1 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
3 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
4 and don't try to define it here.
5 * Makefile.in (cppmain.o): Depend on machmode.h.
7 (cpperror.o): Likewise.
9 (cppfiles.o): Likewise.
10 (cpphash.o): Likewise.
11 (cppalloc.o): Likewise.
12 (fix-header.o): Likewise.
13 (scan-decls.o): Likewise.
15 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
17 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
18 to determine if a register is live at a jump destination.
19 Everything is dead at a BARRIER.
21 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
23 * cse.c (simplify_unary_operation): Sign-extend constants when
24 they have the most significant bit set for the target.
25 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
27 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
28 HOST_WIDE_INT temporary before negating it.
29 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
31 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
33 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
36 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
38 * collect2.h: New header file for prototypes.
40 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
42 * collect2.c: Include collect2.h.
45 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
47 * flow.c: Update some comments.
49 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
51 * objc/objc-act.c (cpp_initialized): Removed.
52 (lang_init_options): Initialize cpplib.
53 (lang_decode_option): Move initialization of cpplib to
55 * c-lang.c: (parse_options,parse_in): Added.
56 (lang_init_options): Initialized cpplib here.
57 * c-decl.c (parse_options,cpp_initialized): Removed.
58 (c_decode_option): Move initialization of cpplib to
61 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
63 * reload1.c (reload_combine, reload_combine_note_store):
64 Make STORE_RUID always valid.
65 (reload_combine): Check if BASE is clobbered too early.
67 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
69 * reload.c (find_reloads): Display the insn that cannot be
72 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
74 * cccp.c (create_definition): Fix end of bufer logic.
76 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
78 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
79 pointer parameters changed to use the PARAMS() macro.
81 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
83 * except.h (struct handler_info): Add handler_number field.
84 * except.c (gen_exception_label): EH labels no longer need to be
85 on the permanent obstack.
86 (get_new_handler): Set the label number field.
87 (output_exception_table_entry): Regenerate handler label reference
88 from the label number field.
89 (init_eh): Remove a blank line.
90 * integrate.c (get_label_from_map): Labels no longer need to be
91 on the permanent obstack.
93 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
95 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
96 only when OUTER_CODE is SET.
98 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
100 * loop.c (strength_reduce): If scan_start points to the loop exit
101 test, be wary of subversive use of gotos inside expression statements.
102 Don't set maybe_multiple for a backward jump that does not
103 include the label under consideration into its range.
104 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
106 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
108 * explow.c (plus_constant_wide): Don't immediately return with
109 result of recursive call.
111 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
113 * eh-common.h (struct eh_context): Add table_index for rethrows.
115 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
116 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
117 processed when inlined or unrolled (ie duplicated in some way).
119 * rtl.c (reg_note_name): Add strings for new reg_note enums.
121 * expr.h (rethrow_libfunc): New library decl.
123 * optabs.c (rethrow_libfunc): Initialize.
125 * except.h (struct eh_entry): Add new field 'rethrow_label'.
126 (new_eh_region_entry): No longer exported from except.c.
127 (duplicate_handlers): Renamed to duplicate_eh_handlers and
129 (rethrow_symbol_map, rethrow_used): New exported functions.
130 (eh_region_from_symbol): New exported function.
132 * except.c (create_rethrow_ref): New function to create a single
133 SYMBOL_REF for a rethrow region.
134 (push_eh_entry): Initialize a rethrow ref.
135 (func_eh_entry): Add a rethrow_label field.
136 (new_eh_region_entry): Make static, and initialize the rethrow entry.
137 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
138 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
139 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
140 a region into an appropriate new symbol.
141 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
142 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
143 (end_catch_handler): Emit a barrier for new-exceptions since
144 control can never drop through the end of a catch block.
145 (expand_end_all_catch): new-exceptions never fall through a catch
147 (expand_rethrow): use __rethrow routine for new exceptions.
148 (output_exception_table_entry): Generate rethrow labels, if needed.
149 (output_exception_table): Generate start and end rethrow labels.
150 (init_eh): Create rethrow symbols for beginning and end of table.
151 (scan_region): Don't eliminate EH regions which are the targets of
154 * flow.c (make_edges): Add different edges for rethrow calls,
155 identified by having the REG_EH_RETHROW reg label.
156 (delete_unreachable_blocks): Don't delete regions markers which are
157 the target of a rethrow.
159 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
160 allow save_for_inline_copying to call duplicate_eh_handlers.
161 (save_for_inline_copying): Call duplicate_eh_handlers instead of
162 exposing internal details of exception regions.
163 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
164 (expand_inline_function_eh_labelmap): New callback routine to
165 allow expand_inline_function to call duplicate_eh_handlers.
166 (expand_inline_function): Call duplicate_eh_handlers instead of
167 exposing internal details of exception regions.
168 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
171 * libgcc2.c (find_exception_handler): Generalize to enable it to
172 pick up processing where it left off last time for a rethrow.
173 (__unwinding_cleanup): New function. debug hook which is called before
174 unwinding when __throw finds there is nothing but cleanups left.
175 (throw_helper): Common parts of __throw extracted out for reuse.
176 (__throw): Common parts moved to throw_helper.
177 (__rethrow): New function for performing rethrows.
179 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
181 * reload1.c (current_function_decl): Tweak declaration.
183 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
185 * c-decl.c (flag_isoc9x): Default off.
186 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
187 * cccp.c (print_help, main): Likewise.
188 * gcc.c (default_compilers): Update for -std=gnu*.
190 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
192 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
193 * demangle.h: Deleted.
195 * reload1.c (current_function_decl): Declare.
197 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
199 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
201 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
203 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
205 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
207 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
209 * configure: Rebuilt.
210 * system.h: If the *_unlocked functions are available use them
211 instead of the locked counterparts by defining macros.
212 * config.in: Regenerated.
214 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
216 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
217 wrong and should only be used for dump related things, not
218 debugging information, instead main_input_filename should be used.
219 Also, reuse output_file_directive if possible.
220 * i386/aix386ng.h (ASM_FILE_START): Likewise.
221 * i386/isc.h (ASM_FILE_START): Likewise.
222 * i386/win-nt.h (ASM_FILE_START): Likewise.
223 * i386/sun386.h (ASM_FILE_START): Likewise.
225 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
227 * configure.in (mips*-*-linux*): Handle big and little endian
229 * configure: Rebuilt.
231 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
233 * emit-rtl.c: Fix typo.
235 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
237 * reload1.c (eliminate_regs): Don't do anything, if we're not
240 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
242 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
244 * mips/mips.c (mips_select_section): Add comment.
246 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
248 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
249 characters in file names in #line to be consistent with #include
250 handling. We support escape prcessing in the # 1 "..." version of
251 the command. See also support in cp/lex.c.
252 (handle_directive): Likewise.
255 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
257 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
258 so it'll work on non-ASCII platforms. Always consider $ an
259 identifier character. Take no arguments.
260 (cpp_reader_init): Call initialize_char_syntax with no
262 (cpp_start_read): Don't call initialize_char_syntax again.
263 Clear is_idchar['$'] and is_idstart['$'] if not
264 opts->dollars_in_ident.
266 * cpplib.h (struct cpp_reader): Replace void *data element by
267 cpp_options *opts. Rearrange elements to make gdb printout
268 less annoying (put buffer stack at end).
269 (CPP_OPTIONS): Get rid of now-unnecessary cast.
271 * cppmain.c: s/data/opts/ when initializing cpp_reader
273 * c-decl.c: Likewise.
274 * objc/objc-act.c: Likewise.
275 * fix-header.c: Likewise.
277 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
279 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
280 with a struct file_name_list pointer.
281 (struct cpp_reader): Add pointer to chain of `actual
282 directory' include searchpath entries.
283 (struct file_name_list): Add *alloc pointer for the sake of
284 the actual-directory chain.
286 Move definition of HOST_WIDE_INT here.
287 (cpp_parse_escape): Change prototype to match changes in
290 * cppfiles.c (actual_directory): New function.
291 (finclude): Use it to initialize the buffer's actual_dir
293 (find_include_file): We don't need to fix up max_include_len
296 * cpplib.c (do_include): Don't allocate a file_name_list on
297 the fly for current directory "" includes, use the one that's
298 been preallocated in pfile->buffer->actual_dir. Hoist out
299 duplicate code from the search_start selection logic.
300 (cpp_reader_init): Initialize pfile->actual_dirs.
302 Remove definition of HOST_WIDE_INT. Change calls
303 to cpp_parse_escape to match changes in cppexp.c (note
304 hardcoded MASK, which is safe since this is the source
307 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
308 to handle wide character constants in #if directives. The
309 function now returns a HOST_WIDE_INT, and takes a third
310 argument which is a binary mask for all legal values (0x00ff
311 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
312 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
313 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
315 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
317 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
319 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
321 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
322 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
323 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
325 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
327 * final.c (output_asm_name): Use tabs to seperate comments from
330 Include instruction lengths (if defined) in output.
332 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
334 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
335 in the loop_info structure.
337 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
339 * configure.in: (arm*-*-ecos-elf): New target.
340 * configure: Regenerated.
341 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
342 * config/arm/ecos-elf.h: New file.
343 * config/arm/unknown-elf.h (TARGET_VERSION): Check
346 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
348 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
350 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
352 * version.c: Bump for snapshot.
354 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
356 * loop.c (check_dbra_loop): New argument loop_info. Update fields
359 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
361 * version.c: Bump for snapshot.
363 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
365 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
366 compressed reports are ok and preferred over URLs
368 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
370 * invoke.texi (Warning Options): Soften the tone of -pedantic
372 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
374 * print-rtl.c (print_rtx): Add prototype.
376 * unroll.c (iteration_info): Make it static.
378 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
380 * alias.c (memrefs_conflict_p): A second ANDed address
381 disables the aligned address optimization.
383 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
385 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
388 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
390 * i960.h (BOOL_TYPE_SIZE): Define.
392 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
394 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
395 from old valid_parallel_operands_4.
396 (valid_parallel_operands_4): Check that operands for 4 operand
397 parallel insns are valid, excluding load/store insns.
398 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
399 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
400 valid_parallel_load_store instead of valid_parallel_operands_4.
401 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
402 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
403 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
404 *notqi_movqi_clobber): Use valid_parallel_operands_4.
405 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
406 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
407 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
409 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
411 * config/c4x/c4x.c (iteration_info): Delete extern.
413 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
415 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
417 * final.c (cleanup_subreg_operands): Delete some unused code.
419 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
420 (struct insn_alternative): New structure definition.
421 (recog_op_alt): Declare variable.
422 (preprocess_constraints): Declare function.
423 * recog.c (recog_op_alt): New variable.
424 (extract_insn): Verify number of alternatives is in range.
425 (preprocess_constraints): New function.
426 * reg-stack.c: Include recog.h.
427 (constrain_asm_operands): Delete.
428 (get_asm_operand_lengths): Delete.
429 (get_asm_operand_n_inputs): New function.
430 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
431 N_OUTPUTS args. All callers changed.
432 Compute number of inputs and outputs here by calling
433 get_asm_operand_n_inputs.
434 Instead of constrain_asm_operands, call extract_insn,
435 constrain_operands and preprocess_constaints. Use information
436 computed by these functions throughout.
437 (record_reg_life): Delete code that is unused due to changes in
439 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
440 N_INPUTS and N_OUTPUTS args. All callers changed.
441 Similar changes as in record_asm_reg_life.
442 (subst_stack_regs): Move n_operands declaration into the if statement
444 Delete code that is unused due to changes in subst_asm_stack_regs.
445 * stmt.c (expand_asm_operands): Verify number of alternatives is in
447 * Makefile.in (reg-stack.o): Depend on recog.h.
449 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
451 * except.c (set_exception_version_code): Argument is an "int".
453 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
455 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
456 * configure: Rebuilt.
458 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
460 * configure.in (mipsel-*-linux*): New target.
461 * mips/linux.h: New file, based on other Linux targets.
463 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
465 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
466 runs in the context of the deleter, not the deletee, so we must
467 use taskVarGet to find the correct memory to free.
468 (__gthread_key_create): Initialize the task
469 variable subsystem so that the task variable is still active when
470 the delete hook is run.
472 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
474 * pdp11.h: Use optimize_size for space optimizations.
476 * pdp11.md: Likewise.
478 * pdp11.h (TARGET_40_PLUS): Fix typo.
480 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
482 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
485 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
487 * alias.c (addr_side_effect_eval): New function.
488 (memrefs_conflict_p): Use it.
489 * rtl.h (addr_side_effect_eval): Prototype it.
491 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
493 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
495 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
497 * reload.c (find_reloads): When force const to memory, put result
498 in substed_operand not *recog_operand_loc.
500 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
502 * c-lex.c: Fix indentation from last patch.
503 Remove trailing whitespace.
506 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
508 * flow.c (delete_block): Call set_last_insn after we have reset
509 NEXT_INSN (kept_tail).
511 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
513 * mips.md (trap_if): Use "$0" for the value zero.
515 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
516 Stephen L Moshier <moshier@world.std.com>
517 Richard Henderson <rth@cygnus.com>
519 * c-common.c (declare_function_name): Declare predefinied variable
522 * c-decl.c (flag_isoc9x): Set to 1 by default.
523 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
524 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
526 * c-parse.in: Allow constructors in ISO C 9x.
527 Rewrite designator list handling.
528 Allow [*] parameters.
529 Don't warn about comma at end of enum definition for ISO C 9x.
531 * cccp.c (c9x): New variable.
532 (rest_extension): New variable.
533 (print_help): Document new -std= option.
534 (main): Recognize -std= option. Set c9x appropriately.
535 (create_definition): Recognize ISO C 9x vararg macros.
537 * gcc.c (default_compilers): Adjust specs for -std options.
538 (option_map): Add --std.
539 (display_help): Document -std.
541 * toplev.c (documented_lang_options): Add -std and remove
544 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
545 or REAL_VALUE_HTOF based on base of the constants.
546 * fold-const.c (real_hex_to_f): New function. Replacement function
547 for hex FP conversion if REAL_ARITHMETIC is not defined.
548 * real.c (asctoeg): Add handling of hex FP constants.
549 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
552 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
554 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
555 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
556 expansion. Use hi/lo as destination register.
558 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
559 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
560 Avoid as macro expansion. Use hi/lo as destination register.
562 * mips.h (MASK_CHECK_RANGE_DIV): New.
563 (MASK_NO_CHECK_ZERO_DIV): New.
564 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
565 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
566 return address for leaf functions out of r31 to support
567 builtin_return_address.
569 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
571 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
572 NEXT_INSN(x) to check insn x.
574 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
576 * flow.c (delete_block): Call set_last_insn if we end up deleting the
577 last insn in the rtl chain.
579 * reload1.c (reload): Do not set reload_completed or split insns
581 * toplev.c (rest_of_compilation): Set reload_completed after
582 reload returns. Split insns after reload_cse has run.
584 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
586 * final.c (final_scan_insn): Abort if block_depth falls below 0.
588 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
590 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
592 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
594 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
595 use of user-label_prefix.
597 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
599 * reload1.c (emit_reload_insns): Clear spill_reg_store
600 when doing a new non-inherited reload from the same pseudo.
602 * local-alloc.c (function_invariant_p): New function.
603 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
604 to decide if an equivalence should be recorded.
605 * reload1.c (num_eliminable_invariants): New static variable.
606 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
607 to decide if an equivalence should be recorded.
609 (calculate_needs_all_insns): Skip insns that only set an equivalence.
610 Take num_eliminable_invariants into account when deciding
611 if register elimination should be done.
612 (reload_as_needed): Take num_eliminable_invariants into account
613 when deciding if register elimination should be done.
614 (eliminate_regs): Handle non-constant reg_equiv_constant.
615 * rtl.h (function_invariant_p): Declare.
617 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
619 * version.c: Bump for snapshot.
621 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
623 * version.c: Bump for snapshot.
625 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
627 * except.c (add_new_handler): Complain about additional handlers
628 after one that catches everything.
630 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
632 * configure.in (alpha*-*-netbsd): Fix typo.
633 * configure: Rebuilt.
635 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
637 * system.h: Include libiberty.h.
639 * c-aux-info.c: Remove prototypes for concat/concat3. Change
640 function `concat' from fixed parameters to variable parameters,
641 as is done in libiberty. All callers of concat/concat3
642 changed to use the new `concat' with variable args.
644 * cccp.c: Remove things made redundant by libiberty.h and/or
645 conform to libiberty standards.
647 * collect2.c: Likewise.
648 * config/1750a/1750a.h: Likewise.
649 * cppalloc.c: Likewise.
650 * cppexp.c: Likewise.
651 * cppfiles.c: Likewise.
652 * cpphash.c: Likewise.
653 * cpplib.c: Likewise.
654 * dyn-string.c: Likewise.
655 * fix-header.c: Likewise.
658 * genattr.c: Likewise.
659 * genattrtab.c: Likewise.
660 * gencheck.c: Likewise.
661 * gencodes.c: Likewise.
662 * genconfig.c: Likewise.
663 * genemit.c: Likewise.
664 * genextract.c: Likewise.
665 * genflags.c: Likewise.
666 * gengenrtl.c: Likewise.
667 * genopinit.c: Likewise.
668 * genoutput.c: Likewise.
669 * genpeep.c: Likewise.
670 * genrecog.c: Likewise.
671 * getpwd.c: Likewise.
672 * halfpic.c: Likewise.
674 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
675 in NEED_DECLARATION_* macros.
677 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
678 conform to libiberty standards.
679 (fatal): Fix const-ification of variable `format' in
680 !ANSI_PROTOTYPES case.
682 * prefix.c: Remove things made redundant by libiberty.h and/or
683 conform to libiberty standards.
685 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
686 conflicting with function `spaces' from libiberty.
688 * profile.c: Remove things made redundant by libiberty.h and/or
689 conform to libiberty standards.
690 * protoize.c: Likewise.
694 * toplev.c: Likewise.
695 * toplev.h: Likewise.
698 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
700 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
702 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
704 * README.C4X: Updated URLs.
705 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
706 (valid_parallel_operands_5): Remove unused variable.
708 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
710 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
712 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
714 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
715 which can be configured.
716 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
717 (Makefile): Pass actual LANGUAGES through the environment when
719 (cstamp-h): Likewise.
720 (config.status): Likewise.
722 * configure.in (enable_languages): Add new configuration parameter
723 "--enable-languages=lang1,lang2,...".
724 (${srcdir}/*/config-lang.in): Change handling to configure only
725 those directories, that the user might have enabled; default to
726 "all" existing languages.
727 * configure: Regenerate.
729 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
731 * rtlanal.c (regs_set_between_p): New function.
732 * rtl.h (regs_set_between_p): Prototype it.
733 * jump.c (jump_optimize): Use it instead of modified_between_p
736 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
737 Matthias Pfaller <leo@dachau.marco.de>
739 * invoke.texi (Option Summary, NS32K Options): add description
740 of NS32K specific options.
742 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
743 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
744 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
745 negdf2, absdf2): Use l instead of f since the double class and
746 float class are no longer the same.
747 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
748 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
749 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
750 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
752 (cmpsi, cmphi, cmpqi): use general_operand instead of
753 non_immediate_operand. Removes erroneous assumption that can't
755 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
756 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
758 (movstrsi, movstrsi1, movstrsi2): completely new block move
760 (...): Patterns to exploit multiply-add instructions.
761 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
762 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
763 patterns to exploit extended divide insns.
764 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
767 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
768 float return values as well as simple scalar floats.
769 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
770 support new flag to denote 32381 fpu.
771 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
772 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
774 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
775 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
776 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
777 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
778 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
779 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
780 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
781 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
782 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
783 fpu registers and special register classes for new 32381
784 instructions dotf and polyf.
785 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
787 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
788 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
790 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
791 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
792 (REGISTER_MOVE_COST): move code to register_move_cost function for
793 ease of coding and debugging.
794 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
795 LONG_FLOAT_REGO is likely spilled but not caught by default
797 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
798 instead of hard coded numbers in range check.
799 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
800 (...): Add prototypes for functions in ns32k.c but disable because
801 of problems when ns32k.h is included in machine independant files.
803 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
804 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
805 hard_regno_mode_ok, secondary_reload_class,
806 print_operand, print_operand_address): new register scheme to
807 include 32381 fpu registers and special register classes for new
808 32381 instructions dotf and polyf.
809 (gen_indexed_expr): Make static to keep namespace clean.
810 (check_reg): remove since never called.
811 (move_tail, expand_block_move): helper functions for "movstrsi"
813 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
814 Increase cost of moves which go via memory.
815 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
816 (CPP_PREDEFINES): nolonger predefine "unix".
818 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
819 Remove erroneous %$. print_operand() can work out from the rtx is
820 an immediate prefix is required.
822 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
823 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
824 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
826 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
829 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
830 Correct handling of pic operands.
831 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
832 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
833 -mrtd calling convention.
835 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
837 * gcc.c (option_map): Recognize --output-class-directory.
839 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
841 * loop.h (precondition_loop_p): Added new mode argument.
842 * unroll.c (precondition_loop_p): Likewise.
843 (approx_final_value): Function deleted and subsumed
844 into loop_iterations.
845 (loop_find_equiv_value): New function.
846 (loop_iterations): Use loop_find_equiv_value to find increments
847 too large to be immediate constants. Also use it to find terms
848 common to initial and final iteration values that can be removed.
850 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
852 * loop.h (struct loop_info): Define new structure.
853 (precondition_loop_p): Added prototype.
854 (unroll_loop): Added new argument loop_info to prototype.
855 (final_biv_value, final_giv_value): Added new argument n_iterations
857 * loop.c (strength_reduce): Declare new structure loop_iteration_info
858 and new pointer loop_info.
859 (loop_n_iterations): Replace global variable by element in
861 (check_final_value): New argument n_iterations.
862 (insert_bct): New argument loop_info.
863 (loop_unroll_factor): Replace global array by element in
865 (loop_optimize): Remove code to allocate and initialise
866 loop_unroll_factor_array.
867 * unroll.c (precondition_loop_p): No longer static since
868 used by branch on count optimization.
869 (precondition_loop_p, unroll_loop): New argument loop_info.
870 (final_biv_value, final_giv_value, find_splittable_regs): New
871 argument n_iterations.
872 (loop_iteration_var, loop_initial_value, loop_increment,
873 loop_final_value, loop_comparison_code, loop_unroll_factor):
874 Replaced global variables by loop_info structure.
875 (loop_unroll_factor): Replace global array by element in
878 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
880 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
883 * unroll.c (precondition_loop_p): Return loop_initial_value
884 for initial_value instead of loop_iteration_var.
886 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
888 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
889 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
890 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
891 to output the instruction sequences.
893 (rptb_top): Provide alternatives to use any register or memory
895 (rptb_end): Emit use of operands rather than assigning them
896 explicitly to the RS and RE registers.
898 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
900 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
901 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
902 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
903 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
904 c4x_merge_notes, c4x_parallel_process,
905 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
906 c4x_combine_parallel): Delete.
908 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
910 * config/c4x/c4x.c: (c4x_override_options): For compatibility
911 with old target options clear flag_branch_on_count_reg if
912 -mno-rptb specified and set flag_argument_alias is -mno-aliases
914 (c4x_output_cbranch): Handle a sequence of insns rather than a
916 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
917 has not been allocated as the loop counter.
918 (c4x_address_conflict): Do not allow two volatile memory references.
919 (valid_parallel_operands_4, valid_parallel_operands_5,
920 valid_parallel_operands_6): Reject pattern if the register destination
921 of the first set is used as part of an address in the second set.
923 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
925 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
926 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
927 is no longer enabled if PARALLEL_MPY_FLAG set.
928 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
929 (REG_CLASS_CONTENTS): Add braces around initializers.
930 (HAVE_MULTIPLE_PACK): Define.
931 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
932 REAL_VALUE_TO_DECIMAL.
933 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
934 REAL_VALUE_TO_DECIMAL.
935 (ar0_reg_operand): Add prototype.
936 (ar0_mem_operand): Likewise.
937 (ar1_reg_operand): Likewise.
938 (ar1_mem_operand): Likewise.
939 (ar2_reg_operand): Likewise.
940 (ar2_mem_operand): Likewise.
941 (ar3_reg_operand): Likewise.
942 (ar3_mem_operand): Likewise.
943 (ar4_reg_operand): Likewise.
944 (ar4_mem_operand): Likewise.
945 (ar5_reg_operand): Likewise.
946 (ar5_mem_operand): Likewise.
947 (ar6_reg_operand): Likewise.
948 (ar6_mem_operand): Likewise.
949 (ar7_reg_operand): Likewise.
950 (ar7_mem_operand): Likewise.
951 (ir0_reg_operand): Likewise.
952 (ir0_mem_operand): Likewise.
953 (ir1_reg_operand): Likewise.
954 (ir1_mem_operand): Likewise.
955 (group1_reg_operand): Likewise.
956 (group1_mem_operand): Likewise.
957 (ir1_reg_operand): Likewise.
958 (arx_reg_operand): Likewise.
959 (not_rc_reg): Likewise.
960 (not_modify_reg): Likewise.
961 (c4x_group1_reg_operand): Remove prototype.
962 (c4x_group1_mem_operand): Likewise.
963 (c4x_arx_reg_operand): Likewise.
965 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
967 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
968 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
970 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
972 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
975 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
977 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
978 unless FMOVD_WORKS is defined.
980 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
982 * regclass.c (init_reg_sets): Move code that calculates tables
983 dependent on reg_class_contents from here...
984 (init_reg_sets_1): To here.
986 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
988 * cpplib.h: Delete struct import_file. Add ihash element to
989 struct cpp_buffer. Delete dont_repeat_files and
990 import_hash_table elements from cpp_reader; change
991 all_include_files to a hash table. Delete all foobar_include
992 / last_foobar_include elements from struct cpp_options; put
993 back four such: quote_include, bracket_include,
994 system_include, after_include. Redo struct file_name_list
995 completely. Add new structure type include_hash. Add
996 prototypes for merge_include_chains and include_hash. Change
997 prototypes for finclude, find_include_file, and
998 append_include_chain to match changes below.
1000 * cppfiles.c (simplify_pathname, include_hash,
1001 remap_filename, merge_include_chains): New functions.
1002 (add_import, lookup_import, open_include_file): Removed.
1003 (INO_T_EQ): Define this (copied from cccp.c).
1004 (hack_vms_include_specification): Remove all calls and #if 0
1005 out the definition. It was being called incorrectly and at
1006 the wrong times. Until a VMSie can look at this, it's better
1007 to not pretend to support it.
1008 (append_include_chain): Change calling convention; now takes
1009 only one directory at a time, and sets up the data structure
1011 (redundant_include_p): Rewritten - this is now used for all
1012 include redundancy, whether by #ifndef, #import, or #pragma
1013 once. Looks up things in the include hash table.
1014 (file_cleanup): Decrement pfile->system_include_depth here if
1016 (find_include_file): Calling convention changed; now passes
1017 around a struct include_hash instead of 3 separate parameters.
1018 Guts ripped out and replaced with new include_hash mechanism.
1019 (finclude): Calling convention changed as for
1020 find_include_file. Error exits pulled out-of-line. Reformat.
1021 (safe_read): Return a long, not an int.
1022 (deps_output): Don't recurse.
1024 * cpplib.c (is_system_include): Deleted.
1025 (path_include): Fix up call to append_include_chain.
1026 (do_include): Fix up calls to find_include_file and finclude.
1027 Clean up dependency output a bit. Shorten obnoxiously lengthy
1028 #import warning message. Don't decrement
1029 pfile->system_include_depth here.
1030 (do_pragma): Understand the include_hash structure. Reformat.
1031 (do_endif): Correct handling of control macros. Understand
1033 (cpp_start_read): Fix up calls to finclude. Call
1034 merge_include_chains.
