbered): Don't declare.
4425 (print_rtl_with_bb): Use return value of print_rtl_single.
4427 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4429 * loop.c (count_one_set): New static function, broken out of
4431 (count_loop_regs_set): Call it.
4432 * global.c (mark_reg_store): Handle clobbers here by not calling
4434 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4435 is in fact a clobber.
4436 * integrate.c (process_reg_param): New function, broken out of
4437 expand_inline_function.
4438 (expand_inline_function): Call it.
4441 * i386.md (addsidi3_1): Delete unused variable temp.
4442 (addsidi3_2): Likewise.
4443 (clstrstrsi): Delete unused variable addr1.
4445 * rtl.h: Don't declare any functions also declared in recog.h.
4447 * Makefile.in (stupid.o): Update dependencies.
4448 (global.o): Likewise.
4450 * global.c: Include reload.h
4451 (reg_becomes_live): New function.
4452 (reg_dies): New function.
4453 (build_insn_chain): New function.
4454 (global_alloc): Call build_insn_chain before calling reload.
4456 * reload.h (struct needs): New structure definition.
4457 (struct insn_chain): Likewise.
4458 (reload_insn_chain): Declare variable.
4459 (new_insn_chain): Declare function.
4462 * reload1.c (reload_startobj): New variable.
4463 (reload_insn_chain): New variable.
4464 (unused_insn_chains): New variable.
4465 (new_insn_chain): New function.
4466 (init_reload): Initialize reload_startobj, not reload_firstobj.
4467 (reload): Initialize reload_firstobj.
4468 Before returning, free everything on the reload_obstack.
4470 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4471 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4472 current_chain): New variables.
4473 (reg_where_born): Delete variable.
4474 (REG_WHERE_BORN): New macro.
4475 (find_clobbered_regs): New function.
4476 (stupid_life_analysis): Don't allocate/free reg_where_born.
4477 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4478 reg_where_dead_chain.
4479 Use REG_WHERE_BORN instead of reg_where_born.
4480 While processing the insns, build the reload_insn_chain with
4481 information about register lifetimes.
4482 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4483 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4485 Compute and information about birth and death of pseudo registers in
4486 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4487 Delete code to set elements of reg_where_born.
4489 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4491 * tree.def (GOTO_EXPR): Modified documentation.
4492 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4495 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4497 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4498 loop_final_value, loop_comparison_code): No longer static.
4499 (unroll_loop): Delete loop_start_value update.
4500 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4501 loop_final_value, loop_comparison_code): Extern.
4502 (loop_start_value): Delete extern.
4503 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4504 loop_comparison_value, loop_comparison_code): Delete.
4505 (loop_optimize): Remove initialization for deleted variables.
4506 (strength_reduce): Delete analyze_loop_iterations call. Only call
4507 insert_bct if flag_branch_count_on_reg set.
4508 (analyze_loop_iterations): Delete.
4509 (insert_bct): Remove iteration count calculation. Move checks for
4510 viable BCT optimization to here. Obtain iteration count from
4511 loop_iterations and correct for unrolling. Check for enough
4512 iteration to be beneficial. Comment out runtime iteration count
4514 (insert_bct): Print iteration count in dump file. Remove
4515 loop_var_mode and use word_mode directly.
4517 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4518 * rs6000.c (rs6000_override_options): Use it.
4519 (optimization_options): Enable use of flag_branch_on_count_reg.
4520 * rs6000.md (define_function_unit): Describe 604e.
4522 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4524 * loop.c (move_movables): Corrected threshold calculation for
4525 moved_once registers.
4527 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4529 * loop.c (combine_givs_p): Fix test for identical givs.
4531 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4533 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4534 call abort if the function is already defined.
4536 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4538 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4539 truncation is not a no-op.
4541 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4543 * version.c: Bump for snapshot.
4545 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4547 * version.c: Bump for snapshot.
4549 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4551 * expmed.c (expand_divmod): Don't widen for computing remainder
4552 if we seem to have a divmod pattern for needed mode.
4554 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4556 * cpplib.c (macroexpand): Correct off-by-one error in handling
4559 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4561 * combine.c (expand_field_assignment): Don't do bitwise operations
4562 on MODE_FLOAT; pun to MODE_INT if possible.
4564 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4565 scott snyder <snyder@d0sgif.fnal.gov>
4567 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4568 linker. Recognize mangled names in quotes.
4570 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4572 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4573 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4574 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4575 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4577 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4579 * function.c (purge_addressof_1): If trying to take a sub-word
4580 integral piece of a floating point mode, put it on the stack.
4582 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4584 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4586 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4588 * PROJECTS: Remove template friends.
4590 * collect2.c (sort_ids): Remove unused variable.
4592 * tm.texi (MATH_LIBRARY): Document.
4593 (NEED_MATH_LIBRARY): Remove.
4595 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4596 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4598 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4600 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4601 last_end to 0x7fffffff.
4603 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4605 * function.c (purge_addressof_1): Do not perform endianness
4606 corrections on bitpos, who we call will do it for us.
4608 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4610 * h8300.c (WORD_REG_USED): Fix typo.
4611 (initial_offset): Use WORD_REG_USED.
4613 * h8300.c (handle_pragma): Fix typo.
4615 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4617 * caller-save.c (insert_save_restore): Break this function up
4618 into new functions insert_restore, insert_save and insert_one_insn.
4619 All callers changed.
4620 (insert_restore): New function, mostly broken out of
4621 insert_save_restore.
4622 (insert_save): Likewise.
4623 (insert_one_insn): Likewise.
4624 (restore_referenced_regs): New argument BLOCK. All callers changed.
4625 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4626 in this function, do it in insert_one_insn instead.
4628 * reload1.c (reload): Break out some more pieces into separate
4630 (dump_needs): New function, broken out of reload.
4631 (set_initial_elim_offsets): Likewise.
4632 (init_elim_table): Likewise.
4633 (update_eliminables): Likewise.
4635 * global.c (global_alloc): Delete code to manage the scratch_list.
4636 * local-alloc.c (qty_scratch_rtx): Delete.
4637 (scratch_block): Delete.
4638 (scratch_list): Delete.
4639 (scratch_list_length): Delete.
4640 (scratch_index): Delete.
4641 (alloc_qty_for_scratch): Delete.
4642 (local-alloc): Update initialization of max_qty.
4643 Delete code to manage the scratch list.
4644 Delete code to allocate/initialize qty_scratch_rtx.
4645 (block_alloc): Don't allocate quantities for scratches.
4646 Delete code to manage the scratch list.
4647 * regs.h (scratch_list): Delete declaration.
4648 (scratch_block): Delete declaration.
4649 (scratch_list_length): Delete declaration.
4650 * reload1.c (reload): Delete code to manage the scratch list.
4651 (spill_hard_reg): Likewise.
4652 (mark_scratch_live): Delete.
4654 * recog.c (alter_subreg): Delete declaration.
4656 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4658 * Makefile.in (cccp.o): Fix typo in last patch.
4660 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4662 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4663 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4665 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4667 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4668 NULL_RTX as an argument.
4670 * Makefile.in (unlibsubdir): Define.
4671 (DRIVER_DEFINES): Use unlibsubdir.
4672 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4673 (stmp-fixinc): Similarly.
4675 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4677 * regmove.c (regmove_optimize): Add variable old_max_uid.
4678 At the end of the function, update basic_block_end.
4680 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4682 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4683 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4686 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4688 * config/arm/arm.c: Improve interworking support.
4690 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4692 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4693 copied from reload_out[r] .
4695 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4697 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4698 with more than three size ranges.
4700 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4702 * rtl.c (mode_name): Add a null string at the end of the array.
4703 (mode_wider_mode): Change type to unsigned char.
4704 (mode_mask_array): New variable.
4705 (init_rtl): Update for mode_wider_mode type change.
4707 * rtl.h (mode_wider_mode): Change type to unsigned char.
4708 (mode_mask_array): Declare.
4709 (GET_MODE_MASK): Use mode_mask_array.
4711 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4713 * calls.c (expand_call) : Encapsulate code into
4714 copy_blkmode_from_reg.
4715 * expr.c (copy_blkmode_from_reg): New function.
4716 * expr.h (copy_blkmode_from_reg): New function.
4717 * integrate.c (function_cannot_inline_p): We can inline
4719 (expand_inline_function): Use copy_blkmode_from_reg
4720 if needed. Avoid creating BLKmode REGs.
4721 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4724 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4726 * config/v850/v850.c: Add function prototypes.
4727 Add support for v850 special data areas.
4729 * config/v850/v850.h: Add support for v850 special data areas.
4731 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4732 HANDLE_PRAGMA_PACK_PUSH_POP.
4733 (push_alignment): New function: Cache an alignment requested
4734 by a #pragma pack(push,<n>).
4735 (pop_alignment): New function: Pop an alignment from the
4737 (insert_pack_attributes): New function: Generate __packed__
4738 and __aligned__ attributes for new decls whilst a #pragma pack
4740 (add_weak): New function: Cache a #pragma weak directive.
4741 (handle_pragma_token): Document calling conventions. Add
4742 support for #pragma pack(push,<n>) and #pragma pack (pop).
4744 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4745 are defined enable HANDLE_PRAGMA_PACK.
4746 Move 'struct weak_syms' here (from varasm.c).
4747 Add pragma states for push and pop pragmas.
4749 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4752 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4753 HANDLE_GENERIC_PRAGMAS.
4755 * varasm.c: Move definition of 'struct weak_syms' into
4757 (handle_pragma_weak): Deleted.
4759 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4761 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4763 * c-decl.c (start_function): Add invocation of
4764 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4766 * tm.texi: Remove description of non-existant macro
4767 SET_DEFAULT_SECTION_NAME.
4769 (HANDLE_SYSV_PRAGMA): Document.
4770 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4772 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4774 * config.sub: Recognize i[34567]86-pc-udk as new target.
4775 * configure.in: Likewise.
4776 * config/i386/t-udk: New file.
4777 * config/i386/udk.h: New file.
4779 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4781 * reorg.c (check_annul_list_true_false): Remove unused variables.
4782 (steal_delay_list_from_target): Add missing "used_annul" variable.
4783 (try_merge_delay_insns): Close out half formed comment.
4785 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4787 * cpplib.c (macroexpand): If arg->raw_before or
4788 arg->raw_after, remove any no-reexpansion escape at the
4789 beginning of the pasted token. Correct handling of whitespace
4790 markers and no-reexpand markers at the end if arg->raw_after.
4792 * toplev.c (documented_lang_options): Recognize -include,
4793 -imacros, -iwithprefix, -iwithprefixbefore.
4794 * cpplib.c (cpp_start_read): Process -imacros and -include
4795 switches at the same time and in command-line order, after
4796 initializing the dependency-output code. Emit properly nested
4797 #line directives for them. Emit a #line for the main file
4798 before processing these switches, and don't do it again
4801 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4803 * function.c (purge_addressof_1): Use bitfield manipulation
4804 routines to handle mem mode < reg mode.
4806 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4808 * reorg.c (try_merge_delay_insns): Account for resources referenced
4809 in each instruction in INSN's delay list before trying to eliminate
4810 useless instructions. Similarly when looking at a trial insn's delay
4813 * reorg.c (check_annul_list_true_false): New function.
