1 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
3 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
4 instead of TREE_CODE_CLASS == 't'.
5 (gen_type_die): Likewise.
6 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
8 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
10 * real.c (endian): Disable last change unless
11 HOST_BITS_PER_WIDE_INT is greater than 32.
13 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
15 * output.h (force_data_section): New prototype.
16 * varasm.c (force_data_section): New function to force the
17 data section, regardless of what in_section thinks.
18 * dwarf2out.c (output_call_frame_info): Call force_data_section
19 since varasm may not realize we've changes sections.
21 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
23 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
24 after completeing reload.
26 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
29 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
31 * rtl.h (multiple_sets): Fix prototype.
32 * rtlanal.c (multiple_sets): Fix return type.
34 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
36 * version.c: Bump for snapshot.
38 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
40 * version.c: Bump for snapshot.
42 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
44 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
46 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
48 * rtl.h (recompute_reg_usage): Add second argument.
49 * flow.c (recompute_reg_usage): Likewise.
50 * toplev.c (rest_of_compilation): Supply second argument to
53 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
56 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
58 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
59 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
60 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
63 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
65 * rtlanal.c (multiple_sets): New function.
66 * rtl.h (multiple_sets): Declare it.
67 * local-alloc.c (wipe_dead_reg): Use it.
68 * global.c (global_conflicts): Likewise.
70 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
72 * global.c (record_conflicts): Don't use an array of shorts to
73 store an array of ints.
74 (global_conflicts): Likewise.
76 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
78 * alpha.c (alpha_expand_block_move): mode_for_size expects
79 bits, not bytes. Infer extra alignment from addressof.
81 1998-12-11 Michael Meissner <meissner@cygnus.com>
83 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
84 .sbss section, not .sdata.
86 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
88 * cccp.c: Do not #include <sys/stat.h> here; this is already done
90 * collect2.c: Likewise.
95 * protoize.c: Likewise.
98 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
99 and don't try to define it here.
100 * Makefile.in (cppmain.o): Depend on machmode.h.
101 (cpplib.o): Likewise.
102 (cpperror.o): Likewise.
103 (cppexp.o): Likewise.
104 (cppfiles.o): Likewise.
105 (cpphash.o): Likewise.
106 (cppalloc.o): Likewise.
107 (fix-header.o): Likewise.
108 (scan-decls.o): Likewise.
110 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
112 * sh.c (print_operand): lookup interrupt_handler attribute instead
113 of relying on static variable.
114 * (calc_live_regs): Likewise.
115 * (sh_pragma_insert_attributes): Create interrupt_handler
116 attribute if a pragma was specified
117 * (sh_valid_machine_decl_attribute): Don't set static flag.
118 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
120 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
122 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
123 to determine if a register is live at a jump destination.
124 Everything is dead at a BARRIER.
126 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
128 * cse.c (simplify_unary_operation): Sign-extend constants when
129 they have the most significant bit set for the target.
130 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
132 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
133 HOST_WIDE_INT temporary before negating it.
134 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
136 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
138 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
141 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
143 * collect2.h: New header file for prototypes.
145 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
147 * collect2.c: Include collect2.h.
150 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
152 * flow.c: Update some comments.
154 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
156 * objc/objc-act.c (cpp_initialized): Removed.
157 (lang_init_options): Initialize cpplib.
158 (lang_decode_option): Move initialization of cpplib to
160 * c-lang.c: (parse_options,parse_in): Added.
161 (lang_init_options): Initialized cpplib here.
162 * c-decl.c (parse_options,cpp_initialized): Removed.
163 (c_decode_option): Move initialization of cpplib to
166 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
168 * reload1.c (reload_combine, reload_combine_note_store):
169 Make STORE_RUID always valid.
170 (reload_combine): Check if BASE is clobbered too early.
172 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
174 * reload.c (find_reloads): Display the insn that cannot be
177 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
179 * cccp.c (create_definition): Fix end of bufer logic.
181 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
183 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
184 pointer parameters changed to use the PARAMS() macro.
186 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
188 * except.h (struct handler_info): Add handler_number field.
189 * except.c (gen_exception_label): EH labels no longer need to be
190 on the permanent obstack.
191 (get_new_handler): Set the label number field.
192 (output_exception_table_entry): Regenerate handler label reference
193 from the label number field.
194 (init_eh): Remove a blank line.
195 * integrate.c (get_label_from_map): Labels no longer need to be
196 on the permanent obstack.
198 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
200 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
201 only when OUTER_CODE is SET.
203 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
205 * loop.c (strength_reduce): If scan_start points to the loop exit
206 test, be wary of subversive use of gotos inside expression statements.
207 Don't set maybe_multiple for a backward jump that does not
208 include the label under consideration into its range.
209 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
211 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
213 * explow.c (plus_constant_wide): Don't immediately return with
214 result of recursive call.
216 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
218 * eh-common.h (struct eh_context): Add table_index for rethrows.
220 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
221 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
222 processed when inlined or unrolled (ie duplicated in some way).
224 * rtl.c (reg_note_name): Add strings for new reg_note enums.
226 * expr.h (rethrow_libfunc): New library decl.
228 * optabs.c (rethrow_libfunc): Initialize.
230 * except.h (struct eh_entry): Add new field 'rethrow_label'.
231 (new_eh_region_entry): No longer exported from except.c.
232 (duplicate_handlers): Renamed to duplicate_eh_handlers and
234 (rethrow_symbol_map, rethrow_used): New exported functions.
235 (eh_region_from_symbol): New exported function.
237 * except.c (create_rethrow_ref): New function to create a single
238 SYMBOL_REF for a rethrow region.
239 (push_eh_entry): Initialize a rethrow ref.
240 (func_eh_entry): Add a rethrow_label field.
241 (new_eh_region_entry): Make static, and initialize the rethrow entry.
242 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
243 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
244 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
245 a region into an appropriate new symbol.
246 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
247 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
248 (end_catch_handler): Emit a barrier for new-exceptions since
249 control can never drop through the end of a catch block.
250 (expand_end_all_catch): new-exceptions never fall through a catch
252 (expand_rethrow): use __rethrow routine for new exceptions.
253 (output_exception_table_entry): Generate rethrow labels, if needed.
254 (output_exception_table): Generate start and end rethrow labels.
255 (init_eh): Create rethrow symbols for beginning and end of table.
256 (scan_region): Don't eliminate EH regions which are the targets of
259 * flow.c (make_edges): Add different edges for rethrow calls,
260 identified by having the REG_EH_RETHROW reg label.
261 (delete_unreachable_blocks): Don't delete regions markers which are
262 the target of a rethrow.
264 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
265 allow save_for_inline_copying to call duplicate_eh_handlers.
266 (save_for_inline_copying): Call duplicate_eh_handlers instead of
267 exposing internal details of exception regions.
268 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
269 (expand_inline_function_eh_labelmap): New callback routine to
270 allow expand_inline_function to call duplicate_eh_handlers.
271 (expand_inline_function): Call duplicate_eh_handlers instead of
272 exposing internal details of exception regions.
273 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
276 * libgcc2.c (find_exception_handler): Generalize to enable it to
277 pick up processing where it left off last time for a rethrow.
278 (__unwinding_cleanup): New function. debug hook which is called before
279 unwinding when __throw finds there is nothing but cleanups left.
280 (throw_helper): Common parts of __throw extracted out for reuse.
281 (__throw): Common parts moved to throw_helper.
282 (__rethrow): New function for performing rethrows.
284 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
286 * reload1.c (current_function_decl): Tweak declaration.
288 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
290 * c-decl.c (flag_isoc9x): Default off.
291 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
292 * cccp.c (print_help, main): Likewise.
293 * gcc.c (default_compilers): Update for -std=gnu*.
295 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
297 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
298 * demangle.h: Deleted.
300 * reload1.c (current_function_decl): Declare.
302 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
304 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
306 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
308 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
310 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
312 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
314 * configure: Rebuilt.
315 * system.h: If the *_unlocked functions are available use them
316 instead of the locked counterparts by defining macros.
317 * config.in: Regenerated.
319 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
321 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
322 wrong and should only be used for dump related things, not
323 debugging information, instead main_input_filename should be used.
324 Also, reuse output_file_directive if possible.
325 * i386/aix386ng.h (ASM_FILE_START): Likewise.
326 * i386/isc.h (ASM_FILE_START): Likewise.
327 * i386/win-nt.h (ASM_FILE_START): Likewise.
328 * i386/sun386.h (ASM_FILE_START): Likewise.
330 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
332 * configure.in (mips*-*-linux*): Handle big and little endian
334 * configure: Rebuilt.
336 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
338 * emit-rtl.c: Fix typo.
340 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
342 * reload1.c (eliminate_regs): Don't do anything, if we're not
345 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
347 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
349 * mips/mips.c (mips_select_section): Add comment.
351 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
353 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
354 characters in file names in #line to be consistent with #include
355 handling. We support escape prcessing in the # 1 "..." version of
356 the command. See also support in cp/lex.c.
357 (handle_directive): Likewise.
360 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
362 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
363 so it'll work on non-ASCII platforms. Always consider $ an
364 identifier character. Take no arguments.
365 (cpp_reader_init): Call initialize_char_syntax with no
367 (cpp_start_read): Don't call initialize_char_syntax again.
368 Clear is_idchar['$'] and is_idstart['$'] if not
369 opts->dollars_in_ident.
371 * cpplib.h (struct cpp_reader): Replace void *data element by
372 cpp_options *opts. Rearrange elements to make gdb printout
373 less annoying (put buffer stack at end).
374 (CPP_OPTIONS): Get rid of now-unnecessary cast.
376 * cppmain.c: s/data/opts/ when initializing cpp_reader
378 * c-decl.c: Likewise.
379 * objc/objc-act.c: Likewise.
380 * fix-header.c: Likewise.
382 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
384 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
385 with a struct file_name_list pointer.
386 (struct cpp_reader): Add pointer to chain of `actual
387 directory' include searchpath entries.
388 (struct file_name_list): Add *alloc pointer for the sake of
389 the actual-directory chain.
391 Move definition of HOST_WIDE_INT here.
392 (cpp_parse_escape): Change prototype to match changes in
395 * cppfiles.c (actual_directory): New function.
396 (finclude): Use it to initialize the buffer's actual_dir
398 (find_include_file): We don't need to fix up max_include_len
401 * cpplib.c (do_include): Don't allocate a file_name_list on
402 the fly for current directory "" includes, use the one that's
403 been preallocated in pfile->buffer->actual_dir. Hoist out
404 duplicate code from the search_start selection logic.
405 (cpp_reader_init): Initialize pfile->actual_dirs.
407 Remove definition of HOST_WIDE_INT. Change calls
408 to cpp_parse_escape to match changes in cppexp.c (note
409 hardcoded MASK, which is safe since this is the source
412 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
413 to handle wide character constants in #if directives. The
414 function now returns a HOST_WIDE_INT, and takes a third
415 argument which is a binary mask for all legal values (0x00ff
416 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
417 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
418 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
420 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
422 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
424 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
426 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
427 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
428 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
430 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
432 * final.c (output_asm_name): Use tabs to seperate comments from
435 Include instruction lengths (if defined) in output.
437 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
439 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
440 in the loop_info structure.
442 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
444 * configure.in: (arm*-*-ecos-elf): New target.
445 * configure: Regenerated.
446 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
447 * config/arm/ecos-elf.h: New file.
448 * config/arm/unknown-elf.h (TARGET_VERSION): Check
451 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
453 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
455 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
457 * version.c: Bump for snapshot.
459 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
461 * loop.c (check_dbra_loop): New argument loop_info. Update fields
464 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
466 * version.c: Bump for snapshot.
468 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
470 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
471 compressed reports are ok and preferred over URLs
473 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
475 * invoke.texi (Warning Options): Soften the tone of -pedantic
477 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
479 * print-rtl.c (print_rtx): Add prototype.
481 * unroll.c (iteration_info): Make it static.
483 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
485 * alias.c (memrefs_conflict_p): A second ANDed address
486 disables the aligned address optimization.
488 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
490 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
493 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
495 * i960.h (BOOL_TYPE_SIZE): Define.
497 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
499 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
500 from old valid_parallel_operands_4.
501 (valid_parallel_operands_4): Check that operands for 4 operand
502 parallel insns are valid, excluding load/store insns.
503 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
504 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
505 valid_parallel_load_store instead of valid_parallel_operands_4.
506 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
507 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
508 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
509 *notqi_movqi_clobber): Use valid_parallel_operands_4.
510 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
511 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
512 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
514 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
516 * config/c4x/c4x.c (iteration_info): Delete extern.
518 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
520 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
522 * final.c (cleanup_subreg_operands): Delete some unused code.
524 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
525 (struct insn_alternative): New structure definition.
526 (recog_op_alt): Declare variable.
527 (preprocess_constraints): Declare function.
528 * recog.c (recog_op_alt): New variable.
529 (extract_insn): Verify number of alternatives is in range.
530 (preprocess_constraints): New function.
531 * reg-stack.c: Include recog.h.
532 (constrain_asm_operands): Delete.
533 (get_asm_operand_lengths): Delete.
534 (get_asm_operand_n_inputs): New function.
535 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
536 N_OUTPUTS args. All callers changed.
537 Compute number of inputs and outputs here by calling
538 get_asm_operand_n_inputs.
539 Instead of constrain_asm_operands, call extract_insn,
540 constrain_operands and preprocess_constaints. Use information
541 computed by these functions throughout.
542 (record_reg_life): Delete code that is unused due to changes in
544 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
545 N_INPUTS and N_OUTPUTS args. All callers changed.
546 Similar changes as in record_asm_reg_life.
547 (subst_stack_regs): Move n_operands declaration into the if statement
549 Delete code that is unused due to changes in subst_asm_stack_regs.
550 * stmt.c (expand_asm_operands): Verify number of alternatives is in
552 * Makefile.in (reg-stack.o): Depend on recog.h.
554 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
556 * except.c (set_exception_version_code): Argument is an "int".
558 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
560 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
561 * configure: Rebuilt.
563 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
565 * configure.in (mipsel-*-linux*): New target.
566 * mips/linux.h: New file, based on other Linux targets.
568 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
570 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
571 runs in the context of the deleter, not the deletee, so we must
572 use taskVarGet to find the correct memory to free.
573 (__gthread_key_create): Initialize the task
574 variable subsystem so that the task variable is still active when
575 the delete hook is run.
577 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
579 * pdp11.h: Use optimize_size for space optimizations.
581 * pdp11.md: Likewise.
583 * pdp11.h (TARGET_40_PLUS): Fix typo.
585 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
587 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
590 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
592 * alias.c (addr_side_effect_eval): New function.
593 (memrefs_conflict_p): Use it.
594 * rtl.h (addr_side_effect_eval): Prototype it.
596 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
598 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
600 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
602 * reload.c (find_reloads): When force const to memory, put result
603 in substed_operand not *recog_operand_loc.
605 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
607 * c-lex.c: Fix indentation from last patch.
608 Remove trailing whitespace.
611 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
613 * flow.c (delete_block): Call set_last_insn after we have reset
614 NEXT_INSN (kept_tail).
616 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
618 * mips.md (trap_if): Use "$0" for the value zero.
620 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
621 Stephen L Moshier <moshier@world.std.com>
622 Richard Henderson <rth@cygnus.com>
624 * c-common.c (declare_function_name): Declare predefinied variable
627 * c-decl.c (flag_isoc9x): Set to 1 by default.
628 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
629 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
631 * c-parse.in: Allow constructors in ISO C 9x.
632 Rewrite designator list handling.
633 Allow [*] parameters.
634 Don't warn about comma at end of enum definition for ISO C 9x.
636 * cccp.c (c9x): New variable.
637 (rest_extension): New variable.
638 (print_help): Document new -std= option.
639 (main): Recognize -std= option. Set c9x appropriately.
640 (create_definition): Recognize ISO C 9x vararg macros.
642 * gcc.c (default_compilers): Adjust specs for -std options.
643 (option_map): Add --std.
644 (display_help): Document -std.
646 * toplev.c (documented_lang_options): Add -std and remove
649 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
650 or REAL_VALUE_HTOF based on base of the constants.
651 * fold-const.c (real_hex_to_f): New function. Replacement function
652 for hex FP conversion if REAL_ARITHMETIC is not defined.
653 * real.c (asctoeg): Add handling of hex FP constants.
654 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
657 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
659 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
660 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
661 expansion. Use hi/lo as destination register.
663 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
664 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
665 Avoid as macro expansion. Use hi/lo as destination register.
667 * mips.h (MASK_CHECK_RANGE_DIV): New.
668 (MASK_NO_CHECK_ZERO_DIV): New.
669 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
670 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
671 return address for leaf functions out of r31 to support
672 builtin_return_address.
674 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
676 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
677 NEXT_INSN(x) to check insn x.
679 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
681 * flow.c (delete_block): Call set_last_insn if we end up deleting the
682 last insn in the rtl chain.
684 * reload1.c (reload): Do not set reload_completed or split insns
686 * toplev.c (rest_of_compilation): Set reload_completed after
687 reload returns. Split insns after reload_cse has run.
689 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
691 * final.c (final_scan_insn): Abort if block_depth falls below 0.
693 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
695 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
697 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
699 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
700 use of user-label_prefix.
702 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
704 * reload1.c (emit_reload_insns): Clear spill_reg_store
705 when doing a new non-inherited reload from the same pseudo.
707 * local-alloc.c (function_invariant_p): New function.
708 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
709 to decide if an equivalence should be recorded.
710 * reload1.c (num_eliminable_invariants): New static variable.
711 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
712 to decide if an equivalence should be recorded.
714 (calculate_needs_all_insns): Skip insns that only set an equivalence.
715 Take num_eliminable_invariants into account when deciding
716 if register elimination should be done.
717 (reload_as_needed): Take num_eliminable_invariants into account
718 when deciding if register elimination should be done.
719 (eliminate_regs): Handle non-constant reg_equiv_constant.
720 * rtl.h (function_invariant_p): Declare.
722 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
724 * version.c: Bump for snapshot.
726 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
728 * version.c: Bump for snapshot.
730 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
732 * except.c (add_new_handler): Complain about additional handlers
733 after one that catches everything.
735 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
737 * configure.in (alpha*-*-netbsd): Fix typo.
738 * configure: Rebuilt.
740 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
742 * system.h: Include libiberty.h.
744 * c-aux-info.c: Remove prototypes for concat/concat3. Change
745 function `concat' from fixed parameters to variable parameters,
746 as is done in libiberty. All callers of concat/concat3
747 changed to use the new `concat' with variable args.
749 * cccp.c: Remove things made redundant by libiberty.h and/or
750 conform to libiberty standards.
752 * collect2.c: Likewise.
753 * config/1750a/1750a.h: Likewise.
754 * cppalloc.c: Likewise.
755 * cppexp.c: Likewise.
756 * cppfiles.c: Likewise.
757 * cpphash.c: Likewise.
758 * cpplib.c: Likewise.
759 * dyn-string.c: Likewise.
760 * fix-header.c: Likewise.
763 * genattr.c: Likewise.
764 * genattrtab.c: Likewise.
765 * gencheck.c: Likewise.
766 * gencodes.c: Likewise.
767 * genconfig.c: Likewise.
768 * genemit.c: Likewise.
769 * genextract.c: Likewise.
770 * genflags.c: Likewise.
771 * gengenrtl.c: Likewise.
772 * genopinit.c: Likewise.
773 * genoutput.c: Likewise.
774 * genpeep.c: Likewise.
775 * genrecog.c: Likewise.
776 * getpwd.c: Likewise.
777 * halfpic.c: Likewise.
779 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
780 in NEED_DECLARATION_* macros.
782 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
783 conform to libiberty standards.
784 (fatal): Fix const-ification of variable `format' in
785 !ANSI_PROTOTYPES case.
787 * prefix.c: Remove things made redundant by libiberty.h and/or
788 conform to libiberty standards.
790 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
791 conflicting with function `spaces' from libiberty.
793 * profile.c: Remove things made redundant by libiberty.h and/or
794 conform to libiberty standards.
795 * protoize.c: Likewise.
799 * toplev.c: Likewise.
800 * toplev.h: Likewise.
803 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
805 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
807 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
809 * README.C4X: Updated URLs.
810 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
811 (valid_parallel_operands_5): Remove unused variable.
813 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
815 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
817 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
819 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
820 which can be configured.
821 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
822 (Makefile): Pass actual LANGUAGES through the environment when
824 (cstamp-h): Likewise.
825 (config.status): Likewise.
827 * configure.in (enable_languages): Add new configuration parameter
828 "--enable-languages=lang1,lang2,...".
829 (${srcdir}/*/config-lang.in): Change handling to configure only
830 those directories, that the user might have enabled; default to
831 "all" existing languages.
832 * configure: Regenerate.
834 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
836 * rtlanal.c (regs_set_between_p): New function.
837 * rtl.h (regs_set_between_p): Prototype it.
838 * jump.c (jump_optimize): Use it instead of modified_between_p
841 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
842 Matthias Pfaller <leo@dachau.marco.de>
844 * invoke.texi (Option Summary, NS32K Options): add description
845 of NS32K specific options.
847 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
848 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
849 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
850 negdf2, absdf2): Use l instead of f since the double class and
851 float class are no longer the same.
852 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
853 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
854 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
855 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
857 (cmpsi, cmphi, cmpqi): use general_operand instead of
858 non_immediate_operand. Removes erroneous assumption that can't
860 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
861 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
863 (movstrsi, movstrsi1, movstrsi2): completely new block move
865 (...): Patterns to exploit multiply-add instructions.
866 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
867 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
868 patterns to exploit extended divide insns.
869 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
872 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
873 float return values as well as simple scalar floats.
874 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
875 support new flag to denote 32381 fpu.
876 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
877 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
879 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
880 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
881 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
882 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
883 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
884 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
885 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
886 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
887 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
888 fpu registers and special register classes for new 32381
889 instructions dotf and polyf.
890 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
892 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
893 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
895 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
896 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
897 (REGISTER_MOVE_COST): move code to register_move_cost function for
898 ease of coding and debugging.
899 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
900 LONG_FLOAT_REGO is likely spilled but not caught by default
902 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
903 instead of hard coded numbers in range check.
904 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
905 (...): Add prototypes for functions in ns32k.c but disable because
906 of problems when ns32k.h is included in machine independant files.
908 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
909 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
910 hard_regno_mode_ok, secondary_reload_class,
911 print_operand, print_operand_address): new register scheme to
912 include 32381 fpu registers and special register classes for new
913 32381 instructions dotf and polyf.
914 (gen_indexed_expr): Make static to keep namespace clean.
915 (check_reg): remove since never called.
916 (move_tail, expand_block_move): helper functions for "movstrsi"
918 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
919 Increase cost of moves which go via memory.
920 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
921 (CPP_PREDEFINES): nolonger predefine "unix".
923 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
924 Remove erroneous %$. print_operand() can work out from the rtx is
925 an immediate prefix is required.
927 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
928 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
929 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
931 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
934 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
935 Correct handling of pic operands.
936 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
937 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
938 -mrtd calling convention.
940 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
942 * gcc.c (option_map): Recognize --output-class-directory.
944 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
946 * loop.h (precondition_loop_p): Added new mode argument.
947 * unroll.c (precondition_loop_p): Likewise.
948 (approx_final_value): Function deleted and subsumed
949 into loop_iterations.
950 (loop_find_equiv_value): New function.
951 (loop_iterations): Use loop_find_equiv_value to find increments
952 too large to be immediate constants. Also use it to find terms
953 common to initial and final iteration values that can be removed.
955 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
957 * loop.h (struct loop_info): Define new structure.
958 (precondition_loop_p): Added prototype.
959 (unroll_loop): Added new argument loop_info to prototype.
960 (final_biv_value, final_giv_value): Added new argument n_iterations
962 * loop.c (strength_reduce): Declare new structure loop_iteration_info
963 and new pointer loop_info.
964 (loop_n_iterations): Replace global variable by element in
966 (check_final_value): New argument n_iterations.
967 (insert_bct): New argument loop_info.
968 (loop_unroll_factor): Replace global array by element in
970 (loop_optimize): Remove code to allocate and initialise
971 loop_unroll_factor_array.
972 * unroll.c (precondition_loop_p): No longer static since
973 used by branch on count optimization.
974 (precondition_loop_p, unroll_loop): New argument loop_info.
975 (final_biv_value, final_giv_value, find_splittable_regs): New
976 argument n_iterations.
977 (loop_iteration_var, loop_initial_value, loop_increment,
978 loop_final_value, loop_comparison_code, loop_unroll_factor):
979 Replaced global variables by loop_info structure.
980 (loop_unroll_factor): Replace global array by element in
983 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
985 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
988 * unroll.c (precondition_loop_p): Return loop_initial_value
989 for initial_value instead of loop_iteration_var.
991 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
993 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
994 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
995 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
996 to output the instruction sequences.
998 (rptb_top): Provide alternatives to use any register or memory
1000 (rptb_end): Emit use of operands rather than assigning them
1001 explicitly to the RS and RE registers.
1003 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1005 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
1006 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
1007 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
1008 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
1009 c4x_merge_notes, c4x_parallel_process,
1010 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
1011 c4x_combine_parallel): Delete.
1013 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1015 * config/c4x/c4x.c: (c4x_override_options): For compatibility
1016 with old target options clear flag_branch_on_count_reg if
1017 -mno-rptb specified and set flag_argument_alias is -mno-aliases
1019 (c4x_output_cbranch): Handle a sequence of insns rather than a
1021 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
1022 has not been allocated as the loop counter.
1023 (c4x_address_conflict): Do not allow two volatile memory references.
1024 (valid_parallel_operands_4, valid_parallel_operands_5,
1025 valid_parallel_operands_6): Reject pattern if the register destination
1026 of the first set is used as part of an address in the second set.
1028 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1030 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
1031 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
1032 is no longer enabled if PARALLEL_MPY_FLAG set.
1033 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
1034 (REG_CLASS_CONTENTS): Add braces around initializers.
1035 (HAVE_MULTIPLE_PACK): Define.
1036 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
1037 REAL_VALUE_TO_DECIMAL.
1038 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
1039 REAL_VALUE_TO_DECIMAL.
1040 (ar0_reg_operand): Add prototype.
1041 (ar0_mem_operand): Likewise.
1042 (ar1_reg_operand): Likewise.
1043 (ar1_mem_operand): Likewise.
1044 (ar2_reg_operand): Likewise.
1045 (ar2_mem_operand): Likewise.
1046 (ar3_reg_operand): Likewise.
