1 1998-05-22 Jason Merrill <jason@yorick.cygnus.com>
3 * fold-const.c (ssize_binop): New fn.
6 Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com)
8 * genextract.c (print_path): Handle zero-length path as a special
11 Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se>
13 * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767.
15 Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
17 * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value.
18 (shorten_branches, final_scan_insn): Test value of
19 JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it
21 * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes.
22 * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1.
23 * arm/tcoff.h: Likewise.
24 * i386/386bsd.h: Likewise.
25 * i386/freebsd-elf.h: Likewise.
26 * i386/freebsd.h: Likewise.
27 * i386/netbsd.h: Likewise.
28 * i386/ptx4-i.h: Likewise.
29 * i386/sysv4.h: Likewise.
31 * rs6000/linux.h: Likewise.
32 * rs6000/rs6000.h: Likewise.
34 * sparc/sp64-elf.h: Likewise.
35 * v850/v850.h: Likewise.
36 * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0.
37 * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic).
39 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
41 * regmove.c (gen_add3_insn): New function.
42 (fixup_match_2): Use it instead of calling gen_addsi3.
44 Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com)
46 * Makefile.in (gencheck): Depend on HOST_LIBDEPS.
48 * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory
51 Thu May 21 20:18:13 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
53 * Makefile.in (TREE_H): Add tree-check.h.
54 (tree-check.h, gencheck): New targets.
55 * gencheck.c: New file.
56 * tree.c (tree_check, tree_class_check): New functions.
57 * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
58 (TYPE_CHECK, DECL_CHECK): Define.
59 Modify all access macros to use generated checking macros.
61 Wed May 20 23:44:28 EDT 1998 John Wehle (john@feith.com)
63 * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
64 * configure.in: Check for it.
65 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
66 * final.c (uid_align, uid_shuid, label_align): Make static.
67 (label_align): Change type to struct label_alignment pointer.
68 (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
69 (LABEL_TO_MAX_SKIP): Define.
70 (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
71 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
72 (shorten_branches): Record the maximum bytes to skip when
74 (final_scan_insn): Use the maximum bytes to skip when aligning a label
75 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
76 * i386.h (LOOP_ALIGN_MAX_SKIP,
77 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
78 * i386.c (override_options): i386_align_jumps and i386_align_loops
79 default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
80 * invoke.texi: Document new i386 align-loops and align-jumps behavior.
82 1998-05-21 Mark Mitchell <mmitchell@usa.net>
84 * cplus-dem.c (do_type): Handle volatile qualification.
86 Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com>
88 * function.c (init_function_start): Don't call emit_line_note if
89 lineno is 0. (Can happen when compiling Java .class files.)
91 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
93 * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
94 end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.
96 Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
98 * combine.c (nonzero_bits): For paradoxical subregs, take
99 LOAD_EXTENDED_OP into account.
101 Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com>
103 * configure.in (extra_c_objs): add prefix.o.
104 (extra_cxx_objs): extra objects for C++ with cpplib.
105 * configure: Regenerate.
107 * c-tree.h: (get_directive_line): Different prototype for cpplib.
108 (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
110 * c-lex.h: (get_directive_line): Not needed here for cpplib.
112 * c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
113 (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
115 * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
116 (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c
118 Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
120 * gengenrtl.c (type_from_format, accessor_from_format): Change
121 type of parameter `c' from `char' to `int'.
123 Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com)
125 * warn_summary, test_summary: New scripts from
126 Kaveh Ghazi and Alexandre Oliva respectively.
128 * gcse.c (current_function_calls_longjmp): Declare.
130 1998-05-20 Jason Merrill <jason@yorick.cygnus.com>
132 * dwarf2out.c (base_type_die): Use int_size_in_bytes.
134 Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com)
135 Jeff Law (law@cygnus.com)
137 * Global CSE and constant/copy propagation.
138 * Makefile.in (OBJS): Add gcse.o
139 (STAGESTUFF): Add *.gcse.
140 (gcse.o): Add dependencies.
141 (mostlyclean): Remove *.gcse and */*.gcse.
143 * loop.c (loop_optimize): Move call to init_alias_analysis.
144 * recog.c (validate_replace_src): New function.
145 * toplev.c (gcse_dump): New global variable.
146 (flag_gcse, gcse_time): Likewise.
147 (compile_file): Initialize gcse_time and clean out the gcse dump
149 (rest_of_compilation): Call gcse_main as requested. Dump RTL
150 after gcse if requested.
151 (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
153 * gcc.texi: Add gcse related internal documentation.
154 * invoke.texi: Note new command line options for gcse.
155 * tm.texi: Document AVOID_CCMODE_COPIES.
156 * mips.h (AVOID_CCMODE_COPIES): Define.
158 Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com)
160 * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
162 (stmp-fixproto): Simlarly for running fixproto.
163 * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
165 Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com>
167 * config/mips/mips.c (double_memory_operand): Accept any MEM during
168 reload when TARGET_64BIT.
170 Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com>
172 Finish incomplete change started by Kenner.
173 * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
174 (powerpcle-*-cygwin32): Delete xm_defines.
175 * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
176 HAVE_STAB_H instead of NO_STAB_H.
177 * config/xm-linux.h (NO_STAB_H): Delete.
178 (HAVE_STAB_H): Undefine.
179 * config/i386/xm-go32.h (NO_STAB_H): Delete.
181 1998-05-19 Jim Wilson <wilson@cygnus.com>
183 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
184 LANG_TYPE trees with DECL_SOURCE_LINE of 0.
186 Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org>
188 * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.
190 Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
192 * reload1.c (reload_reg_free_for_value_p): New function.
193 (allocate_reload_reg, choose_reload_regs): Use it.
195 Tue May 19 11:51:00 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
197 * except.c (expand_start_catch): Correct logic for when to
198 generate a new handler label, and when to use the old one.
200 Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
202 * Makefile.in (print-rtl.o): Depend on bitmap.h.
203 (dbxout.o): Depend on toplev.h.
204 ($(SCHED_PREFIX)sched.o): Likewise.
205 ($(out_object_file)): Likewise for system.h and toplev.h.
206 (cppmain.o): Depend on gansidecl.h.
207 (cpplib.o): Likewise.
208 (cpperror.o): Likewise.
209 (cppexp.o): Likewise.
210 (cpphash.o): Likewise.
211 (cppalloc.o): Likewise.
212 (fix-header.o): Depend on cpplib.h and cpphash.h.
213 (scan-decls.o): Depend on gansidecl.h.
215 * basic-block.h (free_regset_vector): Add prototype.
217 * cccp.c (check_precompiled): Mark parameter `fname' with
219 (do_assert): Likewise for `op' and `keyword'.
220 (do_unassert): Likewise.
221 (do_line): Likewise for `keyword'.
222 (do_error): Likewise for `op' and `keyword'.
223 (do_warning): Likewise.
224 (do_ident): Likewise for `keyword'.
225 (do_pragma): Likewise for `limit', `op' and `keyword'.
227 (do_if): Likewise for `keyword'.
230 (do_endif): Likewise.
232 * collect2.c (getenv): Remove redundant prototype.
233 (collect_exit, collect_execute, dump_file): Likewise.
234 (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
235 (dump_prefix_list): Hide prototype and definition.
237 * sparc.c: Include toplev.h.
238 (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
239 (symbolic_memory_operand): Likewise.
240 (sp64_medium_pic_operand): Likewise.
241 (data_segment_operand): Likewise.
242 (text_segment_operand): Likewise.
243 (splittable_symbolic_memory_operand): Likewise.
244 (splittable_immediate_memory_operand): Likewise.
245 (eq_or_neq): Likewise.
246 (normal_comp_operator): Likewise.
247 (noov_compare_op): Likewise.
248 (v9_regcmp_op): Likewise.
249 (v8plus_regcmp_op): Likewise.
250 (extend_op): Likewise.
251 (cc_arithop): Likewise.
252 (cc_arithopn): Likewise.
253 (small_int): Likewise.
254 (uns_small_int): Likewise.
255 (clobbered_register): Likewise.
256 (legitimize_pic_address): Likewise.
257 (delay_operand): Likewise.
258 (sparc_builtin_saveregs): Remove unused variable `stdarg'.
260 * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
261 sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
263 * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
265 * cppalloc.c: Include gansidecl.h.
267 * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
268 (cpp_file_line_for_message): Mark parameter `pfile' with
270 (v_cpp_message): New function.
271 (cpp_message): Use it. Also convert to variable arguments.
272 (cpp_fatal): Likewise.
273 (cpp_pfatal_with_name): Constify parameter `name'.
275 * cppexp.c: Move gansidecl.h before cpplib.h.
276 * cpphash.c: Likewise.
277 * cpphash.h (hashf, delete_macro): Add prototypes.
279 * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
280 cpplib.h. Don't include errno.h.
281 (update_path): Add arguments to prototype.
282 (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
283 cpp_print_containing_files): Remove redundant prototypes.
284 (cpp_hash_cleanup, add_import, append_include_chain,
285 make_assertion, path_include, initialize_builtins,
286 initialize_char_syntax, finclude, validate_else, comp_def_part,
287 lookup_import, redundant_include_p, is_system_include,
288 read_name_map, read_filename_string, open_include_file,
289 check_macro_name, compare_defs, compare_token_lists,
290 eval_if_expression, change_newlines): Add prototype arguments.
291 (hashf): Remove redundant prototype.
292 (read_token_list, free_token_list, safe_read, xcalloc, savestring,
293 conditional_skip, skip_if_group): Add prototype arguments.
294 (fdopen): Remove redundant prototype.
295 (do_define, do_line, do_include, do_undef, do_error, do_pragma,
296 do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
297 do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
298 (struct directive): Add prototype arguments to function pointer
300 (handle_directive): Add missing arguments to call to `do_line'.
301 (do_include): Mark parameters `unused1' and `unused2' with
303 (do_line): Likewise for `keyword' and new parameters `unused1' and
305 (do_error): Likewise for `keyword'.
306 (do_warning): Likewise. Also add missing argument `pfile' in call
308 (do_once): Mark parameter `keyword', `unused1' and `unused2' with
310 (do_ident): Likewise for `keyword', `buf' and `limit'.
311 (do_pragma): Likewise. Also add missing arguments in call to do_once.
312 (do_sccs): Mark parameter `keyword', `buf' and `limit' with
314 (do_if): Likewise for `keyword'.
316 (eval_if_expression): Likewise for `buf' and `length'.
317 (do_xifdef): Likewise for `unused1' and `unused2'.
318 (do_else): Likewise for `keyword', `buf' and `limit'.
319 (do_endif): Likewise.
320 (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
321 (cpp_handle_options): Remove superfluous NULL argument in call to
323 (cpp_handle_options): Likewise.
324 (do_assert): Mark parameter `keyword', `buf' and `limit' with
326 (do_unassert): Likewise.
327 (cpp_print_file_and_line): Add missing argument `pfile' in call to
328 cpp_file_line_for_message.
329 (v_cpp_error): New function.
330 (cpp_error): Use it. Also accept variable arguments.
331 (v_cpp_warning): New function.
332 (cpp_warning): Use it. Also accept variable arguments.
333 (cpp_pedwarn): Accept variable arguments.
334 (v_cpp_error_with_line): New function
335 (cpp_error_with_line): Use it. Accept variable arguments.
336 (v_cpp_warning_with_line): New function.
337 (cpp_warning_with_line): Use it. Accept variable arguments. Hide
339 (cpp_pedwarn_with_line): Accept variable arguments.
340 (cpp_pedwarn_with_file_and_line): Likewise.
341 (cpp_error_from_errno): Constify parameter `name'. Add missing
342 argument `pfile' in call to cpp_file_line_for_message.
343 (cpp_perror_with_name): Constify parameter `name'.
345 * cpplib.h: Define PARAMS() in terms of PROTO().
346 (fatal): Remove redundant prototype.
347 (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
348 cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
349 cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
350 cpp_fatal, cpp_message, cpp_pfatal_with_name,
351 cpp_file_line_for_message, cpp_print_containing_files): Add
352 arguments to prototypes.
353 (scan_decls, cpp_finish): Add prototypes.
355 * cppmain.c: Include gansidecl.h.
356 (main): Remove unused variable `i'.
358 * dbxout.c: Include toplev.h.
360 * demangle.h (do_tlink, collect_execute, collect_exit,
361 collect_wait, dump_file, file_exists): Add prototype.
363 * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
364 prototype and definition.
365 (gen_unspecified_parameters_die): Don't assign results of call to
366 function new_die() to unused variable `parm_die'.
367 (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
368 (dwarf2out_define): Likewise for `lineno' and `buffer'.
370 * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
371 prototype and definition.
372 (output_die): Add prototype arguments to function pointer arg.
373 (output_unspecified_parameters_die): Mark parameter `arg' with
376 * except.c (output_exception_table_entry): Remove unused variable
379 * except.h (expand_fixup_region_start, expand_fixup_region_end):
382 * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
384 * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
386 * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
387 before cpplib.h, include cpphash.h, remove redundant prototype of
388 cpp_fatal, don't define `const', add a prototype for `fatal'.
389 (cpp_file_line_for_message): Add missing arguments `pfile'.
390 (v_cpp_message): New function.
391 (cpp_message): Use it.
392 (v_fatal): New function.
393 (fatal, cpp_fatal): Use it.
394 (cpp_pfatal_with_name): Constify parameter `name'.
396 * flow.c (free_regset_vector): Remove redundant prototype.
398 * function.c (round_down): Wrap prototype and definition with
399 macro ARGS_GROW_DOWNWARD.
400 (record_insns): Wrap prototype and definition with
401 defined (HAVE_prologue) || defined (HAVE_epilogue).
403 * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
405 * gen-protos.c: Include gansidecl.h.
406 (hashf): Don't make it static, constify parameter `name'.
408 * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
409 specifier %s in calls to function `fatal'.
411 * haifa-sched.c: Include toplev.h.
412 (find_rgns): Remove unused variable `j'.
414 * integrate.c (note_modified_parmregs): Mark parameter `x' with
416 (mark_stores): Likewise.
418 * jump.c (mark_modified_reg): Likewise.
420 * output.h (insn_current_reference_address): Add prototype.
421 (eh_frame_section): Likewise.
423 * print-rtl.c: Include bitmap.h.
425 * reload1.c (reload): Wrap variables `note' and `next' in macro
426 PRESERVE_DEATH_INFO_REGNO_P.
427 (forget_old_reloads_1): Mark parameter `ignored' with
429 (choose_reload_regs): Remove unused variable `in'.
430 (reload_cse_invalidate_mem): Mark parameter `ignore' with
432 (reload_cse_check_clobber): Likewise.
434 * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
435 (mark_elimination): Fix typo in prototype.
437 * scan-decls.c: Include gansidecl.h.
439 * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.
441 Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com)
443 * function.c (identify_blocks): Fix thinko when setting the
444 block number for NOTE_INSN_BLOCK_END.
446 Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com>
448 * config/v850/lib1funcs.asm: Add .text pseudo op to start of
451 * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
452 underscores for the prefixes to the names of the maths functions.
454 * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add
455 comment explaining why.
457 Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com>
459 * tree.h (TYPE_SIZE_UNIT): New.
460 (struct tree_type): Add size_unit member.
461 * stor-layout.c (layout_type): Initialize it.
462 * expr.c (get_inner_reference) [ARRAY_REF]: Use it.
463 * tree.c (size_in_bytes, int_size_in_bytes): Likewise.
465 Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com)
467 * stor-layout.c (layout_record): Fix off-by-one error when checking
468 length of the TYPE_BINFO vector.
470 Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com>
472 * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
473 function parameter passed in memory.
475 Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com>
477 * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files.
478 Prototypes for externally used functions in respective C files.
479 * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
480 final.c: Include above files.
481 * Makefile.in (toplev.o): Add dependency for above four headers.
483 (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
484 respective header files.
486 Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com)
488 * Makefile.in (TARGET_TOOLPREFIX): No longer define.
489 (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in
490 the build tree if they exist.
491 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update
493 (objdir): Let configure substitute value.
494 (FLOAT_H): Let configure select a pre-built version from the
496 * build-make (INSTALL_TARGET, ALL): Disable, no longer needed.
497 * configure.in: Substitute for objdir.
499 * Makefile.in (build_canonical, host_canonical): Let configure
500 substitute values for these variables.
501 * configure.in: Substitute for build_canonical, host_canonical
502 and target_subdir in generated Makefile.
504 * output.h (find_basic_blocks): Declare.
505 (free_basic_block_vars, set_block_num, life_analysis): Likewise.
507 * Makefile.in (BISON): Use bison from the build tree if it exists.
510 Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com>
512 * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
513 (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
514 (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
515 command line arguments to see if an executable is not being
516 created, and if so - do not append the suffix.
518 * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
521 Sun May 17 23:59:45 1998 John Wehle (john@feith.com)
523 * i386.h (ALIGN_DFmode): Delete.
524 (CONSTANT_ALIGNMENT): Define.
525 * varasm.c (force_const_mem): Use it.
527 Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com>
529 * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after
530 using it with swap_condition, not before.
532 Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com>
534 * alias.c (mode_alias_check): Delete.
535 (true_dependence, anti_dependence, output_dependence): Revert April 21
538 Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se>
540 * toplev.c (output_lang_identify): Enable prototype and definition.
542 Sun May 17 01:12:27 PDT 1998 Jeff Law (law@cygnus.com)
544 * version.c: Bump for snapshot.
546 Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com>
548 * alpha/osf.h (HAVE_STAMP_H): Define.
550 * alpha/netbsd.h, alpha/netbsd-elf.h: New files.
551 * configure.in (alpha*-*-netbsd*): New.
552 Based on patches from Paul H. Anderson <pha@pdq.com>.
554 * configure.in (alpha*-*-linux-*): Kill xm_defines.
555 (alpha*-*-linux-gnulibc1*) [fixincludes]: Define.
556 * alpha/xm-linux.h: Remove file.
558 Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com>
560 * dbxout.c (dbxout_parms): If mode of type of parameter living
561 in memory doesn't match mode of DECL_RTL, make big endian correction.
563 Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
565 * i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
567 Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
569 * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.
570 * stor-layout.c (layout_record): Set it.
572 Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net>
574 * toplev.c (rest_of_compilation): Don't defer nested functions.
576 Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com>
578 * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
579 to an 8-byte boundary if info_ptr->fpmem_p.
581 Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com>
583 * loop.c (basic_induction_var): Added test preventing
584 CCmode parameter passed to convert_modes().
586 Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
588 * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
589 input_filename and lineno around expand_expr call. Set them to values
590 in WFL before expand_expr call.
592 Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
594 * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype.
596 Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net>
598 * fold-const.c (constant_boolean_node): New function.
601 Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
603 * sh.c (gen_shl_and): Don't sign extend constant for kind two.
604 Abort if trying to split kind 3 or 4 outside of combine.
606 Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com)
608 * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX.
610 Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu>
612 * objc/Make-lang.in (OBJC_O): Add missing exeext.
613 (libobjc.a, runtime-info.h): Likewise.
615 Fri May 15 01:29:39 1998 John Wehle (john@feith.com)
617 * i386.h (DATA_ALIGNMENT): Define.
619 Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
621 * reload1.c (delete_output_reload): Ignore single USE that
622 was emitted for the pseudo use of this INSN.
623 If the no reference to REG between OUTPUT_RELOAD_INSN and INSN
624 remains, we can always delete OUTPUT_RELOAD_INSN.
626 Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com>
628 * reload.c (find_reloads): Don't penalize SCRATCH output reload.
630 Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com)
632 * Makefile.in (expr.o): Remove dependency on deleted modemap.def file.
634 Thu May 14 16:30:47 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
636 * eh-common.h: New file for basic EH data structures.
637 * except.h: Various prototypes and structures for NEW_EH_MODEL
638 * function.h (struct function): Add a struct eh_stack for the catch
640 * except.c (gen_exception_label): New function to generate an
642 (push_eh_entry): Use gen_exception_label() and init 'label_used' field.
643 (push_entry): New function to push an existing entry onto a stack.
644 (receive_exception_label): New function to emit the code required
645 at the start of all catch blocks.
646 (struct func_eh_entry): New structure for maintaining handlers
647 associated with EH regions.
648 (new_eh_region_entry): New function to register an EH region.
649 (add_new_handler): New function to register a handler with a region.
650 (get_new_handler): Creates anew handler entry for registering.
651 (find_func_region): New function to convert a NOTE eh region number
652 to an Eh region index.
653 (get_first_handler): New function to get the first handler in a region.
654 (clear_function_eh_region): New function to release memory.
655 (duplicate_handlers): New function to duplicate a list of handlers.
656 (expand_eh_region_end): Create a new region entry node as well.
657 (expand_leftover_cleanups): Call receive_exception_label() and
658 register the cleanup as a handler to the current region.
659 (expand_start_catch): New function to start a catch clause.
660 (expand_end_catch): New function to end a catch clause.
661 (expand_start_all_catch): restructure to not do the equivilent of
662 what expand_start_catch() does now. Push the exception region being
663 handled onto the catch stack.
664 (output_exception_table_entry): Issue an entry for each handler
665 associated with a region.
666 (set_exception_lang_code): New function for setting the language code.
667 (set_exception_version_code): New function to set the version number.
668 (output_exception_table): Output version and language codes.
669 (find_exception_handler_labels): Find handler labels using new scheme.
670 (is_exception_handler_label): New function, returns 1 if label is
671 present as a handler in some exception region.
672 (check_exception_handler_labels): Use the new scheme.
673 (init_eh_for_function): Initialize the catch stack.
674 (save_eh_status): Save the catch stack.
675 (restore_eh_status): Restore the catch stack.
676 (scan_region): Don't remove unreferenced handler label. Flow does it.
677 (get_reg_for_handler): New function to get the eh_context pointer
679 (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only.
680 * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table
681 entry when processing END region rather that START region.
682 * flow.c (find_basic_blocks_1): Find all potential handler regions
683 now that we don't automatically know what the labels might be.
684 Let scan_region() remove unreferenced EH BEGIN/END labels.
685 * integrate.c (get_label_from_map): Put inlined labels onto the
686 permanent obstack since we dont know which ones might be exception
688 (save_for_inline_copying): Make new copies of all the handlers.
689 (expand_inline_function): Make new copies of all the handlers.
690 * libgcc2.c: Remove local struct decls, and include eh-common.h.
691 (find_exception_handler): With NEW_EH_MODEL the first matching
692 region we find is the right one. Add eh_info as a new parameter.
693 (__throw): Pass eh_info to find_exception_handler. Set handler
694 and pass use different regs under NEW_EH_MODEL.
696 Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com>
698 * i960.h (hard_regno_mode_ok): Changed to function from array of
700 (HARD_REGNO_MODE_OK): Call function instead of testing bit.
701 * i960.c (hard_regno_mode_ok): Changed to function from array of
704 Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
706 * reload.c (remove_replacements): New function.
707 * reload.h (remove_replacements): Declare.
708 * reload1.c (choose_reload_regs): Disable some reloads that
709 belong to inherited reloads.
711 Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
713 * loop.c (scan_loop): Don't call move_moveables for optimize_size.
715 * reload1.c (merge_assigned_reloads): When merging, reset
716 reload_spill_index for the eliminated reload.
718 Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com)
720 * haifa-sched.c (schedule_insns): Fix merge goof.
722 1998-05-13 Jim Wilson <wilson@cygnus.com>
724 * varasm.c (make_decl_rtl): Revert April 1 change.
725 * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
726 m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
727 Get function name from the SYMBOL_REF in the DECL_RTL, not from
729 * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
732 Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com>
734 * i386.c (notice_update_cc, output_float_compare): Disable
735 TARGET_CMOVE support.
737 Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com>
738 Jeff Law <law@cygnus.com>
740 * rtlanal.c (find_reg_note): Ignore notes that are not on on
742 (find_regno_note): Likewise.
744 * Makefile.in (stor-layout.o): Depend on except.h
745 (varasm.o, function.o): Likewise.
746 (expr.o): Depend on except.h, modemap.def and hard-reg-set.h.
748 * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
749 (rtl.o, emit-rtl.o): Add dependency on bitmap.h.
750 ($(HOST_PREFIX_1)rtl.o): Likewise.
751 ($(HOST_PREFIX_1)bitmap.o): New host object.
752 * emit-rtl.c (toplevel): Include bitmap.h.
753 (gen_rtx): Handle 't' and 'b' nodes.
754 * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
755 Print block number for block begin/end notes. Print 't' type
756 nodes as a pointer. Know that the 3rd argument of live range
757 start/stop notes is really a range_info rtx. If type is 'b', print
758 out argument as a bitmap.
759 * rtl.c: Include bitmap.c.
760 (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
761 (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
762 * rtl.def (RANGE_LIVE): New node to hold live information while we
763 recalculate the basic blocks.
764 (RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
765 (RANGE_VAR): New node, to hold information saved in symbol node for New
766 communicating live range information to the debug output functions.
767 * rtl.h (rtunion_def): Add rttree and rtbit fields.
768 (XBITMAP, XTREE): New accessor macros.
769 (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
770 (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
771 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
772 (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
773 (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
774 (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
775 (RANGE_INFO_*): Likewise.
776 * sched.c (sched_analyze): Keep live range start/stop notes.
777 (unlink_other_notes): Likewise.
778 * haifa-sched.c (sched_analyze): Keep live range start/stop notes.
779 (unlink_other_notes): Likewise.
780 * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
781 (BLOCK_LIVE_RANGE_FLAG): Likewise.
782 (DECL_LIVE_RANGE_RTL): Likewise.
783 (struct tree_block): Add live_range_flag, live_range_var_flag,
784 live_range_start and live_range_end.
785 (struct tree_decl): Add live_range_rtl field.
786 * gengenrtl.c (type_from_format): Handle 'b' and 't'.
787 (accessor_from_format): Likewise.
789 * haifa-sched.c (schedule_block): Make verbose output line up.
790 Also add a blank line in printing the individual ready lists.
792 Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
794 * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
795 (c-lex.o): Depend on output.h.
796 (c-common.o): Likewise.
799 (integrate.o): Depend on toplev.h.
800 (regclass.o): Depend on output.h.
801 (final.o): Depend on reload.h.
803 * c-common.c: Include output.h.
804 (check_format_info): Remove unused variable `integral_format'.
806 * c-decl.c (print_lang_decl): Mark parameters `file', `node' and
807 `indent' with ATTRIBUTE_UNUSED.
808 (print_lang_type): Likewise.
809 (maybe_build_cleanup): Likewise for parameter `decl'.
810 (copy_lang_decl): Likewise for parameter `node'.
812 * c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
813 (lang_print_xnode): Mark parameters `file', `node' and `indent'
814 with ATTRIBUTE_UNUSED.
815 (lookup_interface): Likewise for parameter `arg'.
816 (is_class_name): Likewise.
817 (maybe_objc_check_decl): Likewise for parameter `decl'.
818 (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
820 (maybe_objc_method_name): Likewise for parameter `decl'.
821 (build_objc_string): Likewise for parameters `len' and `str'.
823 * c-lex.c: Include output.h.
825 * c-lex.h (position_after_white_space): Correct typo in prototype.
827 * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
828 c_expand_end_cond, init_iterators): Add prototypes.
830 * caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
831 with ATTRIBUTE_UNUSED.
833 * calls.c: Include output.h.
835 * cccp.c (pipe_closed): Mark parameter `signo' with
838 * combine.c: Move inclusion of expr.h to after insn-config.h.
840 * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
841 as empty, rather define as ((void)0).
843 * sparc.c (sparc_check_64): Add braces around ambiguous `else'.
844 Add parentheses around assignment used as truth value.
846 * cplus-dem.c (squangle_mop_up): Change return type to void.
847 (internal_cplus_demangle): Remove unused parameter `options'.
849 (cplus_demangle_opname): Remove function wide variable `int i' and
850 replace with `size_t i' at each location where it is used.
851 (cplus_demangle_opname): change type of `i' from int to size_t.
853 * cppexp.c (right_shift): Mark parameter `pfile' with
856 * cpphash.c (cpp_lookup): Likewise.
857 (cpp_hash_cleanup): Likewise.
859 * cpplib.c (parse_name): Add a prototype and make it static.
860 (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
861 (null_cleanup): Likewise for parameters `pbuf' and `pfile'.
862 (macro_cleanup): Likewise for parameter `pfile'.
863 (file_cleanup): Likewise.
865 * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
866 cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
868 * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
869 __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
871 * cse.c (cse_check_loop_start): Mark parameter `set' with
874 * dbxout.c (flag_minimal_debug, have_used_extensions,
875 source_label_number): Move inside macro wrapper check against
876 defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
878 * dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
880 * except.h (doing_eh): Provide prototype.
882 * expr.c: Move inclusion of expr.h to after insn-config.h.
884 * final.c: Include reload.h.
885 (shorten_branches): Cast the first argument of bzero to char *.
887 * fix-header.c (cpp_print_containing_files): Mark parameter
888 `pfile' with ATTRIBUTE_UNUSED.
889 (cpp_fatal): Likewise.
891 * flow.c (find_basic_blocks_1): Cast the first argument of bzero
894 * genattrtab.c (make_length_attrs): Change the type of variable
895 `i' from int to size_t.
896 (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
899 * genextract.c (main): When generating insn-extract.c, mark
900 variable `junk' with ATTRIBUTE_UNUSED.
902 * gengenrtl.c (gencode): When generating genrtl.c, cast the first
903 argument of bzero to char*.
905 * integrate.c: Include toplev.h.
907 * libgcc2.c: Wrap `struct exception_table' and
908 `find_exception_handler' in macro DWARF2_UNWIND_INFO.
910 * objc/Make-lang.in (objc-act.o): Depend on toplev.h.
912 * objc/objc-act.c: Include toplev.h.
913 (lang_print_xnode): Mark parameters `file', `node' and `indent'
914 with ATTRIBUTE_UNUSED.
915 (finish_protocol): Likewise for parameter `protocol'.
917 * output.h (declare_weak): Add prototype.
918 (decode_reg_name): Don't wrap with TREE_CODE macro.
919 (assemble_alias): Add prototype.
921 * regclass.c: Include output.h.
923 * reload.h (reloads_conflict): Add prototype.
925 * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
926 output_func_start_profiler): Add prototypes.
928 * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
931 * scan-decls.c: Include scan.h.
933 * scan.h (recognized_function, recognized_extern): Add prototypes.
935 * stmt.c: Include output.h.
937 * toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
938 (output_lang_identify): Hide prototype and definition.
939 (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
940 (pipe_closed): Likewise.
942 * toplev.h (count_error, strip_off_ending, error_for_asm,
943 warning_for_asm): Add prototypes.
945 Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com>
947 * toplev.c (rest_of_compilation): "Charge" final for any time
948 doing various cleanup operations after finishing compilation
951 * flow.c (dump_flow_info): Also print number of sets and
952 whether or not the pseudo is a user variable.
954 * flow.c (reg_n_max): New global variable.
955 * regclass.c (allocate_reg_info): Keep reg_n_max up to date.
956 Delete regno_max variable.
957 * regs.h (REG_N_CHECK): Define.
958 (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK.
959 (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise.
960 (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise.
962 Wed May 13 12:54:19 1998 Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>
964 * acconfig.h (ENABLE_CHECKING): Undefine.
965 * configure.in (--enable-checking): New option.
967 Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
969 * reload1.c (merge_assigned_reloads): Can merge
970 RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even
971 if RELOAD_FOR_INPUT with the same reload_reg_rtx is present.
973 Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com>
975 * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST.
977 Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
979 * reload1.c (gen_reload): Create REG_EQUIV notes.
981 Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
983 * reload1.c (reload): Fix check for USEs to use code of pattern.
984 (choose_reload_regs): Remove dead variable use_insn.
986 Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com)
988 * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes.
990 Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com>
992 * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless
994 (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline.
995 (insn_{unit,issue_delay}): Ditto.
996 (blockage_range): Ditto.
997 (actual_hazard{,_this_instance}): Ditto.
998 (schedule_unit): Ditto.
999 (potential_hazard): Ditto.
1002 (queue_insn): Ditto.
1003 (birthing_insn_p): Ditto.
1004 (adjust_priority): Ditto.
1005 (get_block_head_tail): Ditto.
1006 (init_rgn_data_dependences): Ditto.
1008 Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de>
1010 * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define.