4814 (steal_delay_list_from_{target,fallthrough}): Call it and also
4815 refine tests for when we may annul if already filled a slot.
4816 (fill_slots_from_thread): Likewise.
4817 (delete_from_delay_slot): Return newly-created thread.
4818 (try_merge_delay_isns): Use its new return value.
4820 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4822 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4823 used to compute a giv or as some other non-counting use.
4825 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4827 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4828 * local-alloc.c (find_free_reg): Use it.
4829 * global.c (find_reg): Likewise.
4830 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4832 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4833 * caller-save.c (init_caller_save): Use it.
4834 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4836 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4838 * configure.in: Add --enable-cpplib option which uses cpplib
4839 for cpp, but doesn't link cpplib into cc1. Make help text
4840 capitalization consistent.
4841 * configure: Rebuilt.
4843 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4845 * function.c (gen_mem_addressof): If the address REG is
4846 REG_USERVAR_P make the new REG be so also.
4847 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4848 in an attempt to clarify slightly.
4850 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4852 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4853 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4855 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4857 * toplev.c: Fix last patch.
4859 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4861 * loop.c (get_condition): Fix typo in May 9 change.
4863 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4865 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4867 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4869 * toplev.c (documented_lang_options): Spelling corrections.
4871 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4873 * configure.in: new flags --with-ld and --with-as, equivalent
4874 to setting LD and AS environment variables. Test whether
4875 specified arguments are GNU commands, and report them with
4876 checking messages. Use the specified AS for configure
4879 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4881 * gcc.c (find_a_file): when looking for `as' and `ld', return
4882 the DEFAULT program if it exists
4883 * collect2.c (main): use DEFAULT_LINKER if it exists
4885 * gcc.c (find_a_file): the test for existence of a full
4886 pathname was reversed
4888 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4890 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4891 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4893 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4895 * tree.h (TYPE_BINFO): Document.
4897 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4899 * i386-coff.h (dbxcoff.h): Added.
4901 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4903 * toplev.c: fix bad patch around flag_data_sections.
4905 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4907 * reload1.c (reload): Use reload_address_index_reg_class and
4908 reload_address_base_reg_class when setting
4909 caller_save_spill_class. (Patch generated by Jim Wilson:
4912 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4914 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4915 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4916 * expr.c (store_field): Add alias_set parameter. Set the
4917 MEM_ALIAS_SET accordingly, if the target is a MEM.
4918 (expand_assignment): Use it.
4919 (store_constructor_field): Pass 0.
4920 (expand_expr): Likewise.
4922 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4924 * flags.h: Add flag_data_sections.
4925 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4926 (compile_file): Error if flag_data_sections not supported.
4927 * varasm.c (assemble_variable): Handle flag_data_sections.
4928 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4929 * config/mips/elf.h: Likewise.
4930 * config/mips/elf64.h: Likewise.
4931 * invoke.texi: Describe -fdata-sections.
4933 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4935 * invoke.texi (-ffloat-store): Clarify that this option
4936 does not affect intermediate results -- only variables.
4938 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4940 * cpp.texi: Update for Fortran usage from Craig.
4942 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4944 * rs6000.c (function_arg_boundary): Revert accidental change on
4947 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4949 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4950 (output_mi_thunk): Declare.
4952 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4953 (output_function_profiler): Use r12 for temp, instead of r11 so
4954 that we preserve the static chain register.
4956 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4958 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4960 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4962 * sh.c (gen_shl_sext): Fix case 5.
4964 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4966 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4968 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4970 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4971 accessing variables until they are initialized via va_arg().
4973 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4975 * reload1.c (reload_combine): Initialize set before using.
4977 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4979 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4982 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4984 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4985 operand3 with mask before using it. Patch provided by Jim Wilson.
4987 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4989 * config/sparc/sparc.c (function_value): Perform the equivalent of
4990 PROMOTE_MODE for ARCH64.
4991 (eligible_for_epilogue_delay): Allow DImode operations in delay
4992 slot of a return for ARCH64.
4994 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4996 * sh.md (sqrtsf2): Fix mode of sqrt.
4998 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5000 * reload1.c (choose_reload_regs): Also try inheritance when
5001 reload_in is a stack slot of a pseudo, even if we already got a
5004 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5006 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5007 (reload_cse_regs): New function body: call reload_cse_regs_1,
5008 reload_combine, reload_cse_move2add.
5009 When doing expensive_optimizations, call reload_cse_regs_1 a
5010 second time after reload_cse_move2add.
5011 (reload_combine, reload_combine_note_store): New functions.
5012 (reload_combine_note_use): New function.
5013 (reload_cse_move2add, move2add_note_store): New functions.
5015 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5017 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5018 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5020 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5021 more than 3 such reloads.
5023 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5024 RELOAD_FOR_X_ADDR_ADDR reload.
5026 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5028 * expr.c (store_constructor): When initializing a field that is smaller
5029 than a word, at the start of a word, try to widen it to a full word.
5031 * cse.c (cse_insn): When we are about to change a register,
5032 remove any invalid references to it.
5034 (remove_invalid_subreg_refs): New function.
5035 (mention_regs): Special treatment for SUBREGs.
5036 (insert_regs): Don't strip SUBREG for call to mention_regs.
5037 Check if reg_tick needs to be bumped up before that call.
5038 (lookup_as_function): Try to match known word_mode constants when
5039 looking for a norrower constant.
5040 (canon_hash): Special treatment for SUBREGs.
5042 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5044 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5045 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5046 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5047 and offsets in actual stack trampoline code so they match the
5048 commentary and actually work.
5050 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5052 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5054 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5055 tmake_file. Set extra_parts to needed crt objects.
5056 * configure: Rebuilt.
5057 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5058 (TARGET_DEFAULT): Set if default is v9 or ultra.
5059 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5060 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5061 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5062 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5063 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5064 (TARGET_VERSION): Define.
5065 (MULTILIB_DEFAULT): Define.
5066 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5067 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5068 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5070 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5071 * config/sparc/sparc.c (sparc_override_options): If arch and
5072 pointer size disagree, emit diagnostic and fix it up. If
5073 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5074 V8PLUS in 64-bit mode.
5075 * config/sparc/t-linux64: New file.
5076 * config/sparc/t-sol2-64: New file.
5077 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5078 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5079 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5080 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5081 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5082 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5084 (STARTFILE_SPEC): Set approriately based upon those.
5085 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5086 disposition of DEFAULT_ARCH32_P.
5087 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5088 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5089 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5090 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5091 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5093 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5095 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5097 * rtl.h (init_virtual_regs): New function.
5098 * emit-rtl.c (init_virtual_regs): Define.
5099 (insn_emit): Use it.
5100 * integrate.c (save_for_inline_copying): Likewise.
5102 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5104 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5105 (enum reg_class): Add NONARG_LO_REGS support.
5106 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5107 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5108 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5109 completes. Re-enable HImode REG+OFFSET addresses.
5110 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5112 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5114 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5116 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5117 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5118 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5120 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5122 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5123 jumps as a single entity, taking into account the size of the
5126 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5128 * tree.def (SWITCH_EXPR): New tree node definition.
5130 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5132 * version.c: Bump for snapshot.
5134 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5136 * version.c: Bump for snapshot.
5138 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5140 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5143 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5145 * Revert this patch.
5146 * reload.c (find_reloads): Do not replace a pseudo with
5147 (MEM (reg_equiv_addr)) in the initializing insn for the
5150 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5152 * final.c (final_scan_insn): Disable tracking CC across branches.
5154 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5156 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5157 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5158 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5159 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5160 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5162 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5164 * toplev.c (rest_of_compilation): Skip compiling anything with
5165 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5167 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5169 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5170 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5171 use in_libcall_block.
5172 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5173 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5176 Mon Sep 21 14:02:23 1998
5178 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5179 typo in no-fancy-math-387 description.
5181 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5183 * version.c: Bump for snapshot.
5185 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5187 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5189 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5191 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5192 documented in install.texi.
5193 (TARGET_OPTIONS) Likewise.
5195 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5197 * version.c: Bump for snapshot.
5199 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5201 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5202 * cccp.c (main): Likewise.
5204 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5205 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5208 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5210 * Makefile.in (LIBS): Link in libiberty.a.
5211 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5213 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5215 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5216 it to update bb boundaries. Update caller.
5217 * function.c (reposition_prologue_and_epilogue_notes): Update
5218 bb boundaries wrt the moved note.
5220 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5222 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5224 * configure: Regenerate.
5226 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5228 * alpha.c (alpha_sr_alias_set): New variable.
5229 (override_options): Set it.
5230 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5231 (mode_mask_operand): Fix signed-unsigned comparision warning.
5232 (alpha_expand_block_move): Likewise.
5233 (print_operand): Likewise.
5234 (get_aligned_mem): Use change_address.
5235 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5236 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5237 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5238 (alpha_align_insns): Remade from old alphaev5_align_insns
5239 to handle multiple processors.
5240 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5241 * output.h (label_to_alignment): Prototype.
5243 * tree.c (new_alias_set): New function.
5244 * tree.h (new_alias_set): Declare it.
5245 * c-common.c (c_get_alias_set): Use it.
5247 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5249 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5250 to an ABS expr, convert an unsigned input to signed.
5252 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5254 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5256 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5258 * configure.in: Add support for c4x targets.
5259 * configure: Rebuilt.
5261 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5263 * combine.c (distribute_notes): If an insn is a cc0 user, only
5264 delete it if we can also delete the cc0 setter.
5266 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5268 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5269 (invert_truthvalue): Enable truthvalue inversion for
5270 floating-point operands if -ffast-math.
5272 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5274 * configure.in: Disable collect2 for nextstep. Instead use
5276 * configure: Rebuilt.
5277 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5278 (ENDFILE_SPEC): Define.
5279 (OBJECT_FORMAT_MACHO): Define.
5280 (EH_FRAME_SECTION_ASM_OP): Define.
5281 * crtstuff.c: Handle MACHO.
5283 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5285 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5287 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5289 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5290 (_fpadd_parts): Get sign right for 0.
5292 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5294 * ginclude/varargs.h: Add support for C4x target.
5295 * ginclude/stdargs.h: Likewise.
5297 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5299 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5300 (alpha_emit_set_long_const): Rewrite to be callable from reload
5302 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5303 * alpha.md (movdi): Likewise.
5305 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5307 * arm.c (add_constant): New parameter address_only, change caller.
5308 Set it non-zero if taking the address of an item in the pool.
5309 (arm_reorg): Handle cases where we need the address of an item in
5312 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5314 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5315 memory addresses that are not in standard canonical form.
5317 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5319 * README.C4X: New file with information about the c4x ports.
5320 * ginclude/va-c4x.h: New file for c4x varargs support.
5321 * config/c4x: New directory with c4x port files.
5323 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5325 * reload.c (find_reloads): Do not replace a pseudo with
5326 (MEM (reg_equiv_addr)) in the initializing insn for the
5329 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5331 * toplev.c (rest_of_compilation): Set bct_p on second call to
5333 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5335 (strength_reduce): Only call analyze_loop_iterations and
5336 insert_bct if bct_p set.
5337 (check_dbra_loop): Fix typo.
5338 (insert_bct): Use word_mode instead of SImode.
5339 (instrument_loop_bct): Likewise. Do not delete iteration count
5340 condition code generation insn. Initialize iteration count before
5342 * rtl.h (loop_optimize): Update prototype.
