gcc/ChangeLog

   1 2002-05-26  Jakub Jelinek  <jakub@redhat.com>
   2
   3         * cse.c (fold_rtx): Don't optimize if SUBREG changes mode class.
   4
   5 2002-05-26  Andreas Jaeger  <aj@suse.de>
   6
   7         * cfg.c (dump_flow_info): Remove extra argument to fprintf.
   8
   9 2002-05-26  Neil Booth  <neil@daikokuya.demon.co.uk>
  10
  11         * cppexp.c (possible_sum_sign, integer_overflow, left_shift,
  12         right_shift): Remove.
  13         (cpp_num, cpp_num_part, PART_PRECISION, HALF_MASK, LOW_PART,
  14         HIGH_PART): New.
  15         (struct op): Use cpp_num.
  16         (num_zerop, num_eq, num_positive, num_greater_freq, num_trim,
  17         num_part_mul, num_unary_op, num_binary_op, num_negate,
  18         num_bitwise_op, num_inequality_op, num_equality_op, num_mul,
  19         num_div_op, num_lshift, num_rshift, append_digit): New.
  20         (interpret_number, parse_defined, eval_token, reduce): Update
  21         for two-integer arithmetic.
  22         (binary_handler): New typedef.
  23         (optab): Update.
  24         (COMPARE, EQUALITY, BITWISE, MINMAX, UNARY, SHIFT): Delete.
  25         (_cpp_parse_expr, reduce): Update to handle two-integers.
  26         * cpplib.c (_cpp_test_assertion): Back up on CPP_EOF.
  27
  28 2002-05-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
  29
  30         * config/avr/avr-protos.h (avr_out_sbxx_branch): Declare.
  31         * config/avr/avr.c (jump_over_one_insn_p): Take length of the
  32         branch insn into account, do not assume 1.
  33         (avr_out_sbxx_branch): New function.  Optimize cases of skipping
  34         over single word insn.  Handle upper half of I/O space too.
  35         * config/avr/avr.md (*sbrx_branch): Use it.
  36         (*sbrx_and_branchhi, *sbrx_and_branchsi): Likewise.
  37         (*sbix_branch, *sbix_branch_bit7): Likewise.
  38         (*sbix_branch_tmp, *sbix_branch_tmp_bit7): New.
  39         Use RTL peepholes to optimize register operand sign tests.
  40
  41 2002-05-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
  42
  43         * config/avr/avr.c (avr_asm_only_p): New variable.
  44         (avr_override_options): Set it here if AVR1.
  45         (asm_file_start): Test it here, report an error if set.
  46
  47 2002-05-26  Kazu Hirata  <kazu@cs.umass.edu>
  48
  49         * alias.c: Fix formatting.
  50         * attribs.c: Likewise.
  51         * bb-reorder.c: Likewise.
  52         * bitmap.c: Likewise.
  53         * bitmap.h: Likewise.
  54         * builtins.c: Likewise.
  55
  56 Sun May 26 14:00:44 CEST 2002  Jan Hubicka  <jh@suse.cz>
  57
  58         * reload.c (find_valid_class): Accept new argument DEST,
  59         choose class accordingly.
  60         (push_reload): Update callers.
  61
  62 2002-05-26  Andreas Jaeger  <aj@suse.de>
  63
  64         * combine.c (combine_instructions): Do not indent #if for
  65         traditional C.
  66
  67 2002-05-25  Richard Henderson  <rth@redhat.com>
  68
  69         * c-pragma.c (apply_pragma_weak): Convert value identifier to
  70         string for decl_attributes.
  71         (handle_pragma_weak): Call assemble_alias if we're modifying
  72         an existing decl.
  73
  74 2002-05-25  Richard Henderson  <rth@redhat.com>
  75
  76         PR target/6788
  77         * config/sparc/sparc.c (sparc_output_mi_thunk): New implementation
  78         using rtl instead of fprintf.
  79         * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Use it.
  80         * config/sparc/sparc-protos.h: Update.
  81
  82 2002-05-25  Neil Booth  <neil@daikokuya.demon.co.uk>
  83
  84         * Makefile.in (C_COMMON_H): Fix.
  85         Update other targets.
  86         * c-common.c: Don't include c-lex.h.
  87         (builtin_define_with_value): Make static and prototype.
  88         (builtin_define_std): Move from c-lex.h.
  89         * c-common.h (init_c_lex): Move from c-lex.h.
  90         * c-decl.c: Don't include c-lex.h.
  91         (make_pointer_declarator): Move from c-parse.in.
  92         * c-lex.c: Don't include c-lex.h.
  93         * c-lex.h: Remove.
  94         * c-parse.in: Don't include c-lex.h; include c-pragma.h.
  95         (make_pointer_declarator): Move to c-decl.c.
  96         * c-pragma.c: Don't include c-lex.h.
  97         * c-pragma.h (yydebug, YYDEBUG, parse_in, c_lex): Move from c-lex.h.
  98         * c-tree.h (make_pointer_declarator): New.
  99 doc:
 100         * passes.texi, tm.texi: Update.
 101 objc:
 102         * Make-lang.in: Update and correct.
 103         * objc-act.c: Don't include c-lex.h or cpplib.h.
 104 treelang:
 105         * treetree.c: Don't include c-lex.h.
 106 config:
 107         * darwin-c.c: Don't include c-lex.h.
 108         * c4x/c4x-c.c: Don't include c-lex.h.
 109         * c4x/t-c4x: Update.
 110         * i370/i370-c.c: Don't include c-lex.h.
 111         * i370/t-i370: Update.
 112         * i960/i960-c.c: Don't include c-lex.h.
 113         * i960/i960.c: Don't include cpplib.h, c-lex.h or c-pragma.h.
 114         * i960/t-960bare: Update.
 115         * i960/t-vxworks: Update.
 116         * rs6000/rs6000-c.c: Don't include c-lex.h; include c-pragma.h.
 117         * rs6000/t-darwin: Update.
 118         * rs6000/t-rs6000-c-rule: Update.
 119         * v850/v850-c.c: Don't include c-lex.h.
 120         * v850/v850.c: Don't include c-lex.h or cpplib.h.
 121
 122
 123 2002-05-25  Kazu Hirata  <kazu@cs.umass.edu>
 124
 125         * tree.def: Fix typos.
 126         * doc/install.texi: Likewise.
 127
 128 2002-05-25  Richard Henderson  <rth@redhat.com>
 129
 130         * configure.in (HAVE_AS_TLS): Add ia64 test.
 131         * configure: Rebuild.
 132         * config/ia64/ia64.c (ia64_tls_size_string, ia64_tls_size): New.
 133         (override_options): Set it.
 134         (TARGET_HAVE_TLS): New.
 135         (sdata_symbolic_operand): Look for 's'.
 136         (tls_symbolic_operand): New.
 137         (ia64_expand_load_address): Abort for tls symbols.
 138         (gen_tls_get_addr): New.
 139         (gen_thread_pointer): New.
 140         (ia64_expand_move): Split out from movdi.  Handle tls symbols.
 141         (rtx_needs_barrier): Add new unspecs.
 142         (ia64_encode_section_info): Handle tls symbols.
 143         (ia64_strip_name_encoding): Strip two encoding chars.
 144         * config/ia64/ia64.h (ia64_tls_size, ia64_tls_size_string): New.
 145         (TARGET_TLS14, TARGET_TLS22, TARGET_TLS64): New.
 146         (TARGET_OPTIONS): Add tls-size.
 147         (ENCODE_SECTION_INFO_CHAR): Rename from SDATA_NAME_FLAG_CHAR.
 148         * config/ia64/ia64.md (UNSPEC_LTOFF_DTPMOD, UNSPEC_LTOFF_DTPREL,
 149         UNSPEC_DTPREL, UNSPEC_LTOFF_TPREL, UNSPEC_TPREL, UNSPEC_LD_BASE): New.
 150         (movqi, movhi, movsi, movdi, movti): Use ia64_expand_move.
 151         (movsf, movdf): Likewise.
 152         (movdi_symbolic): Use match_scratch.  Don't split if we won't
 153         have a scratch availiable.
 154         (load_ltoff_dtpmod, load_dtprel, load_dtprel64, load_dtprel22,
 155         add_dtprel, add_dtprel14, add_dtprel22, load_ltoff_tprel, load_tprel,
 156         load_tprel64, load_tprel22, add_tprel, add_tprel14, add_tprel22): New.
 157         * config/ia64/ia64-protos.h: Update.
 158         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
 159         sdata_symbolic_operand.
 160         (ASM_OUTPUT_LABELREF): Strip two characters.
 161
 162 2002-05-25  Kazu Hirata  <kazu@cs.umass.edu>
 163
 164         * combine.c (simplify_set): Remove an unnecessary subreg.
 165
 166 2002-05-25  Marek Michalkiewicz  <marekm@amelek.gda.pl>
 167
 168         * config/avr/avr.c (avr_handle_progmem_attribute): Handle TYPE_DECL.
 169
 170         * config/avr/avr.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_BSS): New.
 171
 172 2002-05-25  Gabriel Dos Reis  <gdr@codesourcery.com>
 173
 174         * toplev.c (output_clean_symbol_name): Fix another thinko.  Gosh.
 175
 176 2002-05-25  Roger Sayle  <roger@eyesopen.com>
 177
 178         * simplify-rtx.c (simplify_gen_relational): Simplify the RTX
 179         (cond (compare x y) 0) into the equivalent (cond x y).
 180
 181 2002-05-25  Gabriel Dos Reis  <gdr@codesourcery.com>
 182
 183         * toplev.c (output_clean_symbol_name): Use xstrdup.  Fix thinko.
 184
 185 2002-05-24  Zack Weinberg  <zack@codesourcery.com>
 186
 187         * config.gcc: Remove all stanzas for previously obsoleted
 188         systems.  Where necessary, add explicit error stanzas to
 189         prevent removed systems from being misidentified as something
 190         else.  Begin a fresh obsoletions list, with the systems that
 191         were reprieved last round.
 192         * doc/install.texi: Remove all mention of dead targets.
 193         * fixinc/mkfixinc.sh: Likewise.
 194
 195         * config/arm/arm.h: Bit 31 of target_flags is no longer
 196         reserved.
 197
 198         * config/1750a/1750a-protos.h, config/1750a/1750a.c,
 199         config/1750a/1750a.h, config/1750a/1750a.md, config/1750a/ms1750.inc,
 200         config/a29k/a29k-protos.h, config/a29k/a29k.c, config/a29k/a29k.h,
 201         config/a29k/a29k.md, config/a29k/rtems.h, config/a29k/t-a29kbare,
 202         config/a29k/t-vx29k, config/a29k/unix.h, config/a29k/vx29k.h,
 203         config/alpha/osf12.h, config/alpha/osf2or3.h,
 204         config/arm/arm-wince-pe.h, config/arm/arm.h, config/arm/riscix.h,
 205         config/arm/riscix1-1.h, config/arm/rix-gas.h, config/arm/t-riscix,
 206         config/clipper/clipper-protos.h, config/clipper/clipper.c,
 207         config/clipper/clipper.h, config/clipper/clipper.md,
 208         config/clipper/clix.h, config/convex/convex-protos.h,
 209         config/convex/convex.c, config/convex/convex.h,
 210         config/convex/convex.md, config/convex/fixinc.convex,
 211         config/convex/proto.h, config/elxsi/elxsi-protos.h,
 212         config/elxsi/elxsi.c, config/elxsi/elxsi.h, config/elxsi/elxsi.md,
 213         config/i386/386bsd.h, config/i386/aix386.h, config/i386/aix386ng.h,
 214         config/i386/bsd386.h, config/i386/dgux.h, config/i386/djgpp-rtems.h,
 215         config/i386/isc.h, config/i386/iscdbx.h, config/i386/linux-oldld.h,
 216         config/i386/next.h, config/i386/osf1-ci.asm, config/i386/osf1-cn.asm,
 217         config/i386/osf1elf.h, config/i386/osf1elfgdb.h, config/i386/osfelf.h,
 218         config/i386/osfrose.h, config/i386/rtems.h, config/i386/seq-gas.h,
 219         config/i386/seq-sysv3.h, config/i386/seq2-sysv3.h,
 220         config/i386/sequent.h, config/i386/sun.h, config/i386/sun386.h,
 221         config/i386/t-dgux, config/i386/t-next, config/i386/t-osf,
 222         config/i386/t-osf1elf, config/i860/bsd-gas.h, config/i860/bsd.h,
 223         config/i860/fx2800.h, config/i860/i860-protos.h, config/i860/i860.c,
 224         config/i860/i860.h, config/i860/i860.md, config/i860/mach.h,
 225         config/i860/paragon.h, config/i860/sysv3.h, config/i860/sysv4.h,
 226         config/i860/t-fx2800, config/i860/varargs.asm, config/m68k/a-ux.h,
 227         config/m68k/altos3068.h, config/m68k/apollo68.h,
 228         config/m68k/aux-crt1.c, config/m68k/aux-crt2.asm,
 229         config/m68k/aux-crtn.asm, config/m68k/aux-exit.c,
 230         config/m68k/aux-low.gld, config/m68k/aux-mcount.c,
 231         config/m68k/auxas.h, config/m68k/auxgas.h, config/m68k/auxgld.h,
 232         config/m68k/auxld.h, config/m68k/ctix.h, config/m68k/dpx2.h,
 233         config/m68k/dpx2.ifile, config/m68k/dpx2cdbx.h, config/m68k/dpx2g.h,
 234         config/m68k/isi-nfp.h, config/m68k/isi.h, config/m68k/lynx-ng.h,
 235         config/m68k/lynx.h, config/m68k/math-3300.h, config/m68k/news.h,
 236         config/m68k/news3.h, config/m68k/news3gas.h, config/m68k/newsgas.h,
 237         config/m68k/next.h, config/m68k/next21.h, config/m68k/rtems.h,
 238         config/m68k/t-aux, config/m68k/t-lynx, config/m68k/t-next,
 239         config/m68k/x-next, config/m88k/dgux.h, config/m88k/dgux.ld,
 240         config/m88k/dguxbcs.h, config/m88k/dolph.h, config/m88k/dolphin.ld,
 241         config/m88k/luna.h, config/m88k/m88k-coff.h, config/m88k/sysv3.h,
 242         config/m88k/t-bug, config/m88k/t-dgux, config/m88k/t-dgux-gas,
 243         config/m88k/t-dguxbcs, config/m88k/t-dolph, config/m88k/t-m88k-gas,
 244         config/m88k/t-tekXD88, config/m88k/tekXD88.h, config/m88k/tekXD88.ld,
 245         config/mips/bsd-4.h, config/mips/bsd-5.h, config/mips/dec-bsd.h,
 246         config/mips/dec-osf1.h, config/mips/elflorion.h,
 247         config/mips/iris4loser.h, config/mips/mips-5.h, config/mips/news4.h,
 248         config/mips/news5.h, config/mips/nws3250v4.h, config/mips/osfrose.h,
 249         config/mips/svr3-4.h, config/mips/svr3-5.h, config/mips/svr4-4.h,
 250         config/mips/svr4-5.h, config/mips/svr4-t.h, config/mips/t-bsd,
 251         config/mips/t-bsd-gas, config/mips/t-svr3, config/mips/t-svr3-gas,
 252         config/mips/t-svr4, config/mips/t-svr4-gas, config/mips/t-ultrix,
 253         config/mips/ultrix.h, config/nextstep-protos.h, config/nextstep.c,
 254         config/nextstep.h, config/nextstep21.h, config/ns32k/encore.h,
 255         config/ns32k/merlin.h, config/ns32k/pc532-mach.h,
 256         config/ns32k/pc532-min.h, config/ns32k/pc532.h,
 257         config/ns32k/sequent.h, config/ns32k/tek6000.h,
 258         config/ns32k/tek6100.h, config/ns32k/tek6200.h, config/pj/lib1funcs.S,
 259         config/pj/linux.h, config/pj/pj-protos.h, config/pj/pj.c,
 260         config/pj/pj.h, config/pj/pj.md, config/pj/pjl.h, config/pj/t-pj,
 261         config/sparc/rtems.h, config/we32k/we32k-protos.h,
 262         config/we32k/we32k.c, config/we32k/we32k.h, config/we32k/we32k.md:
 263         Delete file.
 264
 265 2002-05-24  Richard Henderson  <rth@redhat.com>
 266
 267         * flags.h (TLS_MODEL_GLOBAL_DYNAMIC): Set to 1.
 268         * toplev.c (flag_tls_default) Set to TLS_MODEL_GLOBAL_DYNAMIC.
 269         * config/i386/i386.c (tls_model_chars): Add leading space.
 270         (tls_symbolic_operand): Don't bias by 1.
 271         (legitimize_address): Don't unbias by 1.
 272
 273 2002-05-24  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
 274
 275         * lcm.c (optimize_mode_switching): Change bb used as indices
 276         to bb->index.
 277
 278 2002-05-24  Richard Henderson  <rth@redhat.com>
 279
 280         * config/ia64/ia64.c (ia64_reorg): Use update_life_info instead
 281         of update_life_info_in_dirty_blocks.
 282
 283 2002-05-24  Jakub Jelinek  <jakub@redhat.com>
 284
 285         PR other/6782
 286         * final.c (get_mem_expr_from_op): Return 0 if op is NULL.
 287
 288 2002-05-24  Neil Booth  <neil@daikokuya.demon.co.uk>
 289
 290         PR preprocessor/6780
 291         * cppmacro.c (enter_macro_context): Clear state.angled_headers.
 292
 293 2002-05-24  Jim Blandy  <jimb@redhat.com>
 294
 295         * dwarf2out.c (dwarf2out_finish): Don't forget to emit a final
 296         entry with a type code of zero, marking the end of the compilation
 297         unit's macro info.
 298
 299 2002-05-24  Richard Henderson  <rth@redhat.com>
 300
 301         * varasm.c (asm_output_bss): Always output one byte.
 302         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
 303
 304 2002-05-24  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>
 305
 306         * tree.c (decl_type_context): Return NULL_TREE if decl's context is a
 307         namespace.
 308
 309 2002-05-24  Andreas Jaeger  <aj@suse.de>
 310
 311         * ggc-page.c (alloc_page): Cast variables of type size_t to
 312         unsigned long, adjust printf format string.
 313         (ggc_alloc): Likewise.
 314         (ggc_print_statistics): Likewise.
 315         (ggc_print_statistics): Correct printf format string for SCALE to
 316         use unsigned long.
 317
 318 2002-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
 319
 320         * config/i386/mingw32.h (CPP_SPEC): Remove -remap.
 321
 322 2002-05-23  Gabriel Dos Reis  <gdr@codesourcery.com>
 323             Zack Weinberg     <zack@codesourcery.com>
 324
 325         * config/i386/mingw32.h (OUTPUT_QUOTED_STRING): Properly output
 326         quoted strings.
 327         * dwarf2out.c (lookup_filename): Properly quote filename in .file
 328         directive in assembly file.
 329         * config/m68k/dpx2.h (ASM_OUTPUT_SOURCE_FILENAME): Likewise.
 330         * config/m88k/m88k.h (ASM_OUTPUT_SOURCE_FILENAME): Likewise.
 331         * config/pj/pj.h (ASM_FILE_START): Likewise.
 332         * config/rs6000/xcoff.h (ASM_FILE_START): Likewise.
 333         * config/avr/avr.c (asm_file_end): Likewise.
 334         * toplev.c (output_quoted_string): Handle possibly signed plain
 335         char.
 336         * toplev.h (output_clean_symbol_name): Declare
 337         * toplev.c (output_clean_symbol_name): Define.
 338         * config/alpha/alpha.c (unicosmk_output_module_name): Use it.
 339         * config/1750a/1750a.h (ASM_FILE_START): Likewise.
 340
 341 2002-05-24  Alan Modra  <amodra@bigpond.net.au>
 342
 343         * config/rs6000/rs6000.c (output_toc): Mask longs to 32 bits.
 344
 345 2002-05-23  Vladimir Makarov  <vmakarov@redhat.com>
 346
 347         * genautomata.c (reserv_sets_hash_value): Use shift equal to 3/4
 348         of size of unsigned.
 349
 350 2002-05-23  Richard Henderson  <rth@redhat.com>
 351
 352         * configure.in (HAVE_AS_TLS): New test.
 353         * config.in, configure: Rebuild.
 354         * config/i386/i386.c (TARGET_HAVE_TLS): Set if HAVE_AS_TLS.
 355         (ix86_tls_dialect_string, ix86_tls_dialect): New.
 356         (override_options): Set it.
 357         (tls_model_chars, tls_symbolic_operand): New.
 358         (tls_symbolic_operand_1, global_dynamic_symbolic_operand): New.
 359         (local_dynamic_symbolic_operand, initial_exec_symbolic_operand): New.
 360         (local_exec_symbolic_operand): New.
 361         (get_pic_label_name): Merge into output_set_got.
 362         (ix86_asm_file_end): Emit pic_label_name if defined.
 363         (legitimate_constant_p, constant_address_p): New.
 364         (legitimate_pic_operand_p): New.
 365         (legitimate_pic_address_disp_p): Handle GOTTPOFF, NTPOFF, DTPOFF.
 366         (legitimate_address_p): Likewise.
 367         (ix86_encode_section_info): Rename from i386_; handle tls decls.
 368         (ix86_strip_name_encoding): New.
 369         (get_thread_pointer): New.
 370         (legitimize_address): Handle tls symbols.
 371         (output_pic_addr_const): Handle GOTTPOFF, TPOFF, NTPOFF, DTPOFF.
 372         Remove UNSPEC_PLT.
 373         (struct machine_function): Add some_ld_name.
 374         (get_some_local_dynamic_name, get_some_local_dynamic_name_1): Set it.
 375         (print_operand) [&]: Use it.  Handle UNSPEC_TP.
 376         (output_addr_const_extra): New.
 377         (maybe_get_pool_constant): New.
 378         (ix86_split_to_parts): Use it.
 379         (ix86_expand_move): Handle tls symbols.
 380         (ix86_tls_get_addr): New.
 381         * config/i386/i386.h (TARGET_GNU_TLS, TARGET_SUN_TLS): New.
 382         (TARGET_OPTIONS): Add tls-dialect.
 383         (CONSTANT_ADDRESS_P): Use new out-of-line function.
 384         (LEGITIMATE_CONSTANT_P): Likewise.
 385         (LEGITIMATE_PIC_OPERAND_P): Likewise.
 386         (TARGET_STRIP_NAME_ENCODING): New.
 387         (ASM_OUTPUT_LABELREF): New.
 388         (PRINT_OPERAND_PUNCT_VALID_P): Add '&'.
 389         (OUTPUT_ADDR_CONST_EXTRA): New.
 390         (PREDICATE_CODES): Update.
 391         (ix86_tls_dialect, ix86_tls_dialect_string): New.
 392         * config/i386/i386.md: Regroup and renumber unspec constants.
 393         (tls_global_dynamic_gnu, tls_global_dynamic_sun): New.
 394         (tls_local_dynamic_base_gnu, tls_local_dynamic_base_sun): New.
 395         (tls_global_dynamic, tls_local_dynamic_base): New.
 396         (tls_local_dynamic_once): New.
 397         * config/i386/i386-protos.h: Update.
 398
 399 2002-05-23  Richard Henderson  <rth@redhat.com>
 400
 401         * genemit.c (gen_insn): Print file:lineno comment before function.
 402         (main): likewise.
 403         * gensupport.c (struct queue_elem): Add filename member.
 404         (queue_pattern): Initialize it; update all callers.
 405         (process_include): Don't free filename.
 406         (read_md_rtx): Set read_rtx_filename.
 407
 408 2002-05-23  Hans Boehm  <Hans_Boehm@hp.com>
 409
 410         * config/ia64/linux.h (IA64_GATE_AREA_END): Adjust for 64K pages.
 411
 412 2002-05-23  Richard Henderson  <rth@redhat.com>
 413
 414         * config/i386/i386.c (output_set_got): Fix typo in pic no-deep case.
 415
 416 2002-05-23  Richard Henderson  <rth@redhat.com>
 417
 418         * doc/extend.texi (C++98 Thread-Local Edits): Update with
 419         commentary from Mark.
 420
 421 2002-05-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 422
 423         * bb-reorder.c (make_reorder_chain, make_reorder_chain_1):
 424         Use FOR_EACH_BB macros to iterate over basic block chain.
 425         * cfg.c (clear_edges, clear_bb_flags, dump_flow_info,
 426         alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges):
 427         Likewise.
 428         * cfganal.c (set_edge_can_fallthru_flag, flow_call_edges_add,
 429         find_unreachable_blocks, create_edge_list, verify_edge_list,
 430         remove_fake_edges, add_noreturn_fake_exit_edges,
 431         flow_preorder_transversal_compute, flow_dfs_compute_reverse_execute):
 432         Likewise.
 433         * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks,
 434         find_sub_basic_blocks): Likewise.
 435         * cfgcleanup.c (try_optimize_cfg, delete_unreachable_blocks):
 436         Likewise.
 437         * cfglayout.c (record_effective_endpoints, cleanup_unconditional_jumps):
 438         Likewise.
 439         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find):
 440         Likewise.
 441         * cfgrtl.c (compute_bb_for_insn, tidy_fallthru_edges,
 442         commit_edge_insertions, commit_edge_insertions_watch_calls,
 443         print_rtl_with_bb, verify_flow_info, purge_all_dead_edges): Likewise.
 444         * combine.c (combine_instructions, reg_dead_at_p): Likewise.
 445         * conflict.c (conflict_graph_compute): Likewise.
 446         * df.c (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1,
 447         df_modified_p, df_refs_unlink, df_dump): Likewise.
 448         * dominance.c (calc_dfs_tree, calculate_dominance_info): Likewise.
 449         * final.c (compute_alignments): Likewise.
 450         * flow.c (update_life_info, update_life_info_in_dirty_blocks,
 451         delete_noop_moves, calculate_global_regs_live, allocate_bb_life_data,
 452         count_or_remove_death_notes): Likewise.
 453         * gcse.c (oprs_unchanged_p, record_last_reg_set_info,
 454         compute_hash_table, compute_kill_rd, compute_rd, compute_ae_kill,
 455         classic_gcse, compute_transp, cprop, compute_pre_data,
 456         compute_transpout, invalidate_nonnull_info,
 457         delete_null_pointer_checks_1, delete_null_pointer_checks,
 458         compute_code_hoist_vbeinout, hoist_code, compute_ld_motion_mems,
 459         compute_store_table, build_store_vectors, store_motion): Likewise.
 460         * global.c (global_conflicts, mark_elimination): Likewise.
 461         * graph.c (print_rtl_graph_with_bb): Likewise.
 462         * haifa-sched.c (sched_init): Likewise.
 463         * ifcvt.c (if_convert): Likewise.
 464         * lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete,
 465         compute_available, compute_nearerout, compute_rev_insert_delete,
 466         optimize_mode_switching): Likewise.
 467         * local-alloc.c (local_alloc, update_equiv_regs): Likewise.
 468         * predict.c (estimate_probability, note_prediction_to_br_prob,
 469         propagate_freq, counts_to_freqs, expensive_function_p,
 470         estimate_bb_frequencies): Likewise.
 471         * profile.c (instrument_edges, get_exec_counts,
 472         compute_branch_probabilities, compute_checksum, branch_prob,
 473         find_spanning_tree): Likewise.
 474         * recog.c (split_all_insns, peephole2_optimize): Likewise.
 475         * reg-stack.c (reg_to_stack, convert_regs_entry, convert_regs):
 476         Likewise.
 477         * regclass.c (scan_one_insn, regclass): Likewise.
 478         * regmove.c (mark_flags_life_zones, regmove_optimize,
 479         record_stack_memrefs): Likewise.
 480         * regrename.c (regrename_optimize, copyprop_hardreg_forward): Likewise.
 481         * reload1.c (reload, reload_combine, fixup_abnormal_edges): Likewise.
 482         * resource.c (find_basic_block): Likewise.
 483         * sched-ebb.c (schedule_ebbs): Likewise.
 484         * sched-rgn.c (is_cfg_nonregular, build_control_flow,
 485         find_single_block_region, find_rgns, schedule_insns)
 486         * sibcall.c (optimize_sibling_and_tail_recursive_call)
 487         * ssa-ccp.c (optimize_unexecutable_edges,
 488         ssa_ccp_df_delete_unreachable_insns): Likewise.
 489         * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
 490         * ssa.c (find_evaluations, compute_dominance_frontiers_1,
 491         rename_block, convert_to_ssa, compute_conservative_reg_partition,
 492         compute_coalesced_reg_partition, rename_equivalent_regs,
 493         convert_from_ssa): Likewise.
 494         * config/ia64/ia64.c (emit_predicate_relation_info, process_epilogue,
 495         process_for_unwind_directive): Likewise.
 496
 497         * df.c (FOR_ALL_BBS): Removed.
 498         * gcse.c (struct null_pointer_info): Type of current_block field
 499         changed.
 500         (struct reg_avail_info): Type of last_bb field changed.
 501         * config/ia64/ia64.c (block_num): Removed.
 502         (need_copy_state): Type changed.
 503         (last_block): New.
 504
 505 2002-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
 506
 507         * cppinit.c (mark_named_operators): Split out from init_builtins.
 508         (cpp_finish_options): Call it from here instead.
 509
 510 2002-05-23  Jason Thorpe  <thorpej@wasabisystems.com>
 511
 512         * builtin-attrs.def: Update copyright years.
 513         (ATTR_NONNULL): New attribute identifier.
 514         (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_3): New
 515         attribute tree lists.
 516         (DEF_FORMAT_ATTRIBUTE): Chain a nonnull attribute for the
 517         format operand.
 518         (ATTR_FORMAT_ARG_1, ATTR_FORMAT_ARG_2): Use...
 519         (DEF_FORMAT_ARG_ATTRIBUTE): ...this to generate format_arg
 520         attribute lists.  Chain the appropriate nonnull attribute.
 521         * c-format.c (check_format_arg): Remove null format string
 522         warning.
 523         * testsuite/gcc.dg/format/null-1.c: New test.
 524
 525 2002-05-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 526
 527         * Makefile.in (ADAC): Define.
 528         (SYSLIBS): Define.
 529         (.SUFFIXES): Move before language makefile fragments.
 530         (STAGE2_FLAGS_TO_PASS): Use stage CC as ADAC.
 531
 532 2002-05-23  Mark Mitchell  <mark@codesourcery.com>
 533
 534         * varasm.c (make_decl_rtl): Don't allow weak variables to be
 535         placed in common.
 536
 537 Thu May 23 19:43:41 CEST 2002  Jan Hubicka  <jh@suse.cz>
 538
 539         * cfg.c (dump_flow_info): Print results of
 540         maybe_hot/probably_never_executed predicates.
 541         * toplev.c (open_dump_file): Print function frequency.
 542
 543 2002-05-23  David S. Miller  <davem@redhat.com>
 544
 545         * cse.c (approx_reg_cost_1, approx_reg_cost): Recode to not use
 546         regsets.
 547
 548 2002-05-23  Jason Thorpe  <thorpej@wasabisystems.com>
 549
 550         * c-common.c (warn_nonnull): Declare.
 551         (c_common_attribute_table): Add "nonnull" attribute.
 552         (handle_nonnull_attribute, check_function_nonnull, nonnull_check_p,
 553         check_nonnull_arg, get_nonnull_operand, check_function_arguments,
 554         check_function_arguments_recurse): New functions.
 555         * c-common.h (warn_nonnull): Declare extern.
 556         (check_function_arguments, check_function_arguments_recurse): New
 557         prototypes.
 558         * c-decl.c (c_decode_option): Add -Wnonnull option.
 559         * c-format.c (set_Wformat): Set warn_nonnull if enabling
 560         format checking.
 561         (format_check_context): New structure.
 562         (check_format_info_recurse): Remove recursion and rename to...
 563         (check_format_arg): ...this.  Update comment.
 564         (check_format_info): Use check_function_arguments_recurse.
 565         * c-typeck.c (build_function_call): Call check_function_arguments
 566         instead of check_function_format.
 567         * doc/extend.texi: Document "nonnull" attribute.
 568         * doc/invoke.texi: Docuemnt -Wnonnull option.
 569         * testsuite/gcc.dg/nonnull-1.c: New test.
 570         * testsuite/gcc.dg/nonnull-2.c: New test.
 571
 572 2002-05-23  David S. Miller  <davem@redhat.com>
 573
 574         * basic-block.h (CLEANUP_NO_INSN_DEL): Define it.
 575         * cfgcleanup.c (cleanup_cfg): If it is set do not
 576         attempt to delete trivially dead insns.
 577         * except.c (finish_eh_generation): Pass it to cleanup_cfg.
 578         * toplev.c (rest_of_compilation): Document non-trivial aspect
 579         the RTL before optimize_save_area_alloca is run.
 580
 581 2002-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
 582
 583         * c-lex.c (indent_level): Remove.
 584         (cb_file_change, c_lex): Remove indent level handling.
 585         * c-lex.h (indent_level): Remove.
 586         * input.h (struct file_stack): Remove indent_level.
 587         * toplev.c (push_srcloc): Remove indent_level handling.
 588
 589 2002-05-23  Jakub Jelinek  <jakub@redhat.com>
 590
 591         PR target/6753
 592         * config/i386/i386.md (sse_movdfcc, sse_movdfcc_eq): Use Y instead
 593         of x in constraints for clarity.
 594         (sse_mov?fcc split): abort if op2 == op3.
 595         (sse_movsfcc_const0_1, sse_movsfcc_const0_2, sse_movsfcc_const0_3,
 596         sse_movsfcc_const0_4): Add earlyclobber.
 597         (sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
 598         sse_movdfcc_const0_4): Likewise.  Use DFmode, not SFmode.
 599         Use Y instead of x in constraints.
 600
 601 2002-05-23  Richard Henderson  <rth@redhat.com>
 602
 603         * doc/extend.texi (C99 Thread-Local Edits): New subsection.
 604         (C++98 Thread-Local Edits): New subsection.
 605
 606         * config/i386/i386.c, config/i386/i386.h: Tidy comments and whitespace.
 607         (ix86_arch): Set type to enum processor_type.
 608
 609         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use
 610         LEGITIMATE_PIC_OPERAND_P not SYMBOLIC_CONST.
 611
 612 2002-05-23  Jakub Jelinek  <jakub@redhat.com>
 613
 614         * configure.in: Fix as version test for binutils 2.12.1 releases
 615         (without dates).
 616         * configure: Rebuilt.
 617
 618 2002-05-23  Richard Henderson  <rth@redhat.com>
 619
 620         * config/i386/i386.c (get_pic_label_name): New.
 621         (load_pic_register): Remove.
 622         (output_set_got): New.
 623         (ix86_expand_prologue): Use gen_set_got; mark insn REG_MAYBE_DEAD.
 624         * config/i386/i386.md (UNSPEC_SET_GOT): New.
 625         (UNSPECV_PROLOGUE_SET_GOT, UNSPECV_PROLOGUE_GET_PC): Remove.
 626         (prologue_set_got, prologue_get_pc): Remove.
 627         (set_got, set_got_nopic, set_got_deep, set_got_nodeep): New.
 628         (builtin_setjmp_receiver): Use gen_set_got.
 629         * config/i386/i386-protos.h: Update.
 630
 631 Thu May 23 09:22:23 CEST 2002  Jan Hubicka  <jh@suse.cz>
 632
 633         * gcse.c (hash_expr): Do not use alias set for hashing.
 634
 635 2002-05-22  Kevin Buettner  <kevinb@redhat.com>
 636
 637         * dbxout.c (dbxout_class_name_qualifiers): New function.
 638         (dbxout_symbol): Output class/struct qualifiers for a .stabs entry.
 639
 640 2002-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
 641
 642         * cpperror.c (_cpp_begin_message): No special casing
 643         of CPP_FATAL_LIMIT.
 644         * cppinit.c (sanity_checks): s/DL_FATAL/DL_ICE/.
 645         (output_deps, cpp_handle_option, cpp_post_options): Use DL_ERROR.
 646         * cpplib.c (do_include_common): Use DL_ERROR.
 647         * cpplib.h (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, DL_FATAL): Remove.
 648         (DL_ICE): Renumber.
 649         * fix-header.c (read_scan_file): Update.
 650
 651 2002-05-22  Richard Henderson  <rth@redhat.com>
 652
 653         * config/i386/i386.c (ix86_expand_call): New function, extracted
 654         from md call patterns.  Add pic_offset_table_rtx to
 655         CALL_INSN_FUNCTION_USAGE when needed.
 656         * config/i386/i386.md (call_pop, call): Use ix86_expand_call.
 657         (call_value_pop, call_value, untyped_call): Likewise.
 658         (call_exp, call_value_exp): Remove.
 659         * config/i386/i386-protos.h: Update.
 660
 661 2002-05-22  Richard Henderson  <rth@redhat.com>
 662
 663         * varasm.c (default_section_type_flags): Check for VAR_DECL
 664         before using DECL_THREAD_LOCAL.
 665
 666 2002-05-22  David Edelsohn  <edelsohn@gnu.org>
 667
 668         * config/rs6000/aix43.h (LINK_SPEC): Add PE initializer.
 669         (STARTFILE_SPEC): Delete PE crt0.o.
 670         * config/rs6000/aix51.h: Same.
 671         * config/rs6000/rs6000.c: Use TARGET_XCOFF, not OBJECT_FORMAT_COFF.
 672         * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Append [DS] to
 673         function descriptor symbol.  Use RS6000_OUTPUT_BASENAME.
 674         (ASM_OUTPUT_DEF_FROM_DECLS): Use RS6000_OUTPUT_BASENAME.
 675         * config/rs6000/xcoff.h (ASM_OUTPUT_DEF): Define.
 676
 677 2002-05-22  Richard Henderson  <rth@redhat.com>
 678
 679         * varasm.c (default_section_type_flags): Handle tls data and
 680         default sections.
 681         (default_unique_section): Handle tls sections.
 682
 683 2002-05-23  Alan Modra  <amodra@bigpond.net.au>
 684
 685         * configure.in (CROSS): Define NATIVE_CROSS.
 686         * configure: Regenerate.
 687         * gcc.c (STARTFILE_PREFIX_SPEC): Define.
 688         (startfile_prefix_spec): New var.
 689         (static_specs): Add startfile_prefix_spec.
 690         (do_spec_2): Split out from..
 691         (do_spec): ..here.
 692         (main): Process startfile_prefix_spec.
 693         * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC) Change name of
 694         dynamic linker.
 695         (STARTFILE_PREFIX_SPEC): Define.
 696         (STARTFILE_LINUX_SPEC, ENDFILE_LINUX_SPEC): Rewrite without
 697         absolute paths.
 698
 699 2002-05-22  Kazu Hirata  <kazu@cs.umass.edu>
 700
 701         * cpperror.c: Fix formatting.
 702         * cppexp.c: Likewise.
 703         * cppfiles.c: Likewise.
 704         * cpphash.c: Likewise.
 705         * cpphash.h: Likewise.
 706         * cppinit.c: Likewise.
 707         * cpplex.c: Likewise.
 708         * cpplib.c: Likewise.
 709         * cppmacro.c: Likewise.
 710         * cppmain.c: Likewise.
 711         * cppspec.c: Likewise.
 712
 713 2002-05-22  Jakub Jelinek  <jakub@redhat.com>
 714
 715         * combine.c (force_to_mode): Use gen_int_mode.
 716         Don't clear CONST_INT bits outside of mode.
 717
 718 2002-05-22  Richard Henderson  <rth@redhat.com>
 719
 720         * fixinc/inclhack.def (thread_keyword): Match __thread as last arg.
 721         * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild.
 722
 723 2002-05-22  Jakub Jelinek  <jakub@redhat.com>
 724
 725         PR c/6643
 726         * emit-rtl.c (widen_memory_access): Only call compare_tree_int
 727         if DECL_SIZE_UNIT is INTEGER_CST.
 728
 729 2002-05-22  Richard Henderson  <rth@redhat.com>
 730
 731         * flow.c (life_analysis): Delete broken reg_label check.
 732
 733 2002-05-22  Richard Henderson  <rth@redhat.com>
 734
 735         * fixinc/inclhack.def (thread_keyword): Allow as any prototype arg.
 736         * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild.
 737
 738 Wed May 22 18:39:57 2002  J"orn Rennecke <joern.rennecke@superh.com>
 739
 740         * t-sh (LIB2FUNCS_EXTRA): Now embed-bb.c.
 741         (embed-bb.c): New rule.
 742         * t-sh64 (LIB2FUNCS_EXTRA): Don't change.
 743         * config/sh/embed_bb.c: Delete.
 744
 745 Wed May 22 18:25:29 2002  J"orn Rennecke <joern.rennecke@superh.com>
 746
 747         * c-common.c (cb_register_builtins): Don't indent '#' of #define.
 748
 749 2002-05-22  Kazu Hirata  <kazu@cs.umass.edu>
 750
 751         * config/h8300/h8300.md (*andorqi3): New.
 752
 753 2002-05-22  Neil Booth  <neil@daikokuya.demon.co.uk>
 754
 755         PR preprocessor/6517
 756         * Makefile.in: Update.
 757         * c-common.c (c_common_post_options): Add preprocessor
 758         errors to the error count.
 759         * c-lang.c (c_post_options): Kill.
 760         (LANG_HOOKS_POST_OPTIONS): Use c_common_post_options.
 761         * hooks.h: Add header guards.
 762         * langhooks-def.h: Include hooks.h.
 763         (LANG_HOOKS_POST_OPTIONS): Update.
 764         * langhooks.h (struct lang_hooks): Update post_options.
 765         * toplev.c (parse_options_and_default_flags): Update.
 766 objc:
 767         * objc-lang.c (objc_post_options): Kill.
 768         (LANG_HOOKS_POST_OPTIONS): Use c_common_post_options.
 769
 770 2002-05-21  Bruce Korb  <bkorb@gnu.org>
 771
 772         * fixinc/tests/base/pthread.h(THREAD_KEYWORD_CHECK): add fix check
 773         * fixinc/inclhack.def(thread_keyword): use c_fix = format.
 774         * fixinc/fixincl.x: regen.
 775
 776 2002-05-21  Kazu Hirata  <kazu@cs.umass.edu>
 777
 778         * cfgbuild.c: Fix formatting.
 779         * cfg.c: Likewise.
 780         * cfgcleanup.c: Likewise.
 781         * cfglayout.c: Likewise.
 782         * cfgloop.c: Likewise.
 783         * cfgrtl.c: Likewise.
 784
 785 2002-05-21  Richard Henderson  <rth@redhat.com>
 786
 787         * c-common.h (enum rid): Add RID_THREAD.
 788         * c-decl.c (start_decl): Do not set DECL_COMMON for tls variables.
 789         (grokdeclarator): Grok __thread.
 790         * c-parse.in (reswords): Add __thread.
 791         (rid_to_yy): Add RID_THREAD.
 792
 793         * tree.h (DECL_THREAD_LOCAL): New.
 794         (struct tree_decl): Add thread_local_flag.
 795         * print-tree.c (print_node): Dump DECL_THREAD_LOCAL.
 796         * tree.c (staticp): TLS variables are not static.
 797
 798         * target-def.h (TARGET_HAVE_TLS): New.
 799         * target.h (have_tls): New.
 800         * output.h (SECTION_TLS): New.
 801         * varasm.c (assemble_variable): TLS variables can't be common for now.
 802         (default_section_type_flags): Handle .tdata and .tbss.
 803         (default_elf_asm_named_section): Handle SECTION_TLS.
 804         (categorize_decl_for_section): Handle DECL_THREAD_LOCAL.
 805
 806         * flags.h (flag_tls_default): Declare.
 807         * toplev.c (flag_tls_default): Define.
 808         (display_help): Display help for it.
 809         (decode_f_option): Set it.
 810
 811         * doc/extend.texi (Thread-Local): New node describing language-level
 812         thread-local storage.
 813         * doc/invoke.texi (-ftls-model): Document.
 814
 815         * fixinc/inclhack.def (thread_keyword): New.
 816         * fixinc/fixincl.x: Rebuild.
 817
 818 2002-05-21  Jeffrey A Law  <law@redhat.com>
 819
 820         * optabs.c (expand_binop): For double-word integer multiplies,
 821         do not compute intermediate results into something that is
 822         not a register (such as a SUBREG or MEM).
 823
 824         * i386.c (ix86_sched_reorder_ppro): Fix typo/thinko.
 825         (ix86_sched_reorder): Make sure to initialize scheduling
 826         data even when there's only one insn in the ready queue.
 827
 828 2002-05-21  Vladimir Makarov  <vmakarov@redhat.com>
 829
 830         * genautomata.c (reserv_sets_hash_value): Fix a typo.
 831
 832 2002-05-21  Vladimir Makarov  <vmakarov@redhat.com>
 833
 834         * genautomata.c (reserv_sets_hash_value): Define hash_value as
 835         set_el_t.  Transform the hash value into unsigned.
 836         (output_cycle_reservs): Fix bug with output of repeated `nothing'.
 837         (transform_3): Add code to process `(A,B)+(D,E)'.
 838
 839 2002-05-21  NIIBE Yutaka  <gniibe@m17n.org>
 840
 841         * reload1.c (do_output_reload): Run delete_output_reload
 842         only if optimizing.
 843
 844 2002-05-21  Roger Sayle  <roger@eyesopen.com>
 845
 846         PR middle-end/6600
 847         * expr.c (STORE_MAX_PIECES): New macro to avoid immediate constants
 848         larger than INTEGER_CST.  (store_by_pieces_1): Use it here...
 849         (can_store_by_pieces): ... and here to limit the largest mode used.
 850         Add a comment to document this function.
 851
 852 2002-05-21  Richard Henderson  <rth@redhat.com>
 853
 854         * flow.c (life_analysis): Fix test for deleted label.
 855
 856 2002-05-21  Neil Booth  <neil@daikokuya.demon.co.uk>
 857
 858         * doc/tm.texi: Fix typo.
 859
 860 2002-05-21  Zack Weinberg  <zack@codesourcery.com>
 861
 862         * c-common.c (c_common_init): Set options->unsigned_char from
 863         flag_signed_char.
 864         (cb_register_builtins): Define __STRICT_ANSI__ and
 865         __CHAR_UNSIGNED__ here...
 866         * cppinit.c (init_builtins): Not here.
 867         (cpp_create_reader): unsigned_char option defaults to 0, not
 868         !DEFAULT_SIGNED_CHAR.
 869         (COMMAND_LINE_OPTIONS, cpp_handle_option): Lose -fsigned-char
 870         and -funsigned-char.
 871
 872         * cpphash.h (struct spec_nodes): Kill n__STRICT_ANSI__.
 873         * cpphash.c (_cpp_init_hashtable): Don't set it.
 874         * cppmacro.c (builtin_macro) [BT_STDC]: Use the language setting
 875         directly.  Clarify comment.
 876
 877 2002-05-21  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 878
 879         * bb-reorder.c (make_reorder_chain_1): Use prev_bb/next_bb to get to
 880         neighbouring basic blocks.  Use ENTRY_BLOCK_PTR->next_bb instead of
 881         BASIC_BLOCK (0).  Use EXIT_BLOCK_PTR->prev_bb instead of
 882         BASIC_BLOCK (n_basic_blocks - 1).
 883         * cfganal.c (can_fallthru, flow_call_edges_add,
 884         flow_preorder_transversal_compute): Too.
 885         * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks,
 886         find_sub_basic_blocks): Too.
 887         * cfgcleanup.c (try_simplify_condjump, try_optimize_cfg): Too.
 888         * cfglayout.c (skip_insns_after_block, fixup_reorder_chain,
 889         fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge): Too.
 890         * cfgrtl.c (tidy_fallthru_edges, verify_flow_info): Too.
 891         * combine.c (this_basic_block): Type changed to basic_block.
 892         (combine_instructions, set_nonzero_bits_and_sign_copies, try_combine,
 893         nonzero_bits, num_sign_bit_copies, get_last_value_validate,
 894         get_last_value, distribute_notes, distribute_links): Too.
 895         * final.c (compute_alignments): Too.
 896         * flow.c (regno_uninitialized, regno_clobbered_at_setjmp): Too.
 897         * function.c (thread_prologue_and_epilogue_insns): Too.
 898         * gcse.c (compute_code_hoist_vbeinout): Too.
 899         * global.c (build_insn_chain): Too.
 900         * ifcvt.c (find_if_block, find_cond_trap): Too.
 901         * predict.c (last_basic_block_p, note_prediction_to_br_prob): Too.
 902         * regmove.c (regmove_optimize): Too.
 903         * resource.c (find_basic_block): Too.
 904         * sched-ebb.c (schedule_ebbs): Too.
 905         * ssa-dce.c (find_control_dependence, find_pdom): Too.
 906
 907 2002-05-21  Andreas Jaeger  <aj@suse.de>
 908
 909         * cppinit.c (sanity_checks): Avoid printf mismatch warnings.
 910
 911 2002-05-21  Richard Henderson  <rth@redhat.com>
 912
 913         * reg-stack.c (swap_rtx_condition, subst_stack_regs_pat): Use
 914         unspec names, not numbers.
 915
 916 2002-05-21  Joseph S. Myers  <jsm28@cam.ac.uk>
 917
 918         * doc/sourcebuild.texi: Mention snapshot-README and
 919         snapshot-index.html as needing updating for new front ends.
 920
 921 2002-05-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 922
 923         * rtl.h (SUBREG_PROMOTED_UNSIGNED_SET): Avoid warnings when
 924         disabling checking, and avoid multiple evaluation of RTX.
 925
 926 2002-05-21  Richard Earnshaw  <rearnsha@arm.com>
 927
 928         * bitmap.c (bitmap_find_bit): Return early if we have the correct
 929         element cached.
 930
 931 Tue May 21 10:51:54 CEST 2002  Jan Hubicka  <jh@suse.cz>
 932
 933         * profile.c (gen_edge_profiler):  Set alias set before the memory is
 934         used.
 935
 936 2002-05-20  David S. Miller  <davem@redhat.com>
 937
 938         * cselib.c (max_value_regs): New.
 939         (cselib_lookup, cselib_invalidate_regno): Initialize it when
 940         adding new entries to the REG_VALUES table and we are dealing with
 941         a hard register.
 942         (clear_table): Initialize it.
 943         (cselib_invalidate_regno): Use it to determine which hard
 944         registers to scan when mode is not VOIDmode.
 945
 946 2002-05-20  Duraid Madina   <duraid@fl.net.au>
 947
 948         * tradcpp.c (fixup_newlines): Use old-style function header.
 949
 950 2002-05-20  Krister Walfridsson  <cato@df.lth.se>
 951
 952         * reload1.c (reload_cse_simplify): Fix typo in rtx code check.
 953
 954 2002-05-20  H.J. Lu  (hjl@gnu.org)
 955
 956         Base on suggestions from Zhang Fuxin <fxzhang@ict.ac.cn>:
 957
 958         * config/mips/mips.h (DFMODE_NAN): Defined.
 959         (SFMODE_NAN): Likewise.
 960
 961 2002-05-20  Dale Johannesen  <dalej@apple.com>
 962
 963         * combine.c (cant_combine_insn_p):  Back out my
 964         previous patch.
 965
 966 2002-05-20  Kazu Hirata  <kazu@cs.umass.edu>
 967
 968         * params.c: Fix formatting.
 969         * params.h: Likewise.
 970         * predict.c: Likewise.
 971         * prefix.c: Likewise.
 972         * print-rtl.c: Likewise.
 973         * print-tree.c: Likewise.
 974         * profile.c: Likewise.
 975
 976 2002-05-20  H.J. Lu  (hjl@gnu.org)
 977
 978         * gcc/config/mips/linux.h (SDB_DEBUGGING_INFO): Undefine.
 979
 980 2002-05-20  Nick Clifton  <nickc@cambridge.redhat.com>
 981
 982         * config/arm/arm-wince-pe.h (ASM_SPEC): Pass -mcpu and -march
 983         switches straight on to the assembler, do not abbreviate them.
 984         * config/arm/elf.h (ASM_SPEC): As above.
 985         * config/arm/semi.h (ASM_SPEC): As above.
 986         * config/arm/unknown-elf-oabi.h (ASM_SPEC): As above.
 987         * config/arm/xscale-coff.h (SUBTARGET_ASM_SPEC): Pass
 988         -mcpu=xscale on to the assembler by default.
 989         * config/arm/xscale-elf.h (SUBTARGET_ASM_SPEC): As above.
 990
 991 2002-05-20  Richard Henderson  <rth@redhat.com>
 992
 993         * cse.c (canon_hash): Reorder do_not_record test.  Always
 994         allow pic_offset_table_rtx.
 995
 996 2002-05-19  Toon Moene  <toon@moene.indiv.nluug.nl>
 997
 998         * optabs.c (expand_cmplxdiv_wide): Use complex_part_zero_p.
 999         (expand_binop): Ditto (3 times).
1000
1001 2002-05-19  Mark Mitchell  <mitchell@doubledemon.codesourcery.com>
1002
1003         * Makefile.in (distclean): Remove QMTest stuff.
1004         (QMTEST_PATH): New variable.
1005         (QMTESTFLAGS): Likewise.
1006         (QMTESTRUNFLAGS): Likewise.
1007         (QMTEST): Likewise.
1008         (QMTEST_GPP_TESTS): Likewise.
1009         (QMTEST_DIR): Likewise.
1010         (QMTEST_DIR/context): New target.
1011         (qmtest-g++): Likeise.
1012         (qmtest-gui): Likewise.
1013         (QMTEST_DIR/gpp-expected.qmr): Likewise.
1014
1015 2002-05-19  Aldy Hernandez  <aldyh@redhat.com>
1016
1017         * config/rs6000/rs6000.h (FUNCTION_VALUE): Only return vectors in
1018         an altivec register if TARGET_ALTIVEC.
1019
1020         * config/rs600/rs6000.c (rs6000_emit_move): Change VECTOR_MODE_P
1021         to ALTIVEC_VECTOR_MODE.
1022         (rs6000_va_arg): Only vectors of type AltiVec are 16 byte aligned.
1023         (rs6000_va_arg): Vectors may go in registers if they are not
1024         altivec vectors.
1025
1026 2002-05-19  Kazu Hirata  <kazu@cs.umass.edu>
1027
1028         * protoize.c: Fix formatting.
1029
1030 2002-05-19  Richard Henderson  <rth@redhat.com>
1031
1032         * gensupport.c (init_include_reader): Merge into ...
1033         (process_include): ... here.  Simplify composite path creation.
1034         Plug memory leaks.  Fix file/line number tracking.  Do not
1035         process_define_cond_exec.  Return void.
1036         (process_rtx): Don't check process_include return value.
1037
1038 2002-05-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1039
1040         * basic_block.h (struct basic_block_def): Added prev_bb and next_bb
1041         fields.
1042         (FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for
1043         traversing basic block chain.
1044         (create_basic_block_structure, create_basic_block): Declaration changed.
1045         (link_block, unlink_block): Declare.
1046         * cfg.c (entry_exit_blocks): Initialize new fields.
1047         (link_block, unlink_block): New.
1048         (expunge_block_nocompact): Unlink basic block.
1049         (dump_flow_info): Print prev_bb/next_bb fields.
1050         * cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Modified.
1051         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Modified.
1052         * cfglayout.c (fixup_reorder_chain, cfg_layout_duplicate_bb): Modified.
1053         * cfgrtl.c (create_basic_block_structure, create_basic_block,
1054         split_block, force_nonfallthru_and_redirect, split_edge): Modified.
1055         (verify_flow_info): Check that list agrees with numbering.
1056
1057 2002-05-19  Neil Booth  <neil@daikokuya.demon.co.uk>
1058
1059         * c-common.c (preprocessing_asm): New macro.
1060         * c-lex.h (builtin_define, builtin_assert): Use pfile.
1061 doc:
1062         * tm.texi: Update.
1063 config/alpha:
1064         * alpha.h (CPLUSPLUS_CPP_SPEC): Remove.
1065         (CPP_SPEC): Simplify.
1066         (TARGET_CPU_CPP_BUILTINS): Update.
1067         * freebsd.h (TARGET_OS_CPP_BUILTINS): New.
1068         (CPP_SPEC): Simplify.
1069         * linux.h (CPLUSPLUS_CPP_SPEC): Remove.
1070         (TARGET_OS_CPP_BUILTINS): Update.
1071         * osf.h (CPP_XFLOAT_SPEC): Kill.
1072         (TARGET_OS_CPP_BUILTINS): Update.
1073         (CPP_SUBTARGET_SPEC, SUBTARGET_EXTRA_SPECS): Simplify.
1074         * osf5.h (CPP_XFLOAT_SPEC): Kill.
1075         * vms.h (CPP_SUBTARGET_SPEC): Kill.
1076         (TARGET_OS_CPP_BUILTINS): Update.
1077
1078 2002-05-19  Richard Henderson  <rth@redhat.com>
1079
1080         * varasm.c (default_binds_local_p): Fix typo.
1081
1082 2002-05-19  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1083
1084         * config/avr/avr.c (machine_dependent_reorg): Sign extend the
1085         CONST_INT operand to the correct mode after adding 1 to it.
1086
1087 2002-05-19  Mark Mitchell  <mark@codesourcery.com>
1088
1089         * config.gcc (powerpc-wrs-windiss*): New target.
1090
1091 2002-05-19  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
1092
1093         * config/rs6000/rs6000.md (ashrdi3_no_power): New.
1094         (ashrdi3): Use it.
1095
1096 2002-05-18  Mark Mitchell  <mark@codesourcery.com>
1097
1098         * configure.in (AC_CHECK_FUNCS): Add checks for scandir and
1099         alphasort.
1100         * config.in: Regenerated.
1101         * configure: Regenerated.
1102
1103 2002-05-19  Richard Henderson  <rth@redhat.com>
1104
1105         * target-def.h (TARGET_BINDS_LOCAL_P): New.
1106         * target.h (struct gcc_target): Move boolean fields to the end.
1107         Add binds_local_p.
1108         * varasm.c (default_binds_local_p): New.
1109         * output.h: Declare it.
1110
1111         * config/alpha/alpha.c (alpha_encode_section_info): Use the new hook.
1112         * config/cris/cris.c (cris_encode_section_info): Likewise.
1113         * config/i386/i386.c (i386_encode_section_info): Likewise.
1114         * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
1115         * config/sh/sh.c (sh_encode_section_info): Likewise.
1116
1117         * doc/tm.texi (TARGET_IN_SMALL_DATA_P): New.
1118         (TARGET_BINDS_LOCAL_P): New.
1119
1120 2002-05-19  Richard Henderson  <rth@redhat.com>
1121
1122         * system.h (BLOCK_PROFILER, BLOCK_PROFILER_CODE,
1123         FUNCTION_BLOCK_PROFILER, FUNCTION_BLOCK_PROFILER_EXIT,
1124         MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Poison.
1125
1126         * toplev.c (display_help): Kill -a -ax help.
1127
1128         * config/1750a/1750a.h, config/alpha/alpha.h,
1129         config/clipper/clipper.h, config/dsp16xx/dsp16xx.h,
1130         config/h8300/h8300.h, config/i960/i960.h, config/m68k/tower-as.h,
1131         config/m88k/m88k.h, config/vax/vax.h, config/we32k/we32k.h:
1132         (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Kill.
1133
1134         * libgcc2.c [L_bb] (BLOCK_PROFILER_CODE): Kill.
1135         * config/m68k/sun3.h (BLOCK_PROFILER_CODE): Kill.
1136
1137         * config/i386/i386-protos.h (ix86_output_block_profiler): Kill.
1138         (ix86_output_function_block_profiler): Kill.
1139         * config/m68hc11/m68hc11.c (m68hc11_block_profiler): Kill.
1140         (m68hc11_function_block_profiler): Kill.
1141         * config/m68hc11/m68hc11-protos.h: Update.
1142         * config/m88k/m88k.c (output_block_profiler): Kill.
1143         (output_function_block_profiler): Kill.
1144         * config/m88k/m88k-protos.h: Update.
1145
1146 2002-05-19  Richard Henderson  <rth@redhat.com>
1147
1148         * system.h (STRIP_NAME_ENCODING): Poison it.
1149         * output.h (STRIP_NAME_ENCODING): Remove.
1150         (default_strip_name_encoding): Declare.
1151         * target-def.h (TARGET_STRIP_NAME_ENCODING): New.
1152         * target.h (strip_name_encoding): New.
1153         * varasm.c (default_strip_name_encoding): New.
1154
1155         * dwarf2asm.c, varasm.c, config/darwin.c, config/darwin.h,
1156         config/alpha/alpha.c, config/arm/pe.c, config/avr/avr.c,
1157         config/cris/cris.c, config/i386/cygwin.h, config/i386/interix.c,
1158         config/i386/winnt.c, config/m32r/m32r.h, config/mcore/mcore-elf.h,
1159         config/mcore/mcore-pe.h, config/mcore/mcore.c, config/mcore/mcore.h,
1160         config/mips/mips.c, config/mn10200/mn10200.h, config/mn10300/mn10300.h,
1161         config/pa/pa.c, config/pa/pa.h, config/pa/som.h,
1162         config/rs6000/rs6000.c, config/rs6000/sysv4.h, config/rs6000/xcoff.h,
1163         config/v850/v850.h: Use the hook, not the macro.
1164
1165         * config/darwin-protos.h, config/darwin.c, config/darwin.h,
1166         config/alpha/alpha.c, config/alpha/alpha.h, config/h8300/h8300.c,
1167         config/h8300/h8300.h, config/i386/cygwin.h, config/i386/i386-interix.h,
1168         config/i386/i386-protos.h, config/i386/win32.h, config/i386/winnt.c,
1169         config/ia64/ia64.c, config/ia64/ia64.h, config/m32r/m32r.c,
1170         config/m32r/m32r.h, config/mcore/mcore.c, config/mcore/mcore.h,
1171         config/pa/pa.c, config/rs6000/rs6000.c, config/rs6000/sysv4.h,
1172         config/rs6000/xcoff.h, config/sh/sh.c, config/sh/sh.h,
1173         config/v850/v850.c, config/v850/v850.h:
1174         Move STRIP_NAME_ENCODING to out-of-line function and add
1175         TARGET_STRIP_NAME_ENCODING.
1176
1177         * config/arm/arm.c, config/arm/arm.h, config/mmix/mmix-protos.h,
1178         config/mmix/mmix.c, config/mmix/mmix.h: Replace STRIP_NAME_ENCODING
1179         with TARGET_STRIP_NAME_ENCODING referencing existing function;
1180         make function static.
1181
1182         * xcoffout.c: Include target.h
1183         * Makefile.in (xcoffout.o): Update.
1184
1185         * config/avr/avr.c (avr_encode_section_info): Correct prototype.
1186         * config/avr/avr.h (STRIP_NAME_ENCODING): Remove.
1187         * config/rs6000/rs6000.c (rs6000_xcoff_unique_section): Mark
1188         reloc argument unused.
1189         * config/sh/sh.c (TARGET_ENCODE_SECTION_INFO): New.
1190
1191         * doc/tm.texi (TARGET_STRIP_NAME_ENCODING): Update from previous
1192         STRIP_NAME_ENCODING docs.
1193
1194 2002-05-19  Andreas Jaeger  <aj@suse.de>
1195
1196         * gengenrtl.c: Add prototype for excluded_rtx.
1197
1198         * real.h: Add prototype for exact_real_truncate.
1199
1200 2002-05-18  Richard Henderson  <rth@redhat.com>
1201
1202         * system.h (ENCODE_SECTION_INFO): Poison it.
1203         * target-def.h (TARGET_ENCODE_SECTION_INFO): New.
1204         * target.h (encode_section_info): New.
1205         * varasm.c (make_decl_rtl, output_constant_def): Use it.
1206         * hooks.c (hook_tree_int_void): New.
1207         * hooks.h: Declare it.
1208
1209         * config/darwin.h, config/alpha/alpha-protos.h, config/alpha/alpha.c,
1210         config/alpha/alpha.h, config/arm/pe.h, config/avr/avr-protos.h,
1211         config/avr/avr.c, config/avr/avr.h, config/c4x/c4x-protos.h,
1212         config/c4x/c4x.c, config/c4x/c4x.h, config/cris/cris-protos.h,
1213         config/cris/cris.c, config/cris/cris.h, config/i386/cygwin.h,
1214         config/i386/win32.h, config/ia64/ia64-protos.h, config/ia64/ia64.c,
1215         config/ia64/ia64.h, config/m32r/m32r-protos.h, config/m32r/m32r.c,
1216         config/m32r/m32r.h, config/m68hc11/m68hc11-protos.h,
1217         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
1218         config/mcore/mcore-protos.h, config/mcore/mcore.c,
1219         config/mcore/mcore.h, config/mmix/mmix-protos.h, config/mmix/mmix.c,
1220         config/mmix/mmix.h, config/rs6000/rs6000-protos.h,
1221         config/rs6000/sysv4.h, config/stormy16/stormy16-protos.h,
1222         config/stormy16/stormy16.c, config/stormy16/stormy16.h:
1223         Replace ENCODE_SECTION_INFO with TARGET_ENCODE_SECTION_INFO
1224         referencing existing function.  Make function static.
1225
1226         * config/a29k/a29k.c, config/a29k/a29k.h, config/arc/arc.c,
1227         config/arc/arc.h, config/arm/arm.c, config/arm/arm.h,
1228         config/h8300/h8300.c, config/h8300/h8300.h, config/i370/i370.c,
1229         config/i370/i370.h, config/i386/i386-interix.h, config/i386/i386.c,
1230         config/i386/i386.h, config/i386/interix.c, config/m88k/m88k.c,
1231         config/m88k/m88k.h, config/mips/mips.c, config/mips/mips.h,
1232         config/ns32k/ns32k.c, config/ns32k/ns32k.h, config/pa/pa.c,
1233         config/pa/pa.h, config/romp/romp.c, config/romp/romp.h,
1234         config/rs6000/linux64.h, config/rs6000/xcoff.h, config/s390/s390.c,
1235         config/s390/s390.h, config/sh/sh.c, config/sh/sh.h,
1236         config/sparc/sparc.c, config/sparc/sparc.h, config/v850/v850.c,
1237         config/v850/v850.h, config/vax/vax.c, config/vax/vms.h,
1238         config/xtensa/xtensa.c, config/xtensa/xtensa.h:
1239         Move ENCODE_SECTION_INFO to out-of-line function and add
1240         TARGET_ENCODE_SECTION_INFO.
1241
1242         * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Use hook, not macro.
1243         (ASM_DECLARE_OBJECT_NAME, ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1244
1245         * config/arm/pe.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Rename
1246         from SUBTARGET_*
1247         (switch_to_section): Replace in_rdata case with in_readonly_data.
1248
1249         * config/h8300/h8300.c (h8300_encode_label): Make static.
1250         * config/h8300/h8300-protos.h: Update.
1251
1252         * config/rs6000/rs6000.c (rs6000_elf_encode_section_info): Rename
1253         from rs6000_encode_section_info; make static.
1254         (rs6000_xcoff_encode_section_info): New.
1255
1256         * config/v850/v850.c (v850_encode_data_area): Make static.
1257         * config/v850/v850-protos.h: Update.
1258
1259         * config/vax/vax.c: Include flags.h.
1260         (vms_select_section): Fix typo.
1261
1262         * doc/tm.texi (TARGET_ENCODE_SECTION_INFO): Update from previous
1263         ENCODE_SECTION_INFO docs.
1264
1265 2002-05-18  Richard Henderson  <rth@redhat.com>
1266
1267         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Rename from
1268         REGISTER_TARGET_PRAGMAS.
1269         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Redefine.
1270
1271         * config.gcc: Do not use rs6000-c.c on powerpc-darwin.
1272
1273 2002-05-18  Richard Henderson  <rth@redhat.com>
1274
1275         * system.h (SELECT_RTX_SECTION): Poison.
1276         * target-def.h (TARGET_ASM_SELECT_RTX_SECTION): New.
1277         * target.h (select_rtx_section): New.
1278         * varasm.c (output_constant_pool): Use it.
1279         (default_select_rtx_section, default_elf_select_rtx_section): New.
1280         * output.h: Declare them.
1281
1282         * config/darwin.h (SELECT_RTX_SECTION): Move ...
1283         * config/darwin.c (machopic_select_rtx_section): ... here.
1284         * config/darwin-protos.h: Update.
1285
1286         * config/nextstep.h (SELECT_RTX_SECTION): Move ...
1287         * config/nextstep.c (machopic_select_rtx_section): ... here.
1288         (nextstep_select_section): Rename variable to avoid macro clash.
1289         * config/nextstep-protos.h: Update.
1290
1291         * config/elfos.h, config/svr3.h, config/arm/aof.h, config/c4x/c4x.h,
1292         config/i386/dgux.h, config/i386/osfrose.h, config/i386/sco5.h,
1293         config/i386/svr3gas.h, config/i860/paragon.h, config/ia64/aix.h,
1294         config/m32r/m32r.h, config/m68k/dpx2.h, config/m68k/lynx.h,
1295         config/m68k/m68k.h, config/m68k/tower-as.h, config/m88k/dgux.h,
1296         config/mcore/mcore-pe.h, config/mips/mips.h, config/mmix/mmix.h,
1297         config/pa/pa-linux.h, config/pa/pa.h, config/romp/romp.h,
1298         config/rs6000/lynx.h, config/rs6000/sysv4.h, config/s390/linux.h,
1299         config/sparc/sysv4.h, config/xtensa/elf.h, config/xtensa/linux.h
1300         (SELECT_RTX_SECTION): Remove.
1301
1302         * config/darwin.h, config/elfos.h, config/nextstep.h,
1303         config/ia64/aix.h, config/ia64/sysv4.h, config/alpha/alpha.c,
1304         config/mips/mips.c, config/romp/romp.c, config/rs6000/sysv4.h,
1305         config/rs6000/xcoff.h, config/s390/s390.c, config/sparc/aout.h,
1306         config/sparc/lynx.h, config/xtensa/xtensa.c
1307         (TARGET_ASM_SELECT_RTX_SECTION): New.
1308
1309         * config/alpha/elf.h (SELECT_RTX_SECTION): Move ...
1310         * config/alpha/alpha.c (alpha_elf_select_rtx_section): ... here.
1311         * config/ia64/sysv4.h (SELECT_RTX_SECTION): Move ...
1312         * config/ia64/ia64.c (ia64_select_rtx_section): ... here.
1313         (ia64_aix_select_rtx_section): New.
1314         * config/mips/iris6.h (READONLY_DATA_SECTION_ASM_OP): Undef before
1315         redefining.
1316         * config/mips/mips.c (mips_select_rtx_section): Make static.
1317         Support ELF SHF_MERGE features.
1318         * config/mips/mips-protos.h: Update.
1319         * config/rs6000/xcoff.h (SELECT_RTX_SECTION): Move ...
1320         * config/rs6000/rs6000.c (rs6000_xcoff_select_rtx_section): ... here.
1321         (rs6000_elf_select_rtx_section): Rename from rs6000_select_rtx_section;
1322         make static, fall back to default_elf_select_rtx_section.
1323         * config/rs6000/rs6000-protos.h: Update.
1324         * config/sparc/sparc.h (SELECT_RTX_SECTION): Move ...
1325         * config/sparc/sparc.c (sparc_aout_select_rtx_section): ... here.
1326         * config/sparc/sunos4.h (on_exit): Declare only if IN_LIBGCC2.
1327         * config/romp/romp.c (romp_select_rtx_section): New.
1328         * config/s390/s390.c (s390_select_rtx_section): New.
1329         * config/xtensa/xtensa.c: Include output.h.  Shuffle local function
1330         declarations before target macro definition.
1331         (xtensa_emit_call): Use static buffer.
1332         (xtensa_select_rtx_section): New.
1333         * config/xtensa/xtensa.h (MAX_INT_TYPE_SIZE): Remove.
1334         (IMPLICIT_FIX_EXPR, EASY_DIV_EXPR): Remove.
1335         (ASM_OUTPUT_POOL_PROLOGUE): Update call to resolve_unique_section.
1336
1337         * doc/tm.texi (TARGET_ASM_SELECT_RTX_SECTION): Update from
1338         SELECT_RTX_SECTION docs.
1339
1340 Sun May 19 00:24:23 CEST 2002  Jan Hubicka  <jh@suse.cz>
1341
1342         * i386.md (movsi/movdi): Fix template.
1343         (sse2 patterns): Set attributes consistently.
1344
1345         * i386.md (pushqi2, ashrqi_*): Fix constraint.
1346
1347 2002-05-18  Toon Moene  <toon@moene.indiv.nluug.nl>
1348
1349         * optabs.c (complex_part_zero_p): New.
1350         * (expand_cmplxdiv_straight): Use it.
1351         * (expand_cmplxdiv_wide): Ditto.
1352         * (expand_binop): Ditto.
1353
1354 2002-05-18  Richard Henderson  <rth@redhat.com>
1355
1356         * final.c (HAVE_READONLY_DATA_SECTION): New.
1357         (shorten_branches): Use it instead of ifdefs.
1358         * varasm.c (enum in_section): Add in_readonly_data.
1359         (text_section, data_section): Tidy.
1360         (readonly_data_section): Use READONLY_DATA_SECTION_ASM_OP if present.
1361
1362         * config/darwin.h, config/nextstep.h, config/h8300/elf.h,
1363         config/i860/paragon.h, config/m68k/dpx2.h, config/m68k/hp320.h
1364         (READONLY_DATA_SECTION): Don't undef.
1365
1366         * config/alpha/unicosmk.h, config/h8300/elf.h, config/i386/aix386ng.h,
1367         config/i860/paragon.h, config/m68k/dpx2.h, config/m68k/hp320.h,
1368         config/rs6000/lynx.h (READONLY_DATA_SECTION_ASM_OP): Undef.
1369
1370         * config/elfos.h, config/svr3.h, config/alpha/alpha-interix.h,
1371         config/alpha/elf.h, config/c4x/c4x.h, config/i386/i386-interix.h,
1372         config/i386/sco5.h, config/i386/svr3gas.h, config/i860/sysv3.h,
1373         config/m88k/m88k.h, config/pa/pa64-hpux.h (USE_CONST_SECTION): Remove.
1374
1375         * config/elfos.h, config/netware.h, config/alpha/alpha-interix.h,
1376         config/alpha/elf.h, config/alpha/vms.h, config/arc/arc.h,
1377         config/arm/coff.h, config/c4x/c4x.h, config/dsp16xx/dsp16xx.h,
1378         config/i386/dgux.h, config/i386/i386-interix.h, config/i386/sco5.h,
1379         config/ia64/hpux.h, config/m32r/m32r.h, config/m68k/tower-as.h,
1380         config/m88k/m88k.h, config/mcore/mcore-pe.h, config/mips/iris6.h,
1381         config/mips/mips.h, config/mmix/mmix.h, config/pa/pa64-hpux.h,
1382         config/sparc/sysv4.h (READONLY_DATA_SECTION_ASM_OP): Rename from
1383         CONST_SECTION_ASM_OP/READONLY_SECTION_ASM_OP/RDATA_SECTION_ASM_OP.
1384
1385         * config/elfos.h, config/netware.h, config/1750a/1750a.h,
1386         config/a29k/a29k.h, config/alpha/alpha-interix.h, config/alpha/alpha.h,
1387         config/arm/coff.h, config/h8300/h8300.h, config/i386/aix386ng.h,
1388         config/i386/i386-interix.h, config/i386/osfrose.h, config/mmix/mmix.h,
1389         config/pa/pa64-hpux.h, config/sparc/litecoff.h
1390         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Remove.
1391
1392         * config/elfos.h, config/netware.h, config/svr3.h,
1393         config/alpha/alpha-interix.h, config/alpha/alpha.h, config/alpha/elf.h,
1394         config/arm/coff.h, config/c4x/c4x.h, config/dsp16xx/dsp16xx.h,
1395         config/h8300/h8300.h, config/i386/i386-interix.h,
1396         config/i386/osfrose.h, config/i386/svr3gas.h, config/mmix/mmix.h,
1397         config/pa/pa64-hpux.h (READONLY_DATA_SECTION): Remove.
1398
1399         * config/elfos.h, config/netware.h, config/svr3.h,
1400         config/alpha/alpha-interix.h, config/alpha/alpha.h, config/alpha/elf.h,
1401         config/c4x/c4x.h, config/i386/aix386ng.h, config/i386/i386-interix.h,
1402         config/i386/sco5.h, config/i386/svr3gas.h, config/mmix/mmix.h,
1403         config/pa/pa64-hpux.h (CONST_SECTION_FUNCTION): Remove.
1404
1405         * config/lynx.h, config/svr3.h, config/alpha/elf.h, config/alpha/vms.h,
1406         config/c4x/c4x.h, config/dsp16xx/dsp16xx.h, config/i386/sco5.h,
1407         config/i386/svr3gas.h, config/i860/sysv3.h, config/i860/sysv4.h,
1408         config/ia64/sysv4.h, config/m32r/m32r.h, config/m88k/m88k.h,
1409         config/mcore/mcore-elf.h, config/mcore/mcore-pe.h, config/mips/elf.h,
1410         config/mips/elf64.h, config/mips/iris6.h, config/mips/linux.h,
1411         config/mips/mips.h, config/mips/rtems64.h, config/mips/vxworks.h,
1412         config/rs6000/sysv4.h, config/v850/v850.h
1413         (EXTRA_SECTIONS): Remove in_const/in_rdata.
1414         (EXTRA_SECTION_FUNCTIONS): Remove accompanying function.
1415
1416         * config/svr3.h, config/c4x/c4x.h, config/i386/dgux.h,
1417         config/i386/sco5.h, config/i386/svr3gas.h, config/ia64/aix.h,
1418         config/m88k/dgux.h, config/mcore/mcore-pe.h, config/mmix/mmix.h,
1419         config/sparc/sysv4.h (SELECT_RTX_SECTION): Use readonly_data_section.
1420         * config/alpha/alpha.c (alpha_start_function): Likewise.
1421         (alpha_write_linkage): Likewise.
1422         * config/m32r/m32r.c (m32r_select_section): Likewise.
1423         * config/m88k/m88k.c (m88k_select_section): Likewise.
1424         * config/mips/mips.c (mips_select_rtx_section): Likewise.
1425         * config/rs6000/rs6000.c (rs6000_select_rtx_section): Likewise.
1426         (rs6000_elf_select_section): Likewise.
1427         * config/v850/v850.c (v850_select_section): Likewise.
1428
1429         * config/1750a/1750a.h, config/i860/sysv3.h
1430         (READONLY_DATA_SECTION_ASM_OP): New.
1431         READONLY_DATA_SECTION_ASM_OP.
1432         * config/i386/interix.c, config/i386/winnt.c
1433         (i386_pe_unique_section): Always use .rdata prefix.
1434         * config/pa/som.h (readonly_data): Always switch to read-only section.
1435         (READONLY_DATA_SECTION): Predicate on flag_pic.
1436         * config/we32k/we32k.h (READONLY_DATA_SECTION): Remove parenthesis.
1437         * doc/tm.texi (READONLY_DATA_SECTION_ASM_OP): New.
1438         (READONLY_DATA_SECTION): Update.
1439
1440 2002-05-18  Jason Thorpe  <thorpej@wasabisystems.com>
1441
1442         * c-common.c (c_common_post_options): Warn if -Wformat-zero-length
1443         is used without -Wformat.
1444         * c-common.h (warn_format_zero_length): Declare extern.
1445         * c-decl.c (warn_options): Add "format-zero-length".
1446         * c-format.c (warn_format_zero_length): Declare.
1447         (set_Wformat): Set warn_format_zero_length for -Wformat.
1448         (check_format_info): Only warn about zero-length formats if
1449         warn_format_zero_length is true.  Include the format type
1450         name in the warning message.
1451         * doc/invoke.texi: Document -Wformat-zero-length.
1452         * testsuite/gcc.dg/format/zero-length-1.c: New test.
1453
1454 2002-05-18  Kazu Hirata  <kazu@cs.umass.edu>
1455
1456         * timevar.c: Fix formatting.
1457         * tlink.c: Likewise.
1458         * toplev.c: Likewise.
1459         * tree-dump.c: Likewise.
1460         * tree-inline.c: Likewise.
1461
1462 2002-05-18  Neil Booth  <neil@daikokuya.demon.co.uk>
1463
1464         * cppinit.c (cpp_post_options): If preprocessed, turn off
1465         traditional.  If traditional, turn off column numbers.
1466         * cpplib.c (cpp_push_buffer): Lex from stage 3 if traditional.
1467         * cpptrad.c (handle_newline): Update line_base.
1468         (skip_comment): Handle -Wcomment.
1469
1470 2002-05-17  Zack Weinberg  <zack@codesourcery.com>
1471
1472         * cppinit.c (struct builtin): Remove unused fields.
1473         (CPLUS, BUILTIN, OPERATOR, O, builtin_array_end): Kill.
1474         (operator_array): New - was second half of builtin_array.
1475         (init_builtins): Simplify loop over builtin_array/operator_array.
1476
1477 2002-05-18  Neil Booth  <neil@daikokuya.demon.co.uk>
1478
1479         * defaults.h (UNIQUE_SECTION): Remove.
1480         * system.h (UNIQUE_SECTION, SELECT_SECTION): Poison.
1481
1482 2002-05-17  Richard Henderson  <rth@redhat.com>
1483
1484         * expr.c (init_expr_once): Don't use start/end_sequence.
1485         Use rtx_alloc instead of emit_insn.
1486         * toplev.c (lang_dependent_init): Run init_expr_once here ...
1487         (lang_independent_init): ... not here.
1488
1489 2002-05-17  Jason Thorpe  <thorpej@wasabisystems.com>
1490
1491         * config/sh/lib1funcs.asm (GLOBAL): Use __USER_LABEL_PREFIX__.
1492
1493 2002-05-17  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1494
1495         * config/avr/avr.c (avr_regs_to_save): New function.  Also check
1496         for fixed registers, possibly used for global register variables.
1497         (initial_elimination_offset, avr_output_function_prologue,
1498         avr_output_function_epilogue):  Move common code to avr_regs_to_save.
1499
1500 2002-05-17  Neil Booth  <neil@daikokuya.demon.co.uk>
1501
1502         * Makefile.in: Update for cpptrad.c.
1503         * cpphash.h (struct cpp_buffer): New members for buffer
1504         overlays.
1505         (struct cpp_reader): New members for traditional output.
1506         (_cpp_read_logical_line, _cpp_overlay_buffer): New.
1507         * cppinit.c (cpp_create_reader): Set trad_line.
1508         (cpp_destroy): Free trad_out_base if used.
1509         (cpp_read_main_file): Overlay an empty buffer if traditional.
1510         (cpp_finish_options): Don't do builtins.
1511         (COMMAND_LINE_OPTIONS): Add -traditional-cpp.
1512         (cpp_handle_option): Handle it.
1513         * cpplex.c (continue_after_nul): New.
1514         (_cpp_lex_direct): Use handle_nul.
1515         * cpplib.h (struct cpp_options): New traditional option.
1516         * cpptrad.c: New file.
1517
1518 2002-05-17  Neil Booth  <neil@daikokuya.demon.co.uk>
1519
1520         * c-common.c (c_common_init_options): Use C89 for Objective-C,
1521         and set the options flag.
1522         * cppinit.c (lang_flags): Remove objc.
1523         (lang_defaults): Remove OBJC and OBJCXX.
1524         (set_lang): Update.
1525         (COMMAND_LINE_OPTIONS): Remove -+ and -lang-objc++.
1526         (cpp_handle_option): Remove -+ and -lang-objc++.
1527         For ObjC, just set a flag.
1528         (print_help): Update.
1529         * cpplib.h (enum c_lang): Remove CLK_OBJC and CLK_OBJCXX.
1530
1531 2002-05-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1532
1533         * doc/install.texi (Specific, mips-sgi-irix6): Document need to
1534         bootstrap with -mips3.
1535
1536 2002-05-17  Kazu Hirata  <kazu@cs.umass.edu>
1537
1538         * final.c: Fix formatting.
1539         * fix-header.c: Likewise.
1540         * flow.c: Likewise.
1541         * fold-const.c: Likewise.
1542         * function.c: Likewise.
1543
1544 2002-05-17  David S. Miller  <davem@redhat.com>
1545
1546         PR c/6689, PR optimization/6615
1547         * local-alloc.c (struct equivalence): Rename 'src' to 'src_p'
1548         and make it a pointer to rtx.  Update comments.
1549         (update_equiv_regs): When scanning for equivalences, record
1550         address of SET_SRC (set) in reg_equiv[].src_p.  Dereference
1551         it while making the equiv replacements.
1552
1553 2002-05-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1554
1555         * config/sparc/sparc.c (sparc_aout_select_section): Fixed typo.
1556
1557 2002-05-17  kaz Kojima  <kkojima@rr.iij4u.or.jp>
1558
1559         * config/sh/sh.h (ENCODE_SECTION_INFO): Consider MODULE_LOCAL_P
1560         when encoding visibility into SYMBOL_REF_FLAG.
1561
1562 2002-05-17  Richard Sandiford  <rsandifo@redhat.com>
1563
1564         * expr.c (force_operand): Fix reversed move.
1565
1566 2002-05-17  Kurt Wall <kwall@kurtwerks.com>
1567
1568         * doc/install.texi (Testing): Mention two common DejaGnu warnings
1569         that can be ignored.
1570
1571 2002-05-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
1572
1573         * doc/install.texi (Final install): Recommend to install into a
1574         "clean" target directory.
1575
1576 2002-05-17  Richard Henderson  <rth@redhat.com>
1577
1578         * config/ia64/ia64.md: Use braced strings instead of quoted strings
1579         for code blocks.  Tidy whitespace.
1580
1581 2002-05-17  Richard Henderson  <rth@redhat.com>
1582
1583         * hooks.c (hook_tree_bool_false): New.
1584         * hooks.h: Declare it.
1585         * target-def.h (TARGET_ASM_SELECT_SECTION): New.
1586         (TARGET_ASM_UNIQUE_SECTION, TARGET_IN_SMALL_DATA_P): New.
1587         * target.h (select_section, unique_section): New.
1588         (in_small_data_p): New.
1589         * varasm.c (resolve_unique_section): Use hooks instead of macros.
1590         (variable_section, output_constant_def_contents): Likewise.
1591         (default_select_section, default_unique_section): New.
1592         (categorize_decl_for_section, default_elf_select_section): New.
1593         * output.h: Declare them.
1594
1595         * config/darwin.h (ALIAS_SECTION, try_section_alias): Remove.
1596         (TARGET_ASM_SELECT_SECTION): New.
1597         (SELECT_SECTION): Move ...
1598         * config/darwin.c (machopic_select_section): ... here.
1599         * config/darwin-protos.h: Update.
1600
1601         * config/nextstep.h (TARGET_ASM_SELECT_SECTION): New.
1602         (SELECT_SECTION): Move ...
1603         * config/nextstep.c (nextstep_select_section): ... here.
1604         * config/nextstep-protos.h: Update.
1605
1606         * config/elfos.h (UNIQUE_SECTION, SELECT_SECTION): Remove.
1607         (TARGET_ASM_SELECT_SECTION): New.
1608         * config/svr3.h (SELECT_SECTION): Remove.
1609
1610         * config/alpha/alpha.c (unicosmk_unique_section): Make static.
1611         (TARGET_ASM_UNIQUE_SECTION) [UNICOS]: New.
1612         (TARGET_IN_SMALL_DATA_P, alpha_in_small_data_p): New.
1613         (alpha_encode_section_info): Use it.
1614         * config/alpha/alpha-protos.h: Update.
1615         * config/alpha/elf.h (DO_SELECT_SECTION): Remove.
1616         (SELECT_SECTION, UNIQUE_SECTION): Remove.
1617         (TARGET_ASM_SELECT_SECTION): New.
1618         * config/alpha/unicosmk.h (UNIQUE_SECTION): Remove.
1619
1620         * config/arm/pe.h (UNIQUE_SECTION): Remove.
1621         (TARGET_ASM_UNIQUE_SECTION): New.
1622
1623         * config/avr/avr.c (TARGET_ASM_UNIQUE_SECTION): New.
1624         (avr_unique_section): Rename from unique_section; make static.
1625         * config/avr/avr-protos.h: Update.
1626         * config/avr/avr.h (UNIQUE_SECTION): Remove.
1627
1628         * config/c4x/c4x.h (SELECT_SECTION): Remove.
1629
1630         * config/i386/cygwin.h (UNIQUE_SECTION): Remove.
1631         (TARGET_ASM_UNIQUE_SECTION): New.
1632         * config/i386/i386-interix.h: Likewise.
1633         * config/i386/win32.h: Likewise.
1634         * config/i386/djgpp.h (UNIQUE_SECTION): Remove.
1635         * config/i386/i386.c (ix86_asm_file_end): Use target hook not macro.
1636         * config/i386/sco5.h (SELECT_SECTION): Remove.
1637         (TARGET_ASM_SELECT_SECTION): New.
1638         * config/i386/svr3gas.h (SELECT_SECTION): Remove.
1639
1640         * config/i860/paragon.h: Undef TARGET_ASM_SELECT_SECTION
1641         instead of SELECT_SECTION.
1642         * config/m68k/dpx2.h: Likewise.
1643         * config/rs6000/lynx.h: Likewise.
1644
1645         * config/ia64/aix.h (SELECT_SECTION, UNIQUE_SECTION): Remove.
1646         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): New.
1647         * config/ia64/ia64.c (TARGET_IN_SMALL_DATA_P): New.
1648         (ia64_in_small_data_p): New.
1649         (ia64_encode_section_info): Use it.  Reorganize overlarge conditional.
1650         (ia64_aix_select_section, ia64_aix_unique_section): New.
1651         * config/ia64/sysv4.h (DO_SELECT_SECTION): Remove.
1652         (SELECT_SECTION, UNIQUE_SECTION): Remove.
1653
1654         * config/m32r/m32r.h (SELECT_SECTION): Remove.
1655         (TARGET_ASM_SELECT_SECTION): New.
1656         * config/m32r/m32r.c (m32r_select_section): Take align argument.
1657         * config/m32r/m32r-protos.h: Update.
1658
1659         * config/m88k/m88k.h (TARGET_ASM_SELECT_SECTION): New.
1660         (SELECT_SECTION): Move ...
1661         * config/m88k/m88k.c (m88k_select_section): ... here.
1662
1663         * config/mcore/mcore-pe.h (SELECT_SECTION): Remove.
1664         * config/mcore/mcore.h (UNIQUE_SECTION): Remove.
1665         * config/mcore/mcore.c (TARGET_ASM_UNIQUE_SECTION): New.
1666         (mcore_unique_section): Make static.
1667         * config/mcore/mcore-protos.h: Update.
1668
1669         * config/mips/elf.h (UNIQUE_SECTION): Remove.
1670         (TARGET_ASM_UNIQUE_SECTION): New.
1671         * config/mips/elf64.h: Likewise.
1672         * config/mips/iris6gld.h: Likewise.
1673         * config/mips/linux.h: Likewise.
1674         * config/mips/mips-protos.h: Update.
1675         * config/mips/mips.c (mips_select_section): Add align argument.
1676         * config/mips/mips.h (SELECT_SECTION): Remove.
1677         (TARGET_ASM_SELECT_SECTION): New.
1678
1679         * config/mmix/mmix.h (SELECT_SECTION, UNIQUE_SECTION): Remove.
1680         * config/mmix/mmix.c (mmix_select_section): Remove.
1681         (mmix_unique_section): Remove.
1682         * config/mmix/mmix-protos.h: Update.
1683
1684         * config/pa/pa.h (TARGET_ASM_SELECT_SECTION): New.
1685         (SELECT_SECTION): Move ...
1686         * config/pa/pa.c (pa_select_section): ... here.
1687         * config/pa/pa64-hpux.h (UNIQUE_SECTION): Remove.
1688
1689         * config/rs6000/rs6000.c (rs6000_elf_select_section): Rename
1690         from rs6000_select_section and make static.
1691         (rs6000_elf_unique_section): Similarly.
1692         (rs6000_xcoff_select_section): From xcoff.h.
1693         (rs6000_xcoff_unique_section): Likewise.
1694         * config/rs6000/rs6000-protos.h: Update.
1695         * config/rs6000/sysv4.h (SELECT_SECTION, UNIQUE_SECTION): Remove.
1696         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): New.
1697         * config/rs6000/xcoff.h: Likewise.
1698
1699         * config/sparc/aout.h (TARGET_ASM_SELECT_SECTION): New.
1700         (SELECT_SECTION): Move ...
1701         * config/sparc/sparc.c (sparc_aout_select_section): ... here.
1702
1703         * config/v850/v850.h (SELECT_SECTION): Move ...
1704         * config/v850/v850.c (v850_select_section): ... here.
1705         (TARGET_ASM_SELECT_SECTION): New.
1706
1707         * config/vax/vms.h (SELECT_SECTION): Move ...
1708         * config/vax/vax.c (vms_select_section): ... here.
1709         (TARGET_ASM_SELECT_SECTION): New.
1710
1711         * doc/tm.texi: Update SELECT_SECTION and UNIQUE_SECTION docs
1712         for the target hooks.
1713
1714 2002-05-17  Nick Clifton  <nickc@cambridge.redhat.com>
1715
1716         * config/arm/arm.c (emit_multi_reg_push): Do not set
1717         RTX_FRAME_RELATED_P on the SEQUENCE.
1718
1719 2002-05-16  Richard Henderson  <rth@redhat.com>
1720
1721         * config/ia64/ia64.c (ia64_reorg): Rebuild bb_for_insn before
1722         splitting.  Use split_all_insns; update_life_info_in_dirty_blocks.
1723
1724 2002-05-16  Richard Henderson  <rth@redhat.com>
1725
1726         * config/alpha/unicosmk.h (TARGET_OS_CPP_BUILTINS): Fix typo.
1727
1728         * config/ia64/ia64.c (saveable_obstack): Do not declare.
1729
1730 2002-05-16  Richard Henderson  <rth@redhat.com>
1731
1732         * basic-block.h, bb-reorder.c, cfg.c, cfganal.c, cfgbuild.c,
1733         cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c, combine.c,
1734         conflict.c, df.c, df.h, dominance.c, final.c, flow.c, function.c,
1735         gcse.c, global.c, graph.c, haifa-sched.c, ifcvt.c, lcm.c,
1736         local-alloc.c, loop.c, predict.c, print-rtl.c, profile.c,
1737         recog.c, reg-stack.c, regclass.c, regmove.c, regrename.c,
1738         reload1.c, reorg.c, resource.c, sbitmap.c, sched-deps.c,
1739         sched-ebb.c, sched-rgn.c, sibcall.c, ssa-ccp.c, ssa-dce.c, ssa.c:
1740         Revert "Basic block renumbering removal", and two followup patches.
1741
1742 2002-05-16  Jason Thorpe  <thorpej@wasabisystems.com>
1743
1744         * lcm.c (optimize_mode_switching): Revert previous change.
1745
1746 2002-05-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1747
1748         * sched-rgn.c (schedule_insns): Initialize large_region_blocks
1749         with only extant block numbers.
1750
1751 2002-05-16  Jason Thorpe  <thorpej@wasabisystems.com>
1752
1753         * lcm.c (optimize_mode_switching): Fix typo.
1754
1755 2002-05-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1756
1757         * flow.c (calculate_global_regs_live): Queue blocks in program order.
1758
1759 2002-05-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1760
1761         * doc/install.texi (Configuration): Document PWDCMD.
1762
1763 2002-05-16  Dale Johannesen  <dalej@apple.com>
1764
1765         * combine.c (cant_combine_insn_p):  Reenable combinations
1766         involving hard regs unless CLASS_LIKELY_SPILLED_P.
1767
1768 2002-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>
1769
1770         * c-common.c (cb_register_builtins): Handle more built-ins
1771         here rather than in gcc.c specs.
1772         * gcc.c (cpp_unique_options): Move many built-ins to c-common.c.
1773         (cpp_options): Pass -O flags even when only preprocessing.
1774         * toplev.c (set_fast_math_flags): New prototype.
1775         (fast_math_flags_set_p): New.
1776         (set_no_fast_math_flags): Remove.
1777         (decode_f_option): Update.
1778         * toplev.h (set_fast_math_flags): Update.
1779         (fast_math_flags_set_p): New.
1780         (set_no_fast_math_flags): Remove.
1781 config:
1782         * c4x/c4x.c (c4x_override_options): Update.
1783
1784 2002-05-16  Zack Weinberg  <zack@codesourcery.com>
1785
1786         * c-common.c (STDC_0_IN_SYSTEM_HEADERS, REGISTER_PREFIX):
1787         Default-define here.
1788         (builtin_define_with_value): Can now wrap the expansion in
1789         quotation marks if such is wanted.
1790         (cb_register_builtins): Update calls to builtin_define_with_value.
1791         Define __REGISTER_PREFIX__, __USER_LABEL_PREFIX__, and __VERSION__
1792         here.
1793         (c_common_init): Set options->stdc_0_in_system_headers.
1794         * c-lex.h: Update prototype of builtin_define_with_value.
1795         * cppdefault.h: Remove default definitions of USER_LABEL_PREFIX
1796         and REGISTER_PREFIX.
1797
1798         * cppinit.c (VERS, ULP, C, X): Kill.
1799         (builtin_array): Remove entries for __VERSION__,
1800         __USER_LABEL_PREFIX__, __REGISTER_PREFIX__, and
1801         __HAVE_BUILTIN_SETJMP__.  Make __STDC__ always a builtin, not
1802         a constant.
1803         (init_builtins): Kill off a bunch of now-dead code.
1804         (COMMAND_LINE_OPTIONS): Remove -fleading-underscore and
1805         -fno-leading-underscore.
1806         (cpp_handle_option): Remove code to set user_label_prefix.
1807         (cpp_post_options): Likewise.
1808
1809         * cpplib.h (struct cpp_options): Remove user_label_prefix.
1810         (stdc_0_in_system_headers): New.
1811         * cppmacro.c (builtin_macro): Check CPP_OPTION (pfile,
1812         stdc_0_in_system_headers) too to decide the value of __STDC__.
1813
1814         * tradcpp.c (user_label_prefix): Kill.
1815         (main): Remove code handling -f(no-)leading-underscore.
1816         (initialize_builtins): Don't define __REGISTER_PREFIX__
1817         or __USER_LABEL_PREFIX__.
1818         (install_value): Wrap compound statement in dummy loop so the
1819         macro works properly in an if statement.
1820
1821
1822 2002-05-16  Janis Johnson  <janis187@us.ibm.com>
1823
1824         * loop.h (struct loop_info): Add member has_prefetch.
1825         * loop.c (PREFETCH_CONDITIONAL): Change default to 1.
1826         (prescan_loop): Initialize has_prefetch.
1827         (struct prefetch_info): Change prefetch_in_loop and
1828         prefetch_before_loop from bit fields to ints.
1829         (emit_prefetch_instructions): Several small fixes.
1830         (check_dbra_loop): Don't reverse loop that uses prefetch.
1831
1832 2002-05-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1833
1834         * Makefile.in: Allow for PWDCMD to override hardcoded pwd.
1835         * configure.in: Likewise.
1836         * fixinc/check.tpl: Likewise.
1837         * fixinc/fixinc.dgux: Likewise.
1838         * fixinc/fixinc.svr4: Likewise.
1839         * fixinc/fixinc.winnt: Likewise.
1840         * fixinc/fixincl.sh: Likewise.
1841         * fixproto: Likewise.
1842         * configure: Regenerate.
1843
1844 2002-05-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1845
1846         Basic block renumbering removal:
1847         * basic_block.h (struct basic_block_def): Renamed index to sindex,
1848         added prev_bb and next_bb fields.
1849         (n_basic_blocks): Renamed to num_basic_blocks.
1850         (last_basic_block): New, index of last basic block.
1851         (FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for
1852         traversing basic block chain.
1853         (BLOCK_NUM): index -> sindex.
1854         (create_basic_block_structure, create_basic_block): Declaration changed.
1855         (debug_num2bb): Declare.
1856         (expunge_block_nocompact): Declaration removed.
1857         (link_block, unlink_block, compact_blocks): Declare.
1858         * bb-reorder.c (make_reorder_chain, make_reorder_chain_1): Modified.
1859         * cfg.c (entry_exit_blocks): Initialize new fields.
1860         (clear_edges, alloc_block, expunge_block, cached_make_edge,
1861         redirect_edge_pred, dump_flow_info, dump_edge_info,
1862         alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges,
1863         free_aux_for_edges): Modified.
1864         (link_block, unlink_block, compact_blocks, debug_num2bb): New.
1865         (expunge_block_nocompact): Removed.
1866         * cfganal.c (can_fallthru, mark_dfs_back_edges, flow_call_edges_add,
1867         find_unreachable_blocks, create_edge_list, print_edge_list,
1868         verify_edge_list, flow_edge_list_print, remove_fake_successors,
1869         remove_fake_edges, flow_reverse_top_sort_order_compute,
1870         flow_depth_first_order_compute, flow_preorder_transversal_compute,
1871         flow_dfs_compute_reverse_init, flow_dfs_compute_reverse_add_bb,
1872         flow_dfs_compute_reverse_execute): Modified.