1035 (cpp_handle_option): Fix up calls to append_include_chain.
1036 Understand the four partial include chains.
1037 (cpp_finish): Add debugging code (#if 0-ed out) for the
1039 (cpp_cleanup): Free the include_hash, not the import hash and
1040 the all_include and dont_repeat lists which no longer exist.
1042 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
1044 * toplev.c (no_new_pseudos): Define.
1045 (rest_of_compilation): Set no_new_pseudos as needed.
1046 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
1047 if no_new_pseudos is set.
1048 * rtl.h (no_new_pseudos): Declare it.
1049 * reload1.c (reload): Update comments.
1050 * md.texi: Corresponding changes.
1052 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1054 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
1055 (choose_reload_regs): Rename it here as well. When computing it,
1056 also merge in used hardregs.
1058 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1060 * gcc.c: Split out Objective-C specs to...
1061 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
1064 * c-lex.c (init_parse): Always initialize the filename global.
1065 * objc/objc-act.c (lang_init): Always call check_newline at
1068 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
1070 * reload1.c (reload): Remove unused variable.
1071 (reload_reg_free_for_value_p): Add missing parameter definition.
1073 * jump.c (jump_optimize): Remove unused variable.
1075 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
1077 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
1079 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
1081 * expr.c (move_by_pieces): Similarly.
1082 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
1083 * flow.c (find_auto_inc): Similarly.
1084 (try_pre_increment): Similarly.
1085 * loop.c (strength_reduce): Similarly.
1086 * regclass.c (auto_inc_dec_reg_p): Similarly.
1087 * regmove.c (try_auto_increment): Similarly.
1088 (fixup_match_1): Similarly.
1089 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
1090 (HAVE_PRE_DECREMENT): Similarly.
1091 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
1092 * Corresponding changes to all target header files.
1093 * tm.texi: Update docs for autoinc addressing modes.
1095 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
1097 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
1098 * configure: Rebuild.
1099 * config/elfos.h: New file.
1100 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
1101 config/m68k/t-m68kelf: New file.
1103 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
1105 * Makefile.in (HOST_AR): Define.
1106 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
1107 (libcpp.a): Use the host tools explicitly.
1108 (STAGESTUFF): Add libcpp.a.
1110 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
1112 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
1113 to source and destination registers.
1115 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
1117 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
1118 The strategy we now use is to pre allocate the top_elt along
1119 with the EH context so that each thread has its own top_elt.
1120 This is necessary as the dynmanic cleanup chain is used on the
1121 top element of the stack and each thread MUST have its own.
1122 (eh_context_static): Likewise.
1123 (new_eh_context): Likewise.
1124 (__sjthrow): Likewise.
1126 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
1128 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
1129 * i386.md (prologue_get_pc): Remove unused variable.
1131 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
1133 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
1135 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
1137 * Makefile.in (OBJS): Add graph.o
1138 (graph.o): New dependency list.
1139 * flags.h: Declare dump_for_graph and define graph_dump_types type.
1140 * print-rtl.c (dump_for_graph): Define new variable.
1141 (print_rtx): Rewrite to allow use in graph dumping functions.
1142 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
1143 finish_graph_dump_file.
1144 Define graph_dump_format.
1145 (compile_file): If graph dumping is enabled also clear these files.
1146 Finish graph dump files.
1147 (rest_of_compilation): Also dump graph information if enabled.
1148 (main): Recognize -dv to enabled VCG based graph dumping.
1149 * graph.c: New file. Graph dumping functions.
1151 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
1153 * configure.in: Look for <sys/stat.h>.
1154 * system.h: Include it before substitute S_ISREG definitions.
1156 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
1158 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
1159 * config/mips/iris6.h: Same.
1160 * config/mips/mips.md: Same.
1161 * config/mips/mips.c: Same; also add "-mabi=o64" option.
1162 * config/mips/mips.h: Same; also define ABI_O64.
1164 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1166 * configure.in: Use AC_PREREQ(2.12.1).
1168 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
1170 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
1171 * cpplib.c, gcc.c: Likewise.
1172 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
1174 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
1176 * local-alloc.c (local_alloc): Use malloc not alloca for
1177 reg_qty, reg_offset, ref_next_in_qty.
1179 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1181 * caller-save.c (insert_one_insn): Initialize the live_before and
1182 live_after register sets.
1186 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
1187 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
1188 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
1189 (fp_reg_names, assembler_dialect): New variables.
1190 (print_operand_address): Handle SUBREGs.
1191 (print_operand): Added 'o' case.
1192 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
1193 Name of FP registers depends on mode.
1194 (expand_block_move): Emit different code for SH4 hardware.
1195 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
1196 (from_compare): Likewise.
1197 (add_constant): New argument last_value. Changed all callers.
1198 (find_barrier): Don't try HImode load for FPUL_REG.
1199 (machine_dependent_reorg): Likewise.
1200 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
1201 (gen_far_branch): Emit a barrier after the new jump.
1202 (barrier_align): Don't trust instruction lengths before
1204 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
1205 Use auto-inc addressing for fp registers if doubles need to
1206 be loaded in two steps.
1207 Set sh_flag_remove_dead_before_cse.
1208 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
1209 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
1210 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
1211 Support for FIRST_XD_REG .. LAST_XD_REG.
1212 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
1213 (sh_expand_epilogue): Likewise.
1214 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
1215 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
1216 (arith_reg_operand): FPUL_REG is OK for SH4.
1217 (fp_arith_reg_operand, fp_extended_operand) New functions.
1218 (tertiary_reload_operand, fpscr_operand): Likewise.
1219 (commutative_float_operator, noncommutative_float_operator): Likewise.
1220 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
1221 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
1222 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
1223 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
1224 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
1225 (CONDITIONAL_REGISTER_USAGE): Likewise.
1226 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
1227 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
1228 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
1229 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
1230 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
1231 to -1 and sh_flag_remove_dead_before_cse to 1.
1232 (ASSEMBLER_DIALECT): Define to assembler_dialect.
1233 (assembler_dialect, fp_reg_names): Declare.
1234 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
1235 Hide names of registers that are not accessible.
1236 (CACHE_LOG): Take TARGET_CACHE32 into account.
1237 (LOOP_ALIGN): Take TARGET_HARWARD into account.
1238 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
1239 (FIRST_PSEUDO_REGISTER: Now 49.
1240 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
1241 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
1242 (HARD_REGNO_MODE_OK): Update.
1243 (enum reg_class): Add DF_REGS and FPSCR_REGS.
1244 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
1245 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
1246 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
1247 (NPARM_REGS): Eight floating point parameter registers on SH4.
1248 (BASE_RETURN_VALUE_REG): SH4 also passes double values
1249 in floating point registers.
1250 (GET_SH_ARG_CLASS) Likewise.
1251 Complex float types are also returned in float registers.
1252 (BASE_ARG_REG): Complex float types are also passes in float registers.
1253 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
1254 (LIBCALL_VALUE): Remove trailing semicolon.
1255 (ROUND_REG): Round when double precision value is passed in floating
1257 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
1258 passed on the stack.
1259 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
1260 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
1261 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
1262 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
1263 (MODE_DISP_OK_8): Not for SH4 DFmode.
1264 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
1265 Allow indexed addressing for PSImode after reload.
1266 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
1267 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
1268 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
1269 (DOUBLE_TYPE_SIZE): 64 for SH4.
1270 (RTX_COSTS): Add PLUS case.
1271 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
1272 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
1273 MAC_REGS, PR_REGS, DF_REGS.
1274 (REGISTER_NAMES): Use fp_reg_names.
1275 (enum processor_type): Add PROCESSOR_SH4.
1276 (sh_flag_remove_dead_before_cse): Declare.
1277 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
1278 (PREDICATE_CODES): Add binary_float_operator,
1279 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
1280 fpscr_operand, noncommutative_float_operator.
1281 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
1282 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
1283 * sh.md (attribute cpu): Add value sh4.
1284 (attrbutes fmovd, issues): Define.
1285 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
1286 (function units memory, int, mpy, fp): Make dependent on issue rate.
1287 (function units issue, single_issue, load_si, load): Define.
1288 (function units load_store, fdiv, gp_fpul): Define.
1289 (attribute hit_stack): Provide proper default.
1290 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
1291 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
1292 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
1293 (mulsi3_call): Now uses match_operand for function address.
1294 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
1296 (push, pop, push_e, pop_e): Now define_expands.
1297 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
1298 (movsi_ie): Added y/i alternative.
1299 (ic_invalidate_line_i, movdf_i4): New insns.
1300 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
1301 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
1302 (movdf): Add special code for SH4.
1303 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
1304 (call_valuei, calli, call_value): Likewise.
1305 (movsf): Emit no-op move.
1306 (mov_nop, movsi_y): New insns.
1307 (blt, sge): generalize to handle DFmode.
1308 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
1309 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
1310 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
1311 (fpu_switch0, fpu_switch1, movpsi): New expanders.
1312 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
1313 (toggle_sz): New insn.
1314 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
1315 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
1316 (macsf3): Make use of fpscr visible. Disable for SH4.
1317 (floatsisf2): Make use of fpscr visible.
1318 (floatsisf2_i4): New insn.
1319 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
1320 (ieee_ccmpeqsf_t): Likewise.
1321 (fix_truncsfsi2): Emit different code for SH4.
1322 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
1323 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
1324 (negsf2, sqrtsf2, abssf2): Now expanders.
1325 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
1326 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
1327 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
1328 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
1329 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
1330 (fix_truncdfsi2_i4_2+1): New splitters.
1331 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
1332 (extendsfdf2, truncdfsf2): New expanders.
1333 (truncdfsf2_i4): New insn.
1334 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
1335 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
1336 * float-sh.h: When testing for __SH3E__, also test for
1337 __SH4_SINGLE_ONLY__ .
1338 * va-sh.h (__va_freg): Define to float.
1339 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
1340 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
1341 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
1342 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
1344 (TARGET_SH4_P): Define.
1347 * sh.md (movdf_k, movsf_i): Tweak the condition so that
1348 init_expr_once is satisfied about the existence of load / store insns.
1350 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
1351 change m constraint in source operand to mr / mf .
1353 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
1355 * (__VA_REEF): Define.
1356 (__va_arg_sh1): Use it.
1358 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
1360 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
1362 * i386/dgux.c (struct option): Add new "description field".
1363 * m88k/m88k.c (struct option): Likewise.
1365 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
1367 * version.c: Bump for snapshot.
1369 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1371 * regmove.c (regmove_profitable_p): Use return value of find_matches
1374 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
1376 * version.c: Bump for snapshot.
1378 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
1380 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
1381 without reload having been called earlier.
1383 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
1385 (v850_reorg): Similarly.
1387 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
1389 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1391 * loop.c (move_movables): Start of libcall might be new loop start.
1393 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1395 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
1397 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1399 * function.c (nonlocal_goto_handler_slots): Renamed from
1400 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
1401 (push_function_context_to): Adjust for this change.
1402 (pop_function_context_from): Likewise.
1403 (init_function_start): Likewise.
1404 (expand_function_end): Likewise.
1405 * function.h (struct function): Likewise.
1406 * calls.c (expand_call): Likewise.
1407 * explow.c (allocate_dynamic_stack_space): Likewise.
1408 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
1409 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
1411 (expand_goto): When doing a nonlocal goto, find corresponding handler
1412 slot for it. Don't put the label address in the static chain register.
1413 (expand_end_bindings): Break out nonlocal goto handling code into
1414 three new functions.
1415 (expand_nl_handler_label, expand_nl_goto_receiver,
1416 expand_nl_goto_receivers): New static functions, broken out of
1417 expand_end_bindings and adapted to create one handler per nonlocal
1419 * function.c (delete_handlers): Delete insn if it references any of
1420 the nonlocal goto handler slots.
1421 * i960.md (nonlocal_goto): Comment out code that modifies
1423 * sparc.md (nonlocal_goto): Likewise.
1424 (goto_handler_and_restore_v9): Comment out.
1425 (goto_handler_and_restore_v9_sp64): Comment out.
1427 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1429 * expr.c (STACK_BYTES): Delete unused macro.
1430 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
1431 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1432 (expand_call): Likewise.
1433 (emit_library_call): Likewise.
1434 (emit_library_call_value): Likewise.
1435 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
1436 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1437 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
1438 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
1439 (allocate_dynamic_stack_space): Likewise.
1440 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
1441 (STACK_BOUNDARY): Update description to reflect the new situation.
1443 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
1445 * reorg.c (relax_delay_slots): When optimizing for code size, if a
1446 return with a filled delay slot is followed by a return with an
1447 unfilled delay slot, delete the first return and reemit the insn
1448 that was previously in its delay slot.
1450 * i860.c (single_insn_src_p): Add missing parens.
1451 * ginclude/math-3300.h: Likewise.
1453 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
1455 * regclass.c (init_reg_sets_1): Add prototype.
1456 (init_reg_modes): Likewise.
1458 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
1460 * c-common.c: Change warning messages to say `comparison is
1461 always true' or `comparison is always false' instead of the
1462 confusing `is always 0', `is always 1'.
1464 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
1466 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
1467 break instead of return (which loses closing '>').
1469 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
1471 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
1472 standard 387 constants.
1474 * i386.md (jump): Explicitly set "memory" attribute.
1475 (indirect_jump, prologue_set_stack_ptr): Likewise.
1476 (prologue_get_pc_and_set_got, pop): Likewise.
1477 (allocate_stack_worder, blockage, return_internal): Likewise.
1478 (return_pop_internal, nop): Likewise.
1479 (epilogue_set_stack_ptr, leave): Likewise.
1481 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
1483 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
1485 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1487 * reload1.c (reload_reg_free_for_value_p):
1488 Early auto_inc reloads don't conflict with outputs.
1490 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1492 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
1493 Instead call AC_HEADER_SYS_WAIT.
1495 * collect2.c: Don't provide defaults for sys/wait.h macros.
1497 * protoize.c: Likewise. Also, don't include sys/wait.h.
1499 * system.h: Include sys/wait.h and provide macro defaults.
1501 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1503 * Makefile.in (mandir): Set to @mandir@.
1504 (man1dir): New variable to hold the former value of $(mandir).
1505 Replace all uses of $(mandir) by $(man1dir).
1507 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
1509 * reload.c (find_reloads_address_part): If have a CONST_INT, create
1510 a new one before passing it to force_const_mem.
1512 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
1513 find_reloads_address call.
1515 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1517 * expr.c (store_expr): Don't generate load-store pair
1518 if TEMP is identical (according to ==) with TARGET.
1520 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1522 * reload1.c (reload_reg_free_for_value_p): When considered reload
1523 has an output, matching inputs are not sufficient to avoid conflict.
1525 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
1527 * hash.h (hash_table_key): New type.
1528 (hash_entry): Change `string' field to generic `key'.
1529 (hash_table): Add `comp' and `hash' functions.
1530 (hash_table_init): Take them as input.
1531 (hash_table_init_n): Likewise.
1532 (hash_lookup): Modify for generic keys.
1533 (hash_newfunc): Likewise.
1534 (hash_traverse): Likewise.
1535 (string_hash): New function.
1536 (string_compare): Likewise.
1537 (string_copy): Likewise.
1538 * hash.c (hash_table_init_n): Modify for generic keys.
1539 (hash_table_init): Likewise.
1540 (hash_lookup): Likewise.
1541 (hash_newfunc): Likewise.
1542 (hash_traverse): Likewise.
1543 (string_hash): Split out from hash_lookup.
1544 (string_compare): New function.
1545 (string_copy): Split out from hash_lookup.
1546 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
1548 (symbol_hash_lookup): Likewise.
1549 (file_hash_newfunc): Likewise.
1550 (file_hash_lookup): Likewise.
1551 (demangled_hash_newfunc): Likewise.
1552 (demangled_hash_lookup): Likewise.
1553 (tlink_int): Likewise.
1554 (read_repo_file): Likewise.
1555 (recompile_files): Likewise.
1556 (demangle_new_symbols): Likewise.
1557 (scan_linker_output): Likewise.
1559 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1561 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
1563 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
1565 * rs6000.c (output_mi_thunk): Improve test for local branch.
1567 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1569 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
1571 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1573 * reload1.c (reload_reg_free_before_p): Delete.
1574 Changed all callers to use reload_reg_free_for_value_p instead.
1575 (reload_reg_free_for_value_p): Handle more reload types.
1576 A RELOAD_FOR_INPUT doesn't conflict with its
1577 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
1578 Add special case for OUT == const0_rtx.
1579 Added ignore_address_reloads argument. Changed all callers.
1581 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1583 * toplev.c (compile_file): Don't pedwarn about undefined static
1584 functions just because we passed -Wunused.
1586 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1588 * function.c (purge_addressof_1): Unshare rtl created by
1591 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1593 * regmove.c (regmove_optimize): Don't do anything but
1594 optimize_reg_copy[123] when flag_regmove is not set.
1596 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
1598 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
1599 value in paradoxical SImode result, rather than truncating midpoint.
1601 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
1603 * alpha.c (reg_not_elim_operand): New.
1604 * alpha.h (PREDICATE_CODES): Add it.
1605 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
1606 for the multiplicand.
1608 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
1610 * rs6000.md (movsf): Remove explicit secondary-reload-like
1611 functionality. Only truncate SFmode store if in FPR.
1612 (movsf splitters): Combine const_double splitters.
1613 (movsf_hardfloat): Add GPR support.
1615 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
1617 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
1618 deprecate -mlive-g0 and -mbroken-saverestore.
1619 * t-splet (MULTILIB_OPTIONS): Likewise.
1621 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
1622 in a leaf function. Clarify total_size/extra_size relationship.
1624 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
1626 * i386/cygwin32.asm: Delete.
1627 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
1628 * i386/cygwin32.h: Delete.
1629 * i386/cygwin.h: New file, renamed from cygwin32.h.
1630 * i386/t-cygwin32: Delete.
1631 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
1632 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
1633 * i386/x-cygwin32: Delete.
1634 * i386/x-cygwin: New file, renamed from x-cygwin32.
1635 * i386/xm-cygwin32: Delete.
1636 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
1637 renamed cygwin_ funcs for path translations.
1638 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
1639 * i386/winnt.c: Remove "32" from comment about cygwin.
1640 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
1641 * rs6000/cygwin32.h: Delete.
1642 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
1643 -D__CYGWIN__ to CPP_PREDEFINES.
1644 * rs6000/x-cygwin32: Delete.
1645 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
1646 * rs6000/xm-cygwin32: Delete.
1647 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
1649 * configure.in: Check for cygwin* instead of cygwin32. Account
1650 for the rename of cygwin-related config files to lose the "32"s.
1651 * configure: Regenerate.
1653 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
1654 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
1656 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
1658 * Makefile.in (JAVAGC): New macro.
1659 * configure: Rebuilt.
1660 * configure.in: Recognize --enable-java-gc argument. Subst
1663 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1665 Handle equivalences that have been obscured by gcse:
1667 * reload1.c (reload): Handle equivalences set up in multiple places.
1668 * local-alloc.c (reg_equiv_init_insns): New variable.
1669 (no_equiv): New function.
1670 (update_equiv_regs): Handle equivalences set up in multiple places.
1671 Don't ignore an insn just because its destination is likely to be
1674 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
1676 * except.c (expand_eh_return): Readd force_operand call lost in
1679 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
1681 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
1683 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1685 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
1687 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1689 * regmove.c (regmove_optimize): Fix error in last change.
1691 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
1693 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
1694 offset in the .mask pseudo to compensate for frame pointer adjustments.
1695 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
1696 word swap arguments moved to/from FP registers.
1697 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
1699 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
1701 * version.c: Bump for snapshot.
1703 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
1705 * version.c: Bump for snapshot.
1707 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
1709 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
1710 times, then it can not be completely replaced.
1712 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
1714 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
1716 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1718 * gansidecl.h: Prepend a "G" to the macro wrapping this file
1719 (to distinguish it from the macro wrapping ansidecl.h.)
1720 Include libiberty's ansidecl.h. Remove all redundant definitions.
1721 Define the PROTO() style macros in terms of the PARAMS() ones.
1724 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
1725 __STDC__, when deciding whether to use ANSI variable args.
1726 (emit_library_call_value): Likewise.
1728 * cccp.c (error): Likewise.
1729 (warning): Likewise.
1730 (error_with_line): Likewise.
1731 (warning_with_line): Likewise.
1732 (pedwarn): Likewise.
1733 (pedwarn_with_line): Likewise.
1734 (pedwarn_with_file_and_line): Likewise.
1737 * cexp.y (error): Likewise.
1738 (pedwarn): Likewise.
1739 (warning): Likewise.
1741 * collect2.c (fatal_perror): Likewise.
1745 * combine.c (gen_rtx_combine): Likewise.
1747 * cpperror.c (cpp_message): Likewise.
1748 (cpp_fatal): Likewise.
1750 * cpplib.c (cpp_error): Likewise.
1751 (cpp_warning): Likewise.
1752 (cpp_pedwarn): Likewise.
1753 (cpp_error_with_line): Likewise.
1754 (cpp_warning_with_line): Likewise.
1755 (cpp_pedwarn_with_line): Likewise.
1756 (cpp_pedwarn_with_file_and_line): Likewise.
1758 * cpplib.h: Don't define PARAMS() macro.
1760 * demangle.h: Likewise.
1762 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
1763 when deciding whether to use ANSI variable args.
1765 * emit-rtl.c (gen_rtx): Likewise.
1766 (gen_rtvec): Likewise.
1768 * final.c (asm_fprintf): Likewise.
1770 * fix-header.c (cpp_message): Likewise.
1772 (cpp_fatal): Likewise.
1774 * gcc.c (concat): Likewise.
1778 * genattr.c (fatal): Likewise.
1780 * genattrtab.c (attr_rtx): Likewise.
1781 (attr_printf): Likewise.
1784 * gencodes.c (fatal): Likewise.
1786 * genconfig.c (fatal): Likewise.
1788 * genemit.c (fatal): Likewise.
1790 * genextract.c (fatal): Likewise.
1792 * genflags.c (fatal): Likewise.
1794 * genopinit.c (fatal): Likewise.
1796 * genoutput.c (fatal): Likewise.
1799 * genpeep.c (fatal): Likewise.
1801 * genrecog.c (fatal): Likewise.
1803 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
1804 deciding whether to declare `tree_node' and `rtx_def'.
1806 * hash.h: Don't define stuff we get from gansidecl.h.
1808 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
1809 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1810 whether to use ANSI variable args.
1813 * prefix.c (concat): Likewise.
1817 * system.h: Likewise.
1819 * toplev.c (error_with_file_and_line): Likewise.
1820 (error_with_decl): Likewise.
1821 (error_for_asm): Likewise.
1824 (warning_with_file_and_line): Likewise.
1825 (warning_with_decl): Likewise.
1826 (warning_for_asm): Likewise.
1827 (warning): Likewise.
1828 (pedwarn): Likewise.
1829 (pedwarn_with_decl): Likewise.
1830 (pedwarn_with_file_and_line): Likewise.
1832 (really_sorry): Likewise.
1834 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
1835 whether to declare `tree_node' and `rtx_def'.
1837 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
1838 deciding whether to use ANSI variable args.
1839 (build_nt): Likewise.
1840 (build_parse_node): Likewise.
1842 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
1844 * version.c: Bump for snapshot.
1846 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1848 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
1850 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
1852 * collect2.c (main, case 'b'): Use else if.
1854 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1856 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
1857 Arrange to include gansidecl.h in {ht}config.h & tm.h just
1858 before the config/ directory headers.
1859 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
1860 gansidecl.h in the list of dependencies.
1862 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
1863 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
1864 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
1865 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
1866 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
1867 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
1870 * cccp.c: Don't include gansidecl.h.
1872 * collect2.c: Likewise.
1873 * config/c4x/c4x.c: Likewise.
1874 * config/v850/v850.h: Likewise.
1875 * cppalloc.c: Likewise.
1876 * cpperror.c: Likewise.
1877 * cppexp.c: Likewise.
1878 * cppfiles.c: Likewise.
1879 * cpphash.c: Likewise.
1880 * cpplib.c: Likewise.
1881 * cppmain.c: Likewise.
1882 * cppulp.c: Likewise.
1883 * demangle.h: Likewise.
1884 * doprint.c: Likewise.
1885 * dyn-string.c: Likewise.
1886 * eh-common.h: Likewise.
1887 * fix-header.c: Likewise.
1888 * frame.c: Likewise.
1891 * gen-protos.c: Likewise.
1892 * gencheck.c: Likewise.
1893 * halfpic.h: Likewise.
1895 * machmode.h: Likewise.
1896 * mbchar.c: Likewise.
1897 * prefix.c: Likewise.
1898 * protoize.c: Likewise.
1899 * recog.h: Likewise.
1901 * scan-decls.c: Likewise.
1903 * varray.h: Likewise.
1905 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
1907 * i386.md (call_value_pop): If we're not popping anything,
1908 defer to call_value.
1909 (call_pop): Likewise defer to call.
1911 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
1913 * function.c (purge_addressof): Clear purge_addressof_replacements
1914 only after processing the whole function.
1916 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
1918 * reload1.c (reload): If we can not perform a particular elimination
1919 when we thought we could earlier, then we must always iterate through
1920 the loop at least one more time.
1922 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
1924 * alpha.c (add_operand): Simplify the CONST_INT match.
1925 (sext_add_operand): Correct typo in comparison by using
1926 CONST_OK_FOR_LETTER_P.
1927 * alpha.md (s?addq): Use sext_add_operand to allow the negative
1928 constant alternatives to be generated.
1929 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
1930 small constants, since the hw instructions do.
1932 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1934 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
1935 previous insn to store directly into our reload register, make sure
1936 that if the source of the previous insn is a reload register, its
1937 spill_reg_store and spill_reg_stored_to values are cleared.
1939 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
1941 * rs6000.md (floatunssidf2_internal splitter): Use base register
1942 operand, not hard-coded SP.
1944 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1946 * jump.c (calculate_can_reach_end): Fix thinko.
1948 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
1950 * reorg.c (fill_simple_delay_slots): Fix typo.
1952 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
1954 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
1956 * i386.md (extendsidi2): Use # in the output template.
1957 (extendsidi splitters): New splitters.
1959 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
1961 * configure.in: Use unknown-elf.h as tm_file for arm-elf
1963 * configure: Regenerate.
1965 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1967 * jump.c (init_label_info, delete_barrier_successors,
1968 mark_all_labels, delete_unreferenced_labels,
1969 delete_noop_moves, calculate_can_reach_end): New functions broken
1970 out of jump_optimize.
1971 (jump_optimize): Use them.
1973 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1975 * except.c (expand_fixup_region_end): Make sure outer context labels
1976 are not issued in an inner context during cleanups.
1978 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
1980 * alpha.md (addsi3, subsi3): No new temporaries once cse is
1983 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
1985 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
1986 to expose this midpoint to CSE.
1988 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1990 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
1992 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1994 * configure.in: Bring over gcc2 change of Nov 19 1997.
1996 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
1998 * toplev.c (output_lang_identify): Make definition dependent on
1999 ASM_IDENTIFY_LANGUAGE.
2001 * print-rtl.c (spaces): Make static.
2003 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
2005 * extend.texi: Clarify proper uses for register clobbers in asms.
2007 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2009 * recog.h (enum op_type): Define.
2010 (constrain_operands): Adjust prototype.
2011 (recog_op_type): Declare new variable.
2012 * recog.c (recog_op_type): New variable.
2013 (insn_invalid_p): Allow modifying an asm statement after reload.
2014 (extract_insn): Set up recog_op_type.
2015 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
2016 Don't compute operand types, use recog_op_type.
2017 Use the information computed by extract_insn instead of the previous
2018 method of finding it by insn code number.