5344 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5345 not doubleword aligned.
5347 * rs6000.c (optimization_options): New function.
5348 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5349 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5350 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5351 first; cr1 can be used for FP record condition insns.
5353 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5355 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5358 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5361 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5363 (block_move_call): New function: Call a library routine to copy a
5365 (m32r_expand_block_move): New function: Expand a "movstrsi"
5366 pattern into a sequence of insns.
5367 (m32r_output_block_move): New function: Expand a
5368 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5369 (m32r_block_immediate_operand): New function: Return true if the
5370 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5372 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5374 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5376 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5378 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5380 * regmove.c (copy_src_to_dest): Check that modes match.
5382 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5384 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5386 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5388 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5389 narrower than FLOAT_REGS.
5391 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5393 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5395 * Makefile.in (old_gxx_include_dir): removed
5397 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5399 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5402 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5403 (sh_handle_pragma): Change function arguments to match new
5404 specification for HANDLE_PRAGMA.
5406 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5408 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5410 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5411 When generating output, initialize missing struct member to zero.
5413 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5415 * regmove.c (copy_src_to_dest): Don't copy if that requires
5416 (a) new register(s).
5418 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5420 * global.c (reg_allocno): Now static.
5421 * reload1.c (reg_allocno): Delete declaration.
5422 (order_regs_for_reload): Take no arguments. Don't treat regs
5423 allocated by global differently than those allocated by local-alloc.
5425 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5427 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5428 condition, fix format strings.
5429 (output_function_epilogue): Likewise.
5431 * m68k/m68k.c: Don't include <stdlib.h> directly.
5433 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5435 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5436 mem_first_set, mem_last_set; because 0 can be a CUID.
5437 (oprs_unchanged_p): Use new definition.
5438 (record_last_reg_set_info): Likewise.
5439 (record_last_mem_set_info): Likewise.
5440 (compute_hash_table): Likewise.
5442 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5444 * rs6000.c (output_epilogue): Handle Chill.
5446 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5447 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5449 * combine.c (make_extraction): If no mode is specified for
5450 an operand of insv, extv, or extzv, default it to word_mode.
5451 (simplify_comparison): Similarly.
5452 * expmed.c (store_bit_field): Similarly.
5453 (extract_bit_field): Similarly.
5454 * function.c (fixup_var_regs_1): Similarly.
5455 * recog.c (validate_replace_rtx_1): Similarly.
5456 * mips.md (extv, extzv, insv expanders): Default modes for most
5457 operands. Handle TARGET_64BIT.
5458 (movdi_uld, movdi_usd): New patterns.
5460 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5461 equivalent memory location unless we have been provided a scratch
5462 register. Similarly do not call find_replacement unless a
5463 scratch register has been provided.
5465 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5467 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5470 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5472 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5473 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5474 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5475 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5476 * c-decl.c (init_decl_processing): Update accordingly.
5477 * expr.c (expand_builtin): Likewise.
5479 * rtl.h (global_rtl): Add cfa entry.
5480 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5481 (LAST_VIRTUAL_REGISTER): Update.
5482 * emit-rtl.c (global_rtl): Add cfa entry.
5483 (init_emit): Initialize it.
5484 * function.c (cfa_offset): New.
5485 (instantiate_virtual_regs): Initialize it.
5486 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5487 (expand_function_end): Call expand_eh_return.
5488 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5490 * except.c (current_function_eh_stub_label): Kill.
5491 (current_function_eh_old_stub_label): Likwise; update all references.
5492 (expand_builtin_set_return_addr_reg): Kill.
5493 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5494 (expand_builtin_set_eh_regs): Kill.
5495 (eh_regs): Produce a third reg for the actual handler address.
5496 (eh_return_context, eh_return_stack_adjust): New.
5497 (eh_return_handler, eh_return_stub_label): New.
5498 (init_eh_for_function): Initialize them.
5499 (expand_builtin_eh_return, expand_eh_return): New.
5500 * except.h: Update prototypes.
5501 * flow.c (find_basic_blocks_1): Update references to the stub label.
5502 * function.h (struct function): Kill stub label elements.
5504 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5505 register number is one that would be in the previous window.
5506 Provide a dummy definition for non-windowed targets.
5507 (get_reg_addr): New function.
5508 (get_reg, put_reg, copy_reg): Use it.
5509 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5510 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5512 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5513 (alpha_init_expanders): Initialize it.
5514 (alpha_expand_epilogue): Use it.
5515 * alpha.h: Declare it.
5516 * alpha.md (eh_epilogue): New.
5518 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5519 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5521 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5523 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5526 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5528 * except.h (struct eh_entry): Add false_label field.
5529 (end_catch_handler): Add prototype.
5530 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5531 (start_catch_handler): When using old style exceptions, issue
5532 runtime typematch code before continuing with the handler.
5533 (end_catch_handler): New function, generates label after handler
5534 if needed by older style exceptions.
5535 (expand_start_all_catch): No need to check for new style exceptions.
5536 (output_exception_table_entry): Only output the first handler label
5537 for old style exceptions.
5538 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5539 mechanism into one function, if a runtime matcher is provided.
5541 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5543 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5545 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5547 * integrate.c (copy_decl_list): Fix typo.
5549 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5551 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5554 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5556 * version.c: Bump for snapshot.
5558 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5560 * version.c: Bump for snapshot.
5562 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5564 * version.c: Bump for snapshot.
5566 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5568 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5570 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5572 * configure.in: remove usage of `!' to negate the result of a
5573 command; some common shells do not support it
5575 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5577 * configure.in: in sparc9-sol2 config, use 'if test' not
5579 * configure: Rebuilt.
5581 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5583 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5584 (CPP_CPU_DEFAULT_SPEC): Likewise.
5585 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5586 for arch64 libfuncs.
5588 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5591 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5593 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5595 * collect2.c: Don't declare `sys_siglist' here.
5596 (my_strsignal): Prototype and define new function. Use it in
5597 place of `sys_siglist' hacks.
5599 * mips_tfile.c: Likewise.
5601 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5602 (GCC_NEED_DECLARATIONS): Likewise.
5604 * system.h (strsignal): Prototype it, if necessary.
5605 (sys_siglist): Declare it, if necessary.
5607 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5609 * loop.c (move_movables): While removing insn sequences, preserve
5610 the next pointer of the most recently deleted insn when we skip
5613 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5615 * objc/config-lang.in: Do not output the name of the selected
5616 thread file when building the front-end. The Makefile for the
5617 runtime library will do this.
5619 * objc/Make-lang.in: Do not build the runtime library or install
5620 the Objective C header files. The Makefile for the runtime
5621 library will do this.
5623 * objc/Makefile.in (all.indirect): Only build the front-end.
5624 (compiler): Rename to `frontend'.
5625 (obj-runtime): Remove target.
5626 (copy-headers): Likewise.
5627 (clean): No need to remove `libobjc.a' any longer.
5629 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5631 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5632 supported with -mcpu=xxx.
5634 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5636 * flow.c (mark_set_1): Recognize multi-register structure return
5637 values in CALL insns.
5638 (mark_used_regs): Likewise.
5639 (count_reg_sets_1): Likewise.
5640 (count_reg_references): Likewise.
5641 * rtlanal.c (note_stores): Likewise.
5642 (reg_overlap_mentioned_p): Likewise.
5643 * haifa-sched.c (check_live_1): Likewise.
5644 (update_live_1): Likewise.
5645 (sched_analyze_1): Likewise.
5646 (sched_note_set): Likewise.
5647 (birthing_insn_p): Likewise.
5648 (attach_deaths): Likewise.
5650 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5653 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5655 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5657 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5659 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5661 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5663 * configure.in: Add check for GAS subsection -1 support.
5664 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5665 * configure config.in: Rebuilt.
5666 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5667 SImode is subsection -1 works, else use DImode.
5668 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5669 subsection -1 works.
5670 * config/sparc/sparc.c (sparc_output_addr_vec,
5671 sparc_output_addr_diff_vec): Use them if defined.
5673 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5675 * tree.h (DECL_ORIGIN): New macro.
5676 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5677 (copy_decl_list): Use it.
5678 (integrate_parm_decls): Likewise.
5679 (integrate_decl_tree): Likewise.
5680 * dwarf2out.c (decl_ultimate_origin): Simplify.
5681 * dwarfout.c (decl_ultimate_origin): Likewise.
5682 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5683 (pushdecl): Likewise.
5685 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5687 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5689 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5691 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5693 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5695 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5696 empty or has a single entry.
5698 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5699 before calling reg_to_stack.
5701 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5703 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5704 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5706 * c-tree.h (warn_long_long): Declare it.
5708 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5710 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5711 initialized float-int union if the value is a NaN.
5713 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5715 * c-lex.c (real_yylex): Don't warn about long long constants if
5716 we're allowing long long
5718 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5720 * except.h (current_function_eh_stub_label): Declare.
5721 (current_function_eh_old_stub_label): Declare.
5722 * function.h (struct function): New members eh_stub_label and
5724 * except.c (current_function_eh_stub_label): New variable.
5725 (current_function_eh_old_stub_label): New variable.
5726 (init_eh_for_function): Clear them.
5727 (save_eh_status): Save them.
5728 (restore_eh_status): Restore them.
5729 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5730 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5731 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5732 make an edge from the block that contains it to the block starting
5733 with the label if this label is one of the eh stub labels.
5734 If eh stub labels exist, show they are reachable from the last block
5737 * reload1.c (reload): Break out several subroutines and make some
5739 (calculate_needs_all_insns): New function, broken out of reload.
5740 (calculate_needs): Likewise.
5741 (find_reload_regs): Likewise.
5742 (find_group): Likewise.
5743 (find_tworeg_group): Likewise.
5744 (something_needs_reloads): New global variable, formerly in reload.
5745 (something_needs_elimination): Likewise.
5746 (caller_save_spill_class): Likewise.
5747 (caller_save_group_size): Likewise.
5748 (max_needs): Likewise.
5749 (group_size): Likewise.
5750 (max_groups): Likewise.
5751 (max_nongroups): Likewise.
5752 (group_mode): Likewise.
5753 (max_needs_insn): Likewise.
5754 (max_groups_insn): Likewise.
5755 (max_nongroups_insn): Likewise.
5756 (failure): Likewise.
5758 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5760 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5762 * loop.c (load_mems): Copy rtx for output mem.
5764 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5766 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5767 mips1 or mips2 either.
5769 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5771 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5773 (pa_adjust_insn_length): Update to work with new marking scheme
5774 for jumps inside switch tables.
5775 * pa.md (switch_jump): Remove pattern.
5776 (jump): Handle jumps inside jump tables.
5778 * Makefile.in (profile.o): Depend on insn-config.h
5780 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5782 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5784 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5786 Add preliminary native sparcv9 Solaris support.
5787 * configure.in: Recognize sparv9-*-solaris2*
5788 * configure: rebuilt
5789 * config.sub: Recognize sparcv9 just like sparc64.
5790 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5791 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5792 32-bit and 64-bit Solaris systems.
5793 * config/sparc/t-sol2: Assemble those with cpp.
5794 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5795 (*TF*_LIBCALL): If ARCH64 use V9 names.
5796 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5798 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5800 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5801 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5803 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5805 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5806 to Pmode if CASE_VECTOR_MODE is something else.
