1 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
3 * genemit.c (gen_exp): Allow machine description to set mode of
6 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
8 * alias.c (mode_alias_check): New function.
9 (true_dependence, anti_dependence, output_dependence): Call
12 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
14 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
15 (MIPS_STACK_ALIGN): Similarly.
17 * c-common.c (type_for_mode): Handle TI types.
18 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
19 (init_decl_processing): Handle TI types.
20 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
22 * mips.c (block_move_loop): Test Pmode == DImode instead of
24 (expand_block_move, save_restore_insns): Likewise.
25 (function_prologue, mips_expand_prologue): Likewise.
26 (mips_expand_epilogue): Likewise.
27 * mips.h (POINTER_SIZE): Allow specific targets to override.
28 (Pmode): Allow specific targets to override.
29 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
30 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
31 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
32 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
33 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
34 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
35 * mips.md (indirect, tablejump & casesi support): Test for
36 Pmode == DImode instead of TARGET_MIPS64.
37 (call patterns): Likewise.
39 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
41 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
42 for gen_rtx(MEM, ...).
44 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
46 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
47 to not be so gross, and to properly function with PIC.
49 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
51 * frame.c (heapsort): Rename to frame_heapsort.
53 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
55 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
57 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
59 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
61 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
62 operands during and after reload.
64 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
66 * final.c (shorten_branches, init_insn_lengths): Move code
67 to free label_align, uid_shuid, insn_lengths, insn_addresses
68 and uid_align from the former function into the latter one;
69 Add code to clear these variables.
70 * sh.h (label_align): Remove declaration.
72 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
74 * gcc.c (lang_specific_driver): Declare prototype properly so
75 fatal can be passed to it without error.
77 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
78 * configure: Regenerate.
79 * config.in: Add #undef's for strchr and strrchr.
81 * protoize.c (toplevel): If we have rindex, but not strrchr, map
83 (file_could_be_converted): Use strrchr, not rindex since rindex is
84 not defined on Linux systems when _POSIX_SOURCE is defined.
85 (file_normally_convertible): Ditto.
86 (process_aux_info_file): Ditto.
89 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
90 a constant to an integer register, don't split the insns that do
91 the simple AND and OR operations, rather just split each word, and
92 let the normal movsi define split handle it further.
94 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
96 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
97 (split_branches): Call init_insn_lengths.
99 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
101 * i386.c: Include expr.h to get the change_address prototype
104 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
106 * reg-stack.c (subst_asm_stack_regs): Change to return the last
107 new insn generated by this function.
108 (subst_stack_regs): Likewise.
109 (convert_regs): Record the last newly generated insn and use
110 it for change_stack () instead of INSN.
112 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
114 * fix-header.c (enum special_file): Undefine enumerators if they
115 are already defined by include files.
116 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
117 macro with '__' to not pollute user namespace.
119 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
121 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
123 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
125 * version.c: Bump for snapshot.
127 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
129 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
131 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
132 Add missing -Dpentium* options.
133 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
134 instead of CPP_CPU_DEFAULT.
135 (EXTRA_SPECS): Add entry for cpp_cpu_default.
137 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
139 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
140 negative in a stackless frame.
141 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
142 in stackless frame size. Support 64-bit stackless frame size.
143 Combine fpmem offset calculations and don't add total_size to
144 offset if not pushing a stack frame.
146 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
148 * regmove.c (fixup_match_1): In three places, in flag_exceptions
149 check, change p to q.
151 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
153 * gcc.c (lang_specific_driver): Add new parm type to prototype.
154 (added_libraries): New file scope static variable.
155 (process_command): Initialize added_libraries. Pass it to
156 lang_specific_driver.
157 (main): Use added_libraries in check for no input files.
159 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
161 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
162 code generation. Use 64 bit instructions in 32 bit mode when
163 possible. Use V9 return instruction. UltraSPARC optimizations.
165 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
167 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
169 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
170 just pass zero. That will work regardless of the size of HARD_REG_SET.
172 * libgcc2.c (__floatdisf): Fix a couple typos.
174 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
176 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
178 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
180 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
182 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
184 * emit-rtl.c (operand_subword_force): If a register can not be
185 accessed by words, copy it to a pseudo register.
187 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
189 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
191 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
193 * tree.h (mark_seen_cases): Delete declaration.
195 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
197 * stmt.c (mark_seen_cases): Make static and add prototype.
199 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
201 * frame.c: Include stdlib.h and unistd.h to possibly get various
202 function prototypes. The fixproto script guarantees these header
203 files exist on the target system.
204 * libgcc2.c: Likewise.
206 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
207 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
209 * libgcc2.c (__udiv_w_sdiv): Likewise.
211 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
213 * varasm.c (asm_output_bss): Add prototype.
214 (asm_output_aligned_bss): Likewise.
216 * unroll.c (verify_addresses): Add prototype.
218 * toplev.c: Add many prototypes. Too many to mention here.
220 * stmt.c (check_seenlabel): Add prototype.
222 * rtlanal.c (reg_set_p_1): Add prototype.
223 (reg_set_last_1): Likewise.
225 * reorg.c (find_dead_or_set_registers): Add prototype.
227 * regmove (try_auto_increment): Add prototype.
229 * reg-stack.c (pop_stack): Add prototype.
231 * recog.c (validate_replace_rtx_1): Add prototype.
232 (find_cosntant_term_loc): Likewise.
234 * loop.c (regs_patch_p): Add prototype.
235 (add_label_notes, count_nonfixed_reads): Likewise.
236 (find_single_use_in_loop): Likewise.
237 (express_from): Surround prototype with #ifdef.
238 (giv_sort): Similarly.
240 * jump.c (mark_modified_reg): Add prototype.
242 * haifa-sched.c (is_prisky): Add prototype.
243 (queue_to_ready): Likewise.
245 * genextract.c (gen_insn): Add prototype.
247 * genemit.c (max_operand_1): Add prototype.
248 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
249 (gen_expand, gen_explit, output_add_clobbers): Likewise.
250 (output_init_mov_optab): Likewise.
252 * genattrtab.c (attr_hash_add_rtx): Add prototype.
253 (attr_hash_add_string, write_length_unit_log): Likewise.
255 * genattr.c (init_range): Add prototype.
257 * combine.c (sets_function_arg_p): Add prototype.
259 * expr.c (store_constructor_field): Add prototype.
260 (get_memory_usage_from_modifier): Likewise
262 * expmed.c (synth_mult): Add prototype.
263 (choose_multiplier, invert_mod2n): Likewise.
265 * except.c (push_eh_entry): Add prototype.
266 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
267 (call_get_eh_context, start_dynamic_cleanup): Likewise.
268 (start_dynamic_handler, can_throw): Likewise.
269 (output_exception_table_entry, scan_region): Likewise.
270 (eh_regs, set_insn_eh_region): Likewise.
272 * dwarfout.c (decl_class_context): Add prototype.
273 (output_inheritance_die, type_ok_for_scope): Likewise.
275 * c-lex.c (skip_white_space_on_line): Add prototype.
277 * alias.c (record_set): Add prototype.
278 (find_base_term, base_alias_check): Likewise.
280 * function.c (assign_outer_stack_local): Make static and add prototype.
282 * haifa-sched.c (build_control_flow): Accept raw data as inputs
283 instead of computing it locally. Callers changed.
284 (find_rgns): Several new arguments. Callers changed.
285 Generally clean up and comment better. Use dominators to
286 identify reducible loops. Convert some flag arrays to bitmaps.
287 Convert most of the code to work on pred/succ lists instead of
288 an edge table. Add comments for future improvements.
289 (schedule_insns): Allocate temporary tables for flow data, call
290 routines to compute flow data and pass it along to children as
292 (debug_control_flow): Delete. Use dump_bb_data instead.
294 * basic-block.h (compute_dominators): Declare.
296 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
298 * basic-block.h: Declare them.
300 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
302 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
305 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
307 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
308 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
309 node is non NULL. Cache last file name and file name identifier node.
311 1998-04-15 Mark Mitchell <mmitchell@usa.net>
313 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
314 the length of an array, not TREE_TYPE.
316 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
318 * flow.c (sbitmap_union_of_successors): New function.
319 * basic-block.h (sbitmap_union_of_successors): Declare it.
321 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
323 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
324 Set gnu_ld to gnu_ld_flag inside main loop.
327 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
329 * toplev.c (compile_file): Call init_parse using new interface.
330 (init_lex): Remove declaration.
332 * c-lex.c (init_parse): Now returns char* containing filename.
334 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
336 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
338 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
340 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
341 (gen{extract,peep,opinit,output}): Ditto.
343 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
344 global definition so print-rtl.o can be linked in.
345 * gen{peep,recog}.c (insn_attr_name): Ditto.
347 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
349 * fixincludes: discard empty C++ comments, as found in sys/time.h
352 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
354 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
357 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
359 * emit-rtl.c (operand_subword): Rework slightly to avoid
360 bogus warning from previous change.
362 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
364 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
365 Nov 8 find_replacement change. Move decls of get_unaligned_address
368 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
370 * function.c (assign_parms): Initialize unsignedp before passing
371 its pointer to promote_mode.
373 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
374 (write_test_expr): Allow MATCH_INSN.
376 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
378 * install.texi: Update section on warnings that can be safely ignored.
380 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
382 * mips.md (reload_outdi): Change the scratch mode from DImode to
383 TImode. New variable scratch, used instead of operand[2] in template.
384 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
386 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
388 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
390 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
392 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
394 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
396 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
397 (ASM_FINISH_DECLARE_OBJECT): Likewise.
399 * Idea and part of the patch from HJ.
400 * Makefile.in: auto-host.h renamed from auto-config.h. All references
402 (distclean): Remove auto-build.h too.
403 * configure.in: Rename host autoconf generated file to auto-host.h.
404 If host != build, then run autoconf to generate auto-build.h for
405 the build machine and include it in build_xm_files.
406 Check for wait.h and sys/wait.h.
408 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
409 TRULY_NOOP_TRUNCATION.
411 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
413 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
415 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
417 * invoke.texi (ld options) Include memset requirements
418 for options -nodstdlib and -nodefaultlibs.
420 1998-04-12 Paul Eggert <eggert@twinsun.com>
422 This change is from an idea suggested by Arthur David Olson.
424 * c-common.c (decl_attributes, record_function_format,
425 check_format_info, init_function_format_info):
426 Add support for strftime format checking.
427 (enum format_type): New type.
428 (record_function_format): Now static, and takes value of type
429 enum format_type instead of int.
430 (time_char_table): New constant.
431 (struct function_format_info): format_type member renamed from is_scan.
432 (check_format_info): Use `warning' rather than sprintf followed by
433 `warning', to avoid mishandling `%' in warnings.
434 Change `pedwarn' to `warning', since these warnings do not necessarily
435 mean the program does not conform to the C Standard, as the code
436 need not be executed.
438 * c-tree.h (record_function_format): Remove decl; no longer extern.
440 * extend.texi: Add documentation for strftime format checking.
442 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
444 * mips/ecoffl.h: Do not include mips.h.
445 * mips/elf.h: Likewise.
447 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
448 * mips/ecoff.h: Include "mips/mips.h".
450 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
452 * version.c: Bump for snapshot.
454 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
456 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
457 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
458 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
459 between loop optimization passes.
460 * rtl.h: Updated appropriately.
462 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
464 Reinstall this patch from Jason.
465 * function.c (push_function_context_to): Don't call init_emit.
467 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
469 * rtl.c (read_skip_spaces): Prevent infinite loops upon
470 encountering unterminated comments.
472 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
474 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
477 * configure.in: Handle --with-fast-fixincludes.
478 (fixincludes): If --with-fast-fixincludes, then use a different
479 fixincludes program by default.
480 * Makefile.in (fixinc.sh): New rule.
482 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
484 * i386.md (movqi+1): Handle invalid QI register.
485 (movsf_push-1): Likewise.
487 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
489 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
491 symbolic_memort_operand(), call32_operand(), int8_operand(),
492 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
494 uint16_operand(): Made static.
496 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
498 * calls.c (expand_call): Fix typo.
500 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
502 * c-lex.c (finput): New global.
503 (init_parse): Always included. Handle !USE_CPPLIB using
504 code originally in compile_file.
505 (finish_parse): Update for CPPLIB.
506 * toplev.c (init_parse, finish_parse): Declare.
507 (finput): Delete variable. Now in front-ends.
508 (compile_file): Remove code which is now handled by init_parse
509 which is unconditionally called. Similarly for finish_parse.
511 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
513 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
514 ASM_WEAKEN_LABEL): Add.
516 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
518 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
519 * configure.in (alpha-*-linux*): Use them.
521 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
523 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
524 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
525 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
526 (build_expr_wfl): New prototype declaration.
527 * tree.c (build_expr_wfl): New function, to build
528 EXPR_WITH_FILE_LOCATION nodes.
529 (copy_node): Don't zero TREE_CHAIN if copying a
530 EXPR_WITH_FILE_LOCATION node.
531 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
532 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
534 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
536 * configure.in (v850): Use t-v850.
537 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
539 * protoize.c (creat, read, write): Do not declare.
541 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
542 refer to the CODE_LABEL before a dispatch table.
544 * invoke.texi: Add ARC options.
546 * gcc.c (proces_command): Improve error message for -o with
549 * i386/x-cygwin32 (CLIB): Link in advapi32.
551 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
552 (ASM_IDENTIFY_LANGUAGE): Likewise.
554 * i386.md (movqi recognizer): Don't perfom byte increment into
557 * configure.in (x86-dg-dgux): Run fixinc.dgux.
559 * i370.h: Fix typo in GEN_INT changes.
561 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
562 of an empty arglist in prototype.
564 * Makefile.in: Remove bytecode crud that crept back in after the
567 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
569 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
570 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
572 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
574 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
576 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
578 * c-lex.c (is_class_name): Delete declaration.
579 (whitespace_cr): Make static and add prototype.
580 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
581 yylex, get_directive_line): Turn declarations into prototypes.
582 (position_after_whitespace, check_newline, yyerror,, is_class_name,
583 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
585 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
587 * gencodes.c (gen_insn): Add prototype.
588 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
589 gen_peephole): Add prototypes.
590 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
592 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
593 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
594 genheader, gencode): Add prototypes.
595 * genopinit.c (gen_insn): Add prototype.
596 * genoutput.c (output_prologue, output_epilogue, scan_operands,
597 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
598 gen_expand, gen_split, n_occurrences): Add prototypes.
599 * genpeep.c (gen_peephole): Add prototype.
600 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
601 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
602 labels_in_range_p, count_loop_regs_set, note_addr_stored,
603 loop_reg_used_before_p, scan_loop, replace_call_address,
604 skip_consec_insns, libcall_benefit, ignore_some_movables,
605 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
606 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
607 check_final_value, record_giv, update_giv_derive, basic_induction_var,
608 simplify_giv_expr, general_induction_var, consec_sets_giv,
609 check_dbra_loop, express_from, combine_givs_p, combine_givs,
610 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
611 last_use_this_basic_block, record_initial, update_reg_last_use,
612 iteration_info, analyze_loop_iterations, insert_bct,
613 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
616 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
618 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
620 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
622 * config/mips/mips.c (siginfo): Deleted.
623 (override_options): Don't install SIGINFO signal handler.
625 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
627 * loop.c (check_dbra_loop): When normalize comparison_val, add check
628 to verify it is non-negative.
630 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
632 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
633 (alpha_expand_block_clear): Likewise.
635 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
637 * tree.h (sizetype_tab): Fix previous change for K&R.
639 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
641 * version.c: Bump for snapshot.
643 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
645 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
646 Add USG and POSIX to xm_defines.
648 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
650 * gcc.c: Add linker spec.
651 (link_command_spec): Use %(linker) instead of ld.
652 (main): If collect2 is requested as the linker, see if it exists;
653 if not, use ld instead.
655 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
657 (install-collect2): Install as collect2, not ld.
659 * configure.in(will_use_collect2): It's named collect2 now.
661 * collect2: Remove checks to see if we were invoked recursively.
662 (collect_execute): Use _spawnvp under cygwin32.
664 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
666 * haifa-sched.c (build_control_flow): Set unreachable for block whose
667 only predecessor is itself.
669 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
671 * c-parse.in: Include system.h, and remove stuff now made redundant.
674 * protoize.c: Likewise. Properly check for cpp stringification.
676 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
679 * objc/Make-lang.in (objc-parse.o): Likewise.
681 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
683 * gansidecl.h: Check if compiler supports __attribute__. Provide
684 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
685 __attribute__ when its available. Also provide definitions for
686 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
687 terms of ATTRIBUTE_PRINTF.
689 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
692 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
694 * combine.c (can_combine_p): Include successor in volatile test.
696 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
698 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
701 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
703 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
704 in prototype and definition.
706 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
708 * version.c: Bump for snapshot.
710 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
712 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
713 alpha_expand_unaligned_store_words.
715 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
717 * i386.md (movsf_push, movsf_mem): Remove.
718 (movsf_push): Rename from movsf_push_nomove and move in front of
719 movsf. Use nonmemory_operand predicate and don't bother checking
721 (movsf_push_memory): New pattern.
722 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
723 both operands refer to memory then force operand[1] into a register.
724 (movsf_normal): Change to unnamed pattern.
725 Likewise for movdf, movxf, and friends.
727 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
729 * version.c: Bump for snapshot.
731 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
733 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
735 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
737 * configure.in (mips-wrs-vxworks): New target.
739 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
741 * expmed.c (synth_mult): The value -1, has no zeros, so it can
742 never have the form ...011.
744 * version.c: Bump for snapshot.
746 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
748 * i386.c (asm_output_function_prefix, load_pic_register):
749 Use ASM_GENERATE_INTERNAL_LABEL properly.
750 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
751 (print_operand): Ignore it.
752 (load_pic_register): Use it for the got load call.
753 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
754 (prologue_get_pc_and_set_got): Likewise.
755 * i386.h: Update print_operand docs.
757 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
759 * i386.md (ffssi, ffshi): Rewrite as define_expands.
760 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
761 * i386.c (notice_update_cc): Recognize unspec 5.
763 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
765 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
766 * alpha.c (print_operand): Handle it.
767 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
769 (fix_truncdfdi2): Likewise.
771 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
773 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
774 of these into a single struct, with additional [us]sizetype entries.
775 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
776 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
779 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
781 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
783 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
785 * haifa-sched.c (split_block_insns): Don't supress insn splitting
786 on subsequent passes.
788 * alpha.c (hard_fp_register_operand): New function.
789 * alpha.h (PREDICATE_CODES): Add it.
790 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
791 f<-m case and accompanying define_split.
792 (trapb): Use a unique unspec_volatile number.
794 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
796 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
799 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
801 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
804 * haifa-sched.c: Mirror recent changes from gcc2.
806 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
808 * Makefile.in (insn*.o): Depend on system.h.
810 * pa.c (output_global_address): Initialize base.
811 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
813 1998-04-03 Mike Stump <mrs@wrs.com>
815 * gthr.h: Support systems that don't have weak, but have threads.
816 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
817 * gthr-vxworks.h: New file.
818 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
820 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
822 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
824 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
826 * ginclude/va-i960.h (va_end): Change void * to void.
828 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
830 * Makefile.in (choose-temp.o): Depend on system.h.
832 * choose-temp.c: Include system.h when IN_GCC.
834 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
835 Richard Henderson <rth@cygnus.com>
837 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
838 (move_replacements): New function.
839 * reload.h: Prototype it.
841 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
843 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
845 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
848 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
849 (gen_highpart): Likewise.
850 * final.c (alter_subreg): Allow the target to hook by-mode subreg
851 hard register number changes.
853 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
855 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
856 rnbitsize, rnmode and rinner.
857 (make_range): Initialize type.
858 (fold): Initialize arg0, arg1 and varop.
860 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
862 (expand_function_start): Initialize last_ptr.
864 * stor-layout.c (layout_record): Initialize desired_align.
865 (get_best_mode): Initialize unit.
867 * tree.c (copy_node): Initialize length.
869 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
871 * caller-save.c (insert_save_restore): Initialize pat, code and
874 * emit-rtl.c (push_to_sequence): Initialize top.
875 (push_topmost_sequence): Likewise.
877 * genattrtab.c (simplify_by_exploding): Initialize defval.
879 * profile.c (branch_prob): Initialize dest.
881 * rtl.h (note_stores): Remove duplicate prototype.
882 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
884 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
885 strings that are not actually lengths.
887 * genattrtab.c: Make generated file use system.h, instead of
888 including stdio.h, etc directly.
889 * genextract.c, genopinit.c, genoutput.c: Likewise.
890 * genpeep.c, genrecog.c: Likewise
892 * genoutput.c (process_template): Mark operands in the generated
893 function as potentially unused if compiling with GNU CC.
895 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
897 * pa.md (reload peepholes): Remove unused variable "mode".
899 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
901 * config/arm/thumb.h: Add super interworking support.
902 * config/arm/thumb.c: Add super interworking support.
903 * config/arm/thumb.md: Add super interworking support.
904 * config/arm/lib1funcs.asm: Add interworking support.
905 * config/arm/lib1thumb.asm: Add super interworking support.
906 * config/arm/t-semi: Add interworking support.
907 * config/arm/t-thumb: Add interworking support.
908 * config/arm/README-interworking: New file.
910 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
912 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
913 (MD_STARTFILE_PREFIX): Unset.
915 1998-04-01 Mark Mitchell <mmitchell@usa.net>
917 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
918 entity in a local scope.
920 * fold-const.c (fold): Call truthvalue_conversion for values which
921 are folded to boolean type.
923 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
925 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
926 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
927 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
928 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
929 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
930 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
931 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
932 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
935 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
937 * fixincludes (limits.h): Fix nested comments in Motorola's
938 limits.h and sys/limits.h.
940 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
942 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
943 as dest of expand_binop call.
945 * alpha.md (extzv): Correct check for valid operand[2] values.
947 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
950 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
952 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
954 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
955 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
957 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
958 cygwin32 can override this to allow both unix and win32 style PATHs.
960 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
961 style environment paths.
963 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
965 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
966 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
967 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
970 * cpphash.c: Include config.h.
971 * cppalloc.c: Include system.h. Add parameters to various
973 * cpperror.c: Likewise.
974 * cppexp.c: Likewise.
975 * cpphash.c: Likewise.
976 * cpplib.c: Likewise.
977 * cppmain.c: Likewise.
978 * fix-header.c: Likewise.
980 * gen-protos.c: Likewise.
981 * gengenrtl.c: Likewise.
982 * halfpic.c: Likewise.
984 * scan-decls.c: Likewise.
987 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
989 * README.gnat: Add lang_print_xnode definition.
991 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
993 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
994 fmovecr on the 68060.
996 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
998 * genemit.c (DONE): Rework so that it works in the true arm if
999 an if-else conditional.
1002 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
1004 * rs6000.c: Do not include stdioh or ctype.h anymore.
1006 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
1008 (stor-layout.o): Likewise.
1009 * c-typeck.c: Include rtl.h and expr.h.
1010 * stor-layout.c: Likewise.
1012 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
1013 All callers changed.
1014 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
1015 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
1016 All callers changed.
1018 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
1020 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
1022 * tree.h (lang_print_xnode): Provide prototype.
1024 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
1026 * version.c: Bump for snapshot.
1028 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
1030 * objc/sendmsg.c (__objc_block_forward): Add braces for return
1031 value if INVISIBLE_STRUCT_RETURN.
1033 * pa.c (arith_double_operand): Fix parens.
1035 * haifa-sched.c (print_pattern): Correct arg to sprintf.
1037 * Makefile.in (libgcc1.null): Make return type for __foo void.
1039 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
1041 * pa.h: Add declarations for many functions defined in pa.c.
1043 * genpeep.c (main): Remove unused variable 'i' from the generated
1046 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
1047 (gen_split): Likewise.
1048 (main): Rework generated definitions of DONE and FAIL so that they
1049 no longer use gotos. Avoids warnings about unused labels.
1051 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
1052 unused "junk" variable.
1054 * genattrtab.c (write_complex_function): Add a default case in
1055 generated switch statement to keep -W -Wall quiet.
1057 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
1059 * invoke.texi: Document more ARM and Thumb command line options.
1061 * config/arm/xm-thumb.h: New file.
1063 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
1065 * stmt.c (expand_expr_stmt): Must generate code for
1066 statements within an expression (gcc's `({ ... )}')
1067 even if -fsyntax-only.
1069 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1070 Jeffrey A Law (law@cygnus.com)
1072 * basic-block.h (basic_block_computed_jump_target): Declare.
1073 * flags.h: (current_function_has_computed_jump): Declare.
1074 * flow.c: (basic_block_computed_jump_target): Define.
1075 (flow_analysis): Allocate it. Set current_function_has_computed_jump
1077 (find_basic_blocks): Set current_function_has_computed_jump and
1078 elements of basic_block_computed_jump_target to 1 as appropriate.
1079 * function.c: (current_function_has_computed_jump): Define.
1080 * global.c (global_conflicts): Don't allocate pseudos into stack regs
1081 at the start of a block that is reachable by a computed jump.
1082 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
1084 (subst_stack_regs): Undo change from Sep 4 1997.
1085 (uses_reg_or_mem): Now unused, deleted.
1086 * stupid.c (stupid_life_analysis): Compute
1087 current_function_has_computed_jump.
