1 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
3 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
4 include and library paths from -mcygwin case. Parameterize some
5 declarations to avoid warnings. Use standard locations for include and
8 2000-11-08 Nick Clifton <nickc@redhat.com>
10 * config/arm/arm.md (mulsidi3adddi): Change output operand
11 constraint from "=&" to "=&".
12 (umulsidi3adddi): Change output operand constraint from "=&" to
15 2000-11-08 Richard Henderson <rth@redhat.com>
17 * flow.c (init_propagate_block_info): Protect the rtx stored in
18 mem_set_list from modification by find_auto_inc.
19 (mark_set_1): Likewise.
21 2000-11-08 Neil Booth <neilb@earthling.net>
23 Move directive handling into the lexer itself.
25 * cpplex.c (_cpp_lex_token): Handle directives directly.
26 In the case of a directive interrupting a function-like
27 macro invocation, use extra_char since read_ahead is
28 used to store the '#'. Return a CPP_EOF in this case.
29 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
30 (cpp_get_token): Don't handle directives here.
31 * cpplib.h: Remove CPP_DHASH token type.
33 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
35 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
36 formed using PRE_MODIFY too.
38 2000-11-08 Mark Mitchell <mark@codesourcery.com>
40 * c-tree.texi (VAR_DECL): Describe representation of GCC's
41 extension for placing variables in particular registers.
43 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
44 unprototyped C functions with no parameters.
46 2000-11-08 Jakub Jelinek <jakub@redhat.com>
48 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
49 before passing to fprintf.
51 2000-11-08 Jakub Jelinek <jakub@redhat.com>
53 * function.c (expand_function_start): Cast GET_MODE_SIZE to
54 HOST_WIDE_INT before negating it.
56 2000-11-08 Jakub Jelinek <jakub@redhat.com>
58 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
59 passed in multiple non-contiguous locations.
61 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
63 * README.gnat: Remove file.
65 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
67 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
70 2000-11-07 Richard Henderson <rth@redhat.com>
72 * dwarfout.c (INSN_LABEL_FMT): Remove.
73 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
74 (dwarfout_label): Remove.
75 * dwarfout.h: Remove it's prototype.
76 * dwarf2out.c (INSN_LABEL_FMT): Remove.
77 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
78 (dwarf2out_label): Remove.
79 * dwarf2out.h: Remove it's prototype.
80 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
82 2000-11-07 Richard Henderson <rth@redhat.com>
84 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
85 search on the unwind region section.
87 * config/ia64/ia64.md (movbi): Add r/r alternative.
88 (cmovdi_internal_astep): Describe all combinations of register
89 classes for sources & destinations; remove matching constraints.
90 (cmovdi_internal): Likewise.
92 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
94 2000-11-07 Richard Henderson <rth@redhat.com>
96 * c-lang.c (start_cdtor, finish_cdtor): New functions.
97 (finish_file): Use them in building constructor/destructor functions.
99 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
100 LD_FINI_SWITCH): Move ...
101 * config/alpha/osf.h: ... here.
102 * config/alpha/alpha-interix.h: Don't undef them.
104 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
106 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
107 included in libgcc.a.
109 (dp-bit.c): Likewise.
110 (fp-bit.c): Likewise.
112 2000-11-07 Nick Clifton <nickc@redhat.com>
114 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
115 (INTERNAL_ASM_OP): Add missing tab.
117 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
119 * alias.c (init_alias_analysis), calls.c (expand_call,
120 emit_library_call_value_1), combine.c (init_reg_last_arrays),
121 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
122 (init_output_buffer, set_diagnostic_context), dwarf2out.c
123 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
124 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
125 function.c (assign_parms), gcse.c (compute_can_copy,
126 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
127 compute_hash_table, compute_set_hash_table,
128 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
129 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
130 clear_units, schedule_block), integrate.c (initialize_for_inline,
131 expand_inline_function), jump.c (thread_jumps), local-alloc.c
132 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
133 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
134 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
135 record_reg_classes, allocate_reg_info), reload.c
136 (get_secondary_mem, remove_address_replacements, find_reloads),
137 reload1.c (reload, set_initial_label_offsets, finish_spills,
138 reload_as_needed, choose_reload_regs_init,
139 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
140 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
141 (rename_registers), stmt.c (expand_end_case), unroll.c
142 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
143 () instead of bzero ().
145 2000-11-07 Neil Booth <neilb@earthling.net>
147 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
149 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
151 * c-common.c (combine_strings): Only warn about long strings for C.
153 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
155 * combine.c (distribute_notes): Fix typo in last change.
157 2000-11-07 Geoff Keating <geoffk@redhat.com>
159 * config/rs6000/rs6000.md (movdi_internal32+1): Use
160 operand_subreg_force rather than gen_rtx_SUBREG.
161 (movdi_internal32+2): Likewise.
163 2000-11-07 Philip Blundell <philb@gnu.org>
165 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
166 * config/arm/linux-aout.h: Likewise.
167 * configure: Regenerate.
169 2000-11-07 Philipp Thomas <pthomas@suse.de>
171 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
172 accepted my the gettext maintainer.
174 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
176 * builtins.c (expand_builtin_strpbrk): New function.
177 (expand_builtin): Handle BUILT_IN_STRPBRK.
179 * builtins.def (BUILT_IN_STRPBRK): New entry.
181 * c-common.c (c_common_nodes_and_builtins): Declare builtin
184 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
186 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
187 * POTFILES.in: Add config/alpha/freebsd.h
188 * configure.in: Add alpha*-freebsd support.
189 * configure: Regenerate.
191 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
193 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
194 copy of ptr_type_node rather than ptr_type_node itself.
196 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
198 * combine.c (recog_for_combine): Allocate uninitialized vector with
200 * recog.c (apply_change_group): Likewise.
202 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
204 * flow.c (verify_local_live_at_start): Back out last change.
205 * combine.c (distribute_notes): When parts of a hard reg are
206 neither set nor referenced in PLACE, search backwards for a
207 place to put a REG_UNUSED note; if none found, ask for flow
210 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
212 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
213 with (clobber (match_scratch...)).
215 2000-11-06 Neil Booth <neilb@earthling.net>
217 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
220 2000-11-06 Neil Booth <neilb@earthling.net>
222 * tradcpp.c (special_symbol): Assign an null string rather
223 than writing to an unallocated buffer.
225 2000-11-06 Neil Booth <neilb@earthling.net>
227 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
230 2000-11-06 Neil Booth <neilb@earthling.net>
232 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
233 tok.val.arg_no as appropriate.
234 * cppexp.c (lex): Similarly.
235 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
236 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
237 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
238 cpp_macro_definition): Similarly.
239 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
241 2000-11-06 Jakub Jelinek <jakub@redhat.com>
243 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
244 operands[1] is constant, calculate the sum and generate movdi.
245 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
246 (subsi3): Use SImode in call to arith_4096_operand.
248 2000-11-06 Jakub Jelinek <jakub@redhat.com>
250 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
251 adjust %o1, not %o0 if the return type is large structure.
253 2000-11-06 Jakub Jelinek <jakub@redhat.com>
255 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
256 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
258 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
260 * expmed.c (expand_divmod): For signed divide by 2, prefer
261 a branch and fewer shifts if branches are very cheap.
263 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
265 * Makefile.in: Remove all targets related to building
266 distributions and diffs, or INSTALL.
267 * INSTALL, install1.texi: Remove.
268 * configure.in: Remove mention of distdir.
269 * configure: Regenerate.
270 * objc/Make-lang.in: Remove mention of distdir.
272 2000-11-04 Neil Booth <neilb@earthling.net>
274 * cpp.texi: Update for _Pragma.
276 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
278 * gcc.texi (Contributing): Update URL for projects web page.
280 2000-11-04 Neil Booth <neilb@earthling.net>
282 * cpplex.c (parse_string): Don't allow multiline strings in
283 #include family directives.
285 2000-11-04 Neil Booth <neilb@earthling.net>
287 * cpplib.c (do_line): Only warn pedantically if not reading
290 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
292 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
295 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
297 * builtins.c (expand_builtin_strlen): Remove unused mode
299 * gcc.c (process_command): Remove unused variable.
300 * fold-const.c: Include expr.h.
301 * recog.c: Include reload.h.
302 * Makefile.in (recog.o, fold-const.o): Update deps.
304 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
306 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
308 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
310 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
312 (STARTFILE_SPEC): Likewise.
313 (LINK_SPEC): Likewise.
315 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
317 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
318 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
319 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
321 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
323 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
324 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
325 perm_calloc, get_identifier, maybe_get_identifier,
326 real_value_from_int_cst, simple_cst_equal), varasm.c
327 (assemble_name, assemble_real, immed_real_const_1,
328 compare_constant_1, decode_rtx_const, output_constant_pool): Use
329 strrchr () instead of rindex (). Use memcmp () instead of bcmp
330 (). Use memcpy () instead of bcopy (). Use memset () instead of
333 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
335 * cppfiles.c (open_file): If already read, then don't reopen.
336 Immediately close an empty file.
338 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
340 * expr.h (fold_builtin): Move declaration...
341 * tree.h (fold_builtin): ... here.
343 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
345 * flow.c (verify_local_live_at_start): Allow hard regs to die.
347 2000-11-02 Neil Booth <neilb@earthling.net>
350 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
351 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
352 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
353 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
354 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
355 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
356 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
357 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
358 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
359 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
360 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
361 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
362 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
363 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
364 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
365 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
366 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
367 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
368 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
369 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
370 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
371 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
372 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
373 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
374 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
375 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
376 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
377 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
378 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
379 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
380 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
381 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
382 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
383 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
384 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
385 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
386 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
387 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
388 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
389 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
390 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
391 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
392 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
393 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
394 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
395 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
396 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
397 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
398 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
399 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
400 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
401 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
402 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
403 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
404 vax/vaxv.h, vax/vms.h, we32k/we32k.h
406 Replace -A() with -A=, the new assertion syntax.
408 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
410 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
412 In REG_DEAD handling: When handling parts of multi-hard-reg hard
413 registers, increment the loop counter by the size of the parts;
414 use recursion to handle individual parts.
416 2000-11-02 Neil Booth <neilb@earthling.net>
418 * configure.in: Make integrated CPP the default.
419 * configure: Regenerate.
421 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
423 * reload.c (find_equiv_reg): Test all hard registers for membership
424 in the requested class.
426 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
428 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
429 process_command, main), gcov.c (open_files, output_data), tlink.c
430 (frob_extension, scan_linker_output), toplev.c
431 (file_name_nondirectory): Use strchr () and strrchr () instead of
432 index () and rindex ().
434 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
436 * c-common.c (get_flag_spec, check_format_info_main,
437 check_format_types): Use strchr () instead of index (). Compare
438 against error_mark_node instead of comparing the TREE_CODE against
441 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
445 * c-lex.c (init_c_lex): Update cpp_start_read call.
446 (cb_ident): Update for new callback prototype.
447 (cb_def_pragma): Update for new cpp_get_token prototype.
448 (c_lex): Similarly. Use cpp_get_line.
450 * c-parse.in (finish_parse): Update for new cpp_finish
453 * cp/lex.c (finish_parse): Similarly.
455 2000-11-01 Geoff Keating <geoffk@cygnus.com>
457 * machmode.def: Add V16QImode.
459 2000-11-01 Richard Henderson <rth@redhat.com>
461 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
462 from rtl_for_decl_location.
463 (add_location_or_const_value_attribute): Likewise.
465 2000-11-01 Neil Booth <neilb@earthling.net>
467 * cpplib.c (run_directive): Use correct line number for output
468 of _Pragma. Remember any in-progress directive.
470 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
472 2000-11-01 Richard Henderson <rth@redhat.com>
474 * stmt.c (expand_start_null_loop): Set continue_label.
476 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
478 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
479 (expand_builtin_constant_p): Move parts of the code into
480 fold_builtin_constant_p.
481 (expand_builtin_strlen): Move parts of the code into fold_builtin.
482 * expr.h (fold_builtin): Declare.
483 * fold-const.c (fold): Handle builtin calls.
485 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
487 2000-11-01 Richard Henderson <rth@redhat.com>
489 * stmt.c (expand_start_null_loop): New.
490 (expand_end_null_loop): New.
491 * c-semantics.c (genrtl_do_stmt): Use them.
492 * tree.h: Declare them.
494 2000-11-01 Richard Henderson <rth@redhat.com>
496 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
498 2000-11-01 Neil Booth <neilb@earthling.net>
500 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
501 * cp/spew.c: Similarly.
502 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
503 * cppmacro.c (stringify_arg): Similarly.
504 * cpplib.h (CPP_BACKSLASH): Delete.
506 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
508 * builtins.c (expand_builtin_strstr): New function.
509 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
511 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
513 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
516 2000-10-31 Richard Henderson <rth@redhat.com>
518 * config/i386/i386.c (fcmov_comparison_operator): Check for
519 CCFPmode or CCFPUmode instead of CCmode.
520 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
521 unordered operations as well.
523 2000-10-31 Richard Henderson <rth@redhat.com>
525 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
526 of integer_zero_node.
528 2000-10-31 Richard Henderson <rth@redhat.com>
530 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
532 2000-10-31 Nick Clifton <nickc@redhat.com>
534 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
535 -fdata-sections to override the section attribute of a DECL.
537 2000-10-31 Chris Demetriou <cgd@sibyte.com>
539 * libgcc2.c (__shtab): Remove __shtab variable.
540 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
541 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
544 2000-10-31 Jim Wilson <wilson@redhat.com>
546 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
547 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
548 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
549 instead of ASM_OUTPUT_INTERNAL_LABEL.
550 (dwarf2out_end_block, dwarf2out_label): Likewise.
551 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
552 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
554 2000-10-31 Richard Henderson <rth@redhat.com>
556 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
557 (size_of_locs): Set it.
558 (output_loc_operands): Use it to compute branch displacement.
559 (int_loc_descriptor): New.
560 (mem_loc_descriptor): Dereference memory in the proper size.
561 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
562 (loc_descriptor_from_tree): New.
563 (rtl_for_decl_location): Break out from ...
564 (add_location_or_const_value_attribute): ... here.
565 (add_bound_info): Use loc_descriptor_from_tree.
567 2000-10-31 Neil Booth <neilb@earthling.net>
569 * cpp.texi: Update for new command line assertion syntax.
570 * cpplib.c (cpp_define): Simplify a bit.
571 (cpp_assert, cpp_unassert): Use handle_assertion.
572 (handle_assertion): New function; accept new command line
574 * testsuite/gcc.dg/cpp/assert3.c: New tests.
576 2000-10-31 Neil Booth <neilb@earthling.net>
578 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
579 undefined. Remove #ifdef check.
580 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
581 Define STDC_0_IN_SYSTEM_HEADERS to 1.
583 2000-10-31 Jan Hubicka <jh@suse.cz>
584 Jakub Jelinek <jakub@redhat.com>
586 * config/i386/i386.h: Clarify CCNOmode description in comment.
587 (EXTRA_CC_MODES): Remove CCRCmode.
588 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
589 (put_condition_code, ix86_match_ccmode): Likewise.
590 (ix86_cc_mode): Likewise. Fix comment.
591 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
592 * config/i386/i386.md: Add unspec 12 description.
593 (adddi3 split): Use unspec 12 instead of CCRCmode.
594 (addsi3_carry_rc): Remove.
595 (addsi3_cc, addqi3_cc): New patterns.
596 (addsi_3): Swap operands, match CCZmode.
597 (addsi_4): Rewritten.
598 (addsi_5): Renamed from addsi_6.
600 (addhi_3): Swap operands, match CCZmode.
601 (addhi_4): Rewritten.
602 (addhi_5): Renamed from addhi_6.
604 (addqi_3): Swap operands, match CCZmode.
605 (addqi_4): Rewritten.
606 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
607 (subsi3_carry_rc): Removed.
608 (iorqi_3): Use =q constraint for clobber.
609 (xorqi_cc_2): Likewise.
610 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
611 (x86_movsicc_0_m1_rc): Removed.
612 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
614 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
616 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
617 and decrement of complex types.
619 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
621 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
622 builtin fputs, ensure we still evaluate the stream in case it
625 2000-10-31 Jakub Jelinek <jakub@redhat.com>
627 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
630 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
632 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
633 (fp_extended_operand, emit_fpscr_use): Likewise.
634 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
635 (fpul_operand): New function.
636 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
637 fp_extended_operand. Add fpul_operand.
638 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
639 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
640 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
641 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
642 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
643 (divdf3_i): Likewise.
644 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
645 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
646 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
647 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
648 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
650 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
652 * config/i386/i386.c (ix86_init_builtins): Correct return type
653 building v4hi_ftype_v4hi_int_int tree node.
654 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
655 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
657 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
659 (mmx__uavgv8qi3): Correct insn mnemonic.
660 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
661 (mmx_punpckhwd): Correct insn mnemonic.
662 (mmx_punpckhdq): Likewise.
663 (mmx_punpcklwd): Likewise.
664 (mmx_punpckldq): Likewise.
665 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
666 Renumber case labels to match the _mm_prefetch constants defined in
669 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
670 if the splitter didn't emit new insns.
671 Make sure we call cleanup_subreg_operands even when splitting the last
672 insn in a basic block.
674 * invoke.texi (Debugging Options): Describe -do.
675 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
676 (dump_file): Likewise.
677 (rest_of_compilation): Split .greg dump into .greg and .postreload.
679 2000-10-30 Neil Booth <neilb@earthling.net>
681 * cppfiles.c (stack_include_file): Check for stacked contexts
683 * cpphash.h (_cpp_do__Pragma): New prototype.
684 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
686 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
687 escaped newlines if !(buffer->from_stage3).
688 (_cpp_lex_token): Warn about missing newlines iff
689 !buffer->from_stage3.
691 * cpplib.c (get__Pragma_string, destringize,
692 _cpp_do__Pragma): New functions.
693 (run_directive): Set output_line for _Pragma to avoid line
694 markers in output. Set from_stage3 and prevent macro expansion
695 for _Pragma and command-line options. Check buffer exhaustion.
696 (cpp_push_buffer): Don't check for stacked macro contexts, as
697 this is perfectly legitimate for _Pragma. Move the check to
698 stack_include_file instead. Set from_stage3 iff buffer is
701 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
702 unsigned. New boolean from_stage3.
703 (struct spec_nodes): Add n__Pragma.
705 * cppmacro.c (enter_macro_context): Flip sense of return value.
706 (_cpp_get_token): Handle _Pragma operator.
708 2000-10-30 Phil Edwards <pme@sources.redhat.com>
710 * gcc.texi: The C++ standard isn't "draft" anymore.
712 2000-10-30 Mark Mitchell <mark@codesourcery.com>
714 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
716 2000-10-29 Neil Booth <neilb@earthling.net>
718 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
720 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
722 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
723 fixinc/inclhack.def: Change comments mentioning C9X to refer to
726 * invoke.texi: Document that -V will only work for very similar
727 versions of driver and compiler.
729 2000-10-29 Neil Booth <neilb@earthling.net>
731 * cppmacro.c (_cpp_create_definition): Optimize the case of
732 a macro defined to itself.
734 2000-10-29 Neil Booth <neilb@earthling.net>
736 * cpplex.c (save_comment): Don't store new lines in C++ comments.
738 2000-10-29 Michael Hayes <mhayes@redhat.com>
740 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
742 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
744 * cpphash.c (cpp_forall_identifiers): Add context variable
745 for callback routine.
746 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
748 (main): Call cpp_forall_identifiers with null context.
749 * cpplib.h (cpp_forall_identifiers): Update prototype.
751 * cppmain.c: Make `parse_in' and `print' static.
753 2000-10-28 Alan Modra <alan@linuxcare.com.au>
755 * c-decl.c (finish_function): Clear c_function_name_declared_p.
757 2000-10-28 Richard Henderson <rth@redhat.com>
759 * regrename.c (scan_rtx_address): Frob action, not class,
760 when trying to disable optimization.
762 2000-10-28 Mark Mitchell <mark@codesourcery.com>
764 * c-semantics.c (make_rtl_for_local_static): Don't clobber
767 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
769 * configure.in: Determine and substitute gcc_version_full.
770 * configure: Regenerate.
771 * gccbug.in: Use it to give full version. Don't allow
774 2000-10-28 Richard Henderson <rth@redhat.com>
776 * recog.c (split_all_insns): Run cleanup_subreg_operands
779 * regrename.c (regrename_optimize): Verify that all registers of
780 a multiple register mode are available.
781 (scan_rtx_address): Accept the mode of the address; all callers
784 * cpplib.c (run_directive): Fix prototype.
786 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
788 * reload.c (find_reloads): Distinguish "wins" so that we know whether
789 a given operand won because of a matching constraint or not; then use
790 that information to compute goal_alternative_matched properly.
791 * reload1.c (choose_reload_regs): Never set reload_override_in for an
794 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
795 accurate value for MULT.
796 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
797 2% or > 98% before using static branch prediction bits.
799 2000-10-28 Neil Booth <neilb@earthling.net>
803 * cpplib.c (struct answer): New.
804 (struct if_stack): Use cpp_lexer_pos rather than line and col.
805 Rename cmacro mi_cmacro.
806 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
807 IN_I): New directive and flags.
808 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
809 parse_answer, parse_assertion, find_answer): New functions.
810 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
811 (lex_macro_node): New function to replace parse_ifdef and
814 (_cpp_handle_directive): New function, combines _cpp_check_directive
815 and _cpp_check_linemarker.
817 (do_define, do_undef, parse_include, do_include, do_import,
818 do_include_next, read_line_number, do_line, do_ident, do_pragma,
819 do_pragma_once, do_pragma_poison, do_pragma_dependency):
820 Update for new token getting interface.
822 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
823 : Update for new multiple-include optimisation technique.
824 (do_elif): Don't forget to invalidate controlling macros.
826 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
827 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
828 Functions to handle assertions with the new token interface.
829 (do_assert, do_unassert): Use them.
831 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
834 (_cpp_init_stacks): Register directive names. Don't register special
837 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
838 new position recording regime.
839 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
840 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
841 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
842 (cpp_type2name): Move to cpplex.c.
844 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
845 (parse_defined): Update to handle new multiple include optimisation
846 method. Remove poisoned identifier warning.
847 (parse_assertion, TYPE_NAME): Delete.
848 (lex): Update for multiple include optimisation, removal of
849 CPP_DEFINED, to use _cpp_test_assertion for assertions and
851 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
852 (op_as_text): New function, to wrap cpp_token_as_text.
854 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
855 Update for MI optimisation.
856 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
857 segfault on diagnostic.
858 (_cpp_compare_file_date): Take a token rather than 3 args.
859 (cpp_read_file): Work correctly for zero-length files.
861 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
862 _cpp_init_hashtable and _cpp_cleanup_hashtable.
863 (cpp_lookup): Place identifiers at front of identifier pool
864 for _cpp_lookup_with_hash.
865 (_cpp_lookup_with_hash): Require identifiers to be at the front of
866 the identifier pool. Commit the memory if not already in the
869 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
870 Initialise various members of cpp_reader, memory pools, and the
872 (cpp_printer_init): Delete.
873 (cpp_cleanup): Update.
874 (struct builtin, builtin_array, initialize_builtins): Update for new
875 hashnode definition and builtin handling.
876 (cpp_start_read, cpp_finish): Don't take or initialise a
879 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
880 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
881 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
882 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
883 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
884 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
885 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
886 struct toklist, struct cpp_context, struct specnodes,
887 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
888 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
889 enum builtin_type, cpp_can_paste): New.
890 (struct cpp_token): Delete line and col members.
891 (struct cpp_buffer): New member output_lineno.
892 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
893 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
894 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
895 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
896 base_context, context, directive, mi_state, mi_if_not_defined,
897 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
898 mlstring_pos, macro_buffer, macro_buffer_len.
899 Delete members mls_line, mls_column, token_list, potential_control_macro,
900 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
901 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
902 save_parameter_spellings, need_newline, .
903 Change type of date, time and spec_nodes members.
904 Change prototypes for include and ident callbacks.
905 (struct cpp_hashnode): Change type of name. Remove union members
906 expansion and code. Add members macro, operator and builtin.
908 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
909 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
910 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
911 cpp_stop_lookahead): New prototypes.
912 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
914 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
917 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
918 ufputs): Move to cpplib.h.
919 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
920 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
921 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
922 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
923 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
924 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
925 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
926 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
927 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
928 _cpp_parse_assertion, _cpp_find_answer): Delete.
929 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
930 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
931 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
932 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
933 _cpp_handle_directive, DSC): New.
934 (struct include_file): New member defined.
936 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
937 _cpp_compare_file_date): Update.
938 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
939 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
940 _cpp_cleanup_hashtable.
942 * Makefile.in: Remove cppoutput.c.
944 * cppoutput.c: Delete
946 * fixheader.c (read_scan_file): Update for new cpp_get_token
948 (recognized_function): New argument LINE.
950 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
951 new cpp_get_token prototype.
953 * scan.h (recognized_function): Update prototype.
955 * po/POTFILES.in: Remove cppoutput.c.
957 2000-10-27 Mark Mitchell <mark@codesourcery.com>
959 * c-typeck.c (check_init_type_bitfields): Remove.
960 (constructor_incremental): Likewise.
961 (struct constructor_stack): Remove incremental bit.
962 (struct initializer_stack): Likewise.
963 (start_init): Don't play with constructor_incremental.
964 (finish_init): Likewise.
965 (really_start_incremental_init): Likewise.
966 (push_init_level): Likewise.
967 (pop_init_level): Likewise.
968 (output_init_level): Likewise.
969 (output_pending_init_elements): Likewise.
971 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
973 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
974 Improve error messages. Correct parsing of
975 #pragma pack(pop [,id]). Do not check the user-supplied
976 alignment if we're popping.
978 * gcc.dg/pack-test-1.c: New test case.
979 * gcc.dg/pack-test-2.c: New test case.
980 * gcc.dg/pack-test-1.h: New file.
982 2000-10-27 Neil Booth <neilb@earthling.net>
986 2000-10-27 Kelley Cook <kelley.cook@home.com>
988 * invoke.texi: Document -mintel-syntax
990 2000-10-27 Richard Henderson <rth@redhat.com>
992 * invoke.texi: Document -frename-registers. Add it to -O3.
993 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
994 (enum dump_file_index, dump_file): Update order.
995 (main): Set flag_rename_registers at -O3.
997 2000-10-27 Richard Henderson <rth@redhat.com>
999 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
1000 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
1001 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
1002 * config/alpha/alpha.md (call_osf_1): Use it.
1003 (call_value_osf_1): Likewise.
1005 * config/ia64/ia64.c: Revert 10-23 patch.
1006 (ia64_hard_regno_rename_ok): New.
1007 * config/ia64/ia64-protos.h: Declare it.
1008 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
1010 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
1011 Richard Henderson <rth@redhat.com>
1013 * regrename.c: Rewrite to handle multi-register modes and
1014 cond_exec instructions.
1015 * Makefile.in (regrename.o): Update dependancies.
1016 * recog.h (struct operand_alternative): Add is_address.
1017 * recog.c (preprocess_constraints) [case 'p']: Set it.
1019 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
1021 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
1022 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
1023 top level. Kill oldstyle_subdirs. Do not include
1024 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
1025 $outputs. Do not run configure.lang from config.status.
1026 Rearrange warning-flag logic to correspond to what the
1027 makefile wants. Put special vax stage1 options in
1028 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
1029 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
1030 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
1031 switch is given, nothing otherwise.
1032 * configure.lang: Delete.
1034 * Makefile.in: Expunge all traces of extra_c_objs,
1035 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
1036 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
1037 warning options via a three level scheme so that -pedantic and
1038 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
1039 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
1040 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
1041 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
1042 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
1043 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
1044 generation rules. Wrap all rules that change the current
1045 directory in parentheses; pmake doesn't spawn a new shell for
1046 each command. Expunge all references to $(P). When one
1047 command depends on another and they're run all at once, use &&
1048 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
1049 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
1052 * objc/Make-lang.in: Wrap all rules that change the current
1053 directory in parentheses. Expunge all references to $(P).
1054 When one command depends on another and they're run all at
1055 once, use && to separate them, not ;. Add OUTPUT_OPTION to
1056 all object-file generation rules. Delete obsolete variables.
1057 * objc/Makefile.in: Delete.
1059 2000-10-27 Jakub Jelinek <jakub@redhat.com>
1061 * calls.c (expand_call): If sibcall_failure is set during pass 1,
1062 clear tail_call_insns as well.
1064 2000-10-27 Nick Clifton <nickc@redhat.com>
1066 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
1069 2000-10-26 Richard Henderson <rth@redhat.com>
1071 * calls.c (expand_call): Supress sibcall if we have a
1072 BLKmode return in registers.
1074 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
1076 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
1079 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
1081 * tree.c (make_node, case 't'): Set alignment to that of
1083 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
1085 2000-10-25 Mark Mitchell <mark@codesourcery.com>
1087 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
1088 * configure.in (enable-libstdcxx-v3): Arrange to have
1089 HAVE_LIBSTDCXX_V3 substituted into the output files.
1091 2000-10-25 Richard Henderson <rth@redhat.com>
1093 * recog.c (constrain_operands): Initialize which_alternative
1094 before no alternatives early exit.
1096 * cse.c (find_comparison_args): Check that we can reverse a
1097 comparison if needed before accepting the substitution.
1099 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
1101 * simplify-rtx.c (simplify_relational_operation): Sign extend
1102 low words before sign extending to high words.
1104 2000-10-25 Nick Clifton <nickc@redhat.com>
1106 * config/mcore/mcore.c: Include config.h before system.h.
1108 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
1110 * config/mcore/mcore.md (return): Force function epilogue to
1111 always be generated to work around epilogue suppression bug in
1114 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
1116 * c-decl.c (grokdeclarator): Move warning for qualified void
1117 return types with -pedantic to when the function type is
1118 constructed. At -W, warn in general for qualified function return
1119 types, except for volatile void.
1120 * invoke.texi: Document this new warning at -W.
1122 2000-10-25 Neil Booth <neilb@earthling.net>
1124 * cpp.texi: Update with implementation-defined behavior and
1127 2000-10-25 Jakub Jelinek <jakub@redhat.com>
1129 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
1130 incomplete type force it into alias set 0.
1132 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
1134 * alias.c: Include basic-block.h.
1135 (loop_p): New function.
1136 (mark_constant_function): Use it.
1137 * Makefile.in (alias.o): Update dependencies.
1139 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
1141 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
1144 2000-10-24 Jim Wilson <wilson@cygnus.com>
1146 * expmed.c (store_bit_field): Move integer pun code down after
1147 code that calls emit_move_insn for entire register move.
1148 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
1149 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
1151 2000-10-24 Richard Henderson <rth@cygnus.com>
1153 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
1154 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
1156 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
1158 * gcse.c (cprop_insn): do not propagate constants into jump_insn
1159 for machines with CC0 more than once.
1161 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
1163 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
1164 pseudos just like memory.
1166 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
1168 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
1169 when deleting libcall sequence collapsed to a single instruction.
1171 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
1173 * expr.c (do_store_flag): Don't crash if either side of a
1174 comparison is error_mark_node.
1176 2000-10-24 Jakub Jelinek <jakub@redhat.com>
1178 * sibcall.c (purge_mem_unchanging_flag): New function.
1179 (optimize_sibling_and_tail_recursive_calls): Call it.
1181 2000-10-24 Philipp Thomas <pthomas@suse.de>
1183 * Makefile.in (check-po): New target for doing checks in the po
1184 subdir if all languages configured.
1185 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
1186 configure if NLS is enabled.
1187 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
1188 otherwise leave empty.
1189 * configure: Regenerate.
1191 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1193 * i386.c (print_operand): Handle new 'A' formatting code.
1194 387 opcodes need suffixes even with -mintel-syntax.
1195 Check for explicit size override (codes 'b', 'w' and 'k').
1196 (print_operand_address): Check if register prefix is needed when
1197 emitting `ds' segment override.
1198 * i386.h: Add comment about new 'A' formatting code.
1199 * i386.md (jump and call patterns): Emit absolute references using %A.
1201 2000-10-23 Richard Henderson <rth@cygnus.com>
1203 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
1204 output registers as fixed.
1205 (ia64_function_epilogue): Undo output fixation.
1207 2000-10-23 Richard Henderson <rth@cygnus.com>
1209 * config/alpha/alpha.md: Add names for all unnamed insns; use
1210 define_insn_and_split in some obvious places.
1212 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
1213 (zero_extendqisi2, zero_extendqidi2): Likewise.
1214 (zero_extendhisi2, zero_extendhidi2): Likewise.
1215 (abs splitters): Fix match_scratch operand number.
1216 (bcc_reverse): Swap pc & label instead of non-canonical compare.
1218 2000-10-23 Jim Wilson <wilson@cygnus.com>
1220 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
1222 * ia64.md (cmpsi_adjusted): Use %r3.
1223 (cmpdi_adjusted): Likewise.
1225 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1227 * config/i386/att.h (ASM_FILE_START): Define.
1229 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1231 * config/i386/linux.h (ASM_FILE_START): Define.
1233 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
1235 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
1236 since this (only) drags in a crt0.o reference that the .ld files
1239 2000-10-23 Geoff Keating <geoffk@cygnus.com>
1241 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
1242 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
1243 reloads just like an RELOAD_FOR_OUTPUT would.
1245 * local-alloc.c (update_equiv_regs): Add an abort(). When
1246 deleting or moving insns, update reg_equiv[regno].init_insns.
1248 2000-10-23 Mark Mitchell <mark@codesourcery.com>
1250 * c-tree.texi: Improve documentation for IF_STMTs and related
1251 conditional statements.
1253 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1255 * expr.c (do_preexpand_calls): Remove.
1256 (same_from_p): Don't use CALL_EXPR_RTL.
1257 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
1258 (preexpand_calls): Remove.
1259 * tree.c (first_rtl_op): Remove CALL_EXPR case.
1260 (unsave_expr_1): Likewise.
1261 * tree.def (CALL_EXPR): Give it only two slots.
1262 * tree.h (CALL_EXPR_RTL): Remove.
1264 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
1266 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
1267 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1270 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
1272 * calls.c (combine_pending_stack_adjustment_and_call): Don't
1273 adjust stack when unadjusted_alignment ends up as zero.
1275 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
1277 * fixinc/genfixes: Remove EGCS reference.
1278 * install.texi: Remove EGCS reference.
1279 * INSTALL: Regenerate.
1281 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1283 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
1285 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
1287 * diagnostic.c: Remove EGCS reference in comment.
1289 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1291 * loop.c (strength_reduce): Fix error in last change.
1293 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1295 * Makefile.in (SHLIB_NM_FLAGS): New.
1296 (libgcc.mk): Pass it.
1297 * mklibgcc.in (libgcc.map): Use it.
1299 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
1300 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
1302 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1304 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
1306 * sparc.c (load_pic_register): Delete unused varaible.
1308 * libgcc2.c (__addvsi3): Delete unused variable.
1310 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
1311 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
1312 __negvdi2): Prototype.
1314 * ssa.c (apply_delayed_renames): Avoid undefined operation.
1316 * toplev.c (display_target_options): Make static to match
1317 prototype. Delete empty declaration.
1319 2000-10-20 Tom Tromey <tromey@cygnus.com>
1321 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1322 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1324 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1326 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
1328 (expand_expr_unaligned, case ARRAY_REF): Check that index is
1329 a constant before comparing it; use tree_low_cst.
1330 * tree.c (save_expr): Set TREE_READONLY.
1331 (substitute_expr): Return inside of NON_LVALUE_EXPR.
1332 (build, build1): Set TREE_READONLY if all operands are.
1333 (build_index_type): If upper bound is a negative number, lower
1334 bound is zero and sizetype is unsigned, use upper bound of one and
1337 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1339 * gcc.c (process_command, main): Use "because" instead of
1340 "since" in error messages.
1342 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1344 * stor-layout.c (compute_record_mode): Use tree_low_cst.
1345 Don't use mode of field for record unless sizes are the same.
1346 (layout_type, case ARRAY_TYPE): Remove special bounds handling
1347 previously added for Ada; also change to using host_integerp
1350 * loop.c (strength_reduce): Show when new register made for
1351 giv is known to be a pointer and its aligment if so and known.
1352 (loop_dump_aux): Show VERBOSE parameter unused.
1354 * gcse.c (set_hash_table_size): Now unsigned.
1355 * sdbout.c (template_name_p): Add "const" to avoid warnings.
1356 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
1357 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
1358 (sdbout_end_epilogue): Remove variable NAME.
1359 * system.h (getopt): Add default definition.
1360 * config/alpha/alpha.c (print_operand): Don't continue processing
1361 after issuing error.
1362 (summarize_insn): Avoid use of UL in constant.
1364 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
1366 * fold-const.c (force_fit_type): Unsigned values can overflow
1367 if they are sizetype.
1368 (int_const_binop): Don't use cache if overflows.
1370 2000-10-20 Richard Henderson <rth@cygnus.com>
1372 * function.c (locate_and_pad_parm): Zero alignment_pad.
1374 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
1375 perform substitutions, and apply_change_group to see if it worked.
1377 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1379 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
1381 * combine.c (struct undo): Change int to unsigned int.
1382 (do_SUBST_INT): Args are unsigned int.
1383 (make_extraction, force_to_mode): Use proper type when forming mask.
1384 (make_field_assignment): Likewise.
1386 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
1388 * c-common.c (check_format_info_recurse): Extract string constant
1389 initializers from non-volatile constant arrays and check them as
1391 * c-typeck.c (decl_constant_value): Don't check pedantic or check
1392 for DECL_MODE (decl) != BLKmode.
1393 (decl_constant_value_for_broken_optimization): New function which
1394 includes these checks.
1395 (default_conversion, convert_for_assignment, digest_init): Use
1396 decl_constant_value_for_broken_optimization instead of
1397 decl_constant_value.
1399 2000-10-20 Mark Mitchell <mark@codesourcery.com>
1401 * tree.h (DECL_ALIGN_UNIT): New macro.
1403 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
1405 * config/avr/avr-protos.h (avr_output_bld): New.
1406 (out_shift_with_cnt): Add t_len argument.
1407 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
1408 (output_movqi, output_movhi, output_movsisf): Optimize loading
1409 any constant with exactly one bit set to NO_LD_REGS.
1410 (out_shift_with_cnt): Optimize output code for size or speed,
1411 depending on optimize_size. Handle small shift counts as well
1412 (if not hand-optimized in ?sh??i3_out). Shifts can be done
1413 with or without a scratch register, with help of __tmp_reg__
1414 or __zero_reg__ if necessary. Add T_LEN argument to pass the
1415 length of TEMPLATE in words, return total insn length in *LEN.
1416 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
1417 out_shift_with_cnt to work with the above change.
1418 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
1419 lshrsi3_out): Likewise. Optimize more known shift count cases.
1420 Remove cases already well optimized in out_shift_with_cnt.
1421 (avr_output_bld): New function.
1422 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
1423 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
1424 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
1425 Add reload_completed to insn condition - only for peepholes.
1426 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
1427 in a register or memory.
1428 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
1429 Do not require a scratch register.
1430 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
1431 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
1432 Optimize shifts by known count using a scratch register, but only
1433 if one is still available after register allocation.
1435 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1437 * t-vax: New file. Don't build modules from libgcc1.c.
1439 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
1441 * alias.c: (mark_constant_function): Don't check pure functions.
1442 Initialize and end alias analysis.
1443 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
1444 Don't make a special exception for recursion. Handle
1445 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
1446 unless it's volatile.
1448 * local-alloc.c (equivalence): New structure.
1449 (reg_equiv): Define.
1450 (contains_replace_regs): Remove array and use
1452 (memref_referenced_p): Likewise.
1453 (no_equiv): Likewise.
1454 (update_equiv_regs): Likewise.
1456 (equiv_init_varies_p,
1457 equiv_init_movable_p): New functions.
1458 (update_equiv_regs): Use them. Use rtx_varies_p
1459 instead of function_invariant_p. Process insns
1460 from end to beginning. Allow a REG_EQUIV insn
1461 within the same loop as a use to be moved, also
1462 allow it to be moved out of a loop. Update
1463 REG_DEAD notes when substituting into an insn.
1465 2000-10-19 Jim Wilson <wilson@cygnus.com>
1467 * c-decl.c (start_decl): Check for error_mark_node type before using
1469 (finish_decl): Likewise. Don't give an error if decl type is
1470 already error_mark_node.
1472 * haifa-sched.c (compute_trg_info): Add explanatory comments.