5808 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5810 * prefix.c (update_path): Correctly handle cases where PATH is
5811 a substring of the builtin prefix, but specifies a different
5814 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5816 * expr.c: Corrected comment about what MOVE_RATIO does.
5817 * config/alpha/alpha.h: Ditto.
5818 * config/1750a/1750a.h: Ditto.
5819 * config/clipper/clipper.h: Ditto.
5820 * config/i386/i386.h: Ditto.
5822 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5824 * configure.in (m68k-next-nextstep3*): Use collect2.
5825 Similarly for x86 NeXT configurations.
5826 * configure: Rebuilt.
5828 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5830 * configure.in: Don't assume srcdir is .../gcc
5831 * configure: Rebuilt.
5833 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5835 * global.c: Update comments.
5836 (global_alloc): Assign allocation-numbers
5837 even for registers allocated by local_alloc in case
5838 they are later spilled and retry_global_alloc is called.
5839 (mark_reg_store, mark_reg_clobber,
5840 mark_reg_conflicts, mark_reg_death): Always record a
5841 conflict with a pseudo register even if it has been
5842 assigned to a hard register.
5843 (dump_conflicts): Don't list pseudo registers already assigned to
5844 a hard register as needing to be allocated, but do list their
5846 * local-alloc.c: Update comment.
5848 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5850 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5851 * configure: Rebuilt.
5853 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5855 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5857 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5858 for all targets that set -msoft-float.
5860 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5862 * toplev.c (print_switch_values): Make static to match prototype.
5864 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5866 * configure.in: If we are unable to find the "gnatbind" program,
5867 then do not configure the ada subdir.
5868 * configure: Rebuilt.
5870 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5872 * version.c: Bump for snapshot.
5874 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5876 * version.c: Bump for snapshot.
5878 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5880 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5881 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5883 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5885 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5887 * genextract.c: Have insn-extract.c include toplev.h.
5889 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5891 * toplev.c: Include expr.h.
5892 (really_sorry, fancy_abort): Remove prototypes.
5893 (set_target_switch): Add argument in prototype.
5894 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5895 (v_really_sorry): Likewise.
5896 (print_version, print_single_switch, print_switch_values): Make
5897 static and add prototype arguments.
5898 (decl_printable_name): Add prototype arguments.
5899 (lang_expand_expr_t): New typedef.
5900 (lang_expand_expr): Declare as a lang_expand_expr_t.
5901 (incomplete_decl_finalize_hook): Add prototype argument.
5902 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5903 (botch): Likewise for variable `s'.
5904 (rest_of_type_compilation): Mark variables `type' and `toplev'
5905 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5906 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5907 (display_help): Make variable `i' an `unsigned long'.
5908 (main): Remove unused parameter `envp'.
5909 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5910 Cast -1 when comparing it with a `size_t'.
5912 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5913 prototype with ATTRIBUTE_NORETURN.
5914 (fatal_insn_not_found, fatal_insn, really_sorry,
5915 push_float_handler, pop_float_handler): Add prototypes.
5916 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5917 (do_abort, botch): Add prototypes.
5919 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5921 * final.c (final): If a label is reached only from a single jump,
5922 call NOTICE_UPDATE_CC on the jump and its predecessor before
5923 emitting the insn after the label.
5925 * i386.h: Add AMD K6 support.
5926 Change TARGET_* macros to use table lookup.
5927 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5928 (ADJUST_COST): Change definition to call function in i386.c.
5929 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5930 * i386.c: Add AMD K6 support.
5931 Add constants for feature tests used by TARGET_* macros.
5932 (split_di): If before reload, call gen_lowpart and gen_highpart.
5933 (x86_adjust_cost): New function.
5934 (put_jump_code): New function.
5935 (print_operand): New codes 'D' and 'd'.
5936 * i386.md: New insn types. New insn attribute "memory".
5937 Redefine scheduling parameters to use new types and add AMD K6
5938 support. Explicitly set type of most insns.
5939 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5940 Pro and K6 prefer movl $1,reg to incl reg.
5941 (adddi3, subdi3): Set cc_status.
5942 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5943 to int; x86 can't have more than 2^31 DImode shifts per file.
5944 (setcc): Combine all setcc patterns. Allow writing memory.
5945 Combine all jump patterns using match_operator.
5946 (*bzero): Name pattern. Emit mutliple stos instructions when that
5947 is faster than rep stos.
5948 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5951 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5953 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5956 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5958 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5959 not whatever we're generating now.
5961 * alpha.c (set_frame_related_p, FRP): New.
5962 (alpha_expand_prologue): Mark frame related insns.
5963 (alpha_expand_epilogue): Likewise, but with a null FRP.
5964 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5965 * alpha.md (exception_receiver): New.
5966 * alpha/crtbegin.asm (.eh_frame): New beginning.
5967 (__do_frame_setup, __do_frame_takedown): New.
5968 * alpha/crtend.asm (.eh_frame): New ending.
5969 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5970 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5971 (ASM_FILE_START): Don't emit .file for dwarf2.
5973 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5974 * rtl.c (reg_note_name): Likewise.
5975 * rtl.texi (REG_NOTES): Likewise.
5976 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5979 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5981 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5982 * i386.md (movsf, movdf, movxf): Validate memory address returned
5983 from force_const_mem. Kill useless REG_EQUAL setting code.
5985 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5987 * m68k.md (zero_extendsidi2): Fix typo.
5989 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5991 * configure.in: Removed references to the removed file
5992 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
5993 * arm*-*-netbsd* and ns32k-*-netbsd*.
5994 * config/i386/xm-netbsd.h: Removed unnecessary file.
5995 * config/m68k/xm-netbsd.h: Likewise.
5996 * config/sparc/xm-netbsd.h: Likewise.
5997 * config/mips/xm-netbsd.h: Likewise.
5999 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6001 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6002 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6004 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6005 for exact section attributions.
6007 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6009 * i386/crtdll.h (CPP_PREDEFINES): Define.
6011 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6013 * m68k.md (5200 movqi): Do not allow byte sized memory references
6015 * m68k.c (output_move_qimode): Do not use byte sized operations on
6018 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6019 explicit rules for building. Similarly for alloca, vfprintf,
6020 choose-temp and mkstemp, getopt, getopt1, and obstack.
6021 (INCLUDES): Add $(srcdir)/../include.
6022 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6023 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6025 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6027 * gcc.c (do_spec_1): [case 'o'] Account for
6028 lang_specific_extra_outfiles.
6029 (main): Correctly clear all slots in outfiles for
6030 lang_specific_extra_outfiles. Set input_file_number before
6031 calling lang_specific_pre_link.
6033 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6035 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6037 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6039 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6041 (sparc_output_deferred_case_vectors): If no work to do, return.
6042 Fix thinko in Sept 1 change.
6044 1998-09-03 SL Baur <steve@altair.xemacs.org>
6046 * Makefile.in: add semicolon in BISON definition for portability.
6048 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6050 * config/nextstep.c (handle_pragma): Correct name of third
6053 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6055 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6056 * config/m32r/m32r.h: Make register 17 be fixed.
6057 * config/m32r/m32r.c: Use SImode for cc operations.
6059 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6061 * invoke.texi (Warning Options): Add -Wnon-template-friend
6064 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6066 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6068 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6070 * rs6000.md (movsf): Disable explicit secondary-reload-like
6071 functionality if TARGET_POWERPC64.
6072 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6075 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6077 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6078 and term.h from fixinc.wrap.
6080 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6082 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6083 safe to include both string.h and strings.h together.
6084 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6085 which headers to search for function declarations. Continue to
6086 prefer string.h over strings.h when both are not acceptable.
6088 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6090 * configure.in: Call GCC_HEADER_STRING.
6092 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6093 to include. Continue to prefer string.h over strings.h when both
6096 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6098 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6099 not assume top 32-bits of symbolic addresses are zero if
6102 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6104 * ginclude/va-alpha.h: Protect entire second portion of the
6105 file against double inclusion.
6107 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6109 Added support for the Boehm's garbage collector.
6110 * configure.in: Handle --enable-objc-gc.
6111 * configure: Rebuilt.
6112 * Makefile.in (CHECK_TARGETS): Add check-objc.
6113 (check-objc): New rule.
6114 * objc/Make-lang.in: Build a different Objective-C library that
6115 runs with the Boehm's collector.
6116 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6117 * objc/encoding.c: Correctly compute the size of compound types in
6118 the presence of bitfields. Skip the variable name of the type if
6119 any. Added support for long long.
6120 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6121 (_F_GCINVISIBLE): New mask.
6122 * objc/gc.c: New file. Compute the type memory mask associated with
6123 a class based on the runtime information.
6124 * objc/misc.c: Added the hooks that use the Boehm's collector
6125 allocation functions.
6126 * objc/objc-act.c (build_class_template): Generate a new class
6127 member (gc_object_type) to hold the class' type memory mask.
6128 (build_shared_structure_initializer): Initialize the new member to
6130 (encode_complete_bitfield): New function. Generate the new
6132 (encode_field_decl): Generate the new encoding only for the GNU
6134 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6136 (class_get_gc_object_type): New function to mark a pointer instance
6137 variable as a weak pointer.
6138 * objc/objc-features.texi: New file.
6139 * objc/objc.h (gc_object_type): New class member.
6140 * objc/objects.c (class_create_instance): Create a typed memory
6141 object when compiled with Boehm's collector support.
6142 * objc/sendmsg.c (__objc_init_install_dtable): Call
6143 __objc_send_initialize instead of setting the initialize flag.
6144 (__objc_send_initialize): Call __objc_generate_gc_type_description
6145 to generate the class type memory mask. Rewrite the code that
6146 sends the +initialize so that it is called only once (bug report
6147 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6148 * testsuite/objc: New testsuite for Objective-C type encoding.
6149 * testsuite/lib/objc-torture.exp: New file.
6150 * testsuite/lib/objc.exp: New file.
6152 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6154 * jump.c (jump_optimize): In if/then/else transformations, add
6155 another call to modified_between_p for the jump insn.
6157 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6159 * fix-header.c (symlink): Treat like readlink.
6161 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6163 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6166 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6168 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6169 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6170 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6172 * config/nextstep.c (handle_pragma): Take three arguments, as per
6173 the new HANDLE_PRAGMA macro specification.
6174 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6175 per the new HANDLE_PRAGMA macro specification.
6176 * config/i960/i960.c (process_pragma): Take three arguments, as
6177 per the new HANDLE_PRAGMA macro specification.
6179 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6181 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6182 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6183 if unknown pragmas are encountered.
6184 (handle_sysv_pragma): Interpret return code from
6185 handle_pragma_token (). Return success/failure indication rather
6186 than next unprocessed character.
6187 (pragma_getc): New function: retrieves characters from the
6188 input stream. Defined when HANDLE_PRAGMA is enabled.
6189 (pragma_ungetc): New function: replaces characters back into the
6190 input stream. Defined when HANDLE_PRAGMA is enabled.
6192 * c-pragma.c (handle_pragma_token): Return success/failure status
6195 * c-pragma.h: Change prototype of handle_pragma_token().
6197 * varasm.c: (handle_pragma_weak): Only create this function if
6198 HANDLE_PRAGMA_WEAK is defined.
6200 * c-common,c (decl_attributes): If defined call the expression
6201 contained within the INSERT_ATTRIBUTES macro before adding
6202 attributes to a decl.