1088 (stupid_find_reg): Don't allocate stack regs if the function has a
1090 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
1091 the current function has a computed jump. Use the global value
1094 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
1096 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
1097 (DWARF2_UNWIND_INFO): Define to zero.
1099 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
1101 * gcc.c (set_std_prefix): Add declaration.
1102 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
1103 suffix, and update the standard prefix prefix.c uses.
1105 * prefix.c (std_prefix): New global to hold default prefix value.
1106 (get_key_value): Change to use std_prefix instead of PREFIX.
1107 (translate_name): Ditto.
1108 (update_path): Ditto.
1109 (get_key_value): Release allocated scratch storage.
1110 (set_std_prefix): New function to reset the standard prefix.
1112 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1114 * sh.c (find_barrier): Fix calculations for alignment increase.
1116 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
1118 * Makefile.in (stmp-fixinc): If we're actually fixing include
1119 files, copy gcc's assert.h into the fixed include dir.
1120 * fixincludes (assert.h): Avoid any attempts to fix a probably
1121 broken system specific assert.h file.
1122 * fixproto (stdlib.h): Make sure, it'll contain a definition of
1125 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
1127 * regclass.c (reg_scan_mark_refs): Be more selective about
1128 when we mark a register with REGNO_POINTER_FLAG.
1130 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1132 reload inheritance improvement:
1133 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
1134 Change meaning: index is now hard reg number.
1135 (reg_reloaded_valid, reg_reloaded_dead): New variables.
1136 (reload_spill_index): Content is now a hard reg number.
1137 (reload_as_needed): Change to fit new variable meaning.
1138 (forget_old_reloads_1, allocate_reload_reg): Likewise.
1139 (choose_reload_regs, emit_reload_insns): Likewise.
1141 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1143 * regclass.c (record_reg_classes): '?' increases cost by two.
1145 * reload.c (find_reloads): Double previous costs. Output
1146 reloads cost one unit extra.
1148 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
1149 boiled down to && ! 0.
1151 * reload.c (find_equiv_reg): Also consider a goal offset from the
1152 frame pointer to be constant.
1154 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1156 * sh.h (OPTIMIZATION_OPTIONS): Define.
1158 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
1160 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
1162 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
1164 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
1166 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
1168 * c-common.c (check_format_info): Initialize type, is_type. New local
1169 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
1170 when pedantic if used with integral format specifier.
1172 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
1174 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
1176 (function_arg_padding): Declare.
1178 * rs6000.c: Include system.h.
1179 (function_arg_padding): Change return type to int, cast enum's to
1182 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
1183 * collect2.c (scan_prog_file): Add explicit braces to avoid
1186 * dbxout.c (dbxout_type_fields): Add braces around empty body in
1188 (dbxout_type): Likewise.
1190 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
1191 `ptt_size' from int to size_t.
1192 (rs6000_file_start): Likewise for `i'.
1193 (rs6000_replace_regno): Add default case in enumeration switch.
1194 (output_epilog): Remove unused variable `i'.
1195 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
1198 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
1200 (get_issue_rate, non_logical_cint_operand): Add prototype.
1201 (rs6000_output_load_toc_table): Ditto.
1203 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
1206 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
1208 * config/arm/thumb.c: New File. Support for ARM's Thumb
1210 * config/arm/thumb.h: New File. Thumb definitions.
1211 * config/arm/thumb.md: New File. Thumb machine description.
1212 * config/arm/tcoff.h: New File. Thumb COFF support.
1213 * config/arm/t-thumb: New File. Thumb makefile fragment.
1214 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
1216 * configure.in: Add Thumb-coff target.
1217 * configure: Add Thumb-coff target.
1218 * config.sub: Add Thumb-coff target.
1220 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
1222 * loop.c (scan_loop): Initialize move_insn_first to zero.
1224 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
1226 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
1227 * config/i386/rtems.h: Likewise.
1228 * config/i960/rtems.h: Likewise.
1229 * config/m68k/rtems.h: Likewise.
1230 * config/mips/rtems64.h: Likewise.
1231 * config/pa/rtems.h: Likewise.
1232 * config/rs6000/rtems.h: Likewise.
1233 * config/sh/rtems.h: Likewise.
1234 * config/sparc/rtems.h: Likewise.
1236 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1238 * pa.c (emit_move_sequence): If in reload, call find_replacement.
1240 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
1242 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
1244 * collect2.c (find_a_file): Add debugging.
1245 (find_a_file): Test for win32 style absolute paths if
1246 DIR_SERPARATOR is defined.
1247 (prefix_from_string): Add debugging.
1248 (main): Test for debug command line switch at start of program
1250 (main): Use GET_ENVIRONMENT rather than getenv().
1251 (prefix_from_env): Use GET_ENVIRONMENT.
1253 1998-03-24 Mark Mitchell <mmitchell@usa.net>
1255 * cplus-dem.c (optable): Add sizeof.
1256 (demangle_template_value_parm): New function containing code
1257 previously found in demangle_template.
1258 (demangle_integral_value): New function which handles complicated
1259 integral expressions.
1260 (demangle_template): Use them.
1262 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1264 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
1265 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
1266 genattrtab.o, genoutput.o): Depend on system.h.
1268 * genattr.c: Include system.h. Add arguments to various function
1269 prototypes. Remove redundant prototype of read_rtx().
1270 * genattrtab.c: Likewise.
1271 * gencodes.c: Likewise.
1272 * genconfig.c: Likewise.
1273 * genemit.c: Likewise.
1274 * genextract.c: Likewise.
1275 * genflags.c: Likewise.
1276 * genopinit.c: Likewise.
1277 * genoutput.c: Likewise.
1278 * genpeep.c: Likewise.
1279 * genrecog.c: Likewise.
1281 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
1283 * c-lang.c (lang_print_xnode): New function.
1284 * objc/objc-act.c (lang_print_xnode): Likewise.
1285 * print-tree.c (print_node): Call it
1287 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
1289 * c-parse.in: Recognize protocol qualifiers in class
1290 definitions for objc.
1292 (yyerror): Remove redundant decl.
1293 (yyprint): Fix prototype.
1295 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
1297 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
1299 * stmt.c (unroll_block_trees): Free block_vector if needed.
1301 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
1303 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
1304 (zero_extendsidi2): Avoid useless copy.
1305 (iordi_zext): New pattern.
1306 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
1308 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
1310 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
1311 (ashldi3): Allow constant shift count in range ]32,63].
1312 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
1314 1998-03-22 Mark Mitchell <mmitchell@usa.net>
1316 * tree.h (IS_EXPR_CODE_CLASS): New macro.
1318 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
1320 * h8300.h (CONST_COSTS): Remove definition.
1321 (DEFAULT_RTX_COSTS): Define.
1323 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
1325 * config/sh/rtems.h: Switched from ELF to COFF.
1327 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1329 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
1331 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
1333 * version.c: Bump for snapshot.
1335 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
1336 Geoff Noer <noer@cygnus.com>
1338 * Makefile.in: Various fixes for building cygwin32 native toolchains.
1340 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
1341 * objc/Make-lang.in: Likewise.
1343 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
1345 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
1347 * configure.in: Handle with-PACKAGE=no correctly
1349 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1351 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
1352 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
1353 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
1354 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
1355 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
1356 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
1357 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
1358 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
1359 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
1360 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
1363 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
1364 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
1365 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
1366 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
1367 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
1368 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
1369 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
1370 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
1371 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
1372 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
1373 xcoffout.c: Include system.h. Organize include ordering so
1374 that stdarg/varargs comes before other system headers. Remove
1375 spurious casts of functions assured of a prototype in system.h.
1377 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
1379 * reg-stack.c (pop_stack): Define. Pops any register on the
1380 regstack and adjusts regstack.
1381 (compare_for_stack_reg): Use pop_stack.
1383 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
1385 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
1388 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
1390 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
1392 * fold-const.c (fold): Replace sign-extension of a zero extended
1393 value by a single zero extension.
1395 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
1397 * except.c (init_eh): Do nothing.
1398 (save_eh_status): Call init_eh_for_function, not init_eh.
1399 * function.c (push_function_context_to): Don't call init_emit.
1401 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
1403 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
1406 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1408 * final.c (shorten_branches): Add parentheses around +/- in
1411 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
1413 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
1415 * regclass.c (memory_move_secondary_cost): Wrap uses of
1416 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
1419 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1421 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
1423 * flow.c (life_analysis): #include <sys/types.h> to make sure
1425 * cplus-dem.c (demangle_function_name): Likewise.
1427 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
1429 * final.c (insn_noperands): Change type to unsigned int.
1430 (final_scan_insn): Likewise for noperands;
1431 properly check operand number boundaries.
1433 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
1435 * alpha.md (extzv): Don't reject register operands. Fix
1438 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
1440 * dbxout.c (dbxout_function_end): Fix last change. The correct
1441 predicate is ASM_OUTPUT_SECTION_NAME.
1443 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1445 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
1446 (ashlsi): Use match_dup 1 instead of match_operand 2.
1448 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1450 * fold-const.c (operand_equal_for_comparison_p): See if equal
1451 when nop conversions are removed.
1453 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1455 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
1456 don't use ORIGINAL_TARGET unless REG.
1458 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1460 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
1462 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
1464 * loop.c (struct movable): New field move_insn_first.
1465 (scan_loop): In consec sets code, set it. Clear it otherwise.
1466 (move_movables): In consec sets code, use it. Copy REG_NOTES from
1467 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
1470 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
1472 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
1473 is large, and the system doesn't provide atoll or atoq.
1476 * alpha/xm-vms.h (HAVE_ATOLL): Define.
1477 Reported by Klaus Kaempf <kkaempf@progis.de>.
1479 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1481 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
1482 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
1484 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
1485 test !ACCUMULATE_OUTGOING_ARGS.
1487 * collect2.c (write_c_file_glob): Wrap function definition in
1488 macro test !LD_INIT_SWITCH.
1490 * combine.c (try_combine): Wrap variables `cc_use' and
1491 `compare_mode' in macro test EXTRA_CC_MODES.
1493 * cpplib.c (do_ident): Remove unused variable `len'.
1494 (skip_if_group): Remove unused variables `at_beg_of_line' and
1496 (cpp_get_token): Remove unused variable `dummy'.
1498 * dbxout.c (scope_labelno): Move static variable definition inside
1499 the one function scope where it is used.
1500 (dbxout_function_end): Wrap prototype and definition in
1501 macro test !NO_DBX_FUNCTION_END.
1503 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
1504 in macro test !MIPS_DEBUGGING_INFO.
1506 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
1507 into the scope where it is used. Wrap empty else-statement body
1510 * fix-header.c: Fix typo in comment.
1511 (inf_skip_spaces): Cast results of INF_UNGET to (void).
1512 (check_protection, main): Likewise.
1514 * flow.c (find_basic_blocks_1): Remove dangling comment text.
1516 * function.c (contains): Wrap prototype and definition in macro
1517 test HAVE_prologue || HAVE_epilogue.
1518 (fixup_var_refs_1): Remove unused variable `width'.
1520 * gen-protos.c (main): Remove unused variable `optr'.
1522 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
1524 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
1525 (__sjpopnthrow): Remove unused variable `jmpbuf'.
1526 (__throw): Remove unused variable `val'.
1528 * protoize.c: Check for a previously existing definition before
1529 defining *_OK macros.
1531 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
1533 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1535 * vax.h (ADDR_VEC_ALIGN): Define.
1537 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
1539 * gcc.c (default_arg): Don't wander off the end of allocated
1542 (From Geoffrey Keating <geoffk@ozemail.com.au>)
1543 * rs6000.c (small_data_operand): Ensure that any address
1544 referenced relative to the small data area is inside the SDA.
1546 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
1548 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
1550 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1552 * except.h (in_same_eh_region): New prototype.
1553 (free_insn_eh_region, init_insn_eh_region): New prototypes.
1554 * except.c (insn_eh_region, maximum_uid): New static variables.
1555 (set_insn_eh_region): New static function to set region numbers.
1556 (free_insn_eh_region): New function to free EH region table.
1557 (init_insn_eh_region): New function to initialize EH region table.
1558 (in_same_eh_region): New function used to determine if two rtl
1559 instructions are in the same exception region or not.
1560 * final.c (final): Initialize the table indicating which instructions
1561 belong in which exception region.
1562 * genpeep.c (main): Add "except.h" to include file list in generated
1564 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
1565 peepholes involving calls and unconditional branches.
1567 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
1569 * README.gnat: New file.
1571 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1573 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
1574 "recog.h" for offsettable_memref_p.
1575 (legitimize_pic_address): Remove unused variable `offset'.
1576 (notice_update_cc): Change return type to void. Add default label
1578 (standard_68881_constant_p): Remove unused variable mode.
1579 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
1580 (const_int_cost): Explicitly declare as returning int.
1581 (output_dbcc_and_branch): Change return type to void.
1583 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
1584 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
1585 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
1587 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
1589 * version.c: Bump for snapshot.
1591 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1593 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
1594 check for 'M' constraint.
1596 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
1598 * cccp.c (create_definition): If pedantic, call pedwarn for macro
1601 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1603 * i386.c (ix86_logical_operator): New function.
1604 (split_di): Ensure that when a MEM is split, the resulting MEMs have
1606 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
1609 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1610 Richard Earnshaw <rearnsha@arm.com>
1611 Nick Clifton <nickc@cygnus.com>
1613 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
1615 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
1617 * cse.c (rtx_cost): Provide a default case in an enumeration
1618 switch, and call DEFAULT_RTX_COSTS if it's defined.
1620 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
1622 * basic-block.h (compute_preds_succs): Change return type in
1624 * flow.c (compute_preds_succs): Likewise in function definition.
1626 * regmove.c (find_matches): Cast char used as array index to unsigned char
1629 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
1631 * i386.h (RTX_COSTS): Insert braces around nested if.
1632 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
1635 * gcc.c (default_compilers): Properly put brackets around array elements in
1638 * getopt.c (_getopt_internal): Add explicit braces around nested if;
1641 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
1642 (record_reg_life_pat): Add explicit parens around && and || in expression.
1643 (stack_reg_life_analysis): Add parens around assignment used as expression.
1644 (convert_regs): Likewise.
1646 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
1648 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
1649 change callers accordingly.
1651 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
1652 and definition; change all callers accordingly.
1654 * except.c (init_eh): Avoid assignment of unused return value of
1655 build_pointer_type; cast it to void, instead, and remove unused
1658 * gcc.c (lang_specific_driver): Define prototype only #ifdef
1659 LANG_SPECIFIC_DRIVER.
1660 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
1662 * genoutput.c (output_epilogue): Initialize next_name to 0.
1664 * real.c (efrexp): #if 0 prototype and function definition.
1665 (eremain): Likewise.
1672 * reload.c (push_secondary_reload): Define prototype only
1673 #ifdef HAVE_SECONDARY_RELOADS.
1675 * varasm.c (assemble_static_space): Define rounded only
1676 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
1678 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
1680 * i386.md (andsi): Add default case in enumeration switch.
1685 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
1687 * c-decl (finish_struct): Change type of min_align to unsigned.
1689 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
1690 remove unused variable len.
1692 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
1693 comment indicating this is proper behaviour.
1694 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
1696 (based_loc_descr): Likewise.
1698 * enquire.c (bitpattern): Change type of variable i to unsigned.
1700 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
1702 * flow.c (life_analysis): Change type of variable i to size_t;
1703 remove unused variable insn.
1705 * gcc.c (translate_options): Change type of variables optlen, arglen and
1707 (input_filename_length): Change type to size_t.
1708 (do_spec_1): Change type of variable bufsize to size_t.
1709 (main): Change type of variables i and j to size_t;
1710 remove subblock local definition of variable i.
1711 (lookup_compiler): Change type of second argument to size_t;
1712 change type of variable i to size_t.
1714 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
1716 * genopinit.c (get_insn): Change type of variable pindex to size_t.
1718 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
1720 * global.c (global_alloc): Change type of variable i to size_t.
1722 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
1724 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
1725 (expand_end_case): Change type of variable count to size_t.
1727 * toplev.c (main): Change type of variable j to size_t.
1728 (set_target_switch): Change type of variable j to size_t.
1729 (print_switch_values): Change type of variable j to size_t;
1730 remove unused variable flags.
1732 * varasm.c (assemble_variable): Change type of variable align to size_t.
1733 (const_hash_rtx): Change type of variable i to size_t.
1735 1998-03-11 Mark Mitchell <mmitchell@usa.net>
1737 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
1738 TREE_VEC if that's what it really is.
1740 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
1742 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
1745 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
1747 * gthr.h: Changed the comment about return values.
1748 * gthr-solaris.h (__gthread_once): Do not use errno; return the
1749 error number instead of -1.
1750 (__gthread_key_create): Any non-zero return value is an error.
1751 * libgcc2.c (eh_context_initialize): Check for non-zero return
1752 value from __gthread_once.
1753 Check that the value of get_eh_context was really changed.
1755 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1757 * sh.h (LOOP_ALIGN): Only align when optimizing.
1758 * sh.c (find_barrier): Clear inc for CODE_LABELs.
1759 When not optimizing, calculate alignment for BARRIERs directly.
1761 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1763 * final.c (shorten_branches): Remove conditionalizing on
1764 SHORTEN_WITH_ADJUST_INSN_LENGTH
1765 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
1767 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
1769 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
1770 an unconditional jump around deleted blocks.
1772 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
1774 * profile.c (branch_prob): If see computed goto, call fatal instead of
1777 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
1779 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
1780 Patch from Bruno Haible.
1782 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
1783 (assign_parms): Set aggregate if hide_last_arg and last_named.
1785 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1787 * final.c (shorten_branches): Initialize insn_addresses.
1789 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1791 * sh.h (MUST_PASS_IN_STACK): Define.
1793 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
1795 * final.c (shorten_branches): Fix minor logic error in
1796 ADDR_DIFF_VEC shortening support.
1798 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
1800 * version.c: Bump for snapshot.
1802 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
1804 * haifa-sched.c (is_cfg_nonregular): Change return type to
1805 an int. No longer compute "estimated" number of edges. Use
1806 computed_jump_p instead of duplicating the code. Fixup/add
1808 (build_control_flow): Returns a value indicating an irregularity
1809 in the cfg was detected. Count the number of edges in the cfg.
1810 allocate various edge tables.
1811 (find_rgns): No longer look for unreachable blocks.
1812 (schedule_insns): Do not allocate memory for edge tables here.
1813 Free memory for edge tables before returning. Do not perform
1814 cross block scheduling if build_control_flow returns nonzero.
1815 * flow.c (compute_preds_succs): More accurately determine when
1818 * basic-block.h (free_basic_block_vargs): Provide prototype.
1820 * cccp.c (main): Fix dumb mistakes in last change.
1822 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1824 * rtl.h (addr_diff_vec_flags): New typedef.
1825 (union rtunion_def): New member rt_addr_diff_vec_flags.
1826 (ADDR_DIFF_VEC_FLAGS): New macro.
1828 * sh.c (output_branch): Fix offset overflow problems.
1830 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
1831 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
1832 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
1833 * stmt.c (expand_end_case): Supply new arguments to
1834 gen_rtx_ADDR_DIFF_VEC.
1835 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
1836 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
1837 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
1838 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
1839 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
1840 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
1841 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
1842 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
1843 * i386/freebsd.h, i386/linux.h : Likewise.
1844 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
1845 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
1846 * m68k/mot3300.h, m68k/sgs.h : Likewise.
1847 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
1848 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
1849 (CASE_VECTOR_SHORTEN_MODE): Define.
1850 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
1851 (med_branch_p, braf_branch_p): Don't declare.
1852 (mdep_reorg_phase, barrier_align): Declare.
1853 (ADJUST_INSN_LENGTH): Remove alignment handling.
1854 * sh.c (uid_align, uid_align_max): Deleted.
1855 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
1856 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
1857 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
1858 (output_far_jump): Don't use braf_branch_p.
1859 (output_branchy_insn): Don't use branch_offset.
1860 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
1861 Remove paired barrier stuff.
1862 Don't use cache_align_p.
1863 Take alignment insns into account.
1864 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
1866 (barrier_align, branch_dest): New function.
1867 (machine_dependent_reorg, split_branches): Remove infrastructure
1868 for branch shortening that is now provided in the backend.
1869 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
1870 (braf_branch_p, braf_cbranch_p): Likewise.
1871 (attribute length): Use new attributes.
1872 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
1873 (addr_diff_vec_adjust): Delete.
1874 (align_2): Now a define_expand.
1875 (align_log): Now length 0.
1877 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
1879 * m32r.md (right): Correctly check for length == 2, not 1.
1881 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1883 * mips/mips.h: Prototype `machine_dependent_reorg'.
1884 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
1886 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1888 * final.c (shorten_branches): Restore accidentally removed code.
1890 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1892 * configure.in: Remove duplicate uses of AC_PROG_CC and
1895 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
1897 * configure.in (target_cpu_default2): Correct typo for alphapca56.
1899 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
1900 Doug Evans (devans@cygnus.com)
1902 * haifa-sched.c (build_jmp_edges): Delete dead function.
1903 (build_control_flow): Use cfg routines from flow.c
1904 (schedule_insns): Remove debugging code accidentally checked
1907 * basic-block.h: Add external integer list structures, typdefs,
1908 accessor macros and function declarations. Simlarly for
1909 basic block pred/succ support and simple bitmap stuff.
1910 * flow.c: Add functions for integer list, basic block pred/succ
1911 support and simple bitmap support.
1912 (compute_dominators): New function to compute dominators and
1914 (find_basic_blocks): Split into two functions.
1915 (life_analysis): Likewise.
1916 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
1917 the life_analysis from toplev.c
1918 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
1919 life_analysis instead of flow_analysis.
1921 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1923 * jump.c (jump_optimize): Call mark_jump_label also for deleted
1925 (mark_jump_label): Don't increment ref counts for deleted insns.
1927 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1929 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
1931 * mips/mips.c: Include stdlib.h and unistd.h.
1932 (mips_asm_file_end): Add braces around empty body in an if-statement.
1933 (function_prologue): Wrap variable `fnname' in
1934 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
1935 (mips_select_rtx_section, mips_select_section): Declare as void.
1937 * mips/mips.h: Add prototypes for extern functions in mips.c.
1938 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
1939 (ENCODE_SECTION_INFO): Add braces around empty body in an
1942 * mips/mips.md (movdi): Add parentheses around && within ||.
1943 (movsf, movdf): Likewise.
1944 (branch_zero, branch_zero_di): Add default case in
1948 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
1950 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
1951 real constants, since they can't be changed.
1952 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1953 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
1954 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1955 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
1956 * alpha/vms.h (TARGET_OPEN_VMS): New.
1957 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
1959 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
1961 * reload.c (find_reloads): Always force (subreg (mem)) to be
1962 reloaded if WORD_REGISTER_OPERATIONS.
1964 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
1966 * haifa-sched.c (free_list): Rename from free_pnd_lst.
1967 (free_pending_lists): Rename free_pnd_lst uses.
1968 (remove_dependence): Place expunged element on unused_insn_list.
1969 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
1970 gen_rtx_*_LIST and alloc_rtx to use them.
1971 (compute_block_backward_dependences): Free the reg_last_* lists.
1973 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
1975 * cccp.c (main): Avoid undefined behavior when setting pend_includes
1978 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1980 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
1981 USE_GNULIBC_1 is defined
1982 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
1983 includes the t-linux-gnulibc1 fragment
1985 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
1987 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
1989 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1991 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
1993 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1995 * final.c (shorten_branches): Tag the loop alignment onto the
1996 first label after NOTE_INSN_LOOP_BEG even if there is an
1999 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2001 * final.c (insn_current_reference_address):
2002 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
2003 proper alignment chain.
2005 * final.c (max_labelno): New static variable.
2006 (final_scan_insn): Check max_labelno before outputting an
2007 alignment for a label.
2008 (shorten_branches): Remove unused variable length_align.
2010 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2012 * sparc.c (ultrasparc_adjust_cost): Add default case in
2015 * sparc.h: Add prototypes for extern functions defined in
2018 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
2020 * toplev.c: Only generate <name>.dbr file when dumping RTL if
2021 DEALY_SLOTS is defined.
2023 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
2025 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
2026 in call to fill_slots_from_thread.
2028 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
2030 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
2031 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
2033 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2035 * final.c (insn_last_address, insn_current_align, uid_align):
2037 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
2038 (insn_current_reference_address): Likewise.
2039 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
2040 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
2041 (label_to_alignment): New function.
2042 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
2043 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
2044 insn_current_reference_address instead of insn_current_address.
2045 (or_attr_value, write_length_unit_log): New functions.
2046 (main): Call write_length_unit_log.
2047 (write_const_num_delay_slots): Output extra '\n'.
2048 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
2050 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
2051 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
2052 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
2054 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
2055 (LABEL_ALIGN_AFTER_BARRIER).
2056 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
2057 * ns32k/tek6000.h: Likewise.
2058 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
2059 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
2060 ASM_OUTPUT_ALIGN_CODE.
2062 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
2064 * version.c: Bump for snapshot.
2066 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
2068 * version.c: Bump for snapshot.
2070 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2072 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
2073 if condition code of jump conflicts with opposite_needed.
2075 * reorg.c (fill_slots_from_thread): Mark resources referenced in
2076 opposite_needed thread. Return delay_list even when cannot get
2077 any more delay insns from end of subroutine.
2079 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
2081 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
2082 All callers changed.
2084 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2086 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
2087 end_fde_sort): New functions for fast sorting of an FDE array.