1473 New local update_blocks. Use update_blocks to remove duplicates
1474 when computing update blocks. Check for bblst_table overflow.
1475 (schedule_block): Add explanatory comment. Reduce bblst_size by
1477 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
1480 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1482 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
1484 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1486 * expmed.c: Minor corrections in comments.
1487 * invoke.texi: Added desciption for the new option -ftrapv.
1489 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1491 * libgcc2.c: Added the missing #endif.
1493 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1495 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
1497 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
1499 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
1500 Use smulv_optab for -ftrapv.
1501 (expand_mult_highpart): Use unsigned multiply.
1502 (expand_divmod): Special-case division by -1.
1503 For EXACT_DIV_EXPR, do right shift first, then the multiply.
1504 For complex divide, use abs with unsigned result.
1505 * expr.c (force_operand): Use unsigned multiply.
1506 (expand_expr): Use overflow-trapping optabs for signed types if
1508 If flag_trapv, don't generate a recursive call with EXPAND_SUM
1509 if the type is signed and the original call wasn't EXPAND_SUM or
1511 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
1512 (negv_optab, absv_optab): Declare.
1513 * flags.h (flag_trapv): Declare.
1514 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
1515 smulv_optab, sdivv_optab, negv_optab and absv_optab.
1516 (gen_insn): Interpret '$P' as requiring an integer mode,
1517 including partial integer modes.
1518 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
1519 (product_cheap_p): Use unsigned expand_mult.
1520 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
1521 (negv_optab, absv_optab): Define.
1522 (expand_binop): Use overflow-trapping optabs for signed types if
1524 Handle negv_optab libe neg_optab.
1525 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
1526 Use overflow-trapping optabs for signed result if flag_trapv.
1527 (expand_complex_abs): Use overflow-trapping optabs for signed types if
1529 Don't open-code complex absolute-value operation for flag_trapv.
1530 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
1531 sdivv_optab, negv_optab and absv_optab.
1532 * toplev.c (flag_trapv): Define.
1533 (lang_independent_options f_options): Include flag_trapv.
1534 * tree.h (TYPE_TRAP_SIGNED): Define.
1535 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
1536 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1538 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
1539 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
1541 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
1542 David V. Henkel-Wallace <gumby@cygnus.com>
1544 * config/i386/t-netware: Bring in from the Red Hat tree.
1545 * config/i386/netware.h: Likewise.
1546 * config/netware.h: Likewise.
1547 * config/rs6000/netware.h: Delete.
1548 * configure.in: Add i[34567]86-*-netware.
1549 * configure: Hand-edit to match configure.in change.
1551 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1553 * c-common.h (flag_no_builtin): Declare.
1554 (flag_no_nonansi_builtin): Likewise.
1555 (c_common_nodes_and_builtins): Change prototype.
1556 * c-common.c (flag_no_builtin): New variable.
1557 (flag_no_nonansi_builtin): Likewise.
1558 (c_common_nodes_and_builtins): Remove parameters. Adjust
1560 * c-decl.c (flag_no_builtin): Remove.
1561 (flag_no_nonansi_builtin): Likewise.
1562 (init_decl_processing): Adjust call to
1563 c_common_nodes_and_builtins.
1565 2000-10-18 Marc Espie <espie@openbsd.org>
1567 * tm.texi (LIBGCC_SPEC): Synch with reality.
1569 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1571 * c-common.c (check_format_types): Check for writing through a
1572 NULL pointer argument.
1574 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1576 * tm.texi (Exception Region Output): Document
1577 DWARF_CIE_DATA_ALIGNMENT.
1578 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1580 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1581 DWARF_CIE_DATA_ALIGNMENT.
1583 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1585 * basic-block.h (struct loop): Delete fields pre_header_root
1586 and pre_header_trace and replace with pre_header_edges
1587 and num_pre_header_edges.
1588 * flow.c (flow_loop_dump): Dump pre_header_edges.
1589 (flow_loops_free): Free pre_header_edges.
1590 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1592 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1594 * contrib.texi: Update references to steering committee members
1595 and Jeff Law's entry.
1597 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1599 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1600 (maybe_read_dollar_number, check_format_info_main): Use them for
1601 pedantic warning messages.
1603 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1605 * c-common.c (check_format_info_main): Minor cleanup: move
1606 variables into inner scopes; initialize declarations where
1607 appropriate; don't hardcode "scanf" name on warning for zero
1610 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1612 * c-common.c (back_end_hook): New variable.
1613 * c-common.h (back_end_hook): Declare it.
1614 * c-lang.c (finish_file): Use it.
1616 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1619 2000-10-18 Jan Hubicka <jh@suse.cz>
1621 * i386.c (ix86_comparison_operator, put_condition_code,
1622 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1623 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1624 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1625 * i386.md (adddi and negdi splitter): Use CCRCmode.
1626 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1627 (subsi3_carry): add '*'
1628 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1629 (cmp to add peep2): Use CCRCmode; swap operands.
1631 2000-10-18 Kazu Hirata <kazu@hxi.com>
1633 * h8300.c: Fix a comment typo.
1634 (round_frame_size): New.
1635 (compute_saved_regs): Likewise.
1638 (push_order): Remove.
1639 (pop_order): Likewise.
1640 (function_prologue): Rearrange code for readability.
1641 (function_epilogue): Likewise.
1643 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1644 expander that is used when not optimizing. Output a tab after
1645 each assembly insns.
1647 * reorg.c: Fix formatting.
1649 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1651 * reload1.c (move2add_note_store): Check for simple
1652 auto-inc in destination.
1654 2000-10-17 Michael Chastain <chastain@redhat.com>
1656 * config/i386/i386-aout.h: define INT_ASM_OP.
1658 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1660 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1662 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1664 * i370.md: Fix spelling typo.
1666 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1668 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1669 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1671 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1672 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1675 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1676 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1678 * rs6000/aix.h: ...to here.
1679 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1681 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1683 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1685 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1686 sure linker can relax even the delay slot mov %g1,%o7, fix output
1689 2000-10-17 Kazu Hirata <kazu@hxi.com>
1691 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1692 expander that is used when not optimizing. Output a tab after
1693 each assembly insns.
1695 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1697 * gcc.c: New options --target-help.
1698 (process_command): Added code to parse this new option.
1699 * toplev.c (display_target_options): New function to support the
1701 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1702 (cpp_handle_option): Support this new option.
1703 * invoke.texi: Added notes about --target-help option.
1705 2000-10-17 Graham Stott <grahams@redhat.com>
1707 * config/i386/i386.md (testqi_1): Add missing operand prefix
1709 * config/i386/i386-protos.h: Add missing prototype.
1711 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1713 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1714 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1715 using -mintel-syntax.
1717 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1719 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1720 (format_types): Use it for printf.
1721 (maybe_read_dollar_number): Add parameter for the kind of format
1722 involved. Warn for multiple use for arguments if this is
1723 inappropriate for the kind of format involved.
1724 (check_format_info_main): Update calls to maybe_read_dollar_number.
1726 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1728 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1729 * fixincl.x: Rebuilt.
1731 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1733 * genrecog.c (write_switch): Return the first condition that needs a
1736 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1738 * c-tree.h (warn_sequence_point): Move declaration to...
1739 * c-common.h (warn_sequence_point): ... here.
1740 * c-decl.c (warn_sequence_point): Move definition to...
1741 * c-common.c (warn_sequence_point): ... here.
1742 (struct reverse_tree): New.
1743 (reverse_list, reverse_max_depth): New static variables.
1744 (build_reverse_tree, common_ancestor, modify_ok
1745 verify_sequence_points): New functions.
1746 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1747 * c-typeck.c (check_modify_expr): Delete.
1748 (build_modify_expr): Don't call it.
1750 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1752 * c-common.h (warn_missing_format_attribute): New variable.
1753 * c-decl.c (warn_missing_format_attribute): New variable.
1754 (c_decode_option): Decode -Wmissing-format-attribute and
1755 -Wno-missing-format-attribute.
1756 * c-common.c (check_function_format): If
1757 -Wmissing-format-attribute, give a warning where a vprintf or
1758 vscanf function is called by a function without its own printf or
1760 * toplev.c (documented_lang_options): Add
1761 -Wmissing-format-attribute.
1762 * invoke.texi: Document -Wmissing-format-attribute.
1764 2000-10-17 Marc Espie <espie@openbsd.org>
1766 * invoke.texi (-shared): Insist on requiring code generation flags
1767 to be used along with -shared, and document the subtle failure that
1768 may occur otherwise.
1770 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1772 * pa.md (return_internal): Move `use' after `return'.
1774 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1776 * machmode.def: Correct comment.
1778 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1780 * print-rtl.c (print_rtx_head): Constify.
1781 * rtl.h (print_rtx_head): Similarly.
1783 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1784 Constify char * return value.
1786 (output_64bit_and, output_64bit_ior): Constify char * return value.
1787 (pa_can_combine_p): Make static.
1788 (function_arg): Decorate unused `named' argument. Fix comment typo.
1789 (function_arg_partial_nregs): Decorate unused `named' argument.
1791 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1793 * c-common.c (format_check_results): New structure.
1794 (finish_dollar_format_checking): Adjust to take a
1795 format_check_results * parameter.
1796 (check_format_info, check_format_info_recurse,
1797 check_format_info_main): Split check_format_info into three
1798 functions, the main checking going in check_format_info_main.
1799 Recurse when any reduction of the format string argument towards a
1800 string literal is done; go down both branches of a conditional
1801 expression. Don't warn for extra format arguments or empty format
1802 strings if they only occur in some branches of a conditional
1805 2000-10-16 Kazu Hirata <kazu@hxi.com>
1807 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1809 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1811 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1813 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1815 * i386.md (*movsi_or): Switch operand order for intel syntax.
1817 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1821 * gcc.texi (Contributing): Update.
1823 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1825 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1826 appropriate assembler dialect.
1828 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1830 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1832 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1834 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1835 constants 1 and 2 to NO_LD_REGS.
1837 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1839 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1841 * objc/Make-lang.in (objc-parse.c): Likewise.
1843 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1845 * arm.c: Include obstack.h
1846 (minipool_obstack, minipool_startobj): Define.
1847 (arm_add_gc_roots): Initialize them.
1848 (create_fix_barrier): Use our new obstack.
1849 (push_minipool_barrier, push_minipool_fix): Likewise.
1850 (arm_reorg): Release obstack memory.
1852 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1854 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1855 (prologue, exception_receiver, builtin_setjmp_receiver): New
1857 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1858 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1859 (load_pic_register): New prototype.
1860 * config/sparc/sparc.c (pic_setup_code): Remove.
1861 (finalize_pic): Rename to...
1862 (load_pic_register): ...this function.
1863 Don't look for nonlocal_goto_receivers and emit pic setup code
1864 directly. Don't check current_function_uses_pic_offset_table.
1866 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1868 * tree.h (struct obstack): Declare.
1870 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1873 * Makefile.in (ggc-callbacks.o): Remove target.
1874 (flow.o): Depend on GGC_H.
1875 * alias.c (init_alias_analysis):
1876 Remove ggc_p conditionals.
1877 (end_alias_analysis): Likewise.
1878 * basic-block.h (init_flow): New function.
1879 (allocate_reg_life_data): Declare.
1880 * bb-reorder.c (function_obstack): Replace with ...
1881 (flow_obstack): ... new variable.
1882 (fixup_reorder_chain): Use it.
1883 * c-decl.c (ggc_p): Remove.
1884 (caller-save.c): Don't call oballoc/obfree.
1886 undobuf): Remove storage.
1887 (try_combine): Don't call oballoc.
1888 (undo_all): Don't call obfree.
1889 * cse.c (insert): Use xmalloc, not
1891 (cse_main): Adjust accordingly.
1892 * dwarf2out.c (save_rtx): Remove
1894 (dwarf2out_init): Remove ggc_p conditionals.
1895 * emit-rtl.c (rtl_obstack): Remove.
1896 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1897 (make_insn_raw): Likewise.
1898 (emit_insn_before): Likewise.
1899 (emit_insn_after): Likewise.
1900 (emit_insn): Likewise.
1901 (gen_sequence): Likewise.
1902 (copy_insn_1): Remove handling of `b' RTL components.
1903 (init_emit_once): Remove ggc_p conditionals.
1904 * except.c (create_rethrow_ref): Don't fool with obstacks.
1905 (add_partial_entry): Likewise.
1906 (call_get_eh_context): Likewise.
1907 (begin_protect_partials): Likewise.
1908 (protect_with_terminate): Likewise.
1910 (plus_constant_wide): Likewise.
1911 * expr.c (init_expr_once):
1913 (emit_block_move): Likewise.
1914 (clear_storage): Likewise.
1915 (expand_expr): Likewise.
1916 * flow.c (function_obstack): Remove.
1917 (flow_obstack): New variable.
1918 (flow_firstobj): Likewise.
1919 (create_base_block): Use the flow_obstack.
1920 (split_block): Likewise.
1921 (split_edge): Likewise.
1922 (calculate_global_regs_live): Likewise.
1923 (allocate_bb_life_data): Make it static. Likewiwse.
1924 (init_flow): New function.
1925 (size_int_type_wide): Remove ggc_p conditionals.
1927 (push_function_context_to): Don't call save_tree_status.
1928 (pop_function_context_from): Or restore_tree_status.
1929 (assign_stack_local_1): Don't call push_obstacks.
1930 (find_fixup_replacement): Use xmalloc.
1931 (fixup_var_refs_insns): Free the storage.
1932 (insns_for_mem_walk): Don't mess with obstacks.
1933 (instantiate_decls): Likewise.
1934 (trampoline_address): Likewise.
1935 (expand_function_end): Likewise.
1936 * function.h (sturct function):
1937 Remove obstack-related variables.
1938 (save_tree_status): Don't declare.
1939 (restore_tree_status): Likewise.
1940 * gcse.c (compute_can_copy):
1941 Don't call oballoc/obfree.
1942 * genattrtab.c (operate_exp): Remove
1944 (simplify_cond): Likewise.
1945 (simplify_test_exp): Don't mess with obstacks.
1946 (optimize_attrs): Likewise.
1947 * gengenrtl.c (gendef): Don't include
1949 * ggc-callbacks.c (ggc_p): Remove.
1950 * ggc-none.c (ggc_p): Remove.
1951 * ggc.h (ggc_p): Don't declare.
1952 * integrate.c (save_for_inline): Don't mess with obstacks.
1953 (integrate_decl_tree): Likewise.
1954 (output_inline_function): Likewise.
1956 (init_EXPR_INSN_LIST_cache): Likewise.
1957 * loop.c (temp_obstack):
1959 (rtl_obstack): Likewise.
1960 (init_loop): Don't mess with obstacks.
1961 (reg_address_cost): Free BIVs and GIVs.
1962 (check_insns_for_bivs): Use xmalloc, not oballoc.
1963 (find_mem_givs): Likewise.
1964 (record_biv): Likewise.
1965 (general_induction_var): Likewise.
1966 (product_cheap_p): Likewse.
1967 * optabs.c (init_one_libfunc): Remove
1969 * print-tree.c (debug_tree): Don't use
1971 (print_node): Likewise.
1972 * profile.c (output_func_start_profiler):
1973 Remove call to temporary_allocation.
1975 (eliminate_regs_in_insn): Don't mess with obstacks.
1977 (mark_target_live_regs): Use xmalloc.
1978 (free_resource_info): Free the memory.
1979 * rtl.c (rtl_obstack):
1981 (rtvec_alloc): Don't mess with obstacks.
1982 (rtx_alloc): Likewise.
1984 (copy_rtx): Don't handle `b' cases.
1985 (read_rtx): Use a local rtl_obstack.
1986 * rtl.h (oballoc): Remove.
1988 (pop_obstacks): Likewise.
1989 (push_obstacks): Likewise.
1990 (allocate_bb_life_data): Likewise.
1991 (allocate_reg_life_data): Likewise.
1992 (rtx_free): Likewise.
1993 * sdbout.c (sdbout_queue_anonymous_type):
1994 Use tree_cons, not saveable_tree_cons.
1996 (cselib_init): Don't mess with obstacks.
1998 (mark_block_nesting): Mark the label_chain.
1999 (epxand_label): Use ggc_alloc, not oballoc.
2000 (clear_last_expr): Don't mess with obstacks.
2001 (expand_decl_cleanup): Likewise.
2002 (expand_dcc_cleanup): Likewise.
2003 (expand_dhc_cleanup): Likewise.
2004 (expand_anon_union_decl): Likewise.
2005 (add_case_node): Use xmalloc, not oballoc.
2006 (free_case_nodes): New function.
2007 (expand_end_case): Call it.
2008 * stor-layout.c (layout_type): Don't
2010 (layout_type): Likewise.
2011 * toplev.c (wrapup_global_declarations):
2013 (compile_file): Remove ggc_p conditionals.
2014 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
2015 (decode_f_option): Remove ggc_p conditionals.
2017 (function_maybepermanent_obstack): Remove.
2018 (maybepermanent_obstack): Likewise.
2019 (function_obstack): Likewise.
2020 (tmeporary_obstack): Likewise.
2021 (momentary_obstack): Likewise.
2022 (temp_decl_obstack): Likewise.
2023 (saveable_obstack): Likewise.
2024 (rtl_obstack): Likewise.
2025 (current_obstack): Likewise.
2026 (expression_obstack): Likewise.
2027 (struct obstack_stack): Likewise.
2028 (obstack_stack): Likewise.
2029 (obstack_stack_obstack): Likewise.
2030 (maybepermanent_firstobj): Likewise.
2031 (temporary_firstobj): Likewise.
2032 (momentary_firstobj): Likewise.
2033 (temp_decl_firstobj): Likewise.
2034 (momentary_function_firstobj): Likewise.
2035 (all_types_permanent): Likewise.
2036 (struct momentary_level): Likewise.
2037 (momentary_stack): Likewise.
2038 (init_obstacks): Remove initialization of removed obstacks.
2039 (save_tree_status): Remove.
2040 (restore_tree_status): Likewise.
2041 (temporary_allocation): Liekwise.
2042 (end_temporary_allocation): Liekwise.
2043 (resume_temporary_allocation): Likewise.
2044 (saveable_allocation): Likewise.
2045 (push_obstacks): Likewise.
2046 (push_obstacks_nochange): Likewise.
2047 (pop_obstacks): Likewise.
2048 (allocation_temporary_p): Likewise.
2049 (permanent_allocation): Likewise.
2050 (preserve_data): Likewise.
2051 (preserve_initializer): Likewise.
2052 (rtl_in_current_obstack): Likewise.
2053 (rtl_in_saveable_obstack): Likewise.
2054 (oballoc): Likewise.
2056 (savealloc): Likewise.
2057 (expralloc): Likewise.
2058 (print_obstack_name): Likewise.
2059 (debug_obstack): Likewise.
2060 (object_permanent_p): Likewise.
2061 (push_momentary): Likewise.
2062 (perserve_momentary): Likewise.
2063 (clear_momentary): Likewise.
2064 (pop_momentary): Likewise.
2065 (pop_momentary_nofree): Likewise.
2066 (suspend_momentary): Likewise.
2067 (resume_momentary): Likewise.
2068 (make_node): Don't set TREE_PERMANENT.
2069 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
2070 Don't set TREE_PERMANENT.
2071 (get_identifier): Remove ggc_p conditionals.
2072 (build_string): Likewise.
2073 (make_tree_vec): Likewise.
2074 (build_decl_list): Remove.
2075 (build_expr_list): Likewise.
2076 (tree_cons): Remove ggc_p conditionals.
2077 (decl_tree_cons): Remove.
2078 (expr_tree_cons): Likewise.
2079 (perm_tree_cons): Likewise.
2080 (temp_tree_cons): Likewise.
2081 (saveable_tree_cons): Likewise.
2082 (build1): Remove ggc_p conditionals.
2083 (build_parse_node): Likewise.
2084 (build_type_attribute_variant): Don't mess with obstacks.
2085 (build_type_copy): Likewise.
2086 (type_hash_canon): Likewise.
2087 (build_pointer_type): Likewise.
2088 (build_reference_type): Likewise.
2089 (build_index_type): Likewise.
2090 (build_range_type): Likewise.
2091 (dump_tree_statistics): Don't print obstack information.
2093 (struct tree_common): Remove permanent_flag.
2094 (TREE_PERMANENT): Remove.
2095 (TREE_SET_PERMANENT): Likewise.
2096 (TYPE_OBSTACK): Likewise.
2097 (struct tree_type): Remove obstack.
2099 (savealloc): Likewise.
2100 (build_decl_list): Likewise.
2101 (build_expr_list): Likewise.
2102 (perm_tree_cons): Likewise.
2103 (temp_tree_cons): Likewise.
2104 (saveable_tree_cons): Likewise.
2105 (decl_tree_cons): Likewise.
2106 (expr_tree_cons): Likewise.
2107 (suspend_momentary): Likewise.
2108 (allocation_temporary_p): Likewise.
2109 (resume_momentary): Likewise.
2110 (push_obstacks_nochange): Likewise.
2111 (permanent_allocation): Likewise.
2112 (push_momentary): Likewise.
2113 (clear_momentary): Likewise.
2114 (pop_momentary): Likewise.
2115 (end_temporary_allocation): Likewise.
2116 (pop_obstacks): Likewise.
2117 (push_obstacks): Likewise.
2118 (pop_momentary_nofree): LIkewise.
2119 (preserve_momentary): Likewise.
2120 (saveable_allocation): Likewise.
2121 (temporary_allocation): Likewise.
2122 (resume_temporary_allocation): Likewise.
2123 (perserve_initializer): Likewise.
2124 (debug_obstack): Likewise.
2125 (rtl_in_current_obstack): Likewise.
2126 (rtl_in_saveable_obstack): Likewise.
2128 * varasm.c (current_obstack): Remove.
2129 (saveable_obstack): Remove.
2130 (rtl_obstack): Remove.
2131 (immed_double_const): Don't mess with obstacks.
2132 (immed_real_cons): Likewise.
2133 (output_constant_def): Likewise.
2134 (init_varasm_status): Use xcalloc.
2135 (mark_pool_constant): Mark the pool constant itself.
2136 (free_varasm_status): Free memory.
2137 (decode_rtx_const): Call bzero directly, rather than expanding it
2139 (record_rtx_const): Don't mess with obstacks.
2140 (force_const_mem): Likewise.
2141 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
2143 (aof_pic_entry): Likewise.
2144 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
2145 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
2146 * config/pa/pa.c (saveable_obstack): Remove.
2147 (rtl_obstack): Likewise.
2148 (current_obstack): Likewise.
2149 (output_call): Don't mess with obstacks.
2150 (hppa_encode_label): Remove ggc_p conditionals.
2151 * config/romp/romp.c (get_symref): Don't mess with obstacks.
2152 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
2153 (rs6000_encode_section_info): Likewise.
2154 * config/sh/sh.c (get_fpscr_rtx): Likewise.
2156 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
2158 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
2159 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
2160 (addsi3_carry): Canonicalize.
2161 (addqi_5): Remove '*'.
2162 (sbb pattern): Canonicalize.
2164 * i386.md (cmp to inc/add peep2): New.
2166 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
2168 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
2171 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2173 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
2174 * README.TRAD, TESTS.FLUNK: Remove.
2176 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2178 * c-common.c (decl_attributes): Don't allow strftime formats with
2179 first_arg_num nonzero.
2180 (check_format_info): Set wanted_type and wanted_type_name to zero
2181 before they are possibly assigned and used.
2183 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2185 * c-common.c (scanf_flag_specs): Add flags ' and I.
2186 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
2187 or the ^ and # flags together.
2188 (scan_char_table): Handle the ' and I flags.
2189 (format_types): Add ' and I flags for scanf.
2191 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2193 * c-common.c (print_char_table): Use the unpromoted type for
2194 lengths "h" and "hh" with conversions dioxXu.
2195 (check_format_types): Apply the default argument promotions where
2196 the wanted type is not a pointer target.
2198 2000-10-11 Michael Meeks <mmeeks@gnu.org>
2199 Joseph S. Myers <jsm28@cam.ac.uk>
2201 * c-typeck.c (check_modify_expr): New function.
2202 (build_modify_expr): Call it if warn_sequence_point.
2203 * c-decl.c (warn_sequence_point): New variable.
2204 (c_decode_option): Handle -Wsequence-point and
2205 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
2206 * c-tree.h (warn_sequence_point): Declare.
2207 * invoke.texi (-Wsequence-point): Document.
2208 * toplev.c (documented_lang_options): Add -Wsequence-point and
2209 -Wno-sequence-point.
2210 Original work by Michael Meeks, 16 Jun 1998.
2212 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2214 * tree.c (get_narrower): Don't look at precision of field if
2217 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
2219 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
2220 declaration for data with "progmem" attribute.
2222 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
2224 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
2225 Correct insn length if shift count is a memory operand.
2226 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
2227 (*iorhi3_clobber): Change lo8 to hi8.
2228 (zero_extendhisi2): Change %B0 to %A1.
2229 (ashlhi3, ashrhi3): Correct insn length.
2230 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
2231 from "clobber" to "set_n" in some alternatives.
2233 2000-10-10 Jakub Jelinek <jakub@redhat.com>
2235 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
2236 remove its insn_chain structure as well.
2238 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2240 * dbxout.c (dbxout_source_line): Remove extra tab.
2242 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
2244 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
2246 2000-10-09 Richard Henderson <rth@cygnus.com>
2248 * Makefile.in (LANG_LIB2FUNCS): Remove.
2249 (LIB2FUNCS): Remove _pure.
2250 (LIB2ADD): Remove LANG_LIB2FUNCS.
2251 (stage_a): Don't set LANG_LIB2FUNCS.
2252 * libgcc2.c (__terminate): Mark noreturn.
2253 (__pure_virtual): Remove.
2254 * mklibgcc.in: Remove LIB2ADD .txt processing.
2256 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2258 * arm.md (push_multi): Revert unintended change.
2260 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2262 * arm.c: Miscellaneous white space and comment clean-ups. No
2266 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2268 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
2269 STRING_CST by calling combine_strings.
2271 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2273 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
2274 (thumb_output_move_mem_multiple): Support new insn format.
2275 * arm.md (movmem12b): Use SSA compatible format.
2276 (movmem8b): Likewise.
2278 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2280 * arm.md (predicable): New attribute, default to "no".
2281 (all patterns): Mark as predicable if appropriate.
2282 (conditional execution splits): Split using predication format.
2283 (define_cond_exec): Define.
2284 * arm.c (arm_print_operand): handle insn predicate.
2286 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2288 * README.NS32K: Remove file.
2290 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2292 * README-bugs: Remove file.
2294 2000-10-08 Philipp Thomas <pthomas@suse.de>
2295 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
2297 * configure: Rebuilt.
2299 2000-10-08 Philipp Thomas <pthomas@suse.de>
2300 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
2301 disable catalog building if no suitable program was found.
2302 Move warning message from here
2303 (AM_GNU_GETTEXT): To here.
2304 * configure: Rebuilt.
2306 2000-10-08 Philipp Thomas <pthomas@suse.de>
2307 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
2308 different cache variables.
2309 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
2310 uses different cache variables.
2311 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
2312 * configure: Regenerated.
2314 2000-10-08 Richard Henderson <rth@cygnus.com>
2316 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
2317 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
2318 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
2321 * config/t-linux (SHLIB_EXT): New.
2322 (SHLIB_LINK): Use the entire build command, with substitutions.
2323 (SHLIB_LIBS): Remove.
2324 * config/alpha/t-osf4: Likewise.
2325 * config/mips/t-iris6: Likewise.
2326 * config/sparc/t-sol2: Likewise, but move shlib stuff...
2327 * config/sparc/t-slibgcc-sld: ...here.
2328 * config/sparc/t-slibgcc: New file.
2330 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2332 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
2333 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
2335 (intmax_type_node, uintmax_type_node): Define.
2336 * c-common.c (decl_attributes): If pedantic, warn if `mode'
2337 attributes create a type wider than intmax_t.
2338 (T_IM, T_UIM): Define properly.
2339 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
2341 (init_decl_processing): Initialize intmax_type_node and
2343 * c-lex.c (lex_number): When pedantic and warning for integer
2344 constants that are too large, in C99 mode warn for those that have
2345 a type wider than long long.
2347 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2349 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
2350 FMT_FLAG_FANCY_PERCENT_OK): Define.
2351 (format_char_info): Add flag "4" to comment.
2352 (format_flag_spec, format_flag_pair): New structures.
2353 (format_kind_info): Add additional fields to control format
2355 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
2356 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
2358 (time_char_table): Use "4" flag to handle %Ey.
2359 (format_types): Add entries for new fields.
2360 (get_flag_spec): New function.
2361 (check_format_info): Increase size of flag_chars[] to 256.
2362 Control format checking using the new fields of a format_kind_info
2363 and the new tables; remove all conditionals on printf_format_type,
2364 scanf_format_type or strftime_format_type. Handle all details of
2365 bad combinations of flags (including width, precision and strftime
2366 modifiers) through data rather than ad hoc code. Handle all
2367 details of standard versions in which flags appeared through
2368 data. Use the "4" flag.
2370 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
2372 * config/h8300/h8300.md: Remove the memory alternative and correct
2373 the insn lengths in the templates for sign extention and zero
2376 2000-10-07 Richard Henderson <rth@cygnus.com>
2378 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
2379 * flow.c (make_edges): Revert last change.
2381 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
2383 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
2385 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
2387 * config/alpha/elf.h: Standardize the formatting.
2389 2000-10-06 David O'Brien <obrien@FreeBSD.org>
2391 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
2394 2000-10-06 Richard Henderson <rth@cygnus.com>
2396 * function.c (diddle_return_value): Examine
2397 current_function_return_rtx instead of the DECL_RESULT.
2398 (expand_function_end): Handle reloading DECL_RESULT from memory
2399 into a hard register. Query promote_mode for sign of mismatched
2402 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2404 * haifa-sched.c (schedule_insns): Fix typo in freeing
2405 forward_dependency_cache.
2407 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2409 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
2410 `TARGET_SH2' as a condition.
2412 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2414 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
2415 forward_dependency_cache): New variables.
2416 (add_dependence, remove_dependence): Use anti_dependency_cache and
2417 output_dependency_cache.
2418 (compute_block_forward_dependences): Use forward_dependency_cache.
2419 (schedule_insns): Allocate and free memory for anti/output/forward
2420 dependencies caches.
2422 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2424 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
2425 `! TARGET_SH1'. Reindent.
2427 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2429 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
2430 Move functions from here ...
2432 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
2434 (c_expand_builtin): New function.
2435 (init_function_format_info): Don't set `check_function_format_ptr'.
2436 (c_common_nodes_and_builtins): Set built_in_class type for
2437 printf/__builtin_printf to BUILT_IN_FRONTEND.
2438 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
2440 * c-common.h (build_function_call): Declare.
2442 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
2443 to `lang_expand_expr' rather than `expand_builtin'.
2445 * tree.c (check_function_format_ptr): Delete.
2447 * tree.h (check_function_format_ptr): Likewise.
2449 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
2451 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
2452 DW_OP_bregx when cfa->reg > 31.
2454 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
2457 2000-10-05 Richard Henderson <rth@cygnus.com>
2459 * c-decl.c (warn_missing_noreturn): Remove.
2460 (c_expand_body): Don't set or check can_reach_end.
2461 * c-tree.h (warn_missing_noreturn): Move ...
2462 * flags.h: ... here.
2463 (can_reach_end): Remove.
2464 * flow.c (check_function_return_warnings): New.
2465 (make_edges): No edge to exit for noreturn sibcalls.
2466 * function.c (expand_function_end): Save the return value
2467 clobber instruction.
2468 (mark_function_status): Mark it.
2469 * function.h (struct function): Add x_clobber_return_insn.
2470 * jump.c (can_reach_end): Remove.
2471 (calculate_can_reach_end): Remove.
2472 (jump_optimize_1): Don't call it.
2473 * output.h (check_function_return_warnings): Declare.
2474 * toplev.c (warn_missing_noreturn): Move from c-decl.c
2475 (rest_of_compilation): Call check_function_return_warnings.
2477 2000-10-05 Richard Henderson <rth@cygnus.com>
2479 * Makefile.in (NM_FOR_TARGET): New.
2480 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
2481 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
2482 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
2483 shared library build on that and EXTRA_MULTILIB_PARTS.
2484 * mkmap-flat.awk: New file.
2485 * mkmap-symver.awk: New file.
2486 * libgcc-std.ver: New file.
2487 * config/libgcc-glibc.ver: New file.
2488 * config/ia64/libgcc-ia64.ver: New file.
2489 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2490 (SHLIB_LINK): Add --version-script.
2491 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
2492 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2493 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2494 (SHLIB_LINK): Add -M.
2496 2000-10-05 Richard Henderson <rth@cygnus.com>
2498 * Makefile.in (LIB2FUNCS): Add _clz.
2499 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
2500 (__clz_tab): Put in its own unit, non-static.
2501 * libgcc2.h: Always include longlong.h.
2503 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
2504 a zero instead of -1.
2505 (count_trailing_zeros): Likewise.
2507 2000-10-05 Richard Henderson <rth@cygnus.com>
2509 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
2510 when second op1 is const0_rtx. Validate op0 as a register.
2511 * config/alpha/alpha.md (setcc_internal): Don't allow constants
2512 in the first argument of the compare.
2513 (setcc_swapped_internal): Likewise.
2514 (setne_internal): Likewise.
2516 2000-10-05 Geoff Keating <geoffk@cygnus.com>
2518 * tree.c (tree_size): New function split out of copy_node.
2519 (make_node): Remove obstack handling. Use tree_size.
2520 (copy_node): Use tree_size.
2521 * tree.h: Prototype tree_size.
2523 2000-10-05 Richard Henderson <rth@cygnus.com>
2525 * diagnostic.c (output_format): Add missing break.
2527 2000-10-05 Jim Wilson <wilson@cygnus.com>
2529 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
2530 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
2531 sequence insn to INSN, and delete last sequence insn.
2533 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
2535 * gcc.c (main): Include generated configargs.h header
2536 and use arguments in '-v' output.
2538 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2540 * gcc.c: Move data on prefixes forward in file and reorganize.
2541 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
2542 Always define, but make null if no value.
2543 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2544 and "md_startfile_prefix_1".
2545 (main): Check whether md_exec_prefix and the others are the
2546 null string rather than whether the macro is defined.
2548 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2550 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2551 from PSImode to SImode.
2553 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2555 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2556 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2557 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2560 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2562 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2563 negation in proper type.a
2565 2000-10-04 Richard Henderson <rth@cygnus.com>
2567 * configure.in (enable-shared): New.
2568 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2569 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2570 * mklibgcc.in: Use them to link shared a libgcc.
2571 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2572 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2573 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2574 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2576 * configure.in (alpha-osf*): Use t-osf and x-osf.
2577 * config/alpha/t-osf: New file.
2578 * config/alpha/t-osf4: New file.
2579 * config/alpha/x-osf: New file.
2580 * config/alpha/x-alpha: Remove file.
2582 2000-10-04 Will Cohen <wcohen@redhat.com>
2584 * c-typeck.c (process_init_element): Added warning for zero-length
2587 * extend.texi (Zero Length): State that static initializers for
2588 zero-length arrays are not allowed.
2590 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2592 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2595 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2597 * config/float-c4x.h: New.
2598 * configure.in (c4x-*): Set float_format to c4x.
2599 * configure: Regenerate.
2601 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2603 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2604 compilation for solaris versions 2.7 and greater.
2606 2000-10-02 Marc Espie <espie@openbsd.org>
2608 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2609 instead of redefining from scratch.
2611 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2613 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2615 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2617 * config/ns32k/genix.h: Remove.
2618 * config/ns32k/x-genix: Likewise.
2619 * config/ns32k/xm-genix.h: Likewise.
2620 * config/fx80: Remove all filee in directory.
2621 * config/pyr: Likewise.
2622 * config/tahoe: Likewise.
2623 * config/gmicro: Likewise.
2624 * config/spur: Likewise.
2625 * configure.in: Remove configury bits for above targets.
2626 * configure: Regenerated.
2628 * configure.in: Don't configure chill by default.
2629 * configure: Regenerated.
2631 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2632 (lang_mark_false_label_stack): Remove.
2633 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2634 <top level> string in GC area.
2635 (mark_splay_tree_node): New function.
2636 (mark_splay_tree): Likewise.
2637 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2639 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2640 * ggc-common.c (lang_mark_false_label_stack): Change type.
2641 * ggc.h (ggc_alloc_string): Add comment.
2642 (ggc_strdup): New function.
2644 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2646 * config/avr/avr.h (BRANCH_COST): Define as 0.
2648 * config/pdp11/pdp11.c: #include "tree.h" added.
2650 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2652 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2653 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2654 with known shift count.
2655 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2656 New alternative for shift count 2 with no scratch register.
2657 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2658 "set_n" for shift counts 1 and 2.
2660 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2662 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2663 the mask value from the individual SET operations.
2664 (return_internal_si): Move the USE after the RETURN.
2665 (return_internal_di): Likewise.
2666 (return_and_restore_fpregs_si): Likewise.
2667 (return_and_restore_fpregs_di): Likewise.
2668 (return_eh_si): Likewise.
2669 (return_eh_di): Likewise.
2670 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2672 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2673 Don't generate a PARALLEL around a single operation movsi_to_cr.
2674 Generate the RETURN first in any PARALLELs.
2676 * rtlanal.c (single_set_1): Use fatal_insn to display the
2677 invalid insn. Check for more cases when a USE or CLOBBER occurs
2679 * Makefile.in: Update dependencies for rtlanal.o.
2681 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2683 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2685 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2687 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2688 Consistently use @email for formatting email addresses.
2690 2000-09-29 Richard Henderson <rth@cygnus.com>
2692 * cse.c (notreg_cost): New argument outer.
2693 (COST): Pass in SET to notreg_cost
2695 (fold_rtx): Use COST_IN. Prefer constants when costs
2698 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2700 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2701 * fixinc/fixincl.x: Regenerate.
2703 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2705 * loop.c (check_final_value): A GIV is not replaceable if used
2708 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2710 * version.c: Bump to gcc-2.97.
2712 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2714 * final.c (final_scan_insn): Remove extra extract_insn call;
2715 Use caching for constrain_operands.
2716 (cleanup_subreg_operands): Use caching for extract_insn.
2717 * recog.c (constrain_operands_cached): New.
2718 * recog.h (constrain_operands_cached): Declare.
2719 * i386.c (ix86_attr_length_immediate_default,
2720 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2723 * recog.c (asm_noperands): Tweak.
2724 (extract_insn): Do not call asm_noperads for non-asm instructions.
2726 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2728 * recog.c (recog_memoized): Rename to recog_memoized_1.
2729 * recog.h (recog_memoized): Rename to recog_memoized_1.
2730 (recog_memoized): New macro.
2731 * rtl.h (single_set): Rename to single_set_1
2732 (single_set): New macro.
2733 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2736 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2737 Do not use match_dup of input operands at outputs.
2738 Use register_operand for memory expression.
2739 (rep_movsi): Put use last, canonicalize.
2740 Use register_operand for memory expression.
2741 (rep_movqi): Put use last.
2742 Use register_operand for memory expression.
2743 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2744 of input operands at outputs. Use register_operand for memory
2746 (rep_stossi): Put use last; canonicalize; fix match_dup in
2747 the address expression
2748 (rep_stosqi): Likewise.
2749 (memcmp expander): Update calls.
2750 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2753 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2755 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2757 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2759 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2760 Contains the old contents of config/i386/freebsd.h
2761 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2762 Contains the old contents of config/i386/freebsd-elf.h
2763 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2764 config/i386/freebsd.h.
2765 * configure.in: Adjust for above changes.
2766 * po/POTFILES.in: Likewise.
2767 * po/en_GB.po: Likewise.
2768 * po/gcc.pot: Likewise.
2769 * configure: Rebuilt.
2771 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2773 * doloop.c (doloop_modify): Prevent delete_insn() from
2774 deleting too much. Prefer loop->top over loop->start as
2775 target for the new JUMP insn.
2776 (doloop_valid_p): Ignore loop with exit_count != 0.
2778 2000-09-28 Philipp Thomas <pthomas@suse.de>
2780 * invoke.texi (i386 Options): Add athlon to table of possible
2783 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2785 * diagnostic.h (output_clear_message_text): New function.
2786 (output_message_text): New macro.
2788 * diagnostic.c (clear_text_info): Rename to
2789 output_clear_message_text.
2790 (output_clear): Adjust.
2791 (output_finish): Rename to output_finalize_message. Tweek.