1012 Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com>
1014 * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.
1016 Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com>
1018 * config/mips/mips.md (dslot): Move after definition of "cpu"
1019 attribute. Handle r3900 case.
1021 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1023 * system.h: Define the STRINGIFY macro here.
1024 * protoize.c: Not here.
1025 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
1027 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
1029 * varasm.c (assemble_variable): Compute the alignment of the data
1030 earlier so that both initialized and uninitialized variables are
1031 effected by DATA_ALIGNMENT.
1032 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
1034 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
1036 * mips.c: Prototype static functions.
1038 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
1040 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
1041 Add explanatory comments.
1043 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
1045 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
1047 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
1049 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
1051 * varasm.c (make_decl_rtl): Disable April 1 change.
1053 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
1055 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
1057 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
1059 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
1060 * alpha.c (print_operand): Handle it.
1061 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
1062 related define_splits. Also add peepholes for SImode reload
1063 plus sign_extend lossage.
1065 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1067 * genattr.c: Include stdarg.h/varargs.h. Change function
1068 `fatal' to use variable arguments instead of faking it with
1069 integer parameters. Provide a prototype which also
1070 checks the format specifiers using ATTRIBUTE_PRINTF_1.
1072 * genattrtab.c: Likewise.
1073 * gencodes.c: Likewise.
1074 * genconfig.c: Likewise.
1075 * genemit.c: Likewise.
1076 * genextract.c: Likewise.
1077 * genflags.c: Likewise.
1078 * genopinit.c: Likewise.
1079 * genpeep.c: Likewise.
1080 * genrecog.c: Likewise.
1081 * genoutput.c: Likewise. Similarly for function `error'.
1083 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1085 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
1086 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
1087 * configure.in: Use GCC_C_VOLATILE.
1088 * system.h (volatile): Define as empty if no volatile support is
1091 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
1093 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
1096 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
1098 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
1099 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
1100 the body of beq; additionally set the mode of the branch to CCmode for
1101 FP compares and not fast_math.
1102 (alpha_emit_conditional_move): Always use a compare insn for FP
1103 when not fast_math, as well as setting CCmode on the cmov.
1104 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
1106 * machmode.h (COMPLEX_MODE_P): New macro.
1108 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
1110 * haifa-sched.c (print_exp): Fix typo.
1112 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
1114 * version.c: Bump for snapshot.
1116 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
1118 * final.c (final_scan_insn): Call fatal_insn instead of abort if
1119 we could not split an insn when required to.
1121 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
1123 (peepholes): Disable peepholes that call dead_or_set_p.
1124 (movsi): Rewrite to handle addresses better after last change.
1125 Add define_split to split load of addresses in large/medium modes.
1126 (prologue): Call m32r_expand_prologue.
1127 (movsi_{push,pop}): Generators for push/pop.
1128 (movsi): Support PRE_{INC,DEC}, POST_INC.
1129 (mov{di,df}): Rewrite. Always split the insns.
1130 (movsf): Add define_split to get register load in correct mode.
1131 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
1132 (attributes): Rewrite attributes so that type indicates both the
1133 type and the length of the insn directly.
1134 (all insns): Change to use new type attributes.
1135 (debug): New attribute to convey whether -mdebug was used.
1136 (opt_space): New attribute to convey whether -Os was used.
1137 (function units): Loads are 3 cycles, not 2. Better classify all
1138 insns into short/long.
1139 (load/store/extend insns): Add separate case for load/store
1140 indirect operations without an offset.
1141 (divsi3): Division is a long operation, not short.
1143 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
1145 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
1146 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
1147 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
1148 operands with PRE_{INC,DEC}, POST_INC.
1149 (FUNCTION_PROFILER): Call abort instead of doing nothing.
1150 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
1152 (gen_split_move_double): Declare.
1153 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
1155 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
1156 emit_move_insn, build up SET's directly.
1157 (toplevel): Include system.h, not stdio.h.
1158 (move_double_src_operand): Allow any DF or DI mode constant.
1159 (gen_split_move_double): Split moves of DI or DF values into the
1160 appropriate moves, loads, or stores. Don't handle use of auto
1161 inc/dec if using dead index. Do handle overlapping moves, etc.
1162 (m32r_frame_info): Remove prologue_size field.
1163 (m32r_compute_frame_size): Don't calculate prologue size.
1164 (m32r_output_function_prologue): Change to pretty much a NOP.
1165 (m32r_expand_prologue): Expand prologue as a series of INSNs.
1166 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
1167 (m32r_print_operand_address): Ditto.
1169 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
1171 * reload1.c (emit_reload_insns): When performing expensive
1172 optimizations, do not output the last reload insn if OLD is
1173 not the dest of NSN and is in the src and is clobbered by INSN.
1175 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1177 * Makefile.in (genrtl.o): Depend on system.h.
1178 * gengenrtl.c (gencode): When creating genrtl.c, have it
1181 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1183 * config/m68k/t-linux: Remove extra stuff already included in
1186 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
1188 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
1189 curses.h if it contains `typedef char bool;', as suggested by
1190 Manfred Hollstein <manfred@s-direktnet.de>.
1192 * configure.in: Rename fixinc.math to fixinc.wrap.
1194 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
1196 * gcc.c (read_specs): Handle missing blank line at end of specs file.
1198 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
1199 movdfcc_1): Disable.
1201 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
1203 * configure.in (enable_threads): Rename to enable_threads_flag before
1204 main loop. Set enable_threads to enable_threads_flag inside main
1207 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
1209 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
1212 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1214 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
1216 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
1217 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
1218 (AC_CHECK_FUNCS): Remove unused check for vprintf.
1220 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
1221 (cccp.o): Depend on gansidecl.h.
1224 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
1225 per the rest of gcc source.
1226 * cexp.y: Likewise. Include gansidecl.h and remove all code made
1229 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
1230 used when vfprintf is missing.
1233 * genattrtab.c: Likewise.
1234 * mips-tfile.c: Likewise.
1235 * toplev.c: Likewise.
1237 * vfprintf.c: New file.
1238 * doprint.c: New file.
1240 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
1242 * config/linux.h (ASM_COMMENT_START): Remove from here,
1243 * config/linux-aout.h (ASM_COMMENT_START): and here,
1244 * config/i386/linux.h (ASM_COMMENT_START): to here,
1245 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
1246 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
1249 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1251 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
1254 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
1256 * Makefile.in (dwarfout.o) Add toplev.h dependency.
1257 * dwarfout.c, i386.c: Include toplev.h
1258 * toplev.h: (pfatal_with_name) Add prototype.
1260 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
1262 * Makefile.in: Fix .SUFFIXES.
1264 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
1266 * config/linux.h (ASM_COMMENT_START): Define as "#".
1267 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
1269 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
1271 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
1272 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
1274 * toplev.c: Include toplev.h.
1275 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
1276 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
1277 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
1278 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
1279 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
1280 toplev.h dependency.
1282 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
1283 HARD_FRAME_POINTER_REGNUM.
1285 * expr.c (target_temp_slot_level): Delete duplicate definition.
1287 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
1289 * stmt.c (mark_seen_cases): Make it have external linkage again.
1290 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
1293 * haifa-sched.c (print_value, case SUBREG): Fix typo.
1295 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
1296 * i386.h (REG_CLASS_CONTENTS): Similarly.
1298 * toplev.c (-fsched-max): Delete flag.
1299 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
1300 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
1301 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
1304 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
1305 inner loops which are not reducible.
1307 * loop.c (regs_match_p): Fix typo in prototype.
1309 * regmove.c (try_auto_increment): Wrap declaration inside an
1310 #ifdef AUTO_INC_DEC.
1312 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
1314 * final.c (output_operand_lossage): Call fatal with the operand
1315 lossage message instead of calling abort.
1317 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1319 * c-common.c: Convert to using ctype macros defined in system.h.
1320 * c-lex.c: Likewise.
1322 * collect2.c: Likewise.
1323 * rs6000.c: Likewise.
1324 * cpplib.c: Likewise.
1325 * fix-header.c: Likewise.
1327 * gen-protos.c: Likewise.
1328 * pexecute.c: Likewise.
1329 * protoize.c: Likewise.
1333 * tlink.c: Likewise.
1334 * toplev.c: Likewise.
1336 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
1338 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
1339 Replace -gdwarf-2 with -g0.
1341 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1343 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
1344 * mips-tdump.c: Include system.h, remove redundant headers.
1345 * mips-tfile.c: Likewise. Also, convert all ctype function calls
1346 to calls of the macro versions defined in system.h.
1348 * objc/Make-lang.in (objc-act.o): Depend on system.h.
1349 * objc/objc-act.c: Include system.h, remove redundant headers.
1351 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1353 * configure.in (AC_CHECK_FUNCS): Add isascii.
1354 (GCC_NEED_DECLARATIONS): Add atof.
1356 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
1357 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
1359 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1361 * system.h: Wrap time.h and sys/file.h in autoconf checks.
1362 Provide default definitions for O_RDONLY and O_WRONLY here.
1364 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
1366 1998-05-06 Mark Mitchell <mmitchell@usa.net>
1368 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
1370 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
1372 * toplev.h: New file. Protypes for functions in toplev.c.
1373 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
1374 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
1375 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
1376 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
1377 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
1378 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
1379 varasm.c: include it.
1381 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
1382 Jim Wilson (wilson@cygnus.com)
1384 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
1385 blocks. Check for 1 successor which is the EXIT_BLOCK.
1387 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
1388 unreachable loops with more than one block.
1390 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
1392 * fix-header.c (write_rbrac): Add "abort" to functions which need to
1395 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
1397 * Check in merge from gcc2. See ChangeLog.12 for details.
1399 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
1401 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
1402 accept 'a' flag. 'S' does accept 'a' flag.
1403 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
1406 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
1408 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1410 * config/m68k/m68k.h: Declare functions from m68k.c used in
1411 macros and machine description.
1412 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
1414 (ASM_OUTPUT_FLOAT): Likewise.
1415 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
1417 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
1419 * tree.def: Add NAMESPACE_DECL.
1420 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
1421 * dwarf2out.c (push_decl_scope): Likewise.
1422 (scope_die_for): Likewise.
1423 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
1424 how to get next context level.
1426 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
1428 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
1431 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
1433 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
1435 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
1436 for any insns skipped at the start of a block because they were
1439 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
1441 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
1443 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
1445 * c-common.c (format_char_info): Add new field hhlen.
1446 (print_char_table, scan_char_table, time_char_table): Initialize
1447 hhlen field appropriately.
1448 (char_format_info): Recognize hh modifier and lookup correct char
1451 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
1453 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
1454 reference if this is a store.
1456 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
1458 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
1460 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
1462 Make UnixWare 7 bootstrap support work with final shipping product.
1463 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
1464 Pick up xm-siglist and xm-alloca.
1465 (xm_defines): Add USG so dbxout will build.
1466 * configure: Regenerate.
1468 Sun May 3 13:51:34 PDT 1998 Richard Henerson <rth@cygnus.com>
1470 Support for official Sparc V9 ABI:
1471 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
1472 Care for flag_pcc_struct_return default.
1473 (output_move_quad): Rewrite to move by halves on v9 and in the
1475 (move_quad_direction): New function.
1476 (output_fp_move_quad): Use it to determine the direction of copy.
1477 (function_arg_slotno): Return -1 for FP reg overflow as well.
1478 (function_arg_record_value*): New functions.
1479 (function_arg): Use them. Streamline unprototyped parameter passing.
1480 (function_arg_pass_by_reference): Pass TCmode by reference.
1481 (function_value): New function.
1482 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
1483 long long in 64-bit mode.
1484 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
1485 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
1486 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
1487 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
1488 (BASE_INCOMING_ARG_REG): Likewise.
1489 (FUNCTION_VALUE): Call function_value.
1490 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
1491 * sparc.md (movdi_sp32_v9): Disable for arch64.
1492 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
1493 (call_value_address_sp64): Remove register class constraints.
1494 (call_value_symbolic_sp64): Likewise.
1495 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
1496 v9 case to 32-bit constants.
1497 (goto_handler_and_restore_v9): Provide a version for arch64.
1498 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
1499 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
1500 (CPP_PREDEFINES): New.
1501 * sparc/sp64-elf.h: Likewise.
1502 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
1503 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
1504 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
1506 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
1508 * version.c: Bump for snapshot.
1510 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1512 * reload.c (find_reloads): Emit USEs to mark where a pseudo
1513 is reloaded with the MEM of its stack slot.
1514 * reload1.c (cannot_omit_stores): Delete.
1515 (reload): Don't initialize it.
1516 Don't apply avoid_return_reg logic to USEs.
1517 When done, remove USEs that have a REG_EQUAL note on them.
1518 (emit_reload_insns): Handle case where we have inherited a MEM.
1519 (choose_reload_regs): Likewise.
1520 (delete_output_reload): Don't use cannot_omit_stores.
1522 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
1524 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
1526 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
1528 * haifa-sched.c (print_{exp,value}): Various changes to make the
1529 debug output easier to read. Also, use only one buffer, and make
1530 sure the buffer we are passed in doesn't overflow.
1531 (safe_concat): Concatenate to a buffer without overflow.
1533 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1535 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
1538 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1540 * sched.c (new_insn_dead_notes): Check if the register was
1541 used in the original instruction.
1542 * haifa-sched.c (new_insn_dead_notes): Likewise.
1544 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
1546 * dwarf2out.c (scope_die_for): If could not find proper scope,
1547 check for and handle tagged type with incorrect TYPE_CONTEXT.
1549 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
1551 * calls.c (expand_call): Fix recognition of C++ operator new.
1553 * alias.c (mode_alias_check): Disable type based alias detection.
1555 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
1557 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
1558 ASM_OUTPUT_WEAK_ALIAS): Define.
1559 * config/mips/elf64.h: Same.
1560 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
1561 ASM_WEAKEN_LABEL): Removed.
1563 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1565 * calls.c (expand_call): Bump the length limit on the specially
1566 recognized function names to 17.
1568 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
1570 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
1571 when undefining macros at the end.
1573 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
1574 val or len has TREE_SIDE_EFFECTS set.
1576 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
1577 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
1578 (smuldi3_highpart): Call const v8plus routine.
1579 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
1580 (const_smulsi3_highpart_v8plus): New pattern.
1581 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
1582 (umulsidi3): Call const v8plus routine.
1583 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
1585 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
1586 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
1588 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
1590 * m32r.c (*_oper{and|ator}): Change enum arguments and return
1591 values to int, so they can be prototyped even in files that don't
1593 ({small,large}_insn_p): Ditto.
1594 (m32r_select_cc_mode): Ditto.
1595 (gen_compare): Ditto.
1596 (function_arg_partial_nregs): Ditto.
1597 (m32r_setup_incoming_varargs): Ditto.
1598 (init_reg_tables): Add prototype.
1599 (m32r_frame_info): Add prolog_size field.
1600 (m32r_compute_frame_size): Calculate the size of the prologue.
1601 (m32r_first_insn_address): Return prologue size.
1602 (m32r_output_function_prologue): Calculate frame size before
1603 printing out information. Print out the prologue size.
1605 * m32r.h: Prototype all functions in m32r.c.
1606 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
1608 * m32r.md (bcc functions): Cast enum's to int.
1610 * m32r.c (conditional_move_operand): Silence a debug message.
1611 ({small,long}_insn): New predicates.
1613 * m32r.h (TARGET_M32R): New macro.
1614 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
1615 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
1617 (ISSUE_RATE): Define as 2.
1619 * m32r.md (insn_size): New attribute.
1620 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
1622 (m32r): New attribute.
1624 * configure.in (enable_haifa): Switch m32r to Haifa by default.
1625 * configure: Regenerate.
1627 (Changes from Nick Clifton <nickc@cygnus.com>)
1628 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
1629 the equivalent of a negated 'I' constraint.
1630 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
1631 optimisation to work.
1633 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
1634 than 'I' since the value is negated.
1635 (peephole): Add peephole optimisation to cope with optimization of
1636 divide and subtracts of the same operands.
1638 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
1642 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
1645 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
1647 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
1649 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
1651 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
1652 frame_pointer_rtx not FRAME_POINTER_REGNUM.
1654 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
1656 * reg-stack.c: Revert last patch (Apr 20).
1657 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
1659 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
1661 * loop.c (check_dbra_loop): New locals jump, first_compare, and
1662 compare_and_branch. Call get_condition to set first_compare.
1663 Set compare_and_branch to number of compare/branch instructions.
1664 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
1665 Replace '2' with compare_and_branch.
1667 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1669 * cplus-dem.c (demangle_qualified): Replace missing else.
1671 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1673 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
1675 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1677 * sh.c (sh_expand_prologue, sh_expand_epilogue):
1678 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
1679 * sh.h (STACK_BOUNDARY): Likewise.
1681 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1683 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1685 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
1687 * system.h (abort): If abort is not defined, and neither is
1688 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
1689 reporting the line and filename of the error.
1691 * .gdbinit: Add breakpoints on exit and fancy_abort.
1693 * final.c (split_double): Avoid a compiler warning if
1694 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
1696 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
1697 for calling jump_optimize.
1699 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
1700 macros, rather than 0/1's.
1702 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
1704 * alpha.h (CONST_COSTS): Zero is always free.
1705 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
1707 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1709 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
1710 length in the name of a virtual table.
1712 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
1714 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
1716 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
1718 * version.c: Bump for snapshot.
1720 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
1722 * fold-const.c (fold_convert): Fix typo.
1724 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
1726 * alias.c (alias_invariant): New variable.
1727 (record_base_value): New argument INVARIANT.
1728 (memrefs_conflict_p): If a register has an entry in the alias_invariant
1729 array, try substituting that value for the register.
1731 * rtl.h: Declare record_base_value.
1733 * loop.c, unroll.c: Update callers of record_base_value.
1735 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
1736 ZERO_EXTEND do not affect base values.
1738 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
1740 * dbxout.c (dbxout_type): Fix typo.
1741 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
1743 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
1745 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
1747 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
1748 if the argument is the address of a structure or array.
1750 * configure.in: Enable Haifa scheduler by default for SPARC.
1752 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1754 * cse.c (cse_set_around_loop): Don't do optimization when
1755 new pseudos are created.
1757 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
1759 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
1761 (dbxout_type_method_1, dbxout_type): Likewise.
1762 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
1763 (dbxout_type): Fix check for when to print a type range in
1766 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1768 * (gen_shl_and, in case 1): Fix comparison with mask.
1770 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
1772 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
1773 pointer as second register in REG+REG pair.
1775 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1777 * c-common.c (check_format_info): Don't check for the 'x' format
1778 character twice, instead check for 'x' and 'X'
1780 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
1782 * Makefile.in (libgcc2.ready): Add explicit dependancy from
1783 $(STMP_FIXPROTO) to ensure all necessary include files have
1784 been created and to guarantee proper parallel builds.
1786 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1788 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
1789 register for stdarg functions.
1790 * sh.h (current_function_varargs): Declare.
1791 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
1793 1998-04-23 Jim Wilson <wilson@cygnus.com>
1795 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
1796 inhibit_libc is defined.
1798 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
1800 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
1802 * profile.c (tablejump_entry_p): New function.
1803 (branch_prob): Add code to recognize MIPS tablejump entry branch.
1804 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
1806 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
1808 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
1809 found, rather than at end of the loop, after the insn has been
1812 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1814 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
1815 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
1817 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
1819 * loop.c (note_addr_stored): Correct function to take 2 arguments,
1822 * rtl.def (MATCH_INSN2): Add new matching pattern.
1823 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
1825 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
1827 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
1828 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
1830 * final.c (split_double): Sign extend both halves of a split CONST_INT.
1832 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
1834 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
1836 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1838 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
1839 (cplus_demangle_opname): Call mop_up_squangle.
1840 (cplus_demangle): Initialize squangle info, then call
1841 internal_cplus_demangle. (Most code moved there as well)
1842 (internal_cplus_demangle): New function, performs most of what use
1843 to be done in cplus_demangle, but is only called with this file.
1844 (squangle_mop_up): New function to clean up B and K code data.
1845 (mop_up): set pointers to NULL after freeing.
1846 (demangle_signature, demangle_template, demangle_class): Add
1847 switch elements to handle K and B codes.
1848 (demangle_prefix, gnu_special, demangle_qualified): Add
1849 code to handle K and B codes.
1850 (do_type, demangle_fund_type): Handle B and K codes.
1851 (remember_Ktype): New function to store K info.
1852 (register_Btype, remember_Btype): New functions for B codes.
1853 (forget_B_and_K_types): New function to destroy B and K info.
1855 1998-04-21 Jim Wilson <wilson@cygnus.com>
1857 * stmt.c (check_seenlabel): When search for line number note for
1858 warning, handle case where there is no such note.
1860 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
1862 * genemit.c (gen_exp): Allow machine description to set mode of
1865 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
1867 * alias.c (mode_alias_check): New function.
1868 (true_dependence, anti_dependence, output_dependence): Call
1871 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
1873 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
1874 (MIPS_STACK_ALIGN): Similarly.
1876 * c-common.c (type_for_mode): Handle TI types.
1877 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
1878 (init_decl_processing): Handle TI types.
1879 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
1881 * mips.c (block_move_loop): Test Pmode == DImode instead of
1883 (expand_block_move, save_restore_insns): Likewise.
1884 (function_prologue, mips_expand_prologue): Likewise.
1885 (mips_expand_epilogue): Likewise.
1886 * mips.h (POINTER_SIZE): Allow specific targets to override.
1887 (Pmode): Allow specific targets to override.
1888 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
1889 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
1890 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1891 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
1892 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
1893 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
1894 * mips.md (indirect, tablejump & casesi support): Test for
1895 Pmode == DImode instead of TARGET_MIPS64.
1896 (call patterns): Likewise.
1898 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1900 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
1901 for gen_rtx(MEM, ...).
1903 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
1905 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
1906 to not be so gross, and to properly function with PIC.
1908 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
1910 * frame.c (heapsort): Rename to frame_heapsort.
1912 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
1914 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
1916 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
1918 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
1920 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
1921 operands during and after reload.
1923 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1925 * final.c (shorten_branches, init_insn_lengths): Move code
1926 to free label_align, uid_shuid, insn_lengths, insn_addresses
1927 and uid_align from the former function into the latter one;
1928 Add code to clear these variables.
1929 * sh.h (label_align): Remove declaration.
1931 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
1933 * gcc.c (lang_specific_driver): Declare prototype properly so
1934 fatal can be passed to it without error.
1936 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
1937 * configure: Regenerate.
1938 * config.in: Add #undef's for strchr and strrchr.
1940 * protoize.c (toplevel): If we have rindex, but not strrchr, map
1942 (file_could_be_converted): Use strrchr, not rindex since rindex is
1943 not defined on Linux systems when _POSIX_SOURCE is defined.
1944 (file_normally_convertible): Ditto.
1945 (process_aux_info_file): Ditto.
1948 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
1949 a constant to an integer register, don't split the insns that do
1950 the simple AND and OR operations, rather just split each word, and
1951 let the normal movsi define split handle it further.
1953 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1955 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
1956 (split_branches): Call init_insn_lengths.
1958 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
1960 * i386.c: Include expr.h to get the change_address prototype
1963 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
1965 * reg-stack.c (subst_asm_stack_regs): Change to return the last
1966 new insn generated by this function.
1967 (subst_stack_regs): Likewise.
1968 (convert_regs): Record the last newly generated insn and use
1969 it for change_stack () instead of INSN.
1971 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
1973 * fix-header.c (enum special_file): Undefine enumerators if they
1974 are already defined by include files.
1975 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
1976 macro with '__' to not pollute user namespace.
1978 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
1980 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
1982 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
1984 * version.c: Bump for snapshot.
1986 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
1988 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
1990 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
1991 Add missing -Dpentium* options.
1992 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
1993 instead of CPP_CPU_DEFAULT.
1994 (EXTRA_SPECS): Add entry for cpp_cpu_default.
1996 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
1998 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
1999 negative in a stackless frame.
2000 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
2001 in stackless frame size. Support 64-bit stackless frame size.
2002 Combine fpmem offset calculations and don't add total_size to
2003 offset if not pushing a stack frame.
2005 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
2007 * regmove.c (fixup_match_1): In three places, in flag_exceptions
2008 check, change p to q.
2010 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
2012 * gcc.c (lang_specific_driver): Add new parm type to prototype.
2013 (added_libraries): New file scope static variable.
2014 (process_command): Initialize added_libraries. Pass it to
2015 lang_specific_driver.
2016 (main): Use added_libraries in check for no input files.
2018 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
2020 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
2021 code generation. Use 64 bit instructions in 32 bit mode when
2022 possible. Use V9 return instruction. UltraSPARC optimizations.
2024 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
2026 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
2028 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
2029 just pass zero. That will work regardless of the size of HARD_REG_SET.
2031 * libgcc2.c (__floatdisf): Fix a couple typos.
2033 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
2035 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
2037 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
2039 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
2041 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
2043 * emit-rtl.c (operand_subword_force): If a register can not be
2044 accessed by words, copy it to a pseudo register.
2046 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
2048 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
2050 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
2052 * tree.h (mark_seen_cases): Delete declaration.
2054 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
2056 * stmt.c (mark_seen_cases): Make static and add prototype.
2058 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2060 * frame.c: Include stdlib.h and unistd.h to possibly get various
2061 function prototypes. The fixproto script guarantees these header
2062 files exist on the target system.
2063 * libgcc2.c: Likewise.
2065 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
2066 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
2067 function parameters.
2068 * libgcc2.c (__udiv_w_sdiv): Likewise.
2070 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
2072 * varasm.c (asm_output_bss): Add prototype.
2073 (asm_output_aligned_bss): Likewise.
2075 * unroll.c (verify_addresses): Add prototype.
2077 * toplev.c: Add many prototypes. Too many to mention here.
2079 * stmt.c (check_seenlabel): Add prototype.
2081 * rtlanal.c (reg_set_p_1): Add prototype.
2082 (reg_set_last_1): Likewise.
2084 * reorg.c (find_dead_or_set_registers): Add prototype.
2086 * regmove (try_auto_increment): Add prototype.
2088 * reg-stack.c (pop_stack): Add prototype.
2090 * recog.c (validate_replace_rtx_1): Add prototype.
2091 (find_cosntant_term_loc): Likewise.
2093 * loop.c (regs_patch_p): Add prototype.
2094 (add_label_notes, count_nonfixed_reads): Likewise.
2095 (find_single_use_in_loop): Likewise.
2096 (express_from): Surround prototype with #ifdef.
2097 (giv_sort): Similarly.
2099 * jump.c (mark_modified_reg): Add prototype.
2101 * haifa-sched.c (is_prisky): Add prototype.
2102 (queue_to_ready): Likewise.
2104 * genextract.c (gen_insn): Add prototype.
2106 * genemit.c (max_operand_1): Add prototype.
2107 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
2108 (gen_expand, gen_explit, output_add_clobbers): Likewise.
2109 (output_init_mov_optab): Likewise.
2111 * genattrtab.c (attr_hash_add_rtx): Add prototype.
2112 (attr_hash_add_string, write_length_unit_log): Likewise.
2114 * genattr.c (init_range): Add prototype.
2116 * combine.c (sets_function_arg_p): Add prototype.
2118 * expr.c (store_constructor_field): Add prototype.
2119 (get_memory_usage_from_modifier): Likewise
2121 * expmed.c (synth_mult): Add prototype.
2122 (choose_multiplier, invert_mod2n): Likewise.
2124 * except.c (push_eh_entry): Add prototype.
2125 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
2126 (call_get_eh_context, start_dynamic_cleanup): Likewise.
2127 (start_dynamic_handler, can_throw): Likewise.
2128 (output_exception_table_entry, scan_region): Likewise.
2129 (eh_regs, set_insn_eh_region): Likewise.
2131 * dwarfout.c (decl_class_context): Add prototype.
2132 (output_inheritance_die, type_ok_for_scope): Likewise.
2134 * c-lex.c (skip_white_space_on_line): Add prototype.
2136 * alias.c (record_set): Add prototype.
2137 (find_base_term, base_alias_check): Likewise.
2139 * function.c (assign_outer_stack_local): Make static and add prototype.
2141 * haifa-sched.c (build_control_flow): Accept raw data as inputs
2142 instead of computing it locally. Callers changed.
2143 (find_rgns): Several new arguments. Callers changed.
2144 Generally clean up and comment better. Use dominators to
2145 identify reducible loops. Convert some flag arrays to bitmaps.
2146 Convert most of the code to work on pred/succ lists instead of
2147 an edge table. Add comments for future improvements.
2148 (schedule_insns): Allocate temporary tables for flow data, call
2149 routines to compute flow data and pass it along to children as
2151 (debug_control_flow): Delete. Use dump_bb_data instead.
2153 * basic-block.h (compute_dominators): Declare.
2155 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
2157 * basic-block.h: Declare them.
2159 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
2161 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
2164 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
2166 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
2167 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
2168 node is non NULL. Cache last file name and file name identifier node.
2170 1998-04-15 Mark Mitchell <mmitchell@usa.net>
2172 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
2173 the length of an array, not TREE_TYPE.
2175 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
2177 * flow.c (sbitmap_union_of_successors): New function.
2178 * basic-block.h (sbitmap_union_of_successors): Declare it.
2180 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
2182 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
2183 Set gnu_ld to gnu_ld_flag inside main loop.
2186 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
2188 * toplev.c (compile_file): Call init_parse using new interface.
2189 (init_lex): Remove declaration.
2191 * c-lex.c (init_parse): Now returns char* containing filename.
2193 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
2195 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
2197 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
2199 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
2200 (gen{extract,peep,opinit,output}): Ditto.
2202 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
2203 global definition so print-rtl.o can be linked in.
2204 * gen{peep,recog}.c (insn_attr_name): Ditto.
2206 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
2208 * fixincludes: discard empty C++ comments, as found in sys/time.h
2211 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2213 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
2216 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
2218 * emit-rtl.c (operand_subword): Rework slightly to avoid
2219 bogus warning from previous change.
2221 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
2223 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
2224 Nov 8 find_replacement change. Move decls of get_unaligned_address
2225 * alpha.h: ... here.
2227 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
2229 * function.c (assign_parms): Initialize unsignedp before passing
2230 its pointer to promote_mode.
2232 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
2233 (write_test_expr): Allow MATCH_INSN.
2235 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
2237 * install.texi: Update section on warnings that can be safely ignored.
2239 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
2241 * mips.md (reload_outdi): Change the scratch mode from DImode to
2242 TImode. New variable scratch, used instead of operand[2] in template.
2243 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
2245 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
2247 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
2249 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
2251 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
2253 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
2255 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
2256 (ASM_FINISH_DECLARE_OBJECT): Likewise.
2258 * Idea and part of the patch from HJ.
2259 * Makefile.in: auto-host.h renamed from auto-config.h. All references
2261 (distclean): Remove auto-build.h too.
2262 * configure.in: Rename host autoconf generated file to auto-host.h.
2263 If host != build, then run autoconf to generate auto-build.h for
2264 the build machine and include it in build_xm_files.
2265 Check for wait.h and sys/wait.h.
2267 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
2268 TRULY_NOOP_TRUNCATION.
2270 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
2272 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
2274 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
2276 * invoke.texi (ld options) Include memset requirements
2277 for options -nodstdlib and -nodefaultlibs.
2279 1998-04-12 Paul Eggert <eggert@twinsun.com>
2281 This change is from an idea suggested by Arthur David Olson.
2283 * c-common.c (decl_attributes, record_function_format,
2284 check_format_info, init_function_format_info):
2285 Add support for strftime format checking.
2286 (enum format_type): New type.
2287 (record_function_format): Now static, and takes value of type
2288 enum format_type instead of int.
2289 (time_char_table): New constant.
2290 (struct function_format_info): format_type member renamed from is_scan.
2291 (check_format_info): Use `warning' rather than sprintf followed by
2292 `warning', to avoid mishandling `%' in warnings.
2293 Change `pedwarn' to `warning', since these warnings do not necessarily
2294 mean the program does not conform to the C Standard, as the code
2295 need not be executed.
2297 * c-tree.h (record_function_format): Remove decl; no longer extern.
2299 * extend.texi: Add documentation for strftime format checking.