2088 (fde_insert): Simplified.
2089 (add_fdes): Change argument list.
2090 (frame_init): Use the new functions.
2092 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
2094 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
2096 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
2098 * fold-const.c (fold_range_test): Always return a value.
2100 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
2102 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
2103 data in the text section unless READONLY_DATA_SECTION is defined.
2105 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
2107 * c-parse.in (undeclared variable error): Tweak error message to
2110 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
2112 * version.c: Bump for snapshot.
2114 1998-02-28 Mark Mitchell <mmitchell@usa.net>
2116 * final.c (final_scan_insn): Undo overzealous removal of `set'.
2118 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2120 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
2121 case, add parentheses to specify the proper order of precedence in
2125 * c-aux-info.c: Include string.h/strings.h.
2127 * pa.c: Include stdlib.h.
2128 (pa_combine_instructions): Prototype the function.
2129 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
2130 (reloc_needed): Add default case for enumeration switch.
2131 (remove_useless_addtr_insns): Remove unused variable `all'.
2132 (hppa_expand_prologue): Add explicit braces to avoid
2134 (output_function_epilogue): Remove unused variable `i'.
2135 (output_millicode_call): Remove unused variable `link'.
2136 (shadd_constant_p, forward_branch_p): Make the function static.
2137 (following_call): Explicitly declare to return int.
2138 (pa_reorg): Declare as void.
2139 (pa_combine_instructions): Declare as static void. Add
2140 parentheses around && within ||.
2142 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
2143 following_call, function_label_operand, lhs_lshift_cint_operand
2146 * pa.md: Add parentheses around && within ||.
2148 * cppalloc.c: Include stdlib.h.
2150 * cpperror.c (cpp_print_containing_files): Remove unused variable
2151 `i'. Fix format specifier in fprintf.
2153 * cse.c (cse_around_loop): Add explicit braces to avoid
2155 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
2157 * expr.c (expand_expr): Add parentheses around && within ||.
2159 * final.c (app_enable): Replace fprintf with fputs where there are
2160 no format specifiers and no trailing argument after the string.
2161 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
2162 (app_disable): Likewise.
2163 (final_end_function): Likewise.
2164 (final_scan_insn): Likewise. Remove unused variable `set'.
2165 (profile_function): Wrap empty if-statement body in {} brackets.
2167 * function.c: Include stdlib.h.
2168 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
2169 (reposition_prologue_and_epilogue_notes): Add parentheses
2170 around assignment used as truth value.
2172 * integrate.c (expand_inline_function): Wrap variable
2173 `cc0_insn' in macro HAVE_cc0.
2175 * jump.c (jump_optimize): Wrap variable `q' in macro
2176 HAVE_cc0. Remove unused variable `prev1'.
2178 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
2179 within ||. Fix format specifier in fprintf.
2180 (__bb_init_prg): Add parentheses around assignment used as
2183 * local-alloc.c: Include stdlib.h.
2184 (requires_inout): Add parentheses around assignment used
2187 * loop.c (analyze_loop_iterations): Wrap prototype and definition
2188 in macro HAVE_decrement_and_branch_on_count.
2189 (insert_bct, instrument_loop_bct): Likewise.
2190 (move_movables): Add parentheses around assignment used as
2192 (consec_sets_invariant_p): Likewise.
2193 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
2195 * objc/objc-act.c: Include stdlib.h.
2196 (lookup_method_in_protocol_list): Wrap empty else-statement body
2198 (lookup_protocol_in_reflist): Likewise.
2199 (objc_add_static_instance): Remove unused variables `decl_expr'
2201 (get_objc_string_decl): Remove unused variable `decl'.
2202 (generate_static_references): Remove unused variables `idecl' and
2204 (check_protocols): Wrap empty else-statement body in braces.
2206 * protoize.c: Include stdlib.h.
2207 (substr): Add parentheses around assignment used as truth value.
2208 (abspath): Likewise.
2209 (shortpath): Likewise.
2211 * regmove.c (fixup_match_1): Add parentheses around assignment
2212 used as truth value.
2214 * reload.c (push_secondary_reload): Remove unused variable `i'.
2215 (find_reloads): Add parentheses around assignment used as truth
2218 * reload1.c: Include stdlib.h.
2220 * rtl.h: Correct typo in prototype of offsettable_memref_p.
2222 * stmt.c (add_case_node): Add parentheses around assignment used
2224 (case_tree2list): Likewise.
2226 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
2227 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
2228 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
2229 (merge_attributes): Add explicit braces to avoid ambiguous
2232 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
2235 * varasm.c: Include stdlib.h.
2238 * system.h: Remove sys/stat.h.
2239 * gcc.c: Add sys/stat.h.
2241 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
2242 * genattrtab.c: Likewise.
2243 * genconfig.c: Likewise.
2244 * genemit.c: Likewise.
2245 * genextract.c: Likewise.
2246 * genflags.c: Likewise.
2247 * genopinit.c: Likewise.
2248 * genoutput.c: Likewise.
2249 * genpeep.c: Likewise.
2250 * genrecog.c: Likewise.
2251 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
2253 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2255 * invoke.texi: Use @itemx for a secondary item in a @table.
2257 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
2260 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
2262 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
2264 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
2266 * i386.c (struct machine_function): Add new fields for PIC stuff.
2267 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
2269 (restore_386_machine_status): Corresponding changes.
2270 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
2272 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
2274 * c-parse.y (undeclared variable error): Tweak error message
2277 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
2279 * flags.h (g_switch_value, g_switch_set): Declare.
2280 * alpha.c (override_options): Set g_switch_value=8 if not set.
2281 * alpha/elf.h (CC1_SPEC): New.
2283 (LINK_SPEC): Pass along the -G value we were given.
2284 (LOCAL_ASM_OP): Remove.
2285 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
2286 (MAX_OFILE_ALIGNMENT): New.
2287 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
2288 (EXTRA_SECTIONS): Add sbss and sdata.
2289 (SECTION_FUNCTION_TEMPLATE): New.
2290 (EXTRA_SECTION_FUNCTIONS): Use it.
2291 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2292 (SELECT_SECTION): Use sdata when small enough.
2293 * alpha/linux.h (ASM_SPEC): Remove.
2296 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2297 * config.sub (sco5): Fix typo.
2299 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
2301 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
2303 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
2304 * config/alpha/t-linux: Remove file.
2305 * config/sparc/t-linux: Remove file.
2306 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
2307 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
2308 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
2310 (alpha*-*-linux-gnu*): Likewise.
2311 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
2312 (sparc-*-linux-gnu*): Likewise.
2314 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
2315 * collect2.c (ldd_file_name): Bracket declaration with same
2317 (full_real_ld_suffix): Deleted. Variable was calloced and
2318 written into, but never read.
2320 1998-02-23 Mike Stump <mrs@wrs.com>
2322 * configure.in: Add support for i386-wrs-vxworks configuration.
2323 * i386/vxi386.h: New file.
2325 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2327 * tree.c (contains_placeholder_p): Ensure function always returns
2329 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
2330 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
2332 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
2334 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
2336 1998-02-22 Paul Eggert <eggert@twinsun.com>
2338 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
2339 Define this new symbol.
2340 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
2341 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
2342 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
2344 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
2346 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
2347 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
2349 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
2351 * objc/Object.m (-error): Call objc_verror with our va_list.
2353 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2355 * collect2.c (scan_prog_file): Completely cover uses of variable
2356 `exports' with macro COLLECT_EXPORT_LIST.
2358 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
2360 * version.c: Bump for snapshot.
2362 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
2364 * sched.c (schedule_block): Remove code to get arguments from hard
2365 regs into pseudos early. Same as Aug 25, 1997 change to
2368 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
2370 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
2372 1998-02-16 Mark Mitchell <mmitchell@usa.net>
2374 * toplev.c (rest_of_compilation): Do not defer the output of a
2377 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
2379 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
2380 continuation character (line 243).
2382 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2384 * genrecog.c (main): Remove duplicated sentence in emitted comment.
2386 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
2387 David Edelsohn <edelsohn@mhpcc.edu>
2389 * collect2.c (XCOFF_SCAN_LIBS): Remove.
2390 (export_flag): New variable.
2391 (export_file): #ifdef COLLECT_EXPORT_LIST.
2392 (import_file, exports, imports, undefined): New variables.
2393 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
2394 (dump_list, dump_prefix_list, is_in_list): New functions.
2395 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
2396 (write_import_file, resolve_lib_name): New functions.
2397 (use_import_list, ignore_library): Same.
2398 (collect_exit): maybe_unlink import_file and #ifdef.
2400 (main): New variable importf, #ifdef exportf. Move parsing of
2401 -shared before general argument parsing. Resolve AIX library
2402 paths and import libgcc.a symbols. Treat .so shared libraries the
2403 same as objects and .a libraries. Create alias for object_lst and
2404 increment it instead of original pointer. Scan AIX libraries as
2405 objects earlier instead of using scan_libraries. Perform AIX
2406 tlink later to resolve templates instead of forking ld.
2407 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
2408 (GCC_UNDEF_SYMBOL): New macro.
2409 (scan_prog_file): Loop for members of AIX libraries. Handle
2410 export/import of ctors/dtors.
2411 (aix_std_libs): New variable.
2412 (scan_libraries, XCOFF): Delete.
2414 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
2416 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
2418 1998-02-19 Mike Stump <mrs@wrs.com>
2420 * Makefile.in: Use $tooldir for sys-include to match toplevel
2423 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
2424 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2426 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
2428 * emit-rtl.c (hard-reg-set.h): Include.
2429 (get_lowpart_common): Don't make new REG for hard reg in a
2430 class that cannot change size.
2431 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
2433 * combine.c: Revert previous patch.
2435 1998-02-19 Paul Eggert <eggert@twinsun.com>
2437 * config/sparc/sol2-sld.h: New file.
2438 * configure.in (sparc-*-solaris2*): Use it when using the
2441 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
2443 * loop.c (force_movables): Fix typo.
2445 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
2447 * m88k.h: Change file pattern to match reality.
2449 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
2451 * varasm.c (output_constant_pool): Fix dumb thinko in last
2454 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
2455 a function name to a section name.
2457 1998-02-18 Doug Evans <devans@cygnus.com>
2459 * tree.h (merge_machine_{type,decl}_attributes): Declare.
2460 (split_specs_attrs, strip_attrs): Add prototypes.
2461 * tree.c (merge_machine_{type,decl}_attributes): New functions.
2462 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
2463 Update olddecl's attributes too.
2464 * c-common.c (strip_attrs): New function.
2465 * c-typeck.c (common_type): Call merge_machine_type_attributes.
2466 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
2467 (make_decl_rtl): Likewise.
2469 1998-02-18 Jim Wilson <wilson@cygnus.com>
2471 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
2473 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
2475 Remove this change until we can fix it correctly.
2476 * collect2.c: Bracket declaration of 'exportf' and
2477 'full_real_ld_suffix'.
2479 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2481 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
2483 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2485 * c-common.c (c_expand_start_cond, c_expand_end_cond,
2486 c_expand_start_else): Don't warn about non-ambiguous else even if
2489 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
2491 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
2492 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
2495 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
2497 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
2498 simplifying a subreg of a hard reg.
2499 (expand_compound_operation): Likewise.
2500 (force_to_mode): Likewise.
2502 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2504 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
2505 (lshift_double): Add parentheses around + or - inside shift.
2506 (rshift_double): Likewise.
2507 (size_int_wide): Explicitly set type of `bit_p' to `int'.
2509 * Makefile.in (fold-const.o): Depend on system.h.
2511 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
2514 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
2515 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2516 (sched_note_set): Remove unused parameter `b', all callers changed.
2517 (schedule_block): Likewise for `rgn'.
2518 (split_hard_reg_notes): Likewise for `orig_insn'.
2519 (check_live): Likewise for `trg'.
2520 (update_live): Likewise.
2521 (check_live_1): Explcitly declare variable `i' as int.
2522 (update_live_1): Likewise.
2523 (insn_issue_delay): Remove unused variable `link'.
2524 (sched_analyze_2): Add default case in enumeration switch.
2525 (schedule_insns): Remove unused variable `i'.
2527 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
2529 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
2531 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
2532 a dangling else clause.
2534 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
2536 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
2537 pointer for the stack pointer in MIPS16 and 64BIT.
2539 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2541 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
2542 * emit-rtl.c (force_line_numbers, restore_line_number_status):
2544 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
2545 (expand_start_case): Adjust to this change.
2546 (check_seenlabel): New function.
2547 (pushcase, pushcase_range, expand_endcase): Use it.
2549 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2551 * i386.md (adddi3): Add =!r,0,0,X alternative.
2553 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
2555 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
2556 * x-aix31 (INSTALL): Delete.
2558 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
2560 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
2561 tsize changes to something other than zero.
2563 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
2565 * ginclude/va-mips.h: Replace casts of pointers to int with
2566 casts of pointers to __PTRDIFF_TYPE__.
2568 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
2570 * loop.c (strength_reduce, record_biv, record_giv): Use
2571 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
2573 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
2575 * tree.c (first_rtl_op): New fn.
2576 (unsave_expr_now): Use it.
2577 * print-tree.c (print_node): Likewise.
2578 * tree.c (has_cleanups): New fn.
2579 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
2580 conservative about pushing the cleanup point down.
2581 * tree.h: Declare them.
2583 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
2585 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
2586 (flag_schedule_reverse_after_reload): Likewise.
2587 (f_options): Remove reverse scheduling support.
2588 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
2589 (flag_schedule_reverse_after_reload): Likewise.
2590 * haifa-sched.c (rank_for_schedule): Remove support for reverse
2593 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2595 * gcc.c: Get system includes, prototypes and macros via "system.h"
2596 instead of doing it manually. Change all calls of the ctype
2597 macros to custom versions defined in "system.h".
2599 * system.h: Fix return type of bcmp prototype from `void' to `int'.
2600 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
2601 Add a prototype for getenv.
2603 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
2605 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
2607 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
2609 * alias.c: Include <stdlib.h> and <string.h>.
2610 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
2612 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
2614 * version.c: Bump for snapshot.
2616 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
2618 * arm.md (movsfcc): Also validate operands[3] when compiling hard
2620 (movdfcc): Only accept fpu_add_operand for operands[3].
2622 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
2623 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
2625 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
2627 * varasm.c (output_constant_pool): Bring back 'done' label inside
2628 an appropriate #ifdef.
2630 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
2632 (bitmap_copy, bitmap_operation): Likewise.
2633 * combine.c (combinable_i3pat): Similarly for 'src'.
2634 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
2635 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
2636 * regclass.c (copy_cost): Similarly for 'secondary_class'.
2637 * reload.c (make_memloc): Simliarly for 'i'.
2638 (find_reloads_address_1): Similarly for 'link'.
2639 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
2640 (emit_reload_insns): Similarly for 'second_reloadreg'.
2641 * unroll.c (iteration_info): Similarly for 'v'.
2643 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
2644 * calls.c (expand_call): Similarly for 'i'.
2645 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
2646 * fold-const.c (strip_compund_expr): Similarly for 'type'.
2647 * function.c (fixup_var_refs_1): Similarly for 'width'.
2648 (fixup_memory_subreg): Similarly for 'saved'.
2649 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
2650 (setjmp_protect): Similarly for 'sub'.
2651 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
2652 * loop.c (record_giv): Similarly for 'p'.
2653 (combine_givs): Similarly for 'temp_iv'.
2654 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
2655 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
2656 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
2657 * unroll.c (unroll_loop): Similarly for 'copy'.
2658 (iteration_info): Similarly for 'b'.
2659 * varasm.c (assemble_string): Similarly for 'i'.
2660 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
2662 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
2664 * c-lang.c (lang_print_xnode): New function.
2665 * objc/objc-act.c (lang_print_xnode): Likewise.
2666 * print-tree.c (print_node): Call it
2668 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
2670 * dwarf2out.c (decl_scope_node): New type.
2671 (decl_scope_table): Change type to use it.
2672 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
2673 (push_decl_scope): Use new type. New locals containing_scope, i.
2674 Add code to handle setting previous field.
2675 (scope_die_for): Change type of local i to int. Add code to use
2677 (dwarf2out_init): Use new type.
2679 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
2681 * except.c (emit_throw): Lose throw_used.
2683 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2685 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
2687 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
2689 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
2691 * genextract.c (main): Fix typo.
2693 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
2695 * c-lang.c (finish_file): Bracket declaration of static_ctors,
2698 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
2699 'old_stack_arg_under_construction'
2700 (emit_library_call): Bracket declaration of 'upper_bound',
2701 'lower_bound', 'i', 'reg_parm_stack_space'
2702 (emit_library_call_value): Likewise.
2705 * collect2.c: include <unistd.h> when appropriate.
2706 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
2708 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
2710 * explow.c (plus_constant_for_output_wide): Remove unused variable
2712 (memory_address): Remove unused variable 'orig_x'.
2714 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
2715 (write_const_num_delay_slots): Remove unused variable 'i'.
2717 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
2718 (gen_insn): Remove unused variable 'obstack_ptr'.
2720 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
2722 (__bb_exit_trace_func): Remove unused variable 'e'.
2724 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
2726 (expand_unop): Remove unused variable 'funexp'.
2727 (expand_complex_abs): Remove unused variable 'funexp'.
2728 (init_optabs): Bracket declaration of 'j'.
2729 (init_complex_libfuncs): Deleted. Dead static function.
2731 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
2733 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
2734 (reg_to_stack): 'initialized', 'before_function_beg'
2735 explictly type as ints instead of defaulting.
2736 (emit_swap_insn): Remove unused variable 'i2'.
2737 (compare_for_stack_reg): Remove unused variable 'src_note'.
2739 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
2741 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
2743 * stmt.c (add_case_node): Add parens for assignment used as truth.
2744 (all_cases_count): Remove unused variable 'count_high'.
2745 (mark_seen_cases): Remove unused variable 'i'.
2746 (check_for_full_enumeration_handling): Remove unused variable 't'.
2747 Bracket declaration of 'all_values', 'l'.
2749 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
2751 * varasm.c (assemble_string): Remove unused variable 'i'.
2752 (immed_double_const): Remove unused variable 'in_current_obstack'.
2753 (immed_real_const_1): Likewise.
2754 (output_constant_pool): Remove unreferenced label 'done'.
2755 (output_constant): Remove unused variable 'x'.
2757 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
2760 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
2763 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2765 * combine.c (can_combine_p): Handle USEs in PARALLELs.
2767 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
2769 * config/linux.h (LIB_SPEC): Add -lc for -shared if
2770 USE_GNULIBC_1 is not defined.
2771 * config/sparc/linux.h; Ditto.
2773 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
2775 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
2776 USE_GNULIBC_1 is not defined.
2778 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2780 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
2783 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2785 * system.h: New file to get common systems includes and various
2786 definitions and declarations based on autoconf macros.
2788 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
2790 * cccp.c (new_include_prefix): Correctly handle -I./.
2792 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
2794 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
2796 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
2798 * expr.c (expand_assignment): Correct typo exposed by -Wall.
2799 offset should have been a truth value, not an assignment.
2801 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
2803 * cse.c (delete_dead_from_cse): If a libcall produces a constant
2804 result and that result can be substituted into SET_SRC of the
2805 insn with the REG_RETVAL note, then perform the substitution
2806 and delete the libcall.
2808 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
2810 * mips.md (trucndihi2,truncdiqi2): Change these to support
2813 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
2815 * mips/mips.c (movdi_operand): Direct referances to symbols
2816 that arn't mips16 consts in mips16 mode arn't valid operands.
2818 * mips/mips.c (mips_move_2words): Add gprel handling.
2820 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
2822 * mips.md (extendsidi2): Allow extension to/from a non-mips16
2825 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
2827 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
2830 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2832 * Makefile.in (WARN_CFLAGS): New variable.
2833 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
2835 1998-02-11 Mark Mitchell <mmitchell@usa.net>
2837 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
2838 falling through default case in switch.
2839 (i386_aligned_p): Likewise.
2841 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
2843 * mips/mips.h (mips_abi_string): Correct typo in comment.
2845 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
2847 * mips/mips.md (movdi): These PLUS's need to be Pmode.
2849 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2851 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
2852 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
2853 indirectly via expr.h.
2855 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
2857 * stor-layout.c (layout_type): Do upper - lower in the native type,
2858 so as to properly handle negative indices.
2860 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
2862 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
2863 (expand_eh_region_start_tree): Remove unused variable 'note'.
2864 (exception_optimize): Remove unused variable 'regions'.
2865 (expand_builtin_eh_stub): Remove unused variable 'temp'.
2866 (copy_eh_entry): Deleted. Dead function.
2868 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
2869 'last' with same #if HAVE_load_multiple as use of it.
2870 (move_block_from_reg): Likewise.
2871 (emit_move_insn_1): Remove unused variable 'insns'.
2872 (store_constructor): Bracket declaration of startb, endb with
2873 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
2874 'target', and 'xtarget'.
2875 (expand_builtin_setjmp): Remove unused variables 'op0',
2876 'next_arg_reg', 'old_inhibit_defer_pop'.
2877 (expand_builtin): Remove unused variable 'offset'.
2878 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
2879 (emit_queue): Add parens for assignment used as conditional.
2880 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
2882 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
2884 * i386.c: Added include for recog.h.
2885 (override_options): Removed unused variable p. Initialized regno to
2887 (order_regs_for_local_alloc): Initialized regno to avoid warning.
2888 (legitimize_address): Likewise for 'other'.
2889 (i386_aligned_reg_p): Added default case with abort ().
2890 (print_operand): Likewise.
2891 (reg_mentioned_in_mem): Likewise.
2892 (ix86_expand_binary_operator): Removed unused variables i & insn.
2893 (ix86_expand_unary_operator): Removed unused variable insn.
2894 (output_fp_cc0_set): Removed unused variable unordered_label.
2896 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
2898 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
2899 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
2900 and format string match.
2902 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
2904 * flow.c (life_analysis): Do not conside the stack pointer live at
2905 the end of a function if the fucntio ncalls alloca.
2906 (mark_used_regs): Similarly.
2908 1998-02-10 John F Carr <jfc@mit.edu>
2910 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
2911 1, fzero on alternative 8.
2913 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2915 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
2917 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2919 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
2920 SUBREGs of CONST_INTs.
2922 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
2924 * mips.c (print_operand, function_prologue): Make printf format
2925 match argument type.
2927 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2929 * alpha.c (alpha_return_addr): Remove unused variable `first'.
2930 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
2931 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
2933 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2935 * loop.c (strength_reduce): When placing increment for auto-inc
2936 case, do comparison in loop order.
2938 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
2940 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
2941 not a HOST_WIDE_INT.
2943 * calls.c (expand_call): Change test of expand_inline_function
2944 return value to stop compiler warning.
2946 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
2948 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
2949 Jeff Law (law@cygnus.com)
2951 * regmove.c: Fix various minor formatting problems.
2952 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
2953 is true. Make end of basic block tests consistent through regmove.c.
2954 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
2955 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
2957 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2959 * gansidecl.h: Check for a conflicting macro definition before
2960 attempting to prototype bcopy, bcmp or bzero.
2962 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
2964 * expr.c (clear_pending_stack_adjust): Handle case where a function
2965 calls alloca, but the user has specified -fomit-fframe-pointer.
2967 * function.c (assign_parms): Fix typo in last change.
2969 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
2971 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
2973 (free_path_suffix): Remove unreferenced static function.
2974 (process_command): Remove unused variable temp.
2975 (default_arg): Remove unused variable i.
2976 (do_spec_1): Add parens for assignment used as truth value.
2978 (validate_all_switches): Likewise.
2979 (main): Remove unused variables i, first_time>
2981 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
2983 * calls.c (expand_call): Remove unused variables funtree,
2984 n_regs, and tmpmode.
2986 * dbxout.c, except.c: Include <string.h>/<strings.h>.
2988 * explow.c: (plus_constant_for_output_wide) Removed unused
2989 variable all_constant.
2991 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
2992 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
2993 genrecog.c, global.c, integrate.c , stupid.c : Include
2996 * genextract.c: (walk_rtx) Remove unused variable link.
2998 * genrecog.c: (concat) Remove unreferenced static function.
3000 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
3002 * stmt.c: Include <stdlib.h>.
3003 (expand_asm_operands): Remove unused variable val1.
3004 (expand_return): Remove unused variable block.
3005 (pushcase): Remove unused variables l and n.
3006 (pushcaserange): Likewise.
3008 * unroll.c (unroll_loop): Remove unused variable temp.
3010 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
3012 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
3014 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3016 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
3017 functions for whether they support the %p format specifier.
3018 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
3019 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
3020 * configure, config.in: Rebuild.
3022 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
3024 * function.c (assign_parms): New variable named_arg, with value
3025 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
3027 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
3029 * mips/t-r3900: New - same as t-ecoff but eliminate
3030 multilibs: mips1 and mips3.
3031 * configure.in (tx39*): Use new mips/t-r3900.
3032 * configure: Rebuild.
3033 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
3035 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
3037 * dwarf2out.c: Add old_args_size.
3038 (dwarf2out_args_size): Use it.
3039 (dwarf2out_begin_prologue): Initialize it.
3040 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
3041 pushed args until we see a call.
3042 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
3043 before outputting them.
3045 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
3047 * cplus-dem.c (demangle_template_template_parm): New function.
