1 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
3 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
4 is more than that provided, copy to a temporary.
6 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
8 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
9 interpreting $out as a macro assignment.
10 * Makefile.in (T_TARGET): New auxiliary macro and target.
11 (all): Add a target right in the beginning, so that we don't build
14 2000-11-09 Graham Stott <grahams@redhat.com>
16 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
17 order for -mintel-syntax. Remove comment now that the operand
18 order has been checked.
19 (mmx_pextrw): Likewise.
20 (mmx_pshufw): Likewise.
22 2000-11-09 Jakub Jelinek <jakub@redhat.com>
24 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
25 (c_getstr): New function.
26 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
27 If both arguments are constant string, optimize out.
28 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
29 (expand_builtin_strpbrk): Use c_getstr, do nothing if
31 (expand_builtin_fputs): Likewise.
32 (expand_builtin_strcmp): Add MODE argument.
33 Use even if !HAVE_cmpstrsi.
34 Optimize the case when both arguments are constant strings.
35 (expand_builtin): Adjust expand_builtin_strcmp caller.
36 Call expand_builtin_strchr and expand_builtin_strrchr.
37 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
39 * builtins.def (BUILT_IN_STRRCHR): Add.
41 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
43 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
45 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
47 * calls.c (expand_call, emit_library_call_value_1), collect2.c
48 (scan_prog_file), config/a29k/a29k.c (print_operand),
49 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
51 * real.h: Use memcmp () instead of bcmp ().
52 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
53 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
54 ultrasparc_sched_init, ultrasparc_sched_reorder),
55 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
57 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
59 * configure.in: Don't check for bzero, bcmp, index or rindex.
60 * configure, config.in: Regenerate.
61 * system.h: Don't include declarations for bzero, bcmp, index or
63 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
64 bzero, bcmp, index or rindex.
66 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
68 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
69 include and library paths from -mcygwin case. Parameterize some
70 declarations to avoid warnings. Use standard locations for include and
73 2000-11-08 Nick Clifton <nickc@redhat.com>
75 * config/arm/arm.md (mulsidi3adddi): Change output operand
76 constraint from "=&" to "=&".
77 (umulsidi3adddi): Change output operand constraint from "=&" to
80 2000-11-08 Richard Henderson <rth@redhat.com>
82 * flow.c (init_propagate_block_info): Protect the rtx stored in
83 mem_set_list from modification by find_auto_inc.
84 (mark_set_1): Likewise.
86 2000-11-08 Neil Booth <neilb@earthling.net>
88 Move directive handling into the lexer itself.
90 * cpplex.c (_cpp_lex_token): Handle directives directly.
91 In the case of a directive interrupting a function-like
92 macro invocation, use extra_char since read_ahead is
93 used to store the '#'. Return a CPP_EOF in this case.
94 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
95 (cpp_get_token): Don't handle directives here.
96 * cpplib.h: Remove CPP_DHASH token type.
98 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
100 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
101 formed using PRE_MODIFY too.
103 2000-11-08 Mark Mitchell <mark@codesourcery.com>
105 * c-tree.texi (VAR_DECL): Describe representation of GCC's
106 extension for placing variables in particular registers.
108 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
109 unprototyped C functions with no parameters.
111 2000-11-08 Jakub Jelinek <jakub@redhat.com>
113 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
114 before passing to fprintf.
116 2000-11-08 Jakub Jelinek <jakub@redhat.com>
118 * function.c (expand_function_start): Cast GET_MODE_SIZE to
119 HOST_WIDE_INT before negating it.
121 2000-11-08 Jakub Jelinek <jakub@redhat.com>
123 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
124 passed in multiple non-contiguous locations.
126 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
128 * README.gnat: Remove file.
130 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
132 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
135 2000-11-07 Richard Henderson <rth@redhat.com>
137 * dwarfout.c (INSN_LABEL_FMT): Remove.
138 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
139 (dwarfout_label): Remove.
140 * dwarfout.h: Remove it's prototype.
141 * dwarf2out.c (INSN_LABEL_FMT): Remove.
142 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
143 (dwarf2out_label): Remove.
144 * dwarf2out.h: Remove it's prototype.
145 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
147 2000-11-07 Richard Henderson <rth@redhat.com>
149 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
150 search on the unwind region section.
152 * config/ia64/ia64.md (movbi): Add r/r alternative.
153 (cmovdi_internal_astep): Describe all combinations of register
154 classes for sources & destinations; remove matching constraints.
155 (cmovdi_internal): Likewise.
157 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
159 2000-11-07 Richard Henderson <rth@redhat.com>
161 * c-lang.c (start_cdtor, finish_cdtor): New functions.
162 (finish_file): Use them in building constructor/destructor functions.
164 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
165 LD_FINI_SWITCH): Move ...
166 * config/alpha/osf.h: ... here.
167 * config/alpha/alpha-interix.h: Don't undef them.
169 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
171 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
172 included in libgcc.a.
174 (dp-bit.c): Likewise.
175 (fp-bit.c): Likewise.
177 2000-11-07 Nick Clifton <nickc@redhat.com>
179 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
180 (INTERNAL_ASM_OP): Add missing tab.
182 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
184 * alias.c (init_alias_analysis), calls.c (expand_call,
185 emit_library_call_value_1), combine.c (init_reg_last_arrays),
186 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
187 (init_output_buffer, set_diagnostic_context), dwarf2out.c
188 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
189 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
190 function.c (assign_parms), gcse.c (compute_can_copy,
191 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
192 compute_hash_table, compute_set_hash_table,
193 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
194 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
195 clear_units, schedule_block), integrate.c (initialize_for_inline,
196 expand_inline_function), jump.c (thread_jumps), local-alloc.c
197 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
198 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
199 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
200 record_reg_classes, allocate_reg_info), reload.c
201 (get_secondary_mem, remove_address_replacements, find_reloads),
202 reload1.c (reload, set_initial_label_offsets, finish_spills,
203 reload_as_needed, choose_reload_regs_init,
204 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
205 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
206 (rename_registers), stmt.c (expand_end_case), unroll.c
207 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
208 () instead of bzero ().
210 2000-11-07 Neil Booth <neilb@earthling.net>
212 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
214 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
216 * c-common.c (combine_strings): Only warn about long strings for C.
218 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
220 * combine.c (distribute_notes): Fix typo in last change.
222 2000-11-07 Geoff Keating <geoffk@redhat.com>
224 * config/rs6000/rs6000.md (movdi_internal32+1): Use
225 operand_subreg_force rather than gen_rtx_SUBREG.
226 (movdi_internal32+2): Likewise.
228 2000-11-07 Philip Blundell <philb@gnu.org>
230 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
231 * config/arm/linux-aout.h: Likewise.
232 * configure: Regenerate.
234 2000-11-07 Philipp Thomas <pthomas@suse.de>
236 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
237 accepted my the gettext maintainer.
239 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
241 * builtins.c (expand_builtin_strpbrk): New function.
242 (expand_builtin): Handle BUILT_IN_STRPBRK.
244 * builtins.def (BUILT_IN_STRPBRK): New entry.
246 * c-common.c (c_common_nodes_and_builtins): Declare builtin
249 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
251 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
252 * POTFILES.in: Add config/alpha/freebsd.h
253 * configure.in: Add alpha*-freebsd support.
254 * configure: Regenerate.
256 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
258 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
259 copy of ptr_type_node rather than ptr_type_node itself.
261 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
263 * combine.c (recog_for_combine): Allocate uninitialized vector with
265 * recog.c (apply_change_group): Likewise.
267 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
269 * flow.c (verify_local_live_at_start): Back out last change.
270 * combine.c (distribute_notes): When parts of a hard reg are
271 neither set nor referenced in PLACE, search backwards for a
272 place to put a REG_UNUSED note; if none found, ask for flow
275 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
277 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
278 with (clobber (match_scratch...)).
280 2000-11-06 Neil Booth <neilb@earthling.net>
282 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
285 2000-11-06 Neil Booth <neilb@earthling.net>
287 * tradcpp.c (special_symbol): Assign an null string rather
288 than writing to an unallocated buffer.
290 2000-11-06 Neil Booth <neilb@earthling.net>
292 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
295 2000-11-06 Neil Booth <neilb@earthling.net>
297 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
298 tok.val.arg_no as appropriate.
299 * cppexp.c (lex): Similarly.
300 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
301 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
302 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
303 cpp_macro_definition): Similarly.
304 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
306 2000-11-06 Jakub Jelinek <jakub@redhat.com>
308 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
309 operands[1] is constant, calculate the sum and generate movdi.
310 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
311 (subsi3): Use SImode in call to arith_4096_operand.
313 2000-11-06 Jakub Jelinek <jakub@redhat.com>
315 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
316 adjust %o1, not %o0 if the return type is large structure.
318 2000-11-06 Jakub Jelinek <jakub@redhat.com>
320 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
321 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
323 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
325 * expmed.c (expand_divmod): For signed divide by 2, prefer
326 a branch and fewer shifts if branches are very cheap.
328 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
330 * Makefile.in: Remove all targets related to building
331 distributions and diffs, or INSTALL.
332 * INSTALL, install1.texi: Remove.
333 * configure.in: Remove mention of distdir.
334 * configure: Regenerate.
335 * objc/Make-lang.in: Remove mention of distdir.
337 2000-11-04 Neil Booth <neilb@earthling.net>
339 * cpp.texi: Update for _Pragma.
341 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
343 * gcc.texi (Contributing): Update URL for projects web page.
345 2000-11-04 Neil Booth <neilb@earthling.net>
347 * cpplex.c (parse_string): Don't allow multiline strings in
348 #include family directives.
350 2000-11-04 Neil Booth <neilb@earthling.net>
352 * cpplib.c (do_line): Only warn pedantically if not reading
355 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
357 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
360 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
362 * builtins.c (expand_builtin_strlen): Remove unused mode
364 * gcc.c (process_command): Remove unused variable.
365 * fold-const.c: Include expr.h.
366 * recog.c: Include reload.h.
367 * Makefile.in (recog.o, fold-const.o): Update deps.
369 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
371 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
373 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
375 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
377 (STARTFILE_SPEC): Likewise.
378 (LINK_SPEC): Likewise.
380 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
382 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
383 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
384 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
386 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
388 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
389 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
390 perm_calloc, get_identifier, maybe_get_identifier,
391 real_value_from_int_cst, simple_cst_equal), varasm.c
392 (assemble_name, assemble_real, immed_real_const_1,
393 compare_constant_1, decode_rtx_const, output_constant_pool): Use
394 strrchr () instead of rindex (). Use memcmp () instead of bcmp
395 (). Use memcpy () instead of bcopy (). Use memset () instead of
398 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
400 * cppfiles.c (open_file): If already read, then don't reopen.
401 Immediately close an empty file.
403 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
405 * expr.h (fold_builtin): Move declaration...
406 * tree.h (fold_builtin): ... here.
408 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
410 * flow.c (verify_local_live_at_start): Allow hard regs to die.
412 2000-11-02 Neil Booth <neilb@earthling.net>
415 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
416 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
417 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
418 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
419 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
420 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
421 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
422 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
423 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
424 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
425 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
426 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
427 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
428 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
429 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
430 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
431 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
432 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
433 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
434 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
435 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
436 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
437 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
438 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
439 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
440 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
441 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
442 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
443 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
444 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
445 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
446 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
447 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
448 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
449 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
450 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
451 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
452 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
453 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
454 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
455 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
456 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
457 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
458 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
459 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
460 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
461 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
462 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
463 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
464 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
465 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
466 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
467 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
468 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
469 vax/vaxv.h, vax/vms.h, we32k/we32k.h
471 Replace -A() with -A=, the new assertion syntax.
473 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
475 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
477 In REG_DEAD handling: When handling parts of multi-hard-reg hard
478 registers, increment the loop counter by the size of the parts;
479 use recursion to handle individual parts.
481 2000-11-02 Neil Booth <neilb@earthling.net>
483 * configure.in: Make integrated CPP the default.
484 * configure: Regenerate.
486 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
488 * reload.c (find_equiv_reg): Test all hard registers for membership
489 in the requested class.
491 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
493 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
494 process_command, main), gcov.c (open_files, output_data), tlink.c
495 (frob_extension, scan_linker_output), toplev.c
496 (file_name_nondirectory): Use strchr () and strrchr () instead of
497 index () and rindex ().
499 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
501 * c-common.c (get_flag_spec, check_format_info_main,
502 check_format_types): Use strchr () instead of index (). Compare
503 against error_mark_node instead of comparing the TREE_CODE against
506 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
510 * c-lex.c (init_c_lex): Update cpp_start_read call.
511 (cb_ident): Update for new callback prototype.
512 (cb_def_pragma): Update for new cpp_get_token prototype.
513 (c_lex): Similarly. Use cpp_get_line.
515 * c-parse.in (finish_parse): Update for new cpp_finish
518 * cp/lex.c (finish_parse): Similarly.
520 2000-11-01 Geoff Keating <geoffk@cygnus.com>
522 * machmode.def: Add V16QImode.
524 2000-11-01 Richard Henderson <rth@redhat.com>
526 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
527 from rtl_for_decl_location.
528 (add_location_or_const_value_attribute): Likewise.
530 2000-11-01 Neil Booth <neilb@earthling.net>
532 * cpplib.c (run_directive): Use correct line number for output
533 of _Pragma. Remember any in-progress directive.
535 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
537 2000-11-01 Richard Henderson <rth@redhat.com>
539 * stmt.c (expand_start_null_loop): Set continue_label.
541 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
543 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
544 (expand_builtin_constant_p): Move parts of the code into
545 fold_builtin_constant_p.
546 (expand_builtin_strlen): Move parts of the code into fold_builtin.
547 * expr.h (fold_builtin): Declare.
548 * fold-const.c (fold): Handle builtin calls.
550 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
552 2000-11-01 Richard Henderson <rth@redhat.com>
554 * stmt.c (expand_start_null_loop): New.
555 (expand_end_null_loop): New.
556 * c-semantics.c (genrtl_do_stmt): Use them.
557 * tree.h: Declare them.
559 2000-11-01 Richard Henderson <rth@redhat.com>
561 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
563 2000-11-01 Neil Booth <neilb@earthling.net>
565 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
566 * cp/spew.c: Similarly.
567 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
568 * cppmacro.c (stringify_arg): Similarly.
569 * cpplib.h (CPP_BACKSLASH): Delete.
571 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
573 * builtins.c (expand_builtin_strstr): New function.
574 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
576 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
578 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
581 2000-10-31 Richard Henderson <rth@redhat.com>
583 * config/i386/i386.c (fcmov_comparison_operator): Check for
584 CCFPmode or CCFPUmode instead of CCmode.
585 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
586 unordered operations as well.
588 2000-10-31 Richard Henderson <rth@redhat.com>
590 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
591 of integer_zero_node.
593 2000-10-31 Richard Henderson <rth@redhat.com>
595 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
597 2000-10-31 Nick Clifton <nickc@redhat.com>
599 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
600 -fdata-sections to override the section attribute of a DECL.
602 2000-10-31 Chris Demetriou <cgd@sibyte.com>
604 * libgcc2.c (__shtab): Remove __shtab variable.
605 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
606 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
609 2000-10-31 Jim Wilson <wilson@redhat.com>
611 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
612 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
613 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
614 instead of ASM_OUTPUT_INTERNAL_LABEL.
615 (dwarf2out_end_block, dwarf2out_label): Likewise.
616 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
617 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
619 2000-10-31 Richard Henderson <rth@redhat.com>
621 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
622 (size_of_locs): Set it.
623 (output_loc_operands): Use it to compute branch displacement.
624 (int_loc_descriptor): New.
625 (mem_loc_descriptor): Dereference memory in the proper size.
626 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
627 (loc_descriptor_from_tree): New.
628 (rtl_for_decl_location): Break out from ...
629 (add_location_or_const_value_attribute): ... here.
630 (add_bound_info): Use loc_descriptor_from_tree.
632 2000-10-31 Neil Booth <neilb@earthling.net>
634 * cpp.texi: Update for new command line assertion syntax.
635 * cpplib.c (cpp_define): Simplify a bit.
636 (cpp_assert, cpp_unassert): Use handle_assertion.
637 (handle_assertion): New function; accept new command line
639 * testsuite/gcc.dg/cpp/assert3.c: New tests.
641 2000-10-31 Neil Booth <neilb@earthling.net>
643 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
644 undefined. Remove #ifdef check.
645 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
646 Define STDC_0_IN_SYSTEM_HEADERS to 1.
648 2000-10-31 Jan Hubicka <jh@suse.cz>
649 Jakub Jelinek <jakub@redhat.com>
651 * config/i386/i386.h: Clarify CCNOmode description in comment.
652 (EXTRA_CC_MODES): Remove CCRCmode.
653 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
654 (put_condition_code, ix86_match_ccmode): Likewise.
655 (ix86_cc_mode): Likewise. Fix comment.
656 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
657 * config/i386/i386.md: Add unspec 12 description.
658 (adddi3 split): Use unspec 12 instead of CCRCmode.
659 (addsi3_carry_rc): Remove.
660 (addsi3_cc, addqi3_cc): New patterns.
661 (addsi_3): Swap operands, match CCZmode.
662 (addsi_4): Rewritten.
663 (addsi_5): Renamed from addsi_6.
665 (addhi_3): Swap operands, match CCZmode.
666 (addhi_4): Rewritten.
667 (addhi_5): Renamed from addhi_6.
669 (addqi_3): Swap operands, match CCZmode.
670 (addqi_4): Rewritten.
671 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
672 (subsi3_carry_rc): Removed.
673 (iorqi_3): Use =q constraint for clobber.
674 (xorqi_cc_2): Likewise.
675 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
676 (x86_movsicc_0_m1_rc): Removed.
677 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
679 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
681 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
682 and decrement of complex types.
684 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
686 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
687 builtin fputs, ensure we still evaluate the stream in case it
690 2000-10-31 Jakub Jelinek <jakub@redhat.com>
692 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
695 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
697 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
698 (fp_extended_operand, emit_fpscr_use): Likewise.
699 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
700 (fpul_operand): New function.
701 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
702 fp_extended_operand. Add fpul_operand.
703 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
704 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
705 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
706 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
707 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
708 (divdf3_i): Likewise.
709 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
710 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
711 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
712 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
713 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
715 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
717 * config/i386/i386.c (ix86_init_builtins): Correct return type
718 building v4hi_ftype_v4hi_int_int tree node.
719 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
720 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
722 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
724 (mmx__uavgv8qi3): Correct insn mnemonic.
725 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
726 (mmx_punpckhwd): Correct insn mnemonic.
727 (mmx_punpckhdq): Likewise.
728 (mmx_punpcklwd): Likewise.
729 (mmx_punpckldq): Likewise.
730 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
731 Renumber case labels to match the _mm_prefetch constants defined in
734 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
735 if the splitter didn't emit new insns.
736 Make sure we call cleanup_subreg_operands even when splitting the last
737 insn in a basic block.
739 * invoke.texi (Debugging Options): Describe -do.
740 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
741 (dump_file): Likewise.
742 (rest_of_compilation): Split .greg dump into .greg and .postreload.
744 2000-10-30 Neil Booth <neilb@earthling.net>
746 * cppfiles.c (stack_include_file): Check for stacked contexts
748 * cpphash.h (_cpp_do__Pragma): New prototype.
749 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
751 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
752 escaped newlines if !(buffer->from_stage3).
753 (_cpp_lex_token): Warn about missing newlines iff
754 !buffer->from_stage3.
756 * cpplib.c (get__Pragma_string, destringize,
757 _cpp_do__Pragma): New functions.
758 (run_directive): Set output_line for _Pragma to avoid line
759 markers in output. Set from_stage3 and prevent macro expansion
760 for _Pragma and command-line options. Check buffer exhaustion.
761 (cpp_push_buffer): Don't check for stacked macro contexts, as
762 this is perfectly legitimate for _Pragma. Move the check to
763 stack_include_file instead. Set from_stage3 iff buffer is
766 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
767 unsigned. New boolean from_stage3.
768 (struct spec_nodes): Add n__Pragma.
770 * cppmacro.c (enter_macro_context): Flip sense of return value.
771 (_cpp_get_token): Handle _Pragma operator.
773 2000-10-30 Phil Edwards <pme@sources.redhat.com>
775 * gcc.texi: The C++ standard isn't "draft" anymore.
777 2000-10-30 Mark Mitchell <mark@codesourcery.com>
779 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
781 2000-10-29 Neil Booth <neilb@earthling.net>
783 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
785 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
787 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
788 fixinc/inclhack.def: Change comments mentioning C9X to refer to
791 * invoke.texi: Document that -V will only work for very similar
792 versions of driver and compiler.
794 2000-10-29 Neil Booth <neilb@earthling.net>
796 * cppmacro.c (_cpp_create_definition): Optimize the case of
797 a macro defined to itself.
799 2000-10-29 Neil Booth <neilb@earthling.net>
801 * cpplex.c (save_comment): Don't store new lines in C++ comments.
803 2000-10-29 Michael Hayes <mhayes@redhat.com>
805 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
807 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
809 * cpphash.c (cpp_forall_identifiers): Add context variable
810 for callback routine.
811 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
813 (main): Call cpp_forall_identifiers with null context.
814 * cpplib.h (cpp_forall_identifiers): Update prototype.
816 * cppmain.c: Make `parse_in' and `print' static.
818 2000-10-28 Alan Modra <alan@linuxcare.com.au>
820 * c-decl.c (finish_function): Clear c_function_name_declared_p.
822 2000-10-28 Richard Henderson <rth@redhat.com>
824 * regrename.c (scan_rtx_address): Frob action, not class,
825 when trying to disable optimization.
827 2000-10-28 Mark Mitchell <mark@codesourcery.com>
829 * c-semantics.c (make_rtl_for_local_static): Don't clobber
832 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
834 * configure.in: Determine and substitute gcc_version_full.
835 * configure: Regenerate.
836 * gccbug.in: Use it to give full version. Don't allow
839 2000-10-28 Richard Henderson <rth@redhat.com>
841 * recog.c (split_all_insns): Run cleanup_subreg_operands
844 * regrename.c (regrename_optimize): Verify that all registers of
845 a multiple register mode are available.
846 (scan_rtx_address): Accept the mode of the address; all callers
849 * cpplib.c (run_directive): Fix prototype.
851 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
853 * reload.c (find_reloads): Distinguish "wins" so that we know whether
854 a given operand won because of a matching constraint or not; then use
855 that information to compute goal_alternative_matched properly.
856 * reload1.c (choose_reload_regs): Never set reload_override_in for an
859 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
860 accurate value for MULT.
861 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
862 2% or > 98% before using static branch prediction bits.
864 2000-10-28 Neil Booth <neilb@earthling.net>
868 * cpplib.c (struct answer): New.
869 (struct if_stack): Use cpp_lexer_pos rather than line and col.
870 Rename cmacro mi_cmacro.
871 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
872 IN_I): New directive and flags.
873 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
874 parse_answer, parse_assertion, find_answer): New functions.
875 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
876 (lex_macro_node): New function to replace parse_ifdef and
879 (_cpp_handle_directive): New function, combines _cpp_check_directive
880 and _cpp_check_linemarker.
882 (do_define, do_undef, parse_include, do_include, do_import,
883 do_include_next, read_line_number, do_line, do_ident, do_pragma,
884 do_pragma_once, do_pragma_poison, do_pragma_dependency):
885 Update for new token getting interface.
887 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
888 : Update for new multiple-include optimisation technique.
889 (do_elif): Don't forget to invalidate controlling macros.
891 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
892 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
893 Functions to handle assertions with the new token interface.
894 (do_assert, do_unassert): Use them.
896 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
899 (_cpp_init_stacks): Register directive names. Don't register special
902 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
903 new position recording regime.
904 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
905 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
906 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
907 (cpp_type2name): Move to cpplex.c.
909 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
910 (parse_defined): Update to handle new multiple include optimisation
911 method. Remove poisoned identifier warning.
912 (parse_assertion, TYPE_NAME): Delete.
913 (lex): Update for multiple include optimisation, removal of
914 CPP_DEFINED, to use _cpp_test_assertion for assertions and
916 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
917 (op_as_text): New function, to wrap cpp_token_as_text.
919 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
920 Update for MI optimisation.
921 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
922 segfault on diagnostic.
923 (_cpp_compare_file_date): Take a token rather than 3 args.
924 (cpp_read_file): Work correctly for zero-length files.
926 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
927 _cpp_init_hashtable and _cpp_cleanup_hashtable.
928 (cpp_lookup): Place identifiers at front of identifier pool
929 for _cpp_lookup_with_hash.
930 (_cpp_lookup_with_hash): Require identifiers to be at the front of
931 the identifier pool. Commit the memory if not already in the
934 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
935 Initialise various members of cpp_reader, memory pools, and the
937 (cpp_printer_init): Delete.
938 (cpp_cleanup): Update.
939 (struct builtin, builtin_array, initialize_builtins): Update for new
940 hashnode definition and builtin handling.
941 (cpp_start_read, cpp_finish): Don't take or initialise a
944 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
945 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
946 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
947 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
948 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
949 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
950 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
951 struct toklist, struct cpp_context, struct specnodes,
952 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
953 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
954 enum builtin_type, cpp_can_paste): New.
955 (struct cpp_token): Delete line and col members.
956 (struct cpp_buffer): New member output_lineno.
957 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
958 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
959 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
960 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
961 base_context, context, directive, mi_state, mi_if_not_defined,
962 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
963 mlstring_pos, macro_buffer, macro_buffer_len.
964 Delete members mls_line, mls_column, token_list, potential_control_macro,
965 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
966 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
967 save_parameter_spellings, need_newline, .
968 Change type of date, time and spec_nodes members.
969 Change prototypes for include and ident callbacks.
970 (struct cpp_hashnode): Change type of name. Remove union members
971 expansion and code. Add members macro, operator and builtin.
973 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
974 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
975 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
976 cpp_stop_lookahead): New prototypes.
977 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
979 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
982 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
983 ufputs): Move to cpplib.h.
984 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
985 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
986 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
987 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
988 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
989 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
990 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
991 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
992 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
993 _cpp_parse_assertion, _cpp_find_answer): Delete.
994 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
995 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
996 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
997 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
998 _cpp_handle_directive, DSC): New.
999 (struct include_file): New member defined.
1001 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
1002 _cpp_compare_file_date): Update.
1003 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
1004 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
1005 _cpp_cleanup_hashtable.
1007 * Makefile.in: Remove cppoutput.c.
1009 * cppoutput.c: Delete
1011 * fixheader.c (read_scan_file): Update for new cpp_get_token
1013 (recognized_function): New argument LINE.
1015 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1016 new cpp_get_token prototype.
1018 * scan.h (recognized_function): Update prototype.
1020 * po/POTFILES.in: Remove cppoutput.c.
1022 2000-10-27 Mark Mitchell <mark@codesourcery.com>
1024 * c-typeck.c (check_init_type_bitfields): Remove.
1025 (constructor_incremental): Likewise.
1026 (struct constructor_stack): Remove incremental bit.
1027 (struct initializer_stack): Likewise.
1028 (start_init): Don't play with constructor_incremental.
1029 (finish_init): Likewise.
1030 (really_start_incremental_init): Likewise.
1031 (push_init_level): Likewise.
1032 (pop_init_level): Likewise.
1033 (output_init_level): Likewise.
1034 (output_pending_init_elements): Likewise.
1036 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
1038 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
1039 Improve error messages. Correct parsing of
1040 #pragma pack(pop [,id]). Do not check the user-supplied
1041 alignment if we're popping.
1043 * gcc.dg/pack-test-1.c: New test case.
1044 * gcc.dg/pack-test-2.c: New test case.
1045 * gcc.dg/pack-test-1.h: New file.
1047 2000-10-27 Neil Booth <neilb@earthling.net>
1051 2000-10-27 Kelley Cook <kelley.cook@home.com>
1053 * invoke.texi: Document -mintel-syntax
1055 2000-10-27 Richard Henderson <rth@redhat.com>
1057 * invoke.texi: Document -frename-registers. Add it to -O3.
1058 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
1059 (enum dump_file_index, dump_file): Update order.
1060 (main): Set flag_rename_registers at -O3.
1062 2000-10-27 Richard Henderson <rth@redhat.com>
1064 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
1065 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
1066 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
1067 * config/alpha/alpha.md (call_osf_1): Use it.
1068 (call_value_osf_1): Likewise.
1070 * config/ia64/ia64.c: Revert 10-23 patch.
1071 (ia64_hard_regno_rename_ok): New.
1072 * config/ia64/ia64-protos.h: Declare it.
1073 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
1075 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
1076 Richard Henderson <rth@redhat.com>
1078 * regrename.c: Rewrite to handle multi-register modes and
1079 cond_exec instructions.
1080 * Makefile.in (regrename.o): Update dependancies.
1081 * recog.h (struct operand_alternative): Add is_address.
1082 * recog.c (preprocess_constraints) [case 'p']: Set it.
1084 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
1086 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
1087 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
1088 top level. Kill oldstyle_subdirs. Do not include
1089 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
1090 $outputs. Do not run configure.lang from config.status.
1091 Rearrange warning-flag logic to correspond to what the
1092 makefile wants. Put special vax stage1 options in
1093 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
1094 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
1095 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
1096 switch is given, nothing otherwise.
1097 * configure.lang: Delete.
1099 * Makefile.in: Expunge all traces of extra_c_objs,
1100 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
1101 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
1102 warning options via a three level scheme so that -pedantic and
1103 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
1104 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
1105 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
1106 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
1107 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
1108 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
1109 generation rules. Wrap all rules that change the current
1110 directory in parentheses; pmake doesn't spawn a new shell for
1111 each command. Expunge all references to $(P). When one
1112 command depends on another and they're run all at once, use &&
1113 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
1114 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
1117 * objc/Make-lang.in: Wrap all rules that change the current
1118 directory in parentheses. Expunge all references to $(P).
1119 When one command depends on another and they're run all at
1120 once, use && to separate them, not ;. Add OUTPUT_OPTION to
1121 all object-file generation rules. Delete obsolete variables.
1122 * objc/Makefile.in: Delete.
1124 2000-10-27 Jakub Jelinek <jakub@redhat.com>
1126 * calls.c (expand_call): If sibcall_failure is set during pass 1,
1127 clear tail_call_insns as well.
1129 2000-10-27 Nick Clifton <nickc@redhat.com>
1131 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
1134 2000-10-26 Richard Henderson <rth@redhat.com>
1136 * calls.c (expand_call): Supress sibcall if we have a
1137 BLKmode return in registers.
1139 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
1141 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
1144 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
1146 * tree.c (make_node, case 't'): Set alignment to that of
1148 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
1150 2000-10-25 Mark Mitchell <mark@codesourcery.com>
1152 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
1153 * configure.in (enable-libstdcxx-v3): Arrange to have
1154 HAVE_LIBSTDCXX_V3 substituted into the output files.
1156 2000-10-25 Richard Henderson <rth@redhat.com>
1158 * recog.c (constrain_operands): Initialize which_alternative
1159 before no alternatives early exit.
1161 * cse.c (find_comparison_args): Check that we can reverse a
1162 comparison if needed before accepting the substitution.
1164 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
1166 * simplify-rtx.c (simplify_relational_operation): Sign extend
1167 low words before sign extending to high words.
1169 2000-10-25 Nick Clifton <nickc@redhat.com>
1171 * config/mcore/mcore.c: Include config.h before system.h.
1173 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
1175 * config/mcore/mcore.md (return): Force function epilogue to
1176 always be generated to work around epilogue suppression bug in
1179 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
1181 * c-decl.c (grokdeclarator): Move warning for qualified void
1182 return types with -pedantic to when the function type is
1183 constructed. At -W, warn in general for qualified function return
1184 types, except for volatile void.
1185 * invoke.texi: Document this new warning at -W.
1187 2000-10-25 Neil Booth <neilb@earthling.net>
1189 * cpp.texi: Update with implementation-defined behavior and
1192 2000-10-25 Jakub Jelinek <jakub@redhat.com>
1194 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
1195 incomplete type force it into alias set 0.
1197 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
1199 * alias.c: Include basic-block.h.
1200 (loop_p): New function.
1201 (mark_constant_function): Use it.
1202 * Makefile.in (alias.o): Update dependencies.
1204 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
1206 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
1209 2000-10-24 Jim Wilson <wilson@cygnus.com>
1211 * expmed.c (store_bit_field): Move integer pun code down after
1212 code that calls emit_move_insn for entire register move.
1213 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
1214 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
1216 2000-10-24 Richard Henderson <rth@cygnus.com>
1218 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
1219 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
1221 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
1223 * gcse.c (cprop_insn): do not propagate constants into jump_insn
1224 for machines with CC0 more than once.
1226 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
1228 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
1229 pseudos just like memory.
1231 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
1233 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
1234 when deleting libcall sequence collapsed to a single instruction.
1236 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
1238 * expr.c (do_store_flag): Don't crash if either side of a
1239 comparison is error_mark_node.
1241 2000-10-24 Jakub Jelinek <jakub@redhat.com>
1243 * sibcall.c (purge_mem_unchanging_flag): New function.
1244 (optimize_sibling_and_tail_recursive_calls): Call it.
1246 2000-10-24 Philipp Thomas <pthomas@suse.de>
1248 * Makefile.in (check-po): New target for doing checks in the po
1249 subdir if all languages configured.
1250 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
1251 configure if NLS is enabled.
1252 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
1253 otherwise leave empty.
1254 * configure: Regenerate.
1256 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1258 * i386.c (print_operand): Handle new 'A' formatting code.
1259 387 opcodes need suffixes even with -mintel-syntax.
1260 Check for explicit size override (codes 'b', 'w' and 'k').
1261 (print_operand_address): Check if register prefix is needed when
1262 emitting `ds' segment override.
1263 * i386.h: Add comment about new 'A' formatting code.
1264 * i386.md (jump and call patterns): Emit absolute references using %A.
1266 2000-10-23 Richard Henderson <rth@cygnus.com>
1268 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
1269 output registers as fixed.
1270 (ia64_function_epilogue): Undo output fixation.
1272 2000-10-23 Richard Henderson <rth@cygnus.com>
1274 * config/alpha/alpha.md: Add names for all unnamed insns; use
1275 define_insn_and_split in some obvious places.
1277 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
1278 (zero_extendqisi2, zero_extendqidi2): Likewise.
1279 (zero_extendhisi2, zero_extendhidi2): Likewise.
1280 (abs splitters): Fix match_scratch operand number.
1281 (bcc_reverse): Swap pc & label instead of non-canonical compare.
1283 2000-10-23 Jim Wilson <wilson@cygnus.com>
1285 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
1287 * ia64.md (cmpsi_adjusted): Use %r3.
1288 (cmpdi_adjusted): Likewise.
1290 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1292 * config/i386/att.h (ASM_FILE_START): Define.
1294 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
1296 * config/i386/linux.h (ASM_FILE_START): Define.
1298 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
1300 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
1301 since this (only) drags in a crt0.o reference that the .ld files
1304 2000-10-23 Geoff Keating <geoffk@cygnus.com>
1306 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
1307 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
1308 reloads just like an RELOAD_FOR_OUTPUT would.
1310 * local-alloc.c (update_equiv_regs): Add an abort(). When
1311 deleting or moving insns, update reg_equiv[regno].init_insns.
1313 2000-10-23 Mark Mitchell <mark@codesourcery.com>
1315 * c-tree.texi: Improve documentation for IF_STMTs and related
1316 conditional statements.
1318 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1320 * expr.c (do_preexpand_calls): Remove.
1321 (same_from_p): Don't use CALL_EXPR_RTL.
1322 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
1323 (preexpand_calls): Remove.
1324 * tree.c (first_rtl_op): Remove CALL_EXPR case.
1325 (unsave_expr_1): Likewise.
1326 * tree.def (CALL_EXPR): Give it only two slots.
1327 * tree.h (CALL_EXPR_RTL): Remove.
1329 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
1331 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
1332 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1335 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
1337 * calls.c (combine_pending_stack_adjustment_and_call): Don't
1338 adjust stack when unadjusted_alignment ends up as zero.
1340 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
1342 * fixinc/genfixes: Remove EGCS reference.
1343 * install.texi: Remove EGCS reference.
1344 * INSTALL: Regenerate.
1346 2000-10-22 Mark Mitchell <mark@codesourcery.com>
1348 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
1350 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
1352 * diagnostic.c: Remove EGCS reference in comment.
1354 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1356 * loop.c (strength_reduce): Fix error in last change.
1358 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1360 * Makefile.in (SHLIB_NM_FLAGS): New.
1361 (libgcc.mk): Pass it.
1362 * mklibgcc.in (libgcc.map): Use it.
1364 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
1365 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
1367 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1369 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
1371 * sparc.c (load_pic_register): Delete unused varaible.
1373 * libgcc2.c (__addvsi3): Delete unused variable.
1375 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
1376 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
1377 __negvdi2): Prototype.
1379 * ssa.c (apply_delayed_renames): Avoid undefined operation.
1381 * toplev.c (display_target_options): Make static to match
1382 prototype. Delete empty declaration.
1384 2000-10-20 Tom Tromey <tromey@cygnus.com>
1386 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1387 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
1389 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1391 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
1393 (expand_expr_unaligned, case ARRAY_REF): Check that index is
1394 a constant before comparing it; use tree_low_cst.
1395 * tree.c (save_expr): Set TREE_READONLY.
1396 (substitute_expr): Return inside of NON_LVALUE_EXPR.
1397 (build, build1): Set TREE_READONLY if all operands are.
1398 (build_index_type): If upper bound is a negative number, lower
1399 bound is zero and sizetype is unsigned, use upper bound of one and
1402 2000-10-20 David Edelsohn <edelsohn@gnu.org>
1404 * gcc.c (process_command, main): Use "because" instead of
1405 "since" in error messages.
1407 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1409 * stor-layout.c (compute_record_mode): Use tree_low_cst.
1410 Don't use mode of field for record unless sizes are the same.
1411 (layout_type, case ARRAY_TYPE): Remove special bounds handling
1412 previously added for Ada; also change to using host_integerp
1415 * loop.c (strength_reduce): Show when new register made for
1416 giv is known to be a pointer and its aligment if so and known.
1417 (loop_dump_aux): Show VERBOSE parameter unused.
1419 * gcse.c (set_hash_table_size): Now unsigned.
1420 * sdbout.c (template_name_p): Add "const" to avoid warnings.
1421 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
1422 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
1423 (sdbout_end_epilogue): Remove variable NAME.
1424 * system.h (getopt): Add default definition.
1425 * config/alpha/alpha.c (print_operand): Don't continue processing
1426 after issuing error.
1427 (summarize_insn): Avoid use of UL in constant.
1429 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
1431 * fold-const.c (force_fit_type): Unsigned values can overflow
1432 if they are sizetype.
1433 (int_const_binop): Don't use cache if overflows.
1435 2000-10-20 Richard Henderson <rth@cygnus.com>
1437 * function.c (locate_and_pad_parm): Zero alignment_pad.
1439 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
1440 perform substitutions, and apply_change_group to see if it worked.
1442 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1444 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
1446 * combine.c (struct undo): Change int to unsigned int.
1447 (do_SUBST_INT): Args are unsigned int.
1448 (make_extraction, force_to_mode): Use proper type when forming mask.
1449 (make_field_assignment): Likewise.
1451 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
1453 * c-common.c (check_format_info_recurse): Extract string constant
1454 initializers from non-volatile constant arrays and check them as
1456 * c-typeck.c (decl_constant_value): Don't check pedantic or check
1457 for DECL_MODE (decl) != BLKmode.
1458 (decl_constant_value_for_broken_optimization): New function which
1459 includes these checks.
1460 (default_conversion, convert_for_assignment, digest_init): Use
1461 decl_constant_value_for_broken_optimization instead of
1462 decl_constant_value.
1464 2000-10-20 Mark Mitchell <mark@codesourcery.com>
1466 * tree.h (DECL_ALIGN_UNIT): New macro.
1468 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
1470 * config/avr/avr-protos.h (avr_output_bld): New.
1471 (out_shift_with_cnt): Add t_len argument.
1472 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
1473 (output_movqi, output_movhi, output_movsisf): Optimize loading
1474 any constant with exactly one bit set to NO_LD_REGS.
1475 (out_shift_with_cnt): Optimize output code for size or speed,
1476 depending on optimize_size. Handle small shift counts as well
1477 (if not hand-optimized in ?sh??i3_out). Shifts can be done
1478 with or without a scratch register, with help of __tmp_reg__
1479 or __zero_reg__ if necessary. Add T_LEN argument to pass the
1480 length of TEMPLATE in words, return total insn length in *LEN.
1481 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
1482 out_shift_with_cnt to work with the above change.
1483 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
1484 lshrsi3_out): Likewise. Optimize more known shift count cases.
1485 Remove cases already well optimized in out_shift_with_cnt.
1486 (avr_output_bld): New function.
1487 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
1488 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
1489 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
1490 Add reload_completed to insn condition - only for peepholes.
1491 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
1492 in a register or memory.
1493 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
1494 Do not require a scratch register.
1495 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
1496 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
1497 Optimize shifts by known count using a scratch register, but only
1498 if one is still available after register allocation.
1500 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1502 * t-vax: New file. Don't build modules from libgcc1.c.
1504 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
1506 * alias.c: (mark_constant_function): Don't check pure functions.
1507 Initialize and end alias analysis.
1508 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
1509 Don't make a special exception for recursion. Handle
1510 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
1511 unless it's volatile.
1513 * local-alloc.c (equivalence): New structure.
1514 (reg_equiv): Define.
1515 (contains_replace_regs): Remove array and use
1517 (memref_referenced_p): Likewise.
1518 (no_equiv): Likewise.
1519 (update_equiv_regs): Likewise.
1521 (equiv_init_varies_p,
1522 equiv_init_movable_p): New functions.
