1 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
3 * cccp.c (create_definition): Fix end of bufer logic.
5 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
8 pointer parameters changed to use the PARAMS() macro.
10 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
12 * except.h (struct handler_info): Add handler_number field.
13 * except.c (gen_exception_label): EH labels no longer need to be
14 on the permanent obstack.
15 (get_new_handler): Set the label number field.
16 (output_exception_table_entry): Regenerate handler label reference
17 from the label number field.
18 (init_eh): Remove a blank line.
19 * integrate.c (get_label_from_map): Labels no longer need to be
20 on the permanent obstack.
22 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
24 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
25 only when OUTER_CODE is SET.
27 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
29 * loop.c (strength_reduce): If scan_start points to the loop exit
30 test, be wary of subversive use of gotos inside expression statements.
31 Don't set maybe_multiple for a backward jump that does not
32 include the label under consideration into its range.
33 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
35 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
37 * explow.c (plus_constant_wide): Don't immediately return with
38 result of recursive call.
40 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
42 * eh-common.h (struct eh_context): Add table_index for rethrows.
44 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
45 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
46 processed when inlined or unrolled (ie duplicated in some way).
48 * rtl.c (reg_note_name): Add strings for new reg_note enums.
50 * expr.h (rethrow_libfunc): New library decl.
52 * optabs.c (rethrow_libfunc): Initialize.
54 * except.h (struct eh_entry): Add new field 'rethrow_label'.
55 (new_eh_region_entry): No longer exported from except.c.
56 (duplicate_handlers): Renamed to duplicate_eh_handlers and
58 (rethrow_symbol_map, rethrow_used): New exported functions.
59 (eh_region_from_symbol): New exported function.
61 * except.c (create_rethrow_ref): New function to create a single
62 SYMBOL_REF for a rethrow region.
63 (push_eh_entry): Initialize a rethrow ref.
64 (func_eh_entry): Add a rethrow_label field.
65 (new_eh_region_entry): Make static, and initialize the rethrow entry.
66 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
67 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
68 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
69 a region into an appropriate new symbol.
70 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
71 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
72 (end_catch_handler): Emit a barrier for new-exceptions since
73 control can never drop through the end of a catch block.
74 (expand_end_all_catch): new-exceptions never fall through a catch
76 (expand_rethrow): use __rethrow routine for new exceptions.
77 (output_exception_table_entry): Generate rethrow labels, if needed.
78 (output_exception_table): Generate start and end rethrow labels.
79 (init_eh): Create rethrow symbols for beginning and end of table.
80 (scan_region): Don't eliminate EH regions which are the targets of
83 * flow.c (make_edges): Add different edges for rethrow calls,
84 identified by having the REG_EH_RETHROW reg label.
85 (delete_unreachable_blocks): Don't delete regions markers which are
86 the target of a rethrow.
88 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
89 allow save_for_inline_copying to call duplicate_eh_handlers.
90 (save_for_inline_copying): Call duplicate_eh_handlers instead of
91 exposing internal details of exception regions.
92 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
93 (expand_inline_function_eh_labelmap): New callback routine to
94 allow expand_inline_function to call duplicate_eh_handlers.
95 (expand_inline_function): Call duplicate_eh_handlers instead of
96 exposing internal details of exception regions.
97 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
100 * libgcc2.c (find_exception_handler): Generalize to enable it to
101 pick up processing where it left off last time for a rethrow.
102 (__unwinding_cleanup): New function. debug hook which is called before
103 unwinding when __throw finds there is nothing but cleanups left.
104 (throw_helper): Common parts of __throw extracted out for reuse.
105 (__throw): Common parts moved to throw_helper.
106 (__rethrow): New function for performing rethrows.
108 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
110 * reload1.c (current_function_decl): Tweak declaration.
112 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
114 * c-decl.c (flag_isoc9x): Default off.
115 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
116 * cccp.c (print_help, main): Likewise.
117 * gcc.c (default_compilers): Update for -std=gnu*.
119 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
121 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
122 * demangle.h: Deleted.
124 * reload1.c (current_function_decl): Declare.
126 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
128 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
130 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
132 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
134 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
136 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
138 * configure: Rebuilt.
139 * system.h: If the *_unlocked functions are available use them
140 instead of the locked counterparts by defining macros.
141 * config.in: Regenerated.
143 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
145 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
146 wrong and should only be used for dump related things, not
147 debugging information, instead main_input_filename should be used.
148 Also, reuse output_file_directive if possible.
149 * i386/aix386ng.h (ASM_FILE_START): Likewise.
150 * i386/isc.h (ASM_FILE_START): Likewise.
151 * i386/win-nt.h (ASM_FILE_START): Likewise.
152 * i386/sun386.h (ASM_FILE_START): Likewise.
154 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
156 * configure.in (mips*-*-linux*): Handle big and little endian
158 * configure: Rebuilt.
160 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
162 * emit-rtl.c: Fix typo.
164 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
166 * reload1.c (eliminate_regs): Don't do anything, if we're not
169 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
171 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
173 * mips/mips.c (mips_select_section): Add comment.
175 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
177 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
178 characters in file names in #line to be consistent with #include
179 handling. We support escape prcessing in the # 1 "..." version of
180 the command. See also support in cp/lex.c.
181 (handle_directive): Likewise.
184 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
186 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
187 so it'll work on non-ASCII platforms. Always consider $ an
188 identifier character. Take no arguments.
189 (cpp_reader_init): Call initialize_char_syntax with no
191 (cpp_start_read): Don't call initialize_char_syntax again.
192 Clear is_idchar['$'] and is_idstart['$'] if not
193 opts->dollars_in_ident.
195 * cpplib.h (struct cpp_reader): Replace void *data element by
196 cpp_options *opts. Rearrange elements to make gdb printout
197 less annoying (put buffer stack at end).
198 (CPP_OPTIONS): Get rid of now-unnecessary cast.
200 * cppmain.c: s/data/opts/ when initializing cpp_reader
202 * c-decl.c: Likewise.
203 * objc/objc-act.c: Likewise.
204 * fix-header.c: Likewise.
206 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
208 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
209 with a struct file_name_list pointer.
210 (struct cpp_reader): Add pointer to chain of `actual
211 directory' include searchpath entries.
212 (struct file_name_list): Add *alloc pointer for the sake of
213 the actual-directory chain.
215 Move definition of HOST_WIDE_INT here.
216 (cpp_parse_escape): Change prototype to match changes in
219 * cppfiles.c (actual_directory): New function.
220 (finclude): Use it to initialize the buffer's actual_dir
222 (find_include_file): We don't need to fix up max_include_len
225 * cpplib.c (do_include): Don't allocate a file_name_list on
226 the fly for current directory "" includes, use the one that's
227 been preallocated in pfile->buffer->actual_dir. Hoist out
228 duplicate code from the search_start selection logic.
229 (cpp_reader_init): Initialize pfile->actual_dirs.
231 Remove definition of HOST_WIDE_INT. Change calls
232 to cpp_parse_escape to match changes in cppexp.c (note
233 hardcoded MASK, which is safe since this is the source
236 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
237 to handle wide character constants in #if directives. The
238 function now returns a HOST_WIDE_INT, and takes a third
239 argument which is a binary mask for all legal values (0x00ff
240 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
241 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
242 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
244 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
246 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
248 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
250 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
251 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
252 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
254 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
256 * final.c (output_asm_name): Use tabs to seperate comments from
259 Include instruction lengths (if defined) in output.
261 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
263 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
264 in the loop_info structure.
266 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
268 * configure.in: (arm*-*-ecos-elf): New target.
269 * configure: Regenerated.
270 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
271 * config/arm/ecos-elf.h: New file.
272 * config/arm/unknown-elf.h (TARGET_VERSION): Check
275 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
277 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
279 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
281 * version.c: Bump for snapshot.
283 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
285 * loop.c (check_dbra_loop): New argument loop_info. Update fields
288 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
290 * version.c: Bump for snapshot.
292 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
294 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
295 compressed reports are ok and preferred over URLs
297 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
299 * invoke.texi (Warning Options): Soften the tone of -pedantic
301 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
303 * print-rtl.c (print_rtx): Add prototype.
305 * unroll.c (iteration_info): Make it static.
307 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
309 * alias.c (memrefs_conflict_p): A second ANDed address
310 disables the aligned address optimization.
312 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
314 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
317 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
319 * i960.h (BOOL_TYPE_SIZE): Define.
321 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
323 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
324 from old valid_parallel_operands_4.
325 (valid_parallel_operands_4): Check that operands for 4 operand
326 parallel insns are valid, excluding load/store insns.
327 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
328 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
329 valid_parallel_load_store instead of valid_parallel_operands_4.
330 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
331 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
332 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
333 *notqi_movqi_clobber): Use valid_parallel_operands_4.
334 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
335 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
336 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
338 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
340 * config/c4x/c4x.c (iteration_info): Delete extern.
342 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
344 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
346 * final.c (cleanup_subreg_operands): Delete some unused code.
348 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
349 (struct insn_alternative): New structure definition.
350 (recog_op_alt): Declare variable.
351 (preprocess_constraints): Declare function.
352 * recog.c (recog_op_alt): New variable.
353 (extract_insn): Verify number of alternatives is in range.
354 (preprocess_constraints): New function.
355 * reg-stack.c: Include recog.h.
356 (constrain_asm_operands): Delete.
357 (get_asm_operand_lengths): Delete.
358 (get_asm_operand_n_inputs): New function.
359 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
360 N_OUTPUTS args. All callers changed.
361 Compute number of inputs and outputs here by calling
362 get_asm_operand_n_inputs.
363 Instead of constrain_asm_operands, call extract_insn,
364 constrain_operands and preprocess_constaints. Use information
365 computed by these functions throughout.
366 (record_reg_life): Delete code that is unused due to changes in
368 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
369 N_INPUTS and N_OUTPUTS args. All callers changed.
370 Similar changes as in record_asm_reg_life.
371 (subst_stack_regs): Move n_operands declaration into the if statement
373 Delete code that is unused due to changes in subst_asm_stack_regs.
374 * stmt.c (expand_asm_operands): Verify number of alternatives is in
376 * Makefile.in (reg-stack.o): Depend on recog.h.
378 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
380 * except.c (set_exception_version_code): Argument is an "int".
382 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
384 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
385 * configure: Rebuilt.
387 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
389 * configure.in (mipsel-*-linux*): New target.
390 * mips/linux.h: New file, based on other Linux targets.
392 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
394 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
395 runs in the context of the deleter, not the deletee, so we must
396 use taskVarGet to find the correct memory to free.
397 (__gthread_key_create): Initialize the task
398 variable subsystem so that the task variable is still active when
399 the delete hook is run.
401 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
403 * pdp11.h: Use optimize_size for space optimizations.
405 * pdp11.md: Likewise.
407 * pdp11.h (TARGET_40_PLUS): Fix typo.
409 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
411 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
414 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
416 * alias.c (addr_side_effect_eval): New function.
417 (memrefs_conflict_p): Use it.
418 * rtl.h (addr_side_effect_eval): Prototype it.
420 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
422 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
424 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
426 * reload.c (find_reloads): When force const to memory, put result
427 in substed_operand not *recog_operand_loc.
429 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
431 * c-lex.c: Fix indentation from last patch.
432 Remove trailing whitespace.
435 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
437 * flow.c (delete_block): Call set_last_insn after we have reset
438 NEXT_INSN (kept_tail).
440 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
442 * mips.md (trap_if): Use "$0" for the value zero.
444 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
445 Stephen L Moshier <moshier@world.std.com>
446 Richard Henderson <rth@cygnus.com>
448 * c-common.c (declare_function_name): Declare predefinied variable
451 * c-decl.c (flag_isoc9x): Set to 1 by default.
452 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
453 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
455 * c-parse.in: Allow constructors in ISO C 9x.
456 Rewrite designator list handling.
457 Allow [*] parameters.
458 Don't warn about comma at end of enum definition for ISO C 9x.
460 * cccp.c (c9x): New variable.
461 (rest_extension): New variable.
462 (print_help): Document new -std= option.
463 (main): Recognize -std= option. Set c9x appropriately.
464 (create_definition): Recognize ISO C 9x vararg macros.
466 * gcc.c (default_compilers): Adjust specs for -std options.
467 (option_map): Add --std.
468 (display_help): Document -std.
470 * toplev.c (documented_lang_options): Add -std and remove
473 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
474 or REAL_VALUE_HTOF based on base of the constants.
475 * fold-const.c (real_hex_to_f): New function. Replacement function
476 for hex FP conversion if REAL_ARITHMETIC is not defined.
477 * real.c (asctoeg): Add handling of hex FP constants.
478 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
481 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
483 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
484 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
485 expansion. Use hi/lo as destination register.
487 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
488 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
489 Avoid as macro expansion. Use hi/lo as destination register.
491 * mips.h (MASK_CHECK_RANGE_DIV): New.
492 (MASK_NO_CHECK_ZERO_DIV): New.
493 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
494 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
495 return address for leaf functions out of r31 to support
496 builtin_return_address.
498 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
500 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
501 NEXT_INSN(x) to check insn x.
503 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
505 * flow.c (delete_block): Call set_last_insn if we end up deleting the
506 last insn in the rtl chain.
508 * reload1.c (reload): Do not set reload_completed or split insns
510 * toplev.c (rest_of_compilation): Set reload_completed after
511 reload returns. Split insns after reload_cse has run.
513 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
515 * final.c (final_scan_insn): Abort if block_depth falls below 0.
517 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
519 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
521 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
523 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
524 use of user-label_prefix.
526 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
528 * reload1.c (emit_reload_insns): Clear spill_reg_store
529 when doing a new non-inherited reload from the same pseudo.
531 * local-alloc.c (function_invariant_p): New function.
532 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
533 to decide if an equivalence should be recorded.
534 * reload1.c (num_eliminable_invariants): New static variable.
535 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
536 to decide if an equivalence should be recorded.
538 (calculate_needs_all_insns): Skip insns that only set an equivalence.
539 Take num_eliminable_invariants into account when deciding
540 if register elimination should be done.
541 (reload_as_needed): Take num_eliminable_invariants into account
542 when deciding if register elimination should be done.
543 (eliminate_regs): Handle non-constant reg_equiv_constant.
544 * rtl.h (function_invariant_p): Declare.
546 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
548 * version.c: Bump for snapshot.
550 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
552 * version.c: Bump for snapshot.
554 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
556 * except.c (add_new_handler): Complain about additional handlers
557 after one that catches everything.
559 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
561 * configure.in (alpha*-*-netbsd): Fix typo.
562 * configure: Rebuilt.
564 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
566 * system.h: Include libiberty.h.
568 * c-aux-info.c: Remove prototypes for concat/concat3. Change
569 function `concat' from fixed parameters to variable parameters,
570 as is done in libiberty. All callers of concat/concat3
571 changed to use the new `concat' with variable args.
573 * cccp.c: Remove things made redundant by libiberty.h and/or
574 conform to libiberty standards.
576 * collect2.c: Likewise.
577 * config/1750a/1750a.h: Likewise.
578 * cppalloc.c: Likewise.
579 * cppexp.c: Likewise.
580 * cppfiles.c: Likewise.
581 * cpphash.c: Likewise.
582 * cpplib.c: Likewise.
583 * dyn-string.c: Likewise.
584 * fix-header.c: Likewise.
587 * genattr.c: Likewise.
588 * genattrtab.c: Likewise.
589 * gencheck.c: Likewise.
590 * gencodes.c: Likewise.
591 * genconfig.c: Likewise.
592 * genemit.c: Likewise.
593 * genextract.c: Likewise.
594 * genflags.c: Likewise.
595 * gengenrtl.c: Likewise.
596 * genopinit.c: Likewise.
597 * genoutput.c: Likewise.
598 * genpeep.c: Likewise.
599 * genrecog.c: Likewise.
600 * getpwd.c: Likewise.
601 * halfpic.c: Likewise.
603 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
604 in NEED_DECLARATION_* macros.
606 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
607 conform to libiberty standards.
608 (fatal): Fix const-ification of variable `format' in
609 !ANSI_PROTOTYPES case.
611 * prefix.c: Remove things made redundant by libiberty.h and/or
612 conform to libiberty standards.
614 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
615 conflicting with function `spaces' from libiberty.
617 * profile.c: Remove things made redundant by libiberty.h and/or
618 conform to libiberty standards.
619 * protoize.c: Likewise.
623 * toplev.c: Likewise.
624 * toplev.h: Likewise.
627 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
629 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
631 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
633 * README.C4X: Updated URLs.
634 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
635 (valid_parallel_operands_5): Remove unused variable.
637 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
639 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
641 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
643 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
644 which can be configured.
645 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
646 (Makefile): Pass actual LANGUAGES through the environment when
648 (cstamp-h): Likewise.
649 (config.status): Likewise.
651 * configure.in (enable_languages): Add new configuration parameter
652 "--enable-languages=lang1,lang2,...".
653 (${srcdir}/*/config-lang.in): Change handling to configure only
654 those directories, that the user might have enabled; default to
655 "all" existing languages.
656 * configure: Regenerate.
658 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
660 * rtlanal.c (regs_set_between_p): New function.
661 * rtl.h (regs_set_between_p): Prototype it.
662 * jump.c (jump_optimize): Use it instead of modified_between_p
665 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
666 Matthias Pfaller <leo@dachau.marco.de>
668 * invoke.texi (Option Summary, NS32K Options): add description
669 of NS32K specific options.
671 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
672 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
673 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
674 negdf2, absdf2): Use l instead of f since the double class and
675 float class are no longer the same.
676 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
677 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
678 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
679 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
681 (cmpsi, cmphi, cmpqi): use general_operand instead of
682 non_immediate_operand. Removes erroneous assumption that can't
684 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
685 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
687 (movstrsi, movstrsi1, movstrsi2): completely new block move
689 (...): Patterns to exploit multiply-add instructions.
690 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
691 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
692 patterns to exploit extended divide insns.
693 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
696 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
697 float return values as well as simple scalar floats.
698 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
699 support new flag to denote 32381 fpu.
700 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
701 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
703 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
704 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
705 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
706 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
707 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
708 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
709 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
710 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
711 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
712 fpu registers and special register classes for new 32381
713 instructions dotf and polyf.
714 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
716 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
717 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
719 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
720 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
721 (REGISTER_MOVE_COST): move code to register_move_cost function for
722 ease of coding and debugging.
723 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
724 LONG_FLOAT_REGO is likely spilled but not caught by default
726 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
727 instead of hard coded numbers in range check.
728 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
729 (...): Add prototypes for functions in ns32k.c but disable because
730 of problems when ns32k.h is included in machine independant files.
732 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
733 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
734 hard_regno_mode_ok, secondary_reload_class,
735 print_operand, print_operand_address): new register scheme to
736 include 32381 fpu registers and special register classes for new
737 32381 instructions dotf and polyf.
738 (gen_indexed_expr): Make static to keep namespace clean.
739 (check_reg): remove since never called.
740 (move_tail, expand_block_move): helper functions for "movstrsi"
742 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
743 Increase cost of moves which go via memory.
744 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
745 (CPP_PREDEFINES): nolonger predefine "unix".
747 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
748 Remove erroneous %$. print_operand() can work out from the rtx is
749 an immediate prefix is required.
751 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
752 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
753 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
755 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
758 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
759 Correct handling of pic operands.
760 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
761 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
762 -mrtd calling convention.
764 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
766 * gcc.c (option_map): Recognize --output-class-directory.
768 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
770 * loop.h (precondition_loop_p): Added new mode argument.
771 * unroll.c (precondition_loop_p): Likewise.
772 (approx_final_value): Function deleted and subsumed
773 into loop_iterations.
774 (loop_find_equiv_value): New function.
775 (loop_iterations): Use loop_find_equiv_value to find increments
776 too large to be immediate constants. Also use it to find terms
777 common to initial and final iteration values that can be removed.
779 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
781 * loop.h (struct loop_info): Define new structure.
782 (precondition_loop_p): Added prototype.
783 (unroll_loop): Added new argument loop_info to prototype.
784 (final_biv_value, final_giv_value): Added new argument n_iterations
786 * loop.c (strength_reduce): Declare new structure loop_iteration_info
787 and new pointer loop_info.
788 (loop_n_iterations): Replace global variable by element in
790 (check_final_value): New argument n_iterations.
791 (insert_bct): New argument loop_info.
792 (loop_unroll_factor): Replace global array by element in
794 (loop_optimize): Remove code to allocate and initialise
795 loop_unroll_factor_array.
796 * unroll.c (precondition_loop_p): No longer static since
797 used by branch on count optimization.
798 (precondition_loop_p, unroll_loop): New argument loop_info.
799 (final_biv_value, final_giv_value, find_splittable_regs): New
800 argument n_iterations.
801 (loop_iteration_var, loop_initial_value, loop_increment,
802 loop_final_value, loop_comparison_code, loop_unroll_factor):
803 Replaced global variables by loop_info structure.
804 (loop_unroll_factor): Replace global array by element in
807 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
809 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
812 * unroll.c (precondition_loop_p): Return loop_initial_value
813 for initial_value instead of loop_iteration_var.
815 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
817 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
818 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
819 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
820 to output the instruction sequences.
822 (rptb_top): Provide alternatives to use any register or memory
824 (rptb_end): Emit use of operands rather than assigning them
825 explicitly to the RS and RE registers.
827 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
829 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
830 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
831 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
832 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
833 c4x_merge_notes, c4x_parallel_process,
834 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
835 c4x_combine_parallel): Delete.
837 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
839 * config/c4x/c4x.c: (c4x_override_options): For compatibility
840 with old target options clear flag_branch_on_count_reg if
841 -mno-rptb specified and set flag_argument_alias is -mno-aliases
843 (c4x_output_cbranch): Handle a sequence of insns rather than a
845 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
846 has not been allocated as the loop counter.
847 (c4x_address_conflict): Do not allow two volatile memory references.
848 (valid_parallel_operands_4, valid_parallel_operands_5,
849 valid_parallel_operands_6): Reject pattern if the register destination
850 of the first set is used as part of an address in the second set.
852 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
854 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
855 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
856 is no longer enabled if PARALLEL_MPY_FLAG set.
857 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
858 (REG_CLASS_CONTENTS): Add braces around initializers.
859 (HAVE_MULTIPLE_PACK): Define.
860 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
861 REAL_VALUE_TO_DECIMAL.
862 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
863 REAL_VALUE_TO_DECIMAL.
864 (ar0_reg_operand): Add prototype.
865 (ar0_mem_operand): Likewise.
866 (ar1_reg_operand): Likewise.
867 (ar1_mem_operand): Likewise.
868 (ar2_reg_operand): Likewise.
869 (ar2_mem_operand): Likewise.
870 (ar3_reg_operand): Likewise.
871 (ar3_mem_operand): Likewise.
872 (ar4_reg_operand): Likewise.
873 (ar4_mem_operand): Likewise.
874 (ar5_reg_operand): Likewise.
875 (ar5_mem_operand): Likewise.
876 (ar6_reg_operand): Likewise.
877 (ar6_mem_operand): Likewise.
878 (ar7_reg_operand): Likewise.
879 (ar7_mem_operand): Likewise.
880 (ir0_reg_operand): Likewise.
881 (ir0_mem_operand): Likewise.
882 (ir1_reg_operand): Likewise.
883 (ir1_mem_operand): Likewise.
884 (group1_reg_operand): Likewise.
885 (group1_mem_operand): Likewise.
886 (ir1_reg_operand): Likewise.
887 (arx_reg_operand): Likewise.
888 (not_rc_reg): Likewise.
889 (not_modify_reg): Likewise.
890 (c4x_group1_reg_operand): Remove prototype.
891 (c4x_group1_mem_operand): Likewise.
892 (c4x_arx_reg_operand): Likewise.
894 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
896 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
897 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
899 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
901 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
904 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
906 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
907 unless FMOVD_WORKS is defined.
909 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
911 * regclass.c (init_reg_sets): Move code that calculates tables
912 dependent on reg_class_contents from here...
913 (init_reg_sets_1): To here.
915 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
917 * cpplib.h: Delete struct import_file. Add ihash element to
918 struct cpp_buffer. Delete dont_repeat_files and
919 import_hash_table elements from cpp_reader; change
920 all_include_files to a hash table. Delete all foobar_include
921 / last_foobar_include elements from struct cpp_options; put
922 back four such: quote_include, bracket_include,
923 system_include, after_include. Redo struct file_name_list
924 completely. Add new structure type include_hash. Add
925 prototypes for merge_include_chains and include_hash. Change
926 prototypes for finclude, find_include_file, and
927 append_include_chain to match changes below.
929 * cppfiles.c (simplify_pathname, include_hash,
930 remap_filename, merge_include_chains): New functions.
931 (add_import, lookup_import, open_include_file): Removed.
932 (INO_T_EQ): Define this (copied from cccp.c).
933 (hack_vms_include_specification): Remove all calls and #if 0
934 out the definition. It was being called incorrectly and at
935 the wrong times. Until a VMSie can look at this, it's better
936 to not pretend to support it.
937 (append_include_chain): Change calling convention; now takes
938 only one directory at a time, and sets up the data structure
940 (redundant_include_p): Rewritten - this is now used for all
941 include redundancy, whether by #ifndef, #import, or #pragma
942 once. Looks up things in the include hash table.
943 (file_cleanup): Decrement pfile->system_include_depth here if
945 (find_include_file): Calling convention changed; now passes
946 around a struct include_hash instead of 3 separate parameters.
947 Guts ripped out and replaced with new include_hash mechanism.
948 (finclude): Calling convention changed as for
949 find_include_file. Error exits pulled out-of-line. Reformat.
950 (safe_read): Return a long, not an int.
951 (deps_output): Don't recurse.
953 * cpplib.c (is_system_include): Deleted.
954 (path_include): Fix up call to append_include_chain.
955 (do_include): Fix up calls to find_include_file and finclude.
956 Clean up dependency output a bit. Shorten obnoxiously lengthy
957 #import warning message. Don't decrement
958 pfile->system_include_depth here.
959 (do_pragma): Understand the include_hash structure. Reformat.
960 (do_endif): Correct handling of control macros. Understand
962 (cpp_start_read): Fix up calls to finclude. Call
963 merge_include_chains.