1873         * cfgbuild.c (make_edges, make_eh_edge, find_basic_blocks_1,
1874         find_basic_blocks, find_many_sub_basic_blocks, find_sub_basic_blocks):
1875         Modified.
1876         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1877         merge_blocks_move_predecessor_nojumps,
1878         merge_blocks_move_successor_nojumps, merge_blocks,
1879         outgoing_edges_match, try_crossjump_to_edge, try_crossjump_bb,
1880         try_optimize_cfg, delete_unreachable_blocks, cleanup_cfg): Modified.
1881         * cfglayout.c (skip_insns_after_block, label_for_bb,
1882         record_effective_endpoints, scope_to_insns_finalize,
1883         fixup_reorder_chain, verify_insn_chain, cleanup_unconditional_jumps,
1884         fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge,
1885         cfg_layout_duplicate_bb): Modified.
1886         * cfgloop.c (flow_loops_cfg_dump, flow_loop_dump, flow_loops_dump,
1887         flow_loop_entry_edges_find, flow_loop_exit_edges_find,
1888         flow_loop_nodes_find, flow_loop_pre_header_find, flow_loop_scan,
1889         flow_loops_find, flow_loop_outside_edge_p): Modified.
1890         * cfgrtl.c (create_basic_block_structure, create_basic_block,
1891         flow_delete_block, compute_bb_for_insn, split_block,
1892         try_redirect_by_replacing_jump, redirect_edge_and_branch,
1893         force_nonfallthru_and_redirect, tidy_fallthru_edge,
1894         back_edge_of_syntactic_loop_p, split_edge, commit_one_edge_insertion,
1895         commit_edge_insertions, commit_edge_insertions_watch_calls,
1896         dump_bb, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
1897         purge_all_dead_edges): Modified.
1898         * combine.c (combine_instructions, set_nonzero_bits_and_sign_copies,
1899         try_combine, nonzero_bits, num_sign_bit_copies, get_last_value_validate,
1900         get_last_value, reg_dead_at_p, distribute_notes, distribute_links):
1901         Modified.
1902         * conflict.c (conflict_graph_compute): Modified.
1903         * df.c (FOR_ALL_BBS): Removed.
1904         (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1,
1905         df_modified_p, df_analyse, df_refs_unlink, df_insn_modify,
1906         df_dump, hybrid_search_bitmap, iterative_dataflow_sbitmap): Modified.
1907         * df.h (DF_BB_INFO, DF_REF_BBNO): Modified.
1908         * dominance.c (init_dom_info, calc_dfs_tree_nonrec, calc_dfs_tree,
1909         calc_idoms, idoms_to_doms, calculate_dominance_info): Modified.
1910         * final.c (compute_alignments, final_scan_insn): Modified.
1911         * flow.c (verify_local_live_at_start, update_life_info,
1912         update_life_info_in_dirty_blocks, free_basic_block_vars,
1913         delete_noop_moves, calculate_global_regs_live,
1914         initialize_uninitialized_subregs, allocate_bb_life_data,
1915         regno_uninitialized, regno_clobbered_at_setjmp, mark_set_1,
1916         mark_used_reg, count_or_remove_death_notes): Modified.
1917         * function.c (thread_prologue_and_epilogue_insns): Modified.
1918         * gcse.c (struct null_pointer_info): Change typo of current_block
1919         to basic_block.
1920         (gcse_main, alloc_gcse_mem, compute_local_properties, compute_sets,
1921         oprs_unchanged_p, load_killed_in_block_p, record_last_reg_set_info,
1922         compute_hash_table, alloc_rd_mem, handle_rd_kill_set, compute_kill_rd,
1923         alloc_avail_expr_mem, expr_killed_p, compute_ae_kill,
1924         expr_reaches_here_p_work, expr_reaches_here_p, handle_avail_expr,
1925         classic_gcse, one_classic_gcse_pass, compute_transp, cprop,
1926         one_cprop_pass, compute_pre_data, pre_expr_reaches_here_p_work,
1927         pre_expr_reaches_here_p, insert_insn_end_bb, pre_edge_insert,
1928         pre_delete, one_pre_gcse_pass, compute_transpout,
1929         invalidate_nonnull_info, delete_null_pointer_checks_1,
1930         free_code_hoist_mem, compute_code_hoist_vbeinout,
1931         hoist_expr_reaches_here_p, hoist_code, one_code_hoisting_pass,
1932         compute_ld_motion_mems, store_ops_ok, find_moveable_store,
1933         compute_store_table, build_store_vectors, insert_insn_start_bb,
1934         insert_store, replace_store_insn, free_store_memory, store_motion):
1935         Modified.
1936         * global.c (global_alloc, global_conflicts, mark_elimination,
1937         build_insn_chain): Modified.
1938         * graph.c (print_rtl_graph_with_bb): Modified.
1939         * haifa-sched.c (sched_init): Modified.
1940         * ifcvt.c (SET_ORIG_INDEX, ORIG_INDEX): Removed.
1941         (find_if_block, find_cond_trap, find_if_case_1, find_if_case_2,
1942         if_convert): Modified.
1943         * lcm.c (compute_antinout_edge, compute_earliest, compute_laterin,
1944         compute_insert_delete, pre_edge_lcm, compute_available,
1945         compute_farthest, compute_nearerout, compute_rev_insert_delete,
1946         pre_edge_rev_lcm, make_preds_opaque, optimize_mode_switching):
1947         Modified.
1948         * local-alloc.c (alloc_qty, local_alloc, update_equiv_regs): Modified.
1949         * loop.c (loop_dump_aux): Modified.
1950         * predict.c (combine_predictions_for_insn, estimate_probability,
1951         last_basic_block_p, process_note_prediction, process_note_predictions,
1952         note_prediction_to_br_prob, propagate_freq, counts_to_freqs,
1953         expensive_function_p, estimate_bb_frequencies,
1954         compute_function_frequency): Modified.
1955         * print-rtl.c (print_rtx): Modified.
1956         * profile.c (GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX, instrument_edges,
1957         get_exec_counts, compute_branch_probabilities, compute_checksum,
1958         branch_prob, find_spanning_tree): Modified.
1959         * recog.c (split_all_insns, peephole2_optimize): Modified.
1960         * reg-stack.c (reg_to_stack, convert_regs_entry, compensate_edge,
1961         convert_regs_1, convert_regs_2, convert_regs): Modified.
1962         * regclass.c (scan_one_insn, regclass): Modified.
1963         * regmove.c (mark_flags_life_zones, regmove_optimize,
1964         combine_stack_adjustments): Modified.
1965         * regrename.c (regrename_optimize, copyprop_hardreg_forward): Modified.
1966         * reload1.c (reload, reload_combine, copy_eh_notes): Modified.
1967         * reorg.c (dbr_schedule): Modified.
1968         * resource.c (find_basic_block, init_resource_info): Modified.
1969         * sbitmap.c (sbitmap_intersection_of_succs,
1970         sbitmap_intersection_of_preds, sbitmap_union_of_succs,
1971         sbitmap_union_of_preds): Modified.
1972         * sched-deps.c (init_dependency_caches): Modified.
1973         * sched-ebb.c (schedule_ebbs): Modified.
1974         * sched-rgn.c (is_cfg_nonregular, build_control_flow, debug_regions,
1975         find_rgns, compute_trg_info, init_regions, schedule_insns): Modified.
1976         * sibcall.c (optimize_sibling_and_tail_recursive_call): Modified.
1977         * ssa-ccp.c (examine_flow_edges, optimize_unexecutable_edges,
1978         ssa_ccp_substitute_constants, ssa_ccp_df_delete_unreachable_insns,
1979         ssa_const_prop): Modified.
1980         * ssa-dce.c (set_control_dependent_block_to_edge_map_,
1981         find_control_dependence, find_pdom, ssa_eliminate_dead_code): Modified.
1982         * ssa.c (remove_phi_alternative, find_evaluations,
1983         compute_dominance_frontiers_1, compute_iterated_dominance_frontiers,
1984         insert_phi_node, rename_block, convert_to_ssa, eliminate_phi,
1985         make_regs_equivalent_over_bad_edges,
1986         make_equivalent_phi_alternatives_equival,
1987         compute_conservative_reg_partition,
1988         coalesce_regs_in_successor_phi_nodes, compute_coalesced_reg_partition,
1989         rename_equivalent_regs, convert_from_ssa, for_each_successor_phi):
1990         Modified.
1991
1992 2002-05-16  Mark Mitchell  <mark@codesourcery.com>
1993
1994         * cfgrtl.c (purge_dead_edges): Correct handling of EDGE_EH.
1995
1996 2002-05-16  Nick Clifton  <nickc@cambridge.redhat.com>
1997
1998         * config/arm/arm.c (arm_rtx_costs): Check for RTX being a
1999         SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P.
2000         (arm_adjust_cost): Check for RTX being a SYMBOL_REF before
2001         calling CONSTANT_POOL_ADDRESS_P.
2002         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Fix typo in code
2003         to decide whether to define __arm__ or __thumb.
2004         (THUMB_GO_IF_LEGITIMATE_ADDRESS): Check for RTX being a
2005         SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P.
2006
2007 2002-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>
2008
2009         * config/arc/arc.h (CPP_PREDEFINES): Remove.
2010         (CPP_SPEC): Update.
2011         (TARGET_CPU_CPP_BUILTINS): New.
2012
2013 2002-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>
2014
2015         * cpphash.h (cpp_macro): Move here, and make expansion a union.
2016         * cppmacro.c (cpp_macro): Remove.
2017         (enter_macro_context, replace_args, warn_of_redefinition,
2018         _cpp_create_definition, cpp_macro_definition): Update.
2019
2020 2002-05-16  Jason Merrill  <jason@redhat.com>
2021
2022         * config/mips/mips.c (mips_output_external): Don't do sdata
2023         optimization for a variable with DECL_COMDAT set.
2024
2025 2002-05-15  Aldy Hernandez  <aldyh@redhat.com>
2026
2027         * config/rs6000/altivec.h: Cleanups for tighter typechecking.
2028         Cleanups for accepting modifiers on pointers.
2029         Fix predicate typos.
2030         Allow long pointers as well as int pointers.
2031
2032 2002-05-15  Richard Henderson  <rth@redhat.com>
2033
2034         * varasm.c (merge_weak): Remove special case for extern and common.
2035
2036 2002-05-15  Matt Hiller  <hiller@redhat.com>
2037
2038         * testsuite/gcc.c-torture/compile/20000804-1.x: Don't return 1 if
2039         XFAILing.
2040         * testsuite/gcc.c-torture/compile/20001226-1.x: Ditto.
2041         * testsuite/gcc.c-torture/compile/920520-1.x: Ditto.
2042         * testsuite/gcc.c-torture/compile/mipscop-1.x: XFAIL for now.
2043         * testsuite/gcc.c-torture/compile/mipscop-2.x: Ditto.
2044         * testsuite/gcc.c-torture/compile/mipscop-3.x: Ditto.
2045         * testsuite/gcc.c-torture/compile/mipscop-4.x: Ditto.
2046
2047 2002-05-15  Aldy Hernandez  <aldyh@redhat.com>
2048
2049         * reload1.c (forget_old_reloads_1): Do not use subreg offset.
2050
2051 2002-05-15  Aldy Hernandez  <aldyh@redhat.com>
2052
2053         * config/rs6000/rs6000.md ("altivec_mtvscr"): Set VSCR register.
2054         ("altivec_mfvscr"): Read from VSCR.
2055
2056         Add vscr sets for the following insns: altivec_vctuxs,
2057         altivec_vaddubs, altivec_vaddsbs, altivec_vadduhs,
2058         altivec_vaddshs, altivec_vadduws, altivec_vaddsws, altivec_vctsxs,
2059         altivec_vmhaddshs, altivec_vmhraddshs, altivec_vmsumuhs,
2060         altivec_vmsumshs, altivec_vpkuhss, altivec_vpkshss,
2061         altivec_vpkuwss, altivec_vpkswss, altivec_vpkuhus,
2062         altivec_vpkshus, altivec_vpkuwus, altivec_vpkswus,
2063         altivec_vsububs, altivec_vsubsbs, altivec_vsubuhs,
2064         altivec_vsubshs, altivec_vsubuws, altivec_vsubsws,
2065         altivec_vsum4ubs, altivec_vsum4sbs, altivec_vsum4shs,
2066         altivec_vsum2sws, altivec_vsumsws.
2067
2068         * config/rs6000/rs6000.h: Add VSCR fixed register.
2069         (CALL_REALLY_USED_REGISTERS): Add vscr.
2070         (CALL_USED_REGISTERS): Same.
2071         (FIXED_REGISTERS): Same.
2072         (REG_ALLOC_ORDER): Same.
2073         (reg_class): Add VSCR_REGS.
2074         (REG_CLASS_NAMES): Same.
2075         (REG_CLASS_CONTENTS): Same.
2076         (VSCR_REGNO): New.
2077         (REGISTER_NAMES): Add vscr.
2078         (DEBUG_REGISTER_NAMES): Same.
2079         (ADDITIONAL_REGISTER_NAMES): Same.
2080         (FIRST_PSEUDO_REGISTER): Increment.
2081         (CONDITIONAL_REGISTER_USAGE): Set VSCR as a global register.
2082
2083 2002-05-15  Jakub Jelinek  <jakub@redhat.com>
2084
2085         * fold-const.c (fold): Fix a typo.
2086
2087 2002-05-15  Eric Botcazou  <ebotcazou@multimania.com>
2088
2089         * fold-const.c (fold) [LT_EXPR]: Move the transformation of a
2090         comparison against the highest or lowest integer value before
2091         the 'X >= CST to X > (CST - 1)' and 'X < CST to X <= (CST - 1)'
2092         transformation and that of an unsigned comparison against 0
2093         right after.
2094
2095 2002-05-15  Richard Henderson  <rth@redhat.com>
2096
2097         * varasm.c (merge_weak): Error for any weakening after definition.
2098         Adjust weakening after use warning to catch more cases.
2099         (assemble_alias): Set TREE_USED and TREE_ASM_WRITTEN consistently.
2100         * config/alpha/alpha.c (alpha_encode_section_info): Do not abort.
2101
2102 Wed May 15 10:38:27 CEST 2002  Jan Hubicka  <jh@suse.cz>
2103
2104         * invoke.texi (-malign-double): Re-add lost warning.
2105
2106         * i386-protos.h (x86_output_mi_thunk): Declare.
2107         * unix.h (ASM_OUTPUT_MI_THUNK): Move offline to ...
2108         * i386.c (x86_output_mi_thunk): ... here; handle 64bits.
2109
2110         * dwarf2out.c (output_call_frame_info): Do not skip unwind info
2111         when flag_asynchronous_unwind_tables is set.
2112
2113         * flags.h (flag_reorder_functions): Declare.
2114         * function.c (prepare_function_start): Initialize frequnecy.
2115         * params.def (HOT_BB_COUNT_FRACTION, HOT_BB_FREQUENCY_FRACTION): New.
2116         * Makefile.in (predict.o): Add dependency on target.h and params.h
2117         * defaults.h (HOT_TEXT_SECTION_NAME,
2118         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): New macros.
2119         * predict.c (choose_function_section): New function.
2120         (estimate_bb_frequencies): Use it.
2121         * toplev.c (flag_reorder_functions): New global variable.
2122         (lang_independent_options): New.
2123         (parse_options_and_default_flags): Set.
2124         * varasm.c (assemble_start_function): Bypass functdion alignment
2125         for never executed functions.
2126         * invoke.texi (-freorder-blocks, -freorder-functions): Document.
2127         (param hot-bb-count-fraction, hot-bb-frequency-fraction): New.
2128         * tm.texi (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
2129         Document.
2130
2131         Thu Jan  3 21:52:09 CET 2002  Jan Hubicka  <jh@suse.cz>
2132
2133         * predict.c: Inlude profile.h
2134         (MIN_COUNT): Rename to MIN_COUNT_FRACTION
2135         (maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p):
2136         Use the information about maximal counter in the program.
2137
2138         Thu Dec 20 22:14:00 CET 2001  Jan Hubicka  <jh@suse.cz>
2139
2140         * basic-block.h (maybe_hot_bb_p, probably_cold_bb_p,
2141         probably_never_executed_bb_p): New functions.
2142         * cfgcleanup.c (outgoing_edges_match): Use them.
2143         * predict.c (MIN_COUNT, MIN_FREQUENCY): New macros.
2144         (maybe_hot_bb_p, probably_cold_bb_p,
2145         probably_never_executed_bb_p): New functions.
2146
2147         * function.h (function): Add new field function_frequency.
2148         * predict.c (compute_function_frequency): New function.
2149         (estimate_probability): Call it.
2150
2151 2002-03-09  Jakub Jelinek  <jakub@redhat.com>
2152
2153         PR optimization/5172, optimization/5200
2154         * gcse.c (gcse_main): Disable store_motion.
2155
2156 2002-05-14  Zack Weinberg  <zack@codesourcery.com>
2157
2158         * c-parse.in (MODIFIED_WCHAR_TYPE): New macro.
2159         (c_common_nodes_and_builtins): Use it.
2160         (builtin_define_with_value): New function.
2161         (cb_register_builtins): Define __SIZE_TYPE__,
2162         __PTRDIFF_TYPE__, __WCHAR_TYPE__, and __WINT_TYPE__ here,
2163         using builtin_define_with_value.  Use consistent notation when
2164         defining __GXX_WEAK__.
2165         (WCHAR_TYPE_SIZE): Don't redefine.
2166         (combine_strings): Don't use WCHAR_TYPE_SIZE.
2167
2168         * cppdefault.h: Don't provide defaults for SIZE_TYPE,
2169         PTRDIFF_TYPE, WCHAR_TYPE, or WINT_TYPE.
2170         * cppinit.c (builtin_array): Remove entries for __SIZE_TYPE__ etc.
2171         * tradcpp.c (initialize_builtins): Likewise.
2172         * gcc.c (cpp_unique_options): Don't muck with __WCHAR_TYPE__.
2173
2174         * c-lex.h (builtin_define_with_value): Prototype.
2175         * system.h: Poison NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_WCHAR_TYPE,
2176         NO_BUILTIN_PTRDIFF_TYPE, and NO_BUILTIN_WINT_TYPE.
2177         * doc/tm.texi: Remove mention of NO_BUILTIN_SIZE_TYPE etc.
2178
2179         * config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
2180         config/ia64/ia64.h, config/mips/dec-osf1.h, config/mips/iris6.h,
2181         config/mips/linux.h, config/mips/mips.h, config/mips/netbsd.h,
2182         config/mips/osfrose.h, config/mips/sni-svr4.h, config/rs6000/aix51.h,
2183         config/s390/linux.h, config/sh/sh.h, config/sh/sh64.h,
2184         config/sparc/linux64.h, config/sparc/netbsd-elf.h,
2185         config/sparc/sol2-bi.h, config/sparc/sparc.h:
2186         Do not define NO_BUILTIN_SIZE_TYPE etc.  Remove all references
2187         to __SIZE_TYPE__ etc from all spec strings. When this makes
2188         extra specs empty, delete them.
2189
2190 2002-05-14  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2191
2192         * pa.c (override_options): Override TARGET_JUMP_IN_DELAY when scheduling
2193         for PA8000 or generating dwarf2 call frame information.
2194         (output_call): Remove DO_FRAME_NOTES check from return pointer
2195         optimization.
2196         (following_call): Return 0 when scheduling for PA8000 or generating
2197         dwarf2 call frame information.  Revise comment.
2198
2199 2002-05-14  Neil Booth  <neil@daikokuya.demon.co.uk>
2200
2201 config/alpha:
2202         * alpha.h (TARGET_CPU_CPP_BUILTINS): Define __IEEE_FP
2203         and __IEEE_FP_INEXACT as appropriate.
2204         (CPLUSPLUS_CPP_SPEC): Don't define __cplusplus.
2205         (CPP_SPEC): Remove ieee defines.
2206         * freebsd.h, netbsd.h: Remove ieee defines and cpp_cpu.
2207
2208 2002-05-14  Richard Henderson  <rth@redhat.com>
2209
2210         * config/i386/i386.c (ix86_save_reg): Make regno unsigned.
2211         (ix86_safe_length, ix86_safe_length_prefix, ix86_safe_memory): Kill.
2212
2213 2002-05-14  Neil Booth  <neil@daikokuya.demon.co.uk>
2214
2215         * arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define.
2216         (CPP_SPEC): Update.
2217         (CPP_APCS_PC_SPEC, CPP_APCS_PC_DEFAULT_SPEC,
2218         CPP_FLOAT_SPEC, CPP_FLOAT_DEFAULT_SPEC, CPP_ENDIAN_SPEC,
2219         CPP_ENDIAN_DEFAULT_SPEC, CPP_INTERWORK_DEFAULT_SPEC,
2220         CPP_INTERWORK_SPEC, CPP_PREDEFINES): Remove.
2221         (EXTRA_SPECS): Update.
2222         * arm/conix-elf.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
2223         arm/riscix1-1.h, arm/rtems-elf.h, arm/semiaof.h, arm/unknown-elf.h,
2224         arm/unknown-elf-oabi.h, arm/vxarm.h: Remove CPP_PREDEFINES and
2225         define TARGET_OS_CPP_BUILTINS if necessary.
2226
2227 2002-05-14  Neil Booth  <neil@daikokuya.demon.co.uk>
2228
2229         * gcc.c (cpp_options): Must pass -m* and -f* options
2230         to the front end even when only preprocessing.
2231         (cc1_options): Remove redundant -lang-c.
2232         * tradcpp.c (main): Ignore -m options.
2233 objc:
2234         * lang-specs.h: Similarly.
2235
2236 2002-05-14  Vladimir Makarov  <vmakarov@redhat.com>
2237
2238         * genautomata.c (transform_3): Add code for transformation
2239         `(A,B,...)+C -> A+C,B,...'.
2240
2241 Tue May 14 12:48:22 CEST 2002  Jan Hubicka  <jh@suse.cz>
2242
2243         * final.c (end_final): Do not output profile_arcs constructor, when
2244         no functions are instrumented.
2245
2246 Tue May 14 12:38:30 CEST 2002  Jan Hubicka  <jh@suse.cz>
2247
2248         * i386.md (testsi to testqi_zext_1 splitter): Fix typo.
2249
2250 2002-05-14  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2251
2252         * doc/install.texi: Remove special markup originally required for
2253         HTML generation with texi2html.
2254
2255 2002-05-14  Andreas Schwab  <schwab@suse.de>
2256
2257         * config/ia64/sysv4.h (DO_SELECT_SECTION): Factored out of
2258         SELECT_SECTION.
2259         (UNIQUE_SECTION): Define to get small data correctly.
2260
2261         * varasm.c (resolve_unique_section): Add third parameter
2262         flag_function_or_data_sections and use it instead of
2263         flag_function_sections.
2264         (assemble_start_function): Pass flag_function_sections.
2265         (asm_emit_uninitialised): Pass flag_data_sections.
2266         (assemble_variable): Likewise.
2267
2268 2002-05-14  Richard Henderson  <rth@redhat.com>
2269
2270         * config/i386/i386.md: Use define_constants for unspec numbers.
2271         * config/i386/i386.c: Likewise.
2272
2273 2002-05-13  Neil Booth  <neil@daikokuya.demon.co.uk>
2274
2275         * doc/contrib.texi: Update my entry.
2276
2277 2002-05-13  Mark Mitchell  <mark@codesourcery.com>
2278
2279         * fixinc/inclhack.def (winidss_valist): Limit applicability.
2280         * fixinc/fixincl.x: Regenerated.
2281         * fixinc/tests/base/math.h: Update.
2282         * fixinc/tests/base/testing.h: Likewise.
2283
2284 2002-05-13  Zack Weinberg  <zack@codesourcery.com>
2285
2286         * genattr.c (gen_attr): Don't emit a comma after the last
2287         enumerator.
2288
2289 2002-05-13  Richard Henderson  <rth@redhat.com>
2290
2291         * cfgrtl.c (purge_dead_edges): Handle abnormal call edges created
2292         by non-local gotos.
2293         * recog.c (peephole2_optimize): Likewise.
2294
2295 2002-05-13  Andris Pavenis  <pavenis@lanet.lv>
2296
2297         * cppfiles.c (open_file): Change mode (DJGPP only) of redirected
2298         input to O_BINARY.
2299
2300 2002-05-13  Jeffrey A Law  (law@redhat.com)
2301
2302         * flow.c (invalidate_mems_from_autoinc): Rewrite to use for_each_rtx.
2303         Update prototype and callers.
2304         (propagate_one_insn): Stack pointer adjustments kill MEMs on
2305         the mem_set_list which reference the stack pointer, as do
2306         calls to constant functions as they may clobber outgoing
2307         argument space.
2308
2309         * i386.c (ia32_multipass_dfa_lookahead): Prototype.
2310
2311         * i386.c (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Define.
2312         (ia32_multipass_dfa_lookahead): New function.
2313
2314 2002-05-13  Neil Booth  <neil@daikokuya.demon.co.uk>
2315
2316         * gcc.c (SWITCH_TAKES_ARG): Remove 'V'.
2317         (translate_options): Remove 'V'.
2318         (process_command): Similarly.
2319 doc:
2320         * invoke.texi: Remove documentation of 'V'.
2321
2322 2002-05-13  Ulrich Weigand  <uweigand@de.ibm.com>
2323
2324         * config/s390/linux.h: Revert 2002-04-22 changes.
2325
2326 2002-05-13  Scott Marks <SMarks@mobile-mind.com>
2327
2328         * config/fr30/fr30.md: Only allow splits of immediate loads
2329         if the destination is a register.
2330
2331 2002-05-13  Neil Booth  <neil@daikokuya.demon.co.uk>
2332
2333         * Makefile.in (c-common.o, cppinit.o): Update.
2334         * c-common.c: Include except.h.
2335         (cb_register_builtins): Handle __USING_SJLJ_EXCEPTIONS__.
2336         Call TARGET_CPU_CPP_BUILTINS and TARGET_OS_CPP_BUILTINS.
2337         * cppinit.c (__USING_SJLJ_EXCEPTIONS): Not here.
2338         * defaults.h (TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS,
2339         CPP_PREDEFINES): Handle here.
2340 config:
2341         * alpha/alpha-interix.h, alpha/gnu.h, alpha/linux.h,
2342         alpha/netbsd.h, alpha/openbsd.h, alpha/osf.h, alpha/unicosmk.h,
2343         alpha/vms.h, alpha/vxworks.h: Remove CPP_PREDEFINES, define
2344         TARGET_OS_CPP_BUILTINS.
2345         * alpha/alpha.h (TARGET_CPU_CPP_BUILTINS): Define.
2346         (CPP_SPEC, EXTRA_SPECS): Update.
2347         (CPP_AM_BWX_SPEC, CPP_AM_MAX_SPEC, CPP_AM_FIX_SPEC,
2348         CPP_AM_CIX_SPEC, CPP_IM_EV4_SPEC, CPP_IM_EV5_SPEC,
2349         CPP_IM_EV6_SPEC, CPP_CPU_EV4_SPEC, CPP_CPU_EV5_SPEC,
2350         CPP_CPU_EV56_SPEC, CPP_CPU_PCA56_SPEC, CPP_CPU_EV6_SPEC,
2351         CPP_CPU_EV67_SPEC, CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Remove.
2352 doc:
2353         * tm.texi (TARGET_REGISTER_CPP_BUILTINS): Remove.
2354         (TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS): Define.
2355
2356 2002-05-12  Zack Weinberg  <zack@codesourcery.com>
2357
2358         * emit-rtl.c (global_rtl): Update comment.
2359         (const_double_htab, const_double_htab_hash,
2360         const_double_htab_hash, lookup_const_double): New.
2361         (const_int_htab_hash, const_int_htab_eq): Remove const
2362         qualifiers, which cause tons of warnings with RTL checking on.
2363         (gen_rtx_CONST_DOUBLE): Deleted.
2364         (const_double_from_real_value): New function - bears some
2365         resemblance to the former immed_real_const_1.
2366         (immed_double_const): Moved here from varasm.c and
2367         simplified.
2368         (gen_rtx_REG): Make REGNO unsigned to squelch warnings.
2369         (gen_rtx_SUBREG): Use gen_rtx_raw_SUBREG.
2370         (gen_rtx): Use immed_double_const.
2371         (init_emit_once): Initialize the const_double_htab.  Use
2372         REAL_VALUE_FROM_INT where possible.  Can now use
2373         CONST_DOUBLE_FROM_REAL_VALUE when setting up const_tiny_rtx.
2374         * varasm.c (struct varasm_status): Remove x_const_double_chain.
2375         (const_double_chain, immed_real_const, clear_const_double_mem): Delete.
2376         (immed_double_const, immed_real_const_1): Moved to emit-rtl.c.
2377         (init_varasm_status, mark_varasm_status): Don't touch
2378         x_const_double_chain.
2379
2380         * output.h: Delete prototype for clear_const_double_mem.
2381         * real.h: Make REAL_VALUE_TYPE a macro again.  Remove leading
2382         '0' slot from all CONST_DOUBLE_FORMAT definitions.  Prototype
2383         const_double_from_real_value, not immed_real_const_1, and use
2384         it to define CONST_DOUBLE_FROM_REAL_VALUE.  Define new macro
2385         CONST_DOUBLE_ATOF.
2386         * rtl.h (CONST_DOUBLE_CHAIN): Kill.
2387         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Adjust.
2388         (gen_rtx_CONST_DOUBLE, immed_real_const): Delete prototypes.
2389         (gen_rtx_REG): Second arg is unsigned.
2390
2391         * gengenrtl.c (special_rtx): Take out CONST_DOUBLE.
2392         (excluded_rtx): New, return true for CONST_DOUBLE.
2393         (genmacro): Write nothing for excluded codes.
2394         * combine.c (combine_simplify_rtx): Use CONST_DOUBLE_FROM_REAL_VALUE.
2395         * expr.c (expand_expr): Likewise.
2396         * ggc-common.c (ggc_mark_rtx_children_1): Don't mark the
2397         CONST_DOUBLE_CHAIN.
2398         * toplev.c (rest_of_compilation): Don't call
2399         clear_const_double_mem.
2400
2401         * config/rs6000/rs6000.c (rs6000_float_const): Delete.
2402         (rs6000_hash_constant): Remove CONST_DOUBLE special case.
2403         (toc_hash_eq): Remove CONST_DOUBLE and LABEL_REF special cases.
2404         * config/rs6000/rs6000-protos.h: Don't prototype rs6000_float_const.
2405         * config/c4x/c4x.md, config/rs6000/rs6000.md: Use CONST_DOUBLE_ATOF.
2406         * config/dsp16xx/dsp16xx.md, config/mips/mips.md,
2407         config/pa/pa.md: Use CONST_DOUBLE_FROM_REAL_VALUE.
2408         * config/sparc/sparc.md, config/sparc/sparc.c: Use immed_double_const.
2409
2410 2002-05-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2411
2412         * mips/iris6.h (CPLUSPLUS_CPP_SPEC): Define.
2413
2414 2002-05-12  Tom Tromey  <tromey@redhat.com>
2415
2416         * tree.h (copy_node): Don't mention TREE_PERMANENT.
2417
2418 2002-05-12  Zack Weinberg  <zack@codesourcery.com>
2419
2420         * gensupport.c (n_comma_elts): Moved here from genattrtab.c.
2421         (scan_comma_elt): New function.  Accepts whitespace in comma lists.
2422         * gensupport.h: Prototype new routines.
2423         * genattr.c (gen_attr): Use scan_comma_elt.  Avoid unnecessary
2424         use of printf.
2425         * genattrtab.c (n_comma_elts): Moved to gensupport.c.
2426         (next_comma_elt): Use scan_comma_elt.
2427
2428         * config/i386/i386.md: Use new attribute notation to break up
2429         long lines in define_attr forms.
2430
2431 2002-05-12  Richard Henderson  <rth@redhat.com>
2432
2433         * expr.c (compress_float_constant): New.
2434         (emit_move_insn): Use it.
2435         (float_extend_from_mem): New.
2436         (init_expr_once): Initialize it.
2437         * real.c (exact_real_truncate): New.
2438
2439         * config/i386/i386.h (CONST_COSTS): Assume CONST_DOUBLE gets
2440         dropped into memory; penalize for size.
2441         (RTX_COSTS): FLOAT_EXTEND is free.
2442         * config/i386/i386.md (extendsfdf2, extendsfxf2, extendsftf2,
2443         extenddfxf2, extenddftf2): Accept constants and drop them to memory.
2444
2445 2002-05-12  Richard Henderson  <rth@redhat.com>
2446
2447         * profile.h (profile_info): Add missing extern to declaration.
2448         * profile.c (profile_info): Define it.
2449
2450 2002-05-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2451
2452         * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Revise sets of general registers
2453         used for DImode and TImode.
2454
2455 2002-05-11  Neil Booth  <neil@daikokuya.demon.co.uk>
2456
2457         * cpplex.c (_cpp_lex_direct): When in a directive at EOF
2458         fake a newline.
2459
2460 2002-05-11  Zack Weinberg  <zack@codesourcery.com>
2461
2462         * config/rs6000/rs6000.c (rs6000_default_long_calls,
2463         rs6000_longcall_switch, rs6000_set_default_type_attributes): New.
2464         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Set it.
2465         (rs6000_override_options): Handle -m(no-)longcall.
2466         (init_cumulative_args, output_mi_thunk): Check for both
2467         longcall and shortcall attributes on the function.
2468         (rs6000_attribute_table): Add "shortcall".
2469         (rs6000_handle_longcall_attribute): Update comment.
2470         (altivec_expand_unop_builtin, altivec_expand_binop_builtin,
2471         altivec_expand_ternop_builtin): Add default clauses to switches
2472         to silence warnings.
2473
2474         * config/rs6000/rs6000.h: Declare rs6000_longcall_switch and
2475         rs6000_default_long_calls.  Define REGISTER_TARGET_PRAGMAS.
2476         (TARGET_OPTIONS): Add longcall and no-longcall.
2477
2478         * config/rs6000/rs6000.md (call_nonlocal_sysv,
2479         call_value_nonlocal_sysv): Split by alternatives.  One pair
2480         accepts only SYMBOL_REFs and rejects if CALL_LONG is set in
2481         the call cookie.  The other pair accepts only LR/CTR and has
2482         no restriction.
2483
2484         * config.gcc (rs6000-*-* | powerpc*-*-* trailer stanza):
2485         Set c_target_objs, cxx_target_objs; add t-rs6000-c-rule to
2486         tmake_file.
2487         * config/rs6000/rs6000-c.c: New file.
2488         * config/rs6000/t-rs6000-c-rule: New file.
2489         * config/rs6000/rs6000-protos.c: Add multiple-include guard.
2490         Prototype rs6000_pragma_longcall.
2491
2492         * doc/extend.texi: Document shortcall attribute.
2493         * doc/invoke.texi: Document -mlongcall, -mno-longcall.
2494
2495 2002-05-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2496
2497         * reorg.c (dbr_schedule): Remove unnecessary test.
2498
2499 Sat May 11 14:34:35 CEST 2002  Jan Hubicka  <jh@suse.cz>
2500
2501         * i386.md (testsi to testqi spliters): New.
2502
2503         2002-01-14  Josef Zlomek  <zlomek@matfyz.cz>
2504
2505         cfg.c (dump_edge_info): added dumping of EDGE_CAN_FALLTHRU.
2506
2507         Wed Jan  9 2002  Josef Zlomek  <zlomj9am@artax.karlin.mff.cuni.cz>
2508
2509         * basic-block.h: New flag EDGE_CAN_FALLTHRU
2510         * cfganal.c (set_edge_can_fallthru_flag): New function; marks the edges
2511         that can be made fallthru.
2512
2513         Mon Nov 12 16:25:53 CET 2001  Jan Hubicka  <jh@suse.cz>
2514
2515         * cfglayout.c (cleanup_unconditional_jumps): New static function.
2516         (cfg_layout_initialize): Use it.
2517
2518 2002-05-11  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2519
2520         * config/avr/avr.c (avr_mcu_types): Update supported devices.
2521         * config/avr/avr.h (CPP_SPEC, LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
2522         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
2523
2524 2002-05-11  Kazu Hirata  <kazu@cs.umass.edu>
2525
2526         * dbxout.c: Fix formatting.
2527         * dependence.c: Likewise.
2528         * df.c: Likewise.
2529         * diagnostic.c: Likewise.
2530         * doloop.c: Likewise.
2531         * dominance.c: Likewise.
2532         * doschk.c: Likewise.
2533         * dwarf2asm.c: Likewise.
2534         * dwarf2out.c: Likewise.
2535         * dwarfout.c: Likewise.
2536
2537 2002-05-10  Richard Henderson  <rth@redhat.com>
2538
2539         * final.c (end_final): Tidy whitespace.  Don't honor flag_pack_struct.
2540         Convert integers constants as needed.  Replace "nwords" field with
2541         "sizeof_bb".
2542         (final): Save profile data if cfun->arc_profile, not profile_arc_flag.
2543         * function.h: Fix typo in comment.
2544         * libgcc2.c (struct bb): Replace "nwords" with "sizeof_bb".
2545
2546 2002-05-10  Roger Sayle  <roger@eyesopen.com>
2547
2548         * fold-const.c (build_range_check): Optimize (c>=1) && (c<=127)
2549         into the equivalent (signed char)c > 0.
2550
2551 2002-05-10  Janis Johnson  <janis187@us.ibm.com>
2552
2553         * loop.c: (PREFETCH_EXTREME_DIFFERENCE, PREFETCH_BEFORE_LOOP): New.
2554         (PREFETCH_CONDITIONAL): Renamed from PREFETCH_NOT_ALWAYS.
2555         (struct prefetch_info): Fix spelling of member bytes_accessed.
2556         (emit_prefetch_instructions): Make dump messages more regular;
2557         restructure code to add more dump messages; use new macros for
2558         heuristics. (There are no code generation changes in any of this).
2559
2560 2002-05-10  David S. Miller  <davem@redhat.com>
2561
2562         * rtl.h (INSN_ANNULLED_BRANCH_P): Accept INSN too, update comment.
2563         (struct rtx_def): Update unchanging flag comment.
2564         * doc/rtl.texi (INSN_ANNULLED_BRANCH_P): Update description.
2565         * reorg.c (delete_from_delay_list): INSN_ANNULLED_BRANCH_P needs
2566         to be handled to INSN too.
2567         (dbr_schedule): Likewise.
2568         * resource.c (next_insn_no_annul): Likewise.
2569
2570         * cse.c (rtx_cost): Remove multiplication by power of 2 special
2571         casing.
2572
2573 2002-05-14  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
2574
2575         * doc/install.texi (Specific, *-*-solaris2*): Update passus on
2576         setting CONFIG_SHELL to /bin/ksh and remove alternate trick to
2577         (possibly) work around broken /bin/sh.
2578
2579 2002-05-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2580
2581         * config/mips/t-iris6 (SHLIB_SLIBDIR_SUFFIXES): Use mabi=64 and
2582         . as N64/N32 libgcc_s.so subdirs.
2583
2584 2002-05-10  David S. Miller  <davem@redhat.com>
2585
2586         * config/sparc/sparc.md: Use define_constants for unspec numbers.
2587
2588         * rtl.h (struct rtx_def): Document unchanging and in_struct flags
2589         more accurately.
2590         (INSN_ANNULLED_BRANCH_P): Only valid for JUMP_INSN and CALL_INSN, fix
2591         comment.
2592         (INSN_FROM_TARGET_P): Valid also for CALL_INSN.
2593         * doc/rtl.texi: Document these macros more accurately.
2594         * recog.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P for
2595         JUMP_INSNs and CALL_INSNs.
2596         * resource.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P
2597         or INSN_FROM_TARGET_P if the code is appropriate.
2598
2599 2002-05-10  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2600
2601         * config/avr/avr.c (print_operand): Check that addr is a SYMBOL_REF
2602         before using SYMBOL_REF_FLAG (addr).
2603
2604         * config/avr/avr-protos.h (avr_io_address_p): Declare.
2605         * config/avr/avr.c (io_address_p): Rename to avr_io_address_p.
2606         Make non-static.  Update all callers.
2607         * config/avr/avr.md (*cbi, *sbi, *sbix_branch, *sbix_branch_bit7):
2608         New insns to clear/set/test a single bit in I/O address space.
2609
2610 2002-05-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2611
2612         * rtl.h (ENABLE_RTL_FLAG_CHECKING): Also check for gcc >= 2.7.
2613
2614 2002-05-09  Neil Booth  <neil@daikokuya.demon.co.uk>
2615
2616         * Makefile.in: Update.
2617         * c-common.c (flag_iso, flag_undef, cb_register_builtins,
2618         builtin_define_std): New.
2619         (c_common_init): Register CPP builtins callback.
2620         * c-common.h (flag_iso, flag_undef): New.
2621         * c-decl.c (c_decode_option): Set flag_iso and flag_undef.
2622         * c-lex.c: Don't include target.h.
2623         (cb_register_builtins): Move to c-common.c.
2624         (init_c_lex): Don't register hook here.
2625         * c-lex.h (builtin_define, builtin_assert, builtin_define_std): New.
2626         (cpp_define, cpp_assert): Remove.
2627         * gcc.c (cc1_options): Pass -undef to front end.
2628         * target-def.h (TARGET_REGISTER_CPP_BUILTINS): Remove.
2629         (TARGET_INITIALIZER): Update.
2630         * target.h (struct cpp_reader): Don't predeclare.
2631         (struct gcc_target): Remove cpp builtin hook.
2632         * tree.c (default_register_cpp_builtins): Remove.
2633 doc:
2634         * tm.texi: Update.
2635
2636 2002-05-09  Neil Booth  <neil@daikokuya.demon.co.uk>
2637
2638         * cppexp.c (_cpp_expand_op_stack): Set op_limit.
2639
2640 2002-05-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2641
2642         * config/mips/t-iris6 (SHLIB_SLIBDIR_SUFFIXES): Define.
2643         (SHLIB_LINK, SHLIB_INSTALL): Adjust.
2644
2645 2002-05-09  Jakub Jelinek  <jakub@redhat.com>
2646
2647         * config/sparc/t-linux64 (SHLIB_MAPFILES): Set.
2648         * config/sparc/libgcc-sparc-glibc.ver: New file.
2649         * config/cris/t-linux (SHLIB_MAPFILES): Remove.
2650         * mklibgcc.in: Preprocess SHLIB_MAPFILES with ml flags.
2651
2652 2002-05-09  Jakub Jelinek  <jakub@redhat.com>
2653
2654         PR target/6429
2655         * Makefile.in (libgcc.mk): Pass SHLIB_SLIBDIR_SUFFIXES to mklibgcc.
2656         * mklibgcc.in: If SHLIB_SLIBDIR_SUFFIXES is defined, put libgcc_s
2657         shared libraries into multilib dirs, with SONAME libgcc_s.so.1 for
2658         base multilibs.
2659         * config/t-slibgcc-elf-ver (SHLIB_LINK): Adjust for the above.
2660         * config/t-slibgcc-sld (SHLIB_LINK): Likewise.
2661         * config/sparc/t-linux64 (SHLIB_SLIBDIR_SUFFIXES): Define.
2662         * config/sparc/t-sol2-64 (SHLIB_SLIBDIR_SUFFIXES): Define.
2663
2664 2002-05-09  Richard Henderson  <rth@redhat.com>
2665
2666         * config/ia64/ia64.md: Use define_constants for unspec numbers.
2667         * config/ia64/ia64.c: Likewise.
2668
2669 2002-05-09  Richard Sandiford  <rsandifo@redhat.com>
2670
2671         * config/mips/mips.c (mips_add_large_offset_to_sp): Remove FILE arg.
2672         (save_restore_insns): Likewise.
2673         (mips_expand_prologue, mips_expand_epilogue): Update callers.
2674         (highpart_shift_operator): Attach ATTRIBUTE_UNUSED to mode argument.
2675
2676 Thu May  9 11:50:09 2002  Jeffrey A Law  (law@cygnus.com)
2677
2678         * athlon.md, k6.md, pentium.md, ppro.md): New files.
2679         * i386.md: Move scheduling information into new files.
2680
2681         * i386.md (type attribute): Add "rotate" for rotate insns.
2682         (rotate insns): Set type to "rotate".
2683         (various attributes and function units): Treat rotate like shift.
2684         (pent_pair attribute): Only rotates by one bit position are
2685         pairable.
2686         (sbb insns): Explicitly set pent_pair attribute on a couple
2687         that were missing it.
2688
2689 Thu May  9 18:29:24 2002  J"orn Rennecke <joern.rennecke@superh.com>
2690
2691         * sh.c (sh_builtin_saveregs): If starting with an odd fp register,
2692         make sure that buffer starts on odd word address.
2693         (sh_va_arg): Skip odd fp registers when reading a double precision
2694         value.
2695
2696 2002-05-09  Neil Booth  <neil@daikokuya.demon.co.uk>
2697
2698         * tree.h (preserve_data, object_permanent_p, type_precision):
2699         Remove.
2700
2701 2002-05-09  Neil Booth  <neil@daikokuya.demon.co.uk>
2702
2703         * cpplib.c (cpp_init_internal_pragmas): Remove #pragma poison.
2704         * cppmacro.c (paste_all_tokens): Bad pastes are a hard error.
2705 doc:
2706         * cpp.texi: Update for removal of obsolete features.
2707
2708 Thu May  9 07:46:18 2002  Jan Hubicka <jh@suse.cz>
2709                           Jeffrey A Law  (law@redhat.com)
2710
2711         * i386.c (ia32_use_dfa_pipeline_interface): New function.  Use
2712         the DFA interface for Pentium processors.
2713         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): DEFINE.
2714         (attr_pent_pair, ix86_pent_find_pair): Remove.
2715         (ix86_sched_reorder_pentium): Remove.
2716         (ix86_sched_reorder): Remove reordering for Pentium.
2717         * i386.md (Pentium scheduling): Rewrite using DFA description.
2718
2719 Thu May  9 14:55:39 CEST 2002  Jan Hubicka  <jh@suse.cz>
2720
2721         * cfganal.c (can_fallthru): Fix fast path.
2722         * cfgrtl.c (verify_flow_info): Avoid crash on conditionals
2723         with edges to the next block.
2724
2725 Thu May  9 14:52:45 CEST 2002  Jan Hubicka  <jh@suse.cz>
2726                                Pavel Nejedly  <bim@atrey.karlin.mff.cuni.cz>
2727
2728         * final.c (end_final): Use C trees to output data structures for profiling.
2729
2730         * Makefile.in (LIBGCC_DEPS): Added missing dependency on gcov-io.h
2731         (profile.o): New dependency profile.h
2732         (final.o): New dependency profile.h
2733         * profile.h: New file. New global structure profile_info.
2734         * final.h (count_edges_instrumented_now): Declare.
2735         (current_function_cfg_checksum): Declare.
2736         (function_list): New structure.
2737         (functions_head, functions_tail): New static variables.
2738         (end_final): Emits more data, removed some -ax stuff.
2739         (final): Stores function names and chcksums.
2740         * gcov-io.h (__write_gcov_string): New function.
2741         (__read_gcov_string): New function.
2742         * gcov.c (read_profile): New function.
2743         (create_program_flow_graph): Uses read_profile instead of reading
2744         da_file.
2745         (read_files): Removed da_file checking, it's done by read_profile now.
2746         * libgcc2.c (bb_function_info): New structure.
2747         (bb): New field in structure, removed some -ax stuff.
2748         (__bb_exit_func): Changed structure of da_file.
2749         * profile.c (count_edges_instrumented_now): New global variable.
2750         (current_function_cfg_checksum): New global variable.
2751         (max_counter_in_program): New global variable.
2752         (get_exec_counts): New function.
2753         (compute_checksum): New function.
2754         (instrument_edges): Sets count_edges_instrumented_now.
2755         (compute_branch_probabilities): Uses get_exec_counts instead of
2756         reading da_file.
2757         (branch_prob): Calls compute_checksum and writes extra data to bbg_file.
2758         (init_branch_prob): Removed da_file checking, done in get_exec_counts
2759         now.
2760         (end_branch_prob): Removed da_file checking, done in get_exec_counts
2761         now.
2762         * gcov.texi: Updated information about gcov file format.
2763
2764 2002-05-09  Kazu Hirata  <kazu@cs.umass.edu>
2765
2766         * sbitmap.c: Fix formatting.
2767         * scan.c: Likewise.
2768         * scan-decls.c: Likewise.
2769         * sched-deps.c: Likewise.
2770         * sched-ebb.c: Likewise.
2771         * sched-rgn.c: Likewise.
2772         * sched-vis.c: Likewise.
2773         * sdbout.c: Likewise.
2774         * sibcall.c: Likewise.
2775         * simplify-rtx.c: Likewise.
2776         * ssa.c: Likewise.
2777         * ssa-ccp.c: Likewise.
2778         * ssa-dce.c: Likewise.
2779         * stmt.c: Likewise.
2780         * stor-layout.c: Likewise.
2781         * stringpool.c: Likewise.
2782
2783 2002-05-09  David S. Miller  <davem@redhat.com>
2784
2785         * config/sparc/sol2.h (ASM_CPU_SPEC): Handle -mcpu=v9.
2786
2787 2002-05-07  David S. Miller  <davem@redhat.com>
2788
2789         * config/sparc/sparc.h (TARGET_BUGGY_QP_LIB): Define to zero.
2790         * config/sparc/sol2.h (TARGET_BUGGY_QP_LIB): Override to one.
2791         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If the Qp
2792         library implementation clobbers the output before the inputs
2793         are fully consumed, use stack temporary for the output.
2794
2795 2002-05-09  Jason Thorpe  <thorpej@wasabisystems.com>
2796
2797         * config/netbsd.h (CPP_SPEC): Remove.
2798         * config/i386/netbsd-elf.h (CPP_SPEC): Define.
2799         * config/i386/netbsd.h (CPP_SPEC): Define.
2800         * config/ns32k/netbsd.h (CPP_SPEC): Define.
2801         * config/sparc/netbsd-elf.h (CPP_SPEC): Remove.
2802         * config/sparc/netbsd.h (CPP_SPEC): Define.
2803         * config/vax/netbsd.h (CPP_SPEC): Define.
2804
2805 2002-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2806
2807         * read-rtl.c: Fix formatting.
2808         * real.c: Likewise.
2809         * recog.c: Likewise.
2810         * regclass.c: Likewise.
2811         * regmove.c: Likewise.
2812         * reg-stack.c: Likewise.
2813         * reload1.c: Likewise.
2814         * reload.c: Likewise.
2815         * resource.c: Likewise.
2816         * rtlanal.c: Likewise.
2817         * rtl.c: Likewise.
2818         * rtl-error.c: Likewise.
2819
2820 2002-05-08  John David Anglin  <dave@hiauly1.hia.nrc.ca>
2821
2822         * pa/pa-64.h (MAX_WCHAR_TYPE_SIZE): Delete.
2823         * pa/pa.h (MAX_WCHAR_TYPE_SIZE): Delete.
2824
2825 2002-05-08  Bernd Schmidt  <bernds@redhat.com>
2826
2827         * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Tweak previous change to
2828         use __SSE2__ macro instead.
2829         * config/i386/xmmintrin.h: Likewise.
2830
2831 2002-05-08  Janis Johnson  <janis187@us.ibm.com>
2832
2833         * rtl.h (RTL_FLAG_CHECK*): Add an argument for the macro name,
2834         and use it in all invocations of these macros.  Clean up comments.
2835         * rtl.c (rtl_check_failed_flag): Add an argument for the name
2836         of the flag access macro whose check failed.
2837         * doc/rtl.texi (Flags): Document additional flag uses.
2838
2839 2002-05-08  Robert Spier <rspier@pobox.com>
2840             Neil Booth  <neil@daikokuya.demon.co.uk>
2841
2842         PR preprocessor/6521
2843         * cppfiles.c (handle_missing_header): Don't do anything
2844         different for <> includes.
2845 doc:
2846         * cppopts.texi: Update documentation for -MG.
2847
2848 2002-05-08  Neil Booth  <neil@daikokuya.demon.co.uk>
2849
2850         * cpplex.c (cpp_interpret_charconst): Truncate as well as
2851         sign-extend.
2852 doc:
2853         * cpp.texi: Clarify multichar charconst valuation.
2854
2855 2002-05-08  Mark Mitchell  <mark@codesourcery.com>
2856
2857         * doc/invoke.texi: Document -mwindiss option.
2858
2859 2002-05-08  Jason Merrill  <jason@redhat.com>
2860
2861         * dwarf2out.c (output_call_frame_info): Don't emit a CIE with no FDEs.
2862
2863         * dwarf2out.c (gen_type_die): Abort on broken recursion.
2864
2865         PR c++/6381
2866         * dwarf2out.c (rtl_for_decl_location): Only expand INTEGER_CST and
2867         REAL_CST.
2868
2869 2002-05-08  Nick Clifton  <nickc@cambridge.redhat.com>
2870
2871         * config/arm/t-arm-elf (MULTILIB): Do not allow big-endian/
2872         little-endian multilibs to override arm/thumb multilibs.
2873         Do not build hardware floating point multilibs, nor apcs-26
2874         multilibs for the Thumb.
2875
2876 2002-05-08  Mark Mitchell  <mark@codesourcery.com>
2877
2878         PR c/6569.
2879         * varasm.c (mark_weak): New function.
2880         (merge_weak): Use it.  Do not call declare_weak.
2881         (declare_weak): Use merge_weak.
2882
2883 Wed May  8 13:12:11 CEST 2002  Jan Hubicka  <jh@suse.cz>
2884
2885         * cse.c (dead_libcall_p): Update counts.
2886         (delete_trivially_dead_insns): Update call of dead_libcall_p.
2887
2888 Wed May  8 11:08:50 CEST 2002  Jan Hubicka  <jh@suse.cz>
2889
2890         * cfglayout.c (function_tail_eff_head): Rename to ...
2891         (function_footer): ... this one.
2892         (unlink_insn_chain): New functions.
2893         (label_for_bb): Only call block_label and emit debug message.
2894         (record_effective_endpoints): Actually unlink the headers and footers.
2895         (fixup_reorder_cahin): Re-insert the unlinked sequences.
2896         (cfg_layout_duplicate_bb): Use duplicate_insn_chain.
2897         * cfglayout.h (struct reorder_block_def): New fields footer/header;
2898         remove eff_head/eff_end.
2899         * rtl.h (set_first_insn): Declare.
2900         * emit-rtl.c (set_first_insn): New function.
2901
2902         * cfglayout.c (fixup_reorder_chain): Dump duplicated
2903         (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
2904         cfg_layout_duplicate_bb): New global function.
2905         (duplicate_insn_chain): New static function.
2906         * cfglayout.h (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
2907         cfg_layout_duplicate_bb): Declare.
2908         (struct reorder_block_def): Add "original" field.
2909         * emit-rtl.c (emit_copy_of_insn_after): New function.
2910         * rtl.h (emit_copy_of_insn_after): Declare.
2911
2912         * cfglayout.c (fixup_fallthru_exit_predecessor): Kill.
2913         (fixup_reorder_chain): properly handle edges to exit block.
2914
2915 Wed May  8 11:10:31 CEST 2002  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2916                                Jan Hubicka  <jh@suse.cz>
2917
2918         * basic-block.h (note_prediction_to_br_prob): declare.
2919         * c-semantics.c: Inlucde predit.h
2920         (expand_stmt): predict GOTO_STMT as not taken.
2921         * cfgcleanup.c: (delete_unreachable_blocks): Make global.
2922         (cleanup_cfg): Do not free tail_recursion_list.
2923         * cfgrtl.c (can_delete_note_p): Delete NOTE_INSN_PREDICTION.
2924         (flow_delete_block): Kill predictions past end of basic block.
2925         * output.h (delete_unreachable_blocks): Declare.
2926         * predict.c (predicted_by_p, process_note_predictions,
2927         process_note_prediction, last_block_p): New function.
2928         (estimate_probability): Bypass loop on PRED_CONTINUE;
2929         do not handle noreturn heuristics; kill PRED_RETURN; add
2930         PRED_EARLY_RETURN.
2931         * predict.def (PRED_CONTINUE, PRED_EARLY_RETURN, PRED_GOTO,
2932         PRED_CONST_RETURN, PRED_NEGATIVE_RETURN, PRED_NULL_RETURN): New.
2933         * predict.h (IS_TAKEN): New constant.
2934         * print-rtl.c (print_rtx): Pretty print NOTE_INSN_PREDICTION.
2935         * rtl.c (NOTE_INSN_PREDICTION): New.
2936         * rtl.h (NOTE_PREDICTION, NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS):
2937         New macro.
2938         (insn_note): add NOTE_INSN_PREDICTION.
2939         * sibcall.c (optimize_sibling_and_tail_recursive_call): Do not build
2940         CFG; free tail_recursion_label_list.
2941         * stmt.c: Include predict.h;
2942         (return_prediction): New.
2943         (expand_value_return): Use it.
2944         * toplev.c: Lower NOTE_INSN_PREDICTION before sibcall.
2945
2946 2002-05-08  Richard Sandiford  <rsandifo@redhat.com>
2947
2948         * config/mips/mips.md: Name the unspecs with define_constant.
2949         (*HILO_delay): Rename to 'hilo_delay' (no star).
2950         (reload_indi): Replace gen_rtx_UNSPEC with gen_hilo_delay.
2951         (reload_outdi, reload_outsi): Likewise.
2952
2953 2002-05-07  Kazu Hirata  <kazu@cs.umass.edu>
2954
2955         * toplev.c: Fix formatting.
2956
2957 2002-05-07  Janis Johnson  <janis187@us.ibm.com>
2958
2959         * config.in (ENABLE_RTL_FLAG_CHECKING): New.
2960         * configure.in (ac_rtlflag_checking): New.
2961         * doc/install.texi (--enable-checking): Document RTL flag checking.
2962
2963 2002-05-07  Neil Booth  <neil@daikokuya.demon.co.uk>
2964
2965         * c-common.c (c_common_init): Set options->unsigned_wchar.
2966         * cppinit.c (cpp_create_reader): Default unsigned_wchar,
2967         group target dependencies.
2968         (init_builtins, cpp_handle_option): Update.
2969         * cpplex.c (cpp_interpret_charconst): Update.
2970         * cpplib.h (struct cpp_options): Add unsigned_wchar, rename
2971         signed_char to unsigned_char, group target dependencies.
2972         * defaults.h (WCHAR_UNSIGNED): Remove.
2973         * system.h (WCHAR_UNSIGNED, MAX_CHAR_TYPE_SIZE): Poison.
2974 config:
2975         * freebsd.h, interix.h, alpha/freebsd.h, arm/freebsd.h,
2976         i386/386bsd.h, i386/beos-elf.h, i386/bsd386.h, i386/cygwin.h,
2977         i386/djgpp.h, i386/freebsd-aout.h, i386/i386-interix.h,
2978         i386/win32.h, ia64/freebsd.h, mips/netbsd.h, rs6000/freebsd.h,
2979         sh/elf.h, sh/sh.h, sparc/freebsd.h: Remove WCHAR_UNSIGNED.
2980 doc:
2981         * tm.texi: Remove MAX_CHAR_TYPE_SIZE.
2982
2983 2002-05-07  Mark Mitchell  <mark@codesourcery.com>
2984
2985         * fixinc/inclhack.def (windiss_math1): New fix.
2986         (windiss_math2): Likewise.
2987         (windiss_valist): Likewise.
2988         * fixinc/fixincl.x: Regenerated.
2989
2990 2002-05-07  Andreas Jaeger  <aj@suse.de>
2991
2992         * genautomata.c (output_internal_min_issue_delay_func): Add
2993         ATTRIBUTE_UNUSED to avoid warning with empty dfa.
2994         (output_internal_trans_func): Likewise.
2995
2996 Tue May  7 10:06:22 2002  Jeffrey A Law  (law@redhat.com)
2997
2998         * pa.c (hppa_profile_hook): Use force_reg to get the address
2999         of the profile hook into an appropriate pseudo register.
3000
3001 2002-05-07  Mark Mitchell  <mark@codesourcery.com>
3002
3003         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES): Add -mwindiss.
3004         (LINK_START_SPEC): Handle it.
3005         (LINK_OS_SPEC): Likewise.
3006         (CPP_SPEC): Likewise.
3007         (STARTFILE_SPEC): Likewise.
3008         (LIB_SPEC): Likewise.
3009         (ENDFILE_SPEC): Likewise.  Do not assume crtsavres.o is used on
3010         all platforms.
3011         (CRTSAVRES_DEFAULT_SPEC): New macro.
3012         (LIB_WINDISS_SPEC): New macro.
3013         (CPP_OS_WINDISS_SPEC): Likewise.
3014         (STARTFILE_WINDISS_SPEC): Likewise.
3015         (ENDFILE_WINDISS_SPEC): Likewise.
3016         (LINK_START_WINDISS_SPEC): Likewise.
3017         (LINK_OS_WINDISS_SPEC): Likewise.
3018         * config/rs6000/windiss.h: New file.
3019
3020 2002-05-07  Aldy Hernandez  <aldyh@redhat.com>
3021
3022         * config/rs6000/rs6000.c (bdesc_2arg): Fix vmax typos.
3023
3024 2002-05-06  David S. Miller  <davem@redhat.com>
3025
3026         * config/sparc/sparc.md (shift insns): Do not mask off
3027         second operand, 'I' constraint and SHIFT_COUNT_TRUNCATED
3028         take care of it.
3029
3030 2002-05-06  Richard Henderson  <rth@redhat.com>
3031
3032         PR c++/6212
3033         * expr.c (highest_pow2_factor_for_type): New.
3034         (expand_assignment): Use it.
3035
3036 2002-05-06  Aldy Hernandez  <aldyh@redhat.com>
3037
3038         * config/rs6000/rs6000.md ("altivec_mtvscr"): Change to
3039         unspec_volatile.
3040         ("altivec_mfvscr"): Same.
3041
3042 2002-05-06  Janis Johnson  <janis187@us.ibm.com>
3043
3044         * rtl.h (struct rtx_def): Update comments.
3045         (RTL_FLAG_CHECK[12345678]): New.  (rtl_check_failed_flag): Declare.
3046         (RTL_FLAG): New.  (CLEAR_RTX_FLAGS): New.  (flag access macros): Use
3047         RTL_FLAG_CHECK macros with list of expected RTL codes.
3048         * rtl.c (copy_rtx, shallow_copy_rtx): Use RTX_FLAG macro.
3049         (rtl_check_failed_flag): New.
3050         * reload1.c (reload): Use REG macro before changing rtx to MEM.
3051         (reload_cse_noop_set_p): Check rtx code before using access macro.
3052         * config/ia64/ia64.c (process_for_unwind_directive): Check rtx code
3053         before using access macro.
3054
3055 2002-05-06  Janis Johnson  <janis187@us.ibm.com>
3056
3057         * doc/rtl.texi (Flags): Update to reflect current usage.
3058
3059 2002-05-06  Roger Sayle  <roger@eyesopen.com>
3060
3061         PR opt/3995
3062         * fold-const.c (sign_bit_p): New function.
3063         (fold) [EQ_EXPR]: Use this to convert (A & C) == 0 into A >= 0 and
3064         (A & C) != 0 into A < 0, when constant C is the sign bit of A's type.
3065         Reapply fold when converting (A & C) == C into (A & C) != 0.
3066         (fold_binary_op_with_conditional_arg): Fix typo in comment.
3067
3068 2002-05-07  Neil Booth  <neil@daikokuya.demon.co.uk>
3069
3070         * c-common.c (warn_multichar): New.
3071         (c_common_init): Set CPP's warn_multichar.
3072         * c-common.h (warn_multichar): New.
3073         * c-decl.c (warn_multichar): Remove.
3074         * c-lex.c (lex_charconst): Update.
3075         * c-tree.h (warn_multichar): Remove.
3076         * cppexp.c (eval_token): Sign-extend charconst value.
3077         * cppinit.c (cpp_create_reader): Set warn_multichar.
3078         * cpplex.c (cpp_interpret_charconst): Don't sign-extend
3079         each character.  Update prototype.  Sign-extend the result.
3080         * cpplib.h: Fix conditions.
3081         (struct cpp_options): Add new warning flag.
3082         (cpp_interpret_charconst): Update prototype.
3083 doc:
3084         * cpp.texi: Update documentation.
3085
3086 2002-05-06  Vladimir Makarov  <vmakarov@redhat.com>
3087
3088         * genautomata.c (form_the_same_automaton_unit_lists_from_regexp):
3089         Fix typo in usage of allof instead of unit.
3090
3091 2002-05-06  Richard Henderson  <rth@redhat.com>
3092
3093         * recog.c (if_test_bypass_p): Accept multiple set insns for OUT,
3094         and any jump or call for IN.
3095
3096 2002-05-06  Bernd Schmidt  <bernds@redhat.com>
3097
3098         * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Define __SSE2_BUILTINS__ if
3099         -msse2.
3100         * config/i386/xmmintrin.h: Use it to conditionalize SSE2 support.
3101
3102 2002-05-06  Roger Sayle  <roger@eyesopen.com>
3103
3104         * fold-const.c (lshift-double): Cast the high word to an unsigned
3105         HOST_WIDE_INT when extracting sign bit to avoid compiler warning.
3106         (div_and_round_double): Cast carry to a signed HOST_WIDE_INT to
3107         avoid compiler warning.  (fold): Remove redundant code from
3108         BIT_AND_EXPR as integer operands are canonicalized to be arg1.
3109
3110 2002-05-06  Jeff Law  <law@redhat.com>
3111
3112         * pa-protos.h (hppa_fpstore_bypass_p): Declare.
3113         * pa.c (pa_adjust_cost): Remove all true dependency cost
3114         adjustments.  Also remove support for non-DFA scheduling.
3115         * pa.md (700, 7100, 7100lc, 7200, 7300): Use bypass mechanism
3116         to adjust true dependency costs.  Update various comments.
3117         (7100lc, 7200, 7300 scheduling): Simplify by combining the
3118         FP ALU & MPY units into a single unit.
3119
3120 2002-05-06  Catherine Moore  <clm@redhat.com>
3121
3122         * config/v850/v850.c (compute_register_save_size): Make sure
3123         to count all of the registers that will be saved.
3124
3125 Mon May  6 18:03:11 CEST 2002  Jan Hubicka  <jh@suse.cz>
3126
3127         * i386.c (q_regs_operand): Use ANY_QI_REGS_P.
3128
3129 2002-05-06  David S. Miller  <davem@redhat.com>
3130
3131         * config/sparc/sparc.c (emit_soft_tfmode_libcall): Do not
3132         allow result to overlap input operands in memory.
3133
3134 2002-05-06  Neil Booth  <neil@daikokuya.demon.co.uk>
3135
3136 doc:
3137         * cpp.texi: Update multichar charconst docs.
3138
3139 2002-05-06  Neil Booth  <neil@daikokuya.demon.co.uk>
3140
3141         * cpplex.c (cpp_interpret_charconst): Sign-extend each
3142         character.  Don't ignore excess characters.  Treat
3143         multicharacter character constants as signed.
3144         (cpp_parse_escape): Clarify diagnostic.
3145
3146 2002-05-05  Jakub Jelinek  <jakub@redhat.com>
3147
3148         * config/sparc/sparc.md (ashlsi3): If shift count is const1_rtx,
3149         use add instead of shift.
3150         (ashldi3_sp64): Likewise.
3151         (ashlsi3_const1, ashldi3_const1): Remove.
3152         * config/sparc/sparc.h (PREDICATE_CODES): Add const1_operand.
3153         * config/sparc/sparc.c (const1_operand): New.
3154
3155 2002-05-05  Jason Thorpe  <thorpej@wasabisystems.com>
3156
3157         * config.gcc (alpha*-*-netbsd*): Don't use crtstuff.
3158
3159 2002-05-05  Jakub Jelinek  <jakub@redhat.com>
3160
3161         PR target/6561
3162         * config/sparc/sparc.md (muldi3_v8plus): Handle %1 equal to %2.
3163
3164 2002-05-05  Richard Henderson  <rth@redhat.com>
3165
3166         * config/alpha/alpha.c (alpha_adjust_cost): Remove everything but
3167         memory latency adjustments.
3168         (alpha_variable_issue): Remove.
3169         (alpha_use_dfa_pipeline_interface): New.
3170         (alpha_multipass_dfa_lookahead): New.
3171         * config/alpha/alpha.md: Remove define_function_unit scheduling;
3172         include new dfa scheduling.
3173         (attr type): Add none.
3174         (blockage): Use it.
3175         * config/alpha/ev4.md: New.
3176         * config/alpha/ev5.md: New.
3177         * config/alpha/ev6.md: New.
3178
3179 2002-05-05  David S. Miller  <davem@redhat.com>
3180
3181         * recog.c (store_data_bypass_p): Handle CLOBBER inside PARALLEL.
3182
3183 2002-05-05  Kazu Hirata  <kazu@cs.umass.edu>
3184
3185         * cse.c: Fix formatting.
3186         * emit-rtl.c: Likewise.
3187
3188 2002-05-05  Vladimir Makarov  <vmakarov@redhat.com>
3189
3190         * genautomata.c (initiate_states): Add additional guard to
3191         initialize `units_array'.
3192
3193 2002-05-05  Vladimir Makarov  <vmakarov@redhat.com>
3194
3195         * genautomata.c (form_the_same_automaton_unit_lists_from_regexp,
3196         process_unit_to_form_the_same_automaton_unit_lists,
3197         form_the_same_automaton_unit_lists
3198         check_unit_distributions_to_automata): New prototypes and
3199         functions.
3200         (check_automata): Rename it into `check_automata_insn_issues'.
3201         (unit_decl): New fields `the_same_automaton_unit' and
3202         `the_same_automaton_message_reported_p'.
3203         (unit_decl_t): New typedef.
3204         (the_same_automaton_lists): New gloval variable.
3205         (unit_regexp, unit_set_el, units_array, units_cmp,
3206         output_get_cpu_unit_code_func): Use the typedef.
3207         (evaluate_max_reserv_cycles): Increment
3208         `description->max_insn_reserv_cycles'.
3209         (initiate_states): Don't increment `max_cycles_num'.
3210         (transform_insn_regexps): Move code around transformation of
3211         regexps from `generate'.
3212         (generate): Remove call of `transform_insn_regexps'.
3213         (expand_automata): Call `transform_insn_regexps' and
3214         `check_unit_distributions_to_automata'.  Check errors before
3215         `generate'.
3216
3217         * config/sparc/ultra3.md (us3_a0, us3_a1): Move the units into
3218         automaton `ultrasparc3_1'.
3219
3220 2002-05-05  Neil Booth  <neil@daikokuya.demon.co.uk>
3221
3222         * c-common.c (c_common_init): Set up CPP arithmetic.
3223         * cppinit.c (cpp_create_reader): Default CPP arithmetic to
3224         something reasonable for the host.
3225         (sanity_checks): Add checks.
3226         (cpp_read_main_file): Call sanity_checks() from here...
3227         (cpp_post_options): ... not here.
3228         * cpplex.c (cpp_interpret_charconst): Get max_chars right.
3229         * cpplib.h (struct cpp_options): New member int_precision.
3230
3231 2002-05-05  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3232
3233         * doc/install.texi (powerpc-*-linux-gnu*): Update build requirements.
3234
3235 2002-05-04  David S. Miller  <davem@redhat.com>
3236
3237         * config/sparc/linux.h, config/sparc/linux64.h
3238         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define twice.
3239
3240         * config/sparc/sparc.c (sparc_rtx_costs): Describe costs of
3241         more RTX codes.
3242         * config/sparc/sparc.h (RTX_COSTS_CASES): List those new codes.
3243
3244         * recog.c (store_data_bypass_p): Handle out_insn being a PARALLEL
3245         of SETs.
3246
3247 2002-05-05  Tim Josling  <tej@melbpc.org.au>
3248
3249         * treelang; New directory for new sample language treelang.
3250
3251 2002-05-04  Neil Booth  <neil@daikokuya.demon.co.uk>
3252
3253         * Makefile.in (c-lex.o): Update.
3254         * c-lex.c: Include target.h.
3255         (cb_register_builtins): New.
3256         (init_c_lex): Set builtins callback.
3257         * c-lex.h (cpp_define, cpp_assert): New prototypes.
3258         * cppinit.c (init_builtins): Use callback, including for
3259         GXX_WEAK.
3260         * cpplib.h (struct cpp_callbacks): New member.
3261         * target-def.h (TARGET_REGISTER_CPP_BUILTINS): New.
3262         (TARGET_INITIALIZER): Update.
3263         * target.h (struct gcc_target): New hook.
3264         * tree.c (default_register_cpp_builtins): New.
3265         * tree.h (default_register_cpp_builtins): New.
3266 doc:
3267         * tm.texi (TARGET_REGISTER_CPP_BUILTINS): Document.
3268
3269 2002-05-04  Neil Booth  <neil@daikokuya.demon.co.uk>
3270
3271         * cppinit.c (MAX_WCHAR_TYPE_SIZE): Move to cpplib.h
3272         (cpp_post_options): Move sanity checks to...
3273         (sanity_checks): New.
3274         * cpplex.c (maybe_read_ucs): Fix prototype.
3275         (parse_string, cpp_parse_escape): Cast for %c format specifier.
3276         * cpplib.h (cppchar_t): Use unsigned long or unsigned long long
3277         if necessary.
3278
3279 2002-05-04  Bernd Schmidt  <bernds@redhat.com>
3280
3281         * config/i386/i386.c (bdesc_2arg): Add a couple of missing SSE2
3282         builtins.  Use V2DI patterns instead of TI for logical operations.
3283         (ix86_init_mmx_sse_builtins): Add a couple of missing SSE2 builtins.
3284         Correct definitions of psadbw, pmovmskb128, movntdq, cvtdq2ps.
3285         (ix86_expand_builtins): Change the pattern used for movntdq.
3286         * config/i386/i386.md (sse2_andv2di3, sse2_iorv2di3, sse2_xorv2di3,
3287         sse2_nandv2di3): New patterns.
3288         (sse2_anddf3, sse2_nanddf3, sse2_iordf3, sse2_xordf3): Correct modes
3289         on operands.
3290         (sse2_movntv2di): Renamed from sse2_movntti and modes adjusted.
3291         (cvtdq2pd): Correct mode on operand 1.
3292         (sse2_umulsidi3): Describe without unspec.
3293         (sse2_psadbw, mmx_psadbw): Describe with unspec; use more appropriate
3294         machine modes.
3295         (lshrv2di3): Renamed from sse2_lshrv2di3 and removed unspec.
3296         (ashlv2di3): Likewise, from sse2_ashlv2di3.
3297         (ashrv8hi3, ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3,
3298         ashlv4si3, ashlv2di3): Use SImode for shift count.
3299         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti, lshrv2di3_ti,
3300         lshrv4si3_ti, lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti):
3301         New patterns.
3302         * config/i386/xmmintrin.h (__v2df, __v2di, __v4si, __v8hi, __v16qi):
3303         New typedefs.
3304         (__m128i, __m128d): New macros.
3305         (_mm_add_pd, _mm_add_sd, _mm_sub_pd, _mm_sub_sd, _mm_mul_pd,
3306         _mm_mul_sd, _mm_div_pd, _mm_div_sd, _mm_sqrt_pd, _mm_sqrt_sd,
3307         _mm_min_pd, _mm_min_sd, _mm_max_sd, _mm_max_pd, _mm_and_pd,
3308         _mm_andnot_pd, _mm_xor_pd, _mm_or_pd, _mm_cmpeq_pd, _mm_cmplt_pd,
3309         _mm_cmple_pd, _mm_cmpgt_pd, _mm_cmpge_pd, _mm_cmpneq_pd,
3310         _mm_cmpnlt_pd, _mm_cmpnle_pd, _mm_cmpngt_pd, _mm_cmpnge_pd,
3311         _mm_cmpord_pd, _mm_cmpunord_pd, _mm_cmpeq_sd, _mm_cmplt_sd,
3312         _mm_cmple_sd, _mm_cmpgt_sd, _mm_cmpge_sd, _mm_cmpneq_sd,
3313         _mm_cmpnlt_sd, _mm_cmpnle_sd, _mm_cmpngt_sd, _mm_cmpnge_sd,
3314         _mm_cmpord_sd, _mm_cmpunord_sd, _mm_comieq_sd, _mm_comilt_sd,
3315         _mm_comile_sd, _mm_comigt_sd, _mm_comige_sd, _mm_comineq_sd,
3316         _mm_ucomieq_sd, _mm_ucomieq_sd, _mm_ucomilt_sd, _mm_ucomile_sd,
3317         _mm_ucomigt_sd, _mm_ucomige_sd, _mm_ucomineq_sd, _mm_cvtepi32_pd,
3318         _mm_cvtepi32_ps, _mm_cvtpd_epi32, _mm_cvtpd_pi32, _mm_cvtpd_ps,
3319         _mm_cvttpd_epi32, _mm_cvttpd_pi32, _mm_cvtpi32_pd, _mm_cvtps_epi32,
3320         _mm_cvttps_epi32, _mm_cvtps_pd, _mm_cvtsd_si32, _mm_cvttsd_si32,
3321         _mm_cvtsd_ss, _mm_cvtsi32_sd, _mm_cvtss_sd, _mm_unpackhi_pd,
3322         _mm_unpacklo_pd, _mm_loadh_pd, _mm_storeh_pd, _mm_storel_pd,
3323         _mm_movemask_pd, _mm_packs_epi16, _mm_packs_epi32, _mm_packus_epi16,
3324         _mm_unpackhi_epi8, _mm_unpackhi_epi16, _mm_unpackhi_epi32,
3325         _mm_unpacklo_epi8, _mm_unpacklo_epi16, _mm_unpacklo_epi32,
3326         _mm_add_epi8, _mm_add_epi16, _mm_add_epi32, _mm_add_epi64,
3327         _mm_adds_epi8, _mm_adds_epi16, _mm_adds_epu8, _mm_adds_epu16,
3328         _mm_sub_epi8, _mm_sub_epi16, _mm_sub_epi32, _mm_sub_epi64,
3329         _mm_subs_epi8, _mm_subs_epi16, _mm_subs_epu8, _mm_subs_epu16,
3330         _mm_madd_epi16, _mm_mulhi_epi16, _mm_mullo_epi16, _mm_mul_pu16,
3331         _mm_mul_epu16, _mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64,
3332         _mm_sra_epi16, _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32,
3333         _mm_srl_epi64, _mm_slli_epi16, _mm_slli_epi32, _mm_slli_epi64,
3334         _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3335         _mm_srli_epi64, _mm_and_si128, _mm_andnot_si128, _mm_or_si128,
3336         _mm_xor_si128, _mm_cmpeq_epi8, _mm_cmpeq_epi16, _mm_cmpeq_epi32,
3337         _mm_cmpgt_epi8, _mm_cmpgt_epi16, _mm_cmpgt_epi32, _mm_max_epi16,
3338         _mm_max_epu8, _mm_min_epi16, _mm_min_epu8, _mm_movemask_epi8,
3339         _mm_mulhi_epu16, _mm_maskmoveu_si128, _mm_avg_epu8, _mm_avg_epu16,
3340         _mm_sad_epu8, _mm_stream_si32, _mm_stream_si128, _mm_stream_pd,
3341         _mm_movpi64_epi64, _mm_clflush, _mm_lfence, _mm_mfence): New
3342         functions.
3343         (_mm_shufflehi_epi16, _mm_shufflelo_epi16, _mm_shuffle_epi32,
3344         _mm_extract_epi16, _mm_insert_epi16, _mm_shuffle_pd): New macros.
3345
3346 2002-05-04  Kazu Hirata  <kazu@cs.umass.edu>
3347
3348         * dwarf2out.c: Fix formatting.
3349         * varasm.c: Likewise.
3350
3351 2002-05-04  David Edelsohn  <edelsohn@gnu.org>
3352
3353         PR c/6543
3354         * config/rs6000/rs6000.md (sCC pattern and splitter): Remove
3355         clobber and use result as temporary value.
3356
3357 Sat May  4 13:20:54 CEST 2002  Jan Hubicka  <jh@suse.cz>
3358
3359         * expr.c (force_operand): Use expand_simple_* to handle more
3360         cases.
3361
3362 2002-05-04  Neil Booth  <neil@daikokuya.demon.co.uk>
3363
3364         * c-lex.c (lex_string): Let cpp_parse_escape handles truncation
3365         and sign-extension.
3366         (lex_charconst): Update for change in prototype of
3367         cpp_interpret_charconst.  Extend from cppchar_t to HOST_WIDE_INT
3368         appropriately.
3369         * cpphash.h (BITS_PER_CPPCHAR_T): New.
3370         * cppinit.c (cpp_create_reader): Initialize them for no
3371         change in semantics.
3372         (cpp_post_options): Add sanity checks.
3373         * cpplex.c (cpp_parse_escape): Handle precision, sign-extension
3374         and truncation issues.  Calculate in type cppchar_t.
3375         (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Remove.
3376         (cpp_interpret_charconst): Calculate in type cppchar_t.  Handle
3377         run-time dependent precision correctly.  Return whether the
3378         result is signed or not.
3379         * cpplib.c (dequote_string): Use cppchar_t; update.
3380         * cpplib.h (cppchar_signed_t): New.
3381         struct cpp_options): New precision members.
3382         (cpp_interpret_charconst, cpp_parse_escape): Update prototypes.
3383         * cppexp.c (eval_token): Update.
3384
3385 2002-05-03  David S. Miller  <davem@redhat.com>
3386
3387         * config/sparc/sparc-protos.h (sparc_rtx_costs): New.
3388         * config/sparc/sparc.c (sparc_rtx_costs): New function
3389         implementing RTX_COSTS and CONST_COSTS.
3390         * config/sparc/sparc.h (CONST_COSTS): Delete.
3391         (RTX_COSTS_CASES): Define.
3392         (RTX_COSTS): Expand RTX_COSTS_CASES and use sparc_rtx_costs to do
3393         the work.
3394
3395         * config/sparc/sparc.md (DFA schedulers): Split out...
3396         * config/sparc/cypress.md, config/sparc/hypersparc.md,
3397         config/sparc/sparclet.md, config/sparc/supersparc.md,
3398         config/sparc/ultra1_2.md, config/sparc/ultra3.md: ... into here.
3399
3400         * config/sparc/sparc.c (LEAF_REGISTERS): Do not do ifdef
3401         checks on it, always defined for Sparc.
3402
3403         * config/sparc/sparc.h (REG_ALLOC_ORDER, REG_LEAF_ALLOC_ORDER):
3404         Tweak, and add more detailed comments.
3405
3406 2002-05-03  Zack Weinberg  <zack@codesourcery.com>
3407
3408         * Re-apply patch accidentally reverted with
3409         DFA scheduler merge: remove all rules and variables to slurp
3410         source files out of libiberty and rebuild them with HOST_CC.
3411         ($(HOST_PREFIX_1)varray.o): New rule.
3412         (genattrtab rule): Word wrap.
3413
3414 2002-05-03  Jason Thorpe  <thorpej@wasabisystems.com>
3415
3416         * config/i386/netbsd64.h (CPP_LP64_SPEC): Define.
3417         (CPP_SUBTARGET_SPEC): Define.
3418         (SUBTARGET_EXTRA_SPECS): Redefine, adding cpp_lp64 and
3419         cpp_subtarget specs.
3420         (CPP_SPEC): Redefine to include %(cpp_subtarget).
3421
3422 2002-05-03  David S. Miller  <davem@redhat.com>
3423
3424         * target-defs.h (TARGET_SCHED_CYCLE_DISPLAY): Delete.
3425         * target.h (struct gcc_target): Delete cycle_display member.
3426
3427         * config/ia64/ia64.c (ia64_emit_insn_before): Put it back.
3428         (rtx_needs_barrier): Delete reference to cycle_display unspec.
3429         (ia64_sched_reorder2): Mention need for cycle display handling
3430         once such notes exist.
3431
3432 2002-05-03  Richard Henderson  <rth@redhat.com>
3433
3434         * real.c (etoasc): Strip most trailing zeros for clarity.
3435         * sched-vis.c: Include real.h.
3436         (print_value): Use REAL_VALUE_TO_DECIMAL as needed.
3437         * Makefile.in (sched-vis.o): Add real.h.
3438
3439 2002-05-03  David S. Miller  <davem@redhat.com>
3440
3441         * haifa-sched.c (rank_for_schedule): Revert 2002-05-02 change,
3442         no longer needed.
3443
3444 2002-05-03  Aldy Hernandez  <aldyh@redhat.com>
3445
3446         * config/rs6000/rs6000.c (altivec_expand_binop_builtin): Error out
3447         when we get an out of range literal.
3448         (altivec_expand_ternop_builtin): Same.
3449         (altivec_expand_unop_builtin): Same.
3450         (altivec_expand_builtin): Same, for dss.
3451         (altivec_expand_builtin): Use trees instead of rtl when
3452         determining literal argument validity.
3453
3454 2002-05-03  David S. Miller  <davem@redhat.com>
3455
3456         Delete cycle display scheduling hook.
3457         * config/ia64/ia64.c (ia64_cycle_display,
3458         TARGET_SCHED_CYCLE_DISPLAY, ia64_emit_insn_before): Delete.
3459         (ia64_sched_reorder2): Don't check for CODE_FOR_cycle_display
3460         and use emit_insn_before instead of ia64_emit_insn_before.
3461         * config/ia64/ia64.md (unspec usage): Delete cycle display.
3462         (cycle_display): Delete insn pattern.
3463         * config/sparc/sparc.md (unspec usage): Delete cycle display.
3464         (cycle_display): Delete insn pattern.
3465         * config/sparc/sparc.c (sparc_cycle_display,
3466         TARGET_SCHED_CYCLE_DISPLAY): Delete.
3467         * doc/md.texi (cycle_display): Don't mention.
3468         * doc/tm.texi (TARGET_SCHED_CYCLE_DISPLAY): Likewise.
3469
3470 2002-05-03  Richard Henderson  <rth@redhat.com>
3471
3472         * recog.c (store_data_bypass_p, if_test_bypass_p): New.
3473         * recog.h: Declare them.
3474
3475         * config/sparc/sparc.c (ultrasparc_store_bypass_p): Remove.
3476         * config/sparc/sparc.md: Use store_data_bypass_p instead.
3477         * config/sparc/sparc-protos.h: Update.
3478
3479 2002-05-03  Jason Thorpe  <thorpej@wasabisystems.com>
3480
3481         * config/sparc/netbsd-elf.c (CPP_SUBTARGET_SPEC64): Remove
3482         -D__arch64__.  Add -D_LP64.
3483         (CPP_ARCH32_SPEC): Redefine to match the non-bi-arch version
3484         from sparc.h.
3485         (CPP_ARCH64_SPEC): Likewise.
3486         (NO_BUILTIN_PTRDIFF_TYPE): Undef.
3487         (NO_BUILTIN_SIZE_TYPE): Undef.
3488
3489 2002-05-03  Vladimir Makarov  <vmakarov@redhat.com>
3490
3491         * genautomata.c (min_issue_delay_pass_states): Change return type
3492         in the prototype.
3493         (min_issue_delay_pass_states): Change the algorithm.
3494         (min_issue_delay): Set up min_insn_issue_delay for the state.
3495         (output_min_issue_delay_table): Interchange the nested loops and
3496         and initiate min_insn_issue_delay for states.
3497
3498 Fri May  3 22:59:15 CEST 2002  Jan Hubicka  <jh@suse.cz>
3499
3500         * cfgcleanup.c (try_optimize_cfg):  Call merge_block only when
3501         jump is simplejump.
3502
3503 Fri May  3 22:53:37 CEST 2002  Jan Hubicka  <jh@suse.cz>
3504
3505         * i386.c  (expand_movstr, expand_clrstr): Fix inline-all-stringops
3506         sequence.
3507
3508 2002-05-03  Richard Henderson  <rth@redhat.com>
3509
3510         PR opt/6534
3511         * ifcvt.c (noce_try_store_flag, noce_try_store_flag_constants,
3512         noce_try_store_flag_inc, noce_try_store_flag_mask, noce_try_cmove,
3513         noce_try_cmove_arith, noce_try_minmax, noce_try_abs): Insert new
3514         code before JUMP, not EARLIEST.
3515
3516 2002-05-03  Joseph S. Myers  <jsm28@cam.ac.uk>
3517
3518         * c-format.c (check_format_info_main): Don't check for presence of
3519         parameter for * width until after operand number has been read,
3520         and only check for it if format parameters are available.
3521         Fixes PR c/6547.
3522
3523 2002-05-03  Jason Thorpe  <thorpej@wasabisystems.com>
3524
3525         * config/alpha/netbsd.h (CPP_PREDEFINES): Add -D_LP64.
3526         (LINK_SPEC): Undef before defining.
3527
3528 2002-05-03  Jakub Jelinek  <jakub@redhat.com>
3529
3530         PR preprocessor/6489
3531         * tradcpp.c (fixup_newlines): New.
3532         (main, finclude): Use it.
3533
3534 2002-05-03  Richard Sandiford  <rsandifo@redhat.com>
3535
3536         * config/mips/elf64.h (UNIQUE_SECTION): Use mips_unique_section.
3537         * config/mips/mips.c (mips_unique_section): Strip encoding from
3538         decl name.
3539
3540 2002-05-03  Jakub Jelinek  <jakub@redhat.com>
3541
3542         * config/i386/i386.c (ix86_expand_int_movcc): Truncate to proper
3543         mode.
3544
3545 2002-05-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3546
3547         * doc/install.texi (Installing): Mention GCC 3.1 buildstats.
3548         (Specific): Removed buildstats references.
3549         (Specific, hppa*-hp-hpux11): Adjust for GCC versions > 3.0.
3550         (Specific, sparc-sun-solaris2*): Update 64-bit hints for GCC 3.1.
3551         Accomodate Solaris versions beyond 8.
3552         (Specific, sparc-sun-solaris2.7): Update as path for GCC 3.1.
3553         (Specific, *-*-solaris2.8): Removed, obsolete.
3554
3555 2002-05-03  Jakub Jelinek  <jakub@redhat.com>
3556
3557         PR target/6542
3558         * config/sparc/sparc.h (leaf_reg_remap): Remove const.
3559         (CONDITIONAL_REGISTER_USAGE): For TARGET_FLAT make
3560         fill leaf_reg_remap with identity.
3561         * config/sparc/sparc.c (leaf_reg_remap): Remove const.
3562
3563 2002-05-03  Kazu Hirata  <kazu@cs.umass.edu>
3564
3565         * config/h8300/crti.asm: Remove trailing spaces.
3566         * config/h8300/h8300.c: Likewise.
3567         * config/h8300/lib1funcs.asm: Likewise.
3568
3569 2002-05-02  Jason Merrill  <jason@redhat.com>
3570
3571         * defaults.h (BOOL_TYPE_SIZE): Move default here from cp/decl.c.
3572         * c-decl.c (c_init_decl_processing): Use it.
3573         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Define to INT_TYPE_SIZE.
3574         * config/i960/i960.h (BOOL_TYPE_SIZE): Don't define.
3575         * config/mcore/mcore.h (BOOL_TYPE_SIZE): Don't define.
3576
3577 2002-05-03  Kazu Hirata  <kazu@cs.umass.edu>
3578
3579         * regrename.c: Fix formatting.
3580         * tree.c: Likewise.
3581
3582 Fri May  3 13:34:43 CEST 2002  Jan Hubicka  <jh@suse.cz>
3583
3584         * i386.md (attribute memory): Handle compares properly.
3585
3586 Fri May  3 10:51:38 CEST 2002  Jan Hubicka  <jh@suse.cz>
3587
3588         * i386.md (sse_clrsf, sse_clrsi): Set memory attribute
3589         to none.
3590
3591 2002-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3592
3593         * function.c: Fix formatting.
3594
3595 2002-05-02  Jan Hubicka  <jh@suse.cz>
3596
3597         * haifa-sched.c (schedule_insn): Print table of instructions and
3598         reservations.
3599         (sched_block): Do not print ready list at verbosity level 1.
3600         * sched-vis.c (print_insn): Make global.
3601         * sched-ebb.c (ebb_print_insn): Rename from...
3602         (print_insn): ... this one.
3603         * sched-int.h (print_insn): Declare
3604
3605 2002-05-02  Richard Henderson  <rth@redhat.com>
3606
3607         * haifa-sched.c (rank_for_schedule): Skip past last_scheduled_insn
3608         emitted by cycle_display.
3609
3610 2002-05-02  Loren J. Rittle  <ljrittle@acm.org>
3611
3612         * doc/install.texi (*-*-freebsd*): Update to latest status.
3613
3614 2002-05-02  Jakub Jelinek  <jakub@redhat.com>
3615
3616         PR target/6540
3617         * config.gcc (sparc*-*-solaris2*): Set float_format to i128.
3618         * config/float-sparc.h: Assume 128-bit long double if
3619         __LONG_DOUBLE_128__ is defined.
3620
3621 2002-05-02  Vladimir Makarov  <vmakarov@redhat.com>
3622
3623         * genattrtab.c (write_function_unit_info): Add a dummy element
3624         when num_units == 0.
3625
3626 2002-05-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3627
3628         * predict.c: (propagate_freq, estimate_bb_frequencies): Use
3629         TYPE_MODE (double_type_node) instead of DFmode.
3630
3631 Thu May  2 19:50:04 CEST 2002  Jan Hubicka  <jh@suse.cz>
3632
3633         * cfgrtl.c (try_redirect_by_replacing_jump): Do not kill computed
3634         jumps post reload.
3635         * toplev.c (rest_of_compilation): Revert Richard's patch.
3636
3637 2001-05-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3638
3639         * pa/x-ada (ADA_CFLAGS): Rename to X_ADA_CFLAGS.
3640
3641 2002-05-02  Catherine Moore  <clm@redhat.com>
3642
3643         * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Change r5 to r20.
3644
3645 2002-05-02  Kazu Hirata  <kazu@hxi.com>
3646
3647         * combine.c: Fix comment typos.
3648         * expr.c: Likewise.
3649         * genautomata.c: Likewise.
3650         * stmt.c: Likewise.
3651         * tree.h: Likewise.
3652
3653 2002-05-02  Joseph S. Myers  <jsm28@cam.ac.uk>
3654
3655         * doc/install.texi: State GNAT version requirements.
3656
3657 2002-05-02  Nick Clifton  <nickc@cambridge.redhat.com>
3658
3659         * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Accept any form
3660         of the frame pointer or arg pointer register which strict register
3661         checking is not enabled.
3662
3663 2002-05-02  Aldy Hernandez  <aldyh@redhat.com>
3664
3665         * gcc.dg/altivec-8.c: New.
3666
3667         * config/rs6000/rs6000.c (rs6000_legitimate_address): Disallow
3668         PRE_INC and PRE_DEC for altivec modes.
3669
3670 2002-05-01  Bruce Korb  <bkorb@gnu.org>
3671
3672         * fixinc/check.tpl(set-writable): make sure the function exists first
3673         * fixinc/inclhack.def(alpha_assert): fix test_text
3674         * fixinc/tests/base/assert.h: add in missing result
3675
3676 2002-05-01  Jeff Law  <law@redhat.com>
3677
3678         * pa.h (EXTRA_CONSTRAINT): Don't accept PIC addresses for the
3679         'T' constraint.
3680
3681 2002-05-01  Joel Brobecker  <brobecker@gnat.com>
3682
3683         * dbxout.c (dbxout_type): Emit size information for range types,
3684         as well, but only when using GDB extensions.
3685
3686 2002-05-01  Richard Henderson  <rth@redhat.com>
3687
3688         * configure.in (HAVE_GAS_HIDDEN): Replace SPARC feature test with
3689         target-independent gnu binutils date test.
3690
3691 2002-05-01  Richard Henderson  <rth@redhat.com>
3692
3693         * cfgcleanup.c (merge_blocks_move_successor_nojumps): Emit dump
3694         info before expunging the block.
3695
3696 2002-05-01  Jakub Jelinek  <jakub@redhat.com>
3697
3698         * cppinit.c (cpp_handle_option) [-dM]: Don't set no_output here...
3699         (cpp_post_options): ...but here.  Disable -dD, -dN and -dI when
3700         -M -or -MM is in effect.
3701
3702 2002-05-01  Zack Weinberg  <zack@codesourcery.com>
3703
3704         * config.gcc: Correct test of --enable-obsolete.  Obsolete all
3705         A29k configurations.
3706         * doc/install.texi: Update to match.
3707
3708 2002-05-01  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3709
3710         PR bootstrap/6514
3711         * varasm.c (globalize_decl): Compare DECL_ASSEMBLER_NAME to check
3712         for duplicates. Always loop over whole list.
3713
3714 Wed May  1 10:32:37 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3715
3716         * reload.c (find_reloads, case 'p'): Set BADOP to 0.
3717
3718 2002-05-01      Joel Sherrill <joel@OARcorp.com>
3719
3720         * config/sparc/t-elf (sparc-rtems, sparc-elf): Build assembly
3721         support routines.
3722
3723 2002-05-01      Joel Sherrill <joel@OARcorp.com>
3724
3725         * config/arm/rtems-elf.h: Add #undef TARGET_VERSION to prevent warning.
3726
3727 2002-05-01  David Edelsohn  <edelsohn@gnu.org>
3728
3729         * rs6000.md (abssi2_nopower): Convert to define_insn_and_split.
3730         (nabs_nopower): Same.
3731         (floatdisf2): New pattern.
3732         (absdi2): Convert to define_insn_and_split.
3733         (nabsdi2): Same.
3734         (trunctfsf2): Same.
3735         (floatditf2): Same.
3736         (floatsitf2): Same.
3737         (fix_trunctfdi2): Same.
3738         (fix_trunctfsi2): Same.
3739
3740 2002-05-01  Joseph S. Myers  <jsm28@cam.ac.uk>
3741
3742         * doc/install.texi: Update Texinfo version requirement
3743         documentation.
3744
3745 2002-05-01  Jakub Jelinek  <jakub@redhat.com>
3746
3747         PR target/6512, PR target/5628
3748         * config/sparc/sparc.md (movdf_insn_v9only_novis): Don't allow >= %f32
3749         when memory is not aligned.
3750         (movdf_insn_v9only_vis): Likewise.
3751         * config/sparc/sparc.h (SECONDARY_INPUT_RELOAD_CLASS): Request a FP_REGS
3752         temporary for EXTRA_FP_REGS DFmode load from unaligned memory.
3753         (SECONDARY_OUTPUT_RELOAD_CLASS): Similarly.
3754
3755 2002-05-01  Aldy Hernandez  <aldyh@redhat.com>
3756
3757         * gcc.dg/altivec-7.c: New.
3758
3759         * config/rs6000/altivec.h: Cleanup.
3760
3761 2002-04-30  Aldy Hernandez  <aldyh@redhat.com>
3762
3763         * doc/invoke.texi (Option Summary): Add -mvrsave=.
3764         (RS/6000 and PowerPC Options): Document -mvrsave=.
3765
3766         * config/rs6000/rs6000.c (rs6000_altivec_vrsave): New global.
3767         (rs6000_altivec_vrsave_string): Same.
3768         (rs6000_override_options): Call rs6000_parse_vrsave_option.
3769         (rs6000_parse_vrsave_option): New.
3770         (rs6000_stack_info): Only generate vrsave instructions when
3771         TARGET_ALTIVEC_VRSAVE.
3772
3773         * config/rs6000/rs6000.h (TARGET_OPTIONS): Add -mvrsave= option.
3774         (rs6000_altivec_vrsave_string): Define extern.
3775         (rs6000_altivec_vrsave): Same.
3776         (TARGET_ALTIVEC_VRSAVE): New.
3777
3778 2002-04-30  Richard Henderson  <rth@redhat.com>
3779
3780         PR opt/6516
3781         * toplev.c (rest_of_compilation): Don't run cross-jump before
3782         bb-reorder.
3783
3784 2002-04-30  Tom Rix  <trix@redhat.com>
3785
3786         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Sanity
3787         check which_alternative.
3788
3789 2002-04-30  Kazu Hirata  <kazu@hxi.com>
3790
3791         * cpplex.c: Fix comment formatting.
3792         * function.c: Likewise.
3793         * integrate.c: Likewise.
3794         * regrename.c: Likewise.
3795         * sibcall.c: Likewise.
3796         * simplify-rtx.c: Likewise.
3797         * tree-inline.c: Likewise.
3798
3799 2002-04-30  John David Anglin  <dave@hiauly1.hia.nrc.ca>
3800
3801         * config.gcc (hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-rtems*,
3802         hppa1.0-*-osf*, hppa1.1-*-bsd*, hppa1.1-*-hpux10*, hppa2*-*-hpux10*,
3803         hppa1.0-*-hpux10*, hppa*64*-*-hpux11*, hppa1.1-*-hpux11*,
3804         hppa2*-*-hpux11*, hppa1.0-*-hpux11*, hppa*-*-lites*): Define xmake_file.
3805         * pa/t-linux, pa/t-pa, pa/t-pa64, t-pro (T_ADAFLAGS): Delete.
3806         * pa/x-ada: New file.  Define ADA_CFLAGS.