2792 (output_to_stream): Adjust.
2794 2000-09-28 Neil Booth <neilb@earthling.net>
2796 * cpperror.c (_cpp_begin_message): Do the test for suppression
2797 of warnings and pedantic warnings before the "is a warning an
2799 * cppinit.c (cpp_handle_option): Remove surplus \n.
2800 * cpplex.c (ON_REST_ARG): Delete.
2801 (skip_block_comment): Initialise prevc.
2802 (parse_args): Improve error messages.
2803 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2805 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2806 * cppmain.c (main): Set callbacks for #ident and #pragma
2807 only if no_output option is false.
2808 (do_pragma_implementation): Only call the #pragma handler
2809 if it is set in the cpp_reader structure.
2811 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2813 * integrate.c (copy_insn_list): if an ignored return value
2814 is being clobbered, skip cloning that into the inline copy.
2816 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2818 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2819 use @uref for formatting URLs.
2821 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2823 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2826 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2828 * gcc.c (cpp_options): Add spec for -ftabstop=.
2829 (invoke_as): New spec that handles invoking as.
2830 Update specs to handle -save-temps and -traditional.
2831 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2833 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2834 invoke_as, and handle -save-temps and -traditional (if
2837 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2839 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2841 (function_arg_slotno): Accept TImode/CTImode.
2842 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2845 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2847 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2850 2000-09-25 Jim Wilson <wilson@cygnus.com>
2852 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2853 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2854 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2855 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2857 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2859 * cpplex.c (parse_args): Don't set VOID_REST flag.
2860 (CONTEXT_VARARGS): New flag.
2861 (maybe_paste_with_next): Set context earlier in loop. Use
2862 it. Do varargs test with CONTEXT_VARARGS flag.
2863 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2864 pushing an argument context for a varargs argument.
2865 * cpplib.h (VOID_REST): Delete.
2866 * gcc.dg/cpp/vararg1.c: Add test case.
2868 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2870 * flags.h: Declare warning flag warn_system_headers.
2871 * toplev.c: Define it.
2872 (W_options): Add option -Wsystem-headers.
2873 * diagnostic.c (count_error): Test warn_system_headers.
2874 * invoke.texi: Add description for -Wsystem-headers.
2875 * cpplib.h (cpp_options): New member warn_system_headers.
2876 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2877 CPP_IN_SYSTEM_HEADER.
2878 * cpplib.c (do_import, do_pragma_once): Likewise.
2879 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2880 and CPP_IN_SYSTEM_HEADER.
2881 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2882 (print_help): Describe -Wsystem_headers.
2883 * cpplex.c (lex_line): Reorganize condition so that warnings
2884 about C++ comments in system headers can be enabled. Remove
2885 label do_line_comment.
2887 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2889 * cpplex.c (save_comment): Only store the initial '/'
2891 (lex_token): Combine handling of the two comment types.
2892 Pass everything but the initial '/' to save_comment.
2894 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2896 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2897 _cpp_can_paste): New library-internal prototypes.
2898 * cpplex.c (dump_param_spelling, output_line_command,
2899 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2900 cpp_printf, cpp_output_list): Move to cppoutput.c.
2901 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2902 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2904 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2905 dump_param_spelling, output_line_command, cpp_scan_buffer,
2906 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2908 * Makefile.in: Add cppoutput.c.
2909 * po/POTFILES.in: Add cppoutput.c.
2911 2000-09-25 Richard Henderson <rth@cygnus.com>
2913 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2914 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2915 split until after reload.
2916 (rotlsi3, rotldi3): New.
2918 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2920 * diagnostic.c (output_last_position): Define.
2921 (set_real_maximum_length): Tweek.
2922 * diagnostic.h (output_last_position): Declare.
2924 2000-09-25 Kazu Hirata <kazu@hxi.com>
2926 * config/i386/i386.c: Fix formatting.
2928 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2930 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2931 UNITS_PER_WORD is small.
2933 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2935 * c-common.c (format_char_info): Add flags2; update comments.
2936 (print_char_table, scan_char_table, time_char_table): Split some
2937 flags out into flags2.
2938 (check_format_info): Use flags2 for those flags, for identifying
2939 the initial character of a scanf scanset, and for identifying
2940 printf formats where the '0' flag is ignored with precision.
2942 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2944 Changes below marked "here" add TABs on either or both sides,
2945 covering start of line, up to any operand for all noted .*ASM.*_OP
2946 definitions. All callers changed.
2947 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2948 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2949 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2950 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2951 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2952 Fix typos in description for LONG_LONG_TYPE_SIZE and
2953 FINI_SECTION_ASM_OP.
2954 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2955 why these defaults don't have leading spacing.
2956 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
2957 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2958 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
2959 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
2960 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
2961 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
2962 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
2963 * varasm.c (ASM_STABS_OP): Here.
2964 * xcoffout.h (ASM_STABS_OP): Here.
2965 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2966 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2967 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
2968 STRING_ASM_OP): Here.
2969 * config/freebsd.h (IDENT_ASM_OP): Here.
2970 * config/linux-aout.h (SET_ASM_OP): Here.
2971 * config/linux.h (SET_ASM_OP): Here.
2972 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2974 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2975 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
2976 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
2977 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2979 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
2980 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
2981 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
2982 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2983 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
2984 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2985 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
2986 * config/a29k/udi.h (INT_ASM_OP): Here.
2987 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
2988 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
2990 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
2991 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
2992 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2993 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
2994 ASM_STABD_OP): Here.
2995 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
2996 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
2997 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
2998 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
2999 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
3000 SIZE_ASM_OP, STRING_ASM_OP): Here.
3001 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
3002 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
3003 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
3004 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
3005 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
3006 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
3008 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3009 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
3010 * config/arm/coff.h (INT_ASM_OP): Here.
3011 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
3012 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
3013 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
3014 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
3015 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
3016 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3017 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
3018 STRING_ASM_OP): Here. Update documentation copy in comments.
3019 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
3020 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
3021 DATA_SECTION_ASM_OP): Here.
3022 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
3024 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
3025 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
3026 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3027 BSS_SECTION_ASM_OP): Here.
3028 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3029 BSS_SECTION_ASM_OP): Here.
3030 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3032 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
3033 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
3034 * config/h8300/h8300.h (ASM_WORD_OP): Here.
3035 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3036 BSS_SECTION_ASM_OP): Here.
3037 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
3038 * config/i386/bsd.h (ASM_BYTE_OP): Here.
3039 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
3040 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
3041 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
3043 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
3044 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
3046 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
3047 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3048 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
3049 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
3051 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
3052 * config/i386/netbsd.h (INT_ASM_OP): Here.
3053 * config/i386/openbsd.h (INT_ASM_OP): Here.
3054 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
3055 IDENT_ASM_OP): Here.
3056 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
3057 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
3058 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
3059 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
3060 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
3061 SHARED_BSS_SECTION_ASM_OP): Here.
3062 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
3063 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3064 DATA_SECTION_ASM_OP): Here.
3065 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3066 CONST_SECTION_ASM_OP): Here.
3067 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
3068 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3069 BSS_SECTION_ASM_OP): Here.
3070 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
3071 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
3072 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
3073 BSS_ASM_OP): Here, but use trailing spaces.
3074 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3075 DATA_SECTION_ASM_OP): Here.
3076 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
3078 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
3079 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
3080 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3081 TDESC_SECTION_ASM_OP): Here.
3082 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
3083 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3084 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3086 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3087 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
3088 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3089 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
3090 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
3091 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
3092 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3093 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
3094 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
3095 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
3096 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
3097 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
3099 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
3100 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3101 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
3102 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
3103 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
3104 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
3105 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
3106 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3107 GLOBAL_ASM_OP): Here.
3108 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
3109 BSS_SECTION_ASM_OP): Here.
3110 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
3111 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3112 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
3113 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
3115 * config/m68k/newsgas.h (SET_ASM_OP): Here.
3116 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
3117 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
3118 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
3119 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
3120 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
3121 but use trailing spaces.
3122 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
3123 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
3124 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
3126 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3127 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
3128 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3129 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
3130 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3131 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
3132 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
3133 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
3134 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
3135 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
3136 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3137 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
3139 * config/m88k/openbsd.h (SET_ASM_OP): Here.
3140 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3141 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
3142 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
3143 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
3144 DTORS_SECTION_ASM_OP): Here.
3145 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
3146 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3147 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
3148 BSS_SECTION_ASM_OP): Here.
3149 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
3150 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
3151 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
3152 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
3153 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
3154 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
3155 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
3156 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
3158 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
3160 * config/mips/osfrose.h (SET_ASM_OP): Here.
3161 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
3162 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
3163 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
3164 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3166 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
3167 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
3168 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
3169 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
3170 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
3171 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3173 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3175 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
3176 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
3177 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
3179 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
3180 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
3181 * config/sparc/linux.h (COMMON_ASM_OP): Here.
3182 * config/sparc/linux64.h (COMMON_ASM_OP,
3183 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
3184 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
3185 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3186 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
3187 * config/sparc/pbd.h (ASM_INT_OP): Here.
3188 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
3189 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3190 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
3191 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
3192 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
3193 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
3194 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
3195 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
3196 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
3197 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3198 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3199 EH_FRAME_SECTION_ASM_OP): Here.
3200 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
3201 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3203 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3205 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
3206 TCOMMON_ASM_OP): Here.
3207 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3209 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3212 2000-09-25 Richard Henderson <rth@cygnus.com>
3214 * expmed.c (store_bit_field): Adjust last change to not consider
3215 any word-sized field naturally aligned.
3217 2000-09-24 Richard Henderson <rth@cygnus.com>
3219 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
3220 TFmode unordered compares properly. Revalidate integer compare
3222 (alpha_emit_setcc): New.
3223 (alpha_emit_conditional_move): Revalidate integer compare operands.
3224 * config/alpha/alpha-protos.h: Update.
3225 * config/alpha/alpha.md (cmpdi): Allow general operands.
3226 (sne): Use alpha_emit_setcc.
3227 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
3228 (sunordered, sordered): New.
3230 2000-09-24 Richard Henderson <rth@cygnus.com>
3232 * config/ia64/ia64-protos.h: Update.
3233 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
3234 (ia64_expand_call): New.
3235 (ia64_expand_prologue): Emit an alloc if we need extra input
3237 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
3238 instruction if true.
3239 (struct reg_flags): Add is_sibcall.
3240 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
3241 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
3242 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
3243 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3244 * config/ia64/ia64.md (call): Use ia64_expand_call.
3245 (call_value): Likewise.
3246 (sibcall, sibcall_value): New.
3247 (call patterns): Remove extra expanders; tidy.
3248 (sibcall_epilogue): New.
3249 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
3251 2000-09-24 Richard Henderson <rth@cygnus.com>
3253 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
3255 * sibcall.c (skip_pic_restore): New.
3256 (identify_call_return_value): Use it.
3258 2000-09-24 Mark Mitchell <mark@codesourcery.com>
3260 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
3261 functions. Generalize to handle both C and C++.
3262 * Makefile.in (c-tree.info): New target.
3263 (info): Add c-tree.info.
3265 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3267 * expr.c (store_field): If BITSIZE is negative, use size of type.
3268 (expand_expr, case COMPONENT_EXPR): Likewise.
3270 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
3272 * cpplex.c: Update TODO comment.
3273 * cpplib.c (do_error, do_warning): Merge common code of
3274 do_error and do_warning into do_diagnostic. Use it.
3275 (do_diagnostic): New function.
3276 * cpplib.h: Fix comment typo.
3278 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3280 * c-common.c (check_format_info): Warn for a wide character string
3281 used as a non-wide format argument.
3283 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3285 * builtins.def (BUILT_IN_LLABS): Add.
3286 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
3287 * c-common.c (c_common_nodes_builtins): Create builtin functions
3288 __builtin_llabs, and plain llabs unless no_nonansi_builtins
3289 outside of C99 mode.
3290 (expand_tree_builtin): Handle BUILT_IN_LLABS.
3292 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
3294 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
3295 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
3296 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
3297 _cpp_free_toklist): No need to worry about extra dummy token
3298 at the start of token lists any more.
3299 (trigraph_ok): Only warn outside comments.
3300 (skip_block_comment): Set and clear lexing_comment.
3301 (skip_line_comment): Take a cpp_reader not cpp_buffer.
3302 Set and clear lexing_comment.
3303 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
3304 (check_long_token): Delete.
3305 (lex_percent, lex_dot): New subroutines of lex_token to
3306 handle lexing of '.' and '%' without lookback.
3307 (lex_token): Use lex_dot and lex_percent.
3308 (lex_line): Don't check for LIST_OFFSET.
3309 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
3310 * cpplib.c (_cpp_parse_assertion): Similarly.
3311 (cpp_push_buffer): Initialize extra_char.
3312 * cpplib.h (LIST_OFFSET): Delete.
3313 (struct cpp_buffer): New member extra_char.
3314 (struct lexer_state): New members lexing_comment and seen_dot.
3316 2000-09-23 Jason Merrill <jason@redhat.com>
3318 * config/rs6000/x-aix41 (CLIB): Define here.
3319 * config/rs6000/t-aix43: Not here.
3320 * config/rs6000/t-aix41: Or here. Remove.
3321 * configure.in: Don't use it.
3323 2000-09-22 Jason Merrill <jason@redhat.com>
3325 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
3326 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
3327 * config.in: Regenerate.
3329 * configure.in: Fix checks for assembler features when using a
3330 one-tree assembler that has not yet been built.
3331 Fix --disable-threads.
3333 2000-09-19 Geoff Keating <geoffk@cygnus.com>
3335 * stmt.c (expand_asm_operands): Allow # in constraints.
3337 2000-09-22 Jason Merrill <jason@redhat.com>
3339 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
3341 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
3342 function-local names.
3344 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
3345 Mark Mitchell <mark@codesourcery.com>
3347 * toplev.c (warn_disabled_optimization): Declare new warning flag.
3348 * flags.h (warn_disabled_optimization): Add it here.
3349 * gcse.c (gcse_main): Add warning when disabled.
3350 * invoke.texi: Document -Wdisabled-optimization.
3352 2000-09-21 Jason Merrill <jason@redhat.com>
3354 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
3356 * dwarf2out.c (tree_add_const_value_attribute): New fn.
3357 (gen_variable_die): Call it for non-definitions.
3359 * dwarf2out.c (die_struct): Add die_mark field.
3360 (mark_dies, unmark_dies): New fns.
3361 (clear_die_sizes): Remove.
3362 (print_die): Check die_symbol rather than die_offset.
3363 (build_abbrev_table, output_pubnames, output_aranges): Check
3364 die_mark rather than die_offset.
3365 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
3368 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
3370 * cppfiles.c (lookup_include_file): Rename to open_file.
3371 Always create a splay tree value, even on syscall failures.
3372 Negative entries indicated by fd == -2.
3373 Re-open files closed in the meantime.
3374 (_cpp_fake_include): Create a negative splay tree entry.
3375 (find_include_file, cpp_read_file): Update for function name
3377 * gcc.gd/cpp/mi4.c: Testcase.
3379 2000-09-21 Nick Clifton <nickc@redhat.com>
3381 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
3382 ARM and THUMB modes.
3384 * config/mcore/mcore.c: Fix compile time warnings.
3385 * config/mcore/mcore-protos.h: Fix compile time warnings.
3387 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3389 * configure.in: Correct test of gcc_cv_glibc.
3390 * configure: Rebuilt.
3391 * config.in: Rebuilt.
3393 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3395 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
3396 (expand_builtin): Handle BUILT_IN_FWRITE.
3398 * builtins.def (BUILT_IN_FWRITE): New entry.
3400 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
3402 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3404 * gcc.c (modify_target): New variable and struct.
3405 (process_command): Handle MODIFY_TARGET_NAME.
3406 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
3407 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
3409 * c-decl.c (finish_decl): Add else's to avoid referencing
3410 TYPE_DOMAIN of an ERROR_MARK.
3412 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
3414 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
3417 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
3419 * config/avr/avr.md (neghi2): Add alternative for input and output
3420 operands in different registers, as in negsi2.
3421 (*negsi2): Remove '*' from the name. Use "movw" if available.
3423 2000-09-19 Jim Wilson <wilson@cygnus.com>
3425 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
3426 HAVE_GAS_HIDDEN macro.
3428 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
3430 * cpplex.c (lex_line): Drop the EOF token for unknown
3431 directives in assembler.
3433 2000-09-19 David Edelsohn <edelsohn@gnu.org>
3435 * configure.in: Allow enable_threads_flag value of "aix". Define
3436 thread_file as "aix" for AIX 4.3 and above.
3437 * configure: Regenerated.
3439 * gthr-aix.h: New file.
3441 * rs6000/t-aix43: Replace soft-float multilib with pthread.
3442 Remove 403 processor multilib match. Fix rios2 processor multilib
3445 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
3446 to return to appropriate csect.
3448 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3450 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
3452 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
3453 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
3456 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
3459 * c-common.c (init_function_format_info): Handle __builtin_printf.
3460 Set `check_function_format_ptr'.
3461 (c_common_nodes_and_builtins): Set `puts_ftype' and
3462 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
3463 __builtin_printf and printf.
3465 * tree.c, tree.h (check_function_format_ptr): Declare.
3467 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
3469 * cppfiles.c (read_include_file): Take no special action for
3472 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
3474 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
3475 rather than that of branch.
3476 (shorten_branches): Don't increment insn_current_address twice.
3478 Undo most of the Wed Jan 27 23:39:53 1999 patch:
3479 * loop.h (struct induction): Delete members derived, ix and last_use.
3480 (struct loop_ivs): Delete members first_increment_giv and
3482 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
3483 recombine_givs): Delete functions.
3484 (find_and_verify_loops): Don't initialize cont_dominator.
3485 (strength_reduce): Lose code to try to find bivs that can be
3486 expressed as givs of another biv, and to convert biv increments
3488 Lose loop_scan_start variable, always use loop->scan_start.
3489 Don't call recombine_givs. Don't handle derived givs.
3490 (record_giv): Don't initialize derived and last_use fields.
3491 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
3493 * unroll.c (derived_regs): Delete static variable.
3494 (unroll_loop): Don't initialize it.
3495 (copy_loop_body): Lose code to handle derived givs.
3496 (find_splittable_givs): Don't check for givs made from biv
3498 Don't set derived_regs.
3500 Fix misapplied earlier patch:
3501 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
3503 (floatsisf2): Generate floatsisf_ie by default.
3504 (floatsisf_i4): Conditional on TARGET_SH4.
3506 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
3507 predicate for the expanders.
3509 2000-09-19 Richard Henderson <rth@cygnus.com>
3511 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
3512 in addition to pentium and pentiumpro symbols.
3513 (CPP_CPU_DEFAULT_SPEC): Likewise.
3515 * c-typeck.c (c_expand_asm_operands): Restore the output tree
3518 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
3519 if the tree has side effects.
3520 (warn_if_unused_value): Do not warn about void constructs.
3522 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
3524 * unroll.c (copy_loop_body): Update LABEL_NUSES before
3525 calling invert_jump.
3527 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3529 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
3532 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3534 * Makefile.in (c-common.o): Depend on diagnostic.h.
3536 * c-common.c: Include diagnostic.h.
3538 (status_warning): New function.
3539 (check_format_info, maybe_read_dollar_number, check_format_types,
3540 finish_dollar_format_checking, check_function_format): Accept a
3541 `status' parameter. All callers changed.
3543 * c-common.h (check_function_format): Accept a `status' parameter.
3545 * c-typeck.c: Update call to `check_function_format'.
3547 2000-09-18 Richard Henderson <rth@cygnus.com>
3549 * c-decl.c (c_expand_body): Call mark_varargs before
3550 expand_function_start.
3552 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3554 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3555 * config/rs6000/eabi-ci.asm: Likewise.
3557 2000-09-18 Richard Henderson <rth@cygnus.com>
3559 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3562 2000-09-18 Jim Wilson <wilson@cygnus.com>
3564 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3565 before passing it to fold_rtx_mult_add.
3567 * unroll.c (final_giv_value): Pass increment through
3568 extend_value_for_giv before passing it to emit_iv_add_mult.
3570 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3571 paradoxical subreg, then directly substitute the replacement and
3574 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3576 * cpp.texi: Update documentation, including some clarifications,
3577 the treatment of various newline combinations, and space between
3578 backslash and newline.
3580 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3582 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3583 Replace ASM_OUTPUT_LABELREF with assemble_name.
3585 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3587 * sh.c (addsubcosts): CONST is not cheap.
3588 (find_barrier): For Sh1, take alignment after jumps into account.
3590 2000-09-15 Andrew Haley <aph@redhat.com>
3592 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3593 remove all SETs of SUBREGs of hard registers.
3594 * function.c (purge_hard_subreg_sets): New function.
3595 (purge_single_hard_subreg_set): New function.
3596 * rtl.h: (purge_hard_subreg_sets): New function.
3598 2000-09-18 Richard Henderson <rth@cygnus.com>
3600 * config/ia64/ia64-protos.h: Update.
3601 * config/ia64/ia64.c (signed_inequality_operator): New.
3602 (ia64_expand_compare): New.
3603 (ia64_register_move_cost): Handle PR_REGS moves.
3604 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3605 (struct reg_write_state): Add written_by_and/or.
3606 (struct reg_flags): Add is_and/or.
3607 (rws_update): Set them.
3608 (rws_access_regno): Test them to allow parallel comparisons.
3609 (rtx_needs_barrier): Recognize parallel comparisons.
3610 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3611 Call recog_memoized; ignore pred_rel_mutex.
3612 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3613 (ia64_reorg): Do it here instead.
3614 * config/ia64/ia64.h: s/CCmode/BImode/g
3615 (MODES_TIEABLE_P): Don't tie BImode.
3616 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3617 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3618 (RTX_COSTS): Make multiply 4 insns.
3619 (MEMORY_MOVE_COST): New.
3620 (PREDICATE_CODES): Update.
3621 * config/ia64/ia64.md: s/CCmode/BImode/g
3622 (movcci, movbi): New.
3623 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3624 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3625 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3626 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3627 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3628 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3629 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3630 (mulsi, muldi): Use xmpy not xma.
3632 (movcc, movcc_internal): Remove.
3633 (branch expanders): Use ia64_expand_compare.
3634 (setcc expanders): Likewise.
3635 (cmov insns): Use move_operand and ia64_move_ok.
3636 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3637 scheduler from moving it past a use.
3638 * config/ia64/build.hacks: Remove.
3640 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3642 * cpphash.h (HASHSTEP): Take character rather than pointer
3644 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3646 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3648 * cpplex.c (auto_expand_name_space, trigraph_replace,
3649 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3650 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3651 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3652 KNOWN_DIRECTIVE): Delete.
3654 (handle_newline, check_long_token, skip_escaped_newlines,
3655 unterminated): New functions.
3656 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3658 (parse_identifier): Was parse_name, new implementation.
3659 (skip_line_comment, skip_block_comment, skip_whitespace,
3660 parse_number, parse_string, trigraph_ok, save_comment,
3661 adjust_column, _cpp_get_line): New implementations.
3663 (lex_token): New function. Lexes a token at a time, looking
3664 forwards. Contains most of the guts of the old lex_line.
3665 (lex_line): New implementation, using lex_token to obtain
3667 (cpp_scan_buffer): Use the token's line, not the list's line.
3669 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3670 New implementations.
3671 (do_assert): Don't bother setting the answer's list's line.
3672 (cpp_push_buffer): Initialise new pfile and read_ahead members
3673 of struct cpp_buffer.
3675 * cpplib.h (cppchar_t): New typedef.
3676 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3678 (struct lexer_state): New structure that determines the state
3679 and behaviour of the lexer.
3680 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3681 (struct cpp_reader): New member "state". Rename
3682 multiline_string_line and multiline_string_column. Delete
3683 col_adjust, in_lex_line members.
3684 (CPP_BUF_COLUMN): Update.
3686 2000-09-18 Richard Henderson <rth@cygnus.com>
3688 * combine.c (simplify_comparison): Shift a NOT out of a single
3691 * combine.c (if_then_else_cond): Canonicalize BImode true to
3693 * explow.c (trunc_int_for_mode): Likewise.
3695 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3696 the NOT for De Morgan's rule.
3697 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3698 of a comparison to the reverse comparison.
3700 * combine.c (try_combine): Allow split to create a single insn.
3702 * machmode.def: Add BImode. Add a column for bitsize.
3703 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3704 (GET_MODE_BITSIZE): Use it.
3705 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3706 (mode_bitsize): New.
3707 (mode_mask_array): Use bitsize.
3708 * combine.c (combine_simplify_rtx): Require inner and outer
3709 modes to match on nonzero_bits optimizations.
3711 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3713 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3714 its entry in spill_reg_store.
3715 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3716 * sh.c (reg_no_subreg_operand): New function.
3717 * sh-protos.h (reg_no_subreg_operand): Declare it.
3718 * sh.h (PREDICATE_CODES): Add it.
3719 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3720 input operand that needs to be in fpul.
3721 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3722 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3723 might add new insns.
3725 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3727 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3729 (sh_expand_epilogue): Take the PIC register into account when
3730 computing the frame size.
3732 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3733 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3734 LABEL_REFs with a PIC-safe unspec.
3736 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3738 * c-common.c (check_format_info): Properly save the argument
3739 number and parameter for $ operand number formats in case width
3740 and precision arguments are also used. Allow printf width and
3741 precision arguments to have operand numbers even if none was
3742 specified for the main format, since this is OK for %*.*m. Only
3743 object to missing $ operand number if the format used requires an
3746 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3748 * c-common.c (format_char_info): Add 'W' flag to comment.
3749 (print_char_table, scan_char_table): Use it.
3750 (check_format_info): Use the 'W' flag to determine whether a
3751 format argument is written into.
3753 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3755 * c-common.c (check_format_types): Reorganise and clean up,
3756 checking earlier for ERROR_MARKs and making cur_type into its
3757 TYPE_MAIN_VARIANT where convenient.
3759 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3761 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3763 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3765 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3767 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3768 * i386.c (struct builtin_description): New.
3769 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3770 (mmx_reg_operand): Declare MODE arg as unused.
3771 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3772 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3773 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3774 ix86_init_builtins, ix86_expand_builtin): New functions.
3775 * i386.h (ix86_builtins): New enumeration.
3776 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3777 * i386.md (attr length_immediate): 0 for mmx/sse types.
3778 (attr prefix_0f): 1 for mmx/sse types.
3779 (setcc_2): Remove "*" so we get gen_setcc_2.
3780 (emms): Account for changed register numbering. Set "memory" attr
3782 (sfence): Set "memory" attr to unknown.
3784 2000-09-18 Andreas Jaeger <aj@suse.de>
3786 * configure.in: Define _GNU_SOURCE only when using the GNU C
3788 * configure: Regenerated.
3789 * config.in: Regenerated.
3791 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3793 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3794 * flow.c (flow_dump_loop): Likewise.
3795 (flow_loops_dump): Likewise.
3797 * c-typeck.c (c_start_case): Fix typo.
3799 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3801 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3802 to int for plain complex which defaults to complex double. Do
3803 warn about defaulting to complex double if pedantic. Warn about
3804 complex integer types if pedantic. Warn about complex types if
3805 pedantic and not in C99 mode.
3806 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3807 for complex conjugation.
3809 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3811 * contrib.texi: Update my entry.
3813 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3815 * config/avr/avr.md (mcu_enhanced): New attribute.
3816 (mcu_mega): Likewise.
3817 (extendhisi2): Use mcu_enhanced.
3818 (zero_extendhisi2): Likewise.
3819 (call_insn): Use mcu_enhanced and mcu_mega.
3820 (call_value_insn): Likewise.
3821 (*sbrx_branch): Use mcu_mega.
3822 (*sbrx_and_branchsi): Likewise.
3823 (*sbrx_and_branchhi): Likewise.
3824 (*tablejump_lib): Likewise.
3826 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3828 * alias.c (true_dependence): Allow non-unchanging read to conflict
3829 with unchanging write.
3831 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3832 (store_constructor): Pass alias_set to it.
3834 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3835 TYPE_MAIN_VARIANT of ERROR_MARK.
3836 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3838 * simplify-rtx.c (simplify_unary_operation): Add cases
3839 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3841 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3843 * expr.h (emit_library_call, emit_library_call_value): Delete
3845 * rtl.h (enum libcall_type): New.
3846 (emit_library_call, emit_library_call_value): Change fn_type arg to
3847 be of type enum libcall_type.
3848 * calls.c: Likewise for the function definitions. Several callers
3849 throughout changed to use the new enumeration appropriately.
3850 (emit_library_call_value_1): Likewise. Put back code to make libcall
3851 blocks of equal form, but only use it for the two new higher
3854 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3856 Convert the C front-end to use function-at-a-time mode.
3857 * c-common.h: Include splay-tree.h.
3858 (C_DECLARED_LABEL_FLAG): New macro.
3859 (struct language_function): Add x_scope_stmt_stack and
3860 x_function_name_declared_p.
3861 (RECHAIN_STMTS): Move definition.
3862 (lang_statment_code_p): Likewise.
3863 (lang_expand_stmt): Likewise.
3864 (lang_expand_decl_stmt): New variable.
3865 (lang_expand_function_end): Likewise.
3866 (current_scope_stmt_stack): New function.
3867 (add_decl_stmt): Likewise.
3868 (add_scope_stmt): Likewise.
3869 (mark_stmt_tree): Likewise.
3870 (struct c_lang_decl): New structure.
3871 (DECL_SAVED_TREE): Define.
3872 (c_mark_lang_decl): New function.
3873 (c_expand_start_cond): Change prototype.
3874 (c_finish_then): New function.
3875 (c_finish_else): Likewise.
3876 (current_function_name_declared): Remove.
3877 (set_current_function_name_declared): Likewise.
3878 (mark_c_language_function): Declare.
3879 (case_compare): Likewise.
3880 (c_add_case_label): Likewise.
3881 (c_expand_expr): Likewise.
3882 (c_safe_from_p): Likewise.
3883 * c-common.c (lang_expand_function_end): New variable.
3884 (struct if_elt): Add if_stmt.
3885 (c_expand_start_cond): Add the if-statement to the statement-tree,
3886 rather than generating RTL.
3887 (c_finish_then): New function.
3888 (c_expand_start_else): Don't generate RTL.
3889 (c_finish_else): New function.
3890 (c_expand_expr_stmt): Don't generate RTL.
3891 (statement_code_p): Add SCOPE_STMT.
3892 (case_compare): New function.
3893 (c_add_case_label): Likewise.
3894 (mark_stmt_tree): Likewise.
3895 (c_mark_lang_decl): Likewise.
3896 (mark_c_language_function): Likewise.
3897 (c_expand_expr): Likewise.
3898 (c_safe_from_p): Likewise.
3899 * c-decl.c (c_stmt_tree): New variable
3900 (c_scope_stmt_stack): Likewise.
3901 (c_function_name_declared_p): Likewise.
3902 (lang_expand_expr_stmt): Remove.
3903 (poplevel): Don't call output_inline_function for nested
3905 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3907 (redeclaration_error_message): Change means of computing whether
3908 or not a function is nested.
3909 (lookup_label): Don't call label_rtx.
3910 (init_decl_processing): Add more GC roots.
3911 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3912 calling rest_of_decl_compilation.
3913 (finish_decl): Don't call expand_decl.
3914 (store_parm_decls): Begin the statement-tree, but don't generate
3916 (finish_function): Tie off the statement-tree. Call c_expand_body
3918 (c_expand_body): New function.
3919 (push_c_function_context): Save more information.
3920 (pop_c_function_contxt): Likewise.
3921 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3922 (lang_mark_tree): Mark it.
3923 (current_stmt_tree): Adjust.
3924 (current_scope_stmt_stack): New function.
3926 (set_current_name_declared): Likewise.
3927 (c_begin_compound_stmt): Define.
3928 (c_expand_decl_stmt): Likewise.
3929 * c-lang.c: Include rtl.h and expr.h.
3930 (lang_init): Set more language-specific hooks.
3931 * c-lex.c: Include expr.h.
3932 * c-parse.in: Changes throughout to add statements to the
3933 statement-tree, rather than generating RTL after every statement.
3934 * c-semantics.c (lang_expand_decl_stmt): Define.
3935 (add_decl_stmt): New function.
3936 (add_scope_stmt): Likewise.
3937 (finish_stmt_tree): Tweak.
3938 (genrtl_expr_stmt): Likewise.
3939 (genrtl_decl_stmt): Handle local labels, and call
3940 lang_expand_decl_stmt if required.
3941 (genrtl_for_stmt): Fix line-number handling.
3942 (genrtl_case_label): Handle cleanups.
3943 (genrtl_asm_stmt): Don't call combine_strings.
3944 (genrtl_compound_stmt): Simplify.
3945 (expand_stmt): Handle SCOPE_STMTs.
3946 * c-tree.h (struct lang_decl): New structure.
3947 (C_DECLARED_LABEL_FLAG): Remove.
3948 (c_begin_compound_stmt): Declare.
3949 (c_expand_decl_stmt): Likewise.
3950 (c_expand_start_case): Rename to c_start_case.
3951 (c_finish_case): New function.
3952 * c-typeck.c (start_init): Tweak setting of
3953 constructor_incremental.
3954 (c_expand_asm_operands): Tweak error-handling. Add to the
3956 (c_expand_return): Add to the statement-tree.
3957 (c_expand_start_case): Rename to ...
3958 (c_start_case): ... this.
3959 (struct c_switch): New type.
3960 (switch_stack): New variable.
3961 (do_case): Simplify.
3962 (c_finish_case): New function.
3963 * dependence.c: Include expr.h.
3964 (enum dependence_type): Change spelling of enumerals.
3965 (check_node_dependence): Adjust.
3966 * expr.h (lang_safe_from_p): Declare.
3967 (safe_from_p): Likewise.
3968 * expr.c (lang_safe_from_p): New variable.
3969 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
3970 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
3971 * toplev.c (rest_of_decl_compilation): Robustify.
3972 * tree.c (contains_placeholder_p): Likewise.
3973 * Makefile.in: Update dependencies.
3974 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
3975 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
3976 (objc_expand_function_end): New function.
3977 (finish_method_def): Use it.
3978 (init_objc): Initialize more language-specific hooks.
3979 * objc/Make-lang.in: Update dependencies.
3981 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
3983 * configure.in: Define macros that affect features before
3984 testing for features. Don't define _XOPEN_SOURCE.
3985 * configure: Regenerated.
3986 * config.in: Regenerated.
3988 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
3990 * rtlanal.c (rtx_varies_p): Volatile asms vary.
3991 (rtx_unstable_p): Restructure code. Volatile asms
3994 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3996 * function.h (no_debugging_symbols): New field.
3997 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
3998 Initialize no_debugging_symbols.
3999 (output_inline_function): Save and restore write_symbols and set from
4000 no_debugging_symbols.
4001 * toplev.c (rest_of_compilation): Call save_for_inline.
4002 * tree.h: Update comment.
4004 * stor-layout.c (place_field): Don't do anything if field or
4005 its type are ERROR_MARK.
4007 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
4009 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
4010 (read_include_file): Ensure inc->mmaped is initialized.
4012 2000-09-16 Richard Henderson <rth@cygnus.com>
4014 * cppiles.c (purge_cache): Use PTR not caddr_t.
4016 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
4018 * gcc.c: In description for %{<S}, say the option removed is -S.
4019 * invoke.texi (Spec Files): Ditto.
4021 2000-09-16 Andreas Jaeger <aj@suse.de>
4023 * configure.in: Always define _GNU_SOURCE to make interfaces
4024 visible that were hidden by only defining _GNU_SOURCE.
4025 * configure: Regenerated.
4027 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
4029 * cpplex.c (push_macro_context): Set an argument's level after
4030 calling parse_args. We could loop infinitely otherwise.
4032 2000-09-15 Tom Tromey <tromey@cygnus.com>
4034 * configure, config.in: Rebuilt.
4035 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
4037 2000-09-15 Greg McGary <greg@mcgary.org>
4039 * cppmacro.c (check_trad_stringification): Check token
4040 text pointers against limit before dereferencing.
4042 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
4044 * c-common.c (format_wanted_type): New structure.
4045 (check_format_types): New function.
4046 (check_format_info): Pass all checking of types of format
4047 arguments, including width and precision arguments, to this new
4050 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4052 * BUGS: Remove file.
4054 2000-09-15 Jakub Jelinek <jakub@redhat.com>
4056 * config/alpha/alpha.c (override_options): ev6 cache latencies
4057 from Richard Henderson. Don't allow -mmemory-latency=L0.
4059 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
4060 (TARGET_OPTIONS): Add tune=.
4061 (alpha_tune_string): Declare.
4062 * config/alpha/alpha.c (override_options): Add cpu_table.
4063 Use alpha_cpu_string first to set both alpha_cpu and target_flags
4064 and then alpha_tune_string to set alpha_cpu only.
4065 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
4066 * config/alpha/elf.h (ASM_FILE_START): Likewise.
4067 * config/alpha/osf.h (ASM_FILE_START): Likewise.
4068 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
4070 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
4072 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
4074 (ix86_comparison_operator, ix86_cc_mode): Declare
4075 * i386.h (CCGC, CCGCO): New modes.
4076 (SELECT_CC_MODE): Move offline to ....
4077 * i386.c (ix86_cc_mode): .... here; use new modes.
4078 (ix86_comparison_operator): New.
4079 (fcmov_comparison_operator): Ensure proper mode.
4080 (put_condition_mode): More sanity checking.
4081 (ix86_match_ccmode): Handle new modes.
4082 (ix86_expand_fp_compare): GEU requires CCmode.
4083 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
4085 * i386.md (cmp?i_ccz_1): Remove
4086 (cmp?i_ccno_1): Use ix86_match_ccmode.
4087 (cmp?i_minus_1): New.
4088 (cmpsi_1): New expander.
4089 (cmpqi_ext_1): Use match_ccmode
4090 (cmpqi_ext_3): New expander.
4091 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
4092 (cmpqi_ext_4): Use match_ccmode.
4093 (add?i_?): Use match_ccmode.
4095 (test?i_ccz_1): Remove
4097 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
4098 (testqi_ext_0): Use ix86_match_ccmode.
4099 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
4100 (xorqi_cc_ext_1): New expander.
4101 (shift patterns): Use CCGOCmode for all shifts except for sar.
4102 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
4103 (setcc_3, jcc_3, miv?icc_c): Remove.
4105 2000-09-15 Will Cohen <wcohen@redhat.com>
4107 * dwarf2out.c (add_const_value_attribute): Changed array into a
4108 xmalloced object, so it exists after function exit.
4109 (free_AT): Added case for dw_val_class_float to free allocated
4112 2000-09-15 Kazu Hirata <kazu@hxi.com>
4114 * config/i386/i386.md: Fix a comment typo.
4115 * gcc.c: Fix formatting.
4117 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
4119 * optabs.c (emit_libcall_block): If target is a user variable,
4120 copy to a temporary first.
4121 * expr.c (convert_move): When generating a libcall, make a libcall
4123 * calls.c (emit_library_call_value_1): Don't create a libcall
4124 sequence here; our caller will in most cases do it.
4126 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
4128 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
4129 * sh.md (reload_outsf): Generate recognizable patterns for
4131 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
4132 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
4133 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
4134 truncdfsf2_i4): Change not to use explicit references to fpul.
4135 (floatsisf2_ie): Remove USE of fpscr.
4136 (floatsisf2): Change default expansion to match this.
4137 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
4140 2000-09-15 Richard Henderson <rth@cygnus.com>
4142 * expmed.c (store_bit_field): Consider naturally aligned
4143 memory for direct reference.
4145 2000-09-15 Richard Henderson <rth@cygnus.com>
4147 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
4148 AND addresses into alias set 0.
4149 (alpha_expand_unaligned_store): Likewise.
4150 (alpha_expand_unaligned_load_words): Likewise.
4151 (alpha_expand_unaligned_store_words): Likewise.
4153 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
4155 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
4156 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
4158 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
4159 rsize of UNITS_PER_WORD.
4161 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
4163 * cpplex.c (ON_REST_ARG): Correct the test.
4164 (maybe_paste_with_next): Duplicate a token that fail pasting,
4165 and clear its PASTE_LEFT flag, so that nested pasting attempts
4168 2000-09-14 Richard Henderson <rth@cygnus.com>
4170 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
4171 * cse.c (rtx_cost): Likewise.
4172 * optabls.c (expand_binop): Likewise.
4173 (expand_twoval_binop, prepare_cmp_insn): Likewise.