964 (cpp_handle_option): Fix up calls to append_include_chain.
965 Understand the four partial include chains.
966 (cpp_finish): Add debugging code (#if 0-ed out) for the
968 (cpp_cleanup): Free the include_hash, not the import hash and
969 the all_include and dont_repeat lists which no longer exist.
971 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
973 * toplev.c (no_new_pseudos): Define.
974 (rest_of_compilation): Set no_new_pseudos as needed.
975 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
976 if no_new_pseudos is set.
977 * rtl.h (no_new_pseudos): Declare it.
978 * reload1.c (reload): Update comments.
979 * md.texi: Corresponding changes.
981 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
983 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
984 (choose_reload_regs): Rename it here as well. When computing it,
985 also merge in used hardregs.
987 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
989 * gcc.c: Split out Objective-C specs to...
990 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
993 * c-lex.c (init_parse): Always initialize the filename global.
994 * objc/objc-act.c (lang_init): Always call check_newline at
997 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
999 * reload1.c (reload): Remove unused variable.
1000 (reload_reg_free_for_value_p): Add missing parameter definition.
1002 * jump.c (jump_optimize): Remove unused variable.
1004 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1006 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1008 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1010 * expr.c (move_by_pieces): Similarly.
1011 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1012 * flow.c (find_auto_inc): Similarly.
1013 (try_pre_increment): Similarly.
1014 * loop.c (strength_reduce): Similarly.
1015 * regclass.c (auto_inc_dec_reg_p): Similarly.
1016 * regmove.c (try_auto_increment): Similarly.
1017 (fixup_match_1): Similarly.
1018 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1019 (HAVE_PRE_DECREMENT): Similarly.
1020 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1021 * Corresponding changes to all target header files.
1022 * tm.texi: Update docs for autoinc addressing modes.
1024 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1026 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1027 * configure: Rebuild.
1028 * config/elfos.h: New file.
1029 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1030 config/m68k/t-m68kelf: New file.
1032 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1034 * Makefile.in (HOST_AR): Define.
1035 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1036 (libcpp.a): Use the host tools explicitly.
1037 (STAGESTUFF): Add libcpp.a.
1039 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1041 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1042 to source and destination registers.
1044 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1046 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1047 The strategy we now use is to pre allocate the top_elt along
1048 with the EH context so that each thread has its own top_elt.
1049 This is necessary as the dynmanic cleanup chain is used on the
1050 top element of the stack and each thread MUST have its own.
1051 (eh_context_static): Likewise.
1052 (new_eh_context): Likewise.
1053 (__sjthrow): Likewise.
1055 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1057 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1058 * i386.md (prologue_get_pc): Remove unused variable.
1060 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1062 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1064 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1066 * Makefile.in (OBJS): Add graph.o
1067 (graph.o): New dependency list.
1068 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1069 * print-rtl.c (dump_for_graph): Define new variable.
1070 (print_rtx): Rewrite to allow use in graph dumping functions.
1071 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1072 finish_graph_dump_file.
1073 Define graph_dump_format.
1074 (compile_file): If graph dumping is enabled also clear these files.
1075 Finish graph dump files.
1076 (rest_of_compilation): Also dump graph information if enabled.
1077 (main): Recognize -dv to enabled VCG based graph dumping.
1078 * graph.c: New file. Graph dumping functions.
1080 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1082 * configure.in: Look for <sys/stat.h>.
1083 * system.h: Include it before substitute S_ISREG definitions.
1085 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1087 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1088 * config/mips/iris6.h: Same.
1089 * config/mips/mips.md: Same.
1090 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1091 * config/mips/mips.h: Same; also define ABI_O64.
1093 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1095 * configure.in: Use AC_PREREQ(2.12.1).
1097 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1099 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1100 * cpplib.c, gcc.c: Likewise.
1101 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1103 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1105 * local-alloc.c (local_alloc): Use malloc not alloca for
1106 reg_qty, reg_offset, ref_next_in_qty.
1108 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1110 * caller-save.c (insert_one_insn): Initialize the live_before and
1111 live_after register sets.
1115 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1116 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1117 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1118 (fp_reg_names, assembler_dialect): New variables.
1119 (print_operand_address): Handle SUBREGs.
1120 (print_operand): Added 'o' case.
1121 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1122 Name of FP registers depends on mode.
1123 (expand_block_move): Emit different code for SH4 hardware.
1124 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1125 (from_compare): Likewise.
1126 (add_constant): New argument last_value. Changed all callers.
1127 (find_barrier): Don't try HImode load for FPUL_REG.
1128 (machine_dependent_reorg): Likewise.
1129 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1130 (gen_far_branch): Emit a barrier after the new jump.
1131 (barrier_align): Don't trust instruction lengths before
1133 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1134 Use auto-inc addressing for fp registers if doubles need to
1135 be loaded in two steps.
1136 Set sh_flag_remove_dead_before_cse.
1137 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1138 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1139 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1140 Support for FIRST_XD_REG .. LAST_XD_REG.
1141 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1142 (sh_expand_epilogue): Likewise.
1143 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1144 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1145 (arith_reg_operand): FPUL_REG is OK for SH4.
1146 (fp_arith_reg_operand, fp_extended_operand) New functions.
1147 (tertiary_reload_operand, fpscr_operand): Likewise.
1148 (commutative_float_operator, noncommutative_float_operator): Likewise.
1149 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1150 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1151 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1152 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1153 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1154 (CONDITIONAL_REGISTER_USAGE): Likewise.
1155 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1156 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1157 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1158 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1159 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1160 to -1 and sh_flag_remove_dead_before_cse to 1.
1161 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1162 (assembler_dialect, fp_reg_names): Declare.
1163 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1164 Hide names of registers that are not accessible.
1165 (CACHE_LOG): Take TARGET_CACHE32 into account.
1166 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1167 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1168 (FIRST_PSEUDO_REGISTER: Now 49.
1169 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1170 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1171 (HARD_REGNO_MODE_OK): Update.
1172 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1173 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1174 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1175 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1176 (NPARM_REGS): Eight floating point parameter registers on SH4.
1177 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1178 in floating point registers.
1179 (GET_SH_ARG_CLASS) Likewise.
1180 Complex float types are also returned in float registers.
1181 (BASE_ARG_REG): Complex float types are also passes in float registers.
1182 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1183 (LIBCALL_VALUE): Remove trailing semicolon.
1184 (ROUND_REG): Round when double precision value is passed in floating
1186 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1187 passed on the stack.
1188 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1189 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1190 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1191 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1192 (MODE_DISP_OK_8): Not for SH4 DFmode.
1193 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1194 Allow indexed addressing for PSImode after reload.
1195 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1196 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1197 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1198 (DOUBLE_TYPE_SIZE): 64 for SH4.
1199 (RTX_COSTS): Add PLUS case.
1200 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1201 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1202 MAC_REGS, PR_REGS, DF_REGS.
1203 (REGISTER_NAMES): Use fp_reg_names.
1204 (enum processor_type): Add PROCESSOR_SH4.
1205 (sh_flag_remove_dead_before_cse): Declare.
1206 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1207 (PREDICATE_CODES): Add binary_float_operator,
1208 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1209 fpscr_operand, noncommutative_float_operator.
1210 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1211 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1212 * sh.md (attribute cpu): Add value sh4.
1213 (attrbutes fmovd, issues): Define.
1214 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1215 (function units memory, int, mpy, fp): Make dependent on issue rate.
1216 (function units issue, single_issue, load_si, load): Define.
1217 (function units load_store, fdiv, gp_fpul): Define.
1218 (attribute hit_stack): Provide proper default.
1219 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1220 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1221 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1222 (mulsi3_call): Now uses match_operand for function address.
1223 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1225 (push, pop, push_e, pop_e): Now define_expands.
1226 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1227 (movsi_ie): Added y/i alternative.
1228 (ic_invalidate_line_i, movdf_i4): New insns.
1229 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1230 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1231 (movdf): Add special code for SH4.
1232 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1233 (call_valuei, calli, call_value): Likewise.
1234 (movsf): Emit no-op move.
1235 (mov_nop, movsi_y): New insns.
1236 (blt, sge): generalize to handle DFmode.
1237 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1238 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1239 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1240 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1241 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1242 (toggle_sz): New insn.
1243 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1244 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1245 (macsf3): Make use of fpscr visible. Disable for SH4.
1246 (floatsisf2): Make use of fpscr visible.
1247 (floatsisf2_i4): New insn.
1248 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1249 (ieee_ccmpeqsf_t): Likewise.
1250 (fix_truncsfsi2): Emit different code for SH4.
1251 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1252 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1253 (negsf2, sqrtsf2, abssf2): Now expanders.
1254 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1255 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1256 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1257 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1258 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1259 (fix_truncdfsi2_i4_2+1): New splitters.
1260 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1261 (extendsfdf2, truncdfsf2): New expanders.
1262 (truncdfsf2_i4): New insn.
1263 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1264 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1265 * float-sh.h: When testing for __SH3E__, also test for
1266 __SH4_SINGLE_ONLY__ .
1267 * va-sh.h (__va_freg): Define to float.
1268 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1269 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1270 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1271 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1273 (TARGET_SH4_P): Define.
1276 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1277 init_expr_once is satisfied about the existence of load / store insns.
1279 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1280 change m constraint in source operand to mr / mf .
1282 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1284 * (__VA_REEF): Define.
1285 (__va_arg_sh1): Use it.
1287 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1289 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1291 * i386/dgux.c (struct option): Add new "description field".
1292 * m88k/m88k.c (struct option): Likewise.
1294 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1296 * version.c: Bump for snapshot.
1298 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1300 * regmove.c (regmove_profitable_p): Use return value of find_matches
1303 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1305 * version.c: Bump for snapshot.
1307 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1309 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1310 without reload having been called earlier.
1312 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1314 (v850_reorg): Similarly.
1316 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1318 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1320 * loop.c (move_movables): Start of libcall might be new loop start.
1322 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1324 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1326 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1328 * function.c (nonlocal_goto_handler_slots): Renamed from
1329 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1330 (push_function_context_to): Adjust for this change.
1331 (pop_function_context_from): Likewise.
1332 (init_function_start): Likewise.
1333 (expand_function_end): Likewise.
1334 * function.h (struct function): Likewise.
1335 * calls.c (expand_call): Likewise.
1336 * explow.c (allocate_dynamic_stack_space): Likewise.
1337 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1338 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1340 (expand_goto): When doing a nonlocal goto, find corresponding handler
1341 slot for it. Don't put the label address in the static chain register.
1342 (expand_end_bindings): Break out nonlocal goto handling code into
1343 three new functions.
1344 (expand_nl_handler_label, expand_nl_goto_receiver,
1345 expand_nl_goto_receivers): New static functions, broken out of
1346 expand_end_bindings and adapted to create one handler per nonlocal
1348 * function.c (delete_handlers): Delete insn if it references any of
1349 the nonlocal goto handler slots.
1350 * i960.md (nonlocal_goto): Comment out code that modifies
1352 * sparc.md (nonlocal_goto): Likewise.
1353 (goto_handler_and_restore_v9): Comment out.
1354 (goto_handler_and_restore_v9_sp64): Comment out.
1356 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1358 * expr.c (STACK_BYTES): Delete unused macro.
1359 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1360 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1361 (expand_call): Likewise.
1362 (emit_library_call): Likewise.
1363 (emit_library_call_value): Likewise.
1364 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1365 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1366 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1367 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1368 (allocate_dynamic_stack_space): Likewise.
1369 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1370 (STACK_BOUNDARY): Update description to reflect the new situation.
1372 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1374 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1375 return with a filled delay slot is followed by a return with an
1376 unfilled delay slot, delete the first return and reemit the insn
1377 that was previously in its delay slot.
1379 * i860.c (single_insn_src_p): Add missing parens.
1380 * ginclude/math-3300.h: Likewise.
1382 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1384 * regclass.c (init_reg_sets_1): Add prototype.
1385 (init_reg_modes): Likewise.
1387 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1389 * c-common.c: Change warning messages to say `comparison is
1390 always true' or `comparison is always false' instead of the
1391 confusing `is always 0', `is always 1'.
1393 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1395 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1396 break instead of return (which loses closing '>').
1398 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1400 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1401 standard 387 constants.
1403 * i386.md (jump): Explicitly set "memory" attribute.
1404 (indirect_jump, prologue_set_stack_ptr): Likewise.
1405 (prologue_get_pc_and_set_got, pop): Likewise.
1406 (allocate_stack_worder, blockage, return_internal): Likewise.
1407 (return_pop_internal, nop): Likewise.
1408 (epilogue_set_stack_ptr, leave): Likewise.
1410 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1412 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1414 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1416 * reload1.c (reload_reg_free_for_value_p):
1417 Early auto_inc reloads don't conflict with outputs.
1419 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1421 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1422 Instead call AC_HEADER_SYS_WAIT.
1424 * collect2.c: Don't provide defaults for sys/wait.h macros.
1426 * protoize.c: Likewise. Also, don't include sys/wait.h.
1428 * system.h: Include sys/wait.h and provide macro defaults.
1430 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1432 * Makefile.in (mandir): Set to @mandir@.
1433 (man1dir): New variable to hold the former value of $(mandir).
1434 Replace all uses of $(mandir) by $(man1dir).
1436 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1438 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1439 a new one before passing it to force_const_mem.
1441 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1442 find_reloads_address call.
1444 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1446 * expr.c (store_expr): Don't generate load-store pair
1447 if TEMP is identical (according to ==) with TARGET.
1449 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1451 * reload1.c (reload_reg_free_for_value_p): When considered reload
1452 has an output, matching inputs are not sufficient to avoid conflict.
1454 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1456 * hash.h (hash_table_key): New type.
1457 (hash_entry): Change `string' field to generic `key'.
1458 (hash_table): Add `comp' and `hash' functions.
1459 (hash_table_init): Take them as input.
1460 (hash_table_init_n): Likewise.
1461 (hash_lookup): Modify for generic keys.
1462 (hash_newfunc): Likewise.
1463 (hash_traverse): Likewise.
1464 (string_hash): New function.
1465 (string_compare): Likewise.
1466 (string_copy): Likewise.
1467 * hash.c (hash_table_init_n): Modify for generic keys.
1468 (hash_table_init): Likewise.
1469 (hash_lookup): Likewise.
1470 (hash_newfunc): Likewise.
1471 (hash_traverse): Likewise.
1472 (string_hash): Split out from hash_lookup.
1473 (string_compare): New function.
1474 (string_copy): Split out from hash_lookup.
1475 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1477 (symbol_hash_lookup): Likewise.
1478 (file_hash_newfunc): Likewise.
1479 (file_hash_lookup): Likewise.
1480 (demangled_hash_newfunc): Likewise.
1481 (demangled_hash_lookup): Likewise.
1482 (tlink_int): Likewise.
1483 (read_repo_file): Likewise.
1484 (recompile_files): Likewise.
1485 (demangle_new_symbols): Likewise.
1486 (scan_linker_output): Likewise.
1488 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1490 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1492 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1494 * rs6000.c (output_mi_thunk): Improve test for local branch.
1496 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1498 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1500 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1502 * reload1.c (reload_reg_free_before_p): Delete.
1503 Changed all callers to use reload_reg_free_for_value_p instead.
1504 (reload_reg_free_for_value_p): Handle more reload types.
1505 A RELOAD_FOR_INPUT doesn't conflict with its
1506 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1507 Add special case for OUT == const0_rtx.
1508 Added ignore_address_reloads argument. Changed all callers.
1510 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1512 * toplev.c (compile_file): Don't pedwarn about undefined static
1513 functions just because we passed -Wunused.
1515 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1517 * function.c (purge_addressof_1): Unshare rtl created by
1520 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1522 * regmove.c (regmove_optimize): Don't do anything but
1523 optimize_reg_copy[123] when flag_regmove is not set.
1525 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1527 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1528 value in paradoxical SImode result, rather than truncating midpoint.
1530 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1532 * alpha.c (reg_not_elim_operand): New.
1533 * alpha.h (PREDICATE_CODES): Add it.
1534 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1535 for the multiplicand.
1537 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1539 * rs6000.md (movsf): Remove explicit secondary-reload-like
1540 functionality. Only truncate SFmode store if in FPR.
1541 (movsf splitters): Combine const_double splitters.
1542 (movsf_hardfloat): Add GPR support.
1544 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1546 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1547 deprecate -mlive-g0 and -mbroken-saverestore.
1548 * t-splet (MULTILIB_OPTIONS): Likewise.
1550 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1551 in a leaf function. Clarify total_size/extra_size relationship.
1553 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1555 * i386/cygwin32.asm: Delete.
1556 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1557 * i386/cygwin32.h: Delete.
1558 * i386/cygwin.h: New file, renamed from cygwin32.h.
1559 * i386/t-cygwin32: Delete.
1560 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1561 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1562 * i386/x-cygwin32: Delete.
1563 * i386/x-cygwin: New file, renamed from x-cygwin32.
1564 * i386/xm-cygwin32: Delete.
1565 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1566 renamed cygwin_ funcs for path translations.
1567 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1568 * i386/winnt.c: Remove "32" from comment about cygwin.
1569 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1570 * rs6000/cygwin32.h: Delete.
1571 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1572 -D__CYGWIN__ to CPP_PREDEFINES.
1573 * rs6000/x-cygwin32: Delete.
1574 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1575 * rs6000/xm-cygwin32: Delete.
1576 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1578 * configure.in: Check for cygwin* instead of cygwin32. Account
1579 for the rename of cygwin-related config files to lose the "32"s.
1580 * configure: Regenerate.
1582 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1583 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1585 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1587 * Makefile.in (JAVAGC): New macro.
1588 * configure: Rebuilt.
1589 * configure.in: Recognize --enable-java-gc argument. Subst
1592 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1594 Handle equivalences that have been obscured by gcse:
1596 * reload1.c (reload): Handle equivalences set up in multiple places.
1597 * local-alloc.c (reg_equiv_init_insns): New variable.
1598 (no_equiv): New function.
1599 (update_equiv_regs): Handle equivalences set up in multiple places.
1600 Don't ignore an insn just because its destination is likely to be
1603 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1605 * except.c (expand_eh_return): Readd force_operand call lost in
1608 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1610 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1612 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1614 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1616 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1618 * regmove.c (regmove_optimize): Fix error in last change.
1620 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1622 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1623 offset in the .mask pseudo to compensate for frame pointer adjustments.
1624 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1625 word swap arguments moved to/from FP registers.
1626 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1628 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1630 * version.c: Bump for snapshot.
1632 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1634 * version.c: Bump for snapshot.
1636 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1638 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1639 times, then it can not be completely replaced.
1641 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1643 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1645 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1647 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1648 (to distinguish it from the macro wrapping ansidecl.h.)
1649 Include libiberty's ansidecl.h. Remove all redundant definitions.
1650 Define the PROTO() style macros in terms of the PARAMS() ones.
1653 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1654 __STDC__, when deciding whether to use ANSI variable args.
1655 (emit_library_call_value): Likewise.
1657 * cccp.c (error): Likewise.
1658 (warning): Likewise.
1659 (error_with_line): Likewise.
1660 (warning_with_line): Likewise.
1661 (pedwarn): Likewise.
1662 (pedwarn_with_line): Likewise.
1663 (pedwarn_with_file_and_line): Likewise.
1666 * cexp.y (error): Likewise.
1667 (pedwarn): Likewise.
1668 (warning): Likewise.
1670 * collect2.c (fatal_perror): Likewise.
1674 * combine.c (gen_rtx_combine): Likewise.
1676 * cpperror.c (cpp_message): Likewise.
1677 (cpp_fatal): Likewise.
1679 * cpplib.c (cpp_error): Likewise.
1680 (cpp_warning): Likewise.
1681 (cpp_pedwarn): Likewise.
1682 (cpp_error_with_line): Likewise.
1683 (cpp_warning_with_line): Likewise.
1684 (cpp_pedwarn_with_line): Likewise.
1685 (cpp_pedwarn_with_file_and_line): Likewise.
1687 * cpplib.h: Don't define PARAMS() macro.
1689 * demangle.h: Likewise.
1691 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1692 when deciding whether to use ANSI variable args.
1694 * emit-rtl.c (gen_rtx): Likewise.
1695 (gen_rtvec): Likewise.
1697 * final.c (asm_fprintf): Likewise.
1699 * fix-header.c (cpp_message): Likewise.
1701 (cpp_fatal): Likewise.
1703 * gcc.c (concat): Likewise.
1707 * genattr.c (fatal): Likewise.
1709 * genattrtab.c (attr_rtx): Likewise.
1710 (attr_printf): Likewise.
1713 * gencodes.c (fatal): Likewise.
1715 * genconfig.c (fatal): Likewise.
1717 * genemit.c (fatal): Likewise.
1719 * genextract.c (fatal): Likewise.
1721 * genflags.c (fatal): Likewise.
1723 * genopinit.c (fatal): Likewise.
1725 * genoutput.c (fatal): Likewise.
1728 * genpeep.c (fatal): Likewise.
1730 * genrecog.c (fatal): Likewise.
1732 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1733 deciding whether to declare `tree_node' and `rtx_def'.
1735 * hash.h: Don't define stuff we get from gansidecl.h.
1737 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1738 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1739 whether to use ANSI variable args.
1742 * prefix.c (concat): Likewise.
1746 * system.h: Likewise.
1748 * toplev.c (error_with_file_and_line): Likewise.
1749 (error_with_decl): Likewise.
1750 (error_for_asm): Likewise.
1753 (warning_with_file_and_line): Likewise.
1754 (warning_with_decl): Likewise.
1755 (warning_for_asm): Likewise.
1756 (warning): Likewise.
1757 (pedwarn): Likewise.
1758 (pedwarn_with_decl): Likewise.
1759 (pedwarn_with_file_and_line): Likewise.
1761 (really_sorry): Likewise.
1763 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1764 whether to declare `tree_node' and `rtx_def'.
1766 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1767 deciding whether to use ANSI variable args.
1768 (build_nt): Likewise.
1769 (build_parse_node): Likewise.
1771 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1773 * version.c: Bump for snapshot.
1775 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1777 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1779 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1781 * collect2.c (main, case 'b'): Use else if.
1783 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1785 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1786 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1787 before the config/ directory headers.
1788 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1789 gansidecl.h in the list of dependencies.
1791 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1792 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1793 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1794 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1795 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1796 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1799 * cccp.c: Don't include gansidecl.h.
1801 * collect2.c: Likewise.
1802 * config/c4x/c4x.c: Likewise.
1803 * config/v850/v850.h: Likewise.
1804 * cppalloc.c: Likewise.
1805 * cpperror.c: Likewise.
1806 * cppexp.c: Likewise.
1807 * cppfiles.c: Likewise.
1808 * cpphash.c: Likewise.
1809 * cpplib.c: Likewise.
1810 * cppmain.c: Likewise.
1811 * cppulp.c: Likewise.
1812 * demangle.h: Likewise.
1813 * doprint.c: Likewise.
1814 * dyn-string.c: Likewise.
1815 * eh-common.h: Likewise.
1816 * fix-header.c: Likewise.
1817 * frame.c: Likewise.
1820 * gen-protos.c: Likewise.
1821 * gencheck.c: Likewise.
1822 * halfpic.h: Likewise.
1824 * machmode.h: Likewise.
1825 * mbchar.c: Likewise.
1826 * prefix.c: Likewise.
1827 * protoize.c: Likewise.
1828 * recog.h: Likewise.
1830 * scan-decls.c: Likewise.
1832 * varray.h: Likewise.
1834 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
1836 * i386.md (call_value_pop): If we're not popping anything,
1837 defer to call_value.
1838 (call_pop): Likewise defer to call.
1840 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
1842 * function.c (purge_addressof): Clear purge_addressof_replacements
1843 only after processing the whole function.
1845 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
1847 * reload1.c (reload): If we can not perform a particular elimination
1848 when we thought we could earlier, then we must always iterate through
1849 the loop at least one more time.
1851 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
1853 * alpha.c (add_operand): Simplify the CONST_INT match.
1854 (sext_add_operand): Correct typo in comparison by using
1855 CONST_OK_FOR_LETTER_P.
1856 * alpha.md (s?addq): Use sext_add_operand to allow the negative
1857 constant alternatives to be generated.
1858 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
1859 small constants, since the hw instructions do.
1861 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1863 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
1864 previous insn to store directly into our reload register, make sure
1865 that if the source of the previous insn is a reload register, its
1866 spill_reg_store and spill_reg_stored_to values are cleared.
1868 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
1870 * rs6000.md (floatunssidf2_internal splitter): Use base register
1871 operand, not hard-coded SP.
1873 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1875 * jump.c (calculate_can_reach_end): Fix thinko.
1877 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
1879 * reorg.c (fill_simple_delay_slots): Fix typo.
1881 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
1883 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
1885 * i386.md (extendsidi2): Use # in the output template.
1886 (extendsidi splitters): New splitters.
1888 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
1890 * configure.in: Use unknown-elf.h as tm_file for arm-elf
1892 * configure: Regenerate.
1894 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1896 * jump.c (init_label_info, delete_barrier_successors,
1897 mark_all_labels, delete_unreferenced_labels,
1898 delete_noop_moves, calculate_can_reach_end): New functions broken
1899 out of jump_optimize.
1900 (jump_optimize): Use them.
1902 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1904 * except.c (expand_fixup_region_end): Make sure outer context labels
1905 are not issued in an inner context during cleanups.
1907 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
1909 * alpha.md (addsi3, subsi3): No new temporaries once cse is
1912 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
1914 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
1915 to expose this midpoint to CSE.
1917 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1919 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
1921 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1923 * configure.in: Bring over gcc2 change of Nov 19 1997.
1925 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
1927 * toplev.c (output_lang_identify): Make definition dependent on
1928 ASM_IDENTIFY_LANGUAGE.
1930 * print-rtl.c (spaces): Make static.
1932 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
1934 * extend.texi: Clarify proper uses for register clobbers in asms.
1936 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1938 * recog.h (enum op_type): Define.
1939 (constrain_operands): Adjust prototype.
1940 (recog_op_type): Declare new variable.