2301 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
2303 * mips/ecoffl.h: Do not include mips.h.
2304 * mips/elf.h: Likewise.
2306 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
2307 * mips/ecoff.h: Include "mips/mips.h".
2309 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
2311 * version.c: Bump for snapshot.
2313 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
2315 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
2316 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
2317 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
2318 between loop optimization passes.
2319 * rtl.h: Updated appropriately.
2321 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
2323 Reinstall this patch from Jason.
2324 * function.c (push_function_context_to): Don't call init_emit.
2326 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
2328 * rtl.c (read_skip_spaces): Prevent infinite loops upon
2329 encountering unterminated comments.
2331 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
2333 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
2336 * configure.in: Handle --with-fast-fixincludes.
2337 (fixincludes): If --with-fast-fixincludes, then use a different
2338 fixincludes program by default.
2339 * Makefile.in (fixinc.sh): New rule.
2341 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
2343 * i386.md (movqi+1): Handle invalid QI register.
2344 (movsf_push-1): Likewise.
2346 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
2348 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
2350 symbolic_memort_operand(), call32_operand(), int8_operand(),
2351 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
2353 uint16_operand(): Made static.
2355 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
2357 * calls.c (expand_call): Fix typo.
2359 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
2361 * c-lex.c (finput): New global.
2362 (init_parse): Always included. Handle !USE_CPPLIB using
2363 code originally in compile_file.
2364 (finish_parse): Update for CPPLIB.
2365 * toplev.c (init_parse, finish_parse): Declare.
2366 (finput): Delete variable. Now in front-ends.
2367 (compile_file): Remove code which is now handled by init_parse
2368 which is unconditionally called. Similarly for finish_parse.
2370 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
2372 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
2373 ASM_WEAKEN_LABEL): Add.
2375 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
2377 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
2378 * configure.in (alpha-*-linux*): Use them.
2380 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2382 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
2383 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
2384 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
2385 (build_expr_wfl): New prototype declaration.
2386 * tree.c (build_expr_wfl): New function, to build
2387 EXPR_WITH_FILE_LOCATION nodes.
2388 (copy_node): Don't zero TREE_CHAIN if copying a
2389 EXPR_WITH_FILE_LOCATION node.
2390 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
2391 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
2393 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
2395 * configure.in (v850): Use t-v850.
2396 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
2398 * protoize.c (creat, read, write): Do not declare.
2400 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
2401 refer to the CODE_LABEL before a dispatch table.
2403 * invoke.texi: Add ARC options.
2405 * gcc.c (proces_command): Improve error message for -o with
2408 * i386/x-cygwin32 (CLIB): Link in advapi32.
2410 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
2411 (ASM_IDENTIFY_LANGUAGE): Likewise.
2413 * i386.md (movqi recognizer): Don't perfom byte increment into
2416 * configure.in (x86-dg-dgux): Run fixinc.dgux.
2418 * i370.h: Fix typo in GEN_INT changes.
2420 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
2421 of an empty arglist in prototype.
2423 * Makefile.in: Remove bytecode crud that crept back in after the
2426 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
2428 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
2429 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
2431 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
2433 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2435 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
2437 * c-lex.c (is_class_name): Delete declaration.
2438 (whitespace_cr): Make static and add prototype.
2439 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
2440 yylex, get_directive_line): Turn declarations into prototypes.
2441 (position_after_whitespace, check_newline, yyerror,, is_class_name,
2442 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
2444 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
2446 * gencodes.c (gen_insn): Add prototype.
2447 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
2448 gen_peephole): Add prototypes.
2449 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
2451 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
2452 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
2453 genheader, gencode): Add prototypes.
2454 * genopinit.c (gen_insn): Add prototype.
2455 * genoutput.c (output_prologue, output_epilogue, scan_operands,
2456 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
2457 gen_expand, gen_split, n_occurrences): Add prototypes.
2458 * genpeep.c (gen_peephole): Add prototype.
2459 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
2460 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
2461 labels_in_range_p, count_loop_regs_set, note_addr_stored,
2462 loop_reg_used_before_p, scan_loop, replace_call_address,
2463 skip_consec_insns, libcall_benefit, ignore_some_movables,
2464 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
2465 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
2466 check_final_value, record_giv, update_giv_derive, basic_induction_var,
2467 simplify_giv_expr, general_induction_var, consec_sets_giv,
2468 check_dbra_loop, express_from, combine_givs_p, combine_givs,
2469 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
2470 last_use_this_basic_block, record_initial, update_reg_last_use,
2471 iteration_info, analyze_loop_iterations, insert_bct,
2472 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
2475 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
2477 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2479 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
2481 * config/mips/mips.c (siginfo): Deleted.
2482 (override_options): Don't install SIGINFO signal handler.
2484 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
2486 * loop.c (check_dbra_loop): When normalize comparison_val, add check
2487 to verify it is non-negative.
2489 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
2491 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
2492 (alpha_expand_block_clear): Likewise.
2494 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
2496 * tree.h (sizetype_tab): Fix previous change for K&R.
2498 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
2500 * version.c: Bump for snapshot.
2502 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
2504 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
2505 Add USG and POSIX to xm_defines.
2507 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
2509 * gcc.c: Add linker spec.
2510 (link_command_spec): Use %(linker) instead of ld.
2511 (main): If collect2 is requested as the linker, see if it exists;
2512 if not, use ld instead.
2514 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
2516 (install-collect2): Install as collect2, not ld.
2518 * configure.in(will_use_collect2): It's named collect2 now.
2520 * collect2: Remove checks to see if we were invoked recursively.
2521 (collect_execute): Use _spawnvp under cygwin32.
2523 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
2525 * haifa-sched.c (build_control_flow): Set unreachable for block whose
2526 only predecessor is itself.
2528 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2530 * c-parse.in: Include system.h, and remove stuff now made redundant.
2533 * protoize.c: Likewise. Properly check for cpp stringification.
2535 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
2538 * objc/Make-lang.in (objc-parse.o): Likewise.
2540 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2542 * gansidecl.h: Check if compiler supports __attribute__. Provide
2543 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
2544 __attribute__ when its available. Also provide definitions for
2545 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
2546 terms of ATTRIBUTE_PRINTF.
2548 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
2551 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
2553 * combine.c (can_combine_p): Include successor in volatile test.
2555 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2557 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
2560 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
2562 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
2563 in prototype and definition.
2565 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
2567 * version.c: Bump for snapshot.
2569 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
2571 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
2572 alpha_expand_unaligned_store_words.
2574 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
2576 * i386.md (movsf_push, movsf_mem): Remove.
2577 (movsf_push): Rename from movsf_push_nomove and move in front of
2578 movsf. Use nonmemory_operand predicate and don't bother checking
2580 (movsf_push_memory): New pattern.
2581 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
2582 both operands refer to memory then force operand[1] into a register.
2583 (movsf_normal): Change to unnamed pattern.
2584 Likewise for movdf, movxf, and friends.
2586 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
2588 * version.c: Bump for snapshot.
2590 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
2592 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
2594 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
2596 * configure.in (mips-wrs-vxworks): New target.
2598 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
2600 * expmed.c (synth_mult): The value -1, has no zeros, so it can
2601 never have the form ...011.
2603 * version.c: Bump for snapshot.
2605 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
2607 * i386.c (asm_output_function_prefix, load_pic_register):
2608 Use ASM_GENERATE_INTERNAL_LABEL properly.
2609 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
2610 (print_operand): Ignore it.
2611 (load_pic_register): Use it for the got load call.
2612 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
2613 (prologue_get_pc_and_set_got): Likewise.
2614 * i386.h: Update print_operand docs.
2616 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
2618 * i386.md (ffssi, ffshi): Rewrite as define_expands.
2619 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
2620 * i386.c (notice_update_cc): Recognize unspec 5.
2622 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
2624 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
2625 * alpha.c (print_operand): Handle it.
2626 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
2628 (fix_truncdfdi2): Likewise.
2630 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
2632 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
2633 of these into a single struct, with additional [us]sizetype entries.
2634 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
2635 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
2638 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
2640 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
2642 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
2644 * haifa-sched.c (split_block_insns): Don't supress insn splitting
2645 on subsequent passes.
2647 * alpha.c (hard_fp_register_operand): New function.
2648 * alpha.h (PREDICATE_CODES): Add it.
2649 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
2650 f<-m case and accompanying define_split.
2651 (trapb): Use a unique unspec_volatile number.
2653 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
2655 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
2658 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
2660 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
2663 * haifa-sched.c: Mirror recent changes from gcc2.
2665 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
2667 * Makefile.in (insn*.o): Depend on system.h.
2669 * pa.c (output_global_address): Initialize base.
2670 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
2672 1998-04-03 Mike Stump <mrs@wrs.com>
2674 * gthr.h: Support systems that don't have weak, but have threads.
2675 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
2676 * gthr-vxworks.h: New file.
2677 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
2679 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
2681 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
2683 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
2685 * ginclude/va-i960.h (va_end): Change void * to void.
2687 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2689 * Makefile.in (choose-temp.o): Depend on system.h.
2691 * choose-temp.c: Include system.h when IN_GCC.
2693 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
2694 Richard Henderson <rth@cygnus.com>
2696 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
2697 (move_replacements): New function.
2698 * reload.h: Prototype it.
2700 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
2702 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
2704 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
2707 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
2708 (gen_highpart): Likewise.
2709 * final.c (alter_subreg): Allow the target to hook by-mode subreg
2710 hard register number changes.
2712 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
2714 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
2715 rnbitsize, rnmode and rinner.
2716 (make_range): Initialize type.
2717 (fold): Initialize arg0, arg1 and varop.
2719 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
2721 (expand_function_start): Initialize last_ptr.
2723 * stor-layout.c (layout_record): Initialize desired_align.
2724 (get_best_mode): Initialize unit.
2726 * tree.c (copy_node): Initialize length.
2728 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
2730 * caller-save.c (insert_save_restore): Initialize pat, code and
2733 * emit-rtl.c (push_to_sequence): Initialize top.
2734 (push_topmost_sequence): Likewise.
2736 * genattrtab.c (simplify_by_exploding): Initialize defval.
2738 * profile.c (branch_prob): Initialize dest.
2740 * rtl.h (note_stores): Remove duplicate prototype.
2741 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
2743 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
2744 strings that are not actually lengths.
2746 * genattrtab.c: Make generated file use system.h, instead of
2747 including stdio.h, etc directly.
2748 * genextract.c, genopinit.c, genoutput.c: Likewise.
2749 * genpeep.c, genrecog.c: Likewise
2751 * genoutput.c (process_template): Mark operands in the generated
2752 function as potentially unused if compiling with GNU CC.
2754 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
2756 * pa.md (reload peepholes): Remove unused variable "mode".
2758 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
2760 * config/arm/thumb.h: Add super interworking support.
2761 * config/arm/thumb.c: Add super interworking support.
2762 * config/arm/thumb.md: Add super interworking support.
2763 * config/arm/lib1funcs.asm: Add interworking support.
2764 * config/arm/lib1thumb.asm: Add super interworking support.
2765 * config/arm/t-semi: Add interworking support.
2766 * config/arm/t-thumb: Add interworking support.
2767 * config/arm/README-interworking: New file.
2769 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
2771 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
2772 (MD_STARTFILE_PREFIX): Unset.
2774 1998-04-01 Mark Mitchell <mmitchell@usa.net>
2776 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
2777 entity in a local scope.
2779 * fold-const.c (fold): Call truthvalue_conversion for values which
2780 are folded to boolean type.
2782 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
2784 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
2785 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
2786 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
2787 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
2788 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
2789 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
2790 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
2791 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
2792 * md.texi: Likewise.
2794 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
2796 * fixincludes (limits.h): Fix nested comments in Motorola's
2797 limits.h and sys/limits.h.
2799 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
2801 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
2802 as dest of expand_binop call.
2804 * alpha.md (extzv): Correct check for valid operand[2] values.
2806 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
2809 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
2811 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
2813 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
2814 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
2816 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
2817 cygwin32 can override this to allow both unix and win32 style PATHs.
2819 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
2820 style environment paths.
2822 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2824 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
2825 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
2826 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
2829 * cpphash.c: Include config.h.
2830 * cppalloc.c: Include system.h. Add parameters to various
2831 function prototypes.
2832 * cpperror.c: Likewise.
2833 * cppexp.c: Likewise.
2834 * cpphash.c: Likewise.
2835 * cpplib.c: Likewise.
2836 * cppmain.c: Likewise.
2837 * fix-header.c: Likewise.
2839 * gen-protos.c: Likewise.
2840 * gengenrtl.c: Likewise.
2841 * halfpic.c: Likewise.
2843 * scan-decls.c: Likewise.
2846 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
2848 * README.gnat: Add lang_print_xnode definition.
2850 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2852 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
2853 fmovecr on the 68060.
2855 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
2857 * genemit.c (DONE): Rework so that it works in the true arm if
2858 an if-else conditional.
2861 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
2863 * rs6000.c: Do not include stdioh or ctype.h anymore.
2865 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
2867 (stor-layout.o): Likewise.
2868 * c-typeck.c: Include rtl.h and expr.h.
2869 * stor-layout.c: Likewise.
2871 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
2872 All callers changed.
2873 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
2874 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
2875 All callers changed.
2877 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
2879 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
2881 * tree.h (lang_print_xnode): Provide prototype.
2883 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
2885 * version.c: Bump for snapshot.
2887 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
2889 * objc/sendmsg.c (__objc_block_forward): Add braces for return
2890 value if INVISIBLE_STRUCT_RETURN.
2892 * pa.c (arith_double_operand): Fix parens.
2894 * haifa-sched.c (print_pattern): Correct arg to sprintf.
2896 * Makefile.in (libgcc1.null): Make return type for __foo void.
2898 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
2900 * pa.h: Add declarations for many functions defined in pa.c.
2902 * genpeep.c (main): Remove unused variable 'i' from the generated
2905 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
2906 (gen_split): Likewise.
2907 (main): Rework generated definitions of DONE and FAIL so that they
2908 no longer use gotos. Avoids warnings about unused labels.
2910 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
2911 unused "junk" variable.
2913 * genattrtab.c (write_complex_function): Add a default case in
2914 generated switch statement to keep -W -Wall quiet.
2916 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
2918 * invoke.texi: Document more ARM and Thumb command line options.
2920 * config/arm/xm-thumb.h: New file.
2922 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
2924 * stmt.c (expand_expr_stmt): Must generate code for
2925 statements within an expression (gcc's `({ ... )}')
2926 even if -fsyntax-only.
2928 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2929 Jeffrey A Law (law@cygnus.com)
2931 * basic-block.h (basic_block_computed_jump_target): Declare.
2932 * flags.h: (current_function_has_computed_jump): Declare.
2933 * flow.c: (basic_block_computed_jump_target): Define.
2934 (flow_analysis): Allocate it. Set current_function_has_computed_jump
2936 (find_basic_blocks): Set current_function_has_computed_jump and
2937 elements of basic_block_computed_jump_target to 1 as appropriate.
2938 * function.c: (current_function_has_computed_jump): Define.
2939 * global.c (global_conflicts): Don't allocate pseudos into stack regs
2940 at the start of a block that is reachable by a computed jump.
2941 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
2943 (subst_stack_regs): Undo change from Sep 4 1997.
2944 (uses_reg_or_mem): Now unused, deleted.
2945 * stupid.c (stupid_life_analysis): Compute
2946 current_function_has_computed_jump.
2947 (stupid_find_reg): Don't allocate stack regs if the function has a
2949 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
2950 the current function has a computed jump. Use the global value
2953 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
2955 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
2956 (DWARF2_UNWIND_INFO): Define to zero.
2958 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
2960 * gcc.c (set_std_prefix): Add declaration.
2961 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
2962 suffix, and update the standard prefix prefix.c uses.
2964 * prefix.c (std_prefix): New global to hold default prefix value.
2965 (get_key_value): Change to use std_prefix instead of PREFIX.
2966 (translate_name): Ditto.
2967 (update_path): Ditto.
2968 (get_key_value): Release allocated scratch storage.
2969 (set_std_prefix): New function to reset the standard prefix.
2971 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2973 * sh.c (find_barrier): Fix calculations for alignment increase.
2975 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
2977 * Makefile.in (stmp-fixinc): If we're actually fixing include
2978 files, copy gcc's assert.h into the fixed include dir.
2979 * fixincludes (assert.h): Avoid any attempts to fix a probably
2980 broken system specific assert.h file.
2981 * fixproto (stdlib.h): Make sure, it'll contain a definition of
2984 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
2986 * regclass.c (reg_scan_mark_refs): Be more selective about
2987 when we mark a register with REGNO_POINTER_FLAG.
2989 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2991 reload inheritance improvement:
2992 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
2993 Change meaning: index is now hard reg number.
2994 (reg_reloaded_valid, reg_reloaded_dead): New variables.
2995 (reload_spill_index): Content is now a hard reg number.
2996 (reload_as_needed): Change to fit new variable meaning.
2997 (forget_old_reloads_1, allocate_reload_reg): Likewise.
2998 (choose_reload_regs, emit_reload_insns): Likewise.
3000 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3002 * regclass.c (record_reg_classes): '?' increases cost by two.
3004 * reload.c (find_reloads): Double previous costs. Output
3005 reloads cost one unit extra.
3007 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
3008 boiled down to && ! 0.
3010 * reload.c (find_equiv_reg): Also consider a goal offset from the
3011 frame pointer to be constant.
3013 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3015 * sh.h (OPTIMIZATION_OPTIONS): Define.
3017 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
3019 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
3021 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
3023 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
3025 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
3027 * c-common.c (check_format_info): Initialize type, is_type. New local
3028 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
3029 when pedantic if used with integral format specifier.
3031 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
3033 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
3035 (function_arg_padding): Declare.
3037 * rs6000.c: Include system.h.
3038 (function_arg_padding): Change return type to int, cast enum's to
3041 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
3042 * collect2.c (scan_prog_file): Add explicit braces to avoid
3045 * dbxout.c (dbxout_type_fields): Add braces around empty body in
3047 (dbxout_type): Likewise.
3049 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
3050 `ptt_size' from int to size_t.
3051 (rs6000_file_start): Likewise for `i'.
3052 (rs6000_replace_regno): Add default case in enumeration switch.
3053 (output_epilog): Remove unused variable `i'.
3054 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
3057 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
3059 (get_issue_rate, non_logical_cint_operand): Add prototype.
3060 (rs6000_output_load_toc_table): Ditto.
3062 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
3065 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
3067 * config/arm/thumb.c: New File. Support for ARM's Thumb
3069 * config/arm/thumb.h: New File. Thumb definitions.
3070 * config/arm/thumb.md: New File. Thumb machine description.
3071 * config/arm/tcoff.h: New File. Thumb COFF support.
3072 * config/arm/t-thumb: New File. Thumb makefile fragment.
3073 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
3075 * configure.in: Add Thumb-coff target.
3076 * configure: Add Thumb-coff target.
3077 * config.sub: Add Thumb-coff target.
3079 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
3081 * loop.c (scan_loop): Initialize move_insn_first to zero.
3083 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
3085 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
3086 * config/i386/rtems.h: Likewise.
3087 * config/i960/rtems.h: Likewise.
3088 * config/m68k/rtems.h: Likewise.
3089 * config/mips/rtems64.h: Likewise.
3090 * config/pa/rtems.h: Likewise.
3091 * config/rs6000/rtems.h: Likewise.
3092 * config/sh/rtems.h: Likewise.
3093 * config/sparc/rtems.h: Likewise.
3095 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3097 * pa.c (emit_move_sequence): If in reload, call find_replacement.
3099 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
3101 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
3103 * collect2.c (find_a_file): Add debugging.
3104 (find_a_file): Test for win32 style absolute paths if
3105 DIR_SERPARATOR is defined.
3106 (prefix_from_string): Add debugging.
3107 (main): Test for debug command line switch at start of program
3109 (main): Use GET_ENVIRONMENT rather than getenv().
3110 (prefix_from_env): Use GET_ENVIRONMENT.
3112 1998-03-24 Mark Mitchell <mmitchell@usa.net>
3114 * cplus-dem.c (optable): Add sizeof.
3115 (demangle_template_value_parm): New function containing code
3116 previously found in demangle_template.
3117 (demangle_integral_value): New function which handles complicated
3118 integral expressions.
3119 (demangle_template): Use them.
3121 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3123 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
3124 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
3125 genattrtab.o, genoutput.o): Depend on system.h.
3127 * genattr.c: Include system.h. Add arguments to various function
3128 prototypes. Remove redundant prototype of read_rtx().
3129 * genattrtab.c: Likewise.
3130 * gencodes.c: Likewise.
3131 * genconfig.c: Likewise.
3132 * genemit.c: Likewise.
3133 * genextract.c: Likewise.
3134 * genflags.c: Likewise.
3135 * genopinit.c: Likewise.
3136 * genoutput.c: Likewise.
3137 * genpeep.c: Likewise.
3138 * genrecog.c: Likewise.
3140 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
3142 * c-lang.c (lang_print_xnode): New function.
3143 * objc/objc-act.c (lang_print_xnode): Likewise.
3144 * print-tree.c (print_node): Call it
3146 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
3148 * c-parse.in: Recognize protocol qualifiers in class
3149 definitions for objc.
3151 (yyerror): Remove redundant decl.
3152 (yyprint): Fix prototype.
3154 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
3156 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
3158 * stmt.c (unroll_block_trees): Free block_vector if needed.
3160 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
3162 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
3163 (zero_extendsidi2): Avoid useless copy.
3164 (iordi_zext): New pattern.
3165 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
3167 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
3169 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
3170 (ashldi3): Allow constant shift count in range ]32,63].
3171 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
3173 1998-03-22 Mark Mitchell <mmitchell@usa.net>
3175 * tree.h (IS_EXPR_CODE_CLASS): New macro.
3177 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
3179 * h8300.h (CONST_COSTS): Remove definition.
3180 (DEFAULT_RTX_COSTS): Define.
3182 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
3184 * config/sh/rtems.h: Switched from ELF to COFF.
3186 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3188 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
3190 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
3192 * version.c: Bump for snapshot.
3194 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
3195 Geoff Noer <noer@cygnus.com>
3197 * Makefile.in: Various fixes for building cygwin32 native toolchains.
3199 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
3200 * objc/Make-lang.in: Likewise.
3202 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
3204 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
3206 * configure.in: Handle with-PACKAGE=no correctly
3208 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3210 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
3211 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
3212 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
3213 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
3214 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
3215 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
3216 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
3217 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
3218 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
3219 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
3222 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
3223 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
3224 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
3225 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
3226 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
3227 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
3228 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
3229 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
3230 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
3231 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
3232 xcoffout.c: Include system.h. Organize include ordering so
3233 that stdarg/varargs comes before other system headers. Remove
3234 spurious casts of functions assured of a prototype in system.h.
3236 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
3238 * reg-stack.c (pop_stack): Define. Pops any register on the
3239 regstack and adjusts regstack.
3240 (compare_for_stack_reg): Use pop_stack.
3242 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
3244 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
3247 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
3249 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
3251 * fold-const.c (fold): Replace sign-extension of a zero extended
3252 value by a single zero extension.
3254 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
3256 * except.c (init_eh): Do nothing.
3257 (save_eh_status): Call init_eh_for_function, not init_eh.
3258 * function.c (push_function_context_to): Don't call init_emit.
3260 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
3262 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
3265 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3267 * final.c (shorten_branches): Add parentheses around +/- in
3270 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
3272 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
3274 * regclass.c (memory_move_secondary_cost): Wrap uses of
3275 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
3278 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
3280 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
3282 * flow.c (life_analysis): #include <sys/types.h> to make sure
3284 * cplus-dem.c (demangle_function_name): Likewise.
3286 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
3288 * final.c (insn_noperands): Change type to unsigned int.
3289 (final_scan_insn): Likewise for noperands;
3290 properly check operand number boundaries.
3292 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
3294 * alpha.md (extzv): Don't reject register operands. Fix
3297 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
3299 * dbxout.c (dbxout_function_end): Fix last change. The correct
3300 predicate is ASM_OUTPUT_SECTION_NAME.
3302 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
3304 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
3305 (ashlsi): Use match_dup 1 instead of match_operand 2.
3307 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3309 * fold-const.c (operand_equal_for_comparison_p): See if equal
3310 when nop conversions are removed.
3312 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3314 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
3315 don't use ORIGINAL_TARGET unless REG.
3317 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3319 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
3321 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
3323 * loop.c (struct movable): New field move_insn_first.
3324 (scan_loop): In consec sets code, set it. Clear it otherwise.
3325 (move_movables): In consec sets code, use it. Copy REG_NOTES from
3326 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
3329 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
3331 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
3332 is large, and the system doesn't provide atoll or atoq.
3335 * alpha/xm-vms.h (HAVE_ATOLL): Define.
3336 Reported by Klaus Kaempf <kkaempf@progis.de>.
3338 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3340 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
3341 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
3343 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
3344 test !ACCUMULATE_OUTGOING_ARGS.
3346 * collect2.c (write_c_file_glob): Wrap function definition in
3347 macro test !LD_INIT_SWITCH.
3349 * combine.c (try_combine): Wrap variables `cc_use' and
3350 `compare_mode' in macro test EXTRA_CC_MODES.
3352 * cpplib.c (do_ident): Remove unused variable `len'.
3353 (skip_if_group): Remove unused variables `at_beg_of_line' and
3355 (cpp_get_token): Remove unused variable `dummy'.
3357 * dbxout.c (scope_labelno): Move static variable definition inside
3358 the one function scope where it is used.
3359 (dbxout_function_end): Wrap prototype and definition in
3360 macro test !NO_DBX_FUNCTION_END.
3362 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
3363 in macro test !MIPS_DEBUGGING_INFO.
3365 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
3366 into the scope where it is used. Wrap empty else-statement body
3369 * fix-header.c: Fix typo in comment.
3370 (inf_skip_spaces): Cast results of INF_UNGET to (void).
3371 (check_protection, main): Likewise.
3373 * flow.c (find_basic_blocks_1): Remove dangling comment text.
3375 * function.c (contains): Wrap prototype and definition in macro
3376 test HAVE_prologue || HAVE_epilogue.
3377 (fixup_var_refs_1): Remove unused variable `width'.
3379 * gen-protos.c (main): Remove unused variable `optr'.
3381 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
3383 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
3384 (__sjpopnthrow): Remove unused variable `jmpbuf'.
3385 (__throw): Remove unused variable `val'.
3387 * protoize.c: Check for a previously existing definition before
3388 defining *_OK macros.
3390 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
3392 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3394 * vax.h (ADDR_VEC_ALIGN): Define.
3396 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
3398 * gcc.c (default_arg): Don't wander off the end of allocated
3401 (From Geoffrey Keating <geoffk@ozemail.com.au>)
3402 * rs6000.c (small_data_operand): Ensure that any address
3403 referenced relative to the small data area is inside the SDA.
3405 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
3407 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
3409 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3411 * except.h (in_same_eh_region): New prototype.
3412 (free_insn_eh_region, init_insn_eh_region): New prototypes.
3413 * except.c (insn_eh_region, maximum_uid): New static variables.
3414 (set_insn_eh_region): New static function to set region numbers.
3415 (free_insn_eh_region): New function to free EH region table.
3416 (init_insn_eh_region): New function to initialize EH region table.
3417 (in_same_eh_region): New function used to determine if two rtl
3418 instructions are in the same exception region or not.
3419 * final.c (final): Initialize the table indicating which instructions
3420 belong in which exception region.
3421 * genpeep.c (main): Add "except.h" to include file list in generated
3423 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
3424 peepholes involving calls and unconditional branches.
3426 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
3428 * README.gnat: New file.
3430 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3432 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
3433 "recog.h" for offsettable_memref_p.
3434 (legitimize_pic_address): Remove unused variable `offset'.
3435 (notice_update_cc): Change return type to void. Add default label
3437 (standard_68881_constant_p): Remove unused variable mode.
3438 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
3439 (const_int_cost): Explicitly declare as returning int.
3440 (output_dbcc_and_branch): Change return type to void.
3442 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
3443 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
3444 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
3446 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
3448 * version.c: Bump for snapshot.
3450 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3452 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
3453 check for 'M' constraint.
3455 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
3457 * cccp.c (create_definition): If pedantic, call pedwarn for macro
3460 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3462 * i386.c (ix86_logical_operator): New function.
3463 (split_di): Ensure that when a MEM is split, the resulting MEMs have
3465 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
3468 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3469 Richard Earnshaw <rearnsha@arm.com>
3470 Nick Clifton <nickc@cygnus.com>
3472 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
3474 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
3476 * cse.c (rtx_cost): Provide a default case in an enumeration
3477 switch, and call DEFAULT_RTX_COSTS if it's defined.
3479 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
3481 * basic-block.h (compute_preds_succs): Change return type in
3483 * flow.c (compute_preds_succs): Likewise in function definition.
3485 * regmove.c (find_matches): Cast char used as array index to unsigned char
3488 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
3490 * i386.h (RTX_COSTS): Insert braces around nested if.
3491 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
3494 * gcc.c (default_compilers): Properly put brackets around array elements in
3497 * getopt.c (_getopt_internal): Add explicit braces around nested if;
3500 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
3501 (record_reg_life_pat): Add explicit parens around && and || in expression.
3502 (stack_reg_life_analysis): Add parens around assignment used as expression.
3503 (convert_regs): Likewise.
3505 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
3507 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
3508 change callers accordingly.
3510 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
3511 and definition; change all callers accordingly.
3513 * except.c (init_eh): Avoid assignment of unused return value of
3514 build_pointer_type; cast it to void, instead, and remove unused
3517 * gcc.c (lang_specific_driver): Define prototype only #ifdef
3518 LANG_SPECIFIC_DRIVER.
3519 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
3521 * genoutput.c (output_epilogue): Initialize next_name to 0.
3523 * real.c (efrexp): #if 0 prototype and function definition.
3524 (eremain): Likewise.
3531 * reload.c (push_secondary_reload): Define prototype only
3532 #ifdef HAVE_SECONDARY_RELOADS.
3534 * varasm.c (assemble_static_space): Define rounded only
3535 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
3537 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
3539 * i386.md (andsi): Add default case in enumeration switch.
3544 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
3546 * c-decl (finish_struct): Change type of min_align to unsigned.
3548 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
3549 remove unused variable len.
3551 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
3552 comment indicating this is proper behaviour.
3553 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
3555 (based_loc_descr): Likewise.
3557 * enquire.c (bitpattern): Change type of variable i to unsigned.
3559 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
3561 * flow.c (life_analysis): Change type of variable i to size_t;
3562 remove unused variable insn.
3564 * gcc.c (translate_options): Change type of variables optlen, arglen and
3566 (input_filename_length): Change type to size_t.
3567 (do_spec_1): Change type of variable bufsize to size_t.
3568 (main): Change type of variables i and j to size_t;
3569 remove subblock local definition of variable i.
3570 (lookup_compiler): Change type of second argument to size_t;
3571 change type of variable i to size_t.
3573 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
3575 * genopinit.c (get_insn): Change type of variable pindex to size_t.
3577 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
3579 * global.c (global_alloc): Change type of variable i to size_t.
3581 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
3583 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
3584 (expand_end_case): Change type of variable count to size_t.
3586 * toplev.c (main): Change type of variable j to size_t.
3587 (set_target_switch): Change type of variable j to size_t.
3588 (print_switch_values): Change type of variable j to size_t;
3589 remove unused variable flags.
3591 * varasm.c (assemble_variable): Change type of variable align to size_t.
3592 (const_hash_rtx): Change type of variable i to size_t.
3594 1998-03-11 Mark Mitchell <mmitchell@usa.net>
3596 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
3597 TREE_VEC if that's what it really is.
3599 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
3601 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
3604 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
3606 * gthr.h: Changed the comment about return values.
3607 * gthr-solaris.h (__gthread_once): Do not use errno; return the
3608 error number instead of -1.
3609 (__gthread_key_create): Any non-zero return value is an error.
3610 * libgcc2.c (eh_context_initialize): Check for non-zero return
3611 value from __gthread_once.
