1 2000-11-09 Jakub Jelinek <jakub@redhat.com>
3 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
4 (c_getstr): New function.
5 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
6 If both arguments are constant string, optimize out.
7 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
8 (expand_builtin_strpbrk): Use c_getstr, do nothing if
10 (expand_builtin_fputs): Likewise.
11 (expand_builtin_strcmp): Add MODE argument.
12 Use even if !HAVE_cmpstrsi.
13 Optimize the case when both arguments are constant strings.
14 (expand_builtin): Adjust expand_builtin_strcmp caller.
15 Call expand_builtin_strchr and expand_builtin_strrchr.
16 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
18 * builtins.def (BUILT_IN_STRRCHR): Add.
20 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
24 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
26 * calls.c (expand_call, emit_library_call_value_1), collect2.c
27 (scan_prog_file), config/a29k/a29k.c (print_operand),
28 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
30 * real.h: Use memcmp () instead of bcmp ().
31 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
32 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
33 ultrasparc_sched_init, ultrasparc_sched_reorder),
34 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
36 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
38 * configure.in: Don't check for bzero, bcmp, index or rindex.
39 * configure, config.in: Regenerate.
40 * system.h: Don't include declarations for bzero, bcmp, index or
42 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
43 bzero, bcmp, index or rindex.
45 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
47 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
48 include and library paths from -mcygwin case. Parameterize some
49 declarations to avoid warnings. Use standard locations for include and
52 2000-11-08 Nick Clifton <nickc@redhat.com>
54 * config/arm/arm.md (mulsidi3adddi): Change output operand
55 constraint from "=&" to "=&".
56 (umulsidi3adddi): Change output operand constraint from "=&" to
59 2000-11-08 Richard Henderson <rth@redhat.com>
61 * flow.c (init_propagate_block_info): Protect the rtx stored in
62 mem_set_list from modification by find_auto_inc.
63 (mark_set_1): Likewise.
65 2000-11-08 Neil Booth <neilb@earthling.net>
67 Move directive handling into the lexer itself.
69 * cpplex.c (_cpp_lex_token): Handle directives directly.
70 In the case of a directive interrupting a function-like
71 macro invocation, use extra_char since read_ahead is
72 used to store the '#'. Return a CPP_EOF in this case.
73 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
74 (cpp_get_token): Don't handle directives here.
75 * cpplib.h: Remove CPP_DHASH token type.
77 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
79 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
80 formed using PRE_MODIFY too.
82 2000-11-08 Mark Mitchell <mark@codesourcery.com>
84 * c-tree.texi (VAR_DECL): Describe representation of GCC's
85 extension for placing variables in particular registers.
87 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
88 unprototyped C functions with no parameters.
90 2000-11-08 Jakub Jelinek <jakub@redhat.com>
92 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
93 before passing to fprintf.
95 2000-11-08 Jakub Jelinek <jakub@redhat.com>
97 * function.c (expand_function_start): Cast GET_MODE_SIZE to
98 HOST_WIDE_INT before negating it.
100 2000-11-08 Jakub Jelinek <jakub@redhat.com>
102 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
103 passed in multiple non-contiguous locations.
105 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
107 * README.gnat: Remove file.
109 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
111 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
114 2000-11-07 Richard Henderson <rth@redhat.com>
116 * dwarfout.c (INSN_LABEL_FMT): Remove.
117 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
118 (dwarfout_label): Remove.
119 * dwarfout.h: Remove it's prototype.
120 * dwarf2out.c (INSN_LABEL_FMT): Remove.
121 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
122 (dwarf2out_label): Remove.
123 * dwarf2out.h: Remove it's prototype.
124 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
126 2000-11-07 Richard Henderson <rth@redhat.com>
128 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
129 search on the unwind region section.
131 * config/ia64/ia64.md (movbi): Add r/r alternative.
132 (cmovdi_internal_astep): Describe all combinations of register
133 classes for sources & destinations; remove matching constraints.
134 (cmovdi_internal): Likewise.
136 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
138 2000-11-07 Richard Henderson <rth@redhat.com>
140 * c-lang.c (start_cdtor, finish_cdtor): New functions.
141 (finish_file): Use them in building constructor/destructor functions.
143 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
144 LD_FINI_SWITCH): Move ...
145 * config/alpha/osf.h: ... here.
146 * config/alpha/alpha-interix.h: Don't undef them.
148 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
150 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
151 included in libgcc.a.
153 (dp-bit.c): Likewise.
154 (fp-bit.c): Likewise.
156 2000-11-07 Nick Clifton <nickc@redhat.com>
158 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
159 (INTERNAL_ASM_OP): Add missing tab.
161 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
163 * alias.c (init_alias_analysis), calls.c (expand_call,
164 emit_library_call_value_1), combine.c (init_reg_last_arrays),
165 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
166 (init_output_buffer, set_diagnostic_context), dwarf2out.c
167 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
168 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
169 function.c (assign_parms), gcse.c (compute_can_copy,
170 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
171 compute_hash_table, compute_set_hash_table,
172 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
173 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
174 clear_units, schedule_block), integrate.c (initialize_for_inline,
175 expand_inline_function), jump.c (thread_jumps), local-alloc.c
176 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
177 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
178 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
179 record_reg_classes, allocate_reg_info), reload.c
180 (get_secondary_mem, remove_address_replacements, find_reloads),
181 reload1.c (reload, set_initial_label_offsets, finish_spills,
182 reload_as_needed, choose_reload_regs_init,
183 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
184 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
185 (rename_registers), stmt.c (expand_end_case), unroll.c
186 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
187 () instead of bzero ().
189 2000-11-07 Neil Booth <neilb@earthling.net>
191 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
193 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
195 * c-common.c (combine_strings): Only warn about long strings for C.
197 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
199 * combine.c (distribute_notes): Fix typo in last change.
201 2000-11-07 Geoff Keating <geoffk@redhat.com>
203 * config/rs6000/rs6000.md (movdi_internal32+1): Use
204 operand_subreg_force rather than gen_rtx_SUBREG.
205 (movdi_internal32+2): Likewise.
207 2000-11-07 Philip Blundell <philb@gnu.org>
209 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
210 * config/arm/linux-aout.h: Likewise.
211 * configure: Regenerate.
213 2000-11-07 Philipp Thomas <pthomas@suse.de>
215 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
216 accepted my the gettext maintainer.
218 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
220 * builtins.c (expand_builtin_strpbrk): New function.
221 (expand_builtin): Handle BUILT_IN_STRPBRK.
223 * builtins.def (BUILT_IN_STRPBRK): New entry.
225 * c-common.c (c_common_nodes_and_builtins): Declare builtin
228 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
230 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
231 * POTFILES.in: Add config/alpha/freebsd.h
232 * configure.in: Add alpha*-freebsd support.
233 * configure: Regenerate.
235 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
237 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
238 copy of ptr_type_node rather than ptr_type_node itself.
240 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
242 * combine.c (recog_for_combine): Allocate uninitialized vector with
244 * recog.c (apply_change_group): Likewise.
246 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
248 * flow.c (verify_local_live_at_start): Back out last change.
249 * combine.c (distribute_notes): When parts of a hard reg are
250 neither set nor referenced in PLACE, search backwards for a
251 place to put a REG_UNUSED note; if none found, ask for flow
254 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
256 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
257 with (clobber (match_scratch...)).
259 2000-11-06 Neil Booth <neilb@earthling.net>
261 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
264 2000-11-06 Neil Booth <neilb@earthling.net>
266 * tradcpp.c (special_symbol): Assign an null string rather
267 than writing to an unallocated buffer.
269 2000-11-06 Neil Booth <neilb@earthling.net>
271 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
274 2000-11-06 Neil Booth <neilb@earthling.net>
276 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
277 tok.val.arg_no as appropriate.
278 * cppexp.c (lex): Similarly.
279 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
280 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
281 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
282 cpp_macro_definition): Similarly.
283 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
285 2000-11-06 Jakub Jelinek <jakub@redhat.com>
287 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
288 operands[1] is constant, calculate the sum and generate movdi.
289 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
290 (subsi3): Use SImode in call to arith_4096_operand.
292 2000-11-06 Jakub Jelinek <jakub@redhat.com>
294 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
295 adjust %o1, not %o0 if the return type is large structure.
297 2000-11-06 Jakub Jelinek <jakub@redhat.com>
299 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
300 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
302 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
304 * expmed.c (expand_divmod): For signed divide by 2, prefer
305 a branch and fewer shifts if branches are very cheap.
307 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
309 * Makefile.in: Remove all targets related to building
310 distributions and diffs, or INSTALL.
311 * INSTALL, install1.texi: Remove.
312 * configure.in: Remove mention of distdir.
313 * configure: Regenerate.
314 * objc/Make-lang.in: Remove mention of distdir.
316 2000-11-04 Neil Booth <neilb@earthling.net>
318 * cpp.texi: Update for _Pragma.
320 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
322 * gcc.texi (Contributing): Update URL for projects web page.
324 2000-11-04 Neil Booth <neilb@earthling.net>
326 * cpplex.c (parse_string): Don't allow multiline strings in
327 #include family directives.
329 2000-11-04 Neil Booth <neilb@earthling.net>
331 * cpplib.c (do_line): Only warn pedantically if not reading
334 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
336 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
339 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
341 * builtins.c (expand_builtin_strlen): Remove unused mode
343 * gcc.c (process_command): Remove unused variable.
344 * fold-const.c: Include expr.h.
345 * recog.c: Include reload.h.
346 * Makefile.in (recog.o, fold-const.o): Update deps.
348 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
350 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
352 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
354 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
356 (STARTFILE_SPEC): Likewise.
357 (LINK_SPEC): Likewise.
359 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
361 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
362 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
363 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
365 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
367 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
368 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
369 perm_calloc, get_identifier, maybe_get_identifier,
370 real_value_from_int_cst, simple_cst_equal), varasm.c
371 (assemble_name, assemble_real, immed_real_const_1,
372 compare_constant_1, decode_rtx_const, output_constant_pool): Use
373 strrchr () instead of rindex (). Use memcmp () instead of bcmp
374 (). Use memcpy () instead of bcopy (). Use memset () instead of
377 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
379 * cppfiles.c (open_file): If already read, then don't reopen.
380 Immediately close an empty file.
382 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
384 * expr.h (fold_builtin): Move declaration...
385 * tree.h (fold_builtin): ... here.
387 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
389 * flow.c (verify_local_live_at_start): Allow hard regs to die.
391 2000-11-02 Neil Booth <neilb@earthling.net>
394 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
395 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
396 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
397 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
398 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
399 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
400 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
401 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
402 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
403 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
404 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
405 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
406 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
407 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
408 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
409 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
410 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
411 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
412 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
413 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
414 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
415 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
416 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
417 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
418 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
419 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
420 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
421 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
422 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
423 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
424 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
425 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
426 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
427 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
428 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
429 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
430 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
431 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
432 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
433 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
434 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
435 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
436 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
437 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
438 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
439 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
440 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
441 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
442 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
443 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
444 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
445 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
446 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
447 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
448 vax/vaxv.h, vax/vms.h, we32k/we32k.h
450 Replace -A() with -A=, the new assertion syntax.
452 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
454 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
456 In REG_DEAD handling: When handling parts of multi-hard-reg hard
457 registers, increment the loop counter by the size of the parts;
458 use recursion to handle individual parts.
460 2000-11-02 Neil Booth <neilb@earthling.net>
462 * configure.in: Make integrated CPP the default.
463 * configure: Regenerate.
465 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
467 * reload.c (find_equiv_reg): Test all hard registers for membership
468 in the requested class.
470 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
472 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
473 process_command, main), gcov.c (open_files, output_data), tlink.c
474 (frob_extension, scan_linker_output), toplev.c
475 (file_name_nondirectory): Use strchr () and strrchr () instead of
476 index () and rindex ().
478 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
480 * c-common.c (get_flag_spec, check_format_info_main,
481 check_format_types): Use strchr () instead of index (). Compare
482 against error_mark_node instead of comparing the TREE_CODE against
485 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
489 * c-lex.c (init_c_lex): Update cpp_start_read call.
490 (cb_ident): Update for new callback prototype.
491 (cb_def_pragma): Update for new cpp_get_token prototype.
492 (c_lex): Similarly. Use cpp_get_line.
494 * c-parse.in (finish_parse): Update for new cpp_finish
497 * cp/lex.c (finish_parse): Similarly.
499 2000-11-01 Geoff Keating <geoffk@cygnus.com>
501 * machmode.def: Add V16QImode.
503 2000-11-01 Richard Henderson <rth@redhat.com>
505 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
506 from rtl_for_decl_location.
507 (add_location_or_const_value_attribute): Likewise.
509 2000-11-01 Neil Booth <neilb@earthling.net>
511 * cpplib.c (run_directive): Use correct line number for output
512 of _Pragma. Remember any in-progress directive.
514 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
516 2000-11-01 Richard Henderson <rth@redhat.com>
518 * stmt.c (expand_start_null_loop): Set continue_label.
520 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
522 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
523 (expand_builtin_constant_p): Move parts of the code into
524 fold_builtin_constant_p.
525 (expand_builtin_strlen): Move parts of the code into fold_builtin.
526 * expr.h (fold_builtin): Declare.
527 * fold-const.c (fold): Handle builtin calls.
529 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
531 2000-11-01 Richard Henderson <rth@redhat.com>
533 * stmt.c (expand_start_null_loop): New.
534 (expand_end_null_loop): New.
535 * c-semantics.c (genrtl_do_stmt): Use them.
536 * tree.h: Declare them.
538 2000-11-01 Richard Henderson <rth@redhat.com>
540 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
542 2000-11-01 Neil Booth <neilb@earthling.net>
544 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
545 * cp/spew.c: Similarly.
546 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
547 * cppmacro.c (stringify_arg): Similarly.
548 * cpplib.h (CPP_BACKSLASH): Delete.
550 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
552 * builtins.c (expand_builtin_strstr): New function.
553 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
555 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
557 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
560 2000-10-31 Richard Henderson <rth@redhat.com>
562 * config/i386/i386.c (fcmov_comparison_operator): Check for
563 CCFPmode or CCFPUmode instead of CCmode.
564 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
565 unordered operations as well.
567 2000-10-31 Richard Henderson <rth@redhat.com>
569 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
570 of integer_zero_node.
572 2000-10-31 Richard Henderson <rth@redhat.com>
574 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
576 2000-10-31 Nick Clifton <nickc@redhat.com>
578 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
579 -fdata-sections to override the section attribute of a DECL.
581 2000-10-31 Chris Demetriou <cgd@sibyte.com>
583 * libgcc2.c (__shtab): Remove __shtab variable.
584 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
585 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
588 2000-10-31 Jim Wilson <wilson@redhat.com>
590 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
591 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
592 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
593 instead of ASM_OUTPUT_INTERNAL_LABEL.
594 (dwarf2out_end_block, dwarf2out_label): Likewise.
595 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
596 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
598 2000-10-31 Richard Henderson <rth@redhat.com>
600 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
601 (size_of_locs): Set it.
602 (output_loc_operands): Use it to compute branch displacement.
603 (int_loc_descriptor): New.
604 (mem_loc_descriptor): Dereference memory in the proper size.
605 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
606 (loc_descriptor_from_tree): New.
607 (rtl_for_decl_location): Break out from ...
608 (add_location_or_const_value_attribute): ... here.
609 (add_bound_info): Use loc_descriptor_from_tree.
611 2000-10-31 Neil Booth <neilb@earthling.net>
613 * cpp.texi: Update for new command line assertion syntax.
614 * cpplib.c (cpp_define): Simplify a bit.
615 (cpp_assert, cpp_unassert): Use handle_assertion.
616 (handle_assertion): New function; accept new command line
618 * testsuite/gcc.dg/cpp/assert3.c: New tests.
620 2000-10-31 Neil Booth <neilb@earthling.net>
622 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
623 undefined. Remove #ifdef check.
624 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
625 Define STDC_0_IN_SYSTEM_HEADERS to 1.
627 2000-10-31 Jan Hubicka <jh@suse.cz>
628 Jakub Jelinek <jakub@redhat.com>
630 * config/i386/i386.h: Clarify CCNOmode description in comment.
631 (EXTRA_CC_MODES): Remove CCRCmode.
632 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
633 (put_condition_code, ix86_match_ccmode): Likewise.
634 (ix86_cc_mode): Likewise. Fix comment.
635 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
636 * config/i386/i386.md: Add unspec 12 description.
637 (adddi3 split): Use unspec 12 instead of CCRCmode.
638 (addsi3_carry_rc): Remove.
639 (addsi3_cc, addqi3_cc): New patterns.
640 (addsi_3): Swap operands, match CCZmode.
641 (addsi_4): Rewritten.
642 (addsi_5): Renamed from addsi_6.
644 (addhi_3): Swap operands, match CCZmode.
645 (addhi_4): Rewritten.
646 (addhi_5): Renamed from addhi_6.
648 (addqi_3): Swap operands, match CCZmode.
649 (addqi_4): Rewritten.
650 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
651 (subsi3_carry_rc): Removed.
652 (iorqi_3): Use =q constraint for clobber.
653 (xorqi_cc_2): Likewise.
654 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
655 (x86_movsicc_0_m1_rc): Removed.
656 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
658 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
660 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
661 and decrement of complex types.
663 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
665 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
666 builtin fputs, ensure we still evaluate the stream in case it
669 2000-10-31 Jakub Jelinek <jakub@redhat.com>
671 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
674 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
676 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
677 (fp_extended_operand, emit_fpscr_use): Likewise.
678 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
679 (fpul_operand): New function.
680 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
681 fp_extended_operand. Add fpul_operand.
682 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
683 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
684 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
685 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
686 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
687 (divdf3_i): Likewise.
688 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
689 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
690 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
691 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
692 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
694 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
696 * config/i386/i386.c (ix86_init_builtins): Correct return type
697 building v4hi_ftype_v4hi_int_int tree node.
698 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
699 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
701 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
703 (mmx__uavgv8qi3): Correct insn mnemonic.
704 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
705 (mmx_punpckhwd): Correct insn mnemonic.
706 (mmx_punpckhdq): Likewise.
707 (mmx_punpcklwd): Likewise.
708 (mmx_punpckldq): Likewise.
709 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
710 Renumber case labels to match the _mm_prefetch constants defined in
713 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
714 if the splitter didn't emit new insns.
715 Make sure we call cleanup_subreg_operands even when splitting the last
716 insn in a basic block.
718 * invoke.texi (Debugging Options): Describe -do.
719 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
720 (dump_file): Likewise.
721 (rest_of_compilation): Split .greg dump into .greg and .postreload.
723 2000-10-30 Neil Booth <neilb@earthling.net>
725 * cppfiles.c (stack_include_file): Check for stacked contexts
727 * cpphash.h (_cpp_do__Pragma): New prototype.
728 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
730 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
731 escaped newlines if !(buffer->from_stage3).
732 (_cpp_lex_token): Warn about missing newlines iff
733 !buffer->from_stage3.
735 * cpplib.c (get__Pragma_string, destringize,
736 _cpp_do__Pragma): New functions.
737 (run_directive): Set output_line for _Pragma to avoid line
738 markers in output. Set from_stage3 and prevent macro expansion
739 for _Pragma and command-line options. Check buffer exhaustion.
740 (cpp_push_buffer): Don't check for stacked macro contexts, as
741 this is perfectly legitimate for _Pragma. Move the check to
742 stack_include_file instead. Set from_stage3 iff buffer is
745 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
746 unsigned. New boolean from_stage3.
747 (struct spec_nodes): Add n__Pragma.
749 * cppmacro.c (enter_macro_context): Flip sense of return value.
750 (_cpp_get_token): Handle _Pragma operator.
752 2000-10-30 Phil Edwards <pme@sources.redhat.com>
754 * gcc.texi: The C++ standard isn't "draft" anymore.
756 2000-10-30 Mark Mitchell <mark@codesourcery.com>
758 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
760 2000-10-29 Neil Booth <neilb@earthling.net>
762 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
764 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
766 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
767 fixinc/inclhack.def: Change comments mentioning C9X to refer to
770 * invoke.texi: Document that -V will only work for very similar
771 versions of driver and compiler.
773 2000-10-29 Neil Booth <neilb@earthling.net>
775 * cppmacro.c (_cpp_create_definition): Optimize the case of
776 a macro defined to itself.
778 2000-10-29 Neil Booth <neilb@earthling.net>
780 * cpplex.c (save_comment): Don't store new lines in C++ comments.
782 2000-10-29 Michael Hayes <mhayes@redhat.com>
784 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
786 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
788 * cpphash.c (cpp_forall_identifiers): Add context variable
789 for callback routine.
790 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
792 (main): Call cpp_forall_identifiers with null context.
793 * cpplib.h (cpp_forall_identifiers): Update prototype.
795 * cppmain.c: Make `parse_in' and `print' static.
797 2000-10-28 Alan Modra <alan@linuxcare.com.au>
799 * c-decl.c (finish_function): Clear c_function_name_declared_p.
801 2000-10-28 Richard Henderson <rth@redhat.com>
803 * regrename.c (scan_rtx_address): Frob action, not class,
804 when trying to disable optimization.
806 2000-10-28 Mark Mitchell <mark@codesourcery.com>
808 * c-semantics.c (make_rtl_for_local_static): Don't clobber
811 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
813 * configure.in: Determine and substitute gcc_version_full.
814 * configure: Regenerate.
815 * gccbug.in: Use it to give full version. Don't allow
818 2000-10-28 Richard Henderson <rth@redhat.com>
820 * recog.c (split_all_insns): Run cleanup_subreg_operands
823 * regrename.c (regrename_optimize): Verify that all registers of
824 a multiple register mode are available.
825 (scan_rtx_address): Accept the mode of the address; all callers
828 * cpplib.c (run_directive): Fix prototype.
830 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
832 * reload.c (find_reloads): Distinguish "wins" so that we know whether
833 a given operand won because of a matching constraint or not; then use
834 that information to compute goal_alternative_matched properly.
835 * reload1.c (choose_reload_regs): Never set reload_override_in for an
838 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
839 accurate value for MULT.
840 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
841 2% or > 98% before using static branch prediction bits.
843 2000-10-28 Neil Booth <neilb@earthling.net>
847 * cpplib.c (struct answer): New.
848 (struct if_stack): Use cpp_lexer_pos rather than line and col.
849 Rename cmacro mi_cmacro.
850 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
851 IN_I): New directive and flags.
852 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
853 parse_answer, parse_assertion, find_answer): New functions.
854 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
855 (lex_macro_node): New function to replace parse_ifdef and
858 (_cpp_handle_directive): New function, combines _cpp_check_directive
859 and _cpp_check_linemarker.
861 (do_define, do_undef, parse_include, do_include, do_import,
862 do_include_next, read_line_number, do_line, do_ident, do_pragma,
863 do_pragma_once, do_pragma_poison, do_pragma_dependency):
864 Update for new token getting interface.
866 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
867 : Update for new multiple-include optimisation technique.
868 (do_elif): Don't forget to invalidate controlling macros.
870 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
871 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
872 Functions to handle assertions with the new token interface.
873 (do_assert, do_unassert): Use them.
875 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
878 (_cpp_init_stacks): Register directive names. Don't register special
881 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
882 new position recording regime.
883 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
884 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
885 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
886 (cpp_type2name): Move to cpplex.c.
888 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
889 (parse_defined): Update to handle new multiple include optimisation
890 method. Remove poisoned identifier warning.
891 (parse_assertion, TYPE_NAME): Delete.
892 (lex): Update for multiple include optimisation, removal of
893 CPP_DEFINED, to use _cpp_test_assertion for assertions and
895 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
896 (op_as_text): New function, to wrap cpp_token_as_text.
898 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
899 Update for MI optimisation.
900 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
901 segfault on diagnostic.
902 (_cpp_compare_file_date): Take a token rather than 3 args.
903 (cpp_read_file): Work correctly for zero-length files.
905 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
906 _cpp_init_hashtable and _cpp_cleanup_hashtable.
907 (cpp_lookup): Place identifiers at front of identifier pool
908 for _cpp_lookup_with_hash.
909 (_cpp_lookup_with_hash): Require identifiers to be at the front of
910 the identifier pool. Commit the memory if not already in the
913 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
914 Initialise various members of cpp_reader, memory pools, and the
916 (cpp_printer_init): Delete.
917 (cpp_cleanup): Update.
918 (struct builtin, builtin_array, initialize_builtins): Update for new
919 hashnode definition and builtin handling.
920 (cpp_start_read, cpp_finish): Don't take or initialise a
923 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
924 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
925 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
926 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
927 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
928 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
929 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
930 struct toklist, struct cpp_context, struct specnodes,
931 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
932 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
933 enum builtin_type, cpp_can_paste): New.
934 (struct cpp_token): Delete line and col members.
935 (struct cpp_buffer): New member output_lineno.
936 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
937 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
938 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
939 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
940 base_context, context, directive, mi_state, mi_if_not_defined,
941 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
942 mlstring_pos, macro_buffer, macro_buffer_len.
943 Delete members mls_line, mls_column, token_list, potential_control_macro,
944 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
945 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
946 save_parameter_spellings, need_newline, .
947 Change type of date, time and spec_nodes members.
948 Change prototypes for include and ident callbacks.
949 (struct cpp_hashnode): Change type of name. Remove union members
950 expansion and code. Add members macro, operator and builtin.
952 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
953 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
954 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
955 cpp_stop_lookahead): New prototypes.
956 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
958 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
961 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
962 ufputs): Move to cpplib.h.
963 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
964 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
965 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
966 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
967 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
968 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
969 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
970 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
971 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
972 _cpp_parse_assertion, _cpp_find_answer): Delete.
973 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
974 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
975 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
976 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
977 _cpp_handle_directive, DSC): New.
978 (struct include_file): New member defined.
980 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
981 _cpp_compare_file_date): Update.
982 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
983 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
984 _cpp_cleanup_hashtable.
986 * Makefile.in: Remove cppoutput.c.
988 * cppoutput.c: Delete
990 * fixheader.c (read_scan_file): Update for new cpp_get_token
992 (recognized_function): New argument LINE.
994 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
995 new cpp_get_token prototype.
997 * scan.h (recognized_function): Update prototype.
999 * po/POTFILES.in: Remove cppoutput.c.
1001 2000-10-27 Mark Mitchell <mark@codesourcery.com>
1003 * c-typeck.c (check_init_type_bitfields): Remove.
1004 (constructor_incremental): Likewise.
1005 (struct constructor_stack): Remove incremental bit.
1006 (struct initializer_stack): Likewise.
1007 (start_init): Don't play with constructor_incremental.
1008 (finish_init): Likewise.
1009 (really_start_incremental_init): Likewise.
1010 (push_init_level): Likewise.
1011 (pop_init_level): Likewise.
1012 (output_init_level): Likewise.
1013 (output_pending_init_elements): Likewise.
1015 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
1017 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
1018 Improve error messages. Correct parsing of
1019 #pragma pack(pop [,id]). Do not check the user-supplied
1020 alignment if we're popping.
1022 * gcc.dg/pack-test-1.c: New test case.
1023 * gcc.dg/pack-test-2.c: New test case.
1024 * gcc.dg/pack-test-1.h: New file.
1026 2000-10-27 Neil Booth <neilb@earthling.net>
1030 2000-10-27 Kelley Cook <kelley.cook@home.com>
1032 * invoke.texi: Document -mintel-syntax
1034 2000-10-27 Richard Henderson <rth@redhat.com>
1036 * invoke.texi: Document -frename-registers. Add it to -O3.
1037 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
1038 (enum dump_file_index, dump_file): Update order.
1039 (main): Set flag_rename_registers at -O3.
1041 2000-10-27 Richard Henderson <rth@redhat.com>
1043 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
1044 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
1045 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
1046 * config/alpha/alpha.md (call_osf_1): Use it.
1047 (call_value_osf_1): Likewise.
1049 * config/ia64/ia64.c: Revert 10-23 patch.
1050 (ia64_hard_regno_rename_ok): New.
1051 * config/ia64/ia64-protos.h: Declare it.
1052 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
1054 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
1055 Richard Henderson <rth@redhat.com>
1057 * regrename.c: Rewrite to handle multi-register modes and
1058 cond_exec instructions.
1059 * Makefile.in (regrename.o): Update dependancies.
1060 * recog.h (struct operand_alternative): Add is_address.
1061 * recog.c (preprocess_constraints) [case 'p']: Set it.
1063 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
1065 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
1066 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
1067 top level. Kill oldstyle_subdirs. Do not include
1068 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
1069 $outputs. Do not run configure.lang from config.status.
1070 Rearrange warning-flag logic to correspond to what the
1071 makefile wants. Put special vax stage1 options in
1072 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
1073 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
1074 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
1075 switch is given, nothing otherwise.
1076 * configure.lang: Delete.
1078 * Makefile.in: Expunge all traces of extra_c_objs,
1079 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
1080 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
1081 warning options via a three level scheme so that -pedantic and
1082 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
1083 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
1084 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
1085 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
1086 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
1087 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
1088 generation rules. Wrap all rules that change the current
1089 directory in parentheses; pmake doesn't spawn a new shell for
1090 each command. Expunge all references to $(P). When one
1091 command depends on another and they're run all at once, use &&
1092 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
1093 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
1096 * objc/Make-lang.in: Wrap all rules that change the current
1097 directory in parentheses. Expunge all references to $(P).
1098 When one command depends on another and they're run all at
1099 once, use && to separate them, not ;. Add OUTPUT_OPTION to
1100 all object-file generation rules. Delete obsolete variables.
1101 * objc/Makefile.in: Delete.
1103 2000-10-27 Jakub Jelinek <jakub@redhat.com>
1105 * calls.c (expand_call): If sibcall_failure is set during pass 1,
1106 clear tail_call_insns as well.
1108 2000-10-27 Nick Clifton <nickc@redhat.com>
1110 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
1113 2000-10-26 Richard Henderson <rth@redhat.com>
1115 * calls.c (expand_call): Supress sibcall if we have a
1116 BLKmode return in registers.
1118 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
1120 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
1123 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
1125 * tree.c (make_node, case 't'): Set alignment to that of
1127 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
1129 2000-10-25 Mark Mitchell <mark@codesourcery.com>
1131 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
1132 * configure.in (enable-libstdcxx-v3): Arrange to have
1133 HAVE_LIBSTDCXX_V3 substituted into the output files.
1135 2000-10-25 Richard Henderson <rth@redhat.com>
1137 * recog.c (constrain_operands): Initialize which_alternative
1138 before no alternatives early exit.
1140 * cse.c (find_comparison_args): Check that we can reverse a
1141 comparison if needed before accepting the substitution.
1143 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
1145 * simplify-rtx.c (simplify_relational_operation): Sign extend
1146 low words before sign extending to high words.
1148 2000-10-25 Nick Clifton <nickc@redhat.com>
1150 * config/mcore/mcore.c: Include config.h before system.h.
1152 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
1154 * config/mcore/mcore.md (return): Force function epilogue to
1155 always be generated to work around epilogue suppression bug in
1158 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
1160 * c-decl.c (grokdeclarator): Move warning for qualified void
1161 return types with -pedantic to when the function type is
1162 constructed. At -W, warn in general for qualified function return
1163 types, except for volatile void.
1164 * invoke.texi: Document this new warning at -W.
1166 2000-10-25 Neil Booth <neilb@earthling.net>
1168 * cpp.texi: Update with implementation-defined behavior and
1171 2000-10-25 Jakub Jelinek <jakub@redhat.com>
1173 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
1174 incomplete type force it into alias set 0.
1176 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
1178 * alias.c: Include basic-block.h.
1179 (loop_p): New function.
1180 (mark_constant_function): Use it.
1181 * Makefile.in (alias.o): Update dependencies.
1183 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
1185 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
1188 2000-10-24 Jim Wilson <wilson@cygnus.com>
1190 * expmed.c (store_bit_field): Move integer pun code down after
1191 code that calls emit_move_insn for entire register move.
1192 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
1193 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
1195 2000-10-24 Richard Henderson <rth@cygnus.com>
1197 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
1198 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
1200 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
1202 * gcse.c (cprop_insn): do not propagate constants into jump_insn
1203 for machines with CC0 more than once.
1205 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
1207 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
1208 pseudos just like memory.
1210 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
1212 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
1213 when deleting libcall sequence collapsed to a single instruction.
1215 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
1217 * expr.c (do_store_flag): Don't crash if either side of a
1218 comparison is error_mark_node.
1220 2000-10-24 Jakub Jelinek <jakub@redhat.com>
1222 * sibcall.c (purge_mem_unchanging_flag): New function.
1223 (optimize_sibling_and_tail_recursive_calls): Call it.
1225 2000-10-24 Philipp Thomas <pthomas@suse.de>
1227 * Makefile.in (check-po): New target for doing checks in the po
1228 subdir if all languages configured.
1229 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
1230 configure if NLS is enabled.
1231 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
1232 otherwise leave empty.
1233 * configure: Regenerate.
1235 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1237 * i386.c (print_operand): Handle new 'A' formatting code.
1238 387 opcodes need suffixes even with -mintel-syntax.
1239 Check for explicit size override (codes 'b', 'w' and 'k').
1240 (print_operand_address): Check if register prefix is needed when
1241 emitting `ds' segment override.
1242 * i386.h: Add comment about new 'A' formatting code.
1243 * i386.md (jump and call patterns): Emit absolute references using %A.
1245 2000-10-23 Richard Henderson <rth@cygnus.com>
1247 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
1248 output registers as fixed.
1249 (ia64_function_epilogue): Undo output fixation.
1251 2000-10-23 Richard Henderson <rth@cygnus.com>
1253 * config/alpha/alpha.md: Add names for all unnamed insns; use
1254 define_insn_and_split in some obvious places.
1256 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
1257 (zero_extendqisi2, zero_extendqidi2): Likewise.
1258 (zero_extendhisi2, zero_extendhidi2): Likewise.
1259 (abs splitters): Fix match_scratch operand number.
1260 (bcc_reverse): Swap pc & label instead of non-canonical compare.
1262 2000-10-23 Jim Wilson <wilson@cygnus.com>
1264 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
1266 * ia64.md (cmpsi_adjusted): Use %r3.
1267 (cmpdi_adjusted): Likewise.
1269 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1271 * config/i386/att.h (ASM_FILE_START): Define.
1273 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1275 * config/i386/linux.h (ASM_FILE_START): Define.
1277 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
1279 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
1280 since this (only) drags in a crt0.o reference that the .ld files
1283 2000-10-23 Geoff Keating <geoffk@cygnus.com>
1285 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
1286 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
1287 reloads just like an RELOAD_FOR_OUTPUT would.
1289 * local-alloc.c (update_equiv_regs): Add an abort(). When
1290 deleting or moving insns, update reg_equiv[regno].init_insns.
1292 2000-10-23 Mark Mitchell <mark@codesourcery.com>
1294 * c-tree.texi: Improve documentation for IF_STMTs and related
1295 conditional statements.
1297 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1299 * expr.c (do_preexpand_calls): Remove.
1300 (same_from_p): Don't use CALL_EXPR_RTL.
1301 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
1302 (preexpand_calls): Remove.
1303 * tree.c (first_rtl_op): Remove CALL_EXPR case.
1304 (unsave_expr_1): Likewise.
1305 * tree.def (CALL_EXPR): Give it only two slots.
1306 * tree.h (CALL_EXPR_RTL): Remove.
1308 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
1310 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
1311 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1314 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
1316 * calls.c (combine_pending_stack_adjustment_and_call): Don't
1317 adjust stack when unadjusted_alignment ends up as zero.
1319 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
1321 * fixinc/genfixes: Remove EGCS reference.
1322 * install.texi: Remove EGCS reference.
1323 * INSTALL: Regenerate.
1325 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1327 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
1329 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
1331 * diagnostic.c: Remove EGCS reference in comment.
1333 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1335 * loop.c (strength_reduce): Fix error in last change.
1337 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1339 * Makefile.in (SHLIB_NM_FLAGS): New.
1340 (libgcc.mk): Pass it.
1341 * mklibgcc.in (libgcc.map): Use it.
1343 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
1344 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
1346 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1348 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
1350 * sparc.c (load_pic_register): Delete unused varaible.
1352 * libgcc2.c (__addvsi3): Delete unused variable.
1354 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
1355 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
1356 __negvdi2): Prototype.
1358 * ssa.c (apply_delayed_renames): Avoid undefined operation.
1360 * toplev.c (display_target_options): Make static to match
1361 prototype. Delete empty declaration.
1363 2000-10-20 Tom Tromey <tromey@cygnus.com>
1365 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1366 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1368 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1370 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
1372 (expand_expr_unaligned, case ARRAY_REF): Check that index is
1373 a constant before comparing it; use tree_low_cst.
1374 * tree.c (save_expr): Set TREE_READONLY.
1375 (substitute_expr): Return inside of NON_LVALUE_EXPR.
1376 (build, build1): Set TREE_READONLY if all operands are.
1377 (build_index_type): If upper bound is a negative number, lower
1378 bound is zero and sizetype is unsigned, use upper bound of one and
1381 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1383 * gcc.c (process_command, main): Use "because" instead of
1384 "since" in error messages.
1386 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1388 * stor-layout.c (compute_record_mode): Use tree_low_cst.
1389 Don't use mode of field for record unless sizes are the same.
1390 (layout_type, case ARRAY_TYPE): Remove special bounds handling
1391 previously added for Ada; also change to using host_integerp
1394 * loop.c (strength_reduce): Show when new register made for
1395 giv is known to be a pointer and its aligment if so and known.
1396 (loop_dump_aux): Show VERBOSE parameter unused.
1398 * gcse.c (set_hash_table_size): Now unsigned.
1399 * sdbout.c (template_name_p): Add "const" to avoid warnings.
1400 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
1401 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
1402 (sdbout_end_epilogue): Remove variable NAME.
1403 * system.h (getopt): Add default definition.
1404 * config/alpha/alpha.c (print_operand): Don't continue processing
1405 after issuing error.
1406 (summarize_insn): Avoid use of UL in constant.
1408 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
1410 * fold-const.c (force_fit_type): Unsigned values can overflow
1411 if they are sizetype.
1412 (int_const_binop): Don't use cache if overflows.
1414 2000-10-20 Richard Henderson <rth@cygnus.com>
1416 * function.c (locate_and_pad_parm): Zero alignment_pad.
1418 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
1419 perform substitutions, and apply_change_group to see if it worked.
1421 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1423 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
1425 * combine.c (struct undo): Change int to unsigned int.
1426 (do_SUBST_INT): Args are unsigned int.
1427 (make_extraction, force_to_mode): Use proper type when forming mask.
1428 (make_field_assignment): Likewise.
1430 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
1432 * c-common.c (check_format_info_recurse): Extract string constant
1433 initializers from non-volatile constant arrays and check them as
1435 * c-typeck.c (decl_constant_value): Don't check pedantic or check
1436 for DECL_MODE (decl) != BLKmode.
1437 (decl_constant_value_for_broken_optimization): New function which
1438 includes these checks.
1439 (default_conversion, convert_for_assignment, digest_init): Use
1440 decl_constant_value_for_broken_optimization instead of
1441 decl_constant_value.
1443 2000-10-20 Mark Mitchell <mark@codesourcery.com>
1445 * tree.h (DECL_ALIGN_UNIT): New macro.
1447 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
1449 * config/avr/avr-protos.h (avr_output_bld): New.
1450 (out_shift_with_cnt): Add t_len argument.
1451 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
1452 (output_movqi, output_movhi, output_movsisf): Optimize loading
1453 any constant with exactly one bit set to NO_LD_REGS.
1454 (out_shift_with_cnt): Optimize output code for size or speed,
1455 depending on optimize_size. Handle small shift counts as well
1456 (if not hand-optimized in ?sh??i3_out). Shifts can be done
1457 with or without a scratch register, with help of __tmp_reg__
1458 or __zero_reg__ if necessary. Add T_LEN argument to pass the
1459 length of TEMPLATE in words, return total insn length in *LEN.
1460 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
1461 out_shift_with_cnt to work with the above change.
1462 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
1463 lshrsi3_out): Likewise. Optimize more known shift count cases.
1464 Remove cases already well optimized in out_shift_with_cnt.
1465 (avr_output_bld): New function.
1466 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
1467 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
1468 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
1469 Add reload_completed to insn condition - only for peepholes.
1470 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
1471 in a register or memory.
1472 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
1473 Do not require a scratch register.
1474 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
1475 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
1476 Optimize shifts by known count using a scratch register, but only
1477 if one is still available after register allocation.
1479 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1481 * t-vax: New file. Don't build modules from libgcc1.c.
1483 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
1485 * alias.c: (mark_constant_function): Don't check pure functions.