3807
3808 2002-04-30  Hans-Peter Nilsson  <hp@bitrange.com>
3809
3810         * config/mmix/mmix.h (MMIX_LAST_STACK_REGISTER_REGNUM): Renamed
3811         from MMIX_LAST_REGISTER_FILE_REGNUM.
3812         (NO_IMPLICIT_EXTERN_C): Remove cryptic obsolete comment.
3813         (struct machine_function): New member highest_saved_stack_register
3814         previously static variable in mmix.c.
3815         (MACHINE_DEPENDENT_REORG): Define.
3816         * config/mmix/mmix.c (highest_saved_stack_register): Deleted.
3817         (MMIX_OUTPUT_REGNO): New.
3818         (mmix_target_asm_function_prologue): Move calculation of last used
3819         saved-stack-register into...
3820         (mmix_machine_dependent_reorg): New function.  Update to also handle
3821         !TARGET_ABI_GNU.
3822         (mmix_print_operand): Apply MMIX_OUTPUT_REGNO when emitting
3823         register names, simplify somewhat by new variable regno.
3824         <case 'p'>: Remove fixed FIXME.  Always emit highest used saved
3825         register.
3826         (mmix_print_operand_address): Apply MMIX_OUTPUT_REGNO when
3827         emitting register names.
3828         (mmix_asm_output_reg_push, mmix_asm_output_reg_pop): Ditto.
3829         (mmix_dbx_register_number): Apply MMIX_OUTPUT_REGNO here too.
3830         Remove fixed FIXME.
3831         * config/mmix/mmix-protos.h (mmix_machine_dependent_reorg):
3832         Declare.
3833
3834         * config/mmix/mmix.md ("divmoddi4"): Update head comment.
3835
3836 2002-04-30  Richard Henderson  <rth@redhat.com>
3837
3838         * config/sparc/sparc.c (emit_soft_tfmode_libcall,
3839         emit_soft_tfmode_binop, emit_soft_tfmode_unop, emit_soft_tfmode_cvt,
3840         emit_hard_tfmode_operation, emit_tfmode_binop, emit_tfmode_unop,
3841         emit_tfmode_cvt): New.
3842         * config/sparc/sparc.md (extendsftf2, extenddftf2, trunctfsf2,
3843         trunctfdf2, floatsitf2, floatunssitf2, floatditf2, floatunsditf2,
3844         fix_trunctfsi2, fixuns_trunctfsi2, fix_trunctfdi2, fixuns_trunctfdi2,
3845         addtf3, subtf3, multf3, divtf3, sqrttf2): Use them.
3846         * config/sparc/sparc-protos.h: Update.
3847
3848 2002-04-30  Janis Johnson  <janis187@us.ibm.com>
3849
3850         * install.texi (Final install): Add to the list of info to include
3851         in a report of a successful bootstrap, and add link to 3.1 list.
3852
3853 Tue Apr 30 19:15:36 CEST 2002  Jan Hubicka  <jh@suse.cz>
3854
3855         * i386.md (type): Add new SSE/MMX subtypes, remove usused fop1.
3856         (mode): Add vector modes
3857         (i387): Kill attribute.
3858         (unit): New attribute.
3859         (length_immediate): Grok new types.
3860         (prefix_data16, prefix_rep, prefix_0f): Fix for SSE/MMX.
3861         (modrm): Use "unit".
3862         (memory): Handle MMX/SSE properly.
3863         (scheduling descriptions): Kill uses of fop1.
3864         (sse, mmx, fp patterns): Set type and mode properly.
3865
3866 Tue Apr 30 09:31:59 2002  Jeffrey A Law  (law@cygnus.com)
3867
3868         * pa.c (override_options): Default to PA8000 scheduling.
3869         * doc/invoke.texi (HP-PA options): Mention newly added 7300
3870         scheduling parameter.
3871
3872         * pa.md (7100lc, 7200, 7300 scheduling): Slightly refine
3873         handling of double precision multiplies.
3874
3875         * pa.md (7100lc, 7200, 7300 scheduling): Refine handling of
3876         fpdiv and fpsqrt instructions.
3877         (7200 & 7300 scheduling): Fix typo in handling of
3878         store-load and store-store penalties.
3879
3880 2002-04-30  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
3881
3882         * doc/contrib.texi (Contributors): Use MIPS instead of Mips and
3883         mips.  Add two missing commas.
3884
3885 2002-04-30  Paolo Carlini  <pcarlini@unitus.it>
3886
3887         * doc/contrib.texi (Contributors): Update Paolo Carlini's
3888         and Benjamin Kosnik's entries.
3889
3890 2002-04-29  David S. Miller  <davem@redhat.com>
3891
3892         * config/sparc/sparc.h (BRANCH_COST, PREFETCH_BLOCK,
3893         SIMULTANEOUS_PREFETCHES): Tune for UltraSPARC-III.
3894         * config/sparc/sparc.md (call + jmp 32-bit peepholes): Likewise.
3895         * config/sparc/sparc.c (sparc_initialize_trampoline): Likewise.
3896
3897 2002-04-29  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
3898
3899         * combine.c (find_split_point): Use gen_int_mode.
3900
3901 2002-04-29  Vladimir Makarov  <vmakarov@redhat.com>
3902
3903         Merging code from dfa-branch:
3904
3905         2002-04-24  Vladimir Makarov  <vmakarov@redhat.com>
3906
3907         * genautomata.c (output_reserv_sets): Fix typo.
3908
3909         2002-04-23  Vladimir Makarov  <vmakarov@redhat.com>
3910
3911         * genautomata.c (output_reserv_sets): Remove
3912         next_cycle_output_flag.
3913
3914         Thu Apr 18 08:57:06 2002  Jeffrey A Law  (law@redhat.com)
3915
3916         * sched-rgn.c (init_ready_list): Make the DFA code handle
3917         USE/CLOBBER insns in the same way as the traditional
3918         scheduler.
3919         (new_ready): Similarly..
3920
3921         2002-04-17  Vladimir Makarov  <vmakarov@redhat.com>
3922
3923         * haifa-sched.c (schedule_block): Change the DFA state only after
3924         issuing insn.
3925
3926         Wed Apr 17 15:38:36 2002  Jeffrey A Law  (law@redhat.com)
3927
3928         * pa.c (hppa_use_dfa_pipeline_interface): New function.
3929         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define.
3930         (override_options): Add PA7300 scheduling support.
3931         (pa_adjust_cost): Update various comments.  Properly
3932         handle anti and output dependencies when using the
3933         DFA scheduler.
3934         (pa_issue_rate): Add PA7300 scheduling support.
3935         (pa_can_combine_p): Call extract_insn before calling
3936         constrain_operands (taken from mainline tree).
3937         * pa.h (enum processor_type): Add PROCESSOR_PA7300.
3938         * pa.md (cpu attr): Add 7300.  Rewrite pipeline
3939         descriptions using DFA descriptions.  Add PA7300
3940         scheduling support.
3941
3942         2002-03-30  David S. Miller  <davem@redhat.com>
3943
3944         Add UltraSPARC-III DFA scheduling support.
3945         * config/sparc/sparc.md (define_attr type): Add fpcrmove.
3946         Update FP conditional move on register insn patterns to use it, as
3947         appropriate.
3948         (define_attr cpu): Add ultrasparc3.
3949         (define_attr us3load_type): New, update integer load patterns to
3950         set it, as appropriate.
3951         (define_automaton): Add ultrasparc3_0 and ultrasparc3_1.
3952         (rest): Add UltraSPARC3 scheduling description.
3953         * config/sparc/sparc.h (TARGET_CPU_ultrasparc3): New.
3954         (PROCESSOR_ULTRASPARC3): New.
3955         ({ASM,CPP}_CPU64_DEFAULT_SPEC): Handle ultrasparc3.
3956         ({ASM,CPP}_CPU_SPEC): Likewise.
3957         (REGISTER_MOVE_COST): Likewise.
3958         (RTX_COSTS): Likewise.
3959         * config/sparc/sparc.c (sparc_override_options,
3960         sparc_initialize_trampoline, sparc64_initialize_trampoline,
3961         sparc_use_dfa_pipeline_interface, sparc_use_sched_lookahead,
3962         sparc_issue_rate): Likewise.
3963         * config/sparc/sol2.h: Likewise.
3964         * config/sparc/sol2-sld-64.h: Likewise.
3965         * config/sparc/linux64.h: Likewise.
3966
3967         2002-03-22  Vladimir Makarov  <vmakarov@redhat.com>
3968
3969         * doc/md.texi: Add comments about usage the latency time for the
3970         different dependencies and about case when two or more conditions
3971         in different define_insn_reservations returns TRUE for an insn.
3972
3973         * doc/md.texi: Add reference for automaton based pipeline
3974         description.
3975
3976         2002-03-04  Vladimir Makarov  <vmakarov@redhat.com>
3977
3978         * doc/passes.texi: Add missed information about genattrtab.
3979
3980         2002-03-01  Vladimir Makarov  <vmakarov@redhat.com>
3981
3982         * genautomata.c (output_automata_list_transition_code): Check
3983         automata_list on NULL.
3984
3985         2002-02-28  Vladimir Makarov  <vmakarov@redhat.com>
3986
3987         * genautomata.c (output_insn_code_cases,
3988         output_automata_list_min_issue_delay_code,
3989         output_automata_list_transition_code,
3990         output_automata_list_state_alts_code): Comment the functions.
3991
3992         2002-02-22  Vladimir Makarov  <vmakarov@redhat.com>
3993
3994         * genautomata.c (automata_list_el_t): New typedef.
3995         (get_free_automata_list_el,free_automata_list_el,
3996         free_automata_list, automata_list_hash, automata_list_eq_p,
3997         initiate_automata_lists, automata_list_start, automata_list_add,
3998         automata_list_finish, finish_automata_lists,
3999         output_insn_code_cases, output_automata_list_min_issue_delay_code,
4000         output_automata_list_transition_code,
4001         output_automata_list_state_alts_code, add_automaton_state,
4002         form_important_insn_automata_lists): New functions and prototypes.
4003         (insn_reserv_decl): Add members important_automata_list and
4004         processed_p.
4005         (ainsn): Add members important_p.
4006         (automata_list_el): New structure.
4007         (first_free_automata_list_el, current_automata_list,
4008         automata_list_table): New global variables.
4009         (create_ainsns): Initiate member important_p.
4010         (output_internal_min_issue_delay_func): Generate the switch and
4011         call output_insn_code_cases.
4012         (output_internal_trans_func, output_internal_state_alts_func):
4013         Ditto.
4014         (generate): Call initiate_automata_lists.
4015         (automaton_states): New global variable.
4016         (expand_automata): Call form_important_insn_automata_lists.
4017         (write_automata): Call finish_automata_lists.
4018
4019         2002-02-21  Vladimir Makarov  <vmakarov@redhat.com>
4020
4021         * genautomata.c (add_excls, add_presence_absence): Check that
4022         cpu units in the sets belong the same automaton.
4023
4024         * rtl.def (EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET): Add comment
4025         about that cpu units in the sets belong the same automaton.
4026
4027         * doc/md.texi: Ditto.
4028
4029         2001-12-20  Naveen Sharma  <naveens@noida.hcltech.com>
4030                     Nitin Gupta  <niting@noida.hcltech.com>
4031
4032         * config/sh/sh.c (sh_use_dfa_interface): New function.
4033
4034         (sh_issue_rate): New Function.
4035         TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE: define.
4036         TARGET_SCHED_ISSUE_RATE: define.
4037
4038         * config/sh/sh.md: Add DFA based pipeline description for SH4.
4039
4040         (define_attr insn_class): New attribute used for DFA
4041          scheduling.
4042         (define_insn cmpgtsi_t): Set attribute insn_class mt_group.
4043         (cmpgesi_t,cmpgtusi_t,cmpgeusi_t,cmpeqsi_t,
4044          cmpeqdi_t): Likewise.
4045
4046         (add,addc1,addsi3,subc,subc1,*subsi3_internal,
4047          negc,negsi2,ashldi3_k,lshrdi3_k,ashrdi3_k): Set insn_class
4048          ex_group.
4049         (iorsi3,rotlsi3_1,rotlsi3_31,rotlsi3_16): Likewise.
4050
4051         2001-10-03  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
4052
4053         * haifa-sched.c (queue_to_ready): Remove unnecessary condition for
4054         break.
4055
4056         2001-10-03  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
4057
4058         * genautomata.c (DFA_INSN_CODES_LENGTH_VARIABLE_NAME): New macro.
4059         (output_dfa_insn_code_func): Expand dfa_insn_codes if it is
4060         necessary.
4061         (output_dfa_start_func): Initiate new variable insn_codes_length,
4062         (write_automata): Output definition of the new variable.
4063
4064         2001-10-02  David S. Miller  <davem@redhat.com>
4065
4066         * haifa-sched.c (advance_one_cycle): New function.
4067         (schedule_block): Use it.
4068         (queue_to_ready): Use it, and also make sure to advance the DFA
4069         state on all stall cycles, not just those where insn_queue links
4070         are found.
4071
4072         2001-10-02  Richard Sandiford  <rsandifo@redhat.com>
4073
4074         * haifa-sched.c (max_issue): Remove last_p argument.  Only return
4075         non-zero if the highest-priority instruction could be scheduled.
4076         (choose_ready): Remove last argument from max_issue call.
4077
4078         2001-09-28  David S. Miller  <davem@redhat.com>
4079
4080         * config/sparc/sparc.c (sparc_use_sched_lookahead): Use 4 for
4081         ultrasparc and 3 for other multi-issue sparcs.
4082
4083         2001-09-27  David S. Miller  <davem@redhat.com>
4084
4085         * config/sparc/sparc.md (cycle_display): New pattern.
4086         * config/sparc/sparc.c (sparc_cycle_display): New.
4087         (TARGET_SCHED_CYCLE_DISPLAY): Set it.
4088
4089         2001-09-25  David S. Miller  <davem@redhat.com>
4090
4091         Convert all of Sparc scheduling to DFA
4092         * config/sparc/sparc.md: Kill all define_function_unit
4093         directives and replace with DFA equivalent.
4094         * config/sparc/sparc.c (ultrasparc_adjust_cost,
4095         mark_ultrasparc_pipeline_state, ultra_cmove_results_ready_p,
4096         ultra_fpmode_conflict_exists, ultra_find_type,
4097         ultra_build_types_avail, ultra_flush_pipeline,
4098         ultra_rescan_pipeline_state, ultrasparc_sched_reorder,
4099         ultrasparc_variable_issue, ultrasparc_sched_init,
4100         sparc_variable_issue, sparc_sched_reorder, ultra_code_from_mask,
4101         ultra_schedule_insn, ultra_code_names, ultra_pipe_hist,
4102         ultra_cur_hist, ultra_cycles_elapsed): Kill.
4103         (sparc_use_dfa_pipeline_interface, sparc_use_sched_lookahead,
4104         ultrasparc_store_bypass_p): New.
4105         * config/sparc/sparc-protos.h (ultrasparc_store_bypass_p):
4106         Declare.
4107
4108         2001-09-24  David S. Miller  <davem@redhat.com>
4109
4110         * haifa-sched.c (ready_remove): Fix thinko, we want to copy around
4111         ready->vec[foo] not ready[foo].
4112
4113         2001-09-07  Vladimir Makarov  <vmakarov@redhat.com>
4114
4115         * doc/md.texi: Correct examples for define_insn_reservations
4116         `mult' and `div'.
4117
4118         2001-09-07  Vladimir Makarov  <vmakarov@redhat.com>
4119
4120         * genautomata.c (create_automata): Print message about creation of
4121         each automaton.
4122         (generate): Remove printing meease about creation of
4123         automata.
4124
4125         2001-09-05  David S. Miller  <davem@redhat.com>
4126
4127         * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
4128         * config/sparc/linux64.h: Likewise.
4129
4130         2001-08-31  Vladimir Makarov  <vmakarov@redhat.com>
4131
4132         * haifa-sched.c (insn_cost, schedule_insn, queue_to_ready,
4133         schedule_block, sched_init, sched_finish): Add missed calls of
4134         use_dfa_pipeline_interface.
4135
4136         * sched-rgn.c (init_ready_list, new_ready, debug_dependencies):
4137         Ditto.
4138
4139         * sched-vis.c (get_visual_tbl_length): Ditto.
4140
4141         2001-08-27  Richard Henderson  <rth@redhat.com>
4142
4143         * genattr.c (main): Emit state_t even when not doing scheduling.
4144
4145         2001-08-27  Richard Henderson  <rth@redhat.com>
4146
4147         * genautomata.c (expand_automata): Always create a description.
4148
4149         2001-08-27  Vladimir Makarov  <vmakarov@touchme.toronto.redhat.com>
4150
4151         * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
4152         PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
4153         AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
4154         RTL constructions.
4155
4156         * genattr.c (main): New variable num_insn_reservations.  Increase
4157         it if there is DEFINE_INSN_RESERVATION.  Output automaton based
4158         pipeline hazard recognizer interface.
4159
4160         * genattrtab.h: New file.
4161
4162         * genattrtab.c: Include genattrtab.h.
4163         (attr_printf, check_attr_test, make_internal_attr,
4164         make_numeric_value): Move protypes into genattrtab.h.  Define them
4165         as external.
4166         (num_dfa_decls): New global variable.
4167         (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
4168         DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
4169         DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
4170         DEFINE_INSN_RESERVATION.  Call expand_automata and write_automata.
4171
4172         * genautomata.c: New file.
4173
4174         * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
4175
4176         * sched-int.h: (curr_state): Add the external definition for
4177         automaton pipeline interface.
4178         (haifa_insn_data): Add comments for members blockage and units.
4179
4180         * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
4181         TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
4182         TARGET_SCHED_DFA_PRE_CYCLE_INSN,
4183         TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
4184         TARGET_SCHED_DFA_POST_CYCLE_INSN,
4185         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
4186         TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
4187         macros.
4188         (TARGET_SCHED): Use the new macros.
4189
4190         * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
4191         dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
4192         first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
4193         dfa_bubble): New members in gcc_target.sched.
4194
4195         * haifa-sched.c (insert_schedule_bubbles_p): New variable.
4196         (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
4197         (insn_queue): Redefine it as pointer to array.
4198         (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
4199         INSN_QUEUE_SIZE.
4200         (max_insn_queue_index_macro_value): New variable.
4201         (curr_state, dfa_state_size, ready_try): New varaibles for
4202         automaton interface.
4203         (ready_element, ready_remove, max_issue): New function prototypes
4204         for automaton interface.
4205         (choose_ready): New function prototype.
4206         (insn_unit, blockage_range): Add comments.
4207         (unit_last_insn, unit_tick, unit_n_insns): Define them for case
4208         FUNCTION_UNITS_SIZE == 0.
4209         (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
4210         actual_hazard, potential_hazard): Add comments.
4211         (insn_cost): Use cost -1 as undefined value.  Remove
4212         LINK_COST_ZERO and LINK_COST_FREE.  Add new code for automaton
4213         pipeline interface.
4214         (ready_element, ready_remove): New functions for automaton
4215         interface.
4216         (schedule_insn): Add new code for automaton pipeline interface.
4217         (queue_to_ready): Add new code for automaton pipeline interface.
4218         Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
4219         (debug_ready_list): Print newline when the queue is empty.
4220         (max_issue): New function for automaton pipeline interface.
4221         (choose_ready): New function.
4222         (schedule_block): Add new code for automaton pipeline interface.
4223         Print ready list before scheduling each insn.
4224         (sched_init): Add new code for automaton pipeline interface.
4225         Initiate insn cost by -1.
4226         (sched_finish): Free the current automaton state and finalize
4227         automaton pipeline interface.
4228
4229         * sched-rgn.c: Include target.h.
4230         (init_ready_list, new_ready, debug_dependencies): Add new code for
4231         automaton pipeline interface.
4232
4233         * sched-vis.c: Include target.h.
4234         (get_visual_tbl_length): Add code for automaton interface.
4235         (target_units, print_block_visualization):  Add comments.
4236
4237         * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
4238         USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
4239         (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
4240         (getruntime.o, genautomata.o): New entries.
4241         (genattrtab.o): Add new dependency file genattrtab.h.
4242         (genattrtab): Add new dependencies.  Link it with `libm.a'.
4243         (getruntime.o, hashtab.o): New entries for canadian cross.
4244
4245         * doc/md.texi: Description of automaton based model.
4246
4247         * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
4248         Add comments.
4249         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
4250         TARGET_SCHED_DFA_PRE_CYCLE_INSN,
4251         TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
4252         TARGET_SCHED_DFA_POST_CYCLE_INSN,
4253         TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
4254         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
4255         TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
4256         hook descriptions.
4257         (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
4258         MAX_DFA_ISSUE_RATE): New macro descriptions.
4259
4260         * doc/contrib.texi: Add dfa based scheduler contribution.
4261
4262         * doc/gcc.texi: Add more information about genattrtab.
4263
4264 Mon Apr 29 17:19:10 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4265
4266         * reload1.c (eliminate_regs, case SUBREG): Fix typo in
4267         adjust_address_nv call.
4268
4269 2002-04-29  Janis Johnson  <janis187@us.ibm.com>
4270
4271         * doc/install.texi (Testing): Provide additional information, and
4272         a stronger encouragement, for running the testsuites.
4273
4274 2002-04-29  DJ Delorie  <dj@redhat.com>
4275
4276         * config/mips/mips.c (mips_parse_cpu): Warn if the CPU name is
4277         given in upper case.
4278
4279 2002-04-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4280
4281         * fixinc/inclhack.def (solaris_widec): Include <wchar.h> in
4282         Solaris 2 <widec.h> if missing.
4283         * fixinc/fixincl.x: Regenerate.
4284         * fixinc/tests/base/widec.h: New file.
4285
4286 2002-04-29  Nick Clifton  <nickc@cambridge.redhat.com>
4287
4288         * toplev.c (f_options): Add "profile" switch so that
4289         -fno-profile can be used to disable -p.
4290
4291 2002-04-29  Bernd Schmidt  <bernds@redhat.com>
4292
4293         * c-common.c (type_for_mode): Add support for V2DFmode, V2DImode,
4294         UV2DImode.
4295         * tree.c (build_common_tree_nodes_2): Likewise.
4296         * tree.h (enum tree_index): Likewise.
4297         (V2DF_type_node, V2DI_type_node, unsigned_V2DI_type_node): Define.
4298
4299         * config/i386/i386.c (bdesc_comi, bdesc_2arg, bdesc_1arg): Add SSE2
4300         entries.
4301         (init_mmx_sse_builtins): Initialize SSE2 builtins.
4302         (ix86_expand_builtin): Add support for SSE2 builtins.
4303         * config/i386/i386.h (VALID_SSE2_REG_MODE): New macro.
4304         (VALID_SSE_REG_MODE): Use it.
4305         (VECTOR_MODE_SUPPORTED_P): Allow SSE2 modes here as well.
4306         (enum ix86_builtins): Add SSE2 builtins.
4307         * config/i386/i386.md (movv2df_internal, movv2df, movv8hi_internal,
4308         movv8hi, movv16qi_internal, movv16qi, pushv2df, pushv8hi, pushv16qi,
4309         addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3, vmmulv2df3,
4310         divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3, vmsminv2df3,
4311         sse2_anddf3, sse2_nanddf3, sse2_iordf3, sse2_xordf3, sqrtv2df2,
4312         vmsqrtv2df2, maskcmpv2df3, maskncmpv2df3, vmmaskcmpv2df3,
4313         vmmaskncmpv2df3, sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb,
4314         sse2_maskmovdqu, sse2_movntv2df, sse2_movntti, sse2_movntsi, cvtdq2ps,
4315         cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq, cvtpd2pi,
4316         cvttpd2pi, cvtpi2pd, cvtsd2si, cvttsd2si, cvtsi2sd, cvtsd2ss,
4317         cvtss2sd, cvtpd2ps, cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3,
4318         ssaddv16qi3, ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3,
4319         subv4si3, subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3,
4320         mulv8hi3, smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
4321         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_clrti, sse2_uavgv16qi3,
4322         sse2_uavgv8hi3, sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd,
4323         sse2_pshuflw, sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3,
4324         gtv8hi3, gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3,
4325         ashrv8hi3, ashrv4si3, lshrv8hi3, lshrv4si3, sse2_lshrv2di3,
4326         ashlv8hi3, ashlv4si3, sse2_ashlv2di3, sse2_ashlti3, sse2_lshrti3,
4327         sse2_unpckhpd, sse2_unpcklpd, sse2_packsswb, sse2_packssdw,
4328         sse2_packuswb, sse2_punpckhbw, sse2_punpckhwd, sse2_punpckhdq,
4329         sse2_punpcklbw, sse2_punpcklwd, sse2_punpckldq, sse2_movapd,
4330         sse2_movupd, sse2_movdqa, sse2_movdqu, sse2_movdq2q, sse2_movq2dq,
4331         sse2_movhpd, sse2_movlpd, sse2_loadsd, sse2_movsd, sse2_storesd,
4332         sse2_shufpd, sse2_clflush, sse2_mfence, mfence_insn, sse2_lfence,
4333         lfence_insn): New patterns.
4334         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Renamed from
4335         sse_andti3_sse2, sse_nandti3_sse2, sse_iorti3_sse2, sse_xorti3_sse2.
4336
4337 Mon Apr 29 17:03:24 CEST 2002  Jan Hubicka  <jh@suse.cz>
4338
4339         * i386.md (sse_mov?fcc*): Revert patch of Mar 14th.
4340
4341 2002-04-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
4342
4343         * doc/contrib.texi (Contributors): Add Paolo Carlini and
4344         Janis Johnson.
4345         Update Richard Henderson, Jakub Jelinek, and Mark Mitchell.
4346         Refer to Objective-C instead of ObjC, SPARC instead of sparc,
4347         and CPU instead of cpu.
4348
4349 Mon Apr 29 13:36:41 CEST 2002  Jan Hubicka  <jh@suse.cz>
4350
4351         * toplev.c (flag_if_conversion, flag_if_conversion2): New static
4352         variables.
4353         (lang_independent_options): Add -fif-conversion, -fif-conversion2
4354         (rest_of_compilation): Do if conversion only when asked for.
4355         (parse_options_and_default_flags): Set new variables to 1 for -O1
4356         * invoke.texi (-fif-conversion, -fif-conversion2): Document.
4357
4358 Mon Apr 29 13:02:50 CEST 2002  Jan Hubicka  <jh@suse.cz>
4359
4360         * i386.c (dbx64_register_map): Fix typo.
4361
4362 Mon Apr 29 12:18:35 CEST 2002  Jan Hubicka  <jh@suse.cz>
4363
4364         * predict.c (real_zero, real_one, real_almost_one, real_br_prob_base,
4365         real_one_half, real_bb_freq_max): New static variables.
4366         (debug_profile_bbauxs): Kill.
4367         (process_note_predictions): Kill unused variable.
4368         (block_info_def, edge_info_def): Use REAL_VALUE_TYPE instead of
4369         volatile double.
4370         (propagate_freq): Use REAL_ARITHMETICS.
4371         (estimate_bb_frequencies): Likevise; init new static variables.
4372         * Makefile.in (predict.o): Add dependency on real.h
4373
4374 2002-04-28  David S. Miller  <davem@redhat.com>
4375
4376         PR target/6500
4377         * config/sparc/sparc.md (prefetch): Emit properly for 32-bit vs.
4378         64-bit TARGET_V9.  Do not use prefetch page, use prefetch for
4379         several {reads,writes} instead.
4380         * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
4381         Define.
4382
4383 2002-04-27  David S. Miller  <davem@redhat.com>
4384
4385         PR target/6494
4386         * config/sparc/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Be mindful
4387         of the stack bias.
4388
4389         * config/sparc/linux.h, config/sparc/linux64.h: Don't bother
4390         including signal.h and sys/ucontext.h, not needed.
4391
4392 2002-04-29  Hans-Peter Nilsson  <hp@bitrange.com>
4393
4394         * varasm.c (output_constant_def): Correct test for not calling
4395         ENCODE_SECTION_INFO for INTEGER_CST.
4396
4397 2002-04-29  Neil Booth  <neil@daikokuya.demon.co.uk>
4398
4399         * cppexp.c (lex): Move some code to _cpp_parse_expr, but
4400         keep most cases as function eval_token.
4401         (eval_token): New function.
4402         (_cpp_parse_expr): Read token here for improved diagnostics.
4403         Don't use op_as_text.  Detect bad ':' here.
4404         (reduce): Don't detect bad ':' here.
4405         (op_as_text): Remove.
4406         * cpphash.h (_cpp_test_assertion): Change prototype.
4407         * cpplib.c (_cpp_test_assertion): Change prototype.
4408
4409 2002-04-28  Richard Henderson  <rth@redhat.com>
4410
4411         PR c/5154
4412         * ggc-common.c (ggc_mark_rtx_children_1): Rename from...
4413         (ggc_mark_rtx_children): New.
4414
4415 2002-04-28  Jakub Jelinek  <jakub@redhat.com>
4416
4417         PR target/6496
4418         * config/sparc/sparc.md (call + jump 32-bit peepholes): Disable jump
4419         after call peepholes for UltraSPARC.
4420         (call + jump 64-bit peepholes): Remove.
4421
4422 2002-04-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
4423
4424         PR c/6497
4425         * config/rs6000/rs6000.md (sCC patterns): Remove clobber and use
4426         result as temporary value.
4427
4428 2002-04-28  Jakub Jelinek  <jakub@redhat.com>
4429
4430         PR c++/6396
4431         * toplev.c (rest_of_compilation): Only run regrename and copy
4432         propagation if optimizing.
4433
4434 2002-04-28  Jakub Jelinek  <jakub@redhat.com>
4435
4436         PR optimization/6475
4437         * reload1.c (alter_reg): Only call set_mem_expr if I is home pseudo
4438         register of REGNO_DECL (i).
4439         * Makefile.in (reload1.o): Add $(TREE_H).
4440
4441 2002-04-28  Neil Booth  <neil@daikokuya.demon.co.uk>
4442
4443         * cppexp.c (lex): Update to use state.skip_eval.
4444         (struct op): Remove prio and flags members.
4445         (FLAG_BITS, FLAG_MASK, PRIO_SHIFT, EXTRACT_PRIO, EXTRACT_FLAGS,
4446         SHORT_CIRCUIT, RIGHT_ASSOC, ..._PRIO, op_to_prio): Remove.
4447         (LEFT_ASSOC): New macro.
4448         (optab): New table of operator priorities and flags.
4449         (SHIFT): Update.
4450         (_cpp_parse_expr): Clean up logic.  Return bool.  Use a
4451         malloc-ed parser stack.
4452         (reduce): New; reduce the operator stack.
4453         (_cpp_expand_op_stack): Expand the operator stack as necessary.
4454         * cpphash.h (struct op): Predeclare.
4455         (struct cpp_reader): New members op_stack, op_limit.
4456         (struct lexer_state): New member skip_eval.
4457         (_cpp_parse_expr): Update.
4458         (_cpp_expand_op_stack): New.
4459         * cpplib.c (do_if): Update.
4460         * cppinit.c (cpp_create_reader): Create op stack.
4461         (cpp_destroy): And destroy it.
4462         * cpplib.h (CPP_LAST_CPP_OP): Correct.
4463         (TTYPE_TABLE): Correct.
4464
4465 2002-04-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
4466
4467         PR c/6343
4468         * c-decl.c (duplicate_decls): Call merge_weak.
4469         * c-pragma.c (apply_pragma_weak): Warn about misuse.
4470         * output.h (merge_weak): Prototype merge_weak.
4471         * varasm.c (merge_weak): New function.
4472         (declare_weak): Make sure we don't give an error on VAR_DECLs.
4473         Mark RTL with SYMBOL_REF_WEAK.
4474
4475 2002-04-27  Kurt Garloff <garloff@suse.de>
4476
4477         * tree-inline.c (inlinable_function_p): Improve heuristics
4478         by using a smoother function to cut down allowable inlinable size.
4479         * param.def: Add parameters max-inline-insns-single,
4480         max-inline-slope, min-inline-insns that determine the exact
4481         shape of the above function.
4482         * param.h: Likewise.
4483
4484 2002-04-26  Richard Henderson  <rth@redhat.com>
4485
4486         * c-parse.in (malloced_yyss, malloced_yyvs): New.
4487         (yyoverflow): Re-add.  Set them.
4488         (free_parser_stacks): New.
4489         * c-common.h: Declare it.
4490         * c-lex.c (c_common_parse_file): Call it.
4491
4492 2002-04-26  Richard Henderson  <rth@redhat.com>
4493
4494         * cfgrtl.c (tidy_fallthru_edge): Don't use next_real_insn
4495         for fallthru search.
4496
4497 2002-04-26  Eric Christopher  <echristo@redhat.com>
4498
4499         PR optimization/3700
4500         * config/mips/mips.c (mips_issue_rate): Define.  New function.
4501         (TARGET_SCHED_ISSUE_RATE): Use.
4502
4503 2002-04-25  David S. Miller  <davem@redhat.com>
4504
4505         PR target/6422
4506         * reorg.c (optimize_skip): Do not allow exception causing
4507         instructions to be considered for delay slots.
4508         (fill_simply_delay_slots, fill_slots_from_thread): Likewise.
4509         (relax_delay_slots): Do not try to consider exception causing
4510         instructions as redundant.
4511
4512 2002-04-26  Richard Henderson  <rth@redhat.com>
4513
4514         PR c/5225
4515         * c-typeck.c (build_unary_op) [CONVERT_EXPR]: Invoke non_lvalue.
4516
4517 2002-04-26  Mark Mitchell  <mark@codesourcery.com>
4518
4519         PR bootstrap/6445
4520         * config/i386/i386.md (untyped_call): Return the value in a float
4521         register if TARGET_FLOAT_RETURNS_IN_80387, not just if
4522         TARGET_80387.
4523
4524 2002-04-26  Alexandre Oliva  <aoliva@redhat.com>
4525
4526         * tree.c (tree_int_cst_lt): Compare constants whose types differ
4527         in unsigned-ness correctly.
4528
4529 2002-04-26  John David Anglin  <dave@hiauly1.hia.nrc.ca>
4530
4531         * pa.h (FUNCTION_OK_FOR_SIBCALL): Don't do sibcalls when using the
4532         portable runtime model.
4533
4534 2002-04-26  Richard Henderson  <rth@redhat.com>
4535
4536         * c-parse.in (yyoverflow): Revert.
4537
4538 2002-04-26  David Edelsohn  <edelsohn@gnu.org>
4539             Richard Henderson  <rth@redhat.com>
4540
4541         * config/rs6000/rs6000.md (sCC pattern): Remove clobber and use
4542         result as temporary value.
4543
4544 2002-04-26  Richard Henderson  <rth@redhat.com>
4545
4546         PR c/3581
4547         * c-common.c (fix_string_type): Split out of ...
4548         (combine_strings): ... here.  Take a varray, not a tree list.
4549         (c_expand_builtin_printf): Use fix_string_type.
4550         * c-common.h: Update decls.
4551         * c-parse.in (string): Remove.  Update all uses to use STRING
4552         instead, and not call combine_strings.
4553         (yylexstring): New.
4554         (_yylex): Use it.
4555         * c-typeck.c (simple_asm_stmt): Don't call combine_strings.
4556         (build_asm_stmt): Likewise.
4557         * objc/objc-act.c (my_build_string): Use fix_string_type.
4558         (build_objc_string_object): Build varray for combine_strings.
4559
4560 2002-04-26  Bo Thorsen  <bo@suse.co.uk>
4561
4562         * config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Define for
4563         x86-64.
4564
4565 2002-04-26  Neil Booth  <neil@daikokuya.demon.co.uk>
4566
4567         * cppexp.c (CPP_UMINUS, CPP_UPLUS): New.
4568         (HAVE_NO_R_OPERAND): Remove.
4569         (HAVE_VALUE): Remove.
4570         (op_to_prio): Update.
4571         (UNARY): Don't alter flags.
4572         (_cpp_parse_expr): want_value used to indicate whether
4573         a number or unary operator is expected next.  Distinguish
4574         unary and binary +/-.
4575         (op_as_text): Update for unary operators.
4576
4577 2002-04-25  Richard Henderson  <rth@redhat.com>
4578
4579         PR c/2161
4580         * c-parse.in (yyoverflow): New.
4581
4582 2002-04-25  Richard Henderson  <rth@redhat.com>
4583
4584         PR c/2098
4585         * c-common.c (shorten_compare): Simplfy conditions leading to
4586         the generation of a warning.
4587
4588 2002-04-25  Richard Henderson  <rth@redhat.com>
4589
4590         PR c/2035
4591         * expmed.c (extract_bit_field): Fall through to generic code rather
4592         than aborting on subreg special case.
4593
4594 2002-04-25  David S. Miller  <davem@redhat.com>
4595
4596         * config/sparc/sparc.h (FUNCTION_OK_FOR_SIBCALL): Add back check
4597         for DECL being NULL.
4598
4599 2002-04-25  Steve Christiansen  <smc@us.ibm.com>
4600
4601         * doc/md.texi (Machine Constraints): Add IA-64 constraints.
4602
4603 2002-04-25  Eric Botcazou  <ebotcazou@multimania.com>
4604
4605         * c-decl.c (grokdeclarator): Remove outdated ??? note
4606         on invalid declaration of flexible array members.
4607
4608 2002-04-25  Richard Henderson  <rth@redhat.com>
4609
4610         * doc/invoke.texi: Document -gdwarf{,-2} vs debug level.
4611
4612 2002-04-25  Ulrich Weigand  <uweigand@de.ibm.com>
4613
4614         * config/s390/s390.c (s390_emit_epilogue): Always restore registers
4615         needed by the compiler, even if they are used as global regs.
4616
4617 2002-04-25  Matt Hiller  <hiller@redhat.com>
4618
4619         * mips.c (mips_class_max_nregs, mips_register_move_cost): New
4620         functions.
4621         * mips.h (CLASS_MAX_NREGS, REGISTER_MOVE_COST): Redefine as calls
4622         of the corresponding functions.
4623         * mips-protos.h (mips_class_max_nregs, mips_register_move_cost):
4624         New prototypes.
4625
4626 2002-04-25  Matt Hiller  <hiller@redhat.com>
4627
4628         * config/mips/mips.h (mips_sw_reg_names): Declare as extern.
4629
4630         (ALL_COP_ADDITIONAL_REGISTER_NAMES): New macro.
4631         (FIRST_PSEUDO_REGISTER): Redefine considering coprocessor
4632         registers, adjust comment accordingly.
4633         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
4634         reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGISTER_NAMES,
4635         DEBUG_REGISTER_NAMES, REG_ALLOC_ORDER): Adjust to include entries
4636         for coprocessor registers.
4637         (ADDITIONAL_REGISTER_NAMES): Include
4638         ALL_COP_ADDITIONAL_REGISTER_NAMES.
4639
4640         (COP0_REG_FIRST, COP0_REG_LAST, COP0_REG_NUM,
4641         COP2_REG_FIRST, COP2_REG_LAST, COP2_REG_NUM,
4642         COP3_REG_FIRST, COP3_REG_LAST, COP3_REG_NUM,
4643         COP0_REG_P, COP2_REG_P, COP3_REG_P, ALL_COP_REG_P,
4644         COPNUM_AS_CHAR_FROM_REGNUM, COP_REG_CLASS_P): New macros.
4645
4646         (mips_char_to_class): Adjust comment to include coprocessor
4647         constraint letters.
4648
4649         * config/mips/mips.c (coprocessor_operand, coprocessor2_operand):
4650         New functions.
4651         (mips_reg_names, mips_regno_to_class): Include coprocessor
4652         information.
4653         (mips_sw_reg_names): Ditto, make non-static.
4654         (mips_move_1word): Handle moves to and from coprocessor registers.
4655         (mips_move_2words): Handle moves to and from coprocessor
4656         registers.
4657         (mips_class_max_nregs, mips_register_move_cost): Handle
4658         coprocessor register classes.
4659         (override_options): Initialize mips_char_to_class and
4660         mips_hard_regno_mode_ok properly for coprocessor registers.
4661
4662         * config/mips/mips.md (movdi_internal, movdi_internal2,
4663         movsi_internal1, movsi_internal2): Add constraint-sets for
4664         coprocessor registers.
4665         * testsuite/gcc.c-torture/mipscop-1.c: New testcase.
4666         * testsuite/gcc.c-torture/mipscop-1.x: Disable above if target
4667         isn't mips.
4668         * testsuite/gcc.c-torture/mipscop-2.c: New testcase.
4669         * testsuite/gcc.c-torture/mipscop-2.x: Disable above if target
4670         isn't mips.
4671         * testsuite/gcc.c-torture/mipscop-3.c: New testcase.
4672         * testsuite/gcc.c-torture/mipscop-3.x: Disable above if target
4673         isn't mips.
4674         * testsuite/gcc.c-torture/mipscop-4.c: New testcase.
4675         * testsuite/gcc.c-torture/mipscop-4.x: Disable above if target
4676         isn't mips.
4677
4678         * doc/tm.texi: Document feature.
4679
4680 2002-04-25  Neil Booth  <neil@daikokuya.demon.co.uk>
4681
4682         * integrate.c (function_attribute_inlinable_p): Simplify.
4683         Check the table pointer is not NULL.
4684
4685 2002-04-25  Steven Bosscher  <S.Bosscher@student.tudelft.nl>
4686
4687         * doc/c-tree.texi: Fix typo in introduction.
4688
4689 2002-04-25  Neil Booth  <neil@daikokuya.demon.co.uk>
4690
4691         * c-common.h (c_common_parse_file): Update.
4692         * c-lang.c (LANG_HOOKS_SET_YYDEBUG): Remove.
4693         * c-lex.c (YYDEBUG): Get from c-lex.h.
4694         (c_common_parse_file): Update.
4695         * c-lex.h (YYDEBUG, yydebug): New.
4696         * c-parse.in (YYDEBUG): Get from c-lex.h.
4697         (c_set_yydebug): Remove.
4698         * c-tree.h (c_set_yydebug): Remove.
4699         * langhooks-def.h (lhd_do_nothing_i): New.
4700         (lhd_set_yydebug, LANG_HOOKS_SET_YYDEBUG): Remove.
4701         (LANG_HOOKS_PARSE_FILE, LANG_HOOKS_INITIALIZER): Update.
4702         * langhooks.c  (lhd_do_nothing_i): New.
4703         (lhd_set_yydebug): Remove.
4704         * langhooks.h (struct lang_hooks): Update.
4705         * toplev.c (set_yydebug): New.
4706         (compile_file): Update call to parse_file hook.
4707         (decode_d_option): Update.
4708 objc:
4709         * objc-lang.c (LANG_HOOKS_SET_YYDEBUG): Remove.
4710
4711 Wed Apr 24 23:45:37 2002  J"orn Rennecke <joern.rennecke@superh.com>
4712
4713         * loop.c (load_mems): Don't change the interface of called functions.
4714
4715         * calls.c (expand_call): Take current_function_pretend_args_size
4716         into account when setting argblock for sibcalls.
4717
4718 2002-04-24  Matt Hiller  <hiller@redhat.com>
4719
4720         * cpplex.c: Remove conditional #undef of MULTIBYTE_CHARS.
4721         * c-lex.c: Ditto.
4722
4723         * cpplex.c (skip_line_comment): Process comment one multibyte
4724         character at a time rather than one char at a time, if
4725         appropriate.
4726         (parse_string): Process string one multibyte character at a time
4727         rather than one char at a time, if appropriate.
4728         * c-lex.c (lex_string): Lex and copy multibyte strings
4729         appropriately.
4730         * cpplib.h (cppchar_t): Change to unsigned.
4731
4732 2002-04-24  Richard Henderson  <rth@redhat.com>
4733
4734         PR c/3467
4735         * c-decl.c (grokdeclarator): Don't pedwarn variable sized arrays
4736         for c99.
4737
4738 Wed Apr 24 21:51:54 2002  J"orn Rennecke <joern.rennecke@superh.com>
4739
4740         * sh.c (sh_va_arg): If argument was passed by reference,
4741         dereference the pointer.
4742
4743         * sh.h (PIC_OFFSET_TABLE_REGNUM): Conditionalize on flag_pic.
4744
4745         * sh.md (divsi3_i4_media): Use match_operand for input values
4746         rather than hard registers.
4747         (divsi3 - TARGET_SHMEDIA_FPU case): Don't ferry values
4748         unnecessarily through hard registers.  Keep copies of pseudo
4749         registers outside of the libcall sequence.
4750
4751         * sh.md (casesi_shift_media): Add modes.
4752
4753         * sh.h (RETURN_IN_MEMORY): Return variable size BLKmode
4754         values in memory.
4755
4756 2002-04-24  Neil Booth  <neil@daikokuya.demon.co.uk>
4757
4758         * attribs.c (c_common_attribute_table): Move table and handlers
4759         to c-common.c.
4760         (format_attribute_table, lang_attribute_table,
4761         lang_attribute_common): Remove.
4762         (init_attributes): Replace NULL pointers with pointers to the
4763         empty table.
4764         (handle_packed_attribute, handle_nocommon_attribute,
4765         handle_common_attribute, handle_noreturn_attribute,
4766         handle_noinline_attribute, handle_always_inline_attribute,
4767         handle_used_attribute, handle_unused_attribute,
4768         handle_const_attribute, handle_transparent_union_attribute,
4769         handle_constructor_attribute, handle_destructor_attribute,
4770         handle_mode_attribute, handle_section_attribute,
4771         handle_aligned_attribute, handle_weak_attribute,
4772         handle_alias_attribute, handle_visibility_attribute,
4773         handle_no_instrument_function_attribute, handle_malloc_attribute,
4774         handle_no_limit_stack_attribute, handle_pure_attribute,
4775         handle_deprecated_attribute, handle_vector_size_attribute,
4776         vector_size_helper): Move to c-common.c.
4777         * c-common.c (c_common_attribute_table,
4778         handle_packed_attribute, handle_nocommon_attribute,
4779         handle_common_attribute, handle_noreturn_attribute,
4780         handle_noinline_attribute, handle_always_inline_attribute,
4781         handle_used_attribute, handle_unused_attribute,
4782         handle_const_attribute, handle_transparent_union_attribute,
4783         handle_constructor_attribute, handle_destructor_attribute,
4784         handle_mode_attribute, handle_section_attribute,
4785         handle_aligned_attribute, handle_weak_attribute,
4786         handle_alias_attribute, handle_visibility_attribute,
4787         handle_no_instrument_function_attribute, handle_malloc_attribute,
4788         handle_no_limit_stack_attribute, handle_pure_attribute,
4789         handle_deprecated_attribute, handle_vector_size_attribute,
4790         vector_size_helper): Move from attribs.c.
4791         * c-common.h (c_common_attribute_table,
4792         c_common_format_attribute_table): New.
4793         * c-lang.c (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE,
4794         LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Redefine.
4795         * langhooks-def.h (LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
4796         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_ATTRIBUTE_TABLE): New.
4797         (LANG_HOOKS_INITIALIZER): Update.
4798         * langhooks.h (struct lang_hooks): 3 new attribute hooks.
4799         * target-def.h (TARGET_ATTRIBUTE_TABLE): Default to NULL.
4800         * target.h: Update comment.
4801         * tree.c (default_target_attribute_table): Remove.
4802         * tree.h (default_target_attribute_table, format_attribute_table,
4803         lang_attribute_table, lang_attribute_common): Remove.
4804 objc:
4805         * objc-lang.c (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE,
4806         LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Redefine.
4807
4808 2002-04-24  Jason Merrill  <jason@redhat.com>
4809
4810         * dwarf2.h (enum dwarf_attribute): Add DW_AT_GNU_vector.
4811         * dwarf2out.c (dwarf_attr_name): Support it.
4812         (gen_array_type_die): Emit it.
4813         (lookup_type_die): No special handling for VECTOR_TYPE.
4814         (gen_type_die): Hand VECTOR_TYPE off to gen_array_type_die.
4815
4816 2002-04-24  Richard Henderson  <rth@redhat.com>
4817
4818         * config/mips/mips.md (movdi_usd): Renumber.
4819
4820 2002-04-24  David S. Miller  <davem@redhat.com>
4821
4822         PR target/6420
4823         * config/sparc/sparc.h (FUNCTION_OK_FOR_SIBCALL): Return false if
4824         32-bit Sparc and current_function_returns_struct is true.
4825
4826 Wed Apr 24 13:48:25 CEST 2002  Jan Hubicka  <jh@suse.cz>
4827
4828         * loop.c (canonicalize_condition): Use gen_int_mode.
4829
4830 2002-04-24  Aldy Hernandez  <aldyh@redhat.com>
4831
4832         * config/rs6000/altivec.h: Cleanup file.  Add non individual
4833         variants.
4834         (vec_vaddubm): New.
4835         (vec_vadduhm): New.
4836         (vec_vadduwm): New.
4837         (vec_vaddfp): New.
4838         (vec_vaddcuw): New.
4839         (vec_vaddubs): New.
4840         (vec_vaddsbs): New.
4841         (vec_vadduhs): New.
4842         (vec_vadduws): New.
4843         (vec_vaddsws): New.
4844         (vec_vand): New.
4845         (vec_vandc): New.
4846         (vec_vavgub): New.
4847         (vec_vavgsb): New.
4848         (vec_vavguh): New.
4849         (vec_vavgsh): New.
4850         (vec_vavguw): New.
4851         (vec_vavgsw): New.
4852         (vec_vrfip): New.
4853         (vec_vcmpbfp): New.
4854         (vec_vcmpequb): New.
4855         (vec_vcmpequh): New.
4856         (vec_vcmpequw): New.
4857         (vec_vcmpeqfp): New.
4858         (vec_vcmpgefp): New.
4859         (vec_vcmpgtub): New.
4860         (vec_vcmpgtsb): New.
4861         (vec_vcmpgtuh): New.
4862         (vec_vcmpgtsh): New.
4863         (vec_vcmpgtuw): New.
4864         (vec_vcmpgtsw): New.
4865         (vec_vcmpgtfp): New.
4866         (vec_vcmpgefp): New.
4867         (vec_vcfux): New.
4868         (vec_vcfsx): New.
4869         (vec_vctsxs): New.
4870         (vec_vctuxs): New.
4871         (vec_vexptefp): New.
4872         (vec_vrfim): New.
4873         (vec_lvx): New.
4874         (vec_lvebx): New.
4875         (vec_lvehx): New.
4876         (vec_lde): Add vector float variant.
4877         (vec_lvewx): New.
4878         (vec_lvxl): New.
4879         (vec_vlogefp): New.
4880         (vec_vmaddfp): New.
4881         (vec_vmhaddshs): New.
4882         (vec_vmaxub): New.
4883         (vec_vmaxsb): New.
4884         (vec_vmaxuh): New.
4885         (vec_vmaxsh): New.
4886         (vec_vmaxuw): New.
4887         (vec_vmaxsw): New.
4888         (vec_vmaxsw): New.
4889         (vec_vmaxfp): New.
4890         (vec_vmrghb): New.
4891         (vec_vmrghh): New.
4892         (vec_vmrghw): New.
4893         (vec_vmrglb): New.
4894         (vec_vmrglh): New.
4895         (vec_vmrglw): New.
4896         (vec_vminub): New.
4897         (vec_vminsb): New.
4898         (vec_vminuh): New.
4899         (vec_vminsh): New.
4900         (vec_vminuw): New.
4901         (vec_vminsw): New.
4902         (vec_vminfp): New.
4903         (vec_vmladduhm): New.
4904         (vec_vmhraddshs): New.
4905         (vec_msumubm): New.
4906         (vec_vmsummbm): New.
4907         (vec_vmsumuhm): New.
4908         (vec_vmsumshm): New.
4909         (vec_vmsumuhs): New.
4910         (vec_vmsumshs): New.
4911         (vec_vmuleub): New.
4912         (vec_vmulesb): New.
4913         (vec_vmuleuh): New.
4914         (vec_vmulesh): New.
4915         (vec_vmuloub): New.
4916         (vec_mulosb): New.
4917         (vec_vmulouh): New.
4918         (vec_vmulosh): New.
4919         (vec_vnmsubfp): New.
4920         (vec_vnor): New.
4921         (vec_vor): New.
4922         (vec_vpkuhum): New.
4923         (vec_vpkuwum): New.
4924         (vec_vpkpx): New.
4925         (vec_vpkuhus): New.
4926         (vec_vpkshss): New.
4927         (vec_vpkuwus): New.
4928         (vec_vpkswss): New.
4929         (vec_vpkshus): New.
4930         (vec_vpkswus): New.
4931         (vec_vperm): New.
4932         (vec_vrefp): New.
4933         (vec_vrlb): New.
4934         (vec_vrlh): New.
4935         (vec_vrlw): New.
4936         (vec_vrfin): New.
4937         (vec_vrsqrtefp): New.
4938         (vec_vsel): New.
4939         (vec_vslb): New.
4940         (vec_vslh): New.
4941         (vec_vslw): New.
4942         (vec_vsldoi): New.
4943         (vec_vsl): New.
4944         (vec_vslo): New.
4945         (vec_vspltb): New.
4946         (vec_vsplth): New.
4947         (vec_vspltw): New.
4948         (vec_vspltisb): New.
4949         (vec_vspltish): New.
4950         (vec_vspltisw): New.
4951         (vec_vsrb): New.
4952         (vec_vsrh): New.
4953         (vec_vsrw): New.
4954         (vec_vsrab): New.
4955         (vec_vsrah): New.
4956         (vec_vsraw): New.
4957         (vec_vsr): New.
4958         (vec_vsro): New.
4959         (vec_stvx): New.
4960         (vec_stvebx): New.
4961         (vec_stvehx): New.
4962         (vec_stvewx): New.
4963         (vec_stvxl): New.
4964         (vec_vsububm): New.
4965         (vec_vsubuhm): New.
4966         (vec_vsubuwm): New.
4967         (vec_vsubfp): New.
4968         (vec_vsubcuw): New.
4969         (vec_vsububs): New.
4970         (vec_vsubsbs): New.
4971         (vec_vsubuhs): New.
4972         (vec_vsubshs): New.
4973         (vec_vsubuws): New.
4974         (vec_vsubsws): New.
4975         (vec_vsum4ubs): New.
4976         (vec_vsum4sbs): New.
4977         (vec_vsum4shs): New.
4978         (vec_vsum2sws): New.
4979         (vec_vsumsws): New.
4980         (vec_vrfiz): New.
4981         (vec_vupkhsb): New.
4982         (vec_vupkhpx): New.
4983         (vec_vupkhsh): New.
4984         (vec_vupklsb): New.
4985         (vec_vupklpx): New.
4986         (vec_vupklsh): New.
4987         (vec_vxor): New.
4988
4989 2002-04-23  Eric Botcazou  <ebotcazou@multimania.com>
4990
4991         PR c/5430
4992         * fold-const.c (split_tree): Add MINUS_LITP parameter; separate
4993         added literals from substracted literals.
4994         (associate_trees): Don't convert MINUS_EXPR into PLUS_EXPR.
4995         (fold) [associate]: Preserve MINUS_EXPR if needed.
4996
4997 2002-04-23  Zack Weinberg  <zack@codesourcery.com>
4998
4999         * doc/install.texi: Clarify which versions of alpha*-dec-osf*
5000         are obsoleted.
5001
5002 2002-04-23  Tom Tromey  <tromey@redhat.com>
5003
5004         * gcc.c: Added --resource.  For PR java/6314.
5005
5006 2002-04-23  David O'Brien  <obrien@FreeBSD.org>
5007
5008         * cp/g++spec.c: Use profiled libstdc++ and libm with -p/-pg.
5009         * config/freebsd.h (MATH_LIBRARY_PROFILE): Use the _p verions of
5010         these libraries.
5011
5012 2002-04-23  David O'Brien  <obrien@FreeBSD.org>
5013
5014         * config/freebsd.h(OBJECT_FORMAT_ELF): Define.
5015
5016 Tue Apr 23 14:24:25 CEST 2002  Jan Hubicka  <jh@suse.cz>
5017
5018         * i386.c (ix86_output_addr_diff_elt): Avoid x86_64 binutils bug
5019         workaround.
5020         (ix86_expand_int_movcc): Avoid x86_64 compilation chrash.
5021         (ix86_expand_clrstr): Fix typo.
5022         * loop.c (gen_load_of_final_value): New.
5023         (loop_givs_rescan, strength_reduce, check_dbra_loop):
5024         Use it.
5025
5026 2002-04-23  Roger Sayle  <roger@eyesopen.com>
5027
5028         * builtins.c (builtin_memset_gen_str): New function.
5029         (expand_builtin_memset): Optimize the case of constant length, but
5030         unknown value.
5031
5032 2002-04-23  Aldy Hernandez  <aldyh@redhat.com>
5033
5034         * config/rs6000/altivec.h (vec_step): Remove extraneous
5035         parentheses.
5036         (vec_ctu): Cast return.
5037
5038 2002-04-23  Alan Modra  <amodra@bigpond.net.au>
5039
5040         PR target/6413
5041         * function.h: (struct function): Add profile_label_no field.
5042         (current_function_profile_label_no): Define.
5043         * function.c: (profile_label_no): New static var.
5044         (expand_function_start): Increment it, and copy to
5045         current_function_profile_label_no.
5046         * output.h (profile_label_no): Delete.
5047         * final.c (profile_label_no): Delete.
5048         (profile_function): Use current_function_profile_label_no.
5049         (final_end_function): Don't increment profile_label_no here.
5050         * config/i386/i386.c (ix86_osf_output_function_prologue): Replace
5051         profile_label_no with current_function_profile_label_no.
5052         * config/pa/pa.c (current_function_number): Delete.
5053         (pa_output_function_prologue): Don't output profile label here.
5054         (hppa_profile_hook): Use label_no param rather than
5055         current_function_number.
5056         (FUNC_BEGIN_PROLOG_LABEL): Move to ..
5057         * config/pa/pa.h: .. here.
5058         (FUNCTION_PROFILER): Output profile label here.
5059
5060 2002-04-22  Eric Christopher  <echristo@redhat.com>
5061
5062         * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Revert
5063         patch of 2002-04-09 due to binutils issues.
5064         (FUNCTION_ARG_REGNO_P): Ensure even numbered float register.
5065
5066 2002-04-22  Aldy Hernandez  <aldyh@redhat.com>
5067
5068         * config/rs6000/rs6000.md ("*movv4si_internal"): Change 'm'
5069         constraint to 'o' for m=r and r=m alternatives.
5070         ("*movv8hi_internal1"): Same.
5071         ("*movv16qi_internal1"): Same.
5072         ("*movv4sf_internal1"): Same.
5073
5074 2002-04-22  Janis Johnson  <janis187@us.ibm.com>
5075
5076         * rtl.h (RTX_FLAG): New macro.
5077         * emit-rtl.c (copy_most_rtx): Use macros to access rtx flags.
5078         * final.c (alter_subreg): Use macro to access rtx flag.
5079         * integrate.c (copy_rtx_and_substitute): Use new access macro.
5080         * print-rtl.c (print_rtx): Use new access macro.
5081
5082         * cse.c (insert): Check rtx code before accessing flag.
5083
5084         * genattrtab.c (ATTR_IND_SIMPLIFIED_P, ATTR_CURR_SIMPLIFIED_P,
5085         ATTR_PERMANENT_P, ATTR_EQ_ATTR_P): New.
5086         (attr_hash_add_string, attr_rtx_1, attr_copy_rtx, check_attr_test,
5087         convert_const_symbol_ref, make_canonical, make_alternative_compare,
5088         evaluate_eq_attr, attr_rtx_cost, simplify_test_exp_in_temp,
5089         simplify_test_exp, optimize_attrs, simplify_by_exploding,
5090         find_and_mark_used_attributes, unmark_used_attributes,
5091         add_values_to_cover, simplify_with_current_value,
5092         simplify_with_current_value_aux, clear_struct_flag, walk_attr_value,
5093         copy_rtx_unchanging, main): Use new access macros.
5094
5095 2002-04-22  Tom Rix  <trix@redhat.com>
5096
5097         * expmed.c (init_expmed): Generate shifted constant once.
5098
5099 2002-04-22  Zack Weinberg  <zack@codesourcery.com>
5100
5101         * c-lex.c (lex_charconst): Call convert to get constant in
5102         proper type; don't just smash the type field.
5103         Fixes PR c/6300.
5104
5105         * config.gcc: Add list of obsolete configurations.  Disallow
5106         building these without --enable-obsolete.
5107         * doc/install.texi: Document --enable-obsolete and obsoletion
5108         policy.  Mention obsoletion of individual targets in
5109         appropriate places.
5110
5111 2002-04-22  Richard Henderson  <rth@redhat.com>
5112
5113         * config/sparc/sol2-bi.h (ASM_DEBUG_SPEC): New.
5114
5115 2002-04-22  Mark Mitchell  <mark@codesourcery.com>
5116
5117         PR f/6138.
5118         * function.c (fixup_memory_subreg): Add promoted_mode parameter.
5119         (walk_fixup_memory_subreg): Likewise.
5120         (fixup_var_refs_insn): Adjust accordingly.
5121         (fixup_var_refs_1): Likewise.
5122
5123 2002-04-22  Ulrich Weigand  <uweigand@de.ibm.com>
5124
5125         * config/s390/linux.h: (LIBPATH_SPEC, LIBPATH_ARCH31_SPEC,
5126         LIBPATH_ARCH64_SPEC): Define.
5127         (EXTRA_SPECS): Add libpath, libpath_arch31, libpath_arch64.
5128         (STARTFILE_SPEC, ENDFILE_SPEC): Define; use libpath.
5129         (LINK_ARCH31_SPEC): Add libpath_arch31 to search path.
5130         (LINK_ARCH64_SPEC): Add libpath_arch64 to search path.
5131
5132 2002-04-22      Joel Sherrill <joel@OARcorp.com>
5133
5134         * gthr-rtems.h: Correct prototypes to remove warnings.
5135
5136 2002-04-22  Richard Henderson  <rth@redhat.com>
5137
5138         PR c/6344
5139         * alias.c (canon_true_dependence): Special case (mem:blk (scratch)).
5140
5141         * gcse.c (free_insn_expr_list_list): New.
5142         (clear_modify_mem_tables): Use it.  Fix bit set usage.
5143         (canon_list_insert): Use EXPR_LISTs for expressions.
5144         (record_last_mem_set_info): Factor BLOCK_NUM (insn).
5145
5146 2002-04-22  Neil Booth  <neil@daikokuya.demon.co.uk>
5147
5148         * cppfiles.c (_cpp_pop_file_buffer): Return void.  Move
5149         file change and include code to _cpp_pop_buffer.
5150         * cpphash.h (struct pending_option): Predeclare.
5151         (struct cpp_reader): New member next_include_file.
5152         (_cpp_pop_file_buffer): Update.
5153         (_cpp_push_next_buffer): Update, rename.
5154         * cppinit.c (cpp_destroy): Free include chain and pending here.
5155         (cpp_finish_options): Simplify.
5156         (_cpp_push_next_buffer): Rename and clean up.
5157         * cpplib.c (cpp_pop_buffer): Move code from _cpp_pop_file_buffer.
5158         Clarify.
5159         * cppmacro.c (cpp_scan_nooutput): Set return_at_eof here.
5160
5161 2002-04-22  Aldy Hernandez  <aldyh@redhat.com>
5162
5163         * config/rs6000/altivec.h (vec_xor): Add variant for both args
5164         being vector signed int.
5165         (vec_andc): Same.
5166         (vec_xor): Add variant for both args being vector signed char.
5167         Remove redundant variant.
5168         (vec_andc): Same.
5169
5170 2002-04-21  David S. Miller  <davem@redhat.com>
5171
5172         * config/sparc/sparc.md (set then compare DI mode peephole2): Fix
5173         compare mode in output RTL.
5174
5175 2002-04-22  David Edelsohn  <edelsohn@gnu.org>
5176
5177         * config/rs6000/rs6000.c (rs6000_override_options): Correct
5178         style and formatting of previous patch.
5179
5180 2002-04-22  Alan Modra  <amodra@bigpond.net.au>
5181
5182         * config/rs6000/rs6000.c (rs6000_override_options): Always clear
5183         flag_pic for ABI_AIX.
5184
5185 2002-04-21  Neil Booth  <neil@daikokuya.demon.co.uk>
5186
5187         * cppexp.c (struct op, parse_number): Replace U_CHAR with uchar.
5188         * cppfiles.c (read_include_file): Similarly.
5189         * cpphash.h (DSC, U_CHAR, ustrcmp, ustrncmp, ustrlen,
5190         uxstrdup ustrchr, ufputs): Similarly.
5191         * cppinit.c (TRIGRAPH_MAP, cpp_destroy): Similarly.
5192         * cpplex.c (parse_slow, unescaped_terminator_p, save_comment,
5193         cpp_ideq, parse_identifier, parse_number): Similarly.
5194         * cpplib.c (struct directive, dequote_string, D, run_directive,
5195         cpp_push_buffer): Similarly.
5196         * cppmacro.c (new_string_token, builtin_macro, cpp_quote_string,
5197         _cpp_create_definition, check_trad_stringification,
5198         cpp_macro_definition): Similarly.
5199
5200 2002-04-21  Neil Booth  <neil@daikokuya.demon.co.uk>
5201
5202         * cppmacro.c (funlike_invocation_p): Don't step back
5203         over CPP_EOF.
5204
5205 2002-04-21  David Edelsohn  <edelsohn@gnu.org>
5206
5207         * config/rs6000/rs6000.c (output_profile_hook): Do not increment
5208         labelno.
5209
5210 2002-04-20  Joseph S. Myers  <jsm28@cam.ac.uk>
5211
5212         * doc/invoke.texi: Remove Chill references.
5213         * doc/gcc.texi: Update last modified date.
5214
5215 2002-04-20  Kazu Hirata  <kazu@hxi.com>
5216
5217         * config/h8300/lib1funcs.asm (___mulsi3): Remove unnecessary
5218         push and pop.  Replace add.l with add.w.
5219
5220 2002-04-20  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
5221
5222         * config/h8300/lib1funcs.asm (___mulsi3): Use hardware
5223         multiply instructions for H8/300H case.
5224
5225 2002-04-20  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>
5226
5227         * config/h8300/lib1funcs.asm (___cmpsi2, ___ucmpsi2):
5228         Bum three instructions from each routine.
5229
5230 2002-04-20  Neil Booth  <neil@daikokuya.demon.co.uk>
5231
5232         * Makefile.in: Update.
5233         * decl.c (push_c_function_context, pop_c_function_context,
5234         mark_c_function_context): Rename for consistency.
5235         * c-objc-common.c (c_objc_common_init): Langhooks set elsewhere.
5236         * c-tree.h (push_c_function_context, pop_c_function_context,
5237         mark_c_function_context): Rename for consistency.
5238         * c-lang.c (LANG_HOOKS_FUNCTION_ENTER_NESTED,
5239         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK): Redefine.
5240         * function.c (init_lang_status, save_lang_status,
5241         restore_lang_status, mark_lang_status, free_lang_status):
5242         Move to langhooks.h.
5243         (push_function_context_to, pop_function_context_from,
5244         free_after_parsing, prepare_function_start, ggc_mark_struct_function):
5245         Update.
5246         * function.h (init_lang_status, save_lang_status,
5247         restore_lang_status, mark_lang_status, free_lang_status):
5248         Move to langhooks.h.
5249         * langhooks-def.h (LANG_HOOKS_FUNCTION_INIT,
5250         LANG_HOOKS_FUNCTION_FREE, LANG_HOOKS_FUNCTION_ENTER_NESTED,
5251         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK,
5252         LANG_HOOKS_FUNCTION_INITIALIZER): New.
5253         (LANG_HOOKS_INITIALIZER): Update.
5254         (lhd_do_nothing_f): New.
5255         * langhooks.h (struct lang_hooks_for_functions): New.
5256         (struct lang_hooks): New hooks.
5257         * langhooks.c (lhd_do_nothing_f): New.
5258 objc:
5259         * objc-lang.c (LANG_HOOKS_FUNCTION_ENTER_NESTED,
5260         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK): Redefine.
5261
5262 2002-04-19  David S. Miller  <davem@redhat.com>
5263
5264         * config/sparc/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
5265         * config/sparc/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Likewise.
5266
5267 2002-04-19  Jakub Jelinek  <jakub@redhat.com>
5268
5269         PR optimization/3756
5270         * config/i386/i386.c (ix86_expand_int_movcc): Optimize
5271         x = ((int) y < 0) ? cst1 : cst2.
5272
5273 2002-04-19  Jakub Jelinek  <jakub@redhat.com>
5274
5275         PR c/6358
5276         * function.c: Reapply patch for c/6358.
5277         (expand_function_end): Copy decl_rtl's mode, not
5278         current_function_return_rtx mode.
5279
5280 2002-04-19  Joel Sherrill  <joel@OARcorp.com>
5281
5282         * config/rtems.h (STARTFILE_SPEC, ENDFILE_SPEC): Fix for non-ELF
5283         targets.
5284
5285 2002-04-19  Tom Tromey  <tromey@redhat.com>
5286
5287         * doc/install.texi (Specific): Update status of Solaris 2.8.
5288         For PR libgcj/6158.
5289
5290 2002-04-19  Andreas Schwab  <schwab@suse.de>
5291
5292         * real.c: Allow sizeof (REAL_VALUE_TYPE) > 2*NE.
5293         (PUT_REAL): Restore old definition.
5294
5295 2002-04-19  Dan Nicolaescu  <dann@godzilla.ics.uci.edu>
5296             Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
5297
5298         * doc/install.texi (Specific, sparc-sun-solaris2*): Mention that
5299         binutils 2.11.2 and higher generate smaller binaries than Sun's
5300         native tools.
5301
5302 2002-04-19  Mark Mitchell  <mark@codesourcery.com>
5303
5304         PR c++/6352
5305         * toplev.c (rest_of_compilation): Do not defer functions for which
5306         TREE_SYMBOL_REFERENCED has already been set.
5307
5308 Fri Apr 19 15:53:03 CEST 2002  Jan Hubicka  <jh@suse.cz>
5309
5310         * i386.md (movsi_1, movhi_1): Force reload to use more flexible
5311         alternative.
5312
5313 2002-04-19  Neil Booth  <neil@daikokuya.demon.co.uk>
5314
5315         * builtins.c: Include langhooks.h.
5316         (lang_type_promotes_to): Remove.
5317         (expand_builtin_va_arg): Use new hook.
5318         * c-common.c (c_common_nodes_and_builtins): Don't set hook.
5319         (simple_type_promotes_to): Move to c-typeck.c.
5320         * c-common.h (simple_type_promotes_to): Remove.
5321         * c-decl.c (duplicate_decls, grokdeclarator): Update.
5322         * c-format.c: Include langhooks.h.
5323         (check_format_types): Update.
5324         * c-tree.h (c_type_promotes_to): New.
5325         * c-typeck.c (c_type_promotes_to): Move from c-common.c.
5326         (type_lists_compatible_p): Update.
5327         * langhooks-def.h (lhd_type_promotes_to): New.
5328         (LANG_HOOKS_TYPE_PROMOTES_TO): New.
5329         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update.
5330         * langhooks.c (lhd_type_promotes_to): New.
5331         * langhooks.h (struct lang_hooks_for_types): New hook.
5332         * tree.h (lang_type_promotes_to): Remove.
5333 objc:
5334         * objc-lang.c (LANG_HOOKS_TYPE_PROMOTES_TO): Redefine.
5335
5336 2002-04-18  Richard Henderson  <rth@redhat.com>
5337
5338         * function.c: Revert patch for c/6358.
5339
5340 2002-04-18  Richard Henderson  <rth@redhat.com>
5341
5342         * ifcvt.c (find_cond_trap): Handle cases with no proper THEN or JOIN
5343         blocks.  Handle multiple references to the TRAP block.  Handle
5344         non-adjacent THEN and OTHER blocks.
5345
5346 2002-04-18  Richard Henderson  <rth@redhat.com>
5347
5348         * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): Don't
5349         crash with no type for by-mode libcalls.
5350
5351         * config/ia64/ia64.md (conditional_trap): Fix predicate polarity.
5352
5353 2002-04-18  Bob Wilson  <bob.wilson@acm.org>
5354
5355         * config/xtensa/lib2funcs.S (__xtensa_libgcc_window_spill,
5356         __xtensa_nonlocal_goto): Use a syscall instructions to flush
5357         the register windows.
5358
5359 2002-04-18  Zack Weinberg  <zack@codesourcery.com>
5360
5361         * real.h: Define REAL_VALUE_TYPE_SIZE as 96 or 160, as
5362         appropriate.  Document need for extended precision even when
5363         MAX_LONG_DOUBLE_TYPE_SIZE is smaller.  Define REAL_WIDTH here,
5364         based on REAL_VALUE_TYPE_SIZE.  Use REAL_WIDTH to size
5365         REAL_VALUE_TYPE.  Define CONST_DOUBLE_FORMAT here.  Use #error
5366         instead of relying on later syntax error when REAL_WIDTH > 5.
5367         * real.c: Define NE based only on whether or not we have a
5368         full 128-bit extended type (not INTEL_EXTENDED_IEEE_FORMAT).
5369         Require sizeof(REAL_VALUE_TYPE) == 2*NE.  Unconditionally
5370         define GET_REAL and PUT_REAL as simple memcpy operations; no
5371         need to byteswap or round.
5372         Use #error instead of #ifdef-ing out the entire file, for
5373         prompt error detection.
5374
5375         * rtl.c, gengenrtl.c: No need to calculate CONST_DOUBLE_FORMAT here.
5376
5377 2002-04-18  David S. Miller  <davem@redhat.com>
5378
5379         * config/sparc/sparc.h (BRANCH_COST): Define.
5380
5381         * fold-const.c (BRANCH_COST): Don't provide default here, expr.h
5382         does it.
5383
5384 2002-04-18  Hans-Peter Nilsson  <hp@bitrange.com>
5385
5386         * flow.c (update_life_info): Ignore return value of cleanup_cfg.
5387         Mask out PROP_SCAN_DEAD_CODE | PROP_KILL_DEAD_CODE in
5388         propagate_block calls after relaxation loop using new variable
5389         stabilized_prop_flags.
5390
5391 2002-04-18  Richard Henderson  <rth@redhat.com>
5392
5393         * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): New.
5394         (ia64_va_arg): Expect variable sized types by reference.
5395         * config/ia64/ia64-protos.h: Update.
5396         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use
5397         ia64_function_arg_pass_by_reference.
5398
5399 2002-04-18  Richard Henderson  <rth@redhat.com>
5400
5401         * ifcvt.c: Include except.h.
5402         (block_has_only_trap): Break out from find_cond_trap.
5403         (find_cond_trap): Use it.  Always delete the trap block.
5404         (merge_if_block): Allow then block null.  Be less simplistic about
5405         what insns can end a block.
5406         * Makefile.in (ifcvt.o): Depend on except.h.
5407
5408         * config/ia64/ia64.md (trap, conditional_trap): New.
5409
5410 2002-04-18  Jakub Jelinek  <jakub@redhat.com>
5411
5412         PR c/6358
5413         * function.c (assign_parms): Assign hard current_function_return_rtx
5414         register here...
5415         (expand_function_end): ...not here.
5416
5417 2002-04-18  Neil Booth  <neil@daikokuya.demon.co.uk>
5418
5419         * c-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine.
5420         * c-tree.h (c_incomplete_type_error): New.
5421         * c-typeck.c (require_complete_type, build_component_ref): Update.
5422         (incomplete_type_error): Rename.
5423         * langhooks-def.h (lhd_incomplete_type_error): New.
5424         (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): New.
5425         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update.
5426         * langhooks.c (lhd_incomplete_type_error): New.
5427         * langhooks.h (struct lang_hooks_for_types): New hook.
5428         * tree.c (size_in_bytes): Use new hook.
5429         * tree.h (incomplete_type_error): Remove.
5430 objc:
5431         * objc-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine.
5432
5433 2002-04-18  Zack Weinberg  <zack@codesourcery.com>
5434
5435         * config/arc/arc.md: Remove #if HOST_FLOAT_FORMAT !=
5436         TARGET_FLOAT_FORMAT blocks.
5437
5438 2002-04-18  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
5439
5440         * doc/install.texi (Downloading the source): Do not mention Chill
5441         any longer, but mention Ada.
5442         (Configuration): Do not mention Chill any longer.
5443
5444 2002-04-18  Hans-Peter Nilsson  <hp@axis.com>
5445
5446         * config/cris/cris.h (TARGET_VERSION): Remove local version number.
5447
5448 Thu Apr 18 17:14:08 CEST 2002  Jan Hubicka  <jh@suse.cz>
5449
5450         * i386.h (SSE_FLOAT_MODE_P): Fix bogus conflict resolution
5451         in last patch.
5452
5453 2002-04-18  Jakub Jelinek  <jakub@redhat.com>
5454
5455         * fold-const.c (fold): Use (*lang_hooks.types.unsigned_type)
5456         instead of unsigned_type.
5457
5458 Thu Apr 18 15:49:12 CEST 2002  Jan Hubicka  <jh@suse.cz>
5459
5460         * i386.h (SSE_FLOAT_MODE_P): Kill bogus TARGET_SSE_MATH check.
5461         * i386.md (sse_mov?fcc*): Swap operands for cases they will be swapped
5462         later.
5463
5464 2002-04-18  Bernd Schmidt  <bernds@redhat.com>
5465
5466         * attribs.c (vector_type_node_list): New static variable.
5467         (handle_vector_size_attribute): Use it to avoid generating a
5468         new type node each time we are called.
5469
5470         * combine.c (subst): Avoid trying to make a vector mode subreg of
5471         an integer constant.
5472         (gen_lowpart_for_combine): Likewise.
5473
5474 2002-04-18  Roger Sayle  <roger@eyesopen.com>
5475             Jakub Jelinek  <jakub@redhat.com>
5476
5477         * fold-const.c (fold) [NOP_EXPR]: Convert (T)(x&c) into ((T)x&(T)c)
5478         for integer constant c (if x has unsigned type or sign bit is not
5479         set in c).  This folds the zero/sign extension into the bit-wise and
5480         operation.
5481
5482 2002-04-18  Jakub Jelinek  <jakub@redhat.com>
5483
5484         PR middle-end/6205
5485         * config/i386/i386.md (movsf_1): Use pxor only if TARGET_SSE2,
5486         otherwise xorps.
5487
5488 2002-04-17  NIIBE Yutaka  <gniibe@m17n.org>
5489
5490         * config/sh/elf.h: Undefine ASM_OUTPUT_CASE_LABEL.
5491
5492 2002-04-17  Nick Clifton  <nickc@cambridge.redhat.com>
5493
5494         * gcc.c (read_specs): Detect and fail if an attempt is made to
5495         rename a spec string to an already existing string.
5496
5497 2002-04-17  Ulrich Weigand  <uweigand@de.ibm.com>
5498
5499         * config/s390/s390.c (legitimize_pic_address): Do not generate
5500         illegal address constant without CONST.
5501
5502 2002-04-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5503
5504         * sparc/linux64.h (CC1_SPEC): Error for -m32 and -m64.
5505         * sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
5506
5507 2002-04-17  Ulrich Weigand  <uweigand@de.ibm.com>
5508
5509         PR optimization/6305
5510         * config/s390/s390.c (s390_expand_plus_operand): Use find_replacement
5511         to make sure previous reloads are taken into account.  Generate
5512         better code if one operand is an in-range immediate constant.
5513
5514 2002-04-16  Andrew Haley  <aph@cambridge.redhat.com>
5515
5516         * doc/install.texi (Building): libgcj requires GNU make.
5517
5518 2002-04-17  Jakub Jelinek  <jakub@redhat.com>
5519
5520         PR bootstrap/6315
5521         * config/sparc/sparc.md (movtf reg<-reg split): Allow spliting
5522         even if hard quad and register is not floating.
5523         (movtf reg<-mem split): Disallow splitting if hard quad and
5524         register is floating.
5525         (movtf mem<-reg split): Likewise.
5526         * config/sparc/sparc.c (fp_register_operand): New predicate.
5527         * config/sparc/sparc.h (PREDICATE_CODES): Add fp_register_operand.
5528
5529 2002-04-17  Zack Weinberg  <zack@codesourcery.com>
5530
5531         * Makefile.in (PROTO_OBJS): Add cppdefault.o.
5532         (protoize.o): Take $(PREPROCESSOR_DEFINES) off command line.
5533         (unprotoize.o): Ditto.  Build from protoize.c.  Define
5534         UNPROTOIZE on command line.
5535         * protoize.c: Include cppdefault.h.  Delete include_defaults.
5536         (in_system_include_dir): Use cpp_include_defaults (defined in
5537         cppdefault.o).
5538         * unprotoize.c: Delete file.
5539
5540 2002-04-17  Aldy Hernandez  <aldyh@redhat.com>
5541
5542         * config/rs6000/altivec.h (vec_ld): Add array variants.
5543         (vec_lde): Same.
5544         (vec_ldl): Same.
5545
5546 2002-04-17  Alan Matsuoka  <alanm@redhat.com>
5547             Aldy Hernandez <aldyh@redhat.com>
5548
5549         * config/rs6000/altivec.h: Define __ALTIVEC__.
5550         (bool): New.
5551         (__pixel): New.
5552         (pixel): New.
5553         (vec_cfux): New.
5554         (vec_vmaddfp): New.
5555         (vec_vsldoi): New.
5556         Add parentheses to all macro arguments.
5557
5558 2002-04-16  Richard Henderson  <rth@redhat.com>
5559
5560         PR c++/6320
5561         * except.c (remove_eh_handler): Insert inner regions at beginning
5562         of sibling chain.  Refactor expressions.
5563
5564 2002-04-16  Richard Henderson  <rth@redhat.com>
5565
5566         * config/sparc/sol2-bi.h (AS_SPARC64_FLAG): New.
5567         * config/sparc/sol2-gas-bi.h: New file.
5568         * config.gcc (sparc*-solaris): Add it as needed.
5569         * configure.in (AS_SPARC64_FLAG): Remove check.
5570         * config.in, configure: Regenerate.
5571
5572         * config/sparc/sol2-bi.h (CC1_SPEC): Error for -m32 and -m64.
5573
5574 2002-04-16  Richard Henderson  <rth@redhat.com>
5575
5576         * config/mips/mips.c (override_options): Don't override N32 for
5577         a 64-bit ISA.
5578
5579         PR 6202
5580         * config/mips/mips.md (can_delay): Split out of existing define_delays.
5581         (HILO_delay): Set can_delay false.
5582
5583 2002-04-16  Dale Johannesen <dalej@apple.com>
5584
5585         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Compute
5586         instruction addresses.
5587         (rs6000_output_function_epilogue): Likewise.
5588
5589 2002-04-16  Paolo Carlini  <pcarlini@unitus.it>
5590
5591         * c-parse.in (poplevel, compstmt_start,
5592         compstmt_primary_start): Add ending ';', in accordance
5593         with POSIX.
5594
5595 2002-04-16  Richard Henderson  <rth@redhat.com>
5596
5597         * config.gcc (sparcv9-solaris): Configure for 64-bit default.
5598         Adjust tm_file order to get TARGET_DEFAULT set properly.
5599         (sparc-solaris): Configure 2.[78] for 64-bit multilibs.
5600         * doc/install.texi (sparc-solaris): Update.
5601
5602 2002-04-16  Dale Johannesen <dalej@apple.com>
5603
5604         * config/rs6000/rs6000.c (rs6000_emit_cmove): Fail if modes of
5605         comparison operands do not match each other or if modes of
5606         conditions do not match result.
5607
5608 2002-04-16  Hartmut Penner <hpenner@de.ibm.com>
5609
5610         PR target/6305
5611         * config/s390/s390.md (mulsidi3): Set both subregs of the
5612         multiword register.
5613
5614 2002-04-16  Aldy Hernandez  <aldyh@redhat.com>
5615
5616         * config/rs6000/altivec.h (vec_addc): Type check.
5617
5618 2002-04-16  Jakub Jelinek  <jakub@redhat.com>
5619
5620         PR middle-end/6279
5621         * expr.c (store_expr): Don't copy if DECL_RTL (exp) == target.
5622
5623         * expr.c (safe_from_p): Cleanup: use DECL_RTL_IF_SET.
5624
5625 2002-04-15  Richard Henderson  <rth@redhat.com>
5626
5627         * config/mips/abi64.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Set
5628         call_really_used_regs too.
5629
5630 2002-04-15  Richard Henderson  <rth@redhat.com>
5631
5632         * config/alpha/gnu.h (CPP_PREDEFINES): Underscores for gnu_hurd.
5633
5634 2002-04-15  David S. Miller  <davem@redhat.com>
5635
5636         * rtlanal.c (note_stores): Don't present PARALLEL SET_DESTs
5637         as being CLOBBERed.
5638
5639 2002-04-16  Jakub Jelinek  <jakub@redhat.com>
5640
5641         PR c/6290
5642         * config/rs6000/rs6000.c (easy_vector_constant): Return 1 if the
5643         CONST_VECTOR is { 0, ... 0 }.
5644
5645 2002-04-15  Loren J. Rittle  <ljrittle@acm.org>
5646
5647         * doc/install.texi (Installing GCC: Configuration): Clarify
5648         the only supported ways to configure gcc.
5649
5650 2002-04-15  Roland McGrath  <roland@frob.com>
5651
5652         * config.gcc (alpha*-*-gnu*): New target configuration.
5653         * config/alpha/gnu.h: New file for it.
5654         * config/gnu.h (TARGET_MEM_FUNCTIONS): #undef before #define.
5655
5656 2002-04-16  Mark Mitchell  <mark@codesourcery.com>
5657
5658         * c-common.h (STMT_EXPR_NO_SCOPE): New macro.
5659         * c-common.c (c_expand_expr): Respect STMT_EXPR_NO_SCOPE.
5660         * tree.h (expand_start_stmt_expr): Update prototype.
5661         * stmt.c (expand_start_stmt_expr): Add has_scope parameter.
5662         * tree-inline.c (expand_call_inline): Set STMT_EXPR_NO_SCOPE
5663         on the STMT_EXPR created for the inline function.
5664
5665 2002-04-15  Richard Henderson  <rth@redhat.com>
5666
5667         * config/alpha/linux.h, config/arm/linux-elf.h, config/i370/linux.h,
5668         config/i386/linux-aout.h, config/i386/linux-oldld.h,
5669         config/i386/linux.h, config/i386/linux64.h, config/ia64/linux.h,
5670         config/m68k/linux-aout.h, config/m68k/linux.h, config/mips/linux.h,
5671         config/pa/pa-linux.h, config/pj/linux.h, config/s390/linux.h,
5672         config/sh/linux.h, config/sparc/linux-aout.h, config/sparc/linux.h,
5673         config/sparc/linux64.h, config/xtensa/linux.h (CPP_PREDEFINES):
5674         Define __gnu_linux__, not gnu_linux.
5675         * config/rs6000/sysv4.h (CPP_OS_GNU_SPEC): Likewise for gnu_hurd.
5676
5677 2002-04-15  Mark Mitchell  <mark@codesourcery.com>
5678
5679         Remove Chill front end.
5680         * gcc.c (default_compilers): Remove Chill entries.
5681         * ch: Remove directory.
5682         * doc/frontends.texi: Remove information about Chill.
5683         * doc/sourcebuild.texi: Likewise.
5684         * doc/standards.texi: Likewise.
5685
5686 2002-04-15  Douglas B Rupp  <rupp@gnat.com>
5687
5688         * config/alpha/vms.h (INCLUDE_DEFAULTS): Add /gnu/lib/gcc-lib/include.
5689         (LONGLONG_STANDALONE): Define.
5690
5691 2002-04-15  David S. Miller  <davem@redhat.com>
5692
5693         * config/sparc/sparc.c (sparc_emit_float_lib_cmp):
5694         Call emit_library_call with LCT_NORMAL.
5695         (sparc_initialize_trampoline): Use LCT_foo instead of
5696         magic constant in emit_library_call invocations.
5697         (sparc64_initialize_trampoline): Likewise.
5698         (sparc_profile_hook): Likewise.
5699         * config/sparc/sparc.md: Likewise.
5700
5701         * config/sparc/sparc.c (sparc_extra_constraint_check):
5702         Fix type of argument 'c'.
5703         * config/sparc/sparc-protos.h (sparc_extra_constraint_check):
5704         Likewise.
5705
5706 2002-04-15  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>
5707
5708         * diagnostic.h (output_buffer_state): Redefine.
5709         (output_format_decoder): New macro.
5710         (output_prefixing_rule): Likewise.
5711         (output_line_cutoff): Likewise.
5712         (diagnostic_format_decoder): Adjust.
5713         (diagnostic_prefixing_rule): Likewise.
5714         (diagnostic_line_cutoff): Likewise.
5715         (diagnostic_state): Likewise.
5716         (diagnostic_kind_count): Likewise.
5717         (diagnostic_buffer): Now a macro.
5718
5719         * diagnostic.c (diagnostic_buffer): Remove definition.
5720         (output_is_line_wrapping): Adjust.
5721         (set_real_maximum_length): Likewise.
5722         (output_set_maximum_length): Likewise.
5723         (init_output_buffer): Likewise.
5724         (lhd_print_error_function): Likewise.
5725         (output_do_verbatim): Likewise.
5726
5727 2002-04-14  Neil Booth  <neil@daikokuya.demon.co.uk>
5728
5729         * cpperror.c (print_location): Don't print include chain
5730         if line == 0.
5731         (cpp_begin_message): Update to use DL_ macros.
5732         (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
5733         cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
5734         cpp_notice, cpp_notice_from_errno): Remove.
5735         (cpp_error, cpp_error_with_line): Update to take a diagnostic
5736         level.
5737         (cpp_errno): New.
5738         * cppexp.c (CPP_ICE): Remove.
5739         (SYNTAX_ERROR, SYNTAX_ERROR2, parse_number, parse_defined,
5740         lex, integer_overflow, _cpp_parse_expr): Update.
5741         * cppfiles.c (read_include_file, find_include_file,
5742         handle_missing_header, _cpp_read_file, remap_filename): Update.
5743         * cpphash.h (enum error_type): Remove.
5744         (_cpp_begin_message): Update.
5745         * cppinit.c (append_include_chain, remove_dup_dirs, output_deps,
5746         cpp_handle_option, cpp_post_options): Update.
5747         * cpplex.c (trigraph_p, skip_escaped_newlines, skip_block_comment,
5748         skip_whitespace, parse_identifier, parse_slow, parse_string,
5749         _cpp_lex_direct, cpp_spell_token, maybe_read_ucs, cpp_parse_escape,
5750         cpp_interpret_charconst): Update.
5751         * cpplib.c (check_eol, directive_diagnostics, _cpp_handle_directive,
5752         lex_macro_node, do_undef, glue_header_name, parse_include,
5753         do_include_common, read_flag, do_line, do_linemarker, do_ident,
5754         cpp_register_pragma, do_pragma_once, do_pragma_system_header,
5755         do_pragma_poison, do_pragma_dependency, _cpp_do__Pragma, do_else,
5756         do_elif, do_endif, parse_answer, parse_assertion, do_assert,
5757         _cpp_pop_buffer, do_diagnostic): Update.
5758         * cpplib.h (DL_WARNING, DL_WARNING_SYSHDR, DL_PEDWARN, DL_ERROR,
5759         DL_FATAL, DL_ICE, DL_EXTRACT, DL_WARNING_P): New.
5760         (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
5761         cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
5762         cpp_notice, cpp_notice_from_errno): Remove.
5763         (cpp_error, cpp_error_with_line): Update to take a diagnostic
5764         level.
5765         (cpp_errno): New.
5766         * cppmacro.c (builtin_macro, stringify_arg, paste_all_tokens,
5767         collect_args, enter_macro_context, save_parameter, parse_params,
5768         _cpp_create_definition, check_trad_stringification,
5769         cpp_macro_definition): Update.
5770         * cppmain.c (cpp_preprocess_file): Update.
5771         * fix-header.c (read_scan_file): Update.
5772
5773 2002-04-14  Andreas Schwab  <schwab@suse.de>
5774
5775         * config/ia64/linux.h (CPP_PREDEFINES): Fix missing backslash.
5776
5777 2002-04-14  Jeroen Dobbelaere  <jeroen.dobbelaere@acunia.com>
5778
5779         * config/arm/linux-elf.h (CPLUSPLUS_CPP_SPEC): Define.
5780
5781 2002-04-13  Mark Mitchell  <mark@codesourcery.com>
5782
5783         * config/i386/gnu.h (CPP_PREDEFINES): Define __gnu_hurd__,
5784         not gnu_hurd.
5785
5786 2002-04-13  Hans-Peter Nilsson  <hp@axis.com>
5787
5788         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC): Fix typo.
5789
5790 2002-04-13      Joel Sherrill <joel@OARcorp.com>
5791
5792         * config/sparc/t-elf: Enable v8 multilibs.  Impacts
5793         sparc-elf and sparc-rtems targets.
5794
5795 2002-04-13  Mark Mitchell  <mark@codesourcery.com>
5796
5797         * alpha/linux.h: Define __gnu_linux__ wherever __linux__ is
5798         defined, and __gnu_hurd__ wherever __GNU__ is defined.
5799         * arm/linux-elf.h: Likewise.
5800         * cris/aout.h: Likewise.
5801         * cris/linux.h: Likewise.
5802         * i370/linux.h: Likewise.
5803         * i386/gnu.h: Likewise.
5804         * i386/linux-aout.h: Likewise.
5805         * i386/linux-oldld.h: Likewise.
5806         * i386/linux.h: Likewise.
5807         * i386/linux64.h: Likewise.
5808         * ia64/linux.h: Likewise.
5809         * m68k/linux-aout.h: Likewise.
5810         * m68k/linux.h: Likewise.
5811         * mips/linux.h: Likewise.
5812         * pa/pa-linux.h: Likewise.
5813         * pj/linux.h: Likewise.
5814         * rs6000/sysv4.h: Likewise.
5815         * s390/linux.h: Likewise.
5816         * sh/linux.h: Likewise.
5817         * sparc/linux-aout.h: Likewise.
5818         * sparc/linux.h: Likewise.
5819         * sparc/linux64.h: Likewise.
5820         * xtensa/linux.h: Likewise.
5821
5822 2002-04-13  Richard Sandiford  <rsandifo@redhat.com>
5823
5824         * stmt.c (check_unique_operand_names): Expect operand names to
5825         be strings rather than identifiers.  Use simple_cst_equal to
5826         compare them.
5827         (resolve_operand_name_1): Make same identifier to string change here.
5828         * c-parse.in (asm_operand): Convert a named operand into a string.
5829         * cp/parse.y (asm_operand): Likewise.
5830
5831 2002-04-13  Andreas Schwab  <schwab@suse.de>
5832
5833         * config/ia64/ia64.h (CPP_SPEC): Include %(cpp_cpu).
5834
5835 2002-04-12  Mark Mitchell  <mark@codesourcery.com>
5836
5837         Revert these changes:
5838
5839         2002-04-06  Mark Mitchell  <mark@codesourcery.com>
5840
5841         PR c++/5571
5842         * stor-layout.c (layout_decl): Reset the RTL for the decl.
5843
5844 2002-04-12  Richard Henderson  <rth@redhat.com>
5845
5846         * config.gcc (sparcv9-*-solaris2): Default to 32-bit code.
5847         (sparc*-*-solaris): Clean up header files.
5848         * configure.in (AS_SPARC64_FLAG): Error out if can't find it
5849         and plan on generating 64-bit code.
5850         * toplev.c (decode_g_option): Remove LINKER_DOES_NOT_WORK_WITH_DWARF2.
5851         * config/sparc/sol2-64.h: Delete and reuse for default 64-bit code.
5852         * config/sparc/sol2-sld-64.h: Rename ...
5853         * config/sparc/sol2-bi.h: ... here.  Remove the bits that checked
5854         for AS_SPARC64_FLAG not defined.
5855         * config/sparc/sol2-gld-bi.h: New.
5856         * config/sparc/sol2-sld.h: Remove.
5857         * config/sparc/sol26-sld.h: New.
5858         * config/sparc/sol2.h: Tidy comments.
5859         * doc/install.texi: Document sparc-solaris configury changes.
5860
5861 2002-04-12  Richard Henderson  <rth@redhat.com>
5862
5863         * recog.c (offsettable_address_p): Match the logic in adjust_address.
5864
5865         * config/sparc/sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Handle TFmode
5866         in 64-bit mode only.  Use only for 32-bit or MEDLOW.
5867
5868 2002-04-12  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5869
5870         * config/alpha/osf.h (LINK_SPEC): Pass -S to silence ld warnings.
5871
5872 Fri Apr 12 15:42:59 2002  Jeffrey A Law  (law@redhat.com)
5873
5874         * pa.c (pa_can_combine_p): Call extract_insn before calling
5875         constrain_operands.
5876
5877 2002-04-12  Douglas B Rupp  <rupp@gnat.com>
5878
5879         * config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Define.
5880         (TARGET_ASM_NAMED_SECTION, RETURN_IN_MEMORY) Define.
5881         (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
5882         (CPP_PREDEFINES): Handle __declspec.
5883         * config/i386/t-interix (USER_H): Remove.
5884
5885 2002-04-12  DJ Delorie  <dj@redhat.com>
5886
5887         * integrate.c (compare_blocks): Make comparisons safe for when
5888         sizeof(int) < sizeof(char *).
5889         (find_block): Likewise.
5890
5891 2002-04-12  Jan Hubicka  <jh@suse.cz>
5892             David Edelsohn  <edelsohn@gnu.org>
5893
5894         * config/rs6000/rs6000.c (call_operand): Allow LINK and COUNT
5895         registers.
5896         (symbol_ref_operand): New.
5897         * config/rs6000/rs6000.h (PREDICATE_CODES): Add symbol_ref_operand.
5898         * config/rs6000/rs6000.md (call_nonlocal_aix): Use symbol_ref_operand.
5899
5900 2002-04-12  Andreas Schwab  <schwab@suse.de>
5901
5902         * config/ia64/ia64.h (ASM_SPEC): Moved from here ...
5903         * config/ia64/sysv4.h (ASM_SPEC): ... to here, so that it
5904         overrides the definition in config/svr4.h.
5905
5906 2002-04-12      Eric Norum <eric.norum@usask.ca>
5907
5908         * config/rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
5909         config/c4x/rtems.h, config/h8300/rtems.h, config/i386/rtems.h,
5910         config/i386/rtemself.h, config/i960/rtems.h, config/m68k/rtems.h,
5911         config/m68k/rtemself.h, config/mips/rtems.h, config/mips/rtems64.h,
5912         config/pa/rtems.h, config/rs6000/rtems.h, config/sh/rtems.h,
5913         config/sh/rtemself.h, config/sparc/rtems.h, config/sparc/rtemself.h,
5914         config/v850/rtems.h (*-rtems*): Cleanup pass to move common
5915         definitions to config/rtems.h and make the targets more similar.
5916
5917 Fri Apr 12 08:06:54 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5918
5919         * expr.c (expand_assigment): Remove duplicate conversions #ifdef
5920         POINTERS_EXTEND_UNSIGNED.
5921         (store_constructor, expand_expr, case COMPONENT_REF): Likewise.
5922         (store_expr): Use TYPE_MODE (sizetype), not ptr_mode.
5923
5924         * emit-rtl.c (widen_memory_access): Don't do anything if MEMOFFSET
5925         not specified.
5926
5927 Fri Apr 12 12:11:26 2002  J"orn Rennecke <joern.rennecke@superh.com>
5928
5929         * sh.c (calc_live_regs, sh_pr_n_sets): Use of PR_MEDIA_REG / PR_REG
5930         depends on TARGET_SHMEDIA, not TARGET_SH5.
5931
5932 2002-04-12  Hans-Peter Nilsson  <hp@bitrange.com>
5933
5934         * function.c (fixup_var_refs_1) <SET, handling VAR in SET_SRC>:
5935         For paradoxical (subreg VAR), replace VAR, don't try the subreg.
5936
5937 Fri Apr 12 10:51:38 2002  J"orn Rennecke <joern.rennecke@superh.com>
5938
5939         * sh.c (broken_move): Constant 0. / 1. load is OK if there is
5940         no r0 clobber.
5941
5942 2002-04-12  Andreas Schwab  <schwab@suse.de>
5943
5944         * config/ia64/ia64.h (EXTRA_SPECS): Fix missing backslash.
5945
5946 2002-04-12  Richard Henderson  <rth@redhat.com>
5947
5948         PR bootstrap/4191
5949         * config/d30v/d30v.h (INIT_SECTION_ASM_OP): Don't undef.
5950
5951         * flow.c (mark_used_reg): Manage reg_cond_dead properly for
5952         modes spanning multiple hard regs.
5953
5954         * recog.c (peephole2_optimize): Rebuild jump labels as needed.
5955
5956 2002-04-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
5957
5958         * pa.c (pa_output_function_prologue): Don't accumulate the total
5959         number of code bytes when using TARGET_64BIT, or gas, SOM and not
5960         the portable runtime.
5961         (output_deferred_plabels): Handle 64bit plabels.
5962         (output_cbranch): Use $PIC_pcrel$0 for pc relative relocations when
5963         generating pic code using the GAS assembler for object formats that
5964         are not SOM (ie., ELF32 and ELF64).
5965         (output_millicode_call): Check attribute type if attribute length is 28.