3612 Check that the value of get_eh_context was really changed.
3614 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3616 * sh.h (LOOP_ALIGN): Only align when optimizing.
3617 * sh.c (find_barrier): Clear inc for CODE_LABELs.
3618 When not optimizing, calculate alignment for BARRIERs directly.
3620 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3622 * final.c (shorten_branches): Remove conditionalizing on
3623 SHORTEN_WITH_ADJUST_INSN_LENGTH
3624 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
3626 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
3628 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
3629 an unconditional jump around deleted blocks.
3631 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
3633 * profile.c (branch_prob): If see computed goto, call fatal instead of
3636 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
3638 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
3639 Patch from Bruno Haible.
3641 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
3642 (assign_parms): Set aggregate if hide_last_arg and last_named.
3644 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3646 * final.c (shorten_branches): Initialize insn_addresses.
3648 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3650 * sh.h (MUST_PASS_IN_STACK): Define.
3652 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
3654 * final.c (shorten_branches): Fix minor logic error in
3655 ADDR_DIFF_VEC shortening support.
3657 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
3659 * version.c: Bump for snapshot.
3661 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
3663 * haifa-sched.c (is_cfg_nonregular): Change return type to
3664 an int. No longer compute "estimated" number of edges. Use
3665 computed_jump_p instead of duplicating the code. Fixup/add
3667 (build_control_flow): Returns a value indicating an irregularity
3668 in the cfg was detected. Count the number of edges in the cfg.
3669 allocate various edge tables.
3670 (find_rgns): No longer look for unreachable blocks.
3671 (schedule_insns): Do not allocate memory for edge tables here.
3672 Free memory for edge tables before returning. Do not perform
3673 cross block scheduling if build_control_flow returns nonzero.
3674 * flow.c (compute_preds_succs): More accurately determine when
3677 * basic-block.h (free_basic_block_vargs): Provide prototype.
3679 * cccp.c (main): Fix dumb mistakes in last change.
3681 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3683 * rtl.h (addr_diff_vec_flags): New typedef.
3684 (union rtunion_def): New member rt_addr_diff_vec_flags.
3685 (ADDR_DIFF_VEC_FLAGS): New macro.
3687 * sh.c (output_branch): Fix offset overflow problems.
3689 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
3690 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
3691 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
3692 * stmt.c (expand_end_case): Supply new arguments to
3693 gen_rtx_ADDR_DIFF_VEC.
3694 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
3695 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
3696 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
3697 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
3698 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
3699 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
3700 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
3701 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
3702 * i386/freebsd.h, i386/linux.h : Likewise.
3703 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
3704 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
3705 * m68k/mot3300.h, m68k/sgs.h : Likewise.
3706 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
3707 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
3708 (CASE_VECTOR_SHORTEN_MODE): Define.
3709 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
3710 (med_branch_p, braf_branch_p): Don't declare.
3711 (mdep_reorg_phase, barrier_align): Declare.
3712 (ADJUST_INSN_LENGTH): Remove alignment handling.
3713 * sh.c (uid_align, uid_align_max): Deleted.
3714 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
3715 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
3716 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
3717 (output_far_jump): Don't use braf_branch_p.
3718 (output_branchy_insn): Don't use branch_offset.
3719 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
3720 Remove paired barrier stuff.
3721 Don't use cache_align_p.
3722 Take alignment insns into account.
3723 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
3725 (barrier_align, branch_dest): New function.
3726 (machine_dependent_reorg, split_branches): Remove infrastructure
3727 for branch shortening that is now provided in the backend.
3728 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
3729 (braf_branch_p, braf_cbranch_p): Likewise.
3730 (attribute length): Use new attributes.
3731 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
3732 (addr_diff_vec_adjust): Delete.
3733 (align_2): Now a define_expand.
3734 (align_log): Now length 0.
3736 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
3738 * m32r.md (right): Correctly check for length == 2, not 1.
3740 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3742 * mips/mips.h: Prototype `machine_dependent_reorg'.
3743 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
3745 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
3747 * final.c (shorten_branches): Restore accidentally removed code.
3749 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3751 * configure.in: Remove duplicate uses of AC_PROG_CC and
3754 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
3756 * configure.in (target_cpu_default2): Correct typo for alphapca56.
3758 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
3759 Doug Evans (devans@cygnus.com)
3761 * haifa-sched.c (build_jmp_edges): Delete dead function.
3762 (build_control_flow): Use cfg routines from flow.c
3763 (schedule_insns): Remove debugging code accidentally checked
3766 * basic-block.h: Add external integer list structures, typdefs,
3767 accessor macros and function declarations. Simlarly for
3768 basic block pred/succ support and simple bitmap stuff.
3769 * flow.c: Add functions for integer list, basic block pred/succ
3770 support and simple bitmap support.
3771 (compute_dominators): New function to compute dominators and
3773 (find_basic_blocks): Split into two functions.
3774 (life_analysis): Likewise.
3775 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
3776 the life_analysis from toplev.c
3777 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
3778 life_analysis instead of flow_analysis.
3780 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3782 * jump.c (jump_optimize): Call mark_jump_label also for deleted
3784 (mark_jump_label): Don't increment ref counts for deleted insns.
3786 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3788 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
3790 * mips/mips.c: Include stdlib.h and unistd.h.
3791 (mips_asm_file_end): Add braces around empty body in an if-statement.
3792 (function_prologue): Wrap variable `fnname' in
3793 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
3794 (mips_select_rtx_section, mips_select_section): Declare as void.
3796 * mips/mips.h: Add prototypes for extern functions in mips.c.
3797 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
3798 (ENCODE_SECTION_INFO): Add braces around empty body in an
3801 * mips/mips.md (movdi): Add parentheses around && within ||.
3802 (movsf, movdf): Likewise.
3803 (branch_zero, branch_zero_di): Add default case in
3807 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
3809 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
3810 real constants, since they can't be changed.
3811 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
3812 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
3813 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
3814 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
3815 * alpha/vms.h (TARGET_OPEN_VMS): New.
3816 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
3818 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
3820 * reload.c (find_reloads): Always force (subreg (mem)) to be
3821 reloaded if WORD_REGISTER_OPERATIONS.
3823 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
3825 * haifa-sched.c (free_list): Rename from free_pnd_lst.
3826 (free_pending_lists): Rename free_pnd_lst uses.
3827 (remove_dependence): Place expunged element on unused_insn_list.
3828 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
3829 gen_rtx_*_LIST and alloc_rtx to use them.
3830 (compute_block_backward_dependences): Free the reg_last_* lists.
3832 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
3834 * cccp.c (main): Avoid undefined behavior when setting pend_includes
3837 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3839 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
3840 USE_GNULIBC_1 is defined
3841 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
3842 includes the t-linux-gnulibc1 fragment
3844 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
3846 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
3848 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3850 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
3852 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3854 * final.c (shorten_branches): Tag the loop alignment onto the
3855 first label after NOTE_INSN_LOOP_BEG even if there is an
3858 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3860 * final.c (insn_current_reference_address):
3861 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
3862 proper alignment chain.
3864 * final.c (max_labelno): New static variable.
3865 (final_scan_insn): Check max_labelno before outputting an
3866 alignment for a label.
3867 (shorten_branches): Remove unused variable length_align.
3869 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3871 * sparc.c (ultrasparc_adjust_cost): Add default case in
3874 * sparc.h: Add prototypes for extern functions defined in
3877 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
3879 * toplev.c: Only generate <name>.dbr file when dumping RTL if
3880 DEALY_SLOTS is defined.
3882 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
3884 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
3885 in call to fill_slots_from_thread.
3887 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
3889 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
3890 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
3892 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3894 * final.c (insn_last_address, insn_current_align, uid_align):
3896 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
3897 (insn_current_reference_address): Likewise.
3898 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
3899 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
3900 (label_to_alignment): New function.
3901 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
3902 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
3903 insn_current_reference_address instead of insn_current_address.
3904 (or_attr_value, write_length_unit_log): New functions.
3905 (main): Call write_length_unit_log.
3906 (write_const_num_delay_slots): Output extra '\n'.
3907 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
3909 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
3910 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
3911 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
3913 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
3914 (LABEL_ALIGN_AFTER_BARRIER).
3915 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
3916 * ns32k/tek6000.h: Likewise.
3917 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
3918 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
3919 ASM_OUTPUT_ALIGN_CODE.
3921 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
3923 * version.c: Bump for snapshot.
3925 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
3927 * version.c: Bump for snapshot.
3929 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
3931 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
3932 if condition code of jump conflicts with opposite_needed.
3934 * reorg.c (fill_slots_from_thread): Mark resources referenced in
3935 opposite_needed thread. Return delay_list even when cannot get
3936 any more delay insns from end of subroutine.
3938 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
3940 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
3941 All callers changed.
3943 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3945 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
3946 end_fde_sort): New functions for fast sorting of an FDE array.
3947 (fde_insert): Simplified.
3948 (add_fdes): Change argument list.
3949 (frame_init): Use the new functions.
3951 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
3953 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
3955 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
3957 * fold-const.c (fold_range_test): Always return a value.
3959 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
3961 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
3962 data in the text section unless READONLY_DATA_SECTION is defined.
3964 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
3966 * c-parse.in (undeclared variable error): Tweak error message to
3969 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
3971 * version.c: Bump for snapshot.
3973 1998-02-28 Mark Mitchell <mmitchell@usa.net>
3975 * final.c (final_scan_insn): Undo overzealous removal of `set'.
3977 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3979 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
3980 case, add parentheses to specify the proper order of precedence in
3984 * c-aux-info.c: Include string.h/strings.h.
3986 * pa.c: Include stdlib.h.
3987 (pa_combine_instructions): Prototype the function.
3988 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
3989 (reloc_needed): Add default case for enumeration switch.
3990 (remove_useless_addtr_insns): Remove unused variable `all'.
3991 (hppa_expand_prologue): Add explicit braces to avoid
3993 (output_function_epilogue): Remove unused variable `i'.
3994 (output_millicode_call): Remove unused variable `link'.
3995 (shadd_constant_p, forward_branch_p): Make the function static.
3996 (following_call): Explicitly declare to return int.
3997 (pa_reorg): Declare as void.
3998 (pa_combine_instructions): Declare as static void. Add
3999 parentheses around && within ||.
4001 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
4002 following_call, function_label_operand, lhs_lshift_cint_operand
4005 * pa.md: Add parentheses around && within ||.
4007 * cppalloc.c: Include stdlib.h.
4009 * cpperror.c (cpp_print_containing_files): Remove unused variable
4010 `i'. Fix format specifier in fprintf.
4012 * cse.c (cse_around_loop): Add explicit braces to avoid
4014 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
4016 * expr.c (expand_expr): Add parentheses around && within ||.
4018 * final.c (app_enable): Replace fprintf with fputs where there are
4019 no format specifiers and no trailing argument after the string.
4020 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
4021 (app_disable): Likewise.
4022 (final_end_function): Likewise.
4023 (final_scan_insn): Likewise. Remove unused variable `set'.
4024 (profile_function): Wrap empty if-statement body in {} brackets.
4026 * function.c: Include stdlib.h.
4027 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
4028 (reposition_prologue_and_epilogue_notes): Add parentheses
4029 around assignment used as truth value.
4031 * integrate.c (expand_inline_function): Wrap variable
4032 `cc0_insn' in macro HAVE_cc0.
4034 * jump.c (jump_optimize): Wrap variable `q' in macro
4035 HAVE_cc0. Remove unused variable `prev1'.
4037 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
4038 within ||. Fix format specifier in fprintf.
4039 (__bb_init_prg): Add parentheses around assignment used as
4042 * local-alloc.c: Include stdlib.h.
4043 (requires_inout): Add parentheses around assignment used
4046 * loop.c (analyze_loop_iterations): Wrap prototype and definition
4047 in macro HAVE_decrement_and_branch_on_count.
4048 (insert_bct, instrument_loop_bct): Likewise.
4049 (move_movables): Add parentheses around assignment used as
4051 (consec_sets_invariant_p): Likewise.
4052 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
4054 * objc/objc-act.c: Include stdlib.h.
4055 (lookup_method_in_protocol_list): Wrap empty else-statement body
4057 (lookup_protocol_in_reflist): Likewise.
4058 (objc_add_static_instance): Remove unused variables `decl_expr'
4060 (get_objc_string_decl): Remove unused variable `decl'.
4061 (generate_static_references): Remove unused variables `idecl' and
4063 (check_protocols): Wrap empty else-statement body in braces.
4065 * protoize.c: Include stdlib.h.
4066 (substr): Add parentheses around assignment used as truth value.
4067 (abspath): Likewise.
4068 (shortpath): Likewise.
4070 * regmove.c (fixup_match_1): Add parentheses around assignment
4071 used as truth value.
4073 * reload.c (push_secondary_reload): Remove unused variable `i'.
4074 (find_reloads): Add parentheses around assignment used as truth
4077 * reload1.c: Include stdlib.h.
4079 * rtl.h: Correct typo in prototype of offsettable_memref_p.
4081 * stmt.c (add_case_node): Add parentheses around assignment used
4083 (case_tree2list): Likewise.
4085 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
4086 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
4087 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
4088 (merge_attributes): Add explicit braces to avoid ambiguous
4091 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
4094 * varasm.c: Include stdlib.h.
4097 * system.h: Remove sys/stat.h.
4098 * gcc.c: Add sys/stat.h.
4100 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
4101 * genattrtab.c: Likewise.
4102 * genconfig.c: Likewise.
4103 * genemit.c: Likewise.
4104 * genextract.c: Likewise.
4105 * genflags.c: Likewise.
4106 * genopinit.c: Likewise.
4107 * genoutput.c: Likewise.
4108 * genpeep.c: Likewise.
4109 * genrecog.c: Likewise.
4110 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
4112 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4114 * invoke.texi: Use @itemx for a secondary item in a @table.
4116 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
4119 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
4121 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
4123 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
4125 * i386.c (struct machine_function): Add new fields for PIC stuff.
4126 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
4128 (restore_386_machine_status): Corresponding changes.
4129 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
4131 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
4133 * c-parse.y (undeclared variable error): Tweak error message
4136 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
4138 * flags.h (g_switch_value, g_switch_set): Declare.
4139 * alpha.c (override_options): Set g_switch_value=8 if not set.
4140 * alpha/elf.h (CC1_SPEC): New.
4142 (LINK_SPEC): Pass along the -G value we were given.
4143 (LOCAL_ASM_OP): Remove.
4144 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
4145 (MAX_OFILE_ALIGNMENT): New.
4146 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
4147 (EXTRA_SECTIONS): Add sbss and sdata.
4148 (SECTION_FUNCTION_TEMPLATE): New.
4149 (EXTRA_SECTION_FUNCTIONS): Use it.
4150 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
4151 (SELECT_SECTION): Use sdata when small enough.
4152 * alpha/linux.h (ASM_SPEC): Remove.
4155 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4156 * config.sub (sco5): Fix typo.
4158 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
4160 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
4162 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
4163 * config/alpha/t-linux: Remove file.
4164 * config/sparc/t-linux: Remove file.
4165 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
4166 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
4167 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
4169 (alpha*-*-linux-gnu*): Likewise.
4170 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
4171 (sparc-*-linux-gnu*): Likewise.
4173 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
4174 * collect2.c (ldd_file_name): Bracket declaration with same
4176 (full_real_ld_suffix): Deleted. Variable was calloced and
4177 written into, but never read.
4179 1998-02-23 Mike Stump <mrs@wrs.com>
4181 * configure.in: Add support for i386-wrs-vxworks configuration.
4182 * i386/vxi386.h: New file.
4184 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4186 * tree.c (contains_placeholder_p): Ensure function always returns
4188 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
4189 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
4191 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
4193 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
4195 1998-02-22 Paul Eggert <eggert@twinsun.com>
4197 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
4198 Define this new symbol.
4199 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
4200 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
4201 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
4203 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
4205 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
4206 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
4208 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
4210 * objc/Object.m (-error): Call objc_verror with our va_list.
4212 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4214 * collect2.c (scan_prog_file): Completely cover uses of variable
4215 `exports' with macro COLLECT_EXPORT_LIST.
4217 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
4219 * version.c: Bump for snapshot.
4221 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
4223 * sched.c (schedule_block): Remove code to get arguments from hard
4224 regs into pseudos early. Same as Aug 25, 1997 change to
4227 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
4229 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
4231 1998-02-16 Mark Mitchell <mmitchell@usa.net>
4233 * toplev.c (rest_of_compilation): Do not defer the output of a
4236 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
4238 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
4239 continuation character (line 243).
4241 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4243 * genrecog.c (main): Remove duplicated sentence in emitted comment.
4245 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
4246 David Edelsohn <edelsohn@mhpcc.edu>
4248 * collect2.c (XCOFF_SCAN_LIBS): Remove.
4249 (export_flag): New variable.
4250 (export_file): #ifdef COLLECT_EXPORT_LIST.
4251 (import_file, exports, imports, undefined): New variables.
4252 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
4253 (dump_list, dump_prefix_list, is_in_list): New functions.
4254 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
4255 (write_import_file, resolve_lib_name): New functions.
4256 (use_import_list, ignore_library): Same.
4257 (collect_exit): maybe_unlink import_file and #ifdef.
4259 (main): New variable importf, #ifdef exportf. Move parsing of
4260 -shared before general argument parsing. Resolve AIX library
4261 paths and import libgcc.a symbols. Treat .so shared libraries the
4262 same as objects and .a libraries. Create alias for object_lst and
4263 increment it instead of original pointer. Scan AIX libraries as
4264 objects earlier instead of using scan_libraries. Perform AIX
4265 tlink later to resolve templates instead of forking ld.
4266 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
4267 (GCC_UNDEF_SYMBOL): New macro.
4268 (scan_prog_file): Loop for members of AIX libraries. Handle
4269 export/import of ctors/dtors.
4270 (aix_std_libs): New variable.
4271 (scan_libraries, XCOFF): Delete.
4273 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
4275 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
4277 1998-02-19 Mike Stump <mrs@wrs.com>
4279 * Makefile.in: Use $tooldir for sys-include to match toplevel
4282 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
4283 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4285 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
4287 * emit-rtl.c (hard-reg-set.h): Include.
4288 (get_lowpart_common): Don't make new REG for hard reg in a
4289 class that cannot change size.
4290 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
4292 * combine.c: Revert previous patch.
4294 1998-02-19 Paul Eggert <eggert@twinsun.com>
4296 * config/sparc/sol2-sld.h: New file.
4297 * configure.in (sparc-*-solaris2*): Use it when using the
4300 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
4302 * loop.c (force_movables): Fix typo.
4304 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
4306 * m88k.h: Change file pattern to match reality.
4308 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
4310 * varasm.c (output_constant_pool): Fix dumb thinko in last
4313 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
4314 a function name to a section name.
4316 1998-02-18 Doug Evans <devans@cygnus.com>
4318 * tree.h (merge_machine_{type,decl}_attributes): Declare.
4319 (split_specs_attrs, strip_attrs): Add prototypes.
4320 * tree.c (merge_machine_{type,decl}_attributes): New functions.
4321 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
4322 Update olddecl's attributes too.
4323 * c-common.c (strip_attrs): New function.
4324 * c-typeck.c (common_type): Call merge_machine_type_attributes.
4325 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
4326 (make_decl_rtl): Likewise.
4328 1998-02-18 Jim Wilson <wilson@cygnus.com>
4330 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
4332 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
4334 Remove this change until we can fix it correctly.
4335 * collect2.c: Bracket declaration of 'exportf' and
4336 'full_real_ld_suffix'.
4338 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4340 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
4342 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
4344 * c-common.c (c_expand_start_cond, c_expand_end_cond,
4345 c_expand_start_else): Don't warn about non-ambiguous else even if
4348 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
4350 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
4351 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
4354 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
4356 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
4357 simplifying a subreg of a hard reg.
4358 (expand_compound_operation): Likewise.
4359 (force_to_mode): Likewise.
4361 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4363 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
4364 (lshift_double): Add parentheses around + or - inside shift.
4365 (rshift_double): Likewise.
4366 (size_int_wide): Explicitly set type of `bit_p' to `int'.
4368 * Makefile.in (fold-const.o): Depend on system.h.
4370 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
4373 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
4374 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
4375 (sched_note_set): Remove unused parameter `b', all callers changed.
4376 (schedule_block): Likewise for `rgn'.
4377 (split_hard_reg_notes): Likewise for `orig_insn'.
4378 (check_live): Likewise for `trg'.
4379 (update_live): Likewise.
4380 (check_live_1): Explcitly declare variable `i' as int.
4381 (update_live_1): Likewise.
4382 (insn_issue_delay): Remove unused variable `link'.
4383 (sched_analyze_2): Add default case in enumeration switch.
4384 (schedule_insns): Remove unused variable `i'.
4386 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
4388 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
4390 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
4391 a dangling else clause.
4393 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
4395 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
4396 pointer for the stack pointer in MIPS16 and 64BIT.
4398 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4400 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
4401 * emit-rtl.c (force_line_numbers, restore_line_number_status):
4403 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
4404 (expand_start_case): Adjust to this change.
4405 (check_seenlabel): New function.
4406 (pushcase, pushcase_range, expand_endcase): Use it.
4408 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4410 * i386.md (adddi3): Add =!r,0,0,X alternative.
4412 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
4414 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
4415 * x-aix31 (INSTALL): Delete.
4417 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
4419 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
4420 tsize changes to something other than zero.
4422 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
4424 * ginclude/va-mips.h: Replace casts of pointers to int with
4425 casts of pointers to __PTRDIFF_TYPE__.
4427 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
4429 * loop.c (strength_reduce, record_biv, record_giv): Use
4430 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
4432 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
4434 * tree.c (first_rtl_op): New fn.
4435 (unsave_expr_now): Use it.
4436 * print-tree.c (print_node): Likewise.
4437 * tree.c (has_cleanups): New fn.
4438 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
4439 conservative about pushing the cleanup point down.
4440 * tree.h: Declare them.
4442 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
4444 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
4445 (flag_schedule_reverse_after_reload): Likewise.
4446 (f_options): Remove reverse scheduling support.
4447 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
4448 (flag_schedule_reverse_after_reload): Likewise.
4449 * haifa-sched.c (rank_for_schedule): Remove support for reverse
4452 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4454 * gcc.c: Get system includes, prototypes and macros via "system.h"
4455 instead of doing it manually. Change all calls of the ctype
4456 macros to custom versions defined in "system.h".
4458 * system.h: Fix return type of bcmp prototype from `void' to `int'.
4459 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
4460 Add a prototype for getenv.
4462 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
4464 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
4466 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
4468 * alias.c: Include <stdlib.h> and <string.h>.
4469 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
4471 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
4473 * version.c: Bump for snapshot.
4475 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
4477 * arm.md (movsfcc): Also validate operands[3] when compiling hard
4479 (movdfcc): Only accept fpu_add_operand for operands[3].
4481 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
4482 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
4484 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
4486 * varasm.c (output_constant_pool): Bring back 'done' label inside
4487 an appropriate #ifdef.
4489 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
4491 (bitmap_copy, bitmap_operation): Likewise.
4492 * combine.c (combinable_i3pat): Similarly for 'src'.
4493 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
4494 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
4495 * regclass.c (copy_cost): Similarly for 'secondary_class'.
4496 * reload.c (make_memloc): Simliarly for 'i'.
4497 (find_reloads_address_1): Similarly for 'link'.
4498 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
4499 (emit_reload_insns): Similarly for 'second_reloadreg'.
4500 * unroll.c (iteration_info): Similarly for 'v'.
4502 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
4503 * calls.c (expand_call): Similarly for 'i'.
4504 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
4505 * fold-const.c (strip_compund_expr): Similarly for 'type'.
4506 * function.c (fixup_var_refs_1): Similarly for 'width'.
4507 (fixup_memory_subreg): Similarly for 'saved'.
4508 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
4509 (setjmp_protect): Similarly for 'sub'.
4510 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
4511 * loop.c (record_giv): Similarly for 'p'.
4512 (combine_givs): Similarly for 'temp_iv'.
4513 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
4514 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
4515 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
4516 * unroll.c (unroll_loop): Similarly for 'copy'.
4517 (iteration_info): Similarly for 'b'.
4518 * varasm.c (assemble_string): Similarly for 'i'.
4519 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
4521 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
4523 * c-lang.c (lang_print_xnode): New function.
4524 * objc/objc-act.c (lang_print_xnode): Likewise.
4525 * print-tree.c (print_node): Call it
4527 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
4529 * dwarf2out.c (decl_scope_node): New type.
4530 (decl_scope_table): Change type to use it.
4531 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
4532 (push_decl_scope): Use new type. New locals containing_scope, i.
4533 Add code to handle setting previous field.
4534 (scope_die_for): Change type of local i to int. Add code to use
4536 (dwarf2out_init): Use new type.
4538 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
4540 * except.c (emit_throw): Lose throw_used.
4542 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4544 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
4546 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
4548 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
4550 * genextract.c (main): Fix typo.
4552 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
4554 * c-lang.c (finish_file): Bracket declaration of static_ctors,
4557 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
4558 'old_stack_arg_under_construction'
4559 (emit_library_call): Bracket declaration of 'upper_bound',
4560 'lower_bound', 'i', 'reg_parm_stack_space'
4561 (emit_library_call_value): Likewise.
4564 * collect2.c: include <unistd.h> when appropriate.
4565 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
4567 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
4569 * explow.c (plus_constant_for_output_wide): Remove unused variable
4571 (memory_address): Remove unused variable 'orig_x'.
4573 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
4574 (write_const_num_delay_slots): Remove unused variable 'i'.
4576 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
4577 (gen_insn): Remove unused variable 'obstack_ptr'.
4579 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
4581 (__bb_exit_trace_func): Remove unused variable 'e'.
4583 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
4585 (expand_unop): Remove unused variable 'funexp'.
4586 (expand_complex_abs): Remove unused variable 'funexp'.
4587 (init_optabs): Bracket declaration of 'j'.
4588 (init_complex_libfuncs): Deleted. Dead static function.
4590 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
4592 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
4593 (reg_to_stack): 'initialized', 'before_function_beg'
4594 explictly type as ints instead of defaulting.
4595 (emit_swap_insn): Remove unused variable 'i2'.
4596 (compare_for_stack_reg): Remove unused variable 'src_note'.
4598 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
4600 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
4602 * stmt.c (add_case_node): Add parens for assignment used as truth.
4603 (all_cases_count): Remove unused variable 'count_high'.
4604 (mark_seen_cases): Remove unused variable 'i'.
4605 (check_for_full_enumeration_handling): Remove unused variable 't'.
4606 Bracket declaration of 'all_values', 'l'.
4608 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
4610 * varasm.c (assemble_string): Remove unused variable 'i'.
4611 (immed_double_const): Remove unused variable 'in_current_obstack'.
4612 (immed_real_const_1): Likewise.
4613 (output_constant_pool): Remove unreferenced label 'done'.
4614 (output_constant): Remove unused variable 'x'.
4616 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
4619 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
4622 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4624 * combine.c (can_combine_p): Handle USEs in PARALLELs.
4626 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
4628 * config/linux.h (LIB_SPEC): Add -lc for -shared if
4629 USE_GNULIBC_1 is not defined.
4630 * config/sparc/linux.h; Ditto.
4632 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
4634 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
4635 USE_GNULIBC_1 is not defined.
4637 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
4639 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
4642 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4644 * system.h: New file to get common systems includes and various
4645 definitions and declarations based on autoconf macros.
4647 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
4649 * cccp.c (new_include_prefix): Correctly handle -I./.
4651 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
4653 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
4655 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
4657 * expr.c (expand_assignment): Correct typo exposed by -Wall.
4658 offset should have been a truth value, not an assignment.
4660 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
4662 * cse.c (delete_dead_from_cse): If a libcall produces a constant
4663 result and that result can be substituted into SET_SRC of the
4664 insn with the REG_RETVAL note, then perform the substitution
4665 and delete the libcall.
4667 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
4669 * mips.md (trucndihi2,truncdiqi2): Change these to support
4672 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
4674 * mips/mips.c (movdi_operand): Direct referances to symbols
4675 that arn't mips16 consts in mips16 mode arn't valid operands.
4677 * mips/mips.c (mips_move_2words): Add gprel handling.
4679 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
4681 * mips.md (extendsidi2): Allow extension to/from a non-mips16
4684 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
4686 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
4689 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4691 * Makefile.in (WARN_CFLAGS): New variable.
4692 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
4694 1998-02-11 Mark Mitchell <mmitchell@usa.net>
4696 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
4697 falling through default case in switch.
4698 (i386_aligned_p): Likewise.
4700 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
4702 * mips/mips.h (mips_abi_string): Correct typo in comment.
4704 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
4706 * mips/mips.md (movdi): These PLUS's need to be Pmode.
4708 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4710 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
4711 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
4712 indirectly via expr.h.
4714 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
4716 * stor-layout.c (layout_type): Do upper - lower in the native type,
4717 so as to properly handle negative indices.
4719 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
4721 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
4722 (expand_eh_region_start_tree): Remove unused variable 'note'.
4723 (exception_optimize): Remove unused variable 'regions'.
4724 (expand_builtin_eh_stub): Remove unused variable 'temp'.
4725 (copy_eh_entry): Deleted. Dead function.
4727 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
4728 'last' with same #if HAVE_load_multiple as use of it.
4729 (move_block_from_reg): Likewise.
4730 (emit_move_insn_1): Remove unused variable 'insns'.
4731 (store_constructor): Bracket declaration of startb, endb with
4732 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
4733 'target', and 'xtarget'.
4734 (expand_builtin_setjmp): Remove unused variables 'op0',
4735 'next_arg_reg', 'old_inhibit_defer_pop'.
4736 (expand_builtin): Remove unused variable 'offset'.
4737 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
4738 (emit_queue): Add parens for assignment used as conditional.
4739 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
4741 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
4743 * i386.c: Added include for recog.h.
4744 (override_options): Removed unused variable p. Initialized regno to
4746 (order_regs_for_local_alloc): Initialized regno to avoid warning.
4747 (legitimize_address): Likewise for 'other'.
4748 (i386_aligned_reg_p): Added default case with abort ().
4749 (print_operand): Likewise.
4750 (reg_mentioned_in_mem): Likewise.
4751 (ix86_expand_binary_operator): Removed unused variables i & insn.
4752 (ix86_expand_unary_operator): Removed unused variable insn.
4753 (output_fp_cc0_set): Removed unused variable unordered_label.
4755 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
4757 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
4758 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
4759 and format string match.
4761 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
4763 * flow.c (life_analysis): Do not conside the stack pointer live at
4764 the end of a function if the fucntio ncalls alloca.
4765 (mark_used_regs): Similarly.
4767 1998-02-10 John F Carr <jfc@mit.edu>
4769 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
4770 1, fzero on alternative 8.
4772 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4774 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
4776 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4778 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
4779 SUBREGs of CONST_INTs.
4781 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
4783 * mips.c (print_operand, function_prologue): Make printf format
4784 match argument type.
4786 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4788 * alpha.c (alpha_return_addr): Remove unused variable `first'.
4789 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
4790 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
4792 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4794 * loop.c (strength_reduce): When placing increment for auto-inc
4795 case, do comparison in loop order.
4797 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
4799 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
4800 not a HOST_WIDE_INT.
4802 * calls.c (expand_call): Change test of expand_inline_function
4803 return value to stop compiler warning.
4805 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
4807 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
4808 Jeff Law (law@cygnus.com)
4810 * regmove.c: Fix various minor formatting problems.
4811 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
4812 is true. Make end of basic block tests consistent through regmove.c.
4813 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
4814 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
4816 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4818 * gansidecl.h: Check for a conflicting macro definition before
4819 attempting to prototype bcopy, bcmp or bzero.
4821 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
4823 * expr.c (clear_pending_stack_adjust): Handle case where a function
4824 calls alloca, but the user has specified -fomit-fframe-pointer.
4826 * function.c (assign_parms): Fix typo in last change.
4828 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
4830 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
4832 (free_path_suffix): Remove unreferenced static function.
4833 (process_command): Remove unused variable temp.
4834 (default_arg): Remove unused variable i.
4835 (do_spec_1): Add parens for assignment used as truth value.