1486 Initialize and end alias analysis.
1487 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
1488 Don't make a special exception for recursion. Handle
1489 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
1490 unless it's volatile.
1492 * local-alloc.c (equivalence): New structure.
1493 (reg_equiv): Define.
1494 (contains_replace_regs): Remove array and use
1496 (memref_referenced_p): Likewise.
1497 (no_equiv): Likewise.
1498 (update_equiv_regs): Likewise.
1500 (equiv_init_varies_p,
1501 equiv_init_movable_p): New functions.
1502 (update_equiv_regs): Use them. Use rtx_varies_p
1503 instead of function_invariant_p. Process insns
1504 from end to beginning. Allow a REG_EQUIV insn
1505 within the same loop as a use to be moved, also
1506 allow it to be moved out of a loop. Update
1507 REG_DEAD notes when substituting into an insn.
1509 2000-10-19 Jim Wilson <wilson@cygnus.com>
1511 * c-decl.c (start_decl): Check for error_mark_node type before using
1513 (finish_decl): Likewise. Don't give an error if decl type is
1514 already error_mark_node.
1516 * haifa-sched.c (compute_trg_info): Add explanatory comments.
1517 New local update_blocks. Use update_blocks to remove duplicates
1518 when computing update blocks. Check for bblst_table overflow.
1519 (schedule_block): Add explanatory comment. Reduce bblst_size by
1521 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
1524 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1526 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
1528 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1530 * expmed.c: Minor corrections in comments.
1531 * invoke.texi: Added desciption for the new option -ftrapv.
1533 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1535 * libgcc2.c: Added the missing #endif.
1537 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1539 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
1541 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
1543 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
1544 Use smulv_optab for -ftrapv.
1545 (expand_mult_highpart): Use unsigned multiply.
1546 (expand_divmod): Special-case division by -1.
1547 For EXACT_DIV_EXPR, do right shift first, then the multiply.
1548 For complex divide, use abs with unsigned result.
1549 * expr.c (force_operand): Use unsigned multiply.
1550 (expand_expr): Use overflow-trapping optabs for signed types if
1552 If flag_trapv, don't generate a recursive call with EXPAND_SUM
1553 if the type is signed and the original call wasn't EXPAND_SUM or
1555 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
1556 (negv_optab, absv_optab): Declare.
1557 * flags.h (flag_trapv): Declare.
1558 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
1559 smulv_optab, sdivv_optab, negv_optab and absv_optab.
1560 (gen_insn): Interpret '$P' as requiring an integer mode,
1561 including partial integer modes.
1562 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
1563 (product_cheap_p): Use unsigned expand_mult.
1564 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
1565 (negv_optab, absv_optab): Define.
1566 (expand_binop): Use overflow-trapping optabs for signed types if
1568 Handle negv_optab libe neg_optab.
1569 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
1570 Use overflow-trapping optabs for signed result if flag_trapv.
1571 (expand_complex_abs): Use overflow-trapping optabs for signed types if
1573 Don't open-code complex absolute-value operation for flag_trapv.
1574 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
1575 sdivv_optab, negv_optab and absv_optab.
1576 * toplev.c (flag_trapv): Define.
1577 (lang_independent_options f_options): Include flag_trapv.
1578 * tree.h (TYPE_TRAP_SIGNED): Define.
1579 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
1580 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1582 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
1583 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
1585 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
1586 David V. Henkel-Wallace <gumby@cygnus.com>
1588 * config/i386/t-netware: Bring in from the Red Hat tree.
1589 * config/i386/netware.h: Likewise.
1590 * config/netware.h: Likewise.
1591 * config/rs6000/netware.h: Delete.
1592 * configure.in: Add i[34567]86-*-netware.
1593 * configure: Hand-edit to match configure.in change.
1595 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1597 * c-common.h (flag_no_builtin): Declare.
1598 (flag_no_nonansi_builtin): Likewise.
1599 (c_common_nodes_and_builtins): Change prototype.
1600 * c-common.c (flag_no_builtin): New variable.
1601 (flag_no_nonansi_builtin): Likewise.
1602 (c_common_nodes_and_builtins): Remove parameters. Adjust
1604 * c-decl.c (flag_no_builtin): Remove.
1605 (flag_no_nonansi_builtin): Likewise.
1606 (init_decl_processing): Adjust call to
1607 c_common_nodes_and_builtins.
1609 2000-10-18 Marc Espie <espie@openbsd.org>
1611 * tm.texi (LIBGCC_SPEC): Synch with reality.
1613 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1615 * c-common.c (check_format_types): Check for writing through a
1616 NULL pointer argument.
1618 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1620 * tm.texi (Exception Region Output): Document
1621 DWARF_CIE_DATA_ALIGNMENT.
1622 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1624 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1625 DWARF_CIE_DATA_ALIGNMENT.
1627 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1629 * basic-block.h (struct loop): Delete fields pre_header_root
1630 and pre_header_trace and replace with pre_header_edges
1631 and num_pre_header_edges.
1632 * flow.c (flow_loop_dump): Dump pre_header_edges.
1633 (flow_loops_free): Free pre_header_edges.
1634 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1636 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1638 * contrib.texi: Update references to steering committee members
1639 and Jeff Law's entry.
1641 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1643 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1644 (maybe_read_dollar_number, check_format_info_main): Use them for
1645 pedantic warning messages.
1647 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1649 * c-common.c (check_format_info_main): Minor cleanup: move
1650 variables into inner scopes; initialize declarations where
1651 appropriate; don't hardcode "scanf" name on warning for zero
1654 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1656 * c-common.c (back_end_hook): New variable.
1657 * c-common.h (back_end_hook): Declare it.
1658 * c-lang.c (finish_file): Use it.
1660 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1663 2000-10-18 Jan Hubicka <jh@suse.cz>
1665 * i386.c (ix86_comparison_operator, put_condition_code,
1666 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1667 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1668 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1669 * i386.md (adddi and negdi splitter): Use CCRCmode.
1670 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1671 (subsi3_carry): add '*'
1672 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1673 (cmp to add peep2): Use CCRCmode; swap operands.
1675 2000-10-18 Kazu Hirata <kazu@hxi.com>
1677 * h8300.c: Fix a comment typo.
1678 (round_frame_size): New.
1679 (compute_saved_regs): Likewise.
1682 (push_order): Remove.
1683 (pop_order): Likewise.
1684 (function_prologue): Rearrange code for readability.
1685 (function_epilogue): Likewise.
1687 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1688 expander that is used when not optimizing. Output a tab after
1689 each assembly insns.
1691 * reorg.c: Fix formatting.
1693 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1695 * reload1.c (move2add_note_store): Check for simple
1696 auto-inc in destination.
1698 2000-10-17 Michael Chastain <chastain@redhat.com>
1700 * config/i386/i386-aout.h: define INT_ASM_OP.
1702 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1704 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1706 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1708 * i370.md: Fix spelling typo.
1710 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1712 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1713 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1715 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1716 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1719 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1720 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1722 * rs6000/aix.h: ...to here.
1723 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1725 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1727 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1729 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1730 sure linker can relax even the delay slot mov %g1,%o7, fix output
1733 2000-10-17 Kazu Hirata <kazu@hxi.com>
1735 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1736 expander that is used when not optimizing. Output a tab after
1737 each assembly insns.
1739 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1741 * gcc.c: New options --target-help.
1742 (process_command): Added code to parse this new option.
1743 * toplev.c (display_target_options): New function to support the
1745 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1746 (cpp_handle_option): Support this new option.
1747 * invoke.texi: Added notes about --target-help option.
1749 2000-10-17 Graham Stott <grahams@redhat.com>
1751 * config/i386/i386.md (testqi_1): Add missing operand prefix
1753 * config/i386/i386-protos.h: Add missing prototype.
1755 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1757 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1758 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1759 using -mintel-syntax.
1761 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1763 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1764 (format_types): Use it for printf.
1765 (maybe_read_dollar_number): Add parameter for the kind of format
1766 involved. Warn for multiple use for arguments if this is
1767 inappropriate for the kind of format involved.
1768 (check_format_info_main): Update calls to maybe_read_dollar_number.
1770 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1772 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1773 * fixincl.x: Rebuilt.
1775 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1777 * genrecog.c (write_switch): Return the first condition that needs a
1780 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1782 * c-tree.h (warn_sequence_point): Move declaration to...
1783 * c-common.h (warn_sequence_point): ... here.
1784 * c-decl.c (warn_sequence_point): Move definition to...
1785 * c-common.c (warn_sequence_point): ... here.
1786 (struct reverse_tree): New.
1787 (reverse_list, reverse_max_depth): New static variables.
1788 (build_reverse_tree, common_ancestor, modify_ok
1789 verify_sequence_points): New functions.
1790 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1791 * c-typeck.c (check_modify_expr): Delete.
1792 (build_modify_expr): Don't call it.
1794 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1796 * c-common.h (warn_missing_format_attribute): New variable.
1797 * c-decl.c (warn_missing_format_attribute): New variable.
1798 (c_decode_option): Decode -Wmissing-format-attribute and
1799 -Wno-missing-format-attribute.
1800 * c-common.c (check_function_format): If
1801 -Wmissing-format-attribute, give a warning where a vprintf or
1802 vscanf function is called by a function without its own printf or
1804 * toplev.c (documented_lang_options): Add
1805 -Wmissing-format-attribute.
1806 * invoke.texi: Document -Wmissing-format-attribute.
1808 2000-10-17 Marc Espie <espie@openbsd.org>
1810 * invoke.texi (-shared): Insist on requiring code generation flags
1811 to be used along with -shared, and document the subtle failure that
1812 may occur otherwise.
1814 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1816 * pa.md (return_internal): Move `use' after `return'.
1818 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1820 * machmode.def: Correct comment.
1822 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1824 * print-rtl.c (print_rtx_head): Constify.
1825 * rtl.h (print_rtx_head): Similarly.
1827 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1828 Constify char * return value.
1830 (output_64bit_and, output_64bit_ior): Constify char * return value.
1831 (pa_can_combine_p): Make static.
1832 (function_arg): Decorate unused `named' argument. Fix comment typo.
1833 (function_arg_partial_nregs): Decorate unused `named' argument.
1835 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1837 * c-common.c (format_check_results): New structure.
1838 (finish_dollar_format_checking): Adjust to take a
1839 format_check_results * parameter.
1840 (check_format_info, check_format_info_recurse,
1841 check_format_info_main): Split check_format_info into three
1842 functions, the main checking going in check_format_info_main.
1843 Recurse when any reduction of the format string argument towards a
1844 string literal is done; go down both branches of a conditional
1845 expression. Don't warn for extra format arguments or empty format
1846 strings if they only occur in some branches of a conditional
1849 2000-10-16 Kazu Hirata <kazu@hxi.com>
1851 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1853 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1855 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1857 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1859 * i386.md (*movsi_or): Switch operand order for intel syntax.
1861 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1865 * gcc.texi (Contributing): Update.
1867 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1869 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1870 appropriate assembler dialect.
1872 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1874 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1876 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1878 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1879 constants 1 and 2 to NO_LD_REGS.
1881 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1883 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1885 * objc/Make-lang.in (objc-parse.c): Likewise.
1887 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1889 * arm.c: Include obstack.h
1890 (minipool_obstack, minipool_startobj): Define.
1891 (arm_add_gc_roots): Initialize them.
1892 (create_fix_barrier): Use our new obstack.
1893 (push_minipool_barrier, push_minipool_fix): Likewise.
1894 (arm_reorg): Release obstack memory.
1896 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1898 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1899 (prologue, exception_receiver, builtin_setjmp_receiver): New
1901 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1902 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1903 (load_pic_register): New prototype.
1904 * config/sparc/sparc.c (pic_setup_code): Remove.
1905 (finalize_pic): Rename to...
1906 (load_pic_register): ...this function.
1907 Don't look for nonlocal_goto_receivers and emit pic setup code
1908 directly. Don't check current_function_uses_pic_offset_table.
1910 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1912 * tree.h (struct obstack): Declare.
1914 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1917 * Makefile.in (ggc-callbacks.o): Remove target.
1918 (flow.o): Depend on GGC_H.
1919 * alias.c (init_alias_analysis):
1920 Remove ggc_p conditionals.
1921 (end_alias_analysis): Likewise.
1922 * basic-block.h (init_flow): New function.
1923 (allocate_reg_life_data): Declare.
1924 * bb-reorder.c (function_obstack): Replace with ...
1925 (flow_obstack): ... new variable.
1926 (fixup_reorder_chain): Use it.
1927 * c-decl.c (ggc_p): Remove.
1928 (caller-save.c): Don't call oballoc/obfree.
1930 undobuf): Remove storage.
1931 (try_combine): Don't call oballoc.
1932 (undo_all): Don't call obfree.
1933 * cse.c (insert): Use xmalloc, not
1935 (cse_main): Adjust accordingly.
1936 * dwarf2out.c (save_rtx): Remove
1938 (dwarf2out_init): Remove ggc_p conditionals.
1939 * emit-rtl.c (rtl_obstack): Remove.
1940 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1941 (make_insn_raw): Likewise.
1942 (emit_insn_before): Likewise.
1943 (emit_insn_after): Likewise.
1944 (emit_insn): Likewise.
1945 (gen_sequence): Likewise.
1946 (copy_insn_1): Remove handling of `b' RTL components.
1947 (init_emit_once): Remove ggc_p conditionals.
1948 * except.c (create_rethrow_ref): Don't fool with obstacks.
1949 (add_partial_entry): Likewise.
1950 (call_get_eh_context): Likewise.
1951 (begin_protect_partials): Likewise.
1952 (protect_with_terminate): Likewise.
1954 (plus_constant_wide): Likewise.
1955 * expr.c (init_expr_once):
1957 (emit_block_move): Likewise.
1958 (clear_storage): Likewise.
1959 (expand_expr): Likewise.
1960 * flow.c (function_obstack): Remove.
1961 (flow_obstack): New variable.
1962 (flow_firstobj): Likewise.
1963 (create_base_block): Use the flow_obstack.
1964 (split_block): Likewise.
1965 (split_edge): Likewise.
1966 (calculate_global_regs_live): Likewise.
1967 (allocate_bb_life_data): Make it static. Likewiwse.
1968 (init_flow): New function.
1969 (size_int_type_wide): Remove ggc_p conditionals.
1971 (push_function_context_to): Don't call save_tree_status.
1972 (pop_function_context_from): Or restore_tree_status.
1973 (assign_stack_local_1): Don't call push_obstacks.
1974 (find_fixup_replacement): Use xmalloc.
1975 (fixup_var_refs_insns): Free the storage.
1976 (insns_for_mem_walk): Don't mess with obstacks.
1977 (instantiate_decls): Likewise.
1978 (trampoline_address): Likewise.
1979 (expand_function_end): Likewise.
1980 * function.h (sturct function):
1981 Remove obstack-related variables.
1982 (save_tree_status): Don't declare.
1983 (restore_tree_status): Likewise.
1984 * gcse.c (compute_can_copy):
1985 Don't call oballoc/obfree.
1986 * genattrtab.c (operate_exp): Remove
1988 (simplify_cond): Likewise.
1989 (simplify_test_exp): Don't mess with obstacks.
1990 (optimize_attrs): Likewise.
1991 * gengenrtl.c (gendef): Don't include
1993 * ggc-callbacks.c (ggc_p): Remove.
1994 * ggc-none.c (ggc_p): Remove.
1995 * ggc.h (ggc_p): Don't declare.
1996 * integrate.c (save_for_inline): Don't mess with obstacks.
1997 (integrate_decl_tree): Likewise.
1998 (output_inline_function): Likewise.
2000 (init_EXPR_INSN_LIST_cache): Likewise.
2001 * loop.c (temp_obstack):
2003 (rtl_obstack): Likewise.
2004 (init_loop): Don't mess with obstacks.
2005 (reg_address_cost): Free BIVs and GIVs.
2006 (check_insns_for_bivs): Use xmalloc, not oballoc.
2007 (find_mem_givs): Likewise.
2008 (record_biv): Likewise.
2009 (general_induction_var): Likewise.
2010 (product_cheap_p): Likewse.
2011 * optabs.c (init_one_libfunc): Remove
2013 * print-tree.c (debug_tree): Don't use
2015 (print_node): Likewise.
2016 * profile.c (output_func_start_profiler):
2017 Remove call to temporary_allocation.
2019 (eliminate_regs_in_insn): Don't mess with obstacks.
2021 (mark_target_live_regs): Use xmalloc.
2022 (free_resource_info): Free the memory.
2023 * rtl.c (rtl_obstack):
2025 (rtvec_alloc): Don't mess with obstacks.
2026 (rtx_alloc): Likewise.
2028 (copy_rtx): Don't handle `b' cases.
2029 (read_rtx): Use a local rtl_obstack.
2030 * rtl.h (oballoc): Remove.
2032 (pop_obstacks): Likewise.
2033 (push_obstacks): Likewise.
2034 (allocate_bb_life_data): Likewise.
2035 (allocate_reg_life_data): Likewise.
2036 (rtx_free): Likewise.
2037 * sdbout.c (sdbout_queue_anonymous_type):
2038 Use tree_cons, not saveable_tree_cons.
2040 (cselib_init): Don't mess with obstacks.
2042 (mark_block_nesting): Mark the label_chain.
2043 (epxand_label): Use ggc_alloc, not oballoc.
2044 (clear_last_expr): Don't mess with obstacks.
2045 (expand_decl_cleanup): Likewise.
2046 (expand_dcc_cleanup): Likewise.
2047 (expand_dhc_cleanup): Likewise.
2048 (expand_anon_union_decl): Likewise.
2049 (add_case_node): Use xmalloc, not oballoc.
2050 (free_case_nodes): New function.
2051 (expand_end_case): Call it.
2052 * stor-layout.c (layout_type): Don't
2054 (layout_type): Likewise.
2055 * toplev.c (wrapup_global_declarations):
2057 (compile_file): Remove ggc_p conditionals.
2058 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
2059 (decode_f_option): Remove ggc_p conditionals.
2061 (function_maybepermanent_obstack): Remove.
2062 (maybepermanent_obstack): Likewise.
2063 (function_obstack): Likewise.
2064 (tmeporary_obstack): Likewise.
2065 (momentary_obstack): Likewise.
2066 (temp_decl_obstack): Likewise.
2067 (saveable_obstack): Likewise.
2068 (rtl_obstack): Likewise.
2069 (current_obstack): Likewise.
2070 (expression_obstack): Likewise.
2071 (struct obstack_stack): Likewise.
2072 (obstack_stack): Likewise.
2073 (obstack_stack_obstack): Likewise.
2074 (maybepermanent_firstobj): Likewise.
2075 (temporary_firstobj): Likewise.
2076 (momentary_firstobj): Likewise.
2077 (temp_decl_firstobj): Likewise.
2078 (momentary_function_firstobj): Likewise.
2079 (all_types_permanent): Likewise.
2080 (struct momentary_level): Likewise.
2081 (momentary_stack): Likewise.
2082 (init_obstacks): Remove initialization of removed obstacks.
2083 (save_tree_status): Remove.
2084 (restore_tree_status): Likewise.
2085 (temporary_allocation): Liekwise.
2086 (end_temporary_allocation): Liekwise.
2087 (resume_temporary_allocation): Likewise.
2088 (saveable_allocation): Likewise.
2089 (push_obstacks): Likewise.
2090 (push_obstacks_nochange): Likewise.
2091 (pop_obstacks): Likewise.
2092 (allocation_temporary_p): Likewise.
2093 (permanent_allocation): Likewise.
2094 (preserve_data): Likewise.
2095 (preserve_initializer): Likewise.
2096 (rtl_in_current_obstack): Likewise.
2097 (rtl_in_saveable_obstack): Likewise.
2098 (oballoc): Likewise.
2100 (savealloc): Likewise.
2101 (expralloc): Likewise.
2102 (print_obstack_name): Likewise.
2103 (debug_obstack): Likewise.
2104 (object_permanent_p): Likewise.
2105 (push_momentary): Likewise.
2106 (perserve_momentary): Likewise.
2107 (clear_momentary): Likewise.
2108 (pop_momentary): Likewise.
2109 (pop_momentary_nofree): Likewise.
2110 (suspend_momentary): Likewise.
2111 (resume_momentary): Likewise.
2112 (make_node): Don't set TREE_PERMANENT.
2113 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
2114 Don't set TREE_PERMANENT.
2115 (get_identifier): Remove ggc_p conditionals.
2116 (build_string): Likewise.
2117 (make_tree_vec): Likewise.
2118 (build_decl_list): Remove.
2119 (build_expr_list): Likewise.
2120 (tree_cons): Remove ggc_p conditionals.
2121 (decl_tree_cons): Remove.
2122 (expr_tree_cons): Likewise.
2123 (perm_tree_cons): Likewise.
2124 (temp_tree_cons): Likewise.
2125 (saveable_tree_cons): Likewise.
2126 (build1): Remove ggc_p conditionals.
2127 (build_parse_node): Likewise.
2128 (build_type_attribute_variant): Don't mess with obstacks.
2129 (build_type_copy): Likewise.
2130 (type_hash_canon): Likewise.
2131 (build_pointer_type): Likewise.
2132 (build_reference_type): Likewise.
2133 (build_index_type): Likewise.
2134 (build_range_type): Likewise.
2135 (dump_tree_statistics): Don't print obstack information.
2137 (struct tree_common): Remove permanent_flag.
2138 (TREE_PERMANENT): Remove.
2139 (TREE_SET_PERMANENT): Likewise.
2140 (TYPE_OBSTACK): Likewise.
2141 (struct tree_type): Remove obstack.
2143 (savealloc): Likewise.
2144 (build_decl_list): Likewise.
2145 (build_expr_list): Likewise.
2146 (perm_tree_cons): Likewise.
2147 (temp_tree_cons): Likewise.
2148 (saveable_tree_cons): Likewise.
2149 (decl_tree_cons): Likewise.
2150 (expr_tree_cons): Likewise.
2151 (suspend_momentary): Likewise.
2152 (allocation_temporary_p): Likewise.
2153 (resume_momentary): Likewise.
2154 (push_obstacks_nochange): Likewise.
2155 (permanent_allocation): Likewise.
2156 (push_momentary): Likewise.
2157 (clear_momentary): Likewise.
2158 (pop_momentary): Likewise.
2159 (end_temporary_allocation): Likewise.
2160 (pop_obstacks): Likewise.
2161 (push_obstacks): Likewise.
2162 (pop_momentary_nofree): LIkewise.
2163 (preserve_momentary): Likewise.
2164 (saveable_allocation): Likewise.
2165 (temporary_allocation): Likewise.
2166 (resume_temporary_allocation): Likewise.
2167 (perserve_initializer): Likewise.
2168 (debug_obstack): Likewise.
2169 (rtl_in_current_obstack): Likewise.
2170 (rtl_in_saveable_obstack): Likewise.
2172 * varasm.c (current_obstack): Remove.
2173 (saveable_obstack): Remove.
2174 (rtl_obstack): Remove.
2175 (immed_double_const): Don't mess with obstacks.
2176 (immed_real_cons): Likewise.
2177 (output_constant_def): Likewise.
2178 (init_varasm_status): Use xcalloc.
2179 (mark_pool_constant): Mark the pool constant itself.
2180 (free_varasm_status): Free memory.
2181 (decode_rtx_const): Call bzero directly, rather than expanding it
2183 (record_rtx_const): Don't mess with obstacks.
2184 (force_const_mem): Likewise.
2185 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
2187 (aof_pic_entry): Likewise.
2188 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
2189 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
2190 * config/pa/pa.c (saveable_obstack): Remove.
2191 (rtl_obstack): Likewise.
2192 (current_obstack): Likewise.
2193 (output_call): Don't mess with obstacks.
2194 (hppa_encode_label): Remove ggc_p conditionals.
2195 * config/romp/romp.c (get_symref): Don't mess with obstacks.
2196 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
2197 (rs6000_encode_section_info): Likewise.
2198 * config/sh/sh.c (get_fpscr_rtx): Likewise.
2200 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
2202 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
2203 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
2204 (addsi3_carry): Canonicalize.
2205 (addqi_5): Remove '*'.
2206 (sbb pattern): Canonicalize.
2208 * i386.md (cmp to inc/add peep2): New.
2210 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
2212 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
2215 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2217 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
2218 * README.TRAD, TESTS.FLUNK: Remove.
2220 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2222 * c-common.c (decl_attributes): Don't allow strftime formats with
2223 first_arg_num nonzero.
2224 (check_format_info): Set wanted_type and wanted_type_name to zero
2225 before they are possibly assigned and used.
2227 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2229 * c-common.c (scanf_flag_specs): Add flags ' and I.
2230 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
2231 or the ^ and # flags together.
2232 (scan_char_table): Handle the ' and I flags.
2233 (format_types): Add ' and I flags for scanf.
2235 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2237 * c-common.c (print_char_table): Use the unpromoted type for
2238 lengths "h" and "hh" with conversions dioxXu.
2239 (check_format_types): Apply the default argument promotions where
2240 the wanted type is not a pointer target.
2242 2000-10-11 Michael Meeks <mmeeks@gnu.org>
2243 Joseph S. Myers <jsm28@cam.ac.uk>
2245 * c-typeck.c (check_modify_expr): New function.
2246 (build_modify_expr): Call it if warn_sequence_point.
2247 * c-decl.c (warn_sequence_point): New variable.
2248 (c_decode_option): Handle -Wsequence-point and
2249 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
2250 * c-tree.h (warn_sequence_point): Declare.
2251 * invoke.texi (-Wsequence-point): Document.
2252 * toplev.c (documented_lang_options): Add -Wsequence-point and
2253 -Wno-sequence-point.
2254 Original work by Michael Meeks, 16 Jun 1998.
2256 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2258 * tree.c (get_narrower): Don't look at precision of field if
2261 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
2263 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
2264 declaration for data with "progmem" attribute.
2266 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
2268 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
2269 Correct insn length if shift count is a memory operand.
2270 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
2271 (*iorhi3_clobber): Change lo8 to hi8.
2272 (zero_extendhisi2): Change %B0 to %A1.
2273 (ashlhi3, ashrhi3): Correct insn length.
2274 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
2275 from "clobber" to "set_n" in some alternatives.
2277 2000-10-10 Jakub Jelinek <jakub@redhat.com>
2279 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
2280 remove its insn_chain structure as well.
2282 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2284 * dbxout.c (dbxout_source_line): Remove extra tab.
2286 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
2288 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
2290 2000-10-09 Richard Henderson <rth@cygnus.com>
2292 * Makefile.in (LANG_LIB2FUNCS): Remove.
2293 (LIB2FUNCS): Remove _pure.
2294 (LIB2ADD): Remove LANG_LIB2FUNCS.
2295 (stage_a): Don't set LANG_LIB2FUNCS.
2296 * libgcc2.c (__terminate): Mark noreturn.
2297 (__pure_virtual): Remove.
2298 * mklibgcc.in: Remove LIB2ADD .txt processing.
2300 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2302 * arm.md (push_multi): Revert unintended change.
2304 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2306 * arm.c: Miscellaneous white space and comment clean-ups. No
2310 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2312 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
2313 STRING_CST by calling combine_strings.
2315 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2317 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
2318 (thumb_output_move_mem_multiple): Support new insn format.
2319 * arm.md (movmem12b): Use SSA compatible format.
2320 (movmem8b): Likewise.
2322 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2324 * arm.md (predicable): New attribute, default to "no".
2325 (all patterns): Mark as predicable if appropriate.
2326 (conditional execution splits): Split using predication format.
2327 (define_cond_exec): Define.
2328 * arm.c (arm_print_operand): handle insn predicate.
2330 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2332 * README.NS32K: Remove file.
2334 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2336 * README-bugs: Remove file.
2338 2000-10-08 Philipp Thomas <pthomas@suse.de>
2339 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
2341 * configure: Rebuilt.
2343 2000-10-08 Philipp Thomas <pthomas@suse.de>
2344 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
2345 disable catalog building if no suitable program was found.
2346 Move warning message from here
2347 (AM_GNU_GETTEXT): To here.
2348 * configure: Rebuilt.
2350 2000-10-08 Philipp Thomas <pthomas@suse.de>
2351 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
2352 different cache variables.
2353 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
2354 uses different cache variables.
2355 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
2356 * configure: Regenerated.
2358 2000-10-08 Richard Henderson <rth@cygnus.com>
2360 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
2361 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
2362 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
2365 * config/t-linux (SHLIB_EXT): New.
2366 (SHLIB_LINK): Use the entire build command, with substitutions.
2367 (SHLIB_LIBS): Remove.
2368 * config/alpha/t-osf4: Likewise.
2369 * config/mips/t-iris6: Likewise.
2370 * config/sparc/t-sol2: Likewise, but move shlib stuff...
2371 * config/sparc/t-slibgcc-sld: ...here.
2372 * config/sparc/t-slibgcc: New file.
2374 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2376 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
2377 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
2379 (intmax_type_node, uintmax_type_node): Define.
2380 * c-common.c (decl_attributes): If pedantic, warn if `mode'
2381 attributes create a type wider than intmax_t.
2382 (T_IM, T_UIM): Define properly.
2383 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
2385 (init_decl_processing): Initialize intmax_type_node and
2387 * c-lex.c (lex_number): When pedantic and warning for integer
2388 constants that are too large, in C99 mode warn for those that have
2389 a type wider than long long.
2391 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2393 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
2394 FMT_FLAG_FANCY_PERCENT_OK): Define.
2395 (format_char_info): Add flag "4" to comment.
2396 (format_flag_spec, format_flag_pair): New structures.
2397 (format_kind_info): Add additional fields to control format
2399 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
2400 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
2402 (time_char_table): Use "4" flag to handle %Ey.
2403 (format_types): Add entries for new fields.
2404 (get_flag_spec): New function.
2405 (check_format_info): Increase size of flag_chars[] to 256.
2406 Control format checking using the new fields of a format_kind_info
2407 and the new tables; remove all conditionals on printf_format_type,
2408 scanf_format_type or strftime_format_type. Handle all details of
2409 bad combinations of flags (including width, precision and strftime
2410 modifiers) through data rather than ad hoc code. Handle all
2411 details of standard versions in which flags appeared through
2412 data. Use the "4" flag.
2414 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
2416 * config/h8300/h8300.md: Remove the memory alternative and correct
2417 the insn lengths in the templates for sign extention and zero
2420 2000-10-07 Richard Henderson <rth@cygnus.com>
2422 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
2423 * flow.c (make_edges): Revert last change.
2425 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
2427 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
2429 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
2431 * config/alpha/elf.h: Standardize the formatting.
2433 2000-10-06 David O'Brien <obrien@FreeBSD.org>
2435 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
2438 2000-10-06 Richard Henderson <rth@cygnus.com>
2440 * function.c (diddle_return_value): Examine
2441 current_function_return_rtx instead of the DECL_RESULT.
2442 (expand_function_end): Handle reloading DECL_RESULT from memory
2443 into a hard register. Query promote_mode for sign of mismatched
2446 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2448 * haifa-sched.c (schedule_insns): Fix typo in freeing
2449 forward_dependency_cache.
2451 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2453 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
2454 `TARGET_SH2' as a condition.
2456 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2458 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
2459 forward_dependency_cache): New variables.
2460 (add_dependence, remove_dependence): Use anti_dependency_cache and
2461 output_dependency_cache.
2462 (compute_block_forward_dependences): Use forward_dependency_cache.
2463 (schedule_insns): Allocate and free memory for anti/output/forward
2464 dependencies caches.
2466 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2468 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
2469 `! TARGET_SH1'. Reindent.
2471 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2473 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
2474 Move functions from here ...
2476 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
2478 (c_expand_builtin): New function.
2479 (init_function_format_info): Don't set `check_function_format_ptr'.
2480 (c_common_nodes_and_builtins): Set built_in_class type for
2481 printf/__builtin_printf to BUILT_IN_FRONTEND.
2482 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
2484 * c-common.h (build_function_call): Declare.
2486 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
2487 to `lang_expand_expr' rather than `expand_builtin'.
2489 * tree.c (check_function_format_ptr): Delete.
2491 * tree.h (check_function_format_ptr): Likewise.
2493 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
2495 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
2496 DW_OP_bregx when cfa->reg > 31.
2498 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
2501 2000-10-05 Richard Henderson <rth@cygnus.com>
2503 * c-decl.c (warn_missing_noreturn): Remove.
2504 (c_expand_body): Don't set or check can_reach_end.
2505 * c-tree.h (warn_missing_noreturn): Move ...
2506 * flags.h: ... here.
2507 (can_reach_end): Remove.
2508 * flow.c (check_function_return_warnings): New.
2509 (make_edges): No edge to exit for noreturn sibcalls.
2510 * function.c (expand_function_end): Save the return value
2511 clobber instruction.
2512 (mark_function_status): Mark it.
2513 * function.h (struct function): Add x_clobber_return_insn.
2514 * jump.c (can_reach_end): Remove.
2515 (calculate_can_reach_end): Remove.
2516 (jump_optimize_1): Don't call it.
2517 * output.h (check_function_return_warnings): Declare.
2518 * toplev.c (warn_missing_noreturn): Move from c-decl.c
2519 (rest_of_compilation): Call check_function_return_warnings.
2521 2000-10-05 Richard Henderson <rth@cygnus.com>
2523 * Makefile.in (NM_FOR_TARGET): New.
2524 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
2525 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
2526 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
2527 shared library build on that and EXTRA_MULTILIB_PARTS.
2528 * mkmap-flat.awk: New file.
2529 * mkmap-symver.awk: New file.
2530 * libgcc-std.ver: New file.
2531 * config/libgcc-glibc.ver: New file.
2532 * config/ia64/libgcc-ia64.ver: New file.
2533 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2534 (SHLIB_LINK): Add --version-script.
2535 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
2536 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2537 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2538 (SHLIB_LINK): Add -M.
2540 2000-10-05 Richard Henderson <rth@cygnus.com>
2542 * Makefile.in (LIB2FUNCS): Add _clz.
2543 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
2544 (__clz_tab): Put in its own unit, non-static.
2545 * libgcc2.h: Always include longlong.h.
2547 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
2548 a zero instead of -1.
2549 (count_trailing_zeros): Likewise.
2551 2000-10-05 Richard Henderson <rth@cygnus.com>
2553 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
2554 when second op1 is const0_rtx. Validate op0 as a register.
2555 * config/alpha/alpha.md (setcc_internal): Don't allow constants
2556 in the first argument of the compare.
2557 (setcc_swapped_internal): Likewise.
2558 (setne_internal): Likewise.
2560 2000-10-05 Geoff Keating <geoffk@cygnus.com>
2562 * tree.c (tree_size): New function split out of copy_node.
2563 (make_node): Remove obstack handling. Use tree_size.
2564 (copy_node): Use tree_size.
2565 * tree.h: Prototype tree_size.
2567 2000-10-05 Richard Henderson <rth@cygnus.com>
2569 * diagnostic.c (output_format): Add missing break.
2571 2000-10-05 Jim Wilson <wilson@cygnus.com>
2573 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
2574 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
2575 sequence insn to INSN, and delete last sequence insn.
2577 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
2579 * gcc.c (main): Include generated configargs.h header
2580 and use arguments in '-v' output.
2582 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2584 * gcc.c: Move data on prefixes forward in file and reorganize.
2585 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
2586 Always define, but make null if no value.
2587 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2588 and "md_startfile_prefix_1".
2589 (main): Check whether md_exec_prefix and the others are the
2590 null string rather than whether the macro is defined.
2592 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2594 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2595 from PSImode to SImode.
2597 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2599 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2600 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2601 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2604 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2606 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2607 negation in proper type.a
2609 2000-10-04 Richard Henderson <rth@cygnus.com>
2611 * configure.in (enable-shared): New.
2612 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2613 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2614 * mklibgcc.in: Use them to link shared a libgcc.
2615 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2616 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2617 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2618 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2620 * configure.in (alpha-osf*): Use t-osf and x-osf.
2621 * config/alpha/t-osf: New file.
2622 * config/alpha/t-osf4: New file.
2623 * config/alpha/x-osf: New file.
2624 * config/alpha/x-alpha: Remove file.
2626 2000-10-04 Will Cohen <wcohen@redhat.com>
2628 * c-typeck.c (process_init_element): Added warning for zero-length
2631 * extend.texi (Zero Length): State that static initializers for
2632 zero-length arrays are not allowed.
2634 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2636 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2639 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2641 * config/float-c4x.h: New.
2642 * configure.in (c4x-*): Set float_format to c4x.
2643 * configure: Regenerate.
2645 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2647 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2648 compilation for solaris versions 2.7 and greater.
2650 2000-10-02 Marc Espie <espie@openbsd.org>
2652 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2653 instead of redefining from scratch.
2655 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2657 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2659 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2661 * config/ns32k/genix.h: Remove.
2662 * config/ns32k/x-genix: Likewise.
2663 * config/ns32k/xm-genix.h: Likewise.
2664 * config/fx80: Remove all filee in directory.
2665 * config/pyr: Likewise.
2666 * config/tahoe: Likewise.
2667 * config/gmicro: Likewise.
2668 * config/spur: Likewise.
2669 * configure.in: Remove configury bits for above targets.
2670 * configure: Regenerated.
2672 * configure.in: Don't configure chill by default.
2673 * configure: Regenerated.
2675 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2676 (lang_mark_false_label_stack): Remove.
2677 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2678 <top level> string in GC area.
2679 (mark_splay_tree_node): New function.
2680 (mark_splay_tree): Likewise.
2681 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2683 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2684 * ggc-common.c (lang_mark_false_label_stack): Change type.
2685 * ggc.h (ggc_alloc_string): Add comment.
2686 (ggc_strdup): New function.
2688 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2690 * config/avr/avr.h (BRANCH_COST): Define as 0.
2692 * config/pdp11/pdp11.c: #include "tree.h" added.
2694 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2696 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2697 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2698 with known shift count.
2699 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2700 New alternative for shift count 2 with no scratch register.
2701 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2702 "set_n" for shift counts 1 and 2.
2704 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2706 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2707 the mask value from the individual SET operations.
2708 (return_internal_si): Move the USE after the RETURN.
2709 (return_internal_di): Likewise.
2710 (return_and_restore_fpregs_si): Likewise.
2711 (return_and_restore_fpregs_di): Likewise.
2712 (return_eh_si): Likewise.
2713 (return_eh_di): Likewise.
2714 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2716 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2717 Don't generate a PARALLEL around a single operation movsi_to_cr.
2718 Generate the RETURN first in any PARALLELs.
2720 * rtlanal.c (single_set_1): Use fatal_insn to display the
2721 invalid insn. Check for more cases when a USE or CLOBBER occurs
2723 * Makefile.in: Update dependencies for rtlanal.o.
2725 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2727 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2729 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2731 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2732 Consistently use @email for formatting email addresses.
2734 2000-09-29 Richard Henderson <rth@cygnus.com>
2736 * cse.c (notreg_cost): New argument outer.
2737 (COST): Pass in SET to notreg_cost
2739 (fold_rtx): Use COST_IN. Prefer constants when costs
2742 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2744 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2745 * fixinc/fixincl.x: Regenerate.
2747 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2749 * loop.c (check_final_value): A GIV is not replaceable if used
2752 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2754 * version.c: Bump to gcc-2.97.
2756 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2758 * final.c (final_scan_insn): Remove extra extract_insn call;
2759 Use caching for constrain_operands.
2760 (cleanup_subreg_operands): Use caching for extract_insn.
2761 * recog.c (constrain_operands_cached): New.
2762 * recog.h (constrain_operands_cached): Declare.
2763 * i386.c (ix86_attr_length_immediate_default,
2764 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2767 * recog.c (asm_noperands): Tweak.
2768 (extract_insn): Do not call asm_noperads for non-asm instructions.
2770 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2772 * recog.c (recog_memoized): Rename to recog_memoized_1.
2773 * recog.h (recog_memoized): Rename to recog_memoized_1.
2774 (recog_memoized): New macro.
2775 * rtl.h (single_set): Rename to single_set_1
2776 (single_set): New macro.
2777 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2780 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2781 Do not use match_dup of input operands at outputs.
2782 Use register_operand for memory expression.
2783 (rep_movsi): Put use last, canonicalize.
2784 Use register_operand for memory expression.
2785 (rep_movqi): Put use last.
2786 Use register_operand for memory expression.
2787 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2788 of input operands at outputs. Use register_operand for memory
2790 (rep_stossi): Put use last; canonicalize; fix match_dup in
2791 the address expression
2792 (rep_stosqi): Likewise.
2793 (memcmp expander): Update calls.
2794 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2797 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2799 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2801 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2803 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2804 Contains the old contents of config/i386/freebsd.h
2805 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2806 Contains the old contents of config/i386/freebsd-elf.h
2807 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2808 config/i386/freebsd.h.