1047 (ar3_mem_operand): Likewise.
1048 (ar4_reg_operand): Likewise.
1049 (ar4_mem_operand): Likewise.
1050 (ar5_reg_operand): Likewise.
1051 (ar5_mem_operand): Likewise.
1052 (ar6_reg_operand): Likewise.
1053 (ar6_mem_operand): Likewise.
1054 (ar7_reg_operand): Likewise.
1055 (ar7_mem_operand): Likewise.
1056 (ir0_reg_operand): Likewise.
1057 (ir0_mem_operand): Likewise.
1058 (ir1_reg_operand): Likewise.
1059 (ir1_mem_operand): Likewise.
1060 (group1_reg_operand): Likewise.
1061 (group1_mem_operand): Likewise.
1062 (ir1_reg_operand): Likewise.
1063 (arx_reg_operand): Likewise.
1064 (not_rc_reg): Likewise.
1065 (not_modify_reg): Likewise.
1066 (c4x_group1_reg_operand): Remove prototype.
1067 (c4x_group1_mem_operand): Likewise.
1068 (c4x_arx_reg_operand): Likewise.
1070 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
1072 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
1073 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
1075 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1077 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
1080 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1082 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
1083 unless FMOVD_WORKS is defined.
1085 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1087 * regclass.c (init_reg_sets): Move code that calculates tables
1088 dependent on reg_class_contents from here...
1089 (init_reg_sets_1): To here.
1091 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1093 * cpplib.h: Delete struct import_file. Add ihash element to
1094 struct cpp_buffer. Delete dont_repeat_files and
1095 import_hash_table elements from cpp_reader; change
1096 all_include_files to a hash table. Delete all foobar_include
1097 / last_foobar_include elements from struct cpp_options; put
1098 back four such: quote_include, bracket_include,
1099 system_include, after_include. Redo struct file_name_list
1100 completely. Add new structure type include_hash. Add
1101 prototypes for merge_include_chains and include_hash. Change
1102 prototypes for finclude, find_include_file, and
1103 append_include_chain to match changes below.
1105 * cppfiles.c (simplify_pathname, include_hash,
1106 remap_filename, merge_include_chains): New functions.
1107 (add_import, lookup_import, open_include_file): Removed.
1108 (INO_T_EQ): Define this (copied from cccp.c).
1109 (hack_vms_include_specification): Remove all calls and #if 0
1110 out the definition. It was being called incorrectly and at
1111 the wrong times. Until a VMSie can look at this, it's better
1112 to not pretend to support it.
1113 (append_include_chain): Change calling convention; now takes
1114 only one directory at a time, and sets up the data structure
1116 (redundant_include_p): Rewritten - this is now used for all
1117 include redundancy, whether by #ifndef, #import, or #pragma
1118 once. Looks up things in the include hash table.
1119 (file_cleanup): Decrement pfile->system_include_depth here if
1121 (find_include_file): Calling convention changed; now passes
1122 around a struct include_hash instead of 3 separate parameters.
1123 Guts ripped out and replaced with new include_hash mechanism.
1124 (finclude): Calling convention changed as for
1125 find_include_file. Error exits pulled out-of-line. Reformat.
1126 (safe_read): Return a long, not an int.
1127 (deps_output): Don't recurse.
1129 * cpplib.c (is_system_include): Deleted.
1130 (path_include): Fix up call to append_include_chain.
1131 (do_include): Fix up calls to find_include_file and finclude.
1132 Clean up dependency output a bit. Shorten obnoxiously lengthy
1133 #import warning message. Don't decrement
1134 pfile->system_include_depth here.
1135 (do_pragma): Understand the include_hash structure. Reformat.
1136 (do_endif): Correct handling of control macros. Understand
1138 (cpp_start_read): Fix up calls to finclude. Call
1139 merge_include_chains.
1140 (cpp_handle_option): Fix up calls to append_include_chain.
1141 Understand the four partial include chains.
1142 (cpp_finish): Add debugging code (#if 0-ed out) for the
1144 (cpp_cleanup): Free the include_hash, not the import hash and
1145 the all_include and dont_repeat lists which no longer exist.
1147 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1149 * toplev.c (no_new_pseudos): Define.
1150 (rest_of_compilation): Set no_new_pseudos as needed.
1151 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1152 if no_new_pseudos is set.
1153 * rtl.h (no_new_pseudos): Declare it.
1154 * reload1.c (reload): Update comments.
1155 * md.texi: Corresponding changes.
1157 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1159 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1160 (choose_reload_regs): Rename it here as well. When computing it,
1161 also merge in used hardregs.
1163 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1165 * gcc.c: Split out Objective-C specs to...
1166 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1169 * c-lex.c (init_parse): Always initialize the filename global.
1170 * objc/objc-act.c (lang_init): Always call check_newline at
1173 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1175 * reload1.c (reload): Remove unused variable.
1176 (reload_reg_free_for_value_p): Add missing parameter definition.
1178 * jump.c (jump_optimize): Remove unused variable.
1180 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1182 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1184 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1186 * expr.c (move_by_pieces): Similarly.
1187 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1188 * flow.c (find_auto_inc): Similarly.
1189 (try_pre_increment): Similarly.
1190 * loop.c (strength_reduce): Similarly.
1191 * regclass.c (auto_inc_dec_reg_p): Similarly.
1192 * regmove.c (try_auto_increment): Similarly.
1193 (fixup_match_1): Similarly.
1194 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1195 (HAVE_PRE_DECREMENT): Similarly.
1196 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1197 * Corresponding changes to all target header files.
1198 * tm.texi: Update docs for autoinc addressing modes.
1200 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1202 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1203 * configure: Rebuild.
1204 * config/elfos.h: New file.
1205 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1206 config/m68k/t-m68kelf: New file.
1208 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1210 * Makefile.in (HOST_AR): Define.
1211 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1212 (libcpp.a): Use the host tools explicitly.
1213 (STAGESTUFF): Add libcpp.a.
1215 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1217 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1218 to source and destination registers.
1220 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1222 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1223 The strategy we now use is to pre allocate the top_elt along
1224 with the EH context so that each thread has its own top_elt.
1225 This is necessary as the dynmanic cleanup chain is used on the
1226 top element of the stack and each thread MUST have its own.
1227 (eh_context_static): Likewise.
1228 (new_eh_context): Likewise.
1229 (__sjthrow): Likewise.
1231 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1233 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1234 * i386.md (prologue_get_pc): Remove unused variable.
1236 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1238 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1240 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1242 * Makefile.in (OBJS): Add graph.o
1243 (graph.o): New dependency list.
1244 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1245 * print-rtl.c (dump_for_graph): Define new variable.
1246 (print_rtx): Rewrite to allow use in graph dumping functions.
1247 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1248 finish_graph_dump_file.
1249 Define graph_dump_format.
1250 (compile_file): If graph dumping is enabled also clear these files.
1251 Finish graph dump files.
1252 (rest_of_compilation): Also dump graph information if enabled.
1253 (main): Recognize -dv to enabled VCG based graph dumping.
1254 * graph.c: New file. Graph dumping functions.
1256 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1258 * configure.in: Look for <sys/stat.h>.
1259 * system.h: Include it before substitute S_ISREG definitions.
1261 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1263 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1264 * config/mips/iris6.h: Same.
1265 * config/mips/mips.md: Same.
1266 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1267 * config/mips/mips.h: Same; also define ABI_O64.
1269 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1271 * configure.in: Use AC_PREREQ(2.12.1).
1273 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1275 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1276 * cpplib.c, gcc.c: Likewise.
1277 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1279 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1281 * local-alloc.c (local_alloc): Use malloc not alloca for
1282 reg_qty, reg_offset, ref_next_in_qty.
1284 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1286 * caller-save.c (insert_one_insn): Initialize the live_before and
1287 live_after register sets.
1291 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1292 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1293 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1294 (fp_reg_names, assembler_dialect): New variables.
1295 (print_operand_address): Handle SUBREGs.
1296 (print_operand): Added 'o' case.
1297 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1298 Name of FP registers depends on mode.
1299 (expand_block_move): Emit different code for SH4 hardware.
1300 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1301 (from_compare): Likewise.
1302 (add_constant): New argument last_value. Changed all callers.
1303 (find_barrier): Don't try HImode load for FPUL_REG.
1304 (machine_dependent_reorg): Likewise.
1305 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1306 (gen_far_branch): Emit a barrier after the new jump.
1307 (barrier_align): Don't trust instruction lengths before
1309 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1310 Use auto-inc addressing for fp registers if doubles need to
1311 be loaded in two steps.
1312 Set sh_flag_remove_dead_before_cse.
1313 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1314 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1315 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1316 Support for FIRST_XD_REG .. LAST_XD_REG.
1317 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1318 (sh_expand_epilogue): Likewise.
1319 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1320 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1321 (arith_reg_operand): FPUL_REG is OK for SH4.
1322 (fp_arith_reg_operand, fp_extended_operand) New functions.
1323 (tertiary_reload_operand, fpscr_operand): Likewise.
1324 (commutative_float_operator, noncommutative_float_operator): Likewise.
1325 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1326 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1327 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1328 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1329 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1330 (CONDITIONAL_REGISTER_USAGE): Likewise.
1331 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1332 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1333 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1334 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1335 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1336 to -1 and sh_flag_remove_dead_before_cse to 1.
1337 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1338 (assembler_dialect, fp_reg_names): Declare.
1339 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1340 Hide names of registers that are not accessible.
1341 (CACHE_LOG): Take TARGET_CACHE32 into account.
1342 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1343 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1344 (FIRST_PSEUDO_REGISTER: Now 49.
1345 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1346 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1347 (HARD_REGNO_MODE_OK): Update.
1348 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1349 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1350 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1351 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1352 (NPARM_REGS): Eight floating point parameter registers on SH4.
1353 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1354 in floating point registers.
1355 (GET_SH_ARG_CLASS) Likewise.
1356 Complex float types are also returned in float registers.
1357 (BASE_ARG_REG): Complex float types are also passes in float registers.
1358 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1359 (LIBCALL_VALUE): Remove trailing semicolon.
1360 (ROUND_REG): Round when double precision value is passed in floating
1362 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1363 passed on the stack.
1364 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1365 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1366 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1367 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1368 (MODE_DISP_OK_8): Not for SH4 DFmode.
1369 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1370 Allow indexed addressing for PSImode after reload.
1371 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1372 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1373 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1374 (DOUBLE_TYPE_SIZE): 64 for SH4.
1375 (RTX_COSTS): Add PLUS case.
1376 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1377 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1378 MAC_REGS, PR_REGS, DF_REGS.
1379 (REGISTER_NAMES): Use fp_reg_names.
1380 (enum processor_type): Add PROCESSOR_SH4.
1381 (sh_flag_remove_dead_before_cse): Declare.
1382 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1383 (PREDICATE_CODES): Add binary_float_operator,
1384 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1385 fpscr_operand, noncommutative_float_operator.
1386 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1387 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1388 * sh.md (attribute cpu): Add value sh4.
1389 (attrbutes fmovd, issues): Define.
1390 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1391 (function units memory, int, mpy, fp): Make dependent on issue rate.
1392 (function units issue, single_issue, load_si, load): Define.
1393 (function units load_store, fdiv, gp_fpul): Define.
1394 (attribute hit_stack): Provide proper default.
1395 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1396 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1397 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1398 (mulsi3_call): Now uses match_operand for function address.
1399 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1401 (push, pop, push_e, pop_e): Now define_expands.
1402 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1403 (movsi_ie): Added y/i alternative.
1404 (ic_invalidate_line_i, movdf_i4): New insns.
1405 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1406 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1407 (movdf): Add special code for SH4.
1408 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1409 (call_valuei, calli, call_value): Likewise.
1410 (movsf): Emit no-op move.
1411 (mov_nop, movsi_y): New insns.
1412 (blt, sge): generalize to handle DFmode.
1413 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1414 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1415 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1416 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1417 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1418 (toggle_sz): New insn.
1419 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1420 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1421 (macsf3): Make use of fpscr visible. Disable for SH4.
1422 (floatsisf2): Make use of fpscr visible.
1423 (floatsisf2_i4): New insn.
1424 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1425 (ieee_ccmpeqsf_t): Likewise.
1426 (fix_truncsfsi2): Emit different code for SH4.
1427 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1428 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1429 (negsf2, sqrtsf2, abssf2): Now expanders.
1430 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1431 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1432 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1433 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1434 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1435 (fix_truncdfsi2_i4_2+1): New splitters.
1436 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1437 (extendsfdf2, truncdfsf2): New expanders.
1438 (truncdfsf2_i4): New insn.
1439 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1440 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1441 * float-sh.h: When testing for __SH3E__, also test for
1442 __SH4_SINGLE_ONLY__ .
1443 * va-sh.h (__va_freg): Define to float.
1444 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1445 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1446 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1447 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1449 (TARGET_SH4_P): Define.
1452 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1453 init_expr_once is satisfied about the existence of load / store insns.
1455 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1456 change m constraint in source operand to mr / mf .
1458 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1460 * (__VA_REEF): Define.
1461 (__va_arg_sh1): Use it.
1463 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1465 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1467 * i386/dgux.c (struct option): Add new "description field".
1468 * m88k/m88k.c (struct option): Likewise.
1470 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1472 * version.c: Bump for snapshot.
1474 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1476 * regmove.c (regmove_profitable_p): Use return value of find_matches
1479 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1481 * version.c: Bump for snapshot.
1483 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1485 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1486 without reload having been called earlier.
1488 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1490 (v850_reorg): Similarly.
1492 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1494 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1496 * loop.c (move_movables): Start of libcall might be new loop start.
1498 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1500 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1502 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1504 * function.c (nonlocal_goto_handler_slots): Renamed from
1505 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1506 (push_function_context_to): Adjust for this change.
1507 (pop_function_context_from): Likewise.
1508 (init_function_start): Likewise.
1509 (expand_function_end): Likewise.
1510 * function.h (struct function): Likewise.
1511 * calls.c (expand_call): Likewise.
1512 * explow.c (allocate_dynamic_stack_space): Likewise.
1513 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1514 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1516 (expand_goto): When doing a nonlocal goto, find corresponding handler
1517 slot for it. Don't put the label address in the static chain register.
1518 (expand_end_bindings): Break out nonlocal goto handling code into
1519 three new functions.
1520 (expand_nl_handler_label, expand_nl_goto_receiver,
1521 expand_nl_goto_receivers): New static functions, broken out of
1522 expand_end_bindings and adapted to create one handler per nonlocal
1524 * function.c (delete_handlers): Delete insn if it references any of
1525 the nonlocal goto handler slots.
1526 * i960.md (nonlocal_goto): Comment out code that modifies
1528 * sparc.md (nonlocal_goto): Likewise.
1529 (goto_handler_and_restore_v9): Comment out.
1530 (goto_handler_and_restore_v9_sp64): Comment out.
1532 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1534 * expr.c (STACK_BYTES): Delete unused macro.
1535 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1536 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1537 (expand_call): Likewise.
1538 (emit_library_call): Likewise.
1539 (emit_library_call_value): Likewise.
1540 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1541 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1542 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1543 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1544 (allocate_dynamic_stack_space): Likewise.
1545 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1546 (STACK_BOUNDARY): Update description to reflect the new situation.
1548 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1550 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1551 return with a filled delay slot is followed by a return with an
1552 unfilled delay slot, delete the first return and reemit the insn
1553 that was previously in its delay slot.
1555 * i860.c (single_insn_src_p): Add missing parens.
1556 * ginclude/math-3300.h: Likewise.
1558 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1560 * regclass.c (init_reg_sets_1): Add prototype.
1561 (init_reg_modes): Likewise.
1563 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1565 * c-common.c: Change warning messages to say `comparison is
1566 always true' or `comparison is always false' instead of the
1567 confusing `is always 0', `is always 1'.
1569 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1571 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1572 break instead of return (which loses closing '>').
1574 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1576 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1577 standard 387 constants.
1579 * i386.md (jump): Explicitly set "memory" attribute.
1580 (indirect_jump, prologue_set_stack_ptr): Likewise.
1581 (prologue_get_pc_and_set_got, pop): Likewise.
1582 (allocate_stack_worder, blockage, return_internal): Likewise.
1583 (return_pop_internal, nop): Likewise.
1584 (epilogue_set_stack_ptr, leave): Likewise.
1586 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1588 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1590 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1592 * reload1.c (reload_reg_free_for_value_p):
1593 Early auto_inc reloads don't conflict with outputs.
1595 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1597 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1598 Instead call AC_HEADER_SYS_WAIT.
1600 * collect2.c: Don't provide defaults for sys/wait.h macros.
1602 * protoize.c: Likewise. Also, don't include sys/wait.h.
1604 * system.h: Include sys/wait.h and provide macro defaults.
1606 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1608 * Makefile.in (mandir): Set to @mandir@.
1609 (man1dir): New variable to hold the former value of $(mandir).
1610 Replace all uses of $(mandir) by $(man1dir).
1612 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1614 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1615 a new one before passing it to force_const_mem.
1617 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1618 find_reloads_address call.
1620 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1622 * expr.c (store_expr): Don't generate load-store pair
1623 if TEMP is identical (according to ==) with TARGET.
1625 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1627 * reload1.c (reload_reg_free_for_value_p): When considered reload
1628 has an output, matching inputs are not sufficient to avoid conflict.
1630 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1632 * hash.h (hash_table_key): New type.
1633 (hash_entry): Change `string' field to generic `key'.
1634 (hash_table): Add `comp' and `hash' functions.
1635 (hash_table_init): Take them as input.
1636 (hash_table_init_n): Likewise.
1637 (hash_lookup): Modify for generic keys.
1638 (hash_newfunc): Likewise.
1639 (hash_traverse): Likewise.
1640 (string_hash): New function.
1641 (string_compare): Likewise.
1642 (string_copy): Likewise.
1643 * hash.c (hash_table_init_n): Modify for generic keys.
1644 (hash_table_init): Likewise.
1645 (hash_lookup): Likewise.
1646 (hash_newfunc): Likewise.
1647 (hash_traverse): Likewise.
1648 (string_hash): Split out from hash_lookup.
1649 (string_compare): New function.
1650 (string_copy): Split out from hash_lookup.
1651 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1653 (symbol_hash_lookup): Likewise.
1654 (file_hash_newfunc): Likewise.
1655 (file_hash_lookup): Likewise.
1656 (demangled_hash_newfunc): Likewise.
1657 (demangled_hash_lookup): Likewise.
1658 (tlink_int): Likewise.
1659 (read_repo_file): Likewise.
1660 (recompile_files): Likewise.
1661 (demangle_new_symbols): Likewise.
1662 (scan_linker_output): Likewise.
1664 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1666 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1668 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1670 * rs6000.c (output_mi_thunk): Improve test for local branch.
1672 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1674 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1676 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1678 * reload1.c (reload_reg_free_before_p): Delete.
1679 Changed all callers to use reload_reg_free_for_value_p instead.
1680 (reload_reg_free_for_value_p): Handle more reload types.
1681 A RELOAD_FOR_INPUT doesn't conflict with its
1682 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1683 Add special case for OUT == const0_rtx.
1684 Added ignore_address_reloads argument. Changed all callers.
1686 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1688 * toplev.c (compile_file): Don't pedwarn about undefined static
1689 functions just because we passed -Wunused.
1691 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1693 * function.c (purge_addressof_1): Unshare rtl created by
1696 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1698 * regmove.c (regmove_optimize): Don't do anything but
1699 optimize_reg_copy[123] when flag_regmove is not set.
1701 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1703 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1704 value in paradoxical SImode result, rather than truncating midpoint.
1706 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1708 * alpha.c (reg_not_elim_operand): New.
1709 * alpha.h (PREDICATE_CODES): Add it.
1710 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1711 for the multiplicand.
1713 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1715 * rs6000.md (movsf): Remove explicit secondary-reload-like
1716 functionality. Only truncate SFmode store if in FPR.
1717 (movsf splitters): Combine const_double splitters.
1718 (movsf_hardfloat): Add GPR support.
1720 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1722 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1723 deprecate -mlive-g0 and -mbroken-saverestore.
1724 * t-splet (MULTILIB_OPTIONS): Likewise.
1726 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1727 in a leaf function. Clarify total_size/extra_size relationship.
1729 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1731 * i386/cygwin32.asm: Delete.
1732 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1733 * i386/cygwin32.h: Delete.
1734 * i386/cygwin.h: New file, renamed from cygwin32.h.
1735 * i386/t-cygwin32: Delete.
1736 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1737 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1738 * i386/x-cygwin32: Delete.
1739 * i386/x-cygwin: New file, renamed from x-cygwin32.
1740 * i386/xm-cygwin32: Delete.
1741 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1742 renamed cygwin_ funcs for path translations.
1743 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1744 * i386/winnt.c: Remove "32" from comment about cygwin.
1745 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1746 * rs6000/cygwin32.h: Delete.
1747 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1748 -D__CYGWIN__ to CPP_PREDEFINES.
1749 * rs6000/x-cygwin32: Delete.
1750 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1751 * rs6000/xm-cygwin32: Delete.
1752 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1754 * configure.in: Check for cygwin* instead of cygwin32. Account
1755 for the rename of cygwin-related config files to lose the "32"s.
1756 * configure: Regenerate.
1758 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1759 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1761 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1763 * Makefile.in (JAVAGC): New macro.
1764 * configure: Rebuilt.
1765 * configure.in: Recognize --enable-java-gc argument. Subst
1768 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1770 Handle equivalences that have been obscured by gcse:
1772 * reload1.c (reload): Handle equivalences set up in multiple places.
1773 * local-alloc.c (reg_equiv_init_insns): New variable.
1774 (no_equiv): New function.
1775 (update_equiv_regs): Handle equivalences set up in multiple places.
1776 Don't ignore an insn just because its destination is likely to be
1779 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1781 * except.c (expand_eh_return): Readd force_operand call lost in
1784 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1786 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1788 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1790 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1792 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1794 * regmove.c (regmove_optimize): Fix error in last change.
1796 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1798 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1799 offset in the .mask pseudo to compensate for frame pointer adjustments.
1800 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1801 word swap arguments moved to/from FP registers.
1802 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1804 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1806 * version.c: Bump for snapshot.
1808 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1810 * version.c: Bump for snapshot.
1812 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1814 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1815 times, then it can not be completely replaced.
1817 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1819 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1821 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1823 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1824 (to distinguish it from the macro wrapping ansidecl.h.)
1825 Include libiberty's ansidecl.h. Remove all redundant definitions.
1826 Define the PROTO() style macros in terms of the PARAMS() ones.
1829 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1830 __STDC__, when deciding whether to use ANSI variable args.
1831 (emit_library_call_value): Likewise.
1833 * cccp.c (error): Likewise.
1834 (warning): Likewise.
1835 (error_with_line): Likewise.
1836 (warning_with_line): Likewise.
1837 (pedwarn): Likewise.
1838 (pedwarn_with_line): Likewise.
1839 (pedwarn_with_file_and_line): Likewise.
1842 * cexp.y (error): Likewise.
1843 (pedwarn): Likewise.
1844 (warning): Likewise.
1846 * collect2.c (fatal_perror): Likewise.
1850 * combine.c (gen_rtx_combine): Likewise.
1852 * cpperror.c (cpp_message): Likewise.
1853 (cpp_fatal): Likewise.
1855 * cpplib.c (cpp_error): Likewise.
1856 (cpp_warning): Likewise.
1857 (cpp_pedwarn): Likewise.
1858 (cpp_error_with_line): Likewise.
1859 (cpp_warning_with_line): Likewise.
1860 (cpp_pedwarn_with_line): Likewise.
1861 (cpp_pedwarn_with_file_and_line): Likewise.
1863 * cpplib.h: Don't define PARAMS() macro.
1865 * demangle.h: Likewise.
1867 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1868 when deciding whether to use ANSI variable args.
1870 * emit-rtl.c (gen_rtx): Likewise.
1871 (gen_rtvec): Likewise.
1873 * final.c (asm_fprintf): Likewise.
1875 * fix-header.c (cpp_message): Likewise.
1877 (cpp_fatal): Likewise.
1879 * gcc.c (concat): Likewise.
1883 * genattr.c (fatal): Likewise.
1885 * genattrtab.c (attr_rtx): Likewise.
1886 (attr_printf): Likewise.
1889 * gencodes.c (fatal): Likewise.
1891 * genconfig.c (fatal): Likewise.
1893 * genemit.c (fatal): Likewise.
1895 * genextract.c (fatal): Likewise.
1897 * genflags.c (fatal): Likewise.
1899 * genopinit.c (fatal): Likewise.
1901 * genoutput.c (fatal): Likewise.
1904 * genpeep.c (fatal): Likewise.
1906 * genrecog.c (fatal): Likewise.
1908 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1909 deciding whether to declare `tree_node' and `rtx_def'.
1911 * hash.h: Don't define stuff we get from gansidecl.h.
1913 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1914 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1915 whether to use ANSI variable args.
1918 * prefix.c (concat): Likewise.
1922 * system.h: Likewise.
1924 * toplev.c (error_with_file_and_line): Likewise.
1925 (error_with_decl): Likewise.
1926 (error_for_asm): Likewise.
1929 (warning_with_file_and_line): Likewise.
1930 (warning_with_decl): Likewise.
1931 (warning_for_asm): Likewise.
1932 (warning): Likewise.
1933 (pedwarn): Likewise.
1934 (pedwarn_with_decl): Likewise.
1935 (pedwarn_with_file_and_line): Likewise.
1937 (really_sorry): Likewise.
1939 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1940 whether to declare `tree_node' and `rtx_def'.
1942 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1943 deciding whether to use ANSI variable args.
1944 (build_nt): Likewise.
1945 (build_parse_node): Likewise.
1947 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1949 * version.c: Bump for snapshot.
1951 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1953 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1955 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1957 * collect2.c (main, case 'b'): Use else if.
1959 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1961 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1962 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1963 before the config/ directory headers.
1964 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1965 gansidecl.h in the list of dependencies.
1967 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1968 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1969 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1970 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1971 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1972 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1975 * cccp.c: Don't include gansidecl.h.
1977 * collect2.c: Likewise.
1978 * config/c4x/c4x.c: Likewise.
1979 * config/v850/v850.h: Likewise.
1980 * cppalloc.c: Likewise.
1981 * cpperror.c: Likewise.
1982 * cppexp.c: Likewise.
1983 * cppfiles.c: Likewise.
1984 * cpphash.c: Likewise.
1985 * cpplib.c: Likewise.
1986 * cppmain.c: Likewise.