4174 * regclass.c (copy_cost): Likewise.
4175 * reload1.c (reload_cse_move2add): Likewise.
4177 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
4179 * c-parse.in (reswords): Add _Complex.
4181 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4183 * gcc.1: Delete documentation for -undef preprocessor option.
4185 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
4187 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4188 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
4189 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4190 Remove undefine before config/elfos.h.
4191 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
4193 2000-09-14 Kazu Hirata <kazu@hxi.com>
4195 * invoke.texi (H8/300 Options): Add -ms2600.
4196 * config/h8300.c (h8300_init_once): Output an error when -ms2600
4197 is used without -ms.
4198 * config/h8300.h (TARGET_MAC): New.
4199 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
4200 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
4201 machine other than H8/S2600.
4202 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
4205 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
4207 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
4208 pseudos that refer to the original pseudos, not only to their
4209 equivalent memory locations.
4211 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4213 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
4214 when making new MEM.
4216 * Makefile.in (LN): Remove duplicate definition.
4218 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4220 From Joern Rennecke:
4221 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
4222 on an insn and function_invariant_p returns nonzero for the source,
4223 add a REG_EQUAL note.
4225 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
4227 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
4228 conflict with frame_pointer_rtx.
4230 2000-09-13 Kazu Hirata <kazu@hxi.com>
4232 * loop.c: Fix formatting.
4235 2000-09-13 Richard Henderson <rth@cygnus.com>
4237 * config/ia64/ia64.md (divsf3): New.
4238 (divsf3_internal_lat, divsf3_internal_thr): New.
4239 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
4240 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
4241 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
4242 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
4243 (nmadddf4_alts, nmadddf4_trunc): New.
4244 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
4245 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
4246 (multf3_truncsf_alts, multf3_truncdf_alts): New.
4247 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
4248 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
4249 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
4250 (nmaddtf4_truncdf_alts): New.
4251 (recip_approx): Don't predicate.
4253 2000-09-13 Richard Henderson <rth@cygnus.com>
4255 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
4257 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4259 * flags.h (flag_dump_rtl_in_asm): Declare.
4260 * toplev.c (flag_dump_rtl_in_asm): Define.
4261 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
4262 if -dP is specified.
4263 * rtl.h (print_rtx_head): Declare.
4264 * print-rtl.c (print_rtx_head): Define.
4265 (print_rtx): Print the string pointed to by print_rtx_head
4266 at beginning of each dump line.
4267 (print_rtl): Likewise.
4268 (print_rtl_single): Likewise.
4269 * final.c (final_scan_insn): Dump the insn in the assembly
4271 * gcc.1: Document -dP option.
4272 * invoke.texi (Debugging Options): Likewise.
4274 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4276 * md.texi (Machine Constraints): Document the 68HC11 constraints.
4277 * install.texi (Configurations): Document the 68HC11&68HC12 port.
4278 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
4280 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
4282 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
4283 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
4284 (*clrstrqi): Likewise.
4285 (xorhi3,xorsi3,absqi2): Likewise.
4286 (one_cmplhi2,one_cmplsi2): Likewise.
4287 (addsi3): Two stupid constraint alternatives removed.
4288 (extendhisi2): Use `movw' for enhanced avr cores.
4289 (zero_extendhisi2): Likewise.
4291 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
4293 * alias.c (find_base_term): Use frame_pointer_rtx
4294 when handling an ADDRESSOF.
4296 * cse.c (canon_hash): Handle USE of BLKmode memory.
4297 (cse_insn): Outgoing arguments for a libcall don't
4298 affect any recorded expressions.
4300 2000-09-12 Tom Tromey <tromey@cygnus.com>
4302 * configure, config.in: Rebuilt.
4303 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
4305 2000-09-12 Jakub Jelinek <jakub@redhat.com>
4307 * c-lex.c (lex_string): Use charwidth to compute bytemask.
4308 * expr.c (expand_expr): Don't optimize constant array references
4309 initialized with wide string constants.
4311 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4313 * loop.c (note_set_pseudo_multiple_uses): Correct.
4315 2000-09-12 Jim Wilson <wilson@cygnus.com>
4317 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
4318 else block, and X has side-effects, then fail.
4320 2000-09-12 Greg McGary <greg@mcgary.org>
4322 * config/mips/mips-protos.h
4323 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
4324 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
4325 (PREDICATE_CODES): Add "trap_cmp_op".
4326 * config/mips/mips.c
4327 (trap_cmp_op, mips_gen_conditional_trap): New functions.
4328 * config/mips/mips.md (trap, conditional_trap): New patterns.
4330 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4332 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
4335 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4337 * builtins.c (built_in_decls): New array.
4338 (expand_builtin_fputs): New function.
4339 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
4341 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
4343 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
4345 * tree.h (built_in_decls): New array.
4347 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
4349 * convex.md: Use "+" instead of "=" for outputs wrapped in a
4351 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
4353 2000-09-12 Kazu Hirata <kazu@hxi.com>
4355 * haifa-sched.c: Fix formatting.
4357 * genattrtab.c: Fix formatting.
4359 * unroll.c: Fix formatting.
4361 2000-09-12 Bruce Korb <bkorb@gnu.org>
4363 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
4364 remove obsolete code
4365 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
4366 * fixinc/fixincl.tpl: make non-exported arrays static scope
4367 * fixinc/fixincl.x: regenerate
4368 * fixinc/fixlib.h: Use PARAMS, not _P_
4369 * fixinc/fixtests.c: make a type for the test proc & use it
4370 * fixinc/server.h: Use PARAMS, not _P_
4372 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4374 * c-typeck.c (process_init_element): Avoid union init warnings on
4375 floating point zero. Don't crash on unions containing structs.
4377 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
4379 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
4380 general_movsrc_operand, and remove CONST_INT from
4381 general_movdst_operand.
4383 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4385 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
4386 if a reference to non-fixed hardreg is seen. Otherwise, count hard
4387 regs with a higher cost.
4388 (preferrable): Deal with cases where either cost or regcost is
4390 (cse_insn): Use MAX_COST rather than 10000. Always initialize
4392 (COSTS_N_INSNS): Move definition...
4394 (MAX_COST): New macro.
4395 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
4398 2000-09-11 Mark Mitchell <mark@codesourcery.com>
4400 * c-common.h (genrtl_clear_out_block): Remove.
4401 * c-semantics.c (genrtl_clear_out_block): Remove.
4402 (genrtl_while_stmt): Don't call it.
4403 (genrtl_for_stmt): Likewise.
4405 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4407 * cppfiles.c: Move all default-#defines to top of file.
4408 (open_include_file): Replace by lookup_include_file.
4409 (read_with_read, read_file): Merged into read_include_file.
4410 (stack_include_file, purge_cache): New functions.
4411 (close_cached_fd): Delete.
4412 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
4413 Cache the in-memory buffer, not the file descriptor.
4415 * cpphash.h (struct include_file): Add buffer, st, refcnt,
4417 (xcnew): New utility macro.
4418 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
4419 * cpplib.h (struct cpp_buffer): Remove mapped field.
4421 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4423 * cpplex.c (parse_string): Accept backslash space newline as a
4425 (lex_line): Likewise.
4426 (_cpp_get_token): Remove hard limit on macro nesting.
4428 2000-09-12 Philipp Thomas <pthomas@suse.de>
4430 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
4431 * configure: Rebuilt.
4433 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4435 * flow.c (split_block): Fix update of registers live at
4438 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4440 * i386.md (add?i_3, add?i_5): New.
4441 (add?i_4): Rename from add?i_3; Fix compare pattern.
4442 (sub?i_3, xor?i_3, ior?i_3): New.
4444 * genrecog.c (write_tree): Output code to clear insn_extract cache.
4445 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
4446 instead of extract_insn and extract_constrain_insn_cache instead of
4447 extract_insn and constrain_operands.
4448 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
4450 (extract_insn): Clear which_alternative.
4451 (constrain_operands): Set which_alternative to -1 when failed.
4452 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
4455 2000-09-11 Matthew Hiller <hiller@redhat.com>
4457 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
4458 on operand 0 to '+'.
4459 (movstricthi): Likewise.
4461 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4463 * loop.h (LOOP_IVS): New macro.
4464 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
4465 (struct loop_ivs): New.
4466 (struct loop_info): Add ivs field.
4467 (reg_iv_type, reg_iv_info): Delete prototype.
4468 (reg_biv_class, loop_iv_list): Likewise.
4469 * loop.c (record_biv, find_life_end): Pass loop argument.
4470 (reg_iv_type): Remove global array and use
4471 field in loop_regs structure within loop_ivs structure.
4472 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
4473 (first_increment_giv, last_increment_giv): Use entry in
4475 (record_initial): Pass ivs pointer.
4476 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
4478 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4480 * loop.h (LOOP_REGS): New macro.
4481 (struct loop_regs): New.
4482 (struct loop_info): Add regs field.
4483 * loop.c (set_in_loop): Remove global array and store
4484 in loop_regs structure as part of loop_info structure.
4485 (n_times_set, may_not_optimize): Likewise.
4486 (reg_single_usage, moved_once): Likewise.
4487 (count_one_set): Add regs argument.
4488 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
4489 (set_pseudo_multiple_uses): Pass regs pointer.
4491 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4493 * unroll.c (iteration_info): Subsume into loop_iterations.
4494 * loop.h (loop_info): New field iv.
4496 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4498 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
4499 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
4500 (flow_loops_update): New prototype.
4501 (flow_loops_find): Add flags to prototype.
4502 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
4503 * flow.c (flow_loop_pre_header_scan): New.
4504 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
4505 (flow_loop_free): Free pre-header root and trace and exit dominators.
4506 (flow_loops_find): New argument flags.
4507 (flow_loops_update): New function.
4508 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
4510 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4512 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
4513 * flow.c (split_block, update_bb_for_insn): New functions.
4515 2000-09-11 Richard Henderson <rth@cygnus.com>
4517 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
4519 2000-09-11 Richard Henderson <rth@cygnus.com>
4521 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
4522 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
4523 (ia64_override_options): Prevent optimizing division for both
4524 latency and throughput.
4525 (rtx_needs_barrier): Handle frcpa.
4526 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
4527 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
4528 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
4529 (TARGET_SWITCHES): Add -minline-divide-min-latency and
4530 -minline-divide-max-throughput.
4531 (PREDICATE_CODES): Update.
4532 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
4533 (zero_extendsidi2): Likewise. Fix typo in f case insn.
4534 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
4535 (extendsftf2): Likewise.
4536 (extenddftf2): Likewise.
4537 (fix_trunctfdi2_alts): New.
4538 (fixuns_trunctfdi2_alts): New.
4539 (madd*4): Rename from madd*3.
4540 (divsi3, modsi3, udivsi3, umodsi3): New.
4541 (divsi3_internal): New.
4542 (divdi3, moddi3, udivdi3, umoddi3): New.
4543 (divdi3_internal_lat, divdi3_internal_thr): New.
4544 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4545 (recip_approx): New.
4547 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4549 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4550 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4552 * integrate.c (copy_rtx_and_substitute): Don't share
4553 LEAF_REG_REMAPpable registers with the inlined function. Don't
4554 share the function value with calling sequences.
4556 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4558 * c-decl.c (do_case): Fix a typo.
4560 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4561 to a if the comparison is floating mode and not -ffast-math.
4562 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4564 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4566 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4567 gen_ic_invalidate_line.
4569 2000-09-11 Philip Blundell <pb@futuretv.com>
4571 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4573 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4575 * install.texi (LANGUAGES): Update to include new languages.
4578 2000-09-11 DJ Delorie <dj@redhat.com>
4580 * gcc.c (main): Don't warn about unused -B prefixes
4581 (unused_prefix_warnings): remove
4583 2000-09-11 Kazu Hirata <kazu@hxi.com>
4585 * final.c: Fix formatting.
4587 * integrate.c: Fix formatting.
4589 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4591 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4593 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4595 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4597 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4599 * gcc.1: Document 68hc11 specific options.
4601 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4603 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4604 (TARGET_LONG_DOUBLE_128): Define.
4605 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4606 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4607 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4608 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4609 of __LONG_DOUBLE_128__.
4610 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4612 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4613 (CPP_SYSV_DEFAULT_SPEC): Define.
4614 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4615 (INIT_TARGET_OPTABS): Define.
4617 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4618 (RS6000_UITRUNC): Likewise.
4619 (INIT_TARGET_OPTABS): New macro.
4620 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4621 (trunc_defined): Delete.
4622 (output_prolog): Don't output .extern definitions for fp->int
4623 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4624 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4625 (trunc_defined): Delete.
4626 (RS6000_ITRUNC): Moved to aix.h.
4627 (RS6000_UITRUNC): Likewise.
4628 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4629 only emit a libcall.
4630 (fixuns_truncdfsi2): Delete.
4631 (trunc_call): Delete.
4632 (trunc_call_rtl): Delete.
4634 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4636 * varasm.c (make_decl_rtl): Restore leading star on
4637 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4639 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4641 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4642 won't give a spurious error for '#pragma pack()'. Simplify
4643 control flow for readability. 'reset' action is not necessary.
4645 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4647 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4648 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4649 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4650 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4652 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4653 profile.c, sdbout.c, tradcif.y, tree.c:
4654 Include defaults.h if not already included.
4655 Don't define the above macros.
4657 * Makefile.in: Update dependencies.
4659 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4661 * c-common.h (add_stmt): Change prototype.
4662 (RECHAIN_STMTS): New macro.
4663 (CASE_LABEL_DECL): Likewise.
4664 (genrtl_case_label): Change prototype.
4665 (c_expand_start_case): Remove prototype.
4666 (build_case_label): Change prototype.
4667 (decl_constant_value): Declare.
4668 * c-common.c (check_case_value): Handle C++'s extensions to C
4670 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4672 * c-parse.in (stmt): Adjust handling of return statements and case
4674 * c-semantics.c (add_stmt): Return the new statement.
4675 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4676 returned expression. Directly generate RTL, rather than calling
4678 (genrtl_switch_stmt): Don't call c_expand_start_case.
4679 (build_case_label): Take the LABEL_DECL as input, too.
4680 (genrtl_case_label): Just call add_case_node.
4681 (expand_stmt): Adjust calls to genrtl_return_stmt and
4683 * c-tree.h (c_expand_start_case): Declare.
4684 * c-typeck.c (decl_constant_value): Give it external linkage.
4685 (c_expand_return): Don't call expand_return or expand_null_return;
4686 use genrtl_return_stmt instead.
4687 * stmt.c (struct nesting): Remove num_ranges field.
4688 (add_case_node): Give it external linkage.
4689 (expand_start_case): Don't set num_ranges.
4690 (expand_start_case_dummy): Don't clear it.
4691 (pushcase): Rely on add_case_node to handle `default' labels.
4692 (add_case_node): Handle `default' labels.
4693 * tree.c (tree_int_cst_compare): New function.
4694 * tree.h (tree_int_cst_compare): Declare.
4695 (add_case_node): Likewise.
4697 2000-09-10 Richard Henderson <rth@cygnus.com>
4699 * c-parse.in: Revert last change.
4700 (init_reswords): Do not enter disabled keywords into the ridpointers
4701 table, modulo objc weirdness.
4702 (_yylex): Return the canonical spelling for a keyword.
4704 2000-09-10 Philip Blundell <philb@gnu.org>
4706 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4707 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4709 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4711 * alias.c (find_base_term): Handle ADDRESSOF.
4712 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4714 2000-09-10 Denis Chertykov <denisc@overta.ru>
4716 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4717 outputting templates with many lines.
4719 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4721 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4722 to decide whether 64-bit support must be generated.
4724 2000-09-10 Richard Henderson <rth@cygnus.com>
4726 * c-parse.in (asm patterns): Fix volatile check.
4728 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4730 * cppmacro.c (check_trad_stringification): New function.
4731 (save_expansion): If -Wtraditional, warn about stringification of
4734 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4736 * loop.h (struct loop_mem_info): Move from loop.c
4737 (struct loop_info): Add fields store_mems, mems, mems_idx,
4738 mems_allocated, unknown_address_altered,
4739 unknown_constant_address_altered, num_mem_sets, and
4740 first_loop_store_insn.
4742 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4743 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4744 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4745 (num_mem_sets): Likewise.
4746 (replace_loop_mems, replace_loop_regs): New.
4747 (struct loop_replace_args): New.
4748 (load_mems): Use replace_loop_mems.
4749 (try_copy_prop): Use replace_loop_regs.
4750 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4752 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4754 * configure.in: Recognize m6811-elf and m6812-elf.
4755 * configure: Regenerate.
4757 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4759 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4762 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4764 * loop.c (struct movables): New.
4765 (num_movables): Move into struct movables.
4766 (the_movables): Change type to struct movables.
4767 (ignore_some_movables): Change struct movable arg to struct movables.
4768 (force_movables, combine_movables, regs_match_p): Likewise.
4769 (rtx_equal_for_loop_p, move_movables): Likewise.
4770 (scan_loop): Change movables to be of type struct movables.
4771 Replace last_movable with field in movables structure.
4773 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4775 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4776 (init_pragma): Avoid warning if pfile happens to be unused.
4777 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4778 define init_pragma to nothing. Always prototype
4779 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4781 * c-lex.c (process_directive): Always call dispatch_pragma.
4782 Initialize entering_c_header to 0.
4784 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4786 * config/m68hc11/m68hc11.md: New file, machine description for
4788 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4789 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4790 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4791 * config/m68hc11/m68hc11-protos.h: New file.
4792 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4793 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4794 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4795 * config/m68hc11/larith.asm: New file, libgcc routines.
4797 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4799 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4800 (FPBIT_FUNCS): Add _usi_to_sf.
4801 * config/fp-bit.c (usi_to_float): New function.
4802 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4803 (usi_to_float): Add appropriate #define.
4805 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4807 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4809 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4810 * i386.md (attr "type"): Add sse and mmx types.
4811 (attr "memory"): Handle them without a crash.
4812 (movsi_1, movdi_2): Allow MMX regs.
4813 (movdi splits): Don't split moves involving MMX regs.
4814 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4815 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4816 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4817 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4818 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4819 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4820 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4821 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4822 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4823 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4824 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4825 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4826 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4827 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4828 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4829 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4830 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4831 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4832 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4833 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4834 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4835 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4836 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4837 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4838 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4839 mmx_clrdi): New patterns.
4841 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4843 * arm.c: Don't include tm.h directly.
4845 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4847 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4848 testing; simplify subregs of constants and nested subregs.
4850 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4852 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4854 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4856 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4858 * rtl.texi (description of USE): Add note about possible pitfalls
4860 From Richard Henderson:
4861 * reload1.c (choose_reload_regs): Compute need_mode properly.
4863 2000-09-07 Richard Henderson <rth@cygnus.com>
4865 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4866 (__modsi3, __umodsi3): Likewise.
4867 (__udivsi3): Likewise. Normalize the TFmode values.
4869 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4871 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4873 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4876 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4878 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4879 (cmpeqdi_t): Add output pattern.
4880 (cmpeqdi_t+1): Don't split when not optimizing.
4881 Restore proper splitting operation.
4883 2000-09-07 Richard Henderson <rth@cygnus.com>
4885 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4886 do not call dispatch_pragma.
4888 2000-09-07 Jim Wilson <wilson@cygnus.com>
4890 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4891 to CLASS_CANNOT_CHANGE_MODE.
4892 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4893 mode classes are different.
4895 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4897 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4898 left out of commit which removed cppulp.c.
4900 2000-09-07 Richard Henderson <rth@cygnus.com>
4902 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4903 after switch for CASE_DROPS_THROUGH.
4905 2000-09-07 Richard Henderson <rth@cygnus.com>
4907 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4908 Properly extend the biv initial value for the giv.
4909 (record_biv): Zero ext_dependant.
4910 (record_giv): New argument ext_val. Update all callers.
4911 (general_induction_var): Likewise.
4912 (consec_sets_giv): Likewise.
4913 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4914 a sign-extend, zero-extend, or truncate.
4915 (combine_givs_p): Make sure modes are compatible.
4916 (check_ext_dependant_givs): New.
4917 (extend_value_for_giv): New.
4918 * loop.h (struct induction): Add ext_dependant.
4919 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4920 (find_splittable_givs): Likewise.
4921 (final_giv_value): Likewise.
4923 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4925 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4926 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4927 definitions from cpplib.h.
4928 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4930 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4931 documentation for REGISTER_TARGET_PRAGMAS.
4933 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4934 default-pragma callback to implement -Wunknown-pragmas if
4936 * c-parse.in: Move all includes to top of file.
4937 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4939 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4941 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4943 * arm.h, arm-protos.h, arm.c,
4944 c4x.h, c4x-protos.h, c4x.c,
4945 h8300.h, h8300-protos.h, h8300.c,
4946 i370.h, i370-protos.h, i370.c,
4947 i960.h, i960-protos.h, i960.c,
4948 sh.h, sh-protos.h, sh.c,
4949 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4950 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4952 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4953 multiple include guard.
4954 * i370.md (untyped_call): Use GEN_CALL.
4955 (umodsi3): Remove unused variable.
4956 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
4957 * v850.c (output_move_single, output_move_double): Constify
4959 (print_operand): Constify a char *.
4960 * v850.h (struct small_memory_info): Constify name member.
4962 2000-09-07 Kazu Hirata <kazu@hxi.com>
4964 * config/h8300.h: Fix comment typos.
4965 * config/h8300/h8300.md: Likewise.
4966 * config/h8300/lib1funcs.asm: Likewise.
4968 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
4970 * Makefile.in: Remove references to cppulp.{c,o}.
4971 * cppinit.c (initialize_builtins, cpp_start_read,
4972 cpp_handle_option): Update to use cpp_options structure.
4975 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
4977 * c-common.c (time_char_table): Allow %#b and %#h.
4979 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4981 * reorg.c (find_end_label): If the basic block reorder pass moves the
4982 return insn to some other place try to locate it again and put our
4983 end_of_function_label there.
4984 * reorg.c (relax_delay_slots): Check if find_end_label created a
4985 new label that invalidates the current optimazation.
4987 2000-09-07 Catherine Moore <clm@redhat.com>
4989 * unroll.c (unroll_loop): Check for unconditional jumps
4990 to loop continuation. Delete if n_iterations is 1.
4991 (ujump_to_loop_cont): New routine.
4993 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
4995 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
4997 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
4998 to handle multiword modes correctly. All callers and the declaration
5001 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5003 * c-common.h (prep_stmt): Declare.
5004 (lang_expand_stmt): Likewise.
5005 * c-decl.c (lang_expand_stmt): Remove.
5006 * c-semantics.c (lang_expand_stmt): Define.
5007 (prep_stmt): New function.
5008 (expand_stmt): Handle common statement types here.
5010 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
5012 * configure.in (sh-*-linux*): Added.
5013 * configure: Rebuilt.
5014 * config/sh/t-linux: New file.
5015 * config/sh/sh.h (USERMODE_BIT): Define.
5016 (TARGET_USERMODE): Likewise.
5017 (TARGET_SWITCHES): New switches for the bits above.
5018 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
5019 * config/sh/linux.h: New file.
5020 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
5021 underscore on linux.
5022 (L_sdivsi3, L_udivsi3): Define for linux.
5023 (L_ic_invalidate): Define.
5024 * invoke.texi (SH Options): Document -musermode.
5026 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
5028 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
5029 CSE unless generating PIC.
5031 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
5034 2000-09-06 H.J. Lu (hjl@gnu.org)
5036 * Makefile.in (clean_s1): Depend on stage_b.
5037 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
5038 stage2. They are used for "make compare".
5040 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5042 Move statement-tree facilities from C++ to C front-end.
5043 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
5044 (void_zero_node): New macro.
5045 (struct stmt_tree_s): New type.
5046 (stmt_tree): New typedef.
5047 (struct language_function): New type.
5048 (last_tree): New macro.
5049 (last_expr_type): Likewise.
5050 (walk_tree_fn): New typedef.
5051 (current_stmt_tree): New function.
5052 (begin_stmt_tree): Likewise.
5053 (add_stmt): Likewise.
5054 (finish_stmt_tree): Likewise.
5055 (statement_code_p): Likewise.
5056 (lang_statement_code_p): New variable.
5057 (walk_stmt_tree): New function.
5058 (STMT_IS_FULL_EXPR_P): New macro.
5059 * c-common.c (lang_statement_code_p): New variable.
5060 (c_common_nodes_and_builtins): Initialize void_zero_node.
5061 (statement_code_p): New function.
5062 (walk_stmt_tree): Likewise.
5063 * c-decl.c (language_function): Rename to ...
5064 (c_language_function): ... this. Include language_function.
5065 (push_c_function_context): Adjust accordingly.
5066 (pop_c_function_context): Likewise.
5067 (mark_c_function_context): Likewise.
5068 (current_stmt_tree): Define.
5069 * c-semantics.c (begin_stmt_tree): New function.
5070 (add_stmt): Likewise.
5071 (prune_unused_decls): Likewise.
5072 (finish_stmt_tree): Likewise.
5074 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5076 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
5078 2000-09-06 Kazu Hirata <kazu@hxi.com>
5080 * calls.c: Fix formatting.
5082 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
5084 * config/i386/i386.h (ADDRESS_COST): Fix typo.
5086 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5088 Integrated preprocessor.
5090 * Makefile.in: Remove all references to c-parse.gperf,
5091 c-gperf.h, and c-parse.h. Remove -d from yacc command line
5092 generating c-parse.c. Update dependencies.
5093 * c-parse.gperf, c-gperf.h: Delete.
5095 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
5096 yy_lim, or yy_get_token. Don't define get_directive_line if
5098 * c-common.h: Add multiple include guard. Define RID values
5099 for every keyword in C, C++, and Objective C. Put all the
5101 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
5102 * c-decl.c (c_decode_option): Handle -lang-objc here.
5103 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
5104 (grokdeclarator): Adjust for new RID scheme.
5105 (extract_interface_info): New stub.
5106 * c-lang.c: Don't declare yy_cur or parse_options.
5107 (lang_init_options): Call cpp_init. Don't call
5109 (lang_init): Don't call check_newline if USE_CPPLIB.
5111 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
5112 Elide lots of unnecessary code if USE_CPPLIB. Delete code
5113 rendered unnecessary by new architecture. Move routines not
5114 shared with C++ to c-parse.in. Maintain a local idea of the
5115 line number. Handle C++ as well as C.
5116 [USE_CPPLIB]: Declare and register callbacks for #ident and
5117 for entering/leaving files.
5118 (init_c_lex, c_lex): Are now the entry points to this file.
5119 (check_newline): Break out directive handling to
5121 (read_ucs, is_extended_char, utf8_extend_token): Moved here
5123 (readescape, parse_float): Overhaul.
5124 (lex_number, lex_string, lex_charconst): Break out of c_lex
5126 (get_fileinfo, update_header_times, dump_one_header,
5127 dump_time_statistics): New and/or moved here from C++.
5128 Support per-file data needed by C++ and per-header timing
5129 statistics (C++ only, at the moment).
5130 * c-lex.h: Update prototypes. Add multiple include guard.
5131 * c-tree.h (struct lang_identifier): Add rid_code field.
5132 (C_IS_RESERVED_WORD, C_RID_CODE): New.
5134 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
5135 reinit_parse_for_function and/or position_after_white_space.
5136 (save_filename, save_lineno): Look ahead before saving.
5137 (label -> identifier ':'): Save file and line before shifting ':'.
5138 (reservedwords): No need to call get_identifier.
5139 (init_parse, finish_parse, yyerror, yylex, yyprint,
5140 make_pointer_declarator): Are now here for C/ObjC.
5141 (rid_to_yy): Conversion table from RID constants to Yacc codes.
5143 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
5144 #pragma registry. Provide dummy implementation of that
5145 interface if !USE_CPPLIB.
5146 * c-pragma.h: Update to match.
5148 * flags.h: Add multiple include guard.
5149 (flag_detailed_statistics): Moved here from C++.
5150 * toplev.c: Define flag_detailed_statistics.
5152 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
5154 * timevar.def (TV_CPP, TV_LEX): New.
5155 * timevar.h: Add multiple include guard.
5157 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
5159 * objc/objc-act.c: Don't mention yy_cur or parse_options.
5160 Initialize cpplib properly. Force lineno to 0 after first
5161 call to check_newline. Don't handle -lang-objc here.
5162 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
5164 2000-09-06 David Edelsohn <edelsohn@gnu.org>
5166 * rs6000.md: Correct function unit definitions for cr_logical and
5168 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
5169 and use portable method for >=0 and floating point >=. Remove
5170 associated matchers.
5172 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5174 * extend.texi: Mark named return value extension as deprecated.
5176 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5178 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
5181 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
5183 * toplev.c (display_help): Fix thinko in documentation.
5185 * diagnostic.h (output_buffer::indent_skip): New fields.
5186 (output_indentation): New macro.
5188 * diagnostic.c (output_indent): New function.
5189 (output_set_prefix, clear_diagnostic_info): Use.
5190 (output_emit_prefix): Predict future indentation.
5192 2000-09-06 DJ Delorie <dj@redhat.com>
5194 * Makefile.in (stage_*): add more dependencies to ensure parallel
5195 builds build correctly
5197 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
5199 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
5200 not bootstrap-lean_f.
5202 2000-09-06 Andreas Schwab <schwab@suse.de>
5204 * mklibgcc.in: Emit rule for libgcc-stage-start.
5205 * Makefile.in (stage1-start, stage2-start, stage3-start,
5206 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
5208 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
5210 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
5211 (update_equiv_regs): Likewise, except for the mn10200 kludge.
5212 (combine_regs): Likewise.
5214 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
5215 * cse.c: Include "basic-block.h".
5216 (struct table_elt): New field REGCOST.
5217 (CHEAP_REG): Delete macro.
5218 (COST): Return 0 for REGs.
5219 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
5220 (notreg_cost): Return 0 for appropriate SUBREGs.
5221 (COSTS_N_INSNS): Return N * 2.
5222 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
5224 (CHEAPER): Use new function preferrable.
5225 (insert): Initialize REGCOST member.
5226 (find_best_addr): Use approx_reg_cost for estimation of register
5228 (cse_insn): Likewise.
5229 * loop.c (iv_add_mult_cost): New function.
5230 (add_cost, shift_cost, mult_cost): Delete variables.
5231 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
5232 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
5233 Make code that detects autoinc opportunities slightly less optimistic.
5234 (simplify_giv_expr): If expression contains other reg that is also a
5235 giv, only increment benefit if this is the only use of that reg.
5236 (consec_sets_giv): Take that change into account.
5237 (combine_givs): Slightly more verbose output.
5239 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
5240 not the cost of an equivalent shift.
5241 * sh-protos.h (addsubcosts): Declare.
5242 * sh.c (addsubcosts): New function.
5243 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
5244 (RTX_COSTS): Tweak. Use addsubcosts.
5245 (ADDRESS_COST): Return higher cost for reg+reg addressing.
5247 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5249 * config/rs6000/rs6000.c (validate_condition_mode): New function.
5250 (branch_comparison_operator): Call validate_condition_mode to
5251 abort rather than returning 0.
5252 (branch_positive_comparison_operator): New function.
5253 (scc_comparison_operator): Call validate_condition_mode to abort
5254 rather than returning 0.
5255 (ccr_bit): Call validate_condition_mode. Update for
5257 (print_operand): Delete %C modifier. Update %E case
5258 to use EQ bit not SO bit.
5259 (rs6000_reverse_condition): New function.
5260 (rs6000_generate_compare): New function.
5261 (rs6000_emit_sCOND): New function.
5262 (rs6000_emit_cbranch): New function.
5263 (output_cbranch): The length of a long branch insn is
5264 now only 8 bytes. Add validate_condition_mode. Use
5265 rs6000_reverse_condition. Remove cror generation.
5267 * config/rs6000/rs6000.h: Update comments.
5268 (PREDICATE_CODES): Add new predicate. Update codes used
5269 by branch_comparison_operator and scc_comparison_operator.
5270 * config/rs6000/rs6000-protos.h: Add prototypes for
5271 new external functions.
5272 * config/rs6000/rs6000.md: Add new scheduling parameters
5273 for cr_logical instructions. Change length of branch
5275 (bCOND patterns): Call rs6000_emit_cbranch.
5276 (sCOND patterns): Call rs6000_emit_sCOND.
5277 (branch patterns): Change lengths to 4.
5278 (cr logical patterns): New.
5280 2000-09-06 Richard Henderson <rth@cygnus.com>
5282 * config/i386/i386.md (call_pop): Fix test for setting
5283 current_function_uses_pic_offset_table.
5284 (call, call_value_pop, call_value): Likewise.
5286 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5288 * timevar.c (timevar_add): Delete.
5289 (timevar_get): Also count time since the selected timer was
5290 last updated. Do not examine the timevar stack if the
5291 selected timer is standalone.
5293 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5295 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
5297 2000-09-05 Jason Merrill <jason@redhat.com>
5299 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
5300 for 'extern' arrays.
5302 2000-09-05 Richard Henderson <rth@cygnus.com>
5304 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
5305 Eliminate final copy from non-trapping case.
5306 (__divdf3, __divsf3): Likewise.
5308 2000-09-05 Richard Henderson <rth@cygnus.com>
5310 * config/ia64/ia64.md (mulhi3): Fix typo last change.
5311 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
5313 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
5315 * Makefile.in: Restructure bootstrap stages to allow clean
5316 restart after failure.
5318 2000-09-05 Richard Henderson <rth@cygnus.com>
5320 * config/ia64.md (movsi and movdi patterns): Allow moves from
5321 8-bit constants to AR registers.
5323 2000-09-05 Richard Henderson <rth@cygnus.com>
5325 * config/ia64/ia64.md (mulhi3): New.
5327 2000-09-05 Richard Henderson <rth@cygnus.com>
5329 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
5330 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
5331 Optimization Guide, minimum latency alternative.
5332 (__moddi3, __udivdi3, __umoddi3): Likewise.
5333 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
5335 2000-09-05 Bruce Korb <bkorb@gnu.org>
5337 * fixinc/fixincl.c (load_file): always read header files
5338 with sizes that are a multiple of the page size.
5339 & use libiberty's getpagesize for determining that.
5341 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
5343 * gcse.c (hash_string_1): Add prototype.
5344 * cse.c (canon_hash_string): Likewise.
5346 2000-09-04 Craig Newell <CraigN@ieee.org>
5348 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
5350 2000-09-04 Andreas Schwab <schwab@suse.de>
5352 * Makefile.in (STAGESTUFF): Remove libgcc.
5353 (stage1-start, stage2-start, stage3-start): Copy the contents of
5354 the libgcc directory explicitly.
5355 (mostlyclean): Clean libgcc.
5357 2000-09-04 Andrew Haley <aph@redhat.com>
5359 * dwarf2out.c: (stack_adjust_offset): New prototype.
5361 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
5363 * combine.c (make_extraction): Fix rtx_cost comparison to
5366 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
5368 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
5369 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
5370 Add '*' to insn pattern name.
5372 2000-09-04 Jakub Jelinek <jakub@redhat.com>
5374 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
5375 use posn - 1 to index into tokens array.
5376 (maybe_paste_with_next): Adjust caller.
5378 2000-09-03 Geoff Keating <geoffk@cygnus.com>
5380 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
5382 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
5383 (REGNO_REG_CLASS): Use symbolic register
5386 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
5388 * arm.c (final_prescan_insn): If the form of a jump insn isn't
5389 recognized, don't try to conditionally execute it.
5391 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
5393 * config/avr/avr.md ("*tablejump_lib"): New pattern.
5394 (call_value_insn): Right length claculation.
5395 (call_insn): Likewise.
5397 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
5399 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
5400 gas_output_limited_string, gas_output_ascii, output_movqi,
5401 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
5402 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
5403 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
5404 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
5405 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
5406 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
5407 Add "const" as needed to remove warnings.
5409 * config/avr/avr.c (avr_override_options, avr_init_once,
5410 function_prologue, function_epilogue, frame_pointer_required_p,
5411 class_likely_spilled_p, order_regs_for_local_alloc,
5412 avr_address_cost, avr_ret_register): Use K&R style arguments.
5413 (initial_elimination_offset, gas_output_limited_string):
5414 Remove ATTRIBUTE_UNUSED from the used arguments.
5415 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
5416 Use local variables src, dest, base to access operands[].
5417 Rename reg_dest to reg_src if that's what it is.
5418 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
5419 constants to LD_REGS if reg_was_0.
5420 (output_reload_insisf): Change arg 3 to insn length and set it.
5421 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
5422 access to 16-bit I/O register pairs.
5423 (avr_address_cost): Lower cost for the above case.
5424 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
5425 may be clobbered, also for LD_REGS.
5426 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
5429 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
5431 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
5432 macro to test_hard_reg_class function.
5433 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
5434 for loading immediate constants to LD_REGS.
5435 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
5438 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
5440 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
5441 * config/avr/libgcc.S: Lost part of the previous patch.
5443 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5445 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
5446 object before calling pthread_mutex_init.
5448 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
5450 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
5451 config/sh/crtn.asm: New files.
5452 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
5453 (crt1.o, crti.o, crtn.o): New targets.
5454 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
5456 * configure: Rebuilt.
5457 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5458 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
5459 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5460 Undefine for config/elfos.h to redefine.
5461 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
5463 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
5465 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
5466 legitimize_pic_address, output_pic_addr_const): Declare.
5467 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
5468 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
5469 (TARGET_SWITCHES): New switch -mprefergot.
5470 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
5471 (PIC_OFFSET_TABLE_REGNUM): Define.
5472 (GOT_SYMBOL_TABLE): Likewise.
5473 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
5474 (ENCODE_SECTION_INFO): Define.
5475 (FINALIZE_PIC): New macros.
5476 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
5477 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
5478 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
5479 (prepare_move_operands): Call emit_pic_move or
5480 emit_pic_const_move if appropriate.
5481 (output_far_jump): For PIC, use braf and output long offset.
5482 (machine_dependent_reorg):
5483 (sh_expand_prologue): Save and initialize the PIC register.
5484 (sh_expand_epilogue): Restore it.
5485 (initial_elimination_offset): Account for it.
5486 (nonpic_symbol_mentioned_p): New function.
5487 (legitimize_pic_address): Likewise.
5488 (output_pic_addr_const): Likewise.
5489 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
5490 (call, call_value): Use them.
5491 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
5492 symPLT_label2reg): New expands.
5493 * invoke.texi (SH Options): Document -mprefergot.
5495 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
5497 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
5498 * gcse.c (hash_string_1): New function.
5499 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
5500 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
5501 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
5502 (canon_hash_string): New function.
5503 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
5504 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
5505 (fold_rtx): Use ASM_OPERANDS accessor macros.
5506 * emit-rtl.c (copy_insn_1): Likewise.
5507 * integrate.c (copy_rtx_and_substitute): Likewise.
5508 * stmt.c (expand_asm_operands): Likewise. Give an
5509 ASM_OPERANDS rtx the mode of the output reg being set from it.
5511 2000-09-01 Fred Fish <fnf@be.com>
5513 * fix-header.c (write_rbrac): Add putc and getc to list of
5514 functions to protect against prior definition as a macro.
5516 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
5518 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
5519 (c_size_type_node): Define.
5520 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
5521 * c-common.c (enum format_lengths, enum format_std_version,
5522 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
5523 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
5524 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
5525 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
5526 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
5527 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
5528 format_types): Define.
5529 (format_char_info, print_char_table, scan_char_table,
5530 time_char_table): Rearrange for new organization of information
5531 about format length modifiers and standard versions.
5532 (T_ST): Redefine to use c_size_type_node.
5533 (check_format_info): Obtain information about length modifiers and
5534 standard versions from tables. Adjust warning message wordings.
5535 Use the name from the user's program for `ll' and `hh' length
5536 modifiers in warning messages. Use more informative names for
5537 wanted types where available (for wchar_t, wint_t, size_t, signed
5538 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
5540 2000-09-01 Jim Wilson <wilson@cygnus.com>
5542 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5543 * combine.c (distribute_notes): Handle REG_NORETURN.
5544 * rtl.c (reg_note_name): Add REG_NORETURN.
5545 * rtl.h (enum reg_note): Likewise.
5547 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5549 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5550 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5551 (emit_predicate_relation_info): Handle conditional calls with
5553 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5554 instead of ia64_file_start.
5555 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5556 * config/ia64/ia64.md (safe_across_calls_all,
5557 save_across_calls_normal): New patterns.
5559 * loop.c (check_final_value): Check for biv use before checking for
5560 giv use. Check for both biv and giv uses. Always set last_giv_use
5561 if there is a giv use.