2809 * configure.in: Adjust for above changes.
2810 * po/POTFILES.in: Likewise.
2811 * po/en_GB.po: Likewise.
2812 * po/gcc.pot: Likewise.
2813 * configure: Rebuilt.
2815 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2817 * doloop.c (doloop_modify): Prevent delete_insn() from
2818 deleting too much. Prefer loop->top over loop->start as
2819 target for the new JUMP insn.
2820 (doloop_valid_p): Ignore loop with exit_count != 0.
2822 2000-09-28 Philipp Thomas <pthomas@suse.de>
2824 * invoke.texi (i386 Options): Add athlon to table of possible
2827 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2829 * diagnostic.h (output_clear_message_text): New function.
2830 (output_message_text): New macro.
2832 * diagnostic.c (clear_text_info): Rename to
2833 output_clear_message_text.
2834 (output_clear): Adjust.
2835 (output_finish): Rename to output_finalize_message. Tweek.
2836 (output_to_stream): Adjust.
2838 2000-09-28 Neil Booth <neilb@earthling.net>
2840 * cpperror.c (_cpp_begin_message): Do the test for suppression
2841 of warnings and pedantic warnings before the "is a warning an
2843 * cppinit.c (cpp_handle_option): Remove surplus \n.
2844 * cpplex.c (ON_REST_ARG): Delete.
2845 (skip_block_comment): Initialise prevc.
2846 (parse_args): Improve error messages.
2847 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2849 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2850 * cppmain.c (main): Set callbacks for #ident and #pragma
2851 only if no_output option is false.
2852 (do_pragma_implementation): Only call the #pragma handler
2853 if it is set in the cpp_reader structure.
2855 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2857 * integrate.c (copy_insn_list): if an ignored return value
2858 is being clobbered, skip cloning that into the inline copy.
2860 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2862 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2863 use @uref for formatting URLs.
2865 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2867 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2870 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2872 * gcc.c (cpp_options): Add spec for -ftabstop=.
2873 (invoke_as): New spec that handles invoking as.
2874 Update specs to handle -save-temps and -traditional.
2875 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2877 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2878 invoke_as, and handle -save-temps and -traditional (if
2881 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2883 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2885 (function_arg_slotno): Accept TImode/CTImode.
2886 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2889 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2891 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2894 2000-09-25 Jim Wilson <wilson@cygnus.com>
2896 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2897 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2898 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2899 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2901 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2903 * cpplex.c (parse_args): Don't set VOID_REST flag.
2904 (CONTEXT_VARARGS): New flag.
2905 (maybe_paste_with_next): Set context earlier in loop. Use
2906 it. Do varargs test with CONTEXT_VARARGS flag.
2907 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2908 pushing an argument context for a varargs argument.
2909 * cpplib.h (VOID_REST): Delete.
2910 * gcc.dg/cpp/vararg1.c: Add test case.
2912 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2914 * flags.h: Declare warning flag warn_system_headers.
2915 * toplev.c: Define it.
2916 (W_options): Add option -Wsystem-headers.
2917 * diagnostic.c (count_error): Test warn_system_headers.
2918 * invoke.texi: Add description for -Wsystem-headers.
2919 * cpplib.h (cpp_options): New member warn_system_headers.
2920 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2921 CPP_IN_SYSTEM_HEADER.
2922 * cpplib.c (do_import, do_pragma_once): Likewise.
2923 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2924 and CPP_IN_SYSTEM_HEADER.
2925 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2926 (print_help): Describe -Wsystem_headers.
2927 * cpplex.c (lex_line): Reorganize condition so that warnings
2928 about C++ comments in system headers can be enabled. Remove
2929 label do_line_comment.
2931 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2933 * cpplex.c (save_comment): Only store the initial '/'
2935 (lex_token): Combine handling of the two comment types.
2936 Pass everything but the initial '/' to save_comment.
2938 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2940 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2941 _cpp_can_paste): New library-internal prototypes.
2942 * cpplex.c (dump_param_spelling, output_line_command,
2943 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2944 cpp_printf, cpp_output_list): Move to cppoutput.c.
2945 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2946 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2948 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2949 dump_param_spelling, output_line_command, cpp_scan_buffer,
2950 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2952 * Makefile.in: Add cppoutput.c.
2953 * po/POTFILES.in: Add cppoutput.c.
2955 2000-09-25 Richard Henderson <rth@cygnus.com>
2957 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2958 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2959 split until after reload.
2960 (rotlsi3, rotldi3): New.
2962 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2964 * diagnostic.c (output_last_position): Define.
2965 (set_real_maximum_length): Tweek.
2966 * diagnostic.h (output_last_position): Declare.
2968 2000-09-25 Kazu Hirata <kazu@hxi.com>
2970 * config/i386/i386.c: Fix formatting.
2972 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2974 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2975 UNITS_PER_WORD is small.
2977 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
2979 * c-common.c (format_char_info): Add flags2; update comments.
2980 (print_char_table, scan_char_table, time_char_table): Split some
2981 flags out into flags2.
2982 (check_format_info): Use flags2 for those flags, for identifying
2983 the initial character of a scanf scanset, and for identifying
2984 printf formats where the '0' flag is ignored with precision.
2986 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
2988 Changes below marked "here" add TABs on either or both sides,
2989 covering start of line, up to any operand for all noted .*ASM.*_OP
2990 definitions. All callers changed.
2991 * tm.texi: Make documented *_ASM.*_OP:s include spacing
2992 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
2993 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2994 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
2995 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
2996 Fix typos in description for LONG_LONG_TYPE_SIZE and
2997 FINI_SECTION_ASM_OP.
2998 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
2999 why these defaults don't have leading spacing.
3000 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
3001 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3002 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
3003 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
3004 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
3005 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
3006 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
3007 * varasm.c (ASM_STABS_OP): Here.
3008 * xcoffout.h (ASM_STABS_OP): Here.
3009 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
3010 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
3011 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
3012 STRING_ASM_OP): Here.
3013 * config/freebsd.h (IDENT_ASM_OP): Here.
3014 * config/linux-aout.h (SET_ASM_OP): Here.
3015 * config/linux.h (SET_ASM_OP): Here.
3016 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3018 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
3019 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
3020 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
3021 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3023 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
3024 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
3025 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
3026 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3027 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
3028 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3029 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
3030 * config/a29k/udi.h (INT_ASM_OP): Here.
3031 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
3032 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
3034 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
3035 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3036 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3037 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
3038 ASM_STABD_OP): Here.
3039 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
3040 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
3041 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3042 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
3043 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
3044 SIZE_ASM_OP, STRING_ASM_OP): Here.
3045 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
3046 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
3047 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
3048 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
3049 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
3050 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
3052 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3053 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
3054 * config/arm/coff.h (INT_ASM_OP): Here.
3055 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
3056 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
3057 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
3058 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
3059 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
3060 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3061 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
3062 STRING_ASM_OP): Here. Update documentation copy in comments.
3063 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
3064 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
3065 DATA_SECTION_ASM_OP): Here.
3066 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
3068 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
3069 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
3070 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3071 BSS_SECTION_ASM_OP): Here.
3072 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3073 BSS_SECTION_ASM_OP): Here.
3074 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3076 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
3077 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
3078 * config/h8300/h8300.h (ASM_WORD_OP): Here.
3079 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3080 BSS_SECTION_ASM_OP): Here.
3081 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
3082 * config/i386/bsd.h (ASM_BYTE_OP): Here.
3083 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
3084 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
3085 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
3087 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
3088 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
3090 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
3091 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3092 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
3093 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
3095 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
3096 * config/i386/netbsd.h (INT_ASM_OP): Here.
3097 * config/i386/openbsd.h (INT_ASM_OP): Here.
3098 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
3099 IDENT_ASM_OP): Here.
3100 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
3101 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
3102 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
3103 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
3104 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
3105 SHARED_BSS_SECTION_ASM_OP): Here.
3106 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
3107 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3108 DATA_SECTION_ASM_OP): Here.
3109 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3110 CONST_SECTION_ASM_OP): Here.
3111 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
3112 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3113 BSS_SECTION_ASM_OP): Here.
3114 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
3115 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
3116 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
3117 BSS_ASM_OP): Here, but use trailing spaces.
3118 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3119 DATA_SECTION_ASM_OP): Here.
3120 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
3122 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
3123 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
3124 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3125 TDESC_SECTION_ASM_OP): Here.
3126 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
3127 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3128 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3130 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3131 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
3132 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3133 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
3134 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
3135 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
3136 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3137 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
3138 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
3139 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
3140 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
3141 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
3143 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
3144 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3145 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
3146 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
3147 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
3148 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
3149 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
3150 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3151 GLOBAL_ASM_OP): Here.
3152 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
3153 BSS_SECTION_ASM_OP): Here.
3154 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
3155 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3156 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
3157 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
3159 * config/m68k/newsgas.h (SET_ASM_OP): Here.
3160 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
3161 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
3162 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
3163 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
3164 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
3165 but use trailing spaces.
3166 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
3167 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
3168 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
3170 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3171 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
3172 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3173 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
3174 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3175 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
3176 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
3177 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
3178 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
3179 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
3180 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3181 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
3183 * config/m88k/openbsd.h (SET_ASM_OP): Here.
3184 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3185 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
3186 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
3187 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
3188 DTORS_SECTION_ASM_OP): Here.
3189 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
3190 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3191 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
3192 BSS_SECTION_ASM_OP): Here.
3193 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
3194 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
3195 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
3196 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
3197 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
3198 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
3199 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
3200 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
3202 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
3204 * config/mips/osfrose.h (SET_ASM_OP): Here.
3205 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
3206 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
3207 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
3208 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3210 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
3211 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
3212 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
3213 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
3214 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
3215 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3217 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3219 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
3220 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
3221 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
3223 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
3224 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
3225 * config/sparc/linux.h (COMMON_ASM_OP): Here.
3226 * config/sparc/linux64.h (COMMON_ASM_OP,
3227 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
3228 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
3229 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3230 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
3231 * config/sparc/pbd.h (ASM_INT_OP): Here.
3232 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
3233 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3234 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
3235 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
3236 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
3237 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
3238 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
3239 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
3240 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
3241 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3242 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3243 EH_FRAME_SECTION_ASM_OP): Here.
3244 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
3245 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3247 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3249 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
3250 TCOMMON_ASM_OP): Here.
3251 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3253 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3256 2000-09-25 Richard Henderson <rth@cygnus.com>
3258 * expmed.c (store_bit_field): Adjust last change to not consider
3259 any word-sized field naturally aligned.
3261 2000-09-24 Richard Henderson <rth@cygnus.com>
3263 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
3264 TFmode unordered compares properly. Revalidate integer compare
3266 (alpha_emit_setcc): New.
3267 (alpha_emit_conditional_move): Revalidate integer compare operands.
3268 * config/alpha/alpha-protos.h: Update.
3269 * config/alpha/alpha.md (cmpdi): Allow general operands.
3270 (sne): Use alpha_emit_setcc.
3271 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
3272 (sunordered, sordered): New.
3274 2000-09-24 Richard Henderson <rth@cygnus.com>
3276 * config/ia64/ia64-protos.h: Update.
3277 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
3278 (ia64_expand_call): New.
3279 (ia64_expand_prologue): Emit an alloc if we need extra input
3281 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
3282 instruction if true.
3283 (struct reg_flags): Add is_sibcall.
3284 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
3285 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
3286 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
3287 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3288 * config/ia64/ia64.md (call): Use ia64_expand_call.
3289 (call_value): Likewise.
3290 (sibcall, sibcall_value): New.
3291 (call patterns): Remove extra expanders; tidy.
3292 (sibcall_epilogue): New.
3293 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
3295 2000-09-24 Richard Henderson <rth@cygnus.com>
3297 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
3299 * sibcall.c (skip_pic_restore): New.
3300 (identify_call_return_value): Use it.
3302 2000-09-24 Mark Mitchell <mark@codesourcery.com>
3304 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
3305 functions. Generalize to handle both C and C++.
3306 * Makefile.in (c-tree.info): New target.
3307 (info): Add c-tree.info.
3309 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3311 * expr.c (store_field): If BITSIZE is negative, use size of type.
3312 (expand_expr, case COMPONENT_EXPR): Likewise.
3314 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
3316 * cpplex.c: Update TODO comment.
3317 * cpplib.c (do_error, do_warning): Merge common code of
3318 do_error and do_warning into do_diagnostic. Use it.
3319 (do_diagnostic): New function.
3320 * cpplib.h: Fix comment typo.
3322 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3324 * c-common.c (check_format_info): Warn for a wide character string
3325 used as a non-wide format argument.
3327 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3329 * builtins.def (BUILT_IN_LLABS): Add.
3330 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
3331 * c-common.c (c_common_nodes_builtins): Create builtin functions
3332 __builtin_llabs, and plain llabs unless no_nonansi_builtins
3333 outside of C99 mode.
3334 (expand_tree_builtin): Handle BUILT_IN_LLABS.
3336 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
3338 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
3339 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
3340 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
3341 _cpp_free_toklist): No need to worry about extra dummy token
3342 at the start of token lists any more.
3343 (trigraph_ok): Only warn outside comments.
3344 (skip_block_comment): Set and clear lexing_comment.
3345 (skip_line_comment): Take a cpp_reader not cpp_buffer.
3346 Set and clear lexing_comment.
3347 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
3348 (check_long_token): Delete.
3349 (lex_percent, lex_dot): New subroutines of lex_token to
3350 handle lexing of '.' and '%' without lookback.
3351 (lex_token): Use lex_dot and lex_percent.
3352 (lex_line): Don't check for LIST_OFFSET.
3353 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
3354 * cpplib.c (_cpp_parse_assertion): Similarly.
3355 (cpp_push_buffer): Initialize extra_char.
3356 * cpplib.h (LIST_OFFSET): Delete.
3357 (struct cpp_buffer): New member extra_char.
3358 (struct lexer_state): New members lexing_comment and seen_dot.
3360 2000-09-23 Jason Merrill <jason@redhat.com>
3362 * config/rs6000/x-aix41 (CLIB): Define here.
3363 * config/rs6000/t-aix43: Not here.
3364 * config/rs6000/t-aix41: Or here. Remove.
3365 * configure.in: Don't use it.
3367 2000-09-22 Jason Merrill <jason@redhat.com>
3369 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
3370 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
3371 * config.in: Regenerate.
3373 * configure.in: Fix checks for assembler features when using a
3374 one-tree assembler that has not yet been built.
3375 Fix --disable-threads.
3377 2000-09-19 Geoff Keating <geoffk@cygnus.com>
3379 * stmt.c (expand_asm_operands): Allow # in constraints.
3381 2000-09-22 Jason Merrill <jason@redhat.com>
3383 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
3385 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
3386 function-local names.
3388 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
3389 Mark Mitchell <mark@codesourcery.com>
3391 * toplev.c (warn_disabled_optimization): Declare new warning flag.
3392 * flags.h (warn_disabled_optimization): Add it here.
3393 * gcse.c (gcse_main): Add warning when disabled.
3394 * invoke.texi: Document -Wdisabled-optimization.
3396 2000-09-21 Jason Merrill <jason@redhat.com>
3398 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
3400 * dwarf2out.c (tree_add_const_value_attribute): New fn.
3401 (gen_variable_die): Call it for non-definitions.
3403 * dwarf2out.c (die_struct): Add die_mark field.
3404 (mark_dies, unmark_dies): New fns.
3405 (clear_die_sizes): Remove.
3406 (print_die): Check die_symbol rather than die_offset.
3407 (build_abbrev_table, output_pubnames, output_aranges): Check
3408 die_mark rather than die_offset.
3409 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
3412 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
3414 * cppfiles.c (lookup_include_file): Rename to open_file.
3415 Always create a splay tree value, even on syscall failures.
3416 Negative entries indicated by fd == -2.
3417 Re-open files closed in the meantime.
3418 (_cpp_fake_include): Create a negative splay tree entry.
3419 (find_include_file, cpp_read_file): Update for function name
3421 * gcc.gd/cpp/mi4.c: Testcase.
3423 2000-09-21 Nick Clifton <nickc@redhat.com>
3425 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
3426 ARM and THUMB modes.
3428 * config/mcore/mcore.c: Fix compile time warnings.
3429 * config/mcore/mcore-protos.h: Fix compile time warnings.
3431 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3433 * configure.in: Correct test of gcc_cv_glibc.
3434 * configure: Rebuilt.
3435 * config.in: Rebuilt.
3437 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3439 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
3440 (expand_builtin): Handle BUILT_IN_FWRITE.
3442 * builtins.def (BUILT_IN_FWRITE): New entry.
3444 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
3446 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3448 * gcc.c (modify_target): New variable and struct.
3449 (process_command): Handle MODIFY_TARGET_NAME.
3450 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
3451 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
3453 * c-decl.c (finish_decl): Add else's to avoid referencing
3454 TYPE_DOMAIN of an ERROR_MARK.
3456 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
3458 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
3461 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
3463 * config/avr/avr.md (neghi2): Add alternative for input and output
3464 operands in different registers, as in negsi2.
3465 (*negsi2): Remove '*' from the name. Use "movw" if available.
3467 2000-09-19 Jim Wilson <wilson@cygnus.com>
3469 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
3470 HAVE_GAS_HIDDEN macro.
3472 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
3474 * cpplex.c (lex_line): Drop the EOF token for unknown
3475 directives in assembler.
3477 2000-09-19 David Edelsohn <edelsohn@gnu.org>
3479 * configure.in: Allow enable_threads_flag value of "aix". Define
3480 thread_file as "aix" for AIX 4.3 and above.
3481 * configure: Regenerated.
3483 * gthr-aix.h: New file.
3485 * rs6000/t-aix43: Replace soft-float multilib with pthread.
3486 Remove 403 processor multilib match. Fix rios2 processor multilib
3489 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
3490 to return to appropriate csect.
3492 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3494 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
3496 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
3497 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
3500 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
3503 * c-common.c (init_function_format_info): Handle __builtin_printf.
3504 Set `check_function_format_ptr'.
3505 (c_common_nodes_and_builtins): Set `puts_ftype' and
3506 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
3507 __builtin_printf and printf.
3509 * tree.c, tree.h (check_function_format_ptr): Declare.
3511 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
3513 * cppfiles.c (read_include_file): Take no special action for
3516 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
3518 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
3519 rather than that of branch.
3520 (shorten_branches): Don't increment insn_current_address twice.
3522 Undo most of the Wed Jan 27 23:39:53 1999 patch:
3523 * loop.h (struct induction): Delete members derived, ix and last_use.
3524 (struct loop_ivs): Delete members first_increment_giv and
3526 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
3527 recombine_givs): Delete functions.
3528 (find_and_verify_loops): Don't initialize cont_dominator.
3529 (strength_reduce): Lose code to try to find bivs that can be
3530 expressed as givs of another biv, and to convert biv increments
3532 Lose loop_scan_start variable, always use loop->scan_start.
3533 Don't call recombine_givs. Don't handle derived givs.
3534 (record_giv): Don't initialize derived and last_use fields.
3535 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
3537 * unroll.c (derived_regs): Delete static variable.
3538 (unroll_loop): Don't initialize it.
3539 (copy_loop_body): Lose code to handle derived givs.
3540 (find_splittable_givs): Don't check for givs made from biv
3542 Don't set derived_regs.
3544 Fix misapplied earlier patch:
3545 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
3547 (floatsisf2): Generate floatsisf_ie by default.
3548 (floatsisf_i4): Conditional on TARGET_SH4.
3550 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
3551 predicate for the expanders.
3553 2000-09-19 Richard Henderson <rth@cygnus.com>
3555 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
3556 in addition to pentium and pentiumpro symbols.
3557 (CPP_CPU_DEFAULT_SPEC): Likewise.
3559 * c-typeck.c (c_expand_asm_operands): Restore the output tree
3562 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
3563 if the tree has side effects.
3564 (warn_if_unused_value): Do not warn about void constructs.
3566 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
3568 * unroll.c (copy_loop_body): Update LABEL_NUSES before
3569 calling invert_jump.
3571 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3573 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
3576 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3578 * Makefile.in (c-common.o): Depend on diagnostic.h.
3580 * c-common.c: Include diagnostic.h.
3582 (status_warning): New function.
3583 (check_format_info, maybe_read_dollar_number, check_format_types,
3584 finish_dollar_format_checking, check_function_format): Accept a
3585 `status' parameter. All callers changed.
3587 * c-common.h (check_function_format): Accept a `status' parameter.
3589 * c-typeck.c: Update call to `check_function_format'.
3591 2000-09-18 Richard Henderson <rth@cygnus.com>
3593 * c-decl.c (c_expand_body): Call mark_varargs before
3594 expand_function_start.
3596 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3598 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3599 * config/rs6000/eabi-ci.asm: Likewise.
3601 2000-09-18 Richard Henderson <rth@cygnus.com>
3603 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3606 2000-09-18 Jim Wilson <wilson@cygnus.com>
3608 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3609 before passing it to fold_rtx_mult_add.
3611 * unroll.c (final_giv_value): Pass increment through
3612 extend_value_for_giv before passing it to emit_iv_add_mult.
3614 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3615 paradoxical subreg, then directly substitute the replacement and
3618 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3620 * cpp.texi: Update documentation, including some clarifications,
3621 the treatment of various newline combinations, and space between
3622 backslash and newline.
3624 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3626 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3627 Replace ASM_OUTPUT_LABELREF with assemble_name.
3629 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3631 * sh.c (addsubcosts): CONST is not cheap.
3632 (find_barrier): For Sh1, take alignment after jumps into account.
3634 2000-09-15 Andrew Haley <aph@redhat.com>
3636 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3637 remove all SETs of SUBREGs of hard registers.
3638 * function.c (purge_hard_subreg_sets): New function.
3639 (purge_single_hard_subreg_set): New function.
3640 * rtl.h: (purge_hard_subreg_sets): New function.
3642 2000-09-18 Richard Henderson <rth@cygnus.com>
3644 * config/ia64/ia64-protos.h: Update.
3645 * config/ia64/ia64.c (signed_inequality_operator): New.
3646 (ia64_expand_compare): New.
3647 (ia64_register_move_cost): Handle PR_REGS moves.
3648 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3649 (struct reg_write_state): Add written_by_and/or.
3650 (struct reg_flags): Add is_and/or.
3651 (rws_update): Set them.
3652 (rws_access_regno): Test them to allow parallel comparisons.
3653 (rtx_needs_barrier): Recognize parallel comparisons.
3654 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3655 Call recog_memoized; ignore pred_rel_mutex.
3656 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3657 (ia64_reorg): Do it here instead.
3658 * config/ia64/ia64.h: s/CCmode/BImode/g
3659 (MODES_TIEABLE_P): Don't tie BImode.
3660 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3661 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3662 (RTX_COSTS): Make multiply 4 insns.
3663 (MEMORY_MOVE_COST): New.
3664 (PREDICATE_CODES): Update.
3665 * config/ia64/ia64.md: s/CCmode/BImode/g
3666 (movcci, movbi): New.
3667 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3668 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3669 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3670 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3671 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3672 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3673 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3674 (mulsi, muldi): Use xmpy not xma.
3676 (movcc, movcc_internal): Remove.
3677 (branch expanders): Use ia64_expand_compare.
3678 (setcc expanders): Likewise.
3679 (cmov insns): Use move_operand and ia64_move_ok.
3680 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3681 scheduler from moving it past a use.
3682 * config/ia64/build.hacks: Remove.
3684 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3686 * cpphash.h (HASHSTEP): Take character rather than pointer
3688 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3690 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3692 * cpplex.c (auto_expand_name_space, trigraph_replace,
3693 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3694 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3695 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3696 KNOWN_DIRECTIVE): Delete.
3698 (handle_newline, check_long_token, skip_escaped_newlines,
3699 unterminated): New functions.
3700 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3702 (parse_identifier): Was parse_name, new implementation.
3703 (skip_line_comment, skip_block_comment, skip_whitespace,
3704 parse_number, parse_string, trigraph_ok, save_comment,
3705 adjust_column, _cpp_get_line): New implementations.
3707 (lex_token): New function. Lexes a token at a time, looking
3708 forwards. Contains most of the guts of the old lex_line.
3709 (lex_line): New implementation, using lex_token to obtain
3711 (cpp_scan_buffer): Use the token's line, not the list's line.
3713 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3714 New implementations.
3715 (do_assert): Don't bother setting the answer's list's line.
3716 (cpp_push_buffer): Initialise new pfile and read_ahead members
3717 of struct cpp_buffer.
3719 * cpplib.h (cppchar_t): New typedef.
3720 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3722 (struct lexer_state): New structure that determines the state
3723 and behaviour of the lexer.
3724 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3725 (struct cpp_reader): New member "state". Rename
3726 multiline_string_line and multiline_string_column. Delete
3727 col_adjust, in_lex_line members.
3728 (CPP_BUF_COLUMN): Update.
3730 2000-09-18 Richard Henderson <rth@cygnus.com>
3732 * combine.c (simplify_comparison): Shift a NOT out of a single
3735 * combine.c (if_then_else_cond): Canonicalize BImode true to
3737 * explow.c (trunc_int_for_mode): Likewise.
3739 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3740 the NOT for De Morgan's rule.
3741 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3742 of a comparison to the reverse comparison.
3744 * combine.c (try_combine): Allow split to create a single insn.
3746 * machmode.def: Add BImode. Add a column for bitsize.
3747 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3748 (GET_MODE_BITSIZE): Use it.
3749 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3750 (mode_bitsize): New.
3751 (mode_mask_array): Use bitsize.
3752 * combine.c (combine_simplify_rtx): Require inner and outer
3753 modes to match on nonzero_bits optimizations.
3755 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3757 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3758 its entry in spill_reg_store.
3759 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3760 * sh.c (reg_no_subreg_operand): New function.
3761 * sh-protos.h (reg_no_subreg_operand): Declare it.
3762 * sh.h (PREDICATE_CODES): Add it.
3763 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3764 input operand that needs to be in fpul.
3765 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3766 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3767 might add new insns.
3769 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3771 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3773 (sh_expand_epilogue): Take the PIC register into account when
3774 computing the frame size.
3776 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3777 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3778 LABEL_REFs with a PIC-safe unspec.
3780 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3782 * c-common.c (check_format_info): Properly save the argument
3783 number and parameter for $ operand number formats in case width
3784 and precision arguments are also used. Allow printf width and
3785 precision arguments to have operand numbers even if none was
3786 specified for the main format, since this is OK for %*.*m. Only
3787 object to missing $ operand number if the format used requires an
3790 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3792 * c-common.c (format_char_info): Add 'W' flag to comment.
3793 (print_char_table, scan_char_table): Use it.
3794 (check_format_info): Use the 'W' flag to determine whether a
3795 format argument is written into.
3797 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3799 * c-common.c (check_format_types): Reorganise and clean up,
3800 checking earlier for ERROR_MARKs and making cur_type into its
3801 TYPE_MAIN_VARIANT where convenient.
3803 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3805 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3807 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3809 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3811 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3812 * i386.c (struct builtin_description): New.
3813 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3814 (mmx_reg_operand): Declare MODE arg as unused.
3815 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3816 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3817 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3818 ix86_init_builtins, ix86_expand_builtin): New functions.
3819 * i386.h (ix86_builtins): New enumeration.
3820 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3821 * i386.md (attr length_immediate): 0 for mmx/sse types.
3822 (attr prefix_0f): 1 for mmx/sse types.
3823 (setcc_2): Remove "*" so we get gen_setcc_2.
3824 (emms): Account for changed register numbering. Set "memory" attr
3826 (sfence): Set "memory" attr to unknown.
3828 2000-09-18 Andreas Jaeger <aj@suse.de>
3830 * configure.in: Define _GNU_SOURCE only when using the GNU C
3832 * configure: Regenerated.
3833 * config.in: Regenerated.
3835 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3837 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3838 * flow.c (flow_dump_loop): Likewise.
3839 (flow_loops_dump): Likewise.
3841 * c-typeck.c (c_start_case): Fix typo.
3843 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3845 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3846 to int for plain complex which defaults to complex double. Do
3847 warn about defaulting to complex double if pedantic. Warn about
3848 complex integer types if pedantic. Warn about complex types if
3849 pedantic and not in C99 mode.
3850 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3851 for complex conjugation.
3853 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3855 * contrib.texi: Update my entry.
3857 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3859 * config/avr/avr.md (mcu_enhanced): New attribute.
3860 (mcu_mega): Likewise.
3861 (extendhisi2): Use mcu_enhanced.
3862 (zero_extendhisi2): Likewise.
3863 (call_insn): Use mcu_enhanced and mcu_mega.
3864 (call_value_insn): Likewise.
3865 (*sbrx_branch): Use mcu_mega.
3866 (*sbrx_and_branchsi): Likewise.
3867 (*sbrx_and_branchhi): Likewise.
3868 (*tablejump_lib): Likewise.
3870 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3872 * alias.c (true_dependence): Allow non-unchanging read to conflict
3873 with unchanging write.
3875 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3876 (store_constructor): Pass alias_set to it.
3878 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3879 TYPE_MAIN_VARIANT of ERROR_MARK.
3880 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3882 * simplify-rtx.c (simplify_unary_operation): Add cases
3883 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3885 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3887 * expr.h (emit_library_call, emit_library_call_value): Delete
3889 * rtl.h (enum libcall_type): New.
3890 (emit_library_call, emit_library_call_value): Change fn_type arg to
3891 be of type enum libcall_type.
3892 * calls.c: Likewise for the function definitions. Several callers
3893 throughout changed to use the new enumeration appropriately.
3894 (emit_library_call_value_1): Likewise. Put back code to make libcall
3895 blocks of equal form, but only use it for the two new higher
3898 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3900 Convert the C front-end to use function-at-a-time mode.
3901 * c-common.h: Include splay-tree.h.
3902 (C_DECLARED_LABEL_FLAG): New macro.
3903 (struct language_function): Add x_scope_stmt_stack and
3904 x_function_name_declared_p.
3905 (RECHAIN_STMTS): Move definition.
3906 (lang_statment_code_p): Likewise.
3907 (lang_expand_stmt): Likewise.
3908 (lang_expand_decl_stmt): New variable.
3909 (lang_expand_function_end): Likewise.
3910 (current_scope_stmt_stack): New function.
3911 (add_decl_stmt): Likewise.
3912 (add_scope_stmt): Likewise.
3913 (mark_stmt_tree): Likewise.
3914 (struct c_lang_decl): New structure.
3915 (DECL_SAVED_TREE): Define.
3916 (c_mark_lang_decl): New function.
3917 (c_expand_start_cond): Change prototype.
3918 (c_finish_then): New function.
3919 (c_finish_else): Likewise.
3920 (current_function_name_declared): Remove.
3921 (set_current_function_name_declared): Likewise.
3922 (mark_c_language_function): Declare.
3923 (case_compare): Likewise.
3924 (c_add_case_label): Likewise.
3925 (c_expand_expr): Likewise.
3926 (c_safe_from_p): Likewise.
3927 * c-common.c (lang_expand_function_end): New variable.
3928 (struct if_elt): Add if_stmt.
3929 (c_expand_start_cond): Add the if-statement to the statement-tree,
3930 rather than generating RTL.
3931 (c_finish_then): New function.
3932 (c_expand_start_else): Don't generate RTL.
3933 (c_finish_else): New function.
3934 (c_expand_expr_stmt): Don't generate RTL.
3935 (statement_code_p): Add SCOPE_STMT.
3936 (case_compare): New function.
3937 (c_add_case_label): Likewise.
3938 (mark_stmt_tree): Likewise.
3939 (c_mark_lang_decl): Likewise.
3940 (mark_c_language_function): Likewise.
3941 (c_expand_expr): Likewise.
3942 (c_safe_from_p): Likewise.
3943 * c-decl.c (c_stmt_tree): New variable
3944 (c_scope_stmt_stack): Likewise.
3945 (c_function_name_declared_p): Likewise.
3946 (lang_expand_expr_stmt): Remove.
3947 (poplevel): Don't call output_inline_function for nested
3949 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3951 (redeclaration_error_message): Change means of computing whether
3952 or not a function is nested.
3953 (lookup_label): Don't call label_rtx.
3954 (init_decl_processing): Add more GC roots.
3955 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3956 calling rest_of_decl_compilation.
3957 (finish_decl): Don't call expand_decl.
3958 (store_parm_decls): Begin the statement-tree, but don't generate
3960 (finish_function): Tie off the statement-tree. Call c_expand_body
3962 (c_expand_body): New function.
3963 (push_c_function_context): Save more information.
3964 (pop_c_function_contxt): Likewise.
3965 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3966 (lang_mark_tree): Mark it.
3967 (current_stmt_tree): Adjust.
3968 (current_scope_stmt_stack): New function.
3970 (set_current_name_declared): Likewise.
3971 (c_begin_compound_stmt): Define.
3972 (c_expand_decl_stmt): Likewise.
3973 * c-lang.c: Include rtl.h and expr.h.
3974 (lang_init): Set more language-specific hooks.
3975 * c-lex.c: Include expr.h.
3976 * c-parse.in: Changes throughout to add statements to the
3977 statement-tree, rather than generating RTL after every statement.
3978 * c-semantics.c (lang_expand_decl_stmt): Define.
3979 (add_decl_stmt): New function.
3980 (add_scope_stmt): Likewise.
3981 (finish_stmt_tree): Tweak.
3982 (genrtl_expr_stmt): Likewise.
3983 (genrtl_decl_stmt): Handle local labels, and call
3984 lang_expand_decl_stmt if required.
3985 (genrtl_for_stmt): Fix line-number handling.
3986 (genrtl_case_label): Handle cleanups.
3987 (genrtl_asm_stmt): Don't call combine_strings.
3988 (genrtl_compound_stmt): Simplify.
3989 (expand_stmt): Handle SCOPE_STMTs.
3990 * c-tree.h (struct lang_decl): New structure.
3991 (C_DECLARED_LABEL_FLAG): Remove.
3992 (c_begin_compound_stmt): Declare.
3993 (c_expand_decl_stmt): Likewise.
3994 (c_expand_start_case): Rename to c_start_case.
3995 (c_finish_case): New function.
3996 * c-typeck.c (start_init): Tweak setting of
3997 constructor_incremental.
3998 (c_expand_asm_operands): Tweak error-handling. Add to the
4000 (c_expand_return): Add to the statement-tree.
4001 (c_expand_start_case): Rename to ...
4002 (c_start_case): ... this.
4003 (struct c_switch): New type.
4004 (switch_stack): New variable.
4005 (do_case): Simplify.
4006 (c_finish_case): New function.
4007 * dependence.c: Include expr.h.
4008 (enum dependence_type): Change spelling of enumerals.
4009 (check_node_dependence): Adjust.
4010 * expr.h (lang_safe_from_p): Declare.
4011 (safe_from_p): Likewise.
4012 * expr.c (lang_safe_from_p): New variable.
4013 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
4014 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
4015 * toplev.c (rest_of_decl_compilation): Robustify.
4016 * tree.c (contains_placeholder_p): Likewise.
4017 * Makefile.in: Update dependencies.
4018 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
4019 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
4020 (objc_expand_function_end): New function.
4021 (finish_method_def): Use it.
4022 (init_objc): Initialize more language-specific hooks.
4023 * objc/Make-lang.in: Update dependencies.
4025 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
4027 * configure.in: Define macros that affect features before
4028 testing for features. Don't define _XOPEN_SOURCE.
4029 * configure: Regenerated.
4030 * config.in: Regenerated.
4032 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
4034 * rtlanal.c (rtx_varies_p): Volatile asms vary.
4035 (rtx_unstable_p): Restructure code. Volatile asms
4038 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4040 * function.h (no_debugging_symbols): New field.
4041 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
4042 Initialize no_debugging_symbols.
4043 (output_inline_function): Save and restore write_symbols and set from
4044 no_debugging_symbols.
4045 * toplev.c (rest_of_compilation): Call save_for_inline.
4046 * tree.h: Update comment.
4048 * stor-layout.c (place_field): Don't do anything if field or
4049 its type are ERROR_MARK.
4051 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
4053 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
4054 (read_include_file): Ensure inc->mmaped is initialized.
4056 2000-09-16 Richard Henderson <rth@cygnus.com>
4058 * cppiles.c (purge_cache): Use PTR not caddr_t.
4060 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
4062 * gcc.c: In description for %{<S}, say the option removed is -S.
4063 * invoke.texi (Spec Files): Ditto.
4065 2000-09-16 Andreas Jaeger <aj@suse.de>
4067 * configure.in: Always define _GNU_SOURCE to make interfaces
4068 visible that were hidden by only defining _GNU_SOURCE.
4069 * configure: Regenerated.
4071 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
4073 * cpplex.c (push_macro_context): Set an argument's level after
4074 calling parse_args. We could loop infinitely otherwise.
4076 2000-09-15 Tom Tromey <tromey@cygnus.com>
4078 * configure, config.in: Rebuilt.
4079 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
4081 2000-09-15 Greg McGary <greg@mcgary.org>
4083 * cppmacro.c (check_trad_stringification): Check token
4084 text pointers against limit before dereferencing.
4086 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
4088 * c-common.c (format_wanted_type): New structure.
4089 (check_format_types): New function.
4090 (check_format_info): Pass all checking of types of format
4091 arguments, including width and precision arguments, to this new
4094 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4096 * BUGS: Remove file.
4098 2000-09-15 Jakub Jelinek <jakub@redhat.com>
4100 * config/alpha/alpha.c (override_options): ev6 cache latencies
4101 from Richard Henderson. Don't allow -mmemory-latency=L0.
4103 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
4104 (TARGET_OPTIONS): Add tune=.
4105 (alpha_tune_string): Declare.
4106 * config/alpha/alpha.c (override_options): Add cpu_table.
4107 Use alpha_cpu_string first to set both alpha_cpu and target_flags
4108 and then alpha_tune_string to set alpha_cpu only.
4109 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
4110 * config/alpha/elf.h (ASM_FILE_START): Likewise.
4111 * config/alpha/osf.h (ASM_FILE_START): Likewise.
4112 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
4114 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
4116 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
4118 (ix86_comparison_operator, ix86_cc_mode): Declare
4119 * i386.h (CCGC, CCGCO): New modes.
4120 (SELECT_CC_MODE): Move offline to ....
4121 * i386.c (ix86_cc_mode): .... here; use new modes.
4122 (ix86_comparison_operator): New.
4123 (fcmov_comparison_operator): Ensure proper mode.
4124 (put_condition_mode): More sanity checking.
4125 (ix86_match_ccmode): Handle new modes.
4126 (ix86_expand_fp_compare): GEU requires CCmode.
4127 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
4129 * i386.md (cmp?i_ccz_1): Remove
4130 (cmp?i_ccno_1): Use ix86_match_ccmode.
4131 (cmp?i_minus_1): New.
4132 (cmpsi_1): New expander.
4133 (cmpqi_ext_1): Use match_ccmode
4134 (cmpqi_ext_3): New expander.
4135 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
4136 (cmpqi_ext_4): Use match_ccmode.
4137 (add?i_?): Use match_ccmode.
4139 (test?i_ccz_1): Remove
4141 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
4142 (testqi_ext_0): Use ix86_match_ccmode.
4143 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
4144 (xorqi_cc_ext_1): New expander.
4145 (shift patterns): Use CCGOCmode for all shifts except for sar.
4146 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
4147 (setcc_3, jcc_3, miv?icc_c): Remove.
4149 2000-09-15 Will Cohen <wcohen@redhat.com>
4151 * dwarf2out.c (add_const_value_attribute): Changed array into a
4152 xmalloced object, so it exists after function exit.
4153 (free_AT): Added case for dw_val_class_float to free allocated
4156 2000-09-15 Kazu Hirata <kazu@hxi.com>
4158 * config/i386/i386.md: Fix a comment typo.
4159 * gcc.c: Fix formatting.
4161 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
4163 * optabs.c (emit_libcall_block): If target is a user variable,
4164 copy to a temporary first.
4165 * expr.c (convert_move): When generating a libcall, make a libcall
4167 * calls.c (emit_library_call_value_1): Don't create a libcall
4168 sequence here; our caller will in most cases do it.
4170 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
4172 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
4173 * sh.md (reload_outsf): Generate recognizable patterns for
4175 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
4176 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
4177 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
4178 truncdfsf2_i4): Change not to use explicit references to fpul.
4179 (floatsisf2_ie): Remove USE of fpscr.
4180 (floatsisf2): Change default expansion to match this.
4181 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
4184 2000-09-15 Richard Henderson <rth@cygnus.com>
4186 * expmed.c (store_bit_field): Consider naturally aligned
4187 memory for direct reference.