2019 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
2020 * reorg.c (fill_slots_from_thread): Likewise.
2021 * reload1.c (reload_as_needed): Likewise.
2022 (gen_reload): Likewise.
2023 (inc_for_reload): Likewise.
2024 (reload_cse_simplify_operands): Likewise.
2025 Use the information computed by extract_insn instead of the previous
2026 method of finding it by insn code number.
2027 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
2029 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
2030 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
2031 Use the information computed by extract_insn instead of the previous
2032 method of finding it by insn code number.
2033 * regmove.c (find_matches): Likewise. Change meaning of the return
2034 value to be nonzero if the optimization can be performed, zero if
2035 not. All callers changed.
2036 Shorten some variable names to fix formatting problems.
2037 (regmove_optimize): Shorten some variable names to fix formatting
2039 Use the information computed by extract_insn instead of the previous
2040 method of finding it by insn code number.
2041 * regclass.c (scan_one_insn): Likewise.
2042 (record_reg_classes): Don't compute operand types, use recog_op_type.
2043 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
2044 recog_constraints instead.
2046 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
2048 * rtl.h (flow2_completed): Declare.
2049 * flow.c (flow2_completed): Definition.
2050 * toplev.c (rest_of_compilation): Set and clear flow2_completed
2053 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2055 * Makefile.in (libcpp.a): Ranlib libcpp.a
2057 * cppulp.c (user_label_prefix): Initialize.
2059 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
2061 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
2062 at a RETURN if current_function_sp_is_unchanging is set.
2064 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2066 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
2068 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
2070 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
2071 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
2072 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
2073 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
2074 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
2075 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
2077 (LIB_SPEC): Handle -mno-cyginw option.
2078 (LINK_SPEC): Handle -mdll.
2080 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2082 * reload.c (find_reloads): Fix test for usage by other reload
2083 to handle secondary reloads properly.
2085 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2087 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
2088 intermediate structure which has exactly the members provided by
2089 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
2090 static intermediate structure.
2092 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
2093 from the intermediate structure. Do the same analogous fix in
2094 the case where ELIMINABLE_REGS is not defined.
2096 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
2098 * pa.h (SELECT_SECTION): Fix thinko.
2100 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
2102 * dwarf2out.c (output_call_frame_info): Comments on last change.
2104 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
2106 * arm.c (add_constant): When taking the address of an item in the
2107 pool, get the mode of the item addressed.
2109 * arm.c (final_prescan_insn case INSN): If an insn doesn't
2110 contain a SET or a PARALLEL, don't consider it for conditional
2113 Restore ABI compatibility for NetBSD.
2114 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
2116 (RETURN_IN_MEMORY): Likewise.
2118 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
2120 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
2121 (m32r_output_block_move): Rewrite bytes < 4 handling.
2123 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2125 * configure.in: Call AC_FUNC_VFORK.
2127 * collect2.c: Define VFORK_STRING as a printable string for
2128 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
2129 defined, include vfork.h. If VMS is defined, define vfork()
2130 appropriately. Remove vfork check on USG, we're using autoconf.
2131 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
2132 checking locally what string to pass.
2133 (scan_prog_file): Likewise.
2134 (scan_libraries): Likewise.
2136 * gcc.c: Remove vfork check on USG, we're using autoconf.
2137 Besides, no calls to vfork/fork occur in this file.
2139 * protoize.c: Likewise.
2141 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2143 * configure.in (DEFAULT_LINKER): renamed from LD
2144 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
2145 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
2146 * configure: rebuilt
2148 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2150 * BUGS: fix the regexp for `more' to find the appropriate node.
2151 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
2153 * BUGS: added link to the WWW FAQ
2155 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
2157 * version.c: Bump for snapshot.
2159 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
2161 * From Christian Gafton:
2162 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
2163 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
2164 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
2166 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
2168 * c-common.c (c_get_alias_set): Allow all type-punning through
2169 unions. Don't get confused about the type of a bit-field, despite
2170 the antics of build_modify_expr.
2172 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
2174 * fixinc.sco: Paramaterize #include_next values.
2175 * fixinc/fixinc.sco: Likewise.
2177 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
2179 * toplev.c (rest_of_compilation): No longer set reload_completed.
2180 * reload1.c (reload): Set it here. Perform instruction splitting
2181 after reload has completed if we will be running the scheduler
2184 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
2186 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
2187 EH region if exceptions are enabled and we're performing cross
2189 (find_cross_jump): Exit loop if the insns are in different EH regions.
2191 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
2193 * dwarf2out.c (output_call_frame_info): Use
2194 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
2196 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2198 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
2199 * c-common.c (check_format_info): Don't check for the 'x'
2200 format character twice, instead check for 'x' and 'X'
2202 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
2204 * configure.in (assembler features): Also make gas is configured if
2205 we find it in the souce tree.
2207 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
2209 * i386.c (i386_comp_type_attributes): Compare whether the
2210 attributes are defined, not their tree nodes.
2212 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2214 * configure.in (gxx_include_dir): bitten by autoconf quoting
2216 * configure: rebuilt
2218 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2220 * configure.in: Ignore non-absolute value in $AS.
2222 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
2224 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
2226 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
2228 * configure.in (msdosdjgpp): Set exeext and target_alias.
2230 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2232 * flow.c (XNMALLOC): New macro.
2233 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
2235 (add_edge, add_edge_to_label): New static functions.
2236 (free_bb_memory): New function.
2237 (flow_delete_insn): Delete function.
2238 (basic_block_drops_in): Delete variable.
2239 (find_basic_blocks): Allocate and initialize basic_block_head,
2240 basic_block_succ. Don't allocate basic_block_drops_in.
2241 Call free_bb_memory at the beginning.
2242 (find_basic_blocks_1): Don't do multiple passes.
2243 Delete code to compute basic_block_drops_in.
2244 After calling make_edges, mark blocks reached by current block live.
2245 Update test for unreachable live blocks.
2246 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
2248 Simplify to call add_edge_to_label when a LABEL_REF is found.
2249 (make_edges): Simplify to call add_edge_to_label instead of
2250 mark_label_ref most of the time.
2251 Compute here whether control drops into the next block.
2252 (delete_unreachable_blocks): Return void. All callers changed.
2253 Delete unreachable blocks in reverse order.
2254 After deleting all unreachable blocks, renumber the remaining ones
2255 and update n_basic_blocks.
2256 (delete_block): Speed up deletion a bit.
2257 Don't set basic_block_drops_in for deleted blocks.
2258 (free_basic_block_vars): Don't free basic_block_drops_in.
2259 (life_analysis_1): Update to use new edge representation.
2260 (dump_flow_info): Delete code to print basic block info; call
2261 dump_bb_data instead.
2262 (compute_preds_succs): Delete code to recompute basic_block_drops_in
2263 and uid_block_number.
2264 Simply copy the previously computed cfg.
2265 (dump_bb_data): New arg LIVE_INFO. All callers changed.
2266 Print register lifetime information if LIVE_INFO is nonzero.
2267 * basic-block.h (dump_bb_data): Adjust prototype.
2268 * gcse.c (gcse_main): Update call to dump_bb_data.
2269 * rtl.h (free_bb_memory): Declare.
2270 * toplev.c (rest_of_compilation): Call free_bb_memory.
2272 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
2273 (update_eliminable_offsets): Don't compute it.
2274 (set_initial_elim_offsets): Don't initialize it.
2275 Break out some code into set_initial_label_offsets so the rest of
2276 this function can be called from reload_as_needed.
2277 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
2278 ELIMINABLE_REGS isn't.
2279 (set_initial_label_offsets): New function, broken out of
2280 set_initial_elim_offsets.
2281 (set_offsets_for_label): New function, broken out of set_label_offsets
2282 and reload_as_needed.
2283 (reload): Call the two new functions.
2284 (reload_as_needed): Call set_initial_elim_offsets instead of
2285 duplicating the code. Likewise for set_offsets_for_label.
2287 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
2288 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
2289 any hard reg, reg_reloaded_dead contains valid data.
2291 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
2293 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
2294 "stdcall" and "cdecl" attributes.
2296 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
2298 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
2299 handle deleted no-op moves of hard registers.
2300 * haifa-sched.c (update_flow_info): Likewise.
2302 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
2304 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
2305 of the sequences to reload the HILO register which do not actually
2308 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
2310 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
2312 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2314 * except.c (emit_eh_context): Make the EH context register stay alive
2315 at -O0 so stupid.c doesn't get confused.
2317 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2319 * emit-rtl.c (try_split): Do not try to split a BARRIER.
2321 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
2322 Jeffrey A Law (law@cygnus.com)
2324 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
2325 (zero_extendsidi2): Use # in output template and handle completely by
2327 (zero_extend splitters): New define_splits.
2328 (ashiftrt_32): New pattern.
2330 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2332 * tree.c (append_random_chars): New fn.
2333 (get_file_function_name_long): Use it.
2335 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
2337 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
2338 (LIBCPP_OBJS): New. Add cppulp.o.
2339 (cppmain, fix-header): Depend on and use libcpp.a.
2340 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
2341 of the individual object files.
2342 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
2345 * cccp.c (user_label_prefix): New.
2346 (main): Set it off -f*leading-underscore.
2347 (special_symbol): Use it.
2348 * cpplib.c (special_symbol): Likewise.
2349 (cpp_handle_option): Handle -f*leading-underscore.
2350 * cppulp.c: New file.
2352 * output.h (user_label_prefix): Declare it.
2353 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
2354 * toplev.c (f_options, main): Handle -f*leading-underscore.
2356 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
2357 referencing USER_LABEL_PREFIX directly.
2358 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
2359 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
2360 * final.c (asm_fprintf): Use user_label_prefix instead.
2361 * arm/thumb.c (thumb_print_operand): Likewise.
2363 * gcc.c (default_compilers): Pass -f*leading-underscore on to
2364 cpp wherever appropriate.
2366 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
2368 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
2369 specific compiler switches.
2371 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
2373 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
2376 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2378 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
2379 structure which has exactly the members provided by EXTRA_SPECS.
2380 Xmalloc() the real `extra_specs', and initialize it from this
2381 intermediate structure.
2383 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
2385 * mips.h (EXTRA_SPECS): Likewise.
2387 * sparc.h (EXTRA_SPECS): Likewise.
2389 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2391 * function.c (purge_addressof_1): Instead of aborting when a
2392 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
2393 work just put the ADDRESSOF on stack. Otherwise remember all such
2394 successfull replacements, so that exactly the same replacements
2395 can be made on the REG_NOTEs. Remove the special case for CALL
2397 (purge_addressof_replacements): New variable.
2398 (purge_addressof): Clear it at end.
2400 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2402 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
2403 (lang_init): Call check_newline always.
2404 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
2405 cpp_start_read, set yy_cur and yy_lim to read from
2406 parse_in.token_buffer, so that we'll see the first #line
2408 * cpplib.c (cpp_start_read): finclude the main input file
2409 before processing -include/-imacros. Process -imacros and
2410 -include separately, and handle -include by stacking a
2411 buffer for the file in question as if it'd been #included.
2412 * toplev.c (documented_lang_options) Recognize -H when
2415 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2417 * cpplib.c: Merge do_once into do_pragma. Break file handling
2418 code out of do_include.
2419 Move append_include_chain, deps_output,
2420 file_cleanup, redundant_include_p, import_hash,
2421 lookup_import, add_import, read_filename_string, read_name_map,
2422 open_include_file, finclude, safe_read to cppfiles.c.
2423 Move prototypes for deps_output, append_include_chain,
2424 finclude to cpplib.h. Move definition of struct
2425 file_name_list there also.
2427 * cppfiles.c: New file. Contains all the above functions
2428 broken out of cpplib.c; also hack_vms_include_specification
2429 from cccp.c and find_include_file, a new function broken out of
2432 * Makefile.in (cppmain): Depend on cppfiles.o.
2433 (fix-header): Likewise.
2434 (cppfiles.o): New target.
2435 * configure.in (--enable-c-cpplib): Add cppfiles.o to
2436 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
2438 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
2440 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
2441 if pending_types is non-zero.
2442 (dwarfout_finish): Verify pending_types is zero before finishing.
2444 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
2446 * expr.c (convert_move): Use shifts to perform the move if a
2447 suitable extend pattern cannot be found. Code written by
2448 Richard Henderson <rth@cygnus.com>.
2450 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2452 * regclass.c (renumber, regno_allocated): New static variables, moved
2453 out of allocate_reg_info.
2454 (allocate_reg_info): Move these two variables outside the function.
2455 Move code to free memory into new function free_reg_info.
2456 (free_reg_info): New function, broken out of allocate_reg_info.
2457 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
2458 * rtl.h (allocate_reg_info): Don't declare.
2459 (free_reg_info): Declare.
2461 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
2463 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
2465 * toplev.c (compile_file): Temporarily revert last change.
2467 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
2469 * c-typeck.c (convert_for_assignment): Parenthesize.
2471 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2473 * reload1.c (delete_output_reload): Avoid ambigous else.
2475 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
2477 * toplev.c (compile_file): Call allocate_reg_info to free register
2479 * rtl.h (allocate_reg_info): Declare.
2481 * PROJECTS: Remove entry for local spilling.
2483 * final.c (cleanup_subreg_operands): New function.
2484 (final_scan_insn): Use it.
2485 (alter_subreg): Clear the "used" field when we turn a SUBREG into
2487 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
2488 operands when reload has finished.
2489 * reload.h (cleanup_subreg_operands): Declare..
2490 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
2491 reload. Handled in reload itself.
2493 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2495 * reload1.c (verify_initial_offsets): New function.
2496 (reload): Call it after reload_as_needed. Also verify that the frame
2497 size stays constant during reload_as_needed.
2498 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
2500 * reload.h (struct insn_chain): Add need_operand_change element.
2501 * reload1.c (new_insn_chain): Clear it.
2502 (calculate_needs_all_insns): Set it; don't overload need_reload.
2503 (reload_as_needed): Use it.
2505 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
2506 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
2507 and reload_address_index_reg_class.
2508 (find_reloads_address_1): Likewise.
2509 * reload.h (reload_address_base_reg_class,
2510 reload_address_index_reg_class): Don't declare.
2511 * reload1.c (reg_old_renumber, pseudo_previous_regs,
2512 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
2513 (used_spill_regs): Now static.
2514 (reload_address_base_reg_class, reload_address_index_reg_class,
2515 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
2516 basic_block_needs, max_needs, group_size, group_mode, max_groups,
2517 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
2520 (init_reload): Delete code to compute base/index reg classes.
2521 (reload): Delete variable J.
2522 Delete code to manage basic_block_needs.
2523 Don't compute regs_explicitly_used.
2524 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
2525 pseudo_previous_regs.
2526 Initialize bad_spill_regs_global.
2527 Don't call order_regs_for_reload here.
2528 Don't initialize spill_reg_order and n_spills.
2529 Don't forbid explicitly used regs to be used for spill regs.
2530 Change main loop to infinite loop, with explicit break statements.
2531 Make SOMETHING_CHANGED variable local to that loop.
2532 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
2533 max_groups_insn, max_nongroups_insn, group_size, group_mode.
2534 Make sure spilled_speudos is cleared before calling spill_hard_reg or
2536 Don't call dump_needs.
2537 Delete code to reset potential_reload_regs.
2538 Delete code to terminate loop conditional on the global needs variables
2539 showing no further needs.
2540 (calculate_needs_all_insns): Return void. All callers changed.
2541 Initialize somehing_needs_elimination here, not in reload.
2542 Delete avoid_return_reg kludge.
2543 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
2544 All callers changed.
2545 Initialize the group_mode and group_size elements of the arg CHAIN.
2546 Delete code to manage basic_block_needs.
2547 Operate on elements of CHAIN instead of global variables.
2548 Delete avoid_return_reg kludge.
2549 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
2550 All callers changed.
2551 Operate on elements of CHAIN instead of global variables.
2552 Delete special SMALL_REGISTER_CLASSES code.
2553 Delete spill_failure code; now in new_spill_reg.
2554 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
2555 All callers changed.
2556 Operate on elements of CHAIN instead of global variables.
2557 (maybe_mark_pseudo_spilled): New static function.
2558 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
2559 All callers changed.
2560 Operate on elements of CHAIN instead of global variables.
2561 Call order_regs_for_reload here, not in reload.
2562 Initialize spill_reg_order and n_spills.
2563 Simplify test whether an asm insn is involved.
2564 Delete spill_failure code; now in new_spill_reg.
2565 Call maybe_mark_pseudo_spilled for everything marked as live in
2566 CHAIN. Merge CHAIN's used_spill_regs into the global variable
2568 (dump_needs): Take CHAIN arg. No longer static, to prevent the
2569 compiler from optimizing this function (now unused) away.
2570 Operate on elements of CHAIN instead of global variables.
2571 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
2573 Operate on elements of CHAIN instead of global variables.
2574 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
2575 take CHAIN arg. All callers changed.
2576 Operate on elements of CHAIN instead of global variables.
2577 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
2578 CHAIN, NONGROUP args. Return void. All callers changed.
2579 Verify caller isn't trying to spill a pseudo.
2580 Simplify test for illegal reg, just use bad_spill_regs.
2581 Generate better error messages.
2582 Operate on elements of CHAIN instead of global variables.
2583 Mark spilled register in CHAIN's used_spill_regs element.
2584 Don't call spill_hard_reg.
2585 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
2586 Mark spilled hard regs in bad_spill_regs_global.
2587 Mark affected pseudos in spilled_pseudos, but don't spill them.
2588 (ior_hard_reg_set): New static function.
2589 (finish_spills): Return int. All callers changed.
2590 Compute spill_reg_order, n_spills and spill_regs here. Also update
2591 regs_ever_live for regs used as spills.
2592 For every pseudo in spilled_pseudos, spill it and mark the previous
2593 hard reg it had in pseudo_previous_regs. Compute which hard regs
2594 arseudo): New static function.
2595 (order_regs_for_reload): Take CHAIN arg. All callers changed.
2596 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
2597 hard registers explicitly used across the current insn into the set.
2598 Compute hard_reg_n_uses taking only pseudos live across this insn
2600 Tweak sorting of potential_reload_regs.
2601 (compare_spill_regs): Delete function.
2602 (reload_as_needed): Don't sort the spill_regs array, it's computed
2603 in proper order in finish_spills.
2604 Delete avoid_return_reg kludge.
2605 Delete code to manage basic_block_needs.
2606 (allocate_reload_reg): Minor speed/readability tweaks.
2607 Operate on elements of CHAIN instead of global variables.
2608 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
2609 Delete avoid_return_reg kludge.
2610 Initialize reload_reg_used from CHAIN's used_spill_regs element.
2611 Delete unused label FAIL.
2612 (reload_combine): Replce reload_address_index_reg_class with
2614 Don't use used_spill_regs to determine information about lifetime of
2617 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
2619 * toplev.c (display_help): Ignore empty target specific
2620 options, and if -W is also specified on the command line then
2621 display undocumented options.
2623 * config/arm/arm.c: Updated with changes in devo sources.
2624 * config/arm/arm.h: Updated with changes in devo sources.
2625 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
2626 * config/arm/lib1thumb.asm: Add ELF support.
2628 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2630 * collect2.c (aix64_flag): New variable.
2631 (main, case 'b'): Parse it.
2632 (GCC_CHECK_HDR): object magic number must match mode.
2633 (scan_prog_file): Only check for shared object if valid header.
2634 Print debugging if header/mode mismatch.
2636 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
2638 Added support for arm-elf-linux configuration, submitted by Philip
2639 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
2640 code developed by Catherine Moore <clm@cygnus.com>. The following
2643 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
2646 * configure: Regenerated.
2648 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
2649 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
2650 definitions conditional on their not having been already defined.
2652 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
2653 and .type directives, and add "(PLT)" qualification to function
2656 * config/arm/linux.h: Deleted. This file is now superceeded by
2657 either linux-elf.h or linux-aout.h.
2659 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
2660 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
2662 Move definitions from old linux.h file here.
2664 * config/arm/elf.h: New file. Generic ARM/ELF support.
2666 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
2668 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
2670 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
2671 using the 26bit APCS.
2673 * config/arm/unknown-elf.h: New file. Support for OS'es other
2674 than Linux with ELF.
2676 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
2679 * config/arm/coff.h: Include aout.h for basic assembler macros.
2680 Add support for -mstructure_size_boundary=<n> command line option.
2682 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
2683 command line option. Make macro definitions conditional on their
2684 not having been already defined.
2686 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
2687 command line option.
2690 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
2692 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
2693 has been changed to not include a newline. Use this macro instead.
2694 (output_enumeral_list, const_value_attribute, name_attribute,
2695 comp_dir_attribute, prototyped_attribute, producer_attribute,
2696 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
2697 dwarfout_file_scope_decl, generate_new_sfname_entry,
2698 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
2699 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
2701 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
2703 * combine.c (subst): Process the inputs to a parallel asm_operands
2706 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
2708 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
2710 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
2712 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
2714 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
2716 * version.c: Bump for snapshot.
2718 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2720 * stmt.c (expand_fixup): Set fixup->before_jump to a
2721 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
2723 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2725 * Makefile.in (recog.o): Depend on toplev.h.
2726 (insn-emit.o): Depend on recog.h.
2727 (insn-peep.o): Depend on recog.h and insn-config.h.
2729 * combine.c (simplify_set): Remove unused variable `scratches'.
2731 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
2732 and `idx' in macro conditional controlling their use.
2734 * genemit.c (main): Make the generated output file include
2735 recog.h. Don't have it declare `insn_operand_constraint', since
2736 we get it from recog.h.
2738 * genpeep.c (main): Make the generated output file include
2739 insn-config.h and recog.h.
2741 * recog.c: Include toplev.h.
2742 (extract_insn): Remove unused variable `p'.
2744 * regclass.c (fix_register): Add missing braces around initializer
2746 (allocate_reg_info): Move variable `i' into the scope where it is
2747 used. Change its type to `size_t'.
2749 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2751 * reload.c (push_reload): When merging reloads, make sure
2752 that reload_in_reg and reload_in are from the same reload in
2755 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
2757 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
2758 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2760 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
2762 * loop.c (loop_has_tablejump): New variable.
2763 (prescan_loop): Scan for it.
2764 (insert_bct): Replace explicit scan with use of it.
2765 * regclass.c (regclass): Restore loop variable j.
2766 (record_reg_classes): Deterine op_types modifiers and initialize
2767 classes[i] before matching constraints. Handle matching
2770 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
2772 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
2775 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2777 * mips.h (EXTRA_SPECS): Add missing initializers.
2779 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2781 * sparc.h (EXTRA_SPECS): Add missing initializers.
2782 (sparc_defer_case_vector): Provide a prototype.
2784 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
2785 comparing it to the result of a pointer subtraction.
2787 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2789 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
2790 the argument to (unsigned char).
2792 * alpha.h (EXTRA_SPECS): Add missing initializers.
2793 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
2796 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
2798 * flow.c (life_analysis_1): Enable "rescan" code after reload.
2799 (propagate_block): Delete dead code after reload.
2801 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
2802 back Oct 15, 1998 change.
2803 * haifa-sched.c (update_flow_info): Likewise.
2804 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
2806 * mn10200.md (truncated shift): Accept constant inputs too.
2808 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
2810 * machmode.h (mode_mask_array): No longer const.
2811 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
2813 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2815 * frame.c: Somewhat explain `FDE'.
2816 Suggested by Brendan Kehoe
2818 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
2820 * expr.c (pending_chain): Move up.
2821 (save_expr_status): Do save pending_chain.
2822 (restore_expr_status): And restore it.
2823 * function.h (struct function): Add pending_chain.
2825 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2827 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
2828 did not match the code.
2830 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2832 * regclass.c (regclass): Break out some code into new function
2833 scan_one_insn, and into regclass_init.
2834 (init_cost): New static variable, moved out of regclass.
2835 (regclass_init): Initialize it here, not in .
2836 (scan_one_insn): New static function, broken out of regclass.
2837 * recog.c (apply_change_group): Break out some code into new
2838 function insn_invalid_p.
2839 (insn_invalid_p): New static fn, broken out of apply_change_group.
2841 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
2843 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
2844 reg_reloaded_contents matches incremented pseudo.
2846 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
2848 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2850 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
2851 addressing modes with side effects. These are currently
2852 placeholders for the C4x target.
2854 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2856 * loop.c (express_from): Make sure that when generating a PLUS of
2857 a PLUS, any constant expression appears on the outermost PLUS.
2859 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
2861 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
2862 works if "$(srcdir)" != ".".
2864 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
2866 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
2867 existing SUBREG if we can, otherwise abort.
2869 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
2871 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
2872 `restrict' is applied to a non-pointer variable.
2874 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
2876 * invoke.texi: Document -flang-isoc9x.
2878 * Makefile.in (OBJS): Add splay-tree.o.
2879 (c-common.o): Depend on rtl.h.
2880 (splay-tree.o): List dependencies and provide build rule.
2882 * rtl.h (record_alias_subset): New function.
2883 * alias.c: Include splay-tree.h.
2884 (alias_set_entry): New type.
2885 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
2886 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
2887 (mems_in_disjoin_alias_sets_p): New function.
2888 (alias_set_compare): Likewise.
2889 (insert_subset_children): Likewise.
2890 (get_alias_set_entry): Likewise.
2892 * tree.h (TYPE_RESTRICT): New macro.
2893 (TYPE_UNQUALIFIED): New manifest constant.
2894 (TYPE_QUAL_CONST): Likewise
2895 (TYPE_QUAL_VOLATILE): Likewise.
2896 (TYPE_QUAL_RESTRICT): Likewise.
2897 (tree_type): Add restrict_flag. Reduce count of free bits.
2898 (DECL_POINTER_ALIAS_SET): New macro.
2899 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
2900 (tree_decl): Add pointer_alias_set.
2901 (build_qualified_type): New function.
2902 (build_type_variant): Define in terms of build_qualified_type.
2903 * tree.c (set_type_quals): New function.
2904 (make_node): Initializae DECL_POINTER_ALIAS_SET.
2905 (build_type_attribute_variant): Use build_qualified_type and
2907 (build_type_variant): Rename, and modify, to become...
2908 (build_qualified_type): New function.
2909 (build_complex_type): Use set_type_quals.
2911 * c-tree.h (C_TYPE_OBJECT_P): New macro.
2912 (C_TYPE_FUNCTION_P): Likewise.
2913 (C_TYPE_INCOMPLETE_P): Likewise.
2914 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
2915 (c_apply_type_quals_to_decl): New function.
2916 (c_build_qualified_type): New function.
2917 (c_build_type_variant): Define in terms of c_build_qualified_type.
2918 (flag_isoc9x): Declare.
2919 * c-typeck.c (qualify_type): Use c_build_qualified_type.
2920 (common_type): Change to use TYPE_QUALS.
2921 (comptypes): Likewise.
2922 (convert_for_assignment): Likewise.
2923 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
2924 * c-decl.c (flag_isoc9x): Define.
2925 (c_decode_option): Handle -flang-isoc9x.
2926 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
2927 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
2928 * c-lex.c (init_lex): Deal with restrict.
2929 (init_lex): Don't treat restrict as a reserved word in
2930 -traditional mode, or without -flang-isoc9x.
2931 * c-lex.h (rid): Add RID_RESTRICT.
2932 * c-parse.gperf (restrict, __restrict, __restrict__): Make
2933 equivalent to RID_RESTRICT.
2934 * c-parse.in (TYPE_QUAL): Update comment.
2935 * c-common.c: Include rtl.h.
2936 (c_find_base_decl): New function.
2937 (c_build_type_variant): Rename, and modify, to become ...
2938 (c_build_qualified_type): New function.
2939 (c_apply_type_quals_to_decl): Likewise.
2940 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
2941 a particular alias set for the reference.