1523 (update_equiv_regs): Use them. Use rtx_varies_p
1524 instead of function_invariant_p. Process insns
1525 from end to beginning. Allow a REG_EQUIV insn
1526 within the same loop as a use to be moved, also
1527 allow it to be moved out of a loop. Update
1528 REG_DEAD notes when substituting into an insn.
1530 2000-10-19 Jim Wilson <wilson@cygnus.com>
1532 * c-decl.c (start_decl): Check for error_mark_node type before using
1534 (finish_decl): Likewise. Don't give an error if decl type is
1535 already error_mark_node.
1537 * haifa-sched.c (compute_trg_info): Add explanatory comments.
1538 New local update_blocks. Use update_blocks to remove duplicates
1539 when computing update blocks. Check for bblst_table overflow.
1540 (schedule_block): Add explanatory comment. Reduce bblst_size by
1542 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
1545 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1547 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
1549 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1551 * expmed.c: Minor corrections in comments.
1552 * invoke.texi: Added desciption for the new option -ftrapv.
1554 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
1556 * libgcc2.c: Added the missing #endif.
1558 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1560 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
1562 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
1564 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
1565 Use smulv_optab for -ftrapv.
1566 (expand_mult_highpart): Use unsigned multiply.
1567 (expand_divmod): Special-case division by -1.
1568 For EXACT_DIV_EXPR, do right shift first, then the multiply.
1569 For complex divide, use abs with unsigned result.
1570 * expr.c (force_operand): Use unsigned multiply.
1571 (expand_expr): Use overflow-trapping optabs for signed types if
1573 If flag_trapv, don't generate a recursive call with EXPAND_SUM
1574 if the type is signed and the original call wasn't EXPAND_SUM or
1576 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
1577 (negv_optab, absv_optab): Declare.
1578 * flags.h (flag_trapv): Declare.
1579 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
1580 smulv_optab, sdivv_optab, negv_optab and absv_optab.
1581 (gen_insn): Interpret '$P' as requiring an integer mode,
1582 including partial integer modes.
1583 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
1584 (product_cheap_p): Use unsigned expand_mult.
1585 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
1586 (negv_optab, absv_optab): Define.
1587 (expand_binop): Use overflow-trapping optabs for signed types if
1589 Handle negv_optab libe neg_optab.
1590 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
1591 Use overflow-trapping optabs for signed result if flag_trapv.
1592 (expand_complex_abs): Use overflow-trapping optabs for signed types if
1594 Don't open-code complex absolute-value operation for flag_trapv.
1595 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
1596 sdivv_optab, negv_optab and absv_optab.
1597 * toplev.c (flag_trapv): Define.
1598 (lang_independent_options f_options): Include flag_trapv.
1599 * tree.h (TYPE_TRAP_SIGNED): Define.
1600 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
1601 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
1603 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
1604 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
1606 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
1607 David V. Henkel-Wallace <gumby@cygnus.com>
1609 * config/i386/t-netware: Bring in from the Red Hat tree.
1610 * config/i386/netware.h: Likewise.
1611 * config/netware.h: Likewise.
1612 * config/rs6000/netware.h: Delete.
1613 * configure.in: Add i[34567]86-*-netware.
1614 * configure: Hand-edit to match configure.in change.
1616 2000-10-18 Mark Mitchell <mark@codesourcery.com>
1618 * c-common.h (flag_no_builtin): Declare.
1619 (flag_no_nonansi_builtin): Likewise.
1620 (c_common_nodes_and_builtins): Change prototype.
1621 * c-common.c (flag_no_builtin): New variable.
1622 (flag_no_nonansi_builtin): Likewise.
1623 (c_common_nodes_and_builtins): Remove parameters. Adjust
1625 * c-decl.c (flag_no_builtin): Remove.
1626 (flag_no_nonansi_builtin): Likewise.
1627 (init_decl_processing): Adjust call to
1628 c_common_nodes_and_builtins.
1630 2000-10-18 Marc Espie <espie@openbsd.org>
1632 * tm.texi (LIBGCC_SPEC): Synch with reality.
1634 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1636 * c-common.c (check_format_types): Check for writing through a
1637 NULL pointer argument.
1639 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
1641 * tm.texi (Exception Region Output): Document
1642 DWARF_CIE_DATA_ALIGNMENT.
1643 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
1645 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
1646 DWARF_CIE_DATA_ALIGNMENT.
1648 2000-10-18 Michael Hayes <mhayes@cygnus.com>
1650 * basic-block.h (struct loop): Delete fields pre_header_root
1651 and pre_header_trace and replace with pre_header_edges
1652 and num_pre_header_edges.
1653 * flow.c (flow_loop_dump): Dump pre_header_edges.
1654 (flow_loops_free): Free pre_header_edges.
1655 (flow_loop_pre_header_scan): Calculate pre_header_edges.
1657 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1659 * contrib.texi: Update references to steering committee members
1660 and Jeff Law's entry.
1662 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1664 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
1665 (maybe_read_dollar_number, check_format_info_main): Use them for
1666 pedantic warning messages.
1668 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
1670 * c-common.c (check_format_info_main): Minor cleanup: move
1671 variables into inner scopes; initialize declarations where
1672 appropriate; don't hardcode "scanf" name on warning for zero
1675 2000-10-17 Mark Mitchell <mark@codesourcery.com>
1677 * c-common.c (back_end_hook): New variable.
1678 * c-common.h (back_end_hook): Declare it.
1679 * c-lang.c (finish_file): Use it.
1681 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
1684 2000-10-18 Jan Hubicka <jh@suse.cz>
1686 * i386.c (ix86_comparison_operator, put_condition_code,
1687 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
1688 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
1689 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
1690 * i386.md (adddi and negdi splitter): Use CCRCmode.
1691 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
1692 (subsi3_carry): add '*'
1693 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
1694 (cmp to add peep2): Use CCRCmode; swap operands.
1696 2000-10-18 Kazu Hirata <kazu@hxi.com>
1698 * h8300.c: Fix a comment typo.
1699 (round_frame_size): New.
1700 (compute_saved_regs): Likewise.
1703 (push_order): Remove.
1704 (pop_order): Likewise.
1705 (function_prologue): Rearrange code for readability.
1706 (function_epilogue): Likewise.
1708 * config/h8300/h8300.md: Remove an unnecessary sign_extend
1709 expander that is used when not optimizing. Output a tab after
1710 each assembly insns.
1712 * reorg.c: Fix formatting.
1714 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
1716 * reload1.c (move2add_note_store): Check for simple
1717 auto-inc in destination.
1719 2000-10-17 Michael Chastain <chastain@redhat.com>
1721 * config/i386/i386-aout.h: define INT_ASM_OP.
1723 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
1725 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
1727 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
1729 * i370.md: Fix spelling typo.
1731 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1733 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
1734 Fixes execute/20001017-1.c on powerpc-linux-gnu.
1736 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
1737 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
1740 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
1741 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
1743 * rs6000/aix.h: ...to here.
1744 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
1746 2000-10-17 Jakub Jelinek <jakub@redhat.com>
1748 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
1750 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
1751 sure linker can relax even the delay slot mov %g1,%o7, fix output
1754 2000-10-17 Kazu Hirata <kazu@hxi.com>
1756 * config/h8300/h8300.md: Remove an unnecessary zero_extend
1757 expander that is used when not optimizing. Output a tab after
1758 each assembly insns.
1760 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
1762 * gcc.c: New options --target-help.
1763 (process_command): Added code to parse this new option.
1764 * toplev.c (display_target_options): New function to support the
1766 * cppinit.c (new_pending_directive) : New option OPT_target__help.
1767 (cpp_handle_option): Support this new option.
1768 * invoke.texi: Added notes about --target-help option.
1770 2000-10-17 Graham Stott <grahams@redhat.com>
1772 * config/i386/i386.md (testqi_1): Add missing operand prefix
1774 * config/i386/i386-protos.h: Add missing prototype.
1776 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
1778 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
1779 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
1780 using -mintel-syntax.
1782 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1784 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
1785 (format_types): Use it for printf.
1786 (maybe_read_dollar_number): Add parameter for the kind of format
1787 involved. Warn for multiple use for arguments if this is
1788 inappropriate for the kind of format involved.
1789 (check_format_info_main): Update calls to maybe_read_dollar_number.
1791 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1793 * inclhack.def (hpux_maxint): Also apply fix to values.h.
1794 * fixincl.x: Rebuilt.
1796 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
1798 * genrecog.c (write_switch): Return the first condition that needs a
1801 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
1803 * c-tree.h (warn_sequence_point): Move declaration to...
1804 * c-common.h (warn_sequence_point): ... here.
1805 * c-decl.c (warn_sequence_point): Move definition to...
1806 * c-common.c (warn_sequence_point): ... here.
1807 (struct reverse_tree): New.
1808 (reverse_list, reverse_max_depth): New static variables.
1809 (build_reverse_tree, common_ancestor, modify_ok
1810 verify_sequence_points): New functions.
1811 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
1812 * c-typeck.c (check_modify_expr): Delete.
1813 (build_modify_expr): Don't call it.
1815 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
1817 * c-common.h (warn_missing_format_attribute): New variable.
1818 * c-decl.c (warn_missing_format_attribute): New variable.
1819 (c_decode_option): Decode -Wmissing-format-attribute and
1820 -Wno-missing-format-attribute.
1821 * c-common.c (check_function_format): If
1822 -Wmissing-format-attribute, give a warning where a vprintf or
1823 vscanf function is called by a function without its own printf or
1825 * toplev.c (documented_lang_options): Add
1826 -Wmissing-format-attribute.
1827 * invoke.texi: Document -Wmissing-format-attribute.
1829 2000-10-17 Marc Espie <espie@openbsd.org>
1831 * invoke.texi (-shared): Insist on requiring code generation flags
1832 to be used along with -shared, and document the subtle failure that
1833 may occur otherwise.
1835 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1837 * pa.md (return_internal): Move `use' after `return'.
1839 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1841 * machmode.def: Correct comment.
1843 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
1845 * print-rtl.c (print_rtx_head): Constify.
1846 * rtl.h (print_rtx_head): Similarly.
1848 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
1849 Constify char * return value.
1851 (output_64bit_and, output_64bit_ior): Constify char * return value.
1852 (pa_can_combine_p): Make static.
1853 (function_arg): Decorate unused `named' argument. Fix comment typo.
1854 (function_arg_partial_nregs): Decorate unused `named' argument.
1856 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
1858 * c-common.c (format_check_results): New structure.
1859 (finish_dollar_format_checking): Adjust to take a
1860 format_check_results * parameter.
1861 (check_format_info, check_format_info_recurse,
1862 check_format_info_main): Split check_format_info into three
1863 functions, the main checking going in check_format_info_main.
1864 Recurse when any reduction of the format string argument towards a
1865 string literal is done; go down both branches of a conditional
1866 expression. Don't warn for extra format arguments or empty format
1867 strings if they only occur in some branches of a conditional
1870 2000-10-16 Kazu Hirata <kazu@hxi.com>
1872 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
1874 2000-10-16 Jakub Jelinek <jakub@redhat.com>
1876 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
1878 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
1880 * i386.md (*movsi_or): Switch operand order for intel syntax.
1882 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
1886 * gcc.texi (Contributing): Update.
1888 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
1890 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
1891 appropriate assembler dialect.
1893 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
1895 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
1897 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
1899 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
1900 constants 1 and 2 to NO_LD_REGS.
1902 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1904 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
1906 * objc/Make-lang.in (objc-parse.c): Likewise.
1908 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1910 * arm.c: Include obstack.h
1911 (minipool_obstack, minipool_startobj): Define.
1912 (arm_add_gc_roots): Initialize them.
1913 (create_fix_barrier): Use our new obstack.
1914 (push_minipool_barrier, push_minipool_fix): Likewise.
1915 (arm_reorg): Release obstack memory.
1917 2000-10-13 Jakub Jelinek <jakub@redhat.com>
1919 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
1920 (prologue, exception_receiver, builtin_setjmp_receiver): New
1922 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
1923 * config/sparc/sparc-protos.h (finalize_pic): Remove.
1924 (load_pic_register): New prototype.
1925 * config/sparc/sparc.c (pic_setup_code): Remove.
1926 (finalize_pic): Rename to...
1927 (load_pic_register): ...this function.
1928 Don't look for nonlocal_goto_receivers and emit pic setup code
1929 directly. Don't check current_function_uses_pic_offset_table.
1931 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
1933 * tree.h (struct obstack): Declare.
1935 2000-10-12 Mark Mitchell <mark@codesourcery.com>
1938 * Makefile.in (ggc-callbacks.o): Remove target.
1939 (flow.o): Depend on GGC_H.
1940 * alias.c (init_alias_analysis):
1941 Remove ggc_p conditionals.
1942 (end_alias_analysis): Likewise.
1943 * basic-block.h (init_flow): New function.
1944 (allocate_reg_life_data): Declare.
1945 * bb-reorder.c (function_obstack): Replace with ...
1946 (flow_obstack): ... new variable.
1947 (fixup_reorder_chain): Use it.
1948 * c-decl.c (ggc_p): Remove.
1949 (caller-save.c): Don't call oballoc/obfree.
1951 undobuf): Remove storage.
1952 (try_combine): Don't call oballoc.
1953 (undo_all): Don't call obfree.
1954 * cse.c (insert): Use xmalloc, not
1956 (cse_main): Adjust accordingly.
1957 * dwarf2out.c (save_rtx): Remove
1959 (dwarf2out_init): Remove ggc_p conditionals.
1960 * emit-rtl.c (rtl_obstack): Remove.
1961 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
1962 (make_insn_raw): Likewise.
1963 (emit_insn_before): Likewise.
1964 (emit_insn_after): Likewise.
1965 (emit_insn): Likewise.
1966 (gen_sequence): Likewise.
1967 (copy_insn_1): Remove handling of `b' RTL components.
1968 (init_emit_once): Remove ggc_p conditionals.
1969 * except.c (create_rethrow_ref): Don't fool with obstacks.
1970 (add_partial_entry): Likewise.
1971 (call_get_eh_context): Likewise.
1972 (begin_protect_partials): Likewise.
1973 (protect_with_terminate): Likewise.
1975 (plus_constant_wide): Likewise.
1976 * expr.c (init_expr_once):
1978 (emit_block_move): Likewise.
1979 (clear_storage): Likewise.
1980 (expand_expr): Likewise.
1981 * flow.c (function_obstack): Remove.
1982 (flow_obstack): New variable.
1983 (flow_firstobj): Likewise.
1984 (create_base_block): Use the flow_obstack.
1985 (split_block): Likewise.
1986 (split_edge): Likewise.
1987 (calculate_global_regs_live): Likewise.
1988 (allocate_bb_life_data): Make it static. Likewiwse.
1989 (init_flow): New function.
1990 (size_int_type_wide): Remove ggc_p conditionals.
1992 (push_function_context_to): Don't call save_tree_status.
1993 (pop_function_context_from): Or restore_tree_status.
1994 (assign_stack_local_1): Don't call push_obstacks.
1995 (find_fixup_replacement): Use xmalloc.
1996 (fixup_var_refs_insns): Free the storage.
1997 (insns_for_mem_walk): Don't mess with obstacks.
1998 (instantiate_decls): Likewise.
1999 (trampoline_address): Likewise.
2000 (expand_function_end): Likewise.
2001 * function.h (sturct function):
2002 Remove obstack-related variables.
2003 (save_tree_status): Don't declare.
2004 (restore_tree_status): Likewise.
2005 * gcse.c (compute_can_copy):
2006 Don't call oballoc/obfree.
2007 * genattrtab.c (operate_exp): Remove
2009 (simplify_cond): Likewise.
2010 (simplify_test_exp): Don't mess with obstacks.
2011 (optimize_attrs): Likewise.
2012 * gengenrtl.c (gendef): Don't include
2014 * ggc-callbacks.c (ggc_p): Remove.
2015 * ggc-none.c (ggc_p): Remove.
2016 * ggc.h (ggc_p): Don't declare.
2017 * integrate.c (save_for_inline): Don't mess with obstacks.
2018 (integrate_decl_tree): Likewise.
2019 (output_inline_function): Likewise.
2021 (init_EXPR_INSN_LIST_cache): Likewise.
2022 * loop.c (temp_obstack):
2024 (rtl_obstack): Likewise.
2025 (init_loop): Don't mess with obstacks.
2026 (reg_address_cost): Free BIVs and GIVs.
2027 (check_insns_for_bivs): Use xmalloc, not oballoc.
2028 (find_mem_givs): Likewise.
2029 (record_biv): Likewise.
2030 (general_induction_var): Likewise.
2031 (product_cheap_p): Likewse.
2032 * optabs.c (init_one_libfunc): Remove
2034 * print-tree.c (debug_tree): Don't use
2036 (print_node): Likewise.
2037 * profile.c (output_func_start_profiler):
2038 Remove call to temporary_allocation.
2040 (eliminate_regs_in_insn): Don't mess with obstacks.
2042 (mark_target_live_regs): Use xmalloc.
2043 (free_resource_info): Free the memory.
2044 * rtl.c (rtl_obstack):
2046 (rtvec_alloc): Don't mess with obstacks.
2047 (rtx_alloc): Likewise.
2049 (copy_rtx): Don't handle `b' cases.
2050 (read_rtx): Use a local rtl_obstack.
2051 * rtl.h (oballoc): Remove.
2053 (pop_obstacks): Likewise.
2054 (push_obstacks): Likewise.
2055 (allocate_bb_life_data): Likewise.
2056 (allocate_reg_life_data): Likewise.
2057 (rtx_free): Likewise.
2058 * sdbout.c (sdbout_queue_anonymous_type):
2059 Use tree_cons, not saveable_tree_cons.
2061 (cselib_init): Don't mess with obstacks.
2063 (mark_block_nesting): Mark the label_chain.
2064 (epxand_label): Use ggc_alloc, not oballoc.
2065 (clear_last_expr): Don't mess with obstacks.
2066 (expand_decl_cleanup): Likewise.
2067 (expand_dcc_cleanup): Likewise.
2068 (expand_dhc_cleanup): Likewise.
2069 (expand_anon_union_decl): Likewise.
2070 (add_case_node): Use xmalloc, not oballoc.
2071 (free_case_nodes): New function.
2072 (expand_end_case): Call it.
2073 * stor-layout.c (layout_type): Don't
2075 (layout_type): Likewise.
2076 * toplev.c (wrapup_global_declarations):
2078 (compile_file): Remove ggc_p conditionals.
2079 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
2080 (decode_f_option): Remove ggc_p conditionals.
2082 (function_maybepermanent_obstack): Remove.
2083 (maybepermanent_obstack): Likewise.
2084 (function_obstack): Likewise.
2085 (tmeporary_obstack): Likewise.
2086 (momentary_obstack): Likewise.
2087 (temp_decl_obstack): Likewise.
2088 (saveable_obstack): Likewise.
2089 (rtl_obstack): Likewise.
2090 (current_obstack): Likewise.
2091 (expression_obstack): Likewise.
2092 (struct obstack_stack): Likewise.
2093 (obstack_stack): Likewise.
2094 (obstack_stack_obstack): Likewise.
2095 (maybepermanent_firstobj): Likewise.
2096 (temporary_firstobj): Likewise.
2097 (momentary_firstobj): Likewise.
2098 (temp_decl_firstobj): Likewise.
2099 (momentary_function_firstobj): Likewise.
2100 (all_types_permanent): Likewise.
2101 (struct momentary_level): Likewise.
2102 (momentary_stack): Likewise.
2103 (init_obstacks): Remove initialization of removed obstacks.
2104 (save_tree_status): Remove.
2105 (restore_tree_status): Likewise.
2106 (temporary_allocation): Liekwise.
2107 (end_temporary_allocation): Liekwise.
2108 (resume_temporary_allocation): Likewise.
2109 (saveable_allocation): Likewise.
2110 (push_obstacks): Likewise.
2111 (push_obstacks_nochange): Likewise.
2112 (pop_obstacks): Likewise.
2113 (allocation_temporary_p): Likewise.
2114 (permanent_allocation): Likewise.
2115 (preserve_data): Likewise.
2116 (preserve_initializer): Likewise.
2117 (rtl_in_current_obstack): Likewise.
2118 (rtl_in_saveable_obstack): Likewise.
2119 (oballoc): Likewise.
2121 (savealloc): Likewise.
2122 (expralloc): Likewise.
2123 (print_obstack_name): Likewise.
2124 (debug_obstack): Likewise.
2125 (object_permanent_p): Likewise.
2126 (push_momentary): Likewise.
2127 (perserve_momentary): Likewise.
2128 (clear_momentary): Likewise.
2129 (pop_momentary): Likewise.
2130 (pop_momentary_nofree): Likewise.
2131 (suspend_momentary): Likewise.
2132 (resume_momentary): Likewise.
2133 (make_node): Don't set TREE_PERMANENT.
2134 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
2135 Don't set TREE_PERMANENT.
2136 (get_identifier): Remove ggc_p conditionals.
2137 (build_string): Likewise.
2138 (make_tree_vec): Likewise.
2139 (build_decl_list): Remove.
2140 (build_expr_list): Likewise.
2141 (tree_cons): Remove ggc_p conditionals.
2142 (decl_tree_cons): Remove.
2143 (expr_tree_cons): Likewise.
2144 (perm_tree_cons): Likewise.
2145 (temp_tree_cons): Likewise.
2146 (saveable_tree_cons): Likewise.
2147 (build1): Remove ggc_p conditionals.
2148 (build_parse_node): Likewise.
2149 (build_type_attribute_variant): Don't mess with obstacks.
2150 (build_type_copy): Likewise.
2151 (type_hash_canon): Likewise.
2152 (build_pointer_type): Likewise.
2153 (build_reference_type): Likewise.
2154 (build_index_type): Likewise.
2155 (build_range_type): Likewise.
2156 (dump_tree_statistics): Don't print obstack information.
2158 (struct tree_common): Remove permanent_flag.
2159 (TREE_PERMANENT): Remove.
2160 (TREE_SET_PERMANENT): Likewise.
2161 (TYPE_OBSTACK): Likewise.
2162 (struct tree_type): Remove obstack.
2164 (savealloc): Likewise.
2165 (build_decl_list): Likewise.
2166 (build_expr_list): Likewise.
2167 (perm_tree_cons): Likewise.
2168 (temp_tree_cons): Likewise.
2169 (saveable_tree_cons): Likewise.
2170 (decl_tree_cons): Likewise.
2171 (expr_tree_cons): Likewise.
2172 (suspend_momentary): Likewise.
2173 (allocation_temporary_p): Likewise.
2174 (resume_momentary): Likewise.
2175 (push_obstacks_nochange): Likewise.
2176 (permanent_allocation): Likewise.
2177 (push_momentary): Likewise.
2178 (clear_momentary): Likewise.
2179 (pop_momentary): Likewise.
2180 (end_temporary_allocation): Likewise.
2181 (pop_obstacks): Likewise.
2182 (push_obstacks): Likewise.
2183 (pop_momentary_nofree): LIkewise.
2184 (preserve_momentary): Likewise.
2185 (saveable_allocation): Likewise.
2186 (temporary_allocation): Likewise.
2187 (resume_temporary_allocation): Likewise.
2188 (perserve_initializer): Likewise.
2189 (debug_obstack): Likewise.
2190 (rtl_in_current_obstack): Likewise.
2191 (rtl_in_saveable_obstack): Likewise.
2193 * varasm.c (current_obstack): Remove.
2194 (saveable_obstack): Remove.
2195 (rtl_obstack): Remove.
2196 (immed_double_const): Don't mess with obstacks.
2197 (immed_real_cons): Likewise.
2198 (output_constant_def): Likewise.
2199 (init_varasm_status): Use xcalloc.
2200 (mark_pool_constant): Mark the pool constant itself.
2201 (free_varasm_status): Free memory.
2202 (decode_rtx_const): Call bzero directly, rather than expanding it
2204 (record_rtx_const): Don't mess with obstacks.
2205 (force_const_mem): Likewise.
2206 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
2208 (aof_pic_entry): Likewise.
2209 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
2210 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
2211 * config/pa/pa.c (saveable_obstack): Remove.
2212 (rtl_obstack): Likewise.
2213 (current_obstack): Likewise.
2214 (output_call): Don't mess with obstacks.
2215 (hppa_encode_label): Remove ggc_p conditionals.
2216 * config/romp/romp.c (get_symref): Don't mess with obstacks.
2217 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
2218 (rs6000_encode_section_info): Likewise.
2219 * config/sh/sh.c (get_fpscr_rtx): Likewise.
2221 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
2223 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
2224 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
2225 (addsi3_carry): Canonicalize.
2226 (addqi_5): Remove '*'.
2227 (sbb pattern): Canonicalize.
2229 * i386.md (cmp to inc/add peep2): New.
2231 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
2233 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
2236 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2238 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
2239 * README.TRAD, TESTS.FLUNK: Remove.
2241 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2243 * c-common.c (decl_attributes): Don't allow strftime formats with
2244 first_arg_num nonzero.
2245 (check_format_info): Set wanted_type and wanted_type_name to zero
2246 before they are possibly assigned and used.
2248 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2250 * c-common.c (scanf_flag_specs): Add flags ' and I.
2251 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
2252 or the ^ and # flags together.
2253 (scan_char_table): Handle the ' and I flags.
2254 (format_types): Add ' and I flags for scanf.
2256 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
2258 * c-common.c (print_char_table): Use the unpromoted type for
2259 lengths "h" and "hh" with conversions dioxXu.
2260 (check_format_types): Apply the default argument promotions where
2261 the wanted type is not a pointer target.
2263 2000-10-11 Michael Meeks <mmeeks@gnu.org>
2264 Joseph S. Myers <jsm28@cam.ac.uk>
2266 * c-typeck.c (check_modify_expr): New function.
2267 (build_modify_expr): Call it if warn_sequence_point.
2268 * c-decl.c (warn_sequence_point): New variable.
2269 (c_decode_option): Handle -Wsequence-point and
2270 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
2271 * c-tree.h (warn_sequence_point): Declare.
2272 * invoke.texi (-Wsequence-point): Document.
2273 * toplev.c (documented_lang_options): Add -Wsequence-point and
2274 -Wno-sequence-point.
2275 Original work by Michael Meeks, 16 Jun 1998.
2277 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2279 * tree.c (get_narrower): Don't look at precision of field if
2282 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
2284 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
2285 declaration for data with "progmem" attribute.
2287 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
2289 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
2290 Correct insn length if shift count is a memory operand.
2291 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
2292 (*iorhi3_clobber): Change lo8 to hi8.
2293 (zero_extendhisi2): Change %B0 to %A1.
2294 (ashlhi3, ashrhi3): Correct insn length.
2295 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
2296 from "clobber" to "set_n" in some alternatives.
2298 2000-10-10 Jakub Jelinek <jakub@redhat.com>
2300 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
2301 remove its insn_chain structure as well.
2303 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2305 * dbxout.c (dbxout_source_line): Remove extra tab.
2307 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
2309 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
2311 2000-10-09 Richard Henderson <rth@cygnus.com>
2313 * Makefile.in (LANG_LIB2FUNCS): Remove.
2314 (LIB2FUNCS): Remove _pure.
2315 (LIB2ADD): Remove LANG_LIB2FUNCS.
2316 (stage_a): Don't set LANG_LIB2FUNCS.
2317 * libgcc2.c (__terminate): Mark noreturn.
2318 (__pure_virtual): Remove.
2319 * mklibgcc.in: Remove LIB2ADD .txt processing.
2321 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2323 * arm.md (push_multi): Revert unintended change.
2325 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2327 * arm.c: Miscellaneous white space and comment clean-ups. No
2331 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2333 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
2334 STRING_CST by calling combine_strings.
2336 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2338 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
2339 (thumb_output_move_mem_multiple): Support new insn format.
2340 * arm.md (movmem12b): Use SSA compatible format.
2341 (movmem8b): Likewise.
2343 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
2345 * arm.md (predicable): New attribute, default to "no".
2346 (all patterns): Mark as predicable if appropriate.
2347 (conditional execution splits): Split using predication format.
2348 (define_cond_exec): Define.
2349 * arm.c (arm_print_operand): handle insn predicate.
2351 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2353 * README.NS32K: Remove file.
2355 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2357 * README-bugs: Remove file.
2359 2000-10-08 Philipp Thomas <pthomas@suse.de>
2360 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
2362 * configure: Rebuilt.
2364 2000-10-08 Philipp Thomas <pthomas@suse.de>
2365 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
2366 disable catalog building if no suitable program was found.
2367 Move warning message from here
2368 (AM_GNU_GETTEXT): To here.
2369 * configure: Rebuilt.
2371 2000-10-08 Philipp Thomas <pthomas@suse.de>
2372 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
2373 different cache variables.
2374 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
2375 uses different cache variables.
2376 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
2377 * configure: Regenerated.
2379 2000-10-08 Richard Henderson <rth@cygnus.com>
2381 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
2382 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
2383 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
2386 * config/t-linux (SHLIB_EXT): New.
2387 (SHLIB_LINK): Use the entire build command, with substitutions.
2388 (SHLIB_LIBS): Remove.
2389 * config/alpha/t-osf4: Likewise.
2390 * config/mips/t-iris6: Likewise.
2391 * config/sparc/t-sol2: Likewise, but move shlib stuff...
2392 * config/sparc/t-slibgcc-sld: ...here.
2393 * config/sparc/t-slibgcc: New file.
2395 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2397 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
2398 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
2400 (intmax_type_node, uintmax_type_node): Define.
2401 * c-common.c (decl_attributes): If pedantic, warn if `mode'
2402 attributes create a type wider than intmax_t.
2403 (T_IM, T_UIM): Define properly.
2404 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
2406 (init_decl_processing): Initialize intmax_type_node and
2408 * c-lex.c (lex_number): When pedantic and warning for integer
2409 constants that are too large, in C99 mode warn for those that have
2410 a type wider than long long.
2412 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
2414 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
2415 FMT_FLAG_FANCY_PERCENT_OK): Define.
2416 (format_char_info): Add flag "4" to comment.
2417 (format_flag_spec, format_flag_pair): New structures.
2418 (format_kind_info): Add additional fields to control format
2420 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
2421 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
2423 (time_char_table): Use "4" flag to handle %Ey.
2424 (format_types): Add entries for new fields.
2425 (get_flag_spec): New function.
2426 (check_format_info): Increase size of flag_chars[] to 256.
2427 Control format checking using the new fields of a format_kind_info
2428 and the new tables; remove all conditionals on printf_format_type,
2429 scanf_format_type or strftime_format_type. Handle all details of
2430 bad combinations of flags (including width, precision and strftime
2431 modifiers) through data rather than ad hoc code. Handle all
2432 details of standard versions in which flags appeared through
2433 data. Use the "4" flag.
2435 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
2437 * config/h8300/h8300.md: Remove the memory alternative and correct
2438 the insn lengths in the templates for sign extention and zero
2441 2000-10-07 Richard Henderson <rth@cygnus.com>
2443 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
2444 * flow.c (make_edges): Revert last change.
2446 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
2448 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
2450 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
2452 * config/alpha/elf.h: Standardize the formatting.
2454 2000-10-06 David O'Brien <obrien@FreeBSD.org>
2456 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
2459 2000-10-06 Richard Henderson <rth@cygnus.com>
2461 * function.c (diddle_return_value): Examine
2462 current_function_return_rtx instead of the DECL_RESULT.
2463 (expand_function_end): Handle reloading DECL_RESULT from memory
2464 into a hard register. Query promote_mode for sign of mismatched
2467 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2469 * haifa-sched.c (schedule_insns): Fix typo in freeing
2470 forward_dependency_cache.
2472 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2474 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
2475 `TARGET_SH2' as a condition.
2477 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2479 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
2480 forward_dependency_cache): New variables.
2481 (add_dependence, remove_dependence): Use anti_dependency_cache and
2482 output_dependency_cache.
2483 (compute_block_forward_dependences): Use forward_dependency_cache.
2484 (schedule_insns): Allocate and free memory for anti/output/forward
2485 dependencies caches.
2487 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
2489 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
2490 `! TARGET_SH1'. Reindent.
2492 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2494 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
2495 Move functions from here ...
2497 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
2499 (c_expand_builtin): New function.
2500 (init_function_format_info): Don't set `check_function_format_ptr'.
2501 (c_common_nodes_and_builtins): Set built_in_class type for
2502 printf/__builtin_printf to BUILT_IN_FRONTEND.
2503 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
2505 * c-common.h (build_function_call): Declare.
2507 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
2508 to `lang_expand_expr' rather than `expand_builtin'.
2510 * tree.c (check_function_format_ptr): Delete.
2512 * tree.h (check_function_format_ptr): Likewise.
2514 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
2516 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
2517 DW_OP_bregx when cfa->reg > 31.
2519 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
2522 2000-10-05 Richard Henderson <rth@cygnus.com>
2524 * c-decl.c (warn_missing_noreturn): Remove.
2525 (c_expand_body): Don't set or check can_reach_end.
2526 * c-tree.h (warn_missing_noreturn): Move ...
2527 * flags.h: ... here.
2528 (can_reach_end): Remove.
2529 * flow.c (check_function_return_warnings): New.
2530 (make_edges): No edge to exit for noreturn sibcalls.
2531 * function.c (expand_function_end): Save the return value
2532 clobber instruction.
2533 (mark_function_status): Mark it.
2534 * function.h (struct function): Add x_clobber_return_insn.
2535 * jump.c (can_reach_end): Remove.
2536 (calculate_can_reach_end): Remove.
2537 (jump_optimize_1): Don't call it.
2538 * output.h (check_function_return_warnings): Declare.
2539 * toplev.c (warn_missing_noreturn): Move from c-decl.c
2540 (rest_of_compilation): Call check_function_return_warnings.
2542 2000-10-05 Richard Henderson <rth@cygnus.com>
2544 * Makefile.in (NM_FOR_TARGET): New.
2545 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
2546 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
2547 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
2548 shared library build on that and EXTRA_MULTILIB_PARTS.
2549 * mkmap-flat.awk: New file.
2550 * mkmap-symver.awk: New file.
2551 * libgcc-std.ver: New file.
2552 * config/libgcc-glibc.ver: New file.
2553 * config/ia64/libgcc-ia64.ver: New file.
2554 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2555 (SHLIB_LINK): Add --version-script.
2556 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
2557 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2558 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
2559 (SHLIB_LINK): Add -M.
2561 2000-10-05 Richard Henderson <rth@cygnus.com>
2563 * Makefile.in (LIB2FUNCS): Add _clz.
2564 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
2565 (__clz_tab): Put in its own unit, non-static.
2566 * libgcc2.h: Always include longlong.h.
2568 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
2569 a zero instead of -1.
2570 (count_trailing_zeros): Likewise.
2572 2000-10-05 Richard Henderson <rth@cygnus.com>
2574 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
2575 when second op1 is const0_rtx. Validate op0 as a register.
2576 * config/alpha/alpha.md (setcc_internal): Don't allow constants
2577 in the first argument of the compare.
2578 (setcc_swapped_internal): Likewise.
2579 (setne_internal): Likewise.
2581 2000-10-05 Geoff Keating <geoffk@cygnus.com>
2583 * tree.c (tree_size): New function split out of copy_node.
2584 (make_node): Remove obstack handling. Use tree_size.
2585 (copy_node): Use tree_size.
2586 * tree.h: Prototype tree_size.
2588 2000-10-05 Richard Henderson <rth@cygnus.com>
2590 * diagnostic.c (output_format): Add missing break.
2592 2000-10-05 Jim Wilson <wilson@cygnus.com>
2594 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
2595 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
2596 sequence insn to INSN, and delete last sequence insn.
2598 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
2600 * gcc.c (main): Include generated configargs.h header
2601 and use arguments in '-v' output.
2603 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2605 * gcc.c: Move data on prefixes forward in file and reorganize.
2606 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
2607 Always define, but make null if no value.
2608 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
2609 and "md_startfile_prefix_1".
2610 (main): Check whether md_exec_prefix and the others are the
2611 null string rather than whether the macro is defined.
2613 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2615 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
2616 from PSImode to SImode.
2618 2000-10-05 Jakub Jelinek <jakub@redhat.com>
2620 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
2621 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
2622 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
2625 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2627 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
2628 negation in proper type.a
2630 2000-10-04 Richard Henderson <rth@cygnus.com>
2632 * configure.in (enable-shared): New.
2633 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
2634 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
2635 * mklibgcc.in: Use them to link shared a libgcc.
2636 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
2637 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
2638 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
2639 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
2641 * configure.in (alpha-osf*): Use t-osf and x-osf.
2642 * config/alpha/t-osf: New file.
2643 * config/alpha/t-osf4: New file.
2644 * config/alpha/x-osf: New file.
2645 * config/alpha/x-alpha: Remove file.
2647 2000-10-04 Will Cohen <wcohen@redhat.com>
2649 * c-typeck.c (process_init_element): Added warning for zero-length
2652 * extend.texi (Zero Length): State that static initializers for
2653 zero-length arrays are not allowed.
2655 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
2657 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
2660 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2662 * config/float-c4x.h: New.
2663 * configure.in (c4x-*): Set float_format to c4x.
2664 * configure: Regenerate.
2666 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2668 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
2669 compilation for solaris versions 2.7 and greater.
2671 2000-10-02 Marc Espie <espie@openbsd.org>
2673 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
2674 instead of redefining from scratch.
2676 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
2678 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
2680 2000-10-01 Mark Mitchell <mark@codesourcery.com>
2682 * config/ns32k/genix.h: Remove.
2683 * config/ns32k/x-genix: Likewise.
2684 * config/ns32k/xm-genix.h: Likewise.
2685 * config/fx80: Remove all filee in directory.
2686 * config/pyr: Likewise.
2687 * config/tahoe: Likewise.
2688 * config/gmicro: Likewise.
2689 * config/spur: Likewise.
2690 * configure.in: Remove configury bits for above targets.
2691 * configure: Regenerated.
2693 * configure.in: Don't configure chill by default.
2694 * configure: Regenerated.
2696 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
2697 (lang_mark_false_label_stack): Remove.
2698 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
2699 <top level> string in GC area.
2700 (mark_splay_tree_node): New function.
2701 (mark_splay_tree): Likewise.
2702 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
2704 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
2705 * ggc-common.c (lang_mark_false_label_stack): Change type.
2706 * ggc.h (ggc_alloc_string): Add comment.
2707 (ggc_strdup): New function.
2709 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
2711 * config/avr/avr.h (BRANCH_COST): Define as 0.
2713 * config/pdp11/pdp11.c: #include "tree.h" added.
2715 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
2717 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
2718 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
2719 with known shift count.
2720 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
2721 New alternative for shift count 2 with no scratch register.
2722 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
2723 "set_n" for shift counts 1 and 2.
2725 2000-09-30 Geoff Keating <geoffk@cygnus.com>
2727 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
2728 the mask value from the individual SET operations.
2729 (return_internal_si): Move the USE after the RETURN.
2730 (return_internal_di): Likewise.
2731 (return_and_restore_fpregs_si): Likewise.
2732 (return_and_restore_fpregs_di): Likewise.
2733 (return_eh_si): Likewise.
2734 (return_eh_di): Likewise.
2735 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
2737 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
2738 Don't generate a PARALLEL around a single operation movsi_to_cr.
2739 Generate the RETURN first in any PARALLELs.
2741 * rtlanal.c (single_set_1): Use fatal_insn to display the
2742 invalid insn. Check for more cases when a USE or CLOBBER occurs
2744 * Makefile.in: Update dependencies for rtlanal.o.
2746 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2748 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
2750 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
2752 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
2753 Consistently use @email for formatting email addresses.
2755 2000-09-29 Richard Henderson <rth@cygnus.com>
2757 * cse.c (notreg_cost): New argument outer.
2758 (COST): Pass in SET to notreg_cost
2760 (fold_rtx): Use COST_IN. Prefer constants when costs
2763 2000-09-29 David Edelsohn <edelsohn@gnu.org>
2765 * fixinc/inclhack.def (broken_cabs): Generalize regex.
2766 * fixinc/fixincl.x: Regenerate.
2768 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2770 * loop.c (check_final_value): A GIV is not replaceable if used
2773 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
2775 * version.c: Bump to gcc-2.97.
2777 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
2779 * final.c (final_scan_insn): Remove extra extract_insn call;
2780 Use caching for constrain_operands.
2781 (cleanup_subreg_operands): Use caching for extract_insn.
2782 * recog.c (constrain_operands_cached): New.
2783 * recog.h (constrain_operands_cached): Declare.
2784 * i386.c (ix86_attr_length_immediate_default,
2785 ix86_attr_length_address_default, ix86_agi_dependant): Cache
2788 * recog.c (asm_noperands): Tweak.
2789 (extract_insn): Do not call asm_noperads for non-asm instructions.
2791 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2793 * recog.c (recog_memoized): Rename to recog_memoized_1.
2794 * recog.h (recog_memoized): Rename to recog_memoized_1.
2795 (recog_memoized): New macro.
2796 * rtl.h (single_set): Rename to single_set_1
2797 (single_set): New macro.
2798 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
2801 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
2802 Do not use match_dup of input operands at outputs.
2803 Use register_operand for memory expression.
2804 (rep_movsi): Put use last, canonicalize.
2805 Use register_operand for memory expression.
2806 (rep_movqi): Put use last.
2807 Use register_operand for memory expression.
2808 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
2809 of input operands at outputs. Use register_operand for memory
2811 (rep_stossi): Put use last; canonicalize; fix match_dup in
2812 the address expression
2813 (rep_stosqi): Likewise.
2814 (memcmp expander): Update calls.
2815 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
2818 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
2820 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
2822 2000-09-28 David O'Brien <obrien@FreeBSD.org>
2824 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
2825 Contains the old contents of config/i386/freebsd.h
2826 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
2827 Contains the old contents of config/i386/freebsd-elf.h
2828 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
2829 config/i386/freebsd.h.
2830 * configure.in: Adjust for above changes.
2831 * po/POTFILES.in: Likewise.
2832 * po/en_GB.po: Likewise.
2833 * po/gcc.pot: Likewise.
2834 * configure: Rebuilt.
2836 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2838 * doloop.c (doloop_modify): Prevent delete_insn() from
2839 deleting too much. Prefer loop->top over loop->start as
2840 target for the new JUMP insn.
2841 (doloop_valid_p): Ignore loop with exit_count != 0.