4189 2000-09-15 Richard Henderson <rth@cygnus.com>
4191 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
4192 AND addresses into alias set 0.
4193 (alpha_expand_unaligned_store): Likewise.
4194 (alpha_expand_unaligned_load_words): Likewise.
4195 (alpha_expand_unaligned_store_words): Likewise.
4197 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
4199 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
4200 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
4202 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
4203 rsize of UNITS_PER_WORD.
4205 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
4207 * cpplex.c (ON_REST_ARG): Correct the test.
4208 (maybe_paste_with_next): Duplicate a token that fail pasting,
4209 and clear its PASTE_LEFT flag, so that nested pasting attempts
4212 2000-09-14 Richard Henderson <rth@cygnus.com>
4214 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
4215 * cse.c (rtx_cost): Likewise.
4216 * optabls.c (expand_binop): Likewise.
4217 (expand_twoval_binop, prepare_cmp_insn): Likewise.
4218 * regclass.c (copy_cost): Likewise.
4219 * reload1.c (reload_cse_move2add): Likewise.
4221 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
4223 * c-parse.in (reswords): Add _Complex.
4225 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4227 * gcc.1: Delete documentation for -undef preprocessor option.
4229 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
4231 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4232 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
4233 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4234 Remove undefine before config/elfos.h.
4235 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
4237 2000-09-14 Kazu Hirata <kazu@hxi.com>
4239 * invoke.texi (H8/300 Options): Add -ms2600.
4240 * config/h8300.c (h8300_init_once): Output an error when -ms2600
4241 is used without -ms.
4242 * config/h8300.h (TARGET_MAC): New.
4243 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
4244 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
4245 machine other than H8/S2600.
4246 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
4249 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
4251 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
4252 pseudos that refer to the original pseudos, not only to their
4253 equivalent memory locations.
4255 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4257 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
4258 when making new MEM.
4260 * Makefile.in (LN): Remove duplicate definition.
4262 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4264 From Joern Rennecke:
4265 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
4266 on an insn and function_invariant_p returns nonzero for the source,
4267 add a REG_EQUAL note.
4269 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
4271 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
4272 conflict with frame_pointer_rtx.
4274 2000-09-13 Kazu Hirata <kazu@hxi.com>
4276 * loop.c: Fix formatting.
4279 2000-09-13 Richard Henderson <rth@cygnus.com>
4281 * config/ia64/ia64.md (divsf3): New.
4282 (divsf3_internal_lat, divsf3_internal_thr): New.
4283 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
4284 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
4285 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
4286 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
4287 (nmadddf4_alts, nmadddf4_trunc): New.
4288 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
4289 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
4290 (multf3_truncsf_alts, multf3_truncdf_alts): New.
4291 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
4292 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
4293 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
4294 (nmaddtf4_truncdf_alts): New.
4295 (recip_approx): Don't predicate.
4297 2000-09-13 Richard Henderson <rth@cygnus.com>
4299 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
4301 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4303 * flags.h (flag_dump_rtl_in_asm): Declare.
4304 * toplev.c (flag_dump_rtl_in_asm): Define.
4305 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
4306 if -dP is specified.
4307 * rtl.h (print_rtx_head): Declare.
4308 * print-rtl.c (print_rtx_head): Define.
4309 (print_rtx): Print the string pointed to by print_rtx_head
4310 at beginning of each dump line.
4311 (print_rtl): Likewise.
4312 (print_rtl_single): Likewise.
4313 * final.c (final_scan_insn): Dump the insn in the assembly
4315 * gcc.1: Document -dP option.
4316 * invoke.texi (Debugging Options): Likewise.
4318 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4320 * md.texi (Machine Constraints): Document the 68HC11 constraints.
4321 * install.texi (Configurations): Document the 68HC11&68HC12 port.
4322 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
4324 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
4326 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
4327 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
4328 (*clrstrqi): Likewise.
4329 (xorhi3,xorsi3,absqi2): Likewise.
4330 (one_cmplhi2,one_cmplsi2): Likewise.
4331 (addsi3): Two stupid constraint alternatives removed.
4332 (extendhisi2): Use `movw' for enhanced avr cores.
4333 (zero_extendhisi2): Likewise.
4335 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
4337 * alias.c (find_base_term): Use frame_pointer_rtx
4338 when handling an ADDRESSOF.
4340 * cse.c (canon_hash): Handle USE of BLKmode memory.
4341 (cse_insn): Outgoing arguments for a libcall don't
4342 affect any recorded expressions.
4344 2000-09-12 Tom Tromey <tromey@cygnus.com>
4346 * configure, config.in: Rebuilt.
4347 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
4349 2000-09-12 Jakub Jelinek <jakub@redhat.com>
4351 * c-lex.c (lex_string): Use charwidth to compute bytemask.
4352 * expr.c (expand_expr): Don't optimize constant array references
4353 initialized with wide string constants.
4355 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4357 * loop.c (note_set_pseudo_multiple_uses): Correct.
4359 2000-09-12 Jim Wilson <wilson@cygnus.com>
4361 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
4362 else block, and X has side-effects, then fail.
4364 2000-09-12 Greg McGary <greg@mcgary.org>
4366 * config/mips/mips-protos.h
4367 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
4368 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
4369 (PREDICATE_CODES): Add "trap_cmp_op".
4370 * config/mips/mips.c
4371 (trap_cmp_op, mips_gen_conditional_trap): New functions.
4372 * config/mips/mips.md (trap, conditional_trap): New patterns.
4374 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4376 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
4379 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4381 * builtins.c (built_in_decls): New array.
4382 (expand_builtin_fputs): New function.
4383 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
4385 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
4387 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
4389 * tree.h (built_in_decls): New array.
4391 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
4393 * convex.md: Use "+" instead of "=" for outputs wrapped in a
4395 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
4397 2000-09-12 Kazu Hirata <kazu@hxi.com>
4399 * haifa-sched.c: Fix formatting.
4401 * genattrtab.c: Fix formatting.
4403 * unroll.c: Fix formatting.
4405 2000-09-12 Bruce Korb <bkorb@gnu.org>
4407 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
4408 remove obsolete code
4409 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
4410 * fixinc/fixincl.tpl: make non-exported arrays static scope
4411 * fixinc/fixincl.x: regenerate
4412 * fixinc/fixlib.h: Use PARAMS, not _P_
4413 * fixinc/fixtests.c: make a type for the test proc & use it
4414 * fixinc/server.h: Use PARAMS, not _P_
4416 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4418 * c-typeck.c (process_init_element): Avoid union init warnings on
4419 floating point zero. Don't crash on unions containing structs.
4421 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
4423 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
4424 general_movsrc_operand, and remove CONST_INT from
4425 general_movdst_operand.
4427 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4429 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
4430 if a reference to non-fixed hardreg is seen. Otherwise, count hard
4431 regs with a higher cost.
4432 (preferrable): Deal with cases where either cost or regcost is
4434 (cse_insn): Use MAX_COST rather than 10000. Always initialize
4436 (COSTS_N_INSNS): Move definition...
4438 (MAX_COST): New macro.
4439 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
4442 2000-09-11 Mark Mitchell <mark@codesourcery.com>
4444 * c-common.h (genrtl_clear_out_block): Remove.
4445 * c-semantics.c (genrtl_clear_out_block): Remove.
4446 (genrtl_while_stmt): Don't call it.
4447 (genrtl_for_stmt): Likewise.
4449 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4451 * cppfiles.c: Move all default-#defines to top of file.
4452 (open_include_file): Replace by lookup_include_file.
4453 (read_with_read, read_file): Merged into read_include_file.
4454 (stack_include_file, purge_cache): New functions.
4455 (close_cached_fd): Delete.
4456 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
4457 Cache the in-memory buffer, not the file descriptor.
4459 * cpphash.h (struct include_file): Add buffer, st, refcnt,
4461 (xcnew): New utility macro.
4462 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
4463 * cpplib.h (struct cpp_buffer): Remove mapped field.
4465 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4467 * cpplex.c (parse_string): Accept backslash space newline as a
4469 (lex_line): Likewise.
4470 (_cpp_get_token): Remove hard limit on macro nesting.
4472 2000-09-12 Philipp Thomas <pthomas@suse.de>
4474 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
4475 * configure: Rebuilt.
4477 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4479 * flow.c (split_block): Fix update of registers live at
4482 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4484 * i386.md (add?i_3, add?i_5): New.
4485 (add?i_4): Rename from add?i_3; Fix compare pattern.
4486 (sub?i_3, xor?i_3, ior?i_3): New.
4488 * genrecog.c (write_tree): Output code to clear insn_extract cache.
4489 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
4490 instead of extract_insn and extract_constrain_insn_cache instead of
4491 extract_insn and constrain_operands.
4492 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
4494 (extract_insn): Clear which_alternative.
4495 (constrain_operands): Set which_alternative to -1 when failed.
4496 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
4499 2000-09-11 Matthew Hiller <hiller@redhat.com>
4501 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
4502 on operand 0 to '+'.
4503 (movstricthi): Likewise.
4505 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4507 * loop.h (LOOP_IVS): New macro.
4508 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
4509 (struct loop_ivs): New.
4510 (struct loop_info): Add ivs field.
4511 (reg_iv_type, reg_iv_info): Delete prototype.
4512 (reg_biv_class, loop_iv_list): Likewise.
4513 * loop.c (record_biv, find_life_end): Pass loop argument.
4514 (reg_iv_type): Remove global array and use
4515 field in loop_regs structure within loop_ivs structure.
4516 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
4517 (first_increment_giv, last_increment_giv): Use entry in
4519 (record_initial): Pass ivs pointer.
4520 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
4522 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4524 * loop.h (LOOP_REGS): New macro.
4525 (struct loop_regs): New.
4526 (struct loop_info): Add regs field.
4527 * loop.c (set_in_loop): Remove global array and store
4528 in loop_regs structure as part of loop_info structure.
4529 (n_times_set, may_not_optimize): Likewise.
4530 (reg_single_usage, moved_once): Likewise.
4531 (count_one_set): Add regs argument.
4532 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
4533 (set_pseudo_multiple_uses): Pass regs pointer.
4535 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4537 * unroll.c (iteration_info): Subsume into loop_iterations.
4538 * loop.h (loop_info): New field iv.
4540 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4542 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
4543 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
4544 (flow_loops_update): New prototype.
4545 (flow_loops_find): Add flags to prototype.
4546 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
4547 * flow.c (flow_loop_pre_header_scan): New.
4548 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
4549 (flow_loop_free): Free pre-header root and trace and exit dominators.
4550 (flow_loops_find): New argument flags.
4551 (flow_loops_update): New function.
4552 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
4554 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4556 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
4557 * flow.c (split_block, update_bb_for_insn): New functions.
4559 2000-09-11 Richard Henderson <rth@cygnus.com>
4561 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
4563 2000-09-11 Richard Henderson <rth@cygnus.com>
4565 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
4566 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
4567 (ia64_override_options): Prevent optimizing division for both
4568 latency and throughput.
4569 (rtx_needs_barrier): Handle frcpa.
4570 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
4571 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
4572 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
4573 (TARGET_SWITCHES): Add -minline-divide-min-latency and
4574 -minline-divide-max-throughput.
4575 (PREDICATE_CODES): Update.
4576 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
4577 (zero_extendsidi2): Likewise. Fix typo in f case insn.
4578 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
4579 (extendsftf2): Likewise.
4580 (extenddftf2): Likewise.
4581 (fix_trunctfdi2_alts): New.
4582 (fixuns_trunctfdi2_alts): New.
4583 (madd*4): Rename from madd*3.
4584 (divsi3, modsi3, udivsi3, umodsi3): New.
4585 (divsi3_internal): New.
4586 (divdi3, moddi3, udivdi3, umoddi3): New.
4587 (divdi3_internal_lat, divdi3_internal_thr): New.
4588 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4589 (recip_approx): New.
4591 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4593 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4594 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4596 * integrate.c (copy_rtx_and_substitute): Don't share
4597 LEAF_REG_REMAPpable registers with the inlined function. Don't
4598 share the function value with calling sequences.
4600 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4602 * c-decl.c (do_case): Fix a typo.
4604 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4605 to a if the comparison is floating mode and not -ffast-math.
4606 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4608 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4610 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4611 gen_ic_invalidate_line.
4613 2000-09-11 Philip Blundell <pb@futuretv.com>
4615 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4617 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4619 * install.texi (LANGUAGES): Update to include new languages.
4622 2000-09-11 DJ Delorie <dj@redhat.com>
4624 * gcc.c (main): Don't warn about unused -B prefixes
4625 (unused_prefix_warnings): remove
4627 2000-09-11 Kazu Hirata <kazu@hxi.com>
4629 * final.c: Fix formatting.
4631 * integrate.c: Fix formatting.
4633 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4635 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4637 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4639 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4641 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4643 * gcc.1: Document 68hc11 specific options.
4645 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4647 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4648 (TARGET_LONG_DOUBLE_128): Define.
4649 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4650 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4651 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4652 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4653 of __LONG_DOUBLE_128__.
4654 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4656 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4657 (CPP_SYSV_DEFAULT_SPEC): Define.
4658 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4659 (INIT_TARGET_OPTABS): Define.
4661 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4662 (RS6000_UITRUNC): Likewise.
4663 (INIT_TARGET_OPTABS): New macro.
4664 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4665 (trunc_defined): Delete.
4666 (output_prolog): Don't output .extern definitions for fp->int
4667 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4668 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4669 (trunc_defined): Delete.
4670 (RS6000_ITRUNC): Moved to aix.h.
4671 (RS6000_UITRUNC): Likewise.
4672 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4673 only emit a libcall.
4674 (fixuns_truncdfsi2): Delete.
4675 (trunc_call): Delete.
4676 (trunc_call_rtl): Delete.
4678 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4680 * varasm.c (make_decl_rtl): Restore leading star on
4681 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4683 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4685 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4686 won't give a spurious error for '#pragma pack()'. Simplify
4687 control flow for readability. 'reset' action is not necessary.
4689 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4691 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4692 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4693 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4694 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4696 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4697 profile.c, sdbout.c, tradcif.y, tree.c:
4698 Include defaults.h if not already included.
4699 Don't define the above macros.
4701 * Makefile.in: Update dependencies.
4703 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4705 * c-common.h (add_stmt): Change prototype.
4706 (RECHAIN_STMTS): New macro.
4707 (CASE_LABEL_DECL): Likewise.
4708 (genrtl_case_label): Change prototype.
4709 (c_expand_start_case): Remove prototype.
4710 (build_case_label): Change prototype.
4711 (decl_constant_value): Declare.
4712 * c-common.c (check_case_value): Handle C++'s extensions to C
4714 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4716 * c-parse.in (stmt): Adjust handling of return statements and case
4718 * c-semantics.c (add_stmt): Return the new statement.
4719 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4720 returned expression. Directly generate RTL, rather than calling
4722 (genrtl_switch_stmt): Don't call c_expand_start_case.
4723 (build_case_label): Take the LABEL_DECL as input, too.
4724 (genrtl_case_label): Just call add_case_node.
4725 (expand_stmt): Adjust calls to genrtl_return_stmt and
4727 * c-tree.h (c_expand_start_case): Declare.
4728 * c-typeck.c (decl_constant_value): Give it external linkage.
4729 (c_expand_return): Don't call expand_return or expand_null_return;
4730 use genrtl_return_stmt instead.
4731 * stmt.c (struct nesting): Remove num_ranges field.
4732 (add_case_node): Give it external linkage.
4733 (expand_start_case): Don't set num_ranges.
4734 (expand_start_case_dummy): Don't clear it.
4735 (pushcase): Rely on add_case_node to handle `default' labels.
4736 (add_case_node): Handle `default' labels.
4737 * tree.c (tree_int_cst_compare): New function.
4738 * tree.h (tree_int_cst_compare): Declare.
4739 (add_case_node): Likewise.
4741 2000-09-10 Richard Henderson <rth@cygnus.com>
4743 * c-parse.in: Revert last change.
4744 (init_reswords): Do not enter disabled keywords into the ridpointers
4745 table, modulo objc weirdness.
4746 (_yylex): Return the canonical spelling for a keyword.
4748 2000-09-10 Philip Blundell <philb@gnu.org>
4750 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4751 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4753 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4755 * alias.c (find_base_term): Handle ADDRESSOF.
4756 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4758 2000-09-10 Denis Chertykov <denisc@overta.ru>
4760 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4761 outputting templates with many lines.
4763 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4765 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4766 to decide whether 64-bit support must be generated.
4768 2000-09-10 Richard Henderson <rth@cygnus.com>
4770 * c-parse.in (asm patterns): Fix volatile check.
4772 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4774 * cppmacro.c (check_trad_stringification): New function.
4775 (save_expansion): If -Wtraditional, warn about stringification of
4778 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4780 * loop.h (struct loop_mem_info): Move from loop.c
4781 (struct loop_info): Add fields store_mems, mems, mems_idx,
4782 mems_allocated, unknown_address_altered,
4783 unknown_constant_address_altered, num_mem_sets, and
4784 first_loop_store_insn.
4786 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4787 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4788 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4789 (num_mem_sets): Likewise.
4790 (replace_loop_mems, replace_loop_regs): New.
4791 (struct loop_replace_args): New.
4792 (load_mems): Use replace_loop_mems.
4793 (try_copy_prop): Use replace_loop_regs.
4794 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4796 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4798 * configure.in: Recognize m6811-elf and m6812-elf.
4799 * configure: Regenerate.
4801 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4803 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4806 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4808 * loop.c (struct movables): New.
4809 (num_movables): Move into struct movables.
4810 (the_movables): Change type to struct movables.
4811 (ignore_some_movables): Change struct movable arg to struct movables.
4812 (force_movables, combine_movables, regs_match_p): Likewise.
4813 (rtx_equal_for_loop_p, move_movables): Likewise.
4814 (scan_loop): Change movables to be of type struct movables.
4815 Replace last_movable with field in movables structure.
4817 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4819 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4820 (init_pragma): Avoid warning if pfile happens to be unused.
4821 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4822 define init_pragma to nothing. Always prototype
4823 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4825 * c-lex.c (process_directive): Always call dispatch_pragma.
4826 Initialize entering_c_header to 0.
4828 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4830 * config/m68hc11/m68hc11.md: New file, machine description for
4832 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4833 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4834 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4835 * config/m68hc11/m68hc11-protos.h: New file.
4836 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4837 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4838 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4839 * config/m68hc11/larith.asm: New file, libgcc routines.
4841 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4843 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4844 (FPBIT_FUNCS): Add _usi_to_sf.
4845 * config/fp-bit.c (usi_to_float): New function.
4846 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4847 (usi_to_float): Add appropriate #define.
4849 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4851 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4853 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4854 * i386.md (attr "type"): Add sse and mmx types.
4855 (attr "memory"): Handle them without a crash.
4856 (movsi_1, movdi_2): Allow MMX regs.
4857 (movdi splits): Don't split moves involving MMX regs.
4858 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4859 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4860 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4861 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4862 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4863 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4864 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4865 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4866 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4867 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4868 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4869 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4870 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4871 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4872 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4873 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4874 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4875 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4876 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4877 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4878 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4879 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4880 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4881 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4882 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4883 mmx_clrdi): New patterns.
4885 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4887 * arm.c: Don't include tm.h directly.
4889 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4891 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4892 testing; simplify subregs of constants and nested subregs.
4894 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4896 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4898 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4900 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4902 * rtl.texi (description of USE): Add note about possible pitfalls
4904 From Richard Henderson:
4905 * reload1.c (choose_reload_regs): Compute need_mode properly.
4907 2000-09-07 Richard Henderson <rth@cygnus.com>
4909 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4910 (__modsi3, __umodsi3): Likewise.
4911 (__udivsi3): Likewise. Normalize the TFmode values.
4913 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4915 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4917 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4920 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4922 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4923 (cmpeqdi_t): Add output pattern.
4924 (cmpeqdi_t+1): Don't split when not optimizing.
4925 Restore proper splitting operation.
4927 2000-09-07 Richard Henderson <rth@cygnus.com>
4929 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4930 do not call dispatch_pragma.
4932 2000-09-07 Jim Wilson <wilson@cygnus.com>
4934 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4935 to CLASS_CANNOT_CHANGE_MODE.
4936 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4937 mode classes are different.
4939 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4941 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4942 left out of commit which removed cppulp.c.
4944 2000-09-07 Richard Henderson <rth@cygnus.com>
4946 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4947 after switch for CASE_DROPS_THROUGH.
4949 2000-09-07 Richard Henderson <rth@cygnus.com>
4951 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4952 Properly extend the biv initial value for the giv.
4953 (record_biv): Zero ext_dependant.
4954 (record_giv): New argument ext_val. Update all callers.
4955 (general_induction_var): Likewise.
4956 (consec_sets_giv): Likewise.
4957 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4958 a sign-extend, zero-extend, or truncate.
4959 (combine_givs_p): Make sure modes are compatible.
4960 (check_ext_dependant_givs): New.
4961 (extend_value_for_giv): New.
4962 * loop.h (struct induction): Add ext_dependant.
4963 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4964 (find_splittable_givs): Likewise.
4965 (final_giv_value): Likewise.
4967 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4969 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4970 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4971 definitions from cpplib.h.
4972 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4974 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4975 documentation for REGISTER_TARGET_PRAGMAS.
4977 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4978 default-pragma callback to implement -Wunknown-pragmas if
4980 * c-parse.in: Move all includes to top of file.
4981 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
4983 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
4985 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
4987 * arm.h, arm-protos.h, arm.c,
4988 c4x.h, c4x-protos.h, c4x.c,
4989 h8300.h, h8300-protos.h, h8300.c,
4990 i370.h, i370-protos.h, i370.c,
4991 i960.h, i960-protos.h, i960.c,
4992 sh.h, sh-protos.h, sh.c,
4993 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
4994 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
4996 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
4997 multiple include guard.
4998 * i370.md (untyped_call): Use GEN_CALL.
4999 (umodsi3): Remove unused variable.
5000 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
5001 * v850.c (output_move_single, output_move_double): Constify
5003 (print_operand): Constify a char *.
5004 * v850.h (struct small_memory_info): Constify name member.
5006 2000-09-07 Kazu Hirata <kazu@hxi.com>
5008 * config/h8300.h: Fix comment typos.
5009 * config/h8300/h8300.md: Likewise.
5010 * config/h8300/lib1funcs.asm: Likewise.
5012 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
5014 * Makefile.in: Remove references to cppulp.{c,o}.
5015 * cppinit.c (initialize_builtins, cpp_start_read,
5016 cpp_handle_option): Update to use cpp_options structure.
5019 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
5021 * c-common.c (time_char_table): Allow %#b and %#h.
5023 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5025 * reorg.c (find_end_label): If the basic block reorder pass moves the
5026 return insn to some other place try to locate it again and put our
5027 end_of_function_label there.
5028 * reorg.c (relax_delay_slots): Check if find_end_label created a
5029 new label that invalidates the current optimazation.
5031 2000-09-07 Catherine Moore <clm@redhat.com>
5033 * unroll.c (unroll_loop): Check for unconditional jumps
5034 to loop continuation. Delete if n_iterations is 1.
5035 (ujump_to_loop_cont): New routine.
5037 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
5039 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
5041 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
5042 to handle multiword modes correctly. All callers and the declaration
5045 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5047 * c-common.h (prep_stmt): Declare.
5048 (lang_expand_stmt): Likewise.
5049 * c-decl.c (lang_expand_stmt): Remove.
5050 * c-semantics.c (lang_expand_stmt): Define.
5051 (prep_stmt): New function.
5052 (expand_stmt): Handle common statement types here.
5054 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
5056 * configure.in (sh-*-linux*): Added.
5057 * configure: Rebuilt.
5058 * config/sh/t-linux: New file.
5059 * config/sh/sh.h (USERMODE_BIT): Define.
5060 (TARGET_USERMODE): Likewise.
5061 (TARGET_SWITCHES): New switches for the bits above.
5062 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
5063 * config/sh/linux.h: New file.
5064 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
5065 underscore on linux.
5066 (L_sdivsi3, L_udivsi3): Define for linux.
5067 (L_ic_invalidate): Define.
5068 * invoke.texi (SH Options): Document -musermode.
5070 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
5072 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
5073 CSE unless generating PIC.
5075 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
5078 2000-09-06 H.J. Lu (hjl@gnu.org)
5080 * Makefile.in (clean_s1): Depend on stage_b.
5081 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
5082 stage2. They are used for "make compare".
5084 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5086 Move statement-tree facilities from C++ to C front-end.
5087 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
5088 (void_zero_node): New macro.
5089 (struct stmt_tree_s): New type.
5090 (stmt_tree): New typedef.
5091 (struct language_function): New type.
5092 (last_tree): New macro.
5093 (last_expr_type): Likewise.
5094 (walk_tree_fn): New typedef.
5095 (current_stmt_tree): New function.
5096 (begin_stmt_tree): Likewise.
5097 (add_stmt): Likewise.
5098 (finish_stmt_tree): Likewise.
5099 (statement_code_p): Likewise.
5100 (lang_statement_code_p): New variable.
5101 (walk_stmt_tree): New function.
5102 (STMT_IS_FULL_EXPR_P): New macro.
5103 * c-common.c (lang_statement_code_p): New variable.
5104 (c_common_nodes_and_builtins): Initialize void_zero_node.
5105 (statement_code_p): New function.
5106 (walk_stmt_tree): Likewise.
5107 * c-decl.c (language_function): Rename to ...
5108 (c_language_function): ... this. Include language_function.
5109 (push_c_function_context): Adjust accordingly.
5110 (pop_c_function_context): Likewise.
5111 (mark_c_function_context): Likewise.
5112 (current_stmt_tree): Define.
5113 * c-semantics.c (begin_stmt_tree): New function.
5114 (add_stmt): Likewise.
5115 (prune_unused_decls): Likewise.
5116 (finish_stmt_tree): Likewise.
5118 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5120 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
5122 2000-09-06 Kazu Hirata <kazu@hxi.com>
5124 * calls.c: Fix formatting.
5126 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
5128 * config/i386/i386.h (ADDRESS_COST): Fix typo.
5130 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5132 Integrated preprocessor.
5134 * Makefile.in: Remove all references to c-parse.gperf,
5135 c-gperf.h, and c-parse.h. Remove -d from yacc command line
5136 generating c-parse.c. Update dependencies.
5137 * c-parse.gperf, c-gperf.h: Delete.
5139 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
5140 yy_lim, or yy_get_token. Don't define get_directive_line if
5142 * c-common.h: Add multiple include guard. Define RID values
5143 for every keyword in C, C++, and Objective C. Put all the
5145 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
5146 * c-decl.c (c_decode_option): Handle -lang-objc here.
5147 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
5148 (grokdeclarator): Adjust for new RID scheme.
5149 (extract_interface_info): New stub.
5150 * c-lang.c: Don't declare yy_cur or parse_options.
5151 (lang_init_options): Call cpp_init. Don't call
5153 (lang_init): Don't call check_newline if USE_CPPLIB.
5155 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
5156 Elide lots of unnecessary code if USE_CPPLIB. Delete code
5157 rendered unnecessary by new architecture. Move routines not
5158 shared with C++ to c-parse.in. Maintain a local idea of the
5159 line number. Handle C++ as well as C.
5160 [USE_CPPLIB]: Declare and register callbacks for #ident and
5161 for entering/leaving files.
5162 (init_c_lex, c_lex): Are now the entry points to this file.
5163 (check_newline): Break out directive handling to
5165 (read_ucs, is_extended_char, utf8_extend_token): Moved here
5167 (readescape, parse_float): Overhaul.
5168 (lex_number, lex_string, lex_charconst): Break out of c_lex
5170 (get_fileinfo, update_header_times, dump_one_header,
5171 dump_time_statistics): New and/or moved here from C++.
5172 Support per-file data needed by C++ and per-header timing
5173 statistics (C++ only, at the moment).
5174 * c-lex.h: Update prototypes. Add multiple include guard.
5175 * c-tree.h (struct lang_identifier): Add rid_code field.
5176 (C_IS_RESERVED_WORD, C_RID_CODE): New.
5178 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
5179 reinit_parse_for_function and/or position_after_white_space.
5180 (save_filename, save_lineno): Look ahead before saving.
5181 (label -> identifier ':'): Save file and line before shifting ':'.
5182 (reservedwords): No need to call get_identifier.
5183 (init_parse, finish_parse, yyerror, yylex, yyprint,
5184 make_pointer_declarator): Are now here for C/ObjC.
5185 (rid_to_yy): Conversion table from RID constants to Yacc codes.
5187 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
5188 #pragma registry. Provide dummy implementation of that
5189 interface if !USE_CPPLIB.
5190 * c-pragma.h: Update to match.
5192 * flags.h: Add multiple include guard.
5193 (flag_detailed_statistics): Moved here from C++.
5194 * toplev.c: Define flag_detailed_statistics.
5196 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
5198 * timevar.def (TV_CPP, TV_LEX): New.
5199 * timevar.h: Add multiple include guard.
5201 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
5203 * objc/objc-act.c: Don't mention yy_cur or parse_options.
5204 Initialize cpplib properly. Force lineno to 0 after first
5205 call to check_newline. Don't handle -lang-objc here.
5206 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
5208 2000-09-06 David Edelsohn <edelsohn@gnu.org>
5210 * rs6000.md: Correct function unit definitions for cr_logical and
5212 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
5213 and use portable method for >=0 and floating point >=. Remove
5214 associated matchers.
5216 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5218 * extend.texi: Mark named return value extension as deprecated.
5220 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5222 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
5225 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
5227 * toplev.c (display_help): Fix thinko in documentation.
5229 * diagnostic.h (output_buffer::indent_skip): New fields.
5230 (output_indentation): New macro.
5232 * diagnostic.c (output_indent): New function.
5233 (output_set_prefix, clear_diagnostic_info): Use.
5234 (output_emit_prefix): Predict future indentation.
5236 2000-09-06 DJ Delorie <dj@redhat.com>
5238 * Makefile.in (stage_*): add more dependencies to ensure parallel
5239 builds build correctly
5241 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
5243 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
5244 not bootstrap-lean_f.
5246 2000-09-06 Andreas Schwab <schwab@suse.de>
5248 * mklibgcc.in: Emit rule for libgcc-stage-start.
5249 * Makefile.in (stage1-start, stage2-start, stage3-start,
5250 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
5252 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
5254 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
5255 (update_equiv_regs): Likewise, except for the mn10200 kludge.
5256 (combine_regs): Likewise.
5258 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
5259 * cse.c: Include "basic-block.h".
5260 (struct table_elt): New field REGCOST.
5261 (CHEAP_REG): Delete macro.
5262 (COST): Return 0 for REGs.
5263 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
5264 (notreg_cost): Return 0 for appropriate SUBREGs.
5265 (COSTS_N_INSNS): Return N * 2.
5266 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
5268 (CHEAPER): Use new function preferrable.
5269 (insert): Initialize REGCOST member.
5270 (find_best_addr): Use approx_reg_cost for estimation of register
5272 (cse_insn): Likewise.
5273 * loop.c (iv_add_mult_cost): New function.
5274 (add_cost, shift_cost, mult_cost): Delete variables.
5275 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
5276 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
5277 Make code that detects autoinc opportunities slightly less optimistic.
5278 (simplify_giv_expr): If expression contains other reg that is also a
5279 giv, only increment benefit if this is the only use of that reg.
5280 (consec_sets_giv): Take that change into account.
5281 (combine_givs): Slightly more verbose output.
5283 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
5284 not the cost of an equivalent shift.
5285 * sh-protos.h (addsubcosts): Declare.
5286 * sh.c (addsubcosts): New function.
5287 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
5288 (RTX_COSTS): Tweak. Use addsubcosts.
5289 (ADDRESS_COST): Return higher cost for reg+reg addressing.
5291 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5293 * config/rs6000/rs6000.c (validate_condition_mode): New function.
5294 (branch_comparison_operator): Call validate_condition_mode to
5295 abort rather than returning 0.
5296 (branch_positive_comparison_operator): New function.
5297 (scc_comparison_operator): Call validate_condition_mode to abort
5298 rather than returning 0.
5299 (ccr_bit): Call validate_condition_mode. Update for
5301 (print_operand): Delete %C modifier. Update %E case
5302 to use EQ bit not SO bit.
5303 (rs6000_reverse_condition): New function.
5304 (rs6000_generate_compare): New function.
5305 (rs6000_emit_sCOND): New function.
5306 (rs6000_emit_cbranch): New function.
5307 (output_cbranch): The length of a long branch insn is
5308 now only 8 bytes. Add validate_condition_mode. Use
5309 rs6000_reverse_condition. Remove cror generation.
5311 * config/rs6000/rs6000.h: Update comments.
5312 (PREDICATE_CODES): Add new predicate. Update codes used
5313 by branch_comparison_operator and scc_comparison_operator.
5314 * config/rs6000/rs6000-protos.h: Add prototypes for
5315 new external functions.
5316 * config/rs6000/rs6000.md: Add new scheduling parameters
5317 for cr_logical instructions. Change length of branch
5319 (bCOND patterns): Call rs6000_emit_cbranch.
5320 (sCOND patterns): Call rs6000_emit_sCOND.
5321 (branch patterns): Change lengths to 4.
5322 (cr logical patterns): New.
5324 2000-09-06 Richard Henderson <rth@cygnus.com>
5326 * config/i386/i386.md (call_pop): Fix test for setting
5327 current_function_uses_pic_offset_table.
5328 (call, call_value_pop, call_value): Likewise.
5330 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5332 * timevar.c (timevar_add): Delete.
5333 (timevar_get): Also count time since the selected timer was
5334 last updated. Do not examine the timevar stack if the
5335 selected timer is standalone.
5337 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5339 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
5341 2000-09-05 Jason Merrill <jason@redhat.com>
5343 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
5344 for 'extern' arrays.
5346 2000-09-05 Richard Henderson <rth@cygnus.com>
5348 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
5349 Eliminate final copy from non-trapping case.
5350 (__divdf3, __divsf3): Likewise.
5352 2000-09-05 Richard Henderson <rth@cygnus.com>
5354 * config/ia64/ia64.md (mulhi3): Fix typo last change.
5355 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
5357 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
5359 * Makefile.in: Restructure bootstrap stages to allow clean
5360 restart after failure.
5362 2000-09-05 Richard Henderson <rth@cygnus.com>
5364 * config/ia64.md (movsi and movdi patterns): Allow moves from
5365 8-bit constants to AR registers.
5367 2000-09-05 Richard Henderson <rth@cygnus.com>
5369 * config/ia64/ia64.md (mulhi3): New.
5371 2000-09-05 Richard Henderson <rth@cygnus.com>
5373 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
5374 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
5375 Optimization Guide, minimum latency alternative.
5376 (__moddi3, __udivdi3, __umoddi3): Likewise.
5377 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
5379 2000-09-05 Bruce Korb <bkorb@gnu.org>
5381 * fixinc/fixincl.c (load_file): always read header files
5382 with sizes that are a multiple of the page size.
5383 & use libiberty's getpagesize for determining that.
5385 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
5387 * gcse.c (hash_string_1): Add prototype.
5388 * cse.c (canon_hash_string): Likewise.
5390 2000-09-04 Craig Newell <CraigN@ieee.org>
5392 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
5394 2000-09-04 Andreas Schwab <schwab@suse.de>
5396 * Makefile.in (STAGESTUFF): Remove libgcc.
5397 (stage1-start, stage2-start, stage3-start): Copy the contents of
5398 the libgcc directory explicitly.
5399 (mostlyclean): Clean libgcc.
5401 2000-09-04 Andrew Haley <aph@redhat.com>
5403 * dwarf2out.c: (stack_adjust_offset): New prototype.
5405 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
5407 * combine.c (make_extraction): Fix rtx_cost comparison to
5410 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
5412 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
5413 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
5414 Add '*' to insn pattern name.
5416 2000-09-04 Jakub Jelinek <jakub@redhat.com>
5418 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
5419 use posn - 1 to index into tokens array.
5420 (maybe_paste_with_next): Adjust caller.
5422 2000-09-03 Geoff Keating <geoffk@cygnus.com>
5424 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
5426 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
5427 (REGNO_REG_CLASS): Use symbolic register
5430 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
5432 * arm.c (final_prescan_insn): If the form of a jump insn isn't
5433 recognized, don't try to conditionally execute it.
5435 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
5437 * config/avr/avr.md ("*tablejump_lib"): New pattern.
5438 (call_value_insn): Right length claculation.
5439 (call_insn): Likewise.
5441 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
5443 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
5444 gas_output_limited_string, gas_output_ascii, output_movqi,
5445 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
5446 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
5447 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
5448 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
5449 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
5450 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
5451 Add "const" as needed to remove warnings.
5453 * config/avr/avr.c (avr_override_options, avr_init_once,
5454 function_prologue, function_epilogue, frame_pointer_required_p,
5455 class_likely_spilled_p, order_regs_for_local_alloc,
5456 avr_address_cost, avr_ret_register): Use K&R style arguments.
5457 (initial_elimination_offset, gas_output_limited_string):
5458 Remove ATTRIBUTE_UNUSED from the used arguments.
5459 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
5460 Use local variables src, dest, base to access operands[].
5461 Rename reg_dest to reg_src if that's what it is.
5462 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
5463 constants to LD_REGS if reg_was_0.
5464 (output_reload_insisf): Change arg 3 to insn length and set it.
5465 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
5466 access to 16-bit I/O register pairs.
5467 (avr_address_cost): Lower cost for the above case.
5468 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
5469 may be clobbered, also for LD_REGS.
5470 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
5473 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
5475 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
5476 macro to test_hard_reg_class function.
5477 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
5478 for loading immediate constants to LD_REGS.
5479 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
5482 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
5484 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
5485 * config/avr/libgcc.S: Lost part of the previous patch.
5487 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5489 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
5490 object before calling pthread_mutex_init.
5492 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
5494 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
5495 config/sh/crtn.asm: New files.
5496 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
5497 (crt1.o, crti.o, crtn.o): New targets.
5498 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
5500 * configure: Rebuilt.
5501 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5502 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
5503 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5504 Undefine for config/elfos.h to redefine.
5505 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
5507 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
5509 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
5510 legitimize_pic_address, output_pic_addr_const): Declare.
5511 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
5512 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
5513 (TARGET_SWITCHES): New switch -mprefergot.
5514 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
5515 (PIC_OFFSET_TABLE_REGNUM): Define.
5516 (GOT_SYMBOL_TABLE): Likewise.
5517 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
5518 (ENCODE_SECTION_INFO): Define.
5519 (FINALIZE_PIC): New macros.
5520 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
5521 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
5522 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
5523 (prepare_move_operands): Call emit_pic_move or
5524 emit_pic_const_move if appropriate.
5525 (output_far_jump): For PIC, use braf and output long offset.
5526 (machine_dependent_reorg):
5527 (sh_expand_prologue): Save and initialize the PIC register.
5528 (sh_expand_epilogue): Restore it.
5529 (initial_elimination_offset): Account for it.
5530 (nonpic_symbol_mentioned_p): New function.
5531 (legitimize_pic_address): Likewise.
5532 (output_pic_addr_const): Likewise.
5533 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
5534 (call, call_value): Use them.
5535 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
5536 symPLT_label2reg): New expands.
5537 * invoke.texi (SH Options): Document -mprefergot.
5539 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
5541 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
5542 * gcse.c (hash_string_1): New function.
5543 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
5544 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
5545 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
5546 (canon_hash_string): New function.
5547 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
5548 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
5549 (fold_rtx): Use ASM_OPERANDS accessor macros.
5550 * emit-rtl.c (copy_insn_1): Likewise.
5551 * integrate.c (copy_rtx_and_substitute): Likewise.
5552 * stmt.c (expand_asm_operands): Likewise. Give an
5553 ASM_OPERANDS rtx the mode of the output reg being set from it.
5555 2000-09-01 Fred Fish <fnf@be.com>
5557 * fix-header.c (write_rbrac): Add putc and getc to list of
5558 functions to protect against prior definition as a macro.
5560 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
5562 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
5563 (c_size_type_node): Define.
5564 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
5565 * c-common.c (enum format_lengths, enum format_std_version,
5566 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
5567 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
5568 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
5569 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
5570 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
5571 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
5572 format_types): Define.
5573 (format_char_info, print_char_table, scan_char_table,
5574 time_char_table): Rearrange for new organization of information
5575 about format length modifiers and standard versions.
5576 (T_ST): Redefine to use c_size_type_node.
5577 (check_format_info): Obtain information about length modifiers and
5578 standard versions from tables. Adjust warning message wordings.
5579 Use the name from the user's program for `ll' and `hh' length
5580 modifiers in warning messages. Use more informative names for
5581 wanted types where available (for wchar_t, wint_t, size_t, signed
5582 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
5584 2000-09-01 Jim Wilson <wilson@cygnus.com>
5586 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5587 * combine.c (distribute_notes): Handle REG_NORETURN.