1987 * cppulp.c: Likewise.
1988 * demangle.h: Likewise.
1989 * doprint.c: Likewise.
1990 * dyn-string.c: Likewise.
1991 * eh-common.h: Likewise.
1992 * fix-header.c: Likewise.
1993 * frame.c: Likewise.
1996 * gen-protos.c: Likewise.
1997 * gencheck.c: Likewise.
1998 * halfpic.h: Likewise.
2000 * machmode.h: Likewise.
2001 * mbchar.c: Likewise.
2002 * prefix.c: Likewise.
2003 * protoize.c: Likewise.
2004 * recog.h: Likewise.
2006 * scan-decls.c: Likewise.
2008 * varray.h: Likewise.
2010 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
2012 * i386.md (call_value_pop): If we're not popping anything,
2013 defer to call_value.
2014 (call_pop): Likewise defer to call.
2016 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
2018 * function.c (purge_addressof): Clear purge_addressof_replacements
2019 only after processing the whole function.
2021 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
2023 * reload1.c (reload): If we can not perform a particular elimination
2024 when we thought we could earlier, then we must always iterate through
2025 the loop at least one more time.
2027 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
2029 * alpha.c (add_operand): Simplify the CONST_INT match.
2030 (sext_add_operand): Correct typo in comparison by using
2031 CONST_OK_FOR_LETTER_P.
2032 * alpha.md (s?addq): Use sext_add_operand to allow the negative
2033 constant alternatives to be generated.
2034 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
2035 small constants, since the hw instructions do.
2037 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2039 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
2040 previous insn to store directly into our reload register, make sure
2041 that if the source of the previous insn is a reload register, its
2042 spill_reg_store and spill_reg_stored_to values are cleared.
2044 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
2046 * rs6000.md (floatunssidf2_internal splitter): Use base register
2047 operand, not hard-coded SP.
2049 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2051 * jump.c (calculate_can_reach_end): Fix thinko.
2053 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
2055 * reorg.c (fill_simple_delay_slots): Fix typo.
2057 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
2059 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
2061 * i386.md (extendsidi2): Use # in the output template.
2062 (extendsidi splitters): New splitters.
2064 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
2066 * configure.in: Use unknown-elf.h as tm_file for arm-elf
2068 * configure: Regenerate.
2070 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2072 * jump.c (init_label_info, delete_barrier_successors,
2073 mark_all_labels, delete_unreferenced_labels,
2074 delete_noop_moves, calculate_can_reach_end): New functions broken
2075 out of jump_optimize.
2076 (jump_optimize): Use them.
2078 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2080 * except.c (expand_fixup_region_end): Make sure outer context labels
2081 are not issued in an inner context during cleanups.
2083 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
2085 * alpha.md (addsi3, subsi3): No new temporaries once cse is
2088 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
2090 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
2091 to expose this midpoint to CSE.
2093 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2095 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
2097 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2099 * configure.in: Bring over gcc2 change of Nov 19 1997.
2101 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
2103 * toplev.c (output_lang_identify): Make definition dependent on
2104 ASM_IDENTIFY_LANGUAGE.
2106 * print-rtl.c (spaces): Make static.
2108 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2110 * extend.texi: Clarify proper uses for register clobbers in asms.
2112 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2114 * recog.h (enum op_type): Define.
2115 (constrain_operands): Adjust prototype.
2116 (recog_op_type): Declare new variable.
2117 * recog.c (recog_op_type): New variable.
2118 (insn_invalid_p): Allow modifying an asm statement after reload.
2119 (extract_insn): Set up recog_op_type.
2120 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2121 Don't compute operand types, use recog_op_type.
2122 Use the information computed by extract_insn instead of the previous
2123 method of finding it by insn code number.
2124 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2125 * reorg.c (fill_slots_from_thread): Likewise.
2126 * reload1.c (reload_as_needed): Likewise.
2127 (gen_reload): Likewise.
2128 (inc_for_reload): Likewise.
2129 (reload_cse_simplify_operands): Likewise.
2130 Use the information computed by extract_insn instead of the previous
2131 method of finding it by insn code number.
2132 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2134 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2135 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2136 Use the information computed by extract_insn instead of the previous
2137 method of finding it by insn code number.
2138 * regmove.c (find_matches): Likewise. Change meaning of the return
2139 value to be nonzero if the optimization can be performed, zero if
2140 not. All callers changed.
2141 Shorten some variable names to fix formatting problems.
2142 (regmove_optimize): Shorten some variable names to fix formatting
2144 Use the information computed by extract_insn instead of the previous
2145 method of finding it by insn code number.
2146 * regclass.c (scan_one_insn): Likewise.
2147 (record_reg_classes): Don't compute operand types, use recog_op_type.
2148 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2149 recog_constraints instead.
2151 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2153 * rtl.h (flow2_completed): Declare.
2154 * flow.c (flow2_completed): Definition.
2155 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2158 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2160 * Makefile.in (libcpp.a): Ranlib libcpp.a
2162 * cppulp.c (user_label_prefix): Initialize.
2164 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2166 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2167 at a RETURN if current_function_sp_is_unchanging is set.
2169 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2171 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2173 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2175 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2176 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2177 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2178 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2179 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2180 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2182 (LIB_SPEC): Handle -mno-cyginw option.
2183 (LINK_SPEC): Handle -mdll.
2185 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2187 * reload.c (find_reloads): Fix test for usage by other reload
2188 to handle secondary reloads properly.
2190 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2192 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2193 intermediate structure which has exactly the members provided by
2194 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2195 static intermediate structure.
2197 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2198 from the intermediate structure. Do the same analogous fix in
2199 the case where ELIMINABLE_REGS is not defined.
2201 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2203 * pa.h (SELECT_SECTION): Fix thinko.
2205 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2207 * dwarf2out.c (output_call_frame_info): Comments on last change.
2209 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2211 * arm.c (add_constant): When taking the address of an item in the
2212 pool, get the mode of the item addressed.
2214 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2215 contain a SET or a PARALLEL, don't consider it for conditional
2218 Restore ABI compatibility for NetBSD.
2219 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2221 (RETURN_IN_MEMORY): Likewise.
2223 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2225 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2226 (m32r_output_block_move): Rewrite bytes < 4 handling.
2228 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2230 * configure.in: Call AC_FUNC_VFORK.
2232 * collect2.c: Define VFORK_STRING as a printable string for
2233 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2234 defined, include vfork.h. If VMS is defined, define vfork()
2235 appropriately. Remove vfork check on USG, we're using autoconf.
2236 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2237 checking locally what string to pass.
2238 (scan_prog_file): Likewise.
2239 (scan_libraries): Likewise.
2241 * gcc.c: Remove vfork check on USG, we're using autoconf.
2242 Besides, no calls to vfork/fork occur in this file.
2244 * protoize.c: Likewise.
2246 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2248 * configure.in (DEFAULT_LINKER): renamed from LD
2249 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2250 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2251 * configure: rebuilt
2253 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2255 * BUGS: fix the regexp for `more' to find the appropriate node.
2256 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2258 * BUGS: added link to the WWW FAQ
2260 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2262 * version.c: Bump for snapshot.
2264 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2266 * From Christian Gafton:
2267 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2268 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2269 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2271 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2273 * c-common.c (c_get_alias_set): Allow all type-punning through
2274 unions. Don't get confused about the type of a bit-field, despite
2275 the antics of build_modify_expr.
2277 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2279 * fixinc.sco: Paramaterize #include_next values.
2280 * fixinc/fixinc.sco: Likewise.
2282 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2284 * toplev.c (rest_of_compilation): No longer set reload_completed.
2285 * reload1.c (reload): Set it here. Perform instruction splitting
2286 after reload has completed if we will be running the scheduler
2289 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2291 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2292 EH region if exceptions are enabled and we're performing cross
2294 (find_cross_jump): Exit loop if the insns are in different EH regions.
2296 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2298 * dwarf2out.c (output_call_frame_info): Use
2299 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2301 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2303 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2304 * c-common.c (check_format_info): Don't check for the 'x'
2305 format character twice, instead check for 'x' and 'X'
2307 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2309 * configure.in (assembler features): Also make gas is configured if
2310 we find it in the souce tree.
2312 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2314 * i386.c (i386_comp_type_attributes): Compare whether the
2315 attributes are defined, not their tree nodes.
2317 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2319 * configure.in (gxx_include_dir): bitten by autoconf quoting
2321 * configure: rebuilt
2323 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2325 * configure.in: Ignore non-absolute value in $AS.
2327 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2329 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2331 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2333 * configure.in (msdosdjgpp): Set exeext and target_alias.
2335 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2337 * flow.c (XNMALLOC): New macro.
2338 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2340 (add_edge, add_edge_to_label): New static functions.
2341 (free_bb_memory): New function.
2342 (flow_delete_insn): Delete function.
2343 (basic_block_drops_in): Delete variable.
2344 (find_basic_blocks): Allocate and initialize basic_block_head,
2345 basic_block_succ. Don't allocate basic_block_drops_in.
2346 Call free_bb_memory at the beginning.
2347 (find_basic_blocks_1): Don't do multiple passes.
2348 Delete code to compute basic_block_drops_in.
2349 After calling make_edges, mark blocks reached by current block live.
2350 Update test for unreachable live blocks.
2351 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2353 Simplify to call add_edge_to_label when a LABEL_REF is found.
2354 (make_edges): Simplify to call add_edge_to_label instead of
2355 mark_label_ref most of the time.
2356 Compute here whether control drops into the next block.
2357 (delete_unreachable_blocks): Return void. All callers changed.
2358 Delete unreachable blocks in reverse order.
2359 After deleting all unreachable blocks, renumber the remaining ones
2360 and update n_basic_blocks.
2361 (delete_block): Speed up deletion a bit.
2362 Don't set basic_block_drops_in for deleted blocks.
2363 (free_basic_block_vars): Don't free basic_block_drops_in.
2364 (life_analysis_1): Update to use new edge representation.
2365 (dump_flow_info): Delete code to print basic block info; call
2366 dump_bb_data instead.
2367 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2368 and uid_block_number.
2369 Simply copy the previously computed cfg.
2370 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2371 Print register lifetime information if LIVE_INFO is nonzero.
2372 * basic-block.h (dump_bb_data): Adjust prototype.
2373 * gcse.c (gcse_main): Update call to dump_bb_data.
2374 * rtl.h (free_bb_memory): Declare.
2375 * toplev.c (rest_of_compilation): Call free_bb_memory.
2377 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2378 (update_eliminable_offsets): Don't compute it.
2379 (set_initial_elim_offsets): Don't initialize it.
2380 Break out some code into set_initial_label_offsets so the rest of
2381 this function can be called from reload_as_needed.
2382 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2383 ELIMINABLE_REGS isn't.
2384 (set_initial_label_offsets): New function, broken out of
2385 set_initial_elim_offsets.
2386 (set_offsets_for_label): New function, broken out of set_label_offsets
2387 and reload_as_needed.
2388 (reload): Call the two new functions.
2389 (reload_as_needed): Call set_initial_elim_offsets instead of
2390 duplicating the code. Likewise for set_offsets_for_label.
2392 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2393 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2394 any hard reg, reg_reloaded_dead contains valid data.
2396 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2398 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2399 "stdcall" and "cdecl" attributes.
2401 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2403 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2404 handle deleted no-op moves of hard registers.
2405 * haifa-sched.c (update_flow_info): Likewise.
2407 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2409 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2410 of the sequences to reload the HILO register which do not actually
2413 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2415 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2417 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2419 * except.c (emit_eh_context): Make the EH context register stay alive
2420 at -O0 so stupid.c doesn't get confused.
2422 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2424 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2426 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2427 Jeffrey A Law (law@cygnus.com)
2429 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2430 (zero_extendsidi2): Use # in output template and handle completely by
2432 (zero_extend splitters): New define_splits.
2433 (ashiftrt_32): New pattern.
2435 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2437 * tree.c (append_random_chars): New fn.
2438 (get_file_function_name_long): Use it.
2440 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2442 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2443 (LIBCPP_OBJS): New. Add cppulp.o.
2444 (cppmain, fix-header): Depend on and use libcpp.a.
2445 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2446 of the individual object files.
2447 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2450 * cccp.c (user_label_prefix): New.
2451 (main): Set it off -f*leading-underscore.
2452 (special_symbol): Use it.
2453 * cpplib.c (special_symbol): Likewise.
2454 (cpp_handle_option): Handle -f*leading-underscore.
2455 * cppulp.c: New file.
2457 * output.h (user_label_prefix): Declare it.
2458 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2459 * toplev.c (f_options, main): Handle -f*leading-underscore.
2461 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2462 referencing USER_LABEL_PREFIX directly.
2463 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2464 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2465 * final.c (asm_fprintf): Use user_label_prefix instead.
2466 * arm/thumb.c (thumb_print_operand): Likewise.
2468 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2469 cpp wherever appropriate.
2471 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2473 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2474 specific compiler switches.
2476 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2478 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2481 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2483 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2484 structure which has exactly the members provided by EXTRA_SPECS.
2485 Xmalloc() the real `extra_specs', and initialize it from this
2486 intermediate structure.
2488 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2490 * mips.h (EXTRA_SPECS): Likewise.
2492 * sparc.h (EXTRA_SPECS): Likewise.
2494 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2496 * function.c (purge_addressof_1): Instead of aborting when a
2497 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2498 work just put the ADDRESSOF on stack. Otherwise remember all such
2499 successfull replacements, so that exactly the same replacements
2500 can be made on the REG_NOTEs. Remove the special case for CALL
2502 (purge_addressof_replacements): New variable.
2503 (purge_addressof): Clear it at end.
2505 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2507 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2508 (lang_init): Call check_newline always.
2509 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2510 cpp_start_read, set yy_cur and yy_lim to read from
2511 parse_in.token_buffer, so that we'll see the first #line
2513 * cpplib.c (cpp_start_read): finclude the main input file
2514 before processing -include/-imacros. Process -imacros and
2515 -include separately, and handle -include by stacking a
2516 buffer for the file in question as if it'd been #included.
2517 * toplev.c (documented_lang_options) Recognize -H when
2520 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2522 * cpplib.c: Merge do_once into do_pragma. Break file handling
2523 code out of do_include.
2524 Move append_include_chain, deps_output,
2525 file_cleanup, redundant_include_p, import_hash,
2526 lookup_import, add_import, read_filename_string, read_name_map,
2527 open_include_file, finclude, safe_read to cppfiles.c.
2528 Move prototypes for deps_output, append_include_chain,
2529 finclude to cpplib.h. Move definition of struct
2530 file_name_list there also.
2532 * cppfiles.c: New file. Contains all the above functions
2533 broken out of cpplib.c; also hack_vms_include_specification
2534 from cccp.c and find_include_file, a new function broken out of
2537 * Makefile.in (cppmain): Depend on cppfiles.o.
2538 (fix-header): Likewise.
2539 (cppfiles.o): New target.
2540 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2541 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2543 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2545 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2546 if pending_types is non-zero.
2547 (dwarfout_finish): Verify pending_types is zero before finishing.
2549 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2551 * expr.c (convert_move): Use shifts to perform the move if a
2552 suitable extend pattern cannot be found. Code written by
2553 Richard Henderson <rth@cygnus.com>.
2555 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2557 * regclass.c (renumber, regno_allocated): New static variables, moved
2558 out of allocate_reg_info.
2559 (allocate_reg_info): Move these two variables outside the function.
2560 Move code to free memory into new function free_reg_info.
2561 (free_reg_info): New function, broken out of allocate_reg_info.
2562 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2563 * rtl.h (allocate_reg_info): Don't declare.
2564 (free_reg_info): Declare.
2566 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2568 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2570 * toplev.c (compile_file): Temporarily revert last change.
2572 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2574 * c-typeck.c (convert_for_assignment): Parenthesize.
2576 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2578 * reload1.c (delete_output_reload): Avoid ambigous else.
2580 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2582 * toplev.c (compile_file): Call allocate_reg_info to free register
2584 * rtl.h (allocate_reg_info): Declare.
2586 * PROJECTS: Remove entry for local spilling.
2588 * final.c (cleanup_subreg_operands): New function.
2589 (final_scan_insn): Use it.
2590 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2592 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2593 operands when reload has finished.
2594 * reload.h (cleanup_subreg_operands): Declare..
2595 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2596 reload. Handled in reload itself.
2598 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2600 * reload1.c (verify_initial_offsets): New function.
2601 (reload): Call it after reload_as_needed. Also verify that the frame
2602 size stays constant during reload_as_needed.
2603 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2605 * reload.h (struct insn_chain): Add need_operand_change element.
2606 * reload1.c (new_insn_chain): Clear it.
2607 (calculate_needs_all_insns): Set it; don't overload need_reload.
2608 (reload_as_needed): Use it.
2610 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2611 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2612 and reload_address_index_reg_class.
2613 (find_reloads_address_1): Likewise.
2614 * reload.h (reload_address_base_reg_class,
2615 reload_address_index_reg_class): Don't declare.
2616 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2617 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2618 (used_spill_regs): Now static.
2619 (reload_address_base_reg_class, reload_address_index_reg_class,
2620 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2621 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2622 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2625 (init_reload): Delete code to compute base/index reg classes.
2626 (reload): Delete variable J.
2627 Delete code to manage basic_block_needs.
2628 Don't compute regs_explicitly_used.
2629 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2630 pseudo_previous_regs.
2631 Initialize bad_spill_regs_global.
2632 Don't call order_regs_for_reload here.
2633 Don't initialize spill_reg_order and n_spills.
2634 Don't forbid explicitly used regs to be used for spill regs.
2635 Change main loop to infinite loop, with explicit break statements.
2636 Make SOMETHING_CHANGED variable local to that loop.
2637 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2638 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2639 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2641 Don't call dump_needs.
2642 Delete code to reset potential_reload_regs.
2643 Delete code to terminate loop conditional on the global needs variables
2644 showing no further needs.
2645 (calculate_needs_all_insns): Return void. All callers changed.
2646 Initialize somehing_needs_elimination here, not in reload.
2647 Delete avoid_return_reg kludge.
2648 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2649 All callers changed.
2650 Initialize the group_mode and group_size elements of the arg CHAIN.
2651 Delete code to manage basic_block_needs.
2652 Operate on elements of CHAIN instead of global variables.
2653 Delete avoid_return_reg kludge.
2654 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2655 All callers changed.
2656 Operate on elements of CHAIN instead of global variables.
2657 Delete special SMALL_REGISTER_CLASSES code.
2658 Delete spill_failure code; now in new_spill_reg.
2659 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2660 All callers changed.
2661 Operate on elements of CHAIN instead of global variables.
2662 (maybe_mark_pseudo_spilled): New static function.
2663 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2664 All callers changed.
2665 Operate on elements of CHAIN instead of global variables.
2666 Call order_regs_for_reload here, not in reload.
2667 Initialize spill_reg_order and n_spills.
2668 Simplify test whether an asm insn is involved.
2669 Delete spill_failure code; now in new_spill_reg.
2670 Call maybe_mark_pseudo_spilled for everything marked as live in
2671 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2673 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2674 compiler from optimizing this function (now unused) away.
2675 Operate on elements of CHAIN instead of global variables.
2676 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2678 Operate on elements of CHAIN instead of global variables.
2679 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2680 take CHAIN arg. All callers changed.
2681 Operate on elements of CHAIN instead of global variables.
2682 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2683 CHAIN, NONGROUP args. Return void. All callers changed.
2684 Verify caller isn't trying to spill a pseudo.
2685 Simplify test for illegal reg, just use bad_spill_regs.
2686 Generate better error messages.
2687 Operate on elements of CHAIN instead of global variables.
2688 Mark spilled register in CHAIN's used_spill_regs element.
2689 Don't call spill_hard_reg.
2690 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2691 Mark spilled hard regs in bad_spill_regs_global.
2692 Mark affected pseudos in spilled_pseudos, but don't spill them.
2693 (ior_hard_reg_set): New static function.
2694 (finish_spills): Return int. All callers changed.
2695 Compute spill_reg_order, n_spills and spill_regs here. Also update
2696 regs_ever_live for regs used as spills.
2697 For every pseudo in spilled_pseudos, spill it and mark the previous
2698 hard reg it had in pseudo_previous_regs. Compute which hard regs
2699 arseudo): New static function.
2700 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2701 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2702 hard registers explicitly used across the current insn into the set.
2703 Compute hard_reg_n_uses taking only pseudos live across this insn
2705 Tweak sorting of potential_reload_regs.
2706 (compare_spill_regs): Delete function.
2707 (reload_as_needed): Don't sort the spill_regs array, it's computed
2708 in proper order in finish_spills.
2709 Delete avoid_return_reg kludge.
2710 Delete code to manage basic_block_needs.
2711 (allocate_reload_reg): Minor speed/readability tweaks.
2712 Operate on elements of CHAIN instead of global variables.
2713 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2714 Delete avoid_return_reg kludge.
2715 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2716 Delete unused label FAIL.
2717 (reload_combine): Replce reload_address_index_reg_class with
2719 Don't use used_spill_regs to determine information about lifetime of
2722 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2724 * toplev.c (display_help): Ignore empty target specific
2725 options, and if -W is also specified on the command line then
2726 display undocumented options.
2728 * config/arm/arm.c: Updated with changes in devo sources.
2729 * config/arm/arm.h: Updated with changes in devo sources.
2730 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2731 * config/arm/lib1thumb.asm: Add ELF support.
2733 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2735 * collect2.c (aix64_flag): New variable.
2736 (main, case 'b'): Parse it.
2737 (GCC_CHECK_HDR): object magic number must match mode.
2738 (scan_prog_file): Only check for shared object if valid header.
2739 Print debugging if header/mode mismatch.
2741 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2743 Added support for arm-elf-linux configuration, submitted by Philip
2744 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2745 code developed by Catherine Moore <clm@cygnus.com>. The following
2748 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2751 * configure: Regenerated.
2753 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2754 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2755 definitions conditional on their not having been already defined.
2757 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2758 and .type directives, and add "(PLT)" qualification to function
2761 * config/arm/linux.h: Deleted. This file is now superceeded by
2762 either linux-elf.h or linux-aout.h.
2764 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2765 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2767 Move definitions from old linux.h file here.
2769 * config/arm/elf.h: New file. Generic ARM/ELF support.
2771 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2773 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2775 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2776 using the 26bit APCS.
2778 * config/arm/unknown-elf.h: New file. Support for OS'es other
2779 than Linux with ELF.
2781 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2784 * config/arm/coff.h: Include aout.h for basic assembler macros.
2785 Add support for -mstructure_size_boundary=<n> command line option.
2787 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2788 command line option. Make macro definitions conditional on their
2789 not having been already defined.
2791 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2792 command line option.
2795 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2797 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2798 has been changed to not include a newline. Use this macro instead.
2799 (output_enumeral_list, const_value_attribute, name_attribute,
2800 comp_dir_attribute, prototyped_attribute, producer_attribute,
2801 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2802 dwarfout_file_scope_decl, generate_new_sfname_entry,
2803 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2804 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2806 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2808 * combine.c (subst): Process the inputs to a parallel asm_operands
2811 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2813 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2815 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2817 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2819 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2821 * version.c: Bump for snapshot.
2823 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2825 * stmt.c (expand_fixup): Set fixup->before_jump to a
2826 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2828 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2830 * Makefile.in (recog.o): Depend on toplev.h.
2831 (insn-emit.o): Depend on recog.h.
2832 (insn-peep.o): Depend on recog.h and insn-config.h.
2834 * combine.c (simplify_set): Remove unused variable `scratches'.
2836 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2837 and `idx' in macro conditional controlling their use.
2839 * genemit.c (main): Make the generated output file include
2840 recog.h. Don't have it declare `insn_operand_constraint', since
2841 we get it from recog.h.
2843 * genpeep.c (main): Make the generated output file include
2844 insn-config.h and recog.h.
2846 * recog.c: Include toplev.h.
2847 (extract_insn): Remove unused variable `p'.
2849 * regclass.c (fix_register): Add missing braces around initializer
2851 (allocate_reg_info): Move variable `i' into the scope where it is
2852 used. Change its type to `size_t'.
2854 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2856 * reload.c (push_reload): When merging reloads, make sure
2857 that reload_in_reg and reload_in are from the same reload in
2860 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2862 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2863 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2865 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2867 * loop.c (loop_has_tablejump): New variable.
2868 (prescan_loop): Scan for it.
2869 (insert_bct): Replace explicit scan with use of it.
2870 * regclass.c (regclass): Restore loop variable j.
2871 (record_reg_classes): Deterine op_types modifiers and initialize
2872 classes[i] before matching constraints. Handle matching
2875 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2877 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2880 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2882 * mips.h (EXTRA_SPECS): Add missing initializers.
2884 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2886 * sparc.h (EXTRA_SPECS): Add missing initializers.
2887 (sparc_defer_case_vector): Provide a prototype.
2889 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2890 comparing it to the result of a pointer subtraction.
2892 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2894 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2895 the argument to (unsigned char).
2897 * alpha.h (EXTRA_SPECS): Add missing initializers.
2898 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2901 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2903 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2904 (propagate_block): Delete dead code after reload.
2906 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2907 back Oct 15, 1998 change.
2908 * haifa-sched.c (update_flow_info): Likewise.
2909 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2911 * mn10200.md (truncated shift): Accept constant inputs too.
2913 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2915 * machmode.h (mode_mask_array): No longer const.
2916 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2918 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2920 * frame.c: Somewhat explain `FDE'.
2921 Suggested by Brendan Kehoe
2923 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2925 * expr.c (pending_chain): Move up.
2926 (save_expr_status): Do save pending_chain.
2927 (restore_expr_status): And restore it.
2928 * function.h (struct function): Add pending_chain.
2930 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2932 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2933 did not match the code.
2935 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2937 * regclass.c (regclass): Break out some code into new function
2938 scan_one_insn, and into regclass_init.
2939 (init_cost): New static variable, moved out of regclass.
2940 (regclass_init): Initialize it here, not in .
2941 (scan_one_insn): New static function, broken out of regclass.
2942 * recog.c (apply_change_group): Break out some code into new
2943 function insn_invalid_p.
2944 (insn_invalid_p): New static fn, broken out of apply_change_group.
2946 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2948 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2949 reg_reloaded_contents matches incremented pseudo.
2951 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2953 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2955 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2956 addressing modes with side effects. These are currently
2957 placeholders for the C4x target.
2959 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2961 * loop.c (express_from): Make sure that when generating a PLUS of
2962 a PLUS, any constant expression appears on the outermost PLUS.