1941 * recog.c (recog_op_type): New variable.
1942 (insn_invalid_p): Allow modifying an asm statement after reload.
1943 (extract_insn): Set up recog_op_type.
1944 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
1945 Don't compute operand types, use recog_op_type.
1946 Use the information computed by extract_insn instead of the previous
1947 method of finding it by insn code number.
1948 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
1949 * reorg.c (fill_slots_from_thread): Likewise.
1950 * reload1.c (reload_as_needed): Likewise.
1951 (gen_reload): Likewise.
1952 (inc_for_reload): Likewise.
1953 (reload_cse_simplify_operands): Likewise.
1954 Use the information computed by extract_insn instead of the previous
1955 method of finding it by insn code number.
1956 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
1958 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
1959 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
1960 Use the information computed by extract_insn instead of the previous
1961 method of finding it by insn code number.
1962 * regmove.c (find_matches): Likewise. Change meaning of the return
1963 value to be nonzero if the optimization can be performed, zero if
1964 not. All callers changed.
1965 Shorten some variable names to fix formatting problems.
1966 (regmove_optimize): Shorten some variable names to fix formatting
1968 Use the information computed by extract_insn instead of the previous
1969 method of finding it by insn code number.
1970 * regclass.c (scan_one_insn): Likewise.
1971 (record_reg_classes): Don't compute operand types, use recog_op_type.
1972 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
1973 recog_constraints instead.
1975 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
1977 * rtl.h (flow2_completed): Declare.
1978 * flow.c (flow2_completed): Definition.
1979 * toplev.c (rest_of_compilation): Set and clear flow2_completed
1982 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1984 * Makefile.in (libcpp.a): Ranlib libcpp.a
1986 * cppulp.c (user_label_prefix): Initialize.
1988 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
1990 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
1991 at a RETURN if current_function_sp_is_unchanging is set.
1993 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1995 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
1997 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
1999 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2000 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2001 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2002 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2003 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2004 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2006 (LIB_SPEC): Handle -mno-cyginw option.
2007 (LINK_SPEC): Handle -mdll.
2009 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2011 * reload.c (find_reloads): Fix test for usage by other reload
2012 to handle secondary reloads properly.
2014 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2016 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2017 intermediate structure which has exactly the members provided by
2018 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2019 static intermediate structure.
2021 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2022 from the intermediate structure. Do the same analogous fix in
2023 the case where ELIMINABLE_REGS is not defined.
2025 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2027 * pa.h (SELECT_SECTION): Fix thinko.
2029 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2031 * dwarf2out.c (output_call_frame_info): Comments on last change.
2033 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2035 * arm.c (add_constant): When taking the address of an item in the
2036 pool, get the mode of the item addressed.
2038 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2039 contain a SET or a PARALLEL, don't consider it for conditional
2042 Restore ABI compatibility for NetBSD.
2043 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2045 (RETURN_IN_MEMORY): Likewise.
2047 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2049 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2050 (m32r_output_block_move): Rewrite bytes < 4 handling.
2052 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2054 * configure.in: Call AC_FUNC_VFORK.
2056 * collect2.c: Define VFORK_STRING as a printable string for
2057 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2058 defined, include vfork.h. If VMS is defined, define vfork()
2059 appropriately. Remove vfork check on USG, we're using autoconf.
2060 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2061 checking locally what string to pass.
2062 (scan_prog_file): Likewise.
2063 (scan_libraries): Likewise.
2065 * gcc.c: Remove vfork check on USG, we're using autoconf.
2066 Besides, no calls to vfork/fork occur in this file.
2068 * protoize.c: Likewise.
2070 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2072 * configure.in (DEFAULT_LINKER): renamed from LD
2073 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2074 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2075 * configure: rebuilt
2077 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2079 * BUGS: fix the regexp for `more' to find the appropriate node.
2080 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2082 * BUGS: added link to the WWW FAQ
2084 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2086 * version.c: Bump for snapshot.
2088 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2090 * From Christian Gafton:
2091 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2092 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2093 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2095 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2097 * c-common.c (c_get_alias_set): Allow all type-punning through
2098 unions. Don't get confused about the type of a bit-field, despite
2099 the antics of build_modify_expr.
2101 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2103 * fixinc.sco: Paramaterize #include_next values.
2104 * fixinc/fixinc.sco: Likewise.
2106 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2108 * toplev.c (rest_of_compilation): No longer set reload_completed.
2109 * reload1.c (reload): Set it here. Perform instruction splitting
2110 after reload has completed if we will be running the scheduler
2113 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2115 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2116 EH region if exceptions are enabled and we're performing cross
2118 (find_cross_jump): Exit loop if the insns are in different EH regions.
2120 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2122 * dwarf2out.c (output_call_frame_info): Use
2123 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2125 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2127 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2128 * c-common.c (check_format_info): Don't check for the 'x'
2129 format character twice, instead check for 'x' and 'X'
2131 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2133 * configure.in (assembler features): Also make gas is configured if
2134 we find it in the souce tree.
2136 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2138 * i386.c (i386_comp_type_attributes): Compare whether the
2139 attributes are defined, not their tree nodes.
2141 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2143 * configure.in (gxx_include_dir): bitten by autoconf quoting
2145 * configure: rebuilt
2147 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2149 * configure.in: Ignore non-absolute value in $AS.
2151 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2153 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2155 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2157 * configure.in (msdosdjgpp): Set exeext and target_alias.
2159 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2161 * flow.c (XNMALLOC): New macro.
2162 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2164 (add_edge, add_edge_to_label): New static functions.
2165 (free_bb_memory): New function.
2166 (flow_delete_insn): Delete function.
2167 (basic_block_drops_in): Delete variable.
2168 (find_basic_blocks): Allocate and initialize basic_block_head,
2169 basic_block_succ. Don't allocate basic_block_drops_in.
2170 Call free_bb_memory at the beginning.
2171 (find_basic_blocks_1): Don't do multiple passes.
2172 Delete code to compute basic_block_drops_in.
2173 After calling make_edges, mark blocks reached by current block live.
2174 Update test for unreachable live blocks.
2175 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2177 Simplify to call add_edge_to_label when a LABEL_REF is found.
2178 (make_edges): Simplify to call add_edge_to_label instead of
2179 mark_label_ref most of the time.
2180 Compute here whether control drops into the next block.
2181 (delete_unreachable_blocks): Return void. All callers changed.
2182 Delete unreachable blocks in reverse order.
2183 After deleting all unreachable blocks, renumber the remaining ones
2184 and update n_basic_blocks.
2185 (delete_block): Speed up deletion a bit.
2186 Don't set basic_block_drops_in for deleted blocks.
2187 (free_basic_block_vars): Don't free basic_block_drops_in.
2188 (life_analysis_1): Update to use new edge representation.
2189 (dump_flow_info): Delete code to print basic block info; call
2190 dump_bb_data instead.
2191 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2192 and uid_block_number.
2193 Simply copy the previously computed cfg.
2194 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2195 Print register lifetime information if LIVE_INFO is nonzero.
2196 * basic-block.h (dump_bb_data): Adjust prototype.
2197 * gcse.c (gcse_main): Update call to dump_bb_data.
2198 * rtl.h (free_bb_memory): Declare.
2199 * toplev.c (rest_of_compilation): Call free_bb_memory.
2201 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2202 (update_eliminable_offsets): Don't compute it.
2203 (set_initial_elim_offsets): Don't initialize it.
2204 Break out some code into set_initial_label_offsets so the rest of
2205 this function can be called from reload_as_needed.
2206 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2207 ELIMINABLE_REGS isn't.
2208 (set_initial_label_offsets): New function, broken out of
2209 set_initial_elim_offsets.
2210 (set_offsets_for_label): New function, broken out of set_label_offsets
2211 and reload_as_needed.
2212 (reload): Call the two new functions.
2213 (reload_as_needed): Call set_initial_elim_offsets instead of
2214 duplicating the code. Likewise for set_offsets_for_label.
2216 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2217 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2218 any hard reg, reg_reloaded_dead contains valid data.
2220 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2222 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2223 "stdcall" and "cdecl" attributes.
2225 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2227 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2228 handle deleted no-op moves of hard registers.
2229 * haifa-sched.c (update_flow_info): Likewise.
2231 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2233 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2234 of the sequences to reload the HILO register which do not actually
2237 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2239 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2241 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2243 * except.c (emit_eh_context): Make the EH context register stay alive
2244 at -O0 so stupid.c doesn't get confused.
2246 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2248 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2250 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2251 Jeffrey A Law (law@cygnus.com)
2253 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2254 (zero_extendsidi2): Use # in output template and handle completely by
2256 (zero_extend splitters): New define_splits.
2257 (ashiftrt_32): New pattern.
2259 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2261 * tree.c (append_random_chars): New fn.
2262 (get_file_function_name_long): Use it.
2264 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2266 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2267 (LIBCPP_OBJS): New. Add cppulp.o.
2268 (cppmain, fix-header): Depend on and use libcpp.a.
2269 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2270 of the individual object files.
2271 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2274 * cccp.c (user_label_prefix): New.
2275 (main): Set it off -f*leading-underscore.
2276 (special_symbol): Use it.
2277 * cpplib.c (special_symbol): Likewise.
2278 (cpp_handle_option): Handle -f*leading-underscore.
2279 * cppulp.c: New file.
2281 * output.h (user_label_prefix): Declare it.
2282 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2283 * toplev.c (f_options, main): Handle -f*leading-underscore.
2285 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2286 referencing USER_LABEL_PREFIX directly.
2287 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2288 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2289 * final.c (asm_fprintf): Use user_label_prefix instead.
2290 * arm/thumb.c (thumb_print_operand): Likewise.
2292 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2293 cpp wherever appropriate.
2295 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2297 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2298 specific compiler switches.
2300 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2302 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2305 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2307 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2308 structure which has exactly the members provided by EXTRA_SPECS.
2309 Xmalloc() the real `extra_specs', and initialize it from this
2310 intermediate structure.
2312 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2314 * mips.h (EXTRA_SPECS): Likewise.
2316 * sparc.h (EXTRA_SPECS): Likewise.
2318 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2320 * function.c (purge_addressof_1): Instead of aborting when a
2321 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2322 work just put the ADDRESSOF on stack. Otherwise remember all such
2323 successfull replacements, so that exactly the same replacements
2324 can be made on the REG_NOTEs. Remove the special case for CALL
2326 (purge_addressof_replacements): New variable.
2327 (purge_addressof): Clear it at end.
2329 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2331 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2332 (lang_init): Call check_newline always.
2333 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2334 cpp_start_read, set yy_cur and yy_lim to read from
2335 parse_in.token_buffer, so that we'll see the first #line
2337 * cpplib.c (cpp_start_read): finclude the main input file
2338 before processing -include/-imacros. Process -imacros and
2339 -include separately, and handle -include by stacking a
2340 buffer for the file in question as if it'd been #included.
2341 * toplev.c (documented_lang_options) Recognize -H when
2344 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2346 * cpplib.c: Merge do_once into do_pragma. Break file handling
2347 code out of do_include.
2348 Move append_include_chain, deps_output,
2349 file_cleanup, redundant_include_p, import_hash,
2350 lookup_import, add_import, read_filename_string, read_name_map,
2351 open_include_file, finclude, safe_read to cppfiles.c.
2352 Move prototypes for deps_output, append_include_chain,
2353 finclude to cpplib.h. Move definition of struct
2354 file_name_list there also.
2356 * cppfiles.c: New file. Contains all the above functions
2357 broken out of cpplib.c; also hack_vms_include_specification
2358 from cccp.c and find_include_file, a new function broken out of
2361 * Makefile.in (cppmain): Depend on cppfiles.o.
2362 (fix-header): Likewise.
2363 (cppfiles.o): New target.
2364 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2365 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2367 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2369 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2370 if pending_types is non-zero.
2371 (dwarfout_finish): Verify pending_types is zero before finishing.
2373 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2375 * expr.c (convert_move): Use shifts to perform the move if a
2376 suitable extend pattern cannot be found. Code written by
2377 Richard Henderson <rth@cygnus.com>.
2379 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2381 * regclass.c (renumber, regno_allocated): New static variables, moved
2382 out of allocate_reg_info.
2383 (allocate_reg_info): Move these two variables outside the function.
2384 Move code to free memory into new function free_reg_info.
2385 (free_reg_info): New function, broken out of allocate_reg_info.
2386 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2387 * rtl.h (allocate_reg_info): Don't declare.
2388 (free_reg_info): Declare.
2390 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2392 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2394 * toplev.c (compile_file): Temporarily revert last change.
2396 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2398 * c-typeck.c (convert_for_assignment): Parenthesize.
2400 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2402 * reload1.c (delete_output_reload): Avoid ambigous else.
2404 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2406 * toplev.c (compile_file): Call allocate_reg_info to free register
2408 * rtl.h (allocate_reg_info): Declare.
2410 * PROJECTS: Remove entry for local spilling.
2412 * final.c (cleanup_subreg_operands): New function.
2413 (final_scan_insn): Use it.
2414 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2416 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2417 operands when reload has finished.
2418 * reload.h (cleanup_subreg_operands): Declare..
2419 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2420 reload. Handled in reload itself.
2422 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2424 * reload1.c (verify_initial_offsets): New function.
2425 (reload): Call it after reload_as_needed. Also verify that the frame
2426 size stays constant during reload_as_needed.
2427 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2429 * reload.h (struct insn_chain): Add need_operand_change element.
2430 * reload1.c (new_insn_chain): Clear it.
2431 (calculate_needs_all_insns): Set it; don't overload need_reload.
2432 (reload_as_needed): Use it.
2434 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2435 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2436 and reload_address_index_reg_class.
2437 (find_reloads_address_1): Likewise.
2438 * reload.h (reload_address_base_reg_class,
2439 reload_address_index_reg_class): Don't declare.
2440 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2441 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2442 (used_spill_regs): Now static.
2443 (reload_address_base_reg_class, reload_address_index_reg_class,
2444 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2445 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2446 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2449 (init_reload): Delete code to compute base/index reg classes.
2450 (reload): Delete variable J.
2451 Delete code to manage basic_block_needs.
2452 Don't compute regs_explicitly_used.
2453 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2454 pseudo_previous_regs.
2455 Initialize bad_spill_regs_global.
2456 Don't call order_regs_for_reload here.
2457 Don't initialize spill_reg_order and n_spills.
2458 Don't forbid explicitly used regs to be used for spill regs.
2459 Change main loop to infinite loop, with explicit break statements.
2460 Make SOMETHING_CHANGED variable local to that loop.
2461 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2462 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2463 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2465 Don't call dump_needs.
2466 Delete code to reset potential_reload_regs.
2467 Delete code to terminate loop conditional on the global needs variables
2468 showing no further needs.
2469 (calculate_needs_all_insns): Return void. All callers changed.
2470 Initialize somehing_needs_elimination here, not in reload.
2471 Delete avoid_return_reg kludge.
2472 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2473 All callers changed.
2474 Initialize the group_mode and group_size elements of the arg CHAIN.
2475 Delete code to manage basic_block_needs.
2476 Operate on elements of CHAIN instead of global variables.
2477 Delete avoid_return_reg kludge.
2478 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2479 All callers changed.
2480 Operate on elements of CHAIN instead of global variables.
2481 Delete special SMALL_REGISTER_CLASSES code.
2482 Delete spill_failure code; now in new_spill_reg.
2483 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2484 All callers changed.
2485 Operate on elements of CHAIN instead of global variables.
2486 (maybe_mark_pseudo_spilled): New static function.
2487 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2488 All callers changed.
2489 Operate on elements of CHAIN instead of global variables.
2490 Call order_regs_for_reload here, not in reload.
2491 Initialize spill_reg_order and n_spills.
2492 Simplify test whether an asm insn is involved.
2493 Delete spill_failure code; now in new_spill_reg.
2494 Call maybe_mark_pseudo_spilled for everything marked as live in
2495 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2497 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2498 compiler from optimizing this function (now unused) away.
2499 Operate on elements of CHAIN instead of global variables.
2500 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2502 Operate on elements of CHAIN instead of global variables.
2503 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2504 take CHAIN arg. All callers changed.
2505 Operate on elements of CHAIN instead of global variables.
2506 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2507 CHAIN, NONGROUP args. Return void. All callers changed.
2508 Verify caller isn't trying to spill a pseudo.
2509 Simplify test for illegal reg, just use bad_spill_regs.
2510 Generate better error messages.
2511 Operate on elements of CHAIN instead of global variables.
2512 Mark spilled register in CHAIN's used_spill_regs element.
2513 Don't call spill_hard_reg.
2514 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2515 Mark spilled hard regs in bad_spill_regs_global.
2516 Mark affected pseudos in spilled_pseudos, but don't spill them.
2517 (ior_hard_reg_set): New static function.
2518 (finish_spills): Return int. All callers changed.
2519 Compute spill_reg_order, n_spills and spill_regs here. Also update
2520 regs_ever_live for regs used as spills.
2521 For every pseudo in spilled_pseudos, spill it and mark the previous
2522 hard reg it had in pseudo_previous_regs. Compute which hard regs
2523 arseudo): New static function.
2524 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2525 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2526 hard registers explicitly used across the current insn into the set.
2527 Compute hard_reg_n_uses taking only pseudos live across this insn
2529 Tweak sorting of potential_reload_regs.
2530 (compare_spill_regs): Delete function.
2531 (reload_as_needed): Don't sort the spill_regs array, it's computed
2532 in proper order in finish_spills.
2533 Delete avoid_return_reg kludge.
2534 Delete code to manage basic_block_needs.
2535 (allocate_reload_reg): Minor speed/readability tweaks.
2536 Operate on elements of CHAIN instead of global variables.
2537 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2538 Delete avoid_return_reg kludge.
2539 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2540 Delete unused label FAIL.
2541 (reload_combine): Replce reload_address_index_reg_class with
2543 Don't use used_spill_regs to determine information about lifetime of
2546 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2548 * toplev.c (display_help): Ignore empty target specific
2549 options, and if -W is also specified on the command line then
2550 display undocumented options.
2552 * config/arm/arm.c: Updated with changes in devo sources.
2553 * config/arm/arm.h: Updated with changes in devo sources.
2554 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2555 * config/arm/lib1thumb.asm: Add ELF support.
2557 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2559 * collect2.c (aix64_flag): New variable.
2560 (main, case 'b'): Parse it.
2561 (GCC_CHECK_HDR): object magic number must match mode.
2562 (scan_prog_file): Only check for shared object if valid header.
2563 Print debugging if header/mode mismatch.
2565 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2567 Added support for arm-elf-linux configuration, submitted by Philip
2568 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2569 code developed by Catherine Moore <clm@cygnus.com>. The following
2572 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2575 * configure: Regenerated.
2577 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2578 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2579 definitions conditional on their not having been already defined.
2581 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2582 and .type directives, and add "(PLT)" qualification to function
2585 * config/arm/linux.h: Deleted. This file is now superceeded by
2586 either linux-elf.h or linux-aout.h.
2588 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2589 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2591 Move definitions from old linux.h file here.
2593 * config/arm/elf.h: New file. Generic ARM/ELF support.
2595 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2597 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2599 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2600 using the 26bit APCS.
2602 * config/arm/unknown-elf.h: New file. Support for OS'es other
2603 than Linux with ELF.
2605 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2608 * config/arm/coff.h: Include aout.h for basic assembler macros.
2609 Add support for -mstructure_size_boundary=<n> command line option.
2611 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2612 command line option. Make macro definitions conditional on their
2613 not having been already defined.
2615 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2616 command line option.
2619 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2621 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2622 has been changed to not include a newline. Use this macro instead.
2623 (output_enumeral_list, const_value_attribute, name_attribute,
2624 comp_dir_attribute, prototyped_attribute, producer_attribute,
2625 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2626 dwarfout_file_scope_decl, generate_new_sfname_entry,
2627 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2628 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2630 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2632 * combine.c (subst): Process the inputs to a parallel asm_operands
2635 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2637 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2639 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2641 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2643 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2645 * version.c: Bump for snapshot.
2647 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2649 * stmt.c (expand_fixup): Set fixup->before_jump to a
2650 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2652 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2654 * Makefile.in (recog.o): Depend on toplev.h.
2655 (insn-emit.o): Depend on recog.h.
2656 (insn-peep.o): Depend on recog.h and insn-config.h.
2658 * combine.c (simplify_set): Remove unused variable `scratches'.
2660 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2661 and `idx' in macro conditional controlling their use.
2663 * genemit.c (main): Make the generated output file include
2664 recog.h. Don't have it declare `insn_operand_constraint', since
2665 we get it from recog.h.
2667 * genpeep.c (main): Make the generated output file include
2668 insn-config.h and recog.h.
2670 * recog.c: Include toplev.h.
2671 (extract_insn): Remove unused variable `p'.
2673 * regclass.c (fix_register): Add missing braces around initializer
2675 (allocate_reg_info): Move variable `i' into the scope where it is
2676 used. Change its type to `size_t'.
2678 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2680 * reload.c (push_reload): When merging reloads, make sure
2681 that reload_in_reg and reload_in are from the same reload in
2684 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2686 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2687 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2689 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2691 * loop.c (loop_has_tablejump): New variable.
2692 (prescan_loop): Scan for it.
2693 (insert_bct): Replace explicit scan with use of it.
2694 * regclass.c (regclass): Restore loop variable j.
2695 (record_reg_classes): Deterine op_types modifiers and initialize
2696 classes[i] before matching constraints. Handle matching
2699 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2701 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2704 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2706 * mips.h (EXTRA_SPECS): Add missing initializers.
2708 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2710 * sparc.h (EXTRA_SPECS): Add missing initializers.
2711 (sparc_defer_case_vector): Provide a prototype.
2713 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2714 comparing it to the result of a pointer subtraction.
2716 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2718 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2719 the argument to (unsigned char).
2721 * alpha.h (EXTRA_SPECS): Add missing initializers.
2722 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2725 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2727 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2728 (propagate_block): Delete dead code after reload.
2730 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2731 back Oct 15, 1998 change.
2732 * haifa-sched.c (update_flow_info): Likewise.
2733 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2735 * mn10200.md (truncated shift): Accept constant inputs too.
2737 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2739 * machmode.h (mode_mask_array): No longer const.
2740 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2742 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2744 * frame.c: Somewhat explain `FDE'.
2745 Suggested by Brendan Kehoe
2747 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2749 * expr.c (pending_chain): Move up.
2750 (save_expr_status): Do save pending_chain.
2751 (restore_expr_status): And restore it.
2752 * function.h (struct function): Add pending_chain.
2754 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2756 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2757 did not match the code.
2759 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2761 * regclass.c (regclass): Break out some code into new function
2762 scan_one_insn, and into regclass_init.
2763 (init_cost): New static variable, moved out of regclass.
2764 (regclass_init): Initialize it here, not in .
2765 (scan_one_insn): New static function, broken out of regclass.
2766 * recog.c (apply_change_group): Break out some code into new
2767 function insn_invalid_p.
2768 (insn_invalid_p): New static fn, broken out of apply_change_group.
2770 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2772 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2773 reg_reloaded_contents matches incremented pseudo.
2775 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2777 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2779 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2780 addressing modes with side effects. These are currently
2781 placeholders for the C4x target.
2783 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2785 * loop.c (express_from): Make sure that when generating a PLUS of
2786 a PLUS, any constant expression appears on the outermost PLUS.
2788 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2790 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2791 works if "$(srcdir)" != ".".
2793 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2795 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2796 existing SUBREG if we can, otherwise abort.
2798 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2800 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2801 `restrict' is applied to a non-pointer variable.
2803 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2805 * invoke.texi: Document -flang-isoc9x.
2807 * Makefile.in (OBJS): Add splay-tree.o.
2808 (c-common.o): Depend on rtl.h.
2809 (splay-tree.o): List dependencies and provide build rule.
2811 * rtl.h (record_alias_subset): New function.
2812 * alias.c: Include splay-tree.h.
2813 (alias_set_entry): New type.
2814 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2815 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2816 (mems_in_disjoin_alias_sets_p): New function.
2817 (alias_set_compare): Likewise.
2818 (insert_subset_children): Likewise.
2819 (get_alias_set_entry): Likewise.
2821 * tree.h (TYPE_RESTRICT): New macro.
2822 (TYPE_UNQUALIFIED): New manifest constant.
2823 (TYPE_QUAL_CONST): Likewise
2824 (TYPE_QUAL_VOLATILE): Likewise.
2825 (TYPE_QUAL_RESTRICT): Likewise.
2826 (tree_type): Add restrict_flag. Reduce count of free bits.
2827 (DECL_POINTER_ALIAS_SET): New macro.
2828 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
2829 (tree_decl): Add pointer_alias_set.
2830 (build_qualified_type): New function.
2831 (build_type_variant): Define in terms of build_qualified_type.
2832 * tree.c (set_type_quals): New function.
2833 (make_node): Initializae DECL_POINTER_ALIAS_SET.
2834 (build_type_attribute_variant): Use build_qualified_type and
2836 (build_type_variant): Rename, and modify, to become...
2837 (build_qualified_type): New function.
2838 (build_complex_type): Use set_type_quals.
2840 * c-tree.h (C_TYPE_OBJECT_P): New macro.
2841 (C_TYPE_FUNCTION_P): Likewise.
2842 (C_TYPE_INCOMPLETE_P): Likewise.
2843 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
2844 (c_apply_type_quals_to_decl): New function.
2845 (c_build_qualified_type): New function.
2846 (c_build_type_variant): Define in terms of c_build_qualified_type.
2847 (flag_isoc9x): Declare.
2848 * c-typeck.c (qualify_type): Use c_build_qualified_type.
2849 (common_type): Change to use TYPE_QUALS.
2850 (comptypes): Likewise.
2851 (convert_for_assignment): Likewise.
2852 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
2853 * c-decl.c (flag_isoc9x): Define.
2854 (c_decode_option): Handle -flang-isoc9x.
2855 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
2856 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
2857 * c-lex.c (init_lex): Deal with restrict.
2858 (init_lex): Don't treat restrict as a reserved word in
2859 -traditional mode, or without -flang-isoc9x.
2860 * c-lex.h (rid): Add RID_RESTRICT.