5966         Likewise use $PIC_pcrel$0.  Only call get_attr_length and
5967         dbr_sequence_length once.
5968         (output_call): Likewise use $PIC_pcrel$0, and call get_attr_length and
5969         dbr_sequence_length once.
5970         * pa.h (TARGET_SOM): Define if not defined.
5971         * pa.md (pattern to load address of label): Likewise use $PIC_pcrel$0
5972         with GAS and not SOM.
5973         (jump, call_internal_reg, call_value_internal_reg): Likewise.
5974         * som.h (OBJ_SOM): Rename to TARGET_SOM.  Undefine before defining.
5975
5976 2002-04-11  David O'Brien  <obrien@FreeBSD.org>
5977
5978         * config/freebsd.h (NO_IMPLICIT_EXTERN_C, SCCS_DIRECTIVE): Give value.
5979         (DEFAULT_PCC_STRUCT_RETURN) Do not redefine.
5980         (USER_LABEL_PREFIX, HANDLE_SYSV_PRAGMA, IDENT_ASM_OP,
5981         DWARF2_DEBUGGING_INFO, DBX_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):
5982         elfos.h and dbxelf.h values are fine now.
5983         * config/i386/freebsd.h, config/alpha/freebsd.h
5984         (DEFAULT_PCC_STRUCT_RETURN): Define to 0.
5985
5986 2002-04-11  David O'Brien  <obrien@FreeBSD.org>
5987
5988         * config/ia64/aix.h (CPP_PREDEFINES): Do not define _LP64/__LP64__
5989         or set Acpu or Amachine.  Reformat.
5990         (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
5991         define.
5992         (LINK_SPEC): Do not need to undef.
5993         * config/ia64/elf.h (ASM_EXTRA_SPEC): Define.
5994         * config/ia64/freebsd.h (LINK_SPEC): Do not need to undef.
5995         (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
5996         define.
5997         * config/ia64/hpux.h (ASM_EXTRA_SPEC): Define.
5998         (ASM_SPEC): Do not define, use ASM_EXTRA_SPEC instead.
5999         (LINK_SPEC): Do not need to undef.
6000         (DONT_USE_BUILTIN_SETJMP): Do not define.
6001         * config/ia64/ia64.h (ASM_SPEC, ASM_EXTRA_SPEC): Add.
6002         (CPP_CPU_SPEC): Define _LP64, set Acpu and Amachine.  Remove -Dia64.
6003         (DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Define.
6004         Remove trailing spaces.
6005         * config/ia64/linux.h (CPP_PREDEFINES): Do not define _LP64/__LP64__,
6006         __ELF__, or set Acpu or Amachine.  Reformat.
6007         (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
6008         define.
6009
6010 2002-04-11  David O'Brien  <obrien@FreeBSD.org>
6011
6012         * config.gcc (ia64-*-freebsd*): Fix ordering of tm_files to match
6013         all other *-*-freebsd* targets.
6014
6015 2002-04-11  Richard Henderson  <rth@redhat.com>
6016
6017         * config.gcc (alpha*-*-linux*ecoff): Detect and reject.
6018
6019 2002-04-11  David O'Brien  <obrien@FreeBSD.org>
6020
6021         * config.gcc (alpha*-*-openbsd, alpha64-dec-*vms,alpha*-dec-*vms):
6022         Include {cpu}/{cpu}.h thru tm_file.
6023         (alpha*-*-linux*ecoff): Remove target.
6024         * config/alpha/elf.h (CPP_SUBTARGET_SPEC): Define __ELF__.
6025         (LINK_SPEC): Remove, is not OS independent.
6026         * config/alpha/freebsd.h (CPP_SPEC): Do not define __ELF__.
6027         (LINK_SPEC): Do not need to #undef any longer.
6028         * config/alpha/linux-ecoff.h (LINK_SPEC): Do not need to #undef
6029         any longer.
6030         * config/alpha/linux-elf.h (SUB_CPP_PREDEFINES): Do not define
6031         __ELF__.
6032         (LINK_SPEC): Moved here from alpha/elf.h.
6033         * config/alpha/linux.h (CPP_PREDEFINES): No longer consumer of
6034         SUB_CPP_PREDEFINES.
6035         * config/alpha/linux-ecoff.h: Remove.
6036         * config/alpha/netbsd.h (CPP_PREDEFINES): Do not define __ELF__.
6037         (CPP_SPEC): Define _POSIX_SOURCE as needed.
6038         (CPP_SUBTARGET_SPEC): Do not define.
6039         (LINK_SPEC): Do not need to #undef any longer.
6040         * config/alpha/openbsd.h: Do not directly include alpha/alpha.h.
6041         * config/alpha/vms.h: Likewise.
6042
6043 2002-04-11  Richard Sandiford  <rsandifo@redhat.com>
6044
6045         * doc/extend.texi: Remove old claim that typedefs cannot have
6046         an alignment attribute.
6047
6048 2002-04-11  Jakub Jelinek  <jakub@redhat.com>
6049
6050         PR optimization/6177
6051         * expr.c (expand_expr) [COMPONENT_REF]: Handle op0 CONCAT if
6052         bitpos is 0 and bitsize CONCAT size.
6053
6054 2002-04-11  Jakub Jelinek  <jakub@redhat.com>
6055
6056         PR c/6223
6057         * combine.c (if_then_else_cond): Use trunc_int_for_mode on nz.
6058
6059 2002-04-10  David O'Brien  <obrien@FreeBSD.org>
6060
6061         * config/alpha/freebsd.h: Minor reformatting.
6062         (CPP_SPEC): Define ELF and add cpp_subtarget.
6063         (ASM_SPEC): No longer needed.
6064
6065 2002-04-11  Richard Henderson  <rth@redhat.com>
6066
6067         * config/sparc/sparc.md (movdi_insn_sp32): Add o/J alternative.
6068         (movdi_insn_sp32_v9): Likewise.  Only allow stx with aligned memory.
6069         (dimode mem/zero splitter): New.
6070
6071 2002-04-11  Hans-Peter Nilsson  <hp@axis.com>
6072
6073         * config/cris/cris.c (cris_override_options): Tweak error message
6074         for PIC not implemented.
6075
6076         * config/cris/cris.h: Tweak comments related to parameter-passing.
6077
6078         * t-cris (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc here.
6079
6080 2002-04-10  Richard Henderson  <rth@redhat.com>
6081
6082         * except.c (add_ehl_entry): Allow duplicates after landing pad
6083         creation.
6084
6085 2002-04-10  David Edelsohn  <edelsohn@gnu.org>
6086
6087         * config/rs6000/t-aix43 (SHLIB_NM_FLAGS): Add -X32_64.
6088
6089 2002-04-10  Toon Moene  <toon@moene.indiv.nluug.nl>
6090
6091         * c-decl.c (c_init_decl_processing): Move generation of
6092         decls for g77_integer_type_node and friends from here ...
6093         * c-common.c (c_common_nodes_and_builtins): ... to here.
6094
6095 2002-04-10  Ulrich Weigand  <uweigand@de.ibm.com>
6096
6097         * reload1.c (choose_reload_regs): HARD_FRAME_POINTER_REGNUM
6098         is only used as frame pointer when frame_pointer_needed is true.
6099
6100 2002-04-10  Richard Earnshaw  <rearnsha@arm.com>
6101
6102         PR target/817
6103         * arm.md (arm_movdi): Adjust neg_pool_range attribute to allow
6104         for the fact that the pool entry uses two words.
6105         (movdf_hard_insn): Similarly.  Also, ADR instruction can span
6106         1k bytes.
6107         (movdf_soft_insn): Similarly.
6108         (movxf_hard_insn): Adjust neg_pool_range attribute to allow
6109         for the fact that the pool entry uses three words.
6110
6111 2002-04-10  Richard Sandiford  <rsandifo@redhat.com>
6112
6113         * config/mips/mips.c (mips_va_arg): When using the struct version
6114         of the EABI va_list, allow arguments in the register save area to
6115         take up less room than a stack argument.
6116
6117 2002-04-10  Richard Henderson  <rth@redhat.com>
6118
6119         * expr.c (expand_expr) [INTEGER_CST]: Don't force into registers
6120         if EXPAND_INITIALIZER.
6121
6122 2002-04-09  Richard Henderson  <rth@redhat.com>
6123
6124         * config/alpha/alpha.md (movdi_er_maybe_g): New.
6125         * config/alpha/alpha.c (alpha_expand_mov): Use it.
6126
6127 2002-04-10  Alan Modra  <amodra@bigpond.net.au>
6128
6129         PR optimization/6233
6130         * rtlanal.c (pure_call_p): New function.
6131         * rtl.h (pure_call_p): Declare.
6132         * loop.c (prescan_loop): Use it to set has_nonconst_call.
6133         * gcse.c (store_killed_in_insn): Use pure_call_p here too.
6134
6135 2002-04-09  Eric Christopher  <echristo@redhat.com>
6136
6137         * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Add additional
6138         information to .comm directive.
6139
6140 2002-04-09  Richard Henderson  <rth@redhat.com>
6141
6142         PR c/5078
6143         * expr.c (expand_expr) [INTEGER_CST]: Force overflows into registers.
6144
6145 2002-04-09  Richard Henderson  <rth@redhat.com>
6146
6147         * basic-block.h (flow_delete_block_noexpunge): Declare.
6148         (expunge_block_nocompact): Declare.
6149         * cfg.c (expunge_block_nocompact): Split out from ...
6150         (expunge_block): ... here.
6151         * cfgrtl.c (can_delete_label_p): Don't use exception_handler_labels.
6152         (flow_delete_block_noexpunge): Split out from ...
6153         (flow_delete_block): ... here.
6154         * cfgcleanup.c (delete_unreachable_blocks): Compact while
6155         removing dead blocks.
6156         * except.c (exception_handler_labels): Remove.
6157         (exception_handler_label_map): New.
6158         (struct eh_region): Add aka member.
6159         (mark_ehl_map_entry, mark_ehl_map, free_region): New.
6160         (ehl_hash, ehl_eq, ehl_free, add_ehl_entry): New.
6161         (for_each_eh_label, for_each_eh_label_1): New.
6162         (init_eh): Register exception_handler_label_map.
6163         (free_eh_status): Use free_region.
6164         (find_exception_handler_labels): Use the map, not the list.
6165         (remove_exception_handler_label): Likewise.
6166         (maybe_remove_eh_handler): Likewise.
6167         (remove_eh_handler): Use the region aka bitmap.
6168         * except.h (exception_handler_labels): Remove.
6169         (for_each_eh_label): Declare.
6170         * jump.c (rebuild_jump_labels): Don't check exception_handler_labels.
6171         * loop.c (invalidate_loops_containing_label): New.
6172         (find_and_verify_loops): Use it.  Use for_each_eh_label.
6173         * sched-rgn.c (is_cfg_nonregular): Use
6174         current_function_has_exception_handlers.
6175
6176 2002-04-09  Richard Henderson  <rth@redhat.com>
6177
6178         * sbitmap.c (sbitmap_union_of_diff, sbitmap_a_and_b, sbitmap_a_xor_b,
6179         sbitmap_a_or_b, sbitmap_a_or_b_and_c, sbitmap_a_and_b_or_c):
6180         Do not return changed status.
6181         (sbitmap_union_of_diff_cg, sbitmap_a_and_b_cg, sbitmap_a_xor_b_cg,
6182         sbitmap_a_or_b_cg, sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c_cg):
6183         New functions that do return changed status.
6184         * sbitmap.h: Update decls.
6185         * gcse.c, lcm.c: Use _cg functions as needed.
6186
6187 Tue Apr  9 19:15:57 2002  J"orn Rennecke <joern.rennecke@superh.com>
6188
6189         * config.gcc (sh-*-elf*): Use sh/embed-elf.h instead of sh/elf.h.
6190         (sh64-*-elf*, sh-*-rtemself*): Likewise.
6191         * config/sh/embed_bb.c: New file.
6192         * config/sh/embed-elf.h: New file.
6193         * sh.h (CPP_SPEC): Supply __SIZE_TYPE__ and __PTRDIFF_TYPE__
6194         if -m[12345]* option is given.  Don't use subtarget_cpp_ptr_spec.
6195         (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and
6196         __PTRDIFF_TYPE__ .
6197         (SUBTARGET_CPP_PTR_SPEC): Don't define.
6198         (EXTRA_SPECS): Remove subtarget_cpp_ptr_spec.
6199         Add subtarget_asm_endian_spec.
6200         (ASM_SPEC): Use subtarget_asm_endian_spec.
6201         (SUBTARGET_ASM_ENDIAN_SPEC): Define.
6202         (RETURN_ADDR_RTX): Use PR_MEDIA_REG for TARGET_SH5.
6203         (WCHAR_UNSIGNED): Define.
6204         (SH_ELF_WCHAR_TYPE, SH_DBX_REGISTER_NUMBER): Define.
6205         (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER.
6206         (ALLOCATE_INITIAL_VALUE): Use PR_MEDIA_REG for TARGET_SH5.
6207         Fix value.
6208         * sh.c (calc_live_regs): Use PR_MEDIA_REG for TARGET_SH5.
6209         (sh_adjust_cost): Likewise.
6210         sh64.h (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and
6211         __PTRDIFF_TYPE__ .
6212         (SUBTARGET_CPP_PTR_SPEC, WCHAR_TYPE): Don't #undef/ #define.
6213         (WCHAR_TYPE_SIZE): Likewise.
6214         (ASM_SPEC): Use subtarget_asm_endian_spec.
6215         (SH_ELF_WCHAR_TYPE): #undef/ #define.
6216         (MAX_WCHAR_TYPE_SIZE): Don't #undef.
6217         * config/sh/elf.h (WCHAR_UNSIGNED): #undef .
6218         (MAX_WCHAR_TYPE_SIZE): Don't #define .
6219         (WCHAR_TYPE, WCHAR_TYPE_SIZE): #undef / #define .
6220         (USER_LABEL_PREFIX): Don't #undef /#define .
6221         (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER.
6222         * config/elf/linux.h (USER_LABEL_PREFIX): Don't #undef /#define .
6223         (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Likewise.
6224         (ASM_SPEC): Likewise.
6225         (SUBTARGET_ASM_ENDIAN_SPEC): #undef / #define .
6226         (CC1_SPEC): don't supply -m3 for -m4*, -m5*.
6227         * t-sh: (LIB1ASMFUNCS): Use LIB1ASMFUNCS_CACHE.
6228         (LIB2FUNCS_EXTRA): Define.
6229         * t-sh64 (LIB2FUNCS_EXTRA): Define.
6230         * config/sh/t-linux (LIB1ASMFUNCS): Don't redefine.
6231         (LIB1ASMFUNCS_CACHE): Define.
6232         (LIB2FUNCS_EXTRA): Redefine empty.
6233
6234 2002-04-08  Richard Henderson  <rth@redhat.com>
6235
6236         * reorg.c (get_branch_condition): Use reversed_comparison_code.
6237
6238 2002-04-09  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
6239
6240         * config/m68hc11/larith.asm (__map_data_section): Fix condition
6241         and optimize for size.
6242         (__do_global_ctors): Fix pointer comparison.
6243         (__do_global_dtors): Likewise.
6244
6245 2002-04-09  David S. Miller  <davem@redhat.com>
6246
6247         * config/sparc/sparc.c (sparc_extra_constraint_check): New
6248         function, implementing EXTRA_CONSTRAINTS.  For memory constraints,
6249         allow reloading pseudos.
6250         * config/sparc/sparc.h (EXTRA_CONSTRAINTS): Use it.
6251         * config/sparc/sparc-protos.h: Declare it.
6252
6253         * config/sparc/sparc.c (const64_is_2insns): Kill signed vs.
6254         unsigned comparison warning.
6255         (output_restore_regs): Mark leaf_function as unused.
6256
6257 Tue Apr  9 09:35:45 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6258
6259         * expr.c (is_aligning_offset): New function.
6260         (expand_expr, case COMPONENT_EXPR): Call it.
6261
6262 2002-04-08  David S. Miller  <davem@redhat.com>
6263
6264         PR target/6082
6265         * config/sparc/freebsd.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDLOW
6266
6267         Make init_priority work on Sparc when using GNU ld.
6268         * config/sparc/linux.h, config/sparc/linux64.h,
6269         config/sparc/netbsd-elf.h, config/sparc/freebsd.h
6270         (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Undefine.
6271         * config/sparc/sol2-gld.h: New file to do the same.
6272         * config.gcc (sparc*-*-solaris2*): If gnu_ld=yes add
6273         sparc/sol2-gld.h to tm_file.
6274
6275         PR optimization/4328
6276         * config/sparc/sparc.h (EXTRA_CONSTRAINT): Add new constraint 'W'.
6277         * doc/md.texi: Document it.
6278         * config/sparc/sparc.md (movdi_insn_sp64_novis,
6279         movdi_insn_sp64_vis, movdf_insn_sp32, movdf_insn_v9only_novis,
6280         movdf_insn_v9only_vis, movdf_insn_sp64_novis,
6281         movdf_insn_sp64_vis): Use it as MEM constraing with 'e' registers.
6282         * config/sparc/sparc.c (mem_min_alignment): Fix comment.
6283
6284 2002-04-08  Andreas Jaeger  <aj@suse.de>
6285
6286         * stmt.c (expand_asm_operands): Revert last patch from Richard
6287         Henderson.
6288
6289 2002-04-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
6290
6291         * doc/contrib.texi (Contributors): Add John David Anglin and Loren
6292         J. Rittle (the latter also to Testers).  Update David O'Brien's entry.
6293
6294 2002-04-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
6295
6296         * doc/contrib.texi (Contributors): Add David O'Brien.
6297
6298 2002-04-08  Alan Modra  <amodra@bigpond.net.au>
6299
6300         * configure.in (auto-build.h): Use target_alias and build_alias
6301         when running configure.
6302         (gcc_cv_as, gcc_cv_ld): Search install paths when build != host too.
6303         (gcc_cv_nm, gcc_cv_objdump): Set for build != host too.
6304         * configure: Regenerate.
6305
6306 2002-04-07  David S. Miller  <davem@redhat.com>
6307
6308         * config.gcc (sparc64-*-linux*): Add t-crtfm to tmake_file.
6309
6310 2002-04-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>
6311
6312         PR 5933
6313         * pa.h (ASM_OUTPUT_MI_THUNK): Use indirect jump to target function when
6314         generating 32-bit pic code.
6315
6316 2002-04-06  Jason Thorpe  <thorpej@wasabisystems.com>
6317
6318         * cppinit.c (cpp_create_reader): Initialize
6319         discard_comments_in_macro_exp.
6320         (COMMAND_LINE_OPTIONS): Add "-CC" option.
6321         (cpp_handle_option): Handle "-CC" option.
6322         * cpplex.c (save_comment): If saving a C++ comment in
6323         a directive, convert it to a C comment.
6324         (_cpp_lex_direct): Pass second comment start character to
6325         save_comment to indicate comment type.
6326         * cpplib.c (_cpp_handle_directive): If processing
6327         a "#define" directive and discard_comments_in_macro_exp
6328         is false,  re-enable saving of comments.
6329         (lex_macro_node): If discard_comments_in_macro_exp is false,
6330         discard any comments before the macro identifier.
6331         * cpplib.h (struct cpp_options): Add discard_comments_in_macro_exp
6332         member.
6333         * cppmacro.c (cpp_get_token): If expanding a macro while
6334         processing a directive, discard any comments we might encounter.
6335         (parse_params): If discard_comments_in_macro_exp is false,
6336         ignore comments in the macro parameter list.
6337         * gcc.c (cpp_unique_options): Add "-CC" option.
6338         (option_map): Map "--comments-in-macros" to "-CC".
6339         * doc/cppopts.texi: Document "-CC" option.
6340         * f/lang-specs.h: Add "-CC" option.
6341         * testsuite/gcc.dg/cpp/maccom1.c: New test.
6342         * testsuite/gcc.dg/cpp/maccom2.c: New test.
6343         * testsuite/gcc.dg/cpp/maccom3.c: New test.
6344         * testsuite/gcc.dg/cpp/maccom4.c: New test.
6345         * testsuite/gcc.dg/cpp/maccom5.c: New test.
6346         * testsuite/gcc.dg/cpp/maccom6.c: New test.
6347
6348 2002-04-06  John David Anglin  <dave@hiauly1.hia.nrc.ca>
6349
6350         PR middle-end/6180
6351         * reorg.c (dbr_schedule): Don't reposition prologue and epilogue notes.
6352
6353 2002-04-06  Mark Mitchell  <mark@codesourcery.com>
6354
6355         PR c++/5571
6356         * stor-layout.c (layout_decl): Reset the RTL for the decl.
6357
6358         PR opt/5120
6359         * sibcall.c (optimize_sibling_and_tail_recursive_call): Clear
6360         RTX_UNCHANGING_P for the functions arguments when a tail call
6361         is made.
6362
6363 2002-04-06  Jason Merrill  <jason@redhat.com>
6364
6365         * toplev.c (flag_no_inline, flag_really_no_inline): Default to 2.
6366         (parse_options_and_default_flags): Set them appropriately.
6367         * c-common.c (c_common_post_options): Don't set flag_really_no_inline.
6368
6369 2002-04-06  Hans-Peter Nilsson  <hp@bitrange.com>
6370
6371         * config/mmix/t-mmix (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc
6372         here.
6373
6374         * config/mmix/mmix.h (INITIAL_ELIMINATION_OFFSET): Remove spurious
6375         semicolon.
6376
6377         * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Variable-size
6378         types come in by-reference.  Fix typo in comment.
6379
6380 2002-04-05  David S. Miller  <davem@redhat.com>
6381
6382         * config/sparc/freebsd.h (ENDFILE_SPEC): Add crtfastmath bits.
6383         * config.gcc (sparc64-wrs-vxworks, sparc-*-chorusos,
6384         sparc-*-rtems*, sparclite-*-elf* sparc86x-*-elf*, sparc64-*-elf*,
6385         {sparc64,ultrasparc}-*-freebsd*): Add sparc/t-crtfm to tmake_file.
6386
6387 2002-04-05  David S. Miller  <davem@redhat.com>
6388
6389         * config/sparc/sparc.c (sparc_nonflat_function_epilogue): If we
6390         are not going to emit return instructions, emit at least a nop
6391         for the sake of sane backtraces.
6392
6393 2002-04-05  Richard Henderson  <rth@redhat.com>
6394
6395         * doc/rtl.texi (Regs and Memory): Document (mem:BLK (scratch)).
6396
6397 2002-04-05  Jakub Jeilnek  <jakub@redhat.com>
6398
6399         * mklibgcc.in: Use $tmpmapfile, not tmp-$@.
6400
6401 2002-04-05  Alexandre Oliva  <aoliva@redhat.com>
6402
6403         * config/mips/mips.h (ISA_HAS_BRANCHLIKELY, ISA_HAS_CONDMOVE,
6404         ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB,
6405         ISA_HAS_CLZ_CLO, ISA_HAS_DCLZ_DCLO): Disable if TARGET_MIPS16.
6406
6407 2002-04-05  Andreas Schwab  <schwab@suse.de>
6408
6409         * c-convert.c: Include c-common.h.
6410         * Makefile.in (c-convert.o): Updated.
6411
6412 2002-04-05  Jakub Jelinek  <jakub@redhat.com>
6413
6414         * mklibgcc.in: Use separate libgcc.map for each multilib.
6415         * Makefile.in (distclean): Don't remove libgcc.map here.
6416
6417 2002-04-05  Jakub Jelinek  <jakub@redhat.com>
6418
6419         * Makefile.in (s-mlib): Handle --disable-multilib by separate
6420         genmultilib invocation.
6421
6422 2002-04-04  Richard Sandiford  <rsandifo@redhat.com>
6423
6424         * config/mips/mips.h (CUMULATIVE_ARGS): Rename fp_regs to num_fprs
6425         to avoid clash with Irix header file sys/ucontext.h.  Rename gp_regs
6426         to num_gprs for symmetry.
6427         * config/mips/mips.c: Adjust accordingly.
6428
6429 2002-04-04  Neil Booth  <neil@daikokuya.demon.co.uk>
6430
6431         * c-common.c (truthvalue_conversion): Rename, update.
6432         * c-common.h (c_common_truthvalue_conversion): New.
6433         * c-convert.c (convert): Update.
6434         * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
6435         * c-parse.in (expr_no_commas, if_prefix, select_or_iter_stmt): Update.
6436         * c-typeck.c (build_binary_op, build_unary_op,
6437         build_conditional_expr): Update.
6438         * fold-const.c (constant_boolean_node, fold): Use langhook.
6439         * langhooks-def.h (LANGHOOK_INITIALIZER): Update.
6440         * langhooks.h (struct lang_hooks): New hook.
6441         * stmt.c (expand_decl_cleanup): Use langhook.
6442         * tree.h (truthvalue_conversion): Remove.
6443 objc:
6444         * objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
6445
6446 2002-04-05  Alan Modra  <amodra@bigpond.net.au>
6447
6448         * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtsavres.o
6449         Add rules to make null object file.
6450
6451 2002-04-04  Jim Blandy  <jimb@redhat.com>
6452
6453         * cppmacro.c (cpp_macro_definition): Do not emit spaces after
6454         macro formal parameter names.
6455
6456 2002-04-04  David S. Miller  <davem@redhat.com>
6457
6458         * calls.c (store_one_arg): If ECF_SIBCALL, use tail_call_reg.
6459
6460 2002-04-04  Richard Henderson  <rth@redhat.com>
6461
6462         PR middle-end/5099
6463         * stmt.c (expand_asm_operands): Validate outputs vs asm_operand_ok.
6464         Support copies into and out of memory.  Don't accept allows_reg
6465         and allows_mem as gospel.
6466
6467 2002-04-04  Richard Henderson  <rth@redhat.com>
6468
6469         PR opt/6165
6470         * alias.c (true_dependence): Force (mem:blk (scratch)) to conflict.
6471         (write_dependence_p): Likewise.
6472
6473 2002-04-04  Richard Henderson  <rth@redhat.com>
6474
6475         * predict.c (estimate_bb_frequencies): Do frequency calculation
6476         with a volatile temporary.
6477
6478 2002-04-04  Ulrich Weigand  <uweigand@de.ibm.com>
6479
6480         * config/s390/linux.h (LOCAL_LABEL_PREFIX): Define.
6481
6482 2002-04-04  Jakub Jelinek  <jakub@redhat.com>
6483
6484         PR c++/6119
6485         * final.c (final_start_function): Don't bump profile_label_no here...
6486         (final_end_function): ...but here.
6487
6488 2002-04-04  Jakub Jelinek  <jakub@redhat.com>
6489
6490         * config/sparc/sparc.md (pic): New attribute.
6491         (do_builtin_setjmp_setup): Save %fp, %i7 and %l7 for TARGET_V9
6492         into stack slots.
6493         (split after do_builtin_setjmp_setup): New.
6494
6495 2002-04-04  Jakub Jelinek  <jakub@redhat.com>
6496
6497         PR fortran/6106
6498         * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Backout 2001-01-01
6499         change.
6500
6501 2002-04-04  Jakub Jelinek  <jakub@redhat.com>
6502
6503         * config/sparc/sparc.c (sparc_va_arg): Adjust va_list by
6504         UNITS_PER_WORD for zero sized aggregates.
6505
6506 2002-04-03  David S. Miller  <davem@redhat.com>
6507
6508         * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): No need for a new
6509         one-character spec for this, just use %(link_gcc_c_sequence).
6510
6511 2002-04-03  David S. Miller  <davem@redhat.com>
6512
6513         * config/sparc/crtfastmath.c (FPRS_NS): Delete bogus little-endian
6514         handling.
6515
6516 2002-04-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
6517
6518         * pa-linux.h (INCOMING_RETURN_ADDR_RTX): Move.
6519         (DWARF_FRAME_RETURN_COLUMN): Move.
6520         (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6521         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Define.
6522         * pa.c (except.h, predict.h): Include.
6523         (FRP): Delete.
6524         (store_reg_modify, set_reg_plus_d): Revise prototypes.
6525         (output_ascii): Add cast.
6526         (store_reg_modify): Revise to add frame notes.
6527         (set_reg_plus_d): Likewise.
6528         (compute_frame_size): Include space for eh data registers in frame if
6529         the current function calls eh_return.
6530         (hppa_expand_prologue):  Ensure register %r2 is saved if the current
6531         function calls eh_return.  Save eh data registers if the current
6532         function calls eh_return.  Fix code to add frame notes.  Emit
6533         blockage to prevent insns with frame notes being scheduled in the
6534         delay slot of calls.
6535         (hppa_expand_epilogue): Restore eh data registers and do final stack
6536         adjustment if the current function calls eh_return.  Don't add frame
6537         notes.
6538         (output_call): Revise for change in length of call insn.  Don't do
6539         return pointer adjustment for an unconditional jump in the delay slot
6540         of a call when using frame notes.
6541         * pa.h (EH_RETURN_DATA_REGNO): Revise for TARGET_64BIT compatibility.
6542         (EH_RETURN_HANDLER_RTX): Use saved value on stack.
6543         (ARG_POINTER_CFA_OFFSET): Define.
6544         * pa.md (return_external_pic): New pattern.
6545         (prologue): Correct formatting.  Use return_external_pic if current
6546         function calls eh_return.
6547         (call_internal_symref, call_value_internal_symref,
6548         sibcall_internal_symref, sibcall_value_internal_symref): Change default
6549         lengths of short, long non-pic, and long pic calls to 8, 68, and 84,
6550         respectively.
6551         (exception_receiver): Use hppa_pic_save_rtx () to restore pic register.
6552
6553         * configure.in ("assembler dwarf2 debug_line support"): Add hppa*-*-* to
6554         list of targets to check using "nop" insn.
6555         * configure: Rebuilt.
6556
6557 2002-04-04  Alan Modra  <amodra@bigpond.net.au>
6558
6559         * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Define.
6560
6561 2002-04-03  David S. Miller  <davem@redhat.com>
6562
6563         * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): New spec to override the gcc/c
6564         library sequence passed to the linker.
6565         (LINK_COMMAND_SPEC): Use it.
6566         * doc/tm.texi: Document it, and mention from LINK_COMMAND_SPEC as
6567         a macro a target can use to avoid overriding LINK_COMMAND_SPEC.
6568         * config/sparc/sparc.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
6569
6570 2002-04-03  Jason Merrill  <jason@redhat.com>
6571
6572         * except.c (struct eh_status): Remove protect_list.
6573         (begin_protect_partials, end_protect_partials): Remove.
6574         (add_partial_entry): Remove.
6575         * except.h: Remove prototypes.
6576
6577         * expr.c (expand_expr) [WITH_CLEANUP_EXPR, TARGET_EXPR]: Use
6578         expand_decl_cleanup_eh.
6579
6580         PR c++/5636
6581         * tree.h (CLEANUP_EH_ONLY): New macro.
6582         * stmt.c (expand_decl_cleanup_eh): New fn.
6583         (expand_cleanups): Check CLEANUP_EH_ONLY.
6584         * c-semantics.c (genrtl_decl_cleanup): Just take the CLEANUP_STMT.
6585         Use expand_decl_cleanup_eh.
6586         (expand_stmt): Adjust.
6587         * c-common.h: Adjust prototype.
6588
6589 2002-04-04  Hans-Peter Nilsson  <hp@axis.com>
6590
6591         * config/cris/cris.c (cris_target_asm_function_prologue): Cast
6592         uses of PIC_OFFSET_TABLE_REGNUM to int to silence warnings.
6593         (cris_target_asm_function_epilogue): Ditto.
6594         (cris_initial_frame_pointer_offset): Ditto.
6595         (cris_simple_epilogue): Ditto.
6596         (cris_expand_builtin_va_arg): Variable-size types come in
6597         by-reference.
6598
6599 2002-04-03  David S. Miller  <davem@redhat.com>
6600
6601         * config/sparc/crtfastmath.c (FPRS_NS): Get it right for
6602         little-endian.
6603         (set_fast_math): Correct 'fsr' type.
6604
6605 2002-04-03  Richard Henderson  <rth@redhat.com>
6606
6607         PR opt/3569
6608         * langhooks.h (lang_hooks.decls.warn_unused_global): New.
6609         * toplev.c (check_global_declarations): Use it.
6610         * langhooks-def.h (lhd_warn_unused_global_decl): Declare.
6611         (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
6612         (LANG_HOOKS_DECLS): Add it.
6613         * langhooks.c (lhd_warn_unused_global_decl): New.
6614         * c-decl.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
6615         * c-objc-common.c (c_warn_unused_global_decl): New.
6616         * c-tree.h (c_warn_unused_global_decl): Declare.
6617         * objc/objc-lang.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
6618
6619 2002-04-03  Neil Booth  <neil@daikokuya.demon.co.uk>
6620
6621         * langhooks-def.h (lhd_set_decl_assembler_name,
6622         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME): New.
6623         (LANG_HOOKS_INITIALIZER): Update.
6624         * langhooks.c (lhd_set_decl_assembler_name): New, from tree.c
6625         * langhooks.h (struct lang_hooks): New hook.
6626         * tree.c (set_decl_assembler_name): Move to langhooks.c.
6627         (lang_set_decl_assembler_name): Remove.
6628         (init_obstacks): Don't set hook.
6629         (decl_assembler_name): New function.
6630         * tree.h (DECL_ASSEMBLER_NAME): Turn into a function call.
6631         (decl_assembler_name): New.
6632         (lang_set_decl_assembler_name): Remove.
6633
6634 2002-04-03  Jakub Jelinek  <jakub@redhat.com>
6635
6636         * configure.in (HAVE_SPARC_UA_PCREL_HIDDEN): Test whether %r_disp32()
6637         works properly with .hidden symbols.
6638         * configure: Rebuilt.
6639         * config.in: Rebuilt.
6640         * config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6641         DW_EH_PE_absptr for flag_pic && GLOBAL if %r_disp32() doesn't work
6642         properly with .hidden symbols.
6643
6644 2002-04-03  Jakub Jelinek  <jakub@redhat.com>
6645
6646         PR middle-end/6102
6647         * df.c (df_insn_refs_record): Use XEXP not SET_DEST to access
6648         USE argument.
6649
6650 2002-04-03  Richard Henderson  <rth@redhat.com>
6651
6652         PR opt/4120
6653         * sched-rgn.c (sets_likely_spilled): New.
6654         (sets_likely_spilled_1): New.
6655         (add_branch_dependences): Use it.
6656
6657 2002-04-02  Richard Henderson  <rth@redhat.com>
6658
6659         PR opt/4311
6660         * loop.h (LOOP_FIRST_PASS): New.
6661         * loop.c (strength_reduce): Mind it when deciding to unroll.
6662         * toplev.c (rest_of_compilation): Set it.
6663
6664 2002-04-02  David S. Miller  <davem@redhat.com>
6665
6666         * config/sparc/sparc.md (ldd peephole2s): Fix final arg to
6667         mems_ok_for_ldd_peep when the order of the loads being examined
6668         is reversed.
6669         * config/sparc/sparc.c (mems_ok_for_ldd_peep): Expand upon
6670         existing comment to increase comprehension of this situation.
6671
6672 2002-04-02  Zack Weinberg  <zack@codesourcery.com>
6673
6674         * config/sh/sh.md: Don't use union real_extract.
6675
6676 2002-04-02  Richard Henderson  <rth@redhat.com>
6677
6678         * libgcc2.c (__bb_exit_func): Revert 03-31 change.
6679
6680 2002-04-02  David O'Brien  <obrien@FreeBSD.org>
6681
6682         * config.gcc (i386-dg-dgux, i386-go32-msdos , i386-go32-rtems,
6683         i386-ibm-aix, i386-moss-msdos, i386-ncr-sysv4, i386-next-,
6684         i386-pc-msdosdjgpp, i386-sequent-bsd, i386-sequent-ptx1,
6685         i386-sequent-ptx2, i386-sequent-ptx4, i386-sun-sunos,
6686         i386-wrs-vxworks, i386-*-aout, i386-*-beoself, i386-*-bsd,
6687         i386-*-bsdi, i386-*-chorusos, i386-*-coff, i386-*-elf,
6688         i386-*-freebsd5, i386-*-freebsd-aout, i386-*-gnu, i386-*-interix,
6689         i386-*-interix3, i386-*-isc, i386-*-linux, i386-*-linuxaout,
6690         i386-*-linuxoldld, i386-*-lynxos, i386-*-mach, i386-*-mingw32,
6691         i386-*-netbsd, i386-*-netbsdelf, i386-*-netware, i386-*-openbsd,
6692         i386-*-osf1, i386-*-osfrose, i386-*-pe , i386-*-rtems,
6693         i386-*-rtemscoff, i386-*-sco3.2v5, i386-*-solaris2, i386-*-sysv,
6694         i386-*-sysv4, i386-*-sysv5, i386-*-udk, i386-*-uwin, i386-*-vsta,
6695         i386-*-win32, x86_64-*-freebsd5, x86_64-*-linux, x86_64-*-netbsd):
6696         Include as many configury headers via tm_file as possible.  This
6697         includes among others i386/unix.h, i386/bsd.h, i386/gas.h.
6698         * config/openbsd-oldgas.h: New file.
6699         * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/att.h,
6700         config/i386/bsd.h, config/i386/djgpp.h, config/i386/freebsd-aout.h,
6701         config/i386/gas.h, config/i386/gstabs.h, config/i386/i386-aout.h,
6702         config/i386/i386-coff.h, config/i386/i386-interix.h,
6703         config/i386/iscdbx.h, config/i386/linux-aout.h,
6704         config/i386/linux-oldld.h, config/i386/lynx-ng.h, config/i386/lynx.h,
6705         config/i386/mach.h, config/i386/netbsd.h, config/i386/next.h,
6706         config/i386/openbsd.h, config/i386/osfelf.h, config/i386/osfrose.h,
6707         config/i386/sco5.h, config/i386/seq-gas.h, config/i386/seq-sysv3.h,
6708         config/i386/seq2-sysv3.h, config/i386/sequent.h, config/i386/sun.h,
6709         config/i386/sun386.h, config/i386/svr3dbx.h, config/i386/svr3gas.h,
6710         config/i386/sysv3.h, config/i386/uwin.h, config/i386/vsta.h,
6711         config/i386/vxi386.h: Do not directly include configury headers.
6712         * config/i386/cygwin.h, config/i386/djgpp.h, config/i386/win32.h:
6713         Directly include configury headers that are no longer automatically
6714         included by the above headers.
6715         * config/i386/att.h, config/i386/bsd.h (TARGET_VERSION): Do not define.
6716         * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/cygwin.h,
6717         config/i386/djgpp.h, config/i386/i386-aout.h, config/i386/i386-coff.h,
6718         config/i386/lynx-ng.h, config/i386/lynx.h, config/i386/mach.h,
6719         config/i386/netbsd.h, config/i386/openbsd.h, config/i386/rtems.h,
6720         config/i386/seq-sysv3.h, config/i386/sequent.h, config/i386/svr3gas.h,
6721         config/i386/sysv3.h, config/i386/vsta.h, config/i386/vxi386.h
6722         (TARGET_VERSION): Define.
6723         * config/i386/beos-elf.h, config/i386/freebsd.h,
6724         config/i386/i386-interix.h, config/i386/i386elf.h, config/i386/linux.h,
6725         config/i386/linux64.h, config/i386/netbsd-elf.h, config/i386/netbsd64.h,
6726         config/i386/osfelf.h, config/i386/osfrose.h, config/i386/ptx4-i.h,
6727         config/i386/sco5.h, config/i386/sysv4.h
6728         (TARGET_VERSION): Do not need to protect.
6729         * config/i386/freebsd64.h (TARGET_VERSION): Fix style.
6730         * config/i386/386bsd.h, config/i386/cygwin.h, config/i386/djgpp.h,
6731         config/i386/freebsd-aout.h, config/i386/i386-aout.h,
6732         config/i386/i386-interix.h, config/i386/linux-aout.h,
6733         config/i386/linux-oldld.h, config/i386/mach.h, config/i386/netbsd.h,
6734         config/i386/openbsd.h, config/i386/vsta.h, config/i386/win32.h
6735         (YES_UNDERSCORES): Do not define - not needed.
6736         * config/i386/bsd.h, config/i386/gas.h (LPREFIX,
6737         ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL,
6738         USER_LABEL_PREFIX): Do not handle the "NO_UNDERSCORES" case.
6739         * config/i386/i386-coff.h, config/i386/lynx.h, config/i386/lynx-ng.h
6740         (LPREFIX, ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL,
6741         USER_LABEL_PREFIX): Define. (handles the "NO_UNDERSCORES" case)
6742         * config/i386/isc.h: Preserve comment from config/i386/isccoff.h.
6743         * config/i386/isccoff.h, config/i386/v3gas.h: Remove.
6744
6745 2002-04-02  Eric Botcazou  <ebotcazou@multimania.com>
6746             Richard Henderson  <rth@redhat.com>
6747
6748         PR c/5484
6749         * function.c (assign_temp): Accept either type or decl argument.
6750         Detect variables whose size is too large to fit into an integer.
6751         * stmt.c (expand_decl): Pass the decl, not the type.
6752
6753 2002-04-02  David O'Brien  <obrien@FreeBSD.org>
6754
6755         * protoize.c: Match include directory usage with cppdefault.c.
6756
6757 2002-04-03  Jeffrey A Law  (law@redhat.com)
6758             Hans-Peter Nilsson  <hp@bitrange.com>
6759
6760         * combine.c (simplify_comparison): Avoid narrowing a comparison
6761         with a paradoxical subreg when doing so would drop signficant bits.
6762
6763 2002-04-02  Steve Ellcey  <sje@cup.hp.com>
6764
6765         * builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode
6766         if POINTERS_EXTEND_UNSIGNED is defined.
6767
6768 2002-04-02  Richard Henderson  <rth@redhat.com>
6769
6770         PR opt/3967
6771         * local-alloc.c (contains_replace_regs): LO_SUM may contain
6772         replace regs.
6773
6774 2002-04-02  Richard Henderson  <rth@redhat.com>
6775
6776         * doc/standards.texi: Document required freestanding libc entry points.
6777
6778 2002-04-02  Alan Modra  <amodra@bigpond.net.au>
6779
6780         * config/rs6000/rs6000.md (ctrdi*): Add FPR constraint and
6781         associated splitter.  Remove MQ constraint.
6782         (ctrdi_internal4): Correct CCmode clobber.
6783
6784 2002-04-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>
6785
6786         * milli64.S ($$dyncall): New function.
6787         * t-linux (LIB1ASMFUNCS): Revise module list.
6788         (LIB1ASMSRC): Use pa/milli64.S.
6789
6790 2002-04-02  Richard Henderson  <rth@redhat.com>
6791
6792         * fixinc/inclhack.def (AAB_solaris_sys_varargs_h): Move and
6793         rename solaris_sys_varargs_h.
6794
6795 Tue Apr  2 06:47:40 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6796
6797         * stor-layout.c (layout_type, case ARRAY_TYPE): Give one-element array
6798         the same mode as its component.
6799
6800 2002-04-02  Richard Henderson  <rth@redhat.com>
6801
6802         PR opt/190
6803         * final.c (this_is_asm_operands): Export.
6804         * output.h (this_is_asm_operands): Declare.
6805         * config/i386/i386.c (print_operand): Error odd asm operands.
6806
6807 2002-04-02  Richard Henderson  <rth@redhat.com>
6808
6809         PR opt/420
6810         * config/m68k/m68k.md (dbcc peepholes): Match four forms of dbra.
6811
6812 2002-04-01  Richard Henderson  <rth@redhat.com>
6813
6814         PR target/1538
6815         * fixinc/inclhack.def (solaris_sys_varargs_h): New.
6816         * fixinc/fixincl.x: Rebuild.
6817
6818 2002-04-01  Richard Henderson  <rth@redhat.com>
6819
6820         * config/ia64/unwind-ia64.c: Include ia64intrin.h.
6821         (atomic_alloc, atomic_free): New.
6822         (SIZE, MASK_FOR, PTR_IN): New.
6823         (emergency_reg_state, emergency_reg_state_free): New.
6824         (emergency_labeled_state, emergency_labeled_state_free): New.
6825         (reg_state_alloced, labeled_state_alloced): New.
6826         (alloc_reg_state, free_reg_state): New.
6827         (alloc_label_state, free_label_state, free_label_states): New.
6828         (push, pop, dup_state_stack, free_state_stack): Use them.
6829         (desc_label_state): Likewise.
6830         (uw_frame_state_for): Free label states and state stack.
6831         (uw_update_reg_address): Eliminate warnings.
6832
6833 2002-04-01  Vladimir Makarov  <vmakarov@redhat.com>
6834
6835         * config/pa/pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON,
6836         ASM_OUTPUT_ALIGNED_LOCAL): Redefine them.
6837
6838 2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>
6839
6840         * c-decl.c (grokdeclarator): Update.
6841         * c-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
6842         * c-tree.h (c_mark_addressable): New.
6843         * c-typeck.c (default_function_array_conversion, build_unary_op,
6844         build_array_ref, convert_for_assignment): Update.
6845         (mark_addressable): Rename.
6846         * calls.c (try_to_integrate, expand_call): Use langhook.
6847         * expr.c (expand_expr): Use langhook.
6848         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Update.
6849         * langhooks.h (struct lang_hooks): New hook.
6850         * stmt.c (expand_asm_operands): Use langhook.
6851         * tree.h (mark_addressable): Remove.
6852 objc:
6853         * objc-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
6854
6855 2002-04-01  Bob Wilson  <bob.wilson@acm.org>
6856
6857         * config/xtensa/xtensa.c (xtensa_va_arg): Fix compiler warning
6858         in previous change.
6859
6860 2002-04-01  Bob Wilson  <bob.wilson@acm.org>
6861
6862         * config/xtensa/xtensa.c (xtensa_va_arg): Fix to handle arguments
6863         for which MUST_PASS_IN_STACK is true (e.g., variable-sized types).
6864
6865 2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>
6866
6867         * c-common.c (unsigned_conversion_warning, convert_and_check,
6868         unsigned_type, signed_type, shorten_compare,
6869         c_common_get_alias_set, c_common_nodes_and_builtins): Use new hooks.
6870         (unsigned_type, signed_type, signed_or_unsigned_type): Rename.
6871         * c-common.h (unsigned_type, signed_type, signed_or_unsigned_type):
6872         New.
6873         * c-decl.c (grokdeclarator): Update.
6874         * c-format.c (check_format_types): Update.
6875         * c-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
6876         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
6877         * c-typeck.c (build_binary_op, convert_for_assignment): Update.
6878         * convert.c (convert_to_integer): Use new hooks.
6879         * expmed.c (make_tree): Use new hooks.
6880         * expr.c (store_expr): Use new hooks.
6881         * fold-const.c (operand_equal_for_comparison_p, build_range_check,
6882         all_ones_mask_p, unextend, fold): Use new hooks.
6883         * langhooks.h (struct lang_hooks_for_types): New hooks.
6884         * tree.h (signed_or_unsigned_type, signed_type,
6885         unsigned_type): Remove.
6886 objc:
6887         * objc-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
6888         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
6889
6890 2002-03-31  Richard Henderson  <rth@redhat.com>
6891
6892         * config/ia64/unwind-ia64.c (alloc_spill_area): Fix offset.
6893         (desc_frgr_mem): Fix reference to f16-f31.
6894
6895 2002-03-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6896
6897         * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
6898         RTVEC_ELT): Const-ify.
6899         * varray.h (VARRAY_CHECK): Const-ify.
6900         * ggc.h (ggc_mark_rtx, ggc_mark_tree, ggc_mark_nonnull_tree,
6901         ggc_mark_rtvec, ggc_mark): Const-ify.
6902
6903 2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>
6904
6905         * diagnostic.c: Include langhooks-def.h.
6906         * Makefile.in (diagnostic.o): Update.
6907
6908 2002-03-31  Neil Booth  <neil@daikokuya.demon.co.uk>
6909
6910         * c-common.c (c_unsafe_for_reeval): Rename.
6911         * c-common.h (c_unsafe_for_reeval): Rename.
6912         * c-decl.c (finish_incomplete_decl): Rename.
6913         (c_init_decl_processing): Don't set langhook.
6914         * c-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
6915         LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.
6916         * c-objc-common.c (c_objc_common_init): Don't set langhook.
6917         * c-tree.h (finish_incomplete_decl): Rename.
6918         * langhooks-def.h (lhd_unsafe_for_reeval): New.
6919         (LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL): New.
6920         (LANG_HOOKS_INITIALIZER): Update.
6921         * langhooks.c (lhd_unsafe_For_reeval): New.
6922         * langhooks.h (struct langhooks): New hooks.
6923         * toplev.c (incomplete_decl_finalize_hook): Remove.
6924         (wrapup_global_declarations): Update.
6925         * tree.c (lang_unsafe_for_reeval): Remove.
6926         (unsafe_for_reeval): Update.
6927         * tree.h (lang_unsafe_for_reeval, incomplete_decl_finalize_hook):
6928         Remove.
6929 objc:
6930         * objc-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
6931         LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.
6932
6933 2002-03-31  Neil Booth  <neil@daikokuya.demon.co.uk>
6934
6935         * diagnostic.c (print_error_function): Remove.
6936         (default_print_error_function): Rename.
6937         (report_error_function): Update.
6938         * diagnostic.h (print_error_function): Remove.
6939         (default_print_error_function): Remove.
6940         * langhooks-def.h (struct diagnostic_context): Predeclare.
6941         (lhd_print_error_function, LANG_HOOKS_PRINT_ERROR_FUNCTION): New.
6942         (LANG_HOOKS_INITIALIZER): Update.
6943         * langhooks.h (struct diagnostic context): Predeclare.
6944         (struct lang_hooks): New hook.
6945
6946 2002-03-31  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
6947
6948         * config/rs6000/rs6000.h (RS6000_PIC_OFFSET_TABLE_REGNUM): New.
6949         (PIC_OFFSET_TABLE_REGNUM): Use it and return INVALID_REGNUM if
6950         !flag_pic.
6951         (CONDITIONAL_REGISTER_USAGE): Adjust accordingly.
6952         * config/rs6000/rs6000.h: Use RS6000_PIC_OFFSET_TABLE_REGNUM instead
6953         of PIC_OFFSET_TABLE_REGNUM thruout.
6954         * config/rs6000/rs6000.md: Likewise.
6955         * config/rs6000/darwin.h: Likewise.
6956
6957 Sun Mar 31 14:43:24 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6958
6959         * emit-rtl.c (adjust_address_1, offset_address): Cast value to
6960         unsigned HOST_WIDE_INT, not unsigned int.
6961
6962 2002-03-31  Jakub Jelinek  <jakub@redhat.com>
6963
6964         PR middle-end/6096, middle-end/6098, middle-end/6099
6965         * reorg.c (emit_delay_sequence): Only increment LABEL_NUSES for
6966         CODE_LABELs.
6967         (fill_slots_from_thread): Likewise.
6968
6969 2002-03-31  Jakub Jelinek  <jakub@redhat.com>
6970
6971         * config/sparc/sparc.c (function_arg_record_value_1): Pass complex
6972         floating fields in float regs.
6973         (function_arg_record_value_2): Likewise.
6974
6975 2002-03-31  Hans-Peter Nilsson  <hp@bitrange.com>
6976
6977         * config/mmix/mmix.md (define_constants): Remove misleading
6978         FIXME.  Add MMIX_fp_rO_OFFSET.
6979         ("nonlocal_goto_receiver"): Don't have stack-frame address of
6980         saved rO as part of the pattern.  Remove FIXME.
6981         ("*nonlocal_goto_receiver_expanded"): Similar.  Generate address
6982         here, at output-time.
6983
6984 2002-03-31  Jakub Jelinek  <jakub@redhat.com>
6985
6986         PR middle-end/6100
6987         * config/sparc/sparc.c (output_cbranch): Use REG_BR_PROB, not
6988         REG_BR_PRED.
6989         (output_v9branch): Likewise.
6990
6991 2002-03-31  Alexandre Oliva  <aoliva@redhat.com>
6992
6993         * gcc.c: Revert previous patch for now.
6994         * config/i386/djgpp.h: Likewise.
6995
6996 2002-03-31  Hans-Peter Nilsson  <hp@bitrange.com>
6997
6998         * config/mmix/crti.asm (_init): Register _fini with atexit.
6999         * config/mmix/crtn.asm (_fini): Add omitted "POP 0,0".
7000
7001 2002-03-31  Richard Henderson  <rth@redhat.com>
7002
7003         PR target/3997
7004         * config/alpha/elf.h (ASM_OUTPUT_DEF): Tidy.
7005         (ASM_OUTPUT_DEF_FROM_DECLS): New.
7006
7007 2002-03-31  Richard Henderson  <rth@redhat.com>
7008
7009         * libgcc2.c (__bb_exit_func): Make static.
7010
7011         * config/alpha/alpha.md (trap): New.
7012
7013 2002-03-31  Richard Henderson  <rth@redhat.com>
7014
7015         * builtins.c (expand_builtin_va_arg): Give warnings not errors for
7016         promoted argument types; build trap.
7017         (expand_builtin_trap): New.
7018         (expand_builtin): Use it.
7019         * stmt.c (expand_nl_goto_receivers): Likewise.
7020         * expr.h (expand_builtin_trap): Declare.
7021         * libfuncs.h (LTI_abort, abort_libfunc): New.
7022         * optabs.c (init_optabs): Init abort_libfunc.
7023
7024 2002-03-31  Alexandre Oliva  <aoliva@redhat.com>
7025
7026         * gcc.c (LIBGCC_SPEC): Folded %L and duplicate %G here...
7027         (LINK_COMMAND_SPEC): ... from here.
7028         (init_gcc_specs): Duplicate it here too, omitting
7029         shared_name in the second copy.
7030         (init_spec): Test for duplicate
7031         * config/i386/djgpp.h (LINK_COMMAND_SPEC): Remove `%L %G'.
7032
7033 2002-03-30  David S. Miller  <davem@redhat.com>
7034
7035         * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7036         * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Likewise.
7037
7038 2002-03-30  Roger Sayle <roger@eyesopen.com>
7039             Richard Henderson  <rth@redhat.com>
7040
7041         * regmove.c (combine_stack_adjustments_for_block): Avoid
7042         emitting a stack adjustment of zero bytes.  Let delete_insn
7043         update bb->head.
7044
7045 2002-03-30  Richard Henderson  <rth@redhat.com>
7046
7047         * config/sparc/sparc.c: Remove all references to TARGET_EPILOGUE.
7048         (sparc_emitting_epilogue): New.
7049         (leaf_label, output_return, sparc_return_peephole_ok): Remove.
7050         * config/sparc/sparc-protos.h: Update.
7051         * config/sparc/sparc.h (MASK_EPILOGUE, TARGET_EPILOGUE): Remove.
7052         (TARGET_SWITCHES): Update.
7053         * config/sparc/sparc.md (return): Remove.
7054         (return_*): Use sparc_emitting_epilogue, not !TARGET_EPILOGUE.
7055         * config/sparc/freebsd.h, config/sparc/linux64.h, config/sparc/lite.h,
7056         config/sparc/liteelf.h, config/sparc/netbsd-elf.h,
7057         config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
7058         config/sparc/sp64-aout.h, config/sparc/sp64-elf.h,
7059         config/sparc/sp86x-aout.h, config/sparc/sp86x-elf.h,
7060         config/sparc/splet.h, config/sparc/vxsparc64.h (TARGET_DEFAULT):
7061         Remove MASK_EPILOGUE.
7062         * doc/invoke.texi: Update.
7063
7064 2002-03-30  Daniel Berlin  <dan@dberlin.org>
7065
7066         * dwarf2out.c (dwarf2out_define): Remove start_source_file call,
7067         CPP will start the file for us.
7068
7069 2002-03-30  Richard Henderson  <rth@redhat.com>
7070
7071         PR target/5446
7072         * config/ia64/ia64.c (group_barrier_needed_p): Special case
7073         prologue_allocate_stack.
7074         (ia64_single_set): Use insn codes for recognition of special
7075         cases, not rtl matching.
7076         * config/ia64/ia64.md (prologue_allocate_stack): Op 3 is in-out.
7077
7078 Sat Mar 30 23:48:41 CET 2002  Jan Hubicka  <jh@suse.cz>
7079
7080         * cfgbuild.c (find_basic_blocks_1): Clear aux for blocks.
7081
7082 2002-03-30  Richard Henderson  <rth@redhat.com>
7083
7084         PR target/6032
7085         * config/sparc/sparc.h (OVERRIDE_OPTIONS): Don't override -fpic
7086         or -fomit-frame-pointer with profiling.
7087         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
7088         (FUNCTION_PROFILER): Do nothing.
7089         (PROFILE_HOOK): New.
7090         * config/sparc/sparc.c (sparc_override_options): Don't check
7091         code models for profiling.
7092         (sparc_function_profiler): Remove.
7093         (sparc_profile_hook): New.
7094         * config/sparc/sparc-protos.h: Update.
7095
7096 2002-03-30  Jakub Jelinek  <jakub@redhat.com>
7097
7098         PR optimization/6086
7099         * combine.c (combine_simplify_rtx): If simplify_rtx failed because
7100         of SUBREG of volatile MEM or because the MEM was mode dependent,
7101         return CLOBBER instead of unmodified SUBREG.
7102
7103 Sat Mar 30 14:08:55 CET 2002  Jan Hubicka  <jh@suse.cz>
7104
7105         * local-alloc.c (local_alloc): Avoid call of update_equiv_regs
7106         when not optimizing.
7107
7108         * toplev.c (rest_of_compilation): Cann mark_constant_function
7109         only when optimizing.
7110
7111         * flow.c (calculate_global_regs_live): Ensure that all AUX fields
7112         are NULL.
7113
7114         * cfgcleanup.c (bb_flags): Add BB_NONTHREADABLE_BLOCK.
7115         (thread_jump): Set BB_NONTHREADABLE_BLOCK, check it.
7116         (try_optimize_cfg): clear all AUX fields.
7117
7118         * i386.c (aligned_operand): Be prepared for SUBREGed registers.
7119         (ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
7120         (ix86_address_cost): Be prepared for SUBREGed registers.
7121         (legitimate_address_p): Accept SUBREGed registers.
7122
7123 2002-03-29  Richard Henderson  <rth@redhat.com>
7124
7125         PR target/5672
7126         * expr.c (expand_expr): Pass along EXPAND_INITIALIZER one more place.
7127
7128 2002-03-29  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
7129
7130         * config/rs6000/rs6000.c (rs6000_va_arg): Correctly set register count
7131         for aggregate and TFmode types.
7132
7133 2002-03-29  Hans-Peter Nilsson  <hp@bitrange.com>
7134
7135         * cfg.c (dump_flow_info): Guard against NULL regno_reg_rtx[i].
7136
7137 2002-03-29  Richard Henderson  <rth@redhat.com>
7138
7139         PR target/5886
7140         * config/ia64/aix.h (CPP_PREDEFINES): Add -D_LP64.
7141         * config/ia64/hpux.h, config/ia64/linux.h: Likewise.
7142
7143 2002-03-29  Richard Henderson  <rth@redhat.com>
7144
7145         PR target/6041
7146         * config/i386/i386.c (x86_arch_always_fancy_math_387): New.
7147         (override_options): Disable NO_FANCY_MATH_387 if the arch allows.
7148         * config/i386/i386.h (x86_arch_always_fancy_math_387): New.
7149         * config/i386/i386.md (sqrtxf2, sqrtextendsfxf2, sinxf2): Fix
7150         conditional.
7151         * docs/invoke.texi: Update -mno-fancy-math-387 docs.
7152
7153 2002-03-29  Dale Johannesen <dalej@apple.com>
7154
7155         * loop.c (combine_movables): Do allow combination of pseudos.
7156
7157 2002-03-29  Loren J. Rittle  <ljrittle@acm.org>
7158
7159         * config.gcc (*-*-freebsd*): Enable creation of libgcc_s.so.
7160         * config/t-slibgcc-elf-ver (SHLIB_LC): Add macro and use it.
7161         No functional change except ...
7162         * config/t-slibgcc-nolc-override (SHLIB_LC): Override it.  New file.
7163         * doc/install.texi (*-*-freebsd*): Document port configuration.
7164
7165 2002-03-29  Neil Booth  <neil@daikokuya.demon.co.uk>
7166
7167         * Makefile.in (convert.o, calls.o, expmed.o): Update.
7168         * attribs.c (handle_mode_attribute, handle_vector_size_attribute):
7169         Use new hooks.
7170         * builtin-types.def (BT_PTRMODE): Update.
7171         * c-common.c (type_for_size): Rename c_common_type_for_size.
7172         (type_for_mode): Similarly.
7173         (shorten_compare, pointer_int_sum, c_common_nodes_and_builtins):
7174         Use new hook.
7175         * c-bommon.h (c_common_type_for_size, c_common_type_for_mode): New.
7176         * c-decl.c (finish_enum, build_enumerator): Use new hooks.
7177         * c-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIZE):
7178         Redefine.
7179         * c-typeck.c (common_type, comptypes, default_conversion):
7180         Use new hooks.
7181         * calls.c: Include langhooks.h.
7182         (emit_library_call_value_1): Use new hooks.  Avoid redundant
7183         calls.
7184         * convert.c: Include langhooks.h
7185         (convert_to_pointer, convert_to_integer): Use new hooks.
7186         * except.c (init_eh): Similarly.
7187         * expmed.c: Include langhooks.h.
7188         (expand_mult_add): Use new hooks.
7189         * expr.c (store_expr, store_constructor, expand_expr, do_jump,
7190         try_casesi): Similarly.
7191         * fold-const.c (optimize_bit_field_compare, make_range,
7192         decode_field_reference, fold_truthop, fold): Similarly.
7193         * function.c (assign_stack_local_1, assign_stack_temp_for_type,
7194         put_var_into_stack): Similarly.
7195         * langhooks-def.h (LANG_HOOKS_TYPE_FOR_MODE,
7196         LANG_HOOKS_TYPE_FOR_SIZE): New.
7197         (LANG_HOOKS_TYPES_INITIALIZER): Update.
7198         * langhooks.h (lang_hooks_for_types): New hooks.
7199         * stmt.c (expand_decl_cleanup, emit_case_nodes): Use new hooks.
7200         * tree.c (get_unwidened, get_narrower): Similarly.
7201         * tree.h (type_for_mode, type_for_size): Remove.
7202         * varasm.c (force_const_mem): Use new hooks.
7203         * utils2.c (nonbinary_modular_operation): Update.
7204 objc:
7205         * objc-act.c (handle_impent): Update.
7206         * objc-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIaZE):
7207         Redefine.
7208
7209 2002-03-29  Steve Ellcey  <sje@cup.hp.com>
7210
7211         * config/ia64/ia64.md (*ptr_extend_plus_1, *ptr_extend_plus_2): New.
7212         * config/ia64/ia64.c (basereg_operand): New.
7213         * config/ia64/ia64-protos.h (basereg_operand): Declare.
7214         * config/ia64/ia64.h (PREDICATE_CODES): Add basereg_operand.
7215
7216 2002-03-29  Hans-Peter Nilsson  <hp@bitrange.com>
7217
7218         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Correct
7219         unwind information when frame_pointer_needed.
7220         (mmix_assemble_integer): Tweak wording in comment.
7221
7222 2002-03-29  Neil Booth  <neil@daikokuya.demon.co.uk>
7223
7224         * Makefile.in (except.o): Update.
7225         * except.c: Include langhooks.h.
7226         (init_eh): Use langhook.
7227         * langhooks-def.h (LANG_HOOKS_MAKE_TYPE,
7228         LANG_HOOKS_FOR_TYPES_INITIALIZER): New.
7229         (LANG_HOOKS_INITIALIZER): Update.
7230         * langhooks.h (lang_hooks_for_types): New.
7231         (struct lang_hooks): Add it.
7232         * tree.c (make_lang_type_fn, make_lang_type): Remove.
7233         * tree.h (make_lang_type_fn, make_lang_type): Remove.
7234 config:
7235         * alpha/alpha.c: Include langhooks.h.
7236         (alpha_build_va_list): Use langhook.
7237         * d30v/d30v.c: Include langhooks.h.
7238         (d30v_build_va_list): Use langhook.
7239         * i386/i386.c: Include langhooks.h.
7240         (ix86_build_va_list): Use langhook.
7241         * rs6000/rs6000.c (rs6000_build_va_list): Use langhook.
7242         * s390/s390.c: Include langhooks.h.
7243         (s390_build_va_list): Use langhook.
7244         * stormy16/stormy16.c: Include langhooks.h.
7245         (stormy16_build_va_list): Use langhook.
7246
7247 2002-03-29  Jakub Jelinek  <jakub@redhat.com>
7248
7249         PR c++/5964
7250         * config/sparc/sparc.md (empty_delay_slot, branch_type): New
7251         attributes.
7252         (length): Compute variable length for branches/calls/jumps here.
7253         (branch, inverted_branch, normal_fp_branch, inverted_fp_branch,
7254         normal_fpe_branch, inverted_fpe_branch): Remove length attribute,
7255         define branch_type attribute.
7256         (divsi3_sp32): Maximum length is 6 not 7.
7257         (call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
7258         call_address_untyped_struct_value_sp32,
7259         call_symbolic_untyped_struct_value_sp32): Set length to 3 not 2.
7260         * config/sparc/sparc.c (empty_delay_slot): New function.
7261         * config/sparc/sparc.h (ADJUST_INSN_LENGTH): Remove.
7262         * config/sparc/sparc-protos.h (empty_delay_slot): Add prototype.
7263
7264 2002-03-29  Jakub Jelinek  <jakub@redhat.com>
7265
7266         * combine.c (set_nonzero_bits_and_sign_copies): Don't call
7267         nonzero_bits if not needed.
7268         (nonzero_bits) [XOR]: Likewise.
7269         (nonzero_bits) [REG]: Use reg_last_set_nonzero_bits even if
7270         reg_last_set_mode and mode are both MODE_INT, but not equal.
7271         (record_value_for_reg): Compute reg_last_set_nonzero_bits
7272         in nonzero_bits_mode for MODE_INT modes.
7273
7274 2002-03-28  Richard Henderson  <rth@redhat.com>
7275
7276         PR target/5715
7277         * config/alpha/osf.h (ASM_SPEC): Don't pass any special options
7278         to GAS.  Correct drift between alternatives.
7279
7280 2002-03-28  Richard Henderson  <rth@redhat.com>
7281
7282         PR target/6087
7283         * reload1.c (fixup_abnormal_edges): Move insn to edge via sequence.
7284
7285 2002-03-28  Alexandre Oliva  <aoliva@redhat.com>
7286
7287         * config/i386/freebsd.h (LINK_SPEC): Don't pass default
7288         emulation to the linker.
7289
7290 2002-03-28  Loren J. Rittle  <ljrittle@acm.org>
7291
7292         * config/alpha/freebsd.h (LINK_SPEC): Likewise.
7293         * config/sparc/freebsd.h (LINK_SPEC): Likewise.
7294
7295 Thu Mar 28 16:35:31 2002  Jeffrey A Law  (law@redhat.com)
7296
7297         * combine.c (simplify_and_const_int): Make sure to apply mask
7298         when force_to_mode returns a constant integer.  PR3311.
7299
7300 2002-03-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>
7301
7302         * pa-linux.h (LOCAL_LABEL_PREFIX): Define.
7303
7304 2002-03-28  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
7305
7306         * doc/invoke.texi (Warning Options): Refer to C++ Dialect Options
7307         and Objective-C Dialect Options.
7308
7309 2002-03-28  Richard Henderson  <rth@redhat.com>
7310
7311         * config/alpha/alpha.c (alpha_emit_conditional_branch): TFmode NE
7312         comparison should be done vs !=0 not >0 return code.  Tidy cases.
7313
7314 2002-03-28  Richard Henderson  <rth@redhat.com>
7315
7316         * c-decl.c (finish_function): New arg can_defer_p.  Pass it
7317         on to c_expand_body.
7318         * c-tree.h (finish_function): Update decl.
7319         * c-objc-common.c, c-parse.in, objc/objc-act.c: Update calls.
7320
7321 Thu Mar 28 19:13:36 CET 2002  Jan Hubicka  <jh@suse.cz>
7322
7323         * ifcvt.c (if_convert): Clear aux_for_blocks early enought.
7324
7325 Thu Mar 28 13:21:53 CET 2002  Jan Hubicka  <jh@suse.cz>
7326
7327         * rtlanal.c: Include flags.h
7328         (may_trap_p): Do not mark FP operations if trapping
7329         if !flag_trapping_math
7330         * Makefile.in (rtlanal.o): Add dependency on flag.h
7331         * ifcvt.c (noce_operand_ok): Avoid the lameness.
7332
7333 2002-03-27  Zack Weinberg  <zack@codesourcery.com>
7334
7335         * mips.md: Use dconst1, not 1.0, as first argument of
7336         REAL_VALUE_LDEXP.  Don't use union real_extract.
7337
7338 2002-03-28  Alan Modra  <amodra@bigpond.net.au>
7339
7340         * configure.in (gcc_cv_as): Use $target_alias in directory searchs
7341         rather than $target.  Heed program_prefix and
7342         program_transform_name.  Search for gas in cross-compiler case too.
7343         "test -x" rather than "test -f".
7344         (gcc_cv_ld): Likewise.
7345         (gcc_cv_nm): Heed program_prefix and program_transform_name.
7346         (gcc_cv_objdump): Likewise.
7347         * configure: Regenerate.
7348
7349 2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>
7350
7351         * Makefile.in (attribs.o): Update.
7352         * attribs.c: Include langhooks.h.
7353         (decl_attributes): Use langhook.
7354         * c-decl.c (insert_default_attributes): Rename.
7355         * c-tree.h (c_insert_default_attributes): New.
7356         * langhooks-def.h (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES):New.
7357         (LANG_HOOKS_INITIALIZER): Update.
7358         * langhooks.h (struct lang_hooks): New hook.
7359         * tree.h (insert_default_attributes): Remove.
7360 objc:
7361         * objc-lang.c (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES): Redefine.
7362
7363 2002-03-27  Andreas Schwab  <schwab@suse.de>
7364
7365         * config/i386/i386.c (classify_argument): Also check for
7366         QUAL_UNION_TYPE.
7367
7368 2002-03-27  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7369
7370         * doc/install.texi (alpha*-dec-osf*): Don't need --enable-libgcj
7371         any more.
7372
7373 Wed Mar 27 23:19:30 CET 2002  Jan Hubicka  <jh@suse.cz>
7374
7375         * i960.md (ret): Set PC.
7376         (nonlocal_goto): Fix expander.
7377         * builtins.c (epxand_builin_longjmp): Check that we've emitted
7378         some jump or call.
7379
7380 Wed Mar 27 23:11:35 CET 2002  Jan Hubicka  <jh@suse.cz>
7381
7382         * optabs.c (emit_no_conflict_block, emit_libcall_block): Avoid nesting
7383         of libcall regions.
7384
7385 Wed Mar 27 22:54:14 CET 2002  Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
7386
7387         * cfgrtl.c (merge_blocks_nomove): Use set_block_for_insn instead of
7388         assigning to BLOCK_FOR_INSN directly.
7389
7390 Wed Mar 27 22:33:05 CET 2002  Jan Hubicka  <jh@suse.cz>
7391
7392         * i386.c (ix86_output_addr_diff_elt): Remove binutils bug workaround.
7393
7394 2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>
7395
7396         * c-common.c (c_expand_expr): Fix prototype.
7397         * c-common.h (c_expand_expr): Always declare, update.
7398         * c-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
7399         * c-objc-common.c (c_objc_common_init): No global hook.
7400         * expr.c (expand_expr): Use langhook.
7401         * expr.h (enum expand_modifier): Conditionally declare.
7402         * langhooks-def.h (lhd_expand_expr, LANG_HOOKS_EXPAND_EXPR): New.
7403         (LANG_HOOKS_INITIALIZER): Update.
7404         * langhooks.c (lhd_expand_expr): New.
7405         * langhooks.h (struct lang_hooks): New hook.
7406         * toplev.c (lang_expand_expr_t, lang_expand_expr): Delete.
7407         (lang_independent_init): Don't default hook.
7408 objc:
7409         * objc-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
7410
7411 2002-03-27  Richard Henderson  <rth@redhat.com>
7412
7413         PR target/6054
7414         * config/ia64/ia64.c (ia64_expand_call): Use pic patterns for
7415         TARGET_CONST_GP.  Simplify conditions.
7416
7417 2002-03-27  Richard Henderson  <rth@redhat.com>
7418
7419         * config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
7420         config/sparc/netbsd-elf.h, config/sparc/pbd.h, config/sparc/sol2.h,
7421         config/sparc/vxsim.h (LOCAL_LABEL_PREFIX): Define.
7422
7423 2002-03-27  Danny Smith  <dannysmith@users.sourceforge.net>
7424
7425         * config/i386/cygwin.h (TARGET_DLL, TARGET_WIN32,
7426         TARGET_CYGWIN, TARGET_WINDOWS): Remove unused switches.
7427         (MASK_DLL, MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS):
7428         Remove unnecessary masks.
7429         (MASK_NOP_FUN_DLLIMPORT): Use an unused an bit.
7430         (SUBTARGET_SWITCHES): Use empty masks for -mwin32, -mcygwin,
7431         -mwindows, -mdll switches and their negations.
7432
7433 2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>
7434
7435         * gcc-common.c (lang_mark_false_label_stack): Remove.
7436         * ggc.h (lang_mark_false_label_stack): Similarly.
7437
7438 2002-03-26  Vladimir Makarov  <vmakarov@redhat.com>
7439
7440         * pa/pa-pro-end.h (CPP_PREDEFINES): Add -D__pro__.
7441
7442         * pa/lib2funcs.asm: Don't use .SPACE and .SUBSPACE if __pro__
7443         or __rtems_ is defined.
7444
7445 2002-03-26  Richard Henderson  <rth@redhat.com>
7446
7447         * config/alpha/alpha.c (alpha_emit_set_const): Add a REG_EQUAL note
7448         if a non-trivial load was emitted.
7449         (alpha_emit_set_const_1): Remove obsolete extension.  Fix thinko
7450         in high+extra+low case.
7451
7452 2002-03-26  Richard Henderson  <rth@redhat.com>
7453
7454         * config.gcc (sparc*-solaris): Use float_format=sparc.
7455
7456 2002-03-26  Richard Henderson  <rth@redhat.com>
7457
7458         * config/sparc/sparc.h (MAX_WCHAR_TYPE_SIZE): Don't define.
7459         * config/sparc/linux-aout.h (MAX_WCHAR_TYPE_SIZE): Don't undef.
7460         * config/sparc/linux.h, config/sparc/linux64.h: Likewise.
7461         * config/sparc/sol2.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Redefine.
7462         (WINT_TYPE_SIZE): Fix at 32.
7463
7464 2002-03-26  Richard Henderson  <rth@redhat.com>
7465
7466         * toplev.c (rest_of_compilation): Delay emit_initial_value_sets
7467         until after eh landing pad generation.
7468         * config/alpha/alpha.c (alpha_gp_save_rtx): Use gen_mem_addressof.
7469         * config/alpha/alpha.md (exception_receiver_2): Only accept MEMs.
7470
7471 2002-03-26  Richard Henderson  <rth@redhat.com>
7472
7473         * expr.h (ADD_PARM_SIZE): One more convert for INC.
7474
7475 2002-03-26  Phil Edwards  <pme@gcc.gnu.org>
7476
7477         * gcc.c (cpp_options):  Preserve relative ordering of -pedantic
7478         and warning switches.
7479         (cc1_options):  Likewise.
7480
7481 2002-03-26  Hans Boehm <Hans_Boehm@hp.com>
7482
7483         * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR):
7484         Restore more of the signal context.  Set no_reg_stack_frame.
7485         * config/ia64/unwind-ia64.c (unw_state_record):
7486         Add no_reg_stack_frame, comments.
7487         (uw_frame_state_for): Initialize when field to UNW_WHEN_NEVER.
7488         (uw_update_context): Adjust bsp when unwinding from leaf,
7489         but not signal frame.
7490
7491 2002-03-26  David Edelsohn  <edelsohn@gnu.org>
7492
7493         * config/rs6000/aix51.h (WCHAR_TYPE): Define.
7494
7495 2002-03-26  Bob Wilson  <bob.wilson@acm.org>
7496
7497         * config/xtensa/xtensa.c (xtensa_va_arg): Handle variable-sized types.
7498
7499 2002-03-26  Richard Earnshaw  <rearnsha@arm.com>
7500
7501         PR target/5621
7502         * arm.md (define_asm_attributes): Reapply patch of Thu Sep 9, 1999:
7503         "Add a pool_range attribute", which was lost during the ARM/Thumb
7504         merge.
7505
7506 2002-03-26  Bob Wilson  <bob.wilson@acm.org>
7507
7508         * config/xtensa/xtensa.c (xtensa_valid_move): Allow move from
7509         a register into the MAC16 accumulator.
7510
7511 2002-03-26  Andrew Cagney  <ac131313@redhat.com>
7512
7513         * doc/invoke.texi (Option Summary): Mention -Wswitch-enum.
7514         (Warning Options): Document -Wswitch-enum.
7515         * toplev.c (W_options): Add -Wswitch-enum.  Update comment on
7516         -Wswitch.
7517         (warn_switch_enum): Define variables.
7518         * flags.h (warn_switch_enum): Declare variables.
7519         * stmt.c (expand_end_case_type): When warn_switch_enum /
7520         -Wswitch-enum, perform switch checks.
7521         Fix PR c/5044.
7522
7523 2002-03-26  Richard Earnshaw  <rearnsha@arm.com>
7524
7525         * arm.md (reload_mulsi3, reload_mulsi_compare0, reload_muladdsi)
7526         (reload_mulsi_compare0_scratch, reload_muladdsi_compare0)
7527         (reload_muladdsi_compare0_scratch): Delete.
7528
7529 2002-03-26  Loren J. Rittle  <ljrittle@acm.org>
7530
7531         * doc/install.texi (*-*-freebsd*): Update.
7532
7533 2002-03-26  Richard Henderson  <rth@redhat.com>
7534
7535         * expr.h (ADD_PARM_SIZE): Cast INC to ssizetype.
7536         (SUB_PARM_SIZE): Cast DEC to ssizetype.
7537
7538         * config/alpha/alpha.c (alpha_va_arg): Read MUST_PASS_IN_STACK
7539         types from the normal argument frame.
7540
7541         * config/sparc/sparc.c (function_arg_pass_by_reference): Pass
7542         variable sized objects by reference.
7543         (sparc_va_arg): Receive them by reference too.
7544
7545 2002-03-26  Hartmut Penner  <hpenner@de.ibm.com>
7546
7547         * config/s390/s390.c (s390_emit_epilogue): Change epilogue
7548         code to not restoring global registers.
7549
7550 2002-03-26  Neil Booth  <neil@daikokuya.demon.co.uk>
7551
7552         * Makefile.in (ggc-common.o): Update.
7553         * c-decl.c (lang_mark_tree): Rename c_mark_tree.
7554         * c-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
7555         * c-tree.h (c_mark_tree): New.
7556         * ggc-common.c: Include langhooks.h.
7557         (gcc_mark_trees): Use new langhook.
7558         * ggc-callbacks.c: Delete file.
7559         * ggc.h (lang_mark_tree): Remove.
7560         * langhooks-def.h (LANG_HOOKS_MARK_TREE): New.
7561         (LANG_HOOKS_INITIALIZER): Update.
7562         * langhooks.h (struct lang_hooks): New hook.
7563 objc:
7564         * objc-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
7565
7566 2002-03-25  Zack Weinberg  <zack@codesourcery.com>
7567
7568         * doc/cpp.texi: Exclude entire Top node from printed manual.
7569         Move option index after directive index.  Insert page breaks
7570         before GFDL and concept index.  Index environment variables
7571         with command line options.
7572         * doc/cppenv.texi: Use @vtable for environment variable list.
7573         Add paragraph explaining semantics of empty elements in path
7574         variables.  Exclude a cross-reference to Fishkill from the
7575         manpage.  Remove an unnecessary cross-reference of the entry
7576         right above the referer.  Don't use @anchor in text that goes
7577         into manpage.
7578         * doc/cppopts.texi: Cross-reference the environment variables
7579         section, not the specific environment variable, for consistency.
7580
7581 2002-03-25  Richard Henderson  <rth@redhat.com>
7582
7583         * recog.c (peephole2_optimize): Distribute EH_REGION -1 notes
7584         anywhere in the block.  Don't refer to insns that have been
7585         removed from the chain.  Iterate backward through the new insns.
7586         Don't refer to edges that have been removed.
7587
7588 2002-03-26  Alan Modra  <amodra@bigpond.net.au>
7589
7590         * combine.c (simplify_comparison <ASHIFTRT, LSHIFTRT>): Correct
7591         test for overflow of constant.
7592
7593 2002-03-25  Richard Earnshaw  <rearnsha@arm.com>
7594
7595         PR target/2623
7596         * arm.md (loadhi_preinc, loadhi_predec, loadhi_shiftpreinc)
7597         (loadhi_shiftpredec, loadhi-with-writeback peephole): Don't use
7598         these patterns on arm_archv4.
7599
7600 2002-03-25  Danny Smith  <dannysmith@sourceforge.users.net>
7601
7602         * config/i386/mingw32.h (WINT_TYPE): Define as "short unsigned
7603         int".
7604
7605 2002-03-25  Zack Weinberg  <zack@codesourcery.com>
7606
7607         * toplev.c: Don't include setjmp.h.  Kill float_handler_set,
7608         float_handled, float_handler, float_signal, set_float_handler,
7609         and do_float_handler.  Set handler for SIGFPE to crash_signal.
7610         * toplev.h: Don't prototype do_float_handler.
7611
7612         * c-lex.c: Fold parse_float into lex_number.  Make warning
7613         about portability of hex float constants more informative, and
7614         don't issue it on top of a syntax error.
7615         * fold-const.c: Fold const_binop_1 and fold_convert_1 into
7616         their callers.
7617         * real.h: Define REAL_VALUE_ABS here...
7618         * simplify-rtx.c: ... not here.  Fold check_fold_consts,
7619         simplify_unary_real, simplify_binary_real, and
7620         simplify_binary_is2orm1 into their callers.
7621         * tree.c: Fold build_real_from_int_cst_1 into caller.
7622
7623         * doc/tm.texi: Document REAL_VALUE_ABS and REAL_VALUE_NEGATIVE.
7624
7625         * tsystem.h: Include float.h here...
7626         * libgcc2.c: ... not here.
7627
7628 2002-03-25  Nick Clifton  <nickc@cambridge.redhat.com>
7629
7630         Fixes for: PR bootstrap/3591, target/5676
7631         * config/mcore/mcore.h (CC1_SPEC): Define only if not already
7632         defined.  Do not disable exceptions or rtti.
7633         * config/mcore/mcore-pe.h (CC1_SPEC): Define before including
7634         mcore.h.  Disable exceptions and rtti, since they are not
7635         supported by EPOC.
7636
7637 2002-03-25  Neil Booth  <neil@daikokuya.demon.co.uk>
7638
7639         * c-decl.c (maybe_build_cleanup): Remove.
7640         * expr.c (expand_expr): Use langhook.
7641         * langhooks-def.h (lhd_return_null_tree,
7642         LANG_HOOKS_MAYBE_BUILD_CLEANUP): New.
7643         (LANGHOOKS_INITIALIZER): Update.
7644         * langhooks.c (lhd_return_null_tree): New.
7645         * langhooks.h (struct lang_hooks): New hook.
7646         * tree-inline.c (initialize_inlined_parameters): Use langhook.
7647         * tree.h (maybe_build_cleanup): Remove.
7648
7649 2002-03-25  Jakub Jelinek  <jakub@redhat.com>
7650
7651         * regrename.c (build_def_use): Move recog_memoized
7652         before extract_insn.
7653
7654 2002-03-25  Jakub Jelinek  <jakub@redhat.com>
7655
7656         PR target/6043
7657         * expr.c (emit_group_store): Handle storing into CONCAT.
7658
7659 2002-03-25  Jakub Jelinek  <jakub@redhat.com>
7660
7661         * regrename.c (build_def_use): Share RTL between MATCH_OPERATOR and
7662         corresponding MATCH_DUP.
7663
7664 2002-03-24  Richard Henderson  <rth@redhat.com>
7665
7666         * unroll.c (unroll_loop): Zero label_map.
7667
7668         * gcse.c: Include except.h.
7669         * Makefile.in (gcse.o): Update.
7670
7671 2002-03-24  Richard Henderson  <rth@redhat.com>
7672
7673         * varasm.c (asm_emit_uninitialised): Revert 2002-03-14 change.
7674         Do resolve_unique_section before shared data clause.
7675
7676 2002-03-24  Richard Henderson  <rth@redhat.com>
7677
7678         * config/alpha/elf.h (STARTFILE_SPEC): Use crtbeginT with -static.
7679
7680 2002-03-24  Richard Henderson  <rth@redhat.com>
7681
7682         * recog.c (peephole2_optimize): Split blocks when EH insns are
7683         generated in the middle of a block.  Do global life update if
7684         zapped EH edges.
7685
7686 2002-03-24  Richard Henderson  <rth@redhat.com>
7687
7688         * mips.c (mips_function_value): Only promote_mode for non-libcalls.
7689
7690 2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>
7691
7692         preprocessor/3951
7693         * gcc.c (cpp_options): Pass -MD through as -MD not -M -MF.
7694         * cppinit.c (cpp_handle_option): Set no_ouput if -MD or -MMD.
7695         (init_dependency_output): Don't make no_output decision here.
7696
7697 2002-03-24  Andrew Cagney  <ac131313@redhat.com>
7698
7699         * stmt.c (check_for_full_enumeration_handling): Remove tests of
7700         warn_switch.  Update description.
7701         (expand_end_case_type): Call check_for_full_enumeration_handling
7702         when warn_switch.
7703
7704 2002-03-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
7705
7706         * config/m68hc11/m68hc11.c (m68hc11_autoinc_compatible_p): New function.
7707         (m68hc11_split_move): Call it to see if the source and destination
7708         operands use the same direction auto inc/dec mode, otherwise make the
7709         source an offsetable memory operand and generate an add.
7710
7711 2002-03-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
7712
7713         * config/m68hc11/m68hc11.md ("*subsi3_zero_extendhi"): Allow address
7714         register for operand 2.
7715         ("*subsi3_zero_extendqi"): Likewise.
7716         ("*iorhi3_gen"): Do the operation on the upper bits and then lower
7717         bits so that it is compatible with a pop.
7718         ("*andhi3_gen"): Likewise.
7719         ("xorhi3"): Likewise.
7720
7721 2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>
7722
7723         * cppinit.c (cpp_handle_option): Set warn_endif_labels if
7724         -pedantic here...
7725         (cpp_post_options): ... not here.
7726
7727 2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>
7728             Aldy Hernandez  <aldyh@redhat.com>
7729
7730         Removal of separate preprocessor cpp0.
7731
7732         * Makefile.in (GCC_PASSES, STAGESTUFF, LIBCPP_OBJS,
7733         cpp0, install-common): Update.
7734         * c-common.c (flag_preprocess_only): New.
7735         (c_common_init): Preprocess for -E.
7736         * c-common.h (flag_preprocess_only): New.
7737         * c-decl.c (c_decode_option): Handle -E and -std=c++98.
7738         * c-objc-common.c (c_init_decl_processing): Exit quickly
7739         for NULL return from c_common_init.
7740         * cpplib.h (cpp_preprocess_file): New.
7741         * cppmain.c (main, general_init, pfile, progname): Remove.
7742         (do_preprocessing): Rename cpp_preprocess_file, don't call
7743         cpp_finish.  Don't close stdout here.
7744         (setup_callbacks): Update prototype.
7745         * gcc.c (trad_capable_cpp, cpp_unique_options, default_compilers):
7746         Update.
7747         * tradcpp.c (main): Ignore -quiet.
7748 objc:
7749         * lang-specs.h (default_compilers): Preprocess with cc1obj.
7750
7751 2002-03-24  Richard Henderson  <rth@redhat.com>
7752
7753         PR optimization/5742
7754         * machmode.def: Add inner mode field to complex modes.
7755         * config/mips/mips.c (mips_function_value): Always define.  Add
7756         new argument to handle libcalls.
7757         * config/mips/mips.h (LIBCALL_VALUE): Use mips_function_value.
7758         (FUNCTION_VALUE): Likewise.
7759         * config/mips/abi64.h (FUNCTION_VALUE): Remove.
7760         * config/mips/mips-protos.h: Update.
7761
7762 2002-03-23  Richard Henderson  <rth@redhat.com>
7763
7764         * config/sparc/sparc.c (sparc_emit_floatunsdi): New.
7765         * config/sparc/sparc-protos.h: Update.
7766         * config/sparc/sparc.md (floatunsdisf2, floatunsdidf2): New.
7767
7768 2002-03-23  Richard Henderson  <rth@redhat.com>
7769
7770         * config/sparc/gmon-sol2.c (internal_mcount): Assume either
7771         _start or _init begins the text segment.
7772
7773 2002-03-23  David Edelsohn  <edelsohn@gnu.org>
7774
7775         * config/rs6000/rs6000.h (RETURN_IN_MEMORY):  Cast to HOST_WIDE_INT
7776         not HOST_WIDEST_INT.
7777         (RS6000_ARG_SIZE): Remove unsigned cast of int_size_in_bytes.
7778
7779 2002-03-23  Richard Earnshaw  <rearnsha@arm.com>
7780
7781         PR java/5489
7782         * arm.md (return, sibcall_epilogue): Pass const_true_rtx as the
7783         operand argument to output_return_instruction.
7784         * arm.c (arm_print_operand, case 'd'): If the operand is
7785         const_true_rtx then just return.
7786         (arm_print_operand, case 'D'): If the operand is const_true_rtx
7787         then abort.
7788
7789 2002-03-23  Andrew Cagney  <ac131313@redhat.com>
7790
7791         * doc/invoke.texi (Option Summary): Mention -Wswitch-default.
7792         (Warning Options): Document -Wswitch-default.
7793         * toplev.c (W_options): Add -Wswitch-default.  Update comment on
7794         -Wswitch.
7795         (warn_switch_default): Define variable.
7796         (warn_switch): Update comment.
7797         * flags.h (warn_switch_default): Declare variable.
7798         (warn_switch): Update comment.
7799         * stmt.c (expand_end_case): Check for and, when
7800         warn_switch_no_default, warn of a missing default case.
7801
7802 2002-03-23  Alan Modra  <amodra@bigpond.net.au>
7803
7804         * real.h (N): Special case 128 bit doubles.
7805
7806         * combine.c (simplify_comparison): When widening modes, ignore
7807         sign extension on CONST_INTs.
7808
7809 2002-03-22  Bob Wilson  <bob.wilson@acm.org>
7810
7811         * config/xtensa/xtensa.c (print_operand): Fix incorrect mode
7812         passed to adjust_address.  Fix comment formatting.
7813
7814
7815 2002-03-22  Zack Weinberg  <zack@codesourcery.com>
7816
7817         * real.h: Don't define REAL_INFINITY or REAL_IS_NOT_DOUBLE.
7818         Always make REAL_VALUE_TYPE a struct containing an array of
7819         HOST_WIDE_INT, not a double.  Tidy up the code deciding how
7820         big it is.  Don't declare or use union real_extract.
7821
7822         * emit-rtl.c (init_emit_once), varasm.c (immed_real_const_1,
7823         decode_rtx_const, output_constant_pool), config/a29k/a29k.c
7824         (print_operand), config/arm/arm.c (output_move_double),
7825         config/arm/arm.md (consttable_4, consttable_8),
7826         config/romp/romp.c (output_fpops), config/s390/s390.h
7827         (ASM_OUTPUT_SPECIAL_POOL_ENTRY), config/xtensa/xtensa.c
7828         (xtensa_output_literal): Don't use union real_extract.
7829
7830         * config/dsp16xx/dsp16xx.c (print_operand), config/i860/i860.c
7831         (sfmode_constant_to_ulong), config/ns32k/merlin.h
7832         (PRINT_OPERAND), config/ns32k/ns32k.c (print_operand),
7833         config/pdp11/pdp11.h (PRINT_OPERAND), config/we32k/we32k.h
7834         (PRINT_OPERAND): Don't use local version of union
7835         real_extract.
7836
7837         * config/convex/convex.c (check_float_value), config/vax/vax.c
7838         (vax_float_literal), config/m88k/m88k.md (divdf3),
7839         config/dsp16xx/dsp16xx.md (fixuns_trunchfhi2),
7840         config/pdp11/pdp11.c (output_move_quad): Don't do host
7841         arithmetic on target floating point quantities.
7842
7843         * config/a29k/a29k.md, config/dsp16xx/dsp16xx.c
7844         (output_dsp16xx_float_const): Don't test HOST_FLOAT_FORMAT.
7845
7846         * fold-const.c (fold), simplify-rtx.c (simplify_binary_real):
7847         Use MODE_HAS_INFINITIES rather than #ifdef REAL_INFINITY.
7848
7849         * real.c (earith): Test INFINITY rather than REAL_INFINITY;
7850         NANS implies INFINITY, so can drop #ifdef NANS inside #ifndef
7851         INFINITY.
7852         * print-rtl.c (print_rtx): Disable code which needs
7853         floating-point emulator.
7854         * libgcc2.c: Include float.h and use DBL_MANT_DIG,
7855         FLT_MANT_DIG, to define DF_SIZE and SF_SIZE, rather than
7856         depending on HOST_FLOAT_FORMAT to be defined properly.
7857
7858         * config/1750a/1750a.c (get_double, float_label): Delete.
7859         (print_operand): Delete huge commented-out chunk.  Use
7860         REAL_VALUE_TO_DECIMAL.
7861         * config/1750a/1750a-protos.h: Delete prototypes of deleted
7862         functions.
7863         * config/convex/convex.h: Always set TARGET_FLOAT_FORMAT to
7864         IEEE_FLOAT_FORMAT.
7865         * config/i370/i370.h (PRINT_OPERAND [TARGET_HLASM version]):
7866         Use REAL_VALUE_TO_DECIMAL as ELF version does.
7867         * config/m88k/m88k.c (real_power_of_2_operand,
7868         legitimize_operand): Take the REAL_VALUE_TYPE and/or union
7869         real_extract out of the union; run the input through
7870         REAL_VALUE_TO_TARGET_DOUBLE, then plug the pair of longwords
7871         from that into the union.
7872         * config/pdp11/pdp11.c (output_move_double): Rearrange
7873         parentheses to make automatic indenter happy.
7874
7875         * doc/tm.texi (Cross-compilation): Rename node to "Floating
7876         Point" and rewrite to describe current situation.  Also adjust
7877         documentation of REAL_VALUE_TO_TARGET_SINGLE and friends to
7878         match code.
7879         * doc/rtl.texi: Adjust cross reference.
7880
7881 2002-03-22  Bob Wilson  <bob.wilson@acm.org>
7882
7883         * config/xtensa/xtensa-protos.h (non_acc_reg_operand): Remove.
7884         (xtensa_valid_move, xtensa_preferred_reload_class): Define.
7885         * config/xtensa/xtensa.c (non_acc_reg_operand): Remove.
7886         (xtensa_valid_move, xtensa_preferred_reload_class): Define to
7887         prevent use of sp as a reload register.
7888         (xtensa_emit_move_sequence): Use xtensa_valid_move instead of
7889         non_acc_reg_operand.
7890         * config/xtensa/xtensa.h (PREDICATE_CODES): Remove non_acc_reg_operand.
7891         (PREFERRED_RELOAD_CLASS): Move code to xtensa_preferred_reload_class.
7892         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
7893         movqi_internal): Use xtensa_valid_move instead of non_acc_reg_operand.
7894
7895 2002-03-22  Neil Booth  <neil@daikokuya.demon.co.uk>
7896
7897         * cpphash.h (struct cpp_reader): Remove mls_line and mls_col.
7898         * cpplex.c (unterminated): Delete.
7899         (parse_string): No string literal may extend over multiple
7900         lines.  Suppress the error when preprocessing assembly.
7901         * cppmain.c (scan_translation_unit): Strings are single-line.
7902
7903         * doc/cpp.texi: Update to match.
7904
7905 2002-03-22  Jakub Jelinek  <jakub@redhat.com>
7906
7907         PR optimization/5854
7908         * config/m68hc11/m68hc11.h (CONST_OK_FOR_LETTER_VALUE_P): Use K for 0.
7909         Shut up warnings.
7910         (CONST_DOUBLE_OK_FOR_LETTER_P): Use G for 0.0.
7911         (EXTRA_CONSTRAINT): Use S for non-push memory operand.
7912         * config/m68hc11/m68hc11.c (m68hc11_split_move): Handle setting from
7913         const0 if scratch register was not allocated.
7914         (m68hc11_reload_operands, m68hc11_gen_lowpart, m68hc11_gen_highpart,
7915         m68hc11_z_replacement): Replace gen_rtx (CONST_INT, VOIDmode, ...)
7916         with GEN_INT (...).
7917         (m68hc11_reorg): Compute BLOCK_FOR_INSN before reload_cse_regs.
7918         * config/m68hc11/m68hc11.md: Replace gen_rtx (CONST_INT, VOIDmode, ...)
7919         with GEN_INT (...) everywhere.  Remove constraints in define_split
7920         patterns.
7921         (movdi_internal, movdf_internal, movsi_internal, movsf_internal): Don't
7922         require scratch register for setting 0 into regs/non-pushable memory.
7923
7924 2002-03-22  Alexandre Oliva  <aoliva@redhat.com>
7925
7926         * config/mips/mips.h (MASK_RETURN_ADDR): Define.
7927         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
7928
7929 2002-03-22  Phil Edwards  <pme@gcc.gnu.org>
7930
7931         * cpplib.h (struct cpp_options):  New member, warn_endif_labels.
7932         * cppinit.c (cpp_create_reader):  On by default.
7933         (cpp_handle_option):  Handle -W[no-]endif-labels.
7934         (cpp_post_options):  Also enable if -pedantic.
7935         * cpplib.c (do_else):  Use it.
7936         (do_endif):  Likewise.
7937         * doc/cppopts.texi:  Document new option.
7938         * doc/invoke.texi:  Document new option.
7939
7940 2002-03-22  Lars Brinkhoff  <lars@nocrew.org>
7941
7942         * config/i386/i386.c, config/i386/i386.md: Change all occurences
7943         of GEN_INT (trunc_int_for_mode (...)) to gen_int_mode (...).
7944
7945 2002-03-22  Alexandre Oliva  <aoliva@redhat.com>
7946
7947         * flow.c (calculate_global_regs_live): Clear aux fields of
7948         ENTRY and EXIT.
7949
7950 2002-03-22  Jakub Jelinek  <jakub@redhat.com>
7951
7952         * config/v850/v850.c (v850_reorg): Only call alter_subreg on
7953         REG or MEM subregs, pass rtx * instead of rtx to it.
7954         * config/i860/i860.c (output_delayed_branch, output_delay_insn): Pass
7955         rtx * instead of rtx to alter_subreg.
7956         * config/m32r/m32r.c (gen_split_move_double): Likewise.
7957         * config/pj/pj.c (pj_output_rval): Likewise.
7958
7959 2002-03-22  Richard Henderson  <rth@redhat.com>
7960
7961         PR target/3177
7962         * config/ia64/ia64.h (CUMULATIVE_ARGS): Add int_regs.
7963         (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Update.
7964         * config/ia64/ia64.c (ia64_function_arg_advance): Set int_regs.
7965         (ia64_expand_prologue): Look at int_regs, not words, for number
7966         of incomming int regs.
7967
7968 2002-03-22  Andrew MacLeod  <amacleod@redhat.com>
7969
7970         * expr.c (expand_expr): A RESULT_DECL is part of a call.
7971
7972 Fri Mar 22 16:30:42 CET 2002  Jan Hubicka  <jh@suse.cz>
7973
7974         * toplev.c (flag_loop_optimize, flag_crossjumping):
7975         New static variables.
7976         (rest_of_compilation): Conditionalize crossjumping and
7977         loop optimizer.
7978         (parse_options_and_default_flags): Default loop_optimize and
7979         crossjumping.
7980         (lang_independent_options): Add -fcrossjumping and -floop-optimize
7981         * invoke.texi (crossjumping, loop-optimize): Document.
7982
7983 2002-03-22  Richard Sandiford  <rsandifo@redhat.com>
7984
7985         * real.c (eiisneg): Move outside #ifdef NANS.
7986
7987 Fri Mar 22 12:08:36 CET 2002  Jan Hubicka  <jh@suse.cz>
7988
7989         * cfgcleanup.c (outgoing_edges_math): Fix condition; relax
7990         frequencies match; avoid match on different loop depths.
7991         (try_crossjump_to_bb): Kill tests that no longer brings time
7992         savings.
7993         * cfgrtl.c (force_nonfallthru_and_redirect): Fix loop_depth
7994         updating code.
7995         (split_edge): Likewise.
7996
7997         * flow.c (update_life_info_in_dirty_blocks): Fix uninitialized
7998         variable.
7999
8000         * Makefile.in (cfgrtl): Add insn-config.h depenendency.