5588 * rtl.c (reg_note_name): Add REG_NORETURN.
5589 * rtl.h (enum reg_note): Likewise.
5591 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5593 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5594 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5595 (emit_predicate_relation_info): Handle conditional calls with
5597 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5598 instead of ia64_file_start.
5599 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5600 * config/ia64/ia64.md (safe_across_calls_all,
5601 save_across_calls_normal): New patterns.
5603 * loop.c (check_final_value): Check for biv use before checking for
5604 giv use. Check for both biv and giv uses. Always set last_giv_use
5605 if there is a giv use.
5607 2000-09-01 Richard Henderson <rth@cygnus.com>
5609 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5610 (madddi3): Likewise.
5613 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5615 * expr.c (clear_storage): Don't use emit_move_insn unless
5616 either BLKmode or proper size.
5617 (store_constructor): Don't call clear_storage if REG of wrong size.
5619 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5620 of function if returns wiht stack pointer depressed.
5622 2000-09-01 Andrew Haley <aph@redhat.com>
5624 * dwarf2out.c (stack_adjust_offset): New function.
5625 (dwarf2out_stack_adjust): Break out stack adjust logic into
5626 new stack_adjust_offset function. Look inside parallels and
5627 sequences for stack adjustments.
5629 2000-08-31 Jeff Law <law@cygnus.com>
5631 * arm.md: Use no_new_pseudos to determine when it is safe
5632 to create new pseudo registers.
5634 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5635 when we can safely allocate new registers.
5637 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5639 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5640 so that CONCATs are not generated for ASMs.
5641 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5642 not generating_concat_p.
5643 * function.c (pop_function_context_from): Reset
5644 generating_concat_p.
5645 (prepare_function_start): Likewise.
5646 * rtl.c (generating_concat_p): Define.
5647 * rtl.h (generating_concat_p): Declare.
5648 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5650 2000-08-22 Philipp Thomas <pthomas@suse.de>
5651 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5653 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5656 2000-08-30 Greg McGary <greg@mcgary.org>
5658 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5659 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5660 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5662 2000-08-30 Greg McGary <greg@mcgary.org>
5664 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5665 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5666 (TREE_INT_CST): New macro.
5667 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5668 Use new macro TREE_INT_CST.
5670 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5672 * contrib.texi: Add self.
5674 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5676 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5677 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5680 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5682 * fixinc/gnu-regex.c: Don't define `const'.
5684 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5686 * expr.c (store_constructor): Allow variable bounds of array type.
5687 (expand_expr): Don't blow up if type is ERROR_MARK.
5688 * varasm.c (output_constructor): Don't access lower bound of array
5689 type unless need it if index is supplied (so it can be a variable
5690 if no index is supplied).
5691 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5692 Other minor cleanups.
5694 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5696 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5697 for compilations in stage 1 and subsequent stages, respectively.
5698 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5699 * configure: Rebuilt.
5700 * x-vax, x-vax-gcc: Deleted.
5702 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5704 * c-common.c (declare_function_name): Use func_id_node,
5705 function_id_node, and pretty_function_id_node. Do not make
5706 __func__ visible at file scope.
5707 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5708 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5709 (function_id_node, pretty_function_id_node, func_id_node): New
5711 * c-decl.c (init_decl_processing): Initialize function_id_node,
5712 pretty_function_id_node, and func_id_node.
5713 (c_make_fname_decl): Correct comment.
5715 * tree.h (struct tree_identifier): Constify pointer member.
5717 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5718 * c-pragma.h (struct weak_syms): Constify name and value members.
5719 (add_weak): Constify arguments.
5721 * calls.c (special_function_p): Constify a char *.
5722 (expand_call): Remove variable which is initialized and then
5724 * dependence.c (struct def_use, struct induction, struct subscript):
5725 Constify 'variable' member.
5726 (get_low_bound, have_induction_variable): Constify char * argument.
5727 (find_induction_variable): Add braces to avoid dangling else.
5728 (classify_dependence): Constify char * arrays.
5729 * profile.c (output_func_start_profiler): Constify a char *.
5730 * stor-layout.c (finalize_record_size): Constify a char *.
5731 * tree.c (is_attribute_p): Constify a char *.
5732 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5734 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5735 for comprehensibility. Do not call get_identifier if we did
5736 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5737 create temporary string constants, not ggc_alloc_string. No
5738 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5739 char * to hold IDENTIFIER_POINTERs.
5741 2000-08-29 Richard Henderson <rth@cygnus.com>
5743 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5746 2000-08-29 Richard Henderson <rth@cygnus.com>
5748 * reload.c (push_secondary_reload): Allow class == reload_class
5749 if we're using a reload_in/out pattern.
5751 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5752 the half that does not conflict with the reload register.
5753 (reload_outti): Likewise.
5755 2000-08-29 Kazu Hirata <kazu@hxi.com>
5757 * reload.c: Fix formatting.
5759 * stmt.c: Fix formatting.
5761 * gcc.c: Fix formatting.
5763 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5765 * flags.h (time_report, mem_report): New global flags.
5766 * toplev.c: Define time_report and mem_report.
5767 (f_options): Add -ftime-report and -fmem-report.
5768 (compile_file): Turn on time_report if quiet_flag is off.
5769 Call ggc_print_statistics at very end if mem_report is on.
5770 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5772 * ggc-common.c (ggc_print_statistics): Rename to
5773 ggc_print_common_statistics; all callers changed. Scale
5774 quantities above 10K to kilobytes and above 10M to megabytes.
5775 * ggc-page.c (ggc_page_print_statistics): Rename to
5776 ggc_print_statistics. Report memory consumed by internal data
5777 structures for each allocation bucket. Scale quantities above
5778 10K to kilobytes and above 10M to megabytes.
5779 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5780 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5781 Define tally_leaves always.
5782 (ggc_print_statistics): New function.
5783 * ggc.h: Adjust for renamed functions.
5785 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5787 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5788 output_movsisf instead of which_alternative.
5790 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5792 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5794 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5795 (avr_progmem_p): New prototype.
5796 (output_movsisf): Prototype declaration changed.
5797 (output_movqi): New prototype.
5798 (output_movhi): New prototype.
5799 (call_insn_operand): Likewise.
5800 (final_prescan_insn): Likewise.
5801 (avr_simplify_comparision_p): Likewise.
5802 (avr_normalize_condition): Likewise.
5803 (compare_eq_p): Likewise.
5804 (out_shift_with_cnt): Likewise.
5805 (const_int_pow2_p): Likewise.
5806 (output_reload_inhi): Prototype declaration changed.
5808 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5809 (ldi_reg_rtx): New. rtx for r31.
5810 (avr_init_stack): Initialize as "__stack".
5811 (function_prologue): Use it.
5812 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5813 (avr_mcu_name): Initialize as "avr2".
5814 (avr_enhanced_p, avr_mega_p): New variables.
5815 (mcu_types, avr_override_options): Handle all known MCU types.
5816 Also handle avr1 (only preprocess, assemble and link).
5817 (print_operand): Using of `%K' in output template removed.
5818 (out_movqi_r_mr): Optimized.
5819 (out_movhi_r_mr): Likewise.
5820 (output_movqi): New function.
5821 (output_movhi): Likewise.
5822 (out_movsi_r_mr): Optimized.
5823 (output_movsisf): Compute insn length for `adjust_insn_length'
5824 (out_movqi_mr_r): Optimized.
5825 (out_movhi_mr_r): Optimized.
5826 (adjust_insn_length): Use output_movsisf, output_movqi,
5827 output_movhi for insn length adjusting.
5828 (reg_unused_after): Use dead_or_set_p.
5829 (preferred_reload_class): Now havn't any restriction.
5830 (reg_was_0): New function.
5831 (io_address_p): Likewise.
5832 (const_int_pow2_p): Likewise.
5833 (output_reload_inhi): Likewise.
5834 (output_reload_insisf): Likewise.
5836 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5837 (LIB_SPEC): Use -lc for all supported devices.
5838 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5839 (AVR_MEGA): Define as avr_mega_p.
5840 (AVR_ENHANCED): New, define as avr_enhanced_p.
5841 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5842 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5843 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5844 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5845 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5846 (ASM_SPEC): Pass -mmcu=... to the assembler.
5847 Change all -DAVR_* to -D__AVR_*__.
5848 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5849 Rename library functions to start with two underscores.
5850 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5852 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5853 (SUPPORTS_WEAK): Likewise.
5854 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5855 register for loading constants to r0-r14.
5857 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5859 (*mov_r_sp): Removed. Handled by output_movhi.
5860 (*mov_sp_r): Likewise.
5861 (*mov_sp_r_no_interrupts): Likewise
5862 (*mov_sp_r_tiny): Likewise.
5863 (*movqi): Use output_movqi.
5864 (*reload_inqi): New.
5865 (*movhi): Use output_movhi.
5866 (*reload_inhi): New.
5867 (*negsi2): Optimized.
5868 (*negsf2): Likewise.
5869 Added peepholes (define_peephole2) for loading constants to r0-r14
5870 and for using `cpse' command.
5872 * config/avr/libgcc.S: Rename library functions to start with two
5874 Add support for enhanced core.
5875 (_moqhi3): Fix typo, now _modqi3.
5876 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5877 (__prologue_saves__): Remove test for stack adjust by 0.
5878 (__tablejump__): New.
5880 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5881 Add multilib support.
5883 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5885 * loop.c (prescan_loop): Don't check unknown_address_altered
5886 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5887 to loop_store_mems as necessary.
5888 (loop_invariant_p): Don't check unknown_address_altered
5889 or unknown_constant_address_altered.
5891 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5893 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5895 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5897 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5898 print just the filename.
5899 * cpplex.c (_cpp_run_directive): Add additional argument, the
5900 name to give the synthetic buffer. This defaults to
5901 translated "<command line>".
5902 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5904 (_cpp_define_builtin): New function.
5905 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5906 * cpphash.h: Update prototypes.
5908 * tradcpp.c (main): Process -D and -U simultaneously, in the
5909 order they appeared on the command line.
5911 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5913 * c-decl.c (define_label): Call warning_with_file_and_line and
5914 error_with_file_and_line instead of plain warning or error.
5916 * c-parse.in (label): Use save_filename/save_lineno to ensure
5917 correct values for calls to define_label.
5919 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5921 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5923 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5925 * tree.h (get_file_function_name): Remove two duplicate
5928 2000-08-28 Kazu Hirata <kazu@hxi.com>
5930 * tree.c: Fix formatting.
5932 * xcoffout.c: Fix formatting.
5934 2000-08-28 Jason Merrill <jason@redhat.com>
5936 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5938 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5940 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5941 break_out_includes if it won't do anything.
5943 2000-08-28 Richard Henderson <rth@cygnus.com>
5945 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5946 (find_reloads): Likewise.
5947 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5948 (reload_inhi): Likewise.
5950 2000-08-28 Richard Henderson <rth@cygnus.com>
5952 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5953 (call_insn_operand): Don't expect a surrounding mem.
5954 (constant_call_address_operand): Likewise.
5955 * config/i386/i386.h (PREDICATE_CODES): Update.
5956 * config/i386/i386.md (call patterns): Move the match_operand
5957 for the call destination inside the mem.
5959 2000-08-28 Richard Henderson <rth@cygnus.com>
5961 * local-alloc.c (requires_inout): Don't use reserved range for
5962 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5963 * recog.c (asm_operand_ok): Likewise.
5964 (preprocess_constraints, constrain_operands): Likewise.
5965 * regclass.c (record_reg_classes): Likewise.
5966 * reload.c (find_reloads): Likewise.
5967 * reload1.c (maybe_fix_stack_asms): Likewise.
5968 (reload_cse_simplify_operands): Likewise.
5969 * stmt.c (expand_asm_operands): Likewise.
5971 * md.texi: Update constraints documentation.
5972 * tm.texi (EXTRA_CONSTRAINT): Update.
5974 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5976 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5977 (print_die): If we don't know the offset of the
5978 target die, try the symbol. Add a trailing newline.
5979 (reverse_all_dies): New fn.
5980 (dwarf2out_finish): Call it.
5981 (break_out_includes): Reorganize for clarity.
5982 (add_sibling_attributes): Don't call reverse_die_lists.
5983 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
5985 * flags.h: Add flag_eliminate_dwarf2_dups.
5986 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
5988 2000-08-28 Jason Merrill <jason@redhat.com>
5990 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
5991 * dwarf2out.c: #include "md5.h".
5992 (DIE_LABEL_PREFIX): New macro.
5993 (dw_val_struct): Add 'external' flag to val_die_ref.
5994 (add_AT_die_ref, AT_ref): Adjust.
5995 (AT_ref_external, set_AT_ref_external): New fns.
5996 (build_abbrev_table): Call set_AT_ref_external.
5997 (value_format): Call AT_ref_external.
5998 (die_struct): Add die_symbol field.
5999 (new_die): Clear it.
6000 (dwarf_tag_name): Handle BINCL/EINCL.
6001 (dwarf2out_start_source_file): Add BINCL DIE.
6002 (dwarf2out_end_source_file): Add EINCL DIE.
6003 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
6004 (loc_checksum, attr_checksum, die_checksum): New fns.
6005 (is_type_die, is_comdat_die, is_symbol_die): New fns.
6006 (compute_section_prefix, assign_symbol_names): New fns.
6007 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
6008 (output_die): Call output_die_symbol and AT_ref_external.
6009 (output_comdat_comp_unit): New fn, split out from...
6010 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
6012 (output_pubnames, output_aranges): Abort if we see entries from
6014 * toplev.h: Declare file_name_nondirectory.
6015 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
6016 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
6017 (debug_start_source_file): Call dwarf2out_start_source_file
6018 regardless of debug verbosity.
6019 (debug_end_source_file): Similarly.
6020 * tree.h: Declare clean_symbol_name.
6021 * tree.c (clean_symbol_name): Split out from...
6022 (get_file_function_name_long): ...here.
6024 * dwarf2out.c (new_loc_descr): Use calloc.
6025 (splice_child_die): Remove the die from the right parent.
6026 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
6028 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6030 * toplev.c (decode_g_option): Don't give warning for unknown -g
6031 option; return 0 instead.
6032 (main): If -g option is not recognized by front end or
6033 language-independent code, give warning.
6035 2000-08-28 Greg McGary <greg@mcgary.org>
6037 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
6038 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
6039 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
6041 2000-08-27 Greg McGary <greg@mcgary.org>
6043 * cpplex.c (parse_string): Don't look for backslash
6044 before first char in `namebuf'.
6045 * loop.c (strength_reduce): Skip NOTEs.
6047 2000-08-27 Jason Merrill <jason@redhat.com>
6049 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
6050 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
6051 TREE_ASM_WRITTEN, either.
6052 (finish_decl): Adjust.
6054 2000-08-28 Philipp Thomas <pthomas@suse.de>
6056 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
6057 they have been incorporated into the gettext CVS. Change the text to
6058 reflect the current status of NLS. Add instructions for accessing
6059 the gettext CVS and add the patch from Martin v. Loewis.
6061 2000-08-27 Geoff Keating <geoffk@cygnus.com>
6063 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
6064 by using gen_lowpart_common.
6065 (movdi_internal64+6): Likewise.
6067 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
6069 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
6072 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
6073 numbers to the ranges used by GDB.
6075 2000-08-25 Richard Henderson <rth@cygnus.com>
6077 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
6078 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
6079 (ia64_expand_prologue): Likewise.
6080 (ia64_setup_incoming_varargs): Set it. Properly skip the current
6081 argument for stdargs.
6083 2000-08-25 Jason Merrill <jason@redhat.com>
6085 * integrate.c (expand_inline_function): Pull out the original decl.
6087 2000-08-25 Jim Wilson <wilson@cygnus.com>
6089 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
6091 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
6093 2000-08-25 Greg McGary <greg@mcgary.org>
6095 * flow.c (dump_edge_info): Use ARRAY_SIZE.
6096 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
6098 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
6100 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
6102 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
6104 * i386.c (ix86_find_base_term): New.
6105 * i386-protos.h (ix86_find_base_term): Prototype.
6106 * i386.h (FIND_BASE_TERM): Define.
6107 * alias.c (find_base_term): Use it.
6108 * tm.texi (FIND_BASE_TERM): Document it.
6110 * alias.c (true_dependence, write_dependence_p): Unchanging
6111 memory can't conflict with non-unchanging memory.
6113 * alias.c (memrefs_conflict_p): A BLKmode reference
6114 to a symbol (or CONST_INT address) always conflicts
6115 with a reference to another symbol.
6117 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
6119 * c-common.c (time_char_table): Don't allow width and flags with
6122 2000-08-25 Jakub Jelinek <jakub@redhat.com>
6124 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
6125 way as LT and LTU when the second operand has 0 in low word.
6127 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6129 * basic-block.h (struct loop): Rename `exits' field to
6130 `exit_edges'. Add `entry_edges' and `num_entries' fields.
6132 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
6133 (flow_loop_entry_edges_find): Add.
6134 (flow_edge_list_print): Rename from flow_exits_print.
6135 (flow_loops_find): Call flow_loop_entry_edges_find.
6136 (flow_loop_dump): Dump entry_edges list.
6137 (flow_loops_free): Free entry_edges.
6139 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6141 * loop.c (loop_dump_aux, debug_loop): New functions.
6142 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
6144 * flow.c (flow_loops_dump): Add callback parameter.
6145 (flow_loop_dump): Add callback parameter and call it. Move
6146 loop note debugging code to loop_dump_aux.
6148 * basic-block.h (flow_loop_dump): Add callback parameter
6149 (flow_loops_dump): Likewise.
6151 * toplev.c (rest_of_compilation): Add NULL callback function pointer
6152 to call to flow_loops_dump.
6154 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6156 * loop.c (count_loop_regs_set): Replace start and end arguments
6157 with loop argument. All callers udated.
6159 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6161 * loop.c (constant_high_bytes): Delete.
6163 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6165 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
6166 and NOTE_INSN_LOOP_VTOP to...
6167 (find_and_verify_loops) ...here.
6169 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
6171 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
6172 (fini_dummy, init_dummy): Use it.
6174 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
6176 * cpplex.c (is_macro_disabled): Caller has already checked
6177 that we're not a preprocessed file.
6179 2000-08-24 Mark Mitchell <mark@codesourcery.com>
6181 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
6182 (c-iterate.o): Remove target.
6183 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
6184 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
6185 (finish_decl): Don't handle iterators.
6186 (grokdeclarator): Likewise.
6187 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
6188 * gcc/c-gperf.h: Regenerated.
6189 * gcc/c-iterate.c: Removed.
6190 * gcc/c-lex.c (init_lex): Don't handle iterators.
6191 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
6192 (compstmt_primary_start): Remove push_iterator_stack call.
6193 (stmt): Don't allow iterator statements. Replace iterator_expand
6194 with expand_expr_stmt.
6195 (all_iter_stmt): Remove.
6196 (all_iter_stmt_simple): Likewise.
6197 (all_iter_stmt_with_decl): Likewise.
6198 * gcc/c-tree.h (ITERATOR_P): Remove.
6199 (ITERATOR_BOUND_P): Likewise.
6200 (init_iterators): Remove declaration.
6201 (iterator_expand): Likewise.
6202 (iterator_for_loop_start): Likewise.
6203 (iterator_for_loop_end): Likewise.
6204 (iterator_for_loop_record): Likewise.
6205 (push_iterator_stack): Likewise.
6206 (pop_iterator_stack): Likewise.
6207 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
6208 (readonly_warning): Likewise.
6209 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
6211 2000-08-24 Jim Wilson <wilson@cygnus.com>
6213 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
6214 Copy type in a TYPE_DECL, just like pushdecl does.
6216 2000-08-24 Richard Henderson <rth@cygnus.com>
6218 * toplev.c (main): Enable flag_reorder_blocks at -O2.
6220 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
6222 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
6223 asked for one page, allocate GGC_QUIRE_SIZE of them and put
6224 the extras on the free list.
6225 (release_pages): Clean up.
6226 (ggc_set_mark): Don't adjust G.allocated here...
6227 (sweep_pages): ... do it here.
6229 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
6231 * cppfiles.c (read_include_file): Rearrange initializations.
6233 2000-08-24 Richard Henderson <rth@cygnus.com>
6235 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
6237 * config/ia64/ia64-protos.h: Update.
6238 * config/ia64/ia64.c (gr_register_operand): New.
6239 (fr_register_operand, grfr_register_operand): New.
6240 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
6241 (grfr_reg_or_8bit_operand): New.
6242 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
6243 use gr_register_operand.
6244 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
6245 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
6246 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
6247 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
6248 (fr_reg_or_fp01_operand): Likewise.
6249 (not_postinc_memory_operand): New.
6250 (ia64_split_timode): Remove unused variables.
6251 (rtx_needs_barrier): Check arguments to cmpxchg.
6252 (builtin_description): Remove.
6253 (bdesc_2argsi, bdesc_2argdi): Remove.
6254 (ia64_init_builtins): Declare all builtins directly.
6255 (ia64_expand_fetch_and_op): Rewrite to be called from
6256 ia64_expand_builtin directly. Use expand_binop and co.
6257 (ia64_expand_op_and_fetch): Likewise.
6258 (ia64_expand_compare_and_swap): Likewise.
6259 (ia64_expand_binop_builtin): Remove.
6260 (ia64_expand_lock_test_and_set): New.
6261 (ia64_expand_lock_release): New.
6262 (ia64_expand_builtin): Use them.
6263 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
6264 (EXTRA_CONSTRAINT): Use it.
6265 (PREDICATE_CODES): Update.
6266 * config/ia64/ia64.md (*): Use gr_register_operand and co.
6267 (mf): Indicate that we set memory as well as use it.
6268 (fetchadd_acq_si): Show memory being modified as well.
6269 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
6270 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
6271 (lock_test_and_set_si, lock_test_and_set_di): Remove.
6272 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
6273 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
6274 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
6275 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
6276 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
6277 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
6278 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
6279 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
6280 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
6281 return type. Pretty print definitions.
6283 2000-08-24 Jim Wilson <wilson@cygnus.com>
6285 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
6286 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
6288 2000-08-24 Jason Merrill <jason@redhat.com>
6290 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
6291 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
6292 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
6293 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
6295 2000-08-24 Greg McGary <greg@mcgary.org>
6297 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
6298 and extendtab within their proper array boundaries.
6299 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
6300 for the entire array.
6302 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
6303 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
6304 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
6305 * config/fr30/fr30.c (fr30_print_operand): Likewise.
6306 * config/i386/dgux.c (output_options): Likewise.
6307 * config/i386/dgux.h (ASM_FILE_START): Likewise.
6308 * config/m88k/m88k.c (output_options): Likewise.
6309 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
6310 * config/mcore/mcore.c (mcore_output_inline_const_forced,
6311 layout_mcore_frame, handle_structs_in_regs): Likewise.
6312 * config/mips/mips.c (output_block_move): Likewise.
6313 * config/rs6000/rs6000.c (rs6000_override_options,
6314 rs6000_file_start): Likewise.
6315 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
6316 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
6317 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
6318 * builtins.c (expand_builtin_setjmp): Likewise.
6319 * expr.c (safe_from_p): Likewise.
6320 * flow.c (life_analysis): Likewise.
6321 * fold-const.c (size_int_type_wide): Likewise.
6322 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
6323 * genattrtab.c (make_length_attrs): Likewise.
6324 * genopinit.c (gen_insn): Likewise.
6325 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
6326 * global.c (global_alloc): Likewise.
6327 * local-alloc.c (find_free_reg): Likewise.
6328 * mips-tdump.c (print_symbol): Likewise.
6329 * mips-tfile.c (parse_def, parse_input): Likewise.
6330 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
6331 * stmt.c (expand_nl_goto_receiver): Likewise.
6332 * stor-layout.c (set_sizetype): Likewise.
6333 * varasm.c (decode_reg_name): Likewise.
6334 * toplev.c (decode_f_option, decode_W_option,
6335 set_target_switch, print_switch_values): Likewise.
6336 (NUM_ELEM): Remove macro.
6337 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
6339 2000-08-24 Greg McGary <greg@mcgary.org>
6341 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
6342 (MAIN_NAME_P, main_identifier_node): New macros.
6343 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
6344 * c-decl.c (start_decl, grokdeclarator, start_function,
6345 store_parm_decls, finish_function): Use MAIN_NAME_P.
6346 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
6347 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
6348 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
6349 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
6351 2000-08-24 Greg McGary <greg@mcgary.org>
6353 * cppfiles.c (actual_directory): Don't write beyond `dir'
6354 when it contains "".
6355 * real.c (asctoeg): Stay within bounds of etens[][].
6357 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6359 * dependence.c (dependence_string, direction_string,
6360 dump_one_node, dump_node_dependence): Hide unused identifiers.
6361 (get_low_bound, normalize_coefficients): Match definition to
6363 (get_one_coefficient): Initialize variables `value0_is_idx' and
6365 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
6366 (ziv_test): Delete variable `idx', use parameter `sub' instead.
6367 (direction_merge): Avoid automatic aggregate initialization.
6368 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
6369 Initialize variables `dest_idx' and `src_idx'.
6370 (end_dependence_analysis): Avoid C89 style function definition.
6372 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
6374 * c-common.c (time_char_table): Don't allow width with %F.
6375 (check_format_info): Don't allow "Z" length with scanf.
6377 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
6379 * diagnostic.c (finish_diagnostic): Define.
6380 (output_do_printf): Use wrap_text instead of output_add_string.
6381 (default_print_error_function): Avoid embedded '\n'.
6383 * diagnostic.h (flush_diagnostic_buffer): Declare.
6385 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
6387 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
6389 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
6391 * Makefile.in (GCC_PASSES): Add specs.
6393 2000-08-23 Jim Wilson <wilson@cygnus.com>
6395 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
6396 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
6397 EHANDLER nor UHANDLER bit is set.
6398 (__get_except_table): Likewise.
6400 2000-08-23 Nick Clifton <nickc@redhat.com>
6402 * config/arm/lib1funcs.asm: Replace upper case condition codes
6403 with lower case versions.
6405 * config/arm/arm.h (STRUCT_VALUE): Define.
6406 (STRUCT_VALUE_REGNUM): Delete.
6408 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
6410 * cpphash.h (IN_I): New flag for directive table.
6411 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
6413 (_cpp_check_directive): If -fpreprocessed, execute directives
6414 marked with IN_I. Issue no warnings in this case.
6415 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
6417 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
6419 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
6421 (check_format_info): Support printf 'I' flag; warn about it with
6424 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
6426 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
6427 barrier can't be ignored by the alias analysis code.
6429 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
6431 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
6432 works inside fixincl.
6434 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
6436 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
6437 simplify_relational_operation() unless both operands are of
6439 * cse.c (fold_rtx): Likewise.
6441 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
6443 * rtlanal.c (rtx_unstable_p): The pic register is stable
6444 (within one function) and the actual rtx should be used
6445 when checking the registers.
6446 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
6448 * alias.c (true_dependence, write_dependence_p): Fix
6449 bug in previous patch.
6451 * i386.c (ix86_GOT_alias_set): New.
6452 (legitimize_pic_address): Use it.
6454 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
6455 only stable if its address is stable.
6456 (rtx_varies_p): An unchanging MEM can't vary if
6457 its address doesn't vary.
6459 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6461 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
6463 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6465 * vax.h (ASM_SPEC): Pass `-J' to assembler.
6466 * x-vax-gcc: New file for bootstrapping with gcc.
6467 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
6468 * configure.in: Use x-vax-gcc with gcc.
6469 * configure: Rebuilt.
6471 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6473 * toplev.c (rest_of_compilation): Rebuild label notes after
6474 post-reload splitting pass if new labels have been created.
6476 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6478 * diagnostic.h (output_buffer_state): New macro.
6479 * diagnostic.c (diagnostic_for_decl, sorry,
6480 default_print_error_function, output_do_verbatim,
6481 report_diagnostic, report_problematic_module): Use it.
6483 (output_format): Use wrap_text instead of maybe_wrap_text.
6485 2000-08-22 Nick Clifton <nickc@redhat.com>
6487 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
6488 Common code for ARM divide and modulus functions.
6489 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
6491 (FUNC_END): New macro: Common code at the end of the division and
6493 (THUMB_FUNCTION_START): New macro: Common code at the start of
6495 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
6497 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6499 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
6501 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
6502 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
6505 2000-08-22 Nick Clifton <nickc@redhat.com>
6507 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
6508 restorative additions, test for bottom bits of IP being set,
6509 rather than relying upon the RORs not matching.
6512 2000-08-22 David Edelsohn <edelsohn@gnu.org>
6514 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
6515 text_section() as appropriate instead of emitting text csect
6517 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
6518 (UNIQUE_SECTION): Define macro.
6519 (ASM_OUTPUT_SECTION_NAME): Define macro.
6520 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
6521 on AIX if debugging and -fdata-sections always.
6523 2000-08-22 Steven King <sxking@uswest.net>
6525 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
6527 (LDBL_MAX): Same here.
6529 2000-08-22 Richard Henderson <rth@cygnus.com>
6531 * flow.c (tidy_fallthru_edge): Update b->end properly.
6533 2000-08-22 Stan Cox <scox@redhat.com>
6535 * Makefile.in (OBJS): Add dependence.o.
6536 * dependence.c: New file.
6538 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
6540 * calls.c (check_sibcall_argument_overlap_1): Adjust for
6542 (check_sibcall_argument_overlap): Likewise.
6544 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
6546 * invoke.texi (SH Options): Document -m4-nofpu,
6547 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
6548 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
6550 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
6552 * c-common.c (check_format_info): Give the 'some locales' warning
6553 for strftime %Ey rather than the unconditional 'only last 2 digits
6556 2000-08-22 Richard Henderson <rth@cygnus.com>
6558 * alias.c (init_alias_analysis): Do not register
6559 struct_value_incoming_rtx or static_chain_rtx as pointing
6562 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
6564 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
6566 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6568 * diagnostic.h (report_problematic_module): Declare.
6569 * diagnostic.c (report_problematic_module): New function.
6570 (report_error_function): Tweak.
6572 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6574 * stmt.c (expand_goto_internal, fixup_gotos): Only check
6575 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6577 2000-08-21 Richard Henderson <rth@cygnus.com>
6579 * flow.c (calculate_global_regs_live): Mark frame pointer live
6580 everywhere before reload.
6582 2000-08-21 Jim Wilson <wilson@cygnus.com>
6584 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
6585 INTEL_EXTENDED_IEEE_FORMAT.
6586 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6587 clear last two bytes of output FP value.
6589 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6591 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6593 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6595 * unroll.c (loop_find_equiv_value): If ret is modified between
6596 insn and loop_start, ret might not be equivalent to reg.
6598 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6600 * c-common.c (init_dollar_format_checking,
6601 maybe_read_dollar_number, finish_dollar_format_checking): New
6603 (dollar_arguments_used, dollar_arguments_count,
6604 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6606 (check_format_info): Support $ formats for scanf and printf width
6607 and precision. Always increment format_chars to advance past the
6608 '*' of precision, not just when the format parameters are
6611 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6613 * mips.c (block_move_loop, expand_block_move,
6614 function_arg_partial_nregs, save_restore_insns, function_prologue,
6615 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6617 (function_arg_advance, function_arg): Match argument to format
6620 2000-08-21 Nix <nix@esperi.demon.co.uk>
6622 * gcc.c (do_spec_1): Implement %j spec flag.
6623 Remove dead comment.
6625 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6626 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6627 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6628 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6630 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6631 writable) instead of hardcoded value.
6633 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6635 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6638 * gcc.c (cc1_options): Do not process -o or run the assembler if
6640 * objc/lang-spec.h: Likewise.
6642 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6644 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6645 "external" fixes through `cat', to avoid truncating the input
6646 file by redirection.
6648 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6650 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6652 (lea_general_2, lea_general_3): Likewise.
6654 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6656 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6657 warnings to user code.
6659 * c-lex.c (readescape, yylex): Likewise.
6661 * c-typeck.c (store_init_value, process_init_element): Likewise
6662 (c_expand_start_case): Format.
6664 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6666 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6668 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6669 and linker_endian_spec to endian_spec.
6670 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6671 (LINK_SPEC): Remove %{EB} and %{EL}.
6672 (ASM_SPEC): Likewise. Use %(endian_spec).
6674 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6676 * c-tree.h (flag_hosted): Move declaration from here...
6677 * c-common.h (flag_hosted): ... to here.
6678 (flag_noniso_default_format_attributes): New declaration.
6679 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6680 (c_decode_option): Set it appropriately for options choosing
6681 language standard variant.
6682 * c-common.c (init_function_format_info): Only provide default
6683 format attributes if flag_hosted. Only provide the gettext
6684 formats if flag_noniso_default_format_attributes. Update
6686 (check_format_info): Disable treatment of %a as a scanf flag in
6689 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6691 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6693 (check_format_info): Set 'wide' for scanf format widths. Warn for
6694 a zero scanf width. Make the check for writing into a constant
6695 object at the first level of indirection; at later levels, warn if
6696 any type qualifiers are encountered.
6698 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6700 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6702 (push_reload): Use reload_inner_reg_of_subreg.
6703 (combine_reloads): Do not combine reloads if the input reload
6704 is a SUBREG in which the inner part will need reloading.
6706 * global.c (global_alloc): Avoid passing dumpfile argument to
6708 * toplev.c (rest_of_compilation): Likewise.
6709 * reload.h (reload): Remove dumpfile argument. Callers changed.
6710 (debug_reload, debug_reload_to_stream): Move prototypes here.
6711 * rtl.h (reload): Remove dumpfile argument.
6712 * reload.c (debug_reload): Remove prototype.
6713 (debug_reload_to_stream): Likewise.
6714 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6717 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6719 * diagnostic.c (context_as_prefix): Export.
6720 (need_error_newline): Remove.
6721 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6722 (error_module_changed, record_last_error_module,
6723 error_function_changed, record_last_error_function): New functions.
6724 (initialize_diagnostics): Default intialize
6725 lang_diagnostic_starter, lang_diagnostic_finalizer.
6726 (init_output_buffer): Tweak.
6727 (file_name_as_prefix): New function.
6728 (announce_function, default_print_error_function,
6729 report_error_function, set_diagnostic_context): Tweak.
6731 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6733 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6734 condition expression.
6736 2000-08-20 Richard Henderson <rth@cygnus.com>
6738 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6740 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6742 * cppinit.c (cpp_init): Set global flag when called.
6743 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6745 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6747 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6748 before `process_directive' so that newlines won't be missed
6750 (cpp_printf): Increment `print->lineno' when newline is emitted.
6752 * cppmain.c (cb_ident): Likewise.
6753 (cb_define): Likewise.
6754 (cb_undef): Likewise.
6755 (cb_include): Likewise.
6756 (cb_def_pragma): Likewise.
6757 (dump_macros_helper): Likewise.
6759 2000-08-20 Richard Henderson <rth@cygnus.com>
6761 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6762 assigned before a loop.
6764 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6765 (ashrsi3, lshrsi3): Likewise.
6767 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6769 * c-lang.c: #include diagnostic.h
6770 (c_tree_printer): New function.
6771 (lang_init): Initialize lang_printer.
6773 * Makefile.in (c-lang.o): Depends on diagnostic.h
6775 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6777 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6779 * diagnostic.c (default_diagnostic_starter,
6780 default_diagnostic_finalizer): New functions.
6781 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6782 (pedwarn, pedwarn_with_file_and_line, error,
6783 error_with_file_and_line, fatal, warning,
6784 warning_with_file_and_line): Adjust call to report_diagnostic.
6785 (report_diagnostic): Rework.
6786 (set_diagnostic_context): New function.
6788 * diagnostic.h (struct diagnostic_context): New data structure.
6789 (diagnostic_message, diagnostic_argument_list,
6790 diagnostic_file_location, diagnostic_line_location,
6791 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6792 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6793 (set_diagnostic_context): Declare.
6794 (report_diagnostic): Change prototype.
6796 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6798 * fix-header.c (main): Initialize cpplib.
6800 2000-08-19 Michael Meissner <meissner@redhat.com>
6802 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6803 instructions in it before checking for indirect jumps.
6805 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6806 in a indirect jump as a potential for conditional execution.
6808 * d30v.h (d30v_init_expanders): Don't declare here.
6809 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6812 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6814 * cpp.texi: Add @section for assertions.
6816 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6818 * loop.c (scan_loop): Use CONST_CALL_P instead of
6819 checking for REG_LIBCALL / REG_RETVAL.
6821 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6823 * reload1.c (reload_as_needed): Accept dumpfile argument,
6824 pass it to emit_reload_insns.
6825 (emit_reload_insns): Add new dumpfile argument. If non-null
6826 then dump the reloads for each insn into the dumpfile.
6827 (reload): Pass dumpfile to reload_as_needed.
6829 * invoke.texi: Clean up linux-gnu vs linux comments.
6831 2000-08-19 Richard Henderson <rth@cygnus.com>
6833 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6834 (ia64_depz_field_mask): New.
6835 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6836 (PREDICATE_CODES): Update.
6837 * config/ia64/ia64.md: Update commentary.
6838 (depz_internal): New.
6839 (ashlsi3): Implement directly.
6840 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6841 (ashldi3): Use shladd.
6842 * config/ia64/ia64-protos.h: Update.
6844 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6846 * toplev.c (independent_decode_option): Always process -g.
6847 Remove third argument, now unused. Adjust caller to match.
6849 2000-08-18 Richard Henderson <rth@cygnus.com>
6851 * combine.c (make_compound_operation): Break after creating
6854 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6856 * cpplib.c (cpp_register_pragma_space): Just return if the
6857 namespace is already registered.
6859 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6861 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6862 constant amount. Do not generate ROTL instruction.
6864 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6866 * config/sh/elf.h: Do not include sh/sh.h.
6867 * config/sh/rtems.h: Likewise.
6868 * config/sh/rtemself.h: Do not include sh/elf.h.
6869 * configure.in: Get them included with `tm_file's.
6870 * configure: Rebuilt.
6872 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6873 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6875 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6877 * stor-layout.c (compute_record_type): Don't use mode of single
6878 field as mode of record if not integer mode of same type.
6880 * regmove.c (perhaps_ends_bb_p): New function.
6881 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6882 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6883 (fixup_match_1): Likewise.
6884 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6885 avoid signed/unsigned warnings.
6887 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6890 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6892 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6893 (_cpp_trigraph_map): Declaration moved from cpplex.c
6895 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6896 instead of 256. Use consistent test for designated initializers.
6897 (cpp_init): Initialize trigraph_map.
6898 (initialize_standard_includes, parse_option): Use memcmp
6901 * cpplex.c (init_trigraph_map): Remove.
6902 (trigraph_ok, trigraph_replace, lex_line): Refer to
6905 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6906 (do_unassert): Remove unused "next" local.
6908 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6910 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6912 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6915 2000-08-17 Richard Henderson <rth@cygnus.com>
6917 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6918 the first insn in a sequence.
6920 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6922 * alias.c (true_dependence, write_dependence_p): A read
6923 involving a label_ref or the constant pool doesn't create
6926 * rtl.h (unchanging): Improve documentation.
6928 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6930 * cse.c (insert_regs): Remove unused `regno'.
6932 2000-08-17 Neil Booth <NeilB@earthling.net>
6934 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6935 remove_dup_dirs. If qtail == brack, remove brack not
6937 (remove_dup_dir, remove_dup_dirs): New functions.
6939 2000-08-17 Neil Booth <NeilB@earthling.net>
6941 * cppinit.c (cpp_cleanup): Free include dir chains.
6942 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6943 (do_unassert): Free the assert with _cpp_free_definition.
6944 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6945 assertions. Make the node a T_VOID node.
6947 2000-08-17 Neil Booth <NeilB@earthling.net>
6949 * cppinit.c (path_include, append_include_chain):
6950 Remove 2nd parameter (struct cpp_pending *).
6951 (path_include, initialize_standard_includes, cpp_handle_option):
6952 Update callers appropriately.
6953 (cpp_handle_option): Use pend.
6955 2000-08-17 Neil Booth <NeilB@earthling.net>
6957 * cppinit.c (sort_options): Remove, put functionality in
6960 (initialize_builtins): Free memory.
6961 (cpp_start_read): Move init_IStable to cpp_init.
6963 * cpplib.h (cpp_init): New prototype.
6964 * cppmain.c (main): Call cpp_init.
6966 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6968 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6969 (rtx_unstable_p, rtx_varies_p): Process vectors.
6971 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6973 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6974 references to GLOBAL symbols. Use LOCAL where appropriate.
6976 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6978 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
6979 use t-aix41 when host == target.