2942 * toplev.c (documented_lang_options): Add -flang-isoc9x.
2944 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
2946 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
2947 command line switches.
2949 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
2951 * reload.c (loc_mentioned_in_p): Add missing braces to bind
2954 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
2956 * gcc.c (option_map): Added --classpath and --CLASSPATH.
2958 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
2960 * regclass.c (fix_register): Add error message.
2961 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
2964 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2966 * c-decl.c (warn_missing_noreturn): New global variable.
2967 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
2968 (finish_function): Implement missing noreturn warning.
2970 * c-tree.h (warn_missing_noreturn): Declare extern.
2972 * invoke.texi: Document new flags.
2974 * toplev.c (documented_lang_options): Add description.
2976 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2978 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
2979 loop optimization stable for the C4x.
2980 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
2981 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
2982 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
2984 (c4x_address_conflict): Be more paranoid when packing a volatile
2985 memref in a parallel load/store.
2987 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2989 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
2990 repeat_block_filler): Deleted.
2991 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
2992 Condition code not set if destination register from 'c' class.
2993 (*subbqi3_carry_clobber): Fix typo.
2995 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2997 * reorg.c (steal_delay_list_from_target) Check for insns that
2998 modify the condition codes and effect the direction of the jump
3001 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3003 * function.c (purge_addressof_1): Replace call to
3004 emit_insns_before() with emit_insn_before().
3006 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
3008 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
3010 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3012 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
3014 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3016 * gcse.c (compute_hash_table): Correctly identify hard regs which are
3017 clobbered across calls.
3019 * loop.c (scan_loop): Be more selective about what invariants are
3020 moved out of a loop.
3022 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
3024 * version.c: Bump for snapshot.
3026 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
3028 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
3029 static eh_context structure.
3031 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3033 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
3035 (try_combine): Don't update max_scratch.
3036 * flow.c (max_scratch, num_scratch): Delete variables.
3037 (life_analysis_1): Don't initialize max_scratch.
3038 (propagate_block): Don't update max_scratch.
3039 (mark_set_1): Don't increment num_scratch.
3040 * regs.h (max_scratch): Delete declaration.
3042 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
3044 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
3045 is nonzero. This is temporary!
3047 * sched.c (update_flow_info): Handle death notes made invalid by
3048 instruction splitting. Partially reverts Oct 15, 1998 patch.
3049 * haifa-sched.c (update_flow_info): Likewise.
3051 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
3053 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
3054 if it has a nonzero DECL_INITIAL.
3056 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3058 * Makefile.in (flow.o): Depend on recog.h.
3060 * cpplib.h (directive_table): Add missing initializiers.
3061 (finclude): Change type of variable `bsize' to size_t.
3063 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
3065 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
3067 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
3068 `int' when comparing against one.
3069 (cpp_file_line_for_message): Mark parameter `pfile' with
3071 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
3073 * flow.c: Include recog.h.
3074 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
3076 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
3077 `f' with ATTRIBUTE_UNUSED.
3078 (reposition_prologue_and_epilogue_notes): Likewise.
3080 * genopinit.c (gen_insn): Cast argument of ctype functions to
3083 * haifa-sched.c: Include recog.h.
3084 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
3085 comparing against one.
3087 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
3089 * mips-tfile.c (parse_end): Cast the argument of ctype function to
3091 (parse_ent): Likewise.
3092 (parse_input): Likewise.
3094 * optabs.c (init_libfuncs): Likewise.
3096 * protoize.c (find_rightmost_formals_list): Likewise.
3098 * recog.h (const_double_operand): Fix typo in prototype.
3100 * tlink.c (scan_linker_output): Cast the argument of ctype
3101 function to `unsigned char'.
3103 * toplev.c (check_lang_option): Cast the result of `strlen' to
3104 `int' when comparing against one.
3106 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
3108 * gcse.c (dump_cuid_table): Correct typo.
3110 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
3112 * toplev.c (display_help): Prepend '-m' to target specific
3114 (check_lang_option): Ignore text after end of first word of a
3115 language specific option.
3117 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3119 * reload1.c (reg_used_by_pseudo): New static variable.
3120 (choose_reload_regs): Initialize it.
3121 Use it instead of testing spill_reg_order to determine whether a
3122 pseudo is live in a hard register across the current insn.
3123 Fix a typo in a reference to reload_reg_rtx.
3125 * flow.c (propagate_block): Replace code that computes and uses
3126 regs_sometimes_live with simpler code that just walks the set of
3127 currently live registers.
3129 * Makefile.in (insn-extract.o): Fix dependencies.
3130 * genextract.c (main): Generate includes for insn-config.h and
3132 Delete generation of declarations which are now in recog.h.
3133 * genrecog.c (main): Delete generation of definitions which are
3135 * local-alloc.c (block_alloc): Use extract_insn and the variables
3136 it sets up instead of looking up values by insn_code.
3137 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
3138 recog_dup_num): Define here instead of generating the definition in
3140 (recog_n_operands, recog_n_dups, recog_n_alternatives,
3141 recog_operand_mode, recog_constraints, recog_operand_address_p):
3143 (extract_insn): New function.
3144 * recog.h (extract_insn): Declare function.
3145 (which_alternative, recog_n_operands, recog_n_dups,
3146 recog_n_alternatives, recog_operand_mode, recog_constraints,
3147 recog_operand_address_p): Declare variables.
3148 * regclass.c (n_occurrences): New static function.
3149 * reload.c (n_occurrences): Delete function.
3150 (find_reloads): Use extract_insn.
3151 * reload.h (n_occurrences): Delete declaration.
3153 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
3155 * reload1.c (reload_as_needed): Fix test for when to call
3156 update_eliminable_offsets.
3158 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3160 Fix consistency problems with reg_equiv_{mem,address};
3161 Improve reload inheritance;
3163 * reload.c (reload_out_reg): New variable.
3164 (loc_mentioned_in_p, remove_address_replacements): New functions.
3165 (remove_replacements): Deleted.
3166 (push_reload): Set reload_out_reg[i].
3167 When merging, also set reload_{in,out}_reg[i], and remove
3168 duplicate address reloads.
3169 (combine_reloads): Copy reload_out_reg[i].
3170 (find_reloads): Do make_memloc substitution also when
3171 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3173 Include *recog_operand_loc in commutativity operand changes.
3174 Generate optional output reloads.
3175 Delete reference to n_memlocs. Don't set *recog_operand_loc before
3176 processing operands. Call make_memloc in reg_equiv_address code.
3177 Set *recog_operand_loc only after processing operands, and only
3178 if replace is true. Return a value.
3179 When changing address reload types for operands that didn't get
3180 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
3181 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
3182 Don't emit USEs for pseudo SUBREGs when not replacing.
3183 (find_reloads_address): Do make_memloc substitution also when
3184 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
3186 (find_reloads_toplev): Likewise.
3187 Call make_memloc in reg_equiv_address code.
3188 (debug_reload_to_stream): Add code to output reload_out_reg.
3189 (make_memloc): Delete local variable i, ifdefed out code, and
3190 references to memlocs and n_memlocs.
3191 (memlocs, n_memlocs): Delete.
3192 (push_secondary_reload): Clear reload_out_reg.
3193 (find_reloads_address_1): Provide memrefloc argument to all calls
3194 to find_reloads_address.
3195 In AUTO_INC code, handle non-directly addressable equivalences properly.
3196 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
3197 (find_reloads): Add return type.
3198 (remove_address_replacements, deallocate_reload_reg): Declare.
3199 * reload1.c (num_not_at_initial_offset): No longer static.
3200 (delete_address_reloads, delete_address_reloads_1): Likewise.
3201 (deallocate_reload_reg): New function.
3202 (spill_reg_stored_to): New array.
3203 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
3204 (eliminate_regs_in_insn): Move assignments of previous_offset and
3205 max_offset fields, and recalculation of num_not_at_initial_offset
3206 into new static function:
3207 (update_eliminable_offsets) .
3208 (reload_as_needed): Call update_eliminable_offsetss after calling
3210 Call forget_old_reloads_1 with contents of reloaded auto_inc
3211 expressions if the actual addressing can't be changed to match the
3213 (choose_reload_regs): For inheritance, replace
3214 reload_reg_free_before_p test with reload_reg_used_at_all test, and
3215 remove stand-alone reload_reg_used_at_all test.
3216 Use reload_out_reg to determine which reload regs have output reloads.
3217 Treat reload_override_in more similar to inherited reloads.
3218 Handle (subreg (reg... for inheritance.
3219 For flag_expensive_optimizations, add an extra pass to remove
3220 unnecessary reloads from known working inheritance.
3221 Delete obsolete code for pseudos replaced with MEMs.
3222 Handle inheritance from auto_inc expressions.
3223 (emit_reload_insns): If reload_in is a MEM, set OLD to
3225 Don't reload directly from oldequiv; if it's a pseudo with a
3226 stack slot, use reload_in[j].
3227 Check that reload_in_reg[j] is a MEM before replacing reload_in
3228 from reg_reloaded_contents.
3229 Include non-spill registers in reload inheritance processing.
3230 Also try to use reload_out_reg to set spill_reg_store /
3231 reg_last_reload_reg.
3232 In code to set new_spill_reg_store, use single_set to find out if
3233 there is a single set.
3234 Add code that allows to delete optional output reloads.
3235 Add code to allow deletion of output reloads that use no spill reg.
3236 At the end, set reload_override_in to oldequiv.
3237 Also call delete_output_reload if reload_out_reg is equal to old
3239 Add code to call delete_output_reload for stores with no matching load.
3240 Set / use spill_reg_stored_to.
3241 Handle case where secondary output reload uses a temporary, but
3242 actual store isn't found.
3243 When looking for a store of a value not loaded in order to call
3244 delete_output_reload, count_occurences should return 0 for no
3245 loads; but discount inherited input reloadill_reg_stored_to.
3246 Do checks for extra uses of REG. Changed all
3248 Use delete_address_reloads.
3249 (reload): Take return value of find_reloads into account.
3250 If a no-op set needs more than one reload, delete it.
3251 (reload_reg_free_before_p): RELOAD_FOR_INPUT
3252 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
3253 for the same operand.
3254 (clear_reload_reg_in_use): Check for other reloads that keep a
3256 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
3257 RELOAD_FOR_OPADDR_ADDR.
3258 Take into account when an address address reload is only needed
3259 for the address reload we are considering.
3260 (count_occurrences): Use rtx_equal_p for MEMs.
3261 (inc_for_reload): Return instruction that stores into RELOADREG.
3262 New argument two, IN, and rtx. Changed all callers.
3263 (calculate_needs_all_insns, reload_as_needed):
3264 Don't clear after_call for a CLOBBER.
3265 Keep track of how many hard registers need to be copied from
3266 after_call, and don't clear after_call before we have seen
3267 that much copies, or we see a different instruction.
3269 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
3271 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
3272 after reload has completed.
3274 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
3276 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
3277 a macro name and the next token with a single blank if that whitespace
3278 is in a macro buffer and the next token is not '('.
3280 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
3282 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
3284 (skip_if_group): Ditto.
3285 (skip_to_end_of_comment): Ditto.
3287 (discard_comments): Ditto.
3288 (change_newlines): Ditto.
3290 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
3292 * c-lex.c (yylex): Fix unaligned access of wchar_t.
3294 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
3296 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
3297 (TARGET_OPTIONS): Add --help documentation.
3299 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3301 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
3303 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
3305 * fixinc/* Moved in from ../contrib directory in preparation
3306 for integrating it into the normal build process. In particular,
3307 fixinc/Makefile.in must be config-ed into the build directory
3308 as fixinc/Makefile. Proposed patches to ./Makefile.in and
3309 ./configure.in will be "in the mail" momentarily.
3311 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
3313 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
3314 accidently walk into the free list. Comment how that can happen.
3315 (invalidate): Fix indentation.
3317 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3318 Jeffrey A Law (law@cygnus.com)
3320 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
3321 reload. Never perform rescans of the insn chain after reload.
3322 (propagate_block): Do not delete insn or create new autoinc addressing
3325 * jump.c (jump_optimize): Unconditionally use the code that was
3326 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
3327 * reload1.c (reload): When reloading is finished, delete all
3328 REG_DEAD and REG_UNUSED notes.
3329 (emit_reload_insns): Delete all code that was conditional on
3330 PRESERVE_DEATH_INFO_REGNO_P.
3331 (no_longer_dead_regs): Delete variable.
3332 (reload_cse_delete_death_notes): Delete function.
3333 (reload_cse_no_longer_dead): Delete function.
3334 (reload_cse_regs_1): Delete all code to handle deletion of death
3336 (reload_cse_noop_set_p): Likewise.
3337 (reload_cse_simplify_set): Likewise.
3338 (reload_cse_simplify_operands): Likewise.
3339 (reload_cse_move2add): Likewise.
3340 * reorg.c (used_spill_regs): Delete declaration.
3341 (max_label_num_after_reload): Delete declaration.
3342 (find_dead_or_set_registers): Don't assume that spill regs are
3343 dead at a CODE_LABEL.
3344 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
3346 * sched.c (sched_analyze_insn): Likewise.
3347 (update_flow_info): Likewise.
3348 * haifa-sched.c (sched_analyze_insn): Likewise.
3349 (update_flow_info): Likewise.
3350 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
3351 * toplev.c (max_label_num_after_reload): Delete variable.
3352 (rest_of_compilation): Don't set max_label_num_after_reload.
3353 Call life_analysis after reload_cse_regs if optimizing.
3354 * config/gmicro/gmicro.h: Delete comment referring to
3355 PRESERVE_DEATH_INFO_REGNO_P.
3356 * config/i386/i386.h: Likewise.
3357 * config/m88k/m88k.h: Likewise.
3358 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
3359 * config/sh/sh.h: Likewise.
3361 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
3363 * loop.c (strength_reduce): Restore marking bct_p as
3365 * rs6000.c (optimization_options): Change #ifdef HAIFA to
3366 HAVE_decrement_and_branch_on_count.
3367 (small_data_operand): Remove TARGET_ELF condition for marking
3368 parameters ATTRIBUTE_UNUSED.
3370 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
3372 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
3373 (SELECT_SECTION): Resync with svr4.h.
3375 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
3377 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
3380 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
3382 * c-pragma.c (handle_pragma_token): Test for null tree before
3383 dereferencing TREE_CODE.
3385 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3387 * config/c4x/c4x.c: Convert to use GEN_INT.
3388 (c4x_parallel_process): Rework to handle new repeat loop structure.
3390 * config/c4x/c4x.md: Convert to use GEN_INT.
3391 (rptb_end): Convert to use GE test. Replace uses with clobbers.
3392 (decrement_and_branch_on_count): Likewise.
3394 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
3395 loop.c has the desired functionality.
3396 (rc_reg_operand): New prototype.
3398 * config/c4x/t-c4x: Can now build all front ends.
3400 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
3402 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
3404 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
3406 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
3407 * config/t-rtems: Do not install assert.h -- use newlib's.
3409 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3411 * combine.c (combine_instructions): When finished, call init_recog.
3412 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
3414 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
3416 * toplev.c: If flag_syntax_only, don't open or write assembler file.
3418 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3420 * cppalloc.c (memory_full): Mark function prototype with
3423 * demangle.h (collect_exit): Likewise.
3425 * fix-header.c (v_fatal, fatal): Likewise.
3427 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
3430 * gcov.c (print_usage): Likewise.
3432 * genattr.c (fatal, fancy_abort): Likewise.
3434 * genattrtab.c (fatal, fancy_abort): Likewise.
3436 * gencodes.c (fatal, fancy_abort): Likewise.
3438 * genconfig.c (fatal, fancy_abort): Likewise.
3440 * genemit.c (fatal, fancy_abort): Likewise.
3442 * genextract.c (fatal, fancy_abort): Likewise.
3444 * genflags.c (fatal, fancy_abort): Likewise.
3446 * genopinit.c (fatal, fancy_abort): Likewise.
3448 * genoutput.c (fatal, fancy_abort): Likewise.
3450 * genpeep.c (fatal, fancy_abort): Likewise.
3452 * genrecog.c (fatal, fancy_abort): Likewise.
3454 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
3455 __sjpopnthrow, __throw): Likewise.
3457 * objc/objc-act.c (objc_fatal): Likewise.
3459 * protoize.c (usage, aux_info_corrupted,
3460 declare_source_confusing): Likewise.
3462 * rtl.c (dump_and_abort): Likewise.
3464 * rtl.h (sets_cc0_p): Likewise.
3466 * toplev.c (float_signal, pipe_closed): Likewise.
3468 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3470 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
3471 when generating the decision tree for the general case.
3473 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
3474 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
3476 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3478 * Makefile.in (sched.o): Depend on recog.h.
3480 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
3481 (unsigned) when comparing against one.
3482 (find_base_value): Likewise.
3483 (record_base_value): Cast variable `regno' to (unsigned) when
3484 comparing against one. Cast the result of REGNO() macro to
3485 (unsigned) when comparing against one.
3486 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
3488 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
3489 variable where an unsigned index is needed.
3491 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
3492 before comparing against one.
3494 * collect2.c: Add prototypes for functions `error', `fatal' and
3495 `fatal_perror'. Make these functions take variable arguments
3496 instead of faking it with a fixed number of args.
3497 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
3500 * combine.c (can_combine_p): Mark parameter `pred' with
3502 (find_split_point): Cast variable `src' to (unsigned
3503 HOST_WIDE_INT) when comparing against one.
3504 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
3505 (simplify_logical): Likewise.
3506 (force_to_mode): Cast result of INTVAL() macro to (unsigned
3507 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
3508 HOST_WIDE_INT) in shift.
3509 (simplify_and_const_int): Cast result of INTVAL() macro to
3510 `unsigned HOST_WIDE_INT' when comparing against one.
3511 (merge_outer_ops): Cast variable const0 to `unsigned
3512 HOST_WIDE_INT' when comparing against the result of
3513 GET_MODE_MASK() macro.
3514 (simplify_comparison): Likewise for variable `c0'. Cast variable
3515 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
3516 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
3517 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
3518 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
3519 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
3520 comparing against one.
3521 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
3523 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
3524 macro to `unsigned HOST_WIDE_INT' when comparing against one.
3525 (output_block_move): Cast `sizeof' expression to (int) when
3526 comparing against one.
3527 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
3529 (save_restore_insns): Cast `base_offset' to `long' to match format
3530 specifier in fprintf.
3532 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
3533 to `enum machine_mode'.
3535 * flow.c (life_analysis_1): Remove unused variable `insn'.
3537 * gcc.c (translate_options): Move variables `j' and `k' into the
3538 scope in which they are used. Change their types to `size_t'.
3539 (set_spec): Cast the argument of ctype macro to `unsigned char'.
3540 (read_specs): Likewise.
3541 (process_command): Cast `sizeof' to (int) when comparing against one.
3542 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
3543 (handle_braces): Cast both sides of `==' expression to `long' to
3544 ensure sign matching.
3545 (main): Cast variable `i' to `int' when comparing against one.
3547 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
3548 int to size_t. Cast variable `i' to size_t when comparing against
3551 * genattrtab.c (convert_set_attr_alternative): Remove unused
3552 parameter `insn_code'. All callers changed.
3553 (convert_set_attr): Likewise.
3555 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
3556 size_t when comparing against one. Likewise for variable `len'.
3558 * global.c (global_alloc): Cast variable `max_regno' to size_t
3559 when comparing against one. Likewise for variable `max_allocno'.
3561 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
3563 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
3564 `set' with ATTRIBUTE_UNUSED.
3565 (find_free_reg): Cast `sizeof' expression to (int) when comparing
3568 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
3569 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
3570 (get_condition): Cast variable `const_val' to `unsigned
3571 HOST_WIDE_INT' when comparing against one. Cast unsigned
3572 expression to HOST_WIDE_INT when comparing against one.
3573 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
3574 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
3575 `unsigned' when comparing against one.
3577 * protoize.c (is_id_char): Change type of parameter `ch' to
3579 (munge_compile_params): Cast argument of ctype macro to (const
3581 (process_aux_info_file): Cast variable `aux_info_size' to int when
3582 comparing against one.
3583 (forward_to_next_token_char): Cast argument of ctype macro to
3584 `const unsigned char'.
3585 (edit_formals_lists): Likewise.
3586 (find_rightmost_formals_list): Likewise.
3587 (add_local_decl): Likewise.
3588 (add_global_decls): Likewise.
3589 (edit_fn_definition): Likewise.
3590 (do_cleaning): Likewise.
3591 (scan_for_missed_items): Likewise.
3592 (edit_file): Cast variable `orig_size' to (int) when comparing
3594 (main): Cast argument of ctype macro to `const unsigned char'.
3596 * recog.c (const_int_operand): Mark parameter `mode' with
3599 * regclass.c (record_reg_classes): Change type of variable `c' to
3600 `unsigned char'. Cast `char' array index to `unsigned char'.
3602 * reload.c (push_secondary_reload): Cast argument to
3603 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
3605 * reload1.c (calculate_needs): Cast `char' array index to
3607 (set_label_offsets): Change type of variable `i' to unsigned int.
3608 Cast result of XVECLEN() macro to unsigned when comparing against
3610 (mark_not_eliminable): Change type of variable `i' to unsigned.
3611 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
3612 when comparing against one.
3613 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
3614 comparing against one.
3615 (choose_reload_regs): Hide unused label `fail'.
3616 (reload_cse_simplify_operands): Cast `char' array index to
3618 (reload_combine_note_store): Mark parameter `set' with
3619 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
3621 (reload_cse_move2add): Remove unused variable `src2'.
3623 * sched.c: Include recog.h.
3624 (sched_note_set): Remove unused parameter `b'. All callers
3626 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
3627 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
3628 when comparing against one.
3630 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
3631 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
3632 comparing against one.
3634 * unroll.c (precondition_loop_p): Remove unused parameter
3635 `loop_end'. All callers changed.
3637 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3639 * reload1.c (maybe_fix_stack_asms): New static function.
3642 * reload.h (compute_use_by_pseudos): Declare.
3644 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
3645 (something_needs_reloads): Delete variable.
3646 (finish_spills): New function.
3647 (compute_use_by_pseudos): New function.
3649 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
3650 Use the reload_insn_chain instead of walking the rtl directly.
3652 (reload): Allocate and free spilled_pseudos.
3653 Ensure that all calls of spill_hard_reg are followed by a call to
3655 Use the insns_need_reload list instead of something_needs_reloads
3656 to find out if reload_as_needed must be called.
3657 Clear unused_insn_chains at the end.
3659 (calculate_needs_all_insns): Lose FIRST parameter. All callers
3661 Delete code to keep track of current basic block.
3662 Walk reload_insn_chain instead of the rtl structure. Build the
3663 insns_need_reload chain.
3664 Remember which insns need reloading/elimination by setting the
3665 appropriate fields in struct insn_chain, not by putting modes on the
3668 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
3669 arg INSN. All callers changed.
3670 Delete declaration of struct needs.
3671 Don't set something_needs_reloads.
3672 Record insn needs in the CHAIN argument.
3674 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
3676 (reload_as_needed): Lose FIRST arg. All callers changed.
3677 Walk the reload_insn_chain instead of the rtx structure.
3678 Delete code to keep track of current basic block.
3679 Rename one of the NEXT variables to OLD_NEXT.
3681 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
3683 (choose_reload_regs): Likewise.
3685 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
3688 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
3689 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
3690 (hard_regs_live, hard_regs_need_restore): Delete variables.
3691 (n_regs_saved): Now static.
3692 (referenced_regs, this_insn_sets): New variables.
3694 (setup_save_areas): Restructure the code a bit.
3696 (restore_referenced_regs): Delete function.
3697 (mark_referenced_regs): New function, similar to the old
3698 restore_referenced_regs, but mark registers in referenced_regs.
3700 (clear_reg_live): Delete function.
3701 (mark_set_regs): Renamed from set_reg_live. All callers changed.
3702 Only mark registers in this_insn_sets.
3704 (save_call_clobbered_regs): Rework this function to walk the
3705 reload_insn_chain instead of using the list of instructions directly.
3706 Delete code to keep track of register lives, compute live regs on the
3707 fly from information in the chain.
3708 Instead of calling restore_referenced_regs, use mark_referenced_regs,
3709 then walk the set it computes and call insert_restore as appropriate.
3711 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
3713 Restructure the code a bit. Test hard_regs_saved instead of
3714 hard_regs_need_restore.
3715 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
3716 args. All callers changed.
3717 Restructure the code a bit. Use TO_SAVE to determine which regs to
3718 save instead of more complicated test.
3719 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
3721 Create a new insn_chain structure for the new insn and place it
3724 * rtl.texi: Update documentation to reflect that reload no longer
3725 puts modes on the insns.
3727 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3729 * function.c (purge_addressof_1): Force the first argument of a
3730 CALL insn to memory.
3732 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
3734 * rtl.h: Delete duplicate prototypes. Add some missing
3736 * rtlanal.c: (for_each_rtx): Formatting tweak.
3738 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3740 * real.c (emdnorm and etoasc): Disable round to even for c4x target
3741 to be compatible with TI compiler.
3743 * Makefile.in (USER_H): Add va-c4x.h to definition.
3745 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
3747 * function.c (purge_addressof_1): Fix typo in inequality: do
3748 bitfield optimization for equal mode sizes.
3749 * expmed.c (store_bit_field): Don't take subregs of subregs in
3750 the movstrict case. Tidy a potential problem in the multi-word case.
3751 (extract_bit_field): Likewise.
3753 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3755 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
3757 Compute max_uid_for_flow by calling get_max_uid after the scan.
3758 (find_basic_blocks_1): Don't emit NOPs here.
3760 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
3762 * alias.c (base_alias_check): Accept new args for the modes of the
3763 two references. Use them to determine if an AND can overlap. Update
3765 (memrefs_conflict_p): Assume sizes are aligned, and uses them
3766 to determine if an AND can overlap.
3768 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
3770 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
3771 check. Add comment to document problems with TARGET_SUN_FPA version
3773 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
3775 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3777 * Makefile.in (gencheck.o): Depend on gansidecl.h.
3779 * c-common.c (print_char_table): Add missing initializers.
3780 (scan_char_table): Likewise.
3781 (time_char_table): Likewise.
3783 * c-decl.c (c_decode_option): Mark parameter `argc' with
3785 (declare_parm_level): Mark parameter `definition_flag' with
3788 * c-lex.c (readescape): Use `(unsigned)1' in shift.
3789 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
3792 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
3794 (emit_call_1): Mark parameters `fndecl' and `funtype' with
3796 (expand_call): Cast result of MIN() to (unsigned int) when
3797 comparing against an unsigned value.
3799 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
3801 (make_definition): Remove unused parameter `op'. All callers
3803 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
3804 comparing against the result of pointer arithmetic.
3806 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
3807 when comparing against one.
3809 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
3810 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
3812 (output_die): Move variable `i' into the scope in which it is
3813 used. Change its type to `unsigned'.
3814 (output_die): Cast the result of `strlen' to (int) when passing it
3815 to ASM_OUTPUT_ASCII().
3816 (output_pubnames): Likewise.
3817 (output_line_info): Likewise.
3819 * emit-rtl.c (global_rtl): Add missing initializers.
3821 * explow.c (promote_mode): Mark parameter `for_call' with
3824 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
3825 `unsigned HOST_WIDE_INT' when comparing against one.
3826 (synth_mult): Change type of variable `cost' to int.
3827 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
3829 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
3830 when comparing against one.
3831 (get_inner_reference): Change variable `alignment' to unsigned.
3832 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
3833 int) when comparing against one.
3834 (expand_builtin_setjmp): Change type of variable `i' to size_t.
3836 * fold-const.c (div_and_round_double): Cast BASE to
3837 (HOST_WIDE_INT) when comparing against one.
3839 * gencheck.c: Include gansidecl.h.