2843 2000-09-28 Philipp Thomas <pthomas@suse.de>
2845 * invoke.texi (i386 Options): Add athlon to table of possible
2848 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
2850 * diagnostic.h (output_clear_message_text): New function.
2851 (output_message_text): New macro.
2853 * diagnostic.c (clear_text_info): Rename to
2854 output_clear_message_text.
2855 (output_clear): Adjust.
2856 (output_finish): Rename to output_finalize_message. Tweek.
2857 (output_to_stream): Adjust.
2859 2000-09-28 Neil Booth <neilb@earthling.net>
2861 * cpperror.c (_cpp_begin_message): Do the test for suppression
2862 of warnings and pedantic warnings before the "is a warning an
2864 * cppinit.c (cpp_handle_option): Remove surplus \n.
2865 * cpplex.c (ON_REST_ARG): Delete.
2866 (skip_block_comment): Initialise prevc.
2867 (parse_args): Improve error messages.
2868 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
2870 * cpplib.c (cpp_push_buffer): Fix grammar in message.
2871 * cppmain.c (main): Set callbacks for #ident and #pragma
2872 only if no_output option is false.
2873 (do_pragma_implementation): Only call the #pragma handler
2874 if it is set in the cpp_reader structure.
2876 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
2878 * integrate.c (copy_insn_list): if an ignored return value
2879 is being clobbered, skip cloning that into the inline copy.
2881 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
2883 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
2884 use @uref for formatting URLs.
2886 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
2888 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
2891 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
2893 * gcc.c (cpp_options): Add spec for -ftabstop=.
2894 (invoke_as): New spec that handles invoking as.
2895 Update specs to handle -save-temps and -traditional.
2896 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
2898 * cp/lang-specs.h, objc/lang-specs.h: Update to use
2899 invoke_as, and handle -save-temps and -traditional (if
2902 2000-09-26 Jakub Jelinek <jakub@redhat.com>
2904 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
2906 (function_arg_slotno): Accept TImode/CTImode.
2907 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
2910 2000-09-26 Michael Hayes <mhayes@cygnus.com>
2912 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
2915 2000-09-25 Jim Wilson <wilson@cygnus.com>
2917 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
2918 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
2919 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
2920 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
2922 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
2924 * cpplex.c (parse_args): Don't set VOID_REST flag.
2925 (CONTEXT_VARARGS): New flag.
2926 (maybe_paste_with_next): Set context earlier in loop. Use
2927 it. Do varargs test with CONTEXT_VARARGS flag.
2928 (push_arg_context): Set CONTEXT_VARARGS flag if we're
2929 pushing an argument context for a varargs argument.
2930 * cpplib.h (VOID_REST): Delete.
2931 * gcc.dg/cpp/vararg1.c: Add test case.
2933 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
2935 * flags.h: Declare warning flag warn_system_headers.
2936 * toplev.c: Define it.
2937 (W_options): Add option -Wsystem-headers.
2938 * diagnostic.c (count_error): Test warn_system_headers.
2939 * invoke.texi: Add description for -Wsystem-headers.
2940 * cpplib.h (cpp_options): New member warn_system_headers.
2941 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
2942 CPP_IN_SYSTEM_HEADER.
2943 * cpplib.c (do_import, do_pragma_once): Likewise.
2944 * cpperror.c (_cpp_begin_message): Test warn_system_headers
2945 and CPP_IN_SYSTEM_HEADER.
2946 * cppinit.c (handle_option): Recognize -Wsystem_headers.
2947 (print_help): Describe -Wsystem_headers.
2948 * cpplex.c (lex_line): Reorganize condition so that warnings
2949 about C++ comments in system headers can be enabled. Remove
2950 label do_line_comment.
2952 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
2954 * cpplex.c (save_comment): Only store the initial '/'
2956 (lex_token): Combine handling of the two comment types.
2957 Pass everything but the initial '/' to save_comment.
2959 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
2961 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
2962 _cpp_can_paste): New library-internal prototypes.
2963 * cpplex.c (dump_param_spelling, output_line_command,
2964 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
2965 cpp_printf, cpp_output_list): Move to cppoutput.c.
2966 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
2967 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
2969 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
2970 dump_param_spelling, output_line_command, cpp_scan_buffer,
2971 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
2973 * Makefile.in: Add cppoutput.c.
2974 * po/POTFILES.in: Add cppoutput.c.
2976 2000-09-25 Richard Henderson <rth@cygnus.com>
2978 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
2979 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
2980 split until after reload.
2981 (rotlsi3, rotldi3): New.
2983 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
2985 * diagnostic.c (output_last_position): Define.
2986 (set_real_maximum_length): Tweek.
2987 * diagnostic.h (output_last_position): Declare.
2989 2000-09-25 Kazu Hirata <kazu@hxi.com>
2991 * config/i386/i386.c: Fix formatting.
2993 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
2995 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
2996 UNITS_PER_WORD is small.
2998 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
3000 * c-common.c (format_char_info): Add flags2; update comments.
3001 (print_char_table, scan_char_table, time_char_table): Split some
3002 flags out into flags2.
3003 (check_format_info): Use flags2 for those flags, for identifying
3004 the initial character of a scanf scanset, and for identifying
3005 printf formats where the '0' flag is ignored with precision.
3007 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
3009 Changes below marked "here" add TABs on either or both sides,
3010 covering start of line, up to any operand for all noted .*ASM.*_OP
3011 definitions. All callers changed.
3012 * tm.texi: Make documented *_ASM.*_OP:s include spacing
3013 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
3014 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3015 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
3016 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
3017 Fix typos in description for LONG_LONG_TYPE_SIZE and
3018 FINI_SECTION_ASM_OP.
3019 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
3020 why these defaults don't have leading spacing.
3021 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
3022 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3023 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
3024 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
3025 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
3026 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
3027 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
3028 * varasm.c (ASM_STABS_OP): Here.
3029 * xcoffout.h (ASM_STABS_OP): Here.
3030 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
3031 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
3032 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
3033 STRING_ASM_OP): Here.
3034 * config/freebsd.h (IDENT_ASM_OP): Here.
3035 * config/linux-aout.h (SET_ASM_OP): Here.
3036 * config/linux.h (SET_ASM_OP): Here.
3037 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3039 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
3040 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
3041 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
3042 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3044 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
3045 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
3046 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
3047 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3048 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
3049 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3050 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
3051 * config/a29k/udi.h (INT_ASM_OP): Here.
3052 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
3053 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
3055 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
3056 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3057 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3058 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
3059 ASM_STABD_OP): Here.
3060 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
3061 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
3062 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3063 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
3064 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
3065 SIZE_ASM_OP, STRING_ASM_OP): Here.
3066 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
3067 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
3068 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
3069 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
3070 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
3071 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
3073 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3074 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
3075 * config/arm/coff.h (INT_ASM_OP): Here.
3076 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
3077 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
3078 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
3079 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
3080 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
3081 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3082 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
3083 STRING_ASM_OP): Here. Update documentation copy in comments.
3084 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
3085 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
3086 DATA_SECTION_ASM_OP): Here.
3087 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
3089 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
3090 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
3091 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3092 BSS_SECTION_ASM_OP): Here.
3093 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3094 BSS_SECTION_ASM_OP): Here.
3095 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3097 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
3098 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
3099 * config/h8300/h8300.h (ASM_WORD_OP): Here.
3100 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3101 BSS_SECTION_ASM_OP): Here.
3102 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
3103 * config/i386/bsd.h (ASM_BYTE_OP): Here.
3104 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
3105 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
3106 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
3108 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
3109 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
3111 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
3112 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3113 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
3114 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
3116 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
3117 * config/i386/netbsd.h (INT_ASM_OP): Here.
3118 * config/i386/openbsd.h (INT_ASM_OP): Here.
3119 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
3120 IDENT_ASM_OP): Here.
3121 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
3122 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
3123 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
3124 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
3125 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
3126 SHARED_BSS_SECTION_ASM_OP): Here.
3127 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
3128 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3129 DATA_SECTION_ASM_OP): Here.
3130 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3131 CONST_SECTION_ASM_OP): Here.
3132 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
3133 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3134 BSS_SECTION_ASM_OP): Here.
3135 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
3136 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
3137 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
3138 BSS_ASM_OP): Here, but use trailing spaces.
3139 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3140 DATA_SECTION_ASM_OP): Here.
3141 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
3143 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
3144 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
3145 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3146 TDESC_SECTION_ASM_OP): Here.
3147 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
3148 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3149 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3151 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3152 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
3153 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3154 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
3155 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
3156 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
3157 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3158 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
3159 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
3160 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
3161 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
3162 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
3164 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
3165 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3166 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
3167 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
3168 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
3169 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
3170 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
3171 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3172 GLOBAL_ASM_OP): Here.
3173 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
3174 BSS_SECTION_ASM_OP): Here.
3175 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
3176 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3177 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
3178 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
3180 * config/m68k/newsgas.h (SET_ASM_OP): Here.
3181 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
3182 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
3183 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
3184 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
3185 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
3186 but use trailing spaces.
3187 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
3188 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
3189 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
3191 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3192 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
3193 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3194 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
3195 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3196 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
3197 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
3198 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
3199 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
3200 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
3201 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3202 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
3204 * config/m88k/openbsd.h (SET_ASM_OP): Here.
3205 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3206 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
3207 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
3208 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
3209 DTORS_SECTION_ASM_OP): Here.
3210 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
3211 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3212 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
3213 BSS_SECTION_ASM_OP): Here.
3214 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
3215 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
3216 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
3217 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
3218 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
3219 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
3220 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
3221 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
3223 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
3225 * config/mips/osfrose.h (SET_ASM_OP): Here.
3226 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
3227 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
3228 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
3229 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3231 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
3232 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
3233 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
3234 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
3235 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
3236 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3238 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3240 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
3241 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
3242 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
3244 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
3245 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
3246 * config/sparc/linux.h (COMMON_ASM_OP): Here.
3247 * config/sparc/linux64.h (COMMON_ASM_OP,
3248 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
3249 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
3250 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
3251 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
3252 * config/sparc/pbd.h (ASM_INT_OP): Here.
3253 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
3254 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
3255 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
3256 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
3257 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
3258 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
3259 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
3260 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
3261 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
3262 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3263 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
3264 EH_FRAME_SECTION_ASM_OP): Here.
3265 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
3266 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3268 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3270 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
3271 TCOMMON_ASM_OP): Here.
3272 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
3274 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
3277 2000-09-25 Richard Henderson <rth@cygnus.com>
3279 * expmed.c (store_bit_field): Adjust last change to not consider
3280 any word-sized field naturally aligned.
3282 2000-09-24 Richard Henderson <rth@cygnus.com>
3284 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
3285 TFmode unordered compares properly. Revalidate integer compare
3287 (alpha_emit_setcc): New.
3288 (alpha_emit_conditional_move): Revalidate integer compare operands.
3289 * config/alpha/alpha-protos.h: Update.
3290 * config/alpha/alpha.md (cmpdi): Allow general operands.
3291 (sne): Use alpha_emit_setcc.
3292 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
3293 (sunordered, sordered): New.
3295 2000-09-24 Richard Henderson <rth@cygnus.com>
3297 * config/ia64/ia64-protos.h: Update.
3298 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
3299 (ia64_expand_call): New.
3300 (ia64_expand_prologue): Emit an alloc if we need extra input
3302 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
3303 instruction if true.
3304 (struct reg_flags): Add is_sibcall.
3305 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
3306 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
3307 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
3308 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3309 * config/ia64/ia64.md (call): Use ia64_expand_call.
3310 (call_value): Likewise.
3311 (sibcall, sibcall_value): New.
3312 (call patterns): Remove extra expanders; tidy.
3313 (sibcall_epilogue): New.
3314 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
3316 2000-09-24 Richard Henderson <rth@cygnus.com>
3318 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
3320 * sibcall.c (skip_pic_restore): New.
3321 (identify_call_return_value): Use it.
3323 2000-09-24 Mark Mitchell <mark@codesourcery.com>
3325 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
3326 functions. Generalize to handle both C and C++.
3327 * Makefile.in (c-tree.info): New target.
3328 (info): Add c-tree.info.
3330 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3332 * expr.c (store_field): If BITSIZE is negative, use size of type.
3333 (expand_expr, case COMPONENT_EXPR): Likewise.
3335 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
3337 * cpplex.c: Update TODO comment.
3338 * cpplib.c (do_error, do_warning): Merge common code of
3339 do_error and do_warning into do_diagnostic. Use it.
3340 (do_diagnostic): New function.
3341 * cpplib.h: Fix comment typo.
3343 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3345 * c-common.c (check_format_info): Warn for a wide character string
3346 used as a non-wide format argument.
3348 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3350 * builtins.def (BUILT_IN_LLABS): Add.
3351 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
3352 * c-common.c (c_common_nodes_builtins): Create builtin functions
3353 __builtin_llabs, and plain llabs unless no_nonansi_builtins
3354 outside of C99 mode.
3355 (expand_tree_builtin): Handle BUILT_IN_LLABS.
3357 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
3359 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
3360 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
3361 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
3362 _cpp_free_toklist): No need to worry about extra dummy token
3363 at the start of token lists any more.
3364 (trigraph_ok): Only warn outside comments.
3365 (skip_block_comment): Set and clear lexing_comment.
3366 (skip_line_comment): Take a cpp_reader not cpp_buffer.
3367 Set and clear lexing_comment.
3368 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
3369 (check_long_token): Delete.
3370 (lex_percent, lex_dot): New subroutines of lex_token to
3371 handle lexing of '.' and '%' without lookback.
3372 (lex_token): Use lex_dot and lex_percent.
3373 (lex_line): Don't check for LIST_OFFSET.
3374 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
3375 * cpplib.c (_cpp_parse_assertion): Similarly.
3376 (cpp_push_buffer): Initialize extra_char.
3377 * cpplib.h (LIST_OFFSET): Delete.
3378 (struct cpp_buffer): New member extra_char.
3379 (struct lexer_state): New members lexing_comment and seen_dot.
3381 2000-09-23 Jason Merrill <jason@redhat.com>
3383 * config/rs6000/x-aix41 (CLIB): Define here.
3384 * config/rs6000/t-aix43: Not here.
3385 * config/rs6000/t-aix41: Or here. Remove.
3386 * configure.in: Don't use it.
3388 2000-09-22 Jason Merrill <jason@redhat.com>
3390 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
3391 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
3392 * config.in: Regenerate.
3394 * configure.in: Fix checks for assembler features when using a
3395 one-tree assembler that has not yet been built.
3396 Fix --disable-threads.
3398 2000-09-19 Geoff Keating <geoffk@cygnus.com>
3400 * stmt.c (expand_asm_operands): Allow # in constraints.
3402 2000-09-22 Jason Merrill <jason@redhat.com>
3404 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
3406 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
3407 function-local names.
3409 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
3410 Mark Mitchell <mark@codesourcery.com>
3412 * toplev.c (warn_disabled_optimization): Declare new warning flag.
3413 * flags.h (warn_disabled_optimization): Add it here.
3414 * gcse.c (gcse_main): Add warning when disabled.
3415 * invoke.texi: Document -Wdisabled-optimization.
3417 2000-09-21 Jason Merrill <jason@redhat.com>
3419 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
3421 * dwarf2out.c (tree_add_const_value_attribute): New fn.
3422 (gen_variable_die): Call it for non-definitions.
3424 * dwarf2out.c (die_struct): Add die_mark field.
3425 (mark_dies, unmark_dies): New fns.
3426 (clear_die_sizes): Remove.
3427 (print_die): Check die_symbol rather than die_offset.
3428 (build_abbrev_table, output_pubnames, output_aranges): Check
3429 die_mark rather than die_offset.
3430 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
3433 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
3435 * cppfiles.c (lookup_include_file): Rename to open_file.
3436 Always create a splay tree value, even on syscall failures.
3437 Negative entries indicated by fd == -2.
3438 Re-open files closed in the meantime.
3439 (_cpp_fake_include): Create a negative splay tree entry.
3440 (find_include_file, cpp_read_file): Update for function name
3442 * gcc.gd/cpp/mi4.c: Testcase.
3444 2000-09-21 Nick Clifton <nickc@redhat.com>
3446 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
3447 ARM and THUMB modes.
3449 * config/mcore/mcore.c: Fix compile time warnings.
3450 * config/mcore/mcore-protos.h: Fix compile time warnings.
3452 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3454 * configure.in: Correct test of gcc_cv_glibc.
3455 * configure: Rebuilt.
3456 * config.in: Rebuilt.
3458 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3460 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
3461 (expand_builtin): Handle BUILT_IN_FWRITE.
3463 * builtins.def (BUILT_IN_FWRITE): New entry.
3465 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
3467 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3469 * gcc.c (modify_target): New variable and struct.
3470 (process_command): Handle MODIFY_TARGET_NAME.
3471 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
3472 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
3474 * c-decl.c (finish_decl): Add else's to avoid referencing
3475 TYPE_DOMAIN of an ERROR_MARK.
3477 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
3479 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
3482 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
3484 * config/avr/avr.md (neghi2): Add alternative for input and output
3485 operands in different registers, as in negsi2.
3486 (*negsi2): Remove '*' from the name. Use "movw" if available.
3488 2000-09-19 Jim Wilson <wilson@cygnus.com>
3490 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
3491 HAVE_GAS_HIDDEN macro.
3493 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
3495 * cpplex.c (lex_line): Drop the EOF token for unknown
3496 directives in assembler.
3498 2000-09-19 David Edelsohn <edelsohn@gnu.org>
3500 * configure.in: Allow enable_threads_flag value of "aix". Define
3501 thread_file as "aix" for AIX 4.3 and above.
3502 * configure: Regenerated.
3504 * gthr-aix.h: New file.
3506 * rs6000/t-aix43: Replace soft-float multilib with pthread.
3507 Remove 403 processor multilib match. Fix rios2 processor multilib
3510 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
3511 to return to appropriate csect.
3513 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3515 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
3517 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
3518 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
3521 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
3524 * c-common.c (init_function_format_info): Handle __builtin_printf.
3525 Set `check_function_format_ptr'.
3526 (c_common_nodes_and_builtins): Set `puts_ftype' and
3527 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
3528 __builtin_printf and printf.
3530 * tree.c, tree.h (check_function_format_ptr): Declare.
3532 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
3534 * cppfiles.c (read_include_file): Take no special action for
3537 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
3539 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
3540 rather than that of branch.
3541 (shorten_branches): Don't increment insn_current_address twice.
3543 Undo most of the Wed Jan 27 23:39:53 1999 patch:
3544 * loop.h (struct induction): Delete members derived, ix and last_use.
3545 (struct loop_ivs): Delete members first_increment_giv and
3547 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
3548 recombine_givs): Delete functions.
3549 (find_and_verify_loops): Don't initialize cont_dominator.
3550 (strength_reduce): Lose code to try to find bivs that can be
3551 expressed as givs of another biv, and to convert biv increments
3553 Lose loop_scan_start variable, always use loop->scan_start.
3554 Don't call recombine_givs. Don't handle derived givs.
3555 (record_giv): Don't initialize derived and last_use fields.
3556 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
3558 * unroll.c (derived_regs): Delete static variable.
3559 (unroll_loop): Don't initialize it.
3560 (copy_loop_body): Lose code to handle derived givs.
3561 (find_splittable_givs): Don't check for givs made from biv
3563 Don't set derived_regs.
3565 Fix misapplied earlier patch:
3566 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
3568 (floatsisf2): Generate floatsisf_ie by default.
3569 (floatsisf_i4): Conditional on TARGET_SH4.
3571 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
3572 predicate for the expanders.
3574 2000-09-19 Richard Henderson <rth@cygnus.com>
3576 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
3577 in addition to pentium and pentiumpro symbols.
3578 (CPP_CPU_DEFAULT_SPEC): Likewise.
3580 * c-typeck.c (c_expand_asm_operands): Restore the output tree
3583 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
3584 if the tree has side effects.
3585 (warn_if_unused_value): Do not warn about void constructs.
3587 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
3589 * unroll.c (copy_loop_body): Update LABEL_NUSES before
3590 calling invert_jump.
3592 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3594 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
3597 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3599 * Makefile.in (c-common.o): Depend on diagnostic.h.
3601 * c-common.c: Include diagnostic.h.
3603 (status_warning): New function.
3604 (check_format_info, maybe_read_dollar_number, check_format_types,
3605 finish_dollar_format_checking, check_function_format): Accept a
3606 `status' parameter. All callers changed.
3608 * c-common.h (check_function_format): Accept a `status' parameter.
3610 * c-typeck.c: Update call to `check_function_format'.
3612 2000-09-18 Richard Henderson <rth@cygnus.com>
3614 * c-decl.c (c_expand_body): Call mark_varargs before
3615 expand_function_start.
3617 2000-09-18 Geoff Keating <geoffk@cygnus.com>
3619 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
3620 * config/rs6000/eabi-ci.asm: Likewise.
3622 2000-09-18 Richard Henderson <rth@cygnus.com>
3624 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
3627 2000-09-18 Jim Wilson <wilson@cygnus.com>
3629 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
3630 before passing it to fold_rtx_mult_add.
3632 * unroll.c (final_giv_value): Pass increment through
3633 extend_value_for_giv before passing it to emit_iv_add_mult.
3635 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
3636 paradoxical subreg, then directly substitute the replacement and
3639 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
3641 * cpp.texi: Update documentation, including some clarifications,
3642 the treatment of various newline combinations, and space between
3643 backslash and newline.
3645 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3647 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
3648 Replace ASM_OUTPUT_LABELREF with assemble_name.
3650 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
3652 * sh.c (addsubcosts): CONST is not cheap.
3653 (find_barrier): For Sh1, take alignment after jumps into account.
3655 2000-09-15 Andrew Haley <aph@redhat.com>
3657 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
3658 remove all SETs of SUBREGs of hard registers.
3659 * function.c (purge_hard_subreg_sets): New function.
3660 (purge_single_hard_subreg_set): New function.
3661 * rtl.h: (purge_hard_subreg_sets): New function.
3663 2000-09-18 Richard Henderson <rth@cygnus.com>
3665 * config/ia64/ia64-protos.h: Update.
3666 * config/ia64/ia64.c (signed_inequality_operator): New.
3667 (ia64_expand_compare): New.
3668 (ia64_register_move_cost): Handle PR_REGS moves.
3669 (ia64_secondary_reload_class): Require a GR when moving to a PR.
3670 (struct reg_write_state): Add written_by_and/or.
3671 (struct reg_flags): Add is_and/or.
3672 (rws_update): Set them.
3673 (rws_access_regno): Test them to allow parallel comparisons.
3674 (rtx_needs_barrier): Recognize parallel comparisons.
3675 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
3676 Call recog_memoized; ignore pred_rel_mutex.
3677 (emit_predicate_relation_info): Don't call find_basic_blocks here.
3678 (ia64_reorg): Do it here instead.
3679 * config/ia64/ia64.h: s/CCmode/BImode/g
3680 (MODES_TIEABLE_P): Don't tie BImode.
3681 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
3682 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
3683 (RTX_COSTS): Make multiply 4 insns.
3684 (MEMORY_MOVE_COST): New.
3685 (PREDICATE_CODES): Update.
3686 * config/ia64/ia64.md: s/CCmode/BImode/g
3687 (movcci, movbi): New.
3688 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
3689 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
3690 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
3691 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
3692 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
3693 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
3694 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
3695 (mulsi, muldi): Use xmpy not xma.
3697 (movcc, movcc_internal): Remove.
3698 (branch expanders): Use ia64_expand_compare.
3699 (setcc expanders): Likewise.
3700 (cmov insns): Use move_operand and ia64_move_ok.
3701 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
3702 scheduler from moving it past a use.
3703 * config/ia64/build.hacks: Remove.
3705 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
3707 * cpphash.h (HASHSTEP): Take character rather than pointer
3709 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
3711 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
3713 * cpplex.c (auto_expand_name_space, trigraph_replace,
3714 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
3715 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
3716 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
3717 KNOWN_DIRECTIVE): Delete.
3719 (handle_newline, check_long_token, skip_escaped_newlines,
3720 unterminated): New functions.
3721 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
3723 (parse_identifier): Was parse_name, new implementation.
3724 (skip_line_comment, skip_block_comment, skip_whitespace,
3725 parse_number, parse_string, trigraph_ok, save_comment,
3726 adjust_column, _cpp_get_line): New implementations.
3728 (lex_token): New function. Lexes a token at a time, looking
3729 forwards. Contains most of the guts of the old lex_line.
3730 (lex_line): New implementation, using lex_token to obtain
3732 (cpp_scan_buffer): Use the token's line, not the list's line.
3734 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
3735 New implementations.
3736 (do_assert): Don't bother setting the answer's list's line.
3737 (cpp_push_buffer): Initialise new pfile and read_ahead members
3738 of struct cpp_buffer.
3740 * cpplib.h (cppchar_t): New typedef.
3741 (struct cpp_buffer): read_ahead, pfile and col_adjust are
3743 (struct lexer_state): New structure that determines the state
3744 and behaviour of the lexer.
3745 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
3746 (struct cpp_reader): New member "state". Rename
3747 multiline_string_line and multiline_string_column. Delete
3748 col_adjust, in_lex_line members.
3749 (CPP_BUF_COLUMN): Update.
3751 2000-09-18 Richard Henderson <rth@cygnus.com>
3753 * combine.c (simplify_comparison): Shift a NOT out of a single
3756 * combine.c (if_then_else_cond): Canonicalize BImode true to
3758 * explow.c (trunc_int_for_mode): Likewise.
3760 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
3761 the NOT for De Morgan's rule.
3762 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
3763 of a comparison to the reverse comparison.
3765 * combine.c (try_combine): Allow split to create a single insn.
3767 * machmode.def: Add BImode. Add a column for bitsize.
3768 * machmode.h (DEF_MACHMODE): Adjust for extra column.
3769 (GET_MODE_BITSIZE): Use it.
3770 * rtl.c (DEF_MACHMODE): Adjust for extra column.
3771 (mode_bitsize): New.
3772 (mode_mask_array): Use bitsize.
3773 * combine.c (combine_simplify_rtx): Require inner and outer
3774 modes to match on nonzero_bits optimizations.
3776 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3778 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
3779 its entry in spill_reg_store.
3780 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
3781 * sh.c (reg_no_subreg_operand): New function.
3782 * sh-protos.h (reg_no_subreg_operand): Declare it.
3783 * sh.h (PREDICATE_CODES): Add it.
3784 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
3785 input operand that needs to be in fpul.
3786 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
3787 * sh.c (find_barrier): Take into account that machine_dependent_reorg
3788 might add new insns.
3790 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
3792 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
3794 (sh_expand_epilogue): Take the PIC register into account when
3795 computing the frame size.
3797 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
3798 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
3799 LABEL_REFs with a PIC-safe unspec.
3801 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3803 * c-common.c (check_format_info): Properly save the argument
3804 number and parameter for $ operand number formats in case width
3805 and precision arguments are also used. Allow printf width and
3806 precision arguments to have operand numbers even if none was
3807 specified for the main format, since this is OK for %*.*m. Only
3808 object to missing $ operand number if the format used requires an
3811 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3813 * c-common.c (format_char_info): Add 'W' flag to comment.
3814 (print_char_table, scan_char_table): Use it.
3815 (check_format_info): Use the 'W' flag to determine whether a
3816 format argument is written into.
3818 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3820 * c-common.c (check_format_types): Reorganise and clean up,
3821 checking earlier for ERROR_MARKs and making cur_type into its
3822 TYPE_MAIN_VARIANT where convenient.
3824 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
3826 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
3828 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
3830 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
3832 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
3833 * i386.c (struct builtin_description): New.
3834 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
3835 (mmx_reg_operand): Declare MODE arg as unused.
3836 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
3837 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
3838 ix86_expand_binop_builtin, ix86_expand_store_builtin,
3839 ix86_init_builtins, ix86_expand_builtin): New functions.
3840 * i386.h (ix86_builtins): New enumeration.
3841 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
3842 * i386.md (attr length_immediate): 0 for mmx/sse types.
3843 (attr prefix_0f): 1 for mmx/sse types.
3844 (setcc_2): Remove "*" so we get gen_setcc_2.
3845 (emms): Account for changed register numbering. Set "memory" attr
3847 (sfence): Set "memory" attr to unknown.
3849 2000-09-18 Andreas Jaeger <aj@suse.de>
3851 * configure.in: Define _GNU_SOURCE only when using the GNU C
3853 * configure: Regenerated.
3854 * config.in: Regenerated.
3856 2000-09-17 Mark Mitchell <mark@codesourcery.com>
3858 * cppinit.c (cpp_init): Don't use ANSI prototypes.
3859 * flow.c (flow_dump_loop): Likewise.
3860 (flow_loops_dump): Likewise.
3862 * c-typeck.c (c_start_case): Fix typo.
3864 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3866 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
3867 to int for plain complex which defaults to complex double. Do
3868 warn about defaulting to complex double if pedantic. Warn about
3869 complex integer types if pedantic. Warn about complex types if
3870 pedantic and not in C99 mode.
3871 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
3872 for complex conjugation.
3874 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
3876 * contrib.texi: Update my entry.
3878 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
3880 * config/avr/avr.md (mcu_enhanced): New attribute.
3881 (mcu_mega): Likewise.
3882 (extendhisi2): Use mcu_enhanced.
3883 (zero_extendhisi2): Likewise.
3884 (call_insn): Use mcu_enhanced and mcu_mega.
3885 (call_value_insn): Likewise.
3886 (*sbrx_branch): Use mcu_mega.
3887 (*sbrx_and_branchsi): Likewise.
3888 (*sbrx_and_branchhi): Likewise.
3889 (*tablejump_lib): Likewise.
3891 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3893 * alias.c (true_dependence): Allow non-unchanging read to conflict
3894 with unchanging write.
3896 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
3897 (store_constructor): Pass alias_set to it.
3899 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
3900 TYPE_MAIN_VARIANT of ERROR_MARK.
3901 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
3903 * simplify-rtx.c (simplify_unary_operation): Add cases
3904 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
3906 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
3908 * expr.h (emit_library_call, emit_library_call_value): Delete
3910 * rtl.h (enum libcall_type): New.
3911 (emit_library_call, emit_library_call_value): Change fn_type arg to
3912 be of type enum libcall_type.
3913 * calls.c: Likewise for the function definitions. Several callers
3914 throughout changed to use the new enumeration appropriately.
3915 (emit_library_call_value_1): Likewise. Put back code to make libcall
3916 blocks of equal form, but only use it for the two new higher
3919 2000-09-16 Mark Mitchell <mark@codesourcery.com>
3921 Convert the C front-end to use function-at-a-time mode.
3922 * c-common.h: Include splay-tree.h.
3923 (C_DECLARED_LABEL_FLAG): New macro.
3924 (struct language_function): Add x_scope_stmt_stack and
3925 x_function_name_declared_p.
3926 (RECHAIN_STMTS): Move definition.
3927 (lang_statment_code_p): Likewise.
3928 (lang_expand_stmt): Likewise.
3929 (lang_expand_decl_stmt): New variable.
3930 (lang_expand_function_end): Likewise.
3931 (current_scope_stmt_stack): New function.
3932 (add_decl_stmt): Likewise.
3933 (add_scope_stmt): Likewise.
3934 (mark_stmt_tree): Likewise.
3935 (struct c_lang_decl): New structure.
3936 (DECL_SAVED_TREE): Define.
3937 (c_mark_lang_decl): New function.
3938 (c_expand_start_cond): Change prototype.
3939 (c_finish_then): New function.
3940 (c_finish_else): Likewise.
3941 (current_function_name_declared): Remove.
3942 (set_current_function_name_declared): Likewise.
3943 (mark_c_language_function): Declare.
3944 (case_compare): Likewise.
3945 (c_add_case_label): Likewise.
3946 (c_expand_expr): Likewise.
3947 (c_safe_from_p): Likewise.
3948 * c-common.c (lang_expand_function_end): New variable.
3949 (struct if_elt): Add if_stmt.
3950 (c_expand_start_cond): Add the if-statement to the statement-tree,
3951 rather than generating RTL.
3952 (c_finish_then): New function.
3953 (c_expand_start_else): Don't generate RTL.
3954 (c_finish_else): New function.
3955 (c_expand_expr_stmt): Don't generate RTL.
3956 (statement_code_p): Add SCOPE_STMT.
3957 (case_compare): New function.
3958 (c_add_case_label): Likewise.
3959 (mark_stmt_tree): Likewise.
3960 (c_mark_lang_decl): Likewise.
3961 (mark_c_language_function): Likewise.
3962 (c_expand_expr): Likewise.
3963 (c_safe_from_p): Likewise.
3964 * c-decl.c (c_stmt_tree): New variable
3965 (c_scope_stmt_stack): Likewise.
3966 (c_function_name_declared_p): Likewise.
3967 (lang_expand_expr_stmt): Remove.
3968 (poplevel): Don't call output_inline_function for nested
3970 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
3972 (redeclaration_error_message): Change means of computing whether
3973 or not a function is nested.
3974 (lookup_label): Don't call label_rtx.
3975 (init_decl_processing): Add more GC roots.
3976 (start_decl): Add DECL_STMTs to the statement-tree, rather than
3977 calling rest_of_decl_compilation.
3978 (finish_decl): Don't call expand_decl.
3979 (store_parm_decls): Begin the statement-tree, but don't generate
3981 (finish_function): Tie off the statement-tree. Call c_expand_body
3983 (c_expand_body): New function.
3984 (push_c_function_context): Save more information.
3985 (pop_c_function_contxt): Likewise.
3986 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
3987 (lang_mark_tree): Mark it.
3988 (current_stmt_tree): Adjust.
3989 (current_scope_stmt_stack): New function.
3991 (set_current_name_declared): Likewise.
3992 (c_begin_compound_stmt): Define.
3993 (c_expand_decl_stmt): Likewise.
3994 * c-lang.c: Include rtl.h and expr.h.
3995 (lang_init): Set more language-specific hooks.
3996 * c-lex.c: Include expr.h.
3997 * c-parse.in: Changes throughout to add statements to the
3998 statement-tree, rather than generating RTL after every statement.
3999 * c-semantics.c (lang_expand_decl_stmt): Define.
4000 (add_decl_stmt): New function.
4001 (add_scope_stmt): Likewise.
4002 (finish_stmt_tree): Tweak.
4003 (genrtl_expr_stmt): Likewise.
4004 (genrtl_decl_stmt): Handle local labels, and call
4005 lang_expand_decl_stmt if required.
4006 (genrtl_for_stmt): Fix line-number handling.
4007 (genrtl_case_label): Handle cleanups.
4008 (genrtl_asm_stmt): Don't call combine_strings.
4009 (genrtl_compound_stmt): Simplify.
4010 (expand_stmt): Handle SCOPE_STMTs.
4011 * c-tree.h (struct lang_decl): New structure.
4012 (C_DECLARED_LABEL_FLAG): Remove.
4013 (c_begin_compound_stmt): Declare.
4014 (c_expand_decl_stmt): Likewise.
4015 (c_expand_start_case): Rename to c_start_case.
4016 (c_finish_case): New function.
4017 * c-typeck.c (start_init): Tweak setting of
4018 constructor_incremental.
4019 (c_expand_asm_operands): Tweak error-handling. Add to the
4021 (c_expand_return): Add to the statement-tree.
4022 (c_expand_start_case): Rename to ...
4023 (c_start_case): ... this.
4024 (struct c_switch): New type.
4025 (switch_stack): New variable.
4026 (do_case): Simplify.
4027 (c_finish_case): New function.
4028 * dependence.c: Include expr.h.
4029 (enum dependence_type): Change spelling of enumerals.
4030 (check_node_dependence): Adjust.
4031 * expr.h (lang_safe_from_p): Declare.
4032 (safe_from_p): Likewise.
4033 * expr.c (lang_safe_from_p): New variable.
4034 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
4035 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
4036 * toplev.c (rest_of_decl_compilation): Robustify.
4037 * tree.c (contains_placeholder_p): Likewise.
4038 * Makefile.in: Update dependencies.
4039 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
4040 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
4041 (objc_expand_function_end): New function.
4042 (finish_method_def): Use it.
4043 (init_objc): Initialize more language-specific hooks.
4044 * objc/Make-lang.in: Update dependencies.
4046 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
4048 * configure.in: Define macros that affect features before
4049 testing for features. Don't define _XOPEN_SOURCE.
4050 * configure: Regenerated.
4051 * config.in: Regenerated.
4053 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
4055 * rtlanal.c (rtx_varies_p): Volatile asms vary.
4056 (rtx_unstable_p): Restructure code. Volatile asms
4059 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4061 * function.h (no_debugging_symbols): New field.
4062 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
4063 Initialize no_debugging_symbols.
4064 (output_inline_function): Save and restore write_symbols and set from
4065 no_debugging_symbols.
4066 * toplev.c (rest_of_compilation): Call save_for_inline.
4067 * tree.h: Update comment.
4069 * stor-layout.c (place_field): Don't do anything if field or
4070 its type are ERROR_MARK.
4072 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
4074 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
4075 (read_include_file): Ensure inc->mmaped is initialized.
4077 2000-09-16 Richard Henderson <rth@cygnus.com>
4079 * cppiles.c (purge_cache): Use PTR not caddr_t.
4081 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
4083 * gcc.c: In description for %{<S}, say the option removed is -S.
4084 * invoke.texi (Spec Files): Ditto.
4086 2000-09-16 Andreas Jaeger <aj@suse.de>
4088 * configure.in: Always define _GNU_SOURCE to make interfaces
4089 visible that were hidden by only defining _GNU_SOURCE.
4090 * configure: Regenerated.
4092 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
4094 * cpplex.c (push_macro_context): Set an argument's level after
4095 calling parse_args. We could loop infinitely otherwise.
4097 2000-09-15 Tom Tromey <tromey@cygnus.com>
4099 * configure, config.in: Rebuilt.
4100 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
4102 2000-09-15 Greg McGary <greg@mcgary.org>
4104 * cppmacro.c (check_trad_stringification): Check token
4105 text pointers against limit before dereferencing.
4107 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
4109 * c-common.c (format_wanted_type): New structure.
4110 (check_format_types): New function.
4111 (check_format_info): Pass all checking of types of format
4112 arguments, including width and precision arguments, to this new
4115 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4117 * BUGS: Remove file.
4119 2000-09-15 Jakub Jelinek <jakub@redhat.com>
4121 * config/alpha/alpha.c (override_options): ev6 cache latencies
4122 from Richard Henderson. Don't allow -mmemory-latency=L0.
4124 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
4125 (TARGET_OPTIONS): Add tune=.
4126 (alpha_tune_string): Declare.
4127 * config/alpha/alpha.c (override_options): Add cpu_table.
4128 Use alpha_cpu_string first to set both alpha_cpu and target_flags
4129 and then alpha_tune_string to set alpha_cpu only.
4130 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
4131 * config/alpha/elf.h (ASM_FILE_START): Likewise.
4132 * config/alpha/osf.h (ASM_FILE_START): Likewise.
4133 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
4135 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
4137 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
4139 (ix86_comparison_operator, ix86_cc_mode): Declare
4140 * i386.h (CCGC, CCGCO): New modes.
4141 (SELECT_CC_MODE): Move offline to ....
4142 * i386.c (ix86_cc_mode): .... here; use new modes.
4143 (ix86_comparison_operator): New.
4144 (fcmov_comparison_operator): Ensure proper mode.
4145 (put_condition_mode): More sanity checking.
4146 (ix86_match_ccmode): Handle new modes.
4147 (ix86_expand_fp_compare): GEU requires CCmode.
4148 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
4150 * i386.md (cmp?i_ccz_1): Remove
4151 (cmp?i_ccno_1): Use ix86_match_ccmode.
4152 (cmp?i_minus_1): New.
4153 (cmpsi_1): New expander.
4154 (cmpqi_ext_1): Use match_ccmode
4155 (cmpqi_ext_3): New expander.
4156 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
4157 (cmpqi_ext_4): Use match_ccmode.
4158 (add?i_?): Use match_ccmode.
4160 (test?i_ccz_1): Remove
4162 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
4163 (testqi_ext_0): Use ix86_match_ccmode.
4164 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
4165 (xorqi_cc_ext_1): New expander.
4166 (shift patterns): Use CCGOCmode for all shifts except for sar.
4167 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
4168 (setcc_3, jcc_3, miv?icc_c): Remove.
4170 2000-09-15 Will Cohen <wcohen@redhat.com>
4172 * dwarf2out.c (add_const_value_attribute): Changed array into a
4173 xmalloced object, so it exists after function exit.
4174 (free_AT): Added case for dw_val_class_float to free allocated
4177 2000-09-15 Kazu Hirata <kazu@hxi.com>
4179 * config/i386/i386.md: Fix a comment typo.
4180 * gcc.c: Fix formatting.
4182 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
4184 * optabs.c (emit_libcall_block): If target is a user variable,
4185 copy to a temporary first.
4186 * expr.c (convert_move): When generating a libcall, make a libcall
4188 * calls.c (emit_library_call_value_1): Don't create a libcall
4189 sequence here; our caller will in most cases do it.
4191 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
4193 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
4194 * sh.md (reload_outsf): Generate recognizable patterns for
4196 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
4197 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
4198 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
4199 truncdfsf2_i4): Change not to use explicit references to fpul.
4200 (floatsisf2_ie): Remove USE of fpscr.
4201 (floatsisf2): Change default expansion to match this.
4202 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
4205 2000-09-15 Richard Henderson <rth@cygnus.com>
4207 * expmed.c (store_bit_field): Consider naturally aligned
4208 memory for direct reference.
4210 2000-09-15 Richard Henderson <rth@cygnus.com>
4212 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
4213 AND addresses into alias set 0.
4214 (alpha_expand_unaligned_store): Likewise.
4215 (alpha_expand_unaligned_load_words): Likewise.
4216 (alpha_expand_unaligned_store_words): Likewise.
4218 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
4220 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
4221 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
4223 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
4224 rsize of UNITS_PER_WORD.
4226 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
4228 * cpplex.c (ON_REST_ARG): Correct the test.