5563 2000-09-01 Richard Henderson <rth@cygnus.com>
5565 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5566 (madddi3): Likewise.
5569 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5571 * expr.c (clear_storage): Don't use emit_move_insn unless
5572 either BLKmode or proper size.
5573 (store_constructor): Don't call clear_storage if REG of wrong size.
5575 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5576 of function if returns wiht stack pointer depressed.
5578 2000-09-01 Andrew Haley <aph@redhat.com>
5580 * dwarf2out.c (stack_adjust_offset): New function.
5581 (dwarf2out_stack_adjust): Break out stack adjust logic into
5582 new stack_adjust_offset function. Look inside parallels and
5583 sequences for stack adjustments.
5585 2000-08-31 Jeff Law <law@cygnus.com>
5587 * arm.md: Use no_new_pseudos to determine when it is safe
5588 to create new pseudo registers.
5590 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5591 when we can safely allocate new registers.
5593 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5595 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5596 so that CONCATs are not generated for ASMs.
5597 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5598 not generating_concat_p.
5599 * function.c (pop_function_context_from): Reset
5600 generating_concat_p.
5601 (prepare_function_start): Likewise.
5602 * rtl.c (generating_concat_p): Define.
5603 * rtl.h (generating_concat_p): Declare.
5604 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5606 2000-08-22 Philipp Thomas <pthomas@suse.de>
5607 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5609 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5612 2000-08-30 Greg McGary <greg@mcgary.org>
5614 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5615 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5616 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5618 2000-08-30 Greg McGary <greg@mcgary.org>
5620 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5621 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5622 (TREE_INT_CST): New macro.
5623 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5624 Use new macro TREE_INT_CST.
5626 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5628 * contrib.texi: Add self.
5630 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5632 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5633 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5636 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5638 * fixinc/gnu-regex.c: Don't define `const'.
5640 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5642 * expr.c (store_constructor): Allow variable bounds of array type.
5643 (expand_expr): Don't blow up if type is ERROR_MARK.
5644 * varasm.c (output_constructor): Don't access lower bound of array
5645 type unless need it if index is supplied (so it can be a variable
5646 if no index is supplied).
5647 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5648 Other minor cleanups.
5650 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5652 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5653 for compilations in stage 1 and subsequent stages, respectively.
5654 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5655 * configure: Rebuilt.
5656 * x-vax, x-vax-gcc: Deleted.
5658 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5660 * c-common.c (declare_function_name): Use func_id_node,
5661 function_id_node, and pretty_function_id_node. Do not make
5662 __func__ visible at file scope.
5663 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5664 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5665 (function_id_node, pretty_function_id_node, func_id_node): New
5667 * c-decl.c (init_decl_processing): Initialize function_id_node,
5668 pretty_function_id_node, and func_id_node.
5669 (c_make_fname_decl): Correct comment.
5671 * tree.h (struct tree_identifier): Constify pointer member.
5673 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5674 * c-pragma.h (struct weak_syms): Constify name and value members.
5675 (add_weak): Constify arguments.
5677 * calls.c (special_function_p): Constify a char *.
5678 (expand_call): Remove variable which is initialized and then
5680 * dependence.c (struct def_use, struct induction, struct subscript):
5681 Constify 'variable' member.
5682 (get_low_bound, have_induction_variable): Constify char * argument.
5683 (find_induction_variable): Add braces to avoid dangling else.
5684 (classify_dependence): Constify char * arrays.
5685 * profile.c (output_func_start_profiler): Constify a char *.
5686 * stor-layout.c (finalize_record_size): Constify a char *.
5687 * tree.c (is_attribute_p): Constify a char *.
5688 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5690 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5691 for comprehensibility. Do not call get_identifier if we did
5692 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5693 create temporary string constants, not ggc_alloc_string. No
5694 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5695 char * to hold IDENTIFIER_POINTERs.
5697 2000-08-29 Richard Henderson <rth@cygnus.com>
5699 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5702 2000-08-29 Richard Henderson <rth@cygnus.com>
5704 * reload.c (push_secondary_reload): Allow class == reload_class
5705 if we're using a reload_in/out pattern.
5707 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5708 the half that does not conflict with the reload register.
5709 (reload_outti): Likewise.
5711 2000-08-29 Kazu Hirata <kazu@hxi.com>
5713 * reload.c: Fix formatting.
5715 * stmt.c: Fix formatting.
5717 * gcc.c: Fix formatting.
5719 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5721 * flags.h (time_report, mem_report): New global flags.
5722 * toplev.c: Define time_report and mem_report.
5723 (f_options): Add -ftime-report and -fmem-report.
5724 (compile_file): Turn on time_report if quiet_flag is off.
5725 Call ggc_print_statistics at very end if mem_report is on.
5726 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5728 * ggc-common.c (ggc_print_statistics): Rename to
5729 ggc_print_common_statistics; all callers changed. Scale
5730 quantities above 10K to kilobytes and above 10M to megabytes.
5731 * ggc-page.c (ggc_page_print_statistics): Rename to
5732 ggc_print_statistics. Report memory consumed by internal data
5733 structures for each allocation bucket. Scale quantities above
5734 10K to kilobytes and above 10M to megabytes.
5735 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5736 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5737 Define tally_leaves always.
5738 (ggc_print_statistics): New function.
5739 * ggc.h: Adjust for renamed functions.
5741 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5743 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5744 output_movsisf instead of which_alternative.
5746 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5748 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5750 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5751 (avr_progmem_p): New prototype.
5752 (output_movsisf): Prototype declaration changed.
5753 (output_movqi): New prototype.
5754 (output_movhi): New prototype.
5755 (call_insn_operand): Likewise.
5756 (final_prescan_insn): Likewise.
5757 (avr_simplify_comparision_p): Likewise.
5758 (avr_normalize_condition): Likewise.
5759 (compare_eq_p): Likewise.
5760 (out_shift_with_cnt): Likewise.
5761 (const_int_pow2_p): Likewise.
5762 (output_reload_inhi): Prototype declaration changed.
5764 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5765 (ldi_reg_rtx): New. rtx for r31.
5766 (avr_init_stack): Initialize as "__stack".
5767 (function_prologue): Use it.
5768 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5769 (avr_mcu_name): Initialize as "avr2".
5770 (avr_enhanced_p, avr_mega_p): New variables.
5771 (mcu_types, avr_override_options): Handle all known MCU types.
5772 Also handle avr1 (only preprocess, assemble and link).
5773 (print_operand): Using of `%K' in output template removed.
5774 (out_movqi_r_mr): Optimized.
5775 (out_movhi_r_mr): Likewise.
5776 (output_movqi): New function.
5777 (output_movhi): Likewise.
5778 (out_movsi_r_mr): Optimized.
5779 (output_movsisf): Compute insn length for `adjust_insn_length'
5780 (out_movqi_mr_r): Optimized.
5781 (out_movhi_mr_r): Optimized.
5782 (adjust_insn_length): Use output_movsisf, output_movqi,
5783 output_movhi for insn length adjusting.
5784 (reg_unused_after): Use dead_or_set_p.
5785 (preferred_reload_class): Now havn't any restriction.
5786 (reg_was_0): New function.
5787 (io_address_p): Likewise.
5788 (const_int_pow2_p): Likewise.
5789 (output_reload_inhi): Likewise.
5790 (output_reload_insisf): Likewise.
5792 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5793 (LIB_SPEC): Use -lc for all supported devices.
5794 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5795 (AVR_MEGA): Define as avr_mega_p.
5796 (AVR_ENHANCED): New, define as avr_enhanced_p.
5797 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5798 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5799 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5800 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5801 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5802 (ASM_SPEC): Pass -mmcu=... to the assembler.
5803 Change all -DAVR_* to -D__AVR_*__.
5804 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5805 Rename library functions to start with two underscores.
5806 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5808 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5809 (SUPPORTS_WEAK): Likewise.
5810 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5811 register for loading constants to r0-r14.
5813 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5815 (*mov_r_sp): Removed. Handled by output_movhi.
5816 (*mov_sp_r): Likewise.
5817 (*mov_sp_r_no_interrupts): Likewise
5818 (*mov_sp_r_tiny): Likewise.
5819 (*movqi): Use output_movqi.
5820 (*reload_inqi): New.
5821 (*movhi): Use output_movhi.
5822 (*reload_inhi): New.
5823 (*negsi2): Optimized.
5824 (*negsf2): Likewise.
5825 Added peepholes (define_peephole2) for loading constants to r0-r14
5826 and for using `cpse' command.
5828 * config/avr/libgcc.S: Rename library functions to start with two
5830 Add support for enhanced core.
5831 (_moqhi3): Fix typo, now _modqi3.
5832 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5833 (__prologue_saves__): Remove test for stack adjust by 0.
5834 (__tablejump__): New.
5836 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5837 Add multilib support.
5839 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5841 * loop.c (prescan_loop): Don't check unknown_address_altered
5842 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5843 to loop_store_mems as necessary.
5844 (loop_invariant_p): Don't check unknown_address_altered
5845 or unknown_constant_address_altered.
5847 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5849 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5851 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5853 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5854 print just the filename.
5855 * cpplex.c (_cpp_run_directive): Add additional argument, the
5856 name to give the synthetic buffer. This defaults to
5857 translated "<command line>".
5858 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5860 (_cpp_define_builtin): New function.
5861 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5862 * cpphash.h: Update prototypes.
5864 * tradcpp.c (main): Process -D and -U simultaneously, in the
5865 order they appeared on the command line.
5867 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5869 * c-decl.c (define_label): Call warning_with_file_and_line and
5870 error_with_file_and_line instead of plain warning or error.
5872 * c-parse.in (label): Use save_filename/save_lineno to ensure
5873 correct values for calls to define_label.
5875 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5877 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5879 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5881 * tree.h (get_file_function_name): Remove two duplicate
5884 2000-08-28 Kazu Hirata <kazu@hxi.com>
5886 * tree.c: Fix formatting.
5888 * xcoffout.c: Fix formatting.
5890 2000-08-28 Jason Merrill <jason@redhat.com>
5892 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5894 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5896 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5897 break_out_includes if it won't do anything.
5899 2000-08-28 Richard Henderson <rth@cygnus.com>
5901 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5902 (find_reloads): Likewise.
5903 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5904 (reload_inhi): Likewise.
5906 2000-08-28 Richard Henderson <rth@cygnus.com>
5908 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5909 (call_insn_operand): Don't expect a surrounding mem.
5910 (constant_call_address_operand): Likewise.
5911 * config/i386/i386.h (PREDICATE_CODES): Update.
5912 * config/i386/i386.md (call patterns): Move the match_operand
5913 for the call destination inside the mem.
5915 2000-08-28 Richard Henderson <rth@cygnus.com>
5917 * local-alloc.c (requires_inout): Don't use reserved range for
5918 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5919 * recog.c (asm_operand_ok): Likewise.
5920 (preprocess_constraints, constrain_operands): Likewise.
5921 * regclass.c (record_reg_classes): Likewise.
5922 * reload.c (find_reloads): Likewise.
5923 * reload1.c (maybe_fix_stack_asms): Likewise.
5924 (reload_cse_simplify_operands): Likewise.
5925 * stmt.c (expand_asm_operands): Likewise.
5927 * md.texi: Update constraints documentation.
5928 * tm.texi (EXTRA_CONSTRAINT): Update.
5930 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5932 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5933 (print_die): If we don't know the offset of the
5934 target die, try the symbol. Add a trailing newline.
5935 (reverse_all_dies): New fn.
5936 (dwarf2out_finish): Call it.
5937 (break_out_includes): Reorganize for clarity.
5938 (add_sibling_attributes): Don't call reverse_die_lists.
5939 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5941 * flags.h: Add flag_eliminate_dwarf2_dups.
5942 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5944 2000-08-28 Jason Merrill <jason@redhat.com>
5946 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5947 * dwarf2out.c: #include "md5.h".
5948 (DIE_LABEL_PREFIX): New macro.
5949 (dw_val_struct): Add 'external' flag to val_die_ref.
5950 (add_AT_die_ref, AT_ref): Adjust.
5951 (AT_ref_external, set_AT_ref_external): New fns.
5952 (build_abbrev_table): Call set_AT_ref_external.
5953 (value_format): Call AT_ref_external.
5954 (die_struct): Add die_symbol field.
5955 (new_die): Clear it.
5956 (dwarf_tag_name): Handle BINCL/EINCL.
5957 (dwarf2out_start_source_file): Add BINCL DIE.
5958 (dwarf2out_end_source_file): Add EINCL DIE.
5959 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
5960 (loc_checksum, attr_checksum, die_checksum): New fns.
5961 (is_type_die, is_comdat_die, is_symbol_die): New fns.
5962 (compute_section_prefix, assign_symbol_names): New fns.
5963 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
5964 (output_die): Call output_die_symbol and AT_ref_external.
5965 (output_comdat_comp_unit): New fn, split out from...
5966 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
5968 (output_pubnames, output_aranges): Abort if we see entries from
5970 * toplev.h: Declare file_name_nondirectory.
5971 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
5972 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
5973 (debug_start_source_file): Call dwarf2out_start_source_file
5974 regardless of debug verbosity.
5975 (debug_end_source_file): Similarly.
5976 * tree.h: Declare clean_symbol_name.
5977 * tree.c (clean_symbol_name): Split out from...
5978 (get_file_function_name_long): ...here.
5980 * dwarf2out.c (new_loc_descr): Use calloc.
5981 (splice_child_die): Remove the die from the right parent.
5982 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
5984 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5986 * toplev.c (decode_g_option): Don't give warning for unknown -g
5987 option; return 0 instead.
5988 (main): If -g option is not recognized by front end or
5989 language-independent code, give warning.
5991 2000-08-28 Greg McGary <greg@mcgary.org>
5993 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
5994 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
5995 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
5997 2000-08-27 Greg McGary <greg@mcgary.org>
5999 * cpplex.c (parse_string): Don't look for backslash
6000 before first char in `namebuf'.
6001 * loop.c (strength_reduce): Skip NOTEs.
6003 2000-08-27 Jason Merrill <jason@redhat.com>
6005 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
6006 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
6007 TREE_ASM_WRITTEN, either.
6008 (finish_decl): Adjust.
6010 2000-08-28 Philipp Thomas <pthomas@suse.de>
6012 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
6013 they have been incorporated into the gettext CVS. Change the text to
6014 reflect the current status of NLS. Add instructions for accessing
6015 the gettext CVS and add the patch from Martin v. Loewis.
6017 2000-08-27 Geoff Keating <geoffk@cygnus.com>
6019 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
6020 by using gen_lowpart_common.
6021 (movdi_internal64+6): Likewise.
6023 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
6025 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
6028 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
6029 numbers to the ranges used by GDB.
6031 2000-08-25 Richard Henderson <rth@cygnus.com>
6033 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
6034 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
6035 (ia64_expand_prologue): Likewise.
6036 (ia64_setup_incoming_varargs): Set it. Properly skip the current
6037 argument for stdargs.
6039 2000-08-25 Jason Merrill <jason@redhat.com>
6041 * integrate.c (expand_inline_function): Pull out the original decl.
6043 2000-08-25 Jim Wilson <wilson@cygnus.com>
6045 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
6047 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
6049 2000-08-25 Greg McGary <greg@mcgary.org>
6051 * flow.c (dump_edge_info): Use ARRAY_SIZE.
6052 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
6054 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
6056 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
6058 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
6060 * i386.c (ix86_find_base_term): New.
6061 * i386-protos.h (ix86_find_base_term): Prototype.
6062 * i386.h (FIND_BASE_TERM): Define.
6063 * alias.c (find_base_term): Use it.
6064 * tm.texi (FIND_BASE_TERM): Document it.
6066 * alias.c (true_dependence, write_dependence_p): Unchanging
6067 memory can't conflict with non-unchanging memory.
6069 * alias.c (memrefs_conflict_p): A BLKmode reference
6070 to a symbol (or CONST_INT address) always conflicts
6071 with a reference to another symbol.
6073 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
6075 * c-common.c (time_char_table): Don't allow width and flags with
6078 2000-08-25 Jakub Jelinek <jakub@redhat.com>
6080 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
6081 way as LT and LTU when the second operand has 0 in low word.
6083 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6085 * basic-block.h (struct loop): Rename `exits' field to
6086 `exit_edges'. Add `entry_edges' and `num_entries' fields.
6088 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
6089 (flow_loop_entry_edges_find): Add.
6090 (flow_edge_list_print): Rename from flow_exits_print.
6091 (flow_loops_find): Call flow_loop_entry_edges_find.
6092 (flow_loop_dump): Dump entry_edges list.
6093 (flow_loops_free): Free entry_edges.
6095 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6097 * loop.c (loop_dump_aux, debug_loop): New functions.
6098 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
6100 * flow.c (flow_loops_dump): Add callback parameter.
6101 (flow_loop_dump): Add callback parameter and call it. Move
6102 loop note debugging code to loop_dump_aux.
6104 * basic-block.h (flow_loop_dump): Add callback parameter
6105 (flow_loops_dump): Likewise.
6107 * toplev.c (rest_of_compilation): Add NULL callback function pointer
6108 to call to flow_loops_dump.
6110 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6112 * loop.c (count_loop_regs_set): Replace start and end arguments
6113 with loop argument. All callers udated.
6115 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6117 * loop.c (constant_high_bytes): Delete.
6119 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6121 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
6122 and NOTE_INSN_LOOP_VTOP to...
6123 (find_and_verify_loops) ...here.
6125 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
6127 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
6128 (fini_dummy, init_dummy): Use it.
6130 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
6132 * cpplex.c (is_macro_disabled): Caller has already checked
6133 that we're not a preprocessed file.
6135 2000-08-24 Mark Mitchell <mark@codesourcery.com>
6137 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
6138 (c-iterate.o): Remove target.
6139 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
6140 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
6141 (finish_decl): Don't handle iterators.
6142 (grokdeclarator): Likewise.
6143 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
6144 * gcc/c-gperf.h: Regenerated.
6145 * gcc/c-iterate.c: Removed.
6146 * gcc/c-lex.c (init_lex): Don't handle iterators.
6147 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
6148 (compstmt_primary_start): Remove push_iterator_stack call.
6149 (stmt): Don't allow iterator statements. Replace iterator_expand
6150 with expand_expr_stmt.
6151 (all_iter_stmt): Remove.
6152 (all_iter_stmt_simple): Likewise.
6153 (all_iter_stmt_with_decl): Likewise.
6154 * gcc/c-tree.h (ITERATOR_P): Remove.
6155 (ITERATOR_BOUND_P): Likewise.
6156 (init_iterators): Remove declaration.
6157 (iterator_expand): Likewise.
6158 (iterator_for_loop_start): Likewise.
6159 (iterator_for_loop_end): Likewise.
6160 (iterator_for_loop_record): Likewise.
6161 (push_iterator_stack): Likewise.
6162 (pop_iterator_stack): Likewise.
6163 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
6164 (readonly_warning): Likewise.
6165 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
6167 2000-08-24 Jim Wilson <wilson@cygnus.com>
6169 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
6170 Copy type in a TYPE_DECL, just like pushdecl does.
6172 2000-08-24 Richard Henderson <rth@cygnus.com>
6174 * toplev.c (main): Enable flag_reorder_blocks at -O2.
6176 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
6178 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
6179 asked for one page, allocate GGC_QUIRE_SIZE of them and put
6180 the extras on the free list.
6181 (release_pages): Clean up.
6182 (ggc_set_mark): Don't adjust G.allocated here...
6183 (sweep_pages): ... do it here.
6185 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
6187 * cppfiles.c (read_include_file): Rearrange initializations.
6189 2000-08-24 Richard Henderson <rth@cygnus.com>
6191 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
6193 * config/ia64/ia64-protos.h: Update.
6194 * config/ia64/ia64.c (gr_register_operand): New.
6195 (fr_register_operand, grfr_register_operand): New.
6196 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
6197 (grfr_reg_or_8bit_operand): New.
6198 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
6199 use gr_register_operand.
6200 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
6201 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
6202 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
6203 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
6204 (fr_reg_or_fp01_operand): Likewise.
6205 (not_postinc_memory_operand): New.
6206 (ia64_split_timode): Remove unused variables.
6207 (rtx_needs_barrier): Check arguments to cmpxchg.
6208 (builtin_description): Remove.
6209 (bdesc_2argsi, bdesc_2argdi): Remove.
6210 (ia64_init_builtins): Declare all builtins directly.
6211 (ia64_expand_fetch_and_op): Rewrite to be called from
6212 ia64_expand_builtin directly. Use expand_binop and co.
6213 (ia64_expand_op_and_fetch): Likewise.
6214 (ia64_expand_compare_and_swap): Likewise.
6215 (ia64_expand_binop_builtin): Remove.
6216 (ia64_expand_lock_test_and_set): New.
6217 (ia64_expand_lock_release): New.
6218 (ia64_expand_builtin): Use them.
6219 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
6220 (EXTRA_CONSTRAINT): Use it.
6221 (PREDICATE_CODES): Update.
6222 * config/ia64/ia64.md (*): Use gr_register_operand and co.
6223 (mf): Indicate that we set memory as well as use it.
6224 (fetchadd_acq_si): Show memory being modified as well.
6225 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
6226 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
6227 (lock_test_and_set_si, lock_test_and_set_di): Remove.
6228 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
6229 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
6230 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
6231 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
6232 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
6233 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
6234 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
6235 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
6236 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
6237 return type. Pretty print definitions.
6239 2000-08-24 Jim Wilson <wilson@cygnus.com>
6241 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
6242 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
6244 2000-08-24 Jason Merrill <jason@redhat.com>
6246 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
6247 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
6248 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
6249 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
6251 2000-08-24 Greg McGary <greg@mcgary.org>
6253 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
6254 and extendtab within their proper array boundaries.
6255 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
6256 for the entire array.
6258 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
6259 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
6260 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
6261 * config/fr30/fr30.c (fr30_print_operand): Likewise.
6262 * config/i386/dgux.c (output_options): Likewise.
6263 * config/i386/dgux.h (ASM_FILE_START): Likewise.
6264 * config/m88k/m88k.c (output_options): Likewise.
6265 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
6266 * config/mcore/mcore.c (mcore_output_inline_const_forced,
6267 layout_mcore_frame, handle_structs_in_regs): Likewise.
6268 * config/mips/mips.c (output_block_move): Likewise.
6269 * config/rs6000/rs6000.c (rs6000_override_options,
6270 rs6000_file_start): Likewise.
6271 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
6272 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
6273 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
6274 * builtins.c (expand_builtin_setjmp): Likewise.
6275 * expr.c (safe_from_p): Likewise.
6276 * flow.c (life_analysis): Likewise.
6277 * fold-const.c (size_int_type_wide): Likewise.
6278 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
6279 * genattrtab.c (make_length_attrs): Likewise.
6280 * genopinit.c (gen_insn): Likewise.
6281 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
6282 * global.c (global_alloc): Likewise.
6283 * local-alloc.c (find_free_reg): Likewise.
6284 * mips-tdump.c (print_symbol): Likewise.
6285 * mips-tfile.c (parse_def, parse_input): Likewise.
6286 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
6287 * stmt.c (expand_nl_goto_receiver): Likewise.
6288 * stor-layout.c (set_sizetype): Likewise.
6289 * varasm.c (decode_reg_name): Likewise.
6290 * toplev.c (decode_f_option, decode_W_option,
6291 set_target_switch, print_switch_values): Likewise.
6292 (NUM_ELEM): Remove macro.
6293 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
6295 2000-08-24 Greg McGary <greg@mcgary.org>
6297 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
6298 (MAIN_NAME_P, main_identifier_node): New macros.
6299 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
6300 * c-decl.c (start_decl, grokdeclarator, start_function,
6301 store_parm_decls, finish_function): Use MAIN_NAME_P.
6302 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
6303 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
6304 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
6305 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
6307 2000-08-24 Greg McGary <greg@mcgary.org>
6309 * cppfiles.c (actual_directory): Don't write beyond `dir'
6310 when it contains "".
6311 * real.c (asctoeg): Stay within bounds of etens[][].
6313 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6315 * dependence.c (dependence_string, direction_string,
6316 dump_one_node, dump_node_dependence): Hide unused identifiers.
6317 (get_low_bound, normalize_coefficients): Match definition to
6319 (get_one_coefficient): Initialize variables `value0_is_idx' and
6321 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
6322 (ziv_test): Delete variable `idx', use parameter `sub' instead.
6323 (direction_merge): Avoid automatic aggregate initialization.
6324 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
6325 Initialize variables `dest_idx' and `src_idx'.
6326 (end_dependence_analysis): Avoid C89 style function definition.
6328 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
6330 * c-common.c (time_char_table): Don't allow width with %F.
6331 (check_format_info): Don't allow "Z" length with scanf.
6333 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
6335 * diagnostic.c (finish_diagnostic): Define.
6336 (output_do_printf): Use wrap_text instead of output_add_string.
6337 (default_print_error_function): Avoid embedded '\n'.
6339 * diagnostic.h (flush_diagnostic_buffer): Declare.
6341 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
6343 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
6345 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
6347 * Makefile.in (GCC_PASSES): Add specs.
6349 2000-08-23 Jim Wilson <wilson@cygnus.com>
6351 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
6352 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
6353 EHANDLER nor UHANDLER bit is set.
6354 (__get_except_table): Likewise.
6356 2000-08-23 Nick Clifton <nickc@redhat.com>
6358 * config/arm/lib1funcs.asm: Replace upper case condition codes
6359 with lower case versions.
6361 * config/arm/arm.h (STRUCT_VALUE): Define.
6362 (STRUCT_VALUE_REGNUM): Delete.
6364 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
6366 * cpphash.h (IN_I): New flag for directive table.
6367 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
6369 (_cpp_check_directive): If -fpreprocessed, execute directives
6370 marked with IN_I. Issue no warnings in this case.
6371 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
6373 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
6375 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
6377 (check_format_info): Support printf 'I' flag; warn about it with
6380 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
6382 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
6383 barrier can't be ignored by the alias analysis code.
6385 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
6387 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
6388 works inside fixincl.
6390 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
6392 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
6393 simplify_relational_operation() unless both operands are of
6395 * cse.c (fold_rtx): Likewise.
6397 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
6399 * rtlanal.c (rtx_unstable_p): The pic register is stable
6400 (within one function) and the actual rtx should be used
6401 when checking the registers.
6402 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
6404 * alias.c (true_dependence, write_dependence_p): Fix
6405 bug in previous patch.
6407 * i386.c (ix86_GOT_alias_set): New.
6408 (legitimize_pic_address): Use it.
6410 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
6411 only stable if its address is stable.
6412 (rtx_varies_p): An unchanging MEM can't vary if
6413 its address doesn't vary.
6415 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6417 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
6419 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6421 * vax.h (ASM_SPEC): Pass `-J' to assembler.
6422 * x-vax-gcc: New file for bootstrapping with gcc.
6423 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
6424 * configure.in: Use x-vax-gcc with gcc.
6425 * configure: Rebuilt.
6427 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6429 * toplev.c (rest_of_compilation): Rebuild label notes after
6430 post-reload splitting pass if new labels have been created.
6432 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6434 * diagnostic.h (output_buffer_state): New macro.
6435 * diagnostic.c (diagnostic_for_decl, sorry,
6436 default_print_error_function, output_do_verbatim,
6437 report_diagnostic, report_problematic_module): Use it.
6439 (output_format): Use wrap_text instead of maybe_wrap_text.
6441 2000-08-22 Nick Clifton <nickc@redhat.com>
6443 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
6444 Common code for ARM divide and modulus functions.
6445 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
6447 (FUNC_END): New macro: Common code at the end of the division and
6449 (THUMB_FUNCTION_START): New macro: Common code at the start of
6451 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
6453 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6455 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
6457 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
6458 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
6461 2000-08-22 Nick Clifton <nickc@redhat.com>
6463 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
6464 restorative additions, test for bottom bits of IP being set,
6465 rather than relying upon the RORs not matching.
6468 2000-08-22 David Edelsohn <edelsohn@gnu.org>
6470 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
6471 text_section() as appropriate instead of emitting text csect
6473 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
6474 (UNIQUE_SECTION): Define macro.
6475 (ASM_OUTPUT_SECTION_NAME): Define macro.
6476 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
6477 on AIX if debugging and -fdata-sections always.
6479 2000-08-22 Steven King <sxking@uswest.net>
6481 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
6483 (LDBL_MAX): Same here.
6485 2000-08-22 Richard Henderson <rth@cygnus.com>
6487 * flow.c (tidy_fallthru_edge): Update b->end properly.
6489 2000-08-22 Stan Cox <scox@redhat.com>
6491 * Makefile.in (OBJS): Add dependence.o.
6492 * dependence.c: New file.
6494 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
6496 * calls.c (check_sibcall_argument_overlap_1): Adjust for
6498 (check_sibcall_argument_overlap): Likewise.
6500 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
6502 * invoke.texi (SH Options): Document -m4-nofpu,
6503 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
6504 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
6506 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
6508 * c-common.c (check_format_info): Give the 'some locales' warning
6509 for strftime %Ey rather than the unconditional 'only last 2 digits
6512 2000-08-22 Richard Henderson <rth@cygnus.com>
6514 * alias.c (init_alias_analysis): Do not register
6515 struct_value_incoming_rtx or static_chain_rtx as pointing
6518 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
6520 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
6522 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6524 * diagnostic.h (report_problematic_module): Declare.
6525 * diagnostic.c (report_problematic_module): New function.
6526 (report_error_function): Tweak.
6528 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6530 * stmt.c (expand_goto_internal, fixup_gotos): Only check
6531 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6533 2000-08-21 Richard Henderson <rth@cygnus.com>
6535 * flow.c (calculate_global_regs_live): Mark frame pointer live
6536 everywhere before reload.
6538 2000-08-21 Jim Wilson <wilson@cygnus.com>
6540 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
6541 INTEL_EXTENDED_IEEE_FORMAT.
6542 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6543 clear last two bytes of output FP value.
6545 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6547 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6549 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6551 * unroll.c (loop_find_equiv_value): If ret is modified between
6552 insn and loop_start, ret might not be equivalent to reg.
6554 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6556 * c-common.c (init_dollar_format_checking,
6557 maybe_read_dollar_number, finish_dollar_format_checking): New
6559 (dollar_arguments_used, dollar_arguments_count,
6560 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6562 (check_format_info): Support $ formats for scanf and printf width
6563 and precision. Always increment format_chars to advance past the
6564 '*' of precision, not just when the format parameters are
6567 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6569 * mips.c (block_move_loop, expand_block_move,
6570 function_arg_partial_nregs, save_restore_insns, function_prologue,
6571 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6573 (function_arg_advance, function_arg): Match argument to format
6576 2000-08-21 Nix <nix@esperi.demon.co.uk>
6578 * gcc.c (do_spec_1): Implement %j spec flag.
6579 Remove dead comment.
6581 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6582 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6583 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6584 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6586 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6587 writable) instead of hardcoded value.
6589 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6591 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6594 * gcc.c (cc1_options): Do not process -o or run the assembler if
6596 * objc/lang-spec.h: Likewise.
6598 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6600 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6601 "external" fixes through `cat', to avoid truncating the input
6602 file by redirection.
6604 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6606 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6608 (lea_general_2, lea_general_3): Likewise.
6610 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6612 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6613 warnings to user code.
6615 * c-lex.c (readescape, yylex): Likewise.
6617 * c-typeck.c (store_init_value, process_init_element): Likewise
6618 (c_expand_start_case): Format.
6620 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6622 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6624 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6625 and linker_endian_spec to endian_spec.
6626 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6627 (LINK_SPEC): Remove %{EB} and %{EL}.
6628 (ASM_SPEC): Likewise. Use %(endian_spec).
6630 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6632 * c-tree.h (flag_hosted): Move declaration from here...
6633 * c-common.h (flag_hosted): ... to here.
6634 (flag_noniso_default_format_attributes): New declaration.
6635 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6636 (c_decode_option): Set it appropriately for options choosing
6637 language standard variant.
6638 * c-common.c (init_function_format_info): Only provide default
6639 format attributes if flag_hosted. Only provide the gettext
6640 formats if flag_noniso_default_format_attributes. Update
6642 (check_format_info): Disable treatment of %a as a scanf flag in
6645 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6647 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6649 (check_format_info): Set 'wide' for scanf format widths. Warn for
6650 a zero scanf width. Make the check for writing into a constant
6651 object at the first level of indirection; at later levels, warn if
6652 any type qualifiers are encountered.
6654 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6656 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6658 (push_reload): Use reload_inner_reg_of_subreg.
6659 (combine_reloads): Do not combine reloads if the input reload
6660 is a SUBREG in which the inner part will need reloading.
6662 * global.c (global_alloc): Avoid passing dumpfile argument to
6664 * toplev.c (rest_of_compilation): Likewise.
6665 * reload.h (reload): Remove dumpfile argument. Callers changed.
6666 (debug_reload, debug_reload_to_stream): Move prototypes here.
6667 * rtl.h (reload): Remove dumpfile argument.
6668 * reload.c (debug_reload): Remove prototype.
6669 (debug_reload_to_stream): Likewise.
6670 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6673 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6675 * diagnostic.c (context_as_prefix): Export.
6676 (need_error_newline): Remove.
6677 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6678 (error_module_changed, record_last_error_module,
6679 error_function_changed, record_last_error_function): New functions.
6680 (initialize_diagnostics): Default intialize
6681 lang_diagnostic_starter, lang_diagnostic_finalizer.
6682 (init_output_buffer): Tweak.
6683 (file_name_as_prefix): New function.
6684 (announce_function, default_print_error_function,
6685 report_error_function, set_diagnostic_context): Tweak.
6687 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6689 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6690 condition expression.
6692 2000-08-20 Richard Henderson <rth@cygnus.com>
6694 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6696 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6698 * cppinit.c (cpp_init): Set global flag when called.
6699 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6701 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6703 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6704 before `process_directive' so that newlines won't be missed
6706 (cpp_printf): Increment `print->lineno' when newline is emitted.
6708 * cppmain.c (cb_ident): Likewise.
6709 (cb_define): Likewise.
6710 (cb_undef): Likewise.
6711 (cb_include): Likewise.
6712 (cb_def_pragma): Likewise.
6713 (dump_macros_helper): Likewise.
6715 2000-08-20 Richard Henderson <rth@cygnus.com>
6717 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6718 assigned before a loop.
6720 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6721 (ashrsi3, lshrsi3): Likewise.
6723 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6725 * c-lang.c: #include diagnostic.h
6726 (c_tree_printer): New function.
6727 (lang_init): Initialize lang_printer.
6729 * Makefile.in (c-lang.o): Depends on diagnostic.h
6731 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6733 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6735 * diagnostic.c (default_diagnostic_starter,
6736 default_diagnostic_finalizer): New functions.
6737 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6738 (pedwarn, pedwarn_with_file_and_line, error,
6739 error_with_file_and_line, fatal, warning,
6740 warning_with_file_and_line): Adjust call to report_diagnostic.
6741 (report_diagnostic): Rework.
6742 (set_diagnostic_context): New function.
6744 * diagnostic.h (struct diagnostic_context): New data structure.
6745 (diagnostic_message, diagnostic_argument_list,
6746 diagnostic_file_location, diagnostic_line_location,
6747 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6748 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6749 (set_diagnostic_context): Declare.
6750 (report_diagnostic): Change prototype.
6752 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6754 * fix-header.c (main): Initialize cpplib.
6756 2000-08-19 Michael Meissner <meissner@redhat.com>
6758 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6759 instructions in it before checking for indirect jumps.
6761 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6762 in a indirect jump as a potential for conditional execution.
6764 * d30v.h (d30v_init_expanders): Don't declare here.
6765 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6768 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6770 * cpp.texi: Add @section for assertions.
6772 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6774 * loop.c (scan_loop): Use CONST_CALL_P instead of
6775 checking for REG_LIBCALL / REG_RETVAL.
6777 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6779 * reload1.c (reload_as_needed): Accept dumpfile argument,
6780 pass it to emit_reload_insns.
6781 (emit_reload_insns): Add new dumpfile argument. If non-null
6782 then dump the reloads for each insn into the dumpfile.
6783 (reload): Pass dumpfile to reload_as_needed.
6785 * invoke.texi: Clean up linux-gnu vs linux comments.
6787 2000-08-19 Richard Henderson <rth@cygnus.com>
6789 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6790 (ia64_depz_field_mask): New.
6791 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6792 (PREDICATE_CODES): Update.
6793 * config/ia64/ia64.md: Update commentary.
6794 (depz_internal): New.
6795 (ashlsi3): Implement directly.
6796 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6797 (ashldi3): Use shladd.
6798 * config/ia64/ia64-protos.h: Update.
6800 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6802 * toplev.c (independent_decode_option): Always process -g.
6803 Remove third argument, now unused. Adjust caller to match.
6805 2000-08-18 Richard Henderson <rth@cygnus.com>
6807 * combine.c (make_compound_operation): Break after creating
6810 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6812 * cpplib.c (cpp_register_pragma_space): Just return if the
6813 namespace is already registered.
6815 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6817 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6818 constant amount. Do not generate ROTL instruction.
6820 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6822 * config/sh/elf.h: Do not include sh/sh.h.
6823 * config/sh/rtems.h: Likewise.
6824 * config/sh/rtemself.h: Do not include sh/elf.h.
6825 * configure.in: Get them included with `tm_file's.
6826 * configure: Rebuilt.
6828 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6829 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6831 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6833 * stor-layout.c (compute_record_type): Don't use mode of single
6834 field as mode of record if not integer mode of same type.
6836 * regmove.c (perhaps_ends_bb_p): New function.
6837 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6838 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6839 (fixup_match_1): Likewise.
6840 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6841 avoid signed/unsigned warnings.
6843 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6846 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6848 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6849 (_cpp_trigraph_map): Declaration moved from cpplex.c
6851 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6852 instead of 256. Use consistent test for designated initializers.
6853 (cpp_init): Initialize trigraph_map.
6854 (initialize_standard_includes, parse_option): Use memcmp
6857 * cpplex.c (init_trigraph_map): Remove.
6858 (trigraph_ok, trigraph_replace, lex_line): Refer to
6861 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6862 (do_unassert): Remove unused "next" local.
6864 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6866 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6868 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6871 2000-08-17 Richard Henderson <rth@cygnus.com>
6873 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6874 the first insn in a sequence.
6876 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6878 * alias.c (true_dependence, write_dependence_p): A read
6879 involving a label_ref or the constant pool doesn't create
6882 * rtl.h (unchanging): Improve documentation.
6884 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6886 * cse.c (insert_regs): Remove unused `regno'.
6888 2000-08-17 Neil Booth <NeilB@earthling.net>
6890 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6891 remove_dup_dirs. If qtail == brack, remove brack not
6893 (remove_dup_dir, remove_dup_dirs): New functions.
6895 2000-08-17 Neil Booth <NeilB@earthling.net>
6897 * cppinit.c (cpp_cleanup): Free include dir chains.
6898 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6899 (do_unassert): Free the assert with _cpp_free_definition.
6900 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6901 assertions. Make the node a T_VOID node.
6903 2000-08-17 Neil Booth <NeilB@earthling.net>
6905 * cppinit.c (path_include, append_include_chain):
6906 Remove 2nd parameter (struct cpp_pending *).
6907 (path_include, initialize_standard_includes, cpp_handle_option):
6908 Update callers appropriately.
6909 (cpp_handle_option): Use pend.
6911 2000-08-17 Neil Booth <NeilB@earthling.net>
6913 * cppinit.c (sort_options): Remove, put functionality in
6916 (initialize_builtins): Free memory.
6917 (cpp_start_read): Move init_IStable to cpp_init.
6919 * cpplib.h (cpp_init): New prototype.
6920 * cppmain.c (main): Call cpp_init.
6922 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6924 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6925 (rtx_unstable_p, rtx_varies_p): Process vectors.
6927 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6929 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6930 references to GLOBAL symbols. Use LOCAL where appropriate.
6932 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6934 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6935 use t-aix41 when host == target.
6937 2000-08-16 Richard Henderson <rth@cygnus.com>
6939 * reload.c (push_secondary_reload): Revert last change.
6940 If we use a reload_in/out pattern, make the when the same
6941 as the primary reload.
6942 (find_reloads): Likewise.
6944 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6946 * configure.in (libstdcxx-v3): Fix test.
6947 * configure: Regenerate.