6204 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6205 HANDLE_PRAGMA, which takes three arguments.
6206 (INSERT_ATTRIBUTES): Document this new macro.
6208 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6209 new INSERT_ATTRIBUTES macro.
6211 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6213 * config/sparc/sparc.md (movdf): Only generate special RTL for
6214 LABEL_REFs when PIC.
6215 (move_label_di): Remove
6216 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6217 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6218 references when PIC.
6219 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6220 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6221 output an .xword for all 64-bit cases.
6223 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6225 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6226 alignment, use FUNCTION_BOUNDARY instead.
6227 (sparc_output_deferred_case_vectors): Likewise.
6229 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6231 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6232 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6234 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6236 * alpha/va_list.h: New file.
6237 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6239 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6241 * NEWS: Add SCO Openserver and Unixware 7 notes.
6245 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6247 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6248 (record_constant_1): Handle RANGE_EXPR.
6250 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6252 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6253 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6254 and NOTE_INSN_RANGE_END specially.
6255 (reemit_notes): Likewise.
6257 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6259 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6260 (ultrasparc_sched_init): Remove unneeded &.
6262 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6264 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6265 for m68020-60, to prevent the use of fintrz.
6267 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6269 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6271 * Makefile.in: Likewise.
6272 * configure: Regenerated.
6274 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6276 * configure.in (gxx_include_dir): Changed to
6277 '${prefix}/include/g++'-${libstdcxx_interface}.
6278 * configure: Rebuilt.
6280 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6282 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6284 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6285 *sequences* *below* which scalar moves will be used.
6287 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6289 * collect2.c (mktemp): Delete unused declaration.
6291 * config/xm-netbsd.h: Remove unnecessary file.
6292 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6293 file anymore, it is not needed.
6295 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6297 * convert.c (convert_to_integer): Issue an error on conversions to
6300 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6302 * Makefile.in: Add lang_tree_files and gencheck.h.
6303 * configure.in: Generate them.
6304 * gencheck.c: Include gencheck.h.
6306 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6308 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6309 movdi_lo_sum_pic and movdi_high_pic and make visible.
6310 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6311 emit these when Pmode is not SImode.
6312 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6314 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6316 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6317 .linkonce directive after the first time.
6319 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6321 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6322 the clobbered operand overlaps with an input.
6323 (bne0_di): Similarly.
6325 * Makefile.in (INSTALL): Remove "--no-header" argument.
6327 * NEWS: Various updates.
6329 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6331 * config/sparc/sparc.c (arith_operand, const64_operand,
6332 const64_high_operand, arith_double_4096_operand): Mark mode as
6334 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6336 (sparc_emit_set_const64): Remove unused variable i.
6337 (sparc_splitdi_legitimate): Likewise for addr_part.
6338 (ultra_code_from_mask): Likewise for mask.
6339 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6340 reverse return values so it matches usage and comments.
6341 (ultra_flush_pipeline): Likewise.
6342 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6343 this_type, and allow loads and stores of differing FP modes as
6344 they do not create a conflict.
6345 (ultra_find_type): Initialize fpmode to SFmode, fix
6346 parenthesization thinkos in large conditional.
6347 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6348 Init free_slot_mask after ultra_cur_hist is reset, not before.
6349 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6350 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6351 use ultra_flush_pipeline instead, then re-init group pointer.
6352 Fix statement with no effect. If no progress made in, and no
6353 instructions scheduled at all, advance to new pipeline cycle else
6354 we get into an endless loop.
6355 (ultrasparc_adjust_cost): Remove previous arg.
6356 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6358 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6360 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6361 code. Use reg_overlap_mentioned_p to detect when source and
6362 destination overlap.
6363 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6365 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6367 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6368 COMPARISON_VAL, into invariant_p.
6370 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6372 * regmove.c (regclass_compatible_p): New function.
6373 (regmove_optimize): Use it.
6375 Use NREGS parameter insted of calling max_reg_num.
6377 (fixup_match_1): Don't use code = MINUS when later tieing with
6378 a hard register is likely.
6380 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6382 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6383 COMPARISON_VAL was normalized.
6385 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6387 * loop.c (check_dbra_loop): The loop ending comparison value
6388 must be an invariant or we can not reverse the loop.
6390 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6391 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6393 (load_mems_and_recount_loop_regs_set): Likewise.
6395 * i386.c (print_operand): Remove obsolete 'c' docs.
6397 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6399 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6400 * frame.c (init_object_mutex): New function.
6401 (init_object_mutex_once): Likewise.
6402 (find_fde): Call it.
6403 (__register_frame_info): Likewise.
6404 (__register_frame_info_table): Likewise.
6405 (__deregister_frame_info): Likewise.
6407 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6409 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6411 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6413 * loop.c (check_dbra_loop): Enable code for reversal
6414 of some loops without a known constant loop end.
6416 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6418 * haifa-sched.c (last_clock_var): New.
6419 (schedule_block): Initialize it.
6420 (schedule_insn): Use it to fill insn modes with issue information.
6422 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6423 Tag trapb and next insn with TImode.
6424 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6425 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6426 Invoke alphaev5_align_insns as appropriate.
6427 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6428 (MD_SCHED_VARIABLE_ISSUE): New.
6429 * alpha.md (attr type): Add multi.
6430 (define_asm_attributes): New.
6431 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6432 (arg_home): Likewise.
6433 (fnop, unop, realign): New.
6435 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6437 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6438 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6440 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6441 (rs6000-ibm-aix4.[12]*): Likewise.
6442 * configure: Regnerate.
6444 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6446 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6447 already contains the return address.
6449 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6451 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6452 word sized hunks when loading unaligned args into registers.
6454 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6455 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6457 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6459 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6461 * loop.c (check_dbra_loop): Add some code that would allow reversal
6462 of some loops without a known constant loop end if it were enabled.
6464 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6466 * mips.md (lshrsi3_internal2+2): Fix type-o.
6468 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6470 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6471 correctly with regards to stdio.h.
6473 * calls.c: Remove stdarg.h/varargs.h.
6476 * combine.c: Likewise.
6477 * cpperror.c: Likewise.
6478 * cpplib.c: Likewise.
6479 * cpplib.h: Likewise.
6480 * doprint.c: Likewise.
6481 * emit-rtl.c: Likewise.
6482 * final.c: Likewise.
6483 * fix-header.c: Likewise.
6485 * genattr.c: Likewise.
6486 * genattrtab.c: Likewise.
6487 * gencodes.c: Likewise.
6488 * genconfig.c: Likewise.
6489 * genemit.c: Likewise.
6490 * genextract.c: Likewise.
6491 * genflags.c: Likewise.
6492 * genopinit.c: Likewise.
6493 * genoutput.c: Likewise.
6494 * genpeep.c: Likewise.
6495 * genrecog.c: Likewise.
6496 * mips-tfile.c: Likewise.
6497 * prefix.c: Likewise.
6498 * protoize.c: Likewise.
6499 * regmove.c: Likewise.
6500 * toplev.c: Likewise.
6503 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6505 * config/sparc/sparc.c (sparc_override_options): If not
6506 TARGET_FPU, turn off TARGET_VIS.
6507 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6508 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6509 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6510 (movdi_insn_sp64): Add VIS fzero alternative.
6511 (clear_sf, clear_df): New VIS patterns.
6512 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6514 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6516 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6518 * loop.c (n_times_set, n_times_used, may_not_optimize,
6519 reg_single_usage): Convert to varrays. All uses changed.
6520 (insert_loop_mem): Return a value.
6521 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6522 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6525 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6528 * configure.in: Do not set thread_file to "irix" since no such
6531 * sparc.md (float abs/neg splits): Check reload_completed before
6532 calling alter_subreg.
6534 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6536 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6538 * config/sparc/sparc.h: Declare it.
6539 * config/sparc/sparc.md (float abs/neg splits): Use it.
6540 (all other splits): Handle SUBREGs properly where necessary.
6541 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6543 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6545 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6546 an insn on the unfilled_slots_list that has no delay slots.
6547 (fill_eager_delay_slots): Similarly.
6549 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6551 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6552 as an ordinary operand.
6554 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6556 * tree.c (valid_machine_attribute): Don't apply attributes to both
6559 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6561 * reload.c (operands_match_p): Handle rtvecs.
6563 * i386.c (legitimate_pic_address_disp_p): New.
6564 (legitimate_address_p): Use it.
6565 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6566 Handle constant pool symbols just like statics.
6567 (emit_pic_move): Use Pmode not SImode for clarity.
6568 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6569 [UNSPEC]: New, handling what we killed above.
6570 [PLUS]: Detect and abort on invalid symbol arithmetic.
6571 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6573 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6575 * alias.c: Include output.h.
6576 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6577 different if we're in a varargs function.
6578 * Makefile.in (alias.o): Depend on output.h
6580 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6582 * sh.h (GIV_SORT_CRITERION): Delete.
6584 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6586 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6587 * stupid.c (stupid_life_analysis): Ditto.
6588 * reload1.c (reload): Ditto.
6590 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6592 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6593 arith_double_4096_operand, arith_double_add_operand): New
6595 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6596 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6597 them to transform add/sub 4096 into add/sub -4096.
6599 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6601 * loop.c (scan_loop): Allocate some slop to handle pseudos
6602 generated by move_movables.
6603 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6606 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6608 * tree.def (DECL_RESULT): Correct documentation.
6610 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6612 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6613 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6614 conflicts will all RELOAD_FOR_OUTPUT reloads.
6616 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6617 loads the function result, substitute with a USE.
6619 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6621 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6622 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6623 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6624 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6625 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6626 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6628 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6629 'o' to 'm' for GPR variant constraints.
6631 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6633 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6635 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6637 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6638 when the source and destination overlap.
6640 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6641 clash with global type.
6643 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6645 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6647 * c-common.c (combine_strings): Also set TREE_READONLY.
6648 Change warn_write_strings to flag_const_strings.
6649 * c-decl.c, c-tree.h: Likewise.
6651 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6653 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6654 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6655 sequence, use SET/IOR instead so CSE can see it.
6656 * config/sparc/sparc.md (movhi_const64_special,
6657 movsi_const64_special): New patterns necessitated by that change.
6658 (movhi_high): Remove.
6659 (movhi_lo_sum): Change to match an IOR.
6660 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6661 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6662 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6663 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6664 registers are involved.
6665 (snesi_zero_extend split): Remove reload_completed test.
6666 (unnamed plus and minus zero_extend sidi splits): Add it.
6668 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6670 * extend.texi: Remove description of extension to explicit
6671 instantiation that is now endorsed by standard C++.
6673 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6675 * config/arc/arc.c (arc_initialize_pic): Remove.
6676 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6677 nothing on any platform and is invoked by no-one, it does not even
6678 appear in the documentation.
6679 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6680 * config/sparc/sparc.c (initialize_pic): Likewise.
6681 (find_addr_reg): Remove this as well, no longer referenced after
6684 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6686 * recog.c (validate_replace_rtx_group): New function.
6687 * recog.h (validate_replace_rtx_group): Declare it.
6688 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6689 the entire group of substitutions.
6691 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6693 * loop.c (load_mems): Fix initializers.
6695 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6697 * config/sparc/sparc.md (TFmode splits): Handle destination
6698 registers being referenced in the address correctly.