4229 (maybe_paste_with_next): Duplicate a token that fail pasting,
4230 and clear its PASTE_LEFT flag, so that nested pasting attempts
4233 2000-09-14 Richard Henderson <rth@cygnus.com>
4235 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
4236 * cse.c (rtx_cost): Likewise.
4237 * optabls.c (expand_binop): Likewise.
4238 (expand_twoval_binop, prepare_cmp_insn): Likewise.
4239 * regclass.c (copy_cost): Likewise.
4240 * reload1.c (reload_cse_move2add): Likewise.
4242 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
4244 * c-parse.in (reswords): Add _Complex.
4246 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4248 * gcc.1: Delete documentation for -undef preprocessor option.
4250 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
4252 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
4253 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
4254 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4255 Remove undefine before config/elfos.h.
4256 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
4258 2000-09-14 Kazu Hirata <kazu@hxi.com>
4260 * invoke.texi (H8/300 Options): Add -ms2600.
4261 * config/h8300.c (h8300_init_once): Output an error when -ms2600
4262 is used without -ms.
4263 * config/h8300.h (TARGET_MAC): New.
4264 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
4265 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
4266 machine other than H8/S2600.
4267 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
4270 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
4272 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
4273 pseudos that refer to the original pseudos, not only to their
4274 equivalent memory locations.
4276 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4278 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
4279 when making new MEM.
4281 * Makefile.in (LN): Remove duplicate definition.
4283 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4285 From Joern Rennecke:
4286 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
4287 on an insn and function_invariant_p returns nonzero for the source,
4288 add a REG_EQUAL note.
4290 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
4292 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
4293 conflict with frame_pointer_rtx.
4295 2000-09-13 Kazu Hirata <kazu@hxi.com>
4297 * loop.c: Fix formatting.
4300 2000-09-13 Richard Henderson <rth@cygnus.com>
4302 * config/ia64/ia64.md (divsf3): New.
4303 (divsf3_internal_lat, divsf3_internal_thr): New.
4304 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
4305 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
4306 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
4307 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
4308 (nmadddf4_alts, nmadddf4_trunc): New.
4309 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
4310 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
4311 (multf3_truncsf_alts, multf3_truncdf_alts): New.
4312 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
4313 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
4314 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
4315 (nmaddtf4_truncdf_alts): New.
4316 (recip_approx): Don't predicate.
4318 2000-09-13 Richard Henderson <rth@cygnus.com>
4320 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
4322 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4324 * flags.h (flag_dump_rtl_in_asm): Declare.
4325 * toplev.c (flag_dump_rtl_in_asm): Define.
4326 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
4327 if -dP is specified.
4328 * rtl.h (print_rtx_head): Declare.
4329 * print-rtl.c (print_rtx_head): Define.
4330 (print_rtx): Print the string pointed to by print_rtx_head
4331 at beginning of each dump line.
4332 (print_rtl): Likewise.
4333 (print_rtl_single): Likewise.
4334 * final.c (final_scan_insn): Dump the insn in the assembly
4336 * gcc.1: Document -dP option.
4337 * invoke.texi (Debugging Options): Likewise.
4339 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4341 * md.texi (Machine Constraints): Document the 68HC11 constraints.
4342 * install.texi (Configurations): Document the 68HC11&68HC12 port.
4343 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
4345 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
4347 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
4348 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
4349 (*clrstrqi): Likewise.
4350 (xorhi3,xorsi3,absqi2): Likewise.
4351 (one_cmplhi2,one_cmplsi2): Likewise.
4352 (addsi3): Two stupid constraint alternatives removed.
4353 (extendhisi2): Use `movw' for enhanced avr cores.
4354 (zero_extendhisi2): Likewise.
4356 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
4358 * alias.c (find_base_term): Use frame_pointer_rtx
4359 when handling an ADDRESSOF.
4361 * cse.c (canon_hash): Handle USE of BLKmode memory.
4362 (cse_insn): Outgoing arguments for a libcall don't
4363 affect any recorded expressions.
4365 2000-09-12 Tom Tromey <tromey@cygnus.com>
4367 * configure, config.in: Rebuilt.
4368 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
4370 2000-09-12 Jakub Jelinek <jakub@redhat.com>
4372 * c-lex.c (lex_string): Use charwidth to compute bytemask.
4373 * expr.c (expand_expr): Don't optimize constant array references
4374 initialized with wide string constants.
4376 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4378 * loop.c (note_set_pseudo_multiple_uses): Correct.
4380 2000-09-12 Jim Wilson <wilson@cygnus.com>
4382 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
4383 else block, and X has side-effects, then fail.
4385 2000-09-12 Greg McGary <greg@mcgary.org>
4387 * config/mips/mips-protos.h
4388 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
4389 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
4390 (PREDICATE_CODES): Add "trap_cmp_op".
4391 * config/mips/mips.c
4392 (trap_cmp_op, mips_gen_conditional_trap): New functions.
4393 * config/mips/mips.md (trap, conditional_trap): New patterns.
4395 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4397 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
4400 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4402 * builtins.c (built_in_decls): New array.
4403 (expand_builtin_fputs): New function.
4404 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
4406 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
4408 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
4410 * tree.h (built_in_decls): New array.
4412 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
4414 * convex.md: Use "+" instead of "=" for outputs wrapped in a
4416 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
4418 2000-09-12 Kazu Hirata <kazu@hxi.com>
4420 * haifa-sched.c: Fix formatting.
4422 * genattrtab.c: Fix formatting.
4424 * unroll.c: Fix formatting.
4426 2000-09-12 Bruce Korb <bkorb@gnu.org>
4428 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
4429 remove obsolete code
4430 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
4431 * fixinc/fixincl.tpl: make non-exported arrays static scope
4432 * fixinc/fixincl.x: regenerate
4433 * fixinc/fixlib.h: Use PARAMS, not _P_
4434 * fixinc/fixtests.c: make a type for the test proc & use it
4435 * fixinc/server.h: Use PARAMS, not _P_
4437 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4439 * c-typeck.c (process_init_element): Avoid union init warnings on
4440 floating point zero. Don't crash on unions containing structs.
4442 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
4444 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
4445 general_movsrc_operand, and remove CONST_INT from
4446 general_movdst_operand.
4448 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
4450 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
4451 if a reference to non-fixed hardreg is seen. Otherwise, count hard
4452 regs with a higher cost.
4453 (preferrable): Deal with cases where either cost or regcost is
4455 (cse_insn): Use MAX_COST rather than 10000. Always initialize
4457 (COSTS_N_INSNS): Move definition...
4459 (MAX_COST): New macro.
4460 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
4463 2000-09-11 Mark Mitchell <mark@codesourcery.com>
4465 * c-common.h (genrtl_clear_out_block): Remove.
4466 * c-semantics.c (genrtl_clear_out_block): Remove.
4467 (genrtl_while_stmt): Don't call it.
4468 (genrtl_for_stmt): Likewise.
4470 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4472 * cppfiles.c: Move all default-#defines to top of file.
4473 (open_include_file): Replace by lookup_include_file.
4474 (read_with_read, read_file): Merged into read_include_file.
4475 (stack_include_file, purge_cache): New functions.
4476 (close_cached_fd): Delete.
4477 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
4478 Cache the in-memory buffer, not the file descriptor.
4480 * cpphash.h (struct include_file): Add buffer, st, refcnt,
4482 (xcnew): New utility macro.
4483 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
4484 * cpplib.h (struct cpp_buffer): Remove mapped field.
4486 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
4488 * cpplex.c (parse_string): Accept backslash space newline as a
4490 (lex_line): Likewise.
4491 (_cpp_get_token): Remove hard limit on macro nesting.
4493 2000-09-12 Philipp Thomas <pthomas@suse.de>
4495 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
4496 * configure: Rebuilt.
4498 2000-09-13 Michael Hayes <mhayes@cygnus.com>
4500 * flow.c (split_block): Fix update of registers live at
4503 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4505 * i386.md (add?i_3, add?i_5): New.
4506 (add?i_4): Rename from add?i_3; Fix compare pattern.
4507 (sub?i_3, xor?i_3, ior?i_3): New.
4509 * genrecog.c (write_tree): Output code to clear insn_extract cache.
4510 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
4511 instead of extract_insn and extract_constrain_insn_cache instead of
4512 extract_insn and constrain_operands.
4513 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
4515 (extract_insn): Clear which_alternative.
4516 (constrain_operands): Set which_alternative to -1 when failed.
4517 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
4520 2000-09-11 Matthew Hiller <hiller@redhat.com>
4522 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
4523 on operand 0 to '+'.
4524 (movstricthi): Likewise.
4526 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4528 * loop.h (LOOP_IVS): New macro.
4529 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
4530 (struct loop_ivs): New.
4531 (struct loop_info): Add ivs field.
4532 (reg_iv_type, reg_iv_info): Delete prototype.
4533 (reg_biv_class, loop_iv_list): Likewise.
4534 * loop.c (record_biv, find_life_end): Pass loop argument.
4535 (reg_iv_type): Remove global array and use
4536 field in loop_regs structure within loop_ivs structure.
4537 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
4538 (first_increment_giv, last_increment_giv): Use entry in
4540 (record_initial): Pass ivs pointer.
4541 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
4543 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4545 * loop.h (LOOP_REGS): New macro.
4546 (struct loop_regs): New.
4547 (struct loop_info): Add regs field.
4548 * loop.c (set_in_loop): Remove global array and store
4549 in loop_regs structure as part of loop_info structure.
4550 (n_times_set, may_not_optimize): Likewise.
4551 (reg_single_usage, moved_once): Likewise.
4552 (count_one_set): Add regs argument.
4553 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
4554 (set_pseudo_multiple_uses): Pass regs pointer.
4556 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4558 * unroll.c (iteration_info): Subsume into loop_iterations.
4559 * loop.h (loop_info): New field iv.
4561 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4563 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
4564 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
4565 (flow_loops_update): New prototype.
4566 (flow_loops_find): Add flags to prototype.
4567 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
4568 * flow.c (flow_loop_pre_header_scan): New.
4569 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
4570 (flow_loop_free): Free pre-header root and trace and exit dominators.
4571 (flow_loops_find): New argument flags.
4572 (flow_loops_update): New function.
4573 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
4575 2000-09-12 Michael Hayes <mhayes@cygnus.com>
4577 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
4578 * flow.c (split_block, update_bb_for_insn): New functions.
4580 2000-09-11 Richard Henderson <rth@cygnus.com>
4582 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
4584 2000-09-11 Richard Henderson <rth@cygnus.com>
4586 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
4587 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
4588 (ia64_override_options): Prevent optimizing division for both
4589 latency and throughput.
4590 (rtx_needs_barrier): Handle frcpa.
4591 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
4592 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
4593 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
4594 (TARGET_SWITCHES): Add -minline-divide-min-latency and
4595 -minline-divide-max-throughput.
4596 (PREDICATE_CODES): Update.
4597 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
4598 (zero_extendsidi2): Likewise. Fix typo in f case insn.
4599 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
4600 (extendsftf2): Likewise.
4601 (extenddftf2): Likewise.
4602 (fix_trunctfdi2_alts): New.
4603 (fixuns_trunctfdi2_alts): New.
4604 (madd*4): Rename from madd*3.
4605 (divsi3, modsi3, udivsi3, umodsi3): New.
4606 (divsi3_internal): New.
4607 (divdi3, moddi3, udivdi3, umoddi3): New.
4608 (divdi3_internal_lat, divdi3_internal_thr): New.
4609 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
4610 (recip_approx): New.
4612 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
4614 * print-rtl.c (debug_call_placeholder_verbose): New variable.
4615 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
4617 * integrate.c (copy_rtx_and_substitute): Don't share
4618 LEAF_REG_REMAPpable registers with the inlined function. Don't
4619 share the function value with calling sequences.
4621 2000-09-11 Jakub Jelinek <jakub@redhat.com>
4623 * c-decl.c (do_case): Fix a typo.
4625 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
4626 to a if the comparison is floating mode and not -ffast-math.
4627 * simplify-rtx.c (simplify_ternary_operation): Likewise.
4629 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4631 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
4632 gen_ic_invalidate_line.
4634 2000-09-11 Philip Blundell <pb@futuretv.com>
4636 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
4638 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
4640 * install.texi (LANGUAGES): Update to include new languages.
4643 2000-09-11 DJ Delorie <dj@redhat.com>
4645 * gcc.c (main): Don't warn about unused -B prefixes
4646 (unused_prefix_warnings): remove
4648 2000-09-11 Kazu Hirata <kazu@hxi.com>
4650 * final.c: Fix formatting.
4652 * integrate.c: Fix formatting.
4654 2000-09-11 Geoff Keating <geoffk@cygnus.com>
4656 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
4658 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
4660 * reload.c (regno_clobbered_p): Fix thinko in previous change.
4662 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4664 * gcc.1: Document 68hc11 specific options.
4666 2000-09-10 Geoff Keating <geoffk@cygnus.com>
4668 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
4669 (TARGET_LONG_DOUBLE_128): Define.
4670 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
4671 (LONG_DOUBLE_TYPE_SIZE): Redefine.
4672 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4673 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
4674 of __LONG_DOUBLE_128__.
4675 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
4677 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
4678 (CPP_SYSV_DEFAULT_SPEC): Define.
4679 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
4680 (INIT_TARGET_OPTABS): Define.
4682 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
4683 (RS6000_UITRUNC): Likewise.
4684 (INIT_TARGET_OPTABS): New macro.
4685 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
4686 (trunc_defined): Delete.
4687 (output_prolog): Don't output .extern definitions for fp->int
4688 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
4689 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
4690 (trunc_defined): Delete.
4691 (RS6000_ITRUNC): Moved to aix.h.
4692 (RS6000_UITRUNC): Likewise.
4693 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
4694 only emit a libcall.
4695 (fixuns_truncdfsi2): Delete.
4696 (trunc_call): Delete.
4697 (trunc_call_rtl): Delete.
4699 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4701 * varasm.c (make_decl_rtl): Restore leading star on
4702 DECL_ASSEMBLER_NAME set for decls with an asmspec.
4704 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4706 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
4707 won't give a spurious error for '#pragma pack()'. Simplify
4708 control flow for readability. 'reset' action is not necessary.
4710 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
4712 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
4713 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
4714 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
4715 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
4717 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
4718 profile.c, sdbout.c, tradcif.y, tree.c:
4719 Include defaults.h if not already included.
4720 Don't define the above macros.
4722 * Makefile.in: Update dependencies.
4724 2000-09-10 Mark Mitchell <mark@codesourcery.com>
4726 * c-common.h (add_stmt): Change prototype.
4727 (RECHAIN_STMTS): New macro.
4728 (CASE_LABEL_DECL): Likewise.
4729 (genrtl_case_label): Change prototype.
4730 (c_expand_start_case): Remove prototype.
4731 (build_case_label): Change prototype.
4732 (decl_constant_value): Declare.
4733 * c-common.c (check_case_value): Handle C++'s extensions to C
4735 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
4737 * c-parse.in (stmt): Adjust handling of return statements and case
4739 * c-semantics.c (add_stmt): Return the new statement.
4740 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
4741 returned expression. Directly generate RTL, rather than calling
4743 (genrtl_switch_stmt): Don't call c_expand_start_case.
4744 (build_case_label): Take the LABEL_DECL as input, too.
4745 (genrtl_case_label): Just call add_case_node.
4746 (expand_stmt): Adjust calls to genrtl_return_stmt and
4748 * c-tree.h (c_expand_start_case): Declare.
4749 * c-typeck.c (decl_constant_value): Give it external linkage.
4750 (c_expand_return): Don't call expand_return or expand_null_return;
4751 use genrtl_return_stmt instead.
4752 * stmt.c (struct nesting): Remove num_ranges field.
4753 (add_case_node): Give it external linkage.
4754 (expand_start_case): Don't set num_ranges.
4755 (expand_start_case_dummy): Don't clear it.
4756 (pushcase): Rely on add_case_node to handle `default' labels.
4757 (add_case_node): Handle `default' labels.
4758 * tree.c (tree_int_cst_compare): New function.
4759 * tree.h (tree_int_cst_compare): Declare.
4760 (add_case_node): Likewise.
4762 2000-09-10 Richard Henderson <rth@cygnus.com>
4764 * c-parse.in: Revert last change.
4765 (init_reswords): Do not enter disabled keywords into the ridpointers
4766 table, modulo objc weirdness.
4767 (_yylex): Return the canonical spelling for a keyword.
4769 2000-09-10 Philip Blundell <philb@gnu.org>
4771 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
4772 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
4774 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
4776 * alias.c (find_base_term): Handle ADDRESSOF.
4777 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
4779 2000-09-10 Denis Chertykov <denisc@overta.ru>
4781 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
4782 outputting templates with many lines.
4784 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4786 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
4787 to decide whether 64-bit support must be generated.
4789 2000-09-10 Richard Henderson <rth@cygnus.com>
4791 * c-parse.in (asm patterns): Fix volatile check.
4793 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4795 * cppmacro.c (check_trad_stringification): New function.
4796 (save_expansion): If -Wtraditional, warn about stringification of
4799 2000-09-11 Michael Hayes <mhayes@cygnus.com>
4801 * loop.h (struct loop_mem_info): Move from loop.c
4802 (struct loop_info): Add fields store_mems, mems, mems_idx,
4803 mems_allocated, unknown_address_altered,
4804 unknown_constant_address_altered, num_mem_sets, and
4805 first_loop_store_insn.
4807 * loop.c (loop_store_mems): Replace with field in loop_info struct.
4808 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
4809 (unknown_address_altered, unknown_constant_address_altered): Likewise.
4810 (num_mem_sets): Likewise.
4811 (replace_loop_mems, replace_loop_regs): New.
4812 (struct loop_replace_args): New.
4813 (load_mems): Use replace_loop_mems.
4814 (try_copy_prop): Use replace_loop_regs.
4815 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
4817 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4819 * configure.in: Recognize m6811-elf and m6812-elf.
4820 * configure: Regenerate.
4822 2000-09-09 Geoff Keating <geoffk@cygnus.com>
4824 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
4827 2000-09-10 Michael Hayes <mhayes@cygnus.com>
4829 * loop.c (struct movables): New.
4830 (num_movables): Move into struct movables.
4831 (the_movables): Change type to struct movables.
4832 (ignore_some_movables): Change struct movable arg to struct movables.
4833 (force_movables, combine_movables, regs_match_p): Likewise.
4834 (rtx_equal_for_loop_p, move_movables): Likewise.
4835 (scan_loop): Change movables to be of type struct movables.
4836 Replace last_movable with field in movables structure.
4838 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
4840 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
4841 (init_pragma): Avoid warning if pfile happens to be unused.
4842 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
4843 define init_pragma to nothing. Always prototype
4844 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
4846 * c-lex.c (process_directive): Always call dispatch_pragma.
4847 Initialize entering_c_header to 0.
4849 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4851 * config/m68hc11/m68hc11.md: New file, machine description for
4853 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
4854 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
4855 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
4856 * config/m68hc11/m68hc11-protos.h: New file.
4857 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
4858 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
4859 * config/m68hc11/xm-m68hc11.h: New file, target defs.
4860 * config/m68hc11/larith.asm: New file, libgcc routines.
4862 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4864 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
4865 (FPBIT_FUNCS): Add _usi_to_sf.
4866 * config/fp-bit.c (usi_to_float): New function.
4867 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
4868 (usi_to_float): Add appropriate #define.
4870 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4872 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
4874 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
4875 * i386.md (attr "type"): Add sse and mmx types.
4876 (attr "memory"): Handle them without a crash.
4877 (movsi_1, movdi_2): Allow MMX regs.
4878 (movdi splits): Don't split moves involving MMX regs.
4879 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
4880 (movv4sf_internal, movv4si_internal, movv8qi_internal,
4881 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
4882 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
4883 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
4884 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
4885 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
4886 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
4887 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
4888 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
4889 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
4890 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4891 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4892 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
4893 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
4894 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4895 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4896 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
4897 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
4898 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
4899 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
4900 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
4901 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4902 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4903 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
4904 mmx_clrdi): New patterns.
4906 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
4908 * arm.c: Don't include tm.h directly.
4910 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
4912 * recog.c (validate_replace_rtx_1): Fix confusion about equality
4913 testing; simplify subregs of constants and nested subregs.
4915 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
4917 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
4919 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
4921 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
4923 * rtl.texi (description of USE): Add note about possible pitfalls
4925 From Richard Henderson:
4926 * reload1.c (choose_reload_regs): Compute need_mode properly.
4928 2000-09-07 Richard Henderson <rth@cygnus.com>
4930 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
4931 (__modsi3, __umodsi3): Likewise.
4932 (__udivsi3): Likewise. Normalize the TFmode values.
4934 2000-09-07 Geoff Keating <geoffk@cygnus.com>
4936 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
4938 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
4941 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4943 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
4944 (cmpeqdi_t): Add output pattern.
4945 (cmpeqdi_t+1): Don't split when not optimizing.
4946 Restore proper splitting operation.
4948 2000-09-07 Richard Henderson <rth@cygnus.com>
4950 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
4951 do not call dispatch_pragma.
4953 2000-09-07 Jim Wilson <wilson@cygnus.com>
4955 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
4956 to CLASS_CANNOT_CHANGE_MODE.
4957 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
4958 mode classes are different.
4960 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4962 * cpplib.h (struct cpp_options): Add user_label_prefix member,
4963 left out of commit which removed cppulp.c.
4965 2000-09-07 Richard Henderson <rth@cygnus.com>
4967 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
4968 after switch for CASE_DROPS_THROUGH.
4970 2000-09-07 Richard Henderson <rth@cygnus.com>
4972 * loop.c (strength_reduce): Call check_ext_dependant_givs.
4973 Properly extend the biv initial value for the giv.
4974 (record_biv): Zero ext_dependant.
4975 (record_giv): New argument ext_val. Update all callers.
4976 (general_induction_var): Likewise.
4977 (consec_sets_giv): Likewise.
4978 (simplify_giv_expr): Likewise. Fill in ext_val if we find
4979 a sign-extend, zero-extend, or truncate.
4980 (combine_givs_p): Make sure modes are compatible.
4981 (check_ext_dependant_givs): New.
4982 (extend_value_for_giv): New.
4983 * loop.h (struct induction): Add ext_dependant.
4984 * unroll.c (iteration_info): Extend the biv initial value for the giv.
4985 (find_splittable_givs): Likewise.
4986 (final_giv_value): Likewise.
4988 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
4990 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
4991 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
4992 definitions from cpplib.h.
4993 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
4995 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
4996 documentation for REGISTER_TARGET_PRAGMAS.
4998 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
4999 default-pragma callback to implement -Wunknown-pragmas if
5001 * c-parse.in: Move all includes to top of file.
5002 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
5004 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
5006 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
5008 * arm.h, arm-protos.h, arm.c,
5009 c4x.h, c4x-protos.h, c4x.c,
5010 h8300.h, h8300-protos.h, h8300.c,
5011 i370.h, i370-protos.h, i370.c,
5012 i960.h, i960-protos.h, i960.c,
5013 sh.h, sh-protos.h, sh.c,
5014 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
5015 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
5017 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
5018 multiple include guard.
5019 * i370.md (untyped_call): Use GEN_CALL.
5020 (umodsi3): Remove unused variable.
5021 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
5022 * v850.c (output_move_single, output_move_double): Constify
5024 (print_operand): Constify a char *.
5025 * v850.h (struct small_memory_info): Constify name member.
5027 2000-09-07 Kazu Hirata <kazu@hxi.com>
5029 * config/h8300.h: Fix comment typos.
5030 * config/h8300/h8300.md: Likewise.
5031 * config/h8300/lib1funcs.asm: Likewise.
5033 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
5035 * Makefile.in: Remove references to cppulp.{c,o}.
5036 * cppinit.c (initialize_builtins, cpp_start_read,
5037 cpp_handle_option): Update to use cpp_options structure.
5040 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
5042 * c-common.c (time_char_table): Allow %#b and %#h.
5044 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5046 * reorg.c (find_end_label): If the basic block reorder pass moves the
5047 return insn to some other place try to locate it again and put our
5048 end_of_function_label there.
5049 * reorg.c (relax_delay_slots): Check if find_end_label created a
5050 new label that invalidates the current optimazation.
5052 2000-09-07 Catherine Moore <clm@redhat.com>
5054 * unroll.c (unroll_loop): Check for unconditional jumps
5055 to loop continuation. Delete if n_iterations is 1.
5056 (ujump_to_loop_cont): New routine.
5058 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
5060 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
5062 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
5063 to handle multiword modes correctly. All callers and the declaration
5066 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5068 * c-common.h (prep_stmt): Declare.
5069 (lang_expand_stmt): Likewise.
5070 * c-decl.c (lang_expand_stmt): Remove.
5071 * c-semantics.c (lang_expand_stmt): Define.
5072 (prep_stmt): New function.
5073 (expand_stmt): Handle common statement types here.
5075 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
5077 * configure.in (sh-*-linux*): Added.
5078 * configure: Rebuilt.
5079 * config/sh/t-linux: New file.
5080 * config/sh/sh.h (USERMODE_BIT): Define.
5081 (TARGET_USERMODE): Likewise.
5082 (TARGET_SWITCHES): New switches for the bits above.
5083 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
5084 * config/sh/linux.h: New file.
5085 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
5086 underscore on linux.
5087 (L_sdivsi3, L_udivsi3): Define for linux.
5088 (L_ic_invalidate): Define.
5089 * invoke.texi (SH Options): Document -musermode.
5091 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
5093 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
5094 CSE unless generating PIC.
5096 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
5099 2000-09-06 H.J. Lu (hjl@gnu.org)
5101 * Makefile.in (clean_s1): Depend on stage_b.
5102 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
5103 stage2. They are used for "make compare".
5105 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5107 Move statement-tree facilities from C++ to C front-end.
5108 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
5109 (void_zero_node): New macro.
5110 (struct stmt_tree_s): New type.
5111 (stmt_tree): New typedef.
5112 (struct language_function): New type.
5113 (last_tree): New macro.
5114 (last_expr_type): Likewise.
5115 (walk_tree_fn): New typedef.
5116 (current_stmt_tree): New function.
5117 (begin_stmt_tree): Likewise.
5118 (add_stmt): Likewise.
5119 (finish_stmt_tree): Likewise.
5120 (statement_code_p): Likewise.
5121 (lang_statement_code_p): New variable.
5122 (walk_stmt_tree): New function.
5123 (STMT_IS_FULL_EXPR_P): New macro.
5124 * c-common.c (lang_statement_code_p): New variable.
5125 (c_common_nodes_and_builtins): Initialize void_zero_node.
5126 (statement_code_p): New function.
5127 (walk_stmt_tree): Likewise.
5128 * c-decl.c (language_function): Rename to ...
5129 (c_language_function): ... this. Include language_function.
5130 (push_c_function_context): Adjust accordingly.
5131 (pop_c_function_context): Likewise.
5132 (mark_c_function_context): Likewise.
5133 (current_stmt_tree): Define.
5134 * c-semantics.c (begin_stmt_tree): New function.
5135 (add_stmt): Likewise.
5136 (prune_unused_decls): Likewise.
5137 (finish_stmt_tree): Likewise.
5139 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5141 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
5143 2000-09-06 Kazu Hirata <kazu@hxi.com>
5145 * calls.c: Fix formatting.
5147 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
5149 * config/i386/i386.h (ADDRESS_COST): Fix typo.
5151 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5153 Integrated preprocessor.
5155 * Makefile.in: Remove all references to c-parse.gperf,
5156 c-gperf.h, and c-parse.h. Remove -d from yacc command line
5157 generating c-parse.c. Update dependencies.
5158 * c-parse.gperf, c-gperf.h: Delete.
5160 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
5161 yy_lim, or yy_get_token. Don't define get_directive_line if
5163 * c-common.h: Add multiple include guard. Define RID values
5164 for every keyword in C, C++, and Objective C. Put all the
5166 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
5167 * c-decl.c (c_decode_option): Handle -lang-objc here.
5168 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
5169 (grokdeclarator): Adjust for new RID scheme.
5170 (extract_interface_info): New stub.
5171 * c-lang.c: Don't declare yy_cur or parse_options.
5172 (lang_init_options): Call cpp_init. Don't call
5174 (lang_init): Don't call check_newline if USE_CPPLIB.
5176 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
5177 Elide lots of unnecessary code if USE_CPPLIB. Delete code
5178 rendered unnecessary by new architecture. Move routines not
5179 shared with C++ to c-parse.in. Maintain a local idea of the
5180 line number. Handle C++ as well as C.
5181 [USE_CPPLIB]: Declare and register callbacks for #ident and
5182 for entering/leaving files.
5183 (init_c_lex, c_lex): Are now the entry points to this file.
5184 (check_newline): Break out directive handling to
5186 (read_ucs, is_extended_char, utf8_extend_token): Moved here
5188 (readescape, parse_float): Overhaul.
5189 (lex_number, lex_string, lex_charconst): Break out of c_lex
5191 (get_fileinfo, update_header_times, dump_one_header,
5192 dump_time_statistics): New and/or moved here from C++.
5193 Support per-file data needed by C++ and per-header timing
5194 statistics (C++ only, at the moment).
5195 * c-lex.h: Update prototypes. Add multiple include guard.
5196 * c-tree.h (struct lang_identifier): Add rid_code field.
5197 (C_IS_RESERVED_WORD, C_RID_CODE): New.
5199 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
5200 reinit_parse_for_function and/or position_after_white_space.
5201 (save_filename, save_lineno): Look ahead before saving.
5202 (label -> identifier ':'): Save file and line before shifting ':'.
5203 (reservedwords): No need to call get_identifier.
5204 (init_parse, finish_parse, yyerror, yylex, yyprint,
5205 make_pointer_declarator): Are now here for C/ObjC.
5206 (rid_to_yy): Conversion table from RID constants to Yacc codes.
5208 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
5209 #pragma registry. Provide dummy implementation of that
5210 interface if !USE_CPPLIB.
5211 * c-pragma.h: Update to match.
5213 * flags.h: Add multiple include guard.
5214 (flag_detailed_statistics): Moved here from C++.
5215 * toplev.c: Define flag_detailed_statistics.
5217 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
5219 * timevar.def (TV_CPP, TV_LEX): New.
5220 * timevar.h: Add multiple include guard.
5222 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
5224 * objc/objc-act.c: Don't mention yy_cur or parse_options.
5225 Initialize cpplib properly. Force lineno to 0 after first
5226 call to check_newline. Don't handle -lang-objc here.
5227 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
5229 2000-09-06 David Edelsohn <edelsohn@gnu.org>
5231 * rs6000.md: Correct function unit definitions for cr_logical and
5233 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
5234 and use portable method for >=0 and floating point >=. Remove
5235 associated matchers.
5237 2000-09-06 Mark Mitchell <mark@codesourcery.com>
5239 * extend.texi: Mark named return value extension as deprecated.
5241 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5243 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
5246 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
5248 * toplev.c (display_help): Fix thinko in documentation.
5250 * diagnostic.h (output_buffer::indent_skip): New fields.
5251 (output_indentation): New macro.
5253 * diagnostic.c (output_indent): New function.
5254 (output_set_prefix, clear_diagnostic_info): Use.
5255 (output_emit_prefix): Predict future indentation.
5257 2000-09-06 DJ Delorie <dj@redhat.com>
5259 * Makefile.in (stage_*): add more dependencies to ensure parallel
5260 builds build correctly
5262 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
5264 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
5265 not bootstrap-lean_f.
5267 2000-09-06 Andreas Schwab <schwab@suse.de>
5269 * mklibgcc.in: Emit rule for libgcc-stage-start.
5270 * Makefile.in (stage1-start, stage2-start, stage3-start,
5271 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
5273 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
5275 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
5276 (update_equiv_regs): Likewise, except for the mn10200 kludge.
5277 (combine_regs): Likewise.
5279 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
5280 * cse.c: Include "basic-block.h".
5281 (struct table_elt): New field REGCOST.
5282 (CHEAP_REG): Delete macro.
5283 (COST): Return 0 for REGs.
5284 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
5285 (notreg_cost): Return 0 for appropriate SUBREGs.
5286 (COSTS_N_INSNS): Return N * 2.
5287 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
5289 (CHEAPER): Use new function preferrable.
5290 (insert): Initialize REGCOST member.
5291 (find_best_addr): Use approx_reg_cost for estimation of register
5293 (cse_insn): Likewise.
5294 * loop.c (iv_add_mult_cost): New function.
5295 (add_cost, shift_cost, mult_cost): Delete variables.
5296 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
5297 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
5298 Make code that detects autoinc opportunities slightly less optimistic.
5299 (simplify_giv_expr): If expression contains other reg that is also a
5300 giv, only increment benefit if this is the only use of that reg.
5301 (consec_sets_giv): Take that change into account.
5302 (combine_givs): Slightly more verbose output.
5304 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
5305 not the cost of an equivalent shift.
5306 * sh-protos.h (addsubcosts): Declare.
5307 * sh.c (addsubcosts): New function.
5308 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
5309 (RTX_COSTS): Tweak. Use addsubcosts.
5310 (ADDRESS_COST): Return higher cost for reg+reg addressing.
5312 2000-09-06 Geoff Keating <geoffk@cygnus.com>
5314 * config/rs6000/rs6000.c (validate_condition_mode): New function.
5315 (branch_comparison_operator): Call validate_condition_mode to
5316 abort rather than returning 0.
5317 (branch_positive_comparison_operator): New function.
5318 (scc_comparison_operator): Call validate_condition_mode to abort
5319 rather than returning 0.
5320 (ccr_bit): Call validate_condition_mode. Update for
5322 (print_operand): Delete %C modifier. Update %E case
5323 to use EQ bit not SO bit.
5324 (rs6000_reverse_condition): New function.
5325 (rs6000_generate_compare): New function.
5326 (rs6000_emit_sCOND): New function.
5327 (rs6000_emit_cbranch): New function.
5328 (output_cbranch): The length of a long branch insn is
5329 now only 8 bytes. Add validate_condition_mode. Use
5330 rs6000_reverse_condition. Remove cror generation.
5332 * config/rs6000/rs6000.h: Update comments.
5333 (PREDICATE_CODES): Add new predicate. Update codes used
5334 by branch_comparison_operator and scc_comparison_operator.
5335 * config/rs6000/rs6000-protos.h: Add prototypes for
5336 new external functions.
5337 * config/rs6000/rs6000.md: Add new scheduling parameters
5338 for cr_logical instructions. Change length of branch
5340 (bCOND patterns): Call rs6000_emit_cbranch.
5341 (sCOND patterns): Call rs6000_emit_sCOND.
5342 (branch patterns): Change lengths to 4.
5343 (cr logical patterns): New.
5345 2000-09-06 Richard Henderson <rth@cygnus.com>
5347 * config/i386/i386.md (call_pop): Fix test for setting
5348 current_function_uses_pic_offset_table.
5349 (call, call_value_pop, call_value): Likewise.
5351 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5353 * timevar.c (timevar_add): Delete.
5354 (timevar_get): Also count time since the selected timer was
5355 last updated. Do not examine the timevar stack if the
5356 selected timer is standalone.
5358 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5360 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
5362 2000-09-05 Jason Merrill <jason@redhat.com>
5364 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
5365 for 'extern' arrays.
5367 2000-09-05 Richard Henderson <rth@cygnus.com>
5369 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
5370 Eliminate final copy from non-trapping case.
5371 (__divdf3, __divsf3): Likewise.
5373 2000-09-05 Richard Henderson <rth@cygnus.com>
5375 * config/ia64/ia64.md (mulhi3): Fix typo last change.
5376 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
5378 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
5380 * Makefile.in: Restructure bootstrap stages to allow clean
5381 restart after failure.
5383 2000-09-05 Richard Henderson <rth@cygnus.com>
5385 * config/ia64.md (movsi and movdi patterns): Allow moves from
5386 8-bit constants to AR registers.
5388 2000-09-05 Richard Henderson <rth@cygnus.com>
5390 * config/ia64/ia64.md (mulhi3): New.
5392 2000-09-05 Richard Henderson <rth@cygnus.com>
5394 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
5395 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
5396 Optimization Guide, minimum latency alternative.
5397 (__moddi3, __udivdi3, __umoddi3): Likewise.
5398 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
5400 2000-09-05 Bruce Korb <bkorb@gnu.org>
5402 * fixinc/fixincl.c (load_file): always read header files
5403 with sizes that are a multiple of the page size.
5404 & use libiberty's getpagesize for determining that.
5406 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
5408 * gcse.c (hash_string_1): Add prototype.
5409 * cse.c (canon_hash_string): Likewise.
5411 2000-09-04 Craig Newell <CraigN@ieee.org>
5413 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
5415 2000-09-04 Andreas Schwab <schwab@suse.de>
5417 * Makefile.in (STAGESTUFF): Remove libgcc.
5418 (stage1-start, stage2-start, stage3-start): Copy the contents of
5419 the libgcc directory explicitly.
5420 (mostlyclean): Clean libgcc.
5422 2000-09-04 Andrew Haley <aph@redhat.com>
5424 * dwarf2out.c: (stack_adjust_offset): New prototype.
5426 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
5428 * combine.c (make_extraction): Fix rtx_cost comparison to
5431 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
5433 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
5434 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
5435 Add '*' to insn pattern name.
5437 2000-09-04 Jakub Jelinek <jakub@redhat.com>
5439 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
5440 use posn - 1 to index into tokens array.
5441 (maybe_paste_with_next): Adjust caller.
5443 2000-09-03 Geoff Keating <geoffk@cygnus.com>
5445 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
5447 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
5448 (REGNO_REG_CLASS): Use symbolic register
5451 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
5453 * arm.c (final_prescan_insn): If the form of a jump insn isn't
5454 recognized, don't try to conditionally execute it.
5456 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
5458 * config/avr/avr.md ("*tablejump_lib"): New pattern.
5459 (call_value_insn): Right length claculation.
5460 (call_insn): Likewise.
5462 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
5464 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
5465 gas_output_limited_string, gas_output_ascii, output_movqi,
5466 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
5467 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
5468 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
5469 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
5470 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
5471 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
5472 Add "const" as needed to remove warnings.
5474 * config/avr/avr.c (avr_override_options, avr_init_once,
5475 function_prologue, function_epilogue, frame_pointer_required_p,
5476 class_likely_spilled_p, order_regs_for_local_alloc,
5477 avr_address_cost, avr_ret_register): Use K&R style arguments.
5478 (initial_elimination_offset, gas_output_limited_string):
5479 Remove ATTRIBUTE_UNUSED from the used arguments.
5480 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
5481 Use local variables src, dest, base to access operands[].
5482 Rename reg_dest to reg_src if that's what it is.
5483 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
5484 constants to LD_REGS if reg_was_0.
5485 (output_reload_insisf): Change arg 3 to insn length and set it.
5486 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
5487 access to 16-bit I/O register pairs.
5488 (avr_address_cost): Lower cost for the above case.
5489 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
5490 may be clobbered, also for LD_REGS.
5491 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
5494 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
5496 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
5497 macro to test_hard_reg_class function.
5498 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
5499 for loading immediate constants to LD_REGS.
5500 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
5503 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
5505 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
5506 * config/avr/libgcc.S: Lost part of the previous patch.
5508 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5510 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
5511 object before calling pthread_mutex_init.
5513 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
5515 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
5516 config/sh/crtn.asm: New files.
5517 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
5518 (crt1.o, crti.o, crtn.o): New targets.
5519 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
5521 * configure: Rebuilt.
5522 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5523 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
5524 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5525 Undefine for config/elfos.h to redefine.
5526 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
5528 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
5530 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
5531 legitimize_pic_address, output_pic_addr_const): Declare.
5532 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
5533 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
5534 (TARGET_SWITCHES): New switch -mprefergot.
5535 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
5536 (PIC_OFFSET_TABLE_REGNUM): Define.
5537 (GOT_SYMBOL_TABLE): Likewise.
5538 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
5539 (ENCODE_SECTION_INFO): Define.
5540 (FINALIZE_PIC): New macros.
5541 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
5542 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
5543 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
5544 (prepare_move_operands): Call emit_pic_move or
5545 emit_pic_const_move if appropriate.
5546 (output_far_jump): For PIC, use braf and output long offset.
5547 (machine_dependent_reorg):
5548 (sh_expand_prologue): Save and initialize the PIC register.
5549 (sh_expand_epilogue): Restore it.
5550 (initial_elimination_offset): Account for it.
5551 (nonpic_symbol_mentioned_p): New function.
5552 (legitimize_pic_address): Likewise.
5553 (output_pic_addr_const): Likewise.
5554 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
5555 (call, call_value): Use them.
5556 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
5557 symPLT_label2reg): New expands.
5558 * invoke.texi (SH Options): Document -mprefergot.
5560 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
5562 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
5563 * gcse.c (hash_string_1): New function.
5564 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
5565 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
5566 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
5567 (canon_hash_string): New function.
5568 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
5569 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
5570 (fold_rtx): Use ASM_OPERANDS accessor macros.
5571 * emit-rtl.c (copy_insn_1): Likewise.
5572 * integrate.c (copy_rtx_and_substitute): Likewise.
5573 * stmt.c (expand_asm_operands): Likewise. Give an
5574 ASM_OPERANDS rtx the mode of the output reg being set from it.
5576 2000-09-01 Fred Fish <fnf@be.com>
5578 * fix-header.c (write_rbrac): Add putc and getc to list of
5579 functions to protect against prior definition as a macro.
5581 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
5583 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
5584 (c_size_type_node): Define.
5585 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
5586 * c-common.c (enum format_lengths, enum format_std_version,
5587 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
5588 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
5589 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
5590 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
5591 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
5592 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
5593 format_types): Define.
5594 (format_char_info, print_char_table, scan_char_table,
5595 time_char_table): Rearrange for new organization of information
5596 about format length modifiers and standard versions.
5597 (T_ST): Redefine to use c_size_type_node.
5598 (check_format_info): Obtain information about length modifiers and
5599 standard versions from tables. Adjust warning message wordings.