6949 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6951 * calls.c (calls_function_1, expand_call): Only test
6952 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6953 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6955 2000-08-16 Richard Henderson <rth@cygnus.com>
6957 * combine.c (simplify_shift_const): Revert previous two
6958 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
6959 before the main loop.
6961 2000-08-15 Richard Henderson <rth@cygnus.com>
6963 * combine.c (simplify_shift_const): Bound shift count when
6966 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6968 * calls.c (ECF_SP_DEPRESSED): New macro.
6969 (calls_function_1): Treat calling sp-depressed function as alloca.
6970 (emit_call_1): Don't adjust SP if calling sp-depressed function.
6971 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
6972 If sp-depressed, ensure block saves and restores SP.
6973 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
6975 * function.c (keep_stack_depressed): New function.
6976 (thread_prologue_and_epilogue_insns): Call it.
6977 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
6978 to print DECL_OFFSET_ALIGN.
6979 Print no-force-blk and transparent-union flags properly.
6980 * stmt.c (expand_goto_internal): Don't restore stack if last block
6981 and function returns with sp depressed.
6982 (fixup_gotos): Likewise.
6983 (save_stack_pointer): New function, from code in expand_decl.
6984 (expand_decl): Call new function.
6985 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
6986 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
6987 (save_stack_pointer): New declaration.
6989 * diagnostic.c (fatal_function): New variable.
6990 (set_fatal_function): New function.
6992 * diagnostic.h (set_fatal_function): New declaration.
6994 2000-08-15 William Cohen <wcohen@redhat.com>
6996 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
6997 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
6998 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
7000 2000-08-15 Richard Henderson <rth@cygnus.com>
7002 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
7004 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7006 * arm.c (arm_function_ok_for_sibcall): New function.
7007 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
7008 * arm.md (call expanders): Don't check here for calls that can't
7011 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7013 * arm.md (splits generating cond_exec): Disable.
7015 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7017 * arm/linux-elf.h (text_section): Delete declaration.
7019 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7021 ARM support for unordered FP operations.
7022 * arm-protos.h (arm_comparison_operator): Declare.
7023 * arm.c (arm_comparison_operator): New function.
7024 (arm_select_cc_mode): Add unordered comparison codes.
7025 (get_arm_condition_code): Likewise.
7026 (arm_final_prescan_insn): Can't handle unordered jumps that can't
7027 be done in one insn.
7028 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
7029 * arm.md (all uses of comparison_operator): Replace with
7030 arm_comparison_operator.
7031 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
7033 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
7036 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7038 * gthr-posix.h: Conditionally include <sched.h>; include
7039 <config.h> from libobjc/.
7041 2000-08-14 Richard Henderson <rth@cygnus.com>
7043 * config/i386/i386.c (legitimize_pic_address): Use Pmode
7046 2000-08-14 Richard Henderson <rth@cygnus.com>
7048 * configure.in (ia64-*): Set float_format for i386 long double.
7050 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
7051 as we would for i386 XFmode.
7052 (PUT_REAL): Likewise.
7053 (endian, ereal_atof, real_value_truncate): Likewise.
7054 (ereal_isneg, toe64, etens, make_nan): Likewise.
7055 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
7057 * config/ia64/ia64-protos.h: Update.
7058 * config/ia64/ia64.c (general_tfmode_operand): New.
7059 (destination_tfmode_operand): New.
7060 (tfreg_or_fp01_operand): New.
7061 (ia64_split_timode): New.
7062 (spill_tfmode_operand): New.
7063 (ia64_expand_prologue): Use TFmode not XFmode.
7064 (ia64_expand_epilogue): Likewise.
7065 (ia64_function_arg): Likewise.
7066 (ia64_function_arg_advance): Likewise.
7067 (ia64_return_in_memory): Likewise.
7068 (ia64_function_value): Likewise.
7069 (ia64_print_operand): Likewise.
7070 (ia64_register_move_cost): Set GR<->FR to 5.
7071 (ia64_secondary_reload_class): Get GR for TImode memory op.
7072 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
7073 (ROUND_TYPE_ALIGN): Remove.
7074 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
7075 (INTEL_EXTENDED_IEEE_FORMAT): Define.
7076 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
7077 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
7078 (MODES_TIEABLE_P): Use TFmode, not XFmode.
7079 (CLASS_MAX_NREGS): Likewise.
7080 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
7081 (PREDICATE_CODES): Update.
7082 * config/ia64/ia64.md (movti): New.
7083 (movti_internal): Use a clobber for memory alternatives.
7084 (reload_inti, reload_outti): New.
7085 (movsfcc_astep): Predicate properly.
7086 (movdfcc_astep): Likewise.
7089 (extendsftf2, extenddftf2): New.
7090 (trunctfsf2, trunctfdf2): New.
7091 (floatditf2, fix_trunctfdi2): New.
7092 (floatunsditf2, fixuns_trunctfdi2): New.
7093 (addtf3, subtf3, multf3, abstf2): New.
7094 (negtf2, nabstf2, mintf3, maxtf3): New.
7095 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
7097 (fr_spill): Use TFmode, not XFmode.
7098 (fr_restore): Likewise.
7099 * config/ia64/lib1funcs.asm (__divtf3): New.
7100 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
7102 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7104 * cse.c (fold_rtx): Avoid empty body in an if-statement.
7106 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
7107 `U' integer constant suffix.
7109 * dwarf2out.c (add_subscript_info): Avoid empty body in an
7112 * sparc/sol2.h (__enable_execute_stack): Prototype.
7114 2000-08-14 David Edelsohn <edelsohn@gnu.org>
7116 * collect2.c: Remove use of AIX import file.
7118 * longlong.h: Test ARCH_PWR not ARCH_POWER.
7120 * rs6000.c (print_operand, case 'E'): Add else.
7122 2000-08-14 Richard Henderson <rth@cygnus.com>
7124 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
7125 (movdi_symbolic): New.
7127 2000-08-14 Jim Wilson <wilson@cygnus.com>
7129 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
7130 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
7131 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
7134 2000-08-14 Richard Henderson <rth@cygnus.com>
7136 * expr.c (emit_group_load): Don't force constants into registers.
7137 Special case source already in the correct mode.
7139 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
7141 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
7142 * fixinc/inclhack.def: Likewise.
7143 * fixinc/mkfixinc.sh: Likewise.
7144 * configure: Regenerate.
7145 * fixinc/fixincl.x: Regenerate.
7146 * install.texi: Document equivalence of linux and linux-gnu.
7148 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7150 * cse.c (insert_regs): Also in REG case: When finding an invalid
7151 value, and we make a new quantity, make sure that it won't be
7152 mistaken by for a valid one by mention_regs.
7154 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
7156 * h8300.md: Remove obsolete peepholes.
7158 2000-08-13 Kazu Hirata <kazu@hxi.com>
7160 * invoke.texi (H8/300 Options): Fix typos.
7161 * config/h8300.c: Fix formatting.
7162 * config/h8300.h: Fix comment typos.
7163 (OVERRIDE_OPTIONS): Fix formatting.
7165 * function.c: Fix formatting.
7167 * cse.c: Fix formatting.
7169 2000-08-13 Geoff Keating <geoffk@cygnus.com>
7171 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
7172 (attempt_auto_inc): Suppress parentheses warning.
7173 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
7174 * loop.c (load_mems): Remove `u' suffix in two places.
7175 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
7177 * config/rs6000/rs6000.h: Likewise.
7178 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
7179 __eabi dummy routine.
7180 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
7183 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
7184 not put stuff in .sdata unnecessarily.
7185 (rs6000_unique_section): New function.
7186 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
7187 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
7189 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
7190 arrays in C99. Don't try to look at DECL_REGISTER of a
7191 COMPONENT_REF. Don't complain twice about the same error.
7193 * fixinc/inclhack.def (aix_pthread): New fix.
7194 (aix_sysmachine): New fix.
7195 * fixinc/fixincl.x: Regenerate.
7197 * expr.c (expand_expr): Call convert_modes when turning a large
7198 multiply into a small one.
7200 2000-08-12 Geoff Keating <geoffk@cygnus.com>
7202 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
7203 the tree structure an exponent rather than an explicit alignment
7204 so it doesn't overflow.
7205 (SET_DECL_OFFSET_ALIGN): New macro.
7206 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
7207 rather than DECL_OFFSET_ALIGN.
7208 (place_field): Likewise.
7209 * expmed.c (store_bit_field): Abort on align==0 to avoid
7210 antisocial machine behaviour.
7212 2000-08-12 Richard Henderson <rth@cygnus.com>
7214 * sibcall.c (uses_addressof): Accept both addressof and
7215 current_function_internal_arg_pointer inside a mem.
7216 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
7217 if current_function_uses_addressof.
7218 * stmt.c (expand_return): Kill tail recursion and HAVE_return
7221 2000-08-11 Richard Henderson <rth@cygnus.com>
7223 * config/ia64/ia64.md (addsi3): Remove expander.
7224 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
7225 (*addsi3_shladd): New.
7227 2000-08-11 Richard Henderson <rth@cygnus.com>
7229 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
7230 (do_restore): Likewise.
7231 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
7232 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
7233 (rtx_needs_barrier): Track actual bit manipulation for
7234 ar.unat moves, gr_spill, and gr_restore.
7235 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
7236 (process_set): Don't handle varargs spills.
7237 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
7238 .mem.offset here instead of in process_set.
7239 (gr_restore): Likewise.
7241 2000-08-11 Richard Henderson <rth@cygnus.com>
7243 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
7245 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
7247 * gcc.texi (The Configuration File): Document
7248 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
7249 UPDATE_PATH_HOST_CANONICALIZATION.
7251 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7253 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
7254 unprototyped function pointer casts on integer constants.
7256 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
7258 * fixproto: Recognize DOS paths with drive letters as absolute paths.
7260 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
7262 * extend.texi (Volatiles): Fix typos.
7264 2000-08-11 Kazu Hirata <kazu@hxi.com>
7266 * flow.c: Fix formatting.
7268 2000-08-11 Richard Henderson <rth@cygnus.com>
7270 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
7271 pattern, always allocate a tertiary scratch register.
7273 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
7274 (reload_inhi): Likewise.
7276 2000-08-11 Richard Henderson <rth@cygnus.com>
7278 * function.c (put_reg_into_stack): Allow type to be NULL.
7279 (schedule_fixup_var_refs): Likewise.
7280 (gen_mem_addressof): Allow decl to be NULL.
7281 (put_addressof_into_stack): Likewise.
7283 * flow.c (merge_blocks_nomove): Be more careful about
7284 locating the beginning of block A.
7286 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
7288 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7293 * config.in: Reverted the check for <sched.h>.
7295 2000-08-10 Chris Demetriou <cgd@sibyte.com>
7297 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
7298 macros define the name of CTOR and DTOR sections.
7299 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7300 DTOR_LIST_END): Change to use attributes to specify
7302 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
7303 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7304 DTOR_LIST_END): Same as in mips/elf.h.
7306 2000-08-10 Drew Moseley <dmoseley@redhat.com>
7308 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
7309 disabling just crt0.o.
7311 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
7313 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
7314 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
7315 (EXTRA_SPECS): Add them.
7316 * arm/lib1funcs.asm: Support builds for interworking.
7317 Use macros to eliminate duplicated pieces of code.
7319 2000-08-10 Kazu Hirata <kazu@hxi.com>
7321 * h8300.c (expand_a_rotate): New.
7322 (emit_a_rotate): Likewise.
7323 (h8300_adjust_insn_length): Add support for the rotate insns.
7324 * h8300.md (rotlqi3): New.
7325 (*rotlqi3_1): Likewise.
7326 (rotlhi3): Likewise.
7327 (*rotlhi3_1): Likewise.
7328 (rotlhi3): Likewise.
7329 (*rotlhi3_1): Likewise.
7330 * h8300-proto.h: Add prototypes for expand_a_rotate and
7333 * h8300.c: Fix comment typos.
7334 (dosize): Declare the variable amount as unsigned.
7335 (get_shift_alg): Fix a comparison between signed and unsigned.
7336 (emit_a_shift): Likewise.
7337 (h8300_adjust_insn_length): Simplify the code.
7339 * c-decl.c: Fix formatting.
7341 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7343 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
7344 warning about non-traditional numeric constant suffixes.
7346 * cppexp.c (parse_number): Likewise.
7348 * invoke.texi: (-Wtraditional): Document new behavior.
7350 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7352 * gthr-posix.h: Include auto-host.h. Conditionally include
7354 * configure.in: Check for the <sched.h> header file.
7355 * config.in: Added define for HAVE_SCHED_H.
7357 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7359 * c-typeck.c (process_init_element): For -Wtraditional, warn about
7360 initialization of unions.
7362 * invoke.texi (-Wtraditional): Document new behavior.
7364 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
7366 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
7367 instead of extra_c_flags.
7368 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
7369 * configure: Regenerate.
7370 * config.in: Regenerate.
7372 * cpperror.c (cpp_type2name): New function.
7373 * cpplex.c (lex_line): If we issued an error for an invalid
7374 preprocessing directive, discard that logical line.
7375 * cpplib.c (do_line): Call a hook function if the current file
7376 is renamed by #line.
7377 (do_ident): Pass the contents of the string, not the entire
7378 token, to the callback function.
7379 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
7380 (cb.rename_file): New hook function.
7381 (cb.ident): Adjust prototype.
7382 (cpp_type2name): Prototype.
7383 * cppmacro.c (dump_macro_args): Correct precedence lossage.
7385 * cppmain.c (cb_ident): Update for changed interface.
7386 (cb_rename_file): New function.
7387 (main): Set rename callback.
7389 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
7391 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
7392 multi-word registers.
7394 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7396 * c-common.c (combine_strings, check_format_info): Refer to ISO C
7397 or ISO C89 instead of ANSI C.
7398 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
7399 build_enumerator, do_case): Likewise.
7400 * c-lex.c (parse_float, yylex): Likewise.
7401 * c-parse.in: Likewise.
7402 * c-typeck.c (common_type, build_array_ref, build_binary_op,
7403 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
7404 build_c_cast, convert_for_assignment, set_init_index,
7405 set_init_label, c_expand_start_case): Likewise.
7406 * toplev.c (documented_lang_options, display_help): Likewise.
7408 2000-08-08 Kazu Hirata <kazu@hxi.com>
7410 * h8300.c: Fix formatting.
7411 * h8300.h: Likewise.
7412 * h8300.md: Likewise.
7413 (movsi_h8300hs): Fix formatting of the resulting assembly code.
7415 * reload1.c: Fix formatting.
7417 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
7419 * alpha/alpha.c (alpha_emit_xfloating_libcall):
7420 Use GEN_CALL_VALUE define.
7421 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
7422 * clipper/clipper.md (untyped_call): Likewise.
7423 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
7424 * fx80/fx80.md (untyped_call): Likewise.
7425 * mips/mips.md (untyped_call): Likewise.
7426 * ns32k/ns32k.md (untyped_call): Likewise.
7427 * pa/pa.md (untyped_call): Likewise.
7428 * romp/romp.md (untyped_call): Likewise.
7429 * sparc/sparc.md (untyped_call): Likewise.
7431 2000-08-08 Jason Eckhardt <jle@cygnus.com>
7433 * config/i860/i860.c (singlemove_string): Do not generate assembler
7434 pseudo instructions that must be expanded (that is, with signed
7435 constants larger than 16 bits).
7437 2000-08-08 Richard Henderson <rth@cygnus.com>
7439 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
7440 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
7441 (init_propagate_block_info): Don't kill memory stores at -O0.
7442 (mark_set_1, mark_used_regs): Likewise.
7444 2000-08-08 David Edelsohn <edelsohn@gnu.org>
7446 * rs6000.c (optimization_options): Decorate 'level' as
7448 (mask64_operand): Remove sign-extend thinko.
7449 (rldic_operand): New function.
7450 (load_multiple_operation): regno's are unsigned ints.
7451 (store_multiple_operation): Likewise.
7452 (lmw_operation): Likewise.
7453 (stmw_operation): Likewise.
7454 (includes_lshift_p): shift_mask is unsigned int.
7455 (includes_lshift64_p): New function.
7456 (addrs_ok_for_quad_peep): unsigned int reg1.
7457 (print_operand): Consistently add "else" after
7458 output_operand_lossage().
7459 (print_operand, case 'b'): Fold in case 'W'.
7460 (print_operand, case 'W'): Print rldic MB value.
7461 (output_epilogue): Update Objective-C language string.
7462 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
7463 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
7464 * rs6000.md (ashldi3): Add rldic instruction.
7465 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
7466 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
7469 2000-08-08 Richard Henderson <rth@cygnus.com>
7471 * config/ia64/ia64-protos.h: Remove duplicates. Update
7472 for massive code rearrangements.
7473 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
7474 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
7475 (ia64_local_regs, ia64_need_regstk): Remove.
7476 (ar_ccv_reg_operand): New.
7477 (ia64_gp_save_reg): New.
7478 (struct ia64_frame_info): Combine most of the size elements;
7479 add new gr save elements.
7480 (find_gr_spill): New.
7481 (next_scratch_gr_reg): New.
7482 (mark_reg_gr_used_mask): New.
7483 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
7484 to GR backing store regs when possible.
7485 (ia64_initial_elimination_offset): New.
7486 (ia64_rap_fp_offset): Remove.
7487 (save_restore_insns): Remove.
7488 (setup_spill_pointers): New.
7489 (finish_spill_pointers): New.
7490 (spill_restore_mem): New.
7491 (do_spill, do_restore): New.
7492 (ia64_expand_prologue): Rewrite to use them.
7493 (ia64_expand_epilogue): Likewise.
7494 (ia64_direct_return): Update for current_frame_info changes.
7495 (ia64_function_prologue): Simplify .prologue emission. Emit
7497 (ia64_setup_incoming_varargs): Don't ever emit rtl.
7498 (ia64_dbx_register_number): New.
7499 (ia64_initialize_trampoline): New.
7500 (ia64_secondary_reload_class): Request GR_REGS for integer
7501 arithmetic destined for FR_REGS.
7502 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
7503 (ia64_mark_machine_status): Mark ia64_gp_save.
7504 (rws_access_regno): Rename from rws_access_reg; don't treat
7505 predicates specially.
7506 (rws_access_reg): New. Update all callers.
7507 (rtx_needs_barrier): Remove dead unspecs.
7508 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
7509 (ia64_encode_section_info): Silence signed/unsigned warnings.
7510 (spill_offset, sp_offset, spill_offset_emitted): Remove.
7511 (tmp_reg, tmp_saved): Remove.
7512 (process_set): Rewrite to expect complicated bits via
7513 REG_FRAME_RELATED_EXPR.
7514 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
7515 in the use of ar.ccv; never set RTX_UNCHANGING_P.
7516 (ia64_expand_op_and_fetch): Likewise.
7517 (ia64_expand_compare_and_swap): Likewise.
7518 (ia64_expand_builtin): Likewise.
7519 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
7520 (FIRST_PSEUDO_REGISTER): Update.
7521 (AR_M_REGNO_P): Update.
7522 (FIXED_REGS): Don't mark three local registers as used.
7523 (EXTRA_CC_MODES): New.
7524 (SELECT_CC_MODE): New.
7525 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
7526 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
7527 (FRAME_GROWS_DOWNWARD): Unset.
7528 (STARTING_FRAME_OFFSET): Zero.
7529 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
7530 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
7531 (HARD_FRAME_POINTER_REGNUM): New.
7532 (CAN_DEBUG_WITHOUT_FP): Define.
7533 (TRAMPOLINE_TEMPLATE): Remove.
7534 (TRAMPOLINE_SIZE): Lower to 32.
7535 (TRAMPOLINE_ALIGNMENT): Lower to 64.
7536 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
7537 (PREDICATE_CODES): Update.
7538 (struct machine_function): Add ia64_gp_save.
7539 * config/ia64/ia64.md: Purge unused unspecs.
7540 (movsi patterns): Allow moves to/from AR_M_REGS.
7541 (movdi patterns): Allow moves to/from p0.
7542 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7543 (gr_spill, gr_restore): Indicate ar.unat read/written.
7544 (nonlocal_goto): Don't pass old frame_pointer.
7545 (nonlocal_goto_receiver): Remove.
7546 (exception_receiver): New.
7547 (builtin_setjmp_setup): New.
7548 (builtin_setjmp_receiver): New.
7549 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7550 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7551 (__ia64_restore_stack_nonlocal): Likewise.
7552 (__ia64_trampoline): New.
7553 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7555 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7557 2000-08-08 Richard Henderson <rth@cygnus.com>
7559 * frame.h (ia64_frame_state): Add my_psp.
7560 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7561 (__throw): Pass it in. Don't clobber r7.
7562 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7563 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7564 and nothing to do with sp.
7565 (normalize_reg_loc): Use frame->my_psp.
7566 (frame_translate): Handle frame-pointer-less functions. Set
7567 spill_base correctly, in absence of being told.
7568 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7569 (__ia64_backtrace_helper): New sp argument. Use
7570 builtin_return_address instead of label addresses.
7571 (print_record) [mem_stack_v]: No size member.
7573 2000-08-08 Richard Henderson <rth@cygnus.com>
7575 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7577 2000-08-08 Richard Henderson <rth@cygnus.com>
7579 * tm.texi (LOCAL_REGNO): Document.
7580 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7581 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7582 * reload1.c (reload): Likewise when considering nonlocal labels.
7584 * config/ia64/ia64.h (LOCAL_REGNO): New.
7585 * config/sparc/sparc.h (LOCAL_REGNO): New.
7587 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7589 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7591 2000-08-07 Nick Clifton <nickc@redhat.com>
7593 * config/mips/mips.c: Fix compile time warning messages.
7594 * config/mips/mips-protos.h: Add prototype for equality_op.
7596 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7598 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7600 * mn10300.md: Use nonimmediate_operand instead of general_operand
7603 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7605 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7607 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7608 * sh.c (expand_block_move): Break long lines.
7609 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7610 * sh.md (mulsi3): Likewise.
7611 (movdi): Adjust spacing.
7613 2000-08-07 Richard Henderson <rth@cygnus.com>
7615 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7616 * expr.c (emit_group_store): Don't set it.
7618 2000-08-07 Kazu Hirata <kazu@hxi.com>
7620 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7621 duplicate entries for 'w' and 'z'.
7623 * flow.c: Fix a comment typo.
7625 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7627 * c-parse.in: Changed the language string for Objective-C to "GNU
7630 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7632 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7633 to improve the Posix thread support for Objective-C.
7635 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7637 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7638 CTI_UNSIGNED_PTRDIFF_TYPE.
7639 (signed_size_type_node): Define.
7640 (unsigned_ptrdiff_type_node): Define.
7641 * c-decl.c (init_decl_processing): Create the
7642 signed_size_type_node and unsigned_ptrdiff_type_node types.
7643 * c-common.c (T_SC): Define.
7646 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7647 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7649 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7650 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7651 flags for %c, %s and %[.
7652 (check_format_info): Only allow leniency for signedness of targets
7653 of character pointers (when pedantic) for formats flagged with
7654 "c", so for strings but not for %hh formats. When pedantic, don't
7655 allow character pointers to substitute for void pointers if a
7656 second level of indirection is present.
7658 2000-08-06 Kazu Hirata <kazu@hxi.com>
7660 * invoke.texi (Options for Debugging Your Program or GCC): Update
7661 the names of dump files.
7663 * h8300.c (dosize): Rearrange code for conciseness.
7664 (split_adds_subs): Likewise.
7666 * loop.c: Fix formatting.
7668 * dwarf2out.c: Fix formatting.
7670 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7672 * expr.c: Fix formatting.
7674 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7676 * rs6000.c (rs6000_maybe_dead): Prototype.
7678 2000-08-06 Richard Henderson <rth@cygnus.com>
7680 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7681 HAVE_nonlocal_goto as well.
7682 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7683 * config/pj/pj.md (nonlocal_goto): Likewise.
7685 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7687 * loop.c (try_swap_copy_prop): New function.
7688 (load_mems): Rename copies to load_copies and add new regset
7689 store_copies. Check for sets of shadow registers and mark
7690 in store_copies. Call try_swap_copy_prop for registers
7691 marked in store_copies.
7693 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7695 * objc/objc-act.c: New command line option -fconstant-string-class
7696 to allow specifying a user defined constant string class,
7697 different from NXConstantString.
7699 * toplev.c: Moved the Objective-C specific options to
7700 objc/lang-options.h.
7702 * objc/lang-options.h: Moved the Objective-C specific options from
7703 toplev.c. Added -fconstant-string-class.
7705 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7707 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7708 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7709 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7710 avoid extra alignment imposed on arrays.
7711 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7712 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7714 * mips.h: Clean up comments and spacing near MASKs.
7715 (TARGET_UNIX_ASM): Delete.
7716 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7717 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7720 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7722 * c-common.c (print_char_table): Add entries for the X/Open '
7723 format flag (print decimals with locale's thousands grouping
7724 character). Make %C expect wint_t.
7725 (check_format_info): If pedantic, warn when the %n$ operand
7726 number form is used. Allow for the ' flag; warn about it if
7729 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7731 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7732 type is a float mode, cfun->decl's return type is not, and
7733 TARGET_FLOAT_RETURNS_IN_80387.
7735 2000-08-04 Andreas Schwab <schwab@suse.de>
7737 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7738 token list, which are always `#' and `pragma'.
7740 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7742 * tree.c (tree_expr_nonnegative_p): Move to...
7743 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7744 (rtl_expr_nonnegative_p): New.
7745 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7747 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7748 CONST_DOUBLE_CHAIN: Move to...
7749 * rtl.h: ...here. Use XCINT/XCEXP.
7751 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7752 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7753 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7756 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7758 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7760 * config/c4x/c4x.md (return_indirect_internal): New.
7761 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7763 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7765 * c-common.c (time_char_table): Mark up formats added in C99 and
7766 make other corrections. %D and %g were added in C99. %Og is an
7767 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7768 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7769 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7770 %h was added in C99. %C was added in C99. %OY and %OC are
7771 extensions. Add the C99 format %F.
7772 (check_format_info): If pedantic and not in C99 mode, warn for C99
7775 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7777 * function.c (schedule_fixup_var_refs): New function, broken out
7778 of put_reg_into_stack.
7779 (put_reg_into_stack): Use it.
7780 (put_var_into_stack): In CONCAT case, fixup up references for
7781 components only after fixing up references to the whole concat.
7783 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7785 * alias.c (mark_constant_function): Use INSN_P.
7786 (init_alias_analysis): Likewise.
7787 * combine.c (combine_instructions): Use INSN_P.
7788 (can_combine_p): Likewise.
7789 (try_combine): Likewise.
7790 (distribute_notes): Likewise.
7791 (distribute_links): Likewise.
7792 * cse.c (cse_around_loop): Use INSN_P.
7793 (invalidate_skipped_block): Likewise.
7794 (cse_set_around_loop): Likewise.
7795 (cse_end_of_basic_block): Likewise.
7796 (delete_trivially_dead_insns): Likewise.
7797 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7798 (unshare_all_rtl_1): Likewise.
7799 (next_cc0_user): Likewise.
7800 (try_split make_insn_raw): Likewise.
7801 (remove_unnecessary_notes): Likewise.
7802 * final.c (shorten_branches): Use INSN_P.
7803 (leaf_renumber_regs): Likewise.
7804 (leaf_renumber_regs_insn): Likewise.
7805 * flow.c (find_label_refs): Use INSN_P.
7806 (verify_wide_reg): Likewise.
7807 (notice_stack_pointer_modification): Likewise.
7808 (count_or_remove_death_notes): Likewise.
7809 (verify_flow_info): Likewise.
7810 (clear_log_links): Likewise.
7811 * function.c (fixup_var_refs_insns): Use INSN_P.
7812 (compute_insns_for_mem): Likewise.
7813 * gcse.c (alloc_gcse_mem): Use INSN_P.
7814 (compute_sets): Likewise.
7815 (compute_hash_table): Likewise.
7816 (classic_gcse): Likewise.
7818 (insert_insn_end_bb): Likewise.
7819 (delete_null_pointer_checks_1): Likewise.
7820 * global.c (expand_preferences): Use INSN_P.
7821 (build_insn_chain): Likewise.
7822 * graph.c (node_data): Use INSN_P.
7823 * haifa-sched.c (priority): Use INSN_P.
7824 (rm_line_notes): Likewise.
7825 (rm_other_notes): Likewise.
7826 (find_insn_reg_weight): Likewise.
7827 (init_target_units): Likewise.
7828 (schedule_block): Likewise.
7829 (compute_block_forward_dependences): Likewise.
7830 (debug_dependencies): Likewise.
7831 (set_priorities): Likewise.
7832 * integrate.c (function_cannot_inline_p): Use INSN_P.
7833 (save_parm_insns): Likewise.
7834 (copy_insn_list): Likewise.
7835 * jump.c (mark_all_labels): Use INSN_P.
7836 (never_reached_warning): Likewise.
7837 * lcm.c (optimize_mode_switching): Use INSN_P.
7838 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7839 (memref_used_between_p): Likewise.
7840 (update_equiv_regs): Likewise.
7841 (block_alloc): Likewise.
7842 (no_conflict_p): Likewise.
7843 * loop.c (scan_loop): Use INSN_P.
7844 (find_and_verify_loops): Likewise.
7845 (count_loop_regs_set): Likewise.
7846 (loop_reg_used_before_p): Likewise.
7847 (strength_reduce): Likewise.
7848 (recombine_givs): Likewise.
7849 (check_dbra_loop): Likewise.
7850 (load_mems): Likewise.
7851 (try_copy_prop): Likewise.
7852 * print-rtl.c (print_rtx): Use INSN_P.
7853 * recog.c (find_single_use): Use INSN_P.
7854 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7855 (next_flags_user): Likewise.
7856 (swap_rtx_condition): Likewise.
7857 * regmove.c (mark_flags_life_zones): Use INSN_P.
7858 (optimize_reg_copy_1): Likewise.
7859 (optimize_reg_copy_2): Likewise.
7860 (optimize_reg_copy_3): Likewise.
7861 (reg_is_remote_constant_p): Likewise.
7862 (fixup_match_2): Likewise.
7863 (regmove_optimize): Likewise.
7864 (fixup_match_1): Likewise.
7865 * regrename.c (build_def_use): Use INSN_P.
7866 (replace_reg_in_block): Likewise.
7867 (consider_use): Likewise.
7868 * reload.c (find_equiv_reg): Use INSN_P.
7869 * reload1.c (reload): Use INSN_P.
7870 (maybe_fix_stack_asms): Likewise.
7871 (calculate_needs_all_insns): Likewise.
7872 (reload_as_needed): Likewise.
7873 (emit_output_reload_insns): Likewise.
7874 (delete_address_reloads_1): Likewise.
7875 (reload_cse_regs_1): Likewise.
7876 (reload_combine): Likewise.
7877 (reload_cse_move2add): Likewise.
7878 * reorg.c (redundant_insn): Use INSN_P.
7879 (dbr_schedule): Likewise.
7880 * resource.c (find_dead_or_set_registers): Use INSN_P.
7881 (mark_target_live_regs): Likewise.
7882 * rtlanal.c (reg_used_between_p): Use INSN_P.
7883 (reg_referenced_between_p): Likewise.
7884 (reg_set_between_p): Likewise.
7885 (reg_set_p): Likewise.
7886 (single_set): Likewise.
7887 (multiple_sets): Likewise.
7888 (find_last_value): Likewise.
7889 (reg_set_last): Likewise.
7890 (find_reg_note): Likewise.
7891 (find_regno_note): Likewise.
7892 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7893 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7894 * ssa.c (find_evaluations): Use INSN_P.
7895 (rename_block): Likewise.
7896 (rename_equivalent_regs): Likewise.
7897 * unroll.c (loop_find_equiv_value): Use INSN_P.
7898 (set_dominates_use): Likewise.
7899 * varasm.c (mark_constant_pool): Use INSN_P.
7900 (mark_constants): Likewise.
7901 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7902 (alphaev4_next_group): Likewise.
7903 (alphaev5_next_group): Likewise.
7904 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7905 (c4x_rptb_rpts_p): Likewise.
7906 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7907 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7908 (rs6000_adjust_priority): Likewise.
7909 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7910 (machine_dependent_reorg): Likewise.
7911 (split_branches): Likewise.
7912 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7914 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7916 * combine.c (recog_for_combine): Remove the old notes
7917 prior to attempting to recognize the new pattern.
7918 (distribute_notes): Ignore REG_NONNEG notes.
7920 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7922 * varasm.c (output_constructor): Add .align 0 for packed vars.
7924 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7926 * configure.in: Use default thread_file even when enable_threads is
7927 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7928 * configure: Rebuilt.
7930 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7932 2000-08-04 Donn Terry (donnte@microsoft.com)
7934 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7936 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7938 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7939 Delete code that conditionally modifies 'version'.
7940 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7941 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7942 * gcc.c (main): Use it.
7943 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7944 * prefix.c (update_path): Use it.
7945 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7946 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7947 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7949 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7950 (SUBTARGET_SWITCHES): Adjust.
7951 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7953 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7955 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7957 * c-common.h (flag_isoc94): Declare.
7958 * c-decl.c (flag_isoc94): Define.
7959 (c_decode_option): Set flag_isoc94 as appropriate.
7960 * c-common.c (T_PD, T_IM, T_UIM): Define.
7961 (format_char_info): Add tlen and jlen.
7962 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
7964 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
7966 (time_char_table): Add NULL entries for %t and %j.
7967 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
7968 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
7969 Warn for printf %lf if pedantic and not C99. Don't warn for empty
7970 precision. Allow precision argument to be unsigned int. If
7971 pedantic, warn for %p passed an argument not a pointer to possibly
7972 qualified void or a possibly qualified character type, and for
7973 pointer targets of the wrong sign, except for character pointers.
7975 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7977 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
7978 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
7979 (wint_type_node): Define.
7980 * c-decl.c (WINT_TYPE): Define.
7981 (init_decl_processing): Create the wint_type_node type.
7982 * c-common.c (T_WI): Define.
7983 (print_char_table): Use T_WI for %lc format.
7985 2000-08-04 Bruce Korb <bkorb@gnu.org>
7987 * fixinc/: Verified that the MSDOS patch does not break
7988 the UNIX functionality and applied the next three patches
7991 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
7993 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
7994 output file with the temporary one by appending ".X" to generate
7995 the temporary fuile's name. If the output file already has an
7996 extension, replace it with ".X".
7998 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
7999 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
8000 reallocate the command buffer while copying the command-line
8001 argument. Redirect the output directly to the temporary file,
8002 instead of going through another temporary file.
8003 (process): Close the temporary file before unlinking it.
8004 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
8005 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
8006 (run_compiles): Pass p_fixd argument to machine_matches, as it
8009 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
8010 environment, assume there are no symlinks in the include
8011 directory. When cleaning up the DONE files, look for them
8012 case-insensitively. Don't try to remove symlinks if they aren't
8015 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
8016 all callers changed. Declare pz "const char *", to avoid compiler
8019 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
8020 Change prototype of make_raw_shell_str.
8022 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
8024 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
8025 (initialize) [__MSDOS__]: Use tempnam.
8026 (initialize): Don't use SIGPIPE if it is not defined.
8028 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
8031 2000-07-25 Bruce Korb <bkorb@gnu.org>
8033 * fixinc/fix*.[ch]: substantially reworked to make it possible
8034 to run this program without using fork(2) or pipe(2) (i.e. in
8037 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8039 * cppdefault.h (WINT_TYPE): Define.
8040 * cppinit.c (builtin_array): Define __WINT_TYPE__.
8041 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
8042 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
8044 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
8046 * (mips_legitimate_address_p): Don't allow register+offset
8047 if the offset is large and negative, and we are compiling
8048 for 64 bit registers.
8050 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8052 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
8053 insn_code_number + 1.
8055 2000-08-04 Kazu Hirata <kazu@hxi.com>
8057 * h8300.c (function_prologue): Rearrange code for conciseness.
8058 (function_epilogue): Likewise.
8059 * h8300.h (OK_FOR_U): Fix formatting.
8061 * cse.c: Fix a comment typo. Fix formatting.
8063 2000-08-03 Richard Henderson <rth@cygnus.com>
8065 * config/i386/i386.md (return_indirect_internal): New.
8066 * config/i386/i386.c (ix86_expand_epilogue): Use it.
8068 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
8070 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
8072 (lex_line): Glue @ onto the beginning of identifiers and
8073 string constants, in Objective-C mode.
8074 (output_token, spell_token): Handle CPP_OSTRING.
8075 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
8076 beginning of a NAME or a STRING, in objc mode.
8078 * cpplib.c (get_define_node): Do not permit identifiers that
8079 begin with @ to be #defined.
8080 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
8081 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
8083 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
8084 * c-tree.h (build_objc_string): Delete prototype.
8085 * objc/objc-tree.def: Delete OBJC_STRING_CST.
8086 * c-lex.c (yylex): Use build_string for all three kinds of strings.
8088 * c-parse.in, objc/objc-act.c: Update commentary.
8090 2000-08-03 Mark Mitchell <mark@codesourcery.com>
8092 * extend.texi: Fix typo in last change.
8094 * extend.texi: Add commentary on statement-expressions and their
8095 interactions with C++.
8097 2000-08-03 Nick Clifton <nickc@cygnus.com>
8099 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
8100 * dwarf.h (LANG_JAVA): Change value to 0x000b.
8102 2000-08-03 Anthony Green <green@cygnus.com>
8104 * dwarf2out.c (gen_compile_unit_die): Add java language support.
8105 (add_bound_info): Check for java language.
8106 (is_java): New function.
8107 * dwarfout.c (output_compile_unit_die): Ditto.
8108 * dwarf.h (dwarf_source_language): Add java source language type.
8109 * dwarf2.h (dwarf_source_language): Ditto.
8111 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8113 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
8116 * i386.c (ix86_expand_branch): Mode of comparison in
8117 IF_THEN_ELSE is VOIDmode.
8119 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
8121 * gengenrtl.c, rtl.c: Avoid #elif.
8123 2000-08-03 Michael Poole <poole@troilus.org>
8125 * tm.texi (Register Classes): Clarify order of sub-initializers
8126 in REG_CLASS_CONTENTS.
8128 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8130 From SAITOH Masanobu:
8131 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
8133 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
8135 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
8136 is not supported by tradcpp and isn't actually needed for cygwin.
8138 2000-08-03 Kazu Hirata <kazu@hxi.com>
8140 * h8300.c: Fix a comment typo.
8141 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
8143 * jump.c: Fix formatting.
8145 * toplev.c: Fix formatting.
8147 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
8149 * flow.c (find_auto_inc): Verify that we've got a REG before
8150 peeking at its regno. Fail, don't abort if we can't find
8151 the increment of the desired register.
8153 * pa.md (shadd height reduction patterns/splitters): Remove.
8155 2000-08-02 Jim Wilson <wilson@cygnus.com>
8157 * config/ia64/ia64-protos.h (flag_ssa): Declare.
8158 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
8160 2000-08-02 Mark Mitchell <mark@codesourcery.com>
8162 * dce.c: Remove all uses of assert.
8163 * dwarf2out.c: Likewise.
8164 * dwarfout.c: Likewise.
8167 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8169 * gcc.h (lang_specific_driver): Constify second argument.
8170 * gcc.c (translate_options, process_command, main): Likewise.
8171 Constify variables to match. Cast second argument to
8174 * cppspec.c, gccspec.c: Adjust type of second argument to
8175 lang_specific_driver, and update code as necessary.
8177 2000-08-02 Jakub Jelinek <jakub@redhat.com>
8179 * loop.c (scan_loop): Ensure update_end label does not
8180 go away until reg_scan_update is run.
8182 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8184 * c-common.h: Prototype min_precision and c_build_qualified_type here...
8185 * c-tree.h: ... not here.
8186 * errors.h: Prototype fancy_abort.
8188 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
8189 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
8190 * regrename.c (regrename_optimize): Make control flow explicit.
8191 (replace_reg_in_block): Initialize reg_use to 0.
8193 * i386.c (legitimate_address_p): Rename error label to
8194 report_error to avoid namespace clash.
8196 2000-08-02 Kazu Hirata <kazu@hxi.com>
8198 * fold-const.c: Fix formatting.
8200 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
8202 * i386.c (legitimate_address_p): Accept other bases than
8203 pic_offset_table_rtx for GOTOFF constructs.
8205 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8207 * i386.md (shift to lea splitter): Use const_int_operand.
8209 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8211 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
8212 cppspec.c: Do not use 'legal' or 'illegal' in error messages
8215 * cppmain.c (cb_define, cb_undef): Don't generate any output
8216 if not done_initializing.