6981 2000-08-16 Richard Henderson <rth@cygnus.com>
6983 * reload.c (push_secondary_reload): Revert last change.
6984 If we use a reload_in/out pattern, make the when the same
6985 as the primary reload.
6986 (find_reloads): Likewise.
6988 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
6990 * configure.in (libstdcxx-v3): Fix test.
6991 * configure: Regenerate.
6993 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6995 * calls.c (calls_function_1, expand_call): Only test
6996 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6997 * function.c (thread_prologue_and_epilogue_insns): Likewise.
6999 2000-08-16 Richard Henderson <rth@cygnus.com>
7001 * combine.c (simplify_shift_const): Revert previous two
7002 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
7003 before the main loop.
7005 2000-08-15 Richard Henderson <rth@cygnus.com>
7007 * combine.c (simplify_shift_const): Bound shift count when
7010 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7012 * calls.c (ECF_SP_DEPRESSED): New macro.
7013 (calls_function_1): Treat calling sp-depressed function as alloca.
7014 (emit_call_1): Don't adjust SP if calling sp-depressed function.
7015 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
7016 If sp-depressed, ensure block saves and restores SP.
7017 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
7019 * function.c (keep_stack_depressed): New function.
7020 (thread_prologue_and_epilogue_insns): Call it.
7021 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
7022 to print DECL_OFFSET_ALIGN.
7023 Print no-force-blk and transparent-union flags properly.
7024 * stmt.c (expand_goto_internal): Don't restore stack if last block
7025 and function returns with sp depressed.
7026 (fixup_gotos): Likewise.
7027 (save_stack_pointer): New function, from code in expand_decl.
7028 (expand_decl): Call new function.
7029 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
7030 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
7031 (save_stack_pointer): New declaration.
7033 * diagnostic.c (fatal_function): New variable.
7034 (set_fatal_function): New function.
7036 * diagnostic.h (set_fatal_function): New declaration.
7038 2000-08-15 William Cohen <wcohen@redhat.com>
7040 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
7041 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
7042 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
7044 2000-08-15 Richard Henderson <rth@cygnus.com>
7046 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
7048 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7050 * arm.c (arm_function_ok_for_sibcall): New function.
7051 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
7052 * arm.md (call expanders): Don't check here for calls that can't
7055 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7057 * arm.md (splits generating cond_exec): Disable.
7059 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7061 * arm/linux-elf.h (text_section): Delete declaration.
7063 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7065 ARM support for unordered FP operations.
7066 * arm-protos.h (arm_comparison_operator): Declare.
7067 * arm.c (arm_comparison_operator): New function.
7068 (arm_select_cc_mode): Add unordered comparison codes.
7069 (get_arm_condition_code): Likewise.
7070 (arm_final_prescan_insn): Can't handle unordered jumps that can't
7071 be done in one insn.
7072 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
7073 * arm.md (all uses of comparison_operator): Replace with
7074 arm_comparison_operator.
7075 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
7077 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
7080 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7082 * gthr-posix.h: Conditionally include <sched.h>; include
7083 <config.h> from libobjc/.
7085 2000-08-14 Richard Henderson <rth@cygnus.com>
7087 * config/i386/i386.c (legitimize_pic_address): Use Pmode
7090 2000-08-14 Richard Henderson <rth@cygnus.com>
7092 * configure.in (ia64-*): Set float_format for i386 long double.
7094 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
7095 as we would for i386 XFmode.
7096 (PUT_REAL): Likewise.
7097 (endian, ereal_atof, real_value_truncate): Likewise.
7098 (ereal_isneg, toe64, etens, make_nan): Likewise.
7099 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
7101 * config/ia64/ia64-protos.h: Update.
7102 * config/ia64/ia64.c (general_tfmode_operand): New.
7103 (destination_tfmode_operand): New.
7104 (tfreg_or_fp01_operand): New.
7105 (ia64_split_timode): New.
7106 (spill_tfmode_operand): New.
7107 (ia64_expand_prologue): Use TFmode not XFmode.
7108 (ia64_expand_epilogue): Likewise.
7109 (ia64_function_arg): Likewise.
7110 (ia64_function_arg_advance): Likewise.
7111 (ia64_return_in_memory): Likewise.
7112 (ia64_function_value): Likewise.
7113 (ia64_print_operand): Likewise.
7114 (ia64_register_move_cost): Set GR<->FR to 5.
7115 (ia64_secondary_reload_class): Get GR for TImode memory op.
7116 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
7117 (ROUND_TYPE_ALIGN): Remove.
7118 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
7119 (INTEL_EXTENDED_IEEE_FORMAT): Define.
7120 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
7121 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
7122 (MODES_TIEABLE_P): Use TFmode, not XFmode.
7123 (CLASS_MAX_NREGS): Likewise.
7124 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
7125 (PREDICATE_CODES): Update.
7126 * config/ia64/ia64.md (movti): New.
7127 (movti_internal): Use a clobber for memory alternatives.
7128 (reload_inti, reload_outti): New.
7129 (movsfcc_astep): Predicate properly.
7130 (movdfcc_astep): Likewise.
7133 (extendsftf2, extenddftf2): New.
7134 (trunctfsf2, trunctfdf2): New.
7135 (floatditf2, fix_trunctfdi2): New.
7136 (floatunsditf2, fixuns_trunctfdi2): New.
7137 (addtf3, subtf3, multf3, abstf2): New.
7138 (negtf2, nabstf2, mintf3, maxtf3): New.
7139 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
7141 (fr_spill): Use TFmode, not XFmode.
7142 (fr_restore): Likewise.
7143 * config/ia64/lib1funcs.asm (__divtf3): New.
7144 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
7146 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7148 * cse.c (fold_rtx): Avoid empty body in an if-statement.
7150 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
7151 `U' integer constant suffix.
7153 * dwarf2out.c (add_subscript_info): Avoid empty body in an
7156 * sparc/sol2.h (__enable_execute_stack): Prototype.
7158 2000-08-14 David Edelsohn <edelsohn@gnu.org>
7160 * collect2.c: Remove use of AIX import file.
7162 * longlong.h: Test ARCH_PWR not ARCH_POWER.
7164 * rs6000.c (print_operand, case 'E'): Add else.
7166 2000-08-14 Richard Henderson <rth@cygnus.com>
7168 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
7169 (movdi_symbolic): New.
7171 2000-08-14 Jim Wilson <wilson@cygnus.com>
7173 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
7174 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
7175 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
7178 2000-08-14 Richard Henderson <rth@cygnus.com>
7180 * expr.c (emit_group_load): Don't force constants into registers.
7181 Special case source already in the correct mode.
7183 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
7185 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
7186 * fixinc/inclhack.def: Likewise.
7187 * fixinc/mkfixinc.sh: Likewise.
7188 * configure: Regenerate.
7189 * fixinc/fixincl.x: Regenerate.
7190 * install.texi: Document equivalence of linux and linux-gnu.
7192 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7194 * cse.c (insert_regs): Also in REG case: When finding an invalid
7195 value, and we make a new quantity, make sure that it won't be
7196 mistaken by for a valid one by mention_regs.
7198 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
7200 * h8300.md: Remove obsolete peepholes.
7202 2000-08-13 Kazu Hirata <kazu@hxi.com>
7204 * invoke.texi (H8/300 Options): Fix typos.
7205 * config/h8300.c: Fix formatting.
7206 * config/h8300.h: Fix comment typos.
7207 (OVERRIDE_OPTIONS): Fix formatting.
7209 * function.c: Fix formatting.
7211 * cse.c: Fix formatting.
7213 2000-08-13 Geoff Keating <geoffk@cygnus.com>
7215 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
7216 (attempt_auto_inc): Suppress parentheses warning.
7217 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
7218 * loop.c (load_mems): Remove `u' suffix in two places.
7219 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
7221 * config/rs6000/rs6000.h: Likewise.
7222 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
7223 __eabi dummy routine.
7224 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
7227 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
7228 not put stuff in .sdata unnecessarily.
7229 (rs6000_unique_section): New function.
7230 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
7231 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
7233 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
7234 arrays in C99. Don't try to look at DECL_REGISTER of a
7235 COMPONENT_REF. Don't complain twice about the same error.
7237 * fixinc/inclhack.def (aix_pthread): New fix.
7238 (aix_sysmachine): New fix.
7239 * fixinc/fixincl.x: Regenerate.
7241 * expr.c (expand_expr): Call convert_modes when turning a large
7242 multiply into a small one.
7244 2000-08-12 Geoff Keating <geoffk@cygnus.com>
7246 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
7247 the tree structure an exponent rather than an explicit alignment
7248 so it doesn't overflow.
7249 (SET_DECL_OFFSET_ALIGN): New macro.
7250 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
7251 rather than DECL_OFFSET_ALIGN.
7252 (place_field): Likewise.
7253 * expmed.c (store_bit_field): Abort on align==0 to avoid
7254 antisocial machine behaviour.
7256 2000-08-12 Richard Henderson <rth@cygnus.com>
7258 * sibcall.c (uses_addressof): Accept both addressof and
7259 current_function_internal_arg_pointer inside a mem.
7260 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
7261 if current_function_uses_addressof.
7262 * stmt.c (expand_return): Kill tail recursion and HAVE_return
7265 2000-08-11 Richard Henderson <rth@cygnus.com>
7267 * config/ia64/ia64.md (addsi3): Remove expander.
7268 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
7269 (*addsi3_shladd): New.
7271 2000-08-11 Richard Henderson <rth@cygnus.com>
7273 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
7274 (do_restore): Likewise.
7275 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
7276 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
7277 (rtx_needs_barrier): Track actual bit manipulation for
7278 ar.unat moves, gr_spill, and gr_restore.
7279 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
7280 (process_set): Don't handle varargs spills.
7281 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
7282 .mem.offset here instead of in process_set.
7283 (gr_restore): Likewise.
7285 2000-08-11 Richard Henderson <rth@cygnus.com>
7287 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
7289 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
7291 * gcc.texi (The Configuration File): Document
7292 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
7293 UPDATE_PATH_HOST_CANONICALIZATION.
7295 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7297 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
7298 unprototyped function pointer casts on integer constants.
7300 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
7302 * fixproto: Recognize DOS paths with drive letters as absolute paths.
7304 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
7306 * extend.texi (Volatiles): Fix typos.
7308 2000-08-11 Kazu Hirata <kazu@hxi.com>
7310 * flow.c: Fix formatting.
7312 2000-08-11 Richard Henderson <rth@cygnus.com>
7314 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
7315 pattern, always allocate a tertiary scratch register.
7317 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
7318 (reload_inhi): Likewise.
7320 2000-08-11 Richard Henderson <rth@cygnus.com>
7322 * function.c (put_reg_into_stack): Allow type to be NULL.
7323 (schedule_fixup_var_refs): Likewise.
7324 (gen_mem_addressof): Allow decl to be NULL.
7325 (put_addressof_into_stack): Likewise.
7327 * flow.c (merge_blocks_nomove): Be more careful about
7328 locating the beginning of block A.
7330 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
7332 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7337 * config.in: Reverted the check for <sched.h>.
7339 2000-08-10 Chris Demetriou <cgd@sibyte.com>
7341 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
7342 macros define the name of CTOR and DTOR sections.
7343 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7344 DTOR_LIST_END): Change to use attributes to specify
7346 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
7347 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7348 DTOR_LIST_END): Same as in mips/elf.h.
7350 2000-08-10 Drew Moseley <dmoseley@redhat.com>
7352 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
7353 disabling just crt0.o.
7355 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
7357 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
7358 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
7359 (EXTRA_SPECS): Add them.
7360 * arm/lib1funcs.asm: Support builds for interworking.
7361 Use macros to eliminate duplicated pieces of code.
7363 2000-08-10 Kazu Hirata <kazu@hxi.com>
7365 * h8300.c (expand_a_rotate): New.
7366 (emit_a_rotate): Likewise.
7367 (h8300_adjust_insn_length): Add support for the rotate insns.
7368 * h8300.md (rotlqi3): New.
7369 (*rotlqi3_1): Likewise.
7370 (rotlhi3): Likewise.
7371 (*rotlhi3_1): Likewise.
7372 (rotlhi3): Likewise.
7373 (*rotlhi3_1): Likewise.
7374 * h8300-proto.h: Add prototypes for expand_a_rotate and
7377 * h8300.c: Fix comment typos.
7378 (dosize): Declare the variable amount as unsigned.
7379 (get_shift_alg): Fix a comparison between signed and unsigned.
7380 (emit_a_shift): Likewise.
7381 (h8300_adjust_insn_length): Simplify the code.
7383 * c-decl.c: Fix formatting.
7385 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7387 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
7388 warning about non-traditional numeric constant suffixes.
7390 * cppexp.c (parse_number): Likewise.
7392 * invoke.texi: (-Wtraditional): Document new behavior.
7394 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7396 * gthr-posix.h: Include auto-host.h. Conditionally include
7398 * configure.in: Check for the <sched.h> header file.
7399 * config.in: Added define for HAVE_SCHED_H.
7401 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7403 * c-typeck.c (process_init_element): For -Wtraditional, warn about
7404 initialization of unions.
7406 * invoke.texi (-Wtraditional): Document new behavior.
7408 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
7410 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
7411 instead of extra_c_flags.
7412 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
7413 * configure: Regenerate.
7414 * config.in: Regenerate.
7416 * cpperror.c (cpp_type2name): New function.
7417 * cpplex.c (lex_line): If we issued an error for an invalid
7418 preprocessing directive, discard that logical line.
7419 * cpplib.c (do_line): Call a hook function if the current file
7420 is renamed by #line.
7421 (do_ident): Pass the contents of the string, not the entire
7422 token, to the callback function.
7423 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
7424 (cb.rename_file): New hook function.
7425 (cb.ident): Adjust prototype.
7426 (cpp_type2name): Prototype.
7427 * cppmacro.c (dump_macro_args): Correct precedence lossage.
7429 * cppmain.c (cb_ident): Update for changed interface.
7430 (cb_rename_file): New function.
7431 (main): Set rename callback.
7433 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
7435 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
7436 multi-word registers.
7438 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7440 * c-common.c (combine_strings, check_format_info): Refer to ISO C
7441 or ISO C89 instead of ANSI C.
7442 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
7443 build_enumerator, do_case): Likewise.
7444 * c-lex.c (parse_float, yylex): Likewise.
7445 * c-parse.in: Likewise.
7446 * c-typeck.c (common_type, build_array_ref, build_binary_op,
7447 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
7448 build_c_cast, convert_for_assignment, set_init_index,
7449 set_init_label, c_expand_start_case): Likewise.
7450 * toplev.c (documented_lang_options, display_help): Likewise.
7452 2000-08-08 Kazu Hirata <kazu@hxi.com>
7454 * h8300.c: Fix formatting.
7455 * h8300.h: Likewise.
7456 * h8300.md: Likewise.
7457 (movsi_h8300hs): Fix formatting of the resulting assembly code.
7459 * reload1.c: Fix formatting.
7461 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
7463 * alpha/alpha.c (alpha_emit_xfloating_libcall):
7464 Use GEN_CALL_VALUE define.
7465 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
7466 * clipper/clipper.md (untyped_call): Likewise.
7467 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
7468 * fx80/fx80.md (untyped_call): Likewise.
7469 * mips/mips.md (untyped_call): Likewise.
7470 * ns32k/ns32k.md (untyped_call): Likewise.
7471 * pa/pa.md (untyped_call): Likewise.
7472 * romp/romp.md (untyped_call): Likewise.
7473 * sparc/sparc.md (untyped_call): Likewise.
7475 2000-08-08 Jason Eckhardt <jle@cygnus.com>
7477 * config/i860/i860.c (singlemove_string): Do not generate assembler
7478 pseudo instructions that must be expanded (that is, with signed
7479 constants larger than 16 bits).
7481 2000-08-08 Richard Henderson <rth@cygnus.com>
7483 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
7484 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
7485 (init_propagate_block_info): Don't kill memory stores at -O0.
7486 (mark_set_1, mark_used_regs): Likewise.
7488 2000-08-08 David Edelsohn <edelsohn@gnu.org>
7490 * rs6000.c (optimization_options): Decorate 'level' as
7492 (mask64_operand): Remove sign-extend thinko.
7493 (rldic_operand): New function.
7494 (load_multiple_operation): regno's are unsigned ints.
7495 (store_multiple_operation): Likewise.
7496 (lmw_operation): Likewise.
7497 (stmw_operation): Likewise.
7498 (includes_lshift_p): shift_mask is unsigned int.
7499 (includes_lshift64_p): New function.
7500 (addrs_ok_for_quad_peep): unsigned int reg1.
7501 (print_operand): Consistently add "else" after
7502 output_operand_lossage().
7503 (print_operand, case 'b'): Fold in case 'W'.
7504 (print_operand, case 'W'): Print rldic MB value.
7505 (output_epilogue): Update Objective-C language string.
7506 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
7507 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
7508 * rs6000.md (ashldi3): Add rldic instruction.
7509 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
7510 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
7513 2000-08-08 Richard Henderson <rth@cygnus.com>
7515 * config/ia64/ia64-protos.h: Remove duplicates. Update
7516 for massive code rearrangements.
7517 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
7518 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
7519 (ia64_local_regs, ia64_need_regstk): Remove.
7520 (ar_ccv_reg_operand): New.
7521 (ia64_gp_save_reg): New.
7522 (struct ia64_frame_info): Combine most of the size elements;
7523 add new gr save elements.
7524 (find_gr_spill): New.
7525 (next_scratch_gr_reg): New.
7526 (mark_reg_gr_used_mask): New.
7527 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
7528 to GR backing store regs when possible.
7529 (ia64_initial_elimination_offset): New.
7530 (ia64_rap_fp_offset): Remove.
7531 (save_restore_insns): Remove.
7532 (setup_spill_pointers): New.
7533 (finish_spill_pointers): New.
7534 (spill_restore_mem): New.
7535 (do_spill, do_restore): New.
7536 (ia64_expand_prologue): Rewrite to use them.
7537 (ia64_expand_epilogue): Likewise.
7538 (ia64_direct_return): Update for current_frame_info changes.
7539 (ia64_function_prologue): Simplify .prologue emission. Emit
7541 (ia64_setup_incoming_varargs): Don't ever emit rtl.
7542 (ia64_dbx_register_number): New.
7543 (ia64_initialize_trampoline): New.
7544 (ia64_secondary_reload_class): Request GR_REGS for integer
7545 arithmetic destined for FR_REGS.
7546 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
7547 (ia64_mark_machine_status): Mark ia64_gp_save.
7548 (rws_access_regno): Rename from rws_access_reg; don't treat
7549 predicates specially.
7550 (rws_access_reg): New. Update all callers.
7551 (rtx_needs_barrier): Remove dead unspecs.
7552 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
7553 (ia64_encode_section_info): Silence signed/unsigned warnings.
7554 (spill_offset, sp_offset, spill_offset_emitted): Remove.
7555 (tmp_reg, tmp_saved): Remove.
7556 (process_set): Rewrite to expect complicated bits via
7557 REG_FRAME_RELATED_EXPR.
7558 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
7559 in the use of ar.ccv; never set RTX_UNCHANGING_P.
7560 (ia64_expand_op_and_fetch): Likewise.
7561 (ia64_expand_compare_and_swap): Likewise.
7562 (ia64_expand_builtin): Likewise.
7563 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
7564 (FIRST_PSEUDO_REGISTER): Update.
7565 (AR_M_REGNO_P): Update.
7566 (FIXED_REGS): Don't mark three local registers as used.
7567 (EXTRA_CC_MODES): New.
7568 (SELECT_CC_MODE): New.
7569 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
7570 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
7571 (FRAME_GROWS_DOWNWARD): Unset.
7572 (STARTING_FRAME_OFFSET): Zero.
7573 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
7574 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
7575 (HARD_FRAME_POINTER_REGNUM): New.
7576 (CAN_DEBUG_WITHOUT_FP): Define.
7577 (TRAMPOLINE_TEMPLATE): Remove.
7578 (TRAMPOLINE_SIZE): Lower to 32.
7579 (TRAMPOLINE_ALIGNMENT): Lower to 64.
7580 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
7581 (PREDICATE_CODES): Update.
7582 (struct machine_function): Add ia64_gp_save.
7583 * config/ia64/ia64.md: Purge unused unspecs.
7584 (movsi patterns): Allow moves to/from AR_M_REGS.
7585 (movdi patterns): Allow moves to/from p0.
7586 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7587 (gr_spill, gr_restore): Indicate ar.unat read/written.
7588 (nonlocal_goto): Don't pass old frame_pointer.
7589 (nonlocal_goto_receiver): Remove.
7590 (exception_receiver): New.
7591 (builtin_setjmp_setup): New.
7592 (builtin_setjmp_receiver): New.
7593 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7594 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7595 (__ia64_restore_stack_nonlocal): Likewise.
7596 (__ia64_trampoline): New.
7597 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7599 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7601 2000-08-08 Richard Henderson <rth@cygnus.com>
7603 * frame.h (ia64_frame_state): Add my_psp.
7604 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7605 (__throw): Pass it in. Don't clobber r7.
7606 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7607 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7608 and nothing to do with sp.
7609 (normalize_reg_loc): Use frame->my_psp.
7610 (frame_translate): Handle frame-pointer-less functions. Set
7611 spill_base correctly, in absence of being told.
7612 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7613 (__ia64_backtrace_helper): New sp argument. Use
7614 builtin_return_address instead of label addresses.
7615 (print_record) [mem_stack_v]: No size member.
7617 2000-08-08 Richard Henderson <rth@cygnus.com>
7619 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7621 2000-08-08 Richard Henderson <rth@cygnus.com>
7623 * tm.texi (LOCAL_REGNO): Document.
7624 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7625 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7626 * reload1.c (reload): Likewise when considering nonlocal labels.
7628 * config/ia64/ia64.h (LOCAL_REGNO): New.
7629 * config/sparc/sparc.h (LOCAL_REGNO): New.
7631 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7633 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7635 2000-08-07 Nick Clifton <nickc@redhat.com>
7637 * config/mips/mips.c: Fix compile time warning messages.
7638 * config/mips/mips-protos.h: Add prototype for equality_op.
7640 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7642 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7644 * mn10300.md: Use nonimmediate_operand instead of general_operand
7647 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7649 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7651 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7652 * sh.c (expand_block_move): Break long lines.
7653 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7654 * sh.md (mulsi3): Likewise.
7655 (movdi): Adjust spacing.
7657 2000-08-07 Richard Henderson <rth@cygnus.com>
7659 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7660 * expr.c (emit_group_store): Don't set it.
7662 2000-08-07 Kazu Hirata <kazu@hxi.com>
7664 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7665 duplicate entries for 'w' and 'z'.
7667 * flow.c: Fix a comment typo.
7669 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7671 * c-parse.in: Changed the language string for Objective-C to "GNU
7674 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7676 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7677 to improve the Posix thread support for Objective-C.
7679 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7681 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7682 CTI_UNSIGNED_PTRDIFF_TYPE.
7683 (signed_size_type_node): Define.
7684 (unsigned_ptrdiff_type_node): Define.
7685 * c-decl.c (init_decl_processing): Create the
7686 signed_size_type_node and unsigned_ptrdiff_type_node types.
7687 * c-common.c (T_SC): Define.
7690 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7691 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7693 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7694 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7695 flags for %c, %s and %[.
7696 (check_format_info): Only allow leniency for signedness of targets
7697 of character pointers (when pedantic) for formats flagged with
7698 "c", so for strings but not for %hh formats. When pedantic, don't
7699 allow character pointers to substitute for void pointers if a
7700 second level of indirection is present.
7702 2000-08-06 Kazu Hirata <kazu@hxi.com>
7704 * invoke.texi (Options for Debugging Your Program or GCC): Update
7705 the names of dump files.
7707 * h8300.c (dosize): Rearrange code for conciseness.
7708 (split_adds_subs): Likewise.
7710 * loop.c: Fix formatting.
7712 * dwarf2out.c: Fix formatting.
7714 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7716 * expr.c: Fix formatting.
7718 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7720 * rs6000.c (rs6000_maybe_dead): Prototype.
7722 2000-08-06 Richard Henderson <rth@cygnus.com>
7724 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7725 HAVE_nonlocal_goto as well.
7726 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7727 * config/pj/pj.md (nonlocal_goto): Likewise.
7729 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7731 * loop.c (try_swap_copy_prop): New function.
7732 (load_mems): Rename copies to load_copies and add new regset
7733 store_copies. Check for sets of shadow registers and mark
7734 in store_copies. Call try_swap_copy_prop for registers
7735 marked in store_copies.
7737 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7739 * objc/objc-act.c: New command line option -fconstant-string-class
7740 to allow specifying a user defined constant string class,
7741 different from NXConstantString.
7743 * toplev.c: Moved the Objective-C specific options to
7744 objc/lang-options.h.
7746 * objc/lang-options.h: Moved the Objective-C specific options from
7747 toplev.c. Added -fconstant-string-class.
7749 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7751 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7752 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7753 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7754 avoid extra alignment imposed on arrays.
7755 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7756 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7758 * mips.h: Clean up comments and spacing near MASKs.
7759 (TARGET_UNIX_ASM): Delete.
7760 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7761 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7764 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7766 * c-common.c (print_char_table): Add entries for the X/Open '
7767 format flag (print decimals with locale's thousands grouping
7768 character). Make %C expect wint_t.
7769 (check_format_info): If pedantic, warn when the %n$ operand
7770 number form is used. Allow for the ' flag; warn about it if
7773 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7775 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7776 type is a float mode, cfun->decl's return type is not, and
7777 TARGET_FLOAT_RETURNS_IN_80387.
7779 2000-08-04 Andreas Schwab <schwab@suse.de>
7781 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7782 token list, which are always `#' and `pragma'.
7784 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7786 * tree.c (tree_expr_nonnegative_p): Move to...
7787 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7788 (rtl_expr_nonnegative_p): New.
7789 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7791 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7792 CONST_DOUBLE_CHAIN: Move to...
7793 * rtl.h: ...here. Use XCINT/XCEXP.
7795 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7796 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7797 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7800 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7802 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7804 * config/c4x/c4x.md (return_indirect_internal): New.
7805 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7807 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7809 * c-common.c (time_char_table): Mark up formats added in C99 and
7810 make other corrections. %D and %g were added in C99. %Og is an
7811 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7812 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7813 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7814 %h was added in C99. %C was added in C99. %OY and %OC are
7815 extensions. Add the C99 format %F.
7816 (check_format_info): If pedantic and not in C99 mode, warn for C99
7819 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7821 * function.c (schedule_fixup_var_refs): New function, broken out
7822 of put_reg_into_stack.
7823 (put_reg_into_stack): Use it.
7824 (put_var_into_stack): In CONCAT case, fixup up references for
7825 components only after fixing up references to the whole concat.
7827 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7829 * alias.c (mark_constant_function): Use INSN_P.
7830 (init_alias_analysis): Likewise.
7831 * combine.c (combine_instructions): Use INSN_P.
7832 (can_combine_p): Likewise.
7833 (try_combine): Likewise.
7834 (distribute_notes): Likewise.
7835 (distribute_links): Likewise.
7836 * cse.c (cse_around_loop): Use INSN_P.
7837 (invalidate_skipped_block): Likewise.
7838 (cse_set_around_loop): Likewise.
7839 (cse_end_of_basic_block): Likewise.
7840 (delete_trivially_dead_insns): Likewise.
7841 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7842 (unshare_all_rtl_1): Likewise.
7843 (next_cc0_user): Likewise.
7844 (try_split make_insn_raw): Likewise.
7845 (remove_unnecessary_notes): Likewise.
7846 * final.c (shorten_branches): Use INSN_P.
7847 (leaf_renumber_regs): Likewise.
7848 (leaf_renumber_regs_insn): Likewise.
7849 * flow.c (find_label_refs): Use INSN_P.
7850 (verify_wide_reg): Likewise.
7851 (notice_stack_pointer_modification): Likewise.
7852 (count_or_remove_death_notes): Likewise.
7853 (verify_flow_info): Likewise.
7854 (clear_log_links): Likewise.
7855 * function.c (fixup_var_refs_insns): Use INSN_P.
7856 (compute_insns_for_mem): Likewise.
7857 * gcse.c (alloc_gcse_mem): Use INSN_P.
7858 (compute_sets): Likewise.
7859 (compute_hash_table): Likewise.
7860 (classic_gcse): Likewise.
7862 (insert_insn_end_bb): Likewise.
7863 (delete_null_pointer_checks_1): Likewise.
7864 * global.c (expand_preferences): Use INSN_P.
7865 (build_insn_chain): Likewise.
7866 * graph.c (node_data): Use INSN_P.
7867 * haifa-sched.c (priority): Use INSN_P.
7868 (rm_line_notes): Likewise.
7869 (rm_other_notes): Likewise.
7870 (find_insn_reg_weight): Likewise.
7871 (init_target_units): Likewise.
7872 (schedule_block): Likewise.
7873 (compute_block_forward_dependences): Likewise.
7874 (debug_dependencies): Likewise.
7875 (set_priorities): Likewise.
7876 * integrate.c (function_cannot_inline_p): Use INSN_P.
7877 (save_parm_insns): Likewise.
7878 (copy_insn_list): Likewise.
7879 * jump.c (mark_all_labels): Use INSN_P.
7880 (never_reached_warning): Likewise.
7881 * lcm.c (optimize_mode_switching): Use INSN_P.
7882 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7883 (memref_used_between_p): Likewise.
7884 (update_equiv_regs): Likewise.
7885 (block_alloc): Likewise.
7886 (no_conflict_p): Likewise.
7887 * loop.c (scan_loop): Use INSN_P.
7888 (find_and_verify_loops): Likewise.
7889 (count_loop_regs_set): Likewise.
7890 (loop_reg_used_before_p): Likewise.
7891 (strength_reduce): Likewise.
7892 (recombine_givs): Likewise.
7893 (check_dbra_loop): Likewise.
7894 (load_mems): Likewise.
7895 (try_copy_prop): Likewise.
7896 * print-rtl.c (print_rtx): Use INSN_P.
7897 * recog.c (find_single_use): Use INSN_P.
7898 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7899 (next_flags_user): Likewise.
7900 (swap_rtx_condition): Likewise.
7901 * regmove.c (mark_flags_life_zones): Use INSN_P.
7902 (optimize_reg_copy_1): Likewise.
7903 (optimize_reg_copy_2): Likewise.
7904 (optimize_reg_copy_3): Likewise.
7905 (reg_is_remote_constant_p): Likewise.
7906 (fixup_match_2): Likewise.
7907 (regmove_optimize): Likewise.
7908 (fixup_match_1): Likewise.
7909 * regrename.c (build_def_use): Use INSN_P.
7910 (replace_reg_in_block): Likewise.
7911 (consider_use): Likewise.
7912 * reload.c (find_equiv_reg): Use INSN_P.
7913 * reload1.c (reload): Use INSN_P.
7914 (maybe_fix_stack_asms): Likewise.
7915 (calculate_needs_all_insns): Likewise.
7916 (reload_as_needed): Likewise.
7917 (emit_output_reload_insns): Likewise.
7918 (delete_address_reloads_1): Likewise.
7919 (reload_cse_regs_1): Likewise.
7920 (reload_combine): Likewise.
7921 (reload_cse_move2add): Likewise.
7922 * reorg.c (redundant_insn): Use INSN_P.
7923 (dbr_schedule): Likewise.
7924 * resource.c (find_dead_or_set_registers): Use INSN_P.
7925 (mark_target_live_regs): Likewise.
7926 * rtlanal.c (reg_used_between_p): Use INSN_P.
7927 (reg_referenced_between_p): Likewise.
7928 (reg_set_between_p): Likewise.
7929 (reg_set_p): Likewise.
7930 (single_set): Likewise.
7931 (multiple_sets): Likewise.
7932 (find_last_value): Likewise.
7933 (reg_set_last): Likewise.
7934 (find_reg_note): Likewise.
7935 (find_regno_note): Likewise.
7936 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7937 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7938 * ssa.c (find_evaluations): Use INSN_P.
7939 (rename_block): Likewise.
7940 (rename_equivalent_regs): Likewise.
7941 * unroll.c (loop_find_equiv_value): Use INSN_P.
7942 (set_dominates_use): Likewise.
7943 * varasm.c (mark_constant_pool): Use INSN_P.
7944 (mark_constants): Likewise.
7945 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7946 (alphaev4_next_group): Likewise.
7947 (alphaev5_next_group): Likewise.
7948 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7949 (c4x_rptb_rpts_p): Likewise.
7950 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7951 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7952 (rs6000_adjust_priority): Likewise.
7953 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7954 (machine_dependent_reorg): Likewise.
7955 (split_branches): Likewise.
7956 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7958 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7960 * combine.c (recog_for_combine): Remove the old notes
7961 prior to attempting to recognize the new pattern.
7962 (distribute_notes): Ignore REG_NONNEG notes.
7964 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7966 * varasm.c (output_constructor): Add .align 0 for packed vars.
7968 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7970 * configure.in: Use default thread_file even when enable_threads is
7971 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7972 * configure: Rebuilt.
7974 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7976 2000-08-04 Donn Terry (donnte@microsoft.com)
7978 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
7980 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
7982 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
7983 Delete code that conditionally modifies 'version'.
7984 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
7985 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
7986 * gcc.c (main): Use it.
7987 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
7988 * prefix.c (update_path): Use it.
7989 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
7990 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
7991 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
7993 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
7994 (SUBTARGET_SWITCHES): Adjust.
7995 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
7997 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
7999 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8001 * c-common.h (flag_isoc94): Declare.
8002 * c-decl.c (flag_isoc94): Define.
8003 (c_decode_option): Set flag_isoc94 as appropriate.
8004 * c-common.c (T_PD, T_IM, T_UIM): Define.
8005 (format_char_info): Add tlen and jlen.
8006 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
8008 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
8010 (time_char_table): Add NULL entries for %t and %j.
8011 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
8012 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
8013 Warn for printf %lf if pedantic and not C99. Don't warn for empty
8014 precision. Allow precision argument to be unsigned int. If
8015 pedantic, warn for %p passed an argument not a pointer to possibly
8016 qualified void or a possibly qualified character type, and for
8017 pointer targets of the wrong sign, except for character pointers.
8019 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8021 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
8022 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
8023 (wint_type_node): Define.
8024 * c-decl.c (WINT_TYPE): Define.
8025 (init_decl_processing): Create the wint_type_node type.
8026 * c-common.c (T_WI): Define.
8027 (print_char_table): Use T_WI for %lc format.
8029 2000-08-04 Bruce Korb <bkorb@gnu.org>
8031 * fixinc/: Verified that the MSDOS patch does not break
8032 the UNIX functionality and applied the next three patches
8035 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
8037 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
8038 output file with the temporary one by appending ".X" to generate
8039 the temporary fuile's name. If the output file already has an
8040 extension, replace it with ".X".
8042 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
8043 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
8044 reallocate the command buffer while copying the command-line
8045 argument. Redirect the output directly to the temporary file,
8046 instead of going through another temporary file.
8047 (process): Close the temporary file before unlinking it.
8048 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
8049 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
8050 (run_compiles): Pass p_fixd argument to machine_matches, as it
8053 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
8054 environment, assume there are no symlinks in the include
8055 directory. When cleaning up the DONE files, look for them
8056 case-insensitively. Don't try to remove symlinks if they aren't
8059 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
8060 all callers changed. Declare pz "const char *", to avoid compiler
8063 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
8064 Change prototype of make_raw_shell_str.
8066 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
8068 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
8069 (initialize) [__MSDOS__]: Use tempnam.
8070 (initialize): Don't use SIGPIPE if it is not defined.
8072 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
8075 2000-07-25 Bruce Korb <bkorb@gnu.org>
8077 * fixinc/fix*.[ch]: substantially reworked to make it possible
8078 to run this program without using fork(2) or pipe(2) (i.e. in
8081 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8083 * cppdefault.h (WINT_TYPE): Define.
8084 * cppinit.c (builtin_array): Define __WINT_TYPE__.
8085 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
8086 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
8088 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
8090 * (mips_legitimate_address_p): Don't allow register+offset
8091 if the offset is large and negative, and we are compiling
8092 for 64 bit registers.
8094 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8096 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
8097 insn_code_number + 1.
8099 2000-08-04 Kazu Hirata <kazu@hxi.com>
8101 * h8300.c (function_prologue): Rearrange code for conciseness.
8102 (function_epilogue): Likewise.
8103 * h8300.h (OK_FOR_U): Fix formatting.
8105 * cse.c: Fix a comment typo. Fix formatting.
8107 2000-08-03 Richard Henderson <rth@cygnus.com>
8109 * config/i386/i386.md (return_indirect_internal): New.
8110 * config/i386/i386.c (ix86_expand_epilogue): Use it.
8112 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
8114 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
8116 (lex_line): Glue @ onto the beginning of identifiers and
8117 string constants, in Objective-C mode.
8118 (output_token, spell_token): Handle CPP_OSTRING.
8119 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
8120 beginning of a NAME or a STRING, in objc mode.
8122 * cpplib.c (get_define_node): Do not permit identifiers that
8123 begin with @ to be #defined.
8124 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
8125 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
8127 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
8128 * c-tree.h (build_objc_string): Delete prototype.
8129 * objc/objc-tree.def: Delete OBJC_STRING_CST.
8130 * c-lex.c (yylex): Use build_string for all three kinds of strings.
8132 * c-parse.in, objc/objc-act.c: Update commentary.
8134 2000-08-03 Mark Mitchell <mark@codesourcery.com>
8136 * extend.texi: Fix typo in last change.
8138 * extend.texi: Add commentary on statement-expressions and their
8139 interactions with C++.
8141 2000-08-03 Nick Clifton <nickc@cygnus.com>
8143 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
8144 * dwarf.h (LANG_JAVA): Change value to 0x000b.
8146 2000-08-03 Anthony Green <green@cygnus.com>
8148 * dwarf2out.c (gen_compile_unit_die): Add java language support.
8149 (add_bound_info): Check for java language.
8150 (is_java): New function.
8151 * dwarfout.c (output_compile_unit_die): Ditto.
8152 * dwarf.h (dwarf_source_language): Add java source language type.
8153 * dwarf2.h (dwarf_source_language): Ditto.
8155 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8157 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
8160 * i386.c (ix86_expand_branch): Mode of comparison in
8161 IF_THEN_ELSE is VOIDmode.
8163 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
8165 * gengenrtl.c, rtl.c: Avoid #elif.
8167 2000-08-03 Michael Poole <poole@troilus.org>
8169 * tm.texi (Register Classes): Clarify order of sub-initializers
8170 in REG_CLASS_CONTENTS.
8172 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8174 From SAITOH Masanobu:
8175 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
8177 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
8179 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
8180 is not supported by tradcpp and isn't actually needed for cygwin.
8182 2000-08-03 Kazu Hirata <kazu@hxi.com>
8184 * h8300.c: Fix a comment typo.
8185 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
8187 * jump.c: Fix formatting.
8189 * toplev.c: Fix formatting.
8191 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
8193 * flow.c (find_auto_inc): Verify that we've got a REG before
8194 peeking at its regno. Fail, don't abort if we can't find
8195 the increment of the desired register.
8197 * pa.md (shadd height reduction patterns/splitters): Remove.
8199 2000-08-02 Jim Wilson <wilson@cygnus.com>
8201 * config/ia64/ia64-protos.h (flag_ssa): Declare.
8202 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
8204 2000-08-02 Mark Mitchell <mark@codesourcery.com>
8206 * dce.c: Remove all uses of assert.
8207 * dwarf2out.c: Likewise.
8208 * dwarfout.c: Likewise.
8211 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8213 * gcc.h (lang_specific_driver): Constify second argument.
8214 * gcc.c (translate_options, process_command, main): Likewise.
8215 Constify variables to match. Cast second argument to
8218 * cppspec.c, gccspec.c: Adjust type of second argument to
8219 lang_specific_driver, and update code as necessary.
8221 2000-08-02 Jakub Jelinek <jakub@redhat.com>
8223 * loop.c (scan_loop): Ensure update_end label does not
8224 go away until reg_scan_update is run.
8226 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8228 * c-common.h: Prototype min_precision and c_build_qualified_type here...
8229 * c-tree.h: ... not here.
8230 * errors.h: Prototype fancy_abort.
8232 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
8233 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
8234 * regrename.c (regrename_optimize): Make control flow explicit.
8235 (replace_reg_in_block): Initialize reg_use to 0.
8237 * i386.c (legitimate_address_p): Rename error label to
8238 report_error to avoid namespace clash.
8240 2000-08-02 Kazu Hirata <kazu@hxi.com>
8242 * fold-const.c: Fix formatting.