8001         * cfgrtl.c: Include insn-config.h
8002         (split_block) Dirtify block in presence of conditional execution
8003
8004 2002-03-22  Richard Sandiford  <rsandifo@redhat.com>
8005
8006         * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Undefine.
8007         * config/mips/mips-protos.h (mips_setup_incoming_varargs): Declare.
8008         (function_arg): Constify CUMULATIVE_ARGS.
8009         (function_arg_partial_nregs, function_arg_pass_by_reference): Likewise.
8010         * config/mips/mips.h (UNITS_PER_FPVALUE): Zero when TARGET_SOFT_FLOAT.
8011         (UNITS_PER_DOUBLE): New macro.
8012         (SETUP_INCOMING_VARARGS): Define.  Use mips_setup_incoming_varargs.
8013         (CUMULATIVE_ARGS): Reformat.  Remove num_adjusts workaround and
8014         last_arg_fp field.  Replace arg_words and fp_arg_words with gp_regs,
8015         fp_regs and stack_words.
8016         (EABI_FLOAT_VARARGS_P): New macro.
8017         * config/mips/mips.c (struct mips_arg_info): New.
8018         (mips_arg_info): New function.
8019         (function_arg_advance): Use it.  Add adjustment instructions here
8020         rather than in function_arg.
8021         (function_arg): Constify CUMULATIVE_ARGS.  Use mips_arg_info.  Check
8022         for VOIDmode at the beginning of the function.
8023         (function_partial_nregs): Constify CUMULATIVE_ARGS.  Use mips_arg_info.
8024         (function_arg_pass_by_reference): Likewise.
8025         (mips_setup_incoming_varags): New, largely based on old abi64.h code.
8026         (mips_build_va_list): Test EABI_FLOAT_VARARGS_P.
8027         (mips_va_start): Likewise.  Use the new stack_words field of
8028         CUMULATIVE_ARGS to set up overflow area.  Reformat.
8029         (mips_va_arg): Test EABI_FLOAT_VARARGS_P.  Unify EABI handling of
8030         doubles and other types, aligning the overflow pointer for non-doubles
8031         too.  Remove some code duplication.  Replace hard-coded constants.
8032
8033 2002-03-22  Richard Sandiford  <rsandifo@redhat.com>
8034
8035         * config/mips/mips.h (FUNCTION_ARG_REGNO_P): Simplify.
8036         (CLASS_UNITS): Undefine.
8037         (CLASS_MAX_NREGS): Use FP_INC.
8038         * config/mips/mips.c (compute_frame_size): Likewise.
8039         (override_options): Use FP_INC and UNITS_PER_FPVALUE.
8040
8041 2002-03-22  Neil Booth  <neil@daikokuya.demon.co.uk>
8042
8043         * cpplex.c (parse_identifier_slow): Rename parse_slow, adjust
8044         prototype, and handle lexing numbers and identifiers.
8045         (parse_identifier): Update to new form of parse_slow.
8046         (parse_number): Fast path only, use parse_slow otherwise.
8047         (_cpp_lex_direct): Update calls to parse_number.
8048
8049 2002-03-21  DJ Delorie  <dj@redhat.com>
8050
8051         * bb-reorder.c (make_reorder_chain_1): Protect against
8052         when redundant edges are omitted.
8053         * predict.c (dump_prediction): Likewise.
8054
8055 2002-03-21  Richard Henderson  <rth@redhat.com>
8056
8057         PR target/5996
8058         * fixinc/inclhack.def (solaris_stdio_tag): New.
8059         * fixinc/fixincl.x: Regenerate.
8060
8061 2002-03-21  Eric Botcazou <ebotcazou@multimania.com>
8062
8063         PR c/5597
8064         * c-typeck.c (process_init_element): Flag non-static
8065         initialization of a flexible array member as illegal.
8066
8067 2002-03-22  Alan Modra  <amodra@bigpond.net.au>
8068
8069         * config/rs6000/t-linux64: New.
8070         * config.gcc (powerpc64-*-linux* <tmake_file>): Drop t-ppcos and
8071         t-ppccomm.  Use t-rs6000 and t-linux64.
8072         (powerpc64-*-gnu* <tmake_file>): Likewise.
8073         * mklibgcc.in (SHLIB_MKMAP_OPTS): New variable.
8074         * mkmap-symver.awk (dotsyms): If set, output .foo as well as foo.
8075         * Makefile.in (SHLIB_MKMAP_OPTS): Pass to mklibgcc.
8076
8077 2002-03-21  Aldy Hernandez  <aldyh@redhat.com>
8078
8079         * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Check
8080         flag_really_no_inline instead of optimize == 0.
8081
8082         * c-objc-common.c (c_cannot_inline_tree_fn): Same.
8083
8084         * cp/tree.c (cp_cannot_inline_tree_fn): Same.
8085
8086         * flags.h (flag_really_no_inline): New.
8087
8088         * c-common.c (c_common_post_options): Initialize
8089         flag_really_no_inline.
8090
8091         * toplev.c (flag_really_no_inline): New.
8092
8093 2002-03-21  Jakub Jelinek  <jakub@redhat.com>
8094
8095         * config/avr/avr.md (length): Fix length computation for
8096         conditional branches.
8097
8098 2002-03-21  Neil Booth  <neil@daikokuya.demon.co.uk>
8099
8100         * Makefile.in (fold-const.o, stor-layout.o, stmt.o,
8101         sdbout.o, profile.o): Update.
8102         * c-common.c (c_common_nodes_and_builtins): Use pushdecl
8103         langhook.
8104         * c-common.h (gettags): Move here from tree.h.
8105         * c-tree.h (pushdecl, pushlevel, poplevel, set_block,
8106         insert_block, getdecls, kept_level_p, global_bindings_p): New.
8107         * dbxout.c (dbxout_init): Use getdecls langhook.
8108         * expr.c (expand_expr): Use insert_block langhook.
8109         * fold-const.c: Include langhooks.h.
8110         (fold_range_test, fold_binary_op_with_conditional_arg,
8111         fold): Use global_bindings_p langhook.
8112         * integrate.c (expand_inline_function): Use insert_block langhook.
8113         * langhooks-def.h (LANG_HOOKS_DECLS, LANG_HOOKS_PUSHLEVEL,
8114         LANG_HOOKS_POPLEVEL, LANG_HOOKS_GLOBAL_BINDINGS_P,
8115         LANG_HOOKS_INSERT_BLOCK, LANG_HOOKS_SET_BLOCK, LANG_HOOKS_PUSHDECL,
8116         LANG_HOOKS_GETDECLS): New.
8117         (LANG_HOOKS_INITIALIZER): Update.
8118         * langhooks.c (lhd_clear_binding_stack): Use global_bindings_p
8119         langhook.
8120         * langhooks.h (struct lang_hooks_for_decls): New.
8121         (struct lang_hooks): Update.
8122         * profile.c: Include langhooks.h.
8123         (output_func_start_profiler): Use new langhooks.
8124         * sdbout.c: Include langhooks.h.
8125         (sdbout_init, sdbout_finish): Use getdecls langhook.
8126         * stmt.c: Include langhooks.h.
8127         (expand_fixup, fixup_gotos): Use new langhooks.
8128         * stor-layout.c: Include langhooks.h.
8129         (variable_size): Use global_bindings_p langhook.
8130         * toplev.c (compile_file): Use getdecls langhook.
8131         * tree-inline.c (remap_block): Use insert_block langhook.
8132         * tree.h (pushdecl, pushlevel, poplevel, set_block, gettags,
8133         insert_block, getdecls, kept_level_p, global_bindings_p): Remove.
8134
8135 2002-03-21  Richard Henderson  <rth@redhat.com>
8136
8137         * config/rs6000/rs6000.c (rs6000_select_rtx_section): Put symbolic
8138         constants in .data when -fpic.
8139
8140 2002-03-21  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
8141
8142         * doc/contrib.texi (Contributors): Use GNU/Linux instead of Linux
8143         where appropriate.
8144
8145 2002-03-21  Tom Tromey  <tromey@redhat.com>
8146
8147         * config/i386/sol2.h (ASM_QUAD): Undef.  Fixes PR bootstrap/5948.
8148
8149 Thu Mar 21 09:50:48 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8150
8151         * config/ia64/ia64.c (hfa_element_mode, case ARRAY_TYPE): Recurse.
8152
8153         * expr.c (emit_group_store): Don't copy const0_rtx to a CONCAT.
8154
8155 2002-03-21  Eric Botcazou <ebotcazou@multimania.com>
8156             Richard Henderson  <rth@redhat.com>
8157
8158         PR c/5354
8159         * c-common.c (c_expand_expr): Preserve result of a statement
8160         expression if needed.
8161
8162 2002-03-21  Jakub Jelinek  <jakub@redhat.com>
8163
8164         PR bootstrap/4195
8165         * genrecog.c (maybe_both_true_mode): Remove.
8166         (maybe_both_true_2, write_switch): Revert 2001-07-17 changes.
8167         * machmode.def (Pmode): Likewise.
8168
8169 Thu Mar 21 01:55:06 EST 2002  John Wehle  (john@feith.com)
8170
8171         * alias.c: (nonlocal_mentioned_p): Use for_each_rtx.
8172         (nonlocal_mentioned_p_1): New function.
8173         (nonlocal_referenced_p, nonlocal_referenced_p_1): Likewise.
8174         (nonlocal_set_p, nonlocal_set_p_1): Likewise.
8175         (mark_constant_function): Recognize pure functions.
8176         * rtl.h (global_reg_mentioned_p): New prototype.
8177         * rtlanal.c (global_reg_mentioned_p,
8178         global_reg_mentioned_p_1): New function.
8179
8180 2002-03-21  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8181
8182         * fixinc/inclhack.def (alpha_assert): Fix assert macro in Tru64
8183         UNIX assert.h.
8184         * fixinc/fixincl.x: Regenerate.
8185
8186 2002-03-20  Jason Merrill  <jason@redhat.com>
8187
8188         * config/i386/cygwin.h (DWARF2_UNWIND_INFO): Define to 0.
8189
8190 2002-03-20  Michael Meissner  <meissner@redhat.com>
8191
8192         * doc/invoke.texi (Optimize Options): Document that -O2 sets
8193         -fstrict-aliasing.
8194
8195 2002-03-20  Bob Wilson  <bob.wilson@acm.org>
8196
8197         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Emit a
8198         ".literal_position" directive before the constant pool.
8199
8200 2002-03-20  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
8201
8202         * doc/contrib.texi (Contributors): Update Geoffrey Keating.
8203         Add Craig Rodrigues.
8204         Add Brad Lucier to testers.
8205
8206 2002-03-20  Jakub Jelinek  <jakub@redhat.com>
8207
8208         PR target/4792
8209         * config/arc/arc.md (movsicc, movdicc, movsfcc, movdfcc): Add mode
8210         to if_then_else.
8211         (movsicc_insn, movdicc_insn, movsfcc_insn, movdfcc_insn): Likewise.
8212         * config/arc/arc.c (arc_final_prescan_insn): Use extract_insn_cached
8213         instead of insn_extract.
8214
8215 2002-03-20  Jakub Jelinek  <jakub@redhat.com>
8216
8217         PR bootstrap/4192
8218         * config/fr30/fr30.md (jump): Remove clobber of fixed register.
8219
8220         * genemit.c (output_added_clobbers_hard_reg_p): Only output return
8221         stmt if some case has been output.
8222
8223 2002-03-20  Jakub Jelinek  <jakub@redhat.com>
8224
8225         PR c/5972
8226         * config/i386/i386.md (movdicc_c_rex64, movsicc_noc, movhicc_noc,
8227         movsfcc_1, movdfcc_1): Add %O2.
8228         * config/i386/i386.c (print_operand): Handle %ON.
8229         Print . before float condition codes in Sun as cmov syntax.
8230         * config/i386/sol2.h (CMOV_SUN_AS_SYNTAX): Define for Sun as.
8231         * config.gcc (i[34567]86-*-solaris2*): Remove comment which is
8232         no longer true.
8233
8234 2002-03-20  Philip Blundell  <pb@nexus.co.uk>
8235
8236         * config/arm/arm.c (arm_output_epilogue): Don't generate separate
8237         return instruction if PC was popped.
8238
8239 2002-03-20  Bob Wilson  <bob.wilson@acm.org>
8240
8241         * config/xtensa/xtensa.md: Remove unused type attributes.
8242         (adddi_carry, subddi_carry): Change type attribute to "multi".
8243
8244 2002-03-19  Dale Johannesen  <dalej@apple.com>
8245
8246         PR optimization/5999, middle-end/5731
8247         * expr.c (expand_expr) [RDIV_EXPR]: Only convert real divisions into
8248         multiplications by reciprocals.
8249
8250 2002-03-20  Neil Booth  <neil@daikokuya.demon.co.uk>
8251
8252         * Makefile.in: Update.
8253         * c-common.c: Include langhooks.h.
8254         (inline_forbidden_p): Use new hook.
8255         * diagnostic.c: Include langhooks.h.
8256         (format_with_decl, announce_function,
8257         default_print_error_function): Use new hook.
8258         * dwarf2out.c (dwarf2_name): Use new hook.
8259         * function.c: Include langhooks.h.
8260         (init_function_start): Use new hook.
8261         * langhooks-def.h (lhd_decl_printable_name): New.
8262         (LANGHOOKS_DECL_PRINTABLE_NAME): New.
8263         (LANGHOOKS_INITIALIZER): Update.
8264         * langhooks.c (lhd_decl_printable_name): New.
8265         * langhooks.h (struct lang_hooks): New hook.
8266         * toplev.c (decl_name, decl_printable_name): Remove.
8267         (open_dump_file): Use new hook.
8268         (process_options): Remove old hook.
8269         * tree.h (decl_printable_name): Remove.
8270 objc:
8271         * objc-act.c (objc_init): Remove old hook.
8272         (objc_printable_name): Export.
8273         * objc-act.h (objc_printable_name): New.
8274         * objc-lang.c (LANG_HOOKS_DECL_PRINTABLE_NAME): Redefine.
8275
8276 2002-03-19  Jim Blandy  <jimb@redhat.com>
8277
8278         * c-lex.c (cb_file_change): Pass the #inclusion's line number to
8279         the start_source_file debug hook, not the current line number.
8280
8281 2002-03-19  Richard Henderson  <rth@redhat.com>
8282
8283         * flow.c (EH_USES): Provide default.
8284         (calculate_global_regs_live): Use it for EH edges and noreturn calls.
8285         * doc/tm.texi (EH_USES): New.
8286
8287         * config/ia64/ia64.c (ia64_eh_uses): New.
8288         * config/ia64/ia64-protos.h: Update.
8289         * config/ia64/ia64.h (EH_USES): New.
8290
8291 2002-03-19  Richard Henderson  <rth@redhat.com>
8292
8293         * varasm.c (output_constant_def): Fix stupid typo.
8294
8295 2002-03-19  Richard Henderson  <rth@redhat.com>
8296
8297         PR 5879
8298         * except.c (current_function_has_exception_handlers): New.
8299         * except.h: Declare it.
8300         * sibcall.c (optimize_sibling_and_tail_recursive_call): Use it.
8301         Combine tests that disable all sibcalls for the function.
8302
8303 2002-03-19  Olivier Hainque  <hainque@act-europe.fr>
8304
8305         * varasm.c (output_constant_def): Don't call ENCODE_SECTION_INFO
8306         for INTEGER_CST.
8307
8308 2002-03-19  Richard Henderson  <rth@redhat.com>
8309
8310         PR 5977, 5991
8311         * config/ia64/ia64.c: Revert 2002-03-01 patch.
8312         * config/ia64/ia64.h (INIT_EXPANDERS): New.
8313
8314 2002-03-19  Jim Blandy  <jimb@redhat.com>
8315
8316         * cppmacro.c (cpp_macro_definition): Emit a space after the macro
8317         name, even if the replacement list contains no tokens, as required
8318         by Dwarf.
8319
8320 2002-03-19  Jason Merrill  <jason@redhat.com>
8321
8322         * varasm.c (globalize_decl): Get the name from the RTL, not
8323         DECL_ASSEMBLER_NAME.
8324
8325         * Makefile.in (LIBGCC2_DEBUG_CFLAGS): Set to -g.
8326
8327 2002-03-19  Bob Wilson  <bob.wilson@acm.org>
8328
8329         * config/xtensa/xtensa.md (adddi3, adddi_carry, subdi3,
8330         subdi_carry): Define.
8331
8332 2002-03-19  David Edelsohn  <edelsohn@gnu.org>
8333
8334         * config/rs6000/rs6000.c (rs6000_override_options): Only warn
8335         about -fpic/-fPIC if extra_warnings set.
8336
8337 2002-03-19  David Edelsohn  <edelsohn@gnu.org>
8338
8339         * expr.c (expand_expr): Sign-extend CONST_INT generated from
8340         TREE_STRING_POINTER.
8341         * fold-const.c (fold): Delete #if 0 ARRAY_REF case.
8342
8343 Tue Mar 19 14:12:32 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8344
8345         * config/sparc/sparc.h (CAN_ELMINIATE): Can only eliminate FP
8346         in favor of SP if FRAME_POINTER_REQUIRED is false.
8347
8348 2002-03-19  Lars Brinkhoff  <lars@nocrew.org>
8349
8350         * emit-rtl.c (gen_int_mode): New function.
8351         * rtl.h: Prototype for it.
8352         * combine.c (make_extraction, simplify_comparison), expmed.c
8353         (store_bit_field, expand_mult_highpart, expand_divmod), expr.c
8354         (convert_modes, store_field), optabs.c (expand_fix),
8355         simplify-rtx.c (neg_const_int, simplify_unary_real),
8356
8357         * config/rs6000/rs6000.c, config/rs6000/rs6000.md:
8358         Use it instead of GEN_INT (trunc_int_for_mode (...)).
8359
8360 2002-03-19  Jakub Jelinek  <jakub@redhat.com>
8361
8362         PR c/5656
8363         * langhooks.h (struct lang_hooks_for_tree_inlining): Add
8364         convert_parm_for_inlining.
8365         * c-lang.c (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
8366         Define.
8367         * langhooks-def.h: Likewise.
8368         * objc/objc-lang.c: Likewise.
8369         * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining): New
8370         function.
8371         * tree-inline.c (initialize_inlined_parameters):
8372         Call convert_parm_for_inlining lang hook if needed.
8373         * c-typeck.c (c_convert_parm_for_inlining): New function.
8374         * c-tree.h (c_convert_parm_for_inlining): Add prototype.
8375
8376 2002-03-18  Mark Mitchell  <mark@codesourcery.com>
8377
8378         * calls.c (precompute_arguments): Do not assume that temporaries
8379         can be destroyed after expanding the argument.
8380         (expand_call): Likewise.
8381
8382 2002-03-15  Eric Christopher  <echristo@redhat.com>
8383
8384         * config/mips/mips.md (movdf_internal2): Add two new move constraints.
8385         Fix register preference on last change.
8386         * config/mips/mips.c (mips_return_in_memory): New function.
8387         * config/mips/mips.h (RETURN_IN_MEMORY): Use.
8388         * config/mips/mips-protos.h: Declare.
8389         * config/mips/abi64.h (RETURN_IN_MEMORY): Remove. Add to above.
8390         * config/mips/elf64.h: Add #ifndef/#endif brackets around defaults.
8391
8392 2002-03-18  Alexandre Oliva  <aoliva@redhat.com>
8393
8394         * config/mips/mips.md (andsi3) [TARGET_MIPS16]: Force operand 1 to
8395         a register too.
8396         (anddi3, iorsi3): Likewise.
8397
8398         * config/mips/mips.h (ENCODE_SECTION_INFO) [TARGET_MIPS16]: Don't
8399         use %gprel for symbols that are going to be placed in linkonce
8400         sections.
8401
8402         * config/mips/mips.h (ELIMINABLE_REGS): Can't eliminate
8403         RETURN_ADDRESS_POINTER_REGNUM to $ra.
8404         (CAN_ELIMINATE): Only eliminate it to $sp if a frame pointer is
8405         not needed.  Disregard leaf_function_p().
8406         (INITIAL_ELIMINATION_OFFSET): Adjust for elimination of rap to
8407         mips16 frame pointer.
8408         * config/mips/mips.md (store ra): Only to small SP offsets.
8409         2001-08-22  Graham Stott  <grahams@redhat.com>
8410         * config/mips/mips.h (RETURN_ADDR_RTX): For a leaf function
8411         return a REG rtx for the return address register.
8412
8413 2002-03-18  Bob Wilson  <bob.wilson@acm.org>
8414
8415         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Treat
8416         constant-pool addresses as "mode-dependent".
8417         (GO_IF_LEGITIMATE_ADDRESS): Rename macro arguments.
8418
8419 2002-03-18  Jakub Jelinek  <jakub@redhat.com>
8420
8421         PR target/5740
8422         * expr.c (emit_group_load): Use extract_bit_field if
8423         needed for CONCAT arguments.
8424
8425 2002-03-18  Richard Earnshaw  <rearnsha@arm.com>
8426
8427         PR target/4863
8428         * arm.md (tablejump): Make this a define_expand.  For PIC add the
8429         offset to the base of the table.
8430         (thumb_tablejump): Matcher for Thumb tablejump insn.
8431         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output thumb entries
8432         as the difference of two labels.
8433         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
8434         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Only put ARM jump
8435         tables in the code.
8436         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
8437         * arm.c (get_jump_table_size): If the table is not in the text
8438         section, return zero.
8439
8440 2002-03-18  Bernd Schmidt  <bernds@redhat.com>
8441
8442         * config/arm/arm.c (arm_gen_movstrqi): Use gen_lowpart instead
8443         of gen_rtx_SUBREG.
8444         (arm_reload_out_hi): Use gen_lowpart instead of
8445         gen_rtx_SUBREG to access QImode components.
8446         * config/arm/arm.md: Disable zero_extend split for QImode
8447         subregs in BIG_ENDIAN mode.
8448         (storehi_bigend): Match use of least significant byte.
8449         (storeinthi): Remove extraneous SUBREG.
8450         Add missing construction of operands[2].
8451         (movhi): Use gen_lowpart in place of gen_rtx_SUBREG.
8452         (movqi): Use gen_lowpart in place of gen_rtx_SUBREG.
8453         Replace gen_rtx (SUBREG) with gen_rtx_SUBREG.
8454
8455 2002-03-18  Aldy Hernandez  <aldyh@redhat.com>
8456
8457         * config/rs6000/rs6000.h (PREDICATE_CODES): Add PARALLEL to
8458         any_operand.
8459
8460 2002-03-17  Richard Henderson  <rth@redhat.com>
8461
8462         * config/alpha/alpha.c (alpha_emit_set_const_1): Build add insns
8463         explicitly.
8464
8465 2002-03-17  Hans-Peter Nilsson  <hp@bitrange.com>
8466
8467         * config/mmix/mmix.md ("fixuns_truncdfdi2"): Use (unsigned_fix:DI
8468         (unsigned_fix:DF op1)), not (unsigned_fix:DI (fix:DF op1)).
8469
8470 2002-03-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8471
8472         * ifcvt.c (dead_or_predicable): Fix uninitialized variable.
8473
8474         * predict.c (estimate_bb_frequencies): Delete unused variables.
8475
8476 2002-03-17  Richard Henderson  <rth@redhat.com>
8477
8478         * config/ia64/ia64.c (ia64_attribute_table): Move before
8479         targetm definition.  Make static.
8480
8481 2002-03-17  Neil Booth  <neil@daikokuya.demon.co.uk>
8482
8483         * c-common.h (yyparse, c_common_parse_file): New.
8484         * c-lang.c: Include c-common.h.
8485         (LANG_HOOKS_PARSE_FILE): Redefine.
8486         * c-lex.c: Include c-common.h.
8487         (yyparse): Rename c_common_parse_file.  Call yyparse.
8488         * c-parse.in (yyparse): Remove macro.
8489         * c-tree.h (yyparse_1): Remove.
8490         * langhooks-def.h (LANG_HOOKS_PARSE_FILE): New.
8491         (LANG_HOOKS_INITIALIZER): Update.
8492         * langhooks.h (struct lang_hoooks): New hook parse_file.
8493         * toplev.c (compile_file): Use parse_file hook.
8494         * tree.h (yyparse): Remove.
8495         * objc/objc-lang.c (LANG_HOOKS_PARSE_FILE): Redefine.
8496
8497 2002-03-17  Hans-Peter Nilsson  <hp@bitrange.com>
8498
8499         * config/mmix/mmix.md ("truncdfsf2"): Correct operator is
8500         float_truncate, not fix.
8501         ("*truncdfsf2_real"): Ditto.
8502         ("*nonlocal_goto_receiver_expanded"): Fix output template formatting.
8503
8504         * config/mmix/mmix.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Don't define.
8505
8506 2002-03-16  Alexandre Oliva  <aoliva@redhat.com>
8507
8508         * config/mips/mips.h (CAN_ELIMINATE): Don't eliminate rap to $fp
8509         (s8), but rather HARD_FRAME_POINTER_REGNUM.  Add parentheses
8510         where appropriate.  Make the second reference to
8511         leaf_function_p a function call, as intended.  Reindented.
8512
8513         * config/mips/mips.h (ISA_HAS_COND_TRAP): Not available on MIPS16.
8514         * config/mips/mips.md (trap) [TARGET_MIPS16]: Emit `break 0'.
8515
8516         * config/mips/mips.md (addsi3, adddi3): Use scratch register to
8517         add register to non-constant into sp.
8518
8519         * config/mips/mips-protos.h (embedded_pic_fnaddr_reg): New.
8520         * config/mips/mips.h (embedded_pic_fnaddr_rtx): Lose.
8521         (mips16_gp_pseudo_rtx): Lose.
8522         (INIT_EXPANDERS): Deleted.
8523         * config/mips/mips.c (mips_init_machine_status): New.
8524         (mips_free_machine_status): New.
8525         (mips_mark_machine_status): New.
8526         (override_options): Set them.
8527         (embedded_pic_fnaddr_rtx, mips16_gp_pseudo_rtx): Moved to...
8528         (struct machine_function): ... new.  Replaced all references.
8529         (mips_add_gc_roots): Don't mark them.
8530         (embedded_pic_fnaddr_reg): New, extracted from...
8531         (embedded_pic_offset): ... here.
8532         * config/mips/mips.md (movdi): Call embedded_pic_fnaddr_reg.
8533         (movsi): Likewise.
8534
8535 2002-03-16  Neil Booth  <neil@daikokuya.demon.co.uk>
8536
8537         * cppinit.c: Revert -MD removal.
8538
8539 2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
8540
8541         * config/m68hc11/m68hc11.c (m68hc11_override_options): Don't use
8542         soft registers by default for 68HC12.
8543         (m68hc11_conditional_register_usage): Don't use Z register for 68HC12
8544         when compiling with -fomit-frame-pointer.
8545         (expand_prologue): Use push/pop to allocate 4-bytes of locals on 68HC12.
8546         (expand_epilogue): Likewise.
8547         (m68hc11_gen_rotate): Use exg when rotating by 8.
8548
8549 2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
8550
8551         * config/m68hc11/m68hc11-protos.h (ix_reg): Declare.
8552         * config/m68hc11/m68hc11.md ("addsi3"): Use general_operand for sources.
8553         (splits): Remove unused add splits.
8554         ("*addhi3_68hc12"): Tune constraints.
8555         ("addhi_sp"): Try to use X instead of Y in all cases and if the
8556         constant fits in 8-bits and D is dead use abx/aby instructions.
8557         ("*addhi3"): Remove extern declaration of ix_reg.
8558         ("*subsi3"): Optimize and provide new split.
8559         ("subhi3"): Cleanup.
8560         ("*subhi3_sp"): Avoid saving X if we know it is dead.
8561         (arith splits): For 68hc12 save the address register on the stack
8562         and do the arithmetic operation with a pop.
8563
8564 2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
8565
8566         * config/m68hc11/m68hc11.md ("*movqi_68hc12"): Fix constraints, avoid
8567         allocating QImode in address registers.
8568         ("*movqi_m68hc11"): Likewise.
8569
8570 Sat Mar 16 12:57:28 CET 2002  Jan HUbicka  <jh@suse.cz>
8571
8572         * cfgcleanup.c (cleanup_cfg): Fix updating of liveness.
8573
8574 2002-03-16  Neil Booth  <neil@daikokuya.demon.co.uk>
8575
8576         * cppinit.c (print_help): Display -MD and -MMD.
8577         Don't display usage string.  Update assertion syntax and
8578         typo.
8579         (COMMAND_LINE_OPTIONS): Remove OPT_MD, OPT_MMD.
8580         (cpp_handle_option): Update.
8581
8582 2002-03-15  Chris Demetriou  <cgd@broadcom.com>
8583
8584         * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Provide an
8585         MEABI case for each definition of SUBTARGET_CPP_SIZE_SPEC,
8586         and define it so that regardless of target CPU size,
8587         __SIZE_TYPE__ and __PTRDIFF_TYPE__ are defined in terms
8588         of "int" rather than "long."
8589
8590 2002-03-15  Richard Henderson  <rth@redhat.com>
8591
8592         * config/alpha/alpha.c (alpha_va_arg): Manipulate the type
8593         size as a tree.
8594
8595 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
8596
8597         * config/m68hc11/m68hc11.md ("tstqi_1"): Try to use ldab instead of tst.
8598         ("tstqi" split): Avoid using memory for tstqi on address register.
8599         (splits): Remove constraints.
8600         ("cmphi_1_hc12"): New from "cmphi_1" and tuned for 68HC12.
8601         ("cmpdf", "cmpsf"): Remove since not used.
8602         ("*tbeq", "*tbne", "*tbeq8", "*tbne8"): Also look in cc_status.value2.
8603         (peephole2): New peepholes to optimize tstqi and pre inc/dec addressing.
8604
8605 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
8606
8607         * config/m68hc11/m68hc11.md ("negsi2"): Optimize inline case.
8608         ("neghi2"): Tighten constraints.
8609         ("one_cmplsi2"): Optimize and simplify split.
8610         * config/m68hc11/larith.asm (__negsi2): Likewise for library.
8611
8612 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
8613
8614         * config/m68hc11/m68hc11.md ("logicalsi3_zexthi"): Fix constraints
8615         and split of AND operation to clear the upper bits.
8616         ("*logicalsi3_zextqi"): Likewise.
8617         ("*logicallhi3_zexthi_ashift8"): Likewise.
8618         ("*logicalsi3_silshr16"): Likewise.
8619         ("logicalsi3_silshl16"): Likewise.
8620         ("anddi3", "iordi3", "xordi3" splits): Remove constraints.
8621
8622 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
8623
8624         * config/m68hc11/m68hc11.c (m68hc11_symbolic_p): New function.
8625         (m68hc11_indirect_p): New function.
8626         (m68hc11_override_options): Must set MASK_NO_DIRECT_MODE for 68HC12.
8627         (m68hc11_gen_highpart): Use TARGET_NO_DIRECT_MODE instead of
8628         TARGET_M6812.
8629         (asm_print_register): Likewise.
8630         * config/m68hc11/m68hc11-protos.h (m68hc11_symbolic_p): Declare.
8631         (m68hc11_indirect_p): Declare.
8632         * config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): New constraint 'R', 'Q'.
8633         (TARGET_NO_DIRECT_MODE, TARGET_RELAX): New.
8634         (TARGET_SWITCHES): New option -mrelax.
8635         * config/m68hc11/m68hc11.md ("andsi3"): Allow soft register for
8636         destination.
8637         ("iorsi3", "xorsi3"): Likewise.
8638         ("andhi3", "andqi3", "iorhi3", "iorqi3"): Use a define_expand.
8639         ("*andhi3_mem"): New to handle destination in memory with bclr
8640         and a scratch register.
8641         ("*andqi3_mem", "*iorhi3_mem", "*iorqi3_mem"): Likewise.
8642         ("*andhi3_const"): New when operand2 is constant.
8643         ("*andqi3_const", "*iorhi3_const", "*iorqi3_const"): Likewise.
8644         ("*andhi3_gen"): Cleanup of the old "andhi3".
8645         ("*andqi3_gen", "*iorhi3_gen", "*iorqi3_gen"): Likewise.
8646         ("xorqi3"): Update constraints.
8647
8648 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
8649
8650         * config/m68hc11/m68hc11.c (m68hc11_small_indexed_indirect_p): Look
8651         for reg_equiv_memory_loc when the operand is a register that does
8652         not get a hard register (stack location).
8653         (tst_operand): After reload, accept all memory operand.
8654         (symbolic_memory_operand): Fix detection of symbolic references.
8655         * config/m68hc11/m68hc11.h (VALID_CONSTANT_OFFSET_P): For 68HC12
8656         accept symbols and any constant.
8657
8658 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
8659
8660         * config/m68hc11/m68hc11.c (emit_move_after_reload): Add a REG_INC
8661         note on the insn that sets the soft frame register.
8662         (must_parenthesize): ix and iy are also reserved names.
8663         (print_operand_address): One more place where parenthesis are required
8664         to avoid confusion with register names.
8665         (m68hc11_gen_movhi): Allow push of stack pointer.
8666         (m68hc11_check_z_replacement): Fix handling of parallel with a
8667         clobber.
8668         (m68hc11_z_replacement): Must update the REG_INC notes to tell what
8669         the replacement register is.
8670         * config/m68hc11/m68hc11.h (REG_CLASS_CONTENTS): Switch Z_REGS
8671         and D8_REGS classes.
8672         (MODES_TIEABLE_P): All modes are tieable except QImode.
8673
8674 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
8675
8676         * config/m68hc11/larith.asm (___adddi3): Optimize saving of result.
8677         (___subdi3): Likewise.
8678         (__mulsi3, __mulhi32): Avoid using _.tmp scratch location.
8679         (__map_data_section): Optimize 68hc11 case.
8680
8681 2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>
8682
8683         * config/m68hc11/m68hc11.c (m6812_cost): Make cost of add higher
8684         than a shift to avoid adding a register with itself.
8685         (m68hc11_memory_move_cost): Take into account NO_REGS.
8686         (m68hc11_register_move_cost): Update and use memory move cost
8687         for soft registers.
8688         (m68hc11_address_cost): Make cost of valid offset not 0 so that
8689         it gives more opportunities to cse to optimize.
8690         * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Pass the mode.
8691         * config/m68hc11/m68hc11-protos.h (m68hc11_register_move_cost): Update.
8692
8693 2002-03-15  Mark Mitchell  <mark@codesourcery.com>
8694
8695         * c-common.c (statement_code_p): Handle CLEANUP_STMT.
8696         * c-common.def (CLEANUP_STMT): New tree node.
8697         * c-common.h (CLEANUP_DECL): New macro.
8698         (CLEANUP_EXPR): Likewise.
8699         * c-semantics.c (expand_stmt): Handle CLEANUP_STMT.
8700         * expr.c (expand_expr): Tidy.
8701         * tree-dump.c (dequeue_and_dump): Handle CLEANUP_STMT.
8702         * tree-inline.c (initialize_inlined_parameters): Clean up
8703         new local variables.
8704
8705 2002-03-15  Jakub Jelinek  <jakub@redhat.com>
8706
8707         PR bootstrap/4128
8708         * config/sparc/sparc.c (gen_v9_scc): Move early clobber test
8709         before movrXX only, use reg_overlap_mentioned_p.
8710         Only special case NE if just one insn can be generated.
8711
8712 2002-03-15  Jason Merrill  <jason@redhat.com>
8713
8714         * varasm.c (assemble_variable): Call resolve_unique_section before
8715         checking DECL_SECTION_NAME.  Use zeros for a decl with DECL_INITIAL
8716         of error_mark_node.
8717
8718 2002-03-15  Richard Earnshaw  <rearnsha@arm.com>
8719
8720         PR target/5170
8721         * arm.md (split pattern for thumb shiftable immediates): Add comment
8722         explaining non-obvious test.
8723
8724 2002-03-15  Richard Earnshaw  <rearnsha@arm.com>
8725
8726         PR target/5712
8727         * arm.md (movaddr, movaddr_insn): Delete.
8728
8729 2002-03-15  Jason Merrill  <jason@redhat.com>
8730
8731         * toplev.c (wrapup_global_declarations): Clarify variable handling.
8732         -fkeep-static-consts doesn't apply to comdats.
8733
8734 2002-03-14  Richard Henderson  <rth@redhat.com>
8735
8736         * c-decl.c: Include c-pragma.h.
8737         (start_decl, start_function): Invoke maybe_apply_pragma_weak.
8738         (finish_function): Tidy.
8739         * c-pragma.c: Include c-common.h.
8740         (pending_weaks, apply_pragma_weak, maybe_apply_pragma_weak): New.
8741         (handle_pragma_weak): Use them.
8742         (init_pragma): Register pending_weaks.
8743         * c-pragma.h (maybe_apply_pragma_weak): Declare.
8744         * print-tree.c (print_node): Print DECL_WEAK.
8745         * varasm.c (mark_weak_decls): Remove.
8746         (remove_from_pending_weak_list): Remove.
8747         (add_weak): Remove.
8748         (asm_emit_uninitialised): Call globalize_decl for weak commons.
8749         (weak_decls): Make a tree_list.
8750         (declare_weak): Cons weak_decls directly.
8751         (globalize_decl): Remove weak_decls elements directly.
8752         (weak_finish): Simplify weak_decls walk.  Don't weaken unused
8753         symbols.  Don't pretend to handle aliases.
8754         (init_varasm_once): Update weak_decls registry.
8755         * Makefile.in: Update dependencies.
8756
8757 2002-03-14  Richard Henderson  <rth@redhat.com>
8758
8759         PR target/5312
8760         * config/ia64/ia64.c: Include tm_p.h last.
8761         (gen_nop_type): Remove duplicate definition.
8762         (cycle_end_fill_slots): Set sched_data for second L slot.
8763         (maybe_rotate): Call cycle_end_fill_slots to fill in nop slots.
8764         (nop_cycles_until): Fix typos.
8765
8766 2002-03-15  Jakub Jelinek  <jakub@redhat.com>
8767
8768         PR optimization/5891
8769         * unroll.c (copy_loop_body) [CALL_INSN]: Copy SIBLING_CALL_P flag.
8770
8771 2002-03-14  David Mosberger <davidm@hpl.hp.com>, Hans Boehm <Hans_Boehm@hp.com>
8772
8773         * config/ia64/unwind-ia64.c: Handle copy_state and label_state
8774           descriptors correctly.
8775
8776 2002-03-14  Michael Meissner  <meissner@redhat.com>
8777
8778         * params.def (PARAM_MAX_UNROLLED_INSNS): New macro, default to
8779         100, allowing MAX_UNROLLED_INSNS to be overridden.
8780
8781         * params.h (MAX_UNROLLED_INSNS): Define so it can be overridden by
8782         --param.
8783
8784         * unroll.c (params.h): Include.
8785         (MAX_UNROLLED_INSNS): Delete, now in params.h.
8786
8787         * doc/invoke.texi (--param max-unroll-insns): Document.
8788
8789         * Makefile.in (unroll.o): Add $(PARAMS_H) dependency.
8790
8791 2002-03-14  Richard Earnshaw  <rearnsha@arm.com>
8792
8793         * arm.md: Fix warnings about constraints in peepholes and splits.
8794
8795 2002-03-14  Zack Weinberg  <zack@codesourcery.com>
8796
8797         * cpphash.h (struct lexer_state): Remove line_extension member.
8798         * cpplib.c (dequote_string, do_linemarker): New functions.
8799         (linemarker_dir): New data object.
8800         (DIRECTIVE_TABLE): No longer need to interpret #line in
8801         preprocessed source.  Delete obsolete comment about return
8802         values of handlers.
8803         (end_directive, directive_diagnostics, _cpp_handle_directive):
8804         Don't muck with line_extension.
8805         (directive_diagnostics): No need to issue warnings for
8806         linemarkers here.
8807         (_cpp_handle_directive): Issue warnings for linemarkers here,
8808         when appropriate.  Dispatch linemarkers to do_linemarker, not
8809         do_line.
8810         (do_line): Code to handle linemarkers split out to do_linemarker.
8811         Convert escape sequences in filename argument, both places.
8812
8813         * cppmacro.c (quote_string): Rename cpp_quote_string and
8814         export.  All callers changed.
8815         * cpplib.h (cpp_quote_string): Prototype.
8816         * cppmain.c (print_line): Call cpp_quote_string on to_file
8817         before printing it.
8818
8819         * doc/cpp.texi: Document that escapes are now interpreted in
8820         #line and in linemarkers, and that non-printing characters are
8821         converted to octal escapes when linemarkers are generated.
8822
8823 Thu Mar 14 19:04:29 CET 2002  Jan Hubicka  <jh@suse.cz>
8824
8825         * emit-rtl.c (try_split): Use delete_insns.
8826         * recog.c (split_all_insns): Fix terminating condition.
8827
8828 2002-03-14  Richard Earnshaw  <rearnsha@arm.com>
8829             Jeroen Dobbelaere  <jeroen.dobbelaere@acunia.com>
8830
8831         PR target/5828
8832         * arm.c (arm_output_epilogue): Fix floating-point register save
8833         adjustment when using a frame pointer.
8834
8835 2002-03-14  Richard Sandiford  <rsandifo@redhat.com>
8836
8837         * config/mips/mips.h (FP_INC, UNITS_PER_FPVALUE): New macros.
8838         * config/mips/mips.c (compute_frame_size): Retrofit them here.
8839         (save_restore_insns, mips_expand_epilogue): And here.
8840         (build_mips16_call_stub): And here.
8841         (mips_function_value): Use the new macros to decide whether a single
8842         or complex float can be returned in floating-point registers.  Return
8843         a parallel rtx in the complex case.
8844
8845 Thu Mar 14 11:03:12 CET 2002  Jan Hubicka  <jh@suse.cz>
8846
8847         * toplev.c (rest_of_compilation): Add CLEANUP_UPDATE_LIFE to cfg_cleanup
8848         call after liveness analysis.
8849
8850         * recog.c (split_insn): Use delete_insn_and_edges.
8851
8852         * cfgrtl.c (verify_flow_info): Be permisive about non-any_condjump
8853         instructions to have branch prediction notes.
8854         * ia64reorg.c (ia64_reorg): Do not rebuild CFG.
8855
8856 2002-03-14  Geoffrey Keating  <geoffk@redhat.com>
8857
8858         * configure.in: Don't pass -Wno-long-long to a ADA compiler
8859         that doesn't support it.
8860         * configure: Regenerate.
8861
8862 2002-03-13  Jakub Jelinek  <jakub@redhat.com>
8863
8864         PR target/5626
8865         * config/sparc/sparc.md (normal_branch, inverted_branch,
8866         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
8867         inverted_fp_branch): Adjust calls to output_cbranch.
8868         Set length attribute.
8869         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust calls to
8870         output_v9branch.  Set length attribute.
8871         * config/sparc/sparc.c (fcc0_reg_operand, noov_compare64_op): New
8872         predicates.
8873         (noov_compare_op): Handle CCX_NOOVmode the same way as CC_NOOVmode.
8874         (output_cbranch): Likewise.  Handle far branches.
8875         (output_v9branch): Handle far branches.
8876         * config/sparc/sparc-protos.h (output_cbranch, output_v9branch):
8877         Adjust prototypes.
8878         * config/sparc/sparc.h (PREDICATE_CODES): Add fcc0_reg_operand and
8879         noov_compare64_op predicates.
8880
8881 2002-03-13  Jason Merrill  <jason@redhat.com>
8882
8883         * gthr-posix.h (__gthread_active_p): Move __gthread_active_ptr
8884         into the function and constify it.
8885         * gthr-dce.h, gthr-solaris.h: Likewise.
8886
8887 2002-03-13  David Edelsohn  <edelsohn@gnu.org>
8888
8889         * config/rs6000/rs6000.h (PAD_VARARGS_DOWN): Define.
8890         * config/rs6000/rs6000.c (rs6000_va_arg): Use
8891         std_expand_builtin_va_arg if not ABI_V4.
8892
8893 2002-03-13  Jason Merrill  <jason@redhat.com>
8894
8895         * varasm.c (globalize_decl): New fn.
8896         (assemble_start_function): Use it.
8897         (asm_emit_uninitialized): Use it.
8898         (assemble_alias): Use it.
8899         (assemble_variable): Use it.
8900
8901 2002-03-13  Hans-Peter Nilsson  <hp@axis.com>
8902
8903         * config/cris/cris.c (cris_target_asm_function_prologue): Revert
8904         2002-03-12 internal visibility change.
8905         (cris_encode_section_info): Consider MODULE_LOCAL_P when encoding
8906         visibility into SYMBOL_REF_FLAG.
8907
8908 2002-03-13  Ulrich Weigand  <uweigand@de.ibm.com>
8909
8910         * expr.c (expand_expr, case NE_EXPR): Do not call copy_to_reg with
8911         VOIDmode operand.  Add compile-time optimization for constant results.
8912
8913 2002-03-12  Jason Merrill  <jason@redhat.com>
8914
8915         * c-typeck.c (convert_for_assignment): Don't allow conversions
8916         between pointers and references.  Only allow lvalues to convert to
8917         reference.
8918
8919 2002-03-13  Hartmut Penner  <hpenner@de.ibm.com>
8920
8921         * config/s390/s390.h (PROFILE_BEFORE_PROLOGUE): Emit profile code
8922         before prologue, to avoid scheduling problems.
8923
8924 2002-03-13  Jakub Jelinek  <jakub@redhat.com>
8925
8926         * config/sparc/sparc.h (INITIAL_FRAME_POINTER_OFFSET): Remove.
8927         (ELIMINABLE_REGS): Add sfp->sp.
8928         (INITIAL_ELIMINATION_OFFSET): Compute sfp->sp offset too.
8929
8930 2002-03-13  Jakub Jelinek  <jakub@redhat.com>
8931
8932         PR optimization/5892
8933         * config/ia64/ia64.c (rotate_one_bundle): Update current packet.
8934
8935 2002-03-13  Jakub Jelinek  <jakub@redhat.com>
8936
8937         * loop.c (basic_induction_var): Don't call convert_modes if mode
8938         classes are different.
8939
8940 2002-03-12  Richard Henderson  <rth@redhat.com>
8941
8942         PR optimization/5901
8943         * function.c (reposition_prologue_and_epilogue_notes): Position
8944         the markers after/before the last/first insn not deleted.
8945
8946 2002-03-12  Richard Henderson  <rth@redhat.com>
8947
8948         PR optimization/5878
8949         * config/arc/arc.h, config/cris/cris.h, config/i386/i386.h,
8950         config/m68k/m68k.h, config/s390/s390.h, config/sparc/sparc.h
8951         (PIC_OFFSET_TABLE_REGNUM): Conditionalize on flag_pic.
8952
8953         * config/arm/arm.h config/i386/i386.h, config/m68k/m68k.h,
8954         config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Set
8955         PIC_OFFSET_TABLE_REGNUM based on INVALID_REGNUM not flag_pic.
8956
8957         * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): New.
8958         * config/arm/arm.c (arm_pic_register): Init to INVALID_REGNUM.
8959         (arm_override_options): Set arm_pic_register if TARGET_APCS_STACK
8960         also.  Don't set it if not flag_pic.
8961         * config/i386/i386.c (ix86_save_reg): Trust PIC_OFFSET_TABLE_REGNUM
8962         to be INVALID_REGNUM when not used.
8963
8964 2002-03-13  Aldy Hernandez  <aldyh@redhat.com>
8965
8966         * expmed.c (store_bit_field): Reset alias set for memory.
8967         (extract_bit_field): Same.
8968
8969 2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8970
8971         * c-common.c (c_tree_code_type, c_tree_code_length,
8972         c_tree_code_name, add_c_tree_codes): Delete.
8973         * c-common.h (add_c_tree_codes): Delete.
8974         * c-lang.c (tree_code_type, tree_code_length, tree_code_name):
8975         Define.
8976         * c-objc-common.c (c_objc_common_init): Don't call
8977         add_c_tree_codes, instead set lang_unsafe_for_reeval.
8978         * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
8979         objc_tree_code_name, add_objc_tree_codes): Delete.
8980         (objc_init): Don't call add_objc_tree_codes.
8981         * objc/objc-lang.c (tree_code_type, tree_code_length,
8982         tree_code_name): Define.
8983         * toplev.c (lang_independent_init): Don't set
8984         tree_code_length[IDENTIFIER_NODE].
8985         * tree.c (tree_code_type, tree_code_length, tree_code_name):
8986         Delete definitions, moved to language front-ends.
8987         * tree.def (IDENTIFIER_NODE): Hardwire the length.
8988         * tree.h (tree_code_type, tree_code_length, tree_code_name):
8989         Const-ify.
8990         (tree_code_length): Change type to unsigned char.
8991
8992 2002-03-12  Richard Henderson  <rth@redhat.com>
8993
8994         * config/i386/i386.c (ix86_expand_prologue): Revert 2002-03-03
8995         internal visibility change.
8996
8997 2002-03-12  Bob Wilson  <bob.wilson@acm.org>
8998
8999         * config/xtensa/xtensa.c (xtensa_expand_block_move): Use
9000         validize_mem() instead of change_address to avoid clobbering
9001         memory attributes.
9002
9003 2002-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>
9004
9005         * c-lex.h (position_after_whitespace): Remove.
9006
9007 2002-03-12  Jakub Jelinek  <jakub@redhat.com>
9008
9009         * c-lex.c (cb_ident, c_lex): Remove unnecessary cast.
9010         (lex_string): Use unsigned char pointers.
9011
9012 2002-03-12  Ulrich Weigand  <uweigand@de.ibm.com>
9013
9014         * reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent
9015         is not a valid memory_operand.
9016
9017 2002-03-12  Bob Wilson  <bob.wilson@acm.org>
9018
9019         * config/xtensa/xtensa-config.h: Define XCHAL_HAVE_LOOPS.
9020         * config/xtensa/lib1funcs.asm: Fix copyright to include
9021         special case for libgcc files.
9022         (__udivsi3): Avoid loop instructions when XCHAL_HAVE_LOOPS is 0.
9023         (__divsi3): Likewise.
9024         (__umodsi3): Likewise.
9025         (__modsi3): Likewise.
9026         * config/xtensa/lib2funcs.S: Fix copyright to include
9027         special case for libgcc files.
9028
9029 2002-03-12  Tom Rix  <trix@redhat.com>
9030
9031         * collect2.c (resolve_lib_name): Move outside of
9032         OBJECT_FORMAT_COFF ifdef.
9033         (ignore_library): Same.
9034
9035 2002-03-12  Bob Wilson  <bob.wilson@acm.org>
9036
9037         * config/xtensa/t-xtensa (CRTSTUFF_T_CFLAGS_S): Define.
9038
9039 2002-03-12  Bob Wilson  <bob.wilson@acm.org>
9040
9041         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Switch
9042         to function_section before writing out the constant pool.
9043
9044 2002-03-12  David Edelsohn  <edelsohn@gnu.org>
9045
9046         * config/rs6000/rs6000.h (PREDICATE_CODES): Add any_operand and
9047         zero_constant.
9048         * config/rs6000/rs6000.c (easy_fp_constant): Fix formatting.
9049
9050 2002-03-12  Alan Modra  <amodra@bigpond.net.au>
9051
9052         * config/rs6000/rs6000.md (addsi3): Optimize sign extension.
9053         (adddi3): Likewise.
9054         (movdf): Likewise.
9055         (movdi): Likewise.
9056         (cmpsi splitter): Likewise.
9057         (modsi3): Fail if <= 0.
9058         * config/rs6000/rs6000.c (reg_or_add_cint64_operand): Remove
9059         redundant test when HOST_BITS_PER_WIDE_INT != 32.
9060         (reg_or_sub_cint64_operand): Likewise.
9061         (num_insns_constant_wide): Optimize sign extension.
9062         (rs6000_legitimize_address): Likewise.
9063
9064 2002-03-12  Andrew MacLeod  <amacleod@redhat.com>
9065
9066         * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9067         * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9068
9069 2002-03-12  Andrew MacLeod  <amacleod@redhat.com>
9070
9071         * config/sparc/sparc.h (RETURN_ADDR_RTX): Include v9 stack bias in
9072         address calculation.
9073
9074 2002-03-12  Ulrich Weigand  <uweigand@de.ibm.com>
9075
9076         * config/s390/s390.md (reload_insi, reload_indi): Change mode of
9077         scratch register to DImode / TImode.
9078         config/s390/s390.c (s390_expand_plus_operand): Make sure scratch
9079         register used does not overlap the target.
9080
9081 2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9082
9083         * Makefile.in (debug.o): Depend on debug.h.
9084         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Const-ify.
9085         * debug.c (do_nothing_debug_hooks): Likewise.
9086         * debug.h (debug_hooks, do_nothing_debug_hooks, dbx_debug_hooks,
9087         sdb_debug_hooks, xcoff_debug_hooks, dwarf_debug_hooks,
9088         dwarf2_debug_hooks, vmsdbg_debug_hooks): Likewise.
9089         * dwarf2out.c (dwarf2_debug_hooks): Likewise.
9090         * dwarfout.c (dwarf_debug_hooks): Likewise.
9091         * integrate.c (output_inline_function): Likewise.
9092         * objc/objc-act.c (synth_module_prologue): Likewise.
9093         * sdbout.c (sdb_debug_hooks): Likewise.
9094         * toplev.c (debug_hooks): Likewise.
9095         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
9096
9097 2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9098
9099         * 1750a.h, a29k.h, arc.h, arm.h, c4x.h, clipper.h, cris.h, d30v.h,
9100         dsp16xx.h, fr30.h, h8300.h, i370.h, i386.h, i860.h, i960.h,
9101         m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h, mmix.h, mn10300.h,
9102         ns32k.h, pa.h, pdp11.h, pj.h, romp.h, s390.h, stormy16.h,
9103         v850.h, vax.h, we32k.h, xtensa.h (POINTER_SIZE): Delete.
9104         * defaults.h (POINTER_SIZE): Define.
9105         * doc/tm.texi (POINTER_SIZE): Document default.
9106
9107 2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9108
9109         * mn10200.h (PTRDIFF_TYPE): Change it to a signed type.
9110
9111 2002-03-11  Richard Henderson  <rth@redhat.com>
9112
9113         * toplev.c (rest_of_compilation): Call purge_all_dead_edges
9114         if rebuild_label_notes_after_reload.
9115
9116 2002-03-12  Hans-Peter Nilsson  <hp@axis.com>
9117
9118         * config/cris/cris.c (cris_target_asm_function_prologue):  Do not
9119         emit pic register load if "internal" visibility.
9120         (cris_print_operand): Avoid traditional-warning for 0xffffffff.
9121         (cris_expand_builtin_va_arg): Do all computations on trees.
9122
9123 2002-03-11  Richard Henderson  <rth@redhat.com>
9124
9125         * rtlanal.c: Include recog.h.
9126         (keep_with_call_p): Fix thinko.
9127         * Makefile.in (rtlanal.o): Update dependencies.
9128
9129 2002-03-11  Chris Meyer  <cmeyer@gatan.com>
9130
9131         * genflags.c (gen_insn): Use IS_VSPACE.
9132         * genoutput.c (output_insn_data): Likewise.
9133         (process_template): Likewise.
9134
9135 2002-03-11  Richard Henderson  <rth@redhat.com>
9136
9137         * toplev.c (rest_of_compilation): Don't compile if we've had errors.
9138
9139 2002-03-11  Neil Booth  <neil@daikokuya.demon.co.uk>
9140
9141         * Makefile.in: Update.
9142         * doc/cppenv.texi, cppopts.texi: Split out of cpp.texi and gcc.texi.
9143         Update documentation.
9144         * doc/gcc.texi: Include cppopts.texi and cppenv.texi.
9145         * doc/cpp.texi: Include cppopts.texi and cppenv.texi.
9146
9147 2002-03-11  Zack Weinberg  <zack@codesourcery.com>
9148
9149         * Makefile.in: Give texi2pod its input file as a command line
9150         argument, not on stdin.
9151
9152 2002-03-11  Dan Nicolaescu  <dann@ics.uci.edu>
9153             Daniel Berlin  <dan@dberlin.org>
9154
9155         C++ alias analysis improvement.
9156         * alias.c (record_component_aliases): Record aliases for base
9157         classes too.
9158
9159 2002-03-11  Ulrich Weigand  <uweigand@de.ibm.com>
9160
9161         * config/s390/s390.h (REG_ALLOC_ORDER): Add missing register.
9162
9163 2002-03-11  Douglas B Rupp  <rupp@gnat.com>
9164
9165         * toplev.c (vms_fopen): Remove, not needed.
9166
9167         * vmsdbgout.c (lookup_filename): Adjust creation date for GMT.
9168
9169         * config/alpha/xm-vms.h (__UNIX_FWRITE): Define.
9170
9171         * config/alpha/alpha.c (alpha_sa_size, VMS): Don't reserve space
9172         for FP, already done later.
9173
9174         * toplev.c (debug_args): Add entry for VMS_DEBUG.
9175         * vmsdbgout.c (vmsdbgout_init): Fix typo in call to xmalloc.
9176
9177 2002-03-11  Richard Sandiford  <rsandifo@redhat.com>
9178
9179         * defaults.h (LARGEST_EXPONENT_IS_NORMAL, ROUND_TOWARDS_ZERO): New.
9180         (MODE_HAS_NANS, MODE_HAS_INFINITIES): Evaluate to false if
9181         LARGEST_EXPONENT_IS_NORMAL for the given mode.
9182         (MODE_HAS_SIGN_DEPENDENT_ROUNDING): False when ROUND_TOWARDS_ZERO.
9183         * real.c (eadd1): Make rounding dependent on !ROUND_TOWARDS_ZERO.
9184         (ediv, emul, eldexp, esqrt): Likewise.
9185         (etoe113, etoe64, etoe53, etoe24, etodec, etoibm, etoc4x): Likewise.
9186         (e24toe): Only check NaNs & infinities if !LARGEST_EXPONENT_IS_NORMAL.
9187         (saturate): New function.
9188         (toe53, toe24): Saturate on overflow if LARGEST_EXPONENT_IS_NORMAL.
9189         (make_nan): Use a saturation value instead of a NaN if
9190         LARGEST_EXPONENT_IS_NORMAL.  Warn when this happens.
9191         * fp-bit.c (pack_d): Saturate on NaN, infinite or overflowing
9192         inputs if LARGEST_EXPONENT_IS_NORMAL.  Represent subnormals as
9193         zero if NO_DENORMALS.  Only round to nearest if !ROUND_TOWARDS_ZERO.
9194         (unpack_d): No NaNs or infinities if LARGEST_EXPONENT_IS_NORMAL.
9195         (_fpmul_parts, _fpdiv_parts): Only round to nearest if
9196         !ROUND_TOWARDS_ZERO.
9197         * doc/tm.texi (LARGEST_EXPONENT_IS_NORMAL): Document.
9198         (ROUND_TOWARDS_ZERO): Document.
9199
9200 2002-03-11  Andreas Jaeger  <aj@suse.de>
9201
9202         * cfg.c (dump_flow_info): Remove unused variable.
9203
9204 2002-03-11  Hans-Peter Nilsson  <hp@bitrange.com>
9205
9206         * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Do all
9207         computations on trees.
9208
9209 2002-03-10  Richard Henderson  <rth@redhat.com>
9210
9211         PR 5693:
9212         * reload.c (copy_replacements_1): New.
9213         (copy_replacements): Use it to recurse through the rtx.
9214
9215 2002-03-10  Richard Henderson  <rth@redhat.com>
9216
9217         * loop.c (strength_reduce): Compute number of iterations as
9218         unsigned HOST_WIDE_INT.
9219
9220 2002-03-10  Richard Henderson  <rth@redhat.com>
9221
9222         * sched-rgn.c (add_branch_dependences): Don't allow insns that throw
9223         to move away from the end of the block.
9224
9225 2002-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>
9226
9227         PR preprocessor/5899
9228         * cppinit.c (init_dependency_output): Don't ignore -dM etc.
9229
9230 2002-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9231
9232         * mbchar.c (JIS_state_table, JIS_action_table): Const-ify.
9233
9234         * attribs.c (decl_attributes): Fix signed/unsigned warning.
9235
9236 2002-03-10  Hans-Peter Nilsson  <hp@bitrange.com>
9237
9238         * config/mmix/mmix.c: Improve comments.
9239         (mmix_target_asm_function_prologue): Drop variable
9240         empty_stack_frame.  Don't allocate unused slot above fp.
9241         (mmix_target_asm_function_epilogue): Mirror prologue changes.
9242         * config/mmix/mmix.h (MMIX_GNU_ABI_REG_ALLOC_ORDER): Don't have
9243         brace in first column.
9244         (enum reg_class): Ditto.
9245         (FIRST_PARM_OFFSET): Now 0.
9246         (USER_LABEL_PREFIX): Remove #if 0:d definition.
9247
9248 2002-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9249
9250         * combine.c (make_extraction): Fix error in last change.
9251
9252 2002-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9253
9254         * c4x.c (c4x_fp_reglist): Const-ify.
9255         * cris.c (cris_print_operand): Likewise.
9256         * i386.c (ix86_va_arg): Likewise.
9257         * ia64/unwind-ia64.c (unw_decode_table): Likewise.
9258         * m32r.c (m32r_hard_regno_mode_ok): Likewise.
9259         * m32r.h (m32r_hard_regno_mode_ok): Likewise.
9260         * mcore.c (regno_reg_class, mcore_unique_section): Likewise.
9261         * mcore.h (regno_reg_class): Likewise.
9262         * mips.c (gen_int_relational): Likewise.
9263         * ns32k.c (ns32k_reg_class_contents, regclass_map): Likewise.
9264         * ns32k.h (ns32k_reg_class_contents, regclass_map): Likewise.
9265         * pdp11.c (move_costs): Likewise.
9266         * pj.h (INITIALIZE_TRAMPOLINE): Likewise.
9267         * s390.c (s390_branch_condition_mnemonic, regclass_map):
9268         Likewise.
9269         * s390.h (regclass_map): Likewise.
9270         * sh.c (shift_amounts): Likewise.
9271         * sh.md (rotlsi3): Likewise.
9272
9273 2002-03-09  Geoffrey Keating  <geoffk@redhat.com>
9274
9275         * config/rs6000/rs6000.md (ne0+4): Add extra CLOBBER.
9276         (ne0+5): Use new clobber to generate proper shift pattern.
9277         Patch by Michael Matz <matz@kde.org>.
9278
9279 2002-03-09  Andreas Schwab  <schwab@suse.de>
9280
9281         * gcc.c (validate_all_switches): Also handle `%W{...}'.
9282
9283 2002-03-09  Geoffrey Keating  <geoffk@redhat.com>
9284
9285         * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Don't define.
9286
9287 2002-03-09  Jakub Jelinek  <jakub@redhat.com>
9288
9289         PR middle-end/5877
9290         * expr.c (highest_pow2_factor): Check TREE_INT_CST_LOW
9291         even for non-representable constants.
9292
9293 Sat Mar  9 07:20:01 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9294
9295         * emit-rtl.c (copy_most_rtx): Accept EXPR_LIST for may_share.
9296         * function.c (fixup_var_refs): Add MAY_SHARE parameter.
9297         (fixup_var_refs_insns, fixup_var_refs_insns_with_has): Likewise.
9298         (fixup_var_refs_insn, fixup_var_refs_1): Likewise.
9299         (pop_function_context): Compute MAY_SHARE parameter for
9300         fixup_var_refs.
9301         (fixup_var_refs_1, case MEM): Pass MAY_SHARE to copy_most_rtx, not VAR.
9302         (gen_mem_addressof): Call fixup_var_refs with new parm.
9303
9304         * combine.c (make_extraction): Don't make extension of CONST_INT.
9305
9306 2002-03-09  Alexandre Oliva  <aoliva@redhat.com>
9307
9308         * config/mips/mips.c (function_arg_pass_by_reference): Force to 0
9309         in o32 and o64 ABIs.
9310         * config/mips/abi64.h (MUST_PASS_IN_STACK): Define as in expr.h,
9311         but getting fixed-size structs passed in registers regardless of
9312         padding in o32 and o64 ABIs.
9313
9314         * config/mips/mips.c (mips_va_arg): Apply big-endianness address
9315         offset before loading address of argument passed by transparent
9316         reference.
9317
9318 2002-03-08  John David Anglin  <dave@hiauly1.hia.nrc.ca>
9319
9320         * t-pa64 (LIB1ASMFUNCS, LIB1ASMSRC): Delete.
9321
9322 2002-03-09  Alexandre Oliva  <aoliva@redhat.com>
9323
9324         * config/mips/mips.c (mips_expand_prologue): Set regno of vararg
9325         marker such that registers after it are saved.
9326
9327 2002-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9328
9329         * sparc.c (arith_4096_operand): Fix error in last change.
9330
9331 2002-03-08  Alexandre Oliva  <aoliva@redhat.com>
9332
9333         * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Remove duplicate
9334         defaults for MEABI.
9335
9336 2002-03-08  Aldy Hernandez  <aldyh@redhat.com>
9337
9338         * config/rs6000/rs6000.c (rs6000_va_arg): Fix alignment for
9339         vectors.
9340
9341 2002-03-08  Aldy Hernandez  <aldyh@redhat.com>
9342
9343         * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Change for altivec.
9344
9345 Fri Mar  8 21:27:49 CET 2002  Jan Hubicka  <jh@suse.cz>
9346
9347         * cfgrtl.c (purge_dead_edges): Set BB_DRITY flags if edge has been
9348         removed; fix return value.
9349         * combine.c (combine_instructions): Dirtify blocks where we failed to
9350         update liveness; purge dead edges; use update_life_info_in_dirty_blocks.
9351         * toplev.c (rest_of_compilation): Do not purge_dead_edges after combine.
9352
9353 2002-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9354
9355         * gcse.c (insert_insn_end_bb): Fix typo in last change.
9356
9357 Fri Mar  8 21:08:52 CET 2002  Jan Hubicka  <jh@suse.cz>
9358
9359         * recog.c (peephole2_optimize): Re-distribute EH edges.
9360
9361 2002-03-08  Neil Booth  <neil@daikokuya.demon.co.uk>
9362
9363         * expr.c (expand_expr): Use unsave lang hook.
9364         * langhooks-def.h (LANG_HOOKS_UNSAVE): New.
9365         (LANG_HOOKS_INITIALIZER): Update.
9366         * langhooks.h (struct lang_hooks): New hook unsave.
9367         * tree.c (lang_unsave, lang_unsave_expr_now): Remove.
9368         (unsave_expr_1): Remove unused lang_unsave_expr_now.
9369         (unsave_expr_now_r): Rename lhd_unsave.  Update. Return input.
9370         (unsave_expr_now): Remove.
9371         * tree.h (unsave_expr_now, lang_unsave,
9372         lang_unsave_expr_now): Remove.
9373         (lhd_unsave): New.
9374
9375 2002-03-08  Andreas Jaeger  <aj@suse.de>
9376
9377         * flow.c (propagate_block_delete_insn): Remove unused variable.
9378
9379 2002-03-08  Kazu Hirata  <kazu@hxi.com>
9380
9381         * config/h8300/h8300.c (h8300_adjust_insn_length): Tighten
9382         insn length for memory load/store.
9383
9384 2002-03-08  Craig Rodrigues  <rodrigc@gcc.gnu.org>
9385
9386         * doc/install.texi (--with-libiconv-prefix): Document.
9387
9388 2002-03-08  Michael Y. Brukman  <myb2@cornell.edu>
9389
9390         * doc/sourcebuild.texi: Fix typo.
9391
9392 2002-03-08  Jakub Jelinek  <jakub@redhat.com>
9393
9394         PR c/3711
9395         * builtins.c (std_expand_builtin_va_arg): Do all computations on
9396         trees.
9397
9398 Fri Mar  8 06:48:45 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9399
9400         * rtl.c (copy_most_rtx): Move from here ...
9401         * emit-rtl.c (copy_most_rtx): ... to here.
9402
9403 2002-03-08  Alexandre Oliva  <aoliva@redhat.com>
9404
9405         * config/mips/mips.h (LONG_MAX_SPEC): Rewrite, along with
9406         SUBTARGET_CPP_SIZE_SPEC.
9407         * config/mips/abi64.h (LONG_MAX_SPEC): Delete.
9408
9409         * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Simplify.
9410
9411 2002-03-07  Matt Hiller  <hiller@redhat.com>
9412
9413         * gensupport.c (first_dir_md_include): Renamed from include;
9414         change all references.
9415         (last_dir_md_include): Renamed from last_include; change all
9416         references.
9417         (init_md_reader): Unconditionally initialize base_dir whether or
9418         not filename is a relative path.
9419
9420 2002-03-07  Alexandre Oliva  <aoliva@redhat.com>
9421
9422         * config/fp-bit.c (_unord_f2): Compile it in even if
9423         US_SOFTWARE_GOFAST is enabled.
9424
9425         * config/gofast.h (GOFAST_RENAME_LIBCALLS): Set gt and ge as
9426         NULL_RTX.  Set all HFmode operations as NULL_RTX.
9427         * optabs.c (prepare_float_lib_cmp) <GT, GE, LT, LE>: If libfunc is
9428         NULL_RTX, try reversing the comparison and the operands.
9429
9430 2002-03-06  Ulrich Weigand  <uweigand@de.ibm.com>
9431
9432         * genextract.c (walk_rtx): Recurse into MATCH_PAR_DUP.
9433         genoutput.c (scan_operands): Recurse into MATCH_PAR_DUP
9434         and MATCH_OP_DUP.
9435
9436 Thu Mar  7 16:54:10 CET 2002  Jan Hubicka  <jh@suse.cz>
9437
9438         * reload1.c (reload_cse_delete_noop_set): Purge dead edges.
9439
9440 Thu Mar  7 16:33:54 CET 2002  Jan Hubicka  <jh@suse.cz>
9441
9442         * basic-block.h (fixup_abnormal_edges): Declare.
9443         * reload1.c (fixup_abnormal_edges): New function.
9444         * reg-stack.c (convert_regs): Use it.
9445
9446         * gcse.c (insert_insn_end_bb): Handle trapping insns.
9447
9448         * gcse.c (hash_scan_set): Refuse instructions with EH edges.
9449
9450 2002-03-07  Richard Sandiford  <rsandifo@redhat.com>
9451
9452         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New.
9453         (MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New.
9454         * flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New.
9455         (HONOR_SIGN_DEPENDENT_ROUNDING): New.
9456         * builtins.c (expand_builtin_mathfn): Use HONOR_NANS.
9457         * c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y
9458         unless x and y could be infinite.
9459         (expand_unordered_cmp): New, mostly split from expand_tree_builtin.
9460         Check that the common type of both arguments is a real, even for
9461         targets without unordered comparisons.  Allow an integer argument
9462         to be compared against a real.
9463         (expand_tree_builtin): Use expand_unordered_cmp.
9464         * combine.c (combine_simplify_rtx): Use the new HONOR_... macros.
9465         * cse.c (fold_rtx): Likewise.  Fix indentation.
9466         * fold-const.c (fold_real_zero_addition_p): New.
9467         (fold): Use it, and the new HONOR_... macros.
9468         * ifcvt.c (noce_try_minmax): Use the new HONOR_... macros.
9469         * jump.c (reversed_comparison_code_parts): After searching for
9470         the true comparison mode, use HONOR_NANS to decide whether it
9471         can be safely reversed.
9472         (reverse_condition_maybe_unordered): Remove IEEE check.
9473         * simplify-rtx.c (simplify_binary_operation): Use the new macros
9474         to decide which simplifications are valid.  Allow the following
9475         simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b),
9476         and (a - -b) to (a + b).
9477         (simplify_relational_operation): Use HONOR_NANS.
9478         * doc/tm.texi: Document the MODE_HAS_... macros.
9479
9480 2002-03-07  Richard Earnshaw  <rearnsha@arm.com>
9481
9482         * combine.c (simplify_comparison): If simplifying a logical shift
9483         right and compare with constant, force the comparison to unsigned.
9484
9485 2002-03-07  Aldy Hernandez  <aldyh@redhat.com>
9486
9487         * doc/invoke.texi: Add documentation for -mabi=no-altivec.
9488
9489         * config/rs6000/rs6000.c (rs6000_parse_abi_options): Add
9490         -mabi=no-altivec
9491         (alt_reg_names): Remove % for vrsave.
9492
9493 2002-03-06  Richard Henderson  <rth@redhat.com>
9494
9495         PR optimization/5844
9496         * genemit.c (gen_exp): New argument used.  Invoke copy_rtx
9497         if used indicates we've already emitted one copy of an operand.
9498         (gen_insn, gen_expand, output_add_clobbers): Supply a null used.
9499         (gen_split): Supply a non-null used.
9500
9501 2002-03-06  Ulrich Weigand  <uweigand@de.ibm.com>
9502
9503         * reload1.c (reload): Unshare all rtl after reload is done.
9504
9505         * simplify-rtx.c (simplify_plus_minus): Do not abort,
9506         but simply fail if the expression is too complex to simplify.
9507         (simplify_gen_binary): Handle simplify_plus_minus failures.
9508
9509 Wed Mar  6 20:32:09 CET 2002  Jan Hubicka  <jh@suse.cz>
9510
9511         * toplev.c (rest_of_compilation): Do jump threading before SSA path;
9512         consistently call delete_trivially_dead_insns after CSE and GCSE;
9513         fix DFI_life dumping; do jump threading after liveness; do crossjumping
9514         after liveness2; update comment in last crossjumping.
9515         * cfgcleanup.c (try_crossjump_to_edge): Dirtify block.
9516
9517 Wed Mar  6 12:27:10 2002  Jeffrey A Law  (law@redhat.com)
9518
9519         * ssa-ccp.c (ssa_fast_dce): Update the DF def-use chains
9520         after completing fast dead code elimination.
9521
9522         * m68k.h (CONST_COSTS): Lower cost of 0.0 when used inside a
9523         COMPARE operator.
9524
9525 2002-03-06  Phil Edwards  <pme@gcc.gnu.org>
9526
9527         * version.c:  Fix misplaced leading blanks on first line.
9528
9529 Wed Mar  6 19:08:03 CET 2002  Jan Hubicka  <jh@suse.cz>
9530
9531         * cfgrtl.c (verify_flow_info): Accept RESX as EH edge source.
9532
9533 Wed Mar  6 18:14:43 CET 2002  Jan Hubicka  <jh@suse.cz>
9534
9535         * cfgcleanup.c (mentions_nonequal_regs): New function.
9536         (thread_jump): Use it.
9537         * toplev.c (rest_of_compilation): Run jump threading after
9538         liveness.
9539
9540 2002-03-06  Jakub Jelinek  <jakub@redhat.com>
9541
9542         * ssa-ccp.c (ssa_ccp_substitute_constants): Backout 2002-03-05
9543         patch.
9544
9545 Wed Mar  6 11:28:19 CET 2002  Jan Hubicka  <jh@suse.cz>
9546
9547         * predict.c (estimate_bb_frequencies): Do not reload the
9548         frequencies from notes.
9549
9550 Wed Mar  6 10:59:39 CET 2002  Jan Hubicka  <jh@suse.cz>
9551
9552         * cfgrtl.c (delete_insn_and_edges, delete_insn_chain_and_edges): New.
9553         * rtl.h (delete_insn_and_edges, delete_insn_chain_and_edges): Declare
9554
9555         * basic-block.h (update_life_info, update_life_info_in_dirty_blocks,
9556         delete_noop_moves): Return indeger.
9557         * flow.c (ndead): New variable.
9558         (propagate_block_delete_insn): Use delete_insn_and_edges; remove
9559         BB argument; update callers.
9560         (propagate_block_delete_libcall): Use delete_insn_chain_and_edges.
9561         (life_analysis): Do not call purge_all_dead_edges.
9562         (update_life_info): Return number of deleted insns; print statistics.
9563         (update_life_info_in_dirty_blocks): likewise.
9564         (delete_noop_moves): Use delete_insn_and_edges; print statistics;
9565         return number of insns deleted.
9566
9567         * cse.c: Include timevar.h
9568         (delete_trivially_dead_insns): Kill preserve_basic_blocks argument;
9569         iterate until stabilizes; print statistics; return number of killed
9570         insns.
9571         * Makefile.in: (cse.o): Add timevar.h dependency
9572         * rtl.h (delete_trivially_dead_insns): New.
9573         * timever.def: Add TV_DELETE_TRIVIALLY_DEAD timer.
9574         * toplev.c (rest_of_compilation): Update callers.
9575
9576         * cfgcleanup.c (try_optimize_cfg): Kill blocks.
9577         (try_optimize_cfg): Do not update liveness.
9578         (cleanup-cfg): Loop until try_optimize_cfg and dead code
9579         removal stabilizes; use delete_trivially_dead_insns.
9580
9581         * cfgrtl.c (verify_flow_info): Sanity check outgoing edges.
9582
9583 2002-03-05  Zack Weinberg  <zack@codesourcery.com>
9584
9585         * cppmain.c (setup_callbacks): Disable #pragma and #ident
9586         callbacks when processing assembly language.
9587
9588 2002-03-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>
9589
9590         * pa.h (ASM_FILE_END): Define.
9591         * som.h (ASM_FILE_END): Delete.
9592
9593         * pa.c (function_arg): Don't pass floats in general registers in
9594         indirect calls if TARGET_ELF32.
9595
9596 2002-03-05  Richard Henderson  <rth@redhat.com>
9597
9598         * config/i386/i386.md (floatsidf2): Conditionalize on hard-float.
9599
9600 2002-03-05  Danny Smith  <dannysmith@users.sourceforge.net>
9601
9602         * gthr-win32.h (__GTHREAD_MUTEX_INIT_DEFAULT): Define.
9603
9604 2002-03-05  Jakub Jelinek  <jakub@redhat.com>
9605
9606         * mklibgcc.in: Prepend a tab before .hidden, add $flags to gcc
9607         -r command line.  Don't hide any symbols if not building
9608         shared libgcc.
9609
9610 Tue Mar  5 18:31:27 CET 2002  Jan Hubicka  <jh@suse.cz>
9611
9612         * cfg.c (dump_flow_info): Warn about profile mismatches.
9613         * cfgrtl.c (verify_flow_info): Few aditional sanity checks.
9614         (purge_dead_edges): Remove REG_BR_PROB notes on simplejumps.
9615
9616 2002-03-05  Jakub Jelinek  <jakub@redhat.com>
9617
9618         * expmed.c (emit_store_flag): Don't test BITS_PER_WORD * 2
9619         wide volatile memory by parts.
9620
9621 2002-03-05  Jakub Jelinek  <jakub@redhat.com>
9622
9623         * ssa-ccp.c (ssa_ccp_substitute_constants): Don't crash if def
9624         is NULL.
9625
9626 2002-03-05  Richard Henderson  <rth@redhat.com>
9627
9628         * rs6000.h (TOTAL_ALTIVEC_REGS): Fix off-by-one error.
9629
9630 2002-03-04  Geoffrey Keating  <geoffk@redhat.com>
9631
9632         * toplev.c (documented_lang_options): Document more
9633         language-specific options.
9634         * doc/invoke.texi (Warning Options): Correct documentation for
9635         -Wno-multichar, -Wno-div-by-zero, and -Wsystem-headers.
9636         * c-decl.c (c_decode_option): Use a table to handle warning options.
9637
9638 2002-03-05  Hans-Peter Nilsson  <hp@bitrange.com>
9639
9640         * config/mmix/mmix.h (ENCODE_SECTION_INFO): Pass on new second
9641         parameter to mmix_encode_section_info.
9642         (LINK_SPEC): Don't defsym __.MMIX.start..text if linking
9643         relocatably.  Always produce ELF, not mmo if linking relocatably.
9644         * config/mmix/mmix.c (mmix_encode_section_info): If new parameter
9645         first is non-zero, don't add symbol prefix.
9646         * config/mmix/mmix-protos.h (mmix_encode_section_info): Tweak
9647         prototype accordingly.
9648
9649 2002-03-04  Krister Walfridsson  <cato@df.lth.se>
9650
9651         * config.gcc (*-*-netbsd*): Add t-slibgcc-elf-ver to tmake_file.
9652
9653 2002-03-05  Joseph S. Myers  <jsm28@cam.ac.uk>
9654
9655         * configure.in: Increase required makeinfo version to 4.1.
9656         * configure: Regenerate.
9657
9658 2002-03-04  Geoffrey Keating  <geoffk@redhat.com>
9659
9660         * .cvsignore: Remove *.info* and genrtl*; these files are generated
9661         elsewhere now.
9662
9663 2002-03-04  Joseph S. Myers  <jsm28@cam.ac.uk>
9664
9665         * doc/include/texinfo.tex: Update to version 2002-03-01.06.
9666         * doc/invoke.texi: Fix @math uses.
9667
9668 Mon Mar  4 15:33:54 CET 2002  Jan Hubicka  <jh@suse.cz>
9669
9670         * toplev.c (rest_of_compilation): Cleanup CFG after dead jumptables
9671         removal
9672
9673 2002-03-03  Aldy Hernandez  <aldyh@redhat.com>
9674
9675         * config.gcc (powerpc-*-eabialtivec*): Use t-ppcendian.
9676         (powerpc-*-eabisimaltivec*): Same.
9677
9678         * config/rs6000/t-ppcendian: New.
9679
9680 2002-03-04  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9681
9682         * c4x-protos.h, c4x.h, c4x.c, c4x.md: Add new functions
9683         nonimmediate_src_operand and nonimmediate_lsrc_operand to
9684         disallow ZERO_EXTEND with CONST_INT or CONST_DOUBLE.
9685
9686 2002-03-03  Richard Henderson  <rth@redhat.com>
9687
9688         * toplev.c (rest_of_decl_compilation): Revert last two changes.
9689
9690 2002-03-03  Zack Weinberg  <zack@codesourcery.com>
9691
9692         * emit-rtl.c, final.c, fold-const.c, gengenrtl.c, optabs.c,
9693         print-tree.c, real.c, real.h, recog.c, rtl.c, simplify-rtx.c,
9694         tree.c, config/m68k/m68k.c:
9695         Remove all #ifndef REAL_ARITHMETIC blocks, make all #ifdef
9696         REAL_ARITHMETIC blocks unconditional.  Delete some further
9697         #ifdef blocks predicated on REAL_ARITHMETIC.
9698         * flags.h, toplev.c: Delete remaining references to
9699         flag_pretend_float.
9700
9701         * doc/invoke.texi: Remove documentation of -fpretend-float.
9702         * doc/tm.texi: Describe the various REAL_* macros as provided by
9703         real.h, not by the target configuration files.
9704
9705         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/arm/arm.h,
9706         config/avr/avr.h, config/c4x/c4x.h, config/convex/convex.h,
9707         config/cris/cris.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
9708         config/h8300/h8300.h, config/i370/i370.h, config/i386/i386.h,
9709         config/i386/osf1elf.h, config/i960/i960.h, config/ia64/ia64.h,
9710         config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/dpx2.h,
9711         config/m68k/linux-aout.h, config/m68k/linux.h, config/m68k/m68k.h,
9712         config/m68k/sun3.h, config/m68k/vxm68k.h, config/mcore/mcore.h,
9713         config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
9714         config/mn10300/mn10300.h, config/pa/pa.h, config/pj/pj.h,
9715         config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
9716         config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
9717         config/sparc/sol2.h, config/sparc/sparc.h, config/sparc/vxsim.h,
9718         config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h,
9719         config/xtensa/xtensa.h:
9720         Do not define, undefine, or mention in comments any of
9721         REAL_ARITHMETIC, REAL_VALUE_ATOF, REAL_VALUE_HTOF,
9722         REAL_VALUE_ISNAN, REAL_VALUE_ISINF,
9723         REAL_VALUE_TO_TARGET_SINGLE, REAL_VALUE_TO_TARGET_DOUBLE,
9724         REAL_VALUE_TO_TARGET_LONG_DOUBLE, REAL_VALUE_TO_DECIMAL,
9725         REAL_VALUE_TYPE, REAL_VALUES_EQUAL, REAL_VALUES_LESS,
9726         REAL_VALUE_LDEXP, REAL_VALUE_FIX, REAL_VALUE_UNSIGNED_FIX,
9727         REAL_VALUE_RNDZINT, REAL_VALUE_UNSIGNED_RNDZINT,
9728         REAL_INFINITY, REAL_VALUE_NEGATE, REAL_VALUE_TRUNCATE,
9729         REAL_VALUE_TO_INT, or REAL_VALUE_FROM_INT.
9730
9731 2002-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9732
9733         * 1750a.h, a29k.h, alpha.h, arc.h, arm.h, avr.h, c4x.h, clipper.h,
9734         convex.h, cris.h, d30v.h, dsp16xx.h, elxsi.h, fr30.h, h8300.h,
9735         i370.h, i386.h, i860.h, i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h,
9736         m88k.h, mcore.h, mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h,
9737         pa.h, pdp11.h, pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h,
9738         stormy16.h, v850.h, vax.h, we32k.h, xtensa.h (BITS_PER_WORD):
9739         Delete.
9740         * defaults.h (BITS_PER_WORD): Define.
9741         * doc/tm.texi (BITS_PER_WORD): Document default value.
9742
9743         * 1750a.h, avr.h, convex.h, d30v.h, dsp16xx.h, fr30.h, ia64.h,
9744         m68hc11.h, m88k.h, mips.h, pdp11.h, rs6000.h, sparc.c,
9745         stormy16.h, xtensa.h, vmsdbgout.c (CHAR_TYPE_SIZE): Delete.
9746
9747 2002-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9748
9749         * attribs.c (init_attributes, decl_attributes): Use ARRAY_SIZE in
9750         lieu of explicit sizeof/sizeof.
9751         * i386.c (override_options, ix86_init_mmx_sse_builtins,
9752         ix86_expand_builtin): Likewise.
9753         * mips.c (mips_add_gc_roots): Likewise.
9754         * mmix.c (mmix_output_condition): Likewise.
9755         * rs6000.c (rs6000_override_options, altivec_expand_builtin,
9756         altivec_init_builtins): Likewise.
9757         * sparc.c (mark_ultrasparc_pipeline_state): Likewise.
9758         * cppexp.c (Nsuff, parse_number): Likewise.
9759         * cppinit.c (builtin_array_end): Likewise.
9760         * gcc.c (n_default_compilers, process_command): Likewise.
9761         * genpreds.c (output_predicate_decls): Likewise.
9762         * ggc-page.c (NUM_EXTRA_ORDERS): Likewise.
9763         * lcm.c (N_ENTITIES): Likewise.
9764         * stor-layout.c (set_sizetype): Likewise.
9765
9766 2002-03-03  Richard Henderson  <rth@redhat.com>
9767
9768         * toplev.c (rest_of_decl_compilation): Do not invoke make_decl_rtl
9769         for types or labels.
9770
9771 2002-03-03  Richard Henderson  <rth@redhat.com>
9772
9773         * c-decl.c (start_decl): Initialized variables are not common.
9774
9775 2002-03-02  Per Bothner  <per@bothner.com>
9776
9777         * gcc.c (option_map):  Suport new --bootclasspath option.
9778         --CLASSPATH is now just an alias for --classpath.
9779
9780 2002-03-02  Richard Henderson  <rth@redhat.com>
9781
9782         * config/i386/i386.h (ix86_expand_prologue): Do not emit pic register
9783         load if "internal" visibility.
9784         * doc/extend.texi: Document visibility meanings.
9785
9786 2002-03-02  Richard Henderson  <rth@redhat.com>
9787
9788         * config/i386/i386.h (ENCODE_SECTION_INFO): MODULE_LOCAL_P applies
9789         to functions as well.
9790
9791 2002-03-02  Richard Henderson  <rth@redhat.com>
9792
9793         * attribs.c (handle_alias_attribute): Don't call assemble_alias.
9794         (handle_visibility_attribute): Don't call assemble_visibility.
9795         * toplev.c (rest_of_decl_compilation): Invoke make_decl_rtl even
9796         without asmspec.  Invoke assemble_alias when needed.
9797         * varasm.c (maybe_assemble_visibility): New.
9798         (assemble_start_function, assemble_variable, assemble_alias): Use it.
9799
9800 2002-03-02  Richard Henderson  <rth@redhat.com>
9801
9802         * varasm.c (make_decl_rtl): Remove call to REDO_SECTION_INFO_P;
9803         invoke ENCODE_SECTION_INFO with first call flag.
9804
9805         * config/darwin-protos.h, config/darwin.c, config/darwin.h,
9806         config/a29k/a29k.h, config/alpha/alpha-protos.h, config/alpha/alpha.c,
9807         config/alpha/alpha.h, config/arc/arc.h, config/arm/arm-protos.h,
9808         config/arm/arm.h, config/arm/pe.c, config/arm/pe.h,
9809         config/avr/avr-protos.h, config/avr/avr.c, config/avr/avr.h,
9810         config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
9811         config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.h,
9812         config/d30v/d30v.h, config/h8300/h8300.h, config/i370/i370.h,
9813         config/i386/cygwin.h, config/i386/i386-interix.h, config/i386/i386.h,
9814         config/i386/osfrose.h, config/i386/win32.h, config/i386/winnt.c,
9815         config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9816         config/m32r/m32r-protos.h, config/m32r/m32r.c, config/m32r/m32r.h,
9817         config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
9818         config/m68hc11/m68hc11.h, config/m88k/m88k.h,
9819         config/mcore/mcore-protos.h, config/mcore/mcore.c,
9820         config/mcore/mcore.h, config/mips/mips.h, config/ns32k/ns32k.h,
9821         config/pa/pa.h, config/romp/romp.h, config/rs6000/linux64.h,
9822         config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
9823         config/rs6000/sysv4.h, config/rs6000/xcoff.h, config/s390/s390.h,
9824         config/sh/sh.h, config/sparc/sparc.h,
9825         config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
9826         config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vms.h,
9827         config/xtensa/xtensa.h, doc/tm.texi: ENCODE_SECTION_INFO now takes
9828         FIRST argument.  As needed, examine it and do nothing.
9829
9830         * config/darwin.h, config/alpha/alpha.h, config/arm/pe.h,
9831         config/i386/cygwin.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h,
9832         config/mcore/mcore.h: Remove REDO_SECTION_INFO_P.
9833
9834         * config/arm/t-pe (pe.o): Add dependencies.
9835
9836 2002-03-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9837
9838         * a29k.h, alpha.h, arc.h, arm.h, avr.h, clipper.h, convex.h,
9839         cris.h, d30v.h, elxsi.h, fr30.h, h8300.h, i370.h, i386.h, i860.h,
9840         i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h,
9841         mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pdp11.h,
9842         pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h, stormy16.h, v850.h,
9843         vax.h, we32k.h, xtensa.h: (BITS_PER_UNIT): Delete.
9844         * defaults.h (BITS_PER_UNIT): Define.
9845         * doc/tm.texi (BITS_PER_UNIT): Document default value.
9846
9847 2002-03-02  Kazu Hirata  <kazu@hxi.com>
9848
9849         * config/h8300/h8300-protos.h: Add a prototype for
9850         compute_a_shift_length.
9851         * config/h8300/h8300.c (h8300_asm_insn_count): New.
9852         (compute_a_shift_length): Likewise.
9853         (h8300_adjust_insn_length): Do not adjust insn length of shift
9854         insns.
9855         * config/h8300/h8300.md (anonymous shift patterns): Use
9856         compute_a_shift_length.
9857
9858 Sat Mar  2 06:30:14 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9859
9860         * config/sparc/sparc.c (sparc_initialize_trampoline): Use
9861         trunc_int_for_mode.
9862
9863         * emit-rtl.c (offset_address): Call update_temp_slot_address.
9864
9865 2002-03-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9866
9867         * Makefile.in (CRTSTUFF_CFLAGS): Add -fno-zero-initialized-in-bss.
9868         * doc/invoke.texi (-fno-zero-initialized-in-bss): Document.
9869         * flags.h (flag_zero_initialized_in_bss): Declare.
9870         * toplev.c (flag_zero_initialized_in_bss): New flag.
9871         (lang_independent_options): Add flag_zero_initialized_in_bss.
9872         * tree.c (initializer_zerop): New function.
9873         * tree.h (initializer_zerop): Declare.
9874         * varasm.c (assemble_variable): If we can emit bss, put zero
9875         initializers in the bss section.
9876
9877 2002-03-02  Alan Modra  <amodra@bigpond.net.au>
9878
9879         * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): AIX assembler doesn't
9880         like more than one symbol per .weak directive.
9881
9882 2002-03-01  Richard Henderson  <rth@redhat.com>
9883
9884         * config/ia64/ia64.c (ia64_initial_elimination_offset): Do not
9885         adjust argument_pointer by pretend_args_size.
9886         (ia64_va_start): Adjust va_start address by -pretend_args_size.
9887
9888 2002-03-01  Kazu Hirata  <kazu@hxi.com>
9889
9890         * config/h8300/h8300.c (h8300_adjust_insn_length): Clean up.
9891
9892 Fri Mar  1 20:59:14 CET 2002  Jan Hubicka  <jh@suse.cz>
9893
9894         * toplev.c (rest_of_compilation): Delete dead jumptables before
9895         loop.
9896         * flow.c (delete_dead_jumptables): Make global.
9897         * rtl.h (delete_dead_jumptables): Declare.
9898
9899 2002-03-01  David Edelsohn  <edelsohn@gnu.org>
9900
9901         * config/rs6000/rs6000.h (HANDLE_PRAGMA_PACK): Delete.
9902         * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Define.
9903         * config/rs6000/xcoff.h (COLLECT_EXPORT_LIST): Delete.
9904
9905 2002-03-01  Kazu Hirata  <kazu@hxi.com>
9906
9907         * config/h8300/h8300-protos.h: Fix formatting.
9908         * config/h8300/h8300.c: Likewise.
9909         * config/h8300/h8300.h: Likewise.
9910
9911 2002-03-01  Kazu Hirata  <kazu@hxi.com>
9912
9913         * config/h8300/h8300.c (print_operand): Support 16-bit
9914         constant addresses.
9915         * config/h8300/h8300.h (TINY_CONSTANT_ADDRESS_P): New.
9916
9917 2002-02-28  Richard Henderson  <rth@redhat.com>
9918
9919         * expmed.c (store_bit_field): Prevent generation of CONCATs;
9920         pun complex values as integers; use gen_lowpart instead of
9921         gen_rtx_SUBREG.
9922         (extract_bit_field): Likewise.
9923
9924 2002-03-01  Alan Modra  <amodra@bigpond.net.au>
9925             David Edelsohn  <edelsohn@gnu.org>
9926
9927         * doc/tm.texi (ASM_WEAKEN_DECL): Document.
9928         (ASM_WEAKEN_LABEL): Mention ASM_WEAKEN_DECL.
9929         (SUPPORTS_WEAK): Likewise.
9930         * output.h (add_weak): Add tree param.
9931         * varasm.c (add_weak): Likewise.  Save decl.
9932         (struct weak_syms): Add decl field.
9933         (mark_weak_decls): New function.
9934         (init_varasm_once): ggc_add_root mark_weak_decls.
9935         (assemble_start_function): Use ASM_WEAKEN_DECL.
9936         (assemble_variable): Likewise.
9937         (assemble_alias): Likewise.
9938         (declare_weak): Pass decl to add_weak.
9939         (weak_finish): Use ASM_WEAKEN_DECL. Try to find decl.
9940         (remove_from_pending_weak_list): Declare and define for
9941         ASM_WEAKEN_DECL.
9942         * c-pragma.c (handle_pragma_weak): Adjust add_weak call.
9943         * c-pragma.h (HANDLE_PRAGMA_WEAK): Define if ASM_WEAKEN_DECL too.
9944         * defaults.h (SUPPORTS_WEAK): Likewise.
9945         * config/rs6000/linux64.h (ASM_DECLARE_FUNCTION_NAME): Don't emit
9946         .weak for code sym.  Do emit .size for descriptor sym.
9947         (ASM_DECLARE_FUNCTION_SIZE): Define.
9948         * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Define.
9949         (ASM_OUTPUT_DEF_FROM_DECLS): Don't emit .weak here.  Don't output
9950         .lglobl unless TARGET_XCOFF.  Formatting fixes.
9951         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Don't emit
9952         .weak for code sym.
9953         (HANDLE_PRAGMA_WEAK): Remove.
9954         (ASM_WEAKEN_LABEL): Remove.
9955         * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Define.
9956
9957 2002-03-01  Jason Merrill  <jason@redhat.com>
9958
9959         * tree.h (TARGET_EXPR_SLOT, TARGET_EXPR_INITIAL): New macros.
9960         (TARGET_EXPR_CLEANUP): New macro.
9961
9962 2002-02-28  Steve Ellcey  <sje@cup.hp.com>
9963
9964         * doc/rtl.texi (SUBREG_PROMOTED_UNSIGNED_P): Change definition
9965         to take ptr_extend into account as third type of extension.
9966         (SUBREG_PROMOTED_UNSIGNED_SET): Definition of new macro to set bit
9967         fields used by SUBREG_PROMOTED_UNSIGNED_P.
9968         * rtl.h (SUBREG_PROMOTED_UNSIGNED_SET): New macro.
9969         (SUBREG_PROMOTED_UNSIGNED_P): Change to return -1 as well as 0 or 1.
9970         * calls.c (precompute_arguments): Use new macro.
9971         (expand_call): Ditto.
9972         * combine.c (nonzero_bits): Ditto.
9973         (record_promoted_value): Ditto.
9974         * expr.c (store_expr): Ditto.
9975         (expand_expr): Ditto.
9976         * function.c (assign_parms): Ditto.
9977
9978 2002-02-28  Alexandre Oliva  <aoliva@redhat.com>
9979
9980         * gcc.c (init_gcc_specs): Get -static and -static-libgcc to
9981         override -shared and -shared-libgcc.
9982
9983 2002-02-28  David O'Brien  <obrien@FreeBSD.org>
9984
9985         * config.gcc (sparc64-*-freebsd): Explicitly accept a cpu specification
9986         of "ultrasparc".
9987         * config/sparc/freebsd.h: Do not use MASK_FASTER_STRUCTS.  It appears
9988         to be broken.
9989
9990 2002-02-28  Richard Henderson  <rth@redhat.com>
9991
9992         * config/ia64/ia64.c (ia64_adjust_cost): All non-MM consumers have
9993         4 cycle latency from MM producers.
9994         (ia64_internal_sched_reorder): Likewise with pipeline flush.
9995
9996 2002-02-28  Jakub Jelinek  <jakub@redhat.com>
9997
9998         * mklibgcc.in: Don't use GNU make extension.
9999
10000 2002-02-28  Neil Booth  <neil@daikokuya.demon.co.uk>
10001
10002         * c-parse.in (STATIC): New terminal.
10003         (scspec): New non-terminal.  Update productions accordingly.
10004         (program): Remove bogus ifc / end ifc.
10005         (array_declarator): Simplify production using STATIC.
10006
10007 2002-02-28  Jim Meyering  <meyering@lucent.com>
10008
10009         * cpplex.c (cpp_parse_escape): Restore mistakenly-removed code:
10010         \a still means TARGET_BELL.
10011
10012 2002-02-28  Richard Henderson  <rth@redhat.com>
10013
10014         * haifa-sched.c (sched_emit_insn): New.
10015         (schedule_block): Use last_scheduled_insn to track last insn.
10016         * sched-int.h (sched_emit_insn): Prototype.
10017         * config/ia64/ia64.c (last_issued): Remove.
10018         (ia64_variable_issue): Don't set it.
10019         (nop_cycles_until): Use sched_emit_insn.
10020
10021 2002-02-28  Andrew MacLeod  <amacleod@redhat.com>
10022
10023         * config/sparc/sparc.c (sparc64_initialize_trampoline): Generate sign
10024         extended constants.
10025
10026 2002-02-28  Kazu Hirata  <kazu@hxi.com>
10027
10028         * config/h8300/h8300.c: Fix formatting.
10029         * config/h8300/h8300.h: Likewise.
10030
10031 2002-02-28  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10032
10033         * config/avr/avr.c (avr_hard_regno_mode_ok): Do not allow r29
10034         which may overwrite the high byte of the frame pointer.
10035
10036 2002-02-28  Bo Thorsen  <bo@suse.de>
10037
10038         * config/i386/linux64.h (LINK_SPEC): Fix 32/64 bit compilation.
10039         (STARTFILE_SPEC): Add 64 bit files.
10040         (ENDFILE_SPEC): Likewise.
10041
10042 2002-02-28  Jason Merrill  <jason@redhat.com>
10043
10044         * c-decl.c (finish_function): Only warn about missing return
10045         statement with -Wreturn-type.
10046
10047 Don Feb 28 11:24:30 CET 2002  Jan Hubicka  <jh@suse.cz>
10048
10049         * cfgrtl.c (purge_dead_edges): Fix handling of EH edges.
10050
10051         * i386.h (CONDITIONAL_REGISTER_USAGE): Do not write to
10052         PIC_OFFSET_TABLE_REGNUM when it is INVALID_REGNUM
10053
10054 Don Feb 28 11:07:36 CET 2002  Jan Hubicka  <jh@suse.cz>
10055
10056         * basic-block.h (BB_REACHABLE): Renumber.
10057         (BB_DIRTY, BB_NEW): New flags.
10058         (clear_bb_flags): Declare.