6700 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6701 TREE_UNSIGNED, when bitsize of type's mode is larger than
6702 HOST_BITS_PER_WIDE_INT.
6704 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6706 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6707 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6708 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6710 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6713 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6715 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6716 * h8300.h (TINY_DATA_NAME_P): Likewise.
6717 (STRIP_NAME_ENCODING): Handle '&'.
6719 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6720 register (it could be accessed via an outer SUBREG).
6721 (REG_OK_FOR_BASE_P): Likewwise.
6722 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6724 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6727 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6729 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6731 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6732 must be offsettable so the splits can be made.
6734 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6736 * config/i386/winnt.c: Include system.h, not stdio.h to get
6737 sys/param.h pulled in before rtl.h in case the system defines MIN
6740 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6742 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6744 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6746 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6748 * cpplib.c (cpp_define): Handle macros with parameters.
6750 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6752 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6753 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6754 and DImode 64-bit. Use llong for minimal-toc SFmode and
6755 SYMBOL_REF / LABEL_REF 64-bit.
6756 (output_function_profiler): Use llong for profiler label and ld to
6757 load 64-bit label address.
6759 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6761 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6764 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6766 * version.c: Bump for snapshot.
6768 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6770 * version.c: Bump for snapshot.
6772 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6774 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6776 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6778 * tm.texi (Misc): Fix typo "teh".
6780 * tm.texi (PIC): Fix typo "PPIC".
6782 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6783 effect when -O2 and higher.
6784 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6786 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6788 * regclass.c: Changed register set documentation to be consistent
6791 * final.c (final_start_function) Removed redundant test for
6794 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6796 * rtl.h (rtx_function): New type.
6797 (for_each_rtx): New function.
6798 * rtlanal.c (for_each_rtx): Define it.
6800 * recog.c (change_t): New type.
6801 (change_objects, change_old_codes, change_locs, change_olds):
6803 (changes): New variable.
6804 (validate_change): Dynamically allocate room for more changes, if
6805 necessary. Uses changes array instead of change_objects, etc.
6806 (apply_change_group): Use changes array instead of
6807 change_objects, etc.
6809 * loop.c (loop_mem_info): New type.
6810 (loop_mems): New variable.
6811 (loop_mems_idx): Likewise.
6812 (looop_mems_allocated): Likewise.
6813 (scan_loop): Remove nregs parameter.
6814 (next_insn_in_loop): New function.
6815 (load_mems_and_recount_loop_regs_set): Likewise.
6816 (load_mems): Likewise.
6817 (insert_loop_mem): Likewise.
6818 (replace_loop_mem): Likewise.
6819 (replace_label): Likewise.
6820 (INSN_IN_RANGE_P): New macro.
6821 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6822 (scan_loop): Remove nregs parameter, compute it after any new
6823 registers are created by load_mems. Use INSN_IN_RANGE_P and
6824 next_insn_in_loop rather than expanding them inline. Call
6825 load_mems to load memory into pseudos, if appropriate.
6826 (prescan_loop): Figure out whether or not there are jumps from the
6827 loop to targets other than the label immediately following the
6828 loop. Call insert_loop_mem to notice all the MEMs used in the
6829 loop, if it could be safe to pull MEMs into REGs for the duration
6831 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6833 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6835 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6837 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6839 * config/sparc/sparc.c (finalize_pic): Check for the correct
6840 nonlocal_goto_receiver UNSPEC number.
6841 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6842 making note of this dependency existing in sparc.c
6843 (negtf2_notv9 split): Give NEG SFmode.
6844 (negsf2): Fix insn output string.
6846 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6848 * c-common.c (decl_attributes): Issue an error if the argument
6849 to alias is not a string.
6851 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6853 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6854 pending memory flush list.
6856 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6858 (try_combine): Allow combining insns with REG_LIBCALL notes.
6860 * expr.c (emit_block_move): Do not call memcpy as a libcall
6861 instead build up a CALL_EXPR and call it like any other
6863 (clear_storage): Similarly for memset.
6865 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6868 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6871 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6872 and REG_LIVE_LENGTH as successful substitutions are made.
6874 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6876 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6877 statement after end of loop label.
6879 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6881 * config/sparc/sparc.c (ultra_types_avail): New variable.
6882 (ultra_build_types_avail): New function to record mask of insn
6883 types in ready list at this cycle.
6884 (ultrasparc_sched_reorder): Call it.
6885 (ultra_find_type): Use it to quicken the search. Also simplif
6886 dependency check, don't use rtx_equal_p because we know exactly
6887 what we are looking for.
6889 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6891 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6892 for architecture v4.
6894 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6896 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6898 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6899 movdf_const_intreg and helper splits): New patterns to move float
6900 constants into integer registers.
6901 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6904 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6907 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6909 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6911 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6912 a BASE_REGS register is needed as an intermediate when copying
6913 a symbolic value into any register class other than BASE_REGS.
6915 * expr.c (move_by_pieces): No longer static. Remove prototype.
6916 * rtl.h (move_by_pieces): Add extern prototype.
6917 * mips.c (expand_block_move): Handle aligned straight line copy by
6918 calling move_by_pieces.
6920 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6923 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6925 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6926 jumps out of the loop to be treated as part of the exit test.
6928 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6929 Jeff Law <law@cygnus.com>
6931 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6932 * cplus-dem.c: Delete.
6934 * Makefile.in (fold-const.o): depend on $(RTL_H).
6936 * fold-const.c: Include rtl.h to get the prototype for
6937 `set_identifier_local_value'.
6939 * loop.c (express_from_1): Remove unused variable `tmp'.
6940 (combine_givs): cast the first argument of bzero to char *.
6942 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6944 * c-decl.c (init_decl_processing): Remove unneeded &.
6946 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6948 * except.c (set_exception_lang_code, set_exception_version_code):
6949 Change parameter from `short' to `int' to avoid using a gcc
6952 * except.h (set_exception_lang_code, set_exception_version_code):
6953 Likewise for prototypes.
6955 * flow.c (count_reg_references): Remove unused variables `regno'
6958 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6960 * prefix.c (translate_name): Cast the result of `alloca'.
6962 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6964 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6966 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6968 (valid_dbcc_comparison_p): Mark mode argument as unused.
6969 (symbolic_operand): Likewise.
6970 (legitimize_pic_address): Likewise.
6971 (const_uint32_operand): Likewise.
6972 (const_sint32_operand): Likewise.
6973 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6974 schedule_insns and comment out rest of file.
6976 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6978 (output_move_[hq]imode): Likewise.
6980 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6982 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6983 * invoke.texi: Corresponding changes.
6985 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6987 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6989 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6991 * config/sparc/sparc.c (ultra_code_from_mask,
6992 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
6993 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
6994 ultrasparc_sched_init, ultrasparc_variable_issue,
6995 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
6996 functions to describe UltraSPARC pipeline exactly to Haifa.
6997 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
6998 as there is nothing the scheduler can do about it. Indicate that
6999 REG_DEP_OUTPUT's collide. Fixup formatting.
7000 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7001 divide costs on Ultra for DImode.
7002 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7004 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7005 ieuN and add call_no_delay_slot to type list.
7006 (cti function unit): New unit for branches on UltraSPARC.
7007 (subx/addx insns): Set type to misc.
7008 (sidi zero/sign extension insns on arch64): Set type to shift.
7009 (sign_extendhidi2_insn): Set type to sload.
7011 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7013 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7014 (output_epilog): Use if != 0 for offset.
7015 (rs6000_fatal_bad_address): Prepare for Intl.
7016 * rs6000.h (rs6000_fatal_bad_address): Declare.
7017 * rs6000.md (movsfcc, movdfcc): Use else if.
7018 (elf_high): Use {liu|lis}.
7019 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7020 (movsi): Use rs6000_fatal_bad_address.
7022 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7024 * reload.c (find_equiv_reg): Reject equivalences separated
7025 by a volatile instruction.
7027 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7029 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7031 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7033 * alpha.md (movsicc): Fix mode mismatch.
7035 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7037 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7039 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7041 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7043 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7044 write-only modifier from operand 1 constraint.
7046 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7048 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7049 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7051 (sparc_emit_set_const64): Likewise, also when computing trailing
7052 bits do not negate low_bits and make fast_int an int.
7054 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7056 * loop.c (add_label_notes): Do not ignore references to labels
7057 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7058 * gcse.c (add_label_notes): Similarly.
7060 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7062 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7063 (adddi_dishl32): Similarly.
7065 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7067 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7068 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7069 * cse.c (cse_basic_block): Add parens to shut up warnings.
7071 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7073 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7074 sparc_emit_set_const64_longway, const64_is_2insns,
7075 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7076 in 64-bit constant formation.
7077 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7078 rtl for addx not subx.
7079 (define_insn movdi_const64_special): Make available even when
7080 HOST_BITS_PER_WIDE_INT is not 64.
7081 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7082 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7083 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7084 instances of operand 1 inside a QI subreg.
7085 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7086 (one_cmpldi2_sp64): Fix output string.
7087 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7089 (unnamed arch64 ashift DI): Truncate shift count if greater than
7092 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7094 * expr.c (store_expr): Don't optimize away load-store pair
7095 when either source or destination have a side effect.
7097 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7099 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7100 operands of SET are incompatible.
7102 * alpha.md: Fix max and min patterns so modes of SET operands match.
7104 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7106 * configure.in: Avoid [[ by using test and changequote.
7107 * configure: Rebuild.
7109 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7111 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7113 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7114 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7115 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7116 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7117 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7118 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7119 Fix mismatching modes in SET operands.
7120 (conditional move patterns): Fix formatting.
7121 (unnamed subx arch64 pattern): Remove duplicate insn.
7123 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7125 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7126 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7127 (input_operand): Fixup test for what we accept for constant
7129 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7131 (safe_constDI): Remove.
7132 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7133 gen_safe_XOR64): New functions.
7134 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7135 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7137 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7138 available when HOST_BITS_PER_WIDE_INT is not 64.
7139 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7140 move before movdi_insn_sp64 pattern.
7141 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7142 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7143 symbolic_operand as predicate for second operand.
7144 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7145 expander): Give set VOIDmode.
7147 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7149 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7151 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7153 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7155 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7157 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7159 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7161 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7163 * install.texi: Various SCO OpenServer tweaks.
7165 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7167 * reload1.c (eliminate_regs_in_insn): Handle another case when
7168 eliminating the frame pointer to the hard frame pointer. Add
7169 missing ep->to_rtx check to one existing case.
7171 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7173 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7175 * tree.h: De-conditionalize init_priority code.
7177 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7178 * collect2.c (NM_FLAGS): Change from -p to -n.
7180 * configure.in: Turn on collect2 for mipstx39-elf.
7181 Handle use_collect2=no properly.
7183 * c-common.c: De-conditionalize init_priority code.
7184 * collect2.c (extract_init_priority, sort_ids): New fns.
7185 (main): Call sort_ids.
7186 Move sequence_number to file scope.
7188 * configure.in: Handle --enable-init-priority.
7189 * c-common.c (attrs): Add A_INIT_PRIORITY.
7190 (init_attributes, decl_attributes): Likewise.
7191 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7192 * tree.c (get_file_function_name_long): Split out...
7193 (get_file_function_name): ...from here.
7195 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7197 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7200 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7202 * toplev.c (display_help): Add braces to shut up warnings.