3048 (demangle_template): Handle template template parameters.
3050 1998-02-02 Mark Mitchell <mmitchell@usa.net>
3052 * calls.c (expand_call): Don't confuse member functions named
3053 realloc, setjmp, and so forth with the standard library
3054 functions of the same names.
3056 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
3058 * stmt.c (expand_asm_operands): Correctly identify asm statements
3061 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
3063 * c-common.c (decl_attributes): Flag unrecognized attribute
3064 functions as warnings instead of as errors.
3066 1998-02-05 Marc Lehmann <pcg@goof.com>
3068 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
3069 when -Os is specified.
3070 * toplev.c (main): Don't disable flag_inline_functions anymore when
3073 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3075 * regmove.c: Update.
3076 * flags.h (flag_regmove): Declare.
3077 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
3078 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
3079 Moved into regmove; changed caller.
3080 * toplev.c (rest_of_compilation): Call regmove_optimize also for
3081 expensive_optimizations.
3083 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
3085 * version.c: Bump for snapshot.
3087 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3088 Undo this change (the problem was actually in reload):
3089 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3091 * sh.md (movqi_i+1): New peephole.
3093 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
3095 * jump.c (jump_optimize): Lose calls to modified_in_p they are
3096 not needed anymore due to changes elsewhere in jump.c.
3098 * jump.c (jump_optimize): Fix first arg to modified_in_p in
3101 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
3103 * expr.c (expand_builtin_setjmp): Accept two new arguments for
3104 the labels to branch to on first and subsequent executions. Don't
3105 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
3106 and provide it with the jmp_buf. Use only one of
3107 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
3108 and provide the former with the target label.
3109 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
3110 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
3111 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
3112 insn to replace all of the normal nonlocal_goto code. Don't play
3113 with __dummy. Correct arguments to nonlocal_goto.
3114 * expr.h (expand_builtin_setjmp): Update prototype.
3115 * except.c (start_dynamic_handler): When using builtin_setjmp,
3116 generate more accurate flow information.
3118 * alpha.md (nonlocal_goto_receiver_osf): Delete.
3119 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
3120 (builtin_longjmp, builtin_setjmp_receiver): New.
3121 * sparc.md (update_return): Disambiguate unspec number.
3122 (nonlocal_goto): Rearrange arguments to match caller in except.c.
3123 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
3125 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
3126 (builtin_setjmp_setup*, builtin_longjmp): New.
3128 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
3130 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
3132 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
3134 * vmsconfig.com: Remove bytecode references.
3136 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3138 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
3139 -fno-sjlj-exceptions works for a target that defines
3140 DWARF2_UNWIND_INFO as zero.
3142 * regmove.c (fixup_match_1): Undo last change which removed some
3143 "useless" code, and add a comment explaining this.
3145 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
3147 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
3150 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
3152 * makefile.vms: Remove bytecode references.
3153 Create genrtl files.
3155 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
3157 * jump.c (jump_optimize): Allow conditional loading of floating point
3158 constants and constants from memory. Reinstalled modified_in_p tests.
3160 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3162 * loop.c (get_condition): Handle sign-extended constants.
3164 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
3166 * expr.c (emit_push_insn): Add code to use movstrti if present.
3168 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
3169 and movstrqi as in emit_block_move ().
3171 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
3173 * config/m68k/x-next: Remove /NextDeveloper/Headers from
3174 the directories to fixinclude - /usr/include is a link
3175 to it and hence its contents are fixed by default.
3177 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3179 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
3181 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
3183 * cccp.c (main): Predefine __VMS_VER on VMS.
3185 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3187 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
3188 * fold-const.c (size_int): Replace with
3190 (make_bit_field_ref): Use bitsize_int for bit position.
3191 * stor-layout.c (sizetype): Delete.
3192 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
3193 (layout_record, layout_union, layout_type):
3194 Use bitsize_int for bit size.
3195 (set_sizetype): New function.
3196 (make_signed_type, make_unsigned_type): Use it.
3197 * c-decl.c (init_decl_processing): Likewise.
3198 * tree.h (size_int): Don't delcare, #define.
3199 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
3200 (set_sizetype): Declare.
3201 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
3203 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
3204 Convert result to sizetype.
3205 (really_start_incremental_init, push_init_level):
3206 Set type of constructor_bit_index to sbitsizetype.
3207 (push_init_level): Use unsigned arithmetic to determine padding.
3208 (output_init_element): Likewise.
3210 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
3212 * combine.c (simplify_shift_const): Fix typo in last change.
3214 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
3216 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
3217 is (truncate (lshiftrt)).
3219 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
3221 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
3222 Make sure result winds up in TGT.
3223 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
3224 src to be other than DImode.
3225 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
3226 (alpha_expand_unaligned_store_words): Likewise.
3227 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
3228 that source and destination are separately optimized for alignment.
3229 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
3231 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
3233 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
3234 with handling of -32768.
3236 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3238 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
3239 shell variable argument instead of only hard coded functions.
3240 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
3242 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
3243 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
3244 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
3245 declarations for bcopy, bcmp and bzero.
3247 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
3249 * gansidecl.h: If we have bcopy but don't declare it, then do so.
3250 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
3251 bzero, index and rindex if they aren't already present.
3253 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
3255 * toplev.c (close_dump_file): Wrap function prototype for
3256 argument "func" in PROTO.
3257 (dump_rtl): Likewise.
3259 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
3261 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
3263 (output_function_epilogue): Omit epilogue if nothing drops through.
3264 (output_move_double): Supress int ldd usage on ultrasparc and v9.
3265 (registers_ok_for_ldd_peep): Likewise.
3266 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
3267 (ultrasparc_adjust_cost): New function.
3268 (sparc_issue_rate): New function.
3269 * sparc.h (MASK_VIS, TARGET_VIS): New
3270 (MASK_V8PLUS, TARGET_V8PLUS): New.
3271 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
3272 (TARGET_SWITCHES): Add vis and v8plus.
3273 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
3274 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
3275 (RTX_COSTS): Use TARGET_HARD_MUL
3276 (ADJUST_COST): Call ultrasparc_adjust_cost.
3278 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
3279 of load & fp appropritely.
3280 (supersparc function units): Adjust for Haifa.
3281 (ultrasparc function units): Likewise.
3282 (get_pc_via_rdpc): All v9, not just arch64.
3283 (movdi_v8plus, movdi_v8plus+1): New.
3284 (adddi3_sp32+1): New.
3285 (subdi3_sp32+1): New.
3286 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
3287 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
3288 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
3289 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
3290 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
3291 (ldd peepholes): Suppress for v9.
3292 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
3293 (return_subsi): Revmove.
3295 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
3297 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
3298 save/restore MEM rtl.
3300 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
3302 * configure.in: Check for declaration of abort.
3303 * acconfig.h: Corresponding changes.
3304 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
3307 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
3309 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
3312 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
3314 * version.c: Bump for snapshot.
3316 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
3318 * configure.in: Check for atoq and atoll.
3319 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
3320 proper routine for converting ascii into long long values.
3322 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
3324 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
3326 * vmsconfig.com: Remove bytecode references.
3328 * alpha/vms.h (PREFIX): Define.
3330 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
3332 * am-alpha.h: Don't include alloca for OPEN_VMS.
3334 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
3336 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
3337 (GCC_INCLUDE_DIR): Define
3339 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
3340 * makefile.vms: New file.
3342 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
3344 * alpha.c (output_prolog): Output '.name' directive
3345 for minimal traceback information.
3347 * alpha.c (output_prolog): Don't prepend entry point symbols
3348 with '$' on OPEN_VMS.
3350 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
3351 Jeffrey A Law (law@cygnus.com)
3353 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
3356 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
3358 * genemit.c (gen_exp): Likewise.
3359 * genpeep.c (match_rtx): Likewise.
3360 * genrecog.c (write_tree_1): Likewise.
3362 * c-lex.c (yyprint): Use proper format string based upon
3363 disposition of HOST_BITS_PER_WIDE_INT.
3364 (yylex): Put casts in right place for args to build_int_2.
3366 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
3368 * combine.c: Fix typos in Jan27 changes.
3370 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
3372 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
3373 (LINK_SPEC): Likewise.
3374 (STARTFILE_SPEC): Likewise.
3376 1998-01-28 Mike Stump <mrs@wrs.com>
3378 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
3380 * genattrtab.c (reload_completed): Define.
3382 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
3385 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3387 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3388 SUBREG_REG if the word count is unchanged, also in the input reload
3389 case. Disable non-applicable sanity checks.
3391 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
3393 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
3395 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
3397 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
3399 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
3401 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
3402 is a TREE_VEC before trying to use it for baseclasses.
3403 (Chill uses the same field for a different purpose.)
3405 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
3407 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
3409 * config.sub: More accurate determination of HP processor types.
3411 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3413 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
3414 prototype for `handle_sysv_pragma', and make it static. Add
3415 parentheses around assignment used as truth value.
3417 * combine.c (combine_instructions): Protect variable `prev' with
3419 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
3420 (extract_left_shift): Add parentheses around operand of &.
3421 (merge_outer_ops): Avoid an empty body in an else-statement.
3422 (gen_rtx_combine): Remove unused variable `i'.
3424 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
3425 function monstartup `void'. Likewise for internal_mcount. Add
3426 `static void' prototype for moncontrol. Reconcile sprintf format
3429 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
3430 Make return type of function_arg_slotno explicitly `int'.
3431 (reg_unused_after): Add parentheses around assignment used as
3433 (save_regs): Add explicit braces to avoid ambiguous `else'.
3434 (function_arg_slotno): Add parentheses around && within ||.
3435 (function_arg_pass_by_reference): Likewise.
3436 (sparc_flat_output_function_prologue): Reconcile fprintf format
3439 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3440 assignment used as truth value.
3442 * cplus-dem.c: Include <stdlib.h>.
3443 (demangle_signature): Avoid an empty body in an else-statement.
3444 (do_type): Remove unused variable `lvl'.
3446 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
3447 Include <string.h>/<strings.h>.
3448 (cpp_lex): Remove unused variable `namelen'.
3449 (cpp_lex): Explicitly declare `num_chars' as an int.
3451 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
3452 <unistd.h> instead. Explicitly declare is_system_include
3454 (make_assertion): Remove unused variable `kt'.
3455 (cpp_expand_to_buffer): Hide variable `obuf'.
3456 (output_line_command): Remove unused variables, `line_end',
3457 `line_cmd_buf' and `len'.
3458 (macarg): Remove unused variable `arg_start'.
3459 (special_symbol): Remove unused variable `i'. Add parentheses
3460 around assignment used as truth value.
3461 (do_include): Remove unused variables `pcfname' and `retried',
3462 hide `pcf' and `pcfbuflimit'.
3463 (do_line): Remove unused variable `i'.
3464 (finclude): Hide variable `missing_newline'.
3465 (cpp_handle_options): Remove unused variable `j'.
3466 (read_token_list): Remove unused variable `eofp'.
3467 (cpp_error_with_line): Remove unused variable `i'.
3468 (cpp_warning_with_line): Likewise.
3469 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
3470 (cpp_error_from_errno): Remove unused variable `i'.
3472 * cse.c (invalidate): Add parentheses around assignment used as
3474 (find_best_addr): Move declaration of variable `our_cost' inside
3475 the conditional macro where its used.
3476 (fold_rtx): Avoid an empty body in an if-statement.
3477 (cse_insn): Wrap variables `this_insn_cc0_mode' and
3478 `this_insn_cc0' in macro HAVE_cc0.
3480 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
3481 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
3482 (output_uleb128): Likewise.
3483 (output_sleb128): Likewise.
3484 (output_cfi): Likewise.
3485 (output_call_frame_info): Remove unused variables `j', `fde_size'
3487 (comp_unit_has_inlines): Hide declaration as per rest of file.
3488 (size_of_line_prolog): Correct typo in prototype.
3489 (add_arange): Likewise.
3490 (output_aranges): Likewise.
3491 (add_name_and_src_coords_attributes): Likewise.
3492 (gen_array_type_die): Likewise.
3493 (gen_inlined_subroutine_die): Likewise.
3494 (equate_decl_number_to_die): Remove unused variable `i'.
3495 (print_die): Reconcile format vs. args in fprintf's.
3496 (print_dwarf_line_table): Likewise.
3497 (output_die): Likewise.
3498 (output_line_info): Likewise.
3499 (add_subscript_info): Avoid an empty body in an else-statement.
3500 (gen_subprogram_die): Remove unused variable `fp_loc'.
3502 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
3503 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
3504 macro. Protect `src_coords_attribute' prototype with
3505 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
3506 prototype as in the rest of the file. Likewise for
3507 `output_pointer_type_die' and `output_reference_type_die'. Remove
3508 prototype for `type_of_for_scope'.
3509 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
3510 (type_attribute): Add explicit braces to avoid ambiguous `else'.
3512 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
3513 (shorten_branches): Protect declaration of tmp_length with
3514 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
3515 (profile_function): Protect declaration of `sval' and `cxt'
3516 variables with appropriate macros.
3517 (final_scan_insn): Likewise for `note' variable. Add explicit
3518 braces to avoid empty body in an if-statement.
3519 (output_asm_insn): Move variable `i' inside macro conditional
3520 where it is used. Add parentheses around assignment used as truth
3522 (asm_fprintf) Likewise, likewise.
3524 * fix-header.c (main): Remove unused variable `done'. Protect
3525 declaration of `i' with FIXPROTO_IGNORE_LIST.
3527 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
3529 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
3532 * profile.c: Include <string.h>/<strings.h>.
3533 (instrument_arcs): Remove unused variables `note', `inverted',
3534 `zero' and `neg_one'.
3535 (branch_prob): Avoid empty body in an if-statement.
3537 * regclass.c: Include <stdlib.h>.
3538 (reg_alternate_class): Explicitly declare parameter `regno'.
3540 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
3541 parentheses around assignment used as truth value.
3542 (find_matches): Remove unused variables `output_operand' and
3544 (fixup_match_1): Remove statement with no effect: "if (0) ;".
3546 * scan.c (sstring_append): Explicitly declare `count' as int.
3547 (scan_string): Explicitly declare parameter `init' as int.
3549 * sched.c: Include <stdlib.h>.
3550 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
3551 (rank_for_schedule): Add parentheses around assignment used as
3553 (schedule_block): Likewise.
3554 (regno_use_in): Likewise.
3555 (schedule_insns): Remove unused variable `i'.
3557 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
3558 (v_message_with_decl): Remove unused variable `n'.
3559 (botch): Explicitly declare parameter `s' as char *.
3560 (main): Add parentheses around assignment used as truth value.
3562 * tree.c (make_node): Protect the variable `kind' with the
3563 GATHER_STATISTICS macro.
3564 (real_value_from_int_cst): Move variable `e' inside conditional
3565 macro area where it is used.
3566 (tree_last): Add parentheses around assignment used as truth value.
3567 (build1): Protect the variable `kind' with the GATHER_STATISTICS
3569 (print_obstack_statistics): Reconcile format vs. args in fprintf.
3570 Protect variables `i', `total_nodes', and `total_bytes' with the
3571 GATHER_STATISTICS macro.
3573 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
3575 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
3576 some comments regarding use of dead_or_set_p.
3578 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
3580 * fixincludes: Tweak fix for struct exception in math.h
3582 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
3584 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
3585 Change mode of registers used to add/sub from
3586 hard_frame_pointer_rtx from word_mode to Pmode.
3588 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
3590 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
3591 asm_output_aligned_bss() instead of asm_output_bss().
3593 * toplev.c (rest_of_compilation): Replace references to
3594 stack_reg_dump_file and dbr_sched_dump_file with references to
3597 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3599 * tlink.c (scan_linker_output): Call fclose() for opened files.
3601 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
3603 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
3604 compiling with -fpic -- we want to be able to override symbols
3606 (alpha_expand_block_move): Fix thinko in last change.
3608 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
3609 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
3610 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
3612 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
3614 * alpha.md (abssf, absdf): Revert last change.
3616 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
3618 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
3619 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
3621 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
3623 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
3624 a CONST_INT into SFmode.
3626 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
3628 * flags.h: New flag (optimize_size).
3629 * toplev.c (main): Parse -Os option and set optimize_space
3631 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
3632 __OPTIMIZE_SIZE__ when compiling with -Os.
3633 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
3634 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
3635 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
3637 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
3639 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
3641 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
3642 stuff only if MCT_TEXT is #define'd.
3644 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
3646 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
3649 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
3651 * toplev.c: Add -dM command line option to dump RTL after the
3652 machine dependent reorganisation pass, if there is one.
3653 Reorganise RTL dump code, so that only one file handle is
3656 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
3658 * except.c (check_exception_handler_labels): Disable warning when
3661 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
3663 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
3665 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3667 * c-decl.c (grokdeclarator): Get parameter tags from
3668 last_function_parm_tags.
3669 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
3670 traversing the parameter types.
3671 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
3673 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
3675 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
3677 (get_shift_alg): Fix typo.
3679 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
3681 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
3683 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
3685 * toplev.c (get_run_time): Make sure each case gets its variables.
3687 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
3689 * configure.in (build_xm_file): Add auto-config.h if host=build.
3690 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
3691 (build_xm_file_list): Likewise.
3692 * configure: Rebuild.
3694 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3696 * recog.c (validate_replace_rtx_1): Only perform substitutions
3697 of arguments to commutative and comparison operators once.
3699 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3701 * sparc.c (output_cbranch): Add default case in
3704 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
3705 (emit_delay_sequence): Eliminate unused parameter, all callers
3707 (fill_simple_delay_slots): Likewise.
3708 (fill_slots_from_thread): Likewise.
3709 (fill_eager_delay_slots): Likewise.
3710 (mark_referenced_resources): Add default case in enumeration switch.
3711 (mark_set_resources): Likewise.
3712 (rare_destination): Likewise.
3713 (mostly_true_jump): Likewise.
3714 (find_dead_or_set_registers): Likewise.
3715 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
3716 (update_reg_unused_notes): Remove unused variable `p'.
3717 (mark_target_live_regs): Remove unused variables `next' and
3719 (fill_simple_delay_slots): Remove unused variable `j'.
3720 (fill_slots_from_thread): Add parentheses around assignment used
3722 (dbr_schedule): Likewise.
3724 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
3725 (objc.stage2, objc.stage3, objc.stage4): Likewise.
3727 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
3729 * cse.c (simplify_ternary_operation): Don't try to simplify
3730 IF_THEN_ELSE expressions (created by combine) that don't use
3731 relational operators.
3733 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
3735 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
3738 * crtstuff.c (init_dummy): Keep the epilogue in the init
3739 section for non-ELF systems.
3741 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3743 * sh.md (movqi_i+1): New peephole.
3745 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
3747 * Makefile.in: Remove remaining bytecode stuff.
3748 * emit-rtl.c, expr.c: Likewise.
3750 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
3752 * toplev.c (lang_options): Add unknown-pragma options.
3754 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
3756 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
3757 special (and incomplete) handling for Chill arrays.
3759 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
3761 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
3764 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
3766 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
3768 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
3770 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
3771 .frame directive instead of FRAME_POINTER_REGNUM.
3773 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
3775 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
3776 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
3777 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
3778 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
3779 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
3780 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
3781 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3782 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3784 * longlong.h: Replace __mc68332__ with __mcpu32__.
3786 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
3788 * version.c: Bump for snapshot.
3790 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
3792 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
3793 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
3794 * reload1.c (eliminate_regs): Likewise.
3796 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
3798 * regmove.c (find_matches): Initialize matches->earlyclobber too.
3800 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
3802 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
3803 (negsf2, negdf2): Use proper subtract in IEEE mode.
3805 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
3807 * Makefile.in: Remove more bytecode stuff.
3808 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
3809 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
3810 * f/install.texi, objc/Make-lang.in: Likewise.
3812 * Makefile.in: Remove all bytecode support.
3813 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
3814 * emit-rtl.c: Remove all bytecode support.
3815 * expr.c, expr.h function.c, integrate.c: Likewise.
3816 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
3817 * tree.h, varasm.c: Likewise.
3818 * config/m68k/m68k.h: Likewise.
3819 * bi-*, bc-*, bytecode*: Delete bytecode related files.
3820 * modemap.def: Likewise.
3822 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
3824 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
3825 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
3827 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
3829 * i386.md (push): Prohibit symbolic constants if flag_pic.
3830 (movsi+1): Likewise for move to non-register.
3832 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
3834 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
3835 (print_operand): Handle 0xffffffff on 32 bit host.
3837 * configure.in (thread_file): Rename uses before main loop to
3838 target_thread_file. Initialize to empty in main loop. Set thread_file
3839 to target_thread_file after main loop if not set.
3840 * configure: Rebuild.
3842 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
3843 (add_values_to_cover): Revert last change (which had no ChangeLog
3845 (simplify_with_current_value_aux): Handle CONST_INT.
3847 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3849 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
3851 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
3853 * configure.in: Add cpp stringify test.
3854 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
3855 * gengenrtl.c: Use it.
3856 * configure, config.in: Rebuild.
3858 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3860 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
3862 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
3864 * configure.in: Find declaration for sbrk.
3865 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
3866 * config.in, configure: Rebuild.
3867 * mips-tfile.c: Properly protect declaration of sbrk and free.
3868 * toplev.c: Properly protect declaration of sbrk.
3870 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
3872 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
3874 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
3876 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
3878 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
3880 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
3882 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
3884 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
3885 constant offset computations from objects with known alignment in
3886 the presence of STACK_BIAS.
3888 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
3890 (const_hash): Hash val is unsigned long.
3891 (SYMHASH): Likewise.
3893 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
3895 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
3896 char pointer, not HOST_WIDE_INT.
3897 (print_node): Likewise. Also hash is unsigned long not
3900 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
3902 * explow.c (optimize_save_area_alloca): New function for targets
3903 where SETJMP_VIA_SAVE_AREA is true.
3904 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
3905 compute the amount of stack space needed should we find later that
3906 setjmp is never called by this function, stuff rtl for this inside
3907 a REG_NOTE of the final SET of stack_pointer_rtx.
3908 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
3909 current_function_calls_alloca, call optimize_save_area_alloca.
3911 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
3913 * i386.md: Remove redundant integer push patterns.
3914 Don't bother checking for TARGET_PUSH_MEMORY when
3915 pushing constants or registers.
3917 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
3918 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
3920 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
3921 (pwait): New function for mingw32.
3923 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
3924 pipe support is broken for now.
3926 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
3928 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
3929 between frame_pointer_rtx, hard_frame_pointer_rtx, and
3930 arg_pointer_rtx is respected in initialization.
3931 (init_emit_once): Use gen_rtx_raw_REG() to create
3932 return_address_pointer_rtx.
3934 * reorg.c: #include "expr.h" for rtx prototypes.
3935 * Makefile.in (reorg.o): Depend on expr.h
3937 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
3939 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
3940 local_prefix to sub-make invocations.
3942 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
3944 * objc-parse.c: Recognize protocol qualifiers in class definitions.
3946 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
3950 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
3951 * configure.in: Check for atol.
3952 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
3954 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
3956 * loop.c (find_and_verify_loops): When attempting to move insns from
3957 inside the loop outside the loop, create a BARRIER if no suitable
3960 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
3961 favor of an equivalent change from gcc-2.8.
3963 * i386/x-sco5 (CC): Remove trailing whitespace.
3965 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3967 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
3968 (accessor_from_format): Likewise.
3969 (xmalloc): New function for use when linking with alloca.o.
3971 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3973 * frame.c (find_fde): Correct FDE's upper bound.
3975 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
3977 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
3979 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
3981 * calls.c (expand_call): Move #ifdef code out of macro argument
3983 (emit_library_call, emit_library_call_value): Likewise.
3985 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
3987 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
3989 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
3991 * version.c: Bump for snapshot.
3993 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
3995 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
3996 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
3997 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
3998 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
3999 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
4000 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
4001 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
4002 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
4003 * unroll.c, varasm.c: Likewise.
4004 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
4006 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
4008 * mips.h: Fix some type-o's from a previous change.
4010 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
4012 * loop.c (check_dbra_loop): Make sure initial value is a
4013 CONST_INT before trying to normalize it.
4015 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
4017 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
4019 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
4021 * cppexp.c: Include gansidecl.h
4023 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
4025 * svr4.h (LINK_SPEC): Never specify -h.
4026 * ptx4.h (LINK_SPEC): Likewise.
4027 * rs6000/sysv4.h (LINK_SPEC): Likewise.
4028 * sparc/sol2.h (LINK_SPEC): Likewise.
4030 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
4032 * c-typeck.c (comptypes): Exit early on NULL input.
4034 * haifa-sched.c (schedule_insns): Correctly remove inter-block
4035 dependencies after reload.
4037 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
4039 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
4041 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
4043 * alpha/vms.h (DIR_SEPARATOR): define
4045 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4047 * Makefile.in (stamp-proto): Remove.
4048 (protoize.o, unprotoize.o): Straightforward compile.
4049 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
4051 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
4053 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
4054 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
4056 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
4058 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
4059 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
4060 * sparc/netbsd.h, vax/netbsd.h: Likewise.
4062 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
4064 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
4066 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
4068 * configure.in (target_cpu_default, target_cpu_default2): Use double
4069 quotes around them when testing their value.
4070 * configure: Rebuilt.
4072 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
4074 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
4076 (gendef): Call obstack_alloc_rtx.