3840 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
3842 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
3843 `tcode' with ATTRIBUTE_UNUSED.
3845 * real.c (edivm): Cast constant value to (unsigned long) in
3846 expression compared against an unsigned value.
3848 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
3849 comparing against one.
3850 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
3851 when comparing against one.
3853 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
3854 (unsigned int) when comparing against one. Likewise for
3856 (smallest_mode_for_size): Likewise.
3857 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
3858 (restore_storage_status): Likewise.
3860 * toplev.c (debug_args): Add missing initializer.
3861 (f_options): Spelling correction. Add missing initializers.
3862 (documented_lang_options): Likewise.
3863 (debug_end_source_file): Mark parameter `lineno' with
3866 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
3867 `decl' and `type' with ATTRIBUTE_UNUSED.
3869 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
3870 when comparing against one.
3871 (assemble_variable): Mark parameter `top_level' with
3873 (assemble_external_libcall): Mark parameter `fun' with
3875 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
3878 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
3880 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
3881 Replace use of r5 with use of r19.
3883 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
3885 * config/v850/v850.c (compute_register_save_size): Allow for the
3886 fact that helper functions save all registers, not just those used
3889 Replace constant 31 with macro LINK_POINTER_REGNUM.
3891 * config/v850/v850.md: Use 'indirect_operand' rather than
3892 'memory_operand' for bit test/set/clear patterns.
3894 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
3896 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
3897 * varasm.c (assemble_start_function et al): Don't call
3898 ASM_GLOBALIZE_LABEL for weak symbols.
3900 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
3902 * cse.c (equiv_constant): Check for NULL return from
3903 gen_lowpart_if_possible().
3905 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
3907 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
3909 * collect2.c (main): Pass -EL/-EB through to the compiler.
3911 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3913 * expr.c (push_block): Handle targets where the stack grows
3914 to higher addresses, but args grow to lower addresses and
3915 ACCUMULATE_OUTGOING_ARGS is not defined.
3917 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
3919 * config/v850/v850.c (print_operand): Extend meaning
3920 of 'c' operands to support .vtinherit.
3922 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3924 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
3925 Added ATTRIBUTE_UNUSED to unused function arguments.
3926 (rc_reg_operand): New predicate.
3927 (c4x_rptb_insert): New function.
3928 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
3929 (c4x_optimization_options): New function.
3931 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
3932 (decrement_and_branch_on_count): New pattern.
3933 (rptb_top): Modified pattern to work with BCT optimization.
3935 * config/c4x/c4x.h (RC_REG): New register class.
3936 (rc_reg_operand): Define prototype.
3937 (IS_RC_REG): New macro.
3938 (IS_RC_OR_PSEUDO_REG): New macro.
3939 (IS_RC_OR_PSEUDO_REGNO): New macro.
3940 (OPTIMIZATION_OPTIONS): Define.
3942 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
3944 * collect2.c (extract_init_priority): No priority is 65535.
3946 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3948 * Makefile.in (build_tooldir): new variable, same as old
3949 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
3950 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
3951 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
3953 * configure.in (gxx_include_dir): set default based on unlibsubdir
3954 * Makefile.in (tooldir): ditto
3955 (cccp.o, cpplib.o): use unlibsubdir implicitly through
3956 gxx_include_dir, includedir and tooldir
3957 (protoize.o, unprotoize.o): ditto
3959 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
3961 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
3963 * config/arm/thumb.c (thumb_override_options): Add warning about
3964 PIC code not being supported just yet.
3966 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
3968 * flow.c: Update comment.
3969 (notice_stack_pointer_modification): New static function.
3970 (record_volatile_insns): Use it.
3971 (mark_regs_live_at_end): Mark the stack pointer as alive
3972 at the end of the function if current_function_sp_is_unchanging
3974 (life_analysis_1): Set current_function_sp_is_unchanging.
3975 * function.c: Define it.
3976 (init_function_start): Initialize it.
3977 * output.h: Declare it.
3978 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
3979 the stack pointer as alive at the end of the function if
3980 current_function_sp_is_unchanging is set.
3981 * i386.c (ix86_epilogue): Optimize the restoring
3982 of the stack pointer.
3984 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
3986 * version.c: Bump for snapshot.
3988 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
3990 * c-pragma.c (handle_pragma_token): If passed a token instead
3991 of a tree, use that as the pack value.
3993 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
3995 * flow.c (find_basic_blocks_1): Fix prototype.
3997 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
3999 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
4000 (struct tree_decl): New fields no_check_memory_usage.
4001 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
4002 (init_attributes): Register it as a new attribute.
4003 (decl_attributes): Set flags on functions given that attribute.
4004 * c-decl.c (duplicate_decls): Merge new attribute.
4005 * expr.h (current_function_check_memory_usage): Declare new var.
4006 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
4007 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
4008 current_function_check_memory_usage.
4009 * function.h: Add field to struct function.
4010 * function.c (current_function_check_memory_usage): Define it.
4011 (push_function_context_to, pop_function_context_from): Save and
4013 (expand_function_start): Set it, based on global flag and function
4016 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
4017 check non-automatic variables, to permit detection of writes to
4018 read-only locations in embedded systems without memory management.
4019 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
4020 when emitting chkr_set_right_libfunc call, even if the argument is
4021 BLKmode or variable-sized; don't abort.
4023 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
4024 symbols in Pmode, not VOIDmode.
4026 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4028 * cppexp.c: When forcing unsigned comparisons, cast both sides
4031 * cpphash.h: Move static declaration of hashtab[]...
4032 * cpphash.c: ...here.
4034 * cpplib.c: Cast difference of two pointers to size_t before
4035 comparing it to size_t. Cast signed to unsigned
4036 before comparing to size_t. (FIXME: struct argdata should use
4037 unsigned buffer sizes.)
4038 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
4039 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
4040 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
4041 size_t before comparison.
4043 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
4045 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
4046 (find_basic_blocks_1): Similarly.
4047 * output.h (find_basic_blocks): Fix prototype.
4048 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
4049 find_basic_blocks anymore.
4051 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
4053 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
4054 (sbitmap_free, sbitmap_vector_free): New macros.
4055 * output.h (rtl_dump_file): Declare.
4057 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
4059 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
4061 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4063 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
4065 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
4066 (divide): Remove unused variable `tmp'.
4067 (si_to_float): Cast numeric constant to (SItype) before comparing
4070 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
4072 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
4073 * gcc.c (add_preprocessor_option): Correct typo when allocating
4074 memory, sizeof() argument had one too many `*'.
4075 (add_assembler_option): Likewise.
4076 (add_linker_option): Likewise.
4077 * gcov.c (output_data): Likewise.
4078 * local-alloc.c (memref_used_between_p): Likewise.
4079 (update_equiv_regs): Likewise.
4080 * loop.c (strength_reduce): Likewise.
4081 * reg-stack.c (record_asm_reg_life): Likewise.
4082 (subst_asm_stack_reg): Likewise.
4083 * reorg.c (dbr_schedule): Likewise.
4085 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4087 * flow.c (life_analysis_1): Break out some functions.
4088 (find_basic_blocks_1): Likewise. Also move some variables out and
4090 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
4091 new static var nonlocal_label_list with it.
4092 (active_eh_region, nested_eh_region, label_value_list,
4093 nonlocal_label_list): New static variables.
4094 (make_edges, delete_unreachable_blocks, delete_block): New static
4095 functions, broken out of find_basic_blocks_1.
4096 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
4097 noop_move_p): New static functions, broken out of life_analysis_1.
4099 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
4101 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
4102 Take extra care for op0 now possibly being a subreg.
4103 (extract_bit_field): Likewise.
4104 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
4105 the reg to memory if there is no equal sized integral mode.
4106 * stor-layout.c (int_mode_for_mode): New function.
4107 * machmode.h: Prototype it.
4109 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
4111 * global.c (build_insn_chain): Verify no real insns exist past the
4112 end of the last basic block, then exit the loop.
4114 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4116 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
4118 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
4120 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
4122 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
4124 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
4126 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
4128 * flow.c (find_basic_blocks): Correctly determine when a call
4129 is within an exception region.
4131 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
4133 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
4135 * cpplib.h: Protect from multiple inclusions.
4136 * cpplib.c: Fix minor formatting problems.
4138 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
4140 * jump.c (jump_optimize): Revert accidental patch.
4142 * Makefile.in (cpplib.o): Use unlibsubdir.
4144 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
4146 * loop.c (get_condition): Allow combine when either compare is
4149 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
4151 * version.c: Bump for snapshot.
4153 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
4155 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
4156 (init_lex): Initialize ridpointers[RID_BYREF].
4157 * c-lex.h (enum rid): Add RID_BYREF.
4158 * c-parse.gperf: Add RID_BYREF as a type qualifier.
4159 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
4160 (encode_type_qualifiers): Similarly
4161 * c-gperf.h: Rebuilt.
4163 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
4165 * c-common.c (type_for_mode): Only return TItype nodes when
4166 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4167 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
4168 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4169 (init_decl_processing): Only create TItype nodes when
4170 HOST_BITS_PER_WIDE_INT is >= 64 bits.
4171 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
4172 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
4174 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4176 * stmt.c (n_occurrences): New static function.
4177 (expand_asm_operands): Verify that all constrains match in the
4178 number of alternatives.
4179 Verify that '+' or '=' are at the beginning of an output constraint.
4180 Don't allow '&' for input operands.
4181 Verify that '%' isn't written for the last operand.
4182 * reload.c (find_reloads): Abort if an asm is found with invalid
4183 constraints; all possible problems ought to be checked for earlier.
4185 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4187 * flags.h (flag_branch_on_count_reg): Always declare
4188 * toplev.c (flag_branch_on_count_reg): Likewise.
4189 * toplev.c: Fix typos.
4191 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
4194 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
4196 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
4198 (find_basic_blocks_1): Add a nop to the end of a basic block when
4199 a trailing call insn does not have abnormal control flow.
4200 * gcse.c (pre_transpout): New variable.
4201 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
4202 (compute_pre_transpout): Calculate it.
4203 (compute_pre_ppinout): Use it to eliminate impossible placements
4204 due to abnormal control flow through calls.
4205 (compute_pre_data): Call compute_pre_transpout.
4207 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4209 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
4211 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
4213 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
4214 and matching define_insns): Tack on a `use' of the table label, so
4215 flow analysis will recognize a tablejump.
4217 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
4219 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
4220 always end basic blocks for abnormal edge reasons.
4222 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
4224 * config/i386/i386.h: Remove definition of
4225 HANDLE_PRAGMA_PACK_PUSH_POP.
4227 * config/i386/go32.h: Add definition of
4228 HANDLE_PRAGMA_PACK_PUSH_POP.
4230 * config/i386/win32.h: Add definition of
4231 HANDLE_PRAGMA_PACK_PUSH_POP.
4233 * config/i386/cygwin32.h: Add definition of
4234 HANDLE_PRAGMA_PACK_PUSH_POP.
4236 * c-pragma.c (insert_pack_attributes): Do not insert
4237 attributes unless #pragma pack(push,<n>) is in effect.
4239 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
4241 * expr.c (emit_group_store): Handle a PARALLEL destination.
4243 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
4245 * gcse.c (pre_insert_insn): When a call ends a bb, insert
4246 the new insns before the argument regs are loaded.
4248 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4250 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
4251 (c-parse.gperf): Update comments describing invocation flags.
4252 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
4254 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
4256 * reload1.c (reload): Call free before clobbering the memory
4257 locations or constants pointers.
4259 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4261 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
4262 for efficiency by checking whether we need to modify the current
4263 stack permission at all.
4264 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
4265 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
4266 __enable_execute_stack libcall here too if
4267 TRANSFER_FROM_TRAMPOLINE is defined.
4268 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
4271 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
4273 * Makefile.in (DRIVER_DEFINES): Remove last change.
4275 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4277 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
4278 insns we're going to copy.
4279 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
4281 * loop.c (count_one_set): Add prototype.
4283 * caller-save.c (restore_referenced_regs): Lose mode argument.
4284 (insert_save): Lose mode argument.
4285 (insert_restore): Lose mode argument.
4286 (insert_one_insn): Lose mode argument.
4287 (save_call_clobbered_regs): Lose mode argument.
4288 (setup_save_areas): Take no argument and return void. All callers
4290 Don't verify validity of memory addresses.
4291 * reload.h (setup_save_ares): Adjust prototype.
4292 (save_call_clobbered_regs): Likewise.
4293 * reload1.c (delete_caller_save_insns): New function.
4294 (caller_save_spill_class): Delete variable.
4295 (caller_save_group_size): Delete variable.
4296 (reload): Call setup_save_areas and save_call_clobbered_regs
4297 in the main loop, before calling calculate_needs_all_insns.
4298 Don't call save_call_clobbered_regs after the loop.
4299 Call delete_caller_save_insns at the end of an iteration if
4301 Delete code to manage caller_save_spill_class.
4302 Emit the final note before setting reload_first_uid.
4303 Simplify test that determines whether reload_as_needed gets run.
4304 (calculate_needs): Delete code to manage caller_save_spill_class.
4306 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
4308 * collect2.c (main): Initialize ld_file_name.
4310 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
4312 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
4313 check for flag_function_sections.
4315 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4317 * cse.c (insert_regs): Fix bug in Sep 24 change.
4319 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4321 * flags.h (flag_dump_unnumbered): Declare.
4322 * toplev.c (flag_dump_unnumbered): Don't declare.
4323 * print-rtl.c (flags.h): Include.
4324 (print_rtl_single): Add return value.
4325 * rtl.h (print_rtl_single): Update declaration.
4326 * flow.c (flag_dump_unnumbered): Don't declare.
4327 (print_rtl_with_bb): Use return value of print_rtl_single.
4329 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4331 * loop.c (count_one_set): New static function, broken out of
4333 (count_loop_regs_set): Call it.
4334 * global.c (mark_reg_store): Handle clobbers here by not calling
4336 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
4337 is in fact a clobber.
4338 * integrate.c (process_reg_param): New function, broken out of
4339 expand_inline_function.
4340 (expand_inline_function): Call it.
4343 * i386.md (addsidi3_1): Delete unused variable temp.
4344 (addsidi3_2): Likewise.
4345 (clstrstrsi): Delete unused variable addr1.
4347 * rtl.h: Don't declare any functions also declared in recog.h.
4349 * Makefile.in (stupid.o): Update dependencies.
4350 (global.o): Likewise.
4352 * global.c: Include reload.h
4353 (reg_becomes_live): New function.
4354 (reg_dies): New function.
4355 (build_insn_chain): New function.
4356 (global_alloc): Call build_insn_chain before calling reload.
4358 * reload.h (struct needs): New structure definition.
4359 (struct insn_chain): Likewise.
4360 (reload_insn_chain): Declare variable.
4361 (new_insn_chain): Declare function.
4364 * reload1.c (reload_startobj): New variable.
4365 (reload_insn_chain): New variable.
4366 (unused_insn_chains): New variable.
4367 (new_insn_chain): New function.
4368 (init_reload): Initialize reload_startobj, not reload_firstobj.
4369 (reload): Initialize reload_firstobj.
4370 Before returning, free everything on the reload_obstack.
4372 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
4373 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
4374 current_chain): New variables.
4375 (reg_where_born): Delete variable.
4376 (REG_WHERE_BORN): New macro.
4377 (find_clobbered_regs): New function.
4378 (stupid_life_analysis): Don't allocate/free reg_where_born.
4379 Allocate and free reg_where_born_exact, reg_where_born_clobber,
4380 reg_where_dead_chain.
4381 Use REG_WHERE_BORN instead of reg_where_born.
4382 While processing the insns, build the reload_insn_chain with
4383 information about register lifetimes.
4384 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
4385 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
4387 Compute and information about birth and death of pseudo registers in
4388 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
4389 Delete code to set elements of reg_where_born.
4391 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4393 * tree.def (GOTO_EXPR): Modified documentation.
4394 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
4397 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
4399 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
4400 loop_final_value, loop_comparison_code): No longer static.
4401 (unroll_loop): Delete loop_start_value update.
4402 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
4403 loop_final_value, loop_comparison_code): Extern.
4404 (loop_start_value): Delete extern.
4405 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
4406 loop_comparison_value, loop_comparison_code): Delete.
4407 (loop_optimize): Remove initialization for deleted variables.
4408 (strength_reduce): Delete analyze_loop_iterations call. Only call
4409 insert_bct if flag_branch_count_on_reg set.
4410 (analyze_loop_iterations): Delete.
4411 (insert_bct): Remove iteration count calculation. Move checks for
4412 viable BCT optimization to here. Obtain iteration count from
4413 loop_iterations and correct for unrolling. Check for enough
4414 iteration to be beneficial. Comment out runtime iteration count
4416 (insert_bct): Print iteration count in dump file. Remove
4417 loop_var_mode and use word_mode directly.
4419 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
4420 * rs6000.c (rs6000_override_options): Use it.
4421 (optimization_options): Enable use of flag_branch_on_count_reg.
4422 * rs6000.md (define_function_unit): Describe 604e.
4424 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4426 * loop.c (move_movables): Corrected threshold calculation for
4427 moved_once registers.
4429 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4431 * loop.c (combine_givs_p): Fix test for identical givs.
4433 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
4435 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
4436 call abort if the function is already defined.
4438 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
4440 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
4441 truncation is not a no-op.
4443 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
4445 * version.c: Bump for snapshot.
4447 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
4449 * version.c: Bump for snapshot.
4451 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
4453 * expmed.c (expand_divmod): Don't widen for computing remainder
4454 if we seem to have a divmod pattern for needed mode.
4456 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4458 * cpplib.c (macroexpand): Correct off-by-one error in handling
4461 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
4463 * combine.c (expand_field_assignment): Don't do bitwise operations
4464 on MODE_FLOAT; pun to MODE_INT if possible.
4466 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
4467 scott snyder <snyder@d0sgif.fnal.gov>
4469 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
4470 linker. Recognize mangled names in quotes.
4472 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4474 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
4475 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
4476 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
4477 (lshrsi3_extend, lshrsi3_extend2): Ditto.
4479 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4481 * function.c (purge_addressof_1): If trying to take a sub-word
4482 integral piece of a floating point mode, put it on the stack.
4484 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
4486 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
4488 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
4490 * PROJECTS: Remove template friends.
4492 * collect2.c (sort_ids): Remove unused variable.
4494 * tm.texi (MATH_LIBRARY): Document.
4495 (NEED_MATH_LIBRARY): Remove.
4497 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
4498 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
4500 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
4502 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
4503 last_end to 0x7fffffff.
4505 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4507 * function.c (purge_addressof_1): Do not perform endianness
4508 corrections on bitpos, who we call will do it for us.
4510 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
4512 * h8300.c (WORD_REG_USED): Fix typo.
4513 (initial_offset): Use WORD_REG_USED.
4515 * h8300.c (handle_pragma): Fix typo.
4517 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4519 * caller-save.c (insert_save_restore): Break this function up
4520 into new functions insert_restore, insert_save and insert_one_insn.
4521 All callers changed.
4522 (insert_restore): New function, mostly broken out of
4523 insert_save_restore.
4524 (insert_save): Likewise.
4525 (insert_one_insn): Likewise.
4526 (restore_referenced_regs): New argument BLOCK. All callers changed.
4527 (save_call_clobbered_regs): Don't keep track of basic block boundaries
4528 in this function, do it in insert_one_insn instead.
4530 * reload1.c (reload): Break out some more pieces into separate
4532 (dump_needs): New function, broken out of reload.
4533 (set_initial_elim_offsets): Likewise.
4534 (init_elim_table): Likewise.
4535 (update_eliminables): Likewise.
4537 * global.c (global_alloc): Delete code to manage the scratch_list.
4538 * local-alloc.c (qty_scratch_rtx): Delete.
4539 (scratch_block): Delete.
4540 (scratch_list): Delete.
4541 (scratch_list_length): Delete.
4542 (scratch_index): Delete.
4543 (alloc_qty_for_scratch): Delete.
4544 (local-alloc): Update initialization of max_qty.
4545 Delete code to manage the scratch list.
4546 Delete code to allocate/initialize qty_scratch_rtx.
4547 (block_alloc): Don't allocate quantities for scratches.
4548 Delete code to manage the scratch list.
4549 * regs.h (scratch_list): Delete declaration.
4550 (scratch_block): Delete declaration.
4551 (scratch_list_length): Delete declaration.
4552 * reload1.c (reload): Delete code to manage the scratch list.
4553 (spill_hard_reg): Likewise.
4554 (mark_scratch_live): Delete.
4556 * recog.c (alter_subreg): Delete declaration.
4558 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
4560 * Makefile.in (cccp.o): Fix typo in last patch.
4562 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4564 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
4565 * config/sh/lib1funcs.asm (___set_fpscr): Add.
4567 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
4569 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
4570 NULL_RTX as an argument.
4572 * Makefile.in (unlibsubdir): Define.
4573 (DRIVER_DEFINES): Use unlibsubdir.
4574 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
4575 (stmp-fixinc): Similarly.
4577 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4579 * regmove.c (regmove_optimize): Add variable old_max_uid.
4580 At the end of the function, update basic_block_end.
4582 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4584 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
4585 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
4588 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
4590 * config/arm/arm.c: Improve interworking support.
4592 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4594 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
4595 copied from reload_out[r] .
4597 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
4599 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
4600 with more than three size ranges.
4602 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
4604 * rtl.c (mode_name): Add a null string at the end of the array.
4605 (mode_wider_mode): Change type to unsigned char.
4606 (mode_mask_array): New variable.
4607 (init_rtl): Update for mode_wider_mode type change.
4609 * rtl.h (mode_wider_mode): Change type to unsigned char.
4610 (mode_mask_array): Declare.
4611 (GET_MODE_MASK): Use mode_mask_array.
4613 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
4615 * calls.c (expand_call) : Encapsulate code into
4616 copy_blkmode_from_reg.
4617 * expr.c (copy_blkmode_from_reg): New function.
4618 * expr.h (copy_blkmode_from_reg): New function.
4619 * integrate.c (function_cannot_inline_p): We can inline
4621 (expand_inline_function): Use copy_blkmode_from_reg
4622 if needed. Avoid creating BLKmode REGs.
4623 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
4626 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
4628 * config/v850/v850.c: Add function prototypes.
4629 Add support for v850 special data areas.
4631 * config/v850/v850.h: Add support for v850 special data areas.
4633 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
4634 HANDLE_PRAGMA_PACK_PUSH_POP.
4635 (push_alignment): New function: Cache an alignment requested
4636 by a #pragma pack(push,<n>).
4637 (pop_alignment): New function: Pop an alignment from the
4639 (insert_pack_attributes): New function: Generate __packed__
4640 and __aligned__ attributes for new decls whilst a #pragma pack
4642 (add_weak): New function: Cache a #pragma weak directive.
4643 (handle_pragma_token): Document calling conventions. Add
4644 support for #pragma pack(push,<n>) and #pragma pack (pop).
4646 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
4647 are defined enable HANDLE_PRAGMA_PACK.
4648 Move 'struct weak_syms' here (from varasm.c).
4649 Add pragma states for push and pop pragmas.
4651 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
4654 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
4655 HANDLE_GENERIC_PRAGMAS.
4657 * varasm.c: Move definition of 'struct weak_syms' into
4659 (handle_pragma_weak): Deleted.
4661 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4663 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
4665 * c-decl.c (start_function): Add invocation of
4666 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
4668 * tm.texi: Remove description of non-existant macro
4669 SET_DEFAULT_SECTION_NAME.
4671 (HANDLE_SYSV_PRAGMA): Document.
4672 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
4674 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
4676 * config.sub: Recognize i[34567]86-pc-udk as new target.
4677 * configure.in: Likewise.
4678 * config/i386/t-udk: New file.
4679 * config/i386/udk.h: New file.
4681 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
4683 * reorg.c (check_annul_list_true_false): Remove unused variables.
4684 (steal_delay_list_from_target): Add missing "used_annul" variable.
4685 (try_merge_delay_insns): Close out half formed comment.
4687 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4689 * cpplib.c (macroexpand): If arg->raw_before or
4690 arg->raw_after, remove any no-reexpansion escape at the
4691 beginning of the pasted token. Correct handling of whitespace
4692 markers and no-reexpand markers at the end if arg->raw_after.
4694 * toplev.c (documented_lang_options): Recognize -include,
4695 -imacros, -iwithprefix, -iwithprefixbefore.
4696 * cpplib.c (cpp_start_read): Process -imacros and -include
4697 switches at the same time and in command-line order, after
4698 initializing the dependency-output code. Emit properly nested
4699 #line directives for them. Emit a #line for the main file
4700 before processing these switches, and don't do it again
4703 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
4705 * function.c (purge_addressof_1): Use bitfield manipulation
4706 routines to handle mem mode < reg mode.
4708 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4710 * reorg.c (try_merge_delay_insns): Account for resources referenced
4711 in each instruction in INSN's delay list before trying to eliminate
4712 useless instructions. Similarly when looking at a trial insn's delay
4715 * reorg.c (check_annul_list_true_false): New function.
4716 (steal_delay_list_from_{target,fallthrough}): Call it and also
4717 refine tests for when we may annul if already filled a slot.
4718 (fill_slots_from_thread): Likewise.
4719 (delete_from_delay_slot): Return newly-created thread.
4720 (try_merge_delay_isns): Use its new return value.
4722 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
4724 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
4725 used to compute a giv or as some other non-counting use.
4727 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4729 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
4730 * local-alloc.c (find_free_reg): Use it.
4731 * global.c (find_reg): Likewise.
4732 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
4734 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
4735 * caller-save.c (init_caller_save): Use it.
4736 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
4738 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4740 * configure.in: Add --enable-cpplib option which uses cpplib
4741 for cpp, but doesn't link cpplib into cc1. Make help text
4742 capitalization consistent.
4743 * configure: Rebuilt.
4745 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
4747 * function.c (gen_mem_addressof): If the address REG is
4748 REG_USERVAR_P make the new REG be so also.
4749 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
4750 in an attempt to clarify slightly.
4752 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
4754 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
4755 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
4757 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
4759 * toplev.c: Fix last patch.
4761 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
4763 * loop.c (get_condition): Fix typo in May 9 change.
4765 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4767 * invoke.texi (-fexceptions): Merge 2 different descriptions.
4769 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4771 * toplev.c (documented_lang_options): Spelling corrections.
4773 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4775 * configure.in: new flags --with-ld and --with-as, equivalent
4776 to setting LD and AS environment variables. Test whether
4777 specified arguments are GNU commands, and report them with
4778 checking messages. Use the specified AS for configure
4781 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
4783 * gcc.c (find_a_file): when looking for `as' and `ld', return
4784 the DEFAULT program if it exists
4785 * collect2.c (main): use DEFAULT_LINKER if it exists
4787 * gcc.c (find_a_file): the test for existence of a full
4788 pathname was reversed
4790 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
4792 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
4793 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
4795 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
4797 * tree.h (TYPE_BINFO): Document.
4799 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
4801 * i386-coff.h (dbxcoff.h): Added.
4803 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
4805 * toplev.c: fix bad patch around flag_data_sections.
4807 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
4809 * reload1.c (reload): Use reload_address_index_reg_class and
4810 reload_address_base_reg_class when setting
4811 caller_save_spill_class. (Patch generated by Jim Wilson:
4814 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
4816 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
4817 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
4818 * expr.c (store_field): Add alias_set parameter. Set the
4819 MEM_ALIAS_SET accordingly, if the target is a MEM.
4820 (expand_assignment): Use it.
4821 (store_constructor_field): Pass 0.
4822 (expand_expr): Likewise.
4824 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
4826 * flags.h: Add flag_data_sections.
4827 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
4828 (compile_file): Error if flag_data_sections not supported.