2964 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2966 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2967 works if "$(srcdir)" != ".".
2969 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2971 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2972 existing SUBREG if we can, otherwise abort.
2974 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2976 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2977 `restrict' is applied to a non-pointer variable.
2979 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2981 * invoke.texi: Document -flang-isoc9x.
2983 * Makefile.in (OBJS): Add splay-tree.o.
2984 (c-common.o): Depend on rtl.h.
2985 (splay-tree.o): List dependencies and provide build rule.
2987 * rtl.h (record_alias_subset): New function.
2988 * alias.c: Include splay-tree.h.
2989 (alias_set_entry): New type.
2990 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2991 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2992 (mems_in_disjoin_alias_sets_p): New function.
2993 (alias_set_compare): Likewise.
2994 (insert_subset_children): Likewise.
2995 (get_alias_set_entry): Likewise.
2997 * tree.h (TYPE_RESTRICT): New macro.
2998 (TYPE_UNQUALIFIED): New manifest constant.
2999 (TYPE_QUAL_CONST): Likewise
3000 (TYPE_QUAL_VOLATILE): Likewise.
3001 (TYPE_QUAL_RESTRICT): Likewise.
3002 (tree_type): Add restrict_flag. Reduce count of free bits.
3003 (DECL_POINTER_ALIAS_SET): New macro.
3004 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
3005 (tree_decl): Add pointer_alias_set.
3006 (build_qualified_type): New function.
3007 (build_type_variant): Define in terms of build_qualified_type.
3008 * tree.c (set_type_quals): New function.
3009 (make_node): Initializae DECL_POINTER_ALIAS_SET.
3010 (build_type_attribute_variant): Use build_qualified_type and
3012 (build_type_variant): Rename, and modify, to become...
3013 (build_qualified_type): New function.
3014 (build_complex_type): Use set_type_quals.
3016 * c-tree.h (C_TYPE_OBJECT_P): New macro.
3017 (C_TYPE_FUNCTION_P): Likewise.
3018 (C_TYPE_INCOMPLETE_P): Likewise.
3019 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
3020 (c_apply_type_quals_to_decl): New function.
3021 (c_build_qualified_type): New function.
3022 (c_build_type_variant): Define in terms of c_build_qualified_type.
3023 (flag_isoc9x): Declare.
3024 * c-typeck.c (qualify_type): Use c_build_qualified_type.
3025 (common_type): Change to use TYPE_QUALS.
3026 (comptypes): Likewise.
3027 (convert_for_assignment): Likewise.
3028 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
3029 * c-decl.c (flag_isoc9x): Define.
3030 (c_decode_option): Handle -flang-isoc9x.
3031 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
3032 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
3033 * c-lex.c (init_lex): Deal with restrict.
3034 (init_lex): Don't treat restrict as a reserved word in
3035 -traditional mode, or without -flang-isoc9x.
3036 * c-lex.h (rid): Add RID_RESTRICT.
3037 * c-parse.gperf (restrict, __restrict, __restrict__): Make
3038 equivalent to RID_RESTRICT.
3039 * c-parse.in (TYPE_QUAL): Update comment.
3040 * c-common.c: Include rtl.h.
3041 (c_find_base_decl): New function.
3042 (c_build_type_variant): Rename, and modify, to become ...
3043 (c_build_qualified_type): New function.
3044 (c_apply_type_quals_to_decl): Likewise.
3045 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
3046 a particular alias set for the reference.
3047 * toplev.c (documented_lang_options): Add -flang-isoc9x.
3049 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
3051 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
3052 command line switches.
3054 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
3056 * reload.c (loc_mentioned_in_p): Add missing braces to bind
3059 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
3061 * gcc.c (option_map): Added --classpath and --CLASSPATH.
3063 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
3065 * regclass.c (fix_register): Add error message.
3066 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
3069 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3071 * c-decl.c (warn_missing_noreturn): New global variable.
3072 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
3073 (finish_function): Implement missing noreturn warning.
3075 * c-tree.h (warn_missing_noreturn): Declare extern.
3077 * invoke.texi: Document new flags.
3079 * toplev.c (documented_lang_options): Add description.
3081 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3083 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
3084 loop optimization stable for the C4x.
3085 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
3086 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
3087 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
3089 (c4x_address_conflict): Be more paranoid when packing a volatile
3090 memref in a parallel load/store.
3092 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3094 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
3095 repeat_block_filler): Deleted.
3096 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
3097 Condition code not set if destination register from 'c' class.
3098 (*subbqi3_carry_clobber): Fix typo.
3100 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3102 * reorg.c (steal_delay_list_from_target) Check for insns that
3103 modify the condition codes and effect the direction of the jump
3106 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3108 * function.c (purge_addressof_1): Replace call to
3109 emit_insns_before() with emit_insn_before().
3111 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3113 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3115 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3117 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3119 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3121 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3122 clobbered across calls.
3124 * loop.c (scan_loop): Be more selective about what invariants are
3125 moved out of a loop.
3127 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3129 * version.c: Bump for snapshot.
3131 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3133 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3134 static eh_context structure.
3136 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3138 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3140 (try_combine): Don't update max_scratch.
3141 * flow.c (max_scratch, num_scratch): Delete variables.
3142 (life_analysis_1): Don't initialize max_scratch.
3143 (propagate_block): Don't update max_scratch.
3144 (mark_set_1): Don't increment num_scratch.
3145 * regs.h (max_scratch): Delete declaration.
3147 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3149 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3150 is nonzero. This is temporary!
3152 * sched.c (update_flow_info): Handle death notes made invalid by
3153 instruction splitting. Partially reverts Oct 15, 1998 patch.
3154 * haifa-sched.c (update_flow_info): Likewise.
3156 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3158 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3159 if it has a nonzero DECL_INITIAL.
3161 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3163 * Makefile.in (flow.o): Depend on recog.h.
3165 * cpplib.h (directive_table): Add missing initializiers.
3166 (finclude): Change type of variable `bsize' to size_t.
3168 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3170 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3172 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3173 `int' when comparing against one.
3174 (cpp_file_line_for_message): Mark parameter `pfile' with
3176 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3178 * flow.c: Include recog.h.
3179 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3181 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3182 `f' with ATTRIBUTE_UNUSED.
3183 (reposition_prologue_and_epilogue_notes): Likewise.
3185 * genopinit.c (gen_insn): Cast argument of ctype functions to
3188 * haifa-sched.c: Include recog.h.
3189 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3190 comparing against one.
3192 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3194 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3196 (parse_ent): Likewise.
3197 (parse_input): Likewise.
3199 * optabs.c (init_libfuncs): Likewise.
3201 * protoize.c (find_rightmost_formals_list): Likewise.
3203 * recog.h (const_double_operand): Fix typo in prototype.
3205 * tlink.c (scan_linker_output): Cast the argument of ctype
3206 function to `unsigned char'.
3208 * toplev.c (check_lang_option): Cast the result of `strlen' to
3209 `int' when comparing against one.
3211 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3213 * gcse.c (dump_cuid_table): Correct typo.
3215 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3217 * toplev.c (display_help): Prepend '-m' to target specific
3219 (check_lang_option): Ignore text after end of first word of a
3220 language specific option.
3222 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3224 * reload1.c (reg_used_by_pseudo): New static variable.
3225 (choose_reload_regs): Initialize it.
3226 Use it instead of testing spill_reg_order to determine whether a
3227 pseudo is live in a hard register across the current insn.
3228 Fix a typo in a reference to reload_reg_rtx.
3230 * flow.c (propagate_block): Replace code that computes and uses
3231 regs_sometimes_live with simpler code that just walks the set of
3232 currently live registers.
3234 * Makefile.in (insn-extract.o): Fix dependencies.
3235 * genextract.c (main): Generate includes for insn-config.h and
3237 Delete generation of declarations which are now in recog.h.
3238 * genrecog.c (main): Delete generation of definitions which are
3240 * local-alloc.c (block_alloc): Use extract_insn and the variables
3241 it sets up instead of looking up values by insn_code.
3242 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3243 recog_dup_num): Define here instead of generating the definition in
3245 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3246 recog_operand_mode, recog_constraints, recog_operand_address_p):
3248 (extract_insn): New function.
3249 * recog.h (extract_insn): Declare function.
3250 (which_alternative, recog_n_operands, recog_n_dups,
3251 recog_n_alternatives, recog_operand_mode, recog_constraints,
3252 recog_operand_address_p): Declare variables.
3253 * regclass.c (n_occurrences): New static function.
3254 * reload.c (n_occurrences): Delete function.
3255 (find_reloads): Use extract_insn.
3256 * reload.h (n_occurrences): Delete declaration.
3258 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3260 * reload1.c (reload_as_needed): Fix test for when to call
3261 update_eliminable_offsets.
3263 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3265 Fix consistency problems with reg_equiv_{mem,address};
3266 Improve reload inheritance;
3268 * reload.c (reload_out_reg): New variable.
3269 (loc_mentioned_in_p, remove_address_replacements): New functions.
3270 (remove_replacements): Deleted.
3271 (push_reload): Set reload_out_reg[i].
3272 When merging, also set reload_{in,out}_reg[i], and remove
3273 duplicate address reloads.
3274 (combine_reloads): Copy reload_out_reg[i].
3275 (find_reloads): Do make_memloc substitution also when
3276 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3278 Include *recog_operand_loc in commutativity operand changes.
3279 Generate optional output reloads.
3280 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3281 processing operands. Call make_memloc in reg_equiv_address code.
3282 Set *recog_operand_loc only after processing operands, and only
3283 if replace is true. Return a value.
3284 When changing address reload types for operands that didn't get
3285 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3286 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3287 Don't emit USEs for pseudo SUBREGs when not replacing.
3288 (find_reloads_address): Do make_memloc substitution also when
3289 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3291 (find_reloads_toplev): Likewise.
3292 Call make_memloc in reg_equiv_address code.
3293 (debug_reload_to_stream): Add code to output reload_out_reg.
3294 (make_memloc): Delete local variable i, ifdefed out code, and
3295 references to memlocs and n_memlocs.
3296 (memlocs, n_memlocs): Delete.
3297 (push_secondary_reload): Clear reload_out_reg.
3298 (find_reloads_address_1): Provide memrefloc argument to all calls
3299 to find_reloads_address.
3300 In AUTO_INC code, handle non-directly addressable equivalences properly.
3301 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3302 (find_reloads): Add return type.
3303 (remove_address_replacements, deallocate_reload_reg): Declare.
3304 * reload1.c (num_not_at_initial_offset): No longer static.
3305 (delete_address_reloads, delete_address_reloads_1): Likewise.
3306 (deallocate_reload_reg): New function.
3307 (spill_reg_stored_to): New array.
3308 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3309 (eliminate_regs_in_insn): Move assignments of previous_offset and
3310 max_offset fields, and recalculation of num_not_at_initial_offset
3311 into new static function:
3312 (update_eliminable_offsets) .
3313 (reload_as_needed): Call update_eliminable_offsetss after calling
3315 Call forget_old_reloads_1 with contents of reloaded auto_inc
3316 expressions if the actual addressing can't be changed to match the
3318 (choose_reload_regs): For inheritance, replace
3319 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3320 remove stand-alone reload_reg_used_at_all test.
3321 Use reload_out_reg to determine which reload regs have output reloads.
3322 Treat reload_override_in more similar to inherited reloads.
3323 Handle (subreg (reg... for inheritance.
3324 For flag_expensive_optimizations, add an extra pass to remove
3325 unnecessary reloads from known working inheritance.
3326 Delete obsolete code for pseudos replaced with MEMs.
3327 Handle inheritance from auto_inc expressions.
3328 (emit_reload_insns): If reload_in is a MEM, set OLD to
3330 Don't reload directly from oldequiv; if it's a pseudo with a
3331 stack slot, use reload_in[j].
3332 Check that reload_in_reg[j] is a MEM before replacing reload_in
3333 from reg_reloaded_contents.
3334 Include non-spill registers in reload inheritance processing.
3335 Also try to use reload_out_reg to set spill_reg_store /
3336 reg_last_reload_reg.
3337 In code to set new_spill_reg_store, use single_set to find out if
3338 there is a single set.
3339 Add code that allows to delete optional output reloads.
3340 Add code to allow deletion of output reloads that use no spill reg.
3341 At the end, set reload_override_in to oldequiv.
3342 Also call delete_output_reload if reload_out_reg is equal to old
3344 Add code to call delete_output_reload for stores with no matching load.
3345 Set / use spill_reg_stored_to.
3346 Handle case where secondary output reload uses a temporary, but
3347 actual store isn't found.
3348 When looking for a store of a value not loaded in order to call
3349 delete_output_reload, count_occurences should return 0 for no
3350 loads; but discount inherited input reloadill_reg_stored_to.
3351 Do checks for extra uses of REG. Changed all
3353 Use delete_address_reloads.
3354 (reload): Take return value of find_reloads into account.
3355 If a no-op set needs more than one reload, delete it.
3356 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3357 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3358 for the same operand.
3359 (clear_reload_reg_in_use): Check for other reloads that keep a
3361 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3362 RELOAD_FOR_OPADDR_ADDR.
3363 Take into account when an address address reload is only needed
3364 for the address reload we are considering.
3365 (count_occurrences): Use rtx_equal_p for MEMs.
3366 (inc_for_reload): Return instruction that stores into RELOADREG.
3367 New argument two, IN, and rtx. Changed all callers.
3368 (calculate_needs_all_insns, reload_as_needed):
3369 Don't clear after_call for a CLOBBER.
3370 Keep track of how many hard registers need to be copied from
3371 after_call, and don't clear after_call before we have seen
3372 that much copies, or we see a different instruction.
3374 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3376 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3377 after reload has completed.
3379 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3381 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3382 a macro name and the next token with a single blank if that whitespace
3383 is in a macro buffer and the next token is not '('.
3385 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3387 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3389 (skip_if_group): Ditto.
3390 (skip_to_end_of_comment): Ditto.
3392 (discard_comments): Ditto.
3393 (change_newlines): Ditto.
3395 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3397 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3399 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3401 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3402 (TARGET_OPTIONS): Add --help documentation.
3404 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3406 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3408 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3410 * fixinc/* Moved in from ../contrib directory in preparation
3411 for integrating it into the normal build process. In particular,
3412 fixinc/Makefile.in must be config-ed into the build directory
3413 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3414 ./configure.in will be "in the mail" momentarily.
3416 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3418 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3419 accidently walk into the free list. Comment how that can happen.
3420 (invalidate): Fix indentation.
3422 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3423 Jeffrey A Law (law@cygnus.com)
3425 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3426 reload. Never perform rescans of the insn chain after reload.
3427 (propagate_block): Do not delete insn or create new autoinc addressing
3430 * jump.c (jump_optimize): Unconditionally use the code that was
3431 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3432 * reload1.c (reload): When reloading is finished, delete all
3433 REG_DEAD and REG_UNUSED notes.
3434 (emit_reload_insns): Delete all code that was conditional on
3435 PRESERVE_DEATH_INFO_REGNO_P.
3436 (no_longer_dead_regs): Delete variable.
3437 (reload_cse_delete_death_notes): Delete function.
3438 (reload_cse_no_longer_dead): Delete function.
3439 (reload_cse_regs_1): Delete all code to handle deletion of death
3441 (reload_cse_noop_set_p): Likewise.
3442 (reload_cse_simplify_set): Likewise.
3443 (reload_cse_simplify_operands): Likewise.
3444 (reload_cse_move2add): Likewise.
3445 * reorg.c (used_spill_regs): Delete declaration.
3446 (max_label_num_after_reload): Delete declaration.
3447 (find_dead_or_set_registers): Don't assume that spill regs are
3448 dead at a CODE_LABEL.
3449 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3451 * sched.c (sched_analyze_insn): Likewise.
3452 (update_flow_info): Likewise.
3453 * haifa-sched.c (sched_analyze_insn): Likewise.
3454 (update_flow_info): Likewise.
3455 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3456 * toplev.c (max_label_num_after_reload): Delete variable.
3457 (rest_of_compilation): Don't set max_label_num_after_reload.
3458 Call life_analysis after reload_cse_regs if optimizing.
3459 * config/gmicro/gmicro.h: Delete comment referring to
3460 PRESERVE_DEATH_INFO_REGNO_P.
3461 * config/i386/i386.h: Likewise.
3462 * config/m88k/m88k.h: Likewise.
3463 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3464 * config/sh/sh.h: Likewise.
3466 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3468 * loop.c (strength_reduce): Restore marking bct_p as
3470 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3471 HAVE_decrement_and_branch_on_count.
3472 (small_data_operand): Remove TARGET_ELF condition for marking
3473 parameters ATTRIBUTE_UNUSED.
3475 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3477 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3478 (SELECT_SECTION): Resync with svr4.h.
3480 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3482 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3485 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3487 * c-pragma.c (handle_pragma_token): Test for null tree before
3488 dereferencing TREE_CODE.
3490 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3492 * config/c4x/c4x.c: Convert to use GEN_INT.
3493 (c4x_parallel_process): Rework to handle new repeat loop structure.
3495 * config/c4x/c4x.md: Convert to use GEN_INT.
3496 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3497 (decrement_and_branch_on_count): Likewise.
3499 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3500 loop.c has the desired functionality.
3501 (rc_reg_operand): New prototype.
3503 * config/c4x/t-c4x: Can now build all front ends.
3505 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3507 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3509 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3511 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3512 * config/t-rtems: Do not install assert.h -- use newlib's.
3514 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3516 * combine.c (combine_instructions): When finished, call init_recog.
3517 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3519 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3521 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3523 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3525 * cppalloc.c (memory_full): Mark function prototype with
3528 * demangle.h (collect_exit): Likewise.
3530 * fix-header.c (v_fatal, fatal): Likewise.
3532 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3535 * gcov.c (print_usage): Likewise.
3537 * genattr.c (fatal, fancy_abort): Likewise.
3539 * genattrtab.c (fatal, fancy_abort): Likewise.
3541 * gencodes.c (fatal, fancy_abort): Likewise.
3543 * genconfig.c (fatal, fancy_abort): Likewise.
3545 * genemit.c (fatal, fancy_abort): Likewise.
3547 * genextract.c (fatal, fancy_abort): Likewise.
3549 * genflags.c (fatal, fancy_abort): Likewise.
3551 * genopinit.c (fatal, fancy_abort): Likewise.
3553 * genoutput.c (fatal, fancy_abort): Likewise.
3555 * genpeep.c (fatal, fancy_abort): Likewise.
3557 * genrecog.c (fatal, fancy_abort): Likewise.
3559 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3560 __sjpopnthrow, __throw): Likewise.
3562 * objc/objc-act.c (objc_fatal): Likewise.
3564 * protoize.c (usage, aux_info_corrupted,
3565 declare_source_confusing): Likewise.
3567 * rtl.c (dump_and_abort): Likewise.
3569 * rtl.h (sets_cc0_p): Likewise.
3571 * toplev.c (float_signal, pipe_closed): Likewise.
3573 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3575 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3576 when generating the decision tree for the general case.
3578 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3579 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3581 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3583 * Makefile.in (sched.o): Depend on recog.h.
3585 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3586 (unsigned) when comparing against one.
3587 (find_base_value): Likewise.
3588 (record_base_value): Cast variable `regno' to (unsigned) when
3589 comparing against one. Cast the result of REGNO() macro to
3590 (unsigned) when comparing against one.
3591 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3593 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3594 variable where an unsigned index is needed.
3596 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3597 before comparing against one.
3599 * collect2.c: Add prototypes for functions `error', `fatal' and
3600 `fatal_perror'. Make these functions take variable arguments
3601 instead of faking it with a fixed number of args.
3602 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3605 * combine.c (can_combine_p): Mark parameter `pred' with
3607 (find_split_point): Cast variable `src' to (unsigned
3608 HOST_WIDE_INT) when comparing against one.
3609 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3610 (simplify_logical): Likewise.
3611 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3612 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3613 HOST_WIDE_INT) in shift.
3614 (simplify_and_const_int): Cast result of INTVAL() macro to
3615 `unsigned HOST_WIDE_INT' when comparing against one.
3616 (merge_outer_ops): Cast variable const0 to `unsigned
3617 HOST_WIDE_INT' when comparing against the result of
3618 GET_MODE_MASK() macro.
3619 (simplify_comparison): Likewise for variable `c0'. Cast variable
3620 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3621 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3622 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3623 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3624 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3625 comparing against one.
3626 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3628 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3629 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3630 (output_block_move): Cast `sizeof' expression to (int) when
3631 comparing against one.
3632 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3634 (save_restore_insns): Cast `base_offset' to `long' to match format
3635 specifier in fprintf.
3637 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3638 to `enum machine_mode'.
3640 * flow.c (life_analysis_1): Remove unused variable `insn'.
3642 * gcc.c (translate_options): Move variables `j' and `k' into the
3643 scope in which they are used. Change their types to `size_t'.
3644 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3645 (read_specs): Likewise.
3646 (process_command): Cast `sizeof' to (int) when comparing against one.
3647 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3648 (handle_braces): Cast both sides of `==' expression to `long' to
3649 ensure sign matching.
3650 (main): Cast variable `i' to `int' when comparing against one.
3652 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3653 int to size_t. Cast variable `i' to size_t when comparing against
3656 * genattrtab.c (convert_set_attr_alternative): Remove unused
3657 parameter `insn_code'. All callers changed.
3658 (convert_set_attr): Likewise.
3660 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3661 size_t when comparing against one. Likewise for variable `len'.
3663 * global.c (global_alloc): Cast variable `max_regno' to size_t
3664 when comparing against one. Likewise for variable `max_allocno'.
3666 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3668 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3669 `set' with ATTRIBUTE_UNUSED.
3670 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3673 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3674 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3675 (get_condition): Cast variable `const_val' to `unsigned
3676 HOST_WIDE_INT' when comparing against one. Cast unsigned
3677 expression to HOST_WIDE_INT when comparing against one.
3678 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3679 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3680 `unsigned' when comparing against one.
3682 * protoize.c (is_id_char): Change type of parameter `ch' to
3684 (munge_compile_params): Cast argument of ctype macro to (const
3686 (process_aux_info_file): Cast variable `aux_info_size' to int when
3687 comparing against one.
3688 (forward_to_next_token_char): Cast argument of ctype macro to
3689 `const unsigned char'.
3690 (edit_formals_lists): Likewise.
3691 (find_rightmost_formals_list): Likewise.
3692 (add_local_decl): Likewise.
3693 (add_global_decls): Likewise.
3694 (edit_fn_definition): Likewise.
3695 (do_cleaning): Likewise.
3696 (scan_for_missed_items): Likewise.
3697 (edit_file): Cast variable `orig_size' to (int) when comparing
3699 (main): Cast argument of ctype macro to `const unsigned char'.
3701 * recog.c (const_int_operand): Mark parameter `mode' with
3704 * regclass.c (record_reg_classes): Change type of variable `c' to
3705 `unsigned char'. Cast `char' array index to `unsigned char'.
3707 * reload.c (push_secondary_reload): Cast argument to
3708 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3710 * reload1.c (calculate_needs): Cast `char' array index to
3712 (set_label_offsets): Change type of variable `i' to unsigned int.
3713 Cast result of XVECLEN() macro to unsigned when comparing against
3715 (mark_not_eliminable): Change type of variable `i' to unsigned.
3716 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3717 when comparing against one.
3718 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3719 comparing against one.
3720 (choose_reload_regs): Hide unused label `fail'.
3721 (reload_cse_simplify_operands): Cast `char' array index to
3723 (reload_combine_note_store): Mark parameter `set' with
3724 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3726 (reload_cse_move2add): Remove unused variable `src2'.
3728 * sched.c: Include recog.h.
3729 (sched_note_set): Remove unused parameter `b'. All callers
3731 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3732 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3733 when comparing against one.
3735 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3736 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3737 comparing against one.
3739 * unroll.c (precondition_loop_p): Remove unused parameter
3740 `loop_end'. All callers changed.
3742 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3744 * reload1.c (maybe_fix_stack_asms): New static function.
3747 * reload.h (compute_use_by_pseudos): Declare.
3749 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3750 (something_needs_reloads): Delete variable.
3751 (finish_spills): New function.
3752 (compute_use_by_pseudos): New function.
3754 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3755 Use the reload_insn_chain instead of walking the rtl directly.
3757 (reload): Allocate and free spilled_pseudos.
3758 Ensure that all calls of spill_hard_reg are followed by a call to
3760 Use the insns_need_reload list instead of something_needs_reloads
3761 to find out if reload_as_needed must be called.
3762 Clear unused_insn_chains at the end.
3764 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3766 Delete code to keep track of current basic block.
3767 Walk reload_insn_chain instead of the rtl structure. Build the
3768 insns_need_reload chain.
3769 Remember which insns need reloading/elimination by setting the
3770 appropriate fields in struct insn_chain, not by putting modes on the
3773 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3774 arg INSN. All callers changed.
3775 Delete declaration of struct needs.
3776 Don't set something_needs_reloads.
3777 Record insn needs in the CHAIN argument.
3779 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3781 (reload_as_needed): Lose FIRST arg. All callers changed.
3782 Walk the reload_insn_chain instead of the rtx structure.
3783 Delete code to keep track of current basic block.
3784 Rename one of the NEXT variables to OLD_NEXT.
3786 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3788 (choose_reload_regs): Likewise.
3790 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3793 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3794 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3795 (hard_regs_live, hard_regs_need_restore): Delete variables.
3796 (n_regs_saved): Now static.
3797 (referenced_regs, this_insn_sets): New variables.
3799 (setup_save_areas): Restructure the code a bit.
3801 (restore_referenced_regs): Delete function.
3802 (mark_referenced_regs): New function, similar to the old
3803 restore_referenced_regs, but mark registers in referenced_regs.
3805 (clear_reg_live): Delete function.
3806 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3807 Only mark registers in this_insn_sets.
3809 (save_call_clobbered_regs): Rework this function to walk the
3810 reload_insn_chain instead of using the list of instructions directly.
3811 Delete code to keep track of register lives, compute live regs on the
3812 fly from information in the chain.
3813 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3814 then walk the set it computes and call insert_restore as appropriate.
3816 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3818 Restructure the code a bit. Test hard_regs_saved instead of
3819 hard_regs_need_restore.
3820 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3821 args. All callers changed.
3822 Restructure the code a bit. Use TO_SAVE to determine which regs to
3823 save instead of more complicated test.
3824 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3826 Create a new insn_chain structure for the new insn and place it
3829 * rtl.texi: Update documentation to reflect that reload no longer
3830 puts modes on the insns.