4078 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
4080 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
4083 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
4085 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
4086 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
4087 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
4089 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
4091 * mips.md (return_internal): Change mode from SImode to VOIDmode.
4093 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
4095 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
4098 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
4100 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
4101 suffix from operand 3.
4103 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4104 Jeffrey A Law (law@cygnus.com)
4106 * regmove.c: New implementation of regmove pass.
4107 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
4108 decls, make them have external linkage. Return a value from
4109 optimize_reg_copy_1.
4110 * reload.h (count_occurrences): Add decl.
4111 * reload1.c (count_occurrences): Delete decl, make it have external
4113 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
4115 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
4117 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
4118 if it is not defined.
4120 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
4122 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
4123 * emit-rtl.c (gen_rtx): Move special code to ...
4124 (gen_rtx_CONST_INT): New function.
4125 (gen_rtx_REG): New function.
4126 (*): Update all calls to gen_rtx.
4127 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
4128 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
4129 (GEN_INT): Call gen_rtx_CONST_INT.
4130 * gengenrtl.c: New file.
4132 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
4134 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
4135 (base_alias_check): If no base found for address call canon_rtx and
4138 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
4140 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
4141 arguments for mips16.
4142 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
4143 Don't lose if tsize is zero after handling large stack for mips16.
4144 * mips.md (return): For trivial return, return address is in $31.
4146 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
4148 * mips/mips16.S: Various changes to make it work with -msingle-float
4151 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
4152 Ian Lance Taylor <ian@cygnus.com>
4153 Jeff Law <law@cygnus.com>
4155 * mips.c, mips.h, mips.md: First cut at merging in mips16
4156 support. Major modifications throughout all three files.
4158 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
4160 * configure.in: Make gthr-default.h a forwarding header instead of
4163 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4165 * gcov-io.h: Include sys/types.h to ensure we get size_t.
4167 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
4169 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
4170 Jeffrey A Law (law@cygnus.com)
4172 * crtstuff.c (__frame_dummy): New function for irix6.
4173 (__do_global_ctors): Call __frame_dummy for irix6.
4174 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
4176 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
4178 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
4180 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
4182 * c-decl.c (init_decl_processing): Provide proper fallback symbol
4183 for __builtin_memset.
4184 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
4185 not INTEGER_CST. Assert arg 3 is a constant.
4187 * alpha.c (mode_width_operand): Accept 64-bit modes.
4188 (mode_mask_operand): Likewise.
4189 (print_operand): Likewise for 'M' and 'U' codes.
4190 (alpha_expand_unaligned_load): New function.
4191 (alpha_expand_unaligned_store): Likewise.
4192 (alpha_expand_unaligned_load_words): Likewise.
4193 (alpha_expand_unaligned_store_words): Likewise.
4194 (alpha_expand_block_move): Likewise.
4195 (alpha_expand_block_clear): Likewise.
4196 * alpha.h (MOVE_RATIO): New define.
4197 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
4198 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
4200 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
4201 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
4203 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
4205 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
4206 * configure: Update.
4208 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
4210 * emit-rtl.c (operand_subword): Correctly handle extracting a word
4211 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
4213 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
4216 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
4218 * configure.in: Set and subsitute host_exeext. Use it when creating
4219 the assembler and linker symlinks.
4220 * configure: Rebuild.
4221 * Makefile.in (exeext): Set to @host_exeext@.
4222 (build_exeext): New variable, set to @build_exeext@.
4223 (FLAGS_TO_PASS): Pass down build_exeext.
4224 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
4227 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
4229 * mn10200.md (addsi3, subsi3): Fix thinkos.
4231 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
4233 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
4234 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
4235 unix always, since we want to be able to thunk to functions in a
4236 shared library from an application.
4238 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
4240 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
4241 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
4243 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
4245 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
4246 offset's mode is not ptr_mode, convert it.
4248 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
4250 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
4251 compiling if it was already defined.
4253 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
4255 * flow.c (find_basic_blocks): Don't create a new basic block
4256 for calls in a LIBCALL block.
4258 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
4260 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
4262 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
4264 * cse.c (rtx_cost): Remove conflicting default case.
4266 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
4268 * configure.in: Move default enabling of Haifa out of for loop.
4269 * configure: Rebuild.
4271 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
4273 * version.c: Bump for snapshot.
4275 1997-12-25 Teemu Torma <tot@trema.com>
4277 * Makefile.in (GTHREAD_FLAGS): New var.
4278 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
4279 (distclean): Remove gthr-default.h.
4281 * configure.in: Accept dce as a thread package.
4282 Check for thread.h and pthread.h.
4283 Link gthr-default.h to appropriate thread file and set
4285 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
4286 include multilib definitions from pa/t-dce-thr.
4287 (sparc-*-solaris2*): Enable threads by default, if thread.h or
4288 pthread.h is found, preferring posix threads over solaris ones.
4290 * config/pa/t-dce-thr: New file.
4291 * config/pa/t-pa: Removed multilibs.
4292 * config/sparc/t-sol2: Ditto.
4295 * gthr-single.h: New file.
4296 * gthr-posix.h: New file.
4297 * gthr-solaris.h: New file.
4298 * gthr-dce.h: New file.
4299 * libgcc-thr.h: Removed.
4300 * objc/thr-dce.c: New file copied from thr-decosf1.c.
4302 * frame.c: Include gthr.h instead of libgcc-thr.h.
4303 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
4304 (eh_context_initialize): If __gthread_once fails, use static eh
4306 (eh_context_free): Call __gthread_key_dtor.
4308 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
4310 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
4312 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
4314 * cse.c (max_insn_uid): New variable.
4315 (cse_around_loop): Use max_insn_uid.
4316 (cse_main): Set max_insn_uid.
4318 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
4319 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
4320 -mlong64, and -mgp{32,64} options.
4321 * mips.c (mips_abi): Change type to int.
4322 * mips.h (enum mips_abi_type): Delete.
4323 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
4324 (mips_abi): Change type to int.
4326 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
4328 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
4329 optimization is now always enabled.
4331 * calls.c (expand_call): Recognize C++ operator new as malloc-like
4334 * alias.c (memrefs_conflict_p): Eliminate tests now done by
4336 (*_dependence): Call canon_rtx before base_alias_check.
4337 (init_alias_once): New function to precompute set of registers which
4338 can hold Pmode function arguments.
4340 * rtl.h: Declare init_alias_once.
4342 * toplev.c (compile_file): Call init_alias_once.
4344 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
4346 * tree.c (restore_tree_status): Do not dereference a null pointer.
4348 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
4350 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
4351 RLIMIT_STACK. This maintains consistency with the recent, similar
4352 patch to cccp.c and toplev.c.
4354 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
4356 * genattrtab.c (expand_units): For large nr opclasses, expand
4357 function_units_used with ORX to prevent blowups. Tag with FFS.
4358 (num_unit_opclasses): New variable.
4359 (gen_unit): Update it.
4360 (enum operator): Add ORX_OP.
4361 (operate_exp): Treat ORX as or, except don't expand across an if.
4362 Reuse number rtx's after operating on them.
4363 (check_attr_value): Accept IOR, AND, & FFS.
4364 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
4365 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
4366 (write_expr_attr_cache, write_toplevel_expr): New functions.
4367 (write_attr_get): Handle FFS-tagged expressions.
4368 (make_canonical): Don't expand const attributes.
4369 (convert_const_symbol_ref): Dike out.
4370 (evaluate_eq_attr): Handle SYMBOL_REF.
4371 (main): Don't emit get_attr_foo for const attributes.
4373 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
4374 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
4375 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
4376 * alpha.md: Redo all of the scheduling, adding EV6 support, and
4377 combining function units where possible.
4378 (attr "type"): Split loads, stores, cmov into int/fp. Combine
4379 multiplies and divides. Add EV6 sqrt, ftoi, itof.
4380 (attr "opsize"): New attribute.
4381 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
4382 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
4383 to control register allocation.
4384 (movsi2-1, movdi2-1): Likewise.
4386 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
4388 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
4389 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
4390 Move OSF/1 specific defines out.
4391 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
4392 Move Linux specific defines out.
4393 (LINK_SPEC): Genericize.
4394 (ASM_FILE_START): Emit .arch if using more than the base insn set.
4395 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
4396 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
4397 (HANDLE_SYSV_PRAGMA): Define.
4398 * alpha/osf.h: New file.
4399 * alpha/linux.h: Split. Retain file-format independant defines.
4400 Import Linux bits from elf.h.
4401 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
4402 (FUNCTION_PROFILER): _mcount takes its address in $28.
4403 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
4404 * alpha/linux-ecoff.h: New file.
4405 * alpha/linux-elf.h: New file.
4406 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
4407 * alpha/win-nt.h (TARGET_DEFAULT): Define.
4408 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
4409 Add new headers as appropriate.
4411 * configure.in (alpha*): Enable Haifa by default.
4412 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
4413 * configure: Rebuild.
4415 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
4417 * Makefile.in (clean): Remove the stages with their objects here ...
4418 (distclean): ... instead of here.
4420 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4422 * cse.c (rtx_cost): Add default case in enumeration switch.
4423 * fix-header.c (recognized_macro): Likewise.
4424 (recognized_extern): Likewise.
4425 (write_rbrac): Likewise.
4426 * objc/objc-act.c (encode_aggregate): Likewise.
4427 (gen_declarator): Likewise.
4428 (gen_declspecs): Likewise.
4430 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
4432 * haifa-sched.c (create_reg_dead_note): Detect and handle another
4433 case where we kill more regs after sched than were killed before
4435 * sched.c (create_reg_dead_note): Similarly.
4437 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
4439 * c-pragma.c: Include flags.h.
4441 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
4443 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
4444 about system headers.
4445 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
4446 and also to resolve symbols in prefix.c.
4448 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
4449 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
4450 when the definitions in auto-config.h is not visible.
4451 (HAVE_BZERO): Likewise.
4452 (HAVE_BCMP): Likewise.
4453 (HAVE_RINDEX): Likewise.
4454 (HAVE_INDEX): Likewise.
4456 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
4458 * pa.c (emit_move_sequence): Handle a function label source
4461 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
4463 * c-pragma.c (handle_pragma_token): Generate warning messages
4464 about unknown pragmas if warn_unknown_pragmas is set.
4466 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
4467 line option to set variable: warn_unknown_pragmas.
4469 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
4471 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
4473 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
4475 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
4477 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
4478 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
4479 generate more fine grained floating point emulation libraries.
4480 * config/fp-bit.c: Add protecting #ifdef to all functions so
4481 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
4482 then compile all suitable functions.
4483 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
4484 underscores to avoid namespace pollution.
4485 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
4487 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
4491 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4492 Jeff Law <law@cygnus.com>
4494 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
4496 * c-decl.c (finish_decl): Use parentheses around && within ||.
4497 * rtl.c: Include stdlib.h.
4498 (read_skip_spaces): Add parentheses around assignments used as
4500 (read_rtx): Initialize list_rtx.
4501 * cppexp.c (parse_number): Use || when operands are truth values.
4502 * alias.c (find_base_value): Add default case.
4503 (memrefs_conflict): Likewise.
4504 * combine.c (sets_function_arg_p): Likewise.
4505 * genemit.c (gen_exp): Likewise.
4506 * local-alloc.c (contains_replace_regs): Likewise.
4507 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
4508 * fold-const.c (fold_convert): Use "&&" for truth values.
4509 (fold): Add default case.
4510 * sdbout.c (sdbout_field_types): Fix typo in declaration.
4511 (sdbout_one_type): Add default case.
4512 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
4513 (some_operand): Add default case.
4514 (input_operand): Likewise.
4515 (signed_comparison_operator): Likewise.
4516 (divmod_operator): Likewise.
4517 (alpha_set_memflags_1): Likewise.
4518 * reload1.c (reload_cse_simplify_operands): Ensure function
4519 always returns a value.
4520 * scan-decls.c (scan_decls): Likewise.
4521 * c-lex.c (skip_white_space): Fix typo in declaraion.
4522 * c-typeck.c (comp_target_types): Add parentheses around assignment
4523 used as truth value.
4524 (print_spelling): Likewise.
4525 (constructor_implicit, constructor_result): Remove unused variables.
4526 * collect2.c (scan_library): Protect prototype with
4527 #ifdef SCAN_LIBRARIES.
4528 * emit-rtl.c (find_line_note): Fix typo in declaration.
4529 * final.c (asm_insn_count): Protect prototype with
4530 #ifdef HAVE_ATTR_length.
4531 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
4532 (try_pre_increment_1, try_pre_increment): Likewise.
4533 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
4534 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
4535 * gcov-io.h (__store_long, __write_long, __read_long): Fix
4536 unsigned/signed comparisons.
4537 * gcov.c (read_files): Remove unused "first_type" variable.
4538 (scan _for_source_files): Initialize s_ptr.
4539 (function_summary): Eliminate "%lf" formatting, use %ld for
4541 (output_data): Initialize branch_probs and last_line_num.
4542 Eliminate "%lf" formatting, use "%ld" for longs.
4544 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
4546 * mips16.S: New file.
4548 * libgcc2.c (varargs): Handle mips16.
4550 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
4552 * stmt.c (expand_end_case): Likewise.
4553 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
4554 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
4555 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
4557 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4559 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
4560 the build directory.
4561 (libobjc.a): Update dependency list.
4562 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
4564 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
4565 (objc.mostlyclean): Remove runtime-info.h.
4567 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
4569 * tree.c (build_range_type): Allow creation of ranges with no maximum.
4570 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
4571 * dwarf2out.c (add_subscript_info): Likewise.
4572 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
4573 * sdbout.c (plain_type_1): Likewise.
4574 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
4576 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
4579 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4581 * mips.c (fatal): Remove declaration.
4583 1997-12-18 Mark Mitchell <mmitchell@usa.net>
4585 * integrate.c (get_label_from_map): New function.
4586 (expand_inline_function): Use it. Initialize the label_map to
4587 NULL_RTX instead of gen_label_rtx.
4588 (copy_rtx_and_substitute): Use get_label_from_map.
4589 * integrate.h (get_label_from_map): New function.
4590 (set_label_from_map): New macro.
4591 * unroll.c (unroll_loop): Use them.
4592 (copy_loop_body): Ditto.
4594 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
4596 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
4597 (INIT_TARGET_OPTABS): Define.
4598 * mips/ecoff.h: Include gofast.h before mips.h.
4599 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
4600 * mips/elf64.h: Likewise.
4601 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
4603 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
4605 * except.c: Remove register_exception_table{,_p}.
4607 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
4609 * unroll.c (calculate_giv_inc): Handle constant increment found in
4610 a MEM with an appropriate REG_EQUAL note.
4612 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
4614 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
4615 frame pointer in the prologue.
4617 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
4619 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
4620 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
4622 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
4624 * config/m68k/m68k.c (output_function_prologue): Typecast
4625 dwarf2out_cfi_label to (char *).
4626 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
4628 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
4630 * sparc.md (jump): Don't use the annul bit around an empty loop.
4631 Patch from Kevin.Kelly@East.Sun.COM.
4633 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
4635 * jump.c: (jump_optimize): Don't use the return register as a
4636 source1 of a conditional move.
4638 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
4640 * sparc.c (DF_MODES): Or the mask not the bit number.
4641 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
4643 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4645 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
4647 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
4649 * fixincludes (size_t): Add support for Motorola's stdlib.h
4650 which fails to provide a definition for size_t.
4651 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
4652 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
4653 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
4655 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
4656 prevent unresolved externals in libio.
4657 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
4659 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
4661 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
4662 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
4663 (LIB_SPEC): Updated for glibc 2.
4665 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
4667 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
4668 * ginclude/varargs.h: Likewise.
4670 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
4672 * version.c: Bump for snapshot.
4674 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
4676 * frame.h (__register_frame, __register_frame_table,
4677 __deregister_frame): New.
4678 * frame.c (__register_frame, __register_frame_table,
4679 __deregister_frame): New.
4680 * frame.c (__deregister_frame_info): Return void *.
4681 * frame.h (__deregister_frame_info): Ditto.
4682 * collect2.c (__deregister_frame_info): Ditto.
4684 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
4686 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
4688 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
4690 * alpha.c (alpha_cpu_name): New variable.
4691 (alpha_mlat_string): Likewise.
4692 (alpha_memory_latency): Likewise.
4693 (override_options): Handle -mmemory-latency.
4694 (alpha_adjust_cost): Adjust load cost for latency.
4695 * alpha.h (TARGET_OPTIONS): Add meory-latency.
4696 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
4697 TARGET_CIX into account.
4698 (MEMORY_MOVE_COST): Define in terms of memory_latency.
4699 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
4701 * alpha.h (ASM_COMMENT_START): New macro.
4703 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
4705 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
4706 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
4708 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
4709 SUBREG_REG if the word count is unchanged.
4710 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
4711 subregs of identical word size for push_reload.
4713 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
4715 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
4716 if all we're doing is dealing with -Wreturn-type.
4718 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
4720 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
4721 Use and 255 instead of zapnot 1, since it schedules better.
4723 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
4725 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
4728 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
4730 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
4731 dependency we delete. Properly update prev for multiple consecutive
4733 (priority): Skip deleted dependence.
4735 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
4737 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
4739 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4741 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
4742 determining when a new basic block starts.
4744 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
4746 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
4747 * pa.md (iorsi3): Add missing args to *_operand calls.
4749 * except.c (call_get_eh_context): Don't mess with sequences.
4750 (emit_eh_context): Include the call in the sequence here.
4752 1997-12-11 Paul Eggert <eggert@twinsun.com>
4754 * collect2.c (write_c_file_glob): Allocate initial frame object
4755 in static storage and pass its address.
4757 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4759 * except.c (call_get_eh_context): Don't take a parm.
4760 Put the call at the top of the function.
4761 (emit_eh_context): Adjust.
4762 (get_eh_context): Replace with former use_eh_context.
4763 (get_eh_context_once, get_saved_pc_ref): Remove.
4764 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
4766 * integrate.c (expand_inline_function): Adjust.
4767 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
4769 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
4771 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
4772 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
4774 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
4776 * fixincludes (strlen,strspn,strcspn return value): Handle different
4778 (hypot): Provide a fake for hypot which is broken on
4779 m88k-motorola-sysv3.
4781 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
4783 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
4784 tree_code_name from pointers to arrays.
4785 * tree.c: Remove standard_tree_code_* variables, no longer used.
4786 * print-tree.c: Remove declaration of tree_code_name.
4788 * cp/lex.c (init_lex): Update for tree_code_* changes.
4789 * objc/objc-act.c (init_objc): Likewise.
4791 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
4794 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
4796 * config.sub: Add support for BeOS target.
4797 * configure.in: Likewise.
4798 * ginclude/stdarg.h: Likewise.
4799 * ginclude/stddef.h: Likewise.
4800 * ginclude/varargs.h: Likewise.
4801 * rs6000/beos.h: New file for BeOS.
4802 * rs6000/t-beos: Likewise.
4803 * rs6000/x-beos: Likewise.
4804 * rs6000/xm-beos.h: Likewise.
4805 * toplev.c (get_run_time): Just return 0 on BeOS.
4807 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
4808 Toon Moene (toon@moene.indiv.nluug.nl)
4810 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
4811 old and broken Sun3 assemblers. Newer versions handle large
4812 offsets correctly as does the GNU assembler.
4814 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4816 * objc/objc-act.c (lang_report_error_function): Disable.
4817 * objc/objc-parse.y: Include "output.h".
4818 (yyerror): Remove redundant decl.
4819 (yyprint): Fix prototype.
4820 (apply_args_register_offset): Remove redundant decl.
4821 (get_file_function_name): Likewise.
4823 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
4825 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
4827 (find_basic_blocks_1): Likewise.
4829 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
4831 * except.c (use_eh_context): Don't copy_rtx a REG.
4832 (emit_throw): Lose old unwinder support.
4833 (expand_internal_throw): Likewise.
4834 * libgcc2.c (struct eh_context): Likewise.
4835 (new_eh_context): Likewise.
4836 (__get_eh_info): Lose redundant cast.
4837 (__get_dynamic_handler_chain): Likewise.
4838 (__get_saved_pc): Lose.
4839 Lose all old unwinder support code.
4841 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
4843 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
4845 * integrate.c (expand_inline_function): If the inline fn uses eh
4846 context, make sure that the current fn has one.
4847 * toplev.c (rest_of_compilation): Call emit_eh_context.
4848 * except.c (use_eh_context): New fn.
4849 (get_eh_context_once): New fn.
4850 (call_get_eh_context): New fn.
4851 (emit_eh_context): New fn.
4852 (get_eh_context): Call either get_eh_context_once or
4853 call_get_eh_context, depending on what we have.
4854 (get_dynamic_handler_chain): Call get_eh_context_once.
4855 * except.h: Prototypes for fns above.
4856 * optabs.c (get_eh_context_libfunc): Removed.
4857 (init_optabs): Don't initialize it.
4858 * expr.h (get_eh_context_libfunc): Removed.
4859 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
4860 * config/pa/pa.h (CPP_SPEC): Support for -threads.
4861 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
4862 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
4863 New multilib for -threads.
4864 * config/sparc/t-sol2: Added multilibs for -threads and
4865 made -pthreads alias to it.
4866 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
4867 Added -threads and -pthreads options.
4868 * libgcc-thr.h: New file.
4869 * libgcc2.c: (__get_cpp_eh_context): Removed.
4870 (struct cpp_eh_context): Removed.
4871 (struct eh_context): Replaced cpp_eh_context with generic language
4873 (__get_eh_info): New function.
4874 (__throw): Check eh_context::info.
4876 * libgcc2.c: Include libgcc-thr.h.
4877 (new_eh_context, __get_eh_context,
4878 eh_pthread_initialize, eh_context_initialize, eh_context_static,
4879 eh_context_specific, eh_context_free): New functions.
4880 (get_eh_context, eh_context_key): New variables.
4881 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
4882 get_eh_context to get the context.
4883 (longjmp): Move the declaration inside
4884 #ifdef DONT_USE_BUILTIN_SETJMP.
4885 * frame.c: Include libgcc-thr.h.
4886 (object_mutex): Mutex to protect the object list.
4887 (find_fde, __register_frame, __register_frame_table,
4888 __deregister_frame): Hold the lock while accessing objects.
4889 * except.h (get_eh_context): Declare.
4890 * except.c (current_function_ehc): Define.
4891 (current_function_dhc, current_function_dcc): Removed.
4892 (get_eh_context): New function.
4893 (get_dynamic_handler_chain): Use get_eh_context.
4894 (get_saved_pc_ref): Ditto.
4895 (get_dynamic_cleanup_chain): Removed references to
4896 current_function_dcc.
4897 (save_eh_status, restore_eh_status): Save and restore
4898 current_function_ehc instead.
4899 * optabs.c (get_eh_context_libfunc): New variable.
4900 (init_optabs): Initialize it.
4901 * expr.h: Declare get_eh_context_libfunc.
4902 * function.h (struct function): Replaced dhc and dcc with ehc.
4903 * except.c (get_saved_pc_ref): New functions.
4904 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
4905 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
4907 (end_eh_unwinder): Likewise.
4908 (init_eh): Remove initialization of eh_saved_pc.
4909 * optabs.c (get_saved_pc_libfunc): New variable.
4910 (init_optabs): Initialize it.
4911 * expr.h: Declare get_saved_pc_libfunc.
4912 * except.h (eh_saved_pc_rtx): Deleted.
4913 (get_saved_pc_ref): Declared.
4915 From Scott Snyder <snyder@d0sgif.fnal.gov>:
4916 * libgcc2.c (__get_saved_pc): New.
4917 (__eh_type, __eh_pc): Deleted.
4918 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
4919 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
4922 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
4924 * sparc/sol2.h: Use 64 bit multiply and divide functions in
4925 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
4928 * rtl.h (global_rtl): New variable, replacing separate variables for
4930 (const_int_rtx): Now array of rtx_def, not rtx.
4931 * emit-rtl.c: Update for new rtl data structures.
4932 * genattrtab.c: Define global_rtl.
4934 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
4936 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
4939 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
4941 * crtstuff.c (__do_global_ctors): Fix typo.
4943 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
4945 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4946 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4948 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
4950 * rs6000.h (FUNCTION_ARG_PADDING): Define.
4951 * rs6000.c (function_arg_padding): New function.
4953 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
4955 * m68k.c: Include tree.h only once.
4957 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4959 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
4961 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
4963 * Partially cleaned up prototyping code from HJ.
4964 * tree.h: Add many prototypes.
4965 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
4966 All references changed.
4967 * rtl.h: Protect from multiple inclusions. Add many prototypes.
4969 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
4971 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
4972 string functions like strlen.
4974 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
4976 * configure.in: Check for functions getrlimit and setrlimit.
4977 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
4978 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
4980 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
4982 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
4984 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
4986 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
4989 * alpha.c (override_options): Don't know about scheduling for EV6.
4990 * alpha.md (ev5 function units): Don't overload as ev6.
4992 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
4993 * alpha.md (define_attr type): Add mvi.
4994 (ev5_e0): Define sceduling parameters for it.
4995 (TARGET_MAX insns): Type is mvi not shift.
4997 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
4999 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
5001 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5003 * cstamp-h, auto-config.h: Delete.
5005 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
5007 * version.c: Bump for snapshot.
5009 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
5011 * cccp.c: Fix typo brought over in merge.
5013 * Merge in changes from gcc-2.8.