2861 * c-parse.gperf (restrict, __restrict, __restrict__): Make
2862 equivalent to RID_RESTRICT.
2863 * c-parse.in (TYPE_QUAL): Update comment.
2864 * c-common.c: Include rtl.h.
2865 (c_find_base_decl): New function.
2866 (c_build_type_variant): Rename, and modify, to become ...
2867 (c_build_qualified_type): New function.
2868 (c_apply_type_quals_to_decl): Likewise.
2869 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
2870 a particular alias set for the reference.
2871 * toplev.c (documented_lang_options): Add -flang-isoc9x.
2873 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
2875 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
2876 command line switches.
2878 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
2880 * reload.c (loc_mentioned_in_p): Add missing braces to bind
2883 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
2885 * gcc.c (option_map): Added --classpath and --CLASSPATH.
2887 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
2889 * regclass.c (fix_register): Add error message.
2890 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
2893 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2895 * c-decl.c (warn_missing_noreturn): New global variable.
2896 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
2897 (finish_function): Implement missing noreturn warning.
2899 * c-tree.h (warn_missing_noreturn): Declare extern.
2901 * invoke.texi: Document new flags.
2903 * toplev.c (documented_lang_options): Add description.
2905 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2907 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
2908 loop optimization stable for the C4x.
2909 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
2910 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
2911 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
2913 (c4x_address_conflict): Be more paranoid when packing a volatile
2914 memref in a parallel load/store.
2916 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2918 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
2919 repeat_block_filler): Deleted.
2920 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
2921 Condition code not set if destination register from 'c' class.
2922 (*subbqi3_carry_clobber): Fix typo.
2924 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2926 * reorg.c (steal_delay_list_from_target) Check for insns that
2927 modify the condition codes and effect the direction of the jump
2930 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
2932 * function.c (purge_addressof_1): Replace call to
2933 emit_insns_before() with emit_insn_before().
2935 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
2937 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
2939 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2941 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
2943 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
2945 * gcse.c (compute_hash_table): Correctly identify hard regs which are
2946 clobbered across calls.
2948 * loop.c (scan_loop): Be more selective about what invariants are
2949 moved out of a loop.
2951 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
2953 * version.c: Bump for snapshot.
2955 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
2957 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
2958 static eh_context structure.
2960 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2962 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
2964 (try_combine): Don't update max_scratch.
2965 * flow.c (max_scratch, num_scratch): Delete variables.
2966 (life_analysis_1): Don't initialize max_scratch.
2967 (propagate_block): Don't update max_scratch.
2968 (mark_set_1): Don't increment num_scratch.
2969 * regs.h (max_scratch): Delete declaration.
2971 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
2973 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
2974 is nonzero. This is temporary!
2976 * sched.c (update_flow_info): Handle death notes made invalid by
2977 instruction splitting. Partially reverts Oct 15, 1998 patch.
2978 * haifa-sched.c (update_flow_info): Likewise.
2980 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
2982 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
2983 if it has a nonzero DECL_INITIAL.
2985 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2987 * Makefile.in (flow.o): Depend on recog.h.
2989 * cpplib.h (directive_table): Add missing initializiers.
2990 (finclude): Change type of variable `bsize' to size_t.
2992 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
2994 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
2996 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
2997 `int' when comparing against one.
2998 (cpp_file_line_for_message): Mark parameter `pfile' with
3000 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3002 * flow.c: Include recog.h.
3003 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3005 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3006 `f' with ATTRIBUTE_UNUSED.
3007 (reposition_prologue_and_epilogue_notes): Likewise.
3009 * genopinit.c (gen_insn): Cast argument of ctype functions to
3012 * haifa-sched.c: Include recog.h.
3013 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3014 comparing against one.
3016 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3018 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3020 (parse_ent): Likewise.
3021 (parse_input): Likewise.
3023 * optabs.c (init_libfuncs): Likewise.
3025 * protoize.c (find_rightmost_formals_list): Likewise.
3027 * recog.h (const_double_operand): Fix typo in prototype.
3029 * tlink.c (scan_linker_output): Cast the argument of ctype
3030 function to `unsigned char'.
3032 * toplev.c (check_lang_option): Cast the result of `strlen' to
3033 `int' when comparing against one.
3035 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3037 * gcse.c (dump_cuid_table): Correct typo.
3039 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3041 * toplev.c (display_help): Prepend '-m' to target specific
3043 (check_lang_option): Ignore text after end of first word of a
3044 language specific option.
3046 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3048 * reload1.c (reg_used_by_pseudo): New static variable.
3049 (choose_reload_regs): Initialize it.
3050 Use it instead of testing spill_reg_order to determine whether a
3051 pseudo is live in a hard register across the current insn.
3052 Fix a typo in a reference to reload_reg_rtx.
3054 * flow.c (propagate_block): Replace code that computes and uses
3055 regs_sometimes_live with simpler code that just walks the set of
3056 currently live registers.
3058 * Makefile.in (insn-extract.o): Fix dependencies.
3059 * genextract.c (main): Generate includes for insn-config.h and
3061 Delete generation of declarations which are now in recog.h.
3062 * genrecog.c (main): Delete generation of definitions which are
3064 * local-alloc.c (block_alloc): Use extract_insn and the variables
3065 it sets up instead of looking up values by insn_code.
3066 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3067 recog_dup_num): Define here instead of generating the definition in
3069 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3070 recog_operand_mode, recog_constraints, recog_operand_address_p):
3072 (extract_insn): New function.
3073 * recog.h (extract_insn): Declare function.
3074 (which_alternative, recog_n_operands, recog_n_dups,
3075 recog_n_alternatives, recog_operand_mode, recog_constraints,
3076 recog_operand_address_p): Declare variables.
3077 * regclass.c (n_occurrences): New static function.
3078 * reload.c (n_occurrences): Delete function.
3079 (find_reloads): Use extract_insn.
3080 * reload.h (n_occurrences): Delete declaration.
3082 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3084 * reload1.c (reload_as_needed): Fix test for when to call
3085 update_eliminable_offsets.
3087 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3089 Fix consistency problems with reg_equiv_{mem,address};
3090 Improve reload inheritance;
3092 * reload.c (reload_out_reg): New variable.
3093 (loc_mentioned_in_p, remove_address_replacements): New functions.
3094 (remove_replacements): Deleted.
3095 (push_reload): Set reload_out_reg[i].
3096 When merging, also set reload_{in,out}_reg[i], and remove
3097 duplicate address reloads.
3098 (combine_reloads): Copy reload_out_reg[i].
3099 (find_reloads): Do make_memloc substitution also when
3100 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3102 Include *recog_operand_loc in commutativity operand changes.
3103 Generate optional output reloads.
3104 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3105 processing operands. Call make_memloc in reg_equiv_address code.
3106 Set *recog_operand_loc only after processing operands, and only
3107 if replace is true. Return a value.
3108 When changing address reload types for operands that didn't get
3109 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3110 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3111 Don't emit USEs for pseudo SUBREGs when not replacing.
3112 (find_reloads_address): Do make_memloc substitution also when
3113 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3115 (find_reloads_toplev): Likewise.
3116 Call make_memloc in reg_equiv_address code.
3117 (debug_reload_to_stream): Add code to output reload_out_reg.
3118 (make_memloc): Delete local variable i, ifdefed out code, and
3119 references to memlocs and n_memlocs.
3120 (memlocs, n_memlocs): Delete.
3121 (push_secondary_reload): Clear reload_out_reg.
3122 (find_reloads_address_1): Provide memrefloc argument to all calls
3123 to find_reloads_address.
3124 In AUTO_INC code, handle non-directly addressable equivalences properly.
3125 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3126 (find_reloads): Add return type.
3127 (remove_address_replacements, deallocate_reload_reg): Declare.
3128 * reload1.c (num_not_at_initial_offset): No longer static.
3129 (delete_address_reloads, delete_address_reloads_1): Likewise.
3130 (deallocate_reload_reg): New function.
3131 (spill_reg_stored_to): New array.
3132 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3133 (eliminate_regs_in_insn): Move assignments of previous_offset and
3134 max_offset fields, and recalculation of num_not_at_initial_offset
3135 into new static function:
3136 (update_eliminable_offsets) .
3137 (reload_as_needed): Call update_eliminable_offsetss after calling
3139 Call forget_old_reloads_1 with contents of reloaded auto_inc
3140 expressions if the actual addressing can't be changed to match the
3142 (choose_reload_regs): For inheritance, replace
3143 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3144 remove stand-alone reload_reg_used_at_all test.
3145 Use reload_out_reg to determine which reload regs have output reloads.
3146 Treat reload_override_in more similar to inherited reloads.
3147 Handle (subreg (reg... for inheritance.
3148 For flag_expensive_optimizations, add an extra pass to remove
3149 unnecessary reloads from known working inheritance.
3150 Delete obsolete code for pseudos replaced with MEMs.
3151 Handle inheritance from auto_inc expressions.
3152 (emit_reload_insns): If reload_in is a MEM, set OLD to
3154 Don't reload directly from oldequiv; if it's a pseudo with a
3155 stack slot, use reload_in[j].
3156 Check that reload_in_reg[j] is a MEM before replacing reload_in
3157 from reg_reloaded_contents.
3158 Include non-spill registers in reload inheritance processing.
3159 Also try to use reload_out_reg to set spill_reg_store /
3160 reg_last_reload_reg.
3161 In code to set new_spill_reg_store, use single_set to find out if
3162 there is a single set.
3163 Add code that allows to delete optional output reloads.
3164 Add code to allow deletion of output reloads that use no spill reg.
3165 At the end, set reload_override_in to oldequiv.
3166 Also call delete_output_reload if reload_out_reg is equal to old
3168 Add code to call delete_output_reload for stores with no matching load.
3169 Set / use spill_reg_stored_to.
3170 Handle case where secondary output reload uses a temporary, but
3171 actual store isn't found.
3172 When looking for a store of a value not loaded in order to call
3173 delete_output_reload, count_occurences should return 0 for no
3174 loads; but discount inherited input reloadill_reg_stored_to.
3175 Do checks for extra uses of REG. Changed all
3177 Use delete_address_reloads.
3178 (reload): Take return value of find_reloads into account.
3179 If a no-op set needs more than one reload, delete it.
3180 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3181 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3182 for the same operand.
3183 (clear_reload_reg_in_use): Check for other reloads that keep a
3185 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3186 RELOAD_FOR_OPADDR_ADDR.
3187 Take into account when an address address reload is only needed
3188 for the address reload we are considering.
3189 (count_occurrences): Use rtx_equal_p for MEMs.
3190 (inc_for_reload): Return instruction that stores into RELOADREG.
3191 New argument two, IN, and rtx. Changed all callers.
3192 (calculate_needs_all_insns, reload_as_needed):
3193 Don't clear after_call for a CLOBBER.
3194 Keep track of how many hard registers need to be copied from
3195 after_call, and don't clear after_call before we have seen
3196 that much copies, or we see a different instruction.
3198 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3200 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3201 after reload has completed.
3203 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3205 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3206 a macro name and the next token with a single blank if that whitespace
3207 is in a macro buffer and the next token is not '('.
3209 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3211 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3213 (skip_if_group): Ditto.
3214 (skip_to_end_of_comment): Ditto.
3216 (discard_comments): Ditto.
3217 (change_newlines): Ditto.
3219 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3221 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3223 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3225 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3226 (TARGET_OPTIONS): Add --help documentation.
3228 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3230 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3232 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3234 * fixinc/* Moved in from ../contrib directory in preparation
3235 for integrating it into the normal build process. In particular,
3236 fixinc/Makefile.in must be config-ed into the build directory
3237 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3238 ./configure.in will be "in the mail" momentarily.
3240 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3242 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3243 accidently walk into the free list. Comment how that can happen.
3244 (invalidate): Fix indentation.
3246 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3247 Jeffrey A Law (law@cygnus.com)
3249 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3250 reload. Never perform rescans of the insn chain after reload.
3251 (propagate_block): Do not delete insn or create new autoinc addressing
3254 * jump.c (jump_optimize): Unconditionally use the code that was
3255 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3256 * reload1.c (reload): When reloading is finished, delete all
3257 REG_DEAD and REG_UNUSED notes.
3258 (emit_reload_insns): Delete all code that was conditional on
3259 PRESERVE_DEATH_INFO_REGNO_P.
3260 (no_longer_dead_regs): Delete variable.
3261 (reload_cse_delete_death_notes): Delete function.
3262 (reload_cse_no_longer_dead): Delete function.
3263 (reload_cse_regs_1): Delete all code to handle deletion of death
3265 (reload_cse_noop_set_p): Likewise.
3266 (reload_cse_simplify_set): Likewise.
3267 (reload_cse_simplify_operands): Likewise.
3268 (reload_cse_move2add): Likewise.
3269 * reorg.c (used_spill_regs): Delete declaration.
3270 (max_label_num_after_reload): Delete declaration.
3271 (find_dead_or_set_registers): Don't assume that spill regs are
3272 dead at a CODE_LABEL.
3273 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3275 * sched.c (sched_analyze_insn): Likewise.
3276 (update_flow_info): Likewise.
3277 * haifa-sched.c (sched_analyze_insn): Likewise.
3278 (update_flow_info): Likewise.
3279 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3280 * toplev.c (max_label_num_after_reload): Delete variable.
3281 (rest_of_compilation): Don't set max_label_num_after_reload.
3282 Call life_analysis after reload_cse_regs if optimizing.
3283 * config/gmicro/gmicro.h: Delete comment referring to
3284 PRESERVE_DEATH_INFO_REGNO_P.
3285 * config/i386/i386.h: Likewise.
3286 * config/m88k/m88k.h: Likewise.
3287 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3288 * config/sh/sh.h: Likewise.
3290 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3292 * loop.c (strength_reduce): Restore marking bct_p as
3294 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3295 HAVE_decrement_and_branch_on_count.
3296 (small_data_operand): Remove TARGET_ELF condition for marking
3297 parameters ATTRIBUTE_UNUSED.
3299 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3301 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3302 (SELECT_SECTION): Resync with svr4.h.
3304 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3306 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3309 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3311 * c-pragma.c (handle_pragma_token): Test for null tree before
3312 dereferencing TREE_CODE.
3314 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3316 * config/c4x/c4x.c: Convert to use GEN_INT.
3317 (c4x_parallel_process): Rework to handle new repeat loop structure.
3319 * config/c4x/c4x.md: Convert to use GEN_INT.
3320 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3321 (decrement_and_branch_on_count): Likewise.
3323 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3324 loop.c has the desired functionality.
3325 (rc_reg_operand): New prototype.
3327 * config/c4x/t-c4x: Can now build all front ends.
3329 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3331 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3333 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3335 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3336 * config/t-rtems: Do not install assert.h -- use newlib's.
3338 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3340 * combine.c (combine_instructions): When finished, call init_recog.
3341 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3343 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3345 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3347 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3349 * cppalloc.c (memory_full): Mark function prototype with
3352 * demangle.h (collect_exit): Likewise.
3354 * fix-header.c (v_fatal, fatal): Likewise.
3356 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3359 * gcov.c (print_usage): Likewise.
3361 * genattr.c (fatal, fancy_abort): Likewise.
3363 * genattrtab.c (fatal, fancy_abort): Likewise.
3365 * gencodes.c (fatal, fancy_abort): Likewise.
3367 * genconfig.c (fatal, fancy_abort): Likewise.
3369 * genemit.c (fatal, fancy_abort): Likewise.
3371 * genextract.c (fatal, fancy_abort): Likewise.
3373 * genflags.c (fatal, fancy_abort): Likewise.
3375 * genopinit.c (fatal, fancy_abort): Likewise.
3377 * genoutput.c (fatal, fancy_abort): Likewise.
3379 * genpeep.c (fatal, fancy_abort): Likewise.
3381 * genrecog.c (fatal, fancy_abort): Likewise.
3383 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3384 __sjpopnthrow, __throw): Likewise.
3386 * objc/objc-act.c (objc_fatal): Likewise.
3388 * protoize.c (usage, aux_info_corrupted,
3389 declare_source_confusing): Likewise.
3391 * rtl.c (dump_and_abort): Likewise.
3393 * rtl.h (sets_cc0_p): Likewise.
3395 * toplev.c (float_signal, pipe_closed): Likewise.
3397 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3399 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3400 when generating the decision tree for the general case.
3402 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3403 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3405 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3407 * Makefile.in (sched.o): Depend on recog.h.
3409 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3410 (unsigned) when comparing against one.
3411 (find_base_value): Likewise.
3412 (record_base_value): Cast variable `regno' to (unsigned) when
3413 comparing against one. Cast the result of REGNO() macro to
3414 (unsigned) when comparing against one.
3415 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3417 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3418 variable where an unsigned index is needed.
3420 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3421 before comparing against one.
3423 * collect2.c: Add prototypes for functions `error', `fatal' and
3424 `fatal_perror'. Make these functions take variable arguments
3425 instead of faking it with a fixed number of args.
3426 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3429 * combine.c (can_combine_p): Mark parameter `pred' with
3431 (find_split_point): Cast variable `src' to (unsigned
3432 HOST_WIDE_INT) when comparing against one.
3433 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3434 (simplify_logical): Likewise.
3435 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3436 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3437 HOST_WIDE_INT) in shift.
3438 (simplify_and_const_int): Cast result of INTVAL() macro to
3439 `unsigned HOST_WIDE_INT' when comparing against one.
3440 (merge_outer_ops): Cast variable const0 to `unsigned
3441 HOST_WIDE_INT' when comparing against the result of
3442 GET_MODE_MASK() macro.
3443 (simplify_comparison): Likewise for variable `c0'. Cast variable
3444 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3445 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3446 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3447 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3448 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3449 comparing against one.
3450 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3452 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3453 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3454 (output_block_move): Cast `sizeof' expression to (int) when
3455 comparing against one.
3456 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3458 (save_restore_insns): Cast `base_offset' to `long' to match format
3459 specifier in fprintf.
3461 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3462 to `enum machine_mode'.
3464 * flow.c (life_analysis_1): Remove unused variable `insn'.
3466 * gcc.c (translate_options): Move variables `j' and `k' into the
3467 scope in which they are used. Change their types to `size_t'.
3468 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3469 (read_specs): Likewise.
3470 (process_command): Cast `sizeof' to (int) when comparing against one.
3471 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3472 (handle_braces): Cast both sides of `==' expression to `long' to
3473 ensure sign matching.
3474 (main): Cast variable `i' to `int' when comparing against one.
3476 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3477 int to size_t. Cast variable `i' to size_t when comparing against
3480 * genattrtab.c (convert_set_attr_alternative): Remove unused
3481 parameter `insn_code'. All callers changed.
3482 (convert_set_attr): Likewise.
3484 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3485 size_t when comparing against one. Likewise for variable `len'.
3487 * global.c (global_alloc): Cast variable `max_regno' to size_t
3488 when comparing against one. Likewise for variable `max_allocno'.
3490 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3492 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3493 `set' with ATTRIBUTE_UNUSED.
3494 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3497 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3498 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3499 (get_condition): Cast variable `const_val' to `unsigned
3500 HOST_WIDE_INT' when comparing against one. Cast unsigned
3501 expression to HOST_WIDE_INT when comparing against one.
3502 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3503 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3504 `unsigned' when comparing against one.
3506 * protoize.c (is_id_char): Change type of parameter `ch' to
3508 (munge_compile_params): Cast argument of ctype macro to (const
3510 (process_aux_info_file): Cast variable `aux_info_size' to int when
3511 comparing against one.
3512 (forward_to_next_token_char): Cast argument of ctype macro to
3513 `const unsigned char'.
3514 (edit_formals_lists): Likewise.
3515 (find_rightmost_formals_list): Likewise.
3516 (add_local_decl): Likewise.
3517 (add_global_decls): Likewise.
3518 (edit_fn_definition): Likewise.
3519 (do_cleaning): Likewise.
3520 (scan_for_missed_items): Likewise.
3521 (edit_file): Cast variable `orig_size' to (int) when comparing
3523 (main): Cast argument of ctype macro to `const unsigned char'.
3525 * recog.c (const_int_operand): Mark parameter `mode' with
3528 * regclass.c (record_reg_classes): Change type of variable `c' to
3529 `unsigned char'. Cast `char' array index to `unsigned char'.
3531 * reload.c (push_secondary_reload): Cast argument to
3532 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3534 * reload1.c (calculate_needs): Cast `char' array index to
3536 (set_label_offsets): Change type of variable `i' to unsigned int.
3537 Cast result of XVECLEN() macro to unsigned when comparing against
3539 (mark_not_eliminable): Change type of variable `i' to unsigned.
3540 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3541 when comparing against one.
3542 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3543 comparing against one.
3544 (choose_reload_regs): Hide unused label `fail'.
3545 (reload_cse_simplify_operands): Cast `char' array index to
3547 (reload_combine_note_store): Mark parameter `set' with
3548 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3550 (reload_cse_move2add): Remove unused variable `src2'.
3552 * sched.c: Include recog.h.
3553 (sched_note_set): Remove unused parameter `b'. All callers
3555 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3556 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3557 when comparing against one.
3559 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3560 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3561 comparing against one.
3563 * unroll.c (precondition_loop_p): Remove unused parameter
3564 `loop_end'. All callers changed.
3566 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3568 * reload1.c (maybe_fix_stack_asms): New static function.
3571 * reload.h (compute_use_by_pseudos): Declare.
3573 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3574 (something_needs_reloads): Delete variable.
3575 (finish_spills): New function.
3576 (compute_use_by_pseudos): New function.
3578 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3579 Use the reload_insn_chain instead of walking the rtl directly.
3581 (reload): Allocate and free spilled_pseudos.
3582 Ensure that all calls of spill_hard_reg are followed by a call to
3584 Use the insns_need_reload list instead of something_needs_reloads
3585 to find out if reload_as_needed must be called.
3586 Clear unused_insn_chains at the end.
3588 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3590 Delete code to keep track of current basic block.
3591 Walk reload_insn_chain instead of the rtl structure. Build the
3592 insns_need_reload chain.
3593 Remember which insns need reloading/elimination by setting the
3594 appropriate fields in struct insn_chain, not by putting modes on the
3597 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3598 arg INSN. All callers changed.
3599 Delete declaration of struct needs.
3600 Don't set something_needs_reloads.
3601 Record insn needs in the CHAIN argument.
3603 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3605 (reload_as_needed): Lose FIRST arg. All callers changed.
3606 Walk the reload_insn_chain instead of the rtx structure.
3607 Delete code to keep track of current basic block.
3608 Rename one of the NEXT variables to OLD_NEXT.
3610 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3612 (choose_reload_regs): Likewise.
3614 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3617 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3618 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3619 (hard_regs_live, hard_regs_need_restore): Delete variables.
3620 (n_regs_saved): Now static.
3621 (referenced_regs, this_insn_sets): New variables.
3623 (setup_save_areas): Restructure the code a bit.
3625 (restore_referenced_regs): Delete function.
3626 (mark_referenced_regs): New function, similar to the old
3627 restore_referenced_regs, but mark registers in referenced_regs.
3629 (clear_reg_live): Delete function.
3630 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3631 Only mark registers in this_insn_sets.
3633 (save_call_clobbered_regs): Rework this function to walk the
3634 reload_insn_chain instead of using the list of instructions directly.
3635 Delete code to keep track of register lives, compute live regs on the
3636 fly from information in the chain.
3637 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3638 then walk the set it computes and call insert_restore as appropriate.
3640 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3642 Restructure the code a bit. Test hard_regs_saved instead of
3643 hard_regs_need_restore.
3644 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3645 args. All callers changed.
3646 Restructure the code a bit. Use TO_SAVE to determine which regs to
3647 save instead of more complicated test.
3648 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3650 Create a new insn_chain structure for the new insn and place it
3653 * rtl.texi: Update documentation to reflect that reload no longer
3654 puts modes on the insns.
3656 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3658 * function.c (purge_addressof_1): Force the first argument of a
3659 CALL insn to memory.
3661 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3663 * rtl.h: Delete duplicate prototypes. Add some missing
3665 * rtlanal.c: (for_each_rtx): Formatting tweak.
3667 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3669 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3670 to be compatible with TI compiler.
3672 * Makefile.in (USER_H): Add va-c4x.h to definition.
3674 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3676 * function.c (purge_addressof_1): Fix typo in inequality: do
3677 bitfield optimization for equal mode sizes.
3678 * expmed.c (store_bit_field): Don't take subregs of subregs in
3679 the movstrict case. Tidy a potential problem in the multi-word case.
3680 (extract_bit_field): Likewise.
3682 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3684 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3686 Compute max_uid_for_flow by calling get_max_uid after the scan.
3687 (find_basic_blocks_1): Don't emit NOPs here.
3689 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3691 * alias.c (base_alias_check): Accept new args for the modes of the
3692 two references. Use them to determine if an AND can overlap. Update
3694 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3695 to determine if an AND can overlap.
3697 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3699 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3700 check. Add comment to document problems with TARGET_SUN_FPA version
3702 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3704 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3706 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3708 * c-common.c (print_char_table): Add missing initializers.
3709 (scan_char_table): Likewise.
3710 (time_char_table): Likewise.
3712 * c-decl.c (c_decode_option): Mark parameter `argc' with
3714 (declare_parm_level): Mark parameter `definition_flag' with
3717 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3718 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3721 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3723 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3725 (expand_call): Cast result of MIN() to (unsigned int) when
3726 comparing against an unsigned value.
3728 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3730 (make_definition): Remove unused parameter `op'. All callers
3732 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3733 comparing against the result of pointer arithmetic.
3735 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3736 when comparing against one.
3738 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3739 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3741 (output_die): Move variable `i' into the scope in which it is
3742 used. Change its type to `unsigned'.
3743 (output_die): Cast the result of `strlen' to (int) when passing it
3744 to ASM_OUTPUT_ASCII().
3745 (output_pubnames): Likewise.
3746 (output_line_info): Likewise.
3748 * emit-rtl.c (global_rtl): Add missing initializers.
3750 * explow.c (promote_mode): Mark parameter `for_call' with
3753 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3754 `unsigned HOST_WIDE_INT' when comparing against one.
3755 (synth_mult): Change type of variable `cost' to int.