5600 Use the name from the user's program for `ll' and `hh' length
5601 modifiers in warning messages. Use more informative names for
5602 wanted types where available (for wchar_t, wint_t, size_t, signed
5603 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
5605 2000-09-01 Jim Wilson <wilson@cygnus.com>
5607 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
5608 * combine.c (distribute_notes): Handle REG_NORETURN.
5609 * rtl.c (reg_note_name): Add REG_NORETURN.
5610 * rtl.h (enum reg_note): Likewise.
5612 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
5614 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
5615 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
5616 (emit_predicate_relation_info): Handle conditional calls with
5618 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
5619 instead of ia64_file_start.
5620 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
5621 * config/ia64/ia64.md (safe_across_calls_all,
5622 save_across_calls_normal): New patterns.
5624 * loop.c (check_final_value): Check for biv use before checking for
5625 giv use. Check for both biv and giv uses. Always set last_giv_use
5626 if there is a giv use.
5628 2000-09-01 Richard Henderson <rth@cygnus.com>
5630 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
5631 (madddi3): Likewise.
5634 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5636 * expr.c (clear_storage): Don't use emit_move_insn unless
5637 either BLKmode or proper size.
5638 (store_constructor): Don't call clear_storage if REG of wrong size.
5640 * flow.c (init_propagate_block_info): Don't mark frame dead at end
5641 of function if returns wiht stack pointer depressed.
5643 2000-09-01 Andrew Haley <aph@redhat.com>
5645 * dwarf2out.c (stack_adjust_offset): New function.
5646 (dwarf2out_stack_adjust): Break out stack adjust logic into
5647 new stack_adjust_offset function. Look inside parallels and
5648 sequences for stack adjustments.
5650 2000-08-31 Jeff Law <law@cygnus.com>
5652 * arm.md: Use no_new_pseudos to determine when it is safe
5653 to create new pseudo registers.
5655 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
5656 when we can safely allocate new registers.
5658 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
5660 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
5661 so that CONCATs are not generated for ASMs.
5662 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
5663 not generating_concat_p.
5664 * function.c (pop_function_context_from): Reset
5665 generating_concat_p.
5666 (prepare_function_start): Likewise.
5667 * rtl.c (generating_concat_p): Define.
5668 * rtl.h (generating_concat_p): Declare.
5669 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
5671 2000-08-22 Philipp Thomas <pthomas@suse.de>
5672 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
5674 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
5677 2000-08-30 Greg McGary <greg@mcgary.org>
5679 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
5680 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
5681 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
5683 2000-08-30 Greg McGary <greg@mcgary.org>
5685 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
5686 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5687 (TREE_INT_CST): New macro.
5688 * varasm.c (const_hash, compare_constant_1, record_constant_1):
5689 Use new macro TREE_INT_CST.
5691 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
5693 * contrib.texi: Add self.
5695 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
5697 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
5698 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
5701 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5703 * fixinc/gnu-regex.c: Don't define `const'.
5705 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5707 * expr.c (store_constructor): Allow variable bounds of array type.
5708 (expand_expr): Don't blow up if type is ERROR_MARK.
5709 * varasm.c (output_constructor): Don't access lower bound of array
5710 type unless need it if index is supplied (so it can be a variable
5711 if no index is supplied).
5712 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
5713 Other minor cleanups.
5715 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5717 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
5718 for compilations in stage 1 and subsequent stages, respectively.
5719 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
5720 * configure: Rebuilt.
5721 * x-vax, x-vax-gcc: Deleted.
5723 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5725 * c-common.c (declare_function_name): Use func_id_node,
5726 function_id_node, and pretty_function_id_node. Do not make
5727 __func__ visible at file scope.
5728 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
5729 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
5730 (function_id_node, pretty_function_id_node, func_id_node): New
5732 * c-decl.c (init_decl_processing): Initialize function_id_node,
5733 pretty_function_id_node, and func_id_node.
5734 (c_make_fname_decl): Correct comment.
5736 * tree.h (struct tree_identifier): Constify pointer member.
5738 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
5739 * c-pragma.h (struct weak_syms): Constify name and value members.
5740 (add_weak): Constify arguments.
5742 * calls.c (special_function_p): Constify a char *.
5743 (expand_call): Remove variable which is initialized and then
5745 * dependence.c (struct def_use, struct induction, struct subscript):
5746 Constify 'variable' member.
5747 (get_low_bound, have_induction_variable): Constify char * argument.
5748 (find_induction_variable): Add braces to avoid dangling else.
5749 (classify_dependence): Constify char * arrays.
5750 * profile.c (output_func_start_profiler): Constify a char *.
5751 * stor-layout.c (finalize_record_size): Constify a char *.
5752 * tree.c (is_attribute_p): Constify a char *.
5753 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
5755 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
5756 for comprehensibility. Do not call get_identifier if we did
5757 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
5758 create temporary string constants, not ggc_alloc_string. No
5759 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
5760 char * to hold IDENTIFIER_POINTERs.
5762 2000-08-29 Richard Henderson <rth@cygnus.com>
5764 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
5767 2000-08-29 Richard Henderson <rth@cygnus.com>
5769 * reload.c (push_secondary_reload): Allow class == reload_class
5770 if we're using a reload_in/out pattern.
5772 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
5773 the half that does not conflict with the reload register.
5774 (reload_outti): Likewise.
5776 2000-08-29 Kazu Hirata <kazu@hxi.com>
5778 * reload.c: Fix formatting.
5780 * stmt.c: Fix formatting.
5782 * gcc.c: Fix formatting.
5784 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5786 * flags.h (time_report, mem_report): New global flags.
5787 * toplev.c: Define time_report and mem_report.
5788 (f_options): Add -ftime-report and -fmem-report.
5789 (compile_file): Turn on time_report if quiet_flag is off.
5790 Call ggc_print_statistics at very end if mem_report is on.
5791 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
5793 * ggc-common.c (ggc_print_statistics): Rename to
5794 ggc_print_common_statistics; all callers changed. Scale
5795 quantities above 10K to kilobytes and above 10M to megabytes.
5796 * ggc-page.c (ggc_page_print_statistics): Rename to
5797 ggc_print_statistics. Report memory consumed by internal data
5798 structures for each allocation bucket. Scale quantities above
5799 10K to kilobytes and above 10M to megabytes.
5800 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
5801 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
5802 Define tally_leaves always.
5803 (ggc_print_statistics): New function.
5804 * ggc.h: Adjust for renamed functions.
5806 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
5808 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
5809 output_movsisf instead of which_alternative.
5811 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
5813 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
5815 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
5816 (avr_progmem_p): New prototype.
5817 (output_movsisf): Prototype declaration changed.
5818 (output_movqi): New prototype.
5819 (output_movhi): New prototype.
5820 (call_insn_operand): Likewise.
5821 (final_prescan_insn): Likewise.
5822 (avr_simplify_comparision_p): Likewise.
5823 (avr_normalize_condition): Likewise.
5824 (compare_eq_p): Likewise.
5825 (out_shift_with_cnt): Likewise.
5826 (const_int_pow2_p): Likewise.
5827 (output_reload_inhi): Prototype declaration changed.
5829 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
5830 (ldi_reg_rtx): New. rtx for r31.
5831 (avr_init_stack): Initialize as "__stack".
5832 (function_prologue): Use it.
5833 Replace all TARGET_ENHANCED with AVR_ENHANCED.
5834 (avr_mcu_name): Initialize as "avr2".
5835 (avr_enhanced_p, avr_mega_p): New variables.
5836 (mcu_types, avr_override_options): Handle all known MCU types.
5837 Also handle avr1 (only preprocess, assemble and link).
5838 (print_operand): Using of `%K' in output template removed.
5839 (out_movqi_r_mr): Optimized.
5840 (out_movhi_r_mr): Likewise.
5841 (output_movqi): New function.
5842 (output_movhi): Likewise.
5843 (out_movsi_r_mr): Optimized.
5844 (output_movsisf): Compute insn length for `adjust_insn_length'
5845 (out_movqi_mr_r): Optimized.
5846 (out_movhi_mr_r): Optimized.
5847 (adjust_insn_length): Use output_movsisf, output_movqi,
5848 output_movhi for insn length adjusting.
5849 (reg_unused_after): Use dead_or_set_p.
5850 (preferred_reload_class): Now havn't any restriction.
5851 (reg_was_0): New function.
5852 (io_address_p): Likewise.
5853 (const_int_pow2_p): Likewise.
5854 (output_reload_inhi): Likewise.
5855 (output_reload_insisf): Likewise.
5857 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
5858 (LIB_SPEC): Use -lc for all supported devices.
5859 (LIBGCC_SPEC): Use -lgcc for all supported devices.
5860 (AVR_MEGA): Define as avr_mega_p.
5861 (AVR_ENHANCED): New, define as avr_enhanced_p.
5862 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
5863 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
5864 (CRT_BINUTILS_SPECS): Handle all known MCU types.
5865 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
5866 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
5867 (ASM_SPEC): Pass -mmcu=... to the assembler.
5868 Change all -DAVR_* to -D__AVR_*__.
5869 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
5870 Rename library functions to start with two underscores.
5871 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
5873 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
5874 (SUPPORTS_WEAK): Likewise.
5875 (LDI_REG_REGNO): New. Register r31 will be used as temporary
5876 register for loading constants to r0-r14.
5878 * config/avr/avr.md: Replace all TARGET_ENHANCED with
5880 (*mov_r_sp): Removed. Handled by output_movhi.
5881 (*mov_sp_r): Likewise.
5882 (*mov_sp_r_no_interrupts): Likewise
5883 (*mov_sp_r_tiny): Likewise.
5884 (*movqi): Use output_movqi.
5885 (*reload_inqi): New.
5886 (*movhi): Use output_movhi.
5887 (*reload_inhi): New.
5888 (*negsi2): Optimized.
5889 (*negsf2): Likewise.
5890 Added peepholes (define_peephole2) for loading constants to r0-r14
5891 and for using `cpse' command.
5893 * config/avr/libgcc.S: Rename library functions to start with two
5895 Add support for enhanced core.
5896 (_moqhi3): Fix typo, now _modqi3.
5897 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
5898 (__prologue_saves__): Remove test for stack adjust by 0.
5899 (__tablejump__): New.
5901 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
5902 Add multilib support.
5904 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
5906 * loop.c (prescan_loop): Don't check unknown_address_altered
5907 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
5908 to loop_store_mems as necessary.
5909 (loop_invariant_p): Don't check unknown_address_altered
5910 or unknown_constant_address_altered.
5912 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5914 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
5916 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
5918 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
5919 print just the filename.
5920 * cpplex.c (_cpp_run_directive): Add additional argument, the
5921 name to give the synthetic buffer. This defaults to
5922 translated "<command line>".
5923 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
5925 (_cpp_define_builtin): New function.
5926 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
5927 * cpphash.h: Update prototypes.
5929 * tradcpp.c (main): Process -D and -U simultaneously, in the
5930 order they appeared on the command line.
5932 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5934 * c-decl.c (define_label): Call warning_with_file_and_line and
5935 error_with_file_and_line instead of plain warning or error.
5937 * c-parse.in (label): Use save_filename/save_lineno to ensure
5938 correct values for calls to define_label.
5940 2000-08-29 Mark Mitchell <mark@codesourcery.com>
5942 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
5944 * expr.c (expand_expr, case TARGET_EXPR): Don't call
5946 * tree.h (get_file_function_name): Remove two duplicate
5949 2000-08-28 Kazu Hirata <kazu@hxi.com>
5951 * tree.c: Fix formatting.
5953 * xcoffout.c: Fix formatting.
5955 2000-08-28 Jason Merrill <jason@redhat.com>
5957 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
5959 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5961 * dwarf2out.c (dwarf2out_finish): Don't bother calling
5962 break_out_includes if it won't do anything.
5964 2000-08-28 Richard Henderson <rth@cygnus.com>
5966 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
5967 (find_reloads): Likewise.
5968 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
5969 (reload_inhi): Likewise.
5971 2000-08-28 Richard Henderson <rth@cygnus.com>
5973 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
5974 (call_insn_operand): Don't expect a surrounding mem.
5975 (constant_call_address_operand): Likewise.
5976 * config/i386/i386.h (PREDICATE_CODES): Update.
5977 * config/i386/i386.md (call patterns): Move the match_operand
5978 for the call destination inside the mem.
5980 2000-08-28 Richard Henderson <rth@cygnus.com>
5982 * local-alloc.c (requires_inout): Don't use reserved range for
5983 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
5984 * recog.c (asm_operand_ok): Likewise.
5985 (preprocess_constraints, constrain_operands): Likewise.
5986 * regclass.c (record_reg_classes): Likewise.
5987 * reload.c (find_reloads): Likewise.
5988 * reload1.c (maybe_fix_stack_asms): Likewise.
5989 (reload_cse_simplify_operands): Likewise.
5990 * stmt.c (expand_asm_operands): Likewise.
5992 * md.texi: Update constraints documentation.
5993 * tm.texi (EXTRA_CONSTRAINT): Update.
5995 2000-08-28 Daniel Berlin <dberlin@redhat.com>
5997 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
5998 (print_die): If we don't know the offset of the
5999 target die, try the symbol. Add a trailing newline.
6000 (reverse_all_dies): New fn.
6001 (dwarf2out_finish): Call it.
6002 (break_out_includes): Reorganize for clarity.
6003 (add_sibling_attributes): Don't call reverse_die_lists.
6004 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
6006 * flags.h: Add flag_eliminate_dwarf2_dups.
6007 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
6009 2000-08-28 Jason Merrill <jason@redhat.com>
6011 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
6012 * dwarf2out.c: #include "md5.h".
6013 (DIE_LABEL_PREFIX): New macro.
6014 (dw_val_struct): Add 'external' flag to val_die_ref.
6015 (add_AT_die_ref, AT_ref): Adjust.
6016 (AT_ref_external, set_AT_ref_external): New fns.
6017 (build_abbrev_table): Call set_AT_ref_external.
6018 (value_format): Call AT_ref_external.
6019 (die_struct): Add die_symbol field.
6020 (new_die): Clear it.
6021 (dwarf_tag_name): Handle BINCL/EINCL.
6022 (dwarf2out_start_source_file): Add BINCL DIE.
6023 (dwarf2out_end_source_file): Add EINCL DIE.
6024 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
6025 (loc_checksum, attr_checksum, die_checksum): New fns.
6026 (is_type_die, is_comdat_die, is_symbol_die): New fns.
6027 (compute_section_prefix, assign_symbol_names): New fns.
6028 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
6029 (output_die): Call output_die_symbol and AT_ref_external.
6030 (output_comdat_comp_unit): New fn, split out from...
6031 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
6033 (output_pubnames, output_aranges): Abort if we see entries from
6035 * toplev.h: Declare file_name_nondirectory.
6036 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
6037 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
6038 (debug_start_source_file): Call dwarf2out_start_source_file
6039 regardless of debug verbosity.
6040 (debug_end_source_file): Similarly.
6041 * tree.h: Declare clean_symbol_name.
6042 * tree.c (clean_symbol_name): Split out from...
6043 (get_file_function_name_long): ...here.
6045 * dwarf2out.c (new_loc_descr): Use calloc.
6046 (splice_child_die): Remove the die from the right parent.
6047 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
6049 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6051 * toplev.c (decode_g_option): Don't give warning for unknown -g
6052 option; return 0 instead.
6053 (main): If -g option is not recognized by front end or
6054 language-independent code, give warning.
6056 2000-08-28 Greg McGary <greg@mcgary.org>
6058 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
6059 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
6060 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
6062 2000-08-27 Greg McGary <greg@mcgary.org>
6064 * cpplex.c (parse_string): Don't look for backslash
6065 before first char in `namebuf'.
6066 * loop.c (strength_reduce): Skip NOTEs.
6068 2000-08-27 Jason Merrill <jason@redhat.com>
6070 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
6071 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
6072 TREE_ASM_WRITTEN, either.
6073 (finish_decl): Adjust.
6075 2000-08-28 Philipp Thomas <pthomas@suse.de>
6077 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
6078 they have been incorporated into the gettext CVS. Change the text to
6079 reflect the current status of NLS. Add instructions for accessing
6080 the gettext CVS and add the patch from Martin v. Loewis.
6082 2000-08-27 Geoff Keating <geoffk@cygnus.com>
6084 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
6085 by using gen_lowpart_common.
6086 (movdi_internal64+6): Likewise.
6088 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
6090 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
6093 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
6094 numbers to the ranges used by GDB.
6096 2000-08-25 Richard Henderson <rth@cygnus.com>
6098 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
6099 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
6100 (ia64_expand_prologue): Likewise.
6101 (ia64_setup_incoming_varargs): Set it. Properly skip the current
6102 argument for stdargs.
6104 2000-08-25 Jason Merrill <jason@redhat.com>
6106 * integrate.c (expand_inline_function): Pull out the original decl.
6108 2000-08-25 Jim Wilson <wilson@cygnus.com>
6110 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
6112 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
6114 2000-08-25 Greg McGary <greg@mcgary.org>
6116 * flow.c (dump_edge_info): Use ARRAY_SIZE.
6117 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
6119 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
6121 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
6123 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
6125 * i386.c (ix86_find_base_term): New.
6126 * i386-protos.h (ix86_find_base_term): Prototype.
6127 * i386.h (FIND_BASE_TERM): Define.
6128 * alias.c (find_base_term): Use it.
6129 * tm.texi (FIND_BASE_TERM): Document it.
6131 * alias.c (true_dependence, write_dependence_p): Unchanging
6132 memory can't conflict with non-unchanging memory.
6134 * alias.c (memrefs_conflict_p): A BLKmode reference
6135 to a symbol (or CONST_INT address) always conflicts
6136 with a reference to another symbol.
6138 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
6140 * c-common.c (time_char_table): Don't allow width and flags with
6143 2000-08-25 Jakub Jelinek <jakub@redhat.com>
6145 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
6146 way as LT and LTU when the second operand has 0 in low word.
6148 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6150 * basic-block.h (struct loop): Rename `exits' field to
6151 `exit_edges'. Add `entry_edges' and `num_entries' fields.
6153 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
6154 (flow_loop_entry_edges_find): Add.
6155 (flow_edge_list_print): Rename from flow_exits_print.
6156 (flow_loops_find): Call flow_loop_entry_edges_find.
6157 (flow_loop_dump): Dump entry_edges list.
6158 (flow_loops_free): Free entry_edges.
6160 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6162 * loop.c (loop_dump_aux, debug_loop): New functions.
6163 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
6165 * flow.c (flow_loops_dump): Add callback parameter.
6166 (flow_loop_dump): Add callback parameter and call it. Move
6167 loop note debugging code to loop_dump_aux.
6169 * basic-block.h (flow_loop_dump): Add callback parameter
6170 (flow_loops_dump): Likewise.
6172 * toplev.c (rest_of_compilation): Add NULL callback function pointer
6173 to call to flow_loops_dump.
6175 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6177 * loop.c (count_loop_regs_set): Replace start and end arguments
6178 with loop argument. All callers udated.
6180 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6182 * loop.c (constant_high_bytes): Delete.
6184 2000-08-26 Michael Hayes <mhayes@cygnus.com>
6186 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
6187 and NOTE_INSN_LOOP_VTOP to...
6188 (find_and_verify_loops) ...here.
6190 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
6192 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
6193 (fini_dummy, init_dummy): Use it.
6195 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
6197 * cpplex.c (is_macro_disabled): Caller has already checked
6198 that we're not a preprocessed file.
6200 2000-08-24 Mark Mitchell <mark@codesourcery.com>
6202 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
6203 (c-iterate.o): Remove target.
6204 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
6205 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
6206 (finish_decl): Don't handle iterators.
6207 (grokdeclarator): Likewise.
6208 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
6209 * gcc/c-gperf.h: Regenerated.
6210 * gcc/c-iterate.c: Removed.
6211 * gcc/c-lex.c (init_lex): Don't handle iterators.
6212 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
6213 (compstmt_primary_start): Remove push_iterator_stack call.
6214 (stmt): Don't allow iterator statements. Replace iterator_expand
6215 with expand_expr_stmt.
6216 (all_iter_stmt): Remove.
6217 (all_iter_stmt_simple): Likewise.
6218 (all_iter_stmt_with_decl): Likewise.
6219 * gcc/c-tree.h (ITERATOR_P): Remove.
6220 (ITERATOR_BOUND_P): Likewise.
6221 (init_iterators): Remove declaration.
6222 (iterator_expand): Likewise.
6223 (iterator_for_loop_start): Likewise.
6224 (iterator_for_loop_end): Likewise.
6225 (iterator_for_loop_record): Likewise.
6226 (push_iterator_stack): Likewise.
6227 (pop_iterator_stack): Likewise.
6228 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
6229 (readonly_warning): Likewise.
6230 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
6232 2000-08-24 Jim Wilson <wilson@cygnus.com>
6234 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
6235 Copy type in a TYPE_DECL, just like pushdecl does.
6237 2000-08-24 Richard Henderson <rth@cygnus.com>
6239 * toplev.c (main): Enable flag_reorder_blocks at -O2.
6241 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
6243 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
6244 asked for one page, allocate GGC_QUIRE_SIZE of them and put
6245 the extras on the free list.
6246 (release_pages): Clean up.
6247 (ggc_set_mark): Don't adjust G.allocated here...
6248 (sweep_pages): ... do it here.
6250 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
6252 * cppfiles.c (read_include_file): Rearrange initializations.
6254 2000-08-24 Richard Henderson <rth@cygnus.com>
6256 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
6258 * config/ia64/ia64-protos.h: Update.
6259 * config/ia64/ia64.c (gr_register_operand): New.
6260 (fr_register_operand, grfr_register_operand): New.
6261 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
6262 (grfr_reg_or_8bit_operand): New.
6263 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
6264 use gr_register_operand.
6265 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
6266 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
6267 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
6268 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
6269 (fr_reg_or_fp01_operand): Likewise.
6270 (not_postinc_memory_operand): New.
6271 (ia64_split_timode): Remove unused variables.
6272 (rtx_needs_barrier): Check arguments to cmpxchg.
6273 (builtin_description): Remove.
6274 (bdesc_2argsi, bdesc_2argdi): Remove.
6275 (ia64_init_builtins): Declare all builtins directly.
6276 (ia64_expand_fetch_and_op): Rewrite to be called from
6277 ia64_expand_builtin directly. Use expand_binop and co.
6278 (ia64_expand_op_and_fetch): Likewise.
6279 (ia64_expand_compare_and_swap): Likewise.
6280 (ia64_expand_binop_builtin): Remove.
6281 (ia64_expand_lock_test_and_set): New.
6282 (ia64_expand_lock_release): New.
6283 (ia64_expand_builtin): Use them.
6284 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
6285 (EXTRA_CONSTRAINT): Use it.
6286 (PREDICATE_CODES): Update.
6287 * config/ia64/ia64.md (*): Use gr_register_operand and co.
6288 (mf): Indicate that we set memory as well as use it.
6289 (fetchadd_acq_si): Show memory being modified as well.
6290 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
6291 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
6292 (lock_test_and_set_si, lock_test_and_set_di): Remove.
6293 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
6294 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
6295 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
6296 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
6297 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
6298 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
6299 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
6300 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
6301 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
6302 return type. Pretty print definitions.
6304 2000-08-24 Jim Wilson <wilson@cygnus.com>
6306 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
6307 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
6309 2000-08-24 Jason Merrill <jason@redhat.com>
6311 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
6312 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
6313 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
6314 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
6316 2000-08-24 Greg McGary <greg@mcgary.org>
6318 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
6319 and extendtab within their proper array boundaries.
6320 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
6321 for the entire array.
6323 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
6324 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
6325 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
6326 * config/fr30/fr30.c (fr30_print_operand): Likewise.
6327 * config/i386/dgux.c (output_options): Likewise.
6328 * config/i386/dgux.h (ASM_FILE_START): Likewise.
6329 * config/m88k/m88k.c (output_options): Likewise.
6330 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
6331 * config/mcore/mcore.c (mcore_output_inline_const_forced,
6332 layout_mcore_frame, handle_structs_in_regs): Likewise.
6333 * config/mips/mips.c (output_block_move): Likewise.
6334 * config/rs6000/rs6000.c (rs6000_override_options,
6335 rs6000_file_start): Likewise.
6336 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
6337 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
6338 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
6339 * builtins.c (expand_builtin_setjmp): Likewise.
6340 * expr.c (safe_from_p): Likewise.
6341 * flow.c (life_analysis): Likewise.
6342 * fold-const.c (size_int_type_wide): Likewise.
6343 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
6344 * genattrtab.c (make_length_attrs): Likewise.
6345 * genopinit.c (gen_insn): Likewise.
6346 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
6347 * global.c (global_alloc): Likewise.
6348 * local-alloc.c (find_free_reg): Likewise.
6349 * mips-tdump.c (print_symbol): Likewise.
6350 * mips-tfile.c (parse_def, parse_input): Likewise.
6351 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
6352 * stmt.c (expand_nl_goto_receiver): Likewise.
6353 * stor-layout.c (set_sizetype): Likewise.
6354 * varasm.c (decode_reg_name): Likewise.
6355 * toplev.c (decode_f_option, decode_W_option,
6356 set_target_switch, print_switch_values): Likewise.
6357 (NUM_ELEM): Remove macro.
6358 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
6360 2000-08-24 Greg McGary <greg@mcgary.org>
6362 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
6363 (MAIN_NAME_P, main_identifier_node): New macros.
6364 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
6365 * c-decl.c (start_decl, grokdeclarator, start_function,
6366 store_parm_decls, finish_function): Use MAIN_NAME_P.
6367 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
6368 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
6369 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
6370 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
6372 2000-08-24 Greg McGary <greg@mcgary.org>
6374 * cppfiles.c (actual_directory): Don't write beyond `dir'
6375 when it contains "".
6376 * real.c (asctoeg): Stay within bounds of etens[][].
6378 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6380 * dependence.c (dependence_string, direction_string,
6381 dump_one_node, dump_node_dependence): Hide unused identifiers.
6382 (get_low_bound, normalize_coefficients): Match definition to
6384 (get_one_coefficient): Initialize variables `value0_is_idx' and
6386 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
6387 (ziv_test): Delete variable `idx', use parameter `sub' instead.
6388 (direction_merge): Avoid automatic aggregate initialization.
6389 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
6390 Initialize variables `dest_idx' and `src_idx'.
6391 (end_dependence_analysis): Avoid C89 style function definition.
6393 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
6395 * c-common.c (time_char_table): Don't allow width with %F.
6396 (check_format_info): Don't allow "Z" length with scanf.
6398 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
6400 * diagnostic.c (finish_diagnostic): Define.
6401 (output_do_printf): Use wrap_text instead of output_add_string.
6402 (default_print_error_function): Avoid embedded '\n'.
6404 * diagnostic.h (flush_diagnostic_buffer): Declare.
6406 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
6408 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
6410 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
6412 * Makefile.in (GCC_PASSES): Add specs.
6414 2000-08-23 Jim Wilson <wilson@cygnus.com>
6416 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
6417 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
6418 EHANDLER nor UHANDLER bit is set.
6419 (__get_except_table): Likewise.
6421 2000-08-23 Nick Clifton <nickc@redhat.com>
6423 * config/arm/lib1funcs.asm: Replace upper case condition codes
6424 with lower case versions.
6426 * config/arm/arm.h (STRUCT_VALUE): Define.
6427 (STRUCT_VALUE_REGNUM): Delete.
6429 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
6431 * cpphash.h (IN_I): New flag for directive table.
6432 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
6434 (_cpp_check_directive): If -fpreprocessed, execute directives
6435 marked with IN_I. Issue no warnings in this case.
6436 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
6438 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
6440 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
6442 (check_format_info): Support printf 'I' flag; warn about it with
6445 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
6447 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
6448 barrier can't be ignored by the alias analysis code.
6450 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
6452 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
6453 works inside fixincl.
6455 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
6457 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
6458 simplify_relational_operation() unless both operands are of
6460 * cse.c (fold_rtx): Likewise.
6462 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
6464 * rtlanal.c (rtx_unstable_p): The pic register is stable
6465 (within one function) and the actual rtx should be used
6466 when checking the registers.
6467 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
6469 * alias.c (true_dependence, write_dependence_p): Fix
6470 bug in previous patch.
6472 * i386.c (ix86_GOT_alias_set): New.
6473 (legitimize_pic_address): Use it.
6475 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
6476 only stable if its address is stable.
6477 (rtx_varies_p): An unchanging MEM can't vary if
6478 its address doesn't vary.
6480 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6482 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
6484 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6486 * vax.h (ASM_SPEC): Pass `-J' to assembler.
6487 * x-vax-gcc: New file for bootstrapping with gcc.
6488 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
6489 * configure.in: Use x-vax-gcc with gcc.
6490 * configure: Rebuilt.
6492 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6494 * toplev.c (rest_of_compilation): Rebuild label notes after
6495 post-reload splitting pass if new labels have been created.
6497 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6499 * diagnostic.h (output_buffer_state): New macro.
6500 * diagnostic.c (diagnostic_for_decl, sorry,
6501 default_print_error_function, output_do_verbatim,
6502 report_diagnostic, report_problematic_module): Use it.
6504 (output_format): Use wrap_text instead of maybe_wrap_text.
6506 2000-08-22 Nick Clifton <nickc@redhat.com>
6508 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
6509 Common code for ARM divide and modulus functions.
6510 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
6512 (FUNC_END): New macro: Common code at the end of the division and
6514 (THUMB_FUNCTION_START): New macro: Common code at the start of
6516 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
6518 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
6520 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
6522 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
6523 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
6526 2000-08-22 Nick Clifton <nickc@redhat.com>
6528 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
6529 restorative additions, test for bottom bits of IP being set,
6530 rather than relying upon the RORs not matching.
6533 2000-08-22 David Edelsohn <edelsohn@gnu.org>
6535 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
6536 text_section() as appropriate instead of emitting text csect
6538 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
6539 (UNIQUE_SECTION): Define macro.
6540 (ASM_OUTPUT_SECTION_NAME): Define macro.
6541 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
6542 on AIX if debugging and -fdata-sections always.
6544 2000-08-22 Steven King <sxking@uswest.net>
6546 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
6548 (LDBL_MAX): Same here.
6550 2000-08-22 Richard Henderson <rth@cygnus.com>
6552 * flow.c (tidy_fallthru_edge): Update b->end properly.
6554 2000-08-22 Stan Cox <scox@redhat.com>
6556 * Makefile.in (OBJS): Add dependence.o.
6557 * dependence.c: New file.
6559 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
6561 * calls.c (check_sibcall_argument_overlap_1): Adjust for
6563 (check_sibcall_argument_overlap): Likewise.
6565 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
6567 * invoke.texi (SH Options): Document -m4-nofpu,
6568 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
6569 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
6571 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
6573 * c-common.c (check_format_info): Give the 'some locales' warning
6574 for strftime %Ey rather than the unconditional 'only last 2 digits
6577 2000-08-22 Richard Henderson <rth@cygnus.com>
6579 * alias.c (init_alias_analysis): Do not register
6580 struct_value_incoming_rtx or static_chain_rtx as pointing
6583 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
6585 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
6587 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
6589 * diagnostic.h (report_problematic_module): Declare.
6590 * diagnostic.c (report_problematic_module): New function.
6591 (report_error_function): Tweak.
6593 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6595 * stmt.c (expand_goto_internal, fixup_gotos): Only check
6596 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
6598 2000-08-21 Richard Henderson <rth@cygnus.com>
6600 * flow.c (calculate_global_regs_live): Mark frame pointer live
6601 everywhere before reload.
6603 2000-08-21 Jim Wilson <wilson@cygnus.com>
6605 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
6606 INTEL_EXTENDED_IEEE_FORMAT.
6607 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
6608 clear last two bytes of output FP value.
6610 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
6612 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
6614 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6616 * unroll.c (loop_find_equiv_value): If ret is modified between
6617 insn and loop_start, ret might not be equivalent to reg.
6619 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6621 * c-common.c (init_dollar_format_checking,
6622 maybe_read_dollar_number, finish_dollar_format_checking): New
6624 (dollar_arguments_used, dollar_arguments_count,
6625 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
6627 (check_format_info): Support $ formats for scanf and printf width
6628 and precision. Always increment format_chars to advance past the
6629 '*' of precision, not just when the format parameters are
6632 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6634 * mips.c (block_move_loop, expand_block_move,
6635 function_arg_partial_nregs, save_restore_insns, function_prologue,
6636 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
6638 (function_arg_advance, function_arg): Match argument to format
6641 2000-08-21 Nix <nix@esperi.demon.co.uk>
6643 * gcc.c (do_spec_1): Implement %j spec flag.
6644 Remove dead comment.
6646 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
6647 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
6648 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
6649 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
6651 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
6652 writable) instead of hardcoded value.
6654 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
6656 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
6659 * gcc.c (cc1_options): Do not process -o or run the assembler if
6661 * objc/lang-spec.h: Likewise.
6663 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
6665 * fixinc/fixincl.c (fix_with_system): Pipe the output of
6666 "external" fixes through `cat', to avoid truncating the input
6667 file by redirection.
6669 2000-08-21 Jakub Jelinek <jakub@redhat.com>
6671 * config/i386/i386.md (lea_general_1): Copy insn condition to split
6673 (lea_general_2, lea_general_3): Likewise.
6675 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6677 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
6678 warnings to user code.
6680 * c-lex.c (readescape, yylex): Likewise.
6682 * c-typeck.c (store_init_value, process_init_element): Likewise
6683 (c_expand_start_case): Format.
6685 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
6687 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
6689 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
6690 and linker_endian_spec to endian_spec.
6691 (ENDIAN_SPEC): Add %{EB} and %{EL}.
6692 (LINK_SPEC): Remove %{EB} and %{EL}.
6693 (ASM_SPEC): Likewise. Use %(endian_spec).
6695 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6697 * c-tree.h (flag_hosted): Move declaration from here...
6698 * c-common.h (flag_hosted): ... to here.
6699 (flag_noniso_default_format_attributes): New declaration.
6700 * c-decl.c (flag_noniso_default_format_attributes): New variable.
6701 (c_decode_option): Set it appropriately for options choosing
6702 language standard variant.
6703 * c-common.c (init_function_format_info): Only provide default
6704 format attributes if flag_hosted. Only provide the gettext
6705 formats if flag_noniso_default_format_attributes. Update
6707 (check_format_info): Disable treatment of %a as a scanf flag in
6710 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
6712 * c-common.c (scan_char_table): Add 'w' to flags for all formats
6714 (check_format_info): Set 'wide' for scanf format widths. Warn for
6715 a zero scanf width. Make the check for writing into a constant
6716 object at the first level of indirection; at later levels, warn if
6717 any type qualifiers are encountered.
6719 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
6721 * reload.c (reload_inner_reg_of_subreg): New function broken out of
6723 (push_reload): Use reload_inner_reg_of_subreg.
6724 (combine_reloads): Do not combine reloads if the input reload
6725 is a SUBREG in which the inner part will need reloading.
6727 * global.c (global_alloc): Avoid passing dumpfile argument to
6729 * toplev.c (rest_of_compilation): Likewise.
6730 * reload.h (reload): Remove dumpfile argument. Callers changed.
6731 (debug_reload, debug_reload_to_stream): Move prototypes here.
6732 * rtl.h (reload): Remove dumpfile argument.
6733 * reload.c (debug_reload): Remove prototype.
6734 (debug_reload_to_stream): Likewise.
6735 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
6738 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6740 * diagnostic.c (context_as_prefix): Export.
6741 (need_error_newline): Remove.
6742 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
6743 (error_module_changed, record_last_error_module,
6744 error_function_changed, record_last_error_function): New functions.
6745 (initialize_diagnostics): Default intialize
6746 lang_diagnostic_starter, lang_diagnostic_finalizer.
6747 (init_output_buffer): Tweak.
6748 (file_name_as_prefix): New function.
6749 (announce_function, default_print_error_function,
6750 report_error_function, set_diagnostic_context): Tweak.
6752 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
6754 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
6755 condition expression.
6757 2000-08-20 Richard Henderson <rth@cygnus.com>
6759 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
6761 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
6763 * cppinit.c (cpp_init): Set global flag when called.
6764 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
6766 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
6768 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
6769 before `process_directive' so that newlines won't be missed
6771 (cpp_printf): Increment `print->lineno' when newline is emitted.
6773 * cppmain.c (cb_ident): Likewise.
6774 (cb_define): Likewise.
6775 (cb_undef): Likewise.
6776 (cb_include): Likewise.
6777 (cb_def_pragma): Likewise.
6778 (dump_macros_helper): Likewise.
6780 2000-08-20 Richard Henderson <rth@cygnus.com>
6782 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
6783 assigned before a loop.
6785 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
6786 (ashrsi3, lshrsi3): Likewise.
6788 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6790 * c-lang.c: #include diagnostic.h
6791 (c_tree_printer): New function.
6792 (lang_init): Initialize lang_printer.
6794 * Makefile.in (c-lang.o): Depends on diagnostic.h
6796 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
6798 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
6800 * diagnostic.c (default_diagnostic_starter,
6801 default_diagnostic_finalizer): New functions.
6802 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
6803 (pedwarn, pedwarn_with_file_and_line, error,
6804 error_with_file_and_line, fatal, warning,
6805 warning_with_file_and_line): Adjust call to report_diagnostic.
6806 (report_diagnostic): Rework.
6807 (set_diagnostic_context): New function.
6809 * diagnostic.h (struct diagnostic_context): New data structure.
6810 (diagnostic_message, diagnostic_argument_list,
6811 diagnostic_file_location, diagnostic_line_location,
6812 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
6813 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
6814 (set_diagnostic_context): Declare.
6815 (report_diagnostic): Change prototype.
6817 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
6819 * fix-header.c (main): Initialize cpplib.
6821 2000-08-19 Michael Meissner <meissner@redhat.com>
6823 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
6824 instructions in it before checking for indirect jumps.
6826 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
6827 in a indirect jump as a potential for conditional execution.
6829 * d30v.h (d30v_init_expanders): Don't declare here.
6830 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
6833 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
6835 * cpp.texi: Add @section for assertions.
6837 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
6839 * loop.c (scan_loop): Use CONST_CALL_P instead of
6840 checking for REG_LIBCALL / REG_RETVAL.
6842 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
6844 * reload1.c (reload_as_needed): Accept dumpfile argument,
6845 pass it to emit_reload_insns.
6846 (emit_reload_insns): Add new dumpfile argument. If non-null
6847 then dump the reloads for each insn into the dumpfile.
6848 (reload): Pass dumpfile to reload_as_needed.
6850 * invoke.texi: Clean up linux-gnu vs linux comments.
6852 2000-08-19 Richard Henderson <rth@cygnus.com>
6854 * config/ia64/ia64.c (reg_or_5bit_operand): New.
6855 (ia64_depz_field_mask): New.
6856 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
6857 (PREDICATE_CODES): Update.
6858 * config/ia64/ia64.md: Update commentary.
6859 (depz_internal): New.
6860 (ashlsi3): Implement directly.
6861 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
6862 (ashldi3): Use shladd.
6863 * config/ia64/ia64-protos.h: Update.
6865 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6867 * toplev.c (independent_decode_option): Always process -g.
6868 Remove third argument, now unused. Adjust caller to match.
6870 2000-08-18 Richard Henderson <rth@cygnus.com>
6872 * combine.c (make_compound_operation): Break after creating
6875 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
6877 * cpplib.c (cpp_register_pragma_space): Just return if the
6878 namespace is already registered.
6880 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
6882 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
6883 constant amount. Do not generate ROTL instruction.
6885 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
6887 * config/sh/elf.h: Do not include sh/sh.h.
6888 * config/sh/rtems.h: Likewise.
6889 * config/sh/rtemself.h: Do not include sh/elf.h.
6890 * configure.in: Get them included with `tm_file's.
6891 * configure: Rebuilt.
6893 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
6894 * config/sh/sh.c (fpscr_set_from_mem): Use them.
6896 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6898 * stor-layout.c (compute_record_type): Don't use mode of single
6899 field as mode of record if not integer mode of same type.
6901 * regmove.c (perhaps_ends_bb_p): New function.
6902 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
6903 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
6904 (fixup_match_1): Likewise.
6905 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
6906 avoid signed/unsigned warnings.
6908 * function.c (fixup_var_refs_1, case MEM): Update CODE after
6911 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
6913 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
6914 (_cpp_trigraph_map): Declaration moved from cpplex.c
6916 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
6917 instead of 256. Use consistent test for designated initializers.
6918 (cpp_init): Initialize trigraph_map.
6919 (initialize_standard_includes, parse_option): Use memcmp
6922 * cpplex.c (init_trigraph_map): Remove.
6923 (trigraph_ok, trigraph_replace, lex_line): Refer to
6926 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
6927 (do_unassert): Remove unused "next" local.
6929 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
6931 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
6933 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
6936 2000-08-17 Richard Henderson <rth@cygnus.com>
6938 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
6939 the first insn in a sequence.
6941 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
6943 * alias.c (true_dependence, write_dependence_p): A read
6944 involving a label_ref or the constant pool doesn't create
6947 * rtl.h (unchanging): Improve documentation.
6949 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
6951 * cse.c (insert_regs): Remove unused `regno'.
6953 2000-08-17 Neil Booth <NeilB@earthling.net>
6955 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
6956 remove_dup_dirs. If qtail == brack, remove brack not
6958 (remove_dup_dir, remove_dup_dirs): New functions.
6960 2000-08-17 Neil Booth <NeilB@earthling.net>
6962 * cppinit.c (cpp_cleanup): Free include dir chains.
6963 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
6964 (do_unassert): Free the assert with _cpp_free_definition.
6965 * cppmacro.c (_cpp_free_definition): Free memory allocated for
6966 assertions. Make the node a T_VOID node.
6968 2000-08-17 Neil Booth <NeilB@earthling.net>
6970 * cppinit.c (path_include, append_include_chain):
6971 Remove 2nd parameter (struct cpp_pending *).
6972 (path_include, initialize_standard_includes, cpp_handle_option):
6973 Update callers appropriately.
6974 (cpp_handle_option): Use pend.