4837 (validate_all_switches): Likewise.
4838 (main): Remove unused variables i, first_time>
4840 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
4842 * calls.c (expand_call): Remove unused variables funtree,
4843 n_regs, and tmpmode.
4845 * dbxout.c, except.c: Include <string.h>/<strings.h>.
4847 * explow.c: (plus_constant_for_output_wide) Removed unused
4848 variable all_constant.
4850 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
4851 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
4852 genrecog.c, global.c, integrate.c , stupid.c : Include
4855 * genextract.c: (walk_rtx) Remove unused variable link.
4857 * genrecog.c: (concat) Remove unreferenced static function.
4859 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
4861 * stmt.c: Include <stdlib.h>.
4862 (expand_asm_operands): Remove unused variable val1.
4863 (expand_return): Remove unused variable block.
4864 (pushcase): Remove unused variables l and n.
4865 (pushcaserange): Likewise.
4867 * unroll.c (unroll_loop): Remove unused variable temp.
4869 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
4871 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
4873 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4875 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
4876 functions for whether they support the %p format specifier.
4877 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
4878 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
4879 * configure, config.in: Rebuild.
4881 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
4883 * function.c (assign_parms): New variable named_arg, with value
4884 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
4886 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
4888 * mips/t-r3900: New - same as t-ecoff but eliminate
4889 multilibs: mips1 and mips3.
4890 * configure.in (tx39*): Use new mips/t-r3900.
4891 * configure: Rebuild.
4892 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
4894 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
4896 * dwarf2out.c: Add old_args_size.
4897 (dwarf2out_args_size): Use it.
4898 (dwarf2out_begin_prologue): Initialize it.
4899 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
4900 pushed args until we see a call.
4901 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
4902 before outputting them.
4904 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
4906 * cplus-dem.c (demangle_template_template_parm): New function.
4907 (demangle_template): Handle template template parameters.
4909 1998-02-02 Mark Mitchell <mmitchell@usa.net>
4911 * calls.c (expand_call): Don't confuse member functions named
4912 realloc, setjmp, and so forth with the standard library
4913 functions of the same names.
4915 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
4917 * stmt.c (expand_asm_operands): Correctly identify asm statements
4920 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
4922 * c-common.c (decl_attributes): Flag unrecognized attribute
4923 functions as warnings instead of as errors.
4925 1998-02-05 Marc Lehmann <pcg@goof.com>
4927 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
4928 when -Os is specified.
4929 * toplev.c (main): Don't disable flag_inline_functions anymore when
4932 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4934 * regmove.c: Update.
4935 * flags.h (flag_regmove): Declare.
4936 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
4937 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
4938 Moved into regmove; changed caller.
4939 * toplev.c (rest_of_compilation): Call regmove_optimize also for
4940 expensive_optimizations.
4942 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
4944 * version.c: Bump for snapshot.
4946 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4947 Undo this change (the problem was actually in reload):
4948 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4950 * sh.md (movqi_i+1): New peephole.
4952 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
4954 * jump.c (jump_optimize): Lose calls to modified_in_p they are
4955 not needed anymore due to changes elsewhere in jump.c.
4957 * jump.c (jump_optimize): Fix first arg to modified_in_p in
4960 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
4962 * expr.c (expand_builtin_setjmp): Accept two new arguments for
4963 the labels to branch to on first and subsequent executions. Don't
4964 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
4965 and provide it with the jmp_buf. Use only one of
4966 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
4967 and provide the former with the target label.
4968 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
4969 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
4970 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
4971 insn to replace all of the normal nonlocal_goto code. Don't play
4972 with __dummy. Correct arguments to nonlocal_goto.
4973 * expr.h (expand_builtin_setjmp): Update prototype.
4974 * except.c (start_dynamic_handler): When using builtin_setjmp,
4975 generate more accurate flow information.
4977 * alpha.md (nonlocal_goto_receiver_osf): Delete.
4978 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
4979 (builtin_longjmp, builtin_setjmp_receiver): New.
4980 * sparc.md (update_return): Disambiguate unspec number.
4981 (nonlocal_goto): Rearrange arguments to match caller in except.c.
4982 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
4984 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
4985 (builtin_setjmp_setup*, builtin_longjmp): New.
4987 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
4989 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
4991 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
4993 * vmsconfig.com: Remove bytecode references.
4995 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4997 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
4998 -fno-sjlj-exceptions works for a target that defines
4999 DWARF2_UNWIND_INFO as zero.
5001 * regmove.c (fixup_match_1): Undo last change which removed some
5002 "useless" code, and add a comment explaining this.
5004 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
5006 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
5009 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
5011 * makefile.vms: Remove bytecode references.
5012 Create genrtl files.
5014 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
5016 * jump.c (jump_optimize): Allow conditional loading of floating point
5017 constants and constants from memory. Reinstalled modified_in_p tests.
5019 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5021 * loop.c (get_condition): Handle sign-extended constants.
5023 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
5025 * expr.c (emit_push_insn): Add code to use movstrti if present.
5027 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
5028 and movstrqi as in emit_block_move ().
5030 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
5032 * config/m68k/x-next: Remove /NextDeveloper/Headers from
5033 the directories to fixinclude - /usr/include is a link
5034 to it and hence its contents are fixed by default.
5036 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5038 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
5040 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
5042 * cccp.c (main): Predefine __VMS_VER on VMS.
5044 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5046 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
5047 * fold-const.c (size_int): Replace with
5049 (make_bit_field_ref): Use bitsize_int for bit position.
5050 * stor-layout.c (sizetype): Delete.
5051 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
5052 (layout_record, layout_union, layout_type):
5053 Use bitsize_int for bit size.
5054 (set_sizetype): New function.
5055 (make_signed_type, make_unsigned_type): Use it.
5056 * c-decl.c (init_decl_processing): Likewise.
5057 * tree.h (size_int): Don't delcare, #define.
5058 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
5059 (set_sizetype): Declare.
5060 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
5062 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
5063 Convert result to sizetype.
5064 (really_start_incremental_init, push_init_level):
5065 Set type of constructor_bit_index to sbitsizetype.
5066 (push_init_level): Use unsigned arithmetic to determine padding.
5067 (output_init_element): Likewise.
5069 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
5071 * combine.c (simplify_shift_const): Fix typo in last change.
5073 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
5075 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
5076 is (truncate (lshiftrt)).
5078 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
5080 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
5081 Make sure result winds up in TGT.
5082 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
5083 src to be other than DImode.
5084 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
5085 (alpha_expand_unaligned_store_words): Likewise.
5086 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
5087 that source and destination are separately optimized for alignment.
5088 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
5090 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
5092 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
5093 with handling of -32768.
5095 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5097 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
5098 shell variable argument instead of only hard coded functions.
5099 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
5101 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
5102 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
5103 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
5104 declarations for bcopy, bcmp and bzero.
5106 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
5108 * gansidecl.h: If we have bcopy but don't declare it, then do so.
5109 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
5110 bzero, index and rindex if they aren't already present.
5112 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
5114 * toplev.c (close_dump_file): Wrap function prototype for
5115 argument "func" in PROTO.
5116 (dump_rtl): Likewise.
5118 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
5120 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
5122 (output_function_epilogue): Omit epilogue if nothing drops through.
5123 (output_move_double): Supress int ldd usage on ultrasparc and v9.
5124 (registers_ok_for_ldd_peep): Likewise.
5125 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
5126 (ultrasparc_adjust_cost): New function.
5127 (sparc_issue_rate): New function.
5128 * sparc.h (MASK_VIS, TARGET_VIS): New
5129 (MASK_V8PLUS, TARGET_V8PLUS): New.
5130 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
5131 (TARGET_SWITCHES): Add vis and v8plus.
5132 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
5133 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
5134 (RTX_COSTS): Use TARGET_HARD_MUL
5135 (ADJUST_COST): Call ultrasparc_adjust_cost.
5137 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
5138 of load & fp appropritely.
5139 (supersparc function units): Adjust for Haifa.
5140 (ultrasparc function units): Likewise.
5141 (get_pc_via_rdpc): All v9, not just arch64.
5142 (movdi_v8plus, movdi_v8plus+1): New.
5143 (adddi3_sp32+1): New.
5144 (subdi3_sp32+1): New.
5145 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
5146 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
5147 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
5148 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
5149 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
5150 (ldd peepholes): Suppress for v9.
5151 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
5152 (return_subsi): Revmove.
5154 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
5156 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
5157 save/restore MEM rtl.
5159 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
5161 * configure.in: Check for declaration of abort.
5162 * acconfig.h: Corresponding changes.
5163 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
5166 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
5168 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
5171 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
5173 * version.c: Bump for snapshot.
5175 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
5177 * configure.in: Check for atoq and atoll.
5178 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
5179 proper routine for converting ascii into long long values.
5181 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
5183 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
5185 * vmsconfig.com: Remove bytecode references.
5187 * alpha/vms.h (PREFIX): Define.
5189 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
5191 * am-alpha.h: Don't include alloca for OPEN_VMS.
5193 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
5195 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
5196 (GCC_INCLUDE_DIR): Define
5198 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
5199 * makefile.vms: New file.
5201 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
5203 * alpha.c (output_prolog): Output '.name' directive
5204 for minimal traceback information.
5206 * alpha.c (output_prolog): Don't prepend entry point symbols
5207 with '$' on OPEN_VMS.
5209 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
5210 Jeffrey A Law (law@cygnus.com)
5212 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
5215 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
5217 * genemit.c (gen_exp): Likewise.
5218 * genpeep.c (match_rtx): Likewise.
5219 * genrecog.c (write_tree_1): Likewise.
5221 * c-lex.c (yyprint): Use proper format string based upon
5222 disposition of HOST_BITS_PER_WIDE_INT.
5223 (yylex): Put casts in right place for args to build_int_2.
5225 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
5227 * combine.c: Fix typos in Jan27 changes.
5229 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
5231 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
5232 (LINK_SPEC): Likewise.
5233 (STARTFILE_SPEC): Likewise.
5235 1998-01-28 Mike Stump <mrs@wrs.com>
5237 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
5239 * genattrtab.c (reload_completed): Define.
5241 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
5244 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5246 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
5247 SUBREG_REG if the word count is unchanged, also in the input reload
5248 case. Disable non-applicable sanity checks.
5250 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
5252 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
5254 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
5256 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
5258 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
5260 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
5261 is a TREE_VEC before trying to use it for baseclasses.
5262 (Chill uses the same field for a different purpose.)
5264 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
5266 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
5268 * config.sub: More accurate determination of HP processor types.
5270 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5272 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
5273 prototype for `handle_sysv_pragma', and make it static. Add
5274 parentheses around assignment used as truth value.
5276 * combine.c (combine_instructions): Protect variable `prev' with
5278 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
5279 (extract_left_shift): Add parentheses around operand of &.
5280 (merge_outer_ops): Avoid an empty body in an else-statement.
5281 (gen_rtx_combine): Remove unused variable `i'.
5283 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
5284 function monstartup `void'. Likewise for internal_mcount. Add
5285 `static void' prototype for moncontrol. Reconcile sprintf format
5288 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
5289 Make return type of function_arg_slotno explicitly `int'.
5290 (reg_unused_after): Add parentheses around assignment used as
5292 (save_regs): Add explicit braces to avoid ambiguous `else'.
5293 (function_arg_slotno): Add parentheses around && within ||.
5294 (function_arg_pass_by_reference): Likewise.
5295 (sparc_flat_output_function_prologue): Reconcile fprintf format
5298 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
5299 assignment used as truth value.
5301 * cplus-dem.c: Include <stdlib.h>.
5302 (demangle_signature): Avoid an empty body in an else-statement.
5303 (do_type): Remove unused variable `lvl'.
5305 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
5306 Include <string.h>/<strings.h>.
5307 (cpp_lex): Remove unused variable `namelen'.
5308 (cpp_lex): Explicitly declare `num_chars' as an int.
5310 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
5311 <unistd.h> instead. Explicitly declare is_system_include
5313 (make_assertion): Remove unused variable `kt'.
5314 (cpp_expand_to_buffer): Hide variable `obuf'.
5315 (output_line_command): Remove unused variables, `line_end',
5316 `line_cmd_buf' and `len'.
5317 (macarg): Remove unused variable `arg_start'.
5318 (special_symbol): Remove unused variable `i'. Add parentheses
5319 around assignment used as truth value.
5320 (do_include): Remove unused variables `pcfname' and `retried',
5321 hide `pcf' and `pcfbuflimit'.
5322 (do_line): Remove unused variable `i'.
5323 (finclude): Hide variable `missing_newline'.
5324 (cpp_handle_options): Remove unused variable `j'.
5325 (read_token_list): Remove unused variable `eofp'.
5326 (cpp_error_with_line): Remove unused variable `i'.
5327 (cpp_warning_with_line): Likewise.
5328 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
5329 (cpp_error_from_errno): Remove unused variable `i'.
5331 * cse.c (invalidate): Add parentheses around assignment used as
5333 (find_best_addr): Move declaration of variable `our_cost' inside
5334 the conditional macro where its used.
5335 (fold_rtx): Avoid an empty body in an if-statement.
5336 (cse_insn): Wrap variables `this_insn_cc0_mode' and
5337 `this_insn_cc0' in macro HAVE_cc0.
5339 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
5340 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
5341 (output_uleb128): Likewise.
5342 (output_sleb128): Likewise.
5343 (output_cfi): Likewise.
5344 (output_call_frame_info): Remove unused variables `j', `fde_size'
5346 (comp_unit_has_inlines): Hide declaration as per rest of file.
5347 (size_of_line_prolog): Correct typo in prototype.
5348 (add_arange): Likewise.
5349 (output_aranges): Likewise.
5350 (add_name_and_src_coords_attributes): Likewise.
5351 (gen_array_type_die): Likewise.
5352 (gen_inlined_subroutine_die): Likewise.
5353 (equate_decl_number_to_die): Remove unused variable `i'.
5354 (print_die): Reconcile format vs. args in fprintf's.
5355 (print_dwarf_line_table): Likewise.
5356 (output_die): Likewise.
5357 (output_line_info): Likewise.
5358 (add_subscript_info): Avoid an empty body in an else-statement.
5359 (gen_subprogram_die): Remove unused variable `fp_loc'.
5361 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
5362 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
5363 macro. Protect `src_coords_attribute' prototype with
5364 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
5365 prototype as in the rest of the file. Likewise for
5366 `output_pointer_type_die' and `output_reference_type_die'. Remove
5367 prototype for `type_of_for_scope'.
5368 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
5369 (type_attribute): Add explicit braces to avoid ambiguous `else'.
5371 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
5372 (shorten_branches): Protect declaration of tmp_length with
5373 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
5374 (profile_function): Protect declaration of `sval' and `cxt'
5375 variables with appropriate macros.
5376 (final_scan_insn): Likewise for `note' variable. Add explicit
5377 braces to avoid empty body in an if-statement.
5378 (output_asm_insn): Move variable `i' inside macro conditional
5379 where it is used. Add parentheses around assignment used as truth
5381 (asm_fprintf) Likewise, likewise.
5383 * fix-header.c (main): Remove unused variable `done'. Protect
5384 declaration of `i' with FIXPROTO_IGNORE_LIST.
5386 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
5388 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
5391 * profile.c: Include <string.h>/<strings.h>.
5392 (instrument_arcs): Remove unused variables `note', `inverted',
5393 `zero' and `neg_one'.
5394 (branch_prob): Avoid empty body in an if-statement.
5396 * regclass.c: Include <stdlib.h>.
5397 (reg_alternate_class): Explicitly declare parameter `regno'.
5399 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
5400 parentheses around assignment used as truth value.
5401 (find_matches): Remove unused variables `output_operand' and
5403 (fixup_match_1): Remove statement with no effect: "if (0) ;".
5405 * scan.c (sstring_append): Explicitly declare `count' as int.
5406 (scan_string): Explicitly declare parameter `init' as int.
5408 * sched.c: Include <stdlib.h>.
5409 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
5410 (rank_for_schedule): Add parentheses around assignment used as
5412 (schedule_block): Likewise.
5413 (regno_use_in): Likewise.
5414 (schedule_insns): Remove unused variable `i'.
5416 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
5417 (v_message_with_decl): Remove unused variable `n'.
5418 (botch): Explicitly declare parameter `s' as char *.
5419 (main): Add parentheses around assignment used as truth value.
5421 * tree.c (make_node): Protect the variable `kind' with the
5422 GATHER_STATISTICS macro.
5423 (real_value_from_int_cst): Move variable `e' inside conditional
5424 macro area where it is used.
5425 (tree_last): Add parentheses around assignment used as truth value.
5426 (build1): Protect the variable `kind' with the GATHER_STATISTICS
5428 (print_obstack_statistics): Reconcile format vs. args in fprintf.
5429 Protect variables `i', `total_nodes', and `total_bytes' with the
5430 GATHER_STATISTICS macro.
5432 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
5434 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
5435 some comments regarding use of dead_or_set_p.
5437 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
5439 * fixincludes: Tweak fix for struct exception in math.h
5441 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
5443 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
5444 Change mode of registers used to add/sub from
5445 hard_frame_pointer_rtx from word_mode to Pmode.
5447 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
5449 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
5450 asm_output_aligned_bss() instead of asm_output_bss().
5452 * toplev.c (rest_of_compilation): Replace references to
5453 stack_reg_dump_file and dbr_sched_dump_file with references to
5456 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
5458 * tlink.c (scan_linker_output): Call fclose() for opened files.
5460 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
5462 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
5463 compiling with -fpic -- we want to be able to override symbols
5465 (alpha_expand_block_move): Fix thinko in last change.
5467 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
5468 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
5469 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
5471 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
5473 * alpha.md (abssf, absdf): Revert last change.
5475 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
5477 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
5478 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
5480 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
5482 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
5483 a CONST_INT into SFmode.
5485 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
5487 * flags.h: New flag (optimize_size).
5488 * toplev.c (main): Parse -Os option and set optimize_space
5490 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
5491 __OPTIMIZE_SIZE__ when compiling with -Os.
5492 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
5493 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
5494 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
5496 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
5498 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
5500 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
5501 stuff only if MCT_TEXT is #define'd.
5503 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
5505 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
5508 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
5510 * toplev.c: Add -dM command line option to dump RTL after the
5511 machine dependent reorganisation pass, if there is one.
5512 Reorganise RTL dump code, so that only one file handle is
5515 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
5517 * except.c (check_exception_handler_labels): Disable warning when
5520 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
5522 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
5524 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5526 * c-decl.c (grokdeclarator): Get parameter tags from
5527 last_function_parm_tags.
5528 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
5529 traversing the parameter types.
5530 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
5532 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
5534 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
5536 (get_shift_alg): Fix typo.
5538 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
5540 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
5542 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
5544 * toplev.c (get_run_time): Make sure each case gets its variables.
5546 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
5548 * configure.in (build_xm_file): Add auto-config.h if host=build.
5549 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
5550 (build_xm_file_list): Likewise.
5551 * configure: Rebuild.
5553 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
5555 * recog.c (validate_replace_rtx_1): Only perform substitutions
5556 of arguments to commutative and comparison operators once.
5558 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5560 * sparc.c (output_cbranch): Add default case in
5563 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
5564 (emit_delay_sequence): Eliminate unused parameter, all callers
5566 (fill_simple_delay_slots): Likewise.
5567 (fill_slots_from_thread): Likewise.
5568 (fill_eager_delay_slots): Likewise.
5569 (mark_referenced_resources): Add default case in enumeration switch.
5570 (mark_set_resources): Likewise.
5571 (rare_destination): Likewise.
5572 (mostly_true_jump): Likewise.
5573 (find_dead_or_set_registers): Likewise.
5574 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
5575 (update_reg_unused_notes): Remove unused variable `p'.
5576 (mark_target_live_regs): Remove unused variables `next' and
5578 (fill_simple_delay_slots): Remove unused variable `j'.
5579 (fill_slots_from_thread): Add parentheses around assignment used
5581 (dbr_schedule): Likewise.
5583 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
5584 (objc.stage2, objc.stage3, objc.stage4): Likewise.
5586 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
5588 * cse.c (simplify_ternary_operation): Don't try to simplify
5589 IF_THEN_ELSE expressions (created by combine) that don't use
5590 relational operators.
5592 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
5594 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
5597 * crtstuff.c (init_dummy): Keep the epilogue in the init
5598 section for non-ELF systems.
5600 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5602 * sh.md (movqi_i+1): New peephole.
5604 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
5606 * Makefile.in: Remove remaining bytecode stuff.
5607 * emit-rtl.c, expr.c: Likewise.
5609 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
5611 * toplev.c (lang_options): Add unknown-pragma options.
5613 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
5615 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
5616 special (and incomplete) handling for Chill arrays.
5618 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
5620 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
5623 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
5625 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
5627 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
5629 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
5630 .frame directive instead of FRAME_POINTER_REGNUM.
5632 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
5634 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
5635 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
5636 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
5637 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
5638 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
5639 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
5640 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
5641 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
5643 * longlong.h: Replace __mc68332__ with __mcpu32__.
5645 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
5647 * version.c: Bump for snapshot.
5649 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
5651 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
5652 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
5653 * reload1.c (eliminate_regs): Likewise.
5655 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
5657 * regmove.c (find_matches): Initialize matches->earlyclobber too.
5659 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
5661 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
5662 (negsf2, negdf2): Use proper subtract in IEEE mode.
5664 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
5666 * Makefile.in: Remove more bytecode stuff.
5667 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
5668 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
5669 * f/install.texi, objc/Make-lang.in: Likewise.
5671 * Makefile.in: Remove all bytecode support.
5672 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
5673 * emit-rtl.c: Remove all bytecode support.
5674 * expr.c, expr.h function.c, integrate.c: Likewise.
5675 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
5676 * tree.h, varasm.c: Likewise.
5677 * config/m68k/m68k.h: Likewise.
5678 * bi-*, bc-*, bytecode*: Delete bytecode related files.
5679 * modemap.def: Likewise.
5681 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
5683 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
5684 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
5686 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
5688 * i386.md (push): Prohibit symbolic constants if flag_pic.
5689 (movsi+1): Likewise for move to non-register.
5691 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
5693 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
5694 (print_operand): Handle 0xffffffff on 32 bit host.
5696 * configure.in (thread_file): Rename uses before main loop to
5697 target_thread_file. Initialize to empty in main loop. Set thread_file
5698 to target_thread_file after main loop if not set.
5699 * configure: Rebuild.
5701 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
5702 (add_values_to_cover): Revert last change (which had no ChangeLog
5704 (simplify_with_current_value_aux): Handle CONST_INT.
5706 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5708 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
5710 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
5712 * configure.in: Add cpp stringify test.
5713 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
5714 * gengenrtl.c: Use it.
5715 * configure, config.in: Rebuild.
5717 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5719 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
5721 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
5723 * configure.in: Find declaration for sbrk.
5724 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
5725 * config.in, configure: Rebuild.
5726 * mips-tfile.c: Properly protect declaration of sbrk and free.
5727 * toplev.c: Properly protect declaration of sbrk.
5729 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
5731 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
5733 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
5735 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
5737 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
5739 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
5741 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
5743 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
5744 constant offset computations from objects with known alignment in
5745 the presence of STACK_BIAS.
5747 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
5749 (const_hash): Hash val is unsigned long.
5750 (SYMHASH): Likewise.
5752 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
5754 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
5755 char pointer, not HOST_WIDE_INT.
5756 (print_node): Likewise. Also hash is unsigned long not
5759 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
5761 * explow.c (optimize_save_area_alloca): New function for targets
5762 where SETJMP_VIA_SAVE_AREA is true.
5763 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
5764 compute the amount of stack space needed should we find later that
5765 setjmp is never called by this function, stuff rtl for this inside
5766 a REG_NOTE of the final SET of stack_pointer_rtx.
5767 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
5768 current_function_calls_alloca, call optimize_save_area_alloca.
5770 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
5772 * i386.md: Remove redundant integer push patterns.
5773 Don't bother checking for TARGET_PUSH_MEMORY when
5774 pushing constants or registers.
5776 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
5777 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
5779 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
5780 (pwait): New function for mingw32.
5782 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
5783 pipe support is broken for now.
5785 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
5787 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
5788 between frame_pointer_rtx, hard_frame_pointer_rtx, and
5789 arg_pointer_rtx is respected in initialization.
5790 (init_emit_once): Use gen_rtx_raw_REG() to create
5791 return_address_pointer_rtx.
5793 * reorg.c: #include "expr.h" for rtx prototypes.
5794 * Makefile.in (reorg.o): Depend on expr.h
5796 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
5798 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
5799 local_prefix to sub-make invocations.
5801 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
5803 * objc-parse.c: Recognize protocol qualifiers in class definitions.
5805 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
5809 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
5810 * configure.in: Check for atol.
5811 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
5813 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
5815 * loop.c (find_and_verify_loops): When attempting to move insns from
5816 inside the loop outside the loop, create a BARRIER if no suitable
5819 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
5820 favor of an equivalent change from gcc-2.8.
5822 * i386/x-sco5 (CC): Remove trailing whitespace.
5824 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5826 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
5827 (accessor_from_format): Likewise.
5828 (xmalloc): New function for use when linking with alloca.o.
5830 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5832 * frame.c (find_fde): Correct FDE's upper bound.
5834 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
5836 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
5838 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
5840 * calls.c (expand_call): Move #ifdef code out of macro argument
5842 (emit_library_call, emit_library_call_value): Likewise.
5844 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
5846 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
5848 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
5850 * version.c: Bump for snapshot.
5852 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
5854 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
5855 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
5856 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
5857 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
5858 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
5859 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
5860 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
5861 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
5862 * unroll.c, varasm.c: Likewise.
5863 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
5865 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
5867 * mips.h: Fix some type-o's from a previous change.
5869 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
5871 * loop.c (check_dbra_loop): Make sure initial value is a
5872 CONST_INT before trying to normalize it.
5874 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
5876 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
5878 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
5880 * cppexp.c: Include gansidecl.h
5882 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
5884 * svr4.h (LINK_SPEC): Never specify -h.
5885 * ptx4.h (LINK_SPEC): Likewise.
5886 * rs6000/sysv4.h (LINK_SPEC): Likewise.
5887 * sparc/sol2.h (LINK_SPEC): Likewise.
5889 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
5891 * c-typeck.c (comptypes): Exit early on NULL input.
5893 * haifa-sched.c (schedule_insns): Correctly remove inter-block
5894 dependencies after reload.
5896 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5898 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
5900 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
5902 * alpha/vms.h (DIR_SEPARATOR): define
5904 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5906 * Makefile.in (stamp-proto): Remove.
5907 (protoize.o, unprotoize.o): Straightforward compile.
5908 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
5910 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
5912 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
5913 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
5915 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
5917 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
5918 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
5919 * sparc/netbsd.h, vax/netbsd.h: Likewise.
5921 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
5923 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
5925 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
5927 * configure.in (target_cpu_default, target_cpu_default2): Use double
5928 quotes around them when testing their value.
5929 * configure: Rebuilt.
5931 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
5933 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
5935 (gendef): Call obstack_alloc_rtx.
5937 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
5939 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
5942 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
5944 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
5945 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
5946 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
5948 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
5950 * mips.md (return_internal): Change mode from SImode to VOIDmode.
5952 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
5954 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
5957 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
5959 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
5960 suffix from operand 3.
5962 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5963 Jeffrey A Law (law@cygnus.com)
5965 * regmove.c: New implementation of regmove pass.
5966 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
5967 decls, make them have external linkage. Return a value from
5968 optimize_reg_copy_1.
5969 * reload.h (count_occurrences): Add decl.
5970 * reload1.c (count_occurrences): Delete decl, make it have external
5972 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
5974 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
5976 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
5977 if it is not defined.
5979 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
5981 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
5982 * emit-rtl.c (gen_rtx): Move special code to ...
5983 (gen_rtx_CONST_INT): New function.
5984 (gen_rtx_REG): New function.
5985 (*): Update all calls to gen_rtx.
5986 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
5987 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
5988 (GEN_INT): Call gen_rtx_CONST_INT.
5989 * gengenrtl.c: New file.
5991 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
5993 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
5994 (base_alias_check): If no base found for address call canon_rtx and
5997 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
5999 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
6000 arguments for mips16.
6001 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
6002 Don't lose if tsize is zero after handling large stack for mips16.
6003 * mips.md (return): For trivial return, return address is in $31.
6005 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
6007 * mips/mips16.S: Various changes to make it work with -msingle-float
6010 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
6011 Ian Lance Taylor <ian@cygnus.com>
6012 Jeff Law <law@cygnus.com>
6014 * mips.c, mips.h, mips.md: First cut at merging in mips16
6015 support. Major modifications throughout all three files.
6017 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
6019 * configure.in: Make gthr-default.h a forwarding header instead of
6022 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6024 * gcov-io.h: Include sys/types.h to ensure we get size_t.
6026 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
6028 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
6029 Jeffrey A Law (law@cygnus.com)
6031 * crtstuff.c (__frame_dummy): New function for irix6.
6032 (__do_global_ctors): Call __frame_dummy for irix6.
6033 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
6035 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
6037 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
6039 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
6041 * c-decl.c (init_decl_processing): Provide proper fallback symbol
6042 for __builtin_memset.
6043 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
6044 not INTEGER_CST. Assert arg 3 is a constant.
6046 * alpha.c (mode_width_operand): Accept 64-bit modes.
6047 (mode_mask_operand): Likewise.
6048 (print_operand): Likewise for 'M' and 'U' codes.
6049 (alpha_expand_unaligned_load): New function.
6050 (alpha_expand_unaligned_store): Likewise.
6051 (alpha_expand_unaligned_load_words): Likewise.
6052 (alpha_expand_unaligned_store_words): Likewise.
6053 (alpha_expand_block_move): Likewise.
6054 (alpha_expand_block_clear): Likewise.
6055 * alpha.h (MOVE_RATIO): New define.
6056 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
6057 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
6059 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
6060 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
6062 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
6064 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
6065 * configure: Update.
6067 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
6069 * emit-rtl.c (operand_subword): Correctly handle extracting a word
6070 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
6072 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
6075 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
6077 * configure.in: Set and subsitute host_exeext. Use it when creating
6078 the assembler and linker symlinks.
6079 * configure: Rebuild.
6080 * Makefile.in (exeext): Set to @host_exeext@.
6081 (build_exeext): New variable, set to @build_exeext@.
6082 (FLAGS_TO_PASS): Pass down build_exeext.
6083 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
6086 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
6088 * mn10200.md (addsi3, subsi3): Fix thinkos.
6090 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
6092 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
6093 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
6094 unix always, since we want to be able to thunk to functions in a
6095 shared library from an application.
6097 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
6099 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6100 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
6102 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
6104 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
6105 offset's mode is not ptr_mode, convert it.
6107 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
6109 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
6110 compiling if it was already defined.
6112 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
6114 * flow.c (find_basic_blocks): Don't create a new basic block
6115 for calls in a LIBCALL block.
6117 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
6119 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
6121 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
6123 * cse.c (rtx_cost): Remove conflicting default case.
6125 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
6127 * configure.in: Move default enabling of Haifa out of for loop.
6128 * configure: Rebuild.
6130 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
6132 * version.c: Bump for snapshot.
6134 1997-12-25 Teemu Torma <tot@trema.com>
6136 * Makefile.in (GTHREAD_FLAGS): New var.
6137 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
6138 (distclean): Remove gthr-default.h.
6140 * configure.in: Accept dce as a thread package.
6141 Check for thread.h and pthread.h.
6142 Link gthr-default.h to appropriate thread file and set
6144 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
6145 include multilib definitions from pa/t-dce-thr.
6146 (sparc-*-solaris2*): Enable threads by default, if thread.h or
6147 pthread.h is found, preferring posix threads over solaris ones.
6149 * config/pa/t-dce-thr: New file.
6150 * config/pa/t-pa: Removed multilibs.
6151 * config/sparc/t-sol2: Ditto.
6154 * gthr-single.h: New file.
6155 * gthr-posix.h: New file.
6156 * gthr-solaris.h: New file.
6157 * gthr-dce.h: New file.
6158 * libgcc-thr.h: Removed.
6159 * objc/thr-dce.c: New file copied from thr-decosf1.c.