3756 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3758 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3759 when comparing against one.
3760 (get_inner_reference): Change variable `alignment' to unsigned.
3761 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3762 int) when comparing against one.
3763 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3765 * fold-const.c (div_and_round_double): Cast BASE to
3766 (HOST_WIDE_INT) when comparing against one.
3768 * gencheck.c: Include gansidecl.h.
3769 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3771 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3772 `tcode' with ATTRIBUTE_UNUSED.
3774 * real.c (edivm): Cast constant value to (unsigned long) in
3775 expression compared against an unsigned value.
3777 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3778 comparing against one.
3779 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3780 when comparing against one.
3782 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3783 (unsigned int) when comparing against one. Likewise for
3785 (smallest_mode_for_size): Likewise.
3786 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3787 (restore_storage_status): Likewise.
3789 * toplev.c (debug_args): Add missing initializer.
3790 (f_options): Spelling correction. Add missing initializers.
3791 (documented_lang_options): Likewise.
3792 (debug_end_source_file): Mark parameter `lineno' with
3795 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3796 `decl' and `type' with ATTRIBUTE_UNUSED.
3798 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3799 when comparing against one.
3800 (assemble_variable): Mark parameter `top_level' with
3802 (assemble_external_libcall): Mark parameter `fun' with
3804 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3807 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3809 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3810 Replace use of r5 with use of r19.
3812 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3814 * config/v850/v850.c (compute_register_save_size): Allow for the
3815 fact that helper functions save all registers, not just those used
3818 Replace constant 31 with macro LINK_POINTER_REGNUM.
3820 * config/v850/v850.md: Use 'indirect_operand' rather than
3821 'memory_operand' for bit test/set/clear patterns.
3823 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
3825 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
3826 * varasm.c (assemble_start_function et al): Don't call
3827 ASM_GLOBALIZE_LABEL for weak symbols.
3829 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
3831 * cse.c (equiv_constant): Check for NULL return from
3832 gen_lowpart_if_possible().
3834 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
3836 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
3838 * collect2.c (main): Pass -EL/-EB through to the compiler.
3840 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3842 * expr.c (push_block): Handle targets where the stack grows
3843 to higher addresses, but args grow to lower addresses and
3844 ACCUMULATE_OUTGOING_ARGS is not defined.
3846 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
3848 * config/v850/v850.c (print_operand): Extend meaning
3849 of 'c' operands to support .vtinherit.
3851 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3853 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
3854 Added ATTRIBUTE_UNUSED to unused function arguments.
3855 (rc_reg_operand): New predicate.
3856 (c4x_rptb_insert): New function.
3857 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
3858 (c4x_optimization_options): New function.
3860 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
3861 (decrement_and_branch_on_count): New pattern.
3862 (rptb_top): Modified pattern to work with BCT optimization.
3864 * config/c4x/c4x.h (RC_REG): New register class.
3865 (rc_reg_operand): Define prototype.
3866 (IS_RC_REG): New macro.
3867 (IS_RC_OR_PSEUDO_REG): New macro.
3868 (IS_RC_OR_PSEUDO_REGNO): New macro.
3869 (OPTIMIZATION_OPTIONS): Define.
3871 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
3873 * collect2.c (extract_init_priority): No priority is 65535.
3875 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3877 * Makefile.in (build_tooldir): new variable, same as old
3878 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
3879 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
3880 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
3882 * configure.in (gxx_include_dir): set default based on unlibsubdir
3883 * Makefile.in (tooldir): ditto
3884 (cccp.o, cpplib.o): use unlibsubdir implicitly through
3885 gxx_include_dir, includedir and tooldir
3886 (protoize.o, unprotoize.o): ditto
3888 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
3890 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
3892 * config/arm/thumb.c (thumb_override_options): Add warning about
3893 PIC code not being supported just yet.
3895 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
3897 * flow.c: Update comment.
3898 (notice_stack_pointer_modification): New static function.
3899 (record_volatile_insns): Use it.
3900 (mark_regs_live_at_end): Mark the stack pointer as alive
3901 at the end of the function if current_function_sp_is_unchanging
3903 (life_analysis_1): Set current_function_sp_is_unchanging.
3904 * function.c: Define it.
3905 (init_function_start): Initialize it.
3906 * output.h: Declare it.
3907 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
3908 the stack pointer as alive at the end of the function if
3909 current_function_sp_is_unchanging is set.
3910 * i386.c (ix86_epilogue): Optimize the restoring
3911 of the stack pointer.
3913 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
3915 * version.c: Bump for snapshot.
3917 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
3919 * c-pragma.c (handle_pragma_token): If passed a token instead
3920 of a tree, use that as the pack value.
3922 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
3924 * flow.c (find_basic_blocks_1): Fix prototype.
3926 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
3928 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
3929 (struct tree_decl): New fields no_check_memory_usage.
3930 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
3931 (init_attributes): Register it as a new attribute.
3932 (decl_attributes): Set flags on functions given that attribute.
3933 * c-decl.c (duplicate_decls): Merge new attribute.
3934 * expr.h (current_function_check_memory_usage): Declare new var.
3935 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
3936 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
3937 current_function_check_memory_usage.
3938 * function.h: Add field to struct function.
3939 * function.c (current_function_check_memory_usage): Define it.
3940 (push_function_context_to, pop_function_context_from): Save and
3942 (expand_function_start): Set it, based on global flag and function
3945 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
3946 check non-automatic variables, to permit detection of writes to
3947 read-only locations in embedded systems without memory management.
3948 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
3949 when emitting chkr_set_right_libfunc call, even if the argument is
3950 BLKmode or variable-sized; don't abort.
3952 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
3953 symbols in Pmode, not VOIDmode.
3955 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3957 * cppexp.c: When forcing unsigned comparisons, cast both sides
3960 * cpphash.h: Move static declaration of hashtab[]...
3961 * cpphash.c: ...here.
3963 * cpplib.c: Cast difference of two pointers to size_t before
3964 comparing it to size_t. Cast signed to unsigned
3965 before comparing to size_t. (FIXME: struct argdata should use
3966 unsigned buffer sizes.)
3967 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
3968 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
3969 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
3970 size_t before comparison.
3972 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
3974 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
3975 (find_basic_blocks_1): Similarly.
3976 * output.h (find_basic_blocks): Fix prototype.
3977 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
3978 find_basic_blocks anymore.
3980 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
3982 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
3983 (sbitmap_free, sbitmap_vector_free): New macros.
3984 * output.h (rtl_dump_file): Declare.
3986 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
3988 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
3990 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3992 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
3994 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
3995 (divide): Remove unused variable `tmp'.
3996 (si_to_float): Cast numeric constant to (SItype) before comparing
3999 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4001 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4002 * gcc.c (add_preprocessor_option): Correct typo when allocating
4003 memory, sizeof() argument had one too many `*'.
4004 (add_assembler_option): Likewise.
4005 (add_linker_option): Likewise.
4006 * gcov.c (output_data): Likewise.
4007 * local-alloc.c (memref_used_between_p): Likewise.
4008 (update_equiv_regs): Likewise.
4009 * loop.c (strength_reduce): Likewise.
4010 * reg-stack.c (record_asm_reg_life): Likewise.
4011 (subst_asm_stack_reg): Likewise.
4012 * reorg.c (dbr_schedule): Likewise.
4014 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4016 * flow.c (life_analysis_1): Break out some functions.
4017 (find_basic_blocks_1): Likewise. Also move some variables out and
4019 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4020 new static var nonlocal_label_list with it.
4021 (active_eh_region, nested_eh_region, label_value_list,
4022 nonlocal_label_list): New static variables.
4023 (make_edges, delete_unreachable_blocks, delete_block): New static
4024 functions, broken out of find_basic_blocks_1.
4025 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4026 noop_move_p): New static functions, broken out of life_analysis_1.
4028 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4030 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4031 Take extra care for op0 now possibly being a subreg.
4032 (extract_bit_field): Likewise.
4033 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4034 the reg to memory if there is no equal sized integral mode.
4035 * stor-layout.c (int_mode_for_mode): New function.
4036 * machmode.h: Prototype it.
4038 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4040 * global.c (build_insn_chain): Verify no real insns exist past the
4041 end of the last basic block, then exit the loop.
4043 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4045 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4047 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4049 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4051 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4053 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4055 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4057 * flow.c (find_basic_blocks): Correctly determine when a call
4058 is within an exception region.
4060 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4062 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4064 * cpplib.h: Protect from multiple inclusions.
4065 * cpplib.c: Fix minor formatting problems.
4067 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4069 * jump.c (jump_optimize): Revert accidental patch.
4071 * Makefile.in (cpplib.o): Use unlibsubdir.
4073 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4075 * loop.c (get_condition): Allow combine when either compare is
4078 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4080 * version.c: Bump for snapshot.
4082 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4084 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4085 (init_lex): Initialize ridpointers[RID_BYREF].
4086 * c-lex.h (enum rid): Add RID_BYREF.
4087 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4088 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4089 (encode_type_qualifiers): Similarly
4090 * c-gperf.h: Rebuilt.
4092 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4094 * c-common.c (type_for_mode): Only return TItype nodes when
4095 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4096 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4097 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4098 (init_decl_processing): Only create TItype nodes when
4099 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4100 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4101 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4103 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4105 * stmt.c (n_occurrences): New static function.
4106 (expand_asm_operands): Verify that all constrains match in the
4107 number of alternatives.
4108 Verify that '+' or '=' are at the beginning of an output constraint.
4109 Don't allow '&' for input operands.
4110 Verify that '%' isn't written for the last operand.
4111 * reload.c (find_reloads): Abort if an asm is found with invalid
4112 constraints; all possible problems ought to be checked for earlier.
4114 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4116 * flags.h (flag_branch_on_count_reg): Always declare
4117 * toplev.c (flag_branch_on_count_reg): Likewise.
4118 * toplev.c: Fix typos.
4120 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4123 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4125 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4127 (find_basic_blocks_1): Add a nop to the end of a basic block when
4128 a trailing call insn does not have abnormal control flow.
4129 * gcse.c (pre_transpout): New variable.
4130 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4131 (compute_pre_transpout): Calculate it.
4132 (compute_pre_ppinout): Use it to eliminate impossible placements
4133 due to abnormal control flow through calls.
4134 (compute_pre_data): Call compute_pre_transpout.
4136 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4138 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4140 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4142 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4143 and matching define_insns): Tack on a `use' of the table label, so
4144 flow analysis will recognize a tablejump.
4146 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4148 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4149 always end basic blocks for abnormal edge reasons.
4151 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4153 * config/i386/i386.h: Remove definition of
4154 HANDLE_PRAGMA_PACK_PUSH_POP.
4156 * config/i386/go32.h: Add definition of
4157 HANDLE_PRAGMA_PACK_PUSH_POP.
4159 * config/i386/win32.h: Add definition of
4160 HANDLE_PRAGMA_PACK_PUSH_POP.
4162 * config/i386/cygwin32.h: Add definition of
4163 HANDLE_PRAGMA_PACK_PUSH_POP.
4165 * c-pragma.c (insert_pack_attributes): Do not insert
4166 attributes unless #pragma pack(push,<n>) is in effect.
4168 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4170 * expr.c (emit_group_store): Handle a PARALLEL destination.
4172 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4174 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4175 the new insns before the argument regs are loaded.
4177 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4179 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4180 (c-parse.gperf): Update comments describing invocation flags.
4181 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4183 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4185 * reload1.c (reload): Call free before clobbering the memory
4186 locations or constants pointers.
4188 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4190 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4191 for efficiency by checking whether we need to modify the current
4192 stack permission at all.
4193 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4194 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4195 __enable_execute_stack libcall here too if
4196 TRANSFER_FROM_TRAMPOLINE is defined.
4197 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4200 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4202 * Makefile.in (DRIVER_DEFINES): Remove last change.
4204 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4206 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4207 insns we're going to copy.
4208 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4210 * loop.c (count_one_set): Add prototype.
4212 * caller-save.c (restore_referenced_regs): Lose mode argument.
4213 (insert_save): Lose mode argument.
4214 (insert_restore): Lose mode argument.
4215 (insert_one_insn): Lose mode argument.
4216 (save_call_clobbered_regs): Lose mode argument.
4217 (setup_save_areas): Take no argument and return void. All callers
4219 Don't verify validity of memory addresses.
4220 * reload.h (setup_save_ares): Adjust prototype.
4221 (save_call_clobbered_regs): Likewise.
4222 * reload1.c (delete_caller_save_insns): New function.
4223 (caller_save_spill_class): Delete variable.
4224 (caller_save_group_size): Delete variable.
4225 (reload): Call setup_save_areas and save_call_clobbered_regs
4226 in the main loop, before calling calculate_needs_all_insns.
4227 Don't call save_call_clobbered_regs after the loop.
4228 Call delete_caller_save_insns at the end of an iteration if
4230 Delete code to manage caller_save_spill_class.
4231 Emit the final note before setting reload_first_uid.
4232 Simplify test that determines whether reload_as_needed gets run.
4233 (calculate_needs): Delete code to manage caller_save_spill_class.
4235 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4237 * collect2.c (main): Initialize ld_file_name.
4239 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4241 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4242 check for flag_function_sections.
4244 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4246 * cse.c (insert_regs): Fix bug in Sep 24 change.
4248 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4250 * flags.h (flag_dump_unnumbered): Declare.
4251 * toplev.c (flag_dump_unnumbered): Don't declare.
4252 * print-rtl.c (flags.h): Include.
4253 (print_rtl_single): Add return value.
4254 * rtl.h (print_rtl_single): Update declaration.
4255 * flow.c (flag_dump_unnumbered): Don't declare.
4256 (print_rtl_with_bb): Use return value of print_rtl_single.
4258 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4260 * loop.c (count_one_set): New static function, broken out of
4262 (count_loop_regs_set): Call it.
4263 * global.c (mark_reg_store): Handle clobbers here by not calling
4265 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4266 is in fact a clobber.
4267 * integrate.c (process_reg_param): New function, broken out of
4268 expand_inline_function.
4269 (expand_inline_function): Call it.
4272 * i386.md (addsidi3_1): Delete unused variable temp.
4273 (addsidi3_2): Likewise.
4274 (clstrstrsi): Delete unused variable addr1.
4276 * rtl.h: Don't declare any functions also declared in recog.h.
4278 * Makefile.in (stupid.o): Update dependencies.
4279 (global.o): Likewise.
4281 * global.c: Include reload.h
4282 (reg_becomes_live): New function.
4283 (reg_dies): New function.
4284 (build_insn_chain): New function.
4285 (global_alloc): Call build_insn_chain before calling reload.
4287 * reload.h (struct needs): New structure definition.
4288 (struct insn_chain): Likewise.
4289 (reload_insn_chain): Declare variable.
4290 (new_insn_chain): Declare function.
4293 * reload1.c (reload_startobj): New variable.
4294 (reload_insn_chain): New variable.
4295 (unused_insn_chains): New variable.
4296 (new_insn_chain): New function.
4297 (init_reload): Initialize reload_startobj, not reload_firstobj.
4298 (reload): Initialize reload_firstobj.
4299 Before returning, free everything on the reload_obstack.
4301 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4302 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4303 current_chain): New variables.
4304 (reg_where_born): Delete variable.
4305 (REG_WHERE_BORN): New macro.
4306 (find_clobbered_regs): New function.
4307 (stupid_life_analysis): Don't allocate/free reg_where_born.
4308 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4309 reg_where_dead_chain.
4310 Use REG_WHERE_BORN instead of reg_where_born.
4311 While processing the insns, build the reload_insn_chain with
4312 information about register lifetimes.
4313 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4314 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4316 Compute and information about birth and death of pseudo registers in
4317 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4318 Delete code to set elements of reg_where_born.
4320 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4322 * tree.def (GOTO_EXPR): Modified documentation.
4323 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4326 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4328 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4329 loop_final_value, loop_comparison_code): No longer static.
4330 (unroll_loop): Delete loop_start_value update.
4331 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4332 loop_final_value, loop_comparison_code): Extern.
4333 (loop_start_value): Delete extern.
4334 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4335 loop_comparison_value, loop_comparison_code): Delete.
4336 (loop_optimize): Remove initialization for deleted variables.
4337 (strength_reduce): Delete analyze_loop_iterations call. Only call
4338 insert_bct if flag_branch_count_on_reg set.
4339 (analyze_loop_iterations): Delete.
4340 (insert_bct): Remove iteration count calculation. Move checks for
4341 viable BCT optimization to here. Obtain iteration count from
4342 loop_iterations and correct for unrolling. Check for enough
4343 iteration to be beneficial. Comment out runtime iteration count
4345 (insert_bct): Print iteration count in dump file. Remove
4346 loop_var_mode and use word_mode directly.
4348 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4349 * rs6000.c (rs6000_override_options): Use it.
4350 (optimization_options): Enable use of flag_branch_on_count_reg.
4351 * rs6000.md (define_function_unit): Describe 604e.
4353 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4355 * loop.c (move_movables): Corrected threshold calculation for
4356 moved_once registers.
4358 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4360 * loop.c (combine_givs_p): Fix test for identical givs.
4362 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4364 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4365 call abort if the function is already defined.
4367 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4369 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4370 truncation is not a no-op.
4372 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4374 * version.c: Bump for snapshot.
4376 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4378 * version.c: Bump for snapshot.
4380 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4382 * expmed.c (expand_divmod): Don't widen for computing remainder
4383 if we seem to have a divmod pattern for needed mode.
4385 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4387 * cpplib.c (macroexpand): Correct off-by-one error in handling
4390 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4392 * combine.c (expand_field_assignment): Don't do bitwise operations
4393 on MODE_FLOAT; pun to MODE_INT if possible.
4395 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4396 scott snyder <snyder@d0sgif.fnal.gov>
4398 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4399 linker. Recognize mangled names in quotes.
4401 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4403 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4404 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4405 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4406 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4408 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4410 * function.c (purge_addressof_1): If trying to take a sub-word
4411 integral piece of a floating point mode, put it on the stack.
4413 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4415 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4417 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4419 * PROJECTS: Remove template friends.
4421 * collect2.c (sort_ids): Remove unused variable.
4423 * tm.texi (MATH_LIBRARY): Document.
4424 (NEED_MATH_LIBRARY): Remove.
4426 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4427 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4429 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4431 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4432 last_end to 0x7fffffff.
4434 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4436 * function.c (purge_addressof_1): Do not perform endianness
4437 corrections on bitpos, who we call will do it for us.
4439 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4441 * h8300.c (WORD_REG_USED): Fix typo.
4442 (initial_offset): Use WORD_REG_USED.
4444 * h8300.c (handle_pragma): Fix typo.
4446 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4448 * caller-save.c (insert_save_restore): Break this function up
4449 into new functions insert_restore, insert_save and insert_one_insn.
4450 All callers changed.
4451 (insert_restore): New function, mostly broken out of
4452 insert_save_restore.
4453 (insert_save): Likewise.
4454 (insert_one_insn): Likewise.
4455 (restore_referenced_regs): New argument BLOCK. All callers changed.
4456 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4457 in this function, do it in insert_one_insn instead.
4459 * reload1.c (reload): Break out some more pieces into separate
4461 (dump_needs): New function, broken out of reload.
4462 (set_initial_elim_offsets): Likewise.
4463 (init_elim_table): Likewise.
4464 (update_eliminables): Likewise.
4466 * global.c (global_alloc): Delete code to manage the scratch_list.
4467 * local-alloc.c (qty_scratch_rtx): Delete.
4468 (scratch_block): Delete.
4469 (scratch_list): Delete.
4470 (scratch_list_length): Delete.
4471 (scratch_index): Delete.
4472 (alloc_qty_for_scratch): Delete.
4473 (local-alloc): Update initialization of max_qty.
4474 Delete code to manage the scratch list.
4475 Delete code to allocate/initialize qty_scratch_rtx.
4476 (block_alloc): Don't allocate quantities for scratches.
4477 Delete code to manage the scratch list.
4478 * regs.h (scratch_list): Delete declaration.
4479 (scratch_block): Delete declaration.
4480 (scratch_list_length): Delete declaration.
4481 * reload1.c (reload): Delete code to manage the scratch list.
4482 (spill_hard_reg): Likewise.
4483 (mark_scratch_live): Delete.
4485 * recog.c (alter_subreg): Delete declaration.
4487 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4489 * Makefile.in (cccp.o): Fix typo in last patch.
4491 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4493 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4494 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4496 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4498 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4499 NULL_RTX as an argument.
4501 * Makefile.in (unlibsubdir): Define.
4502 (DRIVER_DEFINES): Use unlibsubdir.
4503 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4504 (stmp-fixinc): Similarly.
4506 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4508 * regmove.c (regmove_optimize): Add variable old_max_uid.
4509 At the end of the function, update basic_block_end.
4511 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4513 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4514 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4517 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4519 * config/arm/arm.c: Improve interworking support.
4521 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4523 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4524 copied from reload_out[r] .
4526 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4528 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4529 with more than three size ranges.
4531 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4533 * rtl.c (mode_name): Add a null string at the end of the array.
4534 (mode_wider_mode): Change type to unsigned char.
4535 (mode_mask_array): New variable.
4536 (init_rtl): Update for mode_wider_mode type change.
4538 * rtl.h (mode_wider_mode): Change type to unsigned char.
4539 (mode_mask_array): Declare.
4540 (GET_MODE_MASK): Use mode_mask_array.
4542 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4544 * calls.c (expand_call) : Encapsulate code into
4545 copy_blkmode_from_reg.
4546 * expr.c (copy_blkmode_from_reg): New function.
4547 * expr.h (copy_blkmode_from_reg): New function.
4548 * integrate.c (function_cannot_inline_p): We can inline
4550 (expand_inline_function): Use copy_blkmode_from_reg
4551 if needed. Avoid creating BLKmode REGs.
4552 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4555 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4557 * config/v850/v850.c: Add function prototypes.
4558 Add support for v850 special data areas.
4560 * config/v850/v850.h: Add support for v850 special data areas.
4562 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4563 HANDLE_PRAGMA_PACK_PUSH_POP.
4564 (push_alignment): New function: Cache an alignment requested
4565 by a #pragma pack(push,<n>).
4566 (pop_alignment): New function: Pop an alignment from the
4568 (insert_pack_attributes): New function: Generate __packed__
4569 and __aligned__ attributes for new decls whilst a #pragma pack
4571 (add_weak): New function: Cache a #pragma weak directive.
4572 (handle_pragma_token): Document calling conventions. Add
4573 support for #pragma pack(push,<n>) and #pragma pack (pop).
4575 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4576 are defined enable HANDLE_PRAGMA_PACK.
4577 Move 'struct weak_syms' here (from varasm.c).
4578 Add pragma states for push and pop pragmas.
4580 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4583 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4584 HANDLE_GENERIC_PRAGMAS.
4586 * varasm.c: Move definition of 'struct weak_syms' into
4588 (handle_pragma_weak): Deleted.
4590 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4592 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4594 * c-decl.c (start_function): Add invocation of
4595 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4597 * tm.texi: Remove description of non-existant macro
4598 SET_DEFAULT_SECTION_NAME.
4600 (HANDLE_SYSV_PRAGMA): Document.
4601 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4603 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4605 * config.sub: Recognize i[34567]86-pc-udk as new target.
4606 * configure.in: Likewise.
4607 * config/i386/t-udk: New file.
4608 * config/i386/udk.h: New file.
4610 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4612 * reorg.c (check_annul_list_true_false): Remove unused variables.
4613 (steal_delay_list_from_target): Add missing "used_annul" variable.
4614 (try_merge_delay_insns): Close out half formed comment.
4616 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4618 * cpplib.c (macroexpand): If arg->raw_before or
4619 arg->raw_after, remove any no-reexpansion escape at the
4620 beginning of the pasted token. Correct handling of whitespace
4621 markers and no-reexpand markers at the end if arg->raw_after.
4623 * toplev.c (documented_lang_options): Recognize -include,
4624 -imacros, -iwithprefix, -iwithprefixbefore.
4625 * cpplib.c (cpp_start_read): Process -imacros and -include
4626 switches at the same time and in command-line order, after
4627 initializing the dependency-output code. Emit properly nested
4628 #line directives for them. Emit a #line for the main file
4629 before processing these switches, and don't do it again
4632 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4634 * function.c (purge_addressof_1): Use bitfield manipulation
4635 routines to handle mem mode < reg mode.
4637 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4639 * reorg.c (try_merge_delay_insns): Account for resources referenced
4640 in each instruction in INSN's delay list before trying to eliminate
4641 useless instructions. Similarly when looking at a trial insn's delay
4644 * reorg.c (check_annul_list_true_false): New function.
4645 (steal_delay_list_from_{target,fallthrough}): Call it and also
4646 refine tests for when we may annul if already filled a slot.
4647 (fill_slots_from_thread): Likewise.
4648 (delete_from_delay_slot): Return newly-created thread.
4649 (try_merge_delay_isns): Use its new return value.
4651 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4653 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4654 used to compute a giv or as some other non-counting use.
4656 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4658 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4659 * local-alloc.c (find_free_reg): Use it.
4660 * global.c (find_reg): Likewise.
4661 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4663 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4664 * caller-save.c (init_caller_save): Use it.
4665 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4667 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4669 * configure.in: Add --enable-cpplib option which uses cpplib
4670 for cpp, but doesn't link cpplib into cc1. Make help text
4671 capitalization consistent.
4672 * configure: Rebuilt.
4674 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4676 * function.c (gen_mem_addressof): If the address REG is
4677 REG_USERVAR_P make the new REG be so also.
4678 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4679 in an attempt to clarify slightly.
4681 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4683 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4684 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4686 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4688 * toplev.c: Fix last patch.
4690 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4692 * loop.c (get_condition): Fix typo in May 9 change.
4694 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4696 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4698 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4700 * toplev.c (documented_lang_options): Spelling corrections.
4702 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4704 * configure.in: new flags --with-ld and --with-as, equivalent
4705 to setting LD and AS environment variables. Test whether
4706 specified arguments are GNU commands, and report them with
4707 checking messages. Use the specified AS for configure
4710 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4712 * gcc.c (find_a_file): when looking for `as' and `ld', return
4713 the DEFAULT program if it exists
4714 * collect2.c (main): use DEFAULT_LINKER if it exists
4716 * gcc.c (find_a_file): the test for existence of a full
4717 pathname was reversed
4719 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4721 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4722 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4724 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4726 * tree.h (TYPE_BINFO): Document.