8217 * cpplex.c (maybe_paste_with_next): When the token after a ##
8218 is an omitted rest argument, only delete the token before it
8219 if that token is a comma. Do not warn about bogus token
8220 pastes for , ## rest_arg.
8223 * cpp.1: Regenerate.
8225 2000-08-02 Fred Fish <fnf@be.com>
8227 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
8228 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
8231 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
8232 Be directories to search path.
8234 Remove support for __declspec(dllimport) and __declspec(dllexport).
8235 This is leftover cruft from the earlier BeOS gcc port when BeOS
8236 used Microsoft's PE object file format.
8237 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
8238 * config/i386/t-beos (winnt.o): Remove Makefile frag.
8239 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
8240 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
8241 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8242 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
8243 (REDO_SECTION_INFO_P): Remove.
8244 (ASM_EXPORT_DECL): Remove.
8245 (ASM_DECLARE_FUNCTION_NAME): Remove.
8246 (ASM_DECLARE_OBJECT_NAME): Remove.
8247 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
8248 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
8249 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
8250 (STRIP_NAME_ENCODING): Remove.
8252 Remove support for obsolete version of BeOS that is no longer
8254 * configure.in (i*86-*-beospe*): Remove.
8255 * config/i386/beos-pe.h: Remove.
8257 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
8258 Mark Mitchell <mark@codesourcery.com>
8260 * Makefile.in (OBJS): Added dce.o.
8261 (ssa.o): Updated target to include ssa.h.
8263 (toplev.o): Likewise.
8264 (dce.o): Created target.
8265 * basic-block.h: Added comments.
8266 (INVALID_BLOCK): Added definition.
8267 (connect_infinite_loops_to_exit): Added declaration.
8268 Moved SSA declarations to ssa.h.
8269 * flow.c: Added inclusion of ssa.h.
8270 (struct depth_first_search_dsS, depth_first_search_ds):
8272 (compute_immediate_postdominators): Added definition.
8273 (connect_infinite_loops_to_exit): Likewise.
8274 (flow_dfs_compute_reverse_init): Likewise.
8275 (flow_dfs_compute_reverse_add_bb): Likewise.
8276 (flow_dfs_compute_reverse_execute): Likewise.
8277 (flow_dfs_compute_reverse_finish): Likewise.
8278 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
8279 (LABEL_P): Added definition.
8282 (BARRIER_P): Likewise.
8283 (JUMP_TABLE_DATA_P): Likewise.
8284 (INSN_DEAD_CODE_P): Likewise.
8285 * ssa.c: Replaced inclusions with ssa.h inclusion.
8286 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
8287 (rename_registers): Removed unnecessary variables.
8288 * ssa.h: Created by moving declarations from ssa.c and
8290 * timevar.def: Defined TV_DEAD_CODE_ELIM.
8291 * toplev.c: Added ssa.h inclusion.
8292 (dump_file_index): Added DFI_dce.
8293 (dump_file): Added "dce" entry.
8295 (f_options): Added dce entry.
8296 * invoke.texi: Document -fdce. Emphasize experimental status of
8300 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
8302 * cpperror.c (v_message): Split into _cpp_begin_message and
8303 v_message macro. All callers updated.
8304 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
8307 * cppfiles.c (cpp_syshdr_flags): New function.
8308 (read_include_file): Don't call cpp_output_tokens. Call
8310 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
8311 (cpp_reader_init): Don't initialize token_buffer. Call
8312 _cpp_init_internal_pragmas.
8313 (cpp_cleanup): Don't clear token_buffer.
8314 (cpp_start_read): Don't worry about output from -D processing.
8315 Don't call cpp_output_tokens.
8316 (cpp_finish): Don't dump macros here. Don't call
8318 * cppmacro.c (_cpp_dump_definition): Rename
8319 cpp_dump_definition. Write directly to a FILE *.
8320 (dump_funlike_macro): Delete.
8321 (dump_macro_args): New.
8323 * cpplex.c (TOKEN_LEN): Convert to inline function.
8324 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
8325 cpp_scan_line, _cpp_dump_list): Delete.
8326 (cpp_printf, cpp_output_list): New.
8327 (output_line_command): Don't worry about entering or leaving files.
8328 (cpp_scan_buffer): Just output each token as we hit it.
8329 (process_directive): Don't call cpp_output_tokens.
8330 (_cpp_glue_header_name): Don't use token_buffer.
8331 (output_token, dump_param_spelling): Write directly to a FILE *.
8333 * cpplib.c (pass_thru_directive, dump_macro_name,
8334 pragma_dispatch, do_pragma_gcc): Delete.
8335 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
8336 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
8338 (do_error, do_warning, pragma_dependency): Call
8339 _cpp_begin_message, then cpp_output_list.
8340 (cpp_register_pragma, cpp_register_pragma_space,
8341 _cpp_init_internal_pragmas): New.
8342 (do_pragma): Walk the pragmas table here.
8343 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
8344 do_pragma_dependency): Return void.
8345 (do_pragma_implementation): Moved to cppmain.c.
8347 * cpplib.h: Update prototypes.
8348 (struct cpp_reader): Remove printer, token_buffer,
8349 token_buffer_size, and limit. Add struct cb, and pragmas.
8350 (struct cpp_printer): Remove last_id and written.
8351 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
8352 CPP_ADJUST_WRITTEN): Delete.
8353 * cpphash.h: Update prototypes.
8354 (ufputs): New wrapper.
8356 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
8357 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
8358 (main): Set up callbacks. Register #pragma implementation.
8359 Dump macros from here.
8361 2000-08-01 Geoff Keating <geoffk@cygnus.com>
8363 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
8364 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
8365 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
8366 insns if they have a REG_MAYBE_DEAD note attached.
8367 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
8368 (rs6000_emit_load_toc_table): TOC loads may go dead.
8370 2000-08-01 Jim Wilson <wilson@cygnus.com>
8372 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
8373 type exists before using it. Use number of words as alignment
8375 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
8376 ia64_va_arg): Propagate ia64_function_args changes here.
8378 2000-08-01 Richard Henderson <rth@cygnus.com>
8380 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
8381 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8383 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
8385 From Joern Rennecke:
8386 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
8387 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
8388 unless TARGET_SH3E is set.
8389 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
8391 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
8392 (ashlsi3_std): New pattern.
8393 (ashlsi3 expander): Use it for TARGET_SH3.
8394 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
8396 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8398 * loop.c (canonicalize_condition): Use destination, not source to
8399 determine SET's mode.
8401 2000-07-31 Mark Mitchell <mark@codesourcery.com>
8403 * flow.c (clear_log_links): Fix typo.
8405 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
8407 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
8408 on targets which need more than one insn for a compare/cbranch
8411 2000-07-31 Jim Wilson <wilson@cygnus.com>
8413 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
8414 when computing offset.
8416 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
8418 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
8420 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8422 * flow.c (clear_log_links): Nuke global_live_at_start and
8423 global_live_at_end data, since if the log_links stuff is invalid
8424 so is global_live_at_*.
8426 2000-07-31 Richard Henderson <rth@cygnus.com>
8428 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
8430 2000-07-31 Jakub Jelinek <jakub@redhat.com>
8432 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
8433 (_cpp_get_token): Don't macro expand a just pasted token if it
8434 was pasted at no_expand_level.
8436 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8438 * cppmacro.c (find_param, count_params, save_expansion):
8439 Permit 'defined' as a macro parameter name.
8441 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8443 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
8444 xcpp to cpp throughout.
8445 (native): Remove unnecessary dependency on cpp.
8447 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
8448 tradcpp to tradcpp0.
8449 (.i spec): Add missing output-file spec to cc1 command line.
8450 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
8452 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8454 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
8455 (implicit_decl_warning): New function.
8456 (implicitly_declare): Use it.
8457 * c-typeck.c (build_external_ref): Use implicit_decl_warning
8458 to complain about implicit decls of builtins.
8460 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
8461 based on pedantic && flag_isoc99, if not already set.
8462 * c-tree.h: Declare mesg_implicit_function_declaration.
8463 Prototype implicit_decl_warning.
8465 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
8467 * Makefile.in (ssa.o): Updated header files in dependences.
8468 * basic-block.h: Added compute_immediate_postdominators declaration.
8469 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
8471 * flow.c (compute_immediate_dominators): Updated comment.
8472 (compute_immediate_postdominators): Added definition.
8473 * rtl.h (HARD_REGISTER_P): Added definition.
8474 * ssa.c: Include additional header files.
8475 (assert): Added definition.
8476 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
8477 include select hard registers.
8478 (ssa_rename_to_insert): Likewise.
8479 (ssa_rename_from_initialize): Likewise.
8480 (ssa_rename_from_lookup): Likewise.
8481 (original_register): Likewise.
8482 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
8483 include select hard reigsters.
8484 (ssa_rename_from_traverse): Likewise.
8485 (ssa_rename_from_free): Likewise.
8486 (ssa_rename_from_print): Likewise.
8487 (ssa_rename_from_print_1): Likewise.
8488 (ssa_rename_from_hash_function): Likewise.
8489 (ssa_rename_from_equal): Likewise.
8490 (ssa_rename_from_delete): Likewise.
8491 (simplify_to_immediate_dominators): Removed in favor of
8492 flow.c:compute_immediate_dominators.
8493 (find_evaluations_1): Modified to work with hard registers.
8494 (insert_phi_node): Likewise.
8495 (insert_phi_nodes): Likewise.
8496 (struct rename_set_data): Updated prev_reg comment.
8497 (create_delayed_rename): Modified to work with hard registers.
8498 (RENAME_NO_RTX): Updated comment.
8499 (apply_delayed_renames): Modified to work with hard registers.
8500 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
8501 (rename_block): Updated to use revised ssa_rename_to interface.
8502 (rename_registers): Updated to use revised ssa_rename_to and
8503 ssa_rename_from interface.
8504 (convert_to_ssa): Revised to use compute_immediate_dominators and
8505 deal with hard registers.
8506 (make_regs_equivalent_over_bad_edges): Modified to work with hard
8507 registers. Added check for illegal unification of hard register.
8508 (make_equivalent_phi_alternatives_equivalent): Modified to work
8509 with hard registers.
8510 (compute_conservative_reg_partition): Likewise.
8511 (coalesce_if_unconflicting): Modified to work with hard registers
8512 and check for conflicting hard registers.
8513 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
8515 (rename_equivalent_regs_in_insn): Modified to work with hard
8517 (record_canonical_element_1): Added definition.
8518 (check_hard_regs_in_partition): Added definition.
8519 (convert_from_ssa): Added data structure deallocation and check
8520 for illegal hard register unification.
8521 (conflict_hard_regs_p): Added definition.
8522 * toplev.c (rest_of_compilation): Added comment.
8524 2000-07-31 Anthony Green <green@redhat.com>
8526 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
8528 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
8530 * builtins.c (expand_builtin_apply): Don't defer pop during
8533 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8535 * calls.c (combine_pending_stack_adjustment_and_call): Only use
8536 preferred_unit_stack_boundary when it is > 1.
8538 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
8540 * c-common.c (init_function_format_info): Add C99 format functions
8543 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8544 void' or 'register void' as being the special case of 'void' alone
8545 in a parameter list.
8547 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8548 discarding qualifiers into a plain warning.
8550 2000-07-31 Kazu Hirata <kazu@hxi.com>
8552 * combine.c: Fix formatting.
8554 * h8300.md: Fix formatting.
8556 * local-alloc.c: Fix formatting.
8558 * h8300.c (get_shift_alg): Remove the variable alg.
8559 (emit_a_shift): Rearrange code to improve readability.
8561 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8563 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8564 HImode on all architectures and a combination of HImode and SImode
8565 on H8/300H and H8/S.
8567 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8569 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8571 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8574 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8576 * recog.c (extract_insn): Set operand_mode according to
8577 operand if match_operand is VOIDmode.
8579 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8581 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8583 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8585 * c-parse.in (extdefs): Call ggc_collect between external
8588 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8589 Richard Henderson <rth@cygnus.com>
8591 * Makefile.in (OBJS): Add doloop.o.
8592 * doloop.c: New file.
8594 * final.c (insn_current_reference_address): Return 0 before final.
8595 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8596 * jump.c (any_uncondjump_p): Likewise.
8597 * loop.c (indirect_jump_in_function): Make static.
8598 (strength_reduce): Call doloop_optimize.
8599 (insert_bct, instrument_loop_bct): Remove.
8600 * loop.h (doloop_optimize): Prototype.
8601 * recog.c (split_all_insns): Split all INSN_P.
8602 * toplev.c (flag_branch_on_count_reg): Default on.
8604 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8605 flag_branch_on_count_reg.
8606 * config/i386/i386.c (override_options): Likewise.
8607 * config/rs6000/rs6000.c (optimization_options): Likewise.
8609 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8611 (dbra_ge): Remove, as well as all it's splitters.
8613 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8616 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8617 (ia64_register_move_cost): Declare.
8618 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8619 (struct ia64_frame_info): Add ar_size.
8620 (ia64_compute_frame_size): Set it.
8621 (save_restore_insns): Save and restore ar.lc.
8622 (ia64_register_move_cost): New, moved from header file. Handle
8623 application registers.
8624 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8625 (emit_insn_group_barriers): Special case doloop_end_internal.
8626 (ia64_epilogue_uses): Mark ar.lc live at end.
8627 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8628 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8629 (FIRST_PSEUDO_REGISTER): Make room.
8630 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8631 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8632 (REG_ALLOC_ORDER): Update.
8633 (HARD_REGNO_MODE_OK): Update.
8634 (REGISTER_NAMES): Update.
8635 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8636 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8637 (REGNO_REG_CLASS): Update.
8638 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8639 (REGISTER_MOVE_COST): Move out of line.
8640 (PREDICATE_CODES): Update.
8641 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8642 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8643 (shladd_elim splitter): Allow constants in the predicate.
8644 (doloop_end, doloop_end_internal): New.
8646 2000-07-30 Richard Henderson <rth@cygnus.com>
8648 * genattrtab.c (struct insn_def): Add lineno member.
8649 (struct insn_ent): Likewise.
8650 (struct attr_desc): Likewise.
8651 (struct delay_desc): Likewise.
8652 (struct function_unit_op): Likewise.
8653 (struct function_unit): Likewise.
8654 (check_attr_value): Use message_with_line.
8655 (check_defs): Likewise.
8656 (expand_units): Likewise.
8657 (check_attr_test): Take a lineno argument.
8658 (gen_attr): Likewise.
8659 (gen_insn): Likewise.
8660 (gen_delay): Likewise.
8661 (gen_unit): Likewise.
8662 (main): Give it to them.
8663 (convert_set_attr_alternative): Take an insn_def argument
8664 instead of num_alt and insn_index.
8665 (convert_set_attr): Likewise.
8666 (write_test_expr): Protect INSN_ADDRESSES load
8667 with INSN_ADDRESSES_SET_P.
8669 2000-07-30 Richard Henderson <rth@cygnus.com>
8671 * flow.c (init_propagate_block_info): Use pc_set.
8673 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8675 * i386.md (*lea_general_[123]) New insns and splits.
8676 (addsi3 to lea splitter): Handle other modes too.
8677 (shlsi3 to lea splitter): Likewise.
8678 (addhi_1_lea, shlhi_1_lea): New patterns.
8679 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8681 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8683 * recog.c (general_operand, nonimmediate_operand): Accept
8684 any mode for VOIDmode CONSTANT_P operands.
8686 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8688 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8689 instead of replace_rtx.
8690 * recog.c (validate_replace_rtx_subexp): New function.
8691 * recog.h (validate_replace_rtx_subexp): Declare.
8693 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8695 * combine.c (simplify_set, make_extraction, make_compound_operation
8696 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8697 as force_to_mode argument.
8699 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8701 * combine.c (if_then_else_cond): Be sure that mode fits in
8704 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8706 * combine.c (record_promoted_value): Allow bitsize of mode
8707 to be equivalent to HOST_BITS_PER_WISE_INT.
8709 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8711 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8712 Do not call gen_mode_alignment when mode is BLKmode.
8714 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8716 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8718 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8720 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8721 VOIDmode implies both operands to be VOIDmode.
8722 (simplify_ternary_operation): Compute properly the mode of comparison.
8723 * combine.c (combine_simplify_rtx): Likewise.
8725 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8727 * basic-block.h (struct loops): New field rc_order.
8728 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8729 (flow_loops_free): Free rc_order.
8730 (flow_depth_first_order_compute): New parameter rc_order.
8731 (flow_loops_find): Allocate rc_order and swap usage with
8734 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8735 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8737 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8738 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8739 (nodb_call, return_from_epilogue): Likewise.
8740 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8741 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8742 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8743 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8744 (c4x_valid_type_attribute_p): Likewise.
8745 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8746 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8748 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8750 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8751 and loadhi_big_constant if applicable.
8752 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8753 and add new splitter.s
8755 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8757 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8759 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8761 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8763 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8765 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8767 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8769 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8771 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8773 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8774 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8775 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8776 (get_prev_bb_note): Likewise.
8777 (remove_scope_notes): Likewise.
8778 * flow.c (commit_one_edge_insertion): Likewise.
8779 (merge_blocks_nomove): Likewise.
8780 (verify_flow_info): Likewise.
8781 * gcse.c (insert_insn_end_bb): Likewise.
8782 * reg-stack.c (emit_swap_insn): Likewise.
8783 * ssa.c (first_insn_after_basic_block_note): New function.
8784 (insert_phi_node): Use it.
8785 (rename_block): Likewise.
8786 (eliminate_phi): Likewise.
8787 (make_regs_equivalent_over_bad_edges): Likewise.
8788 (make_equivalent_phi_alternatives_equivalent): Likewise.
8789 (for_each_successor_phi): Likewise.
8790 (convert_from_ssa): Modify phi-node deletion algorithm.
8792 2000-07-29 Andreas Jaeger <aj@suse.de>
8794 * configure.in (mips*-*-linux*): Use mips*el to check for little
8795 endian MIPS, add tmake_file.
8797 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8798 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8799 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8801 2000-07-28 Richard Henderson <rth@cygnus.com>
8803 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8804 Sign extend mode size before negating.
8806 2000-07-28 Richard Henderson <rth@cygnus.com>
8808 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8810 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8812 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8813 (cse_insn): Likewise.
8814 (addr_affects_sp_p): Likewise.
8815 * expr.c (move_by_pieces): Likewise.
8816 (clear_by_pieces): Likewise.
8817 * gcse.c (oprs_unchanged_p): Likewise.
8818 * haifa-sched.c (sched_analyze_2): Likewise.
8819 * recog.c (offsettable_address_p): Likewise.
8820 * regclass.c (record_address_regs): Likewise.
8821 * reload.c (find_reusable_reload): Likewise.
8822 (push_reload): Likewise.
8823 (operands_match_p): Likewise.
8824 (decompose): Likewise.
8825 (find_reloads_address_1): Likewise.
8826 (find_inc_amount): Likewise.
8827 * reload1.c (elimination_effects): Likewise.
8828 * resource.c (mark_set_resources): Likewise.
8829 * flow.c (attempt_auto_inc): New function; mostly broken out
8831 (find_auto_inc): Split into two functions and enhanced to
8832 generate POST_MODIFY.
8833 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8834 * rtl.h (count_all_occurrences): Declare.
8835 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8837 * rtlanal.c (count_all_occurrences): New function.
8838 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8839 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8841 * config/ia64/ia64-protos.h (destination_operand): Declare.
8842 * config/ia64/ia64.c (destination_operand): New function.
8843 (ia64_print_operand): Handle POST_MODIFY.
8844 (rtx_needs_barrier): Likewise.
8845 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8846 (HAVE_POST_MODIFY_REG): Define to 1.
8847 (MAX_REGS_PER_ADDRESS): Change to 2.
8848 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8849 (LEGITIMATE_ADDRESS_REG): New helper macro.
8850 (LEGITIMATE_ADDRESS_DISP): Likewise.
8851 (PREDICATE_CODES): Add entry for destination_operand.
8852 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8853 predicate for operand 0.
8855 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8857 * dwarf2out.c: Indent #error directive.
8859 * gbl-ctors.h: Fix typo in comment.
8860 (__do_global_ctors): Prototype.
8862 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8864 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8865 (print_operand): Initialize variable `t'.
8867 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8869 * config/arm/arm.md ("call_value"): removed constraints.
8870 Constraints are ignored in expanders.
8871 (*call_value_reg): split =rf into various constraints.
8872 (*call_value_mem): same
8873 (*call_value_symbol): same
8874 (*sibcall_value_insn): same
8876 2000-07-28 Philipp Thomas <pthomas@suse.de>
8878 * install.texi (--enable-nls): Change the description of the NLS
8879 related configure options to match the current state.
8880 (--with-included-gettext): Likewise.
8881 (--enable-maintainer-mode): New description added.
8882 * extend.texi (-fstrict-prototype): Add missing '.'.
8884 2000-07-27 Jim Wilson <wilson@cygnus.com>
8886 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8887 DECL_INITIAL (decl) == NULL_TREE.
8889 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8891 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8892 on insn-attr.h with it.
8893 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8894 * insn-addr.h: New header.
8895 (insn_addresses_): Renamed from insn_addresses.
8896 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8897 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8898 INSN_ADDRESSES_NEW): New macros.
8899 * genattrtab.c (write_test_expr): Use new macros.
8900 * final.c (insn_addresses, init_insn_lengths): Likewise.
8901 (align_fuzz, shorten_branches): Likewise.
8902 (final): Likewise. Do not reject new insns if their addresses
8903 have been added to INSN_ADDRESSES.
8904 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8905 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8906 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8907 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8908 * config/sh/sh.c: Likewise.
8909 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8911 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8913 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8915 * gcc.c (struct prefix_list): Add member priority.
8916 (enum path_prefix_priority): Declare.
8917 (add_prefix): Replace ``first'' with ``priority''. Append new
8918 entry but keep list in priority order.
8919 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8920 PREFIX_PRIORITY_LAST to add_prefix.
8921 (process_command): Move include kludge - foo/stageN - to before
8924 2000-07-27 Jason Merrill <jason@redhat.com>
8926 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8927 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8929 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8931 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8932 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8934 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8936 * c-decl.c (finish_function): Don't treat 'main' specially unless
8937 flag_hosted. In C99 mode, return 0 from 'main' unless
8938 DEFAULT_MAIN_RETURN is otherwise defined.
8940 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8941 parameters defaulting to int in an old-style function definition.
8943 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8945 * c-parse.in (string): For -Wtraditional, warn about string
8946 concatenation only once per line.
8948 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8950 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8951 for HI-UX/WE2 systems.
8953 2000-07-24 Bruce Korb <bkorb@gnu.org>
8955 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
8956 defining the __xxx_TYPE__ macros.
8957 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
8958 * fixincl/fixlib.h: don't need to include "tm.h" anymore
8959 * fixincl/inclhack.def(type_map): now obsolete
8961 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
8963 * cpp.texi: Append a trailing full-stop to xrefs where needed.
8965 2000-07-26 Dave Pitts <dpitts@cozx.com>
8967 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
8969 (mvs_hash_alias): New function.
8970 (mvs_add_alias): Change argument spacing.
8971 (mvs_need_alias): Change aliasing criteria. Added documentation.
8972 (mvs_get_alias): Change to use hashed name. The hashed name prevents
8973 CSECT name collisions.
8974 (mvs_check_alias): Likewise.
8975 (handle_pragma): Change documentation.
8976 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
8977 mode from SImode to DImode.
8978 (iorhi3): Changed LTORG size for insn.
8980 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
8982 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
8983 mem if the address is a mode_dependent_address_p.
8985 2000-07-26 Kazu Hirata <kazu@hxi.com>
8987 * h8300.c (print_operand): Print ":8" when the 'R' operand is
8988 suitable for 8-bit absolute.
8989 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
8990 (OK_FOR_U): Add a case for the 8-bit constant address on the
8993 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
8995 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
8996 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
8997 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
8998 lack of implemented alignment.
9000 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
9002 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
9003 cross-compiling between 64-bit and 32-bit machines.
9005 2000-07-27 Richard Henderson <rth@cygnus.com>
9007 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
9008 (movhicc_astep, movhi_internal_astep): New.
9009 (movsicc_astep, movsi_internal_astep): New.
9010 (movdicc_astep, movdi_internal_astep): New.
9011 (movsfcc_astep, movsf_internal_astep): New.
9012 (movdfcc_astep, movdf_internal_astep): New.
9013 (movxfcc_astep, movxf_internal_astep): New.
9014 (cmovdi_internal_astep, cmovsi_internal_astep): New.
9015 Unify the cmov[ds]i splitters.
9017 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
9019 * real.c (asctoeg): Rename `error' label to unexpected_char_error
9021 2000-07-26 Nick Clifton <nickc@cygnus.com>
9023 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
9024 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
9026 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
9027 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
9029 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
9031 * c-decl.c (finish_enum): Convert enumerations that fit in an
9033 (build_enumerator): In pedantic mode, cast to `int' those that
9036 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
9038 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
9040 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9042 * sh.md (cmpgtdi_t): Must be split.
9043 (cmpgtdi_t+1): New splitter.
9045 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
9047 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
9048 warnings for indented directives even if we are skipping.
9050 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
9052 * invoke.texi (strict-prototypes): Remove.
9053 * extend.texi (Deprecated Features): Add strict-prototypes.
9054 (Backwards Compatibility): New node.
9056 2000-07-25 Jakub Jelinek <jakub@redhat.com>
9058 * config/i386/i386.md (andsi_1+1): Allow HImode.
9059 (andsi_1+2): Require q_regs_operand.
9061 2000-07-25 Jakub Jelinek <jakub@redhat.com>
9063 * config/i386/i386.md (call_pop): Check operands[0],
9064 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
9066 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
9067 (call_value): Likewise.
9069 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
9071 * toplev.c (pipe_closed): Delete.
9072 (crash_signal): New. Generate ICE for a fatal signal.
9073 (float_signal): Call crash_signal outside a float-handler
9075 (main): Install crash_signal as handler for core-dumping signals.
9077 2000-07-25 David Edelsohn <edelsohn@gnu.org>
9079 * rs6000.c (print_operand, case 'T'): New case.
9081 * rs6000.md (call_indirect_aix32): Convert to expander of
9082 scheduled instructions.
9083 (call_indirect_aix64): Likewise.
9084 (call_value_indirect_aix{32,64}): Likewise.
9085 (call, call_value): Invoke expanders for AIX. Fall through to
9087 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
9088 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
9089 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
9090 only "g" constraint.
9091 (call_nonlocal_aix64): Likewise.
9092 (call_value_nonlocal_aix{32,64}): Likewise.
9093 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
9095 (call_value_nonlocal_sysv): New pattern.
9096 (indirect_jump{si,di}): Use new 'T' modifier.
9097 (tablejump{si,di} matchers): Likewise.
9098 (return_internal_{si,di}): Likewise.
9099 (return_eh_{si,di}): Likewise.
9101 2000-07-24 Richard Henderson <rth@cygnus.com>
9103 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
9104 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
9105 * config/ia64/ia64.md (movdi_internal): Use it.
9107 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
9109 * cppexp.c: Warn about unary + if -Wtraditional.
9110 * cpplex.c (lex_line): Always set BOL on the first token of a line.
9112 2000-07-24 Michael Meissner <meissner@redhat.com>
9114 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
9117 2000-07-24 Nick Clifton <nickc@cygnus.com>
9119 * config/arm/arm.c (emit_multi_reg_push): Generate a
9120 REG_FRAME_RELEATED_NOTE that is compatable with the code in
9121 dwarf2out_debug_frame_expr.
9123 2000-07-24 Jason Merrill <jason@redhat.com>
9125 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
9126 UNALIGNED_INT_ASM_OP.
9127 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
9128 a location expression.
9129 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
9130 assume indirect access if we're saving the CFA address exactly.
9132 * Makefile.in (bootstrap): Move -BstageN/ to the end.
9134 2000-07-24 Jakub Jelinek <jakub@redhat.com>
9136 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
9139 2000-07-24 Michael Meissner <meissner@redhat.com>
9141 * invoke.texi (D30V Options): Add d30v options.
9143 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
9145 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
9146 needed by our gcse pass anymore.
9147 (free_pre_mem): Corresponding changes.
9148 (compute_pre_data): Do not call compute_transpout anymore.
9150 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
9151 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
9154 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
9155 (compute_pre_data): Do it here instead.
9157 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
9159 (pre_delete): Corresponding changes.
9161 2000-07-23 Mark Mitchell <mark@codesourcery.com>
9163 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
9164 to figure out whether or not a variable has already been emitted.
9166 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
9168 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
9169 instead of gen_call.
9171 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
9173 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
9175 2000-07-23 Kazu Hirata <kazu@hxi.com>
9177 * h8300.c: Fix formatting.
9179 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
9181 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
9182 for `long' switch expression into a plain warning.
9184 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
9185 (yylex): Don't pedwarn for "inline" in C99 mode.
9187 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
9189 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
9190 ggc_alloc): Likewise.
9191 * bb-reorder.c (dump_scope_forest_1): Likewise.
9193 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
9195 * reload.c (find_reloads_toplev): Add new parameter
9197 (find_reloads): Add new parameter to find_reloads_toplev calls.
9199 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
9201 * collect2.c (main): Typo fixed.
9202 * diagnostic.c: Typo fixed.
9203 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
9204 * eh-common.h: Typo fixed.
9205 * emit-rtl.c (start_sequence): Typo fixed.
9206 * flow.c (find_label_refs): Typo fixed.
9207 (calculate_global_regs_live): Typo fixed.
9208 (mark_regno_cond_dead): Typo fixed.
9209 (create_edge_list): Typos fixed.
9210 (verify_edge_list): Typo fixed.
9211 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
9212 * loop.c (strength_reduce): Typo in function name fixed.
9213 * rtl.h: Added comments. Typo in function name fixed.
9214 * rtlanal.c: Typo in function name fixed.
9215 (insn_dependant_p): Rename to ...
9216 (insn_dependent_p): ... this.
9217 (computed_jumo_p): Typo fixed.
9219 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9221 * system.h (__FUNCTION__): Wrap definition in #ifndef.
9223 2000-07-21 David Edelsohn <edelsohn@gnu.org>
9225 * rs6000.h (SIZE_TYPE): Define.
9227 2000-07-21 Mark Mitchell <mark@codesourcery.com>
9229 * ssa.c (rename_insn_1): Don't rename registers that are
9232 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
9234 * diagnostic.c (trim_filename, fancy_abort): Moved here from
9236 (fatal_function, set_fatal_function): Removed.
9237 (fatal): Don't prepare for or call the fatal_function.
9238 (diagnostic_lock, error_recursion): New.
9239 (diagnostic_for_decl, report_diagnostic): Guard against
9240 re-entering the error reporting routines.
9241 (fancy_abort): Assume function is not NULL.
9243 * errors.c (fancy_abort): New. Assume function is not NULL.
9244 * tradcpp.c (fancy_abort): Assume function is not NULL.
9246 * system.h: Provide default definition of __FUNCTION__.
9247 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
9248 Always use __FUNCTION__ in definition of abort.
9250 * varray.h: Likewise.
9251 * toplev.h: Likewise. Don't prototype set_fatal_function.
9253 2000-07-20 Geoff Keating <geoffk@cygnus.com>
9255 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
9257 * glimits.h: Don't do #if defined for ARCH_PPC.
9259 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
9260 constants of size no larger than a pointer should go in the TOC.
9261 Add 'MODE' parameter.
9262 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
9263 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
9264 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
9265 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
9266 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
9267 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
9268 (rs6000_legitimize_address): Likewise.
9269 (rs6000_emit_move): Likewise.
9270 (rs6000_select_rtx_section): Likewise.
9271 (output_toc): Deal properly with outputting small constants like
9272 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
9273 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
9274 MODE parameter. Put small constants in the TOC.
9276 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
9278 (rs6000_emit_move): When reload calls us with an illegitimate
9279 address, exit early. Move the change_address calls to one place
9280 at the end of the routine. Merge the SImode and DImode expanders.
9281 When called by reload to put an integer into a FP register, force
9284 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
9286 (rs6000_hash_constant): Hash mode too.
9287 (toc_hash_function): Allow for key_mode.
9288 (toc_hash_eq): Structures are different if key_mode differs.
9289 (output_toc): Add 'mode' parameter. Save key_mode.
9290 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
9291 Pass 'mode' parameter.
9292 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
9294 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
9295 for vtable references.
9297 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
9298 choice, don't put integer values in FP regs.
9300 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
9302 * flow.c (verify_flow_info): Revamp code to verify that the
9303 head and end of each basic block are in the insn chain.
9305 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
9307 * gcse.c (record_one_set): Prepend instead of append onto
9308 reg_set_table, making it O(n) instead O(n^2).
9309 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
9310 Use a queue instead of a stack as worklist.
9312 2000-07-20 Kazu Hirata <kazu@hxi.com>
9314 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
9315 * h8300.h (OK_FOR_T): New.
9316 (EXTRA_CONSTRAINT): Support OK_FOR_T.
9317 * h8300.md: Use inc/dec.[wl] for increment/decrement
9318 by 1 and 2 in HI and SI modes.
9320 2000-07-20 Jim Wilson <wilson@cygnus.com>
9322 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
9323 larger than 14 bits.
9325 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
9327 * cppmacro.c (CAN_PASTE_AFTER): New macro.
9328 (count_params): Don't set GNU_REST_ARGS on anything.
9329 (save_expansion): Set PASTE_LEFT only on tokens for which
9330 CAN_PASTE_AFTER is true, or which are named operators.
9332 * cpplex.c (parse_args): Distinguish between a rest argument
9333 given one empty argument, and a rest argument given zero arguments.
9334 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
9335 deletion of previous token based on that.
9336 (get_raw_token): Flatten some control structure.
9338 * cpplib.h (CPP_LAST_EQ): Correct.
9339 (VOID_REST): New token flag.
9340 (GNU_REST_ARGS): Delete.
9342 * tradcpp.c (main): Don't munge -D options.
9343 (make_definition): Bring -D handling in line with cpplib.
9344 (do_define): Strip all leading whitespace from macro definitions.
9346 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
9348 * Makefile.in (tradcpp): Depend on intl.o and version.o.
9350 2000-07-20 Bruce Korb <bkorb@gnu.org>
9352 * fixincl/check.tpl: strip the platform specific types before testing
9353 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
9354 * fixincl/fixincl.tpl: use platform specific types
9355 * fixincl/fixlib.h: include the platform specific types
9356 * fixincl/inclhack.def(gnu_types): don't supply the types
9357 * fixincl/fixincl.x: regen
9359 2000-07-19 Jim Wilson <wilson@cygnus.com>
9361 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
9364 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9366 * tradcpp.c (rescan): Do not recognize directives when the #
9369 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9371 Implement C++ named operators.
9373 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
9374 of operators allowed in #if and having an _EQ variant. Add
9375 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
9376 (cpp_token flags): Add NAMED_OP.
9377 (enum node_type): Add T_OPERATOR.
9378 (struct cpp_hashnode): Add code slot to value union.
9379 * cpphash.h (spec_nodes): Remove n_defined.
9381 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
9382 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
9383 (is_macro_disabled): Tweak error messages.
9385 * cpplib.c (get_define_node): Disallow all named operators as
9386 macro names. Tweak error messages.
9387 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
9389 * cppinit.c (builtin_array): Add entries for the named operators.
9390 * cppexp.c (lex): Check for CPP_DEFINED token.
9391 (priority table): Add entries for CPP_MIN and CPP_MAX.
9392 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
9394 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
9396 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
9397 larger than the array of cuids.
9398 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
9401 2000-07-19 Bruce Korb <bkorb@gnu.org>
9403 * fixinc/fixincl.c: Convert to using a table of environment variables
9404 and activate the auto-edit marker on the fixed output files.
9405 * fixinc/fixlib.h: Define the environment table
9406 * fixinc/fixincl.sh: export the ${INPUT} dir
9407 * fixinc/check.tpl: likewise
9409 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9411 * gcc.c (.h spec): Fix typo.
9413 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
9415 * Makefile.in: Fix tradcif.c path.
9417 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9419 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
9422 * cpphash.h (TOKEN_NAME): New macro.
9423 (_cpp_spell_operator): Deleted.
9424 (token_spellings): Now _cpp_token_spellings.
9426 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
9427 * cpplex.c: Use OP and TK macros when expanding the
9428 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
9429 store the stringification of the enumeration name (CPP_CHAR,
9430 etc.) in the name slot of token_spellings.
9431 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
9432 token_spellings directly.
9433 * cpplib.c: Use TOKEN_SPELL.
9435 * cpplex.c (_cpp_push_token): If the token being pushed back
9436 is the previous token in this context, just subtract one from
9438 * cppmacro.c (save_expansion): Clear aux field when storing a
9441 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9443 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
9444 buffer, provided it is not NULL.
9446 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
9448 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
9449 case of invalid volatile re-declaration.
9451 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9453 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
9454 (expand_call): Adjust caller.
9456 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
9458 * diagnostic.h (report_diagnostic): Change prototype.
9460 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
9461 diagnostic_for_decl): Change prototype.
9462 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
9463 error, warning, error_with_file_and_line,
9464 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
9465 Adjust call to report_diagnostic, diagnostic_for_decl.
9466 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
9467 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
9469 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
9470 varaible argument list.
9472 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9474 * cpphash.c: Don't include hashtab.h. Most macro-handling code
9475 moved to cppmacro.c.
9476 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
9477 dump_hash_helper): Delete.
9478 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
9479 cpp_forall_identifiers): New. Implement specialized version of
9480 Vlad's expandable hash table.
9481 (cpp_lookup): Use new functions.
9482 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
9484 * cppmacro.c: New file.
9485 * cppinit.c (dump_macros_helper): New.
9486 (cpp_finish): Iterate over the identifier table directly.
9487 * cpplex.c (parse_name): Calculate the hash of the identifier
9488 while we scan it. Use _cpp_lookup_with_hash when we can.
9490 * cpphash.h: Update prototypes.
9491 (xcnewvec, HASHSTEP): New helper macros.
9492 * cpplib.h: Update prototypes.
9493 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
9494 (cppmacro.o): New rule.
9495 (cpphash.o): Update deps.
9497 * cppmain.c: Do not set pfile->printer if no_output is on.
9499 2000-07-15 Neil Booth <neilb@earthling.net>
9501 * cpplib.c: Change all directive-handler functions to return
9503 * cpphash.h: Update typedefs.
9505 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9507 * configure: Regenerate.
9509 * extend.texi (Extended Asm): Mention that a memory clobber
9510 does not count as a side-effect.
9512 * unroll.c (copy_loop_body): Fix one instance of using host
9513 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
9516 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
9518 2000-07-17 Richard Henderson <rth@cygnus.com>
9520 * config/ia64/ia64.md (movdi): Split out load address code.
9521 New post-reload splitter for symbolic operands.
9522 (movdi_internal): Abort if we didn't split symbolic operands
9523 when we should have.
9524 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
9525 (ia64_reorg): Split insns when not optimizing.
9526 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
9528 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9530 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
9531 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
9533 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9535 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
9537 2000-07-17 Jason Merrill <jason@redhat.com>
9539 * Makefile.in (clean): Remove libgcc directory.
9541 * configure.in (-Wno-long-long check): Use higher-level macros.
9543 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9545 * simplify-rtx.c (simplify_binary_operation): Recognize
9546 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9547 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9548 a CONST_INT, it will always be zero.
9550 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9552 * loop.c (check_dbra_loop) : Return if more than one condition is
9553 present to control the loop.
9555 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9557 * mips.c (mips_expand_prologue): Don't calculate the last argument
9558 register unless we need it. When we are calculating this, make
9559 sure FUNCTION_ARG is giving us a REG.
9561 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9563 * flow.c (libcall_dead_p): Use single_set to verify the insn
9564 has only one set and get for analysis.
9565 (propagate_one_insn): Don't pass the PATTERN of the insn.
9567 2000-07-17 Mark Klein <mklein@dis.com>
9569 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9571 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9573 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9574 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9575 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9576 of second argument of getgroups.
9577 * configure, config.in: Rebuilt.
9579 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9581 * simplify-rtx.c (simplify_relational_operation): Two signed
9582 values with equal high words are less/greater than each other if
9583 their low words are less/greater when considered as unsigned.
9585 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9587 * configure.in (vax-*-openbsd): Change to new style configuration,
9588 add collect2/float_format information.
9589 * configure: Rebuilt.
9590 * config/vax/openbsd1.h: New.
9591 * config/vax/openbsd.h: New.