6161 * frame.c: Include gthr.h instead of libgcc-thr.h.
6162 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
6163 (eh_context_initialize): If __gthread_once fails, use static eh
6165 (eh_context_free): Call __gthread_key_dtor.
6167 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
6169 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
6171 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
6173 * cse.c (max_insn_uid): New variable.
6174 (cse_around_loop): Use max_insn_uid.
6175 (cse_main): Set max_insn_uid.
6177 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
6178 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
6179 -mlong64, and -mgp{32,64} options.
6180 * mips.c (mips_abi): Change type to int.
6181 * mips.h (enum mips_abi_type): Delete.
6182 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
6183 (mips_abi): Change type to int.
6185 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
6187 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
6188 optimization is now always enabled.
6190 * calls.c (expand_call): Recognize C++ operator new as malloc-like
6193 * alias.c (memrefs_conflict_p): Eliminate tests now done by
6195 (*_dependence): Call canon_rtx before base_alias_check.
6196 (init_alias_once): New function to precompute set of registers which
6197 can hold Pmode function arguments.
6199 * rtl.h: Declare init_alias_once.
6201 * toplev.c (compile_file): Call init_alias_once.
6203 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
6205 * tree.c (restore_tree_status): Do not dereference a null pointer.
6207 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
6209 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
6210 RLIMIT_STACK. This maintains consistency with the recent, similar
6211 patch to cccp.c and toplev.c.
6213 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
6215 * genattrtab.c (expand_units): For large nr opclasses, expand
6216 function_units_used with ORX to prevent blowups. Tag with FFS.
6217 (num_unit_opclasses): New variable.
6218 (gen_unit): Update it.
6219 (enum operator): Add ORX_OP.
6220 (operate_exp): Treat ORX as or, except don't expand across an if.
6221 Reuse number rtx's after operating on them.
6222 (check_attr_value): Accept IOR, AND, & FFS.
6223 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
6224 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
6225 (write_expr_attr_cache, write_toplevel_expr): New functions.
6226 (write_attr_get): Handle FFS-tagged expressions.
6227 (make_canonical): Don't expand const attributes.
6228 (convert_const_symbol_ref): Dike out.
6229 (evaluate_eq_attr): Handle SYMBOL_REF.
6230 (main): Don't emit get_attr_foo for const attributes.
6232 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
6233 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
6234 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
6235 * alpha.md: Redo all of the scheduling, adding EV6 support, and
6236 combining function units where possible.
6237 (attr "type"): Split loads, stores, cmov into int/fp. Combine
6238 multiplies and divides. Add EV6 sqrt, ftoi, itof.
6239 (attr "opsize"): New attribute.
6240 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
6241 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
6242 to control register allocation.
6243 (movsi2-1, movdi2-1): Likewise.
6245 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
6247 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
6248 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
6249 Move OSF/1 specific defines out.
6250 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
6251 Move Linux specific defines out.
6252 (LINK_SPEC): Genericize.
6253 (ASM_FILE_START): Emit .arch if using more than the base insn set.
6254 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
6255 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
6256 (HANDLE_SYSV_PRAGMA): Define.
6257 * alpha/osf.h: New file.
6258 * alpha/linux.h: Split. Retain file-format independant defines.
6259 Import Linux bits from elf.h.
6260 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
6261 (FUNCTION_PROFILER): _mcount takes its address in $28.
6262 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
6263 * alpha/linux-ecoff.h: New file.
6264 * alpha/linux-elf.h: New file.
6265 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
6266 * alpha/win-nt.h (TARGET_DEFAULT): Define.
6267 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
6268 Add new headers as appropriate.
6270 * configure.in (alpha*): Enable Haifa by default.
6271 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
6272 * configure: Rebuild.
6274 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
6276 * Makefile.in (clean): Remove the stages with their objects here ...
6277 (distclean): ... instead of here.
6279 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6281 * cse.c (rtx_cost): Add default case in enumeration switch.
6282 * fix-header.c (recognized_macro): Likewise.
6283 (recognized_extern): Likewise.
6284 (write_rbrac): Likewise.
6285 * objc/objc-act.c (encode_aggregate): Likewise.
6286 (gen_declarator): Likewise.
6287 (gen_declspecs): Likewise.
6289 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
6291 * haifa-sched.c (create_reg_dead_note): Detect and handle another
6292 case where we kill more regs after sched than were killed before
6294 * sched.c (create_reg_dead_note): Similarly.
6296 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
6298 * c-pragma.c: Include flags.h.
6300 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
6302 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
6303 about system headers.
6304 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
6305 and also to resolve symbols in prefix.c.
6307 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
6308 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
6309 when the definitions in auto-config.h is not visible.
6310 (HAVE_BZERO): Likewise.
6311 (HAVE_BCMP): Likewise.
6312 (HAVE_RINDEX): Likewise.
6313 (HAVE_INDEX): Likewise.
6315 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
6317 * pa.c (emit_move_sequence): Handle a function label source
6320 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
6322 * c-pragma.c (handle_pragma_token): Generate warning messages
6323 about unknown pragmas if warn_unknown_pragmas is set.
6325 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
6326 line option to set variable: warn_unknown_pragmas.
6328 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
6330 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
6332 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
6334 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
6336 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
6337 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
6338 generate more fine grained floating point emulation libraries.
6339 * config/fp-bit.c: Add protecting #ifdef to all functions so
6340 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
6341 then compile all suitable functions.
6342 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
6343 underscores to avoid namespace pollution.
6344 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
6346 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
6350 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6351 Jeff Law <law@cygnus.com>
6353 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
6355 * c-decl.c (finish_decl): Use parentheses around && within ||.
6356 * rtl.c: Include stdlib.h.
6357 (read_skip_spaces): Add parentheses around assignments used as
6359 (read_rtx): Initialize list_rtx.
6360 * cppexp.c (parse_number): Use || when operands are truth values.
6361 * alias.c (find_base_value): Add default case.
6362 (memrefs_conflict): Likewise.
6363 * combine.c (sets_function_arg_p): Likewise.
6364 * genemit.c (gen_exp): Likewise.
6365 * local-alloc.c (contains_replace_regs): Likewise.
6366 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
6367 * fold-const.c (fold_convert): Use "&&" for truth values.
6368 (fold): Add default case.
6369 * sdbout.c (sdbout_field_types): Fix typo in declaration.
6370 (sdbout_one_type): Add default case.
6371 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
6372 (some_operand): Add default case.
6373 (input_operand): Likewise.
6374 (signed_comparison_operator): Likewise.
6375 (divmod_operator): Likewise.
6376 (alpha_set_memflags_1): Likewise.
6377 * reload1.c (reload_cse_simplify_operands): Ensure function
6378 always returns a value.
6379 * scan-decls.c (scan_decls): Likewise.
6380 * c-lex.c (skip_white_space): Fix typo in declaraion.
6381 * c-typeck.c (comp_target_types): Add parentheses around assignment
6382 used as truth value.
6383 (print_spelling): Likewise.
6384 (constructor_implicit, constructor_result): Remove unused variables.
6385 * collect2.c (scan_library): Protect prototype with
6386 #ifdef SCAN_LIBRARIES.
6387 * emit-rtl.c (find_line_note): Fix typo in declaration.
6388 * final.c (asm_insn_count): Protect prototype with
6389 #ifdef HAVE_ATTR_length.
6390 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
6391 (try_pre_increment_1, try_pre_increment): Likewise.
6392 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
6393 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
6394 * gcov-io.h (__store_long, __write_long, __read_long): Fix
6395 unsigned/signed comparisons.
6396 * gcov.c (read_files): Remove unused "first_type" variable.
6397 (scan _for_source_files): Initialize s_ptr.
6398 (function_summary): Eliminate "%lf" formatting, use %ld for
6400 (output_data): Initialize branch_probs and last_line_num.
6401 Eliminate "%lf" formatting, use "%ld" for longs.
6403 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
6405 * mips16.S: New file.
6407 * libgcc2.c (varargs): Handle mips16.
6409 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
6411 * stmt.c (expand_end_case): Likewise.
6412 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
6413 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
6414 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
6416 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6418 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
6419 the build directory.
6420 (libobjc.a): Update dependency list.
6421 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
6423 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
6424 (objc.mostlyclean): Remove runtime-info.h.
6426 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
6428 * tree.c (build_range_type): Allow creation of ranges with no maximum.
6429 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
6430 * dwarf2out.c (add_subscript_info): Likewise.
6431 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
6432 * sdbout.c (plain_type_1): Likewise.
6433 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
6435 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
6438 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6440 * mips.c (fatal): Remove declaration.
6442 1997-12-18 Mark Mitchell <mmitchell@usa.net>
6444 * integrate.c (get_label_from_map): New function.
6445 (expand_inline_function): Use it. Initialize the label_map to
6446 NULL_RTX instead of gen_label_rtx.
6447 (copy_rtx_and_substitute): Use get_label_from_map.
6448 * integrate.h (get_label_from_map): New function.
6449 (set_label_from_map): New macro.
6450 * unroll.c (unroll_loop): Use them.
6451 (copy_loop_body): Ditto.
6453 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
6455 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
6456 (INIT_TARGET_OPTABS): Define.
6457 * mips/ecoff.h: Include gofast.h before mips.h.
6458 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
6459 * mips/elf64.h: Likewise.
6460 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
6462 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
6464 * except.c: Remove register_exception_table{,_p}.
6466 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
6468 * unroll.c (calculate_giv_inc): Handle constant increment found in
6469 a MEM with an appropriate REG_EQUAL note.
6471 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
6473 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
6474 frame pointer in the prologue.
6476 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
6478 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
6479 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
6481 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
6483 * config/m68k/m68k.c (output_function_prologue): Typecast
6484 dwarf2out_cfi_label to (char *).
6485 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
6487 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
6489 * sparc.md (jump): Don't use the annul bit around an empty loop.
6490 Patch from Kevin.Kelly@East.Sun.COM.
6492 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
6494 * jump.c: (jump_optimize): Don't use the return register as a
6495 source1 of a conditional move.
6497 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
6499 * sparc.c (DF_MODES): Or the mask not the bit number.
6500 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
6502 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
6504 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
6506 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
6508 * fixincludes (size_t): Add support for Motorola's stdlib.h
6509 which fails to provide a definition for size_t.
6510 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
6511 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
6512 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
6514 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
6515 prevent unresolved externals in libio.
6516 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
6518 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
6520 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
6521 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
6522 (LIB_SPEC): Updated for glibc 2.
6524 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
6526 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
6527 * ginclude/varargs.h: Likewise.
6529 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
6531 * version.c: Bump for snapshot.
6533 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
6535 * frame.h (__register_frame, __register_frame_table,
6536 __deregister_frame): New.
6537 * frame.c (__register_frame, __register_frame_table,
6538 __deregister_frame): New.
6539 * frame.c (__deregister_frame_info): Return void *.
6540 * frame.h (__deregister_frame_info): Ditto.
6541 * collect2.c (__deregister_frame_info): Ditto.
6543 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
6545 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
6547 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
6549 * alpha.c (alpha_cpu_name): New variable.
6550 (alpha_mlat_string): Likewise.
6551 (alpha_memory_latency): Likewise.
6552 (override_options): Handle -mmemory-latency.
6553 (alpha_adjust_cost): Adjust load cost for latency.
6554 * alpha.h (TARGET_OPTIONS): Add meory-latency.
6555 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
6556 TARGET_CIX into account.
6557 (MEMORY_MOVE_COST): Define in terms of memory_latency.
6558 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
6560 * alpha.h (ASM_COMMENT_START): New macro.
6562 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
6564 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
6565 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
6567 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
6568 SUBREG_REG if the word count is unchanged.
6569 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
6570 subregs of identical word size for push_reload.
6572 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
6574 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
6575 if all we're doing is dealing with -Wreturn-type.
6577 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
6579 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
6580 Use and 255 instead of zapnot 1, since it schedules better.
6582 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
6584 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
6587 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
6589 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
6590 dependency we delete. Properly update prev for multiple consecutive
6592 (priority): Skip deleted dependence.
6594 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
6596 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
6598 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
6600 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
6601 determining when a new basic block starts.
6603 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
6605 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
6606 * pa.md (iorsi3): Add missing args to *_operand calls.
6608 * except.c (call_get_eh_context): Don't mess with sequences.
6609 (emit_eh_context): Include the call in the sequence here.
6611 1997-12-11 Paul Eggert <eggert@twinsun.com>
6613 * collect2.c (write_c_file_glob): Allocate initial frame object
6614 in static storage and pass its address.
6616 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
6618 * except.c (call_get_eh_context): Don't take a parm.
6619 Put the call at the top of the function.
6620 (emit_eh_context): Adjust.
6621 (get_eh_context): Replace with former use_eh_context.
6622 (get_eh_context_once, get_saved_pc_ref): Remove.
6623 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
6625 * integrate.c (expand_inline_function): Adjust.
6626 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
6628 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
6630 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
6631 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
6633 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
6635 * fixincludes (strlen,strspn,strcspn return value): Handle different
6637 (hypot): Provide a fake for hypot which is broken on
6638 m88k-motorola-sysv3.
6640 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
6642 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
6643 tree_code_name from pointers to arrays.
6644 * tree.c: Remove standard_tree_code_* variables, no longer used.
6645 * print-tree.c: Remove declaration of tree_code_name.
6647 * cp/lex.c (init_lex): Update for tree_code_* changes.
6648 * objc/objc-act.c (init_objc): Likewise.
6650 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
6653 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
6655 * config.sub: Add support for BeOS target.
6656 * configure.in: Likewise.
6657 * ginclude/stdarg.h: Likewise.
6658 * ginclude/stddef.h: Likewise.
6659 * ginclude/varargs.h: Likewise.
6660 * rs6000/beos.h: New file for BeOS.
6661 * rs6000/t-beos: Likewise.
6662 * rs6000/x-beos: Likewise.
6663 * rs6000/xm-beos.h: Likewise.
6664 * toplev.c (get_run_time): Just return 0 on BeOS.
6666 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
6667 Toon Moene (toon@moene.indiv.nluug.nl)
6669 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
6670 old and broken Sun3 assemblers. Newer versions handle large
6671 offsets correctly as does the GNU assembler.
6673 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6675 * objc/objc-act.c (lang_report_error_function): Disable.
6676 * objc/objc-parse.y: Include "output.h".
6677 (yyerror): Remove redundant decl.
6678 (yyprint): Fix prototype.
6679 (apply_args_register_offset): Remove redundant decl.
6680 (get_file_function_name): Likewise.
6682 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
6684 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
6686 (find_basic_blocks_1): Likewise.
6688 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
6690 * except.c (use_eh_context): Don't copy_rtx a REG.
6691 (emit_throw): Lose old unwinder support.
6692 (expand_internal_throw): Likewise.
6693 * libgcc2.c (struct eh_context): Likewise.
6694 (new_eh_context): Likewise.
6695 (__get_eh_info): Lose redundant cast.
6696 (__get_dynamic_handler_chain): Likewise.
6697 (__get_saved_pc): Lose.
6698 Lose all old unwinder support code.
6700 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
6702 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
6704 * integrate.c (expand_inline_function): If the inline fn uses eh
6705 context, make sure that the current fn has one.
6706 * toplev.c (rest_of_compilation): Call emit_eh_context.
6707 * except.c (use_eh_context): New fn.
6708 (get_eh_context_once): New fn.
6709 (call_get_eh_context): New fn.
6710 (emit_eh_context): New fn.
6711 (get_eh_context): Call either get_eh_context_once or
6712 call_get_eh_context, depending on what we have.
6713 (get_dynamic_handler_chain): Call get_eh_context_once.
6714 * except.h: Prototypes for fns above.
6715 * optabs.c (get_eh_context_libfunc): Removed.
6716 (init_optabs): Don't initialize it.
6717 * expr.h (get_eh_context_libfunc): Removed.
6718 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
6719 * config/pa/pa.h (CPP_SPEC): Support for -threads.
6720 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
6721 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
6722 New multilib for -threads.
6723 * config/sparc/t-sol2: Added multilibs for -threads and
6724 made -pthreads alias to it.
6725 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
6726 Added -threads and -pthreads options.
6727 * libgcc-thr.h: New file.
6728 * libgcc2.c: (__get_cpp_eh_context): Removed.
6729 (struct cpp_eh_context): Removed.
6730 (struct eh_context): Replaced cpp_eh_context with generic language
6732 (__get_eh_info): New function.
6733 (__throw): Check eh_context::info.
6735 * libgcc2.c: Include libgcc-thr.h.
6736 (new_eh_context, __get_eh_context,
6737 eh_pthread_initialize, eh_context_initialize, eh_context_static,
6738 eh_context_specific, eh_context_free): New functions.
6739 (get_eh_context, eh_context_key): New variables.
6740 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
6741 get_eh_context to get the context.
6742 (longjmp): Move the declaration inside
6743 #ifdef DONT_USE_BUILTIN_SETJMP.
6744 * frame.c: Include libgcc-thr.h.
6745 (object_mutex): Mutex to protect the object list.
6746 (find_fde, __register_frame, __register_frame_table,
6747 __deregister_frame): Hold the lock while accessing objects.
6748 * except.h (get_eh_context): Declare.
6749 * except.c (current_function_ehc): Define.
6750 (current_function_dhc, current_function_dcc): Removed.
6751 (get_eh_context): New function.
6752 (get_dynamic_handler_chain): Use get_eh_context.
6753 (get_saved_pc_ref): Ditto.
6754 (get_dynamic_cleanup_chain): Removed references to
6755 current_function_dcc.
6756 (save_eh_status, restore_eh_status): Save and restore
6757 current_function_ehc instead.
6758 * optabs.c (get_eh_context_libfunc): New variable.
6759 (init_optabs): Initialize it.
6760 * expr.h: Declare get_eh_context_libfunc.
6761 * function.h (struct function): Replaced dhc and dcc with ehc.
6762 * except.c (get_saved_pc_ref): New functions.
6763 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
6764 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
6766 (end_eh_unwinder): Likewise.
6767 (init_eh): Remove initialization of eh_saved_pc.
6768 * optabs.c (get_saved_pc_libfunc): New variable.
6769 (init_optabs): Initialize it.
6770 * expr.h: Declare get_saved_pc_libfunc.
6771 * except.h (eh_saved_pc_rtx): Deleted.
6772 (get_saved_pc_ref): Declared.
6774 From Scott Snyder <snyder@d0sgif.fnal.gov>:
6775 * libgcc2.c (__get_saved_pc): New.
6776 (__eh_type, __eh_pc): Deleted.
6777 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
6778 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
6781 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
6783 * sparc/sol2.h: Use 64 bit multiply and divide functions in
6784 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
6787 * rtl.h (global_rtl): New variable, replacing separate variables for
6789 (const_int_rtx): Now array of rtx_def, not rtx.
6790 * emit-rtl.c: Update for new rtl data structures.
6791 * genattrtab.c: Define global_rtl.
6793 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
6795 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
6798 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
6800 * crtstuff.c (__do_global_ctors): Fix typo.
6802 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
6804 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
6805 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
6807 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
6809 * rs6000.h (FUNCTION_ARG_PADDING): Define.
6810 * rs6000.c (function_arg_padding): New function.
6812 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
6814 * m68k.c: Include tree.h only once.
6816 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6818 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
6820 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
6822 * Partially cleaned up prototyping code from HJ.
6823 * tree.h: Add many prototypes.
6824 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
6825 All references changed.
6826 * rtl.h: Protect from multiple inclusions. Add many prototypes.
6828 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
6830 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
6831 string functions like strlen.
6833 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
6835 * configure.in: Check for functions getrlimit and setrlimit.
6836 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
6837 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
6839 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
6841 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
6843 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
6845 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
6848 * alpha.c (override_options): Don't know about scheduling for EV6.
6849 * alpha.md (ev5 function units): Don't overload as ev6.
6851 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
6852 * alpha.md (define_attr type): Add mvi.
6853 (ev5_e0): Define sceduling parameters for it.
6854 (TARGET_MAX insns): Type is mvi not shift.
6856 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
6858 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
6860 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6862 * cstamp-h, auto-config.h: Delete.
6864 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
6866 * version.c: Bump for snapshot.
6868 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
6870 * cccp.c: Fix typo brought over in merge.
6872 * Merge in changes from gcc-2.8.
6874 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
6876 * m68k.c: Include tree.h for dwarf2out_cfi_label.
6878 * gcc.c (process_command): Do not take address of function fatal when
6879 calling lang_specific_driver.
6881 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
6883 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
6884 doesn't work with it yet, so set it to 0.
6885 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
6887 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
6889 * cse.c (cse_insn): Check for invalid entries when taking references.
6891 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6893 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
6894 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
6895 * toplev.c (rest_of_compilation): Pass it. Remove code to
6896 save / clear / restore flag_unroll_{,all_}loops.
6898 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
6900 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
6902 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
6904 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
6906 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
6908 * except.c (get_dynamic_handler_chain): Only make the call once per
6911 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
6913 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6915 * sh.c (final_prescan_insn): Use local label prefix
6916 when emitting .uses pseudo-ops.
6918 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
6920 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
6921 * except.c: Lose outer_context_label_stack.
6922 (expand_eh_region_end): Rethrow from outer_context here.
6923 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
6924 (expand_internal_throw): Take no args.
6925 (expand_internal_throw_indirect): Lose.
6926 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
6927 (expand_start_all_catch): Start a rethrow region.
6928 (expand_end_all_catch): End it.
6929 (expand_rethrow): New fn.
6930 * except.h: Reflect above changes.
6931 * flow.c: Revert change of Nov 27.
6933 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
6935 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
6937 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
6939 * except.c (expand_fixup_region_end): New fn.
6940 (expand_fixup_region_start): Likewise.
6941 (expand_eh_region_start_tree): Store cleanup into finalization here.
6942 * stmt.c (expand_cleanups): Use them to protect fixups.
6944 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
6946 * mips/mips.md (muldi3_r4000): Broaden the output template
6947 and attribute assignments to handle three operand dmult;
6948 rename to muldi3_internal2.
6949 (muldi3): Call the new muldi3_internal2 for R4000, and
6950 any GENERATE_MULT3 chip.
6952 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
6954 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
6956 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
6958 * unroll.c (find_splittable_givs): Remove last change. Handle givs
6959 with a dest_reg that was created by loop.
6961 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
6963 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
6965 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
6967 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
6969 * configure.in: Fix NCR entries.
6971 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
6973 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
6974 nested exceptions correctly.
6976 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
6977 that was created by loop.
6979 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
6981 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
6983 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
6985 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
6987 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
6988 (print_operand): Use SMALL_DATA_REG for the register involved in
6989 small data relocations.
6990 (print_operand_address): Ditto.
6992 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
6993 -dynamic linker is not used.
6995 * rs6000.md (call insns): For local calls, use @local suffix under
6996 System V. Don't use @plt under Solaris.
6998 * rs6000.c (output_function_profiler): Put label address in r0, and
6999 store LR in 4(sp) for System V/eabi.
7001 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
7002 byte boundary, and maintain stack backchain.
7004 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
7006 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
7007 fix_truncsfdi2): Change *.
7009 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
7011 * toplev.c (main): Complain about -gdwarfn.
7013 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
7015 * dwarfout.c (output_type): If finalizing, write out nested types
7016 of types we've already written.
7018 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
7020 (patches originally from Geoffrey Keating)
7021 * rs6000.c (function_arg): Excess floating point arguments don't
7022 go into GPR registers after exhausting FP registers under the
7024 (function_arg_partial_nregs): Ditto.
7026 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
7029 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
7031 * integrate.c (output_inline_function): Just unset DECL_INLINE.
7033 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
7035 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
7038 * libgcc2.c (__throw): Initialize HANDLER.
7040 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
7042 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
7043 fix_truncsfdi2): Change *X to ?*X.
7045 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
7047 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
7049 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
7051 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
7053 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
7055 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
7057 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
7059 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
7060 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
7063 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
7065 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
7066 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
7067 gas and not using the new HP assembler.
7069 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
7071 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
7072 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
7074 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
7076 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
7077 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
7080 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
7082 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
7084 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
7086 * except.h: Add outer_context_label_stack.
7087 * except.c: Likewise.
7088 (expand_start_all_catch): Push the outer_context for the try block
7089 onto outer_context_label_stack.
7090 (expand_end_all_catch): Use it and pop it.
7092 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
7094 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
7096 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
7098 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
7100 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
7102 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
7103 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
7105 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
7107 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
7108 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
7109 __builtin_delete, and __builtin_vec_delete.
7111 * except.c (output_exception_table): Don't bother with
7114 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
7116 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
7117 is an in/out operand.
7118 (zero extended variants of stwm/stwm patterns): Similarly.
7120 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
7122 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
7124 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
7126 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
7127 (output_call_frame_info): Emit a \n after using it.
7129 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
7131 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
7133 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
7135 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
7136 (ASM_OUTPUT_DWARF_VALUE4): New macro.
7137 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
7139 (output_call_frame_info): Do not output forward label differences
7140 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
7141 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
7143 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7145 * sh.md (attribute "type"): Add nil.
7146 (movsi_ie): y/y alternative is type nil.
7147 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
7149 (movsf_ie+1): Delete.
7151 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
7153 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
7154 large_int, emit two insns instead of one splitable insn.
7155 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
7156 from cfa_temp_value, use cfa_offset. Add assert checking that
7159 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
7161 * cccp.c (deps_output): Properly quote file names for make.
7163 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
7165 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
7167 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
7169 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
7171 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
7173 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
7175 (cse_end_of_basic_block): Similarly.
7177 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
7179 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
7180 (SELECT_RTX_SECTION): Define.
7181 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
7183 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
7185 * Makefile.in (compare, compare-lean): Define $stage for each
7187 (gnucompare, gnucompare-lean): Likewise.
7189 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
7191 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
7193 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
7194 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
7196 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
7198 * dwarfout.c (byte_size_attribute): Add local var upper_bound
7199 and add case to handle STRING_TYPE.
7200 * dwarfout.c (output_string_type_die): Fix code to generate
7201 correct string length attribute for fixed length strings.
7202 Still needs support for varying length strings.
7204 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
7206 * toplev.c (get_run_time): Do something sensible for cygwin32.
7208 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
7210 * expr.c (expand_builtin_setjmp): Set
7211 current_function_has_nonlocal_label.
7212 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
7213 call-saved registers across calls.
7215 * alpha.md (exception_receiver): Remove.
7216 (nonlocal_goto_receiver_osf): New
7217 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
7218 (nonlocal_goto_receiver): New, select _osf or _vms.
7220 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
7221 keep them from being propogated to the object file.
7222 (alpha_write_linkage): Likewise.
7223 * alpha.md (call_vms): Likewise.
7224 (call_value_vms): Likewise.
7225 (unnamed osf call insns): Likewise.
7227 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
7228 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
7230 * alpha.c (call_operand): Any reg is valid for WinNT.
7231 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
7232 (anon nt calls): Add 'R' alternative.
7233 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
7234 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
7236 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
7238 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
7240 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
7241 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
7242 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
7244 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
7246 * reload1.c (new_spill_reg): Improve fixed or forbidden register
7247 spill error message.
7249 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7251 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
7252 use varargs.h. Wrap header with <>, not "".
7254 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
7256 * integrate.c (save_for_inline_copying): Add return value from
7259 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
7261 * fixincludes: Be a little more restrictive on what we will
7262 substitute to replace definitions of MAXINT for HPUX.
7264 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
7266 * dbxout.c (dbxout_symbol_location): Don't assume that variables
7267 whose address is the stack or argument pointers are indirect
7270 1997-11-13 Paul Eggert <eggert@twinsun.com>
7272 * cccp.c, cpplib.c (compare_defs):
7273 Don't complain about arg name respellings unless pedantic.
7274 * cpplib.c (compare_defs): Accept pfile as new arg.
7275 All callers changed.
7277 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7279 * fold-const.c (fold_truthop): Fix bug in last change.
7281 1997-11-13 Paul Eggert <eggert@twinsun.com>
7283 Fix some confusion with IEEE minus zero.
7285 * real.h (REAL_VALUES_IDENTICAL): New macro.
7287 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
7288 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
7290 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
7291 same tree structure as 0.0.
7293 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
7294 macro instead of doing it by hand.
7296 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
7298 * v850/lib1funcs.asm: Minor whitespace changes.
7299 * v850.c: Fix minor formatting problems in many places.
7300 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
7302 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
7304 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
7305 xplus1 when xplus0 is not a register.
7307 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
7309 * flow.c (find_basic_blocks): During marking phase, if we encounter
7310 an insn with a REG_LABEL note, make the target block live and
7311 create an edge from the insn to the target block. Do not make
7312 edges from all blocks to the target block.
7314 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
7316 * confiugre.in: Tweak NCR entries.
7317 * configure: Rebuilt.
7319 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
7321 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
7322 pick apart floating point values, instead of using CONST_DOUBLE_LOW
7323 and CONST_DOUBLE_HIGH.
7325 * rs6000.md (define_splits for DF constants): Use the appropriate
7326 REAL_VALUE_* interface to pick apart DF floating point constants in
7327 a machine independent fashion.
7329 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7331 * fold-const.c (fold_truthop): When changing a one-bit comparison
7332 against zero into a comparison against mask, do a proper sign
7335 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
7337 * except.c: Do not include "assert.h".
7338 (save_eh_status): Turn asserts into conditional aborts.
7339 (restore_eh_status, scan_region): Likewise.
7340 * dwarfout.c: Do not include "assert.h".
7341 (bit_offset_attribute): Turn asserts into conditional aborts.
7342 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
7343 (output_inlined_structure_type_die): Likewise.
7344 (output_inlined_union_type_die): Likewise
7345 (output_tagged_type_instantiation): Likewise.
7346 (dwarfout_file_scope_decl): Likewise.
7347 * dwarf2out.c: Do not include "assert.h"
7348 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
7349 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
7350 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
7351 (add_bit_size_attribute, scope_die_for): Likewise.
7352 (output_pending_types_for_scope): Likewise.
7353 (get_inlined_enumeration_type_die): Likewise.
7354 (get_inlined_structure_type_die): Likewise.
7355 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
7356 (gen_tagged_type_instantiation_die): Likewise.
7358 * flow.c (find_basic_blocks): Refine further to get a more correct
7359 cfg, especially in the presense of exception handling, computed
7360 gotos, and other non-trivial cases. Call abort if an inaccuracy
7361 is detected in the cfg.
7363 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7365 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
7367 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
7368 (skip_white_space): Use whitespace_cr.
7369 (check_newline): Handle whitespace more consistently.
7371 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
7373 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
7374 * i386/xm-cygwin32.h (POSIX): Define.
7376 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
7378 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
7379 is available elsewhere.
7381 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
7383 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
7384 what the instruction can handle.
7386 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
7388 * stmt.c (expand_decl_cleanup_no_eh): New fn.
7390 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
7392 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
7394 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
7395 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
7397 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
7399 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
7400 swap instruction order.
7402 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
7404 * fixinc.svr4 (__STDC__): Add another case.
7406 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7408 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
7409 addresses in the epilogue delay slot.
7411 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
7413 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
7414 in generated `specs' file.
7416 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
7418 * flags.h (flag_rerun_loop_opt): Declare.
7419 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
7420 * toplev.c (flag_rerum_loop_opt): Delete static.
7422 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7424 Bring over from FSF:
7426 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7428 * va-sh.h (__va_arg_sh1): Define.
7430 SH3E doesn't use any integer registers for subsequent arguments
7431 once a non-float value was passed in the stack.
7432 * sh.c (machine_dependent_reorg): If optimizing, put explicit
7433 alignment in front label for ADDR_DIFF_VEC.
7434 * sh.h (PASS_IN_REG_P): Fix SH3E case.
7435 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
7437 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7439 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
7442 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7444 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
7445 put an use_sfunc_addr before each sfunc.
7446 * sh.md (use_sfunc_addr, dummy_jump): New insns.
7447 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
7449 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7451 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
7453 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
7455 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
7458 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
7460 * alias.c (find_base_value): Only return the known base value for
7463 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
7465 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
7466 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
7468 (prologue_get_pc_and_set_got): New pattern.