7203 * tree.c (simple_cst_equal): Likewise.
7205 * fold-const.c (non_lvalue): Don't deal with null pointer
7207 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7209 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7210 of any size to a pointer.
7212 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7214 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7216 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7218 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7219 which will be saved.
7220 * mn10300.md (prologue insn): Only save registers which need saving.
7221 (epilogue insn): Similarly.
7223 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7226 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7228 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7229 VAR_DECL's in gp addressable sections.
7231 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7233 * sparc.c: Change return <exp> to <exp>; return; in functions
7235 * sparc.md: Add empty semicolon statement after final label in
7238 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7240 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7241 addx_extend_sp64, only allow when TARGET_ARCH64.
7242 (define_insn addx_extend_sp32 and split): Version that works when
7244 (define_insn subx_extend): Likewise.
7245 (define_split adddi3 and subdi3 with zero extension): Fixup and
7246 correct bugs when not TARGET_ARCH64.
7248 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7250 * except.c (set_exception_lang_code, set_exception_version_code):
7251 Use prototype-style definition if __STDC__, to match declaration
7254 * genemit.c: Change FAIL and DONE macros not to use loops.
7256 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7258 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7259 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7261 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7263 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7265 * README.g77: Update from Craig.
7267 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7269 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7271 (safe_constDI sparc_emit_set_const64_quick1,
7272 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7273 analyze_64bit_constant, const64_is_2insns,
7274 create_simple_focus_bits): Fix some bugs when compiled on real
7276 (function_arg_record_value_3, function_arg_record_value_2,
7277 function_arg_record_value): Add fully prototyped forward decls.
7278 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7279 to cmpsi_insn and use on both 64 and 32 bit targets.
7280 (define_insn cmpsi_insn_sp64): Remove.
7281 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7282 (define_insn zero_extendsidi2_insn): Rename to
7283 zero_extendsidi2_insn_sp64.
7284 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7285 assosciated forced split for it.
7287 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7289 * config/sparc/sparc.h: Declare them.
7290 (PREDICATE_CODES): Add them.
7291 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7292 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7294 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7296 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7297 in v9 case as the latter makes the Solaris assembler crash.
7299 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7301 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7302 for TFmode when !v9. We require offsettable memory addresses.
7303 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7304 DFmode register number conversions.
7305 * config/sparc/sparc.md (define_split DFmode moves): If register
7306 is a SUBREG do alter_subreg on it before using.
7307 (define_expand movtf): Fixup comment about alignment on v9.
7308 (define_split TFmode moves): Don't use gen_{high,low}part, create
7309 explicit SUBREGs instead.
7311 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7313 * Makefile.in (mbchar.o): Depend on mbchar.c.
7315 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7316 Richard Henderson <rth@cygnus.com>
7318 Rewrite Sparc backend for better code generation and
7319 improved sparc64 support.
7320 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7322 * config/sparc/sysv4.h: Likewise.
7323 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7324 move_operand, v8plus_regcmp_op, emit_move_sequence,
7325 singlemove_string, doublemove_string, mem_aligned_8,
7326 output_move_double, output_move_quad, output_fp_move_double,
7327 move_quad_direction, output_fp_move_quad, output_scc_insn):
7329 (small_int_or_double): New predicate.
7330 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7331 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7332 old pic_{sethi,lo_sum}_si patterns.
7333 (mem_min_alignment): New generic function to replace
7334 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7335 available and can test for arbitrary alignments. All callers
7337 (save_regs, restore_regs, build_big_number,
7338 output_function_prologue, output_cbranch, output_return,
7339 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7340 sparc_flat_output_function_epilogue): Prettify
7342 (output_function_epilogue): Likewise and add code to output
7343 deferred case vectors.
7344 (output_v9branch): Likewise, add new arg INSN and use it to tack
7345 on branch prediction settings. All callers changed.
7346 (print_operand): Likewise and output %l44 for LO_SUMs when
7348 (sparc_splitdi_legitimate): New function to make sure DImode
7349 splits can be run properly when !arch64.
7350 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7351 Reformat example code in comments.
7352 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7353 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7354 of deferred case vectors we need to output.
7355 (sparc_defer_case_vector): Record a case vector.
7356 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7357 sparc_output_deferred_case_vectors): New functions to output them.
7358 (sparc_emit_set_const32): New function to form 32-bit constants in
7359 registers when that requires more than one instruction.
7360 (safe_constDI, sparc_emit_set_const64_quick1,
7361 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7362 analyze_64bit_constant, const64_is_2insns,
7363 create_simple_focus_bits, sparc_emit_set_const64): New functions
7364 which do the same for 64-bit constants when arch64.
7365 (sparc_emit_set_symbolic_const64): New function to emit address
7366 loading for all code models on v9.
7367 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7368 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7369 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7370 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7371 inaccuracies in comments, add symbolic and text_segment operands
7372 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7373 GENERAL_REGS in these cases as a temp REG is needed to load these
7374 addresses into a register properly.
7375 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7377 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7378 quads are guarenteed to have 16-byte alignment.
7379 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7380 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7381 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7382 deferred case vector implementation.
7383 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7384 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7385 Generate "internal label - label" instead of "label - 1b".
7386 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7387 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7388 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7390 (doublemove_string, output_block_move, output_fp_move_double,
7391 output_fp_move_quad, output_move_double, output_move_quad,
7392 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7393 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7394 (sparc_emit_set_const32, sparc_emit_set_const64,
7395 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7396 mem_min_alignment, small_int_or_double): Add externs.
7397 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7398 UNSPEC_VOLATILE in this backend.
7399 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7400 unary to types which execute in it.
7401 (define_function_unit ieu_shift): Rename to ieu0.
7402 (define_function_unit ieu1): New, executes compare, call, and
7403 uncond_branch type insns.
7404 (define_function_units for type fdivs, fdivd, fsqrt): These
7405 execute in the fpu multiply unit not the adder on UltraSparc.
7406 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7407 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7408 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7409 allows the arith_double_operand predicate and rHI constraint when
7411 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7412 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7413 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7414 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7415 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7416 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7417 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7418 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7419 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7420 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7421 sign_extendqihi2_insn, sign_extendqisi2_insn,
7422 sign_extendqidi2_insn, sign_extendhidi2_insn,
7423 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7424 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7425 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7426 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7427 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7428 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7429 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7430 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7431 smulsi3_highpart_v8plus, unnamed subreg mult,
7432 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7433 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7434 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7435 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7436 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7437 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7438 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7439 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7440 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7441 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7442 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7443 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7444 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7445 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7446 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7447 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7448 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7449 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7450 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7451 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7452 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7453 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7454 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7455 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7456 call_address_untyped_struct_value_sp32,
7457 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7458 call_value_symbolic_sp32, call_value_address_sp64,
7459 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7460 flush_register_windows, goto_handler_and_restore,
7461 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7462 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7463 return_addsi, return_di, return_adddi, return_sf, all call+jump
7464 peepholes, trap, unnamed trap insns): Prettify output strings.
7465 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7466 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7467 Likewise and force + implement splits for integer cases.
7468 (define_insn return_sf_no_fpu): Likewise and allow to match when
7469 no-fpu because of our subreg SFmode splits.
7470 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7471 zero_extendqidi2_insn, zero_extendhidi2_insn,
7472 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7473 input_operand for second operand.
7474 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7475 reg_or_0_operand for operand 2 so new splits can use it.
7476 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7477 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7479 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7480 CONST_DOUBLEs for operand 2.
7481 (define_insn move_label_di): Likewise and label distance
7482 optimization because it no longer works with new deferred case
7483 vector scheme. To be revisited.
7484 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7485 and allow reg_or_0_operand and J constraint for second operand.
7486 (define_insn jump): Set branch predict taken on V9.
7487 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7488 new deferred case vector scheme.
7489 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7490 (define_insn negdi2_sp32): Force + implement splits.
7491 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7492 one_cmplsi2_not_liveg0 respectively, and create expander of original
7493 names which emit special rtl for TARGET_LIVE_G0.
7494 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7495 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7496 gen_compare_reg, FAIL instead.
7497 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7498 values when trying to reverse condition codes, if they FAIL then
7500 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7501 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7502 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7503 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7504 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7505 set output string to # to indicate they are mandatory splits.
7506 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7507 pic_sethi_di, move_pic_label_si): Remove.
7508 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7509 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7511 (define_expand movsi_pic_label_ref, define_insn
7512 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7513 expander and insns to handle PIC label references and deferred
7515 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7517 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7518 Rewrite to not use emit_move_sequence, make use of new constant
7519 formation code, and new splits for all multi-insn cases.
7520 (define_insn movqi_insn): Remove sethi case, it can never happen.
7521 Use reg_or_zero_operand instead of const0_rtx explicit test,
7522 use input_operand instead of move_operand for source, and use
7523 general_operand now for dest.
7524 (define_insn movhi_insn): Similar but leave sethi case.
7525 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7526 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7527 movhi_lo_sum respectively, prettify output string.
7528 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7529 register when needed on TARGET_LIVE_G0.
7530 (define_insn movsi_insn): Use general_operand and input_operand
7531 for dest and src respectively. Simplify applicability test.
7532 Prettify output strings, and add clr alternative for J
7534 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7535 deprecated std and reg-reg DI moves): Remove and...
7536 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7537 implementation which uses forced splits for all non-single insn
7539 (define_split DI move cases on !arch64): New splits to handle all
7540 situations of 64-bit double register DImode on 32bit, and
7541 unaligned registers and memory addresses for all subtargets.
7542 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7544 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7545 input_operand for dest and src respectively, prettify output
7547 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7548 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7550 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7551 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7552 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7553 movtf_no_e_insn_sp64) Replace with new
7554 implementation which uses forced splits for all non-single insn
7556 (define_split DF move cases): New splits in similar vein to DI
7558 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7559 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7560 movdi_sp64_insn): Remove old v9 code model and constant loading
7562 (define_insn pic_lo_sum_di, pic_sethi_di,
7563 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7564 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7565 embmedany_sethi, embmedany_losum, embmedany_brsum,
7566 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7567 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7568 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7569 scheme, using unspecs, secondary reloads, and one to one sparc
7570 insn to rtl insn mapping for better scheduling and code gen.
7571 (define_expand reload_indi, reload_outdi): Reload helpers for
7572 MEDANY and EMBMEDANY symbol address loading cases which require a
7574 (define_expand movsicc): Remove v8plus_regcmp cases.
7575 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7576 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7577 cmp_diqi_trunc_set): New patterns used by some of the new scc
7579 (define_insn xordi3_sp64_dbl): New pattern used for constant
7580 formation when crossing from 32-bit targets.
7581 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7583 (define_insn addx, subx): Make visible and prettify.
7584 (define_insn adddi3_insn_sp32): Likewise and force split.
7585 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7586 64bit scc split usage.
7587 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7588 zero_extend, subdi3): Force and implement splits.
7590 * final.c (final_scan_insn): Don't output labels if target
7591 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7594 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7595 don't forget to walk inside SEQUENCESs too as these are what the
7596 delay slot scheduler will create.
7598 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7600 * alpha.md (extxl+1,+2): New patterns to work around
7603 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7605 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7606 caused bad assembly code to be generated.
7608 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7610 * netbsd.h: Fix typo.
7612 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7614 * config.sub: Fix typo.