6976 2000-08-17 Neil Booth <NeilB@earthling.net>
6978 * cppinit.c (sort_options): Remove, put functionality in
6981 (initialize_builtins): Free memory.
6982 (cpp_start_read): Move init_IStable to cpp_init.
6984 * cpplib.h (cpp_init): New prototype.
6985 * cppmain.c (main): Call cpp_init.
6987 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
6989 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
6990 (rtx_unstable_p, rtx_varies_p): Process vectors.
6992 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
6994 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
6995 references to GLOBAL symbols. Use LOCAL where appropriate.
6997 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6999 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
7000 use t-aix41 when host == target.
7002 2000-08-16 Richard Henderson <rth@cygnus.com>
7004 * reload.c (push_secondary_reload): Revert last change.
7005 If we use a reload_in/out pattern, make the when the same
7006 as the primary reload.
7007 (find_reloads): Likewise.
7009 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
7011 * configure.in (libstdcxx-v3): Fix test.
7012 * configure: Regenerate.
7014 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7016 * calls.c (calls_function_1, expand_call): Only test
7017 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
7018 * function.c (thread_prologue_and_epilogue_insns): Likewise.
7020 2000-08-16 Richard Henderson <rth@cygnus.com>
7022 * combine.c (simplify_shift_const): Revert previous two
7023 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
7024 before the main loop.
7026 2000-08-15 Richard Henderson <rth@cygnus.com>
7028 * combine.c (simplify_shift_const): Bound shift count when
7031 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7033 * calls.c (ECF_SP_DEPRESSED): New macro.
7034 (calls_function_1): Treat calling sp-depressed function as alloca.
7035 (emit_call_1): Don't adjust SP if calling sp-depressed function.
7036 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
7037 If sp-depressed, ensure block saves and restores SP.
7038 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
7040 * function.c (keep_stack_depressed): New function.
7041 (thread_prologue_and_epilogue_insns): Call it.
7042 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
7043 to print DECL_OFFSET_ALIGN.
7044 Print no-force-blk and transparent-union flags properly.
7045 * stmt.c (expand_goto_internal): Don't restore stack if last block
7046 and function returns with sp depressed.
7047 (fixup_gotos): Likewise.
7048 (save_stack_pointer): New function, from code in expand_decl.
7049 (expand_decl): Call new function.
7050 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
7051 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
7052 (save_stack_pointer): New declaration.
7054 * diagnostic.c (fatal_function): New variable.
7055 (set_fatal_function): New function.
7057 * diagnostic.h (set_fatal_function): New declaration.
7059 2000-08-15 William Cohen <wcohen@redhat.com>
7061 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
7062 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
7063 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
7065 2000-08-15 Richard Henderson <rth@cygnus.com>
7067 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
7069 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7071 * arm.c (arm_function_ok_for_sibcall): New function.
7072 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
7073 * arm.md (call expanders): Don't check here for calls that can't
7076 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7078 * arm.md (splits generating cond_exec): Disable.
7080 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7082 * arm/linux-elf.h (text_section): Delete declaration.
7084 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
7086 ARM support for unordered FP operations.
7087 * arm-protos.h (arm_comparison_operator): Declare.
7088 * arm.c (arm_comparison_operator): New function.
7089 (arm_select_cc_mode): Add unordered comparison codes.
7090 (get_arm_condition_code): Likewise.
7091 (arm_final_prescan_insn): Can't handle unordered jumps that can't
7092 be done in one insn.
7093 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
7094 * arm.md (all uses of comparison_operator): Replace with
7095 arm_comparison_operator.
7096 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
7098 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
7101 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7103 * gthr-posix.h: Conditionally include <sched.h>; include
7104 <config.h> from libobjc/.
7106 2000-08-14 Richard Henderson <rth@cygnus.com>
7108 * config/i386/i386.c (legitimize_pic_address): Use Pmode
7111 2000-08-14 Richard Henderson <rth@cygnus.com>
7113 * configure.in (ia64-*): Set float_format for i386 long double.
7115 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
7116 as we would for i386 XFmode.
7117 (PUT_REAL): Likewise.
7118 (endian, ereal_atof, real_value_truncate): Likewise.
7119 (ereal_isneg, toe64, etens, make_nan): Likewise.
7120 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
7122 * config/ia64/ia64-protos.h: Update.
7123 * config/ia64/ia64.c (general_tfmode_operand): New.
7124 (destination_tfmode_operand): New.
7125 (tfreg_or_fp01_operand): New.
7126 (ia64_split_timode): New.
7127 (spill_tfmode_operand): New.
7128 (ia64_expand_prologue): Use TFmode not XFmode.
7129 (ia64_expand_epilogue): Likewise.
7130 (ia64_function_arg): Likewise.
7131 (ia64_function_arg_advance): Likewise.
7132 (ia64_return_in_memory): Likewise.
7133 (ia64_function_value): Likewise.
7134 (ia64_print_operand): Likewise.
7135 (ia64_register_move_cost): Set GR<->FR to 5.
7136 (ia64_secondary_reload_class): Get GR for TImode memory op.
7137 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
7138 (ROUND_TYPE_ALIGN): Remove.
7139 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
7140 (INTEL_EXTENDED_IEEE_FORMAT): Define.
7141 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
7142 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
7143 (MODES_TIEABLE_P): Use TFmode, not XFmode.
7144 (CLASS_MAX_NREGS): Likewise.
7145 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
7146 (PREDICATE_CODES): Update.
7147 * config/ia64/ia64.md (movti): New.
7148 (movti_internal): Use a clobber for memory alternatives.
7149 (reload_inti, reload_outti): New.
7150 (movsfcc_astep): Predicate properly.
7151 (movdfcc_astep): Likewise.
7154 (extendsftf2, extenddftf2): New.
7155 (trunctfsf2, trunctfdf2): New.
7156 (floatditf2, fix_trunctfdi2): New.
7157 (floatunsditf2, fixuns_trunctfdi2): New.
7158 (addtf3, subtf3, multf3, abstf2): New.
7159 (negtf2, nabstf2, mintf3, maxtf3): New.
7160 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
7162 (fr_spill): Use TFmode, not XFmode.
7163 (fr_restore): Likewise.
7164 * config/ia64/lib1funcs.asm (__divtf3): New.
7165 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
7167 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7169 * cse.c (fold_rtx): Avoid empty body in an if-statement.
7171 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
7172 `U' integer constant suffix.
7174 * dwarf2out.c (add_subscript_info): Avoid empty body in an
7177 * sparc/sol2.h (__enable_execute_stack): Prototype.
7179 2000-08-14 David Edelsohn <edelsohn@gnu.org>
7181 * collect2.c: Remove use of AIX import file.
7183 * longlong.h: Test ARCH_PWR not ARCH_POWER.
7185 * rs6000.c (print_operand, case 'E'): Add else.
7187 2000-08-14 Richard Henderson <rth@cygnus.com>
7189 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
7190 (movdi_symbolic): New.
7192 2000-08-14 Jim Wilson <wilson@cygnus.com>
7194 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
7195 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
7196 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
7199 2000-08-14 Richard Henderson <rth@cygnus.com>
7201 * expr.c (emit_group_load): Don't force constants into registers.
7202 Special case source already in the correct mode.
7204 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
7206 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
7207 * fixinc/inclhack.def: Likewise.
7208 * fixinc/mkfixinc.sh: Likewise.
7209 * configure: Regenerate.
7210 * fixinc/fixincl.x: Regenerate.
7211 * install.texi: Document equivalence of linux and linux-gnu.
7213 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7215 * cse.c (insert_regs): Also in REG case: When finding an invalid
7216 value, and we make a new quantity, make sure that it won't be
7217 mistaken by for a valid one by mention_regs.
7219 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
7221 * h8300.md: Remove obsolete peepholes.
7223 2000-08-13 Kazu Hirata <kazu@hxi.com>
7225 * invoke.texi (H8/300 Options): Fix typos.
7226 * config/h8300.c: Fix formatting.
7227 * config/h8300.h: Fix comment typos.
7228 (OVERRIDE_OPTIONS): Fix formatting.
7230 * function.c: Fix formatting.
7232 * cse.c: Fix formatting.
7234 2000-08-13 Geoff Keating <geoffk@cygnus.com>
7236 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
7237 (attempt_auto_inc): Suppress parentheses warning.
7238 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
7239 * loop.c (load_mems): Remove `u' suffix in two places.
7240 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
7242 * config/rs6000/rs6000.h: Likewise.
7243 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
7244 __eabi dummy routine.
7245 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
7248 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
7249 not put stuff in .sdata unnecessarily.
7250 (rs6000_unique_section): New function.
7251 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
7252 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
7254 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
7255 arrays in C99. Don't try to look at DECL_REGISTER of a
7256 COMPONENT_REF. Don't complain twice about the same error.
7258 * fixinc/inclhack.def (aix_pthread): New fix.
7259 (aix_sysmachine): New fix.
7260 * fixinc/fixincl.x: Regenerate.
7262 * expr.c (expand_expr): Call convert_modes when turning a large
7263 multiply into a small one.
7265 2000-08-12 Geoff Keating <geoffk@cygnus.com>
7267 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
7268 the tree structure an exponent rather than an explicit alignment
7269 so it doesn't overflow.
7270 (SET_DECL_OFFSET_ALIGN): New macro.
7271 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
7272 rather than DECL_OFFSET_ALIGN.
7273 (place_field): Likewise.
7274 * expmed.c (store_bit_field): Abort on align==0 to avoid
7275 antisocial machine behaviour.
7277 2000-08-12 Richard Henderson <rth@cygnus.com>
7279 * sibcall.c (uses_addressof): Accept both addressof and
7280 current_function_internal_arg_pointer inside a mem.
7281 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
7282 if current_function_uses_addressof.
7283 * stmt.c (expand_return): Kill tail recursion and HAVE_return
7286 2000-08-11 Richard Henderson <rth@cygnus.com>
7288 * config/ia64/ia64.md (addsi3): Remove expander.
7289 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
7290 (*addsi3_shladd): New.
7292 2000-08-11 Richard Henderson <rth@cygnus.com>
7294 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
7295 (do_restore): Likewise.
7296 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
7297 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
7298 (rtx_needs_barrier): Track actual bit manipulation for
7299 ar.unat moves, gr_spill, and gr_restore.
7300 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
7301 (process_set): Don't handle varargs spills.
7302 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
7303 .mem.offset here instead of in process_set.
7304 (gr_restore): Likewise.
7306 2000-08-11 Richard Henderson <rth@cygnus.com>
7308 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
7310 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
7312 * gcc.texi (The Configuration File): Document
7313 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
7314 UPDATE_PATH_HOST_CANONICALIZATION.
7316 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7318 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
7319 unprototyped function pointer casts on integer constants.
7321 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
7323 * fixproto: Recognize DOS paths with drive letters as absolute paths.
7325 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
7327 * extend.texi (Volatiles): Fix typos.
7329 2000-08-11 Kazu Hirata <kazu@hxi.com>
7331 * flow.c: Fix formatting.
7333 2000-08-11 Richard Henderson <rth@cygnus.com>
7335 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
7336 pattern, always allocate a tertiary scratch register.
7338 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
7339 (reload_inhi): Likewise.
7341 2000-08-11 Richard Henderson <rth@cygnus.com>
7343 * function.c (put_reg_into_stack): Allow type to be NULL.
7344 (schedule_fixup_var_refs): Likewise.
7345 (gen_mem_addressof): Allow decl to be NULL.
7346 (put_addressof_into_stack): Likewise.
7348 * flow.c (merge_blocks_nomove): Be more careful about
7349 locating the beginning of block A.
7351 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
7353 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7358 * config.in: Reverted the check for <sched.h>.
7360 2000-08-10 Chris Demetriou <cgd@sibyte.com>
7362 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
7363 macros define the name of CTOR and DTOR sections.
7364 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7365 DTOR_LIST_END): Change to use attributes to specify
7367 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
7368 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
7369 DTOR_LIST_END): Same as in mips/elf.h.
7371 2000-08-10 Drew Moseley <dmoseley@redhat.com>
7373 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
7374 disabling just crt0.o.
7376 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
7378 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
7379 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
7380 (EXTRA_SPECS): Add them.
7381 * arm/lib1funcs.asm: Support builds for interworking.
7382 Use macros to eliminate duplicated pieces of code.
7384 2000-08-10 Kazu Hirata <kazu@hxi.com>
7386 * h8300.c (expand_a_rotate): New.
7387 (emit_a_rotate): Likewise.
7388 (h8300_adjust_insn_length): Add support for the rotate insns.
7389 * h8300.md (rotlqi3): New.
7390 (*rotlqi3_1): Likewise.
7391 (rotlhi3): Likewise.
7392 (*rotlhi3_1): Likewise.
7393 (rotlhi3): Likewise.
7394 (*rotlhi3_1): Likewise.
7395 * h8300-proto.h: Add prototypes for expand_a_rotate and
7398 * h8300.c: Fix comment typos.
7399 (dosize): Declare the variable amount as unsigned.
7400 (get_shift_alg): Fix a comparison between signed and unsigned.
7401 (emit_a_shift): Likewise.
7402 (h8300_adjust_insn_length): Simplify the code.
7404 * c-decl.c: Fix formatting.
7406 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7408 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
7409 warning about non-traditional numeric constant suffixes.
7411 * cppexp.c (parse_number): Likewise.
7413 * invoke.texi: (-Wtraditional): Document new behavior.
7415 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7417 * gthr-posix.h: Include auto-host.h. Conditionally include
7419 * configure.in: Check for the <sched.h> header file.
7420 * config.in: Added define for HAVE_SCHED_H.
7422 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7424 * c-typeck.c (process_init_element): For -Wtraditional, warn about
7425 initialization of unions.
7427 * invoke.texi (-Wtraditional): Document new behavior.
7429 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
7431 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
7432 instead of extra_c_flags.
7433 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
7434 * configure: Regenerate.
7435 * config.in: Regenerate.
7437 * cpperror.c (cpp_type2name): New function.
7438 * cpplex.c (lex_line): If we issued an error for an invalid
7439 preprocessing directive, discard that logical line.
7440 * cpplib.c (do_line): Call a hook function if the current file
7441 is renamed by #line.
7442 (do_ident): Pass the contents of the string, not the entire
7443 token, to the callback function.
7444 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
7445 (cb.rename_file): New hook function.
7446 (cb.ident): Adjust prototype.
7447 (cpp_type2name): Prototype.
7448 * cppmacro.c (dump_macro_args): Correct precedence lossage.
7450 * cppmain.c (cb_ident): Update for changed interface.
7451 (cb_rename_file): New function.
7452 (main): Set rename callback.
7454 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
7456 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
7457 multi-word registers.
7459 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7461 * c-common.c (combine_strings, check_format_info): Refer to ISO C
7462 or ISO C89 instead of ANSI C.
7463 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
7464 build_enumerator, do_case): Likewise.
7465 * c-lex.c (parse_float, yylex): Likewise.
7466 * c-parse.in: Likewise.
7467 * c-typeck.c (common_type, build_array_ref, build_binary_op,
7468 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
7469 build_c_cast, convert_for_assignment, set_init_index,
7470 set_init_label, c_expand_start_case): Likewise.
7471 * toplev.c (documented_lang_options, display_help): Likewise.
7473 2000-08-08 Kazu Hirata <kazu@hxi.com>
7475 * h8300.c: Fix formatting.
7476 * h8300.h: Likewise.
7477 * h8300.md: Likewise.
7478 (movsi_h8300hs): Fix formatting of the resulting assembly code.
7480 * reload1.c: Fix formatting.
7482 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
7484 * alpha/alpha.c (alpha_emit_xfloating_libcall):
7485 Use GEN_CALL_VALUE define.
7486 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
7487 * clipper/clipper.md (untyped_call): Likewise.
7488 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
7489 * fx80/fx80.md (untyped_call): Likewise.
7490 * mips/mips.md (untyped_call): Likewise.
7491 * ns32k/ns32k.md (untyped_call): Likewise.
7492 * pa/pa.md (untyped_call): Likewise.
7493 * romp/romp.md (untyped_call): Likewise.
7494 * sparc/sparc.md (untyped_call): Likewise.
7496 2000-08-08 Jason Eckhardt <jle@cygnus.com>
7498 * config/i860/i860.c (singlemove_string): Do not generate assembler
7499 pseudo instructions that must be expanded (that is, with signed
7500 constants larger than 16 bits).
7502 2000-08-08 Richard Henderson <rth@cygnus.com>
7504 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
7505 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
7506 (init_propagate_block_info): Don't kill memory stores at -O0.
7507 (mark_set_1, mark_used_regs): Likewise.
7509 2000-08-08 David Edelsohn <edelsohn@gnu.org>
7511 * rs6000.c (optimization_options): Decorate 'level' as
7513 (mask64_operand): Remove sign-extend thinko.
7514 (rldic_operand): New function.
7515 (load_multiple_operation): regno's are unsigned ints.
7516 (store_multiple_operation): Likewise.
7517 (lmw_operation): Likewise.
7518 (stmw_operation): Likewise.
7519 (includes_lshift_p): shift_mask is unsigned int.
7520 (includes_lshift64_p): New function.
7521 (addrs_ok_for_quad_peep): unsigned int reg1.
7522 (print_operand): Consistently add "else" after
7523 output_operand_lossage().
7524 (print_operand, case 'b'): Fold in case 'W'.
7525 (print_operand, case 'W'): Print rldic MB value.
7526 (output_epilogue): Update Objective-C language string.
7527 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
7528 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
7529 * rs6000.md (ashldi3): Add rldic instruction.
7530 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
7531 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
7534 2000-08-08 Richard Henderson <rth@cygnus.com>
7536 * config/ia64/ia64-protos.h: Remove duplicates. Update
7537 for massive code rearrangements.
7538 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
7539 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
7540 (ia64_local_regs, ia64_need_regstk): Remove.
7541 (ar_ccv_reg_operand): New.
7542 (ia64_gp_save_reg): New.
7543 (struct ia64_frame_info): Combine most of the size elements;
7544 add new gr save elements.
7545 (find_gr_spill): New.
7546 (next_scratch_gr_reg): New.
7547 (mark_reg_gr_used_mask): New.
7548 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
7549 to GR backing store regs when possible.
7550 (ia64_initial_elimination_offset): New.
7551 (ia64_rap_fp_offset): Remove.
7552 (save_restore_insns): Remove.
7553 (setup_spill_pointers): New.
7554 (finish_spill_pointers): New.
7555 (spill_restore_mem): New.
7556 (do_spill, do_restore): New.
7557 (ia64_expand_prologue): Rewrite to use them.
7558 (ia64_expand_epilogue): Likewise.
7559 (ia64_direct_return): Update for current_frame_info changes.
7560 (ia64_function_prologue): Simplify .prologue emission. Emit
7562 (ia64_setup_incoming_varargs): Don't ever emit rtl.
7563 (ia64_dbx_register_number): New.
7564 (ia64_initialize_trampoline): New.
7565 (ia64_secondary_reload_class): Request GR_REGS for integer
7566 arithmetic destined for FR_REGS.
7567 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
7568 (ia64_mark_machine_status): Mark ia64_gp_save.
7569 (rws_access_regno): Rename from rws_access_reg; don't treat
7570 predicates specially.
7571 (rws_access_reg): New. Update all callers.
7572 (rtx_needs_barrier): Remove dead unspecs.
7573 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
7574 (ia64_encode_section_info): Silence signed/unsigned warnings.
7575 (spill_offset, sp_offset, spill_offset_emitted): Remove.
7576 (tmp_reg, tmp_saved): Remove.
7577 (process_set): Rewrite to expect complicated bits via
7578 REG_FRAME_RELATED_EXPR.
7579 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
7580 in the use of ar.ccv; never set RTX_UNCHANGING_P.
7581 (ia64_expand_op_and_fetch): Likewise.
7582 (ia64_expand_compare_and_swap): Likewise.
7583 (ia64_expand_builtin): Likewise.
7584 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
7585 (FIRST_PSEUDO_REGISTER): Update.
7586 (AR_M_REGNO_P): Update.
7587 (FIXED_REGS): Don't mark three local registers as used.
7588 (EXTRA_CC_MODES): New.
7589 (SELECT_CC_MODE): New.
7590 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
7591 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
7592 (FRAME_GROWS_DOWNWARD): Unset.
7593 (STARTING_FRAME_OFFSET): Zero.
7594 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
7595 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
7596 (HARD_FRAME_POINTER_REGNUM): New.
7597 (CAN_DEBUG_WITHOUT_FP): Define.
7598 (TRAMPOLINE_TEMPLATE): Remove.
7599 (TRAMPOLINE_SIZE): Lower to 32.
7600 (TRAMPOLINE_ALIGNMENT): Lower to 64.
7601 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
7602 (PREDICATE_CODES): Update.
7603 (struct machine_function): Add ia64_gp_save.
7604 * config/ia64/ia64.md: Purge unused unspecs.
7605 (movsi patterns): Allow moves to/from AR_M_REGS.
7606 (movdi patterns): Allow moves to/from p0.
7607 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
7608 (gr_spill, gr_restore): Indicate ar.unat read/written.
7609 (nonlocal_goto): Don't pass old frame_pointer.
7610 (nonlocal_goto_receiver): Remove.
7611 (exception_receiver): New.
7612 (builtin_setjmp_setup): New.
7613 (builtin_setjmp_receiver): New.
7614 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
7615 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
7616 (__ia64_restore_stack_nonlocal): Likewise.
7617 (__ia64_trampoline): New.
7618 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
7620 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
7622 2000-08-08 Richard Henderson <rth@cygnus.com>
7624 * frame.h (ia64_frame_state): Add my_psp.
7625 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
7626 (__throw): Pass it in. Don't clobber r7.
7627 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
7628 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
7629 and nothing to do with sp.
7630 (normalize_reg_loc): Use frame->my_psp.
7631 (frame_translate): Handle frame-pointer-less functions. Set
7632 spill_base correctly, in absence of being told.
7633 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
7634 (__ia64_backtrace_helper): New sp argument. Use
7635 builtin_return_address instead of label addresses.
7636 (print_record) [mem_stack_v]: No size member.
7638 2000-08-08 Richard Henderson <rth@cygnus.com>
7640 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
7642 2000-08-08 Richard Henderson <rth@cygnus.com>
7644 * tm.texi (LOCAL_REGNO): Document.
7645 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
7646 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
7647 * reload1.c (reload): Likewise when considering nonlocal labels.
7649 * config/ia64/ia64.h (LOCAL_REGNO): New.
7650 * config/sparc/sparc.h (LOCAL_REGNO): New.
7652 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
7654 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
7656 2000-08-07 Nick Clifton <nickc@redhat.com>
7658 * config/mips/mips.c: Fix compile time warning messages.
7659 * config/mips/mips-protos.h: Add prototype for equality_op.
7661 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
7663 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
7665 * mn10300.md: Use nonimmediate_operand instead of general_operand
7668 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
7670 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
7672 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
7673 * sh.c (expand_block_move): Break long lines.
7674 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
7675 * sh.md (mulsi3): Likewise.
7676 (movdi): Adjust spacing.
7678 2000-08-07 Richard Henderson <rth@cygnus.com>
7680 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
7681 * expr.c (emit_group_store): Don't set it.
7683 2000-08-07 Kazu Hirata <kazu@hxi.com>
7685 * invoke.texi (Options for Debugging Your Program or GCC): Remove
7686 duplicate entries for 'w' and 'z'.
7688 * flow.c: Fix a comment typo.
7690 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7692 * c-parse.in: Changed the language string for Objective-C to "GNU
7695 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7697 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
7698 to improve the Posix thread support for Objective-C.
7700 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
7702 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
7703 CTI_UNSIGNED_PTRDIFF_TYPE.
7704 (signed_size_type_node): Define.
7705 (unsigned_ptrdiff_type_node): Define.
7706 * c-decl.c (init_decl_processing): Create the
7707 signed_size_type_node and unsigned_ptrdiff_type_node types.
7708 * c-common.c (T_SC): Define.
7711 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
7712 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
7714 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
7715 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
7716 flags for %c, %s and %[.
7717 (check_format_info): Only allow leniency for signedness of targets
7718 of character pointers (when pedantic) for formats flagged with
7719 "c", so for strings but not for %hh formats. When pedantic, don't
7720 allow character pointers to substitute for void pointers if a
7721 second level of indirection is present.
7723 2000-08-06 Kazu Hirata <kazu@hxi.com>
7725 * invoke.texi (Options for Debugging Your Program or GCC): Update
7726 the names of dump files.
7728 * h8300.c (dosize): Rearrange code for conciseness.
7729 (split_adds_subs): Likewise.
7731 * loop.c: Fix formatting.
7733 * dwarf2out.c: Fix formatting.
7735 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
7737 * expr.c: Fix formatting.
7739 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7741 * rs6000.c (rs6000_maybe_dead): Prototype.
7743 2000-08-06 Richard Henderson <rth@cygnus.com>
7745 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
7746 HAVE_nonlocal_goto as well.
7747 * config/i960/i960.md (nonlocal_goto): Don't do it here.
7748 * config/pj/pj.md (nonlocal_goto): Likewise.
7750 2000-08-07 Michael Hayes <mhayes@cygnus.com>
7752 * loop.c (try_swap_copy_prop): New function.
7753 (load_mems): Rename copies to load_copies and add new regset
7754 store_copies. Check for sets of shadow registers and mark
7755 in store_copies. Call try_swap_copy_prop for registers
7756 marked in store_copies.
7758 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
7760 * objc/objc-act.c: New command line option -fconstant-string-class
7761 to allow specifying a user defined constant string class,
7762 different from NXConstantString.
7764 * toplev.c: Moved the Objective-C specific options to
7765 objc/lang-options.h.
7767 * objc/lang-options.h: Moved the Objective-C specific options from
7768 toplev.c. Added -fconstant-string-class.
7770 2000-08-05 Chris Demetriou <cgd@sibyte.com>
7772 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7773 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
7774 __CTOR_LIST__ from func_ptr array to just func_ptr, to
7775 avoid extra alignment imposed on arrays.
7776 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7777 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
7779 * mips.h: Clean up comments and spacing near MASKs.
7780 (TARGET_UNIX_ASM): Delete.
7781 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
7782 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
7785 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
7787 * c-common.c (print_char_table): Add entries for the X/Open '
7788 format flag (print decimals with locale's thousands grouping
7789 character). Make %C expect wint_t.
7790 (check_format_info): If pedantic, warn when the %n$ operand
7791 number form is used. Allow for the ' flag; warn about it if
7794 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
7796 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
7797 type is a float mode, cfun->decl's return type is not, and
7798 TARGET_FLOAT_RETURNS_IN_80387.
7800 2000-08-04 Andreas Schwab <schwab@suse.de>
7802 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
7803 token list, which are always `#' and `pragma'.
7805 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
7807 * tree.c (tree_expr_nonnegative_p): Move to...
7808 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
7809 (rtl_expr_nonnegative_p): New.
7810 * tree.h: Add prototype for rtl_expr_nonnegative_p.
7812 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
7813 CONST_DOUBLE_CHAIN: Move to...
7814 * rtl.h: ...here. Use XCINT/XCEXP.
7816 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
7817 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
7818 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
7821 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
7823 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7825 * config/c4x/c4x.md (return_indirect_internal): New.
7826 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
7828 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
7830 * c-common.c (time_char_table): Mark up formats added in C99 and
7831 make other corrections. %D and %g were added in C99. %Og is an
7832 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
7833 C99. %e was added in C99. %Oj is an extension. %G and %z are in
7834 C99 rather than GNU extensions, but %OG and %Oz are extensions.
7835 %h was added in C99. %C was added in C99. %OY and %OC are
7836 extensions. Add the C99 format %F.
7837 (check_format_info): If pedantic and not in C99 mode, warn for C99
7840 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7842 * function.c (schedule_fixup_var_refs): New function, broken out
7843 of put_reg_into_stack.
7844 (put_reg_into_stack): Use it.
7845 (put_var_into_stack): In CONCAT case, fixup up references for
7846 components only after fixing up references to the whole concat.
7848 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
7850 * alias.c (mark_constant_function): Use INSN_P.
7851 (init_alias_analysis): Likewise.
7852 * combine.c (combine_instructions): Use INSN_P.
7853 (can_combine_p): Likewise.
7854 (try_combine): Likewise.
7855 (distribute_notes): Likewise.
7856 (distribute_links): Likewise.
7857 * cse.c (cse_around_loop): Use INSN_P.
7858 (invalidate_skipped_block): Likewise.
7859 (cse_set_around_loop): Likewise.
7860 (cse_end_of_basic_block): Likewise.
7861 (delete_trivially_dead_insns): Likewise.
7862 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
7863 (unshare_all_rtl_1): Likewise.
7864 (next_cc0_user): Likewise.
7865 (try_split make_insn_raw): Likewise.
7866 (remove_unnecessary_notes): Likewise.
7867 * final.c (shorten_branches): Use INSN_P.
7868 (leaf_renumber_regs): Likewise.
7869 (leaf_renumber_regs_insn): Likewise.
7870 * flow.c (find_label_refs): Use INSN_P.
7871 (verify_wide_reg): Likewise.
7872 (notice_stack_pointer_modification): Likewise.
7873 (count_or_remove_death_notes): Likewise.
7874 (verify_flow_info): Likewise.
7875 (clear_log_links): Likewise.
7876 * function.c (fixup_var_refs_insns): Use INSN_P.
7877 (compute_insns_for_mem): Likewise.
7878 * gcse.c (alloc_gcse_mem): Use INSN_P.
7879 (compute_sets): Likewise.
7880 (compute_hash_table): Likewise.
7881 (classic_gcse): Likewise.
7883 (insert_insn_end_bb): Likewise.
7884 (delete_null_pointer_checks_1): Likewise.
7885 * global.c (expand_preferences): Use INSN_P.
7886 (build_insn_chain): Likewise.
7887 * graph.c (node_data): Use INSN_P.
7888 * haifa-sched.c (priority): Use INSN_P.
7889 (rm_line_notes): Likewise.
7890 (rm_other_notes): Likewise.
7891 (find_insn_reg_weight): Likewise.
7892 (init_target_units): Likewise.
7893 (schedule_block): Likewise.
7894 (compute_block_forward_dependences): Likewise.
7895 (debug_dependencies): Likewise.
7896 (set_priorities): Likewise.
7897 * integrate.c (function_cannot_inline_p): Use INSN_P.
7898 (save_parm_insns): Likewise.
7899 (copy_insn_list): Likewise.
7900 * jump.c (mark_all_labels): Use INSN_P.
7901 (never_reached_warning): Likewise.
7902 * lcm.c (optimize_mode_switching): Use INSN_P.
7903 * local-alloc.c (validate_equiv_mem): Use INSN_P.
7904 (memref_used_between_p): Likewise.
7905 (update_equiv_regs): Likewise.
7906 (block_alloc): Likewise.
7907 (no_conflict_p): Likewise.
7908 * loop.c (scan_loop): Use INSN_P.
7909 (find_and_verify_loops): Likewise.
7910 (count_loop_regs_set): Likewise.
7911 (loop_reg_used_before_p): Likewise.
7912 (strength_reduce): Likewise.
7913 (recombine_givs): Likewise.
7914 (check_dbra_loop): Likewise.
7915 (load_mems): Likewise.
7916 (try_copy_prop): Likewise.
7917 * print-rtl.c (print_rtx): Use INSN_P.
7918 * recog.c (find_single_use): Use INSN_P.
7919 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
7920 (next_flags_user): Likewise.
7921 (swap_rtx_condition): Likewise.
7922 * regmove.c (mark_flags_life_zones): Use INSN_P.
7923 (optimize_reg_copy_1): Likewise.
7924 (optimize_reg_copy_2): Likewise.
7925 (optimize_reg_copy_3): Likewise.
7926 (reg_is_remote_constant_p): Likewise.
7927 (fixup_match_2): Likewise.
7928 (regmove_optimize): Likewise.
7929 (fixup_match_1): Likewise.
7930 * regrename.c (build_def_use): Use INSN_P.
7931 (replace_reg_in_block): Likewise.
7932 (consider_use): Likewise.
7933 * reload.c (find_equiv_reg): Use INSN_P.
7934 * reload1.c (reload): Use INSN_P.
7935 (maybe_fix_stack_asms): Likewise.
7936 (calculate_needs_all_insns): Likewise.
7937 (reload_as_needed): Likewise.
7938 (emit_output_reload_insns): Likewise.
7939 (delete_address_reloads_1): Likewise.
7940 (reload_cse_regs_1): Likewise.
7941 (reload_combine): Likewise.
7942 (reload_cse_move2add): Likewise.
7943 * reorg.c (redundant_insn): Use INSN_P.
7944 (dbr_schedule): Likewise.
7945 * resource.c (find_dead_or_set_registers): Use INSN_P.
7946 (mark_target_live_regs): Likewise.
7947 * rtlanal.c (reg_used_between_p): Use INSN_P.
7948 (reg_referenced_between_p): Likewise.
7949 (reg_set_between_p): Likewise.
7950 (reg_set_p): Likewise.
7951 (single_set): Likewise.
7952 (multiple_sets): Likewise.
7953 (find_last_value): Likewise.
7954 (reg_set_last): Likewise.
7955 (find_reg_note): Likewise.
7956 (find_regno_note): Likewise.
7957 * sibcall.c (sequence_uses_addressof): Use INSN_P.
7958 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
7959 * ssa.c (find_evaluations): Use INSN_P.
7960 (rename_block): Likewise.
7961 (rename_equivalent_regs): Likewise.
7962 * unroll.c (loop_find_equiv_value): Use INSN_P.
7963 (set_dominates_use): Likewise.
7964 * varasm.c (mark_constant_pool): Use INSN_P.
7965 (mark_constants): Likewise.
7966 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
7967 (alphaev4_next_group): Likewise.
7968 (alphaev5_next_group): Likewise.
7969 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
7970 (c4x_rptb_rpts_p): Likewise.
7971 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
7972 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
7973 (rs6000_adjust_priority): Likewise.
7974 * config/sh/sh.c (sh_loop_align): Use INSN_P.
7975 (machine_dependent_reorg): Likewise.
7976 (split_branches): Likewise.
7977 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
7979 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
7981 * combine.c (recog_for_combine): Remove the old notes
7982 prior to attempting to recognize the new pattern.
7983 (distribute_notes): Ignore REG_NONNEG notes.
7985 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
7987 * varasm.c (output_constructor): Add .align 0 for packed vars.
7989 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7991 * configure.in: Use default thread_file even when enable_threads is
7992 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
7993 * configure: Rebuilt.
7995 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
7997 2000-08-04 Donn Terry (donnte@microsoft.com)
7999 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
8001 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
8003 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
8004 Delete code that conditionally modifies 'version'.
8005 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
8006 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
8007 * gcc.c (main): Use it.
8008 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
8009 * prefix.c (update_path): Use it.
8010 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
8011 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
8012 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
8014 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
8015 (SUBTARGET_SWITCHES): Adjust.
8016 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
8018 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
8020 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8022 * c-common.h (flag_isoc94): Declare.
8023 * c-decl.c (flag_isoc94): Define.
8024 (c_decode_option): Set flag_isoc94 as appropriate.
8025 * c-common.c (T_PD, T_IM, T_UIM): Define.
8026 (format_char_info): Add tlen and jlen.
8027 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
8029 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
8031 (time_char_table): Add NULL entries for %t and %j.
8032 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
8033 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
8034 Warn for printf %lf if pedantic and not C99. Don't warn for empty
8035 precision. Allow precision argument to be unsigned int. If
8036 pedantic, warn for %p passed an argument not a pointer to possibly
8037 qualified void or a possibly qualified character type, and for
8038 pointer targets of the wrong sign, except for character pointers.
8040 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8042 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
8043 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
8044 (wint_type_node): Define.
8045 * c-decl.c (WINT_TYPE): Define.
8046 (init_decl_processing): Create the wint_type_node type.
8047 * c-common.c (T_WI): Define.
8048 (print_char_table): Use T_WI for %lc format.
8050 2000-08-04 Bruce Korb <bkorb@gnu.org>
8052 * fixinc/: Verified that the MSDOS patch does not break
8053 the UNIX functionality and applied the next three patches
8056 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
8058 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
8059 output file with the temporary one by appending ".X" to generate
8060 the temporary fuile's name. If the output file already has an
8061 extension, replace it with ".X".
8063 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
8064 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
8065 reallocate the command buffer while copying the command-line
8066 argument. Redirect the output directly to the temporary file,
8067 instead of going through another temporary file.
8068 (process): Close the temporary file before unlinking it.
8069 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
8070 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
8071 (run_compiles): Pass p_fixd argument to machine_matches, as it
8074 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
8075 environment, assume there are no symlinks in the include
8076 directory. When cleaning up the DONE files, look for them
8077 case-insensitively. Don't try to remove symlinks if they aren't
8080 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
8081 all callers changed. Declare pz "const char *", to avoid compiler
8084 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
8085 Change prototype of make_raw_shell_str.
8087 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
8089 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
8090 (initialize) [__MSDOS__]: Use tempnam.
8091 (initialize): Don't use SIGPIPE if it is not defined.
8093 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
8096 2000-07-25 Bruce Korb <bkorb@gnu.org>
8098 * fixinc/fix*.[ch]: substantially reworked to make it possible
8099 to run this program without using fork(2) or pipe(2) (i.e. in
8102 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
8104 * cppdefault.h (WINT_TYPE): Define.
8105 * cppinit.c (builtin_array): Define __WINT_TYPE__.
8106 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
8107 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
8109 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
8111 * (mips_legitimate_address_p): Don't allow register+offset
8112 if the offset is large and negative, and we are compiling
8113 for 64 bit registers.
8115 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8117 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
8118 insn_code_number + 1.
8120 2000-08-04 Kazu Hirata <kazu@hxi.com>
8122 * h8300.c (function_prologue): Rearrange code for conciseness.
8123 (function_epilogue): Likewise.
8124 * h8300.h (OK_FOR_U): Fix formatting.
8126 * cse.c: Fix a comment typo. Fix formatting.
8128 2000-08-03 Richard Henderson <rth@cygnus.com>
8130 * config/i386/i386.md (return_indirect_internal): New.
8131 * config/i386/i386.c (ix86_expand_epilogue): Use it.
8133 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
8135 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
8137 (lex_line): Glue @ onto the beginning of identifiers and
8138 string constants, in Objective-C mode.
8139 (output_token, spell_token): Handle CPP_OSTRING.
8140 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
8141 beginning of a NAME or a STRING, in objc mode.
8143 * cpplib.c (get_define_node): Do not permit identifiers that
8144 begin with @ to be #defined.
8145 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
8146 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
8148 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
8149 * c-tree.h (build_objc_string): Delete prototype.
8150 * objc/objc-tree.def: Delete OBJC_STRING_CST.
8151 * c-lex.c (yylex): Use build_string for all three kinds of strings.
8153 * c-parse.in, objc/objc-act.c: Update commentary.
8155 2000-08-03 Mark Mitchell <mark@codesourcery.com>
8157 * extend.texi: Fix typo in last change.
8159 * extend.texi: Add commentary on statement-expressions and their
8160 interactions with C++.
8162 2000-08-03 Nick Clifton <nickc@cygnus.com>
8164 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
8165 * dwarf.h (LANG_JAVA): Change value to 0x000b.
8167 2000-08-03 Anthony Green <green@cygnus.com>
8169 * dwarf2out.c (gen_compile_unit_die): Add java language support.
8170 (add_bound_info): Check for java language.
8171 (is_java): New function.
8172 * dwarfout.c (output_compile_unit_die): Ditto.
8173 * dwarf.h (dwarf_source_language): Add java source language type.
8174 * dwarf2.h (dwarf_source_language): Ditto.
8176 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8178 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
8181 * i386.c (ix86_expand_branch): Mode of comparison in
8182 IF_THEN_ELSE is VOIDmode.
8184 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
8186 * gengenrtl.c, rtl.c: Avoid #elif.
8188 2000-08-03 Michael Poole <poole@troilus.org>
8190 * tm.texi (Register Classes): Clarify order of sub-initializers
8191 in REG_CLASS_CONTENTS.
8193 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8195 From SAITOH Masanobu:
8196 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
8198 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
8200 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
8201 is not supported by tradcpp and isn't actually needed for cygwin.
8203 2000-08-03 Kazu Hirata <kazu@hxi.com>
8205 * h8300.c: Fix a comment typo.
8206 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
8208 * jump.c: Fix formatting.
8210 * toplev.c: Fix formatting.
8212 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
8214 * flow.c (find_auto_inc): Verify that we've got a REG before
8215 peeking at its regno. Fail, don't abort if we can't find
8216 the increment of the desired register.
8218 * pa.md (shadd height reduction patterns/splitters): Remove.
8220 2000-08-02 Jim Wilson <wilson@cygnus.com>
8222 * config/ia64/ia64-protos.h (flag_ssa): Declare.
8223 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
8225 2000-08-02 Mark Mitchell <mark@codesourcery.com>
8227 * dce.c: Remove all uses of assert.
8228 * dwarf2out.c: Likewise.
8229 * dwarfout.c: Likewise.
8232 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8234 * gcc.h (lang_specific_driver): Constify second argument.
8235 * gcc.c (translate_options, process_command, main): Likewise.
8236 Constify variables to match. Cast second argument to
8239 * cppspec.c, gccspec.c: Adjust type of second argument to
8240 lang_specific_driver, and update code as necessary.
8242 2000-08-02 Jakub Jelinek <jakub@redhat.com>
8244 * loop.c (scan_loop): Ensure update_end label does not
8245 go away until reg_scan_update is run.
8247 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8249 * c-common.h: Prototype min_precision and c_build_qualified_type here...
8250 * c-tree.h: ... not here.
8251 * errors.h: Prototype fancy_abort.
8253 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
8254 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
8255 * regrename.c (regrename_optimize): Make control flow explicit.
8256 (replace_reg_in_block): Initialize reg_use to 0.
8258 * i386.c (legitimate_address_p): Rename error label to
8259 report_error to avoid namespace clash.