8244 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
8246 * i386.c (legitimate_address_p): Accept other bases than
8247 pic_offset_table_rtx for GOTOFF constructs.
8249 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8251 * i386.md (shift to lea splitter): Use const_int_operand.
8253 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8255 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
8256 cppspec.c: Do not use 'legal' or 'illegal' in error messages
8259 * cppmain.c (cb_define, cb_undef): Don't generate any output
8260 if not done_initializing.
8261 * cpplex.c (maybe_paste_with_next): When the token after a ##
8262 is an omitted rest argument, only delete the token before it
8263 if that token is a comma. Do not warn about bogus token
8264 pastes for , ## rest_arg.
8267 * cpp.1: Regenerate.
8269 2000-08-02 Fred Fish <fnf@be.com>
8271 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
8272 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
8275 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
8276 Be directories to search path.
8278 Remove support for __declspec(dllimport) and __declspec(dllexport).
8279 This is leftover cruft from the earlier BeOS gcc port when BeOS
8280 used Microsoft's PE object file format.
8281 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
8282 * config/i386/t-beos (winnt.o): Remove Makefile frag.
8283 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
8284 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
8285 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8286 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
8287 (REDO_SECTION_INFO_P): Remove.
8288 (ASM_EXPORT_DECL): Remove.
8289 (ASM_DECLARE_FUNCTION_NAME): Remove.
8290 (ASM_DECLARE_OBJECT_NAME): Remove.
8291 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
8292 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
8293 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
8294 (STRIP_NAME_ENCODING): Remove.
8296 Remove support for obsolete version of BeOS that is no longer
8298 * configure.in (i*86-*-beospe*): Remove.
8299 * config/i386/beos-pe.h: Remove.
8301 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
8302 Mark Mitchell <mark@codesourcery.com>
8304 * Makefile.in (OBJS): Added dce.o.
8305 (ssa.o): Updated target to include ssa.h.
8307 (toplev.o): Likewise.
8308 (dce.o): Created target.
8309 * basic-block.h: Added comments.
8310 (INVALID_BLOCK): Added definition.
8311 (connect_infinite_loops_to_exit): Added declaration.
8312 Moved SSA declarations to ssa.h.
8313 * flow.c: Added inclusion of ssa.h.
8314 (struct depth_first_search_dsS, depth_first_search_ds):
8316 (compute_immediate_postdominators): Added definition.
8317 (connect_infinite_loops_to_exit): Likewise.
8318 (flow_dfs_compute_reverse_init): Likewise.
8319 (flow_dfs_compute_reverse_add_bb): Likewise.
8320 (flow_dfs_compute_reverse_execute): Likewise.
8321 (flow_dfs_compute_reverse_finish): Likewise.
8322 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
8323 (LABEL_P): Added definition.
8326 (BARRIER_P): Likewise.
8327 (JUMP_TABLE_DATA_P): Likewise.
8328 (INSN_DEAD_CODE_P): Likewise.
8329 * ssa.c: Replaced inclusions with ssa.h inclusion.
8330 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
8331 (rename_registers): Removed unnecessary variables.
8332 * ssa.h: Created by moving declarations from ssa.c and
8334 * timevar.def: Defined TV_DEAD_CODE_ELIM.
8335 * toplev.c: Added ssa.h inclusion.
8336 (dump_file_index): Added DFI_dce.
8337 (dump_file): Added "dce" entry.
8339 (f_options): Added dce entry.
8340 * invoke.texi: Document -fdce. Emphasize experimental status of
8344 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
8346 * cpperror.c (v_message): Split into _cpp_begin_message and
8347 v_message macro. All callers updated.
8348 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
8351 * cppfiles.c (cpp_syshdr_flags): New function.
8352 (read_include_file): Don't call cpp_output_tokens. Call
8354 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
8355 (cpp_reader_init): Don't initialize token_buffer. Call
8356 _cpp_init_internal_pragmas.
8357 (cpp_cleanup): Don't clear token_buffer.
8358 (cpp_start_read): Don't worry about output from -D processing.
8359 Don't call cpp_output_tokens.
8360 (cpp_finish): Don't dump macros here. Don't call
8362 * cppmacro.c (_cpp_dump_definition): Rename
8363 cpp_dump_definition. Write directly to a FILE *.
8364 (dump_funlike_macro): Delete.
8365 (dump_macro_args): New.
8367 * cpplex.c (TOKEN_LEN): Convert to inline function.
8368 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
8369 cpp_scan_line, _cpp_dump_list): Delete.
8370 (cpp_printf, cpp_output_list): New.
8371 (output_line_command): Don't worry about entering or leaving files.
8372 (cpp_scan_buffer): Just output each token as we hit it.
8373 (process_directive): Don't call cpp_output_tokens.
8374 (_cpp_glue_header_name): Don't use token_buffer.
8375 (output_token, dump_param_spelling): Write directly to a FILE *.
8377 * cpplib.c (pass_thru_directive, dump_macro_name,
8378 pragma_dispatch, do_pragma_gcc): Delete.
8379 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
8380 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
8382 (do_error, do_warning, pragma_dependency): Call
8383 _cpp_begin_message, then cpp_output_list.
8384 (cpp_register_pragma, cpp_register_pragma_space,
8385 _cpp_init_internal_pragmas): New.
8386 (do_pragma): Walk the pragmas table here.
8387 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
8388 do_pragma_dependency): Return void.
8389 (do_pragma_implementation): Moved to cppmain.c.
8391 * cpplib.h: Update prototypes.
8392 (struct cpp_reader): Remove printer, token_buffer,
8393 token_buffer_size, and limit. Add struct cb, and pragmas.
8394 (struct cpp_printer): Remove last_id and written.
8395 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
8396 CPP_ADJUST_WRITTEN): Delete.
8397 * cpphash.h: Update prototypes.
8398 (ufputs): New wrapper.
8400 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
8401 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
8402 (main): Set up callbacks. Register #pragma implementation.
8403 Dump macros from here.
8405 2000-08-01 Geoff Keating <geoffk@cygnus.com>
8407 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
8408 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
8409 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
8410 insns if they have a REG_MAYBE_DEAD note attached.
8411 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
8412 (rs6000_emit_load_toc_table): TOC loads may go dead.
8414 2000-08-01 Jim Wilson <wilson@cygnus.com>
8416 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
8417 type exists before using it. Use number of words as alignment
8419 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
8420 ia64_va_arg): Propagate ia64_function_args changes here.
8422 2000-08-01 Richard Henderson <rth@cygnus.com>
8424 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
8425 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8427 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
8429 From Joern Rennecke:
8430 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
8431 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
8432 unless TARGET_SH3E is set.
8433 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
8435 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
8436 (ashlsi3_std): New pattern.
8437 (ashlsi3 expander): Use it for TARGET_SH3.
8438 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
8440 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8442 * loop.c (canonicalize_condition): Use destination, not source to
8443 determine SET's mode.
8445 2000-07-31 Mark Mitchell <mark@codesourcery.com>
8447 * flow.c (clear_log_links): Fix typo.
8449 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
8451 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
8452 on targets which need more than one insn for a compare/cbranch
8455 2000-07-31 Jim Wilson <wilson@cygnus.com>
8457 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
8458 when computing offset.
8460 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
8462 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
8464 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8466 * flow.c (clear_log_links): Nuke global_live_at_start and
8467 global_live_at_end data, since if the log_links stuff is invalid
8468 so is global_live_at_*.
8470 2000-07-31 Richard Henderson <rth@cygnus.com>
8472 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
8474 2000-07-31 Jakub Jelinek <jakub@redhat.com>
8476 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
8477 (_cpp_get_token): Don't macro expand a just pasted token if it
8478 was pasted at no_expand_level.
8480 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8482 * cppmacro.c (find_param, count_params, save_expansion):
8483 Permit 'defined' as a macro parameter name.
8485 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8487 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
8488 xcpp to cpp throughout.
8489 (native): Remove unnecessary dependency on cpp.
8491 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
8492 tradcpp to tradcpp0.
8493 (.i spec): Add missing output-file spec to cc1 command line.
8494 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
8496 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8498 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
8499 (implicit_decl_warning): New function.
8500 (implicitly_declare): Use it.
8501 * c-typeck.c (build_external_ref): Use implicit_decl_warning
8502 to complain about implicit decls of builtins.
8504 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
8505 based on pedantic && flag_isoc99, if not already set.
8506 * c-tree.h: Declare mesg_implicit_function_declaration.
8507 Prototype implicit_decl_warning.
8509 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
8511 * Makefile.in (ssa.o): Updated header files in dependences.
8512 * basic-block.h: Added compute_immediate_postdominators declaration.
8513 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
8515 * flow.c (compute_immediate_dominators): Updated comment.
8516 (compute_immediate_postdominators): Added definition.
8517 * rtl.h (HARD_REGISTER_P): Added definition.
8518 * ssa.c: Include additional header files.
8519 (assert): Added definition.
8520 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
8521 include select hard registers.
8522 (ssa_rename_to_insert): Likewise.
8523 (ssa_rename_from_initialize): Likewise.
8524 (ssa_rename_from_lookup): Likewise.
8525 (original_register): Likewise.
8526 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
8527 include select hard reigsters.
8528 (ssa_rename_from_traverse): Likewise.
8529 (ssa_rename_from_free): Likewise.
8530 (ssa_rename_from_print): Likewise.
8531 (ssa_rename_from_print_1): Likewise.
8532 (ssa_rename_from_hash_function): Likewise.
8533 (ssa_rename_from_equal): Likewise.
8534 (ssa_rename_from_delete): Likewise.
8535 (simplify_to_immediate_dominators): Removed in favor of
8536 flow.c:compute_immediate_dominators.
8537 (find_evaluations_1): Modified to work with hard registers.
8538 (insert_phi_node): Likewise.
8539 (insert_phi_nodes): Likewise.
8540 (struct rename_set_data): Updated prev_reg comment.
8541 (create_delayed_rename): Modified to work with hard registers.
8542 (RENAME_NO_RTX): Updated comment.
8543 (apply_delayed_renames): Modified to work with hard registers.
8544 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
8545 (rename_block): Updated to use revised ssa_rename_to interface.
8546 (rename_registers): Updated to use revised ssa_rename_to and
8547 ssa_rename_from interface.
8548 (convert_to_ssa): Revised to use compute_immediate_dominators and
8549 deal with hard registers.
8550 (make_regs_equivalent_over_bad_edges): Modified to work with hard
8551 registers. Added check for illegal unification of hard register.
8552 (make_equivalent_phi_alternatives_equivalent): Modified to work
8553 with hard registers.
8554 (compute_conservative_reg_partition): Likewise.
8555 (coalesce_if_unconflicting): Modified to work with hard registers
8556 and check for conflicting hard registers.
8557 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
8559 (rename_equivalent_regs_in_insn): Modified to work with hard
8561 (record_canonical_element_1): Added definition.
8562 (check_hard_regs_in_partition): Added definition.
8563 (convert_from_ssa): Added data structure deallocation and check
8564 for illegal hard register unification.
8565 (conflict_hard_regs_p): Added definition.
8566 * toplev.c (rest_of_compilation): Added comment.
8568 2000-07-31 Anthony Green <green@redhat.com>
8570 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
8572 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
8574 * builtins.c (expand_builtin_apply): Don't defer pop during
8577 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8579 * calls.c (combine_pending_stack_adjustment_and_call): Only use
8580 preferred_unit_stack_boundary when it is > 1.
8582 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
8584 * c-common.c (init_function_format_info): Add C99 format functions
8587 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8588 void' or 'register void' as being the special case of 'void' alone
8589 in a parameter list.
8591 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8592 discarding qualifiers into a plain warning.
8594 2000-07-31 Kazu Hirata <kazu@hxi.com>
8596 * combine.c: Fix formatting.
8598 * h8300.md: Fix formatting.
8600 * local-alloc.c: Fix formatting.
8602 * h8300.c (get_shift_alg): Remove the variable alg.
8603 (emit_a_shift): Rearrange code to improve readability.
8605 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8607 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8608 HImode on all architectures and a combination of HImode and SImode
8609 on H8/300H and H8/S.
8611 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8613 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8615 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8618 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8620 * recog.c (extract_insn): Set operand_mode according to
8621 operand if match_operand is VOIDmode.
8623 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8625 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8627 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8629 * c-parse.in (extdefs): Call ggc_collect between external
8632 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8633 Richard Henderson <rth@cygnus.com>
8635 * Makefile.in (OBJS): Add doloop.o.
8636 * doloop.c: New file.
8638 * final.c (insn_current_reference_address): Return 0 before final.
8639 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8640 * jump.c (any_uncondjump_p): Likewise.
8641 * loop.c (indirect_jump_in_function): Make static.
8642 (strength_reduce): Call doloop_optimize.
8643 (insert_bct, instrument_loop_bct): Remove.
8644 * loop.h (doloop_optimize): Prototype.
8645 * recog.c (split_all_insns): Split all INSN_P.
8646 * toplev.c (flag_branch_on_count_reg): Default on.
8648 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8649 flag_branch_on_count_reg.
8650 * config/i386/i386.c (override_options): Likewise.
8651 * config/rs6000/rs6000.c (optimization_options): Likewise.
8653 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8655 (dbra_ge): Remove, as well as all it's splitters.
8657 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8660 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8661 (ia64_register_move_cost): Declare.
8662 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8663 (struct ia64_frame_info): Add ar_size.
8664 (ia64_compute_frame_size): Set it.
8665 (save_restore_insns): Save and restore ar.lc.
8666 (ia64_register_move_cost): New, moved from header file. Handle
8667 application registers.
8668 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8669 (emit_insn_group_barriers): Special case doloop_end_internal.
8670 (ia64_epilogue_uses): Mark ar.lc live at end.
8671 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8672 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8673 (FIRST_PSEUDO_REGISTER): Make room.
8674 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8675 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8676 (REG_ALLOC_ORDER): Update.
8677 (HARD_REGNO_MODE_OK): Update.
8678 (REGISTER_NAMES): Update.
8679 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8680 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8681 (REGNO_REG_CLASS): Update.
8682 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8683 (REGISTER_MOVE_COST): Move out of line.
8684 (PREDICATE_CODES): Update.
8685 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8686 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8687 (shladd_elim splitter): Allow constants in the predicate.
8688 (doloop_end, doloop_end_internal): New.
8690 2000-07-30 Richard Henderson <rth@cygnus.com>
8692 * genattrtab.c (struct insn_def): Add lineno member.
8693 (struct insn_ent): Likewise.
8694 (struct attr_desc): Likewise.
8695 (struct delay_desc): Likewise.
8696 (struct function_unit_op): Likewise.
8697 (struct function_unit): Likewise.
8698 (check_attr_value): Use message_with_line.
8699 (check_defs): Likewise.
8700 (expand_units): Likewise.
8701 (check_attr_test): Take a lineno argument.
8702 (gen_attr): Likewise.
8703 (gen_insn): Likewise.
8704 (gen_delay): Likewise.
8705 (gen_unit): Likewise.
8706 (main): Give it to them.
8707 (convert_set_attr_alternative): Take an insn_def argument
8708 instead of num_alt and insn_index.
8709 (convert_set_attr): Likewise.
8710 (write_test_expr): Protect INSN_ADDRESSES load
8711 with INSN_ADDRESSES_SET_P.
8713 2000-07-30 Richard Henderson <rth@cygnus.com>
8715 * flow.c (init_propagate_block_info): Use pc_set.
8717 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8719 * i386.md (*lea_general_[123]) New insns and splits.
8720 (addsi3 to lea splitter): Handle other modes too.
8721 (shlsi3 to lea splitter): Likewise.
8722 (addhi_1_lea, shlhi_1_lea): New patterns.
8723 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8725 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8727 * recog.c (general_operand, nonimmediate_operand): Accept
8728 any mode for VOIDmode CONSTANT_P operands.
8730 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8732 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8733 instead of replace_rtx.
8734 * recog.c (validate_replace_rtx_subexp): New function.
8735 * recog.h (validate_replace_rtx_subexp): Declare.
8737 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8739 * combine.c (simplify_set, make_extraction, make_compound_operation
8740 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8741 as force_to_mode argument.
8743 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8745 * combine.c (if_then_else_cond): Be sure that mode fits in
8748 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8750 * combine.c (record_promoted_value): Allow bitsize of mode
8751 to be equivalent to HOST_BITS_PER_WISE_INT.
8753 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8755 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8756 Do not call gen_mode_alignment when mode is BLKmode.
8758 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8760 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8762 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8764 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8765 VOIDmode implies both operands to be VOIDmode.
8766 (simplify_ternary_operation): Compute properly the mode of comparison.
8767 * combine.c (combine_simplify_rtx): Likewise.
8769 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8771 * basic-block.h (struct loops): New field rc_order.
8772 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8773 (flow_loops_free): Free rc_order.
8774 (flow_depth_first_order_compute): New parameter rc_order.
8775 (flow_loops_find): Allocate rc_order and swap usage with
8778 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8779 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8781 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8782 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8783 (nodb_call, return_from_epilogue): Likewise.
8784 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8785 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8786 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8787 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8788 (c4x_valid_type_attribute_p): Likewise.
8789 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8790 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8792 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8794 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8795 and loadhi_big_constant if applicable.
8796 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8797 and add new splitter.s
8799 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8801 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8803 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8805 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8807 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8809 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8811 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8813 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8815 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8817 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8818 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8819 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8820 (get_prev_bb_note): Likewise.
8821 (remove_scope_notes): Likewise.
8822 * flow.c (commit_one_edge_insertion): Likewise.
8823 (merge_blocks_nomove): Likewise.
8824 (verify_flow_info): Likewise.
8825 * gcse.c (insert_insn_end_bb): Likewise.
8826 * reg-stack.c (emit_swap_insn): Likewise.
8827 * ssa.c (first_insn_after_basic_block_note): New function.
8828 (insert_phi_node): Use it.
8829 (rename_block): Likewise.
8830 (eliminate_phi): Likewise.
8831 (make_regs_equivalent_over_bad_edges): Likewise.
8832 (make_equivalent_phi_alternatives_equivalent): Likewise.
8833 (for_each_successor_phi): Likewise.
8834 (convert_from_ssa): Modify phi-node deletion algorithm.
8836 2000-07-29 Andreas Jaeger <aj@suse.de>
8838 * configure.in (mips*-*-linux*): Use mips*el to check for little
8839 endian MIPS, add tmake_file.
8841 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8842 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8843 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8845 2000-07-28 Richard Henderson <rth@cygnus.com>
8847 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8848 Sign extend mode size before negating.
8850 2000-07-28 Richard Henderson <rth@cygnus.com>
8852 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8854 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8856 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8857 (cse_insn): Likewise.
8858 (addr_affects_sp_p): Likewise.
8859 * expr.c (move_by_pieces): Likewise.
8860 (clear_by_pieces): Likewise.
8861 * gcse.c (oprs_unchanged_p): Likewise.
8862 * haifa-sched.c (sched_analyze_2): Likewise.
8863 * recog.c (offsettable_address_p): Likewise.
8864 * regclass.c (record_address_regs): Likewise.
8865 * reload.c (find_reusable_reload): Likewise.
8866 (push_reload): Likewise.
8867 (operands_match_p): Likewise.
8868 (decompose): Likewise.
8869 (find_reloads_address_1): Likewise.
8870 (find_inc_amount): Likewise.
8871 * reload1.c (elimination_effects): Likewise.
8872 * resource.c (mark_set_resources): Likewise.
8873 * flow.c (attempt_auto_inc): New function; mostly broken out
8875 (find_auto_inc): Split into two functions and enhanced to
8876 generate POST_MODIFY.
8877 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8878 * rtl.h (count_all_occurrences): Declare.
8879 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8881 * rtlanal.c (count_all_occurrences): New function.
8882 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8883 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8885 * config/ia64/ia64-protos.h (destination_operand): Declare.
8886 * config/ia64/ia64.c (destination_operand): New function.
8887 (ia64_print_operand): Handle POST_MODIFY.
8888 (rtx_needs_barrier): Likewise.
8889 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8890 (HAVE_POST_MODIFY_REG): Define to 1.
8891 (MAX_REGS_PER_ADDRESS): Change to 2.
8892 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8893 (LEGITIMATE_ADDRESS_REG): New helper macro.
8894 (LEGITIMATE_ADDRESS_DISP): Likewise.
8895 (PREDICATE_CODES): Add entry for destination_operand.
8896 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8897 predicate for operand 0.
8899 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8901 * dwarf2out.c: Indent #error directive.
8903 * gbl-ctors.h: Fix typo in comment.
8904 (__do_global_ctors): Prototype.
8906 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8908 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8909 (print_operand): Initialize variable `t'.
8911 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8913 * config/arm/arm.md ("call_value"): removed constraints.
8914 Constraints are ignored in expanders.
8915 (*call_value_reg): split =rf into various constraints.
8916 (*call_value_mem): same
8917 (*call_value_symbol): same
8918 (*sibcall_value_insn): same
8920 2000-07-28 Philipp Thomas <pthomas@suse.de>
8922 * install.texi (--enable-nls): Change the description of the NLS
8923 related configure options to match the current state.
8924 (--with-included-gettext): Likewise.
8925 (--enable-maintainer-mode): New description added.
8926 * extend.texi (-fstrict-prototype): Add missing '.'.
8928 2000-07-27 Jim Wilson <wilson@cygnus.com>
8930 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8931 DECL_INITIAL (decl) == NULL_TREE.
8933 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8935 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8936 on insn-attr.h with it.
8937 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8938 * insn-addr.h: New header.
8939 (insn_addresses_): Renamed from insn_addresses.
8940 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8941 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8942 INSN_ADDRESSES_NEW): New macros.
8943 * genattrtab.c (write_test_expr): Use new macros.
8944 * final.c (insn_addresses, init_insn_lengths): Likewise.
8945 (align_fuzz, shorten_branches): Likewise.
8946 (final): Likewise. Do not reject new insns if their addresses
8947 have been added to INSN_ADDRESSES.
8948 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8949 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8950 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8951 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8952 * config/sh/sh.c: Likewise.
8953 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8955 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8957 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8959 * gcc.c (struct prefix_list): Add member priority.
8960 (enum path_prefix_priority): Declare.
8961 (add_prefix): Replace ``first'' with ``priority''. Append new
8962 entry but keep list in priority order.
8963 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8964 PREFIX_PRIORITY_LAST to add_prefix.
8965 (process_command): Move include kludge - foo/stageN - to before
8968 2000-07-27 Jason Merrill <jason@redhat.com>
8970 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8971 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8973 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8975 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8976 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8978 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
8980 * c-decl.c (finish_function): Don't treat 'main' specially unless
8981 flag_hosted. In C99 mode, return 0 from 'main' unless
8982 DEFAULT_MAIN_RETURN is otherwise defined.
8984 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
8985 parameters defaulting to int in an old-style function definition.
8987 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8989 * c-parse.in (string): For -Wtraditional, warn about string
8990 concatenation only once per line.
8992 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
8994 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
8995 for HI-UX/WE2 systems.
8997 2000-07-24 Bruce Korb <bkorb@gnu.org>
8999 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
9000 defining the __xxx_TYPE__ macros.
9001 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
9002 * fixincl/fixlib.h: don't need to include "tm.h" anymore
9003 * fixincl/inclhack.def(type_map): now obsolete
9005 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
9007 * cpp.texi: Append a trailing full-stop to xrefs where needed.
9009 2000-07-26 Dave Pitts <dpitts@cozx.com>
9011 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
9013 (mvs_hash_alias): New function.
9014 (mvs_add_alias): Change argument spacing.
9015 (mvs_need_alias): Change aliasing criteria. Added documentation.
9016 (mvs_get_alias): Change to use hashed name. The hashed name prevents
9017 CSECT name collisions.
9018 (mvs_check_alias): Likewise.
9019 (handle_pragma): Change documentation.
9020 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
9021 mode from SImode to DImode.
9022 (iorhi3): Changed LTORG size for insn.
9024 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
9026 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
9027 mem if the address is a mode_dependent_address_p.
9029 2000-07-26 Kazu Hirata <kazu@hxi.com>
9031 * h8300.c (print_operand): Print ":8" when the 'R' operand is
9032 suitable for 8-bit absolute.
9033 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
9034 (OK_FOR_U): Add a case for the 8-bit constant address on the
9037 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
9039 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
9040 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
9041 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
9042 lack of implemented alignment.
9044 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
9046 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
9047 cross-compiling between 64-bit and 32-bit machines.
9049 2000-07-27 Richard Henderson <rth@cygnus.com>
9051 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
9052 (movhicc_astep, movhi_internal_astep): New.
9053 (movsicc_astep, movsi_internal_astep): New.
9054 (movdicc_astep, movdi_internal_astep): New.
9055 (movsfcc_astep, movsf_internal_astep): New.
9056 (movdfcc_astep, movdf_internal_astep): New.
9057 (movxfcc_astep, movxf_internal_astep): New.
9058 (cmovdi_internal_astep, cmovsi_internal_astep): New.
9059 Unify the cmov[ds]i splitters.
9061 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
9063 * real.c (asctoeg): Rename `error' label to unexpected_char_error
9065 2000-07-26 Nick Clifton <nickc@cygnus.com>
9067 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
9068 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
9070 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
9071 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
9073 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
9075 * c-decl.c (finish_enum): Convert enumerations that fit in an
9077 (build_enumerator): In pedantic mode, cast to `int' those that
9080 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
9082 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
9084 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9086 * sh.md (cmpgtdi_t): Must be split.
9087 (cmpgtdi_t+1): New splitter.
9089 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
9091 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
9092 warnings for indented directives even if we are skipping.
9094 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
9096 * invoke.texi (strict-prototypes): Remove.
9097 * extend.texi (Deprecated Features): Add strict-prototypes.
9098 (Backwards Compatibility): New node.
9100 2000-07-25 Jakub Jelinek <jakub@redhat.com>
9102 * config/i386/i386.md (andsi_1+1): Allow HImode.
9103 (andsi_1+2): Require q_regs_operand.
9105 2000-07-25 Jakub Jelinek <jakub@redhat.com>
9107 * config/i386/i386.md (call_pop): Check operands[0],
9108 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
9110 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
9111 (call_value): Likewise.
9113 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
9115 * toplev.c (pipe_closed): Delete.
9116 (crash_signal): New. Generate ICE for a fatal signal.
9117 (float_signal): Call crash_signal outside a float-handler
9119 (main): Install crash_signal as handler for core-dumping signals.
9121 2000-07-25 David Edelsohn <edelsohn@gnu.org>
9123 * rs6000.c (print_operand, case 'T'): New case.
9125 * rs6000.md (call_indirect_aix32): Convert to expander of
9126 scheduled instructions.
9127 (call_indirect_aix64): Likewise.
9128 (call_value_indirect_aix{32,64}): Likewise.
9129 (call, call_value): Invoke expanders for AIX. Fall through to
9131 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
9132 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
9133 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
9134 only "g" constraint.
9135 (call_nonlocal_aix64): Likewise.
9136 (call_value_nonlocal_aix{32,64}): Likewise.
9137 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
9139 (call_value_nonlocal_sysv): New pattern.
9140 (indirect_jump{si,di}): Use new 'T' modifier.
9141 (tablejump{si,di} matchers): Likewise.
9142 (return_internal_{si,di}): Likewise.
9143 (return_eh_{si,di}): Likewise.
9145 2000-07-24 Richard Henderson <rth@cygnus.com>
9147 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
9148 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
9149 * config/ia64/ia64.md (movdi_internal): Use it.
9151 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
9153 * cppexp.c: Warn about unary + if -Wtraditional.
9154 * cpplex.c (lex_line): Always set BOL on the first token of a line.
9156 2000-07-24 Michael Meissner <meissner@redhat.com>
9158 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
9161 2000-07-24 Nick Clifton <nickc@cygnus.com>
9163 * config/arm/arm.c (emit_multi_reg_push): Generate a
9164 REG_FRAME_RELEATED_NOTE that is compatable with the code in
9165 dwarf2out_debug_frame_expr.
9167 2000-07-24 Jason Merrill <jason@redhat.com>
9169 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
9170 UNALIGNED_INT_ASM_OP.
9171 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
9172 a location expression.
9173 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
9174 assume indirect access if we're saving the CFA address exactly.
9176 * Makefile.in (bootstrap): Move -BstageN/ to the end.
9178 2000-07-24 Jakub Jelinek <jakub@redhat.com>
9180 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
9183 2000-07-24 Michael Meissner <meissner@redhat.com>
9185 * invoke.texi (D30V Options): Add d30v options.
9187 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
9189 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
9190 needed by our gcse pass anymore.
9191 (free_pre_mem): Corresponding changes.
9192 (compute_pre_data): Do not call compute_transpout anymore.
9194 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
9195 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
9198 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
9199 (compute_pre_data): Do it here instead.
9201 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
9203 (pre_delete): Corresponding changes.
9205 2000-07-23 Mark Mitchell <mark@codesourcery.com>
9207 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
9208 to figure out whether or not a variable has already been emitted.
9210 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
9212 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
9213 instead of gen_call.
9215 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
9217 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
9219 2000-07-23 Kazu Hirata <kazu@hxi.com>
9221 * h8300.c: Fix formatting.
9223 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
9225 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
9226 for `long' switch expression into a plain warning.
9228 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
9229 (yylex): Don't pedwarn for "inline" in C99 mode.
9231 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
9233 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
9234 ggc_alloc): Likewise.
9235 * bb-reorder.c (dump_scope_forest_1): Likewise.
9237 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
9239 * reload.c (find_reloads_toplev): Add new parameter
9241 (find_reloads): Add new parameter to find_reloads_toplev calls.
9243 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
9245 * collect2.c (main): Typo fixed.
9246 * diagnostic.c: Typo fixed.
9247 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
9248 * eh-common.h: Typo fixed.
9249 * emit-rtl.c (start_sequence): Typo fixed.
9250 * flow.c (find_label_refs): Typo fixed.
9251 (calculate_global_regs_live): Typo fixed.
9252 (mark_regno_cond_dead): Typo fixed.
9253 (create_edge_list): Typos fixed.
9254 (verify_edge_list): Typo fixed.
9255 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
9256 * loop.c (strength_reduce): Typo in function name fixed.
9257 * rtl.h: Added comments. Typo in function name fixed.
9258 * rtlanal.c: Typo in function name fixed.
9259 (insn_dependant_p): Rename to ...
9260 (insn_dependent_p): ... this.
9261 (computed_jumo_p): Typo fixed.
9263 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9265 * system.h (__FUNCTION__): Wrap definition in #ifndef.
9267 2000-07-21 David Edelsohn <edelsohn@gnu.org>
9269 * rs6000.h (SIZE_TYPE): Define.
9271 2000-07-21 Mark Mitchell <mark@codesourcery.com>
9273 * ssa.c (rename_insn_1): Don't rename registers that are
9276 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
9278 * diagnostic.c (trim_filename, fancy_abort): Moved here from
9280 (fatal_function, set_fatal_function): Removed.
9281 (fatal): Don't prepare for or call the fatal_function.
9282 (diagnostic_lock, error_recursion): New.
9283 (diagnostic_for_decl, report_diagnostic): Guard against
9284 re-entering the error reporting routines.
9285 (fancy_abort): Assume function is not NULL.
9287 * errors.c (fancy_abort): New. Assume function is not NULL.
9288 * tradcpp.c (fancy_abort): Assume function is not NULL.
9290 * system.h: Provide default definition of __FUNCTION__.
9291 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
9292 Always use __FUNCTION__ in definition of abort.
9294 * varray.h: Likewise.
9295 * toplev.h: Likewise. Don't prototype set_fatal_function.
9297 2000-07-20 Geoff Keating <geoffk@cygnus.com>
9299 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
9301 * glimits.h: Don't do #if defined for ARCH_PPC.
9303 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
9304 constants of size no larger than a pointer should go in the TOC.
9305 Add 'MODE' parameter.
9306 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
9307 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
9308 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
9309 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
9310 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
9311 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
9312 (rs6000_legitimize_address): Likewise.
9313 (rs6000_emit_move): Likewise.
9314 (rs6000_select_rtx_section): Likewise.
9315 (output_toc): Deal properly with outputting small constants like
9316 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
9317 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
9318 MODE parameter. Put small constants in the TOC.
9320 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
9322 (rs6000_emit_move): When reload calls us with an illegitimate
9323 address, exit early. Move the change_address calls to one place
9324 at the end of the routine. Merge the SImode and DImode expanders.
9325 When called by reload to put an integer into a FP register, force
9328 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
9330 (rs6000_hash_constant): Hash mode too.
9331 (toc_hash_function): Allow for key_mode.
9332 (toc_hash_eq): Structures are different if key_mode differs.
9333 (output_toc): Add 'mode' parameter. Save key_mode.
9334 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
9335 Pass 'mode' parameter.
9336 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
9338 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
9339 for vtable references.
9341 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
9342 choice, don't put integer values in FP regs.
9344 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
9346 * flow.c (verify_flow_info): Revamp code to verify that the
9347 head and end of each basic block are in the insn chain.
9349 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
9351 * gcse.c (record_one_set): Prepend instead of append onto
9352 reg_set_table, making it O(n) instead O(n^2).
9353 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
9354 Use a queue instead of a stack as worklist.
9356 2000-07-20 Kazu Hirata <kazu@hxi.com>
9358 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
9359 * h8300.h (OK_FOR_T): New.
9360 (EXTRA_CONSTRAINT): Support OK_FOR_T.
9361 * h8300.md: Use inc/dec.[wl] for increment/decrement
9362 by 1 and 2 in HI and SI modes.
9364 2000-07-20 Jim Wilson <wilson@cygnus.com>
9366 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
9367 larger than 14 bits.
9369 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
9371 * cppmacro.c (CAN_PASTE_AFTER): New macro.
9372 (count_params): Don't set GNU_REST_ARGS on anything.
9373 (save_expansion): Set PASTE_LEFT only on tokens for which
9374 CAN_PASTE_AFTER is true, or which are named operators.
9376 * cpplex.c (parse_args): Distinguish between a rest argument
9377 given one empty argument, and a rest argument given zero arguments.
9378 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
9379 deletion of previous token based on that.
9380 (get_raw_token): Flatten some control structure.
9382 * cpplib.h (CPP_LAST_EQ): Correct.
9383 (VOID_REST): New token flag.
9384 (GNU_REST_ARGS): Delete.
9386 * tradcpp.c (main): Don't munge -D options.
9387 (make_definition): Bring -D handling in line with cpplib.
9388 (do_define): Strip all leading whitespace from macro definitions.
9390 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
9392 * Makefile.in (tradcpp): Depend on intl.o and version.o.
9394 2000-07-20 Bruce Korb <bkorb@gnu.org>
9396 * fixincl/check.tpl: strip the platform specific types before testing
9397 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
9398 * fixincl/fixincl.tpl: use platform specific types
9399 * fixincl/fixlib.h: include the platform specific types
9400 * fixincl/inclhack.def(gnu_types): don't supply the types
9401 * fixincl/fixincl.x: regen
9403 2000-07-19 Jim Wilson <wilson@cygnus.com>
9405 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
9408 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9410 * tradcpp.c (rescan): Do not recognize directives when the #
9413 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9415 Implement C++ named operators.
9417 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
9418 of operators allowed in #if and having an _EQ variant. Add
9419 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
9420 (cpp_token flags): Add NAMED_OP.
9421 (enum node_type): Add T_OPERATOR.
9422 (struct cpp_hashnode): Add code slot to value union.
9423 * cpphash.h (spec_nodes): Remove n_defined.
9425 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
9426 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
9427 (is_macro_disabled): Tweak error messages.
9429 * cpplib.c (get_define_node): Disallow all named operators as
9430 macro names. Tweak error messages.
9431 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
9433 * cppinit.c (builtin_array): Add entries for the named operators.
9434 * cppexp.c (lex): Check for CPP_DEFINED token.
9435 (priority table): Add entries for CPP_MIN and CPP_MAX.
9436 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
9438 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
9440 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
9441 larger than the array of cuids.
9442 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
9445 2000-07-19 Bruce Korb <bkorb@gnu.org>
9447 * fixinc/fixincl.c: Convert to using a table of environment variables
9448 and activate the auto-edit marker on the fixed output files.
9449 * fixinc/fixlib.h: Define the environment table
9450 * fixinc/fixincl.sh: export the ${INPUT} dir
9451 * fixinc/check.tpl: likewise
9453 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9455 * gcc.c (.h spec): Fix typo.
9457 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
9459 * Makefile.in: Fix tradcif.c path.
9461 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9463 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
9466 * cpphash.h (TOKEN_NAME): New macro.
9467 (_cpp_spell_operator): Deleted.
9468 (token_spellings): Now _cpp_token_spellings.
9470 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
9471 * cpplex.c: Use OP and TK macros when expanding the
9472 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
9473 store the stringification of the enumeration name (CPP_CHAR,
9474 etc.) in the name slot of token_spellings.
9475 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
9476 token_spellings directly.
9477 * cpplib.c: Use TOKEN_SPELL.
9479 * cpplex.c (_cpp_push_token): If the token being pushed back
9480 is the previous token in this context, just subtract one from
9482 * cppmacro.c (save_expansion): Clear aux field when storing a
9485 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9487 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
9488 buffer, provided it is not NULL.
9490 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
9492 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
9493 case of invalid volatile re-declaration.
9495 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9497 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
9498 (expand_call): Adjust caller.
9500 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
9502 * diagnostic.h (report_diagnostic): Change prototype.
9504 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
9505 diagnostic_for_decl): Change prototype.
9506 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
9507 error, warning, error_with_file_and_line,
9508 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
9509 Adjust call to report_diagnostic, diagnostic_for_decl.
9510 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
9511 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
9513 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
9514 varaible argument list.
9516 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9518 * cpphash.c: Don't include hashtab.h. Most macro-handling code
9519 moved to cppmacro.c.
9520 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
9521 dump_hash_helper): Delete.
9522 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
9523 cpp_forall_identifiers): New. Implement specialized version of
9524 Vlad's expandable hash table.
9525 (cpp_lookup): Use new functions.
9526 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
9528 * cppmacro.c: New file.
9529 * cppinit.c (dump_macros_helper): New.
9530 (cpp_finish): Iterate over the identifier table directly.
9531 * cpplex.c (parse_name): Calculate the hash of the identifier
9532 while we scan it. Use _cpp_lookup_with_hash when we can.
9534 * cpphash.h: Update prototypes.
9535 (xcnewvec, HASHSTEP): New helper macros.
9536 * cpplib.h: Update prototypes.
9537 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
9538 (cppmacro.o): New rule.
9539 (cpphash.o): Update deps.
9541 * cppmain.c: Do not set pfile->printer if no_output is on.
9543 2000-07-15 Neil Booth <neilb@earthling.net>
9545 * cpplib.c: Change all directive-handler functions to return
9547 * cpphash.h: Update typedefs.
9549 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9551 * configure: Regenerate.
9553 * extend.texi (Extended Asm): Mention that a memory clobber
9554 does not count as a side-effect.
9556 * unroll.c (copy_loop_body): Fix one instance of using host
9557 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
9560 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
9562 2000-07-17 Richard Henderson <rth@cygnus.com>
9564 * config/ia64/ia64.md (movdi): Split out load address code.
9565 New post-reload splitter for symbolic operands.
9566 (movdi_internal): Abort if we didn't split symbolic operands
9567 when we should have.
9568 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
9569 (ia64_reorg): Split insns when not optimizing.
9570 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
9572 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9574 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
9575 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
9577 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9579 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
9581 2000-07-17 Jason Merrill <jason@redhat.com>
9583 * Makefile.in (clean): Remove libgcc directory.
9585 * configure.in (-Wno-long-long check): Use higher-level macros.
9587 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9589 * simplify-rtx.c (simplify_binary_operation): Recognize
9590 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9591 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9592 a CONST_INT, it will always be zero.
9594 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9596 * loop.c (check_dbra_loop) : Return if more than one condition is
9597 present to control the loop.
9599 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9601 * mips.c (mips_expand_prologue): Don't calculate the last argument
9602 register unless we need it. When we are calculating this, make
9603 sure FUNCTION_ARG is giving us a REG.
9605 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9607 * flow.c (libcall_dead_p): Use single_set to verify the insn
9608 has only one set and get for analysis.
9609 (propagate_one_insn): Don't pass the PATTERN of the insn.
9611 2000-07-17 Mark Klein <mklein@dis.com>
9613 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9615 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9617 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9618 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9619 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9620 of second argument of getgroups.
9621 * configure, config.in: Rebuilt.
9623 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9625 * simplify-rtx.c (simplify_relational_operation): Two signed
9626 values with equal high words are less/greater than each other if
9627 their low words are less/greater when considered as unsigned.