10059         (update_life_info_in_dirty_blocks): Declare.
10060         * cfg.c (clear_bb_flags): New function.
10061         * cfgrtl.c (create_basic_block_structure): Set flags to BB_NEW.
10062         * emit-rtl.c (add_insn_after, add_insn_before, remove_insn,
10063         reorder_insns, emit_insn_after): Mark block as dirty.
10064         * flow.c (update_life_info): Fix clearing of PROP_LOG_LINKS.
10065         (update_life_info_in_dirty_blocks): New function.
10066         * recog.c (apply_change_group): Dirtify block.
10067
10068         * cse.c (cse_insn): Reorder emitting of jump insn to keep
10069         cfg consistent.
10070         * gcse.c (delete_null_pointer_checks): Likewise.
10071
10072         * toplev.c (dump_file_index): Move cse2 after bp,
10073         add DFI_null
10074         (dump_file_info): Similary.
10075         (rest_of_compilation): Avoid most of CFG rebuilds;
10076         do first if converision after null pointer checks, do cse2
10077         after branch prediction; avoid full liveness rebuild after
10078         initializing subregs.
10079         * invoke.texi (-d options): Document -du, renumber.
10080
10081         * cfgcleanup.c (bb_flags): Remove BB_UPDATE_LIFE.
10082         (notice_new_block): Do not set BB_UPDATE_LIFE.
10083         (try_forward_edges, merge_blocks_move_predecessor_nojumps,
10084          merge_blocks_move_successor_nojumps, merge_blocks,
10085          try_crossjump_to_edge): Likewise.
10086         (try_optimize_cfg): Likewise; use update_life_info_in_dirty_blocks.
10087         * cfgrtl.c (merge_blocks_nomove): Copy b's flags to a.
10088         * ifcvt.c (SET_UPDATE_LIFE, UPDATE_LIFE): Kill.
10089         (merge_of_block): Do not use life_data_ok.
10090         (find_if_case_1): Do not use SET_UPDATE_LIFE.
10091         (if_convert): Use BB_DIRTY mechanizm to update life.
10092         * lcm.c (optimize_mode_switching): Update
10093         update_life_info_in_dirty_blocks
10094
10095 2002-02-28  Neil Booth  <neil@daikokuya.demon.co.uk>
10096
10097         * Makefile.in (integrate.o): Update.
10098         * c-decl.c (copy_lang_decl): Rename.
10099         * c-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
10100         * integrate.c: Include langhooks.h.
10101         (copy_decl_for_inlining): Update to use langhook.
10102         * langhooks-def.h (lhd_do_nothing_t,
10103         LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): New.
10104         (LANG_HOOKS_INITIALIZER): Update.
10105         * langhooks.c (lhd_do_nothing_t): New.
10106         * langhooks.h (struct lang_hooks): Add dup_lang_specific_decl.
10107         * tree.h (copy_lang_decl): Remove.
10108 objc:
10109         * objc-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
10110
10111 2002-02-27  Andrew MacLeod  <amacleod@redhat.com>
10112
10113         * dwarf2out.c (stack_adjust_offset): Add support for POST_INC,
10114         POST_DEC, and POST_MODIFY.
10115
10116 2002-02-27  Zack Weinberg  <zack@codesourcery.com>
10117
10118         * c-typeck.c (digest_init): Remove unused parameter; all
10119         callers changed.
10120
10121 2002-02-27  Geoffrey Keating  <geoffk@redhat.com>
10122
10123         * expmed.c (expand_shift): Correctly test for low part of a
10124         subreg.
10125
10126 2002-02-27  Ulrich Weigand  <uweigand@de.ibm.com>
10127
10128         * config/s390/s390.c (s390_chunkify_pool): Do not confuse
10129         insn UIDs with insn addresses.
10130
10131 2002-02-27  Zack Weinberg  <zack@codesourcery.com>
10132
10133         * c-common.c, c-common.h, c-decl.c, c-lex.c, c-parse.in,
10134         c-tree.h, c-typeck.c, cppexp.c, cpplex.c, cpplib.c, cpplib.h,
10135         cppmacro.c, objc/lang-specs.h, objc/objc-act.c,
10136         builtin-types.def, builtins.def, dwarf2out.c, dwarfout.c,
10137         gcc.c, toplev.c: Delete code implementing -traditional mode.
10138
10139         * doc/bugreport.texi, doc/cpp.texi, doc/extend.texi,
10140         doc/invoke.texi, doc/standards.texi, doc/trouble.texi:
10141         Document removal of -traditional mode for compilation, and
10142         remove documentation only relevant to that mode.
10143
10144         * config/nextstep.h, config/ptx4.h, config/svr4.h,
10145         config/convex/convex.h, config/d30v/d30v.h,
10146         config/i386/dgux.h, config/i386/osf1elf.h,
10147         config/i386/osfelf.h, config/i386/osfrose.h,
10148         config/i386/sco5.h, config/i386/sol2.h, config/m68k/a-ux.h,
10149         config/m68k/hp310.h, config/m88k/dgux.h,
10150         config/m88k/dguxbcs.h, config/m88k/luna.h, config/m88k/m88k.c,
10151         config/m88k/m88k.h, config/m88k/openbsd.h,
10152         config/mips/abi64.h, config/mips/osfrose.h,
10153         config/mips/svr4-5.h, config/mips/svr4-t.h,
10154         config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
10155         config/stormy16/stormy16.h: Remove all references to
10156         -traditional from target specs.  Delete all mention of the
10157         no-longer-necessary TRADITIONAL_RETURN_FLOAT macro.  Also
10158         delete a couple of commented-out definitions of
10159         DOLLARS_IN_IDENTIFIERS, with (incorrect) commentary referring
10160         to -traditional.
10161
10162         * system.h: Poison TRADITIONAL_RETURN_FLOAT.
10163         * doc/tm.texi: Remove mention of TRADITIONAL_RETURN_FLOAT macro.
10164
10165 2002-02-27  Zack Weinberg  <zack@codesourcery.com>
10166
10167         * mklibgcc.in: Don't use \n in a line subject to
10168         interpretation by echo.
10169
10170 2002-02-27  Graham Stott  <grahams@redhat.com>
10171
10172         * config/rs6000/rs6000.h (ASM_OUTPUT_DEF_FROM_DELC):
10173         Constify NAME.
10174
10175         * loop.c (prescan_loop): Handle PARALLEL.
10176
10177         * unroll.c (loop_iterations): Return 0 if the add_val for
10178         a BIV is REG.
10179
10180         * final.c (output_operand_lossage): Constify PFX_STR.
10181
10182         * df.c (df_insn_refs_record): Use XEXP (x, 0) for USE.
10183
10184 Wed Feb 27 10:45:19 CET 2002  Jan Hubicka  <jh@suse.cz>
10185
10186         * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Remove.
10187         * x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Allways define.
10188
10189 Wed Feb 27 10:39:20 CET 2002  Jan Hubicka  <jh@suse.cz>
10190
10191         * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
10192
10193 2002-02-27  Neil Booth  <neil@daikokuya.demon.co.uk>
10194
10195         * cpplex.c (_cpp_lex_token): Handle directives in macro
10196         arguments.
10197         * cpplib.c (_cpp_handle_directive): Save and restore state
10198         if parsing macro args when entering a directive.
10199         * cppmacro.c (collect_args): No need to handle directives
10200         in macro arguments.
10201         (enter_macro_context, replace_args): Use the original macro
10202         definition in case it was redefined whilst collecting arguments.
10203 doc:
10204         * cpp.texi: Update.
10205
10206 2002-02-26  David Edelsohn  <edelsohn@gnu.org>
10207
10208         * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Delete.
10209         * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Delete.
10210         * config/rs6000/rs6000.c (rs6000_return_addr): Use efficient
10211         method on AIX.
10212         * config/rs6000/rs6000.md (movsi_low): Use gpc_reg_operand.
10213         (movsi_low_st, movdf_low, movdf_low_st, movsf_low, movsf_low_st): Same.
10214         (load_toc_v4_PIC_2): Same.
10215
10216 2002-02-26  Alan Modra  <amodra@bigpond.net.au>
10217
10218         * config/rs6000/rs6000.md (load_toc_aix_di): Handle TARGET_RELOCATABLE.
10219
10220 2002-02-26  Richard Henderson  <rth@redhat.com>
10221
10222         * config/alpha/alpha.md (ashldi_se): Re-enable.
10223
10224 2002-02-26  Richard Henderson  <rth@redhat.com>
10225
10226         * config/alpha/alpha.c (alpha_encode_section_info): Examine
10227         MODULE_LOCAL_P; improve commentary.
10228
10229 2002-02-26  Zack Weinberg  <zack@codesourcery.com>
10230
10231         * doc/cpp.texi: Clarify documentation of relationship between
10232         #line and #include.
10233
10234 2002-02-26  Kazu Hirata  <kazu@hxi.com>
10235
10236         * config/h8300/h8300-protos.h: Update the prototype for
10237         compute_logical_op_length.  Add the prototype for
10238         compute_logical_op_cc.
10239         * config/h8300/h8300.c (compute_logical_op_length): Figure out
10240         code from operands.
10241         (compute_logical_op_cc): New.
10242         * config/h8300/h8300.md: Combine all the logical op patterns
10243         in HImode and SImode.  Use compute_logical_op_cc.
10244
10245 2002-02-26  Kelley Cook  <kelleycook@comcast.net>
10246
10247         * config/i386/i386.c (print_operand): Don't append ATT-style
10248         length suffixs to x87 opcodes when in Intel mode.
10249
10250 2002-02-26  Ryan T. Sammartino <ryants@shaw.ca>
10251
10252         * emit-rtl.c (gen_const_vector_0): Remove TYPE argument.
10253         (init_emit_once): Update calls.
10254         * fixinc/gnu-regex.c (_GNU_SOURCE): Remove.
10255         (init_syntax_once): Prototype.
10256
10257 2002-02-26  John David Anglin  <dave@hiauly1.hia.nrc.ca>
10258
10259         * pa-linux.h (LIB_SPEC): Update definition.
10260         * pa32-linux.h (LINK_COMMAND_SPEC): Delete.
10261
10262 2002-02-26  Richard Henderson  <rth@redhat.com>
10263
10264         * config/ia64/ia64.c (nop_cycles_until): Do init_insn_group_barriers
10265         if we emitted a stop bit.
10266
10267 2002-02-26  Jakub Jelinek  <jakub@redhat.com>
10268
10269         * configure.in (libgcc_visibility): Substitute.
10270         * configure: Rebuilt.
10271         * mklibgcc.in: If libgcc_visibility = yes, make libgcc.a global
10272         defined symbols .hidden.
10273
10274 2002-02-26  Jakub Jelinek  <jakub@redhat.com>
10275
10276         * attribs.c (c_common_attribute_table): Add visibility.
10277         (handle_visibility_attribute): New function.
10278         * varasm.c (assemble_visibility): New function.
10279         * output.h (assemble_visibility): Add prototype.
10280         * tree.h (MODULE_LOCAL_P): Define.
10281         * crtstuff.c (__dso_handle): Use visibility attribute.
10282         * config/i386/i386.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG
10283         for MODULE_LOCAL_P symbols too.
10284         * config/ia64/ia64.c (ia64_encode_section_info): Handle
10285         MODULE_LOCAL_P symbols the same way as local symbols.
10286         Add SDATA_NAME_FLAG_CHAR even if decl was explicitely forced
10287         into .sdata/.sbss by the user.
10288         * doc/extend.texi (Function Attributes): Document visibility
10289         attribute.
10290
10291 2002-02-26  Jakub Jelinek  <jakub@redhat.com>
10292
10293         PR debug/5770
10294         * dwarf2out.c (rtl_for_decl_location): Return CONST_STRING for
10295         STRING_CST initializer spanning the whole variable without
10296         embedded zeros.
10297         If expand_expr returned MEM, don't use it.
10298
10299 2002-02-26  Alexandre Oliva  <aoliva@redhat.com>
10300
10301         * dwarf2out.c (gen_inlined_subroutine_die): If block is abstract,
10302         generate a die for the lexical block.
10303
10304 2002-02-26  Kazu Hirata  <kazu@hxi.com>
10305
10306         * config/h8300/h8300-protos.h: Add a prototype for
10307         compute_logical_op_length.
10308         * config/h8300/h8300.c (compute_logical_op_length): New.
10309         * config/h8300/h8300.md (anonymous logical patterns): Use
10310         compute_logical_op_length for length.
10311
10312 2002-02-26  Aldy Hernandez  <aldyh@redhat.com>
10313
10314         * dwarf2out.c (modified_type_die): Do not call type_main_variant
10315         for vectors.
10316         (gen_type_die): Same.
10317
10318         * attribs.c (handle_vector_size_attribute): Set debug information.
10319
10320 2002-02-26  Daniel Egger  <degger@fhm.edu>
10321
10322         * config/rs6000/rs6000.md: Swap define_insn attributes to
10323         fix incorrect generation of merge high instructions instead
10324         of merge low.
10325
10326 2002-02-26  Aldy Hernandez  <aldyh@redhat.com>
10327
10328         * c-typeck.c (really_start_incremental_init): Use
10329         bitsize_zero_node for vectors.
10330
10331 2002-02-26  Aldy Hernandez  <aldyh@redhat.com>
10332
10333         * config/rs6000/rs6000.md (get_vrsave_internal): Fix typo.
10334         ("*set_vrsave_internal"): Same.
10335
10336 2002-02-25  Richard Henderson  <rth@redhat.com>
10337
10338         * expr.c (expand_expr) [MULT_EXPR]: Do not apply distributive law
10339         in EXPAND_SUM case.  Use host_integerp/tree_low_cst.
10340
10341 2002-02-25  Jakub Jelinek  <jakub@redhat.com>
10342
10343         PR target/5755
10344         * config/i386/i386.c (ix86_return_pops_args): Only pop
10345         fake structure return argument if it was passed on the stack.
10346
10347 2002-02-25  Jason Merrill  <jason@redhat.com>
10348
10349         * attribs.c (decl_attributes): Also re-layout PARM_DECL and
10350         RESULT_DECL.
10351
10352 2002-02-25  Alexandre Oliva  <aoliva@redhat.com>
10353
10354         * gcc.c (init_gcc_specs): Get -shared-libgcc along with -shared to
10355         link with shared_name only.
10356         * doc/invoke.texi (Link Options): Document new behavior.
10357
10358 2002-02-25  Aldy Hernandez  <aldyh@redhat.com>
10359
10360         * c-typeck.c (push_init_level): Handle vectors.
10361
10362 2002-02-25  Alexandre Oliva  <aoliva@redhat.com>
10363
10364         * config/sparc/sparc.c (const64_high_operand): Zero-extend
10365         operands of SPARC_SETHI_P.
10366         (input_operand): Likewise.
10367         (sparc_emit_set_const32): Likewise.
10368         * config/sparc/sparc.h (SPARC_SETHI_P): Disregard TARGET_ARCH64.
10369         (SPARC_SETHI32_P): Zero-extend operand from 32 bits.
10370         (CONST_OK_FOR_LETTER_P): Use SETHI32 for `K'.  Add `N' as SETHI.
10371         * config/sparc/sparc.md (movdi_insn_sp64_novis): Use `N'.
10372         (movdi_insn_sp64_vis): Likewise.
10373         (movdi split, movdf split): Use SETHI32.
10374         * doc/md.texi: Document SPARC constraints L, M and N.
10375
10376 2002-02-25  Aldy Hernandez  <aldyh@redhat.com>
10377
10378         * config/rs6000/rs6000.md ("get_vrsave_internal"): New.
10379         ("*set_vrsave_internal"): use mfspr for Darwin.
10380
10381         * config/rs6000/rs6000.c (rs6000_emit_prologue): Call
10382         gen_get_vrsave_internal.
10383
10384 Sun Feb 24 16:38:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10385
10386         * optabs.c (widen_operand): Properly handle CONST_INT for NO_EXTEND.
10387
10388 2002-02-24  Neil Booth  <neil@daikokuya.demon.co.uk>
10389
10390         * cpplex.c (cpp_interpret_charconst): Get signedness or
10391         otherwise of wide character constants correct.
10392         * cppexp.c (lex): Get signedness of wide charconsts correct.
10393
10394 Sun Feb 24 07:41:31 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10395
10396         * optabs.c (widen_operand): Only call convert_modes for
10397         promoted SUBREG if signedness matches.
10398         * config/alpha/alpha.md (*addsi_se2, *subsi_se2): New patterns.
10399
10400 2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>
10401
10402         * cpplib.c (glue_header_name): Use local buffer to build up
10403         header name.
10404
10405 2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>
10406
10407         * doc/cpp.texi, doc/invoke.texi: Update documentation for -MM.
10408
10409 2002-02-23  Kazu Hirata  <kazu@hxi.com>
10410
10411         * config/h8300/h8300.c (output_simode_bld): Handle H8/300 and
10412         H8/300[HS] separately.
10413         * config/h8300/h8300.md: Remove the early clobber constraint
10414         from bit field patterns.
10415
10416 2002-02-23  Kazu Hirata  <kazu@hxi.com>
10417
10418         * config/h8300/h8300.md (mulqihi3): Tighten predicates to
10419         register_operand.
10420         (mulhisi3): Likewise.
10421         (umulqisi3): Likewise.
10422         (umulhisi3): Likewise.
10423
10424 2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>
10425
10426         * cppinit.c (output_deps): Correct test for stdout output.
10427         (init_dependency_output): Cure warning.
10428
10429 Sat Feb 23 08:42:47 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10430
10431         * expr.c (store_expr): When converting expression to promoted
10432         equivalent type, allow using SUBREG_REG of TARGET as the target
10433         of the expansion of EXP.
10434         * loop.c (basic_induction_var, case SUBREG): Always look inside.
10435         * config/alpha/alpha.c (rtx_equiv_function_matters): Delete decl.
10436         (alpha_emit_set_const): Handle SImode when can't make new pseudos.
10437         (alpha_emit_set_const_1, alpha_sa_mask): Use no_new_pseudos.
10438         * config/alpha/alpha.md (addsi3, subsi3): Don't use if optimizing.
10439
10440 2002-02-23  Joseph S. Myers  <jsm28@cam.ac.uk>
10441
10442         * doc/contribute.texi, doc/extend.texi, doc/install.texi,
10443         doc/invoke.texi, doc/md.texi, doc/passes.texi, doc/rtl.texi,
10444         doc/standards.texi, doc/tm.texi: Remove trailing whitespace.
10445
10446 2002-02-23  Jakub Jelinek  <jakub@redhat.com>
10447
10448         PR optimization/5747
10449         * loop.c (scan_loop): Update reg info if move_movables created new
10450         pseudos.
10451
10452 2002-02-23  David Edelsohn  <edelsohn@gnu.org>
10453
10454         * gcc.c (init_gcc_spec): Revert last change.
10455
10456 2002-02-23  David Edelsohn  <edelsohn@gnu.org>
10457
10458         * config/rs6000/rs6000.md (load_toc_aix_{si,di}): Use
10459         gpc_reg_operand constraint.
10460
10461 2002-02-23  Alan Modra  <amodra@bigpond.net.au>
10462
10463         * config/rs6000/rs6000.c (num_insns_constant): Fix formatting.
10464         Simplify comparison of `low'.
10465         (add_operand): Fix formatting.
10466         (non_add_cint_operand): Use CONST_OK_FOR_LETTER_P.
10467         (mask_operand): Disallow mask to wrap in 64-bit mode.
10468         (rs6000_stack_info): Remove redundant test setting push_p.
10469         (output_toc): Fix formatting.
10470         * config/rs6000/rs6000.md (boolsi3, boolcsi3 splitters): Use
10471         cc_reg_not_cr0_operand constraint.
10472         (booldi3, boolcdi3 splitters): Same.
10473
10474 2002-02-23  Aldy Hernandez  <aldyh@redhat.com>
10475
10476         * config/rs6000/altivec.h: Add extra level of parentheses on casts.
10477
10478 2002-02-22  David Edelsohn  <edelsohn@gnu.org>
10479
10480         * gcc.c (init_gcc_spec): Do not link with static libgcc.a if
10481         gcc invoked with -shared-libgcc.
10482
10483 2002-02-22  Jakub Jelinek  <jakub@redhat.com>
10484
10485         PR c++/5748
10486         * stmt.c (expand_anon_union_decl): Set TREE_USED on the anon union
10487         decl if any of elements was TREE_USED.
10488
10489 2002-02-22  Alexandre Oliva  <aoliva@redhat.com>
10490
10491         * config/sparc/sol2.h: Don't include sys/mman.h.
10492         * config/sparc/sparc.c (arith_operand): Use SMALL_INT32.
10493         (arith_4096_operand): Don't throw high bits away.
10494         (const64_operand): Take sign extension of CONST_INTs into account.
10495         (const64_high_operand, sparc_emit_set_const32): Likewise.
10496         (GEN_HIGHINT64): Likewise.
10497         (sparc_emit_set_const64_quick1): Likewise.
10498         (const64_is_2insns): Likewise.
10499         (print_operand): Use trunc_int_for_mode for sign extension.
10500         * config/sparc/sparc.h (SMALL_INT32): Likewise.
10501         * config/sparc/sparc.md (movqi): Sign-extend CONST_DOUBLE
10502         chars.  Assume CONST_INT is already properly sign-extended.
10503         (movdi split): Sign-extend each SImode part.
10504         (andsi3 split): Don't mask high bits off, so that result
10505         remains properly sign-extend.
10506         (iorsi3 split): Likewise.
10507         (xorsi3 split): Likewise.
10508
10509 2002-02-22  Richard Sandiford  <rsandifo@redhat.com>
10510
10511         * fold-const.c (fold): Fix typo in comments.
10512
10513 2002-02-21  Diego Novillo  <dnovillo@redhat.com>
10514
10515         * Makefile.in (langhooks.o): Update dependencies.
10516
10517 2002-02-21  Diego Novillo  <dnovillo@redhat.com>
10518
10519         * langhooks.c: Include flags.h.
10520
10521 2002-02-21  Aldy Hernandez  <aldyh@redhat.com>
10522
10523         * testsuite/gcc.dg/attr-alwaysinline.c: New.
10524
10525         * c-common.c (c_common_post_options): Set inline trees by
10526         default.
10527
10528         * doc/extend.texi (Function Attributes): Document always_inline
10529         attribute.
10530         Update documentation about inlining when not optimizing.
10531
10532         * cp/decl.c (duplicate_decls): Merge always_inline attribute.
10533
10534         * cp/tree.c (cp_cannot_inline_tree_fn): Do not inline at -O0
10535         unless DECL_ALWAYS_INLINE.
10536
10537         * c-objc-common.c (c_cannot_inline_tree_fn): Do not inline at -O0
10538         unless DECL_ALWAYS_INLINE.
10539         (c_disregard_inline_limits): Disregard if always_inline set.
10540
10541         * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
10542         Disregard if always_inline set.
10543         (lhd_tree_inlining_cannot_inline_tree_fn): Do not inline at -O0
10544         unless DECL_ALWAYS_INLINE.
10545
10546         * attribs.c (handle_always_inline_attribute): New.
10547         (c_common_attribute_table): Add always_inline.
10548
10549         * config/rs6000/altivec.h: Add prototypes for builtins
10550         requiring the always_inline attribute.
10551
10552 2002-02-21  Eric Christopher  <echristo@redhat.com>
10553
10554         * expmed.c (store_bit_field): Try to simplify the subreg
10555         before generating a new one when when the mode size of
10556         value is less than maxmode.
10557
10558 2002-02-21  Richard Henderson  <rth@redhat.com>
10559
10560         * emit-rtl.c (offset_address): Use simplify_gen_binary rather
10561         than gen_rtx_PLUS to form the sum.
10562         * explow.c (force_reg): Rearrange to not allocate new pseudo
10563         when force_operand returns a register.
10564         * expr.c (expand_assignment): Allow offset_rtx expansion to
10565         return a sum.  Do not force addresses into registers.
10566         (expand_expr): Likewise.
10567         * simplify-rtx.c (simplify_gen_binary): Use simplify_plus_minus
10568         to canonicalize arithmetic that didn't simpify.
10569         (simplify_plus_minus): New argument force; update
10570         all callers.  Don't split CONST unless we can do something with it,
10571         and wouldn't lose the constness of the operands.
10572
10573         * config/i386/i386.c (legitimize_pic_address): Recognize UNSPECs
10574         that we generated earlier.
10575
10576 2002-02-21  Tom Tromey  <tromey@redhat.com>
10577
10578         * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
10579         (output_line_info): Use constant `1', with a long explanatory
10580         comment.
10581         * system.h (DWARF_LINE_MIN_INSTR_LENGTH): Poison.
10582
10583 Thu Feb 21 22:43:44 2002  J"orn Rennecke <joern.rennecke@superh.com>
10584
10585         * jump.c (redirect_jump): If old label has no UID, don't try to
10586         delete it.
10587
10588 Thu Feb 21 21:17:21 2002  J"orn Rennecke <joern.rennecke@superh.com>
10589
10590         * sh.md (insv): Provide byte offsets for gen_rtx_SUBREG.
10591         If input is constant, do shifts at compile time.
10592
10593 2002-02-21  Joseph S. Myers  <jsm28@cam.ac.uk>
10594
10595         * doc/extend.texi: Fix some more overfull hboxes.
10596
10597 2002-02-21  Jakub Jelinek  <jakub@redhat.com>
10598
10599         PR optimization/4994
10600         * config/i386/i386.md (movsi_1, movsf_1): Support MMX -> MMX
10601         register moves.
10602
10603 2002-02-21  Jakub Jelinek  <jakub@redhat.com>
10604
10605         PR c++/4574
10606         * expr.h (expand_and): Add mode argument.
10607         * expmed.c (expand_and): Add mode argument.
10608         (expand_mult_highpart_adjust, emit_store_flag): Adjust callers.
10609         * expr.c (store_field, expand_expr, do_store_flag): Likewise.
10610         * except.c (expand_builtin_extract_return_addr): Likewise.
10611         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
10612         * config/sparc/sparc.c (sparc_initialize_trampoline): Likewise.
10613         * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Likewise.
10614         Use GEN_INT (x) instead of gen_rtx (CONST_INT, VOIDmode, x).
10615         * config/c4x/c4x.md: Use GEN_INT (x) instead of
10616         gen_rtx (CONST_INT, VOIDmode, x).
10617
10618 2002-02-21  Jakub Jelinek  <jakub@redhat.com>
10619
10620         PR c/4697:
10621         * stmt.c (warn_if_unused_value): Move side effects test once more.
10622
10623 2002-02-20  Torbjorn Granlund  <tege@swox.com>
10624
10625         * config/avr/avr.md: Add more patterns for mized-mode add and subtract
10626         (addsi3_zero_extend, subhi3_zero_extend1, subsi3_zero_extend).
10627
10628 Thu Feb 21 16:20:46 2002  Alexandre Oliva  <aoliva@redhat.com>
10629
10630         * rtlanal.c (replace_rtx): Don't make a CONST_INT the operand of
10631         SUBREG or ZERO_EXTEND.
10632
10633 Thu Feb 21 15:35:46 2002  J"orn Rennecke <joern.rennecke@superh.com>
10634
10635         * sh.h (current_function_anonymous_args): Remove.
10636         (SETUP_INCOMING_VARARGS): Don't set it - just check that one
10637         of current_function_varargs and current_function_stdarg is set.
10638         * sh.c (sh_expand_prologue): Check current_function_varargs /
10639         current_function_stdarg / TARGET_SH5 instead of
10640         current_function_anonymous_args.
10641
10642         * sh64.h (TARGET_VERSION): Define.
10643
10644 2002-02-20  David Edelsohn  <edelsohn@gnu.org>
10645
10646         * config/rs6000/rs6000.h (EPILOGUE_USES): Conditionalize
10647         VRSAVE_REGNO on TARGET_ALTIVEC.
10648
10649 2002-02-20  Alan Modra  <amodra@bigpond.net.au>
10650
10651         * config/rs6000/rs6000.c (includes_lshift_p): Mask irrelevant
10652         bits of SImode const_int.
10653         (includes_rshift_p): Likewise.
10654         (print_operand): Call mask_operand and mask64_operand with correct
10655         mode.
10656         (rs6000_output_function_epilogue): Pad traceback table to word.
10657         * config/rs6000/rs6000.h (MASK_64BIT): Correct comment.
10658         (EXTRA_CONSTRAINT, 'S' and 'T'): Call mask_operand and
10659         mask64_operand with correct mode.
10660         (FUNCTION_ARG_REGNO_P): Correct parentheses.
10661
10662 2002-02-20  Jakub Jelinek  <jakub@redhat.com>
10663
10664         PR debug/4461
10665         * varasm.c (get_pool_constant_mark): New.
10666         * rtl.h (get_pool_constant_mark): Add prototype.
10667         * dwarf2out.c (mem_loc_descriptor): A pool constant cannot
10668         be represented if it has not been output.
10669
10670 2002-02-20  Alexandre Oliva  <aoliva@redhat.com>
10671
10672         * combine.c (do_SUBST): Sanity check substitutions of
10673         CONST_INTs, and reject them in SUBREGs and ZERO_EXTENDs.
10674         (subst): Simplify SUBREG or ZERO_EXTEND instead of SUBSTing a
10675         CONST_INT into its operand.
10676         (known_cond): Likewise, for ZERO_EXTEND.
10677         * simplify-rtx.c (simplify_unary_operation): Fix condition to
10678         allow for simplification of wide modes.  Reject CONST_INTs in
10679         ZERO_EXTEND when their actual mode is not given.
10680
10681 2002-02-20  Alexandre Oliva  <aoliva@redhat.com>
10682
10683         * c-decl.c (pushdecl): If no global declaration is found for an
10684         extern declaration in block scope, try a limbo one.
10685
10686 2002-02-20  Jakub Jelinek  <jakub@redhat.com>
10687
10688         PR c++/4401
10689         * c-common.c (pointer_int_sum): Moved from...
10690         * c-typeck.c (pointer_int_sum): ...here.
10691         * c-common.h (pointer_int_sum): Add prototype.
10692
10693 2002-02-20  Jakub Jelinek  <jakub@redhat.com>
10694
10695         PR c++/5713
10696         * c-decl.c (duplicate_decls): Return 0 if issued error about
10697         redeclaration.
10698
10699 2002-02-20  Roger Sayle  <roger@eyesopen.com>
10700             Jakub Jelinek  <jakub@redhat.com>
10701
10702         PR c/4389
10703         * tree.c (host_integerp): Ensure that the constant integer is
10704         representable in a HOST_WIDE_INT or an unsigned HOST_WIDE_INT
10705         when pos is zero or non-zero respectively.  Clarify comment.
10706         * c-format.c (check_format_info_recurse): Fix host_integerp
10707         usage; the pos argument should be zero when assigning to a
10708         signed HOST_WIDE_INT.
10709
10710 2002-02-20  Richard Henderson  <rth@redhat.com>
10711
10712         * config/i386/i386.c (ix86_expand_vector_move): Use the mode
10713         of the operand, rather than assuming TImode.
10714         (ix86_expand_binop_builtin): Cope with commutative patterns
10715         using nonimmediate_operand for both operands.
10716         (ix86_expand_timode_binop_builtin): Likewise.
10717         (ix86_expand_store_builtin): Validate operand 1.
10718         (ix86_expand_unop1_builtin): Likewise.
10719
10720 2002-02-20  Philip Blundell  <philb@gnu.org>
10721
10722         PR 5705
10723         * config/arm/arm.h (HARD_REGNO_RENAME_OK): New macro.
10724
10725 2002-02-20  Richard Henderson  <rth@redhat.com>
10726
10727         PR c/5615
10728         * expr.h (ARGS_SIZE_TREE): Convert size.var to ssizetype.
10729
10730 2002-02-20  Tom Tromey  <tromey@redhat.com>
10731
10732         * config/fr30/fr30.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
10733         * config/sh/sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
10734         * config/pj/pj.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
10735         * config/cris/cris.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
10736         * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Define
10737         unconditionally.
10738
10739 Wed Feb 20 00:03:25 EST 2002 Alan Matsuoka <alanm@redhat.com>
10740
10741         * config/rs6000/rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): Look
10742           for (const_int 0) in X not just INTVAL.
10743
10744 2002-02-20  Joseph S. Myers  <jsm28@cam.ac.uk>
10745
10746         * doc/extend.texi: Avoid or reduce overfull hboxes.
10747
10748 2002-02-20  Diego Novillo  <dnovillo@redhat.com>
10749
10750         * expmed.c (store_bit_field): Do not store bit fields using SUBREG
10751         operations if the field does not start at a mode boundary.
10752
10753 2001-02-20      Joel Sherrill <joel@OARcorp.com>
10754
10755         * config/a29k/rtems.h, config/arm/rtems-elf.h, config/h8300/rtems.h,
10756         config/mips/rtems.h: Use new style of -Asystem= rather than -Asystem().
10757         Also done for -Acpu and -Amachine.
10758
10759 2002-02-20  Neil Booth  <neil@daikokuya.demon.co.uk>
10760
10761         * cppinit.c (init_dependency_output): Take deps output file
10762         from -o if none given with -MF.  Suppress normal output.
10763         * gcc.c (cpp_unique_options): Have -M and -MM imply -E.
10764         * doc/cpp.texi, doc/invoke.texi: Update.
10765
10766 2002-02-19  Zack Weinberg  <zack@codesourcery.com>
10767
10768         * toplev.c (output_quoted_string): Write unprintable
10769         characters with octal escapes.
10770
10771 2002-02-19  David Edelsohn  <edelsohn@gnu.org>
10772
10773         * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Set
10774         really_call_used[VRSAVE_REGNO] if not Altivec.
10775
10776 2002-02-19  Alan Modra  <amodra@bigpond.net.au>
10777
10778         * config/rs6000/rs6000.c (u_short_cint_operand): Mask op with
10779         MODE_MASK.
10780         (constant_pool_expr_1): Fix formatting.
10781         (rs6000_legitimize_reload_address): Likewise.
10782
10783 Tue Feb 19 20:13:57 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10784
10785         * config/sparc/sparc.md (nonlocal_goto): Use hard_frame_pointer_rtx
10786         now that we have one.
10787
10788 2002-02-19  Zack Weinberg  <zack@codesourcery.com>
10789
10790         * tree.h (struct tree_common): Remove aux.  Add unused_0 at
10791         end of first block of bitfields (which was only seven bits);
10792         rename dummy to unused_1; remove comment which is no longer true.
10793
10794 2002-02-19  Gaute B Strokkenes <gs234@cam.ac.uk>
10795
10796         * doc/c-tree.texi (Classes, TYPE_BINFO): Fix typo.
10797
10798 2002-02-19  Philip Blundell  <pb@nexus.co.uk>
10799
10800         PR 5399
10801         * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept anything
10802         if generating PIC.
10803
10804         PR 5054
10805         * config/arm/arm.md (call_insn) [TARGET_THUMB]: Use
10806         arm_is_longcall_p rather than inspecting call-type cookie
10807         directly.
10808         (call_value_insn) [TARGET_THUMB]: Likewise.
10809
10810 2002-02-19  Graham Stott  <grahams@redhat.com>
10811
10812         * config/i386/i386.c (ix86_expand_builtin): Fix typo.
10813
10814 2002-02-19  David Edelsohn  <edelsohn@gnu.org>
10815
10816         * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC): Look in /lib64.
10817         ({STARTFILE,ENDFILE}_LINUX_SPEC): Define.
10818         (FP_SAVE_INLINE): Delete.
10819
10820         * config/rs6000/sysv4.h (ENDFILE_SPEC): Add crtsaveres.o.
10821         * config/rs6000/eabi.asm: Remove ABI save restore routines.
10822         * config/rs6000/t-ppccomm: Build crtsavres.o.
10823         * config/rs6000/crtsavres.asm: New file.
10824
10825 2002-02-19  Philip Blundell  <philb@gnu.org>
10826
10827         * config/arm/arm.c (use_return_insn): Don't reject interrupt
10828         functions.
10829         (arm_compute_save_reg_mask): Save LR for interrupt functions too.
10830         (output_return_instruction): Allow interrupt functions to return with
10831         ldmfd sp!, {... pc}^.  Use LDR to restore any single register.
10832         (arm_expand_prologue): Subtract 4 before stacking LR in an
10833         interrupt function.
10834
10835 2002-02-19  Philip Blundell  <pb@nexus.co.uk>
10836
10837         * config/arm/arm.c (arm_encode_call_attribute): Operate on any
10838         decl, not just FUNCTION_DECL.
10839         (legitimize_pic_address): Handle local SYMBOL_REF like LABEL_REF.
10840         (arm_assemble_integer): Likewise.
10841         * config/arm/arm.h (ARM_ENCODE_CALL_TYPE): Allow any decl to be
10842         marked local.
10843
10844 2002-02-19  matthew green  <mrg@eterna.com.au>
10845
10846         * config.gcc (sparc-*-netbsdelf*): Enable target.
10847         (sparc64-*-netbsd*): New target.
10848         * config/sparc/netbsd-elf.h: New file.
10849         * config/sparc/t-netbsd64: New file.
10850
10851 2002-02-19  Gaute B Strokkenes <gs234@cam.ac.uk>
10852
10853         * doc/rtl.texi (Flags, MEM_SCALAR_P): Fix typo.
10854
10855 2002-02-19  Ryan T. Sammartino <ryants@shaw.ca>
10856
10857         * doc/invoke.texi: explicitly list the style guidelines that
10858         -Weffc++ checks for.
10859
10860 Tue Feb 19 12:37:23 CET 2002  Jan Hubicka  <jh@suse.cz>
10861
10862         * regmove.c (regmove_optimize): Avoid increasing of register pressure.
10863
10864 2002-02-19  Neil Booth  <neil@daikokuya.demon.co.uk>
10865
10866         PR other/5718
10867         * gcc.c (cpp_unique_options): Treat -o as indicating object file
10868         only if not -E.  If -E, pass -o through to the preprocessor.
10869
10870 2002-02-19  Kazu Hirata  <kazu@hxi.com>
10871
10872         * config/h8300/h8300.h (REGNO_REG_CLASS): Replace a literal
10873         register number with an appropriate macro.
10874
10875 2002-02-19  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>
10876
10877         * doc/rtl.texi (Constants): Close @code tag.
10878
10879 2002-02-19  Aldy Hernandez  <aldyh@redhat.com>
10880
10881         * config/i386/i386.md ("mmx_uavgv8qi3"): Use const_vector.
10882         ("mmx_uavgv4hi3"): Same.
10883         ("pmulhrwv4hi3"): Same.
10884
10885         * tree-inline.c (walk_tree): Handle vectors.
10886
10887         * c-common.c (constant_expression_warning): Handle vectors.
10888         (overflow_warning): Same.
10889
10890         * sched-deps.c (sched_analyze_2): Handle vectors.
10891
10892         * rtlanal.c (rtx_unstable_p): Handle vectors.
10893         (rtx_varies_p): Same.
10894         (count_occurrences): Same.
10895         (regs_set_between_p): Same.
10896         (modified_between_p): Same.
10897         (modified_in_p): Same.
10898         (volatile_insn_p): Same.
10899         (volatile_refs_p): Same.
10900         (side_effects_p): Same.
10901         (may_trap_p): Same.
10902         (inequality_comparisons_p): Same.
10903         (replace_regs): Same.
10904         (computed_jump_p_1): Same.
10905
10906         * rtl.c (DEF_MACHMODE): Change all definitions to accept 8th
10907         argument.
10908         (inner_mode_array): New.
10909         (copy_rtx): Handle vectors.
10910         (copy_most_rtx): Same.
10911         (rtx_equal_p): Same.
10912         (get_mode_alignment): Adjust for vectors.
10913
10914         * resource.c (mark_referenced_resources): Handle vectors.
10915         (mark_set_resources): Same.
10916
10917         * reload1.c (eliminate_regs): Handle vectors.
10918         (elimination_effects): Same.
10919         (scan_paradoxical_subregs): Same.
10920
10921         * reload.c (subst_reg_equivs): Handle vectors.
10922
10923         * regrename.c (scan_rtx): Handle vectors.
10924
10925         * regclass.c (reg_scan_mark_refs): Handle vectors.
10926
10927         * recog.c (find_single_use_1): Handle vectors.
10928
10929         * local-alloc.c (equiv_init_varies_p): Handle vectors.
10930         (contains_replace_regs): Same.
10931         (memref_referenced_p): Same.
10932
10933         * integrate.c (copy_rtx_and_substitute): Handle vectors.
10934         (subst_constants): Same.
10935
10936         * genattrtab.c (attr_copy_rtx): Handle vectors.
10937         (encode_units_mask): Same.
10938         (clear_struct_flag): Same.
10939         (count_sub_rtxs): Same.
10940
10941         * gcse.c (want_to_gcse_p): Handle vectors.
10942         (oprs_unchanged_p): Same.
10943         (hash_expr_1): Same.
10944         (oprs_not_set_p): Same.
10945         (expr_killed_p): Same.
10946         (compute_transp): Same.
10947         (store_ops_ok): Same.
10948
10949         * function.c (purge_addressof_1): Do not allow paradoxical subregs
10950         of vectors.
10951         (fixup_var_refs_1): Same.
10952         (instantiate_virtual_regs_1): Same.
10953
10954         * fold-const.c (operand_equal_p): Handle vectors.
10955         (fold): Same.
10956         (rtl_expr_nonnegative_p): Same.
10957
10958         * flow.c (mark_used_regs): Handle vectors.
10959
10960         * df.c (df_uses_record): Handle vectors.
10961
10962         * cselib.c (cselib_subst_to_values): Handle vectors.
10963         (cselib_mem_conflict_p): Same.
10964         (hash_rtx): Same.
10965
10966         * cse.c (canon_reg): Handle vectors.
10967         (fold_rt): Same.
10968         (cse_process_notes): Same.
10969         (count_reg_usage): Same.
10970         (canon_hash): Same.
10971
10972         * alias.c (nonlocal_mentioned_p): Add case for CONST_VECTOR.
10973
10974         * combine.c (mark_used_regs_combine): Add case for CONST_VECTOR.
10975
10976         * emit-rtl.c (init_emit_once): Generate const0_rtx for vectors.
10977         (gen_rtx): Handle CONST_VECTOR.
10978         (gen_const_vector_0): New.
10979         (copy_rtx_if_shared): CONST_VECTORs can be shared.
10980         (reset_used_flags): Same.
10981         (copy_insn_1): Same.
10982         (initializer_constant_valid_p): Handle VECTOR_CST.
10983
10984         * doc/c-tree.texi (Expression trees): Document VECTOR_CST.
10985
10986         * doc/rtl.texi (Constants): Document const_vector.
10987         (CONST0_RTX): Update for vectors.
10988         (RTL sharing): Same.
10989
10990         * print-tree.c (print_node): Add case for VECTOR_CST.
10991
10992         * tree.h (TREE_VECTOR_CST_ELTS): New.
10993         (struct tree_vector): New.
10994         (union tree_node): Add vector node.
10995         (build_vector): Add prototype.
10996
10997         * tree.def (VECTOR_CST): New.
10998
10999         * tree.c (build_vector): New.
11000
11001         * expmed.c (make_tree): Handle CONST_VECTOR.
11002
11003         * rtl.h (CONSTANT_P): CONST_VECTORs are constants too.
11004         (CONST_VECTOR_ELT): New.
11005         (CONST_VECTOR_NUNITS): New.
11006
11007         * machmode.h (GET_MODE_INNER): New.
11008         (DEF_MACHMODE): Accept 8th arg.
11009
11010         * machmode.def: Add 8th argument for vector inner mode.
11011         Add inner vector modes for vectors.
11012
11013         * rtl.def (VEC_CONST): Remove.
11014         (CONST_VECTOR): New.
11015
11016         * expr.c (clear_storage): Allow vectors.
11017         (is_zeros_p): Handle VECTOR_CST.
11018
11019         * varasm.c (output_constant_pool): Handle vectors.
11020         (rtx_const): Add veclo and vechi fields.
11021         (kind): Add RTX_VECTOR.
11022         (decode_rtx_const): Add case for vector.
11023
11024         * config/rs6000/rs6000-protos.h: Add zero_constant.
11025
11026         * config/rs6000/rs6000.c (rs6000_emit_move): Handle vector
11027         constants.  Force easy vector constants into memory.
11028         (easy_vector_constant): New.
11029         (emit_easy_vector_constant): New.
11030         (rs6000_legitimize_reload_address): Do not generate bad reloads on
11031         darwin.
11032
11033         * config/rs6000/rs6000.md ("altivec_lvx"): Reflect what
11034         instruction does.
11035         ("altivec_lvxl"): Same.
11036         (altivec_lvebx): Same.
11037         (altivec_lvehx): Same.
11038         (altivec_lvewx): Same.
11039         ("*movv4si_const0"): New.
11040         ("*movv4sf_const0"): New.
11041         ("*movv8hi_const0"): New.
11042         ("*movv16qi_const0"): New.
11043
11044 2002-02-18  Kazu Hirata  <kazu@hxi.com>
11045
11046         * config/h8300/h8300.c (notice_update_cc): Use
11047         cc_status.value2.
11048
11049 2002-02-18  Kazu Hirata  <kazu@hxi.com>
11050
11051         * config/h8300/h8300.md (divmod patterns): Change the
11052         constraints for operands[1] to register_operand.
11053
11054 2002-02-18  Kazu Hirata  <kazu@hxi.com>
11055
11056         * config/h8300/h8300-protos.h: Remove the prototype for
11057         p_operand.
11058         * config/h8300/h8300.c (p_operand): Remove.
11059         * config/h8300/h8300.md: Replace p_operand with
11060         const_int_operand.
11061
11062 2002-02-18 Philip Blundell <pb@nexus.co.uk>
11063
11064         * config/arm/arm.c (arm_compute_save_reg_mask): Fix typo in
11065         comment.
11066         (output_return_instruction): Allow use of LDR to unstack
11067         return addresss even for interrupt handlers or when
11068         interworking.  If compiling for ARMv5, use interworking-safe
11069         return instructions by default.  Remove duplicated code and
11070         lengthy "strcat" sequences.
11071
11072 2002-02-18  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
11073
11074         * config/rs6000/sysv4.h (STARTFILE_SPEC): Use crtbeginT.o for -static.
11075         (LINK_EH_SPEC): Define.
11076         * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbeginT.o.
11077
11078 2002-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
11079
11080         * config/s390/s390.c (s390_emit_prologue): Do not set the
11081         frame_related flag for call-clobbered registers.
11082
11083 Mon Feb 18 15:07:35 CET 2002  Jan Hubicka  <jh@suse.cz>
11084
11085         * i386.c (classify_argument): Properly classify SSE/MMX modes and VOIDmode.
11086         (construct_container): Fix handling of SSE operands.
11087         (ix86_expand_builtin): Fix handling of 64bit pointers.
11088         (mmx_maskmovq_rex): New pattern.
11089
11090 Mon Feb 18 11:55:55 CET 2002  Jan Hubicka  <jh@suse.cz>
11091
11092         * regrename.c (kill_set_value): Handle subregs properly.
11093
11094 2002-02-18  David Billinghurst <David.Billinghurst@riotinto.com>
11095
11096         * objc/objc-act.c (handle_impent): Remove leading '*'
11097         from objc_class_name.
11098
11099 2002-02-17  Richard Henderson  <rth@redhat.com>
11100
11101         * config/alpha/alpha.c (some_small_symbolic_operand,
11102         some_small_symbolic_operand_1, split_small_symbolic_operand,
11103         split_small_symbolic_operand_1): Rename from *symbolic_mem_op*.
11104         Handle small SYMBOL_REFs anywhere, not just inside memories.
11105         * config/alpha/alpha-protos.h: Update.
11106         * config/alpha/alpha.h (PREDICATE_CODES): Update.
11107         * config/alpha/alpha.md (small symbolic operand splitter): Update.
11108
11109 2002-02-17  Roland McGrath  <roland@frob.com>
11110
11111         * config.gcc (powerpc-*-gnu-gnualtivec*,
11112         powerpc-*-gnu*, powerpc64-*-gnu*): New configurations.
11113         * config/rs6000/gnu.h: New file.
11114         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS):
11115         Grok "gnu" in rs6000_abi_name.
11116         (ASM_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC,
11117         CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC, LIB_SPEC, ENDFILE_SPEC):
11118         Grok -mcall-gnu analogous to -mcall-linux et al.
11119         (LIB_GNU_SPEC, STARTFILE_GNU_SPEC, ENDFILE_GNU_SPEC,
11120         LINK_START_GNU_SPEC, LINK_OS_GNU_SPEC, CPP_OS_GNU_SPEC): New macros.
11121         (SUBTARGET_EXTRA_SPECS): Add *_os_gnu specs using them.
11122
11123 2002-02-17  Jakub Jelinek  <jakub@redhat.com>
11124
11125         PR c/3444:
11126         * c-typeck.c (build_binary_op) [BIT_XOR_EXPR]: Remove explicit
11127         shortening.
11128
11129 2002-02-17  Philipp Thomas  <pthomas@suse.de>
11130
11131         * config/cris/cris.h: Undefine STARTFILE_SPEC and
11132         ENDFILE_SPEC before (re)defining them.
11133
11134 2002-02-17  Kazu Hirata  <kazu@hxi.com>
11135
11136         * config/h8300/h8300.c: Fix formatting.
11137         * config/h8300/h8300.h: Likewise.
11138
11139 2002-02-17  Philipp Thomas  <pthomas@suse.de>
11140
11141         * doc/tm.texi: Explain why empty strings should not be
11142         marked for translation.
11143
11144 2002-02-17  Philipp Thomas  <pthomas@suse.de>
11145
11146         * final.c (output_operand_lossage): Changed to accept
11147         printf style arguments. Change calls where necessary.
11148         * output.h (output_operand_lossage): Change declaration
11149         accordingly. Update copyright.
11150         * config/arc/arc.c config/fr30/fr30.c config/m32r/m32r.c
11151         config/m88k/m88k.c : Adapt all calls to output_operand_lossage.
11152         Update copyright date where necessary.
11153
11154         * config/i386/i386.c (print_operand): Likewise. Remove use of
11155         sprintf.
11156
11157         * config/cris/cris.c (cris_operand_lossage): Likewise.
11158         Rename parameter so that exgettext recognizes it as
11159         translatable message.
11160         (LOSE_AND_RETURN): Rename parameter to msgid.
11161
11162 2002-02-17  Kazu Hirata  <kazu@hxi.com>
11163
11164         * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Replace a
11165         hard coded register number with an appropriate macro.
11166         (HARD_REGNO_MODE_OK): Likewise.
11167         (ARG_POINTER_REGNUM): Likewise.
11168         (STATIC_CHAIN_REGNUM): Likewise.
11169         (RETURN_ADDRESS_POINTER_REGNUM): Likewise.
11170         * config/h8300/h8300.md (define_constants): Define more
11171         register numbers.
11172
11173 2002-02-17  Philipp Thomas  <pthomas@suse.de>
11174
11175         * config/i386/i386.h: Don't mark empty strings for translation.
11176
11177 2002-02-16  H.J. Lu <hjl@gnu.org>
11178
11179         * config/mips/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
11180
11181 2002-02-16  Zack Weinberg  <zack@codesourcery.com>
11182
11183         * cppinit.c (merge_include_chains): Check for brack being
11184         NULL before attempting to merge it with qtail.
11185
11186 2002-02-16  Andrew Cagney  <ac131313@redhat.com>
11187
11188         * config/rs6000/netbsd.h (PREFERRED_DEBUGGING_TYPE): Set to
11189         DBX_DEBUG.
11190
11191 2002-02-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11192
11193         * pa/t-pa, pa/t-pro, som.h: Revert last patch.
11194
11195 2002-02-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11196
11197         * pa/t-pa (LIB2FUNCS_EXTRA): Don't build lib2funcs.asm.
11198         * pa/t-pro (LIB2FUNCS_EXTRA): Likewise.
11199         * som.h (DO_GLOBAL_DTORS_BODY): Delete define.
11200
11201 Sat Feb 16 13:48:50 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11202
11203         * config/alpha/alpha.md (*movsi_nt_vms_nofix): Was *movsi_nt_vms;
11204         now only if !TARGET_FIX.
11205         (*movsi_nt_vms_fix): New pattern.
11206
11207 2002-02-16  Douglas B Rupp  <rupp@gnat.com>
11208
11209         * config/alpha/alpha.c: Implement null frame procedure types on VMS.
11210         (alpha_procedure_type): Replaces alpha_is_stack_procedure.
11211         (alpha_sa_mask, alpha_sa_size): Reflect above change.
11212         (alpha_pv_save_size, alpha_expand_prologue): Likewise.
11213         (alpha_start_function, alpha_expand_epilogue): Likewise.
11214         (unicosmk_gen_dsib): Likewise.
11215
11216 Sat Feb 16 13:39:09 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11217
11218         * expr.c (store_constructor): Handle target REG case for ARRAY_TYPE.
11219
11220 2002-02-16  Ulrich Weigand  <uweigand@de.ibm.com>
11221
11222         * config/s390/s390.c (pool_stop_uid, other_chunk, far_away,
11223         check_and_change_labels, s390_final_chunkify): Delete.
11224         (s390_split_branches, s390_chunkify_pool): New functions.
11225         (s390_function_prologue): Call them.
11226
11227         * config/s390/s390.h (S390_REL_MAX): Delete.
11228         (S390_CHUNK_MAX, S390_CHUNK_OV): Adjust values.
11229
11230         * config/s390/s390.md (cjump, icjump, jump): Fix length
11231         attribute calculation.
11232
11233
11234 2002-02-15  David Edelsohn  <edelsohn@gnu.org>
11235
11236         * config/rs6000/linux64.h (STRIP_NAME_ENCODING): Delete.
11237         * config/rs6000/ppc-asm.h (JUMP_TARGET): Define for powerpc64.
11238
11239 2002-02-15  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11240
11241         * gcc.c (init_gcc_specs): Revert patch from 2002-02-15.
11242         * config/pa/pa-linux.h (LIB_SPEC): Likewise.
11243         * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Likewise.
11244
11245 2002-02-15  Richard Sandiford  <rsandifo@redhat.com>
11246
11247         * c-decl.c (grokdeclarator): Prevent a segfault on unnamed decls.
11248
11249 2002-02-15  Richard Sandiford  <rsandifo@redhat.com>
11250
11251         * reload.c (find_dummy_reload): Check that an output register
11252         is valid for its mode.
11253
11254 2002-02-14  Alexandre Oliva  <aoliva@redhat.com>
11255
11256         * combine.c (known_cond): After replacing the REG of a SUBREG, try
11257         to simplify it.
11258
11259         * function.c (assign_parms): Demote promoted argument passed by
11260         transparent reference.
11261
11262 2001-02-14      Joel Sherrill <joel@OARcorp.com>
11263
11264         * config/arm/rtems-elf.h, config/h8300/rtems.h: Removed redundant
11265         -Acpu() and -Amachine() to eliminate warnings.
11266
11267 2002-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
11268
11269         * config/s390/linux.h (ASM_OUTPUT_ALIGNED_BSS): New.
11270
11271 2002-02-14  Kazu Hirata  <kazu@hxi.com>
11272
11273         * config/h8300/h8300-protos.h: Update the prototype for
11274         const_costs.
11275         * config/h8300/h8300.c (const_costs): Treat SET as a little
11276         more expensive operation.
11277         * config/h8300/h8300.h (DEFAULT_RTX_COSTS): Update the
11278         reference to const_costs.
11279
11280 2002-02-14  Hans-Peter Nilsson  <hp@axis.com>
11281
11282         * config.gcc (c4x-*-rtems*): Fix typo in tm_file setting.
11283
11284 2002-02-14  Jakub Jelinek  <jakub@redhat.com>
11285
11286         PR c/5503:
11287         * c-decl.c (duplicate_decls): If builtin type has TYPE_ARG_TYPES NULL,
11288         use arguments from newtype.
11289
11290 2002-02-13  Eric Christopher  <echristo@redhat.com>
11291
11292         * config/mips/mips.c (override_options): Add check for march/mipsX
11293         on the same command line. Fix error message in cpu processing.
11294         Remove architecture and ISA checks.
11295
11296 2002-02-14  Aldy Hernandez  <aldyh@redhat.com>
11297
11298         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Adjust for vectors.
11299
11300         * config/rs6000/sysv4.h (ROUND_TYPE_ALIGN): Add MAX.
11301
11302 2002-02-14  Aldy Hernandez  <aldyh@redhat.com>
11303
11304         * config/rs6000/rs6000.md ("*movv4si_internal"): Add m<-r and r<-r
11305         alternatives.
11306         ("*movv8hi_internal1"): Same.
11307         ("*movv16qi_internal1"): Same.
11308         ("*movv4sf_internal1"): Same.
11309
11310         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
11311         not push_reload for altivec modes.
11312
11313 2002-02-13  Joel Sherrill  <joel@OARcorp.com>
11314
11315         * config.gcc (a29k-*-rtems), config/a29k/rtems.h: General cleanup across
11316         all RTEMS targets including removal of #includes from config/*/rtems*.h
11317         file and adding them to tm_file setting. Added xm_defines=POSIX to
11318         many targets.
11319         * config.gcc (c4x-*-rtems), config/c4x/rtems.h: Ditto.
11320         * config.gcc (h8300-*-rtems), config/h8300/rtems.h: Ditto.
11321         * config.gcc (hppa1.1-*-rtems), config/pa/rtems.h: Ditto.
11322         * config.gcc (i960-*-rtems), config/i960/rtems.h: Ditto.
11323         * config.gcc (m68k-*-rtems*), config/m68k/rtems.h,
11324         config/m68k/rtemself.h: Ditto.
11325         * config.gcc (mips*-*-rtems*), config/mips/rtems.h,
11326         config/mips/rtems64.h: Ditto.
11327         * config.gcc (powerpc-*-rtems*), config/rs6000/rtems.h: Ditto.
11328         * config.gcc (sh-*-rtems*), config/sh/rtems.h, config/sh/rtemself.h:
11329         Ditto.
11330         * config.gcc (sparc-*-rtems*), config/sparc/rtems.h,
11331         config/sparc/rtemself.h: Ditto.
11332         * config.gcc (v850-*-rtems*), config/v850/rtems.h: Ditto.
11333         * config.gcc (arm-rtems), config/arm/rtems-elf.h: Ditto plus moved
11334         arm-rtems stanza closer to other arm-elf targets and made arm-rtems
11335         more like arm-elf.
11336         * config.gcc (i[34567]86-*-rtems*), config/i386/djgpp-rtems.h,
11337         config/i386/rtems.h, config/i386/rtemself.h: Ditto plus i386-rtemself
11338         target made more similar to i386-elf.
11339         * config/i386/t-rtems-i386: Added soft float support and multilibs.
11340         * config/m68k/t-m68kbare: Add 68040 and 68060 as multilib alternatives to
11341         be similar to config/m68k/t-m68kelf.
11342         * gthr-rtems.h: Encapsulate with extern "C" for C++.
11343
11344 Wed Feb 13 23:41:15 CET 2002  Jan Hubicka  <jh@suse.cz>
11345
11346         * regmove.c (kill_value): Handle subregs.
11347
11348 Wed Feb 13 23:34:30 CET 2002  Jan Hubicka  <jh@suse.cz>
11349
11350         * i386.md (mul patterns): Allow memory operand to be first;
11351         add expanders where needed; fix constraints.
11352         (min?f_nonieee, max?f_nonieee, SSE TImode patterns):
11353         Allow memory operand to be the first.
11354
11355         * i386.c (ix86_prepare_fp_compare_args): Fix condition for swapping
11356         operands.
11357
11358 2002-02-13  Jakub Jelinek  <jakub@redhat.com>
11359
11360         PR c/5681:
11361         * expr.c (safe_from_p): Pass VOIDmode to true_dependence instead of
11362         GET_MODE (x).
11363
11364 2002-02-13  Jakub Jelinek  <jakub@redhat.com>
11365
11366         PR optimization/5547:
11367         * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify
11368         all valid IA-32 address modes involving non-scaled %ebx and
11369         GOT/GOTOFF as displacement.
11370
11371 2002-02-13  Ulrich Weigand  <uweigand@de.ibm.com>
11372
11373         * config/s390/s390.c (s390_final_chunkify): Re-run shorten_branches
11374         after emitting ltorg insns.
11375
11376         * config/s390/s390.md (*cmpdf_ccs_0, *cmpdf_ccs, *cmpsf_ccs_0,
11377         *cmpsf_ccs, truncdfsf2_ieee, *adddf3, *addsf3, *subdf3, *subsf3,
11378         *muldf3, *mulsf3, *divdf3, *divsf3, *negdf2, *negsf2, *absdf2,
11379         *abssf2): Fix "op_type" attribute.
11380
11381 2002-02-13  Douglas B Rupp  <rupp@gnat.com>
11382
11383         * mkconfig.sh: Avoid using a subshell redirect.
11384         ($output.T): Change to $(output)T.
11385         (ENABLE_NLS): Remove unneeded undef.
11386
11387         * config/alpha/vms.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
11388         * config/alpha/x-vms (libsubdir): Define.
11389
11390         * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Handle
11391         register frame procedures. Optimize retrieving context.
11392
11393         * config/alpha/t-vms (MULTILIB_OPTIONS): Define.
11394         (MULTILIB_DIRNAME, LIBGCC, INSTALL_LIBGCC): Likewise.
11395         * config/alpha/vms.h (ASM_FILE_START): Write .arch directive.
11396
11397 Wed Feb 13 09:45:08 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11398
11399         * alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND):
11400         Make same change as for find_base_value.
11401
11402 2002-02-13  Kazu Hirata  <kazu@hxi.com>
11403
11404         * config/h8300/h8300.h (MODES_TIEABLE_P): Accept a combination
11405         of QImode and SImode.
11406
11407 2002-02-13  Kazu Hirata  <kazu@hxi.com>
11408
11409         * config/h8300/h8300.c (h8300_adjust_insn_length): Correct the
11410         length computation of movsi.
11411         * config/h8300/h8300.md (movsi_h8300hs): Correct the length.
11412
11413 2002-02-13  Kazu Hirata  <kazu@hxi.com>
11414
11415         * config/h8300/h8300.md (subqi3): Tighten the predicate for
11416         operands[2] to register_operand.
11417
11418 Wed Feb 13 10:35:56 CET 2002  Jan Hubicka  <jh@suse.cz>
11419
11420         * i386.md (fop_*_comm_*): allow nonimmediate in the first operand.
11421
11422 2002-02-12  Aldy Hernandez  <aldyh@redhat.com>
11423
11424         * config/rs6000/rs6000.md: Use predicate altivec_register_operand
11425         for altivec_lvx* and altivec_stvx*.
11426         ("*movv4si_internal"): Add constraint for loading from GPRs.
11427         ("*movv8hi_internal1"): Same.
11428         ("*movv16qi_internal1"): Same.
11429         ("*movv4sf_internal1"): Same.
11430
11431         * config/rs6000/rs6000.c (altivec_register_operand): New.
11432
11433         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
11434         altivec_register_operand.
11435
11436 2002-02-13  Hans-Peter Nilsson  <hp@bitrange.com>
11437
11438         * config/mmix/mmix.c (mmix_assemble_integer) <case 4>: Don't
11439         handle SYMBOL_REF.
11440
11441 2002-02-13  Stan Shebs  <shebs@apple.com>
11442
11443         * c-typeck.c (digest_init): Handle vectors.
11444         (really_start_incremental_init): Same.
11445         (pop_init_level): Same.
11446         (process_init_element): Same.
11447
11448         * varasm.c (output_constant): Same.
11449
11450         * expr.c (clear_storage): Same.
11451         (store_constructor): Same.
11452
11453 2002-02-12  Eric Christopher  <echristo@redhat.com>
11454
11455         * explow.c (hard_function_value): Add comment explaining
11456         signed/unsigned comparison.
11457
11458 2002-02-12  Jakub Jelinek  <jakub@redhat.com>
11459
11460         * jump.c (never_reached_warning): Add finish argument.
11461         If finish is NULL, stop on CODE_LABEL, otherwise stop before first
11462         real insn after end.
11463         * rtl.h (never_reached_warning): Adjust prototype.
11464         * cse.c (cse_insn): Pass NULL as finish to never_reached_warning.
11465         * cfgrtl.c (flow_delete_block): Pass b->end as finish to
11466         never_reached_warning.
11467
11468 2002-02-12  Graham Stott  <grahams@redhat.com>
11469
11470         * config/hp/pa.h (GO_IF_LEGITIMATE_ADDRESS): Fix typos.
11471
11472 2002-02-12  Kazu Hirata  <kazu@hxi.com>
11473
11474         * config/h8300/h8300.c (shift_alg_hi): Improve the 15-bit
11475         logical shifts on H8/300.
11476         (shift_alg_si): Improve several shifts on H8/300.
11477         (get_shift_alg): Likewise.
11478
11479 2002-02-12  Graham Stott  <grahams@redhat.com>
11480
11481         * config/pa/pa.c (compute_movstrsi_length): Fix typos.
11482
11483 Tue Feb 12 10:12:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11484
11485         * alias.c (find_base_value, case ZERO_EXTEND, case SIGN_EXTEND):
11486         Handle #ifdef POINTERS_EXTEND_UNSIGNED.
11487
11488 2002-02-11  Hans-Peter Nilsson  <hp@bitrange.com>
11489
11490         * config/mmix/mmix.c (mmix_assemble_integer) <case 1, 2>: Handle
11491         non-CONST_INT through default_assemble_integer.
11492         <case 4>: Likewise, for non-CONST_INT, non-SYMBOL_REF.
11493         <case 8>: Abort for CONST_DOUBLE.
11494
11495 2002-02-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11496
11497         * gcc.c (init_gcc_specs): Add static libgcc to link when "-shared"
11498         is specified.
11499         * config/pa/pa-linux.h (LIB_SPEC): Delete.
11500         * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Delete.
11501
11502 2002-02-11  Andrew Haley  <aph@cambridge.redhat.com>
11503
11504         * config/stormy16/stormy16.md (zero_extendqihi2): New.
11505
11506 2002-02-11  Alexandre Oliva  <aoliva@redhat.com>
11507
11508         * regrename.c (regrename_optimize): Don't accept a
11509         part-clobbered register if the replaced register is not part
11510         clobbered.
11511
11512         * calls.c (store_one_arg): In the non-BLKmode non-partial case,
11513         take padding into account when computing the argument value.
11514
11515         * config/sh/sh.h (FUNCTION_ARG_REGNO_P): Fix parenthesizing error.
11516
11517         * combine.c (try_combine): Apply substitutions in
11518         CALL_INSN_FUNCTION_USAGE too.
11519
11520 2002-02-11  Aldy Hernandez  <aldyh@redhat.com>
11521
11522         * config/rs6000/rs6000.c (altivec_init_builtins): Handle
11523         __builtin_altivec_abs*.
11524         (bdesc_abs): New.
11525
11526         * config/rs6000/rs6000.h (rs6000_builtins): Add
11527         ALTIVEC_BUILTIN_ABS*.
11528
11529         * config/rs6000/altivec.h: Use const char for builtins expecting
11530         literals.
11531         (vec_abs): New versions for C and C++.
11532         (vec_abss): Same.
11533
11534 2002-02-10  Kazu Hirata  <kazu@hxi.com>
11535
11536         * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Simplify by
11537         using Pmode.
11538
11539 2002-02-10  Kazu Hirata  <kazu@hxi.com>
11540
11541         * config/h8300/h8300.h (STACK_POINTER_REGNUM): Use the
11542         constant definition from h8300.md.
11543         (FRAME_POINTER_REGNUM): Likewise.
11544         * config/h8300/h8300.md (define_constants): Add FP_REG.
11545
11546 2002-02-10  Kazu Hirata  <kazu@hxi.com>
11547
11548         * config/h8300/h8300.c (print_operand): Remove redundant code.
11549
11550 2002-02-10  Kazu Hirata  <kazu@hxi.com>
11551
11552         * config/h8300/h8300-protos.h: Remove the prototype for byte_reg.
11553         * config/h8300/h8300.c (byte_reg): Make it static.
11554
11555 2002-02-10  Richard Henderson  <rth@redhat.com>
11556
11557         PR c/5623
11558         * c-typeck.c (incomplete_type_error): Handle flexible array members.
11559
11560 2002-02-10  Richard Henderson  <rth@redhat.com>
11561
11562         PR c++/5624
11563         * tree.c (append_random_chars): Don't abort if main_input_filename
11564         does not exist.
11565
11566 2002-02-10  Hans-Peter Nilsson  <hp@bitrange.com>
11567
11568         * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): Disable.
11569
11570 2002-02-10  Kazu Hirata  <kazu@hxi.com>
11571
11572         * config/h8300/h8300.md (pushhi1_h8300): Correct the mode used.
11573         (pushhi1): Likewise.
11574
11575 2002-02-10  John David Anglin  <dave@hiauly1.hia.nrc.ca>
11576
11577         * pa.c (reg_before_reload_operand): Don't accept a SUBREG operand.
11578         * pa.h (PREDICATE_CODES): Adjust codes for reg_before_reload_operand.
11579
11580 2002-02-09  David O'Brien  <obrien@FreeBSD.org>
11581
11582         * config/sparc/freebsd.h(TARGET_DEFAULT): Add MASK_EPILOGUE setting and
11583         remove MASK_VIS.
11584         (ASM_CPU_DEFAULT_SPEC): Remove.  Default setting is fine.
11585
11586 2002-02-09  Kazu Hirata  <kazu@hxi.com>
11587
11588         * config/h8300/h8300.c (output_logical_op): Use sub.w to clear
11589         a half of an SImode register on H8/300.
11590
11591 Sat Feb  9 18:28:02 CET 2002  Jan Hubicka  <jh@suse.cz>
11592
11593         * i386.md (movdi_2): Add missing '!'.
11594
11595 2002-02-09  Kazu Hirata  <kazu@hxi.com>
11596
11597         * config/h8300/h8300.h: Fix formatting.  Remove commented-out
11598         definitions.
11599
11600 2002-02-09  Kazu Hirata  <kazu@hxi.com>
11601
11602         * config/h8300/h8300.md (length): Correct the distance valid
11603         for the short branch.
11604
11605 2002-02-09  Kazu Hirata  <kazu@hxi.com>
11606
11607         * config/h8300/h8300.md (iorhi3): Tighten the predicates.
11608
11609 2002-02-09  Alexandre Oliva  <aoliva@redhat.com>
11610
11611         * config/sh/sh.h (REGISTER_NATURAL_MODE): Save part-clobbered
11612         registers in SImode.
11613         (HARD_REGNO_CALL_PART_CLOBBERED) [TARGET_SHMEDIA32]: Set r18 as
11614         part-clobbered.
11615
11616         * config/sh/sh.c (expand_prologue): Fix mis-applied 2001-11-09's
11617         patch.
11618
11619         Contribute sh64-elf.
11620         2002-02-09  Alexandre Oliva  <aoliva@redhat.com>
11621         * config/sh/sh.c (TARGET_CANNOT_MODIFY_JUMPS_P): Define to...
11622         (sh_cannot_modify_jumps_p): New function.
11623         2002-02-05  Alexandre Oliva  <aoliva@redhat.com>
11624         * config/sh/sh.c (TARGET_MS_BITFIELD_LAYOUT_P): Define to...
11625         (sh_ms_bitfield_layout_p): New function.
11626         2002-02-04  Alexandre Oliva  <aoliva@redhat.com>
11627                     Zack Weinberg  <zack@codesourcery.com>
11628         * config/sh/sh.h (TRAMPOLINE_ADJUST_ADDRESS): Use
11629         expand_simple_binop instead of expand_binop.
11630         2002-02-03  Alexandre Oliva  <aoliva@redhat.com>
11631         * config/sh/sh.h (OVERRIDE_OPTIONS) [! TARGET_SH5]: Disable
11632         use of .quad and .uaquad.
11633         * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP,
11634         TARGET_ASM_ALIGNED_DI_OP): Add comment pointing to the above.
11635         2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
11636         * config/sh/sh.md (movdi_const, movdi_const_32bit,
11637         movdi_const_16bit): Make sure all CONSTs have modes.
11638         (sym2PIC): Ditto, but by adjusting all callers.
11639         * config/sh/sh.c (calc_live_regs) [TARGET_SHCOMPACT]: Set pr_live
11640         if the prologue calls the SHmedia argument decoder or register
11641         saver.
11642         2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
11643         * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP): Define.
11644         (TARGET_ASM_ALIGNED_DI_OP): Likewise.
11645         (sh_expand_epilogue): Don't emit USE of return target register.
11646         (prepare_move_operands): Legitimize DImode PIC addresses.
11647         (sh_media_register_for_return): Skip tr0, used to initialize the
11648         PIC register.
11649         (sh_expand_prologue): Remove explicit USE of return register.
11650         (nonpic_symbol_mentioned_p): PC is non-PIC.  Don't recurse in
11651         CONST_DOUBLEs.  UNSPEC_GOTPLT is PIC.
11652         * config/sh/sh.h (ASM_OUTPUT_DOUBLE_INT): Removed, obsolete.
11653         (OVERRIDE_OPTIONS): Don't disable PIC on SH5.
11654         (EXTRA_CONSTRAINT_S): Use MOVI_SHORI_BASE_OPERAND_P instead of
11655         EXTRA_CONSTRAINT_T.
11656         (GOT_ENTRY_P, GOTPLT_ENTRY_P, GOTOFF_P, PIC_ADDR_P): New.
11657         (MOVI_SHORI_BASE_OPERAND_P): New.
11658         (NON_PIC_REFERENCE_P, PIC_REFERENCE_P): New.
11659         (EXTRA_CONSTRAINT_T): Define in terms of them.
11660         (OUTPUT_ADDR_CONST_EXTRA): Handle UNSPEC_GOTPLT.
11661         * config/sh/sh.md (movsi_media, movsi_media_nofpu,
11662         movdi_media, movdi_media_nofpu): Add SIBCALL_REGS class to
11663         alternatives supporting TARGET_REGS.
11664         (UNSPEC_GOTPLT): New constant.
11665         (movdi split): Move incrementing of LABEL_NUSES...
11666         (movdi_const, movdi_const_32bit): Here.  Use
11667         MOVI_SHORI_BASE_OPERAND_P instead of EXTRA_CONSTRAINT_T.
11668         (movdi_const_16bit): New.
11669         (call, call_value) [flag_pic]: Use GOTPLT.
11670         (call_pop, call_value_pop): New expands.
11671         (call_pop_compact, call_pop_rettramp): New insns.
11672         (call_value_pop_compact, call_value_pop_rettramp): New insns.
11673         (sibcall) [flag_pic]: Use GOT.
11674         (builtint_setjmp_receiver): Remove bogus, unused expand.
11675         (GOTaddr2picreg): Implement for SHcompact and SHmedia.
11676         (*pt, *ptb, ptrel): New insns.
11677         (sym2GOT): Handle DImode GOT.
11678         (sym2GOTPLT, symGOTPLT2reg): New expands.
11679         (sym2PIC): New expand.
11680         (shcompact_return_tramp): Use GOTPLT to return trampoline.
11681         (shcompact_return_tramp_i): Use return register explicitly.
11682         * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SHMEDIA]: Don't
11683         disable flag_reorder_blocks.
11684         2002-01-19  Alexandre Oliva  <aoliva@redhat.com>
11685         * config/sh/sh.md (sibcall_compact): Reorder return, uses and
11686         clobbers, for clarity.
11687         (sibcall_epilogue) [TARGET_SHCOMPACT]: Mark saving and
11688         restoring of r0 in macl as MAYBE_DEAD.
11689         2002-01-18  Alexandre Oliva  <aoliva@redhat.com>
11690         * config/sh/sh.h (LONG_DOUBLE_TYPE_SIZE): Define.
11691         * config/sh/sh.md (movv4sf_i, movv16sf_i): Fix uses of
11692         alter_subreg all over.
11693         (jump) [TARGET_SHMEDIA]: FAIL to create new jumps after
11694         reload, instead of emitting instructions that would require
11695         reloading.
11696         (casesi_load_media): Add missing modes.
11697         2001-11-09  Alexandre Oliva  <aoliva@redhat.com>
11698         * config/sh/sh.c (sh_expand_prologue): Mark the PIC register
11699         as used if the argument decoder is called.
11700         2001-08-28  Alexandre Oliva  <aoliva@redhat.com>
11701         * config/sh/sh.md (udivsi3, divsi3): Load libcall symbol name in
11702         Pmode, then extend it to DImode if necessary.
11703         2001-08-28  Stephen Clarke  <Stephen.Clarke@st.com>
11704         * config/sh/sh.h (LEGITIMATE_CONSTANT_P): Don't accept DFmode
11705         constants in FPU-enabled SHmedia, let them be loaded from memory.
11706         2001-08-28  Alexandre Oliva  <aoliva@redhat.com>
11707         * config/sh/sh.md (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media):
11708         Adjust whitespace in assembly output templates.
11709         2001-08-28  Stephen Clarke  <Stephen.Clarke@st.com>
11710         * config/sh/sh.md (movdicc_false, movdicc_true, movdicc): Adjust
11711         mode of if_then_else.
11712         2001-08-04  Alexandre Oliva  <aoliva@redhat.com>
11713         * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Override definition in
11714         sh.h.
11715         2001-07-26  Andrew Haley  <aph@cambridge.redhat.com>
11716                     Joern Rennecke <amylaar@redhat.com>
11717         * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): New.
11718         (SUBTARGET_CPP_PTR_SPEC): New.
11719         (SUBTARGET_CPP_SPEC): Remove.
11720         2001-07-06  Chandrakala Chavva  <cchavva@redhat.com>
11721         * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
11722         Fix typo in previous checkin.
11723         2001-07-11  Chandrakala Chavva  <cchavva@redhat.com>
11724         * config/sh/sh.h (MODES_TIEABLE_P): Fix redact indentations.
11725         2001-07-10  Chandrakala Chavva  <cchavva@cygnus.com>
11726                     Alexandre Oliva  <aoliva@redhat.com>
11727         * config/sh/sh.h (MODES_TIEABLE_P): Don't tie modes wider than
11728         what single FP register can hold for SHmedia target.
11729         2001-07-06  Chandrakala Chavva  <cchavva@redhat.com>
11730                     Alexandre Oliva  <aoliva@redhat.com>
11731         * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
11732         Do not split into SUBREG.
11733         2001-06-14  Alexandre Oliva  <aoliva@redhat.com>
11734         * config/sh/ushmedia.h, config/sh/sshmedia.h: Updated signatures
11735         and added new functions as specified in SH5 ABI r9.
11736         2001-06-04  Alexandre Oliva  <aoliva@redhat.com>
11737         * config/sh/lib1funcs.asm (GCC_nested_trampoline): Align to an
11738         8-byte boundary.
11739         2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
11740         * config/sh/sh.c (dump_table): Add const0_rtx in calls of
11741         gen_consttable_4 and gen_consttable_8.  Emit multiple labels
11742         and consttable_window_ends.
11743         2001-06-03  Graham Stott  <grahams@redhat,com>
11744         * config/sh/sh.md (movdi split): Remove unused variable last_insn.
11745         2001-05-16  Alexandre Oliva  <aoliva@redhat.com>
11746         * config/sh/sh.c (print_operand): Handle floating-point pair,
11747         vector and matrix registers.
11748         * config/sh/sh.h (REGISTER_MOVE_COST): Take floating-pointer
11749         vector modes into account.
11750         * config/sh/sh.md (movv2sf): Split move between registers into
11751         movdf.
11752         (movv4sf, movv16sf): Introduce insns that get split only after
11753         reload.
11754         * config/sh/shmedia.h: Fix Copyright dates.
11755         * config/sh/ushmedia.h: Likewise.  Move loop counter
11756         declarations into conditionals that uses them.
11757         (sh_media_FVADD_S, sh_media_FVSUB_S): Fix off-by-one error in
11758         loop boundary.
11759         * config/sh/sshmedia.h: Fix Copyright dates.
11760         (sh_media_PUTCFG): Fix constraints.
11761         2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
11762         * config/sh/sh.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define to
11763         ptrmemfunc_vbit_in_delta for SH5.
11764         2001-05-08  Alexandre Oliva  <aoliva@redhat.com>
11765         * config/sh/sh.h (TARGET_SWITCHES): Document -m5-*.
11766         * invoke.texi: Likewise.
11767         2001-04-14  Alexandre Oliva  <aoliva@redhat.com>
11768         * config/sh/lib1funcs.asm (GCC_push_shmedia_regs,
11769         GCC_push_shmedia_regs_nofpu, GCC_pop_shmedia_regs,
11770         GCC_pop_shmedia_regs_nofpu): New global symbols.
11771         * config/sh/t-sh64 (LIB1ASMFUNCS): Add them.
11772         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): New macro.
11773         * config/sh/sh.c (calc_live_regs): Account for PR's saving in
11774         compact function with nonlocal labels.
11775         (sh_expand_prologue) [SHcompact]: Push SHmedia regs if needed.
11776         (sh_expand_epilogue) [SHcompact]: Pop them when appropriate.
11777         (initial_elimination_offset): Account for their stack space.
11778         * config/sh/sh.md (shmedia_save_restore_regs_compact): New insn.
11779         * config/sh/sh.md (movsi_media, movsi_media_nofpu, movqi_media,
11780         movhi_media, movdi_media, movdi_media_nofpu, movdf_media,
11781         movdf_media_nofpu, movsf_media, movsf_media_nofpu): Require at
11782         least one of the operands to be a register.
11783         (movv2sf): Likewise.  Renamed to movv2sf_i.
11784         (movdi, movdf, movv2sf, movv4sf, movv16sf, movsf):
11785         prepare_move_operands() before emitting SHmedia insns.
11786         2001-04-03  Alexandre Oliva  <aoliva@redhat.com>
11787         * config/sh/crti.asm (init, fini) [__SH5__ && ! __SHMEDIA__]:
11788         Don't save nor initialize r12.  Don't mis-align the stack.
11789         Pad the code with a nop.
11790         * config/sh/crti.asm: Don't restore r12.  Don't mis-align the
11791         stack.
11792         2001-03-13  Alexandre Oliva  <aoliva@redhat.com>
11793         * gcc/longlong.h (__umulsidi3, count_leading_zeros)
11794         [__SHMEDIA__]: Implement.
11795         2001-03-11  Alexandre Oliva  <aoliva@redhat.com>
11796         * config/sh/sh.md: Set latency of `pt' closer to reality.
11797         (movsi_media, movsi_media_nofpu, movdi_media, movdi_media_nofpu,
11798         movdf_media, movdf_media_nofpu, movsf_media, movsf_media_nofpu):
11799         Set move, load and store type attributes.
11800         * config/sh/sh.c (sh_loop_align) [TARGET_SH5]: Set to 3.
11801         * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SH5]: Disable
11802         profiling.
11803         * config/sh/sh.h (PROMOTE_MODE): Sign-extend SImode to DImode.
11804         * config/sh/sh-protos.h (sh_media_register_for_return): Declare.
11805         * config/sh/sh.c (sh_media_register_for_return): New function.
11806         (sh_expand_prologue) [TARGET_SHMEDIA]: Copy r18 to an available
11807         branch-target register.
11808         (sh_expand_epilogue) [TARGET_SHMEDIA]: Explicitly USE it.
11809         * config/sh/sh.md (return_media_i): Use any call-clobbered
11810         branch-target register.
11811         (return_media): If r18 wasn't copied in the prologue, copy it
11812         here.
11813         * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE) [TARGET_SHMEDIA]:
11814         Clear class FP0_REGS.
11815         * config/sh/sh64.h (LINK_SPEC): Removed incorrect default copied
11816         from elf.h.
11817         2001-03-08  DJ Delorie  <dj@redhat.com>
11818         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable relaxing for SHMEDIA.
11819         2001-02-09  Alexandre Oliva  <aoliva@redhat.com>
11820         * config/sh/sh.md (sibcall_compact): Set fp_mode to single.
11821         2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
11822         * config/sh/sh.h (INT_ASM_OP) [SHMEDIA64]: Use `.quad'.
11823         2001-02-03  Alexandre Oliva  <aoliva@redhat.com>
11824         * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Compute size of BLKmode
11825         return value correctly for call_cookie.
11826         2001-02-01  Alexandre Oliva  <aoliva@redhat.com>
11827         * config/sh/crt1.asm (start): Modified so as to call
11828         ___setup_argv_and_call_main.
11829         2001-01-26  Alexandre Oliva  <aoliva@redhat.com>
11830         * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't count stack_regs in
11831         SHmedia mode.
11832         2001-01-20  Alexandre Oliva  <aoliva@redhat.com>
11833         * config/sh/sh.h (STRIP_DATALABEL_ENCODING): New macro.
11834         (STRIP_NAME_ENCODING): Use it.
11835         (ASM_OUTPUT_LABELREF): Likewise.  Don't call assemble_name().
11836         2001-01-19  Alexandre Oliva  <aoliva@redhat.com>
11837         * config/sh/sh.md (sgeu) [! SHMEDIA]: Fix invocation of
11838         prepare_scc_operands().
11839         * config/sh/sh.h (SH_DATALABEL_ENCODING): Change to "#"...
11840         (DATALABEL_SYMNAME_P): ... so that we don't need memcmp here.
11841         2001-01-17  Alexandre Oliva  <aoliva@redhat.com>
11842         * config/sh/sh.h (STRIP_NAME_ENCODING): Strip leading `*'.
11843         2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
11844         * config/sh/sh.md (shcompact_incoming_args): Use R0_REG.
11845         * config/sh/sh.md (R7_REG, R8_REG, R9_REG): Define as constants,
11846         used in shcompact_incoming_args.
11847         * config/sh/sh.c (sh_expand_epilogue): Fix thinko in previous
11848         change.
11849         * config/sh/crt1.asm (start) [SH5]: Switch to single-precision
11850         mode.
11851         * config/sh/lib1funcs.asm (sdivsi3_i4, udivsi3_i4, set_fpscr):
11852         Adjust accordingly.
11853         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
11854         Simplify.  Adjust.  Add sanity check.
11855         * config/sh/sh.h (TARGET_SWITCHES) [5-compact]: Set
11856         FPU_SINGLE_BIT.
11857         * config/sh/sh.md (udivsi3_i4_single, divsi3_i4_single): Match
11858         TARGET_SHCOMPACT.
11859         (udivsi3, divsi3): Use them.
11860         (force_mode_for_call): New insn.
11861         (call, call_value, sibcall_value): Emit it before SHcompact
11862         calls.
11863         2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
11864         * config/sh/sh.md (call, call_value, sibcall): Make sure the
11865         call cookie is non-NULL before taking its value.
11866         2001-01-10  Alexandre Oliva  <aoliva@redhat.com>
11867         * config.gcc (sh64): Set target_requires_64bit_host_wide_int.
11868         2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
11869         * config/sh/sh.md (shcompact_incoming_args): Set argument memory
11870         block.
11871         * config/sh/sh.h (STATIC_CHAIN_REGNUM) [SH5]: Use r1.
11872         * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r0 as
11873         temporary for stack adjusts.  Use MACL and MACH to pass
11874         arguments to shcompact_incoming_args.
11875         * config/sh/sh.md (shcompact_incoming_args): Adjust.  Don't
11876         clobber r1.
11877         * config/sh/lib1funcs.asm (shcompact_incoming_args): Likewise.
11878         (nested_trampoline): Load static chain address into r1.
11879         * config/sh/sh.md (movdi_media splits): Fix sign-extension.
11880         2001-01-07  Alexandre Oliva  <aoliva@redhat.com
11881         * config/sh/sh.c (fpul_operand) [SHMEDIA]: Just call
11882         fp_arith_reg_operand().
11883         2001-01-06  Alexandre Oliva  <aoliva@redhat.com>
11884         * config/sh/sh.md (casesi): Sign-extend the first two operands,
11885         and use signed compares for them.
11886         * config/sh/sh.c (dump_table): Don't emit 8-byte constants after
11887         4-byte ones.  Instead, inter-leave them, maintaining the 8-byte
11888         ones properly aligned.
11889         (find_barrier): Account for extra alignment needed for 8-byte wide
11890         constants.
11891         (machine_dependent_reorg): Require a label for the second 4-byte
11892         constant after an 8-byte one.
11893         * config/sh/lib1funcs.asm (sdivsi3): Fix typo in yesterday's
11894         change.
11895         2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
11896         * config/sh/sh.c (machine_dependent_reorg) [SHCOMPACT]: Reset
11897         last_float when switching float modes.
11898         * config/sh/sh.md (movdf) [SH5]: Don't use stack-pointer
11899         auto-increment for general-purpose registers.
11900         * config/sh/lib1funcs.asm (sdivsi3) [SHMEDIA]: Sign-extend the
11901         result.
11902         * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r1 as temporary
11903         for stack adjust.
11904         * config/sh/sh.c (sh_builtin_saveregs): Support using all
11905         registers for varargs.
11906         2001-01-01  Alexandre Oliva  <aoliva@redhat.com>
11907         * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Simplify.
11908         * config/sh/sh.h (CALL_COOKIE_STACKSEQ,
11909         CALL_COOKIE_STACKSEQ_SHIFT, CALL_COOKIE_STACKSEQ_GET): New macros.
11910         (CALL_COOKIE_INT_REG_SHIFT): Adjust.
11911         (FUNCTION_ARG_ADVANCE): Use SHCOMPACT_FORCE_ON_STACK.  Adjust
11912         call_cookie accordingly.
11913         (FUNCTION_ARG): Test SHCOMPACT_FORCE_ON_STACK.
11914         (SHCOMPACT_BYREF): Likewise.
11915         (SHCOMPACT_FORCE_ON_STACK): New macro.
11916         * config/sh/sh.c (sh_expand_prologue): Use new call_cookie format.
11917         (sh_builtin_saveregs): Likewise.
11918         * config/sh/lib1funcs.asm (shcompact_call_trampoline,
11919         shcompact_incoming_args): Use new shift values.  Support
11920         sequences of consecutive and non-consecutive pushes/pops.
11921         * config/sh/sh.md (return): Don't explicitly use PR_REG.
11922         2001-01-05  Hans-Peter Nilsson  <hpn@cygnus.com>
11923         * config/sh/sh.h (TEXT_SECTION): Define.
11924         * config/sh/elf.h (ASM_FILE_START): Output TEXT_SECTION_ASM_OP.
11925         2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
11926         * config/sh/sh.h (INIT_CUMULATIVE_LIBCALL_ARGS): New macro.
11927         * config/sh/sh.h (BASE_RETURN_VALUE_REG): Use FP regs for
11928         return values on FPU-enabled SHmedia.
11929         (FUNCTION_VALUE_REGNO_P): Mark FIRST_FP_RET_REG as used on
11930         FPU-enabled SHmedia.
11931         (INIT_CUMULATIVE_ARGS): Set up return trampoline only if
11932         value is returned in a non-FP reg and is not returned by
11933         reference.
11934         * config/sh/sh.md (shcompact_return_tramp_i): Change type to
11935         jump_ind.
11936         2000-01-04  Alexandre Oliva  <aoliva@redhat.com>
11937         * config/sh/sh.h (SH_MIN_ALIGN_FOR_CALLEE_COPY): New.
11938         (FUNCTION_ARG_CALLEE_COPIES): Require argument to be
11939         quad-aligned to be passed by callee-copy reference.
11940         2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
11941         * config/sh/elf.h (MAX_WCHAR_TYPE_SIZE): Define.
11942         * config/sh/sh64.h (MAX_WCHAR_TYPE_SIZE): Undefine.
11943         2001-01-02  Alexandre Oliva  <aoliva@redhat.com>
11944         * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix error in
11945         copying low-numbered FP regs to r7 and r8.
11946         * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't request copying of
11947         FP regs to general-purpose regs only if the copy was passed on the
11948         stack.
11949         * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix typo in
11950         copying FP reg to r9.
11951         * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Use trampoline to
11952         copy FP regs to general-purpose regs only in outgoing calls.
11953         * config/sh/sh.md (movdf_media, movsf_media): Revert incorrect
11954         change from     2000-10-30.  Adjust for 64-bit (or 32-bit)
11955         HOST_WIDE_INT.
11956         * config/sh/sh.h (struct sh_args): Document all fields.
11957         (FUNCTION_OK_FOR_SIBCALL): Functions that receive arguments
11958         passed partially on the stack should not consider making
11959         sibcalls.
11960         * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Add byref regs to
11961         stack_regs only for incoming calls.  When passing FP args,
11962         make sure there are FP regs available before modifying
11963         call_cookie.
11964         (SHCOMPACT_BYREF): Pass double args in general-purpose
11965         registers by reference.
11966         2000-12-30  Alexandre Oliva  <aoliva@redhat.com>
11967         * config/sh/sh.h (FUNCTION_OK_FOR_SIBCALL) [SHCOMPACT]: Don't
11968         attempt to generate sibcalls if the caller got any arguments
11969         by reference.
11970         * config/sh/lib1funcs.asm (set_fpscr) [SH5]: Default to double.
11971         * config/sh/sh.c (dump_table) [SHCOMPACT]: Align DImode and DFmode
11972         to 8-byte boundaries.
11973         * config/sh/sh.md (shcompact_preserve_incoming_args): New insn.
11974         * config/sh/sh.h (CALL_COOKIE_INT_REG_GET): New macro.
11975         * config/sh/sh.c (sh_expand_prologue): Preserve args that will be
11976         stored in the stack.
11977         * config/sh/lib1funcs.asm (ct_main_table, ia_main_table): Arrange
11978         for the offsets to have the ISA bit set.
11979         (shcompact_call_trampoline): Document.  Swap r0 and r1, to match
11980         invocation.  Use beq instead of bgt to mark end of sequence of
11981         loads.
11982         (shcompact_incoming_args): Fix store of r2.  Use beq instead of
11983         bgt to mark end of sequence of stores.
11984         * config/sh/sh.c (arith_operand): Don't check whether
11985         CONST_OK_FOR_J for now.
11986         * config/sh/sh.md (movdf_media, movsf_media): Use HOST_WIDE_INT
11987         instead of long for conversion.
11988         2000-12-29  Alexandre Oliva  <aoliva@redhat.com>
11989         * config/sh/sh.c (print_operand_address): Convert INTVAL to int
11990         before passing it to fprintf.
11991         2000-12-28  Alexandre Oliva  <aoliva@redhat.com>
11992         * config/sh/crt1.asm (start): Reset SR.FD, to enable the FP unit.
11993         Call set_fpscr before reading/writing SR.
11994         * config/sh/crt1.asm (start): Set SR.SZ and SR.PR, but not SR.FR.
11995         Call set_fpscr.
11996         * config/sh/lib1funcs.asm: Add `.align 2' directives before
11997         SHmedia code.
11998         (FMOVD_WORKS): Define on SH5 with FPU.
11999         (set_fpscr): Define on SH5.  Remove separate _fpscr_values
12000         setting.
12001         * config/sh/t-sh64 (LIB1ASMFUNCS): Add _set_fpscr instead of
12002         _fpscr_values.
12003         2000-12-28  Hans-Peter Nilsson  <hpn@cygnus.com>
12004         * config/sh/lib1funcs.asm (ct_main_table): Align contents to even
12005         address.
12006         (ia_main_table): Ditto.
12007         2000-12-27  Alexandre Oliva  <aoliva@redhat.com>
12008         * config/sh/sh.h (MAX_WCHAR_TYPE_SIZE): Don't define.
12009         * config/sh/sh64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Reinstate
12010         the definitions from sh.h.
12011         * config/sh/sh.h (PTRDIFF_TYPE): Define as conditional on
12012         TARGET_SH5.
12013         (SUBTARGET_CPP_SPEC): Arrange for __PTRDIFF_TYPE__ to be defined.
12014         * config/sh/elf.h (PTRDIFF_TYPE): Likewise.
12015         * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
12016         2000-12-26  Alexandre Oliva  <aoliva@redhat.com>
12017         * config/sh/sh.md (movdi_media split): Don't add REG_LABEL notes.
12018         Increment LABEL_NUSES.
12019
12020         * config/sh/sh.h (SIZE_TYPE): Define as conditional on
12021         TARGET_SH5.
12022         (SUBTARGET_CPP_SPEC): Arrange for __SIZE_TYPE__ to be always
12023         defined.
12024         * config/sh/elf.h (SIZE_TYPE): Likewise.
12025         * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
12026         * config/sh/lib1funcs.asm (shcompact_call_trampoline,
12027         shcompact_incoming_args): Load switch table addresses using
12028         datalabel.
12029         * config/sh/sh.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
12030         (NO_BUILTIN_SIZE_TYPE): Define.
12031         (SIZE_TYPE): Don't define.
12032         * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
12033         * config/sh/sh.h (CPP_SPEC): Fixed typo that prevented the
12034         definition of __SH5__=32 for -m5-compact-nofpu.
12035         * config/sh/sh.c (barrier_align): Ensure 32-bit alignment after
12036         ADDR_DIFF_VEC.
12037         2000-12-24  Alexandre Oliva  <aoliva@redhat.com>
12038         * config/sh/sh.h (FUNCTION_ARG_PADDING): Removed.
12039         2000-12-23  Alexandre Oliva  <aoliva@redhat.com>
12040         * config/sh/sh.h (TARGET_CACHE32): Enable on SH5.
12041         (FUNCTION_BOUNDARY): Ensure 32-bit alignment for SHmedia.
12042         (INSN_LENGTH_ALIGNMENT): Likewise.
12043         2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
12044         * config/sh/sh.md (call, call_value, sibcall): Simplify
12045         copying of non-branch-target register.
12046         2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
12047         * glimits.h (__LONG_MAX__): Revert      2000-12-13's patch.
12048         * config/sh/sh.h (CPP_SPEC): Define it here for 64-bit SHmedia.
12049         2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
12050         * config/sh/sh.h (GET_SH_ARG_CLASS): Handle complex
12051         floating-point values as structs.
12052         (FUNCTION_ARG): Use SH5_PROTOTYPED_FLOAT_ARG.
12053         (SH5_PROTOTYPELESS_FLOAT_ARG): List FP registers before
12054         general-purpose register.
12055         (SH5_PROTOTYPED_FLOAT_ARG): New macro.
12056         2000-12-20  Alexandre Oliva  <aoliva@redhat.com>
12057         * config/sh/sh.md (addsi3): Force operand1 to reg for SHmedia.
12058         * config/sh/sh.md (movsi_media): Split CONST_DOUBLE loads too.
12059         * config/sh/sh.h (DATALABEL_REF_P): Don't require the CONST.
12060         (ENCODE_SECTION_INFO): Enclose variables and constants in
12061         DATALABEL unspecs.
12062         (SH_DATALABEL_ENCODING, DATALABEL_SYMNAME_P): Define.
12063         (STRIP_NAME_ENCODING): Strip SH_DATALABEL_ENCODING off.
12064         (ASM_OUTPUT_LABELREF, AMS_OUTPUT_SYMBOL_REF): Define.
12065         * config/sh/sh.c (gen_datalabel_ref): Use UNSPEC_DATALABEL
12066         only for LABEL_REFs.  For SYMBOL_REFs, prepend
12067         SH_DATALABEL_ENCODING to the symbol name.
12068         * config/sh/sh.md (indirect_jump): Use SUBREG instead of
12069         convert_mode().
12070         2000-12-20  Alexandre Oliva  <aoliva@redhat.com>
12071         * config/sh/sh.md (casesi): Enclose ADDR_DIFF_VEC address in
12072         UNSPEC_DATALABEL.
12073         * config/sh/sh.c (gen_datalabel_ref): Accept LABEL_REFs.
12074         * config/sh/sh.h (DATALABEL_REF_NO_CONST_P): Likewise.
12075         (DATALABEL_REF_P): Don't require CONST.
12076         (ASM_OUTPUT_ADDR_DIFF_ELT): On SH5, output datalabel before
12077         REL label.
12078         2000-12-19  Alexandre Oliva  <aoliva@redhat.com>
12079         * config/sh/sh.md (extendhidi2, extendqidi2): Use arithmetic shift
12080         right.
12081         2000-12-18  Alexandre Oliva  <aoliva@redhat.com>
12082         * config/sh/sh.md (movsi_media, call, call_value, sibcall):
12083         Use shallow_copy_rtx and PUT_MODE to change the mode of
12084         SYMBOL_REFs, LABEL_REFs, CONSTs, etc.
12085         * config/sh/sh.h (PREFERRED_RELOAD_CLASS): Reload SYMBOL_REFs
12086         on SHmedia using GENERAL_REGs.
12087         * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
12088         bltu_media_i): Fix reversion of conditions.
12089         2000-12-18  Alexandre Oliva  <aoliva@redhat.com>
12090         * config/sh/sh.md (zero_extendhidi2): Use logical shift right.
12091         * config/sh/sh.c (output_far_jump): Save r13 in macl.
12092         2000-12-17  Alexandre Oliva  <aoliva@redhat.com>
12093         * config/sh/sh.c (gen_datalabel_ref): Fix mode of the UNSPEC.
12094         2000-12-16  Alexandre Oliva  <aoliva@redhat.com>
12095         * config/sh/lib1funcs.asm (ic_invalidate): Define for SH5.
12096         (GCC_nested_trampoline): Likewise.
12097         * config/sh/sh-protos.h (gen_datalabel_ref): Declare.