5015 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
5017 * m68k.c: Include tree.h for dwarf2out_cfi_label.
5019 * gcc.c (process_command): Do not take address of function fatal when
5020 calling lang_specific_driver.
5022 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
5024 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
5025 doesn't work with it yet, so set it to 0.
5026 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
5028 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5030 * cse.c (cse_insn): Check for invalid entries when taking references.
5032 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5034 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
5035 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
5036 * toplev.c (rest_of_compilation): Pass it. Remove code to
5037 save / clear / restore flag_unroll_{,all_}loops.
5039 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5041 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
5043 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
5045 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
5047 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
5049 * except.c (get_dynamic_handler_chain): Only make the call once per
5052 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
5054 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5056 * sh.c (final_prescan_insn): Use local label prefix
5057 when emitting .uses pseudo-ops.
5059 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5061 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
5062 * except.c: Lose outer_context_label_stack.
5063 (expand_eh_region_end): Rethrow from outer_context here.
5064 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
5065 (expand_internal_throw): Take no args.
5066 (expand_internal_throw_indirect): Lose.
5067 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
5068 (expand_start_all_catch): Start a rethrow region.
5069 (expand_end_all_catch): End it.
5070 (expand_rethrow): New fn.
5071 * except.h: Reflect above changes.
5072 * flow.c: Revert change of Nov 27.
5074 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
5076 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
5078 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5080 * except.c (expand_fixup_region_end): New fn.
5081 (expand_fixup_region_start): Likewise.
5082 (expand_eh_region_start_tree): Store cleanup into finalization here.
5083 * stmt.c (expand_cleanups): Use them to protect fixups.
5085 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
5087 * mips/mips.md (muldi3_r4000): Broaden the output template
5088 and attribute assignments to handle three operand dmult;
5089 rename to muldi3_internal2.
5090 (muldi3): Call the new muldi3_internal2 for R4000, and
5091 any GENERATE_MULT3 chip.
5093 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5095 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
5097 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
5099 * unroll.c (find_splittable_givs): Remove last change. Handle givs
5100 with a dest_reg that was created by loop.
5102 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
5104 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
5106 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
5108 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
5110 * configure.in: Fix NCR entries.
5112 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
5114 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
5115 nested exceptions correctly.
5117 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
5118 that was created by loop.
5120 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5122 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
5124 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
5126 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
5128 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
5129 (print_operand): Use SMALL_DATA_REG for the register involved in
5130 small data relocations.
5131 (print_operand_address): Ditto.
5133 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
5134 -dynamic linker is not used.
5136 * rs6000.md (call insns): For local calls, use @local suffix under
5137 System V. Don't use @plt under Solaris.
5139 * rs6000.c (output_function_profiler): Put label address in r0, and
5140 store LR in 4(sp) for System V/eabi.
5142 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
5143 byte boundary, and maintain stack backchain.
5145 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5147 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5148 fix_truncsfdi2): Change *.
5150 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
5152 * toplev.c (main): Complain about -gdwarfn.
5154 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
5156 * dwarfout.c (output_type): If finalizing, write out nested types
5157 of types we've already written.
5159 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
5161 (patches originally from Geoffrey Keating)
5162 * rs6000.c (function_arg): Excess floating point arguments don't
5163 go into GPR registers after exhausting FP registers under the
5165 (function_arg_partial_nregs): Ditto.
5167 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
5170 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
5172 * integrate.c (output_inline_function): Just unset DECL_INLINE.
5174 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
5176 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
5179 * libgcc2.c (__throw): Initialize HANDLER.
5181 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5183 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5184 fix_truncsfdi2): Change *X to ?*X.
5186 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
5188 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
5190 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
5192 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
5194 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
5196 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
5198 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
5200 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
5201 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
5204 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
5206 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
5207 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
5208 gas and not using the new HP assembler.
5210 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
5212 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
5213 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
5215 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
5217 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
5218 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
5221 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5223 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
5225 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5227 * except.h: Add outer_context_label_stack.
5228 * except.c: Likewise.
5229 (expand_start_all_catch): Push the outer_context for the try block
5230 onto outer_context_label_stack.
5231 (expand_end_all_catch): Use it and pop it.
5233 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
5235 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
5237 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
5239 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
5241 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
5243 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
5244 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5246 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
5248 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
5249 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
5250 __builtin_delete, and __builtin_vec_delete.
5252 * except.c (output_exception_table): Don't bother with
5255 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
5257 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
5258 is an in/out operand.
5259 (zero extended variants of stwm/stwm patterns): Similarly.
5261 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
5263 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
5265 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
5267 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
5268 (output_call_frame_info): Emit a \n after using it.
5270 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
5272 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
5274 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
5276 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
5277 (ASM_OUTPUT_DWARF_VALUE4): New macro.
5278 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
5280 (output_call_frame_info): Do not output forward label differences
5281 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
5282 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
5284 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5286 * sh.md (attribute "type"): Add nil.
5287 (movsi_ie): y/y alternative is type nil.
5288 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
5290 (movsf_ie+1): Delete.
5292 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
5294 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
5295 large_int, emit two insns instead of one splitable insn.
5296 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
5297 from cfa_temp_value, use cfa_offset. Add assert checking that
5300 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
5302 * cccp.c (deps_output): Properly quote file names for make.
5304 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
5306 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
5308 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
5310 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
5312 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
5314 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
5316 (cse_end_of_basic_block): Similarly.
5318 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
5320 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
5321 (SELECT_RTX_SECTION): Define.
5322 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
5324 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
5326 * Makefile.in (compare, compare-lean): Define $stage for each
5328 (gnucompare, gnucompare-lean): Likewise.
5330 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
5332 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
5334 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
5335 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
5337 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
5339 * dwarfout.c (byte_size_attribute): Add local var upper_bound
5340 and add case to handle STRING_TYPE.
5341 * dwarfout.c (output_string_type_die): Fix code to generate
5342 correct string length attribute for fixed length strings.
5343 Still needs support for varying length strings.
5345 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
5347 * toplev.c (get_run_time): Do something sensible for cygwin32.
5349 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
5351 * expr.c (expand_builtin_setjmp): Set
5352 current_function_has_nonlocal_label.
5353 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
5354 call-saved registers across calls.
5356 * alpha.md (exception_receiver): Remove.
5357 (nonlocal_goto_receiver_osf): New
5358 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
5359 (nonlocal_goto_receiver): New, select _osf or _vms.
5361 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
5362 keep them from being propogated to the object file.
5363 (alpha_write_linkage): Likewise.
5364 * alpha.md (call_vms): Likewise.
5365 (call_value_vms): Likewise.
5366 (unnamed osf call insns): Likewise.
5368 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
5369 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5371 * alpha.c (call_operand): Any reg is valid for WinNT.
5372 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
5373 (anon nt calls): Add 'R' alternative.
5374 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
5375 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
5377 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
5379 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
5381 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
5382 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5383 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
5385 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
5387 * reload1.c (new_spill_reg): Improve fixed or forbidden register
5388 spill error message.
5390 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5392 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
5393 use varargs.h. Wrap header with <>, not "".
5395 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
5397 * integrate.c (save_for_inline_copying): Add return value from
5400 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
5402 * fixincludes: Be a little more restrictive on what we will
5403 substitute to replace definitions of MAXINT for HPUX.
5405 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
5407 * dbxout.c (dbxout_symbol_location): Don't assume that variables
5408 whose address is the stack or argument pointers are indirect
5411 1997-11-13 Paul Eggert <eggert@twinsun.com>
5413 * cccp.c, cpplib.c (compare_defs):
5414 Don't complain about arg name respellings unless pedantic.
5415 * cpplib.c (compare_defs): Accept pfile as new arg.
5416 All callers changed.
5418 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5420 * fold-const.c (fold_truthop): Fix bug in last change.
5422 1997-11-13 Paul Eggert <eggert@twinsun.com>
5424 Fix some confusion with IEEE minus zero.
5426 * real.h (REAL_VALUES_IDENTICAL): New macro.
5428 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
5429 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
5431 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
5432 same tree structure as 0.0.
5434 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
5435 macro instead of doing it by hand.
5437 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
5439 * v850/lib1funcs.asm: Minor whitespace changes.
5440 * v850.c: Fix minor formatting problems in many places.
5441 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
5443 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
5445 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
5446 xplus1 when xplus0 is not a register.
5448 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
5450 * flow.c (find_basic_blocks): During marking phase, if we encounter
5451 an insn with a REG_LABEL note, make the target block live and
5452 create an edge from the insn to the target block. Do not make
5453 edges from all blocks to the target block.
5455 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
5457 * confiugre.in: Tweak NCR entries.
5458 * configure: Rebuilt.
5460 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
5462 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
5463 pick apart floating point values, instead of using CONST_DOUBLE_LOW
5464 and CONST_DOUBLE_HIGH.
5466 * rs6000.md (define_splits for DF constants): Use the appropriate
5467 REAL_VALUE_* interface to pick apart DF floating point constants in
5468 a machine independent fashion.
5470 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5472 * fold-const.c (fold_truthop): When changing a one-bit comparison
5473 against zero into a comparison against mask, do a proper sign
5476 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
5478 * except.c: Do not include "assert.h".
5479 (save_eh_status): Turn asserts into conditional aborts.
5480 (restore_eh_status, scan_region): Likewise.
5481 * dwarfout.c: Do not include "assert.h".
5482 (bit_offset_attribute): Turn asserts into conditional aborts.
5483 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
5484 (output_inlined_structure_type_die): Likewise.
5485 (output_inlined_union_type_die): Likewise
5486 (output_tagged_type_instantiation): Likewise.
5487 (dwarfout_file_scope_decl): Likewise.
5488 * dwarf2out.c: Do not include "assert.h"
5489 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
5490 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
5491 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
5492 (add_bit_size_attribute, scope_die_for): Likewise.
5493 (output_pending_types_for_scope): Likewise.
5494 (get_inlined_enumeration_type_die): Likewise.
5495 (get_inlined_structure_type_die): Likewise.
5496 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
5497 (gen_tagged_type_instantiation_die): Likewise.
5499 * flow.c (find_basic_blocks): Refine further to get a more correct
5500 cfg, especially in the presense of exception handling, computed
5501 gotos, and other non-trivial cases. Call abort if an inaccuracy
5502 is detected in the cfg.
5504 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5506 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
5508 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
5509 (skip_white_space): Use whitespace_cr.
5510 (check_newline): Handle whitespace more consistently.
5512 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
5514 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
5515 * i386/xm-cygwin32.h (POSIX): Define.
5517 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
5519 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
5520 is available elsewhere.
5522 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
5524 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
5525 what the instruction can handle.
5527 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
5529 * stmt.c (expand_decl_cleanup_no_eh): New fn.
5531 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
5533 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
5535 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
5536 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
5538 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
5540 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
5541 swap instruction order.
5543 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
5545 * fixinc.svr4 (__STDC__): Add another case.
5547 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5549 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
5550 addresses in the epilogue delay slot.
5552 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
5554 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
5555 in generated `specs' file.
5557 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
5559 * flags.h (flag_rerun_loop_opt): Declare.
5560 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
5561 * toplev.c (flag_rerum_loop_opt): Delete static.
5563 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5565 Bring over from FSF:
5567 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5569 * va-sh.h (__va_arg_sh1): Define.
5571 SH3E doesn't use any integer registers for subsequent arguments
5572 once a non-float value was passed in the stack.
5573 * sh.c (machine_dependent_reorg): If optimizing, put explicit
5574 alignment in front label for ADDR_DIFF_VEC.
5575 * sh.h (PASS_IN_REG_P): Fix SH3E case.
5576 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
5578 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5580 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
5583 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5585 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
5586 put an use_sfunc_addr before each sfunc.
5587 * sh.md (use_sfunc_addr, dummy_jump): New insns.
5588 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
5590 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5592 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
5594 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
5596 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
5599 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
5601 * alias.c (find_base_value): Only return the known base value for
5604 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
5606 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
5607 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
5609 (prologue_get_pc_and_set_got): New pattern.
5611 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
5613 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
5614 for SUBREG, just fall through.
5616 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
5618 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
5620 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
5622 * fixincludes: Fix "hypot" prototype in NeXT math.h.
5624 * Makefile.in (USE_ALLOCA): Always include alloca.o.
5625 (USE_HOST_ALLOCA): Likewise.
5627 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
5628 and LABEL_REFS fields.
5629 * rtl.h (LABEL_REFS): Update.
5631 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
5633 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
5634 sets i2dest. When calling distribute_notes for i3dest_killed, pass
5635 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
5638 * mips.md (insv, extzv, extv): Add change_address call.
5639 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
5641 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
5643 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
5645 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
5646 save_restore_insns if no FP and GP will be restored.
5648 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
5649 Convert CCmode to word_mode before calling GET_MODE_SIZE.
5651 * acconfig.h (HAVE_INTTYPES_H): Undef.
5652 * configure.in (inttypes.h): Check for conflicts between sys/types.h
5653 and inttypes.h, and verify that intmax_t is defined.
5654 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
5655 * config/mips/x-iris3: Likewise.
5657 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
5659 * alias.c (find_base_value): When copying arguments, return the
5660 tenative value for a hard register.
5662 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
5664 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
5665 (yylex): Record wide strings using target endianness, not host.
5667 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
5669 * mn10200.h (ASM_OUTPUT_BSS): Delete.
5670 (ASM_OUTPUT_ALIGNED_BSS): New macro
5671 * mn10300.h (ASM_OUTPUT_BSS): Delete.
5672 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5673 * v850.h (ASM_OUTPUT_BSS): Delete.
5674 (ASM_OUTPUT_ALIGNED_BSS): New macro.
5676 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5678 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
5680 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
5682 * configure.in (sco5): Use cpio to install header files.
5684 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
5686 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
5688 * configure: Rebuild.
5690 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
5692 * i386/sco5.h: enable -gstabs once again.
5694 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
5696 * arm.c (output_move_double): Allocate 3 entries in otherops array.
5698 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
5700 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
5701 notes for sjlj exceptions too.
5702 (expand_eh_region_end): Similarly for EH_REGION_END notes.
5703 (exception_optimize): Optimize EH regions for sjlj exceptions too.
5704 * final.c (final_scan_insn): Don't output labels for EH REGION
5705 notes if doing sjlj exceptions.
5707 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
5709 * alias.c (init_alias_analysis): Handle -fno-alias-check when
5710 optimizing correctly.
5712 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
5713 or set current_function_calls_setjmp anymore.
5715 * flow.c (find_basic_blocks): If we delete the label for an
5716 exception handler, remove it from the EH label list and remove
5717 the EH_BEGIN/EH_END notes for that EH region.
5719 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
5721 * flow.c (find_basic_blocks): Generate correct flow control
5722 information when exception handling notes are present.
5724 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
5726 * dwarf2out.c (output_call_frame_info): Fix length argument
5727 to ASM_OUTPUT_ASCII.
5728 (output_die, output_pubnames, output_line_info): Likewise.
5730 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
5732 * version.c: Bump for snapshot.
5734 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
5735 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
5736 flag_debug_asm is on.
5737 (output_die, output_pubnames, output_line_info): Likewise.
5739 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
5740 and static_chain_rtx into the potential base values array if
5743 * alias.c (new_reg_base_value): New array of potential base values.
5744 (unique_id): Now file scoped static.
5745 (find_base_value, case REG): Return the value in reg_base_value
5746 array for the REG if it exists. Else, return the value from
5747 new_reg_base_value if copying args and REG is a hard register.
5748 (find_base_value, case PLUS): If either operand of the PLUS is
5749 a REG, try to get its base value. Handle base + index and
5751 (record_set): Use new_reg_base_value instead of reg_base_value.
5752 (init_alias_analysis): Allocate space for new_reg_base_value too.
5753 Rework code to iterate over the insns propagating base value
5754 information until nothing changes.
5756 * global.c (global_alloc): Free the conflict matrix after
5757 reload has finished.
5759 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
5761 * libgcc2.c (L_eh): Define __eh_pc.
5762 Replace __eh_type with generic pointer __eh_info.
5764 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
5766 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
5767 use copy_to_reg if address is not a general_operand.
5769 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5771 * profile.c (output_func_start_profiler): Clear flag_inline_functions
5772 for the duration of the call to rest_of_compilation.
5774 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
5776 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
5778 (sparc*-*-*): Recognize --with-cpu=v9.
5779 * sparc/elf.h: New file.
5780 * sparc/t-elf: New file.
5782 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
5784 * mn10300.c (const_8bit_operand): New function.
5785 (mask_ok_for_mem_btst): New funtion.
5786 * mn10300.md (btst patterns with mem operands): Use new functions
5787 to avoid creating btst instructions with invalid operands.
5789 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
5791 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
5792 are running on PowerPC Linux.
5794 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
5796 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
5797 if not previously defined.
5799 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
5801 * function.c (assign_parms): Correct mode of stack_parm if
5802 entry_parm underwent a mode conversion.
5804 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
5806 * global.c (global_alloc): Use xmalloc instead of alloca for
5807 CONFLICTS, since max_allocno * allocno_row_words alone can be more
5808 than 2.5Mb sometimes.
5810 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
5812 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
5813 DEST for the spill, adjust mode of SRC to compensate.
5815 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
5817 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
5818 since any_memory_operand() allows pseudos during reload.
5819 (reload_inhi, reload_outqi, reload_outhi): Likewise.
5821 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
5823 * m68k.md (btst patterns): Add 5200 support.
5825 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5827 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
5828 optimizations, look inside dividend to determine if the expression
5829 can be simplified by using EXACT_DIV_EXPR.
5831 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
5834 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
5836 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
5838 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
5840 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
5842 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
5845 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
5847 * alpha.md (movqi, movhi): Make sure new insns created during reload
5848 won't need reloading themselves.
5849 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
5851 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
5853 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
5855 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
5857 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
5858 Patch from Klaus Kaempf <kkaempf@progis.de>.
5860 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
5862 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
5863 to an element in a constant string.
5865 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
5867 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
5868 bit PC-relative offset. The exception range table pointer is now in
5870 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
5871 (count_fdes, add_fdes, get_cie): Adjust.
5872 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
5875 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
5877 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
5879 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
5880 like stack_pointer_rtx.
5882 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
5884 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
5885 targets using "$@" to provide support for similar but not identical
5886 targets without having to duplicate code.
5887 (bootstrap4): New goal.
5889 * Makefile.in (compare, compare-lean, compare3): Combined to one
5890 ruleset determining actions to be performed via $@.
5891 (compare4, compare4-lean): New targets.
5892 (gnucompare, gnucompare3): Combined to one ruleset determining
5893 actions to be performed via $@. Also, note which files failed
5894 the comparison test in .bad_compare.
5895 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
5897 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
5899 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
5900 if the dividend is a multiple of the divisor.
5902 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
5904 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
5906 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
5909 * alias.c (true_dependence): Fix typo.
5911 * toplev.c (flag_rerun_loop_opt): New variable.
5912 (f_options): Handle -frerun-loop-opt.
5913 (rest_of_compilation): If -frerun-loop-opt, then run the loop
5915 (main): Enable -frerun-loop-opt by default for -O2 or greater.
5917 * loop.c (simplify_giv_expr): Adding two invariants results
5920 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
5922 * expr.c (get_inner_reference): Remove the array bias after
5923 converting the index to Pmode.
5925 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
5927 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
5928 (TARGET_MULT_BUG): Define.
5929 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
5930 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
5932 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
5934 * mn10200.c (indirect_memory_operand): Delete unused function.
5935 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
5936 * mn10200.md (bset, bclr insns): Handle output in a reg too.
5938 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
5940 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
5941 the callee's ldgp, we must do it ourselves, and we use the jsr tag
5942 for more than scheduling.
5944 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
5946 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
5948 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
5950 * mn10300.c (symbolic_operand, legitimize_address): New functions.
5951 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
5952 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
5954 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
5956 * version.c: Bump for snapshot.
5958 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5960 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
5963 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
5965 * toplev.c (flag_exceptions): Default value is 2.
5966 (compile_file): If flag_exceptions still has the value 2, then
5969 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
5970 (rs6000_save_machine_status): Save pic_offset_table_rtx.
5971 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
5973 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
5976 * rs6000.md (*movsi_got_internal_mem): New pattern.
5977 (*movsi_got_internal_mem splitter): New define_split.
5979 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
5981 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
5983 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
5985 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
5986 only need to save LR.
5988 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
5990 * mn10300.md (movqi, movhi): Avoid using address registers as
5991 destinations unless absolutely necessary.
5993 * mn10200.c (expand_prologue): Fix typo.
5995 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
5997 * mn10200.md (neghi2): Provide an alternative which works if
5998 the input and output register are the same.
6000 * mn10300.c (print_operand): Handle 'S'.
6001 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
6002 shift amount in last alternative
6004 * mn10300.c (expand_epilogue): Rework to handle register restores
6005 in "ret" and "retf" instructions correctly.
6007 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
6009 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
6010 extzv for memory operands.
6012 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
6013 redundant conditional moves to single operand.
6015 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
6017 * v850.h: Move define of __v850__ from CPP_PREDEFINES
6020 * xm-v850.h: Use __v850 rather than __v850__ to
6023 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
6025 * mips/mips.c (compute_frame_size): Not a leaf function if
6028 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
6030 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
6032 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
6034 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
6035 (DEFAULT_ARCH32_P): New macro.
6036 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
6037 (enum cmodel): Declare.
6038 (sparc_cmodel_string,sparc_cmodel): Declare.
6039 (SPARC_DEFAULT_CMODEL): Provide default.
6040 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
6041 (TARGET_FULLANY): Deleted.
6042 (TARGET_CM_MEDMID): New macro.
6043 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
6044 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
6045 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
6046 (CPP_SPEC): Rewrite.
6047 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
6048 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
6049 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
6050 (ASM_SPEC): Add %(asm_arch).
6051 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
6052 Rename asm_default to asm_cpu_default.
6053 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
6054 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
6055 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
6056 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
6057 (MASK_INT64,MASK_LONG64): Delete.
6058 (MASK_ARCH64): Renamed to MASK_64BIT.
6059 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
6060 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
6061 (TARGET_SWITCHES): Always provide 64 bit options.
6062 (ARCH64_SWITCHES): Delete.
6063 (TARGET_OPTIONS): New option -mcmodel=.
6064 (INT_TYPE_SIZE): Always 32.
6065 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
6066 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
6067 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
6068 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
6069 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
6071 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6072 * sparc/linux.h: Likewise.
6073 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
6074 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
6075 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
6076 (SPARC_DEFAULT_CMODEL): Define.
6077 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6078 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6079 (LONG_DOUBLE_TYPE_SIZE): Define.
6080 (ASM_SPEC): Add %(asm_arch).
6081 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6082 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6083 (TARGET_CPU_DEFAULT): Add ultrasparc case.
6084 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
6085 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
6086 (SPARC_DEFAULT_CMODEL): Define.
6087 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
6088 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
6089 MASK_LONG64, MASK_MEDANY.
6090 (SPARC_DEFAULT_CMODEL): Define.
6091 (CPP_PREDEFINES): Delete.
6092 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6093 (ASM_SPEC): Add %(asm_arch).
6094 (LONG_DOUBLE_TYPE_SIZE): Define.
6095 (DWARF2_DEBUGGING_INFO): Define.
6096 * sparc/splet.h (CPP_SPEC): Delete.
6097 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6098 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
6099 (BLOCK_PROFILER): Likewise.
6100 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
6101 (sparc_override_options): Handle code model selection.
6102 (sparc_init_expanders): Renamed from sparc64_init_expanders.
6103 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
6104 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
6105 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
6106 (sethi_di_fullany): Delete.
6108 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
6109 Jeff Law <law@cygnus.com>
6110 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6112 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
6113 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
6114 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
6115 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
6116 * alpha/alpha.md (arg_home): Likewise.
6118 * alpha/alpha.c (vmskrunch): Delete
6119 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
6120 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
6121 truncate to 64 characters.
6123 * make-l2.com: Support openVMS/Alpha.
6125 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
6127 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6129 * longlong.h (count_leading_zeros): Add missing casts to USItype.
6131 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
6133 * i386/bsd386.h (ASM_COMMENT_START): Define.
6135 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
6137 * tree.c (restore_tree_status): Also free up temporary storage
6138 when we finish a toplevel function.
6139 (dump_tree_statistics): Print stats for backend obstacks.
6141 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
6143 * expr.c (use_group_regs): Don't call use_reg for MEMs.
6145 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
6147 * libgcc2.c (__throw): Don't copy the return address.
6148 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
6150 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
6151 * toplev.c (main): Initialize exceptions_via_longjmp.
6153 * tree.c: Add extra_inline_obstacks.
6154 (save_tree_status): Use it.
6155 (restore_tree_status): If this is a toplevel inline obstack and we
6156 didn't want to save anything on it, recycle it.
6157 (print_inline_obstack_statistics): New fn.
6158 * function.c (pop_function_context_from): Pass context to
6159 restore_tree_status.
6160 * obstack.h (obstack_empty_p): New macro.
6162 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
6164 * i386/freebsd.h (ASM_COMMENT_START): Fix.
6166 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
6168 * v850.c (ep_memory_offset): New function.
6169 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
6171 * v850.h (CONST_OK_FOR_*): Add and correct comments.
6172 (CONSTANT_ADDRESS_P): Add comment.
6173 (EXTRA_CONSTRAINT): Define 'U'.
6174 * v850.md: Add comments on bit field instructions.