4829 * varasm.c (assemble_variable): Handle flag_data_sections.
4830 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
4831 * config/mips/elf.h: Likewise.
4832 * config/mips/elf64.h: Likewise.
4833 * invoke.texi: Describe -fdata-sections.
4835 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
4837 * invoke.texi (-ffloat-store): Clarify that this option
4838 does not affect intermediate results -- only variables.
4840 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
4842 * cpp.texi: Update for Fortran usage from Craig.
4844 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
4846 * rs6000.c (function_arg_boundary): Revert accidental change on
4849 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
4851 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
4852 (output_mi_thunk): Declare.
4854 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
4855 (output_function_profiler): Use r12 for temp, instead of r11 so
4856 that we preserve the static chain register.
4858 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
4860 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
4862 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4864 * sh.c (gen_shl_sext): Fix case 5.
4866 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4868 * reload1.c (reload_combine): Re-add line that got accidentally lost.
4870 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4872 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
4873 accessing variables until they are initialized via va_arg().
4875 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4877 * reload1.c (reload_combine): Initialize set before using.
4879 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
4881 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
4884 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
4886 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
4887 operand3 with mask before using it. Patch provided by Jim Wilson.
4889 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4891 * config/sparc/sparc.c (function_value): Perform the equivalent of
4892 PROMOTE_MODE for ARCH64.
4893 (eligible_for_epilogue_delay): Allow DImode operations in delay
4894 slot of a return for ARCH64.
4896 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4898 * sh.md (sqrtsf2): Fix mode of sqrt.
4900 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4902 * reload1.c (choose_reload_regs): Also try inheritance when
4903 reload_in is a stack slot of a pseudo, even if we already got a
4906 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4908 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
4909 (reload_cse_regs): New function body: call reload_cse_regs_1,
4910 reload_combine, reload_cse_move2add.
4911 When doing expensive_optimizations, call reload_cse_regs_1 a
4912 second time after reload_cse_move2add.
4913 (reload_combine, reload_combine_note_store): New functions.
4914 (reload_combine_note_use): New function.
4915 (reload_cse_move2add, move2add_note_store): New functions.
4917 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4919 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
4920 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
4922 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
4923 more than 3 such reloads.
4925 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
4926 RELOAD_FOR_X_ADDR_ADDR reload.
4928 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4930 * expr.c (store_constructor): When initializing a field that is smaller
4931 than a word, at the start of a word, try to widen it to a full word.
4933 * cse.c (cse_insn): When we are about to change a register,
4934 remove any invalid references to it.
4936 (remove_invalid_subreg_refs): New function.
4937 (mention_regs): Special treatment for SUBREGs.
4938 (insert_regs): Don't strip SUBREG for call to mention_regs.
4939 Check if reg_tick needs to be bumped up before that call.
4940 (lookup_as_function): Try to match known word_mode constants when
4941 looking for a norrower constant.
4942 (canon_hash): Special treatment for SUBREGs.
4944 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4946 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
4947 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
4948 defined, emit libcall to __enable_execute_stack. Also fix opcodes
4949 and offsets in actual stack trampoline code so they match the
4950 commentary and actually work.
4952 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4954 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
4956 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
4957 tmake_file. Set extra_parts to needed crt objects.
4958 * configure: Rebuilt.
4959 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
4960 (TARGET_DEFAULT): Set if default is v9 or ultra.
4961 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
4962 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
4963 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
4964 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4965 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
4966 (TARGET_VERSION): Define.
4967 (MULTILIB_DEFAULT): Define.
4968 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
4969 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
4970 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
4972 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
4973 * config/sparc/sparc.c (sparc_override_options): If arch and
4974 pointer size disagree, emit diagnostic and fix it up. If
4975 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
4976 V8PLUS in 64-bit mode.
4977 * config/sparc/t-linux64: New file.
4978 * config/sparc/t-sol2-64: New file.
4979 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
4980 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
4981 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
4982 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
4983 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
4984 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
4986 (STARTFILE_SPEC): Set approriately based upon those.
4987 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
4988 disposition of DEFAULT_ARCH32_P.
4989 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
4990 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
4991 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
4992 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
4993 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
4995 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
4997 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
4999 * rtl.h (init_virtual_regs): New function.
5000 * emit-rtl.c (init_virtual_regs): Define.
5001 (insn_emit): Use it.
5002 * integrate.c (save_for_inline_copying): Likewise.
5004 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
5006 * config/arm/thumb.h: The following patches were made by Jim Wilson:
5007 (enum reg_class): Add NONARG_LO_REGS support.
5008 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5009 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
5010 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
5011 completes. Re-enable HImode REG+OFFSET addresses.
5012 (LEGITIMIZE_RELOAD_ADDRESS): Define.
5014 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
5016 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
5018 * alpha.c (get_aligned_mem): Revert Sep 20 change.
5019 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
5020 (alpha_align_insns): Properly calculate initial offset wrt max_align.
5022 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
5024 * arm.c (find_barrier): Revert change of Apr 23. Handle table
5025 jumps as a single entity, taking into account the size of the
5028 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5030 * tree.def (SWITCH_EXPR): New tree node definition.
5032 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
5034 * version.c: Bump for snapshot.
5036 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
5038 * version.c: Bump for snapshot.
5040 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
5042 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
5045 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
5047 * Revert this patch.
5048 * reload.c (find_reloads): Do not replace a pseudo with
5049 (MEM (reg_equiv_addr)) in the initializing insn for the
5052 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
5054 * final.c (final_scan_insn): Disable tracking CC across branches.
5056 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5058 * expr.h (eh_rtime_match_libfunc): New extern declaration.
5059 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
5060 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
5061 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
5062 NULL. Only include <stdio.h> if inhibit_libc is not defined.
5064 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
5066 * toplev.c (rest_of_compilation): Skip compiling anything with
5067 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
5069 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
5071 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
5072 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
5073 use in_libcall_block.
5074 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
5075 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
5078 Mon Sep 21 14:02:23 1998
5080 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
5081 typo in no-fancy-math-387 description.
5083 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
5085 * version.c: Bump for snapshot.
5087 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
5089 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
5091 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
5093 * i386.h: (TARGET_SWITCHES) Add description fields for flags
5094 documented in install.texi.
5095 (TARGET_OPTIONS) Likewise.
5097 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
5099 * version.c: Bump for snapshot.
5101 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
5103 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
5104 * cccp.c (main): Likewise.
5106 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
5107 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
5110 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
5112 * Makefile.in (LIBS): Link in libiberty.a.
5113 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
5115 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
5117 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
5118 it to update bb boundaries. Update caller.
5119 * function.c (reposition_prologue_and_epilogue_notes): Update
5120 bb boundaries wrt the moved note.
5122 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
5124 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
5126 * configure: Regenerate.
5128 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
5130 * alpha.c (alpha_sr_alias_set): New variable.
5131 (override_options): Set it.
5132 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
5133 (mode_mask_operand): Fix signed-unsigned comparision warning.
5134 (alpha_expand_block_move): Likewise.
5135 (print_operand): Likewise.
5136 (get_aligned_mem): Use change_address.
5137 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
5138 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
5139 (alphaev4_next_nop, alphaev5_next_nop): New functions.
5140 (alpha_align_insns): Remade from old alphaev5_align_insns
5141 to handle multiple processors.
5142 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
5143 * output.h (label_to_alignment): Prototype.
5145 * tree.c (new_alias_set): New function.
5146 * tree.h (new_alias_set): Declare it.
5147 * c-common.c (c_get_alias_set): Use it.
5149 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
5151 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
5152 to an ABS expr, convert an unsigned input to signed.
5154 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
5156 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
5158 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5160 * configure.in: Add support for c4x targets.
5161 * configure: Rebuilt.
5163 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
5165 * combine.c (distribute_notes): If an insn is a cc0 user, only
5166 delete it if we can also delete the cc0 setter.
5168 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
5170 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
5171 (invert_truthvalue): Enable truthvalue inversion for
5172 floating-point operands if -ffast-math.
5174 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
5176 * configure.in: Disable collect2 for nextstep. Instead use
5178 * configure: Rebuilt.
5179 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
5180 (ENDFILE_SPEC): Define.
5181 (OBJECT_FORMAT_MACHO): Define.
5182 (EH_FRAME_SECTION_ASM_OP): Define.
5183 * crtstuff.c: Handle MACHO.
5185 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
5187 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
5189 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
5191 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
5192 (_fpadd_parts): Get sign right for 0.
5194 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5196 * ginclude/varargs.h: Add support for C4x target.
5197 * ginclude/stdargs.h: Likewise.
5199 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
5201 * alpha.c (alpha_return_addr): SET should be VOIDmode.
5202 (alpha_emit_set_long_const): Rewrite to be callable from reload
5204 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
5205 * alpha.md (movdi): Likewise.
5207 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
5209 * arm.c (add_constant): New parameter address_only, change caller.
5210 Set it non-zero if taking the address of an item in the pool.
5211 (arm_reorg): Handle cases where we need the address of an item in
5214 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
5216 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
5217 memory addresses that are not in standard canonical form.
5219 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
5221 * README.C4X: New file with information about the c4x ports.
5222 * ginclude/va-c4x.h: New file for c4x varargs support.
5223 * config/c4x: New directory with c4x port files.
5225 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
5227 * reload.c (find_reloads): Do not replace a pseudo with
5228 (MEM (reg_equiv_addr)) in the initializing insn for the
5231 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
5233 * toplev.c (rest_of_compilation): Set bct_p on second call to
5235 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
5237 (strength_reduce): Only call analyze_loop_iterations and
5238 insert_bct if bct_p set.
5239 (check_dbra_loop): Fix typo.
5240 (insert_bct): Use word_mode instead of SImode.
5241 (instrument_loop_bct): Likewise. Do not delete iteration count
5242 condition code generation insn. Initialize iteration count before
5244 * rtl.h (loop_optimize): Update prototype.
5246 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
5247 not doubleword aligned.
5249 * rs6000.c (optimization_options): New function.
5250 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
5251 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
5252 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
5253 first; cr1 can be used for FP record condition insns.
5255 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
5257 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
5260 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
5263 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
5265 (block_move_call): New function: Call a library routine to copy a
5267 (m32r_expand_block_move): New function: Expand a "movstrsi"
5268 pattern into a sequence of insns.
5269 (m32r_output_block_move): New function: Expand a
5270 "movstrsi_internal" pattern into a sequence of assembler opcodes.
5271 (m32r_block_immediate_operand): New function: Return true if the
5272 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
5274 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5276 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
5278 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
5280 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5282 * regmove.c (copy_src_to_dest): Check that modes match.
5284 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
5286 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
5288 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
5290 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
5291 narrower than FLOAT_REGS.
5293 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5295 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
5297 * Makefile.in (old_gxx_include_dir): removed
5299 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
5301 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
5304 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
5305 (sh_handle_pragma): Change function arguments to match new
5306 specification for HANDLE_PRAGMA.
5308 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5310 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
5312 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
5313 When generating output, initialize missing struct member to zero.
5315 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5317 * regmove.c (copy_src_to_dest): Don't copy if that requires
5318 (a) new register(s).
5320 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5322 * global.c (reg_allocno): Now static.
5323 * reload1.c (reg_allocno): Delete declaration.
5324 (order_regs_for_reload): Take no arguments. Don't treat regs
5325 allocated by global differently than those allocated by local-alloc.
5327 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5329 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
5330 condition, fix format strings.
5331 (output_function_epilogue): Likewise.
5333 * m68k/m68k.c: Don't include <stdlib.h> directly.
5335 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
5337 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
5338 mem_first_set, mem_last_set; because 0 can be a CUID.
5339 (oprs_unchanged_p): Use new definition.
5340 (record_last_reg_set_info): Likewise.
5341 (record_last_mem_set_info): Likewise.
5342 (compute_hash_table): Likewise.
5344 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
5346 * rs6000.c (output_epilogue): Handle Chill.
5348 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5349 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5351 * combine.c (make_extraction): If no mode is specified for
5352 an operand of insv, extv, or extzv, default it to word_mode.
5353 (simplify_comparison): Similarly.
5354 * expmed.c (store_bit_field): Similarly.
5355 (extract_bit_field): Similarly.
5356 * function.c (fixup_var_regs_1): Similarly.
5357 * recog.c (validate_replace_rtx_1): Similarly.
5358 * mips.md (extv, extzv, insv expanders): Default modes for most
5359 operands. Handle TARGET_64BIT.
5360 (movdi_uld, movdi_usd): New patterns.
5362 * pa.c (emit_move_sequence): Do not replace a pseudo with its
5363 equivalent memory location unless we have been provided a scratch
5364 register. Similarly do not call find_replacement unless a
5365 scratch register has been provided.
5367 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5369 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
5372 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
5374 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
5375 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
5376 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
5377 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
5378 * c-decl.c (init_decl_processing): Update accordingly.
5379 * expr.c (expand_builtin): Likewise.
5381 * rtl.h (global_rtl): Add cfa entry.
5382 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
5383 (LAST_VIRTUAL_REGISTER): Update.
5384 * emit-rtl.c (global_rtl): Add cfa entry.
5385 (init_emit): Initialize it.
5386 * function.c (cfa_offset): New.
5387 (instantiate_virtual_regs): Initialize it.
5388 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
5389 (expand_function_end): Call expand_eh_return.
5390 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
5392 * except.c (current_function_eh_stub_label): Kill.
5393 (current_function_eh_old_stub_label): Likwise; update all references.
5394 (expand_builtin_set_return_addr_reg): Kill.
5395 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
5396 (expand_builtin_set_eh_regs): Kill.
5397 (eh_regs): Produce a third reg for the actual handler address.
5398 (eh_return_context, eh_return_stack_adjust): New.
5399 (eh_return_handler, eh_return_stub_label): New.
5400 (init_eh_for_function): Initialize them.
5401 (expand_builtin_eh_return, expand_eh_return): New.
5402 * except.h: Update prototypes.
5403 * flow.c (find_basic_blocks_1): Update references to the stub label.
5404 * function.h (struct function): Kill stub label elements.
5406 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
5407 register number is one that would be in the previous window.
5408 Provide a dummy definition for non-windowed targets.
5409 (get_reg_addr): New function.
5410 (get_reg, put_reg, copy_reg): Use it.
5411 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
5412 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
5414 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
5415 (alpha_init_expanders): Initialize it.
5416 (alpha_expand_epilogue): Use it.
5417 * alpha.h: Declare it.
5418 * alpha.md (eh_epilogue): New.
5420 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
5421 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
5423 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
5425 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
5428 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5430 * except.h (struct eh_entry): Add false_label field.
5431 (end_catch_handler): Add prototype.
5432 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
5433 (start_catch_handler): When using old style exceptions, issue
5434 runtime typematch code before continuing with the handler.
5435 (end_catch_handler): New function, generates label after handler
5436 if needed by older style exceptions.
5437 (expand_start_all_catch): No need to check for new style exceptions.
5438 (output_exception_table_entry): Only output the first handler label
5439 for old style exceptions.
5440 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
5441 mechanism into one function, if a runtime matcher is provided.
5443 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5445 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
5447 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
5449 * integrate.c (copy_decl_list): Fix typo.
5451 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5453 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
5456 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
5458 * version.c: Bump for snapshot.
5460 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
5462 * version.c: Bump for snapshot.
5464 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
5466 * version.c: Bump for snapshot.
5468 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5470 * invoke.texi (C Dialect Options): Put back missing @end itemize.
5472 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5474 * configure.in: remove usage of `!' to negate the result of a
5475 command; some common shells do not support it
5477 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5479 * configure.in: in sparc9-sol2 config, use 'if test' not
5481 * configure: Rebuilt.
5483 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
5485 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
5486 (CPP_CPU_DEFAULT_SPEC): Likewise.
5487 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
5488 for arch64 libfuncs.
5490 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
5493 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5495 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
5497 * collect2.c: Don't declare `sys_siglist' here.
5498 (my_strsignal): Prototype and define new function. Use it in
5499 place of `sys_siglist' hacks.
5501 * mips_tfile.c: Likewise.
5503 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
5504 (GCC_NEED_DECLARATIONS): Likewise.
5506 * system.h (strsignal): Prototype it, if necessary.
5507 (sys_siglist): Declare it, if necessary.
5509 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5511 * loop.c (move_movables): While removing insn sequences, preserve
5512 the next pointer of the most recently deleted insn when we skip
5515 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
5517 * objc/config-lang.in: Do not output the name of the selected
5518 thread file when building the front-end. The Makefile for the
5519 runtime library will do this.
5521 * objc/Make-lang.in: Do not build the runtime library or install
5522 the Objective C header files. The Makefile for the runtime
5523 library will do this.
5525 * objc/Makefile.in (all.indirect): Only build the front-end.
5526 (compiler): Rename to `frontend'.
5527 (obj-runtime): Remove target.
5528 (copy-headers): Likewise.
5529 (clean): No need to remove `libobjc.a' any longer.
5531 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
5533 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
5534 supported with -mcpu=xxx.
5536 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5538 * flow.c (mark_set_1): Recognize multi-register structure return
5539 values in CALL insns.
5540 (mark_used_regs): Likewise.
5541 (count_reg_sets_1): Likewise.
5542 (count_reg_references): Likewise.
5543 * rtlanal.c (note_stores): Likewise.
5544 (reg_overlap_mentioned_p): Likewise.
5545 * haifa-sched.c (check_live_1): Likewise.
5546 (update_live_1): Likewise.
5547 (sched_analyze_1): Likewise.
5548 (sched_note_set): Likewise.
5549 (birthing_insn_p): Likewise.
5550 (attach_deaths): Likewise.
5552 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
5555 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
5557 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
5559 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5561 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
5563 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5565 * configure.in: Add check for GAS subsection -1 support.
5566 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
5567 * configure config.in: Rebuilt.
5568 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
5569 SImode is subsection -1 works, else use DImode.
5570 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
5571 subsection -1 works.
5572 * config/sparc/sparc.c (sparc_output_addr_vec,
5573 sparc_output_addr_diff_vec): Use them if defined.
5575 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
5577 * tree.h (DECL_ORIGIN): New macro.
5578 * integrate.c (copy_and_set_decl_abstract_origin): New function.
5579 (copy_decl_list): Use it.
5580 (integrate_parm_decls): Likewise.
5581 (integrate_decl_tree): Likewise.
5582 * dwarf2out.c (decl_ultimate_origin): Simplify.
5583 * dwarfout.c (decl_ultimate_origin): Likewise.
5584 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
5585 (pushdecl): Likewise.
5587 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
5589 * config/rs6000/rs6000.c (output_epilog): Add Java support.
5591 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
5593 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
5595 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
5597 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
5598 empty or has a single entry.
5600 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
5601 before calling reg_to_stack.
5603 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
5605 * alpha.c (alphaev5_insn_pipe): Abort on default case.
5606 (alphaev5_next_group): Swallow CLOBBERs and USEs.
5608 * c-tree.h (warn_long_long): Declare it.
5610 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
5612 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5613 initialized float-int union if the value is a NaN.
5615 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
5617 * c-lex.c (real_yylex): Don't warn about long long constants if
5618 we're allowing long long
5620 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5622 * except.h (current_function_eh_stub_label): Declare.
5623 (current_function_eh_old_stub_label): Declare.
5624 * function.h (struct function): New members eh_stub_label and
5626 * except.c (current_function_eh_stub_label): New variable.
5627 (current_function_eh_old_stub_label): New variable.
5628 (init_eh_for_function): Clear them.
5629 (save_eh_status): Save them.
5630 (restore_eh_status): Restore them.
5631 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
5632 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
5633 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
5634 make an edge from the block that contains it to the block starting
5635 with the label if this label is one of the eh stub labels.
5636 If eh stub labels exist, show they are reachable from the last block
5639 * reload1.c (reload): Break out several subroutines and make some
5641 (calculate_needs_all_insns): New function, broken out of reload.
5642 (calculate_needs): Likewise.
5643 (find_reload_regs): Likewise.
5644 (find_group): Likewise.
5645 (find_tworeg_group): Likewise.
5646 (something_needs_reloads): New global variable, formerly in reload.
5647 (something_needs_elimination): Likewise.
5648 (caller_save_spill_class): Likewise.
5649 (caller_save_group_size): Likewise.
5650 (max_needs): Likewise.
5651 (group_size): Likewise.
5652 (max_groups): Likewise.
5653 (max_nongroups): Likewise.
5654 (group_mode): Likewise.
5655 (max_needs_insn): Likewise.
5656 (max_groups_insn): Likewise.
5657 (max_nongroups_insn): Likewise.
5658 (failure): Likewise.
5660 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
5662 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
5664 * loop.c (load_mems): Copy rtx for output mem.
5666 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
5668 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
5669 mips1 or mips2 either.
5671 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
5673 * pa.c (pa_reorg): New marking scheme for jumps inside switch
5675 (pa_adjust_insn_length): Update to work with new marking scheme
5676 for jumps inside switch tables.
5677 * pa.md (switch_jump): Remove pattern.
5678 (jump): Handle jumps inside jump tables.
5680 * Makefile.in (profile.o): Depend on insn-config.h
5682 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
5684 * iris6.h (DWARF2_UNWIND_INFO): Undef.
5686 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5688 Add preliminary native sparcv9 Solaris support.
5689 * configure.in: Recognize sparv9-*-solaris2*
5690 * configure: rebuilt
5691 * config.sub: Recognize sparcv9 just like sparc64.
5692 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
5693 config/sparc/sol2-cn.asm: Macroize so it can be shared between
5694 32-bit and 64-bit Solaris systems.
5695 * config/sparc/t-sol2: Assemble those with cpp.
5696 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
5697 (*TF*_LIBCALL): If ARCH64 use V9 names.
5698 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
5700 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5702 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
5703 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
5705 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
5707 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
5708 to Pmode if CASE_VECTOR_MODE is something else.
5710 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
5712 * prefix.c (update_path): Correctly handle cases where PATH is
5713 a substring of the builtin prefix, but specifies a different
5716 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
5718 * expr.c: Corrected comment about what MOVE_RATIO does.
5719 * config/alpha/alpha.h: Ditto.
5720 * config/1750a/1750a.h: Ditto.
5721 * config/clipper/clipper.h: Ditto.
5722 * config/i386/i386.h: Ditto.
5724 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
5726 * configure.in (m68k-next-nextstep3*): Use collect2.
5727 Similarly for x86 NeXT configurations.
5728 * configure: Rebuilt.
5730 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
5732 * configure.in: Don't assume srcdir is .../gcc
5733 * configure: Rebuilt.
5735 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
5737 * global.c: Update comments.
5738 (global_alloc): Assign allocation-numbers
5739 even for registers allocated by local_alloc in case
5740 they are later spilled and retry_global_alloc is called.
5741 (mark_reg_store, mark_reg_clobber,
5742 mark_reg_conflicts, mark_reg_death): Always record a
5743 conflict with a pseudo register even if it has been
5744 assigned to a hard register.
5745 (dump_conflicts): Don't list pseudo registers already assigned to
5746 a hard register as needing to be allocated, but do list their
5748 * local-alloc.c: Update comment.
5750 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
5752 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
5753 * configure: Rebuilt.
5755 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
5757 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
5759 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
5760 for all targets that set -msoft-float.
5762 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5764 * toplev.c (print_switch_values): Make static to match prototype.
5766 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
5768 * configure.in: If we are unable to find the "gnatbind" program,
5769 then do not configure the ada subdir.
5770 * configure: Rebuilt.
5772 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
5774 * version.c: Bump for snapshot.
5776 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
5778 * version.c: Bump for snapshot.
5780 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5782 * Makefile.in (toplev.o): Depend on $(EXPR_H).
5783 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
5785 * gansidecl.h: Define ATTRIBUTE_NORETURN.
5787 * genattrtab.c: Have insn-attrtab.c include toplev.h.
5789 * genextract.c: Have insn-extract.c include toplev.h.
5791 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
5793 * toplev.c: Include expr.h.
5794 (really_sorry, fancy_abort): Remove prototypes.
5795 (set_target_switch): Add argument in prototype.
5796 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
5797 (v_really_sorry): Likewise.
5798 (print_version, print_single_switch, print_switch_values): Make
5799 static and add prototype arguments.
5800 (decl_printable_name): Add prototype arguments.
5801 (lang_expand_expr_t): New typedef.
5802 (lang_expand_expr): Declare as a lang_expand_expr_t.
5803 (incomplete_decl_finalize_hook): Add prototype argument.
5804 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
5805 (botch): Likewise for variable `s'.
5806 (rest_of_type_compilation): Mark variables `type' and `toplev'
5807 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
5808 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
5809 (display_help): Make variable `i' an `unsigned long'.
5810 (main): Remove unused parameter `envp'.
5811 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
5812 Cast -1 when comparing it with a `size_t'.
5814 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
5815 prototype with ATTRIBUTE_NORETURN.
5816 (fatal_insn_not_found, fatal_insn, really_sorry,
5817 push_float_handler, pop_float_handler): Add prototypes.
5818 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
5819 (do_abort, botch): Add prototypes.
5821 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
5823 * final.c (final): If a label is reached only from a single jump,
5824 call NOTICE_UPDATE_CC on the jump and its predecessor before
5825 emitting the insn after the label.
5827 * i386.h: Add AMD K6 support.
5828 Change TARGET_* macros to use table lookup.
5829 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
5830 (ADJUST_COST): Change definition to call function in i386.c.
5831 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
5832 * i386.c: Add AMD K6 support.
5833 Add constants for feature tests used by TARGET_* macros.
5834 (split_di): If before reload, call gen_lowpart and gen_highpart.
5835 (x86_adjust_cost): New function.
5836 (put_jump_code): New function.
5837 (print_operand): New codes 'D' and 'd'.
5838 * i386.md: New insn types. New insn attribute "memory".
5839 Redefine scheduling parameters to use new types and add AMD K6
5840 support. Explicitly set type of most insns.
5841 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
5842 Pro and K6 prefer movl $1,reg to incl reg.
5843 (adddi3, subdi3): Set cc_status.
5844 (DImode shift patterns): Change label counters from HOST_WIDE_INT
5845 to int; x86 can't have more than 2^31 DImode shifts per file.
5846 (setcc): Combine all setcc patterns. Allow writing memory.
5847 Combine all jump patterns using match_operator.
5848 (*bzero): Name pattern. Emit mutliple stos instructions when that
5849 is faster than rep stos.
5850 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
5853 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
5855 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
5858 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
5860 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
5861 not whatever we're generating now.
5863 * alpha.c (set_frame_related_p, FRP): New.
5864 (alpha_expand_prologue): Mark frame related insns.
5865 (alpha_expand_epilogue): Likewise, but with a null FRP.
5866 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
5867 * alpha.md (exception_receiver): New.
5868 * alpha/crtbegin.asm (.eh_frame): New beginning.
5869 (__do_frame_setup, __do_frame_takedown): New.
5870 * alpha/crtend.asm (.eh_frame): New ending.
5871 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
5872 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
5873 (ASM_FILE_START): Don't emit .file for dwarf2.
5875 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
5876 * rtl.c (reg_note_name): Likewise.
5877 * rtl.texi (REG_NOTES): Likewise.
5878 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
5881 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
5883 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
5884 * i386.md (movsf, movdf, movxf): Validate memory address returned
5885 from force_const_mem. Kill useless REG_EQUAL setting code.
5887 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
5889 * m68k.md (zero_extendsidi2): Fix typo.
5891 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
5893 * configure.in: Removed references to the removed file
5894 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
5895 * arm*-*-netbsd* and ns32k-*-netbsd*.
5896 * config/i386/xm-netbsd.h: Removed unnecessary file.
5897 * config/m68k/xm-netbsd.h: Likewise.
5898 * config/sparc/xm-netbsd.h: Likewise.
5899 * config/mips/xm-netbsd.h: Likewise.