3832 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3834 * function.c (purge_addressof_1): Force the first argument of a
3835 CALL insn to memory.
3837 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3839 * rtl.h: Delete duplicate prototypes. Add some missing
3841 * rtlanal.c: (for_each_rtx): Formatting tweak.
3843 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3845 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3846 to be compatible with TI compiler.
3848 * Makefile.in (USER_H): Add va-c4x.h to definition.
3850 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3852 * function.c (purge_addressof_1): Fix typo in inequality: do
3853 bitfield optimization for equal mode sizes.
3854 * expmed.c (store_bit_field): Don't take subregs of subregs in
3855 the movstrict case. Tidy a potential problem in the multi-word case.
3856 (extract_bit_field): Likewise.
3858 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3860 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3862 Compute max_uid_for_flow by calling get_max_uid after the scan.
3863 (find_basic_blocks_1): Don't emit NOPs here.
3865 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3867 * alias.c (base_alias_check): Accept new args for the modes of the
3868 two references. Use them to determine if an AND can overlap. Update
3870 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3871 to determine if an AND can overlap.
3873 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3875 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3876 check. Add comment to document problems with TARGET_SUN_FPA version
3878 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3880 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3882 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3884 * c-common.c (print_char_table): Add missing initializers.
3885 (scan_char_table): Likewise.
3886 (time_char_table): Likewise.
3888 * c-decl.c (c_decode_option): Mark parameter `argc' with
3890 (declare_parm_level): Mark parameter `definition_flag' with
3893 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3894 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3897 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3899 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3901 (expand_call): Cast result of MIN() to (unsigned int) when
3902 comparing against an unsigned value.
3904 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3906 (make_definition): Remove unused parameter `op'. All callers
3908 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3909 comparing against the result of pointer arithmetic.
3911 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3912 when comparing against one.
3914 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3915 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3917 (output_die): Move variable `i' into the scope in which it is
3918 used. Change its type to `unsigned'.
3919 (output_die): Cast the result of `strlen' to (int) when passing it
3920 to ASM_OUTPUT_ASCII().
3921 (output_pubnames): Likewise.
3922 (output_line_info): Likewise.
3924 * emit-rtl.c (global_rtl): Add missing initializers.
3926 * explow.c (promote_mode): Mark parameter `for_call' with
3929 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3930 `unsigned HOST_WIDE_INT' when comparing against one.
3931 (synth_mult): Change type of variable `cost' to int.
3932 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3934 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3935 when comparing against one.
3936 (get_inner_reference): Change variable `alignment' to unsigned.
3937 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3938 int) when comparing against one.
3939 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3941 * fold-const.c (div_and_round_double): Cast BASE to
3942 (HOST_WIDE_INT) when comparing against one.
3944 * gencheck.c: Include gansidecl.h.
3945 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3947 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3948 `tcode' with ATTRIBUTE_UNUSED.
3950 * real.c (edivm): Cast constant value to (unsigned long) in
3951 expression compared against an unsigned value.
3953 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3954 comparing against one.
3955 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3956 when comparing against one.
3958 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3959 (unsigned int) when comparing against one. Likewise for
3961 (smallest_mode_for_size): Likewise.
3962 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3963 (restore_storage_status): Likewise.
3965 * toplev.c (debug_args): Add missing initializer.
3966 (f_options): Spelling correction. Add missing initializers.
3967 (documented_lang_options): Likewise.
3968 (debug_end_source_file): Mark parameter `lineno' with
3971 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3972 `decl' and `type' with ATTRIBUTE_UNUSED.
3974 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3975 when comparing against one.
3976 (assemble_variable): Mark parameter `top_level' with
3978 (assemble_external_libcall): Mark parameter `fun' with
3980 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3983 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3985 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3986 Replace use of r5 with use of r19.
3988 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3990 * config/v850/v850.c (compute_register_save_size): Allow for the
3991 fact that helper functions save all registers, not just those used
3994 Replace constant 31 with macro LINK_POINTER_REGNUM.
3996 * config/v850/v850.md: Use 'indirect_operand' rather than
3997 'memory_operand' for bit test/set/clear patterns.
3999 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
4001 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
4002 * varasm.c (assemble_start_function et al): Don't call
4003 ASM_GLOBALIZE_LABEL for weak symbols.
4005 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
4007 * cse.c (equiv_constant): Check for NULL return from
4008 gen_lowpart_if_possible().
4010 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
4012 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
4014 * collect2.c (main): Pass -EL/-EB through to the compiler.
4016 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4018 * expr.c (push_block): Handle targets where the stack grows
4019 to higher addresses, but args grow to lower addresses and
4020 ACCUMULATE_OUTGOING_ARGS is not defined.
4022 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
4024 * config/v850/v850.c (print_operand): Extend meaning
4025 of 'c' operands to support .vtinherit.
4027 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4029 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
4030 Added ATTRIBUTE_UNUSED to unused function arguments.
4031 (rc_reg_operand): New predicate.
4032 (c4x_rptb_insert): New function.
4033 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
4034 (c4x_optimization_options): New function.
4036 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
4037 (decrement_and_branch_on_count): New pattern.
4038 (rptb_top): Modified pattern to work with BCT optimization.
4040 * config/c4x/c4x.h (RC_REG): New register class.
4041 (rc_reg_operand): Define prototype.
4042 (IS_RC_REG): New macro.
4043 (IS_RC_OR_PSEUDO_REG): New macro.
4044 (IS_RC_OR_PSEUDO_REGNO): New macro.
4045 (OPTIMIZATION_OPTIONS): Define.
4047 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
4049 * collect2.c (extract_init_priority): No priority is 65535.
4051 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4053 * Makefile.in (build_tooldir): new variable, same as old
4054 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
4055 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
4056 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
4058 * configure.in (gxx_include_dir): set default based on unlibsubdir
4059 * Makefile.in (tooldir): ditto
4060 (cccp.o, cpplib.o): use unlibsubdir implicitly through
4061 gxx_include_dir, includedir and tooldir
4062 (protoize.o, unprotoize.o): ditto
4064 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
4066 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
4068 * config/arm/thumb.c (thumb_override_options): Add warning about
4069 PIC code not being supported just yet.
4071 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
4073 * flow.c: Update comment.
4074 (notice_stack_pointer_modification): New static function.
4075 (record_volatile_insns): Use it.
4076 (mark_regs_live_at_end): Mark the stack pointer as alive
4077 at the end of the function if current_function_sp_is_unchanging
4079 (life_analysis_1): Set current_function_sp_is_unchanging.
4080 * function.c: Define it.
4081 (init_function_start): Initialize it.
4082 * output.h: Declare it.
4083 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
4084 the stack pointer as alive at the end of the function if
4085 current_function_sp_is_unchanging is set.
4086 * i386.c (ix86_epilogue): Optimize the restoring
4087 of the stack pointer.
4089 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
4091 * version.c: Bump for snapshot.
4093 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
4095 * c-pragma.c (handle_pragma_token): If passed a token instead
4096 of a tree, use that as the pack value.
4098 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
4100 * flow.c (find_basic_blocks_1): Fix prototype.
4102 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
4104 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4105 (struct tree_decl): New fields no_check_memory_usage.
4106 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4107 (init_attributes): Register it as a new attribute.
4108 (decl_attributes): Set flags on functions given that attribute.
4109 * c-decl.c (duplicate_decls): Merge new attribute.
4110 * expr.h (current_function_check_memory_usage): Declare new var.
4111 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4112 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4113 current_function_check_memory_usage.
4114 * function.h: Add field to struct function.
4115 * function.c (current_function_check_memory_usage): Define it.
4116 (push_function_context_to, pop_function_context_from): Save and
4118 (expand_function_start): Set it, based on global flag and function
4121 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4122 check non-automatic variables, to permit detection of writes to
4123 read-only locations in embedded systems without memory management.
4124 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4125 when emitting chkr_set_right_libfunc call, even if the argument is
4126 BLKmode or variable-sized; don't abort.
4128 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4129 symbols in Pmode, not VOIDmode.
4131 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4133 * cppexp.c: When forcing unsigned comparisons, cast both sides
4136 * cpphash.h: Move static declaration of hashtab[]...
4137 * cpphash.c: ...here.
4139 * cpplib.c: Cast difference of two pointers to size_t before
4140 comparing it to size_t. Cast signed to unsigned
4141 before comparing to size_t. (FIXME: struct argdata should use
4142 unsigned buffer sizes.)
4143 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4144 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4145 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4146 size_t before comparison.
4148 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4150 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4151 (find_basic_blocks_1): Similarly.
4152 * output.h (find_basic_blocks): Fix prototype.
4153 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4154 find_basic_blocks anymore.
4156 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4158 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4159 (sbitmap_free, sbitmap_vector_free): New macros.
4160 * output.h (rtl_dump_file): Declare.
4162 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4164 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4166 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4168 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4170 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4171 (divide): Remove unused variable `tmp'.
4172 (si_to_float): Cast numeric constant to (SItype) before comparing
4175 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4177 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4178 * gcc.c (add_preprocessor_option): Correct typo when allocating
4179 memory, sizeof() argument had one too many `*'.
4180 (add_assembler_option): Likewise.
4181 (add_linker_option): Likewise.
4182 * gcov.c (output_data): Likewise.
4183 * local-alloc.c (memref_used_between_p): Likewise.
4184 (update_equiv_regs): Likewise.
4185 * loop.c (strength_reduce): Likewise.
4186 * reg-stack.c (record_asm_reg_life): Likewise.
4187 (subst_asm_stack_reg): Likewise.
4188 * reorg.c (dbr_schedule): Likewise.
4190 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4192 * flow.c (life_analysis_1): Break out some functions.
4193 (find_basic_blocks_1): Likewise. Also move some variables out and
4195 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4196 new static var nonlocal_label_list with it.
4197 (active_eh_region, nested_eh_region, label_value_list,
4198 nonlocal_label_list): New static variables.
4199 (make_edges, delete_unreachable_blocks, delete_block): New static
4200 functions, broken out of find_basic_blocks_1.
4201 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4202 noop_move_p): New static functions, broken out of life_analysis_1.
4204 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4206 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4207 Take extra care for op0 now possibly being a subreg.
4208 (extract_bit_field): Likewise.
4209 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4210 the reg to memory if there is no equal sized integral mode.
4211 * stor-layout.c (int_mode_for_mode): New function.
4212 * machmode.h: Prototype it.
4214 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4216 * global.c (build_insn_chain): Verify no real insns exist past the
4217 end of the last basic block, then exit the loop.
4219 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4221 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4223 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4225 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4227 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4229 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4231 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4233 * flow.c (find_basic_blocks): Correctly determine when a call
4234 is within an exception region.
4236 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4238 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4240 * cpplib.h: Protect from multiple inclusions.
4241 * cpplib.c: Fix minor formatting problems.
4243 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4245 * jump.c (jump_optimize): Revert accidental patch.
4247 * Makefile.in (cpplib.o): Use unlibsubdir.
4249 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4251 * loop.c (get_condition): Allow combine when either compare is
4254 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4256 * version.c: Bump for snapshot.
4258 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4260 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4261 (init_lex): Initialize ridpointers[RID_BYREF].
4262 * c-lex.h (enum rid): Add RID_BYREF.
4263 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4264 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4265 (encode_type_qualifiers): Similarly
4266 * c-gperf.h: Rebuilt.
4268 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4270 * c-common.c (type_for_mode): Only return TItype nodes when
4271 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4272 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4273 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4274 (init_decl_processing): Only create TItype nodes when
4275 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4276 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4277 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4279 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4281 * stmt.c (n_occurrences): New static function.
4282 (expand_asm_operands): Verify that all constrains match in the
4283 number of alternatives.
4284 Verify that '+' or '=' are at the beginning of an output constraint.
4285 Don't allow '&' for input operands.
4286 Verify that '%' isn't written for the last operand.
4287 * reload.c (find_reloads): Abort if an asm is found with invalid
4288 constraints; all possible problems ought to be checked for earlier.
4290 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4292 * flags.h (flag_branch_on_count_reg): Always declare
4293 * toplev.c (flag_branch_on_count_reg): Likewise.
4294 * toplev.c: Fix typos.
4296 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4299 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4301 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4303 (find_basic_blocks_1): Add a nop to the end of a basic block when
4304 a trailing call insn does not have abnormal control flow.
4305 * gcse.c (pre_transpout): New variable.
4306 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4307 (compute_pre_transpout): Calculate it.
4308 (compute_pre_ppinout): Use it to eliminate impossible placements
4309 due to abnormal control flow through calls.
4310 (compute_pre_data): Call compute_pre_transpout.
4312 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4314 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4316 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4318 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4319 and matching define_insns): Tack on a `use' of the table label, so
4320 flow analysis will recognize a tablejump.
4322 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4324 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4325 always end basic blocks for abnormal edge reasons.
4327 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4329 * config/i386/i386.h: Remove definition of
4330 HANDLE_PRAGMA_PACK_PUSH_POP.
4332 * config/i386/go32.h: Add definition of
4333 HANDLE_PRAGMA_PACK_PUSH_POP.
4335 * config/i386/win32.h: Add definition of
4336 HANDLE_PRAGMA_PACK_PUSH_POP.
4338 * config/i386/cygwin32.h: Add definition of
4339 HANDLE_PRAGMA_PACK_PUSH_POP.
4341 * c-pragma.c (insert_pack_attributes): Do not insert
4342 attributes unless #pragma pack(push,<n>) is in effect.
4344 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4346 * expr.c (emit_group_store): Handle a PARALLEL destination.
4348 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4350 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4351 the new insns before the argument regs are loaded.
4353 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4355 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4356 (c-parse.gperf): Update comments describing invocation flags.
4357 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4359 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4361 * reload1.c (reload): Call free before clobbering the memory
4362 locations or constants pointers.
4364 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4366 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4367 for efficiency by checking whether we need to modify the current
4368 stack permission at all.
4369 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4370 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4371 __enable_execute_stack libcall here too if
4372 TRANSFER_FROM_TRAMPOLINE is defined.
4373 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4376 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4378 * Makefile.in (DRIVER_DEFINES): Remove last change.
4380 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4382 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4383 insns we're going to copy.
4384 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4386 * loop.c (count_one_set): Add prototype.
4388 * caller-save.c (restore_referenced_regs): Lose mode argument.
4389 (insert_save): Lose mode argument.
4390 (insert_restore): Lose mode argument.
4391 (insert_one_insn): Lose mode argument.
4392 (save_call_clobbered_regs): Lose mode argument.
4393 (setup_save_areas): Take no argument and return void. All callers
4395 Don't verify validity of memory addresses.
4396 * reload.h (setup_save_ares): Adjust prototype.
4397 (save_call_clobbered_regs): Likewise.
4398 * reload1.c (delete_caller_save_insns): New function.
4399 (caller_save_spill_class): Delete variable.
4400 (caller_save_group_size): Delete variable.
4401 (reload): Call setup_save_areas and save_call_clobbered_regs
4402 in the main loop, before calling calculate_needs_all_insns.
4403 Don't call save_call_clobbered_regs after the loop.
4404 Call delete_caller_save_insns at the end of an iteration if
4406 Delete code to manage caller_save_spill_class.
4407 Emit the final note before setting reload_first_uid.
4408 Simplify test that determines whether reload_as_needed gets run.
4409 (calculate_needs): Delete code to manage caller_save_spill_class.
4411 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4413 * collect2.c (main): Initialize ld_file_name.
4415 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4417 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4418 check for flag_function_sections.
4420 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4422 * cse.c (insert_regs): Fix bug in Sep 24 change.
4424 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4426 * flags.h (flag_dump_unnumbered): Declare.
4427 * toplev.c (flag_dump_unnumbered): Don't declare.
4428 * print-rtl.c (flags.h): Include.
4429 (print_rtl_single): Add return value.
4430 * rtl.h (print_rtl_single): Update declaration.
4431 * flow.c (flag_dump_unnumbered): Don't declare.
4432 (print_rtl_with_bb): Use return value of print_rtl_single.
4434 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4436 * loop.c (count_one_set): New static function, broken out of
4438 (count_loop_regs_set): Call it.
4439 * global.c (mark_reg_store): Handle clobbers here by not calling
4441 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4442 is in fact a clobber.
4443 * integrate.c (process_reg_param): New function, broken out of
4444 expand_inline_function.
4445 (expand_inline_function): Call it.
4448 * i386.md (addsidi3_1): Delete unused variable temp.
4449 (addsidi3_2): Likewise.
4450 (clstrstrsi): Delete unused variable addr1.
4452 * rtl.h: Don't declare any functions also declared in recog.h.
4454 * Makefile.in (stupid.o): Update dependencies.
4455 (global.o): Likewise.
4457 * global.c: Include reload.h
4458 (reg_becomes_live): New function.
4459 (reg_dies): New function.
4460 (build_insn_chain): New function.
4461 (global_alloc): Call build_insn_chain before calling reload.
4463 * reload.h (struct needs): New structure definition.
4464 (struct insn_chain): Likewise.
4465 (reload_insn_chain): Declare variable.
4466 (new_insn_chain): Declare function.
4469 * reload1.c (reload_startobj): New variable.
4470 (reload_insn_chain): New variable.
4471 (unused_insn_chains): New variable.
4472 (new_insn_chain): New function.
4473 (init_reload): Initialize reload_startobj, not reload_firstobj.
4474 (reload): Initialize reload_firstobj.
4475 Before returning, free everything on the reload_obstack.
4477 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4478 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4479 current_chain): New variables.
4480 (reg_where_born): Delete variable.
4481 (REG_WHERE_BORN): New macro.
4482 (find_clobbered_regs): New function.
4483 (stupid_life_analysis): Don't allocate/free reg_where_born.
4484 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4485 reg_where_dead_chain.
4486 Use REG_WHERE_BORN instead of reg_where_born.
4487 While processing the insns, build the reload_insn_chain with
4488 information about register lifetimes.
4489 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4490 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4492 Compute and information about birth and death of pseudo registers in
4493 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4494 Delete code to set elements of reg_where_born.
4496 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4498 * tree.def (GOTO_EXPR): Modified documentation.
4499 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4502 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4504 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4505 loop_final_value, loop_comparison_code): No longer static.
4506 (unroll_loop): Delete loop_start_value update.
4507 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4508 loop_final_value, loop_comparison_code): Extern.
4509 (loop_start_value): Delete extern.
4510 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4511 loop_comparison_value, loop_comparison_code): Delete.
4512 (loop_optimize): Remove initialization for deleted variables.
4513 (strength_reduce): Delete analyze_loop_iterations call. Only call
4514 insert_bct if flag_branch_count_on_reg set.
4515 (analyze_loop_iterations): Delete.
4516 (insert_bct): Remove iteration count calculation. Move checks for
4517 viable BCT optimization to here. Obtain iteration count from
4518 loop_iterations and correct for unrolling. Check for enough
4519 iteration to be beneficial. Comment out runtime iteration count
4521 (insert_bct): Print iteration count in dump file. Remove
4522 loop_var_mode and use word_mode directly.
4524 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4525 * rs6000.c (rs6000_override_options): Use it.
4526 (optimization_options): Enable use of flag_branch_on_count_reg.
4527 * rs6000.md (define_function_unit): Describe 604e.
4529 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4531 * loop.c (move_movables): Corrected threshold calculation for
4532 moved_once registers.
4534 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4536 * loop.c (combine_givs_p): Fix test for identical givs.
4538 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4540 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4541 call abort if the function is already defined.
4543 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4545 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4546 truncation is not a no-op.
4548 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4550 * version.c: Bump for snapshot.
4552 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4554 * version.c: Bump for snapshot.
4556 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4558 * expmed.c (expand_divmod): Don't widen for computing remainder
4559 if we seem to have a divmod pattern for needed mode.
4561 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4563 * cpplib.c (macroexpand): Correct off-by-one error in handling
4566 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4568 * combine.c (expand_field_assignment): Don't do bitwise operations
4569 on MODE_FLOAT; pun to MODE_INT if possible.
4571 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4572 scott snyder <snyder@d0sgif.fnal.gov>
4574 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4575 linker. Recognize mangled names in quotes.
4577 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4579 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4580 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4581 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4582 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4584 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4586 * function.c (purge_addressof_1): If trying to take a sub-word
4587 integral piece of a floating point mode, put it on the stack.
4589 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4591 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4593 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4595 * PROJECTS: Remove template friends.
4597 * collect2.c (sort_ids): Remove unused variable.
4599 * tm.texi (MATH_LIBRARY): Document.
4600 (NEED_MATH_LIBRARY): Remove.
4602 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4603 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4605 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4607 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4608 last_end to 0x7fffffff.
4610 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4612 * function.c (purge_addressof_1): Do not perform endianness
4613 corrections on bitpos, who we call will do it for us.
4615 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4617 * h8300.c (WORD_REG_USED): Fix typo.
4618 (initial_offset): Use WORD_REG_USED.
4620 * h8300.c (handle_pragma): Fix typo.
4622 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4624 * caller-save.c (insert_save_restore): Break this function up
4625 into new functions insert_restore, insert_save and insert_one_insn.
4626 All callers changed.
4627 (insert_restore): New function, mostly broken out of
4628 insert_save_restore.
4629 (insert_save): Likewise.
4630 (insert_one_insn): Likewise.
4631 (restore_referenced_regs): New argument BLOCK. All callers changed.
4632 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4633 in this function, do it in insert_one_insn instead.
4635 * reload1.c (reload): Break out some more pieces into separate
4637 (dump_needs): New function, broken out of reload.
4638 (set_initial_elim_offsets): Likewise.
4639 (init_elim_table): Likewise.
4640 (update_eliminables): Likewise.
4642 * global.c (global_alloc): Delete code to manage the scratch_list.
4643 * local-alloc.c (qty_scratch_rtx): Delete.
4644 (scratch_block): Delete.
4645 (scratch_list): Delete.
4646 (scratch_list_length): Delete.
4647 (scratch_index): Delete.
4648 (alloc_qty_for_scratch): Delete.
4649 (local-alloc): Update initialization of max_qty.
4650 Delete code to manage the scratch list.
4651 Delete code to allocate/initialize qty_scratch_rtx.
4652 (block_alloc): Don't allocate quantities for scratches.
4653 Delete code to manage the scratch list.
4654 * regs.h (scratch_list): Delete declaration.
4655 (scratch_block): Delete declaration.
4656 (scratch_list_length): Delete declaration.
4657 * reload1.c (reload): Delete code to manage the scratch list.
4658 (spill_hard_reg): Likewise.
4659 (mark_scratch_live): Delete.
4661 * recog.c (alter_subreg): Delete declaration.
4663 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4665 * Makefile.in (cccp.o): Fix typo in last patch.
4667 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4669 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4670 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4672 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4674 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4675 NULL_RTX as an argument.
4677 * Makefile.in (unlibsubdir): Define.
4678 (DRIVER_DEFINES): Use unlibsubdir.
4679 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4680 (stmp-fixinc): Similarly.
4682 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4684 * regmove.c (regmove_optimize): Add variable old_max_uid.
4685 At the end of the function, update basic_block_end.
4687 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4689 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4690 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4693 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4695 * config/arm/arm.c: Improve interworking support.
4697 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4699 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4700 copied from reload_out[r] .
4702 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4704 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4705 with more than three size ranges.
4707 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4709 * rtl.c (mode_name): Add a null string at the end of the array.
4710 (mode_wider_mode): Change type to unsigned char.
4711 (mode_mask_array): New variable.
4712 (init_rtl): Update for mode_wider_mode type change.
4714 * rtl.h (mode_wider_mode): Change type to unsigned char.
4715 (mode_mask_array): Declare.
4716 (GET_MODE_MASK): Use mode_mask_array.
4718 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4720 * calls.c (expand_call) : Encapsulate code into
4721 copy_blkmode_from_reg.
4722 * expr.c (copy_blkmode_from_reg): New function.
4723 * expr.h (copy_blkmode_from_reg): New function.
4724 * integrate.c (function_cannot_inline_p): We can inline
4726 (expand_inline_function): Use copy_blkmode_from_reg
4727 if needed. Avoid creating BLKmode REGs.
4728 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4731 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4733 * config/v850/v850.c: Add function prototypes.
4734 Add support for v850 special data areas.
4736 * config/v850/v850.h: Add support for v850 special data areas.
4738 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4739 HANDLE_PRAGMA_PACK_PUSH_POP.
4740 (push_alignment): New function: Cache an alignment requested
4741 by a #pragma pack(push,<n>).
4742 (pop_alignment): New function: Pop an alignment from the
4744 (insert_pack_attributes): New function: Generate __packed__
4745 and __aligned__ attributes for new decls whilst a #pragma pack
4747 (add_weak): New function: Cache a #pragma weak directive.
4748 (handle_pragma_token): Document calling conventions. Add
4749 support for #pragma pack(push,<n>) and #pragma pack (pop).
4751 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4752 are defined enable HANDLE_PRAGMA_PACK.
4753 Move 'struct weak_syms' here (from varasm.c).
4754 Add pragma states for push and pop pragmas.
4756 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4759 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4760 HANDLE_GENERIC_PRAGMAS.
4762 * varasm.c: Move definition of 'struct weak_syms' into
4764 (handle_pragma_weak): Deleted.
4766 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4768 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4770 * c-decl.c (start_function): Add invocation of
4771 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4773 * tm.texi: Remove description of non-existant macro
4774 SET_DEFAULT_SECTION_NAME.
4776 (HANDLE_SYSV_PRAGMA): Document.
4777 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4779 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4781 * config.sub: Recognize i[34567]86-pc-udk as new target.
4782 * configure.in: Likewise.
4783 * config/i386/t-udk: New file.
4784 * config/i386/udk.h: New file.
4786 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4788 * reorg.c (check_annul_list_true_false): Remove unused variables.
4789 (steal_delay_list_from_target): Add missing "used_annul" variable.
4790 (try_merge_delay_insns): Close out half formed comment.
4792 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4794 * cpplib.c (macroexpand): If arg->raw_before or
4795 arg->raw_after, remove any no-reexpansion escape at the
4796 beginning of the pasted token. Correct handling of whitespace
4797 markers and no-reexpand markers at the end if arg->raw_after.
4799 * toplev.c (documented_lang_options): Recognize -include,
4800 -imacros, -iwithprefix, -iwithprefixbefore.
4801 * cpplib.c (cpp_start_read): Process -imacros and -include
4802 switches at the same time and in command-line order, after
4803 initializing the dependency-output code. Emit properly nested
4804 #line directives for them. Emit a #line for the main file
4805 before processing these switches, and don't do it again
4808 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4810 * function.c (purge_addressof_1): Use bitfield manipulation
4811 routines to handle mem mode < reg mode.