7616 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7618 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7620 (Running Protoize): Typo: Change "ther" into "other".
7622 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7624 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7625 * m68k/netbsd.h: Likewise.
7626 * ns32k/netbsd.h: Likewise.
7627 * sparc/netbsd.h: Likewise.
7629 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7631 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7632 * ginclude/va-clipper.h (va_list): Likewise.
7634 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7636 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7637 load/store multiple instructions unless user overrides.
7639 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7641 * ns32k/netbsd.h: Fix typo.
7643 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7645 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7646 labels with .debugsym if no parallel insns.
7648 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7650 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7651 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7653 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7655 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7656 (AR_FOR_TARGET): Define.
7658 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7660 * dyn-string.h: New file.
7661 * dyn-string.c: Likewise.
7662 * Makefile.in (OBJS): Add dyn-string.o.
7663 (dwarf2out.o): Add dyn-string.h dependency.
7664 (dyn-string.o): List dependencies.
7665 * dwarf2out.c: Include dyn-string.h.
7666 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7667 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7668 prototype. Use dyn_string_append rather than strcat, throughout.
7669 (addr_to_string): Use dyn_string_t.
7671 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7673 Function entry/exit profiling instrumentation:
7674 * expr.h (profile_function_entry_libfunc,
7675 profile_function_exit_libfunc): Declare new variables.
7676 * optabs.c: Define them here.
7677 (init_optabs): Initialize them.
7678 * tree.h (struct tree_decl): New flag
7679 no_instrument_function_entry_exit.
7680 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7681 * c-decl.c (duplicate_decls): Merge it.
7682 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7683 (init_attributes): Use it for "no_instrument_function".
7684 (decl_attributes): Handle it, for functions that have not yet been
7685 compiled. Set decl flag.
7686 * flags.h (flag_instrument_function_entry_exit): Declare new
7688 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7689 (f_options): New option "instrument-functions".
7690 * function.h (struct function): New field instrument_entry_exit.
7691 * function.c (current_function_instrument_entry_exit): New
7693 (push_function_context_to, pop_function_context_from): Save and
7695 (expand_function_start): Set current_ variable, maybe emit return
7696 label and entry profile call.
7697 (expand_function_end): Maybe emit exit profile call.
7699 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7701 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7702 NON_QI_REG_P, pretend the register is SImode.
7704 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7706 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7707 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7708 manufacturer id for ns32k.
7709 * configure: Regenerated.
7710 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7711 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7712 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7713 * config/m68k/netbsd.h: Same.
7714 * config/ns32k/netbsd.h: Same.
7715 * config/sparc/netbsd.h: Same.
7717 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7719 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7720 or UNROLL_COMPLETELY loop that starts with a jump to its
7723 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7725 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7726 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7727 (print_operand, case 'B'): Don't fall through.
7728 (print_operand, case 'S'): Correct mask begin/end computation.
7729 Use HOST_BITS_PER_WIDE_INT.
7730 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7731 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7732 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7733 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7735 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7737 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7738 constraint from second alternative.
7740 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7742 * configure.in: Fix --without/--disable cases for local-prefix,
7743 gxx-include-dir and checking.
7745 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7747 * configure.in (enable_haifa): Set by default for sparc64 too.
7750 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7752 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7753 * i386/winnt.c (associated_type): New fn.
7754 (i386_pe_valid_type_attribute_p): New fn.
7755 (i386_pe_check_vtable_importexport): Remove.
7756 (i386_pe_dllexport_p): Use associated_type.
7757 (i386_pe_dllimport_p): Likewise.
7759 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7760 * i386.c (i386_valid_type_attribute_p): Also accept
7761 attributes for METHOD_TYPEs.
7763 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7765 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7767 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7769 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7771 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7772 them from generating a new base name for each occurence of
7775 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7777 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7779 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7783 * cplus-dem.c (type_kind_t): New type.
7784 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7785 on this paramter, rather than demangling the type again.
7786 (demangle_integral_value): Pass tk_integral.
7787 (demangle_template_: Pass the value returned from do_type.
7788 (do_type): Return a type_kind_t. Pass tk_integral to
7789 demangle_template_value_parm for array bounds.
7790 (demangle_fund_type): Likewise.
7792 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7794 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7797 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7799 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7801 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7803 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7805 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7808 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7810 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7811 (DEBUGGER_ARG_OFFSET): Likewise.
7813 * mn10300.md (movsf): Remove last change. Not needed.
7815 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7817 * c-lex.c (yylex): Fix boundary conditions in character literal and
7818 string literal loops.
7820 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7822 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7823 being invoked incorrectly.
7825 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7826 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7828 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7829 * configure.in: Added i[34567]86-*-win32
7830 * config.sub: Ditto.
7831 * configure: Rebuilt.
7833 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7835 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7836 the frame pointer and compiling PIC code and reload has not completed.
7838 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7841 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7843 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7845 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7847 * Makefile.in (install-info): Only try to update the info
7848 directory file if it exists in the first place.
7850 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7852 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7854 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7856 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7857 CONST_DOUBLE source.
7859 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7861 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7862 strings as the insertion of USER_LABEL_PREFIX.
7863 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7865 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7868 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7870 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7871 already defined type.
7873 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7875 * expr.c (check_max_integer_computation_mode): Allow conversions
7876 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7877 (expand_expr): Likewise.
7879 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7881 * expr.c (expand_expr): Expand RETURN_EXPR.
7883 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7885 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7887 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7889 * dwarf2out.c (output_aranges): Call stripattributes
7890 for TEXT_SECTION references.
7891 (output_line_info): Likewise.
7893 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7895 * profile.c (branch_prob): Call allocate_reg_info after outputting
7896 profile rtl in instrument_arcs.
7898 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7900 * fixinc.irix (math.h): Install wrapper instead of copying.
7902 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7904 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7905 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7906 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7907 lang_flag_0. Added documentation in the flag table.
7909 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7911 * cccp.c (do_include): Fix vax c style include handling.
7913 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7915 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7917 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7919 * fold-const.c (non_lvalue): Don't deal with null pointer
7921 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7923 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7925 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7926 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7927 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7928 (u_short_cint_operand): Same.
7929 (reg_or_cint_operand): Same.
7930 (logical_operand): Same.
7931 (input_operand): Same.
7932 (reg_or_short_operand): Use u_short_cint_operand.
7934 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7936 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7937 but keep the insns and splits. Adjust so when the ultimate destination
7938 is memory, use cvtql.
7940 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7942 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7944 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7946 * gcc.c (do_spec): Call "error" not "warning".
7948 * configure.in: Fix minor problems with gas feature detection code.
7949 * configure: Rebuilt.
7951 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7954 * gcc.c: Delete %[spec] support.
7955 (do_spec_1, case '('): Likewise.
7956 (do_spec_1, case '['): Call error.
7958 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7960 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7961 (CPP_SUBTARGET_SPEC): Default to empty string.
7962 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7963 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7964 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7965 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7967 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7968 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7969 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7970 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7971 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7972 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7973 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7974 * alpha/vxworks.h: Likewise.
7976 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7978 * mips.md (reload_outsi): Added missing REGNO call.
7979 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7981 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7982 another match_operator and compare the codes.
7984 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7986 * MIPS multiply pattern fixes:
7987 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7988 Add union classes for HI, LO, or HILO plus general registers.
7989 (GENERATE_MADD): Deleted.
7990 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7991 Add TARGET_MAD to condition.
7992 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
7993 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
7994 "*d" for accumulator, to give preference to LO initially but not
7997 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
7999 * configure.in (enable_c_mbchar): New configure option.
8000 (extra_cpp_objs): Always available now.
8002 * cexp.y (mbchar.h): #include it.
8003 (yylex): Handle Multibyte characters in character literals.
8005 * cccp.c (mbchar.h): #include it.
8006 (main): Set character set based on LANG environment variable.
8007 (rescan): Handle multibyte characters in comments.
8008 (skip_if_group): See above.
8009 (validate_else): See above.
8010 (skip_to_end_of_comment): See above.
8011 (macarg1): See above.
8012 (discard_comments): See above.
8013 (rescan): Handle multibyte characters in string and character literals.
8014 (collect_expansion): See above.
8015 (skip_quoted_string): See above.
8016 (macroexpand): See above.
8017 (macarg1): See above.
8018 (discard_comments): See above.
8019 (change_newlines): See above.
8021 * c-lex.c (mbchar.h): #include it.
8022 (GET_ENVIRONMENT): New macro.
8023 (init_lex): Set character set based on LANG environment variable.
8024 (yylex): Handle multibyte characters in character literals.
8025 (yylex): Handle multibyte characters in string literals.
8027 * Makefile.in (mbchar.o): New target.
8028 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8029 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8031 * mbchar.[ch]: New files for multibyte character handling.
8033 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8035 * jump.c (jump_optimize): When simplifying noop moves and
8036 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8037 the PUSHes to rewrite in second loop as we did in the first.
8039 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8041 * cplus-dem.c (demangle_nested_args): Make function definition
8042 static to match the prototype.
8044 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8046 * alloca.c: Respect USE_C_ALLOCA.
8047 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8048 * gengenrtl.c (xmalloc): Likewise.
8050 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8052 * loop.h (struct induction): Add no_const_addval.
8053 * loop.c (the_movables, reg_address_cost): New variables.
8054 (init_loop): Init reg_address_cost.
8055 (loop_optimize): Call end_alias_analysis.
8056 (scan_loop): Init the_movables.
8057 (record_giv): Init induction->no_const_addval.
8058 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8059 [REG]: Rearrange loop search test to catch more cases.
8060 (general_induction_var): Return success not benefit; take an extra
8061 argument for that. Change all callers.
8062 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8063 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8064 [default]: Search the_movables for additional combinations.
8065 (sge_plus_constant, sge_plus): New functions.
8066 (express_from_1): New function.
8067 (express_from): Always define. Rewrite using express_from_1.
8068 (combine_givs_p): Handle more cases. Ignore address cost.
8069 (cmp_combine_givs_stats): New function.
8070 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8071 (combine_givs): Rewrite to do best-fit combination.
8073 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8074 (fold): Do a complete (A*C)+(B*C) association check.
8076 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8078 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8080 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8082 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8084 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8086 * tree.c (valid_machine_attribute): Only create a new type variant if
8087 there is a decl to use it.
8089 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8091 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8094 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8096 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8099 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8101 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8102 Simplify tests for clearing an address register.
8103 (expand_prologue): Corresponding changes.
8105 * mn10300.md (movXX patterns): Make sure the destination is an
8106 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8107 (logical patterns): Split into expanders + patterns
8108 (zero and sign extension patterns): Similarly.
8109 (shift patterns): Similarly.
8111 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8113 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8114 for the sequence, recording base values.
8116 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8118 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8120 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8122 * gcc.c: Remove ANSI-C ism from --help code.
8124 * toplev.c: Support --help with USE_CPPLIB.
8126 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8128 * configure.in: Rework gas feature code to work with symlink based
8131 * extend.texi: Clarify some issues related to local variables
8132 assigned to explicit registers.
8134 * mn10300.md (mulsi): Turn into expander + pattern.
8136 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8139 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8141 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8143 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8145 * version.c: Bump again to distinguish mainline tree from the
8148 See ChangeLog.0 for earlier changes.
8151 add-log-time-format: current-time-string
OSDN Git Service