5901 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
5903 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
5904 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
5906 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
5907 for exact section attributions.
5909 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
5911 * i386/crtdll.h (CPP_PREDEFINES): Define.
5913 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
5915 * m68k.md (5200 movqi): Do not allow byte sized memory references
5917 * m68k.c (output_move_qimode): Do not use byte sized operations on
5920 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
5921 explicit rules for building. Similarly for alloca, vfprintf,
5922 choose-temp and mkstemp, getopt, getopt1, and obstack.
5923 (INCLUDES): Add $(srcdir)/../include.
5924 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
5925 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
5927 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
5929 * gcc.c (do_spec_1): [case 'o'] Account for
5930 lang_specific_extra_outfiles.
5931 (main): Correctly clear all slots in outfiles for
5932 lang_specific_extra_outfiles. Set input_file_number before
5933 calling lang_specific_pre_link.
5935 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
5937 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
5939 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5941 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
5943 (sparc_output_deferred_case_vectors): If no work to do, return.
5944 Fix thinko in Sept 1 change.
5946 1998-09-03 SL Baur <steve@altair.xemacs.org>
5948 * Makefile.in: add semicolon in BISON definition for portability.
5950 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5952 * config/nextstep.c (handle_pragma): Correct name of third
5955 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
5957 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
5958 * config/m32r/m32r.h: Make register 17 be fixed.
5959 * config/m32r/m32r.c: Use SImode for cc operations.
5961 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
5963 * invoke.texi (Warning Options): Add -Wnon-template-friend
5966 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
5968 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
5970 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
5972 * rs6000.md (movsf): Disable explicit secondary-reload-like
5973 functionality if TARGET_POWERPC64.
5974 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
5977 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
5979 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
5980 and term.h from fixinc.wrap.
5982 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5984 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
5985 safe to include both string.h and strings.h together.
5986 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
5987 which headers to search for function declarations. Continue to
5988 prefer string.h over strings.h when both are not acceptable.
5990 * acconfig.h (STRING_WITH_STRINGS): Add stub.
5992 * configure.in: Call GCC_HEADER_STRING.
5994 * system.h: Test STRING_WITH_STRINGS when deciding which headers
5995 to include. Continue to prefer string.h over strings.h when both
5998 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6000 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
6001 not assume top 32-bits of symbolic addresses are zero if
6004 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
6006 * ginclude/va-alpha.h: Protect entire second portion of the
6007 file against double inclusion.
6009 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
6011 Added support for the Boehm's garbage collector.
6012 * configure.in: Handle --enable-objc-gc.
6013 * configure: Rebuilt.
6014 * Makefile.in (CHECK_TARGETS): Add check-objc.
6015 (check-objc): New rule.
6016 * objc/Make-lang.in: Build a different Objective-C library that
6017 runs with the Boehm's collector.
6018 * objc/encoding.c (objc_round_acc_size_for_types): New function.
6019 * objc/encoding.c: Correctly compute the size of compound types in
6020 the presence of bitfields. Skip the variable name of the type if
6021 any. Added support for long long.
6022 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
6023 (_F_GCINVISIBLE): New mask.
6024 * objc/gc.c: New file. Compute the type memory mask associated with
6025 a class based on the runtime information.
6026 * objc/misc.c: Added the hooks that use the Boehm's collector
6027 allocation functions.
6028 * objc/objc-act.c (build_class_template): Generate a new class
6029 member (gc_object_type) to hold the class' type memory mask.
6030 (build_shared_structure_initializer): Initialize the new member to
6032 (encode_complete_bitfield): New function. Generate the new
6034 (encode_field_decl): Generate the new encoding only for the GNU
6036 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
6038 (class_get_gc_object_type): New function to mark a pointer instance
6039 variable as a weak pointer.
6040 * objc/objc-features.texi: New file.
6041 * objc/objc.h (gc_object_type): New class member.
6042 * objc/objects.c (class_create_instance): Create a typed memory
6043 object when compiled with Boehm's collector support.
6044 * objc/sendmsg.c (__objc_init_install_dtable): Call
6045 __objc_send_initialize instead of setting the initialize flag.
6046 (__objc_send_initialize): Call __objc_generate_gc_type_description
6047 to generate the class type memory mask. Rewrite the code that
6048 sends the +initialize so that it is called only once (bug report
6049 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
6050 * testsuite/objc: New testsuite for Objective-C type encoding.
6051 * testsuite/lib/objc-torture.exp: New file.
6052 * testsuite/lib/objc.exp: New file.
6054 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
6056 * jump.c (jump_optimize): In if/then/else transformations, add
6057 another call to modified_between_p for the jump insn.
6059 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
6061 * fix-header.c (symlink): Treat like readlink.
6063 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6065 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
6068 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
6070 * config/nextstep.h: Update HANDLE_PRAGMA macro.
6071 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
6072 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
6074 * config/nextstep.c (handle_pragma): Take three arguments, as per
6075 the new HANDLE_PRAGMA macro specification.
6076 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
6077 per the new HANDLE_PRAGMA macro specification.
6078 * config/i960/i960.c (process_pragma): Take three arguments, as
6079 per the new HANDLE_PRAGMA macro specification.
6081 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
6083 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
6084 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
6085 if unknown pragmas are encountered.
6086 (handle_sysv_pragma): Interpret return code from
6087 handle_pragma_token (). Return success/failure indication rather
6088 than next unprocessed character.
6089 (pragma_getc): New function: retrieves characters from the
6090 input stream. Defined when HANDLE_PRAGMA is enabled.
6091 (pragma_ungetc): New function: replaces characters back into the
6092 input stream. Defined when HANDLE_PRAGMA is enabled.
6094 * c-pragma.c (handle_pragma_token): Return success/failure status
6097 * c-pragma.h: Change prototype of handle_pragma_token().
6099 * varasm.c: (handle_pragma_weak): Only create this function if
6100 HANDLE_PRAGMA_WEAK is defined.
6102 * c-common,c (decl_attributes): If defined call the expression
6103 contained within the INSERT_ATTRIBUTES macro before adding
6104 attributes to a decl.
6106 * tm.texi (HANDLE_PRAGMA): Document the new verion of
6107 HANDLE_PRAGMA, which takes three arguments.
6108 (INSERT_ATTRIBUTES): Document this new macro.
6110 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
6111 new INSERT_ATTRIBUTES macro.
6113 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6115 * config/sparc/sparc.md (movdf): Only generate special RTL for
6116 LABEL_REFs when PIC.
6117 (move_label_di): Remove
6118 (movdi_pic_label_ref, movdi_high_pic_label_ref,
6119 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
6120 references when PIC.
6121 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
6122 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
6123 output an .xword for all 64-bit cases.
6125 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6127 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
6128 alignment, use FUNCTION_BOUNDARY instead.
6129 (sparc_output_deferred_case_vectors): Likewise.
6131 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6133 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
6134 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
6136 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
6138 * alpha/va_list.h: New file.
6139 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
6141 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
6143 * NEWS: Add SCO Openserver and Unixware 7 notes.
6147 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
6149 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
6150 (record_constant_1): Handle RANGE_EXPR.
6152 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
6154 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
6155 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
6156 and NOTE_INSN_RANGE_END specially.
6157 (reemit_notes): Likewise.
6159 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6161 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
6162 (ultrasparc_sched_init): Remove unneeded &.
6164 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6166 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
6167 for m68020-60, to prevent the use of fintrz.
6169 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
6171 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
6173 * Makefile.in: Likewise.
6174 * configure: Regenerated.
6176 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
6178 * configure.in (gxx_include_dir): Changed to
6179 '${prefix}/include/g++'-${libstdcxx_interface}.
6180 * configure: Rebuilt.
6182 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
6184 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
6186 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
6187 *sequences* *below* which scalar moves will be used.
6189 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
6191 * collect2.c (mktemp): Delete unused declaration.
6193 * config/xm-netbsd.h: Remove unnecessary file.
6194 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
6195 file anymore, it is not needed.
6197 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
6199 * convert.c (convert_to_integer): Issue an error on conversions to
6202 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
6204 * Makefile.in: Add lang_tree_files and gencheck.h.
6205 * configure.in: Generate them.
6206 * gencheck.c: Include gencheck.h.
6208 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6210 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
6211 movdi_lo_sum_pic and movdi_high_pic and make visible.
6212 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
6213 emit these when Pmode is not SImode.
6214 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
6216 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
6218 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
6219 .linkonce directive after the first time.
6221 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
6223 * m68k.md (beq0_di): Generate correct (and more efficient) code when
6224 the clobbered operand overlaps with an input.
6225 (bne0_di): Similarly.
6227 * Makefile.in (INSTALL): Remove "--no-header" argument.
6229 * NEWS: Various updates.
6231 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6233 * config/sparc/sparc.c (arith_operand, const64_operand,
6234 const64_high_operand, arith_double_4096_operand): Mark mode as
6236 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
6238 (sparc_emit_set_const64): Remove unused variable i.
6239 (sparc_splitdi_legitimate): Likewise for addr_part.
6240 (ultra_code_from_mask): Likewise for mask.
6241 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
6242 reverse return values so it matches usage and comments.
6243 (ultra_flush_pipeline): Likewise.
6244 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
6245 this_type, and allow loads and stores of differing FP modes as
6246 they do not create a conflict.
6247 (ultra_find_type): Initialize fpmode to SFmode, fix
6248 parenthesization thinkos in large conditional.
6249 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
6250 Init free_slot_mask after ultra_cur_hist is reset, not before.
6251 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
6252 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
6253 use ultra_flush_pipeline instead, then re-init group pointer.
6254 Fix statement with no effect. If no progress made in, and no
6255 instructions scheduled at all, advance to new pipeline cycle else
6256 we get into an endless loop.
6257 (ultrasparc_adjust_cost): Remove previous arg.
6258 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
6260 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
6262 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
6263 code. Use reg_overlap_mentioned_p to detect when source and
6264 destination overlap.
6265 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
6267 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
6269 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
6270 COMPARISON_VAL, into invariant_p.
6272 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6274 * regmove.c (regclass_compatible_p): New function.
6275 (regmove_optimize): Use it.
6277 Use NREGS parameter insted of calling max_reg_num.
6279 (fixup_match_1): Don't use code = MINUS when later tieing with
6280 a hard register is likely.
6282 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6284 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
6285 COMPARISON_VAL was normalized.
6287 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
6289 * loop.c (check_dbra_loop): The loop ending comparison value
6290 must be an invariant or we can not reverse the loop.
6292 * loop.c (scan_loop): Count down from max_reg_num - 1 to
6293 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
6295 (load_mems_and_recount_loop_regs_set): Likewise.
6297 * i386.c (print_operand): Remove obsolete 'c' docs.
6299 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
6301 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
6302 * frame.c (init_object_mutex): New function.
6303 (init_object_mutex_once): Likewise.
6304 (find_fde): Call it.
6305 (__register_frame_info): Likewise.
6306 (__register_frame_info_table): Likewise.
6307 (__deregister_frame_info): Likewise.
6309 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
6311 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
6313 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6315 * loop.c (check_dbra_loop): Enable code for reversal
6316 of some loops without a known constant loop end.
6318 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
6320 * haifa-sched.c (last_clock_var): New.
6321 (schedule_block): Initialize it.
6322 (schedule_insn): Use it to fill insn modes with issue information.
6324 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
6325 Tag trapb and next insn with TImode.
6326 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
6327 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
6328 Invoke alphaev5_align_insns as appropriate.
6329 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
6330 (MD_SCHED_VARIABLE_ISSUE): New.
6331 * alpha.md (attr type): Add multi.
6332 (define_asm_attributes): New.
6333 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
6334 (arg_home): Likewise.
6335 (fnop, unop, realign): New.
6337 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
6339 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
6340 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
6342 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
6343 (rs6000-ibm-aix4.[12]*): Likewise.
6344 * configure: Regnerate.
6346 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
6348 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
6349 already contains the return address.
6351 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
6353 * calls.c (expand_call): Use bitfield instructions to extract/deposit
6354 word sized hunks when loading unaligned args into registers.
6356 * haifa-sched.c (sched_analyze_insn): Only create scheduling
6357 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
6359 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
6361 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6363 * loop.c (check_dbra_loop): Add some code that would allow reversal
6364 of some loops without a known constant loop end if it were enabled.
6366 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
6368 * mips.md (lshrsi3_internal2+2): Fix type-o.
6370 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6372 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
6373 correctly with regards to stdio.h.
6375 * calls.c: Remove stdarg.h/varargs.h.
6378 * combine.c: Likewise.
6379 * cpperror.c: Likewise.
6380 * cpplib.c: Likewise.
6381 * cpplib.h: Likewise.
6382 * doprint.c: Likewise.
6383 * emit-rtl.c: Likewise.
6384 * final.c: Likewise.
6385 * fix-header.c: Likewise.
6387 * genattr.c: Likewise.
6388 * genattrtab.c: Likewise.
6389 * gencodes.c: Likewise.
6390 * genconfig.c: Likewise.
6391 * genemit.c: Likewise.
6392 * genextract.c: Likewise.
6393 * genflags.c: Likewise.
6394 * genopinit.c: Likewise.
6395 * genoutput.c: Likewise.
6396 * genpeep.c: Likewise.
6397 * genrecog.c: Likewise.
6398 * mips-tfile.c: Likewise.
6399 * prefix.c: Likewise.
6400 * protoize.c: Likewise.
6401 * regmove.c: Likewise.
6402 * toplev.c: Likewise.
6405 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6407 * config/sparc/sparc.c (sparc_override_options): If not
6408 TARGET_FPU, turn off TARGET_VIS.
6409 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
6410 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
6411 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
6412 (movdi_insn_sp64): Add VIS fzero alternative.
6413 (clear_sf, clear_df): New VIS patterns.
6414 (movsf, movdf expanders): Allow fp_zero_operand flat out when
6416 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
6418 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
6420 * loop.c (n_times_set, n_times_used, may_not_optimize,
6421 reg_single_usage): Convert to varrays. All uses changed.
6422 (insert_loop_mem): Return a value.
6423 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
6424 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
6427 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
6430 * configure.in: Do not set thread_file to "irix" since no such
6433 * sparc.md (float abs/neg splits): Check reload_completed before
6434 calling alter_subreg.
6436 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6438 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
6440 * config/sparc/sparc.h: Declare it.
6441 * config/sparc/sparc.md (float abs/neg splits): Use it.
6442 (all other splits): Handle SUBREGs properly where necessary.
6443 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
6445 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
6447 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
6448 an insn on the unfilled_slots_list that has no delay slots.
6449 (fill_eager_delay_slots): Similarly.
6451 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
6453 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
6454 as an ordinary operand.
6456 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
6458 * tree.c (valid_machine_attribute): Don't apply attributes to both
6461 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
6463 * reload.c (operands_match_p): Handle rtvecs.
6465 * i386.c (legitimate_pic_address_disp_p): New.
6466 (legitimate_address_p): Use it.
6467 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
6468 Handle constant pool symbols just like statics.
6469 (emit_pic_move): Use Pmode not SImode for clarity.
6470 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
6471 [UNSPEC]: New, handling what we killed above.
6472 [PLUS]: Detect and abort on invalid symbol arithmetic.
6473 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
6475 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
6477 * alias.c: Include output.h.
6478 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
6479 different if we're in a varargs function.
6480 * Makefile.in (alias.o): Depend on output.h
6482 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6484 * sh.h (GIV_SORT_CRITERION): Delete.
6486 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
6488 * regclass.c (regclass): Use xmalloc/free instead of alloca.
6489 * stupid.c (stupid_life_analysis): Ditto.
6490 * reload1.c (reload): Ditto.
6492 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6494 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
6495 arith_double_4096_operand, arith_double_add_operand): New
6497 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
6498 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
6499 them to transform add/sub 4096 into add/sub -4096.
6501 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6503 * loop.c (scan_loop): Allocate some slop to handle pseudos
6504 generated by move_movables.
6505 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
6508 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
6510 * tree.def (DECL_RESULT): Correct documentation.
6512 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6514 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
6515 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
6516 conflicts will all RELOAD_FOR_OUTPUT reloads.
6518 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
6519 loads the function result, substitute with a USE.
6521 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6523 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
6524 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
6525 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
6526 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
6527 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
6528 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
6530 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
6531 'o' to 'm' for GPR variant constraints.
6533 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
6535 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
6537 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
6539 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
6540 when the source and destination overlap.
6542 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
6543 clash with global type.
6545 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
6547 * fixinc.irix: Add curses.h handling from fixinc.wrap.
6549 * c-common.c (combine_strings): Also set TREE_READONLY.
6550 Change warn_write_strings to flag_const_strings.
6551 * c-decl.c, c-tree.h: Likewise.
6553 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6555 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
6556 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
6557 sequence, use SET/IOR instead so CSE can see it.
6558 * config/sparc/sparc.md (movhi_const64_special,
6559 movsi_const64_special): New patterns necessitated by that change.
6560 (movhi_high): Remove.
6561 (movhi_lo_sum): Change to match an IOR.
6562 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
6563 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
6564 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
6565 (movdf splits): Allow when not V9 or when not ARCH64 and integer
6566 registers are involved.
6567 (snesi_zero_extend split): Remove reload_completed test.
6568 (unnamed plus and minus zero_extend sidi splits): Add it.
6570 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
6572 * extend.texi: Remove description of extension to explicit
6573 instantiation that is now endorsed by standard C++.
6575 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6577 * config/arc/arc.c (arc_initialize_pic): Remove.
6578 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
6579 nothing on any platform and is invoked by no-one, it does not even
6580 appear in the documentation.
6581 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
6582 * config/sparc/sparc.c (initialize_pic): Likewise.
6583 (find_addr_reg): Remove this as well, no longer referenced after
6586 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
6588 * recog.c (validate_replace_rtx_group): New function.
6589 * recog.h (validate_replace_rtx_group): Declare it.
6590 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
6591 the entire group of substitutions.
6593 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
6595 * loop.c (load_mems): Fix initializers.
6597 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6599 * config/sparc/sparc.md (TFmode splits): Handle destination
6600 registers being referenced in the address correctly.
6602 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
6603 TREE_UNSIGNED, when bitsize of type's mode is larger than
6604 HOST_BITS_PER_WIDE_INT.
6606 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6608 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
6609 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
6610 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
6612 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
6615 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
6617 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
6618 * h8300.h (TINY_DATA_NAME_P): Likewise.
6619 (STRIP_NAME_ENCODING): Handle '&'.
6621 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
6622 register (it could be accessed via an outer SUBREG).
6623 (REG_OK_FOR_BASE_P): Likewwise.
6624 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
6626 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
6629 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
6631 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6633 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
6634 must be offsettable so the splits can be made.
6636 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
6638 * config/i386/winnt.c: Include system.h, not stdio.h to get
6639 sys/param.h pulled in before rtl.h in case the system defines MIN
6642 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
6644 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
6646 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
6648 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
6650 * cpplib.c (cpp_define): Handle macros with parameters.
6652 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
6654 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
6655 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
6656 and DImode 64-bit. Use llong for minimal-toc SFmode and
6657 SYMBOL_REF / LABEL_REF 64-bit.
6658 (output_function_profiler): Use llong for profiler label and ld to
6659 load 64-bit label address.
6661 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
6663 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
6666 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
6668 * version.c: Bump for snapshot.
6670 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
6672 * version.c: Bump for snapshot.
6674 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
6676 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
6678 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
6680 * tm.texi (Misc): Fix typo "teh".
6682 * tm.texi (PIC): Fix typo "PPIC".
6684 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
6685 effect when -O2 and higher.
6686 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
6688 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
6690 * regclass.c: Changed register set documentation to be consistent
6693 * final.c (final_start_function) Removed redundant test for
6696 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
6698 * rtl.h (rtx_function): New type.
6699 (for_each_rtx): New function.
6700 * rtlanal.c (for_each_rtx): Define it.
6702 * recog.c (change_t): New type.
6703 (change_objects, change_old_codes, change_locs, change_olds):
6705 (changes): New variable.
6706 (validate_change): Dynamically allocate room for more changes, if
6707 necessary. Uses changes array instead of change_objects, etc.
6708 (apply_change_group): Use changes array instead of
6709 change_objects, etc.
6711 * loop.c (loop_mem_info): New type.
6712 (loop_mems): New variable.
6713 (loop_mems_idx): Likewise.
6714 (looop_mems_allocated): Likewise.
6715 (scan_loop): Remove nregs parameter.
6716 (next_insn_in_loop): New function.
6717 (load_mems_and_recount_loop_regs_set): Likewise.
6718 (load_mems): Likewise.
6719 (insert_loop_mem): Likewise.
6720 (replace_loop_mem): Likewise.
6721 (replace_label): Likewise.
6722 (INSN_IN_RANGE_P): New macro.
6723 (loop_optimize): Don't pass max_reg_num() to scan_loop.
6724 (scan_loop): Remove nregs parameter, compute it after any new
6725 registers are created by load_mems. Use INSN_IN_RANGE_P and
6726 next_insn_in_loop rather than expanding them inline. Call
6727 load_mems to load memory into pseudos, if appropriate.
6728 (prescan_loop): Figure out whether or not there are jumps from the
6729 loop to targets other than the label immediately following the
6730 loop. Call insert_loop_mem to notice all the MEMs used in the
6731 loop, if it could be safe to pull MEMs into REGs for the duration
6733 (strength_reduce): Use next_insn_in_loop. Tweak comments.
6735 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
6737 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
6739 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6741 * config/sparc/sparc.c (finalize_pic): Check for the correct
6742 nonlocal_goto_receiver UNSPEC number.
6743 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
6744 making note of this dependency existing in sparc.c
6745 (negtf2_notv9 split): Give NEG SFmode.
6746 (negsf2): Fix insn output string.
6748 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
6750 * c-common.c (decl_attributes): Issue an error if the argument
6751 to alias is not a string.
6753 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
6755 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
6756 pending memory flush list.
6758 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
6760 (try_combine): Allow combining insns with REG_LIBCALL notes.
6762 * expr.c (emit_block_move): Do not call memcpy as a libcall
6763 instead build up a CALL_EXPR and call it like any other
6765 (clear_storage): Similarly for memset.
6767 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
6770 * Makefile.in (cplus-dem.o): Provide explicit rules for building
6773 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
6774 and REG_LIVE_LENGTH as successful substitutions are made.
6776 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6778 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
6779 statement after end of loop label.
6781 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6783 * config/sparc/sparc.c (ultra_types_avail): New variable.
6784 (ultra_build_types_avail): New function to record mask of insn
6785 types in ready list at this cycle.
6786 (ultrasparc_sched_reorder): Call it.
6787 (ultra_find_type): Use it to quicken the search. Also simplif
6788 dependency check, don't use rtx_equal_p because we know exactly
6789 what we are looking for.
6791 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
6793 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
6794 for architecture v4.
6796 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6798 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
6800 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
6801 movdf_const_intreg and helper splits): New patterns to move float
6802 constants into integer registers.
6803 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
6806 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
6809 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
6811 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
6813 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
6814 a BASE_REGS register is needed as an intermediate when copying
6815 a symbolic value into any register class other than BASE_REGS.
6817 * expr.c (move_by_pieces): No longer static. Remove prototype.
6818 * rtl.h (move_by_pieces): Add extern prototype.
6819 * mips.c (expand_block_move): Handle aligned straight line copy by
6820 calling move_by_pieces.
6822 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
6825 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
6827 * stmt.c (expand_end_loop): Tidy. Allow unconditional
6828 jumps out of the loop to be treated as part of the exit test.
6830 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6831 Jeff Law <law@cygnus.com>
6833 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
6834 * cplus-dem.c: Delete.
6836 * Makefile.in (fold-const.o): depend on $(RTL_H).
6838 * fold-const.c: Include rtl.h to get the prototype for
6839 `set_identifier_local_value'.
6841 * loop.c (express_from_1): Remove unused variable `tmp'.
6842 (combine_givs): cast the first argument of bzero to char *.
6844 * toplev.c (display_help): Remove unused variable `looking_for_start'.
6846 * c-decl.c (init_decl_processing): Remove unneeded &.
6848 * alpha.h (alpha_initialize_trampoline): Provide prototype.
6850 * except.c (set_exception_lang_code, set_exception_version_code):
6851 Change parameter from `short' to `int' to avoid using a gcc
6854 * except.h (set_exception_lang_code, set_exception_version_code):
6855 Likewise for prototypes.
6857 * flow.c (count_reg_references): Remove unused variables `regno'
6860 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
6862 * prefix.c (translate_name): Cast the result of `alloca'.
6864 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
6866 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6868 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
6870 (valid_dbcc_comparison_p): Mark mode argument as unused.
6871 (symbolic_operand): Likewise.
6872 (legitimize_pic_address): Likewise.
6873 (const_uint32_operand): Likewise.
6874 (const_sint32_operand): Likewise.
6875 * sched.c [!INSN_SCHEDULING]: Define only dummy function
6876 schedule_insns and comment out rest of file.
6878 * m68k.c (output_move_simode_const): Use subl to move a zero into an
6880 (output_move_[hq]imode): Likewise.
6882 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
6884 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
6885 * invoke.texi: Corresponding changes.
6887 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
6889 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
6891 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6893 * config/sparc/sparc.c (ultra_code_from_mask,
6894 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
6895 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
6896 ultrasparc_sched_init, ultrasparc_variable_issue,
6897 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
6898 functions to describe UltraSPARC pipeline exactly to Haifa.
6899 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
6900 as there is nothing the scheduler can do about it. Indicate that
6901 REG_DEP_OUTPUT's collide. Fixup formatting.
6902 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
6903 divide costs on Ultra for DImode.
6904 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
6906 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
6907 ieuN and add call_no_delay_slot to type list.
6908 (cti function unit): New unit for branches on UltraSPARC.
6909 (subx/addx insns): Set type to misc.
6910 (sidi zero/sign extension insns on arch64): Set type to shift.
6911 (sign_extendhidi2_insn): Set type to sload.
6913 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
6915 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
6916 (output_epilog): Use if != 0 for offset.
6917 (rs6000_fatal_bad_address): Prepare for Intl.
6918 * rs6000.h (rs6000_fatal_bad_address): Declare.
6919 * rs6000.md (movsfcc, movdfcc): Use else if.
6920 (elf_high): Use {liu|lis}.
6921 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
6922 (movsi): Use rs6000_fatal_bad_address.
6924 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
6926 * reload.c (find_equiv_reg): Reject equivalences separated
6927 by a volatile instruction.
6929 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6931 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
6933 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
6935 * alpha.md (movsicc): Fix mode mismatch.
6937 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
6939 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
6941 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
6943 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6945 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
6946 write-only modifier from operand 1 constraint.
6948 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6950 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
6951 emitting a XOR of -1 at the end, emit a NOT instead for combine's
6953 (sparc_emit_set_const64): Likewise, also when computing trailing
6954 bits do not negate low_bits and make fast_int an int.
6956 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
6958 * loop.c (add_label_notes): Do not ignore references to labels
6959 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
6960 * gcse.c (add_label_notes): Similarly.
6962 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
6964 * m68k.md (adddi_dilshr32): One of the operands must be a register.
6965 (adddi_dishl32): Similarly.
6967 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
6969 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
6970 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
6971 * cse.c (cse_basic_block): Add parens to shut up warnings.
6973 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6975 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
6976 sparc_emit_set_const64_longway, const64_is_2insns,
6977 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
6978 in 64-bit constant formation.
6979 * config/sparc/sparc.md (snesi_zero_extend split): Generate
6980 rtl for addx not subx.
6981 (define_insn movdi_const64_special): Make available even when
6982 HOST_BITS_PER_WIDE_INT is not 64.
6983 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
6984 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
6985 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
6986 instances of operand 1 inside a QI subreg.
6987 (xordi3_sp64_dbl): Remove '%' constraint for op1.