7470 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
7472 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
7473 for SUBREG, just fall through.
7475 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
7477 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
7479 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
7481 * fixincludes: Fix "hypot" prototype in NeXT math.h.
7483 * Makefile.in (USE_ALLOCA): Always include alloca.o.
7484 (USE_HOST_ALLOCA): Likewise.
7486 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
7487 and LABEL_REFS fields.
7488 * rtl.h (LABEL_REFS): Update.
7490 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
7492 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
7493 sets i2dest. When calling distribute_notes for i3dest_killed, pass
7494 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
7497 * mips.md (insv, extzv, extv): Add change_address call.
7498 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
7500 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
7502 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
7504 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
7505 save_restore_insns if no FP and GP will be restored.
7507 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
7508 Convert CCmode to word_mode before calling GET_MODE_SIZE.
7510 * acconfig.h (HAVE_INTTYPES_H): Undef.
7511 * configure.in (inttypes.h): Check for conflicts between sys/types.h
7512 and inttypes.h, and verify that intmax_t is defined.
7513 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
7514 * config/mips/x-iris3: Likewise.
7516 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
7518 * alias.c (find_base_value): When copying arguments, return the
7519 tenative value for a hard register.
7521 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
7523 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
7524 (yylex): Record wide strings using target endianness, not host.
7526 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
7528 * mn10200.h (ASM_OUTPUT_BSS): Delete.
7529 (ASM_OUTPUT_ALIGNED_BSS): New macro
7530 * mn10300.h (ASM_OUTPUT_BSS): Delete.
7531 (ASM_OUTPUT_ALIGNED_BSS): New macro.
7532 * v850.h (ASM_OUTPUT_BSS): Delete.
7533 (ASM_OUTPUT_ALIGNED_BSS): New macro.
7535 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7537 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
7539 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
7541 * configure.in (sco5): Use cpio to install header files.
7543 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
7545 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
7547 * configure: Rebuild.
7549 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
7551 * i386/sco5.h: enable -gstabs once again.
7553 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
7555 * arm.c (output_move_double): Allocate 3 entries in otherops array.
7557 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
7559 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
7560 notes for sjlj exceptions too.
7561 (expand_eh_region_end): Similarly for EH_REGION_END notes.
7562 (exception_optimize): Optimize EH regions for sjlj exceptions too.
7563 * final.c (final_scan_insn): Don't output labels for EH REGION
7564 notes if doing sjlj exceptions.
7566 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
7568 * alias.c (init_alias_analysis): Handle -fno-alias-check when
7569 optimizing correctly.
7571 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
7572 or set current_function_calls_setjmp anymore.
7574 * flow.c (find_basic_blocks): If we delete the label for an
7575 exception handler, remove it from the EH label list and remove
7576 the EH_BEGIN/EH_END notes for that EH region.
7578 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
7580 * flow.c (find_basic_blocks): Generate correct flow control
7581 information when exception handling notes are present.
7583 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
7585 * dwarf2out.c (output_call_frame_info): Fix length argument
7586 to ASM_OUTPUT_ASCII.
7587 (output_die, output_pubnames, output_line_info): Likewise.
7589 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
7591 * version.c: Bump for snapshot.
7593 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
7594 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
7595 flag_debug_asm is on.
7596 (output_die, output_pubnames, output_line_info): Likewise.
7598 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
7599 and static_chain_rtx into the potential base values array if
7602 * alias.c (new_reg_base_value): New array of potential base values.
7603 (unique_id): Now file scoped static.
7604 (find_base_value, case REG): Return the value in reg_base_value
7605 array for the REG if it exists. Else, return the value from
7606 new_reg_base_value if copying args and REG is a hard register.
7607 (find_base_value, case PLUS): If either operand of the PLUS is
7608 a REG, try to get its base value. Handle base + index and
7610 (record_set): Use new_reg_base_value instead of reg_base_value.
7611 (init_alias_analysis): Allocate space for new_reg_base_value too.
7612 Rework code to iterate over the insns propagating base value
7613 information until nothing changes.
7615 * global.c (global_alloc): Free the conflict matrix after
7616 reload has finished.
7618 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
7620 * libgcc2.c (L_eh): Define __eh_pc.
7621 Replace __eh_type with generic pointer __eh_info.
7623 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
7625 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
7626 use copy_to_reg if address is not a general_operand.
7628 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7630 * profile.c (output_func_start_profiler): Clear flag_inline_functions
7631 for the duration of the call to rest_of_compilation.
7633 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
7635 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
7637 (sparc*-*-*): Recognize --with-cpu=v9.
7638 * sparc/elf.h: New file.
7639 * sparc/t-elf: New file.
7641 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
7643 * mn10300.c (const_8bit_operand): New function.
7644 (mask_ok_for_mem_btst): New funtion.
7645 * mn10300.md (btst patterns with mem operands): Use new functions
7646 to avoid creating btst instructions with invalid operands.
7648 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
7650 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
7651 are running on PowerPC Linux.
7653 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
7655 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
7656 if not previously defined.
7658 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
7660 * function.c (assign_parms): Correct mode of stack_parm if
7661 entry_parm underwent a mode conversion.
7663 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
7665 * global.c (global_alloc): Use xmalloc instead of alloca for
7666 CONFLICTS, since max_allocno * allocno_row_words alone can be more
7667 than 2.5Mb sometimes.
7669 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
7671 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
7672 DEST for the spill, adjust mode of SRC to compensate.
7674 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
7676 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
7677 since any_memory_operand() allows pseudos during reload.
7678 (reload_inhi, reload_outqi, reload_outhi): Likewise.
7680 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
7682 * m68k.md (btst patterns): Add 5200 support.
7684 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
7686 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
7687 optimizations, look inside dividend to determine if the expression
7688 can be simplified by using EXACT_DIV_EXPR.
7690 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
7693 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
7695 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
7697 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
7699 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
7701 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
7704 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
7706 * alpha.md (movqi, movhi): Make sure new insns created during reload
7707 won't need reloading themselves.
7708 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
7710 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
7712 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
7714 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
7716 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
7717 Patch from Klaus Kaempf <kkaempf@progis.de>.
7719 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
7721 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
7722 to an element in a constant string.
7724 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
7726 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
7727 bit PC-relative offset. The exception range table pointer is now in
7729 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
7730 (count_fdes, add_fdes, get_cie): Adjust.
7731 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
7734 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
7736 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
7738 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
7739 like stack_pointer_rtx.
7741 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
7743 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
7744 targets using "$@" to provide support for similar but not identical
7745 targets without having to duplicate code.
7746 (bootstrap4): New goal.
7748 * Makefile.in (compare, compare-lean, compare3): Combined to one
7749 ruleset determining actions to be performed via $@.
7750 (compare4, compare4-lean): New targets.
7751 (gnucompare, gnucompare3): Combined to one ruleset determining
7752 actions to be performed via $@. Also, note which files failed
7753 the comparison test in .bad_compare.
7754 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
7756 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
7758 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
7759 if the dividend is a multiple of the divisor.
7761 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
7763 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
7765 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
7768 * alias.c (true_dependence): Fix typo.
7770 * toplev.c (flag_rerun_loop_opt): New variable.
7771 (f_options): Handle -frerun-loop-opt.
7772 (rest_of_compilation): If -frerun-loop-opt, then run the loop
7774 (main): Enable -frerun-loop-opt by default for -O2 or greater.
7776 * loop.c (simplify_giv_expr): Adding two invariants results
7779 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
7781 * expr.c (get_inner_reference): Remove the array bias after
7782 converting the index to Pmode.
7784 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
7786 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
7787 (TARGET_MULT_BUG): Define.
7788 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
7789 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
7791 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
7793 * mn10200.c (indirect_memory_operand): Delete unused function.
7794 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
7795 * mn10200.md (bset, bclr insns): Handle output in a reg too.
7797 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
7799 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
7800 the callee's ldgp, we must do it ourselves, and we use the jsr tag
7801 for more than scheduling.
7803 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
7805 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
7807 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
7809 * mn10300.c (symbolic_operand, legitimize_address): New functions.
7810 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
7811 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
7813 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
7815 * version.c: Bump for snapshot.
7817 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7819 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
7822 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
7824 * toplev.c (flag_exceptions): Default value is 2.
7825 (compile_file): If flag_exceptions still has the value 2, then
7828 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
7829 (rs6000_save_machine_status): Save pic_offset_table_rtx.
7830 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
7832 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
7835 * rs6000.md (*movsi_got_internal_mem): New pattern.
7836 (*movsi_got_internal_mem splitter): New define_split.
7838 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
7840 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
7842 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
7844 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
7845 only need to save LR.
7847 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
7849 * mn10300.md (movqi, movhi): Avoid using address registers as
7850 destinations unless absolutely necessary.
7852 * mn10200.c (expand_prologue): Fix typo.
7854 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
7856 * mn10200.md (neghi2): Provide an alternative which works if
7857 the input and output register are the same.
7859 * mn10300.c (print_operand): Handle 'S'.
7860 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
7861 shift amount in last alternative
7863 * mn10300.c (expand_epilogue): Rework to handle register restores
7864 in "ret" and "retf" instructions correctly.
7866 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
7868 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
7869 extzv for memory operands.
7871 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
7872 redundant conditional moves to single operand.
7874 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
7876 * v850.h: Move define of __v850__ from CPP_PREDEFINES
7879 * xm-v850.h: Use __v850 rather than __v850__ to
7882 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
7884 * mips/mips.c (compute_frame_size): Not a leaf function if
7887 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
7889 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
7891 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
7893 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
7894 (DEFAULT_ARCH32_P): New macro.
7895 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
7896 (enum cmodel): Declare.
7897 (sparc_cmodel_string,sparc_cmodel): Declare.
7898 (SPARC_DEFAULT_CMODEL): Provide default.
7899 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
7900 (TARGET_FULLANY): Deleted.
7901 (TARGET_CM_MEDMID): New macro.
7902 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
7903 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
7904 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
7905 (CPP_SPEC): Rewrite.
7906 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
7907 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
7908 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
7909 (ASM_SPEC): Add %(asm_arch).
7910 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
7911 Rename asm_default to asm_cpu_default.
7912 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
7913 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
7914 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
7915 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
7916 (MASK_INT64,MASK_LONG64): Delete.
7917 (MASK_ARCH64): Renamed to MASK_64BIT.
7918 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
7919 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
7920 (TARGET_SWITCHES): Always provide 64 bit options.
7921 (ARCH64_SWITCHES): Delete.
7922 (TARGET_OPTIONS): New option -mcmodel=.
7923 (INT_TYPE_SIZE): Always 32.
7924 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
7925 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
7926 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
7927 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
7928 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
7930 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
7931 * sparc/linux.h: Likewise.
7932 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
7933 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
7934 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
7935 (SPARC_DEFAULT_CMODEL): Define.
7936 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
7937 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
7938 (LONG_DOUBLE_TYPE_SIZE): Define.
7939 (ASM_SPEC): Add %(asm_arch).
7940 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
7941 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
7942 (TARGET_CPU_DEFAULT): Add ultrasparc case.
7943 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
7944 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
7945 (SPARC_DEFAULT_CMODEL): Define.
7946 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
7947 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
7948 MASK_LONG64, MASK_MEDANY.
7949 (SPARC_DEFAULT_CMODEL): Define.
7950 (CPP_PREDEFINES): Delete.
7951 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
7952 (ASM_SPEC): Add %(asm_arch).
7953 (LONG_DOUBLE_TYPE_SIZE): Define.
7954 (DWARF2_DEBUGGING_INFO): Define.
7955 * sparc/splet.h (CPP_SPEC): Delete.
7956 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
7957 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
7958 (BLOCK_PROFILER): Likewise.
7959 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
7960 (sparc_override_options): Handle code model selection.
7961 (sparc_init_expanders): Renamed from sparc64_init_expanders.
7962 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
7963 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
7964 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
7965 (sethi_di_fullany): Delete.
7967 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
7968 Jeff Law <law@cygnus.com>
7969 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7971 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
7972 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
7973 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
7974 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
7975 * alpha/alpha.md (arg_home): Likewise.
7977 * alpha/alpha.c (vmskrunch): Delete
7978 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
7979 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
7980 truncate to 64 characters.
7982 * make-l2.com: Support openVMS/Alpha.
7984 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
7986 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7988 * longlong.h (count_leading_zeros): Add missing casts to USItype.
7990 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
7992 * i386/bsd386.h (ASM_COMMENT_START): Define.
7994 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
7996 * tree.c (restore_tree_status): Also free up temporary storage
7997 when we finish a toplevel function.
7998 (dump_tree_statistics): Print stats for backend obstacks.
8000 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
8002 * expr.c (use_group_regs): Don't call use_reg for MEMs.
8004 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
8006 * libgcc2.c (__throw): Don't copy the return address.
8007 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
8009 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
8010 * toplev.c (main): Initialize exceptions_via_longjmp.
8012 * tree.c: Add extra_inline_obstacks.
8013 (save_tree_status): Use it.
8014 (restore_tree_status): If this is a toplevel inline obstack and we
8015 didn't want to save anything on it, recycle it.
8016 (print_inline_obstack_statistics): New fn.
8017 * function.c (pop_function_context_from): Pass context to
8018 restore_tree_status.
8019 * obstack.h (obstack_empty_p): New macro.
8021 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
8023 * i386/freebsd.h (ASM_COMMENT_START): Fix.
8025 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
8027 * v850.c (ep_memory_offset): New function.
8028 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
8030 * v850.h (CONST_OK_FOR_*): Add and correct comments.
8031 (CONSTANT_ADDRESS_P): Add comment.
8032 (EXTRA_CONSTRAINT): Define 'U'.
8033 * v850.md: Add comments on bit field instructions.
8034 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
8035 (lshrsi3): Use N not J constraint.
8037 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
8039 * v850.c (reg_or_0_operand): Call register_operand.
8040 (reg_or_int5_operand): Likewise.
8041 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
8042 (TARGET_SWITCHES): Add "big-switch".
8043 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
8044 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
8045 (CASE_DROPS_THROUGH): Comment out.
8046 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
8047 * v850.md (cmpsi): Delete compare mode.
8048 (casesi): New pattern.
8050 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
8051 * v850.md (ashlsi3): Use SImode not QImode for shift count.
8052 (lshrsi3): Likewise.
8054 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
8055 unreachable switch statement after 'b' support. Remove "b" from
8056 strings for 'b' support.
8057 * v850.md (branch_normal, branch_invert): Change %b to b%b.
8059 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
8061 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
8062 empty line if @inhibit_libc@ is empty.
8064 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
8066 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
8067 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
8068 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
8069 (DWARF2_UNWIND_INFO): Let this track object file format.
8070 (EXTRA_SECTIONS): Add in_eh.
8071 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
8072 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
8074 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
8076 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
8077 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
8079 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
8080 (output_double_int): Output DI mode values correctly when
8081 HOST_BITS_PER_WIDE_INT is 64.
8082 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
8083 fmovd so it works if a quad float ends up in one of the upper 32
8085 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
8086 necessary for PIC support on sparc64.
8088 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
8090 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
8091 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
8092 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
8093 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
8094 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
8095 (SPARC_FP_ARG_FIRST): New macro.
8096 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
8097 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
8098 (NPARM_REGS): There are 32 fp argument registers now.
8099 (FUNCTION_ARG_REGNO_P): Likewise.
8100 (FIRST_PARM_OFFSET): Update to new v9 abi.
8101 (REG_PARM_STACK_SPACE): Define for arch64.
8102 (enum sparc_arg_class): Delete.
8103 (sparc_arg_count,sparc_n_named_args): Delete.
8104 (struct sparc_args): Redefine and use for arch32 as well as arch64.
8105 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
8106 (FUNCTION_ARG_ADVANCE): Rewrite.
8107 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
8108 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
8109 (FUNCTION_ARG_CALLEE_COPIES): Delete.
8110 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
8111 (STRICT_ARGUMENT_NAMING): Define.
8112 (doublemove_string): Declare.
8113 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
8114 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
8115 (doublemove_string): New function.
8116 (output_move_quad): Clean up some of the arch64 support.
8117 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
8118 Don't add 8 bytes of reserved space if arch64.
8119 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
8120 (init_cumulative_args): New function.
8121 (function_arg_slotno): New static function.
8122 (function_arg,function_arg_partial_nregs): New functions.
8123 (function_arg_{pass_by_reference,advance}): New functions.
8124 (function_arg_padding): New function.
8125 * ginclude/va-sparc.h: Rewrite v9 support.
8127 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
8129 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
8130 for hard regs to determine base and index registers.
8132 * reload.c (debug_reload_to_stream): New function. Specify stream
8133 into which to write debug info.
8134 (debug_reload): Modify to call debug_reload_to_stream with stderr.
8136 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
8138 * combine.c (can_combine_p): Don't combine with an asm whose
8139 output is a hard register.
8141 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
8143 * c-decl.c (start_struct): Ensure that structs with forward
8144 declarations are in fact packed when -fpack-struct is given.
8146 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
8147 we are packing a structure. This allows a structure with only
8148 bytes to be aligned on a byte boundary and have no padding on a
8151 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8153 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
8155 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
8157 * alpha.c (alpha_return_addr_rtx): New variable.
8158 (alpha_save_machine_status): New; save it.
8159 (alpha_restore_machine_status): New; restore it.
8160 (alpha_init_expanders): New; clear it.
8161 (alpha_return_addr): New; set it.
8162 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
8163 is overly conservative, so search the insns explicitly.
8164 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
8165 (alpha_sa_size [VMS && !VMS]): Likewise.
8166 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
8167 (INIT_EXPANDERS): New definition.
8169 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
8170 (output_prolog [!VMS]): Use them.
8172 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
8173 (alpha_does_function_need_gp): ... a new function. Refine the
8174 CALL_INSN test to just TYPE_JSR.
8175 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
8177 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
8179 * version.c: Bump for snapshot.
8181 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8183 * pa.c (move_operand): Respect -mdisable-indexing.
8184 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
8186 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
8188 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
8190 (umulsidi3,umulsi3_highpart): Ditto.
8191 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
8193 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
8195 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
8196 (alpha_handle_trap_shadows): ... a new function. Handle the entire
8197 function in one go. Emit RTL for trapb, instead of printf directly.
8198 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
8199 (trap_pending): Kill global variable.
8200 (output_epilog): Don't call final_prescan_insn.
8201 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
8202 * alpha.h (FINAL_PRESCAN_INSN): Remove.
8203 (MACHINE_DEPENENT_REORG): Define.
8204 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
8207 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
8209 Tune Haifa scheduler for Alpha:
8210 * alpha.h (ISSUE_RATE): Define.
8211 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
8212 EV4 adjustments to EV5.
8213 * alpha.md: Remove all scaling from function unit delays. Rework
8214 EV5 function units to match the CPU.
8215 (umuldi3_highpart): EV5 added the IMULH insn class.
8217 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
8219 * pa.c (following_call): Fail if the CALL_INSN is an indirect
8222 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
8224 * cplus-dem.c (demangle_signature): Don't look for return types on
8225 constructors. Handle member template constructors.
8227 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
8229 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
8230 * tree.h: Declare them.
8232 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
8234 * configure.in: Handle --with-newlib.
8235 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
8237 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
8239 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
8241 * config/ptx4.h: Fix typo.
8243 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
8245 * version.c: Bump for snapshot.
8247 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
8249 * aclocal.m4: Substitute INSTALL.
8250 * configure: Re-built.
8252 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
8254 * integrate.c (save_for_inline_copying): Avoid undefined pointer
8256 (expand_inline_function): Likewise.
8258 * dwarf2out.c (output_call_frame_info): Reinstate last change
8259 using flag_debug_asm check instead of flag_verbose_asm.
8261 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
8263 * dwarf2out.c (output_call_frame_info): Remove last change.
8265 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8267 * frame.c (__frame_state_for): Execute the FDE insns until the
8268 current pc value is strictly bigger than the target pc value.
8270 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
8272 * regclass.c (init_reg_modes): If we can't find a mode for the
8273 register, use the previous one.
8275 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
8277 * haifa-sched.c (print_block_visualization): Call fprintf directly,
8278 don't sprintf through an alloca'ed buffer.
8280 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
8282 * reload.c (decompose): Always initialize val.base.
8284 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
8286 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
8287 instead of aborting.
8288 * dwarf2out.c (output_call_frame_info): Call app_enable and
8289 app_disable to let GNU as accept the generated comments.
8291 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
8293 * tree.h (get_file_function_name): Add declaration.
8294 * dwarf2out.c (output_call_frame_info): No need to cast
8295 get_file_function_name call anymore.
8296 * profile.c (toplevel): Remove get_file_function_name
8298 * c-lang.c (finish_file): Ditto.
8300 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
8302 * Makefile.in (program_transform_name): Let autoconf substitute
8305 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
8307 * haifa-sched.c (schedule_block): If the first real insn in a
8308 block has any special notes attached to it, remove them.
8310 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
8312 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
8314 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
8316 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
8318 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
8320 * Makefile.in (check-g77): New test target.
8321 (CHECK-TARGETS): Add check-g77.
8323 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
8325 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
8327 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
8329 * flow.c (print_rtl_with_bb): Cast alloca return value for
8332 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
8334 * i386.h (RETURN_ADDR_RTX): New definition that works for
8335 __builtin_return_address(0) and -fomit-frame-pointer.
8337 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
8339 Bring over from FSF.
8340 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
8342 * mips.c (function_arg): Handle passing a struct
8343 containing a double in a DFmode register without the PARALLEL.
8345 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
8347 * pexecute.c: Use spawn if __CYGWIN32__.
8349 * pexecute.c: Include "config.h" first, as per autoconf manual
8350 (from Paul Eggert <eggert@twinsun.com>).
8352 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
8354 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
8355 optimisation for f/expr.o and f/stb.o.
8357 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
8359 * cse.c (this_insn_cc0_mode): Initialize.
8361 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
8363 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
8365 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
8367 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
8369 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
8370 that pair will dual-issue on the 21164 and plus+beq won't.
8371 (bne): Likewise for cmpeq+beq.
8373 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
8375 * except.c (find_exception_handler_labels): Correct argument to free.
8377 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
8379 * except.c (find_exception_handler_labels): Free LABELS when we're
8382 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
8384 * version.c: Bump for snapshot.
8386 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
8388 * flow.c (find_basic_blocks): Mark calls as potentially jumping
8391 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
8393 * configure.in: Substitute for "install" too.
8394 * configure: Rebuilt.
8396 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
8398 * Makefile.in (bootstrap-lean, compare-lean): New targets.
8400 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
8402 * alias.c (base_alias_check): Two symbols can conflict if they
8403 are accessed via AND.
8404 (memrefs_conflict_p): Likewise.
8406 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
8407 after flushing argument registers to the stack.
8409 * Makefile.in (mostlyclean): Remove .regmove files.
8411 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
8413 * libgcc2.c (__throw): Fix thinko.
8415 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
8417 * cplus-dem.c (demangle_template): Add new parameter. Handle new
8418 template-function mangling.
8419 (consume_count_with_underscores): New function.
8420 (demangle_signature): Handle new name-mangling scheme.
8422 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
8424 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
8427 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
8429 * frame.c: Remove last change.
8430 * dwarf2.h: Remove last change.
8431 * tree.h: Add declarations of DWARF2 unwind info support
8434 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
8436 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
8437 * tree.h (built_in_function): Likewise.
8438 * expr.c (expand_builtin): Likewise.
8439 * except.h: Likewise.
8440 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
8441 * libgcc2.c (copy_reg): New fn.
8444 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
8446 * c-typeck.c (build_binary_op): Warn about comparing signed vs
8447 unsigned if -W is specified and -Wno-sign-compare is not.
8448 * c-decl.c (warn_sign_compare): Initialize to -1.
8449 (c_decode_option): -Wall no longer implies -Wsign-compare.
8451 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8453 * frame.c: Include gansidecl.h for PROTO.
8454 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
8455 defined. Don't declare dwarf2out_cfi_label here.
8456 * dwarf2.h: Add declarations of DWARF2 unwind info support
8458 * m68k.c: Include dwarf2.h.
8459 (output_function_prologue): Add dwarf2 support.
8460 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
8461 (INCOMING_FRAME_SP_OFFSET): Likewise.
8463 * integrate.c (expand_inline_function): Make sure there is at
8464 least one insn that can be used as an insertion point.
8466 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
8468 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
8470 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
8472 * version.c: Bump for snapshot.
8474 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
8476 Bring over from FSF.
8478 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
8480 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
8481 (get_pc_via_rdpc): Renamed from get_pc_sp64.
8482 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
8484 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
8486 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
8487 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
8489 (sparc_align_{loops,jumps,funcs}_string): Declare.
8490 (sparc_align_{loops,jumps,funcs}): Declare.
8491 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
8492 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
8493 (STACK_BIAS): Define.
8494 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
8496 (SPARC_SETHI_P): New macro.
8497 (CONST_OK_FOR_LETTER_P): Use it.
8498 (ASM_OUTPUT_ALIGN_CODE): Define.
8499 (ASM_OUTPUT_LOOP_ALIGN): Define.
8500 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
8501 (sparc_align_{loops,jumps,funcs}): New globals.
8502 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
8504 (move_operand): Use SPARC_SETHI_P.
8505 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
8507 (arith11_double_operand): Likewise.
8508 (arith10_double_operand): Likewise.
8509 (finalize_pic): Finish sparc64 support.
8510 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
8511 64 bit constants if able.
8512 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
8513 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
8515 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
8516 (get_pc_sp32): Use for sparc64 as well.
8517 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
8518 (sethi_di_sp64_const): Likewise.
8519 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
8520 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
8521 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
8523 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
8525 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
8526 * sparc/linux.h (COMMENT_BEGIN): Likewise.
8527 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
8529 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
8531 Add sparc64 linux support.
8532 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
8533 to xm_file list on 32-bit sparc-linux.
8534 * sparc/xm-sp64.h: New file.
8535 * sparc/linux64.h: New file.
8536 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
8537 Don't include xm-sparc.h.
8538 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
8539 * glimits.h (LONG_MAX): Handle sparc64.
8541 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
8543 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
8544 * sparc.h (ASM_COMMENT_START): Define.
8545 * sparc.c (output_function_prologue): Use it.
8546 (sparc_flat_output_function_{epi,pro}logue): Likewise.
8548 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
8550 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
8551 use sparc.h's copies.
8552 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
8555 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8557 * sparc.c (dwarf2out_cfi_label): Add declaration.
8558 (save_regs, output_function_prologue): Remove cast for it.
8559 (sparc_flat_{save_restore,output_function_prologue): Likewise.
8560 ({save,restore}_regs): No longer inline.
8562 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8564 * fold-const.c (make_range): Correctly handle cases of converting
8565 from unsigned to signed type.
8567 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8569 * fold-const.c (merge_ranges): Make sure that if one range is subset
8570 of another, it will always be the second range. Correct (+,-) case to
8573 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
8575 * final.c (final_end_function): Also do dwarf2 thing if
8576 DWARF2_DEBUGGING_INFO.
8577 (final_start_function): Likewise.
8579 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
8581 * expmed.c (expand_divmod): If compute_mode is not the same as
8582 mode, handle the case where convert_modes() causes op1 to no
8583 longer be a CONST_INT.
8585 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
8586 note holding get_jump_flags() calculation to all JUMP_INSNs.
8587 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
8588 * rtl.c (reg_note_name): Add new note types.
8590 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
8592 * rtlanal.c (computed_jump_p): Fix typo in last change.
8594 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8596 * loop.c (indirect_jump_in_function_p): Return 0
8599 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
8601 * rs6000/xm-rs6000.h: Fix thinko in last change.
8602 * rs6000/xm-sysv4.h: Likewise.
8604 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
8606 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
8608 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
8610 * reg-stack.c (find_blocks): Fix thinko in last change.
8612 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8614 * m68k.c (output_function_prologue): Add dwarf2 support.
8616 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
8617 INCOMING_FRAME_SP_OFFSET): New definitions.
8619 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
8621 * combine.c (try_combine): Use NULL_RTX instead of '0' where
8622 appropriate in calls to gen_rtx().
8623 * cse.c (cse_main): Likewise.
8624 * emit-rtl.c (gen_label_rtx): Likewise.
8625 * expr.c (init_expr_once): Likewise.
8626 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
8627 sched_analyze, init_rgn_data_dependences,
8628 compute_block_backward_dependences): Likewise.
8629 * sched.c (schedule_insns): Likewise.
8630 * varasm.c (immed_double_const): Likewise.
8632 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
8633 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
8635 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
8637 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
8638 (MULTILIB_DEFAULTS): Define.
8639 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
8640 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
8641 (LIBGCC_SPEC): Likewise.
8642 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
8643 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
8644 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
8645 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
8646 (EXTRA_PARTS, TAROUTOPTS): Delete.
8647 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
8648 (MULTILIB_OPTIONS): Define.
8649 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
8650 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
8652 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
8654 * version.c: Bump for snapshot.
8656 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
8658 * loop.c (loop_number): Delete function. Change all references
8659 to use uid_loop_num array.
8660 * loop.h (loop_number): Delete declaration.
8661 * unroll.c (unroll_loop): Change "loop_number" references to
8662 use uid_loop_num instead.
8664 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
8666 (loop_unroll_iter): Remove unused variable and all references.
8667 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
8668 (insert_bct): Fix minor formatting problems.
8669 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
8670 (loop_unroll_iter): Removed unused decl.
8671 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
8672 Always record the unrolling factor.
8674 * cse.c (simplify_relational_operation): Set h0u just like h0s.
8675 Similarly for h1u and h1s.
8677 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
8678 (find_basic_blocks): Use computed_jump_p to determine if a
8679 particular JUMP_INSN is a computed jump.
8680 * reg-stack.c (find_blocks): Use computed_jump_p to determine
8681 if a particular JUMP_INSN is a computed jump.
8682 * rtlanal.c (jmp_uses_reg_or_mem): New function.
8683 (computed_jump_p): Likewise.
8684 * rtl.h (computed_jump_p): Declare.
8685 * genattrtab.c (pc_rtx): Define and initialize.
8686 * loop.c (loop_optimize): Always determine if the current
8687 function has a computed jump.
8688 (indirect_jump_in_function_p): Use computed_jump_p to determine
8689 if a particular JUMP_INSN is a computed jump.
8691 * loop.c (fix_bct_param): Delete unused function.
8692 (check_bct_param): Likewise.
8694 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
8696 * frame.c (__deregister_frame): Check properly for initialized object.
8698 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8700 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
8702 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8704 * jump.c (thread_jumps): check can_reverse_comparison_p before
8705 threading a reversed-condition jump.
8707 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
8708 * haifa-sched.c (update_flow_info): Likewise.
8710 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
8712 * Makefile.in (BOOT_CFLAGS): Use -O2.
8714 * configure.in (strtoul, bsearch): Have autoconf check for these
8716 * configure, config.in: Rebuilt.
8718 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
8719 * mips/mips.h (alloca): Likewise.
8720 * rs6000/xm-rs6000.h (alloca): Likewise.
8721 * rs6000/xm-sysv4.h: Likewise.
8723 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
8725 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
8726 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
8727 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
8729 * except.c (end_eh_unwinder): Subtract 1 from return address.
8730 * libgcc2.c (__throw): Likewise.
8731 (find_exception_handler): Don't change PC here. Compare end with >.
8733 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
8735 * v850.c (compute_register_save_size): Correct register
8737 * v850.md (save_interrupt, return_interrupt): Correct
8739 * v850/lib1funcs.asm (save_interrupt): Correct register number.
8740 (return_interrupt): Use stack pointer, not element pointer.
8742 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
8744 * configure.in, configure: Make sure to create the stage* and include
8745 symbolic links in each subdirectory.
8747 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
8749 * pa.md (reload_peepholes): Don't allow addresses with side
8750 effects for the memory operand.
8752 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
8754 * libgcc2.c (find_exception_handler): Subtract one from our PC when
8755 looking for a handler, to avoid hitting the beginning of the next
8758 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
8760 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
8762 * mips/abi64.h (LONG_MAX_SPEC): Define.
8763 * mips.h (LONG_MAX_SPEC): Define.
8764 (CPP_SPEC): Include long_max_spec.