4728 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4730 * i386-coff.h (dbxcoff.h): Added.
4732 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4734 * toplev.c: fix bad patch around flag_data_sections.
4736 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4738 * reload1.c (reload): Use reload_address_index_reg_class and
4739 reload_address_base_reg_class when setting
4740 caller_save_spill_class. (Patch generated by Jim Wilson:
4743 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4745 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4746 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4747 * expr.c (store_field): Add alias_set parameter. Set the
4748 MEM_ALIAS_SET accordingly, if the target is a MEM.
4749 (expand_assignment): Use it.
4750 (store_constructor_field): Pass 0.
4751 (expand_expr): Likewise.
4753 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4755 * flags.h: Add flag_data_sections.
4756 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4757 (compile_file): Error if flag_data_sections not supported.
4758 * varasm.c (assemble_variable): Handle flag_data_sections.
4759 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4760 * config/mips/elf.h: Likewise.
4761 * config/mips/elf64.h: Likewise.
4762 * invoke.texi: Describe -fdata-sections.
4764 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4766 * invoke.texi (-ffloat-store): Clarify that this option
4767 does not affect intermediate results -- only variables.
4769 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4771 * cpp.texi: Update for Fortran usage from Craig.
4773 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4775 * rs6000.c (function_arg_boundary): Revert accidental change on
4778 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4780 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4781 (output_mi_thunk): Declare.
4783 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4784 (output_function_profiler): Use r12 for temp, instead of r11 so
4785 that we preserve the static chain register.
4787 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4789 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4791 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4793 * sh.c (gen_shl_sext): Fix case 5.
4795 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4797 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4799 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4801 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4802 accessing variables until they are initialized via va_arg().
4804 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4806 * reload1.c (reload_combine): Initialize set before using.
4808 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4810 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4813 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4815 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4816 operand3 with mask before using it. Patch provided by Jim Wilson.
4818 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4820 * config/sparc/sparc.c (function_value): Perform the equivalent of
4821 PROMOTE_MODE for ARCH64.
4822 (eligible_for_epilogue_delay): Allow DImode operations in delay
4823 slot of a return for ARCH64.
4825 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4827 * sh.md (sqrtsf2): Fix mode of sqrt.
4829 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4831 * reload1.c (choose_reload_regs): Also try inheritance when
4832 reload_in is a stack slot of a pseudo, even if we already got a
4835 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4837 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
4838 (reload_cse_regs): New function body: call reload_cse_regs_1,
4839 reload_combine, reload_cse_move2add.
4840 When doing expensive_optimizations, call reload_cse_regs_1 a
4841 second time after reload_cse_move2add.
4842 (reload_combine, reload_combine_note_store): New functions.
4843 (reload_combine_note_use): New function.
4844 (reload_cse_move2add, move2add_note_store): New functions.
4846 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4848 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
4849 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
4851 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
4852 more than 3 such reloads.
4854 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
4855 RELOAD_FOR_X_ADDR_ADDR reload.
4857 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4859 * expr.c (store_constructor): When initializing a field that is smaller
4860 than a word, at the start of a word, try to widen it to a full word.
4862 * cse.c (cse_insn): When we are about to change a register,
4863 remove any invalid references to it.
4865 (remove_invalid_subreg_refs): New function.
4866 (mention_regs): Special treatment for SUBREGs.
4867 (insert_regs): Don't strip SUBREG for call to mention_regs.
4868 Check if reg_tick needs to be bumped up before that call.
4869 (lookup_as_function): Try to match known word_mode constants when
4870 looking for a norrower constant.
4871 (canon_hash): Special treatment for SUBREGs.
4873 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4875 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
4876 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
4877 defined, emit libcall to __enable_execute_stack. Also fix opcodes
4878 and offsets in actual stack trampoline code so they match the
4879 commentary and actually work.
4881 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4883 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
4885 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
4886 tmake_file. Set extra_parts to needed crt objects.
4887 * configure: Rebuilt.
4888 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
4889 (TARGET_DEFAULT): Set if default is v9 or ultra.
4890 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
4891 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
4892 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
4893 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4894 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
4895 (TARGET_VERSION): Define.
4896 (MULTILIB_DEFAULT): Define.
4897 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
4898 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
4899 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
4901 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
4902 * config/sparc/sparc.c (sparc_override_options): If arch and
4903 pointer size disagree, emit diagnostic and fix it up. If
4904 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
4905 V8PLUS in 64-bit mode.
4906 * config/sparc/t-linux64: New file.
4907 * config/sparc/t-sol2-64: New file.
4908 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
4909 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
4910 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
4911 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
4912 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
4913 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
4915 (STARTFILE_SPEC): Set approriately based upon those.
4916 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
4917 disposition of DEFAULT_ARCH32_P.
4918 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
4919 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
4920 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
4921 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
4922 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
4924 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
4926 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
4928 * rtl.h (init_virtual_regs): New function.
4929 * emit-rtl.c (init_virtual_regs): Define.
4930 (insn_emit): Use it.
4931 * integrate.c (save_for_inline_copying): Likewise.
4933 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
4935 * config/arm/thumb.h: The following patches were made by Jim Wilson:
4936 (enum reg_class): Add NONARG_LO_REGS support.
4937 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4938 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
4939 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
4940 completes. Re-enable HImode REG+OFFSET addresses.
4941 (LEGITIMIZE_RELOAD_ADDRESS): Define.
4943 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
4945 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
4947 * alpha.c (get_aligned_mem): Revert Sep 20 change.
4948 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
4949 (alpha_align_insns): Properly calculate initial offset wrt max_align.
4951 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
4953 * arm.c (find_barrier): Revert change of Apr 23. Handle table
4954 jumps as a single entity, taking into account the size of the
4957 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4959 * tree.def (SWITCH_EXPR): New tree node definition.
4961 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
4963 * version.c: Bump for snapshot.
4965 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
4967 * version.c: Bump for snapshot.
4969 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
4971 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
4974 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
4976 * Revert this patch.
4977 * reload.c (find_reloads): Do not replace a pseudo with
4978 (MEM (reg_equiv_addr)) in the initializing insn for the
4981 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
4983 * final.c (final_scan_insn): Disable tracking CC across branches.
4985 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4987 * expr.h (eh_rtime_match_libfunc): New extern declaration.
4988 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
4989 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
4990 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
4991 NULL. Only include <stdio.h> if inhibit_libc is not defined.
4993 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
4995 * toplev.c (rest_of_compilation): Skip compiling anything with
4996 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
4998 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5000 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5001 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5002 use in_libcall_block.
5003 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5004 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5007 Mon Sep 21 14:02:23 1998
5009 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5010 typo in no-fancy-math-387 description.
5012 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5014 * version.c: Bump for snapshot.
5016 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5018 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5020 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5022 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5023 documented in install.texi.
5024 (TARGET_OPTIONS) Likewise.
5026 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5028 * version.c: Bump for snapshot.
5030 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5032 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5033 * cccp.c (main): Likewise.
5035 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5036 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5039 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5041 * Makefile.in (LIBS): Link in libiberty.a.
5042 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5044 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5046 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5047 it to update bb boundaries. Update caller.
5048 * function.c (reposition_prologue_and_epilogue_notes): Update
5049 bb boundaries wrt the moved note.
5051 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5053 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5055 * configure: Regenerate.
5057 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5059 * alpha.c (alpha_sr_alias_set): New variable.
5060 (override_options): Set it.
5061 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5062 (mode_mask_operand): Fix signed-unsigned comparision warning.
5063 (alpha_expand_block_move): Likewise.
5064 (print_operand): Likewise.
5065 (get_aligned_mem): Use change_address.
5066 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5067 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5068 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5069 (alpha_align_insns): Remade from old alphaev5_align_insns
5070 to handle multiple processors.
5071 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5072 * output.h (label_to_alignment): Prototype.
5074 * tree.c (new_alias_set): New function.
5075 * tree.h (new_alias_set): Declare it.
5076 * c-common.c (c_get_alias_set): Use it.
5078 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5080 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5081 to an ABS expr, convert an unsigned input to signed.
5083 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5085 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5087 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5089 * configure.in: Add support for c4x targets.
5090 * configure: Rebuilt.
5092 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5094 * combine.c (distribute_notes): If an insn is a cc0 user, only
5095 delete it if we can also delete the cc0 setter.
5097 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5099 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5100 (invert_truthvalue): Enable truthvalue inversion for
5101 floating-point operands if -ffast-math.
5103 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5105 * configure.in: Disable collect2 for nextstep. Instead use
5107 * configure: Rebuilt.
5108 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5109 (ENDFILE_SPEC): Define.
5110 (OBJECT_FORMAT_MACHO): Define.
5111 (EH_FRAME_SECTION_ASM_OP): Define.
5112 * crtstuff.c: Handle MACHO.
5114 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5116 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5118 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5120 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5121 (_fpadd_parts): Get sign right for 0.
5123 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5125 * ginclude/varargs.h: Add support for C4x target.
5126 * ginclude/stdargs.h: Likewise.
5128 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5130 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5131 (alpha_emit_set_long_const): Rewrite to be callable from reload
5133 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5134 * alpha.md (movdi): Likewise.
5136 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5138 * arm.c (add_constant): New parameter address_only, change caller.
5139 Set it non-zero if taking the address of an item in the pool.
5140 (arm_reorg): Handle cases where we need the address of an item in
5143 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5145 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5146 memory addresses that are not in standard canonical form.
5148 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5150 * README.C4X: New file with information about the c4x ports.
5151 * ginclude/va-c4x.h: New file for c4x varargs support.
5152 * config/c4x: New directory with c4x port files.
5154 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5156 * reload.c (find_reloads): Do not replace a pseudo with
5157 (MEM (reg_equiv_addr)) in the initializing insn for the
5160 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5162 * toplev.c (rest_of_compilation): Set bct_p on second call to
5164 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5166 (strength_reduce): Only call analyze_loop_iterations and
5167 insert_bct if bct_p set.
5168 (check_dbra_loop): Fix typo.
5169 (insert_bct): Use word_mode instead of SImode.
5170 (instrument_loop_bct): Likewise. Do not delete iteration count
5171 condition code generation insn. Initialize iteration count before
5173 * rtl.h (loop_optimize): Update prototype.
5175 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5176 not doubleword aligned.
5178 * rs6000.c (optimization_options): New function.
5179 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5180 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5181 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5182 first; cr1 can be used for FP record condition insns.
5184 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5186 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5189 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5192 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5194 (block_move_call): New function: Call a library routine to copy a
5196 (m32r_expand_block_move): New function: Expand a "movstrsi"
5197 pattern into a sequence of insns.
5198 (m32r_output_block_move): New function: Expand a
5199 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5200 (m32r_block_immediate_operand): New function: Return true if the
5201 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5203 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5205 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5207 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5209 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5211 * regmove.c (copy_src_to_dest): Check that modes match.
5213 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5215 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5217 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5219 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5220 narrower than FLOAT_REGS.
5222 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5224 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5226 * Makefile.in (old_gxx_include_dir): removed
5228 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5230 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5233 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5234 (sh_handle_pragma): Change function arguments to match new
5235 specification for HANDLE_PRAGMA.
5237 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5239 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5241 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5242 When generating output, initialize missing struct member to zero.
5244 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5246 * regmove.c (copy_src_to_dest): Don't copy if that requires
5247 (a) new register(s).
5249 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5251 * global.c (reg_allocno): Now static.
5252 * reload1.c (reg_allocno): Delete declaration.
5253 (order_regs_for_reload): Take no arguments. Don't treat regs
5254 allocated by global differently than those allocated by local-alloc.
5256 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5258 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5259 condition, fix format strings.
5260 (output_function_epilogue): Likewise.
5262 * m68k/m68k.c: Don't include <stdlib.h> directly.
5264 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5266 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5267 mem_first_set, mem_last_set; because 0 can be a CUID.
5268 (oprs_unchanged_p): Use new definition.
5269 (record_last_reg_set_info): Likewise.
5270 (record_last_mem_set_info): Likewise.
5271 (compute_hash_table): Likewise.
5273 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5275 * rs6000.c (output_epilogue): Handle Chill.
5277 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5278 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5280 * combine.c (make_extraction): If no mode is specified for
5281 an operand of insv, extv, or extzv, default it to word_mode.
5282 (simplify_comparison): Similarly.
5283 * expmed.c (store_bit_field): Similarly.
5284 (extract_bit_field): Similarly.
5285 * function.c (fixup_var_regs_1): Similarly.
5286 * recog.c (validate_replace_rtx_1): Similarly.
5287 * mips.md (extv, extzv, insv expanders): Default modes for most
5288 operands. Handle TARGET_64BIT.
5289 (movdi_uld, movdi_usd): New patterns.
5291 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5292 equivalent memory location unless we have been provided a scratch
5293 register. Similarly do not call find_replacement unless a
5294 scratch register has been provided.
5296 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5298 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5301 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5303 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5304 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5305 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5306 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5307 * c-decl.c (init_decl_processing): Update accordingly.
5308 * expr.c (expand_builtin): Likewise.
5310 * rtl.h (global_rtl): Add cfa entry.
5311 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5312 (LAST_VIRTUAL_REGISTER): Update.
5313 * emit-rtl.c (global_rtl): Add cfa entry.
5314 (init_emit): Initialize it.
5315 * function.c (cfa_offset): New.
5316 (instantiate_virtual_regs): Initialize it.
5317 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5318 (expand_function_end): Call expand_eh_return.
5319 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5321 * except.c (current_function_eh_stub_label): Kill.
5322 (current_function_eh_old_stub_label): Likwise; update all references.
5323 (expand_builtin_set_return_addr_reg): Kill.
5324 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5325 (expand_builtin_set_eh_regs): Kill.
5326 (eh_regs): Produce a third reg for the actual handler address.
5327 (eh_return_context, eh_return_stack_adjust): New.
5328 (eh_return_handler, eh_return_stub_label): New.
5329 (init_eh_for_function): Initialize them.
5330 (expand_builtin_eh_return, expand_eh_return): New.
5331 * except.h: Update prototypes.
5332 * flow.c (find_basic_blocks_1): Update references to the stub label.
5333 * function.h (struct function): Kill stub label elements.
5335 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5336 register number is one that would be in the previous window.
5337 Provide a dummy definition for non-windowed targets.
5338 (get_reg_addr): New function.
5339 (get_reg, put_reg, copy_reg): Use it.
5340 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5341 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5343 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5344 (alpha_init_expanders): Initialize it.
5345 (alpha_expand_epilogue): Use it.
5346 * alpha.h: Declare it.
5347 * alpha.md (eh_epilogue): New.
5349 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5350 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5352 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5354 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5357 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5359 * except.h (struct eh_entry): Add false_label field.
5360 (end_catch_handler): Add prototype.
5361 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5362 (start_catch_handler): When using old style exceptions, issue
5363 runtime typematch code before continuing with the handler.
5364 (end_catch_handler): New function, generates label after handler
5365 if needed by older style exceptions.
5366 (expand_start_all_catch): No need to check for new style exceptions.
5367 (output_exception_table_entry): Only output the first handler label
5368 for old style exceptions.
5369 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5370 mechanism into one function, if a runtime matcher is provided.
5372 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5374 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5376 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5378 * integrate.c (copy_decl_list): Fix typo.
5380 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5382 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5385 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5387 * version.c: Bump for snapshot.
5389 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5391 * version.c: Bump for snapshot.
5393 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5395 * version.c: Bump for snapshot.
5397 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5399 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5401 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5403 * configure.in: remove usage of `!' to negate the result of a
5404 command; some common shells do not support it
5406 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5408 * configure.in: in sparc9-sol2 config, use 'if test' not
5410 * configure: Rebuilt.
5412 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5414 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5415 (CPP_CPU_DEFAULT_SPEC): Likewise.
5416 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5417 for arch64 libfuncs.
5419 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5422 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5424 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5426 * collect2.c: Don't declare `sys_siglist' here.
5427 (my_strsignal): Prototype and define new function. Use it in
5428 place of `sys_siglist' hacks.
5430 * mips_tfile.c: Likewise.
5432 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5433 (GCC_NEED_DECLARATIONS): Likewise.
5435 * system.h (strsignal): Prototype it, if necessary.
5436 (sys_siglist): Declare it, if necessary.
5438 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5440 * loop.c (move_movables): While removing insn sequences, preserve
5441 the next pointer of the most recently deleted insn when we skip
5444 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5446 * objc/config-lang.in: Do not output the name of the selected
5447 thread file when building the front-end. The Makefile for the
5448 runtime library will do this.
5450 * objc/Make-lang.in: Do not build the runtime library or install
5451 the Objective C header files. The Makefile for the runtime
5452 library will do this.
5454 * objc/Makefile.in (all.indirect): Only build the front-end.
5455 (compiler): Rename to `frontend'.
5456 (obj-runtime): Remove target.
5457 (copy-headers): Likewise.
5458 (clean): No need to remove `libobjc.a' any longer.
5460 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5462 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5463 supported with -mcpu=xxx.
5465 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5467 * flow.c (mark_set_1): Recognize multi-register structure return
5468 values in CALL insns.
5469 (mark_used_regs): Likewise.
5470 (count_reg_sets_1): Likewise.
5471 (count_reg_references): Likewise.
5472 * rtlanal.c (note_stores): Likewise.
5473 (reg_overlap_mentioned_p): Likewise.
5474 * haifa-sched.c (check_live_1): Likewise.
5475 (update_live_1): Likewise.
5476 (sched_analyze_1): Likewise.
5477 (sched_note_set): Likewise.
5478 (birthing_insn_p): Likewise.
5479 (attach_deaths): Likewise.
5481 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5484 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5486 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5488 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5490 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5492 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5494 * configure.in: Add check for GAS subsection -1 support.
5495 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5496 * configure config.in: Rebuilt.
5497 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5498 SImode is subsection -1 works, else use DImode.
5499 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5500 subsection -1 works.
5501 * config/sparc/sparc.c (sparc_output_addr_vec,
5502 sparc_output_addr_diff_vec): Use them if defined.
5504 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5506 * tree.h (DECL_ORIGIN): New macro.
5507 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5508 (copy_decl_list): Use it.
5509 (integrate_parm_decls): Likewise.
5510 (integrate_decl_tree): Likewise.
5511 * dwarf2out.c (decl_ultimate_origin): Simplify.
5512 * dwarfout.c (decl_ultimate_origin): Likewise.
5513 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5514 (pushdecl): Likewise.
5516 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5518 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5520 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5522 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5524 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5526 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5527 empty or has a single entry.
5529 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5530 before calling reg_to_stack.
5532 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5534 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5535 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5537 * c-tree.h (warn_long_long): Declare it.
5539 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5541 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5542 initialized float-int union if the value is a NaN.
5544 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5546 * c-lex.c (real_yylex): Don't warn about long long constants if
5547 we're allowing long long
5549 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5551 * except.h (current_function_eh_stub_label): Declare.
5552 (current_function_eh_old_stub_label): Declare.
5553 * function.h (struct function): New members eh_stub_label and
5555 * except.c (current_function_eh_stub_label): New variable.
5556 (current_function_eh_old_stub_label): New variable.
5557 (init_eh_for_function): Clear them.
5558 (save_eh_status): Save them.
5559 (restore_eh_status): Restore them.
5560 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5561 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5562 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5563 make an edge from the block that contains it to the block starting
5564 with the label if this label is one of the eh stub labels.
5565 If eh stub labels exist, show they are reachable from the last block
5568 * reload1.c (reload): Break out several subroutines and make some
5570 (calculate_needs_all_insns): New function, broken out of reload.
5571 (calculate_needs): Likewise.
5572 (find_reload_regs): Likewise.
5573 (find_group): Likewise.
5574 (find_tworeg_group): Likewise.
5575 (something_needs_reloads): New global variable, formerly in reload.
5576 (something_needs_elimination): Likewise.
5577 (caller_save_spill_class): Likewise.
5578 (caller_save_group_size): Likewise.
5579 (max_needs): Likewise.
5580 (group_size): Likewise.
5581 (max_groups): Likewise.
5582 (max_nongroups): Likewise.
5583 (group_mode): Likewise.
5584 (max_needs_insn): Likewise.
5585 (max_groups_insn): Likewise.
5586 (max_nongroups_insn): Likewise.
5587 (failure): Likewise.
5589 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5591 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5593 * loop.c (load_mems): Copy rtx for output mem.
5595 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5597 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5598 mips1 or mips2 either.
5600 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5602 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5604 (pa_adjust_insn_length): Update to work with new marking scheme
5605 for jumps inside switch tables.
5606 * pa.md (switch_jump): Remove pattern.
5607 (jump): Handle jumps inside jump tables.
5609 * Makefile.in (profile.o): Depend on insn-config.h
5611 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5613 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5615 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5617 Add preliminary native sparcv9 Solaris support.
5618 * configure.in: Recognize sparv9-*-solaris2*
5619 * configure: rebuilt
5620 * config.sub: Recognize sparcv9 just like sparc64.
5621 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5622 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5623 32-bit and 64-bit Solaris systems.
5624 * config/sparc/t-sol2: Assemble those with cpp.
5625 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5626 (*TF*_LIBCALL): If ARCH64 use V9 names.
5627 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5629 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5631 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5632 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5634 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5636 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5637 to Pmode if CASE_VECTOR_MODE is something else.
5639 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5641 * prefix.c (update_path): Correctly handle cases where PATH is
5642 a substring of the builtin prefix, but specifies a different
5645 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5647 * expr.c: Corrected comment about what MOVE_RATIO does.
5648 * config/alpha/alpha.h: Ditto.
5649 * config/1750a/1750a.h: Ditto.
5650 * config/clipper/clipper.h: Ditto.
5651 * config/i386/i386.h: Ditto.
5653 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5655 * configure.in (m68k-next-nextstep3*): Use collect2.
5656 Similarly for x86 NeXT configurations.
5657 * configure: Rebuilt.
5659 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5661 * configure.in: Don't assume srcdir is .../gcc
5662 * configure: Rebuilt.
5664 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5666 * global.c: Update comments.
5667 (global_alloc): Assign allocation-numbers
5668 even for registers allocated by local_alloc in case
5669 they are later spilled and retry_global_alloc is called.
5670 (mark_reg_store, mark_reg_clobber,
5671 mark_reg_conflicts, mark_reg_death): Always record a
5672 conflict with a pseudo register even if it has been
5673 assigned to a hard register.
5674 (dump_conflicts): Don't list pseudo registers already assigned to
5675 a hard register as needing to be allocated, but do list their
5677 * local-alloc.c: Update comment.
5679 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5681 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5682 * configure: Rebuilt.
5684 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5686 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5688 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5689 for all targets that set -msoft-float.
5691 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5693 * toplev.c (print_switch_values): Make static to match prototype.
5695 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5697 * configure.in: If we are unable to find the "gnatbind" program,
5698 then do not configure the ada subdir.
5699 * configure: Rebuilt.
5701 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5703 * version.c: Bump for snapshot.
5705 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5707 * version.c: Bump for snapshot.
5709 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5711 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5712 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5714 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5716 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5718 * genextract.c: Have insn-extract.c include toplev.h.
5720 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5722 * toplev.c: Include expr.h.
5723 (really_sorry, fancy_abort): Remove prototypes.
5724 (set_target_switch): Add argument in prototype.
5725 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5726 (v_really_sorry): Likewise.
5727 (print_version, print_single_switch, print_switch_values): Make
5728 static and add prototype arguments.
5729 (decl_printable_name): Add prototype arguments.
5730 (lang_expand_expr_t): New typedef.
5731 (lang_expand_expr): Declare as a lang_expand_expr_t.
5732 (incomplete_decl_finalize_hook): Add prototype argument.
5733 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5734 (botch): Likewise for variable `s'.
5735 (rest_of_type_compilation): Mark variables `type' and `toplev'
5736 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5737 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5738 (display_help): Make variable `i' an `unsigned long'.
5739 (main): Remove unused parameter `envp'.
5740 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5741 Cast -1 when comparing it with a `size_t'.
5743 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5744 prototype with ATTRIBUTE_NORETURN.
5745 (fatal_insn_not_found, fatal_insn, really_sorry,
5746 push_float_handler, pop_float_handler): Add prototypes.
5747 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5748 (do_abort, botch): Add prototypes.
5750 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5752 * final.c (final): If a label is reached only from a single jump,
5753 call NOTICE_UPDATE_CC on the jump and its predecessor before
5754 emitting the insn after the label.
5756 * i386.h: Add AMD K6 support.
5757 Change TARGET_* macros to use table lookup.
5758 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5759 (ADJUST_COST): Change definition to call function in i386.c.
5760 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5761 * i386.c: Add AMD K6 support.
5762 Add constants for feature tests used by TARGET_* macros.
5763 (split_di): If before reload, call gen_lowpart and gen_highpart.
5764 (x86_adjust_cost): New function.
5765 (put_jump_code): New function.
5766 (print_operand): New codes 'D' and 'd'.
5767 * i386.md: New insn types. New insn attribute "memory".
5768 Redefine scheduling parameters to use new types and add AMD K6
5769 support. Explicitly set type of most insns.
5770 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5771 Pro and K6 prefer movl $1,reg to incl reg.
5772 (adddi3, subdi3): Set cc_status.
5773 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5774 to int; x86 can't have more than 2^31 DImode shifts per file.
5775 (setcc): Combine all setcc patterns. Allow writing memory.
5776 Combine all jump patterns using match_operator.
5777 (*bzero): Name pattern. Emit mutliple stos instructions when that
5778 is faster than rep stos.
5779 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5782 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5784 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5787 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5789 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5790 not whatever we're generating now.
5792 * alpha.c (set_frame_related_p, FRP): New.
5793 (alpha_expand_prologue): Mark frame related insns.
5794 (alpha_expand_epilogue): Likewise, but with a null FRP.
5795 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5796 * alpha.md (exception_receiver): New.
5797 * alpha/crtbegin.asm (.eh_frame): New beginning.