8261 2000-08-02 Kazu Hirata <kazu@hxi.com>
8263 * fold-const.c: Fix formatting.
8265 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
8267 * i386.c (legitimate_address_p): Accept other bases than
8268 pic_offset_table_rtx for GOTOFF constructs.
8270 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8272 * i386.md (shift to lea splitter): Use const_int_operand.
8274 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
8276 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
8277 cppspec.c: Do not use 'legal' or 'illegal' in error messages
8280 * cppmain.c (cb_define, cb_undef): Don't generate any output
8281 if not done_initializing.
8282 * cpplex.c (maybe_paste_with_next): When the token after a ##
8283 is an omitted rest argument, only delete the token before it
8284 if that token is a comma. Do not warn about bogus token
8285 pastes for , ## rest_arg.
8288 * cpp.1: Regenerate.
8290 2000-08-02 Fred Fish <fnf@be.com>
8292 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
8293 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
8296 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
8297 Be directories to search path.
8299 Remove support for __declspec(dllimport) and __declspec(dllexport).
8300 This is leftover cruft from the earlier BeOS gcc port when BeOS
8301 used Microsoft's PE object file format.
8302 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
8303 * config/i386/t-beos (winnt.o): Remove Makefile frag.
8304 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
8305 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
8306 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8307 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
8308 (REDO_SECTION_INFO_P): Remove.
8309 (ASM_EXPORT_DECL): Remove.
8310 (ASM_DECLARE_FUNCTION_NAME): Remove.
8311 (ASM_DECLARE_OBJECT_NAME): Remove.
8312 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
8313 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
8314 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
8315 (STRIP_NAME_ENCODING): Remove.
8317 Remove support for obsolete version of BeOS that is no longer
8319 * configure.in (i*86-*-beospe*): Remove.
8320 * config/i386/beos-pe.h: Remove.
8322 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
8323 Mark Mitchell <mark@codesourcery.com>
8325 * Makefile.in (OBJS): Added dce.o.
8326 (ssa.o): Updated target to include ssa.h.
8328 (toplev.o): Likewise.
8329 (dce.o): Created target.
8330 * basic-block.h: Added comments.
8331 (INVALID_BLOCK): Added definition.
8332 (connect_infinite_loops_to_exit): Added declaration.
8333 Moved SSA declarations to ssa.h.
8334 * flow.c: Added inclusion of ssa.h.
8335 (struct depth_first_search_dsS, depth_first_search_ds):
8337 (compute_immediate_postdominators): Added definition.
8338 (connect_infinite_loops_to_exit): Likewise.
8339 (flow_dfs_compute_reverse_init): Likewise.
8340 (flow_dfs_compute_reverse_add_bb): Likewise.
8341 (flow_dfs_compute_reverse_execute): Likewise.
8342 (flow_dfs_compute_reverse_finish): Likewise.
8343 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
8344 (LABEL_P): Added definition.
8347 (BARRIER_P): Likewise.
8348 (JUMP_TABLE_DATA_P): Likewise.
8349 (INSN_DEAD_CODE_P): Likewise.
8350 * ssa.c: Replaced inclusions with ssa.h inclusion.
8351 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
8352 (rename_registers): Removed unnecessary variables.
8353 * ssa.h: Created by moving declarations from ssa.c and
8355 * timevar.def: Defined TV_DEAD_CODE_ELIM.
8356 * toplev.c: Added ssa.h inclusion.
8357 (dump_file_index): Added DFI_dce.
8358 (dump_file): Added "dce" entry.
8360 (f_options): Added dce entry.
8361 * invoke.texi: Document -fdce. Emphasize experimental status of
8365 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
8367 * cpperror.c (v_message): Split into _cpp_begin_message and
8368 v_message macro. All callers updated.
8369 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
8372 * cppfiles.c (cpp_syshdr_flags): New function.
8373 (read_include_file): Don't call cpp_output_tokens. Call
8375 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
8376 (cpp_reader_init): Don't initialize token_buffer. Call
8377 _cpp_init_internal_pragmas.
8378 (cpp_cleanup): Don't clear token_buffer.
8379 (cpp_start_read): Don't worry about output from -D processing.
8380 Don't call cpp_output_tokens.
8381 (cpp_finish): Don't dump macros here. Don't call
8383 * cppmacro.c (_cpp_dump_definition): Rename
8384 cpp_dump_definition. Write directly to a FILE *.
8385 (dump_funlike_macro): Delete.
8386 (dump_macro_args): New.
8388 * cpplex.c (TOKEN_LEN): Convert to inline function.
8389 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
8390 cpp_scan_line, _cpp_dump_list): Delete.
8391 (cpp_printf, cpp_output_list): New.
8392 (output_line_command): Don't worry about entering or leaving files.
8393 (cpp_scan_buffer): Just output each token as we hit it.
8394 (process_directive): Don't call cpp_output_tokens.
8395 (_cpp_glue_header_name): Don't use token_buffer.
8396 (output_token, dump_param_spelling): Write directly to a FILE *.
8398 * cpplib.c (pass_thru_directive, dump_macro_name,
8399 pragma_dispatch, do_pragma_gcc): Delete.
8400 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
8401 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
8403 (do_error, do_warning, pragma_dependency): Call
8404 _cpp_begin_message, then cpp_output_list.
8405 (cpp_register_pragma, cpp_register_pragma_space,
8406 _cpp_init_internal_pragmas): New.
8407 (do_pragma): Walk the pragmas table here.
8408 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
8409 do_pragma_dependency): Return void.
8410 (do_pragma_implementation): Moved to cppmain.c.
8412 * cpplib.h: Update prototypes.
8413 (struct cpp_reader): Remove printer, token_buffer,
8414 token_buffer_size, and limit. Add struct cb, and pragmas.
8415 (struct cpp_printer): Remove last_id and written.
8416 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
8417 CPP_ADJUST_WRITTEN): Delete.
8418 * cpphash.h: Update prototypes.
8419 (ufputs): New wrapper.
8421 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
8422 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
8423 (main): Set up callbacks. Register #pragma implementation.
8424 Dump macros from here.
8426 2000-08-01 Geoff Keating <geoffk@cygnus.com>
8428 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
8429 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
8430 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
8431 insns if they have a REG_MAYBE_DEAD note attached.
8432 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
8433 (rs6000_emit_load_toc_table): TOC loads may go dead.
8435 2000-08-01 Jim Wilson <wilson@cygnus.com>
8437 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
8438 type exists before using it. Use number of words as alignment
8440 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
8441 ia64_va_arg): Propagate ia64_function_args changes here.
8443 2000-08-01 Richard Henderson <rth@cygnus.com>
8445 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
8446 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
8448 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
8450 From Joern Rennecke:
8451 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
8452 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
8453 unless TARGET_SH3E is set.
8454 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
8456 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
8457 (ashlsi3_std): New pattern.
8458 (ashlsi3 expander): Use it for TARGET_SH3.
8459 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
8461 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8463 * loop.c (canonicalize_condition): Use destination, not source to
8464 determine SET's mode.
8466 2000-07-31 Mark Mitchell <mark@codesourcery.com>
8468 * flow.c (clear_log_links): Fix typo.
8470 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
8472 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
8473 on targets which need more than one insn for a compare/cbranch
8476 2000-07-31 Jim Wilson <wilson@cygnus.com>
8478 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
8479 when computing offset.
8481 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
8483 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
8485 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8487 * flow.c (clear_log_links): Nuke global_live_at_start and
8488 global_live_at_end data, since if the log_links stuff is invalid
8489 so is global_live_at_*.
8491 2000-07-31 Richard Henderson <rth@cygnus.com>
8493 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
8495 2000-07-31 Jakub Jelinek <jakub@redhat.com>
8497 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
8498 (_cpp_get_token): Don't macro expand a just pasted token if it
8499 was pasted at no_expand_level.
8501 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8503 * cppmacro.c (find_param, count_params, save_expansion):
8504 Permit 'defined' as a macro parameter name.
8506 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8508 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
8509 xcpp to cpp throughout.
8510 (native): Remove unnecessary dependency on cpp.
8512 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
8513 tradcpp to tradcpp0.
8514 (.i spec): Add missing output-file spec to cc1 command line.
8515 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
8517 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
8519 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
8520 (implicit_decl_warning): New function.
8521 (implicitly_declare): Use it.
8522 * c-typeck.c (build_external_ref): Use implicit_decl_warning
8523 to complain about implicit decls of builtins.
8525 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
8526 based on pedantic && flag_isoc99, if not already set.
8527 * c-tree.h: Declare mesg_implicit_function_declaration.
8528 Prototype implicit_decl_warning.
8530 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
8532 * Makefile.in (ssa.o): Updated header files in dependences.
8533 * basic-block.h: Added compute_immediate_postdominators declaration.
8534 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
8536 * flow.c (compute_immediate_dominators): Updated comment.
8537 (compute_immediate_postdominators): Added definition.
8538 * rtl.h (HARD_REGISTER_P): Added definition.
8539 * ssa.c: Include additional header files.
8540 (assert): Added definition.
8541 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
8542 include select hard registers.
8543 (ssa_rename_to_insert): Likewise.
8544 (ssa_rename_from_initialize): Likewise.
8545 (ssa_rename_from_lookup): Likewise.
8546 (original_register): Likewise.
8547 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
8548 include select hard reigsters.
8549 (ssa_rename_from_traverse): Likewise.
8550 (ssa_rename_from_free): Likewise.
8551 (ssa_rename_from_print): Likewise.
8552 (ssa_rename_from_print_1): Likewise.
8553 (ssa_rename_from_hash_function): Likewise.
8554 (ssa_rename_from_equal): Likewise.
8555 (ssa_rename_from_delete): Likewise.
8556 (simplify_to_immediate_dominators): Removed in favor of
8557 flow.c:compute_immediate_dominators.
8558 (find_evaluations_1): Modified to work with hard registers.
8559 (insert_phi_node): Likewise.
8560 (insert_phi_nodes): Likewise.
8561 (struct rename_set_data): Updated prev_reg comment.
8562 (create_delayed_rename): Modified to work with hard registers.
8563 (RENAME_NO_RTX): Updated comment.
8564 (apply_delayed_renames): Modified to work with hard registers.
8565 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
8566 (rename_block): Updated to use revised ssa_rename_to interface.
8567 (rename_registers): Updated to use revised ssa_rename_to and
8568 ssa_rename_from interface.
8569 (convert_to_ssa): Revised to use compute_immediate_dominators and
8570 deal with hard registers.
8571 (make_regs_equivalent_over_bad_edges): Modified to work with hard
8572 registers. Added check for illegal unification of hard register.
8573 (make_equivalent_phi_alternatives_equivalent): Modified to work
8574 with hard registers.
8575 (compute_conservative_reg_partition): Likewise.
8576 (coalesce_if_unconflicting): Modified to work with hard registers
8577 and check for conflicting hard registers.
8578 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
8580 (rename_equivalent_regs_in_insn): Modified to work with hard
8582 (record_canonical_element_1): Added definition.
8583 (check_hard_regs_in_partition): Added definition.
8584 (convert_from_ssa): Added data structure deallocation and check
8585 for illegal hard register unification.
8586 (conflict_hard_regs_p): Added definition.
8587 * toplev.c (rest_of_compilation): Added comment.
8589 2000-07-31 Anthony Green <green@redhat.com>
8591 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
8593 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
8595 * builtins.c (expand_builtin_apply): Don't defer pop during
8598 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8600 * calls.c (combine_pending_stack_adjustment_and_call): Only use
8601 preferred_unit_stack_boundary when it is > 1.
8603 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
8605 * c-common.c (init_function_format_info): Add C99 format functions
8608 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
8609 void' or 'register void' as being the special case of 'void' alone
8610 in a parameter list.
8612 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
8613 discarding qualifiers into a plain warning.
8615 2000-07-31 Kazu Hirata <kazu@hxi.com>
8617 * combine.c: Fix formatting.
8619 * h8300.md: Fix formatting.
8621 * local-alloc.c: Fix formatting.
8623 * h8300.c (get_shift_alg): Remove the variable alg.
8624 (emit_a_shift): Rearrange code to improve readability.
8626 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
8628 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
8629 HImode on all architectures and a combination of HImode and SImode
8630 on H8/300H and H8/S.
8632 * h8300.c (split_adds_subs): Rearrange code for conciseness.
8634 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
8636 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
8639 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8641 * recog.c (extract_insn): Set operand_mode according to
8642 operand if match_operand is VOIDmode.
8644 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
8646 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
8648 2000-07-31 Geoff Keating <geoffk@cygnus.com>
8650 * c-parse.in (extdefs): Call ggc_collect between external
8653 2000-07-30 Michael Hayes <mhayes@cygnus.com>
8654 Richard Henderson <rth@cygnus.com>
8656 * Makefile.in (OBJS): Add doloop.o.
8657 * doloop.c: New file.
8659 * final.c (insn_current_reference_address): Return 0 before final.
8660 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
8661 * jump.c (any_uncondjump_p): Likewise.
8662 * loop.c (indirect_jump_in_function): Make static.
8663 (strength_reduce): Call doloop_optimize.
8664 (insert_bct, instrument_loop_bct): Remove.
8665 * loop.h (doloop_optimize): Prototype.
8666 * recog.c (split_all_insns): Split all INSN_P.
8667 * toplev.c (flag_branch_on_count_reg): Default on.
8669 * config/c4x/c4x.c (c4x_optimization_options): Don't set
8670 flag_branch_on_count_reg.
8671 * config/i386/i386.c (override_options): Likewise.
8672 * config/rs6000/rs6000.c (optimization_options): Likewise.
8674 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
8676 (dbra_ge): Remove, as well as all it's splitters.
8678 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
8681 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
8682 (ia64_register_move_cost): Declare.
8683 * config/ia64/ia64.c (ar_lc_reg_operand): New.
8684 (struct ia64_frame_info): Add ar_size.
8685 (ia64_compute_frame_size): Set it.
8686 (save_restore_insns): Save and restore ar.lc.
8687 (ia64_register_move_cost): New, moved from header file. Handle
8688 application registers.
8689 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
8690 (emit_insn_group_barriers): Special case doloop_end_internal.
8691 (ia64_epilogue_uses): Mark ar.lc live at end.
8692 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
8693 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
8694 (FIRST_PSEUDO_REGISTER): Make room.
8695 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
8696 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
8697 (REG_ALLOC_ORDER): Update.
8698 (HARD_REGNO_MODE_OK): Update.
8699 (REGISTER_NAMES): Update.
8700 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
8701 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
8702 (REGNO_REG_CLASS): Update.
8703 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
8704 (REGISTER_MOVE_COST): Move out of line.
8705 (PREDICATE_CODES): Update.
8706 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
8707 (addsi3_plus1_alt, adddi3_plus1_alt): New.
8708 (shladd_elim splitter): Allow constants in the predicate.
8709 (doloop_end, doloop_end_internal): New.
8711 2000-07-30 Richard Henderson <rth@cygnus.com>
8713 * genattrtab.c (struct insn_def): Add lineno member.
8714 (struct insn_ent): Likewise.
8715 (struct attr_desc): Likewise.
8716 (struct delay_desc): Likewise.
8717 (struct function_unit_op): Likewise.
8718 (struct function_unit): Likewise.
8719 (check_attr_value): Use message_with_line.
8720 (check_defs): Likewise.
8721 (expand_units): Likewise.
8722 (check_attr_test): Take a lineno argument.
8723 (gen_attr): Likewise.
8724 (gen_insn): Likewise.
8725 (gen_delay): Likewise.
8726 (gen_unit): Likewise.
8727 (main): Give it to them.
8728 (convert_set_attr_alternative): Take an insn_def argument
8729 instead of num_alt and insn_index.
8730 (convert_set_attr): Likewise.
8731 (write_test_expr): Protect INSN_ADDRESSES load
8732 with INSN_ADDRESSES_SET_P.
8734 2000-07-30 Richard Henderson <rth@cygnus.com>
8736 * flow.c (init_propagate_block_info): Use pc_set.
8738 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
8740 * i386.md (*lea_general_[123]) New insns and splits.
8741 (addsi3 to lea splitter): Handle other modes too.
8742 (shlsi3 to lea splitter): Likewise.
8743 (addhi_1_lea, shlhi_1_lea): New patterns.
8744 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
8746 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8748 * recog.c (general_operand, nonimmediate_operand): Accept
8749 any mode for VOIDmode CONSTANT_P operands.
8751 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8753 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
8754 instead of replace_rtx.
8755 * recog.c (validate_replace_rtx_subexp): New function.
8756 * recog.h (validate_replace_rtx_subexp): Declare.
8758 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
8760 * combine.c (simplify_set, make_extraction, make_compound_operation
8761 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
8762 as force_to_mode argument.
8764 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8766 * combine.c (if_then_else_cond): Be sure that mode fits in
8769 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8771 * combine.c (record_promoted_value): Allow bitsize of mode
8772 to be equivalent to HOST_BITS_PER_WISE_INT.
8774 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
8776 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
8777 Do not call gen_mode_alignment when mode is BLKmode.
8779 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
8781 * loop.c (express_from_1): Fix call of simplify_gen_binary.
8783 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8785 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
8786 VOIDmode implies both operands to be VOIDmode.
8787 (simplify_ternary_operation): Compute properly the mode of comparison.
8788 * combine.c (combine_simplify_rtx): Likewise.
8790 2000-07-25 Michael Hayes <mph@paradise.net.nz>
8792 * basic-block.h (struct loops): New field rc_order.
8793 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
8794 (flow_loops_free): Free rc_order.
8795 (flow_depth_first_order_compute): New parameter rc_order.
8796 (flow_loops_find): Allocate rc_order and swap usage with
8799 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8800 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8802 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
8803 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
8804 (nodb_call, return_from_epilogue): Likewise.
8805 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
8806 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
8807 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
8808 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8809 (c4x_valid_type_attribute_p): Likewise.
8810 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
8811 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
8813 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8815 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
8816 and loadhi_big_constant if applicable.
8817 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
8818 and add new splitter.s
8820 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8822 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
8824 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8826 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
8828 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8830 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
8832 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8834 * config/c4x/libgcc.S (divqf3): Improve accuracy.
8836 2000-07-27 Mark Mitchell <mark@codesourcery.com>
8838 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
8839 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
8840 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
8841 (get_prev_bb_note): Likewise.
8842 (remove_scope_notes): Likewise.
8843 * flow.c (commit_one_edge_insertion): Likewise.
8844 (merge_blocks_nomove): Likewise.
8845 (verify_flow_info): Likewise.
8846 * gcse.c (insert_insn_end_bb): Likewise.
8847 * reg-stack.c (emit_swap_insn): Likewise.
8848 * ssa.c (first_insn_after_basic_block_note): New function.
8849 (insert_phi_node): Use it.
8850 (rename_block): Likewise.
8851 (eliminate_phi): Likewise.
8852 (make_regs_equivalent_over_bad_edges): Likewise.
8853 (make_equivalent_phi_alternatives_equivalent): Likewise.
8854 (for_each_successor_phi): Likewise.
8855 (convert_from_ssa): Modify phi-node deletion algorithm.
8857 2000-07-29 Andreas Jaeger <aj@suse.de>
8859 * configure.in (mips*-*-linux*): Use mips*el to check for little
8860 endian MIPS, add tmake_file.
8862 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
8863 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
8864 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
8866 2000-07-28 Richard Henderson <rth@cygnus.com>
8868 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
8869 Sign extend mode size before negating.
8871 2000-07-28 Richard Henderson <rth@cygnus.com>
8873 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
8875 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
8877 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
8878 (cse_insn): Likewise.
8879 (addr_affects_sp_p): Likewise.
8880 * expr.c (move_by_pieces): Likewise.
8881 (clear_by_pieces): Likewise.
8882 * gcse.c (oprs_unchanged_p): Likewise.
8883 * haifa-sched.c (sched_analyze_2): Likewise.
8884 * recog.c (offsettable_address_p): Likewise.
8885 * regclass.c (record_address_regs): Likewise.
8886 * reload.c (find_reusable_reload): Likewise.
8887 (push_reload): Likewise.
8888 (operands_match_p): Likewise.
8889 (decompose): Likewise.
8890 (find_reloads_address_1): Likewise.
8891 (find_inc_amount): Likewise.
8892 * reload1.c (elimination_effects): Likewise.
8893 * resource.c (mark_set_resources): Likewise.
8894 * flow.c (attempt_auto_inc): New function; mostly broken out
8896 (find_auto_inc): Split into two functions and enhanced to
8897 generate POST_MODIFY.
8898 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
8899 * rtl.h (count_all_occurrences): Declare.
8900 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
8902 * rtlanal.c (count_all_occurrences): New function.
8903 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
8904 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
8906 * config/ia64/ia64-protos.h (destination_operand): Declare.
8907 * config/ia64/ia64.c (destination_operand): New function.
8908 (ia64_print_operand): Handle POST_MODIFY.
8909 (rtx_needs_barrier): Likewise.
8910 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
8911 (HAVE_POST_MODIFY_REG): Define to 1.
8912 (MAX_REGS_PER_ADDRESS): Change to 2.
8913 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
8914 (LEGITIMATE_ADDRESS_REG): New helper macro.
8915 (LEGITIMATE_ADDRESS_DISP): Likewise.
8916 (PREDICATE_CODES): Add entry for destination_operand.
8917 * config/ia64/ia64.md (all mov patterns): Use destination_operand
8918 predicate for operand 0.
8920 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8922 * dwarf2out.c: Indent #error directive.
8924 * gbl-ctors.h: Fix typo in comment.
8925 (__do_global_ctors): Prototype.
8927 * gcse.c (record_one_set, pre_delete): Remove unused variables.
8929 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
8930 (print_operand): Initialize variable `t'.
8932 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
8934 * config/arm/arm.md ("call_value"): removed constraints.
8935 Constraints are ignored in expanders.
8936 (*call_value_reg): split =rf into various constraints.
8937 (*call_value_mem): same
8938 (*call_value_symbol): same
8939 (*sibcall_value_insn): same
8941 2000-07-28 Philipp Thomas <pthomas@suse.de>
8943 * install.texi (--enable-nls): Change the description of the NLS
8944 related configure options to match the current state.
8945 (--with-included-gettext): Likewise.
8946 (--enable-maintainer-mode): New description added.
8947 * extend.texi (-fstrict-prototype): Add missing '.'.
8949 2000-07-27 Jim Wilson <wilson@cygnus.com>
8951 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
8952 DECL_INITIAL (decl) == NULL_TREE.
8954 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
8956 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
8957 on insn-attr.h with it.
8958 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
8959 * insn-addr.h: New header.
8960 (insn_addresses_): Renamed from insn_addresses.
8961 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
8962 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
8963 INSN_ADDRESSES_NEW): New macros.
8964 * genattrtab.c (write_test_expr): Use new macros.
8965 * final.c (insn_addresses, init_insn_lengths): Likewise.
8966 (align_fuzz, shorten_branches): Likewise.
8967 (final): Likewise. Do not reject new insns if their addresses
8968 have been added to INSN_ADDRESSES.
8969 * config/arm/arm.c, config/avr/avr.c: Use new macros.
8970 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
8971 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
8972 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
8973 * config/sh/sh.c: Likewise.
8974 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
8976 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
8978 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
8980 * gcc.c (struct prefix_list): Add member priority.
8981 (enum path_prefix_priority): Declare.
8982 (add_prefix): Replace ``first'' with ``priority''. Append new
8983 entry but keep list in priority order.
8984 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
8985 PREFIX_PRIORITY_LAST to add_prefix.
8986 (process_command): Move include kludge - foo/stageN - to before
8989 2000-07-27 Jason Merrill <jason@redhat.com>
8991 * dwarf2out.c (gen_typedef_die): Abort if we get identical
8992 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
8994 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
8996 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
8997 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
8999 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
9001 * c-decl.c (finish_function): Don't treat 'main' specially unless
9002 flag_hosted. In C99 mode, return 0 from 'main' unless
9003 DEFAULT_MAIN_RETURN is otherwise defined.
9005 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
9006 parameters defaulting to int in an old-style function definition.
9008 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9010 * c-parse.in (string): For -Wtraditional, warn about string
9011 concatenation only once per line.
9013 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
9015 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
9016 for HI-UX/WE2 systems.
9018 2000-07-24 Bruce Korb <bkorb@gnu.org>
9020 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
9021 defining the __xxx_TYPE__ macros.
9022 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
9023 * fixincl/fixlib.h: don't need to include "tm.h" anymore
9024 * fixincl/inclhack.def(type_map): now obsolete
9026 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
9028 * cpp.texi: Append a trailing full-stop to xrefs where needed.
9030 2000-07-26 Dave Pitts <dpitts@cozx.com>
9032 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
9034 (mvs_hash_alias): New function.
9035 (mvs_add_alias): Change argument spacing.
9036 (mvs_need_alias): Change aliasing criteria. Added documentation.
9037 (mvs_get_alias): Change to use hashed name. The hashed name prevents
9038 CSECT name collisions.
9039 (mvs_check_alias): Likewise.
9040 (handle_pragma): Change documentation.
9041 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
9042 mode from SImode to DImode.
9043 (iorhi3): Changed LTORG size for insn.
9045 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
9047 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
9048 mem if the address is a mode_dependent_address_p.
9050 2000-07-26 Kazu Hirata <kazu@hxi.com>
9052 * h8300.c (print_operand): Print ":8" when the 'R' operand is
9053 suitable for 8-bit absolute.
9054 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
9055 (OK_FOR_U): Add a case for the 8-bit constant address on the
9058 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
9060 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
9061 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
9062 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
9063 lack of implemented alignment.
9065 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
9067 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
9068 cross-compiling between 64-bit and 32-bit machines.
9070 2000-07-27 Richard Henderson <rth@cygnus.com>
9072 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
9073 (movhicc_astep, movhi_internal_astep): New.
9074 (movsicc_astep, movsi_internal_astep): New.
9075 (movdicc_astep, movdi_internal_astep): New.
9076 (movsfcc_astep, movsf_internal_astep): New.
9077 (movdfcc_astep, movdf_internal_astep): New.
9078 (movxfcc_astep, movxf_internal_astep): New.
9079 (cmovdi_internal_astep, cmovsi_internal_astep): New.
9080 Unify the cmov[ds]i splitters.
9082 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
9084 * real.c (asctoeg): Rename `error' label to unexpected_char_error
9086 2000-07-26 Nick Clifton <nickc@cygnus.com>
9088 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
9089 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
9091 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
9092 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
9094 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
9096 * c-decl.c (finish_enum): Convert enumerations that fit in an
9098 (build_enumerator): In pedantic mode, cast to `int' those that
9101 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
9103 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
9105 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9107 * sh.md (cmpgtdi_t): Must be split.
9108 (cmpgtdi_t+1): New splitter.
9110 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
9112 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
9113 warnings for indented directives even if we are skipping.
9115 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
9117 * invoke.texi (strict-prototypes): Remove.
9118 * extend.texi (Deprecated Features): Add strict-prototypes.
9119 (Backwards Compatibility): New node.
9121 2000-07-25 Jakub Jelinek <jakub@redhat.com>
9123 * config/i386/i386.md (andsi_1+1): Allow HImode.
9124 (andsi_1+2): Require q_regs_operand.
9126 2000-07-25 Jakub Jelinek <jakub@redhat.com>
9128 * config/i386/i386.md (call_pop): Check operands[0],
9129 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
9131 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
9132 (call_value): Likewise.
9134 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
9136 * toplev.c (pipe_closed): Delete.
9137 (crash_signal): New. Generate ICE for a fatal signal.
9138 (float_signal): Call crash_signal outside a float-handler
9140 (main): Install crash_signal as handler for core-dumping signals.
9142 2000-07-25 David Edelsohn <edelsohn@gnu.org>
9144 * rs6000.c (print_operand, case 'T'): New case.
9146 * rs6000.md (call_indirect_aix32): Convert to expander of
9147 scheduled instructions.
9148 (call_indirect_aix64): Likewise.
9149 (call_value_indirect_aix{32,64}): Likewise.
9150 (call, call_value): Invoke expanders for AIX. Fall through to
9152 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
9153 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
9154 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
9155 only "g" constraint.
9156 (call_nonlocal_aix64): Likewise.
9157 (call_value_nonlocal_aix{32,64}): Likewise.
9158 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
9160 (call_value_nonlocal_sysv): New pattern.
9161 (indirect_jump{si,di}): Use new 'T' modifier.
9162 (tablejump{si,di} matchers): Likewise.
9163 (return_internal_{si,di}): Likewise.
9164 (return_eh_{si,di}): Likewise.
9166 2000-07-24 Richard Henderson <rth@cygnus.com>
9168 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
9169 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
9170 * config/ia64/ia64.md (movdi_internal): Use it.
9172 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
9174 * cppexp.c: Warn about unary + if -Wtraditional.
9175 * cpplex.c (lex_line): Always set BOL on the first token of a line.
9177 2000-07-24 Michael Meissner <meissner@redhat.com>
9179 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
9182 2000-07-24 Nick Clifton <nickc@cygnus.com>
9184 * config/arm/arm.c (emit_multi_reg_push): Generate a
9185 REG_FRAME_RELEATED_NOTE that is compatable with the code in
9186 dwarf2out_debug_frame_expr.
9188 2000-07-24 Jason Merrill <jason@redhat.com>
9190 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
9191 UNALIGNED_INT_ASM_OP.
9192 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
9193 a location expression.
9194 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
9195 assume indirect access if we're saving the CFA address exactly.
9197 * Makefile.in (bootstrap): Move -BstageN/ to the end.
9199 2000-07-24 Jakub Jelinek <jakub@redhat.com>
9201 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
9204 2000-07-24 Michael Meissner <meissner@redhat.com>
9206 * invoke.texi (D30V Options): Add d30v options.
9208 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
9210 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
9211 needed by our gcse pass anymore.
9212 (free_pre_mem): Corresponding changes.
9213 (compute_pre_data): Do not call compute_transpout anymore.
9215 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
9216 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
9219 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
9220 (compute_pre_data): Do it here instead.
9222 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
9224 (pre_delete): Corresponding changes.
9226 2000-07-23 Mark Mitchell <mark@codesourcery.com>
9228 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
9229 to figure out whether or not a variable has already been emitted.
9231 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
9233 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
9234 instead of gen_call.
9236 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
9238 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
9240 2000-07-23 Kazu Hirata <kazu@hxi.com>
9242 * h8300.c: Fix formatting.
9244 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
9246 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
9247 for `long' switch expression into a plain warning.
9249 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
9250 (yylex): Don't pedwarn for "inline" in C99 mode.
9252 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
9254 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
9255 ggc_alloc): Likewise.
9256 * bb-reorder.c (dump_scope_forest_1): Likewise.
9258 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
9260 * reload.c (find_reloads_toplev): Add new parameter
9262 (find_reloads): Add new parameter to find_reloads_toplev calls.
9264 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
9266 * collect2.c (main): Typo fixed.
9267 * diagnostic.c: Typo fixed.
9268 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
9269 * eh-common.h: Typo fixed.
9270 * emit-rtl.c (start_sequence): Typo fixed.
9271 * flow.c (find_label_refs): Typo fixed.
9272 (calculate_global_regs_live): Typo fixed.
9273 (mark_regno_cond_dead): Typo fixed.
9274 (create_edge_list): Typos fixed.
9275 (verify_edge_list): Typo fixed.
9276 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
9277 * loop.c (strength_reduce): Typo in function name fixed.
9278 * rtl.h: Added comments. Typo in function name fixed.
9279 * rtlanal.c: Typo in function name fixed.
9280 (insn_dependant_p): Rename to ...
9281 (insn_dependent_p): ... this.
9282 (computed_jumo_p): Typo fixed.
9284 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9286 * system.h (__FUNCTION__): Wrap definition in #ifndef.
9288 2000-07-21 David Edelsohn <edelsohn@gnu.org>
9290 * rs6000.h (SIZE_TYPE): Define.
9292 2000-07-21 Mark Mitchell <mark@codesourcery.com>
9294 * ssa.c (rename_insn_1): Don't rename registers that are
9297 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
9299 * diagnostic.c (trim_filename, fancy_abort): Moved here from
9301 (fatal_function, set_fatal_function): Removed.
9302 (fatal): Don't prepare for or call the fatal_function.
9303 (diagnostic_lock, error_recursion): New.
9304 (diagnostic_for_decl, report_diagnostic): Guard against
9305 re-entering the error reporting routines.
9306 (fancy_abort): Assume function is not NULL.
9308 * errors.c (fancy_abort): New. Assume function is not NULL.
9309 * tradcpp.c (fancy_abort): Assume function is not NULL.
9311 * system.h: Provide default definition of __FUNCTION__.
9312 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
9313 Always use __FUNCTION__ in definition of abort.
9315 * varray.h: Likewise.
9316 * toplev.h: Likewise. Don't prototype set_fatal_function.
9318 2000-07-20 Geoff Keating <geoffk@cygnus.com>
9320 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
9322 * glimits.h: Don't do #if defined for ARCH_PPC.
9324 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
9325 constants of size no larger than a pointer should go in the TOC.
9326 Add 'MODE' parameter.
9327 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
9328 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
9329 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
9330 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
9331 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
9332 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
9333 (rs6000_legitimize_address): Likewise.
9334 (rs6000_emit_move): Likewise.
9335 (rs6000_select_rtx_section): Likewise.
9336 (output_toc): Deal properly with outputting small constants like
9337 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
9338 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
9339 MODE parameter. Put small constants in the TOC.
9341 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
9343 (rs6000_emit_move): When reload calls us with an illegitimate
9344 address, exit early. Move the change_address calls to one place
9345 at the end of the routine. Merge the SImode and DImode expanders.
9346 When called by reload to put an integer into a FP register, force
9349 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
9351 (rs6000_hash_constant): Hash mode too.
9352 (toc_hash_function): Allow for key_mode.
9353 (toc_hash_eq): Structures are different if key_mode differs.
9354 (output_toc): Add 'mode' parameter. Save key_mode.
9355 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
9356 Pass 'mode' parameter.
9357 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
9359 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
9360 for vtable references.
9362 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
9363 choice, don't put integer values in FP regs.
9365 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
9367 * flow.c (verify_flow_info): Revamp code to verify that the
9368 head and end of each basic block are in the insn chain.
9370 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
9372 * gcse.c (record_one_set): Prepend instead of append onto
9373 reg_set_table, making it O(n) instead O(n^2).
9374 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
9375 Use a queue instead of a stack as worklist.
9377 2000-07-20 Kazu Hirata <kazu@hxi.com>
9379 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
9380 * h8300.h (OK_FOR_T): New.
9381 (EXTRA_CONSTRAINT): Support OK_FOR_T.
9382 * h8300.md: Use inc/dec.[wl] for increment/decrement
9383 by 1 and 2 in HI and SI modes.
9385 2000-07-20 Jim Wilson <wilson@cygnus.com>
9387 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
9388 larger than 14 bits.
9390 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
9392 * cppmacro.c (CAN_PASTE_AFTER): New macro.
9393 (count_params): Don't set GNU_REST_ARGS on anything.
9394 (save_expansion): Set PASTE_LEFT only on tokens for which
9395 CAN_PASTE_AFTER is true, or which are named operators.
9397 * cpplex.c (parse_args): Distinguish between a rest argument
9398 given one empty argument, and a rest argument given zero arguments.
9399 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
9400 deletion of previous token based on that.
9401 (get_raw_token): Flatten some control structure.
9403 * cpplib.h (CPP_LAST_EQ): Correct.
9404 (VOID_REST): New token flag.
9405 (GNU_REST_ARGS): Delete.
9407 * tradcpp.c (main): Don't munge -D options.
9408 (make_definition): Bring -D handling in line with cpplib.
9409 (do_define): Strip all leading whitespace from macro definitions.
9411 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
9413 * Makefile.in (tradcpp): Depend on intl.o and version.o.
9415 2000-07-20 Bruce Korb <bkorb@gnu.org>
9417 * fixincl/check.tpl: strip the platform specific types before testing
9418 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
9419 * fixincl/fixincl.tpl: use platform specific types
9420 * fixincl/fixlib.h: include the platform specific types
9421 * fixincl/inclhack.def(gnu_types): don't supply the types
9422 * fixincl/fixincl.x: regen
9424 2000-07-19 Jim Wilson <wilson@cygnus.com>
9426 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
9429 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9431 * tradcpp.c (rescan): Do not recognize directives when the #
9434 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
9436 Implement C++ named operators.
9438 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
9439 of operators allowed in #if and having an _EQ variant. Add
9440 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
9441 (cpp_token flags): Add NAMED_OP.
9442 (enum node_type): Add T_OPERATOR.
9443 (struct cpp_hashnode): Add code slot to value union.
9444 * cpphash.h (spec_nodes): Remove n_defined.
9446 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
9447 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
9448 (is_macro_disabled): Tweak error messages.
9450 * cpplib.c (get_define_node): Disallow all named operators as
9451 macro names. Tweak error messages.
9452 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
9454 * cppinit.c (builtin_array): Add entries for the named operators.
9455 * cppexp.c (lex): Check for CPP_DEFINED token.
9456 (priority table): Add entries for CPP_MIN and CPP_MAX.
9457 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
9459 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
9461 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
9462 larger than the array of cuids.
9463 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
9466 2000-07-19 Bruce Korb <bkorb@gnu.org>
9468 * fixinc/fixincl.c: Convert to using a table of environment variables
9469 and activate the auto-edit marker on the fixed output files.
9470 * fixinc/fixlib.h: Define the environment table
9471 * fixinc/fixincl.sh: export the ${INPUT} dir
9472 * fixinc/check.tpl: likewise
9474 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9476 * gcc.c (.h spec): Fix typo.
9478 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
9480 * Makefile.in: Fix tradcif.c path.
9482 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
9484 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
9487 * cpphash.h (TOKEN_NAME): New macro.
9488 (_cpp_spell_operator): Deleted.
9489 (token_spellings): Now _cpp_token_spellings.
9491 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
9492 * cpplex.c: Use OP and TK macros when expanding the
9493 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
9494 store the stringification of the enumeration name (CPP_CHAR,
9495 etc.) in the name slot of token_spellings.
9496 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
9497 token_spellings directly.
9498 * cpplib.c: Use TOKEN_SPELL.
9500 * cpplex.c (_cpp_push_token): If the token being pushed back
9501 is the previous token in this context, just subtract one from
9503 * cppmacro.c (save_expansion): Clear aux field when storing a
9506 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9508 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
9509 buffer, provided it is not NULL.
9511 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
9513 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
9514 case of invalid volatile re-declaration.
9516 2000-07-18 Jakub Jelinek <jakub@redhat.com>
9518 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
9519 (expand_call): Adjust caller.
9521 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
9523 * diagnostic.h (report_diagnostic): Change prototype.
9525 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
9526 diagnostic_for_decl): Change prototype.
9527 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
9528 error, warning, error_with_file_and_line,
9529 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
9530 Adjust call to report_diagnostic, diagnostic_for_decl.
9531 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
9532 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
9534 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
9535 varaible argument list.
9537 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9539 * cpphash.c: Don't include hashtab.h. Most macro-handling code
9540 moved to cppmacro.c.
9541 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
9542 dump_hash_helper): Delete.
9543 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
9544 cpp_forall_identifiers): New. Implement specialized version of
9545 Vlad's expandable hash table.
9546 (cpp_lookup): Use new functions.
9547 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
9549 * cppmacro.c: New file.
9550 * cppinit.c (dump_macros_helper): New.
9551 (cpp_finish): Iterate over the identifier table directly.
9552 * cpplex.c (parse_name): Calculate the hash of the identifier
9553 while we scan it. Use _cpp_lookup_with_hash when we can.
9555 * cpphash.h: Update prototypes.
9556 (xcnewvec, HASHSTEP): New helper macros.
9557 * cpplib.h: Update prototypes.
9558 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
9559 (cppmacro.o): New rule.
9560 (cpphash.o): Update deps.
9562 * cppmain.c: Do not set pfile->printer if no_output is on.
9564 2000-07-15 Neil Booth <neilb@earthling.net>
9566 * cpplib.c: Change all directive-handler functions to return
9568 * cpphash.h: Update typedefs.
9570 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9572 * configure: Regenerate.
9574 * extend.texi (Extended Asm): Mention that a memory clobber
9575 does not count as a side-effect.
9577 * unroll.c (copy_loop_body): Fix one instance of using host
9578 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
9581 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
9583 2000-07-17 Richard Henderson <rth@cygnus.com>
9585 * config/ia64/ia64.md (movdi): Split out load address code.
9586 New post-reload splitter for symbolic operands.
9587 (movdi_internal): Abort if we didn't split symbolic operands
9588 when we should have.
9589 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
9590 (ia64_reorg): Split insns when not optimizing.
9591 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
9593 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
9595 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
9596 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
9598 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9600 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
9602 2000-07-17 Jason Merrill <jason@redhat.com>
9604 * Makefile.in (clean): Remove libgcc directory.
9606 * configure.in (-Wno-long-long check): Use higher-level macros.
9608 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9610 * simplify-rtx.c (simplify_binary_operation): Recognize
9611 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
9612 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
9613 a CONST_INT, it will always be zero.
9615 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
9617 * loop.c (check_dbra_loop) : Return if more than one condition is
9618 present to control the loop.
9620 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
9622 * mips.c (mips_expand_prologue): Don't calculate the last argument
9623 register unless we need it. When we are calculating this, make
9624 sure FUNCTION_ARG is giving us a REG.
9626 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9628 * flow.c (libcall_dead_p): Use single_set to verify the insn
9629 has only one set and get for analysis.
9630 (propagate_one_insn): Don't pass the PATTERN of the insn.
9632 2000-07-17 Mark Klein <mklein@dis.com>
9634 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
9636 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
9638 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
9639 * configure.in (TARGET_GETGROUPS_T): Evaluate.
9640 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
9641 of second argument of getgroups.
9642 * configure, config.in: Rebuilt.
9644 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
9646 * simplify-rtx.c (simplify_relational_operation): Two signed
9647 values with equal high words are less/greater than each other if
9648 their low words are less/greater when considered as unsigned.
9650 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
9652 * configure.in (vax-*-openbsd): Change to new style configuration,
9653 add collect2/float_format information.