12098         * config/sh/sh.c (gen_datalabel_ref): Define.
12099         * config/sh/sh.h (TRAMPOLINE_SIZE): Adjust for SH5.
12100         (INITIALIZE_TRAMPOLINE): Likewise.
12101         (TRAMPOLINE_ADJUST_ADDRESS): Define.
12102         (DATALABEL_REF_NO_CONST_P, DATALABEL_REF_P): Define.
12103         (EXTRA_CONSTRAINT_T): Match DATALABEL unspecs.
12104         (OUTPUT_ADDR_CONST_EXTRA): Handle DATALABEL unspecs.
12105         * config/sh/sh.md (UNSPEC_DATALABEL): New constant.
12106         (ic_invalidate): Adjust for SH5.
12107         (ic_invalidate_line_media, ic_invalidate_line_compact): New insns.
12108         * config/sh/t-sh64 (LIB1ASMFUNCS): Added _ic_invalidate and
12109         _nested_trampoline.
12110         2000-12-15  Alexandre Oliva  <aoliva@redhat.com>
12111         * config/sh/sh.h (MOVE_MAX): Set to 8 for SHmedia, 4 elsewhere.
12112         (MOVE_MAX_PIECES): Set to 8 on SHmedia too.
12113         2000-12-14  Alexandre Oliva  <aoliva@redhat.com>
12114         * config/sh/sh.h (DBX_REGISTER_NUMBER): Adjust for sh64-elf-gdb.
12115         * config/sh/elf.h (DBX_REGISTER_NUMBER): Likewise.
12116         2000-12-14  Alexandre Oliva  <aoliva@redhat.com>
12117         * config/sh/sh.c (target_reg_operand): Match only target-branch
12118         registers and pseudos that aren't virtual registers.
12119         * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
12120         Copy operands that don't match target_reg_operand to pseudos.
12121         (call_media, call_value_media, sibcall_media): Use
12122         target_reg_operand instead of target_operand.
12123         2000-12-13  Alexandre Oliva  <aoliva@redhat.com>
12124         * glimits.h (__LONG_MAX__) [SH5 == 64]: Adjust for 64 bits.
12125         * config/sh/sh.c (target_reg_operand): Match hardware registers
12126         other than branch-target registers.
12127         * config/sh/sh.md (zero_extendqidi2): Input operand is %1.
12128         * config/sh/lib1funcs.asm (sdivsi3) [SH5]: Make it global.
12129         (fpscr_values) [SH5 == 32]: Define.
12130         * config/sh/t-sh64 (LIB1ASMFUNCS): Add fpscr_values.
12131         * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
12132         Handle function addresses coming in SUBREGs.
12133         2000-12-12  Alexandre Oliva  <aoliva@redhat.com>
12134         * config/sh/lib1funcs.asm (shcompact_call_trampoline,
12135         shcompact_return_trampoline): Use datalabel where appropriate.
12136         2000-12-09  Alexandre Oliva  <aoliva@redhat.com>
12137         * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use a
12138         general-purpose register to copy one branch-target register to
12139         another.
12140         2000-12-06  Alexandre Oliva  <aoliva@redhat.com>
12141         * config/sh/sh.c (target_operand): Accept LABEL_REFs and
12142         SYMBOL_REFs with VOIDmode.
12143         * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
12144         bltu_media_i): New insns.
12145         2000-12-06  Alexandre Oliva  <aoliva@redhat.com>
12146         * config/sh/sh.h (RETURN_IN_MEMORY): Adjust for SH5 ABI.
12147         (INIT_CUMULATIVE_ARGS): Likewise.
12148         2000-12-01  Alexandre Oliva  <aoliva@redhat.com>
12149         * machmode.def (V16SFmode): New mode.
12150         * c-common.c (type_for_mode): Support V2SF and V16SF.
12151         * tree.c (build_common_tree_nodes_2): Likewise.
12152         * tree.h (tree_index): Likewise.
12153         * calls.c (emit_call_1): Take args_so_far.  Adjust all
12154         callers.  Introduce CALL_POPS_ARGS.
12155         * tm.texi (CALL_POPS_ARGS): Document.
12156         * config/sh/crt1.asm: Implement in SHmedia mode.
12157         * config/sh/crti.asm, config/sh/crtn.asm: Likewise
12158         * config/sh/elf.h (ASM_SPEC, LINK_SPEC): Support SH5 flags.
12159         (DBX_REGISTER_NUMBER): Renumber registers for SH5.
12160         * config/sh/lib1funcs.asm: Disable functions unused in SH5.
12161         Implement divsi and udivsi in SHmedia mode.  Introduce
12162         SHcompact trampolines.
12163         * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): Use DImode
12164         only in SHmedia64.
12165         (regno_reg_class): Rewrite.
12166         (fp_reg_names): Remove.
12167         (sh_register_names, sh_additional_register_names): New.
12168         (print_operand): Added `u'.  Support SUBREGs in addresses.
12169         Add parentheses around shifted CONSTs.
12170         (output_file_start): Output .mode and .abi directives.
12171         (shiftcosts, addsubcosts, multcosts): Adjust.
12172         (output_stack_adjust): Compute alignment.  Sanity-check SIZE.
12173         (push_regs): Take array of HOST_WIDE_INTs.  Adjust callers.
12174         (calc_live_regs): Output to array of HOST_WIDE_INTs.  Count
12175         bytes, not registers.  Take into account the need for the
12176         SHcompact incoming args trampoline.  Adjust all callers.
12177         (sh_expand_prologue): Take stack_regs into account.  Call
12178         incoming args trampoline.  Keep stack aligned as per SH5 ABI.
12179         (sh_expand_epilogue): Take stack_regs into accoutn.  Keep
12180         stack aligned as per SH5 ABI.
12181         (sh_builtin_saveregs): Support SH5 ABI.
12182         (sh_build_va_list, sh_va_start): Likewise.
12183         (initial_elimination_offset): Take alignment into account.
12184         Compute location of PR according to the SH5 stack frame.
12185         (arith_reg_operand): Reject branch-target registers.
12186         (shmedia_6bit_operand): New.
12187         (logical_operand): Use CONST_OK_FOR_P on SHmedia.
12188         (target_reg_operand): Match DImode only.  Accept SUBREGs.
12189         (target_operand): New.
12190         * config/sh/sh.h (CPP_SPEC, SUBTARGET_CPP_SPEC): Support SH5 flags.
12191         (CONDITIONAL_REGISTER_USAGE): Implement SH5 ABI.  Initialize
12192         SIBCALL_REGS for SHmedia.
12193         (TARGET_SH3E, TARGET_SH4): Only if SH1_BIT is set too.
12194         (TARGET_FPU_DOUBLE, TARGET_FPU_ANY): New.
12195         (TARGET_SHMEDIA32, TARGET_SHMEDIA64): New.
12196         (TARGET_SWITCHES): New SH5 flags.
12197         (OVERRIDE_OPTIONS): Set SH5-specific options.  Use
12198         VALID_REGISTER_P to disable unsupported registers.
12199         (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set.
12200         (POINTER_SIZE, PARM_BOUNDARY): Adjust.
12201         (FUNCTION_ARG_PADDING): Define.
12202         (FASTEST_ALIGNMENT): Adjust.
12203         (SH_REGISTER_NAMES_INITIALIZER): New.
12204         (sh_register_names): Declare.
12205         (DEBUG_REGISTER_NAMES): Define.
12206         (REGISTER_NAMES): Define based on sh_register_names.
12207         (SH_ADDITIONAL_REGISTER_NAMES_INITIALIZER): New.
12208         (sh_additional_register_names): Declare.
12209         (LAST_GENERAL_REG, LAST_FP_REG, LAST_XD_REG): Adjust for SHmedia.
12210         (FIRST_TARGET_REG, LAST_TARGET_REG): Define.
12211         (TARGET_REGISTER_P, SHMEDIA_REGISTER_P, VALID_REGISTER_P): Define.
12212         (REGISTER_NATURAL_MODE): Define.
12213         (FIRST_PSEUDO_REGISTER): Adjust.
12214         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
12215         (HARD_REGNO_CALL_PART_CLOBBERED): Define.
12216         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Adjust.
12217         (VECTOR_MODE_SUPPORTED_P): Define.
12218         (REG_CLASS_CONTENTS): Adjust.
12219         (SMALL_REGISTER_CLASSES): Adjust.
12220         (REG_ALLOC_ORDER): Adjust.
12221         (INDEX_REG_CLASS): Adjust.
12222         (CONST_OK_FOR_O, CONST_OK_FOR_P): New.
12223         (CONST_OK_FOR_LETTER_P): Adjust.
12224         (PREFERRED_RELOAD_CLASS): Adjust.
12225         (SECONDARY_OUTPUT_RELOAD_CLASS): Adjust.
12226         (SECONDARY_INPUT_RELOAD_CLASS): Adjust.
12227         (NPARM_REGS, FIRST_PARM_REG, FIRST_RET_REG): Adjust.
12228         (FIRST_FP_PARM_REG): Adjust.
12229         (CALL_POPS_ARGS): Define.
12230         (FUNCTION_ARG_REGNO_P): Adjust.
12231         (struct sh_args): New fields.
12232         (GET_SH_ARG_CLASS): Adjust.
12233         (INIT_CUMULATIVE_ARGS): Adjust.
12234         (INIT_CUMULATIVE_INCOMING_ARGS): Define.
12235         (FUNCTION_ARG_ADVANCE): Adjust.
12236         (FUNCTION_ARG): Adjust.
12237         (FUNCTION_ARG_PASS_BY_REFERENCE, SHCOMPACT_BYREF): Define.
12238         (FUNCTION_ARG_CALLEE_COPIES): Define.
12239         (SH5_PROTOTYPELESS_FLOAT_ARG): Define.
12240         (STRICT_ARGUMENT_NAMING): Define.
12241         (PRETEND_OUTGOING_VARARGS_NAMED): Adjust.
12242         (FUNCTION_ARG_PARTIAL_NREGS): Adjust.
12243         (SH5_WOULD_BE_PARTIAL_NREGS): Define.
12244         (SETUP_INCOMING_VARARGS): Adjust.
12245         (HAVE_POST_INCREMENT, HAVE_PRE_DECREMENT): Adjust.
12246         (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Adjust.
12247         (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P): Adjust.
12248         (SUBREG_OK_FOR_INDEX_P): Adjust.
12249         (EXTRA_CONSTRAINT_S): Update.
12250         (EXTRA_CONSTRAINT_T): New.
12251         (EXTRA_CONSTRAINT): Adjust.
12252         (GO_IF_LEGITIMATE_INDEX): Adjust.
12253         (GO_IF_LEGITIMATE_ADDRESS): Adjust.
12254         (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Adjust.
12255         (MOVE_MAX): Adjust.
12256         (MAX_MOVE_MAX): Define.
12257         (Pmode): Adjust.
12258         (CONST_COSTS): Adjust.
12259         (REGISTER_MOVE_COST): Adjust.
12260         (BRANCH_COST): Adjust.
12261         (TEXT_SECTION_ASM_OP): Adjust.
12262         (DBX_REGISTER_NUMBER): Adjust.
12263         (ASM_OUTPUT_DOUBLE_INT): New.
12264         (UNALIGNED_DOUBLE_INT_ASM_OP): New.
12265         (PREDICATE_CODES): Adjust.
12266         (PROMOTE_MODE): Adjust.
12267         (CRT_CALL_STATIC_FUNCTION): Do not define for SHmedia.
12268         * config/sh/sh.md (AP_REG, PR_REG, T_REG, GBR_REG): Renumber.
12269         (MACH_REG, MACL_REG, FPUL_REG, RAP_REG, FPSCR_REG): Renumber.
12270         (PR_MEDIA_REG, T_MEDIA_REG, R10_REG): New.
12271         (DR0_REG, DR2_REG, DR4_REG): Renumber.
12272         (TR0_REG, TR1_REG, TR2_REG): New.
12273         (XD0_REG): Renumber.
12274         (UNSPEC_COMPACT_ARGS): New.
12275         (type): Added pt and ptabs.
12276         (length): Default to 4 on SHmedia.  Default pt length to 12
12277         and     20 on SHmedia32 and SHmedia64, respectively.
12278         (pt): New function unit.
12279         (movdi, movsi): Add types pt and ptabs.  Don't increment LABEL_NUSES.
12280         Add whitespace between operands of SHmedia instructions.
12281         (movdicc): Fix.
12282         (adddi3_media, addsi3_media): Adjust constraints.
12283         (subsi3) [SHmedia]: Force operand 1 into a register.
12284         (udivsi3_i1_media, udivsi3_i4_media): New.
12285         (udivsi3): Support SHmedia.
12286         (divsi3_i1_media, divsi3_i4_media): New.
12287         (divsi3): Support SHmedia.
12288         (anddi3, iordi3, xordi3): Adjust constraints.
12289         (zero_extendhidi2, zero_extendqidi2): New.
12290         (extendsidi2, extendhidi2, extendqidi2): New.
12291         (push, pop, push_e, push_fpul, push_4): Disable on SH5.
12292         (pop_e, pop_fpul, pop_4): Likewise.
12293         (movsi_media): Support FP and BT registers.
12294         (movsi_media_nofpu): New.  Adjust splits to DImode.
12295         (lduw, ldub): Renamed to zero_extend* above.
12296         (movqi_media): Fix typo.
12297         (movdi_media): Support FP and BT registers.
12298         (movdi_media_nofpu): New.  Adjust splits for SHmedia32.
12299         (movdi_const_32bit): New.
12300         (shori_media): Require immediate operand.  Use `u' for output.
12301         (movdf_media, movsf_media): Simplified.
12302         (movdf_media_nofpu, movsf_media_nofpu): New.
12303         (movdf, movsf): Adjust
12304         (movv2sf, movv2sf, movv16sf): New.
12305         (beq_media, beq_media_i): Adjust constraints.  Don't use
12306         scratch BT register.
12307         (bne_media, bne_media_i): Likewise.
12308         (bgt_media, bgt_media_i): Likewise.
12309         (bge_media, bge_media_i): Likewise.
12310         (bgtu_media, bgtu_media_i): Likewise.
12311         (bgeu_media, bgeu_media_i): Likewise.
12312         (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu,
12313         bunordered): Emit jump insn.  Force operands to registers when
12314         needed.
12315         (jump_media, jump): Simplify.
12316         (call_compact, call_compact_rettramp): New.
12317         (call_value_compact, call_value_compact_rettramp): New.
12318         (call_media, call_value_media): Simplify.
12319         (sibcall_compact, sibcall_media): New.
12320         (call, call_value): Adjust for SHmedia and SHcompact.
12321         (sibcall, sibcall_value, untyped_call): Likewise.
12322         (sibcall_epilogue): Preserve r0 across epilogue for SHcompact.
12323         (indirect_jump): Adjust for SHmedia.
12324         (casesi_jump_media): New.
12325         (nop): Re-enable for SHmedia.
12326         (call_site): Restrict to SH1.
12327         (casesi): Adjust for SHmedia.
12328         (casesi_shift_media, casesi_load_media): New.
12329         (return): Explicitly use PR register.  Call return trampoline
12330         on SHcompact.
12331         (return_i): Explicitly use PR register.
12332         (shcompact_return_tramp, shcompact_return_tramp_i): New.
12333         (return_media): Adjust.
12334         (shcompact_incoming_args): New.
12335         (epilogue): Adjust.
12336         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
12337         (movstrsi): Disable on SH5.
12338         (fpu_switch0, fpu_switch1, movpsi): Enable on SH4.
12339         (addsf3, addsf3_media): Test TARGET_SHMEDIA_FPU.
12340         (subsf3, subsf3_media): Likewise.
12341         (mulsf3, mulsf3_media, mac_media): Likewise.
12342         (divsf3, divsf3_media): Likewise.
12343         (floatdisf2, floatsisf2_media): Likewise.  Adjust constraints.
12344         (floatsisf2, fux_truncsfsi2): Likewise.
12345         (fix_truncsfdi2, fix_truncsfsi2_media): Likewise.  Adjust
12346         constraints.
12347         (cmpeqsf_media, cmpgtsf_media, cmpgesf_media): Likewise.
12348         (cmpunsf_media, cmpsf): Likewise.
12349         (negsf2, negsf2_media, sqrtsf2, sqrtsf2_media): Likewise.
12350         (abssf2, abssf2_media): Likewise.
12351         (adddf3, adddf3_media, subdf3, subdf3_media): Likewise.
12352         (muldf3, muldf3_media, divdf3, divdf3_media): Likewise.
12353         (floatdidf2, floatsidf2_media): Likewise.  Adjust constraints.
12354         (floatsidf2, fix_truncdfsi2): Likewise.
12355         (fix_truncdfdi2, fix_truncdfsi2_media): Likewise.  Adjust
12356         constraints.
12357         (cmpeqdf_media, cmpgtdf_media): Likewise.
12358         (cmpgedf_media, cmpundf_media, cmpdf): Likewise.
12359         (negdf2, negdf2_media, sqrtdf2, sqrtdf2_media): Likewise.
12360         (absdf2, absdf2_media): Likewise.
12361         (extendsfdf2, extendsfdf2_media): Likewise.
12362         (truncsfdf2, truncsfdf2_media): Likewise.
12363         * config/sh/sh64.h: New file.
12364         * config/sh/t-sh64: New file.
12365         * config/sh/shmedia.h: New file.
12366         * config/sh/ushmedia.h: New file.
12367         * config/sh/sshmedia.h: New file.
12368         * configure.in: Added sh64-*-elf.
12369         * configure: Rebuilt.
12370         2000-10-10  Alexandre Oliva  <aoliva@redhat.com>
12371         * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): New macros.
12372         (reg_class_from_letter): Use `b' for TARGET_REGS.
12373         (print_operand): Support `%M', `%m', `AND' and
12374         `ASHIFTRT'.  Do not precede constants with `#' on SHmedia.
12375         (andcosts): Adjust for SHmedia.
12376         (output_stack_adjust, sh_expand_prologue, sh_expand_epilogue):
12377         Likewise.
12378         (target_reg_operand): New function.
12379         * config/sh/sh-protos.h (target_reg_operand): Declare.
12380         * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't disable
12381         FP registers on SH5.
12382         (HARD_REGNO_MODE_OK): Accept them whenever they're acceptable
12383         on SH4.
12384         (TARGET_REGISTER_P): New macro.
12385         (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Added TARGET_REGS.
12386         (FUNCTION_VALUE): Use DImode for promoted types on SHmedia.
12387         (EXTRA_CONSTRAINT_S): New macro.
12388         (EXTRA_CONSTRAINT): Adjust.
12389         (FLOAT_TYPE_SIZE): Define to 32.
12390         (Pmode): DImode on SHmedia.
12391         (CONST_COSTS): Adjust for SHmedia literals.
12392         (PREDICATE_CODES): Added target_reg_operand.
12393         (PROMOTE_MODE): Promote signed types to DImode on SHmedia.
12394         * config/sh/sh.md: Remove all attrs from SHmedia insns.
12395         (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media): New insns.
12396         (cmpdi): Accept SHmedia.
12397         (movdicc_false, movdicc_true): New insns.
12398         (movdicc): New expand.
12399         (adddi3): Accept arith_operand for op2, but FAIL on SH1 if
12400         no_new_pseudos.
12401         (addsi3_media): Match `S' constraint.
12402         (anddi3, andcdi3, iordi3, xordi3, negdi_media): New insns.
12403         (negdi2): Expand for SHmedia.
12404         (one_cmpldi2): New expand.
12405         (zero_extendsidi2): Change from expand to insn.
12406         (extendsidi2): Add constraints.
12407         (movdi_media, movsi_media): Change `%x' to `%M'.  Use `%m' for
12408         LD/ST address.  Fix SI immediate loading split.
12409         (movhi_media, movqi_media, lduw, ldub): New insns.
12410         (movhi, movqi): Accept SHmedia.
12411         (shori_media, movdi_media): Relax input constraints.  Split
12412         symbolic constants.
12413         (movdf_media, movsf_media): New insn.  New split to movdi.
12414         (movdf, movsf): Match on SHmedia.
12415         (beq_media, bne_media, bgt_media, bge_media, bgtu_media,
12416         bgeu_media): New insns and splits.  New insns with `_i' suffix.
12417         (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu): Adjust.
12418         (bunordered): New expand.
12419         (jump_compact): Renamed from `jump'.
12420         (jump_media): New insn.
12421         (jump): New expand.
12422         (call_media, call_value_media): New insns.
12423         (call, call_value): Adjust.
12424         (indirect_jump_compact): Renamed from `indirect_jump'.
12425         (indirect_jump_media): New insn.
12426         (indirect_jump): New expand.
12427         (untyped_call, return): Accept SHmedia.
12428         (return_media): New insn.
12429         (prologue, epilogue, blockage): Accept SHmedia.
12430         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
12431         (sunordered): New expand.
12432         (addsf3, subsf3, mulsf3, divsf3, floatsisf2, fix_truncsfsi2,
12433         cmpsf, negsf2, sqrtsf2, abssf2): Adjust for SHmedia.
12434         (addsf3_media, subsf3_media, mulsf3_media, mac_media,
12435         divsf3_media, floatdisf2, floatsisf2_media, fix_truncsfdi2,
12436         fix_truncsfsi2_media, cmpeqsf_media, cmpgtsf_media,
12437         cmpgesf_media, cmpunsf_media, negsf2_media, sqrtsf2_media,
12438         abssf2_media): New insns.
12439         (adddf3, subdf3, muldf3, divdf3, floatsidf2, fix_truncdfsi2,
12440         cmpdf, negdf2, sqrtdf2, absdf2): Adjust for SHmedia.
12441         (adddf3_media, subdf3_media, muldf3_media, divdf3_media,
12442         floatdidf2, floatsidf2_media, fix_truncdfdi2,
12443         fix_truncdfsi2_media, cmpeqdf_media, cmpgtdf_media,
12444         cmpgedf_media, cmpundf_media, negdf2_media, sqrtdf2_media,
12445         absdf2_media): New insns.
12446         (extendsfdf2, truncdfsf2): Adjust for SHmedia.
12447         (extendsfdf2_media, truncdfsf2_media): New insns.
12448         2000-09-14  Alexandre Oliva  <aoliva@redhat.com>
12449         * config/sh/sh.c (machine_dependent_reorg): On shmedia, skip for now.
12450         * config/sh/sh.h (CONST_OK_FOR_J): Document.
12451         (LEGITIMATE_CONSTANT_P): Accept CONST_DOUBLEs on shmedia.
12452         * config/sh/sh.md (adddi3): New expand.
12453         (adddi3_media, adddi3z_media): New insns.
12454         (adddi3_compact): Renamed from adddi3.
12455         (addsi3_media): Use add.l r63 to add constant zero.
12456         (subdi3): New expand.
12457         (subdi3_media): New insn.
12458         (subdi3_compact): Renamed from subdi3.
12459         (mulsidi3): New expand.
12460         (mulsidi3_media): New insn.
12461         (mulsidi3_compact): Renamed from mulsidi3.
12462         (umulsidi3): New expand.
12463         (umulsidi3_media): New insn.
12464         (umulsidi3_compact): Renamed from umulsidi3.
12465         (ashlsi3_media, ashrsi3_media, lshrsi3_media): New insns.
12466         (ashlsi3, ashrsi3, lshrsi3): Use them.
12467         (ashldi3_media, ashrdi3_media, lshrdi3_media): New insns.
12468         (ashldi3, ashrdi3, lshrdi3): Use them.
12469         (zero_extendsidi2): New expand.
12470         (extendsidi2): New insn.
12471         (movsi_media): New insn.  Split to movdi to load constants.
12472         (movsi): Enable for shmedia.
12473         (movdi_media): New insn.  Use shori_media to load wide constants.
12474         (short_media): New insn.
12475         (movdi): Enable for shmedia.
12476         2000-09-08  Alexandre Oliva  <aoliva@redhat.com>
12477         * config/sh/sh.h (CPP_SPEC): Added `m5'.
12478         (SUBTARGET_CPP_SPEC): Added `!m5'.
12479         (SH5_BIT, TARGET_SH5, TARGET_SHMEDIA, TARGET_SHCOMPACT): New macros.
12480         (TARGET_SWITCHES): Added `5' and `5-compact'.  Added SH1_BIT
12481         to all other SH variants.
12482         (TARGET_DEFAULT): Set to SH1_BIT.
12483         (OVERRIDE_OPTIONS): Recognize sh5 CPU.
12484         (BITS_PER_WORD): Raise to 64 on shmedia.
12485         (MAX_BITS_PER_WORD): Change to 64.
12486         (MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Set to MAX_BITS_PER_WORD.
12487         (INT_TYPE_SIZE): Keep as 32.
12488         (UNITS_PER_WORD): Raise to 8 on shmedia.
12489         (MIN_UNITS_PER_WORD): Keep as 4.
12490         (POINTER_SIZE): Raise to 64 on shmedia.
12491         (CONST_OK_FOR_J): New macro.
12492         (CONST_OK_FOR_LETTER_P): Use it.
12493         (processor_type): Add PROCESSOR_SH5.
12494         * config/sh/sh.md: Conditionalize all expands, insns and
12495         splits to TARGET_SH1.
12496         (cpu): Added sh5.
12497         (addsi3_compact): Renamed from...
12498         (addsi3): Now an expand.
12499         (addsi3_media, subsi3_media): New insns.
12500         (subsi3): Don't negate constants with SHmedia.
12501
12502         * hooks.c: New file.
12503         * hooks.h: New file.
12504         * Makefile.in (HOOKS_H): New.
12505         (TARGET_DEF_H): Added $(HOOKS_H).
12506         (OBJS): Added hooks.o.
12507         (cfgcleanup.o, bb-reorder.o): Added target.h.
12508         (hooks.o): Added dependencies.
12509         * target-def.h (TARGET_CANNOT_MODIFY_JUMPS_P): New, added to...
12510         (TARGET_INITIALIZER): this.
12511         * doc/tm.texi (TARGET_CANNOT_MODIFY_JUMPS_P): Document.
12512         * target.h (struct gcc_target): Added cannot_modify_jumps_p.
12513         * bb-reorder.c: Include target.h.
12514         (reorder_basic_blocks): Skip if cannot modify jumps.
12515         * cfgcleanup.c: Include target.h.
12516         (try_optimize_cfg): Skip merge blocking if cannot modify jumps.
12517
12518 2002-02-08  Chris Demetriou  <cgd@broadcom.com>
12519
12520         * config/mips/mips.md (casesi_internal, casesi_internal_di):
12521         Protect jump delay slot instructions with .set noreorder and
12522         .set nomacro.
12523
12524 2002-02-08  Chris Demetriou  <cgd@broadcom.com>
12525
12526         * config/mips/mips.md (casesi_internal_di): Calculate
12527         the index into the target offset table correctly.
12528
12529 2002-02-08  Richard Henderson  <rth@redhat.com>
12530
12531         * expr.c (expand_expr): Mind EXPAND_INITIALIZER for truncation also.
12532         * final.c (output_addr_const): Accept and discard SUBREG.
12533         * varasm.c (decode_addr_const): Don't abort on unknown expressions --
12534         mark them unknown instead.
12535         (simplify_subtraction): Handle RTX_UNKNOWN.
12536         (initializer_constant_valid_p): Strip NOP_EXPRs that narrow the mode.
12537
12538 2002-02-08  David Edelsohn  <edelsohn@gnu.org>
12539
12540         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix typo.
12541
12542 2002-02-08  Richard Henderson  <rth@redhat.com>
12543
12544         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_BSS): New.
12545
12546 2002-02-08  Andreas Jaeger  <aj@suse.de>
12547
12548         * config.gcc (x86_64-*-linux): Add t-linux64 makefile fragment.
12549         * config/i386/t-linux64: New file.
12550
12551 2002-02-08  Jakub Jelinek  <jakub@redhat.com>
12552
12553         * c-common.c (c_expand_expr): Revert 2002-02-06 patch.
12554         * c-parse.in (compstmt): Clear last_expr_type.
12555
12556 2002-02-07  Richard Henderson  <rth@redhat.com>
12557
12558         * loop.c (strength_reduce): Sink final_value when not
12559         eliminating a biv.
12560
12561 2002-02-07  David O'Brien  <obrien@FreeBSD.org>
12562
12563         * config/sparc/freebsd.h: Fix mismatched spec {.
12564
12565 2002-02-07  Richard Henderson  <rth@redhat.com>
12566
12567         * cfgrtl.c: Include recog.h and insn-config.h.
12568         (keep_with_call_p): Fix general_operand invocation.
12569         * Makefile.in (cfgrtl.o): Update dependencies.
12570
12571 2002-02-07  Kazu Hirata  <kazu@hxi.com>
12572
12573         * config/h8300/h8300.c (two_insn_adds_subs_operand): Revise a
12574         comment.  Accept HImode only if TARGET_H8300.
12575
12576 2002-02-07  Eric Christopher  <echristo@redhat.com>
12577
12578         * config/mips/crtn.asm: Cleanup #ifdefs.
12579
12580 2002-02-07  Eric Christopher  <echristo@redhat.com>
12581
12582         * config/mips/crti.asm: Add changes for mips16. mips16 uses
12583         register 7 as RA instead of $31.
12584         * config/mips/crtn.asm: Ditto.
12585         * config/mips/mips.c (mips_move_2words): Add case for
12586         TARGET_MIPS16 when HOST_BITS_PER_WIDE_INT >= 64.
12587         (compute_frame_size): Fix typo.
12588         (save_restore_insns): Ditto.  Make documentation about using
12589         register $7 as return register more precise.
12590         (mips_expand_epilogue): Fix comment. Add code to work around not
12591         being able to add to the stack pointer directly.
12592         * config/mips/mips.h (EH_RETURN_DATA_REGNO): Change register number
12593         to 2 for TARGET_MIPS16 as we need 6 and 7 as clobbers in the
12594         epilogue.
12595
12596 2002-02-07  Tom Rix  <trix@redhat.com>
12597
12598         * config/rs6000/rs6000.c (reg_or_aligned_short_operand): New. For
12599         immediates in ldu and stdu DS opcode field.
12600         * config/rs6000/rs6000.md (movdi_update, movdi_update1): Use.
12601         * config/rs6000/rs6000-protos.h: Add reg_or_aligned_short_operand.
12602         * config/rs6000/rs6000.h (PREDICATE_CODES): Same.
12603
12604 2002-02-07  Jeff Sturm  <jsturm@one-point.com>
12605
12606         * config/sparc/sparc.c (compute_frame_size): Don't correct frame
12607         offset for stack bias.
12608
12609 2002-02-07  H.J. Lu <hjl@gnu.org>
12610
12611         * config/mips/linux.h (SUBTARGET_ASM_DEBUGGING_SPEC): Defined.
12612
12613 2002-02-07  Ulrich Weigand  <uweigand@de.ibm.com>
12614
12615         * testsuite/gcc.dg/cpp/charconst-2.c: Add -fsigned-char option.
12616
12617 Thu Feb  7 12:14:17 CET 2002  Jan Hubicka  <jh@suse.cz>
12618
12619         * i386-protos.h (x86_order_regs_for_local_alloc): Declare
12620         * i386.c (x86_order_regs_for_local_alloc): New global function.
12621         * i386.h (REG_ALLOC_ORDER): CLeanup.
12622         (ORDER_REGS_FOR_LOCAL_ALLOC): New.
12623
12624 2002-02-07  Richard Henderson  <rth@redhat.com>
12625
12626         PR optimization/2463
12627         * alias.c (find_base_value): Recall base values for fixed hard regs.
12628         * loop.c (loop_regs_update): Don't use single_set on non-insns.
12629
12630 2002-02-07  Alexandre Oliva  <aoliva@redhat.com>
12631
12632         * config/mips/mips.md (define_delay) [mips16]: Adjust required
12633         length.
12634
12635 2002-02-06  Richard Henderson  <rth@redhat.com>
12636
12637         PR c/5609
12638         * stmt.c (resolve_operand_name_1): Take more care with mixed
12639         named and unnamed operands.
12640
12641 2002-02-06  Janis Johnson  <janis187@us.ibm.com>
12642             Jan Hubicka  <jh@suse.cz>
12643
12644         * loop.c (remove_constant_addition): Avoid clobbering a shared
12645         CONST expression.
12646
12647 2002-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
12648
12649         * config.gcc (s390x-*-linux*): Add t-linux64 makefile fragment.
12650         * config/s390/t-linux64: New file.
12651         * config/s390/libgcc-glibc.ver: New file.
12652
12653 2002-02-06  Ulrich Weigand  <uweigand@de.ibm.com>
12654
12655         * config/s390/linux64.h: Delete file.
12656         * config/s390/s390x.h: New file.
12657         * config.gcc (s390x-*-linux*): Use s390x.h instead of linux64.h
12658         as target header file.
12659         * config/s390/linux.h (TARGET_VERSION): Define depending on
12660         DEFAULT_TARGET_64BIT.
12661         (CPP_SPEC, ASM_SPEC, LINK_SPEC): Likewise.
12662         (SIZE_TYPE, PTRDIFF_TYPE): Likewise.
12663         (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define.
12664         (CPP_ARCH31_SPEC, CPP_ARCH64_SPEC): New defines.
12665         (LINK_ARCH31_SPEC, LINK_ARCH64_SPEC): New defines.
12666         (EXTRA_SPEC): New define.
12667         * config/s390/s390.h (TARGET_VERSION): Define depending on
12668         DEFAULT_TARGET_64BIT.
12669         (MASK_RETURN_ADDR): Add run-time check for TARGET_64BIT.
12670
12671 2002-02-06  Jason Merrill  <jason@redhat.com>
12672
12673         * c-decl.c (finish_function): Warn about a non-void function with
12674         no return statement and no abnormal exit.
12675         (current_function_returns_abnormally): New variable.
12676         (start_function): Clear it.
12677         (struct c_language_function): Add returns_abnormally.
12678         (push_c_function_context): Save it.
12679         (pop_c_function_context): Restore it.
12680         (builtin_function): Set TREE_THIS_VOLATILE on return fns.
12681         (grokdeclarator): Set C_FUNCTION_IMPLICIT_INT on functions without
12682         an explicit return type.
12683         * c-tree.h: Declare current_function_returns_abnormally.
12684         (C_FUNCTION_IMPLICIT_INT): New macro.
12685         * c-typeck.c (build_function_call): Set it.
12686         (c_expand_return): Set current_function_returns_value even if the
12687         value is erroneous.
12688
12689 2002-02-06  Jakub Jelinek  <jakub@redhat.com>
12690
12691         PR c/5420:
12692         * c-common.c (c_unsafe_for_reeval): Make COMPOUND_LITERAL_EXPR
12693         unsafe for reevaluation.
12694
12695 2002-02-06  Jakub Jelinek  <jakub@redhat.com>
12696
12697         PR c/5482:
12698         * c-common.c (c_expand_expr) [STMT_EXPR]: If last expression is not
12699         EXPR_STMT, but COMPOUND_STMT, recurse into it.
12700
12701 2002-02-06  Richard Henderson  <rth@redhat.com>
12702
12703         * cfganal.c (keep_with_call_p): Source for fixed_reg dest must
12704         be a general_operand.  Dest for function value must be a pseudo.
12705
12706 2002-02-06  Nick Clifton  <nickc@cambridge.redhat.com>
12707
12708         * dbxout.c (dbxout_symbol_location): Accept LABEL_REFs as well
12709         as SYMBOL_REFs from the constant pool.
12710
12711 2002-02-06  Alexandre Oliva  <aoliva@redhat.com>
12712
12713         * dbxout.c (dbxout_parms): Apply DEBUGGER_ARG_OFFSET to parameters
12714         passed by invisible reference.
12715
12716 2002-02-05  Richard Henderson  <rth@redhat.com>
12717
12718         * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): No stack bias.
12719
12720 2002-02-06  Hans-Peter Nilsson  <hp@bitrange.com>
12721
12722         Implement using "base addresses" in insn operands as default.
12723         * config/mmix/mmix.c (mmix_conditional_register_usage): if
12724         -mabi=gnu, modify fixed_regs to fit the GNU ABI.
12725         (mmix_extra_constraint): Use 'R' to indicate that GETA should be
12726         used to read the rtx value.
12727         (mmix_target_asm_function_epilogue): Fix spacing.
12728         (mmix_constant_address_p): Handle TARGET_BASE_ADDRESSES.
12729         (mmix_legitimate_address): Ditto.
12730         (mmix_encode_section_info): Set SYMBOL_REF_FLAG on rtx:es that
12731         should be loaded with a GETA insn.  Don't allocate needless extra
12732         char for nul termination and fix misleading comment.
12733         (mmix_print_operand_address): Handle constants if
12734         TARGET_BASE_ADDRESSES.
12735         (mmix_output_register_setting): Use base addressing if
12736         TARGET_BASE_ADDRESSES and the number of insns is 3.
12737         * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): New.
12738         * config/mmix/mmix.md ("movdi"): Change the alternative with GETA
12739         to use R as constraint, add LDA to match s.
12740         * config/mmix/mmix.h (TARGET_BASE_ADDRESSES): New.
12741         (TARGET_DEFAULT): Add TARGET_MASK_BASE_ADDRESSES.
12742         (TARGET_SWITCHES): Add -mbase-addresses, -mno-base-addresses.
12743         (FIXED_REGISTERS): Make registers $231..$246 fixed by default.
12744         (MMIX_MMIXWARE_ABI_REG_ALLOC_ORDER): Move $231..$246 last, in
12745         order with other fixed registers.
12746         (MMIX_GNU_ABI_REG_ALLOC_ORDER): Put forward $231, in order with
12747         other parameter/call-clobbered registers.
12748         * doc/invoke.texi (Option Summary) <MMIX Options>: Add
12749         -mbase-addresses, -mno-base-addresses.
12750         (MMIX Options): Ditto.
12751
12752 2002-02-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>
12753
12754         * pa.h (PREDICATE_CODES): Add reg_before_reload_operand.
12755
12756 2002-02-06  Aldy Hernandez  <aldyh@redhat.com>
12757
12758         * config/rs6000/altivec.h: Change elem to _S_elem.
12759
12760 2002-02-05  Jason Thorpe  <thorpej@wasabisystems.com>
12761
12762         * config/netbsd.h (WCHAR_TYPE): Define.
12763         (WCHAR_TYPE_SIZE): Ditto.
12764         (WINT_TYPE): Ditto.
12765         * config/alpha/netbsd.h (WCHAR_TYPE): Remove.
12766         (WCHAR_UNSIGNED): Ditto.
12767         (WCHAR_TYPE_SIZE): Ditto.
12768         (WINT_TYPE): Ditto.
12769         * config/arm/netbsd.h: Likewise.
12770         * config/i386/netbsd-elf.h: Likewise.
12771         * config/i386/netbsd.h: Likewise.
12772         * config/m68k/netbsd-elf.h: Likewise.
12773         * config/m68k/netbsd.h: Likewise.
12774         * config/ns32k/netbsd.h: Likewise.
12775         * config/sparc/netbsd.h: Likewise.
12776         * config/vax/netbsd.: Likewise.
12777
12778 2002-02-05  Alexandre Oliva  <aoliva@redhat.com>
12779
12780         * target.h (struct gcc_target): Added ms_bitfield_layout_p.
12781         * target-def.h (TARGET_MS_BITFIELD_LAYOUT_P): New.  Added to...
12782         (TARGET_INITIALIZER): this.
12783         * doc/tm.texi (TARGET_MS_BITFIELD_LAYOUT_P): Document.
12784         (BITFIELD_NBYTES_LIMITED): Markup fix.
12785         * tree.h (default_ms_bitfield_layout_p): Declare.
12786         (record_layout_info): Added prev_field.
12787         * tree.c (default_ms_bitfield_layout_p): New fn.
12788         * c-decl.c (finish_struct): Disregard EMPTY_FIELD_BOUNDARY and
12789         PCC_BITFIELD_TYPE_MATTERS for MS bit-field layout.
12790         * stor-layout.c: Include target.h.
12791         (start_record_layout): Initialize prev_field.
12792         (place_field): Handle MS bit-field layout, and disregard
12793         EMPTY_FIELD_BOUNDARY, BITFIELD_NBYTES_LIMITED and
12794         PCC_BITFIELD_TYPE_MATTERS in this case.  Update prev_field.
12795         * Makefile.in (stor-layout.o): Adjust dependencies.
12796
12797 2002-02-05  Jason Merrill  <jason@redhat.com>
12798
12799         * collect2.c (dump_file): Pass DMGL_VERBOSE to cplus_demangle.
12800
12801 2002-02-05  Andreas Jaeger  <aj@suse.de>
12802
12803         * crtstuff.c: Fix comments.
12804
12805 2002-02-05  Richard Henderson  <rth@redhat.com>
12806
12807         PR fortran/3393
12808         * loop.c (loop_iv_add_mult_emit_before): Copy multiplier as well.
12809         (loop_iv_add_mult_sink, loop_iv_add_mult_hoist): Likewise.
12810
12811         PR fortran/3392
12812         * config/mips/mips.c (function_arg): Handle TImode.
12813         (function_arg_advance): Likewise.
12814
12815 2002-02-05  Aldy Hernandez  <aldyh@redhat.com>
12816
12817         * config/rs6000/altivec.h (vec_step_help): Rename to
12818         __vec_step_help.
12819
12820 2002-02-05  Aldy Hernandez  <aldyh@redhat.com>
12821
12822         * config/rs6000/altivec.h: Fix typos.
12823
12824 2002-02-05  Jason Thorpe  <thorpej@wasabisystems.com>
12825
12826         * config/arm/netbsd.h: Correct a comment.
12827
12828 2002-02-05  Aldy Hernandez  <aldyh@redhat.com>
12829
12830         * config/rs6000/rs6000.c (altivec_init_builtins): Fix typo
12831         building void typed builtins.
12832
12833         * config/rs6000/altivec.h (vec_ld*): Fix typos.
12834         (vec_step): Implement for C++.
12835
12836 Mon Feb  4 19:23:19 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
12837
12838         * final.c (final_scan_insn): Add case for NOTE_INSN_LOOP_END_TOP_COND.
12839
12840 2002-02-04  Richard Henderson  <rth@redhat.com>
12841
12842         * combine.c (nonzero_bits): Re-introduce special case for
12843         sp/fp/ap wrt REGNO_POINTER_ALIGN.
12844
12845 2002-02-05  Aldy Hernandez  <aldyh@redhat.com>
12846
12847         * doc/extend.texi: Warn about unsupported usage of altivec
12848         builtins.
12849
12850         * config/rs6000/rs6000.md (altivec_vcmp*_p): Remove.
12851         (altivec_predicate_*): New.
12852
12853         * config/rs6000/altivec.h: Rewrite predicates to use new builtins.
12854         Add C++ version of vec_*() functions.
12855
12856         * config/rs6000/rs6000.c (bdesc_altivec_preds): New.
12857         (bdesc_2arg): Remove altivec predicates.
12858         (altivec_expand_builtin): Handle predicates.
12859         (altivec_init_builtins): Handle predicates.
12860         (altivec_expand_predicate_builtin): New.
12861
12862 2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
12863
12864         * pa.c (DO_FRAME_NOTES): Move forward.
12865         (store_reg): Revise handling of frame notes.
12866         (load_reg): Likewise.
12867         (set_reg_plus_d): Likewise.
12868         (hppa_expand_prologue): Likewise.
12869         (hppa_expand_epilogue): Likewise.
12870
12871 2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
12872
12873         * unwind-dw2-fde-glibc.c: Define _GNU_SOURCE if not defined.
12874
12875 2002-02-04  Jakub Jelinek  <jakub@redhat.com>
12876
12877         PR c/4475, c++/3780:
12878         * c-common.def (SWITCH_STMT): Add SWITCH_TYPE operand.
12879         * c-common.h (SWITCH_TYPE): Define.
12880         * c-typeck.c (c_start_case): Set SWITCH_TYPE.
12881         * stmt.c (all_cases_count): Set lastval to thisval at end of loop.
12882         Rename spareness variable to sparseness.
12883         (expand_end_case_type): Renamed from expand_end_case, use orig_type
12884         if non-NULL instead of TREE_TYPE (orig_index).
12885         * tree.h (expand_end_case_type): Renamed from expand_end_case.
12886         (expand_end_case): Define using expand_end_case_type.
12887         * c-semantics.c (genrtl_switch_stmt): Pass SWITCH_TYPE
12888         to expand_end_case_type.
12889         * doc/c-tree.texi (SWITCH_STMT): Document SWITCH_TYPE.
12890
12891 2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
12892
12893         * pa.h (PREFERRED_STACK_BOUNDARY): Define to match standard rounding.
12894         (BIGGEST_ALIGNMENT): Change to 128.
12895
12896 2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
12897
12898         * pa32-linux.h (LINK_COMMAND_SPEC): Define.
12899
12900 2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>
12901
12902         * pa.md (call_internal_reg_64bit): Remove unused variable.
12903
12904 2002-02-04  Nick Clifton  <nickc@cambridge.redhat.com>
12905
12906         * config/arm/arm.h (machine_function): Add uses_anonymous_args
12907         field.
12908         (SETUP_INCOMING_VARARGS): Set uses_anonymous_args.
12909         * config/arm/arm.c (current_function_anonymous_args): Delete,
12910         replace uses with cfun->machine->uses_anonymous_args.
12911         (arm_reorg): Do not reset uses_anonymous_args.
12912
12913         * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any value in
12914         any geenral register.
12915
12916 2001-02-04  Bernd Schmidt  <bernds@redhat.com>s
12917
12918         * cfgrtl.c (force_nonfallthru_and_redirect): Don't try to redirect
12919         the entry block.
12920
12921 2002-02-04  Richard Henderson  <rth@redhat.com>
12922
12923         * combine.c (force_to_mode): Remove STACK_BIAS code.
12924         (nonzero_bits): Likewise.  Replace sp/fp special case with
12925         REGNO_POINTER_ALIGN.
12926
12927         * config/sparc/sparc.h (FRAME_POINTER_REGNUM): Change to SFP.
12928         (HARD_FRAME_POINTER_REGNUM): New.
12929         (FIRST_PSEUDO_REGISTER, REG_CLASS_CONTENTS): Update.
12930         (FIXED_REGS, CALL_USED_REGS): Update.
12931         (REG_ALLOC_ORDER, REGISTER_NAMES): Update.
12932         (CONDITIONAL_REGISTER_USAGE): Update for HFP.
12933         (HARD_REGNO_NREGS): Update for SFP.
12934         (STACK_POINTER_OFFSET): Include bias here ...
12935         (FIRST_PARM_OFFSET): ... not here.
12936         (STACK_BIAS): Remove.
12937         (INIT_EXPANDERS): New.
12938         (STARTING_FRAME_OFFSET): Do not include bias.
12939         (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
12940         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Update for SFP.
12941         (REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Likewise.
12942         * config/sparc/aout.h (DBX_REGISTER_NUMBER): Update for HFP.
12943         * config/sparc/litecoff.h, config/sparc/sol2.h: Likewise.
12944         * config/sparc/sparc.c (mem_min_alignment): Update for HFP.
12945         (sparc_nonflat_function_prologue, epilogue_renumber): Likewise.
12946         (MUST_SAVE_REGISTER): Likewise.
12947         (sparc_flat_function_prologue): Likewise.
12948         (sparc_flat_function_epilogue): Likewise.
12949         (HARD_FRAME_POINTER_MASK): Rename from FRAME_POINTER_MASK.
12950         (sparc_init_modes): SFP is GENERAL_REGS.
12951         (sparc_builtin_saveregs): SFP does not have bias applied.
12952
12953 2002-02-04  Richard Henderson  <rth@redhat.com>
12954
12955         * config/alpha/alpha.c (current_function_is_thunk): Don't check
12956         current_function_is_thunk.
12957         (alpha_sa_mask): Distinguish between current_function_is_thunk
12958         called from ASM_OUTPUT_MI_THUNK and not.
12959         (alpha_does_function_need_gp): Thunks always need gp.
12960         (alpha_start_function, alpha_output_function_end_prologue): Likewise.
12961         (alpha_output_mi_thunk_osf): New.
12962         * config/alpha/alpha-protos.h: Update.
12963         * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): New.
12964
12965 2002-02-04  Richard Sandiford  <rsandifo@redhat.com>
12966
12967         * c-typeck.c (build_c_cast): Warn when qualifiers are added to
12968         function types, not when they're taken away.
12969
12970 Mon Feb  4 09:05:58 2002  Jeffrey A Law  (law@redhat.com)
12971
12972         * cfgrtl.c (try_redirect_by_replacing_jump): Remove associated
12973         CODE_LABEL and jump table when replacing a table jump with a
12974         simple jump.
12975
12976 2002-02-04  Ulrich Weigand  <uweigand@de.ibm.com>
12977
12978         * config/s390/s390-protos.h (legitimize_la_operand,
12979         s390_secondary_input_reload_class, s390_plus_operand,
12980         s390_expand_plus_operand): Add prototypes.
12981
12982         config/s390/s390.c (s390_secondary_input_reload_class,
12983         s390_plus_operand, s390_expand_plus_operand): New functions.
12984
12985         (struct s390_address): New member 'pointer'.
12986         (s390_decompose_address): Compute it.
12987         (legitimate_la_operand_p): Use it.
12988         (legitimize_la_operand): New function.
12989         (movti, movdi, movdf splitters): Call it.
12990
12991         config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS): Define.
12992         (PREDICATE_CODES): Add s390_plus_operand.
12993
12994         config/s390/s390.md (adddi3_inv_64, addaddr_ccclobber): Delete.
12995         (la_ccclobber): Allow GENERAL_REGS as output operand.
12996
12997         (reload_load_address, *reload_load_address_reg_0, *la, *do_la_reg_0,
12998         *reload_la_64, *reload_la_31 and splitters): Delete, replace by ...
12999         (*la_64, *la_31, reload_indi, reload_insi): ... these.
13000
13001 2002-02-04  Ulrich Weigand  <uweigand@de.ibm.com>
13002
13003         * gcc/config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Fixed
13004         register names for regular asm () construct.
13005
13006 2002-02-04  Jakub Jelinek  <jakub@redhat.com>
13007
13008         * config/i386/i386.md (movsf_1): Allow moving SF values in MMX
13009         registers.
13010
13011 2002-02-04  Jakub Jelinek  <jakub@redhat.com>
13012
13013         * combine.c (recog_for_combine): Create a dummy insn with PATTERN
13014         pat for recog.
13015
13016 2002-02-04  Hartmut Penner  <hpenner@de.ibm.com>
13017
13018         * varasm.c (decode_rtx_const): Allow unspec (symbol_ref) in
13019         constant pool to be identical by string address and index.
13020
13021 2002-02-04  Anthony Green  <green@redhat.com>
13022
13023         * output.h (SECTION_OVERRIDE): Define.
13024         * varasm.c (named_section): Obey SECTION_OVERRIDE.
13025
13026 2002-02-03  Jason Thorpe  <thorpej@wasabisystems.com>
13027
13028         * config.gcc (arm*-*-netbsdelf*): Placeholder to prevent match
13029         by existing arm*-*-netbsd* (a.out) target.
13030         (ns32k-*-netbsdelf*): Likewise.
13031         (sparc-*-netbsdelf*): Likewise.
13032         (vax-*-netbsdelf*): Likewise.
13033
13034 2002-02-03  Danny Smith <dannysmith@users.sourceforge.net>
13035
13036         * gthr-win32.h: Protect against conflicting typedef for BOOL in windows
13037         headers and libobjc headers.
13038
13039 2002-02-03  Mumit Khan  <khan@nanotech.wisc.edu>
13040
13041         * gthr-win32.h (__mingwthr_key_dtor): Use extern "C" linkage for C++.
13042         (_mingw.h): Remove duplicate include.
13043
13044 2002-02-03  Jason Thorpe  <thorpej@wasabisystems.com>
13045
13046         * config.gcc: Set cpu_type to m68k for 68010, as well.
13047         (m68010-*-netbsdelf*): New...
13048         (m68k*-*-netbsdelf*): ...targets.
13049         * config/m68k/netbsd-elf.h: New file.
13050
13051 2002-02-02  Kazu Hirata  <kazu@hxi.com>
13052
13053         * config/h8300/h8300.c (hand_list): Move inside function_arg.
13054
13055 2002-02-02  Kazu Hirata  <kazu@hxi.com>
13056
13057         * config/h8300/h8300.c (h8_push_ops): Move inside
13058         h8300_init_once.
13059         (h8_pop_ops): Likewise.
13060         (h8_move_ops): Likewise.
13061
13062 2002-02-02  Kazu Hirata  <kazu@hxi.com>
13063
13064         * config/h8300/h8300.c (os_task): Make it static.
13065         (monitor): Likewise.
13066         (pragma_saveall): Likewise.
13067
13068 2002-02-02  Alexandre Oliva  <aoliva@redhat.com>
13069
13070         * config/sh/sh.md (ic_invalidate_line): Make sure the immediate
13071         constant is a valid sign-extension for Pmode.
13072
13073 2002-02-02  Kazu Hirata  <kazu@hxi.com>
13074
13075         * config/h8300/h8300.c: Fix formatting.
13076
13077 2002-02-02  Kazu Hirata  <kazu@hxi.com>
13078
13079         * config/h8300/h8300.md: Fix formatting.
13080
13081 2002-02-02  Kazu Hirata  <kazu@hxi.com>
13082
13083         * config/h8300/h8300.md (one_cmpl patterns): Tighten the
13084         predicates of operands[1].  Split the patterns for each
13085         processor variant.
13086
13087 2002-02-02  Kazu Hirata  <kazu@hxi.com>
13088
13089         * config/h8300/h8300.md (xor patterns): Tighten the predicates
13090         of operands[1] to register_operand.
13091
13092 2002-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>
13093
13094         * cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__.
13095         * cpphash.c (_cpp_init_hashtable): Similarly.
13096         * cppinit.c (cpp_create_reader): Default the signed_char flag.
13097         (init_builtins): Define __CHAR_UNSIGNED__ appropriately.
13098         (COMMAND_LINE_OPTIONS): Recognise -f{un,}signed-char.
13099         (cpp_handle_option): Handle the new options.
13100         * cpplex.c (cpp_interpret_charconst): Use new flag.
13101         * cpplib.h (struct cpp_options): New member signed_char.
13102         * gcc.c (cpp_unique_options): Remove %c spec and documentation.
13103         (cpp_options): Handle -fsigned-char and -funsigned-char.
13104         (static_specs): Remove signed_char_spec.
13105         (do_spec1): Don't handle %c.
13106         * system.h: Poison SIGNED_CHAR_SPEC.
13107         * tradcif.y (yylex): Use flag_signed_char.
13108         * tradcpp.h (flag_signed_char): New.
13109         * tradcpp.c (flag_signed_char): New.
13110         (main): Handle new command-line options.
13111         (initialize_builtins): Define __CHAR_UNSIGNED__ if appropriate.
13112 config:
13113         * alpha/alpha.h (SIGNED_CHAR_SPEC): Remove.
13114         * avr/avr.h: Remove old comments.
13115         * i960/i960.h (CPP_SPEC): Pass -fsigned-char if -mic*.
13116         (CC1_SPEC): Pass -fsigned-char if -mic*.
13117         (SIGNED_CHAR_SPEC): Remove.
13118 doc:
13119         * tm.texi (SIGNED_CHAR_SPEC): Remove documentation.
13120
13121 2002-02-01  Eric Christopher  <echristo@redhat.com>
13122
13123         From Daniel Jacobowitz <dmj+@andrew.cmu.edu>
13124         * config/mips/mips.h (FUNCTION_PROFILER): Fix function profiling.
13125         * config/mips/linux.h (ASM_OUTPUT_REG_PUSH): Undefine.
13126         (ASM_OUTPUT_REG_POP): Ditto.
13127
13128 2002-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>
13129
13130         * c-decl.c, tree.c, tree.h, objc/objc-act.c: Revert bitfield
13131         patch.
13132
13133 2002-02-02  Jakub Jelinek  <jakub@redhat.com>
13134
13135         * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Add missing | separators.
13136
13137 2002-02-02  Jakub Jelinek  <jakub@redhat.com>
13138
13139         PR c/5304:
13140         * expmed.c (expand_mult_highpart): Use immed_double_const for wide_op1
13141         unconditionally.
13142
13143 2002-02-01  Janis Johnson  <janis187@us.ibm.com>
13144
13145         * cfganal.c: Include tm_p.h.
13146         (keep_with_call_p): Fix the test that determines if a register holds
13147         the return value of a call.
13148
13149 2002-02-01  DJ Delorie  <dj@redhat.com>
13150
13151         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): If
13152         we are given conflicting registers, switch to the other one we
13153         had allocated for us.
13154         * config/sparc/sparc.md (reload_indi, reload_outdi): Pass op[2]
13155         as TImode so we know when the "other" register is available.
13156
13157 2002-02-01  David O'Brien  <obrien@FreeBSD.org>
13158
13159         * config/sparc/sol2-sld-64.h: Include sparc/biarch64.h rather than
13160         sparc/sparc_bi.h.
13161
13162 2002-02-01  Janis Johnson  <janis187@us.ibm.com>
13163
13164         * cfganal.c (keep_with_call_p): New function.
13165         (flow_call_edges_add): Prevent splitting a block between a call and
13166         a single-set instruction that should be kept in the same block.
13167
13168 2002-02-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
13169
13170         * doc/install.texi (avr): Update outdated URL.
13171
13172 2002-01-30  Andrew Haley  <aph@cambridge.redhat.com>
13173
13174         * config/stormy16/stormy16.md (pushqi): New.
13175         (popqi): New.
13176         (pushhi): New.
13177         (pophi): New.
13178         (movhi): Remove stack operands.
13179         (movqi): Likewise.
13180         * config/stormy16/stormy16.h (PREDICATE_CODES): Add
13181         nonimmediate_nonstack_operand.
13182         * config/stormy16/stormy16.c (nonimmediate_nonstack_operand):
13183         New.
13184         * config/stormy16/stormy16-protos.h (nonimmediate_nonstack_operand)
13185         New.
13186
13187 2002-01-31  Jason Merrill  <jason@redhat.com>
13188
13189         * Makefile.in (c-parse.c): Handle .output file.
13190         * objc/Make-lang.in (objc-parse.c): Likewise.
13191
13192 2002-02-01  Alexandre Oliva  <aoliva@redhat.com>
13193
13194         * config/mips/mips.h (ENDIAN_SPEC): Output the endianness flag if
13195         the -me[lb] option is given.  Don't output the default flag
13196         twice.
13197
13198 2002-01-31  Zack Weinberg  <zack@codesourcery.com>
13199
13200         * c-lex.c (yyparse): Call debug_hooks->start_source_file for
13201         the primary source file; this has not been done yet.
13202         * c-decl.c (c_expand_body): Reset input_filename from
13203         DECL_SOURCE_FILE (fndecl) before calling init_function_start.
13204
13205 2002-01-31  Kazu Hirata  <kazu@hxi.com>
13206
13207         * rtlanal.c (subreg_regno_offset): Do not use
13208         SUBREG_REGNO_OFFSET.
13209         * system.h: Add SUBREG_REGNO_OFFSET to the GCC poison list.
13210         * doc/tm.texi (SUBREG_REGNO_OFFSET): Remove.
13211
13212 2002-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>
13213
13214         * gccbug.in: Follow GNU Coding Standards for --version.  Use GCC
13215         version rather than GNATS version in --version output.
13216
13217 2002-01-31  Richard Sandiford  <rsandifo@redhat.com>
13218
13219         * ifcvt.c (noce_process_if_block): Make a copy of the destination
13220         when copying back from a temporary.
13221
13222 2002-01-30  Richard Henderson  <rth@redhat.com>
13223
13224         * ifcvt.c (dead_or_predicable): Handling merging when other_bb
13225         and new_dest are the same.
13226
13227 2002-01-30  Richard Henderson  <rth@redhat.com>
13228
13229         PR opt/5076
13230         * rtl.h (NOTE_INSN_LOOP_END_TOP_COND): New.
13231         * rtl.c (note_insn_name): Update.
13232         * emit-rtl.c (remove_unnecessary_notes): Kill it.
13233         * stmt.c (expand_end_loop): Kill jump opt code.  Use LOOP_END_TOP_COND
13234         to perform loop rotation.
13235         (expand_exit_loop_top_cond): New.
13236         * tree.h (expand_exit_loop_top_cond): Declare it.
13237         * c-semantics.c (genrtl_while_stmt): Use it.
13238         (genrtl_for_stmt): Likewise.
13239
13240 2002-01-30  Alexandre Oliva  <aoliva@redhat.com>
13241
13242         * config/mips/mips.h (PARM_BOUNDARY): Guarantee alignment of
13243         arguments to 64-bit boundaries on 64-bit ABIs.
13244
13245 2002-01-30  Steve Ellcey  <sje@cup.hp.com>
13246
13247         * loop.c (loop_invariant_p): Special case pic_offset_table_rtx.
13248
13249 2002-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>
13250
13251         * c-decl.c (grokdeclarator): Handle type being a typedef for an
13252         invalid type.
13253
13254 2002-01-30  David O'Brien  <obrien@FreeBSD.org>
13255
13256         * config.gcc: Include sparc/biarch64.h rather than sparc/sparc_bi.h.
13257         * config/sparc/sparc_bi.h: Remove file.
13258         * config/sparc/biarch64.h: New file (rename of sparc_bi.h).
13259
13260 2002-01-30  Richard Henderson  <rth@redhat.com>
13261
13262         * sched-deps.c (sched_analyze): Make a call read the frame pointer.
13263
13264 2002-01-30  Zack Weinberg  <zack@codesourcery.com>
13265
13266         * expmed.c (emit_store_flag): Call protect_from_queue on op0 and op1.
13267
13268 2002-01-30  Jason Merrill  <jason@redhat.com>
13269
13270         * dwarf2out.c (dwarf_cfi_name): Add other DWARF 3 codes.
13271         (output_cfi): Likewise. Disable DW_CFA_GNU_negative_offset_extended.
13272         (reg_save): Use DW_CFA_offset_extended_sf instead.
13273
13274         * dwarf2out.c (dwarf2out_finish): Don't abort if there were errors.
13275
13276 2002-01-29  Jakub Jelinek  <jakub@redhat.com>
13277
13278         * cselib.c (cselib_record_sets): Use IF_THEN_ELSE result
13279         in cselib_lookup.
13280
13281 2002-01-29  Aldy Hernandez  <aldyh@redhat.com>
13282
13283         * rs6000.md ("*call_value_local32"): Remove constraints.
13284         ("*call_value_local64"): Same.
13285         ("*call_value_indirect_nonlocal_aix32"): Same.
13286         ("*call_value_nonlocal_aix32"): Same.
13287         ("*call_value_indirect_nonlocal_aix64"): Same.
13288         ("*call_value_nonlocal_aix64"): Same.
13289         ("*call_value_nonlocal_sysv"): Same.
13290
13291 2002-01-29  Richard Henderson  <rth@redhat.com>
13292
13293         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Undef.
13294
13295 2002-01-29  Richard Henderson  <rth@redhat.com>
13296
13297         * expr.c (force_operand): Ignore flag_pic for detecting pic
13298         address loads.
13299         * regclass.c (init_reg_sets_1): Test fixed_regs not flag_pic
13300         for determining if PIC_OFFSET_TABLE_REGNUM is call-clobbered.
13301         * resource.c (mark_target_live_regs): Use regs_invalidated_by_call
13302         instead of open-coded loop.
13303         * doc/tm.texi (PIC_OFFSET_TABLE_REGNUM): Clarify that it must
13304         be fixed when in use.
13305
13306 2002-01-29  Richard Henderson  <rth@redhat.com>
13307
13308         * sched-int.h (struct deps_reg): Add uses_length, clobbers_length.
13309         * sched-rgn.c (propagate_deps): Update them.
13310         * sched-deps.c (sched_analyze_insn): Update them.  Flush the
13311         clobbers list when either gets too long.
13312
13313 2002-01-29  Jakub Jelinek  <jakub@redhat.com>
13314
13315         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Handle LEGACY_REGS
13316         and INDEX_REGS the same as GENERAL_REGS.
13317         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
13318
13319 2002-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>
13320
13321         * tree.c (build_nonstandard_integer_type): Correct prototype.
13322
13323 2002-01-29  Ulrich Weigand  <uweigand@de.ibm.com>
13324
13325         * config/s390/s390.md (movstrsico, movstrdix_64,
13326         movstrsix_31): Remove, replace by ...
13327         (movstrdi_short, movstrsi_short, movstrdi_long,
13328         movstrsi_long): ... these.  New.
13329         (movstrdi, movstrsi): Adapt.
13330
13331         (rotldi3, rotlsi3, ashldi3, *ashldi3_31, *ashldi3_64,
13332         ashlsi3, lshrdi3, *lshrdi3_31, *lshrdi3_64, lshrsi3):
13333         Remove unnecessary CC clobber.
13334         (*ashrdi3_cc_31, *ashrdi3_cconly_31, *ashrdi3_cc_64,
13335         *ashrdi3_cconly_64, *ashrsi3_cc, *ashrsi3_cconly): New.
13336
13337         (divmoddi4): Don't partially initialize TImode register.
13338
13339 2002-01-29  Geoffrey Keating  <geoffk@redhat.com>
13340
13341         * doc/sourcebuild.texi (C Tests): Document gcc.dg/debug directory.
13342
13343 2002-01-29  Richard Henderson  <rth@redhat.com>
13344
13345         * flow.c (print_rtl_and_abort): Remove.
13346         (print_rtl_and_abort_fcn): Remove.
13347         (verify_local_live_at_start): Use dump_bb instead.
13348         (verify_wide_reg): Likewise. Take a basic_block, not rtl endpoints.
13349         (verify_wide_reg_1): Return 2 on mode test failure.
13350
13351 2002-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>
13352
13353         PR c/3325, c/3326, c/2511, c/3347
13354         * c-decl.c (enum_decl_context): Remove BITFIELD.
13355         (grokdeclarator): Take bitfield width as an input.
13356         Ensure bitfields are given the correct type.  Perform
13357         bitfield width validation with build_bitfield_integer_type
13358         rather than waiting for finish_struct.
13359         (grok_typename, grok_typename_in_parm_context, start_decl,
13360         push_parmdecl, grokfield, start_function): Update calls to
13361         grokdeclarator.
13362         (build_bitfield_integer_type): New function.
13363         (finish_struct): Move bitfield validation to grokdeclarator
13364         and build_bitfield_integer_type.
13365         * tree.c (build_nonstandard_integer_type): New function.
13366         * tree.h (build_nonstandard_integer_type): New prototype.
13367 objc:
13368         * objc-act.c (objc_copy_list): Remove DECL_INITIAL kludge.
13369
13370 2002-01-29  Jakub Jelinek  <jakub@redhat.com>
13371
13372         PR other/1502:
13373         * cppinit.c (cpp_handle_option): Add ignore argument, if it is zero,
13374         don't ignore unrecognized -W* options.
13375         (cpp_handle_options): Pass 1 as last argument to cpp_handle_option.
13376         * cpplib.h (cpp_handle_option): Adjust prototype.
13377         * c-decl.c (c_decode_options): Pass 0 as last argument to
13378         cpp_handle_option.
13379
13380         PR c/2896:
13381         * gcc.c (cpp_unique_options): Split from cpp_options.
13382         (cpp_options): Source cpp_unique_options.
13383         (default_compilers): Use cpp_unique_options instead of cpp_options
13384         when used together with cc1_options.
13385         (static_specs): Add cpp_unique_options.
13386         * objc/lang-specs.h: Use cpp_unique_options instead of cpp_options
13387         when used together with cc1_options.
13388
13389 2002-01-29  Kazu Hirata  <kazu@hxi.com>
13390
13391         * config/h8300/h8300-protos.h: Update the prototype of
13392         output_a_shift.
13393         * config/h8300/h8300.c (output_a_shift): Remove an unused
13394         argument 'insn'.  Remove redundant code.
13395         * config/h8300/h8300.md: Adust to the new prototype of
13396         output_a_shift.
13397
13398 2002-01-29  Kazu Hirata  <kazu@hxi.com>
13399
13400         * config/h8300/h8300-protos.h: Update the prototypes of
13401         emit_a_rotate and expand_a_rotate.
13402         * config/h8300/h8300.c (emit_a_rotate): Change the type of the
13403         first argument to 'enum rtx_code'.
13404         (expand_a_rotate): Likewise.
13405
13406 2002-01-28  Kazu Hirata  <kazu@hxi.com>
13407
13408         * config/h8300/h8300-protos.h: Update the prototype of
13409         output_simode_bld.
13410         * config/h8300/h8300.c (output_simode_bld): Remove an argumen
13411         'log2'.
13412         * config/h8300/h8300.md: Adjust to the new prototype.
13413
13414 2002-01-28  Kazu Hirata  <kazu@hxi.com>
13415
13416         * conifg/h8300/h8300.c (h8300_adjust_insn_length): Remove
13417         redundant code.
13418
13419 2002-01-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>
13420
13421         * emit-rtl.c (gen_rtx_REG): Check that the PIC_OFFSET_TABLE_REGNUM
13422         is a fixed register before returning pic_offset_table_rtx.
13423         * loop.c (scan_loop): Don't hoist insns that set pic_offset_table_rtx
13424         when PIC_OFFSET_TABLE_REG_CALL_CLOBBERED is defined.
13425
13426 2002-01-28  Jason Merrill  <jason@redhat.com>
13427
13428         * dwarf2.h: Sync with src version.
13429
13430 2002-01-28  Paul Koning  <pkoning@equallogic.com>
13431
13432         * builtin-types.def (BT_FN_VOID_CONST_PTR_VAR): Replace
13433         BT_FN_VOID_PTR_VAR.
13434         * builtins.def (BUILT_IN_PREFETCH): Change first argument to be const.
13435         * doc/extend.texi (__builtin_prefetch): Update documentation:
13436         first argument is now const void ptr.
13437
13438 2002-01-28  Kazu Hirata  <kazu@hxi.com>
13439
13440         * config/h8300/h8300-protos.h: Remove an unused prototype.
13441
13442 2002-01-28  Roman Zippel  <zippel@linux-m68k.org>
13443
13444         * toplev.c (lang_independent_init): Round up identifier size.
13445
13446 2002-01-28  Richard Earnshaw  <rearnsha@arm.com>
13447
13448         * config.gcc: Revert previous change.
13449
13450 2002-01-28  Andris Pavenis  <pavenis@latnet.lv>
13451
13452         * config/i386/djgpp.h: Use STRIP_NAME_ENCODING in macro UNIQUE_SECTION
13453
13454 2002-01-28  Richard Earnshaw  <rearnsha@arm.com>
13455
13456         * config.gcc (*-*-netbsdelf*): Set up generic parameters.
13457         (*-*-netbsd*): Always use collect2.  Remove collect2 settings from
13458         other non-elf netbsd config frags.
13459         * config/netbsd-aout.h (STARTFILE_SPEC): Don't pull in c++rt0 since
13460         collect2 will does that.
13461         * config/netbsd.h (LIBGCC_SPEC): Add white space before -lgcc, so that
13462         shared-lib frobbing will work.
13463
13464 2002-01-28  Kazu Hirata  <kazu@hxi.com>
13465
13466         * config/h8300/h8300.h: Fix formatting.
13467         * config/h8300/h8300.md: Likewise.
13468
13469 2002-01-28  Loren J. Rittle  <ljrittle@acm.org>
13470
13471         * fixinc/inclhack.def (strict_ansi_not): Add a bypass based on
13472         the old, removed AAA_standards fix.
13473         * fixinc/fixincl.x: Rebuilt.
13474
13475 2002-01-28  Hans-Peter Nilsson  <hp@axis.com>
13476
13477         * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Change to emit
13478         atexit call in crtbegin, hooked in after call to frame_dummy;
13479         register EH before registering __fini__start.
13480
13481 2002-01-28  Aldy Hernandez  <aldyh@redhat.com>
13482
13483         * config/rs6000/altivec.h: Remove spurious semicolons.
13484
13485 2002-01-27  Kazu Hirata  <kazu@hxi.com>
13486
13487         * config/h8300/h8300.md: Replace dead bit extraction patterns
13488         with ones that work.
13489
13490 Sun Jan 27 13:23:40 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13491
13492         * emit-rtl.c (get_mem_attrs): Don't default alignment for non-BLKmode
13493         if not STRICT_ALIGNMENT.
13494         * rtl.h (MEM_ALIGN): Likewise.
13495
13496 2002-01-27  Craig Rodrigues  <rodrigc@gcc.gnu.org>
13497
13498         * doc/invoke.texi (-fdump-translation-unit): Revert this
13499         patch: 2001-10-21  Craig Rodrigues  <rodrigc@gcc.gnu.org>
13500
13501 2002-01-27  Kazu Hirata  <kazu@hxi.com>
13502
13503         * config/h8300/h8300.md (define_constants): New.
13504         (anonymous patterns) Use defined constants appropriately.
13505
13506 2002-01-27  Kazu Hirata  <kazu@hxi.com>
13507
13508         * config/h8300/h8300.c (function_arg): Remove redundant code.
13509
13510 2002-01-26  Richard Henderson  <rth@redhat.com>
13511
13512         * sched-deps.c (reg_pending_uses_head): New.
13513         (reg_pending_barrier): Rename from reg_pending_sets_all.
13514         (find_insn_list): Don't mark inline.
13515         (find_insn_mem_list): Remove.
13516         (add_dependence_list, add_dependence_list_and_free): New.
13517         (flush_pending_lists): Replace only_write param with separate
13518         for_read and for_write parameters.  Update all callers.  Use
13519         add_dependence_list_and_free.
13520         (sched_analyze_1): Do not add reg dependencies here; just set
13521         the pending bits.  Use add_dependence_list.
13522         (sched_analyze_2): Likewise.
13523         (sched_analyze_insn): Replace schedule_barrier_found with
13524         reg_pending_barrier.  Add all dependencies for pending reg
13525         uses, sets, and clobbers.
13526         (sched_analyze): Don't add reg dependencies for calls, just
13527         set pending bits.  Use regs_invalidated_by_call.  Treat
13528         sched_before_next_call as a normal list, not a fake insn.
13529         (init_deps): No funny init for sched_before_next_call.
13530         (free_deps): Free pending mems lists.  Don't zero reg_last.
13531         (init_deps_global): Init reg_pending_uses.
13532         (finish_deps_global): Free it.
13533         * sched-int.h (deps): Make in_post_call_group_p boolean.  Update docs.
13534         (find_insn_mem_list): Remove.
13535         * sched-rgn.c (concat_INSN_LIST, concat_insn_mem_list): New.
13536         (propagate_deps): Use them.  Zero temp mem lists.
13537
13538 2002-01-26  Richard Henderson  <rth@redhat.com>
13539
13540         * Makefile.in (CRTSTUFF_CFLAGS): New.
13541         (crtbegin.o, crtend.o, crtbeginS.o, crtendS.o, crtbeginT.o): Use it.
13542         * config.gcc (alpha-linux, alpha-freebsd, alpha-netbsd): Use plain
13543         crtstuff.c instead of alpha assembly version.
13544         * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Rewrite to assume the
13545         entire dummy function sequence.  Use FORCE_CODE_SECTION_ALIGN
13546         not FORCE_{INIT,FINI}_SECTION_ALIGN.
13547         (__do_global_dtors_aux): Mark used.
13548         (frame_dummy, __do_global_ctors_aux): Mark used.
13549         (fini_dummy, init_dummy): Remove.
13550
13551         * config/alpha/crtbegin.asm: Remove file.
13552         * config/alpha/crtend.asm: Remove file.
13553         * config/alpha/t-crtbe: Remove file.
13554         * config/alpha/elf.h (CRT_CALL_STATIC_FUNCTION): New.
13555         (LINK_EH_SPEC): New.
13556
13557         * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Rewrite old
13558         FORCE_INIT_SECTION_ALIGN hack.  Register __fini_start before
13559         calling constructors.
13560         * config/cris/linux.h (CRT_CALL_STATIC_FUNCTION): Undef.
13561
13562         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): New.
13563         * config/i386/linux.h (CRT_CALL_STATIC_FUNCTION): Replace old
13564         CRT_END_INIT_DUMMY hack.
13565         * config/i386/sol2.h (FORCE_CODE_SECTION_ALIGN): Replace
13566         FORCE_{INIT,FINI}_SECTION_ALIGN.
13567
13568         * config/mcore/mcore-elf.h (FORCE_CODE_SECTION_ALIGN): Replace
13569         FORCE_{INIT,FINI}_SECTION_ALIGN.
13570
13571         * config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Update for new
13572         invocation sequence.
13573         * config/sh/sh.h (CRT_CALL_STATIC_FUNCTION): Likewise.
13574
13575         * doc/tm.texi (CRT_CALL_STATIC_FUNCTION): Update.
13576         (FORCE_CODE_SECTION_ALIGN): New.
13577
13578 2002-01-26  Richard Henderson  <rth@redhat.com>
13579
13580         * config/cris/cris.c (cris_print_operand): Handle 64-bit CONST_INT.
13581
13582 2002-01-26  Richard Henderson  <rth@redhat.com>
13583
13584         * config/alpha/alpha.c (alpha_sa_mask): Mark RA for unicos here too.
13585         (alpha_sa_size): Use alpha_sa_mask to compute size of saved regs.
13586
13587 2002-01-26  Kazu Hirata  <kazu@hxi.com>
13588
13589         * config/h8300/h8300.md: Remove bit extraction patterns that
13590         cannot be triggered.
13591         Restrict each bit extraction pattern to a variant on which the
13592         pattern is tested.
13593
13594 2002-01-26  Joseph S. Myers  <jsm28@cam.ac.uk>
13595
13596         * doc/include/texinfo.tex: Update to version 2002-01-04.07.
13597
13598 2002-01-26  Kazu Hirata  <kazu@hxi.com>
13599
13600         * config/h8300/h8300.md: Remove bit test patterns that cannot
13601         be triggered.
13602         Restrict each bit test pattern to a variant on which the
13603         pattern is tested.
13604
13605 2002-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13606
13607         * builtins.c (expand_builtin_strncat): Remove redundant check for
13608         INTEGER_CST.
13609
13610 2002-01-25  David O'Brien  <obrien@FreeBSD.org>
13611
13612         * config/i386/x86-64.h (DEFAULT_PCC_STRUCT_RETURN): Do not overide
13613         default setting.
13614         * config/i386/freebsd64.h (DEFAULT_PCC_STRUCT_RETURN): Do not override
13615         existing setting.
13616
13617 2002-01-25  Geoffrey Keating  <geoffk@redhat.com>
13618
13619         * dbxout.c (dbxout_init): Use assemble_name rather than just
13620         stripping off the first character.
13621         (dbxout_source_file): Likewise.
13622
13623 2002-01-25  DJ Delorie  <dj@redhat.com>
13624
13625         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Compare
13626         using rtx_equal_p, not by comparing pointers.
13627
13628 2002-01-25  Steve Ellcey  <sje@cup.hp.com>
13629
13630         * emit-rtl.c (gen_rtx_REG): Always return the same rtx
13631         for PIC_OFFSET_TABLE_REGNUM.
13632         (init_emit_once): Use gen_raw_REG to initialize pic_offset_table_rtx.
13633
13634 2002-01-25  David O'Brien  <obrien@FreeBSD.org>
13635
13636         * config.gcc (x86_64-*-freebsd*): New target.
13637         (x86_64-*-netbsd*,x86_64-*-linux*): Use ${tm_file} rather than its
13638         value.
13639         (i[34567]86-*-freebsd*): Don't include svr4.h.
13640         * config/i386/freebsd64.h: New file.
13641
13642 2002-01-25  Douglas B Rupp  <rupp@gnat.com>
13643
13644         * config/alpha/x-vms (version): Make static.
13645
13646         * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Fix error
13647         in previous checkin.
13648
13649         * Makefile.in (install-headers-cp): New target.
13650         * config.gcc (alpha-dec-*vms*): Install headers with
13651         install-headers-cp
13652
13653 Fri Jan 25 22:42:49 CET 2002  Jan Hubicka  <jh@suse.cz>
13654
13655         * unroll.c (unroll_loop): Lower final_value to nonmemory operand;
13656         avoid it's copies.
13657
13658 Fri Jan 25 08:26:19 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13659
13660         * builtins.c (expand_builtin_strncpy): Use integer_zerop instead
13661         of compare_tree_int.
13662         (expand_builtin_strncat): Likewise.
13663         * c-decl.c (finish_struct): Use tree_low_cst.
13664         * tree.h (compare_tree_int): Arg is unsigned HOST_WIDE_INT.
13665         * tree.c (compare_tree_int): Likewise.
13666
13667 2002-01-25  Ulrich Weigand  <uweigand@de.ibm.com>
13668
13669         * reload1.c (eliminate_regs_in_insn): Recognize frame pointer
13670         adjustments even if they are implemented by more than two insns.
13671
13672 Fri Jan 25 20:43:56 CET 2002  Jan Hubicka  <jh@suse.cz>
13673
13674         * df.c (df_ref_create, df_ref_record_1, df_ref_record): Kill BB arg.
13675         * df.h (struct ref): Kill B.
13676         (DF_REF_BB, DF_REF_BBNO): Use BLOCK_FOR_INSN.
13677
13678         * basic-block.h (PROP_EQUAL_NOTES): New flag.
13679         * flow.c (propagate_one_insn): Use it.
13680         (mark_used_regs): Handle NIL.
13681
13682 2002-01-25  Geoffrey Keating  <geoffk@redhat.com>
13683
13684         * config/stormy16/stormy16.md (tablejump_pcrel): Use a MEM
13685         to help folding.
13686
13687 2002-01-25  David Edelsohn  <edelsohn@gnu.org>
13688
13689         * rs6000.md (prefetch): Make address V4SI mode so that the address
13690         is restricted to legitimate form for instruction.
13691
13692 2002-01-25  Bob Wilson  <bob.wilson@acm.org>
13693
13694         * doc/install.texi (xtensa-*-elf): New target.
13695         (xtensa-*-linux*): New target.
13696         * doc/contrib.texi: Add myself.
13697
13698 2002-01-25  Nick Clifton  <nickc@cambridge.redhat.com>
13699
13700         * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any general
13701         purpose register to hold an SImode (or smaller) value.
13702
13703 2002-01-25  Jakub Jelinek  <jakub@redhat.com>
13704
13705         * unwind-dw2-fde-glibc.c: If inhibit_libc, use __register_frame*
13706         registry only.
13707         * crtstuff.c: Likewise.
13708
13709 2002-01-25  Kazu Hirata  <kazu@hxi.com>
13710
13711         * config/h8300/h8300.md (negation patterns): Tighten
13712         predicates to register_operand.
13713
13714 2002-01-24  Aldy Hernandez  <aldyh@redhat.com>
13715
13716         * loop.c (emit_prefetch_instructions): Use the prefetch insn's
13717         mode, not Pmode.
13718
13719         * builtins.c (expand_builtin_prefetch): Same.
13720
13721 2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
13722
13723         * config/sh/sh.md (sym_label2reg): Make sure all CONSTs have
13724         modes.
13725
13726 2002-01-24  Kazu Hirata  <kazu@hxi.com>
13727
13728         * config/h8300/h8300.c (print_operand): Remove support for
13729         operand character 'A'.
13730         * config/h8300/h8300.md (three anonymous patterns): Replace
13731         operand character 'A' with either 'T' or 'S'.
13732
13733 2002-01-24  Kazu Hirata  <kazu@hxi.com>
13734
13735         * config/h8300/h8300.c (print_operand): Remove support for
13736         operand character 'U'.
13737
13738 2002-01-24  Andris Pavenis  <pavenis@latnet.lv>
13739
13740         * config/i386/t-djgpp: Use NATIVE_SYSTEM_HEADER_DIR.
13741
13742 2002-01-24  Nick Clifton  <nickc@cambridge.redhat.com>
13743
13744         * config/arm/arm.c (arm_hard_regno_mode_ok): Allow SImode
13745         values to be assigned to the stack pointer.
13746
13747 2002-01-14  Hartmut Penner  <hpenner@de.ibm.com>
13748
13749         * emit_rtl.c (gen_lowpart_common): Conversion from const_int
13750         to const_double needs to be done right for big-endian systems.
13751
13752 2002-01-24  Jason Merrill  <jason@redhat.com>
13753
13754         PR c++/2432
13755         * config/sparc/sparc.md (call-jump peepholes): Pass the right insn
13756         to can_throw_internal.
13757
13758 2002-01-23  Richard Henderson  <rth@redhat.com>
13759
13760         * fold-const.c (fold): Change UINT_MAX test to check vs precision
13761         rather than TYPE_MAX_VALUE.  Fix indentation and a bogus negation.
13762
13763 2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
13764
13765         * config/sh/sh.md (symGOT_load, sym2GOT, sym2GOTOFF): New expands.
13766         (symGOT2reg): Use them, then set as GOT value as unchanging.
13767         (symGOTOFF2reg): Set REG_EQUAL note.  Use a different pseudo
13768         as a temporary, if possible.
13769         (symPLT_label2reg): Enclose (pc) in UNSPEC_PIC.  Emit
13770         sym@PLT-(.LPCS#+2-.) instead of sym@PLT+.-(.LPCS#+2).
13771
13772 2002-01-23  Kazu Hirata  <kazu@hxi.com>
13773
13774         * config/h8300/h8300.md: Fix xorqi and xorqi so that they will
13775         accept to accept 0x80 as operands[2].
13776
13777 2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
13778
13779         * config/sparc/sparc.md (fix_trunctfdi2): Correct typo in mode.
13780
13781 2002-01-23  Richard Henderson  <rth@redhat.com>
13782
13783         * config/alpha/alpha.md (call_value_osf_1_er peepholes): Fix typo.
13784
13785 2002-01-23  Aldy Hernandez  <aldyh@redhat.com>
13786
13787         * c-parse.in (parmlist_or_identifiers): Add maybe_attribute.
13788         (parmlist_or_identifiers_1): Verify that only a parmlist follows
13789         an attribute.
13790
13791 2002-01-23  Richard Henderson  <rth@redhat.com>
13792
13793         * expr.c (move_by_pieces_1): Extend size before negation.
13794
13795         * config/m68k/t-m68kbare (MULTILIB_OPTIONS): Add 68040 and 68060.
13796         (MULTILIB_MATCHES): Remove 68040 and 68060 aliases.
13797         (MULTILIB_EXCEPTIONS): Ignore 68881 and soft-float for 68040 and 68060.
13798         * config/m68k/t-m68kelf: Likewise.
13799
13800 2002-01-23  Bob Wilson  <bob.wilson@acm.org>
13801
13802         * config/xtensa/elf.h: New file.
13803         * config/xtensa/lib1funcs.asm: New file.
13804         * config/xtensa/lib2funcs.S: New file.
13805         * config/xtensa/linux.h: New file.
13806         * config/xtensa/t-xtensa: New file.
13807         * config/xtensa/xtensa-config.h: New file.
13808         * config/xtensa/xtensa-protos.h: New file.
13809         * config/xtensa/xtensa.c: New file.
13810         * config/xtensa/xtensa.h: New file.
13811         * config/xtensa/xtensa.md: New file.
13812         * config.gcc (xtensa-*-elf*): New target.
13813         (xtensa-*-linux*): New target.
13814         * cse.c (canon_hash): Compare rtx pointers instead of register
13815         numbers.  This is required for the Xtensa port.
13816         * integrate.c (copy_insn_list): Handle case where the static
13817         chain is in memory and the memory address has to be copied to
13818         a register.
13819         * doc/invoke.texi (Option Summary): Add Xtensa options.
13820         (Xtensa Options): New node.
13821         * doc/md.texi (Machine Constraints): Add Xtensa machine constraints.
13822
13823 2002-01-23  Zack Weinberg  <zack@codesourcery.com>
13824
13825         * diagnostic.c (internal_error): Do ICE suppression only
13826         when ENABLE_CHECKING is not defined.
13827
13828         * c-typeck.c (require_complete_type): Return error_mark_node
13829         if type is error_mark_node.
13830
13831 2002-01-23  Janis Johnson  <janis187@us.ibm.com>
13832
13833         * toplev.c (process_options): Disable -fprefetch-loop-arrays with
13834         -Os and issue a warning.
13835
13836 2002-01-23  Zack Weinberg  <zack@codesourcery.com>
13837
13838         * doc/fragments.texi, doc/hostconfig.texi: Update to reflect
13839         current (lack of) need for host configuration by hand.
13840
13841         * doc/gccint.texi, doc/rtl.texi, doc/tm.texi: Adjust cross
13842         references.  Documentation of some target macros moved from
13843         hostconfig.texi to tm.texi.
13844
13845 2002-01-23  Will Cohen  <wcohen@redhat.com>
13846
13847         * config/arm/arm.h (THUMB_FUNCTION_PROFILER): Define if not currently
13848         defined.
13849
13850 2002-01-23  Kazu Hirata  <kazu@hxi.com>
13851
13852         * config/h8300/h8300.md (*andorhi3): Accept 0x8000 as an
13853         operand[3].
13854
13855 2002-01-23  Jason Merrill  <jason@redhat.com>
13856
13857         * tree.c (build1): Don't set TREE_READONLY on INDIRECT_REF.
13858
13859         * function.c (assign_parms): Don't put args of inline functions
13860         into registers when not optimizing.
13861
13862 2002-01-23  Nick Clifton  <nickc@cambridge.redhat.com>
13863
13864         * config/arm/arm.md (UNSPEC_PROLOGUE_USE): New unspec constant.
13865         (prologue_use): New pattern.
13866         * config/arm/arm.c (expand_prologue): Use gen_prologue_use in
13867         preference to gen_rtx_USE.
13868         (thumb_expand_prologue): Use gen_prologue_use in preference to
13869         gen_rtx_USE.
13870         (thumb_expand_epilogue): Use gen_prologue_use in preference to
13871         gen_rtx_USE.
13872
13873 2002-01-23  Hans-Peter Nilsson  <hp@bitrange.com>
13874
13875         * loop.c [!HAVE_prefetch] (CODE_FOR_prefetch): Define to 0.
13876
13877 2002-01-23  Neil Booth  <neil@daikokuya.demon.co.uk>
13878
13879         PR c/3504
13880         * doc/extend.texi: Correct documentation of __alignof__.
13881
13882 2002-01-22  Zack Weinberg  <zack@codesourcery.com>
13883
13884         * params.h: Rename arguments of DEFPARAM so that it will be
13885         recognized as a translation keyword.
13886
13887 2002-01-22  Aldy Hernandez  <aldyh@redhat.com>
13888
13889         * extend.texi: Document altivec functions.
13890         Fix N-bit adjectives in X86 builtin documentation.
13891
13892 2002-01-22  Alexandre Oliva  <aoliva@redhat.com>
13893
13894         * reload.c (reg_overlap_mentioned_for_reload_p): Handle PLUS and
13895         auto_inc_dec values.
13896
13897 2002-01-22  Richard Earnshaw  <rearnsha@arm.com>
13898
13899         * config/netbsd-aout.h (SWITCH_TAKES_ARG): Remove bogus white space
13900         after backslash.
13901         (ASM_DECLARE_OBJECT_NAME): Add missing backslash before final line.
13902
13903 2002-01-22  Alexandre Oliva  <aoliva@redhat.com>
13904
13905         * config/i386/freebsd-aout.h (ASM_QUAD): Undefine.
13906
13907 2002-01-22  Richard Henderson  <rth@redhat.com>
13908
13909         * config/alpha/alpha.c (split_small_symbolic_mem_operand): Use
13910         copy_insn not copy_rtx.
13911
13912 2002-01-23  Alan Modra  <amodra@bigpond.net.au>
13913
13914         * combine.c (simplify_and_const_int): Don't trunc_int_for_mode
13915         "nonzero" as that might add "1" bits.  Ensure "constop" is
13916         properly sign extened.
13917         (force_to_mode): Tweak for sign extended constop.
13918
13919 2002-01-22  Richard Henderson  <rth@redhat.com>
13920
13921         * config/alpha/alpha.c (some_small_symbolic_mem_operand) Use
13922         for_each_rtx instead of assuming we're already looking at the MEM.
13923         (split_small_symbolic_mem_operand): Likewise.
13924         * config/alpha/alpha.h (PREDICATE_CODES): Update.
13925         * config/alpha/alpha.md (small symbolic memory splitters): Update.
13926
13927 2002-01-22  Richard Henderson  <rth@redhat.com>
13928
13929         * config/alpha/alpha.md (divmodsi_internal_er): Generate lituse
13930         sequence number for the literal.
13931         (divmoddi_internal_er): Likewise.
13932
13933 2002-01-22  Craig Rodrigues  <rodrigc@gcc.gnu.org>
13934
13935         PR java/4972
13936         * aclocal.m4 (AM_ICONV): Put linking flags for libiconv
13937         in LIBICONV variable.
13938         * configure: Regenerated.
13939
13940 2002-01-22  Krister Walfridsson  <cato@df.lth.se>
13941
13942         * dependence.c (build_def_use): Remove array_idx.
13943
13944         * dwarfout.c (last_filename): Remove.
13945         (output_compile_unit_die): Remove last_filename.
13946
13947 2002-01-22  Roger Sayle  <roger@eyesopen.com>
13948             Richard Henderson  <rth@redhat.com>
13949
13950         PR opt/3640
13951         * fold-const.c (fold): Optimize unsigned comparisons against
13952         UINT_MAX (and similar unsigned constants).
13953
13954 2002-01-22  Janis Johnson  <janis187@us.ibm.com>
13955
13956         * Makefile.in (loop.o): Depend on OPTABS_H.
13957         * loop.c (emit_prefetch_instructions): Check the prefetch operand
13958         against the predicate.
13959
13960         PR target/5379
13961         * config/i386/i386.md (prefetch_sse): Specify "p" as a constraint
13962         for the address operand.
13963
13964 2002-01-22  Richard Henderson  <rth@redhat.com>
13965
13966         * config/alpha/freebsd.h (FUNCTION_PROFILER): Remove.
13967
13968 2002-01-22  Craig Rodrigues  <rodrigc@gcc.gnu.org>
13969
13970         PR other/5450
13971         * config/i386/sysv4.h (CPP_SPEC): Define, and add CPU
13972         preprocessor flags.
13973
13974 2002-01-22  Jason Thorpe  <thorpej@wasabisystems.com>
13975
13976         * config.gcc (x86_64-*-netbsd*): New target.
13977         * config/i386/netbsd64.h: New file.
13978
13979 2002-01-22  Aldy Hernandez  <aldyh@redhat.com>
13980
13981         * regrename.c (kill_value): Fix typo.
13982
13983 2002-01-22  Aldy Hernandez  <aldyh@redhat.com>
13984
13985         * doc/tm.texi: Remove STARTING_FRAME_PHASE.
13986
13987         * config/rs6000/rs6000.h: Same.
13988
13989         * function.c (instantiate_virtual_regs): Remove
13990         STARTING_FRAME_PHASE.
13991         (assign_stack_local_1): Same.
13992         Calculate frame phase.
13993
13994 2002-01-22  Nick Clifton  <nickc@redhat.com>
13995
13996         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move 'regno'
13997         variable declaration to outer scope in order to simplify
13998         future extensions.
13999         (HARD_REGNO_MODE_OK): Replace macro body with a with a call to
14000         arm_hard_regno_mode_ok.
14001         * config/arm/arm-protos.h: Add a prototype for
14002         arm_hard_regno_mode_ok.
14003         * config/arm/arm.c (soft_df_operand): Remove now redundant
14004         check for DImode values using IP_REGNUM.
14005         (nonimmediate_soft_df_operand): Remove now redundant check for
14006         DImode values using IP_REGNUM.
14007         (arm_hard_regno_mode_ok): New function. New check: make sure
14008         that DImode values are not stored in IP_REGNUM.
14009
14010         * config/arm/arm.c (arm_expand_prologue): Replace REG_MAYBE_DEAD
14011         note with a USE.
14012         (thumb_expand_prologue): Replace REG_MAYBE_DEAD note with a USE.
14013
14014 2002-01-22  Jason Merrill  <jason@redhat.com>
14015
14016         * c-semantics.c (genrtl_compound_stmt): Only check nesting
14017         consistency if this COMPOUND_STMT is scoped.
14018
14019 2002-01-22  Kazu Hirata  <kazu@hxi.com>
14020
14021         * predict.c: Fix formatting.
14022         * print-tree.c: Likewise.
14023         * protoize.c: Likewise.
14024         * real.h: Likewise.
14025         * rtl.h: Likewise.
14026         * sbitmap.h: Likewise.
14027         * scan.c: Likewise.
14028         * sched-deps.c: Likewise.
14029         * sched-vis.c: Likewise.
14030         * sdbout.c: Likewise.
14031         * sibcall.c: Likewise.
14032         * ssa.c: Likewise.
14033         * ssa-ccp.c: Likewise.
14034         * ssa-dce.c: Likewise.
14035         * stmt.c: Likewise.
14036         * stor-layout.c: Likewise.
14037         * system.h: Likewise.
14038
14039 Tue Jan 22 06:26:33 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14040
14041         * tree.c (int_fits_type_p): If bounds of a subtype are variable, see
14042         if fits in bounds of base type.
14043
14044         * dwarf2out.c (equate_decl_number_to_die): Add "int" to decls.
14045         (loc_descriptor_from_tree, case CALL_EXPR, case ADDR_EXPR): New.
14046         (add_bound_info, default): If can't find a context, make a
14047         SAVE_EXPR.
14048         (dwarf2out_finish): Check for SAVE_EXPR in node->created_for.
14049
14050 2002-01-22  Hans-Peter Nilsson  <hp@axis.com>
14051
14052         * c-typeck.c (parser_build_binary_op): If result from
14053         build_binary_op is ERROR_MARK just return error_mark_node without
14054         further processing.
14055
14056 2002-01-21  Jason Thorpe  <thorpej@wasabisystems.com>
14057
14058         * config/netbsd.h (TARGET_HAS_F_SETLKW): define.
14059         Split a.out-specific bits into...
14060         * config/netbsd-aout.h: ...this.
14061         * config/netbsd-elf.h: New file.
14062         * config/alpha/netbsd-elf.h: Remove.
14063         * config/alpha/netbsd.h: Rewrite for a NetBSD/alpha ELF target.
14064         * config/i386/netbsd-elf.h (LIB_SPEC): Remove.
14065         (STARTFILE_SPEC): Remove redundant definition.
14066         (ENDFILE_SPEC): Likewise.
14067         (LINK_SPEC): Likewise.
14068         (CPP_SPEC): Likewise.
14069         (ASM_SPEC): Likewise.
14070         (LIB_SPEC): Likewise.
14071         (SWITCH_TAKES_ARG): Likewise.
14072         (TARGET_MEM_FUNCTIONS): Likewise.
14073         (CPP_PREDEFINES): Redefine.
14074         (ASM_FINAL_SPEC): Remove redefinition.
14075         (ASM_COMMENT_START): Redefine.
14076         (FUNCTION_PROFILER): Define.
14077         (TARGET_VERSION): Redefine.
14078         Comment and formatting cleanup.
14079         * config/i386/netbsd.h: Include <netbsd-aout.h>.
14080         * config/m68k/netbsd.h: Include <netbsd-aout.h>.
14081         * config/mips/netbsd.h: Rewrite for NetBSD/mips ELF target,
14082         big- or little-endian.
14083         * config/ns32k/netbsd.h: Include <netbsd-aout.h>.
14084         * config.gcc (*-*-netbsd*): Add definitions common to all
14085         NetBSD configs.
14086         (alpha*-*-netbsd*): Remove redundant xm_defines, gas, and
14087         gnu_ld definitions.  Add netbsd-elf.h to and remove
14088         alpha/netbsd-elf.h from tm_file.  Remove alpha/t-crtfm from
14089         tmake_file, and don't lose previous tmake_file contents.
14090         (arm*-*-netbsd*): Add netbsd-aout.h to tm_file.
14091         (i[34567]86-*-netbsdelf*): Remove redundant xm_defines, gas, and
14092         gnu_ld definitions.  Add netbsd-elf.h to tm_file.
14093         (mips-dec-netbsd*): Remove as alias for mipsel-*-netbsd*.
14094         (mipsel-*-netbsd*): Rename this to...
14095         (mips*-*-netbsd*): ...this.  Add elfos.h to tm_file.  Add
14096         mips/little.h to tm_file for mips*el-*.
14097         (powerpc-*-netbsd*): Remove redundant xm_defines definition.
14098         (sparc-*-netbsd*): Add netbsd-aout.h to tm_file.
14099         (vax-*-netbsd*): Add netbsd-aout.h to tm_file.
14100
14101 2002-01-21  John David Anglin  <dave@hiauly1.hia.nrc.ca>
14102
14103         * pa-protos.h (reg_before_reload_operand): New function prototype.
14104         * pa.c (reg_before_reload_operand): New function implementation.
14105         * pa.md (decrement_and_branch_until_zero, movb): Use it.  Change "!*m"
14106         contraints to "*m".
14107
14108 2002-01-21  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
14109
14110         * combine.c (simplify_and_const_int): Properly sign-extend CONSTOP.
14111
14112 2002-01-21  John David Anglin  <dave@hiauly1.hia.nrc.ca>
14113
14114         * pa64-hpux.h (MD_EXEC_PREFIX): Set to "/usr/ccs/bin".