9629 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9631 * configure.in (vax-*-openbsd): Change to new style configuration,
9632 add collect2/float_format information.
9633 * configure: Rebuilt.
9634 * config/vax/openbsd1.h: New.
9635 * config/vax/openbsd.h: New.
9636 * config/vax/t-openbsd: New.
9638 2000-07-17 Chip Salzenberg <chip@valinux.com>
9640 * c-common.c (shorten_compare): Quiet warnings about unsigned
9641 comparisons with zero when they occur in a system header.
9643 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9645 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9646 update to describe current practice.
9648 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9650 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9651 references to C9X. Change references to -fstd and -flang-isoc9x
9654 * c-common.c (scan_char_table): Allow "z" length modifiers on
9656 (check_format_info): Use TYPE_DOMAIN on the type matched against
9657 for "z" formats, to retrieve the language size_t rather than the
9660 * c-common.c (check_format_info): Do not make a pedantic objection
9661 to the 'L' length modifier if used with a floating point type
9664 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9665 constants in C99 mode.
9667 2000-07-17 Kazu Hirata <kazu@hxi.com>
9669 * h8300.md: Fix the format of mac.
9670 (movsi_h8300hs): Output a tab after stmac instead of a space.
9672 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9673 profitable adds/subs sequences.
9675 * fold-const.c: Fix comment typos.
9677 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9679 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9681 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9683 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9685 2000-07-16 Neil Booth <NeilB@earthling.net>
9687 * cpplex.c: Update comments.
9688 * README.Portability: Small update.
9690 2000-07-16 Neil Booth <NeilB@earthling.net>
9692 * README.Portability: Small update.
9694 2000-07-15 Richard Henderson <rth@cygnus.com>
9696 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9697 * config/ia64/ia64.c (ia64_move_ok): New function.
9698 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9699 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9701 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9703 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9704 immediately following a paste operator.
9705 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9706 (cpp_reader_init): Call it, if HOST_EBCDIC.
9707 (cpp_handle_options): Do not sort option list here.
9708 (handle_option): Rename to cpp_handle_option and export.
9709 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9710 _cpp_get_token directly.
9711 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9712 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9713 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9716 2000-07-15 Richard Henderson <rth@cygnus.com>
9718 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9719 cast around an expression. Tidy other unsigned tests.
9721 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9723 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9724 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9725 (v_message_with_decl): Rename to ...
9726 (format_with_decl): ... this. Tweak
9727 (diagnostic_for_decl): New function.
9728 (fatal_io_error): Use verbatim in lieu of notice.
9729 (announce_function): Use verbatim.
9730 (default_print_error_function): Likewise.
9731 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9734 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9736 * mips.c (function_arg_pass_by_reference): Don't do automatic
9737 aggregate initialization.
9738 (machine_dependent_reorg): Initialize variable `mode'.
9740 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9741 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9742 conflicts with sys/param.h macro of the same name.
9743 (reload_outdi): Likewise.
9745 2000-07-15 Michael Meissner <meissner@redhat.com>
9747 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9748 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9749 create a new node instead.
9751 2000-07-15 Neil Booth <NeilB@earthling.net>
9753 * README.Portability: Correct example about calling a function
9754 through a pointer to function. Format wide paragraphs.
9756 2000-07-15 Michael Meissner <meissner@redhat.com>
9758 * README.Portability: Update integer suffixes and function
9761 2000-07-15 Neil Booth <NeilB@earthling.net>
9763 * README.Portability: Small update.
9765 2000-07-15 Neil Booth <NeilB@earthling.net>
9767 * README.Portability: New file.
9769 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9771 * INSTALL: Give special instructions for building GCC on Irix 6.
9772 * config/mips/x-iris6 (CC): Don't set it.
9775 2000-07-14 Jason Merrill <jason@redhat.com>
9777 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9778 register in the stack and later in another register, use the new
9781 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9783 * config/mips/mips.md: (absdi2): Handle sign_extend for
9786 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9788 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9790 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9792 * .cvsignore: Correct typo.
9794 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9796 * .cvsignore: Add generated YACC files.
9797 * objc/.cvsignore: New file.
9799 2000-07-14 Neil Booth <NeilB@earthling.net>
9801 * cpplex.c (adjust_column): New funcion.
9802 (skip_whitespace): Use it.
9803 (skip_block_comment): Use it, and warn about /*/* with
9806 2000-07-14 Neil Booth <NeilB@earthling.net>
9808 * cpphash.c (struct macro_info): Add new members.
9809 (_cpp_free_definition): Delete the macro directly.
9810 (count_params): Return void, with first token of
9811 expansion in struct macro_info on success.
9812 (parse_define): Return int. Hoist syntax checking from
9813 save_macro_expansion. Leave call to save_expansion to
9814 _cpp_create_definition.
9815 (alloc_macro): Needs just 2 arguments.
9816 (free_macro): Delete.
9817 (save_expansion): Don't perform syntax check.
9818 (_cpp_create_definition): Call save_expansion.
9820 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9822 * genrecog.c (write_header): Split long string.
9824 * cpphash.c (macro_info): Don't use the `signed' keyword.
9826 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9828 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9830 * calls.c (stored_args_map): New variable.
9831 (check_sibcall_argument_overlap_1): New.
9832 (check_sibcall_argument_overlap): New.
9833 (expand_call): Initialize stored_args_map.
9834 Call check_sibcall_argument_overlap.
9836 2000-07-13 Bruce Korb <bkorb@gnu.org>
9838 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9839 (emit_gnu_type): utility procedure for gnu_type_fix
9840 (gnu_type_fix): implement various pre-processor guards around
9841 standard types so these types can be defined over and over
9842 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9843 types alluded to above will have GNU-compliant base types
9844 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9845 * fixinc/inclhack.def: add test_text entries and utilize the new
9846 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9847 * fixinc/fixincl.x: regenerate
9849 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9851 * diagnostic.c (vline_wrapper_message_with_location,
9852 v_message_with_file_and_line, v_error_with_file_and_file,
9853 v_error_for_asm, v_warning_for_asm, vfatal,
9854 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9855 vsorry, verror, vwarning, vpedwarn): Remove.
9856 (diagnostic_for_asm): New function.
9857 (pedwarn, error, warning, pedwarn_with_file_and_line,
9858 error_with_file_and_line, warning_with_file_and_line, sorry,
9859 error_for_asm, warning_for_asm, fatal): Reimplement.
9860 (finish_diagnostic): Clear diagnostic info as well.
9862 2000-07-13 Neil Booth <NeilB@earthling.net>
9864 * c-common.h (flag_digraphs): New.
9865 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9866 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9869 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9871 * gcc.c (do_spec_1): Add new %B operator.
9872 (set_input): Prepare for %B.
9874 (link_command_spec): Move up with the other tm.h-
9875 overrideable specs. Factor out the portion conditional on
9876 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9877 (struct compiler): Just have a single spec string. All users
9879 (default_compilers): Remove unnecessary braces.
9880 (static_specs): Update.
9882 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9884 (C and assembly specs): Use the new named specs, as appropriate.
9886 * objc/lang-specs.h: Use the new named specs.
9887 Remove unnecessary braces.
9889 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9891 * gcc.c (execute): If a subprocess gets a fatal signal, report
9892 strsignal() of the signal number, and ask for a bug report.
9893 Do not do this for SIGPIPE if there's already been an error.
9895 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9898 * tradcif.c: Remove.
9900 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9902 * final.c (profile_function): Do not emit profile counters in
9903 the data section, if NO_PROFILE_COUNTERS is defined.
9904 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9907 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9908 (FUNCTION_PROFILER): Just emit a call to mcount.
9910 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9912 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9914 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9915 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9916 traditional, lang_chill, or lang_fortran.
9918 * cppfiles.c: #undef strcmp to suppress warning about macros
9919 used without arguments.
9920 (_cpp_execute_include): Use f, not fname, in "No include path"
9922 (_cpp_pop_file_buffer): New function.
9923 * cpplib.c: Don't include <sys/mman.h>.
9924 (cpp_push_buffer): Set line_base and lineno in new buffer.
9925 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9927 * cpplex.c: Move all prototypes and structure declarations to the
9928 top of the file. Properly parenthesise some macro arguments.
9929 (cpp_scan_line): New function.
9930 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9931 don't need to walk up the stack counting.
9933 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9935 * c-common.c (combine_strings): Emit a pedantic warning when a
9936 string length is greater than the minimum ANSI C is required
9939 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9941 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9942 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9944 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9946 * c-decl.c (define_label): Warn about identifier conflicts with
9947 labels in traditional C.
9949 * c-parse.in (unop +): Warn about the unary plus operator for
9952 * c-typeck.c (store_init_value): Warn about automatic aggregate
9953 initialization for traditional C.
9955 * invoke.texi (-Wtraditional): Document new warnings.
9957 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9959 * Makefile.in (c-errors.o): Fix thinko in dependency.
9961 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9963 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9964 -traditional, -ftraditional, or -traditional-cpp was given.
9965 Do not pass -traditional to the preprocessor.
9966 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9967 preprocessor does it automatically.
9968 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9970 * ch/lang-specs.h: Always use tradcpp. Do not pass
9971 -traditional, -trigraphs, or -pedantic to the preprocessor.
9972 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9975 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9977 * cppexp.c (LOGICAL): Delete macro.
9978 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
9981 * cpphash.c (HASHSIZE): Increase to 4096.
9982 (struct hashdummy): Add hash field.
9983 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
9984 the string values using memcmp.
9985 (cpp_lookup): Set dummy.hash.
9987 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
9989 * configure.in (m88k-openbsd): Express configuration using new fragment
9991 * configure: Rebuilt.
9992 * m88k/aout-dbx.h: New.
9993 * m88k/openbsd.h: New.
9994 * m88k/xm-openbsd.h: New.
9996 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9998 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
10000 2000-07-12 Richard Henderson <rth@cygnus.com>
10002 * reload.c (push_secondary_reload): Make sure to add the new
10003 reload at the end, after acquiring secondary memory.
10005 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10007 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
10009 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
10010 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
10012 * c-parse.in (stmt): Delete unused variables.
10014 * convert.c (convert_to_vector): Likewise.
10016 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
10018 * tree.c (finish_vector_type): Prototype.
10020 2000-07-12 Bruce Korb <bkorb@gnu.org>
10022 * fixinc/fixfixes.c: use xmalloc
10023 * fixinc/fixincl.c(initialize): set program name for xmalloc
10024 * fixinc/fixlib.c(must_malloc): obsolete
10025 (is_cxx_header): no longer used - disabled
10026 (skip_quote): inserted and disabled for future use
10027 * fixinc/fixlib.h: reflects above
10028 * fixinc/fixtests.c: removed dinkleberries
10030 2000-07-12 Neil Booth <NeilB@earthling.net>
10032 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
10033 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
10035 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
10036 struct toklist_dummy): New.
10037 (cpp_free_definition): Free macros with free_macro.
10038 (count_params): Don't save paramter spellings. Save macro
10039 information in a struct macro_info.
10040 (parse_define): Don't allocate a token list.
10041 (save_expansion): Allocate the macro's token list, and
10042 save parameter spellings if necessary. Use TOKEN_SPELL.
10043 (cpp_create_definition): Make list const.
10045 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10047 * c-typeck.c (pedwarn_c99): Move to
10048 * c-errors.c: ... Here.
10049 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
10050 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
10051 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
10052 (c-errors.o): List dependency.
10054 2000-07-12 Mark Mitchell <mark@codesourcery.com>
10056 * c-parse.c: Remove.
10057 * c-parse.h: Likewise.
10058 * c-parse.y: Likewise.
10059 * objc/objc-parse.c: Likewise.
10060 * objc/objc-pasre.y: Likewise.
10062 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
10064 * gcc.texi: Fix minor typos
10065 * extend.texi: Fix minor typos
10067 2000-07-11 Marc Espie <espie@openbsd.org>
10069 * collect2.c (main): Recognize .lo as object files.
10071 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10073 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
10076 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
10077 with MAP_ANONYMOUS and MAP_ANON.
10078 * configure, config.in: Rebuilt.
10080 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10082 * diagnostic.c (save_output_state): Remove.
10083 (restore_output_state): Likewise.
10084 (clear_text_info): New function.
10085 (clear_diagnostic_info): Likewise.
10086 (output_text_length, is_starting_newline, output_prefix,
10087 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
10088 prefixing_policy, output_buffer_ptr_to_format_args): New macros
10089 (set_real_maximum_length, output_set_maximum_length,
10090 output_set_prefix, output_get_prefix, output_set_maximum_length,
10091 output_destroy_prefix, init_output_buffer,
10092 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
10093 output_add_newline, output_add_character, output_add_space,
10094 output_append_r, output_append, wrap_text, output_format,
10095 output_do_printf, output_printf, output_do_verbatim,
10096 output_verbatim, verbatim): Use them.
10097 (output_clear): Split into cleat_text_info and
10098 clear_diagnostic_info.
10099 (struct output_state): Move to...
10101 * diagnostic.h: ...Here
10102 (struct output_buffer): Adjust.
10104 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
10106 * cpplex.c (parse_name): No longer inline (premature optimization).
10107 (do_pop_context): Fold into pop_context.
10108 (pop_context): Returns int.
10109 (lex_next): Hoist test for end of directive into pop_context.
10110 (push_macro_context): Returns int; takes just reader and token.
10111 Hoist test for excessive nesting to caller.
10112 (push_arg_context): Returns void; takes just reader and token.
10113 Do not call stringify_arg or get_raw_token.
10114 (get_raw_token): Convert tail recursion through push_arg_context
10115 to a loop at this level. Call stringify_arg here if appropriate.
10116 (maybe_paste_with_next): Convert tail recursion to a while loop.
10117 Hoist test of paste_level to caller.
10119 (stringify_arg): Push arg context at beginning.
10120 (cpp_get_token): Split out core into _cpp_get_token. Call
10121 process_directive here. Throw away CPP_PLACEMARKER tokens.
10122 (_cpp_get_token): Convert tail recursion through
10123 push_macro_context to a loop at this level.
10124 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
10125 _cpp_get_raw_token): Use _cpp_get_token.
10126 (_cpp_skip_rest_of_line): Drop the context stack directly; do
10127 not call pop_context.
10128 (_cpp_run_directive): Call lex_next directly.
10130 * cpphash.h: Prototype _cpp_get_token.
10131 * cppexp.c (lex): Use it.
10132 * cpphash.c (parse_define): Use it.
10133 * cpplib.c (get_define_node, do_undef, parse_include,
10134 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
10135 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
10136 parse_ifdef, validate_else): Use it.
10137 (cpp_push_buffer): Tweak error message; abort if anyone tries
10138 to push a buffer while macro expansions are stacked.
10140 2000-07-11 Donn Terry <donnte@microsoft.com>
10142 * cpplex.c (free_macro_args, save_token): Cast arg of free
10143 and/or xrealloc to PTR.
10144 (_cpp_init_input_buffer): Clear all fields of the base context.
10146 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
10148 * gensupport.c (process_rtx): Make rtl checking stop
10149 complaining about the define_insn while it is being
10150 converted from a define_insn_and_split.
10152 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
10154 * config/mips/mips.c (simple_memory_operand): Access the
10155 INTVAL of the address, not it's containing MEM.
10157 2000-07-11 Bruce Korb <bkorb@gnu.org>
10159 * fixinc/fixtests.c(double_slash): obsolete
10160 (else_endif_label): likewise
10161 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
10162 (libc1_ifdefd_memx): correct initial comment
10163 and omit the #if/#endif pair from the memxxx declarations
10164 * fixinc/fixincl.x: regen
10166 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10168 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
10170 2000-07-11 Neil Booth <NeilB@earthling.net>
10172 * cpp.texi: Update.
10174 2000-07-11 Neil Booth <NeilB@earthling.net>
10176 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
10177 (handle_option): Set digraphs according to standard.
10178 Merge OPT_lang_c89 handler with OPT_std_c89.
10180 * cpplex.c: (lex_line, can_paste): Honour digraphs in
10181 accordance with the digraphs flag.
10183 * cpplib.h: (struct cpp_options): New option digraphs.
10185 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
10186 Bruce Korb <bkorb@gnu.org>
10188 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
10189 * fixinc/fixincl.x: Regenerate.
10190 * fixinc/tests/base/testing.h: Add testcase.
10192 2000-07-10 Richard Henderson <rth@cygnus.com>
10194 * config/ia64/ia64.c (got_symbolic_operand): New.
10195 (symbolic_operand, move_operand): Revert 0701 change.
10196 * config/ia64/ia64.h (PREDICATE_CODES): Update.
10197 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
10198 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
10199 split the offset into a 14-bit low part instead of a 13-bit low part.
10200 (load_fptr): Mark the mem as unchanging.
10201 (load_symptr): Use got_symbolic_operand.
10203 2000-07-10 Nick Clifton <nickc@cygnus.com>
10205 * libgcc2.c (next_stack_level): Cast result of computation to
10206 (void **) so that the assignment does not generate a warning.
10208 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
10210 * flags.h : Add new variable flag_single_precision_constant.
10211 * toplev.c (display_help) : Add -fsingle-precision-constant option.
10212 (flag_single_precision_constant): New.
10213 * c-lex.c (yylex): Convert floating point constant to single
10214 precision constant.
10215 * invoke.texi : Add documentation for this new option.
10217 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10219 * diagnostic.c (output_octal): Second parameter is unsigned.
10220 (output_long_octal): Likewise.
10221 (output_hexadecimal): Likewise.
10222 (output_long_hexadecimal): Likewise.
10223 (output_format): Adjust arguments extraction. Tweak.
10224 (output_verbatim, verbatim): End variable argument list.
10225 (report_diagnostic): Improve documentation.
10227 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
10229 * c-common.h (build_stmt): Declare.
10230 (build_continue_stmt): Likewise.
10231 (build_break_stmt): Likewise.
10232 (build_return_stmt): Likewise.
10234 * c-decl.c (do_case): Rewrite to do what previously done in
10237 * c-semantics.c (build_stmt): Define.
10238 (build_return_stmt): Likewise.
10239 (build_break_stmt): Likewise.
10240 (build_continue_stmt): Likewise.
10241 (build_case_label): Likewise.
10243 * c-parse.in (BREAK): Change to build tree, then generate RTL.
10244 (CONTINUE): Likewise.
10245 (RETURN): Likewise.
10247 (DEFAULT): Likewise.
10249 * c-parse.y: Regenerate.
10250 * c-pasre.c: Likewise.
10252 2000-07-09 Jason Merrill <jason@redhat.com>
10254 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
10256 * tree.h (STRIP_NOPS): Check for error_mark_node.
10257 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
10258 (dwarf2out_*): Remove duplicate declarations.
10260 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
10261 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
10263 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10265 * diagnostic.c (wrap_text): New function.
10266 (maybe_wrap_text): Likewise.
10267 (output_add_string): Use it.
10268 (output_format): Likewise.
10269 (count_error): Use verbatim instead of notice.
10270 (report_error_function): Likewise. Don't use plain fprintf.
10271 (finish_diagnostic): New function.
10272 (output_do_verbatim): Tweak. Commonalize functionalities in
10273 output_verbatim and verbatim.
10274 (output_verbatim): Adjust.
10275 (verbatim): Likewise.
10276 (report_diagnostic): Define.
10278 * diagnostic.h (report_diagnostic): Prototype.
10280 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
10282 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
10284 2000-07-09 Neil Booth <NeilB@earthling.net>
10286 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
10287 IShspace, ISspace: Update.
10289 * cppinit.c: ISTABLE: Update.
10292 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
10293 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
10294 (skip_block_comment, skip_line_comment, parse_string,
10295 lex_line): Use is_vspace rather than IS_NEWLINE.
10296 (skip_whitespace, lex_line): Clean up to use is_nvspace.
10297 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
10299 (lex_next): Unconditionally stop if within a directive.
10300 Treat directives within macro invocations as directives
10301 (after parse_args emits error), not as the argument.
10303 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
10305 * diagnostic.c (diagnostic_args): New macro.
10306 (diagnostic_msg): Likewise.
10307 (output_formatted_integer): Likewise.
10308 (output_state): New data type.
10309 (digit_buffer): Make global.
10310 (output_add_integer): Rename to output_decimal. Squeeze
10312 (output_long_decimal, output_unsigned_decimal,
10313 output_long_unsigned_decimal, output_octal, output_long_octal,
10314 output_hexadecimal, output_long_hexadecimal): New functions.
10315 (output_append_r): New function.
10316 (output_append): Tweak.
10317 (output_flush_on): Rename to output_to_stream.
10318 (output_format): Change prototype. Improve documentation. Handle
10319 more format specifiers.
10320 (build_location_prefix): Rename to context_as_prefix.
10321 (output_notice): Rename to output_do_printf.
10322 (output_printf): Tweak.
10323 (line_wrapper_printf): Likewise.
10324 (vline_wrapper_message_with_location): Adjust call to renamed
10326 (v_message_with_decl): Likewise.
10327 (default_print_error_function): Likewise.
10328 (save_output_state): New function.
10329 (restore_output_state): Likewise.
10330 (output_do_verbatim): Likewise.
10331 (output_verbatim): Define.
10332 (verbatim): Likewise.
10334 * diagnostic.h (printer_fn): Change return type from void to int.
10335 Improve documentation.
10336 (output_add_integer): Rename to output_decimal.
10337 (output_flush_on, output_format): Don't export.
10338 (output_verbatim, verbatim): Declare.
10340 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
10342 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
10343 Check whether c divides op1 exactly if operation is not
10346 2000-07-08 Richard Henderson <rth@cygnus.com>
10348 * final.c (final): Do not abort when reg-stack introduces
10351 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
10353 * cpplib.h (struct cpp_name): Now struct cpp_string.
10354 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
10355 CPP_HEADER_NAME): Change to type S.
10356 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
10357 field, a cpp_hashnode *. All references to val.name updated
10358 to use val.str or val.node as appropriate.
10359 (struct cpp_reader): Add spec_nodes field.
10360 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
10362 * cpphash.h (struct spec_nodes): New.
10363 (enum spell_type): Reorder. Only SPELL_STRING tokens use
10364 val.str. All references to 'spelling > SPELL_NONE' updated to
10367 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
10368 pfile->buffer->inc are not NULL before dereferencing them.
10370 * cpplex.c (parse_name): Take a pointer to the current token,
10371 plus current position and limit as args; return the new
10372 position; don't copy the text of a name into the string
10373 buffer, instead call cpp_lookup and store the node pointer.
10374 If extending a token, copy out the text of the old into a
10375 scratch buffer, append the new, look that up and store the new
10376 node pointer. Inline.
10377 (maybe_paste_with_next): If the result of paste is a NAME,
10378 then look up the pasted text and store its node pointer.
10379 (lex_line): Adjust for new parse_name interface.
10380 Check for L"str", L'str' using spec_nodes->n_L.
10381 (spell_token): SPELL_IDENT tokens have their spelling in
10382 val.node->name. Handle SPELL_STRING tokens that don't have
10384 (_cpp_expand_name_space,
10385 (can_paste): Check for L ## "str" using spec_nodes->n_L.
10386 (cpp_get_token, special_symbol): No need to call cpp_lookup.
10387 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
10388 return 1=equal 0=not, not a tristate.
10390 * cpphash.c (var_args_str): Delete.
10391 (find_param): Compare node fields directly.
10392 (is__va_args__): Use CPP_PEDANTIC. Just compare
10393 token->val.node with spec_nodes->n__VA_ARGS__.
10394 (dump_funlike_macro): Don't use var_args_str.
10396 * cpplib.c (_cpp_check_directive): Just walk through
10397 spec_nodes->dirs comparing pointers.
10398 (get_define_node, do_pragma_poison, detect_if_not_defined,
10399 parse_ifdef): The identifier has already been looked up.
10400 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
10402 (do_if): Only call detect_if_not_defined at beginning of file.
10403 (_cpp_parse_assertion): Only copy string pointers for
10404 SPELL_STRING tokens.
10405 (pragma_dispatch): Take a node pointer and examine its name
10407 (_cpp_init_stacks): Also initialize the spec_nodes structure.
10409 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
10411 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
10412 reverse order from the corresponding _cpp_init_* routines.
10414 * cppexp.c (parse_number, parse_charconst, parse_defined,
10415 lex): Check val.node->type instead of calling cpp_defined.
10416 Use spec_nodes entries where appropriate.
10418 * fix-header.c, scan-decls.c: Update for interface changes.
10420 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
10422 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
10423 emitting aux_truncdfsf2.
10425 2000-07-03 Donn Terry (donnte@microsoft.com)
10427 * cppinit.c (print_help): split overlong line into ISO C89
10430 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10432 * cppexp.c: Update all code for new lexer interface.
10433 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
10434 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
10435 * cpplex.c (token_names): Trim leading CPP_ from names; make
10436 the strings unsigned.
10437 (_cpp_spell_operator): New.
10438 (is_macro_disabled): Disable all macros if rescanning
10440 (_cpp_get_directive_token): Remove.
10442 * cppinit.c: Don't set no_macro_expand.
10443 * cpplib.c (read_line_number, do_line): Check only for EOF,
10445 * cpphash.h: Update prototypes.
10446 * cpplib.h (CPP_VSPACE): Remove.
10447 (struct cpp_reader): Remove no_macro_expand.
10449 2000-07-08 Neil Booth <NeilB@earthling.net>
10451 * cpphash.c (is__va_args__): New function.
10452 (count_params): Fix line reported in error messages. Use
10453 is__va_args__. Don't return ')' on error. Flag GNU style
10454 rest args macro definitions.
10455 (parse_define): Check macro name is not __VA_ARGS__.
10456 (save_expansion): Check identifier in non-varargs-macro is
10457 not __VA_ARGS__. Don't flag GNU_VARARGS.
10458 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
10459 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
10460 than per-token GNU_VARARGS.
10461 * cpplib.h (GNU_VARARGS): Remove.
10462 (GNU_REST_ARGS): New.
10464 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10466 * i386.md (call_pop, call, call_value_pop): Do not set
10467 current_function_uses_pic_offset_table for calls to static
10468 functions or indirect calls.
10470 2000-07-07 Jim Wilson <wilson@cygnus.com>
10472 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
10473 is_predicate_reg, then take max write_count of register pair.
10475 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10477 * tradcpp.c (main): Rename label `include' to `add_include' to
10478 avoid conflicts with variable `include' in traditional C.
10480 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10482 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
10484 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10486 * sibcall.c (uses_addressof): Add INMEM argument, check for
10487 current_function_internal_arg_pointer outside of MEM rtxs in addition
10489 (sequence_uses_addressof): Update caller.
10491 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10493 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
10496 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10498 * system.h (UNION_INIT_ZERO): New macro for initializing union
10499 members in structs.
10501 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
10503 2000-07-07 Neil Booth <NeilB@earthling.net>
10505 * cpp.texi: Update.
10507 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
10509 * final.c (final): Detect out of bounds array access to
10510 the insn_lengths array.
10512 2000-07-07 Kazu Hirata <kazu@hxi.com>
10514 * fold-const.c (fold): Fix a comment typo.
10516 2000-07-07 Neil Booth <NeilB@earthling.net>
10518 * cpp.texi: Update to new lexer.
10520 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10522 * tradcpp.c: New file.
10523 * tradcif.y: New file.
10524 * tradcif.c: New generated file.
10526 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
10527 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
10528 dependencies of C. Install tradcpp from install-common, in
10531 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10533 * cppinit.c: Include cppdefault.h. Refer to
10534 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
10535 to GCC_INCLUDE_DIR and its length.
10536 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
10537 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
10538 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
10540 (include_defaults_array): Move to cppdefault.c.
10542 * cppdefault.h: New file.
10543 * cppdefault.c: New file.
10545 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
10546 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
10547 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
10550 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10552 * reload.c (push_reload): When seeing if can reuse a register,
10553 check extra registers against widest of INMODE and OUTMODE.
10555 2000-07-06 Neil Booth <NeilB@earthling.net>
10557 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
10558 based on full length of predicate.
10560 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
10562 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
10563 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
10565 2000-07-05 Kazu Hirata <kazu@hxi.com>
10567 * h8300-proto.h: Fix formatting.
10568 * h8300.c: Likewise.
10569 * h8300.h: Likewise.
10571 2000-07-05 Jim Wilson <wilson@cygnus.com>
10573 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
10576 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
10578 * invoke.texi: Fix minor typos
10579 * md.texi: Fix minor typos
10581 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
10583 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
10585 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10587 * cpplex.c: Don't include sys/mman.h.
10588 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10590 * cpplib.c: Include sys/mman.h and obstack.h.
10591 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10593 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10594 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10595 bother freeing if stack entries (they will be freed with their buffer).
10596 (do_endif): Free if stack entries from the buffer obstack.
10597 (push_conditional): Allocate if stack entries from the buffer obstack.
10599 (find_answer): Rename to _cpp_find_answer.
10600 (do_assert, do_unassert): Update.
10602 * cpphash.h: Update prototypes.
10603 (xobnew): New convenience macro.
10604 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10606 (struct cpp_hashnode): Remove disabled field.
10608 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10609 (report_missing_guard): Moved to cppfiles.c.
10610 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10612 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10613 cpp_cleanup_includes. Don't destroy hashtab or
10614 all_include_files here.
10615 (cpp_finish): Use _cpp_report_missing_guards.
10617 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10618 (_cpp_init_include_table): Rename _cpp_init_includes.
10619 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10621 * cppexp.c (parse_assertion): Update for new name of
10624 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10626 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10628 * cpplib.c (do_ident): s/VSPACE/EOF/
10630 2000-07-05 Neil Booth <NeilB@earthling.net>
10632 * cpplex.c: Fix trigraph replacement within strings.
10634 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10636 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10638 * xcoffout.c (assign_type_number): Constify.
10639 (xcoffout_source_file): Add static prototype. Don't needlessly
10640 cast away const-ness.
10642 2000-07-04 Jason Merrill <jason@redhat.com>
10644 * frame.h (frame_state): Move base_offset to end.
10646 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10648 * calls.c (emit_library_call_value_1): Revert previous change.
10650 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10652 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10653 (recognized_extern, recognized_function, read_scan_file):
10654 Update for new scheme.
10655 (check_protection): It's still a multiple include guard even
10656 if it doesn't always trigger.
10657 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10659 * scan.h: Declare struct cpp_token. Update prototypes.
10661 2000-07-03 Neil Booth <neilb@earthling.net>
10662 Zack Weinberg <zack@wolery.cumb.org>
10664 Complete overhaul of the lexer and macro expander.
10666 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10667 arg, arglist, argdata, reflist, collect_objlike_expansion,
10668 collect_funlike_expansion, collect_params,
10669 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10670 unsafe_chars, macarg, compare_defs, special_symbol,
10671 scan_arguments, stringify, funlike_macroexpand,
10672 _cpp_quote_string, monthnames): Delete.
10673 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10674 _cpp_create_definition, _cpp_dump_definition,
10675 dump_hash_helper): Adjust.
10676 (find_param, count_params, parse_define, var_args_str,
10677 check_macro_redefinition, save_expansion): New.
10679 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10680 parse_string, output_line_command, trigraph_replace,
10681 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10682 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10683 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10684 _cpp_skip_rest_of_line): Modify.
10686 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10687 find_position, null_warning, bump_column, expand_name_space,
10688 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10689 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10690 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10691 _cpp_prescan): Delete.
10693 (dump_param_spelling, process_directive, lex_next,
10694 is_macro_disabled, stringify_arg, expand_context_stack,
10695 output_token, make_string_token, alloc_number_token,
10696 special_symbol, duplicate_token, maybe_paste_with_next,
10697 can_paste, prevent_macro_expansion, restore_macro_expansion,
10698 get_temp_token, release_temp_tokens, quote_string,
10699 token_names, token_spellings, _cpp_expand_name_space,
10700 _cpp_glue_header_name, _cpp_reserve_name_space,
10701 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10702 placemarker_token, eof_token, cpp_context, macro_args,
10703 get_raw_token, parse_arg, parse_args, save_token,
10704 push_arg_context, push_macro_context, pop_context,
10705 do_pop_context, free_macro_args, _cpp_get_line,
10706 _cpp_run_directive): New.
10708 * cpplib.c (validate_else, parse_include, push_conditional,
10709 pass_thru_directive, read_line_number, parse_ifdef,
10710 detect_if_not_defined, _cpp_check_directive, do_define,
10711 do_undef, do_include, do_import, do_include_next, do_error,
10712 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10713 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10714 do_pragma_poison, do_pragma_system_header,
10715 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10716 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10717 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10718 cpp_defined): Update for new scheme.
10719 (strtoul_for_line, get_define_node, dump_macro_name,
10720 _cpp_check_linemarker, _cpp_parse_assertion): New.
10721 (_cpp_handle_directive, do_pragma_default): Delete.
10723 * cpphash.h (struct predicate): Now struct answer.
10724 (enum spell_type, struct token_spelling, struct directive,
10725 directive_handler): New.
10726 Update prototypes. Remove unused macros.
10727 * cpplib.h: Update prototypes. Remove unused macros,
10728 structure definitions, and fields.
10730 * cpperror.c (print_containing_files, v_message): Adjust.
10731 * cppexp.c (parse_assertion, lex, parse_escape,
10732 _cpp_parse_expr): Adjust.
10733 * cppfiles.c (open_include_file, _cpp_execute_include,
10734 _cpp_compare_file_date, cpp_read_file, read_include_file):
10736 * cppinit.c (dump_special_to_buffer): Delete.
10737 (append_include_chain, merge_include_chains, cpp_reader_init,
10738 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10739 cpp_finish, handle_option, print_help): Adjust.
10740 * cppmain.c (main): Adjust.
10742 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10744 * cppspec.c (lang_specific_driver): Use double quotes in error
10747 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10749 * calls.c (emit_library_call_value_1): Use valreg instead
10750 of hard_libcall_value.
10752 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10754 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10755 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10756 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10764 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10765 mode instead of wider_mode is being used.
10767 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10769 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10770 of 'r'. Use q_regs_operand.
10771 (andsi_1+2): Use q_regs_operand.
10773 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10775 * builtins.c (get_memory_rtx): Always put into alias set 0.
10777 2000-07-03 Nick Clifton <nickc@cygnus.com>
10779 * config/arm/arm.md: Fix post increment and pre increment
10780 peepholes so that they do not generate UNPREDICATBLE opcodes.
10781 (ie ones where the increment clobbers the source/destination).
10783 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10785 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10786 change too big for -mtiny-stack" a warning, if larger than 63.
10787 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10788 always safe to use on possible future devices.
10789 (function_prologue): Write SPH before SPL, for consistency.
10790 If interrupt_func_p true, we know we have enabled interrupts.
10791 (avr_num_arg_regs): New function. Round up to even number of
10792 bytes if no -mpack-args or if calling a libgcc function.
10793 (function_arg, function_arg_advance): Use it.
10794 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10795 Output "movw" if available.
10796 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10797 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10798 (asm_output_section_name): Add blanks for consistent output.
10799 (encode_section_info): Set TREE_READONLY for progmem data to
10800 avoid gas warnings about changed section attributes.
10801 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10802 even numbered registers on devices with "movw".
10803 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10804 (TARGET_SWITCHES): Mark help strings for translation.
10805 Add new -mpack-args and -menhanced switches.
10806 (TARGET_OPTIONS): Mark help strings for translation.
10807 (progmem_section): Add section attributes.
10808 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10809 Output "movw" if available.
10810 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10812 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10813 call convention (arguments aligned on even registers).
10814 (_cleanup, _exit): Make weak symbols libc can override.
10816 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10818 * fp-bit.h: New file.
10820 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10821 Comment #endif statements.
10822 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10824 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10826 * gcse.c (compute_pre_data): Compute ae_kill using other local
10827 properties instead of calling compute_ae_kill.
10829 * alias.c (init_alias_analysis): Do not call
10830 prologue_epilogue_contains until after reload has completed.
10832 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10834 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10835 (genrtl_finish_compound_stmt): Likewise.
10836 (genrtl_compound_stmt): Change to return void.
10838 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10839 move code from here to ...
10840 (genrtl_compound_stmt): ... here.
10841 (genrtl_finish_compound_stmt): Remove.
10842 (expand_stmt): Add comment.
10844 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10846 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10849 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10851 * cpplib.h (struct cpp_reader): New field include_depth.
10852 (struct cpp_printer): Rename last_bsd to last_id.
10853 * cppfiles.c (read_include_file): Bump include_depth.
10854 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10855 (output_line_command): Output correct #line if a header
10856 is including itself and is not protected against multiple inclusion.
10857 Use include_depth instead of buffer_stack_depth, last_id instead of
10859 * cppinit.c (cpp_start_read): Initialize last_id instead of
10862 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10864 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10865 (c-semantics.o): New target.
10867 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10868 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10869 (genrtl_clear_out_block): Likewise.
10870 (genrtl_goto_stmt): Likewise.
10871 (genrtl_expr_stmt): Likewise.
10872 (genrtl_decl_stmt): Likewise.
10873 (genrtl_if_stmt): Likewise.
10874 (genrtl_while_stmt): Likewise.
10875 (genrtl_do_stmt): Likewise.
10876 (genrtl_return_stmt): Likewise.
10877 (genrtl_for_stmt): Likewise.
10878 (genrtl_break_stmt): Likewise.
10879 (genrtl_continue_stmt): Likewise.
10880 (genrtl_scope_stmt): Likewise.
10881 (genrtl_switch_stmt): Likewise.
10882 (genrtl_case_label): Likewise.
10883 (genrtl_begin_compound_stmt): Likewise.
10884 (gerntl_finish_compound_stmt): Likewise.
10885 (genrtl_compound_stmt): Likewise.
10886 (genrtl_asm_stmt): Likewise.
10887 (genrtl_decl_cleanup): Likewise.
10888 (DECL_ANON_UNION_ELEMS): Likewise.
10889 (emit_local_var): Likewise.
10890 (make_rtl_for_local_static): Likewise.
10891 (expand_cond): Likewise.
10892 (expand_stmt): Likewise.
10893 (c_expand_return): Likewise.
10894 (c_expand_start_case): Likewise.
10895 (do_case): Likewise.
10896 (COMPOUND_STMT_NO_SCOPE): Likewise.
10897 (c_expand_asm_operands): Likewise.
10898 (NEW_FOR_SCOPE_P): New macro.
10899 (expand_expr_stmt_fn): New type.
10901 (set_current_function_name_declared): Likewise.
10902 (current_function_name_declared): Likewise.
10903 (lang_expand_stmt): Likewise.
10904 (stmts_are_full_exprs_p): Likewise.
10905 (anon_aggr_type_p): Likewise.
10906 (lang_expand_expr_stmt): Likewise.
10907 (build_case_label): Likewise.
10909 * c-decl.c (lang_expand_expr_stmt): Initialize.
10910 (stmts_are_full_exprs_p): Define.
10911 (current_function_name_declared): Likewise.
10912 (do_case): Likewise.
10913 (lang_expand_stmt): Likewise.
10914 (set_current_function_name_declared): Likewise.
10915 (anon_aggr_type_p): Likewise.
10917 * c-semantics.c: New file.
10918 (expand_cond): Moved from cp/semantics.c.
10919 (genrtl_do_pushlevel): Likewise.
10920 (genrtl_clear_out_block): Likewise.
10921 (genrtl_goto_stmt): Likewise.
10922 (genrtl_expr_stmt): Likewise.
10923 (genrtl_decl_stmt): Likewise.
10924 (genrtl_if_stmt): Likewise.
10925 (genrtl_while_stmt): Likewise.
10926 (genrtl_do_stmt): Likewise.
10927 (genrtl_return_stmt): Likewise.
10928 (genrtl_for_stmt): Likewise.
10929 (genrtl_break_stmt): Likewise.
10930 (genrtl_continue_stmt): Likewise.
10931 (genrtl_scope_stmt): Likewise.
10932 (genrtl_switch_stmt): Likewise.
10933 (genrtl_case_label): Likewise.
10934 (genrtl_begin_compound_stmt): Likewise.
10935 (genrtl_finish_compound_stmt): Likewise.
10936 (genrtl_compound_stmt): Likewise.
10937 (genrtl_asm_stmt): Likewise.
10938 (genrtl_decl_cleanup): Likewise.
10939 (make_rtl_for_local_static): Moved from cp/decl.c.
10940 (emit_local_var): Likewise.
10941 (expand_stmt): Define.
10943 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10944 (c_expand_return): Likewise.
10945 (c_expand_start_case): Likewise.
10947 2000-07-01 Richard Henderson <rth@cygnus.com>
10949 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10950 with the low 13 bits set.
10951 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10952 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10953 of the low 13 bits into a CONST plus an adddi3.
10954 (load_symptr): Set RTX_UNCHANGING_P.
10956 See ChangeLog.3 for earlier changes.