9654 * configure: Rebuilt.
9655 * config/vax/openbsd1.h: New.
9656 * config/vax/openbsd.h: New.
9657 * config/vax/t-openbsd: New.
9659 2000-07-17 Chip Salzenberg <chip@valinux.com>
9661 * c-common.c (shorten_compare): Quiet warnings about unsigned
9662 comparisons with zero when they occur in a system header.
9664 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
9666 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
9667 update to describe current practice.
9669 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
9671 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
9672 references to C9X. Change references to -fstd and -flang-isoc9x
9675 * c-common.c (scan_char_table): Allow "z" length modifiers on
9677 (check_format_info): Use TYPE_DOMAIN on the type matched against
9678 for "z" formats, to retrieve the language size_t rather than the
9681 * c-common.c (check_format_info): Do not make a pedantic objection
9682 to the 'L' length modifier if used with a floating point type
9685 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
9686 constants in C99 mode.
9688 2000-07-17 Kazu Hirata <kazu@hxi.com>
9690 * h8300.md: Fix the format of mac.
9691 (movsi_h8300hs): Output a tab after stmac instead of a space.
9693 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
9694 profitable adds/subs sequences.
9696 * fold-const.c: Fix comment typos.
9698 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
9700 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
9702 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9704 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
9706 2000-07-16 Neil Booth <NeilB@earthling.net>
9708 * cpplex.c: Update comments.
9709 * README.Portability: Small update.
9711 2000-07-16 Neil Booth <NeilB@earthling.net>
9713 * README.Portability: Small update.
9715 2000-07-15 Richard Henderson <rth@cygnus.com>
9717 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
9718 * config/ia64/ia64.c (ia64_move_ok): New function.
9719 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
9720 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
9722 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
9724 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
9725 immediately following a paste operator.
9726 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
9727 (cpp_reader_init): Call it, if HOST_EBCDIC.
9728 (cpp_handle_options): Do not sort option list here.
9729 (handle_option): Rename to cpp_handle_option and export.
9730 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
9731 _cpp_get_token directly.
9732 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
9733 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
9734 * cpplib.h: Prototype cpp_handle_option. Update prototype of
9737 2000-07-15 Richard Henderson <rth@cygnus.com>
9739 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
9740 cast around an expression. Tidy other unsigned tests.
9742 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
9744 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
9745 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
9746 (v_message_with_decl): Rename to ...
9747 (format_with_decl): ... this. Tweak
9748 (diagnostic_for_decl): New function.
9749 (fatal_io_error): Use verbatim in lieu of notice.
9750 (announce_function): Use verbatim.
9751 (default_print_error_function): Likewise.
9752 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
9755 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9757 * mips.c (function_arg_pass_by_reference): Don't do automatic
9758 aggregate initialization.
9759 (machine_dependent_reorg): Initialize variable `mode'.
9761 * mips.md (absdi2): Change variable `regno1' to unsigned int.
9762 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
9763 conflicts with sys/param.h macro of the same name.
9764 (reload_outdi): Likewise.
9766 2000-07-15 Michael Meissner <meissner@redhat.com>
9768 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
9769 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
9770 create a new node instead.
9772 2000-07-15 Neil Booth <NeilB@earthling.net>
9774 * README.Portability: Correct example about calling a function
9775 through a pointer to function. Format wide paragraphs.
9777 2000-07-15 Michael Meissner <meissner@redhat.com>
9779 * README.Portability: Update integer suffixes and function
9782 2000-07-15 Neil Booth <NeilB@earthling.net>
9784 * README.Portability: Small update.
9786 2000-07-15 Neil Booth <NeilB@earthling.net>
9788 * README.Portability: New file.
9790 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
9792 * INSTALL: Give special instructions for building GCC on Irix 6.
9793 * config/mips/x-iris6 (CC): Don't set it.
9796 2000-07-14 Jason Merrill <jason@redhat.com>
9798 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
9799 register in the stack and later in another register, use the new
9802 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
9804 * config/mips/mips.md: (absdi2): Handle sign_extend for
9807 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
9809 * cpplib.c (do_pragma_dependency): Tidy warning messages.
9811 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
9813 * .cvsignore: Correct typo.
9815 2000-07-13 Mark Mitchell <mark@codesourcery.com>
9817 * .cvsignore: Add generated YACC files.
9818 * objc/.cvsignore: New file.
9820 2000-07-14 Neil Booth <NeilB@earthling.net>
9822 * cpplex.c (adjust_column): New funcion.
9823 (skip_whitespace): Use it.
9824 (skip_block_comment): Use it, and warn about /*/* with
9827 2000-07-14 Neil Booth <NeilB@earthling.net>
9829 * cpphash.c (struct macro_info): Add new members.
9830 (_cpp_free_definition): Delete the macro directly.
9831 (count_params): Return void, with first token of
9832 expansion in struct macro_info on success.
9833 (parse_define): Return int. Hoist syntax checking from
9834 save_macro_expansion. Leave call to save_expansion to
9835 _cpp_create_definition.
9836 (alloc_macro): Needs just 2 arguments.
9837 (free_macro): Delete.
9838 (save_expansion): Don't perform syntax check.
9839 (_cpp_create_definition): Call save_expansion.
9841 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9843 * genrecog.c (write_header): Split long string.
9845 * cpphash.c (macro_info): Don't use the `signed' keyword.
9847 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
9849 2000-07-13 Jakub Jelinek <jakub@redhat.com>
9851 * calls.c (stored_args_map): New variable.
9852 (check_sibcall_argument_overlap_1): New.
9853 (check_sibcall_argument_overlap): New.
9854 (expand_call): Initialize stored_args_map.
9855 Call check_sibcall_argument_overlap.
9857 2000-07-13 Bruce Korb <bkorb@gnu.org>
9859 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
9860 (emit_gnu_type): utility procedure for gnu_type_fix
9861 (gnu_type_fix): implement various pre-processor guards around
9862 standard types so these types can be defined over and over
9863 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
9864 types alluded to above will have GNU-compliant base types
9865 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
9866 * fixinc/inclhack.def: add test_text entries and utilize the new
9867 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
9868 * fixinc/fixincl.x: regenerate
9870 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9872 * diagnostic.c (vline_wrapper_message_with_location,
9873 v_message_with_file_and_line, v_error_with_file_and_file,
9874 v_error_for_asm, v_warning_for_asm, vfatal,
9875 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
9876 vsorry, verror, vwarning, vpedwarn): Remove.
9877 (diagnostic_for_asm): New function.
9878 (pedwarn, error, warning, pedwarn_with_file_and_line,
9879 error_with_file_and_line, warning_with_file_and_line, sorry,
9880 error_for_asm, warning_for_asm, fatal): Reimplement.
9881 (finish_diagnostic): Clear diagnostic info as well.
9883 2000-07-13 Neil Booth <NeilB@earthling.net>
9885 * c-common.h (flag_digraphs): New.
9886 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
9887 * c-lex.c (yylex): Use flag_digraphs to decide whether to
9890 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
9892 * gcc.c (do_spec_1): Add new %B operator.
9893 (set_input): Prepare for %B.
9895 (link_command_spec): Move up with the other tm.h-
9896 overrideable specs. Factor out the portion conditional on
9897 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
9898 (struct compiler): Just have a single spec string. All users
9900 (default_compilers): Remove unnecessary braces.
9901 (static_specs): Update.
9903 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
9905 (C and assembly specs): Use the new named specs, as appropriate.
9907 * objc/lang-specs.h: Use the new named specs.
9908 Remove unnecessary braces.
9910 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9912 * gcc.c (execute): If a subprocess gets a fatal signal, report
9913 strsignal() of the signal number, and ask for a bug report.
9914 Do not do this for SIGPIPE if there's already been an error.
9916 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
9919 * tradcif.c: Remove.
9921 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9923 * final.c (profile_function): Do not emit profile counters in
9924 the data section, if NO_PROFILE_COUNTERS is defined.
9925 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
9928 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
9929 (FUNCTION_PROFILER): Just emit a call to mcount.
9931 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9933 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
9935 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
9936 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
9937 traditional, lang_chill, or lang_fortran.
9939 * cppfiles.c: #undef strcmp to suppress warning about macros
9940 used without arguments.
9941 (_cpp_execute_include): Use f, not fname, in "No include path"
9943 (_cpp_pop_file_buffer): New function.
9944 * cpplib.c: Don't include <sys/mman.h>.
9945 (cpp_push_buffer): Set line_base and lineno in new buffer.
9946 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
9948 * cpplex.c: Move all prototypes and structure declarations to the
9949 top of the file. Properly parenthesise some macro arguments.
9950 (cpp_scan_line): New function.
9951 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
9952 don't need to walk up the stack counting.
9954 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9956 * c-common.c (combine_strings): Emit a pedantic warning when a
9957 string length is greater than the minimum ANSI C is required
9960 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
9962 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
9963 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
9965 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9967 * c-decl.c (define_label): Warn about identifier conflicts with
9968 labels in traditional C.
9970 * c-parse.in (unop +): Warn about the unary plus operator for
9973 * c-typeck.c (store_init_value): Warn about automatic aggregate
9974 initialization for traditional C.
9976 * invoke.texi (-Wtraditional): Document new warnings.
9978 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
9980 * Makefile.in (c-errors.o): Fix thinko in dependency.
9982 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9984 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
9985 -traditional, -ftraditional, or -traditional-cpp was given.
9986 Do not pass -traditional to the preprocessor.
9987 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
9988 preprocessor does it automatically.
9989 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
9991 * ch/lang-specs.h: Always use tradcpp. Do not pass
9992 -traditional, -trigraphs, or -pedantic to the preprocessor.
9993 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
9996 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
9998 * cppexp.c (LOGICAL): Delete macro.
9999 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
10002 * cpphash.c (HASHSIZE): Increase to 4096.
10003 (struct hashdummy): Add hash field.
10004 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
10005 the string values using memcmp.
10006 (cpp_lookup): Set dummy.hash.
10008 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
10010 * configure.in (m88k-openbsd): Express configuration using new fragment
10012 * configure: Rebuilt.
10013 * m88k/aout-dbx.h: New.
10014 * m88k/openbsd.h: New.
10015 * m88k/xm-openbsd.h: New.
10017 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10019 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
10021 2000-07-12 Richard Henderson <rth@cygnus.com>
10023 * reload.c (push_secondary_reload): Make sure to add the new
10024 reload at the end, after acquiring secondary memory.
10026 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10028 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
10030 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
10031 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
10033 * c-parse.in (stmt): Delete unused variables.
10035 * convert.c (convert_to_vector): Likewise.
10037 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
10039 * tree.c (finish_vector_type): Prototype.
10041 2000-07-12 Bruce Korb <bkorb@gnu.org>
10043 * fixinc/fixfixes.c: use xmalloc
10044 * fixinc/fixincl.c(initialize): set program name for xmalloc
10045 * fixinc/fixlib.c(must_malloc): obsolete
10046 (is_cxx_header): no longer used - disabled
10047 (skip_quote): inserted and disabled for future use
10048 * fixinc/fixlib.h: reflects above
10049 * fixinc/fixtests.c: removed dinkleberries
10051 2000-07-12 Neil Booth <NeilB@earthling.net>
10053 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
10054 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
10056 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
10057 struct toklist_dummy): New.
10058 (cpp_free_definition): Free macros with free_macro.
10059 (count_params): Don't save paramter spellings. Save macro
10060 information in a struct macro_info.
10061 (parse_define): Don't allocate a token list.
10062 (save_expansion): Allocate the macro's token list, and
10063 save parameter spellings if necessary. Use TOKEN_SPELL.
10064 (cpp_create_definition): Make list const.
10066 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10068 * c-typeck.c (pedwarn_c99): Move to
10069 * c-errors.c: ... Here.
10070 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
10071 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
10072 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
10073 (c-errors.o): List dependency.
10075 2000-07-12 Mark Mitchell <mark@codesourcery.com>
10077 * c-parse.c: Remove.
10078 * c-parse.h: Likewise.
10079 * c-parse.y: Likewise.
10080 * objc/objc-parse.c: Likewise.
10081 * objc/objc-pasre.y: Likewise.
10083 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
10085 * gcc.texi: Fix minor typos
10086 * extend.texi: Fix minor typos
10088 2000-07-11 Marc Espie <espie@openbsd.org>
10090 * collect2.c (main): Recognize .lo as object files.
10092 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10094 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
10097 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
10098 with MAP_ANONYMOUS and MAP_ANON.
10099 * configure, config.in: Rebuilt.
10101 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
10103 * diagnostic.c (save_output_state): Remove.
10104 (restore_output_state): Likewise.
10105 (clear_text_info): New function.
10106 (clear_diagnostic_info): Likewise.
10107 (output_text_length, is_starting_newline, output_prefix,
10108 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
10109 prefixing_policy, output_buffer_ptr_to_format_args): New macros
10110 (set_real_maximum_length, output_set_maximum_length,
10111 output_set_prefix, output_get_prefix, output_set_maximum_length,
10112 output_destroy_prefix, init_output_buffer,
10113 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
10114 output_add_newline, output_add_character, output_add_space,
10115 output_append_r, output_append, wrap_text, output_format,
10116 output_do_printf, output_printf, output_do_verbatim,
10117 output_verbatim, verbatim): Use them.
10118 (output_clear): Split into cleat_text_info and
10119 clear_diagnostic_info.
10120 (struct output_state): Move to...
10122 * diagnostic.h: ...Here
10123 (struct output_buffer): Adjust.
10125 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
10127 * cpplex.c (parse_name): No longer inline (premature optimization).
10128 (do_pop_context): Fold into pop_context.
10129 (pop_context): Returns int.
10130 (lex_next): Hoist test for end of directive into pop_context.
10131 (push_macro_context): Returns int; takes just reader and token.
10132 Hoist test for excessive nesting to caller.
10133 (push_arg_context): Returns void; takes just reader and token.
10134 Do not call stringify_arg or get_raw_token.
10135 (get_raw_token): Convert tail recursion through push_arg_context
10136 to a loop at this level. Call stringify_arg here if appropriate.
10137 (maybe_paste_with_next): Convert tail recursion to a while loop.
10138 Hoist test of paste_level to caller.
10140 (stringify_arg): Push arg context at beginning.
10141 (cpp_get_token): Split out core into _cpp_get_token. Call
10142 process_directive here. Throw away CPP_PLACEMARKER tokens.
10143 (_cpp_get_token): Convert tail recursion through
10144 push_macro_context to a loop at this level.
10145 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
10146 _cpp_get_raw_token): Use _cpp_get_token.
10147 (_cpp_skip_rest_of_line): Drop the context stack directly; do
10148 not call pop_context.
10149 (_cpp_run_directive): Call lex_next directly.
10151 * cpphash.h: Prototype _cpp_get_token.
10152 * cppexp.c (lex): Use it.
10153 * cpphash.c (parse_define): Use it.
10154 * cpplib.c (get_define_node, do_undef, parse_include,
10155 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
10156 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
10157 parse_ifdef, validate_else): Use it.
10158 (cpp_push_buffer): Tweak error message; abort if anyone tries
10159 to push a buffer while macro expansions are stacked.
10161 2000-07-11 Donn Terry <donnte@microsoft.com>
10163 * cpplex.c (free_macro_args, save_token): Cast arg of free
10164 and/or xrealloc to PTR.
10165 (_cpp_init_input_buffer): Clear all fields of the base context.
10167 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
10169 * gensupport.c (process_rtx): Make rtl checking stop
10170 complaining about the define_insn while it is being
10171 converted from a define_insn_and_split.
10173 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
10175 * config/mips/mips.c (simple_memory_operand): Access the
10176 INTVAL of the address, not it's containing MEM.
10178 2000-07-11 Bruce Korb <bkorb@gnu.org>
10180 * fixinc/fixtests.c(double_slash): obsolete
10181 (else_endif_label): likewise
10182 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
10183 (libc1_ifdefd_memx): correct initial comment
10184 and omit the #if/#endif pair from the memxxx declarations
10185 * fixinc/fixincl.x: regen
10187 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10189 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
10191 2000-07-11 Neil Booth <NeilB@earthling.net>
10193 * cpp.texi: Update.
10195 2000-07-11 Neil Booth <NeilB@earthling.net>
10197 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
10198 (handle_option): Set digraphs according to standard.
10199 Merge OPT_lang_c89 handler with OPT_std_c89.
10201 * cpplex.c: (lex_line, can_paste): Honour digraphs in
10202 accordance with the digraphs flag.
10204 * cpplib.h: (struct cpp_options): New option digraphs.
10206 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
10207 Bruce Korb <bkorb@gnu.org>
10209 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
10210 * fixinc/fixincl.x: Regenerate.
10211 * fixinc/tests/base/testing.h: Add testcase.
10213 2000-07-10 Richard Henderson <rth@cygnus.com>
10215 * config/ia64/ia64.c (got_symbolic_operand): New.
10216 (symbolic_operand, move_operand): Revert 0701 change.
10217 * config/ia64/ia64.h (PREDICATE_CODES): Update.
10218 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
10219 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
10220 split the offset into a 14-bit low part instead of a 13-bit low part.
10221 (load_fptr): Mark the mem as unchanging.
10222 (load_symptr): Use got_symbolic_operand.
10224 2000-07-10 Nick Clifton <nickc@cygnus.com>
10226 * libgcc2.c (next_stack_level): Cast result of computation to
10227 (void **) so that the assignment does not generate a warning.
10229 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
10231 * flags.h : Add new variable flag_single_precision_constant.
10232 * toplev.c (display_help) : Add -fsingle-precision-constant option.
10233 (flag_single_precision_constant): New.
10234 * c-lex.c (yylex): Convert floating point constant to single
10235 precision constant.
10236 * invoke.texi : Add documentation for this new option.
10238 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10240 * diagnostic.c (output_octal): Second parameter is unsigned.
10241 (output_long_octal): Likewise.
10242 (output_hexadecimal): Likewise.
10243 (output_long_hexadecimal): Likewise.
10244 (output_format): Adjust arguments extraction. Tweak.
10245 (output_verbatim, verbatim): End variable argument list.
10246 (report_diagnostic): Improve documentation.
10248 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
10250 * c-common.h (build_stmt): Declare.
10251 (build_continue_stmt): Likewise.
10252 (build_break_stmt): Likewise.
10253 (build_return_stmt): Likewise.
10255 * c-decl.c (do_case): Rewrite to do what previously done in
10258 * c-semantics.c (build_stmt): Define.
10259 (build_return_stmt): Likewise.
10260 (build_break_stmt): Likewise.
10261 (build_continue_stmt): Likewise.
10262 (build_case_label): Likewise.
10264 * c-parse.in (BREAK): Change to build tree, then generate RTL.
10265 (CONTINUE): Likewise.
10266 (RETURN): Likewise.
10268 (DEFAULT): Likewise.
10270 * c-parse.y: Regenerate.
10271 * c-pasre.c: Likewise.
10273 2000-07-09 Jason Merrill <jason@redhat.com>
10275 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
10277 * tree.h (STRIP_NOPS): Check for error_mark_node.
10278 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
10279 (dwarf2out_*): Remove duplicate declarations.
10281 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
10282 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
10284 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
10286 * diagnostic.c (wrap_text): New function.
10287 (maybe_wrap_text): Likewise.
10288 (output_add_string): Use it.
10289 (output_format): Likewise.
10290 (count_error): Use verbatim instead of notice.
10291 (report_error_function): Likewise. Don't use plain fprintf.
10292 (finish_diagnostic): New function.
10293 (output_do_verbatim): Tweak. Commonalize functionalities in
10294 output_verbatim and verbatim.
10295 (output_verbatim): Adjust.
10296 (verbatim): Likewise.
10297 (report_diagnostic): Define.
10299 * diagnostic.h (report_diagnostic): Prototype.
10301 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
10303 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
10305 2000-07-09 Neil Booth <NeilB@earthling.net>
10307 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
10308 IShspace, ISspace: Update.
10310 * cppinit.c: ISTABLE: Update.
10313 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
10314 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
10315 (skip_block_comment, skip_line_comment, parse_string,
10316 lex_line): Use is_vspace rather than IS_NEWLINE.
10317 (skip_whitespace, lex_line): Clean up to use is_nvspace.
10318 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
10320 (lex_next): Unconditionally stop if within a directive.
10321 Treat directives within macro invocations as directives
10322 (after parse_args emits error), not as the argument.
10324 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
10326 * diagnostic.c (diagnostic_args): New macro.
10327 (diagnostic_msg): Likewise.
10328 (output_formatted_integer): Likewise.
10329 (output_state): New data type.
10330 (digit_buffer): Make global.
10331 (output_add_integer): Rename to output_decimal. Squeeze
10333 (output_long_decimal, output_unsigned_decimal,
10334 output_long_unsigned_decimal, output_octal, output_long_octal,
10335 output_hexadecimal, output_long_hexadecimal): New functions.
10336 (output_append_r): New function.
10337 (output_append): Tweak.
10338 (output_flush_on): Rename to output_to_stream.
10339 (output_format): Change prototype. Improve documentation. Handle
10340 more format specifiers.
10341 (build_location_prefix): Rename to context_as_prefix.
10342 (output_notice): Rename to output_do_printf.
10343 (output_printf): Tweak.
10344 (line_wrapper_printf): Likewise.
10345 (vline_wrapper_message_with_location): Adjust call to renamed
10347 (v_message_with_decl): Likewise.
10348 (default_print_error_function): Likewise.
10349 (save_output_state): New function.
10350 (restore_output_state): Likewise.
10351 (output_do_verbatim): Likewise.
10352 (output_verbatim): Define.
10353 (verbatim): Likewise.
10355 * diagnostic.h (printer_fn): Change return type from void to int.
10356 Improve documentation.
10357 (output_add_integer): Rename to output_decimal.
10358 (output_flush_on, output_format): Don't export.
10359 (output_verbatim, verbatim): Declare.
10361 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
10363 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
10364 Check whether c divides op1 exactly if operation is not
10367 2000-07-08 Richard Henderson <rth@cygnus.com>
10369 * final.c (final): Do not abort when reg-stack introduces
10372 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
10374 * cpplib.h (struct cpp_name): Now struct cpp_string.
10375 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
10376 CPP_HEADER_NAME): Change to type S.
10377 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
10378 field, a cpp_hashnode *. All references to val.name updated
10379 to use val.str or val.node as appropriate.
10380 (struct cpp_reader): Add spec_nodes field.
10381 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
10383 * cpphash.h (struct spec_nodes): New.
10384 (enum spell_type): Reorder. Only SPELL_STRING tokens use
10385 val.str. All references to 'spelling > SPELL_NONE' updated to
10388 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
10389 pfile->buffer->inc are not NULL before dereferencing them.
10391 * cpplex.c (parse_name): Take a pointer to the current token,
10392 plus current position and limit as args; return the new
10393 position; don't copy the text of a name into the string
10394 buffer, instead call cpp_lookup and store the node pointer.
10395 If extending a token, copy out the text of the old into a
10396 scratch buffer, append the new, look that up and store the new
10397 node pointer. Inline.
10398 (maybe_paste_with_next): If the result of paste is a NAME,
10399 then look up the pasted text and store its node pointer.
10400 (lex_line): Adjust for new parse_name interface.
10401 Check for L"str", L'str' using spec_nodes->n_L.
10402 (spell_token): SPELL_IDENT tokens have their spelling in
10403 val.node->name. Handle SPELL_STRING tokens that don't have
10405 (_cpp_expand_name_space,
10406 (can_paste): Check for L ## "str" using spec_nodes->n_L.
10407 (cpp_get_token, special_symbol): No need to call cpp_lookup.
10408 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
10409 return 1=equal 0=not, not a tristate.
10411 * cpphash.c (var_args_str): Delete.
10412 (find_param): Compare node fields directly.
10413 (is__va_args__): Use CPP_PEDANTIC. Just compare
10414 token->val.node with spec_nodes->n__VA_ARGS__.
10415 (dump_funlike_macro): Don't use var_args_str.
10417 * cpplib.c (_cpp_check_directive): Just walk through
10418 spec_nodes->dirs comparing pointers.
10419 (get_define_node, do_pragma_poison, detect_if_not_defined,
10420 parse_ifdef): The identifier has already been looked up.
10421 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
10423 (do_if): Only call detect_if_not_defined at beginning of file.
10424 (_cpp_parse_assertion): Only copy string pointers for
10425 SPELL_STRING tokens.
10426 (pragma_dispatch): Take a node pointer and examine its name
10428 (_cpp_init_stacks): Also initialize the spec_nodes structure.
10430 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
10432 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
10433 reverse order from the corresponding _cpp_init_* routines.
10435 * cppexp.c (parse_number, parse_charconst, parse_defined,
10436 lex): Check val.node->type instead of calling cpp_defined.
10437 Use spec_nodes entries where appropriate.
10439 * fix-header.c, scan-decls.c: Update for interface changes.
10441 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
10443 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
10444 emitting aux_truncdfsf2.
10446 2000-07-03 Donn Terry (donnte@microsoft.com)
10448 * cppinit.c (print_help): split overlong line into ISO C89
10451 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10453 * cppexp.c: Update all code for new lexer interface.
10454 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
10455 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
10456 * cpplex.c (token_names): Trim leading CPP_ from names; make
10457 the strings unsigned.
10458 (_cpp_spell_operator): New.
10459 (is_macro_disabled): Disable all macros if rescanning
10461 (_cpp_get_directive_token): Remove.
10463 * cppinit.c: Don't set no_macro_expand.
10464 * cpplib.c (read_line_number, do_line): Check only for EOF,
10466 * cpphash.h: Update prototypes.
10467 * cpplib.h (CPP_VSPACE): Remove.
10468 (struct cpp_reader): Remove no_macro_expand.
10470 2000-07-08 Neil Booth <NeilB@earthling.net>
10472 * cpphash.c (is__va_args__): New function.
10473 (count_params): Fix line reported in error messages. Use
10474 is__va_args__. Don't return ')' on error. Flag GNU style
10475 rest args macro definitions.
10476 (parse_define): Check macro name is not __VA_ARGS__.
10477 (save_expansion): Check identifier in non-varargs-macro is
10478 not __VA_ARGS__. Don't flag GNU_VARARGS.
10479 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
10480 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
10481 than per-token GNU_VARARGS.
10482 * cpplib.h (GNU_VARARGS): Remove.
10483 (GNU_REST_ARGS): New.
10485 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10487 * i386.md (call_pop, call, call_value_pop): Do not set
10488 current_function_uses_pic_offset_table for calls to static
10489 functions or indirect calls.
10491 2000-07-07 Jim Wilson <wilson@cygnus.com>
10493 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
10494 is_predicate_reg, then take max write_count of register pair.
10496 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10498 * tradcpp.c (main): Rename label `include' to `add_include' to
10499 avoid conflicts with variable `include' in traditional C.
10501 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10503 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
10505 2000-07-07 Jakub Jelinek <jakub@redhat.com>
10507 * sibcall.c (uses_addressof): Add INMEM argument, check for
10508 current_function_internal_arg_pointer outside of MEM rtxs in addition
10510 (sequence_uses_addressof): Update caller.
10512 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
10514 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
10517 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10519 * system.h (UNION_INIT_ZERO): New macro for initializing union
10520 members in structs.
10522 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
10524 2000-07-07 Neil Booth <NeilB@earthling.net>
10526 * cpp.texi: Update.
10528 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
10530 * final.c (final): Detect out of bounds array access to
10531 the insn_lengths array.
10533 2000-07-07 Kazu Hirata <kazu@hxi.com>
10535 * fold-const.c (fold): Fix a comment typo.
10537 2000-07-07 Neil Booth <NeilB@earthling.net>
10539 * cpp.texi: Update to new lexer.
10541 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10543 * tradcpp.c: New file.
10544 * tradcif.y: New file.
10545 * tradcif.c: New generated file.
10547 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
10548 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
10549 dependencies of C. Install tradcpp from install-common, in
10552 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
10554 * cppinit.c: Include cppdefault.h. Refer to
10555 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
10556 to GCC_INCLUDE_DIR and its length.
10557 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
10558 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
10559 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
10561 (include_defaults_array): Move to cppdefault.c.
10563 * cppdefault.h: New file.
10564 * cppdefault.c: New file.
10566 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
10567 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
10568 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
10571 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10573 * reload.c (push_reload): When seeing if can reuse a register,
10574 check extra registers against widest of INMODE and OUTMODE.
10576 2000-07-06 Neil Booth <NeilB@earthling.net>
10578 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
10579 based on full length of predicate.
10581 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
10583 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
10584 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
10586 2000-07-05 Kazu Hirata <kazu@hxi.com>
10588 * h8300-proto.h: Fix formatting.
10589 * h8300.c: Likewise.
10590 * h8300.h: Likewise.
10592 2000-07-05 Jim Wilson <wilson@cygnus.com>
10594 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
10597 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
10599 * invoke.texi: Fix minor typos
10600 * md.texi: Fix minor typos
10602 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
10604 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
10606 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10608 * cpplex.c: Don't include sys/mman.h.
10609 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
10611 * cpplib.c: Include sys/mman.h and obstack.h.
10612 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
10614 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
10615 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
10616 bother freeing if stack entries (they will be freed with their buffer).
10617 (do_endif): Free if stack entries from the buffer obstack.
10618 (push_conditional): Allocate if stack entries from the buffer obstack.
10620 (find_answer): Rename to _cpp_find_answer.
10621 (do_assert, do_unassert): Update.
10623 * cpphash.h: Update prototypes.
10624 (xobnew): New convenience macro.
10625 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
10627 (struct cpp_hashnode): Remove disabled field.
10629 * cppinit.c: Don't include hashtab.h or splay-tree.h.
10630 (report_missing_guard): Moved to cppfiles.c.
10631 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
10633 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
10634 cpp_cleanup_includes. Don't destroy hashtab or
10635 all_include_files here.
10636 (cpp_finish): Use _cpp_report_missing_guards.
10638 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
10639 (_cpp_init_include_table): Rename _cpp_init_includes.
10640 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
10642 * cppexp.c (parse_assertion): Update for new name of
10645 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
10647 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
10649 * cpplib.c (do_ident): s/VSPACE/EOF/
10651 2000-07-05 Neil Booth <NeilB@earthling.net>
10653 * cpplex.c: Fix trigraph replacement within strings.
10655 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10657 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
10659 * xcoffout.c (assign_type_number): Constify.
10660 (xcoffout_source_file): Add static prototype. Don't needlessly
10661 cast away const-ness.
10663 2000-07-04 Jason Merrill <jason@redhat.com>
10665 * frame.h (frame_state): Move base_offset to end.
10667 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10669 * calls.c (emit_library_call_value_1): Revert previous change.
10671 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10673 * fix-header.c (struct partial_proto): Remove unnecessary fields.
10674 (recognized_extern, recognized_function, read_scan_file):
10675 Update for new scheme.
10676 (check_protection): It's still a multiple include guard even
10677 if it doesn't always trigger.
10678 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
10680 * scan.h: Declare struct cpp_token. Update prototypes.
10682 2000-07-03 Neil Booth <neilb@earthling.net>
10683 Zack Weinberg <zack@wolery.cumb.org>
10685 Complete overhaul of the lexer and macro expander.
10687 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
10688 arg, arglist, argdata, reflist, collect_objlike_expansion,
10689 collect_funlike_expansion, collect_params,
10690 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
10691 unsafe_chars, macarg, compare_defs, special_symbol,
10692 scan_arguments, stringify, funlike_macroexpand,
10693 _cpp_quote_string, monthnames): Delete.
10694 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
10695 _cpp_create_definition, _cpp_dump_definition,
10696 dump_hash_helper): Adjust.
10697 (find_param, count_params, parse_define, var_args_str,
10698 check_macro_redefinition, save_expansion): New.
10700 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
10701 parse_string, output_line_command, trigraph_replace,
10702 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
10703 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
10704 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
10705 _cpp_skip_rest_of_line): Modify.
10707 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
10708 find_position, null_warning, bump_column, expand_name_space,
10709 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
10710 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
10711 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
10712 _cpp_prescan): Delete.
10714 (dump_param_spelling, process_directive, lex_next,
10715 is_macro_disabled, stringify_arg, expand_context_stack,
10716 output_token, make_string_token, alloc_number_token,
10717 special_symbol, duplicate_token, maybe_paste_with_next,
10718 can_paste, prevent_macro_expansion, restore_macro_expansion,
10719 get_temp_token, release_temp_tokens, quote_string,
10720 token_names, token_spellings, _cpp_expand_name_space,
10721 _cpp_glue_header_name, _cpp_reserve_name_space,
10722 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
10723 placemarker_token, eof_token, cpp_context, macro_args,
10724 get_raw_token, parse_arg, parse_args, save_token,
10725 push_arg_context, push_macro_context, pop_context,
10726 do_pop_context, free_macro_args, _cpp_get_line,
10727 _cpp_run_directive): New.
10729 * cpplib.c (validate_else, parse_include, push_conditional,
10730 pass_thru_directive, read_line_number, parse_ifdef,
10731 detect_if_not_defined, _cpp_check_directive, do_define,
10732 do_undef, do_include, do_import, do_include_next, do_error,
10733 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
10734 top_pragmas, do_pragma_gcc, do_pragma_implementation,
10735 do_pragma_poison, do_pragma_system_header,
10736 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
10737 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
10738 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
10739 cpp_defined): Update for new scheme.
10740 (strtoul_for_line, get_define_node, dump_macro_name,
10741 _cpp_check_linemarker, _cpp_parse_assertion): New.
10742 (_cpp_handle_directive, do_pragma_default): Delete.
10744 * cpphash.h (struct predicate): Now struct answer.
10745 (enum spell_type, struct token_spelling, struct directive,
10746 directive_handler): New.
10747 Update prototypes. Remove unused macros.
10748 * cpplib.h: Update prototypes. Remove unused macros,
10749 structure definitions, and fields.
10751 * cpperror.c (print_containing_files, v_message): Adjust.
10752 * cppexp.c (parse_assertion, lex, parse_escape,
10753 _cpp_parse_expr): Adjust.
10754 * cppfiles.c (open_include_file, _cpp_execute_include,
10755 _cpp_compare_file_date, cpp_read_file, read_include_file):
10757 * cppinit.c (dump_special_to_buffer): Delete.
10758 (append_include_chain, merge_include_chains, cpp_reader_init,
10759 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
10760 cpp_finish, handle_option, print_help): Adjust.
10761 * cppmain.c (main): Adjust.
10763 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
10765 * cppspec.c (lang_specific_driver): Use double quotes in error
10768 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
10770 * calls.c (emit_library_call_value_1): Use valreg instead
10771 of hard_libcall_value.
10773 2000-07-03 Geoff Keating <geoffk@cygnus.com>
10775 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
10776 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
10777 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
10785 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
10786 mode instead of wider_mode is being used.
10788 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10790 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
10791 of 'r'. Use q_regs_operand.
10792 (andsi_1+2): Use q_regs_operand.
10794 2000-07-03 Jakub Jelinek <jakub@redhat.com>
10796 * builtins.c (get_memory_rtx): Always put into alias set 0.
10798 2000-07-03 Nick Clifton <nickc@cygnus.com>
10800 * config/arm/arm.md: Fix post increment and pre increment
10801 peepholes so that they do not generate UNPREDICATBLE opcodes.
10802 (ie ones where the increment clobbers the source/destination).
10804 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
10806 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
10807 change too big for -mtiny-stack" a warning, if larger than 63.
10808 (out_set_stack_ptr): Change the logic so -mno-interrupts is
10809 always safe to use on possible future devices.
10810 (function_prologue): Write SPH before SPL, for consistency.
10811 If interrupt_func_p true, we know we have enabled interrupts.
10812 (avr_num_arg_regs): New function. Round up to even number of
10813 bytes if no -mpack-args or if calling a libgcc function.
10814 (function_arg, function_arg_advance): Use it.
10815 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
10816 Output "movw" if available.
10817 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
10818 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
10819 (asm_output_section_name): Add blanks for consistent output.
10820 (encode_section_info): Set TREE_READONLY for progmem data to
10821 avoid gas warnings about changed section attributes.
10822 (avr_hard_regno_mode_ok): Force non-QImode data to start in
10823 even numbered registers on devices with "movw".
10824 * config/avr/avr.h (MASK_*): Define bits for target_flags.
10825 (TARGET_SWITCHES): Mark help strings for translation.
10826 Add new -mpack-args and -menhanced switches.
10827 (TARGET_OPTIONS): Mark help strings for translation.
10828 (progmem_section): Add section attributes.
10829 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
10830 Output "movw" if available.
10831 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
10833 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
10834 call convention (arguments aligned on even registers).
10835 (_cleanup, _exit): Make weak symbols libc can override.
10837 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10839 * fp-bit.h: New file.
10841 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
10842 Comment #endif statements.
10843 (__thenan_sf, __thenan_df): Add missing braces around initializer.
10845 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
10847 * gcse.c (compute_pre_data): Compute ae_kill using other local
10848 properties instead of calling compute_ae_kill.
10850 * alias.c (init_alias_analysis): Do not call
10851 prologue_epilogue_contains until after reload has completed.
10853 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
10855 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
10856 (genrtl_finish_compound_stmt): Likewise.
10857 (genrtl_compound_stmt): Change to return void.
10859 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
10860 move code from here to ...
10861 (genrtl_compound_stmt): ... here.
10862 (genrtl_finish_compound_stmt): Remove.
10863 (expand_stmt): Add comment.
10865 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
10867 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
10870 2000-07-02 Jakub Jelinek <jakub@redhat.com>
10872 * cpplib.h (struct cpp_reader): New field include_depth.
10873 (struct cpp_printer): Rename last_bsd to last_id.
10874 * cppfiles.c (read_include_file): Bump include_depth.
10875 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
10876 (output_line_command): Output correct #line if a header
10877 is including itself and is not protected against multiple inclusion.
10878 Use include_depth instead of buffer_stack_depth, last_id instead of
10880 * cppinit.c (cpp_start_read): Initialize last_id instead of
10883 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
10885 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
10886 (c-semantics.o): New target.
10888 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
10889 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
10890 (genrtl_clear_out_block): Likewise.
10891 (genrtl_goto_stmt): Likewise.
10892 (genrtl_expr_stmt): Likewise.
10893 (genrtl_decl_stmt): Likewise.
10894 (genrtl_if_stmt): Likewise.
10895 (genrtl_while_stmt): Likewise.
10896 (genrtl_do_stmt): Likewise.
10897 (genrtl_return_stmt): Likewise.
10898 (genrtl_for_stmt): Likewise.
10899 (genrtl_break_stmt): Likewise.
10900 (genrtl_continue_stmt): Likewise.
10901 (genrtl_scope_stmt): Likewise.
10902 (genrtl_switch_stmt): Likewise.
10903 (genrtl_case_label): Likewise.
10904 (genrtl_begin_compound_stmt): Likewise.
10905 (gerntl_finish_compound_stmt): Likewise.
10906 (genrtl_compound_stmt): Likewise.
10907 (genrtl_asm_stmt): Likewise.
10908 (genrtl_decl_cleanup): Likewise.
10909 (DECL_ANON_UNION_ELEMS): Likewise.
10910 (emit_local_var): Likewise.
10911 (make_rtl_for_local_static): Likewise.
10912 (expand_cond): Likewise.
10913 (expand_stmt): Likewise.
10914 (c_expand_return): Likewise.
10915 (c_expand_start_case): Likewise.
10916 (do_case): Likewise.
10917 (COMPOUND_STMT_NO_SCOPE): Likewise.
10918 (c_expand_asm_operands): Likewise.
10919 (NEW_FOR_SCOPE_P): New macro.
10920 (expand_expr_stmt_fn): New type.
10922 (set_current_function_name_declared): Likewise.
10923 (current_function_name_declared): Likewise.
10924 (lang_expand_stmt): Likewise.
10925 (stmts_are_full_exprs_p): Likewise.
10926 (anon_aggr_type_p): Likewise.
10927 (lang_expand_expr_stmt): Likewise.
10928 (build_case_label): Likewise.
10930 * c-decl.c (lang_expand_expr_stmt): Initialize.
10931 (stmts_are_full_exprs_p): Define.
10932 (current_function_name_declared): Likewise.
10933 (do_case): Likewise.
10934 (lang_expand_stmt): Likewise.
10935 (set_current_function_name_declared): Likewise.
10936 (anon_aggr_type_p): Likewise.
10938 * c-semantics.c: New file.
10939 (expand_cond): Moved from cp/semantics.c.
10940 (genrtl_do_pushlevel): Likewise.
10941 (genrtl_clear_out_block): Likewise.
10942 (genrtl_goto_stmt): Likewise.
10943 (genrtl_expr_stmt): Likewise.
10944 (genrtl_decl_stmt): Likewise.
10945 (genrtl_if_stmt): Likewise.
10946 (genrtl_while_stmt): Likewise.
10947 (genrtl_do_stmt): Likewise.
10948 (genrtl_return_stmt): Likewise.
10949 (genrtl_for_stmt): Likewise.
10950 (genrtl_break_stmt): Likewise.
10951 (genrtl_continue_stmt): Likewise.
10952 (genrtl_scope_stmt): Likewise.
10953 (genrtl_switch_stmt): Likewise.
10954 (genrtl_case_label): Likewise.
10955 (genrtl_begin_compound_stmt): Likewise.
10956 (genrtl_finish_compound_stmt): Likewise.
10957 (genrtl_compound_stmt): Likewise.
10958 (genrtl_asm_stmt): Likewise.
10959 (genrtl_decl_cleanup): Likewise.
10960 (make_rtl_for_local_static): Moved from cp/decl.c.
10961 (emit_local_var): Likewise.
10962 (expand_stmt): Define.
10964 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
10965 (c_expand_return): Likewise.
10966 (c_expand_start_case): Likewise.
10968 2000-07-01 Richard Henderson <rth@cygnus.com>
10970 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
10971 with the low 13 bits set.
10972 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
10973 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
10974 of the low 13 bits into a CONST plus an adddi3.
10975 (load_symptr): Set RTX_UNCHANGING_P.
10977 See ChangeLog.3 for earlier changes.