14115         (MD_STARTFILE_PREFIX): Set to "/usr/ccs/lib/pa20_64/".
14116         (MD_STARTFILE_PREFIX_1): Set to "/opt/langtools/lib/pa20_64/".
14117         (EH_FRAME_IN_DATA_SECTION): Define and update comment on init sections.
14118         (ENDFILE_SPEC): Undefine.
14119         (STARTFILE_SPEC): Redefine for PA.
14120
14121 2002-01-21  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
14122
14123         * config/rs6000/t-ppccomm (CRTSTUFF_T_CFLAGS_S): Re-add -fPIC.
14124
14125 2002-01-21  Daniel Jacobowitz  <drow@mvista.com>
14126
14127         * config.gcc: Add entries to supported PowerPC --with-cpu
14128         types.
14129
14130 2002-01-21  Jakub Jelinek  <jakub@redhat.com>
14131
14132         * config/i386/i386.c (ix86_function_arg_regno_p): Never return
14133         true for 64-bit mode only SSE registers in 32-bit mode.
14134
14135 2002-01-21  Kazu Hirata  <kazu@hxi.com>
14136
14137         * unwind-dw2.c: Fix formatting.
14138         * unwind-dw2-fde.c: Likewise.
14139         * unwind-dw2-fde.h: Likewise.
14140         * unwind-pe.h: Likewise.
14141         * varasm.c: Likewise.
14142         * varray.h: Likewise.
14143
14144 2002-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
14145
14146         Remove workaround for register stack overwrite bug in mmix.
14147         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Remove
14148         support for TARGET_REG_STACK_FILL_BUG.
14149         * config/mmix/mmix.h: Remove member has_call_without_parameters.
14150         (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_REG_STACK_FILL_BUG):
14151         Delete.
14152         (TARGET_DEFAULT): Remove TARGET_MASK_REG_STACK_FILL_BUG.
14153         (TARGET_SWITCHES): Remove -mreg-stack-fill-bug-workaround and
14154         -mno-reg-stack-fill-bug-workaround.
14155         * config/mmix/mmix.md ("call", "call_value"): Don't set struct
14156         machine member has_call_without_parameters.
14157         * doc/invoke.texi (Option Summary) <MMIX Options>: Remove
14158         -mreg-stack-fill-bug-workaround and
14159         -mno-reg-stack-fill-bug-workaround.
14160         (MMIX Options): Ditto.
14161
14162 2002-01-21  Kazu Hirata  <kazu@hxi.com>
14163
14164         * config/h8300/h8300.c (function_arg): Replace 0 with NULL_RTX
14165         as appropriate.
14166         Remove redundant code.
14167
14168 2002-01-21  Joseph S. Myers  <jsm28@cam.ac.uk>
14169
14170         * config/alpha/alpha.h, config/arc/arc.h, config/avr/avr.h,
14171         config/c4x/c4x.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
14172         config/fr30/fr30.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h,
14173         config/mips/mips.h, config/rs6000/rs6000.h, config/sparc/sparc.h,
14174         config/stormy16/stormy16.h, config/v850/v850.h: Remove commented
14175         out target macro definitions and non-target-specific comments
14176         mostly taken from old versions of the manual.
14177
14178 2002-01-20  Kazu Hirata  <kazu@hxi.com>
14179
14180         * config/h8300/h8300.h: Fix comment formatting.
14181         * config/ia64/aix.h: Likewise.
14182         * config/ia64/ia64-protos.h: Likewise.
14183         * config/ia64/ia64.c: Likewise.
14184         * config/ia64/ia64.h: Likewise.
14185         * config/ia64/ia64intrin.h: Likewise.
14186         * config/ia64/linux.h: Likewise.
14187         * config/ia64/unwind-aix.c: Likewise.
14188         * config/ia64/unwind-ia64.c: Likewise.
14189
14190 2002-01-20  Kazu Hirata  <kazu@hxi.com>
14191
14192         * config/h8300/h8300.c: Revise comments about shift code.
14193
14194 2002-01-20  Kazu Hirata  <kazu@hxi.com>
14195
14196         * config/h8300/h8300.c (function_arg): Update a comment.
14197
14198 2002-01-20  Kazu Hirata  <kazu@hxi.com>
14199
14200         * config/h8300/h8300.md: Update the comments at the beginning
14201         of the file.
14202
14203 2002-01-20  Kazu Hirata  <kazu@hxi.com>
14204
14205         * config/i370/i370.c: Fix comment formatting.
14206         * config/i370/i370.h: Likewise.
14207         * config/i370/i370.md: Likewise.
14208         * config/i370/linux.h: Likewise.
14209
14210 Sun Jan 20 18:40:14 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14211
14212         * reg-stack.c (subst_stack_regs): Properly check for deleted insn.
14213
14214         * dwarf2out.c (loc_descriptor_from_tree): Add TRUTH_*_EXPR cases.
14215         (gen_struct_or_union_type_die): Don't SIGSEGV if no TYPE_STUB_DECL
14216         in incomplete case.
14217
14218 2002-01-20  Graham Stott  <grahams@redhat.com>
14219
14220         * cfgloop.c (flow_loop_preheader_scan): Fix typo.
14221
14222 2002-01-19  John David Anglin  <dave@hiauly1.hia.nrc.ca>
14223
14224         * config.gcc (hppa*64*-*-hpux11*): Fix tmake_file.
14225
14226 2002-01-19  Tom Rix  <trix@redhat.com>
14227
14228         * config/rs6000/rs6000.md: Fix DF split for 64 bit hosts.
14229
14230 2002-01-18  Aldy Hernandez  <aldyh@redhat.com>
14231
14232         * doc/tm.texi (STARTING_FRAME_PHASE): Document.
14233
14234         * function.c (assign_stack_local_1): Adjust x_frame_offset with
14235         STARTING_FRAME_PHASE.
14236         (STARTING_FRAME_PHASE): New.
14237         (instantiate_virtual_regs): Check saneness of
14238         STARTING_FRAME_PHASE.
14239
14240         * config/rs6000/rs6000.h (STARTING_FRAME_PHASE): New.
14241
14242 2002-01-19  Alexandre Oliva  <aoliva@redhat.com>
14243
14244         * config/sh/sh.md (movdf_i4 split): Fix alter_subreg calls.
14245
14246 2002-01-18  Craig Rodrigues  <rodrigc@gcc.gnu.org>
14247
14248         * doc/install.texi (hppa*-hp-hpux11): Clarify that GCC 2.95.x cannot
14249         be used for bootstrapping GCC 3.0.
14250
14251 2002-01-18  Kazu Hirata  <kazu@hxi.com>
14252
14253         * config/h8300/h8300.md: Fix an insn length.
14254
14255 2002-01-18  Kazu Hirata  <kazu@hxi.com>
14256
14257         * bitmap.h: Fix comment formatting.
14258         * combine.c: Likewise.
14259         * cppfiles.c: Likewise.
14260         * c-pragma.h: Likewise.
14261         * c-typeck.c: Likewise.
14262         * df.c: Likewise.
14263         * dwarf2out.c: Likewise.
14264         * function.c: Likewise.
14265         * gcc.c: Likewise.
14266         * genattrtab.c: Likewise.
14267         * gthr-win32.h: Likewise.
14268         * haifa-sched.c: Likewise.
14269         * predict.c: Likewise.
14270         * rtlanal.c: Likewise.
14271         * rtl.h: Likewise.
14272         * unwind-dw2-fde.h: Likewise.
14273         * unwind-pe.h: Likewise.
14274         * vmsdbgout.c: Likewise.
14275
14276 Thu Jan 17 15:28:26 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14277
14278         * attribs.c (decl_attributes): Clear ATTR_FLAG_TYPE_IN_PLACE
14279         if type_required and passed decl.
14280
14281 2002-01-17  Aldy Hernandez  <aldyh@redhat.com>
14282
14283         * config.gcc (cpu_type): Include altivec.h in powerpc
14284         extra_headers.
14285         Same for darwin.
14286
14287         * config/rs6000/altivec.h: New.
14288
14289 2002-01-17  David Edelsohn  <edelsohn@gnu.org>
14290
14291         * doc/install.texi (*-ibm-aix*): Update assembler and exception
14292         handling information.
14293         * doc/trouble.texi (Interoperation): Add libstdc++ information
14294         for AIX.
14295         (Misunderstandings): Add template instantiation and static template
14296         member information for AIX.
14297
14298 2002-01-17  Jason Merrill  <jason@redhat.com>
14299
14300         * dbxout.c (dbxout_type): Support const and volatile.
14301
14302         * except.c (add_partial_entry): Remove backwards compatibility code.
14303         (end_protect_partials): Likewise.
14304
14305 2002-01-17  Jakub Jelinek  <jakub@redhat.com>
14306
14307         * config/ia64/ia64.md (prologue_use): New.
14308         * config/ia64/ia64.c (ia64_expand_prologue): Use
14309         gen_prologue_use instead of gen_rtx_USE.
14310         (group_barrier_needed_p): Handle CODE_FOR_prologue_use the same way
14311         as CODE_FOR_pred_rel_mutex.
14312         (ia64_sched_reorder2): Likewise.
14313
14314 2002-01-16  Eric Christopher  <echristo@redhat.com>
14315
14316         * config/mips/r3900.h: Reformat.
14317         (SUBTARGET_CPP_SIZE_SPEC): Remove.
14318         * config/mips/isa3264.h (SUBTARGET_CPP_SIZE_SPEC): Ditto.
14319         * config/mips/mips.h (ABI_GAS_ASM_SPEC): Default to "".
14320         (SUBTARGET_CPP_SIZE_SPEC): Rewrite.
14321         * config/mips/t-elf: Remove mips3 multilib.
14322
14323 2002-01-16  H.J. Lu <hjl@gnu.org>
14324
14325         * config/mips/linux.h: Include "mips/abi64.h".
14326
14327 2002-01-16  H.J. Lu <hjl@gnu.org>
14328
14329         * config/mips/t-linux: New.
14330
14331         * config.gcc: Add mips/t-linux to tmake_file for mips*-*-linux*.
14332
14333         * config/mips/linux.h: Don't include "gofast.h".
14334         (INIT_SUBTARGET_OPTABS): Removed.
14335
14336 2002-01-16  Kazu Hirata  <kazu@hxi.com>
14337
14338         * config/h8300/h8300-protos.h: Replace emit_a_shift with
14339         output_a_shift.
14340         * config/h8300/h8300.c: Likewise.
14341         * config/h8300/h8300.md: Likewise.
14342
14343 2002-01-16  Kazu Hirata  <kazu@hxi.com>
14344
14345         * config/h8300/h8300.md (pushqi1_h8300): Use a tab instead of
14346         spaces after an opcode name.
14347         (pushqi1_h8300hs): Likewise.
14348         (pushhi1_h8300hs): Likewise.
14349
14350 2002-01-16  Kazu Hirata  <kazu@hxi.com>
14351
14352         * doc/extend.texi: Replace "option" with "attribute"
14353         appropriately.
14354
14355 2002-01-16  Jakub Jelinek  <jakub@redhat.com>
14356
14357         * config/alpha/alpha.c (some_small_symbolic_mem_operand): Look into
14358         (and:DI () (const_int -8)).
14359         (split_small_symbolic_mem_operand): Split
14360         (mem (and:DI () (const_int -8)).
14361
14362 2002-01-16  Jakub Jelinek  <jakub@redhat.com>
14363
14364         PR target/5309:
14365         * config/sparc/sparc.c (ultrasparc_adjust_cost): Handle TYPE_IDIV the
14366         same way as TYPE_IMUL.
14367         (ultrasparc_sched_reorder): Likewise.
14368         * config/sparc/sparc.md (type): Add comment to update
14369         ultrasparc_sched_reorder when making changes.
14370
14371 2002-01-16  Kazu Hirata  <kazu@hxi.com>
14372
14373         * doc/invoke.texi: Change the dump file name of block
14374         reordering pass from 28.bbro to 29.bbro.
14375         Mention -dk option.
14376
14377 Wed Jan 16 17:54:22 CET 2002  Jan Hubicka  <jh@suse.cz>
14378
14379         * i386.md (minsf splitter): Fix pasto.
14380
14381 2002-01-16  Nick Clifton  <nickc@cambridge.redhat.com>
14382
14383         * config/arm/arm.c (arm_expand_prologue): Add REG_MAYBE_DEAD note
14384         to frame pointer initialisation instruction.
14385         (thumb_expand_prologue): Add REG_MAYBE_DEAD note to frame pointer
14386         initialisation instruction.
14387         (soft_df_operand): Do not accept the IP register.
14388         (nonimmediate_soft_df_operand): Do not accept the IP register.
14389
14390 2002-01-16  Jakub Jelinek  <jakub@redhat.com>
14391
14392         PR target/5357:
14393         * config/sparc/sparc.c (sparc_override_options): Avoid MASK_V9 and
14394         MASK_V8 being both set.
14395
14396 2002-01-16  Ulrich Weigand  <uweigand@de.ibm.com>
14397
14398         * config/s390/s390.c (s390_emit_prologue): Do not emit USE
14399         insn for GOT register; add REG_MAYBE_DEAD notes instead.
14400         config/s390/s390.md (call, call_value): Add GOT register to
14401         CALL_INSN_FUNCTION_USAGE where needed.
14402         (call_exp, call_value_exp): New.
14403
14404 2002-01-16  Nick Clifton  <nickc@cambridge.redhat.com>
14405
14406         * config/arm/arm.c: General formatting tidy up.
14407
14408 2002-01-16  Graham Stott  <grahams@redhat.com>
14409
14410         * calls.c (try_to_integrate): Use "(size_t)" intermediate
14411         cast and when casting an integer literal to "rtx" pointer.
14412         (expand_call): Likewise.
14413         * flow.c (try_pre_increment): Likewise.
14414         (find_use_as_address): Likewise.
14415         * integrate.c (expand_iline_function): Likewise.
14416         * regmove.c (try_auto_increment): Likewise.
14417
14418 2002-01-16  Graham Stott  <grahams@redhat.com>
14419
14420         * sched-rgn.c (passed): Use sbitmap_free.
14421         (header): Likewise.
14422         (inner): Likewise.
14423         (in_queue): Likewise.
14424         (in_stack): Likewise.
14425
14426 2002-01-15  Eric Christopher  <echristo@redhat.com>
14427
14428         * flow.c (propagate_one_insn): Change to use fatal_insn.
14429
14430 2002-01-15  Kazu Hirata  <kazu@hxi.com>
14431
14432         * expmed.c (extract_fixed_bit_field): Remove unused code.
14433         * system.h: Poison SLOW_ZERO_EXTEND.
14434         * doc/tm.texi: Remove.
14435         * config/1750a/1750a.h (SLOW_ZERO_EXTEND): Remove.
14436         * config/arm/arm.h: Likewise.
14437         * config/avr/avr.h: Likewise.
14438         * config/clipper/clipper.h: Likewise.
14439         * config/convex/convex.h: Likewise.
14440         * config/d30v/d30v.h: Likewise.
14441         * config/dsp16xx/dsp16xx.h: Likewise.
14442         * config/elxsi/elxsi.h: Likewise.
14443         * config/fr30/fr30.h: Likewise.
14444         * config/h8300/h8300.h: Likewise.
14445         * config/i370/i370.h: Likewise.
14446         * config/i386/i386.h: Likewise.
14447         * config/m68k/m68k.h: Likewise.
14448         * config/mips/mips.h: Likewise.
14449         * config/ns32k/ns32k.h: Likewise.
14450         * config/pdp11/pdp11.h: Likewise.
14451         * config/pj/pj.h: Likewise.
14452         * config/s390/s390.h: Likewise.
14453         * config/sh/sh.h: Likewise.
14454         * config/stormy16/stormy16.h: Likewise.
14455         * config/v850/v850.h: Likewise.
14456         * config/vax/vax.h: Likewise.
14457         * config/we32k/we32k.h: Likewise.
14458
14459 2002-01-15  Aldy Hernandez  <aldyh@redhat.com>
14460
14461         * config/rs6000/rs6000.md (altivec_stvx): Add parallels to stvx.
14462         (altivec_lvsl): Change constraint to b.
14463         (altivec_lvsr): Same.
14464         (altivec_lvebx): Same.
14465         (altivec_lvehx): Same.
14466         (altivec_lvewx): Same.
14467         (altivec_lvxl): Same.
14468         (altivec_lvx): Same.
14469         (altivec_stvx): Add parallel.
14470         (altivec_stvxl): Same.
14471         (altivec_stvehx): Same.
14472         (altivec_stvebx): Same.
14473         (altivec_stvebx): Same.
14474
14475 2002-01-15  Aldy Hernandez  <aldyh@redhat.com>
14476
14477         * config.gcc: Change altivec.h to altivec-defs.h.
14478
14479         * config/rs6000/altivec.h: Delete.
14480
14481         * config/rs6000/altivec-defs.h: Add.
14482
14483 2002-01-15  John David Anglin  <dave@hiauly1.hia.nrc.ca>
14484
14485         * vax.c (vax_rtx_cost): Return MAX_COST for unsupported MULT, UDIV
14486         and UMOD modes.
14487
14488         * vax.h (INDEX_TERM_P): Restrict indexing to modes which have a size
14489         less than or equal to eight bytes.
14490
14491         * vax.md (andsi3): Remove constraints and change SET destination
14492         operand type to nonimmediate_operand.
14493         (andhi3, andqi3): Likewise.  Don't clear high order bits of operand 1
14494         when it is a CONST_INT.
14495
14496 2002-01-15  Jason Merrill  <jason@redhat.com>
14497
14498         * c-common.def (FILE_STMT): New code.
14499         * c-common.c (statement_code_p): It's a statement.
14500         * c-common.h (stmt_tree_s): Add x_last_filename.
14501         (FILE_STMT_FILENAME_NODE, FILE_STMT_FILENAME): New macros.
14502         (last_expr_filename): New macro.
14503         * c-semantics.c (begin_stmt_tree): Initialize it.
14504         (add_stmt): If the filename changed, also insert a
14505         FILE_STMT.
14506         (expand_stmt): Handle seeing one.
14507
14508 2002-01-15  Eric Christopher  <echristo@redhat.com>
14509
14510         * flow.c (propagate_one_insn): Add error message and print out
14511         insn for debugging.
14512
14513 2002-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>
14514
14515         * system.h (ASM_IDENTIFY_GCC, STDC_VALUE, TRAMPOLINE_ALIGN,
14516         ASM_IDENTIFY_GCC_AFTER_SOURCE): Poison.
14517         * config/pdp11/pdp11.h (TRAMPOLINE_ALIGN): Rename to
14518         TRAMPOLINE_ALIGNMENT.
14519         * config/arm/arm.h, config/mcore/mcore.h: Likewise.  Change value
14520         to be in bits.
14521         * config/i386/cygwin.h (PCC_BITFIELDS_TYPE_MATTERS): Rename to
14522         PCC_BITFIELD_TYPE_MATTERS.
14523         * config/interix.h (STDC_VALUE): Remove.  Use
14524         STDC_0_IN_SYSTEM_HEADERS.
14525         * config/darwin.h (ASM_IDENTIFY_GCC), config/dsp16xx/dsp16xx.h
14526         (ASM_IDENTIFY_GCC), config/stormy16/stormy16.h (ASM_IDENTIFY_GCC,
14527         ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove.
14528
14529 2002-01-15  Craig Rodrigues  <rodrigc@gcc.gnu.org>
14530
14531         * doc/install.texi (hppa*-hp-hpux11): --enable-threads does
14532         not work on this platform currently.
14533
14534 2002-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>
14535
14536         * c-typeck.c (build_unary_op): Don't wrap msgid argument of
14537         readonly_warning in _().
14538
14539 2002-01-15  Douglas B Rupp  <rupp@gnat.com>
14540
14541         * gcc.c (delete_if_ordinary): Backout previous change.
14542
14543 2002-01-15  Kazu Hirata  <kazu@hxi.com>
14544
14545         * config/h8300/h8300.c (print_operand): Remove support for
14546         unused operand characters.
14547
14548         * read-rtl.c: Fix formatting.
14549         * real.c: Likewise.
14550         * recog.c: Likewise.
14551         * regclass.c: Likewise.
14552         * regmove.c: Likewise.
14553         * reg-stack.c: Likewise.
14554         * reload1.c: Likewise.
14555         * rtlanal.c: Likewise.
14556
14557 2002-01-15  Kazu Hirata  <kazu@hxi.com>
14558
14559         * config/i386/i386.c: Fix formatting.
14560
14561 2002-01-15  Jakub Jelinek  <jakub@redhat.com>
14562
14563         * c-typeck.c (process_init_element): Don't save_expr
14564         COMPOUND_LITERAL_EXPR if just its initializer will be used.
14565
14566 2002-01-15  David Edelsohn  <edelsohn@gnu.org>
14567
14568         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Do not
14569         emit optional traceback table if optimize_size or TARGET_ELF.
14570         * config/rs6000/rs6000.md (prefetch): New.
14571
14572 2002-01-15  Andreas Jaeger  <aj@suse.de>
14573
14574         * config.gcc (x86_64-*-*): Install mmintrin.h and xmmintrin.h.
14575
14576 2002-01-15  Kazu Hirata  <kazu@hxi.com>
14577
14578         * mips-tfile.c: Fix formatting.
14579
14580 Tue Jan 15 00:56:11 CET 2002  Jan Hubicka  <jh@suse.cz>
14581
14582         * unroll.c (final_reg_note_copy): Fix previous commit.
14583
14584 2002-01-14  Kazu Hirata  <kazu@hxi.com>
14585
14586         * config/h8300/h8300-protos.h: Remove the prototype for
14587         eq_operator.
14588         * config/h8300/h8300.c (eq_operator): Remove.
14589
14590 2002-01-14  Richard Henderson  <rth@redhat.com>
14591
14592         * config/i386/i386.md (prefetch): Tidy.
14593         (prefetch_3dnow): Fix locality operand.
14594
14595 2002-01-14  Richard Henderson  <rth@redhat.com>
14596
14597         * config/mips/mips.h (HI_AND_FP_REGS): New register class.
14598         (CLASS_CANNOT_CHANGE_MODE): Disallow HI in little-endian mode.
14599
14600 2002-01-14  Hans-Peter Nilsson  <hp@bitrange.com>
14601
14602         * reload1.c (reload_combine): Pass reg_sum replacement through
14603         copy_rtx in loop performing multiple changes.
14604
14605 2002-01-14  Jakub Jelinek  <jakub@redhat.com>
14606
14607         * except.c (remove_unreachable_regions): New.
14608         (free_eh_status): Clear exception_handler_labels.
14609         (convert_from_eh_region_ranges): Call remove_unreachable_regions.
14610         (find_exception_handler_labels): Don't add the same label more than
14611         once.
14612         (remove_exception_handler_label): Don't die if
14613         find_exception_handler_labels hasn't been called for the current
14614         function yet.
14615
14616 Mon Jan 14 21:26:13 CET 2002  Jan Hubicka  <jh@suse.cz>
14617
14618         * toplev.c (rest_of_compilation): Rebuild jump labels after
14619         gcse.
14620
14621 2002-01-14  Joseph S. Myers  <jsm28@cam.ac.uk>
14622
14623         * doc/extend.texi: Move documentation of X86 built-in functions
14624         here.
14625         * doc/invoke.texi: From here.
14626         * doc/sourcebuild.texi: Document location of documentation for
14627         machine built-in functions.
14628
14629 2002-01-13  Christopher Faylor  <cgf@redhat.com>
14630
14631         * cppfiles.c (TEST_THRESHOLD): New macro.
14632         (SHOULD_MMAP): Ditto.
14633         (read_include_file): Use SHOULD_MMAP macro to decide when mmap should
14634         be used.
14635
14636 Mon Jan 14 20:23:34 CET 2002  Jan Hubicka  <jh@suse.cz>
14637
14638         * unroll.c (final_reg_note_copy): Properly handle
14639         REG_LABEL
14640         (unroll_loops): Fix LOOP_CONDITION heuristics.
14641
14642 2002-01-14  Geoffrey Keating  <geoffk@redhat.com>
14643
14644         * doc/invoke.texi (Xstormy16 Options): Add xstormy16 option.
14645         * doc/md.texi (Machine Constraints): Use @minus{} where appropriate.
14646
14647 Mon Jan 14 20:18:19 CET 2002  Jan Hubicka  <jh@suse.cz>
14648
14649         * cfgcleanup.c (try_forward_edges): Avoid infinite loop at infinite
14650         threaded loop.
14651
14652 2002-01-14  Tom Rix  <trix@redhat.com>
14653
14654         * config/rs6000/rs6000.md: Fix typo with sradi.
14655
14656 2002-01-14  Ulrich Weigand  <uweigand@de.ibm.com>
14657
14658         * config/s390/s390.md (movstrdix_64, movstrsix_31, movstrdi_64,
14659         movstrsi_31, clrstrsi_64, clrstrsi_31): Improve RTL templates.
14660         (clrstrdi, clrstrsi): Adapt callers.
14661
14662         (extendsidi2, zero_extendsidi2): Remove no-conflict blocks.
14663
14664         (movti splitter): Never use register 0 as base register.
14665
14666 2002-01-14  Hartmut Penner  <hpenner@de.ibm.com>
14667
14668         * combine.c (simplify_shift_const): Always generate new rtx
14669         for shift expression instead of reusing given expression.
14670
14671 Mon Jan 14 07:08:55 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14672
14673         * config/alpha/alpha.c (alpha_expand_mov): Don't call
14674         alpha_legitimize_address unless mode is Pmode.
14675
14676 2002-01-13  Geoffrey Keating  <geoffk@redhat.com>
14677
14678         * doc/md.texi (Modifiers): Document the '*' constraint for the
14679         user.
14680
14681         * doc/md.texi (Machine Constraints): Add constraints for xstormy16.
14682         * doc/extend.texi (Function Attributes): 'interrupt' is valid
14683         for xstormy16 too.
14684
14685 2002-01-13  Richard Henderson  <rth@redhat.com>
14686
14687         * reload.c (find_reloads): Use a hard reg destination as reload reg
14688         for an input reload of the source.
14689
14690 2002-01-13  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
14691
14692         * doc/install.texi (Binaries): Make link to ftp.writtenword.com
14693         more generic.
14694
14695 Sun Jan 13 07:23:01 2002  Douglas B Rupp  <rupp@gnat.com>
14696
14697         * Makefile.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2.
14698         * mklibgcc.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2.
14699
14700         * config/alpha/x-vms (USE_COLLECT2): Set to empty.
14701
14702 Sun Jan 13 06:55:31 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14703
14704         * dwarf2out.c (mem_loc_descriptor, case ADDRESSOF): New case.
14705
14706 2002-01-12  Tom Rix  <trix@redhat.com>
14707
14708         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Use ior for
14709         TARGET_POWERPC64.
14710
14711 2002-01-12  Richard Henderson  <rth@redhat.com>
14712
14713         * config/i386/i386.c (bdesc_2arg): Mark psadbw MASK_3DNOW_A.
14714
14715         * doc/invoke.texi: Update Alpha options.
14716
14717         * doc/invoke.texi: Update i386 built-in function lists.
14718
14719 Sat Jan 12 17:38:11 CET 2002  Jan Hubicka  <jh@suse.cz>
14720
14721         * unroll.c (final_reg_note_copy): Avoid crash on REG_LABEL note
14722         referencing outside.
14723
14724 Sat Jan 12 08:54:51 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14725
14726         * diagnostic.c (warn_deprecated_use): Rework to lower indentation.
14727         * expr.c (emit_move_insn_1): Remove warning, use HOST_WIDE_INT for
14728         offsets, and change line folding.
14729         * optabs.c (expand_binop): Remove warnings.
14730         * sdbout.c (sdbout_record_type_name): Constify NAME to avoid warning.
14731
14732 2002-01-12  Graham Stott <grahams@redhat.com>
14733
14734         * attribs.c (handle_deprecated_attribute): constify WHAT.
14735         * diagnostic.c (warn_deprecated_use): Add braces, fixes
14736         dangling else warning and constify WHAT.
14737         * except.h (struct function, struct inline_remap): Move
14738         struct tag forward defs before all prototypes.
14739         (duplicate_eh_regions): Whitespace.
14740
14741 2002-01-12  Nick Clifton  <nickc@cambridge.redhat.com>
14742
14743         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
14744         MODE_BASE_REG_CLASS.
14745         (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Use MODE_BASE_REG_CLASS.
14746
14747 2002-01-12  Richard Henderson  <rth@redhat.com>
14748
14749         * config/i386/i386.c (override_options): If SSE, enable sse prefetch.
14750         (ix86_expand_vector_move): New.
14751         (bdesc_2arg): Remove andps, andnps, orps, xorps.
14752         (ix86_init_mmx_sse_builtins): Make static.  Remove composite builtins.
14753         Remove old prefetch builtins.  Special case the logicals removed above.
14754         (ix86_expand_builtin): Likewise.
14755         (safe_vector_operand): Use V4SFmode, not TImode.
14756         (ix86_expand_store_builtin): Remove shuffle arg.  Update callers.
14757         (ix86_expand_timode_binop_builtin): New.
14758         * config/i386/i386-protos.h: Update.
14759         * config/i386/i386.h (enum ix86_builtins): Update.
14760         * config/i386/i386.md: Correct predicates on MMX/SSE patterns.
14761         Use ix86_expand_vector_move in vector move expanders.
14762         (movti_internal, movti_rex64): Add xorps alternative.
14763         (sse_clrv4sf): Rename and adjust from sse_clrti.
14764         (prefetch): Don't work so hard.
14765         (prefetch_sse, prefetch_3dnow): Use PREFETCH rtx, not UNSPEC.
14766         * config/i386/xmmintrin.h (__m128): Use V4SFmode.
14767         (_mm_getcsr, _mm_setcsr): Fix typo in builtin name.
14768
14769 2002-01-11  Richard Henderson  <rth@redhat.com>
14770
14771         * config/i386/mmintrin.h: New file.
14772         * config/i386/xmmintrin.h: New file.
14773         * config.gcc (i?86-*-*): Add extra_headers.
14774         * simplify-rtx.c (simplify_unary_operation): Handle saturating
14775         truncation codes.
14776         (simplify_binary_operation): Handle saturating arithmetic codes.
14777         * config/i386/i386.c (ix86_expand_sse_comi): Return the full result,
14778         not the lowpart subreg.
14779         (ix86_expand_builtin): Return a TImode dummy register instead of 0
14780         on error.
14781         * config/i386/i386.md (mmx_clrdi): Override memory attribute.
14782
14783 2002-01-12  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
14784
14785         * conflict.c (conflict_graph_compute): Free regsets when finished.
14786         * ssa.c (compute_coalesced_reg_partition): Likewise.
14787
14788 2002-01-12  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14789
14790         * global.c (find_reg): Check for HARD_REGNO_CALL_PART_CLOBBERED
14791         every where we allocate a register.
14792
14793 2002-01-12  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
14794
14795         * gcse.c (compute_pre_data, pre_gcse): Use sbitmap_free.
14796         * lcm.c (compute_earliest, compute_farthest): Likewise.
14797
14798 2002-01-11  Janis Johnson  <janis187@us.ibm.com>
14799
14800         * expr.c (expand_assignment): Fix misuse of MEM_KEEP_ALIAS_SET.
14801
14802 2002-01-11  Janis Johnson  <janis187@us.ibm.com>
14803
14804         * doc/rtl.texi (Insns): Fix 2 typos.
14805
14806 2002-01-11  Joseph S. Myers  <jsm28@cam.ac.uk>
14807
14808         * doc/invoke.texi: Avoid overfull hboxes.  Add summary of D30V
14809         options.  Use @table @gcctabopt for MMIX options.  Add index
14810         entries for MMIX options.  Start new paragraph with first
14811         heading of the machine-dependent options.
14812
14813 2002-01-11  Craig Rodrigues  <rodrigc@gcc.gnu.org>
14814
14815         PR other/5299
14816         * config/ns32k/ns32k.md: Fix spelling mistake of "than" in comments.
14817         * combine.c (force_to_mode): Same.
14818         * reload1.c (clear_reload_reg_in_use): Same.
14819
14820 2002-01-11  Nick Clifton  <nickc@cambridge.redhat.com>
14821
14822         * config/arm/arm.c (arm_gen_constant): Correct test of 'remainder'
14823         and 'subtargets'.
14824
14825 2002-01-11  Andreas Jaeger  <aj@suse.de>,
14826             Brad Lucier <lucier@math.purdue.edu>
14827
14828         * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove wrong
14829         mcpu.
14830
14831 Fri Jan 11 07:35:12 2002  Douglas B Rupp  <rupp@gnat.com>
14832
14833         * config/alpha/vms.h: (MD_FALLBACK_FRAME_STATE_FOR): Fix errors.
14834         Protect with IN_LIBGCC.
14835         (LINK_EH_SPEC): Add required trailing space.
14836
14837 Fri Jan 11 09:25:05 2002  Nicola Pero  <n.pero@mi.flashnet.it>
14838
14839         * c-tree.h: Move function declarations so that they are listed
14840         under the filename which contains them.
14841         (check_identifier, finish_decl_top_level,
14842         lookup_name_current_level_global, shadow_record_fields): Remove.
14843
14844 2002-01-11  Andreas Jaeger  <aj@suse.de>
14845
14846         * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove duplicated
14847         march.
14848
14849 2002-01-10  Richard Henderson  <rth@redhat.com>
14850
14851         * config/alpha/alpha.c (print_operand): Add 'J'.
14852         * config/alpha/alpha.md (call_osf_1_er, call_value_osf_1_er): Take a
14853         new operand with the sequence number for the lituse.  When splitting
14854         the insns, use gen_movdi_er_high_g and generate a sequence number.
14855         (gen_movdi_er_high_g): Print the sequence number if non-zero.
14856
14857 2002-01-10  Aldy Hernandez  <aldyh@redhat.com>
14858
14859         * config/rs6000/rs6000.c (altivec_init_builtins): Add support for
14860         lvebx, lvehx, lvewx, lvxl, lvx, stvx, stvebx, stvehx, stvewx,
14861         stvxl.
14862         (altivec_expand_builtin): Same.
14863         (altivec_expand_stv_builtin): New.
14864
14865         * config/rs6000/rs6000.h (rs6000_builtins): Same.
14866
14867         * config/rs6000/rs6000.md ("altivec_lvebx"): New.
14868         ("altivec_lvehx"): New.
14869         ("altivec_lvewx"): New.
14870         ("altivec_lvxl"): New.
14871         ("altivec_lvx"): New.
14872         ("altivec_stvx"): New.
14873         ("altivec_stvebx"): New.
14874         ("altivec_stvehx"): New.
14875         ("altivec_stvewx"): New.
14876         ("altivec_stvxl"): New.
14877
14878 2002-01-10  Richard Henderson  <rth@redhat.com>
14879
14880         * cfgrtl.c (delete_insn): Assert insn hasn't been deleted yet.
14881         * reload1.c (delete_output_reload): Zap spill_reg_store.  Take
14882         care not to delete instructions twice.
14883
14884 2002-01-10  Zack Weinberg  <zack@codesourcery.com>
14885
14886         * toplev.c: Don't declare environ (it's not used anywhere).
14887         * configure.in: Don't check for declaration of environ.
14888         * config/i386/xm-mingw32.h: Don't #define environ.
14889         * config.in, configure: Regenerate.
14890
14891 2002-01-10  Zack Weinberg  <zack@codesourcery.com>
14892
14893         * configure.in: Set stage1_cflags for powerpc-*-darwin*.
14894         * configure: Regenerate.
14895
14896         * config/interix.h: Set DO_GLOBAL_CTORS_BODY and
14897         DO_GLOBAL_DTORS_BODY here, not in xm-interix.h.
14898         * config/alpha/vms.h: Set INCLUDE_DEFAULTS here, not in
14899         alpha/xm-vms.h.
14900         * config/m68k/t-next: Set OTHER_FIXINCLUDES_DIRS and
14901         LIMITS_H_TEST here, not in m68k/x-next.
14902         * config/rs6000/beos.h: Set STANDARD_INCLUDE_DIR and
14903         SYSTEM_INCLUDE_DIR here, not in rs6000/xm-beos.h.
14904
14905         * config/x-interix: Don't set RANLIB, RANLIB_TEST, SHELL,
14906         LIBGCC2_INCLUDES, or SYSTEM_HEADER_DIR.
14907         * config/alpha/x-vms: Don't set USE_COLLECT2.  Add comments.
14908
14909         * config/i386/x-djgpp: Renamed i386/t-djgpp.
14910         * config/m88k/x-dolph: Renamed m88k/t-dolph.
14911         * config/m88k/x-texXD88: Renamed m88k/t-texXD88.
14912         * config/pa/x-pa-mpeix: Renamed pa/t-mpeix.  Update for
14913         replacement of quadlib.asm with quadlib.c.
14914
14915         * config/x-interix3, config/xm-interix.h, config/i386/x-beos,
14916         config/i386/xm-osf1elf.h, config/rs6000/x-darwin,
14917         config/rs6000/xm-beos.h: Delete file.
14918
14919         * config.gcc: Update to match above changes.
14920
14921 2002-01-10  Kazu Hirata  <kazu@hxi.com>
14922
14923         * config/h8300/h8300.h: Fix comment typos.
14924         * config/h8300/h8300.md: Likewise.
14925         * config/h8300/lib1funcs.asm: Likewise.
14926
14927 2002-01-10  Dale Johannesen  <dalej@apple.com>
14928
14929         PR optimization/5269
14930         * unroll.c (precondition_loop_p): Make *increment be the correct
14931         sign when n_iterations known, to avoid confusing caller.
14932
14933 2002-01-10  Kazu Hirata  <kazu@hxi.com>
14934
14935         * doc/extend.texi (deprecated): Fix a typo.
14936
14937 Thu Jan 10 22:35:54 CET 2002  Jan Hubicka  <jh@suse.cz>
14938
14939         * basic-block.h (update_br_prob_note): Declare.
14940         * cfgcleanup.c (try_simplify_condjump): Call update_br_prob_note.
14941         (try_forward_edges): Care negative frequencies and update note.
14942         (outgoing_edges_match): Tweek conditional merging heuristics.
14943         (try_crossjump_to_edge): use update_br_prob_note.
14944         * cfglayout.c (fixup_reorder_chain): Likewise.
14945         * cfrtl.c (update_br_prob_note): New.
14946         * ifcvt.c (dead_or_predicable): Call update_br_prob_note.
14947
14948         * i386.c (ix86_decompose_address): Return -1 if address contains
14949         shift.
14950         (legitimate_address_p): Require ix86_decompose_address to return 1.
14951
14952         * gcse.c (hash_scan_set): Use CONSTANT_INSN_P.
14953         (cprop_insn): Likewise.
14954
14955 2002-01-10  Kazu Hirata  <kazu@hxi.com>
14956
14957         * toplev.c: Fix formatting.
14958         * tree.c: Likewise.
14959         * tree-dump.c: Likewise.
14960         * unroll.c: Likewise.
14961         * unwind-dw2.c: Likewise.
14962         * unwind-dw2-fde.c: Likewise.
14963         * unwind-dw2-fde-glibc.c: Likewise.
14964         * unwind-sjlj.c: Likewise.
14965
14966 2002-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
14967
14968         * doc/invoke.texi: Document PDP-11 options.
14969
14970 2002-01-10  Kazu Hirata  <kazu@hxi.com>
14971
14972         * config/h8300/h8300.h: Fix formatting.
14973
14974 2002-01-10  Ira Ruben   <ira@apple.com>
14975
14976         Add __attribute__ ((deprecated)).
14977         * extend.texi: Document __attribute__ ((deprecated)).
14978         * invoke.texi: Document -Wno-deprecated-declarations.
14979         * testsuite/g++.dg/other/deprecated.C: New C++ test.
14980         * testsuite/gcc.dg/deprecated.c: New C test.
14981         * attribs.c (enum attrs): Declare handle_deprecated_attribute().
14982         (c_common_attribute_table): Add "deprecated" entry.
14983         (handle_deprecated_attribute): New function.
14984         * c-decl.c (deprecated_states): New enum.
14985         deprecated_state: State of "deprecated" handling.
14986         (start_decl): Set deprecated_state based on attributes.
14987         (grokdeclarator): Test for deprecated uses, propagate attribute.
14988         * c-typeck.c (build_component_ref): Test for deprecated fields.
14989         (build_external_ref): Test for deprecated primaries.
14990         * diagnostic.c (warn_deprecated_use) New function to issue
14991         warnings about __attribute__ ((depricated)) references.
14992         * flags.h (warn_deprecated_decl): Extern declared for
14993         -W[no-]deprecated-declarations option.
14994         * print-tree.c (print_node): Show deprecated flag status.
14995         * toplev.c (warn_deprecated_decl): Defined.
14996         (W_options): Added "deprecated-declaration".
14997         * toplev.h (warn_deprecated_use): Extern declared.
14998         * tree.h (struct tree_common): Define deprecated_flag.
14999         (TREE_DEPRECATED): New macro to access flag.
15000         * cp/call.c (build_call): Test for deprecated calls.
15001         * cp/class.c (add_implicitly_declared_members): Set global
15002         flag to tell grokdeclarator to not issue deprecated warnings.
15003         * cp/cp-tree.h: Add extern for adding_implicit_members.
15004         * cp/decl.c (deprecated_states): New enum.
15005         (start_decl): Set deprecated_state based on attributes.
15006         (grokdeclarator): Test for deprecated uses, propagate attribute.
15007         * cp/lex.c (do_identifier): Test for deprecated primaries.
15008         * cp/typeck.c (build_component_ref): Test for deprecated fields.
15009
15010 2002-01-10  Ira Ruben   <ira@apple.com>
15011
15012         Fix to assign attributes to inline member functions.
15013         * cp/decl.c (start_method): Handle attrlist.
15014
15015 2002-01-10  Kazu Hirata  <kazu@hxi.com>
15016
15017         * combine.c (expand_field_assignment): Use subreg_lsb().
15018
15019 2002-01-10  David Edelsohn  <edelsohn@gnu.org>
15020
15021         * alias.c (find_base_value): Add cases for HIGH, PRE_INC, PRE_DEC,
15022         POST_INC, POST_DEC, PRE_MODIFY, and POST_MODIFY.
15023         (find_base_term): Add cases for TRUNCATE, PRE_MODIFY, and POST_MODIFY.
15024         Recurse for any operand of AND as long as constant is non-zero.
15025
15026 2002-01-10  Kazu Hirata  <kazu@hxi.com>
15027
15028         * config/h8300/h8300.md: Remove constraints from expanders.
15029
15030 2002-01-10  Kazu Hirata  <kazu@hxi.com>
15031
15032         * varasm.c: Fix formatting.
15033         * varray.c: Likewise.
15034         * vmsdbgout.c: Likewise.
15035         * xcoffout.c: Likewise.
15036
15037 Thu Jan 10 17:19:12 CET 2002  Jan Hubicka  <jh@suse.cz>
15038
15039         * cfgcleanup.c (try_forward_edges): Properly initialize nthreaded_edges;
15040         update edge probabilities to match.
15041
15042 2002-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>
15043
15044         * Makefile.in ($(docdir)/gccint.info, gccint.dvi): Add additional
15045         dependencies.
15046         * doc/languages.texi, doc/sourcebuild.texi: New files.
15047         * doc/configfiles.texi: Make a subsubsection.  Update.
15048         * doc/configterms.texi: Add @node.  Remove warning that this isn't
15049         instructions for building GCC.
15050         * doc/makefile.texi: Make a subsection.
15051         * doc/gccint.texi: Update.
15052
15053 Thu Jan 10 16:39:58 CET 2002  Jan Hubicka  <jh@suse.cz>
15054
15055         * i386.md (sse_mov?fcc_const0_?): Fix constraints.
15056
15057 Thu Jan 10 12:45:50 2002  Nicola Pero  <n.pero@mi.flashnet.it>
15058
15059         * doc/cpp.texi: Document the __OBJC__ preprocessor macro.
15060
15061 Thu Jan 10 11:19:18 CET 2002  Jan Hubicka  <jh@suse.cz>
15062
15063         * optabs.c (expand_fix): Look for wider integer modes first.
15064
15065         * i386.md (mov?f): Avoid the fake const double trick for medium
15066         memory model.
15067         (min?f*/max?f*): Prohibit memory operands for i387 variant.
15068         (fop_df_4): Disable for SSE compilation.
15069
15070 2002-01-10  Graham Stott  <grahams@redhat.com>
15071
15072         * dwarf2out.c (indirect_string_alloc, output_indirect_string):
15073         Move prototype into DWARF2_DEBUGGING_INFO conditional block.
15074
15075 2002-01-10  Richard Henderson  <rth@redhat.com>
15076
15077         * config/alpha/alpha.md (extendsidi2_fix): Penalize f/f alternative.
15078
15079 2002-01-10  Richard Henderson  <rth@redhat.com>
15080
15081         * regrename.c (find_oldest_value_reg): Fix typo in mode change check.
15082         (copyprop_hardreg_forward_1): Likewise.  Use mode_change_ok.
15083
15084 2002-01-10  Kazu Hirata  <kazu@hxi.com>
15085
15086         * combine.c (can_combine_p): Fix a comment typo.
15087
15088 2002-01-09  Zack Weinberg  <zack@codesourcery.com>
15089
15090         * Makefile.in (s-gencheck, s-options, s-specs): Handle an
15091         empty list correctly.  Change loop index $t to $f for
15092         consistency with rest of Makefile.
15093
15094 2002-01-08  Aldy Hernandez  <aldyh@redhat.com>
15095
15096         * testuite/gcc.dg/altivec-4.c: Add test for mtvscr, dssall,
15097         mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst.
15098
15099         * config/rs6000/rs6000.c (altivec_expand_builtin): Add support for
15100         mtvscr, dssall, mfvscr, dss, lvsl, lvsr, dstt, dst, dstst, dststt.
15101         (altivec_init_builtins): Same.
15102         (altivec_expand_unop_builtin): Return NULL_RTX on error.
15103         (altivec_expand_binop_builtin): Same.
15104         (altivec_expand_ternop_builtin): Same.
15105         (bdesc_dst): New.
15106
15107         * config/rs6000/rs6000.md ("altivec_mtvscr"): New.
15108         ("altivec_vctuxs"): Fix typo.
15109         ("altivec_vnmsubfp"): Same.
15110         ("altivec_dssall"): New.
15111         ("altivec_mfvscr"): New.
15112         ("altivec_dss"): New.
15113         ("altivec_lvsl"): New.
15114         ("altivec_lvsr"): New.
15115         ("altivec_dstt"): New.
15116         ("altivec_dstst"): New.
15117         ("altivec_dststt"): New.
15118         ("altivec_dst"): New.
15119
15120         * config/rs6000/rs6000.h (rs6000_builtins): Add mtvscr, dssall,
15121         mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst.
15122
15123 2002-01-09  Richard Henderson  <rth@redhat.com>
15124
15125         * config/alpha/alpha.md (prologue_mcount): Remove lituse_jsr reloc.
15126
15127 2002-01-10  Hans-Peter Nilsson  <hp@bitrange.com>
15128
15129         * config/mmix/mmix.c (mmix_asm_identify_gcc): Remove unused
15130         function.
15131         * config/mmix/mmix-protos.h (mmix_asm_identify_gcc): Don't
15132         prototype.
15133         * config/mmix/mmix.h (ASM_IDENTIFY_GCC): Remove unused macro.
15134
15135 2002-01-09  Kazu Hirata  <kazu@hxi.com>
15136
15137         * read-rtl.c: Fix formatting.
15138         * real.c: Likewise.
15139         * regclass.c: Likewise.
15140         * regrename.c: Likewise.
15141         * reg-stack.c: Likewise.
15142         * reload1.c: Likewise.
15143         * reload.c: Likewise.
15144         * rtl.c: Likewise.
15145
15146 2002-01-09  Kazu Hirata  <kazu@hxi.com>
15147
15148         * rtlanal.c (find_reg_fusage): Use XEXP instead of SET_DEST
15149         to extract items in the expr_list chain.
15150
15151 2002-01-09  Richard Henderson  <rth@redhat.com>
15152
15153         * config/vax/vax.c (vax_rtx_cost): Never abort.
15154
15155         * config/vax/vax.h (REAL_ARITHMETIC): Define.
15156
15157 2002-01-09  Jan Hubicka  <jh@suse.cz>
15158
15159         * gcse.c (cprop_jump): Delete insn if simplified jump is no-op.
15160
15161 2002-01-09  Richard Henderson  <rth@redhat.com>
15162
15163         * config/arm/arm.c (arm_gen_constant): Use trunc_int_for_mode.
15164         Unify code from various alternatives.
15165
15166 2002-01-09  Richard Henderson  <rth@redhat.com>
15167
15168         * regrename.c (copy_value): Ignore the copy if the source register
15169         is present in the value chain with a narrower mode.
15170
15171 2002-01-09  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>
15172
15173         * real.c (c4xtoe, toc4x): Do some special conversion on long doubles
15174         for the c4x target. Also improve layout.
15175
15176 2002-01-09  Richard Henderson  <rth@redhat.com>
15177
15178         * config/m32r/m32r.c (move_src_operand): Fix 32-bit int test.
15179         * config/m32r/m32r.md (and ior xor splitters): Swap operands
15180         to match insn patterns.
15181
15182 2002-01-09  Richard Henderson  <rth@redhat.com>
15183
15184         * regrename.c (find_oldest_value_reg): Use gen_rtx_raw_REG.
15185         (copyprop_hardreg_forward_1): Likewise.
15186
15187 2002-01-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>
15188
15189         * pa.md (decrement_and_branch_until_zero): Change predicate for
15190         operand 0 from register_operand to reg_or_nonsymb_mem_operand.
15191
15192 2002-01-09  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>
15193
15194         * ginclude/stddef.h: Define _BSD_WCHAR_T_DEFINED_ if _BSD_WCHAR_T_
15195         gets undefined. For Darwin.
15196
15197 2002-01-09  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15198
15199         * config/c4x/c4x.h: Use PUSH_ARGS and PUSH_ROUNDING for stack passing.
15200
15201 2002-01-09  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
15202
15203         * config/c4x/c4x/md: Remove extraneous constraints from define_splits.
15204
15205 2002-01-08  Richard Henderson  <rth@redhat.com>
15206
15207         * regrename.c (copy_value): Ignore overlapping copies.
15208
15209 2002-01-08  Richard Henderson  <rth@redhat.com>
15210
15211         * config/alpha/alpha.c (alpha_split_conditional_move): Call copy_rtx
15212         as needed to avoid shared structure.
15213
15214 2002-01-08  Kazu Hirata  <kazu@hxi.com>
15215
15216         * config/h8300/h8300.c (get_shift_alg): Fix 15-bit LSHIFTRT on
15217         H8/300H and H8/S.
15218
15219 2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>
15220
15221         * doc/tm.texi (EASY_DIV_EXPR, IMPLICIT_FIX_EXPR,
15222         LONGJMP_RESTORE_FROM_STACK, MAX_INT_TYPE_SIZE): Remove
15223         documentation of obsolete macros.
15224         * system.h: Poison these macros.
15225         * config/1750a/1750a.h, config/a29k/a29k.h, config/alpha/alpha.h,
15226         config/arc/arc.h, config/arm/arm.h, config/avr/avr.h,
15227         config/c4x/c4x.h, config/clipper/clipper.h,
15228         config/convex/convex.h, config/cris/cris.h, config/d30v/d30v.h,
15229         config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h,
15230         config/fr30/fr30.h, config/h8300/h8300.h, config/i370/i370.h,
15231         config/i386/i386.h, config/i860/i860.h, config/i960/i960.h,
15232         config/ia64/ia64.h, config/m32r/m32r.h, config/m68hc11/m68hc11.h,
15233         config/m68k/m68k.h, config/m88k/m88k.h, config/mcore/mcore.h,
15234         config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
15235         config/mn10300/mn10300.h, config/ns32k/ns32k.h, config/pa/pa.h,
15236         config/pdp11/pdp11.h, config/pj/pj.h, config/romp/romp.h,
15237         config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
15238         config/sparc/sparc.h, config/stormy16/stormy16.h,
15239         config/v850/v850.h, config/vax/vax.h, config/we32k/we32k.h: Remove
15240         definitions and commented out definitions of obsolete macros.
15241         * config/mips/iris5.h (MAX_WCHAR_TYPE_SIZE): Don't define in terms
15242         of MAX_INT_TYPE_SIZE.
15243
15244 2002-01-08  Ulrich Weigand  <uweigand@de.ibm.com>
15245
15246         * config/s390/s390.c (s390_preferred_reload_class): Never
15247         return ADDR_REGS if it isn't a subset of the given class.
15248         * config/s390/s390.h (REGISTER_MOVE_COST): Penalize not just
15249         FP_REGS, but all superclasses as well.
15250
15251         * config/s390/s390.c (s390_function_profiler): Fix thinko.
15252
15253         * config/s390/s390.md (cmpdi_ccu_mem, cmpsi_ccu_mem,
15254         cmphi_ccu_mem, cmpqi_ccu_mem): First operand of compare
15255         must not be a const_int.
15256
15257 2002-01-08  Richard Henderson  <rth@redhat.com>
15258
15259         * Makefile.in (toplev.o): Depend on options.h.
15260         (gcc.o): Depend on specs.h.
15261
15262 2002-01-08  Jakub Jelinek  <jakub@redhat.com>
15263
15264         * expr.c (store_expr): Convert VOIDmode constants back to target's
15265         mode.
15266
15267 2002-01-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
15268
15269         * doc/invoke.texi: Markup gcc as @command.  Refer to
15270         http://gcc.gnu.org/onlinedocs/gcc/Contributors.html instead
15271         of http://gcc.gnu.org/thanks.html.
15272
15273 2002-01-08  Dale Johannesen  <dalej@apple.com>
15274
15275         * config/rs6000/rs6000.md: Add missing int register
15276         target case to movdf_low.
15277
15278 2002-01-08  Zack Weinberg  <zack@codesourcery.com>
15279
15280         * Makefile.in (cs-tconfig.h): Don't depend on $(CONFIG_H) or
15281         except.h.  Remove commands to define USING_SJLJ_EXCEPTIONS.
15282         (cppinit.o): Depend on except.h.
15283         (gencheck.h, options.h, specs.h, s-gencheck, s-options,
15284         s-specs): New rules.
15285
15286         * configure.in: Don't AC_DEFINE_UNQUOTED PACKAGE or VERSION.
15287         Don't create specs.h/options.h/gencheck.h here.  Remove
15288         unnecessary variable settings from last argument of AC_OUTPUT.
15289         * config.in, configure: Regenerate.
15290         * intl.c: Hardcode package name as "gcc".
15291
15292         * cppinit.c: Include except.h.
15293         (builtin_array): Define __USING_SJLJ_EXCEPTIONS__ when
15294         appropriate.
15295         * unwind-dw2.c, unwind-sjlj.c, config/ia64/unwind-ia64.c:
15296         Use #if(n)def __USING_SJLJ_EXCEPTIONS, not #if
15297         (!)USING_SJLJ_EXCEPTIONS.
15298         * doc/cpp.texi: Document __USING_SJLJ_EXCEPTIONS__.
15299
15300 2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>
15301
15302         * doc/tm.texi (ASM_OUTPUT_EH_REGION_BEG, ASM_OUTPUT_EH_REGION_END,
15303         ASM_OUTPUT_LABELREF_AS_INT, DOESNT_NEED_UNWINDER, EH_TABLE_LOOKUP,
15304         OBJC_SELECTORS_WITHOUT_LABELS, OMIT_EH_TABLE): Remove
15305         documentation of obsolete macros.
15306         * system.h: Poison these macros.
15307         * config/d30v/d30v.h, config/ns32k/encore.h,
15308         config/stormy16/stormy16.h: Remove definitions and commented out
15309         definitions of obsolete macros.
15310
15311 Tue Jan  8 15:56:41 2002  Nicola Pero  <nicola@brainstorm.co.uk>
15312
15313         * objc/objc-act.c (handle_class_ref): Mark the declaration of
15314         %sobjc_class_ref_%s as used - to prevent unwanted compiler
15315         warnings.
15316
15317 2002-01-08  Ulrich Weigand  <uweigand@de.ibm.com>
15318
15319         * config/s390/linux.h (ASM_OUTPUT_LABELREF): Remove.
15320         * config/s390/s390.c (s390_emit_epilog): Add REG_FRAME_RELATED_EXPR
15321         to insn adjusting stack/frame pointer.
15322         * config/s390/s390.md (reload_la_64, reload_la_31): Do not
15323         accept operands that cause the insn to be non-splittable.
15324
15325 2002-01-08  Graham Stott  <grahams@redhat.com>
15326
15327         * c-tree.h (C_TYPE_FIELDS_READONLY): Uppercase macro parameter.
15328         (C_TYPE_FIELDS_VOLATILE): Likewise.
15329         (C_TYPE_BEING_DEFINED): Likewise.
15330         (C_IS_RESERVED_WORD): Likewise.
15331         (C_TYPE_VARIABLE_SIZE): Likewise.
15332         (C_DECL_VARIABLE_SIZE): Likewise.
15333         (C_MISSING_PROTOTYPE_WARNED): Likewise.
15334         (C_SET_EXP_ORIGINAL_CODE): Likewise.
15335         (C_TYPEDEF_EXPLICITLY_SIGNED): Uppercase macro parameter and remove
15336         parenthesis.
15337         (C_DECL_ANTICIPATED): Likewise.
15338         (c_build_type_variant): Add parenthesis.
15339
15340 2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>
15341
15342         * gcc.c (option_map): Remove --version.
15343         (process_command): Handle -fversion following the GNU Coding
15344         Standards.  Partially addresses PR other/704.
15345
15346 2002-01-08  Graham Stott  <grahams@redhat.com>
15347
15348         * combine.c (combine_instructions): Fix typo.
15349
15350 2002-01-08  Graham Stott  <grahams@redhat.com>
15351
15352         * debug.h: Use "tree" and "rtx" throughout.
15353
15354         * debug.c: Likewise.
15355
15356 2002-01-08  Nick Clifton  <nickc@cambridge.redhat.com>
15357
15358         * dbxout.c (dbxout_symbol_location): If a symbol ref is in the
15359         constant pool, use the pool's version of the symbol instead.
15360
15361 2002-01-07  Richard Henderson  <rth@redhat.com>
15362
15363         * regrename.c (find_oldest_value_reg): Ignore the value chain if
15364         the original register was copied in a mode with a fewer number of
15365         hard registers than the desired mode.
15366         (copyprop_hardreg_forward_1): Likewise.
15367         (debug_value_data): Fix loop test.
15368         * toplev.c (parse_options_and_default_flags): Reenable
15369         -fcprop-registers at -O1.
15370
15371 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
15372
15373         * config/rs6000/rs6000.c (bdesc_2arg): Add altivec predicates.
15374         (altivec_init_builtins): New node v4si_ftype_v16qi_v16qi.
15375
15376         * config/rs6000/rs6000.h (rs6000_builtins): Add enums for altivec
15377         predicates.
15378
15379         * config/rs6000/rs6000.md: Add altivec predicate patterns.
15380
15381 2002-01-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>
15382
15383         * pa.c (FUNC_BEGIN_PROLOG_LABEL, current_function_number): Define.
15384         (pa_output_function_prologue): Output local label at the beginning of
15385         the prologue when profiling.
15386         (hppa_profile_hook): Use the local label rather than the function label.
15387         * pa.h (PROFILE_BEFORE_PROLOGUE): Define.
15388
15389 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
15390
15391         * config/rs6000/rs6000.c (print_operand): Remove extra space.
15392         (altivec_expand_unop_builtin): Fix thinko.
15393         (altivec_expand_binop_builtin): Same.
15394         (altivec_expand_ternop_builtin): Same.
15395         (altivec_expand_builtin): Same.
15396
15397 2002-01-07  Richard Henderson  <rth@redhat.com>
15398
15399         * config/rs6000/xcoff.h (ASM_FILE_START): Reverted to profile_flag.
15400
15401 2002-01-07  Jason Merrill  <jason@redhat.com>
15402
15403         * unwind-dw2.c (execute_cfa_program): Use < again.
15404
15405 2002-01-07  Jakub Jelinek  <jakub@redhat.com>
15406
15407         * predict.c (combine_predictions_for_insn): Avoid division by zero.
15408
15409 2002-01-07  Jakub Jelinek  <jakub@redhat.com>
15410
15411         * simplify-rtx.c (simplify_plus_minus): Bump n_ops for NOT.
15412         Don't allow -1 - x -> ~x simplifications in the first pass.
15413
15414 2002-01-07  Aldy Hernandez  <aldyh@redhat.com>
15415
15416         * rs6000.c (altivec_expand_ternop_builtin): Don't die on invalid
15417         arguments.
15418         (altivec_expand_binop_builtin): Same.
15419         (altivec_expand_unop_builtin): Same.
15420         (print_operand): Fix typo.
15421         (bdesc_1arg): Add vupk* variants.
15422
15423         * rs6000.h (rs6000_builtins): Add vupk* enums.
15424
15425         * rs6000.md: Add altivec_vupk* variants.
15426
15427 2002-01-07  Joseph S. Myers  <jsm28@cam.ac.uk>
15428
15429         * doc/gcc.texi, doc/gccint.texi, doc/cppinternals.texi,
15430         doc/install.texi, doc/invoke.texi, doc/rtl.texi: Update copyright
15431         and last update dates.
15432
15433 2002-01-07  Janis Johnson  <janis187@us.ibm.com>
15434
15435         * doc/rtl.texi (Flags): Clean up documentation of RTL flags
15436
15437 2002-01-07  Marek Michalkiewicz  <marekm@amelek.gda.pl>
15438
15439         * config/avr/avr.c (avr_mcu_types): Add new MCU types.
15440         * config/avr/avr.h (CPP_SPEC): Likewise.
15441         (LINK_SPEC): Likewise.
15442         (CRT_BINUTILS_SPECS): Likewise.
15443         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
15444         * doc/invoke.texi (AVR Options): Document them.
15445
15446 Mon Jan  7 11:59:34 CET 2002  Jan Hubicka  <jh@suse.cz>
15447
15448         * unroll.c (copy_loop_body): Always properly update JUMP_LABEL and
15449         LABEL_NUSES.
15450
15451 2002-01-07  Graham Stott  <grahams@redhat.com>
15452
15453         * config/i386/i386.h: Update copyright date.
15454         (HALF_PIC_PTR): Add parenthesis.
15455         (OPTIMIZATION_OPTIONS): Whitespace, add parenthesis and wrap.
15456         (CONSTANT_ALIGNMENT): Add parenthesis.
15457         (DATA_ALIGNMENT): Likewise.
15458         (LOCAL_ALIGNMENT): Likewise.
15459         (FUNCTION_ARG_BOUNDARY): Whitespace, add parenthesis and wrap.
15460         (IS_STACK_MODE): Uppercase macro parameter, add parenthesis and wrap.
15461         (CONDITIONAL_REGISTER_USAGE): Wrap in do {...} while (0).
15462         (HARD_REGNO_NREGS): Add paranethesis.
15463         (VALID_SSE_REG_MODE): Whitespace.
15464         (VALID_MMX_REG_MODE): Whitespace.
15465         (VALID_FP_MODE_P): Uppercase macros parameter and whitespace.
15466         (ix86_hard_regno_mode_ok): Add parenthesis.
15467         (HARD_REGNO_CALLER_SAVE_MODE): Whitespace.
15468         (RETURN_IN_MEMORY): Whitespace.
15469         (N_REG_CLASSES): Add parenthesis.
15470         (INTEGER_CLASS_P): Add parenthesis and wrap.
15471         (FLOAT_CLASS_P): Likewise.
15472         (SSE_CLASS_P): Likewise.
15473         (MMX_CLASS_P): Likewise.
15474         (MAYBE_INTEGER_CLASS_P): Likewise.
15475         (MAYBE_FLOAT_CLASS_P): Likewise.
15476         (MAYBE_SSE_CLASS_P): Likewise.
15477         (MAYBE_MMX_CLASS_P): Likewise.
15478         (Q_CLASS_P): Likewise.
15479         (GENERAL_REGNO_P): Uppercase macro parameter.
15480         (REX_INT_REGNO_P): Uppercase macro parameter and wrap.
15481         (FP_REGNO_P): Likewise.
15482         (ANY_FP_REGNO_P): Uppercase macro parameter.
15483         (SSE_REGNO_P): Likewise.
15484         (SSE_REGNO): Likewise.
15485         (SSE_REG_P): Likewise.
15486         (SSE_FLOAT_MODE_P): Likewise.
15487         (MMX_REGNO_P): Likewise.
15488         (MMX_REG_P):Likewise.
15489         (STACK_REG_P): Likewise.
15490         (NON_STACK_REG_P): Likewise.
15491         (STACK_TOP_P): Likewise.
15492         (CONVERT_HARD_REGISTER_TO_SSA_P): Add parenthesis.
15493         (PREFERRED_RELOAD_CLASS): Add parenthesis and whitespace.
15494         (SECONDARY_MEMORY_NEEDED): Likewise.
15495         (SECONDARY_OUTPUT_RELOAD_CLASS): Whitespace.
15496         (MD_ASM_CLOBBERS): Whitespace and wrap.
15497         (MUST_PASS_IN_STACK): Whitespace and wrap.
15498         (RETURN_POPS_ARGS): Add parenthesis.
15499         (INIT_CUMULATIVE_ARGS): Likewise.
15500         (FUNCTION_ARG): Likewise.
15501         (FUNCTION_OK_FOR_SIBCALL): Add parenthesis and whitespace.
15502         (SETUP_INCOMING_VARARGS): Likewise.
15503         (BUILD_VA_LIST_TYPE):  Add parenthesis.
15504         (EXPAND_BUILTIN_VA_START): Uppercase macro paremeters and add
15505         parenthsis.
15506         (EXPAND_BUILTIN_VA_ARG): Likewise.
15507         (FUNCTION_PROFILER): Wrap in do { ... } while (0) and add parenthesis.
15508         (INITIALIZE_TRAMPOLINE): Add parenthesis.
15509         (INITIAL_ELIMINATION_OFFSET): Likewise.
15510         (REGNO_OK_FOR_INDEX_P): Add parenthesis.
15511         (REGNO_OK_FOR_BASE_P): Likewise.
15512         (REGNO_OK_FOR_SIREG_P): Add parenthesis and wrap.
15513         (REGNO_OK_FOR_DIREG_P): Likewise.
15514         (REG_OK_FOR_INDEX_P): Whitespace.
15515         (REG_OK_FOR_BASE_P): Whitespace.
15516         (GO_IF_LEGITIMATE_ADDRESS): Wrap in do { ... } while (0) and add
15517         parenthesis.
15518         (FIND_BASE_TERM): Fix typo.
15519         (LEGITIMIZE_ADDRESS): Wrap in  { .. } while (0) and add parenthesis.
15520         (REWRITE_ADDRESS): Uppercase macro parameter and whitespace.
15521         (SYMBOLIC_CONST; Whitespace.
15522         (GO_IF_MODE_DEPENDENT_ADDRESS):Wrap in  { .. } while (0) and wrap.
15523         (ENCODE_SECTION_INFO): Whitespace.
15524         (FINALIZE_PIC): Remove do { ... } while (0).
15525         (PROMOTE_MODE): Wrap in do { ... } while (0).
15526         (CONST_COSTS): Whitespace.
15527         (RTX_COSTS): Add paramethesis, whitespace and wrap.
15528         (REGISTER_MOVE_COST): Add parenthesis.
15529         (MEMORY_MOVE_COST): Likewise.
15530         (EXTRA_CC_MODES): Whitespace.
15531         (SELECT_CC_MODE): Add parenthesis and whitespace.
15532         (DBX_REGISTER_NUMBER): Uppercase macro parameter and add parenthsis.
15533         (ASM_PREFERRED_EH_DATA_FORMAT): Add parenthesis and whitespace.
15534         (ASM_OUTPUT_LABEL): Add paramethesis.
15535         (ASM_OUTPUT_REG_PUSH): Add parenthesis and whitespace.
15536         (ASM_OUTPUT_REG_POP): Likewise.
15537         (ASM_OUTPUT_ADDR_VEC_ELT): Add parenthesis.
15538         (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
15539
15540         * config/i386/i386.c: Update copyright.
15541         (CHECK_STACK_LIMIT): Add parenthesis.
15542         (AT_BP): Uppercase macro parameter.
15543         (x86_64_int_parameter_registers): Constify.
15544         (x86_64_int_return_registers): Likewise.
15545         (ix86_compare_op0): Use rtx.
15546         (construct_container): Constify INTREG parameter.
15547         (function_arg): Use rtx.
15548
15549         * diagnostic.h: Update copyright date.
15550         (output_buffer_state): Add parenthesis.
15551         (output_buffer_format_args): Likewise.
15552
15553         * combine.c (combine_instructions): Replace XEXP (links, 0)
15554         with link.
15555
15556 2002-01-06  H.J. Lu <hjl@gnu.org>
15557
15558         * cfgcleanup.c (thread_jump): Fix 2 typos.
15559
15560 2002-01-06  Aldy Hernandez  <aldyh@redhat.com>
15561
15562         * config.gcc: Add support for --enable-altivec.
15563
15564 2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>
15565
15566         * emit-rtl.c (gen_highpart): Add check for NULL_RTX.
15567
15568 2002-01-06  Jakub Jelinek  <jakub@redhat.com>
15569
15570         * objc/objc-act.c (handle_impent): Use assemble_variable to emit
15571         __objc_class_name_*.
15572
15573 2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>
15574
15575         * doc/install.texi (sparcv9-*-solaris2*): Add documentation.
15576
15577 2002-01-06  Richard Henderson  <rth@redhat.com>
15578
15579         * reorg.c (emit_delay_sequence): Remove death notes, not merely
15580         nop them out.  Increment label reference count for REG_LABEL.
15581         (fill_slots_from_thread): Frob label reference count around
15582         delete_related_insns.
15583
15584 2002-01-05  Richard Henderson  <rth@redhat.com>
15585
15586         * cfgcleanup.c (try_forward_edges): Detect infinite loops while
15587         jump threading.
15588
15589 2002-01-05  Richard Henderson  <rth@redhat.com>
15590
15591         * c-decl.c (c_expand_body): Don't call outlining_inline_function.
15592         * integrate.c (output_inline_function): Likewise.
15593         * toplev.c (rest_of_compilation): Do it here instead.  Move call
15594         to remove_unnecessary_notes after emitting abstract instance.
15595         Force an emitted nested function to have its parent emited as well.
15596         * dwarf2out.c (loc_descriptor_from_tree): Read mode after checking
15597         for null.
15598         (rtl_for_decl_location): Do not look at reload data structures
15599         before reload has run.
15600
15601 2002-01-05  Kazu Hirata  <kazu@hxi.com>
15602
15603         * cse.c: Fix formatting.
15604         * dwarf2asm.c: Likewise.
15605         * dwarf2out.c: Likewise.
15606         * explow.c: Likewise.
15607         * expmed.c: Likewise.
15608         * function.c: Likewise.
15609         * gcov.c: Likewise.
15610         * gencheck.c: Likewise.
15611         * genrecog.c: Likewise.
15612         * ggc-common.c: Likewise.
15613         * ggc-page.c: Likewise.
15614         * global.c: Likewise.
15615
15616 2002-01-05  Kazu Hirata  <kazu@hxi.com>
15617
15618         * combine.c: Fix formatting.
15619
15620 2002-01-05  Craig Rodrigues  <crodrigu@bbn.com>
15621
15622         PR middle-end/1557
15623         * config/ia64/ia64.h (RENAME_EXTENDED_BLOCKS): Remove.
15624
15625 2002-01-05  David Edelsohn  <edelsohn@gnu.org>
15626
15627         * config/rs6000/rs6000.h (TARGET_POWERPC): For IN_LIBGCC2, define
15628         as 1 for __powerpc64__ as well.
15629
15630         * config/rs6000/t-aix43 (T_ADAFLAGS): Define.
15631
15632         * alias.c (find_base_value, PLUS/MINUS): If we found a base,
15633         return it.
15634
15635 2002-01-05  Daniel Berlin  <dan@dberlin.org>
15636
15637         * lcm.c: Revert change, due to performance regression it causes on
15638         SPEC because it's slightly more conservative (sigh, I hate
15639         edge-based LCM).
15640
15641 Sat Jan  5 11:52:05 CET 2002  Jan Hubicka  <jh@suse.cz>
15642
15643         * cfgcleanup.c (try_forward_edges): Allow multiple jump threading.
15644
15645 2002-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>
15646
15647         * doc/cppinternals.texi: Update.
15648
15649 2002-01-05  Hans-Peter Nilsson  <hp@bitrange.com>
15650
15651         * doc/invoke.texi (Option Summary) <MMIX Options>: Document
15652         -mbranch-predict, -mreg-stack-fill-bug-workaround and their
15653         negatives.
15654         (MMIX Options): Ditto.  Fix item/itemx typo for -mno-zero-extend.
15655         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Rework
15656         kludge for pre-october-14th mmix versions to handle new-found bug
15657         with PUSHJ/PUSHGO and the register stack.
15658         * config/mmix/mmix.h (struct machine_function): Rename member
15659         has_call_value_without_parameters to has_call_without_parameters.
15660         All referers changed.
15661         (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_DEFAULT
15662         TARGET_MASK_BRANCH_PREDICT): New macros.
15663         (TARGET_SWITCHES): New options -mreg-stack-fill-bug-workaround,
15664         -mno-reg-stack-fill-bug-workaround.
15665         * config/mmix/mmix.md ("call"): Set struct machine member
15666         has_call_without_parameters.
15667
15668 Sat Jan  5 02:20:22 CET 2002  Jan Hubicka  <jh@suse.cz>
15669
15670         * cfgcleanup.c (thread_jump): Fix handling of reversed branches.
15671
15672 Sat Jan  5 01:35:29 CET 2002  Jan Hubicka  <jh@suse.cz>
15673
15674         * cfgcleanup.c: Include tm_p.h
15675         (mark_effect): Fix handling of hard register; fix handling of SET
15676
15677 2002-01-04  Kazu Hirata  <kazu@hxi.com>
15678
15679         * config/h8300/h8300.md (anonymous patterns): Check that
15680         operands are registers before using REGNO on them.
15681
15682 2002-01-03  Roland McGrath  <roland@frob.com>
15683
15684         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcall-gnu.
15685
15686 2002-01-04  Jakub Jelinek  <jakub@redhat.com>
15687
15688         * tree.h (expand_expr_stmt_value): Add maybe_last argument.
15689         * c-common.h (genrtl_expr_stmt_value): Likewise.
15690         * stmt.c (expand_expr_stmt): Pass 1 as maybe_last.
15691         (expand_expr_stmt_value): Add maybe_last argument.
15692         Don't warn about statement with no effect if it is the last statement
15693         in expression statement.
15694         * c-semantics.c (genrtl_expr_stmt): Pass 1 as maybe_last.
15695         (genrtl_expr_stmt_value): Add maybe_last argument, pass it down to
15696         expand_expr_stmt_value.
15697         (expand_stmt) [EXPR_STMT]: Pass 1 as maybe_last to
15698         genrtl_expr_stmt_value if t is the last EXPR_STMT in its scope.
15699         * expr.c (expand_expr) [LABELED_BLOCK_EXPR, LOOP_EXPR]: Pass 1
15700         as maybe_last to expand_expr_stmt_value.
15701
15702 Fri Jan  4 11:45:05 2002  Jeffrey A Law  (law@redhat.com)
15703
15704         * c-common.c (c_expand_start_cond): Expect the IF_STMT node to
15705         be passed in, do not build it.
15706         (c_begin_if_stmt): New function.
15707         (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
15708         * c-common.h (c_expand_start_cond): Update prototype.
15709         (c_begin_if_stmt): Prototype new function.
15710         (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
15711         * c-parse.in (if_prefix): Use c_begin_if_stmt,
15712         c_begin_while_stmt and c_finish_while_stmt_cond.
15713
15714 2002-01-04  William Cohen  <wcohen@redhat.com>
15715
15716         * config/pa/elf.h (ASM_FILE_START): Reverted to profile_flag.
15717         * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
15718         * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
15719         * config/pa/som.h (ASM_FILE_START): Likewise.
15720
15721 2002-01-04  Daniel Berlin  <dan@cgsoftware.com>
15722
15723         * lcm.c: Include df.h.
15724         Add available_transfer_function prototype.
15725         (compute_available): Rework to use iterative dataflow framework.
15726         (struct bb_info): s/bb_info/lcm_bb_info/g to avoid conflict
15727         with bb_info in df.h
15728         (available_transfer_function): New function.
15729
15730         * Makefile.in (lcm.o): add df.h to dependencies.
15731
15732 2002-01-04  Richard Henderson  <rth@redhat.com>
15733
15734         * config/alpha/alpha.c (some_operand): Accept HIGH.
15735         (input_operand): Likewise; accept simple references to globals.
15736         (alpha_const_ok_for_letter_p): New, outlined from alpha.h.
15737         (alpha_const_double_ok_for_letter_p): Likewise.
15738         (alpha_extra_constraint): Likewise.
15739         (alpha_preferred_reload_class): Likewise.  Do not force
15740         symbolic constants to memory.
15741         (alpha_legitimate_address_p): Accept simple references
15742         to small_symbolic_operand.
15743         (alpha_legitimize_address): New arg scratch.  Be prepared to be
15744         called when no_new_pseudos.  Emit simple symbolic references.
15745         Split integers into low, high, and rest.
15746         (alpha_expand_mov): Use alpha_legitimize_address.
15747         (some_small_symbolic_mem_operand): New.
15748         (split_small_symbolic_mem_operand): New.
15749         * config/alpha/alpha-protos.h: Update.
15750         * config/alpha/alpha.h (CONST_OK_FOR_LETTER_P): Out-line.
15751         (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
15752         (EXTRA_CONSTRAINT): Likewise.
15753         (PREFERRED_RELOAD_CLASS): Likewise.
15754         (LEGITIMIZE_ADDRESS): Update for alpha_legitimize_address change.
15755         (PREDICATE_CODES): Update.
15756         * config/alpha/alpha.md: New post-reload splitters to convert
15757         simplfied symbolic operands to the form that references $29.
15758         (divide expanders): Use emit_move_insn, not gen_movdi_er_high_g.
15759         (movdi_er_nofix, movdi_er_fix): Accept any symbolic operand.
15760
15761 2002-01-03  Richard Henderson  <rth@redhat.com>
15762
15763         * local-alloc.c (function_invariant_p): Update commentary.
15764
15765 2002-01-04  H.J. Lu <hjl@gnu.org>
15766
15767         * toplev.c (rest_of_compilation): Fix a typo when calling
15768         cleanup_cfg.
15769
15770 2002-01-03  Kazu Hirata  <kazu@hxi.com>
15771
15772         * c-common.c: Fix formatting.
15773         * diagnostic.c: Likewise.
15774         * doloop.c: Likewise.
15775         * dwarf2out.c: Likewise.
15776
15777 2002-01-03  Kazu Hirata  <kazu@hxi.com>
15778
15779         * config/h8300/h8300.c (output_logical_op): Use 'not.w' instead
15780         of 'neg.w' when xoring with 0x0000ffff or 0xffff0000.
15781
15782 2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>
15783
15784         * cpperror.c: Update comments and copyright.
15785         * cppexp.c, cppfiles.c, cpphash.c, cpphash.h, cppinit.c,
15786         cpplex.c, cpplib.c, cpplib.h, cppmacro.c, cppmain.c: Similarly.
15787
15788 2002-01-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>
15789
15790         * collect2.c (main): Use strcmp when testing for "-shared".
15791
15792 2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>
15793
15794         * cppmacro.c: Don't include intl.h.  Update comments.
15795         (new_number_token): Allocate enough buffer for 64-bit unsigned
15796         integers; update prototype.
15797         * cppmain.c: Update comments.
15798
15799 2002-01-03  William Cohen  <wcohen@redhat.com>
15800
15801         * function.h (struct function): Add profile.
15802         (current_function_profile): New.
15803         doc/extend.texi: Update documentation.
15804         * final.c (final_start_function): Use current_function_profile
15805         instead of profile_flag.
15806         (profile_after_prologue): Likewise.
15807         * function.c (expand_function_start): Likewise.
15808         (expand_function_start): Likewise.
15809         * config/alpha/alpha.c (direct_call_operand):
15810         (alpha_does_function_need_gp): Likewise.
15811         (alpha_expand_prologue): Likewise.
15812         * config/arm/arm.c (arm_expand_prologue): Likewise.
15813         thumb_expand_prologue: Likewise.
15814         * config/d30v/d30v.c (d30v_stack_info): Likewise.
15815         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Likewise.
15816         (fr30_expand_prologue): Likewise.
15817         * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
15818         * config/i386/i386.c (ix86_osf_output_function_prologue): Likewise.
15819         * config/i386/i386.h (FINALIZE_PIC): Likewise.
15820         * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
15821         * config/i960/i960.c (i960_output_function_prologue): Likewise.
15822         * config/ia64/ia64.c (ia64_compute_frame_size): Likewise.
15823         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Likewise.
15824         (m32r_expand_prologue): Likewise.
15825         * config/m88k/m88k.c (m88k_layout_frame): Likewise.
15826         (m88k_expand_prologue): Likewise.
15827         * config/m88k/m88k.h (ADJUST_INSN_LENGTH): Likewise.
15828         * config/mips/mips.c (compute_frame_size): Likewise.
15829         (mips_expand_prologue): Likewise.
15830         (mips_can_use_return_insn): Likewise.
15831         * config/pa/elf.h (ASM_FILE_START): Likewise.
15832         * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
15833         * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
15834         * config/pa/som.h (ASM_FILE_START): Likewise.
15835         * config/romp/romp.c (romp_using_r14): Likewise.
15836         * config/rs6000/rs6000.c (first_reg_to_save): Likewise.
15837         (rs6000_stack_info): Likewise.
15838         * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
15839         * config/rs6000/xcoff.h (ASM_FILE_START): Likewise.
15840         * config/v850/v850.c (compute_register_save_size): Likewise.
15841
15842 2002-01-03  Jakub Jelinek  <jakub@redhat.com>
15843
15844         * simplify-rtx.c (simplify_binary_operation) [DIV]: If
15845         gen_lowpart_common fails, use gen_lowpart_SUBREG.
15846
15847 2002-01-03  Turly O'Connor  <turly@apple.com>
15848
15849         * darwin.c (machopic_output_possible_stub_label): Don't generate
15850         stub routines for pseudo-stubs which we've just defined.
15851
15852 2002-01-03  Kazu Hirata  <kazu@hxi.com>
15853
15854         * builtins.c: Fix formatting.
15855         * c-typeck.c: Likewise.
15856         * combine.c: Likewise.
15857         * expr.c: Likewise.
15858         * loop.c: Likewise.
15859
15860 2002-01-03  Andreas Schwab  <schwab@suse.de>
15861
15862         * cppfiles.c (_cpp_pop_file_buffer): Change return type to bool
15863         and return true if _cpp_push_next_buffer pushed a new include
15864         file.
15865         * cpplib.c (_cpp_pop_buffer): Only call obstack_free if
15866         _cpp_pop_file_buffer did not push a new file.
15867         * cpphash.h (_cpp_pop_file_buffer): Update declaration.
15868
15869 2002-01-02  Eric Christopher  <echristo@redhat.com>
15870
15871         * final.c (final_scan_insn): Change 0 -> NULL_RTX in
15872         FIND_REG_INC_NOTE call. Update copyright.
15873         * loop.c (canonicalize_condition): Ditto.
15874         * reorg.c (delete_scheduled_jump): Ditto.
15875
15876 2002-01-03  Kazu Hirata  <kazu@hxi.com>
15877
15878         * gcse.c: Fix formatting.
15879
15880 2002-01-03  Graham Stott  <grahams@redhat.com>
15881
15882         * mkconfig.sh: Output to config.h, hconfig.h and tconfig.h
15883         forward defs for struct tags rtx_def, union_tree, rtvec_def
15884         also output corresponding typedefs for rtx, tree, and rtvec.
15885
15886         * system.h: Move forward defs for struct tags rtx_def, union_tree,
15887         rtvec_def along with corresponding typedefs for rtx, tree, and
15888         rtvec to config.h, hconfig.h, tconfig.h.
15889
15890 2002-01-03  Graham Stott  <grahams@redhat.com>
15891
15892         * tree.h: Update copyright date.
15893         (IS_EXPR_CODE_CLASS): Add parenthesis.
15894         (TREE_SET_CODE): Add whitespace.
15895         (TREE_CHECK): Add parenthesis.
15896         (TREE_CLASS_CODE): Add parenthesis and wrap long line.
15897         (CST_OR_CONSTRUCTOR_CHECK):
15898         (EXPR_CHECK): Add parenthis, whitespace and wrap line.
15899         (TREE_SYMBOL_REFERENCED): Whitespace.
15900         (INT_CST_LT): Likewise.
15901         (INT_CST_LT_UNSIGNED): Likewise.
15902         (tree_real_cst): Unwrap comment.
15903         (tree_string): Likewise.
15904         (tree_complex): Likewise.
15905         (IDENTIFIER_POINTER): correct cast.
15906         (SAVE_EXPR_CONTEXT): Whitespace.
15907         (EXPR_WFL_FILENAME_NODE): Likewise.
15908         (EXPR_WFL_FILENAME): Remove parenthesis.
15909         (DECL_ORIGIN): Add parenthesis.
15910         (DECL_FROM_INLINE): Use NULL_TREE.
15911         (build_int_2): Whitespace.
15912         (build_type_variant): Add parenthesis.
15913
15914         * gcc/jcf-parse.c: Update copyright date.
15915         (yyparse): Constify resource_filename.
15916
15917 2002-01-03  Graham Stott  <grahams@redhat.com>
15918
15919         * rtl.h: Update copyright date.
15920         (RTL_CHECK1): Wrap long line.
15921         (RTL_CHECK2): Likewise.
15922         (RTL_CHECKC1): Wrap long line and whitespace.
15923         (RTL_CHECKC2): Likewise.
15924         (XWINT): Whitespace.
15925         (XINT): Likewise.
15926         (XSTR): Likewise.
15927         (XEXP): Likewise.
15928         (XVEC): Likewise.
15929         (XMODE): Likewise.
15930         (XBITMAP): Likewise.
15931         (XTREE): Likewise.
15932         (XBBDEF): Likewise.
15933         (XTMPL): Likewise.
15934         (X0WINT): Likewise.
15935         (X0INT):Likewise.
15936         (X0UINT): Likewise.
15937         (X0STR): Likewise.
15938         (X0EXP): Likewise.
15939         (X0VEC): Likewise.
15940         (X0MODE): Likewise.
15941         (X0BITMAP): Likewise.
15942         (X0TREE): Likewise.
15943         (X0BBDEF): Likewise.
15944         (X0ADVFLAGS): Likewise.
15945         (X0CSELIB): Likewise.
15946         (X0MEMATTR): Likewise.
15947         (XCWINT): Likewise.
15948         (XCINT): Likewise.
15949         (XCUINT): Likewise.
15950         (XCSTR): Likewise.
15951         (XCEXP): Likewise.
15952         (XCVEC): Likewise.
15953         (XCMODE): Likewise.
15954         (XCBITMAP): Likewise.
15955         (XCTREE): Likewise.
15956         (XCBBDEF): Likewise.
15957         (XCADVFLAGS): Likewise.
15958         (XCCSELIB): Likewise.
15959         (XC2EXP): Likewise.
15960         (INSN_UID): Likewise.
15961         (PREV_INSN): Likewise.
15962         (PATTERN): Likewise.
15963         (INSN_CODE): Likewise.
15964         (PUT_REG_NOTE_KIND): Likewise.
15965         (CODE_LABEL_NUMBER): Likewise.
15966         (NOTE_SOURCE_FILE): Likewise.
15967         (NOTE_BLOCK): Likewise.
15968         (NOTE_EH_HANDLER): Likewise.
15969         (NOTE_RANGE_INFO): Likewise.
15970         (NOTE_LIVE_INFO): Likewise.
15971         (NOTE_BASIC_BLOCK): Likewise.
15972         (NOTE_EXPECTED_VALUE): Likewise.
15973         (NOTE_LINE_NUMBER): Likewise.
15974         (LABEL_NAME): Likewise.
15975         (LABEL_NUSES): Likewise.
15976         (LABEL_ALTERNATE_NAME): Likewise.
15977         (ADDRESSOF_DECL): Likewise.
15978         (JUMP_LABEL): Likewise.
15979         (LABEL_NEXTREF): Likewise.
15980         (REGNO): Likewise.
15981         (ORIGINAL_REGNO: Likewise.
15982         (HARD_REGISTER_NUM_P): Add parenthesis.
15983         (SUBREG_REG): Whitespace.
15984         (SUBREG_BYTE): Likewise.
15985         (ASM_OPERANDS_TEMPLATE): Remove parenthesis.
15986         (ASM_OPERANDS_OUTPUT_CONSTRAINT): Likewise.
15987         (ASM_OPERANDS_OUTPUT_IDX): Likewise.
15988         (ASM_OPERANDS_INPUT_VEC): Likewise.
15989         (ASM_OPERANDS_INPUT_CONSTRAINT_VEC): Likewise.
15990         (ASM_OPERANDS_INPUT): Likewise.
15991         (ASM_OPERANDS_INPUT_LENGTH): Likewise.
15992         (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): Likewise.
15993         (ASM_OPERANDS_INPUT_CONSTRAINT): Likewise.
15994         (ASM_OPERANDS_INPUT_MODE): Likewise.
15995         (ASM_OPERANDS_SOURCE_FILE): Likewise.
15996         (ASM_OPERANDS_SOURCE_LINE): Likewise.
15997         (MEM_SET_IN_STRUCT_P): Minor reformat.
15998         (TRAP_CONDITION): Whitespace.
15999         (TRAP_CODE): Likewise.
16000         (COND_EXEC_TEST): Likewise.
16001         (COND_EXEC_CODE): Likewise.
16002         (FIND_REG_INC_NOTE): Uppercase macro args and add parenthesis.
16003         (PHI_NODE_P): Add parenthesis.
16004         (plus_constant): Whitespace and add parenthesis.
16005
16006 2002-01-03  Kazu Hirata  <kazu@hxi.com>
16007
16008         * config/avr/avr.c: Fix comment typos.
16009         * config/c4x/c4x.md: Likewise.
16010         * config/dsp16xx/dsp16xx.h: Likewise.
16011         * config/dsp16xx/dsp16xx.md: Likewise.
16012         * config/i386/i386.md: Likewise.
16013         * config/ia64/ia64.c: Likewise.
16014         * config/m32r/m32r.h: Likewise.
16015         * config/m68hc11/m68hc11.md: Likewise.
16016         * config/mmix/mmix.c: Likewise.
16017         * config/mn10200/mn10200.c: Likewise.
16018         * config/romp/romp.c: Likewise.
16019         * config/sh/sh.c: Likewise.
16020         * config/stormy16/stormy16.c: Likewise.
16021         * config/stormy16/stormy16.h: Likewise.
16022         * config/stormy16/stormy16.md: Likewise.
16023
16024 2002-01-03  Graham Stott  <grahams@redhat.com>
16025
16026         * loop.h: Update copyright date.
16027         (LOOP_MOVABLES): Fix typo.
16028         (LOOP_REGS): Likewise.
16029         (LOOP_IVS): Likewise.
16030
16031 2002-01-03  Graham Stott  <grahams@redhat.com>
16032
16033         * cppinit.c: Update copyright date.
16034         Don't include output.h
16035         * Makefile.in: Update copyright date.
16036         Update dependency.
16037
16038 2002-01-02  Craig Rodrigues  <rodrigc@gcc.gnu.org>
16039
16040         PR c/5226
16041         * invoke.texi (-mthreads): Remove from documented RS/6000 options.
16042         (-pthread) Add to RS/6000 options.
16043
16044 2002-01-02  Kazu Hirata  <kazu@hxi.com>
16045
16046         * except.c: Fix comment typos.
16047         * loop.c: Likewise.
16048         * varasm.c: Likewise.
16049         * doc/tm.texi: Fix a typo.
16050
16051 2002-01-02  Jakub Jelinek  <jakub@redhat.com>
16052
16053         * c-typeck.c (output_init_element): Allow initializing static storage
16054         duration objects with compound literals.
16055
16056 2002-01-02  Richard Henderson  <rth@redhat.com>
16057
16058         * objc/objc-act.c (hack_method_prototype): Clear current_function_decl
16059         after abusing it.
16060
16061 2002-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16062
16063         * gcc.c (default_compilers): Const-ify.
16064         * mips-tdump.c (stab_names): Likewise.
16065         * mips-tfile.c (map_coff_types, map_coff_storage,
16066         map_coff_sym_type, map_coff_derived_type, stabs_symbol,
16067         pseudo_ops_t, pseudo_ops): Likewise.
16068         * protoize.c (default_include): Likewise
16069
16070         * real.c (GET_REAL, PUT_REAL): Don't cast away const-ness.
16071         (ezero, ehalf, eone, etwo, e32, elog2, esqrt2, epi): Const-ify.
16072         Add array size in declaration.
16073         (endian, emov, eisneg, eisinf, eisnan, eiisnan, eiisneg, emovi,
16074         emovo, emovz, eiisinf, ecmpm, eaddm, esubm, m16m, edivm, emulm,
16075         esub, eadd, eadd1, ediv, emul, e53toe, e64toe, e113toe, e24toe,
16076         etoe113, etoe64, etoe53, etoe24, ecmp, eround, ltoe, ultoe,
16077         eifrac, euifrac, e24toasc, e53toasc, e64toasc, e113toasc, etoasc,
16078         efloor, efrexp, eldexp, eremain, dectoe, etodec, ibmtoe, etoibm,
16079         c4xtoe, etoc4x, uditoe, ditoe, etoudi, etodi, esqrt, etens,
16080         emtens, make_nan): Const-ify.
16081         (TFbignan, TFlittlenan, XFbignan, XFlittlenan, DFbignan,
16082         DFlittlenan, SFbignan, SFlittlenan): Make static and const-ify.
16083
16084 2002-01-02  Joseph S. Myers  <jsm28@cam.ac.uk>
16085
16086         * config.gcc (ia64-*-*): Set extra_headers.
16087         (alpha*-dec-osf*): Likewise.  Don't use alpha/t-osf.
16088         * config/alpha/t-osf: Remove.
16089         * config/ia64/t-ia64 (EXTRA_HEADERS): Remove.
16090
16091 2002-01-02  David Edelsohn  <edelsohn@gnu.org>
16092
16093         * config/rs6000/t-aix43: Revert previous change.
16094
16095 2002-01-02  Jason Merrill  <jason@redhat.com>
16096
16097         * c-decl.c (c_expand_body): Call outlining_inline_function when
16098         emitting an inline function out of line.
16099
16100 2002-01-02  Richard Henderson  <rth@redhat.com>
16101
16102         * dwarf2out.c (limbo_die_node): Add created_for member.
16103         (new_die): New argument created_for.  Update all callers.
16104         (mark_limbo_die_list): New.
16105         (dwarf2out_init): Register limbo_die_list as a root.
16106         (dwarf2out_finish): Force insert limbo dies into their function
16107         context.
16108
16109 2002-01-02  Nathan Sidwell  <nathan@codesourcery.com>
16110
16111         PR c++/5089
16112         * doc/invoke.texi (-Wold-style-cast): Only warn about non-void casts.
16113
16114 2002-01-02  Kazu Hirata  <kazu@hxi.com>
16115
16116         * config/h8300/fixunssfsi.c: Update copyright.
16117         Fix comment typos.
16118         Fix formatting.
16119         * config/h8300/h8300.c: Update copyright.
16120         Eliminate warnings.
16121
16122 2002-01-02  Kazu Hirata  <kazu@hxi.com>
16123
16124         * config/romp/romp.c: Fix comment formatting.
16125         * config/romp/romp.h: Likewise.
16126         * config/romp/romp.md: Likewise.
16127         * config/s390/s390.c: Likewise.
16128         * config/stormy16/stormy16.c: Likewise.
16129         * config/stormy16/stormy16.h: Likewise.
16130
16131 2002-01-02  Alexandre Oliva  <aoliva@redhat.com>
16132
16133         * c-common.h (genrtl_expr_stmt_value): Declare.
16134         * c-semantics.c (genrtl_goto_stmt): Redirect to...
16135         (genrtl_goto_stmt_value): ... this new function.  Pass new
16136         argument down to expand_expr_stmt_value, taking
16137         TREE_ADDRESSABLE into account.
16138         * c-common.c (c_expand_expr): Mark the last EXPR_STMT of a
16139         STMT_EXPR as addressable, i.e., one whose result we want.
16140         * expr.c (expand_expr): Don't save expression statement value
16141         of labeled_blocks or loop_exprs.
16142         * stmt.c (expand_expr_stmt): Redirect to...
16143         (expand_expr_stmt_value): ... this new function.  Use new
16144         argument to tell whether to save expression value.
16145         (expand_end_stmt_expr): Reset last_expr_type and
16146         last_expr_value if we don't have either.
16147         * tree-inline.c (declare_return_variable): Mark its use
16148         statement as addressable.
16149         * tree.h: Document new use of TREE_ADDRESSABLE.
16150         (expand_expr_stmt_value): Declare.
16151
16152 2002-01-01  Tom Rix  <trix@redhat.com>
16153
16154         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Fix for use by
16155         rs6000_emit_allocate_stack.
16156
16157 2002-01-01  Joseph S. Myers  <jsm28@cam.ac.uk>
16158
16159         * configure.in: Prepend ${srcdir}/config/${cpu_type}/ instead of
16160         ${srcdir}/ginclude/ to every entry in extra_headers.
16161         * configure: Regenerate.
16162         * ginclude/math-3300.h: Rename to config/m68k/math-3300.h.
16163         * ginclude/math-68881.h: Rename to config/m68k/math-68881.h.
16164         * ginclude/ppc-asm.h: Rename to config/rs6000/ppc-asm.h.
16165         * ginclude/proto.h: Rename to config/convex/proto.h.
16166
16167 Tue Jan  1 17:12:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
16168
16169         * attribs.c (handle_vector_size_attribute): Use host_integerp
16170         and tree_int_cst; remove warnings.
16171         * caller-save.c (insert_restore): Add cast to get rid of warning.
16172         (insert_save): Likewise.
16173         * emit-rtl.c (adjust_address_1, offset_address): Likewise.
16174         * regmove.c (find_matches): Add temporary var to kill a warning.
16175
16176 2002-01-01  Douglas B Rupp  <rupp@gnat.com>
16177
16178         * config/alpha/vms.h (DWARF2_UNWIND_INFO, EH_RETURN_HANDLER_RTX,
16179         LINK_EH_SPEC, MD_FALLBACK_FRAME_STATE_FOR): Define.
16180         * config/alpha/t-vms (EXTRA_PARTS): Add vms-dwarf2eh.o
16181         (vms-dwarf2eh.o): Add Makefile rule.
16182         * config/alpha/vms-ld.c (main): Handle vms-dwarf2eh.o.
16183         * config/alpha/vms-dwarf2eh.asm: New file.
16184
16185         * gcc.c (delete_if_ordinary): Delete all versions.
16186
16187 2002-01-01  Hans-Peter Nilsson  <hp@bitrange.com>
16188
16189         * config/mmix/mmix.md: Update FIXME to not mention
16190         define_constants.
16191         (MMIX_rJ_REGNUM): New define_constants constant.
16192         ("movqi", "movsi", "movdi", "*movdicc_real_foldable",
16193         "*movdicc_real"): Adjust contraints formatting.
16194         ("*bCC_foldable"): Add %+ for P in output format and delete FIXME
16195         for branch prediction.
16196         ("*bCC", "*bCC_inverted_foldable", "*bCC_inverted"): Add %+ in
16197         output template.
16198         ("*call_real", "*call_value_real", "nonlocal_goto_receiver",
16199         "*nonlocal_goto_receiver_expanded"): Use MMIX_rJ_REGNUM instead of
16200         number.  Delete related FIXMEs.
16201         * config/mmix/mmix.h (MMIX_INCOMING_RETURN_ADDRESS_REGNUM): Change
16202         from number to MMIX_rJ_REGNUM.
16203         (TARGET_MASK_BRANCH_PREDICT): New.
16204         (TARGET_DEFAULT): Change to TARGET_MASK_BRANCH_PREDICT.
16205         (TARGET_SWITCHES): Update comment.  Correct -mno-toplevel-symbols
16206         value.  Add -mbranch-predict and -mno-branch-predict.
16207         (TARGET_VERSION): Drop date.
16208         (ADDITIONAL_REGISTER_NAMES): Use MMIX_rJ_REGNUM, not number.
16209         * config/mmix/mmix.c (mmix_encode_section_info): Correct condition
16210         for finding out global symbols.
16211         (mmix_asm_output_labelref): Revert condition for global symbol.
16212         (mmix_print_operand): <case '+'>: Emit P for a likely branch.
16213         (mmix_print_operand_punct_valid_p): A '+' is valid.
16214
16215 See ChangeLog.6 for earlier changes.