8765 (EXTRA_SPECS): Include long_max_spec.
8767 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
8769 * v850.c (construct_save_jarl): Fix thinko in last change.
8771 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
8773 * version.c: Bump for snapshot.
8775 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
8777 * libgcc2.c (find_exception_handler): Not found is -1.
8779 * integrate.c (expand_inline_function): Move expand_start_bindings
8780 after expanding the arguments.
8782 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
8784 * expr.c (expand_expr): Remove previous incorrect change.
8785 If target and slot has no DECL_RTL, then call mark_addressable
8786 again for the slot after we give it RTL.
8788 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
8790 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
8791 again for the slot after we give it RTL.
8793 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
8795 * v850.c (register_is_ok_for_epilogue,
8796 pattern_is_ok_for_epilogue, construct_restore_jr,
8797 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
8799 * v850.h (pattern_is_ok_for_prologue,
8800 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
8803 * v850.md: Replace prologue and epilogue patterns with a
8804 match_parallel pattern.
8806 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
8808 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
8809 * configure.in: Use EGCS_PROG_INSTALL.
8811 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
8813 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
8814 extern inline function.
8816 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
8818 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
8819 (concat_loc_descriptor): New function.
8820 (loc_descriptor): Call it.
8821 (add_AT_location_description): Also elide the descriptor if both
8822 halves of a CONCAT are pseudos.
8823 (add_location_or_const_value_attribute): Recognize CONCAT too.
8825 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
8827 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
8829 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
8830 out-or-range reg_offset.
8831 (output_epilog): Likewise.
8833 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
8835 * cse.c (simplify_relational_operation): If MODE specifies a
8836 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
8837 is derived from the sign bit of the low word.
8839 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
8841 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
8843 * dwarf2.h: Add DW_CFA_GNU_args_size.
8844 * frame.c (execute_cfa_insn): Likewise.
8845 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
8846 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
8847 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
8848 insn, hand it off to dwarf2out_stack_adjust.
8849 (dwarf2out_begin_prologue): Initialize args_size.
8850 * frame.h (struct frame_state): Add args_size.
8851 * libgcc2.c (__throw): Use args_size.
8852 * final.c (final_scan_insn): If we push args, hand off all insns
8853 to dwarf2out_frame_debug.
8854 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
8856 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
8857 Handle epilogue restore of SP from FP.
8858 * emit-rtl.c (gen_sequence): Still generate a sequence if the
8859 lone insn has RTX_FRAME_RELATED_P set.
8861 * frame.c (extract_cie_info): Handle "e" augmentation.
8862 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
8863 absence of UNALIGNED_*_ASM_OP.
8864 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
8865 (output_call_frame_info): Use "e" instead of "z" for augmentation.
8866 Don't emit augmentation fields length.
8867 (dwarf2out_do_frame): Move outside of #ifdefs.
8868 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
8871 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
8872 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
8873 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
8874 * sparc/sun4gas.h: New file.
8875 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
8877 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
8878 __register_frame_table and __deregister_frame.
8880 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
8882 * except.c (find_exception_handler_labels): Use xmalloc instead of
8883 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
8886 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
8888 * Makefile.in: Various changes to build info files
8889 in the object tree rather than the source tree.
8891 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
8893 * fixinc.math: New file to fix math.h on some systems.
8894 * configure.in (freebsd, netbsd): Use fixinc.math on these
8896 * configure: Rebuilt.
8898 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
8900 * regmove.c (regmove_optimize): If we end up moving the
8901 original insn due to lifetime overlaps, make sure to move
8904 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
8906 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
8908 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
8910 * haifa-sched.c (add_branch_dependences): Make each insn in
8911 a SCHED_GROUP_P block explicitly depend on the previous insn.
8913 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
8915 * except.h: Prototype dwarf2 hooks.
8918 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
8920 * configure.in (native_prefix): Delete.
8921 (mips-dec-netbsd): Don't set prefix.
8922 (*linux*): Don't set prefix.
8924 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
8926 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
8927 defined. If not defined, include <sys/varargs.h> if
8928 HAVE_SYS_VARARGS_H is defined.
8929 * configure.in: Test for varargs.h and sys/varargs.h.
8930 * configure: Regenerate with autoconf.
8931 * config.in: Regenerate with autoheader.
8933 * cpplib.c (quote_string): Cast first arg of sprintf call
8934 from "unsigned char *" to "char *".
8935 (output_line_command): Ditto.
8936 (macroexpand): Ditto.
8937 (do_line): Cast atoi arg from "unsigned char *" to "char *".
8939 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
8941 * version.c: Bump for snapshot.
8943 * Makefile.in (compare): Exit with nonzero status if there
8944 are comparison failures. Note which files failed the
8945 comparison test in .bad_compare.
8947 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8949 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
8951 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
8953 * Makefile.in (LN, LN_S): New macros, use where appropriate.
8954 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
8955 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
8956 * configure: Regenerated.
8958 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
8960 * loop.c (strength_reduce): Fix typo.
8962 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
8964 * m88k/m88k.c (struct option): Rename to struct options.
8965 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
8966 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
8967 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
8968 __DOLPHIN__ or sysV88.
8970 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
8972 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
8975 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
8977 * config.sub: Accept 'amigados' for backward compatability.
8979 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8981 * Makefile.in (testsuite/site.exp): New target.
8982 (check-gcc, check-g++): Depend on testsuite/site.exp.
8983 Don't stop for failure.
8985 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
8987 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
8988 if DWARF2_UNWIND_INFO.
8990 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
8992 Add support for exception handling using DWARF 2 frame unwind info.
8993 Currently works on SPARC and MIPS, and almost on x86.
8995 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
8996 next_stack_level, in_reg_window): Helper fns.
8997 (__throw): Implement for DWARF2_UNWIND_INFO.
8999 * expr.c (expand_builtin): Handle builtins used by __throw.
9000 * tree.h (enum built_in_function): Add builtins used by __throw.
9001 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
9002 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
9003 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
9004 (expand_builtin_extract_return_addr): Likewise.
9005 (expand_builtin_frob_return_addr): Likewise.
9006 (expand_builtin_set_return_addr_reg): Likewise.
9007 (expand_builtin_eh_stub): Likewise.
9008 (expand_builtin_set_eh_regs): Likewise.
9009 (eh_regs): Choose two call-clobbered registers for passing back values.
9011 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
9012 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
9013 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
9014 (stmp-multilib): Likewise.
9015 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
9017 * except.c: #include "defaults.h".
9018 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
9019 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
9020 (register_exception_table_p): New fn.
9021 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
9022 (end_eh_unwinder): Likewise.
9024 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
9025 call __register_frame and __deregister_frame as needed.
9026 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
9027 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
9028 EH_FRAME_SECTION_ASM_OP.
9029 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
9030 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
9031 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
9033 * dwarf2out.c (output_call_frame_info): If no support for
9034 EXCEPTION_SECTION, mark the start of the frame info with a
9036 * collect2.c (frame_tables): New list.
9037 (is_ctor_dtor): Recognise frame entries.
9038 (scan_prog_file): Likewise.
9039 (main): Pass -fno-exceptions to sub-compile. Also do collection
9040 if there are any frame entries.
9041 (write_c_file_stat): Call __register_frame_table and
9042 __deregister_frame as needed.
9043 (write_c_file_glob): Likewise.
9045 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
9046 Also require unaligned reloc support.
9047 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
9048 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
9049 * sparc/sysv4.h: Not here.
9051 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
9052 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
9053 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
9055 * libgcc2.c (L_eh): Reorganize, moving code shared by different
9056 EH implementations to the top.
9057 (find_exception_handler): Split out. Start from 0. Compare against
9059 (__find_first_exception_table_match): Use it.
9060 * except.c (output_exception_table): Don't do anything if there's
9061 no table. Don't output a first entry of zeroes.
9062 (eh_outer_context): Adjust properly.
9063 (add_eh_table_entry): Use xrealloc.
9064 * toplev.c (compile_file): Just call output_exception_table.
9066 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
9068 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
9070 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
9072 * except.c (eh_outer_context): Do masking using expand_and.
9074 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
9076 Add port done awhile ago for the ARC cpu.
9077 * arc/arc.h: New file.
9078 * arc/arc.c: New file.
9079 * arc/arc.md: New file.
9080 * arc/initfini.c: New file.
9081 * arc/lib1funcs.asm: New file.
9082 * arc/t-arc: New file.
9083 * arc/xm-arc.h: New file.
9084 * ginclude/va-arc.h: New file.
9085 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
9086 * ginclude/varargs.h: Likewise.
9087 * Makefile.in (USER_H): Add va-arc.h.
9088 * configure.in (arc-*-elf*): Recognize.
9089 * longlong.h: Add ARC support.
9091 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
9093 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
9094 when clearing non-BLKmode data.
9096 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
9098 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
9099 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
9101 * xm-m88k.h (USG): Only define if it hasn't already been defined.
9103 * Makefile.in (risky-stage1): Delete gratutious whitespace.
9105 * Makefile.in (clean): Delete libgcc1-test.
9107 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
9109 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
9111 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
9114 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9116 * dwarf2out.c (output_call_frame_info): Call named_section.
9118 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
9120 * haifa-sched.c (print_value): Fix last change.
9122 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
9124 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
9127 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
9129 * mips.c (function_prologue): Set up the CFA when ABI_32.
9131 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
9132 for dwarf2 unwind info.
9133 (output_function_prologue, sparc_flat_output_function_prologue): Same.
9135 * final.c (final_end_function): Check dwarf2out_do_frame instead
9136 of DWARF2_DEBUG for dwarf2 unwind info.
9137 (final_scan_insn): Likewise.
9138 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
9141 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
9144 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
9146 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
9148 * v850.h (ASM_SPEC): Pass on target processor.
9149 (CPP_PREDEFINES): Only define if not already specified.
9150 (TARGET_VERSION): Only define if not already specified.
9151 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
9153 (EXTRA_SWITCHES): Extra entries in the switches array.
9154 (TARGET_DEFAULT): Set default target processor.
9156 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
9158 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
9159 cases, add %# and %/, and add : to make them into extended asms.
9161 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
9163 * alias.c (init_alias_analysis): Clean up incompatible pointer
9164 type warning in bzero.
9165 * regmove.c (regmove_optimize): Ditto.
9166 * haifa-sched.c (find_rgns): Ditto.
9168 * haifa-sched.c (print_value): Clean up ptr->int cast
9171 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
9173 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
9174 * install.texi (Configurations): Ditto.
9175 * config.sub: Ditto.
9177 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
9179 * Makefile.in (sdbout.o): Depend on insn-config.h.
9181 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
9183 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
9184 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
9186 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
9188 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
9189 prologue insn, only the first elt is significant.
9190 (output_call_frame_info): For exception handling, always use 4-byte
9191 fields as specified by the dwarf2 spec.
9192 Don't skip trivial FDEs.
9194 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
9196 * version.c: Bump for snapshot.
9198 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
9200 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
9201 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
9204 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
9206 * final.c (shorten_branches): During first pass, assume worst
9207 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
9209 * Makefile.in (distclean): Remove various things left around
9210 by running the testsuite.
9212 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
9214 * configure.in (out_file): Emit definition to config.status in order
9215 to have a defined value for configure.lang.
9216 * configure: Re-built.
9218 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
9220 * configure.in: Make symlink to as-new rather than as.new. Similarly
9222 * configure: Rebuilt.
9224 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
9226 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
9228 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
9230 * sparc/sparc.md: Add ultrasparc scheduling support.
9231 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
9233 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
9235 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
9236 as initial value for real_label_map.
9237 (copy_for_inline): Likewise.
9239 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9241 * sched.c (update_flow_info) When looking if to set found_split_dest
9242 or found_orig_dest, look at all parts of a PARALLEL.
9243 * haifa-sched.c (update_flow_info): Likewise.
9245 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
9247 * v850: New directory for v850 port.
9248 * v850/lib1funcs.asm: New file.
9249 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
9250 * ginclude/va-v850.h: New file.
9251 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
9252 * configure.in (mn10200-*-*): New target.
9253 * configure: Rebuilt.
9254 * config.sub: Handle v850-elf.
9255 * Makefile.in (USER_H): Add va-mn10200.h.
9256 * invoke.texi: Document v850 stuff.
9258 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
9260 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
9261 has integer TYPE_{MAX,MIN}_VALUE before using them.
9263 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
9264 __HPUX_ASM__ versions.
9266 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
9268 * install.sh: Delete duplicate install script.
9270 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
9272 * reg-stack.c (subst_stack_regs): Pop the stack register for a
9273 computed goto which sets the same stack register.
9275 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
9276 destination are both on the regstack.
9277 (subst_stack_regs_pat): Put the destination at the top of the regstack.
9279 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
9281 * mips.md (nonlocal_goto_receiver): Define.
9283 * profile.c (output_arc_profiler): Check next_insert_after for non
9284 NULL before deferencing it.
9286 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
9288 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
9290 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
9292 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
9294 * toplev.c (rest_of_compilation): For passes starting with
9295 flow_analysis, use print_rtl_with_bb instead of print_rtl.
9297 * print-rtl.c (print_rtl_single): Print a single rtl value to a
9300 * flow.c (print_rtl_with_bb): Print which insns start and end
9301 basic blocks. For the start of a basic block, also print the live
9304 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
9306 * toplev.c (main): Change #elif to #else/#ifdef
9308 * tlink.c: Include ctype.h.
9309 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
9311 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
9313 * bitmap.c: Conditionally include stdlib.h.
9314 (free): Provide a declaration if NEED_DECLARATION_FREE.
9316 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
9318 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
9320 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
9322 * profile.c (output_arc_profiler): Verify next_insert_after is an
9323 INSN before and after skipping a stack pop.
9325 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9327 * final.c (shorten_branches): Don't count the lengths of deleted
9330 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
9332 * version.c: Bump for snapshot.
9334 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
9336 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
9337 two bitmaps ANDed together.
9338 (bitmap_print): Declare.
9340 * bitmap.c (function_obstack): Don't declare any more.
9341 (bitmap_obstack): Obstack for allocating links from.
9342 (bitmap_obstack_init): New static to say whether to initialize
9344 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
9345 (bitmap_release_memory): Free all memory allocated from
9348 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
9349 EXECUTE_IF_AND_IN_BITMAP.
9351 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
9353 * alias.c (true_dependence): Address with AND can alias scalars.
9354 (anti_dependence, output_dependence): Likewise.
9356 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
9358 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
9360 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
9361 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
9362 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
9363 definitions. Use -qrtems instead of -mrtems.
9365 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
9367 * xm-sco5.h (sys_siglist): Define.
9368 (SYS_SIGLIST_DECLARED): Likewise.
9370 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
9372 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
9374 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
9376 * except.c (eh_outer_context): Expand masking operation using
9379 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
9381 * alpha.md (floatdisf2-1): New pattern.
9383 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
9385 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
9386 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
9387 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
9388 * gcc.texi: Note that if you define sys_siglist that you should
9389 also define SYS_SIGLIST_DECLARED.
9391 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
9392 are relative to the next instruction, not the current instruction.
9394 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
9396 * local-alloc.c (contains_replace_regs): New function.
9397 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
9398 verify that there is no existing REG_EQUIV note, and add a call to
9399 contains_place_regs.
9401 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9403 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
9404 (STARTFILE_SPEC): Always use crtbegin.o%s
9405 (ENDFILE_SPEC): Always use crtend.o%s.
9407 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
9409 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
9411 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
9412 SFmode for 64 bit hosts.
9414 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
9416 * fixincludes: Permits spaces between # and define. Discard C++
9417 comments in sys/pci.h on HP/UX 10.20.
9419 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
9421 * version.c: Bump for snapshot.
9423 * pa.c (restore_unscaled_index_insn_codes): New function.
9424 (record_unscaled_index_insn_codes): Likewise.
9425 (output_function_prologue): Call restore_unscaled_index_insn_codes.
9426 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
9427 (pa_reorg): Call record_unscaled_index_insn_codes.
9429 * haifa-sched.c (move_insn): Handle notes correctly for insns
9430 with SCHED_GROUP_P set.
9432 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9434 * alpha/xm-linux.h (USE_BFD): Undef before define.
9436 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
9438 * cse.c (cse_insn): Don't record BLKmode values.
9440 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
9442 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
9444 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
9446 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
9447 * collect2.c (sys_errlist): Likewise.
9448 * cpplib.c (sys_errlist): Likewise.
9449 * gcc.c (sys_errlist): Likewise.
9450 * protoize (sys_errlist): Likewise.
9451 * configure.in: Check for strerror.
9452 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
9453 * xm-gnu.h (HAVE_STRERROR): Likewise.
9454 * xm-linux.h (HAVE_STRERROR): Likewise.
9455 * xm-netbsd.h (HAVE_STRERROR): Likewise.
9456 * xm-bsd386.h (HAVE_STRERROR): Likewise.
9457 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
9458 * xm-dos.h (HAVE_STRERROR): Likewise.
9459 * xm-mingw32.h (HAVE_STRERROR): Likewise.
9460 * xm-pa.h (HAVE_STRERROR): Likewise.
9461 * xm-papro.h (HAVE_STRERROR): Likewise.
9462 * xm-sysv4.h (HAVE_STRERROR): Likewise.
9463 * configure, config.in: Rebuilt.
9465 * Makefile.in: Add several missing "else true" clauses.
9467 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
9468 * mips-tfile.c: Likewise.
9469 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
9470 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
9471 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
9472 * configure.in: Check for sys_siglist declaration.
9473 * configure, config.in: Rebuilt.
9475 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
9477 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
9478 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
9479 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
9480 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
9481 * rs6000/sysv4.h (extra_subtarget_switches): Added new
9482 macro EXTRA_SUBTARGET_SWITCHES.
9483 * configure.in (sh*-*-rtems*): New target.
9484 * sh/rtems.h: New file.
9485 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
9486 * configure: Rebuilt.
9488 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
9490 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
9492 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
9494 * rs6000.md: Make DF fused-add operations pay attention to
9497 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
9499 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
9501 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
9503 * pa.md (reload_peepholes): Make sure operand is a REG before
9504 examining REGNO. Allow general registers too.
9506 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
9508 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
9510 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
9512 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
9513 to reallocate abbrev_die_table.
9515 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
9517 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
9519 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9521 * Makefile.in (config.status): Depend on version.c
9523 * expr.h (insn_gen_function): Reenable prototype.
9525 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
9528 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
9530 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
9532 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
9534 * version.c: Bump for latest snapshot.
9536 * bc-optab.c: Conditionally include stdlib.h.
9537 (free): Provide a declaration if NEED_DECLARATION_FREE.
9538 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
9539 * rtl.h (free): Remove declaration.
9540 * tree.h (free): Remvoe declaration.
9542 * configure: Rebuilt.
9544 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
9546 * flags.h (flag_move_all_movables): Declare.
9547 (flag_reduce_all_givs): Likewise.
9548 * loop.c (move_movables): Handle flag_move_all_movables.
9549 (strength_reduce): Handle flag_reduce_all_givs.
9550 * toplev.c (flag_move_all_movables): Define.
9551 (flag_reduce_all_givs): Likewise.
9552 (f_options): Add -fmove-all-movables and -freduce-all-givs.
9553 * invoke.texi: Document new options, including alias stuff that
9554 wasn't included last time.
9556 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
9558 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
9561 * t-vxworks68: Ditto.
9562 * t-vxworks960: Ditto.
9565 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
9567 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
9568 if not already defined, and USE_C_ALLOCA not defined.
9570 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
9572 * config.guess: Replace with script that uses ../config.guess.
9574 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
9575 if USE_GNULIBC_1 is not defined.
9577 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
9579 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
9580 * config.guess: Recognize alpha-linux-gnulibc1.
9581 * configure.in (alpha-*-linux-gnulibc1): New target.
9582 (alpha-*-linux-gnu*): Don't build crtbegin/end.
9584 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
9586 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
9589 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
9591 * loop.c (combine_movables): Earlier insns don't match later ones.
9593 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9595 * config/linux.h (CC1_SPEC): Define it only if not defined.
9597 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
9600 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
9601 USE_GNULIBC_1 is not defined.
9603 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
9605 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
9606 as 1 if USE_GNULIBC_1 is not defined.
9608 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
9610 * reorg.c (dbr_schedule): Allow current_function_return_rtx
9611 to be something other than a REG.
9612 * function.c (expand_function_end): Fix current_function_return_rtx
9615 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
9616 * x-netbsd: Likewise
9617 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
9618 (INSTALL_HEADERS): Delete.
9619 * x-dguxbcs: Likewise.
9620 * x-hp3bsd44: Likewise
9623 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9625 * i386.md (pop): pop increments the stack pointer.
9626 (prologue_set_stack_ptr): New pattern.
9627 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
9630 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
9632 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
9633 address where an offsettable address is required.
9635 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
9637 * loop.c (check_final_value): Don't miss a biv increment in a
9640 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
9642 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
9643 TYPE_DECL_IS_STUB instead of DECL_NAME.
9645 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9647 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
9649 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
9651 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
9653 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
9655 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
9656 (find_post_sched_live): Likewise.
9658 * haifa-sched.c (schedule_block): Remove old code to get arguments
9659 from hard regs into pseudos early.
9661 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
9663 * version.c: Bump for new snapshot.
9665 * local-alloc.c (update_equiv_regs): All the target to reject
9666 promotion of some REG_EQUAL to REG_EQUIV notes.
9667 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
9669 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
9672 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
9673 store of the argument registers.
9675 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
9677 * fold-const.c (multiple_of_p): New function.
9678 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
9680 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
9682 * expr.h (insn_gen_function): Temporarily remove prototype.
9684 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
9686 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
9687 filenames. Use sed to extract base filename for install.
9689 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
9691 * unroll.c (find_splittable_givs): Only share if two givs have the
9692 same add and multiply values.
9694 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
9696 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
9697 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
9699 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
9701 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
9702 around branch tables.
9703 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
9704 and .end_brtab directives if TARGET_GAS.
9706 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
9708 * alias.c (true_dependence): Pass x_addr not x to varies.
9710 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
9711 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
9712 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
9714 * config.in, configure: Regenerate.
9716 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
9718 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
9720 (record_set): Handle LO_SUM like PLUS.
9721 (init_alias_analysis): When following chains of base addresses,
9722 do not stop on reaching a hard register.
9724 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
9726 * version.c: Bump for new snapshot.
9728 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
9730 * alpha.h (ARCH_ASM_FILE_START): Define.
9731 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
9732 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
9734 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
9736 * Makefile.in (install-common): Put gcov comment at start of line.
9738 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
9740 * alias.c (init_alias_analysis): When simplifying the reg_base_value
9741 array, simplify entries for hard registers too.
9743 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
9745 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
9748 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
9750 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
9751 block_stack before dereferencing it.
9753 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
9755 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
9757 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
9759 * cplus-dem.c: Add 'extern' to prepends_underscore.
9761 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
9763 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
9764 (get_issue_rate): Delete.
9765 * pa.h (ISSUE_RATE): Define.
9767 * configure.in: Turn on haifa by default for the PA.
9768 * configure: Rebuilt.
9769 * pa.c (override_options): Accept -mschedule=7200 option.
9770 (pa_adjust_cost): No longer need to scale costs for newer
9772 * pa.h (enum processor_type): Add PROCESSOR_7200.
9773 * pa.md: Revamp scheduling parameters to work better with
9774 haifa. Add scheduling parameters for the 7200.
9776 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
9778 (schedule_block): When adjusting basic_block_{head,end}, account
9779 for movement of SCHED_GROUP_P insns too.
9781 * haifa-sched.c (debug_dependencies): Fix thinko.
9783 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
9784 (site.exp, check, check-g++, check-gcc): New targets.
9786 * haifa-sched.c: Make lots of variables static.
9788 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
9790 * expr.h, real.h: Finish prototyping.
9792 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
9794 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
9795 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
9796 * reload1.c: Undo bugfix from Aug 11.
9798 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
9800 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
9801 quotes around the name.
9802 * configure: Regenerate.
9804 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
9806 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
9808 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
9810 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
9811 to sub-makes to avoid building more passes than the user might have
9812 requested on the command line.
9814 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
9816 * configure.in: Expurgate `broken_install' (install is
9819 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
9822 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
9824 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
9825 functions and declarations.
9826 (analyze_loop_iterations): Use condjump_p.
9827 (insert_bct): Likewise. Use exact_log2.
9829 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
9831 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
9832 (schedule_region): Likewise.
9833 (schedule_insns): Likewise.
9835 * PROJECTS: Update with Haifa stuff.
9837 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
9839 * version.c: Change the version string to look like:
9840 egcs-2.90.00 970814 (gcc2-970802 experimental).
9842 * loop.c (is_conditional_branch): Make definition match declaration.
9844 * gcc.c: Take out experimental snapshot warning message.
9846 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
9848 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
9849 print out the names of the notes. Print out the name of the insn
9850 that is not a note, and not an {,CALL_,JUMP_}INSN.
9852 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
9854 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
9855 again for the slot after we give it RTL.
9857 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
9859 * configure.in (haifa configury): Fix typo.
9860 * configure: Regenerate.
9862 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
9864 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
9866 * gcc.info*: Rebuilt.
9868 * COPYING.g77, README.g77: New files.
9869 * real.c (ereal_unto_float, ereal_unto_double): New functions.
9870 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
9871 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
9873 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
9875 * Integrate Haifa instruction scheduler.
9876 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
9877 to sched with $(SCHED_CFLAGS.
9878 * configure.in: Handle --enable-haifa.
9879 * configure: Rebuilt.
9880 * flags.h: Add new flags for haifa instruction scheduler.
9881 * genattrtab.c (expand_units): For haifa, don't subtract one
9882 when computing blockage.
9883 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
9884 (flag_schedule_speculative): Ditto.
9885 (flag_schedule_speculative_load): Ditto.
9886 (flag_schedule_speculative_load_dangerous): Ditto.
9887 (flag_schedule_reverse_before_reload): Ditto.
9888 (flag_schedule_reverse_after_reload): Ditto.
9889 (flag_branch_on_count_reg): Ditto.
9890 (f_options): Add Haifa switches.
9891 (main): Turn off some Haifa options if appropriate macro is
9892 defined. Process Haifa switches.
9893 * unroll.c (iteration_info): No longer static, since Haifa
9895 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
9896 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
9897 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
9898 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
9899 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
9900 storage for the Haifa scheduler.
9901 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
9903 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
9904 are defined, call analyze_loop_iterations and insert_bct to use
9906 (record_giv): Refine test for jumps out of loops if HAIFA is
9908 (analyze_loop_iterations): New function to identify if we can use
9910 (insert_bct): Insert countdown loop.
9911 (instrument_loop_bct): Low level code to insert countdown loop.
9912 (loop_number): Calculate UID of loop.
9913 (indirect_jump_in_function_p): Return true if an indirect jump is
9915 (is_power_of_2): Return true if value is a power of 2.
9916 (is_conditional_branch): Return true if insn is a conditional
9918 (fix_bct_param): Process -fbct-{min,max}-N switches.
9919 (check_bct_param): Return true if loop should be instrumented.
9920 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
9921 (loop_optimize): Initialize.
9922 (get_condition_for_loop): Ditto.
9923 * loop.c (strength_reduce): Inside of code that uses #ifdef
9924 HAVE_decrement_and_branch_on_count code, test it to make sure the
9926 (instrument_loop_bct): Ditto.
9927 * haifa-sched.c: New file.
9930 * Integrate regmove pass.
9931 * Makefile.in (OBJS): Add regmove.o
9932 (regmove.o): Add dependencies.
9933 * flow.c (find_use_as_address): No longer static.
9934 * rtl.h (find_use_as_address): Declare.
9935 * toplev.c (regmove_dump, flag_regmove): Define.
9936 (f_options): Add -fregmove.
9937 (regmove_dump_file, regmove_time): Define.
9938 (fatal_insn): Close the regmove dump file.
9939 (compile_file): Initialize regmove_time; open/close the regmove dump
9940 file as needed. Print regmove time as needed.
9941 (rest_of_compilation): Run regmove pass if requested, dump
9942 RTL after regmove if requested.
9943 (main): If -O2 or more, turn on regmove. Handle dump switches.
9944 * regmove.c: New file.
9946 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
9948 * Integrate tlink patch from jason@cygnus.com
9949 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
9950 (process_command): Increment n_switches for them. Don't discard
9951 their args. Validate them.
9952 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
9954 (process_command): Set include_prefixes from COMPILER_PATH.
9955 (main): Set COLLECT_GCC_OPTIONS sooner.
9956 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
9957 * tlink.c, hash.c, hash.h: New files.
9958 * Makefile.in (USE_COLLECT2): Always use collect2.
9959 (collect2): Depend on and link in hash.o and tlink.o.
9960 (tlink.o, hash.o): Add dependencies.
9962 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
9964 * Integrate alias analysis changes from jfc@mit.edu
9965 * Makefile.in (OBJS): Add alias.o
9966 (alias.o): Add dependencies.
9967 * alias.c: New file.
9968 * sched.c: Remove alias analysis code. It lives in alias.c now.
9969 (sched_analyze_2): Add new arguments to true_dependence.
9970 (schedule_insns): Always call init_alias_analysis.
9971 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
9972 mark return value from such functions as a pointer and keep track of
9973 them for alias analysis. If a return value from a function is a
9974 pointer, mark it as such.
9975 * combine.c (distribute_notes): Handle REG_NOALIAS.
9976 * cse.c (struct write_data): Delete. No longer needed.
9977 (invalidate): Don't call set_nonvarying_address_components anymore.
9978 Use true_dependence to decide if an entry should be removed from
9980 (invalidate_memory): Remove WRITES argument, simplify appropriately.
9982 (note_mem_written): Similarly for WRITE_PTR argument.
9983 (invalidate_from_clobbers): Similarly for W argument.
9984 (invalidate_for_call): Remove memory elements from the hash table.
9985 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
9986 (cse_rtx_varies_p): New function. Derived from old
9987 cse_rtx_addr_varies_p.
9988 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
9989 Don't call note_mem_written anymore. Stack pushes invalidate the stack
9990 pointer if PUSH_ROUNDING is defined. No longer need to call
9991 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
9992 (skipped_writes_memory): Remove variable.
9993 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
9994 (invalidate_skipped_block): Simplify for new alias analysis code.
9995 (cse_set_around_loop): Likewise.
9996 (cse_main): Call init_alias_analysis.
9997 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
9998 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
9999 (f_options): Add new alias checking arguments.
10000 (main): Set flag_alias_check when optimizing.
10001 * local_alloc (validate_equiv_mem_from_store): Add new arguments
10002 to true_dependence.
10003 (memref_referenced_p): Likewise.
10004 * loop.c (NUM_STORES): Increase to 30.
10005 (prescan_loop): Only non-constant calls set unknown_address_altered.
10006 (invariant_p): Add new arguments to true_dependence.
10007 (record_giv): Initialize unrolled and shared fields.
10008 (emit_iv_add_mult): Call record_base_value as needed.
10009 * loop.h (struct induction): Add unrolled and shared fields.
10010 * unroll.c (unroll_loop): Call record_base_value as needed.
10011 (copy_loop_body): Likewise.
10012 (final_biv_value): Likewise.
10013 (final_giv_value): Likewise.
10014 (find_splittable_regs): Likewise. Only create one new pseudo
10015 if we have multiple address GIVs that were combined with the same
10016 dst_reg GIV. Note when a new register is created due to unrolling.
10017 * rtl.c (reg_note_name): Add REG_NOALIAS.
10018 * rtl.h (enum reg_note): Similarly.
10019 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
10020 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
10021 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
10022 (true_dependence, read_dependence, anti_dependence): Likewise.
10023 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
10024 (mark_user_reg, mark_reg_pointer): Likewise.
10027 * Integrate reload bugfix from Wilon which enables the PA port
10028 to bootstrap again.
10029 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
10030 OPERAND_ADDRESS when computing how many registers an insn needs.
10031 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
10033 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
10034 OPADDR_ADDR reload.
10035 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
10036 in reload_reg_use_in_op_addr do not reach the end.
10037 do not reach the end.
10038 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
10039 RELOAD_FOR_OPERAND_ADDRESS.
10041 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
10043 * egcs project officially starts.