4813 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4815 * reorg.c (try_merge_delay_insns): Account for resources referenced
4816 in each instruction in INSN's delay list before trying to eliminate
4817 useless instructions. Similarly when looking at a trial insn's delay
4820 * reorg.c (check_annul_list_true_false): New function.
4821 (steal_delay_list_from_{target,fallthrough}): Call it and also
4822 refine tests for when we may annul if already filled a slot.
4823 (fill_slots_from_thread): Likewise.
4824 (delete_from_delay_slot): Return newly-created thread.
4825 (try_merge_delay_isns): Use its new return value.
4827 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4829 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4830 used to compute a giv or as some other non-counting use.
4832 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4834 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4835 * local-alloc.c (find_free_reg): Use it.
4836 * global.c (find_reg): Likewise.
4837 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4839 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4840 * caller-save.c (init_caller_save): Use it.
4841 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4843 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4845 * configure.in: Add --enable-cpplib option which uses cpplib
4846 for cpp, but doesn't link cpplib into cc1. Make help text
4847 capitalization consistent.
4848 * configure: Rebuilt.
4850 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4852 * function.c (gen_mem_addressof): If the address REG is
4853 REG_USERVAR_P make the new REG be so also.
4854 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4855 in an attempt to clarify slightly.
4857 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4859 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4860 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4862 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4864 * toplev.c: Fix last patch.
4866 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4868 * loop.c (get_condition): Fix typo in May 9 change.
4870 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4872 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4874 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4876 * toplev.c (documented_lang_options): Spelling corrections.
4878 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4880 * configure.in: new flags --with-ld and --with-as, equivalent
4881 to setting LD and AS environment variables. Test whether
4882 specified arguments are GNU commands, and report them with
4883 checking messages. Use the specified AS for configure
4886 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4888 * gcc.c (find_a_file): when looking for `as' and `ld', return
4889 the DEFAULT program if it exists
4890 * collect2.c (main): use DEFAULT_LINKER if it exists
4892 * gcc.c (find_a_file): the test for existence of a full
4893 pathname was reversed
4895 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4897 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4898 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4900 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4902 * tree.h (TYPE_BINFO): Document.
4904 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4906 * i386-coff.h (dbxcoff.h): Added.
4908 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4910 * toplev.c: fix bad patch around flag_data_sections.
4912 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4914 * reload1.c (reload): Use reload_address_index_reg_class and
4915 reload_address_base_reg_class when setting
4916 caller_save_spill_class. (Patch generated by Jim Wilson:
4919 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4921 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4922 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4923 * expr.c (store_field): Add alias_set parameter. Set the
4924 MEM_ALIAS_SET accordingly, if the target is a MEM.
4925 (expand_assignment): Use it.
4926 (store_constructor_field): Pass 0.
4927 (expand_expr): Likewise.
4929 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4931 * flags.h: Add flag_data_sections.
4932 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4933 (compile_file): Error if flag_data_sections not supported.
4934 * varasm.c (assemble_variable): Handle flag_data_sections.
4935 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4936 * config/mips/elf.h: Likewise.
4937 * config/mips/elf64.h: Likewise.
4938 * invoke.texi: Describe -fdata-sections.
4940 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4942 * invoke.texi (-ffloat-store): Clarify that this option
4943 does not affect intermediate results -- only variables.
4945 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4947 * cpp.texi: Update for Fortran usage from Craig.
4949 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4951 * rs6000.c (function_arg_boundary): Revert accidental change on
4954 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4956 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4957 (output_mi_thunk): Declare.
4959 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4960 (output_function_profiler): Use r12 for temp, instead of r11 so
4961 that we preserve the static chain register.
4963 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4965 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4967 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4969 * sh.c (gen_shl_sext): Fix case 5.
4971 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4973 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4975 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4977 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4978 accessing variables until they are initialized via va_arg().
4980 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4982 * reload1.c (reload_combine): Initialize set before using.
4984 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4986 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4989 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4991 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4992 operand3 with mask before using it. Patch provided by Jim Wilson.
4994 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4996 * config/sparc/sparc.c (function_value): Perform the equivalent of
4997 PROMOTE_MODE for ARCH64.
4998 (eligible_for_epilogue_delay): Allow DImode operations in delay
4999 slot of a return for ARCH64.
5001 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5003 * sh.md (sqrtsf2): Fix mode of sqrt.
5005 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5007 * reload1.c (choose_reload_regs): Also try inheritance when
5008 reload_in is a stack slot of a pseudo, even if we already got a
5011 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5013 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
5014 (reload_cse_regs): New function body: call reload_cse_regs_1,
5015 reload_combine, reload_cse_move2add.
5016 When doing expensive_optimizations, call reload_cse_regs_1 a
5017 second time after reload_cse_move2add.
5018 (reload_combine, reload_combine_note_store): New functions.
5019 (reload_combine_note_use): New function.
5020 (reload_cse_move2add, move2add_note_store): New functions.
5022 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5024 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
5025 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
5027 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
5028 more than 3 such reloads.
5030 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
5031 RELOAD_FOR_X_ADDR_ADDR reload.
5033 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5035 * expr.c (store_constructor): When initializing a field that is smaller
5036 than a word, at the start of a word, try to widen it to a full word.
5038 * cse.c (cse_insn): When we are about to change a register,
5039 remove any invalid references to it.
5041 (remove_invalid_subreg_refs): New function.
5042 (mention_regs): Special treatment for SUBREGs.
5043 (insert_regs): Don't strip SUBREG for call to mention_regs.
5044 Check if reg_tick needs to be bumped up before that call.
5045 (lookup_as_function): Try to match known word_mode constants when
5046 looking for a norrower constant.
5047 (canon_hash): Special treatment for SUBREGs.
5049 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5051 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
5052 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
5053 defined, emit libcall to __enable_execute_stack. Also fix opcodes
5054 and offsets in actual stack trampoline code so they match the
5055 commentary and actually work.
5057 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5059 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
5061 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
5062 tmake_file. Set extra_parts to needed crt objects.
5063 * configure: Rebuilt.
5064 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
5065 (TARGET_DEFAULT): Set if default is v9 or ultra.
5066 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
5067 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
5068 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
5069 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
5070 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
5071 (TARGET_VERSION): Define.
5072 (MULTILIB_DEFAULT): Define.
5073 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
5074 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
5075 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
5077 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
5078 * config/sparc/sparc.c (sparc_override_options): If arch and
5079 pointer size disagree, emit diagnostic and fix it up. If
5080 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
5081 V8PLUS in 64-bit mode.
5082 * config/sparc/t-linux64: New file.
5083 * config/sparc/t-sol2-64: New file.
5084 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
5085 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
5086 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
5087 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
5088 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
5089 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
5091 (STARTFILE_SPEC): Set approriately based upon those.
5092 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
5093 disposition of DEFAULT_ARCH32_P.
5094 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
5095 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
5096 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
5097 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
5098 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
5100 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
5102 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
5104 * rtl.h (init_virtual_regs): New function.
5105 * emit-rtl.c (init_virtual_regs): Define.
5106 (insn_emit): Use it.
5107 * integrate.c (save_for_inline_copying): Likewise.
5109 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5111 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5112 (enum reg_class): Add NONARG_LO_REGS support.
5113 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5114 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5115 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5116 completes. Re-enable HImode REG+OFFSET addresses.
5117 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5119 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5121 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5123 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5124 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5125 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5127 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5129 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5130 jumps as a single entity, taking into account the size of the
5133 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5135 * tree.def (SWITCH_EXPR): New tree node definition.
5137 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5139 * version.c: Bump for snapshot.
5141 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5143 * version.c: Bump for snapshot.
5145 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5147 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5150 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5152 * Revert this patch.
5153 * reload.c (find_reloads): Do not replace a pseudo with
5154 (MEM (reg_equiv_addr)) in the initializing insn for the
5157 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5159 * final.c (final_scan_insn): Disable tracking CC across branches.
5161 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5163 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5164 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5165 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5166 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5167 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5169 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5171 * toplev.c (rest_of_compilation): Skip compiling anything with
5172 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5174 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5176 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5177 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5178 use in_libcall_block.
5179 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5180 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5183 Mon Sep 21 14:02:23 1998
5185 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5186 typo in no-fancy-math-387 description.
5188 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5190 * version.c: Bump for snapshot.
5192 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5194 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5196 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5198 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5199 documented in install.texi.
5200 (TARGET_OPTIONS) Likewise.
5202 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5204 * version.c: Bump for snapshot.
5206 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5208 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5209 * cccp.c (main): Likewise.
5211 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5212 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5215 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5217 * Makefile.in (LIBS): Link in libiberty.a.
5218 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5220 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5222 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5223 it to update bb boundaries. Update caller.
5224 * function.c (reposition_prologue_and_epilogue_notes): Update
5225 bb boundaries wrt the moved note.
5227 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5229 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5231 * configure: Regenerate.
5233 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5235 * alpha.c (alpha_sr_alias_set): New variable.
5236 (override_options): Set it.
5237 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5238 (mode_mask_operand): Fix signed-unsigned comparision warning.
5239 (alpha_expand_block_move): Likewise.
5240 (print_operand): Likewise.
5241 (get_aligned_mem): Use change_address.
5242 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5243 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5244 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5245 (alpha_align_insns): Remade from old alphaev5_align_insns
5246 to handle multiple processors.
5247 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5248 * output.h (label_to_alignment): Prototype.
5250 * tree.c (new_alias_set): New function.
5251 * tree.h (new_alias_set): Declare it.
5252 * c-common.c (c_get_alias_set): Use it.
5254 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5256 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5257 to an ABS expr, convert an unsigned input to signed.
5259 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5261 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5263 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5265 * configure.in: Add support for c4x targets.
5266 * configure: Rebuilt.
5268 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5270 * combine.c (distribute_notes): If an insn is a cc0 user, only
5271 delete it if we can also delete the cc0 setter.
5273 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5275 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5276 (invert_truthvalue): Enable truthvalue inversion for
5277 floating-point operands if -ffast-math.
5279 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5281 * configure.in: Disable collect2 for nextstep. Instead use
5283 * configure: Rebuilt.
5284 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5285 (ENDFILE_SPEC): Define.
5286 (OBJECT_FORMAT_MACHO): Define.
5287 (EH_FRAME_SECTION_ASM_OP): Define.
5288 * crtstuff.c: Handle MACHO.
5290 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5292 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5294 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5296 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5297 (_fpadd_parts): Get sign right for 0.
5299 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5301 * ginclude/varargs.h: Add support for C4x target.
5302 * ginclude/stdargs.h: Likewise.
5304 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5306 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5307 (alpha_emit_set_long_const): Rewrite to be callable from reload
5309 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5310 * alpha.md (movdi): Likewise.
5312 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5314 * arm.c (add_constant): New parameter address_only, change caller.
5315 Set it non-zero if taking the address of an item in the pool.
5316 (arm_reorg): Handle cases where we need the address of an item in
5319 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5321 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5322 memory addresses that are not in standard canonical form.
5324 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5326 * README.C4X: New file with information about the c4x ports.
5327 * ginclude/va-c4x.h: New file for c4x varargs support.
5328 * config/c4x: New directory with c4x port files.
5330 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5332 * reload.c (find_reloads): Do not replace a pseudo with
5333 (MEM (reg_equiv_addr)) in the initializing insn for the
5336 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5338 * toplev.c (rest_of_compilation): Set bct_p on second call to
5340 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5342 (strength_reduce): Only call analyze_loop_iterations and
5343 insert_bct if bct_p set.
5344 (check_dbra_loop): Fix typo.
5345 (insert_bct): Use word_mode instead of SImode.
5346 (instrument_loop_bct): Likewise. Do not delete iteration count
5347 condition code generation insn. Initialize iteration count before
5349 * rtl.h (loop_optimize): Update prototype.
5351 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5352 not doubleword aligned.
5354 * rs6000.c (optimization_options): New function.
5355 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5356 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5357 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5358 first; cr1 can be used for FP record condition insns.
5360 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5362 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5365 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5368 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5370 (block_move_call): New function: Call a library routine to copy a
5372 (m32r_expand_block_move): New function: Expand a "movstrsi"
5373 pattern into a sequence of insns.
5374 (m32r_output_block_move): New function: Expand a
5375 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5376 (m32r_block_immediate_operand): New function: Return true if the
5377 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5379 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5381 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5383 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5385 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5387 * regmove.c (copy_src_to_dest): Check that modes match.
5389 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5391 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5393 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5395 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5396 narrower than FLOAT_REGS.
5398 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5400 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5402 * Makefile.in (old_gxx_include_dir): removed
5404 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5406 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5409 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5410 (sh_handle_pragma): Change function arguments to match new
5411 specification for HANDLE_PRAGMA.
5413 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5415 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5417 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5418 When generating output, initialize missing struct member to zero.
5420 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5422 * regmove.c (copy_src_to_dest): Don't copy if that requires
5423 (a) new register(s).
5425 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5427 * global.c (reg_allocno): Now static.
5428 * reload1.c (reg_allocno): Delete declaration.
5429 (order_regs_for_reload): Take no arguments. Don't treat regs
5430 allocated by global differently than those allocated by local-alloc.
5432 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5434 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5435 condition, fix format strings.
5436 (output_function_epilogue): Likewise.
5438 * m68k/m68k.c: Don't include <stdlib.h> directly.
5440 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5442 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5443 mem_first_set, mem_last_set; because 0 can be a CUID.
5444 (oprs_unchanged_p): Use new definition.
5445 (record_last_reg_set_info): Likewise.
5446 (record_last_mem_set_info): Likewise.
5447 (compute_hash_table): Likewise.
5449 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5451 * rs6000.c (output_epilogue): Handle Chill.
5453 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5454 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5456 * combine.c (make_extraction): If no mode is specified for
5457 an operand of insv, extv, or extzv, default it to word_mode.
5458 (simplify_comparison): Similarly.
5459 * expmed.c (store_bit_field): Similarly.
5460 (extract_bit_field): Similarly.
5461 * function.c (fixup_var_regs_1): Similarly.
5462 * recog.c (validate_replace_rtx_1): Similarly.
5463 * mips.md (extv, extzv, insv expanders): Default modes for most
5464 operands. Handle TARGET_64BIT.
5465 (movdi_uld, movdi_usd): New patterns.
5467 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5468 equivalent memory location unless we have been provided a scratch
5469 register. Similarly do not call find_replacement unless a
5470 scratch register has been provided.
5472 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5474 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5477 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5479 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5480 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5481 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5482 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5483 * c-decl.c (init_decl_processing): Update accordingly.
5484 * expr.c (expand_builtin): Likewise.
5486 * rtl.h (global_rtl): Add cfa entry.
5487 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5488 (LAST_VIRTUAL_REGISTER): Update.
5489 * emit-rtl.c (global_rtl): Add cfa entry.
5490 (init_emit): Initialize it.
5491 * function.c (cfa_offset): New.
5492 (instantiate_virtual_regs): Initialize it.
5493 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5494 (expand_function_end): Call expand_eh_return.
5495 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5497 * except.c (current_function_eh_stub_label): Kill.
5498 (current_function_eh_old_stub_label): Likwise; update all references.
5499 (expand_builtin_set_return_addr_reg): Kill.
5500 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5501 (expand_builtin_set_eh_regs): Kill.
5502 (eh_regs): Produce a third reg for the actual handler address.
5503 (eh_return_context, eh_return_stack_adjust): New.
5504 (eh_return_handler, eh_return_stub_label): New.
5505 (init_eh_for_function): Initialize them.
5506 (expand_builtin_eh_return, expand_eh_return): New.
5507 * except.h: Update prototypes.
5508 * flow.c (find_basic_blocks_1): Update references to the stub label.
5509 * function.h (struct function): Kill stub label elements.
5511 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5512 register number is one that would be in the previous window.
5513 Provide a dummy definition for non-windowed targets.
5514 (get_reg_addr): New function.
5515 (get_reg, put_reg, copy_reg): Use it.
5516 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5517 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5519 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5520 (alpha_init_expanders): Initialize it.
5521 (alpha_expand_epilogue): Use it.
5522 * alpha.h: Declare it.
5523 * alpha.md (eh_epilogue): New.
5525 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5526 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5528 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5530 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5533 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5535 * except.h (struct eh_entry): Add false_label field.
5536 (end_catch_handler): Add prototype.
5537 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5538 (start_catch_handler): When using old style exceptions, issue
5539 runtime typematch code before continuing with the handler.
5540 (end_catch_handler): New function, generates label after handler
5541 if needed by older style exceptions.
5542 (expand_start_all_catch): No need to check for new style exceptions.
5543 (output_exception_table_entry): Only output the first handler label
5544 for old style exceptions.
5545 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5546 mechanism into one function, if a runtime matcher is provided.
5548 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5550 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5552 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5554 * integrate.c (copy_decl_list): Fix typo.
5556 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5558 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5561 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5563 * version.c: Bump for snapshot.
5565 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5567 * version.c: Bump for snapshot.
5569 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5571 * version.c: Bump for snapshot.
5573 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5575 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5577 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5579 * configure.in: remove usage of `!' to negate the result of a
5580 command; some common shells do not support it
5582 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5584 * configure.in: in sparc9-sol2 config, use 'if test' not
5586 * configure: Rebuilt.
5588 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5590 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5591 (CPP_CPU_DEFAULT_SPEC): Likewise.
5592 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5593 for arch64 libfuncs.
5595 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5598 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5600 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5602 * collect2.c: Don't declare `sys_siglist' here.
5603 (my_strsignal): Prototype and define new function. Use it in
5604 place of `sys_siglist' hacks.
5606 * mips_tfile.c: Likewise.
5608 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5609 (GCC_NEED_DECLARATIONS): Likewise.
5611 * system.h (strsignal): Prototype it, if necessary.
5612 (sys_siglist): Declare it, if necessary.
5614 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5616 * loop.c (move_movables): While removing insn sequences, preserve
5617 the next pointer of the most recently deleted insn when we skip
5620 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5622 * objc/config-lang.in: Do not output the name of the selected
5623 thread file when building the front-end. The Makefile for the
5624 runtime library will do this.
5626 * objc/Make-lang.in: Do not build the runtime library or install
5627 the Objective C header files. The Makefile for the runtime
5628 library will do this.
5630 * objc/Makefile.in (all.indirect): Only build the front-end.
5631 (compiler): Rename to `frontend'.
5632 (obj-runtime): Remove target.
5633 (copy-headers): Likewise.
5634 (clean): No need to remove `libobjc.a' any longer.
5636 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5638 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5639 supported with -mcpu=xxx.
5641 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5643 * flow.c (mark_set_1): Recognize multi-register structure return
5644 values in CALL insns.
5645 (mark_used_regs): Likewise.
5646 (count_reg_sets_1): Likewise.
5647 (count_reg_references): Likewise.
5648 * rtlanal.c (note_stores): Likewise.
5649 (reg_overlap_mentioned_p): Likewise.
5650 * haifa-sched.c (check_live_1): Likewise.
5651 (update_live_1): Likewise.
5652 (sched_analyze_1): Likewise.
5653 (sched_note_set): Likewise.
5654 (birthing_insn_p): Likewise.
5655 (attach_deaths): Likewise.
5657 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5660 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5662 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5664 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5666 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5668 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5670 * configure.in: Add check for GAS subsection -1 support.
5671 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5672 * configure config.in: Rebuilt.
5673 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5674 SImode is subsection -1 works, else use DImode.
5675 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5676 subsection -1 works.
5677 * config/sparc/sparc.c (sparc_output_addr_vec,
5678 sparc_output_addr_diff_vec): Use them if defined.
5680 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5682 * tree.h (DECL_ORIGIN): New macro.
5683 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5684 (copy_decl_list): Use it.
5685 (integrate_parm_decls): Likewise.
5686 (integrate_decl_tree): Likewise.
5687 * dwarf2out.c (decl_ultimate_origin): Simplify.
5688 * dwarfout.c (decl_ultimate_origin): Likewise.
5689 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5690 (pushdecl): Likewise.
5692 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5694 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5696 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5698 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5700 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5702 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5703 empty or has a single entry.
5705 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5706 before calling reg_to_stack.
5708 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5710 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5711 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5713 * c-tree.h (warn_long_long): Declare it.
5715 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5717 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5718 initialized float-int union if the value is a NaN.
5720 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5722 * c-lex.c (real_yylex): Don't warn about long long constants if
5723 we're allowing long long
5725 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5727 * except.h (current_function_eh_stub_label): Declare.
5728 (current_function_eh_old_stub_label): Declare.
5729 * function.h (struct function): New members eh_stub_label and
5731 * except.c (current_function_eh_stub_label): New variable.
5732 (current_function_eh_old_stub_label): New variable.
5733 (init_eh_for_function): Clear them.
5734 (save_eh_status): Save them.
5735 (restore_eh_status): Restore them.
5736 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5737 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5738 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5739 make an edge from the block that contains it to the block starting
5740 with the label if this label is one of the eh stub labels.
5741 If eh stub labels exist, show they are reachable from the last block
5744 * reload1.c (reload): Break out several subroutines and make some
5746 (calculate_needs_all_insns): New function, broken out of reload.
5747 (calculate_needs): Likewise.
5748 (find_reload_regs): Likewise.
5749 (find_group): Likewise.
5750 (find_tworeg_group): Likewise.
5751 (something_needs_reloads): New global variable, formerly in reload.
5752 (something_needs_elimination): Likewise.
5753 (caller_save_spill_class): Likewise.
5754 (caller_save_group_size): Likewise.
5755 (max_needs): Likewise.
5756 (group_size): Likewise.
5757 (max_groups): Likewise.
5758 (max_nongroups): Likewise.
5759 (group_mode): Likewise.
5760 (max_needs_insn): Likewise.
5761 (max_groups_insn): Likewise.
5762 (max_nongroups_insn): Likewise.
5763 (failure): Likewise.
5765 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5767 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5769 * loop.c (load_mems): Copy rtx for output mem.
5771 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5773 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5774 mips1 or mips2 either.
5776 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5778 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5780 (pa_adjust_insn_length): Update to work with new marking scheme
5781 for jumps inside switch tables.
5782 * pa.md (switch_jump): Remove pattern.
5783 (jump): Handle jumps inside jump tables.
5785 * Makefile.in (profile.o): Depend on insn-config.h
5787 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5789 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5791 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5793 Add preliminary native sparcv9 Solaris support.
5794 * configure.in: Recognize sparv9-*-solaris2*
5795 * configure: rebuilt
5796 * config.sub: Recognize sparcv9 just like sparc64.
5797 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5798 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5799 32-bit and 64-bit Solaris systems.
5800 * config/sparc/t-sol2: Assemble those with cpp.
5801 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5802 (*TF*_LIBCALL): If ARCH64 use V9 names.
5803 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5805 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5807 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5808 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5810 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5812 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5813 to Pmode if CASE_VECTOR_MODE is something else.
5815 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5817 * prefix.c (update_path): Correctly handle cases where PATH is
5818 a substring of the builtin prefix, but specifies a different
5821 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5823 * expr.c: Corrected comment about what MOVE_RATIO does.
5824 * config/alpha/alpha.h: Ditto.
5825 * config/1750a/1750a.h: Ditto.
5826 * config/clipper/clipper.h: Ditto.
5827 * config/i386/i386.h: Ditto.
5829 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5831 * configure.in (m68k-next-nextstep3*): Use collect2.
5832 Similarly for x86 NeXT configurations.
5833 * configure: Rebuilt.
5835 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5837 * configure.in: Don't assume srcdir is .../gcc
5838 * configure: Rebuilt.
5840 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5842 * global.c: Update comments.
5843 (global_alloc): Assign allocation-numbers
5844 even for registers allocated by local_alloc in case
5845 they are later spilled and retry_global_alloc is called.
5846 (mark_reg_store, mark_reg_clobber,
5847 mark_reg_conflicts, mark_reg_death): Always record a
5848 conflict with a pseudo register even if it has been
5849 assigned to a hard register.
5850 (dump_conflicts): Don't list pseudo registers already assigned to
5851 a hard register as needing to be allocated, but do list their
5853 * local-alloc.c: Update comment.
5855 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5857 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5858 * configure: Rebuilt.
5860 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5862 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5864 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5865 for all targets that set -msoft-float.
5867 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5869 * toplev.c (print_switch_values): Make static to match prototype.
5871 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5873 * configure.in: If we are unable to find the "gnatbind" program,
5874 then do not configure the ada subdir.
5875 * configure: Rebuilt.
5877 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5879 * version.c: Bump for snapshot.
5881 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5883 * version.c: Bump for snapshot.
5885 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5887 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5888 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5890 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5892 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5894 * genextract.c: Have insn-extract.c include toplev.h.
5896 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5898 * toplev.c: Include expr.h.
5899 (really_sorry, fancy_abort): Remove prototypes.
5900 (set_target_switch): Add argument in prototype.
5901 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5902 (v_really_sorry): Likewise.
5903 (print_version, print_single_switch, print_switch_values): Make
5904 static and add prototype arguments.
5905 (decl_printable_name): Add prototype arguments.
5906 (lang_expand_expr_t): New typedef.
5907 (lang_expand_expr): Declare as a lang_expand_expr_t.
5908 (incomplete_decl_finalize_hook): Add prototype argument.
5909 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5910 (botch): Likewise for variable `s'.
5911 (rest_of_type_compilation): Mark variables `type' and `toplev'
5912 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5913 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5914 (display_help): Make variable `i' an `unsigned long'.
5915 (main): Remove unused parameter `envp'.
5916 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5917 Cast -1 when comparing it with a `size_t'.
5919 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5920 prototype with ATTRIBUTE_NORETURN.
5921 (fatal_insn_not_found, fatal_insn, really_sorry,
5922 push_float_handler, pop_float_handler): Add prototypes.
5923 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5924 (do_abort, botch): Add prototypes.
5926 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5928 * final.c (final): If a label is reached only from a single jump,
5929 call NOTICE_UPDATE_CC on the jump and its predecessor before
5930 emitting the insn after the label.
5932 * i386.h: Add AMD K6 support.
5933 Change TARGET_* macros to use table lookup.
5934 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5935 (ADJUST_COST): Change definition to call function in i386.c.
5936 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5937 * i386.c: Add AMD K6 support.
5938 Add constants for feature tests used by TARGET_* macros.
5939 (split_di): If before reload, call gen_lowpart and gen_highpart.
5940 (x86_adjust_cost): New function.