5798 (__do_frame_setup, __do_frame_takedown): New.
5799 * alpha/crtend.asm (.eh_frame): New ending.
5800 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5801 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5802 (ASM_FILE_START): Don't emit .file for dwarf2.
5804 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5805 * rtl.c (reg_note_name): Likewise.
5806 * rtl.texi (REG_NOTES): Likewise.
5807 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5810 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5812 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5813 * i386.md (movsf, movdf, movxf): Validate memory address returned
5814 from force_const_mem. Kill useless REG_EQUAL setting code.
5816 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5818 * m68k.md (zero_extendsidi2): Fix typo.
5820 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5822 * configure.in: Removed references to the removed file
5823 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
5824 * arm*-*-netbsd* and ns32k-*-netbsd*.
5825 * config/i386/xm-netbsd.h: Removed unnecessary file.
5826 * config/m68k/xm-netbsd.h: Likewise.
5827 * config/sparc/xm-netbsd.h: Likewise.
5828 * config/mips/xm-netbsd.h: Likewise.
5830 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
5832 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
5833 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
5835 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
5836 for exact section attributions.
5838 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
5840 * i386/crtdll.h (CPP_PREDEFINES): Define.
5842 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
5844 * m68k.md (5200 movqi): Do not allow byte sized memory references
5846 * m68k.c (output_move_qimode): Do not use byte sized operations on
5849 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
5850 explicit rules for building. Similarly for alloca, vfprintf,
5851 choose-temp and mkstemp, getopt, getopt1, and obstack.
5852 (INCLUDES): Add $(srcdir)/../include.
5853 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
5854 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
5856 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
5858 * gcc.c (do_spec_1): [case 'o'] Account for
5859 lang_specific_extra_outfiles.
5860 (main): Correctly clear all slots in outfiles for
5861 lang_specific_extra_outfiles. Set input_file_number before
5862 calling lang_specific_pre_link.
5864 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
5866 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
5868 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5870 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
5872 (sparc_output_deferred_case_vectors): If no work to do, return.
5873 Fix thinko in Sept 1 change.
5875 1998-09-03 SL Baur <steve@altair.xemacs.org>
5877 * Makefile.in: add semicolon in BISON definition for portability.
5879 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5881 * config/nextstep.c (handle_pragma): Correct name of third
5884 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
5886 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
5887 * config/m32r/m32r.h: Make register 17 be fixed.
5888 * config/m32r/m32r.c: Use SImode for cc operations.
5890 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
5892 * invoke.texi (Warning Options): Add -Wnon-template-friend
5895 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
5897 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
5899 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
5901 * rs6000.md (movsf): Disable explicit secondary-reload-like
5902 functionality if TARGET_POWERPC64.
5903 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
5906 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
5908 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
5909 and term.h from fixinc.wrap.
5911 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5913 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
5914 safe to include both string.h and strings.h together.
5915 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
5916 which headers to search for function declarations. Continue to
5917 prefer string.h over strings.h when both are not acceptable.
5919 * acconfig.h (STRING_WITH_STRINGS): Add stub.
5921 * configure.in: Call GCC_HEADER_STRING.
5923 * system.h: Test STRING_WITH_STRINGS when deciding which headers
5924 to include. Continue to prefer string.h over strings.h when both
5927 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5929 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
5930 not assume top 32-bits of symbolic addresses are zero if
5933 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
5935 * ginclude/va-alpha.h: Protect entire second portion of the
5936 file against double inclusion.
5938 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
5940 Added support for the Boehm's garbage collector.
5941 * configure.in: Handle --enable-objc-gc.
5942 * configure: Rebuilt.
5943 * Makefile.in (CHECK_TARGETS): Add check-objc.
5944 (check-objc): New rule.
5945 * objc/Make-lang.in: Build a different Objective-C library that
5946 runs with the Boehm's collector.
5947 * objc/encoding.c (objc_round_acc_size_for_types): New function.
5948 * objc/encoding.c: Correctly compute the size of compound types in
5949 the presence of bitfields. Skip the variable name of the type if
5950 any. Added support for long long.
5951 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
5952 (_F_GCINVISIBLE): New mask.
5953 * objc/gc.c: New file. Compute the type memory mask associated with
5954 a class based on the runtime information.
5955 * objc/misc.c: Added the hooks that use the Boehm's collector
5956 allocation functions.
5957 * objc/objc-act.c (build_class_template): Generate a new class
5958 member (gc_object_type) to hold the class' type memory mask.
5959 (build_shared_structure_initializer): Initialize the new member to
5961 (encode_complete_bitfield): New function. Generate the new
5963 (encode_field_decl): Generate the new encoding only for the GNU
5965 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
5967 (class_get_gc_object_type): New function to mark a pointer instance
5968 variable as a weak pointer.
5969 * objc/objc-features.texi: New file.
5970 * objc/objc.h (gc_object_type): New class member.
5971 * objc/objects.c (class_create_instance): Create a typed memory
5972 object when compiled with Boehm's collector support.
5973 * objc/sendmsg.c (__objc_init_install_dtable): Call
5974 __objc_send_initialize instead of setting the initialize flag.
5975 (__objc_send_initialize): Call __objc_generate_gc_type_description
5976 to generate the class type memory mask. Rewrite the code that
5977 sends the +initialize so that it is called only once (bug report
5978 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
5979 * testsuite/objc: New testsuite for Objective-C type encoding.
5980 * testsuite/lib/objc-torture.exp: New file.
5981 * testsuite/lib/objc.exp: New file.
5983 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
5985 * jump.c (jump_optimize): In if/then/else transformations, add
5986 another call to modified_between_p for the jump insn.
5988 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
5990 * fix-header.c (symlink): Treat like readlink.
5992 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5994 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
5997 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
5999 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6000 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6001 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6003 * config/nextstep.c (handle_pragma): Take three arguments, as per
6004 the new HANDLE_PRAGMA macro specification.
6005 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6006 per the new HANDLE_PRAGMA macro specification.
6007 * config/i960/i960.c (process_pragma): Take three arguments, as
6008 per the new HANDLE_PRAGMA macro specification.
6010 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6012 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6013 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6014 if unknown pragmas are encountered.
6015 (handle_sysv_pragma): Interpret return code from
6016 handle_pragma_token (). Return success/failure indication rather
6017 than next unprocessed character.
6018 (pragma_getc): New function: retrieves characters from the
6019 input stream. Defined when HANDLE_PRAGMA is enabled.
6020 (pragma_ungetc): New function: replaces characters back into the
6021 input stream. Defined when HANDLE_PRAGMA is enabled.
6023 * c-pragma.c (handle_pragma_token): Return success/failure status
6026 * c-pragma.h: Change prototype of handle_pragma_token().
6028 * varasm.c: (handle_pragma_weak): Only create this function if
6029 HANDLE_PRAGMA_WEAK is defined.
6031 * c-common,c (decl_attributes): If defined call the expression
6032 contained within the INSERT_ATTRIBUTES macro before adding
6033 attributes to a decl.
6035 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6036 HANDLE_PRAGMA, which takes three arguments.
6037 (INSERT_ATTRIBUTES): Document this new macro.
6039 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6040 new INSERT_ATTRIBUTES macro.
6042 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6044 * config/sparc/sparc.md (movdf): Only generate special RTL for
6045 LABEL_REFs when PIC.
6046 (move_label_di): Remove
6047 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6048 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6049 references when PIC.
6050 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6051 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6052 output an .xword for all 64-bit cases.
6054 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6056 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6057 alignment, use FUNCTION_BOUNDARY instead.
6058 (sparc_output_deferred_case_vectors): Likewise.
6060 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6062 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6063 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6065 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6067 * alpha/va_list.h: New file.
6068 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6070 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6072 * NEWS: Add SCO Openserver and Unixware 7 notes.
6076 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6078 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6079 (record_constant_1): Handle RANGE_EXPR.
6081 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6083 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6084 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6085 and NOTE_INSN_RANGE_END specially.
6086 (reemit_notes): Likewise.
6088 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6090 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6091 (ultrasparc_sched_init): Remove unneeded &.
6093 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6095 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6096 for m68020-60, to prevent the use of fintrz.
6098 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6100 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6102 * Makefile.in: Likewise.
6103 * configure: Regenerated.
6105 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6107 * configure.in (gxx_include_dir): Changed to
6108 '${prefix}/include/g++'-${libstdcxx_interface}.
6109 * configure: Rebuilt.
6111 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6113 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6115 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6116 *sequences* *below* which scalar moves will be used.
6118 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6120 * collect2.c (mktemp): Delete unused declaration.
6122 * config/xm-netbsd.h: Remove unnecessary file.
6123 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6124 file anymore, it is not needed.
6126 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6128 * convert.c (convert_to_integer): Issue an error on conversions to
6131 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6133 * Makefile.in: Add lang_tree_files and gencheck.h.
6134 * configure.in: Generate them.
6135 * gencheck.c: Include gencheck.h.
6137 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6139 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6140 movdi_lo_sum_pic and movdi_high_pic and make visible.
6141 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6142 emit these when Pmode is not SImode.
6143 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6145 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6147 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6148 .linkonce directive after the first time.
6150 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6152 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6153 the clobbered operand overlaps with an input.
6154 (bne0_di): Similarly.
6156 * Makefile.in (INSTALL): Remove "--no-header" argument.
6158 * NEWS: Various updates.
6160 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6162 * config/sparc/sparc.c (arith_operand, const64_operand,
6163 const64_high_operand, arith_double_4096_operand): Mark mode as
6165 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6167 (sparc_emit_set_const64): Remove unused variable i.
6168 (sparc_splitdi_legitimate): Likewise for addr_part.
6169 (ultra_code_from_mask): Likewise for mask.
6170 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6171 reverse return values so it matches usage and comments.
6172 (ultra_flush_pipeline): Likewise.
6173 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6174 this_type, and allow loads and stores of differing FP modes as
6175 they do not create a conflict.
6176 (ultra_find_type): Initialize fpmode to SFmode, fix
6177 parenthesization thinkos in large conditional.
6178 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6179 Init free_slot_mask after ultra_cur_hist is reset, not before.
6180 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6181 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6182 use ultra_flush_pipeline instead, then re-init group pointer.
6183 Fix statement with no effect. If no progress made in, and no
6184 instructions scheduled at all, advance to new pipeline cycle else
6185 we get into an endless loop.
6186 (ultrasparc_adjust_cost): Remove previous arg.
6187 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6189 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6191 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6192 code. Use reg_overlap_mentioned_p to detect when source and
6193 destination overlap.
6194 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6196 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6198 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6199 COMPARISON_VAL, into invariant_p.
6201 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6203 * regmove.c (regclass_compatible_p): New function.
6204 (regmove_optimize): Use it.
6206 Use NREGS parameter insted of calling max_reg_num.
6208 (fixup_match_1): Don't use code = MINUS when later tieing with
6209 a hard register is likely.
6211 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6213 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6214 COMPARISON_VAL was normalized.
6216 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6218 * loop.c (check_dbra_loop): The loop ending comparison value
6219 must be an invariant or we can not reverse the loop.
6221 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6222 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6224 (load_mems_and_recount_loop_regs_set): Likewise.
6226 * i386.c (print_operand): Remove obsolete 'c' docs.
6228 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6230 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6231 * frame.c (init_object_mutex): New function.
6232 (init_object_mutex_once): Likewise.
6233 (find_fde): Call it.
6234 (__register_frame_info): Likewise.
6235 (__register_frame_info_table): Likewise.
6236 (__deregister_frame_info): Likewise.
6238 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6240 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6242 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6244 * loop.c (check_dbra_loop): Enable code for reversal
6245 of some loops without a known constant loop end.
6247 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6249 * haifa-sched.c (last_clock_var): New.
6250 (schedule_block): Initialize it.
6251 (schedule_insn): Use it to fill insn modes with issue information.
6253 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6254 Tag trapb and next insn with TImode.
6255 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6256 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6257 Invoke alphaev5_align_insns as appropriate.
6258 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6259 (MD_SCHED_VARIABLE_ISSUE): New.
6260 * alpha.md (attr type): Add multi.
6261 (define_asm_attributes): New.
6262 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6263 (arg_home): Likewise.
6264 (fnop, unop, realign): New.
6266 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6268 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6269 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6271 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6272 (rs6000-ibm-aix4.[12]*): Likewise.
6273 * configure: Regnerate.
6275 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6277 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6278 already contains the return address.
6280 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6282 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6283 word sized hunks when loading unaligned args into registers.
6285 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6286 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6288 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6290 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6292 * loop.c (check_dbra_loop): Add some code that would allow reversal
6293 of some loops without a known constant loop end if it were enabled.
6295 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6297 * mips.md (lshrsi3_internal2+2): Fix type-o.
6299 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6301 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6302 correctly with regards to stdio.h.
6304 * calls.c: Remove stdarg.h/varargs.h.
6307 * combine.c: Likewise.
6308 * cpperror.c: Likewise.
6309 * cpplib.c: Likewise.
6310 * cpplib.h: Likewise.
6311 * doprint.c: Likewise.
6312 * emit-rtl.c: Likewise.
6313 * final.c: Likewise.
6314 * fix-header.c: Likewise.
6316 * genattr.c: Likewise.
6317 * genattrtab.c: Likewise.
6318 * gencodes.c: Likewise.
6319 * genconfig.c: Likewise.
6320 * genemit.c: Likewise.
6321 * genextract.c: Likewise.
6322 * genflags.c: Likewise.
6323 * genopinit.c: Likewise.
6324 * genoutput.c: Likewise.
6325 * genpeep.c: Likewise.
6326 * genrecog.c: Likewise.
6327 * mips-tfile.c: Likewise.
6328 * prefix.c: Likewise.
6329 * protoize.c: Likewise.
6330 * regmove.c: Likewise.
6331 * toplev.c: Likewise.
6334 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6336 * config/sparc/sparc.c (sparc_override_options): If not
6337 TARGET_FPU, turn off TARGET_VIS.
6338 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6339 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6340 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6341 (movdi_insn_sp64): Add VIS fzero alternative.
6342 (clear_sf, clear_df): New VIS patterns.
6343 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6345 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6347 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6349 * loop.c (n_times_set, n_times_used, may_not_optimize,
6350 reg_single_usage): Convert to varrays. All uses changed.
6351 (insert_loop_mem): Return a value.
6352 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6353 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6356 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6359 * configure.in: Do not set thread_file to "irix" since no such
6362 * sparc.md (float abs/neg splits): Check reload_completed before
6363 calling alter_subreg.
6365 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6367 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6369 * config/sparc/sparc.h: Declare it.
6370 * config/sparc/sparc.md (float abs/neg splits): Use it.
6371 (all other splits): Handle SUBREGs properly where necessary.
6372 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6374 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6376 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6377 an insn on the unfilled_slots_list that has no delay slots.
6378 (fill_eager_delay_slots): Similarly.
6380 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6382 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6383 as an ordinary operand.
6385 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6387 * tree.c (valid_machine_attribute): Don't apply attributes to both
6390 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6392 * reload.c (operands_match_p): Handle rtvecs.
6394 * i386.c (legitimate_pic_address_disp_p): New.
6395 (legitimate_address_p): Use it.
6396 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6397 Handle constant pool symbols just like statics.
6398 (emit_pic_move): Use Pmode not SImode for clarity.
6399 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6400 [UNSPEC]: New, handling what we killed above.
6401 [PLUS]: Detect and abort on invalid symbol arithmetic.
6402 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6404 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6406 * alias.c: Include output.h.
6407 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6408 different if we're in a varargs function.
6409 * Makefile.in (alias.o): Depend on output.h
6411 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6413 * sh.h (GIV_SORT_CRITERION): Delete.
6415 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6417 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6418 * stupid.c (stupid_life_analysis): Ditto.
6419 * reload1.c (reload): Ditto.
6421 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6423 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6424 arith_double_4096_operand, arith_double_add_operand): New
6426 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6427 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6428 them to transform add/sub 4096 into add/sub -4096.
6430 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6432 * loop.c (scan_loop): Allocate some slop to handle pseudos
6433 generated by move_movables.
6434 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6437 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6439 * tree.def (DECL_RESULT): Correct documentation.
6441 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6443 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6444 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6445 conflicts will all RELOAD_FOR_OUTPUT reloads.
6447 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6448 loads the function result, substitute with a USE.
6450 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6452 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6453 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6454 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6455 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6456 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6457 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6459 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6460 'o' to 'm' for GPR variant constraints.
6462 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6464 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6466 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6468 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6469 when the source and destination overlap.
6471 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6472 clash with global type.
6474 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6476 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6478 * c-common.c (combine_strings): Also set TREE_READONLY.
6479 Change warn_write_strings to flag_const_strings.
6480 * c-decl.c, c-tree.h: Likewise.
6482 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6484 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6485 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6486 sequence, use SET/IOR instead so CSE can see it.
6487 * config/sparc/sparc.md (movhi_const64_special,
6488 movsi_const64_special): New patterns necessitated by that change.
6489 (movhi_high): Remove.
6490 (movhi_lo_sum): Change to match an IOR.
6491 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6492 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6493 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6494 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6495 registers are involved.
6496 (snesi_zero_extend split): Remove reload_completed test.
6497 (unnamed plus and minus zero_extend sidi splits): Add it.
6499 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6501 * extend.texi: Remove description of extension to explicit
6502 instantiation that is now endorsed by standard C++.
6504 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6506 * config/arc/arc.c (arc_initialize_pic): Remove.
6507 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6508 nothing on any platform and is invoked by no-one, it does not even
6509 appear in the documentation.
6510 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6511 * config/sparc/sparc.c (initialize_pic): Likewise.
6512 (find_addr_reg): Remove this as well, no longer referenced after
6515 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6517 * recog.c (validate_replace_rtx_group): New function.
6518 * recog.h (validate_replace_rtx_group): Declare it.
6519 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6520 the entire group of substitutions.
6522 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6524 * loop.c (load_mems): Fix initializers.
6526 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6528 * config/sparc/sparc.md (TFmode splits): Handle destination
6529 registers being referenced in the address correctly.
6531 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6532 TREE_UNSIGNED, when bitsize of type's mode is larger than
6533 HOST_BITS_PER_WIDE_INT.
6535 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6537 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6538 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6539 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6541 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6544 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6546 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6547 * h8300.h (TINY_DATA_NAME_P): Likewise.
6548 (STRIP_NAME_ENCODING): Handle '&'.
6550 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6551 register (it could be accessed via an outer SUBREG).
6552 (REG_OK_FOR_BASE_P): Likewwise.
6553 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6555 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6558 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6560 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6562 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6563 must be offsettable so the splits can be made.
6565 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6567 * config/i386/winnt.c: Include system.h, not stdio.h to get
6568 sys/param.h pulled in before rtl.h in case the system defines MIN
6571 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6573 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6575 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6577 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6579 * cpplib.c (cpp_define): Handle macros with parameters.
6581 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6583 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6584 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6585 and DImode 64-bit. Use llong for minimal-toc SFmode and
6586 SYMBOL_REF / LABEL_REF 64-bit.
6587 (output_function_profiler): Use llong for profiler label and ld to
6588 load 64-bit label address.
6590 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6592 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6595 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6597 * version.c: Bump for snapshot.
6599 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6601 * version.c: Bump for snapshot.
6603 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6605 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6607 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6609 * tm.texi (Misc): Fix typo "teh".
6611 * tm.texi (PIC): Fix typo "PPIC".
6613 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6614 effect when -O2 and higher.
6615 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6617 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6619 * regclass.c: Changed register set documentation to be consistent
6622 * final.c (final_start_function) Removed redundant test for
6625 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6627 * rtl.h (rtx_function): New type.
6628 (for_each_rtx): New function.
6629 * rtlanal.c (for_each_rtx): Define it.
6631 * recog.c (change_t): New type.
6632 (change_objects, change_old_codes, change_locs, change_olds):
6634 (changes): New variable.
6635 (validate_change): Dynamically allocate room for more changes, if
6636 necessary. Uses changes array instead of change_objects, etc.
6637 (apply_change_group): Use changes array instead of
6638 change_objects, etc.
6640 * loop.c (loop_mem_info): New type.
6641 (loop_mems): New variable.
6642 (loop_mems_idx): Likewise.
6643 (looop_mems_allocated): Likewise.
6644 (scan_loop): Remove nregs parameter.
6645 (next_insn_in_loop): New function.
6646 (load_mems_and_recount_loop_regs_set): Likewise.
6647 (load_mems): Likewise.
6648 (insert_loop_mem): Likewise.
6649 (replace_loop_mem): Likewise.
6650 (replace_label): Likewise.
6651 (INSN_IN_RANGE_P): New macro.
6652 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6653 (scan_loop): Remove nregs parameter, compute it after any new
6654 registers are created by load_mems. Use INSN_IN_RANGE_P and
6655 next_insn_in_loop rather than expanding them inline. Call
6656 load_mems to load memory into pseudos, if appropriate.
6657 (prescan_loop): Figure out whether or not there are jumps from the
6658 loop to targets other than the label immediately following the
6659 loop. Call insert_loop_mem to notice all the MEMs used in the
6660 loop, if it could be safe to pull MEMs into REGs for the duration
6662 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6664 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6666 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6668 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6670 * config/sparc/sparc.c (finalize_pic): Check for the correct
6671 nonlocal_goto_receiver UNSPEC number.
6672 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6673 making note of this dependency existing in sparc.c
6674 (negtf2_notv9 split): Give NEG SFmode.
6675 (negsf2): Fix insn output string.
6677 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6679 * c-common.c (decl_attributes): Issue an error if the argument
6680 to alias is not a string.
6682 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6684 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6685 pending memory flush list.
6687 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6689 (try_combine): Allow combining insns with REG_LIBCALL notes.
6691 * expr.c (emit_block_move): Do not call memcpy as a libcall
6692 instead build up a CALL_EXPR and call it like any other
6694 (clear_storage): Similarly for memset.
6696 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6699 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6702 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6703 and REG_LIVE_LENGTH as successful substitutions are made.
6705 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6707 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6708 statement after end of loop label.
6710 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6712 * config/sparc/sparc.c (ultra_types_avail): New variable.
6713 (ultra_build_types_avail): New function to record mask of insn
6714 types in ready list at this cycle.
6715 (ultrasparc_sched_reorder): Call it.
6716 (ultra_find_type): Use it to quicken the search. Also simplif
6717 dependency check, don't use rtx_equal_p because we know exactly
6718 what we are looking for.
6720 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6722 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6723 for architecture v4.
6725 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6727 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6729 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6730 movdf_const_intreg and helper splits): New patterns to move float
6731 constants into integer registers.
6732 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6735 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6738 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6740 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6742 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6743 a BASE_REGS register is needed as an intermediate when copying
6744 a symbolic value into any register class other than BASE_REGS.
6746 * expr.c (move_by_pieces): No longer static. Remove prototype.
6747 * rtl.h (move_by_pieces): Add extern prototype.
6748 * mips.c (expand_block_move): Handle aligned straight line copy by
6749 calling move_by_pieces.
6751 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6754 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6756 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6757 jumps out of the loop to be treated as part of the exit test.
6759 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6760 Jeff Law <law@cygnus.com>
6762 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6763 * cplus-dem.c: Delete.
6765 * Makefile.in (fold-const.o): depend on $(RTL_H).
6767 * fold-const.c: Include rtl.h to get the prototype for
6768 `set_identifier_local_value'.
6770 * loop.c (express_from_1): Remove unused variable `tmp'.
6771 (combine_givs): cast the first argument of bzero to char *.
6773 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6775 * c-decl.c (init_decl_processing): Remove unneeded &.
6777 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6779 * except.c (set_exception_lang_code, set_exception_version_code):
6780 Change parameter from `short' to `int' to avoid using a gcc
6783 * except.h (set_exception_lang_code, set_exception_version_code):
6784 Likewise for prototypes.
6786 * flow.c (count_reg_references): Remove unused variables `regno'
6789 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6791 * prefix.c (translate_name): Cast the result of `alloca'.
6793 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6795 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6797 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6799 (valid_dbcc_comparison_p): Mark mode argument as unused.
6800 (symbolic_operand): Likewise.
6801 (legitimize_pic_address): Likewise.
6802 (const_uint32_operand): Likewise.
6803 (const_sint32_operand): Likewise.
6804 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6805 schedule_insns and comment out rest of file.
6807 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6809 (output_move_[hq]imode): Likewise.
6811 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6813 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6814 * invoke.texi: Corresponding changes.
6816 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6818 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6820 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6822 * config/sparc/sparc.c (ultra_code_from_mask,
6823 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
6824 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
6825 ultrasparc_sched_init, ultrasparc_variable_issue,
6826 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
6827 functions to describe UltraSPARC pipeline exactly to Haifa.
6828 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
6829 as there is nothing the scheduler can do about it. Indicate that
6830 REG_DEP_OUTPUT's collide. Fixup formatting.
6831 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
6832 divide costs on Ultra for DImode.
6833 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
6835 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
6836 ieuN and add call_no_delay_slot to type list.
6837 (cti function unit): New unit for branches on UltraSPARC.
6838 (subx/addx insns): Set type to misc.
6839 (sidi zero/sign extension insns on arch64): Set type to shift.
6840 (sign_extendhidi2_insn): Set type to sload.
6842 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
6844 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
6845 (output_epilog): Use if != 0 for offset.
6846 (rs6000_fatal_bad_address): Prepare for Intl.
6847 * rs6000.h (rs6000_fatal_bad_address): Declare.
6848 * rs6000.md (movsfcc, movdfcc): Use else if.
6849 (elf_high): Use {liu|lis}.
6850 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
6851 (movsi): Use rs6000_fatal_bad_address.
6853 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
6855 * reload.c (find_equiv_reg): Reject equivalences separated
6856 by a volatile instruction.
6858 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6860 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
6862 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
6864 * alpha.md (movsicc): Fix mode mismatch.
6866 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
6868 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
6870 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
6872 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6874 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
6875 write-only modifier from operand 1 constraint.
6877 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6879 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
6880 emitting a XOR of -1 at the end, emit a NOT instead for combine's
6882 (sparc_emit_set_const64): Likewise, also when computing trailing
6883 bits do not negate low_bits and make fast_int an int.