6175 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
6176 (lshrsi3): Use N not J constraint.
6178 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
6180 * v850.c (reg_or_0_operand): Call register_operand.
6181 (reg_or_int5_operand): Likewise.
6182 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
6183 (TARGET_SWITCHES): Add "big-switch".
6184 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
6185 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
6186 (CASE_DROPS_THROUGH): Comment out.
6187 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
6188 * v850.md (cmpsi): Delete compare mode.
6189 (casesi): New pattern.
6191 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
6192 * v850.md (ashlsi3): Use SImode not QImode for shift count.
6193 (lshrsi3): Likewise.
6195 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
6196 unreachable switch statement after 'b' support. Remove "b" from
6197 strings for 'b' support.
6198 * v850.md (branch_normal, branch_invert): Change %b to b%b.
6200 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
6202 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
6203 empty line if @inhibit_libc@ is empty.
6205 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
6207 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
6208 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
6209 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6210 (DWARF2_UNWIND_INFO): Let this track object file format.
6211 (EXTRA_SECTIONS): Add in_eh.
6212 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
6213 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
6215 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6217 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
6218 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
6220 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
6221 (output_double_int): Output DI mode values correctly when
6222 HOST_BITS_PER_WIDE_INT is 64.
6223 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
6224 fmovd so it works if a quad float ends up in one of the upper 32
6226 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
6227 necessary for PIC support on sparc64.
6229 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
6231 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
6232 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
6233 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
6234 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
6235 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
6236 (SPARC_FP_ARG_FIRST): New macro.
6237 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
6238 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
6239 (NPARM_REGS): There are 32 fp argument registers now.
6240 (FUNCTION_ARG_REGNO_P): Likewise.
6241 (FIRST_PARM_OFFSET): Update to new v9 abi.
6242 (REG_PARM_STACK_SPACE): Define for arch64.
6243 (enum sparc_arg_class): Delete.
6244 (sparc_arg_count,sparc_n_named_args): Delete.
6245 (struct sparc_args): Redefine and use for arch32 as well as arch64.
6246 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
6247 (FUNCTION_ARG_ADVANCE): Rewrite.
6248 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
6249 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
6250 (FUNCTION_ARG_CALLEE_COPIES): Delete.
6251 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
6252 (STRICT_ARGUMENT_NAMING): Define.
6253 (doublemove_string): Declare.
6254 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
6255 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
6256 (doublemove_string): New function.
6257 (output_move_quad): Clean up some of the arch64 support.
6258 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
6259 Don't add 8 bytes of reserved space if arch64.
6260 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
6261 (init_cumulative_args): New function.
6262 (function_arg_slotno): New static function.
6263 (function_arg,function_arg_partial_nregs): New functions.
6264 (function_arg_{pass_by_reference,advance}): New functions.
6265 (function_arg_padding): New function.
6266 * ginclude/va-sparc.h: Rewrite v9 support.
6268 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
6270 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
6271 for hard regs to determine base and index registers.
6273 * reload.c (debug_reload_to_stream): New function. Specify stream
6274 into which to write debug info.
6275 (debug_reload): Modify to call debug_reload_to_stream with stderr.
6277 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
6279 * combine.c (can_combine_p): Don't combine with an asm whose
6280 output is a hard register.
6282 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
6284 * c-decl.c (start_struct): Ensure that structs with forward
6285 declarations are in fact packed when -fpack-struct is given.
6287 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
6288 we are packing a structure. This allows a structure with only
6289 bytes to be aligned on a byte boundary and have no padding on a
6292 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6294 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
6296 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
6298 * alpha.c (alpha_return_addr_rtx): New variable.
6299 (alpha_save_machine_status): New; save it.
6300 (alpha_restore_machine_status): New; restore it.
6301 (alpha_init_expanders): New; clear it.
6302 (alpha_return_addr): New; set it.
6303 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
6304 is overly conservative, so search the insns explicitly.
6305 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
6306 (alpha_sa_size [VMS && !VMS]): Likewise.
6307 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
6308 (INIT_EXPANDERS): New definition.
6310 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
6311 (output_prolog [!VMS]): Use them.
6313 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
6314 (alpha_does_function_need_gp): ... a new function. Refine the
6315 CALL_INSN test to just TYPE_JSR.
6316 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
6318 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
6320 * version.c: Bump for snapshot.
6322 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6324 * pa.c (move_operand): Respect -mdisable-indexing.
6325 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
6327 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
6329 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
6331 (umulsidi3,umulsi3_highpart): Ditto.
6332 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
6334 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
6336 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
6337 (alpha_handle_trap_shadows): ... a new function. Handle the entire
6338 function in one go. Emit RTL for trapb, instead of printf directly.
6339 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
6340 (trap_pending): Kill global variable.
6341 (output_epilog): Don't call final_prescan_insn.
6342 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
6343 * alpha.h (FINAL_PRESCAN_INSN): Remove.
6344 (MACHINE_DEPENENT_REORG): Define.
6345 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
6348 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
6350 Tune Haifa scheduler for Alpha:
6351 * alpha.h (ISSUE_RATE): Define.
6352 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
6353 EV4 adjustments to EV5.
6354 * alpha.md: Remove all scaling from function unit delays. Rework
6355 EV5 function units to match the CPU.
6356 (umuldi3_highpart): EV5 added the IMULH insn class.
6358 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
6360 * pa.c (following_call): Fail if the CALL_INSN is an indirect
6363 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
6365 * cplus-dem.c (demangle_signature): Don't look for return types on
6366 constructors. Handle member template constructors.
6368 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
6370 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
6371 * tree.h: Declare them.
6373 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
6375 * configure.in: Handle --with-newlib.
6376 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
6378 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
6380 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
6382 * config/ptx4.h: Fix typo.
6384 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
6386 * version.c: Bump for snapshot.
6388 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
6390 * aclocal.m4: Substitute INSTALL.
6391 * configure: Re-built.
6393 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
6395 * integrate.c (save_for_inline_copying): Avoid undefined pointer
6397 (expand_inline_function): Likewise.
6399 * dwarf2out.c (output_call_frame_info): Reinstate last change
6400 using flag_debug_asm check instead of flag_verbose_asm.
6402 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
6404 * dwarf2out.c (output_call_frame_info): Remove last change.
6406 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6408 * frame.c (__frame_state_for): Execute the FDE insns until the
6409 current pc value is strictly bigger than the target pc value.
6411 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
6413 * regclass.c (init_reg_modes): If we can't find a mode for the
6414 register, use the previous one.
6416 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
6418 * haifa-sched.c (print_block_visualization): Call fprintf directly,
6419 don't sprintf through an alloca'ed buffer.
6421 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
6423 * reload.c (decompose): Always initialize val.base.
6425 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6427 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
6428 instead of aborting.
6429 * dwarf2out.c (output_call_frame_info): Call app_enable and
6430 app_disable to let GNU as accept the generated comments.
6432 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
6434 * tree.h (get_file_function_name): Add declaration.
6435 * dwarf2out.c (output_call_frame_info): No need to cast
6436 get_file_function_name call anymore.
6437 * profile.c (toplevel): Remove get_file_function_name
6439 * c-lang.c (finish_file): Ditto.
6441 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
6443 * Makefile.in (program_transform_name): Let autoconf substitute
6446 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
6448 * haifa-sched.c (schedule_block): If the first real insn in a
6449 block has any special notes attached to it, remove them.
6451 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
6453 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
6455 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
6457 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
6459 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
6461 * Makefile.in (check-g77): New test target.
6462 (CHECK-TARGETS): Add check-g77.
6464 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6466 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
6468 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
6470 * flow.c (print_rtl_with_bb): Cast alloca return value for
6473 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
6475 * i386.h (RETURN_ADDR_RTX): New definition that works for
6476 __builtin_return_address(0) and -fomit-frame-pointer.
6478 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
6480 Bring over from FSF.
6481 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
6483 * mips.c (function_arg): Handle passing a struct
6484 containing a double in a DFmode register without the PARALLEL.
6486 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
6488 * pexecute.c: Use spawn if __CYGWIN32__.
6490 * pexecute.c: Include "config.h" first, as per autoconf manual
6491 (from Paul Eggert <eggert@twinsun.com>).
6493 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6495 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
6496 optimisation for f/expr.o and f/stb.o.
6498 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
6500 * cse.c (this_insn_cc0_mode): Initialize.
6502 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
6504 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
6506 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
6508 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
6510 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
6511 that pair will dual-issue on the 21164 and plus+beq won't.
6512 (bne): Likewise for cmpeq+beq.
6514 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
6516 * except.c (find_exception_handler_labels): Correct argument to free.
6518 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
6520 * except.c (find_exception_handler_labels): Free LABELS when we're
6523 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
6525 * version.c: Bump for snapshot.
6527 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6529 * flow.c (find_basic_blocks): Mark calls as potentially jumping
6532 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
6534 * configure.in: Substitute for "install" too.
6535 * configure: Rebuilt.
6537 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
6539 * Makefile.in (bootstrap-lean, compare-lean): New targets.
6541 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
6543 * alias.c (base_alias_check): Two symbols can conflict if they
6544 are accessed via AND.
6545 (memrefs_conflict_p): Likewise.
6547 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
6548 after flushing argument registers to the stack.
6550 * Makefile.in (mostlyclean): Remove .regmove files.
6552 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6554 * libgcc2.c (__throw): Fix thinko.
6556 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
6558 * cplus-dem.c (demangle_template): Add new parameter. Handle new
6559 template-function mangling.
6560 (consume_count_with_underscores): New function.
6561 (demangle_signature): Handle new name-mangling scheme.
6563 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6565 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
6568 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
6570 * frame.c: Remove last change.
6571 * dwarf2.h: Remove last change.
6572 * tree.h: Add declarations of DWARF2 unwind info support
6575 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6577 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
6578 * tree.h (built_in_function): Likewise.
6579 * expr.c (expand_builtin): Likewise.
6580 * except.h: Likewise.
6581 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
6582 * libgcc2.c (copy_reg): New fn.
6585 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
6587 * c-typeck.c (build_binary_op): Warn about comparing signed vs
6588 unsigned if -W is specified and -Wno-sign-compare is not.
6589 * c-decl.c (warn_sign_compare): Initialize to -1.
6590 (c_decode_option): -Wall no longer implies -Wsign-compare.
6592 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6594 * frame.c: Include gansidecl.h for PROTO.
6595 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
6596 defined. Don't declare dwarf2out_cfi_label here.
6597 * dwarf2.h: Add declarations of DWARF2 unwind info support
6599 * m68k.c: Include dwarf2.h.
6600 (output_function_prologue): Add dwarf2 support.
6601 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
6602 (INCOMING_FRAME_SP_OFFSET): Likewise.
6604 * integrate.c (expand_inline_function): Make sure there is at
6605 least one insn that can be used as an insertion point.
6607 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6609 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
6611 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
6613 * version.c: Bump for snapshot.
6615 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
6617 Bring over from FSF.
6619 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
6621 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
6622 (get_pc_via_rdpc): Renamed from get_pc_sp64.
6623 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
6625 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
6627 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
6628 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
6630 (sparc_align_{loops,jumps,funcs}_string): Declare.
6631 (sparc_align_{loops,jumps,funcs}): Declare.
6632 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
6633 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
6634 (STACK_BIAS): Define.
6635 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
6637 (SPARC_SETHI_P): New macro.
6638 (CONST_OK_FOR_LETTER_P): Use it.
6639 (ASM_OUTPUT_ALIGN_CODE): Define.
6640 (ASM_OUTPUT_LOOP_ALIGN): Define.
6641 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
6642 (sparc_align_{loops,jumps,funcs}): New globals.
6643 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
6645 (move_operand): Use SPARC_SETHI_P.
6646 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
6648 (arith11_double_operand): Likewise.
6649 (arith10_double_operand): Likewise.
6650 (finalize_pic): Finish sparc64 support.
6651 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
6652 64 bit constants if able.
6653 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
6654 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
6656 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
6657 (get_pc_sp32): Use for sparc64 as well.
6658 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
6659 (sethi_di_sp64_const): Likewise.
6660 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
6661 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
6662 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
6664 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
6666 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
6667 * sparc/linux.h (COMMENT_BEGIN): Likewise.
6668 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
6670 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
6672 Add sparc64 linux support.
6673 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
6674 to xm_file list on 32-bit sparc-linux.
6675 * sparc/xm-sp64.h: New file.
6676 * sparc/linux64.h: New file.
6677 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
6678 Don't include xm-sparc.h.
6679 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
6680 * glimits.h (LONG_MAX): Handle sparc64.
6682 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
6684 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
6685 * sparc.h (ASM_COMMENT_START): Define.
6686 * sparc.c (output_function_prologue): Use it.
6687 (sparc_flat_output_function_{epi,pro}logue): Likewise.
6689 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
6691 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
6692 use sparc.h's copies.
6693 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
6696 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6698 * sparc.c (dwarf2out_cfi_label): Add declaration.
6699 (save_regs, output_function_prologue): Remove cast for it.
6700 (sparc_flat_{save_restore,output_function_prologue): Likewise.
6701 ({save,restore}_regs): No longer inline.
6703 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6705 * fold-const.c (make_range): Correctly handle cases of converting
6706 from unsigned to signed type.
6708 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6710 * fold-const.c (merge_ranges): Make sure that if one range is subset
6711 of another, it will always be the second range. Correct (+,-) case to
6714 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
6716 * final.c (final_end_function): Also do dwarf2 thing if
6717 DWARF2_DEBUGGING_INFO.
6718 (final_start_function): Likewise.
6720 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
6722 * expmed.c (expand_divmod): If compute_mode is not the same as
6723 mode, handle the case where convert_modes() causes op1 to no
6724 longer be a CONST_INT.
6726 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
6727 note holding get_jump_flags() calculation to all JUMP_INSNs.
6728 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
6729 * rtl.c (reg_note_name): Add new note types.
6731 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
6733 * rtlanal.c (computed_jump_p): Fix typo in last change.
6735 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6737 * loop.c (indirect_jump_in_function_p): Return 0
6740 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
6742 * rs6000/xm-rs6000.h: Fix thinko in last change.
6743 * rs6000/xm-sysv4.h: Likewise.
6745 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
6747 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
6749 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
6751 * reg-stack.c (find_blocks): Fix thinko in last change.
6753 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6755 * m68k.c (output_function_prologue): Add dwarf2 support.
6757 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
6758 INCOMING_FRAME_SP_OFFSET): New definitions.
6760 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
6762 * combine.c (try_combine): Use NULL_RTX instead of '0' where
6763 appropriate in calls to gen_rtx().
6764 * cse.c (cse_main): Likewise.
6765 * emit-rtl.c (gen_label_rtx): Likewise.
6766 * expr.c (init_expr_once): Likewise.
6767 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
6768 sched_analyze, init_rgn_data_dependences,
6769 compute_block_backward_dependences): Likewise.
6770 * sched.c (schedule_insns): Likewise.
6771 * varasm.c (immed_double_const): Likewise.
6773 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
6774 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
6776 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
6778 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
6779 (MULTILIB_DEFAULTS): Define.
6780 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
6781 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
6782 (LIBGCC_SPEC): Likewise.
6783 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
6784 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
6785 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
6786 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
6787 (EXTRA_PARTS, TAROUTOPTS): Delete.
6788 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
6789 (MULTILIB_OPTIONS): Define.
6790 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
6791 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
6793 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
6795 * version.c: Bump for snapshot.
6797 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
6799 * loop.c (loop_number): Delete function. Change all references
6800 to use uid_loop_num array.
6801 * loop.h (loop_number): Delete declaration.
6802 * unroll.c (unroll_loop): Change "loop_number" references to
6803 use uid_loop_num instead.
6805 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
6807 (loop_unroll_iter): Remove unused variable and all references.
6808 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
6809 (insert_bct): Fix minor formatting problems.
6810 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
6811 (loop_unroll_iter): Removed unused decl.
6812 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
6813 Always record the unrolling factor.
6815 * cse.c (simplify_relational_operation): Set h0u just like h0s.
6816 Similarly for h1u and h1s.
6818 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
6819 (find_basic_blocks): Use computed_jump_p to determine if a
6820 particular JUMP_INSN is a computed jump.
6821 * reg-stack.c (find_blocks): Use computed_jump_p to determine
6822 if a particular JUMP_INSN is a computed jump.
6823 * rtlanal.c (jmp_uses_reg_or_mem): New function.
6824 (computed_jump_p): Likewise.
6825 * rtl.h (computed_jump_p): Declare.
6826 * genattrtab.c (pc_rtx): Define and initialize.
6827 * loop.c (loop_optimize): Always determine if the current
6828 function has a computed jump.
6829 (indirect_jump_in_function_p): Use computed_jump_p to determine
6830 if a particular JUMP_INSN is a computed jump.
6832 * loop.c (fix_bct_param): Delete unused function.
6833 (check_bct_param): Likewise.
6835 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
6837 * frame.c (__deregister_frame): Check properly for initialized object.
6839 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6841 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
6843 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6845 * jump.c (thread_jumps): check can_reverse_comparison_p before
6846 threading a reversed-condition jump.
6848 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
6849 * haifa-sched.c (update_flow_info): Likewise.
6851 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
6853 * Makefile.in (BOOT_CFLAGS): Use -O2.
6855 * configure.in (strtoul, bsearch): Have autoconf check for these
6857 * configure, config.in: Rebuilt.
6859 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
6860 * mips/mips.h (alloca): Likewise.
6861 * rs6000/xm-rs6000.h (alloca): Likewise.
6862 * rs6000/xm-sysv4.h: Likewise.
6864 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
6866 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
6867 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
6868 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
6870 * except.c (end_eh_unwinder): Subtract 1 from return address.
6871 * libgcc2.c (__throw): Likewise.
6872 (find_exception_handler): Don't change PC here. Compare end with >.
6874 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
6876 * v850.c (compute_register_save_size): Correct register
6878 * v850.md (save_interrupt, return_interrupt): Correct
6880 * v850/lib1funcs.asm (save_interrupt): Correct register number.
6881 (return_interrupt): Use stack pointer, not element pointer.
6883 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
6885 * configure.in, configure: Make sure to create the stage* and include
6886 symbolic links in each subdirectory.
6888 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
6890 * pa.md (reload_peepholes): Don't allow addresses with side
6891 effects for the memory operand.
6893 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6895 * libgcc2.c (find_exception_handler): Subtract one from our PC when
6896 looking for a handler, to avoid hitting the beginning of the next
6899 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
6901 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
6903 * mips/abi64.h (LONG_MAX_SPEC): Define.
6904 * mips.h (LONG_MAX_SPEC): Define.
6905 (CPP_SPEC): Include long_max_spec.
6906 (EXTRA_SPECS): Include long_max_spec.
6908 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
6910 * v850.c (construct_save_jarl): Fix thinko in last change.
6912 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
6914 * version.c: Bump for snapshot.
6916 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
6918 * libgcc2.c (find_exception_handler): Not found is -1.
6920 * integrate.c (expand_inline_function): Move expand_start_bindings
6921 after expanding the arguments.
6923 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
6925 * expr.c (expand_expr): Remove previous incorrect change.
6926 If target and slot has no DECL_RTL, then call mark_addressable
6927 again for the slot after we give it RTL.
6929 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
6931 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6932 again for the slot after we give it RTL.
6934 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
6936 * v850.c (register_is_ok_for_epilogue,
6937 pattern_is_ok_for_epilogue, construct_restore_jr,
6938 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
6940 * v850.h (pattern_is_ok_for_prologue,
6941 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
6944 * v850.md: Replace prologue and epilogue patterns with a
6945 match_parallel pattern.
6947 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
6949 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
6950 * configure.in: Use EGCS_PROG_INSTALL.
6952 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
6954 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
6955 extern inline function.
6957 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
6959 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
6960 (concat_loc_descriptor): New function.
6961 (loc_descriptor): Call it.
6962 (add_AT_location_description): Also elide the descriptor if both
6963 halves of a CONCAT are pseudos.
6964 (add_location_or_const_value_attribute): Recognize CONCAT too.
6966 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
6968 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
6970 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
6971 out-or-range reg_offset.
6972 (output_epilog): Likewise.
6974 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
6976 * cse.c (simplify_relational_operation): If MODE specifies a
6977 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
6978 is derived from the sign bit of the low word.
6980 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6982 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
6984 * dwarf2.h: Add DW_CFA_GNU_args_size.
6985 * frame.c (execute_cfa_insn): Likewise.
6986 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
6987 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
6988 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
6989 insn, hand it off to dwarf2out_stack_adjust.
6990 (dwarf2out_begin_prologue): Initialize args_size.
6991 * frame.h (struct frame_state): Add args_size.
6992 * libgcc2.c (__throw): Use args_size.
6993 * final.c (final_scan_insn): If we push args, hand off all insns
6994 to dwarf2out_frame_debug.
6995 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
6997 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
6998 Handle epilogue restore of SP from FP.
6999 * emit-rtl.c (gen_sequence): Still generate a sequence if the
7000 lone insn has RTX_FRAME_RELATED_P set.
7002 * frame.c (extract_cie_info): Handle "e" augmentation.
7003 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
7004 absence of UNALIGNED_*_ASM_OP.
7005 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
7006 (output_call_frame_info): Use "e" instead of "z" for augmentation.
7007 Don't emit augmentation fields length.
7008 (dwarf2out_do_frame): Move outside of #ifdefs.
7009 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
7012 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
7013 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
7014 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
7015 * sparc/sun4gas.h: New file.
7016 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
7018 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
7019 __register_frame_table and __deregister_frame.
7021 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
7023 * except.c (find_exception_handler_labels): Use xmalloc instead of
7024 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
7027 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
7029 * Makefile.in: Various changes to build info files
7030 in the object tree rather than the source tree.
7032 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
7034 * fixinc.math: New file to fix math.h on some systems.
7035 * configure.in (freebsd, netbsd): Use fixinc.math on these
7037 * configure: Rebuilt.
7039 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
7041 * regmove.c (regmove_optimize): If we end up moving the
7042 original insn due to lifetime overlaps, make sure to move
7045 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
7047 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
7049 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
7051 * haifa-sched.c (add_branch_dependences): Make each insn in
7052 a SCHED_GROUP_P block explicitly depend on the previous insn.
7054 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
7056 * except.h: Prototype dwarf2 hooks.
7059 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
7061 * configure.in (native_prefix): Delete.
7062 (mips-dec-netbsd): Don't set prefix.
7063 (*linux*): Don't set prefix.
7065 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
7067 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
7068 defined. If not defined, include <sys/varargs.h> if
7069 HAVE_SYS_VARARGS_H is defined.
7070 * configure.in: Test for varargs.h and sys/varargs.h.
7071 * configure: Regenerate with autoconf.
7072 * config.in: Regenerate with autoheader.
7074 * cpplib.c (quote_string): Cast first arg of sprintf call
7075 from "unsigned char *" to "char *".
7076 (output_line_command): Ditto.
7077 (macroexpand): Ditto.
7078 (do_line): Cast atoi arg from "unsigned char *" to "char *".
7080 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
7082 * version.c: Bump for snapshot.
7084 * Makefile.in (compare): Exit with nonzero status if there
7085 are comparison failures. Note which files failed the
7086 comparison test in .bad_compare.
7088 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7090 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
7092 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
7094 * Makefile.in (LN, LN_S): New macros, use where appropriate.
7095 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
7096 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
7097 * configure: Regenerated.
7099 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
7101 * loop.c (strength_reduce): Fix typo.
7103 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
7105 * m88k/m88k.c (struct option): Rename to struct options.
7106 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
7107 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
7108 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
7109 __DOLPHIN__ or sysV88.
7111 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
7113 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
7116 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
7118 * config.sub: Accept 'amigados' for backward compatability.
7120 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7122 * Makefile.in (testsuite/site.exp): New target.
7123 (check-gcc, check-g++): Depend on testsuite/site.exp.
7124 Don't stop for failure.
7126 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
7128 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
7129 if DWARF2_UNWIND_INFO.
7131 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
7133 Add support for exception handling using DWARF 2 frame unwind info.
7134 Currently works on SPARC and MIPS, and almost on x86.
7136 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
7137 next_stack_level, in_reg_window): Helper fns.
7138 (__throw): Implement for DWARF2_UNWIND_INFO.
7140 * expr.c (expand_builtin): Handle builtins used by __throw.
7141 * tree.h (enum built_in_function): Add builtins used by __throw.
7142 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
7143 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
7144 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
7145 (expand_builtin_extract_return_addr): Likewise.
7146 (expand_builtin_frob_return_addr): Likewise.
7147 (expand_builtin_set_return_addr_reg): Likewise.
7148 (expand_builtin_eh_stub): Likewise.
7149 (expand_builtin_set_eh_regs): Likewise.
7150 (eh_regs): Choose two call-clobbered registers for passing back values.
7152 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
7153 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
7154 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
7155 (stmp-multilib): Likewise.
7156 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
7158 * except.c: #include "defaults.h".
7159 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
7160 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
7161 (register_exception_table_p): New fn.
7162 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
7163 (end_eh_unwinder): Likewise.
7165 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
7166 call __register_frame and __deregister_frame as needed.
7167 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
7168 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
7169 EH_FRAME_SECTION_ASM_OP.
7170 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
7171 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
7172 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
7174 * dwarf2out.c (output_call_frame_info): If no support for
7175 EXCEPTION_SECTION, mark the start of the frame info with a
7177 * collect2.c (frame_tables): New list.