5941 (put_jump_code): New function.
5942 (print_operand): New codes 'D' and 'd'.
5943 * i386.md: New insn types. New insn attribute "memory".
5944 Redefine scheduling parameters to use new types and add AMD K6
5945 support. Explicitly set type of most insns.
5946 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5947 Pro and K6 prefer movl $1,reg to incl reg.
5948 (adddi3, subdi3): Set cc_status.
5949 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5950 to int; x86 can't have more than 2^31 DImode shifts per file.
5951 (setcc): Combine all setcc patterns. Allow writing memory.
5952 Combine all jump patterns using match_operator.
5953 (*bzero): Name pattern. Emit mutliple stos instructions when that
5954 is faster than rep stos.
5955 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5958 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5960 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5963 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5965 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5966 not whatever we're generating now.
5968 * alpha.c (set_frame_related_p, FRP): New.
5969 (alpha_expand_prologue): Mark frame related insns.
5970 (alpha_expand_epilogue): Likewise, but with a null FRP.
5971 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5972 * alpha.md (exception_receiver): New.
5973 * alpha/crtbegin.asm (.eh_frame): New beginning.
5974 (__do_frame_setup, __do_frame_takedown): New.
5975 * alpha/crtend.asm (.eh_frame): New ending.
5976 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5977 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5978 (ASM_FILE_START): Don't emit .file for dwarf2.
5980 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5981 * rtl.c (reg_note_name): Likewise.
5982 * rtl.texi (REG_NOTES): Likewise.
5983 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5986 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5988 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5989 * i386.md (movsf, movdf, movxf): Validate memory address returned
5990 from force_const_mem. Kill useless REG_EQUAL setting code.
5992 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5994 * m68k.md (zero_extendsidi2): Fix typo.
5996 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5998 * configure.in: Removed references to the removed file
5999 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
6000 * arm*-*-netbsd* and ns32k-*-netbsd*.
6001 * config/i386/xm-netbsd.h: Removed unnecessary file.
6002 * config/m68k/xm-netbsd.h: Likewise.
6003 * config/sparc/xm-netbsd.h: Likewise.
6004 * config/mips/xm-netbsd.h: Likewise.
6006 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
6008 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
6009 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
6011 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
6012 for exact section attributions.
6014 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
6016 * i386/crtdll.h (CPP_PREDEFINES): Define.
6018 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
6020 * m68k.md (5200 movqi): Do not allow byte sized memory references
6022 * m68k.c (output_move_qimode): Do not use byte sized operations on
6025 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
6026 explicit rules for building. Similarly for alloca, vfprintf,
6027 choose-temp and mkstemp, getopt, getopt1, and obstack.
6028 (INCLUDES): Add $(srcdir)/../include.
6029 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
6030 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
6032 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
6034 * gcc.c (do_spec_1): [case 'o'] Account for
6035 lang_specific_extra_outfiles.
6036 (main): Correctly clear all slots in outfiles for
6037 lang_specific_extra_outfiles. Set input_file_number before
6038 calling lang_specific_pre_link.
6040 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
6042 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
6044 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6046 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
6048 (sparc_output_deferred_case_vectors): If no work to do, return.
6049 Fix thinko in Sept 1 change.
6051 1998-09-03 SL Baur <steve@altair.xemacs.org>
6053 * Makefile.in: add semicolon in BISON definition for portability.
6055 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6057 * config/nextstep.c (handle_pragma): Correct name of third
6060 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
6062 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
6063 * config/m32r/m32r.h: Make register 17 be fixed.
6064 * config/m32r/m32r.c: Use SImode for cc operations.
6066 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
6068 * invoke.texi (Warning Options): Add -Wnon-template-friend
6071 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
6073 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
6075 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
6077 * rs6000.md (movsf): Disable explicit secondary-reload-like
6078 functionality if TARGET_POWERPC64.
6079 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
6082 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
6084 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
6085 and term.h from fixinc.wrap.
6087 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6089 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
6090 safe to include both string.h and strings.h together.
6091 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
6092 which headers to search for function declarations. Continue to
6093 prefer string.h over strings.h when both are not acceptable.
6095 * acconfig.h (STRING_WITH_STRINGS): Add stub.
6097 * configure.in: Call GCC_HEADER_STRING.
6099 * system.h: Test STRING_WITH_STRINGS when deciding which headers
6100 to include. Continue to prefer string.h over strings.h when both
6103 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6105 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6106 not assume top 32-bits of symbolic addresses are zero if
6109 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6111 * ginclude/va-alpha.h: Protect entire second portion of the
6112 file against double inclusion.
6114 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6116 Added support for the Boehm's garbage collector.
6117 * configure.in: Handle --enable-objc-gc.
6118 * configure: Rebuilt.
6119 * Makefile.in (CHECK_TARGETS): Add check-objc.
6120 (check-objc): New rule.
6121 * objc/Make-lang.in: Build a different Objective-C library that
6122 runs with the Boehm's collector.
6123 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6124 * objc/encoding.c: Correctly compute the size of compound types in
6125 the presence of bitfields. Skip the variable name of the type if
6126 any. Added support for long long.
6127 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6128 (_F_GCINVISIBLE): New mask.
6129 * objc/gc.c: New file. Compute the type memory mask associated with
6130 a class based on the runtime information.
6131 * objc/misc.c: Added the hooks that use the Boehm's collector
6132 allocation functions.
6133 * objc/objc-act.c (build_class_template): Generate a new class
6134 member (gc_object_type) to hold the class' type memory mask.
6135 (build_shared_structure_initializer): Initialize the new member to
6137 (encode_complete_bitfield): New function. Generate the new
6139 (encode_field_decl): Generate the new encoding only for the GNU
6141 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6143 (class_get_gc_object_type): New function to mark a pointer instance
6144 variable as a weak pointer.
6145 * objc/objc-features.texi: New file.
6146 * objc/objc.h (gc_object_type): New class member.
6147 * objc/objects.c (class_create_instance): Create a typed memory
6148 object when compiled with Boehm's collector support.
6149 * objc/sendmsg.c (__objc_init_install_dtable): Call
6150 __objc_send_initialize instead of setting the initialize flag.
6151 (__objc_send_initialize): Call __objc_generate_gc_type_description
6152 to generate the class type memory mask. Rewrite the code that
6153 sends the +initialize so that it is called only once (bug report
6154 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6155 * testsuite/objc: New testsuite for Objective-C type encoding.
6156 * testsuite/lib/objc-torture.exp: New file.
6157 * testsuite/lib/objc.exp: New file.
6159 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6161 * jump.c (jump_optimize): In if/then/else transformations, add
6162 another call to modified_between_p for the jump insn.
6164 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6166 * fix-header.c (symlink): Treat like readlink.
6168 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6170 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6173 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6175 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6176 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6177 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6179 * config/nextstep.c (handle_pragma): Take three arguments, as per
6180 the new HANDLE_PRAGMA macro specification.
6181 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6182 per the new HANDLE_PRAGMA macro specification.
6183 * config/i960/i960.c (process_pragma): Take three arguments, as
6184 per the new HANDLE_PRAGMA macro specification.
6186 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6188 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6189 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6190 if unknown pragmas are encountered.
6191 (handle_sysv_pragma): Interpret return code from
6192 handle_pragma_token (). Return success/failure indication rather
6193 than next unprocessed character.
6194 (pragma_getc): New function: retrieves characters from the
6195 input stream. Defined when HANDLE_PRAGMA is enabled.
6196 (pragma_ungetc): New function: replaces characters back into the
6197 input stream. Defined when HANDLE_PRAGMA is enabled.
6199 * c-pragma.c (handle_pragma_token): Return success/failure status
6202 * c-pragma.h: Change prototype of handle_pragma_token().
6204 * varasm.c: (handle_pragma_weak): Only create this function if
6205 HANDLE_PRAGMA_WEAK is defined.
6207 * c-common,c (decl_attributes): If defined call the expression
6208 contained within the INSERT_ATTRIBUTES macro before adding
6209 attributes to a decl.
6211 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6212 HANDLE_PRAGMA, which takes three arguments.
6213 (INSERT_ATTRIBUTES): Document this new macro.
6215 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6216 new INSERT_ATTRIBUTES macro.
6218 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6220 * config/sparc/sparc.md (movdf): Only generate special RTL for
6221 LABEL_REFs when PIC.
6222 (move_label_di): Remove
6223 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6224 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6225 references when PIC.
6226 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6227 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6228 output an .xword for all 64-bit cases.
6230 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6232 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6233 alignment, use FUNCTION_BOUNDARY instead.
6234 (sparc_output_deferred_case_vectors): Likewise.
6236 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6238 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6239 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6241 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6243 * alpha/va_list.h: New file.
6244 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6246 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6248 * NEWS: Add SCO Openserver and Unixware 7 notes.
6252 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6254 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6255 (record_constant_1): Handle RANGE_EXPR.
6257 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6259 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6260 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6261 and NOTE_INSN_RANGE_END specially.
6262 (reemit_notes): Likewise.
6264 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6266 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6267 (ultrasparc_sched_init): Remove unneeded &.
6269 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6271 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6272 for m68020-60, to prevent the use of fintrz.
6274 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6276 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6278 * Makefile.in: Likewise.
6279 * configure: Regenerated.
6281 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6283 * configure.in (gxx_include_dir): Changed to
6284 '${prefix}/include/g++'-${libstdcxx_interface}.
6285 * configure: Rebuilt.
6287 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6289 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6291 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6292 *sequences* *below* which scalar moves will be used.
6294 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6296 * collect2.c (mktemp): Delete unused declaration.
6298 * config/xm-netbsd.h: Remove unnecessary file.
6299 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6300 file anymore, it is not needed.
6302 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6304 * convert.c (convert_to_integer): Issue an error on conversions to
6307 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6309 * Makefile.in: Add lang_tree_files and gencheck.h.
6310 * configure.in: Generate them.
6311 * gencheck.c: Include gencheck.h.
6313 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6315 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6316 movdi_lo_sum_pic and movdi_high_pic and make visible.
6317 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6318 emit these when Pmode is not SImode.
6319 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6321 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6323 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6324 .linkonce directive after the first time.
6326 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6328 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6329 the clobbered operand overlaps with an input.
6330 (bne0_di): Similarly.
6332 * Makefile.in (INSTALL): Remove "--no-header" argument.
6334 * NEWS: Various updates.
6336 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6338 * config/sparc/sparc.c (arith_operand, const64_operand,
6339 const64_high_operand, arith_double_4096_operand): Mark mode as
6341 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6343 (sparc_emit_set_const64): Remove unused variable i.
6344 (sparc_splitdi_legitimate): Likewise for addr_part.
6345 (ultra_code_from_mask): Likewise for mask.
6346 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6347 reverse return values so it matches usage and comments.
6348 (ultra_flush_pipeline): Likewise.
6349 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6350 this_type, and allow loads and stores of differing FP modes as
6351 they do not create a conflict.
6352 (ultra_find_type): Initialize fpmode to SFmode, fix
6353 parenthesization thinkos in large conditional.
6354 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6355 Init free_slot_mask after ultra_cur_hist is reset, not before.
6356 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6357 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6358 use ultra_flush_pipeline instead, then re-init group pointer.
6359 Fix statement with no effect. If no progress made in, and no
6360 instructions scheduled at all, advance to new pipeline cycle else
6361 we get into an endless loop.
6362 (ultrasparc_adjust_cost): Remove previous arg.
6363 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6365 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6367 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6368 code. Use reg_overlap_mentioned_p to detect when source and
6369 destination overlap.
6370 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6372 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6374 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6375 COMPARISON_VAL, into invariant_p.
6377 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6379 * regmove.c (regclass_compatible_p): New function.
6380 (regmove_optimize): Use it.
6382 Use NREGS parameter insted of calling max_reg_num.
6384 (fixup_match_1): Don't use code = MINUS when later tieing with
6385 a hard register is likely.
6387 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6389 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6390 COMPARISON_VAL was normalized.
6392 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6394 * loop.c (check_dbra_loop): The loop ending comparison value
6395 must be an invariant or we can not reverse the loop.
6397 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6398 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6400 (load_mems_and_recount_loop_regs_set): Likewise.
6402 * i386.c (print_operand): Remove obsolete 'c' docs.
6404 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6406 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6407 * frame.c (init_object_mutex): New function.
6408 (init_object_mutex_once): Likewise.
6409 (find_fde): Call it.
6410 (__register_frame_info): Likewise.
6411 (__register_frame_info_table): Likewise.
6412 (__deregister_frame_info): Likewise.
6414 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6416 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6418 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6420 * loop.c (check_dbra_loop): Enable code for reversal
6421 of some loops without a known constant loop end.
6423 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6425 * haifa-sched.c (last_clock_var): New.
6426 (schedule_block): Initialize it.
6427 (schedule_insn): Use it to fill insn modes with issue information.
6429 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6430 Tag trapb and next insn with TImode.
6431 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6432 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6433 Invoke alphaev5_align_insns as appropriate.
6434 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6435 (MD_SCHED_VARIABLE_ISSUE): New.
6436 * alpha.md (attr type): Add multi.
6437 (define_asm_attributes): New.
6438 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6439 (arg_home): Likewise.
6440 (fnop, unop, realign): New.
6442 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6444 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6445 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6447 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6448 (rs6000-ibm-aix4.[12]*): Likewise.
6449 * configure: Regnerate.
6451 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6453 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6454 already contains the return address.
6456 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6458 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6459 word sized hunks when loading unaligned args into registers.
6461 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6462 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6464 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6466 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6468 * loop.c (check_dbra_loop): Add some code that would allow reversal
6469 of some loops without a known constant loop end if it were enabled.
6471 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6473 * mips.md (lshrsi3_internal2+2): Fix type-o.
6475 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6477 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6478 correctly with regards to stdio.h.
6480 * calls.c: Remove stdarg.h/varargs.h.
6483 * combine.c: Likewise.
6484 * cpperror.c: Likewise.
6485 * cpplib.c: Likewise.
6486 * cpplib.h: Likewise.
6487 * doprint.c: Likewise.
6488 * emit-rtl.c: Likewise.
6489 * final.c: Likewise.
6490 * fix-header.c: Likewise.
6492 * genattr.c: Likewise.
6493 * genattrtab.c: Likewise.
6494 * gencodes.c: Likewise.
6495 * genconfig.c: Likewise.
6496 * genemit.c: Likewise.
6497 * genextract.c: Likewise.
6498 * genflags.c: Likewise.
6499 * genopinit.c: Likewise.
6500 * genoutput.c: Likewise.
6501 * genpeep.c: Likewise.
6502 * genrecog.c: Likewise.
6503 * mips-tfile.c: Likewise.
6504 * prefix.c: Likewise.
6505 * protoize.c: Likewise.
6506 * regmove.c: Likewise.
6507 * toplev.c: Likewise.
6510 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6512 * config/sparc/sparc.c (sparc_override_options): If not
6513 TARGET_FPU, turn off TARGET_VIS.
6514 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6515 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6516 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6517 (movdi_insn_sp64): Add VIS fzero alternative.
6518 (clear_sf, clear_df): New VIS patterns.
6519 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6521 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6523 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6525 * loop.c (n_times_set, n_times_used, may_not_optimize,
6526 reg_single_usage): Convert to varrays. All uses changed.
6527 (insert_loop_mem): Return a value.
6528 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6529 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6532 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6535 * configure.in: Do not set thread_file to "irix" since no such
6538 * sparc.md (float abs/neg splits): Check reload_completed before
6539 calling alter_subreg.
6541 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6543 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6545 * config/sparc/sparc.h: Declare it.
6546 * config/sparc/sparc.md (float abs/neg splits): Use it.
6547 (all other splits): Handle SUBREGs properly where necessary.
6548 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6550 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6552 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6553 an insn on the unfilled_slots_list that has no delay slots.
6554 (fill_eager_delay_slots): Similarly.
6556 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6558 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6559 as an ordinary operand.
6561 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6563 * tree.c (valid_machine_attribute): Don't apply attributes to both
6566 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6568 * reload.c (operands_match_p): Handle rtvecs.
6570 * i386.c (legitimate_pic_address_disp_p): New.
6571 (legitimate_address_p): Use it.
6572 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6573 Handle constant pool symbols just like statics.
6574 (emit_pic_move): Use Pmode not SImode for clarity.
6575 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6576 [UNSPEC]: New, handling what we killed above.
6577 [PLUS]: Detect and abort on invalid symbol arithmetic.
6578 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6580 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6582 * alias.c: Include output.h.
6583 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6584 different if we're in a varargs function.
6585 * Makefile.in (alias.o): Depend on output.h
6587 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6589 * sh.h (GIV_SORT_CRITERION): Delete.
6591 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6593 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6594 * stupid.c (stupid_life_analysis): Ditto.
6595 * reload1.c (reload): Ditto.
6597 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6599 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6600 arith_double_4096_operand, arith_double_add_operand): New
6602 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6603 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6604 them to transform add/sub 4096 into add/sub -4096.
6606 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6608 * loop.c (scan_loop): Allocate some slop to handle pseudos
6609 generated by move_movables.
6610 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6613 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6615 * tree.def (DECL_RESULT): Correct documentation.
6617 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6619 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6620 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6621 conflicts will all RELOAD_FOR_OUTPUT reloads.
6623 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6624 loads the function result, substitute with a USE.
6626 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6628 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6629 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6630 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6631 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6632 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6633 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6635 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6636 'o' to 'm' for GPR variant constraints.
6638 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6640 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6642 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6644 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6645 when the source and destination overlap.
6647 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6648 clash with global type.
6650 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6652 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6654 * c-common.c (combine_strings): Also set TREE_READONLY.
6655 Change warn_write_strings to flag_const_strings.
6656 * c-decl.c, c-tree.h: Likewise.
6658 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6660 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6661 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6662 sequence, use SET/IOR instead so CSE can see it.
6663 * config/sparc/sparc.md (movhi_const64_special,
6664 movsi_const64_special): New patterns necessitated by that change.
6665 (movhi_high): Remove.
6666 (movhi_lo_sum): Change to match an IOR.
6667 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6668 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6669 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6670 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6671 registers are involved.
6672 (snesi_zero_extend split): Remove reload_completed test.
6673 (unnamed plus and minus zero_extend sidi splits): Add it.
6675 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6677 * extend.texi: Remove description of extension to explicit
6678 instantiation that is now endorsed by standard C++.
6680 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6682 * config/arc/arc.c (arc_initialize_pic): Remove.
6683 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6684 nothing on any platform and is invoked by no-one, it does not even
6685 appear in the documentation.
6686 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6687 * config/sparc/sparc.c (initialize_pic): Likewise.
6688 (find_addr_reg): Remove this as well, no longer referenced after
6691 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6693 * recog.c (validate_replace_rtx_group): New function.
6694 * recog.h (validate_replace_rtx_group): Declare it.
6695 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6696 the entire group of substitutions.
6698 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6700 * loop.c (load_mems): Fix initializers.
6702 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6704 * config/sparc/sparc.md (TFmode splits): Handle destination
6705 registers being referenced in the address correctly.
6707 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6708 TREE_UNSIGNED, when bitsize of type's mode is larger than
6709 HOST_BITS_PER_WIDE_INT.
6711 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6713 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6714 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6715 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6717 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6720 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6722 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6723 * h8300.h (TINY_DATA_NAME_P): Likewise.
6724 (STRIP_NAME_ENCODING): Handle '&'.
6726 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6727 register (it could be accessed via an outer SUBREG).
6728 (REG_OK_FOR_BASE_P): Likewwise.
6729 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6731 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6734 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6736 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6738 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6739 must be offsettable so the splits can be made.
6741 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6743 * config/i386/winnt.c: Include system.h, not stdio.h to get
6744 sys/param.h pulled in before rtl.h in case the system defines MIN
6747 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6749 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6751 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6753 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6755 * cpplib.c (cpp_define): Handle macros with parameters.
6757 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6759 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6760 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6761 and DImode 64-bit. Use llong for minimal-toc SFmode and
6762 SYMBOL_REF / LABEL_REF 64-bit.
6763 (output_function_profiler): Use llong for profiler label and ld to
6764 load 64-bit label address.
6766 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6768 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6771 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6773 * version.c: Bump for snapshot.
6775 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6777 * version.c: Bump for snapshot.
6779 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6781 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6783 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6785 * tm.texi (Misc): Fix typo "teh".
6787 * tm.texi (PIC): Fix typo "PPIC".
6789 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6790 effect when -O2 and higher.
6791 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6793 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6795 * regclass.c: Changed register set documentation to be consistent
6798 * final.c (final_start_function) Removed redundant test for
6801 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6803 * rtl.h (rtx_function): New type.
6804 (for_each_rtx): New function.
6805 * rtlanal.c (for_each_rtx): Define it.
6807 * recog.c (change_t): New type.
6808 (change_objects, change_old_codes, change_locs, change_olds):
6810 (changes): New variable.
6811 (validate_change): Dynamically allocate room for more changes, if
6812 necessary. Uses changes array instead of change_objects, etc.
6813 (apply_change_group): Use changes array instead of
6814 change_objects, etc.
6816 * loop.c (loop_mem_info): New type.
6817 (loop_mems): New variable.
6818 (loop_mems_idx): Likewise.
6819 (looop_mems_allocated): Likewise.
6820 (scan_loop): Remove nregs parameter.
6821 (next_insn_in_loop): New function.
6822 (load_mems_and_recount_loop_regs_set): Likewise.
6823 (load_mems): Likewise.
6824 (insert_loop_mem): Likewise.
6825 (replace_loop_mem): Likewise.
6826 (replace_label): Likewise.
6827 (INSN_IN_RANGE_P): New macro.
6828 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6829 (scan_loop): Remove nregs parameter, compute it after any new
6830 registers are created by load_mems. Use INSN_IN_RANGE_P and
6831 next_insn_in_loop rather than expanding them inline. Call
6832 load_mems to load memory into pseudos, if appropriate.
6833 (prescan_loop): Figure out whether or not there are jumps from the
6834 loop to targets other than the label immediately following the
6835 loop. Call insert_loop_mem to notice all the MEMs used in the
6836 loop, if it could be safe to pull MEMs into REGs for the duration
6838 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6840 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6842 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6844 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6846 * config/sparc/sparc.c (finalize_pic): Check for the correct
6847 nonlocal_goto_receiver UNSPEC number.
6848 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6849 making note of this dependency existing in sparc.c
6850 (negtf2_notv9 split): Give NEG SFmode.
6851 (negsf2): Fix insn output string.
6853 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6855 * c-common.c (decl_attributes): Issue an error if the argument
6856 to alias is not a string.
6858 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6860 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6861 pending memory flush list.
6863 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6865 (try_combine): Allow combining insns with REG_LIBCALL notes.
6867 * expr.c (emit_block_move): Do not call memcpy as a libcall
6868 instead build up a CALL_EXPR and call it like any other
6870 (clear_storage): Similarly for memset.
6872 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6875 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6878 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6879 and REG_LIVE_LENGTH as successful substitutions are made.
6881 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6883 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6884 statement after end of loop label.
6886 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6888 * config/sparc/sparc.c (ultra_types_avail): New variable.
6889 (ultra_build_types_avail): New function to record mask of insn
6890 types in ready list at this cycle.
6891 (ultrasparc_sched_reorder): Call it.
6892 (ultra_find_type): Use it to quicken the search. Also simplif
6893 dependency check, don't use rtx_equal_p because we know exactly
6894 what we are looking for.
6896 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6898 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6899 for architecture v4.
6901 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6903 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6905 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6906 movdf_const_intreg and helper splits): New patterns to move float
6907 constants into integer registers.
6908 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6911 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6914 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6916 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6918 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6919 a BASE_REGS register is needed as an intermediate when copying
6920 a symbolic value into any register class other than BASE_REGS.
6922 * expr.c (move_by_pieces): No longer static. Remove prototype.
6923 * rtl.h (move_by_pieces): Add extern prototype.
6924 * mips.c (expand_block_move): Handle aligned straight line copy by
6925 calling move_by_pieces.
6927 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6930 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6932 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6933 jumps out of the loop to be treated as part of the exit test.
6935 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6936 Jeff Law <law@cygnus.com>
6938 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6939 * cplus-dem.c: Delete.
6941 * Makefile.in (fold-const.o): depend on $(RTL_H).
6943 * fold-const.c: Include rtl.h to get the prototype for
6944 `set_identifier_local_value'.
6946 * loop.c (express_from_1): Remove unused variable `tmp'.
6947 (combine_givs): cast the first argument of bzero to char *.
6949 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6951 * c-decl.c (init_decl_processing): Remove unneeded &.
6953 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6955 * except.c (set_exception_lang_code, set_exception_version_code):
6956 Change parameter from `short' to `int' to avoid using a gcc
6959 * except.h (set_exception_lang_code, set_exception_version_code):
6960 Likewise for prototypes.
6962 * flow.c (count_reg_references): Remove unused variables `regno'
6965 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6967 * prefix.c (translate_name): Cast the result of `alloca'.
6969 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6971 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6973 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6975 (valid_dbcc_comparison_p): Mark mode argument as unused.
6976 (symbolic_operand): Likewise.
6977 (legitimize_pic_address): Likewise.
6978 (const_uint32_operand): Likewise.
6979 (const_sint32_operand): Likewise.
6980 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6981 schedule_insns and comment out rest of file.
6983 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6985 (output_move_[hq]imode): Likewise.
6987 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6989 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6990 * invoke.texi: Corresponding changes.
6992 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6994 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6996 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6998 * config/sparc/sparc.c (ultra_code_from_mask,
6999 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
7000 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
7001 ultrasparc_sched_init, ultrasparc_variable_issue,
7002 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
7003 functions to describe UltraSPARC pipeline exactly to Haifa.
7004 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
7005 as there is nothing the scheduler can do about it. Indicate that
7006 REG_DEP_OUTPUT's collide. Fixup formatting.
7007 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
7008 divide costs on Ultra for DImode.
7009 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
7011 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
7012 ieuN and add call_no_delay_slot to type list.
7013 (cti function unit): New unit for branches on UltraSPARC.
7014 (subx/addx insns): Set type to misc.
7015 (sidi zero/sign extension insns on arch64): Set type to shift.
7016 (sign_extendhidi2_insn): Set type to sload.
7018 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
7020 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
7021 (output_epilog): Use if != 0 for offset.
7022 (rs6000_fatal_bad_address): Prepare for Intl.
7023 * rs6000.h (rs6000_fatal_bad_address): Declare.
7024 * rs6000.md (movsfcc, movdfcc): Use else if.