6885 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
6887 * loop.c (add_label_notes): Do not ignore references to labels
6888 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
6889 * gcse.c (add_label_notes): Similarly.
6891 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
6893 * m68k.md (adddi_dilshr32): One of the operands must be a register.
6894 (adddi_dishl32): Similarly.
6896 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
6898 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
6899 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
6900 * cse.c (cse_basic_block): Add parens to shut up warnings.
6902 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6904 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
6905 sparc_emit_set_const64_longway, const64_is_2insns,
6906 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
6907 in 64-bit constant formation.
6908 * config/sparc/sparc.md (snesi_zero_extend split): Generate
6909 rtl for addx not subx.
6910 (define_insn movdi_const64_special): Make available even when
6911 HOST_BITS_PER_WIDE_INT is not 64.
6912 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
6913 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
6914 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
6915 instances of operand 1 inside a QI subreg.
6916 (xordi3_sp64_dbl): Remove '%' constraint for op1.
6917 (one_cmpldi2_sp64): Fix output string.
6918 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
6920 (unnamed arch64 ashift DI): Truncate shift count if greater than
6923 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6925 * expr.c (store_expr): Don't optimize away load-store pair
6926 when either source or destination have a side effect.
6928 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
6930 * genrecog.c (add_to_sequence): Fatal error if the modes of the
6931 operands of SET are incompatible.
6933 * alpha.md: Fix max and min patterns so modes of SET operands match.
6935 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
6937 * configure.in: Avoid [[ by using test and changequote.
6938 * configure: Rebuild.
6940 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6942 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
6944 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
6945 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
6946 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
6947 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
6948 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
6949 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
6950 Fix mismatching modes in SET operands.
6951 (conditional move patterns): Fix formatting.
6952 (unnamed subx arch64 pattern): Remove duplicate insn.
6954 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6956 * config/sparc/sparc.c (const64_operand, const64_high_operand):
6957 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
6958 (input_operand): Fixup test for what we accept for constant
6960 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
6962 (safe_constDI): Remove.
6963 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
6964 gen_safe_XOR64): New functions.
6965 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
6966 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
6968 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
6969 available when HOST_BITS_PER_WIDE_INT is not 64.
6970 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
6971 move before movdi_insn_sp64 pattern.
6972 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
6973 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
6974 symbolic_operand as predicate for second operand.
6975 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
6976 expander): Give set VOIDmode.
6978 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
6980 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
6982 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
6984 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
6986 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
6988 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
6990 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
6992 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
6994 * install.texi: Various SCO OpenServer tweaks.
6996 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
6998 * reload1.c (eliminate_regs_in_insn): Handle another case when
6999 eliminating the frame pointer to the hard frame pointer. Add
7000 missing ep->to_rtx check to one existing case.
7002 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7004 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7006 * tree.h: De-conditionalize init_priority code.
7008 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7009 * collect2.c (NM_FLAGS): Change from -p to -n.
7011 * configure.in: Turn on collect2 for mipstx39-elf.
7012 Handle use_collect2=no properly.
7014 * c-common.c: De-conditionalize init_priority code.
7015 * collect2.c (extract_init_priority, sort_ids): New fns.
7016 (main): Call sort_ids.
7017 Move sequence_number to file scope.
7019 * configure.in: Handle --enable-init-priority.
7020 * c-common.c (attrs): Add A_INIT_PRIORITY.
7021 (init_attributes, decl_attributes): Likewise.
7022 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7023 * tree.c (get_file_function_name_long): Split out...
7024 (get_file_function_name): ...from here.
7026 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7028 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7031 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7033 * toplev.c (display_help): Add braces to shut up warnings.
7034 * tree.c (simple_cst_equal): Likewise.
7036 * fold-const.c (non_lvalue): Don't deal with null pointer
7038 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7040 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7041 of any size to a pointer.
7043 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7045 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7047 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7049 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7050 which will be saved.
7051 * mn10300.md (prologue insn): Only save registers which need saving.
7052 (epilogue insn): Similarly.
7054 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7057 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7059 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7060 VAR_DECL's in gp addressable sections.
7062 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7064 * sparc.c: Change return <exp> to <exp>; return; in functions
7066 * sparc.md: Add empty semicolon statement after final label in
7069 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7071 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7072 addx_extend_sp64, only allow when TARGET_ARCH64.
7073 (define_insn addx_extend_sp32 and split): Version that works when
7075 (define_insn subx_extend): Likewise.
7076 (define_split adddi3 and subdi3 with zero extension): Fixup and
7077 correct bugs when not TARGET_ARCH64.
7079 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7081 * except.c (set_exception_lang_code, set_exception_version_code):
7082 Use prototype-style definition if __STDC__, to match declaration
7085 * genemit.c: Change FAIL and DONE macros not to use loops.
7087 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7089 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7090 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7092 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7094 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7096 * README.g77: Update from Craig.
7098 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7100 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7102 (safe_constDI sparc_emit_set_const64_quick1,
7103 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7104 analyze_64bit_constant, const64_is_2insns,
7105 create_simple_focus_bits): Fix some bugs when compiled on real
7107 (function_arg_record_value_3, function_arg_record_value_2,
7108 function_arg_record_value): Add fully prototyped forward decls.
7109 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7110 to cmpsi_insn and use on both 64 and 32 bit targets.
7111 (define_insn cmpsi_insn_sp64): Remove.
7112 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7113 (define_insn zero_extendsidi2_insn): Rename to
7114 zero_extendsidi2_insn_sp64.
7115 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7116 assosciated forced split for it.
7118 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7120 * config/sparc/sparc.h: Declare them.
7121 (PREDICATE_CODES): Add them.
7122 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7123 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7125 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7127 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7128 in v9 case as the latter makes the Solaris assembler crash.
7130 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7132 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7133 for TFmode when !v9. We require offsettable memory addresses.
7134 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7135 DFmode register number conversions.
7136 * config/sparc/sparc.md (define_split DFmode moves): If register
7137 is a SUBREG do alter_subreg on it before using.
7138 (define_expand movtf): Fixup comment about alignment on v9.
7139 (define_split TFmode moves): Don't use gen_{high,low}part, create
7140 explicit SUBREGs instead.
7142 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7144 * Makefile.in (mbchar.o): Depend on mbchar.c.
7146 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7147 Richard Henderson <rth@cygnus.com>
7149 Rewrite Sparc backend for better code generation and
7150 improved sparc64 support.
7151 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7153 * config/sparc/sysv4.h: Likewise.
7154 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7155 move_operand, v8plus_regcmp_op, emit_move_sequence,
7156 singlemove_string, doublemove_string, mem_aligned_8,
7157 output_move_double, output_move_quad, output_fp_move_double,
7158 move_quad_direction, output_fp_move_quad, output_scc_insn):
7160 (small_int_or_double): New predicate.
7161 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7162 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7163 old pic_{sethi,lo_sum}_si patterns.
7164 (mem_min_alignment): New generic function to replace
7165 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7166 available and can test for arbitrary alignments. All callers
7168 (save_regs, restore_regs, build_big_number,
7169 output_function_prologue, output_cbranch, output_return,
7170 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7171 sparc_flat_output_function_epilogue): Prettify
7173 (output_function_epilogue): Likewise and add code to output
7174 deferred case vectors.
7175 (output_v9branch): Likewise, add new arg INSN and use it to tack
7176 on branch prediction settings. All callers changed.
7177 (print_operand): Likewise and output %l44 for LO_SUMs when
7179 (sparc_splitdi_legitimate): New function to make sure DImode
7180 splits can be run properly when !arch64.
7181 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7182 Reformat example code in comments.
7183 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7184 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7185 of deferred case vectors we need to output.
7186 (sparc_defer_case_vector): Record a case vector.
7187 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7188 sparc_output_deferred_case_vectors): New functions to output them.
7189 (sparc_emit_set_const32): New function to form 32-bit constants in
7190 registers when that requires more than one instruction.
7191 (safe_constDI, sparc_emit_set_const64_quick1,
7192 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7193 analyze_64bit_constant, const64_is_2insns,
7194 create_simple_focus_bits, sparc_emit_set_const64): New functions
7195 which do the same for 64-bit constants when arch64.
7196 (sparc_emit_set_symbolic_const64): New function to emit address
7197 loading for all code models on v9.
7198 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7199 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7200 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7201 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7202 inaccuracies in comments, add symbolic and text_segment operands
7203 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7204 GENERAL_REGS in these cases as a temp REG is needed to load these
7205 addresses into a register properly.
7206 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7208 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7209 quads are guarenteed to have 16-byte alignment.
7210 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7211 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7212 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7213 deferred case vector implementation.
7214 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7215 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7216 Generate "internal label - label" instead of "label - 1b".
7217 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7218 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7219 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7221 (doublemove_string, output_block_move, output_fp_move_double,
7222 output_fp_move_quad, output_move_double, output_move_quad,
7223 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7224 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7225 (sparc_emit_set_const32, sparc_emit_set_const64,
7226 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7227 mem_min_alignment, small_int_or_double): Add externs.
7228 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7229 UNSPEC_VOLATILE in this backend.
7230 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7231 unary to types which execute in it.
7232 (define_function_unit ieu_shift): Rename to ieu0.
7233 (define_function_unit ieu1): New, executes compare, call, and
7234 uncond_branch type insns.
7235 (define_function_units for type fdivs, fdivd, fsqrt): These
7236 execute in the fpu multiply unit not the adder on UltraSparc.
7237 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7238 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7239 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7240 allows the arith_double_operand predicate and rHI constraint when
7242 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7243 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7244 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7245 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7246 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7247 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7248 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7249 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7250 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7251 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7252 sign_extendqihi2_insn, sign_extendqisi2_insn,
7253 sign_extendqidi2_insn, sign_extendhidi2_insn,
7254 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7255 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7256 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7257 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7258 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7259 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7260 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7261 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7262 smulsi3_highpart_v8plus, unnamed subreg mult,
7263 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7264 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7265 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7266 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7267 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7268 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7269 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7270 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7271 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7272 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7273 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7274 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7275 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7276 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7277 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7278 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7279 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7280 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7281 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7282 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7283 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7284 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7285 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7286 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7287 call_address_untyped_struct_value_sp32,
7288 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7289 call_value_symbolic_sp32, call_value_address_sp64,
7290 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7291 flush_register_windows, goto_handler_and_restore,
7292 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7293 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7294 return_addsi, return_di, return_adddi, return_sf, all call+jump
7295 peepholes, trap, unnamed trap insns): Prettify output strings.
7296 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7297 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7298 Likewise and force + implement splits for integer cases.
7299 (define_insn return_sf_no_fpu): Likewise and allow to match when
7300 no-fpu because of our subreg SFmode splits.
7301 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7302 zero_extendqidi2_insn, zero_extendhidi2_insn,
7303 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7304 input_operand for second operand.
7305 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7306 reg_or_0_operand for operand 2 so new splits can use it.
7307 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7308 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7310 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7311 CONST_DOUBLEs for operand 2.
7312 (define_insn move_label_di): Likewise and label distance
7313 optimization because it no longer works with new deferred case
7314 vector scheme. To be revisited.
7315 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7316 and allow reg_or_0_operand and J constraint for second operand.
7317 (define_insn jump): Set branch predict taken on V9.
7318 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7319 new deferred case vector scheme.
7320 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7321 (define_insn negdi2_sp32): Force + implement splits.
7322 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7323 one_cmplsi2_not_liveg0 respectively, and create expander of original
7324 names which emit special rtl for TARGET_LIVE_G0.
7325 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7326 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7327 gen_compare_reg, FAIL instead.
7328 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7329 values when trying to reverse condition codes, if they FAIL then
7331 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7332 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7333 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7334 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7335 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7336 set output string to # to indicate they are mandatory splits.
7337 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7338 pic_sethi_di, move_pic_label_si): Remove.
7339 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7340 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7342 (define_expand movsi_pic_label_ref, define_insn
7343 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7344 expander and insns to handle PIC label references and deferred
7346 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7348 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7349 Rewrite to not use emit_move_sequence, make use of new constant
7350 formation code, and new splits for all multi-insn cases.
7351 (define_insn movqi_insn): Remove sethi case, it can never happen.
7352 Use reg_or_zero_operand instead of const0_rtx explicit test,
7353 use input_operand instead of move_operand for source, and use
7354 general_operand now for dest.
7355 (define_insn movhi_insn): Similar but leave sethi case.
7356 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7357 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7358 movhi_lo_sum respectively, prettify output string.
7359 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7360 register when needed on TARGET_LIVE_G0.
7361 (define_insn movsi_insn): Use general_operand and input_operand
7362 for dest and src respectively. Simplify applicability test.
7363 Prettify output strings, and add clr alternative for J
7365 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7366 deprecated std and reg-reg DI moves): Remove and...
7367 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7368 implementation which uses forced splits for all non-single insn
7370 (define_split DI move cases on !arch64): New splits to handle all
7371 situations of 64-bit double register DImode on 32bit, and
7372 unaligned registers and memory addresses for all subtargets.
7373 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7375 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7376 input_operand for dest and src respectively, prettify output
7378 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7379 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7381 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7382 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7383 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7384 movtf_no_e_insn_sp64) Replace with new
7385 implementation which uses forced splits for all non-single insn
7387 (define_split DF move cases): New splits in similar vein to DI
7389 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7390 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7391 movdi_sp64_insn): Remove old v9 code model and constant loading
7393 (define_insn pic_lo_sum_di, pic_sethi_di,
7394 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7395 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7396 embmedany_sethi, embmedany_losum, embmedany_brsum,
7397 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7398 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7399 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7400 scheme, using unspecs, secondary reloads, and one to one sparc
7401 insn to rtl insn mapping for better scheduling and code gen.
7402 (define_expand reload_indi, reload_outdi): Reload helpers for
7403 MEDANY and EMBMEDANY symbol address loading cases which require a
7405 (define_expand movsicc): Remove v8plus_regcmp cases.
7406 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7407 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7408 cmp_diqi_trunc_set): New patterns used by some of the new scc
7410 (define_insn xordi3_sp64_dbl): New pattern used for constant
7411 formation when crossing from 32-bit targets.
7412 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7414 (define_insn addx, subx): Make visible and prettify.
7415 (define_insn adddi3_insn_sp32): Likewise and force split.
7416 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7417 64bit scc split usage.
7418 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7419 zero_extend, subdi3): Force and implement splits.
7421 * final.c (final_scan_insn): Don't output labels if target
7422 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7425 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7426 don't forget to walk inside SEQUENCESs too as these are what the
7427 delay slot scheduler will create.
7429 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7431 * alpha.md (extxl+1,+2): New patterns to work around
7434 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7436 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7437 caused bad assembly code to be generated.
7439 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7441 * netbsd.h: Fix typo.
7443 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7445 * config.sub: Fix typo.
7447 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7449 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7451 (Running Protoize): Typo: Change "ther" into "other".
7453 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7455 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7456 * m68k/netbsd.h: Likewise.
7457 * ns32k/netbsd.h: Likewise.
7458 * sparc/netbsd.h: Likewise.
7460 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7462 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7463 * ginclude/va-clipper.h (va_list): Likewise.
7465 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7467 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7468 load/store multiple instructions unless user overrides.
7470 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7472 * ns32k/netbsd.h: Fix typo.
7474 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7476 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7477 labels with .debugsym if no parallel insns.
7479 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7481 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7482 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7484 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7486 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7487 (AR_FOR_TARGET): Define.
7489 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7491 * dyn-string.h: New file.
7492 * dyn-string.c: Likewise.
7493 * Makefile.in (OBJS): Add dyn-string.o.
7494 (dwarf2out.o): Add dyn-string.h dependency.
7495 (dyn-string.o): List dependencies.
7496 * dwarf2out.c: Include dyn-string.h.
7497 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7498 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7499 prototype. Use dyn_string_append rather than strcat, throughout.
7500 (addr_to_string): Use dyn_string_t.
7502 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7504 Function entry/exit profiling instrumentation:
7505 * expr.h (profile_function_entry_libfunc,
7506 profile_function_exit_libfunc): Declare new variables.
7507 * optabs.c: Define them here.
7508 (init_optabs): Initialize them.
7509 * tree.h (struct tree_decl): New flag
7510 no_instrument_function_entry_exit.
7511 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7512 * c-decl.c (duplicate_decls): Merge it.
7513 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7514 (init_attributes): Use it for "no_instrument_function".
7515 (decl_attributes): Handle it, for functions that have not yet been
7516 compiled. Set decl flag.
7517 * flags.h (flag_instrument_function_entry_exit): Declare new
7519 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7520 (f_options): New option "instrument-functions".
7521 * function.h (struct function): New field instrument_entry_exit.
7522 * function.c (current_function_instrument_entry_exit): New
7524 (push_function_context_to, pop_function_context_from): Save and
7526 (expand_function_start): Set current_ variable, maybe emit return
7527 label and entry profile call.
7528 (expand_function_end): Maybe emit exit profile call.
7530 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7532 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7533 NON_QI_REG_P, pretend the register is SImode.
7535 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7537 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7538 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7539 manufacturer id for ns32k.
7540 * configure: Regenerated.
7541 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7542 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7543 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7544 * config/m68k/netbsd.h: Same.
7545 * config/ns32k/netbsd.h: Same.
7546 * config/sparc/netbsd.h: Same.
7548 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7550 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7551 or UNROLL_COMPLETELY loop that starts with a jump to its
7554 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7556 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7557 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7558 (print_operand, case 'B'): Don't fall through.
7559 (print_operand, case 'S'): Correct mask begin/end computation.
7560 Use HOST_BITS_PER_WIDE_INT.
7561 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7562 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7563 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7564 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7566 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7568 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7569 constraint from second alternative.
7571 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7573 * configure.in: Fix --without/--disable cases for local-prefix,
7574 gxx-include-dir and checking.
7576 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7578 * configure.in (enable_haifa): Set by default for sparc64 too.
7581 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7583 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7584 * i386/winnt.c (associated_type): New fn.
7585 (i386_pe_valid_type_attribute_p): New fn.
7586 (i386_pe_check_vtable_importexport): Remove.
7587 (i386_pe_dllexport_p): Use associated_type.
7588 (i386_pe_dllimport_p): Likewise.
7590 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7591 * i386.c (i386_valid_type_attribute_p): Also accept
7592 attributes for METHOD_TYPEs.
7594 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7596 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7598 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7600 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7602 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7603 them from generating a new base name for each occurence of
7606 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7608 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7610 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7614 * cplus-dem.c (type_kind_t): New type.
7615 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7616 on this paramter, rather than demangling the type again.
7617 (demangle_integral_value): Pass tk_integral.
7618 (demangle_template_: Pass the value returned from do_type.
7619 (do_type): Return a type_kind_t. Pass tk_integral to
7620 demangle_template_value_parm for array bounds.
7621 (demangle_fund_type): Likewise.
7623 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7625 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7628 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7630 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7632 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7634 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7636 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7639 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7641 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7642 (DEBUGGER_ARG_OFFSET): Likewise.
7644 * mn10300.md (movsf): Remove last change. Not needed.
7646 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7648 * c-lex.c (yylex): Fix boundary conditions in character literal and
7649 string literal loops.
7651 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7653 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7654 being invoked incorrectly.
7656 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7657 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7659 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7660 * configure.in: Added i[34567]86-*-win32
7661 * config.sub: Ditto.
7662 * configure: Rebuilt.
7664 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7666 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7667 the frame pointer and compiling PIC code and reload has not completed.
7669 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7672 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7674 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7676 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7678 * Makefile.in (install-info): Only try to update the info
7679 directory file if it exists in the first place.
7681 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7683 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7685 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7687 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7688 CONST_DOUBLE source.
7690 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7692 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7693 strings as the insertion of USER_LABEL_PREFIX.
7694 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7696 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7699 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7701 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7702 already defined type.
7704 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7706 * expr.c (check_max_integer_computation_mode): Allow conversions
7707 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7708 (expand_expr): Likewise.
7710 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7712 * expr.c (expand_expr): Expand RETURN_EXPR.
7714 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7716 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7718 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7720 * dwarf2out.c (output_aranges): Call stripattributes
7721 for TEXT_SECTION references.
7722 (output_line_info): Likewise.
7724 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7726 * profile.c (branch_prob): Call allocate_reg_info after outputting
7727 profile rtl in instrument_arcs.
7729 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7731 * fixinc.irix (math.h): Install wrapper instead of copying.
7733 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7735 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7736 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7737 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7738 lang_flag_0. Added documentation in the flag table.
7740 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7742 * cccp.c (do_include): Fix vax c style include handling.
7744 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7746 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7748 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7750 * fold-const.c (non_lvalue): Don't deal with null pointer
7752 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7754 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7756 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7757 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7758 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7759 (u_short_cint_operand): Same.
7760 (reg_or_cint_operand): Same.
7761 (logical_operand): Same.
7762 (input_operand): Same.
7763 (reg_or_short_operand): Use u_short_cint_operand.
7765 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7767 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7768 but keep the insns and splits. Adjust so when the ultimate destination
7769 is memory, use cvtql.
7771 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7773 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7775 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7777 * gcc.c (do_spec): Call "error" not "warning".
7779 * configure.in: Fix minor problems with gas feature detection code.
7780 * configure: Rebuilt.
7782 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7785 * gcc.c: Delete %[spec] support.
7786 (do_spec_1, case '('): Likewise.
7787 (do_spec_1, case '['): Call error.
7789 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7791 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7792 (CPP_SUBTARGET_SPEC): Default to empty string.
7793 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7794 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7795 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7796 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7798 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7799 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7800 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7801 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7802 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7803 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7804 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7805 * alpha/vxworks.h: Likewise.
7807 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7809 * mips.md (reload_outsi): Added missing REGNO call.
7810 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7812 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7813 another match_operator and compare the codes.
7815 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7817 * MIPS multiply pattern fixes:
7818 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7819 Add union classes for HI, LO, or HILO plus general registers.
7820 (GENERATE_MADD): Deleted.
7821 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7822 Add TARGET_MAD to condition.
7823 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
7824 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
7825 "*d" for accumulator, to give preference to LO initially but not
7828 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
7830 * configure.in (enable_c_mbchar): New configure option.
7831 (extra_cpp_objs): Always available now.
7833 * cexp.y (mbchar.h): #include it.
7834 (yylex): Handle Multibyte characters in character literals.
7836 * cccp.c (mbchar.h): #include it.
7837 (main): Set character set based on LANG environment variable.
7838 (rescan): Handle multibyte characters in comments.
7839 (skip_if_group): See above.
7840 (validate_else): See above.
7841 (skip_to_end_of_comment): See above.
7842 (macarg1): See above.
7843 (discard_comments): See above.
7844 (rescan): Handle multibyte characters in string and character literals.
7845 (collect_expansion): See above.
7846 (skip_quoted_string): See above.
7847 (macroexpand): See above.
7848 (macarg1): See above.
7849 (discard_comments): See above.
7850 (change_newlines): See above.
7852 * c-lex.c (mbchar.h): #include it.
7853 (GET_ENVIRONMENT): New macro.
7854 (init_lex): Set character set based on LANG environment variable.
7855 (yylex): Handle multibyte characters in character literals.
7856 (yylex): Handle multibyte characters in string literals.
7858 * Makefile.in (mbchar.o): New target.
7859 (cccp$(exeext)): @extra_cpp_objs@ is always available.
7860 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
7862 * mbchar.[ch]: New files for multibyte character handling.
7864 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7866 * jump.c (jump_optimize): When simplifying noop moves and
7867 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
7868 the PUSHes to rewrite in second loop as we did in the first.
7870 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7872 * cplus-dem.c (demangle_nested_args): Make function definition
7873 static to match the prototype.
7875 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
7877 * alloca.c: Respect USE_C_ALLOCA.
7878 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
7879 * gengenrtl.c (xmalloc): Likewise.
7881 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
7883 * loop.h (struct induction): Add no_const_addval.
7884 * loop.c (the_movables, reg_address_cost): New variables.
7885 (init_loop): Init reg_address_cost.
7886 (loop_optimize): Call end_alias_analysis.
7887 (scan_loop): Init the_movables.
7888 (record_giv): Init induction->no_const_addval.
7889 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
7890 [REG]: Rearrange loop search test to catch more cases.
7891 (general_induction_var): Return success not benefit; take an extra
7892 argument for that. Change all callers.
7893 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
7894 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
7895 [default]: Search the_movables for additional combinations.
7896 (sge_plus_constant, sge_plus): New functions.
7897 (express_from_1): New function.
7898 (express_from): Always define. Rewrite using express_from_1.
7899 (combine_givs_p): Handle more cases. Ignore address cost.
7900 (cmp_combine_givs_stats): New function.
7901 (combine_givs_used_once, combine_givs_benefit_from): New functions.
7902 (combine_givs): Rewrite to do best-fit combination.
7904 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
7905 (fold): Do a complete (A*C)+(B*C) association check.
7907 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
7909 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
7911 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
7913 * mn10300.c (MODES_TIEABLE_P): Fix typo.
7915 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
7917 * tree.c (valid_machine_attribute): Only create a new type variant if
7918 there is a decl to use it.
7920 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
7922 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
7925 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
7927 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
7930 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
7932 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
7933 Simplify tests for clearing an address register.
7934 (expand_prologue): Corresponding changes.
7936 * mn10300.md (movXX patterns): Make sure the destination is an
7937 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
7938 (logical patterns): Split into expanders + patterns
7939 (zero and sign extension patterns): Similarly.
7940 (shift patterns): Similarly.
7942 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
7944 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
7945 for the sequence, recording base values.
7947 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
7949 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
7951 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
7953 * gcc.c: Remove ANSI-C ism from --help code.
7955 * toplev.c: Support --help with USE_CPPLIB.
7957 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
7959 * configure.in: Rework gas feature code to work with symlink based
7962 * extend.texi: Clarify some issues related to local variables
7963 assigned to explicit registers.
7965 * mn10300.md (mulsi): Turn into expander + pattern.
7967 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
7970 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
7972 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
7974 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
7976 * version.c: Bump again to distinguish mainline tree from the
7979 See ChangeLog.0 for earlier changes.
7982 add-log-time-format: current-time-string
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