7178 (is_ctor_dtor): Recognise frame entries.
7179 (scan_prog_file): Likewise.
7180 (main): Pass -fno-exceptions to sub-compile. Also do collection
7181 if there are any frame entries.
7182 (write_c_file_stat): Call __register_frame_table and
7183 __deregister_frame as needed.
7184 (write_c_file_glob): Likewise.
7186 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
7187 Also require unaligned reloc support.
7188 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
7189 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
7190 * sparc/sysv4.h: Not here.
7192 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
7193 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
7194 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
7196 * libgcc2.c (L_eh): Reorganize, moving code shared by different
7197 EH implementations to the top.
7198 (find_exception_handler): Split out. Start from 0. Compare against
7200 (__find_first_exception_table_match): Use it.
7201 * except.c (output_exception_table): Don't do anything if there's
7202 no table. Don't output a first entry of zeroes.
7203 (eh_outer_context): Adjust properly.
7204 (add_eh_table_entry): Use xrealloc.
7205 * toplev.c (compile_file): Just call output_exception_table.
7207 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
7209 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
7211 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
7213 * except.c (eh_outer_context): Do masking using expand_and.
7215 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
7217 Add port done awhile ago for the ARC cpu.
7218 * arc/arc.h: New file.
7219 * arc/arc.c: New file.
7220 * arc/arc.md: New file.
7221 * arc/initfini.c: New file.
7222 * arc/lib1funcs.asm: New file.
7223 * arc/t-arc: New file.
7224 * arc/xm-arc.h: New file.
7225 * ginclude/va-arc.h: New file.
7226 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
7227 * ginclude/varargs.h: Likewise.
7228 * Makefile.in (USER_H): Add va-arc.h.
7229 * configure.in (arc-*-elf*): Recognize.
7230 * longlong.h: Add ARC support.
7232 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
7234 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
7235 when clearing non-BLKmode data.
7237 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
7239 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
7240 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
7242 * xm-m88k.h (USG): Only define if it hasn't already been defined.
7244 * Makefile.in (risky-stage1): Delete gratutious whitespace.
7246 * Makefile.in (clean): Delete libgcc1-test.
7248 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
7250 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
7252 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
7255 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7257 * dwarf2out.c (output_call_frame_info): Call named_section.
7259 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
7261 * haifa-sched.c (print_value): Fix last change.
7263 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
7265 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
7268 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
7270 * mips.c (function_prologue): Set up the CFA when ABI_32.
7272 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
7273 for dwarf2 unwind info.
7274 (output_function_prologue, sparc_flat_output_function_prologue): Same.
7276 * final.c (final_end_function): Check dwarf2out_do_frame instead
7277 of DWARF2_DEBUG for dwarf2 unwind info.
7278 (final_scan_insn): Likewise.
7279 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
7282 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
7285 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
7287 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
7289 * v850.h (ASM_SPEC): Pass on target processor.
7290 (CPP_PREDEFINES): Only define if not already specified.
7291 (TARGET_VERSION): Only define if not already specified.
7292 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
7294 (EXTRA_SWITCHES): Extra entries in the switches array.
7295 (TARGET_DEFAULT): Set default target processor.
7297 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
7299 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
7300 cases, add %# and %/, and add : to make them into extended asms.
7302 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
7304 * alias.c (init_alias_analysis): Clean up incompatible pointer
7305 type warning in bzero.
7306 * regmove.c (regmove_optimize): Ditto.
7307 * haifa-sched.c (find_rgns): Ditto.
7309 * haifa-sched.c (print_value): Clean up ptr->int cast
7312 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
7314 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
7315 * install.texi (Configurations): Ditto.
7316 * config.sub: Ditto.
7318 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
7320 * Makefile.in (sdbout.o): Depend on insn-config.h.
7322 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
7324 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
7325 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
7327 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
7329 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
7330 prologue insn, only the first elt is significant.
7331 (output_call_frame_info): For exception handling, always use 4-byte
7332 fields as specified by the dwarf2 spec.
7333 Don't skip trivial FDEs.
7335 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
7337 * version.c: Bump for snapshot.
7339 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
7341 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
7342 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
7345 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
7347 * final.c (shorten_branches): During first pass, assume worst
7348 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
7350 * Makefile.in (distclean): Remove various things left around
7351 by running the testsuite.
7353 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
7355 * configure.in (out_file): Emit definition to config.status in order
7356 to have a defined value for configure.lang.
7357 * configure: Re-built.
7359 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
7361 * configure.in: Make symlink to as-new rather than as.new. Similarly
7363 * configure: Rebuilt.
7365 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
7367 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
7369 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
7371 * sparc/sparc.md: Add ultrasparc scheduling support.
7372 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
7374 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7376 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
7377 as initial value for real_label_map.
7378 (copy_for_inline): Likewise.
7380 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7382 * sched.c (update_flow_info) When looking if to set found_split_dest
7383 or found_orig_dest, look at all parts of a PARALLEL.
7384 * haifa-sched.c (update_flow_info): Likewise.
7386 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
7388 * v850: New directory for v850 port.
7389 * v850/lib1funcs.asm: New file.
7390 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
7391 * ginclude/va-v850.h: New file.
7392 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
7393 * configure.in (mn10200-*-*): New target.
7394 * configure: Rebuilt.
7395 * config.sub: Handle v850-elf.
7396 * Makefile.in (USER_H): Add va-mn10200.h.
7397 * invoke.texi: Document v850 stuff.
7399 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
7401 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
7402 has integer TYPE_{MAX,MIN}_VALUE before using them.
7404 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
7405 __HPUX_ASM__ versions.
7407 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
7409 * install.sh: Delete duplicate install script.
7411 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
7413 * reg-stack.c (subst_stack_regs): Pop the stack register for a
7414 computed goto which sets the same stack register.
7416 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
7417 destination are both on the regstack.
7418 (subst_stack_regs_pat): Put the destination at the top of the regstack.
7420 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
7422 * mips.md (nonlocal_goto_receiver): Define.
7424 * profile.c (output_arc_profiler): Check next_insert_after for non
7425 NULL before deferencing it.
7427 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
7429 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
7431 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
7433 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
7435 * toplev.c (rest_of_compilation): For passes starting with
7436 flow_analysis, use print_rtl_with_bb instead of print_rtl.
7438 * print-rtl.c (print_rtl_single): Print a single rtl value to a
7441 * flow.c (print_rtl_with_bb): Print which insns start and end
7442 basic blocks. For the start of a basic block, also print the live
7445 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
7447 * toplev.c (main): Change #elif to #else/#ifdef
7449 * tlink.c: Include ctype.h.
7450 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
7452 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
7454 * bitmap.c: Conditionally include stdlib.h.
7455 (free): Provide a declaration if NEED_DECLARATION_FREE.
7457 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
7459 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
7461 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
7463 * profile.c (output_arc_profiler): Verify next_insert_after is an
7464 INSN before and after skipping a stack pop.
7466 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7468 * final.c (shorten_branches): Don't count the lengths of deleted
7471 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
7473 * version.c: Bump for snapshot.
7475 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
7477 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
7478 two bitmaps ANDed together.
7479 (bitmap_print): Declare.
7481 * bitmap.c (function_obstack): Don't declare any more.
7482 (bitmap_obstack): Obstack for allocating links from.
7483 (bitmap_obstack_init): New static to say whether to initialize
7485 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
7486 (bitmap_release_memory): Free all memory allocated from
7489 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
7490 EXECUTE_IF_AND_IN_BITMAP.
7492 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
7494 * alias.c (true_dependence): Address with AND can alias scalars.
7495 (anti_dependence, output_dependence): Likewise.
7497 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
7499 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
7501 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
7502 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
7503 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
7504 definitions. Use -qrtems instead of -mrtems.
7506 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
7508 * xm-sco5.h (sys_siglist): Define.
7509 (SYS_SIGLIST_DECLARED): Likewise.
7511 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
7513 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
7515 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
7517 * except.c (eh_outer_context): Expand masking operation using
7520 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
7522 * alpha.md (floatdisf2-1): New pattern.
7524 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
7526 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
7527 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
7528 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
7529 * gcc.texi: Note that if you define sys_siglist that you should
7530 also define SYS_SIGLIST_DECLARED.
7532 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
7533 are relative to the next instruction, not the current instruction.
7535 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
7537 * local-alloc.c (contains_replace_regs): New function.
7538 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
7539 verify that there is no existing REG_EQUIV note, and add a call to
7540 contains_place_regs.
7542 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7544 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
7545 (STARTFILE_SPEC): Always use crtbegin.o%s
7546 (ENDFILE_SPEC): Always use crtend.o%s.
7548 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
7550 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
7552 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
7553 SFmode for 64 bit hosts.
7555 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
7557 * fixincludes: Permits spaces between # and define. Discard C++
7558 comments in sys/pci.h on HP/UX 10.20.
7560 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
7562 * version.c: Bump for snapshot.
7564 * pa.c (restore_unscaled_index_insn_codes): New function.
7565 (record_unscaled_index_insn_codes): Likewise.
7566 (output_function_prologue): Call restore_unscaled_index_insn_codes.
7567 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
7568 (pa_reorg): Call record_unscaled_index_insn_codes.
7570 * haifa-sched.c (move_insn): Handle notes correctly for insns
7571 with SCHED_GROUP_P set.
7573 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7575 * alpha/xm-linux.h (USE_BFD): Undef before define.
7577 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
7579 * cse.c (cse_insn): Don't record BLKmode values.
7581 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
7583 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
7585 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
7587 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
7588 * collect2.c (sys_errlist): Likewise.
7589 * cpplib.c (sys_errlist): Likewise.
7590 * gcc.c (sys_errlist): Likewise.
7591 * protoize (sys_errlist): Likewise.
7592 * configure.in: Check for strerror.
7593 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
7594 * xm-gnu.h (HAVE_STRERROR): Likewise.
7595 * xm-linux.h (HAVE_STRERROR): Likewise.
7596 * xm-netbsd.h (HAVE_STRERROR): Likewise.
7597 * xm-bsd386.h (HAVE_STRERROR): Likewise.
7598 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
7599 * xm-dos.h (HAVE_STRERROR): Likewise.
7600 * xm-mingw32.h (HAVE_STRERROR): Likewise.
7601 * xm-pa.h (HAVE_STRERROR): Likewise.
7602 * xm-papro.h (HAVE_STRERROR): Likewise.
7603 * xm-sysv4.h (HAVE_STRERROR): Likewise.
7604 * configure, config.in: Rebuilt.
7606 * Makefile.in: Add several missing "else true" clauses.
7608 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
7609 * mips-tfile.c: Likewise.
7610 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
7611 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
7612 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
7613 * configure.in: Check for sys_siglist declaration.
7614 * configure, config.in: Rebuilt.
7616 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
7618 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
7619 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
7620 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
7621 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
7622 * rs6000/sysv4.h (extra_subtarget_switches): Added new
7623 macro EXTRA_SUBTARGET_SWITCHES.
7624 * configure.in (sh*-*-rtems*): New target.
7625 * sh/rtems.h: New file.
7626 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
7627 * configure: Rebuilt.
7629 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
7631 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
7633 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
7635 * rs6000.md: Make DF fused-add operations pay attention to
7638 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
7640 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
7642 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
7644 * pa.md (reload_peepholes): Make sure operand is a REG before
7645 examining REGNO. Allow general registers too.
7647 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
7649 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
7651 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
7653 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
7654 to reallocate abbrev_die_table.
7656 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
7658 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
7660 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7662 * Makefile.in (config.status): Depend on version.c
7664 * expr.h (insn_gen_function): Reenable prototype.
7666 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
7669 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
7671 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
7673 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
7675 * version.c: Bump for latest snapshot.
7677 * bc-optab.c: Conditionally include stdlib.h.
7678 (free): Provide a declaration if NEED_DECLARATION_FREE.
7679 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
7680 * rtl.h (free): Remove declaration.
7681 * tree.h (free): Remvoe declaration.
7683 * configure: Rebuilt.
7685 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
7687 * flags.h (flag_move_all_movables): Declare.
7688 (flag_reduce_all_givs): Likewise.
7689 * loop.c (move_movables): Handle flag_move_all_movables.
7690 (strength_reduce): Handle flag_reduce_all_givs.
7691 * toplev.c (flag_move_all_movables): Define.
7692 (flag_reduce_all_givs): Likewise.
7693 (f_options): Add -fmove-all-movables and -freduce-all-givs.
7694 * invoke.texi: Document new options, including alias stuff that
7695 wasn't included last time.
7697 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
7699 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
7702 * t-vxworks68: Ditto.
7703 * t-vxworks960: Ditto.
7706 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
7708 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
7709 if not already defined, and USE_C_ALLOCA not defined.
7711 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
7713 * config.guess: Replace with script that uses ../config.guess.
7715 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
7716 if USE_GNULIBC_1 is not defined.
7718 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
7720 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
7721 * config.guess: Recognize alpha-linux-gnulibc1.
7722 * configure.in (alpha-*-linux-gnulibc1): New target.
7723 (alpha-*-linux-gnu*): Don't build crtbegin/end.
7725 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
7727 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
7730 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
7732 * loop.c (combine_movables): Earlier insns don't match later ones.
7734 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7736 * config/linux.h (CC1_SPEC): Define it only if not defined.
7738 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
7741 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
7742 USE_GNULIBC_1 is not defined.
7744 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
7746 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
7747 as 1 if USE_GNULIBC_1 is not defined.
7749 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
7751 * reorg.c (dbr_schedule): Allow current_function_return_rtx
7752 to be something other than a REG.
7753 * function.c (expand_function_end): Fix current_function_return_rtx
7756 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
7757 * x-netbsd: Likewise
7758 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
7759 (INSTALL_HEADERS): Delete.
7760 * x-dguxbcs: Likewise.
7761 * x-hp3bsd44: Likewise
7764 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7766 * i386.md (pop): pop increments the stack pointer.
7767 (prologue_set_stack_ptr): New pattern.
7768 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
7771 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
7773 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
7774 address where an offsettable address is required.
7776 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
7778 * loop.c (check_final_value): Don't miss a biv increment in a
7781 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
7783 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
7784 TYPE_DECL_IS_STUB instead of DECL_NAME.
7786 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7788 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
7790 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
7792 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
7794 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
7796 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
7797 (find_post_sched_live): Likewise.
7799 * haifa-sched.c (schedule_block): Remove old code to get arguments
7800 from hard regs into pseudos early.
7802 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
7804 * version.c: Bump for new snapshot.
7806 * local-alloc.c (update_equiv_regs): All the target to reject
7807 promotion of some REG_EQUAL to REG_EQUIV notes.
7808 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
7810 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
7813 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
7814 store of the argument registers.
7816 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
7818 * fold-const.c (multiple_of_p): New function.
7819 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
7821 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
7823 * expr.h (insn_gen_function): Temporarily remove prototype.
7825 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
7827 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
7828 filenames. Use sed to extract base filename for install.
7830 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
7832 * unroll.c (find_splittable_givs): Only share if two givs have the
7833 same add and multiply values.
7835 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
7837 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
7838 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
7840 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
7842 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
7843 around branch tables.
7844 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
7845 and .end_brtab directives if TARGET_GAS.
7847 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
7849 * alias.c (true_dependence): Pass x_addr not x to varies.
7851 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
7852 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
7853 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
7855 * config.in, configure: Regenerate.
7857 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
7859 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
7861 (record_set): Handle LO_SUM like PLUS.
7862 (init_alias_analysis): When following chains of base addresses,
7863 do not stop on reaching a hard register.
7865 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
7867 * version.c: Bump for new snapshot.
7869 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
7871 * alpha.h (ARCH_ASM_FILE_START): Define.
7872 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
7873 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
7875 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
7877 * Makefile.in (install-common): Put gcov comment at start of line.
7879 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
7881 * alias.c (init_alias_analysis): When simplifying the reg_base_value
7882 array, simplify entries for hard registers too.
7884 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
7886 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
7889 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
7891 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
7892 block_stack before dereferencing it.
7894 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
7896 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
7898 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
7900 * cplus-dem.c: Add 'extern' to prepends_underscore.
7902 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
7904 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
7905 (get_issue_rate): Delete.
7906 * pa.h (ISSUE_RATE): Define.
7908 * configure.in: Turn on haifa by default for the PA.
7909 * configure: Rebuilt.
7910 * pa.c (override_options): Accept -mschedule=7200 option.
7911 (pa_adjust_cost): No longer need to scale costs for newer
7913 * pa.h (enum processor_type): Add PROCESSOR_7200.
7914 * pa.md: Revamp scheduling parameters to work better with
7915 haifa. Add scheduling parameters for the 7200.
7917 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
7919 (schedule_block): When adjusting basic_block_{head,end}, account
7920 for movement of SCHED_GROUP_P insns too.
7922 * haifa-sched.c (debug_dependencies): Fix thinko.
7924 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
7925 (site.exp, check, check-g++, check-gcc): New targets.
7927 * haifa-sched.c: Make lots of variables static.
7929 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7931 * expr.h, real.h: Finish prototyping.
7933 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
7935 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
7936 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
7937 * reload1.c: Undo bugfix from Aug 11.
7939 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
7941 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
7942 quotes around the name.
7943 * configure: Regenerate.
7945 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
7947 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
7949 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
7951 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
7952 to sub-makes to avoid building more passes than the user might have
7953 requested on the command line.
7955 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
7957 * configure.in: Expurgate `broken_install' (install is
7960 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
7963 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
7965 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
7966 functions and declarations.
7967 (analyze_loop_iterations): Use condjump_p.
7968 (insert_bct): Likewise. Use exact_log2.
7970 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
7972 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
7973 (schedule_region): Likewise.
7974 (schedule_insns): Likewise.
7976 * PROJECTS: Update with Haifa stuff.
7978 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
7980 * version.c: Change the version string to look like:
7981 egcs-2.90.00 970814 (gcc2-970802 experimental).
7983 * loop.c (is_conditional_branch): Make definition match declaration.
7985 * gcc.c: Take out experimental snapshot warning message.
7987 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
7989 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
7990 print out the names of the notes. Print out the name of the insn
7991 that is not a note, and not an {,CALL_,JUMP_}INSN.
7993 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7995 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7996 again for the slot after we give it RTL.
7998 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
8000 * configure.in (haifa configury): Fix typo.
8001 * configure: Regenerate.
8003 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
8005 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
8007 * gcc.info*: Rebuilt.
8009 * COPYING.g77, README.g77: New files.
8010 * real.c (ereal_unto_float, ereal_unto_double): New functions.
8011 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
8012 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
8014 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
8016 * Integrate Haifa instruction scheduler.
8017 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
8018 to sched with $(SCHED_CFLAGS.
8019 * configure.in: Handle --enable-haifa.
8020 * configure: Rebuilt.
8021 * flags.h: Add new flags for haifa instruction scheduler.
8022 * genattrtab.c (expand_units): For haifa, don't subtract one
8023 when computing blockage.
8024 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
8025 (flag_schedule_speculative): Ditto.
8026 (flag_schedule_speculative_load): Ditto.
8027 (flag_schedule_speculative_load_dangerous): Ditto.
8028 (flag_schedule_reverse_before_reload): Ditto.
8029 (flag_schedule_reverse_after_reload): Ditto.
8030 (flag_branch_on_count_reg): Ditto.
8031 (f_options): Add Haifa switches.
8032 (main): Turn off some Haifa options if appropriate macro is
8033 defined. Process Haifa switches.
8034 * unroll.c (iteration_info): No longer static, since Haifa
8036 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
8037 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
8038 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
8039 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
8040 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
8041 storage for the Haifa scheduler.
8042 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
8044 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
8045 are defined, call analyze_loop_iterations and insert_bct to use
8047 (record_giv): Refine test for jumps out of loops if HAIFA is
8049 (analyze_loop_iterations): New function to identify if we can use
8051 (insert_bct): Insert countdown loop.
8052 (instrument_loop_bct): Low level code to insert countdown loop.
8053 (loop_number): Calculate UID of loop.
8054 (indirect_jump_in_function_p): Return true if an indirect jump is
8056 (is_power_of_2): Return true if value is a power of 2.
8057 (is_conditional_branch): Return true if insn is a conditional
8059 (fix_bct_param): Process -fbct-{min,max}-N switches.
8060 (check_bct_param): Return true if loop should be instrumented.
8061 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
8062 (loop_optimize): Initialize.
8063 (get_condition_for_loop): Ditto.
8064 * loop.c (strength_reduce): Inside of code that uses #ifdef
8065 HAVE_decrement_and_branch_on_count code, test it to make sure the
8067 (instrument_loop_bct): Ditto.
8068 * haifa-sched.c: New file.
8071 * Integrate regmove pass.
8072 * Makefile.in (OBJS): Add regmove.o
8073 (regmove.o): Add dependencies.
8074 * flow.c (find_use_as_address): No longer static.
8075 * rtl.h (find_use_as_address): Declare.
8076 * toplev.c (regmove_dump, flag_regmove): Define.
8077 (f_options): Add -fregmove.
8078 (regmove_dump_file, regmove_time): Define.
8079 (fatal_insn): Close the regmove dump file.
8080 (compile_file): Initialize regmove_time; open/close the regmove dump
8081 file as needed. Print regmove time as needed.
8082 (rest_of_compilation): Run regmove pass if requested, dump
8083 RTL after regmove if requested.
8084 (main): If -O2 or more, turn on regmove. Handle dump switches.
8085 * regmove.c: New file.
8087 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
8089 * Integrate tlink patch from jason@cygnus.com
8090 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
8091 (process_command): Increment n_switches for them. Don't discard
8092 their args. Validate them.
8093 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
8095 (process_command): Set include_prefixes from COMPILER_PATH.
8096 (main): Set COLLECT_GCC_OPTIONS sooner.
8097 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
8098 * tlink.c, hash.c, hash.h: New files.
8099 * Makefile.in (USE_COLLECT2): Always use collect2.
8100 (collect2): Depend on and link in hash.o and tlink.o.
8101 (tlink.o, hash.o): Add dependencies.
8103 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
8105 * Integrate alias analysis changes from jfc@mit.edu
8106 * Makefile.in (OBJS): Add alias.o
8107 (alias.o): Add dependencies.
8108 * alias.c: New file.
8109 * sched.c: Remove alias analysis code. It lives in alias.c now.
8110 (sched_analyze_2): Add new arguments to true_dependence.
8111 (schedule_insns): Always call init_alias_analysis.
8112 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
8113 mark return value from such functions as a pointer and keep track of
8114 them for alias analysis. If a return value from a function is a
8115 pointer, mark it as such.
8116 * combine.c (distribute_notes): Handle REG_NOALIAS.
8117 * cse.c (struct write_data): Delete. No longer needed.
8118 (invalidate): Don't call set_nonvarying_address_components anymore.
8119 Use true_dependence to decide if an entry should be removed from
8121 (invalidate_memory): Remove WRITES argument, simplify appropriately.
8123 (note_mem_written): Similarly for WRITE_PTR argument.
8124 (invalidate_from_clobbers): Similarly for W argument.
8125 (invalidate_for_call): Remove memory elements from the hash table.
8126 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
8127 (cse_rtx_varies_p): New function. Derived from old
8128 cse_rtx_addr_varies_p.
8129 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
8130 Don't call note_mem_written anymore. Stack pushes invalidate the stack
8131 pointer if PUSH_ROUNDING is defined. No longer need to call
8132 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
8133 (skipped_writes_memory): Remove variable.
8134 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
8135 (invalidate_skipped_block): Simplify for new alias analysis code.
8136 (cse_set_around_loop): Likewise.
8137 (cse_main): Call init_alias_analysis.
8138 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
8139 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
8140 (f_options): Add new alias checking arguments.
8141 (main): Set flag_alias_check when optimizing.
8142 * local_alloc (validate_equiv_mem_from_store): Add new arguments
8144 (memref_referenced_p): Likewise.
8145 * loop.c (NUM_STORES): Increase to 30.
8146 (prescan_loop): Only non-constant calls set unknown_address_altered.
8147 (invariant_p): Add new arguments to true_dependence.
8148 (record_giv): Initialize unrolled and shared fields.
8149 (emit_iv_add_mult): Call record_base_value as needed.
8150 * loop.h (struct induction): Add unrolled and shared fields.
8151 * unroll.c (unroll_loop): Call record_base_value as needed.
8152 (copy_loop_body): Likewise.
8153 (final_biv_value): Likewise.
8154 (final_giv_value): Likewise.
8155 (find_splittable_regs): Likewise. Only create one new pseudo
8156 if we have multiple address GIVs that were combined with the same
8157 dst_reg GIV. Note when a new register is created due to unrolling.
8158 * rtl.c (reg_note_name): Add REG_NOALIAS.
8159 * rtl.h (enum reg_note): Similarly.
8160 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
8161 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
8162 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
8163 (true_dependence, read_dependence, anti_dependence): Likewise.
8164 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
8165 (mark_user_reg, mark_reg_pointer): Likewise.
8168 * Integrate reload bugfix from Wilon which enables the PA port
8170 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
8171 OPERAND_ADDRESS when computing how many registers an insn needs.
8172 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
8174 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
8176 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
8177 in reload_reg_use_in_op_addr do not reach the end.
8178 do not reach the end.
8179 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
8180 RELOAD_FOR_OPERAND_ADDRESS.
8182 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
8184 * egcs project officially starts.