7025 (elf_high): Use {liu|lis}.
7026 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
7027 (movsi): Use rs6000_fatal_bad_address.
7029 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
7031 * reload.c (find_equiv_reg): Reject equivalences separated
7032 by a volatile instruction.
7034 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7036 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
7038 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
7040 * alpha.md (movsicc): Fix mode mismatch.
7042 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
7044 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
7046 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
7048 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7050 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
7051 write-only modifier from operand 1 constraint.
7053 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7055 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
7056 emitting a XOR of -1 at the end, emit a NOT instead for combine's
7058 (sparc_emit_set_const64): Likewise, also when computing trailing
7059 bits do not negate low_bits and make fast_int an int.
7061 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
7063 * loop.c (add_label_notes): Do not ignore references to labels
7064 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
7065 * gcse.c (add_label_notes): Similarly.
7067 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
7069 * m68k.md (adddi_dilshr32): One of the operands must be a register.
7070 (adddi_dishl32): Similarly.
7072 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
7074 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
7075 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
7076 * cse.c (cse_basic_block): Add parens to shut up warnings.
7078 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7080 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
7081 sparc_emit_set_const64_longway, const64_is_2insns,
7082 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
7083 in 64-bit constant formation.
7084 * config/sparc/sparc.md (snesi_zero_extend split): Generate
7085 rtl for addx not subx.
7086 (define_insn movdi_const64_special): Make available even when
7087 HOST_BITS_PER_WIDE_INT is not 64.
7088 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
7089 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
7090 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
7091 instances of operand 1 inside a QI subreg.
7092 (xordi3_sp64_dbl): Remove '%' constraint for op1.
7093 (one_cmpldi2_sp64): Fix output string.
7094 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
7096 (unnamed arch64 ashift DI): Truncate shift count if greater than
7099 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7101 * expr.c (store_expr): Don't optimize away load-store pair
7102 when either source or destination have a side effect.
7104 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7106 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7107 operands of SET are incompatible.
7109 * alpha.md: Fix max and min patterns so modes of SET operands match.
7111 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7113 * configure.in: Avoid [[ by using test and changequote.
7114 * configure: Rebuild.
7116 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7118 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7120 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7121 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7122 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7123 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7124 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7125 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7126 Fix mismatching modes in SET operands.
7127 (conditional move patterns): Fix formatting.
7128 (unnamed subx arch64 pattern): Remove duplicate insn.
7130 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7132 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7133 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7134 (input_operand): Fixup test for what we accept for constant
7136 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7138 (safe_constDI): Remove.
7139 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7140 gen_safe_XOR64): New functions.
7141 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7142 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7144 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7145 available when HOST_BITS_PER_WIDE_INT is not 64.
7146 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7147 move before movdi_insn_sp64 pattern.
7148 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7149 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7150 symbolic_operand as predicate for second operand.
7151 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7152 expander): Give set VOIDmode.
7154 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7156 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7158 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7160 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7162 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7164 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7166 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7168 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7170 * install.texi: Various SCO OpenServer tweaks.
7172 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7174 * reload1.c (eliminate_regs_in_insn): Handle another case when
7175 eliminating the frame pointer to the hard frame pointer. Add
7176 missing ep->to_rtx check to one existing case.
7178 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7180 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7182 * tree.h: De-conditionalize init_priority code.
7184 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7185 * collect2.c (NM_FLAGS): Change from -p to -n.
7187 * configure.in: Turn on collect2 for mipstx39-elf.
7188 Handle use_collect2=no properly.
7190 * c-common.c: De-conditionalize init_priority code.
7191 * collect2.c (extract_init_priority, sort_ids): New fns.
7192 (main): Call sort_ids.
7193 Move sequence_number to file scope.
7195 * configure.in: Handle --enable-init-priority.
7196 * c-common.c (attrs): Add A_INIT_PRIORITY.
7197 (init_attributes, decl_attributes): Likewise.
7198 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7199 * tree.c (get_file_function_name_long): Split out...
7200 (get_file_function_name): ...from here.
7202 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7204 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7207 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7209 * toplev.c (display_help): Add braces to shut up warnings.
7210 * tree.c (simple_cst_equal): Likewise.
7212 * fold-const.c (non_lvalue): Don't deal with null pointer
7214 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7216 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7217 of any size to a pointer.
7219 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7221 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7223 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7225 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7226 which will be saved.
7227 * mn10300.md (prologue insn): Only save registers which need saving.
7228 (epilogue insn): Similarly.
7230 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7233 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7235 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7236 VAR_DECL's in gp addressable sections.
7238 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7240 * sparc.c: Change return <exp> to <exp>; return; in functions
7242 * sparc.md: Add empty semicolon statement after final label in
7245 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7247 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7248 addx_extend_sp64, only allow when TARGET_ARCH64.
7249 (define_insn addx_extend_sp32 and split): Version that works when
7251 (define_insn subx_extend): Likewise.
7252 (define_split adddi3 and subdi3 with zero extension): Fixup and
7253 correct bugs when not TARGET_ARCH64.
7255 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7257 * except.c (set_exception_lang_code, set_exception_version_code):
7258 Use prototype-style definition if __STDC__, to match declaration
7261 * genemit.c: Change FAIL and DONE macros not to use loops.
7263 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7265 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7266 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7268 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7270 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7272 * README.g77: Update from Craig.
7274 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7276 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7278 (safe_constDI sparc_emit_set_const64_quick1,
7279 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7280 analyze_64bit_constant, const64_is_2insns,
7281 create_simple_focus_bits): Fix some bugs when compiled on real
7283 (function_arg_record_value_3, function_arg_record_value_2,
7284 function_arg_record_value): Add fully prototyped forward decls.
7285 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7286 to cmpsi_insn and use on both 64 and 32 bit targets.
7287 (define_insn cmpsi_insn_sp64): Remove.
7288 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7289 (define_insn zero_extendsidi2_insn): Rename to
7290 zero_extendsidi2_insn_sp64.
7291 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7292 assosciated forced split for it.
7294 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7296 * config/sparc/sparc.h: Declare them.
7297 (PREDICATE_CODES): Add them.
7298 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7299 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7301 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7303 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7304 in v9 case as the latter makes the Solaris assembler crash.
7306 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7308 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7309 for TFmode when !v9. We require offsettable memory addresses.
7310 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7311 DFmode register number conversions.
7312 * config/sparc/sparc.md (define_split DFmode moves): If register
7313 is a SUBREG do alter_subreg on it before using.
7314 (define_expand movtf): Fixup comment about alignment on v9.
7315 (define_split TFmode moves): Don't use gen_{high,low}part, create
7316 explicit SUBREGs instead.
7318 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7320 * Makefile.in (mbchar.o): Depend on mbchar.c.
7322 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7323 Richard Henderson <rth@cygnus.com>
7325 Rewrite Sparc backend for better code generation and
7326 improved sparc64 support.
7327 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7329 * config/sparc/sysv4.h: Likewise.
7330 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7331 move_operand, v8plus_regcmp_op, emit_move_sequence,
7332 singlemove_string, doublemove_string, mem_aligned_8,
7333 output_move_double, output_move_quad, output_fp_move_double,
7334 move_quad_direction, output_fp_move_quad, output_scc_insn):
7336 (small_int_or_double): New predicate.
7337 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7338 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7339 old pic_{sethi,lo_sum}_si patterns.
7340 (mem_min_alignment): New generic function to replace
7341 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7342 available and can test for arbitrary alignments. All callers
7344 (save_regs, restore_regs, build_big_number,
7345 output_function_prologue, output_cbranch, output_return,
7346 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7347 sparc_flat_output_function_epilogue): Prettify
7349 (output_function_epilogue): Likewise and add code to output
7350 deferred case vectors.
7351 (output_v9branch): Likewise, add new arg INSN and use it to tack
7352 on branch prediction settings. All callers changed.
7353 (print_operand): Likewise and output %l44 for LO_SUMs when
7355 (sparc_splitdi_legitimate): New function to make sure DImode
7356 splits can be run properly when !arch64.
7357 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7358 Reformat example code in comments.
7359 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7360 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7361 of deferred case vectors we need to output.
7362 (sparc_defer_case_vector): Record a case vector.
7363 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7364 sparc_output_deferred_case_vectors): New functions to output them.
7365 (sparc_emit_set_const32): New function to form 32-bit constants in
7366 registers when that requires more than one instruction.
7367 (safe_constDI, sparc_emit_set_const64_quick1,
7368 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7369 analyze_64bit_constant, const64_is_2insns,
7370 create_simple_focus_bits, sparc_emit_set_const64): New functions
7371 which do the same for 64-bit constants when arch64.
7372 (sparc_emit_set_symbolic_const64): New function to emit address
7373 loading for all code models on v9.
7374 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7375 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7376 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7377 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7378 inaccuracies in comments, add symbolic and text_segment operands
7379 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7380 GENERAL_REGS in these cases as a temp REG is needed to load these
7381 addresses into a register properly.
7382 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7384 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7385 quads are guarenteed to have 16-byte alignment.
7386 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7387 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7388 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7389 deferred case vector implementation.
7390 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7391 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7392 Generate "internal label - label" instead of "label - 1b".
7393 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7394 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7395 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7397 (doublemove_string, output_block_move, output_fp_move_double,
7398 output_fp_move_quad, output_move_double, output_move_quad,
7399 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7400 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7401 (sparc_emit_set_const32, sparc_emit_set_const64,
7402 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7403 mem_min_alignment, small_int_or_double): Add externs.
7404 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7405 UNSPEC_VOLATILE in this backend.
7406 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7407 unary to types which execute in it.
7408 (define_function_unit ieu_shift): Rename to ieu0.
7409 (define_function_unit ieu1): New, executes compare, call, and
7410 uncond_branch type insns.
7411 (define_function_units for type fdivs, fdivd, fsqrt): These
7412 execute in the fpu multiply unit not the adder on UltraSparc.
7413 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7414 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7415 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7416 allows the arith_double_operand predicate and rHI constraint when
7418 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7419 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7420 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7421 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7422 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7423 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7424 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7425 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7426 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7427 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7428 sign_extendqihi2_insn, sign_extendqisi2_insn,
7429 sign_extendqidi2_insn, sign_extendhidi2_insn,
7430 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7431 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7432 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7433 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7434 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7435 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7436 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7437 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7438 smulsi3_highpart_v8plus, unnamed subreg mult,
7439 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7440 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7441 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7442 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7443 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7444 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7445 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7446 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7447 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7448 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7449 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7450 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7451 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7452 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7453 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7454 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7455 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7456 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7457 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7458 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7459 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7460 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7461 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7462 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7463 call_address_untyped_struct_value_sp32,
7464 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7465 call_value_symbolic_sp32, call_value_address_sp64,
7466 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7467 flush_register_windows, goto_handler_and_restore,
7468 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7469 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7470 return_addsi, return_di, return_adddi, return_sf, all call+jump
7471 peepholes, trap, unnamed trap insns): Prettify output strings.
7472 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7473 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7474 Likewise and force + implement splits for integer cases.
7475 (define_insn return_sf_no_fpu): Likewise and allow to match when
7476 no-fpu because of our subreg SFmode splits.
7477 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7478 zero_extendqidi2_insn, zero_extendhidi2_insn,
7479 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7480 input_operand for second operand.
7481 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7482 reg_or_0_operand for operand 2 so new splits can use it.
7483 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7484 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7486 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7487 CONST_DOUBLEs for operand 2.
7488 (define_insn move_label_di): Likewise and label distance
7489 optimization because it no longer works with new deferred case
7490 vector scheme. To be revisited.
7491 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7492 and allow reg_or_0_operand and J constraint for second operand.
7493 (define_insn jump): Set branch predict taken on V9.
7494 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7495 new deferred case vector scheme.
7496 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7497 (define_insn negdi2_sp32): Force + implement splits.
7498 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7499 one_cmplsi2_not_liveg0 respectively, and create expander of original
7500 names which emit special rtl for TARGET_LIVE_G0.
7501 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7502 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7503 gen_compare_reg, FAIL instead.
7504 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7505 values when trying to reverse condition codes, if they FAIL then
7507 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7508 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7509 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7510 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7511 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7512 set output string to # to indicate they are mandatory splits.
7513 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7514 pic_sethi_di, move_pic_label_si): Remove.
7515 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7516 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7518 (define_expand movsi_pic_label_ref, define_insn
7519 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7520 expander and insns to handle PIC label references and deferred
7522 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7524 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7525 Rewrite to not use emit_move_sequence, make use of new constant
7526 formation code, and new splits for all multi-insn cases.
7527 (define_insn movqi_insn): Remove sethi case, it can never happen.
7528 Use reg_or_zero_operand instead of const0_rtx explicit test,
7529 use input_operand instead of move_operand for source, and use
7530 general_operand now for dest.
7531 (define_insn movhi_insn): Similar but leave sethi case.
7532 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7533 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7534 movhi_lo_sum respectively, prettify output string.
7535 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7536 register when needed on TARGET_LIVE_G0.
7537 (define_insn movsi_insn): Use general_operand and input_operand
7538 for dest and src respectively. Simplify applicability test.
7539 Prettify output strings, and add clr alternative for J
7541 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7542 deprecated std and reg-reg DI moves): Remove and...
7543 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7544 implementation which uses forced splits for all non-single insn
7546 (define_split DI move cases on !arch64): New splits to handle all
7547 situations of 64-bit double register DImode on 32bit, and
7548 unaligned registers and memory addresses for all subtargets.
7549 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7551 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7552 input_operand for dest and src respectively, prettify output
7554 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7555 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7557 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7558 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7559 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7560 movtf_no_e_insn_sp64) Replace with new
7561 implementation which uses forced splits for all non-single insn
7563 (define_split DF move cases): New splits in similar vein to DI
7565 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7566 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7567 movdi_sp64_insn): Remove old v9 code model and constant loading
7569 (define_insn pic_lo_sum_di, pic_sethi_di,
7570 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7571 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7572 embmedany_sethi, embmedany_losum, embmedany_brsum,
7573 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7574 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7575 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7576 scheme, using unspecs, secondary reloads, and one to one sparc
7577 insn to rtl insn mapping for better scheduling and code gen.
7578 (define_expand reload_indi, reload_outdi): Reload helpers for
7579 MEDANY and EMBMEDANY symbol address loading cases which require a
7581 (define_expand movsicc): Remove v8plus_regcmp cases.
7582 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7583 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7584 cmp_diqi_trunc_set): New patterns used by some of the new scc
7586 (define_insn xordi3_sp64_dbl): New pattern used for constant
7587 formation when crossing from 32-bit targets.
7588 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7590 (define_insn addx, subx): Make visible and prettify.
7591 (define_insn adddi3_insn_sp32): Likewise and force split.
7592 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7593 64bit scc split usage.
7594 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7595 zero_extend, subdi3): Force and implement splits.
7597 * final.c (final_scan_insn): Don't output labels if target
7598 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7601 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7602 don't forget to walk inside SEQUENCESs too as these are what the
7603 delay slot scheduler will create.
7605 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7607 * alpha.md (extxl+1,+2): New patterns to work around
7610 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7612 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7613 caused bad assembly code to be generated.
7615 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7617 * netbsd.h: Fix typo.
7619 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7621 * config.sub: Fix typo.
7623 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7625 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7627 (Running Protoize): Typo: Change "ther" into "other".
7629 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7631 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7632 * m68k/netbsd.h: Likewise.
7633 * ns32k/netbsd.h: Likewise.
7634 * sparc/netbsd.h: Likewise.
7636 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7638 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7639 * ginclude/va-clipper.h (va_list): Likewise.
7641 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7643 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7644 load/store multiple instructions unless user overrides.
7646 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7648 * ns32k/netbsd.h: Fix typo.
7650 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7652 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7653 labels with .debugsym if no parallel insns.
7655 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7657 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7658 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7660 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7662 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7663 (AR_FOR_TARGET): Define.
7665 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7667 * dyn-string.h: New file.
7668 * dyn-string.c: Likewise.
7669 * Makefile.in (OBJS): Add dyn-string.o.
7670 (dwarf2out.o): Add dyn-string.h dependency.
7671 (dyn-string.o): List dependencies.
7672 * dwarf2out.c: Include dyn-string.h.
7673 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7674 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7675 prototype. Use dyn_string_append rather than strcat, throughout.
7676 (addr_to_string): Use dyn_string_t.
7678 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7680 Function entry/exit profiling instrumentation:
7681 * expr.h (profile_function_entry_libfunc,
7682 profile_function_exit_libfunc): Declare new variables.
7683 * optabs.c: Define them here.
7684 (init_optabs): Initialize them.
7685 * tree.h (struct tree_decl): New flag
7686 no_instrument_function_entry_exit.
7687 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7688 * c-decl.c (duplicate_decls): Merge it.
7689 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7690 (init_attributes): Use it for "no_instrument_function".
7691 (decl_attributes): Handle it, for functions that have not yet been
7692 compiled. Set decl flag.
7693 * flags.h (flag_instrument_function_entry_exit): Declare new
7695 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7696 (f_options): New option "instrument-functions".
7697 * function.h (struct function): New field instrument_entry_exit.
7698 * function.c (current_function_instrument_entry_exit): New
7700 (push_function_context_to, pop_function_context_from): Save and
7702 (expand_function_start): Set current_ variable, maybe emit return
7703 label and entry profile call.
7704 (expand_function_end): Maybe emit exit profile call.
7706 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7708 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7709 NON_QI_REG_P, pretend the register is SImode.
7711 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7713 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7714 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7715 manufacturer id for ns32k.
7716 * configure: Regenerated.
7717 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7718 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7719 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7720 * config/m68k/netbsd.h: Same.
7721 * config/ns32k/netbsd.h: Same.
7722 * config/sparc/netbsd.h: Same.
7724 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7726 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7727 or UNROLL_COMPLETELY loop that starts with a jump to its
7730 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7732 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7733 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7734 (print_operand, case 'B'): Don't fall through.
7735 (print_operand, case 'S'): Correct mask begin/end computation.
7736 Use HOST_BITS_PER_WIDE_INT.
7737 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7738 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7739 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7740 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7742 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7744 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7745 constraint from second alternative.
7747 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7749 * configure.in: Fix --without/--disable cases for local-prefix,
7750 gxx-include-dir and checking.
7752 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7754 * configure.in (enable_haifa): Set by default for sparc64 too.
7757 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7759 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7760 * i386/winnt.c (associated_type): New fn.
7761 (i386_pe_valid_type_attribute_p): New fn.
7762 (i386_pe_check_vtable_importexport): Remove.
7763 (i386_pe_dllexport_p): Use associated_type.
7764 (i386_pe_dllimport_p): Likewise.
7766 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7767 * i386.c (i386_valid_type_attribute_p): Also accept
7768 attributes for METHOD_TYPEs.
7770 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7772 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7774 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7776 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7778 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7779 them from generating a new base name for each occurence of
7782 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7784 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7786 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7790 * cplus-dem.c (type_kind_t): New type.
7791 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7792 on this paramter, rather than demangling the type again.
7793 (demangle_integral_value): Pass tk_integral.
7794 (demangle_template_: Pass the value returned from do_type.
7795 (do_type): Return a type_kind_t. Pass tk_integral to
7796 demangle_template_value_parm for array bounds.
7797 (demangle_fund_type): Likewise.
7799 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7801 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7804 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7806 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7808 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7810 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7812 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7815 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7817 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7818 (DEBUGGER_ARG_OFFSET): Likewise.
7820 * mn10300.md (movsf): Remove last change. Not needed.
7822 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7824 * c-lex.c (yylex): Fix boundary conditions in character literal and
7825 string literal loops.
7827 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7829 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7830 being invoked incorrectly.
7832 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7833 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7835 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7836 * configure.in: Added i[34567]86-*-win32
7837 * config.sub: Ditto.
7838 * configure: Rebuilt.
7840 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7842 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7843 the frame pointer and compiling PIC code and reload has not completed.
7845 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7848 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7850 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7852 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7854 * Makefile.in (install-info): Only try to update the info
7855 directory file if it exists in the first place.
7857 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7859 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7861 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7863 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7864 CONST_DOUBLE source.
7866 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7868 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7869 strings as the insertion of USER_LABEL_PREFIX.
7870 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7872 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7875 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7877 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7878 already defined type.
7880 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7882 * expr.c (check_max_integer_computation_mode): Allow conversions
7883 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7884 (expand_expr): Likewise.
7886 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7888 * expr.c (expand_expr): Expand RETURN_EXPR.
7890 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7892 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7894 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7896 * dwarf2out.c (output_aranges): Call stripattributes
7897 for TEXT_SECTION references.
7898 (output_line_info): Likewise.
7900 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7902 * profile.c (branch_prob): Call allocate_reg_info after outputting
7903 profile rtl in instrument_arcs.
7905 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7907 * fixinc.irix (math.h): Install wrapper instead of copying.
7909 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7911 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7912 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7913 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7914 lang_flag_0. Added documentation in the flag table.
7916 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7918 * cccp.c (do_include): Fix vax c style include handling.
7920 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7922 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7924 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7926 * fold-const.c (non_lvalue): Don't deal with null pointer
7928 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7930 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7932 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7933 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7934 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7935 (u_short_cint_operand): Same.
7936 (reg_or_cint_operand): Same.
7937 (logical_operand): Same.
7938 (input_operand): Same.
7939 (reg_or_short_operand): Use u_short_cint_operand.
7941 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7943 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7944 but keep the insns and splits. Adjust so when the ultimate destination
7945 is memory, use cvtql.
7947 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7949 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7951 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7953 * gcc.c (do_spec): Call "error" not "warning".
7955 * configure.in: Fix minor problems with gas feature detection code.
7956 * configure: Rebuilt.
7958 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7961 * gcc.c: Delete %[spec] support.
7962 (do_spec_1, case '('): Likewise.
7963 (do_spec_1, case '['): Call error.
7965 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7967 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7968 (CPP_SUBTARGET_SPEC): Default to empty string.
7969 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7970 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7971 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7972 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7974 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7975 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7976 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7977 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7978 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7979 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7980 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7981 * alpha/vxworks.h: Likewise.
7983 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7985 * mips.md (reload_outsi): Added missing REGNO call.
7986 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7988 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7989 another match_operator and compare the codes.
7991 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7993 * MIPS multiply pattern fixes:
7994 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7995 Add union classes for HI, LO, or HILO plus general registers.
7996 (GENERATE_MADD): Deleted.
7997 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7998 Add TARGET_MAD to condition.
7999 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
8000 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
8001 "*d" for accumulator, to give preference to LO initially but not
8004 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
8006 * configure.in (enable_c_mbchar): New configure option.
8007 (extra_cpp_objs): Always available now.
8009 * cexp.y (mbchar.h): #include it.
8010 (yylex): Handle Multibyte characters in character literals.
8012 * cccp.c (mbchar.h): #include it.
8013 (main): Set character set based on LANG environment variable.
8014 (rescan): Handle multibyte characters in comments.
8015 (skip_if_group): See above.
8016 (validate_else): See above.
8017 (skip_to_end_of_comment): See above.
8018 (macarg1): See above.
8019 (discard_comments): See above.
8020 (rescan): Handle multibyte characters in string and character literals.
8021 (collect_expansion): See above.
8022 (skip_quoted_string): See above.
8023 (macroexpand): See above.
8024 (macarg1): See above.
8025 (discard_comments): See above.
8026 (change_newlines): See above.
8028 * c-lex.c (mbchar.h): #include it.
8029 (GET_ENVIRONMENT): New macro.
8030 (init_lex): Set character set based on LANG environment variable.
8031 (yylex): Handle multibyte characters in character literals.
8032 (yylex): Handle multibyte characters in string literals.
8034 * Makefile.in (mbchar.o): New target.
8035 (cccp$(exeext)): @extra_cpp_objs@ is always available.
8036 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
8038 * mbchar.[ch]: New files for multibyte character handling.
8040 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8042 * jump.c (jump_optimize): When simplifying noop moves and
8043 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
8044 the PUSHes to rewrite in second loop as we did in the first.
8046 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8048 * cplus-dem.c (demangle_nested_args): Make function definition
8049 static to match the prototype.
8051 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
8053 * alloca.c: Respect USE_C_ALLOCA.
8054 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
8055 * gengenrtl.c (xmalloc): Likewise.
8057 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
8059 * loop.h (struct induction): Add no_const_addval.
8060 * loop.c (the_movables, reg_address_cost): New variables.
8061 (init_loop): Init reg_address_cost.
8062 (loop_optimize): Call end_alias_analysis.
8063 (scan_loop): Init the_movables.
8064 (record_giv): Init induction->no_const_addval.
8065 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
8066 [REG]: Rearrange loop search test to catch more cases.
8067 (general_induction_var): Return success not benefit; take an extra
8068 argument for that. Change all callers.
8069 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
8070 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
8071 [default]: Search the_movables for additional combinations.
8072 (sge_plus_constant, sge_plus): New functions.
8073 (express_from_1): New function.
8074 (express_from): Always define. Rewrite using express_from_1.
8075 (combine_givs_p): Handle more cases. Ignore address cost.
8076 (cmp_combine_givs_stats): New function.
8077 (combine_givs_used_once, combine_givs_benefit_from): New functions.
8078 (combine_givs): Rewrite to do best-fit combination.
8080 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
8081 (fold): Do a complete (A*C)+(B*C) association check.
8083 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
8085 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
8087 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
8089 * mn10300.c (MODES_TIEABLE_P): Fix typo.
8091 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
8093 * tree.c (valid_machine_attribute): Only create a new type variant if
8094 there is a decl to use it.
8096 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
8098 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
8101 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
8103 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8106 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8108 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8109 Simplify tests for clearing an address register.
8110 (expand_prologue): Corresponding changes.
8112 * mn10300.md (movXX patterns): Make sure the destination is an
8113 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8114 (logical patterns): Split into expanders + patterns
8115 (zero and sign extension patterns): Similarly.
8116 (shift patterns): Similarly.
8118 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8120 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8121 for the sequence, recording base values.
8123 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8125 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8127 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8129 * gcc.c: Remove ANSI-C ism from --help code.
8131 * toplev.c: Support --help with USE_CPPLIB.
8133 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8135 * configure.in: Rework gas feature code to work with symlink based
8138 * extend.texi: Clarify some issues related to local variables
8139 assigned to explicit registers.
8141 * mn10300.md (mulsi): Turn into expander + pattern.
8143 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8146 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8148 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8150 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8152 * version.c: Bump again to distinguish mainline tree from the
8155 See ChangeLog.0 for earlier changes.
8158 add-log-time-format: current-time-string
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