9592 * config/vax/t-openbsd: New.
9594 2000-07-17 Chip Salzenberg <chip@valinux.com>
9596 * c-common.c (shorten_compare): Quiet warnings about unsigned
9597 comparisons with zero when they occur in a system header.
9599 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9601 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9602 update to describe current practice.
9604 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9606 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9607 references to C9X. Change references to -fstd and -flang-isoc9x
9610 * c-common.c (scan_char_table): Allow "z" length modifiers on
9612 (check_format_info): Use TYPE_DOMAIN on the type matched against
9613 for "z" formats, to retrieve the language size_t rather than the
9616 * c-common.c (check_format_info): Do not make a pedantic objection
9617 to the 'L' length modifier if used with a floating point type
9620 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9621 constants in C99 mode.
9623 2000-07-17 Kazu Hirata <kazu@hxi.com>
9625 * h8300.md: Fix the format of mac.
9626 (movsi_h8300hs): Output a tab after stmac instead of a space.
9628 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9629 profitable adds/subs sequences.
9631 * fold-const.c: Fix comment typos.
9633 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9635 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9637 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9639 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9641 2000-07-16 Neil Booth <NeilB@earthling.net>
9643 * cpplex.c: Update comments.
9644 * README.Portability: Small update.
9646 2000-07-16 Neil Booth <NeilB@earthling.net>
9648 * README.Portability: Small update.
9650 2000-07-15 Richard Henderson <rth@cygnus.com>
9652 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9653 * config/ia64/ia64.c (ia64_move_ok): New function.
9654 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9655 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9657 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9659 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9660 immediately following a paste operator.
9661 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9662 (cpp_reader_init): Call it, if HOST_EBCDIC.
9663 (cpp_handle_options): Do not sort option list here.
9664 (handle_option): Rename to cpp_handle_option and export.
9665 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9666 _cpp_get_token directly.
9667 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9668 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9669 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9672 2000-07-15 Richard Henderson <rth@cygnus.com>
9674 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9675 cast around an expression. Tidy other unsigned tests.
9677 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9679 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9680 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9681 (v_message_with_decl): Rename to ...
9682 (format_with_decl): ... this. Tweak
9683 (diagnostic_for_decl): New function.
9684 (fatal_io_error): Use verbatim in lieu of notice.
9685 (announce_function): Use verbatim.
9686 (default_print_error_function): Likewise.
9687 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9690 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9692 * mips.c (function_arg_pass_by_reference): Don't do automatic
9693 aggregate initialization.
9694 (machine_dependent_reorg): Initialize variable `mode'.
9696 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9697 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9698 conflicts with sys/param.h macro of the same name.
9699 (reload_outdi): Likewise.
9701 2000-07-15 Michael Meissner <meissner@redhat.com>
9703 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9704 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9705 create a new node instead.
9707 2000-07-15 Neil Booth <NeilB@earthling.net>
9709 * README.Portability: Correct example about calling a function
9710 through a pointer to function. Format wide paragraphs.
9712 2000-07-15 Michael Meissner <meissner@redhat.com>
9714 * README.Portability: Update integer suffixes and function
9717 2000-07-15 Neil Booth <NeilB@earthling.net>
9719 * README.Portability: Small update.
9721 2000-07-15 Neil Booth <NeilB@earthling.net>
9723 * README.Portability: New file.
9725 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9727 * INSTALL: Give special instructions for building GCC on Irix 6.
9728 * config/mips/x-iris6 (CC): Don't set it.
9731 2000-07-14 Jason Merrill <jason@redhat.com>
9733 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9734 register in the stack and later in another register, use the new
9737 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9739 * config/mips/mips.md: (absdi2): Handle sign_extend for
9742 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9744 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9746 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9748 * .cvsignore: Correct typo.
9750 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9752 * .cvsignore: Add generated YACC files.
9753 * objc/.cvsignore: New file.
9755 2000-07-14 Neil Booth <NeilB@earthling.net>
9757 * cpplex.c (adjust_column): New funcion.
9758 (skip_whitespace): Use it.
9759 (skip_block_comment): Use it, and warn about /*/* with
9762 2000-07-14 Neil Booth <NeilB@earthling.net>
9764 * cpphash.c (struct macro_info): Add new members.
9765 (_cpp_free_definition): Delete the macro directly.
9766 (count_params): Return void, with first token of
9767 expansion in struct macro_info on success.
9768 (parse_define): Return int. Hoist syntax checking from
9769 save_macro_expansion. Leave call to save_expansion to
9770 _cpp_create_definition.
9771 (alloc_macro): Needs just 2 arguments.
9772 (free_macro): Delete.
9773 (save_expansion): Don't perform syntax check.
9774 (_cpp_create_definition): Call save_expansion.
9776 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9778 * genrecog.c (write_header): Split long string.
9780 * cpphash.c (macro_info): Don't use the `signed' keyword.
9782 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9784 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9786 * calls.c (stored_args_map): New variable.
9787 (check_sibcall_argument_overlap_1): New.
9788 (check_sibcall_argument_overlap): New.
9789 (expand_call): Initialize stored_args_map.
9790 Call check_sibcall_argument_overlap.
9792 2000-07-13 Bruce Korb <bkorb@gnu.org>
9794 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9795 (emit_gnu_type): utility procedure for gnu_type_fix
9796 (gnu_type_fix): implement various pre-processor guards around
9797 standard types so these types can be defined over and over
9798 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9799 types alluded to above will have GNU-compliant base types
9800 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9801 * fixinc/inclhack.def: add test_text entries and utilize the new
9802 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9803 * fixinc/fixincl.x: regenerate
9805 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9807 * diagnostic.c (vline_wrapper_message_with_location,
9808 v_message_with_file_and_line, v_error_with_file_and_file,
9809 v_error_for_asm, v_warning_for_asm, vfatal,
9810 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9811 vsorry, verror, vwarning, vpedwarn): Remove.
9812 (diagnostic_for_asm): New function.
9813 (pedwarn, error, warning, pedwarn_with_file_and_line,
9814 error_with_file_and_line, warning_with_file_and_line, sorry,
9815 error_for_asm, warning_for_asm, fatal): Reimplement.
9816 (finish_diagnostic): Clear diagnostic info as well.
9818 2000-07-13 Neil Booth <NeilB@earthling.net>
9820 * c-common.h (flag_digraphs): New.
9821 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9822 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9825 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9827 * gcc.c (do_spec_1): Add new %B operator.
9828 (set_input): Prepare for %B.
9830 (link_command_spec): Move up with the other tm.h-
9831 overrideable specs. Factor out the portion conditional on
9832 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9833 (struct compiler): Just have a single spec string. All users
9835 (default_compilers): Remove unnecessary braces.
9836 (static_specs): Update.
9838 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9840 (C and assembly specs): Use the new named specs, as appropriate.
9842 * objc/lang-specs.h: Use the new named specs.
9843 Remove unnecessary braces.
9845 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9847 * gcc.c (execute): If a subprocess gets a fatal signal, report
9848 strsignal() of the signal number, and ask for a bug report.
9849 Do not do this for SIGPIPE if there's already been an error.
9851 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9854 * tradcif.c: Remove.
9856 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9858 * final.c (profile_function): Do not emit profile counters in
9859 the data section, if NO_PROFILE_COUNTERS is defined.
9860 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9863 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9864 (FUNCTION_PROFILER): Just emit a call to mcount.
9866 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9868 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9870 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9871 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9872 traditional, lang_chill, or lang_fortran.
9874 * cppfiles.c: #undef strcmp to suppress warning about macros
9875 used without arguments.
9876 (_cpp_execute_include): Use f, not fname, in "No include path"
9878 (_cpp_pop_file_buffer): New function.
9879 * cpplib.c: Don't include <sys/mman.h>.
9880 (cpp_push_buffer): Set line_base and lineno in new buffer.
9881 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9883 * cpplex.c: Move all prototypes and structure declarations to the
9884 top of the file. Properly parenthesise some macro arguments.
9885 (cpp_scan_line): New function.
9886 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9887 don't need to walk up the stack counting.
9889 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9891 * c-common.c (combine_strings): Emit a pedantic warning when a
9892 string length is greater than the minimum ANSI C is required
9895 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9897 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9898 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9900 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9902 * c-decl.c (define_label): Warn about identifier conflicts with
9903 labels in traditional C.
9905 * c-parse.in (unop +): Warn about the unary plus operator for
9908 * c-typeck.c (store_init_value): Warn about automatic aggregate
9909 initialization for traditional C.
9911 * invoke.texi (-Wtraditional): Document new warnings.
9913 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9915 * Makefile.in (c-errors.o): Fix thinko in dependency.
9917 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9919 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9920 -traditional, -ftraditional, or -traditional-cpp was given.
9921 Do not pass -traditional to the preprocessor.
9922 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9923 preprocessor does it automatically.
9924 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9926 * ch/lang-specs.h: Always use tradcpp. Do not pass
9927 -traditional, -trigraphs, or -pedantic to the preprocessor.
9928 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9931 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9933 * cppexp.c (LOGICAL): Delete macro.
9934 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9937 * cpphash.c (HASHSIZE): Increase to 4096.
9938 (struct hashdummy): Add hash field.
9939 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9940 the string values using memcmp.
9941 (cpp_lookup): Set dummy.hash.
9943 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9945 * configure.in (m88k-openbsd): Express configuration using new fragment
9947 * configure: Rebuilt.
9948 * m88k/aout-dbx.h: New.
9949 * m88k/openbsd.h: New.
9950 * m88k/xm-openbsd.h: New.
9952 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9954 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
9956 2000-07-12 Richard Henderson <rth@cygnus.com>
9958 * reload.c (push_secondary_reload): Make sure to add the new
9959 reload at the end, after acquiring secondary memory.
9961 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9963 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
9965 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
9966 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
9968 * c-parse.in (stmt): Delete unused variables.
9970 * convert.c (convert_to_vector): Likewise.
9972 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
9974 * tree.c (finish_vector_type): Prototype.
9976 2000-07-12 Bruce Korb <bkorb@gnu.org>
9978 * fixinc/fixfixes.c: use xmalloc
9979 * fixinc/fixincl.c(initialize): set program name for xmalloc
9980 * fixinc/fixlib.c(must_malloc): obsolete
9981 (is_cxx_header): no longer used - disabled
9982 (skip_quote): inserted and disabled for future use
9983 * fixinc/fixlib.h: reflects above
9984 * fixinc/fixtests.c: removed dinkleberries
9986 2000-07-12 Neil Booth <NeilB@earthling.net>
9988 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
9989 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
9991 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
9992 struct toklist_dummy): New.
9993 (cpp_free_definition): Free macros with free_macro.
9994 (count_params): Don't save paramter spellings. Save macro
9995 information in a struct macro_info.
9996 (parse_define): Don't allocate a token list.
9997 (save_expansion): Allocate the macro's token list, and
9998 save parameter spellings if necessary. Use TOKEN_SPELL.
9999 (cpp_create_definition): Make list const.
10001 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10003 * c-typeck.c (pedwarn_c99): Move to
10004 * c-errors.c: ... Here.
10005 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
10006 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
10007 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
10008 (c-errors.o): List dependency.
10010 2000-07-12 Mark Mitchell <mark@codesourcery.com>
10012 * c-parse.c: Remove.
10013 * c-parse.h: Likewise.
10014 * c-parse.y: Likewise.
10015 * objc/objc-parse.c: Likewise.
10016 * objc/objc-pasre.y: Likewise.
10018 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
10020 * gcc.texi: Fix minor typos
10021 * extend.texi: Fix minor typos
10023 2000-07-11 Marc Espie <espie@openbsd.org>
10025 * collect2.c (main): Recognize .lo as object files.
10027 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10029 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
10032 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
10033 with MAP_ANONYMOUS and MAP_ANON.
10034 * configure, config.in: Rebuilt.
10036 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10038 * diagnostic.c (save_output_state): Remove.
10039 (restore_output_state): Likewise.
10040 (clear_text_info): New function.
10041 (clear_diagnostic_info): Likewise.
10042 (output_text_length, is_starting_newline, output_prefix,
10043 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
10044 prefixing_policy, output_buffer_ptr_to_format_args): New macros
10045 (set_real_maximum_length, output_set_maximum_length,
10046 output_set_prefix, output_get_prefix, output_set_maximum_length,
10047 output_destroy_prefix, init_output_buffer,
10048 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
10049 output_add_newline, output_add_character, output_add_space,
10050 output_append_r, output_append, wrap_text, output_format,
10051 output_do_printf, output_printf, output_do_verbatim,
10052 output_verbatim, verbatim): Use them.
10053 (output_clear): Split into cleat_text_info and
10054 clear_diagnostic_info.
10055 (struct output_state): Move to...
10057 * diagnostic.h: ...Here
10058 (struct output_buffer): Adjust.
10060 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
10062 * cpplex.c (parse_name): No longer inline (premature optimization).
10063 (do_pop_context): Fold into pop_context.
10064 (pop_context): Returns int.
10065 (lex_next): Hoist test for end of directive into pop_context.
10066 (push_macro_context): Returns int; takes just reader and token.
10067 Hoist test for excessive nesting to caller.
10068 (push_arg_context): Returns void; takes just reader and token.
10069 Do not call stringify_arg or get_raw_token.
10070 (get_raw_token): Convert tail recursion through push_arg_context
10071 to a loop at this level. Call stringify_arg here if appropriate.
10072 (maybe_paste_with_next): Convert tail recursion to a while loop.
10073 Hoist test of paste_level to caller.
10075 (stringify_arg): Push arg context at beginning.
10076 (cpp_get_token): Split out core into _cpp_get_token. Call
10077 process_directive here. Throw away CPP_PLACEMARKER tokens.
10078 (_cpp_get_token): Convert tail recursion through
10079 push_macro_context to a loop at this level.
10080 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
10081 _cpp_get_raw_token): Use _cpp_get_token.
10082 (_cpp_skip_rest_of_line): Drop the context stack directly; do
10083 not call pop_context.
10084 (_cpp_run_directive): Call lex_next directly.
10086 * cpphash.h: Prototype _cpp_get_token.
10087 * cppexp.c (lex): Use it.
10088 * cpphash.c (parse_define): Use it.
10089 * cpplib.c (get_define_node, do_undef, parse_include,
10090 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
10091 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
10092 parse_ifdef, validate_else): Use it.
10093 (cpp_push_buffer): Tweak error message; abort if anyone tries
10094 to push a buffer while macro expansions are stacked.
10096 2000-07-11 Donn Terry <donnte@microsoft.com>
10098 * cpplex.c (free_macro_args, save_token): Cast arg of free
10099 and/or xrealloc to PTR.
10100 (_cpp_init_input_buffer): Clear all fields of the base context.
10102 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
10104 * gensupport.c (process_rtx): Make rtl checking stop
10105 complaining about the define_insn while it is being
10106 converted from a define_insn_and_split.
10108 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
10110 * config/mips/mips.c (simple_memory_operand): Access the
10111 INTVAL of the address, not it's containing MEM.
10113 2000-07-11 Bruce Korb <bkorb@gnu.org>
10115 * fixinc/fixtests.c(double_slash): obsolete
10116 (else_endif_label): likewise
10117 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
10118 (libc1_ifdefd_memx): correct initial comment
10119 and omit the #if/#endif pair from the memxxx declarations
10120 * fixinc/fixincl.x: regen
10122 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10124 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
10126 2000-07-11 Neil Booth <NeilB@earthling.net>
10128 * cpp.texi: Update.
10130 2000-07-11 Neil Booth <NeilB@earthling.net>
10132 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
10133 (handle_option): Set digraphs according to standard.
10134 Merge OPT_lang_c89 handler with OPT_std_c89.
10136 * cpplex.c: (lex_line, can_paste): Honour digraphs in
10137 accordance with the digraphs flag.
10139 * cpplib.h: (struct cpp_options): New option digraphs.
10141 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
10142 Bruce Korb <bkorb@gnu.org>
10144 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
10145 * fixinc/fixincl.x: Regenerate.
10146 * fixinc/tests/base/testing.h: Add testcase.
10148 2000-07-10 Richard Henderson <rth@cygnus.com>
10150 * config/ia64/ia64.c (got_symbolic_operand): New.
10151 (symbolic_operand, move_operand): Revert 0701 change.
10152 * config/ia64/ia64.h (PREDICATE_CODES): Update.
10153 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
10154 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
10155 split the offset into a 14-bit low part instead of a 13-bit low part.
10156 (load_fptr): Mark the mem as unchanging.
10157 (load_symptr): Use got_symbolic_operand.
10159 2000-07-10 Nick Clifton <nickc@cygnus.com>
10161 * libgcc2.c (next_stack_level): Cast result of computation to
10162 (void **) so that the assignment does not generate a warning.
10164 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
10166 * flags.h : Add new variable flag_single_precision_constant.
10167 * toplev.c (display_help) : Add -fsingle-precision-constant option.
10168 (flag_single_precision_constant): New.
10169 * c-lex.c (yylex): Convert floating point constant to single
10170 precision constant.
10171 * invoke.texi : Add documentation for this new option.
10173 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10175 * diagnostic.c (output_octal): Second parameter is unsigned.
10176 (output_long_octal): Likewise.
10177 (output_hexadecimal): Likewise.
10178 (output_long_hexadecimal): Likewise.
10179 (output_format): Adjust arguments extraction. Tweak.
10180 (output_verbatim, verbatim): End variable argument list.
10181 (report_diagnostic): Improve documentation.
10183 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
10185 * c-common.h (build_stmt): Declare.
10186 (build_continue_stmt): Likewise.
10187 (build_break_stmt): Likewise.
10188 (build_return_stmt): Likewise.
10190 * c-decl.c (do_case): Rewrite to do what previously done in
10193 * c-semantics.c (build_stmt): Define.
10194 (build_return_stmt): Likewise.
10195 (build_break_stmt): Likewise.
10196 (build_continue_stmt): Likewise.
10197 (build_case_label): Likewise.
10199 * c-parse.in (BREAK): Change to build tree, then generate RTL.
10200 (CONTINUE): Likewise.
10201 (RETURN): Likewise.
10203 (DEFAULT): Likewise.
10205 * c-parse.y: Regenerate.
10206 * c-pasre.c: Likewise.
10208 2000-07-09 Jason Merrill <jason@redhat.com>
10210 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
10212 * tree.h (STRIP_NOPS): Check for error_mark_node.
10213 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
10214 (dwarf2out_*): Remove duplicate declarations.
10216 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
10217 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
10219 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10221 * diagnostic.c (wrap_text): New function.
10222 (maybe_wrap_text): Likewise.
10223 (output_add_string): Use it.
10224 (output_format): Likewise.
10225 (count_error): Use verbatim instead of notice.
10226 (report_error_function): Likewise. Don't use plain fprintf.
10227 (finish_diagnostic): New function.
10228 (output_do_verbatim): Tweak. Commonalize functionalities in
10229 output_verbatim and verbatim.
10230 (output_verbatim): Adjust.
10231 (verbatim): Likewise.
10232 (report_diagnostic): Define.
10234 * diagnostic.h (report_diagnostic): Prototype.
10236 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
10238 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
10240 2000-07-09 Neil Booth <NeilB@earthling.net>
10242 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
10243 IShspace, ISspace: Update.
10245 * cppinit.c: ISTABLE: Update.
10248 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
10249 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
10250 (skip_block_comment, skip_line_comment, parse_string,
10251 lex_line): Use is_vspace rather than IS_NEWLINE.
10252 (skip_whitespace, lex_line): Clean up to use is_nvspace.
10253 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
10255 (lex_next): Unconditionally stop if within a directive.
10256 Treat directives within macro invocations as directives
10257 (after parse_args emits error), not as the argument.
10259 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
10261 * diagnostic.c (diagnostic_args): New macro.
10262 (diagnostic_msg): Likewise.
10263 (output_formatted_integer): Likewise.
10264 (output_state): New data type.
10265 (digit_buffer): Make global.
10266 (output_add_integer): Rename to output_decimal. Squeeze
10268 (output_long_decimal, output_unsigned_decimal,
10269 output_long_unsigned_decimal, output_octal, output_long_octal,
10270 output_hexadecimal, output_long_hexadecimal): New functions.
10271 (output_append_r): New function.
10272 (output_append): Tweak.
10273 (output_flush_on): Rename to output_to_stream.
10274 (output_format): Change prototype. Improve documentation. Handle
10275 more format specifiers.
10276 (build_location_prefix): Rename to context_as_prefix.
10277 (output_notice): Rename to output_do_printf.
10278 (output_printf): Tweak.
10279 (line_wrapper_printf): Likewise.
10280 (vline_wrapper_message_with_location): Adjust call to renamed
10282 (v_message_with_decl): Likewise.
10283 (default_print_error_function): Likewise.
10284 (save_output_state): New function.
10285 (restore_output_state): Likewise.
10286 (output_do_verbatim): Likewise.
10287 (output_verbatim): Define.
10288 (verbatim): Likewise.
10290 * diagnostic.h (printer_fn): Change return type from void to int.
10291 Improve documentation.
10292 (output_add_integer): Rename to output_decimal.
10293 (output_flush_on, output_format): Don't export.
10294 (output_verbatim, verbatim): Declare.
10296 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
10298 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
10299 Check whether c divides op1 exactly if operation is not
10302 2000-07-08 Richard Henderson <rth@cygnus.com>
10304 * final.c (final): Do not abort when reg-stack introduces
10307 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
10309 * cpplib.h (struct cpp_name): Now struct cpp_string.
10310 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
10311 CPP_HEADER_NAME): Change to type S.
10312 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
10313 field, a cpp_hashnode *. All references to val.name updated
10314 to use val.str or val.node as appropriate.
10315 (struct cpp_reader): Add spec_nodes field.
10316 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
10318 * cpphash.h (struct spec_nodes): New.
10319 (enum spell_type): Reorder. Only SPELL_STRING tokens use
10320 val.str. All references to 'spelling > SPELL_NONE' updated to
10323 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
10324 pfile->buffer->inc are not NULL before dereferencing them.
10326 * cpplex.c (parse_name): Take a pointer to the current token,
10327 plus current position and limit as args; return the new
10328 position; don't copy the text of a name into the string
10329 buffer, instead call cpp_lookup and store the node pointer.
10330 If extending a token, copy out the text of the old into a
10331 scratch buffer, append the new, look that up and store the new
10332 node pointer. Inline.
10333 (maybe_paste_with_next): If the result of paste is a NAME,
10334 then look up the pasted text and store its node pointer.
10335 (lex_line): Adjust for new parse_name interface.
10336 Check for L"str", L'str' using spec_nodes->n_L.
10337 (spell_token): SPELL_IDENT tokens have their spelling in
10338 val.node->name. Handle SPELL_STRING tokens that don't have
10340 (_cpp_expand_name_space,
10341 (can_paste): Check for L ## "str" using spec_nodes->n_L.
10342 (cpp_get_token, special_symbol): No need to call cpp_lookup.
10343 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
10344 return 1=equal 0=not, not a tristate.
10346 * cpphash.c (var_args_str): Delete.
10347 (find_param): Compare node fields directly.
10348 (is__va_args__): Use CPP_PEDANTIC. Just compare
10349 token->val.node with spec_nodes->n__VA_ARGS__.
10350 (dump_funlike_macro): Don't use var_args_str.
10352 * cpplib.c (_cpp_check_directive): Just walk through
10353 spec_nodes->dirs comparing pointers.
10354 (get_define_node, do_pragma_poison, detect_if_not_defined,
10355 parse_ifdef): The identifier has already been looked up.
10356 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
10358 (do_if): Only call detect_if_not_defined at beginning of file.
10359 (_cpp_parse_assertion): Only copy string pointers for
10360 SPELL_STRING tokens.
10361 (pragma_dispatch): Take a node pointer and examine its name
10363 (_cpp_init_stacks): Also initialize the spec_nodes structure.
10365 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
10367 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
10368 reverse order from the corresponding _cpp_init_* routines.
10370 * cppexp.c (parse_number, parse_charconst, parse_defined,
10371 lex): Check val.node->type instead of calling cpp_defined.
10372 Use spec_nodes entries where appropriate.
10374 * fix-header.c, scan-decls.c: Update for interface changes.
10376 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
10378 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
10379 emitting aux_truncdfsf2.
10381 2000-07-03 Donn Terry (donnte@microsoft.com)
10383 * cppinit.c (print_help): split overlong line into ISO C89
10386 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10388 * cppexp.c: Update all code for new lexer interface.
10389 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
10390 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
10391 * cpplex.c (token_names): Trim leading CPP_ from names; make
10392 the strings unsigned.
10393 (_cpp_spell_operator): New.
10394 (is_macro_disabled): Disable all macros if rescanning
10396 (_cpp_get_directive_token): Remove.
10398 * cppinit.c: Don't set no_macro_expand.
10399 * cpplib.c (read_line_number, do_line): Check only for EOF,
10401 * cpphash.h: Update prototypes.
10402 * cpplib.h (CPP_VSPACE): Remove.
10403 (struct cpp_reader): Remove no_macro_expand.
10405 2000-07-08 Neil Booth <NeilB@earthling.net>
10407 * cpphash.c (is__va_args__): New function.
10408 (count_params): Fix line reported in error messages. Use
10409 is__va_args__. Don't return ')' on error. Flag GNU style
10410 rest args macro definitions.
10411 (parse_define): Check macro name is not __VA_ARGS__.
10412 (save_expansion): Check identifier in non-varargs-macro is
10413 not __VA_ARGS__. Don't flag GNU_VARARGS.
10414 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
10415 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
10416 than per-token GNU_VARARGS.
10417 * cpplib.h (GNU_VARARGS): Remove.
10418 (GNU_REST_ARGS): New.
10420 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10422 * i386.md (call_pop, call, call_value_pop): Do not set
10423 current_function_uses_pic_offset_table for calls to static
10424 functions or indirect calls.
10426 2000-07-07 Jim Wilson <wilson@cygnus.com>
10428 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
10429 is_predicate_reg, then take max write_count of register pair.
10431 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10433 * tradcpp.c (main): Rename label `include' to `add_include' to
10434 avoid conflicts with variable `include' in traditional C.
10436 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10438 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
10440 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10442 * sibcall.c (uses_addressof): Add INMEM argument, check for
10443 current_function_internal_arg_pointer outside of MEM rtxs in addition
10445 (sequence_uses_addressof): Update caller.
10447 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10449 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
10452 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10454 * system.h (UNION_INIT_ZERO): New macro for initializing union
10455 members in structs.
10457 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
10459 2000-07-07 Neil Booth <NeilB@earthling.net>
10461 * cpp.texi: Update.
10463 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
10465 * final.c (final): Detect out of bounds array access to
10466 the insn_lengths array.
10468 2000-07-07 Kazu Hirata <kazu@hxi.com>
10470 * fold-const.c (fold): Fix a comment typo.
10472 2000-07-07 Neil Booth <NeilB@earthling.net>
10474 * cpp.texi: Update to new lexer.
10476 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10478 * tradcpp.c: New file.
10479 * tradcif.y: New file.
10480 * tradcif.c: New generated file.
10482 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
10483 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
10484 dependencies of C. Install tradcpp from install-common, in
10487 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10489 * cppinit.c: Include cppdefault.h. Refer to
10490 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
10491 to GCC_INCLUDE_DIR and its length.
10492 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
10493 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
10494 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
10496 (include_defaults_array): Move to cppdefault.c.
10498 * cppdefault.h: New file.
10499 * cppdefault.c: New file.
10501 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
10502 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
10503 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
10506 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10508 * reload.c (push_reload): When seeing if can reuse a register,
10509 check extra registers against widest of INMODE and OUTMODE.
10511 2000-07-06 Neil Booth <NeilB@earthling.net>
10513 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
10514 based on full length of predicate.
10516 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
10518 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
10519 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
10521 2000-07-05 Kazu Hirata <kazu@hxi.com>
10523 * h8300-proto.h: Fix formatting.
10524 * h8300.c: Likewise.
10525 * h8300.h: Likewise.
10527 2000-07-05 Jim Wilson <wilson@cygnus.com>
10529 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
10532 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
10534 * invoke.texi: Fix minor typos
10535 * md.texi: Fix minor typos
10537 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
10539 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
10541 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10543 * cpplex.c: Don't include sys/mman.h.
10544 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10546 * cpplib.c: Include sys/mman.h and obstack.h.
10547 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10549 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10550 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10551 bother freeing if stack entries (they will be freed with their buffer).
10552 (do_endif): Free if stack entries from the buffer obstack.
10553 (push_conditional): Allocate if stack entries from the buffer obstack.
10555 (find_answer): Rename to _cpp_find_answer.
10556 (do_assert, do_unassert): Update.
10558 * cpphash.h: Update prototypes.
10559 (xobnew): New convenience macro.
10560 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10562 (struct cpp_hashnode): Remove disabled field.
10564 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10565 (report_missing_guard): Moved to cppfiles.c.
10566 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10568 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10569 cpp_cleanup_includes. Don't destroy hashtab or
10570 all_include_files here.
10571 (cpp_finish): Use _cpp_report_missing_guards.
10573 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10574 (_cpp_init_include_table): Rename _cpp_init_includes.
10575 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10577 * cppexp.c (parse_assertion): Update for new name of
10580 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10582 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10584 * cpplib.c (do_ident): s/VSPACE/EOF/
10586 2000-07-05 Neil Booth <NeilB@earthling.net>
10588 * cpplex.c: Fix trigraph replacement within strings.
10590 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10592 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10594 * xcoffout.c (assign_type_number): Constify.
10595 (xcoffout_source_file): Add static prototype. Don't needlessly
10596 cast away const-ness.
10598 2000-07-04 Jason Merrill <jason@redhat.com>
10600 * frame.h (frame_state): Move base_offset to end.
10602 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10604 * calls.c (emit_library_call_value_1): Revert previous change.
10606 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10608 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10609 (recognized_extern, recognized_function, read_scan_file):
10610 Update for new scheme.
10611 (check_protection): It's still a multiple include guard even
10612 if it doesn't always trigger.
10613 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10615 * scan.h: Declare struct cpp_token. Update prototypes.
10617 2000-07-03 Neil Booth <neilb@earthling.net>
10618 Zack Weinberg <zack@wolery.cumb.org>
10620 Complete overhaul of the lexer and macro expander.
10622 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10623 arg, arglist, argdata, reflist, collect_objlike_expansion,
10624 collect_funlike_expansion, collect_params,
10625 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10626 unsafe_chars, macarg, compare_defs, special_symbol,
10627 scan_arguments, stringify, funlike_macroexpand,
10628 _cpp_quote_string, monthnames): Delete.
10629 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10630 _cpp_create_definition, _cpp_dump_definition,
10631 dump_hash_helper): Adjust.
10632 (find_param, count_params, parse_define, var_args_str,
10633 check_macro_redefinition, save_expansion): New.
10635 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10636 parse_string, output_line_command, trigraph_replace,
10637 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10638 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10639 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10640 _cpp_skip_rest_of_line): Modify.
10642 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10643 find_position, null_warning, bump_column, expand_name_space,
10644 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10645 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10646 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10647 _cpp_prescan): Delete.
10649 (dump_param_spelling, process_directive, lex_next,
10650 is_macro_disabled, stringify_arg, expand_context_stack,
10651 output_token, make_string_token, alloc_number_token,
10652 special_symbol, duplicate_token, maybe_paste_with_next,
10653 can_paste, prevent_macro_expansion, restore_macro_expansion,
10654 get_temp_token, release_temp_tokens, quote_string,
10655 token_names, token_spellings, _cpp_expand_name_space,
10656 _cpp_glue_header_name, _cpp_reserve_name_space,
10657 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10658 placemarker_token, eof_token, cpp_context, macro_args,
10659 get_raw_token, parse_arg, parse_args, save_token,
10660 push_arg_context, push_macro_context, pop_context,
10661 do_pop_context, free_macro_args, _cpp_get_line,
10662 _cpp_run_directive): New.
10664 * cpplib.c (validate_else, parse_include, push_conditional,
10665 pass_thru_directive, read_line_number, parse_ifdef,
10666 detect_if_not_defined, _cpp_check_directive, do_define,
10667 do_undef, do_include, do_import, do_include_next, do_error,
10668 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10669 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10670 do_pragma_poison, do_pragma_system_header,
10671 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10672 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10673 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10674 cpp_defined): Update for new scheme.
10675 (strtoul_for_line, get_define_node, dump_macro_name,
10676 _cpp_check_linemarker, _cpp_parse_assertion): New.
10677 (_cpp_handle_directive, do_pragma_default): Delete.
10679 * cpphash.h (struct predicate): Now struct answer.
10680 (enum spell_type, struct token_spelling, struct directive,
10681 directive_handler): New.
10682 Update prototypes. Remove unused macros.
10683 * cpplib.h: Update prototypes. Remove unused macros,
10684 structure definitions, and fields.
10686 * cpperror.c (print_containing_files, v_message): Adjust.
10687 * cppexp.c (parse_assertion, lex, parse_escape,
10688 _cpp_parse_expr): Adjust.
10689 * cppfiles.c (open_include_file, _cpp_execute_include,
10690 _cpp_compare_file_date, cpp_read_file, read_include_file):
10692 * cppinit.c (dump_special_to_buffer): Delete.
10693 (append_include_chain, merge_include_chains, cpp_reader_init,
10694 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10695 cpp_finish, handle_option, print_help): Adjust.
10696 * cppmain.c (main): Adjust.
10698 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10700 * cppspec.c (lang_specific_driver): Use double quotes in error
10703 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10705 * calls.c (emit_library_call_value_1): Use valreg instead
10706 of hard_libcall_value.
10708 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10710 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10711 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10712 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10720 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10721 mode instead of wider_mode is being used.
10723 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10725 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10726 of 'r'. Use q_regs_operand.
10727 (andsi_1+2): Use q_regs_operand.
10729 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10731 * builtins.c (get_memory_rtx): Always put into alias set 0.
10733 2000-07-03 Nick Clifton <nickc@cygnus.com>
10735 * config/arm/arm.md: Fix post increment and pre increment
10736 peepholes so that they do not generate UNPREDICATBLE opcodes.
10737 (ie ones where the increment clobbers the source/destination).
10739 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10741 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10742 change too big for -mtiny-stack" a warning, if larger than 63.
10743 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10744 always safe to use on possible future devices.
10745 (function_prologue): Write SPH before SPL, for consistency.
10746 If interrupt_func_p true, we know we have enabled interrupts.
10747 (avr_num_arg_regs): New function. Round up to even number of
10748 bytes if no -mpack-args or if calling a libgcc function.
10749 (function_arg, function_arg_advance): Use it.
10750 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10751 Output "movw" if available.
10752 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10753 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10754 (asm_output_section_name): Add blanks for consistent output.
10755 (encode_section_info): Set TREE_READONLY for progmem data to
10756 avoid gas warnings about changed section attributes.
10757 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10758 even numbered registers on devices with "movw".
10759 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10760 (TARGET_SWITCHES): Mark help strings for translation.
10761 Add new -mpack-args and -menhanced switches.
10762 (TARGET_OPTIONS): Mark help strings for translation.
10763 (progmem_section): Add section attributes.
10764 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10765 Output "movw" if available.
10766 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10768 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10769 call convention (arguments aligned on even registers).
10770 (_cleanup, _exit): Make weak symbols libc can override.
10772 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10774 * fp-bit.h: New file.
10776 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10777 Comment #endif statements.
10778 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10780 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10782 * gcse.c (compute_pre_data): Compute ae_kill using other local
10783 properties instead of calling compute_ae_kill.
10785 * alias.c (init_alias_analysis): Do not call
10786 prologue_epilogue_contains until after reload has completed.
10788 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10790 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10791 (genrtl_finish_compound_stmt): Likewise.
10792 (genrtl_compound_stmt): Change to return void.
10794 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10795 move code from here to ...
10796 (genrtl_compound_stmt): ... here.
10797 (genrtl_finish_compound_stmt): Remove.
10798 (expand_stmt): Add comment.
10800 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10802 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10805 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10807 * cpplib.h (struct cpp_reader): New field include_depth.
10808 (struct cpp_printer): Rename last_bsd to last_id.
10809 * cppfiles.c (read_include_file): Bump include_depth.
10810 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10811 (output_line_command): Output correct #line if a header
10812 is including itself and is not protected against multiple inclusion.
10813 Use include_depth instead of buffer_stack_depth, last_id instead of
10815 * cppinit.c (cpp_start_read): Initialize last_id instead of
10818 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10820 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10821 (c-semantics.o): New target.
10823 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10824 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10825 (genrtl_clear_out_block): Likewise.
10826 (genrtl_goto_stmt): Likewise.
10827 (genrtl_expr_stmt): Likewise.
10828 (genrtl_decl_stmt): Likewise.
10829 (genrtl_if_stmt): Likewise.
10830 (genrtl_while_stmt): Likewise.
10831 (genrtl_do_stmt): Likewise.
10832 (genrtl_return_stmt): Likewise.
10833 (genrtl_for_stmt): Likewise.
10834 (genrtl_break_stmt): Likewise.
10835 (genrtl_continue_stmt): Likewise.
10836 (genrtl_scope_stmt): Likewise.
10837 (genrtl_switch_stmt): Likewise.
10838 (genrtl_case_label): Likewise.
10839 (genrtl_begin_compound_stmt): Likewise.
10840 (gerntl_finish_compound_stmt): Likewise.
10841 (genrtl_compound_stmt): Likewise.
10842 (genrtl_asm_stmt): Likewise.
10843 (genrtl_decl_cleanup): Likewise.
10844 (DECL_ANON_UNION_ELEMS): Likewise.
10845 (emit_local_var): Likewise.
10846 (make_rtl_for_local_static): Likewise.
10847 (expand_cond): Likewise.
10848 (expand_stmt): Likewise.
10849 (c_expand_return): Likewise.
10850 (c_expand_start_case): Likewise.
10851 (do_case): Likewise.
10852 (COMPOUND_STMT_NO_SCOPE): Likewise.
10853 (c_expand_asm_operands): Likewise.
10854 (NEW_FOR_SCOPE_P): New macro.
10855 (expand_expr_stmt_fn): New type.
10857 (set_current_function_name_declared): Likewise.
10858 (current_function_name_declared): Likewise.
10859 (lang_expand_stmt): Likewise.
10860 (stmts_are_full_exprs_p): Likewise.
10861 (anon_aggr_type_p): Likewise.
10862 (lang_expand_expr_stmt): Likewise.
10863 (build_case_label): Likewise.
10865 * c-decl.c (lang_expand_expr_stmt): Initialize.
10866 (stmts_are_full_exprs_p): Define.
10867 (current_function_name_declared): Likewise.
10868 (do_case): Likewise.
10869 (lang_expand_stmt): Likewise.
10870 (set_current_function_name_declared): Likewise.
10871 (anon_aggr_type_p): Likewise.
10873 * c-semantics.c: New file.
10874 (expand_cond): Moved from cp/semantics.c.
10875 (genrtl_do_pushlevel): Likewise.
10876 (genrtl_clear_out_block): Likewise.
10877 (genrtl_goto_stmt): Likewise.
10878 (genrtl_expr_stmt): Likewise.
10879 (genrtl_decl_stmt): Likewise.
10880 (genrtl_if_stmt): Likewise.
10881 (genrtl_while_stmt): Likewise.
10882 (genrtl_do_stmt): Likewise.
10883 (genrtl_return_stmt): Likewise.
10884 (genrtl_for_stmt): Likewise.
10885 (genrtl_break_stmt): Likewise.
10886 (genrtl_continue_stmt): Likewise.
10887 (genrtl_scope_stmt): Likewise.
10888 (genrtl_switch_stmt): Likewise.
10889 (genrtl_case_label): Likewise.
10890 (genrtl_begin_compound_stmt): Likewise.
10891 (genrtl_finish_compound_stmt): Likewise.
10892 (genrtl_compound_stmt): Likewise.
10893 (genrtl_asm_stmt): Likewise.
10894 (genrtl_decl_cleanup): Likewise.
10895 (make_rtl_for_local_static): Moved from cp/decl.c.
10896 (emit_local_var): Likewise.
10897 (expand_stmt): Define.
10899 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10900 (c_expand_return): Likewise.
10901 (c_expand_start_case): Likewise.
10903 2000-07-01 Richard Henderson <rth@cygnus.com>
10905 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10906 with the low 13 bits set.
10907 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10908 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10909 of the low 13 bits into a CONST plus an adddi3.
10910 (load_symptr): Set RTX_UNCHANGING_P.
10912 See ChangeLog.3 for earlier changes.