6988 (one_cmpldi2_sp64): Fix output string.
6989 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
6991 (unnamed arch64 ashift DI): Truncate shift count if greater than
6994 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6996 * expr.c (store_expr): Don't optimize away load-store pair
6997 when either source or destination have a side effect.
6999 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
7001 * genrecog.c (add_to_sequence): Fatal error if the modes of the
7002 operands of SET are incompatible.
7004 * alpha.md: Fix max and min patterns so modes of SET operands match.
7006 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
7008 * configure.in: Avoid [[ by using test and changequote.
7009 * configure: Rebuild.
7011 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7013 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
7015 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
7016 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7017 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
7018 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
7019 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
7020 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
7021 Fix mismatching modes in SET operands.
7022 (conditional move patterns): Fix formatting.
7023 (unnamed subx arch64 pattern): Remove duplicate insn.
7025 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7027 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7028 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
7029 (input_operand): Fixup test for what we accept for constant
7031 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
7033 (safe_constDI): Remove.
7034 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
7035 gen_safe_XOR64): New functions.
7036 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
7037 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
7039 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
7040 available when HOST_BITS_PER_WIDE_INT is not 64.
7041 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
7042 move before movdi_insn_sp64 pattern.
7043 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
7044 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
7045 symbolic_operand as predicate for second operand.
7046 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
7047 expander): Give set VOIDmode.
7049 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
7051 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
7053 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
7055 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
7057 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
7059 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
7061 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
7063 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
7065 * install.texi: Various SCO OpenServer tweaks.
7067 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
7069 * reload1.c (eliminate_regs_in_insn): Handle another case when
7070 eliminating the frame pointer to the hard frame pointer. Add
7071 missing ep->to_rtx check to one existing case.
7073 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
7075 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
7077 * tree.h: De-conditionalize init_priority code.
7079 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
7080 * collect2.c (NM_FLAGS): Change from -p to -n.
7082 * configure.in: Turn on collect2 for mipstx39-elf.
7083 Handle use_collect2=no properly.
7085 * c-common.c: De-conditionalize init_priority code.
7086 * collect2.c (extract_init_priority, sort_ids): New fns.
7087 (main): Call sort_ids.
7088 Move sequence_number to file scope.
7090 * configure.in: Handle --enable-init-priority.
7091 * c-common.c (attrs): Add A_INIT_PRIORITY.
7092 (init_attributes, decl_attributes): Likewise.
7093 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
7094 * tree.c (get_file_function_name_long): Split out...
7095 (get_file_function_name): ...from here.
7097 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
7099 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
7102 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
7104 * toplev.c (display_help): Add braces to shut up warnings.
7105 * tree.c (simple_cst_equal): Likewise.
7107 * fold-const.c (non_lvalue): Don't deal with null pointer
7109 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7111 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
7112 of any size to a pointer.
7114 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
7116 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
7118 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
7120 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
7121 which will be saved.
7122 * mn10300.md (prologue insn): Only save registers which need saving.
7123 (epilogue insn): Similarly.
7125 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
7128 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
7130 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
7131 VAR_DECL's in gp addressable sections.
7133 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
7135 * sparc.c: Change return <exp> to <exp>; return; in functions
7137 * sparc.md: Add empty semicolon statement after final label in
7140 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7142 * config/sparc/sparc.md (define_insn addx_extend): Rename to
7143 addx_extend_sp64, only allow when TARGET_ARCH64.
7144 (define_insn addx_extend_sp32 and split): Version that works when
7146 (define_insn subx_extend): Likewise.
7147 (define_split adddi3 and subdi3 with zero extension): Fixup and
7148 correct bugs when not TARGET_ARCH64.
7150 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
7152 * except.c (set_exception_lang_code, set_exception_version_code):
7153 Use prototype-style definition if __STDC__, to match declaration
7156 * genemit.c: Change FAIL and DONE macros not to use loops.
7158 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
7160 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
7161 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
7163 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
7165 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
7167 * README.g77: Update from Craig.
7169 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7171 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
7173 (safe_constDI sparc_emit_set_const64_quick1,
7174 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7175 analyze_64bit_constant, const64_is_2insns,
7176 create_simple_focus_bits): Fix some bugs when compiled on real
7178 (function_arg_record_value_3, function_arg_record_value_2,
7179 function_arg_record_value): Add fully prototyped forward decls.
7180 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
7181 to cmpsi_insn and use on both 64 and 32 bit targets.
7182 (define_insn cmpsi_insn_sp64): Remove.
7183 (define_expand zero_extendsidi2): Allow for 32-bit target too.
7184 (define_insn zero_extendsidi2_insn): Rename to
7185 zero_extendsidi2_insn_sp64.
7186 (define_insn zero_extendsidi2_insn_sp32): New pattern and
7187 assosciated forced split for it.
7189 * config/sparc/sparc.c (const64_operand, const64_high_operand):
7191 * config/sparc/sparc.h: Declare them.
7192 (PREDICATE_CODES): Add them.
7193 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
7194 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
7196 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
7198 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
7199 in v9 case as the latter makes the Solaris assembler crash.
7201 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7203 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
7204 for TFmode when !v9. We require offsettable memory addresses.
7205 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
7206 DFmode register number conversions.
7207 * config/sparc/sparc.md (define_split DFmode moves): If register
7208 is a SUBREG do alter_subreg on it before using.
7209 (define_expand movtf): Fixup comment about alignment on v9.
7210 (define_split TFmode moves): Don't use gen_{high,low}part, create
7211 explicit SUBREGs instead.
7213 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
7215 * Makefile.in (mbchar.o): Depend on mbchar.c.
7217 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7218 Richard Henderson <rth@cygnus.com>
7220 Rewrite Sparc backend for better code generation and
7221 improved sparc64 support.
7222 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
7224 * config/sparc/sysv4.h: Likewise.
7225 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
7226 move_operand, v8plus_regcmp_op, emit_move_sequence,
7227 singlemove_string, doublemove_string, mem_aligned_8,
7228 output_move_double, output_move_quad, output_fp_move_double,
7229 move_quad_direction, output_fp_move_quad, output_scc_insn):
7231 (small_int_or_double): New predicate.
7232 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
7233 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
7234 old pic_{sethi,lo_sum}_si patterns.
7235 (mem_min_alignment): New generic function to replace
7236 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
7237 available and can test for arbitrary alignments. All callers
7239 (save_regs, restore_regs, build_big_number,
7240 output_function_prologue, output_cbranch, output_return,
7241 sparc_flat_save_restore, sparc_flat_output_function_prologue,
7242 sparc_flat_output_function_epilogue): Prettify
7244 (output_function_epilogue): Likewise and add code to output
7245 deferred case vectors.
7246 (output_v9branch): Likewise, add new arg INSN and use it to tack
7247 on branch prediction settings. All callers changed.
7248 (print_operand): Likewise and output %l44 for LO_SUMs when
7250 (sparc_splitdi_legitimate): New function to make sure DImode
7251 splits can be run properly when !arch64.
7252 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
7253 Reformat example code in comments.
7254 (set_extends): Remove UNSPEC/v8plus_clear_high case.
7255 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
7256 of deferred case vectors we need to output.
7257 (sparc_defer_case_vector): Record a case vector.
7258 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
7259 sparc_output_deferred_case_vectors): New functions to output them.
7260 (sparc_emit_set_const32): New function to form 32-bit constants in
7261 registers when that requires more than one instruction.
7262 (safe_constDI, sparc_emit_set_const64_quick1,
7263 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
7264 analyze_64bit_constant, const64_is_2insns,
7265 create_simple_focus_bits, sparc_emit_set_const64): New functions
7266 which do the same for 64-bit constants when arch64.
7267 (sparc_emit_set_symbolic_const64): New function to emit address
7268 loading for all code models on v9.
7269 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
7270 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
7271 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
7272 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
7273 inaccuracies in comments, add symbolic and text_segment operands
7274 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
7275 GENERAL_REGS in these cases as a temp REG is needed to load these
7276 addresses into a register properly.
7277 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
7279 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
7280 quads are guarenteed to have 16-byte alignment.
7281 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
7282 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
7283 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
7284 deferred case vector implementation.
7285 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
7286 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
7287 Generate "internal label - label" instead of "label - 1b".
7288 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
7289 (PREDICATE_CODES): Remove sparc_operand, move_operand,
7290 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
7292 (doublemove_string, output_block_move, output_fp_move_double,
7293 output_fp_move_quad, output_move_double, output_move_quad,
7294 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
7295 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
7296 (sparc_emit_set_const32, sparc_emit_set_const64,
7297 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
7298 mem_min_alignment, small_int_or_double): Add externs.
7299 * config/sparc/sparc.md: Document the many uses of UNSPEC and
7300 UNSPEC_VOLATILE in this backend.
7301 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
7302 unary to types which execute in it.
7303 (define_function_unit ieu_shift): Rename to ieu0.
7304 (define_function_unit ieu1): New, executes compare, call, and
7305 uncond_branch type insns.
7306 (define_function_units for type fdivs, fdivd, fsqrt): These
7307 execute in the fpu multiply unit not the adder on UltraSparc.
7308 (define_expand cmpdi): Disallow TARGET_V8PLUS.
7309 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
7310 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
7311 allows the arith_double_operand predicate and rHI constraint when
7313 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
7314 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
7315 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
7316 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
7317 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
7318 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
7319 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
7320 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
7321 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
7322 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
7323 sign_extendqihi2_insn, sign_extendqisi2_insn,
7324 sign_extendqidi2_insn, sign_extendhidi2_insn,
7325 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
7326 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
7327 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
7328 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
7329 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
7330 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
7331 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
7332 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
7333 smulsi3_highpart_v8plus, unnamed subreg mult,
7334 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
7335 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
7336 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
7337 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
7338 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
7339 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
7340 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
7341 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
7342 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
7343 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
7344 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
7345 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
7346 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
7347 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
7348 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
7349 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
7350 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
7351 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
7352 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
7353 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
7354 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
7355 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
7356 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
7357 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7358 call_address_untyped_struct_value_sp32,
7359 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
7360 call_value_symbolic_sp32, call_value_address_sp64,
7361 call_value_symbolic_sp64, branch_sp32, branch_sp64,
7362 flush_register_windows, goto_handler_and_restore,
7363 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
7364 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
7365 return_addsi, return_di, return_adddi, return_sf, all call+jump
7366 peepholes, trap, unnamed trap insns): Prettify output strings.
7367 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
7368 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
7369 Likewise and force + implement splits for integer cases.
7370 (define_insn return_sf_no_fpu): Likewise and allow to match when
7371 no-fpu because of our subreg SFmode splits.
7372 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
7373 zero_extendqidi2_insn, zero_extendhidi2_insn,
7374 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
7375 input_operand for second operand.
7376 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
7377 reg_or_0_operand for operand 2 so new splits can use it.
7378 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
7379 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
7381 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
7382 CONST_DOUBLEs for operand 2.
7383 (define_insn move_label_di): Likewise and label distance
7384 optimization because it no longer works with new deferred case
7385 vector scheme. To be revisited.
7386 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
7387 and allow reg_or_0_operand and J constraint for second operand.
7388 (define_insn jump): Set branch predict taken on V9.
7389 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
7390 new deferred case vector scheme.
7391 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
7392 (define_insn negdi2_sp32): Force + implement splits.
7393 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
7394 one_cmplsi2_not_liveg0 respectively, and create expander of original
7395 names which emit special rtl for TARGET_LIVE_G0.
7396 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
7397 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
7398 gen_compare_reg, FAIL instead.
7399 (define_insn sgtu, sleu): Likewise and check gen_s*() return
7400 values when trying to reverse condition codes, if they FAIL then
7402 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
7403 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
7404 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
7405 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
7406 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
7407 set output string to # to indicate they are mandatory splits.
7408 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
7409 pic_sethi_di, move_pic_label_si): Remove.
7410 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
7411 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
7413 (define_expand movsi_pic_label_ref, define_insn
7414 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
7415 expander and insns to handle PIC label references and deferred
7417 (define_insn get_pc_via_rdpc): Comment out as it is no longer
7419 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
7420 Rewrite to not use emit_move_sequence, make use of new constant
7421 formation code, and new splits for all multi-insn cases.
7422 (define_insn movqi_insn): Remove sethi case, it can never happen.
7423 Use reg_or_zero_operand instead of const0_rtx explicit test,
7424 use input_operand instead of move_operand for source, and use
7425 general_operand now for dest.
7426 (define_insn movhi_insn): Similar but leave sethi case.
7427 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
7428 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
7429 movhi_lo_sum respectively, prettify output string.
7430 (define_insn movsi_zero_liveg0): New pattern to put zero into a
7431 register when needed on TARGET_LIVE_G0.
7432 (define_insn movsi_insn): Use general_operand and input_operand
7433 for dest and src respectively. Simplify applicability test.
7434 Prettify output strings, and add clr alternative for J
7436 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
7437 deprecated std and reg-reg DI moves): Remove and...
7438 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
7439 implementation which uses forced splits for all non-single insn
7441 (define_split DI move cases on !arch64): New splits to handle all
7442 situations of 64-bit double register DImode on 32bit, and
7443 unaligned registers and memory addresses for all subtargets.
7444 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
7446 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
7447 input_operand for dest and src respectively, prettify output
7449 (define_insn movdf_insn, movdf_no_e_insn, store_df,
7450 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
7452 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
7453 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
7454 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
7455 movtf_no_e_insn_sp64) Replace with new
7456 implementation which uses forced splits for all non-single insn
7458 (define_split DF move cases): New splits in similar vein to DI
7460 (define_insn sethi_di_medlow, sethi_di_medium_pic,
7461 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
7462 movdi_sp64_insn): Remove old v9 code model and constant loading
7464 (define_insn pic_lo_sum_di, pic_sethi_di,
7465 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
7466 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
7467 embmedany_sethi, embmedany_losum, embmedany_brsum,
7468 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
7469 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
7470 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
7471 scheme, using unspecs, secondary reloads, and one to one sparc
7472 insn to rtl insn mapping for better scheduling and code gen.
7473 (define_expand reload_indi, reload_outdi): Reload helpers for
7474 MEDANY and EMBMEDANY symbol address loading cases which require a
7476 (define_expand movsicc): Remove v8plus_regcmp cases.
7477 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
7478 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
7479 cmp_diqi_trunc_set): New patterns used by some of the new scc
7481 (define_insn xordi3_sp64_dbl): New pattern used for constant
7482 formation when crossing from 32-bit targets.
7483 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
7485 (define_insn addx, subx): Make visible and prettify.
7486 (define_insn adddi3_insn_sp32): Likewise and force split.
7487 (define_insn addx_extend, subx_extend, unnamed): New patterns for
7488 64bit scc split usage.
7489 (define_insn unnamed plusDI zero_extend, unnamed minusDI
7490 zero_extend, subdi3): Force and implement splits.
7492 * final.c (final_scan_insn): Don't output labels if target
7493 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
7496 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
7497 don't forget to walk inside SEQUENCESs too as these are what the
7498 delay slot scheduler will create.
7500 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
7502 * alpha.md (extxl+1,+2): New patterns to work around
7505 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
7507 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
7508 caused bad assembly code to be generated.
7510 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
7512 * netbsd.h: Fix typo.
7514 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
7516 * config.sub: Fix typo.
7518 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
7520 * invoke.texi (Environment Variables): Typo: Change "ascpects"
7522 (Running Protoize): Typo: Change "ther" into "other".
7524 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
7526 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
7527 * m68k/netbsd.h: Likewise.
7528 * ns32k/netbsd.h: Likewise.
7529 * sparc/netbsd.h: Likewise.
7531 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
7533 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
7534 * ginclude/va-clipper.h (va_list): Likewise.
7536 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
7538 * rs6000.c (rs6000_override_options): If big endian and -Os, use
7539 load/store multiple instructions unless user overrides.
7541 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
7543 * ns32k/netbsd.h: Fix typo.
7545 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
7547 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
7548 labels with .debugsym if no parallel insns.
7550 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
7552 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
7553 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
7555 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
7557 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
7558 (AR_FOR_TARGET): Define.
7560 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
7562 * dyn-string.h: New file.
7563 * dyn-string.c: Likewise.
7564 * Makefile.in (OBJS): Add dyn-string.o.
7565 (dwarf2out.o): Add dyn-string.h dependency.
7566 (dyn-string.o): List dependencies.
7567 * dwarf2out.c: Include dyn-string.h.
7568 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
7569 (addr_const_to_string): Take a dyn_string_t, not a char* as a
7570 prototype. Use dyn_string_append rather than strcat, throughout.
7571 (addr_to_string): Use dyn_string_t.
7573 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
7575 Function entry/exit profiling instrumentation:
7576 * expr.h (profile_function_entry_libfunc,
7577 profile_function_exit_libfunc): Declare new variables.
7578 * optabs.c: Define them here.
7579 (init_optabs): Initialize them.
7580 * tree.h (struct tree_decl): New flag
7581 no_instrument_function_entry_exit.
7582 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
7583 * c-decl.c (duplicate_decls): Merge it.
7584 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
7585 (init_attributes): Use it for "no_instrument_function".
7586 (decl_attributes): Handle it, for functions that have not yet been
7587 compiled. Set decl flag.
7588 * flags.h (flag_instrument_function_entry_exit): Declare new
7590 * toplev.c (flag_instrument_function_entry_exit): Define it here.
7591 (f_options): New option "instrument-functions".
7592 * function.h (struct function): New field instrument_entry_exit.
7593 * function.c (current_function_instrument_entry_exit): New
7595 (push_function_context_to, pop_function_context_from): Save and
7597 (expand_function_start): Set current_ variable, maybe emit return
7598 label and entry profile call.
7599 (expand_function_end): Maybe emit exit profile call.
7601 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
7603 * i386.md (movqi): When optimizing a load of (const_int 1) into a
7604 NON_QI_REG_P, pretend the register is SImode.
7606 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
7608 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
7609 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
7610 manufacturer id for ns32k.
7611 * configure: Regenerated.
7612 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
7613 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
7614 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
7615 * config/m68k/netbsd.h: Same.
7616 * config/ns32k/netbsd.h: Same.
7617 * config/sparc/netbsd.h: Same.
7619 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
7621 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
7622 or UNROLL_COMPLETELY loop that starts with a jump to its
7625 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
7627 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
7628 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
7629 (print_operand, case 'B'): Don't fall through.
7630 (print_operand, case 'S'): Correct mask begin/end computation.
7631 Use HOST_BITS_PER_WIDE_INT.
7632 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
7633 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
7634 * rs6000/aix41.h (CPP_PREDEFINES): Same.
7635 * rs6000/aix43.h (CPP_PREDEFINES): Same.
7637 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
7639 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
7640 constraint from second alternative.
7642 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7644 * configure.in: Fix --without/--disable cases for local-prefix,
7645 gxx-include-dir and checking.
7647 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7649 * configure.in (enable_haifa): Set by default for sparc64 too.
7652 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
7654 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
7655 * i386/winnt.c (associated_type): New fn.
7656 (i386_pe_valid_type_attribute_p): New fn.
7657 (i386_pe_check_vtable_importexport): Remove.
7658 (i386_pe_dllexport_p): Use associated_type.
7659 (i386_pe_dllimport_p): Likewise.
7661 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
7662 * i386.c (i386_valid_type_attribute_p): Also accept
7663 attributes for METHOD_TYPEs.
7665 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
7667 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
7669 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
7671 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
7673 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
7674 them from generating a new base name for each occurence of
7677 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
7679 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
7681 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
7685 * cplus-dem.c (type_kind_t): New type.
7686 (demangle_template_value_parm): Add type_kind_t parameter. Rely
7687 on this paramter, rather than demangling the type again.
7688 (demangle_integral_value): Pass tk_integral.
7689 (demangle_template_: Pass the value returned from do_type.
7690 (do_type): Return a type_kind_t. Pass tk_integral to
7691 demangle_template_value_parm for array bounds.
7692 (demangle_fund_type): Likewise.
7694 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
7696 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
7699 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
7701 * pa.c (move_operand): Accept CONSTANT_P_RTX.
7703 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
7705 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
7707 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
7710 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
7712 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
7713 (DEBUGGER_ARG_OFFSET): Likewise.
7715 * mn10300.md (movsf): Remove last change. Not needed.
7717 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
7719 * c-lex.c (yylex): Fix boundary conditions in character literal and
7720 string literal loops.
7722 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
7724 * longlong.h (count_leading_zeros): Sparclite scan instruction was
7725 being invoked incorrectly.
7727 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
7728 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
7730 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
7731 * configure.in: Added i[34567]86-*-win32
7732 * config.sub: Ditto.
7733 * configure: Rebuilt.
7735 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
7737 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
7738 the frame pointer and compiling PIC code and reload has not completed.
7740 * i386.c (output_to_reg): Add code to emulate non-popping DImode
7743 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
7745 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
7747 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7749 * Makefile.in (install-info): Only try to update the info
7750 directory file if it exists in the first place.
7752 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
7754 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
7756 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
7758 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
7759 CONST_DOUBLE source.
7761 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
7763 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
7764 strings as the insertion of USER_LABEL_PREFIX.
7765 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
7767 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
7770 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
7772 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
7773 already defined type.
7775 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
7777 * expr.c (check_max_integer_computation_mode): Allow conversions
7778 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
7779 (expand_expr): Likewise.
7781 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7783 * expr.c (expand_expr): Expand RETURN_EXPR.
7785 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
7787 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
7789 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
7791 * dwarf2out.c (output_aranges): Call stripattributes
7792 for TEXT_SECTION references.
7793 (output_line_info): Likewise.
7795 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7797 * profile.c (branch_prob): Call allocate_reg_info after outputting
7798 profile rtl in instrument_arcs.
7800 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
7802 * fixinc.irix (math.h): Install wrapper instead of copying.
7804 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7806 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
7807 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
7808 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
7809 lang_flag_0. Added documentation in the flag table.
7811 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
7813 * cccp.c (do_include): Fix vax c style include handling.
7815 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7817 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
7819 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
7821 * fold-const.c (non_lvalue): Don't deal with null pointer
7823 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
7825 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
7827 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
7828 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
7829 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
7830 (u_short_cint_operand): Same.
7831 (reg_or_cint_operand): Same.
7832 (logical_operand): Same.
7833 (input_operand): Same.
7834 (reg_or_short_operand): Use u_short_cint_operand.
7836 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
7838 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
7839 but keep the insns and splits. Adjust so when the ultimate destination
7840 is memory, use cvtql.
7842 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
7844 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
7846 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
7848 * gcc.c (do_spec): Call "error" not "warning".
7850 * configure.in: Fix minor problems with gas feature detection code.
7851 * configure: Rebuilt.
7853 * gcc.c (do_spec): Issue a warning for '%[]' usage.
7856 * gcc.c: Delete %[spec] support.
7857 (do_spec_1, case '('): Likewise.
7858 (do_spec_1, case '['): Call error.
7860 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
7862 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
7863 (CPP_SUBTARGET_SPEC): Default to empty string.
7864 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
7865 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
7866 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
7867 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
7869 * alpha/linux.h (CPP_PREDEFINES): Tidy.
7870 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
7871 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
7872 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
7873 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
7874 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
7875 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
7876 * alpha/vxworks.h: Likewise.
7878 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
7880 * mips.md (reload_outsi): Added missing REGNO call.
7881 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
7883 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
7884 another match_operator and compare the codes.
7886 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
7888 * MIPS multiply pattern fixes:
7889 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7890 Add union classes for HI, LO, or HILO plus general registers.
7891 (GENERATE_MADD): Deleted.
7892 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
7893 Add TARGET_MAD to condition.
7894 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
7895 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
7896 "*d" for accumulator, to give preference to LO initially but not
7899 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
7901 * configure.in (enable_c_mbchar): New configure option.
7902 (extra_cpp_objs): Always available now.
7904 * cexp.y (mbchar.h): #include it.
7905 (yylex): Handle Multibyte characters in character literals.
7907 * cccp.c (mbchar.h): #include it.
7908 (main): Set character set based on LANG environment variable.
7909 (rescan): Handle multibyte characters in comments.
7910 (skip_if_group): See above.
7911 (validate_else): See above.
7912 (skip_to_end_of_comment): See above.
7913 (macarg1): See above.
7914 (discard_comments): See above.
7915 (rescan): Handle multibyte characters in string and character literals.
7916 (collect_expansion): See above.
7917 (skip_quoted_string): See above.
7918 (macroexpand): See above.
7919 (macarg1): See above.
7920 (discard_comments): See above.
7921 (change_newlines): See above.
7923 * c-lex.c (mbchar.h): #include it.
7924 (GET_ENVIRONMENT): New macro.
7925 (init_lex): Set character set based on LANG environment variable.
7926 (yylex): Handle multibyte characters in character literals.
7927 (yylex): Handle multibyte characters in string literals.
7929 * Makefile.in (mbchar.o): New target.
7930 (cccp$(exeext)): @extra_cpp_objs@ is always available.
7931 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
7933 * mbchar.[ch]: New files for multibyte character handling.
7935 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7937 * jump.c (jump_optimize): When simplifying noop moves and
7938 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
7939 the PUSHes to rewrite in second loop as we did in the first.
7941 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7943 * cplus-dem.c (demangle_nested_args): Make function definition
7944 static to match the prototype.
7946 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
7948 * alloca.c: Respect USE_C_ALLOCA.
7949 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
7950 * gengenrtl.c (xmalloc): Likewise.
7952 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
7954 * loop.h (struct induction): Add no_const_addval.
7955 * loop.c (the_movables, reg_address_cost): New variables.
7956 (init_loop): Init reg_address_cost.
7957 (loop_optimize): Call end_alias_analysis.
7958 (scan_loop): Init the_movables.
7959 (record_giv): Init induction->no_const_addval.
7960 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
7961 [REG]: Rearrange loop search test to catch more cases.
7962 (general_induction_var): Return success not benefit; take an extra
7963 argument for that. Change all callers.
7964 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
7965 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
7966 [default]: Search the_movables for additional combinations.
7967 (sge_plus_constant, sge_plus): New functions.
7968 (express_from_1): New function.
7969 (express_from): Always define. Rewrite using express_from_1.
7970 (combine_givs_p): Handle more cases. Ignore address cost.
7971 (cmp_combine_givs_stats): New function.
7972 (combine_givs_used_once, combine_givs_benefit_from): New functions.
7973 (combine_givs): Rewrite to do best-fit combination.
7975 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
7976 (fold): Do a complete (A*C)+(B*C) association check.
7978 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
7980 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
7982 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
7984 * mn10300.c (MODES_TIEABLE_P): Fix typo.
7986 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
7988 * tree.c (valid_machine_attribute): Only create a new type variant if
7989 there is a decl to use it.
7991 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
7993 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
7996 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
7998 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
8001 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
8003 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
8004 Simplify tests for clearing an address register.
8005 (expand_prologue): Corresponding changes.
8007 * mn10300.md (movXX patterns): Make sure the destination is an
8008 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
8009 (logical patterns): Split into expanders + patterns
8010 (zero and sign extension patterns): Similarly.
8011 (shift patterns): Similarly.
8013 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
8015 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
8016 for the sequence, recording base values.
8018 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
8020 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
8022 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
8024 * gcc.c: Remove ANSI-C ism from --help code.
8026 * toplev.c: Support --help with USE_CPPLIB.
8028 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
8030 * configure.in: Rework gas feature code to work with symlink based
8033 * extend.texi: Clarify some issues related to local variables
8034 assigned to explicit registers.
8036 * mn10300.md (mulsi): Turn into expander + pattern.
8038 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
8041 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
8043 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
8045 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
8047 * version.c: Bump again to distinguish mainline tree from the
8050 See ChangeLog.0 for earlier changes.
8053 add-log-time-format: current-time-string
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